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-rw-r--r--src/plugins/abf/test/test_abf.py344
-rw-r--r--src/plugins/acl/test/test_acl_plugin.py1519
-rw-r--r--src/plugins/acl/test/test_acl_plugin_conns.py411
-rw-r--r--src/plugins/acl/test/test_acl_plugin_l2l3.py871
-rw-r--r--src/plugins/acl/test/test_acl_plugin_macip.py1295
-rw-r--r--src/plugins/acl/test/test_classify_l2_acl.py689
-rw-r--r--src/plugins/cdp/test/test_cdp.py171
-rw-r--r--src/plugins/flowprobe/test/test_flowprobe.py1082
-rw-r--r--src/plugins/gbp/test/test_gbp.py5425
-rw-r--r--src/plugins/gtpu/test/test_gtpu.py393
-rw-r--r--src/plugins/igmp/test/test_igmp.py834
-rw-r--r--src/plugins/igmp/test/vpp_igmp.py75
-rw-r--r--src/plugins/l3xc/test/test_l3xc.py153
-rw-r--r--src/plugins/lb/test/test_lb.py502
-rw-r--r--src/plugins/lb/test/test_lb_api.py76
-rw-r--r--src/plugins/lb/test/vpp_lb.py84
-rw-r--r--src/plugins/mactime/test/test_mactime.py155
-rw-r--r--src/plugins/map/test/test_map.py437
-rw-r--r--src/plugins/memif/test/test_memif.py275
-rw-r--r--src/plugins/memif/test/vpp_memif.py155
-rw-r--r--src/plugins/nat/test/test_ipsec_nat.py271
-rw-r--r--src/plugins/nat/test/test_nat.py9575
-rw-r--r--src/plugins/pppoe/test/test_pppoe.py606
-rw-r--r--src/plugins/pppoe/test/vpp_pppoe_interface.py39
-rw-r--r--src/plugins/quic/test/test_quic.py248
-rw-r--r--src/plugins/sctp/test/test_sctp.py92
-rw-r--r--src/plugins/srv6-ad/test/test_srv6_ad.py811
-rw-r--r--src/plugins/srv6-ad/test/vpp_srv6.py222
-rw-r--r--src/plugins/srv6-am/test/test_srv6.py2141
l---------src/plugins/srv6-am/test/vpp_srv6.py1
-rwxr-xr-xsrc/plugins/srv6-as/test/test_srv6_as.py889
l---------src/plugins/srv6-as/test/vpp_srv6.py1
-rw-r--r--src/plugins/svs/test/test_svs.py322
33 files changed, 30164 insertions, 0 deletions
diff --git a/src/plugins/abf/test/test_abf.py b/src/plugins/abf/test/test_abf.py
new file mode 100644
index 00000000000..221a793fed3
--- /dev/null
+++ b/src/plugins/abf/test/test_abf.py
@@ -0,0 +1,344 @@
+#!/usr/bin/env python
+
+from socket import inet_pton, inet_ntop, AF_INET, AF_INET6
+import unittest
+
+from framework import VppTestCase, VppTestRunner
+from vpp_ip import DpoProto
+from vpp_ip_route import VppIpRoute, VppRoutePath, VppMplsLabel, \
+ VppIpTable, FibPathProto
+
+from scapy.packet import Raw
+from scapy.layers.l2 import Ether
+from scapy.layers.inet import IP, UDP
+from scapy.layers.inet6 import IPv6
+
+from vpp_object import VppObject
+
+NUM_PKTS = 67
+
+
+def find_abf_policy(test, id):
+ policies = test.vapi.abf_policy_dump()
+ for p in policies:
+ if id == p.policy.policy_id:
+ return True
+ return False
+
+
+def find_abf_itf_attach(test, id, sw_if_index):
+ attachs = test.vapi.abf_itf_attach_dump()
+ for a in attachs:
+ if id == a.attach.policy_id and \
+ sw_if_index == a.attach.sw_if_index:
+ return True
+ return False
+
+
+class VppAbfPolicy(VppObject):
+
+ def __init__(self,
+ test,
+ policy_id,
+ acl,
+ paths):
+ self._test = test
+ self.policy_id = policy_id
+ self.acl = acl
+ self.paths = paths
+ self.encoded_paths = []
+ for path in self.paths:
+ self.encoded_paths.append(path.encode())
+
+ def add_vpp_config(self):
+ self._test.vapi.abf_policy_add_del(
+ 1,
+ {'policy_id': self.policy_id,
+ 'acl_index': self.acl.acl_index,
+ 'n_paths': len(self.paths),
+ 'paths': self.encoded_paths})
+ self._test.registry.register(self, self._test.logger)
+
+ def remove_vpp_config(self):
+ self._test.vapi.abf_policy_add_del(
+ 0,
+ {'policy_id': self.policy_id,
+ 'acl_index': self.acl.acl_index,
+ 'n_paths': len(self.paths),
+ 'paths': self.encoded_paths})
+
+ def query_vpp_config(self):
+ return find_abf_policy(self._test, self.policy_id)
+
+ def object_id(self):
+ return ("abf-policy-%d" % self.policy_id)
+
+
+class VppAbfAttach(VppObject):
+
+ def __init__(self,
+ test,
+ policy_id,
+ sw_if_index,
+ priority,
+ is_ipv6=0):
+ self._test = test
+ self.policy_id = policy_id
+ self.sw_if_index = sw_if_index
+ self.priority = priority
+ self.is_ipv6 = is_ipv6
+
+ def add_vpp_config(self):
+ self._test.vapi.abf_itf_attach_add_del(
+ 1,
+ {'policy_id': self.policy_id,
+ 'sw_if_index': self.sw_if_index,
+ 'priority': self.priority,
+ 'is_ipv6': self.is_ipv6})
+ self._test.registry.register(self, self._test.logger)
+
+ def remove_vpp_config(self):
+ self._test.vapi.abf_itf_attach_add_del(
+ 0,
+ {'policy_id': self.policy_id,
+ 'sw_if_index': self.sw_if_index,
+ 'priority': self.priority,
+ 'is_ipv6': self.is_ipv6})
+
+ def query_vpp_config(self):
+ return find_abf_itf_attach(self._test,
+ self.policy_id,
+ self.sw_if_index)
+
+ def object_id(self):
+ return ("abf-attach-%d-%d" % (self.policy_id, self.sw_if_index))
+
+
+class TestAbf(VppTestCase):
+ """ ABF Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestAbf, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestAbf, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestAbf, self).setUp()
+
+ self.create_pg_interfaces(range(5))
+
+ for i in self.pg_interfaces[:4]:
+ i.admin_up()
+ i.config_ip4()
+ i.resolve_arp()
+ i.config_ip6()
+ i.resolve_ndp()
+
+ def tearDown(self):
+ for i in self.pg_interfaces:
+ i.unconfig_ip4()
+ i.unconfig_ip6()
+ i.ip6_disable()
+ i.admin_down()
+ super(TestAbf, self).tearDown()
+
+ def test_abf4(self):
+ """ IPv4 ACL Based Forwarding
+ """
+
+ #
+ # We are not testing the various matching capabilities
+ # of ACLs, that's done elsewhere. Here ware are testing
+ # the application of ACLs to a forwarding path to achieve
+ # ABF
+ # So we construct just a few ACLs to ensure the ABF policies
+ # are correctly constructed and used. And a few path types
+ # to test the API path decoding.
+ #
+
+ #
+ # Rule 1
+ #
+ rule_1 = ({'is_permit': 1,
+ 'is_ipv6': 0,
+ 'proto': 17,
+ 'srcport_or_icmptype_first': 1234,
+ 'srcport_or_icmptype_last': 1234,
+ 'src_ip_prefix_len': 32,
+ 'src_ip_addr': inet_pton(AF_INET, "1.1.1.1"),
+ 'dstport_or_icmpcode_first': 1234,
+ 'dstport_or_icmpcode_last': 1234,
+ 'dst_ip_prefix_len': 32,
/*
 *------------------------------------------------------------------
 * vlib_api.c VLIB API implementation
 *
 * Copyright (c) 2009 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *------------------------------------------------------------------
 */

#include <fcntl.h>
#include <pthread.h>
#include <vppinfra/vec.h>
#include <vppinfra/hash.h>
#include <vppinfra/pool.h>
#include <vppinfra/format.h>
#include <vppinfra/byte_order.h>
#include <vppinfra/elog.h>
#include <vlib/vlib.h>
#include <vlib/unix/unix.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>

/**
 * @file
 * @brief Binary API messaging via shared memory
 * Low-level, primary provisioning interface
 */
/*? %%clicmd:group_label Binary API CLI %% ?*/
/*? %%syscfg:group_label Binary API configuration %% ?*/

#define TRACE_VLIB_MEMORY_QUEUE 0

#include <vlibmemory/vl_memory_msg_enum.h>	/* enumerate all vlib messages */

#define vl_typedefs		/* define message structures */
#include <vlibmemory/vl_memory_api_h.h>
#undef vl_typedefs

/* instantiate all the print functions we know about */
#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
#define vl_printfun
#include <vlibmemory/vl_memory_api_h.h>
#undef vl_printfun

static inline void *
vl_api_trace_plugin_msg_ids_t_print (vl_api_trace_plugin_msg_ids_t * a,
				     void *handle)
{
  vl_print (handle, "vl_api_trace_plugin_msg_ids: %s first %u last %u\n",
	    a->plugin_name,
	    clib_host_to_net_u16 (a->first_msg_id),
	    clib_host_to_net_u16 (a->last_msg_id));
  return handle;
}

/* instantiate all the endian swap functions we know about */
#define vl_endianfun
#include <vlibmemory/vl_memory_api_h.h>
#undef vl_endianfun

static void
vl_api_get_first_msg_id_t_handler (vl_api_get_first_msg_id_t * mp)
{
  vl_api_get_first_msg_id_reply_t *rmp;
  vl_api_registration_t *regp;
  uword *p;
  api_main_t *am = vlibapi_get_main ();
  vl_api_msg_range_t *rp;
  u8 name[64];
  u16 first_msg_id = ~0;
  int rv = -7;			/* VNET_API_ERROR_INVALID_VALUE */

  regp = vl_api_client_index_to_registration (mp->client_index);
  if (!regp)
    return;

  if (am->msg_range_by_name == 0)
    goto out;
  strncpy ((char *) name, (char *) mp->name, ARRAY_LEN (name));
  name[ARRAY_LEN (name) - 1] = '\0';
  p = hash_get_mem (am->msg_range_by_name, name);
  if (p == 0)
    goto out;

  rp = vec_elt_at_index (am->msg_ranges, p[0]);
  first_msg_id = rp->first_msg_id;
  rv = 0;

out:
  rmp = vl_msg_api_alloc (sizeof (*rmp));
  rmp->_vl_msg_id = ntohs (VL_API_GET_FIRST_MSG_ID_REPLY);
  rmp->context = mp->context;
  rmp->retval = ntohl (rv);
  rmp->first_msg_id = ntohs (first_msg_id);
  vl_api_send_msg (regp, (u8 *) rmp);
}

void
vl_api_api_versions_t_handler (vl_api_api_versions_t * mp)
{
  api_main_t *am = vlibapi_get_main ();
  vl_api_api_versions_reply_t *rmp;
  vl_api_registration_t *reg;
  u32 nmsg = vec_len (am->api_version_list);
  int msg_size = sizeof (*rmp) + sizeof (rmp->api_versions[0]) * nmsg;
  int i;

  reg = vl_api_client_index_to_registration (mp->client_index);
  if (!reg)
    return;

  rmp = vl_msg_api_alloc (msg_size);
  clib_memset (rmp, 0, msg_size);
  rmp->_vl_msg_id = ntohs (VL_API_API_VERSIONS_REPLY);

  /* fill in the message */
  rmp->context = mp->context;
  rmp->count = htonl (nmsg);

  for (i = 0; i < nmsg; ++i)
    {
      api_version_t *vl = &am->api_version_list[i];
      rmp->api_versions[i].major = htonl (vl->major);
      rmp->api_versions[i].minor = htonl (vl->minor);
      rmp->api_versions[i].patch = htonl (vl->patch);
      strncpy ((char *) rmp->api_versions[i].name, vl->name,
	       ARRAY_LEN (rmp->api_versions[i].name));
      rmp->api_versions[i].name[ARRAY_LEN (rmp->api_versions[i].name) - 1] =
	'\0';
    }

  vl_api_send_msg (reg, (u8 *) rmp);
}

#define foreach_vlib_api_msg				\
_(GET_FIRST_MSG_ID, get_first_msg_id)			\
_(API_VERSIONS, api_versions)

/*
 * vl_api_init
 */
static int
vlib_api_init (void)
{
  vl_msg_api_msg_config_t cfg;
  vl_msg_api_msg_config_t *c = &cfg;

  clib_memset (c, 0, sizeof (*c));

#define _(N,n) do {                                             \
    c->id = VL_API_##N;                                         \
    c->name = #n;                                               \
    c->handler = vl_api_##n##_t_handler;                        \
    c->cleanup = vl_noop_handler;                               \
    c->endian = vl_api_##n##_t_endian;                          \
    c->print = vl_api_##n##_t_print;                            \
    c->size = sizeof(vl_api_##n##_t);                           \
    c->traced = 1; /* trace, so these msgs print */             \
    c->replay = 0; /* don't replay client create/delete msgs */ \
    c->message_bounce = 0; /* don't bounce this message */	\
    vl_msg_api_config(c);} while (0);

  foreach_vlib_api_msg;
#undef _

  return 0;
}

u64 vector_rate_histogram[SLEEP_N_BUCKETS];

/*
 * Callback to send ourselves a plugin numbering-space trace msg
 */
static void
send_one_plugin_msg_ids_msg (u8 * name, u16 first_msg_id, u16 last_msg_id)
{
  vl_api_trace_plugin_msg_ids_t *mp;
  api_main_t *am = vlibapi_get_main ();
  vl_shmem_hdr_t *shmem_hdr = am->shmem_hdr;
  svm_queue_t *q;

  mp = vl_msg_api_alloc_as_if_client (sizeof (*mp));
  clib_memset (mp, 0, sizeof (*mp));

  mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_TRACE_PLUGIN_MSG_IDS);
  strncpy ((char *) mp->plugin_name, (char *) name,
	   sizeof (mp->plugin_name) - 1);
  mp->first_msg_id = clib_host_to_net_u16 (first_msg_id);
  mp->last_msg_id = clib_host_to_net_u16 (last_msg_id);

  q = shmem_hdr->vl_input_queue;

  vl_msg_api_send_shmem (q, (u8 *) & mp);
}

void
vl_api_save_msg_table (void)
{
  u8 *serialized_message_table;
  api_main_t *am = vlibapi_get_main ();
  u8 *chroot_file;
  int fd, rv;

  /*
   * Snapshoot the api message table.
   */
  if (strstr ((char *) am->save_msg_table_filename, "..")
      || index ((char *) am->save_msg_table_filename, '/'))
    {
      clib_warning ("illegal save-message-table filename '%s'",
		    am->save_msg_table_filename);
      return;
    }

  chroot_file = format (0, "/tmp/%s%c", am->save_msg_table_filename, 0);

  fd = creat ((char *) chroot_file, 0644);

  if (fd < 0)
    {
      clib_unix_warning ("creat");
      return;
    }

  serialized_message_table = vl_api_serialize_message_table (am, 0);

  rv = write (fd, serialized_message_table,
	      vec_len (serialized_message_table));

  if (rv != vec_len (serialized_message_table))
    clib_unix_warning ("write");

  rv = close (fd);
  if (rv < 0)
    clib_unix_warning ("close");

  vec_free (chroot_file);
  vec_free (serialized_message_table);
}

clib_error_t *vat_builtin_main_init (vlib_main_t * vm) __attribute__ ((weak));
clib_error_t *
vat_builtin_main_init (vlib_main_t * vm)
{
  return 0;
}

static uword
vl_api_clnt_process (vlib_main_t * vm, vlib_node_runtime_t * node,
		     vlib_frame_t * f)
{
  vlib_global_main_t *vgm = vlib_get_global_main ();
  int private_segment_rotor = 0, i, rv;
  vl_socket_args_for_process_t *a;
  vl_shmem_hdr_t *shm;
  svm_queue_t *q;
  clib_error_t *e;
  api_main_t *am = vlibapi_get_main ();
  f64 dead_client_scan_time;
  f64 sleep_time, start_time;
  f64 vector_rate;
  clib_error_t *error;
  uword event_type;
  uword *event_data = 0;
  f64 now;

  if ((error = vl_sock_api_init (vm)))
    {
      clib_error_report (error);
      clib_warning ("socksvr_api_init failed, quitting...");
      return 0;
    }

  if ((rv = vlib_api_init ()) < 0)
    {
      clib_warning ("vlib_api_init returned %d, quitting...", rv);
      return 0;
    }

  shm = am->shmem_hdr;
  q = shm->vl_input_queue;

  e = vlib_call_init_exit_functions (vm, &vgm->api_init_function_registrations,
				     1 /* call_once */, 1 /* is_global */);
  if (e)
    clib_error_report (e);

  e = vat_builtin_main_init (vm);
  if (e)
    clib_error_report (e);

  sleep_time = 10.0;
  dead_client_scan_time = vlib_time_now (vm) + 10.0;

  /*
   * Send plugin message range messages for each plugin we loaded
   */
  for (i = 0; i < vec_len (am->msg_ranges); i++)
    {
      vl_api_msg_range_t *rp = am->msg_ranges + i;
      send_one_plugin_msg_ids_msg (rp->name, rp->first_msg_id,
				   rp->last_msg_id);
    }

  /*
   * Save the api message table snapshot, if configured
   */
  if (am->save_msg_table_filename)
    vl_api_save_msg_table ();

  /* $$$ pay attention to frame size, control CPU usage */
  while (1)
    {
      /*
       * There's a reason for checking the queue before
       * sleeping. If the vlib application crashes, it's entirely
       * possible for a client to enqueue a connect request
       * during the process restart interval.
       *
       * Unless some force of physics causes the new incarnation
       * of the application to process the request, the client will
       * sit and wait for Godot...
       */
      vector_rate = (f64) vlib_last_vectors_per_main_loop (vm);
      start_time = vlib_time_now (vm);
      while (1)
	{
	  if (vl_mem_api_handle_rpc (vm, node)
	      || vl_mem_api_handle_msg_main (vm, node))
	    {
	      vm->api_queue_nonempty = 0;
	      VL_MEM_API_LOG_Q_LEN ("q-underflow: len %d", 0);
	      sleep_time = 20.0;
	      break;
	    }

	  /* Allow no more than 10us without a pause */
	  if (vlib_time_now (vm) > start_time + 10e-6)
	    {
	      int index = SLEEP_400_US;
	      if (vector_rate > 40.0)
		sleep_time = 400e-6;
	      else if (vector_rate > 20.0)
		{
		  index = SLEEP_200_US;
		  sleep_time = 200e-6;
		}
	      else if (vector_rate >= 1.0)
		{
		  index = SLEEP_100_US;
		  sleep_time = 100e-6;
		}
	      else
		{
		  index = SLEEP_10_US;
		  sleep_time = 10e-6;
		}
	      vector_rate_histogram[index] += 1;
	      break;
	    }
	}

      /*
       * see if we have any private api shared-memory segments
       * If so, push required context variables, and process
       * a message.
       */
      if (PREDICT_FALSE (vec_len (am->vlib_private_rps)))
	{
	  if (private_segment_rotor >= vec_len (am->vlib_private_rps))
	    private_segment_rotor = 0;
	  vl_mem_api_handle_msg_private (vm, node, private_segment_rotor++);
	}

      vlib_process_wait_for_event_or_clock (vm, sleep_time);
      vec_reset_length (event_data);
      event_type = vlib_process_get_events (vm, &event_data);
      now = vlib_time_now (vm);

      switch (event_type)
	{
	case QUEUE_SIGNAL_EVENT:
	  vm->queue_signal_pending = 0;
	  VL_MEM_API_LOG_Q_LEN ("q-awake: len %d", q->cursize);

	  break;
	case SOCKET_READ_EVENT:
	  for (i = 0; i < vec_len (event_data); i++)
	    {
	      vl_api_registration_t *regp;

	      a = pool_elt_at_index (socket_main.process_args, event_data[i]);
	      regp = vl_socket_get_registration (a->reg_index);
	      if (regp)
		{
		  vl_socket_process_api_msg (regp, (i8 *) a->data);
		  a = pool_elt_at_index (socket_main.process_args,
					 event_data[i]);
		}
	      vec_free (a->data);
	      pool_put (socket_main.process_args, a);
	    }
	  break;

	  /* Timeout... */
	case -1:
	  break;

	default:
	  clib_warning ("unknown event type %d", event_type);
	  break;
	}

      if (now > dead_client_scan_time)
	{
	  vl_mem_api_dead_client_scan (am, shm, now);
	  dead_client_scan_time = vlib_time_now (vm) + 10.0;
	}
    }

  return 0;
}
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (vl_api_clnt_node) =
{
  .function = vl_api_clnt_process,
  .type = VLIB_NODE_TYPE_PROCESS,
  .name = "api-rx-from-ring",
  .state = VLIB_NODE_STATE_DISABLED,
  .process_log2_n_stack_bytes = 18,
};
/* *INDENT-ON* */

void
vl_mem_api_enable_disable (vlib_main_t * vm, int enable)
{
  vlib_node_set_state (vm, vl_api_clnt_node.index,
		       (enable
			? VLIB_NODE_STATE_POLLING
			: VLIB_NODE_STATE_DISABLED));
}

static uword
api_rx_from_node (vlib_main_t * vm,
		  vlib_node_runtime_t * node, vlib_frame_t * frame)
{
  uword n_packets = frame->n_vectors;
  uword n_left_from;
  u32 *from;
  static u8 *long_msg;

  vec_validate (long_msg, 4095);
  n_left_from = frame->n_vectors;
  from = vlib_frame_vector_args (frame);

  while (n_left_from > 0)
    {
      u32 bi0;
      vlib_buffer_t *b0;
      void *msg;
      uword msg_len;

      bi0 = from[0];
      b0 = vlib_get_buffer (vm, bi0);
      from += 1;
      n_left_from -= 1;

      msg = b0->data + b0->current_data;
      msg_len = b0->current_length;
      if (b0->flags & VLIB_BUFFER_NEXT_PRESENT)
	{
	  ASSERT (long_msg != 0);
	  _vec_len (long_msg) = 0;
	  vec_add (long_msg, msg, msg_len);
	  while (b0->flags & VLIB_BUFFER_NEXT_PRESENT)
	    {
	      b0 = vlib_get_buffer (vm, b0->next_buffer);
	      msg = b0->data + b0->current_data;
	      msg_len = b0->current_length;
	      vec_add (long_msg, msg, msg_len);
	    }
	  msg = long_msg;
	}
      vl_msg_api_handler_no_trace_no_free (msg);
    }

  /* Free what we've been given. */
  vlib_buffer_free (vm, vlib_frame_vector_args (frame), n_packets);

  return n_packets;
}

/* *INDENT-OFF* */
VLIB_REGISTER_NODE (api_rx_from_node_node,static) = {
    .function = api_rx_from_node,
    .type = VLIB_NODE_TYPE_INTERNAL,
    .vector_size = 4,
    .name = "api-rx-from-node",
};
/* *INDENT-ON* */

static void
vl_api_rpc_call_t_handler (vl_api_rpc_call_t * mp)
{
  vl_api_rpc_call_reply_t *rmp;
  int (*fp) (void *);
  i32 rv = 0;
  vlib_main_t *vm = vlib_get_main ();

  if (mp->function == 0)
    {
      rv = -1;
      clib_warning ("rpc NULL function pointer");
    }

  else
    {
      if (mp->need_barrier_sync)
	vlib_worker_thread_barrier_sync (vm);

      fp = uword_to_pointer (mp->function, int (*)(void *));
      rv = fp (mp->data);

      if (mp->need_barrier_sync)
	vlib_worker_thread_barrier_release (vm);
    }

  if (mp->send_reply)
    {
      svm_queue_t *q = vl_api_client_index_to_input_queue (mp->client_index);
      if (q)
	{
	  rmp = vl_msg_api_alloc_as_if_client (sizeof (*rmp));
	  rmp->_vl_msg_id = ntohs (VL_API_RPC_CALL_REPLY);
	  rmp->context = mp->context;
	  rmp->retval = rv;
	  vl_msg_api_send_shmem (q, (u8 *) & rmp);
	}
    }
  if (mp->multicast)
    {
      clib_warning ("multicast not yet implemented...");
    }
}

static void
vl_api_rpc_call_reply_t_handler (vl_api_rpc_call_reply_t * mp)
{
  clib_warning ("unimplemented");
}

void
vl_api_send_pending_rpc_requests (vlib_main_t * vm)
{
  vlib_main_t *vm_global = vlib_get_first_main ();

  ASSERT (vm != vm_global);

  clib_spinlock_lock_if_init (&vm_global->pending_rpc_lock);
  vec_append (vm_global->pending_rpc_requests, vm->pending_rpc_requests);
  vec_reset_length (vm->pending_rpc_requests);
  clib_spinlock_unlock_if_init (&vm_global->pending_rpc_lock);
}

always_inline void
vl_api_rpc_call_main_thread_inline (void *fp, u8 * data, u32 data_length,
				    u8 force_rpc)
{
  vl_api_rpc_call_t *mp;
  vlib_main_t *vm_global = vlib_get_first_main ();
  vlib_main_t *vm = vlib_get_main ();

  /* Main thread and not a forced RPC: call the function directly */
  if ((force_rpc == 0) && (vlib_get_thread_index () == 0))
    {
      void (*call_fp) (void *);

      vlib_worker_thread_barrier_sync (vm);

      call_fp = fp;
      call_fp (data);

      vlib_worker_thread_barrier_release (vm);
      return;
    }

  /* Otherwise, actually do an RPC */
  mp = vl_msg_api_alloc_as_if_client (sizeof (*mp) + data_length);

  clib_memset (mp, 0, sizeof (*mp));
  clib_memcpy_fast (mp->data, data, data_length);
  mp->_vl_msg_id = ntohs (VL_API_RPC_CALL);
  mp->function = pointer_to_uword (fp);
  mp->need_barrier_sync = 1;

  /* Add to the pending vector. Thread 0 requires locking. */
  if (vm == vm_global)
    clib_spinlock_lock_if_init (&vm_global->pending_rpc_lock);
  vec_add1 (vm->pending_rpc_requests, (uword) mp);
  if (vm == vm_global)
    clib_spinlock_unlock_if_init (&vm_global->pending_rpc_lock);
}

/*
 * Check if called from worker threads.
 * If so, make rpc call of fp through shmem.
 * Otherwise, call fp directly
 */
void
vl_api_rpc_call_main_thread (void *fp, u8 * data, u32 data_length)
{
  vl_api_rpc_call_main_thread_inline (fp, data, data_length,	/*force_rpc */
				      0);
}

/*
 * Always make rpc call of fp through shmem, useful for calling from threads
 * not setup as worker threads, such as DPDK callback thread
 */
void
vl_api_force_rpc_call_main_thread (void *fp, u8 * data, u32 data_length)
{
  vl_api_rpc_call_main_thread_inline (fp, data, data_length,	/*force_rpc */
				      1);
}

static void
vl_api_trace_plugin_msg_ids_t_handler (vl_api_trace_plugin_msg_ids_t * mp)
{
  api_main_t *am = vlibapi_get_main ();
  vl_api_msg_range_t *rp;
  uword *p;

  /* Noop (except for tracing) during normal operation */
  if (am->replay_in_progress == 0)
    return;

  p = hash_get_mem (am->msg_range_by_name, mp->plugin_name);
  if (p == 0)
    {
      clib_warning ("WARNING: traced plugin '%s' not in current image",
		    mp->plugin_name);
      return;
    }

  rp = vec_elt_at_index (am->msg_ranges, p[0]);
  if (rp->first_msg_id != clib_net_to_host_u16 (mp->first_msg_id))
    {
      clib_warning ("WARNING: traced plugin '%s' first message id %d not %d",
		    mp->plugin_name, clib_net_to_host_u16 (mp->first_msg_id),
		    rp->first_msg_id);
    }

  if (rp->last_msg_id != clib_net_to_host_u16 (mp->last_msg_id))
    {
      clib_warning ("WARNING: traced plugin '%s' last message id %d not %d",
		    mp->plugin_name, clib_net_to_host_u16 (mp->last_msg_id),
		    rp->last_msg_id);
    }
}

#define foreach_rpc_api_msg                     \
_(RPC_CALL,rpc_call)                            \
_(RPC_CALL_REPLY,rpc_call_reply)

#define foreach_plugin_trace_msg		\
_(TRACE_PLUGIN_MSG_IDS,trace_plugin_msg_ids)

/*
 * Set the rpc callback at our earliest possible convenience.
 * This avoids ordering issues between thread_init() -> start_workers and
 * an init function which we could define here. If we ever intend to use
 * vlib all by itself, we can't create a link-time dependency on
 * an init function here and a typical "call foo_init first"
 * guitar lick.
 */

extern void *rpc_call_main_thread_cb_fn;

static clib_error_t *
rpc_api_hookup (vlib_main_t * vm)
{
  api_main_t *am = vlibapi_get_main ();
#define _(N,n)                                                  \
    vl_msg_api_set_handlers(VL_API_##N, #n,                     \
                           vl_api_##n##_t_handler,              \
                           vl_noop_handler,                     \
                           vl_noop_handler,			\
                           vl_api_##n##_t_print,                \
                           sizeof(vl_api_##n##_t), 0 /* do not trace */);
  foreach_rpc_api_msg;
#undef _

#define _(N,n)                                                  \
    vl_msg_api_set_handlers(VL_API_##N, #n,                     \
                           vl_api_##n##_t_handler,              \
                           vl_noop_handler,                     \
                           vl_noop_handler,			\
                           vl_api_##n##_t_print,                \
                           sizeof(vl_api_##n##_t), 1 /* do trace */);
  foreach_plugin_trace_msg;
#undef _

  /* No reason to halt the parade to create a trace record... */
  am->is_mp_safe[VL_API_TRACE_PLUGIN_MSG_IDS] = 1;
  rpc_call_main_thread_cb_fn = vl_api_rpc_call_main_thread;
  return 0;
}

VLIB_API_INIT_FUNCTION (rpc_api_hookup);

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */
_rule(self.IPV6, self.PERMIT, self.PORTS_RANGE,
+ self.proto[self.IP][self.TCP]))
+ # deny ip any any in the end
+ rules.append(self.create_rule(self.IPV6, self.DENY, self.PORTS_ALL, 0))
+
+ # Apply rules
+ self.apply_rules(rules, b"permit ip6 tcp")
+
+ # Traffic should still pass
+ self.run_verify_test(self.IP, self.IPV6, self.proto[self.IP][self.TCP])
+
+ self.logger.info("ACLP_TEST_FINISH_0109")
+
+ def test_0110_udp_permit_v4(self):
+ """ permit UDPv4 + non-match range
+ """
+ self.logger.info("ACLP_TEST_START_0110")
+
+ # Add an ACL
+ rules = []
+ rules.append(self.create_rule(self.IPV4, self.DENY, self.PORTS_RANGE_2,
+ self.proto[self.IP][self.UDP]))
+ rules.append(self.create_rule(self.IPV4, self.PERMIT, self.PORTS_RANGE,
+ self.proto[self.IP][self.UDP]))
+ # deny ip any any in the end
+ rules.append(self.create_rule(self.IPV4, self.DENY, self.PORTS_ALL, 0))
+
+ # Apply rules
+ self.apply_rules(rules, b"permit ipv4 udp")
+
+ # Traffic should still pass
+ self.run_verify_test(self.IP, self.IPV4, self.proto[self.IP][self.UDP])
+
+ self.logger.info("ACLP_TEST_FINISH_0110")
+
+ def test_0111_udp_permit_v6(self):
+ """ permit UDPv6 + non-match range
+ """
+ self.logger.info("ACLP_TEST_START_0111")
+
+ # Add an ACL
+ rules = []
+ rules.append(self.create_rule(self.IPV6, self.DENY, self.PORTS_RANGE_2,
+ self.proto[self.IP][self.UDP]))
+ rules.append(self.create_rule(self.IPV6, self.PERMIT, self.PORTS_RANGE,
+ self.proto[self.IP][self.UDP]))
+ # deny ip any any in the end
+ rules.append(self.create_rule(self.IPV6, self.DENY, self.PORTS_ALL, 0))
+
+ # Apply rules
+ self.apply_rules(rules, b"permit ip6 udp")
+
+ # Traffic should still pass
+ self.run_verify_test(self.IP, self.IPV6, self.proto[self.IP][self.UDP])
+
+ self.logger.info("ACLP_TEST_FINISH_0111")
+
+ def test_0112_tcp_deny(self):
+ """ deny TCPv4/v6 + non-match range
+ """
+ self.logger.info("ACLP_TEST_START_0112")
+
+ # Add an ACL
+ rules = []
+ rules.append(self.create_rule(self.IPV4, self.PERMIT,
+ self.PORTS_RANGE_2,
+ self.proto[self.IP][self.TCP]))
+ rules.append(self.create_rule(self.IPV6, self.PERMIT,
+ self.PORTS_RANGE_2,
+ self.proto[self.IP][self.TCP]))
+ rules.append(self.create_rule(self.IPV4, self.DENY, self.PORTS_RANGE,
+ self.proto[self.IP][self.TCP]))
+ rules.append(self.create_rule(self.IPV6, self.DENY, self.PORTS_RANGE,
+ self.proto[self.IP][self.TCP]))
+ # permit ip any any in the end
+ rules.append(self.create_rule(self.IPV4, self.PERMIT,
+ self.PORTS_ALL, 0))
+ rules.append(self.create_rule(self.IPV6, self.PERMIT,
+ self.PORTS_ALL, 0))
+
+ # Apply rules
+ self.apply_rules(rules, b"deny ip4/ip6 tcp")
+
+ # Traffic should not pass
+ self.run_verify_negat_test(self.IP, self.IPRANDOM,
+ self.proto[self.IP][self.TCP])
+
+ self.logger.info("ACLP_TEST_FINISH_0112")
+
+ def test_0113_udp_deny(self):
+ """ deny UDPv4/v6 + non-match range
+ """
+ self.logger.info("ACLP_TEST_START_0113")
+
+ # Add an ACL
+ rules = []
+ rules.append(self.create_rule(self.IPV4, self.PERMIT,
+ self.PORTS_RANGE_2,
+ self.proto[self.IP][self.UDP]))
+ rules.append(self.create_rule(self.IPV6, self.PERMIT,
+ self.PORTS_RANGE_2,
+ self.proto[self.IP][self.UDP]))
+ rules.append(self.create_rule(self.IPV4, self.DENY, self.PORTS_RANGE,
+ self.proto[self.IP][self.UDP]))
+ rules.append(self.create_rule(self.IPV6, self.DENY, self.PORTS_RANGE,
+ self.proto[self.IP][self.UDP]))
+ # permit ip any any in the end
+ rules.append(self.create_rule(self.IPV4, self.PERMIT,
+ self.PORTS_ALL, 0))
+ rules.append(self.create_rule(self.IPV6, self.PERMIT,
+ self.PORTS_ALL, 0))
+
+ # Apply rules
+ self.apply_rules(rules, b"deny ip4/ip6 udp")
+
+ # Traffic should not pass
+ self.run_verify_negat_test(self.IP, self.IPRANDOM,
+ self.proto[self.IP][self.UDP])
+
+ self.logger.info("ACLP_TEST_FINISH_0113")
+
+ def test_0300_tcp_permit_v4_etype_aaaa(self):
+ """ permit TCPv4, send 0xAAAA etype
+ """
+ self.logger.info("ACLP_TEST_START_0300")
+
+ # Add an ACL
+ rules = []
+ rules.append(self.create_rule(self.IPV4, self.DENY, self.PORTS_RANGE_2,
+ self.proto[self.IP][self.TCP]))
+ rules.append(self.create_rule(self.IPV4, self.PERMIT, self.PORTS_RANGE,
+ self.proto[self.IP][self.TCP]))
+ # deny ip any any in the end
+ rules.append(self.create_rule(self.IPV4, self.DENY, self.PORTS_ALL, 0))
+
+ # Apply rules
+ self.apply_rules(rules, b"permit ipv4 tcp")
+
+ # Traffic should still pass also for an odd ethertype
+ self.run_verify_test(self.IP, self.IPV4, self.proto[self.IP][self.TCP],
+ 0, False, True, 0xaaaa)
+ self.logger.info("ACLP_TEST_FINISH_0300")
+
+ def test_0305_tcp_permit_v4_etype_blacklist_aaaa(self):
+ """ permit TCPv4, whitelist 0x0BBB ethertype, send 0xAAAA-blocked
+ """
+ self.logger.info("ACLP_TEST_START_0305")
+
+ # Add an ACL
+ rules = []
+ rules.append(self.create_rule(self.IPV4, self.DENY, self.PORTS_RANGE_2,
+ self.proto[self.IP][self.TCP]))
+ rules.append(self.create_rule(self.IPV4, self.PERMIT, self.PORTS_RANGE,
+ self.proto[self.IP][self.TCP]))
+ # deny ip any any in the end
+ rules.append(self.create_rule(self.IPV4, self.DENY, self.PORTS_ALL, 0))
+
+ # Apply rules
+ self.apply_rules(rules, b"permit ipv4 tcp")
+
+ # whitelist the 0xbbbb etype - so the 0xaaaa should be blocked
+ self.etype_whitelist([0xbbb], 1)
+
+ # The oddball ethertype should be blocked
+ self.run_verify_negat_test(self.IP, self.IPV4,
+ self.proto[self.IP][self.TCP],
+ 0, False, 0xaaaa)
+
+ # remove the whitelist
+ self.etype_whitelist([], 0)
+
+ self.logger.info("ACLP_TEST_FINISH_0305")
+
+ def test_0306_tcp_permit_v4_etype_blacklist_aaaa(self):
+ """ permit TCPv4, whitelist 0x0BBB ethertype, send 0x0BBB - pass
+ """
+ self.logger.info("ACLP_TEST_START_0306")
+
+ # Add an ACL
+ rules = []
+ rules.append(self.create_rule(self.IPV4, self.DENY, self.PORTS_RANGE_2,
+ self.proto[self.IP][self.TCP]))
+ rules.append(self.create_rule(self.IPV4, self.PERMIT, self.PORTS_RANGE,
+ self.proto[self.IP][self.TCP]))
+ # deny ip any any in the end
+ rules.append(self.create_rule(self.IPV4, self.DENY, self.PORTS_ALL, 0))
+
+ # Apply rules
+ self.apply_rules(rules, b"permit ipv4 tcp")
+
+ # whitelist the 0xbbbb etype - so the 0xaaaa should be blocked
+ self.etype_whitelist([0xbbb], 1)
+
+ # The whitelisted traffic, should pass
+ self.run_verify_test(self.IP, self.IPV4, self.proto[self.IP][self.TCP],
+ 0, False, True, 0x0bbb)
+
+ # remove the whitelist, the previously blocked 0xAAAA should pass now
+ self.etype_whitelist([], 0)
+
+ self.logger.info("ACLP_TEST_FINISH_0306")
+
+ def test_0307_tcp_permit_v4_etype_blacklist_aaaa(self):
+ """ permit TCPv4, whitelist 0x0BBB, remove, send 0xAAAA - pass
+ """
+ self.logger.info("ACLP_TEST_START_0307")
+
+ # Add an ACL
+ rules = []
+ rules.append(self.create_rule(self.IPV4, self.DENY, self.PORTS_RANGE_2,
+ self.proto[self.IP][self.TCP]))
+ rules.append(self.create_rule(self.IPV4, self.PERMIT, self.PORTS_RANGE,
+ self.proto[self.IP][self.TCP]))
+ # deny ip any any in the end
+ rules.append(self.create_rule(self.IPV4, self.DENY, self.PORTS_ALL, 0))
+
+ # Apply rules
+ self.apply_rules(rules, b"permit ipv4 tcp")
+
+ # whitelist the 0xbbbb etype - so the 0xaaaa should be blocked
+ self.etype_whitelist([0xbbb], 1)
+ # remove the whitelist, the previously blocked 0xAAAA should pass now
+ self.etype_whitelist([], 0)
+
+ # The whitelisted traffic, should pass
+ self.run_verify_test(self.IP, self.IPV4, self.proto[self.IP][self.TCP],
+ 0, False, True, 0xaaaa)
+
+ self.logger.info("ACLP_TEST_FINISH_0306")
+
+ def test_0315_del_intf(self):
+ """ apply an acl and delete the interface
+ """
+ self.logger.info("ACLP_TEST_START_0315")
+
+ # Add an ACL
+ rules = []
+ rules.append(self.create_rule(self.IPV4, self.DENY, self.PORTS_RANGE_2,
+ self.proto[self.IP][self.TCP]))
+ rules.append(self.create_rule(self.IPV4, self.PERMIT, self.PORTS_RANGE,
+ self.proto[self.IP][self.TCP]))
+ # deny ip any any in the end
+ rules.append(self.create_rule(self.IPV4, self.DENY, self.PORTS_ALL, 0))
+
+ # create an interface
+ intf = []
+ intf.append(VppLoInterface(self))
+
+ # Apply rules
+ self.apply_rules_to(rules, b"permit ipv4 tcp", intf[0].sw_if_index)
+
+ # Remove the interface
+ intf[0].remove_vpp_config()
+
+ self.logger.info("ACLP_TEST_FINISH_0315")
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/src/plugins/acl/test/test_acl_plugin_conns.py b/src/plugins/acl/test/test_acl_plugin_conns.py
new file mode 100644
index 00000000000..58c44e68262
--- /dev/null
+++ b/src/plugins/acl/test/test_acl_plugin_conns.py
@@ -0,0 +1,411 @@
+#!/usr/bin/env python
+""" ACL plugin extended stateful tests """
+
+import unittest
+from framework import VppTestCase, VppTestRunner, running_extended_tests
+from scapy.layers.l2 import Ether
+from scapy.packet import Raw
+from scapy.layers.inet import IP, UDP, TCP
+from scapy.packet import Packet
+from socket import inet_pton, AF_INET, AF_INET6
+from scapy.layers.inet6 import IPv6, ICMPv6Unknown, ICMPv6EchoRequest
+from scapy.layers.inet6 import ICMPv6EchoReply, IPv6ExtHdrRouting
+from scapy.layers.inet6 import IPv6ExtHdrFragment
+from pprint import pprint
+from random import randint
+from util import L4_Conn
+
+
+def to_acl_rule(self, is_permit, wildcard_sport=False):
+ p = self
+ rule_family = AF_INET6 if p.haslayer(IPv6) else AF_INET
+ rule_prefix_len = 128 if p.haslayer(IPv6) else 32
+ rule_l3_layer = IPv6 if p.haslayer(IPv6) else IP
+ rule_l4_sport = p.sport
+ rule_l4_dport = p.dport
+ if p.haslayer(IPv6):
+ rule_l4_proto = p[IPv6].nh
+ else:
+ rule_l4_proto = p[IP].proto
+
+ if wildcard_sport:
+ rule_l4_sport_first = 0
+ rule_l4_sport_last = 65535
+ else:
+ rule_l4_sport_first = rule_l4_sport
+ rule_l4_sport_last = rule_l4_sport
+
+ new_rule = {
+ 'is_permit': is_permit,
+ 'is_ipv6': p.haslayer(IPv6),
+ 'src_ip_addr': inet_pton(rule_family,
+ p[rule_l3_layer].src),
+ 'src_ip_prefix_len': rule_prefix_len,
+ 'dst_ip_addr': inet_pton(rule_family,
+ p[rule_l3_layer].dst),
+ 'dst_ip_prefix_len': rule_prefix_len,
+ 'srcport_or_icmptype_first': rule_l4_sport_first,
+ 'srcport_or_icmptype_last': rule_l4_sport_last,
+ 'dstport_or_icmpcode_first': rule_l4_dport,
+ 'dstport_or_icmpcode_last': rule_l4_dport,
+ 'proto': rule_l4_proto,
+ }
+ return new_rule
+
+Packet.to_acl_rule = to_acl_rule
+
+
+class IterateWithSleep():
+ def __init__(self, testcase, n_iters, description, sleep_sec):
+ self.curr = 0
+ self.testcase = testcase
+ self.n_iters = n_iters
+ self.sleep_sec = sleep_sec
+ self.description = description
+
+ def __iter__(self):
+ for x in range(0, self.n_iters):
+ yield x
+ self.testcase.sleep(self.sleep_sec)
+
+
+class Conn(L4_Conn):
+ def apply_acls(self, reflect_side, acl_side):
+ pkts = []
+ pkts.append(self.pkt(0))
+ pkts.append(self.pkt(1))
+ pkt = pkts[reflect_side]
+
+ r = []
+ r.append(pkt.to_acl_rule(2, wildcard_sport=True))
+ r.append(self.wildcard_rule(0))
+ res = self.testcase.vapi.acl_add_replace(0xffffffff, r)
+ self.testcase.assert_equal(res.retval, 0, "error adding ACL")
+ reflect_acl_index = res.acl_index
+
+ r = []
+ r.append(self.wildcard_rule(0))
+ res = self.testcase.vapi.acl_add_replace(0xffffffff, r)
+ self.testcase.assert_equal(res.retval, 0, "error adding deny ACL")
+ deny_acl_index = res.acl_index
+
+ if reflect_side == acl_side:
+ self.testcase.vapi.acl_interface_set_acl_list(
+ self.ifs[acl_side].sw_if_index, 1,
+ [reflect_acl_index,
+ deny_acl_index])
+ self.testcase.vapi.acl_interface_set_acl_list(
+ self.ifs[1-acl_side].sw_if_index, 0, [])
+ else:
+ self.testcase.vapi.acl_interface_set_acl_list(
+ self.ifs[acl_side].sw_if_index, 1,
+ [deny_acl_index,
+ reflect_acl_index])
+ self.testcase.vapi.acl_interface_set_acl_list(
+ self.ifs[1-acl_side].sw_if_index, 0, [])
+
+ def wildcard_rule(self, is_permit):
+ any_addr = ["0.0.0.0", "::"]
+ rule_family = self.address_family
+ is_ip6 = 1 if rule_family == AF_INET6 else 0
+ new_rule = {
+ 'is_permit': is_permit,
+ 'is_ipv6': is_ip6,
+ 'src_ip_addr': inet_pton(rule_family, any_addr[is_ip6]),
+ 'src_ip_prefix_len': 0,
+ 'dst_ip_addr': inet_pton(rule_family, any_addr[is_ip6]),
+ 'dst_ip_prefix_len': 0,
+ 'srcport_or_icmptype_first': 0,
+ 'srcport_or_icmptype_last': 65535,
+ 'dstport_or_icmpcode_first': 0,
+ 'dstport_or_icmpcode_last': 65535,
+ 'proto': 0,
+ }
+ return new_rule
+
+
+@unittest.skipUnless(running_extended_tests, "part of extended tests")
+class ACLPluginConnTestCase(VppTestCase):
+ """ ACL plugin connection-oriented extended testcases """
+
+ @classmethod
+ def setUpClass(cls):
+ super(ACLPluginConnTestCase, cls).setUpClass()
+ # create pg0 and pg1
+ cls.create_pg_interfaces(range(2))
+ cmd = "set acl-plugin session table event-trace 1"
+ cls.logger.info(cls.vapi.cli(cmd))
+ for i in cls.pg_interfaces:
+ i.admin_up()
+ i.config_ip4()
+ i.config_ip6()
+ i.resolve_arp()
+ i.resolve_ndp()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(ACLPluginConnTestCase, cls).tearDownClass()
+
+ def tearDown(self):
+ """Run standard test teardown and log various show commands
+ """
+ super(ACLPluginConnTestCase, self).tearDown()
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.cli("show ip arp"))
+ self.logger.info(self.vapi.cli("show ip6 neighbors"))
+ self.logger.info(self.vapi.cli("show acl-plugin sessions"))
+ self.logger.info(self.vapi.cli("show acl-plugin acl"))
+ self.logger.info(self.vapi.cli("show acl-plugin interface"))
+ self.logger.info(self.vapi.cli("show acl-plugin tables"))
+ self.logger.info(self.vapi.cli("show event-logger all"))
+
+ def run_basic_conn_test(self, af, acl_side):
+ """ Basic conn timeout test """
+ conn1 = Conn(self, self.pg0, self.pg1, af, UDP, 42001, 4242)
+ conn1.apply_acls(0, acl_side)
+ conn1.send_through(0)
+ # the return packets should pass
+ conn1.send_through(1)
+ # send some packets on conn1, ensure it doesn't go away
+ for i in IterateWithSleep(self, 20, "Keep conn active", 0.3):
+ conn1.send_through(1)
+ # allow the conn to time out
+ for i in IterateWithSleep(self, 30, "Wait for timeout", 0.1):
+ pass
+ # now try to send a packet on the reflected side
+ try:
+ p2 = conn1.send_through(1).command()
+ except:
+ # If we asserted while waiting, it's good.
+ # the conn should have timed out.
+ p2 = None
+ self.assert_equal(p2, None, "packet on long-idle conn")
+
+ def run_active_conn_test(self, af, acl_side):
+ """ Idle connection behind active connection test """
+ base = 10000 + 1000*acl_side
+ conn1 = Conn(self, self.pg0, self.pg1, af, UDP, base + 1, 2323)
+ conn2 = Conn(self, self.pg0, self.pg1, af, UDP, base + 2, 2323)
+ conn3 = Conn(self, self.pg0, self.pg1, af, UDP, base + 3, 2323)
+ conn1.apply_acls(0, acl_side)
+ conn1.send(0)
+ conn1.recv(1)
+ # create and check that the conn2/3 work
+ self.sleep(0.1)
+ conn2.send_pingpong(0)
+ self.sleep(0.1)
+ conn3.send_pingpong(0)
+ # send some packets on conn1, keep conn2/3 idle
+ for i in IterateWithSleep(self, 20, "Keep conn active", 0.2):
+ conn1.send_through(1)
+ try:
+ p2 = conn2.send_through(1).command()
+ except:
+ # If we asserted while waiting, it's good.
+ # the conn should have timed out.
+ p2 = None
+ # We should have not received the packet on a long-idle
+ # connection, because it should have timed out
+ # If it didn't - it is a problem
+ self.assert_equal(p2, None, "packet on long-idle conn")
+
+ def run_clear_conn_test(self, af, acl_side):
+ """ Clear the connections via CLI """
+ conn1 = Conn(self, self.pg0, self.pg1, af, UDP, 42001, 4242)
+ conn1.apply_acls(0, acl_side)
+ conn1.send_through(0)
+ # the return packets should pass
+ conn1.send_through(1)
+ # send some packets on conn1, ensure it doesn't go away
+ for i in IterateWithSleep(self, 20, "Keep conn active", 0.3):
+ conn1.send_through(1)
+ # clear all connections
+ self.vapi.ppcli("clear acl-plugin sessions")
+ # now try to send a packet on the reflected side
+ try:
+ p2 = conn1.send_through(1).command()
+ except:
+ # If we asserted while waiting, it's good.
+ # the conn should have timed out.
+ p2 = None
+ self.assert_equal(p2, None, "packet on supposedly deleted conn")
+
+ def run_tcp_transient_setup_conn_test(self, af, acl_side):
+ conn1 = Conn(self, self.pg0, self.pg1, af, TCP, 53001, 5151)
+ conn1.apply_acls(0, acl_side)
+ conn1.send_through(0, 'S')
+ # the return packets should pass
+ conn1.send_through(1, 'SA')
+ # allow the conn to time out
+ for i in IterateWithSleep(self, 30, "Wait for timeout", 0.1):
+ pass
+ # ensure conn times out
+ try:
+ p2 = conn1.send_through(1).command()
+ except:
+ # If we asserted while waiting, it's good.
+ # the conn should have timed out.
+ p2 = None
+ self.assert_equal(p2, None, "packet on supposedly deleted conn")
+
+ def run_tcp_established_conn_test(self, af, acl_side):
+ conn1 = Conn(self, self.pg0, self.pg1, af, TCP, 53002, 5052)
+ conn1.apply_acls(0, acl_side)
+ conn1.send_through(0, 'S')
+ # the return packets should pass
+ conn1.send_through(1, 'SA')
+ # complete the threeway handshake
+ # (NB: sequence numbers not tracked, so not set!)
+ conn1.send_through(0, 'A')
+ # allow the conn to time out if it's in embryonic timer
+ for i in IterateWithSleep(self, 30, "Wait for transient timeout", 0.1):
+ pass
+ # Try to send the packet from the "forbidden" side - it must pass
+ conn1.send_through(1, 'A')
+ # ensure conn times out for real
+ for i in IterateWithSleep(self, 130, "Wait for timeout", 0.1):
+ pass
+ try:
+ p2 = conn1.send_through(1).command()
+ except:
+ # If we asserted while waiting, it's good.
+ # the conn should have timed out.
+ p2 = None
+ self.assert_equal(p2, None, "packet on supposedly deleted conn")
+
+ def run_tcp_transient_teardown_conn_test(self, af, acl_side):
+ conn1 = Conn(self, self.pg0, self.pg1, af, TCP, 53002, 5052)
+ conn1.apply_acls(0, acl_side)
+ conn1.send_through(0, 'S')
+ # the return packets should pass
+ conn1.send_through(1, 'SA')
+ # complete the threeway handshake
+ # (NB: sequence numbers not tracked, so not set!)
+ conn1.send_through(0, 'A')
+ # allow the conn to time out if it's in embryonic timer
+ for i in IterateWithSleep(self, 30, "Wait for transient timeout", 0.1):
+ pass
+ # Try to send the packet from the "forbidden" side - it must pass
+ conn1.send_through(1, 'A')
+ # Send the FIN to bounce the session out of established
+ conn1.send_through(1, 'FA')
+ # If conn landed on transient timer it will time out here
+ for i in IterateWithSleep(self, 30, "Wait for transient timeout", 0.1):
+ pass
+ # Now it should have timed out already
+ try:
+ p2 = conn1.send_through(1).command()
+ except:
+ # If we asserted while waiting, it's good.
+ # the conn should have timed out.
+ p2 = None
+ self.assert_equal(p2, None, "packet on supposedly deleted conn")
+
+ def test_0000_conn_prepare_test(self):
+ """ Prepare the settings """
+ self.vapi.ppcli("set acl-plugin session timeout udp idle 1")
+
+ def test_0001_basic_conn_test(self):
+ """ IPv4: Basic conn timeout test reflect on ingress """
+ self.run_basic_conn_test(AF_INET, 0)
+
+ def test_0002_basic_conn_test(self):
+ """ IPv4: Basic conn timeout test reflect on egress """
+ self.run_basic_conn_test(AF_INET, 1)
+
+ def test_0005_clear_conn_test(self):
+ """ IPv4: reflect egress, clear conn """
+ self.run_clear_conn_test(AF_INET, 1)
+
+ def test_0006_clear_conn_test(self):
+ """ IPv4: reflect ingress, clear conn """
+ self.run_clear_conn_test(AF_INET, 0)
+
+ def test_0011_active_conn_test(self):
+ """ IPv4: Idle conn behind active conn, reflect on ingress """
+ self.run_active_conn_test(AF_INET, 0)
+
+ def test_0012_active_conn_test(self):
+ """ IPv4: Idle conn behind active conn, reflect on egress """
+ self.run_active_conn_test(AF_INET, 1)
+
+ def test_1001_basic_conn_test(self):
+ """ IPv6: Basic conn timeout test reflect on ingress """
+ self.run_basic_conn_test(AF_INET6, 0)
+
+ def test_1002_basic_conn_test(self):
+ """ IPv6: Basic conn timeout test reflect on egress """
+ self.run_basic_conn_test(AF_INET6, 1)
+
+ def test_1005_clear_conn_test(self):
+ """ IPv6: reflect egress, clear conn """
+ self.run_clear_conn_test(AF_INET6, 1)
+
+ def test_1006_clear_conn_test(self):
+ """ IPv6: reflect ingress, clear conn """
+ self.run_clear_conn_test(AF_INET6, 0)
+
+ def test_1011_active_conn_test(self):
+ """ IPv6: Idle conn behind active conn, reflect on ingress """
+ self.run_active_conn_test(AF_INET6, 0)
+
+ def test_1012_active_conn_test(self):
+ """ IPv6: Idle conn behind active conn, reflect on egress """
+ self.run_active_conn_test(AF_INET6, 1)
+
+ def test_2000_prepare_for_tcp_test(self):
+ """ Prepare for TCP session tests """
+ # ensure the session hangs on if it gets treated as UDP
+ self.vapi.ppcli("set acl-plugin session timeout udp idle 200")
+ # let the TCP connection time out at 5 seconds
+ self.vapi.ppcli("set acl-plugin session timeout tcp idle 10")
+ self.vapi.ppcli("set acl-plugin session timeout tcp transient 1")
+
+ def test_2001_tcp_transient_conn_test(self):
+ """ IPv4: transient TCP session (incomplete 3WHS), ref. on ingress """
+ self.run_tcp_transient_setup_conn_test(AF_INET, 0)
+
+ def test_2002_tcp_transient_conn_test(self):
+ """ IPv4: transient TCP session (incomplete 3WHS), ref. on egress """
+ self.run_tcp_transient_setup_conn_test(AF_INET, 1)
+
+ def test_2003_tcp_transient_conn_test(self):
+ """ IPv4: established TCP session (complete 3WHS), ref. on ingress """
+ self.run_tcp_established_conn_test(AF_INET, 0)
+
+ def test_2004_tcp_transient_conn_test(self):
+ """ IPv4: established TCP session (complete 3WHS), ref. on egress """
+ self.run_tcp_established_conn_test(AF_INET, 1)
+
+ def test_2005_tcp_transient_teardown_conn_test(self):
+ """ IPv4: transient TCP session (3WHS,ACK,FINACK), ref. on ingress """
+ self.run_tcp_transient_teardown_conn_test(AF_INET, 0)
+
+ def test_2006_tcp_transient_teardown_conn_test(self):
+ """ IPv4: transient TCP session (3WHS,ACK,FINACK), ref. on egress """
+ self.run_tcp_transient_teardown_conn_test(AF_INET, 1)
+
+ def test_3001_tcp_transient_conn_test(self):
+ """ IPv6: transient TCP session (incomplete 3WHS), ref. on ingress """
+ self.run_tcp_transient_setup_conn_test(AF_INET6, 0)
+
+ def test_3002_tcp_transient_conn_test(self):
+ """ IPv6: transient TCP session (incomplete 3WHS), ref. on egress """
+ self.run_tcp_transient_setup_conn_test(AF_INET6, 1)
+
+ def test_3003_tcp_transient_conn_test(self):
+ """ IPv6: established TCP session (complete 3WHS), ref. on ingress """
+ self.run_tcp_established_conn_test(AF_INET6, 0)
+
+ def test_3004_tcp_transient_conn_test(self):
+ """ IPv6: established TCP session (complete 3WHS), ref. on egress """
+ self.run_tcp_established_conn_test(AF_INET6, 1)
+
+ def test_3005_tcp_transient_teardown_conn_test(self):
+ """ IPv6: transient TCP session (3WHS,ACK,FINACK), ref. on ingress """
+ self.run_tcp_transient_teardown_conn_test(AF_INET6, 0)
+
+ def test_3006_tcp_transient_teardown_conn_test(self):
+ """ IPv6: transient TCP session (3WHS,ACK,FINACK), ref. on egress """
+ self.run_tcp_transient_teardown_conn_test(AF_INET6, 1)
diff --git a/src/plugins/acl/test/test_acl_plugin_l2l3.py b/src/plugins/acl/test/test_acl_plugin_l2l3.py
new file mode 100644
index 00000000000..31b4058fc69
--- /dev/null
+++ b/src/plugins/acl/test/test_acl_plugin_l2l3.py
@@ -0,0 +1,871 @@
+#!/usr/bin/env python
+"""ACL IRB Test Case HLD:
+
+**config**
+ - L2 MAC learning enabled in l2bd
+ - 2 routed interfaces untagged, bvi (Bridge Virtual Interface)
+ - 2 bridged interfaces in l2bd with bvi
+
+**test**
+ - sending ip4 eth pkts between routed interfaces
+ - 2 routed interfaces
+ - 2 bridged interfaces
+
+ - 64B, 512B, 1518B, 9200B (ether_size)
+
+ - burst of pkts per interface
+ - 257pkts per burst
+ - routed pkts hitting different FIB entries
+ - bridged pkts hitting different MAC entries
+
+**verify**
+ - all packets received correctly
+
+"""
+
+import unittest
+from socket import inet_pton, AF_INET, AF_INET6
+from random import choice, shuffle
+from pprint import pprint
+
+import scapy.compat
+from scapy.packet import Raw
+from scapy.layers.l2 import Ether
+from scapy.layers.inet import IP, UDP, ICMP, TCP
+from scapy.layers.inet6 import IPv6, ICMPv6Unknown, ICMPv6EchoRequest
+from scapy.layers.inet6 import ICMPv6EchoReply, IPv6ExtHdrRouting
+from scapy.layers.inet6 import IPv6ExtHdrFragment
+
+from framework import VppTestCase, VppTestRunner
+from vpp_l2 import L2_PORT_TYPE
+import time
+
+
+class TestACLpluginL2L3(VppTestCase):
+ """TestACLpluginL2L3 Test Case"""
+
+ @classmethod
+ def setUpClass(cls):
+ """
+ #. Create BD with MAC learning enabled and put interfaces to this BD.
+ #. Configure IPv4 addresses on loopback interface and routed interface.
+ #. Configure MAC address binding to IPv4 neighbors on loop0.
+ #. Configure MAC address on pg2.
+ #. Loopback BVI interface has remote hosts, one half of hosts are
+ behind pg0 second behind pg1.
+ """
+ super(TestACLpluginL2L3, cls).setUpClass()
+
+ cls.pg_if_packet_sizes = [64, 512, 1518, 9018] # packet sizes
+ cls.bd_id = 10
+ cls.remote_hosts_count = 250
+
+ # create 3 pg interfaces, 1 loopback interface
+ cls.create_pg_interfaces(range(3))
+ cls.create_loopback_interfaces(1)
+
+ cls.interfaces = list(cls.pg_interfaces)
+ cls.interfaces.extend(cls.lo_interfaces)
+
+ for i in cls.interfaces:
+ i.admin_up()
+
+ # Create BD with MAC learning enabled and put interfaces to this BD
+ cls.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=cls.loop0.sw_if_index, bd_id=cls.bd_id,
+ port_type=L2_PORT_TYPE.BVI)
+ cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=cls.pg0.sw_if_index,
+ bd_id=cls.bd_id)
+ cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=cls.pg1.sw_if_index,
+ bd_id=cls.bd_id)
+
+ # Configure IPv4 addresses on loopback interface and routed interface
+ cls.loop0.config_ip4()
+ cls.loop0.config_ip6()
+ cls.pg2.config_ip4()
+ cls.pg2.config_ip6()
+
+ # Configure MAC address binding to IPv4 neighbors on loop0
+ cls.loop0.generate_remote_hosts(cls.remote_hosts_count)
+ cls.loop0.configure_ipv4_neighbors()
+ cls.loop0.configure_ipv6_neighbors()
+ # configure MAC address on pg2
+ cls.pg2.resolve_arp()
+ cls.pg2.resolve_ndp()
+
+ cls.WITHOUT_EH = False
+ cls.WITH_EH = True
+ cls.STATELESS_ICMP = False
+ cls.STATEFUL_ICMP = True
+
+ # Loopback BVI interface has remote hosts, one half of hosts are behind
+ # pg0 second behind pg1
+ half = cls.remote_hosts_count // 2
+ cls.pg0.remote_hosts = cls.loop0.remote_hosts[:half]
+ cls.pg1.remote_hosts = cls.loop0.remote_hosts[half:]
+ reply = cls.vapi.papi.acl_stats_intf_counters_enable(enable=1)
+
+ @classmethod
+ def tearDownClass(cls):
+ reply = cls.vapi.papi.acl_stats_intf_counters_enable(enable=0)
+ super(TestACLpluginL2L3, cls).tearDownClass()
+
+ def tearDown(self):
+ """Run standard test teardown and log ``show l2patch``,
+ ``show l2fib verbose``,``show bridge-domain <bd_id> detail``,
+ ``show ip arp``.
+ """
+ super(TestACLpluginL2L3, self).tearDown()
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.cli("show l2patch"))
+ self.logger.info(self.vapi.cli("show classify tables"))
+ self.logger.info(self.vapi.cli("show l2fib verbose"))
+ self.logger.info(self.vapi.cli("show bridge-domain %s detail" %
+ self.bd_id))
+ self.logger.info(self.vapi.cli("show ip arp"))
+ self.logger.info(self.vapi.cli("show ip6 neighbors"))
+ cmd = "show acl-plugin sessions verbose 1"
+ self.logger.info(self.vapi.cli(cmd))
+ self.logger.info(self.vapi.cli("show acl-plugin acl"))
+ self.logger.info(self.vapi.cli("show acl-plugin interface"))
+ self.logger.info(self.vapi.cli("show acl-plugin tables"))
+
+ def create_stream(self, src_ip_if, dst_ip_if, reverse, packet_sizes,
+ is_ip6, expect_blocked, expect_established,
+ add_extension_header, icmp_stateful=False):
+ pkts = []
+ rules = []
+ permit_rules = []
+ permit_and_reflect_rules = []
+ total_packet_count = 8
+ for i in range(0, total_packet_count):
+ modulo = (i//2) % 2
+ icmp_type_delta = i % 2
+ icmp_code = i
+ is_udp_packet = (modulo == 0)
+ if is_udp_packet and icmp_stateful:
+ continue
+ is_reflectable_icmp = (icmp_stateful and icmp_type_delta == 0 and
+ not is_udp_packet)
+ is_reflected_icmp = is_reflectable_icmp and expect_established
+ can_reflect_this_packet = is_udp_packet or is_reflectable_icmp
+ is_permit = i % 2
+ remote_dst_index = i % len(dst_ip_if.remote_hosts)
+ remote_dst_host = dst_ip_if.remote_hosts[remote_dst_index]
+ if is_permit == 1:
+ info = self.create_packet_info(src_ip_if, dst_ip_if)
+ payload = self.info_to_payload(info)
+ else:
+ to_be_blocked = False
+ if (expect_blocked and not expect_established):
+ to_be_blocked = True
+ if (not can_reflect_this_packet):
+ to_be_blocked = True
+ if to_be_blocked:
+ payload = "to be blocked"
+ else:
+ info = self.create_packet_info(src_ip_if, dst_ip_if)
+ payload = self.info_to_payload(info)
+ if reverse:
+ dst_mac = 'de:ad:00:00:00:00'
+ src_mac = remote_dst_host._mac
+ dst_ip6 = src_ip_if.remote_ip6
+ src_ip6 = remote_dst_host.ip6
+ dst_ip4 = src_ip_if.remote_ip4
+ src_ip4 = remote_dst_host.ip4
+ dst_l4 = 1234 + i
+ src_l4 = 4321 + i
+ else:
+ dst_mac = src_ip_if.local_mac
+ src_mac = src_ip_if.remote_mac
+ src_ip6 = src_ip_if.remote_ip6
+ dst_ip6 = remote_dst_host.ip6
+ src_ip4 = src_ip_if.remote_ip4
+ dst_ip4 = remote_dst_host.ip4
+ src_l4 = 1234 + i
+ dst_l4 = 4321 + i
+ if is_reflected_icmp:
+ icmp_type_delta = 1
+
+ # default ULP should be something we do not use in tests
+ ulp_l4 = TCP(sport=src_l4, dport=dst_l4)
+ # potentially a chain of protocols leading to ULP
+ ulp = ulp_l4
+
+ if is_udp_packet:
+ if is_ip6:
+ ulp_l4 = UDP(sport=src_l4, dport=dst_l4)
+ if add_extension_header:
+ # prepend some extension headers
+ ulp = (IPv6ExtHdrRouting() / IPv6ExtHdrRouting() /
+ IPv6ExtHdrFragment(offset=0, m=1) / ulp_l4)
+ # uncomment below to test invalid ones
+ # ulp = IPv6ExtHdrRouting(len = 200) / ulp_l4
+ else:
+ ulp = ulp_l4
+ p = (Ether(dst=dst_mac, src=src_mac) /
+ IPv6(src=src_ip6, dst=dst_ip6) /
+ ulp /
+ Raw(payload))
+ else:
+ ulp_l4 = UDP(sport=src_l4, dport=dst_l4)
+ # IPv4 does not allow extension headers,
+ # but we rather make it a first fragment
+ flags = 1 if add_extension_header else 0
+ ulp = ulp_l4
+ p = (Ether(dst=dst_mac, src=src_mac) /
+ IP(src=src_ip4, dst=dst_ip4, frag=0, flags=flags) /
+ ulp /
+ Raw(payload))
+ elif modulo == 1:
+ if is_ip6:
+ ulp_l4 = ICMPv6Unknown(type=128 + icmp_type_delta,
+ code=icmp_code)
+ ulp = ulp_l4
+ p = (Ether(dst=dst_mac, src=src_mac) /
+ IPv6(src=src_ip6, dst=dst_ip6) /
+ ulp /
+ Raw(payload))
+ else:
+ ulp_l4 = ICMP(type=8 - 8*icmp_type_delta, code=icmp_code)
+ ulp = ulp_l4
+ p = (Ether(dst=dst_mac, src=src_mac) /
+ IP(src=src_ip4, dst=dst_ip4) /
+ ulp /
+ Raw(payload))
+
+ if i % 2 == 1:
+ info.data = p.copy()
+ size = packet_sizes[(i // 2) % len(packet_sizes)]
+ self.extend_packet(p, size)
+ pkts.append(p)
+
+ rule_family = AF_INET6 if p.haslayer(IPv6) else AF_INET
+ rule_prefix_len = 128 if p.haslayer(IPv6) else 32
+ rule_l3_layer = IPv6 if p.haslayer(IPv6) else IP
+
+ if p.haslayer(UDP):
+ rule_l4_sport = p[UDP].sport
+ rule_l4_dport = p[UDP].dport
+ else:
+ if p.haslayer(ICMP):
+ rule_l4_sport = p[ICMP].type
+ rule_l4_dport = p[ICMP].code
+ else:
+ rule_l4_sport = p[ICMPv6Unknown].type
+ rule_l4_dport = p[ICMPv6Unknown].code
+ if p.haslayer(IPv6):
+ rule_l4_proto = ulp_l4.overload_fields[IPv6]['nh']
+ else:
+ rule_l4_proto = p[IP].proto
+
+ new_rule = {
+ 'is_permit': is_permit,
+ 'is_ipv6': p.haslayer(IPv6),
+ 'src_ip_addr': inet_pton(rule_family,
+ p[rule_l3_layer].src),
+ 'src_ip_prefix_len': rule_prefix_len,
+ 'dst_ip_addr': inet_pton(rule_family,
+ p[rule_l3_layer].dst),
+ 'dst_ip_prefix_len': rule_prefix_len,
+ 'srcport_or_icmptype_first': rule_l4_sport,
+ 'srcport_or_icmptype_last': rule_l4_sport,
+ 'dstport_or_icmpcode_first': rule_l4_dport,
+ 'dstport_or_icmpcode_last': rule_l4_dport,
+ 'proto': rule_l4_proto,
+ }
+ rules.append(new_rule)
+ new_rule_permit = new_rule.copy()
+ new_rule_permit['is_permit'] = 1
+ permit_rules.append(new_rule_permit)
+
+ new_rule_permit_and_reflect = new_rule.copy()
+ if can_reflect_this_packet:
+ new_rule_permit_and_reflect['is_permit'] = 2
+ else:
+ new_rule_permit_and_reflect['is_permit'] = is_permit
+
+ permit_and_reflect_rules.append(new_rule_permit_and_reflect)
+ self.logger.info("create_stream pkt#%d: %s" % (i, payload))
+
+ return {'stream': pkts,
+ 'rules': rules,
+ 'permit_rules': permit_rules,
+ 'permit_and_reflect_rules': permit_and_reflect_rules}
+
+ def verify_capture(self, dst_ip_if, src_ip_if, capture, reverse):
+ last_info = dict()
+ for i in self.interfaces:
+ last_info[i.sw_if_index] = None
+
+ dst_ip_sw_if_index = dst_ip_if.sw_if_index
+
+ for packet in capture:
+ l3 = IP if packet.haslayer(IP) else IPv6
+ ip = packet[l3]
+ if packet.haslayer(UDP):
+ l4 = UDP
+ else:
+ if packet.haslayer(ICMP):
+ l4 = ICMP
+ else:
+ l4 = ICMPv6Unknown
+
+ # Scapy IPv6 stuff is too smart for its own good.
+ # So we do this and coerce the ICMP into unknown type
+ if packet.haslayer(UDP):
+ data = scapy.compat.raw(packet[UDP][Raw])
+ else:
+ if l3 == IP:
+ data = scapy.compat.raw(ICMP(
+ scapy.compat.raw(packet[l3].payload))[Raw])
+ else:
+ data = scapy.compat.raw(ICMPv6Unknown(
+ scapy.compat.raw(packet[l3].payload)).msgbody)
+ udp_or_icmp = packet[l3].payload
+ data_obj = Raw(data)
+ # FIXME: make framework believe we are on object
+ payload_info = self.payload_to_info(data_obj)
+ packet_index = payload_info.index
+
+ self.assertEqual(payload_info.dst, dst_ip_sw_if_index)
+
+ next_info = self.get_next_packet_info_for_interface2(
+ payload_info.src, dst_ip_sw_if_index,
+ last_info[payload_info.src])
+ last_info[payload_info.src] = next_info
+ self.assertTrue(next_info is not None)
+ self.assertEqual(packet_index, next_info.index)
+ saved_packet = next_info.data
+ self.assertTrue(next_info is not None)
+
+ # MAC: src, dst
+ if not reverse:
+ self.assertEqual(packet.src, dst_ip_if.local_mac)
+ host = dst_ip_if.host_by_mac(packet.dst)
+
+ # IP: src, dst
+ # self.assertEqual(ip.src, src_ip_if.remote_ip4)
+ if saved_packet is not None:
+ self.assertEqual(ip.src, saved_packet[l3].src)
+ self.assertEqual(ip.dst, saved_packet[l3].dst)
+ if l4 == UDP:
+ self.assertEqual(udp_or_icmp.sport, saved_packet[l4].sport)
+ self.assertEqual(udp_or_icmp.dport, saved_packet[l4].dport)
+ # self.assertEqual(ip.dst, host.ip4)
+
+ # UDP:
+
+ def applied_acl_shuffle(self, sw_if_index):
+ # first collect what ACLs are applied and what they look like
+ r = self.vapi.acl_interface_list_dump(sw_if_index=sw_if_index)
+ orig_applied_acls = r[0]
+
+ # we will collect these just to save and generate additional rulesets
+ orig_acls = []
+ for acl_num in orig_applied_acls.acls:
+ rr = self.vapi.acl_dump(acl_num)
+ orig_acls.append(rr[0])
+
+ # now create a list of all the rules in all ACLs
+ all_rules = []
+ for old_acl in orig_acls:
+ for rule in old_acl.r:
+ all_rules.append(dict(rule._asdict()))
+
+ # Add a few ACLs made from shuffled rules
+ shuffle(all_rules)
+ reply = self.vapi.acl_add_replace(acl_index=4294967295,
+ r=all_rules[::2],
+ tag=b"shuffle 1. acl")
+ shuffle_acl_1 = reply.acl_index
+ shuffle(all_rules)
+ reply = self.vapi.acl_add_replace(acl_index=4294967295,
+ r=all_rules[::3],
+ tag=b"shuffle 2. acl")
+ shuffle_acl_2 = reply.acl_index
+ shuffle(all_rules)
+ reply = self.vapi.acl_add_replace(acl_index=4294967295,
+ r=all_rules[::2],
+ tag=b"shuffle 3. acl")
+ shuffle_acl_3 = reply.acl_index
+
+ # apply the shuffle ACLs in front
+ input_acls = [shuffle_acl_1, shuffle_acl_2]
+ output_acls = [shuffle_acl_1, shuffle_acl_2]
+
+ # add the currently applied ACLs
+ n_input = orig_applied_acls.n_input
+ input_acls.extend(orig_applied_acls.acls[:n_input])
+ output_acls.extend(orig_applied_acls.acls[n_input:])
+
+ # and the trailing shuffle ACL(s)
+ input_acls.extend([shuffle_acl_3])
+ output_acls.extend([shuffle_acl_3])
+
+ # set the interface ACL list to the result
+ self.vapi.acl_interface_set_acl_list(sw_if_index=sw_if_index,
+ n_input=len(input_acls),
+ acls=input_acls + output_acls)
+ # change the ACLs a few times
+ for i in range(1, 10):
+ shuffle(all_rules)
+ reply = self.vapi.acl_add_replace(acl_index=shuffle_acl_1,
+ r=all_rules[::1+(i % 2)],
+ tag=b"shuffle 1. acl")
+ shuffle(all_rules)
+ reply = self.vapi.acl_add_replace(acl_index=shuffle_acl_2,
+ r=all_rules[::1+(i % 3)],
+ tag=b"shuffle 2. acl")
+ shuffle(all_rules)
+ reply = self.vapi.acl_add_replace(acl_index=shuffle_acl_2,
+ r=all_rules[::1+(i % 5)],
+ tag=b"shuffle 3. acl")
+
+ # restore to how it was before and clean up
+ self.vapi.acl_interface_set_acl_list(sw_if_index=sw_if_index,
+ n_input=orig_applied_acls.n_input,
+ acls=orig_applied_acls.acls)
+ reply = self.vapi.acl_del(acl_index=shuffle_acl_1)
+ reply = self.vapi.acl_del(acl_index=shuffle_acl_2)
+ reply = self.vapi.acl_del(acl_index=shuffle_acl_3)
+
+ def create_acls_for_a_stream(self, stream_dict,
+ test_l2_action, is_reflect):
+ r = stream_dict['rules']
+ r_permit = stream_dict['permit_rules']
+ r_permit_reflect = stream_dict['permit_and_reflect_rules']
+ r_action = r_permit_reflect if is_reflect else r
+ reply = self.vapi.acl_add_replace(acl_index=4294967295, r=r_action,
+ tag=b"act. acl")
+ action_acl_index = reply.acl_index
+ reply = self.vapi.acl_add_replace(acl_index=4294967295, r=r_permit,
+ tag=b"perm. acl")
+ permit_acl_index = reply.acl_index
+ return {'L2': action_acl_index if test_l2_action else permit_acl_index,
+ 'L3': permit_acl_index if test_l2_action else action_acl_index,
+ 'permit': permit_acl_index, 'action': action_acl_index}
+
+ def apply_acl_ip46_x_to_y(self, bridged_to_routed, test_l2_deny,
+ is_ip6, is_reflect, add_eh):
+ """ Apply the ACLs
+ """
+ self.reset_packet_infos()
+ stream_dict = self.create_stream(
+ self.pg2, self.loop0,
+ bridged_to_routed,
+ self.pg_if_packet_sizes, is_ip6,
+ not is_reflect, False, add_eh)
+ stream = stream_dict['stream']
+ acl_idx = self.create_acls_for_a_stream(stream_dict, test_l2_deny,
+ is_reflect)
+ n_input_l3 = 0 if bridged_to_routed else 1
+ n_input_l2 = 1 if bridged_to_routed else 0
+ self.vapi.acl_interface_set_acl_list(sw_if_index=self.pg2.sw_if_index,
+ n_input=n_input_l3,
+ acls=[acl_idx['L3']])
+ self.vapi.acl_interface_set_acl_list(sw_if_index=self.pg0.sw_if_index,
+ n_input=n_input_l2,
+ acls=[acl_idx['L2']])
+ self.vapi.acl_interface_set_acl_list(sw_if_index=self.pg1.sw_if_index,
+ n_input=n_input_l2,
+ acls=[acl_idx['L2']])
+ self.applied_acl_shuffle(self.pg0.sw_if_index)
+ self.applied_acl_shuffle(self.pg2.sw_if_index)
+ return {'L2': acl_idx['L2'], 'L3': acl_idx['L3']}
+
+ def apply_acl_ip46_both_directions_reflect(self,
+ primary_is_bridged_to_routed,
+ reflect_on_l2, is_ip6, add_eh,
+ stateful_icmp):
+ primary_is_routed_to_bridged = not primary_is_bridged_to_routed
+ self.reset_packet_infos()
+ stream_dict_fwd = self.create_stream(self.pg2, self.loop0,
+ primary_is_bridged_to_routed,
+ self.pg_if_packet_sizes, is_ip6,
+ False, False, add_eh,
+ stateful_icmp)
+ acl_idx_fwd = self.create_acls_for_a_stream(stream_dict_fwd,
+ reflect_on_l2, True)
+
+ stream_dict_rev = self.create_stream(self.pg2, self.loop0,
+ not primary_is_bridged_to_routed,
+ self.pg_if_packet_sizes, is_ip6,
+ True, True, add_eh, stateful_icmp)
+ # We want the primary action to be "deny" rather than reflect
+ acl_idx_rev = self.create_acls_for_a_stream(stream_dict_rev,
+ reflect_on_l2, False)
+
+ if primary_is_bridged_to_routed:
+ inbound_l2_acl = acl_idx_fwd['L2']
+ else:
+ inbound_l2_acl = acl_idx_rev['L2']
+
+ if primary_is_routed_to_bridged:
+ outbound_l2_acl = acl_idx_fwd['L2']
+ else:
+ outbound_l2_acl = acl_idx_rev['L2']
+
+ if primary_is_routed_to_bridged:
+ inbound_l3_acl = acl_idx_fwd['L3']
+ else:
+ inbound_l3_acl = acl_idx_rev['L3']
+
+ if primary_is_bridged_to_routed:
+ outbound_l3_acl = acl_idx_fwd['L3']
+ else:
+ outbound_l3_acl = acl_idx_rev['L3']
+
+ self.vapi.acl_interface_set_acl_list(sw_if_index=self.pg2.sw_if_index,
+ n_input=1,
+ acls=[inbound_l3_acl,
+ outbound_l3_acl])
+ self.vapi.acl_interface_set_acl_list(sw_if_index=self.pg0.sw_if_index,
+ n_input=1,
+ acls=[inbound_l2_acl,
+ outbound_l2_acl])
+ self.vapi.acl_interface_set_acl_list(sw_if_index=self.pg1.sw_if_index,
+ n_input=1,
+ acls=[inbound_l2_acl,
+ outbound_l2_acl])
+ self.applied_acl_shuffle(self.pg0.sw_if_index)
+ self.applied_acl_shuffle(self.pg2.sw_if_index)
+
+ def apply_acl_ip46_routed_to_bridged(self, test_l2_deny, is_ip6,
+ is_reflect, add_eh):
+ return self.apply_acl_ip46_x_to_y(False, test_l2_deny, is_ip6,
+ is_reflect, add_eh)
+
+ def apply_acl_ip46_bridged_to_routed(self, test_l2_deny, is_ip6,
+ is_reflect, add_eh):
+ return self.apply_acl_ip46_x_to_y(True, test_l2_deny, is_ip6,
+ is_reflect, add_eh)
+
+ def verify_acl_packet_count(self, acl_idx, packet_count):
+ matches = self.statistics.get_counter('/acl/%d/matches' % acl_idx)
+ self.logger.info("stat seg for ACL %d: %s" % (acl_idx, repr(matches)))
+ total_count = 0
+ for p in matches[0]:
+ total_count = total_count + p['packets']
+ self.assertEqual(total_count, packet_count)
+
+ def run_traffic_ip46_x_to_y(self, bridged_to_routed,
+ test_l2_deny, is_ip6,
+ is_reflect, is_established, add_eh,
+ stateful_icmp=False):
+ self.reset_packet_infos()
+ stream_dict = self.create_stream(self.pg2, self.loop0,
+ bridged_to_routed,
+ self.pg_if_packet_sizes, is_ip6,
+ not is_reflect, is_established,
+ add_eh, stateful_icmp)
+ stream = stream_dict['stream']
+
+ tx_if = self.pg0 if bridged_to_routed else self.pg2
+ rx_if = self.pg2 if bridged_to_routed else self.pg0
+
+ tx_if.add_stream(stream)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ packet_count = self.get_packet_count_for_if_idx(self.loop0.sw_if_index)
+ rcvd1 = rx_if.get_capture(packet_count)
+ self.verify_capture(self.loop0, self.pg2, rcvd1, bridged_to_routed)
+ return len(stream)
+
+ def run_traffic_ip46_routed_to_bridged(self, test_l2_deny, is_ip6,
+ is_reflect, is_established, add_eh,
+ stateful_icmp=False):
+ return self.run_traffic_ip46_x_to_y(False, test_l2_deny, is_ip6,
+ is_reflect, is_established, add_eh,
+ stateful_icmp)
+
+ def run_traffic_ip46_bridged_to_routed(self, test_l2_deny, is_ip6,
+ is_reflect, is_established, add_eh,
+ stateful_icmp=False):
+ return self.run_traffic_ip46_x_to_y(True, test_l2_deny, is_ip6,
+ is_reflect, is_established, add_eh,
+ stateful_icmp)
+
+ def run_test_ip46_routed_to_bridged(self, test_l2_deny,
+ is_ip6, is_reflect, add_eh):
+ acls = self.apply_acl_ip46_routed_to_bridged(test_l2_deny,
+ is_ip6, is_reflect,
+ add_eh)
+ pkts = self.run_traffic_ip46_routed_to_bridged(test_l2_deny, is_ip6,
+ is_reflect, False,
+ add_eh)
+ self.verify_acl_packet_count(acls['L3'], pkts)
+
+ def run_test_ip46_bridged_to_routed(self, test_l2_deny,
+ is_ip6, is_reflect, add_eh):
+ acls = self.apply_acl_ip46_bridged_to_routed(test_l2_deny,
+ is_ip6, is_reflect,
+ add_eh)
+ pkts = self.run_traffic_ip46_bridged_to_routed(test_l2_deny, is_ip6,
+ is_reflect, False,
+ add_eh)
+ self.verify_acl_packet_count(acls['L2'], pkts)
+
+ def run_test_ip46_routed_to_bridged_and_back(self, test_l2_action,
+ is_ip6, add_eh,
+ stateful_icmp=False):
+ self.apply_acl_ip46_both_directions_reflect(False, test_l2_action,
+ is_ip6, add_eh,
+ stateful_icmp)
+ self.run_traffic_ip46_routed_to_bridged(test_l2_action, is_ip6,
+ True, False, add_eh,
+ stateful_icmp)
+ self.run_traffic_ip46_bridged_to_routed(test_l2_action, is_ip6,
+ False, True, add_eh,
+ stateful_icmp)
+
+ def run_test_ip46_bridged_to_routed_and_back(self, test_l2_action,
+ is_ip6, add_eh,
+ stateful_icmp=False):
+ self.apply_acl_ip46_both_directions_reflect(True, test_l2_action,
+ is_ip6, add_eh,
+ stateful_icmp)
+ self.run_traffic_ip46_bridged_to_routed(test_l2_action, is_ip6,
+ True, False, add_eh,
+ stateful_icmp)
+ self.run_traffic_ip46_routed_to_bridged(test_l2_action, is_ip6,
+ False, True, add_eh,
+ stateful_icmp)
+
+ def test_0000_ip6_irb_1(self):
+ """ ACL plugin prepare"""
+ if not self.vpp_dead:
+ cmd = "set acl-plugin session timeout udp idle 2000"
+ self.logger.info(self.vapi.ppcli(cmd))
+ # uncomment to not skip past the routing header
+ # and watch the EH tests fail
+ # self.logger.info(self.vapi.ppcli(
+ # "set acl-plugin skip-ipv6-extension-header 43 0"))
+ # uncomment to test the session limit (stateful tests will fail)
+ # self.logger.info(self.vapi.ppcli(
+ # "set acl-plugin session table max-entries 1"))
+ # new datapath is the default, but just in case
+ # self.logger.info(self.vapi.ppcli(
+ # "set acl-plugin l2-datapath new"))
+ # If you want to see some tests fail, uncomment the next line
+ # self.logger.info(self.vapi.ppcli(
+ # "set acl-plugin l2-datapath old"))
+
+ def test_0001_ip6_irb_1(self):
+ """ ACL IPv6 routed -> bridged, L2 ACL deny"""
+ self.run_test_ip46_routed_to_bridged(True, True, False,
+ self.WITHOUT_EH)
+
+ def test_0002_ip6_irb_1(self):
+ """ ACL IPv6 routed -> bridged, L3 ACL deny"""
+ self.run_test_ip46_routed_to_bridged(False, True, False,
+ self.WITHOUT_EH)
+
+ def test_0003_ip4_irb_1(self):
+ """ ACL IPv4 routed -> bridged, L2 ACL deny"""
+ self.run_test_ip46_routed_to_bridged(True, False, False,
+ self.WITHOUT_EH)
+
+ def test_0004_ip4_irb_1(self):
+ """ ACL IPv4 routed -> bridged, L3 ACL deny"""
+ self.run_test_ip46_routed_to_bridged(False, False, False,
+ self.WITHOUT_EH)
+
+ def test_0005_ip6_irb_1(self):
+ """ ACL IPv6 bridged -> routed, L2 ACL deny """
+ self.run_test_ip46_bridged_to_routed(True, True, False,
+ self.WITHOUT_EH)
+
+ def test_0006_ip6_irb_1(self):
+ """ ACL IPv6 bridged -> routed, L3 ACL deny """
+ self.run_test_ip46_bridged_to_routed(False, True, False,
+ self.WITHOUT_EH)
+
+ def test_0007_ip6_irb_1(self):
+ """ ACL IPv4 bridged -> routed, L2 ACL deny """
+ self.run_test_ip46_bridged_to_routed(True, False, False,
+ self.WITHOUT_EH)
+
+ def test_0008_ip6_irb_1(self):
+ """ ACL IPv4 bridged -> routed, L3 ACL deny """
+ self.run_test_ip46_bridged_to_routed(False, False, False,
+ self.WITHOUT_EH)
+
+ # Stateful ACL tests
+ def test_0101_ip6_irb_1(self):
+ """ ACL IPv6 routed -> bridged, L2 ACL permit+reflect"""
+ self.run_test_ip46_routed_to_bridged_and_back(True, True,
+ self.WITHOUT_EH)
+
+ def test_0102_ip6_irb_1(self):
+ """ ACL IPv6 bridged -> routed, L2 ACL permit+reflect"""
+ self.run_test_ip46_bridged_to_routed_and_back(True, True,
+ self.WITHOUT_EH)
+
+ def test_0103_ip6_irb_1(self):
+ """ ACL IPv4 routed -> bridged, L2 ACL permit+reflect"""
+ self.run_test_ip46_routed_to_bridged_and_back(True, False,
+ self.WITHOUT_EH)
+
+ def test_0104_ip6_irb_1(self):
+ """ ACL IPv4 bridged -> routed, L2 ACL permit+reflect"""
+ self.run_test_ip46_bridged_to_routed_and_back(True, False,
+ self.WITHOUT_EH)
+
+ def test_0111_ip6_irb_1(self):
+ """ ACL IPv6 routed -> bridged, L3 ACL permit+reflect"""
+ self.run_test_ip46_routed_to_bridged_and_back(False, True,
+ self.WITHOUT_EH)
+
+ def test_0112_ip6_irb_1(self):
+ """ ACL IPv6 bridged -> routed, L3 ACL permit+reflect"""
+ self.run_test_ip46_bridged_to_routed_and_back(False, True,
+ self.WITHOUT_EH)
+
+ def test_0113_ip6_irb_1(self):
+ """ ACL IPv4 routed -> bridged, L3 ACL permit+reflect"""
+ self.run_test_ip46_routed_to_bridged_and_back(False, False,
+ self.WITHOUT_EH)
+
+ def test_0114_ip6_irb_1(self):
+ """ ACL IPv4 bridged -> routed, L3 ACL permit+reflect"""
+ self.run_test_ip46_bridged_to_routed_and_back(False, False,
+ self.WITHOUT_EH)
+
+ # A block of tests with extension headers
+
+ def test_1001_ip6_irb_1(self):
+ """ ACL IPv6+EH routed -> bridged, L2 ACL deny"""
+ self.run_test_ip46_routed_to_bridged(True, True, False,
+ self.WITH_EH)
+
+ def test_1002_ip6_irb_1(self):
+ """ ACL IPv6+EH routed -> bridged, L3 ACL deny"""
+ self.run_test_ip46_routed_to_bridged(False, True, False,
+ self.WITH_EH)
+
+ def test_1005_ip6_irb_1(self):
+ """ ACL IPv6+EH bridged -> routed, L2 ACL deny """
+ self.run_test_ip46_bridged_to_routed(True, True, False,
+ self.WITH_EH)
+
+ def test_1006_ip6_irb_1(self):
+ """ ACL IPv6+EH bridged -> routed, L3 ACL deny """
+ self.run_test_ip46_bridged_to_routed(False, True, False,
+ self.WITH_EH)
+
+ def test_1101_ip6_irb_1(self):
+ """ ACL IPv6+EH routed -> bridged, L2 ACL permit+reflect"""
+ self.run_test_ip46_routed_to_bridged_and_back(True, True,
+ self.WITH_EH)
+
+ def test_1102_ip6_irb_1(self):
+ """ ACL IPv6+EH bridged -> routed, L2 ACL permit+reflect"""
+ self.run_test_ip46_bridged_to_routed_and_back(True, True,
+ self.WITH_EH)
+
+ def test_1111_ip6_irb_1(self):
+ """ ACL IPv6+EH routed -> bridged, L3 ACL permit+reflect"""
+ self.run_test_ip46_routed_to_bridged_and_back(False, True,
+ self.WITH_EH)
+
+ def test_1112_ip6_irb_1(self):
+ """ ACL IPv6+EH bridged -> routed, L3 ACL permit+reflect"""
+ self.run_test_ip46_bridged_to_routed_and_back(False, True,
+ self.WITH_EH)
+
+ # IPv4 with "MF" bit set
+
+ def test_1201_ip6_irb_1(self):
+ """ ACL IPv4+MF routed -> bridged, L2 ACL deny"""
+ self.run_test_ip46_routed_to_bridged(True, False, False,
+ self.WITH_EH)
+
+ def test_1202_ip6_irb_1(self):
+ """ ACL IPv4+MF routed -> bridged, L3 ACL deny"""
+ self.run_test_ip46_routed_to_bridged(False, False, False,
+ self.WITH_EH)
+
+ def test_1205_ip6_irb_1(self):
+ """ ACL IPv4+MF bridged -> routed, L2 ACL deny """
+ self.run_test_ip46_bridged_to_routed(True, False, False,
+ self.WITH_EH)
+
+ def test_1206_ip6_irb_1(self):
+ """ ACL IPv4+MF bridged -> routed, L3 ACL deny """
+ self.run_test_ip46_bridged_to_routed(False, False, False,
+ self.WITH_EH)
+
+ def test_1301_ip6_irb_1(self):
+ """ ACL IPv4+MF routed -> bridged, L2 ACL permit+reflect"""
+ self.run_test_ip46_routed_to_bridged_and_back(True, False,
+ self.WITH_EH)
+
+ def test_1302_ip6_irb_1(self):
+ """ ACL IPv4+MF bridged -> routed, L2 ACL permit+reflect"""
+ self.run_test_ip46_bridged_to_routed_and_back(True, False,
+ self.WITH_EH)
+
+ def test_1311_ip6_irb_1(self):
+ """ ACL IPv4+MF routed -> bridged, L3 ACL permit+reflect"""
+ self.run_test_ip46_routed_to_bridged_and_back(False, False,
+ self.WITH_EH)
+
+ def test_1312_ip6_irb_1(self):
+ """ ACL IPv4+MF bridged -> routed, L3 ACL permit+reflect"""
+ self.run_test_ip46_bridged_to_routed_and_back(False, False,
+ self.WITH_EH)
+ # Stateful ACL tests with stateful ICMP
+
+ def test_1401_ip6_irb_1(self):
+ """ IPv6 routed -> bridged, L2 ACL permit+reflect, ICMP reflect"""
+ self.run_test_ip46_routed_to_bridged_and_back(True, True,
+ self.WITHOUT_EH,
+ self.STATEFUL_ICMP)
+
+ def test_1402_ip6_irb_1(self):
+ """ IPv6 bridged -> routed, L2 ACL permit+reflect, ICMP reflect"""
+ self.run_test_ip46_bridged_to_routed_and_back(True, True,
+ self.WITHOUT_EH,
+ self.STATEFUL_ICMP)
+
+ def test_1403_ip4_irb_1(self):
+ """ IPv4 routed -> bridged, L2 ACL permit+reflect, ICMP reflect"""
+ self.run_test_ip46_routed_to_bridged_and_back(True, False,
+ self.WITHOUT_EH,
+ self.STATEFUL_ICMP)
+
+ def test_1404_ip4_irb_1(self):
+ """ IPv4 bridged -> routed, L2 ACL permit+reflect, ICMP reflect"""
+ self.run_test_ip46_bridged_to_routed_and_back(True, False,
+ self.WITHOUT_EH,
+ self.STATEFUL_ICMP)
+
+ def test_1411_ip6_irb_1(self):
+ """ IPv6 routed -> bridged, L3 ACL permit+reflect, ICMP reflect"""
+ self.run_test_ip46_routed_to_bridged_and_back(False, True,
+ self.WITHOUT_EH,
+ self.STATEFUL_ICMP)
+
+ def test_1412_ip6_irb_1(self):
+ """ IPv6 bridged -> routed, L3 ACL permit+reflect, ICMP reflect"""
+ self.run_test_ip46_bridged_to_routed_and_back(False, True,
+ self.WITHOUT_EH,
+ self.STATEFUL_ICMP)
+
+ def test_1413_ip4_irb_1(self):
+ """ IPv4 routed -> bridged, L3 ACL permit+reflect, ICMP reflect"""
+ self.run_test_ip46_routed_to_bridged_and_back(False, False,
+ self.WITHOUT_EH,
+ self.STATEFUL_ICMP)
+
+ def test_1414_ip4_irb_1(self):
+ """ IPv4 bridged -> routed, L3 ACL permit+reflect, ICMP reflect"""
+ self.run_test_ip46_bridged_to_routed_and_back(False, False,
+ self.WITHOUT_EH,
+ self.STATEFUL_ICMP)
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/src/plugins/acl/test/test_acl_plugin_macip.py b/src/plugins/acl/test/test_acl_plugin_macip.py
new file mode 100644
index 00000000000..41735251792
--- /dev/null
+++ b/src/plugins/acl/test/test_acl_plugin_macip.py
@@ -0,0 +1,1295 @@
+#!/usr/bin/env python
+from __future__ import print_function
+"""ACL plugin - MACIP tests
+"""
+import binascii
+import ipaddress
+import random
+from socket import inet_ntop, inet_pton, AF_INET, AF_INET6
+from struct import pack, unpack
+import re
+import unittest
+
+import scapy.compat
+from scapy.packet import Raw
+from scapy.layers.l2 import Ether
+from scapy.layers.inet import IP, UDP
+from scapy.layers.inet6 import IPv6
+
+from framework import VppTestCase, VppTestRunner, running_extended_tests
+from vpp_lo_interface import VppLoInterface
+from vpp_l2 import L2_PORT_TYPE
+from vpp_sub_interface import L2_VTR_OP, VppSubInterface, VppDot1QSubint, \
+ VppDot1ADSubint
+
+
+class MethodHolder(VppTestCase):
+ DEBUG = False
+
+ BRIDGED = True
+ ROUTED = False
+
+ IS_IP4 = False
+ IS_IP6 = True
+
+ DOT1AD = "dot1ad"
+ DOT1Q = "dot1q"
+ PERMIT_TAGS = True
+ DENY_TAGS = False
+
+ # rule types
+ DENY = 0
+ PERMIT = 1
+
+ # ACL types
+ EXACT_IP = 1
+ SUBNET_IP = 2
+ WILD_IP = 3
+
+ EXACT_MAC = 1
+ WILD_MAC = 2
+ OUI_MAC = 3
+
+ ACLS = []
+
+ @classmethod
+ def setUpClass(cls):
+ """
+ Perform standard class setup (defined by class method setUpClass in
+ class VppTestCase) before running the test case, set test case related
+ variables and configure VPP.
+ """
+ super(MethodHolder, cls).setUpClass()
+
+ cls.pg_if_packet_sizes = [64, 512, 1518, 9018] # packet sizes
+ cls.bd_id = 111
+ cls.remote_hosts_count = 200
+
+ try:
+ # create 4 pg interfaces, 1 loopback interface
+ cls.create_pg_interfaces(range(4))
+ cls.create_loopback_interfaces(1)
+
+ # create 2 subinterfaces
+ cls.subifs = [
+ VppDot1QSubint(cls, cls.pg1, 10),
+ VppDot1ADSubint(cls, cls.pg2, 20, 300, 400),
+ VppDot1QSubint(cls, cls.pg3, 30),
+ VppDot1ADSubint(cls, cls.pg3, 40, 600, 700)]
+
+ cls.subifs[0].set_vtr(L2_VTR_OP.L2_POP_1,
+ inner=10, push1q=1)
+ cls.subifs[1].set_vtr(L2_VTR_OP.L2_POP_2,
+ outer=300, inner=400, push1q=1)
+ cls.subifs[2].set_vtr(L2_VTR_OP.L2_POP_1,
+ inner=30, push1q=1)
+ cls.subifs[3].set_vtr(L2_VTR_OP.L2_POP_2,
+ outer=600, inner=700, push1q=1)
+
+ cls.interfaces = list(cls.pg_interfaces)
+ cls.interfaces.extend(cls.lo_interfaces)
+ cls.interfaces.extend(cls.subifs)
+
+ for i in cls.interfaces:
+ i.admin_up()
+
+ # Create BD with MAC learning enabled and put interfaces to this BD
+ cls.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=cls.loop0.sw_if_index, bd_id=cls.bd_id,
+ port_type=L2_PORT_TYPE.BVI)
+ cls.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=cls.pg0.sw_if_index, bd_id=cls.bd_id)
+ cls.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=cls.pg1.sw_if_index, bd_id=cls.bd_id)
+ cls.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=cls.subifs[0].sw_if_index, bd_id=cls.bd_id)
+ cls.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=cls.subifs[1].sw_if_index, bd_id=cls.bd_id)
+
+ # Configure IPv4/6 addresses on loop interface and routed interface
+ cls.loop0.config_ip4()
+ cls.loop0.config_ip6()
+ cls.pg2.config_ip4()
+ cls.pg2.config_ip6()
+ cls.pg3.config_ip4()
+ cls.pg3.config_ip6()
+
+ # Configure MAC address binding to IPv4 neighbors on loop0
+ cls.loop0.generate_remote_hosts(cls.remote_hosts_count)
+ # Modify host mac addresses to have different OUI parts
+ for i in range(2, cls.remote_hosts_count + 2):
+ mac = cls.loop0.remote_hosts[i-2]._mac.split(':')
+ mac[2] = format(int(mac[2], 16) + i, "02x")
+ cls.loop0.remote_hosts[i - 2]._mac = ":".join(mac)
+
+ cls.loop0.configure_ipv4_neighbors()
+ cls.loop0.configure_ipv6_neighbors()
+
+ # configure MAC address on pg3
+ cls.pg3.resolve_arp()
+ cls.pg3.resolve_ndp()
+
+ # configure MAC address on subifs
+ for i in cls.subifs:
+ i.config_ip4()
+ i.resolve_arp()
+ i.config_ip6()
+
+ # configure MAC address on pg2
+ cls.pg2.resolve_arp()
+ cls.pg2.resolve_ndp()
+
+ # Loopback BVI interface has remote hosts
+ # one half of hosts are behind pg0 second behind pg1,pg2,pg3 subifs
+ cls.pg0.remote_hosts = cls.loop0.remote_hosts[:100]
+ cls.subifs[0].remote_hosts = cls.loop0.remote_hosts[100:125]
+ cls.subifs[1].remote_hosts = cls.loop0.remote_hosts[125:150]
+ cls.subifs[2].remote_hosts = cls.loop0.remote_hosts[150:175]
+ cls.subifs[3].remote_hosts = cls.loop0.remote_hosts[175:]
+
+ except Exception:
+ super(MethodHolder, cls).tearDownClass()
+ raise
+
+ @classmethod
+ def tearDownClass(cls):
+ super(MethodHolder, cls).tearDownClass()
+
+ def setUp(self):
+ super(MethodHolder, self).setUp()
+ self.reset_packet_infos()
+ del self.ACLS[:]
+
+ def tearDown(self):
+ super(MethodHolder, self).tearDown()
+ self.delete_acls()
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.ppcli("show interface address"))
+ self.logger.info(self.vapi.ppcli("show hardware"))
+ self.logger.info(self.vapi.ppcli("sh acl-plugin macip acl"))
+ self.logger.info(self.vapi.ppcli("sh acl-plugin macip interface"))
+ self.logger.info(self.vapi.ppcli("sh classify tables verbose"))
+ self.logger.info(self.vapi.ppcli("sh acl-plugin acl"))
+ self.logger.info(self.vapi.ppcli("sh acl-plugin interface"))
+ self.logger.info(self.vapi.ppcli("sh acl-plugin tables"))
+ # print(self.vapi.ppcli("show interface address"))
+ # print(self.vapi.ppcli("show hardware"))
+ # print(self.vapi.ppcli("sh acl-plugin macip interface"))
+ # print(self.vapi.ppcli("sh acl-plugin macip acl"))
+
+ def macip_acl_dump_debug(self):
+ acls = self.vapi.macip_acl_dump()
+ if self.DEBUG:
+ for acl in acls:
+ print("ACL #"+str(acl.acl_index))
+ for r in acl.r:
+ rule = "ACTION"
+ if r.is_permit == 1:
+ rule = "PERMIT"
+ elif r.is_permit == 0:
+ rule = "DENY "
+ print(" IP6" if r.is_ipv6 else " IP4",
+ rule,
+ binascii.hexlify(r.src_mac),
+ binascii.hexlify(r.src_mac_mask),
+ unpack('<16B', r.src_ip_addr),
+ r.src_ip_prefix_len)
+ return acls
+
+ def create_rules(self, mac_type=EXACT_MAC, ip_type=EXACT_IP,
+ acl_count=1, rules_count=None):
+ acls = []
+ if rules_count is None:
+ rules_count = [1]
+ src_mac = int("220000dead00", 16)
+ for acl in range(2, (acl_count+1) * 2):
+ rules = []
+ host = random.choice(self.loop0.remote_hosts)
+ is_ip6 = acl % 2
+ ip4 = host.ip4.split('.')
+ ip6 = list(unpack('<16B', inet_pton(AF_INET6, host.ip6)))
+
+ if ip_type == self.EXACT_IP:
+ prefix_len4 = 32
+ prefix_len6 = 128
+ elif ip_type == self.WILD_IP:
+ ip4 = [0, 0, 0, 0]
+ ip6 = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
+ prefix_len4 = 0
+ prefix_len6 = 0
+ rules_count[(acl / 2) - 1] = 1
+ else:
+ prefix_len4 = 24
+ prefix_len6 = 64
+
+ if mac_type == self.EXACT_MAC:
+ mask = "ff:ff:ff:ff:ff:ff"
+ elif mac_type == self.WILD_MAC:
+ mask = "00:00:00:00:00:00"
+ elif mac_type == self.OUI_MAC:
+ mask = "ff:ff:ff:00:00:00"
+ else:
+ mask = "ff:ff:ff:ff:ff:00"
+
+ ip = ip6 if is_ip6 else ip4
+ ip_len = prefix_len6 if is_ip6 else prefix_len4
+
+ for i in range(0, rules_count[(acl / 2) - 1]):
+ src_mac += 16777217
+ if mac_type == self.WILD_MAC:
+ mac = "00:00:00:00:00:00"
+ elif mac_type == self.OUI_MAC:
+ mac = ':'.join(re.findall('..', '{:02x}'.format(
+ src_mac))[:3])+":00:00:00"
+ else:
+ mac = ':'.join(re.findall(
+ '..', '{:02x}'.format(src_mac)))
+
+ if ip_type == self.EXACT_IP:
+ ip4[3] = random.randint(100, 200)
+ ip6[15] = random.randint(100, 200)
+ elif ip_type == self.SUBNET_IP:
+ ip4[2] = random.randint(100, 200)
+ ip4[3] = 0
+ ip6[8] = random.randint(100, 200)
+ ip6[15] = 0
+ ip_pack = b''
+ for j in range(0, len(ip)):
+ ip_pack += pack('<B', int(ip[j]))
+
+ rule = ({'is_permit': self.PERMIT,
+ 'is_ipv6': is_ip6,
+ 'src_ip_addr': ip_pack,
+ 'src_ip_prefix_len': ip_len,
+ 'src_mac': binascii.unhexlify(mac.replace(':', '')),
+ 'src_mac_mask': binascii.unhexlify(
+ mask.replace(':', ''))})
+ rules.append(rule)
+ if ip_type == self.WILD_IP:
+ break
+
+ acls.append(rules)
+ src_mac += 1099511627776
+ return acls
+
+ def apply_macip_rules(self, acls):
+ for acl in acls:
+ reply = self.vapi.macip_acl_add(acl)
+ self.assertEqual(reply.retval, 0)
+ self.ACLS.append(reply.acl_index)
+
+ def verify_macip_acls(self, acl_count, rules_count, expected_count=2):
+ reply = self.macip_acl_dump_debug()
+ for acl in range(2, (acl_count+1) * 2):
+ self.assertEqual(reply[acl - 2].count, rules_count[acl//2-1])
+
+ self.vapi.macip_acl_interface_get()
+
+ self.vapi.macip_acl_interface_add_del(sw_if_index=0, acl_index=0)
+ self.vapi.macip_acl_interface_add_del(sw_if_index=1, acl_index=1)
+
+ reply = self.vapi.macip_acl_interface_get()
+ self.assertEqual(reply.count, expected_count)
+
+ def delete_acls(self):
+ for acl in range(len(self.ACLS)-1, -1, -1):
+ self.vapi.macip_acl_del(self.ACLS[acl])
+
+ reply = self.vapi.macip_acl_dump()
+ self.assertEqual(len(reply), 0)
+
+ intf_acls = self.vapi.acl_interface_list_dump()
+ for i_a in intf_acls:
+ sw_if_index = i_a.sw_if_index
+ for acl_index in i_a.acls:
+ self.vapi.acl_interface_add_del(sw_if_index, acl_index, 0)
+ self.vapi.acl_del(acl_index)
+
+ def create_stream(self, mac_type, ip_type, packet_count,
+ src_if, dst_if, traffic, is_ip6, tags=PERMIT_TAGS):
+ # exact MAC and exact IP
+ # exact MAC and subnet of IPs
+ # exact MAC and wildcard IP
+ # wildcard MAC and exact IP
+ # wildcard MAC and subnet of IPs
+ # wildcard MAC and wildcard IP
+ # OUI restricted MAC and exact IP
+ # OUI restricted MAC and subnet of IPs
+ # OUI restricted MAC and wildcard IP
+
+ packets = []
+ macip_rules = []
+ acl_rules = []
+ ip_permit = ""
+ mac_permit = ""
+ dst_mac = ""
+ mac_rule = "00:00:00:00:00:00"
+ mac_mask = "00:00:00:00:00:00"
+ for p in range(0, packet_count):
+ remote_dst_index = p % len(dst_if.remote_hosts)
+ remote_dst_host = dst_if.remote_hosts[remote_dst_index]
+
+ dst_port = 1234 + p
+ src_port = 4321 + p
+ is_permit = self.PERMIT if p % 3 == 0 else self.DENY
+ denyMAC = True if not is_permit and p % 3 == 1 else False
+ denyIP = True if not is_permit and p % 3 == 2 else False
+ if not is_permit and ip_type == self.WILD_IP:
+ denyMAC = True
+ if not is_permit and mac_type == self.WILD_MAC:
+ denyIP = True
+
+ if traffic == self.BRIDGED:
+ if is_permit:
+ src_mac = remote_dst_host._mac
+ dst_mac = 'de:ad:00:00:00:00'
+ src_ip4 = remote_dst_host.ip4
+ dst_ip4 = src_if.remote_ip4
+ src_ip6 = remote_dst_host.ip6
+ dst_ip6 = src_if.remote_ip6
+ ip_permit = src_ip6 if is_ip6 else src_ip4
+ mac_permit = src_mac
+ if denyMAC:
+ mac = src_mac.split(':')
+ mac[0] = format(int(mac[0], 16)+1, "02x")
+ src_mac = ":".join(mac)
+ if is_ip6:
+ src_ip6 = ip_permit
+ else:
+ src_ip4 = ip_permit
+ if denyIP:
+ if ip_type != self.WILD_IP:
+ src_mac = mac_permit
+ src_ip4 = remote_dst_host.ip4
+ dst_ip4 = src_if.remote_ip4
+ src_ip6 = remote_dst_host.ip6
+ dst_ip6 = src_if.remote_ip6
+ else:
+ if is_permit:
+ src_mac = remote_dst_host._mac
+ dst_mac = src_if.local_mac
+ src_ip4 = src_if.remote_ip4
+ dst_ip4 = remote_dst_host.ip4
+ src_ip6 = src_if.remote_ip6
+ dst_ip6 = remote_dst_host.ip6
+ ip_permit = src_ip6 if is_ip6 else src_ip4
+ mac_permit = src_mac
+ if denyMAC:
+ mac = src_mac.split(':')
+ mac[0] = format(int(mac[0], 16) + 1, "02x")
+ src_mac = ":".join(mac)
+ if is_ip6:
+ src_ip6 = ip_permit
+ else:
+ src_ip4 = ip_permit
+ if denyIP:
+ src_mac = remote_dst_host._mac
+ if ip_type != self.WILD_IP:
+ src_mac = mac_permit
+ src_ip4 = remote_dst_host.ip4
+ dst_ip4 = src_if.remote_ip4
+ src_ip6 = remote_dst_host.ip6
+ dst_ip6 = src_if.remote_ip6
+
+ if is_permit:
+ info = self.create_packet_info(src_if, dst_if)
+ payload = self.info_to_payload(info)
+ else:
+ payload = "to be blocked"
+
+ if mac_type == self.WILD_MAC:
+ mac = src_mac.split(':')
+ for i in range(1, 5):
+ mac[i] = format(random.randint(0, 255), "02x")
+ src_mac = ":".join(mac)
+
+ # create packet
+ packet = Ether(src=src_mac, dst=dst_mac)
+ ip_rule = src_ip6 if is_ip6 else src_ip4
+ if is_ip6:
+ if ip_type != self.EXACT_IP:
+ sub_ip = list(unpack('<16B', inet_pton(AF_INET6, ip_rule)))
+ if ip_type == self.WILD_IP:
+ sub_ip[0] = random.randint(240, 254)
+ sub_ip[1] = random.randint(230, 239)
+ sub_ip[14] = random.randint(100, 199)
+ sub_ip[15] = random.randint(200, 255)
+ elif ip_type == self.SUBNET_IP:
+ if denyIP:
+ sub_ip[2] = int(sub_ip[2]) + 1
+ sub_ip[14] = random.randint(100, 199)
+ sub_ip[15] = random.randint(200, 255)
+ packed_src_ip6 = b''.join(
+ [scapy.compat.chb(x) for x in sub_ip])
+ src_ip6 = inet_ntop(AF_INET6, packed_src_ip6)
+ packet /= IPv6(src=src_ip6, dst=dst_ip6)
+ else:
+ if ip_type != self.EXACT_IP:
+ sub_ip = ip_rule.split('.')
+ if ip_type == self.WILD_IP:
+ sub_ip[0] = random.randint(1, 49)
+ sub_ip[1] = random.randint(50, 99)
+ sub_ip[2] = random.randint(100, 199)
+ sub_ip[3] = random.randint(200, 255)
+ elif ip_type == self.SUBNET_IP:
+ if denyIP:
+ sub_ip[1] = int(sub_ip[1])+1
+ sub_ip[2] = random.randint(100, 199)
+ sub_ip[3] = random.randint(200, 255)
+ src_ip4 = '.'.join(['{!s}'.format(x) for x in sub_ip])
+ packet /= IP(src=src_ip4, dst=dst_ip4, frag=0, flags=0)
+
+ packet /= UDP(sport=src_port, dport=dst_port)/Raw(payload)
+
+ packet[Raw].load += b" mac:%s" % scapy.compat.raw(src_mac)
+
+ size = self.pg_if_packet_sizes[p % len(self.pg_if_packet_sizes)]
+ if isinstance(src_if, VppSubInterface):
+ size = size + 4
+ if isinstance(src_if, VppDot1QSubint):
+ if src_if is self.subifs[0]:
+ if tags == self.PERMIT_TAGS:
+ packet = src_if.add_dot1q_layer(packet, 10)
+ else:
+ packet = src_if.add_dot1q_layer(packet, 11)
+ else:
+ if tags == self.PERMIT_TAGS:
+ packet = src_if.add_dot1q_layer(packet, 30)
+ else:
+ packet = src_if.add_dot1q_layer(packet, 33)
+ elif isinstance(src_if, VppDot1ADSubint):
+ if src_if is self.subifs[1]:
+ if tags == self.PERMIT_TAGS:
+ packet = src_if.add_dot1ad_layer(packet, 300, 400)
+ else:
+ packet = src_if.add_dot1ad_layer(packet, 333, 444)
+ else:
+ if tags == self.PERMIT_TAGS:
+ packet = src_if.add_dot1ad_layer(packet, 600, 700)
+ else:
+ packet = src_if.add_dot1ad_layer(packet, 666, 777)
+ self.extend_packet(packet, size)
+ packets.append(packet)
+
+ # create suitable MACIP rule
+ if mac_type == self.EXACT_MAC:
+ mac_rule = src_mac
+ mac_mask = "ff:ff:ff:ff:ff:ff"
+ elif mac_type == self.WILD_MAC:
+ mac_rule = "00:00:00:00:00:00"
+ mac_mask = "00:00:00:00:00:00"
+ elif mac_type == self.OUI_MAC:
+ mac = src_mac.split(':')
+ mac[3] = mac[4] = mac[5] = '00'
+ mac_rule = ":".join(mac)
+ mac_mask = "ff:ff:ff:00:00:00"
+
+ if is_ip6:
+ if ip_type == self.WILD_IP:
+ ip = "0::0"
+ else:
+ ip = src_ip6
+ if ip_type == self.SUBNET_IP:
+ sub_ip = list(unpack('<16B', inet_pton(AF_INET6, ip)))
+ for i in range(8, 16):
+ sub_ip[i] = 0
+ packed_ip = b''.join(
+ [scapy.compat.chb(x) for x in sub_ip])
+ ip = inet_ntop(AF_INET6, packed_ip)
+ else:
+ if ip_type == self.WILD_IP:
+ ip = "0.0.0.0"
+ else:
+ ip = src_ip4
+ if ip_type == self.SUBNET_IP:
+ sub_ip = ip.split('.')
+ sub_ip[2] = sub_ip[3] = '0'
+ ip = ".".join(sub_ip)
+
+ prefix_len = 128 if is_ip6 else 32
+ if ip_type == self.WILD_IP:
+ prefix_len = 0
+ elif ip_type == self.SUBNET_IP:
+ prefix_len = 64 if is_ip6 else 16
+ ip_rule = inet_pton(AF_INET6 if is_ip6 else AF_INET, ip)
+
+ # create suitable ACL rule
+ if is_permit:
+ rule_l4_sport = packet[UDP].sport
+ rule_l4_dport = packet[UDP].dport
+ rule_family = AF_INET6 if packet.haslayer(IPv6) else AF_INET
+ rule_prefix_len = 128 if packet.haslayer(IPv6) else 32
+ rule_l3_layer = IPv6 if packet.haslayer(IPv6) else IP
+ if packet.haslayer(IPv6):
+ rule_l4_proto = packet[UDP].overload_fields[IPv6]['nh']
+ else:
+ rule_l4_proto = packet[IP].proto
+
+ acl_rule = {
+ 'is_permit': is_permit,
+ 'is_ipv6': is_ip6,
+ 'src_ip_addr': inet_pton(rule_family,
+ packet[rule_l3_layer].src),
+ 'src_ip_prefix_len': rule_prefix_len,
+ 'dst_ip_addr': inet_pton(rule_family,
+ packet[rule_l3_layer].dst),
+ 'dst_ip_prefix_len': rule_prefix_len,
+ 'srcport_or_icmptype_first': rule_l4_sport,
+ 'srcport_or_icmptype_last': rule_l4_sport,
+ 'dstport_or_icmpcode_first': rule_l4_dport,
+ 'dstport_or_icmpcode_last': rule_l4_dport,
+ 'proto': rule_l4_proto}
+ acl_rules.append(acl_rule)
+
+ if mac_type == self.WILD_MAC and ip_type == self.WILD_IP and p > 0:
+ continue
+
+ if is_permit:
+ macip_rule = ({
+ 'is_permit': is_permit,
+ 'is_ipv6': is_ip6,
+ 'src_ip_addr': ip_rule,
+ 'src_ip_prefix_len': prefix_len,
+ 'src_mac': binascii.unhexlify(mac_rule.replace(':', '')),
+ 'src_mac_mask': binascii.unhexlify(
+ mac_mask.replace(':', ''))})
+ macip_rules.append(macip_rule)
+
+ # deny all other packets
+ if not (mac_type == self.WILD_MAC and ip_type == self.WILD_IP):
+ macip_rule = ({'is_permit': 0,
+ 'is_ipv6': is_ip6,
+ 'src_ip_addr': "",
+ 'src_ip_prefix_len': 0,
+ 'src_mac': "",
+ 'src_mac_mask': ""})
+ macip_rules.append(macip_rule)
+
+ acl_rule = {'is_permit': 0,
+ 'is_ipv6': is_ip6}
+ acl_rules.append(acl_rule)
+ return {'stream': packets,
+ 'macip_rules': macip_rules,
+ 'acl_rules': acl_rules}
+
+ def verify_capture(self, stream, capture, is_ip6):
+ """
+ :param stream:
+ :param capture:
+ :param is_ip6:
+ :return:
+ """
+ # p_l3 = IPv6 if is_ip6 else IP
+ # if self.DEBUG:
+ # for p in stream:
+ # print(p[Ether].src, p[Ether].dst, p[p_l3].src, p[p_l3].dst)
+ #
+ # acls = self.macip_acl_dump_debug()
+
+ # TODO : verify
+ # for acl in acls:
+ # for r in acl.r:
+ # print(binascii.hexlify(r.src_mac), \
+ # binascii.hexlify(r.src_mac_mask),\
+ # unpack('<16B', r.src_ip_addr), \
+ # r.src_ip_prefix_len)
+ #
+ # for p in capture:
+ # print(p[Ether].src, p[Ether].dst, p[p_l3].src, p[p_l3].dst
+ # data = p[Raw].load.split(':',1)[1])
+ # print(p[p_l3].src, data)
+
+ def run_traffic(self, mac_type, ip_type, traffic, is_ip6, packets,
+ do_not_expected_capture=False, tags=None,
+ apply_rules=True, isMACIP=True, permit_tags=PERMIT_TAGS,
+ try_replace=False):
+ self.reset_packet_infos()
+
+ if tags is None:
+ tx_if = self.pg0 if traffic == self.BRIDGED else self.pg3
+ rx_if = self.pg3 if traffic == self.BRIDGED else self.pg0
+ src_if = self.pg3
+ dst_if = self.loop0
+ else:
+ if tags == self.DOT1Q:
+ if traffic == self.BRIDGED:
+ tx_if = self.subifs[0]
+ rx_if = self.pg0
+ src_if = self.subifs[0]
+ dst_if = self.loop0
+ else:
+ tx_if = self.subifs[2]
+ rx_if = self.pg0
+ src_if = self.subifs[2]
+ dst_if = self.loop0
+ elif tags == self.DOT1AD:
+ if traffic == self.BRIDGED:
+ tx_if = self.subifs[1]
+ rx_if = self.pg0
+ src_if = self.subifs[1]
+ dst_if = self.loop0
+ else:
+ tx_if = self.subifs[3]
+ rx_if = self.pg0
+ src_if = self.subifs[3]
+ dst_if = self.loop0
+ else:
+ return
+
+ test_dict = self.create_stream(mac_type, ip_type, packets,
+ src_if, dst_if,
+ traffic, is_ip6,
+ tags=permit_tags)
+
+ if apply_rules:
+ if isMACIP:
+ reply = self.vapi.macip_acl_add(test_dict['macip_rules'])
+ else:
+ reply = self.vapi.acl_add_replace(acl_index=4294967295,
+ r=test_dict['acl_rules'])
+ self.assertEqual(reply.retval, 0)
+ acl_index = reply.acl_index
+
+ if isMACIP:
+ self.vapi.macip_acl_interface_add_del(
+ sw_if_index=tx_if.sw_if_index,
+ acl_index=acl_index)
+ reply = self.vapi.macip_acl_interface_get()
+ self.assertEqual(reply.acls[tx_if.sw_if_index], acl_index)
+ self.ACLS.append(reply.acls[tx_if.sw_if_index])
+ else:
+ self.vapi.acl_interface_add_del(
+ sw_if_index=tx_if.sw_if_index, acl_index=acl_index)
+ else:
+ self.vapi.macip_acl_interface_add_del(
+ sw_if_index=tx_if.sw_if_index,
+ acl_index=0)
+ if try_replace:
+ if isMACIP:
+ reply = self.vapi.macip_acl_add_replace(
+ test_dict['macip_rules'],
+ acl_index)
+ else:
+ reply = self.vapi.acl_add_replace(acl_index=acl_index,
+ r=test_dict['acl_rules'])
+ self.assertEqual(reply.retval, 0)
+
+ if not isinstance(src_if, VppSubInterface):
+ tx_if.add_stream(test_dict['stream'])
+ else:
+ tx_if.parent.add_stream(test_dict['stream'])
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ if do_not_expected_capture:
+ rx_if.get_capture(0)
+ else:
+ if traffic == self.BRIDGED and mac_type == self.WILD_MAC and \
+ ip_type == self.WILD_IP:
+ capture = rx_if.get_capture(packets)
+ else:
+ capture = rx_if.get_capture(
+ self.get_packet_count_for_if_idx(dst_if.sw_if_index))
+ self.verify_capture(test_dict['stream'], capture, is_ip6)
+ if not isMACIP:
+ self.vapi.acl_interface_add_del(sw_if_index=tx_if.sw_if_index,
+ acl_index=acl_index, is_add=0)
+ self.vapi.acl_del(acl_index)
+
+ def run_test_acls(self, mac_type, ip_type, acl_count,
+ rules_count, traffic=None, ip=None):
+ self.apply_macip_rules(self.create_rules(mac_type, ip_type, acl_count,
+ rules_count))
+ self.verify_macip_acls(acl_count, rules_count)
+
+ if traffic is not None:
+ self.run_traffic(self.EXACT_MAC, self.EXACT_IP, traffic, ip, 9)
+
+
+class TestMACIP_IP4(MethodHolder):
+ """MACIP with IP4 traffic"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestMACIP_IP4, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestMACIP_IP4, cls).tearDownClass()
+
+ def test_acl_bridged_ip4_exactMAC_exactIP(self):
+ """ IP4 MACIP exactMAC|exactIP ACL bridged traffic
+ """
+ self.run_traffic(self.EXACT_MAC, self.EXACT_IP,
+ self.BRIDGED, self.IS_IP4, 9)
+
+ def test_acl_bridged_ip4_exactMAC_subnetIP(self):
+ """ IP4 MACIP exactMAC|subnetIP ACL bridged traffic
+ """
+
+ self.run_traffic(self.EXACT_MAC, self.SUBNET_IP,
+ self.BRIDGED, self.IS_IP4, 9)
+
+ def test_acl_bridged_ip4_exactMAC_wildIP(self):
+ """ IP4 MACIP exactMAC|wildIP ACL bridged traffic
+ """
+
+ self.run_traffic(self.EXACT_MAC, self.WILD_IP,
+ self.BRIDGED, self.IS_IP4, 9)
+
+ def test_acl_bridged_ip4_ouiMAC_exactIP(self):
+ """ IP4 MACIP ouiMAC|exactIP ACL bridged traffic
+ """
+
+ self.run_traffic(self.OUI_MAC, self.EXACT_IP,
+ self.BRIDGED, self.IS_IP4, 3)
+
+ def test_acl_bridged_ip4_ouiMAC_subnetIP(self):
+ """ IP4 MACIP ouiMAC|subnetIP ACL bridged traffic
+ """
+
+ self.run_traffic(self.OUI_MAC, self.SUBNET_IP,
+ self.BRIDGED, self.IS_IP4, 9)
+
+ def test_acl_bridged_ip4_ouiMAC_wildIP(self):
+ """ IP4 MACIP ouiMAC|wildIP ACL bridged traffic
+ """
+
+ self.run_traffic(self.OUI_MAC, self.WILD_IP,
+ self.BRIDGED, self.IS_IP4, 9)
+
+ def test_ac_bridgedl_ip4_wildMAC_exactIP(self):
+ """ IP4 MACIP wildcardMAC|exactIP ACL bridged traffic
+ """
+
+ self.run_traffic(self.WILD_MAC, self.EXACT_IP,
+ self.BRIDGED, self.IS_IP4, 9)
+
+ def test_acl_bridged_ip4_wildMAC_subnetIP(self):
+ """ IP4 MACIP wildcardMAC|subnetIP ACL bridged traffic
+ """
+
+ self.run_traffic(self.WILD_MAC, self.SUBNET_IP,
+ self.BRIDGED, self.IS_IP4, 9)
+
+ def test_acl_bridged_ip4_wildMAC_wildIP(self):
+ """ IP4 MACIP wildcardMAC|wildIP ACL bridged traffic
+ """
+
+ self.run_traffic(self.WILD_MAC, self.WILD_IP,
+ self.BRIDGED, self.IS_IP4, 9)
+
+ def test_acl_routed_ip4_exactMAC_exactIP(self):
+ """ IP4 MACIP exactMAC|exactIP ACL routed traffic
+ """
+ self.run_traffic(self.EXACT_MAC, self.EXACT_IP,
+ self.ROUTED, self.IS_IP4, 9)
+
+ def test_acl_routed_ip4_exactMAC_subnetIP(self):
+ """ IP4 MACIP exactMAC|subnetIP ACL routed traffic
+ """
+ self.run_traffic(self.EXACT_MAC, self.SUBNET_IP,
+ self.ROUTED, self.IS_IP4, 9)
+
+ def test_acl_routed_ip4_exactMAC_wildIP(self):
+ """ IP4 MACIP exactMAC|wildIP ACL routed traffic
+ """
+ self.run_traffic(self.EXACT_MAC, self.WILD_IP,
+ self.ROUTED, self.IS_IP4, 9)
+
+ def test_acl_routed_ip4_ouiMAC_exactIP(self):
+ """ IP4 MACIP ouiMAC|exactIP ACL routed traffic
+ """
+
+ self.run_traffic(self.OUI_MAC, self.EXACT_IP,
+ self.ROUTED, self.IS_IP4, 9)
+
+ def test_acl_routed_ip4_ouiMAC_subnetIP(self):
+ """ IP4 MACIP ouiMAC|subnetIP ACL routed traffic
+ """
+
+ self.run_traffic(self.OUI_MAC, self.SUBNET_IP,
+ self.ROUTED, self.IS_IP4, 9)
+
+ def test_acl_routed_ip4_ouiMAC_wildIP(self):
+ """ IP4 MACIP ouiMAC|wildIP ACL routed traffic
+ """
+
+ self.run_traffic(self.OUI_MAC, self.WILD_IP,
+ self.ROUTED, self.IS_IP4, 9)
+
+ def test_acl_routed_ip4_wildMAC_exactIP(self):
+ """ IP4 MACIP wildcardMAC|exactIP ACL routed traffic
+ """
+
+ self.run_traffic(self.WILD_MAC, self.EXACT_IP,
+ self.ROUTED, self.IS_IP4, 9)
+
+ def test_acl_routed_ip4_wildMAC_subnetIP(self):
+ """ IP4 MACIP wildcardMAC|subnetIP ACL routed traffic
+ """
+
+ self.run_traffic(self.WILD_MAC, self.SUBNET_IP,
+ self.ROUTED, self.IS_IP4, 9)
+
+ def test_acl_routed_ip4_wildMAC_wildIP(self):
+ """ IP4 MACIP wildcardMAC|wildIP ACL
+ """
+
+ self.run_traffic(self.WILD_MAC, self.WILD_IP,
+ self.ROUTED, self.IS_IP4, 9)
+
+ def test_acl_replace_traffic_ip4(self):
+ """ MACIP replace ACL with IP4 traffic
+ """
+ self.run_traffic(self.OUI_MAC, self.SUBNET_IP,
+ self.BRIDGED, self.IS_IP4, 9, try_replace=True)
+ self.run_traffic(self.EXACT_MAC, self.EXACT_IP,
+ self.BRIDGED, self.IS_IP4, 9, try_replace=True)
+
+
+class TestMACIP_IP6(MethodHolder):
+ """MACIP with IP6 traffic"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestMACIP_IP6, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestMACIP_IP6, cls).tearDownClass()
+
+ def test_acl_bridged_ip6_exactMAC_exactIP(self):
+ """ IP6 MACIP exactMAC|exactIP ACL bridged traffic
+ """
+
+ self.run_traffic(self.EXACT_MAC, self.EXACT_IP,
+ self.BRIDGED, self.IS_IP6, 9)
+
+ def test_acl_bridged_ip6_exactMAC_subnetIP(self):
+ """ IP6 MACIP exactMAC|subnetIP ACL bridged traffic
+ """
+
+ self.run_traffic(self.EXACT_MAC, self.SUBNET_IP,
+ self.BRIDGED, self.IS_IP6, 9)
+
+ def test_acl_bridged_ip6_exactMAC_wildIP(self):
+ """ IP6 MACIP exactMAC|wildIP ACL bridged traffic
+ """
+
+ self.run_traffic(self.EXACT_MAC, self.WILD_IP,
+ self.BRIDGED, self.IS_IP6, 9)
+
+ def test_acl_bridged_ip6_ouiMAC_exactIP(self):
+ """ IP6 MACIP oui_MAC|exactIP ACL bridged traffic
+ """
+
+ self.run_traffic(self.OUI_MAC, self.EXACT_IP,
+ self.BRIDGED, self.IS_IP6, 9)
+
+ def test_acl_bridged_ip6_ouiMAC_subnetIP(self):
+ """ IP6 MACIP ouiMAC|subnetIP ACL bridged traffic
+ """
+
+ self.run_traffic(self.OUI_MAC, self.SUBNET_IP,
+ self.BRIDGED, self.IS_IP6, 9)
+
+ def test_acl_bridged_ip6_ouiMAC_wildIP(self):
+ """ IP6 MACIP ouiMAC|wildIP ACL bridged traffic
+ """
+
+ self.run_traffic(self.OUI_MAC, self.WILD_IP,
+ self.BRIDGED, self.IS_IP6, 9)
+
+ def test_acl_bridged_ip6_wildMAC_exactIP(self):
+ """ IP6 MACIP wildcardMAC|exactIP ACL bridged traffic
+ """
+
+ self.run_traffic(self.WILD_MAC, self.EXACT_IP,
+ self.BRIDGED, self.IS_IP6, 9)
+
+ def test_acl_bridged_ip6_wildMAC_subnetIP(self):
+ """ IP6 MACIP wildcardMAC|subnetIP ACL bridged traffic
+ """
+
+ self.run_traffic(self.WILD_MAC, self.SUBNET_IP,
+ self.BRIDGED, self.IS_IP6, 9)
+
+ def test_acl_bridged_ip6_wildMAC_wildIP(self):
+ """ IP6 MACIP wildcardMAC|wildIP ACL bridged traffic
+ """
+
+ self.run_traffic(self.WILD_MAC, self.WILD_IP,
+ self.BRIDGED, self.IS_IP6, 9)
+
+ def test_acl_routed_ip6_exactMAC_exactIP(self):
+ """ IP6 MACIP exactMAC|exactIP ACL routed traffic
+ """
+
+ self.run_traffic(self.EXACT_MAC, self.EXACT_IP,
+ self.ROUTED, self.IS_IP6, 9)
+
+ def test_acl_routed_ip6_exactMAC_subnetIP(self):
+ """ IP6 MACIP exactMAC|subnetIP ACL routed traffic
+ """
+
+ self.run_traffic(self.EXACT_MAC, self.SUBNET_IP,
+ self.ROUTED, self.IS_IP6, 9)
+
+ def test_acl_routed_ip6_exactMAC_wildIP(self):
+ """ IP6 MACIP exactMAC|wildIP ACL routed traffic
+ """
+
+ self.run_traffic(self.EXACT_MAC, self.WILD_IP,
+ self.ROUTED, self.IS_IP6, 9)
+
+ def test_acl_routed_ip6_ouiMAC_exactIP(self):
+ """ IP6 MACIP ouiMAC|exactIP ACL routed traffic
+ """
+
+ self.run_traffic(self.OUI_MAC, self.EXACT_IP,
+ self.ROUTED, self.IS_IP6, 9)
+
+ def test_acl_routed_ip6_ouiMAC_subnetIP(self):
+ """ IP6 MACIP ouiMAC|subnetIP ACL routed traffic
+ """
+
+ self.run_traffic(self.OUI_MAC, self.SUBNET_IP,
+ self.ROUTED, self.IS_IP6, 9)
+
+ def test_acl_routed_ip6_ouiMAC_wildIP(self):
+ """ IP6 MACIP ouiMAC|wildIP ACL routed traffic
+ """
+
+ self.run_traffic(self.OUI_MAC, self.WILD_IP,
+ self.ROUTED, self.IS_IP6, 9)
+
+ def test_acl_routed_ip6_wildMAC_exactIP(self):
+ """ IP6 MACIP wildcardMAC|exactIP ACL routed traffic
+ """
+
+ self.run_traffic(self.WILD_MAC, self.EXACT_IP,
+ self.ROUTED, self.IS_IP6, 9)
+
+ def test_acl_routed_ip6_wildMAC_subnetIP(self):
+ """ IP6 MACIP wildcardMAC|subnetIP ACL routed traffic
+ """
+
+ self.run_traffic(self.WILD_MAC, self.SUBNET_IP,
+ self.ROUTED, self.IS_IP6, 9)
+
+ def test_acl_routed_ip6_wildMAC_wildIP(self):
+ """ IP6 MACIP wildcardMAC|wildIP ACL
+ """
+
+ self.run_traffic(self.WILD_MAC, self.WILD_IP,
+ self.ROUTED, self.IS_IP6, 9)
+
+ def test_acl_replace_traffic_ip6(self):
+ """ MACIP replace ACL with IP6 traffic
+ """
+ self.run_traffic(self.OUI_MAC, self.SUBNET_IP,
+ self.BRIDGED, self.IS_IP6, 9, try_replace=True)
+ self.run_traffic(self.EXACT_MAC, self.EXACT_IP,
+ self.BRIDGED, self.IS_IP6, 9, try_replace=True)
+
+
+class TestMACIP(MethodHolder):
+ """MACIP Tests"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestMACIP, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestMACIP, cls).tearDownClass()
+
+ def test_acl_1_2(self):
+ """ MACIP ACL with 2 entries
+ """
+
+ self.run_test_acls(self.EXACT_MAC, self.WILD_IP, 1, [2])
+
+ def test_acl_1_5(self):
+ """ MACIP ACL with 5 entries
+ """
+
+ self.run_test_acls(self.EXACT_MAC, self.SUBNET_IP, 1, [5])
+
+ def test_acl_1_10(self):
+ """ MACIP ACL with 10 entries
+ """
+
+ self.run_test_acls(self.EXACT_MAC, self.EXACT_IP, 1, [10])
+
+ def test_acl_1_20(self):
+ """ MACIP ACL with 20 entries
+ """
+
+ self.run_test_acls(self.OUI_MAC, self.WILD_IP, 1, [20])
+
+ def test_acl_1_50(self):
+ """ MACIP ACL with 50 entries
+ """
+
+ self.run_test_acls(self.OUI_MAC, self.SUBNET_IP, 1, [50])
+
+ def test_acl_1_100(self):
+ """ MACIP ACL with 100 entries
+ """
+
+ self.run_test_acls(self.OUI_MAC, self.EXACT_IP, 1, [100])
+
+ def test_acl_2_X(self):
+ """ MACIP 2 ACLs each with 100+ entries
+ """
+
+ self.run_test_acls(self.OUI_MAC, self.SUBNET_IP, 2, [100, 200])
+
+ def test_acl_10_X(self):
+ """ MACIP 10 ACLs each with 100+ entries
+ """
+
+ self.run_test_acls(self.EXACT_MAC, self.EXACT_IP, 10,
+ [100, 120, 140, 160, 180, 200, 210, 220, 230, 240])
+
+ def test_acl_10_X_traffic_ip4(self):
+ """ MACIP 10 ACLs each with 100+ entries with IP4 traffic
+ """
+
+ self.run_test_acls(self.EXACT_MAC, self.EXACT_IP, 10,
+ [100, 120, 140, 160, 180, 200, 210, 220, 230, 240],
+ self.BRIDGED, self.IS_IP4)
+
+ def test_acl_10_X_traffic_ip6(self):
+ """ MACIP 10 ACLs each with 100+ entries with IP6 traffic
+ """
+
+ self.run_test_acls(self.EXACT_MAC, self.EXACT_IP, 10,
+ [100, 120, 140, 160, 180, 200, 210, 220, 230, 240],
+ self.BRIDGED, self.IS_IP6)
+
+ def test_acl_replace(self):
+ """ MACIP replace ACL
+ """
+
+ r1 = self.create_rules(acl_count=3, rules_count=[2, 2, 2])
+ r2 = self.create_rules(mac_type=self.OUI_MAC, ip_type=self.SUBNET_IP)
+ self.apply_macip_rules(r1)
+
+ acls_before = self.macip_acl_dump_debug()
+
+ # replace acls #2, #3 with new
+ reply = self.vapi.macip_acl_add_replace(r2[0], 2)
+ self.assertEqual(reply.retval, 0)
+ self.assertEqual(reply.acl_index, 2)
+ reply = self.vapi.macip_acl_add_replace(r2[1], 3)
+ self.assertEqual(reply.retval, 0)
+ self.assertEqual(reply.acl_index, 3)
+
+ acls_after = self.macip_acl_dump_debug()
+
+ # verify changes
+ self.assertEqual(len(acls_before), len(acls_after))
+ for acl1, acl2 in zip(
+ acls_before[:2]+acls_before[4:],
+ acls_after[:2]+acls_after[4:]):
+ self.assertEqual(len(acl1), len(acl2))
+
+ self.assertEqual(len(acl1.r), len(acl2.r))
+ for r1, r2 in zip(acl1.r, acl2.r):
+ self.assertEqual(len(acl1.r), len(acl2.r))
+ self.assertEqual(acl1.r, acl2.r)
+ for acl1, acl2 in zip(
+ acls_before[2:4],
+ acls_after[2:4]):
+ self.assertEqual(len(acl1), len(acl2))
+
+ self.assertNotEqual(len(acl1.r), len(acl2.r))
+ for r1, r2 in zip(acl1.r, acl2.r):
+ self.assertNotEqual(len(acl1.r), len(acl2.r))
+ self.assertNotEqual(acl1.r, acl2.r)
+
+ def test_delete_intf(self):
+ """ MACIP ACL delete intf with acl
+ """
+
+ intf_count = len(self.interfaces)+1
+ intf = []
+ self.apply_macip_rules(self.create_rules(acl_count=3,
+ rules_count=[3, 5, 4]))
+
+ intf.append(VppLoInterface(self))
+ intf.append(VppLoInterface(self))
+
+ sw_if_index0 = intf[0].sw_if_index
+ self.vapi.macip_acl_interface_add_del(sw_if_index0, 1)
+
+ reply = self.vapi.macip_acl_interface_get()
+ self.assertEqual(reply.count, intf_count+1)
+ self.assertEqual(reply.acls[sw_if_index0], 1)
+
+ sw_if_index1 = intf[1].sw_if_index
+ self.vapi.macip_acl_interface_add_del(sw_if_index1, 0)
+
+ reply = self.vapi.macip_acl_interface_get()
+ self.assertEqual(reply.count, intf_count+2)
+ self.assertEqual(reply.acls[sw_if_index1], 0)
+
+ intf[0].remove_vpp_config()
+ reply = self.vapi.macip_acl_interface_get()
+ self.assertEqual(reply.count, intf_count+2)
+ self.assertEqual(reply.acls[sw_if_index0], 4294967295)
+ self.assertEqual(reply.acls[sw_if_index1], 0)
+
+ intf.append(VppLoInterface(self))
+ intf.append(VppLoInterface(self))
+ sw_if_index2 = intf[2].sw_if_index
+ sw_if_index3 = intf[3].sw_if_index
+ self.vapi.macip_acl_interface_add_del(sw_if_index2, 1)
+ self.vapi.macip_acl_interface_add_del(sw_if_index3, 1)
+
+ reply = self.vapi.macip_acl_interface_get()
+ self.assertEqual(reply.count, intf_count+3)
+ self.assertEqual(reply.acls[sw_if_index1], 0)
+ self.assertEqual(reply.acls[sw_if_index2], 1)
+ self.assertEqual(reply.acls[sw_if_index3], 1)
+ self.logger.info("MACIP ACL on multiple interfaces:")
+ self.logger.info(self.vapi.ppcli("sh acl-plugin macip acl"))
+ self.logger.info(self.vapi.ppcli("sh acl-plugin macip acl index 1234"))
+ self.logger.info(self.vapi.ppcli("sh acl-plugin macip acl index 1"))
+ self.logger.info(self.vapi.ppcli("sh acl-plugin macip acl index 0"))
+ self.logger.info(self.vapi.ppcli("sh acl-plugin macip interface"))
+
+ intf[2].remove_vpp_config()
+ intf[1].remove_vpp_config()
+
+ reply = self.vapi.macip_acl_interface_get()
+ self.assertEqual(reply.count, intf_count+3)
+ self.assertEqual(reply.acls[sw_if_index0], 4294967295)
+ self.assertEqual(reply.acls[sw_if_index1], 4294967295)
+ self.assertEqual(reply.acls[sw_if_index2], 4294967295)
+ self.assertEqual(reply.acls[sw_if_index3], 1)
+
+ intf[3].remove_vpp_config()
+ reply = self.vapi.macip_acl_interface_get()
+
+ self.assertEqual(len([x for x in reply.acls if x != 4294967295]), 0)
+
+
+class TestACL_dot1q_bridged(MethodHolder):
+ """ACL on dot1q bridged subinterfaces Tests"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestACL_dot1q_bridged, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestACL_dot1q_bridged, cls).tearDownClass()
+
+ def test_acl_bridged_ip4_subif_dot1q(self):
+ """ IP4 ACL SubIf Dot1Q bridged traffic"""
+ self.run_traffic(self.EXACT_MAC, self.EXACT_IP, self.BRIDGED,
+ self.IS_IP4, 9, tags=self.DOT1Q, isMACIP=False)
+
+ def test_acl_bridged_ip6_subif_dot1q(self):
+ """ IP6 ACL SubIf Dot1Q bridged traffic"""
+ self.run_traffic(self.EXACT_MAC, self.EXACT_IP, self.BRIDGED,
+ self.IS_IP6, 9, tags=self.DOT1Q, isMACIP=False)
+
+
+class TestACL_dot1ad_bridged(MethodHolder):
+ """ACL on dot1ad bridged subinterfaces Tests"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestACL_dot1ad_bridged, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestACL_dot1ad_bridged, cls).tearDownClass()
+
+ def test_acl_bridged_ip4_subif_dot1ad(self):
+ """ IP4 ACL SubIf Dot1AD bridged traffic"""
+ self.run_traffic(self.EXACT_MAC, self.EXACT_IP, self.BRIDGED,
+ self.IS_IP4, 9, tags=self.DOT1AD, isMACIP=False)
+
+ def test_acl_bridged_ip6_subif_dot1ad(self):
+ """ IP6 ACL SubIf Dot1AD bridged traffic"""
+ self.run_traffic(self.EXACT_MAC, self.EXACT_IP, self.BRIDGED,
+ self.IS_IP6, 9, tags=self.DOT1AD, isMACIP=False)
+
+
+class TestACL_dot1q_routed(MethodHolder):
+ """ACL on dot1q routed subinterfaces Tests"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestACL_dot1q_routed, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestACL_dot1q_routed, cls).tearDownClass()
+
+ def test_acl_routed_ip4_subif_dot1q(self):
+ """ IP4 ACL SubIf Dot1Q routed traffic"""
+ self.run_traffic(self.EXACT_MAC, self.EXACT_IP, self.ROUTED,
+ self.IS_IP4, 9, tags=self.DOT1Q, isMACIP=False)
+
+ def test_acl_routed_ip6_subif_dot1q(self):
+ """ IP6 ACL SubIf Dot1Q routed traffic"""
+ self.run_traffic(self.EXACT_MAC, self.EXACT_IP, self.ROUTED,
+ self.IS_IP6, 9, tags=self.DOT1Q, isMACIP=False)
+
+ def test_acl_routed_ip4_subif_dot1q_deny_by_tags(self):
+ """ IP4 ACL SubIf wrong tags Dot1Q routed traffic"""
+ self.run_traffic(self.EXACT_MAC, self.EXACT_IP, self.ROUTED,
+ self.IS_IP4, 9, True, tags=self.DOT1Q, isMACIP=False,
+ permit_tags=self.DENY_TAGS)
+
+ def test_acl_routed_ip6_subif_dot1q_deny_by_tags(self):
+ """ IP6 ACL SubIf wrong tags Dot1Q routed traffic"""
+ self.run_traffic(self.EXACT_MAC, self.EXACT_IP, self.ROUTED,
+ self.IS_IP6, 9, True, tags=self.DOT1Q, isMACIP=False,
+ permit_tags=self.DENY_TAGS)
+
+
+class TestACL_dot1ad_routed(MethodHolder):
+ """ACL on dot1ad routed subinterfaces Tests"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestACL_dot1ad_routed, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestACL_dot1ad_routed, cls).tearDownClass()
+
+ def test_acl_routed_ip6_subif_dot1ad(self):
+ """ IP6 ACL SubIf Dot1AD routed traffic"""
+ self.run_traffic(self.EXACT_MAC, self.EXACT_IP, self.ROUTED,
+ self.IS_IP6, 9, tags=self.DOT1AD, isMACIP=False)
+
+ def test_acl_routed_ip4_subif_dot1ad(self):
+ """ IP4 ACL SubIf Dot1AD routed traffic"""
+ self.run_traffic(self.EXACT_MAC, self.EXACT_IP, self.ROUTED,
+ self.IS_IP4, 9, tags=self.DOT1AD, isMACIP=False)
+
+ def test_acl_routed_ip6_subif_dot1ad_deny_by_tags(self):
+ """ IP6 ACL SubIf wrong tags Dot1AD routed traffic"""
+ self.run_traffic(self.EXACT_MAC, self.EXACT_IP, self.ROUTED,
+ self.IS_IP6, 9, True, tags=self.DOT1AD, isMACIP=False,
+ permit_tags=self.DENY_TAGS)
+
+ def test_acl_routed_ip4_subif_dot1ad_deny_by_tags(self):
+ """ IP4 ACL SubIf wrong tags Dot1AD routed traffic"""
+ self.run_traffic(self.EXACT_MAC, self.EXACT_IP, self.ROUTED,
+ self.IS_IP4, 9, True, tags=self.DOT1AD, isMACIP=False,
+ permit_tags=self.DENY_TAGS)
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/src/plugins/acl/test/test_classify_l2_acl.py b/src/plugins/acl/test/test_classify_l2_acl.py
new file mode 100644
index 00000000000..8ba7181aef1
--- /dev/null
+++ b/src/plugins/acl/test/test_classify_l2_acl.py
@@ -0,0 +1,689 @@
+#!/usr/bin/env python
+""" Classifier-based L2 ACL Test Case HLD:
+"""
+
+import unittest
+import random
+import binascii
+import socket
+
+
+from scapy.packet import Raw
+from scapy.data import ETH_P_IP
+from scapy.layers.l2 import Ether
+from scapy.layers.inet import IP, TCP, UDP, ICMP
+from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest
+from scapy.layers.inet6 import IPv6ExtHdrFragment
+from framework import VppTestCase, VppTestRunner
+from util import Host, ppp
+
+
+class TestClassifyAcl(VppTestCase):
+ """ Classifier-based L2 input and output ACL Test Case """
+
+ # traffic types
+ IP = 0
+ ICMP = 1
+
+ # IP version
+ IPRANDOM = -1
+ IPV4 = 0
+ IPV6 = 1
+
+ # rule types
+ DENY = 0
+ PERMIT = 1
+
+ # supported protocols
+ proto = [[6, 17], [1, 58]]
+ proto_map = {1: 'ICMP', 58: 'ICMPv6EchoRequest', 6: 'TCP', 17: 'UDP'}
+ ICMPv4 = 0
+ ICMPv6 = 1
+ TCP = 0
+ UDP = 1
+ PROTO_ALL = 0
+
+ # port ranges
+ PORTS_ALL = -1
+ PORTS_RANGE = 0
+ PORTS_RANGE_2 = 1
+ udp_sport_from = 10
+ udp_sport_to = udp_sport_from + 5
+ udp_dport_from = 20000
+ udp_dport_to = udp_dport_from + 5000
+ tcp_sport_from = 30
+ tcp_sport_to = tcp_sport_from + 5
+ tcp_dport_from = 40000
+ tcp_dport_to = tcp_dport_from + 5000
+
+ udp_sport_from_2 = 90
+ udp_sport_to_2 = udp_sport_from_2 + 5
+ udp_dport_from_2 = 30000
+ udp_dport_to_2 = udp_dport_from_2 + 5000
+ tcp_sport_from_2 = 130
+ tcp_sport_to_2 = tcp_sport_from_2 + 5
+ tcp_dport_from_2 = 20000
+ tcp_dport_to_2 = tcp_dport_from_2 + 5000
+
+ icmp4_type = 8 # echo request
+ icmp4_code = 3
+ icmp6_type = 128 # echo request
+ icmp6_code = 3
+
+ icmp4_type_2 = 8
+ icmp4_code_from_2 = 5
+ icmp4_code_to_2 = 20
+ icmp6_type_2 = 128
+ icmp6_code_from_2 = 8
+ icmp6_code_to_2 = 42
+
+ # Test variables
+ bd_id = 1
+
+ @classmethod
+ def setUpClass(cls):
+ """
+ Perform standard class setup (defined by class method setUpClass in
+ class VppTestCase) before running the test case, set test case related
+ variables and configure VPP.
+ """
+ super(TestClassifyAcl, cls).setUpClass()
+
+ try:
+ # Create 2 pg interfaces
+ cls.create_pg_interfaces(range(2))
+
+ # Packet flows mapping pg0 -> pg1, pg2 etc.
+ cls.flows = dict()
+ cls.flows[cls.pg0] = [cls.pg1]
+
+ # Packet sizes
+ cls.pg_if_packet_sizes = [64, 512, 1518, 9018]
+
+ # Create BD with MAC learning and unknown unicast flooding disabled
+ # and put interfaces to this BD
+ cls.vapi.bridge_domain_add_del(bd_id=cls.bd_id, uu_flood=1,
+ learn=1)
+ for pg_if in cls.pg_interfaces:
+ cls.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=pg_if.sw_if_index, bd_id=cls.bd_id)
+
+ # Set up all interfaces
+ for i in cls.pg_interfaces:
+ i.admin_up()
+
+ # Mapping between packet-generator index and lists of test hosts
+ cls.hosts_by_pg_idx = dict()
+ for pg_if in cls.pg_interfaces:
+ cls.hosts_by_pg_idx[pg_if.sw_if_index] = []
+
+ # Create list of deleted hosts
+ cls.deleted_hosts_by_pg_idx = dict()
+ for pg_if in cls.pg_interfaces:
+ cls.deleted_hosts_by_pg_idx[pg_if.sw_if_index] = []
+
+ # warm-up the mac address tables
+ # self.warmup_test()
+
+ # Holder of the active classify table key
+ cls.acl_active_table = ''
+
+ except Exception:
+ super(TestClassifyAcl, cls).tearDownClass()
+ raise
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestClassifyAcl, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestClassifyAcl, self).setUp()
+
+ self.acl_tbl_idx = {}
+ self.reset_packet_infos()
+
+ def tearDown(self):
+ """
+ Show various debug prints after each test.
+ """
+ if not self.vpp_dead:
+ if self.acl_active_table == 'mac_inout':
+ self.output_acl_set_interface(
+ self.pg1, self.acl_tbl_idx.get(self.acl_active_table), 0)
+ self.input_acl_set_interface(
+ self.pg0, self.acl_tbl_idx.get(self.acl_active_table), 0)
+ self.acl_active_table = ''
+ elif self.acl_active_table == 'mac_out':
+ self.output_acl_set_interface(
+ self.pg1, self.acl_tbl_idx.get(self.acl_active_table), 0)
+ self.acl_active_table = ''
+ elif self.acl_active_table == 'mac_in':
+ self.input_acl_set_interface(
+ self.pg0, self.acl_tbl_idx.get(self.acl_active_table), 0)
+ self.acl_active_table = ''
+
+ super(TestClassifyAcl, self).tearDown()
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.ppcli("show inacl type l2"))
+ self.logger.info(self.vapi.ppcli("show outacl type l2"))
+ self.logger.info(self.vapi.ppcli("show classify tables verbose"))
+ self.logger.info(self.vapi.ppcli("show bridge-domain %s detail"
+ % self.bd_id))
+
+ @staticmethod
+ def build_mac_mask(dst_mac='', src_mac='', ether_type=''):
+ """Build MAC ACL mask data with hexstring format
+
+ :param str dst_mac: source MAC address <0-ffffffffffff>
+ :param str src_mac: destination MAC address <0-ffffffffffff>
+ :param str ether_type: ethernet type <0-ffff>
+ """
+
+ return ('{!s:0>12}{!s:0>12}{!s:0>4}'.format(
+ dst_mac, src_mac, ether_type)).rstrip('0')
+
+ @staticmethod
+ def build_mac_match(dst_mac='', src_mac='', ether_type=''):
+ """Build MAC ACL match data with hexstring format
+
+ :param str dst_mac: source MAC address <x:x:x:x:x:x>
+ :param str src_mac: destination MAC address <x:x:x:x:x:x>
+ :param str ether_type: ethernet type <0-ffff>
+ """
+ if dst_mac:
+ dst_mac = dst_mac.replace(':', '')
+ if src_mac:
+ src_mac = src_mac.replace(':', '')
+
+ return ('{!s:0>12}{!s:0>12}{!s:0>4}'.format(
+ dst_mac, src_mac, ether_type)).rstrip('0')
+
+ def create_classify_table(self, key, mask, data_offset=0, is_add=1):
+ """Create Classify Table
+
+ :param str key: key for classify table (ex, ACL name).
+ :param str mask: mask value for interested traffic.
+ :param int match_n_vectors:
+ :param int is_add: option to configure classify table.
+ - create(1) or delete(0)
+ """
+ r = self.vapi.classify_add_del_table(
+ is_add,
+ binascii.unhexlify(mask),
+ match_n_vectors=(len(mask) - 1) // 32 + 1,
+ miss_next_index=0,
+ current_data_flag=1,
+ current_data_offset=data_offset)
+ self.assertIsNotNone(r, 'No response msg for add_del_table')
+ self.acl_tbl_idx[key] = r.new_table_index
+
+ def create_classify_session(self, intf, table_index, match,
+ hit_next_index=0xffffffff, is_add=1):
+ """Create Classify Session
+
+ :param VppInterface intf: Interface to apply classify session.
+ :param int table_index: table index to identify classify table.
+ :param str match: matched value for interested traffic.
+ :param int pbr_action: enable/disable PBR feature.
+ :param int vrfid: VRF id.
+ :param int is_add: option to configure classify session.
+ - create(1) or delete(0)
+ """
+ r = self.vapi.classify_add_del_session(
+ is_add,
+ table_index,
+ binascii.unhexlify(match),
+ hit_next_index=hit_next_index)
+ self.assertIsNotNone(r, 'No response msg for add_del_session')
+
+ def input_acl_set_interface(self, intf, table_index, is_add=1):
+ """Configure Input ACL interface
+
+ :param VppInterface intf: Interface to apply Input ACL feature.
+ :param int table_index: table index to identify classify table.
+ :param int is_add: option to configure classify session.
+ - enable(1) or disable(0)
+ """
+ r = self.vapi.input_acl_set_interface(
+ is_add,
+ intf.sw_if_index,
+ l2_table_index=table_index)
+ self.assertIsNotNone(r, 'No response msg for acl_set_interface')
+
+ def output_acl_set_interface(self, intf, table_index, is_add=1):
+ """Configure Output ACL interface
+
+ :param VppInterface intf: Interface to apply Output ACL feature.
+ :param int table_index: table index to identify classify table.
+ :param int is_add: option to configure classify session.
+ - enable(1) or disable(0)
+ """
+ r = self.vapi.output_acl_set_interface(
+ is_add,
+ intf.sw_if_index,
+ l2_table_index=table_index)
+ self.assertIsNotNone(r, 'No response msg for acl_set_interface')
+
+ def create_hosts(self, count, start=0):
+ """
+ Create required number of host MAC addresses and distribute them among
+ interfaces. Create host IPv4 address for every host MAC address.
+
+ :param int count: Number of hosts to create MAC/IPv4 addresses for.
+ :param int start: Number to start numbering from.
+ """
+ n_int = len(self.pg_interfaces)
+ macs_per_if = count / n_int
+ i = -1
+ for pg_if in self.pg_interfaces:
+ i += 1
+ start_nr = macs_per_if * i + start
+ end_nr = count + start if i == (n_int - 1) \
+ else macs_per_if * (i + 1) + start
+ hosts = self.hosts_by_pg_idx[pg_if.sw_if_index]
+ for j in range(start_nr, end_nr):
+ host = Host(
+ "00:00:00:ff:%02x:%02x" % (pg_if.sw_if_index, j),
+ "172.17.1%02x.%u" % (pg_if.sw_if_index, j),
+ "2017:dead:%02x::%u" % (pg_if.sw_if_index, j))
+ hosts.append(host)
+
+ def create_upper_layer(self, packet_index, proto, ports=0):
+ p = self.proto_map[proto]
+ if p == 'UDP':
+ if ports == 0:
+ return UDP(sport=random.randint(self.udp_sport_from,
+ self.udp_sport_to),
+ dport=random.randint(self.udp_dport_from,
+ self.udp_dport_to))
+ else:
+ return UDP(sport=ports, dport=ports)
+ elif p == 'TCP':
+ if ports == 0:
+ return TCP(sport=random.randint(self.tcp_sport_from,
+ self.tcp_sport_to),
+ dport=random.randint(self.tcp_dport_from,
+ self.tcp_dport_to))
+ else:
+ return TCP(sport=ports, dport=ports)
+ return ''
+
+ def create_stream(self, src_if, packet_sizes, traffic_type=0, ipv6=0,
+ proto=-1, ports=0, fragments=False,
+ pkt_raw=True, etype=-1):
+ """
+ Create input packet stream for defined interface using hosts or
+ deleted_hosts list.
+
+ :param object src_if: Interface to create packet stream for.
+ :param list packet_sizes: List of required packet sizes.
+ :param traffic_type: 1: ICMP packet, 2: IPv6 with EH, 0: otherwise.
+ :return: Stream of packets.
+ """
+ pkts = []
+ if self.flows.__contains__(src_if):
+ src_hosts = self.hosts_by_pg_idx[src_if.sw_if_index]
+ for dst_if in self.flows[src_if]:
+ dst_hosts = self.hosts_by_pg_idx[dst_if.sw_if_index]
+ n_int = len(dst_hosts) * len(src_hosts)
+ for i in range(0, n_int):
+ dst_host = dst_hosts[i / len(src_hosts)]
+ src_host = src_hosts[i % len(src_hosts)]
+ pkt_info = self.create_packet_info(src_if, dst_if)
+ if ipv6 == 1:
+ pkt_info.ip = 1
+ elif ipv6 == 0:
+ pkt_info.ip = 0
+ else:
+ pkt_info.ip = random.choice([0, 1])
+ if proto == -1:
+ pkt_info.proto = random.choice(self.proto[self.IP])
+ else:
+ pkt_info.proto = proto
+ payload = self.info_to_payload(pkt_info)
+ p = Ether(dst=dst_host.mac, src=src_host.mac)
+ if etype > 0:
+ p = Ether(dst=dst_host.mac,
+ src=src_host.mac,
+ type=etype)
+ if pkt_info.ip:
+ p /= IPv6(dst=dst_host.ip6, src=src_host.ip6)
+ if fragments:
+ p /= IPv6ExtHdrFragment(offset=64, m=1)
+ else:
+ if fragments:
+ p /= IP(src=src_host.ip4, dst=dst_host.ip4,
+ flags=1, frag=64)
+ else:
+ p /= IP(src=src_host.ip4, dst=dst_host.ip4)
+ if traffic_type == self.ICMP:
+ if pkt_info.ip:
+ p /= ICMPv6EchoRequest(type=self.icmp6_type,
+ code=self.icmp6_code)
+ else:
+ p /= ICMP(type=self.icmp4_type,
+ code=self.icmp4_code)
+ else:
+ p /= self.create_upper_layer(i, pkt_info.proto, ports)
+ if pkt_raw:
+ p /= Raw(payload)
+ pkt_info.data = p.copy()
+ if pkt_raw:
+ size = random.choice(packet_sizes)
+ self.extend_packet(p, size)
+ pkts.append(p)
+ return pkts
+
+ def verify_capture(self, pg_if, capture,
+ traffic_type=0, ip_type=0, etype=-1):
+ """
+ Verify captured input packet stream for defined interface.
+
+ :param object pg_if: Interface to verify captured packet stream for.
+ :param list capture: Captured packet stream.
+ :param traffic_type: 1: ICMP packet, 2: IPv6 with EH, 0: otherwise.
+ """
+ last_info = dict()
+ for i in self.pg_interfaces:
+ last_info[i.sw_if_index] = None
+ dst_sw_if_index = pg_if.sw_if_index
+ for packet in capture:
+ if etype > 0:
+ if packet[Ether].type != etype:
+ self.logger.error(ppp("Unexpected ethertype in packet:",
+ packet))
+ else:
+ continue
+ try:
+ # Raw data for ICMPv6 are stored in ICMPv6EchoRequest.data
+ if traffic_type == self.ICMP and ip_type == self.IPV6:
+ payload_info = self.payload_to_info(
+ packet[ICMPv6EchoRequest].data)
+ payload = packet[ICMPv6EchoRequest]
+ else:
+ payload_info = self.payload_to_info(packet[Raw])
+ payload = packet[self.proto_map[payload_info.proto]]
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet "
+ "(outside network):", packet))
+ raise
+
+ if ip_type != 0:
+ self.assertEqual(payload_info.ip, ip_type)
+ if traffic_type == self.ICMP:
+ try:
+ if payload_info.ip == 0:
+ self.assertEqual(payload.type, self.icmp4_type)
+ self.assertEqual(payload.code, self.icmp4_code)
+ else:
+ self.assertEqual(payload.type, self.icmp6_type)
+ self.assertEqual(payload.code, self.icmp6_code)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet "
+ "(outside network):", packet))
+ raise
+ else:
+ try:
+ ip_version = IPv6 if payload_info.ip == 1 else IP
+
+ ip = packet[ip_version]
+ packet_index = payload_info.index
+
+ self.assertEqual(payload_info.dst, dst_sw_if_index)
+ self.logger.debug("Got packet on port %s: src=%u (id=%u)" %
+ (pg_if.name, payload_info.src,
+ packet_index))
+ next_info = self.get_next_packet_info_for_interface2(
+ payload_info.src, dst_sw_if_index,
+ last_info[payload_info.src])
+ last_info[payload_info.src] = next_info
+ self.assertTrue(next_info is not None)
+ self.assertEqual(packet_index, next_info.index)
+ saved_packet = next_info.data
+ # Check standard fields
+ self.assertEqual(ip.src, saved_packet[ip_version].src)
+ self.assertEqual(ip.dst, saved_packet[ip_version].dst)
+ p = self.proto_map[payload_info.proto]
+ if p == 'TCP':
+ tcp = packet[TCP]
+ self.assertEqual(tcp.sport, saved_packet[
+ TCP].sport)
+ self.assertEqual(tcp.dport, saved_packet[
+ TCP].dport)
+ elif p == 'UDP':
+ udp = packet[UDP]
+ self.assertEqual(udp.sport, saved_packet[
+ UDP].sport)
+ self.assertEqual(udp.dport, saved_packet[
+ UDP].dport)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:",
+ packet))
+ raise
+ for i in self.pg_interfaces:
+ remaining_packet = self.get_next_packet_info_for_interface2(
+ i, dst_sw_if_index, last_info[i.sw_if_index])
+ self.assertTrue(
+ remaining_packet is None,
+ "Port %u: Packet expected from source %u didn't arrive" %
+ (dst_sw_if_index, i.sw_if_index))
+
+ def run_traffic_no_check(self):
+ # Test
+ # Create incoming packet streams for packet-generator interfaces
+ for i in self.pg_interfaces:
+ if self.flows.__contains__(i):
+ pkts = self.create_stream(i, self.pg_if_packet_sizes)
+ if len(pkts) > 0:
+ i.add_stream(pkts)
+
+ # Enable packet capture and start packet sending
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ def run_verify_test(self, traffic_type=0, ip_type=0, proto=-1, ports=0,
+ frags=False, pkt_raw=True, etype=-1):
+ # Test
+ # Create incoming packet streams for packet-generator interfaces
+ pkts_cnt = 0
+ for i in self.pg_interfaces:
+ if self.flows.__contains__(i):
+ pkts = self.create_stream(i, self.pg_if_packet_sizes,
+ traffic_type, ip_type, proto, ports,
+ frags, pkt_raw, etype)
+ if len(pkts) > 0:
+ i.add_stream(pkts)
+ pkts_cnt += len(pkts)
+
+ # Enable packet capture and start packet sendingself.IPV
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # Verify
+ # Verify outgoing packet streams per packet-generator interface
+ for src_if in self.pg_interfaces:
+ if self.flows.__contains__(src_if):
+ for dst_if in self.flows[src_if]:
+ capture = dst_if.get_capture(pkts_cnt)
+ self.logger.info("Verifying capture on interface %s" %
+ dst_if.name)
+ self.verify_capture(dst_if, capture,
+ traffic_type, ip_type, etype)
+
+ def run_verify_negat_test(self, traffic_type=0, ip_type=0, proto=-1,
+ ports=0, frags=False, etype=-1):
+ # Test
+ self.reset_packet_infos()
+ for i in self.pg_interfaces:
+ if self.flows.__contains__(i):
+ pkts = self.create_stream(i, self.pg_if_packet_sizes,
+ traffic_type, ip_type, proto, ports,
+ frags, True, etype)
+ if len(pkts) > 0:
+ i.add_stream(pkts)
+
+ # Enable packet capture and start packet sending
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # Verify
+ # Verify outgoing packet streams per packet-generator interface
+ for src_if in self.pg_interfaces:
+ if self.flows.__contains__(src_if):
+ for dst_if in self.flows[src_if]:
+ self.logger.info("Verifying capture on interface %s" %
+ dst_if.name)
+ capture = dst_if.get_capture(0)
+ self.assertEqual(len(capture), 0)
+
+ def build_classify_table(self, src_mac='', dst_mac='', ether_type='',
+ etype='', key='mac', hit_next_index=0xffffffff):
+ # Basic ACL testing
+ a_mask = self.build_mac_mask(src_mac=src_mac, dst_mac=dst_mac,
+ ether_type=ether_type)
+ self.create_classify_table(key, a_mask)
+ for host in self.hosts_by_pg_idx[self.pg0.sw_if_index]:
+ s_mac = host.mac if src_mac else ''
+ if dst_mac:
+ for dst_if in self.flows[self.pg0]:
+ for dst_host in self.hosts_by_pg_idx[dst_if.sw_if_index]:
+ self.create_classify_session(
+ self.pg0, self.acl_tbl_idx.get(key),
+ self.build_mac_match(src_mac=s_mac,
+ dst_mac=dst_host.mac,
+ ether_type=etype),
+ hit_next_index=hit_next_index)
+ else:
+ self.create_classify_session(
+ self.pg0, self.acl_tbl_idx.get(key),
+ self.build_mac_match(src_mac=s_mac, dst_mac='',
+ ether_type=etype),
+ hit_next_index=hit_next_index)
+
+ def test_0000_warmup_test(self):
+ """ Learn the MAC addresses
+ """
+ self.create_hosts(2)
+ self.run_traffic_no_check()
+
+ def test_0010_inacl_permit_src_mac(self):
+ """ Input L2 ACL test - permit source MAC
+
+ Test scenario for basic IP ACL with source IP
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create ACL with source MAC address.
+ - Send and verify received packets on pg1 interface.
+ """
+ key = 'mac_in'
+ self.build_classify_table(src_mac='ffffffffffff', key=key)
+ self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+ self.run_verify_test(self.IP, self.IPV4, -1)
+
+ def test_0011_inacl_permit_dst_mac(self):
+ """ Input L2 ACL test - permit destination MAC
+
+ Test scenario for basic IP ACL with source IP
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create ACL with destination MAC address.
+ - Send and verify received packets on pg1 interface.
+ """
+ key = 'mac_in'
+ self.build_classify_table(dst_mac='ffffffffffff', key=key)
+ self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+ self.run_verify_test(self.IP, self.IPV4, -1)
+
+ def test_0012_inacl_permit_src_dst_mac(self):
+ """ Input L2 ACL test - permit source and destination MAC
+
+ Test scenario for basic IP ACL with source IP
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create ACL with source and destination MAC addresses.
+ - Send and verify received packets on pg1 interface.
+ """
+ key = 'mac_in'
+ self.build_classify_table(
+ src_mac='ffffffffffff', dst_mac='ffffffffffff', key=key)
+ self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+ self.run_verify_test(self.IP, self.IPV4, -1)
+
+ def test_0013_inacl_permit_ether_type(self):
+ """ Input L2 ACL test - permit ether_type
+
+ Test scenario for basic IP ACL with source IP
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create ACL with destination MAC address.
+ - Send and verify received packets on pg1 interface.
+ """
+ key = 'mac_in'
+ self.build_classify_table(
+ ether_type='ffff', etype=hex(ETH_P_IP)[2:], key=key)
+ self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+ self.run_verify_test(self.IP, self.IPV4, -1)
+
+ def test_0015_inacl_deny(self):
+ """ Input L2 ACL test - deny
+
+ Test scenario for basic IP ACL with source IP
+ - Create IPv4 stream for pg0 -> pg1 interface.
+
+ - Create ACL with source MAC address.
+ - Send and verify no received packets on pg1 interface.
+ """
+ key = 'mac_in'
+ self.build_classify_table(
+ src_mac='ffffffffffff', hit_next_index=0, key=key)
+ self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+ self.run_verify_negat_test(self.IP, self.IPV4, -1)
+
+ def test_0020_outacl_permit(self):
+ """ Output L2 ACL test - permit
+
+ Test scenario for basic IP ACL with source IP
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create ACL with source MAC address.
+ - Send and verify received packets on pg1 interface.
+ """
+ key = 'mac_out'
+ self.build_classify_table(src_mac='ffffffffffff', key=key)
+ self.output_acl_set_interface(self.pg1, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+ self.run_verify_test(self.IP, self.IPV4, -1)
+
+ def test_0025_outacl_deny(self):
+ """ Output L2 ACL test - deny
+
+ Test scenario for basic IP ACL with source IP
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create ACL with source MAC address.
+ - Send and verify no received packets on pg1 interface.
+ """
+ key = 'mac_out'
+ self.build_classify_table(
+ src_mac='ffffffffffff', hit_next_index=0, key=key)
+ self.output_acl_set_interface(self.pg1, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+ self.run_verify_negat_test(self.IP, self.IPV4, -1)
+
+ def test_0030_inoutacl_permit(self):
+ """ Input+Output L2 ACL test - permit
+
+ Test scenario for basic IP ACL with source IP
+ - Create IPv4 stream for pg0 -> pg1 interface.
+ - Create ACLs with source MAC address.
+ - Send and verify received packets on pg1 interface.
+ """
+ key = 'mac_inout'
+ self.build_classify_table(src_mac='ffffffffffff', key=key)
+ self.output_acl_set_interface(self.pg1, self.acl_tbl_idx.get(key))
+ self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
+ self.acl_active_table = key
+ self.run_verify_test(self.IP, self.IPV4, -1)
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/src/plugins/cdp/test/test_cdp.py b/src/plugins/cdp/test/test_cdp.py
new file mode 100644
index 00000000000..7f77b4bbb01
--- /dev/null
+++ b/src/plugins/cdp/test/test_cdp.py
@@ -0,0 +1,171 @@
+#!/usr/bin/env python
+""" CDP tests """
+
+from scapy.packet import Packet
+from scapy.all import ShortField, StrField
+from scapy.layers.l2 import Dot3, LLC, SNAP
+from scapy.contrib.cdp import CDPMsgDeviceID, CDPMsgSoftwareVersion, \
+ CDPMsgPlatform, CDPMsgPortID, CDPv2_HDR
+
+from framework import VppTestCase
+from scapy.all import raw
+from re import compile
+from time import sleep
+from util import ppp
+import platform
+
+
+""" TestCDP is a subclass of VPPTestCase classes.
+
+CDP test.
+
+"""
+
+
+class CustomTLV(Packet):
+ """ Custom TLV protocol layer for scapy """
+
+ fields_desc = [
+ ShortField("type", 0),
+ ShortField("length", 4),
+ StrField("value", "")
+
+ ]
+
+
+class TestCDP(VppTestCase):
+ """ CDP Test Case """
+
+ nen_ptr = compile(r"not enabled")
+ cdp_ptr = compile(r"^([-\.\w]+)\s+([-\.\w]+)\s+([-\.\w]+)\s+([-\.\w]+)$")
+ err_ptr = compile(r"^([\d]+)\s+([-\w]+)\s+([ -\.\w)(]+)$")
+
+ @property
+ def device_id(self):
+ return platform.node()
+
+ @property
+ def version(self):
+ return platform.release()
+
+ @property
+ def port_id(self):
+ return self.interface.name
+
+ @property
+ def platform(self):
+ return platform.system()
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestCDP, cls).setUpClass()
+ try:
+ cls.create_pg_interfaces(range(1))
+ cls.interface = cls.pg_interfaces[0]
+
+ cls.interface.admin_up()
+ cls.interface.config_ip4()
+ cls.interface.resolve_arp()
+
+ except Exception:
+ super(TestCDP, cls).tearDownClass()
+ raise
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestCDP, cls).tearDownClass()
+
+ def test_enable_cdp(self):
+ self.logger.info(self.vapi.cdp_enable_disable(enable_disable=1))
+ ret = self.vapi.cli("show cdp")
+ self.logger.info(ret)
+ not_enabled = self.nen_ptr.search(ret)
+ self.assertFalse(not_enabled, "CDP isn't enabled")
+
+ def test_send_cdp_packet(self):
+ self.logger.info(self.vapi.cdp_enable_disable(enable_disable=1))
+ self.send_packet(self.create_packet())
+
+ neighbors = list(self.show_cdp())
+ self.assertTrue(neighbors, "CDP didn't register neighbor")
+
+ port, system = neighbors[0]
+ length = min(len(system), len(self.device_id))
+
+ self.assert_equal(port, self.port_id, "CDP received invalid port id")
+ self.assert_equal(system[:length], self.device_id[:length],
+ "CDP received invalid device id")
+
+ def test_cdp_underflow_tlv(self):
+ self.send_bad_packet(3, ".")
+
+ def test_cdp_overflow_tlv(self):
+ self.send_bad_packet(8, ".")
+
+ def send_bad_packet(self, l, v):
+ self.logger.info(self.vapi.cdp_enable_disable(enable_disable=1))
+ self.send_packet(self.create_bad_packet(l, v))
+
+ errors = list(self.show_errors())
+ self.assertTrue(errors)
+
+ expected_errors = False
+ for count, node, reason in errors:
+ if (node == u'cdp-input' and
+ reason == u'cdp packets with bad TLVs' and
+ int(count) >= 1):
+
+ expected_errors = True
+ break
+ self.assertTrue(expected_errors, "CDP didn't drop bad packet")
+
+ def send_packet(self, packet):
+ self.logger.debug(ppp("Sending packet:", packet))
+ self.interface.add_stream(packet)
+ self.pg_start()
+
+ def create_base_packet(self):
+ packet = (Dot3(src=self.interface.remote_mac,
+ dst="01:00:0c:cc:cc:cc") /
+ LLC(dsap=0xaa, ssap=0xaa, ctrl=0x03) /
+ SNAP()/CDPv2_HDR())
+ return packet
+
+ def create_packet(self):
+ packet = (self.create_base_packet() /
+ CDPMsgDeviceID(val=self.device_id) /
+ CDPMsgSoftwareVersion(val=self.version) /
+ CDPMsgPortID(iface=self.port_id) /
+ CDPMsgPlatform(val=self.platform))
+ return packet
+
+ def create_bad_packet(self, tl=4, tv=""):
+ packet = (self.create_base_packet() /
+ CustomTLV(type=1,
+ length=tl,
+ value=tv))
+ return packet
+
+ def process_cli(self, exp, ptr):
+ for line in self.vapi.cli(exp).split('\n')[1:]:
+ m = ptr.match(line.strip())
+ if m:
+ yield m.groups()
+
+ def show_cdp(self):
+ for pack in self.process_cli("show cdp", self.cdp_ptr):
+ try:
+ port, system, _, _ = pack
+ except ValueError:
+ pass
+ else:
+ yield port, system
+
+ def show_errors(self):
+ for pack in self.process_cli("show errors", self.err_ptr):
+ try:
+ count, node, reason = pack
+ except ValueError:
+ pass
+ else:
+ yield count, node, reason
diff --git a/src/plugins/flowprobe/test/test_flowprobe.py b/src/plugins/flowprobe/test/test_flowprobe.py
new file mode 100644
index 00000000000..9ffe84b8c2c
--- /dev/null
+++ b/src/plugins/flowprobe/test/test_flowprobe.py
@@ -0,0 +1,1082 @@
+#!/usr/bin/env python
+from __future__ import print_function
+import binascii
+import random
+import socket
+import unittest
+import time
+import re
+
+from scapy.packet import Raw
+from scapy.layers.l2 import Ether
+from scapy.layers.inet import IP, TCP, UDP
+from scapy.layers.inet6 import IPv6
+
+from framework import VppTestCase, VppTestRunner, running_extended_tests
+from vpp_object import VppObject
+from vpp_pg_interface import CaptureTimeoutError
+from util import ppp
+from ipfix import IPFIX, Set, Template, Data, IPFIXDecoder
+from vpp_ip_route import VppIpRoute, VppRoutePath
+
+
+class VppCFLOW(VppObject):
+ """CFLOW object for IPFIX exporter and Flowprobe feature"""
+
+ def __init__(self, test, intf='pg2', active=0, passive=0, timeout=100,
+ mtu=1024, datapath='l2', layer='l2 l3 l4'):
+ self._test = test
+ self._intf = intf
+ self._active = active
+ if passive == 0 or passive < active:
+ self._passive = active+1
+ else:
+ self._passive = passive
+ self._datapath = datapath # l2 ip4 ip6
+ self._collect = layer # l2 l3 l4
+ self._timeout = timeout
+ self._mtu = mtu
+ self._configured = False
+
+ def add_vpp_config(self):
+ self.enable_exporter()
+ self._test.vapi.flowprobe_params(
+ record_l2=1 if 'l2' in self._collect.lower() else 0,
+ record_l3=1 if 'l3' in self._collect.lower() else 0,
+ record_l4=1 if 'l4' in self._collect.lower() else 0,
+ active_timer=self._active, passive_timer=self._passive)
+ self.enable_flowprobe_feature()
+ self._test.vapi.cli("ipfix flush")
+ self._configured = True
+
+ def remove_vpp_config(self):
+ self.disable_exporter()
+ self.disable_flowprobe_feature()
+ self._test.vapi.cli("ipfix flush")
+ self._configured = False
+
+ def enable_exporter(self):
+ self._test.vapi.set_ipfix_exporter(
+ collector_address=self._test.pg0.remote_ip4n,
+ src_address=self._test.pg0.local_ip4n,
+ path_mtu=self._mtu,
+ template_interval=self._timeout)
+
+ def enable_flowprobe_feature(self):
+ self._test.vapi.ppcli("flowprobe feature add-del %s %s" %
+ (self._intf, self._datapath))
+
+ def disable_exporter(self):
+ self._test.vapi.cli("set ipfix exporter collector 0.0.0.0")
+
+ def disable_flowprobe_feature(self):
+ self._test.vapi.cli("flowprobe feature add-del %s %s disable" %
+ (self._intf, self._datapath))
+
+ def object_id(self):
+ return "ipfix-collector-%s-%s" % (self._src, self.dst)
+
+ def query_vpp_config(self):
+ return self._configured
+
+ def verify_templates(self, decoder=None, timeout=1, count=3):
+ templates = []
+ p = self._test.wait_for_cflow_packet(self._test.collector, 2, timeout)
+ self._test.assertTrue(p.haslayer(IPFIX))
+ if decoder is not None and p.haslayer(Template):
+ templates.append(p[Template].templateID)
+ decoder.add_template(p.getlayer(Template))
+ if count > 1:
+ p = self._test.wait_for_cflow_packet(self._test.collector, 2)
+ self._test.assertTrue(p.haslayer(IPFIX))
+ if decoder is not None and p.haslayer(Template):
+ templates.append(p[Template].templateID)
+ decoder.add_template(p.getlayer(Template))
+ if count > 2:
+ p = self._test.wait_for_cflow_packet(self._test.collector, 2)
+ self._test.assertTrue(p.haslayer(IPFIX))
+ if decoder is not None and p.haslayer(Template):
+ templates.append(p[Template].templateID)
+ decoder.add_template(p.getlayer(Template))
+ return templates
+
+
+class MethodHolder(VppTestCase):
+ """ Flow-per-packet plugin: test L2, IP4, IP6 reporting """
+
+ # Test variables
+ debug_print = False
+ max_number_of_packets = 10
+ pkts = []
+
+ @classmethod
+ def setUpClass(cls):
+ """
+ Perform standard class setup (defined by class method setUpClass in
+ class VppTestCase) before running the test case, set test case related
+ variables and configure VPP.
+ """
+ super(MethodHolder, cls).setUpClass()
+ try:
+ # Create pg interfaces
+ cls.create_pg_interfaces(range(9))
+
+ # Packet sizes
+ cls.pg_if_packet_sizes = [64, 512, 1518, 9018]
+
+ # Create BD with MAC learning and unknown unicast flooding disabled
+ # and put interfaces to this BD
+ cls.vapi.bridge_domain_add_del(bd_id=1, uu_flood=1, learn=1)
+ cls.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=cls.pg1._sw_if_index, bd_id=1)
+ cls.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=cls.pg2._sw_if_index, bd_id=1)
+
+ # Set up all interfaces
+ for i in cls.pg_interfaces:
+ i.admin_up()
+
+ cls.pg0.config_ip4()
+ cls.pg0.configure_ipv4_neighbors()
+ cls.collector = cls.pg0
+
+ cls.pg1.config_ip4()
+ cls.pg1.resolve_arp()
+ cls.pg2.config_ip4()
+ cls.pg2.resolve_arp()
+ cls.pg3.config_ip4()
+ cls.pg3.resolve_arp()
+ cls.pg4.config_ip4()
+ cls.pg4.resolve_arp()
+ cls.pg7.config_ip4()
+ cls.pg8.config_ip4()
+ cls.pg8.configure_ipv4_neighbors()
+
+ cls.pg5.config_ip6()
+ cls.pg5.resolve_ndp()
+ cls.pg5.disable_ipv6_ra()
+ cls.pg6.config_ip6()
+ cls.pg6.resolve_ndp()
+ cls.pg6.disable_ipv6_ra()
+ except Exception:
+ super(MethodHolder, cls).tearDownClass()
+ raise
+
+ @classmethod
+ def tearDownClass(cls):
+ super(MethodHolder, cls).tearDownClass()
+
+ def create_stream(self, src_if=None, dst_if=None, packets=None,
+ size=None, ip_ver='v4'):
+ """Create a packet stream to tickle the plugin
+
+ :param VppInterface src_if: Source interface for packet stream
+ :param VppInterface src_if: Dst interface for packet stream
+ """
+ if src_if is None:
+ src_if = self.pg1
+ if dst_if is None:
+ dst_if = self.pg2
+ self.pkts = []
+ if packets is None:
+ packets = random.randint(1, self.max_number_of_packets)
+ pkt_size = size
+ for p in range(0, packets):
+ if size is None:
+ pkt_size = random.choice(self.pg_if_packet_sizes)
+ info = self.create_packet_info(src_if, dst_if)
+ payload = self.info_to_payload(info)
+ p = Ether(src=src_if.remote_mac, dst=src_if.local_mac)
+ if ip_ver == 'v4':
+ p /= IP(src=src_if.remote_ip4, dst=dst_if.remote_ip4)
+ else:
+ p /= IPv6(src=src_if.remote_ip6, dst=dst_if.remote_ip6)
+ p /= UDP(sport=1234, dport=4321)
+ p /= Raw(payload)
+ info.data = p.copy()
+ self.extend_packet(p, pkt_size)
+ self.pkts.append(p)
+
+ def verify_cflow_data(self, decoder, capture, cflow):
+ octets = 0
+ packets = 0
+ for p in capture:
+ octets += p[IP].len
+ packets += 1
+ if cflow.haslayer(Data):
+ data = decoder.decode_data_set(cflow.getlayer(Set))
+ for record in data:
+ self.assertEqual(int(binascii.hexlify(record[1]), 16), octets)
+ self.assertEqual(int(binascii.hexlify(record[2]), 16), packets)
+
+ def send_packets(self, src_if=None, dst_if=None):
+ if src_if is None:
+ src_if = self.pg1
+ if dst_if is None:
+ dst_if = self.pg2
+ self.pg_enable_capture([dst_if])
+ src_if.add_stream(self.pkts)
+ self.pg_start()
+ return dst_if.get_capture(len(self.pkts))
+
+ def verify_cflow_data_detail(self, decoder, capture, cflow,
+ data_set={1: 'octets', 2: 'packets'},
+ ip_ver='v4'):
+ if self.debug_print:
+ print(capture[0].show())
+ if cflow.haslayer(Data):
+ data = decoder.decode_data_set(cflow.getlayer(Set))
+ if self.debug_print:
+ print(data)
+ if ip_ver == 'v4':
+ ip_layer = capture[0][IP]
+ else:
+ ip_layer = capture[0][IPv6]
+ if data_set is not None:
+ for record in data:
+ # skip flow if ingress/egress interface is 0
+ if int(binascii.hexlify(record[10]), 16) == 0:
+ continue
+ if int(binascii.hexlify(record[14]), 16) == 0:
+ continue
+
+ for field in data_set:
+ if field not in record.keys():
+ continue
+ value = data_set[field]
+ if value == 'octets':
+ value = ip_layer.len
+ if ip_ver == 'v6':
+ value += 40 # ??? is this correct
+ elif value == 'packets':
+ value = 1
+ elif value == 'src_ip':
+ if ip_ver == 'v4':
+ ip = socket.inet_pton(socket.AF_INET,
+ ip_layer.src)
+ else:
+ ip = socket.inet_pton(socket.AF_INET6,
+ ip_layer.src)
+ value = int(binascii.hexlify(ip), 16)
+ elif value == 'dst_ip':
+ if ip_ver == 'v4':
+ ip = socket.inet_pton(socket.AF_INET,
+ ip_layer.dst)
+ else:
+ ip = socket.inet_pton(socket.AF_INET6,
+ ip_layer.dst)
+ value = int(binascii.hexlify(ip), 16)
+ elif value == 'sport':
+ value = int(capture[0][UDP].sport)
+ elif value == 'dport':
+ value = int(capture[0][UDP].dport)
+ self.assertEqual(int(binascii.hexlify(
+ record[field]), 16),
+ value)
+
+ def verify_cflow_data_notimer(self, decoder, capture, cflows):
+ idx = 0
+ for cflow in cflows:
+ if cflow.haslayer(Data):
+ data = decoder.decode_data_set(cflow.getlayer(Set))
+ else:
+ raise Exception("No CFLOW data")
+
+ for rec in data:
+ p = capture[idx]
+ idx += 1
+ self.assertEqual(p[IP].len, int(
+ binascii.hexlify(rec[1]), 16))
+ self.assertEqual(1, int(
+ binascii.hexlify(rec[2]), 16))
+ self.assertEqual(len(capture), idx)
+
+ def wait_for_cflow_packet(self, collector_intf, set_id=2, timeout=1,
+ expected=True):
+ """ wait for CFLOW packet and verify its correctness
+
+ :param timeout: how long to wait
+
+ :returns: tuple (packet, time spent waiting for packet)
+ """
+ self.logger.info("IPFIX: Waiting for CFLOW packet")
+ deadline = time.time() + timeout
+ counter = 0
+ # self.logger.debug(self.vapi.ppcli("show flow table"))
+ while True:
+ counter += 1
+ # sanity check
+ self.assert_in_range(counter, 0, 100, "number of packets ignored")
+ time_left = deadline - time.time()
+ try:
+ if time_left < 0 and expected:
+ # self.logger.debug(self.vapi.ppcli("show flow table"))
+ raise CaptureTimeoutError(
+ "Packet did not arrive within timeout")
+ p = collector_intf.wait_for_packet(timeout=time_left)
+ except CaptureTimeoutError:
+ if expected:
+ # self.logger.debug(self.vapi.ppcli("show flow table"))
+ raise CaptureTimeoutError(
+ "Packet did not arrive within timeout")
+ else:
+ return
+ if not expected:
+ raise CaptureTimeoutError("Packet arrived even not expected")
+ self.assertEqual(p[Set].setID, set_id)
+ # self.logger.debug(self.vapi.ppcli("show flow table"))
+ self.logger.debug(ppp("IPFIX: Got packet:", p))
+ break
+ return p
+
+
+class Flowprobe(MethodHolder):
+ """Template verification, timer tests"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(Flowprobe, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(Flowprobe, cls).tearDownClass()
+
+ def test_0001(self):
+ """ timer less than template timeout"""
+ self.logger.info("FFP_TEST_START_0001")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, active=2)
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder)
+
+ self.create_stream(packets=1)
+ self.send_packets()
+ capture = self.pg2.get_capture(1)
+
+ # make sure the one packet we expect actually showed up
+ cflow = self.wait_for_cflow_packet(self.collector, templates[1], 15)
+ self.verify_cflow_data(ipfix_decoder, capture, cflow)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0001")
+
+ def test_0002(self):
+ """ timer greater than template timeout"""
+ self.logger.info("FFP_TEST_START_0002")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, timeout=3, active=4)
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ ipfix.verify_templates()
+
+ self.create_stream(packets=2)
+ self.send_packets()
+ capture = self.pg2.get_capture(2)
+
+ # next set of template packet should arrive after 20 seconds
+ # template packet should arrive within 20 s
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=5)
+
+ # make sure the one packet we expect actually showed up
+ cflow = self.wait_for_cflow_packet(self.collector, templates[1], 15)
+ self.verify_cflow_data(ipfix_decoder, capture, cflow)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0002")
+
+ def test_cflow_packet(self):
+ """verify cflow packet fields"""
+ self.logger.info("FFP_TEST_START_0000")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, intf='pg8', datapath="ip4",
+ layer='l2 l3 l4', active=2)
+ ipfix.add_vpp_config()
+
+ route_9001 = VppIpRoute(self, "9.0.0.0", 24,
+ [VppRoutePath(self.pg8._remote_hosts[0].ip4,
+ self.pg8.sw_if_index)])
+ route_9001.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ templates = ipfix.verify_templates(ipfix_decoder, count=1)
+
+ self.pkts = [(Ether(dst=self.pg7.local_mac,
+ src=self.pg7.remote_mac) /
+ IP(src=self.pg7.remote_ip4, dst="9.0.0.100") /
+ TCP(sport=1234, dport=4321, flags=80) /
+ Raw('\xa5' * 100))]
+
+ nowUTC = int(time.time())
+ nowUNIX = nowUTC+2208988800
+ self.send_packets(src_if=self.pg7, dst_if=self.pg8)
+
+ cflow = self.wait_for_cflow_packet(self.collector, templates[0], 10)
+ self.collector.get_capture(2)
+
+ if cflow[0].haslayer(IPFIX):
+ self.assertEqual(cflow[IPFIX].version, 10)
+ self.assertEqual(cflow[IPFIX].observationDomainID, 1)
+ self.assertEqual(cflow[IPFIX].sequenceNumber, 0)
+ self.assertAlmostEqual(cflow[IPFIX].exportTime, nowUTC, delta=5)
+ if cflow.haslayer(Data):
+ record = ipfix_decoder.decode_data_set(cflow[0].getlayer(Set))[0]
+ # ingress interface
+ self.assertEqual(int(binascii.hexlify(record[10]), 16), 8)
+ # egress interface
+ self.assertEqual(int(binascii.hexlify(record[14]), 16), 9)
+ # packets
+ self.assertEqual(int(binascii.hexlify(record[2]), 16), 1)
+ # src mac
+ self.assertEqual(':'.join(re.findall('..', record[56].encode(
+ 'hex'))), self.pg8.local_mac)
+ # dst mac
+ self.assertEqual(':'.join(re.findall('..', record[80].encode(
+ 'hex'))), self.pg8.remote_mac)
+ flowTimestamp = int(binascii.hexlify(record[156]), 16) >> 32
+ # flow start timestamp
+ self.assertAlmostEqual(flowTimestamp, nowUNIX, delta=1)
+ flowTimestamp = int(binascii.hexlify(record[157]), 16) >> 32
+ # flow end timestamp
+ self.assertAlmostEqual(flowTimestamp, nowUNIX, delta=1)
+ # ethernet type
+ self.assertEqual(int(binascii.hexlify(record[256]), 16), 8)
+ # src ip
+ self.assertEqual('.'.join(re.findall('..', record[8].encode(
+ 'hex'))),
+ '.'.join('{:02x}'.format(int(n)) for n in
+ self.pg7.remote_ip4.split('.')))
+ # dst ip
+ self.assertEqual('.'.join(re.findall('..', record[12].encode(
+ 'hex'))),
+ '.'.join('{:02x}'.format(int(n)) for n in
+ "9.0.0.100".split('.')))
+ # protocol (TCP)
+ self.assertEqual(int(binascii.hexlify(record[4]), 16), 6)
+ # src port
+ self.assertEqual(int(binascii.hexlify(record[7]), 16), 1234)
+ # dst port
+ self.assertEqual(int(binascii.hexlify(record[11]), 16), 4321)
+ # tcp flags
+ self.assertEqual(int(binascii.hexlify(record[6]), 16), 80)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0000")
+
+
+class Datapath(MethodHolder):
+ """collect information on Ethernet, IP4 and IP6 datapath (no timers)"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(Datapath, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(Datapath, cls).tearDownClass()
+
+ def test_templatesL2(self):
+ """ verify template on L2 datapath"""
+ self.logger.info("FFP_TEST_START_0000")
+ self.pg_enable_capture(self.pg_interfaces)
+
+ ipfix = VppCFLOW(test=self, layer='l2')
+ ipfix.add_vpp_config()
+
+ # template packet should arrive immediately
+ self.vapi.ipfix_flush()
+ ipfix.verify_templates(timeout=3, count=1)
+ self.collector.get_capture(1)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0000")
+
+ def test_L2onL2(self):
+ """ L2 data on L2 datapath"""
+ self.logger.info("FFP_TEST_START_0001")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, layer='l2')
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, count=1)
+
+ self.create_stream(packets=1)
+ capture = self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ self.vapi.ipfix_flush()
+ cflow = self.wait_for_cflow_packet(self.collector, templates[0])
+ self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
+ {2: 'packets', 256: 8})
+ self.collector.get_capture(2)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0001")
+
+ def test_L3onL2(self):
+ """ L3 data on L2 datapath"""
+ self.logger.info("FFP_TEST_START_0002")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, layer='l3')
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, count=2)
+
+ self.create_stream(packets=1)
+ capture = self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ self.vapi.ipfix_flush()
+ cflow = self.wait_for_cflow_packet(self.collector, templates[0])
+ self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
+ {2: 'packets', 4: 17,
+ 8: 'src_ip', 12: 'dst_ip'})
+
+ self.collector.get_capture(3)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0002")
+
+ def test_L4onL2(self):
+ """ L4 data on L2 datapath"""
+ self.logger.info("FFP_TEST_START_0003")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, layer='l4')
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, count=2)
+
+ self.create_stream(packets=1)
+ capture = self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ self.vapi.ipfix_flush()
+ cflow = self.wait_for_cflow_packet(self.collector, templates[0])
+ self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
+ {2: 'packets', 7: 'sport', 11: 'dport'})
+
+ self.collector.get_capture(3)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0003")
+
+ def test_templatesIp4(self):
+ """ verify templates on IP4 datapath"""
+ self.logger.info("FFP_TEST_START_0000")
+
+ self.pg_enable_capture(self.pg_interfaces)
+
+ ipfix = VppCFLOW(test=self, datapath='ip4')
+ ipfix.add_vpp_config()
+
+ # template packet should arrive immediately
+ self.vapi.ipfix_flush()
+ ipfix.verify_templates(timeout=3, count=1)
+ self.collector.get_capture(1)
+
+ ipfix.remove_vpp_config()
+
+ self.logger.info("FFP_TEST_FINISH_0000")
+
+ def test_L2onIP4(self):
+ """ L2 data on IP4 datapath"""
+ self.logger.info("FFP_TEST_START_0001")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, intf='pg4', layer='l2', datapath='ip4')
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, count=1)
+
+ self.create_stream(src_if=self.pg3, dst_if=self.pg4, packets=1)
+ capture = self.send_packets(src_if=self.pg3, dst_if=self.pg4)
+
+ # make sure the one packet we expect actually showed up
+ self.vapi.ipfix_flush()
+ cflow = self.wait_for_cflow_packet(self.collector, templates[0])
+ self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
+ {2: 'packets', 256: 8})
+
+ # expected two templates and one cflow packet
+ self.collector.get_capture(2)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0001")
+
+ def test_L3onIP4(self):
+ """ L3 data on IP4 datapath"""
+ self.logger.info("FFP_TEST_START_0002")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, intf='pg4', layer='l3', datapath='ip4')
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, count=1)
+
+ self.create_stream(src_if=self.pg3, dst_if=self.pg4, packets=1)
+ capture = self.send_packets(src_if=self.pg3, dst_if=self.pg4)
+
+ # make sure the one packet we expect actually showed up
+ self.vapi.ipfix_flush()
+ cflow = self.wait_for_cflow_packet(self.collector, templates[0])
+ self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
+ {1: 'octets', 2: 'packets',
+ 8: 'src_ip', 12: 'dst_ip'})
+
+ # expected two templates and one cflow packet
+ self.collector.get_capture(2)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0002")
+
+ def test_L4onIP4(self):
+ """ L4 data on IP4 datapath"""
+ self.logger.info("FFP_TEST_START_0003")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, intf='pg4', layer='l4', datapath='ip4')
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, count=1)
+
+ self.create_stream(src_if=self.pg3, dst_if=self.pg4, packets=1)
+ capture = self.send_packets(src_if=self.pg3, dst_if=self.pg4)
+
+ # make sure the one packet we expect actually showed up
+ self.vapi.ipfix_flush()
+ cflow = self.wait_for_cflow_packet(self.collector, templates[0])
+ self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
+ {2: 'packets', 7: 'sport', 11: 'dport'})
+
+ # expected two templates and one cflow packet
+ self.collector.get_capture(2)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0003")
+
+ def test_templatesIP6(self):
+ """ verify templates on IP6 datapath"""
+ self.logger.info("FFP_TEST_START_0000")
+ self.pg_enable_capture(self.pg_interfaces)
+
+ ipfix = VppCFLOW(test=self, datapath='ip6')
+ ipfix.add_vpp_config()
+
+ # template packet should arrive immediately
+ ipfix.verify_templates(count=1)
+ self.collector.get_capture(1)
+
+ ipfix.remove_vpp_config()
+
+ self.logger.info("FFP_TEST_FINISH_0000")
+
+ def test_L2onIP6(self):
+ """ L2 data on IP6 datapath"""
+ self.logger.info("FFP_TEST_START_0001")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, intf='pg6', layer='l2', datapath='ip6')
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, count=1)
+
+ self.create_stream(src_if=self.pg5, dst_if=self.pg6, packets=1,
+ ip_ver='IPv6')
+ capture = self.send_packets(src_if=self.pg5, dst_if=self.pg6)
+
+ # make sure the one packet we expect actually showed up
+ self.vapi.ipfix_flush()
+ cflow = self.wait_for_cflow_packet(self.collector, templates[0])
+ self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
+ {2: 'packets', 256: 56710},
+ ip_ver='v6')
+
+ # expected two templates and one cflow packet
+ self.collector.get_capture(2)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0001")
+
+ def test_L3onIP6(self):
+ """ L3 data on IP6 datapath"""
+ self.logger.info("FFP_TEST_START_0002")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, intf='pg6', layer='l3', datapath='ip6')
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, count=1)
+
+ self.create_stream(src_if=self.pg5, dst_if=self.pg6, packets=1,
+ ip_ver='IPv6')
+ capture = self.send_packets(src_if=self.pg5, dst_if=self.pg6)
+
+ # make sure the one packet we expect actually showed up
+ self.vapi.ipfix_flush()
+ cflow = self.wait_for_cflow_packet(self.collector, templates[0])
+ self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
+ {2: 'packets',
+ 27: 'src_ip', 28: 'dst_ip'},
+ ip_ver='v6')
+
+ # expected two templates and one cflow packet
+ self.collector.get_capture(2)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0002")
+
+ def test_L4onIP6(self):
+ """ L4 data on IP6 datapath"""
+ self.logger.info("FFP_TEST_START_0003")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, intf='pg6', layer='l4', datapath='ip6')
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder, count=1)
+
+ self.create_stream(src_if=self.pg5, dst_if=self.pg6, packets=1,
+ ip_ver='IPv6')
+ capture = self.send_packets(src_if=self.pg5, dst_if=self.pg6)
+
+ # make sure the one packet we expect actually showed up
+ self.vapi.ipfix_flush()
+ cflow = self.wait_for_cflow_packet(self.collector, templates[0])
+ self.verify_cflow_data_detail(ipfix_decoder, capture, cflow,
+ {2: 'packets', 7: 'sport', 11: 'dport'},
+ ip_ver='v6')
+
+ # expected two templates and one cflow packet
+ self.collector.get_capture(2)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0003")
+
+ def test_0001(self):
+ """ no timers, one CFLOW packet, 9 Flows inside"""
+ self.logger.info("FFP_TEST_START_0001")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self)
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder)
+
+ self.create_stream(packets=9)
+ capture = self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ self.vapi.ipfix_flush()
+ cflow = self.wait_for_cflow_packet(self.collector, templates[1])
+ self.verify_cflow_data_notimer(ipfix_decoder, capture, [cflow])
+ self.collector.get_capture(4)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0001")
+
+ def test_0002(self):
+ """ no timers, two CFLOW packets (mtu=256), 3 Flows in each"""
+ self.logger.info("FFP_TEST_START_0002")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self, mtu=256)
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ self.vapi.ipfix_flush()
+ templates = ipfix.verify_templates(ipfix_decoder)
+
+ self.create_stream(packets=6)
+ capture = self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ cflows = []
+ self.vapi.ipfix_flush()
+ cflows.append(self.wait_for_cflow_packet(self.collector,
+ templates[1]))
+ cflows.append(self.wait_for_cflow_packet(self.collector,
+ templates[1]))
+ self.verify_cflow_data_notimer(ipfix_decoder, capture, cflows)
+ self.collector.get_capture(5)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0002")
+
+
+@unittest.skipUnless(running_extended_tests, "part of extended tests")
+class DisableIPFIX(MethodHolder):
+ """Disable IPFIX"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(DisableIPFIX, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(DisableIPFIX, cls).tearDownClass()
+
+ def test_0001(self):
+ """ disable IPFIX after first packets"""
+ self.logger.info("FFP_TEST_START_0001")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self)
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder)
+
+ self.create_stream()
+ self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ self.vapi.ipfix_flush()
+ self.wait_for_cflow_packet(self.collector, templates[1])
+ self.collector.get_capture(4)
+
+ # disable IPFIX
+ ipfix.disable_exporter()
+ self.pg_enable_capture([self.collector])
+
+ self.send_packets()
+
+ # make sure no one packet arrived in 1 minute
+ self.vapi.ipfix_flush()
+ self.wait_for_cflow_packet(self.collector, templates[1],
+ expected=False)
+ self.collector.get_capture(0)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0001")
+
+
+@unittest.skipUnless(running_extended_tests, "part of extended tests")
+class ReenableIPFIX(MethodHolder):
+ """Re-enable IPFIX"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(ReenableIPFIX, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(ReenableIPFIX, cls).tearDownClass()
+
+ def test_0011(self):
+ """ disable IPFIX after first packets and re-enable after few packets
+ """
+ self.logger.info("FFP_TEST_START_0001")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self)
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder)
+
+ self.create_stream(packets=5)
+ self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ self.vapi.ipfix_flush()
+ self.wait_for_cflow_packet(self.collector, templates[1])
+ self.collector.get_capture(4)
+
+ # disable IPFIX
+ ipfix.disable_exporter()
+ self.vapi.ipfix_flush()
+ self.pg_enable_capture([self.collector])
+
+ self.send_packets()
+
+ # make sure no one packet arrived in active timer span
+ self.vapi.ipfix_flush()
+ self.wait_for_cflow_packet(self.collector, templates[1],
+ expected=False)
+ self.collector.get_capture(0)
+ self.pg2.get_capture(5)
+
+ # enable IPFIX
+ ipfix.enable_exporter()
+
+ capture = self.collector.get_capture(4)
+ nr_templates = 0
+ nr_data = 0
+ for p in capture:
+ self.assertTrue(p.haslayer(IPFIX))
+ if p.haslayer(Template):
+ nr_templates += 1
+ self.assertTrue(nr_templates, 3)
+ for p in capture:
+ self.assertTrue(p.haslayer(IPFIX))
+ if p.haslayer(Data):
+ nr_data += 1
+ self.assertTrue(nr_templates, 1)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0001")
+
+
+@unittest.skipUnless(running_extended_tests, "part of extended tests")
+class DisableFP(MethodHolder):
+ """Disable Flowprobe feature"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(DisableFP, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(DisableFP, cls).tearDownClass()
+
+ def test_0001(self):
+ """ disable flowprobe feature after first packets"""
+ self.logger.info("FFP_TEST_START_0001")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+ ipfix = VppCFLOW(test=self)
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ templates = ipfix.verify_templates(ipfix_decoder)
+
+ self.create_stream()
+ self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ self.vapi.ipfix_flush()
+ self.wait_for_cflow_packet(self.collector, templates[1])
+ self.collector.get_capture(4)
+
+ # disable IPFIX
+ ipfix.disable_flowprobe_feature()
+ self.pg_enable_capture([self.collector])
+
+ self.send_packets()
+
+ # make sure no one packet arrived in active timer span
+ self.vapi.ipfix_flush()
+ self.wait_for_cflow_packet(self.collector, templates[1],
+ expected=False)
+ self.collector.get_capture(0)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0001")
+
+
+@unittest.skipUnless(running_extended_tests, "part of extended tests")
+class ReenableFP(MethodHolder):
+ """Re-enable Flowprobe feature"""
+
+ @classmethod
+ def setUpClass(cls):
+ super(ReenableFP, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(ReenableFP, cls).tearDownClass()
+
+ def test_0001(self):
+ """ disable flowprobe feature after first packets and re-enable
+ after few packets """
+ self.logger.info("FFP_TEST_START_0001")
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pkts = []
+
+ ipfix = VppCFLOW(test=self)
+ ipfix.add_vpp_config()
+
+ ipfix_decoder = IPFIXDecoder()
+ # template packet should arrive immediately
+ self.vapi.ipfix_flush()
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
+
+ self.create_stream()
+ self.send_packets()
+
+ # make sure the one packet we expect actually showed up
+ self.vapi.ipfix_flush()
+ self.wait_for_cflow_packet(self.collector, templates[1], 5)
+ self.collector.get_capture(4)
+
+ # disable FPP feature
+ ipfix.disable_flowprobe_feature()
+ self.pg_enable_capture([self.collector])
+
+ self.send_packets()
+
+ # make sure no one packet arrived in active timer span
+ self.vapi.ipfix_flush()
+ self.wait_for_cflow_packet(self.collector, templates[1], 5,
+ expected=False)
+ self.collector.get_capture(0)
+
+ # enable FPP feature
+ ipfix.enable_flowprobe_feature()
+ self.vapi.ipfix_flush()
+ templates = ipfix.verify_templates(ipfix_decoder, timeout=3)
+
+ self.send_packets()
+
+ # make sure the next packets (templates and data) we expect actually
+ # showed up
+ self.vapi.ipfix_flush()
+ self.wait_for_cflow_packet(self.collector, templates[1], 5)
+ self.collector.get_capture(4)
+
+ ipfix.remove_vpp_config()
+ self.logger.info("FFP_TEST_FINISH_0001")
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/src/plugins/gbp/test/test_gbp.py b/src/plugins/gbp/test/test_gbp.py
new file mode 100644
index 00000000000..2d7fa459440
--- /dev/null
+++ b/src/plugins/gbp/test/test_gbp.py
@@ -0,0 +1,5425 @@
+#!/usr/bin/env python
+
+from socket import AF_INET, AF_INET6
+import unittest
+
+from scapy.packet import Raw
+from scapy.layers.l2 import Ether, ARP, Dot1Q
+from scapy.layers.inet import IP, UDP, ICMP
+from scapy.layers.inet6 import IPv6, ICMPv6ND_NS, ICMPv6NDOptSrcLLAddr, \
+ ICMPv6ND_NA, ICMPv6EchoRequest
+from scapy.utils6 import in6_getnsma, in6_getnsmac
+from scapy.layers.vxlan import VXLAN
+from scapy.data import ETH_P_IP, ETH_P_IPV6, ETH_P_ARP
+from scapy.utils import inet_pton, inet_ntop
+
+from framework import VppTestCase, VppTestRunner
+from vpp_object import VppObject
+from vpp_interface import VppInterface
+from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable, \
+ VppIpInterfaceAddress, VppIpInterfaceBind, find_route, FibPathProto, \
+ FibPathType
+from vpp_l2 import VppBridgeDomain, VppBridgeDomainPort, \
+ VppBridgeDomainArpEntry, VppL2FibEntry, find_bridge_domain_port, VppL2Vtr
+from vpp_sub_interface import L2_VTR_OP, VppDot1QSubint
+from vpp_ip import VppIpAddress, VppIpPrefix, DpoProto
+from vpp_papi import VppEnum, MACAddress
+from vpp_vxlan_gbp_tunnel import find_vxlan_gbp_tunnel, INDEX_INVALID, \
+ VppVxlanGbpTunnel
+from vpp_neighbor import VppNeighbor
+try:
+ text_type = unicode
+except NameError:
+ text_type = str
+
+NUM_PKTS = 67
+
+
+def find_gbp_endpoint(test, sw_if_index=None, ip=None, mac=None,
+ tep=None, sclass=None):
+ if ip:
+ vip = VppIpAddress(ip)
+ if mac:
+ vmac = MACAddress(mac)
+
+ eps = test.vapi.gbp_endpoint_dump()
+
+ for ep in eps:
+ if tep:
+ src = VppIpAddress(tep[0])
+ dst = VppIpAddress(tep[1])
+ if src != ep.endpoint.tun.src or dst != ep.endpoint.tun.dst:
+ continue
+ if sw_if_index:
+ if ep.endpoint.sw_if_index != sw_if_index:
+ continue
+ if sclass:
+ if ep.endpoint.sclass != sclass:
+ continue
+ if ip:
+ for eip in ep.endpoint.ips:
+ if vip == eip:
+ return True
+ if mac:
+ if vmac.packed == ep.endpoint.mac:
+ return True
+
+ return False
+
+
+def find_gbp_vxlan(test, vni):
+ ts = test.vapi.gbp_vxlan_tunnel_dump()
+ for t in ts:
+ if t.tunnel.vni == vni:
+ return True
+ return False
+
+
+class VppGbpEndpoint(VppObject):
+ """
+ GBP Endpoint
+ """
+
+ @property
+ def mac(self):
+ return str(self.vmac)
+
+ @property
+ def ip4(self):
+ return self._ip4
+
+ @property
+ def fip4(self):
+ return self._fip4
+
+ @property
+ def ip6(self):
+ return self._ip6
+
+ @property
+ def fip6(self):
+ return self._fip6
+
+ @property
+ def ips(self):
+ return [self.ip4, self.ip6]
+
+ @property
+ def fips(self):
+ return [self.fip4, self.fip6]
+
+ def __init__(self, test, itf, epg, recirc, ip4, fip4, ip6, fip6,
+ flags=0,
+ tun_src="0.0.0.0",
+ tun_dst="0.0.0.0",
+ mac=True):
+ self._test = test
+ self.itf = itf
+ self.epg = epg
+ self.recirc = recirc
+
+ self._ip4 = VppIpAddress(ip4)
+ self._fip4 = VppIpAddress(fip4)
+ self._ip6 = VppIpAddress(ip6)
+ self._fip6 = VppIpAddress(fip6)
+
+ if mac:
+ self.vmac = MACAddress(self.itf.remote_mac)
+ else:
+ self.vmac = MACAddress("00:00:00:00:00:00")
+
+ self.flags = flags
+ self.tun_src = VppIpAddress(tun_src)
+ self.tun_dst = VppIpAddress(tun_dst)
+
+ def add_vpp_config(self):
+ res = self._test.vapi.gbp_endpoint_add(
+ self.itf.sw_if_index,
+ [self.ip4.encode(), self.ip6.encode()],
+ self.vmac.packed,
+ self.epg.sclass,
+ self.flags,
+ self.tun_src.encode(),
+ self.tun_dst.encode())
+ self.handle = res.handle
+ self._test.registry.register(self, self._test.logger)
+
+ def remove_vpp_config(self):
+ self._test.vapi.gbp_endpoint_del(self.handle)
+
+ def object_id(self):
+ return "gbp-endpoint:[%d==%d:%s:%d]" % (self.handle,
+ self.itf.sw_if_index,
+ self.ip4.address,
+ self.epg.sclass)
+
+ def query_vpp_config(self):
+ return find_gbp_endpoint(self._test,
+ self.itf.sw_if_index,
+ self.ip4.address)
+
+
+class VppGbpRecirc(VppObject):
+ """
+ GBP Recirculation Interface
+ """
+
+ def __init__(self, test, epg, recirc, is_ext=False):
+ self._test = test
+ self.recirc = recirc
+ self.epg = epg
+ self.is_ext = is_ext
+
+ def add_vpp_config(self):
+ self._test.vapi.gbp_recirc_add_del(
+ 1,
+ self.recirc.sw_if_index,
+ self.epg.sclass,
+ self.is_ext)
+ self._test.registry.register(self, self._test.logger)
+
+ def remove_vpp_config(self):
+ self._test.vapi.gbp_recirc_add_del(
+ 0,
+ self.recirc.sw_if_index,
+ self.epg.sclass,
+ self.is_ext)
+
+ def object_id(self):
+ return "gbp-recirc:[%d]" % (self.recirc.sw_if_index)
+
+ def query_vpp_config(self):
+ rs = self._test.vapi.gbp_recirc_dump()
+ for r in rs:
+ if r.recirc.sw_if_index == self.recirc.sw_if_index:
+ return True
+ return False
+
+
+class VppGbpExtItf(VppObject):
+ """
+ GBP ExtItfulation Interface
+ """
+
+ def __init__(self, test, itf, bd, rd, anon=False):
+ self._test = test
+ self.itf = itf
+ self.bd = bd
+ self.rd = rd
+ self.flags = 1 if anon else 0
+
+ def add_vpp_config(self):
+ self._test.vapi.gbp_ext_itf_add_del(
+ 1, self.itf.sw_if_index, self.bd.bd_id, self.rd.rd_id, self.flags)
+ self._test.registry.register(self, self._test.logger)
+
+ def remove_vpp_config(self):
+ self._test.vapi.gbp_ext_itf_add_del(
+ 0, self.itf.sw_if_index, self.bd.bd_id, self.rd.rd_id, self.flags)
+
+ def object_id(self):
+ return "gbp-ext-itf:[%d]%s" % (self.itf.sw_if_index,
+ " [anon]" if self.flags else "")
+
+ def query_vpp_config(self):
+ rs = self._test.vapi.gbp_ext_itf_dump()
+ for r in rs:
+ if r.ext_itf.sw_if_index == self.itf.sw_if_index:
+ return True
+ return False
+
+
+class VppGbpSubnet(VppObject):
+ """
+ GBP Subnet
+ """
+
+ def __init__(self, test, rd, address, address_len,
+ type, sw_if_index=None, sclass=None):
+ self._test = test
+ self.rd_id = rd.rd_id
+ self.prefix = VppIpPrefix(address, address_len)
+ self.type = type
+ self.sw_if_index = sw_if_index
+ self.sclass = sclass
+
+ def add_vpp_config(self):
+ self._test.vapi.gbp_subnet_add_del(
+ 1,
+ self.rd_id,
+ self.prefix.encode(),
+ self.type,
+ sw_if_index=self.sw_if_index if self.sw_if_index else 0xffffffff,
+ sclass=self.sclass if self.sclass else 0xffff)
+ self._test.registry.register(self, self._test.logger)
+
+ def remove_vpp_config(self):
+ self._test.vapi.gbp_subnet_add_del(
+ 0,
+ self.rd_id,
+ self.prefix.encode(),
+ self.type)
+
+ def object_id(self):
+ return "gbp-subnet:[%d-%s]" % (self.rd_id, self.prefix)
+
+ def query_vpp_config(self):
+ ss = self._test.vapi.gbp_subnet_dump()
+ for s in ss:
+ if s.subnet.rd_id == self.rd_id and \
+ s.subnet.type == self.type and \
+ s.subnet.prefix == self.prefix:
+ return True
+ return False
+
+
+class VppGbpEndpointRetention(object):
+ def __init__(self, remote_ep_timeout=0xffffffff):
+ self.remote_ep_timeout = remote_ep_timeout
+
+ def encode(self):
+ return {'remote_ep_timeout': self.remote_ep_timeout}
+
+
+class VppGbpEndpointGroup(VppObject):
+ """
+ GBP Endpoint Group
+ """
+
+ def __init__(self, test, vnid, sclass, rd, bd, uplink,
+ bvi, bvi_ip4, bvi_ip6=None,
+ retention=VppGbpEndpointRetention()):
+ self._test = test
+ self.uplink = uplink
+ self.bvi = bvi
+ self.bvi_ip4 = VppIpAddress(bvi_ip4)
+ self.bvi_ip6 = VppIpAddress(bvi_ip6)
+ self.vnid = vnid
+ self.bd = bd
+ self.rd = rd
+ self.sclass = sclass
+ if 0 == self.sclass:
+ self.sclass = 0xffff
+ self.retention = retention
+
+ def add_vpp_config(self):
+ self._test.vapi.gbp_endpoint_group_add(
+ self.vnid,
+ self.sclass,
+ self.bd.bd.bd_id,
+ self.rd.rd_id,
+ self.uplink.sw_if_index if self.uplink else INDEX_INVALID,
+ self.retention.encode())
+ self._test.registry.register(self, self._test.logger)
+
+ def remove_vpp_config(self):
+ self._test.vapi.gbp_endpoint_group_del(self.sclass)
+
+ def object_id(self):
+ return "gbp-endpoint-group:[%d]" % (self.vnid)
+
+ def query_vpp_config(self):
+ epgs = self._test.vapi.gbp_endpoint_group_dump()
+ for epg in epgs:
+ if epg.epg.vnid == self.vnid:
+ return True
+ return False
+
+
+class VppGbpBridgeDomain(VppObject):
+ """
+ GBP Bridge Domain
+ """
+
+ def __init__(self, test, bd, rd, bvi, uu_fwd=None,
+ bm_flood=None, learn=True,
+ uu_drop=False, bm_drop=False,
+ ucast_arp=False):
+ self._test = test
+ self.bvi = bvi
+ self.uu_fwd = uu_fwd
+ self.bm_flood = bm_flood
+ self.bd = bd
+ self.rd = rd
+
+ e = VppEnum.vl_api_gbp_bridge_domain_flags_t
+
+ self.flags = e.GBP_BD_API_FLAG_NONE
+ if not learn:
+ self.flags |= e.GBP_BD_API_FLAG_DO_NOT_LEARN
+ if uu_drop:
+ self.flags |= e.GBP_BD_API_FLAG_UU_FWD_DROP
+ if bm_drop:
+ self.flags |= e.GBP_BD_API_FLAG_MCAST_DROP
+ if ucast_arp:
+ self.flags |= e.GBP_BD_API_FLAG_UCAST_ARP
+
+ def add_vpp_config(self):
+ self._test.vapi.gbp_bridge_domain_add(
+ self.bd.bd_id,
+ self.rd.rd_id,
+ self.flags,
+ self.bvi.sw_if_index,
+ self.uu_fwd.sw_if_index if self.uu_fwd else INDEX_INVALID,
+ self.bm_flood.sw_if_index if self.bm_flood else INDEX_INVALID)
+ self._test.registry.register(self, self._test.logger)
+
+ def remove_vpp_config(self):
+ self._test.vapi.gbp_bridge_domain_del(self.bd.bd_id)
+
+ def object_id(self):
+ return "gbp-bridge-domain:[%d]" % (self.bd.bd_id)
+
+ def query_vpp_config(self):
+ bds = self._test.vapi.gbp_bridge_domain_dump()
+ for bd in bds:
+ if bd.bd.bd_id == self.bd.bd_id:
+ return True
+ return False
+
+
+class VppGbpRouteDomain(VppObject):
+ """
+ GBP Route Domain
+ """
+
+ def __init__(self, test, rd_id, scope, t4, t6, ip4_uu=None, ip6_uu=None):
+ self._test = test
+ self.rd_id = rd_id
+ self.scope = scope
+ self.t4 = t4
+ self.t6 = t6
+ self.ip4_uu = ip4_uu
+ self.ip6_uu = ip6_uu
+
+ def add_vpp_config(self):
+ self._test.vapi.gbp_route_domain_add(
+ self.rd_id,
+ self.scope,
+ self.t4.table_id,
+ self.t6.table_id,
+ self.ip4_uu.sw_if_index if self.ip4_uu else INDEX_INVALID,
+ self.ip6_uu.sw_if_index if self.ip6_uu else INDEX_INVALID)
+ self._test.registry.register(self, self._test.logger)
+
+ def remove_vpp_config(self):
+ self._test.vapi.gbp_route_domain_del(self.rd_id)
+
+ def object_id(self):
+ return "gbp-route-domain:[%d]" % (self.rd_id)
+
+ def query_vpp_config(self):
+ rds = self._test.vapi.gbp_route_domain_dump()
+ for rd in rds:
+ if rd.rd.rd_id == self.rd_id:
+ return True
+ return False
+
+
+class VppGbpContractNextHop():
+ def __init__(self, mac, bd, ip, rd):
+ self.mac = mac
+ self.ip = ip
+ self.bd = bd
+ self.rd = rd
+
+ def encode(self):
+ return {'ip': self.ip.encode(),
+ 'mac': self.mac.packed,
+ 'bd_id': self.bd.bd.bd_id,
+ 'rd_id': self.rd.rd_id}
+
+
+class VppGbpContractRule():
+ def __init__(self, action, hash_mode, nhs=None):
+ self.action = action
+ self.hash_mode = hash_mode
+ self.nhs = [] if nhs is None else nhs
+
+ def encode(self):
+ nhs = []
+ for nh in self.nhs:
+ nhs.append(nh.encode())
+ while len(nhs) < 8:
+ nhs.append({})
+ return {'action': self.action,
+ 'nh_set': {
+ 'hash_mode': self.hash_mode,
+ 'n_nhs': len(self.nhs),
+ 'nhs': nhs}}
+
+ def __repr__(self):
+ return '<VppGbpContractRule action=%s, hash_mode=%s>' % (
+ self.action, self.hash_mode)
+
+
+class VppGbpContract(VppObject):
+ """
+ GBP Contract
+ """
+
+ def __init__(self, test, scope, sclass, dclass, acl_index,
+ rules, allowed_ethertypes):
+ self._test = test
+ if not isinstance(rules, list):
+ raise ValueError("'rules' must be a list.")
+ if not isinstance(allowed_ethertypes, list):
+ raise ValueError("'allowed_ethertypes' must be a list.")
+ self.scope = scope
+ self.acl_index = acl_index
+ self.sclass = sclass
+ self.dclass = dclass
+ self.rules = rules
+ self.allowed_ethertypes = allowed_ethertypes
+ while (len(self.allowed_ethertypes) < 16):
+ self.allowed_ethertypes.append(0)
+
+ def add_vpp_config(self):
+ rules = []
+ for r in self.rules:
+ rules.append(r.encode())
+ r = self._test.vapi.gbp_contract_add_del(
+ is_add=1,
+ contract={
+ 'acl_index': self.acl_index,
+ 'scope': self.scope,
+ 'sclass': self.sclass,
+ 'dclass': self.dclass,
+ 'n_rules': len(rules),
+ 'rules': rules,
+ 'n_ether_types': len(self.allowed_ethertypes),
+ 'allowed_ethertypes': self.allowed_ethertypes})
+ self.stats_index = r.stats_index
+ self._test.registry.register(self, self._test.logger)
+
+ def remove_vpp_config(self):
+ self._test.vapi.gbp_contract_add_del(
+ is_add=0,
+ contract={
+ 'acl_index': self.acl_index,
+ 'scope': self.scope,
+ 'sclass': self.sclass,
+ 'dclass': self.dclass,
+ 'n_rules': 0,
+ 'rules': [],
+ 'n_ether_types': len(self.allowed_ethertypes),
+ 'allowed_ethertypes': self.allowed_ethertypes})
+
+ def object_id(self):
+ return "gbp-contract:[%d:%d:%d:%d]" % (self.scope,
+ self.sclass,
+ self.dclass,
+ self.acl_index)
+
+ def query_vpp_config(self):
+ cs = self._test.vapi.gbp_contract_dump()
+ for c in cs:
+ if c.contract.scope == self.scope \
+ and c.contract.sclass == self.sclass \
+ and c.contract.dclass == self.dclass:
+ return True
+ return False
+
+ def get_drop_stats(self):
+ c = self._test.statistics.get_counter("/net/gbp/contract/drop")
+ return c[0][self.stats_index]
+
+ def get_permit_stats(self):
+ c = self._test.statistics.get_counter("/net/gbp/contract/permit")
+ return c[0][self.stats_index]
+
+
+class VppGbpVxlanTunnel(VppInterface):
+ """
+ GBP VXLAN tunnel
+ """
+
+ def __init__(self, test, vni, bd_rd_id, mode, src):
+ super(VppGbpVxlanTunnel, self).__init__(test)
+ self._test = test
+ self.vni = vni
+ self.bd_rd_id = bd_rd_id
+ self.mode = mode
+ self.src = src
+
+ def add_vpp_config(self):
+ r = self._test.vapi.gbp_vxlan_tunnel_add(
+ self.vni,
+ self.bd_rd_id,
+ self.mode,
+ self.src)
+ self.set_sw_if_index(r.sw_if_index)
+ self._test.registry.register(self, self._test.logger)
+
+ def remove_vpp_config(self):
+ self._test.vapi.gbp_vxlan_tunnel_del(self.vni)
+
+ def object_id(self):
+ return "gbp-vxlan:%d" % (self.sw_if_index)
+
+ def query_vpp_config(self):
+ return find_gbp_vxlan(self._test, self.vni)
+
+
+class VppGbpAcl(VppObject):
+ """
+ GBP Acl
+ """
+
+ def __init__(self, test):
+ self._test = test
+ self.acl_index = 4294967295
+
+ def create_rule(self, is_ipv6=0, permit_deny=0, proto=-1,
+ s_prefix=0, s_ip=b'\x00\x00\x00\x00', sport_from=0,
+ sport_to=65535, d_prefix=0, d_ip=b'\x00\x00\x00\x00',
+ dport_from=0, dport_to=65535):
+ if proto == -1 or proto == 0:
+ sport_to = 0
+ dport_to = sport_to
+ elif proto == 1 or proto == 58:
+ sport_to = 255
+ dport_to = sport_to
+ rule = ({'is_permit': permit_deny, 'is_ipv6': is_ipv6, 'proto': proto,
+ 'srcport_or_icmptype_first': sport_from,
+ 'srcport_or_icmptype_last': sport_to,
+ 'src_ip_prefix_len': s_prefix,
+ 'src_ip_addr': s_ip,
+ 'dstport_or_icmpcode_first': dport_from,
+ 'dstport_or_icmpcode_last': dport_to,
+ 'dst_ip_prefix_len': d_prefix,
+ 'dst_ip_addr': d_ip})
+ return rule
+
+ def add_vpp_config(self, rules):
+
+ reply = self._test.vapi.acl_add_replace(acl_index=self.acl_index,
+ r=rules,
+ tag=b'GBPTest')
+ self.acl_index = reply.acl_index
+ return self.acl_index
+
+ def remove_vpp_config(self):
+ self._test.vapi.acl_del(self.acl_index)
+
+ def object_id(self):
+ return "gbp-acl:[%d]" % (self.acl_index)
+
+ def query_vpp_config(self):
+ cs = self._test.vapi.acl_dump()
+ for c in cs:
+ if c.acl_index == self.acl_index:
+ return True
+ return False
+
+
+class TestGBP(VppTestCase):
+ """ GBP Test Case """
+
+ @property
+ def config_flags(self):
+ return VppEnum.vl_api_nat_config_flags_t
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestGBP, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestGBP, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestGBP, self).setUp()
+
+ self.create_pg_interfaces(range(9))
+ self.create_loopback_interfaces(8)
+
+ self.router_mac = MACAddress("00:11:22:33:44:55")
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+ for i in self.lo_interfaces:
+ i.admin_up()
+
+ self.vlan_100 = VppDot1QSubint(self, self.pg0, 100)
+ self.vlan_100.admin_up()
+ self.vlan_101 = VppDot1QSubint(self, self.pg0, 101)
+ self.vlan_101.admin_up()
+ self.vlan_102 = VppDot1QSubint(self, self.pg0, 102)
+ self.vlan_102.admin_up()
+
+ def tearDown(self):
+ for i in self.pg_interfaces:
+ i.admin_down()
+ super(TestGBP, self).tearDown()
+ self.vlan_102.remove_vpp_config()
+ self.vlan_101.remove_vpp_config()
+ self.vlan_100.remove_vpp_config()
+
+ def send_and_expect_bridged(self, src, tx, dst):
+ rx = self.send_and_expect(src, tx, dst)
+
+ for r in rx:
+ self.assertEqual(r[Ether].src, tx[0][Ether].src)
+ self.assertEqual(r[Ether].dst, tx[0][Ether].dst)
+ self.assertEqual(r[IP].src, tx[0][IP].src)
+ self.assertEqual(r[IP].dst, tx[0][IP].dst)
+ return rx
+
+ def send_and_expect_bridged6(self, src, tx, dst):
+ rx = self.send_and_expect(src, tx, dst)
+
+ for r in rx:
+ self.assertEqual(r[Ether].src, tx[0][Ether].src)
+ self.assertEqual(r[Ether].dst, tx[0][Ether].dst)
+ self.assertEqual(r[IPv6].src, tx[0][IPv6].src)
+ self.assertEqual(r[IPv6].dst, tx[0][IPv6].dst)
+ return rx
+
+ def send_and_expect_routed(self, src, tx, dst, src_mac):
+ rx = self.send_and_expect(src, tx, dst)
+
+ for r in rx:
+ self.assertEqual(r[Ether].src, src_mac)
+ self.assertEqual(r[Ether].dst, dst.remote_mac)
+ self.assertEqual(r[IP].src, tx[0][IP].src)
+ self.assertEqual(r[IP].dst, tx[0][IP].dst)
+ return rx
+
+ def send_and_expect_routed6(self, src, tx, dst, src_mac):
+ rx = self.send_and_expect(src, tx, dst)
+
+ for r in rx:
+ self.assertEqual(r[Ether].src, src_mac)
+ self.assertEqual(r[Ether].dst, dst.remote_mac)
+ self.assertEqual(r[IPv6].src, tx[0][IPv6].src)
+ self.assertEqual(r[IPv6].dst, tx[0][IPv6].dst)
+ return rx
+
+ def send_and_expect_natted(self, src, tx, dst, src_ip):
+ rx = self.send_and_expect(src, tx, dst)
+
+ for r in rx:
+ self.assertEqual(r[Ether].src, tx[0][Ether].src)
+ self.assertEqual(r[Ether].dst, tx[0][Ether].dst)
+ self.assertEqual(r[IP].src, src_ip)
+ self.assertEqual(r[IP].dst, tx[0][IP].dst)
+ return rx
+
+ def send_and_expect_natted6(self, src, tx, dst, src_ip):
+ rx = self.send_and_expect(src, tx, dst)
+
+ for r in rx:
+ self.assertEqual(r[Ether].src, tx[0][Ether].src)
+ self.assertEqual(r[Ether].dst, tx[0][Ether].dst)
+ self.assertEqual(r[IPv6].src, src_ip)
+ self.assertEqual(r[IPv6].dst, tx[0][IPv6].dst)
+ return rx
+
+ def send_and_expect_unnatted(self, src, tx, dst, dst_ip):
+ rx = self.send_and_expect(src, tx, dst)
+
+ for r in rx:
+ self.assertEqual(r[Ether].src, tx[0][Ether].src)
+ self.assertEqual(r[Ether].dst, tx[0][Ether].dst)
+ self.assertEqual(r[IP].dst, dst_ip)
+ self.assertEqual(r[IP].src, tx[0][IP].src)
+ return rx
+
+ def send_and_expect_unnatted6(self, src, tx, dst, dst_ip):
+ rx = self.send_and_expect(src, tx, dst)
+
+ for r in rx:
+ self.assertEqual(r[Ether].src, tx[0][Ether].src)
+ self.assertEqual(r[Ether].dst, tx[0][Ether].dst)
+ self.assertEqual(r[IPv6].dst, dst_ip)
+ self.assertEqual(r[IPv6].src, tx[0][IPv6].src)
+ return rx
+
+ def send_and_expect_double_natted(self, src, tx, dst, src_ip, dst_ip):
+ rx = self.send_and_expect(src, tx, dst)
+
+ for r in rx:
+ self.assertEqual(r[Ether].src, str(self.router_mac))
+ self.assertEqual(r[Ether].dst, dst.remote_mac)
+ self.assertEqual(r[IP].dst, dst_ip)
+ self.assertEqual(r[IP].src, src_ip)
+ return rx
+
+ def send_and_expect_double_natted6(self, src, tx, dst, src_ip, dst_ip):
+ rx = self.send_and_expect(src, tx, dst)
+
+ for r in rx:
+ self.assertEqual(r[Ether].src, str(self.router_mac))
+ self.assertEqual(r[Ether].dst, dst.remote_mac)
+ self.assertEqual(r[IPv6].dst, dst_ip)
+ self.assertEqual(r[IPv6].src, src_ip)
+ return rx
+
+ def send_and_expect_no_arp(self, src, tx, dst):
+ self.pg_send(src, tx)
+ dst.get_capture(0, timeout=1)
+ dst.assert_nothing_captured(remark="")
+ timeout = 0.1
+
+ def send_and_expect_arp(self, src, tx, dst):
+ rx = self.send_and_expect(src, tx, dst)
+
+ for r in rx:
+ self.assertEqual(r[Ether].src, tx[0][Ether].src)
+ self.assertEqual(r[Ether].dst, tx[0][Ether].dst)
+ self.assertEqual(r[ARP].psrc, tx[0][ARP].psrc)
+ self.assertEqual(r[ARP].pdst, tx[0][ARP].pdst)
+ self.assertEqual(r[ARP].hwsrc, tx[0][ARP].hwsrc)
+ self.assertEqual(r[ARP].hwdst, tx[0][ARP].hwdst)
+ return rx
+
+ def test_gbp(self):
+ """ Group Based Policy """
+
+ ep_flags = VppEnum.vl_api_gbp_endpoint_flags_t
+
+ #
+ # Route Domains
+ #
+ gt4 = VppIpTable(self, 0)
+ gt4.add_vpp_config()
+ gt6 = VppIpTable(self, 0, is_ip6=True)
+ gt6.add_vpp_config()
+ nt4 = VppIpTable(self, 20)
+ nt4.add_vpp_config()
+ nt6 = VppIpTable(self, 20, is_ip6=True)
+ nt6.add_vpp_config()
+
+ rd0 = VppGbpRouteDomain(self, 0, 400, gt4, gt6, None, None)
+ rd20 = VppGbpRouteDomain(self, 20, 420, nt4, nt6, None, None)
+
+ rd0.add_vpp_config()
+ rd20.add_vpp_config()
+
+ #
+ # Bridge Domains
+ #
+ bd1 = VppBridgeDomain(self, 1)
+ bd2 = VppBridgeDomain(self, 2)
+ bd20 = VppBridgeDomain(self, 20)
+
+ bd1.add_vpp_config()
+ bd2.add_vpp_config()
+ bd20.add_vpp_config()
+
+ gbd1 = VppGbpBridgeDomain(self, bd1, rd0, self.loop0)
+ gbd2 = VppGbpBridgeDomain(self, bd2, rd0, self.loop1)
+ gbd20 = VppGbpBridgeDomain(self, bd20, rd20, self.loop2)
+
+ gbd1.add_vpp_config()
+ gbd2.add_vpp_config()
+ gbd20.add_vpp_config()
+
+ #
+ # 3 EPGs, 2 of which share a BD.
+ # 2 NAT EPGs, one for floating-IP subnets, the other for internet
+ #
+ epgs = [VppGbpEndpointGroup(self, 220, 1220, rd0, gbd1,
+ self.pg4, self.loop0,
+ "10.0.0.128", "2001:10::128"),
+ VppGbpEndpointGroup(self, 221, 1221, rd0, gbd1,
+ self.pg5, self.loop0,
+ "10.0.1.128", "2001:10:1::128"),
+ VppGbpEndpointGroup(self, 222, 1222, rd0, gbd2,
+ self.pg6, self.loop1,
+ "10.0.2.128", "2001:10:2::128"),
+ VppGbpEndpointGroup(self, 333, 1333, rd20, gbd20,
+ self.pg7, self.loop2,
+ "11.0.0.128", "3001::128"),
+ VppGbpEndpointGroup(self, 444, 1444, rd20, gbd20,
+ self.pg8, self.loop2,
+ "11.0.0.129", "3001::129")]
+ recircs = [VppGbpRecirc(self, epgs[0], self.loop3),
+ VppGbpRecirc(self, epgs[1], self.loop4),
+ VppGbpRecirc(self, epgs[2], self.loop5),
+ VppGbpRecirc(self, epgs[3], self.loop6, is_ext=True),
+ VppGbpRecirc(self, epgs[4], self.loop7, is_ext=True)]
+
+ epg_nat = epgs[3]
+ recirc_nat = recircs[3]
+
+ #
+ # 4 end-points, 2 in the same subnet, 3 in the same BD
+ #
+ eps = [VppGbpEndpoint(self, self.pg0,
+ epgs[0], recircs[0],
+ "10.0.0.1", "11.0.0.1",
+ "2001:10::1", "3001::1"),
+ VppGbpEndpoint(self, self.pg1,
+ epgs[0], recircs[0],
+ "10.0.0.2", "11.0.0.2",
+ "2001:10::2", "3001::2"),
+ VppGbpEndpoint(self, self.pg2,
+ epgs[1], recircs[1],
+ "10.0.1.1", "11.0.0.3",
+ "2001:10:1::1", "3001::3"),
+ VppGbpEndpoint(self, self.pg3,
+ epgs[2], recircs[2],
+ "10.0.2.1", "11.0.0.4",
+ "2001:10:2::1", "3001::4")]
+
+ #
+ # Config related to each of the EPGs
+ #
+ for epg in epgs:
+ # IP config on the BVI interfaces
+ if epg != epgs[1] and epg != epgs[4]:
+ VppIpInterfaceBind(self, epg.bvi, epg.rd.t4).add_vpp_config()
+ VppIpInterfaceBind(self, epg.bvi, epg.rd.t6).add_vpp_config()
+ self.vapi.sw_interface_set_mac_address(
+ epg.bvi.sw_if_index,
+ self.router_mac.packed)
+
+ # The BVIs are NAT inside interfaces
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=epg.bvi.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat66_add_del_interface(
+ is_add=1, flags=flags,
+ sw_if_index=epg.bvi.sw_if_index)
+
+ if_ip4 = VppIpInterfaceAddress(self, epg.bvi, epg.bvi_ip4, 32)
+ if_ip6 = VppIpInterfaceAddress(self, epg.bvi, epg.bvi_ip6, 128)
+ if_ip4.add_vpp_config()
+ if_ip6.add_vpp_config()
+
+ # EPG uplink interfaces in the RD
+ VppIpInterfaceBind(self, epg.uplink, epg.rd.t4).add_vpp_config()
+ VppIpInterfaceBind(self, epg.uplink, epg.rd.t6).add_vpp_config()
+
+ # add the BD ARP termination entry for BVI IP
+ epg.bd_arp_ip4 = VppBridgeDomainArpEntry(self, epg.bd.bd,
+ str(self.router_mac),
+ epg.bvi_ip4.address)
+ epg.bd_arp_ip6 = VppBridgeDomainArpEntry(self, epg.bd.bd,
+ str(self.router_mac),
+ epg.bvi_ip6.address)
+ epg.bd_arp_ip4.add_vpp_config()
+ epg.bd_arp_ip6.add_vpp_config()
+
+ # EPG in VPP
+ epg.add_vpp_config()
+
+ for recirc in recircs:
+ # EPG's ingress recirculation interface maps to its RD
+ VppIpInterfaceBind(self, recirc.recirc,
+ recirc.epg.rd.t4).add_vpp_config()
+ VppIpInterfaceBind(self, recirc.recirc,
+ recirc.epg.rd.t6).add_vpp_config()
+
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=recirc.recirc.sw_if_index, is_add=1)
+ self.vapi.nat66_add_del_interface(
+ is_add=1,
+ sw_if_index=recirc.recirc.sw_if_index)
+
+ recirc.add_vpp_config()
+
+ for recirc in recircs:
+ self.assertTrue(find_bridge_domain_port(self,
+ recirc.epg.bd.bd.bd_id,
+ recirc.recirc.sw_if_index))
+
+ for ep in eps:
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ #
+ # routes to the endpoints. We need these since there are no
+ # adj-fibs due to the fact the the BVI address has /32 and
+ # the subnet is not attached.
+ #
+ for (ip, fip) in zip(ep.ips, ep.fips):
+ # Add static mappings for each EP from the 10/8 to 11/8 network
+ if ip.af == AF_INET:
+ flags = self.config_flags.NAT_IS_ADDR_ONLY
+ self.vapi.nat44_add_del_static_mapping(
+ is_add=1,
+ local_ip_address=ip.bytes,
+ external_ip_address=fip.bytes,
+ external_sw_if_index=0xFFFFFFFF,
+ vrf_id=0,
+ flags=flags)
+ else:
+ self.vapi.nat66_add_del_static_mapping(
+ local_ip_address=ip.bytes,
+ external_ip_address=fip.bytes,
+ vrf_id=0, is_add=1)
+
+ # VPP EP create ...
+ ep.add_vpp_config()
+
+ self.logger.info(self.vapi.cli("sh gbp endpoint"))
+
+ # ... results in a Gratuitous ARP/ND on the EPG's uplink
+ rx = ep.epg.uplink.get_capture(len(ep.ips), timeout=0.2)
+
+ for ii, ip in enumerate(ep.ips):
+ p = rx[ii]
+
+ if ip.is_ip6:
+ self.assertTrue(p.haslayer(ICMPv6ND_NA))
+ self.assertEqual(p[ICMPv6ND_NA].tgt, ip.address)
+ else:
+ self.assertTrue(p.haslayer(ARP))
+ self.assertEqual(p[ARP].psrc, ip.address)
+ self.assertEqual(p[ARP].pdst, ip.address)
+
+ # add the BD ARP termination entry for floating IP
+ for fip in ep.fips:
+ ba = VppBridgeDomainArpEntry(self, epg_nat.bd.bd, ep.mac,
+ fip.address)
+ ba.add_vpp_config()
+
+ # floating IPs route via EPG recirc
+ r = VppIpRoute(
+ self, fip.address, fip.length,
+ [VppRoutePath(fip.address,
+ ep.recirc.recirc.sw_if_index,
+ type=FibPathType.FIB_PATH_TYPE_DVR,
+ proto=fip.dpo_proto)],
+ table_id=20)
+ r.add_vpp_config()
+
+ # L2 FIB entries in the NAT EPG BD to bridge the packets from
+ # the outside direct to the internal EPG
+ lf = VppL2FibEntry(self, epg_nat.bd.bd, ep.mac,
+ ep.recirc.recirc, bvi_mac=0)
+ lf.add_vpp_config()
+
+ #
+ # ARP packets for unknown IP are sent to the EPG uplink
+ #
+ pkt_arp = (Ether(dst="ff:ff:ff:ff:ff:ff",
+ src=self.pg0.remote_mac) /
+ ARP(op="who-has",
+ hwdst="ff:ff:ff:ff:ff:ff",
+ hwsrc=self.pg0.remote_mac,
+ pdst="10.0.0.88",
+ psrc="10.0.0.99"))
+
+ self.vapi.cli("clear trace")
+ self.pg0.add_stream(pkt_arp)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rxd = epgs[0].uplink.get_capture(1)
+
+ #
+ # ARP/ND packets get a response
+ #
+ pkt_arp = (Ether(dst="ff:ff:ff:ff:ff:ff",
+ src=self.pg0.remote_mac) /
+ ARP(op="who-has",
+ hwdst="ff:ff:ff:ff:ff:ff",
+ hwsrc=self.pg0.remote_mac,
+ pdst=epgs[0].bvi_ip4.address,
+ psrc=eps[0].ip4.address))
+
+ self.send_and_expect(self.pg0, [pkt_arp], self.pg0)
+
+ nsma = in6_getnsma(inet_pton(AF_INET6, eps[0].ip6.address))
+ d = inet_ntop(AF_INET6, nsma)
+ pkt_nd = (Ether(dst=in6_getnsmac(nsma),
+ src=self.pg0.remote_mac) /
+ IPv6(dst=d, src=eps[0].ip6.address) /
+ ICMPv6ND_NS(tgt=epgs[0].bvi_ip6.address) /
+ ICMPv6NDOptSrcLLAddr(lladdr=self.pg0.remote_mac))
+ self.send_and_expect(self.pg0, [pkt_nd], self.pg0)
+
+ #
+ # broadcast packets are flooded
+ #
+ pkt_bcast = (Ether(dst="ff:ff:ff:ff:ff:ff",
+ src=self.pg0.remote_mac) /
+ IP(src=eps[0].ip4.address, dst="232.1.1.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.vapi.cli("clear trace")
+ self.pg0.add_stream(pkt_bcast)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rxd = eps[1].itf.get_capture(1)
+ self.assertEqual(rxd[0][Ether].dst, pkt_bcast[Ether].dst)
+ rxd = epgs[0].uplink.get_capture(1)
+ self.assertEqual(rxd[0][Ether].dst, pkt_bcast[Ether].dst)
+
+ #
+ # packets to non-local L3 destinations dropped
+ #
+ pkt_intra_epg_220_ip4 = (Ether(src=self.pg0.remote_mac,
+ dst=str(self.router_mac)) /
+ IP(src=eps[0].ip4.address,
+ dst="10.0.0.99") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ pkt_inter_epg_222_ip4 = (Ether(src=self.pg0.remote_mac,
+ dst=str(self.router_mac)) /
+ IP(src=eps[0].ip4.address,
+ dst="10.0.1.99") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_assert_no_replies(self.pg0,
+ pkt_intra_epg_220_ip4 * NUM_PKTS)
+
+ pkt_inter_epg_222_ip6 = (Ether(src=self.pg0.remote_mac,
+ dst=str(self.router_mac)) /
+ IPv6(src=eps[0].ip6.address,
+ dst="2001:10::99") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ self.send_and_assert_no_replies(self.pg0,
+ pkt_inter_epg_222_ip6 * NUM_PKTS)
+
+ #
+ # Add the subnet routes
+ #
+ s41 = VppGbpSubnet(
+ self, rd0, "10.0.0.0", 24,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_INTERNAL)
+ s42 = VppGbpSubnet(
+ self, rd0, "10.0.1.0", 24,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_INTERNAL)
+ s43 = VppGbpSubnet(
+ self, rd0, "10.0.2.0", 24,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_INTERNAL)
+ s61 = VppGbpSubnet(
+ self, rd0, "2001:10::1", 64,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_INTERNAL)
+ s62 = VppGbpSubnet(
+ self, rd0, "2001:10:1::1", 64,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_INTERNAL)
+ s63 = VppGbpSubnet(
+ self, rd0, "2001:10:2::1", 64,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_INTERNAL)
+ s41.add_vpp_config()
+ s42.add_vpp_config()
+ s43.add_vpp_config()
+ s61.add_vpp_config()
+ s62.add_vpp_config()
+ s63.add_vpp_config()
+
+ self.send_and_expect_bridged(eps[0].itf,
+ pkt_intra_epg_220_ip4 * NUM_PKTS,
+ eps[0].epg.uplink)
+ self.send_and_expect_bridged(eps[0].itf,
+ pkt_inter_epg_222_ip4 * NUM_PKTS,
+ eps[0].epg.uplink)
+ self.send_and_expect_bridged6(eps[0].itf,
+ pkt_inter_epg_222_ip6 * NUM_PKTS,
+ eps[0].epg.uplink)
+
+ self.logger.info(self.vapi.cli("sh ip fib 11.0.0.2"))
+ self.logger.info(self.vapi.cli("sh gbp endpoint-group"))
+ self.logger.info(self.vapi.cli("sh gbp endpoint"))
+ self.logger.info(self.vapi.cli("sh gbp recirc"))
+ self.logger.info(self.vapi.cli("sh int"))
+ self.logger.info(self.vapi.cli("sh int addr"))
+ self.logger.info(self.vapi.cli("sh int feat loop6"))
+ self.logger.info(self.vapi.cli("sh vlib graph ip4-gbp-src-classify"))
+ self.logger.info(self.vapi.cli("sh int feat loop3"))
+ self.logger.info(self.vapi.cli("sh int feat pg0"))
+
+ #
+ # Packet destined to unknown unicast is sent on the epg uplink ...
+ #
+ pkt_intra_epg_220_to_uplink = (Ether(src=self.pg0.remote_mac,
+ dst="00:00:00:33:44:55") /
+ IP(src=eps[0].ip4.address,
+ dst="10.0.0.99") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_expect_bridged(eps[0].itf,
+ pkt_intra_epg_220_to_uplink * NUM_PKTS,
+ eps[0].epg.uplink)
+ # ... and nowhere else
+ self.pg1.get_capture(0, timeout=0.1)
+ self.pg1.assert_nothing_captured(remark="Flood onto other VMS")
+
+ pkt_intra_epg_221_to_uplink = (Ether(src=self.pg2.remote_mac,
+ dst="00:00:00:33:44:66") /
+ IP(src=eps[0].ip4.address,
+ dst="10.0.0.99") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_expect_bridged(eps[2].itf,
+ pkt_intra_epg_221_to_uplink * NUM_PKTS,
+ eps[2].epg.uplink)
+
+ #
+ # Packets from the uplink are forwarded in the absence of a contract
+ #
+ pkt_intra_epg_220_from_uplink = (Ether(src="00:00:00:33:44:55",
+ dst=self.pg0.remote_mac) /
+ IP(src=eps[0].ip4.address,
+ dst="10.0.0.99") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_expect_bridged(self.pg4,
+ pkt_intra_epg_220_from_uplink * NUM_PKTS,
+ self.pg0)
+
+ #
+ # in the absence of policy, endpoints in the same EPG
+ # can communicate
+ #
+ pkt_intra_epg = (Ether(src=self.pg0.remote_mac,
+ dst=self.pg1.remote_mac) /
+ IP(src=eps[0].ip4.address,
+ dst=eps[1].ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_expect_bridged(self.pg0,
+ pkt_intra_epg * NUM_PKTS,
+ self.pg1)
+
+ #
+ # in the absence of policy, endpoints in the different EPG
+ # cannot communicate
+ #
+ pkt_inter_epg_220_to_221 = (Ether(src=self.pg0.remote_mac,
+ dst=self.pg2.remote_mac) /
+ IP(src=eps[0].ip4.address,
+ dst=eps[2].ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ pkt_inter_epg_221_to_220 = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg0.remote_mac) /
+ IP(src=eps[2].ip4.address,
+ dst=eps[0].ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ pkt_inter_epg_220_to_222 = (Ether(src=self.pg0.remote_mac,
+ dst=str(self.router_mac)) /
+ IP(src=eps[0].ip4.address,
+ dst=eps[3].ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_assert_no_replies(eps[0].itf,
+ pkt_inter_epg_220_to_221 * NUM_PKTS)
+ self.send_and_assert_no_replies(eps[0].itf,
+ pkt_inter_epg_220_to_222 * NUM_PKTS)
+
+ #
+ # A uni-directional contract from EPG 220 -> 221
+ #
+ acl = VppGbpAcl(self)
+ rule = acl.create_rule(permit_deny=1, proto=17)
+ rule2 = acl.create_rule(is_ipv6=1, permit_deny=1, proto=17)
+ acl_index = acl.add_vpp_config([rule, rule2])
+ c1 = VppGbpContract(
+ self, 400, epgs[0].sclass, epgs[1].sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c1.add_vpp_config()
+
+ self.send_and_expect_bridged(eps[0].itf,
+ pkt_inter_epg_220_to_221 * NUM_PKTS,
+ eps[2].itf)
+ self.send_and_assert_no_replies(eps[0].itf,
+ pkt_inter_epg_220_to_222 * NUM_PKTS)
+
+ #
+ # contract for the return direction
+ #
+ c2 = VppGbpContract(
+ self, 400, epgs[1].sclass, epgs[0].sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c2.add_vpp_config()
+
+ self.send_and_expect_bridged(eps[0].itf,
+ pkt_inter_epg_220_to_221 * NUM_PKTS,
+ eps[2].itf)
+ self.send_and_expect_bridged(eps[2].itf,
+ pkt_inter_epg_221_to_220 * NUM_PKTS,
+ eps[0].itf)
+
+ ds = c2.get_drop_stats()
+ self.assertEqual(ds['packets'], 0)
+ ps = c2.get_permit_stats()
+ self.assertEqual(ps['packets'], NUM_PKTS)
+
+ #
+ # the contract does not allow non-IP
+ #
+ pkt_non_ip_inter_epg_220_to_221 = (Ether(src=self.pg0.remote_mac,
+ dst=self.pg2.remote_mac) /
+ ARP())
+ self.send_and_assert_no_replies(eps[0].itf,
+ pkt_non_ip_inter_epg_220_to_221 * 17)
+
+ #
+ # check that inter group is still disabled for the groups
+ # not in the contract.
+ #
+ self.send_and_assert_no_replies(eps[0].itf,
+ pkt_inter_epg_220_to_222 * NUM_PKTS)
+
+ #
+ # A uni-directional contract from EPG 220 -> 222 'L3 routed'
+ #
+ c3 = VppGbpContract(
+ self, 400, epgs[0].sclass, epgs[2].sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c3.add_vpp_config()
+
+ self.logger.info(self.vapi.cli("sh gbp contract"))
+
+ self.send_and_expect_routed(eps[0].itf,
+ pkt_inter_epg_220_to_222 * NUM_PKTS,
+ eps[3].itf,
+ str(self.router_mac))
+
+ #
+ # remove both contracts, traffic stops in both directions
+ #
+ c2.remove_vpp_config()
+ c1.remove_vpp_config()
+ c3.remove_vpp_config()
+ acl.remove_vpp_config()
+
+ self.send_and_assert_no_replies(eps[2].itf,
+ pkt_inter_epg_221_to_220 * NUM_PKTS)
+ self.send_and_assert_no_replies(eps[0].itf,
+ pkt_inter_epg_220_to_221 * NUM_PKTS)
+ self.send_and_expect_bridged(eps[0].itf,
+ pkt_intra_epg * NUM_PKTS,
+ eps[1].itf)
+
+ #
+ # EPs to the outside world
+ #
+
+ # in the EP's RD an external subnet via the NAT EPG's recirc
+ se1 = VppGbpSubnet(
+ self, rd0, "0.0.0.0", 0,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_EXTERNAL,
+ sw_if_index=recirc_nat.recirc.sw_if_index,
+ sclass=epg_nat.sclass)
+ se2 = VppGbpSubnet(
+ self, rd0, "11.0.0.0", 8,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_EXTERNAL,
+ sw_if_index=recirc_nat.recirc.sw_if_index,
+ sclass=epg_nat.sclass)
+ se16 = VppGbpSubnet(
+ self, rd0, "::", 0,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_EXTERNAL,
+ sw_if_index=recirc_nat.recirc.sw_if_index,
+ sclass=epg_nat.sclass)
+ # in the NAT RD an external subnet via the NAT EPG's uplink
+ se3 = VppGbpSubnet(
+ self, rd20, "0.0.0.0", 0,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_EXTERNAL,
+ sw_if_index=epg_nat.uplink.sw_if_index,
+ sclass=epg_nat.sclass)
+ se36 = VppGbpSubnet(
+ self, rd20, "::", 0,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_EXTERNAL,
+ sw_if_index=epg_nat.uplink.sw_if_index,
+ sclass=epg_nat.sclass)
+ se4 = VppGbpSubnet(
+ self, rd20, "11.0.0.0", 8,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_STITCHED_EXTERNAL,
+ sw_if_index=epg_nat.uplink.sw_if_index,
+ sclass=epg_nat.sclass)
+ se1.add_vpp_config()
+ se2.add_vpp_config()
+ se16.add_vpp_config()
+ se3.add_vpp_config()
+ se36.add_vpp_config()
+ se4.add_vpp_config()
+
+ self.logger.info(self.vapi.cli("sh ip fib 0.0.0.0/0"))
+ self.logger.info(self.vapi.cli("sh ip fib 11.0.0.1"))
+ self.logger.info(self.vapi.cli("sh ip6 fib ::/0"))
+ self.logger.info(self.vapi.cli("sh ip6 fib %s" %
+ eps[0].fip6))
+
+ #
+ # From an EP to an outside address: IN2OUT
+ #
+ pkt_inter_epg_220_to_global = (Ether(src=self.pg0.remote_mac,
+ dst=str(self.router_mac)) /
+ IP(src=eps[0].ip4.address,
+ dst="1.1.1.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ # no policy yet
+ self.send_and_assert_no_replies(eps[0].itf,
+ pkt_inter_epg_220_to_global * NUM_PKTS)
+
+ acl2 = VppGbpAcl(self)
+ rule = acl2.create_rule(permit_deny=1, proto=17, sport_from=1234,
+ sport_to=1234, dport_from=1234, dport_to=1234)
+ rule2 = acl2.create_rule(is_ipv6=1, permit_deny=1, proto=17,
+ sport_from=1234, sport_to=1234,
+ dport_from=1234, dport_to=1234)
+
+ acl_index2 = acl2.add_vpp_config([rule, rule2])
+ c4 = VppGbpContract(
+ self, 400, epgs[0].sclass, epgs[3].sclass, acl_index2,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c4.add_vpp_config()
+
+ self.send_and_expect_natted(eps[0].itf,
+ pkt_inter_epg_220_to_global * NUM_PKTS,
+ self.pg7,
+ eps[0].fip4.address)
+
+ pkt_inter_epg_220_to_global = (Ether(src=self.pg0.remote_mac,
+ dst=str(self.router_mac)) /
+ IPv6(src=eps[0].ip6.address,
+ dst="6001::1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_expect_natted6(self.pg0,
+ pkt_inter_epg_220_to_global * NUM_PKTS,
+ self.pg7,
+ eps[0].fip6.address)
+
+ #
+ # From a global address to an EP: OUT2IN
+ #
+ pkt_inter_epg_220_from_global = (Ether(src=str(self.router_mac),
+ dst=self.pg0.remote_mac) /
+ IP(dst=eps[0].fip4.address,
+ src="1.1.1.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_assert_no_replies(
+ self.pg7, pkt_inter_epg_220_from_global * NUM_PKTS)
+
+ c5 = VppGbpContract(
+ self, 400, epgs[3].sclass, epgs[0].sclass, acl_index2,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c5.add_vpp_config()
+
+ self.send_and_expect_unnatted(self.pg7,
+ pkt_inter_epg_220_from_global * NUM_PKTS,
+ eps[0].itf,
+ eps[0].ip4.address)
+
+ pkt_inter_epg_220_from_global = (Ether(src=str(self.router_mac),
+ dst=self.pg0.remote_mac) /
+ IPv6(dst=eps[0].fip6.address,
+ src="6001::1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_expect_unnatted6(
+ self.pg7,
+ pkt_inter_epg_220_from_global * NUM_PKTS,
+ eps[0].itf,
+ eps[0].ip6.address)
+
+ #
+ # From a local VM to another local VM using resp. public addresses:
+ # IN2OUT2IN
+ #
+ pkt_intra_epg_220_global = (Ether(src=self.pg0.remote_mac,
+ dst=str(self.router_mac)) /
+ IP(src=eps[0].ip4.address,
+ dst=eps[1].fip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_expect_double_natted(eps[0].itf,
+ pkt_intra_epg_220_global * NUM_PKTS,
+ eps[1].itf,
+ eps[0].fip4.address,
+ eps[1].ip4.address)
+
+ pkt_intra_epg_220_global = (Ether(src=self.pg0.remote_mac,
+ dst=str(self.router_mac)) /
+ IPv6(src=eps[0].ip6.address,
+ dst=eps[1].fip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_expect_double_natted6(
+ eps[0].itf,
+ pkt_intra_epg_220_global * NUM_PKTS,
+ eps[1].itf,
+ eps[0].fip6.address,
+ eps[1].ip6.address)
+
+ #
+ # cleanup
+ #
+ for ep in eps:
+ # del static mappings for each EP from the 10/8 to 11/8 network
+ flags = self.config_flags.NAT_IS_ADDR_ONLY
+ self.vapi.nat44_add_del_static_mapping(
+ is_add=0,
+ local_ip_address=ep.ip4.bytes,
+ external_ip_address=ep.fip4.bytes,
+ external_sw_if_index=0xFFFFFFFF,
+ vrf_id=0,
+ flags=flags)
+ self.vapi.nat66_add_del_static_mapping(
+ local_ip_address=ep.ip6.bytes,
+ external_ip_address=ep.fip6.bytes,
+ vrf_id=0, is_add=0)
+
+ for epg in epgs:
+ # IP config on the BVI interfaces
+ if epg != epgs[0] and epg != epgs[3]:
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=epg.bvi.sw_if_index,
+ flags=flags,
+ is_add=0)
+ self.vapi.nat66_add_del_interface(
+ is_add=0, flags=flags,
+ sw_if_index=epg.bvi.sw_if_index)
+
+ for recirc in recircs:
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=recirc.recirc.sw_if_index,
+ is_add=0)
+ self.vapi.nat66_add_del_interface(
+ is_add=0,
+ sw_if_index=recirc.recirc.sw_if_index)
+
+ def wait_for_ep_timeout(self, sw_if_index=None, ip=None, mac=None,
+ tep=None, n_tries=100, s_time=1):
+ while (n_tries):
+ if not find_gbp_endpoint(self, sw_if_index, ip, mac, tep=tep):
+ return True
+ n_tries = n_tries - 1
+ self.sleep(s_time)
+ self.assertFalse(find_gbp_endpoint(self, sw_if_index, ip, mac))
+ return False
+
+ def test_gbp_learn_l2(self):
+ """ GBP L2 Endpoint Learning """
+
+ drop_no_contract = self.statistics.get_err_counter(
+ '/err/gbp-policy-port/drop-no-contract')
+ allow_intra_class = self.statistics.get_err_counter(
+ '/err/gbp-policy-port/allow-intra-sclass')
+
+ ep_flags = VppEnum.vl_api_gbp_endpoint_flags_t
+ learnt = [{'mac': '00:00:11:11:11:01',
+ 'ip': '10.0.0.1',
+ 'ip6': '2001:10::2'},
+ {'mac': '00:00:11:11:11:02',
+ 'ip': '10.0.0.2',
+ 'ip6': '2001:10::3'}]
+
+ #
+ # IP tables
+ #
+ gt4 = VppIpTable(self, 1)
+ gt4.add_vpp_config()
+ gt6 = VppIpTable(self, 1, is_ip6=True)
+ gt6.add_vpp_config()
+
+ rd1 = VppGbpRouteDomain(self, 1, 401, gt4, gt6)
+ rd1.add_vpp_config()
+
+ #
+ # Pg2 hosts the vxlan tunnel, hosts on pg2 to act as TEPs
+ # Pg3 hosts the IP4 UU-flood VXLAN tunnel
+ # Pg4 hosts the IP6 UU-flood VXLAN tunnel
+ #
+ self.pg2.config_ip4()
+ self.pg2.resolve_arp()
+ self.pg2.generate_remote_hosts(4)
+ self.pg2.configure_ipv4_neighbors()
+ self.pg3.config_ip4()
+ self.pg3.resolve_arp()
+ self.pg4.config_ip4()
+ self.pg4.resolve_arp()
+
+ #
+ # Add a mcast destination VXLAN-GBP tunnel for B&M traffic
+ #
+ tun_bm = VppVxlanGbpTunnel(self, self.pg4.local_ip4,
+ "239.1.1.1", 88,
+ mcast_itf=self.pg4)
+ tun_bm.add_vpp_config()
+
+ #
+ # a GBP bridge domain with a BVI and a UU-flood interface
+ #
+ bd1 = VppBridgeDomain(self, 1)
+ bd1.add_vpp_config()
+ gbd1 = VppGbpBridgeDomain(self, bd1, rd1, self.loop0,
+ self.pg3, tun_bm)
+ gbd1.add_vpp_config()
+
+ self.logger.info(self.vapi.cli("sh bridge 1 detail"))
+ self.logger.info(self.vapi.cli("sh gbp bridge"))
+
+ # ... and has a /32 applied
+ ip_addr = VppIpInterfaceAddress(self, gbd1.bvi, "10.0.0.128", 32)
+ ip_addr.add_vpp_config()
+
+ #
+ # The Endpoint-group in which we are learning endpoints
+ #
+ epg_220 = VppGbpEndpointGroup(self, 220, 112, rd1, gbd1,
+ None, self.loop0,
+ "10.0.0.128",
+ "2001:10::128",
+ VppGbpEndpointRetention(2))
+ epg_220.add_vpp_config()
+ epg_330 = VppGbpEndpointGroup(self, 330, 113, rd1, gbd1,
+ None, self.loop1,
+ "10.0.1.128",
+ "2001:11::128",
+ VppGbpEndpointRetention(2))
+ epg_330.add_vpp_config()
+
+ #
+ # The VXLAN GBP tunnel is a bridge-port and has L2 endpoint
+ # learning enabled
+ #
+ vx_tun_l2_1 = VppGbpVxlanTunnel(
+ self, 99, bd1.bd_id,
+ VppEnum.vl_api_gbp_vxlan_tunnel_mode_t.GBP_VXLAN_TUNNEL_MODE_L2,
+ self.pg2.local_ip4)
+ vx_tun_l2_1.add_vpp_config()
+
+ #
+ # A static endpoint that the learnt endpoints are trying to
+ # talk to
+ #
+ ep = VppGbpEndpoint(self, self.pg0,
+ epg_220, None,
+ "10.0.0.127", "11.0.0.127",
+ "2001:10::1", "3001::1")
+ ep.add_vpp_config()
+
+ self.assertTrue(find_route(self, ep.ip4.address, 32, table_id=1))
+
+ # a packet with an sclass from an unknown EPG
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[0].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=99, gpid=88, flags=0x88) /
+ Ether(src=learnt[0]["mac"], dst=ep.mac) /
+ IP(src=learnt[0]["ip"], dst=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_assert_no_replies(self.pg2, p)
+
+ self.logger.info(self.vapi.cli("sh error"))
+ self.assert_error_counter_equal(
+ '/err/gbp-policy-port/drop-no-contract',
+ drop_no_contract + 1)
+
+ #
+ # we should not have learnt a new tunnel endpoint, since
+ # the EPG was not learnt.
+ #
+ self.assertEqual(INDEX_INVALID,
+ find_vxlan_gbp_tunnel(self,
+ self.pg2.local_ip4,
+ self.pg2.remote_hosts[0].ip4,
+ 99))
+
+ # ep is not learnt, because the EPG is unknown
+ self.assertEqual(len(self.vapi.gbp_endpoint_dump()), 1)
+
+ #
+ # Learn new EPs from IP packets
+ #
+ for ii, l in enumerate(learnt):
+ # a packet with an sclass from a known EPG
+ # arriving on an unknown TEP
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[1].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=99, gpid=112, flags=0x88) /
+ Ether(src=l['mac'], dst=ep.mac) /
+ IP(src=l['ip'], dst=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rx = self.send_and_expect(self.pg2, [p], self.pg0)
+
+ # the new TEP
+ tep1_sw_if_index = find_vxlan_gbp_tunnel(
+ self,
+ self.pg2.local_ip4,
+ self.pg2.remote_hosts[1].ip4,
+ 99)
+ self.assertNotEqual(INDEX_INVALID, tep1_sw_if_index)
+
+ #
+ # the EP is learnt via the learnt TEP
+ # both from its MAC and its IP
+ #
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l2_1.sw_if_index,
+ mac=l['mac']))
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l2_1.sw_if_index,
+ ip=l['ip']))
+
+ self.assert_error_counter_equal(
+ '/err/gbp-policy-port/allow-intra-sclass',
+ allow_intra_class + 2)
+
+ self.logger.info(self.vapi.cli("show gbp endpoint"))
+ self.logger.info(self.vapi.cli("show gbp vxlan"))
+ self.logger.info(self.vapi.cli("show ip mfib"))
+
+ #
+ # If we sleep for the threshold time, the learnt endpoints should
+ # age out
+ #
+ for l in learnt:
+ self.wait_for_ep_timeout(vx_tun_l2_1.sw_if_index,
+ mac=l['mac'])
+
+ #
+ # Learn new EPs from GARP packets received on the BD's mcast tunnel
+ #
+ for ii, l in enumerate(learnt):
+ # add some junk in the reserved field of the vxlan-header
+ # next to the VNI. we should accept since reserved bits are
+ # ignored on rx.
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[1].ip4,
+ dst="239.1.1.1") /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=88, reserved2=0x80, gpid=112, flags=0x88) /
+ Ether(src=l['mac'], dst="ff:ff:ff:ff:ff:ff") /
+ ARP(op="who-has",
+ psrc=l['ip'], pdst=l['ip'],
+ hwsrc=l['mac'], hwdst="ff:ff:ff:ff:ff:ff"))
+
+ rx = self.send_and_expect(self.pg4, [p], self.pg0)
+
+ # the new TEP
+ tep1_sw_if_index = find_vxlan_gbp_tunnel(
+ self,
+ self.pg2.local_ip4,
+ self.pg2.remote_hosts[1].ip4,
+ 99)
+ self.assertNotEqual(INDEX_INVALID, tep1_sw_if_index)
+
+ #
+ # the EP is learnt via the learnt TEP
+ # both from its MAC and its IP
+ #
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l2_1.sw_if_index,
+ mac=l['mac']))
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l2_1.sw_if_index,
+ ip=l['ip']))
+
+ #
+ # wait for the learnt endpoints to age out
+ #
+ for l in learnt:
+ self.wait_for_ep_timeout(vx_tun_l2_1.sw_if_index,
+ mac=l['mac'])
+
+ #
+ # Learn new EPs from L2 packets
+ #
+ for ii, l in enumerate(learnt):
+ # a packet with an sclass from a known EPG
+ # arriving on an unknown TEP
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[1].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=99, gpid=112, flags=0x88) /
+ Ether(src=l['mac'], dst=ep.mac) /
+ Raw('\xa5' * 100))
+
+ rx = self.send_and_expect(self.pg2, [p], self.pg0)
+
+ # the new TEP
+ tep1_sw_if_index = find_vxlan_gbp_tunnel(
+ self,
+ self.pg2.local_ip4,
+ self.pg2.remote_hosts[1].ip4,
+ 99)
+ self.assertNotEqual(INDEX_INVALID, tep1_sw_if_index)
+
+ #
+ # the EP is learnt via the learnt TEP
+ # both from its MAC and its IP
+ #
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l2_1.sw_if_index,
+ mac=l['mac']))
+
+ self.logger.info(self.vapi.cli("show gbp endpoint"))
+ self.logger.info(self.vapi.cli("show gbp vxlan"))
+ self.logger.info(self.vapi.cli("show vxlan-gbp tunnel"))
+
+ #
+ # wait for the learnt endpoints to age out
+ #
+ for l in learnt:
+ self.wait_for_ep_timeout(vx_tun_l2_1.sw_if_index,
+ mac=l['mac'])
+
+ #
+ # repeat. the do not learn bit is set so the EPs are not learnt
+ #
+ for l in learnt:
+ # a packet with an sclass from a known EPG
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[1].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=99, gpid=112, flags=0x88, gpflags="D") /
+ Ether(src=l['mac'], dst=ep.mac) /
+ IP(src=l['ip'], dst=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rx = self.send_and_expect(self.pg2, p * NUM_PKTS, self.pg0)
+
+ for l in learnt:
+ self.assertFalse(find_gbp_endpoint(self,
+ vx_tun_l2_1.sw_if_index,
+ mac=l['mac']))
+
+ #
+ # repeat
+ #
+ for l in learnt:
+ # a packet with an sclass from a known EPG
+ # set a reserved bit in addition to the G and I
+ # reserved bits should not be checked on rx.
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[1].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=99, gpid=112, flags=0xc8) /
+ Ether(src=l['mac'], dst=ep.mac) /
+ IP(src=l['ip'], dst=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rx = self.send_and_expect(self.pg2, p * NUM_PKTS, self.pg0)
+
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l2_1.sw_if_index,
+ mac=l['mac']))
+
+ #
+ # Static EP replies to dynamics
+ #
+ self.logger.info(self.vapi.cli("sh l2fib bd_id 1"))
+ for l in learnt:
+ p = (Ether(src=ep.mac, dst=l['mac']) /
+ IP(dst=l['ip'], src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * 17, self.pg2)
+
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, self.pg2.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg2.remote_hosts[1].ip4)
+ self.assertEqual(rx[UDP].dport, 48879)
+ # the UDP source port is a random value for hashing
+ self.assertEqual(rx[VXLAN].gpid, 112)
+ self.assertEqual(rx[VXLAN].vni, 99)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+
+ for l in learnt:
+ self.wait_for_ep_timeout(vx_tun_l2_1.sw_if_index,
+ mac=l['mac'])
+
+ #
+ # repeat in the other EPG
+ # there's no contract between 220 and 330, but the A-bit is set
+ # so the packet is cleared for delivery
+ #
+ for l in learnt:
+ # a packet with an sclass from a known EPG
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[1].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=99, gpid=113, flags=0x88, gpflags='A') /
+ Ether(src=l['mac'], dst=ep.mac) /
+ IP(src=l['ip'], dst=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rx = self.send_and_expect(self.pg2, p * NUM_PKTS, self.pg0)
+
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l2_1.sw_if_index,
+ mac=l['mac']))
+
+ #
+ # static EP cannot reach the learnt EPs since there is no contract
+ # only test 1 EP as the others could timeout
+ #
+ p = (Ether(src=ep.mac, dst=l['mac']) /
+ IP(dst=learnt[0]['ip'], src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_assert_no_replies(self.pg0, [p])
+
+ #
+ # refresh the entries after the check for no replies above
+ #
+ for l in learnt:
+ # a packet with an sclass from a known EPG
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[1].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=99, gpid=113, flags=0x88, gpflags='A') /
+ Ether(src=l['mac'], dst=ep.mac) /
+ IP(src=l['ip'], dst=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rx = self.send_and_expect(self.pg2, p * NUM_PKTS, self.pg0)
+
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l2_1.sw_if_index,
+ mac=l['mac']))
+
+ #
+ # Add the contract so they can talk
+ #
+ acl = VppGbpAcl(self)
+ rule = acl.create_rule(permit_deny=1, proto=17)
+ rule2 = acl.create_rule(is_ipv6=1, permit_deny=1, proto=17)
+ acl_index = acl.add_vpp_config([rule, rule2])
+ c1 = VppGbpContract(
+ self, 401, epg_220.sclass, epg_330.sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c1.add_vpp_config()
+
+ for l in learnt:
+ p = (Ether(src=ep.mac, dst=l['mac']) /
+ IP(dst=l['ip'], src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_expect(self.pg0, [p], self.pg2)
+
+ #
+ # send UU packets from the local EP
+ #
+ self.logger.info(self.vapi.cli("sh gbp bridge"))
+ self.logger.info(self.vapi.cli("sh bridge-domain 1 detail"))
+ p_uu = (Ether(src=ep.mac, dst="00:11:11:11:11:11") /
+ IP(dst="10.0.0.133", src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ rxs = self.send_and_expect(ep.itf, [p_uu], gbd1.uu_fwd)
+
+ self.logger.info(self.vapi.cli("sh bridge 1 detail"))
+
+ p_bm = (Ether(src=ep.mac, dst="ff:ff:ff:ff:ff:ff") /
+ IP(dst="10.0.0.133", src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ rxs = self.send_and_expect_only(ep.itf, [p_bm], tun_bm.mcast_itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, self.pg4.local_ip4)
+ self.assertEqual(rx[IP].dst, "239.1.1.1")
+ self.assertEqual(rx[UDP].dport, 48879)
+ # the UDP source port is a random value for hashing
+ self.assertEqual(rx[VXLAN].gpid, 112)
+ self.assertEqual(rx[VXLAN].vni, 88)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ self.assertFalse(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+
+ acl = VppGbpAcl(self)
+ rule = acl.create_rule(permit_deny=1, proto=17)
+ rule2 = acl.create_rule(is_ipv6=1, permit_deny=1, proto=17)
+ acl_index = acl.add_vpp_config([rule, rule2])
+ c2 = VppGbpContract(
+ self, 401, epg_330.sclass, epg_220.sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c2.add_vpp_config()
+
+ for l in learnt:
+ self.wait_for_ep_timeout(vx_tun_l2_1.sw_if_index,
+ mac=l['mac'])
+ #
+ # Check v6 Endpoints learning
+ #
+ for l in learnt:
+ # a packet with an sclass from a known EPG
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[1].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=99, gpid=113, flags=0x88) /
+ Ether(src=l['mac'], dst=ep.mac) /
+ IPv6(src=l['ip6'], dst=ep.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rx = self.send_and_expect(self.pg2, p * NUM_PKTS, self.pg0)
+ rx = self.send_and_expect(self.pg2, p * NUM_PKTS, self.pg0)
+
+ self.assertTrue(find_gbp_endpoint(
+ self,
+ vx_tun_l2_1.sw_if_index,
+ ip=l['ip6'],
+ tep=[self.pg2.local_ip4,
+ self.pg2.remote_hosts[1].ip4]))
+
+ self.logger.info(self.vapi.cli("sh int"))
+ self.logger.info(self.vapi.cli("sh vxlan-gbp tunnel"))
+ self.logger.info(self.vapi.cli("sh gbp vxlan"))
+ self.logger.info(self.vapi.cli("sh gbp endpoint"))
+ self.logger.info(self.vapi.cli("sh gbp interface"))
+
+ #
+ # EP moves to a different TEP
+ #
+ for l in learnt:
+ # a packet with an sclass from a known EPG
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[2].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=99, gpid=113, flags=0x88) /
+ Ether(src=l['mac'], dst=ep.mac) /
+ IPv6(src=l['ip6'], dst=ep.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rx = self.send_and_expect(self.pg2, p * 1, self.pg0)
+ rx = self.send_and_expect(self.pg2, p * NUM_PKTS, self.pg0)
+
+ self.assertTrue(find_gbp_endpoint(
+ self,
+ vx_tun_l2_1.sw_if_index,
+ sclass=113,
+ mac=l['mac'],
+ tep=[self.pg2.local_ip4,
+ self.pg2.remote_hosts[2].ip4]))
+
+ #
+ # v6 remote EP reachability
+ #
+ for l in learnt:
+ p = (Ether(src=ep.mac, dst=l['mac']) /
+ IPv6(dst=l['ip6'], src=ep.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg2)
+
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, self.pg2.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg2.remote_hosts[2].ip4)
+ self.assertEqual(rx[UDP].dport, 48879)
+ # the UDP source port is a random value for hashing
+ self.assertEqual(rx[VXLAN].gpid, 112)
+ self.assertEqual(rx[VXLAN].vni, 99)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+ self.assertEqual(rx[IPv6].dst, l['ip6'])
+
+ #
+ # EP changes sclass
+ #
+ for l in learnt:
+ # a packet with an sclass from a known EPG
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[2].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=99, gpid=112, flags=0x88) /
+ Ether(src=l['mac'], dst=ep.mac) /
+ IPv6(src=l['ip6'], dst=ep.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rx = self.send_and_expect(self.pg2, p * 1, self.pg0)
+ rx = self.send_and_expect(self.pg2, p * NUM_PKTS, self.pg0)
+
+ self.assertTrue(find_gbp_endpoint(
+ self,
+ vx_tun_l2_1.sw_if_index,
+ mac=l['mac'],
+ sclass=112,
+ tep=[self.pg2.local_ip4,
+ self.pg2.remote_hosts[2].ip4]))
+
+ #
+ # check reachability and contract intra-epg
+ #
+ allow_intra_class = self.statistics.get_err_counter(
+ '/err/gbp-policy-mac/allow-intra-sclass')
+
+ for l in learnt:
+ p = (Ether(src=ep.mac, dst=l['mac']) /
+ IPv6(dst=l['ip6'], src=ep.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg2)
+
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, self.pg2.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg2.remote_hosts[2].ip4)
+ self.assertEqual(rx[UDP].dport, 48879)
+ self.assertEqual(rx[VXLAN].gpid, 112)
+ self.assertEqual(rx[VXLAN].vni, 99)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+ self.assertEqual(rx[IPv6].dst, l['ip6'])
+
+ allow_intra_class += NUM_PKTS
+
+ self.assert_error_counter_equal(
+ '/err/gbp-policy-mac/allow-intra-sclass',
+ allow_intra_class)
+
+ #
+ # clean up
+ #
+ for l in learnt:
+ self.wait_for_ep_timeout(vx_tun_l2_1.sw_if_index,
+ mac=l['mac'])
+ self.pg2.unconfig_ip4()
+ self.pg3.unconfig_ip4()
+ self.pg4.unconfig_ip4()
+
+ def test_gbp_contract(self):
+ """ GBP Contracts """
+
+ #
+ # Route Domains
+ #
+ gt4 = VppIpTable(self, 0)
+ gt4.add_vpp_config()
+ gt6 = VppIpTable(self, 0, is_ip6=True)
+ gt6.add_vpp_config()
+
+ rd0 = VppGbpRouteDomain(self, 0, 400, gt4, gt6, None, None)
+
+ rd0.add_vpp_config()
+
+ #
+ # Bridge Domains
+ #
+ bd1 = VppBridgeDomain(self, 1, arp_term=0)
+ bd2 = VppBridgeDomain(self, 2, arp_term=0)
+
+ bd1.add_vpp_config()
+ bd2.add_vpp_config()
+
+ gbd1 = VppGbpBridgeDomain(self, bd1, rd0, self.loop0)
+ gbd2 = VppGbpBridgeDomain(self, bd2, rd0, self.loop1)
+
+ gbd1.add_vpp_config()
+ gbd2.add_vpp_config()
+
+ #
+ # 3 EPGs, 2 of which share a BD.
+ #
+ epgs = [VppGbpEndpointGroup(self, 220, 1220, rd0, gbd1,
+ None, self.loop0,
+ "10.0.0.128", "2001:10::128"),
+ VppGbpEndpointGroup(self, 221, 1221, rd0, gbd1,
+ None, self.loop0,
+ "10.0.1.128", "2001:10:1::128"),
+ VppGbpEndpointGroup(self, 222, 1222, rd0, gbd2,
+ None, self.loop1,
+ "10.0.2.128", "2001:10:2::128")]
+ #
+ # 4 end-points, 2 in the same subnet, 3 in the same BD
+ #
+ eps = [VppGbpEndpoint(self, self.pg0,
+ epgs[0], None,
+ "10.0.0.1", "11.0.0.1",
+ "2001:10::1", "3001::1"),
+ VppGbpEndpoint(self, self.pg1,
+ epgs[0], None,
+ "10.0.0.2", "11.0.0.2",
+ "2001:10::2", "3001::2"),
+ VppGbpEndpoint(self, self.pg2,
+ epgs[1], None,
+ "10.0.1.1", "11.0.0.3",
+ "2001:10:1::1", "3001::3"),
+ VppGbpEndpoint(self, self.pg3,
+ epgs[2], None,
+ "10.0.2.1", "11.0.0.4",
+ "2001:10:2::1", "3001::4")]
+
+ #
+ # Config related to each of the EPGs
+ #
+ for epg in epgs:
+ # IP config on the BVI interfaces
+ if epg != epgs[1]:
+ VppIpInterfaceBind(self, epg.bvi, epg.rd.t4).add_vpp_config()
+ VppIpInterfaceBind(self, epg.bvi, epg.rd.t6).add_vpp_config()
+ self.vapi.sw_interface_set_mac_address(
+ epg.bvi.sw_if_index,
+ self.router_mac.packed)
+
+ if_ip4 = VppIpInterfaceAddress(self, epg.bvi, epg.bvi_ip4, 32)
+ if_ip6 = VppIpInterfaceAddress(self, epg.bvi, epg.bvi_ip6, 128)
+ if_ip4.add_vpp_config()
+ if_ip6.add_vpp_config()
+
+ # add the BD ARP termination entry for BVI IP
+ epg.bd_arp_ip4 = VppBridgeDomainArpEntry(self, epg.bd.bd,
+ str(self.router_mac),
+ epg.bvi_ip4.address)
+ epg.bd_arp_ip4.add_vpp_config()
+
+ # EPG in VPP
+ epg.add_vpp_config()
+
+ #
+ # config ep
+ #
+ for ep in eps:
+ ep.add_vpp_config()
+
+ self.logger.info(self.vapi.cli("show gbp endpoint"))
+ self.logger.info(self.vapi.cli("show interface"))
+ self.logger.info(self.vapi.cli("show br"))
+
+ #
+ # Intra epg allowed without contract
+ #
+ pkt_intra_epg_220_to_220 = (Ether(src=self.pg0.remote_mac,
+ dst=self.pg1.remote_mac) /
+ IP(src=eps[0].ip4.address,
+ dst=eps[1].ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_expect_bridged(self.pg0,
+ pkt_intra_epg_220_to_220 * 65,
+ self.pg1)
+
+ pkt_intra_epg_220_to_220 = (Ether(src=self.pg0.remote_mac,
+ dst=self.pg1.remote_mac) /
+ IPv6(src=eps[0].ip6.address,
+ dst=eps[1].ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_expect_bridged6(self.pg0,
+ pkt_intra_epg_220_to_220 * 65,
+ self.pg1)
+
+ #
+ # Inter epg denied without contract
+ #
+ pkt_inter_epg_220_to_221 = (Ether(src=self.pg0.remote_mac,
+ dst=self.pg2.remote_mac) /
+ IP(src=eps[0].ip4.address,
+ dst=eps[2].ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_assert_no_replies(self.pg0, pkt_inter_epg_220_to_221)
+
+ #
+ # A uni-directional contract from EPG 220 -> 221
+ #
+ acl = VppGbpAcl(self)
+ rule = acl.create_rule(permit_deny=1, proto=17)
+ rule2 = acl.create_rule(is_ipv6=1, permit_deny=1, proto=17)
+ rule3 = acl.create_rule(permit_deny=1, proto=1)
+ acl_index = acl.add_vpp_config([rule, rule2, rule3])
+ c1 = VppGbpContract(
+ self, 400, epgs[0].sclass, epgs[1].sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c1.add_vpp_config()
+
+ self.send_and_expect_bridged(eps[0].itf,
+ pkt_inter_epg_220_to_221 * 65,
+ eps[2].itf)
+
+ pkt_inter_epg_220_to_222 = (Ether(src=self.pg0.remote_mac,
+ dst=str(self.router_mac)) /
+ IP(src=eps[0].ip4.address,
+ dst=eps[3].ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ self.send_and_assert_no_replies(eps[0].itf,
+ pkt_inter_epg_220_to_222 * 65)
+
+ #
+ # ping router IP in different BD
+ #
+ pkt_router_ping_220_to_221 = (Ether(src=self.pg0.remote_mac,
+ dst=str(self.router_mac)) /
+ IP(src=eps[0].ip4.address,
+ dst=epgs[1].bvi_ip4.address) /
+ ICMP(type='echo-request'))
+
+ self.send_and_expect(self.pg0, [pkt_router_ping_220_to_221], self.pg0)
+
+ pkt_router_ping_220_to_221 = (Ether(src=self.pg0.remote_mac,
+ dst=str(self.router_mac)) /
+ IPv6(src=eps[0].ip6.address,
+ dst=epgs[1].bvi_ip6.address) /
+ ICMPv6EchoRequest())
+
+ self.send_and_expect(self.pg0, [pkt_router_ping_220_to_221], self.pg0)
+
+ #
+ # contract for the return direction
+ #
+ c2 = VppGbpContract(
+ self, 400, epgs[1].sclass, epgs[0].sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c2.add_vpp_config()
+
+ self.send_and_expect_bridged(eps[0].itf,
+ pkt_inter_epg_220_to_221 * 65,
+ eps[2].itf)
+ pkt_inter_epg_221_to_220 = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg0.remote_mac) /
+ IP(src=eps[2].ip4.address,
+ dst=eps[0].ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ self.send_and_expect_bridged(eps[2].itf,
+ pkt_inter_epg_221_to_220 * 65,
+ eps[0].itf)
+ pkt_inter_epg_221_to_220 = (Ether(src=self.pg2.remote_mac,
+ dst=str(self.router_mac)) /
+ IP(src=eps[2].ip4.address,
+ dst=eps[0].ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ self.send_and_expect_routed(eps[2].itf,
+ pkt_inter_epg_221_to_220 * 65,
+ eps[0].itf,
+ str(self.router_mac))
+ pkt_inter_epg_221_to_220 = (Ether(src=self.pg2.remote_mac,
+ dst=str(self.router_mac)) /
+ IPv6(src=eps[2].ip6.address,
+ dst=eps[0].ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ self.send_and_expect_routed6(eps[2].itf,
+ pkt_inter_epg_221_to_220 * 65,
+ eps[0].itf,
+ str(self.router_mac))
+
+ #
+ # contract between 220 and 222 uni-direction
+ #
+ c3 = VppGbpContract(
+ self, 400, epgs[0].sclass, epgs[2].sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c3.add_vpp_config()
+
+ self.send_and_expect(eps[0].itf,
+ pkt_inter_epg_220_to_222 * 65,
+ eps[3].itf)
+
+ c3.remove_vpp_config()
+ c1.remove_vpp_config()
+ c2.remove_vpp_config()
+ acl.remove_vpp_config()
+
+ def test_gbp_bd_drop_flags(self):
+ """ GBP BD drop flags """
+
+ #
+ # IP tables
+ #
+ gt4 = VppIpTable(self, 1)
+ gt4.add_vpp_config()
+ gt6 = VppIpTable(self, 1, is_ip6=True)
+ gt6.add_vpp_config()
+
+ rd1 = VppGbpRouteDomain(self, 1, 401, gt4, gt6)
+ rd1.add_vpp_config()
+
+ #
+ # a GBP bridge domain with a BVI only
+ #
+ bd1 = VppBridgeDomain(self, 1)
+ bd1.add_vpp_config()
+
+ gbd1 = VppGbpBridgeDomain(self, bd1, rd1, self.loop0,
+ None, None,
+ uu_drop=True, bm_drop=True)
+ gbd1.add_vpp_config()
+
+ self.logger.info(self.vapi.cli("sh bridge 1 detail"))
+ self.logger.info(self.vapi.cli("sh gbp bridge"))
+
+ # ... and has a /32 applied
+ ip_addr = VppIpInterfaceAddress(self, gbd1.bvi, "10.0.0.128", 32)
+ ip_addr.add_vpp_config()
+
+ #
+ # The Endpoint-group
+ #
+ epg_220 = VppGbpEndpointGroup(self, 220, 112, rd1, gbd1,
+ None, self.loop0,
+ "10.0.0.128",
+ "2001:10::128",
+ VppGbpEndpointRetention(2))
+ epg_220.add_vpp_config()
+
+ ep = VppGbpEndpoint(self, self.pg0,
+ epg_220, None,
+ "10.0.0.127", "11.0.0.127",
+ "2001:10::1", "3001::1")
+ ep.add_vpp_config()
+
+ #
+ # send UU/BM packet from the local EP with UU drop and BM drop enabled
+ # in bd
+ #
+ self.logger.info(self.vapi.cli("sh bridge 1 detail"))
+ self.logger.info(self.vapi.cli("sh gbp bridge"))
+ p_uu = (Ether(src=ep.mac, dst="00:11:11:11:11:11") /
+ IP(dst="10.0.0.133", src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ self.send_and_assert_no_replies(ep.itf, [p_uu])
+
+ p_bm = (Ether(src=ep.mac, dst="ff:ff:ff:ff:ff:ff") /
+ IP(dst="10.0.0.133", src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ self.send_and_assert_no_replies(ep.itf, [p_bm])
+
+ self.pg3.unconfig_ip4()
+
+ self.logger.info(self.vapi.cli("sh int"))
+
+ def test_gbp_bd_arp_flags(self):
+ """ GBP BD arp flags """
+
+ #
+ # IP tables
+ #
+ gt4 = VppIpTable(self, 1)
+ gt4.add_vpp_config()
+ gt6 = VppIpTable(self, 1, is_ip6=True)
+ gt6.add_vpp_config()
+
+ rd1 = VppGbpRouteDomain(self, 1, 401, gt4, gt6)
+ rd1.add_vpp_config()
+
+ #
+ # Pg4 hosts the IP6 UU-flood VXLAN tunnel
+ #
+ self.pg4.config_ip4()
+ self.pg4.resolve_arp()
+
+ #
+ # Add a mcast destination VXLAN-GBP tunnel for B&M traffic
+ #
+ tun_uu = VppVxlanGbpTunnel(self, self.pg4.local_ip4,
+ "239.1.1.1", 88,
+ mcast_itf=self.pg4)
+ tun_uu.add_vpp_config()
+
+ #
+ # a GBP bridge domain with a BVI and a UU-flood interface
+ #
+ bd1 = VppBridgeDomain(self, 1)
+ bd1.add_vpp_config()
+
+ gbd1 = VppGbpBridgeDomain(self, bd1, rd1, self.loop0,
+ tun_uu, None,
+ ucast_arp=True)
+ gbd1.add_vpp_config()
+
+ # ... and has a /32 applied
+ ip_addr = VppIpInterfaceAddress(self, gbd1.bvi, "10.0.0.128", 32)
+ ip_addr.add_vpp_config()
+
+ #
+ # The Endpoint-group
+ #
+ epg_220 = VppGbpEndpointGroup(self, 220, 112, rd1, gbd1,
+ None, self.loop0,
+ "10.0.0.128",
+ "2001:10::128",
+ VppGbpEndpointRetention(2))
+ epg_220.add_vpp_config()
+
+ ep = VppGbpEndpoint(self, self.pg0,
+ epg_220, None,
+ "10.0.0.127", "11.0.0.127",
+ "2001:10::1", "3001::1")
+ ep.add_vpp_config()
+
+ #
+ # send ARP packet from the local EP expect it on the uu interface
+ #
+ self.logger.info(self.vapi.cli("sh bridge 1 detail"))
+ self.logger.info(self.vapi.cli("sh gbp bridge"))
+ p_arp = (Ether(src=ep.mac, dst="ff:ff:ff:ff:ff:ff") /
+ ARP(op="who-has",
+ psrc=ep.ip4.address, pdst="10.0.0.99",
+ hwsrc=ep.mac,
+ hwdst="ff:ff:ff:ff:ff:ff"))
+ self.send_and_expect(ep.itf, [p_arp], self.pg4)
+
+ self.pg4.unconfig_ip4()
+
+ def test_gbp_learn_vlan_l2(self):
+ """ GBP L2 Endpoint w/ VLANs"""
+
+ ep_flags = VppEnum.vl_api_gbp_endpoint_flags_t
+ learnt = [{'mac': '00:00:11:11:11:01',
+ 'ip': '10.0.0.1',
+ 'ip6': '2001:10::2'},
+ {'mac': '00:00:11:11:11:02',
+ 'ip': '10.0.0.2',
+ 'ip6': '2001:10::3'}]
+
+ #
+ # IP tables
+ #
+ gt4 = VppIpTable(self, 1)
+ gt4.add_vpp_config()
+ gt6 = VppIpTable(self, 1, is_ip6=True)
+ gt6.add_vpp_config()
+
+ rd1 = VppGbpRouteDomain(self, 1, 401, gt4, gt6)
+ rd1.add_vpp_config()
+
+ #
+ # Pg2 hosts the vxlan tunnel, hosts on pg2 to act as TEPs
+ #
+ self.pg2.config_ip4()
+ self.pg2.resolve_arp()
+ self.pg2.generate_remote_hosts(4)
+ self.pg2.configure_ipv4_neighbors()
+ self.pg3.config_ip4()
+ self.pg3.resolve_arp()
+
+ #
+ # The EP will be on a vlan sub-interface
+ #
+ vlan_11 = VppDot1QSubint(self, self.pg0, 11)
+ vlan_11.admin_up()
+ self.vapi.l2_interface_vlan_tag_rewrite(
+ sw_if_index=vlan_11.sw_if_index, vtr_op=L2_VTR_OP.L2_POP_1,
+ push_dot1q=11)
+
+ bd_uu_fwd = VppVxlanGbpTunnel(self, self.pg3.local_ip4,
+ self.pg3.remote_ip4, 116)
+ bd_uu_fwd.add_vpp_config()
+
+ #
+ # a GBP bridge domain with a BVI and a UU-flood interface
+ # The BD is marked as do not learn, so no endpoints are ever
+ # learnt in this BD.
+ #
+ bd1 = VppBridgeDomain(self, 1)
+ bd1.add_vpp_config()
+ gbd1 = VppGbpBridgeDomain(self, bd1, rd1, self.loop0, bd_uu_fwd,
+ learn=False)
+ gbd1.add_vpp_config()
+
+ self.logger.info(self.vapi.cli("sh bridge 1 detail"))
+ self.logger.info(self.vapi.cli("sh gbp bridge"))
+
+ # ... and has a /32 applied
+ ip_addr = VppIpInterfaceAddress(self, gbd1.bvi, "10.0.0.128", 32)
+ ip_addr.add_vpp_config()
+
+ #
+ # The Endpoint-group in which we are learning endpoints
+ #
+ epg_220 = VppGbpEndpointGroup(self, 220, 441, rd1, gbd1,
+ None, self.loop0,
+ "10.0.0.128",
+ "2001:10::128",
+ VppGbpEndpointRetention(2))
+ epg_220.add_vpp_config()
+
+ #
+ # The VXLAN GBP tunnel is a bridge-port and has L2 endpoint
+ # learning enabled
+ #
+ vx_tun_l2_1 = VppGbpVxlanTunnel(
+ self, 99, bd1.bd_id,
+ VppEnum.vl_api_gbp_vxlan_tunnel_mode_t.GBP_VXLAN_TUNNEL_MODE_L2,
+ self.pg2.local_ip4)
+ vx_tun_l2_1.add_vpp_config()
+
+ #
+ # A static endpoint that the learnt endpoints are trying to
+ # talk to
+ #
+ ep = VppGbpEndpoint(self, vlan_11,
+ epg_220, None,
+ "10.0.0.127", "11.0.0.127",
+ "2001:10::1", "3001::1")
+ ep.add_vpp_config()
+
+ self.assertTrue(find_route(self, ep.ip4.address, 32, table_id=1))
+
+ #
+ # Send to the static EP
+ #
+ for ii, l in enumerate(learnt):
+ # a packet with an sclass from a known EPG
+ # arriving on an unknown TEP
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[1].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=99, gpid=441, flags=0x88) /
+ Ether(src=l['mac'], dst=ep.mac) /
+ IP(src=l['ip'], dst=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg2, [p], self.pg0)
+
+ #
+ # packet to EP has the EP's vlan tag
+ #
+ for rx in rxs:
+ self.assertEqual(rx[Dot1Q].vlan, 11)
+
+ #
+ # the EP is not learnt since the BD setting prevents it
+ # also no TEP too
+ #
+ self.assertFalse(find_gbp_endpoint(self,
+ vx_tun_l2_1.sw_if_index,
+ mac=l['mac']))
+ self.assertEqual(INDEX_INVALID,
+ find_vxlan_gbp_tunnel(
+ self,
+ self.pg2.local_ip4,
+ self.pg2.remote_hosts[1].ip4,
+ 99))
+
+ self.assertEqual(len(self.vapi.gbp_endpoint_dump()), 1)
+
+ #
+ # static to remotes
+ # we didn't learn the remotes so they are sent to the UU-fwd
+ #
+ for l in learnt:
+ p = (Ether(src=ep.mac, dst=l['mac']) /
+ Dot1Q(vlan=11) /
+ IP(dst=l['ip'], src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * 17, self.pg3)
+
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, self.pg3.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg3.remote_ip4)
+ self.assertEqual(rx[UDP].dport, 48879)
+ # the UDP source port is a random value for hashing
+ self.assertEqual(rx[VXLAN].gpid, 441)
+ self.assertEqual(rx[VXLAN].vni, 116)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ self.assertFalse(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+
+ self.pg2.unconfig_ip4()
+ self.pg3.unconfig_ip4()
+
+ def test_gbp_learn_l3(self):
+ """ GBP L3 Endpoint Learning """
+
+ self.vapi.cli("set logging class gbp level debug")
+
+ ep_flags = VppEnum.vl_api_gbp_endpoint_flags_t
+ routed_dst_mac = "00:0c:0c:0c:0c:0c"
+ routed_src_mac = "00:22:bd:f8:19:ff"
+
+ learnt = [{'mac': '00:00:11:11:11:02',
+ 'ip': '10.0.1.2',
+ 'ip6': '2001:10::2'},
+ {'mac': '00:00:11:11:11:03',
+ 'ip': '10.0.1.3',
+ 'ip6': '2001:10::3'}]
+
+ #
+ # IP tables
+ #
+ t4 = VppIpTable(self, 1)
+ t4.add_vpp_config()
+ t6 = VppIpTable(self, 1, True)
+ t6.add_vpp_config()
+
+ tun_ip4_uu = VppVxlanGbpTunnel(self, self.pg4.local_ip4,
+ self.pg4.remote_ip4, 114)
+ tun_ip6_uu = VppVxlanGbpTunnel(self, self.pg4.local_ip4,
+ self.pg4.remote_ip4, 116)
+ tun_ip4_uu.add_vpp_config()
+ tun_ip6_uu.add_vpp_config()
+
+ rd1 = VppGbpRouteDomain(self, 2, 401, t4, t6, tun_ip4_uu, tun_ip6_uu)
+ rd1.add_vpp_config()
+
+ self.loop0.set_mac(self.router_mac)
+
+ #
+ # Bind the BVI to the RD
+ #
+ VppIpInterfaceBind(self, self.loop0, t4).add_vpp_config()
+ VppIpInterfaceBind(self, self.loop0, t6).add_vpp_config()
+
+ #
+ # Pg2 hosts the vxlan tunnel
+ # hosts on pg2 to act as TEPs
+ # pg3 is BD uu-fwd
+ # pg4 is RD uu-fwd
+ #
+ self.pg2.config_ip4()
+ self.pg2.resolve_arp()
+ self.pg2.generate_remote_hosts(4)
+ self.pg2.configure_ipv4_neighbors()
+ self.pg3.config_ip4()
+ self.pg3.resolve_arp()
+ self.pg4.config_ip4()
+ self.pg4.resolve_arp()
+
+ #
+ # a GBP bridge domain with a BVI and a UU-flood interface
+ #
+ bd1 = VppBridgeDomain(self, 1)
+ bd1.add_vpp_config()
+ gbd1 = VppGbpBridgeDomain(self, bd1, rd1, self.loop0, self.pg3)
+ gbd1.add_vpp_config()
+
+ self.logger.info(self.vapi.cli("sh bridge 1 detail"))
+ self.logger.info(self.vapi.cli("sh gbp bridge"))
+ self.logger.info(self.vapi.cli("sh gbp route"))
+
+ # ... and has a /32 and /128 applied
+ ip4_addr = VppIpInterfaceAddress(self, gbd1.bvi, "10.0.0.128", 32)
+ ip4_addr.add_vpp_config()
+ ip6_addr = VppIpInterfaceAddress(self, gbd1.bvi, "2001:10::128", 128)
+ ip6_addr.add_vpp_config()
+
+ #
+ # The Endpoint-group in which we are learning endpoints
+ #
+ epg_220 = VppGbpEndpointGroup(self, 220, 441, rd1, gbd1,
+ None, self.loop0,
+ "10.0.0.128",
+ "2001:10::128",
+ VppGbpEndpointRetention(2))
+ epg_220.add_vpp_config()
+
+ #
+ # The VXLAN GBP tunnel is in L3 mode with learning enabled
+ #
+ vx_tun_l3 = VppGbpVxlanTunnel(
+ self, 101, rd1.rd_id,
+ VppEnum.vl_api_gbp_vxlan_tunnel_mode_t.GBP_VXLAN_TUNNEL_MODE_L3,
+ self.pg2.local_ip4)
+ vx_tun_l3.add_vpp_config()
+
+ #
+ # A static endpoint that the learnt endpoints are trying to
+ # talk to
+ #
+ ep = VppGbpEndpoint(self, self.pg0,
+ epg_220, None,
+ "10.0.0.127", "11.0.0.127",
+ "2001:10::1", "3001::1")
+ ep.add_vpp_config()
+
+ #
+ # learn some remote IPv4 EPs
+ #
+ for ii, l in enumerate(learnt):
+ # a packet with an sclass from a known EPG
+ # arriving on an unknown TEP
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[1].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=101, gpid=441, flags=0x88) /
+ Ether(src=l['mac'], dst="00:00:00:11:11:11") /
+ IP(src=l['ip'], dst=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rx = self.send_and_expect(self.pg2, [p], self.pg0)
+
+ # the new TEP
+ tep1_sw_if_index = find_vxlan_gbp_tunnel(
+ self,
+ self.pg2.local_ip4,
+ self.pg2.remote_hosts[1].ip4,
+ vx_tun_l3.vni)
+ self.assertNotEqual(INDEX_INVALID, tep1_sw_if_index)
+
+ # endpoint learnt via the parent GBP-vxlan interface
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l3._sw_if_index,
+ ip=l['ip']))
+
+ #
+ # Static IPv4 EP replies to learnt
+ #
+ for l in learnt:
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IP(dst=l['ip'], src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * 1, self.pg2)
+
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, self.pg2.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg2.remote_hosts[1].ip4)
+ self.assertEqual(rx[UDP].dport, 48879)
+ # the UDP source port is a random value for hashing
+ self.assertEqual(rx[VXLAN].gpid, 441)
+ self.assertEqual(rx[VXLAN].vni, 101)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+
+ inner = rx[VXLAN].payload
+
+ self.assertEqual(inner[Ether].src, routed_src_mac)
+ self.assertEqual(inner[Ether].dst, routed_dst_mac)
+ self.assertEqual(inner[IP].src, ep.ip4.address)
+ self.assertEqual(inner[IP].dst, l['ip'])
+
+ for l in learnt:
+ self.assertFalse(find_gbp_endpoint(self,
+ tep1_sw_if_index,
+ ip=l['ip']))
+
+ #
+ # learn some remote IPv6 EPs
+ #
+ for ii, l in enumerate(learnt):
+ # a packet with an sclass from a known EPG
+ # arriving on an unknown TEP
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[1].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=101, gpid=441, flags=0x88) /
+ Ether(src=l['mac'], dst="00:00:00:11:11:11") /
+ IPv6(src=l['ip6'], dst=ep.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rx = self.send_and_expect(self.pg2, [p], self.pg0)
+
+ # the new TEP
+ tep1_sw_if_index = find_vxlan_gbp_tunnel(
+ self,
+ self.pg2.local_ip4,
+ self.pg2.remote_hosts[1].ip4,
+ vx_tun_l3.vni)
+ self.assertNotEqual(INDEX_INVALID, tep1_sw_if_index)
+
+ self.logger.info(self.vapi.cli("show gbp bridge"))
+ self.logger.info(self.vapi.cli("show vxlan-gbp tunnel"))
+ self.logger.info(self.vapi.cli("show gbp vxlan"))
+ self.logger.info(self.vapi.cli("show int addr"))
+
+ # endpoint learnt via the TEP
+ self.assertTrue(find_gbp_endpoint(self, ip=l['ip6']))
+
+ self.logger.info(self.vapi.cli("show gbp endpoint"))
+ self.logger.info(self.vapi.cli("show ip fib index 1 %s" % l['ip']))
+
+ #
+ # Static EP replies to learnt
+ #
+ for l in learnt:
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IPv6(dst=l['ip6'], src=ep.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg2)
+
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, self.pg2.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg2.remote_hosts[1].ip4)
+ self.assertEqual(rx[UDP].dport, 48879)
+ # the UDP source port is a random value for hashing
+ self.assertEqual(rx[VXLAN].gpid, 441)
+ self.assertEqual(rx[VXLAN].vni, 101)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+
+ inner = rx[VXLAN].payload
+
+ self.assertEqual(inner[Ether].src, routed_src_mac)
+ self.assertEqual(inner[Ether].dst, routed_dst_mac)
+ self.assertEqual(inner[IPv6].src, ep.ip6.address)
+ self.assertEqual(inner[IPv6].dst, l['ip6'])
+
+ self.logger.info(self.vapi.cli("sh gbp endpoint"))
+ for l in learnt:
+ self.wait_for_ep_timeout(ip=l['ip'])
+
+ #
+ # Static sends to unknown EP with no route
+ #
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IP(dst="10.0.0.99", src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_assert_no_replies(self.pg0, [p])
+
+ #
+ # Add a route to static EP's v4 and v6 subnet
+ #
+ se_10_24 = VppGbpSubnet(
+ self, rd1, "10.0.0.0", 24,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_TRANSPORT)
+ se_10_24.add_vpp_config()
+
+ #
+ # static pings router
+ #
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IP(dst=epg_220.bvi_ip4.address, src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg0)
+
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IPv6(dst=epg_220.bvi_ip6.address, src=ep.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg0)
+
+ #
+ # packets to address in the subnet are sent on the uu-fwd
+ #
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IP(dst="10.0.0.99", src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, [p], self.pg4)
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, self.pg4.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg4.remote_ip4)
+ self.assertEqual(rx[UDP].dport, 48879)
+ # the UDP source port is a random value for hashing
+ self.assertEqual(rx[VXLAN].gpid, 441)
+ self.assertEqual(rx[VXLAN].vni, 114)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # policy is not applied to packets sent to the uu-fwd interfaces
+ self.assertFalse(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+
+ #
+ # learn some remote IPv4 EPs
+ #
+ for ii, l in enumerate(learnt):
+ # a packet with an sclass from a known EPG
+ # arriving on an unknown TEP
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[2].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=101, gpid=441, flags=0x88) /
+ Ether(src=l['mac'], dst="00:00:00:11:11:11") /
+ IP(src=l['ip'], dst=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rx = self.send_and_expect(self.pg2, [p], self.pg0)
+
+ # the new TEP
+ tep1_sw_if_index = find_vxlan_gbp_tunnel(
+ self,
+ self.pg2.local_ip4,
+ self.pg2.remote_hosts[2].ip4,
+ vx_tun_l3.vni)
+ self.assertNotEqual(INDEX_INVALID, tep1_sw_if_index)
+
+ # endpoint learnt via the parent GBP-vxlan interface
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l3._sw_if_index,
+ ip=l['ip']))
+
+ #
+ # Add a remote endpoint from the API
+ #
+ rep_88 = VppGbpEndpoint(self, vx_tun_l3,
+ epg_220, None,
+ "10.0.0.88", "11.0.0.88",
+ "2001:10::88", "3001::88",
+ ep_flags.GBP_API_ENDPOINT_FLAG_REMOTE,
+ self.pg2.local_ip4,
+ self.pg2.remote_hosts[2].ip4,
+ mac=None)
+ rep_88.add_vpp_config()
+
+ #
+ # Add a remote endpoint from the API that matches an existing one
+ # this is a lower priority, hence the packet is sent to the DP leanrt
+ # TEP
+ #
+ rep_2 = VppGbpEndpoint(self, vx_tun_l3,
+ epg_220, None,
+ learnt[0]['ip'], "11.0.0.101",
+ learnt[0]['ip6'], "3001::101",
+ ep_flags.GBP_API_ENDPOINT_FLAG_REMOTE,
+ self.pg2.local_ip4,
+ self.pg2.remote_hosts[1].ip4,
+ mac=None)
+ rep_2.add_vpp_config()
+
+ #
+ # Add a route to the learned EP's v4 subnet
+ # packets should be send on the v4/v6 uu=fwd interface resp.
+ #
+ se_10_1_24 = VppGbpSubnet(
+ self, rd1, "10.0.1.0", 24,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_TRANSPORT)
+ se_10_1_24.add_vpp_config()
+
+ self.logger.info(self.vapi.cli("show gbp endpoint"))
+
+ ips = ["10.0.0.88", learnt[0]['ip']]
+ for ip in ips:
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IP(dst=ip, src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg2)
+
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, self.pg2.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg2.remote_hosts[2].ip4)
+ self.assertEqual(rx[UDP].dport, 48879)
+ # the UDP source port is a random value for hashing
+ self.assertEqual(rx[VXLAN].gpid, 441)
+ self.assertEqual(rx[VXLAN].vni, 101)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+
+ inner = rx[VXLAN].payload
+
+ self.assertEqual(inner[Ether].src, routed_src_mac)
+ self.assertEqual(inner[Ether].dst, routed_dst_mac)
+ self.assertEqual(inner[IP].src, ep.ip4.address)
+ self.assertEqual(inner[IP].dst, ip)
+
+ #
+ # remove the API remote EPs, only API sourced is gone, the DP
+ # learnt one remains
+ #
+ rep_88.remove_vpp_config()
+ rep_2.remove_vpp_config()
+
+ self.assertTrue(find_gbp_endpoint(self, ip=rep_2.ip4.address))
+
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IP(src=ep.ip4.address, dst=rep_2.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ rxs = self.send_and_expect(self.pg0, [p], self.pg2)
+
+ self.assertFalse(find_gbp_endpoint(self, ip=rep_88.ip4.address))
+
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IP(src=ep.ip4.address, dst=rep_88.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ rxs = self.send_and_expect(self.pg0, [p], self.pg4)
+
+ #
+ # to appease the testcase we cannot have the registered EP still
+ # present (because it's DP learnt) when the TC ends so wait until
+ # it is removed
+ #
+ self.wait_for_ep_timeout(ip=rep_88.ip4.address)
+ self.wait_for_ep_timeout(ip=rep_2.ip4.address)
+
+ #
+ # Same as above, learn a remote EP via CP and DP
+ # this time remove the DP one first. expect the CP data to remain
+ #
+ rep_3 = VppGbpEndpoint(self, vx_tun_l3,
+ epg_220, None,
+ "10.0.1.4", "11.0.0.103",
+ "2001::10:3", "3001::103",
+ ep_flags.GBP_API_ENDPOINT_FLAG_REMOTE,
+ self.pg2.local_ip4,
+ self.pg2.remote_hosts[1].ip4,
+ mac=None)
+ rep_3.add_vpp_config()
+
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[2].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=101, gpid=441, flags=0x88) /
+ Ether(src=l['mac'], dst="00:00:00:11:11:11") /
+ IP(src="10.0.1.4", dst=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ rxs = self.send_and_expect(self.pg2, p * NUM_PKTS, self.pg0)
+
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l3._sw_if_index,
+ ip=rep_3.ip4.address,
+ tep=[self.pg2.local_ip4,
+ self.pg2.remote_hosts[2].ip4]))
+
+ p = (Ether(src=ep.mac, dst=self.loop0.local_mac) /
+ IP(dst="10.0.1.4", src=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ rxs = self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg2)
+
+ # host 2 is the DP learned TEP
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, self.pg2.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg2.remote_hosts[2].ip4)
+
+ self.wait_for_ep_timeout(ip=rep_3.ip4.address,
+ tep=[self.pg2.local_ip4,
+ self.pg2.remote_hosts[2].ip4])
+
+ rxs = self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg2)
+
+ # host 1 is the CP learned TEP
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, self.pg2.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg2.remote_hosts[1].ip4)
+
+ #
+ # shutdown with learnt endpoint present
+ #
+ p = (Ether(src=self.pg2.remote_mac,
+ dst=self.pg2.local_mac) /
+ IP(src=self.pg2.remote_hosts[1].ip4,
+ dst=self.pg2.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=101, gpid=441, flags=0x88) /
+ Ether(src=l['mac'], dst="00:00:00:11:11:11") /
+ IP(src=learnt[1]['ip'], dst=ep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rx = self.send_and_expect(self.pg2, [p], self.pg0)
+
+ # endpoint learnt via the parent GBP-vxlan interface
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l3._sw_if_index,
+ ip=l['ip']))
+
+ #
+ # TODO
+ # remote endpoint becomes local
+ #
+ self.pg2.unconfig_ip4()
+ self.pg3.unconfig_ip4()
+ self.pg4.unconfig_ip4()
+
+ def test_gbp_redirect(self):
+ """ GBP Endpoint Redirect """
+
+ self.vapi.cli("set logging class gbp level debug")
+
+ ep_flags = VppEnum.vl_api_gbp_endpoint_flags_t
+ routed_dst_mac = "00:0c:0c:0c:0c:0c"
+ routed_src_mac = "00:22:bd:f8:19:ff"
+
+ learnt = [{'mac': '00:00:11:11:11:02',
+ 'ip': '10.0.1.2',
+ 'ip6': '2001:10::2'},
+ {'mac': '00:00:11:11:11:03',
+ 'ip': '10.0.1.3',
+ 'ip6': '2001:10::3'}]
+
+ #
+ # IP tables
+ #
+ t4 = VppIpTable(self, 1)
+ t4.add_vpp_config()
+ t6 = VppIpTable(self, 1, True)
+ t6.add_vpp_config()
+
+ rd1 = VppGbpRouteDomain(self, 2, 402, t4, t6)
+ rd1.add_vpp_config()
+
+ self.loop0.set_mac(self.router_mac)
+
+ #
+ # Bind the BVI to the RD
+ #
+ VppIpInterfaceBind(self, self.loop0, t4).add_vpp_config()
+ VppIpInterfaceBind(self, self.loop0, t6).add_vpp_config()
+
+ #
+ # Pg7 hosts a BD's UU-fwd
+ #
+ self.pg7.config_ip4()
+ self.pg7.resolve_arp()
+
+ #
+ # a GBP bridge domains for the EPs
+ #
+ bd1 = VppBridgeDomain(self, 1)
+ bd1.add_vpp_config()
+ gbd1 = VppGbpBridgeDomain(self, bd1, rd1, self.loop0)
+ gbd1.add_vpp_config()
+
+ bd2 = VppBridgeDomain(self, 2)
+ bd2.add_vpp_config()
+ gbd2 = VppGbpBridgeDomain(self, bd2, rd1, self.loop1)
+ gbd2.add_vpp_config()
+
+ # ... and has a /32 and /128 applied
+ ip4_addr = VppIpInterfaceAddress(self, gbd1.bvi, "10.0.0.128", 32)
+ ip4_addr.add_vpp_config()
+ ip6_addr = VppIpInterfaceAddress(self, gbd1.bvi, "2001:10::128", 128)
+ ip6_addr.add_vpp_config()
+ ip4_addr = VppIpInterfaceAddress(self, gbd2.bvi, "10.0.1.128", 32)
+ ip4_addr.add_vpp_config()
+ ip6_addr = VppIpInterfaceAddress(self, gbd2.bvi, "2001:11::128", 128)
+ ip6_addr.add_vpp_config()
+
+ #
+ # The Endpoint-groups in which we are learning endpoints
+ #
+ epg_220 = VppGbpEndpointGroup(self, 220, 440, rd1, gbd1,
+ None, gbd1.bvi,
+ "10.0.0.128",
+ "2001:10::128",
+ VppGbpEndpointRetention(2))
+ epg_220.add_vpp_config()
+ epg_221 = VppGbpEndpointGroup(self, 221, 441, rd1, gbd2,
+ None, gbd2.bvi,
+ "10.0.1.128",
+ "2001:11::128",
+ VppGbpEndpointRetention(2))
+ epg_221.add_vpp_config()
+ epg_222 = VppGbpEndpointGroup(self, 222, 442, rd1, gbd1,
+ None, gbd1.bvi,
+ "10.0.2.128",
+ "2001:12::128",
+ VppGbpEndpointRetention(2))
+ epg_222.add_vpp_config()
+
+ #
+ # a GBP bridge domains for the SEPs
+ #
+ bd_uu1 = VppVxlanGbpTunnel(self, self.pg7.local_ip4,
+ self.pg7.remote_ip4, 116)
+ bd_uu1.add_vpp_config()
+ bd_uu2 = VppVxlanGbpTunnel(self, self.pg7.local_ip4,
+ self.pg7.remote_ip4, 117)
+ bd_uu2.add_vpp_config()
+
+ bd3 = VppBridgeDomain(self, 3)
+ bd3.add_vpp_config()
+ gbd3 = VppGbpBridgeDomain(self, bd3, rd1, self.loop2,
+ bd_uu1, learn=False)
+ gbd3.add_vpp_config()
+ bd4 = VppBridgeDomain(self, 4)
+ bd4.add_vpp_config()
+ gbd4 = VppGbpBridgeDomain(self, bd4, rd1, self.loop3,
+ bd_uu2, learn=False)
+ gbd4.add_vpp_config()
+
+ #
+ # EPGs in which the service endpoints exist
+ #
+ epg_320 = VppGbpEndpointGroup(self, 320, 550, rd1, gbd3,
+ None, gbd1.bvi,
+ "12.0.0.128",
+ "4001:10::128",
+ VppGbpEndpointRetention(2))
+ epg_320.add_vpp_config()
+ epg_321 = VppGbpEndpointGroup(self, 321, 551, rd1, gbd4,
+ None, gbd2.bvi,
+ "12.0.1.128",
+ "4001:11::128",
+ VppGbpEndpointRetention(2))
+ epg_321.add_vpp_config()
+
+ #
+ # three local endpoints
+ #
+ ep1 = VppGbpEndpoint(self, self.pg0,
+ epg_220, None,
+ "10.0.0.1", "11.0.0.1",
+ "2001:10::1", "3001:10::1")
+ ep1.add_vpp_config()
+ ep2 = VppGbpEndpoint(self, self.pg1,
+ epg_221, None,
+ "10.0.1.1", "11.0.1.1",
+ "2001:11::1", "3001:11::1")
+ ep2.add_vpp_config()
+ ep3 = VppGbpEndpoint(self, self.pg2,
+ epg_222, None,
+ "10.0.2.2", "11.0.2.2",
+ "2001:12::1", "3001:12::1")
+ ep3.add_vpp_config()
+
+ #
+ # service endpoints
+ #
+ sep1 = VppGbpEndpoint(self, self.pg3,
+ epg_320, None,
+ "12.0.0.1", "13.0.0.1",
+ "4001:10::1", "5001:10::1")
+ sep1.add_vpp_config()
+ sep2 = VppGbpEndpoint(self, self.pg4,
+ epg_320, None,
+ "12.0.0.2", "13.0.0.2",
+ "4001:10::2", "5001:10::2")
+ sep2.add_vpp_config()
+ sep3 = VppGbpEndpoint(self, self.pg5,
+ epg_321, None,
+ "12.0.1.1", "13.0.1.1",
+ "4001:11::1", "5001:11::1")
+ sep3.add_vpp_config()
+ # this EP is not installed immediately
+ sep4 = VppGbpEndpoint(self, self.pg6,
+ epg_321, None,
+ "12.0.1.2", "13.0.1.2",
+ "4001:11::2", "5001:11::2")
+
+ #
+ # an L2 switch packet between local EPs in different EPGs
+ # different dest ports on each so the are LB hashed differently
+ #
+ p4 = [(Ether(src=ep1.mac, dst=ep3.mac) /
+ IP(src=ep1.ip4.address, dst=ep3.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(src=ep3.mac, dst=ep1.mac) /
+ IP(src=ep3.ip4.address, dst=ep1.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))]
+ p6 = [(Ether(src=ep1.mac, dst=ep3.mac) /
+ IPv6(src=ep1.ip6.address, dst=ep3.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(src=ep3.mac, dst=ep1.mac) /
+ IPv6(src=ep3.ip6.address, dst=ep1.ip6.address) /
+ UDP(sport=1234, dport=1230) /
+ Raw('\xa5' * 100))]
+
+ # should be dropped since no contract yet
+ self.send_and_assert_no_replies(self.pg0, [p4[0]])
+ self.send_and_assert_no_replies(self.pg0, [p6[0]])
+
+ #
+ # Add a contract with a rule to load-balance redirect via SEP1 and SEP2
+ # one of the next-hops is via an EP that is not known
+ #
+ acl = VppGbpAcl(self)
+ rule4 = acl.create_rule(permit_deny=1, proto=17)
+ rule6 = acl.create_rule(is_ipv6=1, permit_deny=1, proto=17)
+ acl_index = acl.add_vpp_config([rule4, rule6])
+
+ #
+ # test the src-ip hash mode
+ #
+ c1 = VppGbpContract(
+ self, 402, epg_220.sclass, epg_222.sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [VppGbpContractNextHop(sep1.vmac, sep1.epg.bd,
+ sep1.ip4, sep1.epg.rd),
+ VppGbpContractNextHop(sep2.vmac, sep2.epg.bd,
+ sep2.ip4, sep2.epg.rd)]),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [VppGbpContractNextHop(sep3.vmac, sep3.epg.bd,
+ sep3.ip6, sep3.epg.rd),
+ VppGbpContractNextHop(sep4.vmac, sep4.epg.bd,
+ sep4.ip6, sep4.epg.rd)])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c1.add_vpp_config()
+
+ c2 = VppGbpContract(
+ self, 402, epg_222.sclass, epg_220.sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [VppGbpContractNextHop(sep1.vmac, sep1.epg.bd,
+ sep1.ip4, sep1.epg.rd),
+ VppGbpContractNextHop(sep2.vmac, sep2.epg.bd,
+ sep2.ip4, sep2.epg.rd)]),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [VppGbpContractNextHop(sep3.vmac, sep3.epg.bd,
+ sep3.ip6, sep3.epg.rd),
+ VppGbpContractNextHop(sep4.vmac, sep4.epg.bd,
+ sep4.ip6, sep4.epg.rd)])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c2.add_vpp_config()
+
+ #
+ # send again with the contract preset, now packets arrive
+ # at SEP1 or SEP2 depending on the hashing
+ #
+ rxs = self.send_and_expect(self.pg0, p4[0] * 17, sep1.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep1.mac)
+ self.assertEqual(rx[IP].src, ep1.ip4.address)
+ self.assertEqual(rx[IP].dst, ep3.ip4.address)
+
+ rxs = self.send_and_expect(self.pg2, p4[1] * 17, sep2.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep2.mac)
+ self.assertEqual(rx[IP].src, ep3.ip4.address)
+ self.assertEqual(rx[IP].dst, ep1.ip4.address)
+
+ rxs = self.send_and_expect(self.pg0, p6[0] * 17, self.pg7)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg7.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg7.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg7.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg7.remote_ip4)
+ self.assertEqual(rx[VXLAN].vni, 117)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # redirect policy has been applied
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+
+ inner = rx[VXLAN].payload
+
+ self.assertEqual(inner[Ether].src, routed_src_mac)
+ self.assertEqual(inner[Ether].dst, sep4.mac)
+ self.assertEqual(inner[IPv6].src, ep1.ip6.address)
+ self.assertEqual(inner[IPv6].dst, ep3.ip6.address)
+
+ rxs = self.send_and_expect(self.pg2, p6[1] * 17, sep3.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep3.mac)
+ self.assertEqual(rx[IPv6].src, ep3.ip6.address)
+ self.assertEqual(rx[IPv6].dst, ep1.ip6.address)
+
+ #
+ # programme the unknown EP
+ #
+ sep4.add_vpp_config()
+
+ rxs = self.send_and_expect(self.pg0, p6[0] * 17, sep4.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep4.mac)
+ self.assertEqual(rx[IPv6].src, ep1.ip6.address)
+ self.assertEqual(rx[IPv6].dst, ep3.ip6.address)
+
+ #
+ # and revert back to unprogrammed
+ #
+ sep4.remove_vpp_config()
+
+ rxs = self.send_and_expect(self.pg0, p6[0] * 17, self.pg7)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg7.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg7.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg7.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg7.remote_ip4)
+ self.assertEqual(rx[VXLAN].vni, 117)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # redirect policy has been applied
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+
+ inner = rx[VXLAN].payload
+
+ self.assertEqual(inner[Ether].src, routed_src_mac)
+ self.assertEqual(inner[Ether].dst, sep4.mac)
+ self.assertEqual(inner[IPv6].src, ep1.ip6.address)
+ self.assertEqual(inner[IPv6].dst, ep3.ip6.address)
+
+ c1.remove_vpp_config()
+ c2.remove_vpp_config()
+
+ #
+ # test the symmetric hash mode
+ #
+ c1 = VppGbpContract(
+ self, 402, epg_220.sclass, epg_222.sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SYMMETRIC,
+ [VppGbpContractNextHop(sep1.vmac, sep1.epg.bd,
+ sep1.ip4, sep1.epg.rd),
+ VppGbpContractNextHop(sep2.vmac, sep2.epg.bd,
+ sep2.ip4, sep2.epg.rd)]),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SYMMETRIC,
+ [VppGbpContractNextHop(sep3.vmac, sep3.epg.bd,
+ sep3.ip6, sep3.epg.rd),
+ VppGbpContractNextHop(sep4.vmac, sep4.epg.bd,
+ sep4.ip6, sep4.epg.rd)])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c1.add_vpp_config()
+
+ c2 = VppGbpContract(
+ self, 402, epg_222.sclass, epg_220.sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SYMMETRIC,
+ [VppGbpContractNextHop(sep1.vmac, sep1.epg.bd,
+ sep1.ip4, sep1.epg.rd),
+ VppGbpContractNextHop(sep2.vmac, sep2.epg.bd,
+ sep2.ip4, sep2.epg.rd)]),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SYMMETRIC,
+ [VppGbpContractNextHop(sep3.vmac, sep3.epg.bd,
+ sep3.ip6, sep3.epg.rd),
+ VppGbpContractNextHop(sep4.vmac, sep4.epg.bd,
+ sep4.ip6, sep4.epg.rd)])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c2.add_vpp_config()
+
+ #
+ # send again with the contract preset, now packets arrive
+ # at SEP1 for both directions
+ #
+ rxs = self.send_and_expect(self.pg0, p4[0] * 17, sep1.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep1.mac)
+ self.assertEqual(rx[IP].src, ep1.ip4.address)
+ self.assertEqual(rx[IP].dst, ep3.ip4.address)
+
+ rxs = self.send_and_expect(self.pg2, p4[1] * 17, sep1.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep1.mac)
+ self.assertEqual(rx[IP].src, ep3.ip4.address)
+ self.assertEqual(rx[IP].dst, ep1.ip4.address)
+
+ #
+ # programme the unknown EP for the L3 tests
+ #
+ sep4.add_vpp_config()
+
+ #
+ # an L3 switch packet between local EPs in different EPGs
+ # different dest ports on each so the are LB hashed differently
+ #
+ p4 = [(Ether(src=ep1.mac, dst=str(self.router_mac)) /
+ IP(src=ep1.ip4.address, dst=ep2.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(src=ep2.mac, dst=str(self.router_mac)) /
+ IP(src=ep2.ip4.address, dst=ep1.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))]
+ p6 = [(Ether(src=ep1.mac, dst=str(self.router_mac)) /
+ IPv6(src=ep1.ip6.address, dst=ep2.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(src=ep2.mac, dst=str(self.router_mac)) /
+ IPv6(src=ep2.ip6.address, dst=ep1.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))]
+
+ c3 = VppGbpContract(
+ self, 402, epg_220.sclass, epg_221.sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SYMMETRIC,
+ [VppGbpContractNextHop(sep1.vmac, sep1.epg.bd,
+ sep1.ip4, sep1.epg.rd),
+ VppGbpContractNextHop(sep2.vmac, sep2.epg.bd,
+ sep2.ip4, sep2.epg.rd)]),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SYMMETRIC,
+ [VppGbpContractNextHop(sep3.vmac, sep3.epg.bd,
+ sep3.ip6, sep3.epg.rd),
+ VppGbpContractNextHop(sep4.vmac, sep4.epg.bd,
+ sep4.ip6, sep4.epg.rd)])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c3.add_vpp_config()
+
+ rxs = self.send_and_expect(self.pg0, p4[0] * 17, sep1.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep1.mac)
+ self.assertEqual(rx[IP].src, ep1.ip4.address)
+ self.assertEqual(rx[IP].dst, ep2.ip4.address)
+
+ #
+ # learn a remote EP in EPG 221
+ # packets coming from unknown remote EPs will be leant & redirected
+ #
+ vx_tun_l3 = VppGbpVxlanTunnel(
+ self, 444, rd1.rd_id,
+ VppEnum.vl_api_gbp_vxlan_tunnel_mode_t.GBP_VXLAN_TUNNEL_MODE_L3,
+ self.pg2.local_ip4)
+ vx_tun_l3.add_vpp_config()
+
+ c4 = VppGbpContract(
+ self, 402, epg_221.sclass, epg_220.sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [VppGbpContractNextHop(sep1.vmac, sep1.epg.bd,
+ sep1.ip4, sep1.epg.rd),
+ VppGbpContractNextHop(sep2.vmac, sep2.epg.bd,
+ sep2.ip4, sep2.epg.rd)]),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [VppGbpContractNextHop(sep3.vmac, sep3.epg.bd,
+ sep3.ip6, sep3.epg.rd),
+ VppGbpContractNextHop(sep4.vmac, sep4.epg.bd,
+ sep4.ip6, sep4.epg.rd)])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c4.add_vpp_config()
+
+ p = (Ether(src=self.pg7.remote_mac,
+ dst=self.pg7.local_mac) /
+ IP(src=self.pg7.remote_ip4,
+ dst=self.pg7.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=444, gpid=441, flags=0x88) /
+ Ether(src="00:22:22:22:22:33", dst=str(self.router_mac)) /
+ IP(src="10.0.0.88", dst=ep1.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ # unknown remote EP to local EP redirected
+ rxs = self.send_and_expect(self.pg7, [p], sep1.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep1.mac)
+ self.assertEqual(rx[IP].src, "10.0.0.88")
+ self.assertEqual(rx[IP].dst, ep1.ip4.address)
+
+ # endpoint learnt via the parent GBP-vxlan interface
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l3._sw_if_index,
+ ip="10.0.0.88"))
+
+ p = (Ether(src=self.pg7.remote_mac,
+ dst=self.pg7.local_mac) /
+ IP(src=self.pg7.remote_ip4,
+ dst=self.pg7.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=444, gpid=441, flags=0x88) /
+ Ether(src="00:22:22:22:22:33", dst=str(self.router_mac)) /
+ IPv6(src="2001:10::88", dst=ep1.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ # unknown remote EP to local EP redirected (ipv6)
+ rxs = self.send_and_expect(self.pg7, [p], sep3.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep3.mac)
+ self.assertEqual(rx[IPv6].src, "2001:10::88")
+ self.assertEqual(rx[IPv6].dst, ep1.ip6.address)
+
+ # endpoint learnt via the parent GBP-vxlan interface
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l3._sw_if_index,
+ ip="2001:10::88"))
+
+ #
+ # L3 switch from local to remote EP
+ #
+ p4 = [(Ether(src=ep1.mac, dst=str(self.router_mac)) /
+ IP(src=ep1.ip4.address, dst="10.0.0.88") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))]
+ p6 = [(Ether(src=ep1.mac, dst=str(self.router_mac)) /
+ IPv6(src=ep1.ip6.address, dst="2001:10::88") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))]
+
+ rxs = self.send_and_expect(self.pg0, p4[0] * 17, sep1.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep1.mac)
+ self.assertEqual(rx[IP].src, ep1.ip4.address)
+ self.assertEqual(rx[IP].dst, "10.0.0.88")
+
+ rxs = self.send_and_expect(self.pg0, p6[0] * 17, sep4.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep4.mac)
+ self.assertEqual(rx[IPv6].src, ep1.ip6.address)
+ self.assertEqual(rx[IPv6].dst, "2001:10::88")
+
+ #
+ # test the dst-ip hash mode
+ #
+ c5 = VppGbpContract(
+ self, 402, epg_220.sclass, epg_221.sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_DST_IP,
+ [VppGbpContractNextHop(sep1.vmac, sep1.epg.bd,
+ sep1.ip4, sep1.epg.rd),
+ VppGbpContractNextHop(sep2.vmac, sep2.epg.bd,
+ sep2.ip4, sep2.epg.rd)]),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_DST_IP,
+ [VppGbpContractNextHop(sep3.vmac, sep3.epg.bd,
+ sep3.ip6, sep3.epg.rd),
+ VppGbpContractNextHop(sep4.vmac, sep4.epg.bd,
+ sep4.ip6, sep4.epg.rd)])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c5.add_vpp_config()
+
+ rxs = self.send_and_expect(self.pg0, p4[0] * 17, sep1.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep1.mac)
+ self.assertEqual(rx[IP].src, ep1.ip4.address)
+ self.assertEqual(rx[IP].dst, "10.0.0.88")
+
+ rxs = self.send_and_expect(self.pg0, p6[0] * 17, sep3.itf)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep3.mac)
+ self.assertEqual(rx[IPv6].src, ep1.ip6.address)
+ self.assertEqual(rx[IPv6].dst, "2001:10::88")
+
+ #
+ # a programmed remote SEP in EPG 320
+ #
+
+ # gbp vxlan tunnel for the remote SEP
+ vx_tun_l3_sep = VppGbpVxlanTunnel(
+ self, 555, rd1.rd_id,
+ VppEnum.vl_api_gbp_vxlan_tunnel_mode_t.GBP_VXLAN_TUNNEL_MODE_L3,
+ self.pg2.local_ip4)
+ vx_tun_l3_sep.add_vpp_config()
+
+ # remote SEP
+ sep5 = VppGbpEndpoint(self, vx_tun_l3_sep,
+ epg_320, None,
+ "12.0.0.10", "13.0.0.10",
+ "4001:10::10", "5001:10::10",
+ ep_flags.GBP_API_ENDPOINT_FLAG_REMOTE,
+ self.pg7.local_ip4,
+ self.pg7.remote_ip4,
+ mac=None)
+ sep5.add_vpp_config()
+
+ #
+ # local l3out redirect tests
+ #
+
+ # add local l3out
+ # the external bd
+ self.loop4.set_mac(self.router_mac)
+ VppIpInterfaceBind(self, self.loop4, t4).add_vpp_config()
+ VppIpInterfaceBind(self, self.loop4, t6).add_vpp_config()
+ ebd = VppBridgeDomain(self, 100)
+ ebd.add_vpp_config()
+ gebd = VppGbpBridgeDomain(self, ebd, rd1, self.loop4, None, None)
+ gebd.add_vpp_config()
+ # the external epg
+ eepg = VppGbpEndpointGroup(self, 888, 765, rd1, gebd,
+ None, gebd.bvi,
+ "10.1.0.128",
+ "2001:10:1::128",
+ VppGbpEndpointRetention(2))
+ eepg.add_vpp_config()
+ # add subnets to BVI
+ VppIpInterfaceAddress(
+ self,
+ gebd.bvi,
+ "10.1.0.128",
+ 24).add_vpp_config()
+ VppIpInterfaceAddress(
+ self,
+ gebd.bvi,
+ "2001:10:1::128",
+ 64).add_vpp_config()
+ # ... which are L3-out subnets
+ VppGbpSubnet(self, rd1, "10.1.0.0", 24,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT,
+ sclass=765).add_vpp_config()
+ VppGbpSubnet(self, rd1, "2001:10:1::128", 64,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT,
+ sclass=765).add_vpp_config()
+ # external endpoints
+ VppL2Vtr(self, self.vlan_100, L2_VTR_OP.L2_POP_1).add_vpp_config()
+ eep1 = VppGbpEndpoint(self, self.vlan_100, eepg, None, "10.1.0.1",
+ "11.1.0.1", "2001:10:1::1", "3001:10:1::1",
+ ep_flags.GBP_API_ENDPOINT_FLAG_EXTERNAL)
+ eep1.add_vpp_config()
+ VppL2Vtr(self, self.vlan_101, L2_VTR_OP.L2_POP_1).add_vpp_config()
+ eep2 = VppGbpEndpoint(self, self.vlan_101, eepg, None, "10.1.0.2",
+ "11.1.0.2", "2001:10:1::2", "3001:10:1::2",
+ ep_flags.GBP_API_ENDPOINT_FLAG_EXTERNAL)
+ eep2.add_vpp_config()
+
+ # external subnets reachable though eep1 and eep2 respectively
+ VppIpRoute(self, "10.220.0.0", 24,
+ [VppRoutePath(eep1.ip4.address, eep1.epg.bvi.sw_if_index)],
+ table_id=t4.table_id).add_vpp_config()
+ VppGbpSubnet(self, rd1, "10.220.0.0", 24,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT,
+ sclass=4220).add_vpp_config()
+ VppIpRoute(self, "10:220::", 64,
+ [VppRoutePath(eep1.ip6.address, eep1.epg.bvi.sw_if_index)],
+ table_id=t6.table_id).add_vpp_config()
+ VppGbpSubnet(self, rd1, "10:220::", 64,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT,
+ sclass=4220).add_vpp_config()
+ VppIpRoute(self, "10.221.0.0", 24,
+ [VppRoutePath(eep2.ip4.address, eep2.epg.bvi.sw_if_index)],
+ table_id=t4.table_id).add_vpp_config()
+ VppGbpSubnet(self, rd1, "10.221.0.0", 24,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT,
+ sclass=4221).add_vpp_config()
+ VppIpRoute(self, "10:221::", 64,
+ [VppRoutePath(eep2.ip6.address, eep2.epg.bvi.sw_if_index)],
+ table_id=t6.table_id).add_vpp_config()
+ VppGbpSubnet(self, rd1, "10:221::", 64,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT,
+ sclass=4221).add_vpp_config()
+
+ #
+ # l3out redirect to remote (known, then unknown) SEP
+ #
+
+ # packets from 1 external subnet to the other
+ p = [(Ether(src=eep1.mac, dst=self.router_mac) /
+ Dot1Q(vlan=100) /
+ IP(src="10.220.0.17", dst="10.221.0.65") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(src=eep1.mac, dst=self.router_mac) /
+ Dot1Q(vlan=100) /
+ IPv6(src="10:220::17", dst="10:221::65") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))]
+
+ # packets should be dropped in absence of contract
+ self.send_and_assert_no_replies(self.pg0, p)
+
+ # contract redirecting to sep5
+ VppGbpContract(
+ self, 402, 4220, 4221, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_DST_IP,
+ [VppGbpContractNextHop(sep5.vmac, sep5.epg.bd,
+ sep5.ip4, sep5.epg.rd)]),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_DST_IP,
+ [VppGbpContractNextHop(sep5.vmac, sep5.epg.bd,
+ sep5.ip6, sep5.epg.rd)])],
+ [ETH_P_IP, ETH_P_IPV6]).add_vpp_config()
+
+ rxs = self.send_and_expect(self.pg0, p, self.pg7)
+
+ for rx, tx in zip(rxs, p):
+ self.assertEqual(rx[Ether].src, self.pg7.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg7.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg7.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg7.remote_ip4)
+ # this should use the programmed remote leaf TEP
+ self.assertEqual(rx[VXLAN].vni, 555)
+ self.assertEqual(rx[VXLAN].gpid, 4220)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # redirect policy has been applied
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertTrue(rx[VXLAN].gpflags.D)
+ rxip = rx[VXLAN][Ether].payload
+ txip = tx[Dot1Q].payload
+ self.assertEqual(rxip.src, txip.src)
+ self.assertEqual(rxip.dst, txip.dst)
+
+ # remote SEP: it is now an unknown remote SEP and should go
+ # to spine proxy
+ sep5.remove_vpp_config()
+
+ rxs = self.send_and_expect(self.pg0, p, self.pg7)
+
+ for rx, tx in zip(rxs, p):
+ self.assertEqual(rx[Ether].src, self.pg7.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg7.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg7.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg7.remote_ip4)
+ # this should use the spine proxy TEP
+ self.assertEqual(rx[VXLAN].vni, epg_320.bd.uu_fwd.vni)
+ self.assertEqual(rx[VXLAN].gpid, 4220)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # redirect policy has been applied
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertTrue(rx[VXLAN].gpflags.D)
+ rxip = rx[VXLAN][Ether].payload
+ txip = tx[Dot1Q].payload
+ self.assertEqual(rxip.src, txip.src)
+ self.assertEqual(rxip.dst, txip.dst)
+
+ #
+ # l3out redirect to local SEP
+ #
+
+ # change the contract between l3out to redirect to local SEPs
+ # instead of remote SEP
+ VppGbpContract(
+ self, 402, 4220, 4221, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_DST_IP,
+ [VppGbpContractNextHop(sep1.vmac, sep1.epg.bd,
+ sep1.ip4, sep1.epg.rd)]),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_DST_IP,
+ [VppGbpContractNextHop(sep1.vmac, sep1.epg.bd,
+ sep1.ip6, sep1.epg.rd)])],
+ [ETH_P_IP, ETH_P_IPV6]).add_vpp_config()
+
+ rxs = self.send_and_expect(self.pg0, p, sep1.itf)
+ for rx, tx in zip(rxs, p):
+ self.assertEqual(rx[Ether].src, routed_src_mac)
+ self.assertEqual(rx[Ether].dst, sep1.mac)
+ rxip = rx[Ether].payload
+ txip = tx[Ether].payload
+ self.assertEqual(rxip.src, txip.src)
+ self.assertEqual(rxip.dst, txip.dst)
+
+ #
+ # redirect remote EP to remote (known then unknown) SEP
+ #
+
+ # remote SEP known again
+ sep5.add_vpp_config()
+
+ # contract to redirect to learnt SEP
+ VppGbpContract(
+ self, 402, epg_221.sclass, epg_222.sclass, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_DST_IP,
+ [VppGbpContractNextHop(sep5.vmac, sep5.epg.bd,
+ sep5.ip4, sep5.epg.rd)]),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_REDIRECT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_DST_IP,
+ [VppGbpContractNextHop(sep5.vmac, sep5.epg.bd,
+ sep5.ip6, sep5.epg.rd)])],
+ [ETH_P_IP, ETH_P_IPV6]).add_vpp_config()
+
+ # packets from unknown EP 221 to known EP in EPG 222
+ # should be redirected to known remote SEP
+ base = (Ether(src=self.pg7.remote_mac, dst=self.pg7.local_mac) /
+ IP(src=self.pg7.remote_ip4, dst=self.pg7.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=444, gpid=441, flags=0x88) /
+ Ether(src="00:22:22:22:22:44", dst=str(self.router_mac)))
+ p = [(base /
+ IP(src="10.0.1.100", dst=ep3.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (base /
+ IPv6(src="2001:10::100", dst=ep3.ip6.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))]
+
+ # unknown remote EP to local EP redirected to known remote SEP
+ rxs = self.send_and_expect(self.pg7, p, self.pg7)
+
+ for rx, tx in zip(rxs, p):
+ self.assertEqual(rx[Ether].src, self.pg7.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg7.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg7.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg7.remote_ip4)
+ # this should use the programmed remote leaf TEP
+ self.assertEqual(rx[VXLAN].vni, 555)
+ self.assertEqual(rx[VXLAN].gpid, epg_221.sclass)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # redirect policy has been applied
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+ rxip = rx[VXLAN][Ether].payload
+ txip = tx[VXLAN][Ether].payload
+ self.assertEqual(rxip.src, txip.src)
+ self.assertEqual(rxip.dst, txip.dst)
+
+ # endpoint learnt via the parent GBP-vxlan interface
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l3._sw_if_index,
+ ip="10.0.1.100"))
+ self.assertTrue(find_gbp_endpoint(self,
+ vx_tun_l3._sw_if_index,
+ ip="2001:10::100"))
+
+ # remote SEP: it is now an unknown remote SEP and should go
+ # to spine proxy
+ sep5.remove_vpp_config()
+
+ # remote EP (coming from spine proxy) to local EP redirected to
+ # known remote SEP
+ rxs = self.send_and_expect(self.pg7, p, self.pg7)
+
+ for rx, tx in zip(rxs, p):
+ self.assertEqual(rx[Ether].src, self.pg7.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg7.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg7.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg7.remote_ip4)
+ # this should use the spine proxy TEP
+ self.assertEqual(rx[VXLAN].vni, epg_320.bd.uu_fwd.vni)
+ self.assertEqual(rx[VXLAN].gpid, epg_221.sclass)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # redirect policy has been applied
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+ rxip = rx[VXLAN][Ether].payload
+ txip = tx[VXLAN][Ether].payload
+ self.assertEqual(rxip.src, txip.src)
+ self.assertEqual(rxip.dst, txip.dst)
+
+ #
+ # cleanup
+ #
+ self.pg7.unconfig_ip4()
+
+ def test_gbp_l3_out(self):
+ """ GBP L3 Out """
+
+ ep_flags = VppEnum.vl_api_gbp_endpoint_flags_t
+ self.vapi.cli("set logging class gbp level debug")
+
+ routed_dst_mac = "00:0c:0c:0c:0c:0c"
+ routed_src_mac = "00:22:bd:f8:19:ff"
+
+ #
+ # IP tables
+ #
+ t4 = VppIpTable(self, 1)
+ t4.add_vpp_config()
+ t6 = VppIpTable(self, 1, True)
+ t6.add_vpp_config()
+
+ rd1 = VppGbpRouteDomain(self, 2, 55, t4, t6)
+ rd1.add_vpp_config()
+
+ self.loop0.set_mac(self.router_mac)
+
+ #
+ # Bind the BVI to the RD
+ #
+ VppIpInterfaceBind(self, self.loop0, t4).add_vpp_config()
+ VppIpInterfaceBind(self, self.loop0, t6).add_vpp_config()
+
+ #
+ # Pg7 hosts a BD's BUM
+ # Pg1 some other l3 interface
+ #
+ self.pg7.config_ip4()
+ self.pg7.resolve_arp()
+
+ #
+ # a multicast vxlan-gbp tunnel for broadcast in the BD
+ #
+ tun_bm = VppVxlanGbpTunnel(self, self.pg7.local_ip4,
+ "239.1.1.1", 88,
+ mcast_itf=self.pg7)
+ tun_bm.add_vpp_config()
+
+ #
+ # a GBP external bridge domains for the EPs
+ #
+ bd1 = VppBridgeDomain(self, 1)
+ bd1.add_vpp_config()
+ gbd1 = VppGbpBridgeDomain(self, bd1, rd1, self.loop0, None, tun_bm)
+ gbd1.add_vpp_config()
+
+ #
+ # The Endpoint-groups in which the external endpoints exist
+ #
+ epg_220 = VppGbpEndpointGroup(self, 220, 113, rd1, gbd1,
+ None, gbd1.bvi,
+ "10.0.0.128",
+ "2001:10::128",
+ VppGbpEndpointRetention(2))
+ epg_220.add_vpp_config()
+
+ # the BVIs have the subnets applied ...
+ ip4_addr = VppIpInterfaceAddress(self, gbd1.bvi, "10.0.0.128", 24)
+ ip4_addr.add_vpp_config()
+ ip6_addr = VppIpInterfaceAddress(self, gbd1.bvi, "2001:10::128", 64)
+ ip6_addr.add_vpp_config()
+
+ # ... which are L3-out subnets
+ l3o_1 = VppGbpSubnet(
+ self, rd1, "10.0.0.0", 24,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT,
+ sclass=113)
+ l3o_1.add_vpp_config()
+
+ #
+ # an external interface attached to the outside world and the
+ # external BD
+ #
+ VppL2Vtr(self, self.vlan_100, L2_VTR_OP.L2_POP_1).add_vpp_config()
+ VppL2Vtr(self, self.vlan_101, L2_VTR_OP.L2_POP_1).add_vpp_config()
+ vlan_144 = VppDot1QSubint(self, self.pg0, 144)
+ vlan_144.admin_up()
+ # vlan_102 is not poped
+
+ #
+ # an unicast vxlan-gbp for inter-RD traffic
+ #
+ vx_tun_l3 = VppGbpVxlanTunnel(
+ self, 444, rd1.rd_id,
+ VppEnum.vl_api_gbp_vxlan_tunnel_mode_t.GBP_VXLAN_TUNNEL_MODE_L3,
+ self.pg2.local_ip4)
+ vx_tun_l3.add_vpp_config()
+
+ #
+ # External Endpoints
+ #
+ eep1 = VppGbpEndpoint(self, self.vlan_100,
+ epg_220, None,
+ "10.0.0.1", "11.0.0.1",
+ "2001:10::1", "3001::1",
+ ep_flags.GBP_API_ENDPOINT_FLAG_EXTERNAL)
+ eep1.add_vpp_config()
+ eep2 = VppGbpEndpoint(self, self.vlan_101,
+ epg_220, None,
+ "10.0.0.2", "11.0.0.2",
+ "2001:10::2", "3001::2",
+ ep_flags.GBP_API_ENDPOINT_FLAG_EXTERNAL)
+ eep2.add_vpp_config()
+ eep3 = VppGbpEndpoint(self, self.vlan_102,
+ epg_220, None,
+ "10.0.0.3", "11.0.0.3",
+ "2001:10::3", "3001::3",
+ ep_flags.GBP_API_ENDPOINT_FLAG_EXTERNAL)
+ eep3.add_vpp_config()
+
+ #
+ # A remote external endpoint
+ #
+ rep = VppGbpEndpoint(self, vx_tun_l3,
+ epg_220, None,
+ "10.0.0.101", "11.0.0.101",
+ "2001:10::101", "3001::101",
+ ep_flags.GBP_API_ENDPOINT_FLAG_REMOTE,
+ self.pg7.local_ip4,
+ self.pg7.remote_ip4,
+ mac=None)
+ rep.add_vpp_config()
+
+ #
+ # EP1 impersonating EP3 is dropped
+ #
+ p = (Ether(src=eep1.mac, dst="ff:ff:ff:ff:ff:ff") /
+ Dot1Q(vlan=100) /
+ ARP(op="who-has",
+ psrc="10.0.0.3", pdst="10.0.0.128",
+ hwsrc=eep1.mac, hwdst="ff:ff:ff:ff:ff:ff"))
+ self.send_and_assert_no_replies(self.pg0, p)
+
+ #
+ # ARP packet from External EPs are accepted and replied to
+ #
+ p_arp = (Ether(src=eep1.mac, dst="ff:ff:ff:ff:ff:ff") /
+ Dot1Q(vlan=100) /
+ ARP(op="who-has",
+ psrc=eep1.ip4.address, pdst="10.0.0.128",
+ hwsrc=eep1.mac, hwdst="ff:ff:ff:ff:ff:ff"))
+ rxs = self.send_and_expect(self.pg0, p_arp * 1, self.pg0)
+
+ #
+ # ARP packet from host in remote subnet are accepted and replied to
+ #
+ p_arp = (Ether(src=eep3.mac, dst="ff:ff:ff:ff:ff:ff") /
+ Dot1Q(vlan=102) /
+ ARP(op="who-has",
+ psrc=eep3.ip4.address, pdst="10.0.0.128",
+ hwsrc=eep3.mac, hwdst="ff:ff:ff:ff:ff:ff"))
+ rxs = self.send_and_expect(self.pg0, p_arp * 1, self.pg0)
+
+ #
+ # packets destined to unknown addresses in the BVI's subnet
+ # are ARP'd for
+ #
+ p4 = (Ether(src=eep1.mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src="10.0.0.1", dst="10.0.0.88") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ p6 = (Ether(src=eep1.mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IPv6(src="2001:10::1", dst="2001:10::88") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p4 * 1, self.pg7)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg7.local_mac)
+ # self.assertEqual(rx[Ether].dst, self.pg7.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg7.local_ip4)
+ self.assertEqual(rx[IP].dst, "239.1.1.1")
+ self.assertEqual(rx[VXLAN].vni, 88)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # policy was applied to the original IP packet
+ self.assertEqual(rx[VXLAN].gpid, 113)
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ self.assertFalse(rx[VXLAN].gpflags.D)
+
+ inner = rx[VXLAN].payload
+
+ self.assertTrue(inner.haslayer(ARP))
+
+ #
+ # remote to external
+ #
+ p = (Ether(src=self.pg7.remote_mac,
+ dst=self.pg7.local_mac) /
+ IP(src=self.pg7.remote_ip4,
+ dst=self.pg7.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=444, gpid=113, flags=0x88) /
+ Ether(src=self.pg0.remote_mac, dst=str(self.router_mac)) /
+ IP(src="10.0.0.101", dst="10.0.0.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg7, p * 1, self.pg0)
+
+ #
+ # local EP pings router
+ #
+ p = (Ether(src=eep1.mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src=eep1.ip4.address, dst="10.0.0.128") /
+ ICMP(type='echo-request'))
+
+ rxs = self.send_and_expect(self.pg0, p * 1, self.pg0)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, str(self.router_mac))
+ self.assertEqual(rx[Ether].dst, eep1.mac)
+ self.assertEqual(rx[Dot1Q].vlan, 100)
+
+ #
+ # local EP pings other local EP
+ #
+ p = (Ether(src=eep1.mac, dst=eep2.mac) /
+ Dot1Q(vlan=100) /
+ IP(src=eep1.ip4.address, dst=eep2.ip4.address) /
+ ICMP(type='echo-request'))
+
+ rxs = self.send_and_expect(self.pg0, p * 1, self.pg0)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, eep1.mac)
+ self.assertEqual(rx[Ether].dst, eep2.mac)
+ self.assertEqual(rx[Dot1Q].vlan, 101)
+
+ #
+ # local EP pings router w/o vlan tag poped
+ #
+ p = (Ether(src=eep3.mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=102) /
+ IP(src=eep3.ip4.address, dst="10.0.0.128") /
+ ICMP(type='echo-request'))
+
+ rxs = self.send_and_expect(self.pg0, p * 1, self.pg0)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, str(self.router_mac))
+ self.assertEqual(rx[Ether].dst, self.vlan_102.remote_mac)
+
+ #
+ # A ip4 subnet reachable through the external EP1
+ #
+ ip_220 = VppIpRoute(self, "10.220.0.0", 24,
+ [VppRoutePath(eep1.ip4.address,
+ eep1.epg.bvi.sw_if_index)],
+ table_id=t4.table_id)
+ ip_220.add_vpp_config()
+
+ l3o_220 = VppGbpSubnet(
+ self, rd1, "10.220.0.0", 24,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT,
+ sclass=4220)
+ l3o_220.add_vpp_config()
+
+ #
+ # An ip6 subnet reachable through the external EP1
+ #
+ ip6_220 = VppIpRoute(self, "10:220::", 64,
+ [VppRoutePath(eep1.ip6.address,
+ eep1.epg.bvi.sw_if_index)],
+ table_id=t6.table_id)
+ ip6_220.add_vpp_config()
+
+ l3o6_220 = VppGbpSubnet(
+ self, rd1, "10:220::", 64,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT,
+ sclass=4220)
+ l3o6_220.add_vpp_config()
+
+ #
+ # A subnet reachable through the external EP2
+ #
+ ip_221 = VppIpRoute(self, "10.221.0.0", 24,
+ [VppRoutePath(eep2.ip4.address,
+ eep2.epg.bvi.sw_if_index)],
+ table_id=t4.table_id)
+ ip_221.add_vpp_config()
+
+ l3o_221 = VppGbpSubnet(
+ self, rd1, "10.221.0.0", 24,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT,
+ sclass=4221)
+ l3o_221.add_vpp_config()
+
+ #
+ # ping between hosts in remote subnets
+ # dropped without a contract
+ #
+ p = (Ether(src=eep1.mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src="10.220.0.1", dst="10.221.0.1") /
+ ICMP(type='echo-request'))
+
+ self.send_and_assert_no_replies(self.pg0, p * 1)
+
+ #
+ # contract for the external nets to communicate
+ #
+ acl = VppGbpAcl(self)
+ rule4 = acl.create_rule(permit_deny=1, proto=17)
+ rule6 = acl.create_rule(is_ipv6=1, permit_deny=1, proto=17)
+ acl_index = acl.add_vpp_config([rule4, rule6])
+
+ #
+ # A contract with the wrong scope is not matched
+ #
+ c_44 = VppGbpContract(
+ self, 44, 4220, 4221, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c_44.add_vpp_config()
+ self.send_and_assert_no_replies(self.pg0, p * 1)
+
+ c1 = VppGbpContract(
+ self, 55, 4220, 4221, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c1.add_vpp_config()
+
+ #
+ # Contracts allowing ext-net 200 to talk with external EPs
+ #
+ c2 = VppGbpContract(
+ self, 55, 4220, 113, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c2.add_vpp_config()
+ c3 = VppGbpContract(
+ self, 55, 113, 4220, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c3.add_vpp_config()
+
+ #
+ # ping between hosts in remote subnets
+ #
+ p = (Ether(src=eep1.mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src="10.220.0.1", dst="10.221.0.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * 1, self.pg0)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, str(self.router_mac))
+ self.assertEqual(rx[Ether].dst, eep2.mac)
+ self.assertEqual(rx[Dot1Q].vlan, 101)
+
+ # we did not learn these external hosts
+ self.assertFalse(find_gbp_endpoint(self, ip="10.220.0.1"))
+ self.assertFalse(find_gbp_endpoint(self, ip="10.221.0.1"))
+
+ #
+ # from remote external EP to local external EP
+ #
+ p = (Ether(src=self.pg7.remote_mac,
+ dst=self.pg7.local_mac) /
+ IP(src=self.pg7.remote_ip4,
+ dst=self.pg7.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=444, gpid=113, flags=0x88) /
+ Ether(src=self.pg0.remote_mac, dst=str(self.router_mac)) /
+ IP(src="10.0.0.101", dst="10.220.0.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg7, p * 1, self.pg0)
+
+ #
+ # ping from an external host to the remote external EP
+ #
+ p = (Ether(src=eep1.mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src="10.220.0.1", dst=rep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * 1, self.pg7)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg7.local_mac)
+ # self.assertEqual(rx[Ether].dst, self.pg7.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg7.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg7.remote_ip4)
+ self.assertEqual(rx[VXLAN].vni, 444)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # the sclass of the ext-net the packet came from
+ self.assertEqual(rx[VXLAN].gpid, 4220)
+ # policy was applied to the original IP packet
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ # since it's an external host the reciever should not learn it
+ self.assertTrue(rx[VXLAN].gpflags.D)
+ inner = rx[VXLAN].payload
+ self.assertEqual(inner[IP].src, "10.220.0.1")
+ self.assertEqual(inner[IP].dst, rep.ip4.address)
+
+ #
+ # An external subnet reachable via the remote external EP
+ #
+
+ #
+ # first the VXLAN-GBP tunnel over which it is reached
+ #
+ vx_tun_r1 = VppVxlanGbpTunnel(
+ self, self.pg7.local_ip4,
+ self.pg7.remote_ip4, 445,
+ mode=(VppEnum.vl_api_vxlan_gbp_api_tunnel_mode_t.
+ VXLAN_GBP_API_TUNNEL_MODE_L3))
+ vx_tun_r1.add_vpp_config()
+ VppIpInterfaceBind(self, vx_tun_r1, t4).add_vpp_config()
+
+ self.logger.info(self.vapi.cli("sh vxlan-gbp tunnel"))
+
+ #
+ # then the special adj to resolve through on that tunnel
+ #
+ n1 = VppNeighbor(self,
+ vx_tun_r1.sw_if_index,
+ "00:0c:0c:0c:0c:0c",
+ self.pg7.remote_ip4)
+ n1.add_vpp_config()
+
+ #
+ # the route via the adj above
+ #
+ ip_222 = VppIpRoute(self, "10.222.0.0", 24,
+ [VppRoutePath(self.pg7.remote_ip4,
+ vx_tun_r1.sw_if_index)],
+ table_id=t4.table_id)
+ ip_222.add_vpp_config()
+
+ l3o_222 = VppGbpSubnet(
+ self, rd1, "10.222.0.0", 24,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT,
+ sclass=4222)
+ l3o_222.add_vpp_config()
+
+ #
+ # ping between hosts in local and remote external subnets
+ # dropped without a contract
+ #
+ p = (Ether(src=eep1.mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src="10.220.0.1", dst="10.222.0.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_assert_no_replies(self.pg0, p * 1)
+
+ #
+ # Add contracts ext-nets for 220 -> 222
+ #
+ c4 = VppGbpContract(
+ self, 55, 4220, 4222, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c4.add_vpp_config()
+
+ #
+ # ping from host in local to remote external subnets
+ #
+ p = (Ether(src=eep1.mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src="10.220.0.1", dst="10.222.0.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * 3, self.pg7)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg7.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg7.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg7.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg7.remote_ip4)
+ self.assertEqual(rx[VXLAN].vni, 445)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # the sclass of the ext-net the packet came from
+ self.assertEqual(rx[VXLAN].gpid, 4220)
+ # policy was applied to the original IP packet
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ # since it's an external host the reciever should not learn it
+ self.assertTrue(rx[VXLAN].gpflags.D)
+ inner = rx[VXLAN].payload
+ self.assertEqual(inner[Ether].dst, "00:0c:0c:0c:0c:0c")
+ self.assertEqual(inner[IP].src, "10.220.0.1")
+ self.assertEqual(inner[IP].dst, "10.222.0.1")
+
+ #
+ # make the external subnet ECMP
+ #
+ vx_tun_r2 = VppVxlanGbpTunnel(
+ self, self.pg7.local_ip4,
+ self.pg7.remote_ip4, 446,
+ mode=(VppEnum.vl_api_vxlan_gbp_api_tunnel_mode_t.
+ VXLAN_GBP_API_TUNNEL_MODE_L3))
+ vx_tun_r2.add_vpp_config()
+ VppIpInterfaceBind(self, vx_tun_r2, t4).add_vpp_config()
+
+ self.logger.info(self.vapi.cli("sh vxlan-gbp tunnel"))
+
+ n2 = VppNeighbor(self,
+ vx_tun_r2.sw_if_index,
+ "00:0c:0c:0c:0c:0c",
+ self.pg7.remote_ip4)
+ n2.add_vpp_config()
+
+ ip_222.modify([VppRoutePath(self.pg7.remote_ip4,
+ vx_tun_r1.sw_if_index),
+ VppRoutePath(self.pg7.remote_ip4,
+ vx_tun_r2.sw_if_index)])
+
+ #
+ # now expect load-balance
+ #
+ p = [(Ether(src=eep1.mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src="10.220.0.1", dst="10.222.0.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(src=eep1.mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src="10.220.0.1", dst="10.222.0.1") /
+ UDP(sport=1222, dport=1235) /
+ Raw('\xa5' * 100))]
+
+ rxs = self.send_and_expect(self.pg0, p, self.pg7)
+
+ self.assertEqual(rxs[0][VXLAN].vni, 445)
+ self.assertEqual(rxs[1][VXLAN].vni, 446)
+
+ #
+ # Same LB test for v6
+ #
+ n3 = VppNeighbor(self,
+ vx_tun_r1.sw_if_index,
+ "00:0c:0c:0c:0c:0c",
+ self.pg7.remote_ip6)
+ n3.add_vpp_config()
+ n4 = VppNeighbor(self,
+ vx_tun_r2.sw_if_index,
+ "00:0c:0c:0c:0c:0c",
+ self.pg7.remote_ip6)
+ n4.add_vpp_config()
+
+ ip_222_6 = VppIpRoute(self, "10:222::", 64,
+ [VppRoutePath(self.pg7.remote_ip6,
+ vx_tun_r1.sw_if_index),
+ VppRoutePath(self.pg7.remote_ip6,
+ vx_tun_r2.sw_if_index)],
+ table_id=t6.table_id)
+ ip_222_6.add_vpp_config()
+
+ l3o_222_6 = VppGbpSubnet(
+ self, rd1, "10:222::", 64,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT,
+ sclass=4222)
+ l3o_222_6.add_vpp_config()
+
+ p = [(Ether(src=eep1.mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IPv6(src="10:220::1", dst="10:222::1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(src=eep1.mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IPv6(src="10:220::1", dst="10:222::1") /
+ UDP(sport=7777, dport=8881) /
+ Raw('\xa5' * 100))]
+
+ self.logger.info(self.vapi.cli("sh ip6 fib 10:222::1"))
+ rxs = self.send_and_expect(self.pg0, p, self.pg7)
+
+ self.assertEqual(rxs[0][VXLAN].vni, 445)
+ self.assertEqual(rxs[1][VXLAN].vni, 446)
+
+ #
+ # ping from host in remote to local external subnets
+ # there's no contract for this, but the A bit is set.
+ #
+ p = (Ether(src=self.pg7.remote_mac, dst=self.pg7.local_mac) /
+ IP(src=self.pg7.remote_ip4, dst=self.pg7.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=445, gpid=4222, flags=0x88, gpflags='A') /
+ Ether(src=self.pg0.remote_mac, dst=str(self.router_mac)) /
+ IP(src="10.222.0.1", dst="10.220.0.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg7, p * 3, self.pg0)
+ self.assertFalse(find_gbp_endpoint(self, ip="10.222.0.1"))
+
+ #
+ # ping from host in remote to remote external subnets
+ # this is dropped by reflection check.
+ #
+ p = (Ether(src=self.pg7.remote_mac, dst=self.pg7.local_mac) /
+ IP(src=self.pg7.remote_ip4, dst=self.pg7.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=445, gpid=4222, flags=0x88, gpflags='A') /
+ Ether(src=self.pg0.remote_mac, dst=str(self.router_mac)) /
+ IP(src="10.222.0.1", dst="10.222.0.2") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_assert_no_replies(self.pg7, p * 3)
+
+ p = (Ether(src=self.pg7.remote_mac, dst=self.pg7.local_mac) /
+ IP(src=self.pg7.remote_ip4, dst=self.pg7.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=445, gpid=4222, flags=0x88, gpflags='A') /
+ Ether(src=self.pg0.remote_mac, dst=str(self.router_mac)) /
+ IPv6(src="10:222::1", dst="10:222::2") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_assert_no_replies(self.pg7, p * 3)
+
+ #
+ # local EP
+ #
+ lep1 = VppGbpEndpoint(self, vlan_144,
+ epg_220, None,
+ "10.0.0.44", "11.0.0.44",
+ "2001:10::44", "3001::44")
+ lep1.add_vpp_config()
+
+ #
+ # local EP to local ip4 external subnet
+ #
+ p = (Ether(src=lep1.mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=144) /
+ IP(src=lep1.ip4.address, dst="10.220.0.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * 1, self.pg0)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, str(self.router_mac))
+ self.assertEqual(rx[Ether].dst, eep1.mac)
+ self.assertEqual(rx[Dot1Q].vlan, 100)
+
+ #
+ # local EP to local ip6 external subnet
+ #
+ p = (Ether(src=lep1.mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=144) /
+ IPv6(src=lep1.ip6.address, dst="10:220::1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * 1, self.pg0)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, str(self.router_mac))
+ self.assertEqual(rx[Ether].dst, eep1.mac)
+ self.assertEqual(rx[Dot1Q].vlan, 100)
+
+ #
+ # ip4 and ip6 subnets that load-balance
+ #
+ ip_20 = VppIpRoute(self, "10.20.0.0", 24,
+ [VppRoutePath(eep1.ip4.address,
+ eep1.epg.bvi.sw_if_index),
+ VppRoutePath(eep2.ip4.address,
+ eep2.epg.bvi.sw_if_index)],
+ table_id=t4.table_id)
+ ip_20.add_vpp_config()
+
+ l3o_20 = VppGbpSubnet(
+ self, rd1, "10.20.0.0", 24,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT,
+ sclass=4220)
+ l3o_20.add_vpp_config()
+
+ ip6_20 = VppIpRoute(self, "10:20::", 64,
+ [VppRoutePath(eep1.ip6.address,
+ eep1.epg.bvi.sw_if_index),
+ VppRoutePath(eep2.ip6.address,
+ eep2.epg.bvi.sw_if_index)],
+ table_id=t6.table_id)
+ ip6_20.add_vpp_config()
+
+ l3o6_20 = VppGbpSubnet(
+ self, rd1, "10:20::", 64,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT,
+ sclass=4220)
+ l3o6_20.add_vpp_config()
+
+ self.logger.info(self.vapi.cli("sh ip fib 10.20.0.1"))
+ self.logger.info(self.vapi.cli("sh ip6 fib 10:20::1"))
+
+ # two ip6 packets whose port are chosen so they load-balance
+ p = [(Ether(src=lep1.mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=144) /
+ IPv6(src=lep1.ip6.address, dst="10:20::1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(src=lep1.mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=144) /
+ IPv6(src=lep1.ip6.address, dst="10:20::1") /
+ UDP(sport=124, dport=1230) /
+ Raw('\xa5' * 100))]
+
+ rxs = self.send_and_expect(self.pg0, p, self.pg0, 2)
+
+ self.assertEqual(rxs[0][Dot1Q].vlan, 101)
+ self.assertEqual(rxs[1][Dot1Q].vlan, 100)
+
+ # two ip4 packets whose port are chosen so they load-balance
+ p = [(Ether(src=lep1.mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=144) /
+ IP(src=lep1.ip4.address, dst="10.20.0.1") /
+ UDP(sport=1235, dport=1235) /
+ Raw('\xa5' * 100)),
+ (Ether(src=lep1.mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=144) /
+ IP(src=lep1.ip4.address, dst="10.20.0.1") /
+ UDP(sport=124, dport=1230) /
+ Raw('\xa5' * 100))]
+
+ rxs = self.send_and_expect(self.pg0, p, self.pg0, 2)
+
+ self.assertEqual(rxs[0][Dot1Q].vlan, 101)
+ self.assertEqual(rxs[1][Dot1Q].vlan, 100)
+
+ #
+ # cleanup
+ #
+ ip_222.remove_vpp_config()
+ self.pg7.unconfig_ip4()
+ self.vlan_101.set_vtr(L2_VTR_OP.L2_DISABLED)
+ self.vlan_100.set_vtr(L2_VTR_OP.L2_DISABLED)
+
+ def test_gbp_anon_l3_out(self):
+ """ GBP Anonymous L3 Out """
+
+ ep_flags = VppEnum.vl_api_gbp_endpoint_flags_t
+ self.vapi.cli("set logging class gbp level debug")
+
+ routed_dst_mac = "00:0c:0c:0c:0c:0c"
+ routed_src_mac = "00:22:bd:f8:19:ff"
+
+ #
+ # IP tables
+ #
+ t4 = VppIpTable(self, 1)
+ t4.add_vpp_config()
+ t6 = VppIpTable(self, 1, True)
+ t6.add_vpp_config()
+
+ rd1 = VppGbpRouteDomain(self, 2, 55, t4, t6)
+ rd1.add_vpp_config()
+
+ self.loop0.set_mac(self.router_mac)
+
+ #
+ # Bind the BVI to the RD
+ #
+ VppIpInterfaceBind(self, self.loop0, t4).add_vpp_config()
+ VppIpInterfaceBind(self, self.loop0, t6).add_vpp_config()
+
+ #
+ # Pg7 hosts a BD's BUM
+ # Pg1 some other l3 interface
+ #
+ self.pg7.config_ip4()
+ self.pg7.resolve_arp()
+
+ #
+ # a GBP external bridge domains for the EPs
+ #
+ bd1 = VppBridgeDomain(self, 1)
+ bd1.add_vpp_config()
+ gbd1 = VppGbpBridgeDomain(self, bd1, rd1, self.loop0, None, None)
+ gbd1.add_vpp_config()
+
+ #
+ # The Endpoint-groups in which the external endpoints exist
+ #
+ epg_220 = VppGbpEndpointGroup(self, 220, 113, rd1, gbd1,
+ None, gbd1.bvi,
+ "10.0.0.128",
+ "2001:10::128",
+ VppGbpEndpointRetention(2))
+ epg_220.add_vpp_config()
+
+ # the BVIs have the subnet applied ...
+ ip4_addr = VppIpInterfaceAddress(self, gbd1.bvi, "10.0.0.128", 24)
+ ip4_addr.add_vpp_config()
+
+ # ... which is an Anonymous L3-out subnets
+ l3o_1 = VppGbpSubnet(
+ self, rd1, "10.0.0.0", 24,
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_ANON_L3_OUT,
+ sclass=113)
+ l3o_1.add_vpp_config()
+
+ #
+ # an external interface attached to the outside world and the
+ # external BD
+ #
+ VppL2Vtr(self, self.vlan_100, L2_VTR_OP.L2_POP_1).add_vpp_config()
+ VppL2Vtr(self, self.vlan_101, L2_VTR_OP.L2_POP_1).add_vpp_config()
+
+ #
+ # vlan_100 and vlan_101 are anonymous l3-out interfaces
+ #
+ ext_itf = VppGbpExtItf(self, self.vlan_100, bd1, rd1, anon=True)
+ ext_itf.add_vpp_config()
+ ext_itf = VppGbpExtItf(self, self.vlan_101, bd1, rd1, anon=True)
+ ext_itf.add_vpp_config()
+
+ #
+ # an unicast vxlan-gbp for inter-RD traffic
+ #
+ vx_tun_l3 = VppGbpVxlanTunnel(
+ self, 444, rd1.rd_id,
+ VppEnum.vl_api_gbp_vxlan_tunnel_mode_t.GBP_VXLAN_TUNNEL_MODE_L3,
+ self.pg2.local_ip4)
+ vx_tun_l3.add_vpp_config()
+
+ #
+ # A remote external endpoint
+ #
+ rep = VppGbpEndpoint(self, vx_tun_l3,
+ epg_220, None,
+ "10.0.0.201", "11.0.0.201",
+ "2001:10::201", "3001::101",
+ ep_flags.GBP_API_ENDPOINT_FLAG_REMOTE,
+ self.pg7.local_ip4,
+ self.pg7.remote_ip4,
+ mac=None)
+ rep.add_vpp_config()
+
+ #
+ # ARP packet from host in external subnet are accepted, flooded and
+ # replied to. We expect 2 packets:
+ # - APR request flooded over the other vlan subif
+ # - ARP reply from BVI
+ #
+ p_arp = (Ether(src=self.vlan_100.remote_mac,
+ dst="ff:ff:ff:ff:ff:ff") /
+ Dot1Q(vlan=100) /
+ ARP(op="who-has",
+ psrc="10.0.0.100",
+ pdst="10.0.0.128",
+ hwsrc=self.vlan_100.remote_mac,
+ hwdst="ff:ff:ff:ff:ff:ff"))
+ rxs = self.send_and_expect(self.pg0, p_arp * 1, self.pg0, n_rx=2)
+
+ p_arp = (Ether(src=self.vlan_101.remote_mac,
+ dst="ff:ff:ff:ff:ff:ff") /
+ Dot1Q(vlan=101) /
+ ARP(op="who-has",
+ psrc='10.0.0.101',
+ pdst="10.0.0.128",
+ hwsrc=self.vlan_101.remote_mac,
+ hwdst="ff:ff:ff:ff:ff:ff"))
+ rxs = self.send_and_expect(self.pg0, p_arp * 1, self.pg0, n_rx=2)
+
+ #
+ # remote to external
+ #
+ p = (Ether(src=self.pg7.remote_mac,
+ dst=self.pg7.local_mac) /
+ IP(src=self.pg7.remote_ip4,
+ dst=self.pg7.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=vx_tun_l3.vni, gpid=epg_220.sclass, flags=0x88) /
+ Ether(src=self.pg0.remote_mac, dst=str(self.router_mac)) /
+ IP(src=str(rep.ip4), dst="10.0.0.100") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ rxs = self.send_and_expect(self.pg7, p * 1, self.pg0)
+
+ #
+ # local EP pings router
+ #
+ p = (Ether(src=self.vlan_100.remote_mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src="10.0.0.100", dst="10.0.0.128") /
+ ICMP(type='echo-request'))
+ rxs = self.send_and_expect(self.pg0, p * 1, self.pg0)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, str(self.router_mac))
+ self.assertEqual(rx[Ether].dst, self.vlan_100.remote_mac)
+ self.assertEqual(rx[Dot1Q].vlan, 100)
+
+ #
+ # local EP pings other local EP
+ #
+ p = (Ether(src=self.vlan_100.remote_mac,
+ dst=self.vlan_101.remote_mac) /
+ Dot1Q(vlan=100) /
+ IP(src="10.0.0.100", dst="10.0.0.101") /
+ ICMP(type='echo-request'))
+ rxs = self.send_and_expect(self.pg0, p * 1, self.pg0)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.vlan_100.remote_mac)
+ self.assertEqual(rx[Ether].dst, self.vlan_101.remote_mac)
+ self.assertEqual(rx[Dot1Q].vlan, 101)
+
+ #
+ # A subnet reachable through an external router on vlan 100
+ #
+ ip_220 = VppIpRoute(self, "10.220.0.0", 24,
+ [VppRoutePath("10.0.0.100",
+ epg_220.bvi.sw_if_index)],
+ table_id=t4.table_id)
+ ip_220.add_vpp_config()
+
+ l3o_220 = VppGbpSubnet(
+ self, rd1, "10.220.0.0", 24,
+ # note: this a "regular" L3 out subnet (not connected)
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT,
+ sclass=4220)
+ l3o_220.add_vpp_config()
+
+ #
+ # A subnet reachable through an external router on vlan 101
+ #
+ ip_221 = VppIpRoute(self, "10.221.0.0", 24,
+ [VppRoutePath("10.0.0.101",
+ epg_220.bvi.sw_if_index)],
+ table_id=t4.table_id)
+ ip_221.add_vpp_config()
+
+ l3o_221 = VppGbpSubnet(
+ self, rd1, "10.221.0.0", 24,
+ # note: this a "regular" L3 out subnet (not connected)
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT,
+ sclass=4221)
+ l3o_221.add_vpp_config()
+
+ #
+ # ping between hosts in remote subnets
+ # dropped without a contract
+ #
+ p = (Ether(src=self.vlan_100.remote_mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src="10.220.0.1", dst="10.221.0.1") /
+ ICMP(type='echo-request'))
+
+ rxs = self.send_and_assert_no_replies(self.pg0, p * 1)
+
+ #
+ # contract for the external nets to communicate
+ #
+ acl = VppGbpAcl(self)
+ rule4 = acl.create_rule(permit_deny=1, proto=17)
+ rule6 = acl.create_rule(is_ipv6=1, permit_deny=1, proto=17)
+ acl_index = acl.add_vpp_config([rule4, rule6])
+
+ c1 = VppGbpContract(
+ self, 55, 4220, 4221, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c1.add_vpp_config()
+
+ #
+ # Contracts allowing ext-net 200 to talk with external EPs
+ #
+ c2 = VppGbpContract(
+ self, 55, 4220, 113, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c2.add_vpp_config()
+ c3 = VppGbpContract(
+ self, 55, 113, 4220, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c3.add_vpp_config()
+
+ #
+ # ping between hosts in remote subnets
+ #
+ p = (Ether(src=self.vlan_100.remote_mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src="10.220.0.1", dst="10.221.0.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * 1, self.pg0)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, str(self.router_mac))
+ self.assertEqual(rx[Ether].dst, self.vlan_101.remote_mac)
+ self.assertEqual(rx[Dot1Q].vlan, 101)
+
+ # we did not learn these external hosts
+ self.assertFalse(find_gbp_endpoint(self, ip="10.220.0.1"))
+ self.assertFalse(find_gbp_endpoint(self, ip="10.221.0.1"))
+
+ #
+ # from remote external EP to local external EP
+ #
+ p = (Ether(src=self.pg7.remote_mac,
+ dst=self.pg7.local_mac) /
+ IP(src=self.pg7.remote_ip4,
+ dst=self.pg7.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=444, gpid=113, flags=0x88) /
+ Ether(src=self.pg0.remote_mac, dst=str(self.router_mac)) /
+ IP(src=rep.ip4.address, dst="10.220.0.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg7, p * 1, self.pg0)
+
+ #
+ # ping from an external host to the remote external EP
+ #
+ p = (Ether(src=self.vlan_100.remote_mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src="10.220.0.1", dst=rep.ip4.address) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * 1, self.pg7)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg7.local_mac)
+ # self.assertEqual(rx[Ether].dst, self.pg7.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg7.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg7.remote_ip4)
+ self.assertEqual(rx[VXLAN].vni, 444)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # the sclass of the ext-net the packet came from
+ self.assertEqual(rx[VXLAN].gpid, 4220)
+ # policy was applied to the original IP packet
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ # since it's an external host the reciever should not learn it
+ self.assertTrue(rx[VXLAN].gpflags.D)
+ inner = rx[VXLAN].payload
+ self.assertEqual(inner[IP].src, "10.220.0.1")
+ self.assertEqual(inner[IP].dst, rep.ip4.address)
+
+ #
+ # An external subnet reachable via the remote external EP
+ #
+
+ #
+ # first the VXLAN-GBP tunnel over which it is reached
+ #
+ vx_tun_r = VppVxlanGbpTunnel(
+ self, self.pg7.local_ip4,
+ self.pg7.remote_ip4, 445,
+ mode=(VppEnum.vl_api_vxlan_gbp_api_tunnel_mode_t.
+ VXLAN_GBP_API_TUNNEL_MODE_L3))
+ vx_tun_r.add_vpp_config()
+ VppIpInterfaceBind(self, vx_tun_r, t4).add_vpp_config()
+
+ self.logger.info(self.vapi.cli("sh vxlan-gbp tunnel"))
+
+ #
+ # then the special adj to resolve through on that tunnel
+ #
+ n1 = VppNeighbor(self,
+ vx_tun_r.sw_if_index,
+ "00:0c:0c:0c:0c:0c",
+ self.pg7.remote_ip4)
+ n1.add_vpp_config()
+
+ #
+ # the route via the adj above
+ #
+ ip_222 = VppIpRoute(self, "10.222.0.0", 24,
+ [VppRoutePath(self.pg7.remote_ip4,
+ vx_tun_r.sw_if_index)],
+ table_id=t4.table_id)
+ ip_222.add_vpp_config()
+
+ l3o_222 = VppGbpSubnet(
+ self, rd1, "10.222.0.0", 24,
+ # note: this a "regular" l3out subnet (not connected)
+ VppEnum.vl_api_gbp_subnet_type_t.GBP_API_SUBNET_L3_OUT,
+ sclass=4222)
+ l3o_222.add_vpp_config()
+
+ #
+ # ping between hosts in local and remote external subnets
+ # dropped without a contract
+ #
+ p = (Ether(src=self.vlan_100.remote_mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src="10.220.0.1", dst="10.222.0.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_assert_no_replies(self.pg0, p * 1)
+
+ #
+ # Add contracts ext-nets for 220 -> 222
+ #
+ c4 = VppGbpContract(
+ self, 55, 4220, 4222, acl_index,
+ [VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ []),
+ VppGbpContractRule(
+ VppEnum.vl_api_gbp_rule_action_t.GBP_API_RULE_PERMIT,
+ VppEnum.vl_api_gbp_hash_mode_t.GBP_API_HASH_MODE_SRC_IP,
+ [])],
+ [ETH_P_IP, ETH_P_IPV6])
+ c4.add_vpp_config()
+
+ #
+ # ping from host in local to remote external subnets
+ #
+ p = (Ether(src=self.vlan_100.remote_mac, dst=str(self.router_mac)) /
+ Dot1Q(vlan=100) /
+ IP(src="10.220.0.1", dst="10.222.0.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg0, p * 3, self.pg7)
+
+ for rx in rxs:
+ self.assertEqual(rx[Ether].src, self.pg7.local_mac)
+ self.assertEqual(rx[Ether].dst, self.pg7.remote_mac)
+ self.assertEqual(rx[IP].src, self.pg7.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg7.remote_ip4)
+ self.assertEqual(rx[VXLAN].vni, 445)
+ self.assertTrue(rx[VXLAN].flags.G)
+ self.assertTrue(rx[VXLAN].flags.Instance)
+ # the sclass of the ext-net the packet came from
+ self.assertEqual(rx[VXLAN].gpid, 4220)
+ # policy was applied to the original IP packet
+ self.assertTrue(rx[VXLAN].gpflags.A)
+ # since it's an external host the reciever should not learn it
+ self.assertTrue(rx[VXLAN].gpflags.D)
+ inner = rx[VXLAN].payload
+ self.assertEqual(inner[Ether].dst, "00:0c:0c:0c:0c:0c")
+ self.assertEqual(inner[IP].src, "10.220.0.1")
+ self.assertEqual(inner[IP].dst, "10.222.0.1")
+
+ #
+ # ping from host in remote to local external subnets
+ # there's no contract for this, but the A bit is set.
+ #
+ p = (Ether(src=self.pg7.remote_mac, dst=self.pg7.local_mac) /
+ IP(src=self.pg7.remote_ip4, dst=self.pg7.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=445, gpid=4222, flags=0x88, gpflags='A') /
+ Ether(src=self.pg0.remote_mac, dst=str(self.router_mac)) /
+ IP(src="10.222.0.1", dst="10.220.0.1") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_expect(self.pg7, p * 3, self.pg0)
+ self.assertFalse(find_gbp_endpoint(self, ip="10.222.0.1"))
+
+ #
+ # ping from host in remote to remote external subnets
+ # this is dropped by reflection check.
+ #
+ p = (Ether(src=self.pg7.remote_mac, dst=self.pg7.local_mac) /
+ IP(src=self.pg7.remote_ip4, dst=self.pg7.local_ip4) /
+ UDP(sport=1234, dport=48879) /
+ VXLAN(vni=445, gpid=4222, flags=0x88, gpflags='A') /
+ Ether(src=self.pg0.remote_mac, dst=str(self.router_mac)) /
+ IP(src="10.222.0.1", dst="10.222.0.2") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ rxs = self.send_and_assert_no_replies(self.pg7, p * 3)
+
+ #
+ # cleanup
+ #
+ self.vlan_101.set_vtr(L2_VTR_OP.L2_DISABLED)
+ self.vlan_100.set_vtr(L2_VTR_OP.L2_DISABLED)
+ self.pg7.unconfig_ip4()
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/src/plugins/gtpu/test/test_gtpu.py b/src/plugins/gtpu/test/test_gtpu.py
new file mode 100644
index 00000000000..957181a71e4
--- /dev/null
+++ b/src/plugins/gtpu/test/test_gtpu.py
@@ -0,0 +1,393 @@
+#!/usr/bin/env python
+
+import socket
+from util import ip4n_range, ip4_range
+import unittest
+from framework import VppTestCase, VppTestRunner
+from template_bd import BridgeDomain
+
+from scapy.layers.l2 import Ether, Raw
+from scapy.layers.inet import IP, UDP
+from scapy.layers.inet6 import IPv6
+from scapy.contrib.gtp import GTP_U_Header
+from scapy.utils import atol
+from vpp_ip_route import VppIpRoute, VppRoutePath
+from vpp_ip import INVALID_INDEX
+
+
+class TestGtpuUDP(VppTestCase):
+ """ GTPU UDP ports Test Case """
+
+ def setUp(self):
+ super(TestGtpuUDP, self).setUp()
+
+ self.dport = 2152
+
+ self.ip4_err = 0
+ self.ip6_err = 0
+
+ self.create_pg_interfaces(range(1))
+ for pg in self.pg_interfaces:
+ pg.admin_up()
+ self.pg0.config_ip4()
+ self.pg0.config_ip6()
+
+ def _check_udp_port_ip4(self, enabled=True):
+
+ pkt = (Ether(src=self.pg0.local_mac, dst=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) /
+ UDP(sport=self.dport, dport=self.dport, chksum=0))
+
+ self.pg0.add_stream(pkt)
+ self.pg_start()
+
+ err = self.statistics.get_counter(
+ '/err/ip4-udp-lookup/no listener for dst port')[0]
+
+ if enabled:
+ self.assertEqual(err, self.ip4_err)
+ else:
+ self.assertEqual(err, self.ip4_err + 1)
+
+ self.ip4_err = err
+
+ def _check_udp_port_ip6(self, enabled=True):
+
+ pkt = (Ether(src=self.pg0.local_mac, dst=self.pg0.remote_mac) /
+ IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6) /
+ UDP(sport=self.dport, dport=self.dport, chksum=0))
+
+ self.pg0.add_stream(pkt)
+ self.pg_start()
+
+ err = self.statistics.get_counter(
+ '/err/ip6-udp-lookup/no listener for dst port')[0]
+
+ if enabled:
+ self.assertEqual(err, self.ip6_err)
+ else:
+ self.assertEqual(err, self.ip6_err + 1)
+
+ self.ip6_err = err
+
+ def test_udp_port(self):
+ """ test UDP ports
+ Check if there are no udp listeners before gtpu is enabled
+ """
+
+ # UDP ports should be disabled unless a tunnel is configured
+ self._check_udp_port_ip4(False)
+ self._check_udp_port_ip6(False)
+
+ r = self.vapi.gtpu_add_del_tunnel(src_addr=self.pg0.local_ip4n,
+ dst_addr=self.pg0.remote_ip4n)
+
+ # UDP port 2152 enabled for ip4
+ self._check_udp_port_ip4()
+
+ r = self.vapi.gtpu_add_del_tunnel(is_ipv6=1,
+ src_addr=self.pg0.local_ip6n,
+ dst_addr=self.pg0.remote_ip6n)
+
+ # UDP port 2152 enabled for ip6
+ self._check_udp_port_ip6()
+
+ r = self.vapi.gtpu_add_del_tunnel(is_add=0,
+ src_addr=self.pg0.local_ip4n,
+ dst_addr=self.pg0.remote_ip4n)
+
+ r = self.vapi.gtpu_add_del_tunnel(is_add=0, is_ipv6=1,
+ src_addr=self.pg0.local_ip6n,
+ dst_addr=self.pg0.remote_ip6n)
+
+
+class TestGtpu(BridgeDomain, VppTestCase):
+ """ GTPU Test Case """
+
+ def __init__(self, *args):
+ BridgeDomain.__init__(self)
+ VppTestCase.__init__(self, *args)
+
+ def encapsulate(self, pkt, vni):
+ """
+ Encapsulate the original payload frame by adding GTPU header with its
+ UDP, IP and Ethernet fields
+ """
+ return (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) /
+ UDP(sport=self.dport, dport=self.dport, chksum=0) /
+ GTP_U_Header(teid=vni, gtp_type=self.gtp_type, length=150) /
+ pkt)
+
+ def ip_range(self, start, end):
+ """ range of remote ip's """
+ return ip4_range(self.pg0.remote_ip4, start, end)
+
+ def encap_mcast(self, pkt, src_ip, src_mac, vni):
+ """
+ Encapsulate the original payload frame by adding GTPU header with its
+ UDP, IP and Ethernet fields
+ """
+ return (Ether(src=src_mac, dst=self.mcast_mac) /
+ IP(src=src_ip, dst=self.mcast_ip4) /
+ UDP(sport=self.dport, dport=self.dport, chksum=0) /
+ GTP_U_Header(teid=vni, gtp_type=self.gtp_type, length=150) /
+ pkt)
+
+ def decapsulate(self, pkt):
+ """
+ Decapsulate the original payload frame by removing GTPU header
+ """
+ return pkt[GTP_U_Header].payload
+
+ # Method for checking GTPU encapsulation.
+ #
+ def check_encapsulation(self, pkt, vni, local_only=False, mcast_pkt=False):
+ # Verify source MAC is VPP_MAC and destination MAC is MY_MAC resolved
+ # by VPP using ARP.
+ self.assertEqual(pkt[Ether].src, self.pg0.local_mac)
+ if not local_only:
+ if not mcast_pkt:
+ self.assertEqual(pkt[Ether].dst, self.pg0.remote_mac)
+ else:
+ self.assertEqual(pkt[Ether].dst, type(self).mcast_mac)
+ # Verify GTPU tunnel source IP is VPP_IP and destination IP is MY_IP.
+ self.assertEqual(pkt[IP].src, self.pg0.local_ip4)
+ if not local_only:
+ if not mcast_pkt:
+ self.assertEqual(pkt[IP].dst, self.pg0.remote_ip4)
+ else:
+ self.assertEqual(pkt[IP].dst, type(self).mcast_ip4)
+ # Verify UDP destination port is GTPU 2152, source UDP port could be
+ # arbitrary.
+ self.assertEqual(pkt[UDP].dport, type(self).dport)
+ # Verify teid
+ self.assertEqual(pkt[GTP_U_Header].teid, vni)
+
+ def test_encap(self):
+ """ Encapsulation test
+ Send frames from pg1
+ Verify receipt of encapsulated frames on pg0
+ """
+ self.pg1.add_stream([self.frame_reply])
+
+ self.pg0.enable_capture()
+
+ self.pg_start()
+
+ # Pick first received frame and check if it's correctly encapsulated.
+ out = self.pg0.get_capture(1)
+ pkt = out[0]
+ self.check_encapsulation(pkt, self.single_tunnel_bd)
+
+ # payload = self.decapsulate(pkt)
+ # self.assert_eq_pkts(payload, self.frame_reply)
+
+ def test_ucast_flood(self):
+ """ Unicast flood test
+ Send frames from pg3
+ Verify receipt of encapsulated frames on pg0
+ """
+ self.pg3.add_stream([self.frame_reply])
+
+ self.pg0.enable_capture()
+
+ self.pg_start()
+
+ # Get packet from each tunnel and assert it's correctly encapsulated.
+ out = self.pg0.get_capture(self.n_ucast_tunnels)
+ for pkt in out:
+ self.check_encapsulation(pkt, self.ucast_flood_bd, True)
+ # payload = self.decapsulate(pkt)
+ # self.assert_eq_pkts(payload, self.frame_reply)
+
+ def test_mcast_flood(self):
+ """ Multicast flood test
+ Send frames from pg2
+ Verify receipt of encapsulated frames on pg0
+ """
+ self.pg2.add_stream([self.frame_reply])
+
+ self.pg0.enable_capture()
+
+ self.pg_start()
+
+ # Pick first received frame and check if it's correctly encapsulated.
+ out = self.pg0.get_capture(1)
+ pkt = out[0]
+ self.check_encapsulation(pkt, self.mcast_flood_bd,
+ local_only=False, mcast_pkt=True)
+
+ # payload = self.decapsulate(pkt)
+ # self.assert_eq_pkts(payload, self.frame_reply)
+
+ @classmethod
+ def create_gtpu_flood_test_bd(cls, teid, n_ucast_tunnels):
+ # Create 10 ucast gtpu tunnels under bd
+ ip_range_start = 10
+ ip_range_end = ip_range_start + n_ucast_tunnels
+ next_hop_address = cls.pg0.remote_ip4
+ for dest_ip4 in ip4_range(next_hop_address, ip_range_start,
+ ip_range_end):
+ # add host route so dest_ip4n will not be resolved
+ rip = VppIpRoute(cls, dest_ip4, 32,
+ [VppRoutePath(next_hop_address,
+ INVALID_INDEX)],
+ register=False)
+ rip.add_vpp_config()
+ dest_ip4n = socket.inet_pton(socket.AF_INET, dest_ip4)
+ r = cls.vapi.gtpu_add_del_tunnel(
+ src_addr=cls.pg0.local_ip4n,
+ dst_addr=dest_ip4n,
+ teid=teid)
+ cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index,
+ bd_id=teid)
+
+ @classmethod
+ def add_del_shared_mcast_dst_load(cls, is_add):
+ """
+ add or del tunnels sharing the same mcast dst
+ to test gtpu ref_count mechanism
+ """
+ n_shared_dst_tunnels = 20
+ teid_start = 1000
+ teid_end = teid_start + n_shared_dst_tunnels
+ for teid in range(teid_start, teid_end):
+ r = cls.vapi.gtpu_add_del_tunnel(
+ src_addr=cls.pg0.local_ip4n,
+ dst_addr=cls.mcast_ip4n,
+ mcast_sw_if_index=1,
+ teid=teid,
+ is_add=is_add)
+ if r.sw_if_index == 0xffffffff:
+ raise ValueError("bad sw_if_index: ~0")
+
+ @classmethod
+ def add_shared_mcast_dst_load(cls):
+ cls.add_del_shared_mcast_dst_load(is_add=1)
+
+ @classmethod
+ def del_shared_mcast_dst_load(cls):
+ cls.add_del_shared_mcast_dst_load(is_add=0)
+
+ @classmethod
+ def add_del_mcast_tunnels_load(cls, is_add):
+ """
+ add or del tunnels to test gtpu stability
+ """
+ n_distinct_dst_tunnels = 20
+ ip_range_start = 10
+ ip_range_end = ip_range_start + n_distinct_dst_tunnels
+ for dest_ip4n in ip4n_range(cls.mcast_ip4n, ip_range_start,
+ ip_range_end):
+ teid = bytearray(dest_ip4n)[3]
+ cls.vapi.gtpu_add_del_tunnel(
+ src_addr=cls.pg0.local_ip4n,
+ dst_addr=dest_ip4n,
+ mcast_sw_if_index=1,
+ teid=teid,
+ is_add=is_add)
+
+ @classmethod
+ def add_mcast_tunnels_load(cls):
+ cls.add_del_mcast_tunnels_load(is_add=1)
+
+ @classmethod
+ def del_mcast_tunnels_load(cls):
+ cls.add_del_mcast_tunnels_load(is_add=0)
+
+ # Class method to start the GTPU test case.
+ # Overrides setUpClass method in VppTestCase class.
+ # Python try..except statement is used to ensure that the tear down of
+ # the class will be executed even if exception is raised.
+ # @param cls The class pointer.
+ @classmethod
+ def setUpClass(cls):
+ super(TestGtpu, cls).setUpClass()
+
+ try:
+ cls.dport = 2152
+ cls.gtp_type = 0xff
+
+ # Create 2 pg interfaces.
+ cls.create_pg_interfaces(range(4))
+ for pg in cls.pg_interfaces:
+ pg.admin_up()
+
+ # Configure IPv4 addresses on VPP pg0.
+ cls.pg0.config_ip4()
+
+ # Resolve MAC address for VPP's IP address on pg0.
+ cls.pg0.resolve_arp()
+
+ # Our Multicast address
+ cls.mcast_ip4 = '239.1.1.1'
+ cls.mcast_ip4n = socket.inet_pton(socket.AF_INET, cls.mcast_ip4)
+ iplong = atol(cls.mcast_ip4)
+ cls.mcast_mac = "01:00:5e:%02x:%02x:%02x" % (
+ (iplong >> 16) & 0x7F, (iplong >> 8) & 0xFF, iplong & 0xFF)
+
+ # Create GTPU VTEP on VPP pg0, and put gtpu_tunnel0 and pg1
+ # into BD.
+ cls.single_tunnel_bd = 11
+ r = cls.vapi.gtpu_add_del_tunnel(
+ src_addr=cls.pg0.local_ip4n,
+ dst_addr=cls.pg0.remote_ip4n,
+ teid=cls.single_tunnel_bd)
+ cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index,
+ bd_id=cls.single_tunnel_bd)
+ cls.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=cls.pg1.sw_if_index, bd_id=cls.single_tunnel_bd)
+
+ # Setup teid 2 to test multicast flooding
+ cls.n_ucast_tunnels = 10
+ cls.mcast_flood_bd = 12
+ cls.create_gtpu_flood_test_bd(cls.mcast_flood_bd,
+ cls.n_ucast_tunnels)
+ r = cls.vapi.gtpu_add_del_tunnel(
+ src_addr=cls.pg0.local_ip4n,
+ dst_addr=cls.mcast_ip4n,
+ mcast_sw_if_index=1,
+ teid=cls.mcast_flood_bd)
+ cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index,
+ bd_id=cls.mcast_flood_bd)
+ cls.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=cls.pg2.sw_if_index, bd_id=cls.mcast_flood_bd)
+
+ # Add and delete mcast tunnels to check stability
+ cls.add_shared_mcast_dst_load()
+ cls.add_mcast_tunnels_load()
+ cls.del_shared_mcast_dst_load()
+ cls.del_mcast_tunnels_load()
+
+ # Setup teid 3 to test unicast flooding
+ cls.ucast_flood_bd = 13
+ cls.create_gtpu_flood_test_bd(cls.ucast_flood_bd,
+ cls.n_ucast_tunnels)
+ cls.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=cls.pg3.sw_if_index, bd_id=cls.ucast_flood_bd)
+ except Exception:
+ super(TestGtpu, cls).tearDownClass()
+ raise
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestGtpu, cls).tearDownClass()
+
+ # Method to define VPP actions before tear down of the test case.
+ # Overrides tearDown method in VppTestCase class.
+ # @param self The object pointer.
+ def tearDown(self):
+ super(TestGtpu, self).tearDown()
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.cli("show bridge-domain 11 detail"))
+ self.logger.info(self.vapi.cli("show bridge-domain 12 detail"))
+ self.logger.info(self.vapi.cli("show bridge-domain 13 detail"))
+ self.logger.info(self.vapi.cli("show int"))
+ self.logger.info(self.vapi.cli("show gtpu tunnel"))
+ self.logger.info(self.vapi.cli("show trace"))
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/src/plugins/igmp/test/test_igmp.py b/src/plugins/igmp/test/test_igmp.py
new file mode 100644
index 00000000000..f1c49acba4c
--- /dev/null
+++ b/src/plugins/igmp/test/test_igmp.py
@@ -0,0 +1,834 @@
+#!/usr/bin/env python
+
+import unittest
+
+from scapy.layers.l2 import Ether, Raw
+from scapy.layers.inet import IP, IPOption
+from scapy.contrib.igmpv3 import IGMPv3, IGMPv3gr, IGMPv3mq, IGMPv3mr
+
+from framework import VppTestCase, VppTestRunner, running_extended_tests
+from vpp_igmp import find_igmp_state, IGMP_FILTER, IgmpRecord, IGMP_MODE, \
+ IgmpSG, VppHostState, wait_for_igmp_event
+from vpp_ip_route import find_mroute, VppIpTable
+
+
+class IgmpMode:
+ HOST = 1
+ ROUTER = 0
+
+
+class TestIgmp(VppTestCase):
+ """ IGMP Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestIgmp, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIgmp, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestIgmp, self).setUp()
+
+ self.create_pg_interfaces(range(4))
+ self.sg_list = []
+ self.config_list = []
+
+ self.ip_addr = []
+ self.ip_table = VppIpTable(self, 1)
+ self.ip_table.add_vpp_config()
+
+ for pg in self.pg_interfaces[2:]:
+ pg.set_table_ip4(1)
+ for pg in self.pg_interfaces:
+ pg.admin_up()
+ pg.config_ip4()
+ pg.resolve_arp()
+
+ def tearDown(self):
+ for pg in self.pg_interfaces:
+ self.vapi.igmp_clear_interface(pg.sw_if_index)
+ pg.unconfig_ip4()
+ pg.set_table_ip4(0)
+ pg.admin_down()
+ super(TestIgmp, self).tearDown()
+
+ def send(self, ti, pkts):
+ ti.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ def test_igmp_flush(self):
+ """ IGMP Link Up/down and Flush """
+
+ #
+ # FIX THIS. Link down.
+ #
+
+ def test_igmp_enable(self):
+ """ IGMP enable/disable on an interface
+
+ check for the addition/removal of the IGMP mroutes """
+
+ self.vapi.igmp_enable_disable(self.pg0.sw_if_index, 1, IGMP_MODE.HOST)
+ self.vapi.igmp_enable_disable(self.pg1.sw_if_index, 1, IGMP_MODE.HOST)
+
+ self.assertTrue(find_mroute(self, "224.0.0.1", "0.0.0.0", 32))
+ self.assertTrue(find_mroute(self, "224.0.0.22", "0.0.0.0", 32))
+
+ self.vapi.igmp_enable_disable(self.pg2.sw_if_index, 1, IGMP_MODE.HOST)
+ self.vapi.igmp_enable_disable(self.pg3.sw_if_index, 1, IGMP_MODE.HOST)
+
+ self.assertTrue(find_mroute(self, "224.0.0.1", "0.0.0.0", 32,
+ table_id=1))
+ self.assertTrue(find_mroute(self, "224.0.0.22", "0.0.0.0", 32,
+ table_id=1))
+ self.vapi.igmp_enable_disable(self.pg0.sw_if_index, 0, IGMP_MODE.HOST)
+ self.vapi.igmp_enable_disable(self.pg1.sw_if_index, 0, IGMP_MODE.HOST)
+ self.vapi.igmp_enable_disable(self.pg2.sw_if_index, 0, IGMP_MODE.HOST)
+ self.vapi.igmp_enable_disable(self.pg3.sw_if_index, 0, IGMP_MODE.HOST)
+
+ self.assertFalse(find_mroute(self, "224.0.0.1", "0.0.0.0", 32))
+ self.assertFalse(find_mroute(self, "224.0.0.22", "0.0.0.0", 32))
+ self.assertFalse(find_mroute(self, "224.0.0.1", "0.0.0.0", 32,
+ table_id=1))
+ self.assertFalse(find_mroute(self, "224.0.0.22", "0.0.0.0", 32,
+ table_id=1))
+
+ def verify_general_query(self, p):
+ ip = p[IP]
+ self.assertEqual(len(ip.options), 1)
+ self.assertEqual(ip.options[0].option, 20)
+ self.assertEqual(ip.dst, "224.0.0.1")
+ self.assertEqual(ip.proto, 2)
+ igmp = p[IGMPv3]
+ self.assertEqual(igmp.type, 0x11)
+ self.assertEqual(igmp.gaddr, "0.0.0.0")
+
+ def verify_group_query(self, p, grp, srcs):
+ ip = p[IP]
+ self.assertEqual(ip.dst, grp)
+ self.assertEqual(ip.proto, 2)
+ self.assertEqual(len(ip.options), 1)
+ self.assertEqual(ip.options[0].option, 20)
+ self.assertEqual(ip.proto, 2)
+ igmp = p[IGMPv3]
+ self.assertEqual(igmp.type, 0x11)
+ self.assertEqual(igmp.gaddr, grp)
+
+ def verify_report(self, rx, records):
+ ip = rx[IP]
+ self.assertEqual(rx[IP].dst, "224.0.0.22")
+ self.assertEqual(len(ip.options), 1)
+ self.assertEqual(ip.options[0].option, 20)
+ self.assertEqual(ip.proto, 2)
+ self.assertEqual(IGMPv3.igmpv3types[rx[IGMPv3].type],
+ "Version 3 Membership Report")
+ self.assertEqual(rx[IGMPv3mr].numgrp, len(records))
+
+ received = rx[IGMPv3mr].records
+
+ for ii in range(len(records)):
+ gr = received[ii]
+ r = records[ii]
+ self.assertEqual(IGMPv3gr.igmpv3grtypes[gr.rtype], r.type)
+ self.assertEqual(gr.numsrc, len(r.sg.saddrs))
+ self.assertEqual(gr.maddr, r.sg.gaddr)
+ self.assertEqual(len(gr.srcaddrs), len(r.sg.saddrs))
+
+ self.assertEqual(sorted(gr.srcaddrs),
+ sorted(r.sg.saddrs))
+
+ def add_group(self, itf, sg, n_pkts=2):
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ hs = VppHostState(self,
+ IGMP_FILTER.INCLUDE,
+ itf.sw_if_index,
+ sg)
+ hs.add_vpp_config()
+
+ capture = itf.get_capture(n_pkts, timeout=10)
+
+ # reports are transmitted twice due to default rebostness value=2
+ self.verify_report(capture[0],
+ [IgmpRecord(sg, "Allow New Sources")]),
+ self.verify_report(capture[1],
+ [IgmpRecord(sg, "Allow New Sources")]),
+
+ return hs
+
+ def remove_group(self, hs):
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ hs.remove_vpp_config()
+
+ capture = self.pg0.get_capture(1, timeout=10)
+
+ self.verify_report(capture[0],
+ [IgmpRecord(hs.sg, "Block Old Sources")])
+
+ def test_igmp_host(self):
+ """ IGMP Host functions """
+
+ #
+ # Enable interface for host functions
+ #
+ self.vapi.igmp_enable_disable(self.pg0.sw_if_index,
+ 1,
+ IGMP_MODE.HOST)
+
+ #
+ # Add one S,G of state and expect a state-change event report
+ # indicating the addition of the S,G
+ #
+ h1 = self.add_group(self.pg0, IgmpSG("239.1.1.1", ["1.1.1.1"]))
+
+ # search for the corresponding state created in VPP
+ dump = self.vapi.igmp_dump(self.pg0.sw_if_index)
+ self.assertEqual(len(dump), 1)
+ self.assertTrue(find_igmp_state(dump, self.pg0,
+ "239.1.1.1", "1.1.1.1"))
+
+ #
+ # Send a general query (to the all router's address)
+ # expect VPP to respond with a membership report.
+ # Pad the query with 0 - some devices in the big wild
+ # internet are prone to this.
+ #
+ p_g = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst='224.0.0.1', tos=0xc0) /
+ IGMPv3(type="Membership Query", mrcode=100) /
+ IGMPv3mq(gaddr="0.0.0.0") /
+ Raw('\x00' * 10))
+
+ self.send(self.pg0, p_g)
+
+ capture = self.pg0.get_capture(1, timeout=10)
+ self.verify_report(capture[0],
+ [IgmpRecord(h1.sg, "Mode Is Include")])
+
+ #
+ # Group specific query
+ #
+ p_gs = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst='239.1.1.1', tos=0xc0,
+ options=[IPOption(copy_flag=1, optclass="control",
+ option="router_alert")]) /
+ IGMPv3(type="Membership Query", mrcode=100) /
+ IGMPv3mq(gaddr="239.1.1.1"))
+
+ self.send(self.pg0, p_gs)
+
+ capture = self.pg0.get_capture(1, timeout=10)
+ self.verify_report(capture[0],
+ [IgmpRecord(h1.sg, "Mode Is Include")])
+
+ #
+ # A group and source specific query, with the source matching
+ # the source VPP has
+ #
+ p_gs1 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst='239.1.1.1', tos=0xc0,
+ options=[IPOption(copy_flag=1, optclass="control",
+ option="router_alert")]) /
+ IGMPv3(type="Membership Query", mrcode=100) /
+ IGMPv3mq(gaddr="239.1.1.1", srcaddrs=["1.1.1.1"]))
+
+ self.send(self.pg0, p_gs1)
+
+ capture = self.pg0.get_capture(1, timeout=10)
+ self.verify_report(capture[0],
+ [IgmpRecord(h1.sg, "Mode Is Include")])
+
+ #
+ # A group and source specific query that reports more sources
+ # than the packet actually has.
+ #
+ p_gs2 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst='239.1.1.1', tos=0xc0,
+ options=[IPOption(copy_flag=1, optclass="control",
+ option="router_alert")]) /
+ IGMPv3(type="Membership Query", mrcode=100) /
+ IGMPv3mq(gaddr="239.1.1.1", numsrc=4, srcaddrs=["1.1.1.1"]))
+
+ self.send_and_assert_no_replies(self.pg0, p_gs2, timeout=10)
+
+ #
+ # A group and source specific query, with the source NOT matching
+ # the source VPP has. There should be no response.
+ #
+ p_gs2 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst='239.1.1.1', tos=0xc0,
+ options=[IPOption(copy_flag=1, optclass="control",
+ option="router_alert")]) /
+ IGMPv3(type="Membership Query", mrcode=100) /
+ IGMPv3mq(gaddr="239.1.1.1", srcaddrs=["1.1.1.2"]))
+
+ self.send_and_assert_no_replies(self.pg0, p_gs2, timeout=10)
+
+ #
+ # A group and source specific query, with the multiple sources
+ # one of which matches the source VPP has.
+ # The report should contain only the source VPP has.
+ #
+ p_gs3 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst='239.1.1.1', tos=0xc0,
+ options=[IPOption(copy_flag=1, optclass="control",
+ option="router_alert")]) /
+ IGMPv3(type="Membership Query", mrcode=100) /
+ IGMPv3mq(gaddr="239.1.1.1",
+ srcaddrs=["1.1.1.1", "1.1.1.2", "1.1.1.3"]))
+
+ self.send(self.pg0, p_gs3)
+
+ capture = self.pg0.get_capture(1, timeout=10)
+ self.verify_report(capture[0],
+ [IgmpRecord(h1.sg, "Mode Is Include")])
+
+ #
+ # Two source and group specific queries in quick succession, the
+ # first does not have VPPs source the second does. then vice-versa
+ #
+ self.send(self.pg0, [p_gs2, p_gs1])
+ capture = self.pg0.get_capture(1, timeout=10)
+ self.verify_report(capture[0],
+ [IgmpRecord(h1.sg, "Mode Is Include")])
+
+ self.send(self.pg0, [p_gs1, p_gs2])
+ capture = self.pg0.get_capture(1, timeout=10)
+ self.verify_report(capture[0],
+ [IgmpRecord(h1.sg, "Mode Is Include")])
+
+ #
+ # remove state, expect the report for the removal
+ #
+ self.remove_group(h1)
+
+ dump = self.vapi.igmp_dump()
+ self.assertFalse(dump)
+
+ #
+ # A group with multiple sources
+ #
+ h2 = self.add_group(self.pg0,
+ IgmpSG("239.1.1.1",
+ ["1.1.1.1", "1.1.1.2", "1.1.1.3"]))
+
+ # search for the corresponding state created in VPP
+ dump = self.vapi.igmp_dump(self.pg0.sw_if_index)
+ self.assertEqual(len(dump), 3)
+ for s in h2.sg.saddrs:
+ self.assertTrue(find_igmp_state(dump, self.pg0,
+ "239.1.1.1", s))
+ #
+ # Send a general query (to the all router's address)
+ # expect VPP to respond with a membership report will all sources
+ #
+ self.send(self.pg0, p_g)
+
+ capture = self.pg0.get_capture(1, timeout=10)
+ self.verify_report(capture[0],
+ [IgmpRecord(h2.sg, "Mode Is Include")])
+
+ #
+ # Group and source specific query; some present some not
+ #
+ p_gs = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst='239.1.1.1', tos=0xc0,
+ options=[IPOption(copy_flag=1, optclass="control",
+ option="router_alert")]) /
+ IGMPv3(type="Membership Query", mrcode=100) /
+ IGMPv3mq(gaddr="239.1.1.1",
+ srcaddrs=["1.1.1.1", "1.1.1.2", "1.1.1.4"]))
+
+ self.send(self.pg0, p_gs)
+
+ capture = self.pg0.get_capture(1, timeout=10)
+ self.verify_report(capture[0],
+ [IgmpRecord(
+ IgmpSG('239.1.1.1', ["1.1.1.1", "1.1.1.2"]),
+ "Mode Is Include")])
+
+ #
+ # add loads more groups
+ #
+ h3 = self.add_group(self.pg0,
+ IgmpSG("239.1.1.2",
+ ["2.1.1.1", "2.1.1.2", "2.1.1.3"]))
+ h4 = self.add_group(self.pg0,
+ IgmpSG("239.1.1.3",
+ ["3.1.1.1", "3.1.1.2", "3.1.1.3"]))
+ h5 = self.add_group(self.pg0,
+ IgmpSG("239.1.1.4",
+ ["4.1.1.1", "4.1.1.2", "4.1.1.3"]))
+ h6 = self.add_group(self.pg0,
+ IgmpSG("239.1.1.5",
+ ["5.1.1.1", "5.1.1.2", "5.1.1.3"]))
+ h7 = self.add_group(self.pg0,
+ IgmpSG("239.1.1.6",
+ ["6.1.1.1", "6.1.1.2",
+ "6.1.1.3", "6.1.1.4",
+ "6.1.1.5", "6.1.1.6",
+ "6.1.1.7", "6.1.1.8",
+ "6.1.1.9", "6.1.1.10",
+ "6.1.1.11", "6.1.1.12",
+ "6.1.1.13", "6.1.1.14",
+ "6.1.1.15", "6.1.1.16"]))
+
+ #
+ # general query.
+ # the order the groups come in is not important, so what is
+ # checked for is what VPP is sending today.
+ #
+ self.send(self.pg0, p_g)
+
+ capture = self.pg0.get_capture(1, timeout=10)
+
+ self.verify_report(capture[0],
+ [IgmpRecord(h3.sg, "Mode Is Include"),
+ IgmpRecord(h2.sg, "Mode Is Include"),
+ IgmpRecord(h6.sg, "Mode Is Include"),
+ IgmpRecord(h4.sg, "Mode Is Include"),
+ IgmpRecord(h5.sg, "Mode Is Include"),
+ IgmpRecord(h7.sg, "Mode Is Include")])
+
+ #
+ # modify a group to add and remove some sources
+ #
+ h7.sg = IgmpSG("239.1.1.6",
+ ["6.1.1.1", "6.1.1.2",
+ "6.1.1.5", "6.1.1.6",
+ "6.1.1.7", "6.1.1.8",
+ "6.1.1.9", "6.1.1.10",
+ "6.1.1.11", "6.1.1.12",
+ "6.1.1.13", "6.1.1.14",
+ "6.1.1.15", "6.1.1.16",
+ "6.1.1.17", "6.1.1.18"])
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ h7.add_vpp_config()
+
+ capture = self.pg0.get_capture(1, timeout=10)
+ self.verify_report(capture[0],
+ [IgmpRecord(IgmpSG("239.1.1.6",
+ ["6.1.1.17", "6.1.1.18"]),
+ "Allow New Sources"),
+ IgmpRecord(IgmpSG("239.1.1.6",
+ ["6.1.1.3", "6.1.1.4"]),
+ "Block Old Sources")])
+
+ #
+ # add an additional groups with many sources so that each group
+ # consumes the link MTU. We should therefore see multiple state
+ # state reports when queried.
+ #
+ self.vapi.sw_interface_set_mtu(self.pg0.sw_if_index, [560, 0, 0, 0])
+
+ src_list = []
+ for i in range(128):
+ src_list.append("10.1.1.%d" % i)
+
+ h8 = self.add_group(self.pg0,
+ IgmpSG("238.1.1.1", src_list))
+ h9 = self.add_group(self.pg0,
+ IgmpSG("238.1.1.2", src_list))
+
+ self.send(self.pg0, p_g)
+
+ capture = self.pg0.get_capture(4, timeout=10)
+
+ self.verify_report(capture[0],
+ [IgmpRecord(h3.sg, "Mode Is Include"),
+ IgmpRecord(h2.sg, "Mode Is Include"),
+ IgmpRecord(h6.sg, "Mode Is Include"),
+ IgmpRecord(h4.sg, "Mode Is Include"),
+ IgmpRecord(h5.sg, "Mode Is Include")])
+ self.verify_report(capture[1],
+ [IgmpRecord(h8.sg, "Mode Is Include")])
+ self.verify_report(capture[2],
+ [IgmpRecord(h7.sg, "Mode Is Include")])
+ self.verify_report(capture[3],
+ [IgmpRecord(h9.sg, "Mode Is Include")])
+
+ #
+ # drop the MTU further (so a 128 sized group won't fit)
+ #
+ self.vapi.sw_interface_set_mtu(self.pg0.sw_if_index, [512, 0, 0, 0])
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ h10 = VppHostState(self,
+ IGMP_FILTER.INCLUDE,
+ self.pg0.sw_if_index,
+ IgmpSG("238.1.1.3", src_list))
+ h10.add_vpp_config()
+
+ capture = self.pg0.get_capture(2, timeout=10)
+ # wait for a little bit
+ self.sleep(1)
+
+ #
+ # remove state, expect the report for the removal
+ # the dump should be empty
+ #
+ self.vapi.sw_interface_set_mtu(self.pg0.sw_if_index, [600, 0, 0, 0])
+ self.remove_group(h8)
+ self.remove_group(h9)
+ self.remove_group(h2)
+ self.remove_group(h3)
+ self.remove_group(h4)
+ self.remove_group(h5)
+ self.remove_group(h6)
+ self.remove_group(h7)
+ self.remove_group(h10)
+
+ self.logger.info(self.vapi.cli("sh igmp config"))
+ self.assertFalse(self.vapi.igmp_dump())
+
+ #
+ # TODO
+ # ADD STATE ON MORE INTERFACES
+ #
+
+ self.vapi.igmp_enable_disable(self.pg0.sw_if_index,
+ 0,
+ IGMP_MODE.HOST)
+
+ def test_igmp_router(self):
+ """ IGMP Router Functions """
+
+ #
+ # Drop reports when not enabled
+ #
+ p_j = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst="224.0.0.22", tos=0xc0, ttl=1,
+ options=[IPOption(copy_flag=1, optclass="control",
+ option="router_alert")]) /
+ IGMPv3(type="Version 3 Membership Report") /
+ IGMPv3mr(numgrp=1) /
+ IGMPv3gr(rtype="Allow New Sources",
+ maddr="239.1.1.1", srcaddrs=["10.1.1.1", "10.1.1.2"]))
+ p_l = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst="224.0.0.22", tos=0xc0,
+ options=[IPOption(copy_flag=1, optclass="control",
+ option="router_alert")]) /
+ IGMPv3(type="Version 3 Membership Report") /
+ IGMPv3mr(numgrp=1) /
+ IGMPv3gr(rtype="Block Old Sources",
+ maddr="239.1.1.1", srcaddrs=["10.1.1.1", "10.1.1.2"]))
+
+ self.send(self.pg0, p_j)
+ self.assertFalse(self.vapi.igmp_dump())
+
+ #
+ # drop the default timer values so these tests execute in a
+ # reasonable time frame
+ #
+ self.vapi.cli("test igmp timers query 1 src 3 leave 1")
+
+ #
+ # enable router functions on the interface
+ #
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.vapi.igmp_enable_disable(self.pg0.sw_if_index,
+ 1,
+ IGMP_MODE.ROUTER)
+ self.vapi.want_igmp_events(1)
+
+ #
+ # wait for router to send general query
+ #
+ for ii in range(3):
+ capture = self.pg0.get_capture(1, timeout=2)
+ self.verify_general_query(capture[0])
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ #
+ # re-send the report. VPP should now hold state for the new group
+ # VPP sends a notification that a new group has been joined
+ #
+ self.send(self.pg0, p_j)
+
+ self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
+ "239.1.1.1", "10.1.1.1", 1))
+ self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
+ "239.1.1.1", "10.1.1.2", 1))
+ dump = self.vapi.igmp_dump(self.pg0.sw_if_index)
+ self.assertEqual(len(dump), 2)
+ self.assertTrue(find_igmp_state(dump, self.pg0,
+ "239.1.1.1", "10.1.1.1"))
+ self.assertTrue(find_igmp_state(dump, self.pg0,
+ "239.1.1.1", "10.1.1.2"))
+
+ #
+ # wait for the per-source timer to expire
+ # the state should be reaped
+ # VPP sends a notification that the group has been left
+ #
+ self.assertTrue(wait_for_igmp_event(self, 4, self.pg0,
+ "239.1.1.1", "10.1.1.1", 0))
+ self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
+ "239.1.1.1", "10.1.1.2", 0))
+ self.assertFalse(self.vapi.igmp_dump())
+
+ #
+ # resend the join. wait for two queries and then send a current-state
+ # record to include all sources. this should reset the expiry time
+ # on the sources and thus they will still be present in 2 seconds time.
+ # If the source timer was not refreshed, then the state would have
+ # expired in 3 seconds.
+ #
+ self.send(self.pg0, p_j)
+ self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
+ "239.1.1.1", "10.1.1.1", 1))
+ self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
+ "239.1.1.1", "10.1.1.2", 1))
+ dump = self.vapi.igmp_dump(self.pg0.sw_if_index)
+ self.assertEqual(len(dump), 2)
+
+ capture = self.pg0.get_capture(2, timeout=3)
+ self.verify_general_query(capture[0])
+ self.verify_general_query(capture[1])
+
+ p_cs = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst="224.0.0.22", tos=0xc0,
+ options=[IPOption(copy_flag=1, optclass="control",
+ option="router_alert")]) /
+ IGMPv3(type="Version 3 Membership Report") /
+ IGMPv3mr(numgrp=1) /
+ IGMPv3gr(rtype="Mode Is Include",
+ maddr="239.1.1.1", srcaddrs=["10.1.1.1", "10.1.1.2"]))
+
+ self.send(self.pg0, p_cs)
+
+ self.sleep(2)
+ dump = self.vapi.igmp_dump(self.pg0.sw_if_index)
+ self.assertEqual(len(dump), 2)
+ self.assertTrue(find_igmp_state(dump, self.pg0,
+ "239.1.1.1", "10.1.1.1"))
+ self.assertTrue(find_igmp_state(dump, self.pg0,
+ "239.1.1.1", "10.1.1.2"))
+
+ #
+ # wait for the per-source timer to expire
+ # the state should be reaped
+ #
+ self.assertTrue(wait_for_igmp_event(self, 4, self.pg0,
+ "239.1.1.1", "10.1.1.1", 0))
+ self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
+ "239.1.1.1", "10.1.1.2", 0))
+ self.assertFalse(self.vapi.igmp_dump())
+
+ #
+ # resend the join, then a leave. Router sends a group+source
+ # specific query containing both sources
+ #
+ self.send(self.pg0, p_j)
+
+ self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
+ "239.1.1.1", "10.1.1.1", 1))
+ self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
+ "239.1.1.1", "10.1.1.2", 1))
+ dump = self.vapi.igmp_dump(self.pg0.sw_if_index)
+ self.assertEqual(len(dump), 2)
+
+ self.send(self.pg0, p_l)
+ capture = self.pg0.get_capture(1, timeout=3)
+ self.verify_group_query(capture[0], "239.1.1.1",
+ ["10.1.1.1", "10.1.1.2"])
+
+ #
+ # the group specific query drops the timeout to leave (=1) seconds
+ #
+ self.assertTrue(wait_for_igmp_event(self, 2, self.pg0,
+ "239.1.1.1", "10.1.1.1", 0))
+ self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
+ "239.1.1.1", "10.1.1.2", 0))
+ self.assertFalse(self.vapi.igmp_dump())
+ self.assertFalse(self.vapi.igmp_dump())
+
+ #
+ # a TO_EX({}) / IN_EX({}) is treated like a (*,G) join
+ #
+ p_j = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst="224.0.0.22", tos=0xc0, ttl=1,
+ options=[IPOption(copy_flag=1, optclass="control",
+ option="router_alert")]) /
+ IGMPv3(type="Version 3 Membership Report") /
+ IGMPv3mr(numgrp=1) /
+ IGMPv3gr(rtype="Change To Exclude Mode", maddr="239.1.1.2"))
+
+ self.send(self.pg0, p_j)
+
+ self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
+ "239.1.1.2", "0.0.0.0", 1))
+
+ p_j = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst="224.0.0.22", tos=0xc0, ttl=1,
+ options=[IPOption(copy_flag=1, optclass="control",
+ option="router_alert")]) /
+ IGMPv3(type="Version 3 Membership Report") /
+ IGMPv3mr(numgrp=1) /
+ IGMPv3gr(rtype="Mode Is Exclude", maddr="239.1.1.3"))
+
+ self.send(self.pg0, p_j)
+
+ self.assertTrue(wait_for_igmp_event(self, 1, self.pg0,
+ "239.1.1.3", "0.0.0.0", 1))
+
+ #
+ # A 'allow sources' for {} should be ignored as it should
+ # never be sent.
+ #
+ p_j = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst="224.0.0.22", tos=0xc0, ttl=1,
+ options=[IPOption(copy_flag=1, optclass="control",
+ option="router_alert")]) /
+ IGMPv3(type="Version 3 Membership Report") /
+ IGMPv3mr(numgrp=1) /
+ IGMPv3gr(rtype="Allow New Sources", maddr="239.1.1.4"))
+
+ self.send(self.pg0, p_j)
+
+ dump = self.vapi.igmp_dump(self.pg0.sw_if_index)
+ self.assertTrue(find_igmp_state(dump, self.pg0,
+ "239.1.1.2", "0.0.0.0"))
+ self.assertTrue(find_igmp_state(dump, self.pg0,
+ "239.1.1.3", "0.0.0.0"))
+ self.assertFalse(find_igmp_state(dump, self.pg0,
+ "239.1.1.4", "0.0.0.0"))
+
+ #
+ # a TO_IN({}) and IS_IN({}) are treated like a (*,G) leave
+ #
+ self.vapi.cli("set logging class igmp level debug")
+ p_l = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst="224.0.0.22", tos=0xc0, ttl=1,
+ options=[IPOption(copy_flag=1, optclass="control",
+ option="router_alert")]) /
+ IGMPv3(type="Version 3 Membership Report") /
+ IGMPv3mr(numgrp=1) /
+ IGMPv3gr(rtype="Change To Include Mode", maddr="239.1.1.2"))
+
+ self.send(self.pg0, p_l)
+ self.assertTrue(wait_for_igmp_event(self, 2, self.pg0,
+ "239.1.1.2", "0.0.0.0", 0))
+
+ p_l = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst="224.0.0.22", tos=0xc0, ttl=1,
+ options=[IPOption(copy_flag=1, optclass="control",
+ option="router_alert")]) /
+ IGMPv3(type="Version 3 Membership Report") /
+ IGMPv3mr(numgrp=1) /
+ IGMPv3gr(rtype="Mode Is Include", maddr="239.1.1.3"))
+
+ self.send(self.pg0, p_l)
+
+ self.assertTrue(wait_for_igmp_event(self, 2, self.pg0,
+ "239.1.1.3", "0.0.0.0", 0))
+ self.assertFalse(self.vapi.igmp_dump(self.pg0.sw_if_index))
+
+ #
+ # disable router config
+ #
+ self.vapi.igmp_enable_disable(self.pg0.sw_if_index,
+ 0,
+ IGMP_MODE.ROUTER)
+
+ def _create_igmpv3_pck(self, itf, rtype, maddr, srcaddrs):
+ p = (Ether(dst=itf.local_mac, src=itf.remote_mac) /
+ IP(src=itf.remote_ip4, dst="224.0.0.22", tos=0xc0, ttl=1,
+ options=[IPOption(copy_flag=1, optclass="control",
+ option="router_alert")]) /
+ IGMPv3(type="Version 3 Membership Report") /
+ IGMPv3mr(numgrp=1) /
+ IGMPv3gr(rtype=rtype,
+ maddr=maddr, srcaddrs=srcaddrs))
+ return p
+
+ def test_igmp_proxy_device(self):
+ """ IGMP proxy device """
+ self.pg2.admin_down()
+ self.pg2.unconfig_ip4()
+ self.pg2.set_table_ip4(0)
+ self.pg2.config_ip4()
+ self.pg2.admin_up()
+
+ self.vapi.cli('test igmp timers query 10 src 3 leave 1')
+
+ # enable IGMP
+ self.vapi.igmp_enable_disable(self.pg0.sw_if_index, 1, IGMP_MODE.HOST)
+ self.vapi.igmp_enable_disable(self.pg1.sw_if_index, 1,
+ IGMP_MODE.ROUTER)
+ self.vapi.igmp_enable_disable(self.pg2.sw_if_index, 1,
+ IGMP_MODE.ROUTER)
+
+ # create IGMP proxy device
+ self.vapi.igmp_proxy_device_add_del(0, self.pg0.sw_if_index, 1)
+ self.vapi.igmp_proxy_device_add_del_interface(0,
+ self.pg1.sw_if_index, 1)
+ self.vapi.igmp_proxy_device_add_del_interface(0,
+ self.pg2.sw_if_index, 1)
+
+ # send join on pg1. join should be proxied by pg0
+ p_j = self._create_igmpv3_pck(self.pg1, "Allow New Sources",
+ "239.1.1.1", ["10.1.1.1", "10.1.1.2"])
+ self.send(self.pg1, p_j)
+
+ capture = self.pg0.get_capture(1, timeout=1)
+ self.verify_report(capture[0], [IgmpRecord(IgmpSG("239.1.1.1",
+ ["10.1.1.1", "10.1.1.2"]), "Allow New Sources")])
+ self.assertTrue(find_mroute(self, "239.1.1.1", "0.0.0.0", 32))
+
+ # send join on pg2. join should be proxied by pg0.
+ # the group should contain only 10.1.1.3 as
+ # 10.1.1.1 was already reported
+ p_j = self._create_igmpv3_pck(self.pg2, "Allow New Sources",
+ "239.1.1.1", ["10.1.1.1", "10.1.1.3"])
+ self.send(self.pg2, p_j)
+
+ capture = self.pg0.get_capture(1, timeout=1)
+ self.verify_report(capture[0], [IgmpRecord(IgmpSG("239.1.1.1",
+ ["10.1.1.3"]), "Allow New Sources")])
+ self.assertTrue(find_mroute(self, "239.1.1.1", "0.0.0.0", 32))
+
+ # send leave on pg2. leave for 10.1.1.3 should be proxyed
+ # as pg2 was the only interface interested in 10.1.1.3
+ p_l = self._create_igmpv3_pck(self.pg2, "Block Old Sources",
+ "239.1.1.1", ["10.1.1.3"])
+ self.send(self.pg2, p_l)
+
+ capture = self.pg0.get_capture(1, timeout=2)
+ self.verify_report(capture[0], [IgmpRecord(IgmpSG("239.1.1.1",
+ ["10.1.1.3"]), "Block Old Sources")])
+ self.assertTrue(find_mroute(self, "239.1.1.1", "0.0.0.0", 32))
+
+ # disable igmp on pg1 (also removes interface from proxy device)
+ # proxy leave for 10.1.1.2. pg2 is still interested in 10.1.1.1
+ self.pg_enable_capture(self.pg_interfaces)
+ self.vapi.igmp_enable_disable(self.pg1.sw_if_index, 0,
+ IGMP_MODE.ROUTER)
+
+ capture = self.pg0.get_capture(1, timeout=1)
+ self.verify_report(capture[0], [IgmpRecord(IgmpSG("239.1.1.1",
+ ["10.1.1.2"]), "Block Old Sources")])
+ self.assertTrue(find_mroute(self, "239.1.1.1", "0.0.0.0", 32))
+
+ # disable IGMP on pg0 and pg1.
+ # disabling IGMP on pg0 (proxy device upstream interface)
+ # removes this proxy device
+ self.vapi.igmp_enable_disable(self.pg0.sw_if_index, 0, IGMP_MODE.HOST)
+ self.vapi.igmp_enable_disable(self.pg2.sw_if_index, 0,
+ IGMP_MODE.ROUTER)
+ self.assertFalse(find_mroute(self, "239.1.1.1", "0.0.0.0", 32))
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/src/plugins/igmp/test/vpp_igmp.py b/src/plugins/igmp/test/vpp_igmp.py
new file mode 100644
index 00000000000..8f78a9b909a
--- /dev/null
+++ b/src/plugins/igmp/test/vpp_igmp.py
@@ -0,0 +1,75 @@
+
+from vpp_object import VppObject
+import socket
+
+
+class IGMP_MODE:
+ ROUTER = 0
+ HOST = 1
+
+
+class IGMP_FILTER:
+ INCLUDE = 1
+ EXCLUDE = 0
+
+
+def find_igmp_state(states, itf, gaddr, saddr):
+ for s in states:
+ if s.sw_if_index == itf.sw_if_index and \
+ str(s.gaddr) == gaddr and str(s.saddr) == saddr:
+ return True
+ return False
+
+
+def wait_for_igmp_event(test, timeout, itf, gaddr, saddr, ff):
+ ev = test.vapi.wait_for_event(timeout, "igmp_event")
+ if ev.sw_if_index == itf.sw_if_index and \
+ str(ev.gaddr) == gaddr and str(ev.saddr) == saddr and \
+ ev.filter == ff:
+ return True
+ return False
+
+
+class IgmpSG():
+ def __init__(self, gaddr, saddrs):
+ self.gaddr = gaddr
+ self.gaddr_p = socket.inet_pton(socket.AF_INET, gaddr)
+ self.saddrs = saddrs
+ self.saddrs_p = []
+ self.saddrs_encoded = []
+ for s in saddrs:
+ ss = socket.inet_pton(socket.AF_INET, s)
+ self.saddrs_p.append(ss)
+ self.saddrs_encoded.append(ss)
+
+
+class IgmpRecord():
+ def __init__(self, sg, type):
+ self.sg = sg
+ self.type = type
+
+
+class VppHostState(VppObject):
+ def __init__(self, test, filter, sw_if_index, sg):
+ self._test = test
+ self.sw_if_index = sw_if_index
+ self.filter = filter
+ self.sg = sg
+
+ def add_vpp_config(self):
+ self._test.vapi.igmp_listen(
+ self.filter, self.sw_if_index,
+ self.sg.saddrs_encoded, self.sg.gaddr_p)
+
+ def remove_vpp_config(self):
+ self._test.vapi.igmp_listen(
+ self.filter,
+ self.sw_if_index,
+ [],
+ self.sg.gaddr_p)
+
+ def object_id(self):
+ return "%s:%d" % (self.sg, self.sw_if_index)
+
+ def query_vpp_config(self):
+ return self._test.vapi.igmp_dump()
diff --git a/src/plugins/l3xc/test/test_l3xc.py b/src/plugins/l3xc/test/test_l3xc.py
new file mode 100644
index 00000000000..696e23507ac
--- /dev/null
+++ b/src/plugins/l3xc/test/test_l3xc.py
@@ -0,0 +1,153 @@
+#!/usr/bin/env python
+
+from socket import inet_pton, inet_ntop, AF_INET, AF_INET6
+import unittest
+
+from framework import VppTestCase, VppTestRunner
+from vpp_ip import DpoProto
+from vpp_ip_route import VppIpRoute, VppRoutePath, VppMplsLabel, VppIpTable
+
+from scapy.packet import Raw
+from scapy.layers.l2 import Ether
+from scapy.layers.inet import IP, UDP
+from scapy.layers.inet6 import IPv6
+
+from vpp_object import VppObject
+
+NUM_PKTS = 67
+
+
+def find_l3xc(test, sw_if_index, dump_sw_if_index=None):
+ if not dump_sw_if_index:
+ dump_sw_if_index = sw_if_index
+ xcs = test.vapi.l3xc_dump(dump_sw_if_index)
+ for xc in xcs:
+ if sw_if_index == xc.l3xc.sw_if_index:
+ return True
+ return False
+
+
+class VppL3xc(VppObject):
+
+ def __init__(self, test, intf, paths, is_ip6=False):
+ self._test = test
+ self.intf = intf
+ self.is_ip6 = is_ip6
+ self.paths = paths
+ self.encoded_paths = []
+ for path in self.paths:
+ self.encoded_paths.append(path.encode())
+
+ def add_vpp_config(self):
+ self._test.vapi.l3xc_update(
+ l3xc={
+ 'is_ip6': self.is_ip6,
+ 'sw_if_index': self.intf.sw_if_index,
+ 'n_paths': len(self.paths),
+ 'paths': self.encoded_paths
+ })
+ self._test.registry.register(self, self._test.logger)
+
+ def remove_vpp_config(self):
+ self._test.vapi.l3xc_del(
+ is_ip6=self.is_ip6,
+ sw_if_index=self.intf.sw_if_index)
+
+ def query_vpp_config(self):
+ return find_l3xc(self._test, self.intf.sw_if_index)
+
+ def object_id(self):
+ return ("l3xc-%d" % self.intf.sw_if_index)
+
+
+class TestL3xc(VppTestCase):
+ """ L3XC Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestL3xc, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestL3xc, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestL3xc, self).setUp()
+
+ self.create_pg_interfaces(range(6))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip4()
+ i.resolve_arp()
+ i.config_ip6()
+ i.resolve_ndp()
+
+ def tearDown(self):
+ for i in self.pg_interfaces:
+ i.unconfig_ip4()
+ i.unconfig_ip6()
+ i.ip6_disable()
+ i.admin_down()
+ super(TestL3xc, self).tearDown()
+
+ def send_and_expect_load_balancing(self, input, pkts, outputs):
+ self.pg_send(input, pkts)
+ rxs = []
+ for oo in outputs:
+ rx = oo._get_capture(1)
+ self.assertNotEqual(0, len(rx))
+ for r in rx:
+ rxs.append(r)
+ return rxs
+
+ def test_l3xc4(self):
+ """ IPv4 X-Connect """
+
+ #
+ # x-connect pg0 to pg1 and pg2 to pg3->5
+ #
+ l3xc_1 = VppL3xc(self, self.pg0,
+ [VppRoutePath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index)])
+ l3xc_1.add_vpp_config()
+ l3xc_2 = VppL3xc(self, self.pg2,
+ [VppRoutePath(self.pg3.remote_ip4,
+ self.pg3.sw_if_index),
+ VppRoutePath(self.pg4.remote_ip4,
+ self.pg4.sw_if_index),
+ VppRoutePath(self.pg5.remote_ip4,
+ self.pg5.sw_if_index)])
+ l3xc_2.add_vpp_config()
+
+ self.assertTrue(find_l3xc(self, self.pg2.sw_if_index, 0xffffffff))
+
+ self.logger.info(self.vapi.cli("sh l3xc"))
+
+ #
+ # fire in packets. If it's forwarded then the L3XC was successful,
+ # since default routing will drop it
+ #
+ p_1 = (Ether(src=self.pg0.remote_mac,
+ dst=self.pg0.local_mac) /
+ IP(src="1.1.1.1", dst="1.1.1.2") /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ # self.send_and_expect(self.pg0, p_1*NUM_PKTS, self.pg1)
+
+ p_2 = []
+ for ii in range(NUM_PKTS):
+ p_2.append(Ether(src=self.pg0.remote_mac,
+ dst=self.pg0.local_mac) /
+ IP(src="1.1.1.1", dst="1.1.1.2") /
+ UDP(sport=1000 + ii, dport=1234) /
+ Raw('\xa5' * 100))
+ self.send_and_expect_load_balancing(self.pg2, p_2,
+ [self.pg3, self.pg4, self.pg5])
+
+ l3xc_2.remove_vpp_config()
+ self.send_and_assert_no_replies(self.pg2, p_2)
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/src/plugins/lb/test/test_lb.py b/src/plugins/lb/test/test_lb.py
new file mode 100644
index 00000000000..4603bd10db8
--- /dev/null
+++ b/src/plugins/lb/test/test_lb.py
@@ -0,0 +1,502 @@
+import socket
+
+import scapy.compat
+from scapy.layers.inet import IP, UDP
+from scapy.layers.inet6 import IPv6
+from scapy.layers.l2 import Ether, GRE
+from scapy.packet import Raw
+from scapy.data import IP_PROTOS
+
+from framework import VppTestCase
+from util import ppp
+from vpp_ip_route import VppIpRoute, VppRoutePath
+from vpp_ip import INVALID_INDEX
+
+""" TestLB is a subclass of VPPTestCase classes.
+
+ TestLB class defines Load Balancer test cases for:
+ - IP4 to GRE4 encap on per-port vip case
+ - IP4 to GRE6 encap on per-port vip case
+ - IP6 to GRE4 encap on per-port vip case
+ - IP6 to GRE6 encap on per-port vip case
+ - IP4 to L3DSR encap on vip case
+ - IP4 to L3DSR encap on per-port vip case
+ - IP4 to NAT4 encap on per-port vip case
+ - IP6 to NAT6 encap on per-port vip case
+
+ As stated in comments below, GRE has issues with IPv6.
+ All test cases involving IPv6 are executed, but
+ received packets are not parsed and checked.
+
+"""
+
+
+class TestLB(VppTestCase):
+ """ Load Balancer Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestLB, cls).setUpClass()
+
+ cls.ass = range(5)
+ cls.packets = range(1)
+
+ try:
+ cls.create_pg_interfaces(range(2))
+ cls.interfaces = list(cls.pg_interfaces)
+
+ for i in cls.interfaces:
+ i.admin_up()
+ i.config_ip4()
+ i.config_ip6()
+ i.disable_ipv6_ra()
+ i.resolve_arp()
+ i.resolve_ndp()
+
+ dst4 = VppIpRoute(cls, "10.0.0.0", 24,
+ [VppRoutePath(cls.pg1.remote_ip4,
+ INVALID_INDEX)],
+ register=False)
+ dst4.add_vpp_config()
+ dst6 = VppIpRoute(cls, "2002::", 16,
+ [VppRoutePath(cls.pg1.remote_ip6,
+ INVALID_INDEX)],
+ register=False)
+ dst6.add_vpp_config()
+ cls.vapi.lb_conf(ip4_src_address="39.40.41.42",
+ ip6_src_address="2004::1")
+ except Exception:
+ super(TestLB, cls).tearDownClass()
+ raise
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestLB, cls).tearDownClass()
+
+ def tearDown(self):
+ super(TestLB, self).tearDown()
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.cli("show lb vip verbose"))
+
+ def getIPv4Flow(self, id):
+ return (IP(dst="90.0.%u.%u" % (id / 255, id % 255),
+ src="40.0.%u.%u" % (id / 255, id % 255)) /
+ UDP(sport=10000 + id, dport=20000))
+
+ def getIPv6Flow(self, id):
+ return (IPv6(dst="2001::%u" % (id), src="fd00:f00d:ffff::%u" % (id)) /
+ UDP(sport=10000 + id, dport=20000))
+
+ def generatePackets(self, src_if, isv4):
+ self.reset_packet_infos()
+ pkts = []
+ for pktid in self.packets:
+ info = self.create_packet_info(src_if, self.pg1)
+ payload = self.info_to_payload(info)
+ ip = self.getIPv4Flow(pktid) if isv4 else self.getIPv6Flow(pktid)
+ packet = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
+ ip /
+ Raw(payload))
+ self.extend_packet(packet, 128)
+ info.data = packet.copy()
+ pkts.append(packet)
+ return pkts
+
+ def checkInner(self, gre, isv4):
+ IPver = IP if isv4 else IPv6
+ self.assertEqual(gre.proto, 0x0800 if isv4 else 0x86DD)
+ self.assertEqual(gre.flags, 0)
+ self.assertEqual(gre.version, 0)
+ inner = IPver(scapy.compat.raw(gre.payload))
+ payload_info = self.payload_to_info(inner[Raw])
+ self.info = self.packet_infos[payload_info.index]
+ self.assertEqual(payload_info.src, self.pg0.sw_if_index)
+ self.assertEqual(scapy.compat.raw(inner),
+ scapy.compat.raw(self.info.data[IPver]))
+
+ def checkCapture(self, encap, isv4):
+ self.pg0.assert_nothing_captured()
+ out = self.pg1.get_capture(len(self.packets))
+
+ load = [0] * len(self.ass)
+ self.info = None
+ for p in out:
+ try:
+ asid = 0
+ gre = None
+ if (encap == 'gre4'):
+ ip = p[IP]
+ asid = int(ip.dst.split(".")[3])
+ self.assertEqual(ip.version, 4)
+ self.assertEqual(ip.flags, 0)
+ self.assertEqual(ip.src, "39.40.41.42")
+ self.assertEqual(ip.dst, "10.0.0.%u" % asid)
+ self.assertEqual(ip.proto, 47)
+ self.assertEqual(len(ip.options), 0)
+ gre = p[GRE]
+ self.checkInner(gre, isv4)
+ elif (encap == 'gre6'):
+ ip = p[IPv6]
+ asid = ip.dst.split(":")
+ asid = asid[len(asid) - 1]
+ asid = 0 if asid == "" else int(asid)
+ self.assertEqual(ip.version, 6)
+ self.assertEqual(ip.tc, 0)
+ self.assertEqual(ip.fl, 0)
+ self.assertEqual(ip.src, "2004::1")
+ self.assertEqual(
+ socket.inet_pton(socket.AF_INET6, ip.dst),
+ socket.inet_pton(socket.AF_INET6, "2002::%u" % asid)
+ )
+ self.assertEqual(ip.nh, 47)
+ # self.assertEqual(len(ip.options), 0)
+ gre = GRE(scapy.compat.raw(p[IPv6].payload))
+ self.checkInner(gre, isv4)
+ elif (encap == 'l3dsr'):
+ ip = p[IP]
+ asid = int(ip.dst.split(".")[3])
+ self.assertEqual(ip.version, 4)
+ self.assertEqual(ip.flags, 0)
+ self.assertEqual(ip.dst, "10.0.0.%u" % asid)
+ self.assertEqual(ip.tos, 0x1c)
+ self.assertEqual(len(ip.options), 0)
+ self.assert_ip_checksum_valid(p)
+ if ip.proto == IP_PROTOS.tcp:
+ self.assert_tcp_checksum_valid(p)
+ elif ip.proto == IP_PROTOS.udp:
+ self.assert_udp_checksum_valid(p)
+ elif (encap == 'nat4'):
+ ip = p[IP]
+ asid = int(ip.dst.split(".")[3])
+ self.assertEqual(ip.version, 4)
+ self.assertEqual(ip.flags, 0)
+ self.assertEqual(ip.dst, "10.0.0.%u" % asid)
+ self.assertEqual(ip.proto, 17)
+ self.assertEqual(len(ip.options), 0)
+ udp = p[UDP]
+ self.assertEqual(udp.dport, 3307)
+ elif (encap == 'nat6'):
+ ip = p[IPv6]
+ asid = ip.dst.split(":")
+ asid = asid[len(asid) - 1]
+ asid = 0 if asid == "" else int(asid)
+ self.assertEqual(ip.version, 6)
+ self.assertEqual(ip.tc, 0)
+ self.assertEqual(ip.fl, 0)
+ self.assertEqual(
+ socket.inet_pton(socket.AF_INET6, ip.dst),
+ socket.inet_pton(socket.AF_INET6, "2002::%u" % asid)
+ )
+ self.assertEqual(ip.nh, 17)
+ self.assertGreaterEqual(ip.hlim, 63)
+ udp = UDP(scapy.compat.raw(p[IPv6].payload))
+ self.assertEqual(udp.dport, 3307)
+ load[asid] += 1
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # This is just to roughly check that the balancing algorithm
+ # is not completely biased.
+ for asid in self.ass:
+ if load[asid] < len(self.packets) / (len(self.ass) * 2):
+ self.logger.error(
+ "ASS is not balanced: load[%d] = %d" % (asid, load[asid]))
+ raise Exception("Load Balancer algorithm is biased")
+
+ def test_lb_ip4_gre4(self):
+ """ Load Balancer IP4 GRE4 on vip case """
+ try:
+ self.vapi.cli(
+ "lb vip 90.0.0.0/8 encap gre4")
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 90.0.0.0/8 10.0.0.%u"
+ % (asid))
+
+ self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True))
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.checkCapture(encap='gre4', isv4=True)
+
+ finally:
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 90.0.0.0/8 10.0.0.%u del"
+ % (asid))
+ self.vapi.cli(
+ "lb vip 90.0.0.0/8 encap gre4 del")
+ self.vapi.cli("test lb flowtable flush")
+
+ def test_lb_ip6_gre4(self):
+ """ Load Balancer IP6 GRE4 on vip case """
+
+ try:
+ self.vapi.cli(
+ "lb vip 2001::/16 encap gre4")
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 2001::/16 10.0.0.%u"
+ % (asid))
+
+ self.pg0.add_stream(self.generatePackets(self.pg0, isv4=False))
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ self.checkCapture(encap='gre4', isv4=False)
+ finally:
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 2001::/16 10.0.0.%u del"
+ % (asid))
+ self.vapi.cli(
+ "lb vip 2001::/16 encap gre4 del")
+ self.vapi.cli("test lb flowtable flush")
+
+ def test_lb_ip4_gre6(self):
+ """ Load Balancer IP4 GRE6 on vip case """
+ try:
+ self.vapi.cli(
+ "lb vip 90.0.0.0/8 encap gre6")
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 90.0.0.0/8 2002::%u"
+ % (asid))
+
+ self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True))
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ self.checkCapture(encap='gre6', isv4=True)
+ finally:
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 90.0.0.0/8 2002::%u del"
+ % (asid))
+ self.vapi.cli(
+ "lb vip 90.0.0.0/8 encap gre6 del")
+ self.vapi.cli("test lb flowtable flush")
+
+ def test_lb_ip6_gre6(self):
+ """ Load Balancer IP6 GRE6 on vip case """
+ try:
+ self.vapi.cli(
+ "lb vip 2001::/16 encap gre6")
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 2001::/16 2002::%u"
+ % (asid))
+
+ self.pg0.add_stream(self.generatePackets(self.pg0, isv4=False))
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ self.checkCapture(encap='gre6', isv4=False)
+ finally:
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 2001::/16 2002::%u del"
+ % (asid))
+ self.vapi.cli(
+ "lb vip 2001::/16 encap gre6 del")
+ self.vapi.cli("test lb flowtable flush")
+
+ def test_lb_ip4_gre4_port(self):
+ """ Load Balancer IP4 GRE4 on per-port-vip case """
+ try:
+ self.vapi.cli(
+ "lb vip 90.0.0.0/8 protocol udp port 20000 encap gre4")
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u"
+ % (asid))
+
+ self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True))
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.checkCapture(encap='gre4', isv4=True)
+
+ finally:
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u del"
+ % (asid))
+ self.vapi.cli(
+ "lb vip 90.0.0.0/8 protocol udp port 20000 encap gre4 del")
+ self.vapi.cli("test lb flowtable flush")
+
+ def test_lb_ip6_gre4_port(self):
+ """ Load Balancer IP6 GRE4 on per-port-vip case """
+
+ try:
+ self.vapi.cli(
+ "lb vip 2001::/16 protocol udp port 20000 encap gre4")
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 2001::/16 protocol udp port 20000 10.0.0.%u"
+ % (asid))
+
+ self.pg0.add_stream(self.generatePackets(self.pg0, isv4=False))
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ self.checkCapture(encap='gre4', isv4=False)
+ finally:
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 2001::/16 protocol udp port 20000 10.0.0.%u del"
+ % (asid))
+ self.vapi.cli(
+ "lb vip 2001::/16 protocol udp port 20000 encap gre4 del")
+ self.vapi.cli("test lb flowtable flush")
+
+ def test_lb_ip4_gre6_port(self):
+ """ Load Balancer IP4 GRE6 on per-port-vip case """
+ try:
+ self.vapi.cli(
+ "lb vip 90.0.0.0/8 protocol udp port 20000 encap gre6")
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 90.0.0.0/8 protocol udp port 20000 2002::%u"
+ % (asid))
+
+ self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True))
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ self.checkCapture(encap='gre6', isv4=True)
+ finally:
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 90.0.0.0/8 protocol udp port 20000 2002::%u del"
+ % (asid))
+ self.vapi.cli(
+ "lb vip 90.0.0.0/8 protocol udp port 20000 encap gre6 del")
+ self.vapi.cli("test lb flowtable flush")
+
+ def test_lb_ip6_gre6_port(self):
+ """ Load Balancer IP6 GRE6 on per-port-vip case """
+ try:
+ self.vapi.cli(
+ "lb vip 2001::/16 protocol udp port 20000 encap gre6")
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 2001::/16 protocol udp port 20000 2002::%u"
+ % (asid))
+
+ self.pg0.add_stream(self.generatePackets(self.pg0, isv4=False))
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ self.checkCapture(encap='gre6', isv4=False)
+ finally:
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 2001::/16 protocol udp port 20000 2002::%u del"
+ % (asid))
+ self.vapi.cli(
+ "lb vip 2001::/16 protocol udp port 20000 encap gre6 del")
+ self.vapi.cli("test lb flowtable flush")
+
+ def test_lb_ip4_l3dsr(self):
+ """ Load Balancer IP4 L3DSR on vip case """
+ try:
+ self.vapi.cli(
+ "lb vip 90.0.0.0/8 encap l3dsr dscp 7")
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 90.0.0.0/8 10.0.0.%u"
+ % (asid))
+
+ self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True))
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.checkCapture(encap='l3dsr', isv4=True)
+
+ finally:
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 90.0.0.0/8 10.0.0.%u del"
+ % (asid))
+ self.vapi.cli(
+ "lb vip 90.0.0.0/8 encap l3dsr"
+ " dscp 7 del")
+ self.vapi.cli("test lb flowtable flush")
+
+ def test_lb_ip4_l3dsr_port(self):
+ """ Load Balancer IP4 L3DSR on per-port-vip case """
+ try:
+ self.vapi.cli(
+ "lb vip 90.0.0.0/8 protocol udp port 20000 encap l3dsr dscp 7")
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u"
+ % (asid))
+
+ self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True))
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.checkCapture(encap='l3dsr', isv4=True)
+
+ finally:
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u del"
+ % (asid))
+ self.vapi.cli(
+ "lb vip 90.0.0.0/8 protocol udp port 20000 encap l3dsr"
+ " dscp 7 del")
+ self.vapi.cli("test lb flowtable flush")
+
+ def test_lb_ip4_nat4_port(self):
+ """ Load Balancer IP4 NAT4 on per-port-vip case """
+ try:
+ self.vapi.cli(
+ "lb vip 90.0.0.0/8 protocol udp port 20000 encap nat4"
+ " type clusterip target_port 3307")
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u"
+ % (asid))
+
+ self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True))
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.checkCapture(encap='nat4', isv4=True)
+
+ finally:
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u del"
+ % (asid))
+ self.vapi.cli(
+ "lb vip 90.0.0.0/8 protocol udp port 20000 encap nat4"
+ " type clusterip target_port 3307 del")
+ self.vapi.cli("test lb flowtable flush")
+
+ def test_lb_ip6_nat6_port(self):
+ """ Load Balancer IP6 NAT6 on per-port-vip case """
+ try:
+ self.vapi.cli(
+ "lb vip 2001::/16 protocol udp port 20000 encap nat6"
+ " type clusterip target_port 3307")
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 2001::/16 protocol udp port 20000 2002::%u"
+ % (asid))
+
+ self.pg0.add_stream(self.generatePackets(self.pg0, isv4=False))
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.checkCapture(encap='nat6', isv4=False)
+
+ finally:
+ for asid in self.ass:
+ self.vapi.cli(
+ "lb as 2001::/16 protocol udp port 20000 2002::%u del"
+ % (asid))
+ self.vapi.cli(
+ "lb vip 2001::/16 protocol udp port 20000 encap nat6"
+ " type clusterip target_port 3307 del")
+ self.vapi.cli("test lb flowtable flush")
diff --git a/src/plugins/lb/test/test_lb_api.py b/src/plugins/lb/test/test_lb_api.py
new file mode 100644
index 00000000000..70d41d432a7
--- /dev/null
+++ b/src/plugins/lb/test/test_lb_api.py
@@ -0,0 +1,76 @@
+# Copyright (c) 2019. Vinci Consulting Corp. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import framework
+import ipaddress
+
+DEFAULT_VIP = "lb_vip_details(_0=978, context=12, vip=vl_api_lb_ip_addr_t(pfx=IPv6Network(u'::/0'), protocol=<vl_api_ip_proto_t.IP_API_PROTO_RESERVED: 255>, port=0), encap=<vl_api_lb_encap_type_t.LB_API_ENCAP_TYPE_GRE4: 0>, dscp=<vl_api_ip_dscp_t.IP_API_DSCP_CS0: 0>, srv_type=<vl_api_lb_srv_type_t.LB_API_SRV_TYPE_CLUSTERIP: 0>, target_port=0, flow_table_length=0)" # noqa
+
+
+class TestLbEmptyApi(framework.VppTestCase):
+ """TestLbEmptyApi """
+
+ def test_lb_empty_vip_dump(self):
+
+ # no records should normally return [], but
+ # lb initializes with a default VIP
+ rv = self.vapi.lb_vip_dump()
+ # print(rv)
+ self.assertEqual(rv, [], 'Expected: [] Received: %r.' % rv)
+
+ def test_lb_empty_as_dump(self):
+
+ # no records should return []
+ rv = self.vapi.lb_as_dump()
+ # print(rv)
+ self.assertEqual(rv, [], 'Expected: [] Received: %r.' % rv)
+
+
+class TestLbApi(framework.VppTestCase):
+ """TestLbApi """
+
+ def test_lb_vip_dump(self):
+ # add some vips
+ # rv = self.vapi.lb_add_del_vip(pfx=ipaddress.IPv4Network(u'1.2.3.0/24'), # noqa
+ # protocol=17,
+ # encap=0)
+ # print(rv)
+ self.vapi.cli("lb vip 2001::/16 encap gre6")
+ rv = self.vapi.lb_vip_dump()
+ # print(rv)
+ self.assertEqual(str(rv[-1].vip.pfx), "2001::/16",
+ 'Expected: 2001::/16 Received: %r.' % rv[-1].vip.pfx)
+
+ self.vapi.cli("lb vip 2001::/16 del")
+
+
+class TestLbAsApi(framework.VppTestCase):
+ """TestLbAsApi """
+
+ def test_lb_as_dump(self):
+ # add some vips
+ self.vapi.cli("lb vip 2001::/16 encap gre6")
+ self.vapi.cli("lb as 2001::/16 2000::1")
+ # add some as's for the vips
+ # rv = self.vapi.lb_add_del_as(
+ # pfx=ipaddress.IPv4Network(u"10.0.0.0/24"),
+ # as_address=ipaddress.IPv4Address(u"192.168.1.1"))
+
+ # print(rv)
+ rv = self.vapi.lb_as_dump()
+ # print(rv)
+ self.assertEqual(str(rv[0].vip.pfx), "2001::/16",
+ 'Expected: "2001::/16" Received: %r.' % rv[0].vip.pfx)
+ self.assertEqual(str(rv[0].app_srv), "2000::1",
+ 'Expected: "2000::1" Received: %r.' % rv[0].app_srv)
diff --git a/src/plugins/lb/test/vpp_lb.py b/src/plugins/lb/test/vpp_lb.py
new file mode 100644
index 00000000000..d755cef70e5
--- /dev/null
+++ b/src/plugins/lb/test/vpp_lb.py
@@ -0,0 +1,84 @@
+# Copyright (c) 2019. Vinci Consulting Corp. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import vpp_object
+
+
+class VppLbVip(vpp_object.VppObject):
+
+ def __init__(self, test, pfx, sfx, port, protocol):
+ self._test = test
+ self.pfx = pfx
+ self.sfx = sfx
+ self.port = port
+ self.protocol = protocol
+
+ def add_vpp_config(self):
+ self._test_vapi.lb_add_del_vip(pfx=self.pfx,
+ sfx=self.pfx,
+ port=self.port,
+ protocol=self.protocol)
+
+ self._test.registry.register(self, self._test.logger)
+
+ def remove_vpp_config(self):
+ self._test.vapi.lb_add_del_vip(pfx=self.pfx,
+ sfx=self.pfx,
+ port=self.port,
+ protocol=self.protocol,
+ is_del=1)
+
+ def query_vpp_config(self):
+ details = self._test.vapi.lb_add_del_vip(fx=self.pfx,
+ sfx=self.pfx,
+ port=self.port,
+ protocol=self.protocol)
+ return True if self == details else False
+
+
+class VppLbAs(vpp_object.VppObject):
+ def __init__(self, test, pfx, port, protocol, app_srv, is_del, is_flush):
+ self._test = test
+ # this is the vip
+ self.pfx = pfx
+ self.port = port
+ self.protocol = protocol
+
+ self.app_srv = app_srv
+ self.is_del = is_del
+ self.is_flush = is_flush
+
+ def add_vpp_config(self):
+ self._test_vapi.lb_add_del_as(pfx=self.pfx,
+ port=self.port,
+ protocol=self.protocol,
+ app_srv=self.app_srv,
+ is_flush=self.is_flush,
+ )
+
+ self._test.registry.register(self, self._test.logger)
+
+ def remove_vpp_config(self):
+ self._test.vapi.lb_add_del_as(pfx=self.pfx,
+ port=self.port,
+ protocol=self.protocol,
+ app_srv=self.app_srv,
+ is_flush=self.is_flush,
+ is_del=1)
+
+ def query_vpp_config(self):
+ details = self._test.vapi.lb_as_dump(pfx=self.pfx,
+ port=self.port,
+ protocol=self.protocol)
+ return True if self == details else False
diff --git a/src/plugins/mactime/test/test_mactime.py b/src/plugins/mactime/test/test_mactime.py
new file mode 100644
index 00000000000..ab3d5371815
--- /dev/null
+++ b/src/plugins/mactime/test/test_mactime.py
@@ -0,0 +1,155 @@
+#!/usr/bin/env python
+
+import unittest
+
+from framework import VppTestCase, VppTestRunner, running_extended_tests
+from vpp_ip_route import VppIpTable, VppIpRoute, VppRoutePath
+
+
+class TestMactime(VppTestCase):
+ """ Mactime Unit Test Cases """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestMactime, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestMactime, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestMactime, self).setUp()
+
+ def tearDown(self):
+ super(TestMactime, self).tearDown()
+
+ def test_mactime_range_unittest(self):
+ """ Time Range Test """
+ error = self.vapi.cli("test time-range")
+
+ if error:
+ self.logger.critical(error)
+ self.assertNotIn('FAILED', error)
+
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
+ def test_mactime_unittest(self):
+ """ Mactime Plugin Code Coverage Test """
+ cmds = ["loopback create",
+ "mactime enable-disable disable",
+ "mactime enable-disable loop0",
+ "mactime enable-disable loop0 disable",
+ "mactime enable-disable sw_if_index 9999",
+ "bin mactime_enable_disable loop0",
+ "bin mactime_enable_disable loop0 disable",
+ "bin mactime_enable_disable sw_if_index 1",
+ "set interface state loop0 up",
+ "clear mactime",
+ "set ip arp loop0 192.168.1.1 00:d0:2d:5e:86:85",
+ "bin mactime_add_del_range name sallow "
+ "mac 00:d0:2d:5e:86:85 allow-static del",
+ "bin mactime_add_del_range name sallow "
+ "mac 00:d0:2d:5e:86:85 allow-static",
+ "bin mactime_add_del_range name sallow "
+ "mac 00:d0:2d:5e:86:85 allow-static del",
+ "bin mactime_add_del_range name sallow "
+ "mac 00:d0:2d:5e:86:85 allow-static",
+ "bin mactime_add_del_range name sblock "
+ "mac 01:00:5e:7f:ff:fa drop-static",
+ "bin mactime_add_del_range name ddrop "
+ "mac c8:bc:c8:5a:ba:f3 drop-range Sun - Sat "
+ "00:00 - 23:59",
+ "bin mactime_add_del_range name dallow "
+ "mac c8:bc:c8:5a:ba:f4 allow-range Sun - Sat "
+ "00:00 - 23:59",
+ "bin mactime_add_del_range name multi "
+ "mac c8:bc:c8:f0:f0:f0 allow-range Sun - Mon "
+ "00:00 - 23:59 Tue - Sat 00:00 - 23:59",
+ "bin mactime_add_del_range bogus",
+ "bin mactime_add_del_range mac 01:00:5e:7f:f0:f0 allow-static",
+ "bin mactime_add_del_range "
+ "name tooloooooooooooooooooooooooooooooooooooooooooooooooo"
+ "nnnnnnnnnnnnnnnnnnnnnnnnnnnng mac 00:00:de:ad:be:ef "
+ "allow-static",
+ "packet-generator new {\n"
+ " name allow\n"
+ " limit 15\n"
+ " size 128-128\n"
+ " interface loop0\n"
+ " node ethernet-input\n"
+ " data {\n"
+ " IP6: 00:d0:2d:5e:86:85 -> 00:0d:ea:d0:00:00\n"
+ " ICMP: db00::1 -> db00::2\n"
+ " incrementing 30\n"
+ " }\n",
+ "}\n",
+ "packet-generator new {\n"
+ " name deny\n"
+ " limit 15\n"
+ " size 128-128\n"
+ " interface loop0\n"
+ " node ethernet-input\n"
+ " data {\n"
+ " IP6: 01:00:5e:7f:ff:fa -> 00:0d:ea:d0:00:00\n"
+ " ICMP: db00::1 -> db00::2\n"
+ " incrementing 30\n"
+ " }\n",
+ "}\n",
+ "packet-generator new {\n"
+ " name ddrop\n"
+ " limit 15\n"
+ " size 128-128\n"
+ " interface loop0\n"
+ " node ethernet-input\n"
+ " data {\n"
+ " IP6: c8:bc:c8:5a:ba:f3 -> 00:0d:ea:d0:00:00\n"
+ " ICMP: db00::1 -> db00::2\n"
+ " incrementing 30\n"
+ " }\n",
+ "}\n",
+ "packet-generator new {\n"
+ " name dallow\n"
+ " limit 15\n"
+ " size 128-128\n"
+ " interface loop0\n"
+ " node ethernet-input\n"
+ " data {\n"
+ " IP6: c8:bc:c8:5a:ba:f4 -> 00:0d:ea:d0:00:00\n"
+ " ICMP: db00::1 -> db00::2\n"
+ " incrementing 30\n"
+ " }\n"
+ "}\n"
+ "packet-generator new {\n"
+ " name makeentry\n"
+ " limit 15\n"
+ " size 128-128\n"
+ " interface loop0\n"
+ " node ethernet-input\n"
+ " data {\n"
+ " IP6: c8:bc:c8:5a:b0:0b -> 00:0d:ea:d0:00:00\n"
+ " ICMP: db00::1 -> db00::2\n"
+ " incrementing 30\n"
+ " }\n"
+ "}\n"
+ "packet-generator new {\n"
+ " name tx\n"
+ " limit 15\n"
+ " size 128-128\n"
+ " interface local0\n"
+ " tx-interface loop0\n"
+ " node loop0-output\n"
+ " data {\n"
+ " hex 0x01005e7ffffa000dead000000800"
+ "0102030405060708090a0b0c0d0e0f0102030405\n"
+ " }\n"
+ "}\n"
+ "trace add pg-input 2",
+ "pa en",
+ "show mactime verbose 2",
+ "show trace",
+ "show error"]
+
+ for cmd in cmds:
+ self.logger.info(self.vapi.cli(cmd))
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/src/plugins/map/test/test_map.py b/src/plugins/map/test/test_map.py
new file mode 100644
index 00000000000..f1388b39c65
--- /dev/null
+++ b/src/plugins/map/test/test_map.py
@@ -0,0 +1,437 @@
+#!/usr/bin/env python
+
+import ipaddress
+import unittest
+from ipaddress import IPv6Network, IPv4Network
+
+from framework import VppTestCase, VppTestRunner
+from vpp_ip import DpoProto
+from vpp_ip_route import VppIpRoute, VppRoutePath
+
+import scapy.compat
+from scapy.layers.l2 import Ether, Raw
+from scapy.layers.inet import IP, UDP, ICMP, TCP, fragment
+from scapy.layers.inet6 import IPv6, ICMPv6TimeExceeded
+
+
+class TestMAP(VppTestCase):
+ """ MAP Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestMAP, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestMAP, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestMAP, self).setUp()
+
+ # create 2 pg interfaces
+ self.create_pg_interfaces(range(4))
+
+ # pg0 is 'inside' IPv4
+ self.pg0.admin_up()
+ self.pg0.config_ip4()
+ self.pg0.resolve_arp()
+
+ # pg1 is 'outside' IPv6
+ self.pg1.admin_up()
+ self.pg1.config_ip6()
+ self.pg1.generate_remote_hosts(4)
+ self.pg1.configure_ipv6_neighbors()
+
+ def tearDown(self):
+ super(TestMAP, self).tearDown()
+ for i in self.pg_interfaces:
+ i.unconfig_ip4()
+ i.unconfig_ip6()
+ i.admin_down()
+
+ def send_and_assert_encapped(self, tx, ip6_src, ip6_dst, dmac=None):
+ if not dmac:
+ dmac = self.pg1.remote_mac
+
+ self.pg0.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx = self.pg1.get_capture(1)
+ rx = rx[0]
+
+ self.assertEqual(rx[Ether].dst, dmac)
+ self.assertEqual(rx[IP].src, tx[IP].src)
+ self.assertEqual(rx[IPv6].src, ip6_src)
+ self.assertEqual(rx[IPv6].dst, ip6_dst)
+
+ def test_api_map_domain_dump(self):
+ map_dst = '2001::/64'
+ map_src = '3000::1/128'
+ client_pfx = '192.168.0.0/16'
+ tag = 'MAP-E tag.'
+ index = self.vapi.map_add_domain(ip4_prefix=client_pfx,
+ ip6_prefix=map_dst,
+ ip6_src=map_src,
+ tag=tag).index
+
+ rv = self.vapi.map_domain_dump()
+
+ # restore the state early so as to not impact subsequent tests.
+ # If an assert fails, we will not get the chance to do it at the end.
+ self.vapi.map_del_domain(index=index)
+
+ self.assertGreater(len(rv), 0,
+ "Expected output from 'map_domain_dump'")
+
+ # typedefs are returned as ipaddress objects.
+ # wrap results in str() ugh! to avoid the need to call unicode.
+ self.assertEqual(str(rv[0].ip4_prefix), client_pfx)
+ self.assertEqual(str(rv[0].ip6_prefix), map_dst)
+ self.assertEqual(str(rv[0].ip6_src), map_src)
+
+ self.assertEqual(rv[0].tag, tag,
+ "output produced incorrect tag value.")
+
+ def test_map_e(self):
+ """ MAP-E """
+
+ #
+ # Add a route to the MAP-BR
+ #
+ map_br_pfx = "2001::"
+ map_br_pfx_len = 64
+ map_route = VppIpRoute(self,
+ map_br_pfx,
+ map_br_pfx_len,
+ [VppRoutePath(self.pg1.remote_ip6,
+ self.pg1.sw_if_index)])
+ map_route.add_vpp_config()
+
+ #
+ # Add a domain that maps from pg0 to pg1
+ #
+ map_dst = '2001::/64'
+ map_src = '3000::1/128'
+ client_pfx = '192.168.0.0/16'
+ tag = 'MAP-E tag.'
+ self.vapi.map_add_domain(ip4_prefix=client_pfx,
+ ip6_prefix=map_dst,
+ ip6_src=map_src,
+ tag=tag)
+
+ # Enable MAP on interface.
+ self.vapi.map_if_enable_disable(is_enable=1,
+ sw_if_index=self.pg0.sw_if_index,
+ is_translation=0)
+
+ # Ensure MAP doesn't steal all packets!
+ v4 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg0.remote_ip4) /
+ UDP(sport=20000, dport=10000) /
+ Raw('\xa5' * 100))
+ rx = self.send_and_expect(self.pg0, v4*1, self.pg0)
+ v4_reply = v4[1]
+ v4_reply.ttl -= 1
+ for p in rx:
+ self.validate(p[1], v4_reply)
+
+ #
+ # Fire in a v4 packet that will be encapped to the BR
+ #
+ v4 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst='192.168.1.1') /
+ UDP(sport=20000, dport=10000) /
+ Raw('\xa5' * 100))
+
+ self.send_and_assert_encapped(v4, "3000::1", "2001::c0a8:0:0")
+
+ # Enable MAP on interface.
+ self.vapi.map_if_enable_disable(is_enable=1,
+ sw_if_index=self.pg1.sw_if_index,
+ is_translation=0)
+
+ # Ensure MAP doesn't steal all packets
+ v6 = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IPv6(src=self.pg1.remote_ip6, dst=self.pg1.remote_ip6) /
+ UDP(sport=20000, dport=10000) /
+ Raw('\xa5' * 100))
+ rx = self.send_and_expect(self.pg1, v6*1, self.pg1)
+ v6_reply = v6[1]
+ v6_reply.hlim -= 1
+ for p in rx:
+ self.validate(p[1], v6_reply)
+
+ #
+ # Fire in a V6 encapped packet.
+ # expect a decapped packet on the inside ip4 link
+ #
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IPv6(dst='3000::1', src="2001::1") /
+ IP(dst=self.pg0.remote_ip4, src='192.168.1.1') /
+ UDP(sport=20000, dport=10000) /
+ Raw('\xa5' * 100))
+
+ self.pg1.add_stream(p)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx = self.pg0.get_capture(1)
+ rx = rx[0]
+
+ self.assertFalse(rx.haslayer(IPv6))
+ self.assertEqual(rx[IP].src, p[IP].src)
+ self.assertEqual(rx[IP].dst, p[IP].dst)
+
+ #
+ # Pre-resolve. No API for this!!
+ #
+ self.vapi.ppcli("map params pre-resolve ip6-nh 4001::1")
+
+ self.send_and_assert_no_replies(self.pg0, v4,
+ "resolved via default route")
+
+ #
+ # Add a route to 4001::1. Expect the encapped traffic to be
+ # sent via that routes next-hop
+ #
+ pre_res_route = VppIpRoute(self, "4001::1", 128,
+ [VppRoutePath(self.pg1.remote_hosts[2].ip6,
+ self.pg1.sw_if_index)])
+ pre_res_route.add_vpp_config()
+
+ self.send_and_assert_encapped(v4, "3000::1",
+ "2001::c0a8:0:0",
+ dmac=self.pg1.remote_hosts[2].mac)
+
+ #
+ # change the route to the pre-solved next-hop
+ #
+ pre_res_route.modify([VppRoutePath(self.pg1.remote_hosts[3].ip6,
+ self.pg1.sw_if_index)])
+ pre_res_route.add_vpp_config()
+
+ self.send_and_assert_encapped(v4, "3000::1",
+ "2001::c0a8:0:0",
+ dmac=self.pg1.remote_hosts[3].mac)
+
+ #
+ # cleanup. The test infra's object registry will ensure
+ # the route is really gone and thus that the unresolve worked.
+ #
+ pre_res_route.remove_vpp_config()
+ self.vapi.ppcli("map params pre-resolve del ip6-nh 4001::1")
+
+ def validate(self, rx, expected):
+ self.assertEqual(rx, expected.__class__(scapy.compat.raw(expected)))
+
+ def payload(self, len):
+ return 'x' * len
+
+ def test_map_t(self):
+ """ MAP-T """
+
+ #
+ # Add a domain that maps from pg0 to pg1
+ #
+ map_dst = '2001:db8::/32'
+ map_src = '1234:5678:90ab:cdef::/64'
+ ip4_pfx = '192.168.0.0/24'
+ tag = 'MAP-T Tag.'
+
+ self.vapi.map_add_domain(ip6_prefix=map_dst,
+ ip4_prefix=ip4_pfx,
+ ip6_src=map_src,
+ ea_bits_len=16,
+ psid_offset=6,
+ psid_length=4,
+ mtu=1500,
+ tag=tag)
+
+ # Enable MAP-T on interfaces.
+ self.vapi.map_if_enable_disable(is_enable=1,
+ sw_if_index=self.pg0.sw_if_index,
+ is_translation=1)
+ self.vapi.map_if_enable_disable(is_enable=1,
+ sw_if_index=self.pg1.sw_if_index,
+ is_translation=1)
+
+ # Ensure MAP doesn't steal all packets!
+ v4 = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg0.remote_ip4) /
+ UDP(sport=20000, dport=10000) /
+ Raw('\xa5' * 100))
+ rx = self.send_and_expect(self.pg0, v4*1, self.pg0)
+ v4_reply = v4[1]
+ v4_reply.ttl -= 1
+ for p in rx:
+ self.validate(p[1], v4_reply)
+ # Ensure MAP doesn't steal all packets
+ v6 = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IPv6(src=self.pg1.remote_ip6, dst=self.pg1.remote_ip6) /
+ UDP(sport=20000, dport=10000) /
+ Raw('\xa5' * 100))
+ rx = self.send_and_expect(self.pg1, v6*1, self.pg1)
+ v6_reply = v6[1]
+ v6_reply.hlim -= 1
+ for p in rx:
+ self.validate(p[1], v6_reply)
+
+ map_route = VppIpRoute(self,
+ "2001:db8::",
+ 32,
+ [VppRoutePath(self.pg1.remote_ip6,
+ self.pg1.sw_if_index,
+ proto=DpoProto.DPO_PROTO_IP6)])
+ map_route.add_vpp_config()
+
+ #
+ # Send a v4 packet that will be translated
+ #
+ p_ether = Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
+ p_ip4 = IP(src=self.pg0.remote_ip4, dst='192.168.0.1')
+ payload = TCP(sport=0xabcd, dport=0xabcd)
+
+ p4 = (p_ether / p_ip4 / payload)
+ p6_translated = (IPv6(src="1234:5678:90ab:cdef:ac:1001:200:0",
+ dst="2001:db8:1f0::c0a8:1:f") / payload)
+ p6_translated.hlim -= 1
+ rx = self.send_and_expect(self.pg0, p4*1, self.pg1)
+ for p in rx:
+ self.validate(p[1], p6_translated)
+
+ # Send back an IPv6 packet that will be "untranslated"
+ p_ether6 = Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac)
+ p_ip6 = IPv6(src='2001:db8:1f0::c0a8:1:f',
+ dst='1234:5678:90ab:cdef:ac:1001:200:0')
+ p6 = (p_ether6 / p_ip6 / payload)
+ p4_translated = (IP(src='192.168.0.1',
+ dst=self.pg0.remote_ip4) / payload)
+ p4_translated.id = 0
+ p4_translated.ttl -= 1
+ rx = self.send_and_expect(self.pg1, p6*1, self.pg0)
+ for p in rx:
+ self.validate(p[1], p4_translated)
+
+ # IPv4 TTL
+ ip4_ttl_expired = IP(src=self.pg0.remote_ip4, dst='192.168.0.1', ttl=0)
+ p4 = (p_ether / ip4_ttl_expired / payload)
+
+ icmp4_reply = (IP(id=0, ttl=254, src=self.pg0.local_ip4,
+ dst=self.pg0.remote_ip4) /
+ ICMP(type='time-exceeded',
+ code='ttl-zero-during-transit') /
+ IP(src=self.pg0.remote_ip4,
+ dst='192.168.0.1', ttl=0) / payload)
+ rx = self.send_and_expect(self.pg0, p4*1, self.pg0)
+ for p in rx:
+ self.validate(p[1], icmp4_reply)
+
+ '''
+ This one is broken, cause it would require hairpinning...
+ # IPv4 TTL TTL1
+ ip4_ttl_expired = IP(src=self.pg0.remote_ip4, dst='192.168.0.1', ttl=1)
+ p4 = (p_ether / ip4_ttl_expired / payload)
+
+ icmp4_reply = IP(id=0, ttl=254, src=self.pg0.local_ip4,
+ dst=self.pg0.remote_ip4) / \
+ ICMP(type='time-exceeded', code='ttl-zero-during-transit' ) / \
+ IP(src=self.pg0.remote_ip4, dst='192.168.0.1', ttl=0) / payload
+ rx = self.send_and_expect(self.pg0, p4*1, self.pg0)
+ for p in rx:
+ self.validate(p[1], icmp4_reply)
+ '''
+
+ # IPv6 Hop limit
+ ip6_hlim_expired = IPv6(hlim=0, src='2001:db8:1ab::c0a8:1:ab',
+ dst='1234:5678:90ab:cdef:ac:1001:200:0')
+ p6 = (p_ether6 / ip6_hlim_expired / payload)
+
+ icmp6_reply = (IPv6(hlim=255, src=self.pg1.local_ip6,
+ dst="2001:db8:1ab::c0a8:1:ab") /
+ ICMPv6TimeExceeded(code=0) /
+ IPv6(src="2001:db8:1ab::c0a8:1:ab",
+ dst='1234:5678:90ab:cdef:ac:1001:200:0',
+ hlim=0) / payload)
+ rx = self.send_and_expect(self.pg1, p6*1, self.pg1)
+ for p in rx:
+ self.validate(p[1], icmp6_reply)
+
+ # IPv4 Well-known port
+ p_ip4 = IP(src=self.pg0.remote_ip4, dst='192.168.0.1')
+ payload = UDP(sport=200, dport=200)
+ p4 = (p_ether / p_ip4 / payload)
+ self.send_and_assert_no_replies(self.pg0, p4*1)
+
+ # IPv6 Well-known port
+ payload = UDP(sport=200, dport=200)
+ p6 = (p_ether6 / p_ip6 / payload)
+ self.send_and_assert_no_replies(self.pg1, p6*1)
+
+ # Packet fragmentation
+ payload = UDP(sport=40000, dport=4000) / self.payload(1453)
+ p4 = (p_ether / p_ip4 / payload)
+ self.pg_enable_capture()
+ self.pg0.add_stream(p4)
+ self.pg_start()
+ rx = self.pg1.get_capture(2)
+ for p in rx:
+ pass
+ # TODO: Manual validation
+ # self.validate(p[1], icmp4_reply)
+
+ # Packet fragmentation send fragments
+ payload = UDP(sport=40000, dport=4000) / self.payload(1453)
+ p4 = (p_ether / p_ip4 / payload)
+ frags = fragment(p4, fragsize=1000)
+ self.pg_enable_capture()
+ self.pg0.add_stream(frags)
+ self.pg_start()
+ rx = self.pg1.get_capture(2)
+ for p in rx:
+ pass
+ # p.show2()
+ # reass_pkt = reassemble(rx)
+ # p4_reply.ttl -= 1
+ # p4_reply.id = 256
+ # self.validate(reass_pkt, p4_reply)
+
+ # TCP MSS clamping
+ self.vapi.map_param_set_tcp(1300)
+
+ #
+ # Send a v4 TCP SYN packet that will be translated and MSS clamped
+ #
+ p_ether = Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
+ p_ip4 = IP(src=self.pg0.remote_ip4, dst='192.168.0.1')
+ payload = TCP(sport=0xabcd, dport=0xabcd, flags="S",
+ options=[('MSS', 1460)])
+
+ p4 = (p_ether / p_ip4 / payload)
+ p6_translated = (IPv6(src="1234:5678:90ab:cdef:ac:1001:200:0",
+ dst="2001:db8:1f0::c0a8:1:f") / payload)
+ p6_translated.hlim -= 1
+ p6_translated[TCP].options = [('MSS', 1300)]
+ rx = self.send_and_expect(self.pg0, p4*1, self.pg1)
+ for p in rx:
+ self.validate(p[1], p6_translated)
+
+ # Send back an IPv6 packet that will be "untranslated"
+ p_ether6 = Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac)
+ p_ip6 = IPv6(src='2001:db8:1f0::c0a8:1:f',
+ dst='1234:5678:90ab:cdef:ac:1001:200:0')
+ p6 = (p_ether6 / p_ip6 / payload)
+ p4_translated = (IP(src='192.168.0.1',
+ dst=self.pg0.remote_ip4) / payload)
+ p4_translated.id = 0
+ p4_translated.ttl -= 1
+ p4_translated[TCP].options = [('MSS', 1300)]
+ rx = self.send_and_expect(self.pg1, p6*1, self.pg0)
+ for p in rx:
+ self.validate(p[1], p4_translated)
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/src/plugins/memif/test/test_memif.py b/src/plugins/memif/test/test_memif.py
new file mode 100644
index 00000000000..6413cfdbf20
--- /dev/null
+++ b/src/plugins/memif/test/test_memif.py
@@ -0,0 +1,275 @@
+import socket
+import unittest
+
+from scapy.layers.l2 import Ether
+from scapy.layers.inet import IP, ICMP
+import six
+
+from framework import VppTestCase, VppTestRunner, running_extended_tests
+from remote_test import RemoteClass, RemoteVppTestCase
+from vpp_memif import MEMIF_MODE, MEMIF_ROLE, remove_all_memif_vpp_config, \
+ VppSocketFilename, VppMemif
+from vpp_ip_route import VppIpRoute, VppRoutePath
+
+
+class TestMemif(VppTestCase):
+ """ Memif Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ # fork new process before client connects to VPP
+ cls.remote_test = RemoteClass(RemoteVppTestCase)
+ cls.remote_test.start_remote()
+ cls.remote_test.set_request_timeout(10)
+ super(TestMemif, cls).setUpClass()
+ cls.remote_test.setUpClass(cls.tempdir)
+ cls.create_pg_interfaces(range(1))
+ for pg in cls.pg_interfaces:
+ pg.config_ip4()
+ pg.admin_up()
+ pg.resolve_arp()
+
+ @classmethod
+ def tearDownClass(cls):
+ cls.remote_test.tearDownClass()
+ cls.remote_test.quit_remote()
+ for pg in cls.pg_interfaces:
+ pg.unconfig_ip4()
+ pg.set_table_ip4(0)
+ pg.admin_down()
+ super(TestMemif, cls).tearDownClass()
+
+ def tearDown(self):
+ remove_all_memif_vpp_config(self)
+ remove_all_memif_vpp_config(self.remote_test)
+ super(TestMemif, self).tearDown()
+
+ def _check_socket_filename(self, dump, socket_id, filename):
+ for d in dump:
+ if (d.socket_id == socket_id) and (
+ d.socket_filename.rstrip(b"\0") == filename):
+ return True
+ return False
+
+ def test_memif_socket_filename_add_del(self):
+ """ Memif socket filename add/del """
+
+ # dump default socket filename
+ dump = self.vapi.memif_socket_filename_dump()
+ self.assertTrue(
+ self._check_socket_filename(
+ dump, 0, b"%s/memif.sock" % six.ensure_binary(
+ self.tempdir, encoding='utf-8')))
+
+ memif_sockets = []
+ # existing path
+ memif_sockets.append(
+ VppSocketFilename(
+ self, 1, b"%s/memif1.sock" % six.ensure_binary(
+ self.tempdir, encoding='utf-8')))
+ # default path (test tempdir)
+ memif_sockets.append(
+ VppSocketFilename(
+ self,
+ 2,
+ b"memif2.sock",
+ add_default_folder=True))
+ # create new folder in default folder
+ memif_sockets.append(
+ VppSocketFilename(
+ self,
+ 3,
+ b"sock/memif3.sock",
+ add_default_folder=True))
+
+ for sock in memif_sockets:
+ sock.add_vpp_config()
+ dump = sock.query_vpp_config()
+ self.assertTrue(
+ self._check_socket_filename(
+ dump,
+ sock.socket_id,
+ sock.socket_filename))
+
+ for sock in memif_sockets:
+ sock.remove_vpp_config()
+
+ dump = self.vapi.memif_socket_filename_dump()
+ self.assertTrue(
+ self._check_socket_filename(
+ dump, 0, b"%s/memif.sock" % six.ensure_binary(
+ self.tempdir, encoding='utf-8')))
+
+ def _create_delete_test_one_interface(self, memif):
+ memif.add_vpp_config()
+
+ dump = memif.query_vpp_config()
+
+ self.assertTrue(dump)
+ self.assertEqual(dump.sw_if_index, memif.sw_if_index)
+ self.assertEqual(dump.role, memif.role)
+ self.assertEqual(dump.mode, memif.mode)
+ if (memif.socket_id is not None):
+ self.assertEqual(dump.socket_id, memif.socket_id)
+
+ memif.remove_vpp_config()
+
+ dump = memif.query_vpp_config()
+
+ self.assertFalse(dump)
+
+ def _connect_test_one_interface(self, memif):
+ self.assertTrue(memif.wait_for_link_up(5))
+ dump = memif.query_vpp_config()
+
+ if memif.role == MEMIF_ROLE.SLAVE:
+ self.assertEqual(dump.ring_size, memif.ring_size)
+ self.assertEqual(dump.buffer_size, memif.buffer_size)
+ else:
+ self.assertEqual(dump.ring_size, 1)
+ self.assertEqual(dump.buffer_size, 0)
+
+ def _connect_test_interface_pair(self, memif0, memif1):
+ memif0.add_vpp_config()
+ memif1.add_vpp_config()
+
+ memif0.admin_up()
+ memif1.admin_up()
+
+ self._connect_test_one_interface(memif0)
+ self._connect_test_one_interface(memif1)
+
+ memif0.remove_vpp_config()
+ memif1.remove_vpp_config()
+
+ def test_memif_create_delete(self):
+ """ Memif create/delete interface """
+
+ memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
+ self._create_delete_test_one_interface(memif)
+ memif.role = MEMIF_ROLE.MASTER
+ self._create_delete_test_one_interface(memif)
+
+ def test_memif_create_custom_socket(self):
+ """ Memif create with non-default socket filename """
+
+ memif_sockets = []
+ # existing path
+ memif_sockets.append(
+ VppSocketFilename(
+ self, 1, b"%s/memif1.sock" % six.ensure_binary(
+ self.tempdir, encoding='utf-8')))
+ # default path (test tempdir)
+ memif_sockets.append(
+ VppSocketFilename(
+ self,
+ 2,
+ b"memif2.sock",
+ add_default_folder=True))
+ # create new folder in default folder
+ memif_sockets.append(
+ VppSocketFilename(
+ self,
+ 3,
+ b"sock/memif3.sock",
+ add_default_folder=True))
+
+ memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
+
+ for sock in memif_sockets:
+ sock.add_vpp_config()
+ memif.socket_id = sock.socket_id
+ memif.role = MEMIF_ROLE.SLAVE
+ self._create_delete_test_one_interface(memif)
+ memif.role = MEMIF_ROLE.MASTER
+ self._create_delete_test_one_interface(memif)
+
+ def test_memif_connect(self):
+ """ Memif connect """
+ memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET,
+ ring_size=1024, buffer_size=2048)
+
+ remote_socket = VppSocketFilename(self.remote_test, 1,
+ b"%s/memif.sock" % six.ensure_binary(
+ self.tempdir, encoding='utf-8'))
+ remote_socket.add_vpp_config()
+
+ remote_memif = VppMemif(self.remote_test, MEMIF_ROLE.MASTER,
+ MEMIF_MODE.ETHERNET, socket_id=1,
+ ring_size=1024, buffer_size=2048)
+
+ self._connect_test_interface_pair(memif, remote_memif)
+
+ memif.role = MEMIF_ROLE.MASTER
+ remote_memif.role = MEMIF_ROLE.SLAVE
+
+ self._connect_test_interface_pair(memif, remote_memif)
+
+ def _create_icmp(self, pg, memif, num):
+ pkts = []
+ for i in range(num):
+ pkt = (Ether(dst=pg.local_mac, src=pg.remote_mac) /
+ IP(src=pg.remote_ip4, dst=memif.ip_prefix.address) /
+ ICMP(id=memif.if_id, type='echo-request', seq=i))
+ pkts.append(pkt)
+ return pkts
+
+ def _verify_icmp(self, pg, memif, rx, seq):
+ ip = rx[IP]
+ self.assertEqual(ip.src, memif.ip_prefix.address)
+ self.assertEqual(ip.dst, pg.remote_ip4)
+ self.assertEqual(ip.proto, 1)
+ icmp = rx[ICMP]
+ self.assertEqual(icmp.type, 0) # echo-reply
+ self.assertEqual(icmp.id, memif.if_id)
+ self.assertEqual(icmp.seq, seq)
+
+ def test_memif_ping(self):
+ """ Memif ping """
+
+ memif = VppMemif(self, MEMIF_ROLE.SLAVE, MEMIF_MODE.ETHERNET)
+
+ remote_socket = VppSocketFilename(self.remote_test, 1,
+ b"%s/memif.sock" % six.ensure_binary(
+ self.tempdir, encoding='utf-8'))
+ remote_socket.add_vpp_config()
+
+ remote_memif = VppMemif(self.remote_test, MEMIF_ROLE.MASTER,
+ MEMIF_MODE.ETHERNET, socket_id=1)
+
+ memif.add_vpp_config()
+ memif.config_ip4()
+ memif.admin_up()
+
+ remote_memif.add_vpp_config()
+ remote_memif.config_ip4()
+ remote_memif.admin_up()
+
+ self.assertTrue(memif.wait_for_link_up(5))
+ self.assertTrue(remote_memif.wait_for_link_up(5))
+
+ # add routing to remote vpp
+ route = VppIpRoute(self.remote_test, self.pg0._local_ip4_subnet, 24,
+ [VppRoutePath(memif.ip_prefix.address, 0xffffffff)],
+ register=False)
+
+ route.add_vpp_config()
+
+ # create ICMP echo-request from local pg to remote memif
+ packet_num = 10
+ pkts = self._create_icmp(self.pg0, remote_memif, packet_num)
+
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(packet_num, timeout=2)
+ seq = 0
+ for c in capture:
+ self._verify_icmp(self.pg0, remote_memif, c, seq)
+ seq += 1
+
+ route.remove_vpp_config()
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/src/plugins/memif/test/vpp_memif.py b/src/plugins/memif/test/vpp_memif.py
new file mode 100644
index 00000000000..befcc2840c5
--- /dev/null
+++ b/src/plugins/memif/test/vpp_memif.py
@@ -0,0 +1,155 @@
+import socket
+
+import six
+
+from vpp_object import VppObject
+from vpp_ip import VppIpPrefix
+from vpp_papi import VppEnum
+
+
+class MEMIF_ROLE:
+ MASTER = 0
+ SLAVE = 1
+
+
+class MEMIF_MODE:
+ ETHERNET = 0
+ IP = 1
+ PUNT_INJECT = 2
+
+
+def get_if_dump(dump, sw_if_index):
+ for d in dump:
+ if (d.sw_if_index == sw_if_index):
+ return d
+
+
+def query_all_memif_vpp_config(_test):
+ return _test.vapi.memif_dump()
+
+
+def remove_all_memif_vpp_config(_test):
+ dump = _test.vapi.memif_dump()
+ for d in dump:
+ _test.vapi.memif_delete(d.sw_if_index)
+ dump = _test.vapi.memif_socket_filename_dump()
+ for d in dump:
+ if d.socket_id != 0:
+ _test.vapi.memif_socket_filename_add_del(
+ 0, d.socket_id, d.socket_filename)
+
+
+class VppSocketFilename(VppObject):
+ def __init__(self, test, socket_id, socket_filename,
+ add_default_folder=False):
+ self._test = test
+ self.socket_id = socket_id
+ self.socket_filename = socket_filename
+
+ # if True insert default socket folder before socket filename,
+ # after adding vpp config
+ self.add_default_folder = add_default_folder
+
+ def add_vpp_config(self):
+ rv = self._test.vapi.memif_socket_filename_add_del(
+ 1, self.socket_id, self.socket_filename)
+ if self.add_default_folder:
+ self.socket_filename = b"%s/%s" % (
+ six.ensure_binary(self._test.tempdir, encoding='utf-8'),
+ self.socket_filename)
+ return rv
+
+ def remove_vpp_config(self):
+ return self._test.vapi.memif_socket_filename_add_del(
+ 0, self.socket_id, self.socket_filename)
+
+ def query_vpp_config(self):
+ return self._test.vapi.memif_socket_filename_dump()
+
+ def object_id(self):
+ return "socket-filename-%d-%s" % (self.socket_id, self.socket_filename)
+
+
+class VppMemif(VppObject):
+ def __init__(self, test, role, mode, rx_queues=0, tx_queues=0, if_id=0,
+ socket_id=0, secret="", ring_size=0, buffer_size=0,
+ hw_addr=""):
+ self._test = test
+ self.role = role
+ self.mode = mode
+ self.rx_queues = rx_queues
+ self.tx_queues = tx_queues
+ self.if_id = if_id
+ self.socket_id = socket_id
+ self.secret = secret
+ self.ring_size = ring_size
+ self.buffer_size = buffer_size
+ self.hw_addr = hw_addr
+ self.sw_if_index = None
+ self.ip_prefix = VppIpPrefix("192.168.%d.%d" %
+ (self.if_id + 1, self.role + 1), 24)
+
+ def add_vpp_config(self):
+ rv = self._test.vapi.memif_create(
+ role=self.role,
+ mode=self.mode,
+ rx_queues=self.rx_queues,
+ tx_queues=self.tx_queues,
+ id=self.if_id,
+ socket_id=self.socket_id,
+ secret=self.secret,
+ ring_size=self.ring_size,
+ buffer_size=self.buffer_size,
+ hw_addr=self.hw_addr)
+ try:
+ self.sw_if_index = 0
+ except AttributeError:
+ raise AttributeError('self: %s' % self.__dict__)
+ try:
+ self.sw_if_index = rv.sw_if_index
+ except AttributeError:
+ raise AttributeError("%s %s", self, rv)
+
+ return self.sw_if_index
+
+ def admin_up(self):
+ if self.sw_if_index:
+ return self._test.vapi.sw_interface_set_flags(
+ sw_if_index=self.sw_if_index, flags=1)
+
+ def admin_down(self):
+ if self.sw_if_index:
+ return self._test.vapi.sw_interface_set_flags(
+ sw_if_index=self.sw_if_index, flags=0)
+
+ def wait_for_link_up(self, timeout, step=1):
+ if not self.sw_if_index:
+ return False
+ while True:
+ dump = self.query_vpp_config()
+ if dump.link_up_down == 1:
+ return True
+ self._test.sleep(step)
+ timeout -= step
+ if timeout <= 0:
+ return False
+
+ def config_ip4(self):
+ return self._test.vapi.sw_interface_add_del_address(
+ sw_if_index=self.sw_if_index, prefix=self.ip_prefix.encode())
+
+ def remove_vpp_config(self):
+ self._test.vapi.memif_delete(self.sw_if_index)
+ self.sw_if_index = None
+
+ def query_vpp_config(self):
+ if not self.sw_if_index:
+ return None
+ dump = self._test.vapi.memif_dump()
+ return get_if_dump(dump, self.sw_if_index)
+
+ def object_id(self):
+ if self.sw_if_index:
+ return "%d:%d:%d" % (self.role, self.if_id, self.sw_if_index)
+ else:
+ return "%d:%d:None" % (self.role, self.if_id)
diff --git a/src/plugins/nat/test/test_ipsec_nat.py b/src/plugins/nat/test/test_ipsec_nat.py
new file mode 100644
index 00000000000..07670d71b03
--- /dev/null
+++ b/src/plugins/nat/test/test_ipsec_nat.py
@@ -0,0 +1,271 @@
+#!/usr/bin/env python
+
+import socket
+
+import scapy.compat
+from scapy.layers.l2 import Ether
+from scapy.layers.inet import ICMP, IP, TCP, UDP
+from scapy.layers.ipsec import SecurityAssociation, ESP
+
+from util import ppp, ppc
+from template_ipsec import TemplateIpsec
+from vpp_ipsec import VppIpsecSA, VppIpsecSpd, VppIpsecSpdEntry,\
+ VppIpsecSpdItfBinding
+from vpp_ip_route import VppIpRoute, VppRoutePath
+from vpp_ip import DpoProto
+from vpp_papi import VppEnum
+
+
+class IPSecNATTestCase(TemplateIpsec):
+ """ IPSec/NAT
+ TUNNEL MODE:
+
+
+ public network | private network
+ --- encrypt --- plain ---
+ |pg0| <------- |VPP| <------ |pg1|
+ --- --- ---
+
+ --- decrypt --- plain ---
+ |pg0| -------> |VPP| ------> |pg1|
+ --- --- ---
+ """
+
+ tcp_port_in = 6303
+ tcp_port_out = 6303
+ udp_port_in = 6304
+ udp_port_out = 6304
+ icmp_id_in = 6305
+ icmp_id_out = 6305
+
+ @classmethod
+ def setUpClass(cls):
+ super(IPSecNATTestCase, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(IPSecNATTestCase, cls).tearDownClass()
+
+ def setUp(self):
+ super(IPSecNATTestCase, self).setUp()
+ self.tun_if = self.pg0
+
+ self.tun_spd = VppIpsecSpd(self, self.tun_spd_id)
+ self.tun_spd.add_vpp_config()
+ VppIpsecSpdItfBinding(self, self.tun_spd,
+ self.tun_if).add_vpp_config()
+
+ p = self.ipv4_params
+ self.config_esp_tun(p)
+ self.logger.info(self.vapi.ppcli("show ipsec all"))
+
+ d = DpoProto.DPO_PROTO_IP6 if p.is_ipv6 else DpoProto.DPO_PROTO_IP4
+ VppIpRoute(self, p.remote_tun_if_host, p.addr_len,
+ [VppRoutePath(self.tun_if.remote_addr[p.addr_type],
+ 0xffffffff,
+ proto=d)]).add_vpp_config()
+
+ def tearDown(self):
+ super(IPSecNATTestCase, self).tearDown()
+
+ def create_stream_plain(self, src_mac, dst_mac, src_ip, dst_ip):
+ return [
+ # TCP
+ Ether(src=src_mac, dst=dst_mac) /
+ IP(src=src_ip, dst=dst_ip) /
+ TCP(sport=self.tcp_port_in, dport=20),
+ # UDP
+ Ether(src=src_mac, dst=dst_mac) /
+ IP(src=src_ip, dst=dst_ip) /
+ UDP(sport=self.udp_port_in, dport=20),
+ # ICMP
+ Ether(src=src_mac, dst=dst_mac) /
+ IP(src=src_ip, dst=dst_ip) /
+ ICMP(id=self.icmp_id_in, type='echo-request')
+ ]
+
+ def create_stream_encrypted(self, src_mac, dst_mac, src_ip, dst_ip, sa):
+ return [
+ # TCP
+ Ether(src=src_mac, dst=dst_mac) /
+ sa.encrypt(IP(src=src_ip, dst=dst_ip) /
+ TCP(dport=self.tcp_port_out, sport=20)),
+ # UDP
+ Ether(src=src_mac, dst=dst_mac) /
+ sa.encrypt(IP(src=src_ip, dst=dst_ip) /
+ UDP(dport=self.udp_port_out, sport=20)),
+ # ICMP
+ Ether(src=src_mac, dst=dst_mac) /
+ sa.encrypt(IP(src=src_ip, dst=dst_ip) /
+ ICMP(id=self.icmp_id_out, type='echo-request'))
+ ]
+
+ def verify_capture_plain(self, capture):
+ for packet in capture:
+ try:
+ self.assert_packet_checksums_valid(packet)
+ self.assert_equal(packet[IP].src, self.tun_if.remote_ip4,
+ "decrypted packet source address")
+ self.assert_equal(packet[IP].dst, self.pg1.remote_ip4,
+ "decrypted packet destination address")
+ if packet.haslayer(TCP):
+ self.assertFalse(
+ packet.haslayer(UDP),
+ "unexpected UDP header in decrypted packet")
+ self.assert_equal(packet[TCP].dport, self.tcp_port_in,
+ "decrypted packet TCP destination port")
+ elif packet.haslayer(UDP):
+ if packet[UDP].payload:
+ self.assertFalse(
+ packet[UDP][1].haslayer(UDP),
+ "unexpected UDP header in decrypted packet")
+ self.assert_equal(packet[UDP].dport, self.udp_port_in,
+ "decrypted packet UDP destination port")
+ else:
+ self.assertFalse(
+ packet.haslayer(UDP),
+ "unexpected UDP header in decrypted packet")
+ self.assert_equal(packet[ICMP].id, self.icmp_id_in,
+ "decrypted packet ICMP ID")
+ except Exception:
+ self.logger.error(
+ ppp("Unexpected or invalid plain packet:", packet))
+ raise
+
+ def verify_capture_encrypted(self, capture, sa):
+ for packet in capture:
+ try:
+ copy = packet.__class__(scapy.compat.raw(packet))
+ del copy[UDP].len
+ copy = packet.__class__(scapy.compat.raw(copy))
+ self.assert_equal(packet[UDP].len, copy[UDP].len,
+ "UDP header length")
+ self.assert_packet_checksums_valid(packet)
+ self.assertIn(ESP, packet[IP])
+ decrypt_pkt = sa.decrypt(packet[IP])
+ self.assert_packet_checksums_valid(decrypt_pkt)
+ self.assert_equal(decrypt_pkt[IP].src, self.pg1.remote_ip4,
+ "encrypted packet source address")
+ self.assert_equal(decrypt_pkt[IP].dst, self.tun_if.remote_ip4,
+ "encrypted packet destination address")
+ except Exception:
+ self.logger.error(
+ ppp("Unexpected or invalid encrypted packet:", packet))
+ raise
+
+ def config_esp_tun(self, params):
+ addr_type = params.addr_type
+ scapy_tun_sa_id = params.scapy_tun_sa_id
+ scapy_tun_spi = params.scapy_tun_spi
+ vpp_tun_sa_id = params.vpp_tun_sa_id
+ vpp_tun_spi = params.vpp_tun_spi
+ auth_algo_vpp_id = params.auth_algo_vpp_id
+ auth_key = params.auth_key
+ crypt_algo_vpp_id = params.crypt_algo_vpp_id
+ crypt_key = params.crypt_key
+ addr_any = params.addr_any
+ addr_bcast = params.addr_bcast
+ flags = (VppEnum.vl_api_ipsec_sad_flags_t.
+ IPSEC_API_SAD_FLAG_UDP_ENCAP)
+ e = VppEnum.vl_api_ipsec_spd_action_t
+
+ VppIpsecSA(self, scapy_tun_sa_id, scapy_tun_spi,
+ auth_algo_vpp_id, auth_key,
+ crypt_algo_vpp_id, crypt_key,
+ self.vpp_esp_protocol,
+ self.pg1.remote_addr[addr_type],
+ self.tun_if.remote_addr[addr_type],
+ flags=flags).add_vpp_config()
+ VppIpsecSA(self, vpp_tun_sa_id, vpp_tun_spi,
+ auth_algo_vpp_id, auth_key,
+ crypt_algo_vpp_id, crypt_key,
+ self.vpp_esp_protocol,
+ self.tun_if.remote_addr[addr_type],
+ self.pg1.remote_addr[addr_type],
+ flags=flags).add_vpp_config()
+
+ VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id,
+ addr_any, addr_bcast,
+ addr_any, addr_bcast,
+ socket.IPPROTO_ESP).add_vpp_config()
+ VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id,
+ addr_any, addr_bcast,
+ addr_any, addr_bcast,
+ socket.IPPROTO_ESP,
+ is_outbound=0).add_vpp_config()
+ VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id,
+ addr_any, addr_bcast,
+ addr_any, addr_bcast,
+ socket.IPPROTO_UDP,
+ remote_port_start=4500,
+ remote_port_stop=4500).add_vpp_config()
+ VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id,
+ addr_any, addr_bcast,
+ addr_any, addr_bcast,
+ socket.IPPROTO_UDP,
+ remote_port_start=4500,
+ remote_port_stop=4500,
+ is_outbound=0).add_vpp_config()
+ VppIpsecSpdEntry(self, self.tun_spd, vpp_tun_sa_id,
+ self.tun_if.remote_addr[addr_type],
+ self.tun_if.remote_addr[addr_type],
+ self.pg1.remote_addr[addr_type],
+ self.pg1.remote_addr[addr_type],
+ 0, priority=10,
+ policy=e.IPSEC_API_SPD_ACTION_PROTECT,
+ is_outbound=0).add_vpp_config()
+ VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id,
+ self.pg1.remote_addr[addr_type],
+ self.pg1.remote_addr[addr_type],
+ self.tun_if.remote_addr[addr_type],
+ self.tun_if.remote_addr[addr_type],
+ 0, policy=e.IPSEC_API_SPD_ACTION_PROTECT,
+ priority=10).add_vpp_config()
+
+ def test_ipsec_nat_tun(self):
+ """ IPSec/NAT tunnel test case """
+ p = self.ipv4_params
+ scapy_tun_sa = SecurityAssociation(ESP, spi=p.scapy_tun_spi,
+ crypt_algo=p.crypt_algo,
+ crypt_key=p.crypt_key,
+ auth_algo=p.auth_algo,
+ auth_key=p.auth_key,
+ tunnel_header=IP(
+ src=self.pg1.remote_ip4,
+ dst=self.tun_if.remote_ip4),
+ nat_t_header=UDP(
+ sport=4500,
+ dport=4500))
+ # in2out - from private network to public
+ pkts = self.create_stream_plain(
+ self.pg1.remote_mac, self.pg1.local_mac,
+ self.pg1.remote_ip4, self.tun_if.remote_ip4)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.tun_if.get_capture(len(pkts))
+ self.verify_capture_encrypted(capture, scapy_tun_sa)
+
+ vpp_tun_sa = SecurityAssociation(ESP,
+ spi=p.vpp_tun_spi,
+ crypt_algo=p.crypt_algo,
+ crypt_key=p.crypt_key,
+ auth_algo=p.auth_algo,
+ auth_key=p.auth_key,
+ tunnel_header=IP(
+ src=self.tun_if.remote_ip4,
+ dst=self.pg1.remote_ip4),
+ nat_t_header=UDP(
+ sport=4500,
+ dport=4500))
+
+ # out2in - from public network to private
+ pkts = self.create_stream_encrypted(
+ self.tun_if.remote_mac, self.tun_if.local_mac,
+ self.tun_if.remote_ip4, self.pg1.remote_ip4, vpp_tun_sa)
+ self.logger.info(ppc("Sending packets:", pkts))
+ self.tun_if.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_plain(capture)
diff --git a/src/plugins/nat/test/test_nat.py b/src/plugins/nat/test/test_nat.py
new file mode 100644
index 00000000000..a64b5709c72
--- /dev/null
+++ b/src/plugins/nat/test/test_nat.py
@@ -0,0 +1,9575 @@
+#!/usr/bin/env python
+
+import socket
+import unittest
+import struct
+import random
+
+from framework import VppTestCase, VppTestRunner, running_extended_tests
+
+import scapy.compat
+from scapy.layers.inet import IP, TCP, UDP, ICMP
+from scapy.layers.inet import IPerror, TCPerror, UDPerror, ICMPerror
+from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest, ICMPv6EchoReply, \
+ ICMPv6ND_NS, ICMPv6ND_NA, ICMPv6NDOptDstLLAddr, fragment6
+from scapy.layers.inet6 import ICMPv6DestUnreach, IPerror6, IPv6ExtHdrFragment
+from scapy.layers.l2 import Ether, ARP, GRE
+from scapy.data import IP_PROTOS
+from scapy.packet import bind_layers, Raw
+from util import ppp
+from ipfix import IPFIX, Set, Template, Data, IPFIXDecoder
+from time import sleep
+from util import ip4_range
+from vpp_papi import mac_pton
+from syslog_rfc5424_parser import SyslogMessage, ParseError
+from syslog_rfc5424_parser.constants import SyslogFacility, SyslogSeverity
+from io import BytesIO
+from vpp_papi import VppEnum
+from vpp_ip_route import VppIpRoute, VppRoutePath, FibPathType
+from vpp_neighbor import VppNeighbor
+from vpp_ip import VppIpAddress, VppIpPrefix
+from scapy.all import bind_layers, Packet, ByteEnumField, ShortField, \
+ IPField, IntField, LongField, XByteField, FlagsField, FieldLenField, \
+ PacketListField
+from ipaddress import IPv6Network
+
+
+# NAT HA protocol event data
+class Event(Packet):
+ name = "Event"
+ fields_desc = [ByteEnumField("event_type", None,
+ {1: "add", 2: "del", 3: "refresh"}),
+ ByteEnumField("protocol", None,
+ {0: "udp", 1: "tcp", 2: "icmp"}),
+ ShortField("flags", 0),
+ IPField("in_addr", None),
+ IPField("out_addr", None),
+ ShortField("in_port", None),
+ ShortField("out_port", None),
+ IPField("eh_addr", None),
+ IPField("ehn_addr", None),
+ ShortField("eh_port", None),
+ ShortField("ehn_port", None),
+ IntField("fib_index", None),
+ IntField("total_pkts", 0),
+ LongField("total_bytes", 0)]
+
+ def extract_padding(self, s):
+ return "", s
+
+
+# NAT HA protocol header
+class HANATStateSync(Packet):
+ name = "HA NAT state sync"
+ fields_desc = [XByteField("version", 1),
+ FlagsField("flags", 0, 8, ['ACK']),
+ FieldLenField("count", None, count_of="events"),
+ IntField("sequence_number", 1),
+ IntField("thread_index", 0),
+ PacketListField("events", [], Event,
+ count_from=lambda pkt: pkt.count)]
+
+
+class MethodHolder(VppTestCase):
+ """ NAT create capture and verify method holder """
+
+ @property
+ def config_flags(self):
+ return VppEnum.vl_api_nat_config_flags_t
+
+ @property
+ def SYSLOG_SEVERITY(self):
+ return VppEnum.vl_api_syslog_severity_t
+
+ def clear_nat44(self):
+ """
+ Clear NAT44 configuration.
+ """
+ if hasattr(self, 'pg7') and hasattr(self, 'pg8'):
+ if self.pg7.has_ip4_config:
+ self.pg7.unconfig_ip4()
+
+ self.vapi.nat44_forwarding_enable_disable(enable=0)
+
+ interfaces = self.vapi.nat44_interface_addr_dump()
+ for intf in interfaces:
+ self.vapi.nat44_add_del_interface_addr(
+ is_add=0,
+ sw_if_index=intf.sw_if_index,
+ flags=intf.flags)
+
+ self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
+ src_port=self.ipfix_src_port,
+ enable=0)
+ self.ipfix_src_port = 4739
+ self.ipfix_domain_id = 1
+
+ self.vapi.syslog_set_filter(
+ self.SYSLOG_SEVERITY.SYSLOG_API_SEVERITY_EMERG)
+
+ self.vapi.nat_ha_set_listener(ip_address='0.0.0.0', port=0,
+ path_mtu=512)
+ self.vapi.nat_ha_set_failover(ip_address='0.0.0.0', port=0,
+ session_refresh_interval=10)
+
+ interfaces = self.vapi.nat44_interface_dump()
+ for intf in interfaces:
+ if intf.flags & self.config_flags.NAT_IS_INSIDE and \
+ intf.flags & self.config_flags.NAT_IS_OUTSIDE:
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=intf.sw_if_index)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=intf.sw_if_index,
+ flags=intf.flags)
+
+ interfaces = self.vapi.nat44_interface_output_feature_dump()
+ for intf in interfaces:
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=0,
+ flags=intf.flags,
+ sw_if_index=intf.sw_if_index)
+ static_mappings = self.vapi.nat44_static_mapping_dump()
+ for sm in static_mappings:
+ self.vapi.nat44_add_del_static_mapping(
+ is_add=0,
+ local_ip_address=sm.local_ip_address,
+ external_ip_address=sm.external_ip_address,
+ external_sw_if_index=sm.external_sw_if_index,
+ local_port=sm.local_port,
+ external_port=sm.external_port,
+ vrf_id=sm.vrf_id,
+ protocol=sm.protocol,
+ flags=sm.flags, tag=sm.tag)
+
+ lb_static_mappings = self.vapi.nat44_lb_static_mapping_dump()
+ for lb_sm in lb_static_mappings:
+ self.vapi.nat44_add_del_lb_static_mapping(
+ is_add=0,
+ flags=lb_sm.flags,
+ external_addr=lb_sm.external_addr,
+ external_port=lb_sm.external_port,
+ protocol=lb_sm.protocol,
+ local_num=0, locals=[],
+ tag=lb_sm.tag)
+
+ identity_mappings = self.vapi.nat44_identity_mapping_dump()
+ for id_m in identity_mappings:
+ self.vapi.nat44_add_del_identity_mapping(
+ ip_address=id_m.ip_address,
+ sw_if_index=id_m.sw_if_index,
+ port=id_m.port,
+ flags=id_m.flags,
+ vrf_id=id_m.vrf_id,
+ protocol=id_m.protocol)
+
+ addresses = self.vapi.nat44_address_dump()
+ for addr in addresses:
+ self.vapi.nat44_add_del_address_range(
+ first_ip_address=addr.ip_address,
+ last_ip_address=addr.ip_address,
+ vrf_id=0xFFFFFFFF, flags=addr.flags)
+
+ self.vapi.nat_set_reass(timeout=2, max_reass=1024, max_frag=5,
+ drop_frag=0)
+ self.vapi.nat_set_reass(timeout=2, max_reass=1024, max_frag=5,
+ drop_frag=0, is_ip6=1)
+ self.verify_no_nat44_user()
+ self.vapi.nat_set_timeouts(udp=300, tcp_established=7440,
+ tcp_transitory=240, icmp=60)
+ self.vapi.nat_set_addr_and_port_alloc_alg()
+ self.vapi.nat_set_mss_clamping(enable=0, mss_value=1500)
+
+ def nat44_add_static_mapping(self, local_ip, external_ip='0.0.0.0',
+ local_port=0, external_port=0, vrf_id=0,
+ is_add=1, external_sw_if_index=0xFFFFFFFF,
+ proto=0, tag="", flags=0):
+ """
+ Add/delete NAT44 static mapping
+
+ :param local_ip: Local IP address
+ :param external_ip: External IP address
+ :param local_port: Local port number (Optional)
+ :param external_port: External port number (Optional)
+ :param vrf_id: VRF ID (Default 0)
+ :param is_add: 1 if add, 0 if delete (Default add)
+ :param external_sw_if_index: External interface instead of IP address
+ :param proto: IP protocol (Mandatory if port specified)
+ :param tag: Opaque string tag
+ :param flags: NAT configuration flags
+ """
+
+ if not (local_port and external_port):
+ flags |= self.config_flags.NAT_IS_ADDR_ONLY
+
+ self.vapi.nat44_add_del_static_mapping(
+ is_add=is_add,
+ local_ip_address=local_ip,
+ external_ip_address=external_ip,
+ external_sw_if_index=external_sw_if_index,
+ local_port=local_port,
+ external_port=external_port,
+ vrf_id=vrf_id, protocol=proto,
+ flags=flags,
+ tag=tag)
+
+ def nat44_add_address(self, ip, is_add=1, vrf_id=0xFFFFFFFF, twice_nat=0):
+ """
+ Add/delete NAT44 address
+
+ :param ip: IP address
+ :param is_add: 1 if add, 0 if delete (Default add)
+ :param twice_nat: twice NAT address for external hosts
+ """
+ flags = self.config_flags.NAT_IS_TWICE_NAT if twice_nat else 0
+ self.vapi.nat44_add_del_address_range(first_ip_address=ip,
+ last_ip_address=ip,
+ vrf_id=vrf_id,
+ is_add=is_add,
+ flags=flags)
+
+ def create_stream_in(self, in_if, out_if, dst_ip=None, ttl=64):
+ """
+ Create packet stream for inside network
+
+ :param in_if: Inside interface
+ :param out_if: Outside interface
+ :param dst_ip: Destination address
+ :param ttl: TTL of generated packets
+ """
+ if dst_ip is None:
+ dst_ip = out_if.remote_ip4
+
+ pkts = []
+ # TCP
+ p = (Ether(dst=in_if.local_mac, src=in_if.remote_mac) /
+ IP(src=in_if.remote_ip4, dst=dst_ip, ttl=ttl) /
+ TCP(sport=self.tcp_port_in, dport=20))
+ pkts.append(p)
+
+ # UDP
+ p = (Ether(dst=in_if.local_mac, src=in_if.remote_mac) /
+ IP(src=in_if.remote_ip4, dst=dst_ip, ttl=ttl) /
+ UDP(sport=self.udp_port_in, dport=20))
+ pkts.append(p)
+
+ # ICMP
+ p = (Ether(dst=in_if.local_mac, src=in_if.remote_mac) /
+ IP(src=in_if.remote_ip4, dst=dst_ip, ttl=ttl) /
+ ICMP(id=self.icmp_id_in, type='echo-request'))
+ pkts.append(p)
+
+ return pkts
+
+ def compose_ip6(self, ip4, pref, plen):
+ """
+ Compose IPv4-embedded IPv6 addresses
+
+ :param ip4: IPv4 address
+ :param pref: IPv6 prefix
+ :param plen: IPv6 prefix length
+ :returns: IPv4-embedded IPv6 addresses
+ """
+ pref_n = list(socket.inet_pton(socket.AF_INET6, pref))
+ ip4_n = list(socket.inet_pton(socket.AF_INET, ip4))
+ if plen == 32:
+ pref_n[4] = ip4_n[0]
+ pref_n[5] = ip4_n[1]
+ pref_n[6] = ip4_n[2]
+ pref_n[7] = ip4_n[3]
+ elif plen == 40:
+ pref_n[5] = ip4_n[0]
+ pref_n[6] = ip4_n[1]
+ pref_n[7] = ip4_n[2]
+ pref_n[9] = ip4_n[3]
+ elif plen == 48:
+ pref_n[6] = ip4_n[0]
+ pref_n[7] = ip4_n[1]
+ pref_n[9] = ip4_n[2]
+ pref_n[10] = ip4_n[3]
+ elif plen == 56:
+ pref_n[7] = ip4_n[0]
+ pref_n[9] = ip4_n[1]
+ pref_n[10] = ip4_n[2]
+ pref_n[11] = ip4_n[3]
+ elif plen == 64:
+ pref_n[9] = ip4_n[0]
+ pref_n[10] = ip4_n[1]
+ pref_n[11] = ip4_n[2]
+ pref_n[12] = ip4_n[3]
+ elif plen == 96:
+ pref_n[12] = ip4_n[0]
+ pref_n[13] = ip4_n[1]
+ pref_n[14] = ip4_n[2]
+ pref_n[15] = ip4_n[3]
+ packed_pref_n = b''.join([scapy.compat.chb(x) for x in pref_n])
+ return socket.inet_ntop(socket.AF_INET6, packed_pref_n)
+
+ def extract_ip4(self, ip6, plen):
+ """
+ Extract IPv4 address embedded in IPv6 addresses
+
+ :param ip6: IPv6 address
+ :param plen: IPv6 prefix length
+ :returns: extracted IPv4 address
+ """
+ ip6_n = list(socket.inet_pton(socket.AF_INET6, ip6))
+ ip4_n = [None] * 4
+ if plen == 32:
+ ip4_n[0] = ip6_n[4]
+ ip4_n[1] = ip6_n[5]
+ ip4_n[2] = ip6_n[6]
+ ip4_n[3] = ip6_n[7]
+ elif plen == 40:
+ ip4_n[0] = ip6_n[5]
+ ip4_n[1] = ip6_n[6]
+ ip4_n[2] = ip6_n[7]
+ ip4_n[3] = ip6_n[9]
+ elif plen == 48:
+ ip4_n[0] = ip6_n[6]
+ ip4_n[1] = ip6_n[7]
+ ip4_n[2] = ip6_n[9]
+ ip4_n[3] = ip6_n[10]
+ elif plen == 56:
+ ip4_n[0] = ip6_n[7]
+ ip4_n[1] = ip6_n[9]
+ ip4_n[2] = ip6_n[10]
+ ip4_n[3] = ip6_n[11]
+ elif plen == 64:
+ ip4_n[0] = ip6_n[9]
+ ip4_n[1] = ip6_n[10]
+ ip4_n[2] = ip6_n[11]
+ ip4_n[3] = ip6_n[12]
+ elif plen == 96:
+ ip4_n[0] = ip6_n[12]
+ ip4_n[1] = ip6_n[13]
+ ip4_n[2] = ip6_n[14]
+ ip4_n[3] = ip6_n[15]
+ return socket.inet_ntop(socket.AF_INET, ''.join(ip4_n))
+
+ def create_stream_in_ip6(self, in_if, out_if, hlim=64, pref=None, plen=0):
+ """
+ Create IPv6 packet stream for inside network
+
+ :param in_if: Inside interface
+ :param out_if: Outside interface
+ :param ttl: Hop Limit of generated packets
+ :param pref: NAT64 prefix
+ :param plen: NAT64 prefix length
+ """
+ pkts = []
+ if pref is None:
+ dst = ''.join(['64:ff9b::', out_if.remote_ip4])
+ else:
+ dst = self.compose_ip6(out_if.remote_ip4, pref, plen)
+
+ # TCP
+ p = (Ether(dst=in_if.local_mac, src=in_if.remote_mac) /
+ IPv6(src=in_if.remote_ip6, dst=dst, hlim=hlim) /
+ TCP(sport=self.tcp_port_in, dport=20))
+ pkts.append(p)
+
+ # UDP
+ p = (Ether(dst=in_if.local_mac, src=in_if.remote_mac) /
+ IPv6(src=in_if.remote_ip6, dst=dst, hlim=hlim) /
+ UDP(sport=self.udp_port_in, dport=20))
+ pkts.append(p)
+
+ # ICMP
+ p = (Ether(dst=in_if.local_mac, src=in_if.remote_mac) /
+ IPv6(src=in_if.remote_ip6, dst=dst, hlim=hlim) /
+ ICMPv6EchoRequest(id=self.icmp_id_in))
+ pkts.append(p)
+
+ return pkts
+
+ def create_stream_out(self, out_if, dst_ip=None, ttl=64,
+ use_inside_ports=False):
+ """
+ Create packet stream for outside network
+
+ :param out_if: Outside interface
+ :param dst_ip: Destination IP address (Default use global NAT address)
+ :param ttl: TTL of generated packets
+ :param use_inside_ports: Use inside NAT ports as destination ports
+ instead of outside ports
+ """
+ if dst_ip is None:
+ dst_ip = self.nat_addr
+ if not use_inside_ports:
+ tcp_port = self.tcp_port_out
+ udp_port = self.udp_port_out
+ icmp_id = self.icmp_id_out
+ else:
+ tcp_port = self.tcp_port_in
+ udp_port = self.udp_port_in
+ icmp_id = self.icmp_id_in
+ pkts = []
+ # TCP
+ p = (Ether(dst=out_if.local_mac, src=out_if.remote_mac) /
+ IP(src=out_if.remote_ip4, dst=dst_ip, ttl=ttl) /
+ TCP(dport=tcp_port, sport=20))
+ pkts.append(p)
+
+ # UDP
+ p = (Ether(dst=out_if.local_mac, src=out_if.remote_mac) /
+ IP(src=out_if.remote_ip4, dst=dst_ip, ttl=ttl) /
+ UDP(dport=udp_port, sport=20))
+ pkts.append(p)
+
+ # ICMP
+ p = (Ether(dst=out_if.local_mac, src=out_if.remote_mac) /
+ IP(src=out_if.remote_ip4, dst=dst_ip, ttl=ttl) /
+ ICMP(id=icmp_id, type='echo-reply'))
+ pkts.append(p)
+
+ return pkts
+
+ def create_stream_out_ip6(self, out_if, src_ip, dst_ip, hl=64):
+ """
+ Create packet stream for outside network
+
+ :param out_if: Outside interface
+ :param dst_ip: Destination IP address (Default use global NAT address)
+ :param hl: HL of generated packets
+ """
+ pkts = []
+ # TCP
+ p = (Ether(dst=out_if.local_mac, src=out_if.remote_mac) /
+ IPv6(src=src_ip, dst=dst_ip, hlim=hl) /
+ TCP(dport=self.tcp_port_out, sport=20))
+ pkts.append(p)
+
+ # UDP
+ p = (Ether(dst=out_if.local_mac, src=out_if.remote_mac) /
+ IPv6(src=src_ip, dst=dst_ip, hlim=hl) /
+ UDP(dport=self.udp_port_out, sport=20))
+ pkts.append(p)
+
+ # ICMP
+ p = (Ether(dst=out_if.local_mac, src=out_if.remote_mac) /
+ IPv6(src=src_ip, dst=dst_ip, hlim=hl) /
+ ICMPv6EchoReply(id=self.icmp_id_out))
+ pkts.append(p)
+
+ return pkts
+
+ def verify_capture_out(self, capture, nat_ip=None, same_port=False,
+ dst_ip=None, is_ip6=False):
+ """
+ Verify captured packets on outside network
+
+ :param capture: Captured packets
+ :param nat_ip: Translated IP address (Default use global NAT address)
+ :param same_port: Source port number is not translated (Default False)
+ :param dst_ip: Destination IP address (Default do not verify)
+ :param is_ip6: If L3 protocol is IPv6 (Default False)
+ """
+ if is_ip6:
+ IP46 = IPv6
+ ICMP46 = ICMPv6EchoRequest
+ else:
+ IP46 = IP
+ ICMP46 = ICMP
+ if nat_ip is None:
+ nat_ip = self.nat_addr
+ for packet in capture:
+ try:
+ if not is_ip6:
+ self.assert_packet_checksums_valid(packet)
+ self.assertEqual(packet[IP46].src, nat_ip)
+ if dst_ip is not None:
+ self.assertEqual(packet[IP46].dst, dst_ip)
+ if packet.haslayer(TCP):
+ if same_port:
+ self.assertEqual(packet[TCP].sport, self.tcp_port_in)
+ else:
+ self.assertNotEqual(
+ packet[TCP].sport, self.tcp_port_in)
+ self.tcp_port_out = packet[TCP].sport
+ self.assert_packet_checksums_valid(packet)
+ elif packet.haslayer(UDP):
+ if same_port:
+ self.assertEqual(packet[UDP].sport, self.udp_port_in)
+ else:
+ self.assertNotEqual(
+ packet[UDP].sport, self.udp_port_in)
+ self.udp_port_out = packet[UDP].sport
+ else:
+ if same_port:
+ self.assertEqual(packet[ICMP46].id, self.icmp_id_in)
+ else:
+ self.assertNotEqual(packet[ICMP46].id, self.icmp_id_in)
+ self.icmp_id_out = packet[ICMP46].id
+ self.assert_packet_checksums_valid(packet)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet "
+ "(outside network):", packet))
+ raise
+
+ def verify_capture_out_ip6(self, capture, nat_ip, same_port=False,
+ dst_ip=None):
+ """
+ Verify captured packets on outside network
+
+ :param capture: Captured packets
+ :param nat_ip: Translated IP address
+ :param same_port: Source port number is not translated (Default False)
+ :param dst_ip: Destination IP address (Default do not verify)
+ """
+ return self.verify_capture_out(capture, nat_ip, same_port, dst_ip,
+ True)
+
+ def verify_capture_in(self, capture, in_if):
+ """
+ Verify captured packets on inside network
+
+ :param capture: Captured packets
+ :param in_if: Inside interface
+ """
+ for packet in capture:
+ try:
+ self.assert_packet_checksums_valid(packet)
+ self.assertEqual(packet[IP].dst, in_if.remote_ip4)
+ if packet.haslayer(TCP):
+ self.assertEqual(packet[TCP].dport, self.tcp_port_in)
+ elif packet.haslayer(UDP):
+ self.assertEqual(packet[UDP].dport, self.udp_port_in)
+ else:
+ self.assertEqual(packet[ICMP].id, self.icmp_id_in)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet "
+ "(inside network):", packet))
+ raise
+
+ def verify_capture_in_ip6(self, capture, src_ip, dst_ip):
+ """
+ Verify captured IPv6 packets on inside network
+
+ :param capture: Captured packets
+ :param src_ip: Source IP
+ :param dst_ip: Destination IP address
+ """
+ for packet in capture:
+ try:
+ self.assertEqual(packet[IPv6].src, src_ip)
+ self.assertEqual(packet[IPv6].dst, dst_ip)
+ self.assert_packet_checksums_valid(packet)
+ if packet.haslayer(TCP):
+ self.assertEqual(packet[TCP].dport, self.tcp_port_in)
+ elif packet.haslayer(UDP):
+ self.assertEqual(packet[UDP].dport, self.udp_port_in)
+ else:
+ self.assertEqual(packet[ICMPv6EchoReply].id,
+ self.icmp_id_in)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet "
+ "(inside network):", packet))
+ raise
+
+ def verify_capture_no_translation(self, capture, ingress_if, egress_if):
+ """
+ Verify captured packet that don't have to be translated
+
+ :param capture: Captured packets
+ :param ingress_if: Ingress interface
+ :param egress_if: Egress interface
+ """
+ for packet in capture:
+ try:
+ self.assertEqual(packet[IP].src, ingress_if.remote_ip4)
+ self.assertEqual(packet[IP].dst, egress_if.remote_ip4)
+ if packet.haslayer(TCP):
+ self.assertEqual(packet[TCP].sport, self.tcp_port_in)
+ elif packet.haslayer(UDP):
+ self.assertEqual(packet[UDP].sport, self.udp_port_in)
+ else:
+ self.assertEqual(packet[ICMP].id, self.icmp_id_in)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet "
+ "(inside network):", packet))
+ raise
+
+ def verify_capture_out_with_icmp_errors(self, capture, src_ip=None,
+ icmp_type=11):
+ """
+ Verify captured packets with ICMP errors on outside network
+
+ :param capture: Captured packets
+ :param src_ip: Translated IP address or IP address of VPP
+ (Default use global NAT address)
+ :param icmp_type: Type of error ICMP packet
+ we are expecting (Default 11)
+ """
+ if src_ip is None:
+ src_ip = self.nat_addr
+ for packet in capture:
+ try:
+ self.assertEqual(packet[IP].src, src_ip)
+ self.assertEqual(packet.haslayer(ICMP), 1)
+ icmp = packet[ICMP]
+ self.assertEqual(icmp.type, icmp_type)
+ self.assertTrue(icmp.haslayer(IPerror))
+ inner_ip = icmp[IPerror]
+ if inner_ip.haslayer(TCPerror):
+ self.assertEqual(inner_ip[TCPerror].dport,
+ self.tcp_port_out)
+ elif inner_ip.haslayer(UDPerror):
+ self.assertEqual(inner_ip[UDPerror].dport,
+ self.udp_port_out)
+ else:
+ self.assertEqual(inner_ip[ICMPerror].id, self.icmp_id_out)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet "
+ "(outside network):", packet))
+ raise
+
+ def verify_capture_in_with_icmp_errors(self, capture, in_if, icmp_type=11):
+ """
+ Verify captured packets with ICMP errors on inside network
+
+ :param capture: Captured packets
+ :param in_if: Inside interface
+ :param icmp_type: Type of error ICMP packet
+ we are expecting (Default 11)
+ """
+ for packet in capture:
+ try:
+ self.assertEqual(packet[IP].dst, in_if.remote_ip4)
+ self.assertEqual(packet.haslayer(ICMP), 1)
+ icmp = packet[ICMP]
+ self.assertEqual(icmp.type, icmp_type)
+ self.assertTrue(icmp.haslayer(IPerror))
+ inner_ip = icmp[IPerror]
+ if inner_ip.haslayer(TCPerror):
+ self.assertEqual(inner_ip[TCPerror].sport,
+ self.tcp_port_in)
+ elif inner_ip.haslayer(UDPerror):
+ self.assertEqual(inner_ip[UDPerror].sport,
+ self.udp_port_in)
+ else:
+ self.assertEqual(inner_ip[ICMPerror].id, self.icmp_id_in)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet "
+ "(inside network):", packet))
+ raise
+
+ def create_stream_frag(self, src_if, dst, sport, dport, data,
+ proto=IP_PROTOS.tcp, echo_reply=False):
+ """
+ Create fragmented packet stream
+
+ :param src_if: Source interface
+ :param dst: Destination IPv4 address
+ :param sport: Source port
+ :param dport: Destination port
+ :param data: Payload data
+ :param proto: protocol (TCP, UDP, ICMP)
+ :param echo_reply: use echo_reply if protocol is ICMP
+ :returns: Fragments
+ """
+ if proto == IP_PROTOS.tcp:
+ p = (IP(src=src_if.remote_ip4, dst=dst) /
+ TCP(sport=sport, dport=dport) /
+ Raw(data))
+ p = p.__class__(scapy.compat.raw(p))
+ chksum = p[TCP].chksum
+ proto_header = TCP(sport=sport, dport=dport, chksum=chksum)
+ elif proto == IP_PROTOS.udp:
+ proto_header = UDP(sport=sport, dport=dport)
+ elif proto == IP_PROTOS.icmp:
+ if not echo_reply:
+ proto_header = ICMP(id=sport, type='echo-request')
+ else:
+ proto_header = ICMP(id=sport, type='echo-reply')
+ else:
+ raise Exception("Unsupported protocol")
+ id = random.randint(0, 65535)
+ pkts = []
+ if proto == IP_PROTOS.tcp:
+ raw = Raw(data[0:4])
+ else:
+ raw = Raw(data[0:16])
+ p = (Ether(src=src_if.remote_mac, dst=src_if.local_mac) /
+ IP(src=src_if.remote_ip4, dst=dst, flags="MF", frag=0, id=id) /
+ proto_header /
+ raw)
+ pkts.append(p)
+ if proto == IP_PROTOS.tcp:
+ raw = Raw(data[4:20])
+ else:
+ raw = Raw(data[16:32])
+ p = (Ether(src=src_if.remote_mac, dst=src_if.local_mac) /
+ IP(src=src_if.remote_ip4, dst=dst, flags="MF", frag=3, id=id,
+ proto=proto) /
+ raw)
+ pkts.append(p)
+ if proto == IP_PROTOS.tcp:
+ raw = Raw(data[20:])
+ else:
+ raw = Raw(data[32:])
+ p = (Ether(src=src_if.remote_mac, dst=src_if.local_mac) /
+ IP(src=src_if.remote_ip4, dst=dst, frag=5, proto=proto,
+ id=id) /
+ raw)
+ pkts.append(p)
+ return pkts
+
+ def create_stream_frag_ip6(self, src_if, dst, sport, dport, data,
+ pref=None, plen=0, frag_size=128):
+ """
+ Create fragmented packet stream
+
+ :param src_if: Source interface
+ :param dst: Destination IPv4 address
+ :param sport: Source TCP port
+ :param dport: Destination TCP port
+ :param data: Payload data
+ :param pref: NAT64 prefix
+ :param plen: NAT64 prefix length
+ :param fragsize: size of fragments
+ :returns: Fragments
+ """
+ if pref is None:
+ dst_ip6 = ''.join(['64:ff9b::', dst])
+ else:
+ dst_ip6 = self.compose_ip6(dst, pref, plen)
+
+ p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
+ IPv6(src=src_if.remote_ip6, dst=dst_ip6) /
+ IPv6ExtHdrFragment(id=random.randint(0, 65535)) /
+ TCP(sport=sport, dport=dport) /
+ Raw(data))
+
+ return fragment6(p, frag_size)
+
+ def reass_frags_and_verify(self, frags, src, dst):
+ """
+ Reassemble and verify fragmented packet
+
+ :param frags: Captured fragments
+ :param src: Source IPv4 address to verify
+ :param dst: Destination IPv4 address to verify
+
+ :returns: Reassembled IPv4 packet
+ """
+ buffer = BytesIO()
+ for p in frags:
+ self.assertEqual(p[IP].src, src)
+ self.assertEqual(p[IP].dst, dst)
+ self.assert_ip_checksum_valid(p)
+ buffer.seek(p[IP].frag * 8)
+ buffer.write(bytes(p[IP].payload))
+ ip = IP(src=frags[0][IP].src, dst=frags[0][IP].dst,
+ proto=frags[0][IP].proto)
+ if ip.proto == IP_PROTOS.tcp:
+ p = (ip / TCP(buffer.getvalue()))
+ self.assert_tcp_checksum_valid(p)
+ elif ip.proto == IP_PROTOS.udp:
+ p = (ip / UDP(buffer.getvalue()[:8]) /
+ Raw(buffer.getvalue()[8:]))
+ elif ip.proto == IP_PROTOS.icmp:
+ p = (ip / ICMP(buffer.getvalue()))
+ return p
+
+ def reass_frags_and_verify_ip6(self, frags, src, dst):
+ """
+ Reassemble and verify fragmented packet
+
+ :param frags: Captured fragments
+ :param src: Source IPv6 address to verify
+ :param dst: Destination IPv6 address to verify
+
+ :returns: Reassembled IPv6 packet
+ """
+ buffer = BytesIO()
+ for p in frags:
+ self.assertEqual(p[IPv6].src, src)
+ self.assertEqual(p[IPv6].dst, dst)
+ buffer.seek(p[IPv6ExtHdrFragment].offset * 8)
+ buffer.write(bytes(p[IPv6ExtHdrFragment].payload))
+ ip = IPv6(src=frags[0][IPv6].src, dst=frags[0][IPv6].dst,
+ nh=frags[0][IPv6ExtHdrFragment].nh)
+ if ip.nh == IP_PROTOS.tcp:
+ p = (ip / TCP(buffer.getvalue()))
+ elif ip.nh == IP_PROTOS.udp:
+ p = (ip / UDP(buffer.getvalue()))
+ self.assert_packet_checksums_valid(p)
+ return p
+
+ def initiate_tcp_session(self, in_if, out_if):
+ """
+ Initiates TCP session
+
+ :param in_if: Inside interface
+ :param out_if: Outside interface
+ """
+ try:
+ # SYN packet in->out
+ p = (Ether(src=in_if.remote_mac, dst=in_if.local_mac) /
+ IP(src=in_if.remote_ip4, dst=out_if.remote_ip4) /
+ TCP(sport=self.tcp_port_in, dport=self.tcp_external_port,
+ flags="S"))
+ in_if.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = out_if.get_capture(1)
+ p = capture[0]
+ self.tcp_port_out = p[TCP].sport
+
+ # SYN + ACK packet out->in
+ p = (Ether(src=out_if.remote_mac, dst=out_if.local_mac) /
+ IP(src=out_if.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=self.tcp_external_port, dport=self.tcp_port_out,
+ flags="SA"))
+ out_if.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ in_if.get_capture(1)
+
+ # ACK packet in->out
+ p = (Ether(src=in_if.remote_mac, dst=in_if.local_mac) /
+ IP(src=in_if.remote_ip4, dst=out_if.remote_ip4) /
+ TCP(sport=self.tcp_port_in, dport=self.tcp_external_port,
+ flags="A"))
+ in_if.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ out_if.get_capture(1)
+
+ except:
+ self.logger.error("TCP 3 way handshake failed")
+ raise
+
+ def verify_ipfix_nat44_ses(self, data):
+ """
+ Verify IPFIX NAT44 session create/delete event
+
+ :param data: Decoded IPFIX data records
+ """
+ nat44_ses_create_num = 0
+ nat44_ses_delete_num = 0
+ self.assertEqual(6, len(data))
+ for record in data:
+ # natEvent
+ self.assertIn(scapy.compat.orb(record[230]), [4, 5])
+ if scapy.compat.orb(record[230]) == 4:
+ nat44_ses_create_num += 1
+ else:
+ nat44_ses_delete_num += 1
+ # sourceIPv4Address
+ self.assertEqual(self.pg0.remote_ip4n, record[8])
+ # postNATSourceIPv4Address
+ self.assertEqual(socket.inet_pton(socket.AF_INET, self.nat_addr),
+ record[225])
+ # ingressVRFID
+ self.assertEqual(struct.pack("!I", 0), record[234])
+ # protocolIdentifier/sourceTransportPort
+ # /postNAPTSourceTransportPort
+ if IP_PROTOS.icmp == scapy.compat.orb(record[4]):
+ self.assertEqual(struct.pack("!H", self.icmp_id_in), record[7])
+ self.assertEqual(struct.pack("!H", self.icmp_id_out),
+ record[227])
+ elif IP_PROTOS.tcp == scapy.compat.orb(record[4]):
+ self.assertEqual(struct.pack("!H", self.tcp_port_in),
+ record[7])
+ self.assertEqual(struct.pack("!H", self.tcp_port_out),
+ record[227])
+ elif IP_PROTOS.udp == scapy.compat.orb(record[4]):
+ self.assertEqual(struct.pack("!H", self.udp_port_in),
+ record[7])
+ self.assertEqual(struct.pack("!H", self.udp_port_out),
+ record[227])
+ else:
+ self.fail("Invalid protocol")
+ self.assertEqual(3, nat44_ses_create_num)
+ self.assertEqual(3, nat44_ses_delete_num)
+
+ def verify_ipfix_addr_exhausted(self, data):
+ """
+ Verify IPFIX NAT addresses event
+
+ :param data: Decoded IPFIX data records
+ """
+ self.assertEqual(1, len(data))
+ record = data[0]
+ # natEvent
+ self.assertEqual(scapy.compat.orb(record[230]), 3)
+ # natPoolID
+ self.assertEqual(struct.pack("!I", 0), record[283])
+
+ def verify_ipfix_max_sessions(self, data, limit):
+ """
+ Verify IPFIX maximum session entries exceeded event
+
+ :param data: Decoded IPFIX data records
+ :param limit: Number of maximum session entries that can be created.
+ """
+ self.assertEqual(1, len(data))
+ record = data[0]
+ # natEvent
+ self.assertEqual(scapy.compat.orb(record[230]), 13)
+ # natQuotaExceededEvent
+ self.assertEqual(struct.pack("I", 1), record[466])
+ # maxSessionEntries
+ self.assertEqual(struct.pack("I", limit), record[471])
+
+ def verify_ipfix_max_bibs(self, data, limit):
+ """
+ Verify IPFIX maximum BIB entries exceeded event
+
+ :param data: Decoded IPFIX data records
+ :param limit: Number of maximum BIB entries that can be created.
+ """
+ self.assertEqual(1, len(data))
+ record = data[0]
+ # natEvent
+ self.assertEqual(scapy.compat.orb(record[230]), 13)
+ # natQuotaExceededEvent
+ self.assertEqual(struct.pack("I", 2), record[466])
+ # maxBIBEntries
+ self.assertEqual(struct.pack("I", limit), record[472])
+
+ def verify_ipfix_max_fragments_ip6(self, data, limit, src_addr):
+ """
+ Verify IPFIX maximum IPv6 fragments pending reassembly exceeded event
+
+ :param data: Decoded IPFIX data records
+ :param limit: Number of maximum fragments pending reassembly
+ :param src_addr: IPv6 source address
+ """
+ self.assertEqual(1, len(data))
+ record = data[0]
+ # natEvent
+ self.assertEqual(scapy.compat.orb(record[230]), 13)
+ # natQuotaExceededEvent
+ self.assertEqual(struct.pack("I", 5), record[466])
+ # maxFragmentsPendingReassembly
+ self.assertEqual(struct.pack("I", limit), record[475])
+ # sourceIPv6Address
+ self.assertEqual(src_addr, record[27])
+
+ def verify_ipfix_max_fragments_ip4(self, data, limit, src_addr):
+ """
+ Verify IPFIX maximum IPv4 fragments pending reassembly exceeded event
+
+ :param data: Decoded IPFIX data records
+ :param limit: Number of maximum fragments pending reassembly
+ :param src_addr: IPv4 source address
+ """
+ self.assertEqual(1, len(data))
+ record = data[0]
+ # natEvent
+ self.assertEqual(scapy.compat.orb(record[230]), 13)
+ # natQuotaExceededEvent
+ self.assertEqual(struct.pack("I", 5), record[466])
+ # maxFragmentsPendingReassembly
+ self.assertEqual(struct.pack("I", limit), record[475])
+ # sourceIPv4Address
+ self.assertEqual(src_addr, record[8])
+
+ def verify_ipfix_bib(self, data, is_create, src_addr):
+ """
+ Verify IPFIX NAT64 BIB create and delete events
+
+ :param data: Decoded IPFIX data records
+ :param is_create: Create event if nonzero value otherwise delete event
+ :param src_addr: IPv6 source address
+ """
+ self.assertEqual(1, len(data))
+ record = data[0]
+ # natEvent
+ if is_create:
+ self.assertEqual(scapy.compat.orb(record[230]), 10)
+ else:
+ self.assertEqual(scapy.compat.orb(record[230]), 11)
+ # sourceIPv6Address
+ self.assertEqual(src_addr, record[27])
+ # postNATSourceIPv4Address
+ self.assertEqual(self.nat_addr_n, record[225])
+ # protocolIdentifier
+ self.assertEqual(IP_PROTOS.tcp, scapy.compat.orb(record[4]))
+ # ingressVRFID
+ self.assertEqual(struct.pack("!I", 0), record[234])
+ # sourceTransportPort
+ self.assertEqual(struct.pack("!H", self.tcp_port_in), record[7])
+ # postNAPTSourceTransportPort
+ self.assertEqual(struct.pack("!H", self.tcp_port_out), record[227])
+
+ def verify_ipfix_nat64_ses(self, data, is_create, src_addr, dst_addr,
+ dst_port):
+ """
+ Verify IPFIX NAT64 session create and delete events
+
+ :param data: Decoded IPFIX data records
+ :param is_create: Create event if nonzero value otherwise delete event
+ :param src_addr: IPv6 source address
+ :param dst_addr: IPv4 destination address
+ :param dst_port: destination TCP port
+ """
+ self.assertEqual(1, len(data))
+ record = data[0]
+ # natEvent
+ if is_create:
+ self.assertEqual(scapy.compat.orb(record[230]), 6)
+ else:
+ self.assertEqual(scapy.compat.orb(record[230]), 7)
+ # sourceIPv6Address
+ self.assertEqual(src_addr, record[27])
+ # destinationIPv6Address
+ self.assertEqual(socket.inet_pton(socket.AF_INET6,
+ self.compose_ip6(dst_addr,
+ '64:ff9b::',
+ 96)),
+ record[28])
+ # postNATSourceIPv4Address
+ self.assertEqual(self.nat_addr_n, record[225])
+ # postNATDestinationIPv4Address
+ self.assertEqual(socket.inet_pton(socket.AF_INET, dst_addr),
+ record[226])
+ # protocolIdentifier
+ self.assertEqual(IP_PROTOS.tcp, scapy.compat.orb(record[4]))
+ # ingressVRFID
+ self.assertEqual(struct.pack("!I", 0), record[234])
+ # sourceTransportPort
+ self.assertEqual(struct.pack("!H", self.tcp_port_in), record[7])
+ # postNAPTSourceTransportPort
+ self.assertEqual(struct.pack("!H", self.tcp_port_out), record[227])
+ # destinationTransportPort
+ self.assertEqual(struct.pack("!H", dst_port), record[11])
+ # postNAPTDestinationTransportPort
+ self.assertEqual(struct.pack("!H", dst_port), record[228])
+
+ def verify_no_nat44_user(self):
+ """ Verify that there is no NAT44 user """
+ users = self.vapi.nat44_user_dump()
+ self.assertEqual(len(users), 0)
+ users = self.statistics.get_counter('/nat44/total-users')
+ self.assertEqual(users[0][0], 0)
+ sessions = self.statistics.get_counter('/nat44/total-sessions')
+ self.assertEqual(sessions[0][0], 0)
+
+ def verify_ipfix_max_entries_per_user(self, data, limit, src_addr):
+ """
+ Verify IPFIX maximum entries per user exceeded event
+
+ :param data: Decoded IPFIX data records
+ :param limit: Number of maximum entries per user
+ :param src_addr: IPv4 source address
+ """
+ self.assertEqual(1, len(data))
+ record = data[0]
+ # natEvent
+ self.assertEqual(scapy.compat.orb(record[230]), 13)
+ # natQuotaExceededEvent
+ self.assertEqual(struct.pack("I", 3), record[466])
+ # maxEntriesPerUser
+ self.assertEqual(struct.pack("I", limit), record[473])
+ # sourceIPv4Address
+ self.assertEqual(src_addr, record[8])
+
+ def verify_syslog_apmap(self, data, is_add=True):
+ message = data.decode('utf-8')
+ try:
+ message = SyslogMessage.parse(message)
+ except ParseError as e:
+ self.logger.error(e)
+ raise
+ else:
+ self.assertEqual(message.severity, SyslogSeverity.info)
+ self.assertEqual(message.appname, 'NAT')
+ self.assertEqual(message.msgid, 'APMADD' if is_add else 'APMDEL')
+ sd_params = message.sd.get('napmap')
+ self.assertTrue(sd_params is not None)
+ self.assertEqual(sd_params.get('IATYP'), 'IPv4')
+ self.assertEqual(sd_params.get('ISADDR'), self.pg0.remote_ip4)
+ self.assertEqual(sd_params.get('ISPORT'), "%d" % self.tcp_port_in)
+ self.assertEqual(sd_params.get('XATYP'), 'IPv4')
+ self.assertEqual(sd_params.get('XSADDR'), self.nat_addr)
+ self.assertEqual(sd_params.get('XSPORT'), "%d" % self.tcp_port_out)
+ self.assertEqual(sd_params.get('PROTO'), "%d" % IP_PROTOS.tcp)
+ self.assertTrue(sd_params.get('SSUBIX') is not None)
+ self.assertEqual(sd_params.get('SVLAN'), '0')
+
+ def verify_syslog_sess(self, data, is_add=True, is_ip6=False):
+ message = data.decode('utf-8')
+ try:
+ message = SyslogMessage.parse(message)
+ except ParseError as e:
+ self.logger.error(e)
+ raise
+ else:
+ self.assertEqual(message.severity, SyslogSeverity.info)
+ self.assertEqual(message.appname, 'NAT')
+ self.assertEqual(message.msgid, 'SADD' if is_add else 'SDEL')
+ sd_params = message.sd.get('nsess')
+ self.assertTrue(sd_params is not None)
+ if is_ip6:
+ self.assertEqual(sd_params.get('IATYP'), 'IPv6')
+ self.assertEqual(sd_params.get('ISADDR'), self.pg0.remote_ip6)
+ else:
+ self.assertEqual(sd_params.get('IATYP'), 'IPv4')
+ self.assertEqual(sd_params.get('ISADDR'), self.pg0.remote_ip4)
+ self.assertTrue(sd_params.get('SSUBIX') is not None)
+ self.assertEqual(sd_params.get('ISPORT'), "%d" % self.tcp_port_in)
+ self.assertEqual(sd_params.get('XATYP'), 'IPv4')
+ self.assertEqual(sd_params.get('XSADDR'), self.nat_addr)
+ self.assertEqual(sd_params.get('XSPORT'), "%d" % self.tcp_port_out)
+ self.assertEqual(sd_params.get('PROTO'), "%d" % IP_PROTOS.tcp)
+ self.assertEqual(sd_params.get('SVLAN'), '0')
+ self.assertEqual(sd_params.get('XDADDR'), self.pg1.remote_ip4)
+ self.assertEqual(sd_params.get('XDPORT'),
+ "%d" % self.tcp_external_port)
+
+ def verify_mss_value(self, pkt, mss):
+ """
+ Verify TCP MSS value
+
+ :param pkt:
+ :param mss:
+ """
+ if not pkt.haslayer(IP) or not pkt.haslayer(TCP):
+ raise TypeError("Not a TCP/IP packet")
+
+ for option in pkt[TCP].options:
+ if option[0] == 'MSS':
+ self.assertEqual(option[1], mss)
+ self.assert_tcp_checksum_valid(pkt)
+
+ @staticmethod
+ def proto2layer(proto):
+ if proto == IP_PROTOS.tcp:
+ return TCP
+ elif proto == IP_PROTOS.udp:
+ return UDP
+ elif proto == IP_PROTOS.icmp:
+ return ICMP
+ else:
+ raise Exception("Unsupported protocol")
+
+ def frag_in_order(self, proto=IP_PROTOS.tcp, dont_translate=False):
+ layer = self.proto2layer(proto)
+
+ if proto == IP_PROTOS.tcp:
+ data = b"A" * 4 + b"B" * 16 + b"C" * 3
+ else:
+ data = b"A" * 16 + b"B" * 16 + b"C" * 3
+ self.port_in = random.randint(1025, 65535)
+
+ reass = self.vapi.nat_reass_dump()
+ reass_n_start = len(reass)
+
+ # in2out
+ pkts = self.create_stream_frag(self.pg0,
+ self.pg1.remote_ip4,
+ self.port_in,
+ 20,
+ data,
+ proto)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ frags = self.pg1.get_capture(len(pkts))
+ if not dont_translate:
+ p = self.reass_frags_and_verify(frags,
+ self.nat_addr,
+ self.pg1.remote_ip4)
+ else:
+ p = self.reass_frags_and_verify(frags,
+ self.pg0.remote_ip4,
+ self.pg1.remote_ip4)
+ if proto != IP_PROTOS.icmp:
+ if not dont_translate:
+ self.assertEqual(p[layer].dport, 20)
+ self.assertNotEqual(p[layer].sport, self.port_in)
+ else:
+ self.assertEqual(p[layer].sport, self.port_in)
+ else:
+ if not dont_translate:
+ self.assertNotEqual(p[layer].id, self.port_in)
+ else:
+ self.assertEqual(p[layer].id, self.port_in)
+ self.assertEqual(data, p[Raw].load)
+
+ # out2in
+ if not dont_translate:
+ dst_addr = self.nat_addr
+ else:
+ dst_addr = self.pg0.remote_ip4
+ if proto != IP_PROTOS.icmp:
+ sport = 20
+ dport = p[layer].sport
+ else:
+ sport = p[layer].id
+ dport = 0
+ pkts = self.create_stream_frag(self.pg1,
+ dst_addr,
+ sport,
+ dport,
+ data,
+ proto,
+ echo_reply=True)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ frags = self.pg0.get_capture(len(pkts))
+ p = self.reass_frags_and_verify(frags,
+ self.pg1.remote_ip4,
+ self.pg0.remote_ip4)
+ if proto != IP_PROTOS.icmp:
+ self.assertEqual(p[layer].sport, 20)
+ self.assertEqual(p[layer].dport, self.port_in)
+ else:
+ self.assertEqual(p[layer].id, self.port_in)
+ self.assertEqual(data, p[Raw].load)
+
+ reass = self.vapi.nat_reass_dump()
+ reass_n_end = len(reass)
+
+ self.assertEqual(reass_n_end - reass_n_start, 2)
+
+ def frag_in_order_in_plus_out(self, proto=IP_PROTOS.tcp):
+ layer = self.proto2layer(proto)
+
+ if proto == IP_PROTOS.tcp:
+ data = b"A" * 4 + b"B" * 16 + b"C" * 3
+ else:
+ data = b"A" * 16 + b"B" * 16 + b"C" * 3
+ self.port_in = random.randint(1025, 65535)
+
+ for i in range(2):
+ reass = self.vapi.nat_reass_dump()
+ reass_n_start = len(reass)
+
+ # out2in
+ pkts = self.create_stream_frag(self.pg0,
+ self.server_out_addr,
+ self.port_in,
+ self.server_out_port,
+ data,
+ proto)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ frags = self.pg1.get_capture(len(pkts))
+ p = self.reass_frags_and_verify(frags,
+ self.pg0.remote_ip4,
+ self.server_in_addr)
+ if proto != IP_PROTOS.icmp:
+ self.assertEqual(p[layer].sport, self.port_in)
+ self.assertEqual(p[layer].dport, self.server_in_port)
+ else:
+ self.assertEqual(p[layer].id, self.port_in)
+ self.assertEqual(data, p[Raw].load)
+
+ # in2out
+ if proto != IP_PROTOS.icmp:
+ pkts = self.create_stream_frag(self.pg1,
+ self.pg0.remote_ip4,
+ self.server_in_port,
+ p[layer].sport,
+ data,
+ proto)
+ else:
+ pkts = self.create_stream_frag(self.pg1,
+ self.pg0.remote_ip4,
+ p[layer].id,
+ 0,
+ data,
+ proto,
+ echo_reply=True)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ frags = self.pg0.get_capture(len(pkts))
+ p = self.reass_frags_and_verify(frags,
+ self.server_out_addr,
+ self.pg0.remote_ip4)
+ if proto != IP_PROTOS.icmp:
+ self.assertEqual(p[layer].sport, self.server_out_port)
+ self.assertEqual(p[layer].dport, self.port_in)
+ else:
+ self.assertEqual(p[layer].id, self.port_in)
+ self.assertEqual(data, p[Raw].load)
+
+ reass = self.vapi.nat_reass_dump()
+ reass_n_end = len(reass)
+
+ self.assertEqual(reass_n_end - reass_n_start, 2)
+
+ def reass_hairpinning(self, proto=IP_PROTOS.tcp):
+ layer = self.proto2layer(proto)
+
+ if proto == IP_PROTOS.tcp:
+ data = b"A" * 4 + b"B" * 16 + b"C" * 3
+ else:
+ data = b"A" * 16 + b"B" * 16 + b"C" * 3
+
+ # send packet from host to server
+ pkts = self.create_stream_frag(self.pg0,
+ self.nat_addr,
+ self.host_in_port,
+ self.server_out_port,
+ data,
+ proto)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ frags = self.pg0.get_capture(len(pkts))
+ p = self.reass_frags_and_verify(frags,
+ self.nat_addr,
+ self.server.ip4)
+ if proto != IP_PROTOS.icmp:
+ self.assertNotEqual(p[layer].sport, self.host_in_port)
+ self.assertEqual(p[layer].dport, self.server_in_port)
+ else:
+ self.assertNotEqual(p[layer].id, self.host_in_port)
+ self.assertEqual(data, p[Raw].load)
+
+ def frag_out_of_order(self, proto=IP_PROTOS.tcp, dont_translate=False):
+ layer = self.proto2layer(proto)
+
+ if proto == IP_PROTOS.tcp:
+ data = b"A" * 4 + b"B" * 16 + b"C" * 3
+ else:
+ data = b"A" * 16 + b"B" * 16 + b"C" * 3
+ self.port_in = random.randint(1025, 65535)
+
+ for i in range(2):
+ # in2out
+ pkts = self.create_stream_frag(self.pg0,
+ self.pg1.remote_ip4,
+ self.port_in,
+ 20,
+ data,
+ proto)
+ pkts.reverse()
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ frags = self.pg1.get_capture(len(pkts))
+ if not dont_translate:
+ p = self.reass_frags_and_verify(frags,
+ self.nat_addr,
+ self.pg1.remote_ip4)
+ else:
+ p = self.reass_frags_and_verify(frags,
+ self.pg0.remote_ip4,
+ self.pg1.remote_ip4)
+ if proto != IP_PROTOS.icmp:
+ if not dont_translate:
+ self.assertEqual(p[layer].dport, 20)
+ self.assertNotEqual(p[layer].sport, self.port_in)
+ else:
+ self.assertEqual(p[layer].sport, self.port_in)
+ else:
+ if not dont_translate:
+ self.assertNotEqual(p[layer].id, self.port_in)
+ else:
+ self.assertEqual(p[layer].id, self.port_in)
+ self.assertEqual(data, p[Raw].load)
+
+ # out2in
+ if not dont_translate:
+ dst_addr = self.nat_addr
+ else:
+ dst_addr = self.pg0.remote_ip4
+ if proto != IP_PROTOS.icmp:
+ sport = 20
+ dport = p[layer].sport
+ else:
+ sport = p[layer].id
+ dport = 0
+ pkts = self.create_stream_frag(self.pg1,
+ dst_addr,
+ sport,
+ dport,
+ data,
+ proto,
+ echo_reply=True)
+ pkts.reverse()
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ frags = self.pg0.get_capture(len(pkts))
+ p = self.reass_frags_and_verify(frags,
+ self.pg1.remote_ip4,
+ self.pg0.remote_ip4)
+ if proto != IP_PROTOS.icmp:
+ self.assertEqual(p[layer].sport, 20)
+ self.assertEqual(p[layer].dport, self.port_in)
+ else:
+ self.assertEqual(p[layer].id, self.port_in)
+ self.assertEqual(data, p[Raw].load)
+
+ def frag_out_of_order_in_plus_out(self, proto=IP_PROTOS.tcp):
+ layer = self.proto2layer(proto)
+
+ if proto == IP_PROTOS.tcp:
+ data = b"A" * 4 + b"B" * 16 + b"C" * 3
+ else:
+ data = b"A" * 16 + b"B" * 16 + b"C" * 3
+ self.port_in = random.randint(1025, 65535)
+
+ for i in range(2):
+ # out2in
+ pkts = self.create_stream_frag(self.pg0,
+ self.server_out_addr,
+ self.port_in,
+ self.server_out_port,
+ data,
+ proto)
+ pkts.reverse()
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ frags = self.pg1.get_capture(len(pkts))
+ p = self.reass_frags_and_verify(frags,
+ self.pg0.remote_ip4,
+ self.server_in_addr)
+ if proto != IP_PROTOS.icmp:
+ self.assertEqual(p[layer].dport, self.server_in_port)
+ self.assertEqual(p[layer].sport, self.port_in)
+ self.assertEqual(p[layer].dport, self.server_in_port)
+ else:
+ self.assertEqual(p[layer].id, self.port_in)
+ self.assertEqual(data, p[Raw].load)
+
+ # in2out
+ if proto != IP_PROTOS.icmp:
+ pkts = self.create_stream_frag(self.pg1,
+ self.pg0.remote_ip4,
+ self.server_in_port,
+ p[layer].sport,
+ data,
+ proto)
+ else:
+ pkts = self.create_stream_frag(self.pg1,
+ self.pg0.remote_ip4,
+ p[layer].id,
+ 0,
+ data,
+ proto,
+ echo_reply=True)
+ pkts.reverse()
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ frags = self.pg0.get_capture(len(pkts))
+ p = self.reass_frags_and_verify(frags,
+ self.server_out_addr,
+ self.pg0.remote_ip4)
+ if proto != IP_PROTOS.icmp:
+ self.assertEqual(p[layer].sport, self.server_out_port)
+ self.assertEqual(p[layer].dport, self.port_in)
+ else:
+ self.assertEqual(p[layer].id, self.port_in)
+ self.assertEqual(data, p[Raw].load)
+
+
+class TestNAT44(MethodHolder):
+ """ NAT44 Test Cases """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestNAT44, cls).setUpClass()
+ cls.vapi.cli("set log class nat level debug")
+
+ try:
+ cls.tcp_port_in = 6303
+ cls.tcp_port_out = 6303
+ cls.udp_port_in = 6304
+ cls.udp_port_out = 6304
+ cls.icmp_id_in = 6305
+ cls.icmp_id_out = 6305
+ cls.nat_addr = '10.0.0.3'
+ cls.ipfix_src_port = 4739
+ cls.ipfix_domain_id = 1
+ cls.tcp_external_port = 80
+ cls.udp_external_port = 69
+
+ cls.create_pg_interfaces(range(10))
+ cls.interfaces = list(cls.pg_interfaces[0:4])
+
+ for i in cls.interfaces:
+ i.admin_up()
+ i.config_ip4()
+ i.resolve_arp()
+
+ cls.pg0.generate_remote_hosts(3)
+ cls.pg0.configure_ipv4_neighbors()
+
+ cls.pg1.generate_remote_hosts(1)
+ cls.pg1.configure_ipv4_neighbors()
+
+ cls.overlapping_interfaces = list(list(cls.pg_interfaces[4:7]))
+ cls.vapi.ip_table_add_del(is_add=1, table_id=10)
+ cls.vapi.ip_table_add_del(is_add=1, table_id=20)
+
+ cls.pg4._local_ip4 = VppIpPrefix("172.16.255.1",
+ cls.pg4.local_ip4_prefix.len)
+ cls.pg4._remote_hosts[0]._ip4 = "172.16.255.2"
+ cls.pg4.set_table_ip4(10)
+ cls.pg5._local_ip4 = VppIpPrefix("172.17.255.3",
+ cls.pg5.local_ip4_prefix.len)
+ cls.pg5._remote_hosts[0]._ip4 = "172.17.255.4"
+ cls.pg5.set_table_ip4(10)
+ cls.pg6._local_ip4 = VppIpPrefix("172.16.255.1",
+ cls.pg6.local_ip4_prefix.len)
+ cls.pg6._remote_hosts[0]._ip4 = "172.16.255.2"
+ cls.pg6.set_table_ip4(20)
+ for i in cls.overlapping_interfaces:
+ i.config_ip4()
+ i.admin_up()
+ i.resolve_arp()
+
+ cls.pg7.admin_up()
+ cls.pg8.admin_up()
+
+ cls.pg9.generate_remote_hosts(2)
+ cls.pg9.config_ip4()
+ cls.vapi.sw_interface_add_del_address(
+ sw_if_index=cls.pg9.sw_if_index,
+ prefix=VppIpPrefix("10.0.0.1", 24).encode())
+
+ cls.pg9.admin_up()
+ cls.pg9.resolve_arp()
+ cls.pg9._remote_hosts[1]._ip4 = cls.pg9._remote_hosts[0]._ip4
+ cls.pg4._remote_ip4 = cls.pg9._remote_hosts[0]._ip4 = "10.0.0.2"
+ cls.pg9.resolve_arp()
+
+ except Exception:
+ super(TestNAT44, cls).tearDownClass()
+ raise
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestNAT44, cls).tearDownClass()
+
+ def test_dynamic(self):
+ """ NAT44 dynamic translation test """
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # in2out
+ tcpn = self.statistics.get_err_counter(
+ '/err/nat44-in2out-slowpath/TCP packets')
+ udpn = self.statistics.get_err_counter(
+ '/err/nat44-in2out-slowpath/UDP packets')
+ icmpn = self.statistics.get_err_counter(
+ '/err/nat44-in2out-slowpath/ICMP packets')
+ totaln = self.statistics.get_err_counter(
+ '/err/nat44-in2out-slowpath/good in2out packets processed')
+
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+
+ err = self.statistics.get_err_counter(
+ '/err/nat44-in2out-slowpath/TCP packets')
+ self.assertEqual(err - tcpn, 1)
+ err = self.statistics.get_err_counter(
+ '/err/nat44-in2out-slowpath/UDP packets')
+ self.assertEqual(err - udpn, 1)
+ err = self.statistics.get_err_counter(
+ '/err/nat44-in2out-slowpath/ICMP packets')
+ self.assertEqual(err - icmpn, 1)
+ err = self.statistics.get_err_counter(
+ '/err/nat44-in2out-slowpath/good in2out packets processed')
+ self.assertEqual(err - totaln, 3)
+
+ # out2in
+ tcpn = self.statistics.get_err_counter('/err/nat44-out2in/TCP packets')
+ udpn = self.statistics.get_err_counter('/err/nat44-out2in/UDP packets')
+ icmpn = self.statistics.get_err_counter(
+ '/err/nat44-out2in/ICMP packets')
+ totaln = self.statistics.get_err_counter(
+ '/err/nat44-out2in/good out2in packets processed')
+
+ pkts = self.create_stream_out(self.pg1)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ err = self.statistics.get_err_counter('/err/nat44-out2in/TCP packets')
+ self.assertEqual(err - tcpn, 1)
+ err = self.statistics.get_err_counter('/err/nat44-out2in/UDP packets')
+ self.assertEqual(err - udpn, 1)
+ err = self.statistics.get_err_counter('/err/nat44-out2in/ICMP packets')
+ self.assertEqual(err - icmpn, 1)
+ err = self.statistics.get_err_counter(
+ '/err/nat44-out2in/good out2in packets processed')
+ self.assertEqual(err - totaln, 3)
+
+ users = self.statistics.get_counter('/nat44/total-users')
+ self.assertEqual(users[0][0], 1)
+ sessions = self.statistics.get_counter('/nat44/total-sessions')
+ self.assertEqual(sessions[0][0], 3)
+
+ def test_dynamic_icmp_errors_in2out_ttl_1(self):
+ """ NAT44 handling of client packets with TTL=1 """
+
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # Client side - generate traffic
+ pkts = self.create_stream_in(self.pg0, self.pg1, ttl=1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # Client side - verify ICMP type 11 packets
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in_with_icmp_errors(capture, self.pg0)
+
+ def test_dynamic_icmp_errors_out2in_ttl_1(self):
+ """ NAT44 handling of server packets with TTL=1 """
+
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # Client side - create sessions
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # Server side - generate traffic
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+ pkts = self.create_stream_out(self.pg1, ttl=1)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # Server side - verify ICMP type 11 packets
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out_with_icmp_errors(capture,
+ src_ip=self.pg1.local_ip4)
+
+ def test_dynamic_icmp_errors_in2out_ttl_2(self):
+ """ NAT44 handling of error responses to client packets with TTL=2 """
+
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # Client side - generate traffic
+ pkts = self.create_stream_in(self.pg0, self.pg1, ttl=2)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # Server side - simulate ICMP type 11 response
+ capture = self.pg1.get_capture(len(pkts))
+ pkts = [Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ ICMP(type=11) / packet[IP] for packet in capture]
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # Client side - verify ICMP type 11 packets
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in_with_icmp_errors(capture, self.pg0)
+
+ def test_dynamic_icmp_errors_out2in_ttl_2(self):
+ """ NAT44 handling of error responses to server packets with TTL=2 """
+
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # Client side - create sessions
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # Server side - generate traffic
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+ pkts = self.create_stream_out(self.pg1, ttl=2)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # Client side - simulate ICMP type 11 response
+ capture = self.pg0.get_capture(len(pkts))
+ pkts = [Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ ICMP(type=11) / packet[IP] for packet in capture]
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # Server side - verify ICMP type 11 packets
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out_with_icmp_errors(capture)
+
+ def test_ping_out_interface_from_outside(self):
+ """ Ping NAT44 out interface from outside network """
+
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.pg1.local_ip4) /
+ ICMP(id=self.icmp_id_out, type='echo-request'))
+ pkts = [p]
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ packet = capture[0]
+ try:
+ self.assertEqual(packet[IP].src, self.pg1.local_ip4)
+ self.assertEqual(packet[IP].dst, self.pg1.remote_ip4)
+ self.assertEqual(packet[ICMP].id, self.icmp_id_in)
+ self.assertEqual(packet[ICMP].type, 0) # echo reply
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet "
+ "(outside network):", packet))
+ raise
+
+ def test_ping_internal_host_from_outside(self):
+ """ Ping internal host from outside network """
+
+ self.nat44_add_static_mapping(self.pg0.remote_ip4, self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # out2in
+ pkt = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr, ttl=64) /
+ ICMP(id=self.icmp_id_out, type='echo-request'))
+ self.pg1.add_stream(pkt)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ self.verify_capture_in(capture, self.pg0)
+ self.assert_equal(capture[0][IP].proto, IP_PROTOS.icmp)
+
+ # in2out
+ pkt = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4, ttl=64) /
+ ICMP(id=self.icmp_id_in, type='echo-reply'))
+ self.pg0.add_stream(pkt)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ self.verify_capture_out(capture, same_port=True)
+ self.assert_equal(capture[0][IP].proto, IP_PROTOS.icmp)
+
+ def test_forwarding(self):
+ """ NAT44 forwarding test """
+
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
+
+ real_ip = self.pg0.remote_ip4n
+ alias_ip = self.nat_addr
+ flags = self.config_flags.NAT_IS_ADDR_ONLY
+ self.vapi.nat44_add_del_static_mapping(is_add=1,
+ local_ip_address=real_ip,
+ external_ip_address=alias_ip,
+ external_sw_if_index=0xFFFFFFFF,
+ flags=flags)
+
+ try:
+ # static mapping match
+
+ pkts = self.create_stream_out(self.pg1)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture, same_port=True)
+
+ # no static mapping match
+
+ host0 = self.pg0.remote_hosts[0]
+ self.pg0.remote_hosts[0] = self.pg0.remote_hosts[1]
+ try:
+ pkts = self.create_stream_out(self.pg1,
+ dst_ip=self.pg0.remote_ip4,
+ use_inside_ports=True)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip=self.pg0.remote_ip4,
+ same_port=True)
+ finally:
+ self.pg0.remote_hosts[0] = host0
+
+ finally:
+ self.vapi.nat44_forwarding_enable_disable(enable=0)
+ flags = self.config_flags.NAT_IS_ADDR_ONLY
+ self.vapi.nat44_add_del_static_mapping(
+ is_add=0,
+ local_ip_address=real_ip,
+ external_ip_address=alias_ip,
+ external_sw_if_index=0xFFFFFFFF,
+ flags=flags)
+
+ def test_static_in(self):
+ """ 1:1 NAT initialized from inside network """
+
+ nat_ip = "10.0.0.10"
+ self.tcp_port_out = 6303
+ self.udp_port_out = 6304
+ self.icmp_id_out = 6305
+
+ self.nat44_add_static_mapping(self.pg0.remote_ip4, nat_ip)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ sm = self.vapi.nat44_static_mapping_dump()
+ self.assertEqual(len(sm), 1)
+ self.assertEqual((sm[0].tag).split(b'\0', 1)[0], b'')
+ self.assertEqual(sm[0].protocol, 0)
+ self.assertEqual(sm[0].local_port, 0)
+ self.assertEqual(sm[0].external_port, 0)
+
+ # in2out
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip, True)
+
+ # out2in
+ pkts = self.create_stream_out(self.pg1, nat_ip)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ def test_static_out(self):
+ """ 1:1 NAT initialized from outside network """
+
+ nat_ip = "10.0.0.20"
+ self.tcp_port_out = 6303
+ self.udp_port_out = 6304
+ self.icmp_id_out = 6305
+ tag = b"testTAG"
+
+ self.nat44_add_static_mapping(self.pg0.remote_ip4, nat_ip, tag=tag)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ sm = self.vapi.nat44_static_mapping_dump()
+ self.assertEqual(len(sm), 1)
+ self.assertEqual((sm[0].tag).split(b'\0', 1)[0], tag)
+
+ # out2in
+ pkts = self.create_stream_out(self.pg1, nat_ip)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ # in2out
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip, True)
+
+ def test_static_with_port_in(self):
+ """ 1:1 NAPT initialized from inside network """
+
+ self.tcp_port_out = 3606
+ self.udp_port_out = 3607
+ self.icmp_id_out = 3608
+
+ self.nat44_add_address(self.nat_addr)
+ self.nat44_add_static_mapping(self.pg0.remote_ip4, self.nat_addr,
+ self.tcp_port_in, self.tcp_port_out,
+ proto=IP_PROTOS.tcp)
+ self.nat44_add_static_mapping(self.pg0.remote_ip4, self.nat_addr,
+ self.udp_port_in, self.udp_port_out,
+ proto=IP_PROTOS.udp)
+ self.nat44_add_static_mapping(self.pg0.remote_ip4, self.nat_addr,
+ self.icmp_id_in, self.icmp_id_out,
+ proto=IP_PROTOS.icmp)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # in2out
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+
+ # out2in
+ pkts = self.create_stream_out(self.pg1)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ def test_static_with_port_out(self):
+ """ 1:1 NAPT initialized from outside network """
+
+ self.tcp_port_out = 30606
+ self.udp_port_out = 30607
+ self.icmp_id_out = 30608
+
+ self.nat44_add_address(self.nat_addr)
+ self.nat44_add_static_mapping(self.pg0.remote_ip4, self.nat_addr,
+ self.tcp_port_in, self.tcp_port_out,
+ proto=IP_PROTOS.tcp)
+ self.nat44_add_static_mapping(self.pg0.remote_ip4, self.nat_addr,
+ self.udp_port_in, self.udp_port_out,
+ proto=IP_PROTOS.udp)
+ self.nat44_add_static_mapping(self.pg0.remote_ip4, self.nat_addr,
+ self.icmp_id_in, self.icmp_id_out,
+ proto=IP_PROTOS.icmp)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # out2in
+ pkts = self.create_stream_out(self.pg1)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ # in2out
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+
+ def test_static_vrf_aware(self):
+ """ 1:1 NAT VRF awareness """
+
+ nat_ip1 = "10.0.0.30"
+ nat_ip2 = "10.0.0.40"
+ self.tcp_port_out = 6303
+ self.udp_port_out = 6304
+ self.icmp_id_out = 6305
+
+ self.nat44_add_static_mapping(self.pg4.remote_ip4, nat_ip1,
+ vrf_id=10)
+ self.nat44_add_static_mapping(self.pg0.remote_ip4, nat_ip2,
+ vrf_id=10)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg3.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg4.sw_if_index,
+ flags=flags, is_add=1)
+
+ # inside interface VRF match NAT44 static mapping VRF
+ pkts = self.create_stream_in(self.pg4, self.pg3)
+ self.pg4.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg3.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip1, True)
+
+ # inside interface VRF don't match NAT44 static mapping VRF (packets
+ # are dropped)
+ pkts = self.create_stream_in(self.pg0, self.pg3)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg3.assert_nothing_captured()
+
+ def test_dynamic_to_static(self):
+ """ Switch from dynamic translation to 1:1NAT """
+ nat_ip = "10.0.0.10"
+ self.tcp_port_out = 6303
+ self.udp_port_out = 6304
+ self.icmp_id_out = 6305
+
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # dynamic
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+
+ # 1:1NAT
+ self.nat44_add_static_mapping(self.pg0.remote_ip4, nat_ip)
+ sessions = self.vapi.nat44_user_session_dump(self.pg0.remote_ip4n, 0)
+ self.assertEqual(len(sessions), 0)
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip, True)
+
+ def test_identity_nat(self):
+ """ Identity NAT """
+ flags = self.config_flags.NAT_IS_ADDR_ONLY
+ self.vapi.nat44_add_del_identity_mapping(
+ ip_address=self.pg0.remote_ip4n, sw_if_index=0xFFFFFFFF,
+ flags=flags, is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.pg0.remote_ip4) /
+ TCP(sport=12345, dport=56789))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg0.remote_ip4)
+ self.assertEqual(ip.src, self.pg1.remote_ip4)
+ self.assertEqual(tcp.dport, 56789)
+ self.assertEqual(tcp.sport, 12345)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ sessions = self.vapi.nat44_user_session_dump(self.pg0.remote_ip4n, 0)
+ self.assertEqual(len(sessions), 0)
+ flags = self.config_flags.NAT_IS_ADDR_ONLY
+ self.vapi.nat44_add_del_identity_mapping(
+ ip_address=self.pg0.remote_ip4n, sw_if_index=0xFFFFFFFF,
+ flags=flags, vrf_id=1, is_add=1)
+ identity_mappings = self.vapi.nat44_identity_mapping_dump()
+ self.assertEqual(len(identity_mappings), 2)
+
+ def test_multiple_inside_interfaces(self):
+ """ NAT44 multiple non-overlapping address space inside interfaces """
+
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg3.sw_if_index,
+ is_add=1)
+
+ # between two NAT44 inside interfaces (no translation)
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_no_translation(capture, self.pg0, self.pg1)
+
+ # from NAT44 inside to interface without NAT44 feature (no translation)
+ pkts = self.create_stream_in(self.pg0, self.pg2)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg2.get_capture(len(pkts))
+ self.verify_capture_no_translation(capture, self.pg0, self.pg2)
+
+ # in2out 1st interface
+ pkts = self.create_stream_in(self.pg0, self.pg3)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg3.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+
+ # out2in 1st interface
+ pkts = self.create_stream_out(self.pg3)
+ self.pg3.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ # in2out 2nd interface
+ pkts = self.create_stream_in(self.pg1, self.pg3)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg3.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+
+ # out2in 2nd interface
+ pkts = self.create_stream_out(self.pg3)
+ self.pg3.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg1)
+
+ def test_inside_overlapping_interfaces(self):
+ """ NAT44 multiple inside interfaces with overlapping address space """
+
+ static_nat_ip = "10.0.0.10"
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg3.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg4.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg5.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg6.sw_if_index,
+ flags=flags, is_add=1)
+ self.nat44_add_static_mapping(self.pg6.remote_ip4, static_nat_ip,
+ vrf_id=20)
+
+ # between NAT44 inside interfaces with same VRF (no translation)
+ pkts = self.create_stream_in(self.pg4, self.pg5)
+ self.pg4.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg5.get_capture(len(pkts))
+ self.verify_capture_no_translation(capture, self.pg4, self.pg5)
+
+ # between NAT44 inside interfaces with different VRF (hairpinning)
+ p = (Ether(src=self.pg4.remote_mac, dst=self.pg4.local_mac) /
+ IP(src=self.pg4.remote_ip4, dst=static_nat_ip) /
+ TCP(sport=1234, dport=5678))
+ self.pg4.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg6.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.nat_addr)
+ self.assertEqual(ip.dst, self.pg6.remote_ip4)
+ self.assertNotEqual(tcp.sport, 1234)
+ self.assertEqual(tcp.dport, 5678)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # in2out 1st interface
+ pkts = self.create_stream_in(self.pg4, self.pg3)
+ self.pg4.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg3.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+
+ # out2in 1st interface
+ pkts = self.create_stream_out(self.pg3)
+ self.pg3.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg4.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg4)
+
+ # in2out 2nd interface
+ pkts = self.create_stream_in(self.pg5, self.pg3)
+ self.pg5.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg3.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+
+ # out2in 2nd interface
+ pkts = self.create_stream_out(self.pg3)
+ self.pg3.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg5.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg5)
+
+ # pg5 session dump
+ addresses = self.vapi.nat44_address_dump()
+ self.assertEqual(len(addresses), 1)
+ sessions = self.vapi.nat44_user_session_dump(self.pg5.remote_ip4n, 10)
+ self.assertEqual(len(sessions), 3)
+ for session in sessions:
+ self.assertFalse(session.flags & self.config_flags.NAT_IS_STATIC)
+ self.assertEqual(str(session.inside_ip_address),
+ self.pg5.remote_ip4)
+ self.assertEqual(session.outside_ip_address,
+ addresses[0].ip_address)
+ self.assertEqual(sessions[0].protocol, IP_PROTOS.tcp)
+ self.assertEqual(sessions[1].protocol, IP_PROTOS.udp)
+ self.assertEqual(sessions[2].protocol, IP_PROTOS.icmp)
+ self.assertEqual(sessions[0].inside_port, self.tcp_port_in)
+ self.assertEqual(sessions[1].inside_port, self.udp_port_in)
+ self.assertEqual(sessions[2].inside_port, self.icmp_id_in)
+ self.assertEqual(sessions[0].outside_port, self.tcp_port_out)
+ self.assertEqual(sessions[1].outside_port, self.udp_port_out)
+ self.assertEqual(sessions[2].outside_port, self.icmp_id_out)
+
+ # in2out 3rd interface
+ pkts = self.create_stream_in(self.pg6, self.pg3)
+ self.pg6.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg3.get_capture(len(pkts))
+ self.verify_capture_out(capture, static_nat_ip, True)
+
+ # out2in 3rd interface
+ pkts = self.create_stream_out(self.pg3, static_nat_ip)
+ self.pg3.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg6.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg6)
+
+ # general user and session dump verifications
+ users = self.vapi.nat44_user_dump()
+ self.assertGreaterEqual(len(users), 3)
+ addresses = self.vapi.nat44_address_dump()
+ self.assertEqual(len(addresses), 1)
+ for user in users:
+ sessions = self.vapi.nat44_user_session_dump(user.ip_address,
+ user.vrf_id)
+ for session in sessions:
+ self.assertEqual(user.ip_address, session.inside_ip_address)
+ self.assertTrue(session.total_bytes > session.total_pkts > 0)
+ self.assertTrue(session.protocol in
+ [IP_PROTOS.tcp, IP_PROTOS.udp,
+ IP_PROTOS.icmp])
+ self.assertFalse(session.flags &
+ self.config_flags.NAT_IS_EXT_HOST_VALID)
+
+ # pg4 session dump
+ sessions = self.vapi.nat44_user_session_dump(self.pg4.remote_ip4n, 10)
+ self.assertGreaterEqual(len(sessions), 4)
+ for session in sessions:
+ self.assertFalse(session.flags & self.config_flags.NAT_IS_STATIC)
+ self.assertEqual(str(session.inside_ip_address),
+ self.pg4.remote_ip4)
+ self.assertEqual(session.outside_ip_address,
+ addresses[0].ip_address)
+
+ # pg6 session dump
+ sessions = self.vapi.nat44_user_session_dump(self.pg6.remote_ip4n, 20)
+ self.assertGreaterEqual(len(sessions), 3)
+ for session in sessions:
+ self.assertTrue(session.flags & self.config_flags.NAT_IS_STATIC)
+ self.assertEqual(str(session.inside_ip_address),
+ self.pg6.remote_ip4)
+ self.assertEqual(str(session.outside_ip_address),
+ static_nat_ip)
+ self.assertTrue(session.inside_port in
+ [self.tcp_port_in, self.udp_port_in,
+ self.icmp_id_in])
+
+ def test_hairpinning(self):
+ """ NAT44 hairpinning - 1:1 NAPT """
+
+ host = self.pg0.remote_hosts[0]
+ server = self.pg0.remote_hosts[1]
+ host_in_port = 1234
+ host_out_port = 0
+ server_in_port = 5678
+ server_out_port = 8765
+
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # add static mapping for server
+ self.nat44_add_static_mapping(server.ip4, self.nat_addr,
+ server_in_port, server_out_port,
+ proto=IP_PROTOS.tcp)
+
+ # send packet from host to server
+ p = (Ether(src=host.mac, dst=self.pg0.local_mac) /
+ IP(src=host.ip4, dst=self.nat_addr) /
+ TCP(sport=host_in_port, dport=server_out_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.nat_addr)
+ self.assertEqual(ip.dst, server.ip4)
+ self.assertNotEqual(tcp.sport, host_in_port)
+ self.assertEqual(tcp.dport, server_in_port)
+ self.assert_packet_checksums_valid(p)
+ host_out_port = tcp.sport
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # send reply from server to host
+ p = (Ether(src=server.mac, dst=self.pg0.local_mac) /
+ IP(src=server.ip4, dst=self.nat_addr) /
+ TCP(sport=server_in_port, dport=host_out_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.nat_addr)
+ self.assertEqual(ip.dst, host.ip4)
+ self.assertEqual(tcp.sport, server_out_port)
+ self.assertEqual(tcp.dport, host_in_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ def test_hairpinning2(self):
+ """ NAT44 hairpinning - 1:1 NAT"""
+
+ server1_nat_ip = "10.0.0.10"
+ server2_nat_ip = "10.0.0.11"
+ host = self.pg0.remote_hosts[0]
+ server1 = self.pg0.remote_hosts[1]
+ server2 = self.pg0.remote_hosts[2]
+ server_tcp_port = 22
+ server_udp_port = 20
+
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # add static mapping for servers
+ self.nat44_add_static_mapping(server1.ip4, server1_nat_ip)
+ self.nat44_add_static_mapping(server2.ip4, server2_nat_ip)
+
+ # host to server1
+ pkts = []
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=host.ip4, dst=server1_nat_ip) /
+ TCP(sport=self.tcp_port_in, dport=server_tcp_port))
+ pkts.append(p)
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=host.ip4, dst=server1_nat_ip) /
+ UDP(sport=self.udp_port_in, dport=server_udp_port))
+ pkts.append(p)
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=host.ip4, dst=server1_nat_ip) /
+ ICMP(id=self.icmp_id_in, type='echo-request'))
+ pkts.append(p)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ for packet in capture:
+ try:
+ self.assertEqual(packet[IP].src, self.nat_addr)
+ self.assertEqual(packet[IP].dst, server1.ip4)
+ if packet.haslayer(TCP):
+ self.assertNotEqual(packet[TCP].sport, self.tcp_port_in)
+ self.assertEqual(packet[TCP].dport, server_tcp_port)
+ self.tcp_port_out = packet[TCP].sport
+ self.assert_packet_checksums_valid(packet)
+ elif packet.haslayer(UDP):
+ self.assertNotEqual(packet[UDP].sport, self.udp_port_in)
+ self.assertEqual(packet[UDP].dport, server_udp_port)
+ self.udp_port_out = packet[UDP].sport
+ else:
+ self.assertNotEqual(packet[ICMP].id, self.icmp_id_in)
+ self.icmp_id_out = packet[ICMP].id
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ # server1 to host
+ pkts = []
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=server1.ip4, dst=self.nat_addr) /
+ TCP(sport=server_tcp_port, dport=self.tcp_port_out))
+ pkts.append(p)
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=server1.ip4, dst=self.nat_addr) /
+ UDP(sport=server_udp_port, dport=self.udp_port_out))
+ pkts.append(p)
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=server1.ip4, dst=self.nat_addr) /
+ ICMP(id=self.icmp_id_out, type='echo-reply'))
+ pkts.append(p)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ for packet in capture:
+ try:
+ self.assertEqual(packet[IP].src, server1_nat_ip)
+ self.assertEqual(packet[IP].dst, host.ip4)
+ if packet.haslayer(TCP):
+ self.assertEqual(packet[TCP].dport, self.tcp_port_in)
+ self.assertEqual(packet[TCP].sport, server_tcp_port)
+ self.assert_packet_checksums_valid(packet)
+ elif packet.haslayer(UDP):
+ self.assertEqual(packet[UDP].dport, self.udp_port_in)
+ self.assertEqual(packet[UDP].sport, server_udp_port)
+ else:
+ self.assertEqual(packet[ICMP].id, self.icmp_id_in)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ # server2 to server1
+ pkts = []
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=server2.ip4, dst=server1_nat_ip) /
+ TCP(sport=self.tcp_port_in, dport=server_tcp_port))
+ pkts.append(p)
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=server2.ip4, dst=server1_nat_ip) /
+ UDP(sport=self.udp_port_in, dport=server_udp_port))
+ pkts.append(p)
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=server2.ip4, dst=server1_nat_ip) /
+ ICMP(id=self.icmp_id_in, type='echo-request'))
+ pkts.append(p)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ for packet in capture:
+ try:
+ self.assertEqual(packet[IP].src, server2_nat_ip)
+ self.assertEqual(packet[IP].dst, server1.ip4)
+ if packet.haslayer(TCP):
+ self.assertEqual(packet[TCP].sport, self.tcp_port_in)
+ self.assertEqual(packet[TCP].dport, server_tcp_port)
+ self.tcp_port_out = packet[TCP].sport
+ self.assert_packet_checksums_valid(packet)
+ elif packet.haslayer(UDP):
+ self.assertEqual(packet[UDP].sport, self.udp_port_in)
+ self.assertEqual(packet[UDP].dport, server_udp_port)
+ self.udp_port_out = packet[UDP].sport
+ else:
+ self.assertEqual(packet[ICMP].id, self.icmp_id_in)
+ self.icmp_id_out = packet[ICMP].id
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ # server1 to server2
+ pkts = []
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=server1.ip4, dst=server2_nat_ip) /
+ TCP(sport=server_tcp_port, dport=self.tcp_port_out))
+ pkts.append(p)
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=server1.ip4, dst=server2_nat_ip) /
+ UDP(sport=server_udp_port, dport=self.udp_port_out))
+ pkts.append(p)
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=server1.ip4, dst=server2_nat_ip) /
+ ICMP(id=self.icmp_id_out, type='echo-reply'))
+ pkts.append(p)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ for packet in capture:
+ try:
+ self.assertEqual(packet[IP].src, server1_nat_ip)
+ self.assertEqual(packet[IP].dst, server2.ip4)
+ if packet.haslayer(TCP):
+ self.assertEqual(packet[TCP].dport, self.tcp_port_in)
+ self.assertEqual(packet[TCP].sport, server_tcp_port)
+ self.assert_packet_checksums_valid(packet)
+ elif packet.haslayer(UDP):
+ self.assertEqual(packet[UDP].dport, self.udp_port_in)
+ self.assertEqual(packet[UDP].sport, server_udp_port)
+ else:
+ self.assertEqual(packet[ICMP].id, self.icmp_id_in)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ def test_max_translations_per_user(self):
+ """ MAX translations per user - recycle the least recently used """
+
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # get maximum number of translations per user
+ nat44_config = self.vapi.nat_show_config()
+
+ # send more than maximum number of translations per user packets
+ pkts_num = nat44_config.max_translations_per_user + 5
+ pkts = []
+ for port in range(0, pkts_num):
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=1025 + port))
+ pkts.append(p)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # verify number of translated packet
+ self.pg1.get_capture(pkts_num)
+
+ users = self.vapi.nat44_user_dump()
+ for user in users:
+ if user.ip_address == self.pg0.remote_ip4n:
+ self.assertEqual(user.nsessions,
+ nat44_config.max_translations_per_user)
+ self.assertEqual(user.nstaticsessions, 0)
+
+ tcp_port = 22
+ self.nat44_add_static_mapping(self.pg0.remote_ip4, self.nat_addr,
+ tcp_port, tcp_port,
+ proto=IP_PROTOS.tcp)
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=tcp_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(1)
+ users = self.vapi.nat44_user_dump()
+ for user in users:
+ if user.ip_address == self.pg0.remote_ip4n:
+ self.assertEqual(user.nsessions,
+ nat44_config.max_translations_per_user - 1)
+ self.assertEqual(user.nstaticsessions, 1)
+
+ def test_interface_addr(self):
+ """ Acquire NAT44 addresses from interface """
+ self.vapi.nat44_add_del_interface_addr(
+ is_add=1,
+ sw_if_index=self.pg7.sw_if_index)
+
+ # no address in NAT pool
+ addresses = self.vapi.nat44_address_dump()
+ self.assertEqual(0, len(addresses))
+
+ # configure interface address and check NAT address pool
+ self.pg7.config_ip4()
+ addresses = self.vapi.nat44_address_dump()
+ self.assertEqual(1, len(addresses))
+ self.assertEqual(str(addresses[0].ip_address), self.pg7.local_ip4)
+
+ # remove interface address and check NAT address pool
+ self.pg7.unconfig_ip4()
+ addresses = self.vapi.nat44_address_dump()
+ self.assertEqual(0, len(addresses))
+
+ def test_interface_addr_static_mapping(self):
+ """ Static mapping with addresses from interface """
+ tag = b"testTAG"
+
+ self.vapi.nat44_add_del_interface_addr(
+ is_add=1,
+ sw_if_index=self.pg7.sw_if_index)
+ self.nat44_add_static_mapping(
+ '1.2.3.4',
+ external_sw_if_index=self.pg7.sw_if_index,
+ tag=tag)
+
+ # static mappings with external interface
+ static_mappings = self.vapi.nat44_static_mapping_dump()
+ self.assertEqual(1, len(static_mappings))
+ self.assertEqual(self.pg7.sw_if_index,
+ static_mappings[0].external_sw_if_index)
+ self.assertEqual((static_mappings[0].tag).split(b'\0', 1)[0], tag)
+
+ # configure interface address and check static mappings
+ self.pg7.config_ip4()
+ static_mappings = self.vapi.nat44_static_mapping_dump()
+ self.assertEqual(2, len(static_mappings))
+ resolved = False
+ for sm in static_mappings:
+ if sm.external_sw_if_index == 0xFFFFFFFF:
+ self.assertEqual(str(sm.external_ip_address),
+ self.pg7.local_ip4)
+ self.assertEqual((sm.tag).split(b'\0', 1)[0], tag)
+ resolved = True
+ self.assertTrue(resolved)
+
+ # remove interface address and check static mappings
+ self.pg7.unconfig_ip4()
+ static_mappings = self.vapi.nat44_static_mapping_dump()
+ self.assertEqual(1, len(static_mappings))
+ self.assertEqual(self.pg7.sw_if_index,
+ static_mappings[0].external_sw_if_index)
+ self.assertEqual((static_mappings[0].tag).split(b'\0', 1)[0], tag)
+
+ # configure interface address again and check static mappings
+ self.pg7.config_ip4()
+ static_mappings = self.vapi.nat44_static_mapping_dump()
+ self.assertEqual(2, len(static_mappings))
+ resolved = False
+ for sm in static_mappings:
+ if sm.external_sw_if_index == 0xFFFFFFFF:
+ self.assertEqual(str(sm.external_ip_address),
+ self.pg7.local_ip4)
+ self.assertEqual((sm.tag).split(b'\0', 1)[0], tag)
+ resolved = True
+ self.assertTrue(resolved)
+
+ # remove static mapping
+ self.nat44_add_static_mapping(
+ '1.2.3.4',
+ external_sw_if_index=self.pg7.sw_if_index,
+ tag=tag,
+ is_add=0)
+ static_mappings = self.vapi.nat44_static_mapping_dump()
+ self.assertEqual(0, len(static_mappings))
+
+ def test_interface_addr_identity_nat(self):
+ """ Identity NAT with addresses from interface """
+
+ port = 53053
+ self.vapi.nat44_add_del_interface_addr(
+ is_add=1,
+ sw_if_index=self.pg7.sw_if_index)
+ self.vapi.nat44_add_del_identity_mapping(
+ ip_address=b'0',
+ sw_if_index=self.pg7.sw_if_index,
+ port=port,
+ protocol=IP_PROTOS.tcp,
+ is_add=1)
+
+ # identity mappings with external interface
+ identity_mappings = self.vapi.nat44_identity_mapping_dump()
+ self.assertEqual(1, len(identity_mappings))
+ self.assertEqual(self.pg7.sw_if_index,
+ identity_mappings[0].sw_if_index)
+
+ # configure interface address and check identity mappings
+ self.pg7.config_ip4()
+ identity_mappings = self.vapi.nat44_identity_mapping_dump()
+ resolved = False
+ self.assertEqual(2, len(identity_mappings))
+ for sm in identity_mappings:
+ if sm.sw_if_index == 0xFFFFFFFF:
+ self.assertEqual(str(identity_mappings[0].ip_address),
+ self.pg7.local_ip4)
+ self.assertEqual(port, identity_mappings[0].port)
+ self.assertEqual(IP_PROTOS.tcp, identity_mappings[0].protocol)
+ resolved = True
+ self.assertTrue(resolved)
+
+ # remove interface address and check identity mappings
+ self.pg7.unconfig_ip4()
+ identity_mappings = self.vapi.nat44_identity_mapping_dump()
+ self.assertEqual(1, len(identity_mappings))
+ self.assertEqual(self.pg7.sw_if_index,
+ identity_mappings[0].sw_if_index)
+
+ def test_ipfix_nat44_sess(self):
+ """ IPFIX logging NAT44 session created/deleted """
+ self.ipfix_domain_id = 10
+ self.ipfix_src_port = 20202
+ collector_port = 30303
+ bind_layers(UDP, IPFIX, dport=30303)
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.set_ipfix_exporter(collector_address=self.pg3.remote_ip4n,
+ src_address=self.pg3.local_ip4n,
+ path_mtu=512,
+ template_interval=10,
+ collector_port=collector_port)
+ self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
+ src_port=self.ipfix_src_port,
+ enable=1)
+
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+ self.nat44_add_address(self.nat_addr, is_add=0)
+ self.vapi.ipfix_flush()
+ capture = self.pg3.get_capture(9)
+ ipfix = IPFIXDecoder()
+ # first load template
+ for p in capture:
+ self.assertTrue(p.haslayer(IPFIX))
+ self.assertEqual(p[IP].src, self.pg3.local_ip4)
+ self.assertEqual(p[IP].dst, self.pg3.remote_ip4)
+ self.assertEqual(p[UDP].sport, self.ipfix_src_port)
+ self.assertEqual(p[UDP].dport, collector_port)
+ self.assertEqual(p[IPFIX].observationDomainID,
+ self.ipfix_domain_id)
+ if p.haslayer(Template):
+ ipfix.add_template(p.getlayer(Template))
+ # verify events in data set
+ for p in capture:
+ if p.haslayer(Data):
+ data = ipfix.decode_data_set(p.getlayer(Set))
+ self.verify_ipfix_nat44_ses(data)
+
+ def test_ipfix_addr_exhausted(self):
+ """ IPFIX logging NAT addresses exhausted """
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.set_ipfix_exporter(collector_address=self.pg3.remote_ip4n,
+ src_address=self.pg3.local_ip4n,
+ path_mtu=512,
+ template_interval=10)
+ self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
+ src_port=self.ipfix_src_port,
+ enable=1)
+
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=3025))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.assert_nothing_captured()
+ sleep(1)
+ self.vapi.ipfix_flush()
+ capture = self.pg3.get_capture(9)
+ ipfix = IPFIXDecoder()
+ # first load template
+ for p in capture:
+ self.assertTrue(p.haslayer(IPFIX))
+ self.assertEqual(p[IP].src, self.pg3.local_ip4)
+ self.assertEqual(p[IP].dst, self.pg3.remote_ip4)
+ self.assertEqual(p[UDP].sport, self.ipfix_src_port)
+ self.assertEqual(p[UDP].dport, 4739)
+ self.assertEqual(p[IPFIX].observationDomainID,
+ self.ipfix_domain_id)
+ if p.haslayer(Template):
+ ipfix.add_template(p.getlayer(Template))
+ # verify events in data set
+ for p in capture:
+ if p.haslayer(Data):
+ data = ipfix.decode_data_set(p.getlayer(Set))
+ self.verify_ipfix_addr_exhausted(data)
+
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
+ def test_ipfix_max_sessions(self):
+ """ IPFIX logging maximum session entries exceeded """
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ nat44_config = self.vapi.nat_show_config()
+ max_sessions = 10 * nat44_config.translation_buckets
+
+ pkts = []
+ for i in range(0, max_sessions):
+ src = "10.10.%u.%u" % ((i & 0xFF00) >> 8, i & 0xFF)
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=src, dst=self.pg1.remote_ip4) /
+ TCP(sport=1025))
+ pkts.append(p)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ self.pg1.get_capture(max_sessions)
+ self.vapi.set_ipfix_exporter(collector_address=self.pg3.remote_ip4n,
+ src_address=self.pg3.local_ip4n,
+ path_mtu=512,
+ template_interval=10)
+ self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
+ src_port=self.ipfix_src_port,
+ enable=1)
+
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=1025))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.assert_nothing_captured()
+ sleep(1)
+ self.vapi.ipfix_flush()
+ capture = self.pg3.get_capture(9)
+ ipfix = IPFIXDecoder()
+ # first load template
+ for p in capture:
+ self.assertTrue(p.haslayer(IPFIX))
+ self.assertEqual(p[IP].src, self.pg3.local_ip4)
+ self.assertEqual(p[IP].dst, self.pg3.remote_ip4)
+ self.assertEqual(p[UDP].sport, self.ipfix_src_port)
+ self.assertEqual(p[UDP].dport, 4739)
+ self.assertEqual(p[IPFIX].observationDomainID,
+ self.ipfix_domain_id)
+ if p.haslayer(Template):
+ ipfix.add_template(p.getlayer(Template))
+ # verify events in data set
+ for p in capture:
+ if p.haslayer(Data):
+ data = ipfix.decode_data_set(p.getlayer(Set))
+ self.verify_ipfix_max_sessions(data, max_sessions)
+
+ def test_syslog_apmap(self):
+ """ Test syslog address and port mapping creation and deletion """
+ self.vapi.syslog_set_filter(
+ self.SYSLOG_SEVERITY.SYSLOG_API_SEVERITY_INFO)
+ self.vapi.syslog_set_sender(self.pg3.local_ip4n, self.pg3.remote_ip4n)
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=self.tcp_port_in, dport=20))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ self.tcp_port_out = capture[0][TCP].sport
+ capture = self.pg3.get_capture(1)
+ self.verify_syslog_apmap(capture[0][Raw].load)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.nat44_add_address(self.nat_addr, is_add=0)
+ capture = self.pg3.get_capture(1)
+ self.verify_syslog_apmap(capture[0][Raw].load, False)
+
+ def test_pool_addr_fib(self):
+ """ NAT44 add pool addresses to FIB """
+ static_addr = '10.0.0.10'
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.nat44_add_static_mapping(self.pg0.remote_ip4, static_addr)
+
+ # NAT44 address
+ p = (Ether(src=self.pg1.remote_mac, dst='ff:ff:ff:ff:ff:ff') /
+ ARP(op=ARP.who_has, pdst=self.nat_addr,
+ psrc=self.pg1.remote_ip4, hwsrc=self.pg1.remote_mac))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ self.assertTrue(capture[0].haslayer(ARP))
+ self.assertTrue(capture[0][ARP].op, ARP.is_at)
+
+ # 1:1 NAT address
+ p = (Ether(src=self.pg1.remote_mac, dst='ff:ff:ff:ff:ff:ff') /
+ ARP(op=ARP.who_has, pdst=static_addr,
+ psrc=self.pg1.remote_ip4, hwsrc=self.pg1.remote_mac))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ self.assertTrue(capture[0].haslayer(ARP))
+ self.assertTrue(capture[0][ARP].op, ARP.is_at)
+
+ # send ARP to non-NAT44 interface
+ p = (Ether(src=self.pg2.remote_mac, dst='ff:ff:ff:ff:ff:ff') /
+ ARP(op=ARP.who_has, pdst=self.nat_addr,
+ psrc=self.pg2.remote_ip4, hwsrc=self.pg2.remote_mac))
+ self.pg2.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.assert_nothing_captured()
+
+ # remove addresses and verify
+ self.nat44_add_address(self.nat_addr, is_add=0)
+ self.nat44_add_static_mapping(self.pg0.remote_ip4, static_addr,
+ is_add=0)
+
+ p = (Ether(src=self.pg1.remote_mac, dst='ff:ff:ff:ff:ff:ff') /
+ ARP(op=ARP.who_has, pdst=self.nat_addr,
+ psrc=self.pg1.remote_ip4, hwsrc=self.pg1.remote_mac))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.assert_nothing_captured()
+
+ p = (Ether(src=self.pg1.remote_mac, dst='ff:ff:ff:ff:ff:ff') /
+ ARP(op=ARP.who_has, pdst=static_addr,
+ psrc=self.pg1.remote_ip4, hwsrc=self.pg1.remote_mac))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.assert_nothing_captured()
+
+ def test_vrf_mode(self):
+ """ NAT44 tenant VRF aware address pool mode """
+
+ vrf_id1 = 1
+ vrf_id2 = 2
+ nat_ip1 = "10.0.0.10"
+ nat_ip2 = "10.0.0.11"
+
+ self.pg0.unconfig_ip4()
+ self.pg1.unconfig_ip4()
+ self.vapi.ip_table_add_del(is_add=1, table_id=vrf_id1)
+ self.vapi.ip_table_add_del(is_add=1, table_id=vrf_id2)
+ self.pg0.set_table_ip4(vrf_id1)
+ self.pg1.set_table_ip4(vrf_id2)
+ self.pg0.config_ip4()
+ self.pg1.config_ip4()
+ self.pg0.resolve_arp()
+ self.pg1.resolve_arp()
+
+ self.nat44_add_address(nat_ip1, vrf_id=vrf_id1)
+ self.nat44_add_address(nat_ip2, vrf_id=vrf_id2)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg2.sw_if_index,
+ is_add=1)
+
+ try:
+ # first VRF
+ pkts = self.create_stream_in(self.pg0, self.pg2)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg2.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip1)
+
+ # second VRF
+ pkts = self.create_stream_in(self.pg1, self.pg2)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg2.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip2)
+
+ finally:
+ self.pg0.unconfig_ip4()
+ self.pg1.unconfig_ip4()
+ self.pg0.set_table_ip4(0)
+ self.pg1.set_table_ip4(0)
+ self.pg0.config_ip4()
+ self.pg1.config_ip4()
+ self.pg0.resolve_arp()
+ self.pg1.resolve_arp()
+ self.vapi.ip_table_add_del(is_add=0, table_id=vrf_id1)
+ self.vapi.ip_table_add_del(is_add=0, table_id=vrf_id2)
+
+ def test_vrf_feature_independent(self):
+ """ NAT44 tenant VRF independent address pool mode """
+
+ nat_ip1 = "10.0.0.10"
+ nat_ip2 = "10.0.0.11"
+
+ self.nat44_add_address(nat_ip1)
+ self.nat44_add_address(nat_ip2, vrf_id=99)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg2.sw_if_index,
+ is_add=1)
+
+ # first VRF
+ pkts = self.create_stream_in(self.pg0, self.pg2)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg2.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip1)
+
+ # second VRF
+ pkts = self.create_stream_in(self.pg1, self.pg2)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg2.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip1)
+
+ def create_routes_and_neigbors(self):
+ r1 = VppIpRoute(self, self.pg7.remote_ip4, 32,
+ [VppRoutePath(self.pg7.remote_ip4,
+ self.pg7.sw_if_index)])
+ r2 = VppIpRoute(self, self.pg8.remote_ip4, 32,
+ [VppRoutePath(self.pg8.remote_ip4,
+ self.pg8.sw_if_index)])
+ r1.add_vpp_config()
+ r2.add_vpp_config()
+
+ n1 = VppNeighbor(self,
+ self.pg7.sw_if_index,
+ self.pg7.remote_mac,
+ self.pg7.remote_ip4,
+ is_static=1)
+ n2 = VppNeighbor(self,
+ self.pg8.sw_if_index,
+ self.pg8.remote_mac,
+ self.pg8.remote_ip4,
+ is_static=1)
+ n1.add_vpp_config()
+ n2.add_vpp_config()
+
+ def test_dynamic_ipless_interfaces(self):
+ """ NAT44 interfaces without configured IP address """
+ self.create_routes_and_neigbors()
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg7.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg8.sw_if_index,
+ is_add=1)
+
+ # in2out
+ pkts = self.create_stream_in(self.pg7, self.pg8)
+ self.pg7.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg8.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+
+ # out2in
+ pkts = self.create_stream_out(self.pg8, self.nat_addr)
+ self.pg8.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg7.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg7)
+
+ def test_static_ipless_interfaces(self):
+ """ NAT44 interfaces without configured IP address - 1:1 NAT """
+
+ self.create_routes_and_neigbors()
+ self.nat44_add_static_mapping(self.pg7.remote_ip4, self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg7.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg8.sw_if_index,
+ is_add=1)
+
+ # out2in
+ pkts = self.create_stream_out(self.pg8)
+ self.pg8.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg7.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg7)
+
+ # in2out
+ pkts = self.create_stream_in(self.pg7, self.pg8)
+ self.pg7.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg8.get_capture(len(pkts))
+ self.verify_capture_out(capture, self.nat_addr, True)
+
+ def test_static_with_port_ipless_interfaces(self):
+ """ NAT44 interfaces without configured IP address - 1:1 NAPT """
+
+ self.tcp_port_out = 30606
+ self.udp_port_out = 30607
+ self.icmp_id_out = 30608
+
+ self.create_routes_and_neigbors()
+ self.nat44_add_address(self.nat_addr)
+ self.nat44_add_static_mapping(self.pg7.remote_ip4, self.nat_addr,
+ self.tcp_port_in, self.tcp_port_out,
+ proto=IP_PROTOS.tcp)
+ self.nat44_add_static_mapping(self.pg7.remote_ip4, self.nat_addr,
+ self.udp_port_in, self.udp_port_out,
+ proto=IP_PROTOS.udp)
+ self.nat44_add_static_mapping(self.pg7.remote_ip4, self.nat_addr,
+ self.icmp_id_in, self.icmp_id_out,
+ proto=IP_PROTOS.icmp)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg7.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg8.sw_if_index,
+ is_add=1)
+
+ # out2in
+ pkts = self.create_stream_out(self.pg8)
+ self.pg8.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg7.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg7)
+
+ # in2out
+ pkts = self.create_stream_in(self.pg7, self.pg8)
+ self.pg7.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg8.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+
+ def test_static_unknown_proto(self):
+ """ 1:1 NAT translate packet with unknown protocol """
+ nat_ip = "10.0.0.10"
+ self.nat44_add_static_mapping(self.pg0.remote_ip4, nat_ip)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # in2out
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ GRE() /
+ IP(src=self.pg2.remote_ip4, dst=self.pg3.remote_ip4) /
+ TCP(sport=1234, dport=1234))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ p = self.pg1.get_capture(1)
+ packet = p[0]
+ try:
+ self.assertEqual(packet[IP].src, nat_ip)
+ self.assertEqual(packet[IP].dst, self.pg1.remote_ip4)
+ self.assertEqual(packet.haslayer(GRE), 1)
+ self.assert_packet_checksums_valid(packet)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ # out2in
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IP(src=self.pg1.remote_ip4, dst=nat_ip) /
+ GRE() /
+ IP(src=self.pg3.remote_ip4, dst=self.pg2.remote_ip4) /
+ TCP(sport=1234, dport=1234))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ p = self.pg0.get_capture(1)
+ packet = p[0]
+ try:
+ self.assertEqual(packet[IP].src, self.pg1.remote_ip4)
+ self.assertEqual(packet[IP].dst, self.pg0.remote_ip4)
+ self.assertEqual(packet.haslayer(GRE), 1)
+ self.assert_packet_checksums_valid(packet)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ def test_hairpinning_static_unknown_proto(self):
+ """ 1:1 NAT translate packet with unknown protocol - hairpinning """
+
+ host = self.pg0.remote_hosts[0]
+ server = self.pg0.remote_hosts[1]
+
+ host_nat_ip = "10.0.0.10"
+ server_nat_ip = "10.0.0.11"
+
+ self.nat44_add_static_mapping(host.ip4, host_nat_ip)
+ self.nat44_add_static_mapping(server.ip4, server_nat_ip)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # host to server
+ p = (Ether(dst=self.pg0.local_mac, src=host.mac) /
+ IP(src=host.ip4, dst=server_nat_ip) /
+ GRE() /
+ IP(src=self.pg2.remote_ip4, dst=self.pg3.remote_ip4) /
+ TCP(sport=1234, dport=1234))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ p = self.pg0.get_capture(1)
+ packet = p[0]
+ try:
+ self.assertEqual(packet[IP].src, host_nat_ip)
+ self.assertEqual(packet[IP].dst, server.ip4)
+ self.assertEqual(packet.haslayer(GRE), 1)
+ self.assert_packet_checksums_valid(packet)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ # server to host
+ p = (Ether(dst=self.pg0.local_mac, src=server.mac) /
+ IP(src=server.ip4, dst=host_nat_ip) /
+ GRE() /
+ IP(src=self.pg3.remote_ip4, dst=self.pg2.remote_ip4) /
+ TCP(sport=1234, dport=1234))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ p = self.pg0.get_capture(1)
+ packet = p[0]
+ try:
+ self.assertEqual(packet[IP].src, server_nat_ip)
+ self.assertEqual(packet[IP].dst, host.ip4)
+ self.assertEqual(packet.haslayer(GRE), 1)
+ self.assert_packet_checksums_valid(packet)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ def test_output_feature(self):
+ """ NAT44 interface output feature (in2out postrouting) """
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1, flags=flags,
+ sw_if_index=self.pg1.sw_if_index)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1,
+ sw_if_index=self.pg3.sw_if_index)
+
+ # in2out
+ pkts = self.create_stream_in(self.pg0, self.pg3)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg3.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+
+ # out2in
+ pkts = self.create_stream_out(self.pg3)
+ self.pg3.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ # from non-NAT interface to NAT inside interface
+ pkts = self.create_stream_in(self.pg2, self.pg0)
+ self.pg2.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_no_translation(capture, self.pg2, self.pg0)
+
+ def test_output_feature_vrf_aware(self):
+ """ NAT44 interface output feature VRF aware (in2out postrouting) """
+ nat_ip_vrf10 = "10.0.0.10"
+ nat_ip_vrf20 = "10.0.0.20"
+
+ r1 = VppIpRoute(self, self.pg3.remote_ip4, 32,
+ [VppRoutePath(self.pg3.remote_ip4,
+ self.pg3.sw_if_index)],
+ table_id=10)
+ r2 = VppIpRoute(self, self.pg3.remote_ip4, 32,
+ [VppRoutePath(self.pg3.remote_ip4,
+ self.pg3.sw_if_index)],
+ table_id=20)
+ r1.add_vpp_config()
+ r2.add_vpp_config()
+
+ self.nat44_add_address(nat_ip_vrf10, vrf_id=10)
+ self.nat44_add_address(nat_ip_vrf20, vrf_id=20)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1, flags=flags,
+ sw_if_index=self.pg4.sw_if_index)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1, flags=flags,
+ sw_if_index=self.pg6.sw_if_index)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1,
+ sw_if_index=self.pg3.sw_if_index)
+
+ # in2out VRF 10
+ pkts = self.create_stream_in(self.pg4, self.pg3)
+ self.pg4.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg3.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip=nat_ip_vrf10)
+
+ # out2in VRF 10
+ pkts = self.create_stream_out(self.pg3, dst_ip=nat_ip_vrf10)
+ self.pg3.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg4.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg4)
+
+ # in2out VRF 20
+ pkts = self.create_stream_in(self.pg6, self.pg3)
+ self.pg6.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg3.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip=nat_ip_vrf20)
+
+ # out2in VRF 20
+ pkts = self.create_stream_out(self.pg3, dst_ip=nat_ip_vrf20)
+ self.pg3.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg6.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg6)
+
+ def test_output_feature_hairpinning(self):
+ """ NAT44 interface output feature hairpinning (in2out postrouting) """
+ host = self.pg0.remote_hosts[0]
+ server = self.pg0.remote_hosts[1]
+ host_in_port = 1234
+ host_out_port = 0
+ server_in_port = 5678
+ server_out_port = 8765
+
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1,
+ sw_if_index=self.pg1.sw_if_index)
+
+ # add static mapping for server
+ self.nat44_add_static_mapping(server.ip4, self.nat_addr,
+ server_in_port, server_out_port,
+ proto=IP_PROTOS.tcp)
+
+ # send packet from host to server
+ p = (Ether(src=host.mac, dst=self.pg0.local_mac) /
+ IP(src=host.ip4, dst=self.nat_addr) /
+ TCP(sport=host_in_port, dport=server_out_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.nat_addr)
+ self.assertEqual(ip.dst, server.ip4)
+ self.assertNotEqual(tcp.sport, host_in_port)
+ self.assertEqual(tcp.dport, server_in_port)
+ self.assert_packet_checksums_valid(p)
+ host_out_port = tcp.sport
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # send reply from server to host
+ p = (Ether(src=server.mac, dst=self.pg0.local_mac) /
+ IP(src=server.ip4, dst=self.nat_addr) /
+ TCP(sport=server_in_port, dport=host_out_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.nat_addr)
+ self.assertEqual(ip.dst, host.ip4)
+ self.assertEqual(tcp.sport, server_out_port)
+ self.assertEqual(tcp.dport, host_in_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ def test_one_armed_nat44(self):
+ """ One armed NAT44 """
+ remote_host = self.pg9.remote_hosts[0]
+ local_host = self.pg9.remote_hosts[1]
+ external_port = 0
+
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg9.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg9.sw_if_index,
+ flags=flags, is_add=1)
+
+ # in2out
+ p = (Ether(src=self.pg9.remote_mac, dst=self.pg9.local_mac) /
+ IP(src=local_host.ip4, dst=remote_host.ip4) /
+ TCP(sport=12345, dport=80))
+ self.pg9.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg9.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.nat_addr)
+ self.assertEqual(ip.dst, remote_host.ip4)
+ self.assertNotEqual(tcp.sport, 12345)
+ external_port = tcp.sport
+ self.assertEqual(tcp.dport, 80)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # out2in
+ p = (Ether(src=self.pg9.remote_mac, dst=self.pg9.local_mac) /
+ IP(src=remote_host.ip4, dst=self.nat_addr) /
+ TCP(sport=80, dport=external_port))
+ self.pg9.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg9.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, remote_host.ip4)
+ self.assertEqual(ip.dst, local_host.ip4)
+ self.assertEqual(tcp.sport, 80)
+ self.assertEqual(tcp.dport, 12345)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ err = self.statistics.get_err_counter(
+ '/err/nat44-classify/next in2out')
+ self.assertEqual(err, 1)
+ err = self.statistics.get_err_counter(
+ '/err/nat44-classify/next out2in')
+ self.assertEqual(err, 1)
+
+ def test_del_session(self):
+ """ Delete NAT44 session """
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(len(pkts))
+
+ sessions = self.vapi.nat44_user_session_dump(self.pg0.remote_ip4n, 0)
+ nsessions = len(sessions)
+
+ self.vapi.nat44_del_session(address=sessions[0].inside_ip_address,
+ port=sessions[0].inside_port,
+ protocol=sessions[0].protocol,
+ flags=self.config_flags.NAT_IS_INSIDE)
+ self.vapi.nat44_del_session(address=sessions[1].outside_ip_address,
+ port=sessions[1].outside_port,
+ protocol=sessions[1].protocol)
+
+ sessions = self.vapi.nat44_user_session_dump(self.pg0.remote_ip4n, 0)
+ self.assertEqual(nsessions - len(sessions), 2)
+
+ self.vapi.nat44_del_session(address=sessions[0].inside_ip_address,
+ port=sessions[0].inside_port,
+ protocol=sessions[0].protocol,
+ flags=self.config_flags.NAT_IS_INSIDE)
+
+ self.verify_no_nat44_user()
+
+ def test_set_get_reass(self):
+ """ NAT44 set/get virtual fragmentation reassembly """
+ reas_cfg1 = self.vapi.nat_get_reass()
+
+ self.vapi.nat_set_reass(timeout=reas_cfg1.ip4_timeout + 5,
+ max_reass=reas_cfg1.ip4_max_reass * 2,
+ max_frag=reas_cfg1.ip4_max_frag * 2,
+ drop_frag=0)
+
+ reas_cfg2 = self.vapi.nat_get_reass()
+
+ self.assertEqual(reas_cfg1.ip4_timeout + 5, reas_cfg2.ip4_timeout)
+ self.assertEqual(reas_cfg1.ip4_max_reass * 2, reas_cfg2.ip4_max_reass)
+ self.assertEqual(reas_cfg1.ip4_max_frag * 2, reas_cfg2.ip4_max_frag)
+
+ self.vapi.nat_set_reass(timeout=2, max_reass=1024, max_frag=5,
+ drop_frag=1)
+ self.assertTrue(self.vapi.nat_get_reass().ip4_drop_frag)
+
+ def test_frag_in_order(self):
+ """ NAT44 translate fragments arriving in order """
+
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ reas_cfg1 = self.vapi.nat_get_reass()
+ # this test was intermittently failing in some cases
+ # until we temporarily bump the reassembly timeouts
+ self.vapi.nat_set_reass(timeout=20, max_reass=1024, max_frag=5,
+ drop_frag=0)
+
+ self.frag_in_order(proto=IP_PROTOS.tcp)
+ self.frag_in_order(proto=IP_PROTOS.udp)
+ self.frag_in_order(proto=IP_PROTOS.icmp)
+
+ # restore the reassembly timeouts
+ self.vapi.nat_set_reass(timeout=reas_cfg1.ip4_timeout,
+ max_reass=reas_cfg1.ip4_max_reass,
+ max_frag=reas_cfg1.ip4_max_frag,
+ drop_frag=reas_cfg1.ip4_drop_frag)
+
+ def test_frag_forwarding(self):
+ """ NAT44 forwarding fragment test """
+ self.vapi.nat44_add_del_interface_addr(
+ is_add=1,
+ sw_if_index=self.pg1.sw_if_index)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
+
+ data = b"A" * 16 + b"B" * 16 + b"C" * 3
+ pkts = self.create_stream_frag(self.pg1,
+ self.pg0.remote_ip4,
+ 4789,
+ 4789,
+ data,
+ proto=IP_PROTOS.udp)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ frags = self.pg0.get_capture(len(pkts))
+ p = self.reass_frags_and_verify(frags,
+ self.pg1.remote_ip4,
+ self.pg0.remote_ip4)
+ self.assertEqual(p[UDP].sport, 4789)
+ self.assertEqual(p[UDP].dport, 4789)
+ self.assertEqual(data, p[Raw].load)
+
+ def test_reass_hairpinning(self):
+ """ NAT44 fragments hairpinning """
+
+ self.server = self.pg0.remote_hosts[1]
+ self.host_in_port = random.randint(1025, 65535)
+ self.server_in_port = random.randint(1025, 65535)
+ self.server_out_port = random.randint(1025, 65535)
+
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ # add static mapping for server
+ self.nat44_add_static_mapping(self.server.ip4, self.nat_addr,
+ self.server_in_port,
+ self.server_out_port,
+ proto=IP_PROTOS.tcp)
+ self.nat44_add_static_mapping(self.server.ip4, self.nat_addr,
+ self.server_in_port,
+ self.server_out_port,
+ proto=IP_PROTOS.udp)
+ self.nat44_add_static_mapping(self.server.ip4, self.nat_addr)
+
+ self.reass_hairpinning(proto=IP_PROTOS.tcp)
+ self.reass_hairpinning(proto=IP_PROTOS.udp)
+ self.reass_hairpinning(proto=IP_PROTOS.icmp)
+
+ def test_frag_out_of_order(self):
+ """ NAT44 translate fragments arriving out of order """
+
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ self.frag_out_of_order(proto=IP_PROTOS.tcp)
+ self.frag_out_of_order(proto=IP_PROTOS.udp)
+ self.frag_out_of_order(proto=IP_PROTOS.icmp)
+
+ def test_port_restricted(self):
+ """ Port restricted NAT44 (MAP-E CE) """
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat_set_addr_and_port_alloc_alg(alg=1,
+ psid_offset=6,
+ psid_length=6,
+ psid=10)
+
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=4567, dport=22))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg1.remote_ip4)
+ self.assertEqual(ip.src, self.nat_addr)
+ self.assertEqual(tcp.dport, 22)
+ self.assertNotEqual(tcp.sport, 4567)
+ self.assertEqual((tcp.sport >> 6) & 63, 10)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ def test_port_range(self):
+ """ External address port range """
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat_set_addr_and_port_alloc_alg(alg=2,
+ start_port=1025,
+ end_port=1027)
+
+ pkts = []
+ for port in range(0, 5):
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=1125 + port))
+ pkts.append(p)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(3)
+ for p in capture:
+ tcp = p[TCP]
+ self.assertGreaterEqual(tcp.sport, 1025)
+ self.assertLessEqual(tcp.sport, 1027)
+
+ def test_ipfix_max_frags(self):
+ """ IPFIX logging maximum fragments pending reassembly exceeded """
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat_set_reass(timeout=2, max_reass=1024, max_frag=1,
+ drop_frag=0)
+ self.vapi.set_ipfix_exporter(collector_address=self.pg3.remote_ip4n,
+ src_address=self.pg3.local_ip4n,
+ path_mtu=512,
+ template_interval=10)
+ self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
+ src_port=self.ipfix_src_port,
+ enable=1)
+
+ data = b"A" * 4 + b"B" * 16 + b"C" * 3
+ self.tcp_port_in = random.randint(1025, 65535)
+ pkts = self.create_stream_frag(self.pg0,
+ self.pg1.remote_ip4,
+ self.tcp_port_in,
+ 20,
+ data)
+ pkts.reverse()
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.assert_nothing_captured()
+ sleep(1)
+ self.vapi.ipfix_flush()
+ capture = self.pg3.get_capture(9)
+ ipfix = IPFIXDecoder()
+ # first load template
+ for p in capture:
+ self.assertTrue(p.haslayer(IPFIX))
+ self.assertEqual(p[IP].src, self.pg3.local_ip4)
+ self.assertEqual(p[IP].dst, self.pg3.remote_ip4)
+ self.assertEqual(p[UDP].sport, self.ipfix_src_port)
+ self.assertEqual(p[UDP].dport, 4739)
+ self.assertEqual(p[IPFIX].observationDomainID,
+ self.ipfix_domain_id)
+ if p.haslayer(Template):
+ ipfix.add_template(p.getlayer(Template))
+ # verify events in data set
+ for p in capture:
+ if p.haslayer(Data):
+ data = ipfix.decode_data_set(p.getlayer(Set))
+ self.verify_ipfix_max_fragments_ip4(data, 1,
+ self.pg0.remote_ip4n)
+
+ def test_multiple_outside_vrf(self):
+ """ Multiple outside VRF """
+ vrf_id1 = 1
+ vrf_id2 = 2
+
+ self.pg1.unconfig_ip4()
+ self.pg2.unconfig_ip4()
+ self.vapi.ip_table_add_del(is_add=1, table_id=vrf_id1)
+ self.vapi.ip_table_add_del(is_add=1, table_id=vrf_id2)
+ self.pg1.set_table_ip4(vrf_id1)
+ self.pg2.set_table_ip4(vrf_id2)
+ self.pg1.config_ip4()
+ self.pg2.config_ip4()
+ self.pg1.resolve_arp()
+ self.pg2.resolve_arp()
+
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg2.sw_if_index,
+ is_add=1)
+
+ try:
+ # first VRF
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture, self.nat_addr)
+
+ pkts = self.create_stream_out(self.pg1, self.nat_addr)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ self.tcp_port_in = 60303
+ self.udp_port_in = 60304
+ self.icmp_id_in = 60305
+
+ # second VRF
+ pkts = self.create_stream_in(self.pg0, self.pg2)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg2.get_capture(len(pkts))
+ self.verify_capture_out(capture, self.nat_addr)
+
+ pkts = self.create_stream_out(self.pg2, self.nat_addr)
+ self.pg2.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ finally:
+ self.nat44_add_address(self.nat_addr, is_add=0)
+ self.pg1.unconfig_ip4()
+ self.pg2.unconfig_ip4()
+ self.pg1.set_table_ip4(0)
+ self.pg2.set_table_ip4(0)
+ self.pg1.config_ip4()
+ self.pg2.config_ip4()
+ self.pg1.resolve_arp()
+ self.pg2.resolve_arp()
+
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
+ def test_session_timeout(self):
+ """ NAT44 session timeouts """
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat_set_timeouts(udp=5, tcp_established=7440,
+ tcp_transitory=240, icmp=60)
+
+ max_sessions = 1000
+ pkts = []
+ for i in range(0, max_sessions):
+ src = "10.10.%u.%u" % ((i & 0xFF00) >> 8, i & 0xFF)
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=src, dst=self.pg1.remote_ip4) /
+ UDP(sport=1025, dport=53))
+ pkts.append(p)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(max_sessions)
+
+ sleep(6)
+
+ pkts = []
+ for i in range(0, max_sessions):
+ src = "10.10.%u.%u" % ((i & 0xFF00) >> 8, i & 0xFF)
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=src, dst=self.pg1.remote_ip4) /
+ UDP(sport=1026, dport=53))
+ pkts.append(p)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(max_sessions)
+
+ nsessions = 0
+ users = self.vapi.nat44_user_dump()
+ for user in users:
+ nsessions = nsessions + user.nsessions
+ self.assertLess(nsessions, 2 * max_sessions)
+
+ def test_mss_clamping(self):
+ """ TCP MSS clamping """
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=self.tcp_port_in, dport=self.tcp_external_port,
+ flags="S", options=[('MSS', 1400)]))
+
+ self.vapi.nat_set_mss_clamping(enable=1, mss_value=1000)
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ # Negotiated MSS value greater than configured - changed
+ self.verify_mss_value(capture[0], 1000)
+
+ self.vapi.nat_set_mss_clamping(enable=0, mss_value=1500)
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ # MSS clamping disabled - negotiated MSS unchanged
+ self.verify_mss_value(capture[0], 1400)
+
+ self.vapi.nat_set_mss_clamping(enable=1, mss_value=1500)
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ # Negotiated MSS value smaller than configured - unchanged
+ self.verify_mss_value(capture[0], 1400)
+
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
+ def test_ha_send(self):
+ """ Send HA session synchronization events (active) """
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat_ha_set_listener(ip_address=self.pg3.local_ip4,
+ port=12345,
+ path_mtu=512)
+ self.vapi.nat_ha_set_failover(ip_address=self.pg3.remote_ip4,
+ port=12346, session_refresh_interval=10)
+ bind_layers(UDP, HANATStateSync, sport=12345)
+
+ # create sessions
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+ # active send HA events
+ self.vapi.nat_ha_flush()
+ stats = self.statistics.get_counter('/nat44/ha/add-event-send')
+ self.assertEqual(stats[0][0], 3)
+ capture = self.pg3.get_capture(1)
+ p = capture[0]
+ self.assert_packet_checksums_valid(p)
+ try:
+ ip = p[IP]
+ udp = p[UDP]
+ hanat = p[HANATStateSync]
+ except IndexError:
+ self.logger.error(ppp("Invalid packet:", p))
+ raise
+ else:
+ self.assertEqual(ip.src, self.pg3.local_ip4)
+ self.assertEqual(ip.dst, self.pg3.remote_ip4)
+ self.assertEqual(udp.sport, 12345)
+ self.assertEqual(udp.dport, 12346)
+ self.assertEqual(hanat.version, 1)
+ self.assertEqual(hanat.thread_index, 0)
+ self.assertEqual(hanat.count, 3)
+ seq = hanat.sequence_number
+ for event in hanat.events:
+ self.assertEqual(event.event_type, 1)
+ self.assertEqual(event.in_addr, self.pg0.remote_ip4)
+ self.assertEqual(event.out_addr, self.nat_addr)
+ self.assertEqual(event.fib_index, 0)
+
+ # ACK received events
+ ack = (Ether(dst=self.pg3.local_mac, src=self.pg3.remote_mac) /
+ IP(src=self.pg3.remote_ip4, dst=self.pg3.local_ip4) /
+ UDP(sport=12346, dport=12345) /
+ HANATStateSync(sequence_number=seq, flags='ACK'))
+ self.pg3.add_stream(ack)
+ self.pg_start()
+ stats = self.statistics.get_counter('/nat44/ha/ack-recv')
+ self.assertEqual(stats[0][0], 1)
+
+ # delete one session
+ self.pg_enable_capture(self.pg_interfaces)
+ self.vapi.nat44_del_session(address=self.pg0.remote_ip4n,
+ port=self.tcp_port_in,
+ protocol=IP_PROTOS.tcp,
+ flags=self.config_flags.NAT_IS_INSIDE)
+ self.vapi.nat_ha_flush()
+ stats = self.statistics.get_counter('/nat44/ha/del-event-send')
+ self.assertEqual(stats[0][0], 1)
+ capture = self.pg3.get_capture(1)
+ p = capture[0]
+ try:
+ hanat = p[HANATStateSync]
+ except IndexError:
+ self.logger.error(ppp("Invalid packet:", p))
+ raise
+ else:
+ self.assertGreater(hanat.sequence_number, seq)
+
+ # do not send ACK, active retry send HA event again
+ self.pg_enable_capture(self.pg_interfaces)
+ sleep(12)
+ stats = self.statistics.get_counter('/nat44/ha/retry-count')
+ self.assertEqual(stats[0][0], 3)
+ stats = self.statistics.get_counter('/nat44/ha/missed-count')
+ self.assertEqual(stats[0][0], 1)
+ capture = self.pg3.get_capture(3)
+ for packet in capture:
+ self.assertEqual(packet, p)
+
+ # session counters refresh
+ pkts = self.create_stream_out(self.pg1)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg0.get_capture(2)
+ self.vapi.nat_ha_flush()
+ stats = self.statistics.get_counter('/nat44/ha/refresh-event-send')
+ self.assertEqual(stats[0][0], 2)
+ capture = self.pg3.get_capture(1)
+ p = capture[0]
+ self.assert_packet_checksums_valid(p)
+ try:
+ ip = p[IP]
+ udp = p[UDP]
+ hanat = p[HANATStateSync]
+ except IndexError:
+ self.logger.error(ppp("Invalid packet:", p))
+ raise
+ else:
+ self.assertEqual(ip.src, self.pg3.local_ip4)
+ self.assertEqual(ip.dst, self.pg3.remote_ip4)
+ self.assertEqual(udp.sport, 12345)
+ self.assertEqual(udp.dport, 12346)
+ self.assertEqual(hanat.version, 1)
+ self.assertEqual(hanat.count, 2)
+ seq = hanat.sequence_number
+ for event in hanat.events:
+ self.assertEqual(event.event_type, 3)
+ self.assertEqual(event.out_addr, self.nat_addr)
+ self.assertEqual(event.fib_index, 0)
+ self.assertEqual(event.total_pkts, 2)
+ self.assertGreater(event.total_bytes, 0)
+
+ ack = (Ether(dst=self.pg3.local_mac, src=self.pg3.remote_mac) /
+ IP(src=self.pg3.remote_ip4, dst=self.pg3.local_ip4) /
+ UDP(sport=12346, dport=12345) /
+ HANATStateSync(sequence_number=seq, flags='ACK'))
+ self.pg3.add_stream(ack)
+ self.pg_start()
+ stats = self.statistics.get_counter('/nat44/ha/ack-recv')
+ self.assertEqual(stats[0][0], 2)
+
+ def test_ha_recv(self):
+ """ Receive HA session synchronization events (passive) """
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat_ha_set_listener(ip_address=self.pg3.local_ip4,
+ port=12345,
+ path_mtu=512)
+ bind_layers(UDP, HANATStateSync, sport=12345)
+
+ self.tcp_port_out = random.randint(1025, 65535)
+ self.udp_port_out = random.randint(1025, 65535)
+
+ # send HA session add events to failover/passive
+ p = (Ether(dst=self.pg3.local_mac, src=self.pg3.remote_mac) /
+ IP(src=self.pg3.remote_ip4, dst=self.pg3.local_ip4) /
+ UDP(sport=12346, dport=12345) /
+ HANATStateSync(sequence_number=1, events=[
+ Event(event_type='add', protocol='tcp',
+ in_addr=self.pg0.remote_ip4, out_addr=self.nat_addr,
+ in_port=self.tcp_port_in, out_port=self.tcp_port_out,
+ eh_addr=self.pg1.remote_ip4,
+ ehn_addr=self.pg1.remote_ip4,
+ eh_port=self.tcp_external_port,
+ ehn_port=self.tcp_external_port, fib_index=0),
+ Event(event_type='add', protocol='udp',
+ in_addr=self.pg0.remote_ip4, out_addr=self.nat_addr,
+ in_port=self.udp_port_in, out_port=self.udp_port_out,
+ eh_addr=self.pg1.remote_ip4,
+ ehn_addr=self.pg1.remote_ip4,
+ eh_port=self.udp_external_port,
+ ehn_port=self.udp_external_port, fib_index=0)]))
+
+ self.pg3.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ # receive ACK
+ capture = self.pg3.get_capture(1)
+ p = capture[0]
+ try:
+ hanat = p[HANATStateSync]
+ except IndexError:
+ self.logger.error(ppp("Invalid packet:", p))
+ raise
+ else:
+ self.assertEqual(hanat.sequence_number, 1)
+ self.assertEqual(hanat.flags, 'ACK')
+ self.assertEqual(hanat.version, 1)
+ self.assertEqual(hanat.thread_index, 0)
+ stats = self.statistics.get_counter('/nat44/ha/ack-send')
+ self.assertEqual(stats[0][0], 1)
+ stats = self.statistics.get_counter('/nat44/ha/add-event-recv')
+ self.assertEqual(stats[0][0], 2)
+ users = self.statistics.get_counter('/nat44/total-users')
+ self.assertEqual(users[0][0], 1)
+ sessions = self.statistics.get_counter('/nat44/total-sessions')
+ self.assertEqual(sessions[0][0], 2)
+ users = self.vapi.nat44_user_dump()
+ self.assertEqual(len(users), 1)
+ self.assertEqual(str(users[0].ip_address),
+ self.pg0.remote_ip4)
+ # there should be 2 sessions created by HA
+ sessions = self.vapi.nat44_user_session_dump(users[0].ip_address,
+ users[0].vrf_id)
+ self.assertEqual(len(sessions), 2)
+ for session in sessions:
+ self.assertEqual(str(session.inside_ip_address),
+ self.pg0.remote_ip4)
+ self.assertEqual(str(session.outside_ip_address),
+ self.nat_addr)
+ self.assertIn(session.inside_port,
+ [self.tcp_port_in, self.udp_port_in])
+ self.assertIn(session.outside_port,
+ [self.tcp_port_out, self.udp_port_out])
+ self.assertIn(session.protocol, [IP_PROTOS.tcp, IP_PROTOS.udp])
+
+ # send HA session delete event to failover/passive
+ p = (Ether(dst=self.pg3.local_mac, src=self.pg3.remote_mac) /
+ IP(src=self.pg3.remote_ip4, dst=self.pg3.local_ip4) /
+ UDP(sport=12346, dport=12345) /
+ HANATStateSync(sequence_number=2, events=[
+ Event(event_type='del', protocol='udp',
+ in_addr=self.pg0.remote_ip4, out_addr=self.nat_addr,
+ in_port=self.udp_port_in, out_port=self.udp_port_out,
+ eh_addr=self.pg1.remote_ip4,
+ ehn_addr=self.pg1.remote_ip4,
+ eh_port=self.udp_external_port,
+ ehn_port=self.udp_external_port, fib_index=0)]))
+
+ self.pg3.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ # receive ACK
+ capture = self.pg3.get_capture(1)
+ p = capture[0]
+ try:
+ hanat = p[HANATStateSync]
+ except IndexError:
+ self.logger.error(ppp("Invalid packet:", p))
+ raise
+ else:
+ self.assertEqual(hanat.sequence_number, 2)
+ self.assertEqual(hanat.flags, 'ACK')
+ self.assertEqual(hanat.version, 1)
+ users = self.vapi.nat44_user_dump()
+ self.assertEqual(len(users), 1)
+ self.assertEqual(str(users[0].ip_address),
+ self.pg0.remote_ip4)
+ # now we should have only 1 session, 1 deleted by HA
+ sessions = self.vapi.nat44_user_session_dump(users[0].ip_address,
+ users[0].vrf_id)
+ self.assertEqual(len(sessions), 1)
+ stats = self.statistics.get_counter('/nat44/ha/del-event-recv')
+ self.assertEqual(stats[0][0], 1)
+
+ stats = self.statistics.get_err_counter('/err/nat-ha/pkts-processed')
+ self.assertEqual(stats, 2)
+
+ # send HA session refresh event to failover/passive
+ p = (Ether(dst=self.pg3.local_mac, src=self.pg3.remote_mac) /
+ IP(src=self.pg3.remote_ip4, dst=self.pg3.local_ip4) /
+ UDP(sport=12346, dport=12345) /
+ HANATStateSync(sequence_number=3, events=[
+ Event(event_type='refresh', protocol='tcp',
+ in_addr=self.pg0.remote_ip4, out_addr=self.nat_addr,
+ in_port=self.tcp_port_in, out_port=self.tcp_port_out,
+ eh_addr=self.pg1.remote_ip4,
+ ehn_addr=self.pg1.remote_ip4,
+ eh_port=self.tcp_external_port,
+ ehn_port=self.tcp_external_port, fib_index=0,
+ total_bytes=1024, total_pkts=2)]))
+ self.pg3.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ # receive ACK
+ capture = self.pg3.get_capture(1)
+ p = capture[0]
+ try:
+ hanat = p[HANATStateSync]
+ except IndexError:
+ self.logger.error(ppp("Invalid packet:", p))
+ raise
+ else:
+ self.assertEqual(hanat.sequence_number, 3)
+ self.assertEqual(hanat.flags, 'ACK')
+ self.assertEqual(hanat.version, 1)
+ users = self.vapi.nat44_user_dump()
+ self.assertEqual(len(users), 1)
+ self.assertEqual(str(users[0].ip_address),
+ self.pg0.remote_ip4)
+ sessions = self.vapi.nat44_user_session_dump(users[0].ip_address,
+ users[0].vrf_id)
+ self.assertEqual(len(sessions), 1)
+ session = sessions[0]
+ self.assertEqual(session.total_bytes, 1024)
+ self.assertEqual(session.total_pkts, 2)
+ stats = self.statistics.get_counter('/nat44/ha/refresh-event-recv')
+ self.assertEqual(stats[0][0], 1)
+
+ stats = self.statistics.get_err_counter('/err/nat-ha/pkts-processed')
+ self.assertEqual(stats, 3)
+
+ # send packet to test session created by HA
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=self.tcp_external_port, dport=self.tcp_port_out))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ except IndexError:
+ self.logger.error(ppp("Invalid packet:", p))
+ raise
+ else:
+ self.assertEqual(ip.src, self.pg1.remote_ip4)
+ self.assertEqual(ip.dst, self.pg0.remote_ip4)
+ self.assertEqual(tcp.sport, self.tcp_external_port)
+ self.assertEqual(tcp.dport, self.tcp_port_in)
+
+ def tearDown(self):
+ super(TestNAT44, self).tearDown()
+ self.clear_nat44()
+ self.vapi.cli("clear logging")
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.cli("show nat44 addresses"))
+ self.logger.info(self.vapi.cli("show nat44 interfaces"))
+ self.logger.info(self.vapi.cli("show nat44 static mappings"))
+ self.logger.info(self.vapi.cli("show nat44 interface address"))
+ self.logger.info(self.vapi.cli("show nat44 sessions detail"))
+ self.logger.info(self.vapi.cli("show nat virtual-reassembly"))
+ self.logger.info(self.vapi.cli("show nat44 hash tables detail"))
+ self.logger.info(self.vapi.cli("show nat timeouts"))
+ self.logger.info(
+ self.vapi.cli("show nat addr-port-assignment-alg"))
+ self.logger.info(self.vapi.cli("show nat ha"))
+
+
+class TestNAT44EndpointDependent(MethodHolder):
+ """ Endpoint-Dependent mapping and filtering test cases """
+
+ @classmethod
+ def setUpConstants(cls):
+ super(TestNAT44EndpointDependent, cls).setUpConstants()
+ cls.vpp_cmdline.extend(["nat", "{", "endpoint-dependent", "}"])
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestNAT44EndpointDependent, cls).setUpClass()
+ cls.vapi.cli("set log class nat level debug")
+ try:
+ cls.tcp_port_in = 6303
+ cls.tcp_port_out = 6303
+ cls.udp_port_in = 6304
+ cls.udp_port_out = 6304
+ cls.icmp_id_in = 6305
+ cls.icmp_id_out = 6305
+ cls.nat_addr = '10.0.0.3'
+ cls.ipfix_src_port = 4739
+ cls.ipfix_domain_id = 1
+ cls.tcp_external_port = 80
+
+ cls.create_pg_interfaces(range(7))
+ cls.interfaces = list(cls.pg_interfaces[0:3])
+
+ for i in cls.interfaces:
+ i.admin_up()
+ i.config_ip4()
+ i.resolve_arp()
+
+ cls.pg0.generate_remote_hosts(3)
+ cls.pg0.configure_ipv4_neighbors()
+
+ cls.pg3.admin_up()
+
+ cls.pg4.generate_remote_hosts(2)
+ cls.pg4.config_ip4()
+ cls.vapi.sw_interface_add_del_address(
+ sw_if_index=cls.pg4.sw_if_index,
+ prefix=VppIpPrefix("10.0.0.1", 24).encode())
+
+ cls.pg4.admin_up()
+ cls.pg4.resolve_arp()
+ cls.pg4._remote_hosts[1]._ip4 = cls.pg4._remote_hosts[0]._ip4
+ cls.pg4.resolve_arp()
+
+ zero_ip4n = socket.inet_pton(socket.AF_INET, "0.0.0.0")
+ cls.vapi.ip_table_add_del(is_add=1, table_id=1)
+
+ cls.pg5._local_ip4 = VppIpPrefix("10.1.1.1",
+ cls.pg5.local_ip4_prefix.len)
+ cls.pg5._remote_hosts[0]._ip4 = "10.1.1.2"
+ cls.pg5._remote_hosts[0]._ip4n = socket.inet_pton(
+ socket.AF_INET, cls.pg5.remote_ip4)
+ cls.pg5.set_table_ip4(1)
+ cls.pg5.config_ip4()
+ cls.pg5.admin_up()
+ r1 = VppIpRoute(cls, cls.pg5.remote_ip4, 32,
+ [VppRoutePath("0.0.0.0",
+ cls.pg5.sw_if_index)],
+ table_id=1,
+ register=False)
+ r1.add_vpp_config()
+
+ cls.pg6._local_ip4 = VppIpPrefix("10.1.2.1",
+ cls.pg6.local_ip4_prefix.len)
+ cls.pg6._remote_hosts[0]._ip4 = "10.1.2.2"
+ cls.pg6._remote_hosts[0]._ip4n = socket.inet_pton(
+ socket.AF_INET, cls.pg6.remote_ip4)
+ cls.pg6.set_table_ip4(1)
+ cls.pg6.config_ip4()
+ cls.pg6.admin_up()
+
+ r2 = VppIpRoute(cls, cls.pg6.remote_ip4, 32,
+ [VppRoutePath("0.0.0.0",
+ cls.pg6.sw_if_index)],
+ table_id=1,
+ register=False)
+ r3 = VppIpRoute(cls, cls.pg6.remote_ip4, 16,
+ [VppRoutePath("0.0.0.0",
+ 0xffffffff,
+ nh_table_id=1)],
+ table_id=0,
+ register=False)
+ r4 = VppIpRoute(cls, "0.0.0.0", 0,
+ [VppRoutePath("0.0.0.0", 0xffffffff,
+ nh_table_id=0)],
+ table_id=1,
+ register=False)
+ r5 = VppIpRoute(cls, "0.0.0.0", 0,
+ [VppRoutePath(cls.pg1.local_ip4,
+ cls.pg1.sw_if_index)],
+ register=False)
+ r2.add_vpp_config()
+ r3.add_vpp_config()
+ r4.add_vpp_config()
+ r5.add_vpp_config()
+
+ cls.pg5.resolve_arp()
+ cls.pg6.resolve_arp()
+
+ except Exception:
+ super(TestNAT44EndpointDependent, cls).tearDownClass()
+ raise
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestNAT44EndpointDependent, cls).tearDownClass()
+
+ def test_frag_in_order(self):
+ """ NAT44 translate fragments arriving in order """
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.frag_in_order(proto=IP_PROTOS.tcp)
+ self.frag_in_order(proto=IP_PROTOS.udp)
+ self.frag_in_order(proto=IP_PROTOS.icmp)
+
+ def test_frag_in_order_dont_translate(self):
+ """ NAT44 don't translate fragments arriving in order """
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_forwarding_enable_disable(enable=True)
+ reas_cfg1 = self.vapi.nat_get_reass()
+ # this test was intermittently failing in some cases
+ # until we temporarily bump the reassembly timeouts
+ self.vapi.nat_set_reass(timeout=20, max_reass=1024, max_frag=5,
+ drop_frag=0)
+ self.frag_in_order(proto=IP_PROTOS.tcp, dont_translate=True)
+ # restore the reassembly timeouts
+ self.vapi.nat_set_reass(timeout=reas_cfg1.ip4_timeout,
+ max_reass=reas_cfg1.ip4_max_reass,
+ max_frag=reas_cfg1.ip4_max_frag,
+ drop_frag=reas_cfg1.ip4_drop_frag)
+
+ def test_frag_out_of_order(self):
+ """ NAT44 translate fragments arriving out of order """
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.frag_out_of_order(proto=IP_PROTOS.tcp)
+ self.frag_out_of_order(proto=IP_PROTOS.udp)
+ self.frag_out_of_order(proto=IP_PROTOS.icmp)
+
+ def test_frag_out_of_order_dont_translate(self):
+ """ NAT44 don't translate fragments arriving out of order """
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_forwarding_enable_disable(enable=True)
+ self.frag_out_of_order(proto=IP_PROTOS.tcp, dont_translate=True)
+
+ def test_frag_in_order_in_plus_out(self):
+ """ in+out interface fragments in order """
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ flags=flags, is_add=1)
+
+ self.server = self.pg1.remote_hosts[0]
+
+ self.server_in_addr = self.server.ip4
+ self.server_out_addr = '11.11.11.11'
+ self.server_in_port = random.randint(1025, 65535)
+ self.server_out_port = random.randint(1025, 65535)
+
+ self.nat44_add_address(self.server_out_addr)
+
+ # add static mappings for server
+ self.nat44_add_static_mapping(self.server_in_addr,
+ self.server_out_addr,
+ self.server_in_port,
+ self.server_out_port,
+ proto=IP_PROTOS.tcp)
+ self.nat44_add_static_mapping(self.server_in_addr,
+ self.server_out_addr,
+ self.server_in_port,
+ self.server_out_port,
+ proto=IP_PROTOS.udp)
+ self.nat44_add_static_mapping(self.server_in_addr,
+ self.server_out_addr,
+ proto=IP_PROTOS.icmp)
+
+ self.vapi.nat_set_reass(timeout=10, max_reass=1024, max_frag=5,
+ drop_frag=0)
+
+ self.frag_in_order_in_plus_out(proto=IP_PROTOS.tcp)
+ self.frag_in_order_in_plus_out(proto=IP_PROTOS.udp)
+ self.frag_in_order_in_plus_out(proto=IP_PROTOS.icmp)
+
+ def test_frag_out_of_order_in_plus_out(self):
+ """ in+out interface fragments out of order """
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ flags=flags, is_add=1)
+
+ self.server = self.pg1.remote_hosts[0]
+
+ self.server_in_addr = self.server.ip4
+ self.server_out_addr = '11.11.11.11'
+ self.server_in_port = random.randint(1025, 65535)
+ self.server_out_port = random.randint(1025, 65535)
+
+ self.nat44_add_address(self.server_out_addr)
+
+ # add static mappings for server
+ self.nat44_add_static_mapping(self.server_in_addr,
+ self.server_out_addr,
+ self.server_in_port,
+ self.server_out_port,
+ proto=IP_PROTOS.tcp)
+ self.nat44_add_static_mapping(self.server_in_addr,
+ self.server_out_addr,
+ self.server_in_port,
+ self.server_out_port,
+ proto=IP_PROTOS.udp)
+ self.nat44_add_static_mapping(self.server_in_addr,
+ self.server_out_addr,
+ proto=IP_PROTOS.icmp)
+
+ self.vapi.nat_set_reass(timeout=10, max_reass=1024, max_frag=5,
+ drop_frag=0)
+
+ self.frag_out_of_order_in_plus_out(proto=IP_PROTOS.tcp)
+ self.frag_out_of_order_in_plus_out(proto=IP_PROTOS.udp)
+ self.frag_out_of_order_in_plus_out(proto=IP_PROTOS.icmp)
+
+ def test_reass_hairpinning(self):
+ """ NAT44 fragments hairpinning """
+ self.server = self.pg0.remote_hosts[1]
+ self.host_in_port = random.randint(1025, 65535)
+ self.server_in_port = random.randint(1025, 65535)
+ self.server_out_port = random.randint(1025, 65535)
+
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ # add static mapping for server
+ self.nat44_add_static_mapping(self.server.ip4, self.nat_addr,
+ self.server_in_port,
+ self.server_out_port,
+ proto=IP_PROTOS.tcp)
+ self.nat44_add_static_mapping(self.server.ip4, self.nat_addr,
+ self.server_in_port,
+ self.server_out_port,
+ proto=IP_PROTOS.udp)
+ self.nat44_add_static_mapping(self.server.ip4, self.nat_addr)
+
+ self.reass_hairpinning(proto=IP_PROTOS.tcp)
+ self.reass_hairpinning(proto=IP_PROTOS.udp)
+ self.reass_hairpinning(proto=IP_PROTOS.icmp)
+
+ def test_dynamic(self):
+ """ NAT44 dynamic translation test """
+
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ nat_config = self.vapi.nat_show_config()
+ self.assertEqual(1, nat_config.endpoint_dependent)
+
+ # in2out
+ tcpn = self.statistics.get_err_counter(
+ '/err/nat44-ed-in2out-slowpath/TCP packets')
+ udpn = self.statistics.get_err_counter(
+ '/err/nat44-ed-in2out-slowpath/UDP packets')
+ icmpn = self.statistics.get_err_counter(
+ '/err/nat44-ed-in2out-slowpath/ICMP packets')
+ totaln = self.statistics.get_err_counter(
+ '/err/nat44-ed-in2out-slowpath/good in2out packets processed')
+
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+
+ err = self.statistics.get_err_counter(
+ '/err/nat44-ed-in2out-slowpath/TCP packets')
+ self.assertEqual(err - tcpn, 1)
+ err = self.statistics.get_err_counter(
+ '/err/nat44-ed-in2out-slowpath/UDP packets')
+ self.assertEqual(err - udpn, 1)
+ err = self.statistics.get_err_counter(
+ '/err/nat44-ed-in2out-slowpath/ICMP packets')
+ self.assertEqual(err - icmpn, 1)
+ err = self.statistics.get_err_counter(
+ '/err/nat44-ed-in2out-slowpath/good in2out packets processed')
+ self.assertEqual(err - totaln, 3)
+
+ # out2in
+ tcpn = self.statistics.get_err_counter(
+ '/err/nat44-ed-out2in/TCP packets')
+ udpn = self.statistics.get_err_counter(
+ '/err/nat44-ed-out2in/UDP packets')
+ icmpn = self.statistics.get_err_counter(
+ '/err/nat44-ed-out2in-slowpath/ICMP packets')
+ totaln = self.statistics.get_err_counter(
+ '/err/nat44-ed-out2in/good out2in packets processed')
+
+ pkts = self.create_stream_out(self.pg1)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ err = self.statistics.get_err_counter(
+ '/err/nat44-ed-out2in/TCP packets')
+ self.assertEqual(err - tcpn, 1)
+ err = self.statistics.get_err_counter(
+ '/err/nat44-ed-out2in/UDP packets')
+ self.assertEqual(err - udpn, 1)
+ err = self.statistics.get_err_counter(
+ '/err/nat44-ed-out2in-slowpath/ICMP packets')
+ self.assertEqual(err - icmpn, 1)
+ err = self.statistics.get_err_counter(
+ '/err/nat44-ed-out2in/good out2in packets processed')
+ self.assertEqual(err - totaln, 2)
+
+ users = self.statistics.get_counter('/nat44/total-users')
+ self.assertEqual(users[0][0], 1)
+ sessions = self.statistics.get_counter('/nat44/total-sessions')
+ self.assertEqual(sessions[0][0], 3)
+
+ def test_forwarding(self):
+ """ NAT44 forwarding test """
+
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
+
+ real_ip = self.pg0.remote_ip4
+ alias_ip = self.nat_addr
+ flags = self.config_flags.NAT_IS_ADDR_ONLY
+ self.vapi.nat44_add_del_static_mapping(is_add=1,
+ local_ip_address=real_ip,
+ external_ip_address=alias_ip,
+ external_sw_if_index=0xFFFFFFFF,
+ flags=flags)
+
+ try:
+ # in2out - static mapping match
+
+ pkts = self.create_stream_out(self.pg1)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture, same_port=True)
+
+ # in2out - no static mapping match
+
+ host0 = self.pg0.remote_hosts[0]
+ self.pg0.remote_hosts[0] = self.pg0.remote_hosts[1]
+ try:
+ pkts = self.create_stream_out(self.pg1,
+ dst_ip=self.pg0.remote_ip4,
+ use_inside_ports=True)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip=self.pg0.remote_ip4,
+ same_port=True)
+ finally:
+ self.pg0.remote_hosts[0] = host0
+
+ user = self.pg0.remote_hosts[1]
+ sessions = self.vapi.nat44_user_session_dump(user.ip4n, 0)
+ self.assertEqual(len(sessions), 3)
+ self.assertTrue(sessions[0].flags &
+ self.config_flags.NAT_IS_EXT_HOST_VALID)
+ self.vapi.nat44_del_session(
+ address=sessions[0].inside_ip_address,
+ port=sessions[0].inside_port,
+ protocol=sessions[0].protocol,
+ flags=(self.config_flags.NAT_IS_INSIDE |
+ self.config_flags.NAT_IS_EXT_HOST_VALID),
+ ext_host_address=sessions[0].ext_host_address,
+ ext_host_port=sessions[0].ext_host_port)
+ sessions = self.vapi.nat44_user_session_dump(user.ip4n, 0)
+ self.assertEqual(len(sessions), 2)
+
+ finally:
+ self.vapi.nat44_forwarding_enable_disable(enable=0)
+ flags = self.config_flags.NAT_IS_ADDR_ONLY
+ self.vapi.nat44_add_del_static_mapping(
+ is_add=0,
+ local_ip_address=real_ip,
+ external_ip_address=alias_ip,
+ external_sw_if_index=0xFFFFFFFF,
+ flags=flags)
+
+ def test_static_lb(self):
+ """ NAT44 local service load balancing """
+ external_addr_n = self.nat_addr
+ external_port = 80
+ local_port = 8080
+ server1 = self.pg0.remote_hosts[0]
+ server2 = self.pg0.remote_hosts[1]
+
+ locals = [{'addr': server1.ip4n,
+ 'port': local_port,
+ 'probability': 70,
+ 'vrf_id': 0},
+ {'addr': server2.ip4n,
+ 'port': local_port,
+ 'probability': 30,
+ 'vrf_id': 0}]
+
+ self.nat44_add_address(self.nat_addr)
+ self.vapi.nat44_add_del_lb_static_mapping(
+ is_add=1,
+ external_addr=external_addr_n,
+ external_port=external_port,
+ protocol=IP_PROTOS.tcp,
+ local_num=len(locals),
+ locals=locals)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # from client to service
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=12345, dport=external_port))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ server = None
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertIn(ip.dst, [server1.ip4, server2.ip4])
+ if ip.dst == server1.ip4:
+ server = server1
+ else:
+ server = server2
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from service back to client
+ p = (Ether(src=server.mac, dst=self.pg0.local_mac) /
+ IP(src=server.ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=local_port, dport=12345))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.nat_addr)
+ self.assertEqual(tcp.sport, external_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ sessions = self.vapi.nat44_user_session_dump(server.ip4n, 0)
+ self.assertEqual(len(sessions), 1)
+ self.assertTrue(sessions[0].flags &
+ self.config_flags.NAT_IS_EXT_HOST_VALID)
+ self.vapi.nat44_del_session(
+ address=sessions[0].inside_ip_address,
+ port=sessions[0].inside_port,
+ protocol=sessions[0].protocol,
+ flags=(self.config_flags.NAT_IS_INSIDE |
+ self.config_flags.NAT_IS_EXT_HOST_VALID),
+ ext_host_address=sessions[0].ext_host_address,
+ ext_host_port=sessions[0].ext_host_port)
+ sessions = self.vapi.nat44_user_session_dump(server.ip4n, 0)
+ self.assertEqual(len(sessions), 0)
+
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
+ def test_static_lb_multi_clients(self):
+ """ NAT44 local service load balancing - multiple clients"""
+
+ external_addr = self.nat_addr
+ external_port = 80
+ local_port = 8080
+ server1 = self.pg0.remote_hosts[0]
+ server2 = self.pg0.remote_hosts[1]
+ server3 = self.pg0.remote_hosts[2]
+
+ locals = [{'addr': server1.ip4n,
+ 'port': local_port,
+ 'probability': 90,
+ 'vrf_id': 0},
+ {'addr': server2.ip4n,
+ 'port': local_port,
+ 'probability': 10,
+ 'vrf_id': 0}]
+
+ self.nat44_add_address(self.nat_addr)
+ self.vapi.nat44_add_del_lb_static_mapping(is_add=1,
+ external_addr=external_addr,
+ external_port=external_port,
+ protocol=IP_PROTOS.tcp,
+ local_num=len(locals),
+ locals=locals)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ server1_n = 0
+ server2_n = 0
+ clients = ip4_range(self.pg1.remote_ip4, 10, 50)
+ pkts = []
+ for client in clients:
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=client, dst=self.nat_addr) /
+ TCP(sport=12345, dport=external_port))
+ pkts.append(p)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ for p in capture:
+ if p[IP].dst == server1.ip4:
+ server1_n += 1
+ else:
+ server2_n += 1
+ self.assertGreater(server1_n, server2_n)
+
+ local = {
+ 'addr': server3.ip4n,
+ 'port': local_port,
+ 'probability': 20,
+ 'vrf_id': 0
+ }
+
+ # add new back-end
+ self.vapi.nat44_lb_static_mapping_add_del_local(
+ is_add=1,
+ external_addr=external_addr,
+ external_port=external_port,
+ local=local,
+ protocol=IP_PROTOS.tcp)
+ server1_n = 0
+ server2_n = 0
+ server3_n = 0
+ clients = ip4_range(self.pg1.remote_ip4, 60, 110)
+ pkts = []
+ for client in clients:
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=client, dst=self.nat_addr) /
+ TCP(sport=12346, dport=external_port))
+ pkts.append(p)
+ self.assertGreater(len(pkts), 0)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ for p in capture:
+ if p[IP].dst == server1.ip4:
+ server1_n += 1
+ elif p[IP].dst == server2.ip4:
+ server2_n += 1
+ else:
+ server3_n += 1
+ self.assertGreater(server1_n, 0)
+ self.assertGreater(server2_n, 0)
+ self.assertGreater(server3_n, 0)
+
+ local = {
+ 'addr': server2.ip4n,
+ 'port': local_port,
+ 'probability': 10,
+ 'vrf_id': 0
+ }
+
+ # remove one back-end
+ self.vapi.nat44_lb_static_mapping_add_del_local(
+ is_add=0,
+ external_addr=external_addr,
+ external_port=external_port,
+ local=local,
+ protocol=IP_PROTOS.tcp)
+ server1_n = 0
+ server2_n = 0
+ server3_n = 0
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ for p in capture:
+ if p[IP].dst == server1.ip4:
+ server1_n += 1
+ elif p[IP].dst == server2.ip4:
+ server2_n += 1
+ else:
+ server3_n += 1
+ self.assertGreater(server1_n, 0)
+ self.assertEqual(server2_n, 0)
+ self.assertGreater(server3_n, 0)
+
+ def test_static_lb_2(self):
+ """ NAT44 local service load balancing (asymmetrical rule) """
+ external_addr = self.nat_addr
+ external_port = 80
+ local_port = 8080
+ server1 = self.pg0.remote_hosts[0]
+ server2 = self.pg0.remote_hosts[1]
+
+ locals = [{'addr': server1.ip4n,
+ 'port': local_port,
+ 'probability': 70,
+ 'vrf_id': 0},
+ {'addr': server2.ip4n,
+ 'port': local_port,
+ 'probability': 30,
+ 'vrf_id': 0}]
+
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
+ flags = self.config_flags.NAT_IS_OUT2IN_ONLY
+ self.vapi.nat44_add_del_lb_static_mapping(is_add=1, flags=flags,
+ external_addr=external_addr,
+ external_port=external_port,
+ protocol=IP_PROTOS.tcp,
+ local_num=len(locals),
+ locals=locals)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # from client to service
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=12345, dport=external_port))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ server = None
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertIn(ip.dst, [server1.ip4, server2.ip4])
+ if ip.dst == server1.ip4:
+ server = server1
+ else:
+ server = server2
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from service back to client
+ p = (Ether(src=server.mac, dst=self.pg0.local_mac) /
+ IP(src=server.ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=local_port, dport=12345))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.nat_addr)
+ self.assertEqual(tcp.sport, external_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from client to server (no translation)
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=server1.ip4) /
+ TCP(sport=12346, dport=local_port))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ server = None
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, server1.ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from service back to client (no translation)
+ p = (Ether(src=server1.mac, dst=self.pg0.local_mac) /
+ IP(src=server1.ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=local_port, dport=12346))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, server1.ip4)
+ self.assertEqual(tcp.sport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ def test_lb_affinity(self):
+ """ NAT44 local service load balancing affinity """
+ external_addr = self.nat_addr
+ external_port = 80
+ local_port = 8080
+ server1 = self.pg0.remote_hosts[0]
+ server2 = self.pg0.remote_hosts[1]
+
+ locals = [{'addr': server1.ip4n,
+ 'port': local_port,
+ 'probability': 50,
+ 'vrf_id': 0},
+ {'addr': server2.ip4n,
+ 'port': local_port,
+ 'probability': 50,
+ 'vrf_id': 0}]
+
+ self.nat44_add_address(self.nat_addr)
+ self.vapi.nat44_add_del_lb_static_mapping(is_add=1,
+ external_addr=external_addr,
+ external_port=external_port,
+ protocol=IP_PROTOS.tcp,
+ affinity=10800,
+ local_num=len(locals),
+ locals=locals)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=1025, dport=external_port))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ backend = capture[0][IP].dst
+
+ sessions = self.vapi.nat44_user_session_dump(backend, 0)
+ self.assertEqual(len(sessions), 1)
+ self.assertTrue(sessions[0].flags &
+ self.config_flags.NAT_IS_EXT_HOST_VALID)
+ self.vapi.nat44_del_session(
+ address=sessions[0].inside_ip_address,
+ port=sessions[0].inside_port,
+ protocol=sessions[0].protocol,
+ flags=(self.config_flags.NAT_IS_INSIDE |
+ self.config_flags.NAT_IS_EXT_HOST_VALID),
+ ext_host_address=sessions[0].ext_host_address,
+ ext_host_port=sessions[0].ext_host_port)
+
+ pkts = []
+ for port in range(1030, 1100):
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=port, dport=external_port))
+ pkts.append(p)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ for p in capture:
+ self.assertEqual(p[IP].dst, backend)
+
+ def test_unknown_proto(self):
+ """ NAT44 translate packet with unknown protocol """
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # in2out
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=self.tcp_port_in, dport=20))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ p = self.pg1.get_capture(1)
+
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ GRE() /
+ IP(src=self.pg2.remote_ip4, dst=self.pg2.remote_ip4) /
+ TCP(sport=1234, dport=1234))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ p = self.pg1.get_capture(1)
+ packet = p[0]
+ try:
+ self.assertEqual(packet[IP].src, self.nat_addr)
+ self.assertEqual(packet[IP].dst, self.pg1.remote_ip4)
+ self.assertEqual(packet.haslayer(GRE), 1)
+ self.assert_packet_checksums_valid(packet)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ # out2in
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ GRE() /
+ IP(src=self.pg2.remote_ip4, dst=self.pg2.remote_ip4) /
+ TCP(sport=1234, dport=1234))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ p = self.pg0.get_capture(1)
+ packet = p[0]
+ try:
+ self.assertEqual(packet[IP].src, self.pg1.remote_ip4)
+ self.assertEqual(packet[IP].dst, self.pg0.remote_ip4)
+ self.assertEqual(packet.haslayer(GRE), 1)
+ self.assert_packet_checksums_valid(packet)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ def test_hairpinning_unknown_proto(self):
+ """ NAT44 translate packet with unknown protocol - hairpinning """
+ host = self.pg0.remote_hosts[0]
+ server = self.pg0.remote_hosts[1]
+ host_in_port = 1234
+ server_out_port = 8765
+ server_nat_ip = "10.0.0.11"
+
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # add static mapping for server
+ self.nat44_add_static_mapping(server.ip4, server_nat_ip)
+
+ # host to server
+ p = (Ether(src=host.mac, dst=self.pg0.local_mac) /
+ IP(src=host.ip4, dst=server_nat_ip) /
+ TCP(sport=host_in_port, dport=server_out_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg0.get_capture(1)
+
+ p = (Ether(dst=self.pg0.local_mac, src=host.mac) /
+ IP(src=host.ip4, dst=server_nat_ip) /
+ GRE() /
+ IP(src=self.pg2.remote_ip4, dst=self.pg2.remote_ip4) /
+ TCP(sport=1234, dport=1234))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ p = self.pg0.get_capture(1)
+ packet = p[0]
+ try:
+ self.assertEqual(packet[IP].src, self.nat_addr)
+ self.assertEqual(packet[IP].dst, server.ip4)
+ self.assertEqual(packet.haslayer(GRE), 1)
+ self.assert_packet_checksums_valid(packet)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ # server to host
+ p = (Ether(dst=self.pg0.local_mac, src=server.mac) /
+ IP(src=server.ip4, dst=self.nat_addr) /
+ GRE() /
+ IP(src=self.pg2.remote_ip4, dst=self.pg2.remote_ip4) /
+ TCP(sport=1234, dport=1234))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ p = self.pg0.get_capture(1)
+ packet = p[0]
+ try:
+ self.assertEqual(packet[IP].src, server_nat_ip)
+ self.assertEqual(packet[IP].dst, host.ip4)
+ self.assertEqual(packet.haslayer(GRE), 1)
+ self.assert_packet_checksums_valid(packet)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ def test_output_feature_and_service(self):
+ """ NAT44 interface output feature and services """
+ external_addr = '1.2.3.4'
+ external_port = 80
+ local_port = 8080
+
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_ADDR_ONLY
+ self.vapi.nat44_add_del_identity_mapping(
+ ip_address=self.pg1.remote_ip4n, sw_if_index=0xFFFFFFFF,
+ flags=flags, is_add=1)
+ flags = self.config_flags.NAT_IS_OUT2IN_ONLY
+ self.nat44_add_static_mapping(self.pg0.remote_ip4, external_addr,
+ local_port, external_port,
+ proto=IP_PROTOS.tcp, flags=flags)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1,
+ sw_if_index=self.pg1.sw_if_index)
+
+ # from client to service
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=external_addr) /
+ TCP(sport=12345, dport=external_port))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg0.remote_ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from service back to client
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=local_port, dport=12345))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, external_addr)
+ self.assertEqual(tcp.sport, external_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from local network host to external network
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+
+ # from external network back to local network host
+ pkts = self.create_stream_out(self.pg1)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ def test_output_feature_and_service2(self):
+ """ NAT44 interface output feature and service host direct access """
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
+ self.nat44_add_address(self.nat_addr)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1,
+ sw_if_index=self.pg1.sw_if_index)
+
+ # session initiated from service host - translate
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+
+ pkts = self.create_stream_out(self.pg1)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ # session initiated from remote host - do not translate
+ self.tcp_port_in = 60303
+ self.udp_port_in = 60304
+ self.icmp_id_in = 60305
+ pkts = self.create_stream_out(self.pg1,
+ self.pg0.remote_ip4,
+ use_inside_ports=True)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip=self.pg0.remote_ip4,
+ same_port=True)
+
+ def test_output_feature_and_service3(self):
+ """ NAT44 interface output feature and DST NAT """
+ external_addr = '1.2.3.4'
+ external_port = 80
+ local_port = 8080
+
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_OUT2IN_ONLY
+ self.nat44_add_static_mapping(self.pg1.remote_ip4, external_addr,
+ local_port, external_port,
+ proto=IP_PROTOS.tcp, flags=flags)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1,
+ sw_if_index=self.pg1.sw_if_index)
+
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=external_addr) /
+ TCP(sport=12345, dport=external_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.pg0.remote_ip4)
+ self.assertEqual(tcp.sport, 12345)
+ self.assertEqual(ip.dst, self.pg1.remote_ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.pg0.remote_ip4) /
+ TCP(sport=local_port, dport=12345))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, external_addr)
+ self.assertEqual(tcp.sport, external_port)
+ self.assertEqual(ip.dst, self.pg0.remote_ip4)
+ self.assertEqual(tcp.dport, 12345)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ def test_next_src_nat(self):
+ """ On way back forward packet to nat44-in2out node. """
+ twice_nat_addr = '10.0.1.3'
+ external_port = 80
+ local_port = 8080
+ post_twice_nat_port = 0
+
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
+ self.nat44_add_address(twice_nat_addr, twice_nat=1)
+ flags = (self.config_flags.NAT_IS_OUT2IN_ONLY |
+ self.config_flags.NAT_IS_SELF_TWICE_NAT)
+ self.nat44_add_static_mapping(self.pg6.remote_ip4, self.pg1.remote_ip4,
+ local_port, external_port,
+ proto=IP_PROTOS.tcp, vrf_id=1,
+ flags=flags)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg6.sw_if_index,
+ is_add=1)
+
+ p = (Ether(src=self.pg6.remote_mac, dst=self.pg6.local_mac) /
+ IP(src=self.pg6.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=12345, dport=external_port))
+ self.pg6.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg6.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, twice_nat_addr)
+ self.assertNotEqual(tcp.sport, 12345)
+ post_twice_nat_port = tcp.sport
+ self.assertEqual(ip.dst, self.pg6.remote_ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ p = (Ether(src=self.pg6.remote_mac, dst=self.pg6.local_mac) /
+ IP(src=self.pg6.remote_ip4, dst=twice_nat_addr) /
+ TCP(sport=local_port, dport=post_twice_nat_port))
+ self.pg6.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg6.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.pg1.remote_ip4)
+ self.assertEqual(tcp.sport, external_port)
+ self.assertEqual(ip.dst, self.pg6.remote_ip4)
+ self.assertEqual(tcp.dport, 12345)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ def twice_nat_common(self, self_twice_nat=False, same_pg=False, lb=False,
+ client_id=None):
+ twice_nat_addr = '10.0.1.3'
+
+ port_in = 8080
+ if lb:
+ if not same_pg:
+ port_in1 = port_in
+ port_in2 = port_in
+ else:
+ port_in1 = port_in + 1
+ port_in2 = port_in + 2
+
+ port_out = 80
+ eh_port_out = 4567
+
+ server1 = self.pg0.remote_hosts[0]
+ server2 = self.pg0.remote_hosts[1]
+ if lb and same_pg:
+ server2 = server1
+ if not lb:
+ server = server1
+
+ pg0 = self.pg0
+ if same_pg:
+ pg1 = self.pg0
+ else:
+ pg1 = self.pg1
+
+ eh_translate = ((not self_twice_nat) or (not lb and same_pg) or
+ client_id == 1)
+
+ self.nat44_add_address(self.nat_addr)
+ self.nat44_add_address(twice_nat_addr, twice_nat=1)
+
+ flags = 0
+ if self_twice_nat:
+ flags |= self.config_flags.NAT_IS_SELF_TWICE_NAT
+ else:
+ flags |= self.config_flags.NAT_IS_TWICE_NAT
+
+ if not lb:
+ self.nat44_add_static_mapping(pg0.remote_ip4, self.nat_addr,
+ port_in, port_out,
+ proto=IP_PROTOS.tcp,
+ flags=flags)
+ else:
+ locals = [{'addr': server1.ip4n,
+ 'port': port_in1,
+ 'probability': 50,
+ 'vrf_id': 0},
+ {'addr': server2.ip4n,
+ 'port': port_in2,
+ 'probability': 50,
+ 'vrf_id': 0}]
+ out_addr = self.nat_addr
+
+ self.vapi.nat44_add_del_lb_static_mapping(is_add=1, flags=flags,
+ external_addr=out_addr,
+ external_port=port_out,
+ protocol=IP_PROTOS.tcp,
+ local_num=len(locals),
+ locals=locals)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=pg1.sw_if_index,
+ is_add=1)
+
+ if same_pg:
+ if not lb:
+ client = server
+ else:
+ assert client_id is not None
+ if client_id == 1:
+ client = self.pg0.remote_hosts[0]
+ elif client_id == 2:
+ client = self.pg0.remote_hosts[1]
+ else:
+ client = pg1.remote_hosts[0]
+ p = (Ether(src=pg1.remote_mac, dst=pg1.local_mac) /
+ IP(src=client.ip4, dst=self.nat_addr) /
+ TCP(sport=eh_port_out, dport=port_out))
+ pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ if lb:
+ if ip.dst == server1.ip4:
+ server = server1
+ port_in = port_in1
+ else:
+ server = server2
+ port_in = port_in2
+ self.assertEqual(ip.dst, server.ip4)
+ if lb and same_pg:
+ self.assertIn(tcp.dport, [port_in1, port_in2])
+ else:
+ self.assertEqual(tcp.dport, port_in)
+ if eh_translate:
+ self.assertEqual(ip.src, twice_nat_addr)
+ self.assertNotEqual(tcp.sport, eh_port_out)
+ else:
+ self.assertEqual(ip.src, client.ip4)
+ self.assertEqual(tcp.sport, eh_port_out)
+ eh_addr_in = ip.src
+ eh_port_in = tcp.sport
+ saved_port_in = tcp.dport
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ p = (Ether(src=server.mac, dst=pg0.local_mac) /
+ IP(src=server.ip4, dst=eh_addr_in) /
+ TCP(sport=saved_port_in, dport=eh_port_in))
+ pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = pg1.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, client.ip4)
+ self.assertEqual(ip.src, self.nat_addr)
+ self.assertEqual(tcp.dport, eh_port_out)
+ self.assertEqual(tcp.sport, port_out)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ if eh_translate:
+ sessions = self.vapi.nat44_user_session_dump(server.ip4n, 0)
+ self.assertEqual(len(sessions), 1)
+ self.assertTrue(sessions[0].flags &
+ self.config_flags.NAT_IS_EXT_HOST_VALID)
+ self.assertTrue(sessions[0].flags &
+ self.config_flags.NAT_IS_TWICE_NAT)
+ self.logger.info(self.vapi.cli("show nat44 sessions detail"))
+ self.vapi.nat44_del_session(
+ address=sessions[0].inside_ip_address,
+ port=sessions[0].inside_port,
+ protocol=sessions[0].protocol,
+ flags=(self.config_flags.NAT_IS_INSIDE |
+ self.config_flags.NAT_IS_EXT_HOST_VALID),
+ ext_host_address=sessions[0].ext_host_nat_address,
+ ext_host_port=sessions[0].ext_host_nat_port)
+ sessions = self.vapi.nat44_user_session_dump(server.ip4n, 0)
+ self.assertEqual(len(sessions), 0)
+
+ def test_twice_nat(self):
+ """ Twice NAT44 """
+ self.twice_nat_common()
+
+ def test_self_twice_nat_positive(self):
+ """ Self Twice NAT44 (positive test) """
+ self.twice_nat_common(self_twice_nat=True, same_pg=True)
+
+ def test_self_twice_nat_negative(self):
+ """ Self Twice NAT44 (negative test) """
+ self.twice_nat_common(self_twice_nat=True)
+
+ def test_twice_nat_lb(self):
+ """ Twice NAT44 local service load balancing """
+ self.twice_nat_common(lb=True)
+
+ def test_self_twice_nat_lb_positive(self):
+ """ Self Twice NAT44 local service load balancing (positive test) """
+ self.twice_nat_common(lb=True, self_twice_nat=True, same_pg=True,
+ client_id=1)
+
+ def test_self_twice_nat_lb_negative(self):
+ """ Self Twice NAT44 local service load balancing (negative test) """
+ self.twice_nat_common(lb=True, self_twice_nat=True, same_pg=True,
+ client_id=2)
+
+ def test_twice_nat_interface_addr(self):
+ """ Acquire twice NAT44 addresses from interface """
+ flags = self.config_flags.NAT_IS_TWICE_NAT
+ self.vapi.nat44_add_del_interface_addr(
+ is_add=1,
+ sw_if_index=self.pg3.sw_if_index,
+ flags=flags)
+
+ # no address in NAT pool
+ adresses = self.vapi.nat44_address_dump()
+ self.assertEqual(0, len(adresses))
+
+ # configure interface address and check NAT address pool
+ self.pg3.config_ip4()
+ adresses = self.vapi.nat44_address_dump()
+ self.assertEqual(1, len(adresses))
+ self.assertEqual(str(adresses[0].ip_address),
+ self.pg3.local_ip4)
+ self.assertEqual(adresses[0].flags, flags)
+
+ # remove interface address and check NAT address pool
+ self.pg3.unconfig_ip4()
+ adresses = self.vapi.nat44_address_dump()
+ self.assertEqual(0, len(adresses))
+
+ def test_tcp_close(self):
+ """ Close TCP session from inside network - output feature """
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
+ self.nat44_add_address(self.pg1.local_ip4)
+ twice_nat_addr = '10.0.1.3'
+ service_ip = '192.168.16.150'
+ self.nat44_add_address(twice_nat_addr, twice_nat=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1,
+ sw_if_index=self.pg1.sw_if_index)
+ flags = (self.config_flags.NAT_IS_OUT2IN_ONLY |
+ self.config_flags.NAT_IS_TWICE_NAT)
+ self.nat44_add_static_mapping(self.pg0.remote_ip4,
+ service_ip,
+ 80,
+ 80,
+ proto=IP_PROTOS.tcp,
+ flags=flags)
+ sessions = self.vapi.nat44_user_session_dump(self.pg0.remote_ip4n, 0)
+ start_sessnum = len(sessions)
+
+ # SYN packet out->in
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=service_ip) /
+ TCP(sport=33898, dport=80, flags="S"))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ tcp_port = p[TCP].sport
+
+ # SYN + ACK packet in->out
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=twice_nat_addr) /
+ TCP(sport=80, dport=tcp_port, flags="SA"))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(1)
+
+ # ACK packet out->in
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=service_ip) /
+ TCP(sport=33898, dport=80, flags="A"))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg0.get_capture(1)
+
+ # FIN packet in -> out
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=twice_nat_addr) /
+ TCP(sport=80, dport=tcp_port, flags="FA", seq=100, ack=300))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(1)
+
+ # FIN+ACK packet out -> in
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=service_ip) /
+ TCP(sport=33898, dport=80, flags="FA", seq=300, ack=101))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg0.get_capture(1)
+
+ # ACK packet in -> out
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=twice_nat_addr) /
+ TCP(sport=80, dport=tcp_port, flags="A", seq=101, ack=301))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(1)
+
+ sessions = self.vapi.nat44_user_session_dump(self.pg0.remote_ip4n,
+ 0)
+ self.assertEqual(len(sessions) - start_sessnum, 0)
+
+ def test_tcp_session_close_in(self):
+ """ Close TCP session from inside network """
+ self.tcp_port_out = 10505
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_TWICE_NAT
+ self.nat44_add_static_mapping(self.pg0.remote_ip4,
+ self.nat_addr,
+ self.tcp_port_in,
+ self.tcp_port_out,
+ proto=IP_PROTOS.tcp,
+ flags=flags)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ sessions = self.vapi.nat44_user_session_dump(self.pg0.remote_ip4n, 0)
+ start_sessnum = len(sessions)
+
+ self.initiate_tcp_session(self.pg0, self.pg1)
+
+ # FIN packet in -> out
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=self.tcp_port_in, dport=self.tcp_external_port,
+ flags="FA", seq=100, ack=300))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(1)
+
+ pkts = []
+
+ # ACK packet out -> in
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=self.tcp_external_port, dport=self.tcp_port_out,
+ flags="A", seq=300, ack=101))
+ pkts.append(p)
+
+ # FIN packet out -> in
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=self.tcp_external_port, dport=self.tcp_port_out,
+ flags="FA", seq=300, ack=101))
+ pkts.append(p)
+
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg0.get_capture(2)
+
+ # ACK packet in -> out
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=self.tcp_port_in, dport=self.tcp_external_port,
+ flags="A", seq=101, ack=301))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(1)
+
+ sessions = self.vapi.nat44_user_session_dump(self.pg0.remote_ip4n,
+ 0)
+ self.assertEqual(len(sessions) - start_sessnum, 0)
+
+ def test_tcp_session_close_out(self):
+ """ Close TCP session from outside network """
+ self.tcp_port_out = 10505
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_TWICE_NAT
+ self.nat44_add_static_mapping(self.pg0.remote_ip4,
+ self.nat_addr,
+ self.tcp_port_in,
+ self.tcp_port_out,
+ proto=IP_PROTOS.tcp,
+ flags=flags)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ sessions = self.vapi.nat44_user_session_dump(self.pg0.remote_ip4n, 0)
+ start_sessnum = len(sessions)
+
+ self.initiate_tcp_session(self.pg0, self.pg1)
+
+ # FIN packet out -> in
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=self.tcp_external_port, dport=self.tcp_port_out,
+ flags="FA", seq=100, ack=300))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg0.get_capture(1)
+
+ # FIN+ACK packet in -> out
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=self.tcp_port_in, dport=self.tcp_external_port,
+ flags="FA", seq=300, ack=101))
+
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(1)
+
+ # ACK packet out -> in
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=self.tcp_external_port, dport=self.tcp_port_out,
+ flags="A", seq=101, ack=301))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg0.get_capture(1)
+
+ sessions = self.vapi.nat44_user_session_dump(self.pg0.remote_ip4n,
+ 0)
+ self.assertEqual(len(sessions) - start_sessnum, 0)
+
+ def test_tcp_session_close_simultaneous(self):
+ """ Close TCP session from inside network """
+ self.tcp_port_out = 10505
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_TWICE_NAT
+ self.nat44_add_static_mapping(self.pg0.remote_ip4,
+ self.nat_addr,
+ self.tcp_port_in,
+ self.tcp_port_out,
+ proto=IP_PROTOS.tcp,
+ flags=flags)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ sessions = self.vapi.nat44_user_session_dump(self.pg0.remote_ip4n, 0)
+ start_sessnum = len(sessions)
+
+ self.initiate_tcp_session(self.pg0, self.pg1)
+
+ # FIN packet in -> out
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=self.tcp_port_in, dport=self.tcp_external_port,
+ flags="FA", seq=100, ack=300))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(1)
+
+ # FIN packet out -> in
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=self.tcp_external_port, dport=self.tcp_port_out,
+ flags="FA", seq=300, ack=100))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg0.get_capture(1)
+
+ # ACK packet in -> out
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=self.tcp_port_in, dport=self.tcp_external_port,
+ flags="A", seq=101, ack=301))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(1)
+
+ # ACK packet out -> in
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=self.tcp_external_port, dport=self.tcp_port_out,
+ flags="A", seq=301, ack=101))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg0.get_capture(1)
+
+ sessions = self.vapi.nat44_user_session_dump(self.pg0.remote_ip4n,
+ 0)
+ self.assertEqual(len(sessions) - start_sessnum, 0)
+
+ def test_one_armed_nat44_static(self):
+ """ One armed NAT44 and 1:1 NAPT asymmetrical rule """
+ remote_host = self.pg4.remote_hosts[0]
+ local_host = self.pg4.remote_hosts[1]
+ external_port = 80
+ local_port = 8080
+ eh_port_in = 0
+
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
+ self.nat44_add_address(self.nat_addr, twice_nat=1)
+ flags = (self.config_flags.NAT_IS_OUT2IN_ONLY |
+ self.config_flags.NAT_IS_TWICE_NAT)
+ self.nat44_add_static_mapping(local_host.ip4, self.nat_addr,
+ local_port, external_port,
+ proto=IP_PROTOS.tcp, flags=flags)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg4.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg4.sw_if_index,
+ flags=flags, is_add=1)
+
+ # from client to service
+ p = (Ether(src=self.pg4.remote_mac, dst=self.pg4.local_mac) /
+ IP(src=remote_host.ip4, dst=self.nat_addr) /
+ TCP(sport=12345, dport=external_port))
+ self.pg4.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg4.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, local_host.ip4)
+ self.assertEqual(ip.src, self.nat_addr)
+ self.assertEqual(tcp.dport, local_port)
+ self.assertNotEqual(tcp.sport, 12345)
+ eh_port_in = tcp.sport
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from service back to client
+ p = (Ether(src=self.pg4.remote_mac, dst=self.pg4.local_mac) /
+ IP(src=local_host.ip4, dst=self.nat_addr) /
+ TCP(sport=local_port, dport=eh_port_in))
+ self.pg4.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg4.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.nat_addr)
+ self.assertEqual(ip.dst, remote_host.ip4)
+ self.assertEqual(tcp.sport, external_port)
+ self.assertEqual(tcp.dport, 12345)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ def test_static_with_port_out2(self):
+ """ 1:1 NAPT asymmetrical rule """
+
+ external_port = 80
+ local_port = 8080
+
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
+ flags = self.config_flags.NAT_IS_OUT2IN_ONLY
+ self.nat44_add_static_mapping(self.pg0.remote_ip4, self.nat_addr,
+ local_port, external_port,
+ proto=IP_PROTOS.tcp, flags=flags)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # from client to service
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=12345, dport=external_port))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg0.remote_ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # ICMP error
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ ICMP(type=11) / capture[0][IP])
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ p = capture[0]
+ try:
+ self.assertEqual(p[IP].src, self.nat_addr)
+ inner = p[IPerror]
+ self.assertEqual(inner.dst, self.nat_addr)
+ self.assertEqual(inner[TCPerror].dport, external_port)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from service back to client
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=local_port, dport=12345))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.nat_addr)
+ self.assertEqual(tcp.sport, external_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # ICMP error
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ ICMP(type=11) / capture[0][IP])
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ self.assertEqual(p[IP].dst, self.pg0.remote_ip4)
+ inner = p[IPerror]
+ self.assertEqual(inner.src, self.pg0.remote_ip4)
+ self.assertEqual(inner[TCPerror].sport, local_port)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from client to server (no translation)
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.pg0.remote_ip4) /
+ TCP(sport=12346, dport=local_port))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg0.remote_ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from service back to client (no translation)
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=local_port, dport=12346))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.pg0.remote_ip4)
+ self.assertEqual(tcp.sport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ def test_output_feature(self):
+ """ NAT44 interface output feature (in2out postrouting) """
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
+ self.nat44_add_address(self.nat_addr)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1,
+ sw_if_index=self.pg1.sw_if_index)
+
+ # in2out
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture)
+
+ # out2in
+ pkts = self.create_stream_out(self.pg1)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ def test_multiple_vrf(self):
+ """ Multiple VRF setup """
+ external_addr = '1.2.3.4'
+ external_port = 80
+ local_port = 8080
+ port = 0
+
+ self.vapi.nat44_forwarding_enable_disable(enable=1)
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_output_feature(
+ is_add=1,
+ sw_if_index=self.pg1.sw_if_index)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg5.sw_if_index,
+ is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg5.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg6.sw_if_index,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_OUT2IN_ONLY
+ self.nat44_add_static_mapping(self.pg5.remote_ip4, external_addr,
+ local_port, external_port, vrf_id=1,
+ proto=IP_PROTOS.tcp, flags=flags)
+ self.nat44_add_static_mapping(
+ self.pg0.remote_ip4,
+ external_sw_if_index=self.pg0.sw_if_index,
+ local_port=local_port,
+ vrf_id=0,
+ external_port=external_port,
+ proto=IP_PROTOS.tcp,
+ flags=flags
+ )
+
+ # from client to service (both VRF1)
+ p = (Ether(src=self.pg6.remote_mac, dst=self.pg6.local_mac) /
+ IP(src=self.pg6.remote_ip4, dst=external_addr) /
+ TCP(sport=12345, dport=external_port))
+ self.pg6.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg5.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg5.remote_ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from service back to client (both VRF1)
+ p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) /
+ IP(src=self.pg5.remote_ip4, dst=self.pg6.remote_ip4) /
+ TCP(sport=local_port, dport=12345))
+ self.pg5.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg6.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, external_addr)
+ self.assertEqual(tcp.sport, external_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # dynamic NAT from VRF1 to VRF0 (output-feature)
+ p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) /
+ IP(src=self.pg5.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=2345, dport=22))
+ self.pg5.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.nat_addr)
+ self.assertNotEqual(tcp.sport, 2345)
+ self.assert_packet_checksums_valid(p)
+ port = tcp.sport
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=22, dport=port))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg5.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg5.remote_ip4)
+ self.assertEqual(tcp.dport, 2345)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from client VRF1 to service VRF0
+ p = (Ether(src=self.pg6.remote_mac, dst=self.pg6.local_mac) /
+ IP(src=self.pg6.remote_ip4, dst=self.pg0.local_ip4) /
+ TCP(sport=12346, dport=external_port))
+ self.pg6.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg0.remote_ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from service VRF0 back to client VRF1
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg6.remote_ip4) /
+ TCP(sport=local_port, dport=12346))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg6.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.pg0.local_ip4)
+ self.assertEqual(tcp.sport, external_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from client VRF0 to service VRF1
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=external_addr) /
+ TCP(sport=12347, dport=external_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg5.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg5.remote_ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from service VRF1 back to client VRF0
+ p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) /
+ IP(src=self.pg5.remote_ip4, dst=self.pg0.remote_ip4) /
+ TCP(sport=local_port, dport=12347))
+ self.pg5.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, external_addr)
+ self.assertEqual(tcp.sport, external_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from client to server (both VRF1, no translation)
+ p = (Ether(src=self.pg6.remote_mac, dst=self.pg6.local_mac) /
+ IP(src=self.pg6.remote_ip4, dst=self.pg5.remote_ip4) /
+ TCP(sport=12348, dport=local_port))
+ self.pg6.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg5.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg5.remote_ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from server back to client (both VRF1, no translation)
+ p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) /
+ IP(src=self.pg5.remote_ip4, dst=self.pg6.remote_ip4) /
+ TCP(sport=local_port, dport=12348))
+ self.pg5.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg6.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.pg5.remote_ip4)
+ self.assertEqual(tcp.sport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from client VRF1 to server VRF0 (no translation)
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg6.remote_ip4) /
+ TCP(sport=local_port, dport=12349))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg6.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.pg0.remote_ip4)
+ self.assertEqual(tcp.sport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from server VRF0 back to client VRF1 (no translation)
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg6.remote_ip4) /
+ TCP(sport=local_port, dport=12349))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg6.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.pg0.remote_ip4)
+ self.assertEqual(tcp.sport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from client VRF0 to server VRF1 (no translation)
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg5.remote_ip4) /
+ TCP(sport=12344, dport=local_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg5.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.dst, self.pg5.remote_ip4)
+ self.assertEqual(tcp.dport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # from server VRF1 back to client VRF0 (no translation)
+ p = (Ether(src=self.pg5.remote_mac, dst=self.pg5.local_mac) /
+ IP(src=self.pg5.remote_ip4, dst=self.pg0.remote_ip4) /
+ TCP(sport=local_port, dport=12344))
+ self.pg5.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.pg5.remote_ip4)
+ self.assertEqual(tcp.sport, local_port)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
+ def test_session_timeout(self):
+ """ NAT44 session timeouts """
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat_set_timeouts(udp=300, tcp_established=7440,
+ tcp_transitory=240, icmp=5)
+
+ max_sessions = 1000
+ pkts = []
+ for i in range(0, max_sessions):
+ src = "10.10.%u.%u" % ((i & 0xFF00) >> 8, i & 0xFF)
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=src, dst=self.pg1.remote_ip4) /
+ ICMP(id=1025, type='echo-request'))
+ pkts.append(p)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(max_sessions)
+
+ sleep(10)
+
+ pkts = []
+ for i in range(0, max_sessions):
+ src = "10.11.%u.%u" % ((i & 0xFF00) >> 8, i & 0xFF)
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=src, dst=self.pg1.remote_ip4) /
+ ICMP(id=1026, type='echo-request'))
+ pkts.append(p)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(max_sessions)
+
+ nsessions = 0
+ users = self.vapi.nat44_user_dump()
+ for user in users:
+ nsessions = nsessions + user.nsessions
+ self.assertLess(nsessions, 2 * max_sessions)
+
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
+ def test_session_rst_timeout(self):
+ """ NAT44 session RST timeouts """
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.nat_set_timeouts(udp=300, tcp_established=7440,
+ tcp_transitory=5, icmp=60)
+
+ self.initiate_tcp_session(self.pg0, self.pg1)
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=self.tcp_port_in, dport=self.tcp_external_port,
+ flags="R"))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(1)
+
+ sleep(6)
+
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=self.tcp_port_in + 1, dport=self.tcp_external_port + 1,
+ flags="S"))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(1)
+
+ nsessions = 0
+ users = self.vapi.nat44_user_dump()
+ self.assertEqual(len(users), 1)
+ self.assertEqual(str(users[0].ip_address),
+ self.pg0.remote_ip4)
+ self.assertEqual(users[0].nsessions, 1)
+
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
+ def test_session_limit_per_user(self):
+ """ Maximum sessions per user limit """
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.set_ipfix_exporter(collector_address=self.pg2.remote_ip4n,
+ src_address=self.pg2.local_ip4n,
+ path_mtu=512,
+ template_interval=10)
+ self.vapi.nat_set_timeouts(udp=5, tcp_established=7440,
+ tcp_transitory=240, icmp=60)
+
+ # get maximum number of translations per user
+ nat44_config = self.vapi.nat_show_config()
+
+ pkts = []
+ for port in range(0, nat44_config.max_translations_per_user):
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ UDP(sport=1025 + port, dport=1025 + port))
+ pkts.append(p)
+
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+
+ self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
+ src_port=self.ipfix_src_port,
+ enable=1)
+
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ UDP(sport=3001, dport=3002))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.assert_nothing_captured()
+
+ # verify IPFIX logging
+ self.vapi.ipfix_flush()
+ sleep(1)
+ capture = self.pg2.get_capture(10)
+ ipfix = IPFIXDecoder()
+ # first load template
+ for p in capture:
+ self.assertTrue(p.haslayer(IPFIX))
+ if p.haslayer(Template):
+ ipfix.add_template(p.getlayer(Template))
+ # verify events in data set
+ for p in capture:
+ if p.haslayer(Data):
+ data = ipfix.decode_data_set(p.getlayer(Set))
+ self.verify_ipfix_max_entries_per_user(
+ data,
+ nat44_config.max_translations_per_user,
+ self.pg0.remote_ip4n)
+
+ sleep(6)
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ UDP(sport=3001, dport=3002))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(1)
+
+ def test_syslog_sess(self):
+ """ Test syslog session creation and deletion """
+ self.vapi.syslog_set_filter(
+ self.SYSLOG_SEVERITY.SYSLOG_API_SEVERITY_INFO)
+ self.vapi.syslog_set_sender(self.pg2.local_ip4n, self.pg2.remote_ip4n)
+ self.nat44_add_address(self.nat_addr)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=self.tcp_port_in, dport=self.tcp_external_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ self.tcp_port_out = capture[0][TCP].sport
+ capture = self.pg2.get_capture(1)
+ self.verify_syslog_sess(capture[0][Raw].load)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.nat44_add_address(self.nat_addr, is_add=0)
+ capture = self.pg2.get_capture(1)
+ self.verify_syslog_sess(capture[0][Raw].load, False)
+
+ def tearDown(self):
+ super(TestNAT44EndpointDependent, self).tearDown()
+ if not self.vpp_dead:
+ self.clear_nat44()
+ self.vapi.cli("clear logging")
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.cli("show nat44 addresses"))
+ self.logger.info(self.vapi.cli("show nat44 interfaces"))
+ self.logger.info(self.vapi.cli("show nat44 static mappings"))
+ self.logger.info(self.vapi.cli("show nat44 interface address"))
+ self.logger.info(self.vapi.cli("show nat44 sessions detail"))
+ self.logger.info(self.vapi.cli("show nat44 hash tables detail"))
+ self.logger.info(self.vapi.cli("show nat timeouts"))
+
+
+class TestNAT44Out2InDPO(MethodHolder):
+ """ NAT44 Test Cases using out2in DPO """
+
+ @classmethod
+ def setUpConstants(cls):
+ super(TestNAT44Out2InDPO, cls).setUpConstants()
+ cls.vpp_cmdline.extend(["nat", "{", "out2in dpo", "}"])
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestNAT44Out2InDPO, cls).setUpClass()
+ cls.vapi.cli("set log class nat level debug")
+
+ try:
+ cls.tcp_port_in = 6303
+ cls.tcp_port_out = 6303
+ cls.udp_port_in = 6304
+ cls.udp_port_out = 6304
+ cls.icmp_id_in = 6305
+ cls.icmp_id_out = 6305
+ cls.nat_addr = '10.0.0.3'
+ cls.dst_ip4 = '192.168.70.1'
+
+ cls.create_pg_interfaces(range(2))
+
+ cls.pg0.admin_up()
+ cls.pg0.config_ip4()
+ cls.pg0.resolve_arp()
+
+ cls.pg1.admin_up()
+ cls.pg1.config_ip6()
+ cls.pg1.resolve_ndp()
+
+ r1 = VppIpRoute(cls, "::", 0,
+ [VppRoutePath(cls.pg1.remote_ip6,
+ cls.pg1.sw_if_index)],
+ register=False)
+ r1.add_vpp_config()
+
+ except Exception:
+ super(TestNAT44Out2InDPO, cls).tearDownClass()
+ raise
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestNAT44Out2InDPO, cls).tearDownClass()
+
+ def configure_xlat(self):
+ self.dst_ip6_pfx = '1:2:3::'
+ self.dst_ip6_pfx_n = socket.inet_pton(socket.AF_INET6,
+ self.dst_ip6_pfx)
+ self.dst_ip6_pfx_len = 96
+ self.src_ip6_pfx = '4:5:6::'
+ self.src_ip6_pfx_n = socket.inet_pton(socket.AF_INET6,
+ self.src_ip6_pfx)
+ self.src_ip6_pfx_len = 96
+ self.vapi.map_add_domain(self.dst_ip6_pfx_n, self.dst_ip6_pfx_len,
+ self.src_ip6_pfx_n, self.src_ip6_pfx_len,
+ '\x00\x00\x00\x00', 0)
+
+ @unittest.skip('Temporary disabled')
+ def test_464xlat_ce(self):
+ """ Test 464XLAT CE with NAT44 """
+
+ nat_config = self.vapi.nat_show_config()
+ self.assertEqual(1, nat_config.out2in_dpo)
+
+ self.configure_xlat()
+
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_add_del_address_range(first_ip_address=self.nat_addr_n,
+ last_ip_address=self.nat_addr_n,
+ vrf_id=0xFFFFFFFF, is_add=1)
+
+ out_src_ip6 = self.compose_ip6(self.dst_ip4, self.dst_ip6_pfx,
+ self.dst_ip6_pfx_len)
+ out_dst_ip6 = self.compose_ip6(self.nat_addr, self.src_ip6_pfx,
+ self.src_ip6_pfx_len)
+
+ try:
+ pkts = self.create_stream_in(self.pg0, self.pg1, self.dst_ip4)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out_ip6(capture, nat_ip=out_dst_ip6,
+ dst_ip=out_src_ip6)
+
+ pkts = self.create_stream_out_ip6(self.pg1, out_src_ip6,
+ out_dst_ip6)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+ finally:
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags)
+ self.vapi.nat44_add_del_address_range(
+ first_ip_address=self.nat_addr_n,
+ last_ip_address=self.nat_addr_n,
+ vrf_id=0xFFFFFFFF)
+
+ @unittest.skip('Temporary disabled')
+ def test_464xlat_ce_no_nat(self):
+ """ Test 464XLAT CE without NAT44 """
+
+ self.configure_xlat()
+
+ out_src_ip6 = self.compose_ip6(self.dst_ip4, self.dst_ip6_pfx,
+ self.dst_ip6_pfx_len)
+ out_dst_ip6 = self.compose_ip6(self.pg0.remote_ip4, self.src_ip6_pfx,
+ self.src_ip6_pfx_len)
+
+ pkts = self.create_stream_in(self.pg0, self.pg1, self.dst_ip4)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out_ip6(capture, dst_ip=out_src_ip6,
+ nat_ip=out_dst_ip6, same_port=True)
+
+ pkts = self.create_stream_out_ip6(self.pg1, out_src_ip6, out_dst_ip6)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+
+class TestDeterministicNAT(MethodHolder):
+ """ Deterministic NAT Test Cases """
+
+ @classmethod
+ def setUpConstants(cls):
+ super(TestDeterministicNAT, cls).setUpConstants()
+ cls.vpp_cmdline.extend(["nat", "{", "deterministic", "}"])
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestDeterministicNAT, cls).setUpClass()
+ cls.vapi.cli("set log class nat level debug")
+
+ try:
+ cls.tcp_port_in = 6303
+ cls.tcp_external_port = 6303
+ cls.udp_port_in = 6304
+ cls.udp_external_port = 6304
+ cls.icmp_id_in = 6305
+ cls.nat_addr = '10.0.0.3'
+
+ cls.create_pg_interfaces(range(3))
+ cls.interfaces = list(cls.pg_interfaces)
+
+ for i in cls.interfaces:
+ i.admin_up()
+ i.config_ip4()
+ i.resolve_arp()
+
+ cls.pg0.generate_remote_hosts(2)
+ cls.pg0.configure_ipv4_neighbors()
+
+ except Exception:
+ super(TestDeterministicNAT, cls).tearDownClass()
+ raise
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestDeterministicNAT, cls).tearDownClass()
+
+ def create_stream_in(self, in_if, out_if, ttl=64):
+ """
+ Create packet stream for inside network
+
+ :param in_if: Inside interface
+ :param out_if: Outside interface
+ :param ttl: TTL of generated packets
+ """
+ pkts = []
+ # TCP
+ p = (Ether(dst=in_if.local_mac, src=in_if.remote_mac) /
+ IP(src=in_if.remote_ip4, dst=out_if.remote_ip4, ttl=ttl) /
+ TCP(sport=self.tcp_port_in, dport=self.tcp_external_port))
+ pkts.append(p)
+
+ # UDP
+ p = (Ether(dst=in_if.local_mac, src=in_if.remote_mac) /
+ IP(src=in_if.remote_ip4, dst=out_if.remote_ip4, ttl=ttl) /
+ UDP(sport=self.udp_port_in, dport=self.udp_external_port))
+ pkts.append(p)
+
+ # ICMP
+ p = (Ether(dst=in_if.local_mac, src=in_if.remote_mac) /
+ IP(src=in_if.remote_ip4, dst=out_if.remote_ip4, ttl=ttl) /
+ ICMP(id=self.icmp_id_in, type='echo-request'))
+ pkts.append(p)
+
+ return pkts
+
+ def create_stream_out(self, out_if, dst_ip=None, ttl=64):
+ """
+ Create packet stream for outside network
+
+ :param out_if: Outside interface
+ :param dst_ip: Destination IP address (Default use global NAT address)
+ :param ttl: TTL of generated packets
+ """
+ if dst_ip is None:
+ dst_ip = self.nat_addr
+ pkts = []
+ # TCP
+ p = (Ether(dst=out_if.local_mac, src=out_if.remote_mac) /
+ IP(src=out_if.remote_ip4, dst=dst_ip, ttl=ttl) /
+ TCP(dport=self.tcp_port_out, sport=self.tcp_external_port))
+ pkts.append(p)
+
+ # UDP
+ p = (Ether(dst=out_if.local_mac, src=out_if.remote_mac) /
+ IP(src=out_if.remote_ip4, dst=dst_ip, ttl=ttl) /
+ UDP(dport=self.udp_port_out, sport=self.udp_external_port))
+ pkts.append(p)
+
+ # ICMP
+ p = (Ether(dst=out_if.local_mac, src=out_if.remote_mac) /
+ IP(src=out_if.remote_ip4, dst=dst_ip, ttl=ttl) /
+ ICMP(id=self.icmp_external_id, type='echo-reply'))
+ pkts.append(p)
+
+ return pkts
+
+ def verify_capture_out(self, capture, nat_ip=None):
+ """
+ Verify captured packets on outside network
+
+ :param capture: Captured packets
+ :param nat_ip: Translated IP address (Default use global NAT address)
+ :param same_port: Source port number is not translated (Default False)
+ """
+ if nat_ip is None:
+ nat_ip = self.nat_addr
+ for packet in capture:
+ try:
+ self.assertEqual(packet[IP].src, nat_ip)
+ if packet.haslayer(TCP):
+ self.tcp_port_out = packet[TCP].sport
+ elif packet.haslayer(UDP):
+ self.udp_port_out = packet[UDP].sport
+ else:
+ self.icmp_external_id = packet[ICMP].id
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet "
+ "(outside network):", packet))
+ raise
+
+ def test_deterministic_mode(self):
+ """ NAT plugin run deterministic mode """
+ in_addr = '172.16.255.0'
+ out_addr = '172.17.255.50'
+ in_addr_t = '172.16.255.20'
+ in_plen = 24
+ out_plen = 32
+
+ nat_config = self.vapi.nat_show_config()
+ self.assertEqual(1, nat_config.deterministic)
+
+ self.vapi.nat_det_add_del_map(is_add=1, in_addr=in_addr,
+ in_plen=in_plen, out_addr=out_addr,
+ out_plen=out_plen)
+
+ rep1 = self.vapi.nat_det_forward(in_addr_t)
+ self.assertEqual(str(rep1.out_addr), out_addr)
+ rep2 = self.vapi.nat_det_reverse(rep1.out_port_hi, out_addr)
+
+ self.assertEqual(str(rep2.in_addr), in_addr_t)
+
+ deterministic_mappings = self.vapi.nat_det_map_dump()
+ self.assertEqual(len(deterministic_mappings), 1)
+ dsm = deterministic_mappings[0]
+ self.assertEqual(in_addr, str(dsm.in_addr))
+ self.assertEqual(in_plen, dsm.in_plen)
+ self.assertEqual(out_addr, str(dsm.out_addr))
+ self.assertEqual(out_plen, dsm.out_plen)
+
+ self.clear_nat_det()
+ deterministic_mappings = self.vapi.nat_det_map_dump()
+ self.assertEqual(len(deterministic_mappings), 0)
+
+ def test_set_timeouts(self):
+ """ Set deterministic NAT timeouts """
+ timeouts_before = self.vapi.nat_get_timeouts()
+
+ self.vapi.nat_set_timeouts(
+ udp=timeouts_before.udp + 10,
+ tcp_established=timeouts_before.tcp_established + 10,
+ tcp_transitory=timeouts_before.tcp_transitory + 10,
+ icmp=timeouts_before.icmp + 10)
+
+ timeouts_after = self.vapi.nat_get_timeouts()
+
+ self.assertNotEqual(timeouts_before.udp, timeouts_after.udp)
+ self.assertNotEqual(timeouts_before.icmp, timeouts_after.icmp)
+ self.assertNotEqual(timeouts_before.tcp_established,
+ timeouts_after.tcp_established)
+ self.assertNotEqual(timeouts_before.tcp_transitory,
+ timeouts_after.tcp_transitory)
+
+ def test_det_in(self):
+ """ Deterministic NAT translation test (TCP, UDP, ICMP) """
+
+ nat_ip = "10.0.0.10"
+
+ self.vapi.nat_det_add_del_map(is_add=1, in_addr=self.pg0.remote_ip4n,
+ in_plen=32,
+ out_addr=socket.inet_aton(nat_ip),
+ out_plen=32)
+
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # in2out
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip)
+
+ # out2in
+ pkts = self.create_stream_out(self.pg1, nat_ip)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in(capture, self.pg0)
+
+ # session dump test
+ sessions = self.vapi.nat_det_session_dump(self.pg0.remote_ip4n)
+ self.assertEqual(len(sessions), 3)
+
+ # TCP session
+ s = sessions[0]
+ self.assertEqual(str(s.ext_addr), self.pg1.remote_ip4)
+ self.assertEqual(s.in_port, self.tcp_port_in)
+ self.assertEqual(s.out_port, self.tcp_port_out)
+ self.assertEqual(s.ext_port, self.tcp_external_port)
+
+ # UDP session
+ s = sessions[1]
+ self.assertEqual(str(s.ext_addr), self.pg1.remote_ip4)
+ self.assertEqual(s.in_port, self.udp_port_in)
+ self.assertEqual(s.out_port, self.udp_port_out)
+ self.assertEqual(s.ext_port, self.udp_external_port)
+
+ # ICMP session
+ s = sessions[2]
+ self.assertEqual(str(s.ext_addr), self.pg1.remote_ip4)
+ self.assertEqual(s.in_port, self.icmp_id_in)
+ self.assertEqual(s.out_port, self.icmp_external_id)
+
+ def test_multiple_users(self):
+ """ Deterministic NAT multiple users """
+
+ nat_ip = "10.0.0.10"
+ port_in = 80
+ external_port = 6303
+
+ host0 = self.pg0.remote_hosts[0]
+ host1 = self.pg0.remote_hosts[1]
+
+ self.vapi.nat_det_add_del_map(is_add=1, in_addr=host0.ip4n, in_plen=24,
+ out_addr=socket.inet_aton(nat_ip),
+ out_plen=32)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ # host0 to out
+ p = (Ether(src=host0.mac, dst=self.pg0.local_mac) /
+ IP(src=host0.ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=port_in, dport=external_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, nat_ip)
+ self.assertEqual(ip.dst, self.pg1.remote_ip4)
+ self.assertEqual(tcp.dport, external_port)
+ port_out0 = tcp.sport
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # host1 to out
+ p = (Ether(src=host1.mac, dst=self.pg0.local_mac) /
+ IP(src=host1.ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=port_in, dport=external_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, nat_ip)
+ self.assertEqual(ip.dst, self.pg1.remote_ip4)
+ self.assertEqual(tcp.dport, external_port)
+ port_out1 = tcp.sport
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ dms = self.vapi.nat_det_map_dump()
+ self.assertEqual(1, len(dms))
+ self.assertEqual(2, dms[0].ses_num)
+
+ # out to host0
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=nat_ip) /
+ TCP(sport=external_port, dport=port_out0))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.pg1.remote_ip4)
+ self.assertEqual(ip.dst, host0.ip4)
+ self.assertEqual(tcp.dport, port_in)
+ self.assertEqual(tcp.sport, external_port)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # out to host1
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=nat_ip) /
+ TCP(sport=external_port, dport=port_out1))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.pg1.remote_ip4)
+ self.assertEqual(ip.dst, host1.ip4)
+ self.assertEqual(tcp.dport, port_in)
+ self.assertEqual(tcp.sport, external_port)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet", p))
+ raise
+
+ # session close api test
+ self.vapi.nat_det_close_session_out(socket.inet_aton(nat_ip),
+ port_out1,
+ self.pg1.remote_ip4n,
+ external_port)
+ dms = self.vapi.nat_det_map_dump()
+ self.assertEqual(dms[0].ses_num, 1)
+
+ self.vapi.nat_det_close_session_in(host0.ip4n,
+ port_in,
+ self.pg1.remote_ip4n,
+ external_port)
+ dms = self.vapi.nat_det_map_dump()
+ self.assertEqual(dms[0].ses_num, 0)
+
+ def test_tcp_session_close_detection_in(self):
+ """ Deterministic NAT TCP session close from inside network """
+ self.vapi.nat_det_add_del_map(is_add=1, in_addr=self.pg0.remote_ip4n,
+ in_plen=32,
+ out_addr=socket.inet_aton(self.nat_addr),
+ out_plen=32)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ self.initiate_tcp_session(self.pg0, self.pg1)
+
+ # close the session from inside
+ try:
+ # FIN packet in -> out
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=self.tcp_port_in, dport=self.tcp_external_port,
+ flags="F"))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(1)
+
+ pkts = []
+
+ # ACK packet out -> in
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=self.tcp_external_port, dport=self.tcp_port_out,
+ flags="A"))
+ pkts.append(p)
+
+ # FIN packet out -> in
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=self.tcp_external_port, dport=self.tcp_port_out,
+ flags="F"))
+ pkts.append(p)
+
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg0.get_capture(2)
+
+ # ACK packet in -> out
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=self.tcp_port_in, dport=self.tcp_external_port,
+ flags="A"))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(1)
+
+ # Check if deterministic NAT44 closed the session
+ dms = self.vapi.nat_det_map_dump()
+ self.assertEqual(0, dms[0].ses_num)
+ except:
+ self.logger.error("TCP session termination failed")
+ raise
+
+ def test_tcp_session_close_detection_out(self):
+ """ Deterministic NAT TCP session close from outside network """
+ self.vapi.nat_det_add_del_map(is_add=1, in_addr=self.pg0.remote_ip4n,
+ in_plen=32,
+ out_addr=socket.inet_aton(self.nat_addr),
+ out_plen=32)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ self.initiate_tcp_session(self.pg0, self.pg1)
+
+ # close the session from outside
+ try:
+ # FIN packet out -> in
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=self.tcp_external_port, dport=self.tcp_port_out,
+ flags="F"))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg0.get_capture(1)
+
+ pkts = []
+
+ # ACK packet in -> out
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=self.tcp_port_in, dport=self.tcp_external_port,
+ flags="A"))
+ pkts.append(p)
+
+ # ACK packet in -> out
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ TCP(sport=self.tcp_port_in, dport=self.tcp_external_port,
+ flags="F"))
+ pkts.append(p)
+
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(2)
+
+ # ACK packet out -> in
+ p = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=self.tcp_external_port, dport=self.tcp_port_out,
+ flags="A"))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg0.get_capture(1)
+
+ # Check if deterministic NAT44 closed the session
+ dms = self.vapi.nat_det_map_dump()
+ self.assertEqual(0, dms[0].ses_num)
+ except:
+ self.logger.error("TCP session termination failed")
+ raise
+
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
+ def test_session_timeout(self):
+ """ Deterministic NAT session timeouts """
+ self.vapi.nat_det_add_del_map(is_add=1, in_addr=self.pg0.remote_ip4n,
+ in_plen=32,
+ out_addr=socket.inet_aton(self.nat_addr),
+ out_plen=32)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+
+ self.initiate_tcp_session(self.pg0, self.pg1)
+ self.vapi.nat_set_timeouts(udp=5, tcp_established=5, tcp_transitory=5,
+ icmp=5)
+ pkts = self.create_stream_in(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ sleep(15)
+
+ dms = self.vapi.nat_det_map_dump()
+ self.assertEqual(0, dms[0].ses_num)
+
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
+ def test_session_limit_per_user(self):
+ """ Deterministic NAT maximum sessions per user limit """
+ self.vapi.nat_det_add_del_map(is_add=1, in_addr=self.pg0.remote_ip4n,
+ in_plen=32,
+ out_addr=socket.inet_aton(self.nat_addr),
+ out_plen=32)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg0.sw_if_index,
+ flags=flags, is_add=1)
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=self.pg1.sw_if_index,
+ is_add=1)
+ self.vapi.set_ipfix_exporter(collector_address=self.pg2.remote_ip4n,
+ src_address=self.pg2.local_ip4n,
+ path_mtu=512,
+ template_interval=10)
+ self.vapi.nat_ipfix_enable_disable(domain_id=1, src_port=4739,
+ enable=1)
+
+ pkts = []
+ for port in range(1025, 2025):
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ UDP(sport=port, dport=port))
+ pkts.append(p)
+
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4) /
+ UDP(sport=3001, dport=3002))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.assert_nothing_captured()
+
+ # verify ICMP error packet
+ capture = self.pg0.get_capture(1)
+ p = capture[0]
+ self.assertTrue(p.haslayer(ICMP))
+ icmp = p[ICMP]
+ self.assertEqual(icmp.type, 3)
+ self.assertEqual(icmp.code, 1)
+ self.assertTrue(icmp.haslayer(IPerror))
+ inner_ip = icmp[IPerror]
+ self.assertEqual(inner_ip[UDPerror].sport, 3001)
+ self.assertEqual(inner_ip[UDPerror].dport, 3002)
+
+ dms = self.vapi.nat_det_map_dump()
+
+ self.assertEqual(1000, dms[0].ses_num)
+
+ # verify IPFIX logging
+ self.vapi.ipfix_flush()
+ sleep(1)
+ capture = self.pg2.get_capture(2)
+ ipfix = IPFIXDecoder()
+ # first load template
+ for p in capture:
+ self.assertTrue(p.haslayer(IPFIX))
+ if p.haslayer(Template):
+ ipfix.add_template(p.getlayer(Template))
+ # verify events in data set
+ for p in capture:
+ if p.haslayer(Data):
+ data = ipfix.decode_data_set(p.getlayer(Set))
+ self.verify_ipfix_max_entries_per_user(data,
+ 1000,
+ self.pg0.remote_ip4n)
+
+ def clear_nat_det(self):
+ """
+ Clear deterministic NAT configuration.
+ """
+ self.vapi.nat_ipfix_enable_disable(domain_id=1, src_port=4739,
+ enable=0)
+ self.vapi.nat_set_timeouts(udp=300, tcp_established=7440,
+ tcp_transitory=240, icmp=60)
+ deterministic_mappings = self.vapi.nat_det_map_dump()
+ for dsm in deterministic_mappings:
+ self.vapi.nat_det_add_del_map(is_add=0, in_addr=dsm.in_addr,
+ in_plen=dsm.in_plen,
+ out_addr=dsm.out_addr,
+ out_plen=dsm.out_plen)
+
+ interfaces = self.vapi.nat44_interface_dump()
+ for intf in interfaces:
+ self.vapi.nat44_interface_add_del_feature(
+ sw_if_index=intf.sw_if_index,
+ flags=intf.flags)
+
+ def tearDown(self):
+ super(TestDeterministicNAT, self).tearDown()
+ if not self.vpp_dead:
+ self.clear_nat_det()
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.cli("show nat44 interfaces"))
+ self.logger.info(self.vapi.cli("show nat timeouts"))
+ self.logger.info(
+ self.vapi.cli("show nat44 deterministic mappings"))
+ self.logger.info(
+ self.vapi.cli("show nat44 deterministic sessions"))
+
+
+class TestNAT64(MethodHolder):
+ """ NAT64 Test Cases """
+
+ @classmethod
+ def setUpConstants(cls):
+ super(TestNAT64, cls).setUpConstants()
+ cls.vpp_cmdline.extend(["nat", "{", "nat64 bib hash buckets 128",
+ "nat64 st hash buckets 256", "}"])
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestNAT64, cls).setUpClass()
+
+ try:
+ cls.tcp_port_in = 6303
+ cls.tcp_port_out = 6303
+ cls.udp_port_in = 6304
+ cls.udp_port_out = 6304
+ cls.icmp_id_in = 6305
+ cls.icmp_id_out = 6305
+ cls.tcp_external_port = 80
+ cls.nat_addr = '10.0.0.3'
+ cls.nat_addr_n = socket.inet_pton(socket.AF_INET, cls.nat_addr)
+ cls.vrf1_id = 10
+ cls.vrf1_nat_addr = '10.0.10.3'
+ cls.ipfix_src_port = 4739
+ cls.ipfix_domain_id = 1
+
+ cls.create_pg_interfaces(range(6))
+ cls.ip6_interfaces = list(cls.pg_interfaces[0:1])
+ cls.ip6_interfaces.append(cls.pg_interfaces[2])
+ cls.ip4_interfaces = list(cls.pg_interfaces[1:2])
+
+ cls.vapi.ip_table_add_del(is_ipv6=1, is_add=1,
+ table_id=cls.vrf1_id)
+
+ cls.pg_interfaces[2].set_table_ip6(cls.vrf1_id)
+
+ cls.pg0.generate_remote_hosts(2)
+
+ for i in cls.ip6_interfaces:
+ i.admin_up()
+ i.config_ip6()
+ i.configure_ipv6_neighbors()
+
+ for i in cls.ip4_interfaces:
+ i.admin_up()
+ i.config_ip4()
+ i.resolve_arp()
+
+ cls.pg3.admin_up()
+ cls.pg3.config_ip4()
+ cls.pg3.resolve_arp()
+ cls.pg3.config_ip6()
+ cls.pg3.configure_ipv6_neighbors()
+
+ cls.pg5.admin_up()
+ cls.pg5.config_ip6()
+
+ except Exception:
+ super(TestNAT64, cls).tearDownClass()
+ raise
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestNAT64, cls).tearDownClass()
+
+ def test_nat64_inside_interface_handles_neighbor_advertisement(self):
+ """ NAT64 inside interface handles Neighbor Advertisement """
+
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg5.sw_if_index)
+
+ # Try to send ping
+ ping = (Ether(dst=self.pg5.local_mac, src=self.pg5.remote_mac) /
+ IPv6(src=self.pg5.remote_ip6, dst=self.pg5.local_ip6) /
+ ICMPv6EchoRequest())
+ pkts = [ping]
+ self.pg5.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # Wait for Neighbor Solicitation
+ capture = self.pg5.get_capture(len(pkts))
+ packet = capture[0]
+ try:
+ self.assertEqual(packet[IPv6].src, self.pg5.local_ip6)
+ self.assertEqual(packet.haslayer(ICMPv6ND_NS), 1)
+ tgt = packet[ICMPv6ND_NS].tgt
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ # Send Neighbor Advertisement
+ p = (Ether(dst=self.pg5.local_mac, src=self.pg5.remote_mac) /
+ IPv6(src=self.pg5.remote_ip6, dst=self.pg5.local_ip6) /
+ ICMPv6ND_NA(tgt=tgt) /
+ ICMPv6NDOptDstLLAddr(lladdr=self.pg5.remote_mac))
+ pkts = [p]
+ self.pg5.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # Try to send ping again
+ pkts = [ping]
+ self.pg5.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # Wait for ping reply
+ capture = self.pg5.get_capture(len(pkts))
+ packet = capture[0]
+ try:
+ self.assertEqual(packet[IPv6].src, self.pg5.local_ip6)
+ self.assertEqual(packet[IPv6].dst, self.pg5.remote_ip6)
+ self.assertEqual(packet.haslayer(ICMPv6EchoReply), 1)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ def test_pool(self):
+ """ Add/delete address to NAT64 pool """
+ nat_addr = '1.2.3.4'
+
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=nat_addr,
+ end_addr=nat_addr,
+ vrf_id=0xFFFFFFFF, is_add=1)
+
+ addresses = self.vapi.nat64_pool_addr_dump()
+ self.assertEqual(len(addresses), 1)
+ self.assertEqual(str(addresses[0].address), nat_addr)
+
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=nat_addr,
+ end_addr=nat_addr,
+ vrf_id=0xFFFFFFFF, is_add=0)
+
+ addresses = self.vapi.nat64_pool_addr_dump()
+ self.assertEqual(len(addresses), 0)
+
+ def test_interface(self):
+ """ Enable/disable NAT64 feature on the interface """
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+
+ interfaces = self.vapi.nat64_interface_dump()
+ self.assertEqual(len(interfaces), 2)
+ pg0_found = False
+ pg1_found = False
+ for intf in interfaces:
+ if intf.sw_if_index == self.pg0.sw_if_index:
+ self.assertEqual(intf.flags, self.config_flags.NAT_IS_INSIDE)
+ pg0_found = True
+ elif intf.sw_if_index == self.pg1.sw_if_index:
+ self.assertEqual(intf.flags, self.config_flags.NAT_IS_OUTSIDE)
+ pg1_found = True
+ self.assertTrue(pg0_found)
+ self.assertTrue(pg1_found)
+
+ features = self.vapi.cli("show interface features pg0")
+ self.assertIn('nat64-in2out', features)
+ features = self.vapi.cli("show interface features pg1")
+ self.assertIn('nat64-out2in', features)
+
+ self.vapi.nat64_add_del_interface(is_add=0, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=0, flags=flags,
+ sw_if_index=self.pg1.sw_if_index)
+
+ interfaces = self.vapi.nat64_interface_dump()
+ self.assertEqual(len(interfaces), 0)
+
+ def test_static_bib(self):
+ """ Add/delete static BIB entry """
+ in_addr = '2001:db8:85a3::8a2e:370:7334'
+ out_addr = '10.1.1.3'
+ in_port = 1234
+ out_port = 5678
+ proto = IP_PROTOS.tcp
+
+ self.vapi.nat64_add_del_static_bib(i_addr=in_addr, o_addr=out_addr,
+ i_port=in_port, o_port=out_port,
+ proto=proto, vrf_id=0, is_add=1)
+ bib = self.vapi.nat64_bib_dump(proto=IP_PROTOS.tcp)
+ static_bib_num = 0
+ for bibe in bib:
+ if bibe.flags & self.config_flags.NAT_IS_STATIC:
+ static_bib_num += 1
+ self.assertEqual(str(bibe.i_addr), in_addr)
+ self.assertEqual(str(bibe.o_addr), out_addr)
+ self.assertEqual(bibe.i_port, in_port)
+ self.assertEqual(bibe.o_port, out_port)
+ self.assertEqual(static_bib_num, 1)
+ bibs = self.statistics.get_counter('/nat64/total-bibs')
+ self.assertEqual(bibs[0][0], 1)
+
+ self.vapi.nat64_add_del_static_bib(i_addr=in_addr, o_addr=out_addr,
+ i_port=in_port, o_port=out_port,
+ proto=proto, vrf_id=0, is_add=0)
+ bib = self.vapi.nat64_bib_dump(proto=IP_PROTOS.tcp)
+ static_bib_num = 0
+ for bibe in bib:
+ if bibe.flags & self.config_flags.NAT_IS_STATIC:
+ static_bib_num += 1
+ self.assertEqual(static_bib_num, 0)
+ bibs = self.statistics.get_counter('/nat64/total-bibs')
+ self.assertEqual(bibs[0][0], 0)
+
+ def test_set_timeouts(self):
+ """ Set NAT64 timeouts """
+ # verify default values
+ timeouts = self.vapi.nat_get_timeouts()
+ self.assertEqual(timeouts.udp, 300)
+ self.assertEqual(timeouts.icmp, 60)
+ self.assertEqual(timeouts.tcp_transitory, 240)
+ self.assertEqual(timeouts.tcp_established, 7440)
+
+ # set and verify custom values
+ self.vapi.nat_set_timeouts(udp=200, tcp_established=7450,
+ tcp_transitory=250, icmp=30)
+ timeouts = self.vapi.nat_get_timeouts()
+ self.assertEqual(timeouts.udp, 200)
+ self.assertEqual(timeouts.icmp, 30)
+ self.assertEqual(timeouts.tcp_transitory, 250)
+ self.assertEqual(timeouts.tcp_established, 7450)
+
+ def test_dynamic(self):
+ """ NAT64 dynamic translation test """
+ self.tcp_port_in = 6303
+ self.udp_port_in = 6304
+ self.icmp_id_in = 6305
+
+ ses_num_start = self.nat64_get_ses_num()
+
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+
+ # in2out
+ tcpn = self.statistics.get_err_counter('/err/nat64-in2out/TCP packets')
+ udpn = self.statistics.get_err_counter('/err/nat64-in2out/UDP packets')
+ icmpn = self.statistics.get_err_counter(
+ '/err/nat64-in2out/ICMP packets')
+ totaln = self.statistics.get_err_counter(
+ '/err/nat64-in2out/good in2out packets processed')
+
+ pkts = self.create_stream_in_ip6(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip=self.nat_addr,
+ dst_ip=self.pg1.remote_ip4)
+
+ err = self.statistics.get_err_counter('/err/nat64-in2out/TCP packets')
+ self.assertEqual(err - tcpn, 1)
+ err = self.statistics.get_err_counter('/err/nat64-in2out/UDP packets')
+ self.assertEqual(err - udpn, 1)
+ err = self.statistics.get_err_counter('/err/nat64-in2out/ICMP packets')
+ self.assertEqual(err - icmpn, 1)
+ err = self.statistics.get_err_counter(
+ '/err/nat64-in2out/good in2out packets processed')
+ self.assertEqual(err - totaln, 3)
+
+ # out2in
+ tcpn = self.statistics.get_err_counter('/err/nat64-out2in/TCP packets')
+ udpn = self.statistics.get_err_counter('/err/nat64-out2in/UDP packets')
+ icmpn = self.statistics.get_err_counter(
+ '/err/nat64-out2in/ICMP packets')
+ totaln = self.statistics.get_err_counter(
+ '/err/nat64-out2in/good out2in packets processed')
+
+ pkts = self.create_stream_out(self.pg1, dst_ip=self.nat_addr)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ ip = IPv6(src=''.join(['64:ff9b::', self.pg1.remote_ip4]))
+ self.verify_capture_in_ip6(capture, ip[IPv6].src, self.pg0.remote_ip6)
+
+ err = self.statistics.get_err_counter('/err/nat64-out2in/TCP packets')
+ self.assertEqual(err - tcpn, 1)
+ err = self.statistics.get_err_counter('/err/nat64-out2in/UDP packets')
+ self.assertEqual(err - udpn, 1)
+ err = self.statistics.get_err_counter('/err/nat64-out2in/ICMP packets')
+ self.assertEqual(err - icmpn, 1)
+ err = self.statistics.get_err_counter(
+ '/err/nat64-out2in/good out2in packets processed')
+ self.assertEqual(err - totaln, 3)
+
+ bibs = self.statistics.get_counter('/nat64/total-bibs')
+ self.assertEqual(bibs[0][0], 3)
+ sessions = self.statistics.get_counter('/nat64/total-sessions')
+ self.assertEqual(sessions[0][0], 3)
+
+ # in2out
+ pkts = self.create_stream_in_ip6(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip=self.nat_addr,
+ dst_ip=self.pg1.remote_ip4)
+
+ # out2in
+ pkts = self.create_stream_out(self.pg1, dst_ip=self.nat_addr)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ self.verify_capture_in_ip6(capture, ip[IPv6].src, self.pg0.remote_ip6)
+
+ ses_num_end = self.nat64_get_ses_num()
+
+ self.assertEqual(ses_num_end - ses_num_start, 3)
+
+ # tenant with specific VRF
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.vrf1_nat_addr,
+ end_addr=self.vrf1_nat_addr,
+ vrf_id=self.vrf1_id, is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg2.sw_if_index)
+
+ pkts = self.create_stream_in_ip6(self.pg2, self.pg1)
+ self.pg2.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip=self.vrf1_nat_addr,
+ dst_ip=self.pg1.remote_ip4)
+
+ pkts = self.create_stream_out(self.pg1, dst_ip=self.vrf1_nat_addr)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg2.get_capture(len(pkts))
+ self.verify_capture_in_ip6(capture, ip[IPv6].src, self.pg2.remote_ip6)
+
+ def test_static(self):
+ """ NAT64 static translation test """
+ self.tcp_port_in = 60303
+ self.udp_port_in = 60304
+ self.icmp_id_in = 60305
+ self.tcp_port_out = 60303
+ self.udp_port_out = 60304
+ self.icmp_id_out = 60305
+
+ ses_num_start = self.nat64_get_ses_num()
+
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+
+ self.vapi.nat64_add_del_static_bib(i_addr=self.pg0.remote_ip6n,
+ o_addr=self.nat_addr,
+ i_port=self.tcp_port_in,
+ o_port=self.tcp_port_out,
+ proto=IP_PROTOS.tcp, vrf_id=0,
+ is_add=1)
+ self.vapi.nat64_add_del_static_bib(i_addr=self.pg0.remote_ip6n,
+ o_addr=self.nat_addr,
+ i_port=self.udp_port_in,
+ o_port=self.udp_port_out,
+ proto=IP_PROTOS.udp, vrf_id=0,
+ is_add=1)
+ self.vapi.nat64_add_del_static_bib(i_addr=self.pg0.remote_ip6n,
+ o_addr=self.nat_addr,
+ i_port=self.icmp_id_in,
+ o_port=self.icmp_id_out,
+ proto=IP_PROTOS.icmp, vrf_id=0,
+ is_add=1)
+
+ # in2out
+ pkts = self.create_stream_in_ip6(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip=self.nat_addr,
+ dst_ip=self.pg1.remote_ip4, same_port=True)
+
+ # out2in
+ pkts = self.create_stream_out(self.pg1, dst_ip=self.nat_addr)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ ip = IPv6(src=''.join(['64:ff9b::', self.pg1.remote_ip4]))
+ self.verify_capture_in_ip6(capture, ip[IPv6].src, self.pg0.remote_ip6)
+
+ ses_num_end = self.nat64_get_ses_num()
+
+ self.assertEqual(ses_num_end - ses_num_start, 3)
+
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
+ def test_session_timeout(self):
+ """ NAT64 session timeout """
+ self.icmp_id_in = 1234
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+ self.vapi.nat_set_timeouts(udp=300, tcp_established=5,
+ tcp_transitory=5,
+ icmp=5)
+
+ pkts = self.create_stream_in_ip6(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+
+ ses_num_before_timeout = self.nat64_get_ses_num()
+
+ sleep(15)
+
+ # ICMP and TCP session after timeout
+ ses_num_after_timeout = self.nat64_get_ses_num()
+ self.assertEqual(ses_num_before_timeout - ses_num_after_timeout, 2)
+
+ def test_icmp_error(self):
+ """ NAT64 ICMP Error message translation """
+ self.tcp_port_in = 6303
+ self.udp_port_in = 6304
+ self.icmp_id_in = 6305
+
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+
+ # send some packets to create sessions
+ pkts = self.create_stream_in_ip6(self.pg0, self.pg1)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture_ip4 = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture_ip4,
+ nat_ip=self.nat_addr,
+ dst_ip=self.pg1.remote_ip4)
+
+ pkts = self.create_stream_out(self.pg1, dst_ip=self.nat_addr)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture_ip6 = self.pg0.get_capture(len(pkts))
+ ip = IPv6(src=''.join(['64:ff9b::', self.pg1.remote_ip4]))
+ self.verify_capture_in_ip6(capture_ip6, ip[IPv6].src,
+ self.pg0.remote_ip6)
+
+ # in2out
+ pkts = [Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src=self.pg0.remote_ip6, dst=ip[IPv6].src) /
+ ICMPv6DestUnreach(code=1) /
+ packet[IPv6] for packet in capture_ip6]
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ for packet in capture:
+ try:
+ self.assertEqual(packet[IP].src, self.nat_addr)
+ self.assertEqual(packet[IP].dst, self.pg1.remote_ip4)
+ self.assertEqual(packet[ICMP].type, 3)
+ self.assertEqual(packet[ICMP].code, 13)
+ inner = packet[IPerror]
+ self.assertEqual(inner.src, self.pg1.remote_ip4)
+ self.assertEqual(inner.dst, self.nat_addr)
+ self.assert_packet_checksums_valid(packet)
+ if inner.haslayer(TCPerror):
+ self.assertEqual(inner[TCPerror].dport, self.tcp_port_out)
+ elif inner.haslayer(UDPerror):
+ self.assertEqual(inner[UDPerror].dport, self.udp_port_out)
+ else:
+ self.assertEqual(inner[ICMPerror].id, self.icmp_id_out)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ # out2in
+ pkts = [Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ ICMP(type=3, code=13) /
+ packet[IP] for packet in capture_ip4]
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ for packet in capture:
+ try:
+ self.assertEqual(packet[IPv6].src, ip.src)
+ self.assertEqual(packet[IPv6].dst, self.pg0.remote_ip6)
+ icmp = packet[ICMPv6DestUnreach]
+ self.assertEqual(icmp.code, 1)
+ inner = icmp[IPerror6]
+ self.assertEqual(inner.src, self.pg0.remote_ip6)
+ self.assertEqual(inner.dst, ip.src)
+ self.assert_icmpv6_checksum_valid(packet)
+ if inner.haslayer(TCPerror):
+ self.assertEqual(inner[TCPerror].sport, self.tcp_port_in)
+ elif inner.haslayer(UDPerror):
+ self.assertEqual(inner[UDPerror].sport, self.udp_port_in)
+ else:
+ self.assertEqual(inner[ICMPv6EchoRequest].id,
+ self.icmp_id_in)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ def test_hairpinning(self):
+ """ NAT64 hairpinning """
+
+ client = self.pg0.remote_hosts[0]
+ server = self.pg0.remote_hosts[1]
+ server_tcp_in_port = 22
+ server_tcp_out_port = 4022
+ server_udp_in_port = 23
+ server_udp_out_port = 4023
+ client_tcp_in_port = 1234
+ client_udp_in_port = 1235
+ client_tcp_out_port = 0
+ client_udp_out_port = 0
+ ip = IPv6(src=''.join(['64:ff9b::', self.nat_addr]))
+ nat_addr_ip6 = ip.src
+
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+
+ self.vapi.nat64_add_del_static_bib(i_addr=server.ip6n,
+ o_addr=self.nat_addr,
+ i_port=server_tcp_in_port,
+ o_port=server_tcp_out_port,
+ proto=IP_PROTOS.tcp, vrf_id=0,
+ is_add=1)
+ self.vapi.nat64_add_del_static_bib(i_addr=server.ip6n,
+ o_addr=self.nat_addr,
+ i_port=server_udp_in_port,
+ o_port=server_udp_out_port,
+ proto=IP_PROTOS.udp, vrf_id=0,
+ is_add=1)
+
+ # client to server
+ pkts = []
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src=client.ip6, dst=nat_addr_ip6) /
+ TCP(sport=client_tcp_in_port, dport=server_tcp_out_port))
+ pkts.append(p)
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src=client.ip6, dst=nat_addr_ip6) /
+ UDP(sport=client_udp_in_port, dport=server_udp_out_port))
+ pkts.append(p)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ for packet in capture:
+ try:
+ self.assertEqual(packet[IPv6].src, nat_addr_ip6)
+ self.assertEqual(packet[IPv6].dst, server.ip6)
+ self.assert_packet_checksums_valid(packet)
+ if packet.haslayer(TCP):
+ self.assertNotEqual(packet[TCP].sport, client_tcp_in_port)
+ self.assertEqual(packet[TCP].dport, server_tcp_in_port)
+ client_tcp_out_port = packet[TCP].sport
+ else:
+ self.assertNotEqual(packet[UDP].sport, client_udp_in_port)
+ self.assertEqual(packet[UDP].dport, server_udp_in_port)
+ client_udp_out_port = packet[UDP].sport
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ # server to client
+ pkts = []
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src=server.ip6, dst=nat_addr_ip6) /
+ TCP(sport=server_tcp_in_port, dport=client_tcp_out_port))
+ pkts.append(p)
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src=server.ip6, dst=nat_addr_ip6) /
+ UDP(sport=server_udp_in_port, dport=client_udp_out_port))
+ pkts.append(p)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ for packet in capture:
+ try:
+ self.assertEqual(packet[IPv6].src, nat_addr_ip6)
+ self.assertEqual(packet[IPv6].dst, client.ip6)
+ self.assert_packet_checksums_valid(packet)
+ if packet.haslayer(TCP):
+ self.assertEqual(packet[TCP].sport, server_tcp_out_port)
+ self.assertEqual(packet[TCP].dport, client_tcp_in_port)
+ else:
+ self.assertEqual(packet[UDP].sport, server_udp_out_port)
+ self.assertEqual(packet[UDP].dport, client_udp_in_port)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ # ICMP error
+ pkts = []
+ pkts = [Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src=client.ip6, dst=nat_addr_ip6) /
+ ICMPv6DestUnreach(code=1) /
+ packet[IPv6] for packet in capture]
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ for packet in capture:
+ try:
+ self.assertEqual(packet[IPv6].src, nat_addr_ip6)
+ self.assertEqual(packet[IPv6].dst, server.ip6)
+ icmp = packet[ICMPv6DestUnreach]
+ self.assertEqual(icmp.code, 1)
+ inner = icmp[IPerror6]
+ self.assertEqual(inner.src, server.ip6)
+ self.assertEqual(inner.dst, nat_addr_ip6)
+ self.assert_packet_checksums_valid(packet)
+ if inner.haslayer(TCPerror):
+ self.assertEqual(inner[TCPerror].sport, server_tcp_in_port)
+ self.assertEqual(inner[TCPerror].dport,
+ client_tcp_out_port)
+ else:
+ self.assertEqual(inner[UDPerror].sport, server_udp_in_port)
+ self.assertEqual(inner[UDPerror].dport,
+ client_udp_out_port)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ def test_prefix(self):
+ """ NAT64 Network-Specific Prefix """
+
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.vrf1_nat_addr,
+ end_addr=self.vrf1_nat_addr,
+ vrf_id=self.vrf1_id, is_add=1)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg2.sw_if_index)
+
+ # Add global prefix
+ global_pref64 = "2001:db8::"
+ global_pref64_len = 32
+ global_pref64_str = "{}/{}".format(global_pref64, global_pref64_len)
+ self.vapi.nat64_add_del_prefix(prefix=global_pref64_str, vrf_id=0,
+ is_add=1)
+
+ prefix = self.vapi.nat64_prefix_dump()
+ self.assertEqual(len(prefix), 1)
+ self.assertEqual(prefix[0].prefix,
+ IPv6Network(unicode(global_pref64_str)))
+ self.assertEqual(prefix[0].vrf_id, 0)
+
+ # Add tenant specific prefix
+ vrf1_pref64 = "2001:db8:122:300::"
+ vrf1_pref64_len = 56
+ vrf1_pref64_str = "{}/{}".format(vrf1_pref64, vrf1_pref64_len)
+ self.vapi.nat64_add_del_prefix(prefix=vrf1_pref64_str,
+ vrf_id=self.vrf1_id, is_add=1)
+
+ prefix = self.vapi.nat64_prefix_dump()
+ self.assertEqual(len(prefix), 2)
+
+ # Global prefix
+ pkts = self.create_stream_in_ip6(self.pg0,
+ self.pg1,
+ pref=global_pref64,
+ plen=global_pref64_len)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip=self.nat_addr,
+ dst_ip=self.pg1.remote_ip4)
+
+ pkts = self.create_stream_out(self.pg1, dst_ip=self.nat_addr)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ dst_ip = self.compose_ip6(self.pg1.remote_ip4,
+ global_pref64,
+ global_pref64_len)
+ self.verify_capture_in_ip6(capture, dst_ip, self.pg0.remote_ip6)
+
+ # Tenant specific prefix
+ pkts = self.create_stream_in_ip6(self.pg2,
+ self.pg1,
+ pref=vrf1_pref64,
+ plen=vrf1_pref64_len)
+ self.pg2.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ self.verify_capture_out(capture, nat_ip=self.vrf1_nat_addr,
+ dst_ip=self.pg1.remote_ip4)
+
+ pkts = self.create_stream_out(self.pg1, dst_ip=self.vrf1_nat_addr)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg2.get_capture(len(pkts))
+ dst_ip = self.compose_ip6(self.pg1.remote_ip4,
+ vrf1_pref64,
+ vrf1_pref64_len)
+ self.verify_capture_in_ip6(capture, dst_ip, self.pg2.remote_ip6)
+
+ def test_unknown_proto(self):
+ """ NAT64 translate packet with unknown protocol """
+
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+ remote_ip6 = self.compose_ip6(self.pg1.remote_ip4, '64:ff9b::', 96)
+
+ # in2out
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src=self.pg0.remote_ip6, dst=remote_ip6) /
+ TCP(sport=self.tcp_port_in, dport=20))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ p = self.pg1.get_capture(1)
+
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src=self.pg0.remote_ip6, dst=remote_ip6, nh=47) /
+ GRE() /
+ IP(src=self.pg2.local_ip4, dst=self.pg2.remote_ip4) /
+ TCP(sport=1234, dport=1234))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ p = self.pg1.get_capture(1)
+ packet = p[0]
+ try:
+ self.assertEqual(packet[IP].src, self.nat_addr)
+ self.assertEqual(packet[IP].dst, self.pg1.remote_ip4)
+ self.assertEqual(packet.haslayer(GRE), 1)
+ self.assert_packet_checksums_valid(packet)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ # out2in
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.nat_addr) /
+ GRE() /
+ IP(src=self.pg2.remote_ip4, dst=self.pg2.local_ip4) /
+ TCP(sport=1234, dport=1234))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ p = self.pg0.get_capture(1)
+ packet = p[0]
+ try:
+ self.assertEqual(packet[IPv6].src, remote_ip6)
+ self.assertEqual(packet[IPv6].dst, self.pg0.remote_ip6)
+ self.assertEqual(packet[IPv6].nh, 47)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ def test_hairpinning_unknown_proto(self):
+ """ NAT64 translate packet with unknown protocol - hairpinning """
+
+ client = self.pg0.remote_hosts[0]
+ server = self.pg0.remote_hosts[1]
+ server_tcp_in_port = 22
+ server_tcp_out_port = 4022
+ client_tcp_in_port = 1234
+ client_tcp_out_port = 1235
+ server_nat_ip = "10.0.0.100"
+ client_nat_ip = "10.0.0.110"
+ server_nat_ip6 = self.compose_ip6(server_nat_ip, '64:ff9b::', 96)
+ client_nat_ip6 = self.compose_ip6(client_nat_ip, '64:ff9b::', 96)
+
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=server_nat_ip,
+ end_addr=client_nat_ip,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+
+ self.vapi.nat64_add_del_static_bib(i_addr=server.ip6n,
+ o_addr=server_nat_ip,
+ i_port=server_tcp_in_port,
+ o_port=server_tcp_out_port,
+ proto=IP_PROTOS.tcp, vrf_id=0,
+ is_add=1)
+
+ self.vapi.nat64_add_del_static_bib(i_addr=server.ip6n,
+ o_addr=server_nat_ip, i_port=0,
+ o_port=0,
+ proto=IP_PROTOS.gre, vrf_id=0,
+ is_add=1)
+
+ self.vapi.nat64_add_del_static_bib(i_addr=client.ip6n,
+ o_addr=client_nat_ip,
+ i_port=client_tcp_in_port,
+ o_port=client_tcp_out_port,
+ proto=IP_PROTOS.tcp, vrf_id=0,
+ is_add=1)
+
+ # client to server
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src=client.ip6, dst=server_nat_ip6) /
+ TCP(sport=client_tcp_in_port, dport=server_tcp_out_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ p = self.pg0.get_capture(1)
+
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src=client.ip6, dst=server_nat_ip6, nh=IP_PROTOS.gre) /
+ GRE() /
+ IP(src=self.pg2.local_ip4, dst=self.pg2.remote_ip4) /
+ TCP(sport=1234, dport=1234))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ p = self.pg0.get_capture(1)
+ packet = p[0]
+ try:
+ self.assertEqual(packet[IPv6].src, client_nat_ip6)
+ self.assertEqual(packet[IPv6].dst, server.ip6)
+ self.assertEqual(packet[IPv6].nh, IP_PROTOS.gre)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ # server to client
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src=server.ip6, dst=client_nat_ip6, nh=IP_PROTOS.gre) /
+ GRE() /
+ IP(src=self.pg2.remote_ip4, dst=self.pg2.local_ip4) /
+ TCP(sport=1234, dport=1234))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ p = self.pg0.get_capture(1)
+ packet = p[0]
+ try:
+ self.assertEqual(packet[IPv6].src, server_nat_ip6)
+ self.assertEqual(packet[IPv6].dst, client.ip6)
+ self.assertEqual(packet[IPv6].nh, IP_PROTOS.gre)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ def test_one_armed_nat64(self):
+ """ One armed NAT64 """
+ external_port = 0
+ remote_host_ip6 = self.compose_ip6(self.pg3.remote_ip4,
+ '64:ff9b::',
+ 96)
+
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg3.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg3.sw_if_index)
+
+ # in2out
+ p = (Ether(src=self.pg3.remote_mac, dst=self.pg3.local_mac) /
+ IPv6(src=self.pg3.remote_ip6, dst=remote_host_ip6) /
+ TCP(sport=12345, dport=80))
+ self.pg3.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg3.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IP]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, self.nat_addr)
+ self.assertEqual(ip.dst, self.pg3.remote_ip4)
+ self.assertNotEqual(tcp.sport, 12345)
+ external_port = tcp.sport
+ self.assertEqual(tcp.dport, 80)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ # out2in
+ p = (Ether(src=self.pg3.remote_mac, dst=self.pg3.local_mac) /
+ IP(src=self.pg3.remote_ip4, dst=self.nat_addr) /
+ TCP(sport=80, dport=external_port))
+ self.pg3.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg3.get_capture(1)
+ p = capture[0]
+ try:
+ ip = p[IPv6]
+ tcp = p[TCP]
+ self.assertEqual(ip.src, remote_host_ip6)
+ self.assertEqual(ip.dst, self.pg3.remote_ip6)
+ self.assertEqual(tcp.sport, 80)
+ self.assertEqual(tcp.dport, 12345)
+ self.assert_packet_checksums_valid(p)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", p))
+ raise
+
+ def test_frag_in_order(self):
+ """ NAT64 translate fragments arriving in order """
+ self.tcp_port_in = random.randint(1025, 65535)
+
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+
+ reass = self.vapi.nat_reass_dump()
+ reass_n_start = len(reass)
+
+ # in2out
+ data = b'a' * 200
+ pkts = self.create_stream_frag_ip6(self.pg0, self.pg1.remote_ip4,
+ self.tcp_port_in, 20, data)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ frags = self.pg1.get_capture(len(pkts))
+ p = self.reass_frags_and_verify(frags,
+ self.nat_addr,
+ self.pg1.remote_ip4)
+ self.assertEqual(p[TCP].dport, 20)
+ self.assertNotEqual(p[TCP].sport, self.tcp_port_in)
+ self.tcp_port_out = p[TCP].sport
+ self.assertEqual(data, p[Raw].load)
+
+ # out2in
+ data = b"A" * 4 + b"b" * 16 + b"C" * 3
+ pkts = self.create_stream_frag(self.pg1,
+ self.nat_addr,
+ 20,
+ self.tcp_port_out,
+ data)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ frags = self.pg0.get_capture(len(pkts))
+ src = self.compose_ip6(self.pg1.remote_ip4, '64:ff9b::', 96)
+ p = self.reass_frags_and_verify_ip6(frags, src, self.pg0.remote_ip6)
+ self.assertEqual(p[TCP].sport, 20)
+ self.assertEqual(p[TCP].dport, self.tcp_port_in)
+ self.assertEqual(data, p[Raw].load)
+
+ reass = self.vapi.nat_reass_dump()
+ reass_n_end = len(reass)
+
+ self.assertEqual(reass_n_end - reass_n_start, 2)
+
+ def test_reass_hairpinning(self):
+ """ NAT64 fragments hairpinning """
+ data = 'a' * 200
+ server = self.pg0.remote_hosts[1]
+ server_in_port = random.randint(1025, 65535)
+ server_out_port = random.randint(1025, 65535)
+ client_in_port = random.randint(1025, 65535)
+ ip = IPv6(src=''.join(['64:ff9b::', self.nat_addr]))
+ nat_addr_ip6 = ip.src
+
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+
+ # add static BIB entry for server
+ self.vapi.nat64_add_del_static_bib(i_addr=server.ip6n,
+ o_addr=self.nat_addr,
+ i_port=server_in_port,
+ o_port=server_out_port,
+ proto=IP_PROTOS.tcp, vrf_id=0,
+ is_add=1)
+
+ # send packet from host to server
+ pkts = self.create_stream_frag_ip6(self.pg0,
+ self.nat_addr,
+ client_in_port,
+ server_out_port,
+ data)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ frags = self.pg0.get_capture(len(pkts))
+ p = self.reass_frags_and_verify_ip6(frags, nat_addr_ip6, server.ip6)
+ self.assertNotEqual(p[TCP].sport, client_in_port)
+ self.assertEqual(p[TCP].dport, server_in_port)
+ self.assertEqual(data, p[Raw].load)
+
+ def test_frag_out_of_order(self):
+ """ NAT64 translate fragments arriving out of order """
+ self.tcp_port_in = random.randint(1025, 65535)
+
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+
+ # in2out
+ data = b'a' * 200
+ pkts = self.create_stream_frag_ip6(self.pg0, self.pg1.remote_ip4,
+ self.tcp_port_in, 20, data)
+ pkts.reverse()
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ frags = self.pg1.get_capture(len(pkts))
+ p = self.reass_frags_and_verify(frags,
+ self.nat_addr,
+ self.pg1.remote_ip4)
+ self.assertEqual(p[TCP].dport, 20)
+ self.assertNotEqual(p[TCP].sport, self.tcp_port_in)
+ self.tcp_port_out = p[TCP].sport
+ self.assertEqual(data, p[Raw].load)
+
+ # out2in
+ data = b"A" * 4 + b"B" * 16 + b"C" * 3
+ pkts = self.create_stream_frag(self.pg1,
+ self.nat_addr,
+ 20,
+ self.tcp_port_out,
+ data)
+ pkts.reverse()
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ frags = self.pg0.get_capture(len(pkts))
+ src = self.compose_ip6(self.pg1.remote_ip4, '64:ff9b::', 96)
+ p = self.reass_frags_and_verify_ip6(frags, src, self.pg0.remote_ip6)
+ self.assertEqual(p[TCP].sport, 20)
+ self.assertEqual(p[TCP].dport, self.tcp_port_in)
+ self.assertEqual(data, p[Raw].load)
+
+ def test_interface_addr(self):
+ """ Acquire NAT64 pool addresses from interface """
+ self.vapi.nat64_add_del_interface_addr(
+ is_add=1,
+ sw_if_index=self.pg4.sw_if_index)
+
+ # no address in NAT64 pool
+ addresses = self.vapi.nat44_address_dump()
+ self.assertEqual(0, len(addresses))
+
+ # configure interface address and check NAT64 address pool
+ self.pg4.config_ip4()
+ addresses = self.vapi.nat64_pool_addr_dump()
+ self.assertEqual(len(addresses), 1)
+
+ self.assertEqual(str(addresses[0].address),
+ self.pg4.local_ip4)
+
+ # remove interface address and check NAT64 address pool
+ self.pg4.unconfig_ip4()
+ addresses = self.vapi.nat64_pool_addr_dump()
+ self.assertEqual(0, len(addresses))
+
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
+ def test_ipfix_max_bibs_sessions(self):
+ """ IPFIX logging maximum session and BIB entries exceeded """
+ max_bibs = 1280
+ max_sessions = 2560
+ remote_host_ip6 = self.compose_ip6(self.pg1.remote_ip4,
+ '64:ff9b::',
+ 96)
+
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+
+ pkts = []
+ src = ""
+ for i in range(0, max_bibs):
+ src = "fd01:aa::%x" % (i)
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IPv6(src=src, dst=remote_host_ip6) /
+ TCP(sport=12345, dport=80))
+ pkts.append(p)
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IPv6(src=src, dst=remote_host_ip6) /
+ TCP(sport=12345, dport=22))
+ pkts.append(p)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.get_capture(max_sessions)
+
+ self.vapi.set_ipfix_exporter(collector_address=self.pg3.remote_ip4n,
+ src_address=self.pg3.local_ip4n,
+ path_mtu=512,
+ template_interval=10)
+ self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
+ src_port=self.ipfix_src_port,
+ enable=1)
+
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IPv6(src=src, dst=remote_host_ip6) /
+ TCP(sport=12345, dport=25))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.assert_nothing_captured()
+ sleep(1)
+ self.vapi.ipfix_flush()
+ capture = self.pg3.get_capture(9)
+ ipfix = IPFIXDecoder()
+ # first load template
+ for p in capture:
+ self.assertTrue(p.haslayer(IPFIX))
+ self.assertEqual(p[IP].src, self.pg3.local_ip4)
+ self.assertEqual(p[IP].dst, self.pg3.remote_ip4)
+ self.assertEqual(p[UDP].sport, self.ipfix_src_port)
+ self.assertEqual(p[UDP].dport, 4739)
+ self.assertEqual(p[IPFIX].observationDomainID,
+ self.ipfix_domain_id)
+ if p.haslayer(Template):
+ ipfix.add_template(p.getlayer(Template))
+ # verify events in data set
+ for p in capture:
+ if p.haslayer(Data):
+ data = ipfix.decode_data_set(p.getlayer(Set))
+ self.verify_ipfix_max_sessions(data, max_sessions)
+
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IPv6(src=self.pg0.remote_ip6, dst=remote_host_ip6) /
+ TCP(sport=12345, dport=80))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.assert_nothing_captured()
+ sleep(1)
+ self.vapi.ipfix_flush()
+ capture = self.pg3.get_capture(1)
+ # verify events in data set
+ for p in capture:
+ self.assertTrue(p.haslayer(IPFIX))
+ self.assertEqual(p[IP].src, self.pg3.local_ip4)
+ self.assertEqual(p[IP].dst, self.pg3.remote_ip4)
+ self.assertEqual(p[UDP].sport, self.ipfix_src_port)
+ self.assertEqual(p[UDP].dport, 4739)
+ self.assertEqual(p[IPFIX].observationDomainID,
+ self.ipfix_domain_id)
+ if p.haslayer(Data):
+ data = ipfix.decode_data_set(p.getlayer(Set))
+ self.verify_ipfix_max_bibs(data, max_bibs)
+
+ def test_ipfix_max_frags(self):
+ """ IPFIX logging maximum fragments pending reassembly exceeded """
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+ self.vapi.nat_set_reass(timeout=2, max_reass=1024, max_frag=1,
+ drop_frag=0, is_ip6=1)
+ self.vapi.set_ipfix_exporter(collector_address=self.pg3.remote_ip4n,
+ src_address=self.pg3.local_ip4n,
+ path_mtu=512,
+ template_interval=10)
+ self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
+ src_port=self.ipfix_src_port,
+ enable=1)
+
+ data = b'a' * 200
+ pkts = self.create_stream_frag_ip6(self.pg0, self.pg1.remote_ip4,
+ self.tcp_port_in, 20, data)
+ pkts.reverse()
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.assert_nothing_captured()
+ sleep(1)
+ self.vapi.ipfix_flush()
+ capture = self.pg3.get_capture(9)
+ ipfix = IPFIXDecoder()
+ # first load template
+ for p in capture:
+ self.assertTrue(p.haslayer(IPFIX))
+ self.assertEqual(p[IP].src, self.pg3.local_ip4)
+ self.assertEqual(p[IP].dst, self.pg3.remote_ip4)
+ self.assertEqual(p[UDP].sport, self.ipfix_src_port)
+ self.assertEqual(p[UDP].dport, 4739)
+ self.assertEqual(p[IPFIX].observationDomainID,
+ self.ipfix_domain_id)
+ if p.haslayer(Template):
+ ipfix.add_template(p.getlayer(Template))
+ # verify events in data set
+ for p in capture:
+ if p.haslayer(Data):
+ data = ipfix.decode_data_set(p.getlayer(Set))
+ self.verify_ipfix_max_fragments_ip6(data, 1,
+ self.pg0.remote_ip6n)
+
+ def test_ipfix_bib_ses(self):
+ """ IPFIX logging NAT64 BIB/session create and delete events """
+ self.tcp_port_in = random.randint(1025, 65535)
+ remote_host_ip6 = self.compose_ip6(self.pg1.remote_ip4,
+ '64:ff9b::',
+ 96)
+
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+ self.vapi.set_ipfix_exporter(collector_address=self.pg3.remote_ip4n,
+ src_address=self.pg3.local_ip4n,
+ path_mtu=512,
+ template_interval=10)
+ self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
+ src_port=self.ipfix_src_port,
+ enable=1)
+
+ # Create
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IPv6(src=self.pg0.remote_ip6, dst=remote_host_ip6) /
+ TCP(sport=self.tcp_port_in, dport=25))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ p = self.pg1.get_capture(1)
+ self.tcp_port_out = p[0][TCP].sport
+ self.vapi.ipfix_flush()
+ capture = self.pg3.get_capture(10)
+ ipfix = IPFIXDecoder()
+ # first load template
+ for p in capture:
+ self.assertTrue(p.haslayer(IPFIX))
+ self.assertEqual(p[IP].src, self.pg3.local_ip4)
+ self.assertEqual(p[IP].dst, self.pg3.remote_ip4)
+ self.assertEqual(p[UDP].sport, self.ipfix_src_port)
+ self.assertEqual(p[UDP].dport, 4739)
+ self.assertEqual(p[IPFIX].observationDomainID,
+ self.ipfix_domain_id)
+ if p.haslayer(Template):
+ ipfix.add_template(p.getlayer(Template))
+ # verify events in data set
+ for p in capture:
+ if p.haslayer(Data):
+ data = ipfix.decode_data_set(p.getlayer(Set))
+ if scapy.compat.orb(data[0][230]) == 10:
+ self.verify_ipfix_bib(data, 1, self.pg0.remote_ip6n)
+ elif scapy.compat.orb(data[0][230]) == 6:
+ self.verify_ipfix_nat64_ses(data,
+ 1,
+ self.pg0.remote_ip6n,
+ self.pg1.remote_ip4,
+ 25)
+ else:
+ self.logger.error(ppp("Unexpected or invalid packet: ", p))
+
+ # Delete
+ self.pg_enable_capture(self.pg_interfaces)
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=0)
+ self.vapi.ipfix_flush()
+ capture = self.pg3.get_capture(2)
+ # verify events in data set
+ for p in capture:
+ self.assertTrue(p.haslayer(IPFIX))
+ self.assertEqual(p[IP].src, self.pg3.local_ip4)
+ self.assertEqual(p[IP].dst, self.pg3.remote_ip4)
+ self.assertEqual(p[UDP].sport, self.ipfix_src_port)
+ self.assertEqual(p[UDP].dport, 4739)
+ self.assertEqual(p[IPFIX].observationDomainID,
+ self.ipfix_domain_id)
+ if p.haslayer(Data):
+ data = ipfix.decode_data_set(p.getlayer(Set))
+ if scapy.compat.orb(data[0][230]) == 11:
+ self.verify_ipfix_bib(data, 0, self.pg0.remote_ip6n)
+ elif scapy.compat.orb(data[0][230]) == 7:
+ self.verify_ipfix_nat64_ses(data,
+ 0,
+ self.pg0.remote_ip6n,
+ self.pg1.remote_ip4,
+ 25)
+ else:
+ self.logger.error(ppp("Unexpected or invalid packet: ", p))
+
+ def test_syslog_sess(self):
+ """ Test syslog session creation and deletion """
+ self.tcp_port_in = random.randint(1025, 65535)
+ remote_host_ip6 = self.compose_ip6(self.pg1.remote_ip4,
+ '64:ff9b::',
+ 96)
+
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=1)
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat64_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat64_add_del_interface(is_add=1, flags=0,
+ sw_if_index=self.pg1.sw_if_index)
+ self.vapi.syslog_set_filter(
+ self.SYSLOG_SEVERITY.SYSLOG_API_SEVERITY_INFO)
+ self.vapi.syslog_set_sender(self.pg3.local_ip4n, self.pg3.remote_ip4n)
+
+ p = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+ IPv6(src=self.pg0.remote_ip6, dst=remote_host_ip6) /
+ TCP(sport=self.tcp_port_in, dport=self.tcp_external_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ p = self.pg1.get_capture(1)
+ self.tcp_port_out = p[0][TCP].sport
+ capture = self.pg3.get_capture(1)
+ self.verify_syslog_sess(capture[0][Raw].load, is_ip6=True)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ vrf_id=0xFFFFFFFF,
+ is_add=0)
+ capture = self.pg3.get_capture(1)
+ self.verify_syslog_sess(capture[0][Raw].load, False, True)
+
+ def nat64_get_ses_num(self):
+ """
+ Return number of active NAT64 sessions.
+ """
+ st = self.vapi.nat64_st_dump(proto=255)
+ return len(st)
+
+ def clear_nat64(self):
+ """
+ Clear NAT64 configuration.
+ """
+ self.vapi.nat_ipfix_enable_disable(domain_id=self.ipfix_domain_id,
+ src_port=self.ipfix_src_port,
+ enable=0)
+ self.ipfix_src_port = 4739
+ self.ipfix_domain_id = 1
+
+ self.vapi.syslog_set_filter(
+ self.SYSLOG_SEVERITY.SYSLOG_API_SEVERITY_EMERG)
+
+ self.vapi.nat_set_timeouts(udp=300, tcp_established=7440,
+ tcp_transitory=240, icmp=60)
+
+ interfaces = self.vapi.nat64_interface_dump()
+ for intf in interfaces:
+ self.vapi.nat64_add_del_interface(is_add=0, flags=intf.flags,
+ sw_if_index=intf.sw_if_index)
+
+ bib = self.vapi.nat64_bib_dump(proto=255)
+ for bibe in bib:
+ if bibe.flags & self.config_flags.NAT_IS_STATIC:
+ self.vapi.nat64_add_del_static_bib(i_addr=bibe.i_addr,
+ o_addr=bibe.o_addr,
+ i_port=bibe.i_port,
+ o_port=bibe.o_port,
+ proto=bibe.proto,
+ vrf_id=bibe.vrf_id,
+ is_add=0)
+
+ adresses = self.vapi.nat64_pool_addr_dump()
+ for addr in adresses:
+ self.vapi.nat64_add_del_pool_addr_range(start_addr=addr.address,
+ end_addr=addr.address,
+ vrf_id=addr.vrf_id,
+ is_add=0)
+
+ prefixes = self.vapi.nat64_prefix_dump()
+ for prefix in prefixes:
+ self.vapi.nat64_add_del_prefix(prefix=str(prefix.prefix),
+ vrf_id=prefix.vrf_id, is_add=0)
+
+ bibs = self.statistics.get_counter('/nat64/total-bibs')
+ self.assertEqual(bibs[0][0], 0)
+ sessions = self.statistics.get_counter('/nat64/total-sessions')
+ self.assertEqual(sessions[0][0], 0)
+
+ def tearDown(self):
+ super(TestNAT64, self).tearDown()
+ if not self.vpp_dead:
+ self.clear_nat64()
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.cli("show nat64 pool"))
+ self.logger.info(self.vapi.cli("show nat64 interfaces"))
+ self.logger.info(self.vapi.cli("show nat64 prefix"))
+ self.logger.info(self.vapi.cli("show nat64 bib all"))
+ self.logger.info(self.vapi.cli("show nat64 session table all"))
+ self.logger.info(self.vapi.cli("show nat virtual-reassembly"))
+
+
+class TestDSlite(MethodHolder):
+ """ DS-Lite Test Cases """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestDSlite, cls).setUpClass()
+
+ try:
+ cls.nat_addr = '10.0.0.3'
+
+ cls.create_pg_interfaces(range(3))
+ cls.pg0.admin_up()
+ cls.pg0.config_ip4()
+ cls.pg0.resolve_arp()
+ cls.pg1.admin_up()
+ cls.pg1.config_ip6()
+ cls.pg1.generate_remote_hosts(2)
+ cls.pg1.configure_ipv6_neighbors()
+ cls.pg2.admin_up()
+ cls.pg2.config_ip4()
+ cls.pg2.resolve_arp()
+
+ except Exception:
+ super(TestDSlite, cls).tearDownClass()
+ raise
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestDSlite, cls).tearDownClass()
+
+ def verify_syslog_apmadd(self, data, isaddr, isport, xsaddr, xsport,
+ sv6enc, proto):
+ message = data.decode('utf-8')
+ try:
+ message = SyslogMessage.parse(message)
+ except ParseError as e:
+ self.logger.error(e)
+ else:
+ self.assertEqual(message.severity, SyslogSeverity.info)
+ self.assertEqual(message.appname, 'NAT')
+ self.assertEqual(message.msgid, 'APMADD')
+ sd_params = message.sd.get('napmap')
+ self.assertTrue(sd_params is not None)
+ self.assertEqual(sd_params.get('IATYP'), 'IPv4')
+ self.assertEqual(sd_params.get('ISADDR'), isaddr)
+ self.assertEqual(sd_params.get('ISPORT'), "%d" % isport)
+ self.assertEqual(sd_params.get('XATYP'), 'IPv4')
+ self.assertEqual(sd_params.get('XSADDR'), xsaddr)
+ self.assertEqual(sd_params.get('XSPORT'), "%d" % xsport)
+ self.assertEqual(sd_params.get('PROTO'), "%d" % proto)
+ self.assertTrue(sd_params.get('SSUBIX') is not None)
+ self.assertEqual(sd_params.get('SV6ENC'), sv6enc)
+
+ def test_dslite(self):
+ """ Test DS-Lite """
+ nat_config = self.vapi.nat_show_config()
+ self.assertEqual(0, nat_config.dslite_ce)
+
+ self.vapi.dslite_add_del_pool_addr_range(start_addr=self.nat_addr,
+ end_addr=self.nat_addr,
+ is_add=1)
+ aftr_ip4 = '192.0.0.1'
+ aftr_ip6 = '2001:db8:85a3::8a2e:370:1'
+ self.vapi.dslite_set_aftr_addr(ip4_addr=aftr_ip4, ip6_addr=aftr_ip6)
+ self.vapi.syslog_set_sender(self.pg2.local_ip4n, self.pg2.remote_ip4n)
+
+ # UDP
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IPv6(dst=aftr_ip6, src=self.pg1.remote_hosts[0].ip6) /
+ IP(dst=self.pg0.remote_ip4, src='192.168.1.1') /
+ UDP(sport=20000, dport=10000))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ capture = capture[0]
+ self.assertFalse(capture.haslayer(IPv6))
+ self.assertEqual(capture[IP].src, self.nat_addr)
+ self.assertEqual(capture[IP].dst, self.pg0.remote_ip4)
+ self.assertNotEqual(capture[UDP].sport, 20000)
+ self.assertEqual(capture[UDP].dport, 10000)
+ self.assert_packet_checksums_valid(capture)
+ out_port = capture[UDP].sport
+ capture = self.pg2.get_capture(1)
+ self.verify_syslog_apmadd(capture[0][Raw].load, '192.168.1.1',
+ 20000, self.nat_addr, out_port,
+ self.pg1.remote_hosts[0].ip6, IP_PROTOS.udp)
+
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(dst=self.nat_addr, src=self.pg0.remote_ip4) /
+ UDP(sport=10000, dport=out_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ capture = capture[0]
+ self.assertEqual(capture[IPv6].src, aftr_ip6)
+ self.assertEqual(capture[IPv6].dst, self.pg1.remote_hosts[0].ip6)
+ self.assertEqual(capture[IP].src, self.pg0.remote_ip4)
+ self.assertEqual(capture[IP].dst, '192.168.1.1')
+ self.assertEqual(capture[UDP].sport, 10000)
+ self.assertEqual(capture[UDP].dport, 20000)
+ self.assert_packet_checksums_valid(capture)
+
+ # TCP
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IPv6(dst=aftr_ip6, src=self.pg1.remote_hosts[1].ip6) /
+ IP(dst=self.pg0.remote_ip4, src='192.168.1.1') /
+ TCP(sport=20001, dport=10001))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ capture = capture[0]
+ self.assertFalse(capture.haslayer(IPv6))
+ self.assertEqual(capture[IP].src, self.nat_addr)
+ self.assertEqual(capture[IP].dst, self.pg0.remote_ip4)
+ self.assertNotEqual(capture[TCP].sport, 20001)
+ self.assertEqual(capture[TCP].dport, 10001)
+ self.assert_packet_checksums_valid(capture)
+ out_port = capture[TCP].sport
+
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(dst=self.nat_addr, src=self.pg0.remote_ip4) /
+ TCP(sport=10001, dport=out_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ capture = capture[0]
+ self.assertEqual(capture[IPv6].src, aftr_ip6)
+ self.assertEqual(capture[IPv6].dst, self.pg1.remote_hosts[1].ip6)
+ self.assertEqual(capture[IP].src, self.pg0.remote_ip4)
+ self.assertEqual(capture[IP].dst, '192.168.1.1')
+ self.assertEqual(capture[TCP].sport, 10001)
+ self.assertEqual(capture[TCP].dport, 20001)
+ self.assert_packet_checksums_valid(capture)
+
+ # ICMP
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IPv6(dst=aftr_ip6, src=self.pg1.remote_hosts[1].ip6) /
+ IP(dst=self.pg0.remote_ip4, src='192.168.1.1') /
+ ICMP(id=4000, type='echo-request'))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ capture = capture[0]
+ self.assertFalse(capture.haslayer(IPv6))
+ self.assertEqual(capture[IP].src, self.nat_addr)
+ self.assertEqual(capture[IP].dst, self.pg0.remote_ip4)
+ self.assertNotEqual(capture[ICMP].id, 4000)
+ self.assert_packet_checksums_valid(capture)
+ out_id = capture[ICMP].id
+
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(dst=self.nat_addr, src=self.pg0.remote_ip4) /
+ ICMP(id=out_id, type='echo-reply'))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ capture = capture[0]
+ self.assertEqual(capture[IPv6].src, aftr_ip6)
+ self.assertEqual(capture[IPv6].dst, self.pg1.remote_hosts[1].ip6)
+ self.assertEqual(capture[IP].src, self.pg0.remote_ip4)
+ self.assertEqual(capture[IP].dst, '192.168.1.1')
+ self.assertEqual(capture[ICMP].id, 4000)
+ self.assert_packet_checksums_valid(capture)
+
+ # ping DS-Lite AFTR tunnel endpoint address
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IPv6(src=self.pg1.remote_hosts[1].ip6, dst=aftr_ip6) /
+ ICMPv6EchoRequest())
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ capture = capture[0]
+ self.assertEqual(capture[IPv6].src, aftr_ip6)
+ self.assertEqual(capture[IPv6].dst, self.pg1.remote_hosts[1].ip6)
+ self.assertTrue(capture.haslayer(ICMPv6EchoReply))
+
+ b4s = self.statistics.get_counter('/dslite/total-b4s')
+ self.assertEqual(b4s[0][0], 2)
+ sessions = self.statistics.get_counter('/dslite/total-sessions')
+ self.assertEqual(sessions[0][0], 3)
+
+ def tearDown(self):
+ super(TestDSlite, self).tearDown()
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.cli("show dslite pool"))
+ self.logger.info(
+ self.vapi.cli("show dslite aftr-tunnel-endpoint-address"))
+ self.logger.info(self.vapi.cli("show dslite sessions"))
+
+
+class TestDSliteCE(MethodHolder):
+ """ DS-Lite CE Test Cases """
+
+ @classmethod
+ def setUpConstants(cls):
+ super(TestDSliteCE, cls).setUpConstants()
+ cls.vpp_cmdline.extend(["nat", "{", "dslite ce", "}"])
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestDSliteCE, cls).setUpClass()
+
+ try:
+ cls.create_pg_interfaces(range(2))
+ cls.pg0.admin_up()
+ cls.pg0.config_ip4()
+ cls.pg0.resolve_arp()
+ cls.pg1.admin_up()
+ cls.pg1.config_ip6()
+ cls.pg1.generate_remote_hosts(1)
+ cls.pg1.configure_ipv6_neighbors()
+
+ except Exception:
+ super(TestDSliteCE, cls).tearDownClass()
+ raise
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestDSliteCE, cls).tearDownClass()
+
+ def test_dslite_ce(self):
+ """ Test DS-Lite CE """
+
+ nat_config = self.vapi.nat_show_config()
+ self.assertEqual(1, nat_config.dslite_ce)
+
+ b4_ip4 = '192.0.0.2'
+ b4_ip6 = '2001:db8:62aa::375e:f4c1:1'
+ self.vapi.dslite_set_b4_addr(ip4_addr=b4_ip4, ip6_addr=b4_ip6)
+
+ aftr_ip4 = '192.0.0.1'
+ aftr_ip6 = '2001:db8:85a3::8a2e:370:1'
+ aftr_ip6_n = socket.inet_pton(socket.AF_INET6, aftr_ip6)
+ self.vapi.dslite_set_aftr_addr(ip4_addr=aftr_ip4, ip6_addr=aftr_ip6)
+
+ r1 = VppIpRoute(self, aftr_ip6, 128,
+ [VppRoutePath(self.pg1.remote_ip6,
+ self.pg1.sw_if_index)])
+ r1.add_vpp_config()
+
+ # UDP encapsulation
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(dst=self.pg1.remote_ip4, src=self.pg0.remote_ip4) /
+ UDP(sport=10000, dport=20000))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ capture = capture[0]
+ self.assertEqual(capture[IPv6].src, b4_ip6)
+ self.assertEqual(capture[IPv6].dst, aftr_ip6)
+ self.assertEqual(capture[IP].src, self.pg0.remote_ip4)
+ self.assertEqual(capture[IP].dst, self.pg1.remote_ip4)
+ self.assertEqual(capture[UDP].sport, 10000)
+ self.assertEqual(capture[UDP].dport, 20000)
+ self.assert_packet_checksums_valid(capture)
+
+ # UDP decapsulation
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IPv6(dst=b4_ip6, src=aftr_ip6) /
+ IP(dst=self.pg0.remote_ip4, src=self.pg1.remote_ip4) /
+ UDP(sport=20000, dport=10000))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ capture = capture[0]
+ self.assertFalse(capture.haslayer(IPv6))
+ self.assertEqual(capture[IP].src, self.pg1.remote_ip4)
+ self.assertEqual(capture[IP].dst, self.pg0.remote_ip4)
+ self.assertEqual(capture[UDP].sport, 20000)
+ self.assertEqual(capture[UDP].dport, 10000)
+ self.assert_packet_checksums_valid(capture)
+
+ # ping DS-Lite B4 tunnel endpoint address
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IPv6(src=self.pg1.remote_hosts[0].ip6, dst=b4_ip6) /
+ ICMPv6EchoRequest())
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ capture = capture[0]
+ self.assertEqual(capture[IPv6].src, b4_ip6)
+ self.assertEqual(capture[IPv6].dst, self.pg1.remote_hosts[0].ip6)
+ self.assertTrue(capture.haslayer(ICMPv6EchoReply))
+
+ def tearDown(self):
+ super(TestDSliteCE, self).tearDown()
+
+ def show_commands_at_teardown(self):
+ self.logger.info(
+ self.vapi.cli("show dslite aftr-tunnel-endpoint-address"))
+ self.logger.info(
+ self.vapi.cli("show dslite b4-tunnel-endpoint-address"))
+
+
+class TestNAT66(MethodHolder):
+ """ NAT66 Test Cases """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestNAT66, cls).setUpClass()
+
+ try:
+ cls.nat_addr = 'fd01:ff::2'
+
+ cls.create_pg_interfaces(range(2))
+ cls.interfaces = list(cls.pg_interfaces)
+
+ for i in cls.interfaces:
+ i.admin_up()
+ i.config_ip6()
+ i.configure_ipv6_neighbors()
+
+ except Exception:
+ super(TestNAT66, cls).tearDownClass()
+ raise
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestNAT66, cls).tearDownClass()
+
+ def test_static(self):
+ """ 1:1 NAT66 test """
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat66_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat66_add_del_interface(is_add=1,
+ sw_if_index=self.pg1.sw_if_index)
+ self.vapi.nat66_add_del_static_mapping(
+ local_ip_address=self.pg0.remote_ip6n,
+ external_ip_address=self.nat_addr,
+ is_add=1)
+
+ # in2out
+ pkts = []
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src=self.pg0.remote_ip6, dst=self.pg1.remote_ip6) /
+ TCP())
+ pkts.append(p)
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src=self.pg0.remote_ip6, dst=self.pg1.remote_ip6) /
+ UDP())
+ pkts.append(p)
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src=self.pg0.remote_ip6, dst=self.pg1.remote_ip6) /
+ ICMPv6EchoRequest())
+ pkts.append(p)
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src=self.pg0.remote_ip6, dst=self.pg1.remote_ip6) /
+ GRE() / IP() / TCP())
+ pkts.append(p)
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(len(pkts))
+ for packet in capture:
+ try:
+ self.assertEqual(packet[IPv6].src, self.nat_addr)
+ self.assertEqual(packet[IPv6].dst, self.pg1.remote_ip6)
+ self.assert_packet_checksums_valid(packet)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ # out2in
+ pkts = []
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IPv6(src=self.pg1.remote_ip6, dst=self.nat_addr) /
+ TCP())
+ pkts.append(p)
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IPv6(src=self.pg1.remote_ip6, dst=self.nat_addr) /
+ UDP())
+ pkts.append(p)
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IPv6(src=self.pg1.remote_ip6, dst=self.nat_addr) /
+ ICMPv6EchoReply())
+ pkts.append(p)
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IPv6(src=self.pg1.remote_ip6, dst=self.nat_addr) /
+ GRE() / IP() / TCP())
+ pkts.append(p)
+ self.pg1.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(len(pkts))
+ for packet in capture:
+ try:
+ self.assertEqual(packet[IPv6].src, self.pg1.remote_ip6)
+ self.assertEqual(packet[IPv6].dst, self.pg0.remote_ip6)
+ self.assert_packet_checksums_valid(packet)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ sm = self.vapi.nat66_static_mapping_dump()
+ self.assertEqual(len(sm), 1)
+ self.assertEqual(sm[0].total_pkts, 8)
+
+ def test_check_no_translate(self):
+ """ NAT66 translate only when egress interface is outside interface """
+ flags = self.config_flags.NAT_IS_INSIDE
+ self.vapi.nat66_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg0.sw_if_index)
+ self.vapi.nat66_add_del_interface(is_add=1, flags=flags,
+ sw_if_index=self.pg1.sw_if_index)
+ self.vapi.nat66_add_del_static_mapping(
+ local_ip_address=self.pg0.remote_ip6n,
+ external_ip_address=self.nat_addr,
+ is_add=1)
+
+ # in2out
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src=self.pg0.remote_ip6, dst=self.pg1.remote_ip6) /
+ UDP())
+ self.pg0.add_stream([p])
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ packet = capture[0]
+ try:
+ self.assertEqual(packet[IPv6].src, self.pg0.remote_ip6)
+ self.assertEqual(packet[IPv6].dst, self.pg1.remote_ip6)
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ def clear_nat66(self):
+ """
+ Clear NAT66 configuration.
+ """
+ interfaces = self.vapi.nat66_interface_dump()
+ for intf in interfaces:
+ self.vapi.nat66_add_del_interface(is_add=0, flags=intf.flags,
+ sw_if_index=intf.sw_if_index)
+
+ static_mappings = self.vapi.nat66_static_mapping_dump()
+ for sm in static_mappings:
+ self.vapi.nat66_add_del_static_mapping(
+ local_ip_address=sm.local_ip_address,
+ external_ip_address=sm.external_ip_address, vrf_id=sm.vrf_id,
+ is_add=0)
+
+ def tearDown(self):
+ super(TestNAT66, self).tearDown()
+ self.clear_nat66()
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.cli("show nat66 interfaces"))
+ self.logger.info(self.vapi.cli("show nat66 static mappings"))
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/src/plugins/pppoe/test/test_pppoe.py b/src/plugins/pppoe/test/test_pppoe.py
new file mode 100644
index 00000000000..54378673eb4
--- /dev/null
+++ b/src/plugins/pppoe/test/test_pppoe.py
@@ -0,0 +1,606 @@
+#!/usr/bin/env python
+
+import socket
+import unittest
+
+from scapy.packet import Raw
+from scapy.layers.l2 import Ether
+from scapy.layers.ppp import PPPoE, PPPoED, PPP
+from scapy.layers.inet import IP
+
+from framework import VppTestCase, VppTestRunner
+from vpp_ip_route import VppIpRoute, VppRoutePath
+from vpp_pppoe_interface import VppPppoeInterface
+from util import ppp, ppc
+
+
+class TestPPPoE(VppTestCase):
+ """ PPPoE Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestPPPoE, cls).setUpClass()
+
+ cls.session_id = 1
+ cls.dst_ip = "100.1.1.100"
+ cls.dst_ipn = socket.inet_pton(socket.AF_INET, cls.dst_ip)
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestPPPoE, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestPPPoE, self).setUp()
+
+ # create 2 pg interfaces
+ self.create_pg_interfaces(range(3))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip4()
+ i.resolve_arp()
+
+ def tearDown(self):
+ super(TestPPPoE, self).tearDown()
+
+ for i in self.pg_interfaces:
+ i.unconfig_ip4()
+ i.admin_down()
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.cli("show int"))
+ self.logger.info(self.vapi.cli("show pppoe fib"))
+ self.logger.info(self.vapi.cli("show pppoe session"))
+ self.logger.info(self.vapi.cli("show ip fib"))
+ self.logger.info(self.vapi.cli("show trace"))
+
+ def create_stream_pppoe_discovery(self, src_if, dst_if,
+ client_mac, count=1):
+ packets = []
+ for i in range(count):
+ # create packet info stored in the test case instance
+ info = self.create_packet_info(src_if, dst_if)
+ # convert the info into packet payload
+ payload = self.info_to_payload(info)
+ # create the packet itself
+ p = (Ether(dst=src_if.local_mac, src=client_mac) /
+ PPPoED(sessionid=0) /
+ Raw(payload))
+ # store a copy of the packet in the packet info
+ info.data = p.copy()
+ # append the packet to the list
+ packets.append(p)
+
+ # return the created packet list
+ return packets
+
+ def create_stream_pppoe_lcp(self, src_if, dst_if,
+ client_mac, session_id, count=1):
+ packets = []
+ for i in range(count):
+ # create packet info stored in the test case instance
+ info = self.create_packet_info(src_if, dst_if)
+ # convert the info into packet payload
+ payload = self.info_to_payload(info)
+ # create the packet itself
+ p = (Ether(dst=src_if.local_mac, src=client_mac) /
+ PPPoE(sessionid=session_id) /
+ PPP(proto=0xc021) /
+ Raw(payload))
+ # store a copy of the packet in the packet info
+ info.data = p.copy()
+ # append the packet to the list
+ packets.append(p)
+
+ # return the created packet list
+ return packets
+
+ def create_stream_pppoe_ip4(self, src_if, dst_if,
+ client_mac, session_id, client_ip, count=1):
+ packets = []
+ for i in range(count):
+ # create packet info stored in the test case instance
+ info = self.create_packet_info(src_if, dst_if)
+ # convert the info into packet payload
+ payload = self.info_to_payload(info)
+ # create the packet itself
+ p = (Ether(dst=src_if.local_mac, src=client_mac) /
+ PPPoE(sessionid=session_id) /
+ PPP(proto=0x0021) /
+ IP(src=client_ip, dst=self.dst_ip) /
+ Raw(payload))
+ # store a copy of the packet in the packet info
+ info.data = p.copy()
+ # append the packet to the list
+ packets.append(p)
+
+ # return the created packet list
+ return packets
+
+ def create_stream_ip4(self, src_if, dst_if, client_ip, dst_ip, count=1):
+ pkts = []
+ for i in range(count):
+ # create packet info stored in the test case instance
+ info = self.create_packet_info(src_if, dst_if)
+ # convert the info into packet payload
+ payload = self.info_to_payload(info)
+ # create the packet itself
+ p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
+ IP(src=dst_ip, dst=client_ip) /
+ Raw(payload))
+ # store a copy of the packet in the packet info
+ info.data = p.copy()
+ # append the packet to the list
+ pkts.append(p)
+
+ # return the created packet list
+ return pkts
+
+ def verify_decapped_pppoe(self, src_if, capture, sent):
+ self.assertEqual(len(capture), len(sent))
+
+ for i in range(len(capture)):
+ try:
+ tx = sent[i]
+ rx = capture[i]
+
+ tx_ip = tx[IP]
+ rx_ip = rx[IP]
+
+ self.assertEqual(rx_ip.src, tx_ip.src)
+ self.assertEqual(rx_ip.dst, tx_ip.dst)
+
+ except:
+ self.logger.error(ppp("Rx:", rx))
+ self.logger.error(ppp("Tx:", tx))
+ raise
+
+ def verify_encaped_pppoe(self, src_if, capture, sent, session_id):
+
+ self.assertEqual(len(capture), len(sent))
+
+ for i in range(len(capture)):
+ try:
+ tx = sent[i]
+ rx = capture[i]
+
+ tx_ip = tx[IP]
+ rx_ip = rx[IP]
+
+ self.assertEqual(rx_ip.src, tx_ip.src)
+ self.assertEqual(rx_ip.dst, tx_ip.dst)
+
+ rx_pppoe = rx[PPPoE]
+
+ self.assertEqual(rx_pppoe.sessionid, session_id)
+
+ except:
+ self.logger.error(ppp("Rx:", rx))
+ self.logger.error(ppp("Tx:", tx))
+ raise
+
+ def test_PPPoE_Decap(self):
+ """ PPPoE Decap Test """
+
+ self.vapi.cli("clear trace")
+
+ #
+ # Add a route that resolves the server's destination
+ #
+ route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
+ [VppRoutePath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index)])
+ route_sever_dst.add_vpp_config()
+
+ # Send PPPoE Discovery
+ tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
+ self.pg0.remote_mac)
+ self.pg0.add_stream(tx0)
+ self.pg_start()
+
+ # Send PPPoE PPP LCP
+ tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1,
+ self.pg0.remote_mac,
+ self.session_id)
+ self.pg0.add_stream(tx1)
+ self.pg_start()
+
+ # Create PPPoE session
+ pppoe_if = VppPppoeInterface(self,
+ self.pg0.remote_ip4,
+ self.pg0.remote_mac,
+ self.session_id)
+ pppoe_if.add_vpp_config()
+
+ #
+ # Send tunneled packets that match the created tunnel and
+ # are decapped and forwarded
+ #
+ tx2 = self.create_stream_pppoe_ip4(self.pg0, self.pg1,
+ self.pg0.remote_mac,
+ self.session_id,
+ self.pg0.remote_ip4)
+ self.pg0.add_stream(tx2)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx2 = self.pg1.get_capture(len(tx2))
+ self.verify_decapped_pppoe(self.pg0, rx2, tx2)
+
+ self.logger.info(self.vapi.cli("show pppoe fib"))
+ self.logger.info(self.vapi.cli("show pppoe session"))
+ self.logger.info(self.vapi.cli("show ip fib"))
+
+ #
+ # test case cleanup
+ #
+
+ # Delete PPPoE session
+ pppoe_if.remove_vpp_config()
+
+ # Delete a route that resolves the server's destination
+ route_sever_dst.remove_vpp_config()
+
+ def test_PPPoE_Encap(self):
+ """ PPPoE Encap Test """
+
+ self.vapi.cli("clear trace")
+
+ #
+ # Add a route that resolves the server's destination
+ #
+ route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
+ [VppRoutePath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index)])
+ route_sever_dst.add_vpp_config()
+
+ # Send PPPoE Discovery
+ tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
+ self.pg0.remote_mac)
+ self.pg0.add_stream(tx0)
+ self.pg_start()
+
+ # Send PPPoE PPP LCP
+ tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1,
+ self.pg0.remote_mac,
+ self.session_id)
+ self.pg0.add_stream(tx1)
+ self.pg_start()
+
+ # Create PPPoE session
+ pppoe_if = VppPppoeInterface(self,
+ self.pg0.remote_ip4,
+ self.pg0.remote_mac,
+ self.session_id)
+ pppoe_if.add_vpp_config()
+
+ #
+ # Send a packet stream that is routed into the session
+ # - packets are PPPoE encapped
+ #
+ self.vapi.cli("clear trace")
+ tx2 = self.create_stream_ip4(self.pg1, self.pg0,
+ self.pg0.remote_ip4, self.dst_ip, 65)
+ self.pg1.add_stream(tx2)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx2 = self.pg0.get_capture(len(tx2))
+ self.verify_encaped_pppoe(self.pg1, rx2, tx2, self.session_id)
+
+ self.logger.info(self.vapi.cli("show pppoe fib"))
+ self.logger.info(self.vapi.cli("show pppoe session"))
+ self.logger.info(self.vapi.cli("show ip fib"))
+ self.logger.info(self.vapi.cli("show adj"))
+
+ #
+ # test case cleanup
+ #
+
+ # Delete PPPoE session
+ pppoe_if.remove_vpp_config()
+
+ # Delete a route that resolves the server's destination
+ route_sever_dst.remove_vpp_config()
+
+ def test_PPPoE_Add_Twice(self):
+ """ PPPoE Add Same Session Twice Test """
+
+ self.vapi.cli("clear trace")
+
+ #
+ # Add a route that resolves the server's destination
+ #
+ route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
+ [VppRoutePath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index)])
+ route_sever_dst.add_vpp_config()
+
+ # Send PPPoE Discovery
+ tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
+ self.pg0.remote_mac)
+ self.pg0.add_stream(tx0)
+ self.pg_start()
+
+ # Send PPPoE PPP LCP
+ tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1,
+ self.pg0.remote_mac,
+ self.session_id)
+ self.pg0.add_stream(tx1)
+ self.pg_start()
+
+ # Create PPPoE session
+ pppoe_if = VppPppoeInterface(self,
+ self.pg0.remote_ip4,
+ self.pg0.remote_mac,
+ self.session_id)
+ pppoe_if.add_vpp_config()
+
+ #
+ # The double create (create the same session twice) should fail,
+ # and we should still be able to use the original
+ #
+ try:
+ pppoe_if.add_vpp_config()
+ except Exception:
+ pass
+ else:
+ self.fail("Double GRE tunnel add does not fail")
+
+ #
+ # test case cleanup
+ #
+
+ # Delete PPPoE session
+ pppoe_if.remove_vpp_config()
+
+ # Delete a route that resolves the server's destination
+ route_sever_dst.remove_vpp_config()
+
+ def test_PPPoE_Del_Twice(self):
+ """ PPPoE Delete Same Session Twice Test """
+
+ self.vapi.cli("clear trace")
+
+ #
+ # Add a route that resolves the server's destination
+ #
+ route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
+ [VppRoutePath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index)])
+ route_sever_dst.add_vpp_config()
+
+ # Send PPPoE Discovery
+ tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
+ self.pg0.remote_mac)
+ self.pg0.add_stream(tx0)
+ self.pg_start()
+
+ # Send PPPoE PPP LCP
+ tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1,
+ self.pg0.remote_mac,
+ self.session_id)
+ self.pg0.add_stream(tx1)
+ self.pg_start()
+
+ # Create PPPoE session
+ pppoe_if = VppPppoeInterface(self,
+ self.pg0.remote_ip4,
+ self.pg0.remote_mac,
+ self.session_id)
+ pppoe_if.add_vpp_config()
+
+ # Delete PPPoE session
+ pppoe_if.remove_vpp_config()
+
+ #
+ # The double del (del the same session twice) should fail,
+ # and we should still be able to use the original
+ #
+ try:
+ pppoe_if.remove_vpp_config()
+ except Exception:
+ pass
+ else:
+ self.fail("Double GRE tunnel del does not fail")
+
+ #
+ # test case cleanup
+ #
+
+ # Delete a route that resolves the server's destination
+ route_sever_dst.remove_vpp_config()
+
+ def test_PPPoE_Decap_Multiple(self):
+ """ PPPoE Decap Multiple Sessions Test """
+
+ self.vapi.cli("clear trace")
+
+ #
+ # Add a route that resolves the server's destination
+ #
+ route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
+ [VppRoutePath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index)])
+ route_sever_dst.add_vpp_config()
+
+ # Send PPPoE Discovery 1
+ tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
+ self.pg0.remote_mac)
+ self.pg0.add_stream(tx0)
+ self.pg_start()
+
+ # Send PPPoE PPP LCP 1
+ tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1,
+ self.pg0.remote_mac,
+ self.session_id)
+ self.pg0.add_stream(tx1)
+ self.pg_start()
+
+ # Create PPPoE session 1
+ pppoe_if1 = VppPppoeInterface(self,
+ self.pg0.remote_ip4,
+ self.pg0.remote_mac,
+ self.session_id)
+ pppoe_if1.add_vpp_config()
+
+ # Send PPPoE Discovery 2
+ tx3 = self.create_stream_pppoe_discovery(self.pg2, self.pg1,
+ self.pg2.remote_mac)
+ self.pg2.add_stream(tx3)
+ self.pg_start()
+
+ # Send PPPoE PPP LCP 2
+ tx4 = self.create_stream_pppoe_lcp(self.pg2, self.pg1,
+ self.pg2.remote_mac,
+ self.session_id + 1)
+ self.pg2.add_stream(tx4)
+ self.pg_start()
+
+ # Create PPPoE session 2
+ pppoe_if2 = VppPppoeInterface(self,
+ self.pg2.remote_ip4,
+ self.pg2.remote_mac,
+ self.session_id + 1)
+ pppoe_if2.add_vpp_config()
+
+ #
+ # Send tunneled packets that match the created tunnel and
+ # are decapped and forwarded
+ #
+ tx2 = self.create_stream_pppoe_ip4(self.pg0, self.pg1,
+ self.pg0.remote_mac,
+ self.session_id,
+ self.pg0.remote_ip4)
+ self.pg0.add_stream(tx2)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx2 = self.pg1.get_capture(len(tx2))
+ self.verify_decapped_pppoe(self.pg0, rx2, tx2)
+
+ tx5 = self.create_stream_pppoe_ip4(self.pg2, self.pg1,
+ self.pg2.remote_mac,
+ self.session_id + 1,
+ self.pg2.remote_ip4)
+ self.pg2.add_stream(tx5)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx5 = self.pg1.get_capture(len(tx5))
+ self.verify_decapped_pppoe(self.pg2, rx5, tx5)
+
+ self.logger.info(self.vapi.cli("show pppoe fib"))
+ self.logger.info(self.vapi.cli("show pppoe session"))
+ self.logger.info(self.vapi.cli("show ip fib"))
+
+ #
+ # test case cleanup
+ #
+
+ # Delete PPPoE session
+ pppoe_if1.remove_vpp_config()
+ pppoe_if2.remove_vpp_config()
+
+ # Delete a route that resolves the server's destination
+ route_sever_dst.remove_vpp_config()
+
+ def test_PPPoE_Encap_Multiple(self):
+ """ PPPoE Encap Multiple Sessions Test """
+
+ self.vapi.cli("clear trace")
+
+ #
+ # Add a route that resolves the server's destination
+ #
+ route_sever_dst = VppIpRoute(self, "100.1.1.100", 32,
+ [VppRoutePath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index)])
+ route_sever_dst.add_vpp_config()
+
+ # Send PPPoE Discovery 1
+ tx0 = self.create_stream_pppoe_discovery(self.pg0, self.pg1,
+ self.pg0.remote_mac)
+ self.pg0.add_stream(tx0)
+ self.pg_start()
+
+ # Send PPPoE PPP LCP 1
+ tx1 = self.create_stream_pppoe_lcp(self.pg0, self.pg1,
+ self.pg0.remote_mac,
+ self.session_id)
+ self.pg0.add_stream(tx1)
+ self.pg_start()
+
+ # Create PPPoE session 1
+ pppoe_if1 = VppPppoeInterface(self,
+ self.pg0.remote_ip4,
+ self.pg0.remote_mac,
+ self.session_id)
+ pppoe_if1.add_vpp_config()
+
+ # Send PPPoE Discovery 2
+ tx3 = self.create_stream_pppoe_discovery(self.pg2, self.pg1,
+ self.pg2.remote_mac)
+ self.pg2.add_stream(tx3)
+ self.pg_start()
+
+ # Send PPPoE PPP LCP 2
+ tx4 = self.create_stream_pppoe_lcp(self.pg2, self.pg1,
+ self.pg2.remote_mac,
+ self.session_id + 1)
+ self.pg2.add_stream(tx4)
+ self.pg_start()
+
+ # Create PPPoE session 2
+ pppoe_if2 = VppPppoeInterface(self,
+ self.pg2.remote_ip4,
+ self.pg2.remote_mac,
+ self.session_id + 1)
+ pppoe_if2.add_vpp_config()
+
+ #
+ # Send a packet stream that is routed into the session
+ # - packets are PPPoE encapped
+ #
+ self.vapi.cli("clear trace")
+ tx2 = self.create_stream_ip4(self.pg1, self.pg0,
+ self.pg0.remote_ip4, self.dst_ip)
+ self.pg1.add_stream(tx2)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx2 = self.pg0.get_capture(len(tx2))
+ self.verify_encaped_pppoe(self.pg1, rx2, tx2, self.session_id)
+
+ tx5 = self.create_stream_ip4(self.pg1, self.pg2,
+ self.pg2.remote_ip4, self.dst_ip)
+ self.pg1.add_stream(tx5)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx5 = self.pg2.get_capture(len(tx5))
+ self.verify_encaped_pppoe(self.pg1, rx5, tx5, self.session_id + 1)
+
+ self.logger.info(self.vapi.cli("show pppoe fib"))
+ self.logger.info(self.vapi.cli("show pppoe session"))
+ self.logger.info(self.vapi.cli("show ip fib"))
+
+ #
+ # test case cleanup
+ #
+
+ # Delete PPPoE session
+ pppoe_if1.remove_vpp_config()
+ pppoe_if2.remove_vpp_config()
+
+ # Delete a route that resolves the server's destination
+ route_sever_dst.remove_vpp_config()
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/src/plugins/pppoe/test/vpp_pppoe_interface.py b/src/plugins/pppoe/test/vpp_pppoe_interface.py
new file mode 100644
index 00000000000..9be92327dcf
--- /dev/null
+++ b/src/plugins/pppoe/test/vpp_pppoe_interface.py
@@ -0,0 +1,39 @@
+
+from vpp_interface import VppInterface
+import socket
+from vpp_papi import mac_pton
+
+
+class VppPppoeInterface(VppInterface):
+ """
+ VPP Pppoe interface
+ """
+
+ def __init__(self, test, client_ip, client_mac,
+ session_id, decap_vrf_id=0):
+ """ Create VPP PPPoE4 interface """
+ super(VppPppoeInterface, self).__init__(test)
+ self.client_ip = client_ip
+ self.client_mac = client_mac
+ self.session_id = session_id
+ self.decap_vrf_id = decap_vrf_id
+
+ def add_vpp_config(self):
+ cip = socket.inet_pton(socket.AF_INET, self.client_ip)
+ cmac = mac_pton(self.client_mac)
+ r = self.test.vapi.pppoe_add_del_session(
+ cip, cmac,
+ session_id=self.session_id,
+ decap_vrf_id=self.decap_vrf_id)
+ self.set_sw_if_index(r.sw_if_index)
+ self.generate_remote_hosts()
+
+ def remove_vpp_config(self):
+ cip = socket.inet_pton(socket.AF_INET, self.client_ip)
+ cmac = mac_pton(self.client_mac)
+ self.unconfig()
+ self.test.vapi.pppoe_add_del_session(
+ cip, cmac,
+ session_id=self.session_id,
+ decap_vrf_id=self.decap_vrf_id,
+ is_add=0)
diff --git a/src/plugins/quic/test/test_quic.py b/src/plugins/quic/test/test_quic.py
new file mode 100644
index 00000000000..bbf7d72b838
--- /dev/null
+++ b/src/plugins/quic/test/test_quic.py
@@ -0,0 +1,248 @@
+#!/usr/bin/env python
+""" Vpp QUIC tests """
+
+import unittest
+import os
+import subprocess
+import signal
+from framework import VppTestCase, VppTestRunner, running_extended_tests, \
+ Worker
+from vpp_ip_route import VppIpTable, VppIpRoute, VppRoutePath
+
+
+class QUICAppWorker(Worker):
+ """ QUIC Test Application Worker """
+ process = None
+
+ def __init__(self, build_dir, appname, args, logger, env={}):
+ app = "%s/vpp/bin/%s" % (build_dir, appname)
+ self.args = [app] + args
+ super(QUICAppWorker, self).__init__(self.args, logger, env)
+
+ def run(self):
+ super(QUICAppWorker, self).run()
+
+ def teardown(self, logger, timeout):
+ if self.process is None:
+ return False
+ try:
+ logger.debug("Killing worker process (pid %d)" % self.process.pid)
+ os.killpg(os.getpgid(self.process.pid), signal.SIGKILL)
+ self.join(timeout)
+ except OSError as e:
+ logger.debug("Couldn't kill worker process")
+ return True
+ return False
+
+
+class QUICTestCase(VppTestCase):
+ """ QUIC Test Case """
+
+ def setUp(self):
+ super(QUICTestCase, self).setUp()
+ var = "VPP_BUILD_DIR"
+ self.build_dir = os.getenv(var, None)
+ if self.build_dir is None:
+ raise Exception("Environment variable `%s' not set" % var)
+ self.vppDebug = 'vpp_debug' in self.build_dir
+ self.timeout = 20
+ self.vapi.session_enable_disable(is_enabled=1)
+ self.pre_test_sleep = 0.3
+ self.post_test_sleep = 0.2
+
+ self.create_loopback_interfaces(2)
+ self.uri = "quic://%s/1234" % self.loop0.local_ip4
+ table_id = 1
+ for i in self.lo_interfaces:
+ i.admin_up()
+
+ if table_id != 0:
+ tbl = VppIpTable(self, table_id)
+ tbl.add_vpp_config()
+
+ i.set_table_ip4(table_id)
+ i.config_ip4()
+ table_id += 1
+
+ # Configure namespaces
+ self.vapi.app_namespace_add_del(namespace_id=b"server",
+ sw_if_index=self.loop0.sw_if_index)
+ self.vapi.app_namespace_add_del(namespace_id=b"client",
+ sw_if_index=self.loop1.sw_if_index)
+
+ # Add inter-table routes
+ self.ip_t01 = VppIpRoute(self, self.loop1.local_ip4, 32,
+ [VppRoutePath("0.0.0.0",
+ 0xffffffff,
+ nh_table_id=2)], table_id=1)
+ self.ip_t10 = VppIpRoute(self, self.loop0.local_ip4, 32,
+ [VppRoutePath("0.0.0.0",
+ 0xffffffff,
+ nh_table_id=1)], table_id=2)
+ self.ip_t01.add_vpp_config()
+ self.ip_t10.add_vpp_config()
+ self.logger.debug(self.vapi.cli("show ip fib"))
+
+ def tearDown(self):
+ self.vapi.session_enable_disable(is_enabled=0)
+ # Delete inter-table routes
+ self.ip_t01.remove_vpp_config()
+ self.ip_t10.remove_vpp_config()
+
+ for i in self.lo_interfaces:
+ i.unconfig_ip4()
+ i.set_table_ip4(0)
+ i.admin_down()
+ super(QUICTestCase, self).tearDown()
+
+
+class QUICEchoInternalTestCase(QUICTestCase):
+ """QUIC Echo Internal Test Case"""
+
+ def setUp(self):
+ super(QUICEchoInternalTestCase, self).setUp()
+ self.client_args = "uri %s fifo-size 64 test-bytes appns client" \
+ % self.uri
+ self.server_args = "uri %s fifo-size 64 appns server" % self.uri
+
+ def server(self, *args):
+ error = self.vapi.cli(
+ "test echo server %s %s" %
+ (self.server_args, ' '.join(args)))
+ if error:
+ self.logger.critical(error)
+ self.assertNotIn("failed", error)
+
+ def client(self, *args):
+ error = self.vapi.cli(
+ "test echo client %s %s" %
+ (self.client_args, ' '.join(args)))
+ if error:
+ self.logger.critical(error)
+ self.assertNotIn("failed", error)
+
+
+class QUICEchoInternalTransferTestCase(QUICEchoInternalTestCase):
+ """QUIC Echo Internal Transfer Test Case"""
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
+ def test_quic_internal_transfer(self):
+ self.server()
+ self.client("no-output", "mbytes", "2")
+
+
+class QUICEchoInternalSerialTestCase(QUICEchoInternalTestCase):
+ """QUIC Echo Internal Serial Transfer Test Case"""
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
+ def test_quic_serial_internal_transfer(self):
+ self.server()
+ self.client("no-output", "mbytes", "2")
+ self.client("no-output", "mbytes", "2")
+ self.client("no-output", "mbytes", "2")
+ self.client("no-output", "mbytes", "2")
+ self.client("no-output", "mbytes", "2")
+
+
+class QUICEchoInternalMStreamTestCase(QUICEchoInternalTestCase):
+ """QUIC Echo Internal MultiStream Test Case"""
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
+ def test_quic_internal_multistream_transfer(self):
+ self.server()
+ self.client("nclients", "10", "mbytes", "1", "no-output")
+
+
+class QUICEchoExternalTestCase(QUICTestCase):
+ extra_vpp_punt_config = ["session", "{", "evt_qs_memfd_seg", "}"]
+ quic_setup = "default"
+
+ def setUp(self):
+ super(QUICEchoExternalTestCase, self).setUp()
+ common_args = [
+ "uri",
+ self.uri,
+ "fifo-size",
+ "64",
+ "test-bytes:assert",
+ "socket-name",
+ self.api_sock]
+ self.server_echo_test_args = common_args + \
+ ["server", "appns", "server", "quic-setup", self.quic_setup]
+ self.client_echo_test_args = common_args + \
+ ["client", "appns", "client", "quic-setup", self.quic_setup]
+
+ def server(self, *args):
+ _args = self.server_echo_test_args + list(args)
+ self.worker_server = QUICAppWorker(
+ self.build_dir,
+ "vpp_echo",
+ _args,
+ self.logger)
+ self.worker_server.start()
+ self.sleep(self.pre_test_sleep)
+
+ def client(self, *args):
+ _args = self.client_echo_test_args + list(args)
+ # self.client_echo_test_args += "use-svm-api"
+ self.worker_client = QUICAppWorker(
+ self.build_dir,
+ "vpp_echo",
+ _args,
+ self.logger)
+ self.worker_client.start()
+ self.worker_client.join(self.timeout)
+ self.worker_server.join(self.timeout)
+ self.sleep(self.post_test_sleep)
+
+ def validate_external_test_results(self):
+ self.logger.info(
+ "Client worker result is `%s'" %
+ self.worker_client.result)
+ server_result = self.worker_server.result
+ client_result = self.worker_client.result
+ server_kill_error = False
+ if self.worker_server.result is None:
+ server_kill_error = self.worker_server.teardown(
+ self.logger, self.timeout)
+ if self.worker_client.result is None:
+ self.worker_client.teardown(self.logger, self.timeout)
+ self.assertEqual(server_result, 0, "Wrong server worker return code")
+ self.assertIsNotNone(
+ client_result,
+ "Timeout! Client worker did not finish in %ss" %
+ self.timeout)
+ self.assertEqual(client_result, 0, "Wrong client worker return code")
+ self.assertFalse(server_kill_error, "Server kill errored")
+
+
+class QUICEchoExternalTransferTestCase(QUICEchoExternalTestCase):
+ """QUIC Echo External Transfer Test Case"""
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
+ def test_quic_external_transfer(self):
+ self.server()
+ self.client()
+ self.validate_external_test_results()
+
+
+class QUICEchoExternalServerStreamTestCase(QUICEchoExternalTestCase):
+ """QUIC Echo External Transfer Server Stream Test Case"""
+ quic_setup = "serverstream"
+
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
+ def test_quic_external_transfer_server_stream(self):
+ self.server("TX=1Kb", "RX=0")
+ self.client("TX=0", "RX=1Kb")
+ self.validate_external_test_results()
+
+
+class QUICEchoExternalServerStreamWorkersTestCase(QUICEchoExternalTestCase):
+ """QUIC Echo External Transfer Server Stream MultiWorker Test Case"""
+ quic_setup = "serverstream"
+
+ @unittest.skipUnless(running_extended_tests, "part of extended tests")
+ def test_quic_external_transfer_server_stream_multi_workers(self):
+ self.server("nclients", "4/4", "TX=1Kb", "RX=0")
+ self.client("nclients", "4/4", "TX=0", "RX=1Kb")
+ self.validate_external_test_results()
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/src/plugins/sctp/test/test_sctp.py b/src/plugins/sctp/test/test_sctp.py
new file mode 100644
index 00000000000..75bbb23f31f
--- /dev/null
+++ b/src/plugins/sctp/test/test_sctp.py
@@ -0,0 +1,92 @@
+#!/usr/bin/env python
+
+import unittest
+
+from framework import VppTestCase, VppTestRunner
+from vpp_ip_route import VppIpTable, VppIpRoute, VppRoutePath
+
+
+class TestSCTP(VppTestCase):
+ """ SCTP Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ cls.extra_vpp_plugin_config.append("plugin sctp_plugin.so { enable }")
+ super(TestSCTP, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestSCTP, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestSCTP, self).setUp()
+ self.vapi.session_enable_disable(is_enabled=1)
+ self.vapi.cli("sctp enable")
+ self.create_loopback_interfaces(2)
+
+ table_id = 0
+
+ for i in self.lo_interfaces:
+ i.admin_up()
+
+ if table_id != 0:
+ tbl = VppIpTable(self, table_id)
+ tbl.add_vpp_config()
+
+ i.set_table_ip4(table_id)
+ i.config_ip4()
+ table_id += 1
+
+ # Configure namespaces
+ self.vapi.app_namespace_add_del(namespace_id=b"0",
+ sw_if_index=self.loop0.sw_if_index)
+ self.vapi.app_namespace_add_del(namespace_id=b"1",
+ sw_if_index=self.loop1.sw_if_index)
+
+ def tearDown(self):
+ for i in self.lo_interfaces:
+ i.unconfig_ip4()
+ i.set_table_ip4(0)
+ i.admin_down()
+ self.vapi.session_enable_disable(is_enabled=0)
+ super(TestSCTP, self).tearDown()
+
+ def test_sctp_transfer(self):
+ """ SCTP echo client/server transfer """
+
+ # Add inter-table routes
+ ip_t01 = VppIpRoute(self, self.loop1.local_ip4, 32,
+ [VppRoutePath("0.0.0.0",
+ 0xffffffff,
+ nh_table_id=1)])
+ ip_t10 = VppIpRoute(self, self.loop0.local_ip4, 32,
+ [VppRoutePath("0.0.0.0",
+ 0xffffffff,
+ nh_table_id=0)], table_id=1)
+ ip_t01.add_vpp_config()
+ ip_t10.add_vpp_config()
+
+ # Start builtin server and client
+ uri = "sctp://" + self.loop0.local_ip4 + "/1234"
+ error = self.vapi.cli("test echo server appns 0 fifo-size 4 " +
+ "no-echo uri " + uri)
+ if error:
+ self.logger.critical(error)
+ self.assertNotIn("failed", error)
+
+ error = self.vapi.cli("test echo client mbytes 10 no-return " +
+ " appns 1" +
+ " fifo-size 4" +
+ " no-output test-bytes syn-timeout 3" +
+ " test-timeout 30" +
+ " uri " + uri)
+ if error:
+ self.logger.critical(error)
+ self.assertNotIn("failed", error)
+
+ # Delete inter-table routes
+ ip_t01.remove_vpp_config()
+ ip_t10.remove_vpp_config()
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/src/plugins/srv6-ad/test/test_srv6_ad.py b/src/plugins/srv6-ad/test/test_srv6_ad.py
new file mode 100644
index 00000000000..aa4b8d3c088
--- /dev/null
+++ b/src/plugins/srv6-ad/test/test_srv6_ad.py
@@ -0,0 +1,811 @@
+#!/usr/bin/env python
+
+import unittest
+import binascii
+from socket import AF_INET6
+
+from framework import VppTestCase, VppTestRunner
+from vpp_ip import DpoProto
+from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable
+from vpp_srv6 import SRv6LocalSIDBehaviors, VppSRv6LocalSID, VppSRv6Policy, \
+ SRv6PolicyType, VppSRv6Steering, SRv6PolicySteeringTypes
+
+import scapy.compat
+from scapy.packet import Raw
+from scapy.layers.l2 import Ether, Dot1Q
+from scapy.layers.inet6 import IPv6, UDP, IPv6ExtHdrSegmentRouting
+from scapy.layers.inet import IP, UDP
+
+from scapy.utils import inet_pton, inet_ntop
+
+from util import ppp
+
+
+class TestSRv6(VppTestCase):
+ """ SRv6 Dynamic Proxy plugin Test Case """
+
+ @classmethod
+ def setUpClass(self):
+ super(TestSRv6, self).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestSRv6, cls).tearDownClass()
+
+ def setUp(self):
+ """ Perform test setup before each test case.
+ """
+ super(TestSRv6, self).setUp()
+
+ # packet sizes, inclusive L2 overhead
+ self.pg_packet_sizes = [64, 512, 1518, 9018]
+
+ # reset packet_infos
+ self.reset_packet_infos()
+
+ def tearDown(self):
+ """ Clean up test setup after each test case.
+ """
+ self.teardown_interfaces()
+
+ super(TestSRv6, self).tearDown()
+
+ def configure_interface(self,
+ interface,
+ ipv6=False, ipv4=False,
+ ipv6_table_id=0, ipv4_table_id=0):
+ """ Configure interface.
+ :param ipv6: configure IPv6 on interface
+ :param ipv4: configure IPv4 on interface
+ :param ipv6_table_id: FIB table_id for IPv6
+ :param ipv4_table_id: FIB table_id for IPv4
+ """
+ self.logger.debug("Configuring interface %s" % (interface.name))
+ if ipv6:
+ self.logger.debug("Configuring IPv6")
+ interface.set_table_ip6(ipv6_table_id)
+ interface.config_ip6()
+ interface.resolve_ndp(timeout=5)
+ if ipv4:
+ self.logger.debug("Configuring IPv4")
+ interface.set_table_ip4(ipv4_table_id)
+ interface.config_ip4()
+ interface.resolve_arp()
+ interface.admin_up()
+
+ def setup_interfaces(self, ipv6=[], ipv4=[],
+ ipv6_table_id=[], ipv4_table_id=[]):
+ """ Create and configure interfaces.
+
+ :param ipv6: list of interface IPv6 capabilities
+ :param ipv4: list of interface IPv4 capabilities
+ :param ipv6_table_id: list of intf IPv6 FIB table_ids
+ :param ipv4_table_id: list of intf IPv4 FIB table_ids
+ :returns: List of created interfaces.
+ """
+ # how many interfaces?
+ if len(ipv6):
+ count = len(ipv6)
+ else:
+ count = len(ipv4)
+ self.logger.debug("Creating and configuring %d interfaces" % (count))
+
+ # fill up ipv6 and ipv4 lists if needed
+ # not enabled (False) is the default
+ if len(ipv6) < count:
+ ipv6 += (count - len(ipv6)) * [False]
+ if len(ipv4) < count:
+ ipv4 += (count - len(ipv4)) * [False]
+
+ # fill up table_id lists if needed
+ # table_id 0 (global) is the default
+ if len(ipv6_table_id) < count:
+ ipv6_table_id += (count - len(ipv6_table_id)) * [0]
+ if len(ipv4_table_id) < count:
+ ipv4_table_id += (count - len(ipv4_table_id)) * [0]
+
+ # create 'count' pg interfaces
+ self.create_pg_interfaces(range(count))
+
+ # setup all interfaces
+ for i in range(count):
+ intf = self.pg_interfaces[i]
+ self.configure_interface(intf,
+ ipv6[i], ipv4[i],
+ ipv6_table_id[i], ipv4_table_id[i])
+
+ if any(ipv6):
+ self.logger.debug(self.vapi.cli("show ip6 neighbors"))
+ if any(ipv4):
+ self.logger.debug(self.vapi.cli("show ip arp"))
+ self.logger.debug(self.vapi.cli("show interface"))
+ self.logger.debug(self.vapi.cli("show hardware"))
+
+ return self.pg_interfaces
+
+ def teardown_interfaces(self):
+ """ Unconfigure and bring down interface.
+ """
+ self.logger.debug("Tearing down interfaces")
+ # tear down all interfaces
+ # AFAIK they cannot be deleted
+ for i in self.pg_interfaces:
+ self.logger.debug("Tear down interface %s" % (i.name))
+ i.admin_down()
+ i.unconfig()
+ i.set_table_ip4(0)
+ i.set_table_ip6(0)
+
+ def test_SRv6_End_AD_IPv6(self):
+ """ Test SRv6 End.AD behavior with IPv6 traffic.
+ """
+ self.src_addr = 'a0::'
+ self.sid_list = ['a1::', 'a2::a6', 'a3::']
+ self.test_sid_index = 1
+
+ # send traffic to one destination interface
+ # source and destination interfaces are IPv6 only
+ self.setup_interfaces(ipv6=[True, True])
+
+ # configure route to next segment
+ route = VppIpRoute(self, self.sid_list[self.test_sid_index + 1], 128,
+ [VppRoutePath(self.pg0.remote_ip6,
+ self.pg0.sw_if_index,
+ proto=DpoProto.DPO_PROTO_IP6)])
+ route.add_vpp_config()
+
+ # configure SRv6 localSID behavior
+ cli_str = "sr localsid address " + \
+ self.sid_list[self.test_sid_index] + \
+ " behavior end.ad" + \
+ " nh " + self.pg1.remote_ip6 + \
+ " oif " + self.pg1.name + \
+ " iif " + self.pg1.name
+ self.vapi.cli(cli_str)
+
+ # log the localsids
+ self.logger.debug(self.vapi.cli("show sr localsid"))
+
+ # send one packet per packet size
+ count = len(self.pg_packet_sizes)
+
+ # prepare IPv6 in SRv6 headers
+ packet_header1 = self.create_packet_header_IPv6_SRH_IPv6(
+ srcaddr=self.src_addr,
+ sidlist=self.sid_list[::-1],
+ segleft=len(self.sid_list) - self.test_sid_index - 1)
+
+ # generate packets (pg0->pg1)
+ pkts1 = self.create_stream(self.pg0, self.pg1, packet_header1,
+ self.pg_packet_sizes, count)
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg0, pkts1, self.pg1,
+ self.compare_rx_tx_packet_End_AD_IPv6_out)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # prepare IPv6 header for returning packets
+ packet_header2 = self.create_packet_header_IPv6()
+
+ # generate returning packets (pg1->pg0)
+ pkts2 = self.create_stream(self.pg1, self.pg0, packet_header2,
+ self.pg_packet_sizes, count)
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg1, pkts2, self.pg0,
+ self.compare_rx_tx_packet_End_AD_IPv6_in)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # remove SRv6 localSIDs
+ cli_str = "sr localsid del address " + \
+ self.sid_list[self.test_sid_index]
+ self.vapi.cli(cli_str)
+
+ # cleanup interfaces
+ self.teardown_interfaces()
+
+ def compare_rx_tx_packet_End_AD_IPv6_out(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing End.AD with IPv6
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+
+ # get first (outer) IPv6 header of rx'ed packet
+ rx_ip = rx_pkt.getlayer(IPv6)
+
+ tx_ip = tx_pkt.getlayer(IPv6)
+ tx_ip2 = tx_pkt.getlayer(IPv6, 2)
+
+ # verify if rx'ed packet has no SRH
+ self.assertFalse(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+
+ # the whole rx_ip pkt should be equal to tx_ip2
+ # except for the hlim field
+ # -> adjust tx'ed hlim to expected hlim
+ tx_ip2.hlim = tx_ip2.hlim - 1
+
+ self.assertEqual(rx_ip, tx_ip2)
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def compare_rx_tx_packet_End_AD_IPv6_in(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing End.AD
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+
+ # get first (outer) IPv6 header of rx'ed packet
+ rx_ip = rx_pkt.getlayer(IPv6)
+ # received ip.src should be equal to SR Policy source
+ self.assertEqual(rx_ip.src, self.src_addr)
+ # received ip.dst should be equal to expected sidlist next segment
+ self.assertEqual(rx_ip.dst, self.sid_list[self.test_sid_index + 1])
+
+ # rx'ed packet should have SRH
+ self.assertTrue(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+
+ # get SRH
+ rx_srh = rx_pkt.getlayer(IPv6ExtHdrSegmentRouting)
+ # rx'ed seglist should be equal to SID-list in reversed order
+ self.assertEqual(rx_srh.addresses, self.sid_list[::-1])
+ # segleft should be equal to previous segleft value minus 1
+ self.assertEqual(rx_srh.segleft,
+ len(self.sid_list) - self.test_sid_index - 2)
+ # lastentry should be equal to the SID-list length minus 1
+ self.assertEqual(rx_srh.lastentry, len(self.sid_list) - 1)
+
+ # the whole rx'ed pkt beyond SRH should be equal to tx'ed pkt
+ # except for the hop-limit field
+ tx_ip = tx_pkt.getlayer(IPv6)
+ # -> update tx'ed hlim to the expected hlim
+ tx_ip.hlim -= 1
+ # -> check payload
+ self.assertEqual(rx_srh.payload, tx_ip)
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def test_SRv6_End_AD_IPv4(self):
+ """ Test SRv6 End.AD behavior with IPv4 traffic.
+ """
+ self.src_addr = 'a0::'
+ self.sid_list = ['a1::', 'a2::a4', 'a3::']
+ self.test_sid_index = 1
+
+ # send traffic to one destination interface
+ # source and destination interfaces are IPv6 only
+ self.setup_interfaces(ipv6=[True, False], ipv4=[False, True])
+
+ # configure route to next segment
+ route = VppIpRoute(self, self.sid_list[self.test_sid_index + 1], 128,
+ [VppRoutePath(self.pg0.remote_ip6,
+ self.pg0.sw_if_index,
+ proto=DpoProto.DPO_PROTO_IP6)])
+ route.add_vpp_config()
+
+ # configure SRv6 localSID behavior
+ cli_str = "sr localsid address " + \
+ self.sid_list[self.test_sid_index] + \
+ " behavior end.ad" + \
+ " nh " + self.pg1.remote_ip4 + \
+ " oif " + self.pg1.name + \
+ " iif " + self.pg1.name
+ self.vapi.cli(cli_str)
+
+ # log the localsids
+ self.logger.debug(self.vapi.cli("show sr localsid"))
+
+ # send one packet per packet size
+ count = len(self.pg_packet_sizes)
+
+ # prepare IPv4 in SRv6 headers
+ packet_header1 = self.create_packet_header_IPv6_SRH_IPv4(
+ srcaddr=self.src_addr,
+ sidlist=self.sid_list[::-1],
+ segleft=len(self.sid_list) - self.test_sid_index - 1)
+
+ # generate packets (pg0->pg1)
+ pkts1 = self.create_stream(self.pg0, self.pg1, packet_header1,
+ self.pg_packet_sizes, count)
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg0, pkts1, self.pg1,
+ self.compare_rx_tx_packet_End_AD_IPv4_out)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # prepare IPv6 header for returning packets
+ packet_header2 = self.create_packet_header_IPv4()
+
+ # generate returning packets (pg1->pg0)
+ pkts2 = self.create_stream(self.pg1, self.pg0, packet_header2,
+ self.pg_packet_sizes, count)
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg1, pkts2, self.pg0,
+ self.compare_rx_tx_packet_End_AD_IPv4_in)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # remove SRv6 localSIDs
+ cli_str = "sr localsid del address " + \
+ self.sid_list[self.test_sid_index]
+ self.vapi.cli(cli_str)
+
+ # cleanup interfaces
+ self.teardown_interfaces()
+
+ def compare_rx_tx_packet_End_AD_IPv4_out(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing End.AD with IPv4
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+
+ # get IPv4 header of rx'ed packet
+ rx_ip = rx_pkt.getlayer(IP)
+
+ tx_ip = tx_pkt.getlayer(IPv6)
+ tx_ip2 = tx_pkt.getlayer(IP)
+
+ # verify if rx'ed packet has no SRH
+ self.assertFalse(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+
+ # the whole rx_ip pkt should be equal to tx_ip2
+ # except for the ttl field and ip checksum
+ # -> adjust tx'ed ttl to expected ttl
+ tx_ip2.ttl = tx_ip2.ttl - 1
+ # -> set tx'ed ip checksum to None and let scapy recompute
+ tx_ip2.chksum = None
+ # read back the pkt (with str()) to force computing these fields
+ # probably other ways to accomplish this are possible
+ tx_ip2 = IP(scapy.compat.raw(tx_ip2))
+
+ self.assertEqual(rx_ip, tx_ip2)
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def compare_rx_tx_packet_End_AD_IPv4_in(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing End.AD
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+
+ # get first (outer) IPv6 header of rx'ed packet
+ rx_ip = rx_pkt.getlayer(IPv6)
+ # received ip.src should be equal to SR Policy source
+ self.assertEqual(rx_ip.src, self.src_addr)
+ # received ip.dst should be equal to expected sidlist next segment
+ self.assertEqual(rx_ip.dst, self.sid_list[self.test_sid_index + 1])
+
+ # rx'ed packet should have SRH
+ self.assertTrue(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+
+ # get SRH
+ rx_srh = rx_pkt.getlayer(IPv6ExtHdrSegmentRouting)
+ # rx'ed seglist should be equal to SID-list in reversed order
+ self.assertEqual(rx_srh.addresses, self.sid_list[::-1])
+ # segleft should be equal to previous segleft value minus 1
+ self.assertEqual(rx_srh.segleft,
+ len(self.sid_list) - self.test_sid_index - 2)
+ # lastentry should be equal to the SID-list length minus 1
+ self.assertEqual(rx_srh.lastentry, len(self.sid_list) - 1)
+
+ # the whole rx'ed pkt beyond SRH should be equal to tx'ed pkt
+ # except for the ttl field and ip checksum
+ tx_ip = tx_pkt.getlayer(IP)
+ # -> adjust tx'ed ttl to expected ttl
+ tx_ip.ttl = tx_ip.ttl - 1
+ # -> set tx'ed ip checksum to None and let scapy recompute
+ tx_ip.chksum = None
+ # -> read back the pkt (with str()) to force computing these fields
+ # probably other ways to accomplish this are possible
+ self.assertEqual(rx_srh.payload, IP(scapy.compat.raw(tx_ip)))
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def test_SRv6_End_AD_L2(self):
+ """ Test SRv6 End.AD behavior with L2 traffic.
+ """
+ self.src_addr = 'a0::'
+ self.sid_list = ['a1::', 'a2::a4', 'a3::']
+ self.test_sid_index = 1
+
+ # send traffic to one destination interface
+ # source and destination interfaces are IPv6 only
+ self.setup_interfaces(ipv6=[True, False])
+
+ # configure route to next segment
+ route = VppIpRoute(self, self.sid_list[self.test_sid_index + 1], 128,
+ [VppRoutePath(self.pg0.remote_ip6,
+ self.pg0.sw_if_index,
+ proto=DpoProto.DPO_PROTO_IP6)])
+ route.add_vpp_config()
+
+ # configure SRv6 localSID behavior
+ cli_str = "sr localsid address " + \
+ self.sid_list[self.test_sid_index] + \
+ " behavior end.ad" + \
+ " oif " + self.pg1.name + \
+ " iif " + self.pg1.name
+ self.vapi.cli(cli_str)
+
+ # log the localsids
+ self.logger.debug(self.vapi.cli("show sr localsid"))
+
+ # send one packet per packet size
+ count = len(self.pg_packet_sizes)
+
+ # prepare L2 in SRv6 headers
+ packet_header1 = self.create_packet_header_IPv6_SRH_L2(
+ srcaddr=self.src_addr,
+ sidlist=self.sid_list[::-1],
+ segleft=len(self.sid_list) - self.test_sid_index - 1,
+ vlan=0)
+
+ # generate packets (pg0->pg1)
+ pkts1 = self.create_stream(self.pg0, self.pg1, packet_header1,
+ self.pg_packet_sizes, count)
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg0, pkts1, self.pg1,
+ self.compare_rx_tx_packet_End_AD_L2_out)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # prepare L2 header for returning packets
+ packet_header2 = self.create_packet_header_L2()
+
+ # generate returning packets (pg1->pg0)
+ pkts2 = self.create_stream(self.pg1, self.pg0, packet_header2,
+ self.pg_packet_sizes, count)
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg1, pkts2, self.pg0,
+ self.compare_rx_tx_packet_End_AD_L2_in)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # remove SRv6 localSIDs
+ cli_str = "sr localsid del address " + \
+ self.sid_list[self.test_sid_index]
+ self.vapi.cli(cli_str)
+
+ # cleanup interfaces
+ self.teardown_interfaces()
+
+ def compare_rx_tx_packet_End_AD_L2_out(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing End.AD with L2
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+
+ # get IPv4 header of rx'ed packet
+ rx_eth = rx_pkt.getlayer(Ether)
+
+ tx_ip = tx_pkt.getlayer(IPv6)
+ # we can't just get the 2nd Ether layer
+ # get the Raw content and dissect it as Ether
+ tx_eth1 = Ether(scapy.compat.raw(tx_pkt[Raw]))
+
+ # verify if rx'ed packet has no SRH
+ self.assertFalse(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+
+ # the whole rx_eth pkt should be equal to tx_eth1
+ self.assertEqual(rx_eth, tx_eth1)
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def compare_rx_tx_packet_End_AD_L2_in(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing End.AD
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+
+ ####
+ # get first (outer) IPv6 header of rx'ed packet
+ rx_ip = rx_pkt.getlayer(IPv6)
+ # received ip.src should be equal to SR Policy source
+ self.assertEqual(rx_ip.src, self.src_addr)
+ # received ip.dst should be equal to expected sidlist next segment
+ self.assertEqual(rx_ip.dst, self.sid_list[self.test_sid_index + 1])
+
+ # rx'ed packet should have SRH
+ self.assertTrue(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+
+ # get SRH
+ rx_srh = rx_pkt.getlayer(IPv6ExtHdrSegmentRouting)
+ # rx'ed seglist should be equal to SID-list in reversed order
+ self.assertEqual(rx_srh.addresses, self.sid_list[::-1])
+ # segleft should be equal to previous segleft value minus 1
+ self.assertEqual(rx_srh.segleft,
+ len(self.sid_list) - self.test_sid_index - 2)
+ # lastentry should be equal to the SID-list length minus 1
+ self.assertEqual(rx_srh.lastentry, len(self.sid_list) - 1)
+
+ # the whole rx'ed pkt beyond SRH should be equal to tx'ed pkt
+ tx_ether = tx_pkt.getlayer(Ether)
+ self.assertEqual(Ether(scapy.compat.raw(rx_srh.payload)), tx_ether)
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def create_stream(self, src_if, dst_if, packet_header, packet_sizes,
+ count):
+ """Create SRv6 input packet stream for defined interface.
+
+ :param VppInterface src_if: Interface to create packet stream for
+ :param VppInterface dst_if: destination interface of packet stream
+ :param packet_header: Layer3 scapy packet headers,
+ L2 is added when not provided,
+ Raw(payload) with packet_info is added
+ :param list packet_sizes: packet stream pckt sizes,sequentially applied
+ to packets in stream have
+ :param int count: number of packets in packet stream
+ :return: list of packets
+ """
+ self.logger.info("Creating packets")
+ pkts = []
+ for i in range(0, count - 1):
+ payload_info = self.create_packet_info(src_if, dst_if)
+ self.logger.debug(
+ "Creating packet with index %d" % (payload_info.index))
+ payload = self.info_to_payload(payload_info)
+ # add L2 header if not yet provided in packet_header
+ if packet_header.getlayer(0).name == 'Ethernet':
+ p = packet_header / Raw(payload)
+ else:
+ p = Ether(dst=src_if.local_mac, src=src_if.remote_mac) / \
+ packet_header / Raw(payload)
+ size = packet_sizes[i % len(packet_sizes)]
+ self.logger.debug("Packet size %d" % (size))
+ self.extend_packet(p, size)
+ # we need to store the packet with the automatic fields computed
+ # read back the dumped packet (with str())
+ # to force computing these fields
+ # probably other ways are possible
+ p = Ether(scapy.compat.raw(p))
+ payload_info.data = p.copy()
+ self.logger.debug(ppp("Created packet:", p))
+ pkts.append(p)
+ self.logger.info("Done creating packets")
+ return pkts
+
+ def send_and_verify_pkts(self, input, pkts, output, compare_func):
+ """Send packets and verify received packets using compare_func
+
+ :param input: ingress interface of DUT
+ :param pkts: list of packets to transmit
+ :param output: egress interface of DUT
+ :param compare_func: function to compare in and out packets
+ """
+ # add traffic stream to input interface
+ input.add_stream(pkts)
+
+ # enable capture on all interfaces
+ self.pg_enable_capture(self.pg_interfaces)
+
+ # start traffic
+ self.logger.info("Starting traffic")
+ self.pg_start()
+
+ # get output capture
+ self.logger.info("Getting packet capture")
+ capture = output.get_capture()
+
+ # assert nothing was captured on input interface
+ # input.assert_nothing_captured()
+
+ # verify captured packets
+ self.verify_captured_pkts(output, capture, compare_func)
+
+ def create_packet_header_IPv6(self):
+ """Create packet header: IPv6 header, UDP header
+
+ :param dst: IPv6 destination address
+
+ IPv6 source address is 1234::1
+ IPv6 destination address is 4321::1
+ UDP source port and destination port are 1234
+ """
+
+ p = IPv6(src='1234::1', dst='4321::1') / UDP(sport=1234, dport=1234)
+ return p
+
+ def create_packet_header_IPv6_SRH_IPv6(self, srcaddr, sidlist, segleft):
+ """Create packet header: IPv6 encapsulated in SRv6:
+ IPv6 header with SRH, IPv6 header, UDP header
+
+ :param int srcaddr: outer source address
+ :param list sidlist: segment list of outer IPv6 SRH
+ :param int segleft: segments-left field of outer IPv6 SRH
+
+ Outer IPv6 source address is set to srcaddr
+ Outer IPv6 destination address is set to sidlist[segleft]
+ Inner IPv6 source addresses is 1234::1
+ Inner IPv6 destination address is 4321::1
+ UDP source port and destination port are 1234
+ """
+
+ p = IPv6(src=srcaddr, dst=sidlist[segleft]) / \
+ IPv6ExtHdrSegmentRouting(addresses=sidlist,
+ segleft=segleft, nh=41) / \
+ IPv6(src='1234::1', dst='4321::1') / \
+ UDP(sport=1234, dport=1234)
+ return p
+
+ def create_packet_header_IPv4(self):
+ """Create packet header: IPv4 header, UDP header
+
+ :param dst: IPv4 destination address
+
+ IPv4 source address is 123.1.1.1
+ IPv4 destination address is 124.1.1.1
+ UDP source port and destination port are 1234
+ """
+
+ p = IP(src='123.1.1.1', dst='124.1.1.1') / UDP(sport=1234, dport=1234)
+ return p
+
+ def create_packet_header_IPv6_SRH_IPv4(self, srcaddr, sidlist, segleft):
+ """Create packet header: IPv4 encapsulated in SRv6:
+ IPv6 header with SRH, IPv4 header, UDP header
+
+ :param int srcaddr: outer source address
+ :param list sidlist: segment list of outer IPv6 SRH
+ :param int segleft: segments-left field of outer IPv6 SRH
+
+ Outer IPv6 source address is set to srcaddr
+ Outer IPv6 destination address is set to sidlist[segleft]
+ Inner IPv4 source address is 123.1.1.1
+ Inner IPv4 destination address is 124.1.1.1
+ UDP source port and destination port are 1234
+ """
+
+ p = IPv6(src=srcaddr, dst=sidlist[segleft]) / \
+ IPv6ExtHdrSegmentRouting(addresses=sidlist,
+ segleft=segleft, nh=4) / \
+ IP(src='123.1.1.1', dst='124.1.1.1') / \
+ UDP(sport=1234, dport=1234)
+ return p
+
+ def create_packet_header_L2(self, vlan=0):
+ """Create packet header: L2 header
+
+ :param vlan: if vlan!=0 then add 802.1q header
+ """
+ # Note: the dst addr ('00:55:44:33:22:11') is used in
+ # the compare function compare_rx_tx_packet_T_Encaps_L2
+ # to detect presence of L2 in SRH payload
+ p = Ether(src='00:11:22:33:44:55', dst='00:55:44:33:22:11')
+ etype = 0x8137 # IPX
+ if vlan:
+ # add 802.1q layer
+ p /= Dot1Q(vlan=vlan, type=etype)
+ else:
+ p.type = etype
+ return p
+
+ def create_packet_header_IPv6_SRH_L2(self, srcaddr, sidlist, segleft,
+ vlan=0):
+ """Create packet header: L2 encapsulated in SRv6:
+ IPv6 header with SRH, L2
+
+ :param int srcaddr: IPv6 source address
+ :param list sidlist: segment list of outer IPv6 SRH
+ :param int segleft: segments-left field of outer IPv6 SRH
+ :param vlan: L2 vlan; if vlan!=0 then add 802.1q header
+
+ IPv6 source address is set to srcaddr
+ IPv6 destination address is set to sidlist[segleft]
+ """
+ eth = Ether(src='00:11:22:33:44:55', dst='00:55:44:33:22:11')
+ etype = 0x8137 # IPX
+ if vlan:
+ # add 802.1q layer
+ eth /= Dot1Q(vlan=vlan, type=etype)
+ else:
+ eth.type = etype
+
+ p = IPv6(src=srcaddr, dst=sidlist[segleft]) / \
+ IPv6ExtHdrSegmentRouting(addresses=sidlist,
+ segleft=segleft, nh=59) / \
+ eth
+ return p
+
+ def get_payload_info(self, packet):
+ """ Extract the payload_info from the packet
+ """
+ # in most cases, payload_info is in packet[Raw]
+ # but packet[Raw] gives the complete payload
+ # (incl L2 header) for the T.Encaps L2 case
+ try:
+ payload_info = self.payload_to_info(packet[Raw])
+
+ except:
+ # remote L2 header from packet[Raw]:
+ # take packet[Raw], convert it to an Ether layer
+ # and then extract Raw from it
+ payload_info = self.payload_to_info(
+ Ether(scapy.compat.raw(packet[Raw]))[Raw])
+
+ return payload_info
+
+ def verify_captured_pkts(self, dst_if, capture, compare_func):
+ """
+ Verify captured packet stream for specified interface.
+ Compare ingress with egress packets using the specified compare fn
+
+ :param dst_if: egress interface of DUT
+ :param capture: captured packets
+ :param compare_func: function to compare in and out packet
+ """
+ self.logger.info("Verifying capture on interface %s using function %s"
+ % (dst_if.name, compare_func.__name__))
+
+ last_info = dict()
+ for i in self.pg_interfaces:
+ last_info[i.sw_if_index] = None
+ dst_sw_if_index = dst_if.sw_if_index
+
+ for packet in capture:
+ try:
+ # extract payload_info from packet's payload
+ payload_info = self.get_payload_info(packet)
+ packet_index = payload_info.index
+
+ self.logger.debug("Verifying packet with index %d"
+ % (packet_index))
+ # packet should have arrived on the expected interface
+ self.assertEqual(payload_info.dst, dst_sw_if_index)
+ self.logger.debug(
+ "Got packet on interface %s: src=%u (idx=%u)" %
+ (dst_if.name, payload_info.src, packet_index))
+
+ # search for payload_info with same src and dst if_index
+ # this will give us the transmitted packet
+ next_info = self.get_next_packet_info_for_interface2(
+ payload_info.src, dst_sw_if_index,
+ last_info[payload_info.src])
+ last_info[payload_info.src] = next_info
+ # next_info should not be None
+ self.assertTrue(next_info is not None)
+ # index of tx and rx packets should be equal
+ self.assertEqual(packet_index, next_info.index)
+ # data field of next_info contains the tx packet
+ txed_packet = next_info.data
+
+ self.logger.debug(ppp("Transmitted packet:",
+ txed_packet)) # ppp=Pretty Print Packet
+
+ self.logger.debug(ppp("Received packet:", packet))
+
+ # compare rcvd packet with expected packet using compare_func
+ compare_func(txed_packet, packet)
+
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ # have all expected packets arrived?
+ for i in self.pg_interfaces:
+ remaining_packet = self.get_next_packet_info_for_interface2(
+ i.sw_if_index, dst_sw_if_index, last_info[i.sw_if_index])
+ self.assertTrue(remaining_packet is None,
+ "Interface %s: Packet expected from interface %s "
+ "didn't arrive" % (dst_if.name, i.name))
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/src/plugins/srv6-ad/test/vpp_srv6.py b/src/plugins/srv6-ad/test/vpp_srv6.py
new file mode 100644
index 00000000000..b6dbc014207
--- /dev/null
+++ b/src/plugins/srv6-ad/test/vpp_srv6.py
@@ -0,0 +1,222 @@
+"""
+ SRv6 LocalSIDs
+
+ object abstractions for representing SRv6 localSIDs in VPP
+"""
+
+from vpp_object import VppObject
+from socket import inet_pton, inet_ntop, AF_INET, AF_INET6
+
+
+class SRv6LocalSIDBehaviors():
+ # from src/vnet/srv6/sr.h
+ SR_BEHAVIOR_END = 1
+ SR_BEHAVIOR_X = 2
+ SR_BEHAVIOR_T = 3
+ SR_BEHAVIOR_D_FIRST = 4 # Unused. Separator in between regular and D
+ SR_BEHAVIOR_DX2 = 5
+ SR_BEHAVIOR_DX6 = 6
+ SR_BEHAVIOR_DX4 = 7
+ SR_BEHAVIOR_DT6 = 8
+ SR_BEHAVIOR_DT4 = 9
+ SR_BEHAVIOR_LAST = 10 # Must always be the last one
+
+
+class SRv6PolicyType():
+ # from src/vnet/srv6/sr.h
+ SR_POLICY_TYPE_DEFAULT = 0
+ SR_POLICY_TYPE_SPRAY = 1
+
+
+class SRv6PolicySteeringTypes():
+ # from src/vnet/srv6/sr.h
+ SR_STEER_L2 = 2
+ SR_STEER_IPV4 = 4
+ SR_STEER_IPV6 = 6
+
+
+class VppSRv6LocalSID(VppObject):
+ """
+ SRv6 LocalSID
+ """
+
+ def __init__(self, test, localsid, behavior, nh_addr4, nh_addr6,
+ end_psp, sw_if_index, vlan_index, fib_table):
+ self._test = test
+ self.localsid = localsid
+ # keep binary format in _localsid
+ self.localsid["addr"] = inet_pton(AF_INET6, self.localsid["addr"])
+ self.behavior = behavior
+ self.nh_addr4 = inet_pton(AF_INET, nh_addr4)
+ self.nh_addr6 = inet_pton(AF_INET6, nh_addr6)
+ self.end_psp = end_psp
+ self.sw_if_index = sw_if_index
+ self.vlan_index = vlan_index
+ self.fib_table = fib_table
+ self._configured = False
+
+ def add_vpp_config(self):
+ self._test.vapi.sr_localsid_add_del(
+ self.localsid,
+ self.behavior,
+ self.nh_addr4,
+ self.nh_addr6,
+ is_del=0,
+ end_psp=self.end_psp,
+ sw_if_index=self.sw_if_index,
+ vlan_index=self.vlan_index,
+ fib_table=self.fib_table)
+ self._configured = True
+
+ def remove_vpp_config(self):
+ self._test.vapi.sr_localsid_add_del(
+ self.localsid,
+ self.behavior,
+ self.nh_addr4,
+ self.nh_addr6,
+ is_del=1,
+ end_psp=self.end_psp,
+ sw_if_index=self.sw_if_index,
+ vlan_index=self.vlan_index,
+ fib_table=self.fib_table)
+ self._configured = False
+
+ def query_vpp_config(self):
+ # sr_localsids_dump API is disabled
+ # use _configured flag for now
+ return self._configured
+
+ def object_id(self):
+ return ("%d;%s,%d"
+ % (self.fib_table,
+ self.localsid,
+ self.behavior))
+
+
+class VppSRv6Policy(VppObject):
+ """
+ SRv6 Policy
+ """
+
+ def __init__(self, test, bsid,
+ is_encap, sr_type, weight, fib_table,
+ segments, source):
+ self._test = test
+ self.bsid = bsid
+ # keep binary format in _bsid
+ self._bsid = inet_pton(AF_INET6, bsid)
+ self.is_encap = is_encap
+ self.sr_type = sr_type
+ self.weight = weight
+ self.fib_table = fib_table
+ self.segments = segments
+ # keep binary format in _segments
+ self._segments = []
+ for seg in segments:
+ self._segments.extend(inet_pton(AF_INET6, seg))
+ self.n_segments = len(segments)
+ # source not passed to API
+ # self.source = inet_pton(AF_INET6, source)
+ self.source = source
+ self._configured = False
+
+ def add_vpp_config(self):
+ self._test.vapi.sr_policy_add(
+ self._bsid,
+ self.weight,
+ self.is_encap,
+ self.sr_type,
+ self.fib_table,
+ self.n_segments,
+ self._segments)
+ self._configured = True
+
+ def remove_vpp_config(self):
+ self._test.vapi.sr_policy_del(
+ self._bsid)
+ self._configured = False
+
+ def query_vpp_config(self):
+ # no API to query SR Policies
+ # use _configured flag for now
+ return self._configured
+
+ def object_id(self):
+ return ("%d;%s-><%s>;%d"
+ % (self.sr_type,
+ self.bsid,
+ ','.join(self.segments),
+ self.is_encap))
+
+
+class VppSRv6Steering(VppObject):
+ """
+ SRv6 Steering
+ """
+
+ def __init__(self, test,
+ bsid,
+ prefix,
+ mask_width,
+ traffic_type,
+ sr_policy_index,
+ table_id,
+ sw_if_index):
+ self._test = test
+ self.bsid = bsid
+ # keep binary format in _bsid
+ self._bsid = inet_pton(AF_INET6, bsid)
+ self.prefix = prefix
+ # keep binary format in _prefix
+ if ':' in prefix:
+ # IPv6
+ self._prefix = inet_pton(AF_INET6, prefix)
+ else:
+ # IPv4
+ # API expects 16 octets (128 bits)
+ # last 4 octets are used for IPv4
+ # --> prepend 12 octets
+ self._prefix = ('\x00' * 12) + inet_pton(AF_INET, prefix)
+ self.mask_width = mask_width
+ self.traffic_type = traffic_type
+ self.sr_policy_index = sr_policy_index
+ self.sw_if_index = sw_if_index
+ self.table_id = table_id
+ self._configured = False
+
+ def add_vpp_config(self):
+ self._test.vapi.sr_steering_add_del(
+ 0,
+ self._bsid,
+ self.sr_policy_index,
+ self.table_id,
+ self._prefix,
+ self.mask_width,
+ self.sw_if_index,
+ self.traffic_type)
+ self._configured = True
+
+ def remove_vpp_config(self):
+ self._test.vapi.sr_steering_add_del(
+ 1,
+ self._bsid,
+ self.sr_policy_index,
+ self.table_id,
+ self._prefix,
+ self.mask_width,
+ self.sw_if_index,
+ self.traffic_type)
+ self._configured = False
+
+ def query_vpp_config(self):
+ # no API to query steering entries
+ # use _configured flag for now
+ return self._configured
+
+ def object_id(self):
+ return ("%d;%d;%s/%d->%s"
+ % (self.table_id,
+ self.traffic_type,
+ self.prefix,
+ self.mask_width,
+ self.bsid))
diff --git a/src/plugins/srv6-am/test/test_srv6.py b/src/plugins/srv6-am/test/test_srv6.py
new file mode 100644
index 00000000000..b3e69724028
--- /dev/null
+++ b/src/plugins/srv6-am/test/test_srv6.py
@@ -0,0 +1,2141 @@
+#!/usr/bin/env python
+
+import unittest
+import binascii
+from socket import AF_INET6
+
+from framework import VppTestCase, VppTestRunner
+from vpp_ip_route import VppIpRoute, VppRoutePath, FibPathProto, VppIpTable
+from vpp_srv6 import SRv6LocalSIDBehaviors, VppSRv6LocalSID, VppSRv6Policy, \
+ SRv6PolicyType, VppSRv6Steering, SRv6PolicySteeringTypes
+
+import scapy.compat
+from scapy.packet import Raw
+from scapy.layers.l2 import Ether, Dot1Q
+from scapy.layers.inet6 import IPv6, UDP, IPv6ExtHdrSegmentRouting
+from scapy.layers.inet import IP, UDP
+
+from scapy.utils import inet_pton, inet_ntop
+
+from util import ppp
+
+
+class TestSRv6(VppTestCase):
+ """ SRv6 Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestSRv6, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestSRv6, cls).tearDownClass()
+
+ def setUp(self):
+ """ Perform test setup before each test case.
+ """
+ super(TestSRv6, self).setUp()
+
+ # packet sizes, inclusive L2 overhead
+ self.pg_packet_sizes = [64, 512, 1518, 9018]
+
+ # reset packet_infos
+ self.reset_packet_infos()
+
+ def tearDown(self):
+ """ Clean up test setup after each test case.
+ """
+ self.teardown_interfaces()
+
+ super(TestSRv6, self).tearDown()
+
+ def configure_interface(self,
+ interface,
+ ipv6=False, ipv4=False,
+ ipv6_table_id=0, ipv4_table_id=0):
+ """ Configure interface.
+ :param ipv6: configure IPv6 on interface
+ :param ipv4: configure IPv4 on interface
+ :param ipv6_table_id: FIB table_id for IPv6
+ :param ipv4_table_id: FIB table_id for IPv4
+ """
+ self.logger.debug("Configuring interface %s" % (interface.name))
+ if ipv6:
+ self.logger.debug("Configuring IPv6")
+ interface.set_table_ip6(ipv6_table_id)
+ interface.config_ip6()
+ interface.resolve_ndp(timeout=5)
+ if ipv4:
+ self.logger.debug("Configuring IPv4")
+ interface.set_table_ip4(ipv4_table_id)
+ interface.config_ip4()
+ interface.resolve_arp()
+ interface.admin_up()
+
+ def setup_interfaces(self, ipv6=[], ipv4=[],
+ ipv6_table_id=[], ipv4_table_id=[]):
+ """ Create and configure interfaces.
+
+ :param ipv6: list of interface IPv6 capabilities
+ :param ipv4: list of interface IPv4 capabilities
+ :param ipv6_table_id: list of intf IPv6 FIB table_ids
+ :param ipv4_table_id: list of intf IPv4 FIB table_ids
+ :returns: List of created interfaces.
+ """
+ # how many interfaces?
+ if len(ipv6):
+ count = len(ipv6)
+ else:
+ count = len(ipv4)
+ self.logger.debug("Creating and configuring %d interfaces" % (count))
+
+ # fill up ipv6 and ipv4 lists if needed
+ # not enabled (False) is the default
+ if len(ipv6) < count:
+ ipv6 += (count - len(ipv6)) * [False]
+ if len(ipv4) < count:
+ ipv4 += (count - len(ipv4)) * [False]
+
+ # fill up table_id lists if needed
+ # table_id 0 (global) is the default
+ if len(ipv6_table_id) < count:
+ ipv6_table_id += (count - len(ipv6_table_id)) * [0]
+ if len(ipv4_table_id) < count:
+ ipv4_table_id += (count - len(ipv4_table_id)) * [0]
+
+ # create 'count' pg interfaces
+ self.create_pg_interfaces(range(count))
+
+ # setup all interfaces
+ for i in range(count):
+ intf = self.pg_interfaces[i]
+ self.configure_interface(intf,
+ ipv6[i], ipv4[i],
+ ipv6_table_id[i], ipv4_table_id[i])
+
+ if any(ipv6):
+ self.logger.debug(self.vapi.cli("show ip6 neighbors"))
+ if any(ipv4):
+ self.logger.debug(self.vapi.cli("show ip arp"))
+ self.logger.debug(self.vapi.cli("show interface"))
+ self.logger.debug(self.vapi.cli("show hardware"))
+
+ return self.pg_interfaces
+
+ def teardown_interfaces(self):
+ """ Unconfigure and bring down interface.
+ """
+ self.logger.debug("Tearing down interfaces")
+ # tear down all interfaces
+ # AFAIK they cannot be deleted
+ for i in self.pg_interfaces:
+ self.logger.debug("Tear down interface %s" % (i.name))
+ i.admin_down()
+ i.unconfig()
+ i.set_table_ip4(0)
+ i.set_table_ip6(0)
+
+ @unittest.skipUnless(0, "PC to fix")
+ def test_SRv6_T_Encaps(self):
+ """ Test SRv6 Transit.Encaps behavior for IPv6.
+ """
+ # send traffic to one destination interface
+ # source and destination are IPv6 only
+ self.setup_interfaces(ipv6=[True, True])
+
+ # configure FIB entries
+ route = VppIpRoute(self, "a4::", 64,
+ [VppRoutePath(self.pg1.remote_ip6,
+ self.pg1.sw_if_index)])
+ route.add_vpp_config()
+
+ # configure encaps IPv6 source address
+ # needs to be done before SR Policy config
+ # TODO: API?
+ self.vapi.cli("set sr encaps source addr a3::")
+
+ bsid = 'a3::9999:1'
+ # configure SRv6 Policy
+ # Note: segment list order: first -> last
+ sr_policy = VppSRv6Policy(
+ self, bsid=bsid,
+ is_encap=1,
+ sr_type=SRv6PolicyType.SR_POLICY_TYPE_DEFAULT,
+ weight=1, fib_table=0,
+ segments=['a4::', 'a5::', 'a6::c7'],
+ source='a3::')
+ sr_policy.add_vpp_config()
+ self.sr_policy = sr_policy
+
+ # log the sr policies
+ self.logger.info(self.vapi.cli("show sr policies"))
+
+ # steer IPv6 traffic to a7::/64 into SRv6 Policy
+ # use the bsid of the above self.sr_policy
+ pol_steering = VppSRv6Steering(
+ self,
+ bsid=self.sr_policy.bsid,
+ prefix="a7::", mask_width=64,
+ traffic_type=SRv6PolicySteeringTypes.SR_STEER_IPV6,
+ sr_policy_index=0, table_id=0,
+ sw_if_index=0)
+ pol_steering.add_vpp_config()
+
+ # log the sr steering policies
+ self.logger.info(self.vapi.cli("show sr steering policies"))
+
+ # create packets
+ count = len(self.pg_packet_sizes)
+ dst_inner = 'a7::1234'
+ pkts = []
+
+ # create IPv6 packets without SRH
+ packet_header = self.create_packet_header_IPv6(dst_inner)
+ # create traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # create IPv6 packets with SRH
+ # packets with segments-left 1, active segment a7::
+ packet_header = self.create_packet_header_IPv6_SRH(
+ sidlist=['a8::', 'a7::', 'a6::'],
+ segleft=1)
+ # create traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # create IPv6 packets with SRH and IPv6
+ # packets with segments-left 1, active segment a7::
+ packet_header = self.create_packet_header_IPv6_SRH_IPv6(
+ dst_inner,
+ sidlist=['a8::', 'a7::', 'a6::'],
+ segleft=1)
+ # create traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
+ self.compare_rx_tx_packet_T_Encaps)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # remove SR steering
+ pol_steering.remove_vpp_config()
+ self.logger.info(self.vapi.cli("show sr steering policies"))
+
+ # remove SR Policies
+ self.sr_policy.remove_vpp_config()
+ self.logger.info(self.vapi.cli("show sr policies"))
+
+ # remove FIB entries
+ # done by tearDown
+
+ # cleanup interfaces
+ self.teardown_interfaces()
+
+ @unittest.skipUnless(0, "PC to fix")
+ def test_SRv6_T_Insert(self):
+ """ Test SRv6 Transit.Insert behavior (IPv6 only).
+ """
+ # send traffic to one destination interface
+ # source and destination are IPv6 only
+ self.setup_interfaces(ipv6=[True, True])
+
+ # configure FIB entries
+ route = VppIpRoute(self, "a4::", 64,
+ [VppRoutePath(self.pg1.remote_ip6,
+ self.pg1.sw_if_index)])
+ route.add_vpp_config()
+
+ # configure encaps IPv6 source address
+ # needs to be done before SR Policy config
+ # TODO: API?
+ self.vapi.cli("set sr encaps source addr a3::")
+
+ bsid = 'a3::9999:1'
+ # configure SRv6 Policy
+ # Note: segment list order: first -> last
+ sr_policy = VppSRv6Policy(
+ self, bsid=bsid,
+ is_encap=0,
+ sr_type=SRv6PolicyType.SR_POLICY_TYPE_DEFAULT,
+ weight=1, fib_table=0,
+ segments=['a4::', 'a5::', 'a6::c7'],
+ source='a3::')
+ sr_policy.add_vpp_config()
+ self.sr_policy = sr_policy
+
+ # log the sr policies
+ self.logger.info(self.vapi.cli("show sr policies"))
+
+ # steer IPv6 traffic to a7::/64 into SRv6 Policy
+ # use the bsid of the above self.sr_policy
+ pol_steering = VppSRv6Steering(
+ self,
+ bsid=self.sr_policy.bsid,
+ prefix="a7::", mask_width=64,
+ traffic_type=SRv6PolicySteeringTypes.SR_STEER_IPV6,
+ sr_policy_index=0, table_id=0,
+ sw_if_index=0)
+ pol_steering.add_vpp_config()
+
+ # log the sr steering policies
+ self.logger.info(self.vapi.cli("show sr steering policies"))
+
+ # create packets
+ count = len(self.pg_packet_sizes)
+ dst_inner = 'a7::1234'
+ pkts = []
+
+ # create IPv6 packets without SRH
+ packet_header = self.create_packet_header_IPv6(dst_inner)
+ # create traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # create IPv6 packets with SRH
+ # packets with segments-left 1, active segment a7::
+ packet_header = self.create_packet_header_IPv6_SRH(
+ sidlist=['a8::', 'a7::', 'a6::'],
+ segleft=1)
+ # create traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
+ self.compare_rx_tx_packet_T_Insert)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # remove SR steering
+ pol_steering.remove_vpp_config()
+ self.logger.info(self.vapi.cli("show sr steering policies"))
+
+ # remove SR Policies
+ self.sr_policy.remove_vpp_config()
+ self.logger.info(self.vapi.cli("show sr policies"))
+
+ # remove FIB entries
+ # done by tearDown
+
+ # cleanup interfaces
+ self.teardown_interfaces()
+
+ @unittest.skipUnless(0, "PC to fix")
+ def test_SRv6_T_Encaps_IPv4(self):
+ """ Test SRv6 Transit.Encaps behavior for IPv4.
+ """
+ # send traffic to one destination interface
+ # source interface is IPv4 only
+ # destination interface is IPv6 only
+ self.setup_interfaces(ipv6=[False, True], ipv4=[True, False])
+
+ # configure FIB entries
+ route = VppIpRoute(self, "a4::", 64,
+ [VppRoutePath(self.pg1.remote_ip6,
+ self.pg1.sw_if_index)])
+ route.add_vpp_config()
+
+ # configure encaps IPv6 source address
+ # needs to be done before SR Policy config
+ # TODO: API?
+ self.vapi.cli("set sr encaps source addr a3::")
+
+ bsid = 'a3::9999:1'
+ # configure SRv6 Policy
+ # Note: segment list order: first -> last
+ sr_policy = VppSRv6Policy(
+ self, bsid=bsid,
+ is_encap=1,
+ sr_type=SRv6PolicyType.SR_POLICY_TYPE_DEFAULT,
+ weight=1, fib_table=0,
+ segments=['a4::', 'a5::', 'a6::c7'],
+ source='a3::')
+ sr_policy.add_vpp_config()
+ self.sr_policy = sr_policy
+
+ # log the sr policies
+ self.logger.info(self.vapi.cli("show sr policies"))
+
+ # steer IPv4 traffic to 7.1.1.0/24 into SRv6 Policy
+ # use the bsid of the above self.sr_policy
+ pol_steering = VppSRv6Steering(
+ self,
+ bsid=self.sr_policy.bsid,
+ prefix="7.1.1.0", mask_width=24,
+ traffic_type=SRv6PolicySteeringTypes.SR_STEER_IPV4,
+ sr_policy_index=0, table_id=0,
+ sw_if_index=0)
+ pol_steering.add_vpp_config()
+
+ # log the sr steering policies
+ self.logger.info(self.vapi.cli("show sr steering policies"))
+
+ # create packets
+ count = len(self.pg_packet_sizes)
+ dst_inner = '7.1.1.123'
+ pkts = []
+
+ # create IPv4 packets
+ packet_header = self.create_packet_header_IPv4(dst_inner)
+ # create traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
+ self.compare_rx_tx_packet_T_Encaps_IPv4)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # remove SR steering
+ pol_steering.remove_vpp_config()
+ self.logger.info(self.vapi.cli("show sr steering policies"))
+
+ # remove SR Policies
+ self.sr_policy.remove_vpp_config()
+ self.logger.info(self.vapi.cli("show sr policies"))
+
+ # remove FIB entries
+ # done by tearDown
+
+ # cleanup interfaces
+ self.teardown_interfaces()
+
+ @unittest.skip("VPP crashes after running this test")
+ def test_SRv6_T_Encaps_L2(self):
+ """ Test SRv6 Transit.Encaps behavior for L2.
+ """
+ # send traffic to one destination interface
+ # source interface is IPv4 only TODO?
+ # destination interface is IPv6 only
+ self.setup_interfaces(ipv6=[False, True], ipv4=[False, False])
+
+ # configure FIB entries
+ route = VppIpRoute(self, "a4::", 64,
+ [VppRoutePath(self.pg1.remote_ip6,
+ self.pg1.sw_if_index)])
+ route.add_vpp_config()
+
+ # configure encaps IPv6 source address
+ # needs to be done before SR Policy config
+ # TODO: API?
+ self.vapi.cli("set sr encaps source addr a3::")
+
+ bsid = 'a3::9999:1'
+ # configure SRv6 Policy
+ # Note: segment list order: first -> last
+ sr_policy = VppSRv6Policy(
+ self, bsid=bsid,
+ is_encap=1,
+ sr_type=SRv6PolicyType.SR_POLICY_TYPE_DEFAULT,
+ weight=1, fib_table=0,
+ segments=['a4::', 'a5::', 'a6::c7'],
+ source='a3::')
+ sr_policy.add_vpp_config()
+ self.sr_policy = sr_policy
+
+ # log the sr policies
+ self.logger.info(self.vapi.cli("show sr policies"))
+
+ # steer L2 traffic into SRv6 Policy
+ # use the bsid of the above self.sr_policy
+ pol_steering = VppSRv6Steering(
+ self,
+ bsid=self.sr_policy.bsid,
+ prefix="::", mask_width=0,
+ traffic_type=SRv6PolicySteeringTypes.SR_STEER_L2,
+ sr_policy_index=0, table_id=0,
+ sw_if_index=self.pg0.sw_if_index)
+ pol_steering.add_vpp_config()
+
+ # log the sr steering policies
+ self.logger.info(self.vapi.cli("show sr steering policies"))
+
+ # create packets
+ count = len(self.pg_packet_sizes)
+ pkts = []
+
+ # create L2 packets without dot1q header
+ packet_header = self.create_packet_header_L2()
+ # create traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # create L2 packets with dot1q header
+ packet_header = self.create_packet_header_L2(vlan=123)
+ # create traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
+ self.compare_rx_tx_packet_T_Encaps_L2)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # remove SR steering
+ pol_steering.remove_vpp_config()
+ self.logger.info(self.vapi.cli("show sr steering policies"))
+
+ # remove SR Policies
+ self.sr_policy.remove_vpp_config()
+ self.logger.info(self.vapi.cli("show sr policies"))
+
+ # remove FIB entries
+ # done by tearDown
+
+ # cleanup interfaces
+ self.teardown_interfaces()
+
+ def test_SRv6_End(self):
+ """ Test SRv6 End (without PSP) behavior.
+ """
+ # send traffic to one destination interface
+ # source and destination interfaces are IPv6 only
+ self.setup_interfaces(ipv6=[True, True])
+
+ # configure FIB entries
+ route = VppIpRoute(self, "a4::", 64,
+ [VppRoutePath(self.pg1.remote_ip6,
+ self.pg1.sw_if_index)])
+ route.add_vpp_config()
+
+ # configure SRv6 localSID End without PSP behavior
+ localsid = VppSRv6LocalSID(
+ self, localsid={'addr': 'A3::0'},
+ behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_END,
+ nh_addr4='0.0.0.0',
+ nh_addr6='::',
+ end_psp=0,
+ sw_if_index=0,
+ vlan_index=0,
+ fib_table=0)
+ localsid.add_vpp_config()
+ # log the localsids
+ self.logger.debug(self.vapi.cli("show sr localsid"))
+
+ # create IPv6 packets with SRH (SL=2, SL=1, SL=0)
+ # send one packet per SL value per packet size
+ # SL=0 packet with localSID End with USP needs 2nd SRH
+ count = len(self.pg_packet_sizes)
+ dst_inner = 'a4::1234'
+ pkts = []
+
+ # packets with segments-left 2, active segment a3::
+ packet_header = self.create_packet_header_IPv6_SRH_IPv6(
+ dst_inner,
+ sidlist=['a5::', 'a4::', 'a3::'],
+ segleft=2)
+ # create traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # packets with segments-left 1, active segment a3::
+ packet_header = self.create_packet_header_IPv6_SRH_IPv6(
+ dst_inner,
+ sidlist=['a4::', 'a3::', 'a2::'],
+ segleft=1)
+ # add to traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # TODO: test behavior with SL=0 packet (needs 2*SRH?)
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
+ self.compare_rx_tx_packet_End)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # remove SRv6 localSIDs
+ localsid.remove_vpp_config()
+
+ # remove FIB entries
+ # done by tearDown
+
+ # cleanup interfaces
+ self.teardown_interfaces()
+
+ def test_SRv6_End_with_PSP(self):
+ """ Test SRv6 End with PSP behavior.
+ """
+ # send traffic to one destination interface
+ # source and destination interfaces are IPv6 only
+ self.setup_interfaces(ipv6=[True, True])
+
+ # configure FIB entries
+ route = VppIpRoute(self, "a4::", 64,
+ [VppRoutePath(self.pg1.remote_ip6,
+ self.pg1.sw_if_index)])
+ route.add_vpp_config()
+
+ # configure SRv6 localSID End with PSP behavior
+ localsid = VppSRv6LocalSID(
+ self, localsid={'addr': 'A3::0'},
+ behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_END,
+ nh_addr4='0.0.0.0',
+ nh_addr6='::',
+ end_psp=1,
+ sw_if_index=0,
+ vlan_index=0,
+ fib_table=0)
+ localsid.add_vpp_config()
+ # log the localsids
+ self.logger.debug(self.vapi.cli("show sr localsid"))
+
+ # create IPv6 packets with SRH (SL=2, SL=1)
+ # send one packet per SL value per packet size
+ # SL=0 packet with localSID End with PSP is dropped
+ count = len(self.pg_packet_sizes)
+ dst_inner = 'a4::1234'
+ pkts = []
+
+ # packets with segments-left 2, active segment a3::
+ packet_header = self.create_packet_header_IPv6_SRH_IPv6(
+ dst_inner,
+ sidlist=['a5::', 'a4::', 'a3::'],
+ segleft=2)
+ # create traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # packets with segments-left 1, active segment a3::
+ packet_header = self.create_packet_header_IPv6_SRH_IPv6(
+ dst_inner,
+ sidlist=['a4::', 'a3::', 'a2::'],
+ segleft=1)
+ # add to traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
+ self.compare_rx_tx_packet_End_PSP)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # remove SRv6 localSIDs
+ localsid.remove_vpp_config()
+
+ # remove FIB entries
+ # done by tearDown
+
+ # cleanup interfaces
+ self.teardown_interfaces()
+
+ def test_SRv6_End_X(self):
+ """ Test SRv6 End.X (without PSP) behavior.
+ """
+ # create three interfaces (1 source, 2 destinations)
+ # source and destination interfaces are IPv6 only
+ self.setup_interfaces(ipv6=[True, True, True])
+
+ # configure FIB entries
+ # a4::/64 via pg1 and pg2
+ route = VppIpRoute(self, "a4::", 64,
+ [VppRoutePath(self.pg1.remote_ip6,
+ self.pg1.sw_if_index),
+ VppRoutePath(self.pg2.remote_ip6,
+ self.pg2.sw_if_index)])
+ route.add_vpp_config()
+ self.logger.debug(self.vapi.cli("show ip6 fib"))
+
+ # configure SRv6 localSID End.X without PSP behavior
+ # End.X points to interface pg1
+ localsid = VppSRv6LocalSID(
+ self, localsid={'addr': 'A3::C4'},
+ behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_X,
+ nh_addr4='0.0.0.0',
+ nh_addr6=self.pg1.remote_ip6,
+ end_psp=0,
+ sw_if_index=self.pg1.sw_if_index,
+ vlan_index=0,
+ fib_table=0)
+ localsid.add_vpp_config()
+ # log the localsids
+ self.logger.debug(self.vapi.cli("show sr localsid"))
+
+ # create IPv6 packets with SRH (SL=2, SL=1)
+ # send one packet per SL value per packet size
+ # SL=0 packet with localSID End with PSP is dropped
+ count = len(self.pg_packet_sizes)
+ dst_inner = 'a4::1234'
+ pkts = []
+
+ # packets with segments-left 2, active segment a3::c4
+ packet_header = self.create_packet_header_IPv6_SRH_IPv6(
+ dst_inner,
+ sidlist=['a5::', 'a4::', 'a3::c4'],
+ segleft=2)
+ # create traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # packets with segments-left 1, active segment a3::c4
+ packet_header = self.create_packet_header_IPv6_SRH_IPv6(
+ dst_inner,
+ sidlist=['a4::', 'a3::c4', 'a2::'],
+ segleft=1)
+ # add to traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # send packets and verify received packets
+ # using same comparison function as End (no PSP)
+ self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
+ self.compare_rx_tx_packet_End)
+
+ # assert nothing was received on the other interface (pg2)
+ self.pg2.assert_nothing_captured("mis-directed packet(s)")
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # remove SRv6 localSIDs
+ localsid.remove_vpp_config()
+
+ # remove FIB entries
+ # done by tearDown
+
+ # cleanup interfaces
+ self.teardown_interfaces()
+
+ def test_SRv6_End_X_with_PSP(self):
+ """ Test SRv6 End.X with PSP behavior.
+ """
+ # create three interfaces (1 source, 2 destinations)
+ # source and destination interfaces are IPv6 only
+ self.setup_interfaces(ipv6=[True, True, True])
+
+ # configure FIB entries
+ # a4::/64 via pg1 and pg2
+ route = VppIpRoute(self, "a4::", 64,
+ [VppRoutePath(
+ self.pg1.remote_ip6,
+ self.pg1.sw_if_index),
+ VppRoutePath(self.pg2.remote_ip6,
+ self.pg2.sw_if_index)])
+ route.add_vpp_config()
+
+ # configure SRv6 localSID End with PSP behavior
+ localsid = VppSRv6LocalSID(
+ self, localsid={'addr': 'A3::C4'},
+ behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_X,
+ nh_addr4='0.0.0.0',
+ nh_addr6=self.pg1.remote_ip6,
+ end_psp=1,
+ sw_if_index=self.pg1.sw_if_index,
+ vlan_index=0,
+ fib_table=0)
+ localsid.add_vpp_config()
+ # log the localsids
+ self.logger.debug(self.vapi.cli("show sr localsid"))
+
+ # create IPv6 packets with SRH (SL=2, SL=1)
+ # send one packet per SL value per packet size
+ # SL=0 packet with localSID End with PSP is dropped
+ count = len(self.pg_packet_sizes)
+ dst_inner = 'a4::1234'
+ pkts = []
+
+ # packets with segments-left 2, active segment a3::
+ packet_header = self.create_packet_header_IPv6_SRH_IPv6(
+ dst_inner,
+ sidlist=['a5::', 'a4::', 'a3::c4'],
+ segleft=2)
+ # create traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # packets with segments-left 1, active segment a3::
+ packet_header = self.create_packet_header_IPv6_SRH_IPv6(
+ dst_inner,
+ sidlist=['a4::', 'a3::c4', 'a2::'],
+ segleft=1)
+ # add to traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # send packets and verify received packets
+ # using same comparison function as End with PSP
+ self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
+ self.compare_rx_tx_packet_End_PSP)
+
+ # assert nothing was received on the other interface (pg2)
+ self.pg2.assert_nothing_captured("mis-directed packet(s)")
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # remove SRv6 localSIDs
+ localsid.remove_vpp_config()
+
+ # remove FIB entries
+ # done by tearDown
+
+ # cleanup interfaces
+ self.teardown_interfaces()
+
+ def test_SRv6_End_DX6(self):
+ """ Test SRv6 End.DX6 behavior.
+ """
+ # send traffic to one destination interface
+ # source and destination interfaces are IPv6 only
+ self.setup_interfaces(ipv6=[True, True])
+
+ # configure SRv6 localSID End.DX6 behavior
+ localsid = VppSRv6LocalSID(
+ self, localsid={'addr': 'A3::C4'},
+ behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_DX6,
+ nh_addr4='0.0.0.0',
+ nh_addr6=self.pg1.remote_ip6,
+ end_psp=0,
+ sw_if_index=self.pg1.sw_if_index,
+ vlan_index=0,
+ fib_table=0)
+ localsid.add_vpp_config()
+ # log the localsids
+ self.logger.debug(self.vapi.cli("show sr localsid"))
+
+ # create IPv6 packets with SRH (SL=0)
+ # send one packet per packet size
+ count = len(self.pg_packet_sizes)
+ dst_inner = 'a4::1234' # inner header destination address
+ pkts = []
+
+ # packets with SRH, segments-left 0, active segment a3::c4
+ packet_header = self.create_packet_header_IPv6_SRH_IPv6(
+ dst_inner,
+ sidlist=['a3::c4', 'a2::', 'a1::'],
+ segleft=0)
+ # add to traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # packets without SRH, IPv6 in IPv6
+ # outer IPv6 dest addr is the localsid End.DX6
+ packet_header = self.create_packet_header_IPv6_IPv6(
+ dst_inner,
+ dst_outer='a3::c4')
+ # add to traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
+ self.compare_rx_tx_packet_End_DX6)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # remove SRv6 localSIDs
+ localsid.remove_vpp_config()
+
+ # cleanup interfaces
+ self.teardown_interfaces()
+
+ def test_SRv6_End_DT6(self):
+ """ Test SRv6 End.DT6 behavior.
+ """
+ # create three interfaces (1 source, 2 destinations)
+ # all interfaces are IPv6 only
+ # source interface in global FIB (0)
+ # destination interfaces in global and vrf
+ vrf_1 = 1
+ ipt = VppIpTable(self, vrf_1, is_ip6=True)
+ ipt.add_vpp_config()
+ self.setup_interfaces(ipv6=[True, True, True],
+ ipv6_table_id=[0, 0, vrf_1])
+
+ # configure FIB entries
+ # a4::/64 is reachable
+ # via pg1 in table 0 (global)
+ # and via pg2 in table vrf_1
+ route0 = VppIpRoute(self, "a4::", 64,
+ [VppRoutePath(self.pg1.remote_ip6,
+ self.pg1.sw_if_index,
+ nh_table_id=0)],
+ table_id=0)
+ route0.add_vpp_config()
+ route1 = VppIpRoute(self, "a4::", 64,
+ [VppRoutePath(self.pg2.remote_ip6,
+ self.pg2.sw_if_index,
+ nh_table_id=vrf_1)],
+ table_id=vrf_1)
+ route1.add_vpp_config()
+ self.logger.debug(self.vapi.cli("show ip6 fib"))
+
+ # configure SRv6 localSID End.DT6 behavior
+ # Note:
+ # fib_table: where the localsid is installed
+ # sw_if_index: in T-variants of localsid this is the vrf table_id
+ localsid = VppSRv6LocalSID(
+ self, localsid={'addr': 'A3::C4'},
+ behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_DT6,
+ nh_addr4='0.0.0.0',
+ nh_addr6='::',
+ end_psp=0,
+ sw_if_index=vrf_1,
+ vlan_index=0,
+ fib_table=0)
+ localsid.add_vpp_config()
+ # log the localsids
+ self.logger.debug(self.vapi.cli("show sr localsid"))
+
+ # create IPv6 packets with SRH (SL=0)
+ # send one packet per packet size
+ count = len(self.pg_packet_sizes)
+ dst_inner = 'a4::1234' # inner header destination address
+ pkts = []
+
+ # packets with SRH, segments-left 0, active segment a3::c4
+ packet_header = self.create_packet_header_IPv6_SRH_IPv6(
+ dst_inner,
+ sidlist=['a3::c4', 'a2::', 'a1::'],
+ segleft=0)
+ # add to traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg2, packet_header,
+ self.pg_packet_sizes, count))
+
+ # packets without SRH, IPv6 in IPv6
+ # outer IPv6 dest addr is the localsid End.DT6
+ packet_header = self.create_packet_header_IPv6_IPv6(
+ dst_inner,
+ dst_outer='a3::c4')
+ # add to traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg2, packet_header,
+ self.pg_packet_sizes, count))
+
+ # send packets and verify received packets
+ # using same comparison function as End.DX6
+ self.send_and_verify_pkts(self.pg0, pkts, self.pg2,
+ self.compare_rx_tx_packet_End_DX6)
+
+ # assert nothing was received on the other interface (pg2)
+ self.pg1.assert_nothing_captured("mis-directed packet(s)")
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # remove SRv6 localSIDs
+ localsid.remove_vpp_config()
+
+ # remove FIB entries
+ # done by tearDown
+
+ # cleanup interfaces
+ self.teardown_interfaces()
+
+ def test_SRv6_End_DX4(self):
+ """ Test SRv6 End.DX4 behavior.
+ """
+ # send traffic to one destination interface
+ # source interface is IPv6 only
+ # destination interface is IPv4 only
+ self.setup_interfaces(ipv6=[True, False], ipv4=[False, True])
+
+ # configure SRv6 localSID End.DX4 behavior
+ localsid = VppSRv6LocalSID(
+ self, localsid={'addr': 'A3::C4'},
+ behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_DX4,
+ nh_addr4=self.pg1.remote_ip4,
+ nh_addr6='::',
+ end_psp=0,
+ sw_if_index=self.pg1.sw_if_index,
+ vlan_index=0,
+ fib_table=0)
+ localsid.add_vpp_config()
+ # log the localsids
+ self.logger.debug(self.vapi.cli("show sr localsid"))
+
+ # send one packet per packet size
+ count = len(self.pg_packet_sizes)
+ dst_inner = '4.1.1.123' # inner header destination address
+ pkts = []
+
+ # packets with SRH, segments-left 0, active segment a3::c4
+ packet_header = self.create_packet_header_IPv6_SRH_IPv4(
+ dst_inner,
+ sidlist=['a3::c4', 'a2::', 'a1::'],
+ segleft=0)
+ # add to traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # packets without SRH, IPv4 in IPv6
+ # outer IPv6 dest addr is the localsid End.DX4
+ packet_header = self.create_packet_header_IPv6_IPv4(
+ dst_inner,
+ dst_outer='a3::c4')
+ # add to traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
+ self.compare_rx_tx_packet_End_DX4)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # remove SRv6 localSIDs
+ localsid.remove_vpp_config()
+
+ # cleanup interfaces
+ self.teardown_interfaces()
+
+ def test_SRv6_End_DT4(self):
+ """ Test SRv6 End.DT4 behavior.
+ """
+ # create three interfaces (1 source, 2 destinations)
+ # source interface is IPv6-only
+ # destination interfaces are IPv4 only
+ # source interface in global FIB (0)
+ # destination interfaces in global and vrf
+ vrf_1 = 1
+ ipt = VppIpTable(self, vrf_1)
+ ipt.add_vpp_config()
+ self.setup_interfaces(ipv6=[True, False, False],
+ ipv4=[False, True, True],
+ ipv6_table_id=[0, 0, 0],
+ ipv4_table_id=[0, 0, vrf_1])
+
+ # configure FIB entries
+ # 4.1.1.0/24 is reachable
+ # via pg1 in table 0 (global)
+ # and via pg2 in table vrf_1
+ route0 = VppIpRoute(self, "4.1.1.0", 24,
+ [VppRoutePath(self.pg1.remote_ip4,
+ self.pg1.sw_if_index,
+ nh_table_id=0)],
+ table_id=0)
+ route0.add_vpp_config()
+ route1 = VppIpRoute(self, "4.1.1.0", 24,
+ [VppRoutePath(self.pg2.remote_ip4,
+ self.pg2.sw_if_index,
+ nh_table_id=vrf_1)],
+ table_id=vrf_1)
+ route1.add_vpp_config()
+ self.logger.debug(self.vapi.cli("show ip fib"))
+
+ # configure SRv6 localSID End.DT6 behavior
+ # Note:
+ # fib_table: where the localsid is installed
+ # sw_if_index: in T-variants of localsid: vrf table_id
+ localsid = VppSRv6LocalSID(
+ self, localsid={'addr': 'A3::C4'},
+ behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_DT4,
+ nh_addr4='0.0.0.0',
+ nh_addr6='::',
+ end_psp=0,
+ sw_if_index=vrf_1,
+ vlan_index=0,
+ fib_table=0)
+ localsid.add_vpp_config()
+ # log the localsids
+ self.logger.debug(self.vapi.cli("show sr localsid"))
+
+ # create IPv6 packets with SRH (SL=0)
+ # send one packet per packet size
+ count = len(self.pg_packet_sizes)
+ dst_inner = '4.1.1.123' # inner header destination address
+ pkts = []
+
+ # packets with SRH, segments-left 0, active segment a3::c4
+ packet_header = self.create_packet_header_IPv6_SRH_IPv4(
+ dst_inner,
+ sidlist=['a3::c4', 'a2::', 'a1::'],
+ segleft=0)
+ # add to traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg2, packet_header,
+ self.pg_packet_sizes, count))
+
+ # packets without SRH, IPv6 in IPv6
+ # outer IPv6 dest addr is the localsid End.DX4
+ packet_header = self.create_packet_header_IPv6_IPv4(
+ dst_inner,
+ dst_outer='a3::c4')
+ # add to traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg2, packet_header,
+ self.pg_packet_sizes, count))
+
+ # send packets and verify received packets
+ # using same comparison function as End.DX4
+ self.send_and_verify_pkts(self.pg0, pkts, self.pg2,
+ self.compare_rx_tx_packet_End_DX4)
+
+ # assert nothing was received on the other interface (pg2)
+ self.pg1.assert_nothing_captured("mis-directed packet(s)")
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # remove SRv6 localSIDs
+ localsid.remove_vpp_config()
+
+ # remove FIB entries
+ # done by tearDown
+
+ # cleanup interfaces
+ self.teardown_interfaces()
+
+ def test_SRv6_End_DX2(self):
+ """ Test SRv6 End.DX2 behavior.
+ """
+ # send traffic to one destination interface
+ # source interface is IPv6 only
+ self.setup_interfaces(ipv6=[True, False], ipv4=[False, False])
+
+ # configure SRv6 localSID End.DX2 behavior
+ localsid = VppSRv6LocalSID(
+ self, localsid={'addr': 'A3::C4'},
+ behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_DX2,
+ nh_addr4='0.0.0.0',
+ nh_addr6='::',
+ end_psp=0,
+ sw_if_index=self.pg1.sw_if_index,
+ vlan_index=0,
+ fib_table=0)
+ localsid.add_vpp_config()
+ # log the localsids
+ self.logger.debug(self.vapi.cli("show sr localsid"))
+
+ # send one packet per packet size
+ count = len(self.pg_packet_sizes)
+ pkts = []
+
+ # packets with SRH, segments-left 0, active segment a3::c4
+ # L2 has no dot1q header
+ packet_header = self.create_packet_header_IPv6_SRH_L2(
+ sidlist=['a3::c4', 'a2::', 'a1::'],
+ segleft=0,
+ vlan=0)
+ # add to traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # packets with SRH, segments-left 0, active segment a3::c4
+ # L2 has dot1q header
+ packet_header = self.create_packet_header_IPv6_SRH_L2(
+ sidlist=['a3::c4', 'a2::', 'a1::'],
+ segleft=0,
+ vlan=123)
+ # add to traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # packets without SRH, L2 in IPv6
+ # outer IPv6 dest addr is the localsid End.DX2
+ # L2 has no dot1q header
+ packet_header = self.create_packet_header_IPv6_L2(
+ dst_outer='a3::c4',
+ vlan=0)
+ # add to traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # packets without SRH, L2 in IPv6
+ # outer IPv6 dest addr is the localsid End.DX2
+ # L2 has dot1q header
+ packet_header = self.create_packet_header_IPv6_L2(
+ dst_outer='a3::c4',
+ vlan=123)
+ # add to traffic stream pg0->pg1
+ pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
+ self.pg_packet_sizes, count))
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
+ self.compare_rx_tx_packet_End_DX2)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # remove SRv6 localSIDs
+ localsid.remove_vpp_config()
+
+ # cleanup interfaces
+ self.teardown_interfaces()
+
+ @unittest.skipUnless(0, "PC to fix")
+ def test_SRv6_T_Insert_Classifier(self):
+ """ Test SRv6 Transit.Insert behavior (IPv6 only).
+ steer packets using the classifier
+ """
+ # send traffic to one destination interface
+ # source and destination are IPv6 only
+ self.setup_interfaces(ipv6=[False, False, False, True, True])
+
+ # configure FIB entries
+ route = VppIpRoute(self, "a4::", 64,
+ [VppRoutePath(
+ self.pg4.remote_ip6,
+ self.pg4.sw_if_index)])
+ route.add_vpp_config()
+
+ # configure encaps IPv6 source address
+ # needs to be done before SR Policy config
+ # TODO: API?
+ self.vapi.cli("set sr encaps source addr a3::")
+
+ bsid = 'a3::9999:1'
+ # configure SRv6 Policy
+ # Note: segment list order: first -> last
+ sr_policy = VppSRv6Policy(
+ self, bsid=bsid,
+ is_encap=0,
+ sr_type=SRv6PolicyType.SR_POLICY_TYPE_DEFAULT,
+ weight=1, fib_table=0,
+ segments=['a4::', 'a5::', 'a6::c7'],
+ source='a3::')
+ sr_policy.add_vpp_config()
+ self.sr_policy = sr_policy
+
+ # log the sr policies
+ self.logger.info(self.vapi.cli("show sr policies"))
+
+ # add classify table
+ # mask on dst ip address prefix a7::/8
+ mask = '{!s:0<16}'.format('ff')
+ r = self.vapi.classify_add_del_table(
+ 1,
+ binascii.unhexlify(mask),
+ match_n_vectors=(len(mask) - 1) // 32 + 1,
+ current_data_flag=1,
+ skip_n_vectors=2) # data offset
+ self.assertIsNotNone(r, 'No response msg for add_del_table')
+ table_index = r.new_table_index
+
+ # add the source routing node as a ip6 inacl netxt node
+ r = self.vapi.add_node_next('ip6-inacl',
+ 'sr-pl-rewrite-insert')
+ inacl_next_node_index = r.node_index
+
+ match = '{!s:0<16}'.format('a7')
+ r = self.vapi.classify_add_del_session(
+ 1,
+ table_index,
+ binascii.unhexlify(match),
+ hit_next_index=inacl_next_node_index,
+ action=3,
+ metadata=0) # sr policy index
+ self.assertIsNotNone(r, 'No response msg for add_del_session')
+
+ # log the classify table used in the steering policy
+ self.logger.info(self.vapi.cli("show classify table"))
+
+ r = self.vapi.input_acl_set_interface(
+ is_add=1,
+ sw_if_index=self.pg3.sw_if_index,
+ ip6_table_index=table_index)
+ self.assertIsNotNone(r,
+ 'No response msg for input_acl_set_interface')
+
+ # log the ip6 inacl
+ self.logger.info(self.vapi.cli("show inacl type ip6"))
+
+ # create packets
+ count = len(self.pg_packet_sizes)
+ dst_inner = 'a7::1234'
+ pkts = []
+
+ # create IPv6 packets without SRH
+ packet_header = self.create_packet_header_IPv6(dst_inner)
+ # create traffic stream pg3->pg4
+ pkts.extend(self.create_stream(self.pg3, self.pg4, packet_header,
+ self.pg_packet_sizes, count))
+
+ # create IPv6 packets with SRH
+ # packets with segments-left 1, active segment a7::
+ packet_header = self.create_packet_header_IPv6_SRH(
+ sidlist=['a8::', 'a7::', 'a6::'],
+ segleft=1)
+ # create traffic stream pg3->pg4
+ pkts.extend(self.create_stream(self.pg3, self.pg4, packet_header,
+ self.pg_packet_sizes, count))
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg3, pkts, self.pg4,
+ self.compare_rx_tx_packet_T_Insert)
+
+ # remove the interface l2 input feature
+ r = self.vapi.input_acl_set_interface(
+ is_add=0,
+ sw_if_index=self.pg3.sw_if_index,
+ ip6_table_index=table_index)
+ self.assertIsNotNone(r,
+ 'No response msg for input_acl_set_interface')
+
+ # log the ip6 inacl after cleaning
+ self.logger.info(self.vapi.cli("show inacl type ip6"))
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # remove classifier SR steering
+ # classifier_steering.remove_vpp_config()
+ self.logger.info(self.vapi.cli("show sr steering policies"))
+
+ # remove SR Policies
+ self.sr_policy.remove_vpp_config()
+ self.logger.info(self.vapi.cli("show sr policies"))
+
+ # remove classify session and table
+ r = self.vapi.classify_add_del_session(
+ 0,
+ table_index,
+ binascii.unhexlify(match))
+ self.assertIsNotNone(r, 'No response msg for add_del_session')
+
+ r = self.vapi.classify_add_del_table(
+ 0,
+ binascii.unhexlify(mask),
+ table_index=table_index)
+ self.assertIsNotNone(r, 'No response msg for add_del_table')
+
+ self.logger.info(self.vapi.cli("show classify table"))
+
+ # remove FIB entries
+ # done by tearDown
+
+ # cleanup interfaces
+ self.teardown_interfaces()
+
+ def compare_rx_tx_packet_T_Encaps(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing T.Encaps
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+ # T.Encaps updates the headers as follows:
+ # SR Policy seglist (S3, S2, S1)
+ # SR Policy source C
+ # IPv6:
+ # in: IPv6(A, B2)
+ # out: IPv6(C, S1)SRH(S3, S2, S1; SL=2)IPv6(A, B2)
+ # IPv6 + SRH:
+ # in: IPv6(A, B2)SRH(B3, B2, B1; SL=1)
+ # out: IPv6(C, S1)SRH(S3, S2, S1; SL=2)IPv6(a, B2)SRH(B3, B2, B1; SL=1)
+
+ # get first (outer) IPv6 header of rx'ed packet
+ rx_ip = rx_pkt.getlayer(IPv6)
+ rx_srh = None
+
+ tx_ip = tx_pkt.getlayer(IPv6)
+
+ # expected segment-list
+ seglist = self.sr_policy.segments
+ # reverse list to get order as in SRH
+ tx_seglist = seglist[::-1]
+
+ # get source address of SR Policy
+ sr_policy_source = self.sr_policy.source
+
+ # rx'ed packet should have SRH
+ self.assertTrue(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+ # get SRH
+ rx_srh = rx_pkt.getlayer(IPv6ExtHdrSegmentRouting)
+
+ # received ip.src should be equal to SR Policy source
+ self.assertEqual(rx_ip.src, sr_policy_source)
+ # received ip.dst should be equal to expected sidlist[lastentry]
+ self.assertEqual(rx_ip.dst, tx_seglist[-1])
+ # rx'ed seglist should be equal to expected seglist
+ self.assertEqual(rx_srh.addresses, tx_seglist)
+ # segleft should be equal to size expected seglist-1
+ self.assertEqual(rx_srh.segleft, len(tx_seglist)-1)
+ # segleft should be equal to lastentry
+ self.assertEqual(rx_srh.segleft, rx_srh.lastentry)
+
+ # the whole rx'ed pkt beyond SRH should be equal to tx'ed pkt
+ # except for the hop-limit field
+ # -> update tx'ed hlim to the expected hlim
+ tx_ip.hlim = tx_ip.hlim - 1
+
+ self.assertEqual(rx_srh.payload, tx_ip)
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def compare_rx_tx_packet_T_Encaps_IPv4(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing T.Encaps for IPv4
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+ # T.Encaps for IPv4 updates the headers as follows:
+ # SR Policy seglist (S3, S2, S1)
+ # SR Policy source C
+ # IPv4:
+ # in: IPv4(A, B2)
+ # out: IPv6(C, S1)SRH(S3, S2, S1; SL=2)IPv4(A, B2)
+
+ # get first (outer) IPv6 header of rx'ed packet
+ rx_ip = rx_pkt.getlayer(IPv6)
+ rx_srh = None
+
+ tx_ip = tx_pkt.getlayer(IP)
+
+ # expected segment-list
+ seglist = self.sr_policy.segments
+ # reverse list to get order as in SRH
+ tx_seglist = seglist[::-1]
+
+ # get source address of SR Policy
+ sr_policy_source = self.sr_policy.source
+
+ # checks common to cases tx with and without SRH
+ # rx'ed packet should have SRH and IPv4 header
+ self.assertTrue(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+ self.assertTrue(rx_ip.payload.haslayer(IP))
+ # get SRH
+ rx_srh = rx_pkt.getlayer(IPv6ExtHdrSegmentRouting)
+
+ # received ip.src should be equal to SR Policy source
+ self.assertEqual(rx_ip.src, sr_policy_source)
+ # received ip.dst should be equal to sidlist[lastentry]
+ self.assertEqual(rx_ip.dst, tx_seglist[-1])
+ # rx'ed seglist should be equal to seglist
+ self.assertEqual(rx_srh.addresses, tx_seglist)
+ # segleft should be equal to size seglist-1
+ self.assertEqual(rx_srh.segleft, len(tx_seglist)-1)
+ # segleft should be equal to lastentry
+ self.assertEqual(rx_srh.segleft, rx_srh.lastentry)
+
+ # the whole rx'ed pkt beyond SRH should be equal to tx'ed pkt
+ # except for the ttl field and ip checksum
+ # -> adjust tx'ed ttl to expected ttl
+ tx_ip.ttl = tx_ip.ttl - 1
+ # -> set tx'ed ip checksum to None and let scapy recompute
+ tx_ip.chksum = None
+ # read back the pkt (with str()) to force computing these fields
+ # probably other ways to accomplish this are possible
+ tx_ip = IP(scapy.compat.raw(tx_ip))
+
+ self.assertEqual(rx_srh.payload, tx_ip)
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def compare_rx_tx_packet_T_Encaps_L2(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing T.Encaps for L2
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+ # T.Encaps for L2 updates the headers as follows:
+ # SR Policy seglist (S3, S2, S1)
+ # SR Policy source C
+ # L2:
+ # in: L2
+ # out: IPv6(C, S1)SRH(S3, S2, S1; SL=2)L2
+
+ # get first (outer) IPv6 header of rx'ed packet
+ rx_ip = rx_pkt.getlayer(IPv6)
+ rx_srh = None
+
+ tx_ether = tx_pkt.getlayer(Ether)
+
+ # expected segment-list
+ seglist = self.sr_policy.segments
+ # reverse list to get order as in SRH
+ tx_seglist = seglist[::-1]
+
+ # get source address of SR Policy
+ sr_policy_source = self.sr_policy.source
+
+ # rx'ed packet should have SRH
+ self.assertTrue(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+ # get SRH
+ rx_srh = rx_pkt.getlayer(IPv6ExtHdrSegmentRouting)
+
+ # received ip.src should be equal to SR Policy source
+ self.assertEqual(rx_ip.src, sr_policy_source)
+ # received ip.dst should be equal to sidlist[lastentry]
+ self.assertEqual(rx_ip.dst, tx_seglist[-1])
+ # rx'ed seglist should be equal to seglist
+ self.assertEqual(rx_srh.addresses, tx_seglist)
+ # segleft should be equal to size seglist-1
+ self.assertEqual(rx_srh.segleft, len(tx_seglist)-1)
+ # segleft should be equal to lastentry
+ self.assertEqual(rx_srh.segleft, rx_srh.lastentry)
+ # nh should be "No Next Header" (59)
+ self.assertEqual(rx_srh.nh, 59)
+
+ # the whole rx'ed pkt beyond SRH should be equal to tx'ed pkt
+ self.assertEqual(Ether(scapy.compat.raw(rx_srh.payload)), tx_ether)
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def compare_rx_tx_packet_T_Insert(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing T.Insert
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+ # T.Insert updates the headers as follows:
+ # IPv6:
+ # in: IPv6(A, B2)
+ # out: IPv6(A, S1)SRH(B2, S3, S2, S1; SL=3)
+ # IPv6 + SRH:
+ # in: IPv6(A, B2)SRH(B3, B2, B1; SL=1)
+ # out: IPv6(A, S1)SRH(B2, S3, S2, S1; SL=3)SRH(B3, B2, B1; SL=1)
+
+ # get first (outer) IPv6 header of rx'ed packet
+ rx_ip = rx_pkt.getlayer(IPv6)
+ rx_srh = None
+ rx_ip2 = None
+ rx_srh2 = None
+ rx_ip3 = None
+ rx_udp = rx_pkt[UDP]
+
+ tx_ip = tx_pkt.getlayer(IPv6)
+ tx_srh = None
+ tx_ip2 = None
+ # some packets have been tx'ed with an SRH, some without it
+ # get SRH if tx'ed packet has it
+ if tx_pkt.haslayer(IPv6ExtHdrSegmentRouting):
+ tx_srh = tx_pkt.getlayer(IPv6ExtHdrSegmentRouting)
+ tx_ip2 = tx_pkt.getlayer(IPv6, 2)
+ tx_udp = tx_pkt[UDP]
+
+ # expected segment-list (make copy of SR Policy segment list)
+ seglist = self.sr_policy.segments[:]
+ # expected seglist has initial dest addr as last segment
+ seglist.append(tx_ip.dst)
+ # reverse list to get order as in SRH
+ tx_seglist = seglist[::-1]
+
+ # get source address of SR Policy
+ sr_policy_source = self.sr_policy.source
+
+ # checks common to cases tx with and without SRH
+ # rx'ed packet should have SRH and only one IPv6 header
+ self.assertTrue(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+ self.assertFalse(rx_ip.payload.haslayer(IPv6))
+ # get SRH
+ rx_srh = rx_pkt.getlayer(IPv6ExtHdrSegmentRouting)
+
+ # rx'ed ip.src should be equal to tx'ed ip.src
+ self.assertEqual(rx_ip.src, tx_ip.src)
+ # rx'ed ip.dst should be equal to sidlist[lastentry]
+ self.assertEqual(rx_ip.dst, tx_seglist[-1])
+
+ # rx'ed seglist should be equal to expected seglist
+ self.assertEqual(rx_srh.addresses, tx_seglist)
+ # segleft should be equal to size(expected seglist)-1
+ self.assertEqual(rx_srh.segleft, len(tx_seglist)-1)
+ # segleft should be equal to lastentry
+ self.assertEqual(rx_srh.segleft, rx_srh.lastentry)
+
+ if tx_srh: # packet was tx'ed with SRH
+ # packet should have 2nd SRH
+ self.assertTrue(rx_srh.payload.haslayer(IPv6ExtHdrSegmentRouting))
+ # get 2nd SRH
+ rx_srh2 = rx_pkt.getlayer(IPv6ExtHdrSegmentRouting, 2)
+
+ # rx'ed srh2.addresses should be equal to tx'ed srh.addresses
+ self.assertEqual(rx_srh2.addresses, tx_srh.addresses)
+ # rx'ed srh2.segleft should be equal to tx'ed srh.segleft
+ self.assertEqual(rx_srh2.segleft, tx_srh.segleft)
+ # rx'ed srh2.lastentry should be equal to tx'ed srh.lastentry
+ self.assertEqual(rx_srh2.lastentry, tx_srh.lastentry)
+
+ else: # packet was tx'ed without SRH
+ # rx packet should have no other SRH
+ self.assertFalse(rx_srh.payload.haslayer(IPv6ExtHdrSegmentRouting))
+
+ # UDP layer should be unchanged
+ self.assertEqual(rx_udp, tx_udp)
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def compare_rx_tx_packet_End(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing End (without PSP)
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+ # End (no PSP) updates the headers as follows:
+ # IPv6 + SRH:
+ # in: IPv6(A, S1)SRH(S3, S2, S1; SL=2)
+ # out: IPv6(A, S2)SRH(S3, S2, S1; SL=1)
+
+ # get first (outer) IPv6 header of rx'ed packet
+ rx_ip = rx_pkt.getlayer(IPv6)
+ rx_srh = None
+ rx_ip2 = None
+ rx_udp = rx_pkt[UDP]
+
+ tx_ip = tx_pkt.getlayer(IPv6)
+ # we know the packet has been tx'ed
+ # with an inner IPv6 header and an SRH
+ tx_ip2 = tx_pkt.getlayer(IPv6, 2)
+ tx_srh = tx_pkt.getlayer(IPv6ExtHdrSegmentRouting)
+ tx_udp = tx_pkt[UDP]
+
+ # common checks, regardless of tx segleft value
+ # rx'ed packet should have 2nd IPv6 header
+ self.assertTrue(rx_ip.payload.haslayer(IPv6))
+ # get second (inner) IPv6 header
+ rx_ip2 = rx_pkt.getlayer(IPv6, 2)
+
+ if tx_ip.segleft > 0:
+ # SRH should NOT have been popped:
+ # End SID without PSP does not pop SRH if segleft>0
+ self.assertTrue(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+ rx_srh = rx_pkt.getlayer(IPv6ExtHdrSegmentRouting)
+
+ # received ip.src should be equal to expected ip.src
+ self.assertEqual(rx_ip.src, tx_ip.src)
+ # sidlist should be unchanged
+ self.assertEqual(rx_srh.addresses, tx_srh.addresses)
+ # segleft should have been decremented
+ self.assertEqual(rx_srh.segleft, tx_srh.segleft-1)
+ # received ip.dst should be equal to sidlist[segleft]
+ self.assertEqual(rx_ip.dst, rx_srh.addresses[rx_srh.segleft])
+ # lastentry should be unchanged
+ self.assertEqual(rx_srh.lastentry, tx_srh.lastentry)
+ # inner IPv6 packet (ip2) should be unchanged
+ self.assertEqual(rx_ip2.src, tx_ip2.src)
+ self.assertEqual(rx_ip2.dst, tx_ip2.dst)
+ # else: # tx_ip.segleft == 0
+ # TODO: Does this work with 2 SRHs in ingress packet?
+
+ # UDP layer should be unchanged
+ self.assertEqual(rx_udp, tx_udp)
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def compare_rx_tx_packet_End_PSP(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing End with PSP
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+ # End (PSP) updates the headers as follows:
+ # IPv6 + SRH (SL>1):
+ # in: IPv6(A, S1)SRH(S3, S2, S1; SL=2)
+ # out: IPv6(A, S2)SRH(S3, S2, S1; SL=1)
+ # IPv6 + SRH (SL=1):
+ # in: IPv6(A, S2)SRH(S3, S2, S1; SL=1)
+ # out: IPv6(A, S3)
+
+ # get first (outer) IPv6 header of rx'ed packet
+ rx_ip = rx_pkt.getlayer(IPv6)
+ rx_srh = None
+ rx_ip2 = None
+ rx_udp = rx_pkt[UDP]
+
+ tx_ip = tx_pkt.getlayer(IPv6)
+ # we know the packet has been tx'ed
+ # with an inner IPv6 header and an SRH
+ tx_ip2 = tx_pkt.getlayer(IPv6, 2)
+ tx_srh = tx_pkt.getlayer(IPv6ExtHdrSegmentRouting)
+ tx_udp = tx_pkt[UDP]
+
+ # common checks, regardless of tx segleft value
+ self.assertTrue(rx_ip.payload.haslayer(IPv6))
+ rx_ip2 = rx_pkt.getlayer(IPv6, 2)
+ # inner IPv6 packet (ip2) should be unchanged
+ self.assertEqual(rx_ip2.src, tx_ip2.src)
+ self.assertEqual(rx_ip2.dst, tx_ip2.dst)
+
+ if tx_ip.segleft > 1:
+ # SRH should NOT have been popped:
+ # End SID with PSP does not pop SRH if segleft>1
+ # rx'ed packet should have SRH
+ self.assertTrue(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+ rx_srh = rx_pkt.getlayer(IPv6ExtHdrSegmentRouting)
+
+ # received ip.src should be equal to expected ip.src
+ self.assertEqual(rx_ip.src, tx_ip.src)
+ # sidlist should be unchanged
+ self.assertEqual(rx_srh.addresses, tx_srh.addresses)
+ # segleft should have been decremented
+ self.assertEqual(rx_srh.segleft, tx_srh.segleft-1)
+ # received ip.dst should be equal to sidlist[segleft]
+ self.assertEqual(rx_ip.dst, rx_srh.addresses[rx_srh.segleft])
+ # lastentry should be unchanged
+ self.assertEqual(rx_srh.lastentry, tx_srh.lastentry)
+
+ else: # tx_ip.segleft <= 1
+ # SRH should have been popped:
+ # End SID with PSP and segleft=1 pops SRH
+ # the two IPv6 headers are still present
+ # outer IPv6 header has DA == last segment of popped SRH
+ # SRH should not be present
+ self.assertFalse(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+ # outer IPv6 header ip.src should be equal to tx'ed ip.src
+ self.assertEqual(rx_ip.src, tx_ip.src)
+ # outer IPv6 header ip.dst should be = to tx'ed sidlist[segleft-1]
+ self.assertEqual(rx_ip.dst, tx_srh.addresses[tx_srh.segleft-1])
+
+ # UDP layer should be unchanged
+ self.assertEqual(rx_udp, tx_udp)
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def compare_rx_tx_packet_End_DX6(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing End.DX6
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+ # End.DX6 updates the headers as follows:
+ # IPv6 + SRH (SL=0):
+ # in: IPv6(A, S3)SRH(S3, S2, S1; SL=0)IPv6(B, D)
+ # out: IPv6(B, D)
+ # IPv6:
+ # in: IPv6(A, S3)IPv6(B, D)
+ # out: IPv6(B, D)
+
+ # get first (outer) IPv6 header of rx'ed packet
+ rx_ip = rx_pkt.getlayer(IPv6)
+
+ tx_ip = tx_pkt.getlayer(IPv6)
+ tx_ip2 = tx_pkt.getlayer(IPv6, 2)
+
+ # verify if rx'ed packet has no SRH
+ self.assertFalse(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+
+ # the whole rx_ip pkt should be equal to tx_ip2
+ # except for the hlim field
+ # -> adjust tx'ed hlim to expected hlim
+ tx_ip2.hlim = tx_ip2.hlim - 1
+
+ self.assertEqual(rx_ip, tx_ip2)
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def compare_rx_tx_packet_End_DX4(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing End.DX4
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+ # End.DX4 updates the headers as follows:
+ # IPv6 + SRH (SL=0):
+ # in: IPv6(A, S3)SRH(S3, S2, S1; SL=0)IPv4(B, D)
+ # out: IPv4(B, D)
+ # IPv6:
+ # in: IPv6(A, S3)IPv4(B, D)
+ # out: IPv4(B, D)
+
+ # get IPv4 header of rx'ed packet
+ rx_ip = rx_pkt.getlayer(IP)
+
+ tx_ip = tx_pkt.getlayer(IPv6)
+ tx_ip2 = tx_pkt.getlayer(IP)
+
+ # verify if rx'ed packet has no SRH
+ self.assertFalse(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+
+ # the whole rx_ip pkt should be equal to tx_ip2
+ # except for the ttl field and ip checksum
+ # -> adjust tx'ed ttl to expected ttl
+ tx_ip2.ttl = tx_ip2.ttl - 1
+ # -> set tx'ed ip checksum to None and let scapy recompute
+ tx_ip2.chksum = None
+ # read back the pkt (with str()) to force computing these fields
+ # probably other ways to accomplish this are possible
+ tx_ip2 = IP(scapy.compat.raw(tx_ip2))
+
+ self.assertEqual(rx_ip, tx_ip2)
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def compare_rx_tx_packet_End_DX2(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing End.DX2
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+ # End.DX2 updates the headers as follows:
+ # IPv6 + SRH (SL=0):
+ # in: IPv6(A, S3)SRH(S3, S2, S1; SL=0)L2
+ # out: L2
+ # IPv6:
+ # in: IPv6(A, S3)L2
+ # out: L2
+
+ # get IPv4 header of rx'ed packet
+ rx_eth = rx_pkt.getlayer(Ether)
+
+ tx_ip = tx_pkt.getlayer(IPv6)
+ # we can't just get the 2nd Ether layer
+ # get the Raw content and dissect it as Ether
+ tx_eth1 = Ether(scapy.compat.raw(tx_pkt[Raw]))
+
+ # verify if rx'ed packet has no SRH
+ self.assertFalse(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+
+ # the whole rx_eth pkt should be equal to tx_eth1
+ self.assertEqual(rx_eth, tx_eth1)
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def create_stream(self, src_if, dst_if, packet_header, packet_sizes,
+ count):
+ """Create SRv6 input packet stream for defined interface.
+
+ :param VppInterface src_if: Interface to create packet stream for
+ :param VppInterface dst_if: destination interface of packet stream
+ :param packet_header: Layer3 scapy packet headers,
+ L2 is added when not provided,
+ Raw(payload) with packet_info is added
+ :param list packet_sizes: packet stream pckt sizes,sequentially applied
+ to packets in stream have
+ :param int count: number of packets in packet stream
+ :return: list of packets
+ """
+ self.logger.info("Creating packets")
+ pkts = []
+ for i in range(0, count-1):
+ payload_info = self.create_packet_info(src_if, dst_if)
+ self.logger.debug(
+ "Creating packet with index %d" % (payload_info.index))
+ payload = self.info_to_payload(payload_info)
+ # add L2 header if not yet provided in packet_header
+ if packet_header.getlayer(0).name == 'Ethernet':
+ p = (packet_header /
+ Raw(payload))
+ else:
+ p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
+ packet_header /
+ Raw(payload))
+ size = packet_sizes[i % len(packet_sizes)]
+ self.logger.debug("Packet size %d" % (size))
+ self.extend_packet(p, size)
+ # we need to store the packet with the automatic fields computed
+ # read back the dumped packet (with str())
+ # to force computing these fields
+ # probably other ways are possible
+ p = Ether(scapy.compat.raw(p))
+ payload_info.data = p.copy()
+ self.logger.debug(ppp("Created packet:", p))
+ pkts.append(p)
+ self.logger.info("Done creating packets")
+ return pkts
+
+ def send_and_verify_pkts(self, input, pkts, output, compare_func):
+ """Send packets and verify received packets using compare_func
+
+ :param input: ingress interface of DUT
+ :param pkts: list of packets to transmit
+ :param output: egress interface of DUT
+ :param compare_func: function to compare in and out packets
+ """
+ # add traffic stream to input interface
+ input.add_stream(pkts)
+
+ # enable capture on all interfaces
+ self.pg_enable_capture(self.pg_interfaces)
+
+ # start traffic
+ self.logger.info("Starting traffic")
+ self.pg_start()
+
+ # get output capture
+ self.logger.info("Getting packet capture")
+ capture = output.get_capture()
+
+ # assert nothing was captured on input interface
+ input.assert_nothing_captured()
+
+ # verify captured packets
+ self.verify_captured_pkts(output, capture, compare_func)
+
+ def create_packet_header_IPv6(self, dst):
+ """Create packet header: IPv6 header, UDP header
+
+ :param dst: IPv6 destination address
+
+ IPv6 source address is 1234::1
+ UDP source port and destination port are 1234
+ """
+
+ p = (IPv6(src='1234::1', dst=dst) /
+ UDP(sport=1234, dport=1234))
+ return p
+
+ def create_packet_header_IPv6_SRH(self, sidlist, segleft):
+ """Create packet header: IPv6 header with SRH, UDP header
+
+ :param list sidlist: segment list
+ :param int segleft: segments-left field value
+
+ IPv6 destination address is set to sidlist[segleft]
+ IPv6 source addresses are 1234::1 and 4321::1
+ UDP source port and destination port are 1234
+ """
+
+ p = (IPv6(src='1234::1', dst=sidlist[segleft]) /
+ IPv6ExtHdrSegmentRouting(addresses=sidlist) /
+ UDP(sport=1234, dport=1234))
+ return p
+
+ def create_packet_header_IPv6_SRH_IPv6(self, dst, sidlist, segleft):
+ """Create packet header: IPv6 encapsulated in SRv6:
+ IPv6 header with SRH, IPv6 header, UDP header
+
+ :param ipv6address dst: inner IPv6 destination address
+ :param list sidlist: segment list of outer IPv6 SRH
+ :param int segleft: segments-left field of outer IPv6 SRH
+
+ Outer IPv6 destination address is set to sidlist[segleft]
+ IPv6 source addresses are 1234::1 and 4321::1
+ UDP source port and destination port are 1234
+ """
+
+ p = (IPv6(src='1234::1', dst=sidlist[segleft]) /
+ IPv6ExtHdrSegmentRouting(addresses=sidlist,
+ segleft=segleft, nh=41) /
+ IPv6(src='4321::1', dst=dst) /
+ UDP(sport=1234, dport=1234))
+ return p
+
+ def create_packet_header_IPv6_IPv6(self, dst_inner, dst_outer):
+ """Create packet header: IPv6 encapsulated in IPv6:
+ IPv6 header, IPv6 header, UDP header
+
+ :param ipv6address dst_inner: inner IPv6 destination address
+ :param ipv6address dst_outer: outer IPv6 destination address
+
+ IPv6 source addresses are 1234::1 and 4321::1
+ UDP source port and destination port are 1234
+ """
+
+ p = (IPv6(src='1234::1', dst=dst_outer) /
+ IPv6(src='4321::1', dst=dst_inner) /
+ UDP(sport=1234, dport=1234))
+ return p
+
+ def create_packet_header_IPv6_SRH_SRH_IPv6(self, dst, sidlist1, segleft1,
+ sidlist2, segleft2):
+ """Create packet header: IPv6 encapsulated in SRv6 with 2 SRH:
+ IPv6 header with SRH, 2nd SRH, IPv6 header, UDP header
+
+ :param ipv6address dst: inner IPv6 destination address
+ :param list sidlist1: segment list of outer IPv6 SRH
+ :param int segleft1: segments-left field of outer IPv6 SRH
+ :param list sidlist2: segment list of inner IPv6 SRH
+ :param int segleft2: segments-left field of inner IPv6 SRH
+
+ Outer IPv6 destination address is set to sidlist[segleft]
+ IPv6 source addresses are 1234::1 and 4321::1
+ UDP source port and destination port are 1234
+ """
+
+ p = (IPv6(src='1234::1', dst=sidlist1[segleft1]) /
+ IPv6ExtHdrSegmentRouting(addresses=sidlist1,
+ segleft=segleft1, nh=43) /
+ IPv6ExtHdrSegmentRouting(addresses=sidlist2,
+ segleft=segleft2, nh=41) /
+ IPv6(src='4321::1', dst=dst) /
+ UDP(sport=1234, dport=1234))
+ return p
+
+ def create_packet_header_IPv4(self, dst):
+ """Create packet header: IPv4 header, UDP header
+
+ :param dst: IPv4 destination address
+
+ IPv4 source address is 123.1.1.1
+ UDP source port and destination port are 1234
+ """
+
+ p = (IP(src='123.1.1.1', dst=dst) /
+ UDP(sport=1234, dport=1234))
+ return p
+
+ def create_packet_header_IPv6_IPv4(self, dst_inner, dst_outer):
+ """Create packet header: IPv4 encapsulated in IPv6:
+ IPv6 header, IPv4 header, UDP header
+
+ :param ipv4address dst_inner: inner IPv4 destination address
+ :param ipv6address dst_outer: outer IPv6 destination address
+
+ IPv6 source address is 1234::1
+ IPv4 source address is 123.1.1.1
+ UDP source port and destination port are 1234
+ """
+
+ p = (IPv6(src='1234::1', dst=dst_outer) /
+ IP(src='123.1.1.1', dst=dst_inner) /
+ UDP(sport=1234, dport=1234))
+ return p
+
+ def create_packet_header_IPv6_SRH_IPv4(self, dst, sidlist, segleft):
+ """Create packet header: IPv4 encapsulated in SRv6:
+ IPv6 header with SRH, IPv4 header, UDP header
+
+ :param ipv4address dst: inner IPv4 destination address
+ :param list sidlist: segment list of outer IPv6 SRH
+ :param int segleft: segments-left field of outer IPv6 SRH
+
+ Outer IPv6 destination address is set to sidlist[segleft]
+ IPv6 source address is 1234::1
+ IPv4 source address is 123.1.1.1
+ UDP source port and destination port are 1234
+ """
+
+ p = (IPv6(src='1234::1', dst=sidlist[segleft]) /
+ IPv6ExtHdrSegmentRouting(addresses=sidlist,
+ segleft=segleft, nh=4) /
+ IP(src='123.1.1.1', dst=dst) /
+ UDP(sport=1234, dport=1234))
+ return p
+
+ def create_packet_header_L2(self, vlan=0):
+ """Create packet header: L2 header
+
+ :param vlan: if vlan!=0 then add 802.1q header
+ """
+ # Note: the dst addr ('00:55:44:33:22:11') is used in
+ # the compare function compare_rx_tx_packet_T_Encaps_L2
+ # to detect presence of L2 in SRH payload
+ p = Ether(src='00:11:22:33:44:55', dst='00:55:44:33:22:11')
+ etype = 0x8137 # IPX
+ if vlan:
+ # add 802.1q layer
+ p /= Dot1Q(vlan=vlan, type=etype)
+ else:
+ p.type = etype
+ return p
+
+ def create_packet_header_IPv6_SRH_L2(self, sidlist, segleft, vlan=0):
+ """Create packet header: L2 encapsulated in SRv6:
+ IPv6 header with SRH, L2
+
+ :param list sidlist: segment list of outer IPv6 SRH
+ :param int segleft: segments-left field of outer IPv6 SRH
+ :param vlan: L2 vlan; if vlan!=0 then add 802.1q header
+
+ Outer IPv6 destination address is set to sidlist[segleft]
+ IPv6 source address is 1234::1
+ """
+ eth = Ether(src='00:11:22:33:44:55', dst='00:55:44:33:22:11')
+ etype = 0x8137 # IPX
+ if vlan:
+ # add 802.1q layer
+ eth /= Dot1Q(vlan=vlan, type=etype)
+ else:
+ eth.type = etype
+
+ p = (IPv6(src='1234::1', dst=sidlist[segleft]) /
+ IPv6ExtHdrSegmentRouting(addresses=sidlist,
+ segleft=segleft, nh=59) /
+ eth)
+ return p
+
+ def create_packet_header_IPv6_L2(self, dst_outer, vlan=0):
+ """Create packet header: L2 encapsulated in IPv6:
+ IPv6 header, L2
+
+ :param ipv6address dst_outer: outer IPv6 destination address
+ :param vlan: L2 vlan; if vlan!=0 then add 802.1q header
+ """
+ eth = Ether(src='00:11:22:33:44:55', dst='00:55:44:33:22:11')
+ etype = 0x8137 # IPX
+ if vlan:
+ # add 802.1q layer
+ eth /= Dot1Q(vlan=vlan, type=etype)
+ else:
+ eth.type = etype
+
+ p = (IPv6(src='1234::1', dst=dst_outer, nh=59) / eth)
+ return p
+
+ def get_payload_info(self, packet):
+ """ Extract the payload_info from the packet
+ """
+ # in most cases, payload_info is in packet[Raw]
+ # but packet[Raw] gives the complete payload
+ # (incl L2 header) for the T.Encaps L2 case
+ try:
+ payload_info = self.payload_to_info(packet[Raw])
+
+ except:
+ # remote L2 header from packet[Raw]:
+ # take packet[Raw], convert it to an Ether layer
+ # and then extract Raw from it
+ payload_info = self.payload_to_info(
+ Ether(scapy.compat.r(packet[Raw]))[Raw])
+
+ return payload_info
+
+ def verify_captured_pkts(self, dst_if, capture, compare_func):
+ """
+ Verify captured packet stream for specified interface.
+ Compare ingress with egress packets using the specified compare fn
+
+ :param dst_if: egress interface of DUT
+ :param capture: captured packets
+ :param compare_func: function to compare in and out packet
+ """
+ self.logger.info("Verifying capture on interface %s using function %s"
+ % (dst_if.name, compare_func.__name__))
+
+ last_info = dict()
+ for i in self.pg_interfaces:
+ last_info[i.sw_if_index] = None
+ dst_sw_if_index = dst_if.sw_if_index
+
+ for packet in capture:
+ try:
+ # extract payload_info from packet's payload
+ payload_info = self.get_payload_info(packet)
+ packet_index = payload_info.index
+
+ self.logger.debug("Verifying packet with index %d"
+ % (packet_index))
+ # packet should have arrived on the expected interface
+ self.assertEqual(payload_info.dst, dst_sw_if_index)
+ self.logger.debug(
+ "Got packet on interface %s: src=%u (idx=%u)" %
+ (dst_if.name, payload_info.src, packet_index))
+
+ # search for payload_info with same src and dst if_index
+ # this will give us the transmitted packet
+ next_info = self.get_next_packet_info_for_interface2(
+ payload_info.src, dst_sw_if_index,
+ last_info[payload_info.src])
+ last_info[payload_info.src] = next_info
+ # next_info should not be None
+ self.assertTrue(next_info is not None)
+ # index of tx and rx packets should be equal
+ self.assertEqual(packet_index, next_info.index)
+ # data field of next_info contains the tx packet
+ txed_packet = next_info.data
+
+ self.logger.debug(ppp("Transmitted packet:",
+ txed_packet)) # ppp=Pretty Print Packet
+
+ self.logger.debug(ppp("Received packet:", packet))
+
+ # compare rcvd packet with expected packet using compare_func
+ compare_func(txed_packet, packet)
+
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ # have all expected packets arrived?
+ for i in self.pg_interfaces:
+ remaining_packet = self.get_next_packet_info_for_interface2(
+ i.sw_if_index, dst_sw_if_index, last_info[i.sw_if_index])
+ self.assertTrue(remaining_packet is None,
+ "Interface %s: Packet expected from interface %s "
+ "didn't arrive" % (dst_if.name, i.name))
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/src/plugins/srv6-am/test/vpp_srv6.py b/src/plugins/srv6-am/test/vpp_srv6.py
new file mode 120000
index 00000000000..78f756605fc
--- /dev/null
+++ b/src/plugins/srv6-am/test/vpp_srv6.py
@@ -0,0 +1 @@
+../../srv6-ad/test/vpp_srv6.py \ No newline at end of file
diff --git a/src/plugins/srv6-as/test/test_srv6_as.py b/src/plugins/srv6-as/test/test_srv6_as.py
new file mode 100755
index 00000000000..2be7865d5bd
--- /dev/null
+++ b/src/plugins/srv6-as/test/test_srv6_as.py
@@ -0,0 +1,889 @@
+#!/usr/bin/env python
+
+import unittest
+import binascii
+from socket import AF_INET6
+
+from framework import VppTestCase, VppTestRunner
+from vpp_ip_route import VppIpRoute, VppRoutePath, FibPathProto, VppIpTable
+from vpp_srv6 import SRv6LocalSIDBehaviors, VppSRv6LocalSID, VppSRv6Policy, \
+ SRv6PolicyType, VppSRv6Steering, SRv6PolicySteeringTypes
+
+import scapy.compat
+from scapy.packet import Raw
+from scapy.layers.l2 import Ether, Dot1Q
+from scapy.layers.inet6 import IPv6, UDP, IPv6ExtHdrSegmentRouting
+from scapy.layers.inet import IP, UDP
+
+from scapy.utils import inet_pton, inet_ntop
+
+from util import ppp
+
+
+class TestSRv6(VppTestCase):
+ """ SRv6 Static Proxy plugin Test Case """
+
+ @classmethod
+ def setUpClass(self):
+ super(TestSRv6, self).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestSRv6, cls).tearDownClass()
+
+ def setUp(self):
+ """ Perform test setup before each test case.
+ """
+ super(TestSRv6, self).setUp()
+
+ # packet sizes, inclusive L2 overhead
+ self.pg_packet_sizes = [64, 512, 1518, 9018]
+
+ # reset packet_infos
+ self.reset_packet_infos()
+
+ def tearDown(self):
+ """ Clean up test setup after each test case.
+ """
+ self.teardown_interfaces()
+
+ super(TestSRv6, self).tearDown()
+
+ def configure_interface(self,
+ interface,
+ ipv6=False, ipv4=False,
+ ipv6_table_id=0, ipv4_table_id=0):
+ """ Configure interface.
+ :param ipv6: configure IPv6 on interface
+ :param ipv4: configure IPv4 on interface
+ :param ipv6_table_id: FIB table_id for IPv6
+ :param ipv4_table_id: FIB table_id for IPv4
+ """
+ self.logger.debug("Configuring interface %s" % (interface.name))
+ if ipv6:
+ self.logger.debug("Configuring IPv6")
+ interface.set_table_ip6(ipv6_table_id)
+ interface.config_ip6()
+ interface.resolve_ndp(timeout=5)
+ if ipv4:
+ self.logger.debug("Configuring IPv4")
+ interface.set_table_ip4(ipv4_table_id)
+ interface.config_ip4()
+ interface.resolve_arp()
+ interface.admin_up()
+
+ def setup_interfaces(self, ipv6=[], ipv4=[],
+ ipv6_table_id=[], ipv4_table_id=[]):
+ """ Create and configure interfaces.
+
+ :param ipv6: list of interface IPv6 capabilities
+ :param ipv4: list of interface IPv4 capabilities
+ :param ipv6_table_id: list of intf IPv6 FIB table_ids
+ :param ipv4_table_id: list of intf IPv4 FIB table_ids
+ :returns: List of created interfaces.
+ """
+ # how many interfaces?
+ if len(ipv6):
+ count = len(ipv6)
+ else:
+ count = len(ipv4)
+ self.logger.debug("Creating and configuring %d interfaces" % (count))
+
+ # fill up ipv6 and ipv4 lists if needed
+ # not enabled (False) is the default
+ if len(ipv6) < count:
+ ipv6 += (count - len(ipv6)) * [False]
+ if len(ipv4) < count:
+ ipv4 += (count - len(ipv4)) * [False]
+
+ # fill up table_id lists if needed
+ # table_id 0 (global) is the default
+ if len(ipv6_table_id) < count:
+ ipv6_table_id += (count - len(ipv6_table_id)) * [0]
+ if len(ipv4_table_id) < count:
+ ipv4_table_id += (count - len(ipv4_table_id)) * [0]
+
+ # create 'count' pg interfaces
+ self.create_pg_interfaces(range(count))
+
+ # setup all interfaces
+ for i in range(count):
+ intf = self.pg_interfaces[i]
+ self.configure_interface(intf,
+ ipv6[i], ipv4[i],
+ ipv6_table_id[i], ipv4_table_id[i])
+
+ if any(ipv6):
+ self.logger.debug(self.vapi.cli("show ip6 neighbors"))
+ if any(ipv4):
+ self.logger.debug(self.vapi.cli("show ip arp"))
+ self.logger.debug(self.vapi.cli("show interface"))
+ self.logger.debug(self.vapi.cli("show hardware"))
+
+ return self.pg_interfaces
+
+ def teardown_interfaces(self):
+ """ Unconfigure and bring down interface.
+ """
+ self.logger.debug("Tearing down interfaces")
+ # tear down all interfaces
+ # AFAIK they cannot be deleted
+ for i in self.pg_interfaces:
+ self.logger.debug("Tear down interface %s" % (i.name))
+ i.admin_down()
+ i.unconfig()
+ i.set_table_ip4(0)
+ i.set_table_ip6(0)
+
+ def test_SRv6_End_AS_IPv6_noSRH(self):
+ """ Test SRv6 End.AS behavior with IPv6 traffic and no SRH rewrite.
+ """
+ self.run_SRv6_End_AS_IPv6(
+ sid_list=['a1::', 'a2::a6', 'a3::'],
+ test_sid_index=1,
+ rewrite_src_addr='a2::')
+
+ def test_SRv6_End_AS_IPv6_SRH(self):
+ """ Test SRv6 End.AS behavior with IPv6 traffic and SRH rewrite.
+ """
+ self.run_SRv6_End_AS_IPv6(
+ sid_list=['a1::a6', 'a2::', 'a3::'],
+ test_sid_index=0,
+ rewrite_src_addr='a1::')
+
+ def test_SRv6_End_AS_IPv4_noSRH(self):
+ """ Test SRv6 End.AS behavior with IPv4 traffic and no SRH rewrite.
+ """
+ self.run_SRv6_End_AS_IPv4(
+ sid_list=['a1::', 'a2::a6', 'a3::'],
+ test_sid_index=1,
+ rewrite_src_addr='a2::')
+
+ def test_SRv6_End_AS_IPv4_SRH(self):
+ """ Test SRv6 End.AS behavior with IPv4 traffic and SRH rewrite.
+ """
+ self.run_SRv6_End_AS_IPv4(
+ sid_list=['a1::a6', 'a2::', 'a3::'],
+ test_sid_index=0,
+ rewrite_src_addr='a1::')
+
+ def test_SRv6_End_AS_L2_noSRH(self):
+ """ Test SRv6 End.AS behavior with L2 traffic and no SRH rewrite.
+ """
+ self.run_SRv6_End_AS_L2(
+ sid_list=['a1::', 'a2::a6', 'a3::'],
+ test_sid_index=1,
+ rewrite_src_addr='a2::')
+
+ def test_SRv6_End_AS_L2_SRH(self):
+ """ Test SRv6 End.AS behavior with L2 traffic and SRH rewrite.
+ """
+ self.run_SRv6_End_AS_L2(
+ sid_list=['a1::a6', 'a2::', 'a3::'],
+ test_sid_index=0,
+ rewrite_src_addr='a1::')
+
+ def run_SRv6_End_AS_L2(self, sid_list, test_sid_index, rewrite_src_addr):
+ """ Run SRv6 End.AS test with L2 traffic.
+ """
+ self.rewrite_src_addr = rewrite_src_addr
+ self.rewrite_sid_list = sid_list[test_sid_index + 1::]
+
+ # send traffic to one destination interface
+ # source and destination interfaces are IPv6 only
+ self.setup_interfaces(ipv6=[True, False])
+
+ # configure route to next segment
+ route = VppIpRoute(self, sid_list[test_sid_index + 1], 128,
+ [VppRoutePath(self.pg0.remote_ip6,
+ self.pg0.sw_if_index)])
+ route.add_vpp_config()
+
+ # configure SRv6 localSID behavior
+ cli_str = "sr localsid address " + sid_list[test_sid_index] \
+ + " behavior end.as" \
+ + " oif " + self.pg1.name \
+ + " iif " + self.pg1.name \
+ + " src " + self.rewrite_src_addr
+ for s in self.rewrite_sid_list:
+ cli_str += " next " + s
+ self.vapi.cli(cli_str)
+
+ # log the localsids
+ self.logger.debug(self.vapi.cli("show sr localsid"))
+
+ # send one packet per packet size
+ count = len(self.pg_packet_sizes)
+
+ # prepare L2 in SRv6 headers
+ packet_header1 = self.create_packet_header_IPv6_SRH_L2(
+ sidlist=sid_list[::-1],
+ segleft=len(sid_list) - test_sid_index - 1,
+ vlan=0)
+
+ # generate packets (pg0->pg1)
+ pkts1 = self.create_stream(self.pg0, self.pg1, packet_header1,
+ self.pg_packet_sizes, count)
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg0, pkts1, self.pg1,
+ self.compare_rx_tx_packet_End_AS_L2_out)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # prepare L2 header for returning packets
+ packet_header2 = self.create_packet_header_L2()
+
+ # generate returning packets (pg1->pg0)
+ pkts2 = self.create_stream(self.pg1, self.pg0, packet_header2,
+ self.pg_packet_sizes, count)
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg1, pkts2, self.pg0,
+ self.compare_rx_tx_packet_End_AS_L2_in)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # remove SRv6 localSIDs
+ self.vapi.cli("sr localsid del address " + sid_list[test_sid_index])
+
+ # cleanup interfaces
+ self.teardown_interfaces()
+
+ def run_SRv6_End_AS_IPv6(self, sid_list, test_sid_index, rewrite_src_addr):
+ """ Run SRv6 End.AS test with IPv6 traffic.
+ """
+ self.rewrite_src_addr = rewrite_src_addr
+ self.rewrite_sid_list = sid_list[test_sid_index + 1::]
+
+ # send traffic to one destination interface
+ # source and destination interfaces are IPv6 only
+ self.setup_interfaces(ipv6=[True, True])
+
+ # configure route to next segment
+ route = VppIpRoute(self, sid_list[test_sid_index + 1], 128,
+ [VppRoutePath(self.pg0.remote_ip6,
+ self.pg0.sw_if_index)])
+ route.add_vpp_config()
+
+ # configure SRv6 localSID behavior
+ cli_str = "sr localsid address " + sid_list[test_sid_index] \
+ + " behavior end.as" \
+ + " nh " + self.pg1.remote_ip6 \
+ + " oif " + self.pg1.name \
+ + " iif " + self.pg1.name \
+ + " src " + self.rewrite_src_addr
+ for s in self.rewrite_sid_list:
+ cli_str += " next " + s
+ self.vapi.cli(cli_str)
+
+ # log the localsids
+ self.logger.debug(self.vapi.cli("show sr localsid"))
+
+ # send one packet per packet size
+ count = len(self.pg_packet_sizes)
+
+ # prepare IPv6 in SRv6 headers
+ packet_header1 = self.create_packet_header_IPv6_SRH_IPv6(
+ sidlist=sid_list[::-1],
+ segleft=len(sid_list) - test_sid_index - 1)
+
+ # generate packets (pg0->pg1)
+ pkts1 = self.create_stream(self.pg0, self.pg1, packet_header1,
+ self.pg_packet_sizes, count)
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg0, pkts1, self.pg1,
+ self.compare_rx_tx_packet_End_AS_IPv6_out)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # prepare IPv6 header for returning packets
+ packet_header2 = self.create_packet_header_IPv6()
+
+ # generate returning packets (pg1->pg0)
+ pkts2 = self.create_stream(self.pg1, self.pg0, packet_header2,
+ self.pg_packet_sizes, count)
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg1, pkts2, self.pg0,
+ self.compare_rx_tx_packet_End_AS_IPv6_in)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # remove SRv6 localSIDs
+ self.vapi.cli("sr localsid del address " + sid_list[test_sid_index])
+
+ # cleanup interfaces
+ self.teardown_interfaces()
+
+ def run_SRv6_End_AS_IPv4(self, sid_list, test_sid_index, rewrite_src_addr):
+ """ Run SRv6 End.AS test with IPv4 traffic.
+ """
+ self.rewrite_src_addr = rewrite_src_addr
+ self.rewrite_sid_list = sid_list[test_sid_index + 1::]
+
+ # send traffic to one destination interface
+ # source and destination interfaces are IPv6 only
+ self.setup_interfaces(ipv6=[True, False], ipv4=[True, True])
+
+ # configure route to next segment
+ route = VppIpRoute(self, sid_list[test_sid_index + 1], 128,
+ [VppRoutePath(self.pg0.remote_ip6,
+ self.pg0.sw_if_index)])
+ route.add_vpp_config()
+
+ # configure SRv6 localSID behavior
+ cli_str = "sr localsid address " + sid_list[test_sid_index] \
+ + " behavior end.as" \
+ + " nh " + self.pg1.remote_ip4 \
+ + " oif " + self.pg1.name \
+ + " iif " + self.pg1.name \
+ + " src " + self.rewrite_src_addr
+ for s in self.rewrite_sid_list:
+ cli_str += " next " + s
+ self.vapi.cli(cli_str)
+
+ # log the localsids
+ self.logger.debug(self.vapi.cli("show sr localsid"))
+
+ # send one packet per packet size
+ count = len(self.pg_packet_sizes)
+
+ # prepare IPv4 in SRv6 headers
+ packet_header1 = self.create_packet_header_IPv6_SRH_IPv4(
+ sidlist=sid_list[::-1],
+ segleft=len(sid_list) - test_sid_index - 1)
+
+ # generate packets (pg0->pg1)
+ pkts1 = self.create_stream(self.pg0, self.pg1, packet_header1,
+ self.pg_packet_sizes, count)
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg0, pkts1, self.pg1,
+ self.compare_rx_tx_packet_End_AS_IPv4_out)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # prepare IPv6 header for returning packets
+ packet_header2 = self.create_packet_header_IPv4()
+
+ # generate returning packets (pg1->pg0)
+ pkts2 = self.create_stream(self.pg1, self.pg0, packet_header2,
+ self.pg_packet_sizes, count)
+
+ # send packets and verify received packets
+ self.send_and_verify_pkts(self.pg1, pkts2, self.pg0,
+ self.compare_rx_tx_packet_End_AS_IPv4_in)
+
+ # log the localsid counters
+ self.logger.info(self.vapi.cli("show sr localsid"))
+
+ # remove SRv6 localSIDs
+ self.vapi.cli("sr localsid del address " + sid_list[test_sid_index])
+
+ # cleanup interfaces
+ self.teardown_interfaces()
+
+ def compare_rx_tx_packet_End_AS_IPv6_in(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing End.AS
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+
+ # get first (outer) IPv6 header of rx'ed packet
+ rx_ip = rx_pkt.getlayer(IPv6)
+ rx_srh = None
+
+ tx_ip = tx_pkt.getlayer(IPv6)
+
+ # expected segment-list (SRH order)
+ tx_seglist = self.rewrite_sid_list[::-1]
+
+ # received ip.src should be equal to SR Policy source
+ self.assertEqual(rx_ip.src, self.rewrite_src_addr)
+ # received ip.dst should be equal to expected sidlist[lastentry]
+ self.assertEqual(rx_ip.dst, tx_seglist[-1])
+
+ if len(tx_seglist) > 1:
+ # rx'ed packet should have SRH
+ self.assertTrue(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+ # get SRH
+ rx_srh = rx_pkt.getlayer(IPv6ExtHdrSegmentRouting)
+ # rx'ed seglist should be equal to expected seglist
+ self.assertEqual(rx_srh.addresses, tx_seglist)
+ # segleft should be equal to size expected seglist-1
+ self.assertEqual(rx_srh.segleft, len(tx_seglist)-1)
+ # segleft should be equal to lastentry
+ self.assertEqual(rx_srh.segleft, rx_srh.lastentry)
+ # get payload
+ payload = rx_srh.payload
+ else:
+ # rx'ed packet should NOT have SRH
+ self.assertFalse(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+ # get payload
+ payload = rx_ip.payload
+
+ # the whole rx'ed pkt beyond SRH should be equal to tx'ed pkt
+ # except for the hop-limit field
+ # -> update tx'ed hlim to the expected hlim
+ tx_ip.hlim = tx_ip.hlim - 1
+
+ self.assertEqual(payload, tx_ip)
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def compare_rx_tx_packet_End_AS_IPv4_in(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing End.AS
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+
+ # get first (outer) IPv6 header of rx'ed packet
+ rx_ip = rx_pkt.getlayer(IPv6)
+ rx_srh = None
+
+ tx_ip = tx_pkt.getlayer(IP)
+
+ # expected segment-list (SRH order)
+ tx_seglist = self.rewrite_sid_list[::-1]
+
+ # received ip.src should be equal to SR Policy source
+ self.assertEqual(rx_ip.src, self.rewrite_src_addr)
+ # received ip.dst should be equal to expected sidlist[lastentry]
+ self.assertEqual(rx_ip.dst, tx_seglist[-1])
+
+ if len(tx_seglist) > 1:
+ # rx'ed packet should have SRH and IPv4 header
+ self.assertTrue(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+ self.assertTrue(rx_ip.payload.haslayer(IP))
+ # get SRH
+ rx_srh = rx_pkt.getlayer(IPv6ExtHdrSegmentRouting)
+ # rx'ed seglist should be equal to seglist
+ self.assertEqual(rx_srh.addresses, tx_seglist)
+ # segleft should be equal to size seglist-1
+ self.assertEqual(rx_srh.segleft, len(tx_seglist)-1)
+ # segleft should be equal to lastentry
+ self.assertEqual(rx_srh.segleft, rx_srh.lastentry)
+ payload = rx_srh.payload
+ else:
+ # rx'ed packet should NOT have SRH
+ self.assertFalse(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+ # get payload
+ payload = rx_ip.payload
+
+ # the whole rx'ed pkt beyond SRH should be equal to tx'ed pkt
+ # except for the ttl field and ip checksum
+ # -> adjust tx'ed ttl to expected ttl
+ tx_ip.ttl = tx_ip.ttl - 1
+ # -> set tx'ed ip checksum to None and let scapy recompute
+ tx_ip.chksum = None
+ # read back the pkt (with str()) to force computing these fields
+ # probably other ways to accomplish this are possible
+ tx_ip = IP(scapy.compat.raw(tx_ip))
+
+ self.assertEqual(payload, tx_ip)
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def compare_rx_tx_packet_End_AS_L2_in(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing End.AS
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+
+ # get first (outer) IPv6 header of rx'ed packet
+ rx_ip = rx_pkt.getlayer(IPv6)
+ rx_srh = None
+
+ tx_ether = tx_pkt.getlayer(Ether)
+
+ # expected segment-list (SRH order)
+ tx_seglist = self.rewrite_sid_list[::-1]
+
+ # received ip.src should be equal to SR Policy source
+ self.assertEqual(rx_ip.src, self.rewrite_src_addr)
+ # received ip.dst should be equal to expected sidlist[lastentry]
+ self.assertEqual(rx_ip.dst, tx_seglist[-1])
+
+ if len(tx_seglist) > 1:
+ # rx'ed packet should have SRH
+ self.assertTrue(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+ # get SRH
+ rx_srh = rx_pkt.getlayer(IPv6ExtHdrSegmentRouting)
+ # rx'ed seglist should be equal to seglist
+ self.assertEqual(rx_srh.addresses, tx_seglist)
+ # segleft should be equal to size seglist-1
+ self.assertEqual(rx_srh.segleft, len(tx_seglist)-1)
+ # segleft should be equal to lastentry
+ self.assertEqual(rx_srh.segleft, rx_srh.lastentry)
+ # nh should be "No Next Header" (59)
+ self.assertEqual(rx_srh.nh, 59)
+ # get payload
+ payload = rx_srh.payload
+ else:
+ # rx'ed packet should NOT have SRH
+ self.assertFalse(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+ # get payload
+ payload = rx_ip.payload
+
+ # the whole rx'ed pkt beyond SRH should be equal to tx'ed pkt
+ self.assertEqual(Ether(scapy.compat.raw(payload)), tx_ether)
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def compare_rx_tx_packet_End_AS_IPv6_out(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing End.AS with IPv6
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+
+ # get first (outer) IPv6 header of rx'ed packet
+ rx_ip = rx_pkt.getlayer(IPv6)
+
+ tx_ip = tx_pkt.getlayer(IPv6)
+ tx_ip2 = tx_pkt.getlayer(IPv6, 2)
+
+ # verify if rx'ed packet has no SRH
+ self.assertFalse(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+
+ # the whole rx_ip pkt should be equal to tx_ip2
+ # except for the hlim field
+ # -> adjust tx'ed hlim to expected hlim
+ tx_ip2.hlim = tx_ip2.hlim - 1
+
+ self.assertEqual(rx_ip, tx_ip2)
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def compare_rx_tx_packet_End_AS_IPv4_out(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing End.AS with IPv4
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+
+ # get IPv4 header of rx'ed packet
+ rx_ip = rx_pkt.getlayer(IP)
+
+ tx_ip = tx_pkt.getlayer(IPv6)
+ tx_ip2 = tx_pkt.getlayer(IP)
+
+ # verify if rx'ed packet has no SRH
+ self.assertFalse(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+
+ # the whole rx_ip pkt should be equal to tx_ip2
+ # except for the ttl field and ip checksum
+ # -> adjust tx'ed ttl to expected ttl
+ tx_ip2.ttl = tx_ip2.ttl - 1
+ # -> set tx'ed ip checksum to None and let scapy recompute
+ tx_ip2.chksum = None
+ # read back the pkt (with str()) to force computing these fields
+ # probably other ways to accomplish this are possible
+ tx_ip2 = IP(scapy.compat.raw(tx_ip2))
+
+ self.assertEqual(rx_ip, tx_ip2)
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def compare_rx_tx_packet_End_AS_L2_out(self, tx_pkt, rx_pkt):
+ """ Compare input and output packet after passing End.AS with L2
+
+ :param tx_pkt: transmitted packet
+ :param rx_pkt: received packet
+ """
+
+ # get IPv4 header of rx'ed packet
+ rx_eth = rx_pkt.getlayer(Ether)
+
+ tx_ip = tx_pkt.getlayer(IPv6)
+ # we can't just get the 2nd Ether layer
+ # get the Raw content and dissect it as Ether
+ tx_eth1 = Ether(scapy.compat.raw(tx_pkt[Raw]))
+
+ # verify if rx'ed packet has no SRH
+ self.assertFalse(rx_pkt.haslayer(IPv6ExtHdrSegmentRouting))
+
+ # the whole rx_eth pkt should be equal to tx_eth1
+ self.assertEqual(rx_eth, tx_eth1)
+
+ self.logger.debug("packet verification: SUCCESS")
+
+ def create_stream(self, src_if, dst_if, packet_header, packet_sizes,
+ count):
+ """Create SRv6 input packet stream for defined interface.
+
+ :param VppInterface src_if: Interface to create packet stream for
+ :param VppInterface dst_if: destination interface of packet stream
+ :param packet_header: Layer3 scapy packet headers,
+ L2 is added when not provided,
+ Raw(payload) with packet_info is added
+ :param list packet_sizes: packet stream pckt sizes,sequentially applied
+ to packets in stream have
+ :param int count: number of packets in packet stream
+ :return: list of packets
+ """
+ self.logger.info("Creating packets")
+ pkts = []
+ for i in range(0, count-1):
+ payload_info = self.create_packet_info(src_if, dst_if)
+ self.logger.debug(
+ "Creating packet with index %d" % (payload_info.index))
+ payload = self.info_to_payload(payload_info)
+ # add L2 header if not yet provided in packet_header
+ if packet_header.getlayer(0).name == 'Ethernet':
+ p = (packet_header /
+ Raw(payload))
+ else:
+ p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
+ packet_header /
+ Raw(payload))
+ size = packet_sizes[i % len(packet_sizes)]
+ self.logger.debug("Packet size %d" % (size))
+ self.extend_packet(p, size)
+ # we need to store the packet with the automatic fields computed
+ # read back the dumped packet (with str())
+ # to force computing these fields
+ # probably other ways are possible
+ p = Ether(scapy.compat.raw(p))
+ payload_info.data = p.copy()
+ self.logger.debug(ppp("Created packet:", p))
+ pkts.append(p)
+ self.logger.info("Done creating packets")
+ return pkts
+
+ def send_and_verify_pkts(self, input, pkts, output, compare_func):
+ """Send packets and verify received packets using compare_func
+
+ :param input: ingress interface of DUT
+ :param pkts: list of packets to transmit
+ :param output: egress interface of DUT
+ :param compare_func: function to compare in and out packets
+ """
+ # add traffic stream to input interface
+ input.add_stream(pkts)
+
+ # enable capture on all interfaces
+ self.pg_enable_capture(self.pg_interfaces)
+
+ # start traffic
+ self.logger.info("Starting traffic")
+ self.pg_start()
+
+ # get output capture
+ self.logger.info("Getting packet capture")
+ capture = output.get_capture()
+
+ # assert nothing was captured on input interface
+ # input.assert_nothing_captured()
+
+ # verify captured packets
+ self.verify_captured_pkts(output, capture, compare_func)
+
+ def create_packet_header_IPv6(self):
+ """Create packet header: IPv6 header, UDP header
+
+ :param dst: IPv6 destination address
+
+ IPv6 source address is 1234::1
+ IPv6 destination address is 4321::1
+ UDP source port and destination port are 1234
+ """
+
+ p = (IPv6(src='1234::1', dst='4321::1') /
+ UDP(sport=1234, dport=1234))
+ return p
+
+ def create_packet_header_IPv6_SRH_IPv6(self, sidlist, segleft):
+ """Create packet header: IPv6 encapsulated in SRv6:
+ IPv6 header with SRH, IPv6 header, UDP header
+
+ :param list sidlist: segment list of outer IPv6 SRH
+ :param int segleft: segments-left field of outer IPv6 SRH
+
+ Outer IPv6 source address is set to 5678::1
+ Outer IPv6 destination address is set to sidlist[segleft]
+ IPv6 source addresses is 1234::1
+ IPv6 destination address is 4321::1
+ UDP source port and destination port are 1234
+ """
+
+ p = (IPv6(src='5678::1', dst=sidlist[segleft]) /
+ IPv6ExtHdrSegmentRouting(addresses=sidlist,
+ segleft=segleft, nh=41) /
+ IPv6(src='1234::1', dst='4321::1') /
+ UDP(sport=1234, dport=1234))
+ return p
+
+ def create_packet_header_IPv4(self):
+ """Create packet header: IPv4 header, UDP header
+
+ :param dst: IPv4 destination address
+
+ IPv4 source address is 123.1.1.1
+ IPv4 destination address is 124.1.1.1
+ UDP source port and destination port are 1234
+ """
+
+ p = (IP(src='123.1.1.1', dst='124.1.1.1') /
+ UDP(sport=1234, dport=1234))
+ return p
+
+ def create_packet_header_IPv6_SRH_IPv4(self, sidlist, segleft):
+ """Create packet header: IPv4 encapsulated in SRv6:
+ IPv6 header with SRH, IPv4 header, UDP header
+
+ :param ipv4address dst: inner IPv4 destination address
+ :param list sidlist: segment list of outer IPv6 SRH
+ :param int segleft: segments-left field of outer IPv6 SRH
+
+ Outer IPv6 destination address is set to sidlist[segleft]
+ IPv6 source address is 1234::1
+ IPv4 source address is 123.1.1.1
+ IPv4 destination address is 124.1.1.1
+ UDP source port and destination port are 1234
+ """
+
+ p = (IPv6(src='1234::1', dst=sidlist[segleft]) /
+ IPv6ExtHdrSegmentRouting(addresses=sidlist,
+ segleft=segleft, nh=4) /
+ IP(src='123.1.1.1', dst='124.1.1.1') /
+ UDP(sport=1234, dport=1234))
+ return p
+
+ def create_packet_header_L2(self, vlan=0):
+ """Create packet header: L2 header
+
+ :param vlan: if vlan!=0 then add 802.1q header
+ """
+ # Note: the dst addr ('00:55:44:33:22:11') is used in
+ # the compare function compare_rx_tx_packet_T_Encaps_L2
+ # to detect presence of L2 in SRH payload
+ p = Ether(src='00:11:22:33:44:55', dst='00:55:44:33:22:11')
+ etype = 0x8137 # IPX
+ if vlan:
+ # add 802.1q layer
+ p /= Dot1Q(vlan=vlan, type=etype)
+ else:
+ p.type = etype
+ return p
+
+ def create_packet_header_IPv6_SRH_L2(self, sidlist, segleft, vlan=0):
+ """Create packet header: L2 encapsulated in SRv6:
+ IPv6 header with SRH, L2
+
+ :param list sidlist: segment list of outer IPv6 SRH
+ :param int segleft: segments-left field of outer IPv6 SRH
+ :param vlan: L2 vlan; if vlan!=0 then add 802.1q header
+
+ Outer IPv6 destination address is set to sidlist[segleft]
+ IPv6 source address is 1234::1
+ """
+ eth = Ether(src='00:11:22:33:44:55', dst='00:55:44:33:22:11')
+ etype = 0x8137 # IPX
+ if vlan:
+ # add 802.1q layer
+ eth /= Dot1Q(vlan=vlan, type=etype)
+ else:
+ eth.type = etype
+
+ p = (IPv6(src='1234::1', dst=sidlist[segleft]) /
+ IPv6ExtHdrSegmentRouting(addresses=sidlist,
+ segleft=segleft, nh=59) /
+ eth)
+ return p
+
+ def get_payload_info(self, packet):
+ """ Extract the payload_info from the packet
+ """
+ # in most cases, payload_info is in packet[Raw]
+ # but packet[Raw] gives the complete payload
+ # (incl L2 header) for the T.Encaps L2 case
+ try:
+ payload_info = self.payload_to_info(packet[Raw])
+
+ except:
+ # remote L2 header from packet[Raw]:
+ # take packet[Raw], convert it to an Ether layer
+ # and then extract Raw from it
+ payload_info = self.payload_to_info(
+ Ether(scapy.compat.raw(packet[Raw]))[Raw])
+
+ return payload_info
+
+ def verify_captured_pkts(self, dst_if, capture, compare_func):
+ """
+ Verify captured packet stream for specified interface.
+ Compare ingress with egress packets using the specified compare fn
+
+ :param dst_if: egress interface of DUT
+ :param capture: captured packets
+ :param compare_func: function to compare in and out packet
+ """
+ self.logger.info("Verifying capture on interface %s using function %s"
+ % (dst_if.name, compare_func.__name__))
+
+ last_info = dict()
+ for i in self.pg_interfaces:
+ last_info[i.sw_if_index] = None
+ dst_sw_if_index = dst_if.sw_if_index
+
+ for packet in capture:
+ try:
+ # extract payload_info from packet's payload
+ payload_info = self.get_payload_info(packet)
+ packet_index = payload_info.index
+
+ self.logger.debug("Verifying packet with index %d"
+ % (packet_index))
+ # packet should have arrived on the expected interface
+ self.assertEqual(payload_info.dst, dst_sw_if_index)
+ self.logger.debug(
+ "Got packet on interface %s: src=%u (idx=%u)" %
+ (dst_if.name, payload_info.src, packet_index))
+
+ # search for payload_info with same src and dst if_index
+ # this will give us the transmitted packet
+ next_info = self.get_next_packet_info_for_interface2(
+ payload_info.src, dst_sw_if_index,
+ last_info[payload_info.src])
+ last_info[payload_info.src] = next_info
+ # next_info should not be None
+ self.assertTrue(next_info is not None)
+ # index of tx and rx packets should be equal
+ self.assertEqual(packet_index, next_info.index)
+ # data field of next_info contains the tx packet
+ txed_packet = next_info.data
+
+ self.logger.debug(ppp("Transmitted packet:",
+ txed_packet)) # ppp=Pretty Print Packet
+
+ self.logger.debug(ppp("Received packet:", packet))
+
+ # compare rcvd packet with expected packet using compare_func
+ compare_func(txed_packet, packet)
+
+ except:
+ self.logger.error(ppp("Unexpected or invalid packet:", packet))
+ raise
+
+ # have all expected packets arrived?
+ for i in self.pg_interfaces:
+ remaining_packet = self.get_next_packet_info_for_interface2(
+ i.sw_if_index, dst_sw_if_index, last_info[i.sw_if_index])
+ self.assertTrue(remaining_packet is None,
+ "Interface %s: Packet expected from interface %s "
+ "didn't arrive" % (dst_if.name, i.name))
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)
diff --git a/src/plugins/srv6-as/test/vpp_srv6.py b/src/plugins/srv6-as/test/vpp_srv6.py
new file mode 120000
index 00000000000..78f756605fc
--- /dev/null
+++ b/src/plugins/srv6-as/test/vpp_srv6.py
@@ -0,0 +1 @@
+../../srv6-ad/test/vpp_srv6.py \ No newline at end of file
diff --git a/src/plugins/svs/test/test_svs.py b/src/plugins/svs/test/test_svs.py
new file mode 100644
index 00000000000..9a9ac57016b
--- /dev/null
+++ b/src/plugins/svs/test/test_svs.py
@@ -0,0 +1,322 @@
+#!/usr/bin/env python
+
+import unittest
+
+from framework import VppTestCase, VppTestRunner
+from vpp_ip_route import VppIpTable
+
+from scapy.packet import Raw
+from scapy.layers.l2 import Ether
+from scapy.layers.inet import IP, UDP, ICMP
+from scapy.layers.inet6 import IPv6
+
+from vpp_papi import VppEnum
+
+NUM_PKTS = 67
+
+
+class TestSVS(VppTestCase):
+ """ SVS Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestSVS, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestSVS, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestSVS, self).setUp()
+
+ # create 2 pg interfaces
+ self.create_pg_interfaces(range(4))
+
+ table_id = 0
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+
+ if table_id != 0:
+ tbl = VppIpTable(self, table_id)
+ tbl.add_vpp_config()
+ tbl = VppIpTable(self, table_id, is_ip6=1)
+ tbl.add_vpp_config()
+
+ i.set_table_ip4(table_id)
+ i.set_table_ip6(table_id)
+ i.config_ip4()
+ i.resolve_arp()
+ i.config_ip6()
+ i.resolve_ndp()
+ table_id += 1
+
+ def tearDown(self):
+ for i in self.pg_interfaces:
+ i.unconfig_ip4()
+ i.unconfig_ip6()
+ i.ip6_disable()
+ i.set_table_ip4(0)
+ i.set_table_ip6(0)
+ i.admin_down()
+ super(TestSVS, self).tearDown()
+
+ def test_svs4(self):
+ """ Source VRF Select IP4 """
+
+ #
+ # packets destined out of the 3 non-default table interfaces
+ #
+ pkts_0 = [(Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src="1.1.1.1", dst=self.pg1.remote_ip4) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src="2.2.2.2", dst=self.pg2.remote_ip4) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src="3.3.3.3", dst=self.pg3.remote_ip4) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))]
+ pkts_1 = [(Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IP(src="1.1.1.1", dst=self.pg1.remote_ip4) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IP(src="2.2.2.2", dst=self.pg2.remote_ip4) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IP(src="3.3.3.3", dst=self.pg3.remote_ip4) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))]
+
+ #
+ # before adding the SVS config all these packets are dropped when
+ # ingressing on pg0 since pg0 is in the default table
+ #
+ for p in pkts_0:
+ self.send_and_assert_no_replies(self.pg0, p * 1)
+
+ #
+ # Add table 1001 & 1002 into which we'll add the routes
+ # determining the source VRF selection
+ #
+ table_ids = [101, 102]
+
+ for table_id in table_ids:
+ self.vapi.svs_table_add_del(
+ VppEnum.vl_api_address_family_t.ADDRESS_IP4, table_id)
+
+ #
+ # map X.0.0.0/8 to each SVS table for lookup in table X
+ #
+ for i in range(1, 4):
+ self.vapi.svs_route_add_del(
+ table_id, "%d.0.0.0/8" % i, i)
+
+ #
+ # Enable SVS on pg0/pg1 using table 1001/1002
+ #
+ self.vapi.svs_enable_disable(
+ VppEnum.vl_api_address_family_t.ADDRESS_IP4, table_ids[0],
+ self.pg0.sw_if_index)
+ self.vapi.svs_enable_disable(
+ VppEnum.vl_api_address_family_t.ADDRESS_IP4, table_ids[1],
+ self.pg1.sw_if_index)
+
+ #
+ # now all the packets should be delivered out the respective interface
+ #
+ self.send_and_expect(self.pg0, pkts_0[0] * NUM_PKTS, self.pg1)
+ self.send_and_expect(self.pg0, pkts_0[1] * NUM_PKTS, self.pg2)
+ self.send_and_expect(self.pg0, pkts_0[2] * NUM_PKTS, self.pg3)
+ self.send_and_expect(self.pg1, pkts_1[0] * NUM_PKTS, self.pg1)
+ self.send_and_expect(self.pg1, pkts_1[1] * NUM_PKTS, self.pg2)
+ self.send_and_expect(self.pg1, pkts_1[2] * NUM_PKTS, self.pg3)
+
+ #
+ # check that if the SVS lookup does not match a route the packet
+ # is forwarded using the interface's routing table
+ #
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg0.remote_ip4) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg0)
+
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IP(src=self.pg1.remote_ip4, dst=self.pg1.remote_ip4) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ self.send_and_expect(self.pg1, p * NUM_PKTS, self.pg1)
+
+ #
+ # dump the SVS configs
+ #
+ ss = self.vapi.svs_dump()
+
+ self.assertEqual(ss[0].table_id, table_ids[0])
+ self.assertEqual(ss[0].sw_if_index, self.pg0.sw_if_index)
+ self.assertEqual(ss[0].af, VppEnum.vl_api_address_family_t.ADDRESS_IP4)
+ self.assertEqual(ss[1].table_id, table_ids[1])
+ self.assertEqual(ss[1].sw_if_index, self.pg1.sw_if_index)
+ self.assertEqual(ss[1].af, VppEnum.vl_api_address_family_t.ADDRESS_IP4)
+
+ #
+ # cleanup
+ #
+ self.vapi.svs_enable_disable(
+ VppEnum.vl_api_address_family_t.ADDRESS_IP4,
+ table_ids[0],
+ self.pg0.sw_if_index,
+ is_enable=0)
+ self.vapi.svs_enable_disable(
+ VppEnum.vl_api_address_family_t.ADDRESS_IP4,
+ table_ids[1],
+ self.pg1.sw_if_index,
+ is_enable=0)
+
+ for table_id in table_ids:
+ for i in range(1, 4):
+ self.vapi.svs_route_add_del(
+ table_id, "%d.0.0.0/8" % i,
+ 0, is_add=0)
+ self.vapi.svs_table_add_del(
+ VppEnum.vl_api_address_family_t.ADDRESS_IP4,
+ table_id,
+ is_add=0)
+
+ def test_svs6(self):
+ """ Source VRF Select IP6 """
+
+ #
+ # packets destined out of the 3 non-default table interfaces
+ #
+ pkts_0 = [(Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src="2001:1::1", dst=self.pg1.remote_ip6) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src="2001:2::1", dst=self.pg2.remote_ip6) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src="2001:3::1", dst=self.pg3.remote_ip6) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))]
+ pkts_1 = [(Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IPv6(src="2001:1::1", dst=self.pg1.remote_ip6) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IPv6(src="2001:2::1", dst=self.pg2.remote_ip6) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100)),
+ (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IPv6(src="2001:3::1", dst=self.pg3.remote_ip6) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))]
+
+ #
+ # before adding the SVS config all these packets are dropped when
+ # ingressing on pg0 since pg0 is in the default table
+ #
+ for p in pkts_0:
+ self.send_and_assert_no_replies(self.pg0, p * 1)
+
+ #
+ # Add table 1001 & 1002 into which we'll add the routes
+ # determining the source VRF selection
+ #
+ table_ids = [101, 102]
+
+ for table_id in table_ids:
+ self.vapi.svs_table_add_del(
+ VppEnum.vl_api_address_family_t.ADDRESS_IP6, table_id)
+
+ #
+ # map X.0.0.0/8 to each SVS table for lookup in table X
+ #
+ for i in range(1, 4):
+ self.vapi.svs_route_add_del(
+ table_id, "2001:%d::/32" % i,
+ i)
+
+ #
+ # Enable SVS on pg0/pg1 using table 1001/1002
+ #
+ self.vapi.svs_enable_disable(
+ VppEnum.vl_api_address_family_t.ADDRESS_IP6,
+ table_ids[0],
+ self.pg0.sw_if_index)
+ self.vapi.svs_enable_disable(
+ VppEnum.vl_api_address_family_t.ADDRESS_IP6,
+ table_ids[1],
+ self.pg1.sw_if_index)
+
+ #
+ # now all the packets should be delivered out the respective interface
+ #
+ self.send_and_expect(self.pg0, pkts_0[0] * NUM_PKTS, self.pg1)
+ self.send_and_expect(self.pg0, pkts_0[1] * NUM_PKTS, self.pg2)
+ self.send_and_expect(self.pg0, pkts_0[2] * NUM_PKTS, self.pg3)
+ self.send_and_expect(self.pg1, pkts_1[0] * NUM_PKTS, self.pg1)
+ self.send_and_expect(self.pg1, pkts_1[1] * NUM_PKTS, self.pg2)
+ self.send_and_expect(self.pg1, pkts_1[2] * NUM_PKTS, self.pg3)
+
+ #
+ # check that if the SVS lookup does not match a route the packet
+ # is forwarded using the interface's routing table
+ #
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IPv6(src=self.pg0.remote_ip6, dst=self.pg0.remote_ip6) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ self.send_and_expect(self.pg0, p * NUM_PKTS, self.pg0)
+
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IPv6(src=self.pg1.remote_ip6, dst=self.pg1.remote_ip6) /
+ UDP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ self.send_and_expect(self.pg1, p * NUM_PKTS, self.pg1)
+
+ #
+ # dump the SVS configs
+ #
+ ss = self.vapi.svs_dump()
+
+ self.assertEqual(ss[0].table_id, table_ids[0])
+ self.assertEqual(ss[0].sw_if_index, self.pg0.sw_if_index)
+ self.assertEqual(ss[0].af, VppEnum.vl_api_address_family_t.ADDRESS_IP6)
+ self.assertEqual(ss[1].table_id, table_ids[1])
+ self.assertEqual(ss[1].sw_if_index, self.pg1.sw_if_index)
+ self.assertEqual(ss[1].af, VppEnum.vl_api_address_family_t.ADDRESS_IP6)
+
+ #
+ # cleanup
+ #
+ self.vapi.svs_enable_disable(
+ VppEnum.vl_api_address_family_t.ADDRESS_IP6,
+ table_ids[0],
+ self.pg0.sw_if_index,
+ is_enable=0)
+ self.vapi.svs_enable_disable(
+ VppEnum.vl_api_address_family_t.ADDRESS_IP6,
+ table_ids[1],
+ self.pg1.sw_if_index,
+ is_enable=0)
+ for table_id in table_ids:
+ for i in range(1, 4):
+ self.vapi.svs_route_add_del(
+ table_id, "2001:%d::/32" % i,
+ 0, is_add=0)
+ self.vapi.svs_table_add_del(
+ VppEnum.vl_api_address_family_t.ADDRESS_IP6,
+ table_id,
+ is_add=0)
+
+
+if __name__ == '__main__':
+ unittest.main(testRunner=VppTestRunner)