MAP: Move MAP-E/T to a plugin.

Only remaining traces of MAP in the src/vnet is now in buffer.h.
Awaiting a new buffer opaque API (hint, hint).

Change-Id: Ie165561484731f1d7ed6e0f604b43624e06db3f0
Signed-off-by: Ole Troan <ot@cisco.com>

1 files changed, 504 insertions, 0 deletions

diff --git a/src/plugins/map/map_test.c b/src/plugins/map/map_test.c
new file mode 100644
index 00000000000..bb69cbcd29d
--- /dev/null
+++ b/src/plugins/map/map_test.c
@@ -0,0 +1,504 @@
+/*
+ * Copyright (c) 2018 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.
+ */
+/*
+ *------------------------------------------------------------------
+ * map_test.c - test harness plugin
+ *------------------------------------------------------------------
+ */
+
+#include <vat/vat.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vppinfra/error.h>
+#include <vnet/ip/ip.h>
+
+#define __plugin_msg_base map_test_main.msg_id_base
+#include <vlibapi/vat_helper_macros.h>
+
+/* Declare message IDs */
+#include <map/map_msg_enum.h>
+
+/* Get CRC codes of the messages defined outside of this plugin */
+#define vl_msg_name_crc_list
+#include <vpp/api/vpe_all_api_h.h>
+#undef vl_msg_name_crc_list
+
+/* define message structures */
+#define vl_typedefs
+#include <vpp/api/vpe_all_api_h.h>
+#include <map/map_all_api_h.h> 
+#undef vl_typedefs
+
+/* declare message handlers for each api */
+
+#define vl_endianfun             /* define message structures */
+#include <map/map_all_api_h.h> 
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...)
+#define vl_printfun
+#include <map/map_all_api_h.h> 
+#undef vl_printfun
+
+/* Get the API version number. */
+#define vl_api_version(n,v) static u32 api_version=(v);
+#include <map/map_all_api_h.h>
+#undef vl_api_version
+
+typedef struct {
+  /* API message ID base */
+  u16 msg_id_base;
+  u32 ping_id;
+  vat_main_t *vat_main;
+} map_test_main_t;
+
+map_test_main_t map_test_main;
+
+#define foreach_standard_reply_retval_handler   \
+_(map_del_domain_reply)				\
+_(map_add_del_rule_reply)
+
+#define _(n)								\
+    static void vl_api_##n##_t_handler					\
+    (vl_api_##n##_t * mp)						\
+    {									\
+        vat_main_t * vam = map_test_main.vat_main;			\
+        i32 retval = ntohl(mp->retval);					\
+	if (vam->json_output) {						\
+	  vat_json_node_t node;						\
+	  vat_json_init_object (&node);					\
+	  vat_json_object_add_int (&node, "retval", ntohl (mp->retval)); \
+	  vat_json_print (vam->ofp, &node);				\
+	  vat_json_free (&node);					\
+	  return;							\
+	}								\
+        if (vam->async_mode) {						\
+            vam->async_errors += (retval < 0);				\
+        } else {							\
+            vam->retval = retval;					\
+            vam->result_ready = 1;					\
+        }								\
+    }
+foreach_standard_reply_retval_handler;
+#undef _
+
+/* 
+ * Table of message reply handlers, must include boilerplate handlers
+ * we just generated
+ */
+#define foreach_vpe_api_reply_msg			\
+_(MAP_ADD_DOMAIN_REPLY, map_add_domain_reply)		\
+_(MAP_DEL_DOMAIN_REPLY, map_del_domain_reply)		\
+_(MAP_ADD_DEL_RULE_REPLY, map_add_del_rule_reply)	\
+_(MAP_DOMAIN_DETAILS, map_domain_details)
+
+static int
+api_map_add_domain (vat_main_t * vam)
+{
+  unformat_input_t *i = vam->input;
+  vl_api_map_add_domain_t *mp;
+
+  ip4_address_t ip4_prefix;
+  ip6_address_t ip6_prefix;
+  ip6_address_t ip6_src;
+  u32 num_m_args = 0;
+  u32 ip6_prefix_len = 0, ip4_prefix_len = 0, ea_bits_len = 0, psid_offset =
+    0, psid_length = 0;
+  u8 is_translation = 0;
+  u32 mtu = 0;
+  u32 ip6_src_len = 128;
+  int ret;
+
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "ip4-pfx %U/%d", unformat_ip4_address,
+                   &ip4_prefix, &ip4_prefix_len))
+       num_m_args++;
+      else if (unformat (i, "ip6-pfx %U/%d", unformat_ip6_address,
+                        &ip6_prefix, &ip6_prefix_len))
+       num_m_args++;
+      else
+       if (unformat
+           (i, "ip6-src %U/%d", unformat_ip6_address, &ip6_src,
+            &ip6_src_len))
+       num_m_args++;
+      else if (unformat (i, "ip6-src %U", unformat_ip6_address, &ip6_src))
+       num_m_args++;
+      else if (unformat (i, "ea-bits-len %d", &ea_bits_len))
+       num_m_args++;
+      else if (unformat (i, "psid-offset %d", &psid_offset))
+       num_m_args++;
+      else if (unformat (i, "psid-len %d", &psid_length))
+       num_m_args++;
+      else if (unformat (i, "mtu %d", &mtu))
+       num_m_args++;
+      else if (unformat (i, "map-t"))
+       is_translation = 1;
+      else
+       {
+         clib_warning ("parse error '%U'", format_unformat_error, i);
+         return -99;
+       }
+    }
+
+  if (num_m_args < 3)
+    {
+      errmsg ("mandatory argument(s) missing");
+      return -99;
+    }
+
+  /* Construct the API message */
+  M (MAP_ADD_DOMAIN, mp);
+
+  clib_memcpy (mp->ip4_prefix, &ip4_prefix, sizeof (ip4_prefix));
+  mp->ip4_prefix_len = ip4_prefix_len;
+
+  clib_memcpy (mp->ip6_prefix, &ip6_prefix, sizeof (ip6_prefix));
+  mp->ip6_prefix_len = ip6_prefix_len;
+
+  clib_memcpy (mp->ip6_src, &ip6_src, sizeof (ip6_src));
+  mp->ip6_src_prefix_len = ip6_src_len;
+
+  mp->ea_bits_len = ea_bits_len;
+  mp->psid_offset = psid_offset;
+  mp->psid_length = psid_length;
+  mp->is_translation = is_translation;
+  mp->mtu = htons (mtu);
+
+  /* send it... */
+  S (mp);
+
+  /* Wait for a reply, return good/bad news  */
+  W (ret);
+  return ret;
+}
+static int
+api_map_del_domain (vat_main_t * vam)
+{
+  unformat_input_t *i = vam->input;
+  vl_api_map_del_domain_t *mp;
+
+  u32 num_m_args = 0;
+  u32 index;
+  int ret;
+
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "index %d", &index))
+       num_m_args++;
+      else
+       {
+         clib_warning ("parse error '%U'", format_unformat_error, i);
+         return -99;
+       }
+    }
+
+  if (num_m_args != 1)
+    {
+      errmsg ("mandatory argument(s) missing");
+      return -99;
+    }
+
+  /* Construct the API message */
+  M (MAP_DEL_DOMAIN, mp);
+
+  mp->index = ntohl (index);
+
+  /* send it... */
+  S (mp);
+
+  /* Wait for a reply, return good/bad news  */
+  W (ret);
+  return ret;
+}
+
+static int
+api_map_add_del_rule (vat_main_t * vam)
+{
+  unformat_input_t *i = vam->input;
+  vl_api_map_add_del_rule_t *mp;
+  u8 is_add = 1;
+  ip6_address_t ip6_dst;
+  u32 num_m_args = 0, index, psid = 0;
+  int ret;
+
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "index %d", &index))
+       num_m_args++;
+      else if (unformat (i, "psid %d", &psid))
+       num_m_args++;
+      else if (unformat (i, "dst %U", unformat_ip6_address, &ip6_dst))
+       num_m_args++;
+      else if (unformat (i, "del"))
+       {
+         is_add = 0;
+       }
+      else
+       {
+         clib_warning ("parse error '%U'", format_unformat_error, i);
+         return -99;
+       }
+    }
+
+  /* Construct the API message */
+  M (MAP_ADD_DEL_RULE, mp);
+
+  mp->index = ntohl (index);
+  mp->is_add = is_add;
+  clib_memcpy (mp->ip6_dst, &ip6_dst, sizeof (ip6_dst));
+  mp->psid = ntohs (psid);
+
+  /* send it... */
+  S (mp);
+
+  /* Wait for a reply, return good/bad news  */
+  W (ret);
+  return ret;
+}
+static int
+api_map_domain_dump (vat_main_t * vam)
+{
+  map_test_main_t *mm = &map_test_main;
+  vl_api_map_domain_dump_t *mp;
+  vl_api_control_ping_t *mp_ping;
+  int ret;
+
+  /* Construct the API message */
+  M (MAP_DOMAIN_DUMP, mp);
+
+  /* send it... */
+  S (mp);
+
+  /* Use a control ping for synchronization */
+  mp_ping = vl_msg_api_alloc_as_if_client (sizeof (*mp_ping));
+  mp_ping->_vl_msg_id = htons (mm->ping_id);
+  mp_ping->client_index = vam->my_client_index;
+
+  fformat (vam->ofp, "Sending ping id=%d\n", mm->ping_id);
+
+  vam->result_ready = 0;
+  S (mp_ping);
+
+  W (ret);
+
+  return ret;
+}
+
+static int
+api_map_rule_dump (vat_main_t * vam)
+{
+  map_test_main_t *mm = &map_test_main;
+  unformat_input_t *i = vam->input;
+  vl_api_map_rule_dump_t *mp;
+  vl_api_control_ping_t *mp_ping;
+  u32 domain_index = ~0;
+  int ret;
+
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "index %u", &domain_index))
+       ;
+      else
+       break;
+    }
+
+  if (domain_index == ~0)
+    {
+      clib_warning ("parse error: domain index expected");
+      return -99;
+    }
+
+  /* Construct the API message */
+  M (MAP_RULE_DUMP, mp);
+
+  mp->domain_index = htonl (domain_index);
+
+  /* send it... */
+  S (mp);
+
+  /* Use a control ping for synchronization */
+  /* Use a control ping for synchronization */
+  mp_ping = vl_msg_api_alloc_as_if_client (sizeof (*mp_ping));
+  mp_ping->_vl_msg_id = htons (mm->ping_id);
+  mp_ping->client_index = vam->my_client_index;
+
+  vam->result_ready = 0;
+  S (mp_ping);
+
+  W (ret);
+  return ret;
+}
+
+static void vl_api_map_add_domain_reply_t_handler
+  (vl_api_map_add_domain_reply_t * mp)
+{
+  vat_main_t *vam = &vat_main;
+  i32 retval = ntohl (mp->retval);
+
+  if (vam->json_output) {
+    vat_json_node_t node;
+    vat_json_init_object (&node);
+    vat_json_object_add_int (&node, "retval", ntohl (mp->retval));
+    vat_json_object_add_uint (&node, "index", ntohl (mp->index));
+    vat_json_print (vam->ofp, &node);
+    vat_json_free (&node);
+  }
+
+  if (vam->async_mode)
+    {
+      vam->async_errors += (retval < 0);
+    }
+  else
+    {
+      vam->retval = retval;
+      vam->result_ready = 1;
+    }
+}
+
+static void vl_api_map_domain_details_t_handler_json
+  (vl_api_map_domain_details_t * mp)
+{
+  vat_json_node_t *node = NULL;
+  vat_main_t *vam = &vat_main;
+  struct in6_addr ip6;
+  struct in_addr ip4;
+
+  if (VAT_JSON_ARRAY != vam->json_tree.type)
+    {
+      ASSERT (VAT_JSON_NONE == vam->json_tree.type);
+      vat_json_init_array (&vam->json_tree);
+    }
+
+  node = vat_json_array_add (&vam->json_tree);
+  vat_json_init_object (node);
+
+  vat_json_object_add_uint (node, "domain_index",
+                           clib_net_to_host_u32 (mp->domain_index));
+  clib_memcpy (&ip6, mp->ip6_prefix, sizeof (ip6));
+  vat_json_object_add_ip6 (node, "ip6_prefix", ip6);
+  clib_memcpy (&ip4, mp->ip4_prefix, sizeof (ip4));
+  vat_json_object_add_ip4 (node, "ip4_prefix", ip4);
+  clib_memcpy (&ip6, mp->ip6_src, sizeof (ip6));
+  vat_json_object_add_ip6 (node, "ip6_src", ip6);
+  vat_json_object_add_int (node, "ip6_prefix_len", mp->ip6_prefix_len);
+  vat_json_object_add_int (node, "ip4_prefix_len", mp->ip4_prefix_len);
+  vat_json_object_add_int (node, "ip6_src_len", mp->ip6_src_len);
+  vat_json_object_add_int (node, "ea_bits_len", mp->ea_bits_len);
+  vat_json_object_add_int (node, "psid_offset", mp->psid_offset);
+  vat_json_object_add_int (node, "psid_length", mp->psid_length);
+  vat_json_object_add_uint (node, "flags", mp->flags);
+  vat_json_object_add_uint (node, "mtu", clib_net_to_host_u16 (mp->mtu));
+  vat_json_object_add_int (node, "is_translation", mp->is_translation);
+}
+
+static void vl_api_map_domain_details_t_handler
+  (vl_api_map_domain_details_t * mp)
+{
+  vat_main_t *vam = &vat_main;
+
+  if (vam->json_output)
+    return vl_api_map_domain_details_t_handler_json (mp);
+
+  if (mp->is_translation)
+    {
+      print (vam->ofp,
+            "* %U/%d (ipv4-prefix) %U/%d (ipv6-prefix) %U/%d (ip6-src) index: %u",
+            format_ip4_address, mp->ip4_prefix, mp->ip4_prefix_len,
+            format_ip6_address, mp->ip6_prefix, mp->ip6_prefix_len,
+            format_ip6_address, mp->ip6_src, mp->ip6_src_len,
+            clib_net_to_host_u32 (mp->domain_index));
+    }
+  else
+    {
+      print (vam->ofp,
+            "* %U/%d (ipv4-prefix) %U/%d (ipv6-prefix) %U (ip6-src) index: %u",
+            format_ip4_address, mp->ip4_prefix, mp->ip4_prefix_len,
+            format_ip6_address, mp->ip6_prefix, mp->ip6_prefix_len,
+            format_ip6_address, mp->ip6_src,
+            clib_net_to_host_u32 (mp->domain_index));
+    }
+  print (vam->ofp, "  ea-len %d psid-offset %d psid-len %d mtu %d %s",
+        mp->ea_bits_len, mp->psid_offset, mp->psid_length, mp->mtu,
+        mp->is_translation ? "map-t" : "");
+}
+
+/* 
+ * List of messages that the api test plugin sends,
+ * and that the data plane plugin processes
+ */
+#define foreach_vpe_api_msg				\
+_(map_add_domain,					\
+  "ip4-pfx <ip4pfx> ip6-pfx <ip6pfx> "			\
+  "ip6-src <ip6addr> "					\
+  "ea-bits-len <n> psid-offset <n> psid-len <n>")	\
+_(map_del_domain, "index <n>")				\
+_(map_add_del_rule,					\
+  "index <n> psid <n> dst <ip6addr> [del]")		\
+_(map_domain_dump, "")					\
+_(map_rule_dump, "index <map-domain>")
+
+static void map_api_hookup (vat_main_t *vam)
+{
+    map_test_main_t * mm = &map_test_main;
+    /* Hook up handlers for replies from the data plane plug-in */
+#define _(N,n)                                                  \
+    vl_msg_api_set_handlers((VL_API_##N + mm->msg_id_base),     \
+                           #n,                                  \
+                           vl_api_##n##_t_handler,              \
+                           vl_noop_handler,                     \
+                           vl_api_##n##_t_endian,               \
+                           vl_api_##n##_t_print,                \
+                           sizeof(vl_api_##n##_t), 1); 
+    foreach_vpe_api_reply_msg;
+#undef _
+
+    /* API messages we can send */
+#define _(n,h) \
+    hash_set_mem (vam->function_by_name, #n, api_##n);
+    foreach_vpe_api_msg;
+#undef _    
+    
+    /* Help strings */
+#define _(n,h) hash_set_mem (vam->help_by_name, #n, h);
+    foreach_vpe_api_msg;
+#undef _
+}
+
+clib_error_t * vat_plugin_register (vat_main_t *vam)
+{
+  map_test_main_t * mm = &map_test_main;
+  u8 * name;
+
+  mm->vat_main = vam;
+
+  name = format (0, "map_%08x%c", api_version, 0);
+  mm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
+
+  /* Get the control ping ID */
+#define _(id,n,crc) \
+  const char *id ## _CRC __attribute__ ((unused)) = #n "_" #crc;
+  foreach_vl_msg_name_crc_vpe;
+#undef _
+  mm->ping_id = vl_msg_api_get_msg_index ((u8 *) (VL_API_CONTROL_PING_CRC));
+
+  if (mm->msg_id_base != (u16) ~0)
+    map_api_hookup (vam);
+
+  vec_free(name);
+
+  return 0;
+}