Reorganize source tree to use single autotools instance

Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 327 insertions, 0 deletions

diff --git a/src/vnet/lisp-gpe/lisp_gpe.c b/src/vnet/lisp-gpe/lisp_gpe.c
new file mode 100644
index 00000000000..fbda8687c3b
--- /dev/null
+++ b/src/vnet/lisp-gpe/lisp_gpe.c
@@ -0,0 +1,327 @@
+/*
+ * Copyright (c) 2016 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.
+ */
+/**
+ * @file
+ * @brief Common utility functions for IPv4, IPv6 and L2 LISP-GPE tunnels.
+ *
+ */
+
+#include <vnet/lisp-gpe/lisp_gpe.h>
+#include <vnet/lisp-gpe/lisp_gpe_fwd_entry.h>
+#include <vnet/lisp-gpe/lisp_gpe_adjacency.h>
+#include <vnet/lisp-gpe/lisp_gpe_tenant.h>
+
+/** LISP-GPE global state */
+lisp_gpe_main_t lisp_gpe_main;
+
+
+/** CLI command to add/del forwarding entry. */
+static clib_error_t *
+lisp_gpe_add_del_fwd_entry_command_fn (vlib_main_t * vm,
+				       unformat_input_t * input,
+				       vlib_cli_command_t * cmd)
+{
+  unformat_input_t _line_input, *line_input = &_line_input;
+  u8 is_add = 1;
+  ip_address_t lloc, rloc;
+  clib_error_t *error = 0;
+  gid_address_t _reid, *reid = &_reid, _leid, *leid = &_leid;
+  u8 reid_set = 0, leid_set = 0, is_negative = 0, vrf_set = 0, vni_set = 0;
+  u32 vni, vrf, action = ~0, p, w;
+  locator_pair_t pair, *pairs = 0;
+  int rv;
+
+  /* Get a line of input. */
+  if (!unformat_user (input, unformat_line_input, line_input))
+    return 0;
+
+  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (line_input, "del"))
+	is_add = 0;
+      else if (unformat (line_input, "add"))
+	is_add = 1;
+      else if (unformat (line_input, "leid %U", unformat_gid_address, leid))
+	{
+	  leid_set = 1;
+	}
+      else if (unformat (line_input, "reid %U", unformat_gid_address, reid))
+	{
+	  reid_set = 1;
+	}
+      else if (unformat (line_input, "vni %u", &vni))
+	{
+	  gid_address_vni (leid) = vni;
+	  gid_address_vni (reid) = vni;
+	  vni_set = 1;
+	}
+      else if (unformat (line_input, "vrf %u", &vrf))
+	{
+	  vrf_set = 1;
+	}
+      else if (unformat (line_input, "bd %u", &vrf))
+	{
+	  vrf_set = 1;
+	}
+      else if (unformat (line_input, "negative action %U",
+			 unformat_negative_mapping_action, &action))
+	{
+	  is_negative = 1;
+	}
+      else if (unformat (line_input, "loc-pair %U %U p %d w %d",
+			 unformat_ip_address, &lloc,
+			 unformat_ip_address, &rloc, &p, &w))
+	{
+	  pair.lcl_loc = lloc;
+	  pair.rmt_loc = rloc;
+	  pair.priority = p;
+	  pair.weight = w;
+	  vec_add1 (pairs, pair);
+	}
+      else
+	{
+	  error = unformat_parse_error (line_input);
+	  goto done;
+	}
+    }
+  unformat_free (line_input);
+
+  if (!vni_set || !vrf_set)
+    {
+      error = clib_error_return (0, "vni and vrf must be set!");
+      goto done;
+    }
+
+  if (!reid_set)
+    {
+      error = clib_error_return (0, "remote eid must be set!");
+      goto done;
+    }
+
+  if (is_negative)
+    {
+      if (~0 == action)
+	{
+	  error = clib_error_return (0, "no action set for negative tunnel!");
+	  goto done;
+	}
+    }
+  else
+    {
+      if (vec_len (pairs) == 0)
+	{
+	  error = clib_error_return (0, "expected ip4/ip6 locators.");
+	  goto done;
+	}
+    }
+
+  if (!leid_set)
+    {
+      /* if leid not set, make sure it's the same AFI like reid */
+      gid_address_type (leid) = gid_address_type (reid);
+      if (GID_ADDR_IP_PREFIX == gid_address_type (reid))
+	gid_address_ip_version (leid) = gid_address_ip_version (reid);
+    }
+
+  /* add fwd entry */
+  vnet_lisp_gpe_add_del_fwd_entry_args_t _a, *a = &_a;
+  memset (a, 0, sizeof (a[0]));
+
+  a->is_add = is_add;
+  a->is_negative = is_negative;
+  a->vni = vni;
+  a->table_id = vrf;
+  gid_address_copy (&a->lcl_eid, leid);
+  gid_address_copy (&a->rmt_eid, reid);
+  a->locator_pairs = pairs;
+
+  rv = vnet_lisp_gpe_add_del_fwd_entry (a, 0);
+  if (0 != rv)
+    {
+      error = clib_error_return (0, "failed to %s gpe tunnel!",
+				 is_add ? "add" : "delete");
+    }
+
+done:
+  vec_free (pairs);
+  return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_gpe_add_del_fwd_entry_command, static) = {
+  .path = "lisp gpe entry",
+  .short_help = "lisp gpe entry add/del vni <vni> vrf <vrf> [leid <leid>]"
+      "reid <reid> [loc-pair <lloc> <rloc> p <priority> w <weight>] "
+      "[negative action <action>]",
+  .function = lisp_gpe_add_del_fwd_entry_command_fn,
+};
+/* *INDENT-ON* */
+
+/** Check if LISP-GPE is enabled. */
+u8
+vnet_lisp_gpe_enable_disable_status (void)
+{
+  lisp_gpe_main_t *lgm = &lisp_gpe_main;
+
+  return lgm->is_en;
+}
+
+/** Enable/disable LISP-GPE. */
+clib_error_t *
+vnet_lisp_gpe_enable_disable (vnet_lisp_gpe_enable_disable_args_t * a)
+{
+  lisp_gpe_main_t *lgm = &lisp_gpe_main;
+
+  if (a->is_en)
+    {
+      lgm->is_en = 1;
+    }
+  else
+    {
+      /* remove all entries */
+      vnet_lisp_gpe_fwd_entry_flush ();
+
+      /* disable all l3 ifaces */
+      lisp_gpe_tenant_flush ();
+
+      lgm->is_en = 0;
+    }
+
+  return 0;
+}
+
+/** CLI command to enable/disable LISP-GPE. */
+static clib_error_t *
+lisp_gpe_enable_disable_command_fn (vlib_main_t * vm,
+				    unformat_input_t * input,
+				    vlib_cli_command_t * cmd)
+{
+  unformat_input_t _line_input, *line_input = &_line_input;
+  u8 is_en = 1;
+  vnet_lisp_gpe_enable_disable_args_t _a, *a = &_a;
+
+  /* Get a line of input. */
+  if (!unformat_user (input, unformat_line_input, line_input))
+    return 0;
+
+  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (line_input, "enable"))
+	is_en = 1;
+      else if (unformat (line_input, "disable"))
+	is_en = 0;
+      else
+	{
+	  return clib_error_return (0, "parse error: '%U'",
+				    format_unformat_error, line_input);
+	}
+    }
+  a->is_en = is_en;
+  return vnet_lisp_gpe_enable_disable (a);
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (enable_disable_lisp_gpe_command, static) = {
+  .path = "lisp gpe",
+  .short_help = "lisp gpe [enable|disable]",
+  .function = lisp_gpe_enable_disable_command_fn,
+};
+/* *INDENT-ON* */
+
+/** CLI command to show LISP-GPE interfaces. */
+static clib_error_t *
+lisp_show_iface_command_fn (vlib_main_t * vm,
+			    unformat_input_t * input,
+			    vlib_cli_command_t * cmd)
+{
+  lisp_gpe_main_t *lgm = &lisp_gpe_main;
+  hash_pair_t *p;
+
+  vlib_cli_output (vm, "%=10s%=12s", "vrf", "hw_if_index");
+
+  /* *INDENT-OFF* */
+  hash_foreach_pair (p, lgm->l3_ifaces.hw_if_index_by_dp_table, ({
+    vlib_cli_output (vm, "%=10d%=10d", p->key, p->value[0]);
+  }));
+  /* *INDENT-ON* */
+
+  if (0 != lgm->l2_ifaces.hw_if_index_by_dp_table)
+    {
+      vlib_cli_output (vm, "%=10s%=12s", "bd_id", "hw_if_index");
+      /* *INDENT-OFF* */
+      hash_foreach_pair (p, lgm->l2_ifaces.hw_if_index_by_dp_table, ({
+        vlib_cli_output (vm, "%=10d%=10d", p->key, p->value[0]);
+      }));
+      /* *INDENT-ON* */
+    }
+  return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (lisp_show_iface_command) = {
+    .path = "show lisp gpe interface",
+    .short_help = "show lisp gpe interface",
+    .function = lisp_show_iface_command_fn,
+};
+/* *INDENT-ON* */
+
+/** Format LISP-GPE status. */
+u8 *
+format_vnet_lisp_gpe_status (u8 * s, va_list * args)
+{
+  lisp_gpe_main_t *lgm = &lisp_gpe_main;
+  return format (s, "%s", lgm->is_en ? "enabled" : "disabled");
+}
+
+
+/** LISP-GPE init function. */
+clib_error_t *
+lisp_gpe_init (vlib_main_t * vm)
+{
+  lisp_gpe_main_t *lgm = &lisp_gpe_main;
+  clib_error_t *error = 0;
+
+  if ((error = vlib_call_init_function (vm, ip_main_init)))
+    return error;
+
+  if ((error = vlib_call_init_function (vm, ip4_lookup_init)))
+    return error;
+
+  lgm->vnet_main = vnet_get_main ();
+  lgm->vlib_main = vm;
+  lgm->im4 = &ip4_main;
+  lgm->im6 = &ip6_main;
+  lgm->lm4 = &ip4_main.lookup_main;
+  lgm->lm6 = &ip6_main.lookup_main;
+
+  lgm->lisp_gpe_fwd_entries =
+    hash_create_mem (0, sizeof (lisp_gpe_fwd_entry_key_t), sizeof (uword));
+
+  udp_register_dst_port (vm, UDP_DST_PORT_lisp_gpe,
+			 lisp_gpe_ip4_input_node.index, 1 /* is_ip4 */ );
+  udp_register_dst_port (vm, UDP_DST_PORT_lisp_gpe6,
+			 lisp_gpe_ip6_input_node.index, 0 /* is_ip4 */ );
+  return 0;
+}
+
+VLIB_INIT_FUNCTION (lisp_gpe_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */