misc: deprecate gbp and its dependents

Type: improvement

Signed-off-by: Neale Ranns <nranns@cisco.com>
Signed-off-by: Benoît Ganne <bganne@cisco.com>
Change-Id: I2f30a4f04fd9a8635ce2d259b5fd5b0c85cee8c3

1 files changed, 1154 insertions, 0 deletions

diff --git a/extras/deprecated/plugins/gbp/gbp_api.c b/extras/deprecated/plugins/gbp/gbp_api.c
new file mode 100644
index 00000000000..ab89172b1af
--- /dev/null
+++ b/extras/deprecated/plugins/gbp/gbp_api.c
@@ -0,0 +1,1154 @@
+/*
+ *------------------------------------------------------------------
+ * 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.
+ *------------------------------------------------------------------
+ */
+
+#include <vnet/vnet.h>
+#include <vnet/plugin/plugin.h>
+
+#include <vnet/interface.h>
+#include <vnet/api_errno.h>
+#include <vnet/ip/ip_types_api.h>
+#include <vnet/ethernet/ethernet_types_api.h>
+#include <vpp/app/version.h>
+
+#include <gbp/gbp.h>
+#include <gbp/gbp_learn.h>
+#include <gbp/gbp_itf.h>
+#include <gbp/gbp_vxlan.h>
+#include <gbp/gbp_bridge_domain.h>
+#include <gbp/gbp_route_domain.h>
+#include <gbp/gbp_ext_itf.h>
+#include <gbp/gbp_contract.h>
+
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+
+/* define message IDs */
+#include <gbp/gbp.api_enum.h>
+#include <gbp/gbp.api_types.h>
+#include <vnet/format_fns.h>
+#include <vlibapi/api_helper_macros.h>
+#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
+
+gbp_main_t gbp_main;
+
+static u16 msg_id_base;
+
+#define GBP_MSG_BASE msg_id_base
+
+static gbp_endpoint_flags_t
+gbp_endpoint_flags_decode (vl_api_gbp_endpoint_flags_t v)
+{
+  gbp_endpoint_flags_t f = GBP_ENDPOINT_FLAG_NONE;
+
+  v = ntohl (v);
+
+  if (v & GBP_API_ENDPOINT_FLAG_BOUNCE)
+    f |= GBP_ENDPOINT_FLAG_BOUNCE;
+  if (v & GBP_API_ENDPOINT_FLAG_REMOTE)
+    f |= GBP_ENDPOINT_FLAG_REMOTE;
+  if (v & GBP_API_ENDPOINT_FLAG_LEARNT)
+    f |= GBP_ENDPOINT_FLAG_LEARNT;
+  if (v & GBP_API_ENDPOINT_FLAG_EXTERNAL)
+    f |= GBP_ENDPOINT_FLAG_EXTERNAL;
+
+  return (f);
+}
+
+static vl_api_gbp_endpoint_flags_t
+gbp_endpoint_flags_encode (gbp_endpoint_flags_t f)
+{
+  vl_api_gbp_endpoint_flags_t v = 0;
+
+
+  if (f & GBP_ENDPOINT_FLAG_BOUNCE)
+    v |= GBP_API_ENDPOINT_FLAG_BOUNCE;
+  if (f & GBP_ENDPOINT_FLAG_REMOTE)
+    v |= GBP_API_ENDPOINT_FLAG_REMOTE;
+  if (f & GBP_ENDPOINT_FLAG_LEARNT)
+    v |= GBP_API_ENDPOINT_FLAG_LEARNT;
+  if (f & GBP_ENDPOINT_FLAG_EXTERNAL)
+    v |= GBP_API_ENDPOINT_FLAG_EXTERNAL;
+
+  v = htonl (v);
+
+  return (v);
+}
+
+static void
+vl_api_gbp_endpoint_add_t_handler (vl_api_gbp_endpoint_add_t * mp)
+{
+  vl_api_gbp_endpoint_add_reply_t *rmp;
+  gbp_endpoint_flags_t gef;
+  u32 sw_if_index, handle;
+  ip46_address_t *ips;
+  mac_address_t mac;
+  int rv = 0, ii;
+
+  handle = INDEX_INVALID;
+
+  VALIDATE_SW_IF_INDEX (&(mp->endpoint));
+
+  gef = gbp_endpoint_flags_decode (mp->endpoint.flags), ips = NULL;
+  sw_if_index = ntohl (mp->endpoint.sw_if_index);
+
+  if (mp->endpoint.n_ips)
+    {
+      vec_validate (ips, mp->endpoint.n_ips - 1);
+
+      vec_foreach_index (ii, ips)
+      {
+	ip_address_decode (&mp->endpoint.ips[ii], &ips[ii]);
+      }
+    }
+  mac_address_decode (mp->endpoint.mac, &mac);
+
+  if (GBP_ENDPOINT_FLAG_REMOTE & gef)
+    {
+      ip46_address_t tun_src, tun_dst;
+
+      ip_address_decode (&mp->endpoint.tun.src, &tun_src);
+      ip_address_decode (&mp->endpoint.tun.dst, &tun_dst);
+
+      rv = gbp_endpoint_update_and_lock (GBP_ENDPOINT_SRC_CP,
+					 sw_if_index, ips, &mac,
+					 INDEX_INVALID, INDEX_INVALID,
+					 ntohs (mp->endpoint.sclass),
+					 gef, &tun_src, &tun_dst, &handle);
+    }
+  else
+    {
+      rv = gbp_endpoint_update_and_lock (GBP_ENDPOINT_SRC_CP,
+					 sw_if_index, ips, &mac,
+					 INDEX_INVALID, INDEX_INVALID,
+					 ntohs (mp->endpoint.sclass),
+					 gef, NULL, NULL, &handle);
+    }
+  vec_free (ips);
+  BAD_SW_IF_INDEX_LABEL;
+
+  /* *INDENT-OFF* */
+  REPLY_MACRO2 (VL_API_GBP_ENDPOINT_ADD_REPLY + GBP_MSG_BASE,
+  ({
+    rmp->handle = htonl (handle);
+  }));
+  /* *INDENT-ON* */
+}
+
+static void
+vl_api_gbp_endpoint_del_t_handler (vl_api_gbp_endpoint_del_t * mp)
+{
+  vl_api_gbp_endpoint_del_reply_t *rmp;
+  int rv = 0;
+
+  gbp_endpoint_unlock (GBP_ENDPOINT_SRC_CP, ntohl (mp->handle));
+
+  REPLY_MACRO (VL_API_GBP_ENDPOINT_DEL_REPLY + GBP_MSG_BASE);
+}
+
+typedef struct gbp_walk_ctx_t_
+{
+  vl_api_registration_t *reg;
+  u32 context;
+} gbp_walk_ctx_t;
+
+static walk_rc_t
+gbp_endpoint_send_details (index_t gei, void *args)
+{
+  vl_api_gbp_endpoint_details_t *mp;
+  gbp_endpoint_loc_t *gel;
+  gbp_endpoint_fwd_t *gef;
+  gbp_endpoint_t *ge;
+  gbp_walk_ctx_t *ctx;
+  u8 n_ips, ii;
+
+  ctx = args;
+  ge = gbp_endpoint_get (gei);
+
+  n_ips = vec_len (ge->ge_key.gek_ips);
+  mp = vl_msg_api_alloc (sizeof (*mp) + (sizeof (*mp->endpoint.ips) * n_ips));
+  if (!mp)
+    return 1;
+
+  clib_memset (mp, 0, sizeof (*mp));
+  mp->_vl_msg_id = ntohs (VL_API_GBP_ENDPOINT_DETAILS + GBP_MSG_BASE);
+  mp->context = ctx->context;
+
+  gel = &ge->ge_locs[0];
+  gef = &ge->ge_fwd;
+
+  if (gbp_endpoint_is_remote (ge))
+    {
+      mp->endpoint.sw_if_index = ntohl (gel->tun.gel_parent_sw_if_index);
+      ip_address_encode (&gel->tun.gel_src, IP46_TYPE_ANY,
+			 &mp->endpoint.tun.src);
+      ip_address_encode (&gel->tun.gel_dst, IP46_TYPE_ANY,
+			 &mp->endpoint.tun.dst);
+    }
+  else
+    {
+      mp->endpoint.sw_if_index =
+	ntohl (gbp_itf_get_sw_if_index (gef->gef_itf));
+    }
+  mp->endpoint.sclass = ntohs (ge->ge_fwd.gef_sclass);
+  mp->endpoint.n_ips = n_ips;
+  mp->endpoint.flags = gbp_endpoint_flags_encode (gef->gef_flags);
+  mp->handle = htonl (gei);
+  mp->age =
+    clib_host_to_net_f64 (vlib_time_now (vlib_get_main ()) -
+			  ge->ge_last_time);
+  mac_address_encode (&ge->ge_key.gek_mac, mp->endpoint.mac);
+
+  vec_foreach_index (ii, ge->ge_key.gek_ips)
+  {
+    ip_address_encode (&ge->ge_key.gek_ips[ii].fp_addr,
+		       IP46_TYPE_ANY, &mp->endpoint.ips[ii]);
+  }
+
+  vl_api_send_msg (ctx->reg, (u8 *) mp);
+
+  return (WALK_CONTINUE);
+}
+
+static void
+vl_api_gbp_endpoint_dump_t_handler (vl_api_gbp_endpoint_dump_t * mp)
+{
+  vl_api_registration_t *reg;
+
+  reg = vl_api_client_index_to_registration (mp->client_index);
+  if (!reg)
+    return;
+
+  gbp_walk_ctx_t ctx = {
+    .reg = reg,
+    .context = mp->context,
+  };
+
+  gbp_endpoint_walk (gbp_endpoint_send_details, &ctx);
+}
+
+static void
+gbp_retention_decode (const vl_api_gbp_endpoint_retention_t * in,
+		      gbp_endpoint_retention_t * out)
+{
+  out->remote_ep_timeout = ntohl (in->remote_ep_timeout);
+}
+
+static void
+  vl_api_gbp_endpoint_group_add_t_handler
+  (vl_api_gbp_endpoint_group_add_t * mp)
+{
+  vl_api_gbp_endpoint_group_add_reply_t *rmp;
+  gbp_endpoint_retention_t retention;
+  int rv = 0;
+
+  gbp_retention_decode (&mp->epg.retention, &retention);
+
+  rv = gbp_endpoint_group_add_and_lock (ntohl (mp->epg.vnid),
+					ntohs (mp->epg.sclass),
+					ntohl (mp->epg.bd_id),
+					ntohl (mp->epg.rd_id),
+					ntohl (mp->epg.uplink_sw_if_index),
+					&retention);
+
+  REPLY_MACRO (VL_API_GBP_ENDPOINT_GROUP_ADD_REPLY + GBP_MSG_BASE);
+}
+
+static void
+  vl_api_gbp_endpoint_group_del_t_handler
+  (vl_api_gbp_endpoint_group_del_t * mp)
+{
+  vl_api_gbp_endpoint_group_del_reply_t *rmp;
+  int rv = 0;
+
+  rv = gbp_endpoint_group_delete (ntohs (mp->sclass));
+
+  REPLY_MACRO (VL_API_GBP_ENDPOINT_GROUP_DEL_REPLY + GBP_MSG_BASE);
+}
+
+static gbp_bridge_domain_flags_t
+gbp_bridge_domain_flags_from_api (vl_api_gbp_bridge_domain_flags_t a)
+{
+  gbp_bridge_domain_flags_t g;
+
+  g = GBP_BD_FLAG_NONE;
+  a = clib_net_to_host_u32 (a);
+
+  if (a & GBP_BD_API_FLAG_DO_NOT_LEARN)
+    g |= GBP_BD_FLAG_DO_NOT_LEARN;
+  if (a & GBP_BD_API_FLAG_UU_FWD_DROP)
+    g |= GBP_BD_FLAG_UU_FWD_DROP;
+  if (a & GBP_BD_API_FLAG_MCAST_DROP)
+    g |= GBP_BD_FLAG_MCAST_DROP;
+  if (a & GBP_BD_API_FLAG_UCAST_ARP)
+    g |= GBP_BD_FLAG_UCAST_ARP;
+
+  return (g);
+}
+
+static void
+vl_api_gbp_bridge_domain_add_t_handler (vl_api_gbp_bridge_domain_add_t * mp)
+{
+  vl_api_gbp_bridge_domain_add_reply_t *rmp;
+  int rv = 0;
+
+  rv = gbp_bridge_domain_add_and_lock (ntohl (mp->bd.bd_id),
+				       ntohl (mp->bd.rd_id),
+				       gbp_bridge_domain_flags_from_api
+				       (mp->bd.flags),
+				       ntohl (mp->bd.bvi_sw_if_index),
+				       ntohl (mp->bd.uu_fwd_sw_if_index),
+				       ntohl (mp->bd.bm_flood_sw_if_index));
+
+  REPLY_MACRO (VL_API_GBP_BRIDGE_DOMAIN_ADD_REPLY + GBP_MSG_BASE);
+}
+
+static void
+vl_api_gbp_bridge_domain_del_t_handler (vl_api_gbp_bridge_domain_del_t * mp)
+{
+  vl_api_gbp_bridge_domain_del_reply_t *rmp;
+  int rv = 0;
+
+  rv = gbp_bridge_domain_delete (ntohl (mp->bd_id));
+
+  REPLY_MACRO (VL_API_GBP_BRIDGE_DOMAIN_DEL_REPLY + GBP_MSG_BASE);
+}
+
+static void
+vl_api_gbp_route_domain_add_t_handler (vl_api_gbp_route_domain_add_t * mp)
+{
+  vl_api_gbp_route_domain_add_reply_t *rmp;
+  int rv = 0;
+
+  rv = gbp_route_domain_add_and_lock (ntohl (mp->rd.rd_id),
+				      ntohs (mp->rd.scope),
+				      ntohl (mp->rd.ip4_table_id),
+				      ntohl (mp->rd.ip6_table_id),
+				      ntohl (mp->rd.ip4_uu_sw_if_index),
+				      ntohl (mp->rd.ip6_uu_sw_if_index));
+
+  REPLY_MACRO (VL_API_GBP_ROUTE_DOMAIN_ADD_REPLY + GBP_MSG_BASE);
+}
+
+static void
+vl_api_gbp_route_domain_del_t_handler (vl_api_gbp_route_domain_del_t * mp)
+{
+  vl_api_gbp_route_domain_del_reply_t *rmp;
+  int rv = 0;
+
+  rv = gbp_route_domain_delete (ntohl (mp->rd_id));
+
+  REPLY_MACRO (VL_API_GBP_ROUTE_DOMAIN_DEL_REPLY + GBP_MSG_BASE);
+}
+
+static int
+gub_subnet_type_from_api (vl_api_gbp_subnet_type_t a, gbp_subnet_type_t * t)
+{
+  a = clib_net_to_host_u32 (a);
+
+  switch (a)
+    {
+    case GBP_API_SUBNET_TRANSPORT:
+      *t = GBP_SUBNET_TRANSPORT;
+      return (0);
+    case GBP_API_SUBNET_L3_OUT:
+      *t = GBP_SUBNET_L3_OUT;
+      return (0);
+    case GBP_API_SUBNET_ANON_L3_OUT:
+      *t = GBP_SUBNET_ANON_L3_OUT;
+      return (0);
+    case GBP_API_SUBNET_STITCHED_INTERNAL:
+      *t = GBP_SUBNET_STITCHED_INTERNAL;
+      return (0);
+    case GBP_API_SUBNET_STITCHED_EXTERNAL:
+      *t = GBP_SUBNET_STITCHED_EXTERNAL;
+      return (0);
+    }
+
+  return (-1);
+}
+
+static void
+vl_api_gbp_subnet_add_del_t_handler (vl_api_gbp_subnet_add_del_t * mp)
+{
+  vl_api_gbp_subnet_add_del_reply_t *rmp;
+  gbp_subnet_type_t type;
+  fib_prefix_t pfx;
+  int rv = 0;
+
+  ip_prefix_decode (&mp->subnet.prefix, &pfx);
+
+  rv = gub_subnet_type_from_api (mp->subnet.type, &type);
+
+  if (0 != rv)
+    goto out;
+
+  if (mp->is_add)
+    rv = gbp_subnet_add (ntohl (mp->subnet.rd_id),
+			 &pfx, type,
+			 ntohl (mp->subnet.sw_if_index),
+			 ntohs (mp->subnet.sclass));
+  else
+    rv = gbp_subnet_del (ntohl (mp->subnet.rd_id), &pfx);
+
+out:
+  REPLY_MACRO (VL_API_GBP_SUBNET_ADD_DEL_REPLY + GBP_MSG_BASE);
+}
+
+static vl_api_gbp_subnet_type_t
+gub_subnet_type_to_api (gbp_subnet_type_t t)
+{
+  vl_api_gbp_subnet_type_t a = 0;
+
+  switch (t)
+    {
+    case GBP_SUBNET_TRANSPORT:
+      a = GBP_API_SUBNET_TRANSPORT;
+      break;
+    case GBP_SUBNET_STITCHED_INTERNAL:
+      a = GBP_API_SUBNET_STITCHED_INTERNAL;
+      break;
+    case GBP_SUBNET_STITCHED_EXTERNAL:
+      a = GBP_API_SUBNET_STITCHED_EXTERNAL;
+      break;
+    case GBP_SUBNET_L3_OUT:
+      a = GBP_API_SUBNET_L3_OUT;
+      break;
+    case GBP_SUBNET_ANON_L3_OUT:
+      a = GBP_API_SUBNET_ANON_L3_OUT;
+      break;
+    }
+
+  a = clib_host_to_net_u32 (a);
+
+  return (a);
+}
+
+static walk_rc_t
+gbp_subnet_send_details (u32 rd_id,
+			 const fib_prefix_t * pfx,
+			 gbp_subnet_type_t type,
+			 u32 sw_if_index, sclass_t sclass, void *args)
+{
+  vl_api_gbp_subnet_details_t *mp;
+  gbp_walk_ctx_t *ctx;
+
+  ctx = args;
+  mp = vl_msg_api_alloc (sizeof (*mp));
+  if (!mp)
+    return 1;
+
+  clib_memset (mp, 0, sizeof (*mp));
+  mp->_vl_msg_id = ntohs (VL_API_GBP_SUBNET_DETAILS + GBP_MSG_BASE);
+  mp->context = ctx->context;
+
+  mp->subnet.type = gub_subnet_type_to_api (type);
+  mp->subnet.sw_if_index = ntohl (sw_if_index);
+  mp->subnet.sclass = ntohs (sclass);
+  mp->subnet.rd_id = ntohl (rd_id);
+  ip_prefix_encode (pfx, &mp->subnet.prefix);
+
+  vl_api_send_msg (ctx->reg, (u8 *) mp);
+
+  return (WALK_CONTINUE);
+}
+
+static void
+vl_api_gbp_subnet_dump_t_handler (vl_api_gbp_subnet_dump_t * mp)
+{
+  vl_api_registration_t *reg;
+
+  reg = vl_api_client_index_to_registration (mp->client_index);
+  if (!reg)
+    return;
+
+  gbp_walk_ctx_t ctx = {
+    .reg = reg,
+    .context = mp->context,
+  };
+
+  gbp_subnet_walk (gbp_subnet_send_details, &ctx);
+}
+
+static int
+gbp_endpoint_group_send_details (gbp_endpoint_group_t * gg, void *args)
+{
+  vl_api_gbp_endpoint_group_details_t *mp;
+  gbp_walk_ctx_t *ctx;
+
+  ctx = args;
+  mp = vl_msg_api_alloc (sizeof (*mp));
+  if (!mp)
+    return 1;
+
+  clib_memset (mp, 0, sizeof (*mp));
+  mp->_vl_msg_id = ntohs (VL_API_GBP_ENDPOINT_GROUP_DETAILS + GBP_MSG_BASE);
+  mp->context = ctx->context;
+
+  mp->epg.uplink_sw_if_index = ntohl (gg->gg_uplink_sw_if_index);
+  mp->epg.vnid = ntohl (gg->gg_vnid);
+  mp->epg.sclass = ntohs (gg->gg_sclass);
+  mp->epg.bd_id = ntohl (gbp_endpoint_group_get_bd_id (gg));
+  mp->epg.rd_id = ntohl (gbp_route_domain_get_rd_id (gg->gg_rd));
+
+  vl_api_send_msg (ctx->reg, (u8 *) mp);
+
+  return (1);
+}
+
+static void
+vl_api_gbp_endpoint_group_dump_t_handler (vl_api_gbp_endpoint_group_dump_t *
+					  mp)
+{
+  vl_api_registration_t *reg;
+
+  reg = vl_api_client_index_to_registration (mp->client_index);
+  if (!reg)
+    return;
+
+  gbp_walk_ctx_t ctx = {
+    .reg = reg,
+    .context = mp->context,
+  };
+
+  gbp_endpoint_group_walk (gbp_endpoint_group_send_details, &ctx);
+}
+
+static int
+gbp_bridge_domain_send_details (gbp_bridge_domain_t * gb, void *args)
+{
+  vl_api_gbp_bridge_domain_details_t *mp;
+  gbp_route_domain_t *gr;
+  gbp_walk_ctx_t *ctx;
+
+  ctx = args;
+  mp = vl_msg_api_alloc (sizeof (*mp));
+  if (!mp)
+    return 1;
+
+  memset (mp, 0, sizeof (*mp));
+  mp->_vl_msg_id = ntohs (VL_API_GBP_BRIDGE_DOMAIN_DETAILS + GBP_MSG_BASE);
+  mp->context = ctx->context;
+
+  gr = gbp_route_domain_get (gb->gb_rdi);
+
+  mp->bd.bd_id = ntohl (gb->gb_bd_id);
+  mp->bd.rd_id = ntohl (gr->grd_id);
+  mp->bd.bvi_sw_if_index = ntohl (gb->gb_bvi_sw_if_index);
+  mp->bd.uu_fwd_sw_if_index = ntohl (gb->gb_uu_fwd_sw_if_index);
+  mp->bd.bm_flood_sw_if_index =
+    ntohl (gbp_itf_get_sw_if_index (gb->gb_bm_flood_itf));
+
+  vl_api_send_msg (ctx->reg, (u8 *) mp);
+
+  return (1);
+}
+
+static void
+vl_api_gbp_bridge_domain_dump_t_handler (vl_api_gbp_bridge_domain_dump_t * mp)
+{
+  vl_api_registration_t *reg;
+
+  reg = vl_api_client_index_to_registration (mp->client_index);
+  if (!reg)
+    return;
+
+  gbp_walk_ctx_t ctx = {
+    .reg = reg,
+    .context = mp->context,
+  };
+
+  gbp_bridge_domain_walk (gbp_bridge_domain_send_details, &ctx);
+}
+
+static int
+gbp_route_domain_send_details (gbp_route_domain_t * grd, void *args)
+{
+  vl_api_gbp_route_domain_details_t *mp;
+  gbp_walk_ctx_t *ctx;
+
+  ctx = args;
+  mp = vl_msg_api_alloc (sizeof (*mp));
+  if (!mp)
+    return 1;
+
+  memset (mp, 0, sizeof (*mp));
+  mp->_vl_msg_id = ntohs (VL_API_GBP_ROUTE_DOMAIN_DETAILS + GBP_MSG_BASE);
+  mp->context = ctx->context;
+
+  mp->rd.rd_id = ntohl (grd->grd_id);
+  mp->rd.ip4_uu_sw_if_index =
+    ntohl (grd->grd_uu_sw_if_index[FIB_PROTOCOL_IP4]);
+  mp->rd.ip6_uu_sw_if_index =
+    ntohl (grd->grd_uu_sw_if_index[FIB_PROTOCOL_IP6]);
+
+  vl_api_send_msg (ctx->reg, (u8 *) mp);
+
+  return (1);
+}
+
+static void
+vl_api_gbp_route_domain_dump_t_handler (vl_api_gbp_route_domain_dump_t * mp)
+{
+  vl_api_registration_t *reg;
+
+  reg = vl_api_client_index_to_registration (mp->client_index);
+  if (!reg)
+    return;
+
+  gbp_walk_ctx_t ctx = {
+    .reg = reg,
+    .context = mp->context,
+  };
+
+  gbp_route_domain_walk (gbp_route_domain_send_details, &ctx);
+}
+
+static void
+vl_api_gbp_recirc_add_del_t_handler (vl_api_gbp_recirc_add_del_t * mp)
+{
+  vl_api_gbp_recirc_add_del_reply_t *rmp;
+  u32 sw_if_index;
+  int rv = 0;
+
+  sw_if_index = ntohl (mp->recirc.sw_if_index);
+  if (!vnet_sw_if_index_is_api_valid (sw_if_index))
+    goto bad_sw_if_index;
+
+  if (mp->is_add)
+    rv = gbp_recirc_add (sw_if_index,
+			 ntohs (mp->recirc.sclass), mp->recirc.is_ext);
+  else
+    rv = gbp_recirc_delete (sw_if_index);
+
+  BAD_SW_IF_INDEX_LABEL;
+
+  REPLY_MACRO (VL_API_GBP_RECIRC_ADD_DEL_REPLY + GBP_MSG_BASE);
+}
+
+static walk_rc_t
+gbp_recirc_send_details (gbp_recirc_t * gr, void *args)
+{
+  vl_api_gbp_recirc_details_t *mp;
+  gbp_walk_ctx_t *ctx;
+
+  ctx = args;
+  mp = vl_msg_api_alloc (sizeof (*mp));
+  if (!mp)
+    return (WALK_STOP);
+
+  clib_memset (mp, 0, sizeof (*mp));
+  mp->_vl_msg_id = ntohs (VL_API_GBP_RECIRC_DETAILS + GBP_MSG_BASE);
+  mp->context = ctx->context;
+
+  mp->recirc.sclass = ntohs (gr->gr_sclass);
+  mp->recirc.sw_if_index = ntohl (gr->gr_sw_if_index);
+  mp->recirc.is_ext = gr->gr_is_ext;
+
+  vl_api_send_msg (ctx->reg, (u8 *) mp);
+
+  return (WALK_CONTINUE);
+}
+
+static void
+vl_api_gbp_recirc_dump_t_handler (vl_api_gbp_recirc_dump_t * mp)
+{
+  vl_api_registration_t *reg;
+
+  reg = vl_api_client_index_to_registration (mp->client_index);
+  if (!reg)
+    return;
+
+  gbp_walk_ctx_t ctx = {
+    .reg = reg,
+    .context = mp->context,
+  };
+
+  gbp_recirc_walk (gbp_recirc_send_details, &ctx);
+}
+
+static void
+vl_api_gbp_ext_itf_add_del_t_handler (vl_api_gbp_ext_itf_add_del_t * mp)
+{
+  vl_api_gbp_ext_itf_add_del_reply_t *rmp;
+  u32 sw_if_index = ~0;
+  vl_api_gbp_ext_itf_t *ext_itf;
+  int rv = 0;
+
+  ext_itf = &mp->ext_itf;
+  if (ext_itf)
+    sw_if_index = ntohl (ext_itf->sw_if_index);
+
+  if (!vnet_sw_if_index_is_api_valid (sw_if_index))
+    goto bad_sw_if_index;
+
+  if (mp->is_add)
+    rv = gbp_ext_itf_add (sw_if_index,
+			  ntohl (ext_itf->bd_id), ntohl (ext_itf->rd_id),
+			  ntohl (ext_itf->flags));
+  else
+    rv = gbp_ext_itf_delete (sw_if_index);
+
+  BAD_SW_IF_INDEX_LABEL;
+
+  REPLY_MACRO (VL_API_GBP_EXT_ITF_ADD_DEL_REPLY + GBP_MSG_BASE);
+}
+
+static walk_rc_t
+gbp_ext_itf_send_details (gbp_ext_itf_t * gx, void *args)
+{
+  vl_api_gbp_ext_itf_details_t *mp;
+  gbp_walk_ctx_t *ctx;
+
+  ctx = args;
+  mp = vl_msg_api_alloc (sizeof (*mp));
+  if (!mp)
+    return (WALK_STOP);
+
+  clib_memset (mp, 0, sizeof (*mp));
+  mp->_vl_msg_id = ntohs (VL_API_GBP_EXT_ITF_DETAILS + GBP_MSG_BASE);
+  mp->context = ctx->context;
+
+  mp->ext_itf.flags = ntohl (gx->gx_flags);
+  mp->ext_itf.bd_id = ntohl (gbp_bridge_domain_get_bd_id (gx->gx_bd));
+  mp->ext_itf.rd_id = ntohl (gbp_route_domain_get_rd_id (gx->gx_rd));
+  mp->ext_itf.sw_if_index = ntohl (gbp_itf_get_sw_if_index (gx->gx_itf));
+
+  vl_api_send_msg (ctx->reg, (u8 *) mp);
+
+  return (WALK_CONTINUE);
+}
+
+static void
+vl_api_gbp_ext_itf_dump_t_handler (vl_api_gbp_ext_itf_dump_t * mp)
+{
+  vl_api_registration_t *reg;
+
+  reg = vl_api_client_index_to_registration (mp->client_index);
+  if (!reg)
+    return;
+
+  gbp_walk_ctx_t ctx = {
+    .reg = reg,
+    .context = mp->context,
+  };
+
+  gbp_ext_itf_walk (gbp_ext_itf_send_details, &ctx);
+}
+
+static int
+gbp_contract_rule_action_deocde (vl_api_gbp_rule_action_t in,
+				 gbp_rule_action_t * out)
+{
+  in = clib_net_to_host_u32 (in);
+
+  switch (in)
+    {
+    case GBP_API_RULE_PERMIT:
+      *out = GBP_RULE_PERMIT;
+      return (0);
+    case GBP_API_RULE_DENY:
+      *out = GBP_RULE_DENY;
+      return (0);
+    case GBP_API_RULE_REDIRECT:
+      *out = GBP_RULE_REDIRECT;
+      return (0);
+    }
+
+  return (-1);
+}
+
+static int
+gbp_hash_mode_decode (vl_api_gbp_hash_mode_t in, gbp_hash_mode_t * out)
+{
+  in = clib_net_to_host_u32 (in);
+
+  switch (in)
+    {
+    case GBP_API_HASH_MODE_SRC_IP:
+      *out = GBP_HASH_MODE_SRC_IP;
+      return (0);
+    case GBP_API_HASH_MODE_DST_IP:
+      *out = GBP_HASH_MODE_DST_IP;
+      return (0);
+    case GBP_API_HASH_MODE_SYMMETRIC:
+      *out = GBP_HASH_MODE_SYMMETRIC;
+      return (0);
+    }
+
+  return (-2);
+}
+
+static int
+gbp_next_hop_decode (const vl_api_gbp_next_hop_t * in, index_t * gnhi)
+{
+  ip46_address_t ip;
+  mac_address_t mac;
+  index_t grd, gbd;
+
+  gbd = gbp_bridge_domain_find_and_lock (ntohl (in->bd_id));
+
+  if (INDEX_INVALID == gbd)
+    return (VNET_API_ERROR_BD_NOT_MODIFIABLE);
+
+  grd = gbp_route_domain_find_and_lock (ntohl (in->rd_id));
+
+  if (INDEX_INVALID == grd)
+    return (VNET_API_ERROR_NO_SUCH_FIB);
+
+  ip_address_decode (&in->ip, &ip);
+  mac_address_decode (in->mac, &mac);
+
+  *gnhi = gbp_next_hop_alloc (&ip, grd, &mac, gbd);
+
+  return (0);
+}
+
+static int
+gbp_next_hop_set_decode (const vl_api_gbp_next_hop_set_t * in,
+			 gbp_hash_mode_t * hash_mode, index_t ** out)
+{
+
+  index_t *gnhis = NULL;
+  int rv;
+  u8 ii;
+
+  rv = gbp_hash_mode_decode (in->hash_mode, hash_mode);
+
+  if (0 != rv)
+    return rv;
+
+  vec_validate (gnhis, in->n_nhs - 1);
+
+  for (ii = 0; ii < in->n_nhs; ii++)
+    {
+      rv = gbp_next_hop_decode (&in->nhs[ii], &gnhis[ii]);
+
+      if (0 != rv)
+	{
+	  vec_free (gnhis);
+	  break;
+	}
+    }
+
+  *out = gnhis;
+  return (rv);
+}
+
+static int
+gbp_contract_rule_decode (const vl_api_gbp_rule_t * in, index_t * gui)
+{
+  gbp_hash_mode_t hash_mode;
+  gbp_rule_action_t action;
+  index_t *nhs = NULL;
+  int rv;
+
+  rv = gbp_contract_rule_action_deocde (in->action, &action);
+
+  if (0 != rv)
+    return rv;
+
+  if (GBP_RULE_REDIRECT == action)
+    {
+      rv = gbp_next_hop_set_decode (&in->nh_set, &hash_mode, &nhs);
+
+      if (0 != rv)
+	return (rv);
+    }
+  else
+    {
+      hash_mode = GBP_HASH_MODE_SRC_IP;
+    }
+
+  *gui = gbp_rule_alloc (action, hash_mode, nhs);
+
+  return (rv);
+}
+
+static int
+gbp_contract_rules_decode (u8 n_rules,
+			   const vl_api_gbp_rule_t * rules, index_t ** out)
+{
+  index_t *guis = NULL;
+  int rv;
+  u8 ii;
+
+  if (0 == n_rules)
+    {
+      *out = NULL;
+      return (0);
+    }
+
+  vec_validate (guis, n_rules - 1);
+
+  for (ii = 0; ii < n_rules; ii++)
+    {
+      rv = gbp_contract_rule_decode (&rules[ii], &guis[ii]);
+
+      if (0 != rv)
+	{
+	  index_t *gui;
+	  vec_foreach (gui, guis) gbp_rule_free (*gui);
+	  vec_free (guis);
+	  return (rv);
+	}
+    }
+
+  *out = guis;
+  return (rv);
+}
+
+static void
+vl_api_gbp_contract_add_del_t_handler (vl_api_gbp_contract_add_del_t * mp)
+{
+  vl_api_gbp_contract_add_del_reply_t *rmp;
+  u16 *allowed_ethertypes;
+  u32 stats_index = ~0;
+  index_t *rules;
+  int ii, rv = 0;
+  u8 n_et;
+
+  if (mp->is_add)
+    {
+      rv = gbp_contract_rules_decode (mp->contract.n_rules,
+				      mp->contract.rules, &rules);
+      if (0 != rv)
+	goto out;
+
+      allowed_ethertypes = NULL;
+
+      /*
+       * allowed ether types
+       */
+      n_et = mp->contract.n_ether_types;
+      vec_validate (allowed_ethertypes, n_et - 1);
+
+      for (ii = 0; ii < n_et; ii++)
+	{
+	  /* leave the ether types in network order */
+	  allowed_ethertypes[ii] = mp->contract.allowed_ethertypes[ii];
+	}
+
+      rv = gbp_contract_update (ntohs (mp->contract.scope),
+				ntohs (mp->contract.sclass),
+				ntohs (mp->contract.dclass),
+				ntohl (mp->contract.acl_index),
+				rules, allowed_ethertypes, &stats_index);
+    }
+  else
+    rv = gbp_contract_delete (ntohs (mp->contract.scope),
+			      ntohs (mp->contract.sclass),
+			      ntohs (mp->contract.dclass));
+
+out:
+  /* *INDENT-OFF* */
+  REPLY_MACRO2 (VL_API_GBP_CONTRACT_ADD_DEL_REPLY + GBP_MSG_BASE,
+  ({
+    rmp->stats_index = htonl (stats_index);
+  }));
+  /* *INDENT-ON* */
+}
+
+static int
+gbp_contract_send_details (gbp_contract_t * gbpc, void *args)
+{
+  vl_api_gbp_contract_details_t *mp;
+  gbp_walk_ctx_t *ctx;
+
+  ctx = args;
+  mp = vl_msg_api_alloc (sizeof (*mp));
+  if (!mp)
+    return 1;
+
+  clib_memset (mp, 0, sizeof (*mp));
+  mp->_vl_msg_id = ntohs (VL_API_GBP_CONTRACT_DETAILS + GBP_MSG_BASE);
+  mp->context = ctx->context;
+
+  mp->contract.sclass = ntohs (gbpc->gc_key.gck_src);
+  mp->contract.dclass = ntohs (gbpc->gc_key.gck_dst);
+  mp->contract.acl_index = ntohl (gbpc->gc_acl_index);
+  mp->contract.scope = ntohs (gbpc->gc_key.gck_scope);
+
+  vl_api_send_msg (ctx->reg, (u8 *) mp);
+
+  return (1);
+}
+
+static void
+vl_api_gbp_contract_dump_t_handler (vl_api_gbp_contract_dump_t * mp)
+{
+  vl_api_registration_t *reg;
+
+  reg = vl_api_client_index_to_registration (mp->client_index);
+  if (!reg)
+    return;
+
+  gbp_walk_ctx_t ctx = {
+    .reg = reg,
+    .context = mp->context,
+  };
+
+  gbp_contract_walk (gbp_contract_send_details, &ctx);
+}
+
+static int
+gbp_vxlan_tunnel_mode_2_layer (vl_api_gbp_vxlan_tunnel_mode_t mode,
+			       gbp_vxlan_tunnel_layer_t * l)
+{
+  mode = clib_net_to_host_u32 (mode);
+
+  switch (mode)
+    {
+    case GBP_VXLAN_TUNNEL_MODE_L2:
+      *l = GBP_VXLAN_TUN_L2;
+      return (0);
+    case GBP_VXLAN_TUNNEL_MODE_L3:
+      *l = GBP_VXLAN_TUN_L3;
+      return (0);
+    }
+  return (-1);
+}
+
+static void
+vl_api_gbp_vxlan_tunnel_add_t_handler (vl_api_gbp_vxlan_tunnel_add_t * mp)
+{
+  vl_api_gbp_vxlan_tunnel_add_reply_t *rmp;
+  gbp_vxlan_tunnel_layer_t layer;
+  ip4_address_t src;
+  u32 sw_if_index;
+  int rv = 0;
+
+  ip4_address_decode (mp->tunnel.src, &src);
+  rv = gbp_vxlan_tunnel_mode_2_layer (mp->tunnel.mode, &layer);
+
+  if (0 != rv)
+    goto out;
+
+  rv = gbp_vxlan_tunnel_add (ntohl (mp->tunnel.vni),
+			     layer,
+			     ntohl (mp->tunnel.bd_rd_id), &src, &sw_if_index);
+
+out:
+  /* *INDENT-OFF* */
+  REPLY_MACRO2 (VL_API_GBP_VXLAN_TUNNEL_ADD_REPLY + GBP_MSG_BASE,
+  ({
+    rmp->sw_if_index = htonl (sw_if_index);
+  }));
+  /* *INDENT-ON* */
+}
+
+static void
+vl_api_gbp_vxlan_tunnel_del_t_handler (vl_api_gbp_vxlan_tunnel_add_t * mp)
+{
+  vl_api_gbp_vxlan_tunnel_del_reply_t *rmp;
+  int rv = 0;
+
+  rv = gbp_vxlan_tunnel_del (ntohl (mp->tunnel.vni));
+
+  REPLY_MACRO (VL_API_GBP_VXLAN_TUNNEL_DEL_REPLY + GBP_MSG_BASE);
+}
+
+static vl_api_gbp_vxlan_tunnel_mode_t
+gbp_vxlan_tunnel_layer_2_mode (gbp_vxlan_tunnel_layer_t layer)
+{
+  vl_api_gbp_vxlan_tunnel_mode_t mode = GBP_VXLAN_TUNNEL_MODE_L2;
+
+  switch (layer)
+    {
+    case GBP_VXLAN_TUN_L2:
+      mode = GBP_VXLAN_TUNNEL_MODE_L2;
+      break;
+    case GBP_VXLAN_TUN_L3:
+      mode = GBP_VXLAN_TUNNEL_MODE_L3;
+      break;
+    }
+  mode = clib_host_to_net_u32 (mode);
+
+  return (mode);
+}
+
+static walk_rc_t
+gbp_vxlan_tunnel_send_details (gbp_vxlan_tunnel_t * gt, void *args)
+{
+  vl_api_gbp_vxlan_tunnel_details_t *mp;
+  gbp_walk_ctx_t *ctx;
+
+  ctx = args;
+  mp = vl_msg_api_alloc (sizeof (*mp));
+  if (!mp)
+    return 1;
+
+  memset (mp, 0, sizeof (*mp));
+  mp->_vl_msg_id = htons (VL_API_GBP_VXLAN_TUNNEL_DETAILS + GBP_MSG_BASE);
+  mp->context = ctx->context;
+
+  mp->tunnel.vni = htonl (gt->gt_vni);
+  mp->tunnel.mode = gbp_vxlan_tunnel_layer_2_mode (gt->gt_layer);
+  mp->tunnel.bd_rd_id = htonl (gt->gt_bd_rd_id);
+
+  vl_api_send_msg (ctx->reg, (u8 *) mp);
+
+  return (1);
+}
+
+static void
+vl_api_gbp_vxlan_tunnel_dump_t_handler (vl_api_gbp_vxlan_tunnel_dump_t * mp)
+{
+  vl_api_registration_t *reg;
+
+  reg = vl_api_client_index_to_registration (mp->client_index);
+  if (!reg)
+    return;
+
+  gbp_walk_ctx_t ctx = {
+    .reg = reg,
+    .context = mp->context,
+  };
+
+  gbp_vxlan_walk (gbp_vxlan_tunnel_send_details, &ctx);
+}
+
+#include <gbp/gbp.api.c>
+static clib_error_t *
+gbp_init (vlib_main_t * vm)
+{
+  gbp_main_t *gbpm = &gbp_main;
+
+  gbpm->gbp_acl_user_id = ~0;
+
+  /* Ask for a correctly-sized block of API message decode slots */
+  msg_id_base = setup_message_id_table ();
+
+  return (NULL);
+}
+
+VLIB_API_INIT_FUNCTION (gbp_init);
+
+/* *INDENT-OFF* */
+VLIB_PLUGIN_REGISTER () = {
+    .version = VPP_BUILD_VER,
+    .description = "Group Based Policy (GBP)",
+};
+/* *INDENT-ON* */
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */