+++ /dev/null
-/*
- * gbp.h : Group Based Policy
- *
- * 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 <plugins/gbp/gbp_endpoint.h>
-#include <plugins/gbp/gbp_endpoint_group.h>
-#include <plugins/gbp/gbp_itf.h>
-#include <plugins/gbp/gbp_scanner.h>
-#include <plugins/gbp/gbp_bridge_domain.h>
-#include <plugins/gbp/gbp_route_domain.h>
-#include <plugins/gbp/gbp_policy_dpo.h>
-#include <plugins/gbp/gbp_vxlan.h>
-
-#include <vnet/l2/l2_input.h>
-#include <vnet/l2/l2_output.h>
-#include <vnet/l2/feat_bitmap.h>
-#include <vnet/l2/l2_fib.h>
-#include <vnet/fib/fib_table.h>
-#include <vnet/ip-neighbor/ip_neighbor.h>
-#include <vnet/ip-neighbor/ip4_neighbor.h>
-#include <vnet/ip-neighbor/ip6_neighbor.h>
-#include <vnet/fib/fib_walk.h>
-#include <vnet/vxlan-gbp/vxlan_gbp.h>
-
-static const char *gbp_endpoint_attr_names[] = GBP_ENDPOINT_ATTR_NAMES;
-
-/**
- * EP DBs
- */
-gbp_ep_db_t gbp_ep_db;
-
-static fib_source_t gbp_fib_source_hi;
-static fib_source_t gbp_fib_source_low;
-static fib_node_type_t gbp_endpoint_fib_type;
-static vlib_log_class_t gbp_ep_logger;
-
-#define GBP_ENDPOINT_DBG(...) \
- vlib_log_debug (gbp_ep_logger, __VA_ARGS__);
-
-#define GBP_ENDPOINT_INFO(...) \
- vlib_log_notice (gbp_ep_logger, __VA_ARGS__);
-
-/**
- * Pool of GBP endpoints
- */
-gbp_endpoint_t *gbp_endpoint_pool;
-
-/**
- * A count of the number of dynamic entries
- */
-static u32 gbp_n_learnt_endpoints;
-
-#define FOR_EACH_GBP_ENDPOINT_ATTR(_item) \
- for (_item = GBP_ENDPOINT_ATTR_FIRST; \
- _item < GBP_ENDPOINT_ATTR_LAST; \
- _item++)
-
-u8 *
-format_gbp_endpoint_flags (u8 * s, va_list * args)
-{
- gbp_endpoint_attr_t attr;
- gbp_endpoint_flags_t flags = va_arg (*args, gbp_endpoint_flags_t);
-
- FOR_EACH_GBP_ENDPOINT_ATTR (attr)
- {
- if ((1 << attr) & flags)
- {
- s = format (s, "%s,", gbp_endpoint_attr_names[attr]);
- }
- }
-
- return (s);
-}
-
-int
-gbp_endpoint_is_remote (const gbp_endpoint_t * ge)
-{
- return (! !(ge->ge_fwd.gef_flags & GBP_ENDPOINT_FLAG_REMOTE));
-}
-
-int
-gbp_endpoint_is_local (const gbp_endpoint_t * ge)
-{
- return (!(ge->ge_fwd.gef_flags & GBP_ENDPOINT_FLAG_REMOTE));
-}
-
-int
-gbp_endpoint_is_external (const gbp_endpoint_t * ge)
-{
- return (! !(ge->ge_fwd.gef_flags & GBP_ENDPOINT_FLAG_EXTERNAL));
-}
-
-int
-gbp_endpoint_is_learnt (const gbp_endpoint_t * ge)
-{
- if (0 == vec_len (ge->ge_locs))
- return 0;
-
- /* DP is the highest source so if present it will be first */
- return (ge->ge_locs[0].gel_src == GBP_ENDPOINT_SRC_DP);
-}
-
-static void
-gbp_endpoint_extract_key_mac_itf (const clib_bihash_kv_16_8_t * key,
- mac_address_t * mac, u32 * sw_if_index)
-{
- mac_address_from_u64 (mac, key->key[0]);
- *sw_if_index = key->key[1];
-}
-
-static void
-gbp_endpoint_extract_key_ip_itf (const clib_bihash_kv_24_8_t * key,
- ip46_address_t * ip, u32 * sw_if_index)
-{
- ip->as_u64[0] = key->key[0];
- ip->as_u64[1] = key->key[1];
- *sw_if_index = key->key[2];
-}
-
-gbp_endpoint_t *
-gbp_endpoint_find_ip (const ip46_address_t * ip, u32 fib_index)
-{
- clib_bihash_kv_24_8_t key, value;
- int rv;
-
- gbp_endpoint_mk_key_ip (ip, fib_index, &key);
-
- rv = clib_bihash_search_24_8 (&gbp_ep_db.ged_by_ip_rd, &key, &value);
-
- if (0 != rv)
- return NULL;
-
- return (gbp_endpoint_get (value.value));
-}
-
-static void
-gbp_endpoint_add_itf (u32 sw_if_index, index_t gei)
-{
- vec_validate_init_empty (gbp_ep_db.ged_by_sw_if_index, sw_if_index, ~0);
-
- gbp_ep_db.ged_by_sw_if_index[sw_if_index] = gei;
-}
-
-static bool
-gbp_endpoint_add_mac (const mac_address_t * mac, u32 bd_index, index_t gei)
-{
- clib_bihash_kv_16_8_t key;
- int rv;
-
- gbp_endpoint_mk_key_mac (mac->bytes, bd_index, &key);
- key.value = gei;
-
- rv = clib_bihash_add_del_16_8 (&gbp_ep_db.ged_by_mac_bd, &key, 1);
-
-
- return (0 == rv);
-}
-
-static bool
-gbp_endpoint_add_ip (const ip46_address_t * ip, u32 fib_index, index_t gei)
-{
- clib_bihash_kv_24_8_t key;
- int rv;
-
- gbp_endpoint_mk_key_ip (ip, fib_index, &key);
- key.value = gei;
-
- rv = clib_bihash_add_del_24_8 (&gbp_ep_db.ged_by_ip_rd, &key, 1);
-
- return (0 == rv);
-}
-
-static void
-gbp_endpoint_del_mac (const mac_address_t * mac, u32 bd_index)
-{
- clib_bihash_kv_16_8_t key;
-
- gbp_endpoint_mk_key_mac (mac->bytes, bd_index, &key);
-
- clib_bihash_add_del_16_8 (&gbp_ep_db.ged_by_mac_bd, &key, 0);
-}
-
-static void
-gbp_endpoint_del_ip (const ip46_address_t * ip, u32 fib_index)
-{
- clib_bihash_kv_24_8_t key;
-
- gbp_endpoint_mk_key_ip (ip, fib_index, &key);
-
- clib_bihash_add_del_24_8 (&gbp_ep_db.ged_by_ip_rd, &key, 0);
-}
-
-static index_t
-gbp_endpoint_index (const gbp_endpoint_t * ge)
-{
- return (ge - gbp_endpoint_pool);
-}
-
-static int
-gbp_endpoint_ip_is_equal (const fib_prefix_t * fp, const ip46_address_t * ip)
-{
- return (ip46_address_is_equal (ip, &fp->fp_addr));
-}
-
-static void
-gbp_endpoint_ips_update (gbp_endpoint_t * ge,
- const ip46_address_t * ips,
- const gbp_route_domain_t * grd)
-{
- const ip46_address_t *ip;
- index_t gei, grdi;
-
- gei = gbp_endpoint_index (ge);
- grdi = gbp_route_domain_index (grd);
-
- ASSERT ((ge->ge_key.gek_grd == INDEX_INVALID) ||
- (ge->ge_key.gek_grd == grdi));
-
- vec_foreach (ip, ips)
- {
- if (~0 == vec_search_with_function (ge->ge_key.gek_ips, ip,
- gbp_endpoint_ip_is_equal))
- {
- fib_prefix_t *pfx;
-
- vec_add2 (ge->ge_key.gek_ips, pfx, 1);
- fib_prefix_from_ip46_addr (ip, pfx);
-
- gbp_endpoint_add_ip (&pfx->fp_addr,
- grd->grd_fib_index[pfx->fp_proto], gei);
- }
- ge->ge_key.gek_grd = grdi;
- }
-}
-
-static gbp_endpoint_t *
-gbp_endpoint_alloc (const ip46_address_t * ips,
- const gbp_route_domain_t * grd,
- const mac_address_t * mac,
- const gbp_bridge_domain_t * gbd)
-{
- gbp_endpoint_t *ge;
- index_t gei;
-
- pool_get_zero (gbp_endpoint_pool, ge);
-
- fib_node_init (&ge->ge_node, gbp_endpoint_fib_type);
- gei = gbp_endpoint_index (ge);
- ge->ge_key.gek_gbd =
- ge->ge_key.gek_grd = ge->ge_fwd.gef_fib_index = INDEX_INVALID;
- gbp_itf_hdl_reset (&ge->ge_fwd.gef_itf);
- ge->ge_last_time = vlib_time_now (vlib_get_main ());
- ge->ge_key.gek_gbd = gbp_bridge_domain_index (gbd);
-
- if (NULL != mac)
- {
- mac_address_copy (&ge->ge_key.gek_mac, mac);
- gbp_endpoint_add_mac (mac, gbd->gb_bd_index, gei);
- }
- gbp_endpoint_ips_update (ge, ips, grd);
-
- return (ge);
-}
-
-static int
-gbp_endpoint_loc_is_equal (gbp_endpoint_loc_t * a, gbp_endpoint_loc_t * b)
-{
- return (a->gel_src == b->gel_src);
-}
-
-static int
-gbp_endpoint_loc_cmp_for_sort (gbp_endpoint_loc_t * a, gbp_endpoint_loc_t * b)
-{
- return (a->gel_src - b->gel_src);
-}
-
-static gbp_endpoint_loc_t *
-gbp_endpoint_loc_find (gbp_endpoint_t * ge, gbp_endpoint_src_t src)
-{
- gbp_endpoint_loc_t gel = {
- .gel_src = src,
- };
- u32 pos;
-
- pos = vec_search_with_function (ge->ge_locs, &gel,
- gbp_endpoint_loc_is_equal);
-
- if (~0 != pos)
- return (&ge->ge_locs[pos]);
-
- return NULL;
-}
-
-static int
-gbp_endpoint_loc_unlock (gbp_endpoint_t * ge, gbp_endpoint_loc_t * gel)
-{
- u32 pos;
-
- gel->gel_locks--;
-
- if (0 == gel->gel_locks)
- {
- pos = gel - ge->ge_locs;
-
- vec_del1 (ge->ge_locs, pos);
- if (vec_len (ge->ge_locs) > 1)
- vec_sort_with_function (ge->ge_locs, gbp_endpoint_loc_cmp_for_sort);
-
- /* This could be the last lock, so don't access the EP from
- * this point on */
- fib_node_unlock (&ge->ge_node);
-
- return (1);
- }
- return (0);
-}
-
-static void
-gbp_endpoint_loc_destroy (gbp_endpoint_loc_t * gel)
-{
- gbp_endpoint_group_unlock (gel->gel_epg);
- gbp_itf_unlock (&gel->gel_itf);
-}
-
-static gbp_endpoint_loc_t *
-gbp_endpoint_loc_find_or_add (gbp_endpoint_t * ge, gbp_endpoint_src_t src)
-{
- gbp_endpoint_loc_t gel = {
- .gel_src = src,
- .gel_epg = INDEX_INVALID,
- .gel_itf = GBP_ITF_HDL_INVALID,
- .gel_locks = 0,
- };
- u32 pos;
-
- pos = vec_search_with_function (ge->ge_locs, &gel,
- gbp_endpoint_loc_is_equal);
-
- if (~0 == pos)
- {
- vec_add1 (ge->ge_locs, gel);
-
- if (vec_len (ge->ge_locs) > 1)
- {
- vec_sort_with_function (ge->ge_locs, gbp_endpoint_loc_cmp_for_sort);
-
- pos = vec_search_with_function (ge->ge_locs, &gel,
- gbp_endpoint_loc_is_equal);
- }
- else
- pos = 0;
-
- /*
- * it's the sources and children that lock the endpoints
- */
- fib_node_lock (&ge->ge_node);
- }
-
- return (&ge->ge_locs[pos]);
-}
-
-/**
- * Find an EP inthe DBs and check that if we find it in the L2 DB
- * it has the same IPs as this update
- */
-static int
-gbp_endpoint_find_for_update (const ip46_address_t * ips,
- const gbp_route_domain_t * grd,
- const mac_address_t * mac,
- const gbp_bridge_domain_t * gbd,
- gbp_endpoint_t ** ge)
-{
- gbp_endpoint_t *l2_ge, *l3_ge, *tmp;
-
- l2_ge = l3_ge = NULL;
-
- if (NULL != mac && !mac_address_is_zero (mac))
- {
- ASSERT (gbd);
- l2_ge = gbp_endpoint_find_mac (mac->bytes, gbd->gb_bd_index);
- }
- if (NULL != ips && !ip46_address_is_zero (ips))
- {
- const ip46_address_t *ip;
- fib_protocol_t fproto;
-
- ASSERT (grd);
- vec_foreach (ip, ips)
- {
- fproto = fib_proto_from_ip46 (ip46_address_get_type (ip));
-
- tmp = gbp_endpoint_find_ip (ip, grd->grd_fib_index[fproto]);
-
- if (NULL == tmp)
- /* not found */
- continue;
- else if (NULL == l3_ge)
- /* first match against an IP address */
- l3_ge = tmp;
- else if (tmp == l3_ge)
- /* another match against IP address that is the same endpoint */
- continue;
- else
- {
- /*
- * a match agains a different endpoint.
- * this means the KEY of the EP is changing which is not allowed
- */
- return (-1);
- }
- }
- }
-
- if (NULL == l2_ge && NULL == l3_ge)
- /* not found */
- *ge = NULL;
- else if (NULL == l2_ge)
- /* found at L3 */
- *ge = l3_ge;
- else if (NULL == l3_ge)
- /* found at L2 */
- *ge = l2_ge;
- else
- {
- /* found both L3 and L2 - they must be the same else the KEY
- * is changing
- */
- if (l2_ge == l3_ge)
- *ge = l2_ge;
- else
- return (-1);
- }
-
- return (0);
-}
-
-static gbp_endpoint_src_t
-gbp_endpoint_get_best_src (const gbp_endpoint_t * ge)
-{
- if (0 == vec_len (ge->ge_locs))
- return (GBP_ENDPOINT_SRC_MAX);
-
- return (ge->ge_locs[0].gel_src);
-}
-
-static void
-gbp_endpoint_n_learned (int n)
-{
- gbp_n_learnt_endpoints += n;
-
- if (n > 0 && 1 == gbp_n_learnt_endpoints)
- {
- vlib_process_signal_event (vlib_get_main (),
- gbp_scanner_node.index,
- GBP_ENDPOINT_SCAN_START, 0);
- }
- if (n < 0 && 0 == gbp_n_learnt_endpoints)
- {
- vlib_process_signal_event (vlib_get_main (),
- gbp_scanner_node.index,
- GBP_ENDPOINT_SCAN_STOP, 0);
- }
-}
-
-static void
-gbp_endpoint_loc_update (const gbp_endpoint_t * ge,
- gbp_endpoint_loc_t * gel,
- const gbp_bridge_domain_t * gb,
- u32 sw_if_index,
- index_t ggi,
- gbp_endpoint_flags_t flags,
- const ip46_address_t * tun_src,
- const ip46_address_t * tun_dst)
-{
- int was_learnt, is_learnt;
-
- gel->gel_locks++;
- was_learnt = ! !(gel->gel_flags & GBP_ENDPOINT_FLAG_REMOTE);
- gel->gel_flags = flags;
- is_learnt = ! !(gel->gel_flags & GBP_ENDPOINT_FLAG_REMOTE);
-
- gbp_endpoint_n_learned (is_learnt - was_learnt);
-
- /*
- * update the EPG
- */
- gbp_endpoint_group_lock (ggi);
- gbp_endpoint_group_unlock (gel->gel_epg);
- gel->gel_epg = ggi;
-
- if (gel->gel_flags & GBP_ENDPOINT_FLAG_REMOTE)
- {
- if (NULL != tun_src)
- ip46_address_copy (&gel->tun.gel_src, tun_src);
- if (NULL != tun_dst)
- ip46_address_copy (&gel->tun.gel_dst, tun_dst);
-
- if (ip46_address_is_multicast (&gel->tun.gel_src))
- {
- /*
- * we learnt the EP from the multicast tunnel.
- * Create a unicast TEP from the packet's source
- * and the fixed address of the BD's parent tunnel
- */
- const gbp_vxlan_tunnel_t *gt;
-
- gt = gbp_vxlan_tunnel_get (gb->gb_vni);
-
- if (NULL != gt)
- {
- ip46_address_copy (&gel->tun.gel_src, >->gt_src);
- sw_if_index = gt->gt_sw_if_index;
- }
- }
-
- /*
- * the input interface may be the parent GBP-vxlan interface,
- * create a child vlxan-gbp tunnel and use that as the endpoint's
- * interface.
- */
- gbp_itf_hdl_t old = gel->gel_itf;
-
- switch (gbp_vxlan_tunnel_get_type (sw_if_index))
- {
- case GBP_VXLAN_TEMPLATE_TUNNEL:
- gel->tun.gel_parent_sw_if_index = sw_if_index;
- gel->gel_itf = gbp_vxlan_tunnel_clone_and_lock (sw_if_index,
- &gel->tun.gel_src,
- &gel->tun.gel_dst);
- break;
- case VXLAN_GBP_TUNNEL:
- gel->tun.gel_parent_sw_if_index =
- vxlan_gbp_tunnel_get_parent (sw_if_index);
- gel->gel_itf = vxlan_gbp_tunnel_lock_itf (sw_if_index);
- break;
- }
-
- gbp_itf_unlock (&old);
- }
- else
- {
- gel->gel_itf = gbp_itf_l2_add_and_lock (sw_if_index,
- ge->ge_key.gek_gbd);
- }
-}
-
-static void
-gbb_endpoint_fwd_reset (gbp_endpoint_t * ge)
-{
- const gbp_route_domain_t *grd;
- const gbp_bridge_domain_t *gbd;
- gbp_endpoint_fwd_t *gef;
- const fib_prefix_t *pfx;
- index_t *ai;
-
- gbd = gbp_bridge_domain_get (ge->ge_key.gek_gbd);
- gef = &ge->ge_fwd;
-
- vec_foreach (pfx, ge->ge_key.gek_ips)
- {
- u32 fib_index;
-
- grd = gbp_route_domain_get (ge->ge_key.gek_grd);
- fib_index = grd->grd_fib_index[pfx->fp_proto];
-
- bd_add_del_ip_mac (gbd->gb_bd_index, fib_proto_to_ip46 (pfx->fp_proto),
- &pfx->fp_addr, &ge->ge_key.gek_mac, 0);
-
- /*
- * remove a host route
- */
- if (gbp_endpoint_is_remote (ge))
- {
- fib_table_entry_special_remove (fib_index, pfx, gbp_fib_source_hi);
- }
-
- fib_table_entry_delete (fib_index, pfx, gbp_fib_source_low);
- }
- vec_foreach (ai, gef->gef_adjs)
- {
- adj_unlock (*ai);
- }
-
- if (gbp_itf_hdl_is_valid (gef->gef_itf))
- {
- l2fib_del_entry (ge->ge_key.gek_mac.bytes,
- gbd->gb_bd_index,
- gbp_itf_get_sw_if_index (gef->gef_itf));
- }
-
- gbp_itf_unlock (&gef->gef_itf);
- vec_free (gef->gef_adjs);
-}
-
-static void
-gbb_endpoint_fwd_recalc (gbp_endpoint_t * ge)
-{
- const gbp_bridge_domain_t *gbd;
- const gbp_endpoint_group_t *gg;
- const gbp_route_domain_t *grd;
- gbp_endpoint_loc_t *gel;
- gbp_endpoint_fwd_t *gef;
- const fib_prefix_t *pfx;
- index_t gei;
-
- /*
- * locations are sort in source priority order
- */
- gei = gbp_endpoint_index (ge);
- gel = &ge->ge_locs[0];
- gef = &ge->ge_fwd;
- gbd = gbp_bridge_domain_get (ge->ge_key.gek_gbd);
-
- gef->gef_flags = gel->gel_flags;
-
- if (INDEX_INVALID != gel->gel_epg)
- {
- gg = gbp_endpoint_group_get (gel->gel_epg);
- gef->gef_sclass = gg->gg_sclass;
- }
- else
- {
- gg = NULL;
- }
-
- gef->gef_itf = gbp_itf_clone_and_lock (gel->gel_itf);
-
- if (!mac_address_is_zero (&ge->ge_key.gek_mac))
- {
- gbp_itf_l2_set_input_feature (gef->gef_itf, L2INPUT_FEAT_GBP_FWD);
-
- if (gbp_endpoint_is_remote (ge) || gbp_endpoint_is_external (ge))
- {
- /*
- * bridged packets to external endpoints should be classifed
- * based on the EP's/BD's EPG
- */
- gbp_itf_l2_set_output_feature (gef->gef_itf,
- L2OUTPUT_FEAT_GBP_POLICY_MAC);
- }
- else
- {
- gbp_endpoint_add_itf (gbp_itf_get_sw_if_index (gef->gef_itf), gei);
- gbp_itf_l2_set_output_feature (gef->gef_itf,
- L2OUTPUT_FEAT_GBP_POLICY_PORT);
- }
- l2fib_add_entry (ge->ge_key.gek_mac.bytes,
- gbd->gb_bd_index,
- gbp_itf_get_sw_if_index (gef->gef_itf),
- L2FIB_ENTRY_RESULT_FLAG_STATIC);
- }
-
- vec_foreach (pfx, ge->ge_key.gek_ips)
- {
- ethernet_header_t *eth;
- u32 ip_sw_if_index;
- u32 fib_index;
- u8 *rewrite;
- index_t ai;
-
- rewrite = NULL;
- grd = gbp_route_domain_get (ge->ge_key.gek_grd);
- fib_index = grd->grd_fib_index[pfx->fp_proto];
- gef->gef_fib_index = fib_index;
-
- bd_add_del_ip_mac (gbd->gb_bd_index, fib_proto_to_ip46 (pfx->fp_proto),
- &pfx->fp_addr, &ge->ge_key.gek_mac, 1);
-
- /*
- * add a host route via the EPG's BVI we need this because the
- * adj fib does not install, due to cover refinement check, since
- * the BVI's prefix is /32
- */
- vec_validate (rewrite, sizeof (*eth) - 1);
- eth = (ethernet_header_t *) rewrite;
-
- eth->type = clib_host_to_net_u16 ((pfx->fp_proto == FIB_PROTOCOL_IP4 ?
- ETHERNET_TYPE_IP4 :
- ETHERNET_TYPE_IP6));
-
- if (gbp_endpoint_is_remote (ge))
- {
- /*
- * for dynamic EPs we must add the IP adjacency via the learned
- * tunnel since the BD will not contain the EP's MAC since it was
- * L3 learned. The dst MAC address used is the 'BD's MAC'.
- */
- ip_sw_if_index = gbp_itf_get_sw_if_index (gef->gef_itf);
-
- mac_address_to_bytes (gbp_route_domain_get_local_mac (),
- eth->src_address);
- mac_address_to_bytes (gbp_route_domain_get_remote_mac (),
- eth->dst_address);
- }
- else
- {
- /*
- * for the static EPs we add the IP adjacency via the BVI
- * knowing that the BD has the MAC address to route to and
- * that policy will be applied on egress to the EP's port
- */
- ip_sw_if_index = gbd->gb_bvi_sw_if_index;
-
- clib_memcpy (eth->src_address,
- vnet_sw_interface_get_hw_address (vnet_get_main (),
- ip_sw_if_index),
- sizeof (eth->src_address));
- mac_address_to_bytes (&ge->ge_key.gek_mac, eth->dst_address);
- }
-
- fib_table_entry_path_add (fib_index, pfx,
- gbp_fib_source_low,
- FIB_ENTRY_FLAG_NONE,
- fib_proto_to_dpo (pfx->fp_proto),
- &pfx->fp_addr, ip_sw_if_index,
- ~0, 1, NULL, FIB_ROUTE_PATH_FLAG_NONE);
-
- ai = adj_nbr_add_or_lock_w_rewrite (pfx->fp_proto,
- fib_proto_to_link (pfx->fp_proto),
- &pfx->fp_addr,
- ip_sw_if_index, rewrite);
- vec_add1 (gef->gef_adjs, ai);
-
- /*
- * if the endpoint is external then routed packet to it must be
- * classifed to the BD's EPG. but this will happen anyway with
- * the GBP_MAC classification.
- */
-
- if (NULL != gg)
- {
- if (gbp_endpoint_is_remote (ge))
- {
- dpo_id_t policy_dpo = DPO_INVALID;
-
- /*
- * interpose a policy DPO from the endpoint so that policy
- * is applied
- */
- gbp_policy_dpo_add_or_lock (fib_proto_to_dpo (pfx->fp_proto),
- grd->grd_scope,
- gg->gg_sclass, ~0, &policy_dpo);
-
- fib_table_entry_special_dpo_add (fib_index, pfx,
- gbp_fib_source_hi,
- FIB_ENTRY_FLAG_INTERPOSE,
- &policy_dpo);
- dpo_reset (&policy_dpo);
- }
-
- /*
- * send a gratuitous ARP on the EPG's uplink. this is done so
- * that if this EP has moved from some other place in the
- * 'fabric', upstream devices are informed
- */
- if (gbp_endpoint_is_local (ge) && ~0 != gg->gg_uplink_sw_if_index)
- {
- gbp_endpoint_add_itf (gbp_itf_get_sw_if_index (gef->gef_itf),
- gei);
- if (FIB_PROTOCOL_IP4 == pfx->fp_proto)
- ip4_neighbor_advertise (vlib_get_main (),
- vnet_get_main (),
- gg->gg_uplink_sw_if_index,
- &pfx->fp_addr.ip4);
- else
- ip6_neighbor_advertise (vlib_get_main (),
- vnet_get_main (),
- gg->gg_uplink_sw_if_index,
- &pfx->fp_addr.ip6);
- }
- }
- }
-
- if (gbp_endpoint_is_external (ge))
- {
- gbp_itf_l2_set_input_feature (gef->gef_itf,
- L2INPUT_FEAT_GBP_LPM_CLASSIFY);
- }
- else if (gbp_endpoint_is_local (ge))
- {
- /*
- * non-remote endpoints (i.e. those not arriving on iVXLAN
- * tunnels) need to be classifed based on the the input interface.
- * We enable the GBP-FWD feature only if the group has an uplink
- * interface (on which the GBP-FWD feature would send UU traffic).
- * External endpoints get classified based on an LPM match
- */
- l2input_feat_masks_t feats = L2INPUT_FEAT_GBP_SRC_CLASSIFY;
-
- if (NULL != gg && ~0 != gg->gg_uplink_sw_if_index)
- feats |= L2INPUT_FEAT_GBP_FWD;
- gbp_itf_l2_set_input_feature (gef->gef_itf, feats);
- }
-
- /*
- * update children with the new forwarding info
- */
- fib_node_back_walk_ctx_t bw_ctx = {
- .fnbw_reason = FIB_NODE_BW_REASON_FLAG_EVALUATE,
- .fnbw_flags = FIB_NODE_BW_FLAG_FORCE_SYNC,
- };
-
- fib_walk_sync (gbp_endpoint_fib_type, gei, &bw_ctx);
-}
-
-int
-gbp_endpoint_update_and_lock (gbp_endpoint_src_t src,
- u32 sw_if_index,
- const ip46_address_t * ips,
- const mac_address_t * mac,
- index_t gbdi, index_t grdi,
- sclass_t sclass,
- gbp_endpoint_flags_t flags,
- const ip46_address_t * tun_src,
- const ip46_address_t * tun_dst, u32 * handle)
-{
- gbp_bridge_domain_t *gbd;
- gbp_endpoint_group_t *gg;
- gbp_endpoint_src_t best;
- gbp_route_domain_t *grd;
- gbp_endpoint_loc_t *gel;
- gbp_endpoint_t *ge;
- index_t ggi, gei;
- int rv;
-
- if (~0 == sw_if_index)
- return (VNET_API_ERROR_INVALID_SW_IF_INDEX);
-
- ge = NULL;
- gg = NULL;
-
- /*
- * we need to determine the bridge-domain, either from the EPG or
- * the BD passed
- */
- if (SCLASS_INVALID != sclass)
- {
- ggi = gbp_endpoint_group_find (sclass);
-
- if (INDEX_INVALID == ggi)
- return (VNET_API_ERROR_NO_SUCH_ENTRY);
-
- gg = gbp_endpoint_group_get (ggi);
- gbdi = gg->gg_gbd;
- grdi = gg->gg_rd;
- }
- else
- {
- if (INDEX_INVALID == gbdi)
- return (VNET_API_ERROR_NO_SUCH_ENTRY);
- if (INDEX_INVALID == grdi)
- return (VNET_API_ERROR_NO_SUCH_FIB);
- ggi = INDEX_INVALID;
- }
-
- gbd = gbp_bridge_domain_get (gbdi);
- grd = gbp_route_domain_get (grdi);
- rv = gbp_endpoint_find_for_update (ips, grd, mac, gbd, &ge);
-
- if (0 != rv)
- return (rv);
-
- if (NULL == ge)
- {
- ge = gbp_endpoint_alloc (ips, grd, mac, gbd);
- }
- else
- {
- gbp_endpoint_ips_update (ge, ips, grd);
- }
-
- best = gbp_endpoint_get_best_src (ge);
- gei = gbp_endpoint_index (ge);
- gel = gbp_endpoint_loc_find_or_add (ge, src);
-
- gbp_endpoint_loc_update (ge, gel, gbd, sw_if_index, ggi, flags,
- tun_src, tun_dst);
-
- if (src <= best)
- {
- /*
- * either the best source has been updated or we have a new best source
- */
- gbb_endpoint_fwd_reset (ge);
- gbb_endpoint_fwd_recalc (ge);
- }
- else
- {
- /*
- * an update to a lower priority source, so we need do nothing
- */
- }
-
- if (handle)
- *handle = gei;
-
- GBP_ENDPOINT_INFO ("update: %U", format_gbp_endpoint, gei);
-
- return (0);
-}
-
-void
-gbp_endpoint_unlock (gbp_endpoint_src_t src, index_t gei)
-{
- gbp_endpoint_loc_t *gel, gel_copy;
- gbp_endpoint_src_t best;
- gbp_endpoint_t *ge;
- int removed;
-
- if (pool_is_free_index (gbp_endpoint_pool, gei))
- return;
-
- GBP_ENDPOINT_INFO ("delete: %U", format_gbp_endpoint, gei);
-
- ge = gbp_endpoint_get (gei);
-
- gel = gbp_endpoint_loc_find (ge, src);
-
- if (NULL == gel)
- return;
-
- /*
- * lock the EP so we can control when it is deleted
- */
- fib_node_lock (&ge->ge_node);
- best = gbp_endpoint_get_best_src (ge);
-
- /*
- * copy the location info since we'll lose it when it's removed from
- * the vector
- */
- clib_memcpy (&gel_copy, gel, sizeof (gel_copy));
-
- /*
- * remove the source we no longer need
- */
- removed = gbp_endpoint_loc_unlock (ge, gel);
-
- if (src == best)
- {
- /*
- * we have removed the old best source => recalculate fwding
- */
- if (0 == vec_len (ge->ge_locs))
- {
- /*
- * if there are no more sources left, then we need only release
- * the fwding resources held and then this EP is gawn.
- */
- gbb_endpoint_fwd_reset (ge);
- }
- else
- {
- /*
- * else there are more sources. release the old and get new
- * fwding objects
- */
- gbb_endpoint_fwd_reset (ge);
- gbb_endpoint_fwd_recalc (ge);
- }
- }
- /*
- * else
- * we removed a lower priority source so we need to do nothing
- */
-
- /*
- * clear up any resources held by the source
- */
- if (removed)
- gbp_endpoint_loc_destroy (&gel_copy);
-
- /*
- * remove the lock taken above
- */
- fib_node_unlock (&ge->ge_node);
- /*
- * We may have removed the last source and so this EP is now TOAST
- * DO NOTHING BELOW HERE
- */
-}
-
-u32
-gbp_endpoint_child_add (index_t gei,
- fib_node_type_t type, fib_node_index_t index)
-{
- return (fib_node_child_add (gbp_endpoint_fib_type, gei, type, index));
-}
-
-void
-gbp_endpoint_child_remove (index_t gei, u32 sibling)
-{
- return (fib_node_child_remove (gbp_endpoint_fib_type, gei, sibling));
-}
-
-typedef struct gbp_endpoint_flush_ctx_t_
-{
- u32 sw_if_index;
- gbp_endpoint_src_t src;
- index_t *geis;
-} gbp_endpoint_flush_ctx_t;
-
-static walk_rc_t
-gbp_endpoint_flush_cb (index_t gei, void *args)
-{
- gbp_endpoint_flush_ctx_t *ctx = args;
- gbp_endpoint_loc_t *gel;
- gbp_endpoint_t *ge;
-
- ge = gbp_endpoint_get (gei);
- gel = gbp_endpoint_loc_find (ge, ctx->src);
-
- if ((NULL != gel) && ctx->sw_if_index == gel->tun.gel_parent_sw_if_index)
- {
- vec_add1 (ctx->geis, gei);
- }
-
- return (WALK_CONTINUE);
-}
-
-/**
- * remove all learnt endpoints using the interface
- */
-void
-gbp_endpoint_flush (gbp_endpoint_src_t src, u32 sw_if_index)
-{
- gbp_endpoint_flush_ctx_t ctx = {
- .sw_if_index = sw_if_index,
- .src = src,
- };
- index_t *gei;
-
- GBP_ENDPOINT_INFO ("flush: %U %U",
- format_gbp_endpoint_src, src,
- format_vnet_sw_if_index_name, vnet_get_main (),
- sw_if_index);
- gbp_endpoint_walk (gbp_endpoint_flush_cb, &ctx);
-
- vec_foreach (gei, ctx.geis)
- {
- gbp_endpoint_unlock (src, *gei);
- }
-
- vec_free (ctx.geis);
-}
-
-void
-gbp_endpoint_walk (gbp_endpoint_cb_t cb, void *ctx)
-{
- u32 index;
-
- /* *INDENT-OFF* */
- pool_foreach_index (index, gbp_endpoint_pool)
- {
- if (!cb(index, ctx))
- break;
- }
- /* *INDENT-ON* */
-}
-
-static clib_error_t *
-gbp_endpoint_cli (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- ip46_address_t ip = ip46_address_initializer, *ips = NULL;
- mac_address_t mac = ZERO_MAC_ADDRESS;
- vnet_main_t *vnm = vnet_get_main ();
- u32 sclass = SCLASS_INVALID;
- u32 handle = INDEX_INVALID;
- u32 sw_if_index = ~0;
- u32 flags = GBP_ENDPOINT_FLAG_NONE;
- u8 add = 1;
- int rv;
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- ip46_address_reset (&ip);
-
- if (unformat (input, "%U", unformat_vnet_sw_interface,
- vnm, &sw_if_index))
- ;
- else if (unformat (input, "add"))
- add = 1;
- else if (unformat (input, "del"))
- add = 0;
- else if (unformat (input, "sclass %d", &sclass))
- ;
- else if (unformat (input, "handle %d", &handle))
- ;
- else if (unformat (input, "ip %U", unformat_ip4_address, &ip.ip4))
- vec_add1 (ips, ip);
- else if (unformat (input, "ip %U", unformat_ip6_address, &ip.ip6))
- vec_add1 (ips, ip);
- else if (unformat (input, "mac %U", unformat_mac_address, &mac))
- ;
- else if (unformat (input, "flags 0x%x", &flags))
- ;
- else
- break;
- }
-
- if (add)
- {
- if (~0 == sw_if_index)
- return clib_error_return (0, "interface must be specified");
- if (SCLASS_INVALID == sclass)
- return clib_error_return (0, "SCLASS must be specified");
-
- rv =
- gbp_endpoint_update_and_lock (GBP_ENDPOINT_SRC_CP,
- sw_if_index, ips, &mac,
- INDEX_INVALID, INDEX_INVALID,
- sclass, flags, NULL, NULL, &handle);
-
- if (rv)
- return clib_error_return (0, "GBP Endpoint update returned %d", rv);
- else
- vlib_cli_output (vm, "handle %d\n", handle);
- }
- else
- {
- if (INDEX_INVALID == handle)
- return clib_error_return (0, "handle must be specified");
-
- gbp_endpoint_unlock (GBP_ENDPOINT_SRC_CP, handle);
- }
-
- vec_free (ips);
-
- return (NULL);
-}
-
-/*?
- * Configure a GBP Endpoint
- *
- * @cliexpar
- * @cliexstart{gbp endpoint del <handle> | [add] <interface> sclass <SCLASS> ip <IP> mac <MAC> [flags <flags>]}
- * @cliexend
- ?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (gbp_endpoint_cli_node, static) = {
- .path = "gbp endpoint",
- .short_help = "gbp endpoint del <handle> | [add] <interface> sclass <SCLASS> ip <IP> mac <MAC> [flags <flags>]",
- .function = gbp_endpoint_cli,
-};
-/* *INDENT-ON* */
-
-u8 *
-format_gbp_endpoint_src (u8 * s, va_list * args)
-{
- gbp_endpoint_src_t action = va_arg (*args, gbp_endpoint_src_t);
-
- switch (action)
- {
-#define _(v,a) case GBP_ENDPOINT_SRC_##v: return (format (s, "%s", a));
- foreach_gbp_endpoint_src
-#undef _
- }
-
- return (format (s, "unknown"));
-}
-
-static u8 *
-format_gbp_endpoint_fwd (u8 * s, va_list * args)
-{
- gbp_endpoint_fwd_t *gef = va_arg (*args, gbp_endpoint_fwd_t *);
-
- s = format (s, "fwd:");
- s = format (s, "\n itf:[%U]", format_gbp_itf_hdl, gef->gef_itf);
- if (GBP_ENDPOINT_FLAG_NONE != gef->gef_flags)
- {
- s = format (s, " flags:%U", format_gbp_endpoint_flags, gef->gef_flags);
- }
-
- return (s);
-}
-
-static u8 *
-format_gbp_endpoint_key (u8 * s, va_list * args)
-{
- gbp_endpoint_key_t *gek = va_arg (*args, gbp_endpoint_key_t *);
- const fib_prefix_t *pfx;
-
- s = format (s, "ips:[");
-
- vec_foreach (pfx, gek->gek_ips)
- {
- s = format (s, "%U, ", format_fib_prefix, pfx);
- }
- s = format (s, "]");
-
- s = format (s, " mac:%U", format_mac_address_t, &gek->gek_mac);
-
- return (s);
-}
-
-static u8 *
-format_gbp_endpoint_loc (u8 * s, va_list * args)
-{
- gbp_endpoint_loc_t *gel = va_arg (*args, gbp_endpoint_loc_t *);
-
- s = format (s, "%U", format_gbp_endpoint_src, gel->gel_src);
- s = format (s, "\n EPG:%d [%U]", gel->gel_epg,
- format_gbp_itf_hdl, gel->gel_itf);
-
- if (GBP_ENDPOINT_FLAG_NONE != gel->gel_flags)
- {
- s = format (s, " flags:%U", format_gbp_endpoint_flags, gel->gel_flags);
- }
- if (GBP_ENDPOINT_FLAG_REMOTE & gel->gel_flags)
- {
- s = format (s, " tun:[");
- s = format (s, "parent:%U", format_vnet_sw_if_index_name,
- vnet_get_main (), gel->tun.gel_parent_sw_if_index);
- s = format (s, " {%U,%U}]",
- format_ip46_address, &gel->tun.gel_src, IP46_TYPE_ANY,
- format_ip46_address, &gel->tun.gel_dst, IP46_TYPE_ANY);
- }
-
- return (s);
-}
-
-u8 *
-format_gbp_endpoint (u8 * s, va_list * args)
-{
- index_t gei = va_arg (*args, index_t);
- gbp_endpoint_loc_t *gel;
- gbp_endpoint_t *ge;
-
- ge = gbp_endpoint_get (gei);
-
- s = format (s, "[@%d] %U", gei, format_gbp_endpoint_key, &ge->ge_key);
- s = format (s, " last-time:[%f]", ge->ge_last_time);
-
- vec_foreach (gel, ge->ge_locs)
- {
- s = format (s, "\n %U", format_gbp_endpoint_loc, gel);
- }
- s = format (s, "\n %U", format_gbp_endpoint_fwd, &ge->ge_fwd);
-
- return s;
-}
-
-static walk_rc_t
-gbp_endpoint_show_one (index_t gei, void *ctx)
-{
- vlib_main_t *vm;
-
- vm = ctx;
- vlib_cli_output (vm, " %U", format_gbp_endpoint, gei);
-
- return (WALK_CONTINUE);
-}
-
-static int
-gbp_endpoint_walk_ip_itf (clib_bihash_kv_24_8_t * kvp, void *arg)
-{
- ip46_address_t ip;
- vlib_main_t *vm;
- u32 sw_if_index;
-
- vm = arg;
-
- gbp_endpoint_extract_key_ip_itf (kvp, &ip, &sw_if_index);
-
- vlib_cli_output (vm, " {%U, %U} -> %d",
- format_ip46_address, &ip, IP46_TYPE_ANY,
- format_vnet_sw_if_index_name, vnet_get_main (),
- sw_if_index, kvp->value);
- return (BIHASH_WALK_CONTINUE);
-}
-
-static int
-gbp_endpoint_walk_mac_itf (clib_bihash_kv_16_8_t * kvp, void *arg)
-{
- mac_address_t mac;
- vlib_main_t *vm;
- u32 sw_if_index;
-
- vm = arg;
-
- gbp_endpoint_extract_key_mac_itf (kvp, &mac, &sw_if_index);
-
- vlib_cli_output (vm, " {%U, %U} -> %d",
- format_mac_address_t, &mac,
- format_vnet_sw_if_index_name, vnet_get_main (),
- sw_if_index, kvp->value);
- return (BIHASH_WALK_CONTINUE);
-}
-
-static clib_error_t *
-gbp_endpoint_show (vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- u32 show_dbs, handle;
-
- handle = INDEX_INVALID;
- show_dbs = 0;
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (input, "%d", &handle))
- ;
- else if (unformat (input, "db"))
- show_dbs = 1;
- else
- break;
- }
-
- if (INDEX_INVALID != handle)
- {
- vlib_cli_output (vm, "%U", format_gbp_endpoint, handle);
- }
- else if (show_dbs)
- {
- vlib_cli_output (vm, "\nDatabases:");
- clib_bihash_foreach_key_value_pair_24_8 (&gbp_ep_db.ged_by_ip_rd,
- gbp_endpoint_walk_ip_itf, vm);
- clib_bihash_foreach_key_value_pair_16_8
- (&gbp_ep_db.ged_by_mac_bd, gbp_endpoint_walk_mac_itf, vm);
- }
- else
- {
- vlib_cli_output (vm, "Endpoints:");
- gbp_endpoint_walk (gbp_endpoint_show_one, vm);
- }
-
- return (NULL);
-}
-
-/*?
- * Show Group Based Policy Endpoints and derived information
- *
- * @cliexpar
- * @cliexstart{show gbp endpoint}
- * @cliexend
- ?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (gbp_endpoint_show_node, static) = {
- .path = "show gbp endpoint",
- .short_help = "show gbp endpoint\n",
- .function = gbp_endpoint_show,
-};
-/* *INDENT-ON* */
-
-static void
-gbp_endpoint_check (index_t gei, f64 start_time)
-{
- gbp_endpoint_group_t *gg;
- gbp_endpoint_loc_t *gel;
- gbp_endpoint_t *ge;
-
- ge = gbp_endpoint_get (gei);
- gel = gbp_endpoint_loc_find (ge, GBP_ENDPOINT_SRC_DP);
-
- if (NULL != gel)
- {
- gg = gbp_endpoint_group_get (gel->gel_epg);
-
- if ((start_time - ge->ge_last_time) >
- gg->gg_retention.remote_ep_timeout)
- {
- gbp_endpoint_unlock (GBP_ENDPOINT_SRC_DP, gei);
- }
- }
-}
-
-static void
-gbp_endpoint_scan_l2 (vlib_main_t * vm)
-{
- clib_bihash_16_8_t *gte_table = &gbp_ep_db.ged_by_mac_bd;
- f64 last_start, start_time, delta_t;
- int i, j, k;
-
- if (!gte_table->instantiated)
- return;
-
- delta_t = 0;
- last_start = start_time = vlib_time_now (vm);
-
- for (i = 0; i < gte_table->nbuckets; i++)
- {
- clib_bihash_bucket_16_8_t *b;
- clib_bihash_value_16_8_t *v;
-
- /* allow no more than 20us without a pause */
- delta_t = vlib_time_now (vm) - last_start;
- if (delta_t > 20e-6)
- {
- /* suspend for 100 us */
- vlib_process_suspend (vm, 100e-6);
- last_start = vlib_time_now (vm);
- }
-
- b = clib_bihash_get_bucket_16_8 (gte_table, i);
- if (clib_bihash_bucket_is_empty_16_8 (b))
- continue;
- v = clib_bihash_get_value_16_8 (gte_table, b->offset);
-
- for (j = 0; j < (1 << b->log2_pages); j++)
- {
- for (k = 0; k < BIHASH_KVP_PER_PAGE; k++)
- {
- if (clib_bihash_is_free_16_8 (&v->kvp[k]))
- continue;
-
- gbp_endpoint_check (v->kvp[k].value, start_time);
-
- /*
- * Note: we may have just freed the bucket's backing
- * storage, so check right here...
- */
- if (clib_bihash_bucket_is_empty_16_8 (b))
- goto doublebreak;
- }
- v++;
- }
- doublebreak:
- ;
- }
-}
-
-static void
-gbp_endpoint_scan_l3 (vlib_main_t * vm)
-{
- clib_bihash_24_8_t *gte_table = &gbp_ep_db.ged_by_ip_rd;
- f64 last_start, start_time, delta_t;
- int i, j, k;
-
- if (!gte_table->instantiated)
- return;
-
- delta_t = 0;
- last_start = start_time = vlib_time_now (vm);
-
- for (i = 0; i < gte_table->nbuckets; i++)
- {
- clib_bihash_bucket_24_8_t *b;
- clib_bihash_value_24_8_t *v;
-
- /* allow no more than 20us without a pause */
- delta_t = vlib_time_now (vm) - last_start;
- if (delta_t > 20e-6)
- {
- /* suspend for 100 us */
- vlib_process_suspend (vm, 100e-6);
- last_start = vlib_time_now (vm);
- }
-
- b = clib_bihash_get_bucket_24_8 (gte_table, i);
- if (clib_bihash_bucket_is_empty_24_8 (b))
- continue;
- v = clib_bihash_get_value_24_8 (gte_table, b->offset);
-
- for (j = 0; j < (1 << b->log2_pages); j++)
- {
- for (k = 0; k < BIHASH_KVP_PER_PAGE; k++)
- {
- if (clib_bihash_is_free_24_8 (&v->kvp[k]))
- continue;
-
- gbp_endpoint_check (v->kvp[k].value, start_time);
-
- /*
- * Note: we may have just freed the bucket's backing
- * storage, so check right here...
- */
- if (clib_bihash_bucket_is_empty_24_8 (b))
- goto doublebreak;
- }
- v++;
- }
- doublebreak:
- ;
- }
-}
-
-void
-gbp_endpoint_scan (vlib_main_t * vm)
-{
- gbp_endpoint_scan_l2 (vm);
- gbp_endpoint_scan_l3 (vm);
-}
-
-static fib_node_t *
-gbp_endpoint_get_node (fib_node_index_t index)
-{
- gbp_endpoint_t *ge;
-
- ge = gbp_endpoint_get (index);
-
- return (&ge->ge_node);
-}
-
-static gbp_endpoint_t *
-gbp_endpoint_from_fib_node (fib_node_t * node)
-{
- ASSERT (gbp_endpoint_fib_type == node->fn_type);
- return ((gbp_endpoint_t *) node);
-}
-
-static void
-gbp_endpoint_last_lock_gone (fib_node_t * node)
-{
- const gbp_bridge_domain_t *gbd;
- const gbp_route_domain_t *grd;
- const fib_prefix_t *pfx;
- gbp_endpoint_t *ge;
-
- ge = gbp_endpoint_from_fib_node (node);
-
- ASSERT (0 == vec_len (ge->ge_locs));
-
- gbd = gbp_bridge_domain_get (ge->ge_key.gek_gbd);
-
- /*
- * we have removed the last source. this EP is toast
- */
- if (INDEX_INVALID != ge->ge_key.gek_gbd)
- {
- gbp_endpoint_del_mac (&ge->ge_key.gek_mac, gbd->gb_bd_index);
- }
- vec_foreach (pfx, ge->ge_key.gek_ips)
- {
- grd = gbp_route_domain_get (ge->ge_key.gek_grd);
- gbp_endpoint_del_ip (&pfx->fp_addr, grd->grd_fib_index[pfx->fp_proto]);
- }
- pool_put (gbp_endpoint_pool, ge);
-}
-
-static fib_node_back_walk_rc_t
-gbp_endpoint_back_walk_notify (fib_node_t * node,
- fib_node_back_walk_ctx_t * ctx)
-{
- ASSERT (0);
-
- return (FIB_NODE_BACK_WALK_CONTINUE);
-}
-
-/*
- * The FIB path's graph node virtual function table
- */
-static const fib_node_vft_t gbp_endpoint_vft = {
- .fnv_get = gbp_endpoint_get_node,
- .fnv_last_lock = gbp_endpoint_last_lock_gone,
- .fnv_back_walk = gbp_endpoint_back_walk_notify,
- // .fnv_mem_show = fib_path_memory_show,
-};
-
-static clib_error_t *
-gbp_endpoint_init (vlib_main_t * vm)
-{
-#define GBP_EP_HASH_NUM_BUCKETS (2 * 1024)
-#define GBP_EP_HASH_MEMORY_SIZE (1 << 20)
-
- clib_bihash_init_24_8 (&gbp_ep_db.ged_by_ip_rd,
- "GBP Endpoints - IP/RD",
- GBP_EP_HASH_NUM_BUCKETS, GBP_EP_HASH_MEMORY_SIZE);
-
- clib_bihash_init_16_8 (&gbp_ep_db.ged_by_mac_bd,
- "GBP Endpoints - MAC/BD",
- GBP_EP_HASH_NUM_BUCKETS, GBP_EP_HASH_MEMORY_SIZE);
-
- gbp_ep_logger = vlib_log_register_class ("gbp", "ep");
- gbp_endpoint_fib_type = fib_node_register_new_type (&gbp_endpoint_vft);
- gbp_fib_source_hi = fib_source_allocate ("gbp-endpoint-hi",
- FIB_SOURCE_PRIORITY_HI,
- FIB_SOURCE_BH_SIMPLE);
- gbp_fib_source_low = fib_source_allocate ("gbp-endpoint-low",
- FIB_SOURCE_PRIORITY_LOW,
- FIB_SOURCE_BH_SIMPLE);
-
- return (NULL);
-}
-
-VLIB_INIT_FUNCTION (gbp_endpoint_init);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff