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authorNeale Ranns <nranns@cisco.com>2018-11-07 09:25:54 -0800
committerDamjan Marion <dmarion@me.com>2018-11-15 17:22:55 +0000
commit13a08cc0984496d50722ffb75e2f48c5d84fb9a7 (patch)
treeee1088dbe24d45ee725134ca5589acaf70ffc6d0 /src/plugins/gbp/gbp_endpoint.c
parent96e2d4407b1538d8df4e277ba33b85876589e198 (diff)
GBP: redirect contracts
Change-Id: I463b153de93cfec29a9c15e8e84e41f6003d4c5f Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/plugins/gbp/gbp_endpoint.c')
-rw-r--r--src/plugins/gbp/gbp_endpoint.c1137
1 files changed, 812 insertions, 325 deletions
diff --git a/src/plugins/gbp/gbp_endpoint.c b/src/plugins/gbp/gbp_endpoint.c
index 47adbb57371..e9ced3f9e03 100644
--- a/src/plugins/gbp/gbp_endpoint.c
+++ b/src/plugins/gbp/gbp_endpoint.c
@@ -31,6 +31,7 @@
#include <vnet/l2/l2_fib.h>
#include <vnet/fib/fib_table.h>
#include <vnet/ip/ip_neighbor.h>
+#include <vnet/fib/fib_walk.h>
static const char *gbp_endpoint_attr_names[] = GBP_ENDPOINT_ATTR_NAMES;
@@ -39,6 +40,8 @@ static const char *gbp_endpoint_attr_names[] = GBP_ENDPOINT_ATTR_NAMES;
*/
gbp_ep_db_t gbp_ep_db;
+fib_node_type_t gbp_endpoint_fib_type;
+
vlib_log_class_t gbp_ep_logger;
#define GBP_ENDPOINT_DBG(...) \
@@ -89,7 +92,7 @@ format_gbp_endpoint_flags (u8 * s, va_list * args)
int
gbp_endpoint_is_remote (const gbp_endpoint_t * ge)
{
- return (ge->ge_flags & GBP_ENDPOINT_FLAG_REMOTE);
+ return (ge->ge_fwd.gef_flags & GBP_ENDPOINT_FLAG_REMOTE);
}
static void
@@ -194,264 +197,522 @@ ip46_address_get_type (const ip46_address_t * a)
return (ip46_address_is_ip4 (a) ? IP46_TYPE_IP4 : IP46_TYPE_IP6);
}
-static ip46_type_t
-ip46_address_get_len (const ip46_address_t * a)
+static int
+gbp_endpoint_ip_is_equal (const fib_prefix_t * fp, const ip46_address_t * ip)
{
- return (ip46_address_is_ip4 (a) ? 32 : 128);
+ 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 (epg_id_t epg_id,
- index_t ggi, u32 sw_if_index, gbp_endpoint_flags_t flags,
- const ip46_address_t * tun_src,
- const ip46_address_t * tun_dst)
+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);
- ge->ge_epg = ggi;
- ge->ge_epg_id = epg_id;
- ge->ge_flags = flags;
- ge->ge_sw_if_index = sw_if_index;
+ 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_itf = INDEX_INVALID;
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);
+
+ if (gel->gel_flags & GBP_ENDPOINT_FLAG_REMOTE)
+ {
+ vxlan_gbp_tunnel_unlock (gel->gel_sw_if_index);
+ }
+}
+
+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_sw_if_index = INDEX_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);
+}
- gbp_endpoint_group_find_and_lock (epg_id);
+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 (gbp_endpoint_loc_t * gel,
+ 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);
- if (gbp_endpoint_is_remote (ge))
+ if (INDEX_INVALID == gel->gel_epg)
+ {
+ gel->gel_epg = ggi;
+ if (INDEX_INVALID != gel->gel_epg)
+ {
+ gbp_endpoint_group_lock (gel->gel_epg);
+ }
+ }
+ else
+ {
+ ASSERT (gel->gel_epg == ggi);
+ }
+
+ if (gel->gel_flags & GBP_ENDPOINT_FLAG_REMOTE)
{
if (NULL != tun_src)
- ip46_address_copy (&ge->tun.ge_src, tun_src);
+ ip46_address_copy (&gel->tun.gel_src, tun_src);
if (NULL != tun_dst)
- ip46_address_copy (&ge->tun.ge_dst, tun_dst);
+ ip46_address_copy (&gel->tun.gel_dst, tun_dst);
/*
* the input interface may be the parent GBP-vxlan interface,
* create a child vlxan-gbp tunnel and use that as the endpoint's
* interface.
*/
+ if (~0 != gel->gel_sw_if_index)
+ vxlan_gbp_tunnel_unlock (gel->gel_sw_if_index);
+
switch (gbp_vxlan_tunnel_get_type (sw_if_index))
{
case GBP_VXLAN_TEMPLATE_TUNNEL:
- ge->tun.ge_parent_sw_if_index = sw_if_index;
- ge->ge_sw_if_index =
+ gel->tun.gel_parent_sw_if_index = sw_if_index;
+ gel->gel_sw_if_index =
gbp_vxlan_tunnel_clone_and_lock (sw_if_index,
- &ge->tun.ge_src,
- &ge->tun.ge_dst);
+ &gel->tun.gel_src,
+ &gel->tun.gel_dst);
break;
case VXLAN_GBP_TUNNEL:
- ge->tun.ge_parent_sw_if_index =
+ gel->tun.gel_parent_sw_if_index =
vxlan_gbp_tunnel_get_parent (sw_if_index);
- ge->ge_sw_if_index = sw_if_index;
- vxlan_gbp_tunnel_lock (ge->ge_sw_if_index);
+ gel->gel_sw_if_index = sw_if_index;
+ vxlan_gbp_tunnel_lock (gel->gel_sw_if_index);
break;
}
}
-
- return (ge);
+ else
+ {
+ gel->gel_sw_if_index = sw_if_index;
+ }
}
-int
-gbp_endpoint_update (u32 sw_if_index,
- const ip46_address_t * ips,
- const mac_address_t * mac,
- epg_id_t epg_id,
- gbp_endpoint_flags_t flags,
- const ip46_address_t * tun_src,
- const ip46_address_t * tun_dst, u32 * handle)
+static void
+gbb_endpoint_fwd_reset (gbp_endpoint_t * ge)
{
- gbp_endpoint_group_t *gg;
- gbp_endpoint_t *ge;
- index_t ggi, gei;
+ 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;
+ index_t gei;
+
+ gei = gbp_endpoint_index (ge);
+ 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;
- if (~0 == sw_if_index)
- return (VNET_API_ERROR_INVALID_SW_IF_INDEX);
+ grd = gbp_route_domain_get (ge->ge_key.gek_grd);
+ fib_index = grd->grd_fib_index[pfx->fp_proto];
- ge = NULL;
- ggi = gbp_endpoint_group_find_and_lock (epg_id);
+ 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);
- if (INDEX_INVALID == ggi)
- return (VNET_API_ERROR_NO_SUCH_ENTRY);
+ /*
+ * remove a host route
+ */
+ if (gbp_endpoint_is_remote (ge))
+ {
+ fib_table_entry_special_remove (fib_index, pfx, FIB_SOURCE_PLUGIN_HI);
+ }
- gg = gbp_endpoint_group_get (ggi);
+ fib_table_entry_delete (fib_index, pfx, FIB_SOURCE_PLUGIN_LOW);
+ }
+ vec_foreach (ai, gef->gef_adjs)
+ {
+ adj_unlock (*ai);
+ }
- /*
- * L2 EP
- */
- if (NULL != mac && !mac_address_is_zero (mac))
+ if (INDEX_INVALID != gef->gef_itf)
{
- /*
- * find an existing endpoint matching one of the key types
- */
- ge = gbp_endpoint_find_mac (mac->bytes, gg->gg_bd_index);
- if (NULL == ge)
- {
- /*
- * new entry
- */
- ge = gbp_endpoint_alloc (epg_id, ggi, sw_if_index, flags,
- tun_src, tun_dst);
- gei = gbp_endpoint_index (ge);
- mac_address_copy (&ge->ge_mac, mac);
-
- ge->ge_itf = gbp_itf_add_and_lock (ge->ge_sw_if_index,
- gg->gg_bd_index);
-
- gbp_itf_set_l2_input_feature (ge->ge_itf, gei,
- L2INPUT_FEAT_GBP_FWD);
+ l2fib_del_entry (ge->ge_key.gek_mac.bytes,
+ gbd->gb_bd_index, gef->gef_itf);
+ gbp_itf_set_l2_input_feature (gef->gef_itf, gei, (L2INPUT_FEAT_NONE));
+ gbp_itf_set_l2_output_feature (gef->gef_itf, gei, L2OUTPUT_FEAT_NONE);
- if (gbp_endpoint_is_remote (ge))
- {
- gbp_itf_set_l2_output_feature (ge->ge_itf, gei,
- L2OUTPUT_FEAT_GBP_POLICY_MAC);
- }
- else
- {
- gbp_endpoint_add_itf (ge->ge_sw_if_index, gei);
- gbp_itf_set_l2_output_feature (ge->ge_itf, gei,
- L2OUTPUT_FEAT_GBP_POLICY_PORT);
- }
+ gbp_itf_unlock (gef->gef_itf);
+ gef->gef_itf = INDEX_INVALID;
+ }
- gbp_endpoint_add_mac (mac, gg->gg_bd_index, gei);
+ vec_free (gef->gef_adjs);
+}
- l2fib_add_entry (mac->bytes, gg->gg_bd_index, ge->ge_sw_if_index,
- L2FIB_ENTRY_RESULT_FLAG_STATIC);
- }
- else
- {
- /*
- * update existing entry..
- */
- ge->ge_flags = flags;
- gei = gbp_endpoint_index (ge);
- goto out;
- }
- }
+static void
+gbb_endpoint_fwd_recalc (gbp_endpoint_t * ge)
+{
+ const gbp_route_domain_t *grd;
+ const gbp_bridge_domain_t *gbd;
+ const gbp_endpoint_group_t *gg;
+ gbp_endpoint_loc_t *gel;
+ gbp_endpoint_fwd_t *gef;
+ const fib_prefix_t *pfx;
+ index_t gei;
/*
- * L3 EP
+ * locations are sort in source priority order
*/
- if (NULL != ips && !ip46_address_is_zero (ips))
+ 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)
{
- const ip46_address_t *ip;
- fib_protocol_t fproto;
- gbp_endpoint_t *l3_ge;
- u32 ii;
+ gg = gbp_endpoint_group_get (gel->gel_epg);
+ gef->gef_epg_id = gg->gg_id;
+ }
+ else
+ {
+ gg = NULL;
+ }
- /*
- * look for a matching EP by any of the address
- * An EP's IP addresses cannot change so we can search based on
- * the first
- */
- fproto = fib_proto_from_ip46 (ip46_address_get_type (&ips[0]));
+ gef->gef_itf = gbp_itf_add_and_lock (gel->gel_sw_if_index,
+ gbd->gb_bd_index);
+
+ if (!mac_address_is_zero (&ge->ge_key.gek_mac))
+ {
+ gbp_itf_set_l2_input_feature (gef->gef_itf, gei, L2INPUT_FEAT_GBP_FWD);
- l3_ge = gbp_endpoint_find_ip (&ips[0],
- gbp_endpoint_group_get_fib_index (gg,
- fproto));
- if (NULL == l3_ge)
+ if (gbp_endpoint_is_remote (ge))
{
- if (NULL == ge)
- {
- ge = gbp_endpoint_alloc (epg_id, ggi, sw_if_index, flags,
- tun_src, tun_dst);
- ge->ge_itf = gbp_itf_add_and_lock (sw_if_index, ~0);
- }
- /* else
- * L2 EP with IPs
- */
+ gbp_itf_set_l2_output_feature (gef->gef_itf, gei,
+ L2OUTPUT_FEAT_GBP_POLICY_MAC);
}
else
{
- /* modify */
- ge = l3_ge;
- ge->ge_flags = flags;
- gei = gbp_endpoint_index (ge);
- goto out;
+ gbp_endpoint_add_itf (gef->gef_itf, gei);
+ gbp_itf_set_l2_output_feature (gef->gef_itf, gei,
+ L2OUTPUT_FEAT_GBP_POLICY_PORT);
}
+ l2fib_add_entry (ge->ge_key.gek_mac.bytes,
+ gbd->gb_bd_index,
+ gef->gef_itf, L2FIB_ENTRY_RESULT_FLAG_STATIC);
+ }
- gei = gbp_endpoint_index (ge);
- ge->ge_ips = ips;
- vec_validate (ge->ge_adjs, vec_len (ips) - 1);
-
- vec_foreach_index (ii, ge->ge_ips)
+ 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];
+
+ 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))
{
- ethernet_header_t *eth;
- ip46_type_t ip_type;
- u32 ip_sw_if_index;
- u8 *rewrite;
-
- rewrite = NULL;
- ip = &ge->ge_ips[ii];
- ip_type = ip46_address_get_type (ip);
- fproto = fib_proto_from_ip46 (ip_type);
-
- bd_add_del_ip_mac (gg->gg_bd_index, ip_type, ip, &ge->ge_mac, 1);
-
- // FIXME - check error
- gbp_endpoint_add_ip (ip,
- gbp_endpoint_group_get_fib_index (gg, fproto),
- gei);
-
/*
- * 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
+ * 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'.
*/
- fib_prefix_t pfx = {
- .fp_proto = fproto,
- .fp_len = ip46_address_get_len (ip),
- .fp_addr = *ip,
- };
- vec_validate (rewrite, sizeof (*eth) - 1);
- eth = (ethernet_header_t *) rewrite;
-
- eth->type = clib_host_to_net_u16 ((fproto == FIB_PROTOCOL_IP4 ?
- ETHERNET_TYPE_IP4 :
- ETHERNET_TYPE_IP6));
-
- if (gbp_endpoint_is_remote (ge))
- {
- /*
- * for dynamic EPs we msut 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 = ge->ge_sw_if_index;
+ ip_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 = gbp_endpoint_group_get_bvi (gg);
+ 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_mac, eth->dst_address);
- }
+ 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
- (gbp_endpoint_group_get_fib_index (gg, fproto),
- &pfx, FIB_SOURCE_PLUGIN_LOW,
- FIB_ENTRY_FLAG_NONE,
- fib_proto_to_dpo (fproto), ip, ip_sw_if_index,
- ~0, 1, NULL, FIB_ROUTE_PATH_FLAG_NONE);
+ fib_table_entry_path_add (fib_index, pfx,
+ FIB_SOURCE_PLUGIN_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);
- ge->ge_adjs[ii] = adj_nbr_add_or_lock_w_rewrite (fproto,
- fib_proto_to_link
- (fproto), ip,
- ip_sw_if_index,
- rewrite);
+ 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 (NULL != gg)
+ {
if (gbp_endpoint_is_remote (ge))
{
dpo_id_t policy_dpo = DPO_INVALID;
@@ -460,13 +721,13 @@ gbp_endpoint_update (u32 sw_if_index,
* interpose a policy DPO from the endpoint so that policy
* is applied
*/
- gbp_policy_dpo_add_or_lock (fib_proto_to_dpo (fproto),
+ gbp_policy_dpo_add_or_lock (fib_proto_to_dpo (pfx->fp_proto),
gg->gg_id, ~0, &policy_dpo);
- fib_table_entry_special_dpo_add
- (gbp_endpoint_group_get_fib_index (gg, fproto),
- &pfx,
- FIB_SOURCE_PLUGIN_HI, FIB_ENTRY_FLAG_INTERPOSE, &policy_dpo);
+ fib_table_entry_special_dpo_add (fib_index, pfx,
+ FIB_SOURCE_PLUGIN_HI,
+ FIB_ENTRY_FLAG_INTERPOSE,
+ &policy_dpo);
}
/*
@@ -474,68 +735,148 @@ gbp_endpoint_update (u32 sw_if_index,
* that if this EP has moved from some other place in the
* 'fabric', upstream devices are informed
*/
- if (!(gbp_endpoint_is_remote (ge)) && ~0 != gg->gg_uplink_sw_if_index)
+ if (!gbp_endpoint_is_remote (ge) && ~0 != gg->gg_uplink_sw_if_index)
{
- gbp_endpoint_add_itf (sw_if_index, gei);
- if (ip46_address_is_ip4 (ip))
+ gbp_endpoint_add_itf (gef->gef_itf, gei);
+ if (FIB_PROTOCOL_IP4 == pfx->fp_proto)
send_ip4_garp_w_addr (vlib_get_main (),
- &ip->ip4, gg->gg_uplink_sw_if_index);
+ &pfx->fp_addr.ip4,
+ gg->gg_uplink_sw_if_index);
else
send_ip6_na_w_addr (vlib_get_main (),
- &ip->ip6, gg->gg_uplink_sw_if_index);
+ &pfx->fp_addr.ip6,
+ gg->gg_uplink_sw_if_index);
}
}
+ }
+
+ if (!gbp_endpoint_is_remote (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).
+ */
+ 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_set_l2_input_feature (gef->gef_itf, gei, feats);
}
- if (NULL == ge)
- return (0);
+ /*
+ * 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, epg_id_t epg_id,
+ 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;
/*
- * count the number of dynamic entries and kick off the scanner
- * process is this is our first.
+ * we need to determine the bridge-domain, either from the EPG or
+ * the BD passed
*/
- if (gbp_endpoint_is_remote (ge))
+ if (EPG_INVALID != epg_id)
{
- gbp_n_learnt_endpoints++;
+ ggi = gbp_endpoint_group_find (epg_id);
- if (1 == gbp_n_learnt_endpoints)
- {
- vlib_process_signal_event (vlib_get_main (),
- gbp_scanner_node.index,
- GBP_ENDPOINT_SCAN_START, 0);
- }
+ 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 (gel, sw_if_index, ggi, flags, tun_src, tun_dst);
+
+ if (src <= best)
+ {
/*
- * 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 is the group has an uplink
- * interface (on which the GBP-FWD feature would send UU traffic).
+ * 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
*/
- l2input_feat_masks_t feats = L2INPUT_FEAT_GBP_SRC_CLASSIFY;
-
- if (~0 != gg->gg_uplink_sw_if_index)
- feats |= L2INPUT_FEAT_GBP_FWD;
- gbp_itf_set_l2_input_feature (ge->ge_itf, gbp_endpoint_index (ge),
- feats);
}
-out:
if (handle)
- *handle = (ge - gbp_endpoint_pool);
+ *handle = gei;
- gbp_endpoint_group_unlock (ggi);
GBP_ENDPOINT_INFO ("update: %U", format_gbp_endpoint, gei);
return (0);
}
void
-gbp_endpoint_delete (index_t gei)
+gbp_endpoint_unlock (gbp_endpoint_src_t src, index_t gei)
{
- gbp_endpoint_group_t *gg;
+ 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;
@@ -543,86 +884,90 @@ gbp_endpoint_delete (index_t gei)
GBP_ENDPOINT_INFO ("delete: %U", format_gbp_endpoint, gei);
ge = gbp_endpoint_get (gei);
- gg = gbp_endpoint_group_get (ge->ge_epg);
-
- gbp_endpoint_del_mac (&ge->ge_mac, gg->gg_bd_index);
- l2fib_del_entry (ge->ge_mac.bytes, gg->gg_bd_index, ge->ge_sw_if_index);
- gbp_itf_set_l2_input_feature (ge->ge_itf, gei, (L2INPUT_FEAT_NONE));
- gbp_itf_set_l2_output_feature (ge->ge_itf, gei, L2OUTPUT_FEAT_NONE);
-
- if (NULL != ge->ge_ips)
- {
- const ip46_address_t *ip;
- index_t *ai;
-
- vec_foreach (ai, ge->ge_adjs)
- {
- adj_unlock (*ai);
- }
- vec_foreach (ip, ge->ge_ips)
- {
- fib_protocol_t fproto;
- ip46_type_t ip_type;
- ip_type = ip46_address_get_type (ip);
- fproto = fib_proto_from_ip46 (ip_type);
+ gel = gbp_endpoint_loc_find (ge, src);
- gbp_endpoint_del_ip (ip,
- gbp_endpoint_group_get_fib_index (gg, fproto));
-
- bd_add_del_ip_mac (gg->gg_bd_index, ip_type, ip, &ge->ge_mac, 0);
+ if (NULL == gel)
+ return;
- /*
- * remove a host route via the EPG's BVI
- */
- fib_prefix_t pfx = {
- .fp_proto = fproto,
- .fp_len = ip46_address_get_len (ip),
- .fp_addr = *ip,
- };
+ /*
+ * lock the EP so we can control when it is deleted
+ */
+ fib_node_lock (&ge->ge_node);
+ best = gbp_endpoint_get_best_src (ge);
- if (gbp_endpoint_is_remote (ge))
- {
- fib_table_entry_special_remove
- (gbp_endpoint_group_get_fib_index (gg, fproto),
- &pfx, FIB_SOURCE_PLUGIN_HI);
- }
+ /*
+ * copy the location info since we'll lose it when it's removed from
+ * the vector
+ */
+ clib_memcpy (&gel_copy, gel, sizeof (gel_copy));
- fib_table_entry_path_remove
- (gbp_endpoint_group_get_fib_index (gg, fproto),
- &pfx, FIB_SOURCE_PLUGIN_LOW,
- fib_proto_to_dpo (fproto), ip,
- (gbp_endpoint_is_remote (ge) ?
- ge->ge_sw_if_index :
- gbp_endpoint_group_get_bvi (gg)),
- ~0, 1, FIB_ROUTE_PATH_FLAG_NONE);
- }
- }
+ /*
+ * remove the source we no longer need
+ */
+ removed = gbp_endpoint_loc_unlock (ge, gel);
- if (ge->ge_flags & GBP_ENDPOINT_FLAG_LEARNT)
+ if (src == best)
{
- gbp_n_learnt_endpoints--;
-
- if (0 == gbp_n_learnt_endpoints)
+ /*
+ * 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
{
- vlib_process_signal_event (vlib_get_main (),
- gbp_scanner_node.index,
- GBP_ENDPOINT_SCAN_STOP, 0);
+ /*
+ * 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
+ */
- gbp_itf_unlock (ge->ge_itf);
- if (gbp_endpoint_is_remote (ge))
- {
- vxlan_gbp_tunnel_unlock (ge->ge_sw_if_index);
- }
- gbp_endpoint_group_unlock (ge->ge_epg);
- pool_put (gbp_endpoint_pool, ge);
+ /*
+ * 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;
@@ -630,12 +975,13 @@ 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 (gbp_endpoint_is_remote (ge) &&
- ctx->sw_if_index == ge->tun.ge_parent_sw_if_index)
+ if ((NULL != gel) && ctx->sw_if_index == gel->tun.gel_parent_sw_if_index)
{
vec_add1 (ctx->geis, gei);
}
@@ -647,18 +993,23 @@ gbp_endpoint_flush_cb (index_t gei, void *args)
* remove all learnt endpoints using the interface
*/
void
-gbp_endpoint_flush (u32 sw_if_index)
+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_delete (*gei);
+ gbp_endpoint_unlock (src, *gei);
}
vec_free (ctx.geis);
@@ -724,8 +1075,12 @@ gbp_endpoint_cli (vlib_main_t * vm,
return clib_error_return (0, "EPG-ID must be specified");
rv =
- gbp_endpoint_update (sw_if_index, ips, &mac, epg_id,
- GBP_ENDPOINT_FLAG_NONE, NULL, NULL, &handle);
+ gbp_endpoint_update_and_lock (GBP_ENDPOINT_SRC_CP,
+ sw_if_index, ips, &mac,
+ INDEX_INVALID, INDEX_INVALID,
+ epg_id,
+ GBP_ENDPOINT_FLAG_NONE,
+ NULL, NULL, &handle);
if (rv)
return clib_error_return (0, "GBP Endpoint update returned %d", rv);
@@ -737,7 +1092,7 @@ gbp_endpoint_cli (vlib_main_t * vm,
if (INDEX_INVALID == handle)
return clib_error_return (0, "handle must be specified");
- gbp_endpoint_delete (handle);
+ gbp_endpoint_unlock (GBP_ENDPOINT_SRC_CP, handle);
}
vec_free (ips);
@@ -745,7 +1100,6 @@ gbp_endpoint_cli (vlib_main_t * vm,
return (NULL);
}
-
/*?
* Configure a GBP Endpoint
*
@@ -762,33 +1116,100 @@ VLIB_CLI_COMMAND (gbp_endpoint_cli_node, static) = {
/* *INDENT-ON* */
u8 *
-format_gbp_endpoint (u8 * s, va_list * args)
+format_gbp_endpoint_src (u8 * s, va_list * args)
{
- index_t gei = va_arg (*args, index_t);
- const ip46_address_t *ip;
- gbp_endpoint_t *ge;
+ gbp_endpoint_src_t action = va_arg (*args, gbp_endpoint_src_t);
- ge = gbp_endpoint_get (gei);
+ 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, 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, "[@%d] ", gei);
- s = format (s, "IPs:[");
+ s = format (s, "ips:[");
- vec_foreach (ip, ge->ge_ips)
+ vec_foreach (pfx, gek->gek_ips)
{
- s = format (s, "%U, ", format_ip46_address, ip, IP46_TYPE_ANY);
+ s = format (s, "%U, ", format_fib_prefix, pfx);
}
s = format (s, "]");
- s = format (s, " MAC:%U", format_mac_address_t, &ge->ge_mac);
- s = format (s, " EPG-ID:%d", ge->ge_epg_id);
- if (GBP_ENDPOINT_FLAG_NONE != ge->ge_flags)
+ 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 %U", format_vnet_sw_if_index_name, vnet_get_main (),
+ gel->gel_sw_if_index);
+ s = format (s, " EPG:%d", gel->gel_epg);
+
+ 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, " flags:%U", format_gbp_endpoint_flags, ge->ge_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);
}
- s = format (s, " itf:[%U]", format_gbp_itf, ge->ge_itf);
+ 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;
}
@@ -895,16 +1316,16 @@ VLIB_CLI_COMMAND (gbp_endpoint_show_node, static) = {
static void
gbp_endpoint_check (index_t gei, f64 start_time)
{
+ gbp_endpoint_loc_t *gel;
gbp_endpoint_t *ge;
ge = gbp_endpoint_get (gei);
+ gel = gbp_endpoint_loc_find (ge, GBP_ENDPOINT_SRC_DP);
- GBP_ENDPOINT_DBG ("scan at:%f -> %U", start_time, format_gbp_endpoint, gei);
-
- if ((ge->ge_flags & GBP_ENDPOINT_FLAG_LEARNT) &&
+ if ((NULL != gel) &&
((start_time - ge->ge_last_time) > GBP_ENDPOINT_INACTIVE_TIME))
{
- gbp_endpoint_delete (gei);
+ gbp_endpoint_unlock (GBP_ENDPOINT_SRC_DP, gei);
}
}
@@ -1031,12 +1452,77 @@ gbp_endpoint_scan_threshold (void)
return (GBP_ENDPOINT_INACTIVE_TIME);
}
-#define GBP_EP_HASH_NUM_BUCKETS (2 * 1024)
-#define GBP_EP_HASH_MEMORY_SIZE (1 << 20)
+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);
@@ -1046,6 +1532,7 @@ gbp_endpoint_init (vlib_main_t * vm)
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);
return (NULL);
}