* being used by a peer has changed (AF specific). Automatically
* initiates inbound or outbound processing as needed.
*/
-static void peer_on_policy_change(struct peer *peer, afi_t afi, safi_t safi,
- int outbound)
+void peer_on_policy_change(struct peer *peer, afi_t afi, safi_t safi,
+ int outbound)
{
if (outbound) {
update_group_adjust_peer(peer_af_find(peer, afi, safi));
return 0;
}
-static void peer_advertise_map_filter_update(struct peer *peer, afi_t afi,
- safi_t safi, const char *amap_name,
- struct route_map *amap,
- const char *cmap_name,
- struct route_map *cmap,
- bool condition, bool set)
-{
- struct bgp_filter *filter;
- bool filter_exists = false;
-
- filter = &peer->filter[afi][safi];
-
- /* advertise-map is already configured. */
- if (filter->advmap.aname) {
- filter_exists = true;
- XFREE(MTYPE_BGP_FILTER_NAME, filter->advmap.aname);
- XFREE(MTYPE_BGP_FILTER_NAME, filter->advmap.cname);
- }
-
- route_map_counter_decrement(filter->advmap.amap);
-
- /* Removed advertise-map configuration */
- if (!set) {
- memset(&filter->advmap, 0, sizeof(filter->advmap));
-
- /* decrement condition_filter_count delete timer if
- * this is the last advertise-map to be removed.
- */
- if (filter_exists)
- bgp_conditional_adv_disable(peer, afi, safi);
-
- /* Process peer route updates. */
- peer_on_policy_change(peer, afi, safi, 1);
-
- return;
- }
-
- /* Update filter data with newly configured values. */
- filter->advmap.aname = XSTRDUP(MTYPE_BGP_FILTER_NAME, amap_name);
- filter->advmap.cname = XSTRDUP(MTYPE_BGP_FILTER_NAME, cmap_name);
- filter->advmap.amap = amap;
- filter->advmap.cmap = cmap;
- filter->advmap.condition = condition;
- route_map_counter_increment(filter->advmap.amap);
- peer->advmap_config_change[afi][safi] = true;
-
- /* Increment condition_filter_count and/or create timer. */
- if (!filter_exists) {
- filter->advmap.update_type = UPDATE_TYPE_ADVERTISE;
- bgp_conditional_adv_enable(peer, afi, safi);
- }
-
- /* Process peer route updates. */
- peer_on_policy_change(peer, afi, safi, 1);
-}
-
-/* Set advertise-map to the peer. */
-int peer_advertise_map_set(struct peer *peer, afi_t afi, safi_t safi,
- const char *advertise_name,
- struct route_map *advertise_map,
- const char *condition_name,
- struct route_map *condition_map, bool condition)
-{
- struct peer *member;
- struct listnode *node, *nnode;
-
- /* Set configuration on peer. */
- peer_advertise_map_filter_update(peer, afi, safi, advertise_name,
- advertise_map, condition_name,
- condition_map, condition, true);
-
- /* Check if handling a regular peer & Skip peer-group mechanics. */
- if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) {
- /* Set override-flag and process peer route updates. */
- SET_FLAG(peer->filter_override[afi][safi][RMAP_OUT],
- PEER_FT_ADVERTISE_MAP);
- return 0;
- }
-
- /*
- * Set configuration on all peer-group members, unless they are
- * explicitly overriding peer-group configuration.
- */
- for (ALL_LIST_ELEMENTS(peer->group->peer, node, nnode, member)) {
- /* Skip peers with overridden configuration. */
- if (CHECK_FLAG(member->filter_override[afi][safi][RMAP_OUT],
- PEER_FT_ADVERTISE_MAP))
- continue;
-
- /* Set configuration on peer-group member. */
- peer_advertise_map_filter_update(
- member, afi, safi, advertise_name, advertise_map,
- condition_name, condition_map, condition, true);
- }
-
- return 0;
-}
-
-/* Unset advertise-map from the peer. */
-int peer_advertise_map_unset(struct peer *peer, afi_t afi, safi_t safi,
- const char *advertise_name,
- struct route_map *advertise_map,
- const char *condition_name,
- struct route_map *condition_map, bool condition)
-{
- struct peer *member;
- struct listnode *node, *nnode;
-
- /* advertise-map is not configured */
- if (!peer->filter[afi][safi].advmap.aname)
- return 0;
-
- /* Unset override-flag unconditionally. */
- UNSET_FLAG(peer->filter_override[afi][safi][RMAP_OUT],
- PEER_FT_ADVERTISE_MAP);
-
- /* Inherit configuration from peer-group if peer is member. */
- if (peer_group_active(peer)) {
- PEER_STR_ATTR_INHERIT(peer, peer->group,
- filter[afi][safi].advmap.aname,
- MTYPE_BGP_FILTER_NAME);
- PEER_ATTR_INHERIT(peer, peer->group,
- filter[afi][safi].advmap.amap);
- } else
- peer_advertise_map_filter_update(
- peer, afi, safi, advertise_name, advertise_map,
- condition_name, condition_map, condition, false);
-
- /* Check if handling a regular peer and skip peer-group mechanics. */
- if (!CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) {
- /* Process peer route updates. */
- if (BGP_DEBUG(update, UPDATE_OUT))
- zlog_debug("%s: Send normal update to %s for %s",
- __func__, peer->host,
- get_afi_safi_str(afi, safi, false));
-
- return 0;
- }
-
- /*
- * Remove configuration on all peer-group members, unless they are
- * explicitly overriding peer-group configuration.
- */
- for (ALL_LIST_ELEMENTS(peer->group->peer, node, nnode, member)) {
- /* Skip peers with overridden configuration. */
- if (CHECK_FLAG(member->filter_override[afi][safi][RMAP_OUT],
- PEER_FT_ADVERTISE_MAP))
- continue;
- /* Remove configuration on peer-group member. */
- peer_advertise_map_filter_update(
- member, afi, safi, advertise_name, advertise_map,
- condition_name, condition_map, condition, false);
-
- /* Process peer route updates. */
- if (BGP_DEBUG(update, UPDATE_OUT))
- zlog_debug("%s: Send normal update to %s for %s ",
- __func__, member->host,
- get_afi_safi_str(afi, safi, false));
- }
-
- return 0;
-}
-
static bool peer_maximum_prefix_clear_overflow(struct peer *peer)
{
if (!CHECK_FLAG(peer->sflags, PEER_STATUS_PREFIX_OVERFLOW))
projects / mirror_frr.git / blobdiff