diff --git a/zebra/zebra_rib.c b/zebra/zebra_rib.c index bd82d6caf843..21e48e93b18f 100644 --- a/zebra/zebra_rib.c +++ b/zebra/zebra_rib.c @@ -1206,6 +1206,7 @@ static void rib_process(struct route_node *rn) rib_dest_t *dest; struct zebra_vrf *zvrf = NULL; struct vrf *vrf; + struct route_entry *proto_re_changed = NULL; vrf_id_t vrf_id = VRF_UNKNOWN; @@ -1275,6 +1276,7 @@ static void rib_process(struct route_node *rn) * skip it. */ if (CHECK_FLAG(re->status, ROUTE_ENTRY_CHANGED)) { + proto_re_changed = re; if (!nexthop_active_update(rn, re)) { const struct prefix *p; struct rib_table_info *info; @@ -1360,6 +1362,8 @@ static void rib_process(struct route_node *rn) * new_selected --- RE entry that is newly SELECTED * old_fib --- RE entry currently in kernel FIB * new_fib --- RE entry that is newly to be in kernel FIB + * proto_re_changed -- RE that is the last changed entry in the + * list of RE's. * * new_selected will get SELECTED flag, and is going to be redistributed * the zclients. new_fib (which can be new_selected) will be installed @@ -1414,6 +1418,22 @@ static void rib_process(struct route_node *rn) } } + /* + * If zebra has a new_selected and a proto_re_changed + * entry that was not the old selected and the protocol + * is different, zebra should notify the upper level + * protocol that the sent down entry was not selected + */ + if (new_selected && proto_re_changed && + proto_re_changed != old_selected && + new_selected->type != proto_re_changed->type) { + struct rib_table_info *info = srcdest_rnode_table_info(rn); + + zsend_route_notify_owner(rn, proto_re_changed, + ZAPI_ROUTE_BETTER_ADMIN_WON, info->afi, + info->safi); + } + /* Update fib according to selection results */ if (new_fib && old_fib) rib_process_update_fib(zvrf, rn, old_fib, new_fib);