diff options
Diffstat (limited to 'zebra/zebra_rnh.c')
| -rw-r--r-- | zebra/zebra_rnh.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/zebra/zebra_rnh.c b/zebra/zebra_rnh.c index 65df4e15a..879da092f 100644 --- a/zebra/zebra_rnh.c +++ b/zebra/zebra_rnh.c @@ -514,6 +514,59 @@ static void zebra_rnh_notify_protocol_clients(vrf_id_t vrfid, int family, } } +static void zebra_rnh_process_pbr_tables(int family, + struct route_node *nrn, + struct rnh *rnh, + struct route_node *prn, + struct route_entry *re) +{ + struct zebra_ns_table *znst; + struct route_entry *o_re; + struct route_node *o_rn; + struct listnode *node; + struct zserv *client; + struct zebra_ns *zns; + afi_t afi = AFI_IP; + + if (family == AF_INET6) + afi = AFI_IP6; + + /* + * We are only concerned about nexthops that change for + * anyone using PBR + */ + for (ALL_LIST_ELEMENTS_RO(rnh->client_list, node, client)) { + if (client->proto == ZEBRA_ROUTE_PBR) + break; + } + + if (!client) + return; + + zns = zebra_ns_lookup(NS_DEFAULT); + RB_FOREACH (znst, zebra_ns_table_head, &zns->ns_tables) { + if (afi != znst->afi) + continue; + + for (o_rn = route_top(znst->table); + o_rn; o_rn = srcdest_route_next(o_rn)) { + RNODE_FOREACH_RE (o_rn, o_re) { + if (o_re->type == ZEBRA_ROUTE_PBR) + break; + + } + + /* + * If we have a PBR route and a nexthop changes + * just rethink it. Yes this is a hammer, but + * a small one + */ + if (o_re) + rib_queue_add(o_rn); + } + } +} + static void zebra_rnh_process_static_routes(vrf_id_t vrfid, int family, struct route_node *nrn, struct rnh *rnh, @@ -752,6 +805,9 @@ static void zebra_rnh_eval_nexthop_entry(vrf_id_t vrfid, int family, int force, zebra_rnh_process_static_routes(vrfid, family, nrn, rnh, prn, rnh->state); + zebra_rnh_process_pbr_tables(family, nrn, rnh, prn, + rnh->state); + /* Process pseudowires attached to this nexthop */ zebra_rnh_process_pseudowires(vrfid, rnh); } |