diff options
Diffstat (limited to 'isisd/isis_route.c')
| -rw-r--r-- | isisd/isis_route.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/isisd/isis_route.c b/isisd/isis_route.c index 636a63e290..a2b15b1c4d 100644 --- a/isisd/isis_route.c +++ b/isisd/isis_route.c @@ -51,6 +51,8 @@ static struct isis_nexthop *nexthoplookup(struct list *nexthops, int family, union g_addr *ip, ifindex_t ifindex); +static void isis_route_update(struct prefix *prefix, struct prefix_ipv6 *src_p, + struct isis_route_info *route_info); static struct isis_nexthop *isis_nexthop_create(int family, union g_addr *ip, ifindex_t ifindex) @@ -343,13 +345,34 @@ static void isis_route_delete(struct route_node *rode, UNSET_FLAG(rinfo->flag, ISIS_ROUTE_FLAG_ACTIVE); if (isis->debugs & DEBUG_RTE_EVENTS) zlog_debug("ISIS-Rte: route delete %s", buff); - isis_zebra_route_update(prefix, src_p, rinfo); + isis_route_update(prefix, src_p, rinfo); } isis_route_info_delete(rinfo); rode->info = NULL; route_unlock_node(rode); } +static void isis_route_update(struct prefix *prefix, struct prefix_ipv6 *src_p, + struct isis_route_info *route_info) +{ + if (CHECK_FLAG(route_info->flag, ISIS_ROUTE_FLAG_ACTIVE)) { + if (CHECK_FLAG(route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNCED)) + return; + + isis_zebra_route_add_route(prefix, src_p, route_info); + + SET_FLAG(route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNCED); + UNSET_FLAG(route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_RESYNC); + } else { + if (!CHECK_FLAG(route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNCED)) + return; + + isis_zebra_route_del_route(prefix, src_p, route_info); + + UNSET_FLAG(route_info->flag, ISIS_ROUTE_FLAG_ZEBRA_SYNCED); + } +} + static void _isis_route_verify_table(struct isis_area *area, struct route_table *table, struct route_table **tables) @@ -390,7 +413,7 @@ static void _isis_route_verify_table(struct isis_area *area, buff); } - isis_zebra_route_update(dst_p, src_p, rinfo); + isis_route_update(dst_p, src_p, rinfo); if (CHECK_FLAG(rinfo->flag, ISIS_ROUTE_FLAG_ACTIVE)) continue; |