diff options
Diffstat (limited to 'isisd/isis_adjacency.c')
| -rw-r--r-- | isisd/isis_adjacency.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/isisd/isis_adjacency.c b/isisd/isis_adjacency.c index 00763135e6..0957c897e6 100644 --- a/isisd/isis_adjacency.c +++ b/isisd/isis_adjacency.c @@ -212,6 +212,36 @@ static const char *adj_level2string(int level) return NULL; /* not reached */ } +static void isis_adj_route_switchover(struct isis_adjacency *adj) +{ + union g_addr ip = {}; + ifindex_t ifindex; + unsigned int i; + + if (!adj->circuit || !adj->circuit->interface) + return; + + ifindex = adj->circuit->interface->ifindex; + + for (i = 0; i < adj->ipv4_address_count; i++) { + ip.ipv4 = adj->ipv4_addresses[i]; + isis_circuit_switchover_routes(adj->circuit, AF_INET, &ip, + ifindex); + } + + for (i = 0; i < adj->ll_ipv6_count; i++) { + ip.ipv6 = adj->ll_ipv6_addrs[i]; + isis_circuit_switchover_routes(adj->circuit, AF_INET6, &ip, + ifindex); + } + + for (i = 0; i < adj->global_ipv6_count; i++) { + ip.ipv6 = adj->global_ipv6_addrs[i]; + isis_circuit_switchover_routes(adj->circuit, AF_INET6, &ip, + ifindex); + } +} + void isis_adj_process_threeway(struct isis_adjacency *adj, struct isis_threeway_adj *tw_adj, enum isis_adj_usage adj_usage) @@ -298,6 +328,16 @@ void isis_adj_state_change(struct isis_adjacency **padj, if (new_state == old_state) return; + if (old_state == ISIS_ADJ_UP && + !CHECK_FLAG(adj->circuit->flags, ISIS_CIRCUIT_IF_DOWN_FROM_Z)) { + if (IS_DEBUG_EVENTS) + zlog_debug( + "ISIS-Adj (%s): Starting fast-reroute on state change %d->%d: %s", + circuit->area->area_tag, old_state, new_state, + reason ? reason : "unspecified"); + isis_adj_route_switchover(adj); + } + adj->adj_state = new_state; send_hello_sched(circuit, adj->level, TRIGGERED_IIH_DELAY); |