diff options
Diffstat (limited to 'ospfd/ospf_interface.c')
| -rw-r--r-- | ospfd/ospf_interface.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/ospfd/ospf_interface.c b/ospfd/ospf_interface.c index c132a3447..570624f92 100644 --- a/ospfd/ospf_interface.c +++ b/ospfd/ospf_interface.c @@ -1259,6 +1259,47 @@ static int ospf_ifp_create(struct interface *ifp) static int ospf_ifp_up(struct interface *ifp) { + struct ospf_interface *oi; + struct route_node *rn; + + /* Interface is already up. */ + if (if_is_operative(ifp)) { + /* Temporarily keep ifp values. */ + struct interface if_tmp; + memcpy(&if_tmp, ifp, sizeof(struct interface)); + + if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) + zlog_debug( + "Zebra: Interface[%s] state update speed %u -> %u, bw %d -> %d", + ifp->name, if_tmp.speed, ifp->speed, + if_tmp.bandwidth, ifp->bandwidth); + + ospf_if_recalculate_output_cost(ifp); + + if (if_tmp.mtu != ifp->mtu) { + if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) + zlog_debug( + "Zebra: Interface[%s] MTU change %u -> %u.", + ifp->name, if_tmp.mtu, ifp->mtu); + + /* Must reset the interface (simulate down/up) when MTU + * changes. */ + ospf_if_reset(ifp); + } + return 0; + } + + if (IS_DEBUG_OSPF(zebra, ZEBRA_INTERFACE)) + zlog_debug("Zebra: Interface[%s] state change to up.", + ifp->name); + + for (rn = route_top(IF_OIFS(ifp)); rn; rn = route_next(rn)) { + if ((oi = rn->info) == NULL) + continue; + + ospf_if_up(oi); + } + return 0; } |