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OSPF is ready for changing MTU.

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This commit is contained in:
Ondrej Filip
2004-06-04 18:51:29 +00:00
parent f158bb710b
commit e7ef86a58c
5 changed files with 38 additions and 2 deletions
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6
proto/ospf/dbdes.c
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@@ -119,6 +119,12 @@ ospf_dbdes_send(struct ospf_neighbor *n)
case NEIGHBOR_FULL:
length = ntohs(((struct ospf_packet *)n)->length);
if(!length)
{
OSPF_TRACE(D_PACKETS, "No packet in my buffer for repeating");
ospf_neigh_sm(n, INM_KILLNBR);
}
memcpy(ifa->ip_sk->tbuf, n->ldbdes, length);
/* Copy last sent packet again */

17
proto/ospf/iface.c
View File

@@ -430,8 +430,23 @@ ospf_if_notify(struct proto *p, unsigned flags, struct iface *iface)
{
if((ifa=find_iface((struct proto_ospf *)p, iface))!=NULL)
{
struct ospf_packet *op;
struct ospf_neighbor *n;
OSPF_TRACE(D_EVENTS, "Changing MTU on interface %s.", iface->name);
/* FIXME: change MTU */
sk_reallocate(ifa->hello_sk);
sk_reallocate(ifa->dr_sk);
sk_reallocate(ifa->ip_sk);
WALK_LIST(n,ifa->neigh_list)
{
op = (struct ospf_packet *)n->ldbdes;
n->ldbdes = mb_allocz(n->pool, iface->mtu);
if(ntohs(op->length) <= iface->mtu) /* If the packet in old buffer is bigger, let it filled by zeros */
memcpy(n->ldbdes, op, iface->mtu); /* If the packet is old is same or smaller, copy it */
rfree(op);
}
}
}
}

2
proto/ospf/neighbor.c
View File

@@ -38,7 +38,7 @@ ospf_neighbor_new(struct ospf_iface *ifa)
n->ifa = ifa;
add_tail(&ifa->neigh_list, NODE n);
n->adj = 0;
n->ldbdes=mb_alloc(pool, ifa->iface->mtu);
n->ldbdes=mb_allocz(pool, ifa->iface->mtu);
n->state=NEIGHBOR_DOWN;
n->inactim = tm_new(pool);