summaryrefslogtreecommitdiffstats
path: root/proto/ospf
diff options
context:
space:
mode:
Diffstat (limited to 'proto/ospf')
-rw-r--r--proto/ospf/neighbor.c51
1 files changed, 26 insertions, 25 deletions
diff --git a/proto/ospf/neighbor.c b/proto/ospf/neighbor.c
index db97823..1527937 100644
--- a/proto/ospf/neighbor.c
+++ b/proto/ospf/neighbor.c
@@ -21,11 +21,15 @@ neigh_chstate(struct ospf_neighbor *n, u8 state)
{
struct ospf_iface *ifa;
struct proto *p;
+ u8 oldstate;
- if(n->state!=state)
+ oldstate=n->state;
+
+ if(oldstate!=state)
{
ifa=n->ifa;
- if(n->state==NEIGHBOR_FULL)
+ n->state=state;
+ if(oldstate==NEIGHBOR_FULL) /* Decrease number of adjacencies */
{
ifa->fadj--;
n->state=state;
@@ -35,14 +39,31 @@ neigh_chstate(struct ospf_neighbor *n, u8 state)
p=(struct proto *)(ifa->proto);
debug("%s: Neighbor %I changes state from \"%s\" to \"%s\".\n",
- p->name, n->ip, ospf_ns[n->state], ospf_ns[state]);
- n->state=state;
- if(state==NEIGHBOR_FULL)
+ p->name, n->ip, ospf_ns[oldstate], ospf_ns[state]);
+ if(state==NEIGHBOR_FULL) /* Increase number of adjacencies */
{
ifa->fadj++;
originate_rt_lsa(n->ifa->oa,n->ifa->oa->po);
originate_net_lsa(ifa,ifa->oa->po);
}
+ if(oldstate>=NEIGHBOR_EXSTART && state<NEIGHBOR_EXSTART)
+ {
+ tm_stop(n->rxmt_timer);
+ /* Stop RXMT timers */
+ }
+ if(state==NEIGHBOR_EXSTART)
+ {
+ if(n->adj==0) /* First time adjacency */
+ {
+ n->dds=random_u32();
+ }
+ n->dds++;
+ n->myimms.byte=0;
+ n->myimms.bit.ms=1;
+ n->myimms.bit.m=1;
+ n->myimms.bit.i=1;
+ tm_start(n->rxmt_timer,1); /* Or some other number ? */
+ }
}
}
@@ -169,24 +190,6 @@ can_do_adj(struct ospf_neighbor *n)
return i;
}
-/* Try to build neighbor adjacency (if does not exists) */
-void
-tryadj(struct ospf_neighbor *n, struct proto *p)
-{
- DBG("%s: Going to build adjacency.\n", p->name);
- neigh_chstate(n,NEIGHBOR_EXSTART);
- if(n->adj==0) /* First time adjacency */
- {
- n->dds=random_u32();
- }
- n->dds++;
- n->myimms.byte=0;
- n->myimms.bit.ms=1;
- n->myimms.bit.m=1;
- n->myimms.bit.i=1;
- tm_start(n->rxmt_timer,1); /* Or some other number ? */
-}
-
void
ospf_neigh_sm(struct ospf_neighbor *n, int event)
/* Interface state machine */
@@ -222,7 +225,6 @@ ospf_neigh_sm(struct ospf_neighbor *n, int event)
if(can_do_adj(n))
{
neigh_chstate(n,NEIGHBOR_EXSTART);
- tryadj(n,p);
}
ospf_int_sm(n->ifa, ISM_NEICH);
}
@@ -258,7 +260,6 @@ ospf_neigh_sm(struct ospf_neighbor *n, int event)
if(can_do_adj(n))
{
neigh_chstate(n,NEIGHBOR_EXSTART);
- tryadj(n,p);
}
break;
default: