diff options
Diffstat (limited to 'proto/rip')
| -rw-r--r-- | proto/rip/rip.c | 26 | ||||
| -rw-r--r-- | proto/rip/rip.h | 1 |
2 files changed, 14 insertions, 13 deletions
diff --git a/proto/rip/rip.c b/proto/rip/rip.c index 35a151ad..5007715d 100644 --- a/proto/rip/rip.c +++ b/proto/rip/rip.c @@ -7,14 +7,13 @@ * Can be freely distributed and used under the terms of the GNU GPL. * FIXME: IpV6 support: packet size - FIXME: (nonurgent) IpV6 support: receive "route using" blocks - FIXME: (nonurgent) IpV6 support: generate "nexthop" blocks + FIXME: (nonurgent) IPv6 support: receive "route using" blocks + FIXME: (nonurgent) IPv6 support: generate "nexthop" blocks next hops are only advisory, and they are pretty ugly in IpV6. I suggest just forgetting about them. FIXME: (nonurgent): fold rip_connection into rip_interface? - FIXME: (nonurgent) allow bigger frequencies than 1 regular update in 6 seconds (?) FIXME: propagation of metric=infinity into main routing table may or may not be good idea. */ @@ -162,7 +161,7 @@ rip_tx( sock *s ) FIB_ITERATE_START(&P->rtable, &c->iter, z) { struct rip_entry *e = (struct rip_entry *) z; - if (!rif->triggered || (!(e->updated < now-5))) { + if (!rif->triggered || (!(e->updated < now-2))) { /* FIXME: Should be probably 1 or some different algorithm */ nullupdate = 0; i = rip_tx_prepare( p, packet->block + i, e, rif, i ); if (i >= maxi) { @@ -557,17 +556,23 @@ rip_timer(timer *t) DBG( "RIP: Broadcasting routing tables\n" ); { struct rip_interface *rif; + + if ( P_CF->period > 2 ) { /* Bring some randomness into sending times */ + if (! (P->tx_count % P_CF->period)) P->rnd_count = random_u32() % 2; + } else P->rnd_count = P->tx_count % P_CF->period; + WALK_LIST( rif, P->interfaces ) { struct iface *iface = rif->iface; if (!iface) continue; if (rif->mode & IM_QUIET) continue; if (!(iface->flags & IF_UP)) continue; + rif->triggered = P->rnd_count; - rif->triggered = (P->tx_count % 6); rip_sendto( p, IPA_NONE, 0, rif ); } - P->tx_count ++; + P->tx_count++; + P->rnd_count--; } DBG( "RIP: tick tock done\n" ); @@ -595,14 +600,9 @@ rip_start(struct proto *p) init_list( &P->interfaces ); P->timer = tm_new( p->pool ); P->timer->data = p; - P->timer->randomize = 2; - P->timer->recurrent = (P_CF->period / 6) - 1; - if (P_CF->period < 12) { - log(L_WARN "Period %d is too low. So I am using 12 which is the lowest possible value.", P_CF->period); - P->timer->recurrent = 1; - } + P->timer->recurrent = 1; P->timer->hook = rip_timer; - tm_start( P->timer, 5 ); + tm_start( P->timer, 2 ); rif = new_iface(p, NULL, 0, NULL); /* Initialize dummy interface */ add_head( &P->interfaces, NODE rif ); CHK_MAGIC; diff --git a/proto/rip/rip.h b/proto/rip/rip.h index 896fab64..e0816d0e 100644 --- a/proto/rip/rip.h +++ b/proto/rip/rip.h @@ -162,6 +162,7 @@ struct rip_proto { int magic; #endif int tx_count; /* Do one regular update once in a while */ + int rnd_count; /* Randomize sending time */ }; #ifdef LOCAL_DEBUG |