From 16c2d48d8fe10521fd493886cf245c75d843fc69 Mon Sep 17 00:00:00 2001 From: Ondrej Filip Date: Tue, 13 Jul 2004 20:53:56 +0000 Subject: Bugfix - RIP now updates routes with worse metric. --- proto/rip/rip.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) (limited to 'proto/rip/rip.c') diff --git a/proto/rip/rip.c b/proto/rip/rip.c index 05525e9..5ff161f 100644 --- a/proto/rip/rip.c +++ b/proto/rip/rip.c @@ -2,6 +2,7 @@ * Rest in pieces - RIP protocol * * Copyright (c) 1998, 1999 Pavel Machek + * 2004 Ondrej Filip * * Can be freely distributed and used under the terms of the GNU GPL. * @@ -267,7 +268,6 @@ rip_rte_update_if_better(rtable *tab, net *net, struct proto *p, rte *new) if (!old || p->rte_better(new, old) || (ipa_equal(old->attrs->from, new->attrs->from) && (old->u.rip.metric != new->u.rip.metric)) ) - rte_update(tab, net, p, new); } @@ -361,8 +361,8 @@ process_block( struct proto *p, struct rip_block *block, ip_addr whotoldme ) ip_addr network = block->network; CHK_MAGIC; - TRACE(D_ROUTES, "block: %I tells me: %I/??? available, metric %d... ", whotoldme, network, metric ); - /* FIXME: Why `???'? If prefix is unknown, just don't print it. [mj] */ + TRACE(D_ROUTES, "block: %I tells me: %I/%d available, metric %d... ", + whotoldme, network, ipa_mklen(block->netmask), metric ); if ((!metric) || (metric > P_CF->infinity)) { #ifdef IPV6 /* Someone is sedning us nexthop and we are ignoring it */ if (metric == 0xff) @@ -881,6 +881,14 @@ rip_rt_notify(struct proto *p, struct network *net, struct rte *new, struct rte } } +static int +rip_rte_same(struct rte *new, struct rte *old) +{ + /* new->attrs == old->attrs always */ + return new->u.rip.metric == old->u.rip.metric; +} + + static int rip_rte_better(struct rte *new, struct rte *old) { @@ -938,6 +946,7 @@ rip_init_instance(struct proto *p) p->make_tmp_attrs = rip_make_tmp_attrs; p->store_tmp_attrs = rip_store_tmp_attrs; p->rte_better = rip_rte_better; + p->rte_same = rip_rte_same; p->rte_insert = rip_rte_insert; p->rte_remove = rip_rte_remove; } -- cgit v1.2.3