From 14758d87c48e9d829f58ace0736b0c5b3c7dc6ae Mon Sep 17 00:00:00 2001 From: Pavel Machek Date: Wed, 10 May 2000 12:23:06 +0000 Subject: Only announce change to main routing table if it is better than current. --- proto/rip/rip.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'proto/rip') diff --git a/proto/rip/rip.c b/proto/rip/rip.c index 39b38a6..52dce5d 100644 --- a/proto/rip/rip.c +++ b/proto/rip/rip.c @@ -235,6 +235,16 @@ find_interface(struct proto *p, struct iface *what) * Input processing */ +static void +rip_rte_update_if_better(rtable *tab, net *net, struct proto *p, rte *new) +{ + rte *old; + + old = rte_find(net, p); + if (!old || rip_rte_better(new, old)) + rte_update(tab, net, p, new); +} + /* Let main routing table know about our new entry */ static void advertise_entry( struct proto *p, struct rip_block *b, ip_addr whotoldme ) @@ -292,7 +302,7 @@ advertise_entry( struct proto *p, struct rip_block *b, ip_addr whotoldme ) r->u.rip.tag = ntohl(b->tag); r->net = n; r->pflags = 0; /* Here go my flags */ - rte_update( p->table, n, p, r ); + rip_rte_update_if_better( p->table, n, p, r ); DBG( "done\n" ); } -- cgit v1.2.3