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authorYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2006-11-06 18:45:44 +0100
committerDavid S. Miller <davem@sunset.davemloft.net>2006-11-22 01:16:23 +0100
commitea73ee23c43d6eb75f88c4fc9e1230b44673c0d2 (patch)
treee047fcb8f2c0459b7ce2b824d45206e88d46c714 /net
parentMerge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6 (diff)
downloadlinux-ea73ee23c43d6eb75f88c4fc9e1230b44673c0d2.tar.xz
linux-ea73ee23c43d6eb75f88c4fc9e1230b44673c0d2.zip
[IPV6] ROUTE: Try to use router which is not known unreachable.
Only routers in "FAILED" state should be considered unreachable. Otherwise, we do not try to use speicific routes unless all least specific routers are considered unreachable. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Diffstat (limited to 'net')
-rw-r--r--net/ipv6/route.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index c953466b7afd..5132821e89aa 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -330,6 +330,8 @@ static int inline rt6_check_neigh(struct rt6_info *rt)
read_lock_bh(&neigh->lock);
if (neigh->nud_state & NUD_VALID)
m = 2;
+ else if (!(neigh->nud_state & NUD_FAILED))
+ m = 1;
read_unlock_bh(&neigh->lock);
}
return m;