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Message-Id: <201003281715.o2SHFjai004362@94.43.138.210.xn.2iij.net> Date: Mon, 29 Mar 2010 02:15:45 +0900 From: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org> To: davem@...emloft.net CC: netdev@...r.kernel.org, yoshfuji@...ux-ipv6.org, guenter.roeck@...csson.com Subject: [PATCH net-2.6] ipv6: Don't drop cache route entry unless timer actually expired. This is ipv6 variant of the commit 5e016cbf6.. ("ipv4: Don't drop redirected route cache entry unless PTMU actually expired") by Guenter Roeck <guenter.roeck@...csson.com>. Remove cache route entry in ipv6_negative_advice() only if the timer is expired. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org> --- net/ipv6/route.c | 13 +++++++++---- 1 files changed, 9 insertions(+), 4 deletions(-) diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 7fcb0e5..0d7713c 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -890,12 +890,17 @@ static struct dst_entry *ip6_negative_advice(struct dst_entry *dst) struct rt6_info *rt = (struct rt6_info *) dst; if (rt) { - if (rt->rt6i_flags & RTF_CACHE) - ip6_del_rt(rt); - else + if (rt->rt6i_flags & RTF_CACHE) { + if (rt6_check_expired(rt)) { + ip6_del_rt(rt); + dst = NULL; + } + } else { dst_release(dst); + dst = NULL; + } } - return NULL; + return dst; } static void ip6_link_failure(struct sk_buff *skb) -- 1.5.6.5 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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