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authorJulian Anastasov <ja@ssi.bg>2018-06-11 02:02:54 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-06-26 08:08:06 +0800
commitc66919125757e2d336de0ac467f8358aca0c1c5b (patch)
tree3adb400ac7089ee8807515216a47d23ea3bea726
parent780617b249e469750a49d38d0cdc845ba7398ea1 (diff)
ipv6: allow PMTU exceptions to local routes
[ Upstream commit 0975764684487bf3f7a47eef009e750ea41bd514 ] IPVS setups with local client and remote tunnel server need to create exception for the local virtual IP. What we do is to change PMTU from 64KB (on "lo") to 1460 in the common case. Suggested-by: Martin KaFai Lau <kafai@fb.com> Fixes: 45e4fd26683c ("ipv6: Only create RTF_CACHE routes after encountering pmtu exception") Fixes: 7343ff31ebf0 ("ipv6: Don't create clones of host routes.") Signed-off-by: Julian Anastasov <ja@ssi.bg> Acked-by: David Ahern <dsahern@gmail.com> Acked-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--net/ipv6/route.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index f6ac472acd0f..70fa31e37360 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1373,9 +1373,6 @@ static void __ip6_rt_update_pmtu(struct dst_entry *dst, const struct sock *sk,
{
struct rt6_info *rt6 = (struct rt6_info *)dst;
- if (rt6->rt6i_flags & RTF_LOCAL)
- return;
-
if (dst_metric_locked(dst, RTAX_MTU))
return;