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authorJulian Anastasov <ja@ssi.bg>2018-06-11 02:02:54 +0300
committerDavid S. Miller <davem@davemloft.net>2018-06-11 14:17:19 -0700
commit0975764684487bf3f7a47eef009e750ea41bd514 (patch)
treec5e85064cdc9856153b7def5d53c0c7795a454a1 /net/ipv6/route.c
parentf0dc7f9c6dd99891611fca5849cbc4c6965b690e (diff)
ipv6: allow PMTU exceptions to local routes
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>
Diffstat (limited to 'net/ipv6/route.c')
-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 fb956989adaf..86a0e4333d42 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2307,9 +2307,6 @@ static void __ip6_rt_update_pmtu(struct dst_entry *dst, const struct sock *sk,
const struct in6_addr *daddr, *saddr;
struct rt6_info *rt6 = (struct rt6_info *)dst;
- if (rt6->rt6i_flags & RTF_LOCAL)
- return;
-
if (dst_metric_locked(dst, RTAX_MTU))
return;