Commit 09757646 authored by Julian Anastasov's avatar Julian Anastasov Committed by David S. Miller

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: default avatarMartin KaFai Lau <kafai@fb.com>
Fixes: 45e4fd26 ("ipv6: Only create RTF_CACHE routes after encountering pmtu exception")
Fixes: 7343ff31 ("ipv6: Don't create clones of host routes.")
Signed-off-by: default avatarJulian Anastasov <ja@ssi.bg>
Acked-by: default avatarDavid Ahern <dsahern@gmail.com>
Acked-by: default avatarMartin KaFai Lau <kafai@fb.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f0dc7f9c
...@@ -2307,9 +2307,6 @@ static void __ip6_rt_update_pmtu(struct dst_entry *dst, const struct sock *sk, ...@@ -2307,9 +2307,6 @@ static void __ip6_rt_update_pmtu(struct dst_entry *dst, const struct sock *sk,
const struct in6_addr *daddr, *saddr; const struct in6_addr *daddr, *saddr;
struct rt6_info *rt6 = (struct rt6_info *)dst; struct rt6_info *rt6 = (struct rt6_info *)dst;
if (rt6->rt6i_flags & RTF_LOCAL)
return;
if (dst_metric_locked(dst, RTAX_MTU)) if (dst_metric_locked(dst, RTAX_MTU))
return; return;
......
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