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(parent: 5fa2318) | patch
ip6_gre: Fix MTU setting for ip6gretap
authorHaishuang Yan <yanhaishuang@cmss.chinamobile.com>
Sat, 21 May 2016 10:17:34 +0000 (18:17 +0800)
committerDavid S. Miller <davem@davemloft.net>
Tue, 24 May 2016 21:33:48 +0000 (14:33 -0700)
commitbf02f48af63cb8fcbc982260fe84e3f0a28454c4
tree63e240aac0a2198bb5f16014c2f91b0edd0ae56ftree | snapshot
parent5fa231890fd6d8dc6e95f20b6b7b46fb3367fb15commit | diff
ip6_gre: Fix MTU setting for ip6gretap

When creat an ip6gretap interface with an unreachable route,
the MTU is about 14 bytes larger than what was needed.

If the remote address is reachable:
ping6 2001:0:130::1 -c 2
PING 2001:0:130::1(2001:0:130::1) 56 data bytes
64 bytes from 2001:0:130::1: icmp_seq=1 ttl=64 time=1.46 ms
64 bytes from 2001:0:130::1: icmp_seq=2 ttl=64 time=81.1 ms

Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv6/ip6_gre.c diff | blob | history
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