gre: better support for ICMP messages for gre+ipv6
authorEric Dumazet <edumazet@google.com>
Sun, 19 Jun 2016 04:52:05 +0000 (21:52 -0700)
committerDavid S. Miller <davem@davemloft.net>
Sun, 19 Jun 2016 05:11:39 +0000 (22:11 -0700)
commit9b8c6d7bf2e08a7d3eb6660a2bfaf29b8b49c329
tree3e887221b1576e9fdcbada9b9fcb7ddb1e779ca8
parent2d7a3b276be2d032a6c1a48ced87a474327ee3d3
gre: better support for ICMP messages for gre+ipv6

ipgre_err() can call ip6_err_gen_icmpv6_unreach() for proper
support of ipv4+gre+icmp+ipv6+... frames, used for example
by traceroute/mtr.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/ip_tunnels.h
net/ipv4/gre_demux.c
net/ipv4/ip_gre.c