tree 39bb9d5b58a76782437b675b0abb92ff3e74a570
parent 182a352d2d5e0b435f7856c0cc23d467dcec55ef
author Tom Herbert <tom@herbertland.com> 1461975140 -0700
committer David S. Miller <davem@davemloft.net> 1462231412 -0400

ipv6: Generic tunnel cleanup

A few generic changes to generalize tunnels in IPv6:
  - Export ip6_tnl_change_mtu so that it can be called by ip6_gre
  - Add tun_hlen to ip6_tnl structure.

Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>