From: Alexey Kodanev <alexey.koda...@oracle.com> Date: Thu, 11 Jan 2018 16:02:54 +0300
> For ip6gretap, reset dev->mtu to zero in ip6gre_tap_setup() > after ether_setup(), in order for it to work with the new check > in ip6gre_tunnel_init_common(). This part is error prone. Please instead add a new boolean argument to ip6gre_tunnel_init_common: "bool set_mtu". Set it to true when it is invoked from ip6gre_tap_init() and false when it is invoked from ip6gre_tunnel_init(). Thank you.
