From: Eric Dumazet <eduma...@google.com>
Date: Sat, 18 Jun 2016 21:52:01 -0700
> In commit ca15a078bd90 ("sit: generate icmpv6 error when receiving icmpv4
> error"), Oussama Ghorbel added minimal support for SIT tunnels to
> generate ICMPv6 messages when receiving ICMPv4 messages.
>
> This patch series extends this to GRE tunnels.
>
> It also adds support for ICMPV6_TIME_EXCEED.
>
> Partial support for RFC 4884 is added, to forward ICMP Multi-part
> extensions eventually found in the ICMPv4 message.
>
> v2: replaced an overlapping memcpy() by memmove()
Series applied, thanks Eric.
