netdev - Re: [PATCH] ip6_tunnel: Update skb->protocol to ETH_P_IPV6 in ip6_tnl

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Message-Id: <20161029.145020.331535030578639626.davem@davemloft.net>
Date:   Sat, 29 Oct 2016 14:50:20 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     elicooper@....com
Cc:     netdev@...r.kernel.org, tom@...bertland.com
Subject: Re: [PATCH] ip6_tunnel: Update skb->protocol to ETH_P_IPV6 in
 ip6_tnl_xmit()

From: Eli Cooper <elicooper@....com>
Date: Wed, 26 Oct 2016 10:11:09 +0800

> This patch updates skb->protocol to ETH_P_IPV6 in ip6_tnl_xmit() when an
> IPv6 header is installed to a socket buffer.
> 
> This is not a cosmetic change.  Without updating this value, GSO packets
> transmitted through an ipip6 tunnel have the protocol of ETH_P_IP and
> skb_mac_gso_segment() will attempt to call gso_segment() for IPv4,
> which results in the packets being dropped.
> 
> Fixes: b8921ca83eed ("ip4ip6: Support for GSO/GRO")
> Signed-off-by: Eli Cooper <elicooper@....com>

Applied and queued up for -stable, thank you.