ipv6: Set skb->protocol properly for local output

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commit b4e479a96f upstream.

When xfrm is applied to TSO/GSO packets, it follows this path:

    xfrm_output() -> xfrm_output_gso() -> skb_gso_segment()

where skb_gso_segment() relies on skb->protocol to function properly.

This patch sets skb->protocol to ETH_P_IPV6 before dst_output() is called,
fixing a bug where GSO packets sent through an ipip6 tunnel are dropped
when xfrm is involved.

Signed-off-by: Eli Cooper <elicooper@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

...

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Eli Cooper 2016-12-01 10:05:11 +08:00 • committed by Ben Hutchings

parent bb8815da16

commit 770e91712c

1 changed files with 2 additions and 0 deletions

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net/ipv6/output_core.c

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