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23 October 2021, 00:29:24 UTC
Revision f4180439109aa720774baafdd798b3234ab1a0d2 authored by Eli Cooper on 01 December 2016, 02:05:10 UTC, committed by David S. Miller on 02 December 2016, 17:34:22 UTC 
ipv4: Set skb->protocol properly for local output
 
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_IP before dst_output() is called,
fixing a bug where GSO packets sent through a sit tunnel are dropped
when xfrm is involved.

Cc: stable@vger.kernel.org
Signed-off-by: Eli Cooper <elicooper@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent 84ac726
History
Tip revision: f4180439109aa720774baafdd798b3234ab1a0d2 authored by Eli Cooper on 01 December 2016, 02:05:10 UTC
ipv4: Set skb->protocol properly for local output
Tip revision: f418043
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