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ipv6: 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_IPV6 before dst_output() is called, fixing a bug where GSO packets sent through an ipip6 tunnel are dropped when xfrm is involved. Cc: [email protected] Signed-off-by: Eli Cooper <[email protected]> Signed-off-by: David S. Miller <[email protected]>
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