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229740c631
UDP tunnel segmentation code relies on the inner offsets being set for an UDP tunnel GSO packet, but the inner *_complete() functions will set the inner offsets only if 'encapsulation' is set before calling them. Currently, udp_gro_complete() sets 'encapsulation' only after the inner *_complete() functions are done. This causes the inner offsets having invalid values after udp_gro_complete() returns, which in turn will make it impossible to properly segment the packet in case it needs to be forwarded, which would be visible to the user either as invalid packets being sent or as packet loss. This patch fixes this by setting skb's 'encapsulation' in udp_gro_complete() before calling into the inner complete functions, and by making each possible UDP tunnel gro_complete() callback set the inner_mac_header to the beginning of the tunnel payload. Signed-off-by: Jarno Rajahalme <jarno@ovn.org> Reviewed-by: Alexander Duyck <aduyck@mirantis.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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