netfilter: flowtable: use dev_fill_forward_path() to obtain ingress device
Obtain the ingress device in the tuple from the route in the reply direction. Use dev_fill_forward_path() instead to get the real ingress device for this flow. Fall back to use the ingress device that the IP forwarding route provides if: - dev_fill_forward_path() finds no real ingress device. - the ingress device that is obtained is not part of the flowtable devices. - this route has a xfrm policy. Signed-off-by:Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
5139c0c0
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