sit: strictly restrict incoming traffic to tunnel link device
Check link device when looking up a tunnel. When a tunnel is linked to a interface, traffic from a different interface must not reach the tunnel. This also allows creating of multiple tunnels with the same endpoints, if the link device differs. Signed-off-by:Sascha Hlusiak <contact@saschahlusiak.de> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
8db99e57
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