rocker: add offload_fwd_mark support
If device flags ingress packet as "fwd offload", mark the skb->offlaod_fwd_mark using the ingress port's dev->offlaod_fwd_mark. This will be the hint to the kernel that this packet has already been forwarded by device to egress ports matching skb->offlaod_fwd_mark. For rocker, derive port dev->offlaod_fwd_mark based on device switch ID and port ifindex. If port is bridged, use the bridge ifindex rather than the port ifindex. Signed-off-by: NScott Feldman <sfeldma@gmail.com> Acked-by: NJiri Pirko <jiri@resnulli.us> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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