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由 Florian Fainelli 提交于
In case switch port tagging is disabled (voluntarily, or the switch just does not support it), allow us to continue using the defined set of dsa_device_ops in net/dsa/slave.c. We introduce dsa_protocol_is_tagged() to check whether we need to override skb->protocol and go through the DSA-specifif packet_type function, or if we just go on and receive the SKB through the normal path. Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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