net: systemport: tell RXCHK if we are using Broadcom tags
When Broadcom tags are enabled, e.g: when interfaced to an Ethernet switch, make sure that we tell the RXCHK engine that it should be expecting a 4-bytes Broadcom tag after the Ethernet MAC Source Address. Use netdev_uses_dsa() to check for that condition since that will tell us if a switch is attached to our network interface. Fixes: 80105bef ("net: systemport: add Broadcom SYSTEMPORT Ethernet MAC driver") Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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