net: 8021q: skip packets if the vlan is down
If the vlan is down, free the packet instead of proceeding with other processing, or counting it as received. If vlan interfaces are used as slaves for bonding, with arp monitoring for connectivity, if the rx counter is seen to be incrementing, then the bond device will not observe that the interface is down. CC: David S. Miller <davem@davemloft.net> Signed-off-by: Vishakha Narvekar <Vishakha.Narvekar@dell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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