Ben Greear a3bcc23e89 af-packet: Add flag to distinguish VID 0 from no-vlan. ... Currently, user-space cannot determine if a 0 tcp_vlan_tci means there is no VLAN tag or the VLAN ID was zero. Add flag to make this explicit. User-space can check for TP_STATUS_VLAN_VALID || tp_vlan_tci > 0, which will be backwards compatible. Older could would have just checked for tp_vlan_tci, so it will work no worse than before. Signed-off-by: Ben Greear <greearb@candelatech.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2011-06-01 21:18:03 -07:00
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af_packet.c	af-packet: Add flag to distinguish VID 0 from no-vlan.	2011-06-01 21:18:03 -07:00
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