IFF_802_1Q_VLAN    72 include/linux/if_vlan.h         return dev->priv_flags & IFF_802_1Q_VLAN;
IFF_802_1Q_VLAN  1527 include/linux/netdevice.h #define IFF_802_1Q_VLAN			IFF_802_1Q_VLAN
IFF_802_1Q_VLAN   799 net/8021q/vlan_dev.c 	dev->priv_flags		|= IFF_802_1Q_VLAN | IFF_NO_QUEUE;