VLAN_TAG_SIZE
(((length) > ((adapter)->min_frame_size - VLAN_TAG_SIZE)) && \
((length) <= ((adapter)->max_frame_size + VLAN_TAG_SIZE + 1)))))
max_frame_size = adapter->max_frame_size + VLAN_TAG_SIZE;
pkt_dev->pkt_overhead += VLAN_TAG_SIZE(pkt_dev);