VLAN_TAG_SIZE
(((length) > ((min_frame_size) - VLAN_TAG_SIZE)) && \
((length) <= ((max_frame_size) + VLAN_TAG_SIZE + 1)))))
psize += VLAN_TAG_SIZE;
VLAN_TAG_SIZE, IGB_IOV_MAX_FRAME_SIZE);
max_frame_size = min(max_frame_size + VLAN_TAG_SIZE,
max_frame_size = min(sc->shared->isc_max_frame_size + VLAN_TAG_SIZE,
psize += VLAN_TAG_SIZE;