RTL8366_PVCR_VAL
RTL8366_PVCR_VAL(0, RTL8366_PVCR_PORT_MASK),
RTL8366_PVCR_VAL(0, 1), RTL_WAITOK);
RTL8366_PVCR_VAL(port, RTL8366_PVCR_PORT_MASK),
RTL8366_PVCR_VAL(port, vlangroup), RTL_WAITOK);