req->iface_flags = MBX_RX_IFACE_FLAGS_PROMISCUOUS;
if (enable & 0x02)
req->iface_flags = MBX_RX_IFACE_FLAGS_VLAN_PROMISCUOUS;
req->iface_flags |= MBX_RX_IFACE_FLAGS_VLAN_PROMISCUOUS;
req->if_id = sc->if_id;