UDPROTO_HSHUBSTT
((sc)->sc_proto == UDPROTO_HSHUBSTT || (sc)->sc_proto == UDPROTO_HSHUBMTT)
#define UHUB_IS_SINGLE_TT(sc) ((sc)->sc_proto == UDPROTO_HSHUBSTT)
.bDeviceProtocol = UDPROTO_HSHUBSTT,