CAS_LINK
IFF_DRV_RUNNING || (sc->sc_flags & CAS_LINK) == 0) {
if ((sc->sc_flags & CAS_LINK) != 0)
sc->sc_flags |= CAS_LINK;
sc->sc_flags &= ~CAS_LINK;
(sc->sc_flags & CAS_LINK) != 0) {
sc->sc_flags &= ~CAS_LINK;