SIS_FLAG_LINK
if ((sc->sis_flags & SIS_FLAG_LINK) == 0)
IFF_DRV_RUNNING || (sc->sis_flags & SIS_FLAG_LINK) == 0)
sc->sis_flags &= ~SIS_FLAG_LINK;
sc->sis_flags &= ~SIS_FLAG_LINK;
sc->sis_flags &= ~SIS_FLAG_LINK;
sc->sis_flags |= SIS_FLAG_LINK;
sc->sis_flags |= SIS_FLAG_LINK;
if ((sc->sis_flags & SIS_FLAG_LINK) == 0) {