STE_FLAG_LINK
sc->ste_flags &= ~STE_FLAG_LINK;
IFF_DRV_RUNNING || (sc->ste_flags & STE_FLAG_LINK) == 0)
sc->ste_flags &= ~STE_FLAG_LINK;
sc->ste_flags |= STE_FLAG_LINK;
if ((sc->ste_flags & STE_FLAG_LINK) != 0) {
if ((sc->ste_flags & STE_FLAG_LINK) == 0)