VR_F_LINK
if ((sc->vr_flags & VR_F_LINK) == 0)
IFF_DRV_RUNNING || (sc->vr_flags & VR_F_LINK) == 0)
sc->vr_flags &= ~(VR_F_LINK | VR_F_TXPAUSE);
sc->vr_flags &= ~(VR_F_LINK | VR_F_TXPAUSE);
if ((sc->vr_flags & VR_F_LINK) == 0) {
sc->vr_flags &= ~(VR_F_LINK | VR_F_TXPAUSE);
sc->vr_flags |= VR_F_LINK;
if ((sc->vr_flags & VR_F_LINK) != 0) {