MIIF_HAVEFIBER
sc->mii_flags |= MIIF_HAVEFIBER;
if ((sc->mii_flags & MIIF_HAVEFIBER) != 0) {
if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {