ADVERTISE_FULL
duplex = (media & ADVERTISE_FULL) ? 1 : 0;
mdio_write(dev, np->phys[0], MII_ADVERTISE, ADVERTISE_FULL);
iowrite32(ADVERTISE_FULL, ioaddr + ANARANLPAR);
duplex = (media & ADVERTISE_FULL) ? 1 : 0;