MAC_1000HD
bp->phylink_config.mac_capabilities |= MAC_1000HD;
priv->hw->link.caps &= ~(MAC_10HD | MAC_100HD | MAC_1000HD);
priv->hw->link.caps |= (MAC_10HD | MAC_100HD | MAC_1000HD);
priv->hw->link.caps &= ~(MAC_1000HD | MAC_100HD | MAC_10HD);
{ MAC_1000HD, SPEED_1000, DUPLEX_HALF, BIT(LINK_CAPA_1000HD) },
MAC_1000 = MAC_1000HD | MAC_1000FD,