MAC_LOOP_PHY_NONE 306 drivers/net/ethernet/hisilicon/hns/hns_ethtool.c case MAC_LOOP_PHY_NONE: MAC_LOOP_PHY_NONE 554 drivers/net/ethernet/hisilicon/hns/hns_ethtool.c ret = __lb_setup(ndev, MAC_LOOP_PHY_NONE);