e1000_loopback_test 1552 drivers/net/ethernet/intel/e1000/e1000_ethtool.c if (e1000_loopback_test(adapter, &data[3])) e1000_loopback_test 1832 drivers/net/ethernet/intel/e1000e/ethtool.c if (e1000_loopback_test(adapter, &data[3]))