netdev_tx 565 drivers/net/ethernet/altera/altera_tse_main.c enum netdev_tx ret = NETDEV_TX_OK; netdev_tx 6816 drivers/net/ethernet/micrel/ksz884x.c .ndo_start_xmit = netdev_tx, netdev_tx 114 include/linux/netdevice.h typedef enum netdev_tx netdev_tx_t;