24 static void nps_enet_clean_rx_fifo(struct net_device *ndev, u32 frame_len)  in nps_enet_clean_rx_fifo()  argument
26 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_clean_rx_fifo()
34 static void nps_enet_read_rx_fifo(struct net_device *ndev,  in nps_enet_read_rx_fifo()  argument
37 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_read_rx_fifo()
62 static u32 nps_enet_rx_handler(struct net_device *ndev)  in nps_enet_rx_handler()  argument
66 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_rx_handler()
84 		ndev->stats.rx_errors++;  in nps_enet_rx_handler()
90 		ndev->stats.rx_crc_errors++;  in nps_enet_rx_handler()
91 		ndev->stats.rx_dropped++;  in nps_enet_rx_handler()
97 		ndev->stats.rx_length_errors++;  in nps_enet_rx_handler()
98 		ndev->stats.rx_dropped++;  in nps_enet_rx_handler()
106 	skb = netdev_alloc_skb_ip_align(ndev, frame_len);  in nps_enet_rx_handler()
108 		ndev->stats.rx_errors++;  in nps_enet_rx_handler()
109 		ndev->stats.rx_dropped++;  in nps_enet_rx_handler()
114 	nps_enet_read_rx_fifo(ndev, skb->data, frame_len);  in nps_enet_rx_handler()
117 	skb->protocol = eth_type_trans(skb, ndev);  in nps_enet_rx_handler()
120 	ndev->stats.rx_packets++;  in nps_enet_rx_handler()
121 	ndev->stats.rx_bytes += frame_len;  in nps_enet_rx_handler()
128 	nps_enet_clean_rx_fifo(ndev, frame_len);  in nps_enet_rx_handler()
137 static void nps_enet_tx_handler(struct net_device *ndev)  in nps_enet_tx_handler()  argument
139 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_tx_handler()
153 		ndev->stats.tx_errors++;  in nps_enet_tx_handler()
155 		ndev->stats.tx_packets++;  in nps_enet_tx_handler()
156 		ndev->stats.tx_bytes += tx_ctrl_nt;  in nps_enet_tx_handler()
162 	if (netif_queue_stopped(ndev))  in nps_enet_tx_handler()
163 		netif_wake_queue(ndev);  in nps_enet_tx_handler()
175 	struct net_device *ndev = napi->dev;  in nps_enet_poll()  local
176 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_poll()
179 	nps_enet_tx_handler(ndev);  in nps_enet_poll()
180 	work_done = nps_enet_rx_handler(ndev);  in nps_enet_poll()
221 	struct net_device *ndev = dev_instance;  in nps_enet_irq_handler()  local
222 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_irq_handler()
235 static void nps_enet_set_hw_mac_address(struct net_device *ndev)  in nps_enet_set_hw_mac_address()  argument
237 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_set_hw_mac_address()
242 	ge_mac_cfg_1_value |= ndev->dev_addr[0] << CFG_1_OCTET_0_SHIFT;  in nps_enet_set_hw_mac_address()
243 	ge_mac_cfg_1_value |= ndev->dev_addr[1] << CFG_1_OCTET_1_SHIFT;  in nps_enet_set_hw_mac_address()
244 	ge_mac_cfg_1_value |= ndev->dev_addr[2] << CFG_1_OCTET_2_SHIFT;  in nps_enet_set_hw_mac_address()
245 	ge_mac_cfg_1_value |= ndev->dev_addr[3] << CFG_1_OCTET_3_SHIFT;  in nps_enet_set_hw_mac_address()
247 		 | ndev->dev_addr[4] << CFG_2_OCTET_4_SHIFT;  in nps_enet_set_hw_mac_address()
249 		 | ndev->dev_addr[5] << CFG_2_OCTET_5_SHIFT;  in nps_enet_set_hw_mac_address()
260  * @ndev:       Pointer to the network device.
268 static void nps_enet_hw_reset(struct net_device *ndev)  in nps_enet_hw_reset()  argument
270 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_hw_reset()
291 static void nps_enet_hw_enable_control(struct net_device *ndev)  in nps_enet_hw_enable_control()  argument
293 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_hw_enable_control()
315 	max_frame_length = ETH_HLEN + ndev->mtu + ETH_FCS_LEN;  in nps_enet_hw_enable_control()
329 	nps_enet_set_hw_mac_address(ndev);  in nps_enet_hw_enable_control()
365 static void nps_enet_hw_disable_control(struct net_device *ndev)  in nps_enet_hw_disable_control()  argument
367 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_hw_disable_control()
376 static void nps_enet_send_frame(struct net_device *ndev,  in nps_enet_send_frame()  argument
379 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_send_frame()
404  * @ndev:       Pointer to net_device structure.
413 static s32 nps_enet_set_mac_address(struct net_device *ndev, void *p)  in nps_enet_set_mac_address()  argument
418 	if (netif_running(ndev))  in nps_enet_set_mac_address()
421 	res = eth_mac_addr(ndev, p);  in nps_enet_set_mac_address()
423 		eth_hw_addr_set(ndev, addr->sa_data);  in nps_enet_set_mac_address()
424 		nps_enet_set_hw_mac_address(ndev);  in nps_enet_set_mac_address()
432  * @ndev:       Pointer to the network device.
436 static void nps_enet_set_rx_mode(struct net_device *ndev)  in nps_enet_set_rx_mode()  argument
438 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_set_rx_mode()
441 	if (ndev->flags & IFF_PROMISC) {  in nps_enet_set_rx_mode()
459  * @ndev:       Pointer to the network device.
466 static s32 nps_enet_open(struct net_device *ndev)  in nps_enet_open()  argument
468 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_open()
484 	nps_enet_hw_disable_control(ndev);  in nps_enet_open()
488 			  0, "enet-rx-tx", ndev);  in nps_enet_open()
495 	nps_enet_hw_reset(ndev);  in nps_enet_open()
496 	nps_enet_hw_enable_control(ndev);  in nps_enet_open()
498 	netif_start_queue(ndev);  in nps_enet_open()
505  * @ndev:       Pointer to the network device.
509 static s32 nps_enet_stop(struct net_device *ndev)  in nps_enet_stop()  argument
511 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_stop()
514 	netif_stop_queue(ndev);  in nps_enet_stop()
515 	nps_enet_hw_disable_control(ndev);  in nps_enet_stop()
516 	free_irq(priv->irq, ndev);  in nps_enet_stop()
524  * @ndev:       Pointer to net_device structure.
532 				       struct net_device *ndev)  in nps_enet_start_xmit()  argument
534 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_start_xmit()
537 	netif_stop_queue(ndev);  in nps_enet_start_xmit()
546 	nps_enet_send_frame(ndev, skb);  in nps_enet_start_xmit()
552 static void nps_enet_poll_controller(struct net_device *ndev)  in nps_enet_poll_controller()  argument
554 	disable_irq(ndev->irq);  in nps_enet_poll_controller()
555 	nps_enet_irq_handler(ndev->irq, ndev);  in nps_enet_poll_controller()
556 	enable_irq(ndev->irq);  in nps_enet_poll_controller()
574 	struct net_device *ndev;  in nps_enet_probe()  local
581 	ndev = alloc_etherdev(sizeof(struct nps_enet_priv));  in nps_enet_probe()
582 	if (!ndev)  in nps_enet_probe()
585 	platform_set_drvdata(pdev, ndev);  in nps_enet_probe()
586 	SET_NETDEV_DEV(ndev, dev);  in nps_enet_probe()
587 	priv = netdev_priv(ndev);  in nps_enet_probe()
590 	ndev->netdev_ops = &nps_netdev_ops;  in nps_enet_probe()
591 	ndev->watchdog_timeo = (400 * HZ / 1000);  in nps_enet_probe()
593 	ndev->flags &= ~IFF_MULTICAST;  in nps_enet_probe()
603 	err = of_get_ethdev_address(dev->of_node, ndev);  in nps_enet_probe()
605 		eth_hw_addr_random(ndev);  in nps_enet_probe()
614 	netif_napi_add_weight(ndev, &priv->napi, nps_enet_poll,  in nps_enet_probe()
618 	err = register_netdev(ndev);  in nps_enet_probe()
620 		dev_err(dev, "Failed to register ndev for %s, err = 0x%08x\n",  in nps_enet_probe()
621 			ndev->name, (s32)err);  in nps_enet_probe()
631 	free_netdev(ndev);  in nps_enet_probe()
638 	struct net_device *ndev = platform_get_drvdata(pdev);  in nps_enet_remove()  local
639 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_remove()
641 	unregister_netdev(ndev);  in nps_enet_remove()
643 	free_netdev(ndev);  in nps_enet_remove()