27 static void nps_enet_clean_rx_fifo(struct net_device *ndev, u32 frame_len)  in nps_enet_clean_rx_fifo()  argument
29 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_clean_rx_fifo()
37 static void nps_enet_read_rx_fifo(struct net_device *ndev,  in nps_enet_read_rx_fifo()  argument
40 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_read_rx_fifo()
63 static u32 nps_enet_rx_handler(struct net_device *ndev)  in nps_enet_rx_handler()  argument
67 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_rx_handler()
83 		ndev->stats.rx_errors++;  in nps_enet_rx_handler()
89 		ndev->stats.rx_crc_errors++;  in nps_enet_rx_handler()
90 		ndev->stats.rx_dropped++;  in nps_enet_rx_handler()
96 		ndev->stats.rx_length_errors++;  in nps_enet_rx_handler()
97 		ndev->stats.rx_dropped++;  in nps_enet_rx_handler()
105 	skb = netdev_alloc_skb_ip_align(ndev, frame_len);  in nps_enet_rx_handler()
107 		ndev->stats.rx_errors++;  in nps_enet_rx_handler()
108 		ndev->stats.rx_dropped++;  in nps_enet_rx_handler()
113 	nps_enet_read_rx_fifo(ndev, skb->data, frame_len);  in nps_enet_rx_handler()
116 	skb->protocol = eth_type_trans(skb, ndev);  in nps_enet_rx_handler()
119 	ndev->stats.rx_packets++;  in nps_enet_rx_handler()
120 	ndev->stats.rx_bytes += frame_len;  in nps_enet_rx_handler()
127 	nps_enet_clean_rx_fifo(ndev, frame_len);  in nps_enet_rx_handler()
136 static void nps_enet_tx_handler(struct net_device *ndev)  in nps_enet_tx_handler()  argument
138 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_tx_handler()
152 		ndev->stats.tx_errors++;  in nps_enet_tx_handler()
154 		ndev->stats.tx_packets++;  in nps_enet_tx_handler()
155 		ndev->stats.tx_bytes += tx_ctrl.nt;  in nps_enet_tx_handler()
161 	if (netif_queue_stopped(ndev))  in nps_enet_tx_handler()
162 		netif_wake_queue(ndev);  in nps_enet_tx_handler()
174 	struct net_device *ndev = napi->dev;  in nps_enet_poll()  local
175 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_poll()
178 	nps_enet_tx_handler(ndev);  in nps_enet_poll()
179 	work_done = nps_enet_rx_handler(ndev);  in nps_enet_poll()
206 	struct net_device *ndev = dev_instance;  in nps_enet_irq_handler()  local
207 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_irq_handler()
223 static void nps_enet_set_hw_mac_address(struct net_device *ndev)  in nps_enet_set_hw_mac_address()  argument
225 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_set_hw_mac_address()
230 	ge_mac_cfg_1.octet_0 = ndev->dev_addr[0];  in nps_enet_set_hw_mac_address()
231 	ge_mac_cfg_1.octet_1 = ndev->dev_addr[1];  in nps_enet_set_hw_mac_address()
232 	ge_mac_cfg_1.octet_2 = ndev->dev_addr[2];  in nps_enet_set_hw_mac_address()
233 	ge_mac_cfg_1.octet_3 = ndev->dev_addr[3];  in nps_enet_set_hw_mac_address()
234 	ge_mac_cfg_2->octet_4 = ndev->dev_addr[4];  in nps_enet_set_hw_mac_address()
235 	ge_mac_cfg_2->octet_5 = ndev->dev_addr[5];  in nps_enet_set_hw_mac_address()
254 static void nps_enet_hw_reset(struct net_device *ndev)  in nps_enet_hw_reset()  argument
256 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_hw_reset()
280 static void nps_enet_hw_enable_control(struct net_device *ndev)  in nps_enet_hw_enable_control()  argument
282 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_hw_enable_control()
304 	max_frame_length = ETH_HLEN + ndev->mtu + ETH_FCS_LEN;  in nps_enet_hw_enable_control()
315 	nps_enet_set_hw_mac_address(ndev);  in nps_enet_hw_enable_control()
346 static void nps_enet_hw_disable_control(struct net_device *ndev)  in nps_enet_hw_disable_control()  argument
348 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_hw_disable_control()
357 static void nps_enet_send_frame(struct net_device *ndev,  in nps_enet_send_frame()  argument
360 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_send_frame()
399 static s32 nps_enet_set_mac_address(struct net_device *ndev, void *p)  in nps_enet_set_mac_address()  argument
404 	if (netif_running(ndev))  in nps_enet_set_mac_address()
407 	res = eth_mac_addr(ndev, p);  in nps_enet_set_mac_address()
409 		ether_addr_copy(ndev->dev_addr, addr->sa_data);  in nps_enet_set_mac_address()
410 		nps_enet_set_hw_mac_address(ndev);  in nps_enet_set_mac_address()
422 static void nps_enet_set_rx_mode(struct net_device *ndev)  in nps_enet_set_rx_mode()  argument
424 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_set_rx_mode()
429 	if (ndev->flags & IFF_PROMISC) {  in nps_enet_set_rx_mode()
449 static s32 nps_enet_open(struct net_device *ndev)  in nps_enet_open()  argument
451 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_open()
464 	nps_enet_hw_disable_control(ndev);  in nps_enet_open()
468 			  0, "enet-rx-tx", ndev);  in nps_enet_open()
475 	nps_enet_hw_reset(ndev);  in nps_enet_open()
476 	nps_enet_hw_enable_control(ndev);  in nps_enet_open()
478 	netif_start_queue(ndev);  in nps_enet_open()
489 static s32 nps_enet_stop(struct net_device *ndev)  in nps_enet_stop()  argument
491 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_stop()
494 	netif_stop_queue(ndev);  in nps_enet_stop()
495 	nps_enet_hw_disable_control(ndev);  in nps_enet_stop()
496 	free_irq(priv->irq, ndev);  in nps_enet_stop()
512 				       struct net_device *ndev)  in nps_enet_start_xmit()  argument
514 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_start_xmit()
517 	netif_stop_queue(ndev);  in nps_enet_start_xmit()
521 	nps_enet_send_frame(ndev, skb);  in nps_enet_start_xmit()
527 static void nps_enet_poll_controller(struct net_device *ndev)  in nps_enet_poll_controller()  argument
529 	disable_irq(ndev->irq);  in nps_enet_poll_controller()
530 	nps_enet_irq_handler(ndev->irq, ndev);  in nps_enet_poll_controller()
531 	enable_irq(ndev->irq);  in nps_enet_poll_controller()
549 	struct net_device *ndev;  in nps_enet_probe()  local
558 	ndev = alloc_etherdev(sizeof(struct nps_enet_priv));  in nps_enet_probe()
559 	if (!ndev)  in nps_enet_probe()
562 	platform_set_drvdata(pdev, ndev);  in nps_enet_probe()
563 	SET_NETDEV_DEV(ndev, dev);  in nps_enet_probe()
564 	priv = netdev_priv(ndev);  in nps_enet_probe()
567 	ndev->netdev_ops = &nps_netdev_ops;  in nps_enet_probe()
568 	ndev->watchdog_timeo = (400 * HZ / 1000);  in nps_enet_probe()
570 	ndev->flags &= ~IFF_MULTICAST;  in nps_enet_probe()
583 		ether_addr_copy(ndev->dev_addr, mac_addr);  in nps_enet_probe()
585 		eth_hw_addr_random(ndev);  in nps_enet_probe()
595 	netif_napi_add(ndev, &priv->napi, nps_enet_poll,  in nps_enet_probe()
599 	err = register_netdev(ndev);  in nps_enet_probe()
602 			ndev->name, (s32)err);  in nps_enet_probe()
613 		free_netdev(ndev);  in nps_enet_probe()
620 	struct net_device *ndev = platform_get_drvdata(pdev);  in nps_enet_remove()  local
621 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_remove()
623 	unregister_netdev(ndev);  in nps_enet_remove()
624 	free_netdev(ndev);  in nps_enet_remove()