36 static void nps_enet_clean_rx_fifo(struct net_device *ndev, u32 frame_len)  in nps_enet_clean_rx_fifo()  argument
38 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_clean_rx_fifo()
46 static void nps_enet_read_rx_fifo(struct net_device *ndev,  in nps_enet_read_rx_fifo()  argument
49 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_read_rx_fifo()
74 static u32 nps_enet_rx_handler(struct net_device *ndev)  in nps_enet_rx_handler()  argument
78 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_rx_handler()
96 		ndev->stats.rx_errors++;  in nps_enet_rx_handler()
102 		ndev->stats.rx_crc_errors++;  in nps_enet_rx_handler()
103 		ndev->stats.rx_dropped++;  in nps_enet_rx_handler()
109 		ndev->stats.rx_length_errors++;  in nps_enet_rx_handler()
110 		ndev->stats.rx_dropped++;  in nps_enet_rx_handler()
118 	skb = netdev_alloc_skb_ip_align(ndev, frame_len);  in nps_enet_rx_handler()
120 		ndev->stats.rx_errors++;  in nps_enet_rx_handler()
121 		ndev->stats.rx_dropped++;  in nps_enet_rx_handler()
126 	nps_enet_read_rx_fifo(ndev, skb->data, frame_len);  in nps_enet_rx_handler()
129 	skb->protocol = eth_type_trans(skb, ndev);  in nps_enet_rx_handler()
132 	ndev->stats.rx_packets++;  in nps_enet_rx_handler()
133 	ndev->stats.rx_bytes += frame_len;  in nps_enet_rx_handler()
140 	nps_enet_clean_rx_fifo(ndev, frame_len);  in nps_enet_rx_handler()
149 static void nps_enet_tx_handler(struct net_device *ndev)  in nps_enet_tx_handler()  argument
151 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_tx_handler()
165 		ndev->stats.tx_errors++;  in nps_enet_tx_handler()
167 		ndev->stats.tx_packets++;  in nps_enet_tx_handler()
168 		ndev->stats.tx_bytes += tx_ctrl_nt;  in nps_enet_tx_handler()
174 	if (netif_queue_stopped(ndev))  in nps_enet_tx_handler()
175 		netif_wake_queue(ndev);  in nps_enet_tx_handler()
187 	struct net_device *ndev = napi->dev;  in nps_enet_poll()  local
188 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_poll()
191 	nps_enet_tx_handler(ndev);  in nps_enet_poll()
192 	work_done = nps_enet_rx_handler(ndev);  in nps_enet_poll()
233 	struct net_device *ndev = dev_instance;  in nps_enet_irq_handler()  local
234 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_irq_handler()
247 static void nps_enet_set_hw_mac_address(struct net_device *ndev)  in nps_enet_set_hw_mac_address()  argument
249 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_set_hw_mac_address()
254 	ge_mac_cfg_1_value |= ndev->dev_addr[0] << CFG_1_OCTET_0_SHIFT;  in nps_enet_set_hw_mac_address()
255 	ge_mac_cfg_1_value |= ndev->dev_addr[1] << CFG_1_OCTET_1_SHIFT;  in nps_enet_set_hw_mac_address()
256 	ge_mac_cfg_1_value |= ndev->dev_addr[2] << CFG_1_OCTET_2_SHIFT;  in nps_enet_set_hw_mac_address()
257 	ge_mac_cfg_1_value |= ndev->dev_addr[3] << CFG_1_OCTET_3_SHIFT;  in nps_enet_set_hw_mac_address()
259 		 | ndev->dev_addr[4] << CFG_2_OCTET_4_SHIFT;  in nps_enet_set_hw_mac_address()
261 		 | ndev->dev_addr[5] << CFG_2_OCTET_5_SHIFT;  in nps_enet_set_hw_mac_address()
280 static void nps_enet_hw_reset(struct net_device *ndev)  in nps_enet_hw_reset()  argument
282 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_hw_reset()
303 static void nps_enet_hw_enable_control(struct net_device *ndev)  in nps_enet_hw_enable_control()  argument
305 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_hw_enable_control()
327 	max_frame_length = ETH_HLEN + ndev->mtu + ETH_FCS_LEN;  in nps_enet_hw_enable_control()
341 	nps_enet_set_hw_mac_address(ndev);  in nps_enet_hw_enable_control()
377 static void nps_enet_hw_disable_control(struct net_device *ndev)  in nps_enet_hw_disable_control()  argument
379 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_hw_disable_control()
388 static void nps_enet_send_frame(struct net_device *ndev,  in nps_enet_send_frame()  argument
391 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_send_frame()
425 static s32 nps_enet_set_mac_address(struct net_device *ndev, void *p)  in nps_enet_set_mac_address()  argument
430 	if (netif_running(ndev))  in nps_enet_set_mac_address()
433 	res = eth_mac_addr(ndev, p);  in nps_enet_set_mac_address()
435 		ether_addr_copy(ndev->dev_addr, addr->sa_data);  in nps_enet_set_mac_address()
436 		nps_enet_set_hw_mac_address(ndev);  in nps_enet_set_mac_address()
448 static void nps_enet_set_rx_mode(struct net_device *ndev)  in nps_enet_set_rx_mode()  argument
450 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_set_rx_mode()
453 	if (ndev->flags & IFF_PROMISC) {  in nps_enet_set_rx_mode()
478 static s32 nps_enet_open(struct net_device *ndev)  in nps_enet_open()  argument
480 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_open()
496 	nps_enet_hw_disable_control(ndev);  in nps_enet_open()
500 			  0, "enet-rx-tx", ndev);  in nps_enet_open()
507 	nps_enet_hw_reset(ndev);  in nps_enet_open()
508 	nps_enet_hw_enable_control(ndev);  in nps_enet_open()
510 	netif_start_queue(ndev);  in nps_enet_open()
521 static s32 nps_enet_stop(struct net_device *ndev)  in nps_enet_stop()  argument
523 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_stop()
526 	netif_stop_queue(ndev);  in nps_enet_stop()
527 	nps_enet_hw_disable_control(ndev);  in nps_enet_stop()
528 	free_irq(priv->irq, ndev);  in nps_enet_stop()
544 				       struct net_device *ndev)  in nps_enet_start_xmit()  argument
546 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_start_xmit()
549 	netif_stop_queue(ndev);  in nps_enet_start_xmit()
558 	nps_enet_send_frame(ndev, skb);  in nps_enet_start_xmit()
564 static void nps_enet_poll_controller(struct net_device *ndev)  in nps_enet_poll_controller()  argument
566 	disable_irq(ndev->irq);  in nps_enet_poll_controller()
567 	nps_enet_irq_handler(ndev->irq, ndev);  in nps_enet_poll_controller()
568 	enable_irq(ndev->irq);  in nps_enet_poll_controller()
586 	struct net_device *ndev;  in nps_enet_probe()  local
595 	ndev = alloc_etherdev(sizeof(struct nps_enet_priv));  in nps_enet_probe()
596 	if (!ndev)  in nps_enet_probe()
599 	platform_set_drvdata(pdev, ndev);  in nps_enet_probe()
600 	SET_NETDEV_DEV(ndev, dev);  in nps_enet_probe()
601 	priv = netdev_priv(ndev);  in nps_enet_probe()
604 	ndev->netdev_ops = &nps_netdev_ops;  in nps_enet_probe()
605 	ndev->watchdog_timeo = (400 * HZ / 1000);  in nps_enet_probe()
607 	ndev->flags &= ~IFF_MULTICAST;  in nps_enet_probe()
620 		ether_addr_copy(ndev->dev_addr, mac_addr);  in nps_enet_probe()
622 		eth_hw_addr_random(ndev);  in nps_enet_probe()
632 	netif_napi_add(ndev, &priv->napi, nps_enet_poll,  in nps_enet_probe()
636 	err = register_netdev(ndev);  in nps_enet_probe()
639 			ndev->name, (s32)err);  in nps_enet_probe()
650 		free_netdev(ndev);  in nps_enet_probe()
657 	struct net_device *ndev = platform_get_drvdata(pdev);  in nps_enet_remove()  local
658 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_remove()
660 	unregister_netdev(ndev);  in nps_enet_remove()
661 	free_netdev(ndev);  in nps_enet_remove()