25 static void nps_enet_clean_rx_fifo(struct net_device *ndev, u32 frame_len)  in nps_enet_clean_rx_fifo()  argument
27 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_clean_rx_fifo()
35 static void nps_enet_read_rx_fifo(struct net_device *ndev,  in nps_enet_read_rx_fifo()  argument
38 	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()
85 		ndev->stats.rx_errors++;  in nps_enet_rx_handler()
91 		ndev->stats.rx_crc_errors++;  in nps_enet_rx_handler()
92 		ndev->stats.rx_dropped++;  in nps_enet_rx_handler()
98 		ndev->stats.rx_length_errors++;  in nps_enet_rx_handler()
99 		ndev->stats.rx_dropped++;  in nps_enet_rx_handler()
107 	skb = netdev_alloc_skb_ip_align(ndev, frame_len);  in nps_enet_rx_handler()
109 		ndev->stats.rx_errors++;  in nps_enet_rx_handler()
110 		ndev->stats.rx_dropped++;  in nps_enet_rx_handler()
115 	nps_enet_read_rx_fifo(ndev, skb->data, frame_len);  in nps_enet_rx_handler()
118 	skb->protocol = eth_type_trans(skb, ndev);  in nps_enet_rx_handler()
121 	ndev->stats.rx_packets++;  in nps_enet_rx_handler()
122 	ndev->stats.rx_bytes += frame_len;  in nps_enet_rx_handler()
129 	nps_enet_clean_rx_fifo(ndev, frame_len);  in nps_enet_rx_handler()
138 static void nps_enet_tx_handler(struct net_device *ndev)  in nps_enet_tx_handler()  argument
140 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_tx_handler()
154 		ndev->stats.tx_errors++;  in nps_enet_tx_handler()
156 		ndev->stats.tx_packets++;  in nps_enet_tx_handler()
157 		ndev->stats.tx_bytes += tx_ctrl_nt;  in nps_enet_tx_handler()
163 	if (netif_queue_stopped(ndev))  in nps_enet_tx_handler()
164 		netif_wake_queue(ndev);  in nps_enet_tx_handler()
176 	struct net_device *ndev = napi->dev;  in nps_enet_poll()  local
177 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_poll()
180 	nps_enet_tx_handler(ndev);  in nps_enet_poll()
181 	work_done = nps_enet_rx_handler(ndev);  in nps_enet_poll()
222 	struct net_device *ndev = dev_instance;  in nps_enet_irq_handler()  local
223 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_irq_handler()
236 static void nps_enet_set_hw_mac_address(struct net_device *ndev)  in nps_enet_set_hw_mac_address()  argument
238 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_set_hw_mac_address()
243 	ge_mac_cfg_1_value |= ndev->dev_addr[0] << CFG_1_OCTET_0_SHIFT;  in nps_enet_set_hw_mac_address()
244 	ge_mac_cfg_1_value |= ndev->dev_addr[1] << CFG_1_OCTET_1_SHIFT;  in nps_enet_set_hw_mac_address()
245 	ge_mac_cfg_1_value |= ndev->dev_addr[2] << CFG_1_OCTET_2_SHIFT;  in nps_enet_set_hw_mac_address()
246 	ge_mac_cfg_1_value |= ndev->dev_addr[3] << CFG_1_OCTET_3_SHIFT;  in nps_enet_set_hw_mac_address()
248 		 | ndev->dev_addr[4] << CFG_2_OCTET_4_SHIFT;  in nps_enet_set_hw_mac_address()
250 		 | ndev->dev_addr[5] << CFG_2_OCTET_5_SHIFT;  in nps_enet_set_hw_mac_address()
269 static void nps_enet_hw_reset(struct net_device *ndev)  in nps_enet_hw_reset()  argument
271 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_hw_reset()
292 static void nps_enet_hw_enable_control(struct net_device *ndev)  in nps_enet_hw_enable_control()  argument
294 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_hw_enable_control()
316 	max_frame_length = ETH_HLEN + ndev->mtu + ETH_FCS_LEN;  in nps_enet_hw_enable_control()
330 	nps_enet_set_hw_mac_address(ndev);  in nps_enet_hw_enable_control()
366 static void nps_enet_hw_disable_control(struct net_device *ndev)  in nps_enet_hw_disable_control()  argument
368 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_hw_disable_control()
377 static void nps_enet_send_frame(struct net_device *ndev,  in nps_enet_send_frame()  argument
380 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_send_frame()
414 static s32 nps_enet_set_mac_address(struct net_device *ndev, void *p)  in nps_enet_set_mac_address()  argument
419 	if (netif_running(ndev))  in nps_enet_set_mac_address()
422 	res = eth_mac_addr(ndev, p);  in nps_enet_set_mac_address()
424 		ether_addr_copy(ndev->dev_addr, addr->sa_data);  in nps_enet_set_mac_address()
425 		nps_enet_set_hw_mac_address(ndev);  in nps_enet_set_mac_address()
437 static void nps_enet_set_rx_mode(struct net_device *ndev)  in nps_enet_set_rx_mode()  argument
439 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_set_rx_mode()
442 	if (ndev->flags & IFF_PROMISC) {  in nps_enet_set_rx_mode()
467 static s32 nps_enet_open(struct net_device *ndev)  in nps_enet_open()  argument
469 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_open()
485 	nps_enet_hw_disable_control(ndev);  in nps_enet_open()
489 			  0, "enet-rx-tx", ndev);  in nps_enet_open()
496 	nps_enet_hw_reset(ndev);  in nps_enet_open()
497 	nps_enet_hw_enable_control(ndev);  in nps_enet_open()
499 	netif_start_queue(ndev);  in nps_enet_open()
510 static s32 nps_enet_stop(struct net_device *ndev)  in nps_enet_stop()  argument
512 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_stop()
515 	netif_stop_queue(ndev);  in nps_enet_stop()
516 	nps_enet_hw_disable_control(ndev);  in nps_enet_stop()
517 	free_irq(priv->irq, ndev);  in nps_enet_stop()
533 				       struct net_device *ndev)  in nps_enet_start_xmit()  argument
535 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_start_xmit()
538 	netif_stop_queue(ndev);  in nps_enet_start_xmit()
547 	nps_enet_send_frame(ndev, skb);  in nps_enet_start_xmit()
553 static void nps_enet_poll_controller(struct net_device *ndev)  in nps_enet_poll_controller()  argument
555 	disable_irq(ndev->irq);  in nps_enet_poll_controller()
556 	nps_enet_irq_handler(ndev->irq, ndev);  in nps_enet_poll_controller()
557 	enable_irq(ndev->irq);  in nps_enet_poll_controller()
575 	struct net_device *ndev;  in nps_enet_probe()  local
583 	ndev = alloc_etherdev(sizeof(struct nps_enet_priv));  in nps_enet_probe()
584 	if (!ndev)  in nps_enet_probe()
587 	platform_set_drvdata(pdev, ndev);  in nps_enet_probe()
588 	SET_NETDEV_DEV(ndev, dev);  in nps_enet_probe()
589 	priv = netdev_priv(ndev);  in nps_enet_probe()
592 	ndev->netdev_ops = &nps_netdev_ops;  in nps_enet_probe()
593 	ndev->watchdog_timeo = (400 * HZ / 1000);  in nps_enet_probe()
595 	ndev->flags &= ~IFF_MULTICAST;  in nps_enet_probe()
607 		ether_addr_copy(ndev->dev_addr, mac_addr);  in nps_enet_probe()
609 		eth_hw_addr_random(ndev);  in nps_enet_probe()
619 	netif_napi_add(ndev, &priv->napi, nps_enet_poll,  in nps_enet_probe()
623 	err = register_netdev(ndev);  in nps_enet_probe()
626 			ndev->name, (s32)err);  in nps_enet_probe()
637 		free_netdev(ndev);  in nps_enet_probe()
644 	struct net_device *ndev = platform_get_drvdata(pdev);  in nps_enet_remove()  local
645 	struct nps_enet_priv *priv = netdev_priv(ndev);  in nps_enet_remove()
647 	unregister_netdev(ndev);  in nps_enet_remove()
649 	free_netdev(ndev);  in nps_enet_remove()