64 	struct net_device *ndev;  member
75 	struct net_device *ndev = data;  in ntb_netdev_event_handler()  local
76 	struct ntb_netdev *dev = netdev_priv(ndev);  in ntb_netdev_event_handler()
78 	netdev_dbg(ndev, "Event %x, Link %x\n", status,  in ntb_netdev_event_handler()
83 		netif_carrier_off(ndev);  in ntb_netdev_event_handler()
89 		netif_carrier_on(ndev);  in ntb_netdev_event_handler()
92 		netdev_warn(ndev, "Unsupported event type %d\n", status);  in ntb_netdev_event_handler()
99 	struct net_device *ndev = qp_data;  in ntb_netdev_rx_handler()  local
107 	netdev_dbg(ndev, "%s: %d byte payload received\n", __func__, len);  in ntb_netdev_rx_handler()
110 	skb->protocol = eth_type_trans(skb, ndev);  in ntb_netdev_rx_handler()
114 		ndev->stats.rx_errors++;  in ntb_netdev_rx_handler()
115 		ndev->stats.rx_dropped++;  in ntb_netdev_rx_handler()
117 		ndev->stats.rx_packets++;  in ntb_netdev_rx_handler()
118 		ndev->stats.rx_bytes += len;  in ntb_netdev_rx_handler()
121 	skb = netdev_alloc_skb(ndev, ndev->mtu + ETH_HLEN);  in ntb_netdev_rx_handler()
123 		ndev->stats.rx_errors++;  in ntb_netdev_rx_handler()
124 		ndev->stats.rx_frame_errors++;  in ntb_netdev_rx_handler()
128 	rc = ntb_transport_rx_enqueue(qp, skb, skb->data, ndev->mtu + ETH_HLEN);  in ntb_netdev_rx_handler()
131 		ndev->stats.rx_errors++;  in ntb_netdev_rx_handler()
132 		ndev->stats.rx_fifo_errors++;  in ntb_netdev_rx_handler()
139 	struct net_device *ndev = qp_data;  in ntb_netdev_tx_handler()  local
143 	if (!skb || !ndev)  in ntb_netdev_tx_handler()
147 		ndev->stats.tx_packets++;  in ntb_netdev_tx_handler()
148 		ndev->stats.tx_bytes += skb->len;  in ntb_netdev_tx_handler()
150 		ndev->stats.tx_errors++;  in ntb_netdev_tx_handler()
151 		ndev->stats.tx_aborted_errors++;  in ntb_netdev_tx_handler()
158 					 struct net_device *ndev)  in ntb_netdev_start_xmit()  argument
160 	struct ntb_netdev *dev = netdev_priv(ndev);  in ntb_netdev_start_xmit()
163 	netdev_dbg(ndev, "%s: skb len %d\n", __func__, skb->len);  in ntb_netdev_start_xmit()
172 	ndev->stats.tx_dropped++;  in ntb_netdev_start_xmit()
173 	ndev->stats.tx_errors++;  in ntb_netdev_start_xmit()
177 static int ntb_netdev_open(struct net_device *ndev)  in ntb_netdev_open()  argument
179 	struct ntb_netdev *dev = netdev_priv(ndev);  in ntb_netdev_open()
185 		skb = netdev_alloc_skb(ndev, ndev->mtu + ETH_HLEN);  in ntb_netdev_open()
192 					      ndev->mtu + ETH_HLEN);  in ntb_netdev_open()
199 	netif_carrier_off(ndev);  in ntb_netdev_open()
210 static int ntb_netdev_close(struct net_device *ndev)  in ntb_netdev_close()  argument
212 	struct ntb_netdev *dev = netdev_priv(ndev);  in ntb_netdev_close()
224 static int ntb_netdev_change_mtu(struct net_device *ndev, int new_mtu)  in ntb_netdev_change_mtu()  argument
226 	struct ntb_netdev *dev = netdev_priv(ndev);  in ntb_netdev_change_mtu()
233 	if (!netif_running(ndev)) {  in ntb_netdev_change_mtu()
234 		ndev->mtu = new_mtu;  in ntb_netdev_change_mtu()
241 	if (ndev->mtu < new_mtu) {  in ntb_netdev_change_mtu()
248 			skb = netdev_alloc_skb(ndev, new_mtu + ETH_HLEN);  in ntb_netdev_change_mtu()
263 	ndev->mtu = new_mtu;  in ntb_netdev_change_mtu()
275 	netdev_err(ndev, "Error changing MTU, device inoperable\n");  in ntb_netdev_change_mtu()
287 static void ntb_get_drvinfo(struct net_device *ndev,  in ntb_get_drvinfo()  argument
290 	struct ntb_netdev *dev = netdev_priv(ndev);  in ntb_get_drvinfo()
327 	struct net_device *ndev;  in ntb_netdev_probe()  local
331 	ndev = alloc_etherdev(sizeof(struct ntb_netdev));  in ntb_netdev_probe()
332 	if (!ndev)  in ntb_netdev_probe()
335 	dev = netdev_priv(ndev);  in ntb_netdev_probe()
336 	dev->ndev = ndev;  in ntb_netdev_probe()
339 	ndev->features = NETIF_F_HIGHDMA;  in ntb_netdev_probe()
341 	ndev->priv_flags |= IFF_LIVE_ADDR_CHANGE;  in ntb_netdev_probe()
343 	ndev->hw_features = ndev->features;  in ntb_netdev_probe()
344 	ndev->watchdog_timeo = msecs_to_jiffies(NTB_TX_TIMEOUT_MS);  in ntb_netdev_probe()
346 	random_ether_addr(ndev->perm_addr);  in ntb_netdev_probe()
347 	memcpy(ndev->dev_addr, ndev->perm_addr, ndev->addr_len);  in ntb_netdev_probe()
349 	ndev->netdev_ops = &ntb_netdev_ops;  in ntb_netdev_probe()
350 	ndev->ethtool_ops = &ntb_ethtool_ops;  in ntb_netdev_probe()
352 	dev->qp = ntb_transport_create_queue(ndev, pdev, &ntb_netdev_handlers);  in ntb_netdev_probe()
358 	ndev->mtu = ntb_transport_max_size(dev->qp) - ETH_HLEN;  in ntb_netdev_probe()
360 	rc = register_netdev(ndev);  in ntb_netdev_probe()
365 	dev_info(&pdev->dev, "%s created\n", ndev->name);  in ntb_netdev_probe()
371 	free_netdev(ndev);  in ntb_netdev_probe()
377 	struct net_device *ndev;  in ntb_netdev_remove()  local
392 	ndev = dev->ndev;  in ntb_netdev_remove()
394 	unregister_netdev(ndev);  in ntb_netdev_remove()
396 	free_netdev(ndev);  in ntb_netdev_remove()