73 static int c2_up(struct net_device *netdev);
74 static int c2_down(struct net_device *netdev);
75 static int c2_xmit_frame(struct sk_buff *skb, struct net_device *netdev);
76 static void c2_tx_interrupt(struct net_device *netdev);
77 static void c2_rx_interrupt(struct net_device *netdev);
79 static void c2_tx_timeout(struct net_device *netdev);
80 static int c2_change_mtu(struct net_device *netdev, int new_mtu);
90 static void c2_print_macaddr(struct net_device *netdev)  in c2_print_macaddr()  argument
92 	pr_debug("%s: MAC %pM, IRQ %u\n", netdev->name, netdev->dev_addr, netdev->irq);  in c2_print_macaddr()
97 	struct net_device *netdev = c2_port->netdev;  in c2_set_rxbufsize()  local
99 	if (netdev->mtu > RX_BUF_SIZE)  in c2_set_rxbufsize()
101 		    netdev->mtu + ETH_HLEN + sizeof(struct c2_rxp_hdr) +  in c2_set_rxbufsize()
221 			c2_port->netdev->name);  in c2_rx_alloc()
228 	skb->dev = c2_port->netdev;  in c2_rx_alloc()
350 				c2_port->netdev->stats.tx_dropped++;  in c2_tx_clean()
370 		netif_wake_queue(c2_port->netdev);  in c2_tx_clean()
379 static void c2_tx_interrupt(struct net_device *netdev)  in c2_tx_interrupt()  argument
381 	struct c2_port *c2_port = netdev_priv(netdev);  in c2_tx_interrupt()
403 				netdev->name, elem - tx_ring->start,  in c2_tx_interrupt()
413 	if (netif_queue_stopped(netdev)  in c2_tx_interrupt()
415 		netif_wake_queue(netdev);  in c2_tx_interrupt()
458 	c2_port->netdev->stats.rx_dropped++;  in c2_rx_error()
461 static void c2_rx_interrupt(struct net_device *netdev)  in c2_rx_interrupt()  argument
463 	struct c2_port *c2_port = netdev_priv(netdev);  in c2_rx_interrupt()
528 		skb->protocol = eth_type_trans(skb, netdev);  in c2_rx_interrupt()
532 		netdev->stats.rx_packets++;  in c2_rx_interrupt()
533 		netdev->stats.rx_bytes += buflen;  in c2_rx_interrupt()
562 		c2_rx_interrupt(c2dev->netdev);  in c2_interrupt()
563 		c2_tx_interrupt(c2dev->netdev);  in c2_interrupt()
585 static int c2_up(struct net_device *netdev)  in c2_up()  argument
587 	struct c2_port *c2_port = netdev_priv(netdev);  in c2_up()
597 		pr_debug("%s: enabling interface\n", netdev->name);  in c2_up()
659 	netif_start_queue(netdev);  in c2_up()
672 	in_dev = in_dev_get(netdev);  in c2_up()
689 static int c2_down(struct net_device *netdev)  in c2_down()  argument
691 	struct c2_port *c2_port = netdev_priv(netdev);  in c2_down()
696 			netdev->name);  in c2_down()
699 	c2_tx_interrupt(netdev);  in c2_down()
702 	netif_stop_queue(netdev);  in c2_down()
756 static int c2_xmit_frame(struct sk_buff *skb, struct net_device *netdev)  in c2_xmit_frame()  argument
758 	struct c2_port *c2_port = netdev_priv(netdev);  in c2_xmit_frame()
770 		netif_stop_queue(netdev);  in c2_xmit_frame()
774 			netdev->name);  in c2_xmit_frame()
795 	netdev->stats.tx_packets++;  in c2_xmit_frame()
796 	netdev->stats.tx_bytes += maplen;  in c2_xmit_frame()
818 			netdev->stats.tx_packets++;  in c2_xmit_frame()
819 			netdev->stats.tx_bytes += maplen;  in c2_xmit_frame()
827 		netif_stop_queue(netdev);  in c2_xmit_frame()
830 				netdev->name);  in c2_xmit_frame()
835 	netdev->trans_start = jiffies;  in c2_xmit_frame()
840 static void c2_tx_timeout(struct net_device *netdev)  in c2_tx_timeout()  argument
842 	struct c2_port *c2_port = netdev_priv(netdev);  in c2_tx_timeout()
845 		pr_debug("%s: tx timeout\n", netdev->name);  in c2_tx_timeout()
850 static int c2_change_mtu(struct net_device *netdev, int new_mtu)  in c2_change_mtu()  argument
857 	netdev->mtu = new_mtu;  in c2_change_mtu()
859 	if (netif_running(netdev)) {  in c2_change_mtu()
860 		c2_down(netdev);  in c2_change_mtu()
862 		c2_up(netdev);  in c2_change_mtu()
883 	struct net_device *netdev = alloc_etherdev(sizeof(*c2_port));  in c2_devinit()  local
885 	if (!netdev) {  in c2_devinit()
890 	SET_NETDEV_DEV(netdev, &c2dev->pcidev->dev);  in c2_devinit()
892 	netdev->netdev_ops = &c2_netdev;  in c2_devinit()
893 	netdev->watchdog_timeo = C2_TX_TIMEOUT;  in c2_devinit()
894 	netdev->irq = c2dev->pcidev->irq;  in c2_devinit()
896 	c2_port = netdev_priv(netdev);  in c2_devinit()
897 	c2_port->netdev = netdev;  in c2_devinit()
906 	memcpy_fromio(netdev->dev_addr, mmio_addr + C2_REGS_ENADDR, 6);  in c2_devinit()
909 	if (!is_valid_ether_addr(netdev->dev_addr)) {  in c2_devinit()
911 		c2_print_macaddr(netdev);  in c2_devinit()
912 		free_netdev(netdev);  in c2_devinit()
916 	c2dev->netdev = netdev;  in c2_devinit()
918 	return netdev;  in c2_devinit()
928 	struct net_device *netdev = NULL;  in c2_probe()  local
1082 	if ((netdev = c2_devinit(c2dev, mmio_regs)) == NULL) {  in c2_probe()
1095 	ret = register_netdev(netdev);  in c2_probe()
1103 	netif_stop_queue(netdev);  in c2_probe()
1145 	c2_print_macaddr(netdev);  in c2_probe()
1172 	unregister_netdev(netdev);  in c2_probe()
1175 	free_netdev(netdev);  in c2_probe()
1196 	struct net_device *netdev = c2dev->netdev;  in c2_remove()  local
1205 	unregister_netdev(netdev);  in c2_remove()
1208 	free_netdev(netdev);  in c2_remove()