246 	struct net_device *net;  member
285 static void mcp251x_clean(struct net_device *net)  in mcp251x_clean()  argument
287 	struct mcp251x_priv *priv = netdev_priv(net);  in mcp251x_clean()
290 		net->stats.tx_errors++;  in mcp251x_clean()
294 		can_free_echo_skb(priv->net, 0);  in mcp251x_clean()
468 	skb = alloc_can_skb(priv->net, &frame);  in mcp251x_hw_rx()
471 		priv->net->stats.rx_dropped++;  in mcp251x_hw_rx()
502 	priv->net->stats.rx_packets++;  in mcp251x_hw_rx()
503 	priv->net->stats.rx_bytes += frame->can_dlc;  in mcp251x_hw_rx()
505 	can_led_event(priv->net, CAN_LED_EVENT_RX);  in mcp251x_hw_rx()
516 					   struct net_device *net)  in mcp251x_hard_start_xmit()  argument
518 	struct mcp251x_priv *priv = netdev_priv(net);  in mcp251x_hard_start_xmit()
526 	if (can_dropped_invalid_skb(net, skb))  in mcp251x_hard_start_xmit()
529 	netif_stop_queue(net);  in mcp251x_hard_start_xmit()
536 static int mcp251x_do_set_mode(struct net_device *net, enum can_mode mode)  in mcp251x_do_set_mode()  argument
538 	struct mcp251x_priv *priv = netdev_priv(net);  in mcp251x_do_set_mode()
542 		mcp251x_clean(net);  in mcp251x_do_set_mode()
592 static int mcp251x_do_set_bittiming(struct net_device *net)  in mcp251x_do_set_bittiming()  argument
594 	struct mcp251x_priv *priv = netdev_priv(net);  in mcp251x_do_set_bittiming()
615 static int mcp251x_setup(struct net_device *net, struct mcp251x_priv *priv,  in mcp251x_setup()  argument
618 	mcp251x_do_set_bittiming(net);  in mcp251x_setup()
691 static void mcp251x_open_clean(struct net_device *net)  in mcp251x_open_clean()  argument
693 	struct mcp251x_priv *priv = netdev_priv(net);  in mcp251x_open_clean()
699 	close_candev(net);  in mcp251x_open_clean()
702 static int mcp251x_stop(struct net_device *net)  in mcp251x_stop()  argument
704 	struct mcp251x_priv *priv = netdev_priv(net);  in mcp251x_stop()
707 	close_candev(net);  in mcp251x_stop()
721 	mcp251x_clean(net);  in mcp251x_stop()
731 	can_led_event(net, CAN_LED_EVENT_STOP);  in mcp251x_stop()
736 static void mcp251x_error_skb(struct net_device *net, int can_id, int data1)  in mcp251x_error_skb()  argument
741 	skb = alloc_can_err_skb(net, &frame);  in mcp251x_error_skb()
747 		netdev_err(net, "cannot allocate error skb\n");  in mcp251x_error_skb()
756 	struct net_device *net = priv->net;  in mcp251x_tx_work_handler()  local
762 			mcp251x_clean(net);  in mcp251x_tx_work_handler()
770 			can_put_echo_skb(priv->tx_skb, net, 0);  in mcp251x_tx_work_handler()
782 	struct net_device *net = priv->net;  in mcp251x_restart_work_handler()  local
787 		mcp251x_setup(net, priv, spi);  in mcp251x_restart_work_handler()
791 			netif_device_attach(net);  in mcp251x_restart_work_handler()
792 			mcp251x_clean(net);  in mcp251x_restart_work_handler()
794 			netif_wake_queue(net);  in mcp251x_restart_work_handler()
805 		mcp251x_clean(net);  in mcp251x_restart_work_handler()
806 		netif_wake_queue(net);  in mcp251x_restart_work_handler()
807 		mcp251x_error_skb(net, CAN_ERR_RESTARTED, 0);  in mcp251x_restart_work_handler()
816 	struct net_device *net = priv->net;  in mcp251x_can_ist()  local
901 					net->stats.rx_over_errors++;  in mcp251x_can_ist()
902 					net->stats.rx_errors++;  in mcp251x_can_ist()
905 					net->stats.rx_over_errors++;  in mcp251x_can_ist()
906 					net->stats.rx_errors++;  in mcp251x_can_ist()
911 			mcp251x_error_skb(net, can_id, data1);  in mcp251x_can_ist()
918 				can_bus_off(net);  in mcp251x_can_ist()
928 			net->stats.tx_packets++;  in mcp251x_can_ist()
929 			net->stats.tx_bytes += priv->tx_len - 1;  in mcp251x_can_ist()
930 			can_led_event(net, CAN_LED_EVENT_TX);  in mcp251x_can_ist()
932 				can_get_echo_skb(net, 0);  in mcp251x_can_ist()
935 			netif_wake_queue(net);  in mcp251x_can_ist()
943 static int mcp251x_open(struct net_device *net)  in mcp251x_open()  argument
945 	struct mcp251x_priv *priv = netdev_priv(net);  in mcp251x_open()
950 	ret = open_candev(net);  in mcp251x_open()
968 		close_candev(net);  in mcp251x_open()
979 		mcp251x_open_clean(net);  in mcp251x_open()
982 	ret = mcp251x_setup(net, priv, spi);  in mcp251x_open()
984 		mcp251x_open_clean(net);  in mcp251x_open()
989 		mcp251x_open_clean(net);  in mcp251x_open()
993 	can_led_event(net, CAN_LED_EVENT_OPEN);  in mcp251x_open()
995 	netif_wake_queue(net);  in mcp251x_open()
1048 	struct net_device *net;  in mcp251x_can_probe()  local
1068 	net = alloc_candev(sizeof(struct mcp251x_priv), TX_ECHO_SKB_MAX);  in mcp251x_can_probe()
1069 	if (!net)  in mcp251x_can_probe()
1078 	net->netdev_ops = &mcp251x_netdev_ops;  in mcp251x_can_probe()
1079 	net->flags |= IFF_ECHO;  in mcp251x_can_probe()
1081 	priv = netdev_priv(net);  in mcp251x_can_probe()
1091 	priv->net = net;  in mcp251x_can_probe()
1160 	SET_NETDEV_DEV(net, &spi->dev);  in mcp251x_can_probe()
1172 	ret = register_candev(net);  in mcp251x_can_probe()
1176 	devm_can_led_init(net);  in mcp251x_can_probe()
1178 	netdev_info(net, "MCP%x successfully initialized.\n", priv->model);  in mcp251x_can_probe()
1189 	free_candev(net);  in mcp251x_can_probe()
1198 	struct net_device *net = priv->net;  in mcp251x_can_remove()  local
1200 	unregister_candev(net);  in mcp251x_can_remove()
1207 	free_candev(net);  in mcp251x_can_remove()
1216 	struct net_device *net = priv->net;  in mcp251x_can_suspend()  local
1224 	if (netif_running(net)) {  in mcp251x_can_suspend()
1225 		netif_device_detach(net);  in mcp251x_can_suspend()