244 	struct net_device *net;  member
284 static void mcp251x_clean(struct net_device *net)  in mcp251x_clean()  argument
286 	struct mcp251x_priv *priv = netdev_priv(net);  in mcp251x_clean()
289 		net->stats.tx_errors++;  in mcp251x_clean()
293 		can_free_echo_skb(priv->net, 0);  in mcp251x_clean()
467 	skb = alloc_can_skb(priv->net, &frame);  in mcp251x_hw_rx()
470 		priv->net->stats.rx_dropped++;  in mcp251x_hw_rx()
501 	priv->net->stats.rx_packets++;  in mcp251x_hw_rx()
502 	priv->net->stats.rx_bytes += frame->can_dlc;  in mcp251x_hw_rx()
504 	can_led_event(priv->net, CAN_LED_EVENT_RX);  in mcp251x_hw_rx()
515 					   struct net_device *net)  in mcp251x_hard_start_xmit()  argument
517 	struct mcp251x_priv *priv = netdev_priv(net);  in mcp251x_hard_start_xmit()
525 	if (can_dropped_invalid_skb(net, skb))  in mcp251x_hard_start_xmit()
528 	netif_stop_queue(net);  in mcp251x_hard_start_xmit()
535 static int mcp251x_do_set_mode(struct net_device *net, enum can_mode mode)  in mcp251x_do_set_mode()  argument
537 	struct mcp251x_priv *priv = netdev_priv(net);  in mcp251x_do_set_mode()
541 		mcp251x_clean(net);  in mcp251x_do_set_mode()
591 static int mcp251x_do_set_bittiming(struct net_device *net)  in mcp251x_do_set_bittiming()  argument
593 	struct mcp251x_priv *priv = netdev_priv(net);  in mcp251x_do_set_bittiming()
614 static int mcp251x_setup(struct net_device *net, struct mcp251x_priv *priv,  in mcp251x_setup()  argument
617 	mcp251x_do_set_bittiming(net);  in mcp251x_setup()
681 static void mcp251x_open_clean(struct net_device *net)  in mcp251x_open_clean()  argument
683 	struct mcp251x_priv *priv = netdev_priv(net);  in mcp251x_open_clean()
689 	close_candev(net);  in mcp251x_open_clean()
692 static int mcp251x_stop(struct net_device *net)  in mcp251x_stop()  argument
694 	struct mcp251x_priv *priv = netdev_priv(net);  in mcp251x_stop()
697 	close_candev(net);  in mcp251x_stop()
711 	mcp251x_clean(net);  in mcp251x_stop()
721 	can_led_event(net, CAN_LED_EVENT_STOP);  in mcp251x_stop()
726 static void mcp251x_error_skb(struct net_device *net, int can_id, int data1)  in mcp251x_error_skb()  argument
731 	skb = alloc_can_err_skb(net, &frame);  in mcp251x_error_skb()
737 		netdev_err(net, "cannot allocate error skb\n");  in mcp251x_error_skb()
746 	struct net_device *net = priv->net;  in mcp251x_tx_work_handler()  local
752 			mcp251x_clean(net);  in mcp251x_tx_work_handler()
760 			can_put_echo_skb(priv->tx_skb, net, 0);  in mcp251x_tx_work_handler()
772 	struct net_device *net = priv->net;  in mcp251x_restart_work_handler()  local
777 		mcp251x_setup(net, priv, spi);  in mcp251x_restart_work_handler()
781 			netif_device_attach(net);  in mcp251x_restart_work_handler()
782 			mcp251x_clean(net);  in mcp251x_restart_work_handler()
784 			netif_wake_queue(net);  in mcp251x_restart_work_handler()
795 		mcp251x_clean(net);  in mcp251x_restart_work_handler()
796 		netif_wake_queue(net);  in mcp251x_restart_work_handler()
797 		mcp251x_error_skb(net, CAN_ERR_RESTARTED, 0);  in mcp251x_restart_work_handler()
806 	struct net_device *net = priv->net;  in mcp251x_can_ist()  local
892 					net->stats.rx_over_errors++;  in mcp251x_can_ist()
893 					net->stats.rx_errors++;  in mcp251x_can_ist()
896 					net->stats.rx_over_errors++;  in mcp251x_can_ist()
897 					net->stats.rx_errors++;  in mcp251x_can_ist()
902 			mcp251x_error_skb(net, can_id, data1);  in mcp251x_can_ist()
909 				can_bus_off(net);  in mcp251x_can_ist()
919 			net->stats.tx_packets++;  in mcp251x_can_ist()
920 			net->stats.tx_bytes += priv->tx_len - 1;  in mcp251x_can_ist()
921 			can_led_event(net, CAN_LED_EVENT_TX);  in mcp251x_can_ist()
923 				can_get_echo_skb(net, 0);  in mcp251x_can_ist()
926 			netif_wake_queue(net);  in mcp251x_can_ist()
934 static int mcp251x_open(struct net_device *net)  in mcp251x_open()  argument
936 	struct mcp251x_priv *priv = netdev_priv(net);  in mcp251x_open()
941 	ret = open_candev(net);  in mcp251x_open()
959 		close_candev(net);  in mcp251x_open()
969 		mcp251x_open_clean(net);  in mcp251x_open()
972 	ret = mcp251x_setup(net, priv, spi);  in mcp251x_open()
974 		mcp251x_open_clean(net);  in mcp251x_open()
979 		mcp251x_open_clean(net);  in mcp251x_open()
983 	can_led_event(net, CAN_LED_EVENT_OPEN);  in mcp251x_open()
985 	netif_wake_queue(net);  in mcp251x_open()
1030 	struct net_device *net;  in mcp251x_can_probe()  local
1050 	net = alloc_candev(sizeof(struct mcp251x_priv), TX_ECHO_SKB_MAX);  in mcp251x_can_probe()
1051 	if (!net)  in mcp251x_can_probe()
1060 	net->netdev_ops = &mcp251x_netdev_ops;  in mcp251x_can_probe()
1061 	net->flags |= IFF_ECHO;  in mcp251x_can_probe()
1063 	priv = netdev_priv(net);  in mcp251x_can_probe()
1073 	priv->net = net;  in mcp251x_can_probe()
1142 	SET_NETDEV_DEV(net, &spi->dev);  in mcp251x_can_probe()
1151 	ret = register_candev(net);  in mcp251x_can_probe()
1155 	devm_can_led_init(net);  in mcp251x_can_probe()
1167 	free_candev(net);  in mcp251x_can_probe()
1175 	struct net_device *net = priv->net;  in mcp251x_can_remove()  local
1177 	unregister_candev(net);  in mcp251x_can_remove()
1184 	free_candev(net);  in mcp251x_can_remove()
1193 	struct net_device *net = priv->net;  in mcp251x_can_suspend()  local
1201 	if (netif_running(net)) {  in mcp251x_can_suspend()
1202 		netif_device_detach(net);  in mcp251x_can_suspend()