157 	struct net_device *netdev;  member
257 static void ks8842_update_link_status(struct net_device *netdev,  in ks8842_update_link_status()  argument
262 		netif_carrier_on(netdev);  in ks8842_update_link_status()
263 		netif_wake_queue(netdev);  in ks8842_update_link_status()
265 		netif_stop_queue(netdev);  in ks8842_update_link_status()
266 		netif_carrier_off(netdev);  in ks8842_update_link_status()
419 static int ks8842_tx_frame_dma(struct sk_buff *skb, struct net_device *netdev)  in ks8842_tx_frame_dma()  argument
421 	struct ks8842_adapter *adapter = netdev_priv(netdev);  in ks8842_tx_frame_dma()
426 		netdev_dbg(netdev, "%s: TX ongoing\n", __func__);  in ks8842_tx_frame_dma()
454 	ctl->adesc->callback_param = netdev;  in ks8842_tx_frame_dma()
458 	netdev->stats.tx_bytes += skb->len;  in ks8842_tx_frame_dma()
465 static int ks8842_tx_frame(struct sk_buff *skb, struct net_device *netdev)  in ks8842_tx_frame()  argument
467 	struct ks8842_adapter *adapter = netdev_priv(netdev);  in ks8842_tx_frame()
470 	netdev_dbg(netdev, "%s: len %u head %p data %p tail %p end %p\n",  in ks8842_tx_frame()
482 		netdev->stats.tx_bytes += len;  in ks8842_tx_frame()
498 		netdev->stats.tx_bytes += len;  in ks8842_tx_frame()
516 static void ks8842_update_rx_err_counters(struct net_device *netdev, u32 status)  in ks8842_update_rx_err_counters()  argument
518 	netdev_dbg(netdev, "RX error, status: %x\n", status);  in ks8842_update_rx_err_counters()
520 	netdev->stats.rx_errors++;  in ks8842_update_rx_err_counters()
522 		netdev->stats.rx_length_errors++;  in ks8842_update_rx_err_counters()
524 		netdev->stats.rx_crc_errors++;  in ks8842_update_rx_err_counters()
526 		netdev->stats.rx_frame_errors++;  in ks8842_update_rx_err_counters()
529 static void ks8842_update_rx_counters(struct net_device *netdev, u32 status,  in ks8842_update_rx_counters()  argument
532 	netdev_dbg(netdev, "RX packet, len: %d\n", len);  in ks8842_update_rx_counters()
534 	netdev->stats.rx_packets++;  in ks8842_update_rx_counters()
535 	netdev->stats.rx_bytes += len;  in ks8842_update_rx_counters()
537 		netdev->stats.multicast++;  in ks8842_update_rx_counters()
540 static int __ks8842_start_new_rx_dma(struct net_device *netdev)  in __ks8842_start_new_rx_dma()  argument
542 	struct ks8842_adapter *adapter = netdev_priv(netdev);  in __ks8842_start_new_rx_dma()
547 	ctl->skb = netdev_alloc_skb(netdev, DMA_BUFFER_SIZE);  in __ks8842_start_new_rx_dma()
568 		ctl->adesc->callback_param = netdev;  in __ks8842_start_new_rx_dma()
593 	struct net_device *netdev = adapter->netdev;  in ks8842_rx_frame_dma_tasklet()  local
602 	__ks8842_start_new_rx_dma(netdev);  in ks8842_rx_frame_dma_tasklet()
609 	netdev_dbg(netdev, "%s - rx_data: status: %x\n",  in ks8842_rx_frame_dma_tasklet()
616 		ks8842_update_rx_counters(netdev, status, len);  in ks8842_rx_frame_dma_tasklet()
622 		skb->protocol = eth_type_trans(skb, netdev);  in ks8842_rx_frame_dma_tasklet()
625 		ks8842_update_rx_err_counters(netdev, status);  in ks8842_rx_frame_dma_tasklet()
630 static void ks8842_rx_frame(struct net_device *netdev,  in ks8842_rx_frame()  argument
639 		netdev_dbg(netdev, "%s - rx_data: status: %x\n",  in ks8842_rx_frame()
645 		netdev_dbg(netdev, "%s - rx_data: status: %x\n",  in ks8842_rx_frame()
651 		struct sk_buff *skb = netdev_alloc_skb_ip_align(netdev, len + 3);  in ks8842_rx_frame()
655 			ks8842_update_rx_counters(netdev, status, len);  in ks8842_rx_frame()
677 			skb->protocol = eth_type_trans(skb, netdev);  in ks8842_rx_frame()
680 			netdev->stats.rx_dropped++;  in ks8842_rx_frame()
682 		ks8842_update_rx_err_counters(netdev, status);  in ks8842_rx_frame()
694 static void ks8842_handle_rx(struct net_device *netdev,  in ks8842_handle_rx()  argument
698 	netdev_dbg(netdev, "%s Entry - rx_data: %d\n", __func__, rx_data);  in ks8842_handle_rx()
700 		ks8842_rx_frame(netdev, adapter);  in ks8842_handle_rx()
705 static void ks8842_handle_tx(struct net_device *netdev,  in ks8842_handle_tx()  argument
709 	netdev_dbg(netdev, "%s - entry, sr: %x\n", __func__, sr);  in ks8842_handle_tx()
710 	netdev->stats.tx_packets++;  in ks8842_handle_tx()
711 	if (netif_queue_stopped(netdev))  in ks8842_handle_tx()
712 		netif_wake_queue(netdev);  in ks8842_handle_tx()
715 static void ks8842_handle_rx_overrun(struct net_device *netdev,  in ks8842_handle_rx_overrun()  argument
718 	netdev_dbg(netdev, "%s: entry\n", __func__);  in ks8842_handle_rx_overrun()
719 	netdev->stats.rx_errors++;  in ks8842_handle_rx_overrun()
720 	netdev->stats.rx_fifo_errors++;  in ks8842_handle_rx_overrun()
726 	struct net_device *netdev = adapter->netdev;  in ks8842_tasklet()  local
737 	netdev_dbg(netdev, "%s - ISR: 0x%x\n", __func__, isr);  in ks8842_tasklet()
752 	if (!netif_running(netdev))  in ks8842_tasklet()
756 		ks8842_update_link_status(netdev, adapter);  in ks8842_tasklet()
760 		ks8842_handle_rx(netdev, adapter);  in ks8842_tasklet()
764 		ks8842_handle_tx(netdev, adapter);  in ks8842_tasklet()
767 		ks8842_handle_rx_overrun(netdev, adapter);  in ks8842_tasklet()
797 	struct net_device *netdev = devid;  in ks8842_irq()  local
798 	struct ks8842_adapter *adapter = netdev_priv(netdev);  in ks8842_irq()
804 	netdev_dbg(netdev, "%s - ISR: 0x%x\n", __func__, isr);  in ks8842_irq()
832 	struct net_device	*netdev = data;  in ks8842_dma_rx_cb()  local
833 	struct ks8842_adapter	*adapter = netdev_priv(netdev);  in ks8842_dma_rx_cb()
835 	netdev_dbg(netdev, "RX DMA finished\n");  in ks8842_dma_rx_cb()
843 	struct net_device		*netdev = data;  in ks8842_dma_tx_cb()  local
844 	struct ks8842_adapter		*adapter = netdev_priv(netdev);  in ks8842_dma_tx_cb()
847 	netdev_dbg(netdev, "TX DMA finished\n");  in ks8842_dma_tx_cb()
852 	netdev->stats.tx_packets++;  in ks8842_dma_tx_cb()
855 	if (netif_queue_stopped(netdev))  in ks8842_dma_tx_cb()
856 		netif_wake_queue(netdev);  in ks8842_dma_tx_cb()
912 static int ks8842_alloc_dma_bufs(struct net_device *netdev)  in ks8842_alloc_dma_bufs()  argument
914 	struct ks8842_adapter *adapter = netdev_priv(netdev);  in ks8842_alloc_dma_bufs()
966 static int ks8842_open(struct net_device *netdev)  in ks8842_open()  argument
968 	struct ks8842_adapter *adapter = netdev_priv(netdev);  in ks8842_open()
971 	netdev_dbg(netdev, "%s - entry\n", __func__);  in ks8842_open()
974 		err = ks8842_alloc_dma_bufs(netdev);  in ks8842_open()
978 			err = __ks8842_start_new_rx_dma(netdev);  in ks8842_open()
995 	ks8842_write_mac_addr(adapter, netdev->dev_addr);  in ks8842_open()
997 	ks8842_update_link_status(netdev, adapter);  in ks8842_open()
1000 		netdev);  in ks8842_open()
1009 static int ks8842_close(struct net_device *netdev)  in ks8842_close()  argument
1011 	struct ks8842_adapter *adapter = netdev_priv(netdev);  in ks8842_close()
1013 	netdev_dbg(netdev, "%s - entry\n", __func__);  in ks8842_close()
1021 	free_irq(adapter->irq, netdev);  in ks8842_close()
1030 				     struct net_device *netdev)  in ks8842_xmit_frame()  argument
1033 	struct ks8842_adapter *adapter = netdev_priv(netdev);  in ks8842_xmit_frame()
1035 	netdev_dbg(netdev, "%s: entry\n", __func__);  in ks8842_xmit_frame()
1039 		ret = ks8842_tx_frame_dma(skb, netdev);  in ks8842_xmit_frame()
1043 			netif_stop_queue(netdev);  in ks8842_xmit_frame()
1048 	ret = ks8842_tx_frame(skb, netdev);  in ks8842_xmit_frame()
1050 	if (ks8842_tx_fifo_space(adapter) <  netdev->mtu + 8)  in ks8842_xmit_frame()
1051 		netif_stop_queue(netdev);  in ks8842_xmit_frame()
1056 static int ks8842_set_mac(struct net_device *netdev, void *p)  in ks8842_set_mac()  argument
1058 	struct ks8842_adapter *adapter = netdev_priv(netdev);  in ks8842_set_mac()
1062 	netdev_dbg(netdev, "%s: entry\n", __func__);  in ks8842_set_mac()
1067 	memcpy(netdev->dev_addr, mac, netdev->addr_len);  in ks8842_set_mac()
1077 	struct net_device *netdev = adapter->netdev;  in ks8842_tx_timeout_work()  local
1080 	netdev_dbg(netdev, "%s: entry\n", __func__);  in ks8842_tx_timeout_work()
1091 	netif_stop_queue(netdev);  in ks8842_tx_timeout_work()
1097 	ks8842_write_mac_addr(adapter, netdev->dev_addr);  in ks8842_tx_timeout_work()
1099 	ks8842_update_link_status(netdev, adapter);  in ks8842_tx_timeout_work()
1102 		__ks8842_start_new_rx_dma(netdev);  in ks8842_tx_timeout_work()
1105 static void ks8842_tx_timeout(struct net_device *netdev, unsigned int txqueue)  in ks8842_tx_timeout()  argument
1107 	struct ks8842_adapter *adapter = netdev_priv(netdev);  in ks8842_tx_timeout()
1109 	netdev_dbg(netdev, "%s: entry\n", __func__);  in ks8842_tx_timeout()
1131 	struct net_device *netdev;  in ks8842_probe()  local
1141 	netdev = alloc_etherdev(sizeof(struct ks8842_adapter));  in ks8842_probe()
1142 	if (!netdev)  in ks8842_probe()
1145 	SET_NETDEV_DEV(netdev, &pdev->dev);  in ks8842_probe()
1147 	adapter = netdev_priv(netdev);  in ks8842_probe()
1148 	adapter->netdev = netdev;  in ks8842_probe()
1178 	netdev->netdev_ops = &ks8842_netdev_ops;  in ks8842_probe()
1179 	netdev->ethtool_ops = &ks8842_ethtool_ops;  in ks8842_probe()
1182 	i = netdev->addr_len;  in ks8842_probe()
1184 		for (i = 0; i < netdev->addr_len; i++)  in ks8842_probe()
1188 		if (i < netdev->addr_len)  in ks8842_probe()
1190 			memcpy(netdev->dev_addr, pdata->macaddr,  in ks8842_probe()
1191 				netdev->addr_len);  in ks8842_probe()
1194 	if (i == netdev->addr_len) {  in ks8842_probe()
1195 		ks8842_read_mac_addr(adapter, netdev->dev_addr);  in ks8842_probe()
1197 		if (!is_valid_ether_addr(netdev->dev_addr))  in ks8842_probe()
1198 			eth_hw_addr_random(netdev);  in ks8842_probe()
1203 	strcpy(netdev->name, "eth%d");  in ks8842_probe()
1204 	err = register_netdev(netdev);  in ks8842_probe()
1208 	platform_set_drvdata(pdev, netdev);  in ks8842_probe()
1219 	free_netdev(netdev);  in ks8842_probe()
1228 	struct net_device *netdev = platform_get_drvdata(pdev);  in ks8842_remove()  local
1229 	struct ks8842_adapter *adapter = netdev_priv(netdev);  in ks8842_remove()
1232 	unregister_netdev(netdev);  in ks8842_remove()
1235 	free_netdev(netdev);  in ks8842_remove()