86 static int mace_open(struct net_device *dev);
87 static int mace_close(struct net_device *dev);
88 static netdev_tx_t mace_xmit_start(struct sk_buff *skb, struct net_device *dev);
89 static void mace_set_multicast(struct net_device *dev);
90 static int mace_set_address(struct net_device *dev, void *addr);
91 static void mace_reset(struct net_device *dev);
94 static void mace_tx_timeout(struct net_device *dev, unsigned int txqueue);
95 static void __mace_set_address(struct net_device *dev, const void *addr);
101 static void mace_load_rxdma_base(struct net_device *dev, int set)  in mace_load_rxdma_base()  argument
103 	struct mace_data *mp = netdev_priv(dev);  in mace_load_rxdma_base()
116 static void mace_rxdma_reset(struct net_device *dev)  in mace_rxdma_reset()  argument
118 	struct mace_data *mp = netdev_priv(dev);  in mace_rxdma_reset()
125 	mace_load_rxdma_base(dev, 0x00);  in mace_rxdma_reset()
129 	mace_load_rxdma_base(dev, 0x10);  in mace_rxdma_reset()
143 static void mace_txdma_reset(struct net_device *dev)  in mace_txdma_reset()  argument
145 	struct mace_data *mp = netdev_priv(dev);  in mace_txdma_reset()
165 static void mace_dma_off(struct net_device *dev)  in mace_dma_off()  argument
198 	struct net_device *dev;  in mace_probe()  local
203 	dev = alloc_etherdev(PRIV_BYTES);  in mace_probe()
204 	if (!dev)  in mace_probe()
207 	mp = netdev_priv(dev);  in mace_probe()
209 	mp->device = &pdev->dev;  in mace_probe()
210 	platform_set_drvdata(pdev, dev);  in mace_probe()
211 	SET_NETDEV_DEV(dev, &pdev->dev);  in mace_probe()
213 	dev->base_addr = (u32)MACE_BASE;  in mace_probe()
216 	dev->irq = IRQ_MAC_MACE;  in mace_probe()
235 	eth_hw_addr_set(dev, macaddr);  in mace_probe()
241 		free_netdev(dev);  in mace_probe()
245 	dev->netdev_ops		= &mace_netdev_ops;  in mace_probe()
246 	dev->watchdog_timeo	= TX_TIMEOUT;  in mace_probe()
249 		dev->dev_addr, mp->chipid);  in mace_probe()
251 	err = register_netdev(dev);  in mace_probe()
255 	free_netdev(dev);  in mace_probe()
263 static void mace_reset(struct net_device *dev)  in mace_reset()  argument
265 	struct mace_data *mp = netdev_priv(dev);  in mace_reset()
296 	__mace_set_address(dev, dev->dev_addr);  in mace_reset()
320 static void __mace_set_address(struct net_device *dev, const void *addr)  in __mace_set_address()  argument
322 	struct mace_data *mp = netdev_priv(dev);  in __mace_set_address()
338 	eth_hw_addr_set(dev, macaddr);  in __mace_set_address()
343 static int mace_set_address(struct net_device *dev, void *addr)  in mace_set_address()  argument
345 	struct mace_data *mp = netdev_priv(dev);  in mace_set_address()
354 	__mace_set_address(dev, addr);  in mace_set_address()
368 static int mace_open(struct net_device *dev)  in mace_open()  argument
370 	struct mace_data *mp = netdev_priv(dev);  in mace_open()
374 	mace_reset(dev);  in mace_open()
376 	if (request_irq(dev->irq, mace_interrupt, 0, dev->name, dev)) {  in mace_open()
377 		printk(KERN_ERR "%s: can't get irq %d\n", dev->name, dev->irq);  in mace_open()
380 	if (request_irq(mp->dma_intr, mace_dma_intr, 0, dev->name, dev)) {  in mace_open()
381 		printk(KERN_ERR "%s: can't get irq %d\n", dev->name, mp->dma_intr);  in mace_open()
382 		free_irq(dev->irq, dev);  in mace_open()
400 	mace_dma_off(dev);  in mace_open()
409 	mace_rxdma_reset(dev);  in mace_open()
410 	mace_txdma_reset(dev);  in mace_open()
422 	free_irq(dev->irq, dev);  in mace_open()
423 	free_irq(mp->dma_intr, dev);  in mace_open()
431 static int mace_close(struct net_device *dev)  in mace_close()  argument
433 	struct mace_data *mp = netdev_priv(dev);  in mace_close()
438 	mace_dma_off(dev);	/* disable rx and tx dma */  in mace_close()
447 static netdev_tx_t mace_xmit_start(struct sk_buff *skb, struct net_device *dev)  in mace_xmit_start()  argument
449 	struct mace_data *mp = netdev_priv(dev);  in mace_xmit_start()
455 	netif_stop_queue(dev);  in mace_xmit_start()
464 	dev->stats.tx_packets++;  in mace_xmit_start()
465 	dev->stats.tx_bytes += skb->len;  in mace_xmit_start()
483 static void mace_set_multicast(struct net_device *dev)  in mace_set_multicast()  argument
485 	struct mace_data *mp = netdev_priv(dev);  in mace_set_multicast()
496 	if (dev->flags & IFF_PROMISC) {  in mace_set_multicast()
502 		if (dev->flags & IFF_ALLMULTI) {  in mace_set_multicast()
509 			netdev_for_each_mc_addr(ha, dev) {  in mace_set_multicast()
534 static void mace_handle_misc_intrs(struct net_device *dev, int intr)  in mace_handle_misc_intrs()  argument
536 	struct mace_data *mp = netdev_priv(dev);  in mace_handle_misc_intrs()
541 		dev->stats.rx_missed_errors += 256;  in mace_handle_misc_intrs()
542 	dev->stats.rx_missed_errors += mb->mpc;   /* reading clears it */  in mace_handle_misc_intrs()
544 		dev->stats.rx_length_errors += 256;  in mace_handle_misc_intrs()
545 	dev->stats.rx_length_errors += mb->rntpc; /* reading clears it */  in mace_handle_misc_intrs()
547 		++dev->stats.tx_heartbeat_errors;  in mace_handle_misc_intrs()
558 	struct net_device *dev = (struct net_device *) dev_id;  in mace_interrupt()  local
559 	struct mace_data *mp = netdev_priv(dev);  in mace_interrupt()
568 	mace_handle_misc_intrs(dev, intr);  in mace_interrupt()
574 			mace_reset(dev);  in mace_interrupt()
586 			++dev->stats.tx_errors;  in mace_interrupt()
588 				++dev->stats.tx_carrier_errors;  in mace_interrupt()
590 				++dev->stats.tx_aborted_errors;  in mace_interrupt()
592 					dev->stats.tx_fifo_errors++;  in mace_interrupt()
593 					mace_txdma_reset(dev);  in mace_interrupt()
600 		netif_wake_queue(dev);  in mace_interrupt()
607 static void mace_tx_timeout(struct net_device *dev, unsigned int txqueue)  in mace_tx_timeout()  argument
609 	struct mace_data *mp = netdev_priv(dev);  in mace_tx_timeout()
618 	mace_txdma_reset(dev);  in mace_tx_timeout()
619 	mace_reset(dev);  in mace_tx_timeout()
622 	mace_rxdma_reset(dev);  in mace_tx_timeout()
625 	netif_wake_queue(dev);  in mace_tx_timeout()
639 static void mace_dma_rx_frame(struct net_device *dev, struct mace_frame *mf)  in mace_dma_rx_frame()  argument
645 		dev->stats.rx_errors++;  in mace_dma_rx_frame()
647 			dev->stats.rx_fifo_errors++;  in mace_dma_rx_frame()
649 			dev->stats.collisions++;  in mace_dma_rx_frame()
651 			dev->stats.rx_frame_errors++;  in mace_dma_rx_frame()
653 			dev->stats.rx_crc_errors++;  in mace_dma_rx_frame()
657 		skb = netdev_alloc_skb(dev, frame_length + 2);  in mace_dma_rx_frame()
659 			dev->stats.rx_dropped++;  in mace_dma_rx_frame()
665 		skb->protocol = eth_type_trans(skb, dev);  in mace_dma_rx_frame()
667 		dev->stats.rx_packets++;  in mace_dma_rx_frame()
668 		dev->stats.rx_bytes += frame_length;  in mace_dma_rx_frame()
678 	struct net_device *dev = (struct net_device *) dev_id;  in mace_dma_intr()  local
679 	struct mace_data *mp = netdev_priv(dev);  in mace_dma_intr()
696 		mace_rxdma_reset(dev);  in mace_dma_intr()
706 			mace_dma_rx_frame(dev, (struct mace_frame*) (mp->rx_ring  in mace_dma_intr()
715 			mace_load_rxdma_base(dev, mp->rx_slot);  in mace_dma_intr()
729 		mace_txdma_reset(dev);  in mace_dma_intr()
744 	struct net_device *dev = platform_get_drvdata(pdev);  in mac_mace_device_remove()  local
745 	struct mace_data *mp = netdev_priv(dev);  in mac_mace_device_remove()
747 	unregister_netdev(dev);  in mac_mace_device_remove()
749 	free_irq(dev->irq, dev);  in mac_mace_device_remove()
750 	free_irq(IRQ_MAC_MACE_DMA, dev);  in mac_mace_device_remove()
757 	free_netdev(dev);  in mac_mace_device_remove()