57 struct port {  struct
84 	struct port ports[0];	/* 1 - 4 port structures follow */  argument
89 static inline struct port *dev_to_port(struct net_device *dev)  in dev_to_port()
91 	return (struct port *)dev_to_hdlc(dev)->priv;  in dev_to_port()
95 static inline port_status_t *get_status(struct port *port)  in get_status()  argument
97 	return &port->card->status->port_status[port->node];  in get_status()
118 static inline void wanxl_cable_intr(struct port *port)  in wanxl_cable_intr()  argument
120 	u32 value = get_status(port)->cable;  in wanxl_cable_intr()
151 	netdev_info(port->dev, "%s%s module, %s cable%s%s\n",  in wanxl_cable_intr()
155 		netif_carrier_on(port->dev);  in wanxl_cable_intr()
157 		netif_carrier_off(port->dev);  in wanxl_cable_intr()
163 static inline void wanxl_tx_intr(struct port *port)  in wanxl_tx_intr()  argument
165 	struct net_device *dev = port->dev;  in wanxl_tx_intr()
167                 desc_t *desc = &get_status(port)->tx_descs[port->tx_in];  in wanxl_tx_intr()
168 		struct sk_buff *skb = port->tx_skbs[port->tx_in];  in wanxl_tx_intr()
186 		pci_unmap_single(port->card->pdev, desc->address, skb->len,  in wanxl_tx_intr()
189                 port->tx_in = (port->tx_in + 1) % TX_BUFFERS;  in wanxl_tx_intr()
206 			struct port *port = &card->ports[desc->stat &  in wanxl_rx_intr()  local
208 			struct net_device *dev = port->dev;  in wanxl_rx_intr()
275 	struct port *port = dev_to_port(dev);  in wanxl_xmit()  local
278         spin_lock(&port->lock);  in wanxl_xmit()
280 	desc = &get_status(port)->tx_descs[port->tx_out];  in wanxl_xmit()
287 		spin_unlock(&port->lock);  in wanxl_xmit()
296 	port->tx_skbs[port->tx_out] = skb;  in wanxl_xmit()
297 	desc->address = pci_map_single(port->card->pdev, skb->data, skb->len,  in wanxl_xmit()
301 	writel(1 << (DOORBELL_TO_CARD_TX_0 + port->node),  in wanxl_xmit()
302 	       port->card->plx + PLX_DOORBELL_TO_CARD);  in wanxl_xmit()
304 	port->tx_out = (port->tx_out + 1) % TX_BUFFERS;  in wanxl_xmit()
306 	if (get_status(port)->tx_descs[port->tx_out].stat != PACKET_EMPTY) {  in wanxl_xmit()
313 	spin_unlock(&port->lock);  in wanxl_xmit()
322 	struct port *port = dev_to_port(dev);  in wanxl_attach()  local
335 	get_status(port)->encoding = encoding;  in wanxl_attach()
336 	get_status(port)->parity = parity;  in wanxl_attach()
346 	struct port *port = dev_to_port(dev);  in wanxl_ioctl()  local
359 		line.clock_type = get_status(port)->clocking;  in wanxl_ioctl()
384 		get_status(port)->clocking = line.clock_type;  in wanxl_ioctl()
396 	struct port *port = dev_to_port(dev);  in wanxl_open()  local
397 	u8 __iomem *dbr = port->card->plx + PLX_DOORBELL_TO_CARD;  in wanxl_open()
401 	if (get_status(port)->open) {  in wanxl_open()
408 	port->tx_in = port->tx_out = 0;  in wanxl_open()
410 		get_status(port)->tx_descs[i].stat = PACKET_EMPTY;  in wanxl_open()
412 	writel(1 << (DOORBELL_TO_CARD_OPEN_0 + port->node), dbr);  in wanxl_open()
416 		if (get_status(port)->open) {  in wanxl_open()
424 	writel(1 << (DOORBELL_TO_CARD_CLOSE_0 + port->node), dbr);  in wanxl_open()
432 	struct port *port = dev_to_port(dev);  in wanxl_close()  local
438 	writel(1 << (DOORBELL_TO_CARD_CLOSE_0 + port->node),  in wanxl_close()
439 	       port->card->plx + PLX_DOORBELL_TO_CARD);  in wanxl_close()
443 		if (!get_status(port)->open)  in wanxl_close()
447 	if (get_status(port)->open)  in wanxl_close()
453 		desc_t *desc = &get_status(port)->tx_descs[i];  in wanxl_close()
457 			pci_unmap_single(port->card->pdev, desc->address,  in wanxl_close()
458 					 port->tx_skbs[i]->len,  in wanxl_close()
460 			dev_kfree_skb(port->tx_skbs[i]);  in wanxl_close()
470 	struct port *port = dev_to_port(dev);  in wanxl_get_stats()  local
472 	dev->stats.rx_over_errors = get_status(port)->rx_overruns;  in wanxl_get_stats()
473 	dev->stats.rx_frame_errors = get_status(port)->rx_frame_errors;  in wanxl_get_stats()
604 	alloc_size = sizeof(struct card) + ports * sizeof(struct port);  in wanxl_pci_init_one()
770 		struct port *port = &card->ports[i];  in wanxl_pci_init_one()  local
771 		struct net_device *dev = alloc_hdlcdev(port);  in wanxl_pci_init_one()
779 		port->dev = dev;  in wanxl_pci_init_one()
781 		spin_lock_init(&port->lock);  in wanxl_pci_init_one()
786 		port->card = card;  in wanxl_pci_init_one()
787 		port->node = i;  in wanxl_pci_init_one()
788 		get_status(port)->clocking = CLOCK_EXT;  in wanxl_pci_init_one()