50 	struct usbpn_dev *pnd = netdev_priv(dev);  in usbpn_xmit()  local
61 	usb_fill_bulk_urb(req, pnd->usb, pnd->tx_pipe, skb->data, skb->len,  in usbpn_xmit()
70 	spin_lock_irqsave(&pnd->tx_lock, flags);  in usbpn_xmit()
71 	pnd->tx_queue++;  in usbpn_xmit()
72 	if (pnd->tx_queue >= dev->tx_queue_len)  in usbpn_xmit()
74 	spin_unlock_irqrestore(&pnd->tx_lock, flags);  in usbpn_xmit()
87 	struct usbpn_dev *pnd = netdev_priv(dev);  in tx_complete()  local
107 	spin_lock_irqsave(&pnd->tx_lock, flags);  in tx_complete()
108 	pnd->tx_queue--;  in tx_complete()
110 	spin_unlock_irqrestore(&pnd->tx_lock, flags);  in tx_complete()
116 static int rx_submit(struct usbpn_dev *pnd, struct urb *req, gfp_t gfp_flags)  in rx_submit()  argument
118 	struct net_device *dev = pnd->dev;  in rx_submit()
126 	usb_fill_bulk_urb(req, pnd->usb, pnd->rx_pipe, page_address(page),  in rx_submit()
140 	struct usbpn_dev *pnd = netdev_priv(dev);  in rx_complete()  local
148 		spin_lock_irqsave(&pnd->rx_lock, flags);  in rx_complete()
149 		skb = pnd->rx_skb;  in rx_complete()
151 			skb = pnd->rx_skb = netdev_alloc_skb(dev, 12);  in rx_complete()
167 			pnd->rx_skb = NULL; /* Last fragment */  in rx_complete()
170 		spin_unlock_irqrestore(&pnd->rx_lock, flags);  in rx_complete()
204 		rx_submit(pnd, req, GFP_ATOMIC);  in rx_complete()
211 	struct usbpn_dev *pnd = netdev_priv(dev);  in usbpn_open()  local
214 	unsigned num = pnd->data_intf->cur_altsetting->desc.bInterfaceNumber;  in usbpn_open()
216 	err = usb_set_interface(pnd->usb, num, pnd->active_setting);  in usbpn_open()
223 		if (!req || rx_submit(pnd, req, GFP_KERNEL)) {  in usbpn_open()
228 		pnd->urbs[i] = req;  in usbpn_open()
237 	struct usbpn_dev *pnd = netdev_priv(dev);  in usbpn_close()  local
239 	unsigned num = pnd->data_intf->cur_altsetting->desc.bInterfaceNumber;  in usbpn_close()
244 		struct urb *req = pnd->urbs[i];  in usbpn_close()
250 		pnd->urbs[i] = NULL;  in usbpn_close()
253 	return usb_set_interface(pnd->usb, num, !pnd->active_setting);  in usbpn_close()
323 	struct usbpn_dev *pnd;  in usbpn_probe()  local
354 	dev = alloc_netdev(struct_size(pnd, urbs, rxq_size), ifname,  in usbpn_probe()
359 	pnd = netdev_priv(dev);  in usbpn_probe()
362 	pnd->dev = dev;  in usbpn_probe()
363 	pnd->usb = usbdev;  in usbpn_probe()
364 	pnd->intf = intf;  in usbpn_probe()
365 	pnd->data_intf = data_intf;  in usbpn_probe()
366 	spin_lock_init(&pnd->tx_lock);  in usbpn_probe()
367 	spin_lock_init(&pnd->rx_lock);  in usbpn_probe()
370 		pnd->rx_pipe = usb_rcvbulkpipe(usbdev,  in usbpn_probe()
372 		pnd->tx_pipe = usb_sndbulkpipe(usbdev,  in usbpn_probe()
375 		pnd->rx_pipe = usb_rcvbulkpipe(usbdev,  in usbpn_probe()
377 		pnd->tx_pipe = usb_sndbulkpipe(usbdev,  in usbpn_probe()
380 	pnd->active_setting = data_desc - data_intf->altsetting;  in usbpn_probe()
382 	err = usb_driver_claim_interface(&usbpn_driver, data_intf, pnd);  in usbpn_probe()
388 				!pnd->active_setting);  in usbpn_probe()
389 	usb_set_intfdata(intf, pnd);  in usbpn_probe()
394 		pnd->disconnected = 1;  in usbpn_probe()
410 	struct usbpn_dev *pnd = usb_get_intfdata(intf);  in usbpn_disconnect()  local
412 	if (pnd->disconnected)  in usbpn_disconnect()
415 	pnd->disconnected = 1;  in usbpn_disconnect()
417 			(pnd->intf == intf) ? pnd->data_intf : pnd->intf);  in usbpn_disconnect()
418 	unregister_netdev(pnd->dev);  in usbpn_disconnect()