63 	struct usbpn_dev *pnd = netdev_priv(dev);  in usbpn_xmit()  local
74 	usb_fill_bulk_urb(req, pnd->usb, pnd->tx_pipe, skb->data, skb->len,  in usbpn_xmit()
83 	spin_lock_irqsave(&pnd->tx_lock, flags);  in usbpn_xmit()
84 	pnd->tx_queue++;  in usbpn_xmit()
85 	if (pnd->tx_queue >= dev->tx_queue_len)  in usbpn_xmit()
87 	spin_unlock_irqrestore(&pnd->tx_lock, flags);  in usbpn_xmit()
100 	struct usbpn_dev *pnd = netdev_priv(dev);  in tx_complete()  local
118 	spin_lock(&pnd->tx_lock);  in tx_complete()
119 	pnd->tx_queue--;  in tx_complete()
121 	spin_unlock(&pnd->tx_lock);  in tx_complete()
127 static int rx_submit(struct usbpn_dev *pnd, struct urb *req, gfp_t gfp_flags)  in rx_submit()  argument
129 	struct net_device *dev = pnd->dev;  in rx_submit()
137 	usb_fill_bulk_urb(req, pnd->usb, pnd->rx_pipe, page_address(page),  in rx_submit()
151 	struct usbpn_dev *pnd = netdev_priv(dev);  in rx_complete()  local
159 		spin_lock_irqsave(&pnd->rx_lock, flags);  in rx_complete()
160 		skb = pnd->rx_skb;  in rx_complete()
162 			skb = pnd->rx_skb = netdev_alloc_skb(dev, 12);  in rx_complete()
178 			pnd->rx_skb = NULL; /* Last fragment */  in rx_complete()
181 		spin_unlock_irqrestore(&pnd->rx_lock, flags);  in rx_complete()
215 		rx_submit(pnd, req, GFP_ATOMIC);  in rx_complete()
222 	struct usbpn_dev *pnd = netdev_priv(dev);  in usbpn_open()  local
225 	unsigned num = pnd->data_intf->cur_altsetting->desc.bInterfaceNumber;  in usbpn_open()
227 	err = usb_set_interface(pnd->usb, num, pnd->active_setting);  in usbpn_open()
234 		if (!req || rx_submit(pnd, req, GFP_KERNEL)) {  in usbpn_open()
239 		pnd->urbs[i] = req;  in usbpn_open()
248 	struct usbpn_dev *pnd = netdev_priv(dev);  in usbpn_close()  local
250 	unsigned num = pnd->data_intf->cur_altsetting->desc.bInterfaceNumber;  in usbpn_close()
255 		struct urb *req = pnd->urbs[i];  in usbpn_close()
261 		pnd->urbs[i] = NULL;  in usbpn_close()
264 	return usb_set_interface(pnd->usb, num, !pnd->active_setting);  in usbpn_close()
339 	struct usbpn_dev *pnd;  in usbpn_probe()  local
370 	dev = alloc_netdev(sizeof(*pnd) + sizeof(pnd->urbs[0]) * rxq_size,  in usbpn_probe()
375 	pnd = netdev_priv(dev);  in usbpn_probe()
378 	pnd->dev = dev;  in usbpn_probe()
379 	pnd->usb = usbdev;  in usbpn_probe()
380 	pnd->intf = intf;  in usbpn_probe()
381 	pnd->data_intf = data_intf;  in usbpn_probe()
382 	spin_lock_init(&pnd->tx_lock);  in usbpn_probe()
383 	spin_lock_init(&pnd->rx_lock);  in usbpn_probe()
386 		pnd->rx_pipe = usb_rcvbulkpipe(usbdev,  in usbpn_probe()
388 		pnd->tx_pipe = usb_sndbulkpipe(usbdev,  in usbpn_probe()
391 		pnd->rx_pipe = usb_rcvbulkpipe(usbdev,  in usbpn_probe()
393 		pnd->tx_pipe = usb_sndbulkpipe(usbdev,  in usbpn_probe()
396 	pnd->active_setting = data_desc - data_intf->altsetting;  in usbpn_probe()
398 	err = usb_driver_claim_interface(&usbpn_driver, data_intf, pnd);  in usbpn_probe()
404 				!pnd->active_setting);  in usbpn_probe()
405 	usb_set_intfdata(intf, pnd);  in usbpn_probe()
424 	struct usbpn_dev *pnd = usb_get_intfdata(intf);  in usbpn_disconnect()  local
426 	if (pnd->disconnected)  in usbpn_disconnect()
429 	pnd->disconnected = 1;  in usbpn_disconnect()
431 			(pnd->intf == intf) ? pnd->data_intf : pnd->intf);  in usbpn_disconnect()
432 	unregister_netdev(pnd->dev);  in usbpn_disconnect()