252 	struct tx_buf *tx_buf = (struct tx_buf *) urb->context;  in hif_usb_tx_cb()  local
256 	if (!tx_buf || !tx_buf->hif_dev)  in hif_usb_tx_cb()
259 	hif_dev = tx_buf->hif_dev;  in hif_usb_tx_cb()
277 			ath9k_skb_queue_purge(hif_dev, &tx_buf->skb_queue);  in hif_usb_tx_cb()
288 	ath9k_skb_queue_complete(hif_dev, &tx_buf->skb_queue, txok);  in hif_usb_tx_cb()
291 	tx_buf->len = tx_buf->offset = 0;  in hif_usb_tx_cb()
292 	__skb_queue_head_init(&tx_buf->skb_queue);  in hif_usb_tx_cb()
296 	list_move_tail(&tx_buf->list, &hif_dev->tx.tx_buf);  in hif_usb_tx_cb()
307 	struct tx_buf *tx_buf = NULL;  in __hif_usb_tx()  local
318 	if (list_empty(&hif_dev->tx.tx_buf))  in __hif_usb_tx()
321 	tx_buf = list_first_entry(&hif_dev->tx.tx_buf, struct tx_buf, list);  in __hif_usb_tx()
322 	list_move_tail(&tx_buf->list, &hif_dev->tx.tx_pending);  in __hif_usb_tx()
335 		buf = tx_buf->buf;  in __hif_usb_tx()
336 		buf += tx_buf->offset;  in __hif_usb_tx()
342 		tx_buf->len = nskb->len + 4;  in __hif_usb_tx()
345 			tx_buf->offset += (((tx_buf->len - 1) / 4) + 1) * 4;  in __hif_usb_tx()
348 			tx_buf->len += tx_buf->offset;  in __hif_usb_tx()
350 		__skb_queue_tail(&tx_buf->skb_queue, nskb);  in __hif_usb_tx()
354 	usb_fill_bulk_urb(tx_buf->urb, hif_dev->udev,  in __hif_usb_tx()
356 			  tx_buf->buf, tx_buf->len,  in __hif_usb_tx()
357 			  hif_usb_tx_cb, tx_buf);  in __hif_usb_tx()
359 	ret = usb_submit_urb(tx_buf->urb, GFP_ATOMIC);  in __hif_usb_tx()
361 		tx_buf->len = tx_buf->offset = 0;  in __hif_usb_tx()
362 		ath9k_skb_queue_complete(hif_dev, &tx_buf->skb_queue, false);  in __hif_usb_tx()
363 		__skb_queue_head_init(&tx_buf->skb_queue);  in __hif_usb_tx()
364 		list_move_tail(&tx_buf->list, &hif_dev->tx.tx_buf);  in __hif_usb_tx()
437 	struct tx_buf *tx_buf = NULL, *tx_buf_tmp = NULL;  in hif_usb_stop()  local
447 	list_for_each_entry_safe(tx_buf, tx_buf_tmp,  in hif_usb_stop()
449 		usb_kill_urb(tx_buf->urb);  in hif_usb_stop()
748 	struct tx_buf *tx_buf = NULL, *tx_buf_tmp = NULL;  in ath9k_hif_usb_dealloc_tx_urbs()  local
751 	list_for_each_entry_safe(tx_buf, tx_buf_tmp,  in ath9k_hif_usb_dealloc_tx_urbs()
752 				 &hif_dev->tx.tx_buf, list) {  in ath9k_hif_usb_dealloc_tx_urbs()
753 		usb_kill_urb(tx_buf->urb);  in ath9k_hif_usb_dealloc_tx_urbs()
754 		list_del(&tx_buf->list);  in ath9k_hif_usb_dealloc_tx_urbs()
755 		usb_free_urb(tx_buf->urb);  in ath9k_hif_usb_dealloc_tx_urbs()
756 		kfree(tx_buf->buf);  in ath9k_hif_usb_dealloc_tx_urbs()
757 		kfree(tx_buf);  in ath9k_hif_usb_dealloc_tx_urbs()
764 	list_for_each_entry_safe(tx_buf, tx_buf_tmp,  in ath9k_hif_usb_dealloc_tx_urbs()
766 		usb_kill_urb(tx_buf->urb);  in ath9k_hif_usb_dealloc_tx_urbs()
767 		list_del(&tx_buf->list);  in ath9k_hif_usb_dealloc_tx_urbs()
768 		usb_free_urb(tx_buf->urb);  in ath9k_hif_usb_dealloc_tx_urbs()
769 		kfree(tx_buf->buf);  in ath9k_hif_usb_dealloc_tx_urbs()
770 		kfree(tx_buf);  in ath9k_hif_usb_dealloc_tx_urbs()
778 	struct tx_buf *tx_buf;  in ath9k_hif_usb_alloc_tx_urbs()  local
781 	INIT_LIST_HEAD(&hif_dev->tx.tx_buf);  in ath9k_hif_usb_alloc_tx_urbs()
788 		tx_buf = kzalloc(sizeof(struct tx_buf), GFP_KERNEL);  in ath9k_hif_usb_alloc_tx_urbs()
789 		if (!tx_buf)  in ath9k_hif_usb_alloc_tx_urbs()
792 		tx_buf->buf = kzalloc(MAX_TX_BUF_SIZE, GFP_KERNEL);  in ath9k_hif_usb_alloc_tx_urbs()
793 		if (!tx_buf->buf)  in ath9k_hif_usb_alloc_tx_urbs()
796 		tx_buf->urb = usb_alloc_urb(0, GFP_KERNEL);  in ath9k_hif_usb_alloc_tx_urbs()
797 		if (!tx_buf->urb)  in ath9k_hif_usb_alloc_tx_urbs()
800 		tx_buf->hif_dev = hif_dev;  in ath9k_hif_usb_alloc_tx_urbs()
801 		__skb_queue_head_init(&tx_buf->skb_queue);  in ath9k_hif_usb_alloc_tx_urbs()
803 		list_add_tail(&tx_buf->list, &hif_dev->tx.tx_buf);  in ath9k_hif_usb_alloc_tx_urbs()
810 	if (tx_buf) {  in ath9k_hif_usb_alloc_tx_urbs()
811 		kfree(tx_buf->buf);  in ath9k_hif_usb_alloc_tx_urbs()
812 		kfree(tx_buf);  in ath9k_hif_usb_alloc_tx_urbs()