576 static void btusb_intr_complete(struct urb *urb)  in btusb_intr_complete()  argument
578 	struct hci_dev *hdev = urb->context;  in btusb_intr_complete()
582 	BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,  in btusb_intr_complete()
583 	       urb->actual_length);  in btusb_intr_complete()
588 	if (urb->status == 0) {  in btusb_intr_complete()
589 		hdev->stat.byte_rx += urb->actual_length;  in btusb_intr_complete()
591 		if (btusb_recv_intr(data, urb->transfer_buffer,  in btusb_intr_complete()
592 				    urb->actual_length) < 0) {  in btusb_intr_complete()
596 	} else if (urb->status == -ENOENT) {  in btusb_intr_complete()
605 	usb_anchor_urb(urb, &data->intr_anchor);  in btusb_intr_complete()
607 	err = usb_submit_urb(urb, GFP_ATOMIC);  in btusb_intr_complete()
613 			       hdev->name, urb, -err);  in btusb_intr_complete()
614 		usb_unanchor_urb(urb);  in btusb_intr_complete()
621 	struct urb *urb;  in btusb_submit_intr_urb()  local
631 	urb = usb_alloc_urb(0, mem_flags);  in btusb_submit_intr_urb()
632 	if (!urb)  in btusb_submit_intr_urb()
639 		usb_free_urb(urb);  in btusb_submit_intr_urb()
645 	usb_fill_int_urb(urb, data->udev, pipe, buf, size,  in btusb_submit_intr_urb()
648 	urb->transfer_flags |= URB_FREE_BUFFER;  in btusb_submit_intr_urb()
650 	usb_anchor_urb(urb, &data->intr_anchor);  in btusb_submit_intr_urb()
652 	err = usb_submit_urb(urb, mem_flags);  in btusb_submit_intr_urb()
656 			       hdev->name, urb, -err);  in btusb_submit_intr_urb()
657 		usb_unanchor_urb(urb);  in btusb_submit_intr_urb()
660 	usb_free_urb(urb);  in btusb_submit_intr_urb()
665 static void btusb_bulk_complete(struct urb *urb)  in btusb_bulk_complete()  argument
667 	struct hci_dev *hdev = urb->context;  in btusb_bulk_complete()
671 	BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,  in btusb_bulk_complete()
672 	       urb->actual_length);  in btusb_bulk_complete()
677 	if (urb->status == 0) {  in btusb_bulk_complete()
678 		hdev->stat.byte_rx += urb->actual_length;  in btusb_bulk_complete()
680 		if (data->recv_bulk(data, urb->transfer_buffer,  in btusb_bulk_complete()
681 				    urb->actual_length) < 0) {  in btusb_bulk_complete()
685 	} else if (urb->status == -ENOENT) {  in btusb_bulk_complete()
693 	usb_anchor_urb(urb, &data->bulk_anchor);  in btusb_bulk_complete()
696 	err = usb_submit_urb(urb, GFP_ATOMIC);  in btusb_bulk_complete()
702 			       hdev->name, urb, -err);  in btusb_bulk_complete()
703 		usb_unanchor_urb(urb);  in btusb_bulk_complete()
710 	struct urb *urb;  in btusb_submit_bulk_urb()  local
720 	urb = usb_alloc_urb(0, mem_flags);  in btusb_submit_bulk_urb()
721 	if (!urb)  in btusb_submit_bulk_urb()
726 		usb_free_urb(urb);  in btusb_submit_bulk_urb()
732 	usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,  in btusb_submit_bulk_urb()
735 	urb->transfer_flags |= URB_FREE_BUFFER;  in btusb_submit_bulk_urb()
738 	usb_anchor_urb(urb, &data->bulk_anchor);  in btusb_submit_bulk_urb()
740 	err = usb_submit_urb(urb, mem_flags);  in btusb_submit_bulk_urb()
744 			       hdev->name, urb, -err);  in btusb_submit_bulk_urb()
745 		usb_unanchor_urb(urb);  in btusb_submit_bulk_urb()
748 	usb_free_urb(urb);  in btusb_submit_bulk_urb()
753 static void btusb_isoc_complete(struct urb *urb)  in btusb_isoc_complete()  argument
755 	struct hci_dev *hdev = urb->context;  in btusb_isoc_complete()
759 	BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,  in btusb_isoc_complete()
760 	       urb->actual_length);  in btusb_isoc_complete()
765 	if (urb->status == 0) {  in btusb_isoc_complete()
766 		for (i = 0; i < urb->number_of_packets; i++) {  in btusb_isoc_complete()
767 			unsigned int offset = urb->iso_frame_desc[i].offset;  in btusb_isoc_complete()
768 			unsigned int length = urb->iso_frame_desc[i].actual_length;  in btusb_isoc_complete()
770 			if (urb->iso_frame_desc[i].status)  in btusb_isoc_complete()
775 			if (btusb_recv_isoc(data, urb->transfer_buffer + offset,  in btusb_isoc_complete()
781 	} else if (urb->status == -ENOENT) {  in btusb_isoc_complete()
789 	usb_anchor_urb(urb, &data->isoc_anchor);  in btusb_isoc_complete()
791 	err = usb_submit_urb(urb, GFP_ATOMIC);  in btusb_isoc_complete()
797 			       hdev->name, urb, -err);  in btusb_isoc_complete()
798 		usb_unanchor_urb(urb);  in btusb_isoc_complete()
802 static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)  in __fill_isoc_descriptor()  argument
810 		urb->iso_frame_desc[i].offset = offset;  in __fill_isoc_descriptor()
811 		urb->iso_frame_desc[i].length = mtu;  in __fill_isoc_descriptor()
815 		urb->iso_frame_desc[i].offset = offset;  in __fill_isoc_descriptor()
816 		urb->iso_frame_desc[i].length = len;  in __fill_isoc_descriptor()
820 	urb->number_of_packets = i;  in __fill_isoc_descriptor()
826 	struct urb *urb;  in btusb_submit_isoc_urb()  local
836 	urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);  in btusb_submit_isoc_urb()
837 	if (!urb)  in btusb_submit_isoc_urb()
845 		usb_free_urb(urb);  in btusb_submit_isoc_urb()
851 	usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,  in btusb_submit_isoc_urb()
854 	urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;  in btusb_submit_isoc_urb()
856 	__fill_isoc_descriptor(urb, size,  in btusb_submit_isoc_urb()
859 	usb_anchor_urb(urb, &data->isoc_anchor);  in btusb_submit_isoc_urb()
861 	err = usb_submit_urb(urb, mem_flags);  in btusb_submit_isoc_urb()
865 			       hdev->name, urb, -err);  in btusb_submit_isoc_urb()
866 		usb_unanchor_urb(urb);  in btusb_submit_isoc_urb()
869 	usb_free_urb(urb);  in btusb_submit_isoc_urb()
874 static void btusb_tx_complete(struct urb *urb)  in btusb_tx_complete()  argument
876 	struct sk_buff *skb = urb->context;  in btusb_tx_complete()
880 	BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,  in btusb_tx_complete()
881 	       urb->actual_length);  in btusb_tx_complete()
886 	if (!urb->status)  in btusb_tx_complete()
887 		hdev->stat.byte_tx += urb->transfer_buffer_length;  in btusb_tx_complete()
896 	kfree(urb->setup_packet);  in btusb_tx_complete()
901 static void btusb_isoc_tx_complete(struct urb *urb)  in btusb_isoc_tx_complete()  argument
903 	struct sk_buff *skb = urb->context;  in btusb_isoc_tx_complete()
906 	BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,  in btusb_isoc_tx_complete()
907 	       urb->actual_length);  in btusb_isoc_tx_complete()
912 	if (!urb->status)  in btusb_isoc_tx_complete()
913 		hdev->stat.byte_tx += urb->transfer_buffer_length;  in btusb_isoc_tx_complete()
918 	kfree(urb->setup_packet);  in btusb_isoc_tx_complete()
1026 static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)  in alloc_ctrl_urb()
1030 	struct urb *urb;  in alloc_ctrl_urb()  local
1033 	urb = usb_alloc_urb(0, GFP_KERNEL);  in alloc_ctrl_urb()
1034 	if (!urb)  in alloc_ctrl_urb()
1039 		usb_free_urb(urb);  in alloc_ctrl_urb()
1051 	usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,  in alloc_ctrl_urb()
1056 	return urb;  in alloc_ctrl_urb()
1059 static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb)  in alloc_bulk_urb()
1062 	struct urb *urb;  in alloc_bulk_urb()  local
1068 	urb = usb_alloc_urb(0, GFP_KERNEL);  in alloc_bulk_urb()
1069 	if (!urb)  in alloc_bulk_urb()
1074 	usb_fill_bulk_urb(urb, data->udev, pipe,  in alloc_bulk_urb()
1079 	return urb;  in alloc_bulk_urb()
1082 static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)  in alloc_isoc_urb()
1085 	struct urb *urb;  in alloc_isoc_urb()  local
1091 	urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);  in alloc_isoc_urb()
1092 	if (!urb)  in alloc_isoc_urb()
1097 	usb_fill_int_urb(urb, data->udev, pipe,  in alloc_isoc_urb()
1101 	urb->transfer_flags  = URB_ISO_ASAP;  in alloc_isoc_urb()
1103 	__fill_isoc_descriptor(urb, skb->len,  in alloc_isoc_urb()
1108 	return urb;  in alloc_isoc_urb()
1111 static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb)  in submit_tx_urb()  argument
1116 	usb_anchor_urb(urb, &data->tx_anchor);  in submit_tx_urb()
1118 	err = usb_submit_urb(urb, GFP_KERNEL);  in submit_tx_urb()
1122 			       hdev->name, urb, -err);  in submit_tx_urb()
1123 		kfree(urb->setup_packet);  in submit_tx_urb()
1124 		usb_unanchor_urb(urb);  in submit_tx_urb()
1129 	usb_free_urb(urb);  in submit_tx_urb()
1133 static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb)  in submit_or_queue_tx_urb()  argument
1146 		return submit_tx_urb(hdev, urb);  in submit_or_queue_tx_urb()
1148 	usb_anchor_urb(urb, &data->deferred);  in submit_or_queue_tx_urb()
1151 	usb_free_urb(urb);  in submit_or_queue_tx_urb()
1157 	struct urb *urb;  in btusb_send_frame()  local
1166 		urb = alloc_ctrl_urb(hdev, skb);  in btusb_send_frame()
1167 		if (IS_ERR(urb))  in btusb_send_frame()
1168 			return PTR_ERR(urb);  in btusb_send_frame()
1171 		return submit_or_queue_tx_urb(hdev, urb);  in btusb_send_frame()
1174 		urb = alloc_bulk_urb(hdev, skb);  in btusb_send_frame()
1175 		if (IS_ERR(urb))  in btusb_send_frame()
1176 			return PTR_ERR(urb);  in btusb_send_frame()
1179 		return submit_or_queue_tx_urb(hdev, urb);  in btusb_send_frame()
1185 		urb = alloc_isoc_urb(hdev, skb);  in btusb_send_frame()
1186 		if (IS_ERR(urb))  in btusb_send_frame()
1187 			return PTR_ERR(urb);  in btusb_send_frame()
1190 		return submit_tx_urb(hdev, urb);  in btusb_send_frame()
2233 	struct urb *urb;  in btusb_send_frame_intel()  local
2251 				urb = alloc_bulk_urb(hdev, skb);  in btusb_send_frame_intel()
2253 				urb = alloc_ctrl_urb(hdev, skb);  in btusb_send_frame_intel()
2263 			urb = alloc_ctrl_urb(hdev, skb);  in btusb_send_frame_intel()
2265 		if (IS_ERR(urb))  in btusb_send_frame_intel()
2266 			return PTR_ERR(urb);  in btusb_send_frame_intel()
2269 		return submit_or_queue_tx_urb(hdev, urb);  in btusb_send_frame_intel()
2272 		urb = alloc_bulk_urb(hdev, skb);  in btusb_send_frame_intel()
2273 		if (IS_ERR(urb))  in btusb_send_frame_intel()
2274 			return PTR_ERR(urb);  in btusb_send_frame_intel()
2277 		return submit_or_queue_tx_urb(hdev, urb);  in btusb_send_frame_intel()
2283 		urb = alloc_isoc_urb(hdev, skb);  in btusb_send_frame_intel()
2284 		if (IS_ERR(urb))  in btusb_send_frame_intel()
2285 			return PTR_ERR(urb);  in btusb_send_frame_intel()
2288 		return submit_tx_urb(hdev, urb);  in btusb_send_frame_intel()
3341 	struct urb *urb;  in play_deferred()  local
3344 	while ((urb = usb_get_from_anchor(&data->deferred))) {  in play_deferred()
3345 		err = usb_submit_urb(urb, GFP_ATOMIC);  in play_deferred()