597 static void btusb_intr_complete(struct urb *urb)  in btusb_intr_complete()  argument
599 	struct hci_dev *hdev = urb->context;  in btusb_intr_complete()
603 	BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,  in btusb_intr_complete()
604 	       urb->actual_length);  in btusb_intr_complete()
609 	if (urb->status == 0) {  in btusb_intr_complete()
610 		hdev->stat.byte_rx += urb->actual_length;  in btusb_intr_complete()
612 		if (btusb_recv_intr(data, urb->transfer_buffer,  in btusb_intr_complete()
613 				    urb->actual_length) < 0) {  in btusb_intr_complete()
617 	} else if (urb->status == -ENOENT) {  in btusb_intr_complete()
626 	usb_anchor_urb(urb, &data->intr_anchor);  in btusb_intr_complete()
628 	err = usb_submit_urb(urb, GFP_ATOMIC);  in btusb_intr_complete()
634 			       hdev->name, urb, -err);  in btusb_intr_complete()
635 		usb_unanchor_urb(urb);  in btusb_intr_complete()
642 	struct urb *urb;  in btusb_submit_intr_urb()  local
652 	urb = usb_alloc_urb(0, mem_flags);  in btusb_submit_intr_urb()
653 	if (!urb)  in btusb_submit_intr_urb()
660 		usb_free_urb(urb);  in btusb_submit_intr_urb()
666 	usb_fill_int_urb(urb, data->udev, pipe, buf, size,  in btusb_submit_intr_urb()
669 	urb->transfer_flags |= URB_FREE_BUFFER;  in btusb_submit_intr_urb()
671 	usb_anchor_urb(urb, &data->intr_anchor);  in btusb_submit_intr_urb()
673 	err = usb_submit_urb(urb, mem_flags);  in btusb_submit_intr_urb()
677 			       hdev->name, urb, -err);  in btusb_submit_intr_urb()
678 		usb_unanchor_urb(urb);  in btusb_submit_intr_urb()
681 	usb_free_urb(urb);  in btusb_submit_intr_urb()
686 static void btusb_bulk_complete(struct urb *urb)  in btusb_bulk_complete()  argument
688 	struct hci_dev *hdev = urb->context;  in btusb_bulk_complete()
692 	BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,  in btusb_bulk_complete()
693 	       urb->actual_length);  in btusb_bulk_complete()
698 	if (urb->status == 0) {  in btusb_bulk_complete()
699 		hdev->stat.byte_rx += urb->actual_length;  in btusb_bulk_complete()
701 		if (data->recv_bulk(data, urb->transfer_buffer,  in btusb_bulk_complete()
702 				    urb->actual_length) < 0) {  in btusb_bulk_complete()
706 	} else if (urb->status == -ENOENT) {  in btusb_bulk_complete()
714 	usb_anchor_urb(urb, &data->bulk_anchor);  in btusb_bulk_complete()
717 	err = usb_submit_urb(urb, GFP_ATOMIC);  in btusb_bulk_complete()
723 			       hdev->name, urb, -err);  in btusb_bulk_complete()
724 		usb_unanchor_urb(urb);  in btusb_bulk_complete()
731 	struct urb *urb;  in btusb_submit_bulk_urb()  local
741 	urb = usb_alloc_urb(0, mem_flags);  in btusb_submit_bulk_urb()
742 	if (!urb)  in btusb_submit_bulk_urb()
747 		usb_free_urb(urb);  in btusb_submit_bulk_urb()
753 	usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,  in btusb_submit_bulk_urb()
756 	urb->transfer_flags |= URB_FREE_BUFFER;  in btusb_submit_bulk_urb()
759 	usb_anchor_urb(urb, &data->bulk_anchor);  in btusb_submit_bulk_urb()
761 	err = usb_submit_urb(urb, mem_flags);  in btusb_submit_bulk_urb()
765 			       hdev->name, urb, -err);  in btusb_submit_bulk_urb()
766 		usb_unanchor_urb(urb);  in btusb_submit_bulk_urb()
769 	usb_free_urb(urb);  in btusb_submit_bulk_urb()
774 static void btusb_isoc_complete(struct urb *urb)  in btusb_isoc_complete()  argument
776 	struct hci_dev *hdev = urb->context;  in btusb_isoc_complete()
780 	BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,  in btusb_isoc_complete()
781 	       urb->actual_length);  in btusb_isoc_complete()
786 	if (urb->status == 0) {  in btusb_isoc_complete()
787 		for (i = 0; i < urb->number_of_packets; i++) {  in btusb_isoc_complete()
788 			unsigned int offset = urb->iso_frame_desc[i].offset;  in btusb_isoc_complete()
789 			unsigned int length = urb->iso_frame_desc[i].actual_length;  in btusb_isoc_complete()
791 			if (urb->iso_frame_desc[i].status)  in btusb_isoc_complete()
796 			if (btusb_recv_isoc(data, urb->transfer_buffer + offset,  in btusb_isoc_complete()
802 	} else if (urb->status == -ENOENT) {  in btusb_isoc_complete()
810 	usb_anchor_urb(urb, &data->isoc_anchor);  in btusb_isoc_complete()
812 	err = usb_submit_urb(urb, GFP_ATOMIC);  in btusb_isoc_complete()
818 			       hdev->name, urb, -err);  in btusb_isoc_complete()
819 		usb_unanchor_urb(urb);  in btusb_isoc_complete()
823 static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)  in __fill_isoc_descriptor()  argument
831 		urb->iso_frame_desc[i].offset = offset;  in __fill_isoc_descriptor()
832 		urb->iso_frame_desc[i].length = mtu;  in __fill_isoc_descriptor()
836 		urb->iso_frame_desc[i].offset = offset;  in __fill_isoc_descriptor()
837 		urb->iso_frame_desc[i].length = len;  in __fill_isoc_descriptor()
841 	urb->number_of_packets = i;  in __fill_isoc_descriptor()
847 	struct urb *urb;  in btusb_submit_isoc_urb()  local
857 	urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);  in btusb_submit_isoc_urb()
858 	if (!urb)  in btusb_submit_isoc_urb()
866 		usb_free_urb(urb);  in btusb_submit_isoc_urb()
872 	usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,  in btusb_submit_isoc_urb()
875 	urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;  in btusb_submit_isoc_urb()
877 	__fill_isoc_descriptor(urb, size,  in btusb_submit_isoc_urb()
880 	usb_anchor_urb(urb, &data->isoc_anchor);  in btusb_submit_isoc_urb()
882 	err = usb_submit_urb(urb, mem_flags);  in btusb_submit_isoc_urb()
886 			       hdev->name, urb, -err);  in btusb_submit_isoc_urb()
887 		usb_unanchor_urb(urb);  in btusb_submit_isoc_urb()
890 	usb_free_urb(urb);  in btusb_submit_isoc_urb()
895 static void btusb_diag_complete(struct urb *urb)  in btusb_diag_complete()  argument
897 	struct hci_dev *hdev = urb->context;  in btusb_diag_complete()
901 	BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,  in btusb_diag_complete()
902 	       urb->actual_length);  in btusb_diag_complete()
904 	if (urb->status == 0) {  in btusb_diag_complete()
907 		skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC);  in btusb_diag_complete()
909 			memcpy(skb_put(skb, urb->actual_length),  in btusb_diag_complete()
910 			       urb->transfer_buffer, urb->actual_length);  in btusb_diag_complete()
913 	} else if (urb->status == -ENOENT) {  in btusb_diag_complete()
921 	usb_anchor_urb(urb, &data->diag_anchor);  in btusb_diag_complete()
924 	err = usb_submit_urb(urb, GFP_ATOMIC);  in btusb_diag_complete()
930 			       hdev->name, urb, -err);  in btusb_diag_complete()
931 		usb_unanchor_urb(urb);  in btusb_diag_complete()
938 	struct urb *urb;  in btusb_submit_diag_urb()  local
948 	urb = usb_alloc_urb(0, mem_flags);  in btusb_submit_diag_urb()
949 	if (!urb)  in btusb_submit_diag_urb()
954 		usb_free_urb(urb);  in btusb_submit_diag_urb()
960 	usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,  in btusb_submit_diag_urb()
963 	urb->transfer_flags |= URB_FREE_BUFFER;  in btusb_submit_diag_urb()
966 	usb_anchor_urb(urb, &data->diag_anchor);  in btusb_submit_diag_urb()
968 	err = usb_submit_urb(urb, mem_flags);  in btusb_submit_diag_urb()
972 			       hdev->name, urb, -err);  in btusb_submit_diag_urb()
973 		usb_unanchor_urb(urb);  in btusb_submit_diag_urb()
976 	usb_free_urb(urb);  in btusb_submit_diag_urb()
981 static void btusb_tx_complete(struct urb *urb)  in btusb_tx_complete()  argument
983 	struct sk_buff *skb = urb->context;  in btusb_tx_complete()
987 	BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,  in btusb_tx_complete()
988 	       urb->actual_length);  in btusb_tx_complete()
993 	if (!urb->status)  in btusb_tx_complete()
994 		hdev->stat.byte_tx += urb->transfer_buffer_length;  in btusb_tx_complete()
1003 	kfree(urb->setup_packet);  in btusb_tx_complete()
1008 static void btusb_isoc_tx_complete(struct urb *urb)  in btusb_isoc_tx_complete()  argument
1010 	struct sk_buff *skb = urb->context;  in btusb_isoc_tx_complete()
1013 	BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,  in btusb_isoc_tx_complete()
1014 	       urb->actual_length);  in btusb_isoc_tx_complete()
1019 	if (!urb->status)  in btusb_isoc_tx_complete()
1020 		hdev->stat.byte_tx += urb->transfer_buffer_length;  in btusb_isoc_tx_complete()
1025 	kfree(urb->setup_packet);  in btusb_isoc_tx_complete()
1133 static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)  in alloc_ctrl_urb()
1137 	struct urb *urb;  in alloc_ctrl_urb()  local
1140 	urb = usb_alloc_urb(0, GFP_KERNEL);  in alloc_ctrl_urb()
1141 	if (!urb)  in alloc_ctrl_urb()
1146 		usb_free_urb(urb);  in alloc_ctrl_urb()
1158 	usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,  in alloc_ctrl_urb()
1163 	return urb;  in alloc_ctrl_urb()
1166 static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb)  in alloc_bulk_urb()
1169 	struct urb *urb;  in alloc_bulk_urb()  local
1175 	urb = usb_alloc_urb(0, GFP_KERNEL);  in alloc_bulk_urb()
1176 	if (!urb)  in alloc_bulk_urb()
1181 	usb_fill_bulk_urb(urb, data->udev, pipe,  in alloc_bulk_urb()
1186 	return urb;  in alloc_bulk_urb()
1189 static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)  in alloc_isoc_urb()
1192 	struct urb *urb;  in alloc_isoc_urb()  local
1198 	urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);  in alloc_isoc_urb()
1199 	if (!urb)  in alloc_isoc_urb()
1204 	usb_fill_int_urb(urb, data->udev, pipe,  in alloc_isoc_urb()
1208 	urb->transfer_flags  = URB_ISO_ASAP;  in alloc_isoc_urb()
1210 	__fill_isoc_descriptor(urb, skb->len,  in alloc_isoc_urb()
1215 	return urb;  in alloc_isoc_urb()
1218 static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb)  in submit_tx_urb()  argument
1223 	usb_anchor_urb(urb, &data->tx_anchor);  in submit_tx_urb()
1225 	err = usb_submit_urb(urb, GFP_KERNEL);  in submit_tx_urb()
1229 			       hdev->name, urb, -err);  in submit_tx_urb()
1230 		kfree(urb->setup_packet);  in submit_tx_urb()
1231 		usb_unanchor_urb(urb);  in submit_tx_urb()
1236 	usb_free_urb(urb);  in submit_tx_urb()
1240 static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb)  in submit_or_queue_tx_urb()  argument
1253 		return submit_tx_urb(hdev, urb);  in submit_or_queue_tx_urb()
1255 	usb_anchor_urb(urb, &data->deferred);  in submit_or_queue_tx_urb()
1258 	usb_free_urb(urb);  in submit_or_queue_tx_urb()
1264 	struct urb *urb;  in btusb_send_frame()  local
1270 		urb = alloc_ctrl_urb(hdev, skb);  in btusb_send_frame()
1271 		if (IS_ERR(urb))  in btusb_send_frame()
1272 			return PTR_ERR(urb);  in btusb_send_frame()
1275 		return submit_or_queue_tx_urb(hdev, urb);  in btusb_send_frame()
1278 		urb = alloc_bulk_urb(hdev, skb);  in btusb_send_frame()
1279 		if (IS_ERR(urb))  in btusb_send_frame()
1280 			return PTR_ERR(urb);  in btusb_send_frame()
1283 		return submit_or_queue_tx_urb(hdev, urb);  in btusb_send_frame()
1289 		urb = alloc_isoc_urb(hdev, skb);  in btusb_send_frame()
1290 		if (IS_ERR(urb))  in btusb_send_frame()
1291 			return PTR_ERR(urb);  in btusb_send_frame()
1294 		return submit_tx_urb(hdev, urb);  in btusb_send_frame()
1952 	struct urb *urb;  in btusb_send_frame_intel()  local
1967 				urb = alloc_bulk_urb(hdev, skb);  in btusb_send_frame_intel()
1969 				urb = alloc_ctrl_urb(hdev, skb);  in btusb_send_frame_intel()
1979 			urb = alloc_ctrl_urb(hdev, skb);  in btusb_send_frame_intel()
1981 		if (IS_ERR(urb))  in btusb_send_frame_intel()
1982 			return PTR_ERR(urb);  in btusb_send_frame_intel()
1985 		return submit_or_queue_tx_urb(hdev, urb);  in btusb_send_frame_intel()
1988 		urb = alloc_bulk_urb(hdev, skb);  in btusb_send_frame_intel()
1989 		if (IS_ERR(urb))  in btusb_send_frame_intel()
1990 			return PTR_ERR(urb);  in btusb_send_frame_intel()
1993 		return submit_or_queue_tx_urb(hdev, urb);  in btusb_send_frame_intel()
1999 		urb = alloc_isoc_urb(hdev, skb);  in btusb_send_frame_intel()
2000 		if (IS_ERR(urb))  in btusb_send_frame_intel()
2001 			return PTR_ERR(urb);  in btusb_send_frame_intel()
2004 		return submit_tx_urb(hdev, urb);  in btusb_send_frame_intel()
2725 static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable)  in alloc_diag_urb()
2729 	struct urb *urb;  in alloc_diag_urb()  local
2735 	urb = usb_alloc_urb(0, GFP_KERNEL);  in alloc_diag_urb()
2736 	if (!urb)  in alloc_diag_urb()
2741 		usb_free_urb(urb);  in alloc_diag_urb()
2750 	usb_fill_bulk_urb(urb, data->udev, pipe,  in alloc_diag_urb()
2755 	return urb;  in alloc_diag_urb()
2761 	struct urb *urb;  in btusb_bcm_set_diag()  local
2769 	urb = alloc_diag_urb(hdev, enable);  in btusb_bcm_set_diag()
2770 	if (IS_ERR(urb))  in btusb_bcm_set_diag()
2771 		return PTR_ERR(urb);  in btusb_bcm_set_diag()
2773 	return submit_or_queue_tx_urb(hdev, urb);  in btusb_bcm_set_diag()
3149 	struct urb *urb;  in play_deferred()  local
3152 	while ((urb = usb_get_from_anchor(&data->deferred))) {  in play_deferred()
3153 		err = usb_submit_urb(urb, GFP_ATOMIC);  in play_deferred()