1 // SPDX-License-Identifier: GPL-2.0-only
14 #define MSFT_RSSI_THRESHOLD_VALUE_MIN		-127
146 	struct msft_rp_read_supported_features *rp;  in read_supported_features()  local
151 	skb = __hci_cmd_sync(hdev, hdev->msft_opcode, sizeof(cp), &cp,  in read_supported_features()
155 			skb = ERR_PTR(-EIO);  in read_supported_features()
162 	if (skb->len < sizeof(*rp)) {  in read_supported_features()
167 	rp = (struct msft_rp_read_supported_features *)skb->data;  in read_supported_features()
169 	if (rp->sub_opcode != MSFT_OP_READ_SUPPORTED_FEATURES)  in read_supported_features()
172 	if (rp->evt_prefix_len > 0) {  in read_supported_features()
173 		msft->evt_prefix = kmemdup(rp->evt_prefix, rp->evt_prefix_len,  in read_supported_features()
175 		if (!msft->evt_prefix)  in read_supported_features()
179 	msft->evt_prefix_len = rp->evt_prefix_len;  in read_supported_features()
180 	msft->features = __le64_to_cpu(rp->features);  in read_supported_features()
182 	if (msft->features & MSFT_FEATURE_MASK_CURVE_VALIDITY)  in read_supported_features()
183 		hdev->msft_curve_validity = true;  in read_supported_features()
195  * This function requires the caller holds hdev->lock
201 	struct msft_data *msft = hdev->msft_data;  in msft_find_handle_data()
203 	list_for_each_entry(entry, &msft->handle_map, list) {  in msft_find_handle_data()
204 		if (is_mgmt && entry->mgmt_handle == handle)  in msft_find_handle_data()
206 		if (!is_mgmt && entry->msft_handle == handle)  in msft_find_handle_data()
213 /* This function requires the caller holds msft->filter_lock */
219 	struct msft_data *msft = hdev->msft_data;  in msft_find_address_data()
221 	list_for_each_entry(entry, &msft->address_filters, list) {  in msft_find_address_data()
222 		if (entry->pattern_handle == pattern_handle &&  in msft_find_address_data()
223 		    addr_type == entry->addr_type &&  in msft_find_address_data()
224 		    !bacmp(addr, &entry->bdaddr))  in msft_find_address_data()
231 /* This function requires the caller holds hdev->lock */
239 	list_for_each_entry_safe(dev, tmp, &hdev->monitored_devices, list) {  in msft_monitor_device_del()
244 		if ((!mgmt_handle || dev->handle == mgmt_handle) &&  in msft_monitor_device_del()
245 		    (!bdaddr || (!bacmp(bdaddr, &dev->bdaddr) &&  in msft_monitor_device_del()
246 				 addr_type == dev->addr_type))) {  in msft_monitor_device_del()
247 			if (notify && dev->notified) {  in msft_monitor_device_del()
248 				mgmt_adv_monitor_device_lost(hdev, dev->handle,  in msft_monitor_device_del()
249 							     &dev->bdaddr,  in msft_monitor_device_del()
250 							     dev->addr_type);  in msft_monitor_device_del()
253 			list_del(&dev->list);  in msft_monitor_device_del()
266 	struct msft_rp_le_monitor_advertisement *rp;  in msft_le_monitor_advertisement_cb()  local
268 	struct msft_data *msft = hdev->msft_data;  in msft_le_monitor_advertisement_cb()
273 	rp = (struct msft_rp_le_monitor_advertisement *)skb->data;  in msft_le_monitor_advertisement_cb()
274 	if (skb->len < sizeof(*rp)) {  in msft_le_monitor_advertisement_cb()
279 	status = rp->status;  in msft_le_monitor_advertisement_cb()
289 	handle_data->mgmt_handle = monitor->handle;  in msft_le_monitor_advertisement_cb()
290 	handle_data->msft_handle = rp->handle;  in msft_le_monitor_advertisement_cb()
291 	handle_data->cond_type   = MSFT_MONITOR_ADVERTISEMENT_TYPE_PATTERN;  in msft_le_monitor_advertisement_cb()
292 	INIT_LIST_HEAD(&handle_data->list);  in msft_le_monitor_advertisement_cb()
293 	list_add(&handle_data->list, &msft->handle_map);  in msft_le_monitor_advertisement_cb()
295 	monitor->state = ADV_MONITOR_STATE_OFFLOADED;  in msft_le_monitor_advertisement_cb()
311 	struct msft_data *msft = hdev->msft_data;  in msft_remove_addr_filters_sync()
318 	mutex_lock(&msft->filter_lock);  in msft_remove_addr_filters_sync()
320 	list_for_each_entry_safe(address_filter, n, &msft->address_filters,  in msft_remove_addr_filters_sync()
322 		if (address_filter->pattern_handle != handle)  in msft_remove_addr_filters_sync()
325 		list_del(&address_filter->list);  in msft_remove_addr_filters_sync()
331 		if (address_filter->state == AF_STATE_ADDING) {  in msft_remove_addr_filters_sync()
332 			address_filter->state = AF_STATE_REMOVING;  in msft_remove_addr_filters_sync()
340 		if (address_filter->state == AF_STATE_REMOVING)  in msft_remove_addr_filters_sync()
343 		list_add_tail(&address_filter->list, &head);  in msft_remove_addr_filters_sync()
346 	mutex_unlock(&msft->filter_lock);  in msft_remove_addr_filters_sync()
349 		list_del(&address_filter->list);  in msft_remove_addr_filters_sync()
352 		cp.handle = address_filter->msft_handle;  in msft_remove_addr_filters_sync()
354 		skb = __hci_cmd_sync(hdev, hdev->msft_opcode, sizeof(cp), &cp,  in msft_remove_addr_filters_sync()
364 			   &address_filter->bdaddr);  in msft_remove_addr_filters_sync()
375 	struct msft_rp_le_cancel_monitor_advertisement *rp;  in msft_le_cancel_monitor_advertisement_cb()  local
377 	struct msft_data *msft = hdev->msft_data;  in msft_le_cancel_monitor_advertisement_cb()
381 	rp = (struct msft_rp_le_cancel_monitor_advertisement *)skb->data;  in msft_le_cancel_monitor_advertisement_cb()
382 	if (skb->len < sizeof(*rp)) {  in msft_le_cancel_monitor_advertisement_cb()
387 	status = rp->status;  in msft_le_cancel_monitor_advertisement_cb()
393 	handle_data = msft_find_handle_data(hdev, monitor->handle, true);  in msft_le_cancel_monitor_advertisement_cb()
396 		if (monitor->state == ADV_MONITOR_STATE_OFFLOADED)  in msft_le_cancel_monitor_advertisement_cb()
397 			monitor->state = ADV_MONITOR_STATE_REGISTERED;  in msft_le_cancel_monitor_advertisement_cb()
400 		 * suspend. It will be re-monitored on resume.  in msft_le_cancel_monitor_advertisement_cb()
402 		if (!msft->suspending) {  in msft_le_cancel_monitor_advertisement_cb()
406 			msft_monitor_device_del(hdev, handle_data->mgmt_handle,  in msft_le_cancel_monitor_advertisement_cb()
410 		msft_handle = handle_data->msft_handle;  in msft_le_cancel_monitor_advertisement_cb()
412 		list_del(&handle_data->list);  in msft_le_cancel_monitor_advertisement_cb()
434 	handle_data = msft_find_handle_data(hdev, monitor->handle, true);  in msft_remove_monitor_sync()
438 		return -ENOENT;  in msft_remove_monitor_sync()
441 	cp.handle = handle_data->msft_handle;  in msft_remove_monitor_sync()
443 	skb = __hci_cmd_sync(hdev, hdev->msft_opcode, sizeof(cp), &cp,  in msft_remove_monitor_sync()
447 			return -EIO;  in msft_remove_monitor_sync()
451 	return msft_le_cancel_monitor_advertisement_cb(hdev, hdev->msft_opcode,  in msft_remove_monitor_sync()
458 	struct msft_data *msft = hdev->msft_data;  in msft_suspend_sync()
465 	msft->suspending = true;  in msft_suspend_sync()
468 		monitor = idr_get_next(&hdev->adv_monitors_idr, &handle);  in msft_suspend_sync()
478 	msft->suspending = false;  in msft_suspend_sync()
485 	struct adv_rssi_thresholds *r = &monitor->rssi;  in msft_monitor_rssi_valid()
487 	if (r->high_threshold < MSFT_RSSI_THRESHOLD_VALUE_MIN ||  in msft_monitor_rssi_valid()
488 	    r->high_threshold > MSFT_RSSI_THRESHOLD_VALUE_MAX ||  in msft_monitor_rssi_valid()
489 	    r->low_threshold < MSFT_RSSI_THRESHOLD_VALUE_MIN ||  in msft_monitor_rssi_valid()
490 	    r->low_threshold > MSFT_RSSI_THRESHOLD_VALUE_MAX)  in msft_monitor_rssi_valid()
496 	if (r->high_threshold_timeout != 0)  in msft_monitor_rssi_valid()
499 	if (r->low_threshold_timeout > MSFT_RSSI_LOW_TIMEOUT_MAX)  in msft_monitor_rssi_valid()
509 	/* No additional check needed for pattern-based monitor */  in msft_monitor_pattern_valid()
527 		return -EINVAL;  in msft_add_monitor_sync()
529 	list_for_each_entry(entry, &monitor->patterns, list) {  in msft_add_monitor_sync()
531 		total_size += sizeof(*pattern) + entry->length;  in msft_add_monitor_sync()
536 		return -ENOMEM;  in msft_add_monitor_sync()
538 	cp->sub_opcode = MSFT_OP_LE_MONITOR_ADVERTISEMENT;  in msft_add_monitor_sync()
539 	cp->rssi_high = monitor->rssi.high_threshold;  in msft_add_monitor_sync()
540 	cp->rssi_low = monitor->rssi.low_threshold;  in msft_add_monitor_sync()
541 	cp->rssi_low_interval = (u8)monitor->rssi.low_threshold_timeout;  in msft_add_monitor_sync()
542 	cp->rssi_sampling_period = monitor->rssi.sampling_period;  in msft_add_monitor_sync()
544 	cp->cond_type = MSFT_MONITOR_ADVERTISEMENT_TYPE_PATTERN;  in msft_add_monitor_sync()
546 	pattern_data = (void *)cp->data;  in msft_add_monitor_sync()
547 	pattern_data->count = pattern_count;  in msft_add_monitor_sync()
549 	list_for_each_entry(entry, &monitor->patterns, list) {  in msft_add_monitor_sync()
550 		pattern = (void *)(pattern_data->data + offset);  in msft_add_monitor_sync()
552 		pattern->length = entry->length + 2;  in msft_add_monitor_sync()
553 		pattern->data_type = entry->ad_type;  in msft_add_monitor_sync()
554 		pattern->start_byte = entry->offset;  in msft_add_monitor_sync()
555 		memcpy(pattern->pattern, entry->value, entry->length);  in msft_add_monitor_sync()
556 		offset += sizeof(*pattern) + entry->length;  in msft_add_monitor_sync()
559 	skb = __hci_cmd_sync(hdev, hdev->msft_opcode, total_size, cp,  in msft_add_monitor_sync()
567 	err = msft_le_monitor_advertisement_cb(hdev, hdev->msft_opcode,  in msft_add_monitor_sync()
572 	handle_data = msft_find_handle_data(hdev, monitor->handle, true);  in msft_add_monitor_sync()
574 		err = -ENODATA;  in msft_add_monitor_sync()
578 	handle_data->rssi_high	= cp->rssi_high;  in msft_add_monitor_sync()
579 	handle_data->rssi_low	= cp->rssi_low;  in msft_add_monitor_sync()
580 	handle_data->rssi_low_interval	  = cp->rssi_low_interval;  in msft_add_monitor_sync()
581 	handle_data->rssi_sampling_period = cp->rssi_sampling_period;  in msft_add_monitor_sync()
592 	struct msft_data *msft = hdev->msft_data;  in reregister_monitor()
598 	msft->resuming = true;  in reregister_monitor()
601 		monitor = idr_get_next(&hdev->adv_monitors_idr, &handle);  in reregister_monitor()
611 	msft->resuming = false;  in reregister_monitor()
617 	struct msft_data *msft = hdev->msft_data;  in msft_resume_sync()
627 	hdev->advmon_pend_notify = false;  in msft_resume_sync()
640 	struct msft_data *msft = hdev->msft_data;  in msft_do_open()
642 	if (hdev->msft_opcode == HCI_OP_NOP)  in msft_do_open()
652 	/* Reset existing MSFT data before re-reading */  in msft_do_open()
653 	kfree(msft->evt_prefix);  in msft_do_open()
654 	msft->evt_prefix = NULL;  in msft_do_open()
655 	msft->evt_prefix_len = 0;  in msft_do_open()
656 	msft->features = 0;  in msft_do_open()
659 		hdev->msft_data = NULL;  in msft_do_open()
665 		msft->resuming = true;  in msft_do_open()
668 		 * tell the controller to re-monitor.  in msft_do_open()
676 	struct msft_data *msft = hdev->msft_data;  in msft_do_close()
689 	list_for_each_entry_safe(handle_data, tmp, &msft->handle_map, list) {  in msft_do_close()
690 		monitor = idr_find(&hdev->adv_monitors_idr,  in msft_do_close()
691 				   handle_data->mgmt_handle);  in msft_do_close()
693 		if (monitor && monitor->state == ADV_MONITOR_STATE_OFFLOADED)  in msft_do_close()
694 			monitor->state = ADV_MONITOR_STATE_REGISTERED;  in msft_do_close()
696 		list_del(&handle_data->list);  in msft_do_close()
700 	mutex_lock(&msft->filter_lock);  in msft_do_close()
701 	list_for_each_entry_safe(address_filter, n, &msft->address_filters,  in msft_do_close()
703 		list_del(&address_filter->list);  in msft_do_close()
706 	mutex_unlock(&msft->filter_lock);  in msft_do_close()
711 	hdev->advmon_pend_notify = false;  in msft_do_close()
721 	struct msft_data *msft = hdev->msft_data;  in msft_cancel_address_filter_sync()
727 		return -EINVAL;  in msft_cancel_address_filter_sync()
731 	if (!test_bit(HCI_UP, &hdev->flags))  in msft_cancel_address_filter_sync()
734 	mutex_lock(&msft->filter_lock);  in msft_cancel_address_filter_sync()
735 	list_del(&address_filter->list);  in msft_cancel_address_filter_sync()
736 	mutex_unlock(&msft->filter_lock);  in msft_cancel_address_filter_sync()
739 	cp.handle = address_filter->msft_handle;  in msft_cancel_address_filter_sync()
741 	skb = __hci_cmd_sync(hdev, hdev->msft_opcode, sizeof(cp), &cp,  in msft_cancel_address_filter_sync()
745 			   &address_filter->bdaddr);  in msft_cancel_address_filter_sync()
746 		err = -EIO;  in msft_cancel_address_filter_sync()
752 		   &address_filter->bdaddr);  in msft_cancel_address_filter_sync()
772 	INIT_LIST_HEAD(&msft->handle_map);  in msft_register()
773 	INIT_LIST_HEAD(&msft->address_filters);  in msft_register()
774 	hdev->msft_data = msft;  in msft_register()
775 	mutex_init(&msft->filter_lock);  in msft_register()
780 	struct msft_data *msft = hdev->msft_data;  in msft_unregister()
787 	hdev->msft_data = NULL;  in msft_unregister()
789 	kfree(msft->evt_prefix);  in msft_unregister()
790 	mutex_destroy(&msft->filter_lock);  in msft_unregister()
794 /* This function requires the caller holds hdev->lock */
807 	bacpy(&dev->bdaddr, bdaddr);  in msft_device_found()
808 	dev->addr_type = addr_type;  in msft_device_found()
809 	dev->handle = mgmt_handle;  in msft_device_found()
810 	dev->notified = false;  in msft_device_found()
812 	INIT_LIST_HEAD(&dev->list);  in msft_device_found()
813 	list_add(&dev->list, &hdev->monitored_devices);  in msft_device_found()
814 	hdev->advmon_pend_notify = true;  in msft_device_found()
817 /* This function requires the caller holds hdev->lock */
835 		bt_dev_err(hdev, "Malformed MSFT vendor event: 0x%02x", ev);  in msft_skb_pull()
843 	struct msft_rp_le_monitor_advertisement *rp;  in msft_add_address_filter_sync()  local
845 	struct msft_data *msft = hdev->msft_data;  in msft_add_address_filter_sync()
852 		return -EINVAL;  in msft_add_address_filter_sync()
856 	if (!test_bit(HCI_UP, &hdev->flags))  in msft_add_address_filter_sync()
857 		return -ENODEV;  in msft_add_address_filter_sync()
867 	if (address_filter->state == AF_STATE_REMOVING) {  in msft_add_address_filter_sync()
868 		mutex_lock(&msft->filter_lock);  in msft_add_address_filter_sync()
869 		list_del(&address_filter->list);  in msft_add_address_filter_sync()
870 		mutex_unlock(&msft->filter_lock);  in msft_add_address_filter_sync()
876 	       sizeof(address_filter->addr_type) +  in msft_add_address_filter_sync()
877 	       sizeof(address_filter->bdaddr);  in msft_add_address_filter_sync()
884 	cp->sub_opcode           = MSFT_OP_LE_MONITOR_ADVERTISEMENT;  in msft_add_address_filter_sync()
885 	cp->rssi_high		 = address_filter->rssi_high;  in msft_add_address_filter_sync()
886 	cp->rssi_low		 = address_filter->rssi_low;  in msft_add_address_filter_sync()
887 	cp->rssi_low_interval    = address_filter->rssi_low_interval;  in msft_add_address_filter_sync()
888 	cp->rssi_sampling_period = address_filter->rssi_sampling_period;  in msft_add_address_filter_sync()
889 	cp->cond_type            = MSFT_MONITOR_ADVERTISEMENT_TYPE_ADDR;  in msft_add_address_filter_sync()
890 	cp->data[0]              = address_filter->addr_type;  in msft_add_address_filter_sync()
891 	memcpy(&cp->data[1], &address_filter->bdaddr,  in msft_add_address_filter_sync()
892 	       sizeof(address_filter->bdaddr));  in msft_add_address_filter_sync()
894 	skb = __hci_cmd_sync(hdev, hdev->msft_opcode, size, cp,  in msft_add_address_filter_sync()
898 			   &address_filter->bdaddr);  in msft_add_address_filter_sync()
904 	rp = skb_pull_data(skb, sizeof(*rp));  in msft_add_address_filter_sync()
905 	if (!rp || rp->sub_opcode != MSFT_OP_LE_MONITOR_ADVERTISEMENT ||  in msft_add_address_filter_sync()
906 	    rp->status)  in msft_add_address_filter_sync()
910 	mutex_lock(&msft->filter_lock);  in msft_add_address_filter_sync()
914 			    &address_filter->bdaddr);  in msft_add_address_filter_sync()
915 		list_del(&address_filter->list);  in msft_add_address_filter_sync()
918 		address_filter->state = AF_STATE_ADDED;  in msft_add_address_filter_sync()
919 		address_filter->msft_handle = rp->handle;  in msft_add_address_filter_sync()
921 			   &address_filter->bdaddr);  in msft_add_address_filter_sync()
923 	mutex_unlock(&msft->filter_lock);  in msft_add_address_filter_sync()
930 /* This function requires the caller holds msft->filter_lock */
936 	struct msft_data *msft = hdev->msft_data;  in msft_add_address_filter()
943 	address_filter->state             = AF_STATE_ADDING;  in msft_add_address_filter()
944 	address_filter->msft_handle       = 0xff;  in msft_add_address_filter()
945 	address_filter->pattern_handle    = handle_data->msft_handle;  in msft_add_address_filter()
946 	address_filter->mgmt_handle       = handle_data->mgmt_handle;  in msft_add_address_filter()
947 	address_filter->rssi_high         = handle_data->rssi_high;  in msft_add_address_filter()
948 	address_filter->rssi_low          = handle_data->rssi_low;  in msft_add_address_filter()
949 	address_filter->rssi_low_interval = handle_data->rssi_low_interval;  in msft_add_address_filter()
950 	address_filter->rssi_sampling_period = handle_data->rssi_sampling_period;  in msft_add_address_filter()
951 	address_filter->addr_type            = addr_type;  in msft_add_address_filter()
952 	bacpy(&address_filter->bdaddr, bdaddr);  in msft_add_address_filter()
958 	list_add_tail(&address_filter->list, &msft->address_filters);  in msft_add_address_filter()
964 		list_del(&address_filter->list);  in msft_add_address_filter()
970 		   &address_filter->bdaddr);  in msft_add_address_filter()
975 /* This function requires the caller holds hdev->lock */
981 	struct msft_data *msft = hdev->msft_data;  in msft_monitor_device_evt()
990 		   "MSFT vendor event 0x%02x: handle 0x%04x state %d addr %pMR",  in msft_monitor_device_evt()
991 		   MSFT_EV_LE_MONITOR_DEVICE, ev->monitor_handle,  in msft_monitor_device_evt()
992 		   ev->monitor_state, &ev->bdaddr);  in msft_monitor_device_evt()
994 	handle_data = msft_find_handle_data(hdev, ev->monitor_handle, false);  in msft_monitor_device_evt()
996 	if (!test_bit(HCI_QUIRK_USE_MSFT_EXT_ADDRESS_FILTER, &hdev->quirks)) {  in msft_monitor_device_evt()
999 		mgmt_handle = handle_data->mgmt_handle;  in msft_monitor_device_evt()
1009 		address_filter = msft_find_address_data(hdev, ev->addr_type,  in msft_monitor_device_evt()
1010 							&ev->bdaddr,  in msft_monitor_device_evt()
1011 							handle_data->msft_handle);  in msft_monitor_device_evt()
1015 		if (ev->monitor_state && handle_data->cond_type ==  in msft_monitor_device_evt()
1017 			msft_add_address_filter(hdev, ev->addr_type,  in msft_monitor_device_evt()
1018 						&ev->bdaddr, handle_data);  in msft_monitor_device_evt()
1026 	list_for_each_entry(n, &msft->address_filters, list) {  in msft_monitor_device_evt()
1027 		if (n->state == AF_STATE_ADDED &&  in msft_monitor_device_evt()
1028 		    n->msft_handle == ev->monitor_handle) {  in msft_monitor_device_evt()
1029 			mgmt_handle = n->mgmt_handle;  in msft_monitor_device_evt()
1037 			    &ev->bdaddr, ev->monitor_handle, ev->monitor_state);  in msft_monitor_device_evt()
1042 	switch (ev->addr_type) {  in msft_monitor_device_evt()
1053 			   "MSFT vendor event 0x%02x: unknown addr type 0x%02x",  in msft_monitor_device_evt()
1054 			   MSFT_EV_LE_MONITOR_DEVICE, ev->addr_type);  in msft_monitor_device_evt()
1058 	if (ev->monitor_state) {  in msft_monitor_device_evt()
1059 		msft_device_found(hdev, &ev->bdaddr, addr_type, mgmt_handle);  in msft_monitor_device_evt()
1061 		if (address_filter && address_filter->state == AF_STATE_ADDED) {  in msft_monitor_device_evt()
1062 			address_filter->state = AF_STATE_REMOVING;  in msft_monitor_device_evt()
1068 		msft_device_lost(hdev, &ev->bdaddr, addr_type, mgmt_handle);  in msft_monitor_device_evt()
1074 	struct msft_data *msft = hdev->msft_data;  in msft_vendor_evt()
1084 	if (msft->evt_prefix_len > 0) {  in msft_vendor_evt()
1085 		evt_prefix = msft_skb_pull(hdev, skb, 0, msft->evt_prefix_len);  in msft_vendor_evt()
1089 		if (memcmp(evt_prefix, msft->evt_prefix, msft->evt_prefix_len))  in msft_vendor_evt()
1096 	if (skb->len < 1)  in msft_vendor_evt()
1107 		mutex_lock(&msft->filter_lock);  in msft_vendor_evt()
1109 		mutex_unlock(&msft->filter_lock);  in msft_vendor_evt()
1113 		bt_dev_dbg(hdev, "MSFT vendor event 0x%02x", *evt);  in msft_vendor_evt()
1122 	struct msft_data *msft = hdev->msft_data;  in msft_get_features()
1124 	return msft ? msft->features : 0;  in msft_get_features()
1132 	struct msft_data *msft = hdev->msft_data;  in msft_le_set_advertisement_filter_enable_cb()
1146 	msft->filter_enabled = cp->enable;  in msft_le_set_advertisement_filter_enable_cb()
1150 			    cp->enable ? "on" : "off");  in msft_le_set_advertisement_filter_enable_cb()
1158 	struct msft_data *msft = hdev->msft_data;  in msft_add_monitor_pattern()
1161 		return -EOPNOTSUPP;  in msft_add_monitor_pattern()
1163 	if (msft->resuming || msft->suspending)  in msft_add_monitor_pattern()
1164 		return -EBUSY;  in msft_add_monitor_pattern()
1172 	struct msft_data *msft = hdev->msft_data;  in msft_remove_monitor()
1175 		return -EOPNOTSUPP;  in msft_remove_monitor()
1177 	if (msft->resuming || msft->suspending)  in msft_remove_monitor()
1178 		return -EBUSY;  in msft_remove_monitor()
1186 	struct msft_data *msft = hdev->msft_data;  in msft_set_filter_enable()
1190 		return -EOPNOTSUPP;  in msft_set_filter_enable()
1194 	err = __hci_cmd_sync_status(hdev, hdev->msft_opcode, sizeof(cp), &cp,  in msft_set_filter_enable()
1204 	return hdev->msft_curve_validity;  in msft_curve_validity()