net/bluetooth/hci_sync.c

2784 			struct hci_conn *conn;
2786 			conn = hci_conn_hash_lookup_ba(hdev, ISO_LINK,
2788 			if (conn) {
2789 				struct bt_iso_qos *qos = &conn->iso_qos;
3251 		struct hci_conn *conn;
3253 		conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &b->bdaddr);
3254 		if (!conn)
3257 		if (conn->state != BT_CONNECTED && conn->state != BT_CONFIG)
4961 		if (p->conn) {
4962 			hci_conn_drop(p->conn);
4963 			hci_conn_put(p->conn);
4964 			p->conn = NULL;
5256 static int hci_disconnect_sync(struct hci_dev *hdev, struct hci_conn *conn,
5261 	if (test_bit(HCI_CONN_BIG_CREATED, &conn->flags)) {
5266 		hci_conn_failed(conn, reason);
5273 	cp.handle = cpu_to_le16(conn->handle);
5292 				      struct hci_conn *conn, u8 reason)
5297 	if (test_bit(HCI_CONN_SCANNING, &conn->flags))
5300 	if (conn->role == HCI_ROLE_SLAVE ||
5301 	    test_and_set_bit(HCI_CONN_CANCEL, &conn->flags))
5308 static int hci_connect_cancel_sync(struct hci_dev *hdev, struct hci_conn *conn,
5311 	if (conn->type == LE_LINK)
5312 		return hci_le_connect_cancel_sync(hdev, conn, reason);
5314 	if (conn->type == ISO_LINK) {
5323 		if (test_bit(HCI_CONN_CREATE_CIS, &conn->flags))
5324 			return hci_disconnect_sync(hdev, conn, reason);
5327 		if (bacmp(&conn->dst, BDADDR_ANY))
5346 						6, &conn->dst,
5351 				     6, &conn->dst, HCI_CMD_TIMEOUT);
5354 static int hci_reject_sco_sync(struct hci_dev *hdev, struct hci_conn *conn,
5360 	bacpy(&cp.bdaddr, &conn->dst);
5373 static int hci_le_reject_cis_sync(struct hci_dev *hdev, struct hci_conn *conn,
5379 	cp.handle = cpu_to_le16(conn->handle);
5386 static int hci_reject_conn_sync(struct hci_dev *hdev, struct hci_conn *conn,
5391 	if (conn->type == ISO_LINK)
5392 		return hci_le_reject_cis_sync(hdev, conn, reason);
5394 	if (conn->type == SCO_LINK || conn->type == ESCO_LINK)
5395 		return hci_reject_sco_sync(hdev, conn, reason);
5398 	bacpy(&cp.bdaddr, &conn->dst);
5405 int hci_abort_conn_sync(struct hci_dev *hdev, struct hci_conn *conn, u8 reason)
5408 	u16 handle = conn->handle;
5412 	switch (conn->state) {
5415 		err = hci_disconnect_sync(hdev, conn, reason);
5418 		err = hci_connect_cancel_sync(hdev, conn, reason);
5421 		err = hci_reject_conn_sync(hdev, conn, reason);
5435 	if (!c || c != conn) {
5446 		conn->state = BT_CLOSED;
5447 		hci_disconn_cfm(conn, reason);
5448 		hci_conn_del(conn);
5450 		hci_conn_failed(conn, reason);
5461 	struct hci_conn *conn;
5464 	while ((conn = list_first_or_null_rcu(head, struct hci_conn, list))) {
5466 		conn = hci_conn_get(conn);
5473 		hci_abort_conn_sync(hdev, conn, reason);
5474 		hci_conn_put(conn);
6074 static bool conn_use_rpa(struct hci_conn *conn)
6076 	struct hci_dev *hdev = conn->hdev;
6082 						struct hci_conn *conn)
6089 	err = hci_update_random_address_sync(hdev, false, conn_use_rpa(conn),
6097 	err = hci_get_random_address(hdev, false, conn_use_rpa(conn), NULL,
6111 	cp.peer_addr_type = conn->dst_type;
6112 	bacpy(&cp.peer_addr, &conn->dst);
6145 					    struct hci_conn *conn)
6153 		return hci_le_ext_directed_advertising_sync(hdev, conn);
6165 	status = hci_update_random_address_sync(hdev, false, conn_use_rpa(conn),
6181 	cp.direct_addr_type = conn->dst_type;
6182 	bacpy(&cp.direct_addr, &conn->dst);
6196 static void set_ext_conn_params(struct hci_conn *conn,
6199 	struct hci_dev *hdev = conn->hdev;
6205 	p->conn_interval_min = cpu_to_le16(conn->le_conn_min_interval);
6206 	p->conn_interval_max = cpu_to_le16(conn->le_conn_max_interval);
6207 	p->conn_latency = cpu_to_le16(conn->le_conn_latency);
6208 	p->supervision_timeout = cpu_to_le16(conn->le_supv_timeout);
6214 				       struct hci_conn *conn, u8 own_addr_type)
6226 	bacpy(&cp->peer_addr, &conn->dst);
6227 	cp->peer_addr_type = conn->dst_type;
6232 	if (scan_1m(hdev) && (conn->le_adv_phy == HCI_ADV_PHY_1M ||
6233 			      conn->le_adv_sec_phy == HCI_ADV_PHY_1M)) {
6235 		set_ext_conn_params(conn, p);
6241 	if (scan_2m(hdev) && (conn->le_adv_phy == HCI_ADV_PHY_2M ||
6242 			      conn->le_adv_sec_phy == HCI_ADV_PHY_2M)) {
6244 		set_ext_conn_params(conn, p);
6250 	if (scan_coded(hdev) && (conn->le_adv_phy == HCI_ADV_PHY_CODED ||
6251 				 conn->le_adv_sec_phy == HCI_ADV_PHY_CODED)) {
6253 		set_ext_conn_params(conn, p);
6261 					conn->conn_timeout, NULL);
6270 	struct hci_conn *conn = data;
6272 	if (!hci_conn_valid(hdev, conn))
6275 	bt_dev_dbg(hdev, "conn %p", conn);
6277 	clear_bit(HCI_CONN_SCANNING, &conn->flags);
6278 	conn->state = BT_CONNECT;
6281 	if (conn->role == HCI_ROLE_SLAVE) {
6288 			hci_conn_del(conn);
6295 		err = hci_le_directed_advertising_sync(hdev, conn);
6303 	params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
6305 		conn->le_conn_min_interval = params->conn_min_interval;
6306 		conn->le_conn_max_interval = params->conn_max_interval;
6307 		conn->le_conn_latency = params->conn_latency;
6308 		conn->le_supv_timeout = params->supervision_timeout;
6310 		conn->le_conn_min_interval = hdev->le_conn_min_interval;
6311 		conn->le_conn_max_interval = hdev->le_conn_max_interval;
6312 		conn->le_conn_latency = hdev->le_conn_latency;
6313 		conn->le_supv_timeout = hdev->le_supv_timeout;
6330 	err = hci_update_random_address_sync(hdev, false, conn_use_rpa(conn),
6336 		err = hci_le_ext_create_conn_sync(hdev, conn, own_addr_type);
6345 	bacpy(&cp.peer_addr, &conn->dst);
6346 	cp.peer_addr_type = conn->dst_type;
6348 	cp.conn_interval_min = cpu_to_le16(conn->le_conn_min_interval);
6349 	cp.conn_interval_max = cpu_to_le16(conn->le_conn_max_interval);
6350 	cp.conn_latency = cpu_to_le16(conn->le_conn_latency);
6351 	cp.supervision_timeout = cpu_to_le16(conn->le_supv_timeout);
6366 				       conn->conn_timeout, NULL);
6370 		hci_le_connect_cancel_sync(hdev, conn, 0x00);
6381 	struct hci_conn *conn;
6412 	list_for_each_entry_rcu(conn, &hdev->conn_hash.list, list) {
6413 		if (test_bit(HCI_CONN_CREATE_CIS, &conn->flags))
6418 	list_for_each_entry_rcu(conn, &hdev->conn_hash.list, list) {
6421 		if (hci_conn_check_create_cis(conn))
6424 		cig = conn->iso_qos.ucast.cig;
6442 	list_for_each_entry_rcu(conn, &hdev->conn_hash.list, list) {
6445 		if (hci_conn_check_create_cis(conn) ||
6446 		    conn->iso_qos.ucast.cig != cig)
6449 		set_bit(HCI_CONN_CREATE_CIS, &conn->flags);
6450 		cis->acl_handle = cpu_to_le16(conn->parent->handle);
6451 		cis->cis_handle = cpu_to_le16(conn->handle);
6471 					conn->conn_timeout, NULL);
6595 	struct hci_conn *conn = data;
6600 	if (!hci_conn_valid(hdev, conn))
6618 	conn->state = BT_CONNECT;
6619 	conn->out = true;
6620 	conn->role = HCI_ROLE_MASTER;
6622 	conn->attempt++;
6624 	conn->link_policy = hdev->link_policy;
6627 	bacpy(&cp.bdaddr, &conn->dst);
6630 	ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
6639 		memcpy(conn->dev_class, ie->data.dev_class, 3);
6642 	cp.pkt_type = cpu_to_le16(conn->pkt_type);
6651 					conn->conn_timeout, NULL);
6654 int hci_connect_acl_sync(struct hci_dev *hdev, struct hci_conn *conn)
6656 	return hci_cmd_sync_queue_once(hdev, hci_acl_create_conn_sync, conn,
6662 	struct hci_conn *conn = data;
6671 	if (!hci_conn_valid(hdev, conn))
6675 		hci_connect_le_scan_cleanup(conn, 0x00);
6680 	if (conn != hci_lookup_le_connect(hdev))
6683 	/* Flush to make sure we send create conn cancel command if needed */
6684 	flush_delayed_work(&conn->le_conn_timeout);
6685 	hci_conn_failed(conn, bt_status(err));
6691 int hci_connect_le_sync(struct hci_dev *hdev, struct hci_conn *conn)
6693 	return hci_cmd_sync_queue_once(hdev, hci_le_create_conn_sync, conn,
6697 int hci_cancel_connect_sync(struct hci_dev *hdev, struct hci_conn *conn)
6699 	if (conn->state != BT_OPEN)
6702 	switch (conn->type) {
6706 						  conn, NULL);
6709 						  conn, create_le_conn_complete);