62 static void hci_le_create_connection_cancel(struct hci_conn *conn)  in hci_le_create_connection_cancel()  argument
64 	hci_send_cmd(conn->hdev, HCI_OP_LE_CREATE_CONN_CANCEL, 0, NULL);  in hci_le_create_connection_cancel()
67 static void hci_acl_create_connection(struct hci_conn *conn)  in hci_acl_create_connection()  argument
69 	struct hci_dev *hdev = conn->hdev;  in hci_acl_create_connection()
73 	BT_DBG("hcon %p", conn);  in hci_acl_create_connection()
75 	conn->state = BT_CONNECT;  in hci_acl_create_connection()
76 	conn->out = true;  in hci_acl_create_connection()
77 	conn->role = HCI_ROLE_MASTER;  in hci_acl_create_connection()
79 	conn->attempt++;  in hci_acl_create_connection()
81 	conn->link_policy = hdev->link_policy;  in hci_acl_create_connection()
84 	bacpy(&cp.bdaddr, &conn->dst);  in hci_acl_create_connection()
87 	ie = hci_inquiry_cache_lookup(hdev, &conn->dst);  in hci_acl_create_connection()
96 		memcpy(conn->dev_class, ie->data.dev_class, 3);  in hci_acl_create_connection()
98 			set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);  in hci_acl_create_connection()
101 	cp.pkt_type = cpu_to_le16(conn->pkt_type);  in hci_acl_create_connection()
110 static void hci_acl_create_connection_cancel(struct hci_conn *conn)  in hci_acl_create_connection_cancel()  argument
114 	BT_DBG("hcon %p", conn);  in hci_acl_create_connection_cancel()
116 	if (conn->hdev->hci_ver < BLUETOOTH_VER_1_2)  in hci_acl_create_connection_cancel()
119 	bacpy(&cp.bdaddr, &conn->dst);  in hci_acl_create_connection_cancel()
120 	hci_send_cmd(conn->hdev, HCI_OP_CREATE_CONN_CANCEL, sizeof(cp), &cp);  in hci_acl_create_connection_cancel()
123 static void hci_reject_sco(struct hci_conn *conn)  in hci_reject_sco()  argument
128 	bacpy(&cp.bdaddr, &conn->dst);  in hci_reject_sco()
130 	hci_send_cmd(conn->hdev, HCI_OP_REJECT_SYNC_CONN_REQ, sizeof(cp), &cp);  in hci_reject_sco()
133 int hci_disconnect(struct hci_conn *conn, __u8 reason)  in hci_disconnect()  argument
137 	BT_DBG("hcon %p", conn);  in hci_disconnect()
144 	if (conn->type == ACL_LINK && conn->role == HCI_ROLE_MASTER) {  in hci_disconnect()
145 		struct hci_dev *hdev = conn->hdev;  in hci_disconnect()
148 		clkoff_cp.handle = cpu_to_le16(conn->handle);  in hci_disconnect()
153 	conn->state = BT_DISCONN;  in hci_disconnect()
155 	cp.handle = cpu_to_le16(conn->handle);  in hci_disconnect()
157 	return hci_send_cmd(conn->hdev, HCI_OP_DISCONNECT, sizeof(cp), &cp);  in hci_disconnect()
160 static void hci_amp_disconn(struct hci_conn *conn)  in hci_amp_disconn()  argument
164 	BT_DBG("hcon %p", conn);  in hci_amp_disconn()
166 	conn->state = BT_DISCONN;  in hci_amp_disconn()
168 	cp.phy_handle = HCI_PHY_HANDLE(conn->handle);  in hci_amp_disconn()
169 	cp.reason = hci_proto_disconn_ind(conn);  in hci_amp_disconn()
170 	hci_send_cmd(conn->hdev, HCI_OP_DISCONN_PHY_LINK,  in hci_amp_disconn()
174 static void hci_add_sco(struct hci_conn *conn, __u16 handle)  in hci_add_sco()  argument
176 	struct hci_dev *hdev = conn->hdev;  in hci_add_sco()
179 	BT_DBG("hcon %p", conn);  in hci_add_sco()
181 	conn->state = BT_CONNECT;  in hci_add_sco()
182 	conn->out = true;  in hci_add_sco()
184 	conn->attempt++;  in hci_add_sco()
187 	cp.pkt_type = cpu_to_le16(conn->pkt_type);  in hci_add_sco()
192 bool hci_setup_sync(struct hci_conn *conn, __u16 handle)  in hci_setup_sync()  argument
194 	struct hci_dev *hdev = conn->hdev;  in hci_setup_sync()
198 	BT_DBG("hcon %p", conn);  in hci_setup_sync()
200 	conn->state = BT_CONNECT;  in hci_setup_sync()
201 	conn->out = true;  in hci_setup_sync()
203 	conn->attempt++;  in hci_setup_sync()
209 	cp.voice_setting  = cpu_to_le16(conn->setting);  in hci_setup_sync()
211 	switch (conn->setting & SCO_AIRMODE_MASK) {  in hci_setup_sync()
213 		if (conn->attempt > ARRAY_SIZE(esco_param_msbc))  in hci_setup_sync()
215 		param = &esco_param_msbc[conn->attempt - 1];  in hci_setup_sync()
218 		if (lmp_esco_capable(conn->link)) {  in hci_setup_sync()
219 			if (conn->attempt > ARRAY_SIZE(esco_param_cvsd))  in hci_setup_sync()
221 			param = &esco_param_cvsd[conn->attempt - 1];  in hci_setup_sync()
223 			if (conn->attempt > ARRAY_SIZE(sco_param_cvsd))  in hci_setup_sync()
225 			param = &sco_param_cvsd[conn->attempt - 1];  in hci_setup_sync()
242 u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency,  in hci_le_conn_update()  argument
245 	struct hci_dev *hdev = conn->hdev;  in hci_le_conn_update()
251 	params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);  in hci_le_conn_update()
262 	cp.handle		= cpu_to_le16(conn->handle);  in hci_le_conn_update()
278 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand,  in hci_le_start_enc()  argument
281 	struct hci_dev *hdev = conn->hdev;  in hci_le_start_enc()
284 	BT_DBG("hcon %p", conn);  in hci_le_start_enc()
288 	cp.handle = cpu_to_le16(conn->handle);  in hci_le_start_enc()
297 void hci_sco_setup(struct hci_conn *conn, __u8 status)  in hci_sco_setup()  argument
299 	struct hci_conn *sco = conn->link;  in hci_sco_setup()
304 	BT_DBG("hcon %p", conn);  in hci_sco_setup()
307 		if (lmp_esco_capable(conn->hdev))  in hci_sco_setup()
308 			hci_setup_sync(sco, conn->handle);  in hci_sco_setup()
310 			hci_add_sco(sco, conn->handle);  in hci_sco_setup()
319 	struct hci_conn *conn = container_of(work, struct hci_conn,  in hci_conn_timeout()  local
321 	int refcnt = atomic_read(&conn->refcnt);  in hci_conn_timeout()
323 	BT_DBG("hcon %p state %s", conn, state_to_string(conn->state));  in hci_conn_timeout()
337 	switch (conn->state) {  in hci_conn_timeout()
340 		if (conn->out) {  in hci_conn_timeout()
341 			if (conn->type == ACL_LINK)  in hci_conn_timeout()
342 				hci_acl_create_connection_cancel(conn);  in hci_conn_timeout()
343 			else if (conn->type == LE_LINK)  in hci_conn_timeout()
344 				hci_le_create_connection_cancel(conn);  in hci_conn_timeout()
345 		} else if (conn->type == SCO_LINK || conn->type == ESCO_LINK) {  in hci_conn_timeout()
346 			hci_reject_sco(conn);  in hci_conn_timeout()
351 		if (conn->type == AMP_LINK) {  in hci_conn_timeout()
352 			hci_amp_disconn(conn);  in hci_conn_timeout()
354 			__u8 reason = hci_proto_disconn_ind(conn);  in hci_conn_timeout()
355 			hci_disconnect(conn, reason);  in hci_conn_timeout()
359 		conn->state = BT_CLOSED;  in hci_conn_timeout()
367 	struct hci_conn *conn = container_of(work, struct hci_conn,  in hci_conn_idle()  local
369 	struct hci_dev *hdev = conn->hdev;  in hci_conn_idle()
371 	BT_DBG("hcon %p mode %d", conn, conn->mode);  in hci_conn_idle()
373 	if (!lmp_sniff_capable(hdev) || !lmp_sniff_capable(conn))  in hci_conn_idle()
376 	if (conn->mode != HCI_CM_ACTIVE || !(conn->link_policy & HCI_LP_SNIFF))  in hci_conn_idle()
379 	if (lmp_sniffsubr_capable(hdev) && lmp_sniffsubr_capable(conn)) {  in hci_conn_idle()
381 		cp.handle             = cpu_to_le16(conn->handle);  in hci_conn_idle()
388 	if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags)) {  in hci_conn_idle()
390 		cp.handle       = cpu_to_le16(conn->handle);  in hci_conn_idle()
401 	struct hci_conn *conn = container_of(work, struct hci_conn,  in hci_conn_auto_accept()  local
404 	hci_send_cmd(conn->hdev, HCI_OP_USER_CONFIRM_REPLY, sizeof(conn->dst),  in hci_conn_auto_accept()
405 		     &conn->dst);  in hci_conn_auto_accept()
410 	struct hci_conn *conn = container_of(work, struct hci_conn,  in le_conn_timeout()  local
412 	struct hci_dev *hdev = conn->hdev;  in le_conn_timeout()
421 	if (conn->role == HCI_ROLE_SLAVE) {  in le_conn_timeout()
425 		hci_le_conn_failed(conn, HCI_ERROR_ADVERTISING_TIMEOUT);  in le_conn_timeout()
429 	hci_le_create_connection_cancel(conn);  in le_conn_timeout()
435 	struct hci_conn *conn;  in hci_conn_add()  local
439 	conn = kzalloc(sizeof(*conn), GFP_KERNEL);  in hci_conn_add()
440 	if (!conn)  in hci_conn_add()
443 	bacpy(&conn->dst, dst);  in hci_conn_add()
444 	bacpy(&conn->src, &hdev->bdaddr);  in hci_conn_add()
445 	conn->hdev  = hdev;  in hci_conn_add()
446 	conn->type  = type;  in hci_conn_add()
447 	conn->role  = role;  in hci_conn_add()
448 	conn->mode  = HCI_CM_ACTIVE;  in hci_conn_add()
449 	conn->state = BT_OPEN;  in hci_conn_add()
450 	conn->auth_type = HCI_AT_GENERAL_BONDING;  in hci_conn_add()
451 	conn->io_capability = hdev->io_capability;  in hci_conn_add()
452 	conn->remote_auth = 0xff;  in hci_conn_add()
453 	conn->key_type = 0xff;  in hci_conn_add()
454 	conn->rssi = HCI_RSSI_INVALID;  in hci_conn_add()
455 	conn->tx_power = HCI_TX_POWER_INVALID;  in hci_conn_add()
456 	conn->max_tx_power = HCI_TX_POWER_INVALID;  in hci_conn_add()
458 	set_bit(HCI_CONN_POWER_SAVE, &conn->flags);  in hci_conn_add()
459 	conn->disc_timeout = HCI_DISCONN_TIMEOUT;  in hci_conn_add()
461 	if (conn->role == HCI_ROLE_MASTER)  in hci_conn_add()
462 		conn->out = true;  in hci_conn_add()
466 		conn->pkt_type = hdev->pkt_type & ACL_PTYPE_MASK;  in hci_conn_add()
470 		hci_copy_identity_address(hdev, &conn->src, &conn->src_type);  in hci_conn_add()
474 			conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |  in hci_conn_add()
477 			conn->pkt_type = hdev->pkt_type & SCO_PTYPE_MASK;  in hci_conn_add()
480 		conn->pkt_type = hdev->esco_type & ~EDR_ESCO_MASK;  in hci_conn_add()
484 	skb_queue_head_init(&conn->data_q);  in hci_conn_add()
486 	INIT_LIST_HEAD(&conn->chan_list);  in hci_conn_add()
488 	INIT_DELAYED_WORK(&conn->disc_work, hci_conn_timeout);  in hci_conn_add()
489 	INIT_DELAYED_WORK(&conn->auto_accept_work, hci_conn_auto_accept);  in hci_conn_add()
490 	INIT_DELAYED_WORK(&conn->idle_work, hci_conn_idle);  in hci_conn_add()
491 	INIT_DELAYED_WORK(&conn->le_conn_timeout, le_conn_timeout);  in hci_conn_add()
493 	atomic_set(&conn->refcnt, 0);  in hci_conn_add()
497 	hci_conn_hash_add(hdev, conn);  in hci_conn_add()
501 	hci_conn_init_sysfs(conn);  in hci_conn_add()
503 	return conn;  in hci_conn_add()
506 int hci_conn_del(struct hci_conn *conn)  in hci_conn_del()  argument
508 	struct hci_dev *hdev = conn->hdev;  in hci_conn_del()
510 	BT_DBG("%s hcon %p handle %d", hdev->name, conn, conn->handle);  in hci_conn_del()
512 	cancel_delayed_work_sync(&conn->disc_work);  in hci_conn_del()
513 	cancel_delayed_work_sync(&conn->auto_accept_work);  in hci_conn_del()
514 	cancel_delayed_work_sync(&conn->idle_work);  in hci_conn_del()
516 	if (conn->type == ACL_LINK) {  in hci_conn_del()
517 		struct hci_conn *sco = conn->link;  in hci_conn_del()
522 		hdev->acl_cnt += conn->sent;  in hci_conn_del()
523 	} else if (conn->type == LE_LINK) {  in hci_conn_del()
524 		cancel_delayed_work(&conn->le_conn_timeout);  in hci_conn_del()
527 			hdev->le_cnt += conn->sent;  in hci_conn_del()
529 			hdev->acl_cnt += conn->sent;  in hci_conn_del()
531 		struct hci_conn *acl = conn->link;  in hci_conn_del()
538 	hci_chan_list_flush(conn);  in hci_conn_del()
540 	if (conn->amp_mgr)  in hci_conn_del()
541 		amp_mgr_put(conn->amp_mgr);  in hci_conn_del()
543 	hci_conn_hash_del(hdev, conn);  in hci_conn_del()
547 	skb_queue_purge(&conn->data_q);  in hci_conn_del()
549 	hci_conn_del_sysfs(conn);  in hci_conn_del()
551 	debugfs_remove_recursive(conn->debugfs);  in hci_conn_del()
553 	if (test_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags))  in hci_conn_del()
554 		hci_conn_params_del(conn->hdev, &conn->dst, conn->dst_type);  in hci_conn_del()
558 	hci_conn_put(conn);  in hci_conn_del()
603 void hci_le_conn_failed(struct hci_conn *conn, u8 status)  in hci_le_conn_failed()  argument
605 	struct hci_dev *hdev = conn->hdev;  in hci_le_conn_failed()
608 	params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst,  in hci_le_conn_failed()
609 					   conn->dst_type);  in hci_le_conn_failed()
610 	if (params && params->conn) {  in hci_le_conn_failed()
611 		hci_conn_drop(params->conn);  in hci_le_conn_failed()
612 		hci_conn_put(params->conn);  in hci_le_conn_failed()
613 		params->conn = NULL;  in hci_le_conn_failed()
616 	conn->state = BT_CLOSED;  in hci_le_conn_failed()
618 	mgmt_connect_failed(hdev, &conn->dst, conn->type, conn->dst_type,  in hci_le_conn_failed()
621 	hci_connect_cfm(conn, status);  in hci_le_conn_failed()
623 	hci_conn_del(conn);  in hci_le_conn_failed()
638 	struct hci_conn *conn;  in create_le_conn_complete()  local
648 	conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);  in create_le_conn_complete()
649 	if (!conn)  in create_le_conn_complete()
652 	hci_le_conn_failed(conn, status);  in create_le_conn_complete()
659 				       struct hci_conn *conn)  in hci_req_add_le_create_conn()  argument
662 	struct hci_dev *hdev = conn->hdev;  in hci_req_add_le_create_conn()
675 	bacpy(&cp.peer_addr, &conn->dst);  in hci_req_add_le_create_conn()
676 	cp.peer_addr_type = conn->dst_type;  in hci_req_add_le_create_conn()
678 	cp.conn_interval_min = cpu_to_le16(conn->le_conn_min_interval);  in hci_req_add_le_create_conn()
679 	cp.conn_interval_max = cpu_to_le16(conn->le_conn_max_interval);  in hci_req_add_le_create_conn()
680 	cp.conn_latency = cpu_to_le16(conn->le_conn_latency);  in hci_req_add_le_create_conn()
681 	cp.supervision_timeout = cpu_to_le16(conn->le_supv_timeout);  in hci_req_add_le_create_conn()
687 	conn->state = BT_CONNECT;  in hci_req_add_le_create_conn()
691 					 struct hci_conn *conn)  in hci_req_directed_advertising()  argument
714 	cp.direct_addr_type = conn->dst_type;  in hci_req_directed_advertising()
715 	bacpy(&cp.direct_addr, &conn->dst);  in hci_req_directed_advertising()
723 	conn->state = BT_CONNECT;  in hci_req_directed_advertising()
731 	struct hci_conn *conn;  in hci_connect_le()  local
753 	conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, dst);  in hci_connect_le()
754 	if (conn) {  in hci_connect_le()
755 		conn->pending_sec_level = sec_level;  in hci_connect_le()
762 	conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);  in hci_connect_le()
763 	if (conn)  in hci_connect_le()
785 	conn = hci_conn_add(hdev, LE_LINK, dst, role);  in hci_connect_le()
786 	if (!conn)  in hci_connect_le()
789 	conn->dst_type = dst_type;  in hci_connect_le()
790 	conn->sec_level = BT_SECURITY_LOW;  in hci_connect_le()
791 	conn->pending_sec_level = sec_level;  in hci_connect_le()
792 	conn->conn_timeout = conn_timeout;  in hci_connect_le()
809 	if (conn->role == HCI_ROLE_SLAVE) {  in hci_connect_le()
816 			hci_conn_del(conn);  in hci_connect_le()
820 		hci_req_directed_advertising(&req, conn);  in hci_connect_le()
824 	params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);  in hci_connect_le()
826 		conn->le_conn_min_interval = params->conn_min_interval;  in hci_connect_le()
827 		conn->le_conn_max_interval = params->conn_max_interval;  in hci_connect_le()
828 		conn->le_conn_latency = params->conn_latency;  in hci_connect_le()
829 		conn->le_supv_timeout = params->supervision_timeout;  in hci_connect_le()
831 		conn->le_conn_min_interval = hdev->le_conn_min_interval;  in hci_connect_le()
832 		conn->le_conn_max_interval = hdev->le_conn_max_interval;  in hci_connect_le()
833 		conn->le_conn_latency = hdev->le_conn_latency;  in hci_connect_le()
834 		conn->le_supv_timeout = hdev->le_supv_timeout;  in hci_connect_le()
848 	hci_req_add_le_create_conn(&req, conn);  in hci_connect_le()
853 		hci_conn_del(conn);  in hci_connect_le()
858 	hci_conn_hold(conn);  in hci_connect_le()
859 	return conn;  in hci_connect_le()
937 int hci_conn_check_link_mode(struct hci_conn *conn)  in hci_conn_check_link_mode()  argument
939 	BT_DBG("hcon %p", conn);  in hci_conn_check_link_mode()
945 	if (hci_dev_test_flag(conn->hdev, HCI_SC_ONLY)) {  in hci_conn_check_link_mode()
946 		if (!hci_conn_sc_enabled(conn) ||  in hci_conn_check_link_mode()
947 		    !test_bit(HCI_CONN_AES_CCM, &conn->flags) ||  in hci_conn_check_link_mode()
948 		    conn->key_type != HCI_LK_AUTH_COMBINATION_P256)  in hci_conn_check_link_mode()
952 	if (hci_conn_ssp_enabled(conn) &&  in hci_conn_check_link_mode()
953 	    !test_bit(HCI_CONN_ENCRYPT, &conn->flags))  in hci_conn_check_link_mode()
960 static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)  in hci_conn_auth()  argument
962 	BT_DBG("hcon %p", conn);  in hci_conn_auth()
964 	if (conn->pending_sec_level > sec_level)  in hci_conn_auth()
965 		sec_level = conn->pending_sec_level;  in hci_conn_auth()
967 	if (sec_level > conn->sec_level)  in hci_conn_auth()
968 		conn->pending_sec_level = sec_level;  in hci_conn_auth()
969 	else if (test_bit(HCI_CONN_AUTH, &conn->flags))  in hci_conn_auth()
973 	auth_type |= (conn->auth_type & 0x01);  in hci_conn_auth()
975 	conn->auth_type = auth_type;  in hci_conn_auth()
977 	if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {  in hci_conn_auth()
980 		cp.handle = cpu_to_le16(conn->handle);  in hci_conn_auth()
981 		hci_send_cmd(conn->hdev, HCI_OP_AUTH_REQUESTED,  in hci_conn_auth()
987 		if (test_bit(HCI_CONN_ENCRYPT, &conn->flags))  in hci_conn_auth()
988 			set_bit(HCI_CONN_REAUTH_PEND, &conn->flags);  in hci_conn_auth()
990 			set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);  in hci_conn_auth()
997 static void hci_conn_encrypt(struct hci_conn *conn)  in hci_conn_encrypt()  argument
999 	BT_DBG("hcon %p", conn);  in hci_conn_encrypt()
1001 	if (!test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {  in hci_conn_encrypt()
1003 		cp.handle  = cpu_to_le16(conn->handle);  in hci_conn_encrypt()
1005 		hci_send_cmd(conn->hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),  in hci_conn_encrypt()
1011 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type,  in hci_conn_security()  argument
1014 	BT_DBG("hcon %p", conn);  in hci_conn_security()
1016 	if (conn->type == LE_LINK)  in hci_conn_security()
1017 		return smp_conn_security(conn, sec_level);  in hci_conn_security()
1025 	if (sec_level == BT_SECURITY_LOW && !hci_conn_ssp_enabled(conn))  in hci_conn_security()
1029 	if (!test_bit(HCI_CONN_AUTH, &conn->flags))  in hci_conn_security()
1034 	if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256 &&  in hci_conn_security()
1040 	if ((conn->key_type == HCI_LK_AUTH_COMBINATION_P192 ||  in hci_conn_security()
1041 	     conn->key_type == HCI_LK_AUTH_COMBINATION_P256) &&  in hci_conn_security()
1047 	if ((conn->key_type == HCI_LK_UNAUTH_COMBINATION_P192 ||  in hci_conn_security()
1048 	     conn->key_type == HCI_LK_UNAUTH_COMBINATION_P256) &&  in hci_conn_security()
1056 	if (conn->key_type == HCI_LK_COMBINATION &&  in hci_conn_security()
1058 	     conn->pin_length == 16))  in hci_conn_security()
1062 	if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))  in hci_conn_security()
1066 		set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);  in hci_conn_security()
1068 	if (!hci_conn_auth(conn, sec_level, auth_type))  in hci_conn_security()
1072 	if (test_bit(HCI_CONN_ENCRYPT, &conn->flags))  in hci_conn_security()
1075 	hci_conn_encrypt(conn);  in hci_conn_security()
1081 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level)  in hci_conn_check_secure()  argument
1083 	BT_DBG("hcon %p", conn);  in hci_conn_check_secure()
1090 	if (conn->sec_level == BT_SECURITY_HIGH ||  in hci_conn_check_secure()
1091 	    conn->sec_level == BT_SECURITY_FIPS)  in hci_conn_check_secure()
1100 int hci_conn_switch_role(struct hci_conn *conn, __u8 role)  in hci_conn_switch_role()  argument
1102 	BT_DBG("hcon %p", conn);  in hci_conn_switch_role()
1104 	if (role == conn->role)  in hci_conn_switch_role()
1107 	if (!test_and_set_bit(HCI_CONN_RSWITCH_PEND, &conn->flags)) {  in hci_conn_switch_role()
1109 		bacpy(&cp.bdaddr, &conn->dst);  in hci_conn_switch_role()
1111 		hci_send_cmd(conn->hdev, HCI_OP_SWITCH_ROLE, sizeof(cp), &cp);  in hci_conn_switch_role()
1119 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active)  in hci_conn_enter_active_mode()  argument
1121 	struct hci_dev *hdev = conn->hdev;  in hci_conn_enter_active_mode()
1123 	BT_DBG("hcon %p mode %d", conn, conn->mode);  in hci_conn_enter_active_mode()
1125 	if (conn->mode != HCI_CM_SNIFF)  in hci_conn_enter_active_mode()
1128 	if (!test_bit(HCI_CONN_POWER_SAVE, &conn->flags) && !force_active)  in hci_conn_enter_active_mode()
1131 	if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags)) {  in hci_conn_enter_active_mode()
1133 		cp.handle = cpu_to_le16(conn->handle);  in hci_conn_enter_active_mode()
1139 		queue_delayed_work(hdev->workqueue, &conn->idle_work,  in hci_conn_enter_active_mode()
1162 	struct hci_conn *conn;  in hci_conn_check_pending()  local
1168 	conn = hci_conn_hash_lookup_state(hdev, ACL_LINK, BT_CONNECT2);  in hci_conn_check_pending()
1169 	if (conn)  in hci_conn_check_pending()
1170 		hci_acl_create_connection(conn);  in hci_conn_check_pending()
1175 static u32 get_link_mode(struct hci_conn *conn)  in get_link_mode()  argument
1179 	if (conn->role == HCI_ROLE_MASTER)  in get_link_mode()
1182 	if (test_bit(HCI_CONN_ENCRYPT, &conn->flags))  in get_link_mode()
1185 	if (test_bit(HCI_CONN_AUTH, &conn->flags))  in get_link_mode()
1188 	if (test_bit(HCI_CONN_SECURE, &conn->flags))  in get_link_mode()
1191 	if (test_bit(HCI_CONN_FIPS, &conn->flags))  in get_link_mode()
1254 	struct hci_conn *conn;  in hci_get_conn_info()  local
1261 	conn = hci_conn_hash_lookup_ba(hdev, req.type, &req.bdaddr);  in hci_get_conn_info()
1262 	if (conn) {  in hci_get_conn_info()
1263 		bacpy(&ci.bdaddr, &conn->dst);  in hci_get_conn_info()
1264 		ci.handle = conn->handle;  in hci_get_conn_info()
1265 		ci.type  = conn->type;  in hci_get_conn_info()
1266 		ci.out   = conn->out;  in hci_get_conn_info()
1267 		ci.state = conn->state;  in hci_get_conn_info()
1268 		ci.link_mode = get_link_mode(conn);  in hci_get_conn_info()
1272 	if (!conn)  in hci_get_conn_info()
1281 	struct hci_conn *conn;  in hci_get_auth_info()  local
1287 	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &req.bdaddr);  in hci_get_auth_info()
1288 	if (conn)  in hci_get_auth_info()
1289 		req.type = conn->auth_type;  in hci_get_auth_info()
1292 	if (!conn)  in hci_get_auth_info()
1298 struct hci_chan *hci_chan_create(struct hci_conn *conn)  in hci_chan_create()  argument
1300 	struct hci_dev *hdev = conn->hdev;  in hci_chan_create()
1303 	BT_DBG("%s hcon %p", hdev->name, conn);  in hci_chan_create()
1305 	if (test_bit(HCI_CONN_DROP, &conn->flags)) {  in hci_chan_create()
1314 	chan->conn = hci_conn_get(conn);  in hci_chan_create()
1318 	list_add_rcu(&chan->list, &conn->chan_list);  in hci_chan_create()
1325 	struct hci_conn *conn = chan->conn;  in hci_chan_del()  local
1326 	struct hci_dev *hdev = conn->hdev;  in hci_chan_del()
1328 	BT_DBG("%s hcon %p chan %p", hdev->name, conn, chan);  in hci_chan_del()
1335 	set_bit(HCI_CONN_DROP, &conn->flags);  in hci_chan_del()
1337 	hci_conn_put(conn);  in hci_chan_del()
1343 void hci_chan_list_flush(struct hci_conn *conn)  in hci_chan_list_flush()  argument
1347 	BT_DBG("hcon %p", conn);  in hci_chan_list_flush()
1349 	list_for_each_entry_safe(chan, n, &conn->chan_list, list)  in hci_chan_list_flush()