78 static inline u8 bdaddr_src_type(struct hci_conn *hcon)  in bdaddr_src_type()  argument
80 	return bdaddr_type(hcon->type, hcon->src_type);  in bdaddr_src_type()
83 static inline u8 bdaddr_dst_type(struct hci_conn *hcon)  in bdaddr_dst_type()  argument
85 	return bdaddr_type(hcon->type, hcon->dst_type);  in bdaddr_dst_type()
246 	if (conn->hcon->type == LE_LINK)  in l2cap_alloc_cid()
600 		if (conn->hcon->type == ACL_LINK)  in __l2cap_chan_add()
634 		hci_conn_hold(conn->hcon);  in __l2cap_chan_add()
672 			hci_conn_drop(conn->hcon);  in l2cap_chan_del()
743 	struct hci_conn *hcon = conn->hcon;  in l2cap_conn_update_id_addr()  local
750 		bacpy(&chan->dst, &hcon->dst);  in l2cap_conn_update_id_addr()
751 		chan->dst_type = bdaddr_dst_type(hcon);  in l2cap_conn_update_id_addr()
831 			if (conn->hcon->type == ACL_LINK)  in l2cap_chan_close()
833 			else if (conn->hcon->type == LE_LINK) {  in l2cap_chan_close()
918 	if (conn->hcon->type == LE_LINK)  in l2cap_chan_check_security()
919 		return smp_conn_security(conn->hcon, chan->sec_level);  in l2cap_chan_check_security()
923 	return hci_conn_security(conn->hcon, chan->sec_level, auth_type,  in l2cap_chan_check_security()
933 	if (conn->hcon->type == LE_LINK)  in l2cap_get_ident()
968 	if (hci_conn_valid(conn->hcon->hdev, conn->hcon))  in l2cap_send_acl()
987 	if (lmp_no_flush_capable(conn->hcon->hdev) ||  in l2cap_send_cmd()
988 	    conn->hcon->type == LE_LINK)  in l2cap_send_cmd()
1001 	struct hci_conn *hcon = chan->conn->hcon;  in l2cap_do_send()  local
1011 	if (hcon->type == LE_LINK ||  in l2cap_do_send()
1013 	     lmp_no_flush_capable(hcon->hdev)))  in l2cap_do_send()
1387 	if (!smp_conn_security(conn->hcon, chan->sec_level))  in l2cap_le_start()
1405 	if (chan->conn->hcon->type == LE_LINK) {  in l2cap_start_connection()
1430 static bool l2cap_check_enc_key_size(struct hci_conn *hcon,  in l2cap_check_enc_key_size()  argument
1442 	int min_key_size = hcon->hdev->min_enc_key_size;  in l2cap_check_enc_key_size()
1448 	return (!test_bit(HCI_CONN_ENCRYPT, &hcon->flags) ||  in l2cap_check_enc_key_size()
1449 		hcon->enc_key_size >= min_key_size);  in l2cap_check_enc_key_size()
1456 	if (conn->hcon->type == LE_LINK) {  in l2cap_do_start()
1473 	if (l2cap_check_enc_key_size(conn->hcon, chan))  in l2cap_do_start()
1548 			if (l2cap_check_enc_key_size(conn->hcon, chan))  in l2cap_conn_start()
1596 	struct hci_conn *hcon = conn->hcon;  in l2cap_le_conn_ready()  local
1597 	struct hci_dev *hdev = hcon->hdev;  in l2cap_le_conn_ready()
1604 	if (hcon->out)  in l2cap_le_conn_ready()
1605 		smp_conn_security(hcon, hcon->pending_sec_level);  in l2cap_le_conn_ready()
1612 	if (hcon->role == HCI_ROLE_SLAVE &&  in l2cap_le_conn_ready()
1613 	    (hcon->le_conn_interval < hcon->le_conn_min_interval ||  in l2cap_le_conn_ready()
1614 	     hcon->le_conn_interval > hcon->le_conn_max_interval)) {  in l2cap_le_conn_ready()
1617 		req.min = cpu_to_le16(hcon->le_conn_min_interval);  in l2cap_le_conn_ready()
1618 		req.max = cpu_to_le16(hcon->le_conn_max_interval);  in l2cap_le_conn_ready()
1619 		req.latency = cpu_to_le16(hcon->le_conn_latency);  in l2cap_le_conn_ready()
1620 		req.to_multiplier = cpu_to_le16(hcon->le_supv_timeout);  in l2cap_le_conn_ready()
1630 	struct hci_conn *hcon = conn->hcon;  in l2cap_conn_ready()  local
1634 	if (hcon->type == ACL_LINK)  in l2cap_conn_ready()
1643 		if (hcon->type == LE_LINK) {  in l2cap_conn_ready()
1657 	if (hcon->type == LE_LINK)  in l2cap_conn_ready()
1660 	queue_work(hcon->hdev->workqueue, &conn->pending_rx_work);  in l2cap_conn_ready()
1764 static void l2cap_conn_del(struct hci_conn *hcon, int err)  in l2cap_conn_del()  argument
1766 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_conn_del()
1772 	BT_DBG("hcon %p conn %p, err %d", hcon, conn, err);  in l2cap_conn_del()
1795 	hcon->disc_timeout = 0;  in l2cap_conn_del()
1813 	hcon->l2cap_data = NULL;  in l2cap_conn_del()
1822 	hci_conn_put(conn->hcon);  in l2cap_conn_free()
3011 	if (conn->hcon->type == LE_LINK)  in l2cap_build_cmd()
3254 	struct hci_conn *conn = chan->conn->hcon;  in l2cap_mtu_auto()
4022 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_connect()
4023 					 &conn->hcon->dst, ACL_LINK);  in l2cap_connect()
4033 	    (!hci_conn_check_link_mode(conn->hcon) ||  in l2cap_connect()
4034 	    !l2cap_check_enc_key_size(conn->hcon, pchan))) {  in l2cap_connect()
4063 	conn->hcon->disc_timeout = HCI_DISCONN_TIMEOUT;  in l2cap_connect()
4065 	bacpy(&chan->src, &conn->hcon->src);  in l2cap_connect()
4066 	bacpy(&chan->dst, &conn->hcon->dst);  in l2cap_connect()
4067 	chan->src_type = bdaddr_src_type(conn->hcon);  in l2cap_connect()
4068 	chan->dst_type = bdaddr_dst_type(conn->hcon);  in l2cap_connect()
4677 	struct hci_conn *hcon = conn->hcon;  in l2cap_conn_param_update_req()  local
4683 	if (hcon->role != HCI_ROLE_MASTER)  in l2cap_conn_param_update_req()
4712 		store_hint = hci_le_conn_update(hcon, min, max, latency,  in l2cap_conn_param_update_req()
4714 		mgmt_new_conn_param(hcon->hdev, &hcon->dst, hcon->dst_type,  in l2cap_conn_param_update_req()
4728 	struct hci_conn *hcon = conn->hcon;  in l2cap_le_connect_rsp()  local
4778 		if (hcon->sec_level > BT_SECURITY_MEDIUM) {  in l2cap_le_connect_rsp()
4783 		sec_level = hcon->sec_level + 1;  in l2cap_le_connect_rsp()
4790 		smp_conn_security(hcon, chan->sec_level);  in l2cap_le_connect_rsp()
4925 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_le_connect_req()
4926 					 &conn->hcon->dst, LE_LINK);  in l2cap_le_connect_req()
4935 	if (!smp_sufficient_security(conn->hcon, pchan->sec_level,  in l2cap_le_connect_req()
4944 	if (!l2cap_check_enc_key_size(conn->hcon, pchan)) {  in l2cap_le_connect_req()
4970 	bacpy(&chan->src, &conn->hcon->src);  in l2cap_le_connect_req()
4971 	bacpy(&chan->dst, &conn->hcon->dst);  in l2cap_le_connect_req()
4972 	chan->src_type = bdaddr_src_type(conn->hcon);  in l2cap_le_connect_req()
4973 	chan->dst_type = bdaddr_dst_type(conn->hcon);  in l2cap_le_connect_req()
5143 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_ecred_conn_req()
5144 					 &conn->hcon->dst, LE_LINK);  in l2cap_ecred_conn_req()
5152 	if (!smp_sufficient_security(conn->hcon, pchan->sec_level,  in l2cap_ecred_conn_req()
5194 		bacpy(&chan->src, &conn->hcon->src);  in l2cap_ecred_conn_req()
5195 		bacpy(&chan->dst, &conn->hcon->dst);  in l2cap_ecred_conn_req()
5196 		chan->src_type = bdaddr_src_type(conn->hcon);  in l2cap_ecred_conn_req()
5197 		chan->dst_type = bdaddr_dst_type(conn->hcon);  in l2cap_ecred_conn_req()
5251 	struct hci_conn *hcon = conn->hcon;  in l2cap_ecred_conn_rsp()  local
5315 			if (hcon->sec_level > BT_SECURITY_MEDIUM) {  in l2cap_ecred_conn_rsp()
5320 			sec_level = hcon->sec_level + 1;  in l2cap_ecred_conn_rsp()
5327 			smp_conn_security(hcon, chan->sec_level);  in l2cap_ecred_conn_rsp()
5577 	struct hci_conn *hcon = conn->hcon;  in l2cap_le_sig_channel()  local
5582 	if (hcon->type != LE_LINK)  in l2cap_le_sig_channel()
5626 	struct hci_conn *hcon = conn->hcon;  in l2cap_sig_channel()  local
5632 	if (hcon->type != ACL_LINK)  in l2cap_sig_channel()
6362 	chan->conn->mtu = chan->conn->hcon->mtu;  in l2cap_finish_move()
6429 	chan->conn->mtu = chan->conn->hcon->mtu;  in l2cap_rx_state_wait_f()
6875 	struct hci_conn *hcon = conn->hcon;  in l2cap_conless_channel()  local
6878 	if (hcon->type != ACL_LINK)  in l2cap_conless_channel()
6881 	chan = l2cap_global_chan_by_psm(0, psm, &hcon->src, &hcon->dst,  in l2cap_conless_channel()
6897 	bacpy(&bt_cb(skb)->l2cap.bdaddr, &hcon->dst);  in l2cap_conless_channel()
6916 	struct hci_conn *hcon = conn->hcon;  in l2cap_recv_frame()  local
6920 	if (hcon->state != BT_CONNECTED) {  in l2cap_recv_frame()
6938 	if (hcon->type == LE_LINK &&  in l2cap_recv_frame()
6939 	    hci_bdaddr_list_lookup(&hcon->hdev->reject_list, &hcon->dst,  in l2cap_recv_frame()
6940 				   bdaddr_dst_type(hcon))) {  in l2cap_recv_frame()
6984 static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon)  in l2cap_conn_add()  argument
6986 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_conn_add()
6992 	hchan = hci_chan_create(hcon);  in l2cap_conn_add()
7003 	hcon->l2cap_data = conn;  in l2cap_conn_add()
7004 	conn->hcon = hci_conn_get(hcon);  in l2cap_conn_add()
7007 	BT_DBG("hcon %p conn %p hchan %p", hcon, conn, hchan);  in l2cap_conn_add()
7009 	conn->mtu = hcon->mtu;  in l2cap_conn_add()
7014 	if (hci_dev_test_flag(hcon->hdev, HCI_LE_ENABLED) &&  in l2cap_conn_add()
7015 	    (bredr_sc_enabled(hcon->hdev) ||  in l2cap_conn_add()
7016 	     hci_dev_test_flag(hcon->hdev, HCI_FORCE_BREDR_SMP)))  in l2cap_conn_add()
7079 	struct hci_conn *hcon;  in l2cap_chan_connect()  local
7168 			hcon = hci_connect_le(hdev, dst, dst_type, false,  in l2cap_chan_connect()
7172 			hcon = hci_connect_le_scan(hdev, dst, dst_type,  in l2cap_chan_connect()
7178 		hcon = hci_connect_acl(hdev, dst, chan->sec_level, auth_type,  in l2cap_chan_connect()
7182 	if (IS_ERR(hcon)) {  in l2cap_chan_connect()
7183 		err = PTR_ERR(hcon);  in l2cap_chan_connect()
7187 	conn = l2cap_conn_add(hcon);  in l2cap_chan_connect()
7189 		hci_conn_drop(hcon);  in l2cap_chan_connect()
7205 			hci_conn_drop(hcon);  in l2cap_chan_connect()
7215 		hci_conn_drop(hcon);  in l2cap_chan_connect()
7221 	bacpy(&chan->src, &hcon->src);  in l2cap_chan_connect()
7222 	chan->src_type = bdaddr_src_type(hcon);  in l2cap_chan_connect()
7227 	hci_conn_drop(hcon);  in l2cap_chan_connect()
7239 	if (hcon->state == BT_CONNECTED) {  in l2cap_chan_connect()
7325 						  struct hci_conn *hcon)  in l2cap_global_fixed_chan()  argument
7327 	u8 src_type = bdaddr_src_type(hcon);  in l2cap_global_fixed_chan()
7341 		if (bacmp(&c->src, &hcon->src) && bacmp(&c->src, BDADDR_ANY))  in l2cap_global_fixed_chan()
7356 static void l2cap_connect_cfm(struct hci_conn *hcon, u8 status)  in l2cap_connect_cfm()  argument
7358 	struct hci_dev *hdev = hcon->hdev;  in l2cap_connect_cfm()
7363 	if (hcon->type != ACL_LINK && hcon->type != LE_LINK)  in l2cap_connect_cfm()
7366 	BT_DBG("hcon %p bdaddr %pMR status %d", hcon, &hcon->dst, status);  in l2cap_connect_cfm()
7369 		l2cap_conn_del(hcon, bt_to_errno(status));  in l2cap_connect_cfm()
7373 	conn = l2cap_conn_add(hcon);  in l2cap_connect_cfm()
7377 	dst_type = bdaddr_dst_type(hcon);  in l2cap_connect_cfm()
7380 	if (hci_bdaddr_list_lookup(&hdev->reject_list, &hcon->dst, dst_type))  in l2cap_connect_cfm()
7388 	pchan = l2cap_global_fixed_chan(NULL, hcon);  in l2cap_connect_cfm()
7399 			bacpy(&chan->src, &hcon->src);  in l2cap_connect_cfm()
7400 			bacpy(&chan->dst, &hcon->dst);  in l2cap_connect_cfm()
7401 			chan->src_type = bdaddr_src_type(hcon);  in l2cap_connect_cfm()
7409 		next = l2cap_global_fixed_chan(pchan, hcon);  in l2cap_connect_cfm()
7417 int l2cap_disconn_ind(struct hci_conn *hcon)  in l2cap_disconn_ind()  argument
7419 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_disconn_ind()
7421 	BT_DBG("hcon %p", hcon);  in l2cap_disconn_ind()
7428 static void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason)  in l2cap_disconn_cfm()  argument
7430 	if (hcon->type != ACL_LINK && hcon->type != LE_LINK)  in l2cap_disconn_cfm()
7433 	BT_DBG("hcon %p reason %d", hcon, reason);  in l2cap_disconn_cfm()
7435 	l2cap_conn_del(hcon, bt_to_errno(reason));  in l2cap_disconn_cfm()
7455 static void l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)  in l2cap_security_cfm()  argument
7457 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_security_cfm()
7474 			chan->sec_level = hcon->sec_level;  in l2cap_security_cfm()
7490 			if (!status && l2cap_check_enc_key_size(hcon, chan))  in l2cap_security_cfm()
7500 			if (!status && l2cap_check_enc_key_size(hcon, chan)) {  in l2cap_security_cfm()
7625 	struct hci_conn *hcon;  in l2cap_recv_acldata()  local
7632 	hcon = hci_conn_hash_lookup_handle(hdev, handle);  in l2cap_recv_acldata()
7633 	if (!hcon) {  in l2cap_recv_acldata()
7639 	hci_conn_enter_active_mode(hcon, BT_POWER_FORCE_ACTIVE_OFF);  in l2cap_recv_acldata()
7641 	conn = hcon->l2cap_data;  in l2cap_recv_acldata()
7644 		conn = l2cap_conn_add(hcon);  in l2cap_recv_acldata()
7647 	hcon = NULL;  in l2cap_recv_acldata()