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()
599 		if (conn->hcon->type == ACL_LINK)  in __l2cap_chan_add()
633 		hci_conn_hold(conn->hcon);  in __l2cap_chan_add()
671 			hci_conn_drop(conn->hcon);  in l2cap_chan_del()
742 	struct hci_conn *hcon = conn->hcon;  in l2cap_conn_update_id_addr()  local
749 		bacpy(&chan->dst, &hcon->dst);  in l2cap_conn_update_id_addr()
750 		chan->dst_type = bdaddr_dst_type(hcon);  in l2cap_conn_update_id_addr()
830 			if (conn->hcon->type == ACL_LINK)  in l2cap_chan_close()
832 			else if (conn->hcon->type == LE_LINK) {  in l2cap_chan_close()
917 	if (conn->hcon->type == LE_LINK)  in l2cap_chan_check_security()
918 		return smp_conn_security(conn->hcon, chan->sec_level);  in l2cap_chan_check_security()
922 	return hci_conn_security(conn->hcon, chan->sec_level, auth_type,  in l2cap_chan_check_security()
952 	if (hci_conn_valid(conn->hcon->hdev, conn->hcon))  in l2cap_send_acl()
971 	if (lmp_no_flush_capable(conn->hcon->hdev) ||  in l2cap_send_cmd()
972 	    conn->hcon->type == LE_LINK)  in l2cap_send_cmd()
985 	struct hci_conn *hcon = chan->conn->hcon;  in l2cap_do_send()  local
995 	if (hcon->type == LE_LINK ||  in l2cap_do_send()
997 	     lmp_no_flush_capable(hcon->hdev)))  in l2cap_do_send()
1371 	if (!smp_conn_security(conn->hcon, chan->sec_level))  in l2cap_le_start()
1389 	if (chan->conn->hcon->type == LE_LINK) {  in l2cap_start_connection()
1414 static bool l2cap_check_enc_key_size(struct hci_conn *hcon,  in l2cap_check_enc_key_size()  argument
1426 	int min_key_size = hcon->hdev->min_enc_key_size;  in l2cap_check_enc_key_size()
1432 	return (!test_bit(HCI_CONN_ENCRYPT, &hcon->flags) ||  in l2cap_check_enc_key_size()
1433 		hcon->enc_key_size >= min_key_size);  in l2cap_check_enc_key_size()
1440 	if (conn->hcon->type == LE_LINK) {  in l2cap_do_start()
1457 	if (l2cap_check_enc_key_size(conn->hcon, chan))  in l2cap_do_start()
1532 			if (l2cap_check_enc_key_size(conn->hcon, chan))  in l2cap_conn_start()
1580 	struct hci_conn *hcon = conn->hcon;  in l2cap_le_conn_ready()  local
1581 	struct hci_dev *hdev = hcon->hdev;  in l2cap_le_conn_ready()
1588 	if (hcon->out)  in l2cap_le_conn_ready()
1589 		smp_conn_security(hcon, hcon->pending_sec_level);  in l2cap_le_conn_ready()
1596 	if (hcon->role == HCI_ROLE_SLAVE &&  in l2cap_le_conn_ready()
1597 	    (hcon->le_conn_interval < hcon->le_conn_min_interval ||  in l2cap_le_conn_ready()
1598 	     hcon->le_conn_interval > hcon->le_conn_max_interval)) {  in l2cap_le_conn_ready()
1601 		req.min = cpu_to_le16(hcon->le_conn_min_interval);  in l2cap_le_conn_ready()
1602 		req.max = cpu_to_le16(hcon->le_conn_max_interval);  in l2cap_le_conn_ready()
1603 		req.latency = cpu_to_le16(hcon->le_conn_latency);  in l2cap_le_conn_ready()
1604 		req.to_multiplier = cpu_to_le16(hcon->le_supv_timeout);  in l2cap_le_conn_ready()
1614 	struct hci_conn *hcon = conn->hcon;  in l2cap_conn_ready()  local
1618 	if (hcon->type == ACL_LINK)  in l2cap_conn_ready()
1627 		if (hcon->type == LE_LINK) {  in l2cap_conn_ready()
1641 	if (hcon->type == LE_LINK)  in l2cap_conn_ready()
1644 	queue_work(hcon->hdev->workqueue, &conn->pending_rx_work);  in l2cap_conn_ready()
1688 	struct hci_dev *hdev = conn->hcon->hdev;  in l2cap_register_user()
1726 	struct hci_dev *hdev = conn->hcon->hdev;  in l2cap_unregister_user()
1752 static void l2cap_conn_del(struct hci_conn *hcon, int err)  in l2cap_conn_del()  argument
1754 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_conn_del()
1760 	BT_DBG("hcon %p conn %p, err %d", hcon, conn, err);  in l2cap_conn_del()
1780 	hcon->disc_timeout = 0;  in l2cap_conn_del()
1801 	hcon->l2cap_data = NULL;  in l2cap_conn_del()
1810 	hci_conn_put(conn->hcon);  in l2cap_conn_free()
2996 	if (conn->hcon->type == LE_LINK)  in l2cap_build_cmd()
3239 	struct hci_conn *conn = chan->conn->hcon;  in l2cap_mtu_auto()
3984 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_connect()
3985 					 &conn->hcon->dst, ACL_LINK);  in l2cap_connect()
3995 	    (!hci_conn_check_link_mode(conn->hcon) ||  in l2cap_connect()
3996 	    !l2cap_check_enc_key_size(conn->hcon, pchan))) {  in l2cap_connect()
4025 	conn->hcon->disc_timeout = HCI_DISCONN_TIMEOUT;  in l2cap_connect()
4027 	bacpy(&chan->src, &conn->hcon->src);  in l2cap_connect()
4028 	bacpy(&chan->dst, &conn->hcon->dst);  in l2cap_connect()
4029 	chan->src_type = bdaddr_src_type(conn->hcon);  in l2cap_connect()
4030 	chan->dst_type = bdaddr_dst_type(conn->hcon);  in l2cap_connect()
4635 	struct hci_conn *hcon = conn->hcon;  in l2cap_conn_param_update_req()  local
4641 	if (hcon->role != HCI_ROLE_MASTER)  in l2cap_conn_param_update_req()
4670 		store_hint = hci_le_conn_update(hcon, min, max, latency,  in l2cap_conn_param_update_req()
4672 		mgmt_new_conn_param(hcon->hdev, &hcon->dst, hcon->dst_type,  in l2cap_conn_param_update_req()
4686 	struct hci_conn *hcon = conn->hcon;  in l2cap_le_connect_rsp()  local
4736 		if (hcon->sec_level > BT_SECURITY_MEDIUM) {  in l2cap_le_connect_rsp()
4741 		sec_level = hcon->sec_level + 1;  in l2cap_le_connect_rsp()
4748 		smp_conn_security(hcon, chan->sec_level);  in l2cap_le_connect_rsp()
4861 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_le_connect_req()
4862 					 &conn->hcon->dst, LE_LINK);  in l2cap_le_connect_req()
4871 	if (!smp_sufficient_security(conn->hcon, pchan->sec_level,  in l2cap_le_connect_req()
4898 	bacpy(&chan->src, &conn->hcon->src);  in l2cap_le_connect_req()
4899 	bacpy(&chan->dst, &conn->hcon->dst);  in l2cap_le_connect_req()
4900 	chan->src_type = bdaddr_src_type(conn->hcon);  in l2cap_le_connect_req()
4901 	chan->dst_type = bdaddr_dst_type(conn->hcon);  in l2cap_le_connect_req()
5060 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_ecred_conn_req()
5061 					 &conn->hcon->dst, LE_LINK);  in l2cap_ecred_conn_req()
5069 	if (!smp_sufficient_security(conn->hcon, pchan->sec_level,  in l2cap_ecred_conn_req()
5103 		bacpy(&chan->src, &conn->hcon->src);  in l2cap_ecred_conn_req()
5104 		bacpy(&chan->dst, &conn->hcon->dst);  in l2cap_ecred_conn_req()
5105 		chan->src_type = bdaddr_src_type(conn->hcon);  in l2cap_ecred_conn_req()
5106 		chan->dst_type = bdaddr_dst_type(conn->hcon);  in l2cap_ecred_conn_req()
5160 	struct hci_conn *hcon = conn->hcon;  in l2cap_ecred_conn_rsp()  local
5224 			if (hcon->sec_level > BT_SECURITY_MEDIUM) {  in l2cap_ecred_conn_rsp()
5229 			sec_level = hcon->sec_level + 1;  in l2cap_ecred_conn_rsp()
5236 			smp_conn_security(hcon, chan->sec_level);  in l2cap_ecred_conn_rsp()
5457 	struct hci_conn *hcon = conn->hcon;  in l2cap_le_sig_channel()  local
5462 	if (hcon->type != LE_LINK)  in l2cap_le_sig_channel()
5506 	struct hci_conn *hcon = conn->hcon;  in l2cap_sig_channel()  local
5512 	if (hcon->type != ACL_LINK)  in l2cap_sig_channel()
6242 	chan->conn->mtu = chan->conn->hcon->mtu;  in l2cap_finish_move()
6309 	chan->conn->mtu = chan->conn->hcon->mtu;  in l2cap_rx_state_wait_f()
6741 	struct hci_conn *hcon = conn->hcon;  in l2cap_conless_channel()  local
6744 	if (hcon->type != ACL_LINK)  in l2cap_conless_channel()
6747 	chan = l2cap_global_chan_by_psm(0, psm, &hcon->src, &hcon->dst,  in l2cap_conless_channel()
6763 	bacpy(&bt_cb(skb)->l2cap.bdaddr, &hcon->dst);  in l2cap_conless_channel()
6782 	struct hci_conn *hcon = conn->hcon;  in l2cap_recv_frame()  local
6786 	if (hcon->state != BT_CONNECTED) {  in l2cap_recv_frame()
6804 	if (hcon->type == LE_LINK &&  in l2cap_recv_frame()
6805 	    hci_bdaddr_list_lookup(&hcon->hdev->reject_list, &hcon->dst,  in l2cap_recv_frame()
6806 				   bdaddr_dst_type(hcon))) {  in l2cap_recv_frame()
6850 static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon)  in l2cap_conn_add()  argument
6852 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_conn_add()
6858 	hchan = hci_chan_create(hcon);  in l2cap_conn_add()
6869 	hcon->l2cap_data = conn;  in l2cap_conn_add()
6870 	conn->hcon = hci_conn_get(hcon);  in l2cap_conn_add()
6873 	BT_DBG("hcon %p conn %p hchan %p", hcon, conn, hchan);  in l2cap_conn_add()
6875 	conn->mtu = hcon->mtu;  in l2cap_conn_add()
6880 	if (hci_dev_test_flag(hcon->hdev, HCI_LE_ENABLED) &&  in l2cap_conn_add()
6881 	    (bredr_sc_enabled(hcon->hdev) ||  in l2cap_conn_add()
6882 	     hci_dev_test_flag(hcon->hdev, HCI_FORCE_BREDR_SMP)))  in l2cap_conn_add()
6945 	struct hci_conn *hcon;  in l2cap_chan_connect()  local
7034 			hcon = hci_connect_le(hdev, dst, dst_type, false,  in l2cap_chan_connect()
7038 			hcon = hci_connect_le_scan(hdev, dst, dst_type,  in l2cap_chan_connect()
7044 		hcon = hci_connect_acl(hdev, dst, chan->sec_level, auth_type,  in l2cap_chan_connect()
7048 	if (IS_ERR(hcon)) {  in l2cap_chan_connect()
7049 		err = PTR_ERR(hcon);  in l2cap_chan_connect()
7053 	conn = l2cap_conn_add(hcon);  in l2cap_chan_connect()
7055 		hci_conn_drop(hcon);  in l2cap_chan_connect()
7071 			hci_conn_drop(hcon);  in l2cap_chan_connect()
7081 		hci_conn_drop(hcon);  in l2cap_chan_connect()
7087 	bacpy(&chan->src, &hcon->src);  in l2cap_chan_connect()
7088 	chan->src_type = bdaddr_src_type(hcon);  in l2cap_chan_connect()
7093 	hci_conn_drop(hcon);  in l2cap_chan_connect()
7105 	if (hcon->state == BT_CONNECTED) {  in l2cap_chan_connect()
7191 						  struct hci_conn *hcon)  in l2cap_global_fixed_chan()  argument
7193 	u8 src_type = bdaddr_src_type(hcon);  in l2cap_global_fixed_chan()
7207 		if (bacmp(&c->src, &hcon->src) && bacmp(&c->src, BDADDR_ANY))  in l2cap_global_fixed_chan()
7222 static void l2cap_connect_cfm(struct hci_conn *hcon, u8 status)  in l2cap_connect_cfm()  argument
7224 	struct hci_dev *hdev = hcon->hdev;  in l2cap_connect_cfm()
7229 	if (hcon->type != ACL_LINK && hcon->type != LE_LINK)  in l2cap_connect_cfm()
7232 	BT_DBG("hcon %p bdaddr %pMR status %d", hcon, &hcon->dst, status);  in l2cap_connect_cfm()
7235 		l2cap_conn_del(hcon, bt_to_errno(status));  in l2cap_connect_cfm()
7239 	conn = l2cap_conn_add(hcon);  in l2cap_connect_cfm()
7243 	dst_type = bdaddr_dst_type(hcon);  in l2cap_connect_cfm()
7246 	if (hci_bdaddr_list_lookup(&hdev->reject_list, &hcon->dst, dst_type))  in l2cap_connect_cfm()
7254 	pchan = l2cap_global_fixed_chan(NULL, hcon);  in l2cap_connect_cfm()
7265 			bacpy(&chan->src, &hcon->src);  in l2cap_connect_cfm()
7266 			bacpy(&chan->dst, &hcon->dst);  in l2cap_connect_cfm()
7267 			chan->src_type = bdaddr_src_type(hcon);  in l2cap_connect_cfm()
7275 		next = l2cap_global_fixed_chan(pchan, hcon);  in l2cap_connect_cfm()
7283 int l2cap_disconn_ind(struct hci_conn *hcon)  in l2cap_disconn_ind()  argument
7285 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_disconn_ind()
7287 	BT_DBG("hcon %p", hcon);  in l2cap_disconn_ind()
7294 static void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason)  in l2cap_disconn_cfm()  argument
7296 	if (hcon->type != ACL_LINK && hcon->type != LE_LINK)  in l2cap_disconn_cfm()
7299 	BT_DBG("hcon %p reason %d", hcon, reason);  in l2cap_disconn_cfm()
7301 	l2cap_conn_del(hcon, bt_to_errno(reason));  in l2cap_disconn_cfm()
7321 static void l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)  in l2cap_security_cfm()  argument
7323 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_security_cfm()
7340 			chan->sec_level = hcon->sec_level;  in l2cap_security_cfm()
7356 			if (!status && l2cap_check_enc_key_size(hcon, chan))  in l2cap_security_cfm()
7366 			if (!status && l2cap_check_enc_key_size(hcon, chan)) {  in l2cap_security_cfm()
7488 void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags)  in l2cap_recv_acldata()  argument
7494 	hci_dev_lock(hcon->hdev);  in l2cap_recv_acldata()
7496 	conn = hcon->l2cap_data;  in l2cap_recv_acldata()
7499 		conn = l2cap_conn_add(hcon);  in l2cap_recv_acldata()
7503 	hci_dev_unlock(hcon->hdev);  in l2cap_recv_acldata()