77 static inline u8 bdaddr_src_type(struct hci_conn *hcon)  in bdaddr_src_type()  argument
79 	return bdaddr_type(hcon->type, hcon->src_type);  in bdaddr_src_type()
82 static inline u8 bdaddr_dst_type(struct hci_conn *hcon)  in bdaddr_dst_type()  argument
84 	return bdaddr_type(hcon->type, hcon->dst_type);  in bdaddr_dst_type()
254 	if (conn->hcon->type == LE_LINK)  in l2cap_alloc_cid()
567 		if (conn->hcon->type == ACL_LINK)  in __l2cap_chan_add()
601 		hci_conn_hold(conn->hcon);  in __l2cap_chan_add()
625 		struct amp_mgr *mgr = conn->hcon->amp_mgr;  in l2cap_chan_del()
639 			hci_conn_drop(conn->hcon);  in l2cap_chan_del()
709 	struct hci_conn *hcon = conn->hcon;  in l2cap_conn_update_id_addr()  local
716 		bacpy(&chan->dst, &hcon->dst);  in l2cap_conn_update_id_addr()
717 		chan->dst_type = bdaddr_dst_type(hcon);  in l2cap_conn_update_id_addr()
811 			if (conn->hcon->type == ACL_LINK)  in l2cap_chan_close()
813 			else if (conn->hcon->type == LE_LINK) {  in l2cap_chan_close()
898 	if (conn->hcon->type == LE_LINK)  in l2cap_chan_check_security()
899 		return smp_conn_security(conn->hcon, chan->sec_level);  in l2cap_chan_check_security()
903 	return hci_conn_security(conn->hcon, chan->sec_level, auth_type,  in l2cap_chan_check_security()
942 	if (lmp_no_flush_capable(conn->hcon->hdev) ||  in l2cap_send_cmd()
943 	    conn->hcon->type == LE_LINK)  in l2cap_send_cmd()
962 	struct hci_conn *hcon = chan->conn->hcon;  in l2cap_do_send()  local
981 	if (hcon->type == LE_LINK ||  in l2cap_do_send()
983 	     lmp_no_flush_capable(hcon->hdev)))  in l2cap_do_send()
1463 	if (!smp_conn_security(conn->hcon, chan->sec_level))  in l2cap_le_start()
1484 	} else if (chan->conn->hcon->type == LE_LINK) {  in l2cap_start_connection()
1509 static bool l2cap_check_enc_key_size(struct hci_conn *hcon)  in l2cap_check_enc_key_size()  argument
1520 	int min_key_size = hcon->hdev->min_enc_key_size;  in l2cap_check_enc_key_size()
1523 	if (hcon->sec_level == BT_SECURITY_FIPS)  in l2cap_check_enc_key_size()
1526 	return (!test_bit(HCI_CONN_ENCRYPT, &hcon->flags) ||  in l2cap_check_enc_key_size()
1527 		hcon->enc_key_size >= min_key_size);  in l2cap_check_enc_key_size()
1534 	if (conn->hcon->type == LE_LINK) {  in l2cap_do_start()
1551 	if (l2cap_check_enc_key_size(conn->hcon))  in l2cap_do_start()
1633 			if (l2cap_check_enc_key_size(conn->hcon))  in l2cap_conn_start()
1683 	struct hci_conn *hcon = conn->hcon;  in l2cap_le_conn_ready()  local
1684 	struct hci_dev *hdev = hcon->hdev;  in l2cap_le_conn_ready()
1691 	if (hcon->out)  in l2cap_le_conn_ready()
1692 		smp_conn_security(hcon, hcon->pending_sec_level);  in l2cap_le_conn_ready()
1699 	if (hcon->role == HCI_ROLE_SLAVE &&  in l2cap_le_conn_ready()
1700 	    (hcon->le_conn_interval < hcon->le_conn_min_interval ||  in l2cap_le_conn_ready()
1701 	     hcon->le_conn_interval > hcon->le_conn_max_interval)) {  in l2cap_le_conn_ready()
1704 		req.min = cpu_to_le16(hcon->le_conn_min_interval);  in l2cap_le_conn_ready()
1705 		req.max = cpu_to_le16(hcon->le_conn_max_interval);  in l2cap_le_conn_ready()
1706 		req.latency = cpu_to_le16(hcon->le_conn_latency);  in l2cap_le_conn_ready()
1707 		req.to_multiplier = cpu_to_le16(hcon->le_supv_timeout);  in l2cap_le_conn_ready()
1717 	struct hci_conn *hcon = conn->hcon;  in l2cap_conn_ready()  local
1721 	if (hcon->type == ACL_LINK)  in l2cap_conn_ready()
1735 		if (hcon->type == LE_LINK) {  in l2cap_conn_ready()
1749 	if (hcon->type == LE_LINK)  in l2cap_conn_ready()
1752 	queue_work(hcon->hdev->workqueue, &conn->pending_rx_work);  in l2cap_conn_ready()
1798 	struct hci_dev *hdev = conn->hcon->hdev;  in l2cap_register_user()
1836 	struct hci_dev *hdev = conn->hcon->hdev;  in l2cap_unregister_user()
1862 static void l2cap_conn_del(struct hci_conn *hcon, int err)  in l2cap_conn_del()  argument
1864 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_conn_del()
1870 	BT_DBG("hcon %p conn %p, err %d", hcon, conn, err);  in l2cap_conn_del()
1889 	hcon->disc_timeout = 0;  in l2cap_conn_del()
1913 	hcon->l2cap_data = NULL;  in l2cap_conn_del()
1922 	hci_conn_put(conn->hcon);  in l2cap_conn_free()
3109 	if (conn->hcon->type == LE_LINK)  in l2cap_build_cmd()
3394 	struct hci_conn *conn = chan->conn->hcon;  in l2cap_mtu_auto()
4100 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_connect()
4101 					 &conn->hcon->dst, ACL_LINK);  in l2cap_connect()
4112 	    !hci_conn_check_link_mode(conn->hcon)) {  in l2cap_connect()
4141 	conn->hcon->disc_timeout = HCI_DISCONN_TIMEOUT;  in l2cap_connect()
4143 	bacpy(&chan->src, &conn->hcon->src);  in l2cap_connect()
4144 	bacpy(&chan->dst, &conn->hcon->dst);  in l2cap_connect()
4145 	chan->src_type = bdaddr_src_type(conn->hcon);  in l2cap_connect()
4146 	chan->dst_type = bdaddr_dst_type(conn->hcon);  in l2cap_connect()
4231 	struct hci_dev *hdev = conn->hcon->hdev;  in l2cap_connect_req()
4232 	struct hci_conn *hcon = conn->hcon;  in l2cap_connect_req()  local
4239 	    !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &hcon->flags))  in l2cap_connect_req()
4240 		mgmt_device_connected(hdev, hcon, NULL, 0);  in l2cap_connect_req()
4831 		struct amp_mgr *mgr = conn->hcon->amp_mgr;  in l2cap_create_channel_req()
4835 						  &conn->hcon->dst);  in l2cap_create_channel_req()
5278 	    bacmp(&conn->hcon->src, &conn->hcon->dst) > 0) {  in l2cap_move_channel_req()
5534 	struct hci_conn *hcon = conn->hcon;  in l2cap_conn_param_update_req()  local
5540 	if (hcon->role != HCI_ROLE_MASTER)  in l2cap_conn_param_update_req()
5569 		store_hint = hci_le_conn_update(hcon, min, max, latency,  in l2cap_conn_param_update_req()
5571 		mgmt_new_conn_param(hcon->hdev, &hcon->dst, hcon->dst_type,  in l2cap_conn_param_update_req()
5585 	struct hci_conn *hcon = conn->hcon;  in l2cap_le_connect_rsp()  local
5639 		if (hcon->sec_level > BT_SECURITY_MEDIUM) {  in l2cap_le_connect_rsp()
5644 		sec_level = hcon->sec_level + 1;  in l2cap_le_connect_rsp()
5651 		smp_conn_security(hcon, chan->sec_level);  in l2cap_le_connect_rsp()
5775 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_le_connect_req()
5776 					 &conn->hcon->dst, LE_LINK);  in l2cap_le_connect_req()
5786 	if (!smp_sufficient_security(conn->hcon, pchan->sec_level,  in l2cap_le_connect_req()
5813 	bacpy(&chan->src, &conn->hcon->src);  in l2cap_le_connect_req()
5814 	bacpy(&chan->dst, &conn->hcon->dst);  in l2cap_le_connect_req()
5815 	chan->src_type = bdaddr_src_type(conn->hcon);  in l2cap_le_connect_req()
5816 	chan->dst_type = bdaddr_dst_type(conn->hcon);  in l2cap_le_connect_req()
5966 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_ecred_conn_req()
5967 					 &conn->hcon->dst, LE_LINK);  in l2cap_ecred_conn_req()
5976 	if (!smp_sufficient_security(conn->hcon, pchan->sec_level,  in l2cap_ecred_conn_req()
6010 		bacpy(&chan->src, &conn->hcon->src);  in l2cap_ecred_conn_req()
6011 		bacpy(&chan->dst, &conn->hcon->dst);  in l2cap_ecred_conn_req()
6012 		chan->src_type = bdaddr_src_type(conn->hcon);  in l2cap_ecred_conn_req()
6013 		chan->dst_type = bdaddr_dst_type(conn->hcon);  in l2cap_ecred_conn_req()
6067 	struct hci_conn *hcon = conn->hcon;  in l2cap_ecred_conn_rsp()  local
6133 			if (hcon->sec_level > BT_SECURITY_MEDIUM) {  in l2cap_ecred_conn_rsp()
6138 			sec_level = hcon->sec_level + 1;  in l2cap_ecred_conn_rsp()
6145 			smp_conn_security(hcon, chan->sec_level);  in l2cap_ecred_conn_rsp()
6366 	struct hci_conn *hcon = conn->hcon;  in l2cap_le_sig_channel()  local
6371 	if (hcon->type != LE_LINK)  in l2cap_le_sig_channel()
6407 	struct hci_conn *hcon = conn->hcon;  in l2cap_sig_channel()  local
6413 	if (hcon->type != ACL_LINK)  in l2cap_sig_channel()
7127 		chan->conn->mtu = chan->conn->hcon->hdev->acl_mtu;  in l2cap_finish_move()
7198 		chan->conn->mtu = chan->conn->hcon->hdev->acl_mtu;  in l2cap_rx_state_wait_f()
7605 	struct hci_conn *hcon = conn->hcon;  in l2cap_conless_channel()  local
7608 	if (hcon->type != ACL_LINK)  in l2cap_conless_channel()
7611 	chan = l2cap_global_chan_by_psm(0, psm, &hcon->src, &hcon->dst,  in l2cap_conless_channel()
7625 	bacpy(&bt_cb(skb)->l2cap.bdaddr, &hcon->dst);  in l2cap_conless_channel()
7642 	struct hci_conn *hcon = conn->hcon;  in l2cap_recv_frame()  local
7646 	if (hcon->state != BT_CONNECTED) {  in l2cap_recv_frame()
7664 	if (hcon->type == LE_LINK &&  in l2cap_recv_frame()
7665 	    hci_bdaddr_list_lookup(&hcon->hdev->reject_list, &hcon->dst,  in l2cap_recv_frame()
7666 				   bdaddr_dst_type(hcon))) {  in l2cap_recv_frame()
7706 static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon)  in l2cap_conn_add()  argument
7708 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_conn_add()
7714 	hchan = hci_chan_create(hcon);  in l2cap_conn_add()
7725 	hcon->l2cap_data = conn;  in l2cap_conn_add()
7726 	conn->hcon = hci_conn_get(hcon);  in l2cap_conn_add()
7729 	BT_DBG("hcon %p conn %p hchan %p", hcon, conn, hchan);  in l2cap_conn_add()
7731 	switch (hcon->type) {  in l2cap_conn_add()
7733 		if (hcon->hdev->le_mtu) {  in l2cap_conn_add()
7734 			conn->mtu = hcon->hdev->le_mtu;  in l2cap_conn_add()
7739 		conn->mtu = hcon->hdev->acl_mtu;  in l2cap_conn_add()
7747 	if (hcon->type == ACL_LINK &&  in l2cap_conn_add()
7748 	    hci_dev_test_flag(hcon->hdev, HCI_HS_ENABLED))  in l2cap_conn_add()
7751 	if (hci_dev_test_flag(hcon->hdev, HCI_LE_ENABLED) &&  in l2cap_conn_add()
7752 	    (bredr_sc_enabled(hcon->hdev) ||  in l2cap_conn_add()
7753 	     hci_dev_test_flag(hcon->hdev, HCI_FORCE_BREDR_SMP)))  in l2cap_conn_add()
7816 	struct hci_conn *hcon;  in l2cap_chan_connect()  local
7905 			hcon = hci_connect_le(hdev, dst, dst_type,  in l2cap_chan_connect()
7910 			hcon = hci_connect_le_scan(hdev, dst, dst_type,  in l2cap_chan_connect()
7917 		hcon = hci_connect_acl(hdev, dst, chan->sec_level, auth_type,  in l2cap_chan_connect()
7921 	if (IS_ERR(hcon)) {  in l2cap_chan_connect()
7922 		err = PTR_ERR(hcon);  in l2cap_chan_connect()
7926 	conn = l2cap_conn_add(hcon);  in l2cap_chan_connect()
7928 		hci_conn_drop(hcon);  in l2cap_chan_connect()
7944 			hci_conn_drop(hcon);  in l2cap_chan_connect()
7954 		hci_conn_drop(hcon);  in l2cap_chan_connect()
7960 	bacpy(&chan->src, &hcon->src);  in l2cap_chan_connect()
7961 	chan->src_type = bdaddr_src_type(hcon);  in l2cap_chan_connect()
7966 	hci_conn_drop(hcon);  in l2cap_chan_connect()
7978 	if (hcon->state == BT_CONNECTED) {  in l2cap_chan_connect()
8067 						  struct hci_conn *hcon)  in l2cap_global_fixed_chan()  argument
8069 	u8 src_type = bdaddr_src_type(hcon);  in l2cap_global_fixed_chan()
8083 		if (bacmp(&c->src, &hcon->src) && bacmp(&c->src, BDADDR_ANY))  in l2cap_global_fixed_chan()
8098 static void l2cap_connect_cfm(struct hci_conn *hcon, u8 status)  in l2cap_connect_cfm()  argument
8100 	struct hci_dev *hdev = hcon->hdev;  in l2cap_connect_cfm()
8105 	if (hcon->type != ACL_LINK && hcon->type != LE_LINK)  in l2cap_connect_cfm()
8108 	BT_DBG("hcon %p bdaddr %pMR status %d", hcon, &hcon->dst, status);  in l2cap_connect_cfm()
8111 		l2cap_conn_del(hcon, bt_to_errno(status));  in l2cap_connect_cfm()
8115 	conn = l2cap_conn_add(hcon);  in l2cap_connect_cfm()
8119 	dst_type = bdaddr_dst_type(hcon);  in l2cap_connect_cfm()
8122 	if (hci_bdaddr_list_lookup(&hdev->reject_list, &hcon->dst, dst_type))  in l2cap_connect_cfm()
8130 	pchan = l2cap_global_fixed_chan(NULL, hcon);  in l2cap_connect_cfm()
8141 			bacpy(&chan->src, &hcon->src);  in l2cap_connect_cfm()
8142 			bacpy(&chan->dst, &hcon->dst);  in l2cap_connect_cfm()
8143 			chan->src_type = bdaddr_src_type(hcon);  in l2cap_connect_cfm()
8151 		next = l2cap_global_fixed_chan(pchan, hcon);  in l2cap_connect_cfm()
8159 int l2cap_disconn_ind(struct hci_conn *hcon)  in l2cap_disconn_ind()  argument
8161 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_disconn_ind()
8163 	BT_DBG("hcon %p", hcon);  in l2cap_disconn_ind()
8170 static void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason)  in l2cap_disconn_cfm()  argument
8172 	if (hcon->type != ACL_LINK && hcon->type != LE_LINK)  in l2cap_disconn_cfm()
8175 	BT_DBG("hcon %p reason %d", hcon, reason);  in l2cap_disconn_cfm()
8177 	l2cap_conn_del(hcon, bt_to_errno(reason));  in l2cap_disconn_cfm()
8197 static void l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)  in l2cap_security_cfm()  argument
8199 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_security_cfm()
8221 			chan->sec_level = hcon->sec_level;  in l2cap_security_cfm()
8237 			if (!status && l2cap_check_enc_key_size(hcon))  in l2cap_security_cfm()
8247 			if (!status && l2cap_check_enc_key_size(hcon)) {  in l2cap_security_cfm()
8353 void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags)  in l2cap_recv_acldata()  argument
8355 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_recv_acldata()
8359 	if (!conn && hcon->hdev->dev_type != HCI_PRIMARY)  in l2cap_recv_acldata()
8363 		conn = l2cap_conn_add(hcon);  in l2cap_recv_acldata()