80 static inline u8 bdaddr_src_type(struct hci_conn *hcon)  in bdaddr_src_type()  argument
82 	return bdaddr_type(hcon->type, hcon->src_type);  in bdaddr_src_type()
85 static inline u8 bdaddr_dst_type(struct hci_conn *hcon)  in bdaddr_dst_type()  argument
87 	return bdaddr_type(hcon->type, hcon->dst_type);  in bdaddr_dst_type()
270 	if (conn->hcon->type == LE_LINK)  in l2cap_alloc_cid()
596 		if (conn->hcon->type == ACL_LINK)  in __l2cap_chan_add()
630 		hci_conn_hold(conn->hcon);  in __l2cap_chan_add()
654 		struct amp_mgr *mgr = conn->hcon->amp_mgr;  in l2cap_chan_del()
668 			hci_conn_drop(conn->hcon);  in l2cap_chan_del()
738 	struct hci_conn *hcon = conn->hcon;  in l2cap_conn_update_id_addr()  local
745 		bacpy(&chan->dst, &hcon->dst);  in l2cap_conn_update_id_addr()
746 		chan->dst_type = bdaddr_dst_type(hcon);  in l2cap_conn_update_id_addr()
840 			if (conn->hcon->type == ACL_LINK)  in l2cap_chan_close()
842 			else if (conn->hcon->type == LE_LINK) {  in l2cap_chan_close()
927 	if (conn->hcon->type == LE_LINK)  in l2cap_chan_check_security()
928 		return smp_conn_security(conn->hcon, chan->sec_level);  in l2cap_chan_check_security()
932 	return hci_conn_security(conn->hcon, chan->sec_level, auth_type,  in l2cap_chan_check_security()
971 	if (lmp_no_flush_capable(conn->hcon->hdev) ||  in l2cap_send_cmd()
972 	    conn->hcon->type == LE_LINK)  in l2cap_send_cmd()
991 	struct hci_conn *hcon = chan->conn->hcon;  in l2cap_do_send()  local
1010 	if (hcon->type == LE_LINK ||  in l2cap_do_send()
1012 	     lmp_no_flush_capable(hcon->hdev)))  in l2cap_do_send()
1493 	if (!smp_conn_security(conn->hcon, chan->sec_level))  in l2cap_le_start()
1514 	} else if (chan->conn->hcon->type == LE_LINK) {  in l2cap_start_connection()
1539 static bool l2cap_check_enc_key_size(struct hci_conn *hcon)  in l2cap_check_enc_key_size()  argument
1550 	int min_key_size = hcon->hdev->min_enc_key_size;  in l2cap_check_enc_key_size()
1553 	if (hcon->sec_level == BT_SECURITY_FIPS)  in l2cap_check_enc_key_size()
1556 	return (!test_bit(HCI_CONN_ENCRYPT, &hcon->flags) ||  in l2cap_check_enc_key_size()
1557 		hcon->enc_key_size >= min_key_size);  in l2cap_check_enc_key_size()
1564 	if (conn->hcon->type == LE_LINK) {  in l2cap_do_start()
1581 	if (l2cap_check_enc_key_size(conn->hcon))  in l2cap_do_start()
1663 			if (l2cap_check_enc_key_size(conn->hcon))  in l2cap_conn_start()
1713 	struct hci_conn *hcon = conn->hcon;  in l2cap_le_conn_ready()  local
1714 	struct hci_dev *hdev = hcon->hdev;  in l2cap_le_conn_ready()
1721 	if (hcon->out)  in l2cap_le_conn_ready()
1722 		smp_conn_security(hcon, hcon->pending_sec_level);  in l2cap_le_conn_ready()
1729 	if (hcon->role == HCI_ROLE_SLAVE &&  in l2cap_le_conn_ready()
1730 	    (hcon->le_conn_interval < hcon->le_conn_min_interval ||  in l2cap_le_conn_ready()
1731 	     hcon->le_conn_interval > hcon->le_conn_max_interval)) {  in l2cap_le_conn_ready()
1734 		req.min = cpu_to_le16(hcon->le_conn_min_interval);  in l2cap_le_conn_ready()
1735 		req.max = cpu_to_le16(hcon->le_conn_max_interval);  in l2cap_le_conn_ready()
1736 		req.latency = cpu_to_le16(hcon->le_conn_latency);  in l2cap_le_conn_ready()
1737 		req.to_multiplier = cpu_to_le16(hcon->le_supv_timeout);  in l2cap_le_conn_ready()
1747 	struct hci_conn *hcon = conn->hcon;  in l2cap_conn_ready()  local
1751 	if (hcon->type == ACL_LINK)  in l2cap_conn_ready()
1765 		if (hcon->type == LE_LINK) {  in l2cap_conn_ready()
1779 	if (hcon->type == LE_LINK)  in l2cap_conn_ready()
1782 	queue_work(hcon->hdev->workqueue, &conn->pending_rx_work);  in l2cap_conn_ready()
1828 	struct hci_dev *hdev = conn->hcon->hdev;  in l2cap_register_user()
1866 	struct hci_dev *hdev = conn->hcon->hdev;  in l2cap_unregister_user()
1892 static void l2cap_conn_del(struct hci_conn *hcon, int err)  in l2cap_conn_del()  argument
1894 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_conn_del()
1900 	BT_DBG("hcon %p conn %p, err %d", hcon, conn, err);  in l2cap_conn_del()
1919 	hcon->disc_timeout = 0;  in l2cap_conn_del()
1943 	hcon->l2cap_data = NULL;  in l2cap_conn_del()
1952 	hci_conn_put(conn->hcon);  in l2cap_conn_free()
3141 	if (conn->hcon->type == LE_LINK)  in l2cap_build_cmd()
3422 	struct hci_conn *conn = chan->conn->hcon;  in l2cap_mtu_auto()
4129 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_connect()
4130 					 &conn->hcon->dst, ACL_LINK);  in l2cap_connect()
4141 	    !hci_conn_check_link_mode(conn->hcon)) {  in l2cap_connect()
4170 	conn->hcon->disc_timeout = HCI_DISCONN_TIMEOUT;  in l2cap_connect()
4172 	bacpy(&chan->src, &conn->hcon->src);  in l2cap_connect()
4173 	bacpy(&chan->dst, &conn->hcon->dst);  in l2cap_connect()
4174 	chan->src_type = bdaddr_src_type(conn->hcon);  in l2cap_connect()
4175 	chan->dst_type = bdaddr_dst_type(conn->hcon);  in l2cap_connect()
4260 	struct hci_dev *hdev = conn->hcon->hdev;  in l2cap_connect_req()
4261 	struct hci_conn *hcon = conn->hcon;  in l2cap_connect_req()  local
4268 	    !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &hcon->flags))  in l2cap_connect_req()
4269 		mgmt_device_connected(hdev, hcon, NULL, 0);  in l2cap_connect_req()
4870 		struct amp_mgr *mgr = conn->hcon->amp_mgr;  in l2cap_create_channel_req()
4874 						  &conn->hcon->dst);  in l2cap_create_channel_req()
5317 	    bacmp(&conn->hcon->src, &conn->hcon->dst) > 0) {  in l2cap_move_channel_req()
5578 	struct hci_conn *hcon = conn->hcon;  in l2cap_conn_param_update_req()  local
5584 	if (hcon->role != HCI_ROLE_MASTER)  in l2cap_conn_param_update_req()
5613 		store_hint = hci_le_conn_update(hcon, min, max, latency,  in l2cap_conn_param_update_req()
5615 		mgmt_new_conn_param(hcon->hdev, &hcon->dst, hcon->dst_type,  in l2cap_conn_param_update_req()
5629 	struct hci_conn *hcon = conn->hcon;  in l2cap_le_connect_rsp()  local
5683 		if (hcon->sec_level > BT_SECURITY_MEDIUM) {  in l2cap_le_connect_rsp()
5688 		sec_level = hcon->sec_level + 1;  in l2cap_le_connect_rsp()
5695 		smp_conn_security(hcon, chan->sec_level);  in l2cap_le_connect_rsp()
5832 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_le_connect_req()
5833 					 &conn->hcon->dst, LE_LINK);  in l2cap_le_connect_req()
5843 	if (!smp_sufficient_security(conn->hcon, pchan->sec_level,  in l2cap_le_connect_req()
5870 	bacpy(&chan->src, &conn->hcon->src);  in l2cap_le_connect_req()
5871 	bacpy(&chan->dst, &conn->hcon->dst);  in l2cap_le_connect_req()
5872 	chan->src_type = bdaddr_src_type(conn->hcon);  in l2cap_le_connect_req()
5873 	chan->dst_type = bdaddr_dst_type(conn->hcon);  in l2cap_le_connect_req()
6036 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_ecred_conn_req()
6037 					 &conn->hcon->dst, LE_LINK);  in l2cap_ecred_conn_req()
6046 	if (!smp_sufficient_security(conn->hcon, pchan->sec_level,  in l2cap_ecred_conn_req()
6080 		bacpy(&chan->src, &conn->hcon->src);  in l2cap_ecred_conn_req()
6081 		bacpy(&chan->dst, &conn->hcon->dst);  in l2cap_ecred_conn_req()
6082 		chan->src_type = bdaddr_src_type(conn->hcon);  in l2cap_ecred_conn_req()
6083 		chan->dst_type = bdaddr_dst_type(conn->hcon);  in l2cap_ecred_conn_req()
6137 	struct hci_conn *hcon = conn->hcon;  in l2cap_ecred_conn_rsp()  local
6203 			if (hcon->sec_level > BT_SECURITY_MEDIUM) {  in l2cap_ecred_conn_rsp()
6208 			sec_level = hcon->sec_level + 1;  in l2cap_ecred_conn_rsp()
6215 			smp_conn_security(hcon, chan->sec_level);  in l2cap_ecred_conn_rsp()
6436 	struct hci_conn *hcon = conn->hcon;  in l2cap_le_sig_channel()  local
6441 	if (hcon->type != LE_LINK)  in l2cap_le_sig_channel()
6477 	struct hci_conn *hcon = conn->hcon;  in l2cap_sig_channel()  local
6483 	if (hcon->type != ACL_LINK)  in l2cap_sig_channel()
7215 		chan->conn->mtu = chan->conn->hcon->hdev->acl_mtu;  in l2cap_finish_move()
7286 		chan->conn->mtu = chan->conn->hcon->hdev->acl_mtu;  in l2cap_rx_state_wait_f()
7711 	struct hci_conn *hcon = conn->hcon;  in l2cap_conless_channel()  local
7714 	if (hcon->type != ACL_LINK)  in l2cap_conless_channel()
7717 	chan = l2cap_global_chan_by_psm(0, psm, &hcon->src, &hcon->dst,  in l2cap_conless_channel()
7731 	bacpy(&bt_cb(skb)->l2cap.bdaddr, &hcon->dst);  in l2cap_conless_channel()
7748 	struct hci_conn *hcon = conn->hcon;  in l2cap_recv_frame()  local
7752 	if (hcon->state != BT_CONNECTED) {  in l2cap_recv_frame()
7770 	if (hcon->type == LE_LINK &&  in l2cap_recv_frame()
7771 	    hci_bdaddr_list_lookup(&hcon->hdev->reject_list, &hcon->dst,  in l2cap_recv_frame()
7772 				   bdaddr_dst_type(hcon))) {  in l2cap_recv_frame()
7812 static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon)  in l2cap_conn_add()  argument
7814 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_conn_add()
7820 	hchan = hci_chan_create(hcon);  in l2cap_conn_add()
7831 	hcon->l2cap_data = conn;  in l2cap_conn_add()
7832 	conn->hcon = hci_conn_get(hcon);  in l2cap_conn_add()
7835 	BT_DBG("hcon %p conn %p hchan %p", hcon, conn, hchan);  in l2cap_conn_add()
7837 	switch (hcon->type) {  in l2cap_conn_add()
7839 		if (hcon->hdev->le_mtu) {  in l2cap_conn_add()
7840 			conn->mtu = hcon->hdev->le_mtu;  in l2cap_conn_add()
7845 		conn->mtu = hcon->hdev->acl_mtu;  in l2cap_conn_add()
7853 	if (hcon->type == ACL_LINK &&  in l2cap_conn_add()
7854 	    hci_dev_test_flag(hcon->hdev, HCI_HS_ENABLED))  in l2cap_conn_add()
7857 	if (hci_dev_test_flag(hcon->hdev, HCI_LE_ENABLED) &&  in l2cap_conn_add()
7858 	    (bredr_sc_enabled(hcon->hdev) ||  in l2cap_conn_add()
7859 	     hci_dev_test_flag(hcon->hdev, HCI_FORCE_BREDR_SMP)))  in l2cap_conn_add()
7922 	struct hci_conn *hcon;  in l2cap_chan_connect()  local
8011 			hcon = hci_connect_le(hdev, dst, dst_type, false,  in l2cap_chan_connect()
8016 			hcon = hci_connect_le_scan(hdev, dst, dst_type,  in l2cap_chan_connect()
8023 		hcon = hci_connect_acl(hdev, dst, chan->sec_level, auth_type,  in l2cap_chan_connect()
8027 	if (IS_ERR(hcon)) {  in l2cap_chan_connect()
8028 		err = PTR_ERR(hcon);  in l2cap_chan_connect()
8032 	conn = l2cap_conn_add(hcon);  in l2cap_chan_connect()
8034 		hci_conn_drop(hcon);  in l2cap_chan_connect()
8050 			hci_conn_drop(hcon);  in l2cap_chan_connect()
8060 		hci_conn_drop(hcon);  in l2cap_chan_connect()
8066 	bacpy(&chan->src, &hcon->src);  in l2cap_chan_connect()
8067 	chan->src_type = bdaddr_src_type(hcon);  in l2cap_chan_connect()
8072 	hci_conn_drop(hcon);  in l2cap_chan_connect()
8084 	if (hcon->state == BT_CONNECTED) {  in l2cap_chan_connect()
8173 						  struct hci_conn *hcon)  in l2cap_global_fixed_chan()  argument
8175 	u8 src_type = bdaddr_src_type(hcon);  in l2cap_global_fixed_chan()
8189 		if (bacmp(&c->src, &hcon->src) && bacmp(&c->src, BDADDR_ANY))  in l2cap_global_fixed_chan()
8204 static void l2cap_connect_cfm(struct hci_conn *hcon, u8 status)  in l2cap_connect_cfm()  argument
8206 	struct hci_dev *hdev = hcon->hdev;  in l2cap_connect_cfm()
8211 	if (hcon->type != ACL_LINK && hcon->type != LE_LINK)  in l2cap_connect_cfm()
8214 	BT_DBG("hcon %p bdaddr %pMR status %d", hcon, &hcon->dst, status);  in l2cap_connect_cfm()
8217 		l2cap_conn_del(hcon, bt_to_errno(status));  in l2cap_connect_cfm()
8221 	conn = l2cap_conn_add(hcon);  in l2cap_connect_cfm()
8225 	dst_type = bdaddr_dst_type(hcon);  in l2cap_connect_cfm()
8228 	if (hci_bdaddr_list_lookup(&hdev->reject_list, &hcon->dst, dst_type))  in l2cap_connect_cfm()
8236 	pchan = l2cap_global_fixed_chan(NULL, hcon);  in l2cap_connect_cfm()
8247 			bacpy(&chan->src, &hcon->src);  in l2cap_connect_cfm()
8248 			bacpy(&chan->dst, &hcon->dst);  in l2cap_connect_cfm()
8249 			chan->src_type = bdaddr_src_type(hcon);  in l2cap_connect_cfm()
8257 		next = l2cap_global_fixed_chan(pchan, hcon);  in l2cap_connect_cfm()
8265 int l2cap_disconn_ind(struct hci_conn *hcon)  in l2cap_disconn_ind()  argument
8267 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_disconn_ind()
8269 	BT_DBG("hcon %p", hcon);  in l2cap_disconn_ind()
8276 static void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason)  in l2cap_disconn_cfm()  argument
8278 	if (hcon->type != ACL_LINK && hcon->type != LE_LINK)  in l2cap_disconn_cfm()
8281 	BT_DBG("hcon %p reason %d", hcon, reason);  in l2cap_disconn_cfm()
8283 	l2cap_conn_del(hcon, bt_to_errno(reason));  in l2cap_disconn_cfm()
8303 static void l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)  in l2cap_security_cfm()  argument
8305 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_security_cfm()
8327 			chan->sec_level = hcon->sec_level;  in l2cap_security_cfm()
8343 			if (!status && l2cap_check_enc_key_size(hcon))  in l2cap_security_cfm()
8353 			if (!status && l2cap_check_enc_key_size(hcon)) {  in l2cap_security_cfm()
8459 void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags)  in l2cap_recv_acldata()  argument
8461 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_recv_acldata()
8465 	if (!conn && hcon->hdev->dev_type != HCI_PRIMARY)  in l2cap_recv_acldata()
8469 		conn = l2cap_conn_add(hcon);  in l2cap_recv_acldata()