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()
749 	struct hci_conn *hcon = conn->hcon;  in l2cap_conn_update_id_addr()  local
756 		bacpy(&chan->dst, &hcon->dst);  in l2cap_conn_update_id_addr()
757 		chan->dst_type = bdaddr_dst_type(hcon);  in l2cap_conn_update_id_addr()
837 			if (conn->hcon->type == ACL_LINK)  in l2cap_chan_close()
839 			else if (conn->hcon->type == LE_LINK) {  in l2cap_chan_close()
924 	if (conn->hcon->type == LE_LINK)  in l2cap_chan_check_security()
925 		return smp_conn_security(conn->hcon, chan->sec_level);  in l2cap_chan_check_security()
929 	return hci_conn_security(conn->hcon, chan->sec_level, auth_type,  in l2cap_chan_check_security()
968 	if (lmp_no_flush_capable(conn->hcon->hdev) ||  in l2cap_send_cmd()
969 	    conn->hcon->type == LE_LINK)  in l2cap_send_cmd()
988 	struct hci_conn *hcon = chan->conn->hcon;  in l2cap_do_send()  local
1007 	if (hcon->type == LE_LINK ||  in l2cap_do_send()
1009 	     lmp_no_flush_capable(hcon->hdev)))  in l2cap_do_send()
1490 	if (!smp_conn_security(conn->hcon, chan->sec_level))  in l2cap_le_start()
1511 	} else if (chan->conn->hcon->type == LE_LINK) {  in l2cap_start_connection()
1536 static bool l2cap_check_enc_key_size(struct hci_conn *hcon)  in l2cap_check_enc_key_size()  argument
1547 	int min_key_size = hcon->hdev->min_enc_key_size;  in l2cap_check_enc_key_size()
1550 	if (hcon->sec_level == BT_SECURITY_FIPS)  in l2cap_check_enc_key_size()
1553 	return (!test_bit(HCI_CONN_ENCRYPT, &hcon->flags) ||  in l2cap_check_enc_key_size()
1554 		hcon->enc_key_size >= min_key_size);  in l2cap_check_enc_key_size()
1561 	if (conn->hcon->type == LE_LINK) {  in l2cap_do_start()
1578 	if (l2cap_check_enc_key_size(conn->hcon))  in l2cap_do_start()
1660 			if (l2cap_check_enc_key_size(conn->hcon))  in l2cap_conn_start()
1710 	struct hci_conn *hcon = conn->hcon;  in l2cap_le_conn_ready()  local
1711 	struct hci_dev *hdev = hcon->hdev;  in l2cap_le_conn_ready()
1718 	if (hcon->out)  in l2cap_le_conn_ready()
1719 		smp_conn_security(hcon, hcon->pending_sec_level);  in l2cap_le_conn_ready()
1726 	if (hcon->role == HCI_ROLE_SLAVE &&  in l2cap_le_conn_ready()
1727 	    (hcon->le_conn_interval < hcon->le_conn_min_interval ||  in l2cap_le_conn_ready()
1728 	     hcon->le_conn_interval > hcon->le_conn_max_interval)) {  in l2cap_le_conn_ready()
1731 		req.min = cpu_to_le16(hcon->le_conn_min_interval);  in l2cap_le_conn_ready()
1732 		req.max = cpu_to_le16(hcon->le_conn_max_interval);  in l2cap_le_conn_ready()
1733 		req.latency = cpu_to_le16(hcon->le_conn_latency);  in l2cap_le_conn_ready()
1734 		req.to_multiplier = cpu_to_le16(hcon->le_supv_timeout);  in l2cap_le_conn_ready()
1744 	struct hci_conn *hcon = conn->hcon;  in l2cap_conn_ready()  local
1748 	if (hcon->type == ACL_LINK)  in l2cap_conn_ready()
1762 		if (hcon->type == LE_LINK) {  in l2cap_conn_ready()
1776 	if (hcon->type == LE_LINK)  in l2cap_conn_ready()
1779 	queue_work(hcon->hdev->workqueue, &conn->pending_rx_work);  in l2cap_conn_ready()
1825 	struct hci_dev *hdev = conn->hcon->hdev;  in l2cap_register_user()
1863 	struct hci_dev *hdev = conn->hcon->hdev;  in l2cap_unregister_user()
1889 static void l2cap_conn_del(struct hci_conn *hcon, int err)  in l2cap_conn_del()  argument
1891 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_conn_del()
1897 	BT_DBG("hcon %p conn %p, err %d", hcon, conn, err);  in l2cap_conn_del()
1915 	hcon->disc_timeout = 0;  in l2cap_conn_del()
1939 	hcon->l2cap_data = NULL;  in l2cap_conn_del()
1948 	hci_conn_put(conn->hcon);  in l2cap_conn_free()
3113 	if (conn->hcon->type == LE_LINK)  in l2cap_build_cmd()
3394 	struct hci_conn *conn = chan->conn->hcon;  in l2cap_mtu_auto()
4144 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_connect()
4145 					 &conn->hcon->dst, ACL_LINK);  in l2cap_connect()
4156 	    !hci_conn_check_link_mode(conn->hcon)) {  in l2cap_connect()
4185 	conn->hcon->disc_timeout = HCI_DISCONN_TIMEOUT;  in l2cap_connect()
4187 	bacpy(&chan->src, &conn->hcon->src);  in l2cap_connect()
4188 	bacpy(&chan->dst, &conn->hcon->dst);  in l2cap_connect()
4189 	chan->src_type = bdaddr_src_type(conn->hcon);  in l2cap_connect()
4190 	chan->dst_type = bdaddr_dst_type(conn->hcon);  in l2cap_connect()
4275 	struct hci_dev *hdev = conn->hcon->hdev;  in l2cap_connect_req()
4276 	struct hci_conn *hcon = conn->hcon;  in l2cap_connect_req()  local
4283 	    !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &hcon->flags))  in l2cap_connect_req()
4284 		mgmt_device_connected(hdev, hcon, NULL, 0);  in l2cap_connect_req()
4885 		struct amp_mgr *mgr = conn->hcon->amp_mgr;  in l2cap_create_channel_req()
4889 						  &conn->hcon->dst);  in l2cap_create_channel_req()
5332 	    bacmp(&conn->hcon->src, &conn->hcon->dst) > 0) {  in l2cap_move_channel_req()
5593 	struct hci_conn *hcon = conn->hcon;  in l2cap_conn_param_update_req()  local
5599 	if (hcon->role != HCI_ROLE_MASTER)  in l2cap_conn_param_update_req()
5628 		store_hint = hci_le_conn_update(hcon, min, max, latency,  in l2cap_conn_param_update_req()
5630 		mgmt_new_conn_param(hcon->hdev, &hcon->dst, hcon->dst_type,  in l2cap_conn_param_update_req()
5644 	struct hci_conn *hcon = conn->hcon;  in l2cap_le_connect_rsp()  local
5698 		if (hcon->sec_level > BT_SECURITY_MEDIUM) {  in l2cap_le_connect_rsp()
5703 		sec_level = hcon->sec_level + 1;  in l2cap_le_connect_rsp()
5710 		smp_conn_security(hcon, chan->sec_level);  in l2cap_le_connect_rsp()
5847 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_le_connect_req()
5848 					 &conn->hcon->dst, LE_LINK);  in l2cap_le_connect_req()
5858 	if (!smp_sufficient_security(conn->hcon, pchan->sec_level,  in l2cap_le_connect_req()
5885 	bacpy(&chan->src, &conn->hcon->src);  in l2cap_le_connect_req()
5886 	bacpy(&chan->dst, &conn->hcon->dst);  in l2cap_le_connect_req()
5887 	chan->src_type = bdaddr_src_type(conn->hcon);  in l2cap_le_connect_req()
5888 	chan->dst_type = bdaddr_dst_type(conn->hcon);  in l2cap_le_connect_req()
6051 	pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,  in l2cap_ecred_conn_req()
6052 					 &conn->hcon->dst, LE_LINK);  in l2cap_ecred_conn_req()
6061 	if (!smp_sufficient_security(conn->hcon, pchan->sec_level,  in l2cap_ecred_conn_req()
6095 		bacpy(&chan->src, &conn->hcon->src);  in l2cap_ecred_conn_req()
6096 		bacpy(&chan->dst, &conn->hcon->dst);  in l2cap_ecred_conn_req()
6097 		chan->src_type = bdaddr_src_type(conn->hcon);  in l2cap_ecred_conn_req()
6098 		chan->dst_type = bdaddr_dst_type(conn->hcon);  in l2cap_ecred_conn_req()
6153 	struct hci_conn *hcon = conn->hcon;  in l2cap_ecred_conn_rsp()  local
6219 			if (hcon->sec_level > BT_SECURITY_MEDIUM) {  in l2cap_ecred_conn_rsp()
6224 			sec_level = hcon->sec_level + 1;  in l2cap_ecred_conn_rsp()
6231 			smp_conn_security(hcon, chan->sec_level);  in l2cap_ecred_conn_rsp()
6457 	struct hci_conn *hcon = conn->hcon;  in l2cap_le_sig_channel()  local
6462 	if (hcon->type != LE_LINK)  in l2cap_le_sig_channel()
6498 	struct hci_conn *hcon = conn->hcon;  in l2cap_sig_channel()  local
6504 	if (hcon->type != ACL_LINK)  in l2cap_sig_channel()
7236 		chan->conn->mtu = chan->conn->hcon->hdev->acl_mtu;  in l2cap_finish_move()
7307 		chan->conn->mtu = chan->conn->hcon->hdev->acl_mtu;  in l2cap_rx_state_wait_f()
7732 	struct hci_conn *hcon = conn->hcon;  in l2cap_conless_channel()  local
7735 	if (hcon->type != ACL_LINK)  in l2cap_conless_channel()
7738 	chan = l2cap_global_chan_by_psm(0, psm, &hcon->src, &hcon->dst,  in l2cap_conless_channel()
7752 	bacpy(&bt_cb(skb)->l2cap.bdaddr, &hcon->dst);  in l2cap_conless_channel()
7769 	struct hci_conn *hcon = conn->hcon;  in l2cap_recv_frame()  local
7773 	if (hcon->state != BT_CONNECTED) {  in l2cap_recv_frame()
7791 	if (hcon->type == LE_LINK &&  in l2cap_recv_frame()
7792 	    hci_bdaddr_list_lookup(&hcon->hdev->reject_list, &hcon->dst,  in l2cap_recv_frame()
7793 				   bdaddr_dst_type(hcon))) {  in l2cap_recv_frame()
7833 static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon)  in l2cap_conn_add()  argument
7835 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_conn_add()
7841 	hchan = hci_chan_create(hcon);  in l2cap_conn_add()
7852 	hcon->l2cap_data = conn;  in l2cap_conn_add()
7853 	conn->hcon = hci_conn_get(hcon);  in l2cap_conn_add()
7856 	BT_DBG("hcon %p conn %p hchan %p", hcon, conn, hchan);  in l2cap_conn_add()
7858 	switch (hcon->type) {  in l2cap_conn_add()
7860 		if (hcon->hdev->le_mtu) {  in l2cap_conn_add()
7861 			conn->mtu = hcon->hdev->le_mtu;  in l2cap_conn_add()
7866 		conn->mtu = hcon->hdev->acl_mtu;  in l2cap_conn_add()
7874 	if (hcon->type == ACL_LINK &&  in l2cap_conn_add()
7875 	    hci_dev_test_flag(hcon->hdev, HCI_HS_ENABLED))  in l2cap_conn_add()
7878 	if (hci_dev_test_flag(hcon->hdev, HCI_LE_ENABLED) &&  in l2cap_conn_add()
7879 	    (bredr_sc_enabled(hcon->hdev) ||  in l2cap_conn_add()
7880 	     hci_dev_test_flag(hcon->hdev, HCI_FORCE_BREDR_SMP)))  in l2cap_conn_add()
7943 	struct hci_conn *hcon;  in l2cap_chan_connect()  local
8032 			hcon = hci_connect_le(hdev, dst, dst_type, false,  in l2cap_chan_connect()
8037 			hcon = hci_connect_le_scan(hdev, dst, dst_type,  in l2cap_chan_connect()
8044 		hcon = hci_connect_acl(hdev, dst, chan->sec_level, auth_type,  in l2cap_chan_connect()
8048 	if (IS_ERR(hcon)) {  in l2cap_chan_connect()
8049 		err = PTR_ERR(hcon);  in l2cap_chan_connect()
8053 	conn = l2cap_conn_add(hcon);  in l2cap_chan_connect()
8055 		hci_conn_drop(hcon);  in l2cap_chan_connect()
8071 			hci_conn_drop(hcon);  in l2cap_chan_connect()
8081 		hci_conn_drop(hcon);  in l2cap_chan_connect()
8087 	bacpy(&chan->src, &hcon->src);  in l2cap_chan_connect()
8088 	chan->src_type = bdaddr_src_type(hcon);  in l2cap_chan_connect()
8093 	hci_conn_drop(hcon);  in l2cap_chan_connect()
8105 	if (hcon->state == BT_CONNECTED) {  in l2cap_chan_connect()
8194 						  struct hci_conn *hcon)  in l2cap_global_fixed_chan()  argument
8196 	u8 src_type = bdaddr_src_type(hcon);  in l2cap_global_fixed_chan()
8210 		if (bacmp(&c->src, &hcon->src) && bacmp(&c->src, BDADDR_ANY))  in l2cap_global_fixed_chan()
8225 static void l2cap_connect_cfm(struct hci_conn *hcon, u8 status)  in l2cap_connect_cfm()  argument
8227 	struct hci_dev *hdev = hcon->hdev;  in l2cap_connect_cfm()
8232 	if (hcon->type != ACL_LINK && hcon->type != LE_LINK)  in l2cap_connect_cfm()
8235 	BT_DBG("hcon %p bdaddr %pMR status %d", hcon, &hcon->dst, status);  in l2cap_connect_cfm()
8238 		l2cap_conn_del(hcon, bt_to_errno(status));  in l2cap_connect_cfm()
8242 	conn = l2cap_conn_add(hcon);  in l2cap_connect_cfm()
8246 	dst_type = bdaddr_dst_type(hcon);  in l2cap_connect_cfm()
8249 	if (hci_bdaddr_list_lookup(&hdev->reject_list, &hcon->dst, dst_type))  in l2cap_connect_cfm()
8257 	pchan = l2cap_global_fixed_chan(NULL, hcon);  in l2cap_connect_cfm()
8268 			bacpy(&chan->src, &hcon->src);  in l2cap_connect_cfm()
8269 			bacpy(&chan->dst, &hcon->dst);  in l2cap_connect_cfm()
8270 			chan->src_type = bdaddr_src_type(hcon);  in l2cap_connect_cfm()
8278 		next = l2cap_global_fixed_chan(pchan, hcon);  in l2cap_connect_cfm()
8286 int l2cap_disconn_ind(struct hci_conn *hcon)  in l2cap_disconn_ind()  argument
8288 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_disconn_ind()
8290 	BT_DBG("hcon %p", hcon);  in l2cap_disconn_ind()
8297 static void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason)  in l2cap_disconn_cfm()  argument
8299 	if (hcon->type != ACL_LINK && hcon->type != LE_LINK)  in l2cap_disconn_cfm()
8302 	BT_DBG("hcon %p reason %d", hcon, reason);  in l2cap_disconn_cfm()
8304 	l2cap_conn_del(hcon, bt_to_errno(reason));  in l2cap_disconn_cfm()
8324 static void l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)  in l2cap_security_cfm()  argument
8326 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_security_cfm()
8348 			chan->sec_level = hcon->sec_level;  in l2cap_security_cfm()
8364 			if (!status && l2cap_check_enc_key_size(hcon))  in l2cap_security_cfm()
8374 			if (!status && l2cap_check_enc_key_size(hcon)) {  in l2cap_security_cfm()
8480 void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags)  in l2cap_recv_acldata()  argument
8482 	struct l2cap_conn *conn = hcon->l2cap_data;  in l2cap_recv_acldata()
8486 	if (!conn && hcon->hdev->dev_type != HCI_PRIMARY)  in l2cap_recv_acldata()
8490 		conn = l2cap_conn_add(hcon);  in l2cap_recv_acldata()