Lines Matching refs:conn
63 static void hci_connect_le_scan_cleanup(struct hci_conn *conn)
66 struct hci_dev *hdev = conn->hdev;
71 bdaddr = &conn->dst;
72 bdaddr_type = conn->dst_type;
114 static void hci_conn_cleanup(struct hci_conn *conn)
116 struct hci_dev *hdev = conn->hdev;
118 if (test_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags))
119 hci_conn_params_del(conn->hdev, &conn->dst, conn->dst_type);
121 hci_chan_list_flush(conn);
123 hci_conn_hash_del(hdev, conn);
125 if (conn->type == SCO_LINK || conn->type == ESCO_LINK) {
126 switch (conn->setting & SCO_AIRMODE_MASK) {
138 debugfs_remove_recursive(conn->debugfs);
140 hci_conn_del_sysfs(conn);
147 struct hci_conn *conn = container_of(work, struct hci_conn,
149 struct hci_dev *hdev = conn->hdev;
152 BT_DBG("%s hcon %p", hdev->name, conn);
159 if (c == conn)
164 if (c == conn) {
165 hci_connect_le_scan_cleanup(conn);
166 hci_conn_cleanup(conn);
171 hci_conn_put(conn);
174 static void hci_connect_le_scan_remove(struct hci_conn *conn)
176 BT_DBG("%s hcon %p", conn->hdev->name, conn);
180 * hci_dev_lock and doing cancel_delayed_work_sync(&conn->disc_work).
186 hci_dev_hold(conn->hdev);
187 hci_conn_get(conn);
193 schedule_work(&conn->le_scan_cleanup);
196 static void hci_acl_create_connection(struct hci_conn *conn)
198 struct hci_dev *hdev = conn->hdev;
202 BT_DBG("hcon %p", conn);
204 conn->state = BT_CONNECT;
205 conn->out = true;
206 conn->role = HCI_ROLE_MASTER;
208 conn->attempt++;
210 conn->link_policy = hdev->link_policy;
213 bacpy(&cp.bdaddr, &conn->dst);
216 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
225 memcpy(conn->dev_class, ie->data.dev_class, 3);
228 cp.pkt_type = cpu_to_le16(conn->pkt_type);
237 int hci_disconnect(struct hci_conn *conn, __u8 reason)
239 BT_DBG("hcon %p", conn);
246 if (conn->type == ACL_LINK && conn->role == HCI_ROLE_MASTER &&
247 (conn->state == BT_CONNECTED || conn->state == BT_CONFIG)) {
248 struct hci_dev *hdev = conn->hdev;
251 clkoff_cp.handle = cpu_to_le16(conn->handle);
256 return hci_abort_conn(conn, reason);
259 static void hci_add_sco(struct hci_conn *conn, __u16 handle)
261 struct hci_dev *hdev = conn->hdev;
264 BT_DBG("hcon %p", conn);
266 conn->state = BT_CONNECT;
267 conn->out = true;
269 conn->attempt++;
272 cp.pkt_type = cpu_to_le16(conn->pkt_type);
277 bool hci_setup_sync(struct hci_conn *conn, __u16 handle)
279 struct hci_dev *hdev = conn->hdev;
283 BT_DBG("hcon %p", conn);
285 conn->state = BT_CONNECT;
286 conn->out = true;
288 conn->attempt++;
294 cp.voice_setting = cpu_to_le16(conn->setting);
296 switch (conn->setting & SCO_AIRMODE_MASK) {
298 if (conn->attempt > ARRAY_SIZE(esco_param_msbc))
300 param = &esco_param_msbc[conn->attempt - 1];
303 if (lmp_esco_capable(conn->link)) {
304 if (conn->attempt > ARRAY_SIZE(esco_param_cvsd))
306 param = &esco_param_cvsd[conn->attempt - 1];
308 if (conn->attempt > ARRAY_SIZE(sco_param_cvsd))
310 param = &sco_param_cvsd[conn->attempt - 1];
327 u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency,
330 struct hci_dev *hdev = conn->hdev;
336 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
347 cp.handle = cpu_to_le16(conn->handle);
363 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand,
366 struct hci_dev *hdev = conn->hdev;
369 BT_DBG("hcon %p", conn);
373 cp.handle = cpu_to_le16(conn->handle);
382 void hci_sco_setup(struct hci_conn *conn, __u8 status)
384 struct hci_conn *sco = conn->link;
389 BT_DBG("hcon %p", conn);
392 if (lmp_esco_capable(conn->hdev))
393 hci_setup_sync(sco, conn->handle);
395 hci_add_sco(sco, conn->handle);
404 struct hci_conn *conn = container_of(work, struct hci_conn,
406 int refcnt = atomic_read(&conn->refcnt);
408 BT_DBG("hcon %p state %s", conn, state_to_string(conn->state));
414 * l2cap_chan_del for each channel, and inside l2cap_chan_del conn is
416 * conn. For now make sure that ACL is alive if refcnt is higher then 0,
423 if (conn->state == BT_CONNECT && conn->type == LE_LINK &&
424 test_bit(HCI_CONN_SCANNING, &conn->flags)) {
425 hci_connect_le_scan_remove(conn);
429 hci_abort_conn(conn, hci_proto_disconn_ind(conn));
435 struct hci_conn *conn = container_of(work, struct hci_conn,
437 struct hci_dev *hdev = conn->hdev;
439 BT_DBG("hcon %p mode %d", conn, conn->mode);
441 if (!lmp_sniff_capable(hdev) || !lmp_sniff_capable(conn))
444 if (conn->mode != HCI_CM_ACTIVE || !(conn->link_policy & HCI_LP_SNIFF))
447 if (lmp_sniffsubr_capable(hdev) && lmp_sniffsubr_capable(conn)) {
449 cp.handle = cpu_to_le16(conn->handle);
456 if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags)) {
458 cp.handle = cpu_to_le16(conn->handle);
469 struct hci_conn *conn = container_of(work, struct hci_conn,
472 hci_send_cmd(conn->hdev, HCI_OP_USER_CONFIRM_REPLY, sizeof(conn->dst),
473 &conn->dst);
495 struct hci_conn *conn = container_of(work, struct hci_conn,
497 struct hci_dev *hdev = conn->hdev;
506 if (conn->role == HCI_ROLE_SLAVE) {
510 hci_le_conn_failed(conn, HCI_ERROR_ADVERTISING_TIMEOUT);
515 hci_abort_conn(conn, HCI_ERROR_REMOTE_USER_TERM);
521 struct hci_conn *conn;
525 conn = kzalloc(sizeof(*conn), GFP_KERNEL);
526 if (!conn)
529 bacpy(&conn->dst, dst);
530 bacpy(&conn->src, &hdev->bdaddr);
531 conn->hdev = hdev;
532 conn->type = type;
533 conn->role = role;
534 conn->mode = HCI_CM_ACTIVE;
535 conn->state = BT_OPEN;
536 conn->auth_type = HCI_AT_GENERAL_BONDING;
537 conn->io_capability = hdev->io_capability;
538 conn->remote_auth = 0xff;
539 conn->key_type = 0xff;
540 conn->rssi = HCI_RSSI_INVALID;
541 conn->tx_power = HCI_TX_POWER_INVALID;
542 conn->max_tx_power = HCI_TX_POWER_INVALID;
544 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
545 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
548 conn->auth_payload_timeout = DEFAULT_AUTH_PAYLOAD_TIMEOUT;
550 if (conn->role == HCI_ROLE_MASTER)
551 conn->out = true;
555 conn->pkt_type = hdev->pkt_type & ACL_PTYPE_MASK;
558 /* conn->src should reflect the local identity address */
559 hci_copy_identity_address(hdev, &conn->src, &conn->src_type);
563 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
566 conn->pkt_type = hdev->pkt_type & SCO_PTYPE_MASK;
569 conn->pkt_type = hdev->esco_type & ~EDR_ESCO_MASK;
573 skb_queue_head_init(&conn->data_q);
575 INIT_LIST_HEAD(&conn->chan_list);
577 INIT_DELAYED_WORK(&conn->disc_work, hci_conn_timeout);
578 INIT_DELAYED_WORK(&conn->auto_accept_work, hci_conn_auto_accept);
579 INIT_DELAYED_WORK(&conn->idle_work, hci_conn_idle);
580 INIT_DELAYED_WORK(&conn->le_conn_timeout, le_conn_timeout);
581 INIT_WORK(&conn->le_scan_cleanup, le_scan_cleanup);
583 atomic_set(&conn->refcnt, 0);
587 hci_conn_hash_add(hdev, conn);
593 if (conn->type != SCO_LINK && conn->type != ESCO_LINK) {
598 hci_conn_init_sysfs(conn);
600 return conn;
603 int hci_conn_del(struct hci_conn *conn)
605 struct hci_dev *hdev = conn->hdev;
607 BT_DBG("%s hcon %p handle %d", hdev->name, conn, conn->handle);
609 cancel_delayed_work_sync(&conn->disc_work);
610 cancel_delayed_work_sync(&conn->auto_accept_work);
611 cancel_delayed_work_sync(&conn->idle_work);
613 if (conn->type == ACL_LINK) {
614 struct hci_conn *sco = conn->link;
619 hdev->acl_cnt += conn->sent;
620 } else if (conn->type == LE_LINK) {
621 cancel_delayed_work(&conn->le_conn_timeout);
624 hdev->le_cnt += conn->sent;
626 hdev->acl_cnt += conn->sent;
628 struct hci_conn *acl = conn->link;
635 if (conn->amp_mgr)
636 amp_mgr_put(conn->amp_mgr);
638 skb_queue_purge(&conn->data_q);
645 hci_conn_cleanup(conn);
712 void hci_le_conn_failed(struct hci_conn *conn, u8 status)
714 struct hci_dev *hdev = conn->hdev;
717 params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst,
718 conn->dst_type);
719 if (params && params->conn) {
720 hci_conn_drop(params->conn);
721 hci_conn_put(params->conn);
722 params->conn = NULL;
725 conn->state = BT_CLOSED;
735 mgmt_connect_failed(hdev, &conn->dst, conn->type,
736 conn->dst_type, status);
738 hci_connect_cfm(conn, status);
740 hci_conn_del(conn);
755 struct hci_conn *conn;
759 conn = hci_lookup_le_connect(hdev);
762 hci_connect_le_scan_cleanup(conn);
769 if (!conn)
772 hci_le_conn_failed(conn, status);
778 static bool conn_use_rpa(struct hci_conn *conn)
780 struct hci_dev *hdev = conn->hdev;
785 static void set_ext_conn_params(struct hci_conn *conn,
788 struct hci_dev *hdev = conn->hdev;
794 p->conn_interval_min = cpu_to_le16(conn->le_conn_min_interval);
795 p->conn_interval_max = cpu_to_le16(conn->le_conn_max_interval);
796 p->conn_latency = cpu_to_le16(conn->le_conn_latency);
797 p->supervision_timeout = cpu_to_le16(conn->le_supv_timeout);
803 struct hci_conn *conn,
806 struct hci_dev *hdev = conn->hdev;
823 if (hci_update_random_address(req, false, conn_use_rpa(conn),
839 bacpy(&cp->peer_addr, &conn->dst);
840 cp->peer_addr_type = conn->dst_type;
847 set_ext_conn_params(conn, p);
855 set_ext_conn_params(conn, p);
863 set_ext_conn_params(conn, p);
878 bacpy(&cp.peer_addr, &conn->dst);
879 cp.peer_addr_type = conn->dst_type;
881 cp.conn_interval_min = cpu_to_le16(conn->le_conn_min_interval);
882 cp.conn_interval_max = cpu_to_le16(conn->le_conn_max_interval);
883 cp.conn_latency = cpu_to_le16(conn->le_conn_latency);
884 cp.supervision_timeout = cpu_to_le16(conn->le_supv_timeout);
891 conn->state = BT_CONNECT;
892 clear_bit(HCI_CONN_SCANNING, &conn->flags);
896 struct hci_conn *conn)
909 if (hci_get_random_address(hdev, false, conn_use_rpa(conn), NULL,
923 cp.peer_addr_type = conn->dst_type;
924 bacpy(&cp.peer_addr, &conn->dst);
967 if (hci_update_random_address(req, false, conn_use_rpa(conn),
982 cp.direct_addr_type = conn->dst_type;
983 bacpy(&cp.direct_addr, &conn->dst);
993 conn->state = BT_CONNECT;
1001 struct hci_conn *conn;
1030 conn = hci_conn_hash_lookup_le(hdev, dst, dst_type);
1031 if (conn && !test_bit(HCI_CONN_SCANNING, &conn->flags)) {
1050 if (conn) {
1051 bacpy(&conn->dst, dst);
1053 conn = hci_conn_add(hdev, LE_LINK, dst, role);
1054 if (!conn)
1056 hci_conn_hold(conn);
1057 conn->pending_sec_level = sec_level;
1060 conn->dst_type = dst_type;
1061 conn->sec_level = BT_SECURITY_LOW;
1062 conn->conn_timeout = conn_timeout;
1076 if (conn->role == HCI_ROLE_SLAVE) {
1083 hci_conn_del(conn);
1087 hci_req_directed_advertising(&req, conn);
1091 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
1093 conn->le_conn_min_interval = params->conn_min_interval;
1094 conn->le_conn_max_interval = params->conn_max_interval;
1095 conn->le_conn_latency = params->conn_latency;
1096 conn->le_supv_timeout = params->supervision_timeout;
1098 conn->le_conn_min_interval = hdev->le_conn_min_interval;
1099 conn->le_conn_max_interval = hdev->le_conn_max_interval;
1100 conn->le_conn_latency = hdev->le_conn_latency;
1101 conn->le_supv_timeout = hdev->le_supv_timeout;
1115 hci_req_add_le_create_conn(&req, conn, direct_rpa);
1120 hci_conn_del(conn);
1124 return conn;
1129 struct hci_conn *conn;
1131 conn = hci_conn_hash_lookup_le(hdev, addr, type);
1132 if (!conn)
1135 if (conn->state != BT_CONNECTED)
1185 struct hci_conn *conn;
1204 conn = hci_conn_hash_lookup_le(hdev, dst, dst_type);
1205 if (conn) {
1206 if (conn->pending_sec_level < sec_level)
1207 conn->pending_sec_level = sec_level;
1213 conn = hci_conn_add(hdev, LE_LINK, dst, HCI_ROLE_MASTER);
1214 if (!conn)
1218 hci_conn_del(conn);
1222 conn->state = BT_CONNECT;
1223 set_bit(HCI_CONN_SCANNING, &conn->flags);
1224 conn->dst_type = dst_type;
1225 conn->sec_level = BT_SECURITY_LOW;
1226 conn->pending_sec_level = sec_level;
1227 conn->conn_timeout = conn_timeout;
1228 conn->conn_reason = conn_reason;
1233 hci_conn_hold(conn);
1234 return conn;
1324 int hci_conn_check_link_mode(struct hci_conn *conn)
1326 BT_DBG("hcon %p", conn);
1332 if (hci_dev_test_flag(conn->hdev, HCI_SC_ONLY)) {
1333 if (!hci_conn_sc_enabled(conn) ||
1334 !test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
1335 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)
1349 if (conn->sec_level == BT_SECURITY_FIPS &&
1350 !test_bit(HCI_CONN_AES_CCM, &conn->flags)) {
1351 bt_dev_err(conn->hdev,
1356 if (hci_conn_ssp_enabled(conn) &&
1357 !test_bit(HCI_CONN_ENCRYPT, &conn->flags))
1364 static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
1366 BT_DBG("hcon %p", conn);
1368 if (conn->pending_sec_level > sec_level)
1369 sec_level = conn->pending_sec_level;
1371 if (sec_level > conn->sec_level)
1372 conn->pending_sec_level = sec_level;
1373 else if (test_bit(HCI_CONN_AUTH, &conn->flags))
1377 auth_type |= (conn->auth_type & 0x01);
1379 conn->auth_type = auth_type;
1381 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
1384 cp.handle = cpu_to_le16(conn->handle);
1385 hci_send_cmd(conn->hdev, HCI_OP_AUTH_REQUESTED,
1391 if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags))
1392 set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
1399 static void hci_conn_encrypt(struct hci_conn *conn)
1401 BT_DBG("hcon %p", conn);
1403 if (!test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
1405 cp.handle = cpu_to_le16(conn->handle);
1407 hci_send_cmd(conn->hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
1413 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type,
1416 BT_DBG("hcon %p", conn);
1418 if (conn->type == LE_LINK)
1419 return smp_conn_security(conn, sec_level);
1427 if (sec_level == BT_SECURITY_LOW && !hci_conn_ssp_enabled(conn))
1431 if (!test_bit(HCI_CONN_AUTH, &conn->flags))
1434 switch (conn->key_type) {
1463 if (sec_level <= BT_SECURITY_MEDIUM || conn->pin_length == 16)
1471 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
1475 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
1477 if (!hci_conn_auth(conn, sec_level, auth_type))
1481 if (test_bit(HCI_CONN_ENCRYPT, &conn->flags)) {
1485 if (!conn->enc_key_size)
1492 hci_conn_encrypt(conn);
1498 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level)
1500 BT_DBG("hcon %p", conn);
1507 if (conn->sec_level == BT_SECURITY_HIGH ||
1508 conn->sec_level == BT_SECURITY_FIPS)
1517 int hci_conn_switch_role(struct hci_conn *conn, __u8 role)
1519 BT_DBG("hcon %p", conn);
1521 if (role == conn->role)
1524 if (!test_and_set_bit(HCI_CONN_RSWITCH_PEND, &conn->flags)) {
1526 bacpy(&cp.bdaddr, &conn->dst);
1528 hci_send_cmd(conn->hdev, HCI_OP_SWITCH_ROLE, sizeof(cp), &cp);
1536 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active)
1538 struct hci_dev *hdev = conn->hdev;
1540 BT_DBG("hcon %p mode %d", conn, conn->mode);
1542 if (conn->mode != HCI_CM_SNIFF)
1545 if (!test_bit(HCI_CONN_POWER_SAVE, &conn->flags) && !force_active)
1548 if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags)) {
1550 cp.handle = cpu_to_le16(conn->handle);
1556 queue_delayed_work(hdev->workqueue, &conn->idle_work,
1579 struct hci_conn *conn;
1585 conn = hci_conn_hash_lookup_state(hdev, ACL_LINK, BT_CONNECT2);
1586 if (conn)
1587 hci_acl_create_connection(conn);
1592 static u32 get_link_mode(struct hci_conn *conn)
1596 if (conn->role == HCI_ROLE_MASTER)
1599 if (test_bit(HCI_CONN_ENCRYPT, &conn->flags))
1602 if (test_bit(HCI_CONN_AUTH, &conn->flags))
1605 if (test_bit(HCI_CONN_SECURE, &conn->flags))
1608 if (test_bit(HCI_CONN_FIPS, &conn->flags))
1671 struct hci_conn *conn;
1678 conn = hci_conn_hash_lookup_ba(hdev, req.type, &req.bdaddr);
1679 if (conn) {
1680 bacpy(&ci.bdaddr, &conn->dst);
1681 ci.handle = conn->handle;
1682 ci.type = conn->type;
1683 ci.out = conn->out;
1684 ci.state = conn->state;
1685 ci.link_mode = get_link_mode(conn);
1689 if (!conn)
1698 struct hci_conn *conn;
1704 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &req.bdaddr);
1705 if (conn)
1706 req.type = conn->auth_type;
1709 if (!conn)
1715 struct hci_chan *hci_chan_create(struct hci_conn *conn)
1717 struct hci_dev *hdev = conn->hdev;
1720 BT_DBG("%s hcon %p", hdev->name, conn);
1722 if (test_bit(HCI_CONN_DROP, &conn->flags)) {
1731 chan->conn = hci_conn_get(conn);
1735 list_add_rcu(&chan->list, &conn->chan_list);
1742 struct hci_conn *conn = chan->conn;
1743 struct hci_dev *hdev = conn->hdev;
1745 BT_DBG("%s hcon %p chan %p", hdev->name, conn, chan);
1752 set_bit(HCI_CONN_DROP, &conn->flags);
1754 hci_conn_put(conn);
1760 void hci_chan_list_flush(struct hci_conn *conn)
1764 BT_DBG("hcon %p", conn);
1766 list_for_each_entry_safe(chan, n, &conn->chan_list, list)
1802 u32 hci_conn_get_phy(struct hci_conn *conn)
1810 switch (conn->type) {
1825 if (conn->pkt_type & (HCI_DM3 | HCI_DH3))
1828 if (conn->pkt_type & (HCI_DM5 | HCI_DH5))
1834 if (!(conn->pkt_type & HCI_2DH1))
1837 if (!(conn->pkt_type & HCI_2DH3))
1840 if (!(conn->pkt_type & HCI_2DH5))
1846 if (!(conn->pkt_type & HCI_3DH1))
1849 if (!(conn->pkt_type & HCI_3DH3))
1852 if (!(conn->pkt_type & HCI_3DH5))
1861 if (!(conn->pkt_type & (ESCO_EV4 | ESCO_EV5)))
1865 if (!(conn->pkt_type & ESCO_2EV3))
1868 if (!(conn->pkt_type & ESCO_2EV5))
1872 if (!(conn->pkt_type & ESCO_3EV3))
1875 if (!(conn->pkt_type & ESCO_3EV5))
1881 if (conn->le_tx_phy & HCI_LE_SET_PHY_1M)
1884 if (conn->le_rx_phy & HCI_LE_SET_PHY_1M)
1887 if (conn->le_tx_phy & HCI_LE_SET_PHY_2M)
1890 if (conn->le_rx_phy & HCI_LE_SET_PHY_2M)
1893 if (conn->le_tx_phy & HCI_LE_SET_PHY_CODED)
1896 if (conn->le_rx_phy & HCI_LE_SET_PHY_CODED)