Lines Matching full:conn
48 struct hci_conn *conn; member
71 static void hci_connect_le_scan_cleanup(struct hci_conn *conn, u8 status) in hci_connect_le_scan_cleanup() argument
74 struct hci_dev *hdev = conn->hdev; in hci_connect_le_scan_cleanup()
79 bdaddr = &conn->dst; in hci_connect_le_scan_cleanup()
80 bdaddr_type = conn->dst_type; in hci_connect_le_scan_cleanup()
94 if (params->conn) { in hci_connect_le_scan_cleanup()
95 hci_conn_drop(params->conn); in hci_connect_le_scan_cleanup()
96 hci_conn_put(params->conn); in hci_connect_le_scan_cleanup()
97 params->conn = NULL; in hci_connect_le_scan_cleanup()
110 mgmt_connect_failed(hdev, &conn->dst, conn->type, in hci_connect_le_scan_cleanup()
111 conn->dst_type, status); in hci_connect_le_scan_cleanup()
141 static void hci_conn_cleanup(struct hci_conn *conn) in hci_conn_cleanup() argument
143 struct hci_dev *hdev = conn->hdev; in hci_conn_cleanup()
145 if (test_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags)) in hci_conn_cleanup()
146 hci_conn_params_del(conn->hdev, &conn->dst, conn->dst_type); in hci_conn_cleanup()
148 if (test_and_clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags)) in hci_conn_cleanup()
149 hci_remove_link_key(hdev, &conn->dst); in hci_conn_cleanup()
151 hci_chan_list_flush(conn); in hci_conn_cleanup()
153 hci_conn_hash_del(hdev, conn); in hci_conn_cleanup()
155 if (HCI_CONN_HANDLE_UNSET(conn->handle)) in hci_conn_cleanup()
156 ida_free(&hdev->unset_handle_ida, conn->handle); in hci_conn_cleanup()
158 if (conn->cleanup) in hci_conn_cleanup()
159 conn->cleanup(conn); in hci_conn_cleanup()
161 if (conn->type == SCO_LINK || conn->type == ESCO_LINK) { in hci_conn_cleanup()
162 switch (conn->setting & SCO_AIRMODE_MASK) { in hci_conn_cleanup()
174 debugfs_remove_recursive(conn->debugfs); in hci_conn_cleanup()
176 hci_conn_del_sysfs(conn); in hci_conn_cleanup()
181 static void hci_acl_create_connection(struct hci_conn *conn) in hci_acl_create_connection() argument
183 struct hci_dev *hdev = conn->hdev; in hci_acl_create_connection()
187 BT_DBG("hcon %p", conn); in hci_acl_create_connection()
201 conn->state = BT_CONNECT2; in hci_acl_create_connection()
206 conn->state = BT_CONNECT; in hci_acl_create_connection()
207 conn->out = true; in hci_acl_create_connection()
208 conn->role = HCI_ROLE_MASTER; in hci_acl_create_connection()
210 conn->attempt++; in hci_acl_create_connection()
212 conn->link_policy = hdev->link_policy; in hci_acl_create_connection()
215 bacpy(&cp.bdaddr, &conn->dst); in hci_acl_create_connection()
218 ie = hci_inquiry_cache_lookup(hdev, &conn->dst); in hci_acl_create_connection()
227 memcpy(conn->dev_class, ie->data.dev_class, 3); in hci_acl_create_connection()
230 cp.pkt_type = cpu_to_le16(conn->pkt_type); in hci_acl_create_connection()
239 int hci_disconnect(struct hci_conn *conn, __u8 reason) in hci_disconnect() argument
241 BT_DBG("hcon %p", conn); in hci_disconnect()
248 if (conn->type == ACL_LINK && conn->role == HCI_ROLE_MASTER && in hci_disconnect()
249 (conn->state == BT_CONNECTED || conn->state == BT_CONFIG)) { in hci_disconnect()
250 struct hci_dev *hdev = conn->hdev; in hci_disconnect()
253 clkoff_cp.handle = cpu_to_le16(conn->handle); in hci_disconnect()
258 return hci_abort_conn(conn, reason); in hci_disconnect()
261 static void hci_add_sco(struct hci_conn *conn, __u16 handle) in hci_add_sco() argument
263 struct hci_dev *hdev = conn->hdev; in hci_add_sco()
266 BT_DBG("hcon %p", conn); in hci_add_sco()
268 conn->state = BT_CONNECT; in hci_add_sco()
269 conn->out = true; in hci_add_sco()
271 conn->attempt++; in hci_add_sco()
274 cp.pkt_type = cpu_to_le16(conn->pkt_type); in hci_add_sco()
279 static bool find_next_esco_param(struct hci_conn *conn, in find_next_esco_param() argument
282 if (!conn->parent) in find_next_esco_param()
285 for (; conn->attempt <= size; conn->attempt++) { in find_next_esco_param()
286 if (lmp_esco_2m_capable(conn->parent) || in find_next_esco_param()
287 (esco_param[conn->attempt - 1].pkt_type & ESCO_2EV3)) in find_next_esco_param()
290 conn, conn->attempt); in find_next_esco_param()
293 return conn->attempt <= size; in find_next_esco_param()
338 struct hci_conn *conn = conn_handle->conn; in hci_enhanced_setup_sync() local
345 bt_dev_dbg(hdev, "hcon %p", conn); in hci_enhanced_setup_sync()
348 if (conn->codec.data_path) in hci_enhanced_setup_sync()
349 configure_datapath_sync(hdev, &conn->codec); in hci_enhanced_setup_sync()
351 conn->state = BT_CONNECT; in hci_enhanced_setup_sync()
352 conn->out = true; in hci_enhanced_setup_sync()
354 conn->attempt++; in hci_enhanced_setup_sync()
363 switch (conn->codec.id) { in hci_enhanced_setup_sync()
365 if (!find_next_esco_param(conn, esco_param_msbc, in hci_enhanced_setup_sync()
369 param = &esco_param_msbc[conn->attempt - 1]; in hci_enhanced_setup_sync()
384 cp.in_data_path = conn->codec.data_path; in hci_enhanced_setup_sync()
385 cp.out_data_path = conn->codec.data_path; in hci_enhanced_setup_sync()
391 if (!find_next_esco_param(conn, esco_param_msbc, in hci_enhanced_setup_sync()
394 param = &esco_param_msbc[conn->attempt - 1]; in hci_enhanced_setup_sync()
409 cp.in_data_path = conn->codec.data_path; in hci_enhanced_setup_sync()
410 cp.out_data_path = conn->codec.data_path; in hci_enhanced_setup_sync()
416 if (conn->parent && lmp_esco_capable(conn->parent)) { in hci_enhanced_setup_sync()
417 if (!find_next_esco_param(conn, esco_param_cvsd, in hci_enhanced_setup_sync()
420 param = &esco_param_cvsd[conn->attempt - 1]; in hci_enhanced_setup_sync()
422 if (conn->attempt > ARRAY_SIZE(sco_param_cvsd)) in hci_enhanced_setup_sync()
424 param = &sco_param_cvsd[conn->attempt - 1]; in hci_enhanced_setup_sync()
440 cp.in_data_path = conn->codec.data_path; in hci_enhanced_setup_sync()
441 cp.out_data_path = conn->codec.data_path; in hci_enhanced_setup_sync()
459 static bool hci_setup_sync_conn(struct hci_conn *conn, __u16 handle) in hci_setup_sync_conn() argument
461 struct hci_dev *hdev = conn->hdev; in hci_setup_sync_conn()
465 bt_dev_dbg(hdev, "hcon %p", conn); in hci_setup_sync_conn()
467 conn->state = BT_CONNECT; in hci_setup_sync_conn()
468 conn->out = true; in hci_setup_sync_conn()
470 conn->attempt++; in hci_setup_sync_conn()
476 cp.voice_setting = cpu_to_le16(conn->setting); in hci_setup_sync_conn()
478 switch (conn->setting & SCO_AIRMODE_MASK) { in hci_setup_sync_conn()
480 if (!find_next_esco_param(conn, esco_param_msbc, in hci_setup_sync_conn()
483 param = &esco_param_msbc[conn->attempt - 1]; in hci_setup_sync_conn()
486 if (conn->parent && lmp_esco_capable(conn->parent)) { in hci_setup_sync_conn()
487 if (!find_next_esco_param(conn, esco_param_cvsd, in hci_setup_sync_conn()
490 param = &esco_param_cvsd[conn->attempt - 1]; in hci_setup_sync_conn()
492 if (conn->attempt > ARRAY_SIZE(sco_param_cvsd)) in hci_setup_sync_conn()
494 param = &sco_param_cvsd[conn->attempt - 1]; in hci_setup_sync_conn()
511 bool hci_setup_sync(struct hci_conn *conn, __u16 handle) in hci_setup_sync() argument
516 if (enhanced_sync_conn_capable(conn->hdev)) { in hci_setup_sync()
522 conn_handle->conn = conn; in hci_setup_sync()
524 result = hci_cmd_sync_queue(conn->hdev, hci_enhanced_setup_sync, in hci_setup_sync()
532 return hci_setup_sync_conn(conn, handle); in hci_setup_sync()
535 u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, in hci_le_conn_update() argument
538 struct hci_dev *hdev = conn->hdev; in hci_le_conn_update()
544 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type); in hci_le_conn_update()
555 cp.handle = cpu_to_le16(conn->handle); in hci_le_conn_update()
571 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, in hci_le_start_enc() argument
574 struct hci_dev *hdev = conn->hdev; in hci_le_start_enc()
577 BT_DBG("hcon %p", conn); in hci_le_start_enc()
581 cp.handle = cpu_to_le16(conn->handle); in hci_le_start_enc()
590 void hci_sco_setup(struct hci_conn *conn, __u8 status) in hci_sco_setup() argument
594 link = list_first_entry_or_null(&conn->link_list, struct hci_link, list); in hci_sco_setup()
595 if (!link || !link->conn) in hci_sco_setup()
598 BT_DBG("hcon %p", conn); in hci_sco_setup()
601 if (lmp_esco_capable(conn->hdev)) in hci_sco_setup()
602 hci_setup_sync(link->conn, conn->handle); in hci_sco_setup()
604 hci_add_sco(link->conn, conn->handle); in hci_sco_setup()
606 hci_connect_cfm(link->conn, status); in hci_sco_setup()
607 hci_conn_del(link->conn); in hci_sco_setup()
613 struct hci_conn *conn = container_of(work, struct hci_conn, in hci_conn_timeout() local
615 int refcnt = atomic_read(&conn->refcnt); in hci_conn_timeout()
617 BT_DBG("hcon %p state %s", conn, state_to_string(conn->state)); in hci_conn_timeout()
623 * l2cap_chan_del for each channel, and inside l2cap_chan_del conn is in hci_conn_timeout()
625 * conn. For now make sure that ACL is alive if refcnt is higher then 0, in hci_conn_timeout()
631 hci_abort_conn(conn, hci_proto_disconn_ind(conn)); in hci_conn_timeout()
637 struct hci_conn *conn = container_of(work, struct hci_conn, in hci_conn_idle() local
639 struct hci_dev *hdev = conn->hdev; in hci_conn_idle()
641 BT_DBG("hcon %p mode %d", conn, conn->mode); in hci_conn_idle()
643 if (!lmp_sniff_capable(hdev) || !lmp_sniff_capable(conn)) in hci_conn_idle()
646 if (conn->mode != HCI_CM_ACTIVE || !(conn->link_policy & HCI_LP_SNIFF)) in hci_conn_idle()
649 if (lmp_sniffsubr_capable(hdev) && lmp_sniffsubr_capable(conn)) { in hci_conn_idle()
651 cp.handle = cpu_to_le16(conn->handle); in hci_conn_idle()
658 if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags)) { in hci_conn_idle()
660 cp.handle = cpu_to_le16(conn->handle); in hci_conn_idle()
671 struct hci_conn *conn = container_of(work, struct hci_conn, in hci_conn_auto_accept() local
674 hci_send_cmd(conn->hdev, HCI_OP_USER_CONFIRM_REPLY, sizeof(conn->dst), in hci_conn_auto_accept()
675 &conn->dst); in hci_conn_auto_accept()
697 struct hci_conn *conn = container_of(work, struct hci_conn, in le_conn_timeout() local
699 struct hci_dev *hdev = conn->hdev; in le_conn_timeout()
708 if (conn->role == HCI_ROLE_SLAVE) { in le_conn_timeout()
712 hci_conn_failed(conn, HCI_ERROR_ADVERTISING_TIMEOUT); in le_conn_timeout()
717 hci_abort_conn(conn, HCI_ERROR_REMOTE_USER_TERM); in le_conn_timeout()
741 static void bis_list(struct hci_conn *conn, void *data) in bis_list() argument
746 if (bacmp(&conn->dst, BDADDR_ANY)) in bis_list()
749 if (d->big != conn->iso_qos.bcast.big || d->bis == BT_ISO_QOS_BIS_UNSET || in bis_list()
750 d->bis != conn->iso_qos.bcast.bis) in bis_list()
777 static int hci_le_terminate_big(struct hci_dev *hdev, struct hci_conn *conn) in hci_le_terminate_big() argument
782 bt_dev_dbg(hdev, "big 0x%2.2x bis 0x%2.2x", conn->iso_qos.bcast.big, in hci_le_terminate_big()
783 conn->iso_qos.bcast.bis); in hci_le_terminate_big()
789 d->big = conn->iso_qos.bcast.big; in hci_le_terminate_big()
790 d->bis = conn->iso_qos.bcast.bis; in hci_le_terminate_big()
791 d->big_term = test_and_clear_bit(HCI_CONN_BIG_CREATED, &conn->flags); in hci_le_terminate_big()
817 static int hci_le_big_terminate(struct hci_dev *hdev, u8 big, struct hci_conn *conn) in hci_le_big_terminate() argument
822 bt_dev_dbg(hdev, "big 0x%2.2x sync_handle 0x%4.4x", big, conn->sync_handle); in hci_le_big_terminate()
829 d->sync_handle = conn->sync_handle; in hci_le_big_terminate()
830 d->pa_sync_term = test_and_clear_bit(HCI_CONN_PA_SYNC, &conn->flags); in hci_le_big_terminate()
831 d->big_sync_term = test_and_clear_bit(HCI_CONN_BIG_SYNC, &conn->flags); in hci_le_big_terminate()
847 static void bis_cleanup(struct hci_conn *conn) in bis_cleanup() argument
849 struct hci_dev *hdev = conn->hdev; in bis_cleanup()
852 bt_dev_dbg(hdev, "conn %p", conn); in bis_cleanup()
854 if (conn->role == HCI_ROLE_MASTER) { in bis_cleanup()
855 if (!test_and_clear_bit(HCI_CONN_PER_ADV, &conn->flags)) in bis_cleanup()
861 bis = hci_conn_hash_lookup_big(hdev, conn->iso_qos.bcast.big); in bis_cleanup()
865 hci_le_terminate_big(hdev, conn); in bis_cleanup()
868 conn->iso_qos.bcast.big); in bis_cleanup()
873 hci_le_big_terminate(hdev, conn->iso_qos.bcast.big, in bis_cleanup()
874 conn); in bis_cleanup()
893 static void find_cis(struct hci_conn *conn, void *data) in find_cis() argument
898 if (!bacmp(&conn->dst, BDADDR_ANY) || d->cig != conn->iso_qos.ucast.cig) in find_cis()
908 static void cis_cleanup(struct hci_conn *conn) in cis_cleanup() argument
910 struct hci_dev *hdev = conn->hdev; in cis_cleanup()
913 if (conn->iso_qos.ucast.cig == BT_ISO_QOS_CIG_UNSET) in cis_cleanup()
917 d.cig = conn->iso_qos.ucast.cig; in cis_cleanup()
928 hci_le_remove_cig(hdev, conn->iso_qos.ucast.cig); in cis_cleanup()
940 struct hci_conn *conn; in hci_conn_add() local
944 conn = kzalloc(sizeof(*conn), GFP_KERNEL); in hci_conn_add()
945 if (!conn) in hci_conn_add()
948 bacpy(&conn->dst, dst); in hci_conn_add()
949 bacpy(&conn->src, &hdev->bdaddr); in hci_conn_add()
950 conn->handle = handle; in hci_conn_add()
951 conn->hdev = hdev; in hci_conn_add()
952 conn->type = type; in hci_conn_add()
953 conn->role = role; in hci_conn_add()
954 conn->mode = HCI_CM_ACTIVE; in hci_conn_add()
955 conn->state = BT_OPEN; in hci_conn_add()
956 conn->auth_type = HCI_AT_GENERAL_BONDING; in hci_conn_add()
957 conn->io_capability = hdev->io_capability; in hci_conn_add()
958 conn->remote_auth = 0xff; in hci_conn_add()
959 conn->key_type = 0xff; in hci_conn_add()
960 conn->rssi = HCI_RSSI_INVALID; in hci_conn_add()
961 conn->tx_power = HCI_TX_POWER_INVALID; in hci_conn_add()
962 conn->max_tx_power = HCI_TX_POWER_INVALID; in hci_conn_add()
963 conn->sync_handle = HCI_SYNC_HANDLE_INVALID; in hci_conn_add()
965 set_bit(HCI_CONN_POWER_SAVE, &conn->flags); in hci_conn_add()
966 conn->disc_timeout = HCI_DISCONN_TIMEOUT; in hci_conn_add()
969 conn->auth_payload_timeout = DEFAULT_AUTH_PAYLOAD_TIMEOUT; in hci_conn_add()
971 if (conn->role == HCI_ROLE_MASTER) in hci_conn_add()
972 conn->out = true; in hci_conn_add()
976 conn->pkt_type = hdev->pkt_type & ACL_PTYPE_MASK; in hci_conn_add()
979 /* conn->src should reflect the local identity address */ in hci_conn_add()
980 hci_copy_identity_address(hdev, &conn->src, &conn->src_type); in hci_conn_add()
983 /* conn->src should reflect the local identity address */ in hci_conn_add()
984 hci_copy_identity_address(hdev, &conn->src, &conn->src_type); in hci_conn_add()
988 conn->cleanup = bis_cleanup; in hci_conn_add()
989 else if (conn->role == HCI_ROLE_MASTER) in hci_conn_add()
990 conn->cleanup = cis_cleanup; in hci_conn_add()
995 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) | in hci_conn_add()
998 conn->pkt_type = hdev->pkt_type & SCO_PTYPE_MASK; in hci_conn_add()
1001 conn->pkt_type = hdev->esco_type & ~EDR_ESCO_MASK; in hci_conn_add()
1005 skb_queue_head_init(&conn->data_q); in hci_conn_add()
1007 INIT_LIST_HEAD(&conn->chan_list); in hci_conn_add()
1008 INIT_LIST_HEAD(&conn->link_list); in hci_conn_add()
1010 INIT_DELAYED_WORK(&conn->disc_work, hci_conn_timeout); in hci_conn_add()
1011 INIT_DELAYED_WORK(&conn->auto_accept_work, hci_conn_auto_accept); in hci_conn_add()
1012 INIT_DELAYED_WORK(&conn->idle_work, hci_conn_idle); in hci_conn_add()
1013 INIT_DELAYED_WORK(&conn->le_conn_timeout, le_conn_timeout); in hci_conn_add()
1015 atomic_set(&conn->refcnt, 0); in hci_conn_add()
1019 hci_conn_hash_add(hdev, conn); in hci_conn_add()
1025 if (conn->type != SCO_LINK && conn->type != ESCO_LINK) { in hci_conn_add()
1030 hci_conn_init_sysfs(conn); in hci_conn_add()
1032 return conn; in hci_conn_add()
1049 static void hci_conn_cleanup_child(struct hci_conn *conn, u8 reason) in hci_conn_cleanup_child() argument
1054 /* Due to race, SCO/ISO conn might be not established yet at this point, in hci_conn_cleanup_child()
1058 switch (conn->type) { in hci_conn_cleanup_child()
1061 if (HCI_CONN_HANDLE_UNSET(conn->handle)) in hci_conn_cleanup_child()
1062 hci_conn_failed(conn, reason); in hci_conn_cleanup_child()
1065 if (conn->state != BT_CONNECTED && in hci_conn_cleanup_child()
1066 !test_bit(HCI_CONN_CREATE_CIS, &conn->flags)) in hci_conn_cleanup_child()
1067 hci_conn_failed(conn, reason); in hci_conn_cleanup_child()
1072 static void hci_conn_unlink(struct hci_conn *conn) in hci_conn_unlink() argument
1074 struct hci_dev *hdev = conn->hdev; in hci_conn_unlink()
1076 bt_dev_dbg(hdev, "hcon %p", conn); in hci_conn_unlink()
1078 if (!conn->parent) { in hci_conn_unlink()
1081 list_for_each_entry_safe(link, t, &conn->link_list, list) { in hci_conn_unlink()
1082 struct hci_conn *child = link->conn; in hci_conn_unlink()
1094 hci_conn_cleanup_child(child, conn->abort_reason); in hci_conn_unlink()
1100 if (!conn->link) in hci_conn_unlink()
1103 list_del_rcu(&conn->link->list); in hci_conn_unlink()
1106 hci_conn_drop(conn->parent); in hci_conn_unlink()
1107 hci_conn_put(conn->parent); in hci_conn_unlink()
1108 conn->parent = NULL; in hci_conn_unlink()
1110 kfree(conn->link); in hci_conn_unlink()
1111 conn->link = NULL; in hci_conn_unlink()
1114 void hci_conn_del(struct hci_conn *conn) in hci_conn_del() argument
1116 struct hci_dev *hdev = conn->hdev; in hci_conn_del()
1118 BT_DBG("%s hcon %p handle %d", hdev->name, conn, conn->handle); in hci_conn_del()
1120 hci_conn_unlink(conn); in hci_conn_del()
1122 cancel_delayed_work_sync(&conn->disc_work); in hci_conn_del()
1123 cancel_delayed_work_sync(&conn->auto_accept_work); in hci_conn_del()
1124 cancel_delayed_work_sync(&conn->idle_work); in hci_conn_del()
1126 if (conn->type == ACL_LINK) { in hci_conn_del()
1128 hdev->acl_cnt += conn->sent; in hci_conn_del()
1129 } else if (conn->type == LE_LINK) { in hci_conn_del()
1130 cancel_delayed_work(&conn->le_conn_timeout); in hci_conn_del()
1133 hdev->le_cnt += conn->sent; in hci_conn_del()
1135 hdev->acl_cnt += conn->sent; in hci_conn_del()
1138 if (conn->type == ISO_LINK) { in hci_conn_del()
1140 hdev->iso_cnt += conn->sent; in hci_conn_del()
1142 hdev->le_cnt += conn->sent; in hci_conn_del()
1144 hdev->acl_cnt += conn->sent; in hci_conn_del()
1148 skb_queue_purge(&conn->data_q); in hci_conn_del()
1155 hci_conn_cleanup(conn); in hci_conn_del()
1220 static void hci_le_conn_failed(struct hci_conn *conn, u8 status) in hci_le_conn_failed() argument
1222 struct hci_dev *hdev = conn->hdev; in hci_le_conn_failed()
1224 hci_connect_le_scan_cleanup(conn, status); in hci_le_conn_failed()
1233 void hci_conn_failed(struct hci_conn *conn, u8 status) in hci_conn_failed() argument
1235 struct hci_dev *hdev = conn->hdev; in hci_conn_failed()
1239 switch (conn->type) { in hci_conn_failed()
1241 hci_le_conn_failed(conn, status); in hci_conn_failed()
1244 mgmt_connect_failed(hdev, &conn->dst, conn->type, in hci_conn_failed()
1245 conn->dst_type, status); in hci_conn_failed()
1249 conn->state = BT_CLOSED; in hci_conn_failed()
1250 hci_connect_cfm(conn, status); in hci_conn_failed()
1251 hci_conn_del(conn); in hci_conn_failed()
1255 u8 hci_conn_set_handle(struct hci_conn *conn, u16 handle) in hci_conn_set_handle() argument
1257 struct hci_dev *hdev = conn->hdev; in hci_conn_set_handle()
1259 bt_dev_dbg(hdev, "hcon %p handle 0x%4.4x", conn, handle); in hci_conn_set_handle()
1261 if (conn->handle == handle) in hci_conn_set_handle()
1273 if (conn->abort_reason) in hci_conn_set_handle()
1274 return conn->abort_reason; in hci_conn_set_handle()
1276 if (HCI_CONN_HANDLE_UNSET(conn->handle)) in hci_conn_set_handle()
1277 ida_free(&hdev->unset_handle_ida, conn->handle); in hci_conn_set_handle()
1279 conn->handle = handle; in hci_conn_set_handle()
1286 struct hci_conn *conn; in create_le_conn_complete() local
1289 conn = hci_conn_hash_lookup_handle(hdev, handle); in create_le_conn_complete()
1290 if (!conn) in create_le_conn_complete()
1298 hci_connect_le_scan_cleanup(conn, 0x00); in create_le_conn_complete()
1303 if (conn != hci_lookup_le_connect(hdev)) in create_le_conn_complete()
1306 /* Flush to make sure we send create conn cancel command if needed */ in create_le_conn_complete()
1307 flush_delayed_work(&conn->le_conn_timeout); in create_le_conn_complete()
1308 hci_conn_failed(conn, bt_status(err)); in create_le_conn_complete()
1316 struct hci_conn *conn; in hci_connect_le_sync() local
1319 conn = hci_conn_hash_lookup_handle(hdev, handle); in hci_connect_le_sync()
1320 if (!conn) in hci_connect_le_sync()
1323 bt_dev_dbg(hdev, "conn %p", conn); in hci_connect_le_sync()
1325 clear_bit(HCI_CONN_SCANNING, &conn->flags); in hci_connect_le_sync()
1326 conn->state = BT_CONNECT; in hci_connect_le_sync()
1328 return hci_le_create_conn_sync(hdev, conn); in hci_connect_le_sync()
1335 struct hci_conn *conn; in hci_connect_le() local
1358 conn = hci_conn_hash_lookup_le(hdev, dst, dst_type); in hci_connect_le()
1359 if (conn && !test_bit(HCI_CONN_SCANNING, &conn->flags)) { in hci_connect_le()
1383 if (conn) { in hci_connect_le()
1384 bacpy(&conn->dst, dst); in hci_connect_le()
1386 conn = hci_conn_add_unset(hdev, LE_LINK, dst, role); in hci_connect_le()
1387 if (!conn) in hci_connect_le()
1389 hci_conn_hold(conn); in hci_connect_le()
1390 conn->pending_sec_level = sec_level; in hci_connect_le()
1393 conn->dst_type = dst_type; in hci_connect_le()
1394 conn->sec_level = BT_SECURITY_LOW; in hci_connect_le()
1395 conn->conn_timeout = conn_timeout; in hci_connect_le()
1398 UINT_PTR(conn->handle), in hci_connect_le()
1401 hci_conn_del(conn); in hci_connect_le()
1405 return conn; in hci_connect_le()
1410 struct hci_conn *conn; in is_connected() local
1412 conn = hci_conn_hash_lookup_le(hdev, addr, type); in is_connected()
1413 if (!conn) in is_connected()
1416 if (conn->state != BT_CONNECTED) in is_connected()
1462 struct hci_conn *conn; in qos_set_big() local
1469 conn = hci_conn_hash_lookup_big(hdev, big); in qos_set_big()
1470 if (!conn) in qos_set_big()
1486 struct hci_conn *conn; in qos_set_bis() local
1497 conn = hci_conn_hash_lookup_bis(hdev, BDADDR_ANY, bis); in qos_set_bis()
1498 if (!conn) in qos_set_bis()
1517 struct hci_conn *conn; in hci_add_bis() local
1536 conn = hci_conn_hash_lookup_per_adv_bis(hdev, dst, qos->bcast.big, in hci_add_bis()
1538 if (conn) in hci_add_bis()
1544 conn = hci_conn_hash_lookup_big(hdev, qos->bcast.big); in hci_add_bis()
1546 if (conn && (memcmp(qos, &conn->iso_qos, sizeof(*qos)) || in hci_add_bis()
1547 base_len != conn->le_per_adv_data_len || in hci_add_bis()
1548 memcmp(conn->le_per_adv_data, base, base_len))) in hci_add_bis()
1551 conn = hci_conn_add_unset(hdev, ISO_LINK, dst, HCI_ROLE_MASTER); in hci_add_bis()
1552 if (!conn) in hci_add_bis()
1555 conn->state = BT_CONNECT; in hci_add_bis()
1557 hci_conn_hold(conn); in hci_add_bis()
1558 return conn; in hci_add_bis()
1567 struct hci_conn *conn; in hci_connect_le_scan() local
1586 conn = hci_conn_hash_lookup_le(hdev, dst, dst_type); in hci_connect_le_scan()
1587 if (conn) { in hci_connect_le_scan()
1588 if (conn->pending_sec_level < sec_level) in hci_connect_le_scan()
1589 conn->pending_sec_level = sec_level; in hci_connect_le_scan()
1595 conn = hci_conn_add_unset(hdev, LE_LINK, dst, HCI_ROLE_MASTER); in hci_connect_le_scan()
1596 if (!conn) in hci_connect_le_scan()
1600 hci_conn_del(conn); in hci_connect_le_scan()
1604 conn->state = BT_CONNECT; in hci_connect_le_scan()
1605 set_bit(HCI_CONN_SCANNING, &conn->flags); in hci_connect_le_scan()
1606 conn->dst_type = dst_type; in hci_connect_le_scan()
1607 conn->sec_level = BT_SECURITY_LOW; in hci_connect_le_scan()
1608 conn->pending_sec_level = sec_level; in hci_connect_le_scan()
1609 conn->conn_timeout = conn_timeout; in hci_connect_le_scan()
1610 conn->conn_reason = conn_reason; in hci_connect_le_scan()
1615 hci_conn_hold(conn); in hci_connect_le_scan()
1616 return conn; in hci_connect_le_scan()
1662 struct hci_conn *conn) in hci_conn_link() argument
1667 bt_dev_dbg(hdev, "parent %p hcon %p", parent, conn); in hci_conn_link()
1669 if (conn->link) in hci_conn_link()
1670 return conn->link; in hci_conn_link()
1672 if (conn->parent) in hci_conn_link()
1679 link->conn = hci_conn_hold(conn); in hci_conn_link()
1680 conn->link = link; in hci_conn_link()
1681 conn->parent = hci_conn_get(parent); in hci_conn_link()
1737 static int hci_le_create_big(struct hci_conn *conn, struct bt_iso_qos *qos) in hci_le_create_big() argument
1739 struct hci_dev *hdev = conn->hdev; in hci_le_create_big()
1772 struct hci_conn *conn; in set_cig_params_sync() local
1777 conn = hci_conn_hash_lookup_cig(hdev, cig_id); in set_cig_params_sync()
1778 if (!conn) in set_cig_params_sync()
1783 qos = &conn->iso_qos; in set_cig_params_sync()
1801 conn = hci_conn_hash_lookup_cis(hdev, NULL, 0, cig_id, cis_id); in set_cig_params_sync()
1802 if (!conn) in set_cig_params_sync()
1805 qos = &conn->iso_qos; in set_cig_params_sync()
1809 cis->c_sdu = cpu_to_le16(conn->iso_qos.ucast.out.sdu); in set_cig_params_sync()
1810 cis->p_sdu = cpu_to_le16(conn->iso_qos.ucast.in.sdu); in set_cig_params_sync()
1828 static bool hci_le_set_cig_params(struct hci_conn *conn, struct bt_iso_qos *qos) in hci_le_set_cig_params() argument
1830 struct hci_dev *hdev = conn->hdev; in hci_le_set_cig_params()
1953 bool hci_iso_setup_path(struct hci_conn *conn) in hci_iso_setup_path() argument
1955 struct hci_dev *hdev = conn->hdev; in hci_iso_setup_path()
1960 if (conn->iso_qos.ucast.out.sdu) { in hci_iso_setup_path()
1961 cmd.handle = cpu_to_le16(conn->handle); in hci_iso_setup_path()
1971 if (conn->iso_qos.ucast.in.sdu) { in hci_iso_setup_path()
1972 cmd.handle = cpu_to_le16(conn->handle); in hci_iso_setup_path()
1985 int hci_conn_check_create_cis(struct hci_conn *conn) in hci_conn_check_create_cis() argument
1987 if (conn->type != ISO_LINK || !bacmp(&conn->dst, BDADDR_ANY)) in hci_conn_check_create_cis()
1990 if (!conn->parent || conn->parent->state != BT_CONNECTED || in hci_conn_check_create_cis()
1991 conn->state != BT_CONNECT || HCI_CONN_HANDLE_UNSET(conn->handle)) in hci_conn_check_create_cis()
2004 struct hci_conn *conn; in hci_le_create_cis_pending() local
2009 list_for_each_entry_rcu(conn, &hdev->conn_hash.list, list) { in hci_le_create_cis_pending()
2010 if (test_bit(HCI_CONN_CREATE_CIS, &conn->flags)) { in hci_le_create_cis_pending()
2015 if (!hci_conn_check_create_cis(conn)) in hci_le_create_cis_pending()
2028 static void hci_iso_qos_setup(struct hci_dev *hdev, struct hci_conn *conn, in hci_iso_qos_setup() argument
2048 qos->interval = conn->le_conn_interval * 1250; in hci_iso_qos_setup()
2052 qos->latency = conn->le_conn_latency; in hci_iso_qos_setup()
2057 struct hci_conn *conn = data; in create_big_sync() local
2058 struct bt_iso_qos *qos = &conn->iso_qos; in create_big_sync()
2072 err = hci_start_per_adv_sync(hdev, qos->bcast.bis, conn->le_per_adv_data_len, in create_big_sync()
2073 conn->le_per_adv_data, flags, interval, in create_big_sync()
2078 return hci_le_create_big(conn, &conn->iso_qos); in create_big_sync()
2170 struct hci_conn *conn = data; in create_big_complete() local
2172 bt_dev_dbg(hdev, "conn %p", conn); in create_big_complete()
2176 hci_connect_cfm(conn, err); in create_big_complete()
2177 hci_conn_del(conn); in create_big_complete()
2185 struct hci_conn *conn; in hci_bind_bis() local
2193 conn = hci_add_bis(hdev, dst, qos, base_len, eir); in hci_bind_bis()
2194 if (IS_ERR(conn)) in hci_bind_bis()
2195 return conn; in hci_bind_bis()
2198 conn->le_tx_phy = qos->bcast.out.phy; in hci_bind_bis()
2199 conn->le_tx_phy = qos->bcast.out.phy; in hci_bind_bis()
2203 memcpy(conn->le_per_adv_data, eir, sizeof(eir)); in hci_bind_bis()
2204 conn->le_per_adv_data_len = base_len; in hci_bind_bis()
2207 hci_iso_qos_setup(hdev, conn, &qos->bcast.out, in hci_bind_bis()
2208 conn->le_tx_phy ? conn->le_tx_phy : in hci_bind_bis()
2211 conn->iso_qos = *qos; in hci_bind_bis()
2212 conn->state = BT_BOUND; in hci_bind_bis()
2214 return conn; in hci_bind_bis()
2217 static void bis_mark_per_adv(struct hci_conn *conn, void *data) in bis_mark_per_adv() argument
2222 if (bacmp(&conn->dst, BDADDR_ANY)) in bis_mark_per_adv()
2225 if (d->big != conn->iso_qos.bcast.big || in bis_mark_per_adv()
2227 d->bis != conn->iso_qos.bcast.bis) in bis_mark_per_adv()
2230 set_bit(HCI_CONN_PER_ADV, &conn->flags); in bis_mark_per_adv()
2237 struct hci_conn *conn; in hci_connect_bis() local
2241 conn = hci_bind_bis(hdev, dst, qos, base_len, base); in hci_connect_bis()
2242 if (IS_ERR(conn)) in hci_connect_bis()
2243 return conn; in hci_connect_bis()
2256 err = hci_cmd_sync_queue(hdev, create_big_sync, conn, in hci_connect_bis()
2259 hci_conn_drop(conn); in hci_connect_bis()
2263 return conn; in hci_connect_bis()
2315 int hci_conn_check_link_mode(struct hci_conn *conn) in hci_conn_check_link_mode() argument
2317 BT_DBG("hcon %p", conn); in hci_conn_check_link_mode()
2323 if (hci_dev_test_flag(conn->hdev, HCI_SC_ONLY)) { in hci_conn_check_link_mode()
2324 if (!hci_conn_sc_enabled(conn) || in hci_conn_check_link_mode()
2325 !test_bit(HCI_CONN_AES_CCM, &conn->flags) || in hci_conn_check_link_mode()
2326 conn->key_type != HCI_LK_AUTH_COMBINATION_P256) in hci_conn_check_link_mode()
2340 if (conn->sec_level == BT_SECURITY_FIPS && in hci_conn_check_link_mode()
2341 !test_bit(HCI_CONN_AES_CCM, &conn->flags)) { in hci_conn_check_link_mode()
2342 bt_dev_err(conn->hdev, in hci_conn_check_link_mode()
2347 if (hci_conn_ssp_enabled(conn) && in hci_conn_check_link_mode()
2348 !test_bit(HCI_CONN_ENCRYPT, &conn->flags)) in hci_conn_check_link_mode()
2355 static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type) in hci_conn_auth() argument
2357 BT_DBG("hcon %p", conn); in hci_conn_auth()
2359 if (conn->pending_sec_level > sec_level) in hci_conn_auth()
2360 sec_level = conn->pending_sec_level; in hci_conn_auth()
2362 if (sec_level > conn->sec_level) in hci_conn_auth()
2363 conn->pending_sec_level = sec_level; in hci_conn_auth()
2364 else if (test_bit(HCI_CONN_AUTH, &conn->flags)) in hci_conn_auth()
2368 auth_type |= (conn->auth_type & 0x01); in hci_conn_auth()
2370 conn->auth_type = auth_type; in hci_conn_auth()
2372 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { in hci_conn_auth()
2375 cp.handle = cpu_to_le16(conn->handle); in hci_conn_auth()
2376 hci_send_cmd(conn->hdev, HCI_OP_AUTH_REQUESTED, in hci_conn_auth()
2382 if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) in hci_conn_auth()
2383 set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); in hci_conn_auth()
2390 static void hci_conn_encrypt(struct hci_conn *conn) in hci_conn_encrypt() argument
2392 BT_DBG("hcon %p", conn); in hci_conn_encrypt()
2394 if (!test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) { in hci_conn_encrypt()
2396 cp.handle = cpu_to_le16(conn->handle); in hci_conn_encrypt()
2398 hci_send_cmd(conn->hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), in hci_conn_encrypt()
2404 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, in hci_conn_security() argument
2407 BT_DBG("hcon %p", conn); in hci_conn_security()
2409 if (conn->type == LE_LINK) in hci_conn_security()
2410 return smp_conn_security(conn, sec_level); in hci_conn_security()
2418 if (sec_level == BT_SECURITY_LOW && !hci_conn_ssp_enabled(conn)) in hci_conn_security()
2422 if (!test_bit(HCI_CONN_AUTH, &conn->flags)) in hci_conn_security()
2425 switch (conn->key_type) { in hci_conn_security()
2454 if (sec_level <= BT_SECURITY_MEDIUM || conn->pin_length == 16) in hci_conn_security()
2462 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) in hci_conn_security()
2466 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags); in hci_conn_security()
2468 if (!hci_conn_auth(conn, sec_level, auth_type)) in hci_conn_security()
2472 if (test_bit(HCI_CONN_ENCRYPT, &conn->flags)) { in hci_conn_security()
2476 if (!conn->enc_key_size) in hci_conn_security()
2483 hci_conn_encrypt(conn); in hci_conn_security()
2489 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level) in hci_conn_check_secure() argument
2491 BT_DBG("hcon %p", conn); in hci_conn_check_secure()
2498 if (conn->sec_level == BT_SECURITY_HIGH || in hci_conn_check_secure()
2499 conn->sec_level == BT_SECURITY_FIPS) in hci_conn_check_secure()
2508 int hci_conn_switch_role(struct hci_conn *conn, __u8 role) in hci_conn_switch_role() argument
2510 BT_DBG("hcon %p", conn); in hci_conn_switch_role()
2512 if (role == conn->role) in hci_conn_switch_role()
2515 if (!test_and_set_bit(HCI_CONN_RSWITCH_PEND, &conn->flags)) { in hci_conn_switch_role()
2517 bacpy(&cp.bdaddr, &conn->dst); in hci_conn_switch_role()
2519 hci_send_cmd(conn->hdev, HCI_OP_SWITCH_ROLE, sizeof(cp), &cp); in hci_conn_switch_role()
2527 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active) in hci_conn_enter_active_mode() argument
2529 struct hci_dev *hdev = conn->hdev; in hci_conn_enter_active_mode()
2531 BT_DBG("hcon %p mode %d", conn, conn->mode); in hci_conn_enter_active_mode()
2533 if (conn->mode != HCI_CM_SNIFF) in hci_conn_enter_active_mode()
2536 if (!test_bit(HCI_CONN_POWER_SAVE, &conn->flags) && !force_active) in hci_conn_enter_active_mode()
2539 if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags)) { in hci_conn_enter_active_mode()
2541 cp.handle = cpu_to_le16(conn->handle); in hci_conn_enter_active_mode()
2547 queue_delayed_work(hdev->workqueue, &conn->idle_work, in hci_conn_enter_active_mode()
2555 struct hci_conn *conn; in hci_conn_hash_flush() local
2563 while ((conn = list_first_entry_or_null(head, in hci_conn_hash_flush()
2566 conn->state = BT_CLOSED; in hci_conn_hash_flush()
2567 hci_disconn_cfm(conn, HCI_ERROR_LOCAL_HOST_TERM); in hci_conn_hash_flush()
2568 hci_conn_del(conn); in hci_conn_hash_flush()
2575 struct hci_conn *conn; in hci_conn_check_pending() local
2581 conn = hci_conn_hash_lookup_state(hdev, ACL_LINK, BT_CONNECT2); in hci_conn_check_pending()
2582 if (conn) in hci_conn_check_pending()
2583 hci_acl_create_connection(conn); in hci_conn_check_pending()
2588 static u32 get_link_mode(struct hci_conn *conn) in get_link_mode() argument
2592 if (conn->role == HCI_ROLE_MASTER) in get_link_mode()
2595 if (test_bit(HCI_CONN_ENCRYPT, &conn->flags)) in get_link_mode()
2598 if (test_bit(HCI_CONN_AUTH, &conn->flags)) in get_link_mode()
2601 if (test_bit(HCI_CONN_SECURE, &conn->flags)) in get_link_mode()
2604 if (test_bit(HCI_CONN_FIPS, &conn->flags)) in get_link_mode()
2667 struct hci_conn *conn; in hci_get_conn_info() local
2674 conn = hci_conn_hash_lookup_ba(hdev, req.type, &req.bdaddr); in hci_get_conn_info()
2675 if (conn) { in hci_get_conn_info()
2676 bacpy(&ci.bdaddr, &conn->dst); in hci_get_conn_info()
2677 ci.handle = conn->handle; in hci_get_conn_info()
2678 ci.type = conn->type; in hci_get_conn_info()
2679 ci.out = conn->out; in hci_get_conn_info()
2680 ci.state = conn->state; in hci_get_conn_info()
2681 ci.link_mode = get_link_mode(conn); in hci_get_conn_info()
2685 if (!conn) in hci_get_conn_info()
2694 struct hci_conn *conn; in hci_get_auth_info() local
2700 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &req.bdaddr); in hci_get_auth_info()
2701 if (conn) in hci_get_auth_info()
2702 req.type = conn->auth_type; in hci_get_auth_info()
2705 if (!conn) in hci_get_auth_info()
2711 struct hci_chan *hci_chan_create(struct hci_conn *conn) in hci_chan_create() argument
2713 struct hci_dev *hdev = conn->hdev; in hci_chan_create()
2716 BT_DBG("%s hcon %p", hdev->name, conn); in hci_chan_create()
2718 if (test_bit(HCI_CONN_DROP, &conn->flags)) { in hci_chan_create()
2727 chan->conn = hci_conn_get(conn); in hci_chan_create()
2731 list_add_rcu(&chan->list, &conn->chan_list); in hci_chan_create()
2738 struct hci_conn *conn = chan->conn; in hci_chan_del() local
2739 struct hci_dev *hdev = conn->hdev; in hci_chan_del()
2741 BT_DBG("%s hcon %p chan %p", hdev->name, conn, chan); in hci_chan_del()
2748 set_bit(HCI_CONN_DROP, &conn->flags); in hci_chan_del()
2750 hci_conn_put(conn); in hci_chan_del()
2756 void hci_chan_list_flush(struct hci_conn *conn) in hci_chan_list_flush() argument
2760 BT_DBG("hcon %p", conn); in hci_chan_list_flush()
2762 list_for_each_entry_safe(chan, n, &conn->chan_list, list) in hci_chan_list_flush()
2798 u32 hci_conn_get_phy(struct hci_conn *conn) in hci_conn_get_phy() argument
2806 switch (conn->type) { in hci_conn_get_phy()
2821 if (conn->pkt_type & (HCI_DM3 | HCI_DH3)) in hci_conn_get_phy()
2824 if (conn->pkt_type & (HCI_DM5 | HCI_DH5)) in hci_conn_get_phy()
2830 if (!(conn->pkt_type & HCI_2DH1)) in hci_conn_get_phy()
2833 if (!(conn->pkt_type & HCI_2DH3)) in hci_conn_get_phy()
2836 if (!(conn->pkt_type & HCI_2DH5)) in hci_conn_get_phy()
2842 if (!(conn->pkt_type & HCI_3DH1)) in hci_conn_get_phy()
2845 if (!(conn->pkt_type & HCI_3DH3)) in hci_conn_get_phy()
2848 if (!(conn->pkt_type & HCI_3DH5)) in hci_conn_get_phy()
2857 if (!(conn->pkt_type & (ESCO_EV4 | ESCO_EV5))) in hci_conn_get_phy()
2861 if (!(conn->pkt_type & ESCO_2EV3)) in hci_conn_get_phy()
2864 if (!(conn->pkt_type & ESCO_2EV5)) in hci_conn_get_phy()
2868 if (!(conn->pkt_type & ESCO_3EV3)) in hci_conn_get_phy()
2871 if (!(conn->pkt_type & ESCO_3EV5)) in hci_conn_get_phy()
2877 if (conn->le_tx_phy & HCI_LE_SET_PHY_1M) in hci_conn_get_phy()
2880 if (conn->le_rx_phy & HCI_LE_SET_PHY_1M) in hci_conn_get_phy()
2883 if (conn->le_tx_phy & HCI_LE_SET_PHY_2M) in hci_conn_get_phy()
2886 if (conn->le_rx_phy & HCI_LE_SET_PHY_2M) in hci_conn_get_phy()
2889 if (conn->le_tx_phy & HCI_LE_SET_PHY_CODED) in hci_conn_get_phy()
2892 if (conn->le_rx_phy & HCI_LE_SET_PHY_CODED) in hci_conn_get_phy()
2903 struct hci_conn *conn; in abort_conn_sync() local
2906 conn = hci_conn_hash_lookup_handle(hdev, handle); in abort_conn_sync()
2907 if (!conn) in abort_conn_sync()
2910 return hci_abort_conn_sync(hdev, conn, conn->abort_reason); in abort_conn_sync()
2913 int hci_abort_conn(struct hci_conn *conn, u8 reason) in hci_abort_conn() argument
2915 struct hci_dev *hdev = conn->hdev; in hci_abort_conn()
2920 if (conn->abort_reason) in hci_abort_conn()
2923 bt_dev_dbg(hdev, "handle 0x%2.2x reason 0x%2.2x", conn->handle, reason); in hci_abort_conn()
2925 conn->abort_reason = reason; in hci_abort_conn()
2934 if (conn->state == BT_CONNECT && hdev->req_status == HCI_REQ_PEND) { in hci_abort_conn()
2944 return hci_cmd_sync_queue(hdev, abort_conn_sync, UINT_PTR(conn->handle), in hci_abort_conn()