Lines Matching +full:t1 +full:- +full:framing
2 BlueZ - Bluetooth protocol stack for Linux
3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
4 Copyright 2023-2024 NXP
66 { EDR_ESCO_MASK | ESCO_EV3, 0x0008, 0x02 }, /* T1 */
69 /* This function requires the caller holds hdev->lock */
73 struct hci_dev *hdev = conn->hdev; in hci_connect_le_scan_cleanup()
78 bdaddr = &conn->dst; in hci_connect_le_scan_cleanup()
79 bdaddr_type = conn->dst_type; in hci_connect_le_scan_cleanup()
84 bdaddr = &irk->bdaddr; in hci_connect_le_scan_cleanup()
85 bdaddr_type = irk->addr_type; in hci_connect_le_scan_cleanup()
88 params = hci_pend_le_action_lookup(&hdev->pend_le_conns, bdaddr, in hci_connect_le_scan_cleanup()
93 if (params->conn) { in hci_connect_le_scan_cleanup()
94 hci_conn_drop(params->conn); in hci_connect_le_scan_cleanup()
95 hci_conn_put(params->conn); in hci_connect_le_scan_cleanup()
96 params->conn = NULL; in hci_connect_le_scan_cleanup()
99 if (!params->explicit_connect) in hci_connect_le_scan_cleanup()
116 params->explicit_connect = false; in hci_connect_le_scan_cleanup()
120 switch (params->auto_connect) { in hci_connect_le_scan_cleanup()
127 hci_pend_le_list_add(params, &hdev->pend_le_conns); in hci_connect_le_scan_cleanup()
130 hci_pend_le_list_add(params, &hdev->pend_le_reports); in hci_connect_le_scan_cleanup()
141 struct hci_dev *hdev = conn->hdev; in hci_conn_cleanup()
143 if (test_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags)) in hci_conn_cleanup()
144 hci_conn_params_del(conn->hdev, &conn->dst, conn->dst_type); in hci_conn_cleanup()
146 if (test_and_clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags)) in hci_conn_cleanup()
147 hci_remove_link_key(hdev, &conn->dst); in hci_conn_cleanup()
153 if (HCI_CONN_HANDLE_UNSET(conn->handle)) in hci_conn_cleanup()
154 ida_free(&hdev->unset_handle_ida, conn->handle); in hci_conn_cleanup()
156 if (conn->cleanup) in hci_conn_cleanup()
157 conn->cleanup(conn); in hci_conn_cleanup()
159 if (conn->type == SCO_LINK || conn->type == ESCO_LINK) { in hci_conn_cleanup()
160 switch (conn->setting & SCO_AIRMODE_MASK) { in hci_conn_cleanup()
163 if (hdev->notify) in hci_conn_cleanup()
164 hdev->notify(hdev, HCI_NOTIFY_DISABLE_SCO); in hci_conn_cleanup()
168 if (hdev->notify) in hci_conn_cleanup()
169 hdev->notify(hdev, HCI_NOTIFY_CONN_DEL); in hci_conn_cleanup()
172 debugfs_remove_recursive(conn->debugfs); in hci_conn_cleanup()
188 if (conn->type == ACL_LINK && conn->role == HCI_ROLE_MASTER && in hci_disconnect()
189 (conn->state == BT_CONNECTED || conn->state == BT_CONFIG)) { in hci_disconnect()
190 struct hci_dev *hdev = conn->hdev; in hci_disconnect()
193 clkoff_cp.handle = cpu_to_le16(conn->handle); in hci_disconnect()
203 struct hci_dev *hdev = conn->hdev; in hci_add_sco()
208 conn->state = BT_CONNECT; in hci_add_sco()
209 conn->out = true; in hci_add_sco()
211 conn->attempt++; in hci_add_sco()
214 cp.pkt_type = cpu_to_le16(conn->pkt_type); in hci_add_sco()
222 if (!conn->parent) in find_next_esco_param()
225 for (; conn->attempt <= size; conn->attempt++) { in find_next_esco_param()
226 if (lmp_esco_2m_capable(conn->parent) || in find_next_esco_param()
227 (esco_param[conn->attempt - 1].pkt_type & ESCO_2EV3)) in find_next_esco_param()
230 conn, conn->attempt); in find_next_esco_param()
233 return conn->attempt <= size; in find_next_esco_param()
246 if (!codec->data_path || !hdev->get_codec_config_data) in configure_datapath_sync()
249 err = hdev->get_codec_config_data(hdev, ESCO_LINK, codec, &vnd_len, in configure_datapath_sync()
256 err = -ENOMEM; in configure_datapath_sync()
260 err = hdev->get_data_path_id(hdev, &cmd->data_path_id); in configure_datapath_sync()
264 cmd->vnd_len = vnd_len; in configure_datapath_sync()
265 memcpy(cmd->vnd_data, vnd_data, vnd_len); in configure_datapath_sync()
267 cmd->direction = 0x00; in configure_datapath_sync()
271 cmd->direction = 0x01; in configure_datapath_sync()
285 struct hci_conn *conn = conn_handle->conn; in hci_enhanced_setup_sync()
286 __u16 handle = conn_handle->handle; in hci_enhanced_setup_sync()
293 return -ECANCELED; in hci_enhanced_setup_sync()
297 configure_datapath_sync(hdev, &conn->codec); in hci_enhanced_setup_sync()
299 conn->state = BT_CONNECT; in hci_enhanced_setup_sync()
300 conn->out = true; in hci_enhanced_setup_sync()
302 conn->attempt++; in hci_enhanced_setup_sync()
311 switch (conn->codec.id) { in hci_enhanced_setup_sync()
315 return -EINVAL; in hci_enhanced_setup_sync()
317 param = &esco_param_msbc[conn->attempt - 1]; in hci_enhanced_setup_sync()
332 cp.in_data_path = conn->codec.data_path; in hci_enhanced_setup_sync()
333 cp.out_data_path = conn->codec.data_path; in hci_enhanced_setup_sync()
342 param = &esco_param_msbc[conn->attempt - 1]; in hci_enhanced_setup_sync()
357 cp.in_data_path = conn->codec.data_path; in hci_enhanced_setup_sync()
358 cp.out_data_path = conn->codec.data_path; in hci_enhanced_setup_sync()
364 if (conn->parent && lmp_esco_capable(conn->parent)) { in hci_enhanced_setup_sync()
367 return -EINVAL; in hci_enhanced_setup_sync()
368 param = &esco_param_cvsd[conn->attempt - 1]; in hci_enhanced_setup_sync()
370 if (conn->attempt > ARRAY_SIZE(sco_param_cvsd)) in hci_enhanced_setup_sync()
371 return -EINVAL; in hci_enhanced_setup_sync()
372 param = &sco_param_cvsd[conn->attempt - 1]; in hci_enhanced_setup_sync()
388 cp.in_data_path = conn->codec.data_path; in hci_enhanced_setup_sync()
389 cp.out_data_path = conn->codec.data_path; in hci_enhanced_setup_sync()
394 return -EINVAL; in hci_enhanced_setup_sync()
397 cp.retrans_effort = param->retrans_effort; in hci_enhanced_setup_sync()
398 cp.pkt_type = __cpu_to_le16(param->pkt_type); in hci_enhanced_setup_sync()
399 cp.max_latency = __cpu_to_le16(param->max_latency); in hci_enhanced_setup_sync()
402 return -EIO; in hci_enhanced_setup_sync()
409 struct hci_dev *hdev = conn->hdev; in hci_setup_sync_conn()
415 conn->state = BT_CONNECT; in hci_setup_sync_conn()
416 conn->out = true; in hci_setup_sync_conn()
418 conn->attempt++; in hci_setup_sync_conn()
424 cp.voice_setting = cpu_to_le16(conn->setting); in hci_setup_sync_conn()
426 switch (conn->setting & SCO_AIRMODE_MASK) { in hci_setup_sync_conn()
431 param = &esco_param_msbc[conn->attempt - 1]; in hci_setup_sync_conn()
434 if (conn->parent && lmp_esco_capable(conn->parent)) { in hci_setup_sync_conn()
438 param = &esco_param_cvsd[conn->attempt - 1]; in hci_setup_sync_conn()
440 if (conn->attempt > ARRAY_SIZE(sco_param_cvsd)) in hci_setup_sync_conn()
442 param = &sco_param_cvsd[conn->attempt - 1]; in hci_setup_sync_conn()
449 cp.retrans_effort = param->retrans_effort; in hci_setup_sync_conn()
450 cp.pkt_type = __cpu_to_le16(param->pkt_type); in hci_setup_sync_conn()
451 cp.max_latency = __cpu_to_le16(param->max_latency); in hci_setup_sync_conn()
464 if (enhanced_sync_conn_capable(conn->hdev)) { in hci_setup_sync()
470 conn_handle->conn = conn; in hci_setup_sync()
471 conn_handle->handle = handle; in hci_setup_sync()
472 result = hci_cmd_sync_queue(conn->hdev, hci_enhanced_setup_sync, in hci_setup_sync()
486 struct hci_dev *hdev = conn->hdev; in hci_le_conn_update()
492 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type); in hci_le_conn_update()
494 params->conn_min_interval = min; in hci_le_conn_update()
495 params->conn_max_interval = max; in hci_le_conn_update()
496 params->conn_latency = latency; in hci_le_conn_update()
497 params->supervision_timeout = to_multiplier; in hci_le_conn_update()
503 cp.handle = cpu_to_le16(conn->handle); in hci_le_conn_update()
522 struct hci_dev *hdev = conn->hdev; in hci_le_start_enc()
529 cp.handle = cpu_to_le16(conn->handle); in hci_le_start_enc()
542 link = list_first_entry_or_null(&conn->link_list, struct hci_link, list); in hci_sco_setup()
543 if (!link || !link->conn) in hci_sco_setup()
549 if (lmp_esco_capable(conn->hdev)) in hci_sco_setup()
550 hci_setup_sync(link->conn, conn->handle); in hci_sco_setup()
552 hci_add_sco(link->conn, conn->handle); in hci_sco_setup()
554 hci_connect_cfm(link->conn, status); in hci_sco_setup()
555 hci_conn_del(link->conn); in hci_sco_setup()
563 int refcnt = atomic_read(&conn->refcnt); in hci_conn_timeout()
565 BT_DBG("hcon %p state %s", conn, state_to_string(conn->state)); in hci_conn_timeout()
587 struct hci_dev *hdev = conn->hdev; in hci_conn_idle()
589 BT_DBG("hcon %p mode %d", conn, conn->mode); in hci_conn_idle()
594 if (conn->mode != HCI_CM_ACTIVE || !(conn->link_policy & HCI_LP_SNIFF)) in hci_conn_idle()
599 cp.handle = cpu_to_le16(conn->handle); in hci_conn_idle()
606 if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags)) { in hci_conn_idle()
608 cp.handle = cpu_to_le16(conn->handle); in hci_conn_idle()
609 cp.max_interval = cpu_to_le16(hdev->sniff_max_interval); in hci_conn_idle()
610 cp.min_interval = cpu_to_le16(hdev->sniff_min_interval); in hci_conn_idle()
622 hci_send_cmd(conn->hdev, HCI_OP_USER_CONFIRM_REPLY, sizeof(conn->dst), in hci_conn_auto_accept()
623 &conn->dst); in hci_conn_auto_accept()
647 struct hci_dev *hdev = conn->hdev; in le_conn_timeout()
656 if (conn->role == HCI_ROLE_SLAVE) { in le_conn_timeout()
689 if (bacmp(&conn->dst, BDADDR_ANY)) in bis_list()
692 if (d->big != conn->iso_qos.bcast.big || d->bis == BT_ISO_QOS_BIS_UNSET || in bis_list()
693 d->bis != conn->iso_qos.bcast.bis) in bis_list()
696 d->count++; in bis_list()
703 bt_dev_dbg(hdev, "big 0x%2.2x bis 0x%2.2x", d->big, d->bis); in terminate_big_sync()
705 hci_disable_per_advertising_sync(hdev, d->bis); in terminate_big_sync()
706 hci_remove_ext_adv_instance_sync(hdev, d->bis, NULL); in terminate_big_sync()
709 if (!d->big_term) in terminate_big_sync()
712 return hci_le_terminate_big_sync(hdev, d->big, in terminate_big_sync()
726 bt_dev_dbg(hdev, "big 0x%2.2x bis 0x%2.2x", conn->iso_qos.bcast.big, in hci_le_terminate_big()
727 conn->iso_qos.bcast.bis); in hci_le_terminate_big()
731 return -ENOMEM; in hci_le_terminate_big()
733 d->big = conn->iso_qos.bcast.big; in hci_le_terminate_big()
734 d->bis = conn->iso_qos.bcast.bis; in hci_le_terminate_big()
735 d->big_term = test_and_clear_bit(HCI_CONN_BIG_CREATED, &conn->flags); in hci_le_terminate_big()
749 bt_dev_dbg(hdev, "big 0x%2.2x sync_handle 0x%4.4x", d->big, in big_terminate_sync()
750 d->sync_handle); in big_terminate_sync()
752 if (d->big_sync_term) in big_terminate_sync()
753 hci_le_big_terminate_sync(hdev, d->big); in big_terminate_sync()
755 if (d->pa_sync_term) in big_terminate_sync()
756 return hci_le_pa_terminate_sync(hdev, d->sync_handle); in big_terminate_sync()
766 if (d->big != conn->iso_qos.bcast.big) in find_bis()
769 d->count++; in find_bis()
777 bt_dev_dbg(hdev, "big 0x%2.2x sync_handle 0x%4.4x", big, conn->sync_handle); in hci_le_big_terminate()
781 return -ENOMEM; in hci_le_big_terminate()
783 d->big = big; in hci_le_big_terminate()
784 d->sync_handle = conn->sync_handle; in hci_le_big_terminate()
786 if (test_and_clear_bit(HCI_CONN_PA_SYNC, &conn->flags)) { in hci_le_big_terminate()
790 if (!d->count) in hci_le_big_terminate()
791 d->pa_sync_term = true; in hci_le_big_terminate()
793 d->count = 0; in hci_le_big_terminate()
796 if (test_and_clear_bit(HCI_CONN_BIG_SYNC, &conn->flags)) { in hci_le_big_terminate()
800 if (!d->count) in hci_le_big_terminate()
801 d->big_sync_term = true; in hci_le_big_terminate()
820 struct hci_dev *hdev = conn->hdev; in bis_cleanup()
825 if (conn->role == HCI_ROLE_MASTER) { in bis_cleanup()
826 if (!test_and_clear_bit(HCI_CONN_PER_ADV, &conn->flags)) in bis_cleanup()
832 bis = hci_conn_hash_lookup_big(hdev, conn->iso_qos.bcast.big); in bis_cleanup()
838 hci_le_big_terminate(hdev, conn->iso_qos.bcast.big, in bis_cleanup()
863 if (!bacmp(&conn->dst, BDADDR_ANY) || d->cig != conn->iso_qos.ucast.cig) in find_cis()
866 d->count++; in find_cis()
875 struct hci_dev *hdev = conn->hdev; in cis_cleanup()
878 if (conn->iso_qos.ucast.cig == BT_ISO_QOS_CIG_UNSET) in cis_cleanup()
882 d.cig = conn->iso_qos.ucast.cig; in cis_cleanup()
893 hci_le_remove_cig(hdev, conn->iso_qos.ucast.cig); in cis_cleanup()
898 return ida_alloc_range(&hdev->unset_handle_ida, HCI_CONN_HANDLE_MAX + 1, in hci_conn_hash_alloc_unset()
909 if (!hdev->acl_mtu) in __hci_conn_add()
910 return ERR_PTR(-ECONNREFUSED); in __hci_conn_add()
913 if (hdev->iso_mtu) in __hci_conn_add()
918 if (hdev->le_mtu && hdev->le_mtu < HCI_MIN_LE_MTU) in __hci_conn_add()
919 return ERR_PTR(-ECONNREFUSED); in __hci_conn_add()
920 if (!hdev->le_mtu && hdev->acl_mtu < HCI_MIN_LE_MTU) in __hci_conn_add()
921 return ERR_PTR(-ECONNREFUSED); in __hci_conn_add()
925 if (!hdev->sco_pkts) in __hci_conn_add()
927 return ERR_PTR(-ECONNREFUSED); in __hci_conn_add()
930 return ERR_PTR(-ECONNREFUSED); in __hci_conn_add()
937 return ERR_PTR(-ENOMEM); in __hci_conn_add()
939 bacpy(&conn->dst, dst); in __hci_conn_add()
940 bacpy(&conn->src, &hdev->bdaddr); in __hci_conn_add()
941 conn->handle = handle; in __hci_conn_add()
942 conn->hdev = hdev; in __hci_conn_add()
943 conn->type = type; in __hci_conn_add()
944 conn->role = role; in __hci_conn_add()
945 conn->mode = HCI_CM_ACTIVE; in __hci_conn_add()
946 conn->state = BT_OPEN; in __hci_conn_add()
947 conn->auth_type = HCI_AT_GENERAL_BONDING; in __hci_conn_add()
948 conn->io_capability = hdev->io_capability; in __hci_conn_add()
949 conn->remote_auth = 0xff; in __hci_conn_add()
950 conn->key_type = 0xff; in __hci_conn_add()
951 conn->rssi = HCI_RSSI_INVALID; in __hci_conn_add()
952 conn->tx_power = HCI_TX_POWER_INVALID; in __hci_conn_add()
953 conn->max_tx_power = HCI_TX_POWER_INVALID; in __hci_conn_add()
954 conn->sync_handle = HCI_SYNC_HANDLE_INVALID; in __hci_conn_add()
956 set_bit(HCI_CONN_POWER_SAVE, &conn->flags); in __hci_conn_add()
957 conn->disc_timeout = HCI_DISCONN_TIMEOUT; in __hci_conn_add()
960 conn->auth_payload_timeout = DEFAULT_AUTH_PAYLOAD_TIMEOUT; in __hci_conn_add()
962 if (conn->role == HCI_ROLE_MASTER) in __hci_conn_add()
963 conn->out = true; in __hci_conn_add()
967 conn->pkt_type = hdev->pkt_type & ACL_PTYPE_MASK; in __hci_conn_add()
968 conn->mtu = hdev->acl_mtu; in __hci_conn_add()
971 /* conn->src should reflect the local identity address */ in __hci_conn_add()
972 hci_copy_identity_address(hdev, &conn->src, &conn->src_type); in __hci_conn_add()
973 conn->mtu = hdev->le_mtu ? hdev->le_mtu : hdev->acl_mtu; in __hci_conn_add()
976 /* conn->src should reflect the local identity address */ in __hci_conn_add()
977 hci_copy_identity_address(hdev, &conn->src, &conn->src_type); in __hci_conn_add()
981 conn->cleanup = bis_cleanup; in __hci_conn_add()
982 else if (conn->role == HCI_ROLE_MASTER) in __hci_conn_add()
983 conn->cleanup = cis_cleanup; in __hci_conn_add()
985 conn->mtu = hdev->iso_mtu ? hdev->iso_mtu : in __hci_conn_add()
986 hdev->le_mtu ? hdev->le_mtu : hdev->acl_mtu; in __hci_conn_add()
990 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) | in __hci_conn_add()
991 (hdev->esco_type & EDR_ESCO_MASK); in __hci_conn_add()
993 conn->pkt_type = hdev->pkt_type & SCO_PTYPE_MASK; in __hci_conn_add()
995 conn->mtu = hdev->sco_mtu; in __hci_conn_add()
998 conn->pkt_type = hdev->esco_type & ~EDR_ESCO_MASK; in __hci_conn_add()
999 conn->mtu = hdev->sco_mtu; in __hci_conn_add()
1003 skb_queue_head_init(&conn->data_q); in __hci_conn_add()
1005 INIT_LIST_HEAD(&conn->chan_list); in __hci_conn_add()
1006 INIT_LIST_HEAD(&conn->link_list); in __hci_conn_add()
1008 INIT_DELAYED_WORK(&conn->disc_work, hci_conn_timeout); in __hci_conn_add()
1009 INIT_DELAYED_WORK(&conn->auto_accept_work, hci_conn_auto_accept); in __hci_conn_add()
1010 INIT_DELAYED_WORK(&conn->idle_work, hci_conn_idle); in __hci_conn_add()
1011 INIT_DELAYED_WORK(&conn->le_conn_timeout, le_conn_timeout); in __hci_conn_add()
1013 atomic_set(&conn->refcnt, 0); in __hci_conn_add()
1023 if (conn->type != SCO_LINK && conn->type != ESCO_LINK) { in __hci_conn_add()
1024 if (hdev->notify) in __hci_conn_add()
1025 hdev->notify(hdev, HCI_NOTIFY_CONN_ADD); in __hci_conn_add()
1042 return ERR_PTR(-ECONNREFUSED); in hci_conn_add_unset()
1051 return ERR_PTR(-EINVAL); in hci_conn_add()
1065 switch (conn->type) { in hci_conn_cleanup_child()
1068 if (HCI_CONN_HANDLE_UNSET(conn->handle)) in hci_conn_cleanup_child()
1072 if ((conn->state != BT_CONNECTED && in hci_conn_cleanup_child()
1073 !test_bit(HCI_CONN_CREATE_CIS, &conn->flags)) || in hci_conn_cleanup_child()
1074 test_bit(HCI_CONN_BIG_CREATED, &conn->flags)) in hci_conn_cleanup_child()
1082 struct hci_dev *hdev = conn->hdev; in hci_conn_unlink()
1086 if (!conn->parent) { in hci_conn_unlink()
1089 list_for_each_entry_safe(link, t, &conn->link_list, list) { in hci_conn_unlink()
1090 struct hci_conn *child = link->conn; in hci_conn_unlink()
1099 if (!test_bit(HCI_UP, &hdev->flags)) in hci_conn_unlink()
1102 hci_conn_cleanup_child(child, conn->abort_reason); in hci_conn_unlink()
1108 if (!conn->link) in hci_conn_unlink()
1111 list_del_rcu(&conn->link->list); in hci_conn_unlink()
1114 hci_conn_drop(conn->parent); in hci_conn_unlink()
1115 hci_conn_put(conn->parent); in hci_conn_unlink()
1116 conn->parent = NULL; in hci_conn_unlink()
1118 kfree(conn->link); in hci_conn_unlink()
1119 conn->link = NULL; in hci_conn_unlink()
1124 struct hci_dev *hdev = conn->hdev; in hci_conn_del()
1126 BT_DBG("%s hcon %p handle %d", hdev->name, conn, conn->handle); in hci_conn_del()
1130 cancel_delayed_work_sync(&conn->disc_work); in hci_conn_del()
1131 cancel_delayed_work_sync(&conn->auto_accept_work); in hci_conn_del()
1132 cancel_delayed_work_sync(&conn->idle_work); in hci_conn_del()
1134 if (conn->type == ACL_LINK) { in hci_conn_del()
1136 hdev->acl_cnt += conn->sent; in hci_conn_del()
1137 } else if (conn->type == LE_LINK) { in hci_conn_del()
1138 cancel_delayed_work(&conn->le_conn_timeout); in hci_conn_del()
1140 if (hdev->le_pkts) in hci_conn_del()
1141 hdev->le_cnt += conn->sent; in hci_conn_del()
1143 hdev->acl_cnt += conn->sent; in hci_conn_del()
1146 if (conn->type == ISO_LINK) { in hci_conn_del()
1147 if (hdev->iso_pkts) in hci_conn_del()
1148 hdev->iso_cnt += conn->sent; in hci_conn_del()
1149 else if (hdev->le_pkts) in hci_conn_del()
1150 hdev->le_cnt += conn->sent; in hci_conn_del()
1152 hdev->acl_cnt += conn->sent; in hci_conn_del()
1156 skb_queue_purge(&conn->data_q); in hci_conn_del()
1174 BT_DBG("%pMR -> %pMR", src, dst); in hci_get_route()
1179 if (!test_bit(HCI_UP, &d->flags) || in hci_get_route()
1184 * No source address - find interface with bdaddr != dst in hci_get_route()
1185 * Source address - find interface with bdaddr == src in hci_get_route()
1195 bacpy(&id_addr, &d->bdaddr); in hci_get_route()
1204 /* Convert from HCI to three-value type */ in hci_get_route()
1215 if (bacmp(&d->bdaddr, dst)) { in hci_get_route()
1229 /* This function requires the caller holds hdev->lock */
1232 struct hci_dev *hdev = conn->hdev; in hci_le_conn_failed()
1242 /* This function requires the caller holds hdev->lock */
1245 struct hci_dev *hdev = conn->hdev; in hci_conn_failed()
1249 switch (conn->type) { in hci_conn_failed()
1261 test_and_clear_bit(HCI_CONN_BIG_SYNC_FAILED, &conn->flags); in hci_conn_failed()
1262 test_and_clear_bit(HCI_CONN_PA_SYNC_FAILED, &conn->flags); in hci_conn_failed()
1264 conn->state = BT_CLOSED; in hci_conn_failed()
1269 /* This function requires the caller holds hdev->lock */
1272 struct hci_dev *hdev = conn->hdev; in hci_conn_set_handle()
1276 if (conn->handle == handle) in hci_conn_set_handle()
1288 if (conn->abort_reason) in hci_conn_set_handle()
1289 return conn->abort_reason; in hci_conn_set_handle()
1291 if (HCI_CONN_HANDLE_UNSET(conn->handle)) in hci_conn_set_handle()
1292 ida_free(&hdev->unset_handle_ida, conn->handle); in hci_conn_set_handle()
1294 conn->handle = handle; in hci_conn_set_handle()
1310 return ERR_PTR(-ECONNREFUSED); in hci_connect_le()
1312 return ERR_PTR(-EOPNOTSUPP); in hci_connect_le()
1316 * time, we return -EBUSY if there is any connection attempt running. in hci_connect_le()
1319 return ERR_PTR(-EBUSY); in hci_connect_le()
1327 if (conn && !test_bit(HCI_CONN_SCANNING, &conn->flags)) { in hci_connect_le()
1328 return ERR_PTR(-EBUSY); in hci_connect_le()
1345 if (irk && bacmp(&irk->rpa, BDADDR_ANY)) { in hci_connect_le()
1346 dst = &irk->rpa; in hci_connect_le()
1352 bacpy(&conn->dst, dst); in hci_connect_le()
1358 conn->pending_sec_level = sec_level; in hci_connect_le()
1361 conn->dst_type = dst_type; in hci_connect_le()
1362 conn->sec_level = BT_SECURITY_LOW; in hci_connect_le()
1363 conn->conn_timeout = conn_timeout; in hci_connect_le()
1364 conn->le_adv_phy = phy; in hci_connect_le()
1365 conn->le_adv_sec_phy = sec_phy; in hci_connect_le()
1384 if (conn->state != BT_CONNECTED) in is_connected()
1390 /* This function requires the caller holds hdev->lock */
1397 return -EISCONN; in hci_explicit_conn_params_set()
1403 return -ENOMEM; in hci_explicit_conn_params_set()
1409 params->auto_connect = HCI_AUTO_CONN_EXPLICIT; in hci_explicit_conn_params_set()
1413 if (params->auto_connect == HCI_AUTO_CONN_DISABLED || in hci_explicit_conn_params_set()
1414 params->auto_connect == HCI_AUTO_CONN_REPORT || in hci_explicit_conn_params_set()
1415 params->auto_connect == HCI_AUTO_CONN_EXPLICIT) { in hci_explicit_conn_params_set()
1417 hci_pend_le_list_add(params, &hdev->pend_le_conns); in hci_explicit_conn_params_set()
1420 params->explicit_connect = true; in hci_explicit_conn_params_set()
1423 params->auto_connect); in hci_explicit_conn_params_set()
1434 if (qos->bcast.big == BT_ISO_QOS_BIG_UNSET) { in qos_set_big()
1443 return -EADDRNOTAVAIL; in qos_set_big()
1446 qos->bcast.big = big; in qos_set_big()
1458 if (qos->bcast.bis == BT_ISO_QOS_BIS_UNSET) { in qos_set_bis()
1459 if (qos->bcast.big != BT_ISO_QOS_BIG_UNSET) { in qos_set_bis()
1460 conn = hci_conn_hash_lookup_big(hdev, qos->bcast.big); in qos_set_bis()
1466 qos->bcast.bis = conn->iso_qos.bcast.bis; in qos_set_bis()
1474 for (bis = 0x01; bis < hdev->le_num_of_adv_sets; in qos_set_bis()
1482 if (bis == hdev->le_num_of_adv_sets) in qos_set_bis()
1483 return -EADDRNOTAVAIL; in qos_set_bis()
1486 qos->bcast.bis = bis; in qos_set_bis()
1492 /* This function requires the caller holds hdev->lock */
1503 return ERR_PTR(-ECONNREFUSED); in hci_add_bis()
1504 return ERR_PTR(-EOPNOTSUPP); in hci_add_bis()
1516 conn = hci_conn_hash_lookup_per_adv_bis(hdev, dst, qos->bcast.big, in hci_add_bis()
1517 qos->bcast.big); in hci_add_bis()
1519 return ERR_PTR(-EADDRINUSE); in hci_add_bis()
1524 conn = hci_conn_hash_lookup_big(hdev, qos->bcast.big); in hci_add_bis()
1526 if (conn && (memcmp(qos, &conn->iso_qos, sizeof(*qos)) || in hci_add_bis()
1527 base_len != conn->le_per_adv_data_len || in hci_add_bis()
1528 memcmp(conn->le_per_adv_data, base, base_len))) in hci_add_bis()
1529 return ERR_PTR(-EADDRINUSE); in hci_add_bis()
1535 conn->state = BT_CONNECT; in hci_add_bis()
1541 /* This function requires the caller holds hdev->lock */
1552 return ERR_PTR(-ECONNREFUSED); in hci_connect_le_scan()
1554 return ERR_PTR(-EOPNOTSUPP); in hci_connect_le_scan()
1558 * established. To be able to handle these ATT messages, the user- in hci_connect_le_scan()
1568 if (conn->pending_sec_level < sec_level) in hci_connect_le_scan()
1569 conn->pending_sec_level = sec_level; in hci_connect_le_scan()
1581 return ERR_PTR(-EBUSY); in hci_connect_le_scan()
1584 conn->state = BT_CONNECT; in hci_connect_le_scan()
1585 set_bit(HCI_CONN_SCANNING, &conn->flags); in hci_connect_le_scan()
1586 conn->dst_type = dst_type; in hci_connect_le_scan()
1587 conn->sec_level = BT_SECURITY_LOW; in hci_connect_le_scan()
1588 conn->pending_sec_level = sec_level; in hci_connect_le_scan()
1589 conn->conn_timeout = conn_timeout; in hci_connect_le_scan()
1590 conn->conn_reason = conn_reason; in hci_connect_le_scan()
1607 return ERR_PTR(-ECONNREFUSED); in hci_connect_acl()
1609 return ERR_PTR(-EOPNOTSUPP); in hci_connect_acl()
1613 * CVE-2020-26555 in hci_connect_acl()
1615 if (!bacmp(&hdev->bdaddr, dst)) { in hci_connect_acl()
1618 return ERR_PTR(-ECONNREFUSED); in hci_connect_acl()
1630 acl->conn_reason = conn_reason; in hci_connect_acl()
1631 if (acl->state == BT_OPEN || acl->state == BT_CLOSED) { in hci_connect_acl()
1634 acl->sec_level = BT_SECURITY_LOW; in hci_connect_acl()
1635 acl->pending_sec_level = sec_level; in hci_connect_acl()
1636 acl->auth_type = auth_type; in hci_connect_acl()
1637 acl->conn_timeout = timeout; in hci_connect_acl()
1652 struct hci_dev *hdev = parent->hdev; in hci_conn_link()
1657 if (conn->link) in hci_conn_link()
1658 return conn->link; in hci_conn_link()
1660 if (conn->parent) in hci_conn_link()
1667 link->conn = hci_conn_hold(conn); in hci_conn_link()
1668 conn->link = link; in hci_conn_link()
1669 conn->parent = hci_conn_get(parent); in hci_conn_link()
1672 list_add_tail_rcu(&link->list, &parent->link_list); in hci_conn_link()
1703 return ERR_PTR(-ENOLINK); in hci_connect_sco()
1706 sco->setting = setting; in hci_connect_sco()
1707 sco->codec = *codec; in hci_connect_sco()
1709 if (acl->state == BT_CONNECTED && in hci_connect_sco()
1710 (sco->state == BT_OPEN || sco->state == BT_CLOSED)) { in hci_connect_sco()
1711 set_bit(HCI_CONN_POWER_SAVE, &acl->flags); in hci_connect_sco()
1714 if (test_bit(HCI_CONN_MODE_CHANGE_PEND, &acl->flags)) { in hci_connect_sco()
1716 set_bit(HCI_CONN_SCO_SETUP_PEND, &acl->flags); in hci_connect_sco()
1728 struct hci_dev *hdev = conn->hdev; in hci_le_create_big()
1734 data.big = qos->bcast.big; in hci_le_create_big()
1735 data.bis = qos->bcast.bis; in hci_le_create_big()
1742 cp.handle = qos->bcast.big; in hci_le_create_big()
1743 cp.adv_handle = qos->bcast.bis; in hci_le_create_big()
1745 hci_cpu_to_le24(qos->bcast.out.interval, cp.bis.sdu_interval); in hci_le_create_big()
1746 cp.bis.sdu = cpu_to_le16(qos->bcast.out.sdu); in hci_le_create_big()
1747 cp.bis.latency = cpu_to_le16(qos->bcast.out.latency); in hci_le_create_big()
1748 cp.bis.rtn = qos->bcast.out.rtn; in hci_le_create_big()
1749 cp.bis.phy = qos->bcast.out.phy; in hci_le_create_big()
1750 cp.bis.packing = qos->bcast.packing; in hci_le_create_big()
1751 cp.bis.framing = qos->bcast.framing; in hci_le_create_big()
1752 cp.bis.encryption = qos->bcast.encryption; in hci_le_create_big()
1753 memcpy(cp.bis.bcode, qos->bcast.bcode, sizeof(cp.bis.bcode)); in hci_le_create_big()
1771 qos = &conn->iso_qos; in set_cig_params_sync()
1772 pdu->cig_id = cig_id; in set_cig_params_sync()
1773 hci_cpu_to_le24(qos->ucast.out.interval, pdu->c_interval); in set_cig_params_sync()
1774 hci_cpu_to_le24(qos->ucast.in.interval, pdu->p_interval); in set_cig_params_sync()
1775 pdu->sca = qos->ucast.sca; in set_cig_params_sync()
1776 pdu->packing = qos->ucast.packing; in set_cig_params_sync()
1777 pdu->framing = qos->ucast.framing; in set_cig_params_sync()
1778 pdu->c_latency = cpu_to_le16(qos->ucast.out.latency); in set_cig_params_sync()
1779 pdu->p_latency = cpu_to_le16(qos->ucast.in.latency); in set_cig_params_sync()
1786 aux_num_cis < pdu->num_cis; cis_id++) { in set_cig_params_sync()
1793 qos = &conn->iso_qos; in set_cig_params_sync()
1795 cis = &pdu->cis[aux_num_cis++]; in set_cig_params_sync()
1796 cis->cis_id = cis_id; in set_cig_params_sync()
1797 cis->c_sdu = cpu_to_le16(conn->iso_qos.ucast.out.sdu); in set_cig_params_sync()
1798 cis->p_sdu = cpu_to_le16(conn->iso_qos.ucast.in.sdu); in set_cig_params_sync()
1799 cis->c_phy = qos->ucast.out.phy ? qos->ucast.out.phy : in set_cig_params_sync()
1800 qos->ucast.in.phy; in set_cig_params_sync()
1801 cis->p_phy = qos->ucast.in.phy ? qos->ucast.in.phy : in set_cig_params_sync()
1802 qos->ucast.out.phy; in set_cig_params_sync()
1803 cis->c_rtn = qos->ucast.out.rtn; in set_cig_params_sync()
1804 cis->p_rtn = qos->ucast.in.rtn; in set_cig_params_sync()
1806 pdu->num_cis = aux_num_cis; in set_cig_params_sync()
1808 if (!pdu->num_cis) in set_cig_params_sync()
1812 struct_size(pdu, cis, pdu->num_cis), in set_cig_params_sync()
1818 struct hci_dev *hdev = conn->hdev; in hci_le_set_cig_params()
1824 if (qos->ucast.cig == BT_ISO_QOS_CIG_UNSET) { in hci_le_set_cig_params()
1843 qos->ucast.cig = data.cig; in hci_le_set_cig_params()
1846 if (qos->ucast.cis != BT_ISO_QOS_CIS_UNSET) { in hci_le_set_cig_params()
1847 if (hci_conn_hash_lookup_cis(hdev, NULL, 0, qos->ucast.cig, in hci_le_set_cig_params()
1848 qos->ucast.cis)) in hci_le_set_cig_params()
1854 for (data.cig = qos->ucast.cig, data.cis = 0x00; data.cis < 0xf0; in hci_le_set_cig_params()
1859 qos->ucast.cis = data.cis; in hci_le_set_cig_params()
1864 if (qos->ucast.cis == BT_ISO_QOS_CIS_UNSET) in hci_le_set_cig_params()
1869 UINT_PTR(qos->ucast.cig), NULL) < 0) in hci_le_set_cig_params()
1880 cis = hci_conn_hash_lookup_cis(hdev, dst, dst_type, qos->ucast.cig, in hci_bind_cis()
1881 qos->ucast.cis); in hci_bind_cis()
1886 cis->cleanup = cis_cleanup; in hci_bind_cis()
1887 cis->dst_type = dst_type; in hci_bind_cis()
1888 cis->iso_qos.ucast.cig = BT_ISO_QOS_CIG_UNSET; in hci_bind_cis()
1889 cis->iso_qos.ucast.cis = BT_ISO_QOS_CIS_UNSET; in hci_bind_cis()
1892 if (cis->state == BT_CONNECTED) in hci_bind_cis()
1896 if (cis->state == BT_BOUND && in hci_bind_cis()
1897 !memcmp(&cis->iso_qos, qos, sizeof(*qos))) in hci_bind_cis()
1901 cis->le_tx_phy = qos->ucast.out.phy; in hci_bind_cis()
1902 cis->le_rx_phy = qos->ucast.in.phy; in hci_bind_cis()
1907 if (!qos->ucast.out.interval) in hci_bind_cis()
1908 qos->ucast.out.interval = qos->ucast.in.interval; in hci_bind_cis()
1913 if (!qos->ucast.in.interval) in hci_bind_cis()
1914 qos->ucast.in.interval = qos->ucast.out.interval; in hci_bind_cis()
1919 if (!qos->ucast.out.latency) in hci_bind_cis()
1920 qos->ucast.out.latency = qos->ucast.in.latency; in hci_bind_cis()
1925 if (!qos->ucast.in.latency) in hci_bind_cis()
1926 qos->ucast.in.latency = qos->ucast.out.latency; in hci_bind_cis()
1930 return ERR_PTR(-EINVAL); in hci_bind_cis()
1935 cis->iso_qos = *qos; in hci_bind_cis()
1936 cis->state = BT_BOUND; in hci_bind_cis()
1943 struct hci_dev *hdev = conn->hdev; in hci_iso_setup_path()
1948 if (conn->iso_qos.ucast.out.sdu) { in hci_iso_setup_path()
1949 cmd.handle = cpu_to_le16(conn->handle); in hci_iso_setup_path()
1959 if (conn->iso_qos.ucast.in.sdu) { in hci_iso_setup_path()
1960 cmd.handle = cpu_to_le16(conn->handle); in hci_iso_setup_path()
1975 if (conn->type != ISO_LINK || !bacmp(&conn->dst, BDADDR_ANY)) in hci_conn_check_create_cis()
1976 return -EINVAL; in hci_conn_check_create_cis()
1978 if (!conn->parent || conn->parent->state != BT_CONNECTED || in hci_conn_check_create_cis()
1979 conn->state != BT_CONNECT || HCI_CONN_HANDLE_UNSET(conn->handle)) in hci_conn_check_create_cis()
1997 list_for_each_entry_rcu(conn, &hdev->conn_hash.list, list) { in hci_le_create_cis_pending()
1998 if (test_bit(HCI_CONN_CREATE_CIS, &conn->flags)) { in hci_le_create_cis_pending()
2000 return -EBUSY; in hci_le_create_cis_pending()
2020 if (!qos->sdu && qos->phy) in hci_iso_qos_setup()
2021 qos->sdu = conn->mtu; in hci_iso_qos_setup()
2024 if (qos->phy == BT_ISO_PHY_ANY) in hci_iso_qos_setup()
2025 qos->phy = phy; in hci_iso_qos_setup()
2028 if (!qos->interval) in hci_iso_qos_setup()
2030 qos->interval = conn->le_conn_interval * 1250; in hci_iso_qos_setup()
2033 if (!qos->latency) in hci_iso_qos_setup()
2034 qos->latency = conn->le_conn_latency; in hci_iso_qos_setup()
2040 struct bt_iso_qos *qos = &conn->iso_qos; in create_big_sync()
2045 if (qos->bcast.out.phy == 0x02) in create_big_sync()
2049 interval = (qos->bcast.out.interval / 1250) * qos->bcast.sync_factor; in create_big_sync()
2051 if (qos->bcast.bis) in create_big_sync()
2054 err = hci_start_per_adv_sync(hdev, qos->bcast.bis, conn->le_per_adv_data_len, in create_big_sync()
2055 conn->le_per_adv_data, flags, interval, in create_big_sync()
2060 return hci_le_create_big(conn, &conn->iso_qos); in create_big_sync()
2099 return ERR_PTR(-EBUSY); in hci_pa_create_sync()
2105 conn->iso_qos = *qos; in hci_pa_create_sync()
2106 conn->state = BT_LISTEN; in hci_pa_create_sync()
2114 return ERR_PTR(-ENOMEM); in hci_pa_create_sync()
2117 cp->options = qos->bcast.options; in hci_pa_create_sync()
2118 cp->sid = sid; in hci_pa_create_sync()
2119 cp->addr_type = dst_type; in hci_pa_create_sync()
2120 bacpy(&cp->addr, dst); in hci_pa_create_sync()
2121 cp->skip = cpu_to_le16(qos->bcast.skip); in hci_pa_create_sync()
2122 cp->sync_timeout = cpu_to_le16(qos->bcast.sync_timeout); in hci_pa_create_sync()
2123 cp->sync_cte_type = qos->bcast.sync_cte_type; in hci_pa_create_sync()
2143 if (num_bis < 0x01 || num_bis > pdu->num_bis) in hci_le_big_create_sync()
2144 return -EINVAL; in hci_le_big_create_sync()
2151 hcon->iso_qos.bcast.big = qos->bcast.big; in hci_le_big_create_sync()
2153 pdu->handle = qos->bcast.big; in hci_le_big_create_sync()
2154 pdu->sync_handle = cpu_to_le16(sync_handle); in hci_le_big_create_sync()
2155 pdu->encryption = qos->bcast.encryption; in hci_le_big_create_sync()
2156 memcpy(pdu->bcode, qos->bcast.bcode, sizeof(pdu->bcode)); in hci_le_big_create_sync()
2157 pdu->mse = qos->bcast.mse; in hci_le_big_create_sync()
2158 pdu->timeout = cpu_to_le16(qos->bcast.timeout); in hci_le_big_create_sync()
2159 pdu->num_bis = num_bis; in hci_le_big_create_sync()
2160 memcpy(pdu->bis, bis, num_bis); in hci_le_big_create_sync()
2189 conn = hci_conn_hash_lookup_big_state(hdev, qos->bcast.big, BT_OPEN); in hci_bind_bis()
2191 memcpy(qos, &conn->iso_qos, sizeof(*qos)); in hci_bind_bis()
2192 conn->state = BT_CONNECTED; in hci_bind_bis()
2206 conn->le_tx_phy = qos->bcast.out.phy; in hci_bind_bis()
2207 conn->le_tx_phy = qos->bcast.out.phy; in hci_bind_bis()
2211 memcpy(conn->le_per_adv_data, eir, sizeof(eir)); in hci_bind_bis()
2212 conn->le_per_adv_data_len = base_len; in hci_bind_bis()
2215 hci_iso_qos_setup(hdev, conn, &qos->bcast.out, in hci_bind_bis()
2216 conn->le_tx_phy ? conn->le_tx_phy : in hci_bind_bis()
2217 hdev->le_tx_def_phys); in hci_bind_bis()
2219 conn->iso_qos = *qos; in hci_bind_bis()
2220 conn->state = BT_BOUND; in hci_bind_bis()
2224 conn->iso_qos.bcast.big); in hci_bind_bis()
2229 return ERR_PTR(-ENOLINK); in hci_bind_bis()
2244 if (bacmp(&conn->dst, BDADDR_ANY)) in bis_mark_per_adv()
2247 if (d->big != conn->iso_qos.bcast.big || in bis_mark_per_adv()
2248 d->bis == BT_ISO_QOS_BIS_UNSET || in bis_mark_per_adv()
2249 d->bis != conn->iso_qos.bcast.bis) in bis_mark_per_adv()
2252 set_bit(HCI_CONN_PER_ADV, &conn->flags); in bis_mark_per_adv()
2267 if (conn->state == BT_CONNECTED) in hci_connect_bis()
2270 data.big = qos->bcast.big; in hci_connect_bis()
2271 data.bis = qos->bcast.bis; in hci_connect_bis()
2311 hci_iso_qos_setup(hdev, le, &qos->ucast.out, in hci_connect_cis()
2312 le->le_tx_phy ? le->le_tx_phy : hdev->le_tx_def_phys); in hci_connect_cis()
2313 hci_iso_qos_setup(hdev, le, &qos->ucast.in, in hci_connect_cis()
2314 le->le_rx_phy ? le->le_rx_phy : hdev->le_rx_def_phys); in hci_connect_cis()
2326 return ERR_PTR(-ENOLINK); in hci_connect_cis()
2332 cis->state = BT_CONNECT; in hci_connect_cis()
2345 * Connections is used and the link is encrypted with AES-CCM in hci_conn_check_link_mode()
2346 * using a P-256 authenticated combination key. in hci_conn_check_link_mode()
2348 if (hci_dev_test_flag(conn->hdev, HCI_SC_ONLY)) { in hci_conn_check_link_mode()
2350 !test_bit(HCI_CONN_AES_CCM, &conn->flags) || in hci_conn_check_link_mode()
2351 conn->key_type != HCI_LK_AUTH_COMBINATION_P256) in hci_conn_check_link_mode()
2360 * 128-bit equivalent strength for link and encryption keys in hci_conn_check_link_mode()
2362 * SAFER+ not allowed, and P-192 not allowed; encryption key in hci_conn_check_link_mode()
2365 if (conn->sec_level == BT_SECURITY_FIPS && in hci_conn_check_link_mode()
2366 !test_bit(HCI_CONN_AES_CCM, &conn->flags)) { in hci_conn_check_link_mode()
2367 bt_dev_err(conn->hdev, in hci_conn_check_link_mode()
2368 "Invalid security: Missing AES-CCM usage"); in hci_conn_check_link_mode()
2373 !test_bit(HCI_CONN_ENCRYPT, &conn->flags)) in hci_conn_check_link_mode()
2384 if (conn->pending_sec_level > sec_level) in hci_conn_auth()
2385 sec_level = conn->pending_sec_level; in hci_conn_auth()
2387 if (sec_level > conn->sec_level) in hci_conn_auth()
2388 conn->pending_sec_level = sec_level; in hci_conn_auth()
2389 else if (test_bit(HCI_CONN_AUTH, &conn->flags)) in hci_conn_auth()
2393 auth_type |= (conn->auth_type & 0x01); in hci_conn_auth()
2395 conn->auth_type = auth_type; in hci_conn_auth()
2397 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { in hci_conn_auth()
2400 cp.handle = cpu_to_le16(conn->handle); in hci_conn_auth()
2401 hci_send_cmd(conn->hdev, HCI_OP_AUTH_REQUESTED, in hci_conn_auth()
2407 if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) in hci_conn_auth()
2408 set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); in hci_conn_auth()
2419 if (!test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) { in hci_conn_encrypt()
2421 cp.handle = cpu_to_le16(conn->handle); in hci_conn_encrypt()
2423 hci_send_cmd(conn->hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), in hci_conn_encrypt()
2434 if (conn->type == LE_LINK) in hci_conn_security()
2447 if (!test_bit(HCI_CONN_AUTH, &conn->flags)) in hci_conn_security()
2450 switch (conn->key_type) { in hci_conn_security()
2479 if (sec_level <= BT_SECURITY_MEDIUM || conn->pin_length == 16) in hci_conn_security()
2487 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) in hci_conn_security()
2491 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags); in hci_conn_security()
2497 if (test_bit(HCI_CONN_ENCRYPT, &conn->flags)) { in hci_conn_security()
2501 if (!conn->enc_key_size) in hci_conn_security()
2518 /* Accept if non-secure or higher security level is required */ in hci_conn_check_secure()
2523 if (conn->sec_level == BT_SECURITY_HIGH || in hci_conn_check_secure()
2524 conn->sec_level == BT_SECURITY_FIPS) in hci_conn_check_secure()
2537 if (role == conn->role) in hci_conn_switch_role()
2540 if (!test_and_set_bit(HCI_CONN_RSWITCH_PEND, &conn->flags)) { in hci_conn_switch_role()
2542 bacpy(&cp.bdaddr, &conn->dst); in hci_conn_switch_role()
2544 hci_send_cmd(conn->hdev, HCI_OP_SWITCH_ROLE, sizeof(cp), &cp); in hci_conn_switch_role()
2554 struct hci_dev *hdev = conn->hdev; in hci_conn_enter_active_mode()
2556 BT_DBG("hcon %p mode %d", conn, conn->mode); in hci_conn_enter_active_mode()
2558 if (conn->mode != HCI_CM_SNIFF) in hci_conn_enter_active_mode()
2561 if (!test_bit(HCI_CONN_POWER_SAVE, &conn->flags) && !force_active) in hci_conn_enter_active_mode()
2564 if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags)) { in hci_conn_enter_active_mode()
2566 cp.handle = cpu_to_le16(conn->handle); in hci_conn_enter_active_mode()
2571 if (hdev->idle_timeout > 0) in hci_conn_enter_active_mode()
2572 queue_delayed_work(hdev->workqueue, &conn->idle_work, in hci_conn_enter_active_mode()
2573 msecs_to_jiffies(hdev->idle_timeout)); in hci_conn_enter_active_mode()
2579 struct list_head *head = &hdev->conn_hash.list; in hci_conn_hash_flush()
2582 BT_DBG("hdev %s", hdev->name); in hci_conn_hash_flush()
2591 conn->state = BT_CLOSED; in hci_conn_hash_flush()
2601 if (conn->role == HCI_ROLE_MASTER) in get_link_mode()
2604 if (test_bit(HCI_CONN_ENCRYPT, &conn->flags)) in get_link_mode()
2607 if (test_bit(HCI_CONN_AUTH, &conn->flags)) in get_link_mode()
2610 if (test_bit(HCI_CONN_SECURE, &conn->flags)) in get_link_mode()
2613 if (test_bit(HCI_CONN_FIPS, &conn->flags)) in get_link_mode()
2628 return -EFAULT; in hci_get_conn_list()
2631 return -EINVAL; in hci_get_conn_list()
2637 return -ENOMEM; in hci_get_conn_list()
2642 return -ENODEV; in hci_get_conn_list()
2645 ci = cl->conn_info; in hci_get_conn_list()
2648 list_for_each_entry(c, &hdev->conn_hash.list, list) { in hci_get_conn_list()
2649 bacpy(&(ci + n)->bdaddr, &c->dst); in hci_get_conn_list()
2650 (ci + n)->handle = c->handle; in hci_get_conn_list()
2651 (ci + n)->type = c->type; in hci_get_conn_list()
2652 (ci + n)->out = c->out; in hci_get_conn_list()
2653 (ci + n)->state = c->state; in hci_get_conn_list()
2654 (ci + n)->link_mode = get_link_mode(c); in hci_get_conn_list()
2660 cl->dev_id = hdev->id; in hci_get_conn_list()
2661 cl->conn_num = n; in hci_get_conn_list()
2669 return err ? -EFAULT : 0; in hci_get_conn_list()
2680 return -EFAULT; in hci_get_conn_info()
2685 bacpy(&ci.bdaddr, &conn->dst); in hci_get_conn_info()
2686 ci.handle = conn->handle; in hci_get_conn_info()
2687 ci.type = conn->type; in hci_get_conn_info()
2688 ci.out = conn->out; in hci_get_conn_info()
2689 ci.state = conn->state; in hci_get_conn_info()
2695 return -ENOENT; in hci_get_conn_info()
2697 return copy_to_user(ptr, &ci, sizeof(ci)) ? -EFAULT : 0; in hci_get_conn_info()
2706 return -EFAULT; in hci_get_auth_info()
2711 req.type = conn->auth_type; in hci_get_auth_info()
2715 return -ENOENT; in hci_get_auth_info()
2717 return copy_to_user(arg, &req, sizeof(req)) ? -EFAULT : 0; in hci_get_auth_info()
2722 struct hci_dev *hdev = conn->hdev; in hci_chan_create()
2725 BT_DBG("%s hcon %p", hdev->name, conn); in hci_chan_create()
2727 if (test_bit(HCI_CONN_DROP, &conn->flags)) { in hci_chan_create()
2736 chan->conn = hci_conn_get(conn); in hci_chan_create()
2737 skb_queue_head_init(&chan->data_q); in hci_chan_create()
2738 chan->state = BT_CONNECTED; in hci_chan_create()
2740 list_add_rcu(&chan->list, &conn->chan_list); in hci_chan_create()
2747 struct hci_conn *conn = chan->conn; in hci_chan_del()
2748 struct hci_dev *hdev = conn->hdev; in hci_chan_del()
2750 BT_DBG("%s hcon %p chan %p", hdev->name, conn, chan); in hci_chan_del()
2752 list_del_rcu(&chan->list); in hci_chan_del()
2757 set_bit(HCI_CONN_DROP, &conn->flags); in hci_chan_del()
2761 skb_queue_purge(&chan->data_q); in hci_chan_del()
2771 list_for_each_entry_safe(chan, n, &conn->chan_list, list) in hci_chan_list_flush()
2780 list_for_each_entry(hchan, &hcon->chan_list, list) { in __hci_chan_lookup_handle()
2781 if (hchan->handle == handle) in __hci_chan_lookup_handle()
2790 struct hci_conn_hash *h = &hdev->conn_hash; in hci_chan_lookup_handle()
2796 list_for_each_entry_rcu(hcon, &h->list, list) { in hci_chan_lookup_handle()
2815 switch (conn->type) { in hci_conn_get_phy()
2830 if (conn->pkt_type & (HCI_DM3 | HCI_DH3)) in hci_conn_get_phy()
2833 if (conn->pkt_type & (HCI_DM5 | HCI_DH5)) in hci_conn_get_phy()
2837 * 2-DH1, 2-DH3 and 2-DH5. in hci_conn_get_phy()
2839 if (!(conn->pkt_type & HCI_2DH1)) in hci_conn_get_phy()
2842 if (!(conn->pkt_type & HCI_2DH3)) in hci_conn_get_phy()
2845 if (!(conn->pkt_type & HCI_2DH5)) in hci_conn_get_phy()
2849 * 3-DH1, 3-DH3 and 3-DH5. in hci_conn_get_phy()
2851 if (!(conn->pkt_type & HCI_3DH1)) in hci_conn_get_phy()
2854 if (!(conn->pkt_type & HCI_3DH3)) in hci_conn_get_phy()
2857 if (!(conn->pkt_type & HCI_3DH5)) in hci_conn_get_phy()
2866 if (!(conn->pkt_type & (ESCO_EV4 | ESCO_EV5))) in hci_conn_get_phy()
2869 /* eSCO logical transport (2 Mb/s): 2-EV3, 2-EV5 */ in hci_conn_get_phy()
2870 if (!(conn->pkt_type & ESCO_2EV3)) in hci_conn_get_phy()
2873 if (!(conn->pkt_type & ESCO_2EV5)) in hci_conn_get_phy()
2876 /* eSCO logical transport (3 Mb/s): 3-EV3, 3-EV5 */ in hci_conn_get_phy()
2877 if (!(conn->pkt_type & ESCO_3EV3)) in hci_conn_get_phy()
2880 if (!(conn->pkt_type & ESCO_3EV5)) in hci_conn_get_phy()
2886 if (conn->le_tx_phy & HCI_LE_SET_PHY_1M) in hci_conn_get_phy()
2889 if (conn->le_rx_phy & HCI_LE_SET_PHY_1M) in hci_conn_get_phy()
2892 if (conn->le_tx_phy & HCI_LE_SET_PHY_2M) in hci_conn_get_phy()
2895 if (conn->le_rx_phy & HCI_LE_SET_PHY_2M) in hci_conn_get_phy()
2898 if (conn->le_tx_phy & HCI_LE_SET_PHY_CODED) in hci_conn_get_phy()
2901 if (conn->le_rx_phy & HCI_LE_SET_PHY_CODED) in hci_conn_get_phy()
2915 return -ECANCELED; in abort_conn_sync()
2917 return hci_abort_conn_sync(hdev, conn, conn->abort_reason); in abort_conn_sync()
2922 struct hci_dev *hdev = conn->hdev; in hci_abort_conn()
2927 if (conn->abort_reason) in hci_abort_conn()
2930 bt_dev_dbg(hdev, "handle 0x%2.2x reason 0x%2.2x", conn->handle, reason); in hci_abort_conn()
2932 conn->abort_reason = reason; in hci_abort_conn()
2941 if (conn->state == BT_CONNECT && hdev->req_status == HCI_REQ_PEND) { in hci_abort_conn()
2942 switch (hci_skb_event(hdev->sent_cmd)) { in hci_abort_conn()