Lines Matching full:conn
48 struct hci_conn *conn; member
71 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, status); in hci_connect_le_scan_cleanup()
140 static void hci_conn_cleanup(struct hci_conn *conn) in hci_conn_cleanup() argument
142 struct hci_dev *hdev = conn->hdev; in hci_conn_cleanup()
144 if (test_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags)) in hci_conn_cleanup()
145 hci_conn_params_del(conn->hdev, &conn->dst, conn->dst_type); in hci_conn_cleanup()
147 if (test_and_clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags)) in hci_conn_cleanup()
148 hci_remove_link_key(hdev, &conn->dst); in hci_conn_cleanup()
150 hci_chan_list_flush(conn); in hci_conn_cleanup()
152 hci_conn_hash_del(hdev, conn); in hci_conn_cleanup()
154 if (HCI_CONN_HANDLE_UNSET(conn->handle)) in hci_conn_cleanup()
155 ida_free(&hdev->unset_handle_ida, conn->handle); in hci_conn_cleanup()
157 if (conn->cleanup) in hci_conn_cleanup()
158 conn->cleanup(conn); in hci_conn_cleanup()
160 if (conn->type == SCO_LINK || conn->type == ESCO_LINK) { in hci_conn_cleanup()
161 switch (conn->setting & SCO_AIRMODE_MASK) { in hci_conn_cleanup()
173 debugfs_remove_recursive(conn->debugfs); in hci_conn_cleanup()
175 hci_conn_del_sysfs(conn); in hci_conn_cleanup()
180 int hci_disconnect(struct hci_conn *conn, __u8 reason) in hci_disconnect() argument
182 BT_DBG("hcon %p", conn); in hci_disconnect()
189 if (conn->type == ACL_LINK && conn->role == HCI_ROLE_MASTER && in hci_disconnect()
190 (conn->state == BT_CONNECTED || conn->state == BT_CONFIG)) { in hci_disconnect()
191 struct hci_dev *hdev = conn->hdev; in hci_disconnect()
194 clkoff_cp.handle = cpu_to_le16(conn->handle); in hci_disconnect()
199 return hci_abort_conn(conn, reason); in hci_disconnect()
202 static void hci_add_sco(struct hci_conn *conn, __u16 handle) in hci_add_sco() argument
204 struct hci_dev *hdev = conn->hdev; in hci_add_sco()
207 BT_DBG("hcon %p", conn); in hci_add_sco()
209 conn->state = BT_CONNECT; in hci_add_sco()
210 conn->out = true; in hci_add_sco()
212 conn->attempt++; in hci_add_sco()
215 cp.pkt_type = cpu_to_le16(conn->pkt_type); in hci_add_sco()
220 static bool find_next_esco_param(struct hci_conn *conn, in find_next_esco_param() argument
223 if (!conn->parent) in find_next_esco_param()
226 for (; conn->attempt <= size; conn->attempt++) { in find_next_esco_param()
227 if (lmp_esco_2m_capable(conn->parent) || in find_next_esco_param()
228 (esco_param[conn->attempt - 1].pkt_type & ESCO_2EV3)) in find_next_esco_param()
231 conn, conn->attempt); in find_next_esco_param()
234 return conn->attempt <= size; in find_next_esco_param()
286 struct hci_conn *conn = conn_handle->conn; in hci_enhanced_setup_sync() local
293 if (!hci_conn_valid(hdev, conn)) in hci_enhanced_setup_sync()
296 bt_dev_dbg(hdev, "hcon %p", conn); in hci_enhanced_setup_sync()
298 configure_datapath_sync(hdev, &conn->codec); in hci_enhanced_setup_sync()
300 conn->state = BT_CONNECT; in hci_enhanced_setup_sync()
301 conn->out = true; in hci_enhanced_setup_sync()
303 conn->attempt++; in hci_enhanced_setup_sync()
312 switch (conn->codec.id) { in hci_enhanced_setup_sync()
314 if (!find_next_esco_param(conn, esco_param_msbc, in hci_enhanced_setup_sync()
318 param = &esco_param_msbc[conn->attempt - 1]; in hci_enhanced_setup_sync()
333 cp.in_data_path = conn->codec.data_path; in hci_enhanced_setup_sync()
334 cp.out_data_path = conn->codec.data_path; in hci_enhanced_setup_sync()
340 if (!find_next_esco_param(conn, esco_param_msbc, in hci_enhanced_setup_sync()
343 param = &esco_param_msbc[conn->attempt - 1]; in hci_enhanced_setup_sync()
358 cp.in_data_path = conn->codec.data_path; in hci_enhanced_setup_sync()
359 cp.out_data_path = conn->codec.data_path; in hci_enhanced_setup_sync()
365 if (conn->parent && lmp_esco_capable(conn->parent)) { in hci_enhanced_setup_sync()
366 if (!find_next_esco_param(conn, esco_param_cvsd, in hci_enhanced_setup_sync()
369 param = &esco_param_cvsd[conn->attempt - 1]; in hci_enhanced_setup_sync()
371 if (conn->attempt > ARRAY_SIZE(sco_param_cvsd)) in hci_enhanced_setup_sync()
373 param = &sco_param_cvsd[conn->attempt - 1]; in hci_enhanced_setup_sync()
389 cp.in_data_path = conn->codec.data_path; in hci_enhanced_setup_sync()
390 cp.out_data_path = conn->codec.data_path; in hci_enhanced_setup_sync()
408 static bool hci_setup_sync_conn(struct hci_conn *conn, __u16 handle) in hci_setup_sync_conn() argument
410 struct hci_dev *hdev = conn->hdev; in hci_setup_sync_conn()
414 bt_dev_dbg(hdev, "hcon %p", conn); in hci_setup_sync_conn()
416 conn->state = BT_CONNECT; in hci_setup_sync_conn()
417 conn->out = true; in hci_setup_sync_conn()
419 conn->attempt++; in hci_setup_sync_conn()
425 cp.voice_setting = cpu_to_le16(conn->setting); in hci_setup_sync_conn()
427 switch (conn->setting & SCO_AIRMODE_MASK) { in hci_setup_sync_conn()
429 if (!find_next_esco_param(conn, esco_param_msbc, in hci_setup_sync_conn()
432 param = &esco_param_msbc[conn->attempt - 1]; in hci_setup_sync_conn()
435 if (conn->parent && lmp_esco_capable(conn->parent)) { in hci_setup_sync_conn()
436 if (!find_next_esco_param(conn, esco_param_cvsd, in hci_setup_sync_conn()
439 param = &esco_param_cvsd[conn->attempt - 1]; in hci_setup_sync_conn()
441 if (conn->attempt > ARRAY_SIZE(sco_param_cvsd)) in hci_setup_sync_conn()
443 param = &sco_param_cvsd[conn->attempt - 1]; in hci_setup_sync_conn()
460 bool hci_setup_sync(struct hci_conn *conn, __u16 handle) in hci_setup_sync() argument
465 if (enhanced_sync_conn_capable(conn->hdev)) { in hci_setup_sync()
471 conn_handle->conn = conn; in hci_setup_sync()
473 result = hci_cmd_sync_queue(conn->hdev, hci_enhanced_setup_sync, in hci_setup_sync()
481 return hci_setup_sync_conn(conn, handle); in hci_setup_sync()
484 u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, in hci_le_conn_update() argument
487 struct hci_dev *hdev = conn->hdev; in hci_le_conn_update()
493 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type); in hci_le_conn_update()
504 cp.handle = cpu_to_le16(conn->handle); in hci_le_conn_update()
520 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, in hci_le_start_enc() argument
523 struct hci_dev *hdev = conn->hdev; in hci_le_start_enc()
526 BT_DBG("hcon %p", conn); in hci_le_start_enc()
530 cp.handle = cpu_to_le16(conn->handle); in hci_le_start_enc()
539 void hci_sco_setup(struct hci_conn *conn, __u8 status) in hci_sco_setup() argument
543 link = list_first_entry_or_null(&conn->link_list, struct hci_link, list); in hci_sco_setup()
544 if (!link || !link->conn) in hci_sco_setup()
547 BT_DBG("hcon %p", conn); in hci_sco_setup()
550 if (lmp_esco_capable(conn->hdev)) in hci_sco_setup()
551 hci_setup_sync(link->conn, conn->handle); in hci_sco_setup()
553 hci_add_sco(link->conn, conn->handle); in hci_sco_setup()
555 hci_connect_cfm(link->conn, status); in hci_sco_setup()
556 hci_conn_del(link->conn); in hci_sco_setup()
562 struct hci_conn *conn = container_of(work, struct hci_conn, in hci_conn_timeout() local
564 int refcnt = atomic_read(&conn->refcnt); in hci_conn_timeout()
566 BT_DBG("hcon %p state %s", conn, state_to_string(conn->state)); in hci_conn_timeout()
572 * l2cap_chan_del for each channel, and inside l2cap_chan_del conn is in hci_conn_timeout()
574 * conn. For now make sure that ACL is alive if refcnt is higher then 0, in hci_conn_timeout()
580 hci_abort_conn(conn, hci_proto_disconn_ind(conn)); in hci_conn_timeout()
586 struct hci_conn *conn = container_of(work, struct hci_conn, in hci_conn_idle() local
588 struct hci_dev *hdev = conn->hdev; in hci_conn_idle()
590 BT_DBG("hcon %p mode %d", conn, conn->mode); in hci_conn_idle()
592 if (!lmp_sniff_capable(hdev) || !lmp_sniff_capable(conn)) in hci_conn_idle()
595 if (conn->mode != HCI_CM_ACTIVE || !(conn->link_policy & HCI_LP_SNIFF)) in hci_conn_idle()
598 if (lmp_sniffsubr_capable(hdev) && lmp_sniffsubr_capable(conn)) { in hci_conn_idle()
600 cp.handle = cpu_to_le16(conn->handle); in hci_conn_idle()
607 if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags)) { in hci_conn_idle()
609 cp.handle = cpu_to_le16(conn->handle); in hci_conn_idle()
620 struct hci_conn *conn = container_of(work, struct hci_conn, in hci_conn_auto_accept() local
623 hci_send_cmd(conn->hdev, HCI_OP_USER_CONFIRM_REPLY, sizeof(conn->dst), in hci_conn_auto_accept()
624 &conn->dst); in hci_conn_auto_accept()
646 struct hci_conn *conn = container_of(work, struct hci_conn, in le_conn_timeout() local
648 struct hci_dev *hdev = conn->hdev; in le_conn_timeout()
657 if (conn->role == HCI_ROLE_SLAVE) { in le_conn_timeout()
661 hci_conn_failed(conn, HCI_ERROR_ADVERTISING_TIMEOUT); in le_conn_timeout()
666 hci_abort_conn(conn, HCI_ERROR_REMOTE_USER_TERM); in le_conn_timeout()
690 static void bis_list(struct hci_conn *conn, void *data) in bis_list() argument
695 if (bacmp(&conn->dst, BDADDR_ANY)) in bis_list()
698 if (d->big != conn->iso_qos.bcast.big || d->bis == BT_ISO_QOS_BIS_UNSET || in bis_list()
699 d->bis != conn->iso_qos.bcast.bis) in bis_list()
727 static int hci_le_terminate_big(struct hci_dev *hdev, struct hci_conn *conn) in hci_le_terminate_big() argument
732 bt_dev_dbg(hdev, "big 0x%2.2x bis 0x%2.2x", conn->iso_qos.bcast.big, in hci_le_terminate_big()
733 conn->iso_qos.bcast.bis); in hci_le_terminate_big()
739 d->big = conn->iso_qos.bcast.big; in hci_le_terminate_big()
740 d->bis = conn->iso_qos.bcast.bis; in hci_le_terminate_big()
741 d->big_term = test_and_clear_bit(HCI_CONN_BIG_CREATED, &conn->flags); in hci_le_terminate_big()
767 static int hci_le_big_terminate(struct hci_dev *hdev, u8 big, struct hci_conn *conn) in hci_le_big_terminate() argument
772 bt_dev_dbg(hdev, "big 0x%2.2x sync_handle 0x%4.4x", big, conn->sync_handle); in hci_le_big_terminate()
779 d->sync_handle = conn->sync_handle; in hci_le_big_terminate()
780 d->pa_sync_term = test_and_clear_bit(HCI_CONN_PA_SYNC, &conn->flags); in hci_le_big_terminate()
781 d->big_sync_term = test_and_clear_bit(HCI_CONN_BIG_SYNC, &conn->flags); in hci_le_big_terminate()
797 static void bis_cleanup(struct hci_conn *conn) in bis_cleanup() argument
799 struct hci_dev *hdev = conn->hdev; in bis_cleanup()
802 bt_dev_dbg(hdev, "conn %p", conn); in bis_cleanup()
804 if (conn->role == HCI_ROLE_MASTER) { in bis_cleanup()
805 if (!test_and_clear_bit(HCI_CONN_PER_ADV, &conn->flags)) in bis_cleanup()
811 bis = hci_conn_hash_lookup_big(hdev, conn->iso_qos.bcast.big); in bis_cleanup()
815 hci_le_terminate_big(hdev, conn); in bis_cleanup()
818 conn->iso_qos.bcast.big); in bis_cleanup()
823 hci_le_big_terminate(hdev, conn->iso_qos.bcast.big, in bis_cleanup()
824 conn); in bis_cleanup()
843 static void find_cis(struct hci_conn *conn, void *data) in find_cis() argument
848 if (!bacmp(&conn->dst, BDADDR_ANY) || d->cig != conn->iso_qos.ucast.cig) in find_cis()
858 static void cis_cleanup(struct hci_conn *conn) in cis_cleanup() argument
860 struct hci_dev *hdev = conn->hdev; in cis_cleanup()
863 if (conn->iso_qos.ucast.cig == BT_ISO_QOS_CIG_UNSET) in cis_cleanup()
867 d.cig = conn->iso_qos.ucast.cig; in cis_cleanup()
878 hci_le_remove_cig(hdev, conn->iso_qos.ucast.cig); in cis_cleanup()
890 struct hci_conn *conn; in __hci_conn_add() local
920 conn = kzalloc(sizeof(*conn), GFP_KERNEL); in __hci_conn_add()
921 if (!conn) in __hci_conn_add()
924 bacpy(&conn->dst, dst); in __hci_conn_add()
925 bacpy(&conn->src, &hdev->bdaddr); in __hci_conn_add()
926 conn->handle = handle; in __hci_conn_add()
927 conn->hdev = hdev; in __hci_conn_add()
928 conn->type = type; in __hci_conn_add()
929 conn->role = role; in __hci_conn_add()
930 conn->mode = HCI_CM_ACTIVE; in __hci_conn_add()
931 conn->state = BT_OPEN; in __hci_conn_add()
932 conn->auth_type = HCI_AT_GENERAL_BONDING; in __hci_conn_add()
933 conn->io_capability = hdev->io_capability; in __hci_conn_add()
934 conn->remote_auth = 0xff; in __hci_conn_add()
935 conn->key_type = 0xff; in __hci_conn_add()
936 conn->rssi = HCI_RSSI_INVALID; in __hci_conn_add()
937 conn->tx_power = HCI_TX_POWER_INVALID; in __hci_conn_add()
938 conn->max_tx_power = HCI_TX_POWER_INVALID; in __hci_conn_add()
939 conn->sync_handle = HCI_SYNC_HANDLE_INVALID; in __hci_conn_add()
941 set_bit(HCI_CONN_POWER_SAVE, &conn->flags); in __hci_conn_add()
942 conn->disc_timeout = HCI_DISCONN_TIMEOUT; in __hci_conn_add()
945 conn->auth_payload_timeout = DEFAULT_AUTH_PAYLOAD_TIMEOUT; in __hci_conn_add()
947 if (conn->role == HCI_ROLE_MASTER) in __hci_conn_add()
948 conn->out = true; in __hci_conn_add()
952 conn->pkt_type = hdev->pkt_type & ACL_PTYPE_MASK; in __hci_conn_add()
953 conn->mtu = hdev->acl_mtu; in __hci_conn_add()
956 /* conn->src should reflect the local identity address */ in __hci_conn_add()
957 hci_copy_identity_address(hdev, &conn->src, &conn->src_type); in __hci_conn_add()
958 conn->mtu = hdev->le_mtu ? hdev->le_mtu : hdev->acl_mtu; in __hci_conn_add()
961 /* conn->src should reflect the local identity address */ in __hci_conn_add()
962 hci_copy_identity_address(hdev, &conn->src, &conn->src_type); in __hci_conn_add()
966 conn->cleanup = bis_cleanup; in __hci_conn_add()
967 else if (conn->role == HCI_ROLE_MASTER) in __hci_conn_add()
968 conn->cleanup = cis_cleanup; in __hci_conn_add()
970 conn->mtu = hdev->iso_mtu ? hdev->iso_mtu : in __hci_conn_add()
975 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) | in __hci_conn_add()
978 conn->pkt_type = hdev->pkt_type & SCO_PTYPE_MASK; in __hci_conn_add()
980 conn->mtu = hdev->sco_mtu; in __hci_conn_add()
983 conn->pkt_type = hdev->esco_type & ~EDR_ESCO_MASK; in __hci_conn_add()
984 conn->mtu = hdev->sco_mtu; in __hci_conn_add()
988 skb_queue_head_init(&conn->data_q); in __hci_conn_add()
990 INIT_LIST_HEAD(&conn->chan_list); in __hci_conn_add()
991 INIT_LIST_HEAD(&conn->link_list); in __hci_conn_add()
993 INIT_DELAYED_WORK(&conn->disc_work, hci_conn_timeout); in __hci_conn_add()
994 INIT_DELAYED_WORK(&conn->auto_accept_work, hci_conn_auto_accept); in __hci_conn_add()
995 INIT_DELAYED_WORK(&conn->idle_work, hci_conn_idle); in __hci_conn_add()
996 INIT_DELAYED_WORK(&conn->le_conn_timeout, le_conn_timeout); in __hci_conn_add()
998 atomic_set(&conn->refcnt, 0); in __hci_conn_add()
1002 hci_conn_hash_add(hdev, conn); in __hci_conn_add()
1008 if (conn->type != SCO_LINK && conn->type != ESCO_LINK) { in __hci_conn_add()
1013 hci_conn_init_sysfs(conn); in __hci_conn_add()
1015 return conn; in __hci_conn_add()
1041 static void hci_conn_cleanup_child(struct hci_conn *conn, u8 reason) in hci_conn_cleanup_child() argument
1046 /* Due to race, SCO/ISO conn might be not established yet at this point, in hci_conn_cleanup_child()
1050 switch (conn->type) { in hci_conn_cleanup_child()
1053 if (HCI_CONN_HANDLE_UNSET(conn->handle)) in hci_conn_cleanup_child()
1054 hci_conn_failed(conn, reason); in hci_conn_cleanup_child()
1057 if ((conn->state != BT_CONNECTED && in hci_conn_cleanup_child()
1058 !test_bit(HCI_CONN_CREATE_CIS, &conn->flags)) || in hci_conn_cleanup_child()
1059 test_bit(HCI_CONN_BIG_CREATED, &conn->flags)) in hci_conn_cleanup_child()
1060 hci_conn_failed(conn, reason); in hci_conn_cleanup_child()
1065 static void hci_conn_unlink(struct hci_conn *conn) in hci_conn_unlink() argument
1067 struct hci_dev *hdev = conn->hdev; in hci_conn_unlink()
1069 bt_dev_dbg(hdev, "hcon %p", conn); in hci_conn_unlink()
1071 if (!conn->parent) { in hci_conn_unlink()
1074 list_for_each_entry_safe(link, t, &conn->link_list, list) { in hci_conn_unlink()
1075 struct hci_conn *child = link->conn; in hci_conn_unlink()
1087 hci_conn_cleanup_child(child, conn->abort_reason); in hci_conn_unlink()
1093 if (!conn->link) in hci_conn_unlink()
1096 list_del_rcu(&conn->link->list); in hci_conn_unlink()
1099 hci_conn_drop(conn->parent); in hci_conn_unlink()
1100 hci_conn_put(conn->parent); in hci_conn_unlink()
1101 conn->parent = NULL; in hci_conn_unlink()
1103 kfree(conn->link); in hci_conn_unlink()
1104 conn->link = NULL; in hci_conn_unlink()
1107 void hci_conn_del(struct hci_conn *conn) in hci_conn_del() argument
1109 struct hci_dev *hdev = conn->hdev; in hci_conn_del()
1111 BT_DBG("%s hcon %p handle %d", hdev->name, conn, conn->handle); in hci_conn_del()
1113 hci_conn_unlink(conn); in hci_conn_del()
1115 cancel_delayed_work_sync(&conn->disc_work); in hci_conn_del()
1116 cancel_delayed_work_sync(&conn->auto_accept_work); in hci_conn_del()
1117 cancel_delayed_work_sync(&conn->idle_work); in hci_conn_del()
1119 if (conn->type == ACL_LINK) { in hci_conn_del()
1121 hdev->acl_cnt += conn->sent; in hci_conn_del()
1122 } else if (conn->type == LE_LINK) { in hci_conn_del()
1123 cancel_delayed_work(&conn->le_conn_timeout); in hci_conn_del()
1126 hdev->le_cnt += conn->sent; in hci_conn_del()
1128 hdev->acl_cnt += conn->sent; in hci_conn_del()
1131 if (conn->type == ISO_LINK) { in hci_conn_del()
1133 hdev->iso_cnt += conn->sent; in hci_conn_del()
1135 hdev->le_cnt += conn->sent; in hci_conn_del()
1137 hdev->acl_cnt += conn->sent; in hci_conn_del()
1141 skb_queue_purge(&conn->data_q); in hci_conn_del()
1148 hci_conn_cleanup(conn); in hci_conn_del()
1151 hci_cmd_sync_dequeue(hdev, NULL, conn, NULL); in hci_conn_del()
1215 static void hci_le_conn_failed(struct hci_conn *conn, u8 status) in hci_le_conn_failed() argument
1217 struct hci_dev *hdev = conn->hdev; in hci_le_conn_failed()
1219 hci_connect_le_scan_cleanup(conn, status); in hci_le_conn_failed()
1228 void hci_conn_failed(struct hci_conn *conn, u8 status) in hci_conn_failed() argument
1230 struct hci_dev *hdev = conn->hdev; in hci_conn_failed()
1234 switch (conn->type) { in hci_conn_failed()
1236 hci_le_conn_failed(conn, status); in hci_conn_failed()
1239 mgmt_connect_failed(hdev, conn, status); in hci_conn_failed()
1243 /* In case of BIG/PA sync failed, clear conn flags so that in hci_conn_failed()
1246 test_and_clear_bit(HCI_CONN_BIG_SYNC_FAILED, &conn->flags); in hci_conn_failed()
1247 test_and_clear_bit(HCI_CONN_PA_SYNC_FAILED, &conn->flags); 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()
1288 struct hci_conn *conn; in hci_connect_le() local
1311 conn = hci_conn_hash_lookup_le(hdev, dst, dst_type); in hci_connect_le()
1312 if (conn && !test_bit(HCI_CONN_SCANNING, &conn->flags)) { in hci_connect_le()
1336 if (conn) { in hci_connect_le()
1337 bacpy(&conn->dst, dst); in hci_connect_le()
1339 conn = hci_conn_add_unset(hdev, LE_LINK, dst, role); in hci_connect_le()
1340 if (IS_ERR(conn)) in hci_connect_le()
1341 return conn; in hci_connect_le()
1342 hci_conn_hold(conn); in hci_connect_le()
1343 conn->pending_sec_level = sec_level; in hci_connect_le()
1346 conn->dst_type = dst_type; in hci_connect_le()
1347 conn->sec_level = BT_SECURITY_LOW; in hci_connect_le()
1348 conn->conn_timeout = conn_timeout; in hci_connect_le()
1350 err = hci_connect_le_sync(hdev, conn); in hci_connect_le()
1352 hci_conn_del(conn); in hci_connect_le()
1356 return conn; in hci_connect_le()
1361 struct hci_conn *conn; in is_connected() local
1363 conn = hci_conn_hash_lookup_le(hdev, addr, type); in is_connected()
1364 if (!conn) in is_connected()
1367 if (conn->state != BT_CONNECTED) in is_connected()
1413 struct hci_conn *conn; in qos_set_big() local
1420 conn = hci_conn_hash_lookup_big(hdev, big); in qos_set_big()
1421 if (!conn) in qos_set_big()
1437 struct hci_conn *conn; in qos_set_bis() local
1448 conn = hci_conn_hash_lookup_bis(hdev, BDADDR_ANY, bis); in qos_set_bis()
1449 if (!conn) in qos_set_bis()
1468 struct hci_conn *conn; in hci_add_bis() local
1487 conn = hci_conn_hash_lookup_per_adv_bis(hdev, dst, qos->bcast.big, in hci_add_bis()
1489 if (conn) in hci_add_bis()
1495 conn = hci_conn_hash_lookup_big(hdev, qos->bcast.big); in hci_add_bis()
1497 if (conn && (memcmp(qos, &conn->iso_qos, sizeof(*qos)) || in hci_add_bis()
1498 base_len != conn->le_per_adv_data_len || in hci_add_bis()
1499 memcmp(conn->le_per_adv_data, base, base_len))) in hci_add_bis()
1502 conn = hci_conn_add_unset(hdev, ISO_LINK, dst, HCI_ROLE_MASTER); in hci_add_bis()
1503 if (IS_ERR(conn)) in hci_add_bis()
1504 return conn; in hci_add_bis()
1506 conn->state = BT_CONNECT; in hci_add_bis()
1508 hci_conn_hold(conn); in hci_add_bis()
1509 return conn; in hci_add_bis()
1518 struct hci_conn *conn; in hci_connect_le_scan() local
1537 conn = hci_conn_hash_lookup_le(hdev, dst, dst_type); in hci_connect_le_scan()
1538 if (conn) { in hci_connect_le_scan()
1539 if (conn->pending_sec_level < sec_level) in hci_connect_le_scan()
1540 conn->pending_sec_level = sec_level; in hci_connect_le_scan()
1546 conn = hci_conn_add_unset(hdev, LE_LINK, dst, HCI_ROLE_MASTER); in hci_connect_le_scan()
1547 if (IS_ERR(conn)) in hci_connect_le_scan()
1548 return conn; in hci_connect_le_scan()
1551 hci_conn_del(conn); in hci_connect_le_scan()
1555 conn->state = BT_CONNECT; in hci_connect_le_scan()
1556 set_bit(HCI_CONN_SCANNING, &conn->flags); in hci_connect_le_scan()
1557 conn->dst_type = dst_type; in hci_connect_le_scan()
1558 conn->sec_level = BT_SECURITY_LOW; in hci_connect_le_scan()
1559 conn->pending_sec_level = sec_level; in hci_connect_le_scan()
1560 conn->conn_timeout = conn_timeout; in hci_connect_le_scan()
1561 conn->conn_reason = conn_reason; in hci_connect_le_scan()
1566 hci_conn_hold(conn); in hci_connect_le_scan()
1567 return conn; in hci_connect_le_scan()
1620 struct hci_conn *conn) in hci_conn_link() argument
1625 bt_dev_dbg(hdev, "parent %p hcon %p", parent, conn); in hci_conn_link()
1627 if (conn->link) in hci_conn_link()
1628 return conn->link; in hci_conn_link()
1630 if (conn->parent) in hci_conn_link()
1637 link->conn = hci_conn_hold(conn); in hci_conn_link()
1638 conn->link = link; in hci_conn_link()
1639 conn->parent = hci_conn_get(parent); in hci_conn_link()
1695 static int hci_le_create_big(struct hci_conn *conn, struct bt_iso_qos *qos) in hci_le_create_big() argument
1697 struct hci_dev *hdev = conn->hdev; in hci_le_create_big()
1730 struct hci_conn *conn; in set_cig_params_sync() local
1735 conn = hci_conn_hash_lookup_cig(hdev, cig_id); in set_cig_params_sync()
1736 if (!conn) in set_cig_params_sync()
1741 qos = &conn->iso_qos; in set_cig_params_sync()
1759 conn = hci_conn_hash_lookup_cis(hdev, NULL, 0, cig_id, cis_id); in set_cig_params_sync()
1760 if (!conn) in set_cig_params_sync()
1763 qos = &conn->iso_qos; in set_cig_params_sync()
1767 cis->c_sdu = cpu_to_le16(conn->iso_qos.ucast.out.sdu); in set_cig_params_sync()
1768 cis->p_sdu = cpu_to_le16(conn->iso_qos.ucast.in.sdu); in set_cig_params_sync()
1786 static bool hci_le_set_cig_params(struct hci_conn *conn, struct bt_iso_qos *qos) in hci_le_set_cig_params() argument
1788 struct hci_dev *hdev = conn->hdev; in hci_le_set_cig_params()
1911 bool hci_iso_setup_path(struct hci_conn *conn) in hci_iso_setup_path() argument
1913 struct hci_dev *hdev = conn->hdev; in hci_iso_setup_path()
1918 if (conn->iso_qos.ucast.out.sdu) { in hci_iso_setup_path()
1919 cmd.handle = cpu_to_le16(conn->handle); in hci_iso_setup_path()
1929 if (conn->iso_qos.ucast.in.sdu) { in hci_iso_setup_path()
1930 cmd.handle = cpu_to_le16(conn->handle); in hci_iso_setup_path()
1943 int hci_conn_check_create_cis(struct hci_conn *conn) in hci_conn_check_create_cis() argument
1945 if (conn->type != ISO_LINK || !bacmp(&conn->dst, BDADDR_ANY)) in hci_conn_check_create_cis()
1948 if (!conn->parent || conn->parent->state != BT_CONNECTED || in hci_conn_check_create_cis()
1949 conn->state != BT_CONNECT || HCI_CONN_HANDLE_UNSET(conn->handle)) in hci_conn_check_create_cis()
1962 struct hci_conn *conn; in hci_le_create_cis_pending() local
1967 list_for_each_entry_rcu(conn, &hdev->conn_hash.list, list) { in hci_le_create_cis_pending()
1968 if (test_bit(HCI_CONN_CREATE_CIS, &conn->flags)) { in hci_le_create_cis_pending()
1973 if (!hci_conn_check_create_cis(conn)) in hci_le_create_cis_pending()
1986 static void hci_iso_qos_setup(struct hci_dev *hdev, struct hci_conn *conn, in hci_iso_qos_setup() argument
1991 qos->sdu = conn->mtu; in hci_iso_qos_setup()
2000 qos->interval = conn->le_conn_interval * 1250; in hci_iso_qos_setup()
2004 qos->latency = conn->le_conn_latency; in hci_iso_qos_setup()
2009 struct hci_conn *conn = data; in create_big_sync() local
2010 struct bt_iso_qos *qos = &conn->iso_qos; in create_big_sync()
2024 err = hci_start_per_adv_sync(hdev, qos->bcast.bis, conn->le_per_adv_data_len, in create_big_sync()
2025 conn->le_per_adv_data, flags, interval, in create_big_sync()
2030 return hci_le_create_big(conn, &conn->iso_qos); in create_big_sync()
2122 struct hci_conn *conn = data; in create_big_complete() local
2124 bt_dev_dbg(hdev, "conn %p", conn); in create_big_complete()
2128 hci_connect_cfm(conn, err); in create_big_complete()
2129 hci_conn_del(conn); in create_big_complete()
2137 struct hci_conn *conn; in hci_bind_bis() local
2143 conn = hci_conn_hash_lookup_big_state(hdev, qos->bcast.big, BT_OPEN); in hci_bind_bis()
2144 if (conn) { in hci_bind_bis()
2145 memcpy(qos, &conn->iso_qos, sizeof(*qos)); in hci_bind_bis()
2146 conn->state = BT_CONNECTED; in hci_bind_bis()
2147 return conn; in hci_bind_bis()
2155 conn = hci_add_bis(hdev, dst, qos, base_len, eir); in hci_bind_bis()
2156 if (IS_ERR(conn)) in hci_bind_bis()
2157 return conn; in hci_bind_bis()
2160 conn->le_tx_phy = qos->bcast.out.phy; in hci_bind_bis()
2161 conn->le_tx_phy = qos->bcast.out.phy; in hci_bind_bis()
2165 memcpy(conn->le_per_adv_data, eir, sizeof(eir)); in hci_bind_bis()
2166 conn->le_per_adv_data_len = base_len; in hci_bind_bis()
2169 hci_iso_qos_setup(hdev, conn, &qos->bcast.out, in hci_bind_bis()
2170 conn->le_tx_phy ? conn->le_tx_phy : in hci_bind_bis()
2173 conn->iso_qos = *qos; in hci_bind_bis()
2174 conn->state = BT_BOUND; in hci_bind_bis()
2178 conn->iso_qos.bcast.big); in hci_bind_bis()
2179 if (parent && parent != conn) { in hci_bind_bis()
2180 link = hci_conn_link(parent, conn); in hci_bind_bis()
2181 hci_conn_drop(conn); in hci_bind_bis()
2186 return conn; in hci_bind_bis()
2189 static void bis_mark_per_adv(struct hci_conn *conn, void *data) in bis_mark_per_adv() argument
2194 if (bacmp(&conn->dst, BDADDR_ANY)) in bis_mark_per_adv()
2197 if (d->big != conn->iso_qos.bcast.big || in bis_mark_per_adv()
2199 d->bis != conn->iso_qos.bcast.bis) in bis_mark_per_adv()
2202 set_bit(HCI_CONN_PER_ADV, &conn->flags); in bis_mark_per_adv()
2209 struct hci_conn *conn; in hci_connect_bis() local
2213 conn = hci_bind_bis(hdev, dst, qos, base_len, base); in hci_connect_bis()
2214 if (IS_ERR(conn)) in hci_connect_bis()
2215 return conn; in hci_connect_bis()
2217 if (conn->state == BT_CONNECTED) in hci_connect_bis()
2218 return conn; in hci_connect_bis()
2231 err = hci_cmd_sync_queue(hdev, create_big_sync, conn, in hci_connect_bis()
2234 hci_conn_drop(conn); in hci_connect_bis()
2238 return conn; in hci_connect_bis()
2287 int hci_conn_check_link_mode(struct hci_conn *conn) in hci_conn_check_link_mode() argument
2289 BT_DBG("hcon %p", conn); in hci_conn_check_link_mode()
2295 if (hci_dev_test_flag(conn->hdev, HCI_SC_ONLY)) { in hci_conn_check_link_mode()
2296 if (!hci_conn_sc_enabled(conn) || in hci_conn_check_link_mode()
2297 !test_bit(HCI_CONN_AES_CCM, &conn->flags) || in hci_conn_check_link_mode()
2298 conn->key_type != HCI_LK_AUTH_COMBINATION_P256) in hci_conn_check_link_mode()
2312 if (conn->sec_level == BT_SECURITY_FIPS && in hci_conn_check_link_mode()
2313 !test_bit(HCI_CONN_AES_CCM, &conn->flags)) { in hci_conn_check_link_mode()
2314 bt_dev_err(conn->hdev, in hci_conn_check_link_mode()
2319 if (hci_conn_ssp_enabled(conn) && in hci_conn_check_link_mode()
2320 !test_bit(HCI_CONN_ENCRYPT, &conn->flags)) in hci_conn_check_link_mode()
2327 static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type) in hci_conn_auth() argument
2329 BT_DBG("hcon %p", conn); in hci_conn_auth()
2331 if (conn->pending_sec_level > sec_level) in hci_conn_auth()
2332 sec_level = conn->pending_sec_level; in hci_conn_auth()
2334 if (sec_level > conn->sec_level) in hci_conn_auth()
2335 conn->pending_sec_level = sec_level; in hci_conn_auth()
2336 else if (test_bit(HCI_CONN_AUTH, &conn->flags)) in hci_conn_auth()
2340 auth_type |= (conn->auth_type & 0x01); in hci_conn_auth()
2342 conn->auth_type = auth_type; in hci_conn_auth()
2344 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { in hci_conn_auth()
2347 cp.handle = cpu_to_le16(conn->handle); in hci_conn_auth()
2348 hci_send_cmd(conn->hdev, HCI_OP_AUTH_REQUESTED, in hci_conn_auth()
2354 if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) in hci_conn_auth()
2355 set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); in hci_conn_auth()
2362 static void hci_conn_encrypt(struct hci_conn *conn) in hci_conn_encrypt() argument
2364 BT_DBG("hcon %p", conn); in hci_conn_encrypt()
2366 if (!test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) { in hci_conn_encrypt()
2368 cp.handle = cpu_to_le16(conn->handle); in hci_conn_encrypt()
2370 hci_send_cmd(conn->hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), in hci_conn_encrypt()
2376 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, in hci_conn_security() argument
2379 BT_DBG("hcon %p", conn); in hci_conn_security()
2381 if (conn->type == LE_LINK) in hci_conn_security()
2382 return smp_conn_security(conn, sec_level); in hci_conn_security()
2390 if (sec_level == BT_SECURITY_LOW && !hci_conn_ssp_enabled(conn)) in hci_conn_security()
2394 if (!test_bit(HCI_CONN_AUTH, &conn->flags)) in hci_conn_security()
2397 switch (conn->key_type) { in hci_conn_security()
2426 if (sec_level <= BT_SECURITY_MEDIUM || conn->pin_length == 16) in hci_conn_security()
2434 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) in hci_conn_security()
2438 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags); in hci_conn_security()
2440 if (!hci_conn_auth(conn, sec_level, auth_type)) in hci_conn_security()
2444 if (test_bit(HCI_CONN_ENCRYPT, &conn->flags)) { in hci_conn_security()
2448 if (!conn->enc_key_size) in hci_conn_security()
2455 hci_conn_encrypt(conn); in hci_conn_security()
2461 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level) in hci_conn_check_secure() argument
2463 BT_DBG("hcon %p", conn); in hci_conn_check_secure()
2470 if (conn->sec_level == BT_SECURITY_HIGH || in hci_conn_check_secure()
2471 conn->sec_level == BT_SECURITY_FIPS) in hci_conn_check_secure()
2480 int hci_conn_switch_role(struct hci_conn *conn, __u8 role) in hci_conn_switch_role() argument
2482 BT_DBG("hcon %p", conn); in hci_conn_switch_role()
2484 if (role == conn->role) in hci_conn_switch_role()
2487 if (!test_and_set_bit(HCI_CONN_RSWITCH_PEND, &conn->flags)) { in hci_conn_switch_role()
2489 bacpy(&cp.bdaddr, &conn->dst); in hci_conn_switch_role()
2491 hci_send_cmd(conn->hdev, HCI_OP_SWITCH_ROLE, sizeof(cp), &cp); in hci_conn_switch_role()
2499 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active) in hci_conn_enter_active_mode() argument
2501 struct hci_dev *hdev = conn->hdev; in hci_conn_enter_active_mode()
2503 BT_DBG("hcon %p mode %d", conn, conn->mode); in hci_conn_enter_active_mode()
2505 if (conn->mode != HCI_CM_SNIFF) in hci_conn_enter_active_mode()
2508 if (!test_bit(HCI_CONN_POWER_SAVE, &conn->flags) && !force_active) in hci_conn_enter_active_mode()
2511 if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags)) { in hci_conn_enter_active_mode()
2513 cp.handle = cpu_to_le16(conn->handle); in hci_conn_enter_active_mode()
2519 queue_delayed_work(hdev->workqueue, &conn->idle_work, in hci_conn_enter_active_mode()
2527 struct hci_conn *conn; in hci_conn_hash_flush() local
2535 while ((conn = list_first_entry_or_null(head, in hci_conn_hash_flush()
2538 conn->state = BT_CLOSED; in hci_conn_hash_flush()
2539 hci_disconn_cfm(conn, HCI_ERROR_LOCAL_HOST_TERM); in hci_conn_hash_flush()
2540 hci_conn_del(conn); in hci_conn_hash_flush()
2544 static u32 get_link_mode(struct hci_conn *conn) in get_link_mode() argument
2548 if (conn->role == HCI_ROLE_MASTER) in get_link_mode()
2551 if (test_bit(HCI_CONN_ENCRYPT, &conn->flags)) in get_link_mode()
2554 if (test_bit(HCI_CONN_AUTH, &conn->flags)) in get_link_mode()
2557 if (test_bit(HCI_CONN_SECURE, &conn->flags)) in get_link_mode()
2560 if (test_bit(HCI_CONN_FIPS, &conn->flags)) in get_link_mode()
2623 struct hci_conn *conn; in hci_get_conn_info() local
2630 conn = hci_conn_hash_lookup_ba(hdev, req.type, &req.bdaddr); in hci_get_conn_info()
2631 if (conn) { in hci_get_conn_info()
2632 bacpy(&ci.bdaddr, &conn->dst); in hci_get_conn_info()
2633 ci.handle = conn->handle; in hci_get_conn_info()
2634 ci.type = conn->type; in hci_get_conn_info()
2635 ci.out = conn->out; in hci_get_conn_info()
2636 ci.state = conn->state; in hci_get_conn_info()
2637 ci.link_mode = get_link_mode(conn); in hci_get_conn_info()
2641 if (!conn) in hci_get_conn_info()
2650 struct hci_conn *conn; in hci_get_auth_info() local
2656 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &req.bdaddr); in hci_get_auth_info()
2657 if (conn) in hci_get_auth_info()
2658 req.type = conn->auth_type; in hci_get_auth_info()
2661 if (!conn) in hci_get_auth_info()
2667 struct hci_chan *hci_chan_create(struct hci_conn *conn) in hci_chan_create() argument
2669 struct hci_dev *hdev = conn->hdev; in hci_chan_create()
2672 BT_DBG("%s hcon %p", hdev->name, conn); in hci_chan_create()
2674 if (test_bit(HCI_CONN_DROP, &conn->flags)) { in hci_chan_create()
2683 chan->conn = hci_conn_get(conn); in hci_chan_create()
2687 list_add_rcu(&chan->list, &conn->chan_list); in hci_chan_create()
2694 struct hci_conn *conn = chan->conn; in hci_chan_del() local
2695 struct hci_dev *hdev = conn->hdev; in hci_chan_del()
2697 BT_DBG("%s hcon %p chan %p", hdev->name, conn, chan); in hci_chan_del()
2704 set_bit(HCI_CONN_DROP, &conn->flags); in hci_chan_del()
2706 hci_conn_put(conn); in hci_chan_del()
2712 void hci_chan_list_flush(struct hci_conn *conn) in hci_chan_list_flush() argument
2716 BT_DBG("hcon %p", conn); in hci_chan_list_flush()
2718 list_for_each_entry_safe(chan, n, &conn->chan_list, list) in hci_chan_list_flush()
2754 u32 hci_conn_get_phy(struct hci_conn *conn) in hci_conn_get_phy() argument
2762 switch (conn->type) { in hci_conn_get_phy()
2777 if (conn->pkt_type & (HCI_DM3 | HCI_DH3)) in hci_conn_get_phy()
2780 if (conn->pkt_type & (HCI_DM5 | HCI_DH5)) in hci_conn_get_phy()
2786 if (!(conn->pkt_type & HCI_2DH1)) in hci_conn_get_phy()
2789 if (!(conn->pkt_type & HCI_2DH3)) in hci_conn_get_phy()
2792 if (!(conn->pkt_type & HCI_2DH5)) in hci_conn_get_phy()
2798 if (!(conn->pkt_type & HCI_3DH1)) in hci_conn_get_phy()
2801 if (!(conn->pkt_type & HCI_3DH3)) in hci_conn_get_phy()
2804 if (!(conn->pkt_type & HCI_3DH5)) in hci_conn_get_phy()
2813 if (!(conn->pkt_type & (ESCO_EV4 | ESCO_EV5))) in hci_conn_get_phy()
2817 if (!(conn->pkt_type & ESCO_2EV3)) in hci_conn_get_phy()
2820 if (!(conn->pkt_type & ESCO_2EV5)) in hci_conn_get_phy()
2824 if (!(conn->pkt_type & ESCO_3EV3)) in hci_conn_get_phy()
2827 if (!(conn->pkt_type & ESCO_3EV5)) in hci_conn_get_phy()
2833 if (conn->le_tx_phy & HCI_LE_SET_PHY_1M) in hci_conn_get_phy()
2836 if (conn->le_rx_phy & HCI_LE_SET_PHY_1M) in hci_conn_get_phy()
2839 if (conn->le_tx_phy & HCI_LE_SET_PHY_2M) in hci_conn_get_phy()
2842 if (conn->le_rx_phy & HCI_LE_SET_PHY_2M) in hci_conn_get_phy()
2845 if (conn->le_tx_phy & HCI_LE_SET_PHY_CODED) in hci_conn_get_phy()
2848 if (conn->le_rx_phy & HCI_LE_SET_PHY_CODED) in hci_conn_get_phy()
2859 struct hci_conn *conn = data; in abort_conn_sync() local
2861 if (!hci_conn_valid(hdev, conn)) in abort_conn_sync()
2864 return hci_abort_conn_sync(hdev, conn, conn->abort_reason); in abort_conn_sync()
2867 int hci_abort_conn(struct hci_conn *conn, u8 reason) in hci_abort_conn() argument
2869 struct hci_dev *hdev = conn->hdev; in hci_abort_conn()
2874 if (conn->abort_reason) in hci_abort_conn()
2877 bt_dev_dbg(hdev, "handle 0x%2.2x reason 0x%2.2x", conn->handle, reason); in hci_abort_conn()
2879 conn->abort_reason = reason; in hci_abort_conn()
2888 if (conn->state == BT_CONNECT && hdev->req_status == HCI_REQ_PEND) { in hci_abort_conn()
2898 } else if (!hci_cancel_connect_sync(hdev, conn)) { in hci_abort_conn()
2906 return hci_cmd_sync_run_once(hdev, abort_conn_sync, conn, NULL); in hci_abort_conn()