Lines Matching refs:conn
48 struct hci_conn *conn;
71 void hci_connect_le_scan_cleanup(struct hci_conn *conn, u8 status)
74 struct hci_dev *hdev = conn->hdev;
79 bdaddr = &conn->dst;
80 bdaddr_type = conn->dst_type;
94 if (params->conn) {
95 hci_conn_drop(params->conn);
96 hci_conn_put(params->conn);
97 params->conn = NULL;
110 mgmt_connect_failed(hdev, &conn->dst, conn->type,
111 conn->dst_type, status);
141 static void hci_conn_cleanup(struct hci_conn *conn)
143 struct hci_dev *hdev = conn->hdev;
145 if (test_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags))
146 hci_conn_params_del(conn->hdev, &conn->dst, conn->dst_type);
148 if (test_and_clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
149 hci_remove_link_key(hdev, &conn->dst);
151 hci_chan_list_flush(conn);
153 hci_conn_hash_del(hdev, conn);
155 if (HCI_CONN_HANDLE_UNSET(conn->handle))
156 ida_free(&hdev->unset_handle_ida, conn->handle);
158 if (conn->cleanup)
159 conn->cleanup(conn);
161 if (conn->type == SCO_LINK || conn->type == ESCO_LINK) {
162 switch (conn->setting & SCO_AIRMODE_MASK) {
174 debugfs_remove_recursive(conn->debugfs);
176 hci_conn_del_sysfs(conn);
181 int hci_disconnect(struct hci_conn *conn, __u8 reason)
183 BT_DBG("hcon %p", conn);
190 if (conn->type == ACL_LINK && conn->role == HCI_ROLE_MASTER &&
191 (conn->state == BT_CONNECTED || conn->state == BT_CONFIG)) {
192 struct hci_dev *hdev = conn->hdev;
195 clkoff_cp.handle = cpu_to_le16(conn->handle);
200 return hci_abort_conn(conn, reason);
203 static void hci_add_sco(struct hci_conn *conn, __u16 handle)
205 struct hci_dev *hdev = conn->hdev;
208 BT_DBG("hcon %p", conn);
210 conn->state = BT_CONNECT;
211 conn->out = true;
213 conn->attempt++;
216 cp.pkt_type = cpu_to_le16(conn->pkt_type);
221 static bool find_next_esco_param(struct hci_conn *conn,
224 if (!conn->parent)
227 for (; conn->attempt <= size; conn->attempt++) {
228 if (lmp_esco_2m_capable(conn->parent) ||
229 (esco_param[conn->attempt - 1].pkt_type & ESCO_2EV3))
232 conn, conn->attempt);
235 return conn->attempt <= size;
287 struct hci_conn *conn = conn_handle->conn;
294 bt_dev_dbg(hdev, "hcon %p", conn);
296 configure_datapath_sync(hdev, &conn->codec);
298 conn->state = BT_CONNECT;
299 conn->out = true;
301 conn->attempt++;
310 switch (conn->codec.id) {
312 if (!find_next_esco_param(conn, esco_param_msbc,
316 param = &esco_param_msbc[conn->attempt - 1];
331 cp.in_data_path = conn->codec.data_path;
332 cp.out_data_path = conn->codec.data_path;
338 if (!find_next_esco_param(conn, esco_param_msbc,
341 param = &esco_param_msbc[conn->attempt - 1];
356 cp.in_data_path = conn->codec.data_path;
357 cp.out_data_path = conn->codec.data_path;
363 if (conn->parent && lmp_esco_capable(conn->parent)) {
364 if (!find_next_esco_param(conn, esco_param_cvsd,
367 param = &esco_param_cvsd[conn->attempt - 1];
369 if (conn->attempt > ARRAY_SIZE(sco_param_cvsd))
371 param = &sco_param_cvsd[conn->attempt - 1];
387 cp.in_data_path = conn->codec.data_path;
388 cp.out_data_path = conn->codec.data_path;
406 static bool hci_setup_sync_conn(struct hci_conn *conn, __u16 handle)
408 struct hci_dev *hdev = conn->hdev;
412 bt_dev_dbg(hdev, "hcon %p", conn);
414 conn->state = BT_CONNECT;
415 conn->out = true;
417 conn->attempt++;
423 cp.voice_setting = cpu_to_le16(conn->setting);
425 switch (conn->setting & SCO_AIRMODE_MASK) {
427 if (!find_next_esco_param(conn, esco_param_msbc,
430 param = &esco_param_msbc[conn->attempt - 1];
433 if (conn->parent && lmp_esco_capable(conn->parent)) {
434 if (!find_next_esco_param(conn, esco_param_cvsd,
437 param = &esco_param_cvsd[conn->attempt - 1];
439 if (conn->attempt > ARRAY_SIZE(sco_param_cvsd))
441 param = &sco_param_cvsd[conn->attempt - 1];
458 bool hci_setup_sync(struct hci_conn *conn, __u16 handle)
463 if (enhanced_sync_conn_capable(conn->hdev)) {
469 conn_handle->conn = conn;
471 result = hci_cmd_sync_queue(conn->hdev, hci_enhanced_setup_sync,
479 return hci_setup_sync_conn(conn, handle);
482 u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency,
485 struct hci_dev *hdev = conn->hdev;
491 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
502 cp.handle = cpu_to_le16(conn->handle);
518 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand,
521 struct hci_dev *hdev = conn->hdev;
524 BT_DBG("hcon %p", conn);
528 cp.handle = cpu_to_le16(conn->handle);
537 void hci_sco_setup(struct hci_conn *conn, __u8 status)
541 link = list_first_entry_or_null(&conn->link_list, struct hci_link, list);
542 if (!link || !link->conn)
545 BT_DBG("hcon %p", conn);
548 if (lmp_esco_capable(conn->hdev))
549 hci_setup_sync(link->conn, conn->handle);
551 hci_add_sco(link->conn, conn->handle);
553 hci_connect_cfm(link->conn, status);
554 hci_conn_del(link->conn);
560 struct hci_conn *conn = container_of(work, struct hci_conn,
562 int refcnt = atomic_read(&conn->refcnt);
564 BT_DBG("hcon %p state %s", conn, state_to_string(conn->state));
570 * l2cap_chan_del for each channel, and inside l2cap_chan_del conn is
572 * conn. For now make sure that ACL is alive if refcnt is higher then 0,
578 hci_abort_conn(conn, hci_proto_disconn_ind(conn));
584 struct hci_conn *conn = container_of(work, struct hci_conn,
586 struct hci_dev *hdev = conn->hdev;
588 BT_DBG("hcon %p mode %d", conn, conn->mode);
590 if (!lmp_sniff_capable(hdev) || !lmp_sniff_capable(conn))
593 if (conn->mode != HCI_CM_ACTIVE || !(conn->link_policy & HCI_LP_SNIFF))
596 if (lmp_sniffsubr_capable(hdev) && lmp_sniffsubr_capable(conn)) {
598 cp.handle = cpu_to_le16(conn->handle);
605 if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags)) {
607 cp.handle = cpu_to_le16(conn->handle);
618 struct hci_conn *conn = container_of(work, struct hci_conn,
621 hci_send_cmd(conn->hdev, HCI_OP_USER_CONFIRM_REPLY, sizeof(conn->dst),
622 &conn->dst);
644 struct hci_conn *conn = container_of(work, struct hci_conn,
646 struct hci_dev *hdev = conn->hdev;
655 if (conn->role == HCI_ROLE_SLAVE) {
659 hci_conn_failed(conn, HCI_ERROR_ADVERTISING_TIMEOUT);
664 hci_abort_conn(conn, HCI_ERROR_REMOTE_USER_TERM);
688 static void bis_list(struct hci_conn *conn, void *data)
693 if (bacmp(&conn->dst, BDADDR_ANY))
696 if (d->big != conn->iso_qos.bcast.big || d->bis == BT_ISO_QOS_BIS_UNSET ||
697 d->bis != conn->iso_qos.bcast.bis)
725 static int hci_le_terminate_big(struct hci_dev *hdev, struct hci_conn *conn)
730 bt_dev_dbg(hdev, "big 0x%2.2x bis 0x%2.2x", conn->iso_qos.bcast.big,
731 conn->iso_qos.bcast.bis);
737 d->big = conn->iso_qos.bcast.big;
738 d->bis = conn->iso_qos.bcast.bis;
739 d->big_term = test_and_clear_bit(HCI_CONN_BIG_CREATED, &conn->flags);
765 static void find_bis(struct hci_conn *conn, void *data)
770 if (d->big != conn->iso_qos.bcast.big)
776 static int hci_le_big_terminate(struct hci_dev *hdev, u8 big, struct hci_conn *conn)
781 bt_dev_dbg(hdev, "big 0x%2.2x sync_handle 0x%4.4x", big, conn->sync_handle);
789 d->sync_handle = conn->sync_handle;
791 if (test_and_clear_bit(HCI_CONN_PA_SYNC, &conn->flags)) {
801 if (test_and_clear_bit(HCI_CONN_BIG_SYNC, &conn->flags)) {
823 static void bis_cleanup(struct hci_conn *conn)
825 struct hci_dev *hdev = conn->hdev;
828 bt_dev_dbg(hdev, "conn %p", conn);
830 if (conn->role == HCI_ROLE_MASTER) {
831 if (!test_and_clear_bit(HCI_CONN_PER_ADV, &conn->flags))
837 bis = hci_conn_hash_lookup_big(hdev, conn->iso_qos.bcast.big);
841 hci_le_terminate_big(hdev, conn);
843 hci_le_big_terminate(hdev, conn->iso_qos.bcast.big,
844 conn);
863 static void find_cis(struct hci_conn *conn, void *data)
868 if (!bacmp(&conn->dst, BDADDR_ANY) || d->cig != conn->iso_qos.ucast.cig)
878 static void cis_cleanup(struct hci_conn *conn)
880 struct hci_dev *hdev = conn->hdev;
883 if (conn->iso_qos.ucast.cig == BT_ISO_QOS_CIG_UNSET)
887 d.cig = conn->iso_qos.ucast.cig;
898 hci_le_remove_cig(hdev, conn->iso_qos.ucast.cig);
910 struct hci_conn *conn;
914 conn = kzalloc(sizeof(*conn), GFP_KERNEL);
915 if (!conn)
918 bacpy(&conn->dst, dst);
919 bacpy(&conn->src, &hdev->bdaddr);
920 conn->handle = handle;
921 conn->hdev = hdev;
922 conn->type = type;
923 conn->role = role;
924 conn->mode = HCI_CM_ACTIVE;
925 conn->state = BT_OPEN;
926 conn->auth_type = HCI_AT_GENERAL_BONDING;
927 conn->io_capability = hdev->io_capability;
928 conn->remote_auth = 0xff;
929 conn->key_type = 0xff;
930 conn->rssi = HCI_RSSI_INVALID;
931 conn->tx_power = HCI_TX_POWER_INVALID;
932 conn->max_tx_power = HCI_TX_POWER_INVALID;
933 conn->sync_handle = HCI_SYNC_HANDLE_INVALID;
935 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
936 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
939 conn->auth_payload_timeout = DEFAULT_AUTH_PAYLOAD_TIMEOUT;
941 if (conn->role == HCI_ROLE_MASTER)
942 conn->out = true;
946 conn->pkt_type = hdev->pkt_type & ACL_PTYPE_MASK;
949 /* conn->src should reflect the local identity address */
950 hci_copy_identity_address(hdev, &conn->src, &conn->src_type);
953 /* conn->src should reflect the local identity address */
954 hci_copy_identity_address(hdev, &conn->src, &conn->src_type);
958 conn->cleanup = bis_cleanup;
959 else if (conn->role == HCI_ROLE_MASTER)
960 conn->cleanup = cis_cleanup;
965 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
968 conn->pkt_type = hdev->pkt_type & SCO_PTYPE_MASK;
971 conn->pkt_type = hdev->esco_type & ~EDR_ESCO_MASK;
975 skb_queue_head_init(&conn->data_q);
977 INIT_LIST_HEAD(&conn->chan_list);
978 INIT_LIST_HEAD(&conn->link_list);
980 INIT_DELAYED_WORK(&conn->disc_work, hci_conn_timeout);
981 INIT_DELAYED_WORK(&conn->auto_accept_work, hci_conn_auto_accept);
982 INIT_DELAYED_WORK(&conn->idle_work, hci_conn_idle);
983 INIT_DELAYED_WORK(&conn->le_conn_timeout, le_conn_timeout);
985 atomic_set(&conn->refcnt, 0);
989 hci_conn_hash_add(hdev, conn);
995 if (conn->type != SCO_LINK && conn->type != ESCO_LINK) {
1000 hci_conn_init_sysfs(conn);
1002 return conn;
1019 static void hci_conn_cleanup_child(struct hci_conn *conn, u8 reason)
1024 /* Due to race, SCO/ISO conn might be not established yet at this point,
1028 switch (conn->type) {
1031 if (HCI_CONN_HANDLE_UNSET(conn->handle))
1032 hci_conn_failed(conn, reason);
1035 if ((conn->state != BT_CONNECTED &&
1036 !test_bit(HCI_CONN_CREATE_CIS, &conn->flags)) ||
1037 test_bit(HCI_CONN_BIG_CREATED, &conn->flags))
1038 hci_conn_failed(conn, reason);
1043 static void hci_conn_unlink(struct hci_conn *conn)
1045 struct hci_dev *hdev = conn->hdev;
1047 bt_dev_dbg(hdev, "hcon %p", conn);
1049 if (!conn->parent) {
1052 list_for_each_entry_safe(link, t, &conn->link_list, list) {
1053 struct hci_conn *child = link->conn;
1065 hci_conn_cleanup_child(child, conn->abort_reason);
1071 if (!conn->link)
1074 list_del_rcu(&conn->link->list);
1077 hci_conn_drop(conn->parent);
1078 hci_conn_put(conn->parent);
1079 conn->parent = NULL;
1081 kfree(conn->link);
1082 conn->link = NULL;
1085 void hci_conn_del(struct hci_conn *conn)
1087 struct hci_dev *hdev = conn->hdev;
1089 BT_DBG("%s hcon %p handle %d", hdev->name, conn, conn->handle);
1091 hci_conn_unlink(conn);
1093 cancel_delayed_work_sync(&conn->disc_work);
1094 cancel_delayed_work_sync(&conn->auto_accept_work);
1095 cancel_delayed_work_sync(&conn->idle_work);
1097 if (conn->type == ACL_LINK) {
1099 hdev->acl_cnt += conn->sent;
1100 } else if (conn->type == LE_LINK) {
1101 cancel_delayed_work(&conn->le_conn_timeout);
1104 hdev->le_cnt += conn->sent;
1106 hdev->acl_cnt += conn->sent;
1109 if (conn->type == ISO_LINK) {
1111 hdev->iso_cnt += conn->sent;
1113 hdev->le_cnt += conn->sent;
1115 hdev->acl_cnt += conn->sent;
1119 skb_queue_purge(&conn->data_q);
1126 hci_conn_cleanup(conn);
1129 hci_cmd_sync_dequeue(hdev, NULL, conn, NULL);
1194 static void hci_le_conn_failed(struct hci_conn *conn, u8 status)
1196 struct hci_dev *hdev = conn->hdev;
1198 hci_connect_le_scan_cleanup(conn, status);
1207 void hci_conn_failed(struct hci_conn *conn, u8 status)
1209 struct hci_dev *hdev = conn->hdev;
1213 switch (conn->type) {
1215 hci_le_conn_failed(conn, status);
1218 mgmt_connect_failed(hdev, &conn->dst, conn->type,
1219 conn->dst_type, status);
1223 /* In case of BIG/PA sync failed, clear conn flags so that
1226 test_and_clear_bit(HCI_CONN_BIG_SYNC_FAILED, &conn->flags);
1227 test_and_clear_bit(HCI_CONN_PA_SYNC_FAILED, &conn->flags);
1229 conn->state = BT_CLOSED;
1230 hci_connect_cfm(conn, status);
1231 hci_conn_del(conn);
1235 u8 hci_conn_set_handle(struct hci_conn *conn, u16 handle)
1237 struct hci_dev *hdev = conn->hdev;
1239 bt_dev_dbg(hdev, "hcon %p handle 0x%4.4x", conn, handle);
1241 if (conn->handle == handle)
1253 if (conn->abort_reason)
1254 return conn->abort_reason;
1256 if (HCI_CONN_HANDLE_UNSET(conn->handle))
1257 ida_free(&hdev->unset_handle_ida, conn->handle);
1259 conn->handle = handle;
1268 struct hci_conn *conn;
1291 conn = hci_conn_hash_lookup_le(hdev, dst, dst_type);
1292 if (conn && !test_bit(HCI_CONN_SCANNING, &conn->flags)) {
1316 if (conn) {
1317 bacpy(&conn->dst, dst);
1319 conn = hci_conn_add_unset(hdev, LE_LINK, dst, role);
1320 if (!conn)
1322 hci_conn_hold(conn);
1323 conn->pending_sec_level = sec_level;
1326 conn->dst_type = dst_type;
1327 conn->sec_level = BT_SECURITY_LOW;
1328 conn->conn_timeout = conn_timeout;
1329 conn->le_adv_phy = phy;
1330 conn->le_adv_sec_phy = sec_phy;
1332 err = hci_connect_le_sync(hdev, conn);
1334 hci_conn_del(conn);
1338 return conn;
1343 struct hci_conn *conn;
1345 conn = hci_conn_hash_lookup_le(hdev, addr, type);
1346 if (!conn)
1349 if (conn->state != BT_CONNECTED)
1395 struct hci_conn *conn;
1402 conn = hci_conn_hash_lookup_big(hdev, big);
1403 if (!conn)
1419 struct hci_conn *conn;
1425 conn = hci_conn_hash_lookup_big(hdev, qos->bcast.big);
1427 if (conn) {
1431 qos->bcast.bis = conn->iso_qos.bcast.bis;
1442 conn = hci_conn_hash_lookup_bis(hdev, BDADDR_ANY, bis);
1443 if (!conn)
1462 struct hci_conn *conn;
1481 conn = hci_conn_hash_lookup_per_adv_bis(hdev, dst, qos->bcast.big,
1483 if (conn)
1489 conn = hci_conn_hash_lookup_big(hdev, qos->bcast.big);
1491 if (conn && (memcmp(qos, &conn->iso_qos, sizeof(*qos)) ||
1492 base_len != conn->le_per_adv_data_len ||
1493 memcmp(conn->le_per_adv_data, base, base_len)))
1496 conn = hci_conn_add_unset(hdev, ISO_LINK, dst, HCI_ROLE_MASTER);
1497 if (!conn)
1500 conn->state = BT_CONNECT;
1502 hci_conn_hold(conn);
1503 return conn;
1512 struct hci_conn *conn;
1531 conn = hci_conn_hash_lookup_le(hdev, dst, dst_type);
1532 if (conn) {
1533 if (conn->pending_sec_level < sec_level)
1534 conn->pending_sec_level = sec_level;
1540 conn = hci_conn_add_unset(hdev, LE_LINK, dst, HCI_ROLE_MASTER);
1541 if (!conn)
1545 hci_conn_del(conn);
1549 conn->state = BT_CONNECT;
1550 set_bit(HCI_CONN_SCANNING, &conn->flags);
1551 conn->dst_type = dst_type;
1552 conn->sec_level = BT_SECURITY_LOW;
1553 conn->pending_sec_level = sec_level;
1554 conn->conn_timeout = conn_timeout;
1555 conn->conn_reason = conn_reason;
1560 hci_conn_hold(conn);
1561 return conn;
1615 struct hci_conn *conn)
1620 bt_dev_dbg(hdev, "parent %p hcon %p", parent, conn);
1622 if (conn->link)
1623 return conn->link;
1625 if (conn->parent)
1632 link->conn = hci_conn_hold(conn);
1633 conn->link = link;
1634 conn->parent = hci_conn_get(parent);
1691 static int hci_le_create_big(struct hci_conn *conn, struct bt_iso_qos *qos)
1693 struct hci_dev *hdev = conn->hdev;
1726 struct hci_conn *conn;
1731 conn = hci_conn_hash_lookup_cig(hdev, cig_id);
1732 if (!conn)
1737 qos = &conn->iso_qos;
1755 conn = hci_conn_hash_lookup_cis(hdev, NULL, 0, cig_id, cis_id);
1756 if (!conn)
1759 qos = &conn->iso_qos;
1763 cis->c_sdu = cpu_to_le16(conn->iso_qos.ucast.out.sdu);
1764 cis->p_sdu = cpu_to_le16(conn->iso_qos.ucast.in.sdu);
1782 static bool hci_le_set_cig_params(struct hci_conn *conn, struct bt_iso_qos *qos)
1784 struct hci_dev *hdev = conn->hdev;
1907 bool hci_iso_setup_path(struct hci_conn *conn)
1909 struct hci_dev *hdev = conn->hdev;
1914 if (conn->iso_qos.ucast.out.sdu) {
1915 cmd.handle = cpu_to_le16(conn->handle);
1925 if (conn->iso_qos.ucast.in.sdu) {
1926 cmd.handle = cpu_to_le16(conn->handle);
1939 int hci_conn_check_create_cis(struct hci_conn *conn)
1941 if (conn->type != ISO_LINK || !bacmp(&conn->dst, BDADDR_ANY))
1944 if (!conn->parent || conn->parent->state != BT_CONNECTED ||
1945 conn->state != BT_CONNECT || HCI_CONN_HANDLE_UNSET(conn->handle))
1958 struct hci_conn *conn;
1963 list_for_each_entry_rcu(conn, &hdev->conn_hash.list, list) {
1964 if (test_bit(HCI_CONN_CREATE_CIS, &conn->flags)) {
1969 if (!hci_conn_check_create_cis(conn))
1982 static void hci_iso_qos_setup(struct hci_dev *hdev, struct hci_conn *conn,
2002 qos->interval = conn->le_conn_interval * 1250;
2006 qos->latency = conn->le_conn_latency;
2011 struct hci_conn *conn = data;
2012 struct bt_iso_qos *qos = &conn->iso_qos;
2026 err = hci_start_per_adv_sync(hdev, qos->bcast.bis, conn->le_per_adv_data_len,
2027 conn->le_per_adv_data, flags, interval,
2032 return hci_le_create_big(conn, &conn->iso_qos);
2067 struct hci_conn *conn;
2073 conn = hci_conn_add_unset(hdev, ISO_LINK, dst, HCI_ROLE_SLAVE);
2074 if (!conn)
2077 conn->iso_qos = *qos;
2078 conn->state = BT_LISTEN;
2080 hci_conn_hold(conn);
2085 hci_conn_drop(conn);
2100 hci_conn_drop(conn);
2105 return conn;
2144 struct hci_conn *conn = data;
2146 bt_dev_dbg(hdev, "conn %p", conn);
2150 hci_connect_cfm(conn, err);
2151 hci_conn_del(conn);
2159 struct hci_conn *conn;
2165 conn = hci_conn_hash_lookup_big_state(hdev, qos->bcast.big, BT_OPEN);
2166 if (conn) {
2167 memcpy(qos, &conn->iso_qos, sizeof(*qos));
2168 conn->state = BT_CONNECTED;
2169 return conn;
2177 conn = hci_add_bis(hdev, dst, qos, base_len, eir);
2178 if (IS_ERR(conn))
2179 return conn;
2182 conn->le_tx_phy = qos->bcast.out.phy;
2183 conn->le_tx_phy = qos->bcast.out.phy;
2187 memcpy(conn->le_per_adv_data, eir, sizeof(eir));
2188 conn->le_per_adv_data_len = base_len;
2191 hci_iso_qos_setup(hdev, conn, &qos->bcast.out,
2192 conn->le_tx_phy ? conn->le_tx_phy :
2195 conn->iso_qos = *qos;
2196 conn->state = BT_BOUND;
2200 conn->iso_qos.bcast.big);
2201 if (parent && parent != conn) {
2202 link = hci_conn_link(parent, conn);
2204 hci_conn_drop(conn);
2209 hci_conn_drop(conn);
2212 return conn;
2215 static void bis_mark_per_adv(struct hci_conn *conn, void *data)
2220 if (bacmp(&conn->dst, BDADDR_ANY))
2223 if (d->big != conn->iso_qos.bcast.big ||
2225 d->bis != conn->iso_qos.bcast.bis)
2228 set_bit(HCI_CONN_PER_ADV, &conn->flags);
2235 struct hci_conn *conn;
2239 conn = hci_bind_bis(hdev, dst, qos, base_len, base);
2240 if (IS_ERR(conn))
2241 return conn;
2243 if (conn->state == BT_CONNECTED)
2244 return conn;
2257 err = hci_cmd_sync_queue(hdev, create_big_sync, conn,
2260 hci_conn_drop(conn);
2264 return conn;
2316 int hci_conn_check_link_mode(struct hci_conn *conn)
2318 BT_DBG("hcon %p", conn);
2324 if (hci_dev_test_flag(conn->hdev, HCI_SC_ONLY)) {
2325 if (!hci_conn_sc_enabled(conn) ||
2326 !test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2327 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)
2341 if (conn->sec_level == BT_SECURITY_FIPS &&
2342 !test_bit(HCI_CONN_AES_CCM, &conn->flags)) {
2343 bt_dev_err(conn->hdev,
2348 if (hci_conn_ssp_enabled(conn) &&
2349 !test_bit(HCI_CONN_ENCRYPT, &conn->flags))
2356 static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
2358 BT_DBG("hcon %p", conn);
2360 if (conn->pending_sec_level > sec_level)
2361 sec_level = conn->pending_sec_level;
2363 if (sec_level > conn->sec_level)
2364 conn->pending_sec_level = sec_level;
2365 else if (test_bit(HCI_CONN_AUTH, &conn->flags))
2369 auth_type |= (conn->auth_type & 0x01);
2371 conn->auth_type = auth_type;
2373 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
2376 cp.handle = cpu_to_le16(conn->handle);
2377 hci_send_cmd(conn->hdev, HCI_OP_AUTH_REQUESTED,
2383 if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags))
2384 set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
2391 static void hci_conn_encrypt(struct hci_conn *conn)
2393 BT_DBG("hcon %p", conn);
2395 if (!test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
2397 cp.handle = cpu_to_le16(conn->handle);
2399 hci_send_cmd(conn->hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
2405 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type,
2408 BT_DBG("hcon %p", conn);
2410 if (conn->type == LE_LINK)
2411 return smp_conn_security(conn, sec_level);
2419 if (sec_level == BT_SECURITY_LOW && !hci_conn_ssp_enabled(conn))
2423 if (!test_bit(HCI_CONN_AUTH, &conn->flags))
2426 switch (conn->key_type) {
2455 if (sec_level <= BT_SECURITY_MEDIUM || conn->pin_length == 16)
2463 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
2467 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
2469 if (!hci_conn_auth(conn, sec_level, auth_type))
2473 if (test_bit(HCI_CONN_ENCRYPT, &conn->flags)) {
2477 if (!conn->enc_key_size)
2484 hci_conn_encrypt(conn);
2490 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level)
2492 BT_DBG("hcon %p", conn);
2499 if (conn->sec_level == BT_SECURITY_HIGH ||
2500 conn->sec_level == BT_SECURITY_FIPS)
2509 int hci_conn_switch_role(struct hci_conn *conn, __u8 role)
2511 BT_DBG("hcon %p", conn);
2513 if (role == conn->role)
2516 if (!test_and_set_bit(HCI_CONN_RSWITCH_PEND, &conn->flags)) {
2518 bacpy(&cp.bdaddr, &conn->dst);
2520 hci_send_cmd(conn->hdev, HCI_OP_SWITCH_ROLE, sizeof(cp), &cp);
2528 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active)
2530 struct hci_dev *hdev = conn->hdev;
2532 BT_DBG("hcon %p mode %d", conn, conn->mode);
2534 if (conn->mode != HCI_CM_SNIFF)
2537 if (!test_bit(HCI_CONN_POWER_SAVE, &conn->flags) && !force_active)
2540 if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags)) {
2542 cp.handle = cpu_to_le16(conn->handle);
2548 queue_delayed_work(hdev->workqueue, &conn->idle_work,
2556 struct hci_conn *conn;
2564 while ((conn = list_first_entry_or_null(head,
2567 conn->state = BT_CLOSED;
2568 hci_disconn_cfm(conn, HCI_ERROR_LOCAL_HOST_TERM);
2569 hci_conn_del(conn);
2573 static u32 get_link_mode(struct hci_conn *conn)
2577 if (conn->role == HCI_ROLE_MASTER)
2580 if (test_bit(HCI_CONN_ENCRYPT, &conn->flags))
2583 if (test_bit(HCI_CONN_AUTH, &conn->flags))
2586 if (test_bit(HCI_CONN_SECURE, &conn->flags))
2589 if (test_bit(HCI_CONN_FIPS, &conn->flags))
2652 struct hci_conn *conn;
2659 conn = hci_conn_hash_lookup_ba(hdev, req.type, &req.bdaddr);
2660 if (conn) {
2661 bacpy(&ci.bdaddr, &conn->dst);
2662 ci.handle = conn->handle;
2663 ci.type = conn->type;
2664 ci.out = conn->out;
2665 ci.state = conn->state;
2666 ci.link_mode = get_link_mode(conn);
2670 if (!conn)
2679 struct hci_conn *conn;
2685 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &req.bdaddr);
2686 if (conn)
2687 req.type = conn->auth_type;
2690 if (!conn)
2696 struct hci_chan *hci_chan_create(struct hci_conn *conn)
2698 struct hci_dev *hdev = conn->hdev;
2701 BT_DBG("%s hcon %p", hdev->name, conn);
2703 if (test_bit(HCI_CONN_DROP, &conn->flags)) {
2712 chan->conn = hci_conn_get(conn);
2716 list_add_rcu(&chan->list, &conn->chan_list);
2723 struct hci_conn *conn = chan->conn;
2724 struct hci_dev *hdev = conn->hdev;
2726 BT_DBG("%s hcon %p chan %p", hdev->name, conn, chan);
2733 set_bit(HCI_CONN_DROP, &conn->flags);
2735 hci_conn_put(conn);
2741 void hci_chan_list_flush(struct hci_conn *conn)
2745 BT_DBG("hcon %p", conn);
2747 list_for_each_entry_safe(chan, n, &conn->chan_list, list)
2783 u32 hci_conn_get_phy(struct hci_conn *conn)
2791 switch (conn->type) {
2806 if (conn->pkt_type & (HCI_DM3 | HCI_DH3))
2809 if (conn->pkt_type & (HCI_DM5 | HCI_DH5))
2815 if (!(conn->pkt_type & HCI_2DH1))
2818 if (!(conn->pkt_type & HCI_2DH3))
2821 if (!(conn->pkt_type & HCI_2DH5))
2827 if (!(conn->pkt_type & HCI_3DH1))
2830 if (!(conn->pkt_type & HCI_3DH3))
2833 if (!(conn->pkt_type & HCI_3DH5))
2842 if (!(conn->pkt_type & (ESCO_EV4 | ESCO_EV5)))
2846 if (!(conn->pkt_type & ESCO_2EV3))
2849 if (!(conn->pkt_type & ESCO_2EV5))
2853 if (!(conn->pkt_type & ESCO_3EV3))
2856 if (!(conn->pkt_type & ESCO_3EV5))
2862 if (conn->le_tx_phy & HCI_LE_SET_PHY_1M)
2865 if (conn->le_rx_phy & HCI_LE_SET_PHY_1M)
2868 if (conn->le_tx_phy & HCI_LE_SET_PHY_2M)
2871 if (conn->le_rx_phy & HCI_LE_SET_PHY_2M)
2874 if (conn->le_tx_phy & HCI_LE_SET_PHY_CODED)
2877 if (conn->le_rx_phy & HCI_LE_SET_PHY_CODED)
2888 struct hci_conn *conn = data;
2890 if (!hci_conn_valid(hdev, conn))
2893 return hci_abort_conn_sync(hdev, conn, conn->abort_reason);
2896 int hci_abort_conn(struct hci_conn *conn, u8 reason)
2898 struct hci_dev *hdev = conn->hdev;
2903 if (conn->abort_reason)
2906 bt_dev_dbg(hdev, "handle 0x%2.2x reason 0x%2.2x", conn->handle, reason);
2908 conn->abort_reason = reason;
2917 if (conn->state == BT_CONNECT && hdev->req_status == HCI_REQ_PEND) {
2927 } else if (!hci_cancel_connect_sync(hdev, conn)) {
2931 return hci_cmd_sync_queue_once(hdev, abort_conn_sync, conn, NULL);