diff options
Diffstat (limited to 'net/bluetooth/hci_request.c')
| -rw-r--r-- | net/bluetooth/hci_request.c | 1534 |
1 files changed, 91 insertions, 1443 deletions
diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c index e64d558e5d69..5a0296a4352e 100644 --- a/net/bluetooth/hci_request.c +++ b/net/bluetooth/hci_request.c @@ -269,42 +269,10 @@ void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen, void hci_req_add(struct hci_request *req, u16 opcode, u32 plen, const void *param) { + bt_dev_err(req->hdev, "HCI_REQ-0x%4.4x", opcode); hci_req_add_ev(req, opcode, plen, param, 0); } -void __hci_req_write_fast_connectable(struct hci_request *req, bool enable) -{ - struct hci_dev *hdev = req->hdev; - struct hci_cp_write_page_scan_activity acp; - u8 type; - - if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) - return; - - if (hdev->hci_ver < BLUETOOTH_VER_1_2) - return; - - if (enable) { - type = PAGE_SCAN_TYPE_INTERLACED; - - /* 160 msec page scan interval */ - acp.interval = cpu_to_le16(0x0100); - } else { - type = hdev->def_page_scan_type; - acp.interval = cpu_to_le16(hdev->def_page_scan_int); - } - - acp.window = cpu_to_le16(hdev->def_page_scan_window); - - if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval || - __cpu_to_le16(hdev->page_scan_window) != acp.window) - hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY, - sizeof(acp), &acp); - - if (hdev->page_scan_type != type) - hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type); -} - static void start_interleave_scan(struct hci_dev *hdev) { hdev->interleave_scan_state = INTERLEAVE_SCAN_NO_FILTER; @@ -357,45 +325,6 @@ static bool __hci_update_interleaved_scan(struct hci_dev *hdev) return false; } -void __hci_req_update_name(struct hci_request *req) -{ - struct hci_dev *hdev = req->hdev; - struct hci_cp_write_local_name cp; - - memcpy(cp.name, hdev->dev_name, sizeof(cp.name)); - - hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp); -} - -void __hci_req_update_eir(struct hci_request *req) -{ - struct hci_dev *hdev = req->hdev; - struct hci_cp_write_eir cp; - - if (!hdev_is_powered(hdev)) - return; - - if (!lmp_ext_inq_capable(hdev)) - return; - - if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) - return; - - if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE)) - return; - - memset(&cp, 0, sizeof(cp)); - - eir_create(hdev, cp.data); - - if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0) - return; - - memcpy(hdev->eir, cp.data, sizeof(cp.data)); - - hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp); -} - void hci_req_add_le_scan_disable(struct hci_request *req, bool rpa_le_conn) { struct hci_dev *hdev = req->hdev; @@ -721,6 +650,96 @@ static inline bool hci_is_le_conn_scanning(struct hci_dev *hdev) return false; } +static void set_random_addr(struct hci_request *req, bdaddr_t *rpa); +static int hci_update_random_address(struct hci_request *req, + bool require_privacy, bool use_rpa, + u8 *own_addr_type) +{ + struct hci_dev *hdev = req->hdev; + int err; + + /* If privacy is enabled use a resolvable private address. If + * current RPA has expired or there is something else than + * the current RPA in use, then generate a new one. + */ + if (use_rpa) { + /* If Controller supports LL Privacy use own address type is + * 0x03 + */ + if (use_ll_privacy(hdev)) + *own_addr_type = ADDR_LE_DEV_RANDOM_RESOLVED; + else + *own_addr_type = ADDR_LE_DEV_RANDOM; + + if (rpa_valid(hdev)) + return 0; + + err = smp_generate_rpa(hdev, hdev->irk, &hdev->rpa); + if (err < 0) { + bt_dev_err(hdev, "failed to generate new RPA"); + return err; + } + + set_random_addr(req, &hdev->rpa); + + return 0; + } + + /* In case of required privacy without resolvable private address, + * use an non-resolvable private address. This is useful for active + * scanning and non-connectable advertising. + */ + if (require_privacy) { + bdaddr_t nrpa; + + while (true) { + /* The non-resolvable private address is generated + * from random six bytes with the two most significant + * bits cleared. + */ + get_random_bytes(&nrpa, 6); + nrpa.b[5] &= 0x3f; + + /* The non-resolvable private address shall not be + * equal to the public address. + */ + if (bacmp(&hdev->bdaddr, &nrpa)) + break; + } + + *own_addr_type = ADDR_LE_DEV_RANDOM; + set_random_addr(req, &nrpa); + return 0; + } + + /* If forcing static address is in use or there is no public + * address use the static address as random address (but skip + * the HCI command if the current random address is already the + * static one. + * + * In case BR/EDR has been disabled on a dual-mode controller + * and a static address has been configured, then use that + * address instead of the public BR/EDR address. + */ + if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) || + !bacmp(&hdev->bdaddr, BDADDR_ANY) || + (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) && + bacmp(&hdev->static_addr, BDADDR_ANY))) { + *own_addr_type = ADDR_LE_DEV_RANDOM; + if (bacmp(&hdev->static_addr, &hdev->random_addr)) + hci_req_add(req, HCI_OP_LE_SET_RANDOM_ADDR, 6, + &hdev->static_addr); + return 0; + } + + /* Neither privacy nor static address is being used so use a + * public address. + */ + *own_addr_type = ADDR_LE_DEV_PUBLIC; + + return 0; +} + /* Ensure to call hci_req_add_le_scan_disable() first to disable the * controller based address resolution to be able to reconfigure * resolving list. @@ -810,366 +829,6 @@ void hci_req_add_le_passive_scan(struct hci_request *req) addr_resolv); } -static void cancel_adv_timeout(struct hci_dev *hdev) -{ - if (hdev->adv_instance_timeout) { - hdev->adv_instance_timeout = 0; - cancel_delayed_work(&hdev->adv_instance_expire); - } -} - -static bool adv_cur_instance_is_scannable(struct hci_dev *hdev) -{ - return hci_adv_instance_is_scannable(hdev, hdev->cur_adv_instance); -} - -void __hci_req_disable_advertising(struct hci_request *req) -{ - if (ext_adv_capable(req->hdev)) { - __hci_req_disable_ext_adv_instance(req, 0x00); - } else { - u8 enable = 0x00; - - hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable); - } -} - -static bool adv_use_rpa(struct hci_dev *hdev, uint32_t flags) -{ - /* If privacy is not enabled don't use RPA */ - if (!hci_dev_test_flag(hdev, HCI_PRIVACY)) - return false; - - /* If basic privacy mode is enabled use RPA */ - if (!hci_dev_test_flag(hdev, HCI_LIMITED_PRIVACY)) - return true; - - /* If limited privacy mode is enabled don't use RPA if we're - * both discoverable and bondable. - */ - if ((flags & MGMT_ADV_FLAG_DISCOV) && - hci_dev_test_flag(hdev, HCI_BONDABLE)) - return false; - - /* We're neither bondable nor discoverable in the limited - * privacy mode, therefore use RPA. - */ - return true; -} - -static bool is_advertising_allowed(struct hci_dev *hdev, bool connectable) -{ - /* If there is no connection we are OK to advertise. */ - if (hci_conn_num(hdev, LE_LINK) == 0) - return true; - - /* Check le_states if there is any connection in peripheral role. */ - if (hdev->conn_hash.le_num_peripheral > 0) { - /* Peripheral connection state and non connectable mode bit 20. - */ - if (!connectable && !(hdev->le_states[2] & 0x10)) - return false; - - /* Peripheral connection state and connectable mode bit 38 - * and scannable bit 21. - */ - if (connectable && (!(hdev->le_states[4] & 0x40) || - !(hdev->le_states[2] & 0x20))) - return false; - } - - /* Check le_states if there is any connection in central role. */ - if (hci_conn_num(hdev, LE_LINK) != hdev->conn_hash.le_num_peripheral) { - /* Central connection state and non connectable mode bit 18. */ - if (!connectable && !(hdev->le_states[2] & 0x02)) - return false; - - /* Central connection state and connectable mode bit 35 and - * scannable 19. - */ - if (connectable && (!(hdev->le_states[4] & 0x08) || - !(hdev->le_states[2] & 0x08))) - return false; - } - - return true; -} - -void __hci_req_enable_advertising(struct hci_request *req) -{ - struct hci_dev *hdev = req->hdev; - struct adv_info *adv; - struct hci_cp_le_set_adv_param cp; - u8 own_addr_type, enable = 0x01; - bool connectable; - u16 adv_min_interval, adv_max_interval; - u32 flags; - - flags = hci_adv_instance_flags(hdev, hdev->cur_adv_instance); - adv = hci_find_adv_instance(hdev, hdev->cur_adv_instance); - - /* If the "connectable" instance flag was not set, then choose between - * ADV_IND and ADV_NONCONN_IND based on the global connectable setting. - */ - connectable = (flags & MGMT_ADV_FLAG_CONNECTABLE) || - mgmt_get_connectable(hdev); - - if (!is_advertising_allowed(hdev, connectable)) - return; - - if (hci_dev_test_flag(hdev, HCI_LE_ADV)) - __hci_req_disable_advertising(req); - - /* Clear the HCI_LE_ADV bit temporarily so that the - * hci_update_random_address knows that it's safe to go ahead - * and write a new random address. The flag will be set back on - * as soon as the SET_ADV_ENABLE HCI command completes. - */ - hci_dev_clear_flag(hdev, HCI_LE_ADV); - - /* Set require_privacy to true only when non-connectable - * advertising is used. In that case it is fine to use a - * non-resolvable private address. - */ - if (hci_update_random_address(req, !connectable, - adv_use_rpa(hdev, flags), - &own_addr_type) < 0) - return; - - memset(&cp, 0, sizeof(cp)); - - if (adv) { - adv_min_interval = adv->min_interval; - adv_max_interval = adv->max_interval; - } else { - adv_min_interval = hdev->le_adv_min_interval; - adv_max_interval = hdev->le_adv_max_interval; - } - - if (connectable) { - cp.type = LE_ADV_IND; - } else { - if (adv_cur_instance_is_scannable(hdev)) - cp.type = LE_ADV_SCAN_IND; - else - cp.type = LE_ADV_NONCONN_IND; - - if (!hci_dev_test_flag(hdev, HCI_DISCOVERABLE) || - hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE)) { - adv_min_interval = DISCOV_LE_FAST_ADV_INT_MIN; - adv_max_interval = DISCOV_LE_FAST_ADV_INT_MAX; - } - } - - cp.min_interval = cpu_to_le16(adv_min_interval); - cp.max_interval = cpu_to_le16(adv_max_interval); - cp.own_address_type = own_addr_type; - cp.channel_map = hdev->le_adv_channel_map; - - hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp); - - hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable); -} - -void __hci_req_update_scan_rsp_data(struct hci_request *req, u8 instance) -{ - struct hci_dev *hdev = req->hdev; - u8 len; - - if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED)) - return; - - if (ext_adv_capable(hdev)) { - struct { - struct hci_cp_le_set_ext_scan_rsp_data cp; - u8 data[HCI_MAX_EXT_AD_LENGTH]; - } pdu; - - memset(&pdu, 0, sizeof(pdu)); - - len = eir_create_scan_rsp(hdev, instance, pdu.data); - - if (hdev->scan_rsp_data_len == len && - !memcmp(pdu.data, hdev->scan_rsp_data, len)) - return; - - memcpy(hdev->scan_rsp_data, pdu.data, len); - hdev->scan_rsp_data_len = len; - - pdu.cp.handle = instance; - pdu.cp.length = len; - pdu.cp.operation = LE_SET_ADV_DATA_OP_COMPLETE; - pdu.cp.frag_pref = LE_SET_ADV_DATA_NO_FRAG; - - hci_req_add(req, HCI_OP_LE_SET_EXT_SCAN_RSP_DATA, - sizeof(pdu.cp) + len, &pdu.cp); - } else { - struct hci_cp_le_set_scan_rsp_data cp; - - memset(&cp, 0, sizeof(cp)); - - len = eir_create_scan_rsp(hdev, instance, cp.data); - - if (hdev->scan_rsp_data_len == len && - !memcmp(cp.data, hdev->scan_rsp_data, len)) - return; - - memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data)); - hdev->scan_rsp_data_len = len; - - cp.length = len; - - hci_req_add(req, HCI_OP_LE_SET_SCAN_RSP_DATA, sizeof(cp), &cp); - } -} - -void __hci_req_update_adv_data(struct hci_request *req, u8 instance) -{ - struct hci_dev *hdev = req->hdev; - u8 len; - - if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED)) - return; - - if (ext_adv_capable(hdev)) { - struct { - struct hci_cp_le_set_ext_adv_data cp; - u8 data[HCI_MAX_EXT_AD_LENGTH]; - } pdu; - - memset(&pdu, 0, sizeof(pdu)); - - len = eir_create_adv_data(hdev, instance, pdu.data); - - /* There's nothing to do if the data hasn't changed */ - if (hdev->adv_data_len == len && - memcmp(pdu.data, hdev->adv_data, len) == 0) - return; - - memcpy(hdev->adv_data, pdu.data, len); - hdev->adv_data_len = len; - - pdu.cp.length = len; - pdu.cp.handle = instance; - pdu.cp.operation = LE_SET_ADV_DATA_OP_COMPLETE; - pdu.cp.frag_pref = LE_SET_ADV_DATA_NO_FRAG; - - hci_req_add(req, HCI_OP_LE_SET_EXT_ADV_DATA, - sizeof(pdu.cp) + len, &pdu.cp); - } else { - struct hci_cp_le_set_adv_data cp; - - memset(&cp, 0, sizeof(cp)); - - len = eir_create_adv_data(hdev, instance, cp.data); - - /* There's nothing to do if the data hasn't changed */ - if (hdev->adv_data_len == len && - memcmp(cp.data, hdev->adv_data, len) == 0) - return; - - memcpy(hdev->adv_data, cp.data, sizeof(cp.data)); - hdev->adv_data_len = len; - - cp.length = len; - - hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp); - } -} - -int hci_req_update_adv_data(struct hci_dev *hdev, u8 instance) -{ - struct hci_request req; - - hci_req_init(&req, hdev); - __hci_req_update_adv_data(&req, instance); - - return hci_req_run(&req, NULL); -} - -static void enable_addr_resolution_complete(struct hci_dev *hdev, u8 status, - u16 opcode) -{ - BT_DBG("%s status %u", hdev->name, status); -} - -void hci_req_disable_address_resolution(struct hci_dev *hdev) -{ - struct hci_request req; - __u8 enable = 0x00; - - if (!hci_dev_test_flag(hdev, HCI_LL_RPA_RESOLUTION)) - return; - - hci_req_init(&req, hdev); - - hci_req_add(&req, HCI_OP_LE_SET_ADDR_RESOLV_ENABLE, 1, &enable); - - hci_req_run(&req, enable_addr_resolution_complete); -} - -static void adv_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode) -{ - bt_dev_dbg(hdev, "status %u", status); -} - -void hci_req_reenable_advertising(struct hci_dev *hdev) -{ - struct hci_request req; - - if (!hci_dev_test_flag(hdev, HCI_ADVERTISING) && - list_empty(&hdev->adv_instances)) - return; - - hci_req_init(&req, hdev); - - if (hdev->cur_adv_instance) { - __hci_req_schedule_adv_instance(&req, hdev->cur_adv_instance, - true); - } else { - if (ext_adv_capable(hdev)) { - __hci_req_start_ext_adv(&req, 0x00); - } else { - __hci_req_update_adv_data(&req, 0x00); - __hci_req_update_scan_rsp_data(&req, 0x00); - __hci_req_enable_advertising(&req); - } - } - - hci_req_run(&req, adv_enable_complete); -} - -static void adv_timeout_expire(struct work_struct *work) -{ - struct hci_dev *hdev = container_of(work, struct hci_dev, - adv_instance_expire.work); - - struct hci_request req; - u8 instance; - - bt_dev_dbg(hdev, ""); - - hci_dev_lock(hdev); - - hdev->adv_instance_timeout = 0; - - instance = hdev->cur_adv_instance; - if (instance == 0x00) - goto unlock; - - hci_req_init(&req, hdev); - - hci_req_clear_adv_instance(hdev, NULL, &req, instance, false); - - if (list_empty(&hdev->adv_instances)) - __hci_req_disable_advertising(&req); - - hci_req_run(&req, NULL); - -unlock: - hci_dev_unlock(hdev); -} - static int hci_req_add_le_interleaved_scan(struct hci_request *req, unsigned long opt) { @@ -1226,84 +885,6 @@ static void interleave_scan_work(struct work_struct *work) &hdev->interleave_scan, timeout); } -int hci_get_random_address(struct hci_dev *hdev, bool require_privacy, - bool use_rpa, struct adv_info *adv_instance, - u8 *own_addr_type, bdaddr_t *rand_addr) -{ - int err; - - bacpy(rand_addr, BDADDR_ANY); - - /* If privacy is enabled use a resolvable private address. If - * current RPA has expired then generate a new one. - */ - if (use_rpa) { - /* If Controller supports LL Privacy use own address type is - * 0x03 - */ - if (use_ll_privacy(hdev)) - *own_addr_type = ADDR_LE_DEV_RANDOM_RESOLVED; - else - *own_addr_type = ADDR_LE_DEV_RANDOM; - - if (adv_instance) { - if (adv_rpa_valid(adv_instance)) - return 0; - } else { - if (rpa_valid(hdev)) - return 0; - } - - err = smp_generate_rpa(hdev, hdev->irk, &hdev->rpa); - if (err < 0) { - bt_dev_err(hdev, "failed to generate new RPA"); - return err; - } - - bacpy(rand_addr, &hdev->rpa); - - return 0; - } - - /* In case of required privacy without resolvable private address, - * use an non-resolvable private address. This is useful for - * non-connectable advertising. - */ - if (require_privacy) { - bdaddr_t nrpa; - - while (true) { - /* The non-resolvable private address is generated - * from random six bytes with the two most significant - * bits cleared. - */ - get_random_bytes(&nrpa, 6); - nrpa.b[5] &= 0x3f; - - /* The non-resolvable private address shall not be - * equal to the public address. - */ - if (bacmp(&hdev->bdaddr, &nrpa)) - break; - } - - *own_addr_type = ADDR_LE_DEV_RANDOM; - bacpy(rand_addr, &nrpa); - - return 0; - } - - /* No privacy so use a public address. */ - *own_addr_type = ADDR_LE_DEV_PUBLIC; - - return 0; -} - -void __hci_req_clear_ext_adv_sets(struct hci_request *req) -{ - hci_req_add(req, HCI_OP_LE_CLEAR_ADV_SETS, 0, NULL); -} - static void set_random_addr(struct hci_request *req, bdaddr_t *rpa) { struct hci_dev *hdev = req->hdev; @@ -1328,933 +909,8 @@ static void set_random_addr(struct hci_request *req, bdaddr_t *rpa) hci_req_add(req, HCI_OP_LE_SET_RANDOM_ADDR, 6, rpa); } -int __hci_req_setup_ext_adv_instance(struct hci_request *req, u8 instance) -{ - struct hci_cp_le_set_ext_adv_params cp; - struct hci_dev *hdev = req->hdev; - bool connectable; - u32 flags; - bdaddr_t random_addr; - u8 own_addr_type; - int err; - struct adv_info *adv; - bool secondary_adv, require_privacy; - - if (instance > 0) { - adv = hci_find_adv_instance(hdev, instance); - if (!adv) - return -EINVAL; - } else { - adv = NULL; - } - - flags = hci_adv_instance_flags(hdev, instance); - - /* If the "connectable" instance flag was not set, then choose between - * ADV_IND and ADV_NONCONN_IND based on the global connectable setting. - */ - connectable = (flags & MGMT_ADV_FLAG_CONNECTABLE) || - mgmt_get_connectable(hdev); - - if (!is_advertising_allowed(hdev, connectable)) - return -EPERM; - - /* Set require_privacy to true only when non-connectable - * advertising is used. In that case it is fine to use a - * non-resolvable private address. - */ - require_privacy = !connectable; - - /* Don't require privacy for periodic adv? */ - if (adv && adv->periodic) - require_privacy = false; - - err = hci_get_random_address(hdev, require_privacy, - adv_use_rpa(hdev, flags), adv, - &own_addr_type, &random_addr); - if (err < 0) - return err; - - memset(&cp, 0, sizeof(cp)); - - if (adv) { - hci_cpu_to_le24(adv->min_interval, cp.min_interval); - hci_cpu_to_le24(adv->max_interval, cp.max_interval); - cp.tx_power = adv->tx_power; - } else { - hci_cpu_to_le24(hdev->le_adv_min_interval, cp.min_interval); - hci_cpu_to_le24(hdev->le_adv_max_interval, cp.max_interval); - cp.tx_power = HCI_ADV_TX_POWER_NO_PREFERENCE; - } - - secondary_adv = (flags & MGMT_ADV_FLAG_SEC_MASK); - - if (connectable) { - if (secondary_adv) - cp.evt_properties = cpu_to_le16(LE_EXT_ADV_CONN_IND); - else - cp.evt_properties = cpu_to_le16(LE_LEGACY_ADV_IND); - } else if (hci_adv_instance_is_scannable(hdev, instance) || - (flags & MGMT_ADV_PARAM_SCAN_RSP)) { - if (secondary_adv) - cp.evt_properties = cpu_to_le16(LE_EXT_ADV_SCAN_IND); - else - cp.evt_properties = cpu_to_le16(LE_LEGACY_ADV_SCAN_IND); - } else { - /* Secondary and periodic cannot use legacy PDUs */ - if (secondary_adv || (adv && adv->periodic)) - cp.evt_properties = cpu_to_le16(LE_EXT_ADV_NON_CONN_IND); - else - cp.evt_properties = cpu_to_le16(LE_LEGACY_NONCONN_IND); - } - - cp.own_addr_type = own_addr_type; - cp.channel_map = hdev->le_adv_channel_map; - cp.handle = instance; - - if (flags & MGMT_ADV_FLAG_SEC_2M) { - cp.primary_phy = HCI_ADV_PHY_1M; - cp.secondary_phy = HCI_ADV_PHY_2M; - } else if (flags & MGMT_ADV_FLAG_SEC_CODED) { - cp.primary_phy = HCI_ADV_PHY_CODED; - cp.secondary_phy = HCI_ADV_PHY_CODED; - } else { - /* In all other cases use 1M */ - cp.primary_phy = HCI_ADV_PHY_1M; - cp.secondary_phy = HCI_ADV_PHY_1M; - } - - hci_req_add(req, HCI_OP_LE_SET_EXT_ADV_PARAMS, sizeof(cp), &cp); - - if ((own_addr_type == ADDR_LE_DEV_RANDOM || - own_addr_type == ADDR_LE_DEV_RANDOM_RESOLVED) && - bacmp(&random_addr, BDADDR_ANY)) { - struct hci_cp_le_set_adv_set_rand_addr cp; - - /* Check if random address need to be updated */ - if (adv) { - if (!bacmp(&random_addr, &adv->random_addr)) - return 0; - } else { - if (!bacmp(&random_addr, &hdev->random_addr)) - return 0; - /* Instance 0x00 doesn't have an adv_info, instead it - * uses hdev->random_addr to track its address so - * whenever it needs to be updated this also set the - * random address since hdev->random_addr is shared with - * scan state machine. - */ - set_random_addr(req, &random_addr); - } - - memset(&cp, 0, sizeof(cp)); - - cp.handle = instance; - bacpy(&cp.bdaddr, &random_addr); - - hci_req_add(req, - HCI_OP_LE_SET_ADV_SET_RAND_ADDR, - sizeof(cp), &cp); - } - - return 0; -} - -int __hci_req_enable_ext_advertising(struct hci_request *req, u8 instance) -{ - struct hci_dev *hdev = req->hdev; - struct hci_cp_le_set_ext_adv_enable *cp; - struct hci_cp_ext_adv_set *adv_set; - u8 data[sizeof(*cp) + sizeof(*adv_set) * 1]; - struct adv_info *adv_instance; - - if (instance > 0) { - adv_instance = hci_find_adv_instance(hdev, instance); - if (!adv_instance) - return -EINVAL; - } else { - adv_instance = NULL; - } - - cp = (void *) data; - adv_set = (void *) cp->data; - - memset(cp, 0, sizeof(*cp)); - - cp->enable = 0x01; - cp->num_of_sets = 0x01; - - memset(adv_set, 0, sizeof(*adv_set)); - - adv_set->handle = instance; - - /* Set duration per instance since controller is responsible for - * scheduling it. - */ - if (adv_instance && adv_instance->duration) { - u16 duration = adv_instance->timeout * MSEC_PER_SEC; - - /* Time = N * 10 ms */ - adv_set->duration = cpu_to_le16(duration / 10); - } - - hci_req_add(req, HCI_OP_LE_SET_EXT_ADV_ENABLE, - sizeof(*cp) + sizeof(*adv_set) * cp->num_of_sets, - data); - - return 0; -} - -int __hci_req_disable_ext_adv_instance(struct hci_request *req, u8 instance) -{ - struct hci_dev *hdev = req->hdev; - struct hci_cp_le_set_ext_adv_enable *cp; - struct hci_cp_ext_adv_set *adv_set; - u8 data[sizeof(*cp) + sizeof(*adv_set) * 1]; - u8 req_size; - - /* If request specifies an instance that doesn't exist, fail */ - if (instance > 0 && !hci_find_adv_instance(hdev, instance)) - return -EINVAL; - - memset(data, 0, sizeof(data)); - - cp = (void *)data; - adv_set = (void *)cp->data; - - /* Instance 0x00 indicates all advertising instances will be disabled */ - cp->num_of_sets = !!instance; - cp->enable = 0x00; - - adv_set->handle = instance; - - req_size = sizeof(*cp) + sizeof(*adv_set) * cp->num_of_sets; - hci_req_add(req, HCI_OP_LE_SET_EXT_ADV_ENABLE, req_size, data); - - return 0; -} - -int __hci_req_remove_ext_adv_instance(struct hci_request *req, u8 instance) -{ - struct hci_dev *hdev = req->hdev; - - /* If request specifies an instance that doesn't exist, fail */ - if (instance > 0 && !hci_find_adv_instance(hdev, instance)) - return -EINVAL; - - hci_req_add(req, HCI_OP_LE_REMOVE_ADV_SET, sizeof(instance), &instance); - - return 0; -} - -int __hci_req_start_ext_adv(struct hci_request *req, u8 instance) -{ - struct hci_dev *hdev = req->hdev; - struct adv_info *adv_instance = hci_find_adv_instance(hdev, instance); - int err; - - /* If instance isn't pending, the chip knows about it, and it's safe to - * disable - */ - if (adv_instance && !adv_instance->pending) - __hci_req_disable_ext_adv_instance(req, instance); - - err = __hci_req_setup_ext_adv_instance(req, instance); - if (err < 0) - return err; - - __hci_req_update_scan_rsp_data(req, instance); - __hci_req_enable_ext_advertising(req, instance); - - return 0; -} - -int __hci_req_schedule_adv_instance(struct hci_request *req, u8 instance, - bool force) -{ - struct hci_dev *hdev = req->hdev; - struct adv_info *adv_instance = NULL; - u16 timeout; - - if (hci_dev_test_flag(hdev, HCI_ADVERTISING) || - list_empty(&hdev->adv_instances)) - return -EPERM; - - if (hdev->adv_instance_timeout) - return -EBUSY; - - adv_instance = hci_find_adv_instance(hdev, instance); - if (!adv_instance) - return -ENOENT; - - /* A zero timeout means unlimited advertising. As long as there is - * only one instance, duration should be ignored. We still set a timeout - * in case further instances are being added later on. - * - * If the remaining lifetime of the instance is more than the duration - * then the timeout corresponds to the duration, otherwise it will be - * reduced to the remaining instance lifetime. - */ - if (adv_instance->timeout == 0 || - adv_instance->duration <= adv_instance->remaining_time) - timeout = adv_instance->duration; - else - timeout = adv_instance->remaining_time; - - /* The remaining time is being reduced unless the instance is being - * advertised without time limit. - */ - if (adv_instance->timeout) - adv_instance->remaining_time = - adv_instance->remaining_time - timeout; - - /* Only use work for scheduling instances with legacy advertising */ - if (!ext_adv_capable(hdev)) { - hdev->adv_instance_timeout = timeout; - queue_delayed_work(hdev->req_workqueue, - &hdev->adv_instance_expire, - msecs_to_jiffies(timeout * 1000)); - } - - /* If we're just re-scheduling the same instance again then do not - * execute any HCI commands. This happens when a single instance is - * being advertised. - */ - if (!force && hdev->cur_adv_instance == instance && - hci_dev_test_flag(hdev, HCI_LE_ADV)) - return 0; - - hdev->cur_adv_instance = instance; - if (ext_adv_capable(hdev)) { - __hci_req_start_ext_adv(req, instance); - } else { - __hci_req_update_adv_data(req, instance); - __hci_req_update_scan_rsp_data(req, instance); - __hci_req_enable_advertising(req); - } - - return 0; -} - -/* For a single instance: - * - force == true: The instance will be removed even when its remaining - * lifetime is not zero. - * - force == false: the instance will be deactivated but kept stored unless - * the remaining lifetime is zero. - * - * For instance == 0x00: - * - force == true: All instances will be removed regardless of their timeout - * setting. - * - force == false: Only instances that have a timeout will be removed. - */ -void hci_req_clear_adv_instance(struct hci_dev *hdev, struct sock *sk, - struct hci_request *req, u8 instance, - bool force) -{ - struct adv_info *adv_instance, *n, *next_instance = NULL; - int err; - u8 rem_inst; - - /* Cancel any timeout concerning the removed instance(s). */ - if (!instance || hdev->cur_adv_instance == instance) - cancel_adv_timeout(hdev); - - /* Get the next instance to advertise BEFORE we remove - * the current one. This can be the same instance again - * if there is only one instance. - */ - if (instance && hdev->cur_adv_instance == instance) - next_instance = hci_get_next_instance(hdev, instance); - - if (instance == 0x00) { - list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances, - list) { - if (!(force || adv_instance->timeout)) - continue; - - rem_inst = adv_instance->instance; - err = hci_remove_adv_instance(hdev, rem_inst); - if (!err) - mgmt_advertising_removed(sk, hdev, rem_inst); - } - } else { - adv_instance = hci_find_adv_instance(hdev, instance); - - if (force || (adv_instance && adv_instance->timeout && - !adv_instance->remaining_time)) { - /* Don't advertise a removed instance. */ - if (next_instance && - next_instance->instance == instance) - next_instance = NULL; - - err = hci_remove_adv_instance(hdev, instance); - if (!err) - mgmt_advertising_removed(sk, hdev, instance); - } - } - - if (!req || !hdev_is_powered(hdev) || - hci_dev_test_flag(hdev, HCI_ADVERTISING)) - return; - - if (next_instance && !ext_adv_capable(hdev)) - __hci_req_schedule_adv_instance(req, next_instance->instance, - false); -} - -int hci_update_random_address(struct hci_request *req, bool require_privacy, - bool use_rpa, u8 *own_addr_type) -{ - struct hci_dev *hdev = req->hdev; - int err; - - /* If privacy is enabled use a resolvable private address. If - * current RPA has expired or there is something else than - * the current RPA in use, then generate a new one. - */ - if (use_rpa) { - /* If Controller supports LL Privacy use own address type is - * 0x03 - */ - if (use_ll_privacy(hdev)) - *own_addr_type = ADDR_LE_DEV_RANDOM_RESOLVED; - else - *own_addr_type = ADDR_LE_DEV_RANDOM; - - if (rpa_valid(hdev)) - return 0; - - err = smp_generate_rpa(hdev, hdev->irk, &hdev->rpa); - if (err < 0) { - bt_dev_err(hdev, "failed to generate new RPA"); - return err; - } - - set_random_addr(req, &hdev->rpa); - - return 0; - } - - /* In case of required privacy without resolvable private address, - * use an non-resolvable private address. This is useful for active - * scanning and non-connectable advertising. - */ - if (require_privacy) { - bdaddr_t nrpa; - - while (true) { - /* The non-resolvable private address is generated - * from random six bytes with the two most significant - * bits cleared. - */ - get_random_bytes(&nrpa, 6); - nrpa.b[5] &= 0x3f; - - /* The non-resolvable private address shall not be - * equal to the public address. - */ - if (bacmp(&hdev->bdaddr, &nrpa)) - break; - } - - *own_addr_type = ADDR_LE_DEV_RANDOM; - set_random_addr(req, &nrpa); - return 0; - } - - /* If forcing static address is in use or there is no public - * address use the static address as random address (but skip - * the HCI command if the current random address is already the - * static one. - * - * In case BR/EDR has been disabled on a dual-mode controller - * and a static address has been configured, then use that - * address instead of the public BR/EDR address. - */ - if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) || - !bacmp(&hdev->bdaddr, BDADDR_ANY) || - (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) && - bacmp(&hdev->static_addr, BDADDR_ANY))) { - *own_addr_type = ADDR_LE_DEV_RANDOM; - if (bacmp(&hdev->static_addr, &hdev->random_addr)) - hci_req_add(req, HCI_OP_LE_SET_RANDOM_ADDR, 6, - &hdev->static_addr); - return 0; - } - - /* Neither privacy nor static address is being used so use a - * public address. - */ - *own_addr_type = ADDR_LE_DEV_PUBLIC; - - return 0; -} - -static bool disconnected_accept_list_entries(struct hci_dev *hdev) -{ - struct bdaddr_list *b; - - list_for_each_entry(b, &hdev->accept_list, list) { - struct hci_conn *conn; - - conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &b->bdaddr); - if (!conn) - return true; - - if (conn->state != BT_CONNECTED && conn->state != BT_CONFIG) - return true; - } - - return false; -} - -void __hci_req_update_scan(struct hci_request *req) -{ - struct hci_dev *hdev = req->hdev; - u8 scan; - - if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) - return; - - if (!hdev_is_powered(hdev)) - return; - - if (mgmt_powering_down(hdev)) - return; - - if (hdev->scanning_paused) - return; - - if (hci_dev_test_flag(hdev, HCI_CONNECTABLE) || - disconnected_accept_list_entries(hdev)) - scan = SCAN_PAGE; - else - scan = SCAN_DISABLED; - - if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) - scan |= SCAN_INQUIRY; - - if (test_bit(HCI_PSCAN, &hdev->flags) == !!(scan & SCAN_PAGE) && - test_bit(HCI_ISCAN, &hdev->flags) == !!(scan & SCAN_INQUIRY)) - return; - - hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); -} - -static u8 get_service_classes(struct hci_dev *hdev) -{ - struct bt_uuid *uuid; - u8 val = 0; - - list_for_each_entry(uuid, &hdev->uuids, list) - val |= uuid->svc_hint; - - return val; -} - -void __hci_req_update_class(struct hci_request *req) -{ - struct hci_dev *hdev = req->hdev; - u8 cod[3]; - - bt_dev_dbg(hdev, ""); - - if (!hdev_is_powered(hdev)) - return; - - if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) - return; - - if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE)) - return; - - cod[0] = hdev->minor_class; - cod[1] = hdev->major_class; - cod[2] = get_service_classes(hdev); - - if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE)) - cod[1] |= 0x20; - - if (memcmp(cod, hdev->dev_class, 3) == 0) - return; - - hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod); -} - -void __hci_abort_conn(struct hci_request *req, struct hci_conn *conn, - u8 reason) -{ - switch (conn->state) { - case BT_CONNECTED: - case BT_CONFIG: - if (conn->type == AMP_LINK) { - struct hci_cp_disconn_phy_link cp; - - cp.phy_handle = HCI_PHY_HANDLE(conn->handle); - cp.reason = reason; - hci_req_add(req, HCI_OP_DISCONN_PHY_LINK, sizeof(cp), - &cp); - } else { - struct hci_cp_disconnect dc; - - dc.handle = cpu_to_le16(conn->handle); - dc.reason = reason; - hci_req_add(req, HCI_OP_DISCONNECT, sizeof(dc), &dc); - } - - conn->state = BT_DISCONN; - - break; - case BT_CONNECT: - if (conn->type == LE_LINK) { - if (test_bit(HCI_CONN_SCANNING, &conn->flags)) - break; - hci_req_add(req, HCI_OP_LE_CREATE_CONN_CANCEL, - 0, NULL); - } else if (conn->type == ACL_LINK) { - if (req->hdev->hci_ver < BLUETOOTH_VER_1_2) - break; - hci_req_add(req, HCI_OP_CREATE_CONN_CANCEL, - 6, &conn->dst); - } - break; - case BT_CONNECT2: - if (conn->type == ACL_LINK) { - struct hci_cp_reject_conn_req rej; - - bacpy(&rej.bdaddr, &conn->dst); - rej.reason = reason; - - hci_req_add(req, HCI_OP_REJECT_CONN_REQ, - sizeof(rej), &rej); - } else if (conn->type == SCO_LINK || conn->type == ESCO_LINK) { - struct hci_cp_reject_sync_conn_req rej; - - bacpy(&rej.bdaddr, &conn->dst); - - /* SCO rejection has its own limited set of - * allowed error values (0x0D-0x0F) which isn't - * compatible with most values passed to this - * function. To be safe hard-code one of the - * values that's suitable for SCO. - */ - rej.reason = HCI_ERROR_REJ_LIMITED_RESOURCES; - - hci_req_add(req, HCI_OP_REJECT_SYNC_CONN_REQ, - sizeof(rej), &rej); - } - break; - default: - conn->state = BT_CLOSED; - break; - } -} - -static void abort_conn_complete(struct hci_dev *hdev, u8 status, u16 opcode) -{ - if (status) - bt_dev_dbg(hdev, "Failed to abort connection: status 0x%2.2x", status); -} - -int hci_abort_conn(struct hci_conn *conn, u8 reason) -{ - struct hci_request req; - int err; - - hci_req_init(&req, conn->hdev); - - __hci_abort_conn(&req, conn, reason); - - err = hci_req_run(&req, abort_conn_complete); - if (err && err != -ENODATA) { - bt_dev_err(conn->hdev, "failed to run HCI request: err %d", err); - return err; - } - - return 0; -} - -static int le_scan_disable(struct hci_request *req, unsigned long opt) -{ - hci_req_add_le_scan_disable(req, false); - return 0; -} - -static int bredr_inquiry(struct hci_request *req, unsigned long opt) -{ - u8 length = opt; - const u8 giac[3] = { 0x33, 0x8b, 0x9e }; - const u8 liac[3] = { 0x00, 0x8b, 0x9e }; - struct hci_cp_inquiry cp; - - if (test_bit(HCI_INQUIRY, &req->hdev->flags)) - return 0; - - bt_dev_dbg(req->hdev, ""); - - hci_dev_lock(req->hdev); - hci_inquiry_cache_flush(req->hdev); - hci_dev_unlock(req->hdev); - - memset(&cp, 0, sizeof(cp)); - - if (req->hdev->discovery.limited) - memcpy(&cp.lap, liac, sizeof(cp.lap)); - else - memcpy(&cp.lap, giac, sizeof(cp.lap)); - - cp.length = length; - - hci_req_add(req, HCI_OP_INQUIRY, sizeof(cp), &cp); - - return 0; -} - -static void le_scan_disable_work(struct work_struct *work) -{ - struct hci_dev *hdev = container_of(work, struct hci_dev, - le_scan_disable.work); - u8 status; - - bt_dev_dbg(hdev, ""); - - if (!hci_dev_test_flag(hdev, HCI_LE_SCAN)) - return; - - cancel_delayed_work(&hdev->le_scan_restart); - - hci_req_sync(hdev, le_scan_disable, 0, HCI_CMD_TIMEOUT, &status); - if (status) { - bt_dev_err(hdev, "failed to disable LE scan: status 0x%02x", - status); - return; - } - - hdev->discovery.scan_start = 0; - - /* If we were running LE only scan, change discovery state. If - * we were running both LE and BR/EDR inquiry simultaneously, - * and BR/EDR inquiry is already finished, stop discovery, - * otherwise BR/EDR inquiry will stop discovery when finished. - * If we will resolve remote device name, do not change - * discovery state. - */ - - if (hdev->discovery.type == DISCOV_TYPE_LE) - goto discov_stopped; - - if (hdev->discovery.type != DISCOV_TYPE_INTERLEAVED) - return; - - if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks)) { - if (!test_bit(HCI_INQUIRY, &hdev->flags) && - hdev->discovery.state != DISCOVERY_RESOLVING) - goto discov_stopped; - - return; - } - - hci_req_sync(hdev, bredr_inquiry, DISCOV_INTERLEAVED_INQUIRY_LEN, - HCI_CMD_TIMEOUT, &status); - if (status) { - bt_dev_err(hdev, "inquiry failed: status 0x%02x", status); - goto discov_stopped; - } - - return; - -discov_stopped: - hci_dev_lock(hdev); - hci_discovery_set_state(hdev, DISCOVERY_STOPPED); - hci_dev_unlock(hdev); -} - -static int le_scan_restart(struct hci_request *req, unsigned long opt) -{ - struct hci_dev *hdev = req->hdev; - - /* If controller is not scanning we are done. */ - if (!hci_dev_test_flag(hdev, HCI_LE_SCAN)) - return 0; - - if (hdev->scanning_paused) { - bt_dev_dbg(hdev, "Scanning is paused for suspend"); - return 0; - } - - hci_req_add_le_scan_disable(req, false); - - if (use_ext_scan(hdev)) { - struct hci_cp_le_set_ext_scan_enable ext_enable_cp; - - memset(&ext_enable_cp, 0, sizeof(ext_enable_cp)); - ext_enable_cp.enable = LE_SCAN_ENABLE; - ext_enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE; - - hci_req_add(req, HCI_OP_LE_SET_EXT_SCAN_ENABLE, - sizeof(ext_enable_cp), &ext_enable_cp); - } else { - struct hci_cp_le_set_scan_enable cp; - - memset(&cp, 0, sizeof(cp)); - cp.enable = LE_SCAN_ENABLE; - cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE; - hci_req_add(req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(cp), &cp); - } - - return 0; -} - -static void le_scan_restart_work(struct work_struct *work) -{ - struct hci_dev *hdev = container_of(work, struct hci_dev, - le_scan_restart.work); - unsigned long timeout, duration, scan_start, now; - u8 status; - - bt_dev_dbg(hdev, ""); - - hci_req_sync(hdev, le_scan_restart, 0, HCI_CMD_TIMEOUT, &status); - if (status) { - bt_dev_err(hdev, "failed to restart LE scan: status %d", - status); - return; - } - - hci_dev_lock(hdev); - - if (!test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks) || - !hdev->discovery.scan_start) - goto unlock; - - /* When the scan was started, hdev->le_scan_disable has been queued - * after duration from scan_start. During scan restart this job - * has been canceled, and we need to queue it again after proper - * timeout, to make sure that scan does not run indefinitely. - */ - duration = hdev->discovery.scan_duration; - scan_start = hdev->discovery.scan_start; - now = jiffies; - if (now - scan_start <= duration) { - int elapsed; - - if (now >= scan_start) - elapsed = now - scan_start; - else - elapsed = ULONG_MAX - scan_start + now; - - timeout = duration - elapsed; - } else { - timeout = 0; - } - - queue_delayed_work(hdev->req_workqueue, - &hdev->le_scan_disable, timeout); - -unlock: - hci_dev_unlock(hdev); -} - -bool hci_req_stop_discovery(struct hci_request *req) -{ - struct hci_dev *hdev = req->hdev; - struct discovery_state *d = &hdev->discovery; - struct hci_cp_remote_name_req_cancel cp; - struct inquiry_entry *e; - bool ret = false; - - bt_dev_dbg(hdev, "state %u", hdev->discovery.state); - - if (d->state == DISCOVERY_FINDING || d->state == DISCOVERY_STOPPING) { - if (test_bit(HCI_INQUIRY, &hdev->flags)) - hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL); - - if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) { - cancel_delayed_work(&hdev->le_scan_disable); - cancel_delayed_work(&hdev->le_scan_restart); - hci_req_add_le_scan_disable(req, false); - } - - ret = true; - } else { - /* Passive scanning */ - if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) { - hci_req_add_le_scan_disable(req, false); - ret = true; - } - } - - /* No further actions needed for LE-only discovery */ - if (d->type == DISCOV_TYPE_LE) - return ret; - - if (d->state == DISCOVERY_RESOLVING || d->state == DISCOVERY_STOPPING) { - e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, - NAME_PENDING); - if (!e) - return ret; - - bacpy(&cp.bdaddr, &e->data.bdaddr); - hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp), - &cp); - ret = true; - } - - return ret; -} - -static void config_data_path_complete(struct hci_dev *hdev, u8 status, - u16 opcode) -{ - bt_dev_dbg(hdev, "status %u", status); -} - -int hci_req_configure_datapath(struct hci_dev *hdev, struct bt_codec *codec) -{ - struct hci_request req; - int err; - __u8 vnd_len, *vnd_data = NULL; - struct hci_op_configure_data_path *cmd = NULL; - - hci_req_init(&req, hdev); - - err = hdev->get_codec_config_data(hdev, ESCO_LINK, codec, &vnd_len, - &vnd_data); - if (err < 0) - goto error; - - cmd = kzalloc(sizeof(*cmd) + vnd_len, GFP_KERNEL); - if (!cmd) { - err = -ENOMEM; - goto error; - } - - err = hdev->get_data_path_id(hdev, &cmd->data_path_id); - if (err < 0) - goto error; - - cmd->vnd_len = vnd_len; - memcpy(cmd->vnd_data, vnd_data, vnd_len); - - cmd->direction = 0x00; - hci_req_add(&req, HCI_CONFIGURE_DATA_PATH, sizeof(*cmd) + vnd_len, cmd); - - cmd->direction = 0x01; - hci_req_add(&req, HCI_CONFIGURE_DATA_PATH, sizeof(*cmd) + vnd_len, cmd); - - err = hci_req_run(&req, config_data_path_complete); -error: - - kfree(cmd); - kfree(vnd_data); - return err; -} - void hci_request_setup(struct hci_dev *hdev) { - INIT_DELAYED_WORK(&hdev->le_scan_disable, le_scan_disable_work); - INIT_DELAYED_WORK(&hdev->le_scan_restart, le_scan_restart_work); - INIT_DELAYED_WORK(&hdev->adv_instance_expire, adv_timeout_expire); INIT_DELAYED_WORK(&hdev->interleave_scan, interleave_scan_work); } @@ -2262,13 +918,5 @@ void hci_request_cancel_all(struct hci_dev *hdev) { __hci_cmd_sync_cancel(hdev, ENODEV); - cancel_delayed_work_sync(&hdev->le_scan_disable); - cancel_delayed_work_sync(&hdev->le_scan_restart); - - if (hdev->adv_instance_timeout) { - cancel_delayed_work_sync(&hdev->adv_instance_expire); - hdev->adv_instance_timeout = 0; - } - cancel_interleave_scan(hdev); } |