/****************************************************************************** * * Copyright (C) 2014 The Android Open Source Project * Copyright (C) 2009-2012 Broadcom Corporation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ******************************************************************************/ /************************************************************************************ * * Filename: btif_core.c * * Description: Contains core functionality related to interfacing between * Bluetooth HAL and BTE core stack. * ***********************************************************************************/ #define LOG_TAG "bt_btif_core" #include #include #include #include #include #include #include #include #include #include "bdaddr.h" #include "bt_utils.h" #include "bta_api.h" #include "bte.h" #include "btif_api.h" #include "btif_av.h" #include "btif_config.h" #include "btif_config.h" #include "btif_pan.h" #include "btif_profile_queue.h" #include "btif_sock.h" #include "btif_storage.h" #include "btif_uid.h" #include "btif_util.h" #include "btu.h" #include "device/include/controller.h" #include "bt_common.h" #include "osi/include/fixed_queue.h" #include "osi/include/future.h" #include "osi/include/log.h" #include "osi/include/osi.h" #include "osi/include/properties.h" #include "osi/include/thread.h" #include "stack_manager.h" /************************************************************************************ ** Constants & Macros ************************************************************************************/ #ifndef BTE_DID_CONF_FILE // TODO(armansito): Find a better way than searching by a hardcoded path. #if defined(OS_GENERIC) #define BTE_DID_CONF_FILE "bt_did.conf" #else // !defined(OS_GENERIC) #define BTE_DID_CONF_FILE "/etc/bluetooth/bt_did.conf" #endif // defined(OS_GENERIC) #endif // BTE_DID_CONF_FILE /************************************************************************************ ** Local type definitions ************************************************************************************/ /* These type definitions are used when passing data from the HAL to BTIF context * in the downstream path for the adapter and remote_device property APIs */ typedef struct { bt_bdaddr_t bd_addr; bt_property_type_t type; } btif_storage_read_t; typedef struct { bt_bdaddr_t bd_addr; bt_property_t prop; } btif_storage_write_t; typedef union { btif_storage_read_t read_req; btif_storage_write_t write_req; } btif_storage_req_t; typedef enum { BTIF_CORE_STATE_DISABLED = 0, BTIF_CORE_STATE_ENABLING, BTIF_CORE_STATE_ENABLED, BTIF_CORE_STATE_DISABLING } btif_core_state_t; /************************************************************************************ ** Static variables ************************************************************************************/ bt_bdaddr_t btif_local_bd_addr; static tBTA_SERVICE_MASK btif_enabled_services = 0; /* * This variable should be set to 1, if the Bluedroid+BTIF libraries are to * function in DUT mode. * * To set this, the btif_init_bluetooth needs to be called with argument as 1 */ static UINT8 btif_dut_mode = 0; static thread_t *bt_jni_workqueue_thread; static const char *BT_JNI_WORKQUEUE_NAME = "bt_jni_workqueue"; static uid_set_t* uid_set = NULL; /************************************************************************************ ** Static functions ************************************************************************************/ static void btif_jni_associate(UNUSED_ATTR uint16_t event, UNUSED_ATTR char *p_param); static void btif_jni_disassociate(); static bool btif_fetch_property(const char *key, bt_bdaddr_t *addr); /* sends message to btif task */ static void btif_sendmsg(void *p_msg); /************************************************************************************ ** Externs ************************************************************************************/ extern fixed_queue_t *btu_hci_msg_queue; extern void bte_load_did_conf(const char *p_path); /** TODO: Move these to _common.h */ void bte_main_boot_entry(void); void bte_main_disable(void); void bte_main_cleanup(void); #if (defined(HCILP_INCLUDED) && HCILP_INCLUDED == TRUE) void bte_main_enable_lpm(BOOLEAN enable); #endif void bte_main_postload_cfg(void); void btif_dm_execute_service_request(UINT16 event, char *p_param); #ifdef BTIF_DM_OOB_TEST void btif_dm_load_local_oob(void); #endif void bte_main_config_hci_logging(BOOLEAN enable, BOOLEAN bt_disabled); /******************************************************************************* ** ** Function btif_context_switched ** ** Description Callback used to execute transferred context callback ** ** p_msg : message to be executed in btif context ** ** Returns void ** *******************************************************************************/ static void btif_context_switched(void *p_msg) { BTIF_TRACE_VERBOSE("btif_context_switched"); tBTIF_CONTEXT_SWITCH_CBACK *p = (tBTIF_CONTEXT_SWITCH_CBACK *) p_msg; /* each callback knows how to parse the data */ if (p->p_cb) p->p_cb(p->event, p->p_param); } /******************************************************************************* ** ** Function btif_transfer_context ** ** Description This function switches context to btif task ** ** p_cback : callback used to process message in btif context ** event : event id of message ** p_params : parameter area passed to callback (copied) ** param_len : length of parameter area ** p_copy_cback : If set this function will be invoked for deep copy ** ** Returns void ** *******************************************************************************/ bt_status_t btif_transfer_context (tBTIF_CBACK *p_cback, UINT16 event, char* p_params, int param_len, tBTIF_COPY_CBACK *p_copy_cback) { tBTIF_CONTEXT_SWITCH_CBACK *p_msg = (tBTIF_CONTEXT_SWITCH_CBACK *)osi_malloc(sizeof(tBTIF_CONTEXT_SWITCH_CBACK) + param_len); BTIF_TRACE_VERBOSE("btif_transfer_context event %d, len %d", event, param_len); /* allocate and send message that will be executed in btif context */ p_msg->hdr.event = BT_EVT_CONTEXT_SWITCH_EVT; /* internal event */ p_msg->p_cb = p_cback; p_msg->event = event; /* callback event */ /* check if caller has provided a copy callback to do the deep copy */ if (p_copy_cback) { p_copy_cback(event, p_msg->p_param, p_params); } else if (p_params) { memcpy(p_msg->p_param, p_params, param_len); /* callback parameter data */ } btif_sendmsg(p_msg); return BT_STATUS_SUCCESS; } /******************************************************************************* ** ** Function btif_is_dut_mode ** ** Description checks if BTIF is currently in DUT mode ** ** Returns 1 if test mode, otherwize 0 ** *******************************************************************************/ UINT8 btif_is_dut_mode(void) { return (btif_dut_mode == 1); } /******************************************************************************* ** ** Function btif_is_enabled ** ** Description checks if main adapter is fully enabled ** ** Returns 1 if fully enabled, otherwize 0 ** *******************************************************************************/ int btif_is_enabled(void) { return ((!btif_is_dut_mode()) && (stack_manager_get_interface()->get_stack_is_running())); } void btif_init_ok(UNUSED_ATTR uint16_t event, UNUSED_ATTR char *p_param) { BTIF_TRACE_DEBUG("btif_task: received trigger stack init event"); #if (BLE_INCLUDED == TRUE) btif_dm_load_ble_local_keys(); #endif BTA_EnableBluetooth(bte_dm_evt); } /******************************************************************************* ** ** Function btif_task ** ** Description BTIF task handler managing all messages being passed ** Bluetooth HAL and BTA. ** ** Returns void ** *******************************************************************************/ static void bt_jni_msg_ready(void *context) { BT_HDR *p_msg = (BT_HDR *)context; BTIF_TRACE_VERBOSE("btif task fetched event %x", p_msg->event); switch (p_msg->event) { case BT_EVT_CONTEXT_SWITCH_EVT: btif_context_switched(p_msg); break; default: BTIF_TRACE_ERROR("unhandled btif event (%d)", p_msg->event & BT_EVT_MASK); break; } osi_free(p_msg); } /******************************************************************************* ** ** Function btif_sendmsg ** ** Description Sends msg to BTIF task ** ** Returns void ** *******************************************************************************/ void btif_sendmsg(void *p_msg) { if (!bt_jni_workqueue_thread) { BTIF_TRACE_ERROR("%s: message dropped, queue not initialized or gone", __func__); osi_free(p_msg); return; } thread_post(bt_jni_workqueue_thread, bt_jni_msg_ready, p_msg); } void btif_thread_post(thread_fn func, void *context) { if (!bt_jni_workqueue_thread) { BTIF_TRACE_ERROR("%s: call dropped, queue not initialized or gone", __func__); return; } thread_post(bt_jni_workqueue_thread, func, context); } static bool btif_fetch_property(const char *key, bt_bdaddr_t *addr) { char val[PROPERTY_VALUE_MAX] = {0}; if (osi_property_get(key, val, NULL)) { if (string_to_bdaddr(val, addr)) { BTIF_TRACE_DEBUG("%s: Got BDA %s", __func__, val); return TRUE; } BTIF_TRACE_DEBUG("%s: System Property did not contain valid bdaddr", __func__); } return FALSE; } static void btif_fetch_local_bdaddr(bt_bdaddr_t *local_addr) { char val[PROPERTY_VALUE_MAX] = {0}; uint8_t valid_bda = FALSE; int val_size = 0; const uint8_t null_bdaddr[BD_ADDR_LEN] = {0,0,0,0,0,0}; /* Get local bdaddr storage path from property */ if (osi_property_get(PROPERTY_BT_BDADDR_PATH, val, NULL)) { int addr_fd; BTIF_TRACE_DEBUG("%s, local bdaddr is stored in %s", __func__, val); if ((addr_fd = open(val, O_RDONLY)) != -1) { memset(val, 0, sizeof(val)); read(addr_fd, val, FACTORY_BT_BDADDR_STORAGE_LEN); /* If this is not a reserved/special bda, then use it */ if ((string_to_bdaddr(val, local_addr)) && (memcmp(local_addr->address, null_bdaddr, BD_ADDR_LEN) != 0)) { valid_bda = TRUE; BTIF_TRACE_DEBUG("%s: Got Factory BDA %s", __func__, val); } close(addr_fd); } } if(!valid_bda) { val_size = sizeof(val); if(btif_config_get_str("Adapter", "Address", val, &val_size)) { string_to_bdaddr(val, local_addr); BTIF_TRACE_DEBUG("local bdaddr from bt_config.xml is %s", val); return; } } /* No factory BDADDR found. Look for previously generated random BDA */ if (!valid_bda) { valid_bda = btif_fetch_property(PERSIST_BDADDR_PROPERTY, local_addr); } /* No BDADDR found in file. Look for BDA in factory property */ if (!valid_bda) { valid_bda = btif_fetch_property(FACTORY_BT_ADDR_PROPERTY, local_addr); } /* Generate new BDA if necessary */ if (!valid_bda) { bdstr_t bdstr; /* No autogen BDA. Generate one now. */ local_addr->address[0] = 0x22; local_addr->address[1] = 0x22; local_addr->address[2] = (uint8_t) osi_rand(); local_addr->address[3] = (uint8_t) osi_rand(); local_addr->address[4] = (uint8_t) osi_rand(); local_addr->address[5] = (uint8_t) osi_rand(); /* Convert to ascii, and store as a persistent property */ bdaddr_to_string(local_addr, bdstr, sizeof(bdstr)); BTIF_TRACE_DEBUG("No preset BDA. Generating BDA: %s for prop %s", (char*)bdstr, PERSIST_BDADDR_PROPERTY); if (osi_property_set(PERSIST_BDADDR_PROPERTY, (char*)bdstr) < 0) BTIF_TRACE_ERROR("Failed to set random BDA in prop %s",PERSIST_BDADDR_PROPERTY); } //save the bd address to config file bdstr_t bdstr; bdaddr_to_string(local_addr, bdstr, sizeof(bdstr)); val_size = sizeof(val); if (btif_config_get_str("Adapter", "Address", val, &val_size)) { if (strcmp(bdstr, val) ==0) { // BDA is already present in the config file. return; } } btif_config_set_str("Adapter", "Address", bdstr); } /******************************************************************************* ** ** Function btif_init_bluetooth ** ** Description Creates BTIF task and prepares BT scheduler for startup ** ** Returns bt_status_t ** *******************************************************************************/ bt_status_t btif_init_bluetooth() { bte_main_boot_entry(); /* As part of the init, fetch the local BD ADDR */ memset(&btif_local_bd_addr, 0, sizeof(bt_bdaddr_t)); btif_fetch_local_bdaddr(&btif_local_bd_addr); bt_jni_workqueue_thread = thread_new(BT_JNI_WORKQUEUE_NAME); if (bt_jni_workqueue_thread == NULL) { LOG_ERROR(LOG_TAG, "%s Unable to create thread %s", __func__, BT_JNI_WORKQUEUE_NAME); goto error_exit; } // Associate this workqueue thread with jni. btif_transfer_context(btif_jni_associate, 0, NULL, 0, NULL); return BT_STATUS_SUCCESS; error_exit:; thread_free(bt_jni_workqueue_thread); bt_jni_workqueue_thread = NULL; return BT_STATUS_FAIL; } /******************************************************************************* ** ** Function btif_enable_bluetooth_evt ** ** Description Event indicating bluetooth enable is completed ** Notifies HAL user with updated adapter state ** ** Returns void ** *******************************************************************************/ void btif_enable_bluetooth_evt(tBTA_STATUS status) { const controller_t *controller = controller_get_interface(); bdstr_t bdstr; bdaddr_to_string(controller->get_address(), bdstr, sizeof(bdstr)); BTIF_TRACE_DEBUG("%s: status %d, local bd [%s]", __FUNCTION__, status, bdstr); if (bdcmp(btif_local_bd_addr.address, controller->get_address()->address)) { // TODO(zachoverflow): this whole code path seems like a bad time waiting to happen // We open the vendor library using the old address. bdstr_t old_address; bt_property_t prop; bdaddr_to_string(&btif_local_bd_addr, old_address, sizeof(old_address)); /** * The Controller's BDADDR does not match to the BTIF's initial BDADDR! * This could be because the factory BDADDR was stored separately in * the Controller's non-volatile memory rather than in device's file * system. **/ BTIF_TRACE_WARNING("***********************************************"); BTIF_TRACE_WARNING("BTIF init BDA was %s", old_address); BTIF_TRACE_WARNING("Controller BDA is %s", bdstr); BTIF_TRACE_WARNING("***********************************************"); btif_local_bd_addr = *controller->get_address(); //save the bd address to config file btif_config_set_str("Adapter", "Address", bdstr); btif_config_save(); //fire HAL callback for property change prop.type = BT_PROPERTY_BDADDR; prop.val = (void*)&btif_local_bd_addr; prop.len = sizeof(bt_bdaddr_t); HAL_CBACK(bt_hal_cbacks, adapter_properties_cb, BT_STATUS_SUCCESS, 1, &prop); } bte_main_postload_cfg(); #if (defined(HCILP_INCLUDED) && HCILP_INCLUDED == TRUE) bte_main_enable_lpm(TRUE); #endif /* add passing up bd address as well ? */ /* callback to HAL */ if (status == BTA_SUCCESS) { uid_set = uid_set_create(); btif_dm_init(uid_set); /* init rfcomm & l2cap api */ btif_sock_init(uid_set); /* init pan */ btif_pan_init(); /* load did configuration */ bte_load_did_conf(BTE_DID_CONF_FILE); #ifdef BTIF_DM_OOB_TEST btif_dm_load_local_oob(); #endif future_ready(stack_manager_get_hack_future(), FUTURE_SUCCESS); } else { /* cleanup rfcomm & l2cap api */ btif_sock_cleanup(); btif_pan_cleanup(); future_ready(stack_manager_get_hack_future(), FUTURE_FAIL); } } /******************************************************************************* ** ** Function btif_disable_bluetooth ** ** Description Inititates shutdown of Bluetooth system. ** Any active links will be dropped and device entering ** non connectable/discoverable mode ** ** Returns void ** *******************************************************************************/ bt_status_t btif_disable_bluetooth(void) { BTIF_TRACE_DEBUG("BTIF DISABLE BLUETOOTH"); btif_dm_on_disable(); /* cleanup rfcomm & l2cap api */ btif_sock_cleanup(); btif_pan_cleanup(); BTA_DisableBluetooth(); return BT_STATUS_SUCCESS; } /******************************************************************************* ** ** Function btif_disable_bluetooth_evt ** ** Description Event notifying BT disable is now complete. ** Terminates main stack tasks and notifies HAL ** user with updated BT state. ** ** Returns void ** *******************************************************************************/ void btif_disable_bluetooth_evt(void) { BTIF_TRACE_DEBUG("%s", __FUNCTION__); #if (defined(HCILP_INCLUDED) && HCILP_INCLUDED == TRUE) bte_main_enable_lpm(FALSE); #endif bte_main_disable(); /* callback to HAL */ future_ready(stack_manager_get_hack_future(), FUTURE_SUCCESS); } /******************************************************************************* ** ** Function btif_cleanup_bluetooth ** ** Description Cleanup BTIF state. ** ** Returns void ** *******************************************************************************/ bt_status_t btif_cleanup_bluetooth(void) { BTIF_TRACE_DEBUG("%s", __FUNCTION__); #if (BLE_INCLUDED == TRUE) BTA_VendorCleanup(); #endif btif_dm_cleanup(); btif_jni_disassociate(); btif_queue_release(); thread_free(bt_jni_workqueue_thread); bt_jni_workqueue_thread = NULL; bte_main_cleanup(); btif_dut_mode = 0; BTIF_TRACE_DEBUG("%s done", __FUNCTION__); return BT_STATUS_SUCCESS; } /******************************************************************************* ** ** Function btif_dut_mode_cback ** ** Description Callback invoked on completion of vendor specific test mode command ** ** Returns None ** *******************************************************************************/ static void btif_dut_mode_cback( tBTM_VSC_CMPL *p ) { UNUSED(p); /* For now nothing to be done. */ } /******************************************************************************* ** ** Function btif_dut_mode_configure ** ** Description Configure Test Mode - 'enable' to 1 puts the device in test mode and 0 exits ** test mode ** ** Returns BT_STATUS_SUCCESS on success ** *******************************************************************************/ bt_status_t btif_dut_mode_configure(uint8_t enable) { BTIF_TRACE_DEBUG("%s", __FUNCTION__); if (!stack_manager_get_interface()->get_stack_is_running()) { BTIF_TRACE_ERROR("btif_dut_mode_configure : Bluetooth not enabled"); return BT_STATUS_NOT_READY; } btif_dut_mode = enable; if (enable == 1) { BTA_EnableTestMode(); } else { BTA_DisableTestMode(); } return BT_STATUS_SUCCESS; } /******************************************************************************* ** ** Function btif_dut_mode_send ** ** Description Sends a HCI Vendor specific command to the controller ** ** Returns BT_STATUS_SUCCESS on success ** *******************************************************************************/ bt_status_t btif_dut_mode_send(uint16_t opcode, uint8_t *buf, uint8_t len) { /* TODO: Check that opcode is a vendor command group */ BTIF_TRACE_DEBUG("%s", __FUNCTION__); if (!btif_is_dut_mode()) { BTIF_TRACE_ERROR("Bluedroid HAL needs to be init with test_mode set to 1."); return BT_STATUS_FAIL; } BTM_VendorSpecificCommand(opcode, len, buf, btif_dut_mode_cback); return BT_STATUS_SUCCESS; } /***************************************************************************** ** ** btif api adapter property functions ** *****************************************************************************/ static bt_status_t btif_in_get_adapter_properties(void) { bt_property_t properties[6]; uint32_t num_props; bt_bdaddr_t addr; bt_bdname_t name; bt_scan_mode_t mode; uint32_t disc_timeout; bt_bdaddr_t bonded_devices[BTM_SEC_MAX_DEVICE_RECORDS]; bt_uuid_t local_uuids[BT_MAX_NUM_UUIDS]; num_props = 0; /* BD_ADDR */ BTIF_STORAGE_FILL_PROPERTY(&properties[num_props], BT_PROPERTY_BDADDR, sizeof(addr), &addr); btif_storage_get_adapter_property(&properties[num_props]); num_props++; /* BD_NAME */ BTIF_STORAGE_FILL_PROPERTY(&properties[num_props], BT_PROPERTY_BDNAME, sizeof(name), &name); btif_storage_get_adapter_property(&properties[num_props]); num_props++; /* SCAN_MODE */ BTIF_STORAGE_FILL_PROPERTY(&properties[num_props], BT_PROPERTY_ADAPTER_SCAN_MODE, sizeof(mode), &mode); btif_storage_get_adapter_property(&properties[num_props]); num_props++; /* DISC_TIMEOUT */ BTIF_STORAGE_FILL_PROPERTY(&properties[num_props], BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT, sizeof(disc_timeout), &disc_timeout); btif_storage_get_adapter_property(&properties[num_props]); num_props++; /* BONDED_DEVICES */ BTIF_STORAGE_FILL_PROPERTY(&properties[num_props], BT_PROPERTY_ADAPTER_BONDED_DEVICES, sizeof(bonded_devices), bonded_devices); btif_storage_get_adapter_property(&properties[num_props]); num_props++; /* LOCAL UUIDs */ BTIF_STORAGE_FILL_PROPERTY(&properties[num_props], BT_PROPERTY_UUIDS, sizeof(local_uuids), local_uuids); btif_storage_get_adapter_property(&properties[num_props]); num_props++; HAL_CBACK(bt_hal_cbacks, adapter_properties_cb, BT_STATUS_SUCCESS, num_props, properties); return BT_STATUS_SUCCESS; } static bt_status_t btif_in_get_remote_device_properties(bt_bdaddr_t *bd_addr) { bt_property_t remote_properties[8]; uint32_t num_props = 0; bt_bdname_t name, alias; uint32_t cod, devtype; bt_uuid_t remote_uuids[BT_MAX_NUM_UUIDS]; memset(remote_properties, 0, sizeof(remote_properties)); BTIF_STORAGE_FILL_PROPERTY(&remote_properties[num_props], BT_PROPERTY_BDNAME, sizeof(name), &name); btif_storage_get_remote_device_property(bd_addr, &remote_properties[num_props]); num_props++; BTIF_STORAGE_FILL_PROPERTY(&remote_properties[num_props], BT_PROPERTY_REMOTE_FRIENDLY_NAME, sizeof(alias), &alias); btif_storage_get_remote_device_property(bd_addr, &remote_properties[num_props]); num_props++; BTIF_STORAGE_FILL_PROPERTY(&remote_properties[num_props], BT_PROPERTY_CLASS_OF_DEVICE, sizeof(cod), &cod); btif_storage_get_remote_device_property(bd_addr, &remote_properties[num_props]); num_props++; BTIF_STORAGE_FILL_PROPERTY(&remote_properties[num_props], BT_PROPERTY_TYPE_OF_DEVICE, sizeof(devtype), &devtype); btif_storage_get_remote_device_property(bd_addr, &remote_properties[num_props]); num_props++; BTIF_STORAGE_FILL_PROPERTY(&remote_properties[num_props], BT_PROPERTY_UUIDS, sizeof(remote_uuids), remote_uuids); btif_storage_get_remote_device_property(bd_addr, &remote_properties[num_props]); num_props++; HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb, BT_STATUS_SUCCESS, bd_addr, num_props, remote_properties); return BT_STATUS_SUCCESS; } /******************************************************************************* ** ** Function execute_storage_request ** ** Description Executes adapter storage request in BTIF context ** ** Returns bt_status_t ** *******************************************************************************/ static void execute_storage_request(UINT16 event, char *p_param) { bt_status_t status = BT_STATUS_SUCCESS; BTIF_TRACE_EVENT("execute storage request event : %d", event); switch(event) { case BTIF_CORE_STORAGE_ADAPTER_WRITE: { btif_storage_req_t *p_req = (btif_storage_req_t*)p_param; bt_property_t *p_prop = &(p_req->write_req.prop); BTIF_TRACE_EVENT("type: %d, len %d, 0x%x", p_prop->type, p_prop->len, p_prop->val); status = btif_storage_set_adapter_property(p_prop); HAL_CBACK(bt_hal_cbacks, adapter_properties_cb, status, 1, p_prop); } break; case BTIF_CORE_STORAGE_ADAPTER_READ: { btif_storage_req_t *p_req = (btif_storage_req_t*)p_param; char buf[512]; bt_property_t prop; prop.type = p_req->read_req.type; prop.val = (void*)buf; prop.len = sizeof(buf); if (prop.type == BT_PROPERTY_LOCAL_LE_FEATURES) { #if (BLE_INCLUDED == TRUE) tBTM_BLE_VSC_CB cmn_vsc_cb; bt_local_le_features_t local_le_features; /* LE features are not stored in storage. Should be retrived from stack */ BTM_BleGetVendorCapabilities(&cmn_vsc_cb); local_le_features.local_privacy_enabled = BTM_BleLocalPrivacyEnabled(); prop.len = sizeof (bt_local_le_features_t); if (cmn_vsc_cb.filter_support == 1) local_le_features.max_adv_filter_supported = cmn_vsc_cb.max_filter; else local_le_features.max_adv_filter_supported = 0; local_le_features.max_adv_instance = cmn_vsc_cb.adv_inst_max; local_le_features.max_irk_list_size = cmn_vsc_cb.max_irk_list_sz; local_le_features.rpa_offload_supported = cmn_vsc_cb.rpa_offloading; local_le_features.scan_result_storage_size = cmn_vsc_cb.tot_scan_results_strg; local_le_features.activity_energy_info_supported = cmn_vsc_cb.energy_support; local_le_features.version_supported = cmn_vsc_cb.version_supported; local_le_features.total_trackable_advertisers = cmn_vsc_cb.total_trackable_advertisers; local_le_features.extended_scan_support = cmn_vsc_cb.extended_scan_support > 0; local_le_features.debug_logging_supported = cmn_vsc_cb.debug_logging_supported > 0; memcpy(prop.val, &local_le_features, prop.len); #endif } else { status = btif_storage_get_adapter_property(&prop); } HAL_CBACK(bt_hal_cbacks, adapter_properties_cb, status, 1, &prop); } break; case BTIF_CORE_STORAGE_ADAPTER_READ_ALL: { status = btif_in_get_adapter_properties(); } break; case BTIF_CORE_STORAGE_NOTIFY_STATUS: { HAL_CBACK(bt_hal_cbacks, adapter_properties_cb, status, 0, NULL); } break; default: BTIF_TRACE_ERROR("%s invalid event id (%d)", __FUNCTION__, event); break; } } static void execute_storage_remote_request(UINT16 event, char *p_param) { bt_status_t status = BT_STATUS_FAIL; bt_property_t prop; BTIF_TRACE_EVENT("execute storage remote request event : %d", event); switch (event) { case BTIF_CORE_STORAGE_REMOTE_READ: { char buf[1024]; btif_storage_req_t *p_req = (btif_storage_req_t*)p_param; prop.type = p_req->read_req.type; prop.val = (void*) buf; prop.len = sizeof(buf); status = btif_storage_get_remote_device_property(&(p_req->read_req.bd_addr), &prop); HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb, status, &(p_req->read_req.bd_addr), 1, &prop); }break; case BTIF_CORE_STORAGE_REMOTE_WRITE: { btif_storage_req_t *p_req = (btif_storage_req_t*)p_param; status = btif_storage_set_remote_device_property(&(p_req->write_req.bd_addr), &(p_req->write_req.prop)); }break; case BTIF_CORE_STORAGE_REMOTE_READ_ALL: { btif_storage_req_t *p_req = (btif_storage_req_t*)p_param; btif_in_get_remote_device_properties(&p_req->read_req.bd_addr); }break; } } void btif_adapter_properties_evt(bt_status_t status, uint32_t num_props, bt_property_t *p_props) { HAL_CBACK(bt_hal_cbacks, adapter_properties_cb, status, num_props, p_props); } void btif_remote_properties_evt(bt_status_t status, bt_bdaddr_t *remote_addr, uint32_t num_props, bt_property_t *p_props) { HAL_CBACK(bt_hal_cbacks, remote_device_properties_cb, status, remote_addr, num_props, p_props); } /******************************************************************************* ** ** Function btif_in_storage_request_copy_cb ** ** Description Switch context callback function to perform the deep copy for ** both the adapter and remote_device property API ** ** Returns None ** *******************************************************************************/ static void btif_in_storage_request_copy_cb(UINT16 event, char *p_new_buf, char *p_old_buf) { btif_storage_req_t *new_req = (btif_storage_req_t*)p_new_buf; btif_storage_req_t *old_req = (btif_storage_req_t*)p_old_buf; BTIF_TRACE_EVENT("%s", __FUNCTION__); switch (event) { case BTIF_CORE_STORAGE_REMOTE_WRITE: case BTIF_CORE_STORAGE_ADAPTER_WRITE: { bdcpy(new_req->write_req.bd_addr.address, old_req->write_req.bd_addr.address); /* Copy the member variables one at a time */ new_req->write_req.prop.type = old_req->write_req.prop.type; new_req->write_req.prop.len = old_req->write_req.prop.len; new_req->write_req.prop.val = (UINT8 *)(p_new_buf + sizeof(btif_storage_req_t)); memcpy(new_req->write_req.prop.val, old_req->write_req.prop.val, old_req->write_req.prop.len); }break; } } /******************************************************************************* ** ** Function btif_get_adapter_properties ** ** Description Fetch all available properties (local & remote) ** ** Returns bt_status_t ** *******************************************************************************/ bt_status_t btif_get_adapter_properties(void) { BTIF_TRACE_EVENT("%s", __FUNCTION__); if (!btif_is_enabled()) return BT_STATUS_NOT_READY; return btif_transfer_context(execute_storage_request, BTIF_CORE_STORAGE_ADAPTER_READ_ALL, NULL, 0, NULL); } /******************************************************************************* ** ** Function btif_get_adapter_property ** ** Description Fetches property value from local cache ** ** Returns bt_status_t ** *******************************************************************************/ bt_status_t btif_get_adapter_property(bt_property_type_t type) { btif_storage_req_t req; BTIF_TRACE_EVENT("%s %d", __FUNCTION__, type); /* Allow get_adapter_property only for BDADDR and BDNAME if BT is disabled */ if (!btif_is_enabled() && (type != BT_PROPERTY_BDADDR) && (type != BT_PROPERTY_BDNAME)) return BT_STATUS_NOT_READY; memset(&(req.read_req.bd_addr), 0, sizeof(bt_bdaddr_t)); req.read_req.type = type; return btif_transfer_context(execute_storage_request, BTIF_CORE_STORAGE_ADAPTER_READ, (char*)&req, sizeof(btif_storage_req_t), NULL); } /******************************************************************************* ** ** Function btif_set_adapter_property ** ** Description Updates core stack with property value and stores it in ** local cache ** ** Returns bt_status_t ** *******************************************************************************/ bt_status_t btif_set_adapter_property(const bt_property_t *property) { btif_storage_req_t req; bt_status_t status = BT_STATUS_SUCCESS; int storage_req_id = BTIF_CORE_STORAGE_NOTIFY_STATUS; /* default */ char bd_name[BTM_MAX_LOC_BD_NAME_LEN +1]; UINT16 name_len = 0; BTIF_TRACE_EVENT("btif_set_adapter_property type: %d, len %d, 0x%x", property->type, property->len, property->val); if (!btif_is_enabled()) return BT_STATUS_NOT_READY; switch(property->type) { case BT_PROPERTY_BDNAME: { name_len = property->len > BTM_MAX_LOC_BD_NAME_LEN ? BTM_MAX_LOC_BD_NAME_LEN: property->len; memcpy(bd_name,property->val, name_len); bd_name[name_len] = '\0'; BTIF_TRACE_EVENT("set property name : %s", (char *)bd_name); BTA_DmSetDeviceName((char *)bd_name); storage_req_id = BTIF_CORE_STORAGE_ADAPTER_WRITE; } break; case BT_PROPERTY_ADAPTER_SCAN_MODE: { bt_scan_mode_t mode = *(bt_scan_mode_t*)property->val; tBTA_DM_DISC disc_mode; tBTA_DM_CONN conn_mode; switch(mode) { case BT_SCAN_MODE_NONE: disc_mode = BTA_DM_NON_DISC; conn_mode = BTA_DM_NON_CONN; break; case BT_SCAN_MODE_CONNECTABLE: disc_mode = BTA_DM_NON_DISC; conn_mode = BTA_DM_CONN; break; case BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE: disc_mode = BTA_DM_GENERAL_DISC; conn_mode = BTA_DM_CONN; break; default: BTIF_TRACE_ERROR("invalid scan mode (0x%x)", mode); return BT_STATUS_PARM_INVALID; } BTIF_TRACE_EVENT("set property scan mode : %x", mode); BTA_DmSetVisibility(disc_mode, conn_mode, BTA_DM_IGNORE, BTA_DM_IGNORE); storage_req_id = BTIF_CORE_STORAGE_ADAPTER_WRITE; } break; case BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT: { /* Nothing to do beside store the value in NV. Java will change the SCAN_MODE property after setting timeout, if required */ storage_req_id = BTIF_CORE_STORAGE_ADAPTER_WRITE; } break; case BT_PROPERTY_BDADDR: case BT_PROPERTY_UUIDS: case BT_PROPERTY_ADAPTER_BONDED_DEVICES: case BT_PROPERTY_REMOTE_FRIENDLY_NAME: /* no write support through HAL, these properties are only populated from BTA events */ status = BT_STATUS_FAIL; break; default: BTIF_TRACE_ERROR("btif_get_adapter_property : invalid type %d", property->type); status = BT_STATUS_FAIL; break; } if (storage_req_id != BTIF_CORE_STORAGE_NO_ACTION) { /* pass on to storage for updating local database */ memset(&(req.write_req.bd_addr), 0, sizeof(bt_bdaddr_t)); memcpy(&(req.write_req.prop), property, sizeof(bt_property_t)); return btif_transfer_context(execute_storage_request, storage_req_id, (char*)&req, sizeof(btif_storage_req_t)+property->len, btif_in_storage_request_copy_cb); } return status; } /******************************************************************************* ** ** Function btif_get_remote_device_property ** ** Description Fetches the remote device property from the NVRAM ** ** Returns bt_status_t ** *******************************************************************************/ bt_status_t btif_get_remote_device_property(bt_bdaddr_t *remote_addr, bt_property_type_t type) { btif_storage_req_t req; if (!btif_is_enabled()) return BT_STATUS_NOT_READY; memcpy(&(req.read_req.bd_addr), remote_addr, sizeof(bt_bdaddr_t)); req.read_req.type = type; return btif_transfer_context(execute_storage_remote_request, BTIF_CORE_STORAGE_REMOTE_READ, (char*)&req, sizeof(btif_storage_req_t), NULL); } /******************************************************************************* ** ** Function btif_get_remote_device_properties ** ** Description Fetches all the remote device properties from NVRAM ** ** Returns bt_status_t ** *******************************************************************************/ bt_status_t btif_get_remote_device_properties(bt_bdaddr_t *remote_addr) { btif_storage_req_t req; if (!btif_is_enabled()) return BT_STATUS_NOT_READY; memcpy(&(req.read_req.bd_addr), remote_addr, sizeof(bt_bdaddr_t)); return btif_transfer_context(execute_storage_remote_request, BTIF_CORE_STORAGE_REMOTE_READ_ALL, (char*)&req, sizeof(btif_storage_req_t), NULL); } /******************************************************************************* ** ** Function btif_set_remote_device_property ** ** Description Writes the remote device property to NVRAM. ** Currently, BT_PROPERTY_REMOTE_FRIENDLY_NAME is the only ** remote device property that can be set ** ** Returns bt_status_t ** *******************************************************************************/ bt_status_t btif_set_remote_device_property(bt_bdaddr_t *remote_addr, const bt_property_t *property) { btif_storage_req_t req; if (!btif_is_enabled()) return BT_STATUS_NOT_READY; memcpy(&(req.write_req.bd_addr), remote_addr, sizeof(bt_bdaddr_t)); memcpy(&(req.write_req.prop), property, sizeof(bt_property_t)); return btif_transfer_context(execute_storage_remote_request, BTIF_CORE_STORAGE_REMOTE_WRITE, (char*)&req, sizeof(btif_storage_req_t)+property->len, btif_in_storage_request_copy_cb); } /******************************************************************************* ** ** Function btif_get_remote_service_record ** ** Description Looks up the service matching uuid on the remote device ** and fetches the SCN and service_name if the UUID is found ** ** Returns bt_status_t ** *******************************************************************************/ bt_status_t btif_get_remote_service_record(bt_bdaddr_t *remote_addr, bt_uuid_t *uuid) { if (!btif_is_enabled()) return BT_STATUS_NOT_READY; return btif_dm_get_remote_service_record(remote_addr, uuid); } /******************************************************************************* ** ** Function btif_get_enabled_services_mask ** ** Description Fetches currently enabled services ** ** Returns tBTA_SERVICE_MASK ** *******************************************************************************/ tBTA_SERVICE_MASK btif_get_enabled_services_mask(void) { return btif_enabled_services; } /******************************************************************************* ** ** Function btif_enable_service ** ** Description Enables the service 'service_ID' to the service_mask. ** Upon BT enable, BTIF core shall invoke the BTA APIs to ** enable the profiles ** ** Returns bt_status_t ** *******************************************************************************/ bt_status_t btif_enable_service(tBTA_SERVICE_ID service_id) { tBTA_SERVICE_ID *p_id = &service_id; /* If BT is enabled, we need to switch to BTIF context and trigger the * enable for that profile * * Otherwise, we just set the flag. On BT_Enable, the DM will trigger * enable for the profiles that have been enabled */ btif_enabled_services |= (1 << service_id); BTIF_TRACE_DEBUG("%s: current services:0x%x", __FUNCTION__, btif_enabled_services); if (btif_is_enabled()) { btif_transfer_context(btif_dm_execute_service_request, BTIF_DM_ENABLE_SERVICE, (char*)p_id, sizeof(tBTA_SERVICE_ID), NULL); } return BT_STATUS_SUCCESS; } /******************************************************************************* ** ** Function btif_disable_service ** ** Description Disables the service 'service_ID' to the service_mask. ** Upon BT disable, BTIF core shall invoke the BTA APIs to ** disable the profiles ** ** Returns bt_status_t ** *******************************************************************************/ bt_status_t btif_disable_service(tBTA_SERVICE_ID service_id) { tBTA_SERVICE_ID *p_id = &service_id; /* If BT is enabled, we need to switch to BTIF context and trigger the * disable for that profile so that the appropriate uuid_property_changed will * be triggerred. Otherwise, we just need to clear the service_id in the mask */ btif_enabled_services &= (tBTA_SERVICE_MASK)(~(1<