/****************************************************************************** * * Copyright (C) 2008-2014 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. * ******************************************************************************/ /****************************************************************************** * * This file contains functions for BLE GAP. * ******************************************************************************/ #include //#include #include #include "bt_types.h" //#include "bt_utils.h" #include "btm_int.h" #include "btm_ble_api.h" #include "btu.h" #include "controller.h" #include "hcimsgs.h" #include "gap_api.h" #if BLE_INCLUDED == TRUE #include "l2c_int.h" #include "gattdefs.h" #include "gatt_int.h" #include "btm_ble_int.h" //#define LOG_TAG "bt_btm_ble" //#include "osi/include/log.h" #define BTM_BLE_NAME_SHORT 0x01 #define BTM_BLE_NAME_CMPL 0x02 #define BTM_BLE_FILTER_TARGET_UNKNOWN 0xff #define BTM_BLE_POLICY_UNKNOWN 0xff #define BTM_EXT_BLE_RMT_NAME_TIMEOUT 30 #define MIN_ADV_LENGTH 2 #define BTM_VSC_CHIP_CAPABILITY_RSP_LEN_L_RELEASE 9 static tBTM_BLE_VSC_CB cmn_ble_vsc_cb; #if BLE_VND_INCLUDED == TRUE static tBTM_BLE_CTRL_FEATURES_CBACK *p_ctrl_le_feature_rd_cmpl_cback = NULL; #endif tBTM_CallbackFunc conn_param_update_cb; /******************************************************************************* ** Local functions *******************************************************************************/ static void btm_ble_update_adv_flag(UINT8 flag); static void btm_ble_process_adv_pkt_cont(BD_ADDR bda, UINT8 addr_type, UINT8 evt_type, UINT8 *p); UINT8 *btm_ble_build_adv_data(tBTM_BLE_AD_MASK *p_data_mask, UINT8 **p_dst, tBTM_BLE_ADV_DATA *p_data); static UINT8 btm_set_conn_mode_adv_init_addr(tBTM_BLE_INQ_CB *p_cb, BD_ADDR_PTR p_peer_addr_ptr, tBLE_ADDR_TYPE *p_peer_addr_type, tBLE_ADDR_TYPE *p_own_addr_type); static void btm_ble_stop_observe(void); static void btm_ble_stop_discover(void); #define BTM_BLE_INQ_RESULT 0x01 #define BTM_BLE_OBS_RESULT 0x02 #define BTM_BLE_SEL_CONN_RESULT 0x04 #define BTM_BLE_DISCO_RESULT 0x08 /* LE states combo bit to check */ const UINT8 btm_le_state_combo_tbl[BTM_BLE_STATE_MAX][BTM_BLE_STATE_MAX][2] = { {/* single state support */ {HCI_SUPP_LE_STATES_CONN_ADV_MASK, HCI_SUPP_LE_STATES_CONN_ADV_OFF}, /* conn_adv */ {HCI_SUPP_LE_STATES_INIT_MASK, HCI_SUPP_LE_STATES_INIT_OFF}, /* init */ {HCI_SUPP_LE_STATES_INIT_MASK, HCI_SUPP_LE_STATES_INIT_OFF}, /* master */ {HCI_SUPP_LE_STATES_SLAVE_MASK, HCI_SUPP_LE_STATES_SLAVE_OFF}, /* slave */ {0, 0}, /* todo: lo du dir adv, not covered ? */ {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_OFF}, /* hi duty dir adv */ {HCI_SUPP_LE_STATES_NON_CONN_ADV_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_OFF}, /* non connectable adv */ {HCI_SUPP_LE_STATES_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_OFF}, /* passive scan */ {HCI_SUPP_LE_STATES_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_OFF}, /* active scan */ {HCI_SUPP_LE_STATES_SCAN_ADV_MASK, HCI_SUPP_LE_STATESSCAN_ADV_OFF} /* scanable adv */ }, { /* conn_adv =0 */ {0, 0}, /* conn_adv */ {HCI_SUPP_LE_STATES_CONN_ADV_INIT_MASK, HCI_SUPP_LE_STATES_CONN_ADV_INIT_OFF}, /* init: 32 */ {HCI_SUPP_LE_STATES_CONN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_CONN_ADV_MASTER_OFF}, /* master: 35 */ {HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_OFF}, /* slave: 38,*/ {0, 0}, /* lo du dir adv */ {0, 0}, /* hi duty dir adv */ {0, 0}, /* non connectable adv */ {HCI_SUPP_LE_STATES_CONN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_CONN_ADV_PASS_SCAN_OFF}, /* passive scan */ {HCI_SUPP_LE_STATES_CONN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_CONN_ADV_ACTIVE_SCAN_OFF}, /* active scan */ {0, 0} /* scanable adv */ }, { /* init */ {HCI_SUPP_LE_STATES_CONN_ADV_INIT_MASK, HCI_SUPP_LE_STATES_CONN_ADV_INIT_OFF}, /* conn_adv: 32 */ {0, 0}, /* init */ {HCI_SUPP_LE_STATES_INIT_MASTER_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_OFF}, /* master 28 */ {HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_OFF}, /* slave 41 */ {HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_INIT_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_INIT_OFF} ,/* lo du dir adv 34 */ {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_INIT_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_INIT_OFF}, /* hi duty dir adv 33 */ {HCI_SUPP_LE_STATES_NON_CONN_INIT_MASK, HCI_SUPP_LE_STATES_NON_CONN_INIT_OFF}, /* non connectable adv */ {HCI_SUPP_LE_STATES_PASS_SCAN_INIT_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_INIT_OFF}, /* passive scan */ {HCI_SUPP_LE_STATES_ACTIVE_SCAN_INIT_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_INIT_OFF}, /* active scan */ {HCI_SUPP_LE_STATES_SCAN_ADV_INIT_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_INIT_OFF} /* scanable adv */ }, { /* master */ {HCI_SUPP_LE_STATES_CONN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_CONN_ADV_MASTER_OFF}, /* conn_adv: 35 */ {HCI_SUPP_LE_STATES_INIT_MASTER_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_OFF}, /* init 28 */ {HCI_SUPP_LE_STATES_INIT_MASTER_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_OFF}, /* master 28 */ {HCI_SUPP_LE_STATES_CONN_ADV_INIT_MASK, HCI_SUPP_LE_STATES_CONN_ADV_INIT_OFF}, /* slave: 32 */ {HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_MASTER_OFF}, /* lo duty cycle adv 37 */ {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_MASTER_OFF}, /* hi duty cycle adv 36 */ {HCI_SUPP_LE_STATES_NON_CONN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_MASTER_OFF}, /* non connectable adv */ {HCI_SUPP_LE_STATES_PASS_SCAN_MASTER_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_MASTER_OFF}, /* passive scan */ {HCI_SUPP_LE_STATES_ACTIVE_SCAN_MASTER_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_MASTER_OFF}, /* active scan */ {HCI_SUPP_LE_STATES_SCAN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_MASTER_OFF} /* scanable adv */ }, { /* slave */ {HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_OFF}, /* conn_adv: 38,*/ {HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_OFF}, /* init 41 */ {HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_MASK, HCI_SUPP_LE_STATES_INIT_MASTER_SLAVE_OFF}, /* master 41 */ {HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_CONN_ADV_SLAVE_OFF}, /* slave: 38,*/ {HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_SLAVE_OFF}, /* lo duty cycle adv 40 */ {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_SLAVE_OFF}, /* hi duty cycle adv 39 */ {HCI_SUPP_LE_STATES_NON_CONN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_SLAVE_OFF}, /* non connectable adv */ {HCI_SUPP_LE_STATES_PASS_SCAN_SLAVE_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_SLAVE_OFF}, /* passive scan */ {HCI_SUPP_LE_STATES_ACTIVE_SCAN_SLAVE_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_SLAVE_OFF}, /* active scan */ {HCI_SUPP_LE_STATES_SCAN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_SLAVE_OFF} /* scanable adv */ }, { /* lo duty cycle adv */ {0, 0}, /* conn_adv: 38,*/ {HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_INIT_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_INIT_OFF} ,/* init 34 */ {HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_MASTER_OFF}, /* master 37 */ {HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_LO_DUTY_DIR_ADV_SLAVE_OFF}, /* slave: 40 */ {0, 0}, /* lo duty cycle adv 40 */ {0, 0}, /* hi duty cycle adv 39 */ {0, 0}, /* non connectable adv */ {0, 0}, /* TODO: passive scan, not covered? */ {0, 0}, /* TODO: active scan, not covered? */ {0, 0} /* scanable adv */ }, { /* hi duty cycle adv */ {0, 0}, /* conn_adv: 38,*/ {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_INIT_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_INIT_OFF}, /* init 33 */ {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_MASTER_OFF}, /* master 36 */ {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_SLAVE_OFF}, /* slave: 39*/ {0, 0}, /* lo duty cycle adv 40 */ {0, 0}, /* hi duty cycle adv 39 */ {0, 0}, /* non connectable adv */ {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_PASS_SCAN_OFF}, /* passive scan */ {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_ACTIVE_SCAN_OFF}, /* active scan */ {0, 0} /* scanable adv */ }, { /* non connectable adv */ {0, 0}, /* conn_adv: */ {HCI_SUPP_LE_STATES_NON_CONN_INIT_MASK, HCI_SUPP_LE_STATES_NON_CONN_INIT_OFF}, /* init */ {HCI_SUPP_LE_STATES_NON_CONN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_MASTER_OFF}, /* master */ {HCI_SUPP_LE_STATES_NON_CONN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_SLAVE_OFF}, /* slave: */ {0, 0}, /* lo duty cycle adv */ {0, 0}, /* hi duty cycle adv */ {0, 0}, /* non connectable adv */ {HCI_SUPP_LE_STATES_NON_CONN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_PASS_SCAN_OFF}, /* passive scan */ {HCI_SUPP_LE_STATES_NON_CONN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_ACTIVE_SCAN_OFF}, /* active scan */ {0, 0} /* scanable adv */ }, { /* passive scan */ {HCI_SUPP_LE_STATES_CONN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_CONN_ADV_PASS_SCAN_OFF}, /* conn_adv: */ {HCI_SUPP_LE_STATES_PASS_SCAN_INIT_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_INIT_OFF}, /* init */ {HCI_SUPP_LE_STATES_PASS_SCAN_MASTER_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_MASTER_OFF}, /* master */ {HCI_SUPP_LE_STATES_PASS_SCAN_SLAVE_MASK, HCI_SUPP_LE_STATES_PASS_SCAN_SLAVE_OFF}, /* slave: */ {0, 0}, /* lo duty cycle adv */ {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_PASS_SCAN_OFF}, /* hi duty cycle adv */ {HCI_SUPP_LE_STATES_NON_CONN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_PASS_SCAN_OFF}, /* non connectable adv */ {0, 0}, /* passive scan */ {0, 0}, /* active scan */ {HCI_SUPP_LE_STATES_SCAN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_PASS_SCAN_OFF} /* scanable adv */ }, { /* active scan */ {HCI_SUPP_LE_STATES_CONN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_CONN_ADV_ACTIVE_SCAN_OFF}, /* conn_adv: */ {HCI_SUPP_LE_STATES_ACTIVE_SCAN_INIT_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_INIT_OFF}, /* init */ {HCI_SUPP_LE_STATES_ACTIVE_SCAN_MASTER_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_MASTER_OFF}, /* master */ {HCI_SUPP_LE_STATES_ACTIVE_SCAN_SLAVE_MASK, HCI_SUPP_LE_STATES_ACTIVE_SCAN_SLAVE_OFF}, /* slave: */ {0, 0}, /* lo duty cycle adv */ {HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_HI_DUTY_DIR_ADV_ACTIVE_SCAN_OFF}, /* hi duty cycle adv */ {HCI_SUPP_LE_STATES_NON_CONN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_NON_CONN_ADV_ACTIVE_SCAN_OFF}, /* non connectable adv */ {0, 0}, /* TODO: passive scan */ {0, 0}, /* TODO: active scan */ {HCI_SUPP_LE_STATES_SCAN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_ACTIVE_SCAN_OFF} /* scanable adv */ }, { /* scanable adv */ {0, 0}, /* conn_adv: */ {HCI_SUPP_LE_STATES_SCAN_ADV_INIT_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_INIT_OFF}, /* init */ {HCI_SUPP_LE_STATES_SCAN_ADV_MASTER_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_MASTER_OFF}, /* master */ {HCI_SUPP_LE_STATES_SCAN_ADV_SLAVE_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_SLAVE_OFF}, /* slave: */ {0, 0}, /* lo duty cycle adv */ {0, 0}, /* hi duty cycle adv */ {0, 0}, /* non connectable adv */ {HCI_SUPP_LE_STATES_SCAN_ADV_PASS_SCAN_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_PASS_SCAN_OFF}, /* passive scan */ {HCI_SUPP_LE_STATES_SCAN_ADV_ACTIVE_SCAN_MASK, HCI_SUPP_LE_STATES_SCAN_ADV_ACTIVE_SCAN_OFF}, /* active scan */ {0, 0} /* scanable adv */ } }; /* check LE combo state supported */ #define BTM_LE_STATES_SUPPORTED(x, y, z) ((x)[(z)] & (y)) /******************************************************************************* ** ** Function BTM_BleRegiseterConnParamCallback ** ** Description register connection parameters update callback func ** ** Returns void ** *******************************************************************************/ void BTM_BleRegiseterConnParamCallback(tBTM_UPDATE_CONN_PARAM_CBACK *update_conn_param_cb) { conn_param_update_cb.update_conn_param_cb = update_conn_param_cb; } /******************************************************************************* ** ** Function BTM_BleUpdateAdvWhitelist ** ** Description Add or remove device from advertising white list ** ** Returns void ** *******************************************************************************/ BOOLEAN BTM_BleUpdateAdvWhitelist(BOOLEAN add_remove, BD_ADDR remote_bda, tBTM_ADD_WHITELIST_CBACK *add_wl_cb) { return btm_update_dev_to_white_list(add_remove, remote_bda, add_wl_cb); } /******************************************************************************* ** ** Function BTM_BleUpdateAdvFilterPolicy ** ** Description This function update the filter policy of advertiser. ** ** Parameter adv_policy: advertising filter policy ** ** Return void *******************************************************************************/ void BTM_BleUpdateAdvFilterPolicy(tBTM_BLE_AFP adv_policy) { tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var; tBLE_ADDR_TYPE init_addr_type = BLE_ADDR_PUBLIC; BD_ADDR p_addr_ptr = {0}; UINT8 adv_mode = p_cb->adv_mode; BTM_TRACE_EVENT ("BTM_BleUpdateAdvFilterPolicy\n"); if (!controller_get_interface()->supports_ble()) { return; } if (p_cb->afp != adv_policy) { p_cb->afp = adv_policy; /* if adv active, stop and restart */ btm_ble_stop_adv (); if (p_cb->connectable_mode & BTM_BLE_CONNECTABLE) p_cb->evt_type = btm_set_conn_mode_adv_init_addr(p_cb, p_addr_ptr, &init_addr_type, &p_cb->adv_addr_type); btsnd_hcic_ble_write_adv_params ((UINT16)(p_cb->adv_interval_min ? p_cb->adv_interval_min : BTM_BLE_GAP_ADV_SLOW_INT), (UINT16)(p_cb->adv_interval_max ? p_cb->adv_interval_max : BTM_BLE_GAP_ADV_SLOW_INT), p_cb->evt_type, p_cb->adv_addr_type, init_addr_type, p_addr_ptr, p_cb->adv_chnl_map, p_cb->afp); if (adv_mode == BTM_BLE_ADV_ENABLE) { btm_ble_start_adv (); } } } /******************************************************************************* ** ** Function btm_ble_send_extended_scan_params ** ** Description This function sends out the extended scan parameters command to the controller ** ** Parameters scan_type - Scan type ** scan_int - Scan interval ** scan_win - Scan window ** addr_type_own - Own address type ** scan_filter_policy - Scan filter policy ** ** Returns TRUE or FALSE ** *******************************************************************************/ BOOLEAN btm_ble_send_extended_scan_params(UINT8 scan_type, UINT32 scan_int, UINT32 scan_win, UINT8 addr_type_own, UINT8 scan_filter_policy) { UINT8 scan_param[HCIC_PARAM_SIZE_BLE_WRITE_EXTENDED_SCAN_PARAM]; UINT8 *pp_scan = scan_param; memset(scan_param, 0, HCIC_PARAM_SIZE_BLE_WRITE_EXTENDED_SCAN_PARAM); UINT8_TO_STREAM(pp_scan, scan_type); UINT32_TO_STREAM(pp_scan, scan_int); UINT32_TO_STREAM(pp_scan, scan_win); UINT8_TO_STREAM(pp_scan, addr_type_own); UINT8_TO_STREAM(pp_scan, scan_filter_policy); BTM_TRACE_DEBUG("%s, %d, %d", __func__, scan_int, scan_win); if ((BTM_VendorSpecificCommand(HCI_BLE_EXTENDED_SCAN_PARAMS_OCF, HCIC_PARAM_SIZE_BLE_WRITE_EXTENDED_SCAN_PARAM, scan_param, NULL)) != BTM_SUCCESS) { BTM_TRACE_ERROR("%s error sending extended scan parameters", __func__); return FALSE; } return TRUE; } /******************************************************************************* ** ** Function BTM_BleObserve ** ** Description This procedure keep the device listening for advertising ** events from a broadcast device. ** ** Parameters start: start or stop observe. ** white_list: use white list in observer mode or not. ** ** Returns void ** *******************************************************************************/ tBTM_STATUS BTM_BleObserve(BOOLEAN start, UINT32 duration, tBTM_INQ_RESULTS_CB *p_results_cb, tBTM_CMPL_CB *p_cmpl_cb) { tBTM_BLE_INQ_CB *p_inq = &btm_cb.ble_ctr_cb.inq_var; tBTM_STATUS status = BTM_WRONG_MODE; UINT32 scan_interval = !p_inq->scan_interval ? BTM_BLE_GAP_DISC_SCAN_INT : p_inq->scan_interval; UINT32 scan_window = !p_inq->scan_window ? BTM_BLE_GAP_DISC_SCAN_WIN : p_inq->scan_window; BTM_TRACE_EVENT ("%s : scan_type:%d, %d, %d\n", __func__, btm_cb.btm_inq_vars.scan_type, p_inq->scan_interval, p_inq->scan_window); if (!controller_get_interface()->supports_ble()) { return BTM_ILLEGAL_VALUE; } if (start) { /* shared inquiry database, do not allow observe if any inquiry is active */ if (BTM_BLE_IS_OBS_ACTIVE(btm_cb.ble_ctr_cb.scan_activity)) { BTM_TRACE_ERROR("%s Observe Already Active", __func__); return status; } btm_cb.ble_ctr_cb.p_obs_results_cb = p_results_cb; btm_cb.ble_ctr_cb.p_obs_cmpl_cb = p_cmpl_cb; status = BTM_CMD_STARTED; /* scan is not started */ if (!BTM_BLE_IS_SCAN_ACTIVE(btm_cb.ble_ctr_cb.scan_activity)) { /* allow config of scan type */ p_inq->scan_type = (p_inq->scan_type == BTM_BLE_SCAN_MODE_NONE) ? BTM_BLE_SCAN_MODE_ACTI : p_inq->scan_type; /* assume observe always not using white list */ #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE) /* enable resolving list */ btm_ble_enable_resolving_list_for_platform(BTM_BLE_RL_SCAN); #endif if (cmn_ble_vsc_cb.extended_scan_support == 0) { btsnd_hcic_ble_set_scan_params(p_inq->scan_type, (UINT16)scan_interval, (UINT16)scan_window, btm_cb.ble_ctr_cb.addr_mgnt_cb.own_addr_type, BTM_BLE_DEFAULT_SFP); } else { btm_ble_send_extended_scan_params(p_inq->scan_type, scan_interval, scan_window, btm_cb.ble_ctr_cb.addr_mgnt_cb.own_addr_type, BTM_BLE_DEFAULT_SFP); } p_inq->scan_duplicate_filter = BTM_BLE_DUPLICATE_DISABLE; status = btm_ble_start_scan(); } if (status == BTM_CMD_STARTED) { btm_cb.ble_ctr_cb.scan_activity |= BTM_LE_OBSERVE_ACTIVE; if (duration != 0) /* start observer timer */ { btu_start_timer (&btm_cb.ble_ctr_cb.obs_timer_ent, BTU_TTYPE_BLE_OBSERVE, duration); } } } else if (BTM_BLE_IS_OBS_ACTIVE(btm_cb.ble_ctr_cb.scan_activity)) { status = BTM_CMD_STARTED; btm_ble_stop_observe(); } else { BTM_TRACE_ERROR("%s Observe not active\n", __func__); } return status; } /******************************************************************************* ** ** Function BTM_BleScan ** ** Description This procedure keep the device listening for advertising ** events from a broadcast device. ** ** Parameters start: start or stop scan. ** white_list: use white list in observer mode or not. ** ** Returns void ** *******************************************************************************/ tBTM_STATUS BTM_BleScan(BOOLEAN start, UINT32 duration, tBTM_INQ_RESULTS_CB *p_results_cb, tBTM_CMPL_CB *p_cmpl_cb) { tBTM_BLE_INQ_CB *p_inq = &btm_cb.ble_ctr_cb.inq_var; tBTM_STATUS status = BTM_WRONG_MODE; if (!controller_get_interface()->supports_ble()) { return BTM_ILLEGAL_VALUE; } if (start) { /* shared inquiry database, do not allow scan if any inquiry is active */ if (BTM_BLE_IS_DISCO_ACTIVE(btm_cb.ble_ctr_cb.scan_activity)) { BTM_TRACE_ERROR("%s scan already active", __func__); return status; } btm_cb.ble_ctr_cb.p_scan_results_cb = p_results_cb; btm_cb.ble_ctr_cb.p_scan_cmpl_cb = p_cmpl_cb; status = BTM_CMD_STARTED; /* scan is not started */ if (!BTM_BLE_IS_SCAN_ACTIVE(btm_cb.ble_ctr_cb.scan_activity)) { /* assume observe always not using white list */ #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE) /* enable resolving list */ btm_ble_enable_resolving_list_for_platform(BTM_BLE_RL_SCAN); #endif p_inq->scan_duplicate_filter = BTM_BLE_DUPLICATE_DISABLE; status = btm_ble_start_scan(); } if (status == BTM_CMD_STARTED) { btm_cb.ble_ctr_cb.scan_activity |= BTM_LE_DISCOVER_ACTIVE; if (duration != 0) /* start observer timer */ { btu_start_timer (&btm_cb.ble_ctr_cb.scan_timer_ent, BTU_TTYPE_BLE_SCAN, duration); } } } else if (BTM_BLE_IS_DISCO_ACTIVE(btm_cb.ble_ctr_cb.scan_activity)) { status = BTM_CMD_STARTED; btm_ble_stop_discover(); } else { BTM_TRACE_ERROR("%s scan not active\n", __func__); } return status; } /******************************************************************************* ** ** Function BTM_BleBroadcast ** ** Description This function is to start or stop broadcasting. ** ** Parameters start: start or stop broadcasting. ** ** Returns status. ** *******************************************************************************/ tBTM_STATUS BTM_BleBroadcast(BOOLEAN start) { tBTM_STATUS status = BTM_NO_RESOURCES; tBTM_LE_RANDOM_CB *p_addr_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb; tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var; UINT8 evt_type = p_cb->scan_rsp ? BTM_BLE_DISCOVER_EVT : BTM_BLE_NON_CONNECT_EVT; if (!controller_get_interface()->supports_ble()) { return BTM_ILLEGAL_VALUE; } #ifdef BTM_BLE_PC_ADV_TEST_MODE if (BTM_BLE_PC_ADV_TEST_MODE) { evt_type = p_cb->scan_rsp ? BTM_BLE_CONNECT_EVT : BTM_BLE_NON_CONNECT_EVT; } #endif if (start && p_cb->adv_mode == BTM_BLE_ADV_DISABLE) { /* update adv params */ if (!btsnd_hcic_ble_write_adv_params ((UINT16)(p_cb->adv_interval_min ? p_cb->adv_interval_min : BTM_BLE_GAP_ADV_INT), (UINT16)(p_cb->adv_interval_max ? p_cb->adv_interval_max : BTM_BLE_GAP_ADV_INT), evt_type, p_addr_cb->own_addr_type, p_cb->direct_bda.type, p_cb->direct_bda.bda, p_cb->adv_chnl_map, p_cb->afp)) { status = BTM_NO_RESOURCES; } else { p_cb->evt_type = evt_type; } status = btm_ble_start_adv (); } else if (!start) { status = btm_ble_stop_adv(); #if BLE_PRIVACY_SPT == TRUE btm_ble_disable_resolving_list(BTM_BLE_RL_ADV, TRUE); #endif } else { status = BTM_WRONG_MODE; BTM_TRACE_ERROR("Can not %s Broadcast, device %s in Broadcast mode", (start ? "Start" : "Stop"), (start ? "already" : "not")); } return status; } #if BLE_VND_INCLUDED == TRUE /******************************************************************************* ** ** Function btm_vsc_brcm_features_complete ** ** Description Command Complete callback for HCI_BLE_VENDOR_CAP_OCF ** ** Returns void ** *******************************************************************************/ static void btm_ble_vendor_capability_vsc_cmpl_cback (tBTM_VSC_CMPL *p_vcs_cplt_params) { UINT8 status = 0xFF; UINT8 *p; BTM_TRACE_DEBUG("%s", __func__); /* Check status of command complete event */ if ((p_vcs_cplt_params->opcode == HCI_BLE_VENDOR_CAP_OCF) && (p_vcs_cplt_params->param_len > 0)) { p = p_vcs_cplt_params->p_param_buf; STREAM_TO_UINT8(status, p); } if (status == HCI_SUCCESS) { STREAM_TO_UINT8(btm_cb.cmn_ble_vsc_cb.adv_inst_max, p); STREAM_TO_UINT8(btm_cb.cmn_ble_vsc_cb.rpa_offloading, p); STREAM_TO_UINT16(btm_cb.cmn_ble_vsc_cb.tot_scan_results_strg, p); STREAM_TO_UINT8(btm_cb.cmn_ble_vsc_cb.max_irk_list_sz, p); STREAM_TO_UINT8(btm_cb.cmn_ble_vsc_cb.filter_support, p); STREAM_TO_UINT8(btm_cb.cmn_ble_vsc_cb.max_filter, p); STREAM_TO_UINT8(btm_cb.cmn_ble_vsc_cb.energy_support, p); if (p_vcs_cplt_params->param_len > BTM_VSC_CHIP_CAPABILITY_RSP_LEN_L_RELEASE) { STREAM_TO_UINT16(btm_cb.cmn_ble_vsc_cb.version_supported, p); } else { btm_cb.cmn_ble_vsc_cb.version_supported = BTM_VSC_CHIP_CAPABILITY_L_VERSION; } if (btm_cb.cmn_ble_vsc_cb.version_supported >= BTM_VSC_CHIP_CAPABILITY_M_VERSION) { STREAM_TO_UINT16(btm_cb.cmn_ble_vsc_cb.total_trackable_advertisers, p); STREAM_TO_UINT16(btm_cb.cmn_ble_vsc_cb.extended_scan_support, p); STREAM_TO_UINT16(btm_cb.cmn_ble_vsc_cb.debug_logging_supported, p); } btm_cb.cmn_ble_vsc_cb.values_read = TRUE; } BTM_TRACE_DEBUG("%s: stat=%d, irk=%d, ADV ins:%d, rpa=%d, ener=%d, ext_scan=%d", __func__, status, btm_cb.cmn_ble_vsc_cb.max_irk_list_sz, btm_cb.cmn_ble_vsc_cb.adv_inst_max, btm_cb.cmn_ble_vsc_cb.rpa_offloading, btm_cb.cmn_ble_vsc_cb.energy_support, btm_cb.cmn_ble_vsc_cb.extended_scan_support); if (BTM_BleMaxMultiAdvInstanceCount() > 0) { btm_ble_multi_adv_init(); } if (btm_cb.cmn_ble_vsc_cb.max_filter > 0) { btm_ble_adv_filter_init(); } #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE) /* VS capability included and non-4.2 device */ if (btm_cb.cmn_ble_vsc_cb.max_irk_list_sz > 0 && controller_get_interface()->get_ble_resolving_list_max_size() == 0) { btm_ble_resolving_list_init(btm_cb.cmn_ble_vsc_cb.max_irk_list_sz); } #endif if (btm_cb.cmn_ble_vsc_cb.tot_scan_results_strg > 0) { btm_ble_batchscan_init(); } if (p_ctrl_le_feature_rd_cmpl_cback != NULL) { p_ctrl_le_feature_rd_cmpl_cback(status); } } #endif /******************************************************************************* ** ** Function BTM_BleGetVendorCapabilities ** ** Description This function reads local LE features ** ** Parameters p_cmn_vsc_cb : Locala LE capability structure ** ** Returns void ** *******************************************************************************/ extern void BTM_BleGetVendorCapabilities(tBTM_BLE_VSC_CB *p_cmn_vsc_cb) { BTM_TRACE_DEBUG("BTM_BleGetVendorCapabilities"); if (NULL != p_cmn_vsc_cb) { *p_cmn_vsc_cb = btm_cb.cmn_ble_vsc_cb; } } /****************************************************************************** ** ** Function BTM_BleReadControllerFeatures ** ** Description Reads BLE specific controller features ** ** Parameters: tBTM_BLE_CTRL_FEATURES_CBACK : Callback to notify when features are read ** ** Returns void ** *******************************************************************************/ extern void BTM_BleReadControllerFeatures(tBTM_BLE_CTRL_FEATURES_CBACK *p_vsc_cback) { if (TRUE == btm_cb.cmn_ble_vsc_cb.values_read) { return; } #if BLE_VND_INCLUDED == TRUE BTM_TRACE_DEBUG("BTM_BleReadControllerFeatures"); p_ctrl_le_feature_rd_cmpl_cback = p_vsc_cback; if ( BTM_VendorSpecificCommand (HCI_BLE_VENDOR_CAP_OCF, 0, NULL, btm_ble_vendor_capability_vsc_cmpl_cback) != BTM_CMD_STARTED) { BTM_TRACE_ERROR("LE Get_Vendor Capabilities Command Failed."); } #else UNUSED(p_vsc_cback); #endif return ; } /******************************************************************************* ** ** Function BTM_BleEnableMixedPrivacyMode ** ** Description This function is called to enabled Mixed mode if privacy 1.2 ** is applicable in controller. ** ** Parameters mixed_on: mixed mode to be used or not. ** ** Returns void ** *******************************************************************************/ void BTM_BleEnableMixedPrivacyMode(BOOLEAN mixed_on) { #if BLE_PRIVACY_SPT == TRUE btm_cb.ble_ctr_cb.mixed_mode = mixed_on; /* TODO: send VSC to enabled mixed mode */ #endif } /******************************************************************************* ** ** Function BTM_BleConfigPrivacy ** ** Description This function is called to enable or disable the privacy in ** LE channel of the local device. ** ** Parameters privacy_mode: privacy mode on or off. ** ** Returns BOOLEAN privacy mode set success; otherwise failed. ** *******************************************************************************/ BOOLEAN BTM_BleConfigPrivacy(BOOLEAN privacy_mode, tBTM_SET_LOCAL_PRIVACY_CBACK *set_local_privacy_cback) { #if BLE_PRIVACY_SPT == TRUE tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb; tBTM_LE_RANDOM_CB *random_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb; if (random_cb){ random_cb->set_local_privacy_cback = set_local_privacy_cback; }else{ BTM_TRACE_ERROR("%s,random_cb = NULL", __func__); } BTM_TRACE_EVENT ("%s\n", __func__); /* if LE is not supported, return error */ if (!controller_get_interface()->supports_ble()) { return FALSE; } #if (defined(GAP_INCLUDED) && GAP_INCLUDED == TRUE && GATTS_INCLUDED == TRUE) uint8_t addr_resolution = 0; #endif /* defined(GAP_INCLUDED) && GAP_INCLUDED == TRUE && GATTS_INCLUDED == TRUE */ if (!privacy_mode) { /* if privacy disabled, always use public address */ p_cb->addr_mgnt_cb.own_addr_type = BLE_ADDR_PUBLIC; p_cb->privacy_mode = BTM_PRIVACY_NONE; if (random_cb && random_cb->set_local_privacy_cback){ (*random_cb->set_local_privacy_cback)(BTM_SET_PRIVACY_SUCCESS); random_cb->set_local_privacy_cback = NULL; } } else { /* privacy is turned on*/ /* always set host random address, used when privacy 1.1 or priavcy 1.2 is disabled */ p_cb->addr_mgnt_cb.own_addr_type = BLE_ADDR_RANDOM; btm_gen_resolvable_private_addr((void *)btm_gen_resolve_paddr_low); if (BTM_BleMaxMultiAdvInstanceCount() > 0) { btm_ble_multi_adv_enb_privacy(privacy_mode); } /* 4.2 controller only allow privacy 1.2 or mixed mode, resolvable private address in controller */ if (controller_get_interface()->supports_ble_privacy()) { #if (defined(GAP_INCLUDED) && GAP_INCLUDED == TRUE && GATTS_INCLUDED == TRUE) addr_resolution = 1; #endif /* defined(GAP_INCLUDED) && GAP_INCLUDED == TRUE && GATTS_INCLUDED == TRUE */ /* check vendor specific capability */ p_cb->privacy_mode = btm_cb.ble_ctr_cb.mixed_mode ? BTM_PRIVACY_MIXED : BTM_PRIVACY_1_2; } else { /* 4.1/4.0 controller */ p_cb->privacy_mode = BTM_PRIVACY_1_1; } } #if (defined(GAP_INCLUDED) && GAP_INCLUDED == TRUE && GATTS_INCLUDED == TRUE) GAP_BleAttrDBUpdate (GATT_UUID_GAP_CENTRAL_ADDR_RESOL, (tGAP_BLE_ATTR_VALUE *)&addr_resolution); #endif return TRUE; #else return FALSE; #endif } /******************************************************************************* ** ** Function BTM_BleMaxMultiAdvInstanceCount ** ** Description Returns max number of multi adv instances supported by controller ** ** Returns Max multi adv instance count ** *******************************************************************************/ extern UINT8 BTM_BleMaxMultiAdvInstanceCount(void) { return btm_cb.cmn_ble_vsc_cb.adv_inst_max < BTM_BLE_MULTI_ADV_MAX ? btm_cb.cmn_ble_vsc_cb.adv_inst_max : BTM_BLE_MULTI_ADV_MAX; } #if BLE_PRIVACY_SPT == TRUE /******************************************************************************* ** ** Function btm_ble_resolve_random_addr_on_adv ** ** Description resolve random address complete callback. ** ** Returns void ** *******************************************************************************/ static void btm_ble_resolve_random_addr_on_adv(void *p_rec, void *p) { tBTM_SEC_DEV_REC *match_rec = (tBTM_SEC_DEV_REC *) p_rec; UINT8 addr_type = BLE_ADDR_RANDOM; BD_ADDR bda; UINT8 *pp = (UINT8 *)p + 1; UINT8 evt_type; BTM_TRACE_EVENT ("btm_ble_resolve_random_addr_on_adv "); STREAM_TO_UINT8 (evt_type, pp); STREAM_TO_UINT8 (addr_type, pp); STREAM_TO_BDADDR (bda, pp); if (match_rec) { BTM_TRACE_DEBUG("Random match"); match_rec->ble.active_addr_type = BTM_BLE_ADDR_RRA; memcpy(match_rec->ble.cur_rand_addr, bda, BD_ADDR_LEN); if (btm_ble_init_pseudo_addr(match_rec, bda)) { memcpy(bda, match_rec->bd_addr, BD_ADDR_LEN); } else { // Assign the original address to be the current report address memcpy(bda, match_rec->ble.pseudo_addr, BD_ADDR_LEN); } } btm_ble_process_adv_pkt_cont(bda, addr_type, evt_type, pp); return; } #endif /******************************************************************************* ** ** Function BTM_BleLocalPrivacyEnabled ** ** Description Checks if local device supports private address ** ** Returns Return TRUE if local privacy is enabled else FALSE ** *******************************************************************************/ BOOLEAN BTM_BleLocalPrivacyEnabled(void) { #if BLE_PRIVACY_SPT == TRUE return (btm_cb.ble_ctr_cb.privacy_mode != BTM_PRIVACY_NONE); #else return false; #endif } /******************************************************************************* ** ** Function BTM_BleSetBgConnType ** ** Description This function is called to set BLE connectable mode for a ** peripheral device. ** ** Parameters bg_conn_type: it can be auto connection, or selective connection. ** p_select_cback: callback function when selective connection procedure ** is being used. ** ** Returns void ** *******************************************************************************/ BOOLEAN BTM_BleSetBgConnType(tBTM_BLE_CONN_TYPE bg_conn_type, tBTM_BLE_SEL_CBACK *p_select_cback) { BOOLEAN started = TRUE; BTM_TRACE_EVENT ("BTM_BleSetBgConnType "); if (!controller_get_interface()->supports_ble()) { return FALSE; } if (btm_cb.ble_ctr_cb.bg_conn_type != bg_conn_type) { switch (bg_conn_type) { case BTM_BLE_CONN_AUTO: btm_ble_start_auto_conn(TRUE); break; case BTM_BLE_CONN_SELECTIVE: if (btm_cb.ble_ctr_cb.bg_conn_type == BTM_BLE_CONN_AUTO) { btm_ble_start_auto_conn(FALSE); } btm_ble_start_select_conn(TRUE, p_select_cback); break; case BTM_BLE_CONN_NONE: if (btm_cb.ble_ctr_cb.bg_conn_type == BTM_BLE_CONN_AUTO) { btm_ble_start_auto_conn(FALSE); } else if (btm_cb.ble_ctr_cb.bg_conn_type == BTM_BLE_CONN_SELECTIVE) { btm_ble_start_select_conn(FALSE, NULL); } started = TRUE; break; default: BTM_TRACE_ERROR("invalid bg connection type : %d ", bg_conn_type); started = FALSE; break; } if (started) { btm_cb.ble_ctr_cb.bg_conn_type = bg_conn_type; } } return started; } /******************************************************************************* ** ** Function BTM_BleClearBgConnDev ** ** Description This function is called to clear the whitelist, ** end any pending whitelist connections, * and reset the local bg device list. ** ** Parameters void ** ** Returns void ** *******************************************************************************/ void BTM_BleClearBgConnDev(void) { btm_ble_start_auto_conn(FALSE); btm_ble_clear_white_list(); gatt_reset_bgdev_list(); } /******************************************************************************* ** ** Function BTM_BleUpdateBgConnDev ** ** Description This function is called to add or remove a device into/from ** background connection procedure. The background connection * procedure is decided by the background connection type, it can be * auto connection, or selective connection. ** ** Parameters add_remove: TRUE to add; FALSE to remove. ** remote_bda: device address to add/remove. ** ** Returns void ** *******************************************************************************/ BOOLEAN BTM_BleUpdateBgConnDev(BOOLEAN add_remove, BD_ADDR remote_bda) { BTM_TRACE_EVENT("%s() add=%d", __func__, add_remove); return btm_update_dev_to_white_list(add_remove, remote_bda, NULL); } /******************************************************************************* ** ** Function BTM_BleSetConnectableMode ** ** Description This function is called to set BLE connectable mode for a ** peripheral device. ** ** Parameters conn_mode: directed connectable mode, or non-directed.It can ** be BTM_BLE_CONNECT_EVT, BTM_BLE_CONNECT_DIR_EVT or ** BTM_BLE_CONNECT_LO_DUTY_DIR_EVT ** ** Returns BTM_ILLEGAL_VALUE if controller does not support BLE. ** BTM_SUCCESS is status set successfully; otherwise failure. ** *******************************************************************************/ tBTM_STATUS BTM_BleSetConnectableMode(tBTM_BLE_CONN_MODE connectable_mode) { tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var; BTM_TRACE_EVENT ("%s connectable_mode = %d ", __func__, connectable_mode); if (!controller_get_interface()->supports_ble()) { return BTM_ILLEGAL_VALUE; } p_cb->directed_conn = connectable_mode; return btm_ble_set_connectability( p_cb->connectable_mode); } /******************************************************************************* ** ** Function btm_set_conn_mode_adv_init_addr ** ** Description set initator address type and local address type based on adv ** mode. ** ** *******************************************************************************/ static UINT8 btm_set_conn_mode_adv_init_addr(tBTM_BLE_INQ_CB *p_cb, BD_ADDR_PTR p_peer_addr_ptr, tBLE_ADDR_TYPE *p_peer_addr_type, tBLE_ADDR_TYPE *p_own_addr_type) { UINT8 evt_type; #if BLE_PRIVACY_SPT == TRUE UINT8 i = BTM_SEC_MAX_DEVICE_RECORDS; tBTM_SEC_DEV_REC *p_dev_rec; #endif ///BLE_PRIVACY_SPT == TRUE evt_type = (p_cb->connectable_mode == BTM_BLE_NON_CONNECTABLE) ? \ ((p_cb->scan_rsp) ? BTM_BLE_DISCOVER_EVT : BTM_BLE_NON_CONNECT_EVT )\ : BTM_BLE_CONNECT_EVT; if (evt_type == BTM_BLE_CONNECT_EVT) { evt_type = p_cb->directed_conn; if ( p_cb->directed_conn == BTM_BLE_CONNECT_DIR_EVT || p_cb->directed_conn == BTM_BLE_CONNECT_LO_DUTY_DIR_EVT) { #if BLE_PRIVACY_SPT == TRUE /* for privacy 1.2, convert peer address as static, own address set as ID addr */ if (btm_cb.ble_ctr_cb.privacy_mode == BTM_PRIVACY_1_2 || btm_cb.ble_ctr_cb.privacy_mode == BTM_PRIVACY_MIXED) { /* only do so for bonded device */ if ((p_dev_rec = btm_find_or_alloc_dev (p_cb->direct_bda.bda)) != NULL && p_dev_rec->ble.in_controller_list & BTM_RESOLVING_LIST_BIT) { btm_ble_enable_resolving_list(BTM_BLE_RL_ADV); memcpy(p_peer_addr_ptr, p_dev_rec->ble.static_addr, BD_ADDR_LEN); *p_peer_addr_type = p_dev_rec->ble.static_addr_type; *p_own_addr_type = BLE_ADDR_RANDOM_ID; return evt_type; } /* otherwise fall though as normal directed adv */ else { btm_ble_disable_resolving_list(BTM_BLE_RL_ADV, TRUE); } } #endif /* direct adv mode does not have privacy, if privacy is not enabled */ *p_peer_addr_type = p_cb->direct_bda.type; memcpy(p_peer_addr_ptr, p_cb->direct_bda.bda, BD_ADDR_LEN); return evt_type; } } /* undirect adv mode or non-connectable mode*/ #if BLE_PRIVACY_SPT == TRUE /* when privacy 1.2 privacy only mode is used, or mixed mode */ if ((btm_cb.ble_ctr_cb.privacy_mode == BTM_PRIVACY_1_2 && p_cb->afp != AP_SCAN_CONN_ALL) || btm_cb.ble_ctr_cb.privacy_mode == BTM_PRIVACY_MIXED) { /* if enhanced privacy is required, set Identity address and matching IRK peer */ for (i = 0; i < BTM_SEC_MAX_DEVICE_RECORDS; i ++) { if ((btm_cb.sec_dev_rec[i].sec_flags & BTM_SEC_IN_USE) != 0 && (btm_cb.sec_dev_rec[i].ble.in_controller_list & BTM_RESOLVING_LIST_BIT) != 0) { memcpy(p_peer_addr_ptr, btm_cb.sec_dev_rec[i].ble.static_addr, BD_ADDR_LEN); *p_peer_addr_type = btm_cb.sec_dev_rec[i].ble.static_addr_type; break; } } if (i != BTM_SEC_MAX_DEVICE_RECORDS) { *p_own_addr_type = BLE_ADDR_RANDOM_ID; } else /* resolving list is empty, not enabled */ { *p_own_addr_type = BLE_ADDR_RANDOM; } } /* privacy 1.1, or privacy 1.2, general discoverable/connectable mode, disable privacy in */ /* controller fall back to host based privacy */ else if (btm_cb.ble_ctr_cb.privacy_mode != BTM_PRIVACY_NONE) { *p_own_addr_type = BLE_ADDR_RANDOM; } #endif /* if no privacy,do not set any peer address,*/ /* local address type go by global privacy setting */ return evt_type; } /******************************************************************************* ** ** Function BTM_BleSetAdvParams ** ** Description This function is called to set advertising parameters. ** ** Parameters adv_int_min: minimum advertising interval ** adv_int_max: maximum advertising interval ** p_dir_bda: connectable direct initiator's LE device address ** chnl_map: advertising channel map. ** ** Returns void ** *******************************************************************************/ tBTM_STATUS BTM_BleSetAdvParams(UINT16 adv_int_min, UINT16 adv_int_max, tBLE_BD_ADDR *p_dir_bda, tBTM_BLE_ADV_CHNL_MAP chnl_map) { tBTM_LE_RANDOM_CB *p_addr_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb; tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var; tBTM_STATUS status = BTM_SUCCESS; BD_ADDR p_addr_ptr = {0}; tBLE_ADDR_TYPE init_addr_type = BLE_ADDR_PUBLIC; tBLE_ADDR_TYPE own_addr_type = p_addr_cb->own_addr_type; UINT8 adv_mode = p_cb->adv_mode; BTM_TRACE_EVENT ("BTM_BleSetAdvParams"); if (!controller_get_interface()->supports_ble()) { return BTM_ILLEGAL_VALUE; } if (!BTM_BLE_ISVALID_PARAM(adv_int_min, BTM_BLE_ADV_INT_MIN, BTM_BLE_ADV_INT_MAX) || !BTM_BLE_ISVALID_PARAM(adv_int_max, BTM_BLE_ADV_INT_MIN, BTM_BLE_ADV_INT_MAX)) { return BTM_ILLEGAL_VALUE; } p_cb->adv_interval_min = adv_int_min; p_cb->adv_interval_max = adv_int_max; p_cb->adv_chnl_map = chnl_map; if (p_dir_bda) { memcpy(&p_cb->direct_bda, p_dir_bda, sizeof(tBLE_BD_ADDR)); } BTM_TRACE_EVENT ("update params for an active adv\n"); btm_ble_stop_adv(); p_cb->evt_type = btm_set_conn_mode_adv_init_addr(p_cb, p_addr_ptr, &init_addr_type, &own_addr_type); /* update adv params */ btsnd_hcic_ble_write_adv_params (p_cb->adv_interval_min, p_cb->adv_interval_max, p_cb->evt_type, own_addr_type, init_addr_type, p_addr_ptr, p_cb->adv_chnl_map, p_cb->afp); if (adv_mode == BTM_BLE_ADV_ENABLE) { btm_ble_start_adv(); } return status; } /******************************************************************************* ** ** Function BTM_BleSetAdvParamsStartAdv ** ** Description This function is called to set all of the advertising parameters. ** ** Parameters: None. ** ** Returns void ** *******************************************************************************/ tBTM_STATUS BTM_BleSetAdvParamsStartAdv(UINT16 adv_int_min, UINT16 adv_int_max, UINT8 adv_type, tBLE_ADDR_TYPE own_bda_type, tBLE_BD_ADDR *p_dir_bda, tBTM_BLE_ADV_CHNL_MAP chnl_map, tBTM_BLE_AFP afp) { tBTM_LE_RANDOM_CB *p_addr_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb; tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var; BTM_TRACE_EVENT ("BTM_BleSetAdvParamsStartAdv\n"); if (!controller_get_interface()->supports_ble()) { return BTM_ILLEGAL_VALUE; } if (!BTM_BLE_ISVALID_PARAM(adv_int_min, BTM_BLE_ADV_INT_MIN, BTM_BLE_ADV_INT_MAX) || !BTM_BLE_ISVALID_PARAM(adv_int_max, BTM_BLE_ADV_INT_MIN, BTM_BLE_ADV_INT_MAX)) { return BTM_ILLEGAL_VALUE; } if(adv_type == BTM_BLE_CONNECT_DIR_EVT){ btm_ble_set_topology_mask(BTM_BLE_STATE_HI_DUTY_DIR_ADV_BIT); }else if(adv_type == BTM_BLE_CONNECT_LO_DUTY_DIR_EVT){ btm_ble_set_topology_mask(BTM_BLE_STATE_LO_DUTY_DIR_ADV_BIT); }else if(adv_type == BTM_BLE_NON_CONNECT_EVT){ btm_ble_set_topology_mask(BTM_BLE_STATE_NON_CONN_ADV_BIT); } p_cb->adv_interval_min = adv_int_min; p_cb->adv_interval_max = adv_int_max; p_cb->adv_chnl_map = chnl_map; p_addr_cb->own_addr_type = own_bda_type; p_cb->evt_type = adv_type; p_cb->afp = afp; if (p_dir_bda) { memcpy(&p_cb->direct_bda, p_dir_bda, sizeof(tBLE_BD_ADDR)); } BTM_TRACE_EVENT ("update params for an active adv\n"); btm_ble_stop_adv(); /* update adv params */ btsnd_hcic_ble_write_adv_params (adv_int_min, adv_int_max, adv_type, own_bda_type, p_dir_bda->type, p_dir_bda->bda, chnl_map, p_cb->afp); return btm_ble_start_adv(); } /******************************************************************************* ** ** Function BTM_BleReadAdvParams ** ** Description This function is called to set advertising parameters. ** ** Parameters adv_int_min: minimum advertising interval ** adv_int_max: maximum advertising interval ** p_dir_bda: connectable direct initiator's LE device address ** chnl_map: advertising channel map. ** ** Returns void ** *******************************************************************************/ void BTM_BleReadAdvParams (UINT16 *adv_int_min, UINT16 *adv_int_max, tBLE_BD_ADDR *p_dir_bda, tBTM_BLE_ADV_CHNL_MAP *p_chnl_map) { tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var; BTM_TRACE_EVENT ("BTM_BleReadAdvParams "); if (!controller_get_interface()->supports_ble()) { return ; } *adv_int_min = p_cb->adv_interval_min; *adv_int_max = p_cb->adv_interval_max; *p_chnl_map = p_cb->adv_chnl_map; if (p_dir_bda != NULL) { memcpy(p_dir_bda, &p_cb->direct_bda, sizeof(tBLE_BD_ADDR)); } } /******************************************************************************* ** ** Function BTM_BleSetScanParams ** ** Description This function is called to set scan parameters. ** ** Parameters client_if - Client IF ** scan_interval - Scan interval ** scan_window - Scan window ** scan_mode - Scan mode ** scan_setup_status_cback - Scan param setup status callback ** ** Returns void ** *******************************************************************************/ void BTM_BleSetScanParams(tGATT_IF client_if, UINT32 scan_interval, UINT32 scan_window, tBLE_SCAN_MODE scan_mode, tBLE_SCAN_PARAM_SETUP_CBACK scan_setup_status_cback) { tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var; UINT32 max_scan_interval; UINT32 max_scan_window; BTM_TRACE_EVENT ("%s\n", __func__); if (!controller_get_interface()->supports_ble()) { return; } /* If not supporting extended scan support, use the older range for checking */ if (btm_cb.cmn_ble_vsc_cb.extended_scan_support == 0) { max_scan_interval = BTM_BLE_SCAN_INT_MAX; max_scan_window = BTM_BLE_SCAN_WIN_MAX; } else { /* If supporting extended scan support, use the new extended range for checking */ max_scan_interval = BTM_BLE_EXT_SCAN_INT_MAX; max_scan_window = BTM_BLE_EXT_SCAN_WIN_MAX; } if (BTM_BLE_ISVALID_PARAM(scan_interval, BTM_BLE_SCAN_INT_MIN, max_scan_interval) && BTM_BLE_ISVALID_PARAM(scan_window, BTM_BLE_SCAN_WIN_MIN, max_scan_window) && (scan_mode == BTM_BLE_SCAN_MODE_ACTI || scan_mode == BTM_BLE_SCAN_MODE_PASS)) { p_cb->scan_type = scan_mode; p_cb->scan_interval = scan_interval; p_cb->scan_window = scan_window; if (scan_setup_status_cback != NULL) { scan_setup_status_cback(client_if, BTM_SUCCESS); } } else { if (scan_setup_status_cback != NULL) { scan_setup_status_cback(client_if, BTM_ILLEGAL_VALUE); } BTM_TRACE_ERROR("Illegal params: scan_interval = %d scan_window = %d\n", scan_interval, scan_window); } } void BTM_BleSetScanFilterParams(tGATT_IF client_if, UINT32 scan_interval, UINT32 scan_window, tBLE_SCAN_MODE scan_mode, UINT8 addr_type_own, tBTM_BLE_SFP scan_filter_policy, tBLE_SCAN_PARAM_SETUP_CBACK scan_setup_status_cback) { tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var; UINT32 max_scan_interval; UINT32 max_scan_window; BTM_TRACE_EVENT ("%s\n", __func__); if (!controller_get_interface()->supports_ble()) { return; } /* If not supporting extended scan support, use the older range for checking */ if (btm_cb.cmn_ble_vsc_cb.extended_scan_support == 0) { max_scan_interval = BTM_BLE_SCAN_INT_MAX; max_scan_window = BTM_BLE_SCAN_WIN_MAX; } else { /* If supporting extended scan support, use the new extended range for checking */ max_scan_interval = BTM_BLE_EXT_SCAN_INT_MAX; max_scan_window = BTM_BLE_EXT_SCAN_WIN_MAX; } if (BTM_BLE_ISVALID_PARAM(scan_interval, BTM_BLE_SCAN_INT_MIN, max_scan_interval) && BTM_BLE_ISVALID_PARAM(scan_window, BTM_BLE_SCAN_WIN_MIN, max_scan_window) && (scan_mode == BTM_BLE_SCAN_MODE_ACTI || scan_mode == BTM_BLE_SCAN_MODE_PASS)) { p_cb->scan_type = scan_mode; p_cb->scan_interval = scan_interval; p_cb->scan_window = scan_window; p_cb->sfp = scan_filter_policy; p_cb->scan_params_set = TRUE; btsnd_hcic_ble_set_scan_params(p_cb->scan_type, (UINT16)scan_interval, (UINT16)scan_window, addr_type_own, scan_filter_policy); if (scan_setup_status_cback != NULL) { scan_setup_status_cback(client_if, BTM_SUCCESS); } } else { if (scan_setup_status_cback != NULL) { scan_setup_status_cback(client_if, BTM_ILLEGAL_VALUE); } BTM_TRACE_ERROR("Illegal params: scan_interval = %d scan_window = %d\n", scan_interval, scan_window); } } /******************************************************************************* ** ** Function BTM_BleWriteScanRsp ** ** Description This function is called to write LE scan response. ** ** Parameters: p_scan_rsp: scan response information. ** ** Returns void ** *******************************************************************************/ tBTM_STATUS BTM_BleWriteScanRsp(tBTM_BLE_AD_MASK data_mask, tBTM_BLE_ADV_DATA *p_data) { tBTM_STATUS status = BTM_NO_RESOURCES; UINT8 rsp_data[BTM_BLE_AD_DATA_LEN], *p = rsp_data; BTM_TRACE_EVENT (" BTM_BleWriteScanRsp"); if (!controller_get_interface()->supports_ble()) { return BTM_ILLEGAL_VALUE; } memset(rsp_data, 0, BTM_BLE_AD_DATA_LEN); btm_ble_build_adv_data(&data_mask, &p, p_data); if (btsnd_hcic_ble_set_scan_rsp_data((UINT8)(p - rsp_data), rsp_data)) { status = BTM_SUCCESS; if (data_mask != 0) { btm_cb.ble_ctr_cb.inq_var.scan_rsp = TRUE; } else { btm_cb.ble_ctr_cb.inq_var.scan_rsp = FALSE; } } else { status = BTM_ILLEGAL_VALUE; } return status; } /******************************************************************************* ** ** Function BTM_BleWriteScanRspRaw ** ** Description This function is called to write raw scan response data ** ** Parameters: None. ** ** Returns void ** *******************************************************************************/ tBTM_STATUS BTM_BleWriteScanRspRaw(UINT8 *p_raw_scan_rsp, UINT32 raw_scan_rsp_len) { if (btsnd_hcic_ble_set_scan_rsp_data((UINT8)raw_scan_rsp_len, p_raw_scan_rsp)) { return BTM_SUCCESS; } else { return BTM_NO_RESOURCES; } } /******************************************************************************* ** ** Function BTM_BleWriteAdvData ** ** Description This function is called to write advertising data. ** ** Parameters: None. ** ** Returns void ** *******************************************************************************/ tBTM_STATUS BTM_BleWriteAdvData(tBTM_BLE_AD_MASK data_mask, tBTM_BLE_ADV_DATA *p_data) { tBTM_BLE_LOCAL_ADV_DATA *p_cb_data = &btm_cb.ble_ctr_cb.inq_var.adv_data; UINT8 *p; tBTM_BLE_AD_MASK mask = data_mask; BTM_TRACE_EVENT ("BTM_BleWriteAdvData "); if (!controller_get_interface()->supports_ble()) { return BTM_ILLEGAL_VALUE; } memset(p_cb_data, 0, sizeof(tBTM_BLE_LOCAL_ADV_DATA)); p = p_cb_data->ad_data; p_cb_data->data_mask = data_mask; p_cb_data->p_flags = btm_ble_build_adv_data(&mask, &p, p_data); p_cb_data->p_pad = p; if (mask != 0) { BTM_TRACE_DEBUG("Partial data write into ADV"); } p_cb_data->data_mask &= ~mask; if (btsnd_hcic_ble_set_adv_data((UINT8)(p_cb_data->p_pad - p_cb_data->ad_data), p_cb_data->ad_data)) { return BTM_SUCCESS; } else { return BTM_NO_RESOURCES; } } /******************************************************************************* ** ** Function BTM_BleWriteAdvDataRaw ** ** Description This function is called to write raw advertising data. ** ** Parameters: None. ** ** Returns void ** *******************************************************************************/ tBTM_STATUS BTM_BleWriteAdvDataRaw(UINT8 *p_raw_adv, UINT32 raw_adv_len) { if (btsnd_hcic_ble_set_adv_data((UINT8)raw_adv_len, p_raw_adv)) { return BTM_SUCCESS; } else { return BTM_NO_RESOURCES; } } /******************************************************************************* ** ** Function BTM_BleSetRandAddress ** ** Description This function is called to set the LE random address. ** ** Parameters: None. ** ** Returns void ** *******************************************************************************/ BOOLEAN BTM_BleSetRandAddress(BD_ADDR rand_addr) { BOOLEAN set_flag = false; if (rand_addr == NULL) return set_flag; //send the set random address to the controller set_flag = btsnd_hcic_ble_set_random_addr(rand_addr); return set_flag; } /******************************************************************************* ** ** Function BTM_CheckAdvData ** ** Description This function is called to get ADV data for a specific type. ** ** Parameters p_adv - pointer of ADV data ** type - finding ADV data type ** p_length - return the length of ADV data not including type ** ** Returns pointer of ADV data ** *******************************************************************************/ UINT8 *BTM_CheckAdvData( UINT8 *p_adv, UINT8 type, UINT8 *p_length) { UINT8 *p = p_adv; UINT8 length; UINT8 adv_type; BTM_TRACE_API("BTM_CheckAdvData type=0x%02X", type); STREAM_TO_UINT8(length, p); while ( length && (p - p_adv <= BTM_BLE_CACHE_ADV_DATA_MAX)) { STREAM_TO_UINT8(adv_type, p); if ( adv_type == type ) { /* length doesn't include itself */ *p_length = length - 1; /* minus the length of type */ return p; } p += length - 1; /* skip the length of data */ STREAM_TO_UINT8(length, p); } *p_length = 0; return NULL; } /******************************************************************************* ** ** Function BTM__BLEReadDiscoverability ** ** Description This function is called to read the current LE discoverability ** mode of the device. ** ** Returns BTM_BLE_NON_DISCOVERABLE ,BTM_BLE_LIMITED_DISCOVERABLE or ** BTM_BLE_GENRAL_DISCOVERABLE ** *******************************************************************************/ UINT16 BTM_BleReadDiscoverability() { BTM_TRACE_API("%s\n", __FUNCTION__); return (btm_cb.ble_ctr_cb.inq_var.discoverable_mode); } /******************************************************************************* ** ** Function BTM__BLEReadConnectability ** ** Description This function is called to read the current LE connectibility ** mode of the device. ** ** Returns BTM_BLE_NON_CONNECTABLE or BTM_BLE_CONNECTABLE ** *******************************************************************************/ UINT16 BTM_BleReadConnectability() { BTM_TRACE_API ("%s\n", __FUNCTION__); return (btm_cb.ble_ctr_cb.inq_var.connectable_mode); } void BTM_Recovery_Pre_State(void) { tBTM_BLE_INQ_CB *ble_inq_cb = &btm_cb.ble_ctr_cb.inq_var; if (ble_inq_cb->state == BTM_BLE_ADVERTISING) { btm_ble_stop_adv(); btm_ble_start_adv(); } else if (ble_inq_cb->state == BTM_BLE_SCANNING) { btm_ble_start_scan(); } return; } /******************************************************************************* ** ** Function btm_ble_build_adv_data ** ** Description This function is called build the adv data and rsp data. *******************************************************************************/ UINT8 *btm_ble_build_adv_data(tBTM_BLE_AD_MASK *p_data_mask, UINT8 **p_dst, tBTM_BLE_ADV_DATA *p_data) { UINT32 data_mask = *p_data_mask; UINT8 *p = *p_dst, *p_flag = NULL; UINT16 len = BTM_BLE_AD_DATA_LEN, cp_len = 0; UINT8 i = 0; tBTM_BLE_PROP_ELEM *p_elem; BTM_TRACE_EVENT (" btm_ble_build_adv_data"); /* build the adv data structure and build the data string */ if (data_mask) { /* flags */ if (data_mask & BTM_BLE_AD_BIT_FLAGS) { *p++ = MIN_ADV_LENGTH; *p++ = BTM_BLE_AD_TYPE_FLAG; p_flag = p; if (p_data) { *p++ = p_data->flag; } else { *p++ = 0; } len -= 3; data_mask &= ~BTM_BLE_AD_BIT_FLAGS; } /* appearance data */ if (len > 3 && data_mask & BTM_BLE_AD_BIT_APPEARANCE) { *p++ = 3; /* length */ *p++ = BTM_BLE_AD_TYPE_APPEARANCE; UINT16_TO_STREAM(p, p_data->appearance); len -= 4; data_mask &= ~BTM_BLE_AD_BIT_APPEARANCE; } /* device name */ #if BTM_MAX_LOC_BD_NAME_LEN > 0 if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_DEV_NAME) { if (strlen(btm_cb.cfg.bd_name) > (UINT16)(len - MIN_ADV_LENGTH)) { *p++ = len - MIN_ADV_LENGTH + 1; *p++ = BTM_BLE_AD_TYPE_NAME_SHORT; ARRAY_TO_STREAM(p, btm_cb.cfg.bd_name, len - MIN_ADV_LENGTH); } else { cp_len = (UINT16)strlen(btm_cb.cfg.bd_name); *p++ = cp_len + 1; *p++ = BTM_BLE_AD_TYPE_NAME_CMPL; ARRAY_TO_STREAM(p, btm_cb.cfg.bd_name, cp_len); } len -= (cp_len + MIN_ADV_LENGTH); data_mask &= ~BTM_BLE_AD_BIT_DEV_NAME; } #endif /* manufacturer data */ if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_MANU && p_data && p_data->p_manu && p_data->p_manu->len != 0 && p_data->p_manu->p_val) { if (p_data->p_manu->len > (len - MIN_ADV_LENGTH)) { cp_len = len - MIN_ADV_LENGTH; } else { cp_len = p_data->p_manu->len; } LOG_DEBUG("cp_len = %d\n,p_data->p_manu->len=%d\n", cp_len, p_data->p_manu->len); for (int i = 0; i < p_data->p_manu->len; i++) { LOG_DEBUG("p_data->p_manu->p_val[%d] = %x\n", i, p_data->p_manu->p_val[i]); } *p++ = cp_len + 1; *p++ = BTM_BLE_AD_TYPE_MANU; ARRAY_TO_STREAM(p, p_data->p_manu->p_val, cp_len); LOG_DEBUG("p_addr = %p\n,p_data->p_manu->p_val = %p\n", p, p_data->p_manu->p_val); len -= (cp_len + MIN_ADV_LENGTH); data_mask &= ~BTM_BLE_AD_BIT_MANU; } /* TX power */ if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_TX_PWR) { *p++ = MIN_ADV_LENGTH; *p++ = BTM_BLE_AD_TYPE_TX_PWR; if (p_data->tx_power > BTM_BLE_ADV_TX_POWER_MAX) { p_data->tx_power = BTM_BLE_ADV_TX_POWER_MAX; } *p++ = btm_ble_map_adv_tx_power(p_data->tx_power); len -= 3; data_mask &= ~BTM_BLE_AD_BIT_TX_PWR; } /* 16 bits services */ if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_SERVICE && p_data && p_data->p_services && p_data->p_services->num_service != 0 && p_data->p_services->p_uuid) { if (p_data->p_services->num_service * LEN_UUID_16 > (len - MIN_ADV_LENGTH)) { cp_len = (len - MIN_ADV_LENGTH) / LEN_UUID_16; *p ++ = 1 + cp_len * LEN_UUID_16; *p++ = BTM_BLE_AD_TYPE_16SRV_PART; } else { cp_len = p_data->p_services->num_service; *p++ = 1 + cp_len * LEN_UUID_16; *p++ = BTM_BLE_AD_TYPE_16SRV_CMPL; } for (i = 0; i < cp_len; i ++) { UINT16_TO_STREAM(p, *(p_data->p_services->p_uuid + i)); } len -= (cp_len * MIN_ADV_LENGTH + MIN_ADV_LENGTH); data_mask &= ~BTM_BLE_AD_BIT_SERVICE; } /* 32 bits service uuid */ if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_SERVICE_32 && p_data && p_data->p_service_32b && p_data->p_service_32b->num_service != 0 && p_data->p_service_32b->p_uuid) { if ((p_data->p_service_32b->num_service * LEN_UUID_32) > (len - MIN_ADV_LENGTH)) { cp_len = (len - MIN_ADV_LENGTH) / LEN_UUID_32; *p ++ = 1 + cp_len * LEN_UUID_32; *p++ = BTM_BLE_AD_TYPE_32SRV_PART; } else { cp_len = p_data->p_service_32b->num_service; *p++ = 1 + cp_len * LEN_UUID_32; *p++ = BTM_BLE_AD_TYPE_32SRV_CMPL; } for (i = 0; i < cp_len; i ++) { UINT32_TO_STREAM(p, *(p_data->p_service_32b->p_uuid + i)); } len -= (cp_len * LEN_UUID_32 + MIN_ADV_LENGTH); data_mask &= ~BTM_BLE_AD_BIT_SERVICE_32; } /* 128 bits services */ if (len >= (MAX_UUID_SIZE + 2) && data_mask & BTM_BLE_AD_BIT_SERVICE_128 && p_data && p_data->p_services_128b) { *p ++ = 1 + MAX_UUID_SIZE; if (!p_data->p_services_128b->list_cmpl) { *p++ = BTM_BLE_AD_TYPE_128SRV_PART; } else { *p++ = BTM_BLE_AD_TYPE_128SRV_CMPL; } ARRAY_TO_STREAM(p, p_data->p_services_128b->uuid128, MAX_UUID_SIZE); len -= (MAX_UUID_SIZE + MIN_ADV_LENGTH); data_mask &= ~BTM_BLE_AD_BIT_SERVICE_128; } /* 32 bits Service Solicitation UUIDs */ if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_SERVICE_32SOL && p_data && p_data->p_sol_service_32b && p_data->p_sol_service_32b->num_service != 0 && p_data->p_sol_service_32b->p_uuid) { if ((p_data->p_sol_service_32b->num_service * LEN_UUID_32) > (len - MIN_ADV_LENGTH)) { cp_len = (len - MIN_ADV_LENGTH) / LEN_UUID_32; *p ++ = 1 + cp_len * LEN_UUID_32; } else { cp_len = p_data->p_sol_service_32b->num_service; *p++ = 1 + cp_len * LEN_UUID_32; } *p++ = BTM_BLE_AD_TYPE_32SOL_SRV_UUID; for (i = 0; i < cp_len; i ++) { UINT32_TO_STREAM(p, *(p_data->p_sol_service_32b->p_uuid + i)); } len -= (cp_len * LEN_UUID_32 + MIN_ADV_LENGTH); data_mask &= ~BTM_BLE_AD_BIT_SERVICE_32SOL; } /* 128 bits Solicitation services UUID */ if (len >= (MAX_UUID_SIZE + MIN_ADV_LENGTH) && data_mask & BTM_BLE_AD_BIT_SERVICE_128SOL && p_data && p_data->p_sol_service_128b) { *p ++ = 1 + MAX_UUID_SIZE; *p++ = BTM_BLE_AD_TYPE_128SOL_SRV_UUID; ARRAY_TO_STREAM(p, p_data->p_sol_service_128b->uuid128, MAX_UUID_SIZE); len -= (MAX_UUID_SIZE + MIN_ADV_LENGTH); data_mask &= ~BTM_BLE_AD_BIT_SERVICE_128SOL; } /* 16bits/32bits/128bits Service Data */ if (len > MIN_ADV_LENGTH && data_mask & BTM_BLE_AD_BIT_SERVICE_DATA && p_data && p_data->p_service_data->len != 0 && p_data->p_service_data->p_val) { if (len > (p_data->p_service_data->service_uuid.len + MIN_ADV_LENGTH)) { if (p_data->p_service_data->len > (len - MIN_ADV_LENGTH)) { cp_len = len - MIN_ADV_LENGTH - p_data->p_service_data->service_uuid.len; } else { cp_len = p_data->p_service_data->len; } *p++ = cp_len + 1 + p_data->p_service_data->service_uuid.len; if (p_data->p_service_data->service_uuid.len == LEN_UUID_16) { *p++ = BTM_BLE_AD_TYPE_SERVICE_DATA; UINT16_TO_STREAM(p, p_data->p_service_data->service_uuid.uu.uuid16); } else if (p_data->p_service_data->service_uuid.len == LEN_UUID_32) { *p++ = BTM_BLE_AD_TYPE_32SERVICE_DATA; UINT32_TO_STREAM(p, p_data->p_service_data->service_uuid.uu.uuid32); } else { *p++ = BTM_BLE_AD_TYPE_128SERVICE_DATA; ARRAY_TO_STREAM(p, p_data->p_service_data->service_uuid.uu.uuid128, LEN_UUID_128); } ARRAY_TO_STREAM(p, p_data->p_service_data->p_val, cp_len); len -= (cp_len + MIN_ADV_LENGTH + p_data->p_service_data->service_uuid.len); data_mask &= ~BTM_BLE_AD_BIT_SERVICE_DATA; } else { BTM_TRACE_WARNING("service data does not fit"); } } if (len >= 6 && data_mask & BTM_BLE_AD_BIT_INT_RANGE && p_data) { *p++ = 5; *p++ = BTM_BLE_AD_TYPE_INT_RANGE; UINT16_TO_STREAM(p, p_data->int_range.low); UINT16_TO_STREAM(p, p_data->int_range.hi); len -= 6; data_mask &= ~BTM_BLE_AD_BIT_INT_RANGE; } if (data_mask & BTM_BLE_AD_BIT_PROPRIETARY && p_data && p_data->p_proprietary) { for (i = 0; i < p_data->p_proprietary->num_elem ; i ++) { p_elem = p_data->p_proprietary->p_elem + i; if (len >= (MIN_ADV_LENGTH + p_elem->len))/* len byte(1) + ATTR type(1) + Uuid len(2) + value length */ { *p ++ = p_elem->len + 1; /* Uuid len + value length */ *p ++ = p_elem->adv_type; ARRAY_TO_STREAM(p, p_elem->p_val, p_elem->len); len -= (MIN_ADV_LENGTH + p_elem->len); } else { BTM_TRACE_WARNING("data exceed max adv packet length"); break; } } data_mask &= ~BTM_BLE_AD_BIT_PROPRIETARY; } } *p_data_mask = data_mask; *p_dst = p; return p_flag; } /******************************************************************************* ** ** Function btm_ble_select_adv_interval ** ** Description select adv interval based on device mode ** ** Returns void ** *******************************************************************************/ void btm_ble_select_adv_interval(tBTM_BLE_INQ_CB *p_cb, UINT8 evt_type, UINT16 *p_adv_int_min, UINT16 *p_adv_int_max) { if (p_cb->adv_interval_min && p_cb->adv_interval_max) { *p_adv_int_min = p_cb->adv_interval_min; *p_adv_int_max = p_cb->adv_interval_max; } else { switch (evt_type) { case BTM_BLE_CONNECT_EVT: case BTM_BLE_CONNECT_LO_DUTY_DIR_EVT: *p_adv_int_min = *p_adv_int_max = BTM_BLE_GAP_ADV_FAST_INT_1; break; case BTM_BLE_NON_CONNECT_EVT: case BTM_BLE_DISCOVER_EVT: *p_adv_int_min = *p_adv_int_max = BTM_BLE_GAP_ADV_FAST_INT_2; break; /* connectable directed event */ case BTM_BLE_CONNECT_DIR_EVT: *p_adv_int_min = BTM_BLE_GAP_ADV_DIR_MIN_INT; *p_adv_int_max = BTM_BLE_GAP_ADV_DIR_MAX_INT; break; default: *p_adv_int_min = *p_adv_int_max = BTM_BLE_GAP_ADV_SLOW_INT; break; } } return; } /******************************************************************************* ** ** Function btm_ble_update_dmt_flag_bits ** ** Description Obtain updated adv flag value based on connect and discoverability mode. ** Also, setup DMT support value in the flag based on whether the controller ** supports both LE and BR/EDR. ** ** Parameters: flag_value (Input / Output) - flag value ** connect_mode (Input) - Connect mode value ** disc_mode (Input) - discoverability mode ** ** Returns void ** *******************************************************************************/ void btm_ble_update_dmt_flag_bits(UINT8 *adv_flag_value, const UINT16 connect_mode, const UINT16 disc_mode) { /* BR/EDR non-discoverable , non-connectable */ if ((disc_mode & BTM_DISCOVERABLE_MASK) == 0 && (connect_mode & BTM_CONNECTABLE_MASK) == 0) { *adv_flag_value |= BTM_BLE_BREDR_NOT_SPT; } else { *adv_flag_value &= ~BTM_BLE_BREDR_NOT_SPT; } /* if local controller support, mark both controller and host support in flag */ if (controller_get_interface()->supports_simultaneous_le_bredr()) { *adv_flag_value |= (BTM_BLE_DMT_CONTROLLER_SPT | BTM_BLE_DMT_HOST_SPT); } else { *adv_flag_value &= ~(BTM_BLE_DMT_CONTROLLER_SPT | BTM_BLE_DMT_HOST_SPT); } } /******************************************************************************* ** ** Function btm_ble_set_adv_flag ** ** Description Set adv flag in adv data. ** ** Parameters: connect_mode (Input)- Connect mode value ** disc_mode (Input) - discoverability mode ** ** Returns void ** *******************************************************************************/ void btm_ble_set_adv_flag(UINT16 connect_mode, UINT16 disc_mode) { UINT8 flag = 0, old_flag = 0; tBTM_BLE_LOCAL_ADV_DATA *p_adv_data = &btm_cb.ble_ctr_cb.inq_var.adv_data; if (p_adv_data->p_flags != NULL) { flag = old_flag = *(p_adv_data->p_flags); } btm_ble_update_dmt_flag_bits (&flag, connect_mode, disc_mode); LOG_DEBUG("disc_mode %04x", disc_mode); /* update discoverable flag */ if (disc_mode & BTM_BLE_LIMITED_DISCOVERABLE) { flag &= ~BTM_BLE_GEN_DISC_FLAG; flag |= BTM_BLE_LIMIT_DISC_FLAG; } else if (disc_mode & BTM_BLE_GENERAL_DISCOVERABLE) { flag |= BTM_BLE_GEN_DISC_FLAG; flag &= ~BTM_BLE_LIMIT_DISC_FLAG; } else { /* remove all discoverable flags */ flag &= ~(BTM_BLE_LIMIT_DISC_FLAG | BTM_BLE_GEN_DISC_FLAG); } if (flag != old_flag) { LOG_ERROR("flag = 0x%x,old_flag = 0x%x", flag, old_flag); btm_ble_update_adv_flag(flag); } } /******************************************************************************* ** ** Function btm_ble_set_discoverability ** ** Description This function is called to set BLE discoverable mode. ** ** Parameters: combined_mode: discoverability mode. ** ** Returns BTM_SUCCESS is status set successfully; otherwise failure. ** *******************************************************************************/ tBTM_STATUS btm_ble_set_discoverability(UINT16 combined_mode) { tBTM_LE_RANDOM_CB *p_addr_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb; tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var; UINT16 mode = (combined_mode & BTM_BLE_DISCOVERABLE_MASK); UINT8 new_mode = BTM_BLE_ADV_ENABLE; UINT8 evt_type; tBTM_STATUS status = BTM_SUCCESS; BD_ADDR p_addr_ptr = {0}; tBLE_ADDR_TYPE init_addr_type = BLE_ADDR_PUBLIC, own_addr_type = p_addr_cb->own_addr_type; UINT16 adv_int_min, adv_int_max; BTM_TRACE_EVENT ("%s mode=0x%0x combined_mode=0x%x\n", __FUNCTION__, mode, combined_mode); /*** Check mode parameter ***/ if (mode > BTM_BLE_MAX_DISCOVERABLE) { return (BTM_ILLEGAL_VALUE); } p_cb->discoverable_mode = mode; evt_type = btm_set_conn_mode_adv_init_addr(p_cb, p_addr_ptr, &init_addr_type, &own_addr_type); if (p_cb->connectable_mode == BTM_BLE_NON_CONNECTABLE && mode == BTM_BLE_NON_DISCOVERABLE) { new_mode = BTM_BLE_ADV_DISABLE; } btm_ble_select_adv_interval(p_cb, evt_type, &adv_int_min, &adv_int_max); btu_stop_timer(&p_cb->fast_adv_timer); /* update adv params if start advertising */ BTM_TRACE_EVENT ("evt_type=0x%x p-cb->evt_type=0x%x\n ", evt_type, p_cb->evt_type); if (new_mode == BTM_BLE_ADV_ENABLE) { btm_ble_set_adv_flag (btm_cb.btm_inq_vars.connectable_mode, combined_mode); if (evt_type != p_cb->evt_type || p_cb->adv_addr_type != own_addr_type || !p_cb->fast_adv_on) { btm_ble_stop_adv(); /* update adv params */ if (!btsnd_hcic_ble_write_adv_params (adv_int_min, adv_int_max, evt_type, own_addr_type, init_addr_type, p_addr_ptr, p_cb->adv_chnl_map, p_cb->afp)) { status = BTM_NO_RESOURCES; } else { p_cb->evt_type = evt_type; p_cb->adv_addr_type = own_addr_type; } } } if (status == BTM_SUCCESS && p_cb->adv_mode != new_mode) { if (new_mode == BTM_BLE_ADV_ENABLE) { status = btm_ble_start_adv(); } else { status = btm_ble_stop_adv(); } } if (p_cb->adv_mode == BTM_BLE_ADV_ENABLE) { p_cb->fast_adv_on = TRUE; /* start initial GAP mode adv timer */ btu_start_timer (&p_cb->fast_adv_timer, BTU_TTYPE_BLE_GAP_FAST_ADV, BTM_BLE_GAP_FAST_ADV_TOUT); } else { #if BLE_PRIVACY_SPT == TRUE btm_ble_disable_resolving_list(BTM_BLE_RL_ADV, TRUE); #endif } /* set up stop advertising timer */ if (status == BTM_SUCCESS && mode == BTM_BLE_LIMITED_DISCOVERABLE) { BTM_TRACE_EVENT ("start timer for limited disc mode duration=%d (180 secs)", BTM_BLE_GAP_LIM_TOUT); /* start Tgap(lim_timeout) */ btu_start_timer (&p_cb->inq_timer_ent, BTU_TTYPE_BLE_GAP_LIM_DISC, BTM_BLE_GAP_LIM_TOUT); } return status; } /******************************************************************************* ** ** Function btm_ble_set_connectability ** ** Description This function is called to set BLE connectability mode. ** ** Parameters: combined_mode: connectability mode. ** ** Returns BTM_SUCCESS is status set successfully; otherwise failure. ** *******************************************************************************/ tBTM_STATUS btm_ble_set_connectability(UINT16 combined_mode) { tBTM_LE_RANDOM_CB *p_addr_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb; tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var; UINT16 mode = (combined_mode & BTM_BLE_CONNECTABLE_MASK); UINT8 new_mode = BTM_BLE_ADV_ENABLE; UINT8 evt_type; tBTM_STATUS status = BTM_SUCCESS; BD_ADDR p_addr_ptr = {0}; tBLE_ADDR_TYPE peer_addr_type = BLE_ADDR_PUBLIC, own_addr_type = p_addr_cb->own_addr_type; UINT16 adv_int_min, adv_int_max; BTM_TRACE_EVENT ("%s mode=0x%0x combined_mode=0x%x\n", __FUNCTION__, mode, combined_mode); /*** Check mode parameter ***/ if (mode > BTM_BLE_MAX_CONNECTABLE) { return (BTM_ILLEGAL_VALUE); } p_cb->connectable_mode = mode; evt_type = btm_set_conn_mode_adv_init_addr(p_cb, p_addr_ptr, &peer_addr_type, &own_addr_type); if (mode == BTM_BLE_NON_CONNECTABLE && p_cb->discoverable_mode == BTM_BLE_NON_DISCOVERABLE) { new_mode = BTM_BLE_ADV_DISABLE; } btm_ble_select_adv_interval(p_cb, evt_type, &adv_int_min, &adv_int_max); btu_stop_timer(&p_cb->fast_adv_timer); /* update adv params if needed */ if (new_mode == BTM_BLE_ADV_ENABLE) { btm_ble_set_adv_flag (combined_mode, btm_cb.btm_inq_vars.discoverable_mode); if (p_cb->evt_type != evt_type || p_cb->adv_addr_type != p_addr_cb->own_addr_type || !p_cb->fast_adv_on) { btm_ble_stop_adv(); if (!btsnd_hcic_ble_write_adv_params (adv_int_min, adv_int_max, evt_type, own_addr_type, peer_addr_type, p_addr_ptr, p_cb->adv_chnl_map, p_cb->afp)) { status = BTM_NO_RESOURCES; } else { p_cb->evt_type = evt_type; p_cb->adv_addr_type = own_addr_type; } } } /* update advertising mode */ if (status == BTM_SUCCESS && new_mode != p_cb->adv_mode) { if (new_mode == BTM_BLE_ADV_ENABLE) { status = btm_ble_start_adv(); } else { status = btm_ble_stop_adv(); } } if (p_cb->adv_mode == BTM_BLE_ADV_ENABLE) { p_cb->fast_adv_on = TRUE; /* start initial GAP mode adv timer */ btu_start_timer (&p_cb->fast_adv_timer, BTU_TTYPE_BLE_GAP_FAST_ADV, BTM_BLE_GAP_FAST_ADV_TOUT); } else { #if BLE_PRIVACY_SPT == TRUE btm_ble_disable_resolving_list(BTM_BLE_RL_ADV, TRUE); #endif } return status; } /******************************************************************************* ** ** Function btm_ble_start_inquiry ** ** Description This function is called to start BLE inquiry procedure. ** If the duration is zero, the periodic inquiry mode is cancelled. ** ** Parameters: mode - GENERAL or LIMITED inquiry ** p_inq_params - pointer to the BLE inquiry parameter. ** p_results_cb - callback returning pointer to results (tBTM_INQ_RESULTS) ** p_cmpl_cb - callback indicating the end of an inquiry ** ** ** ** Returns BTM_CMD_STARTED if successfully started ** BTM_NO_RESOURCES if could not allocate a message buffer ** BTM_BUSY - if an inquiry is already active ** *******************************************************************************/ tBTM_STATUS btm_ble_start_inquiry (UINT8 mode, UINT8 duration) { tBTM_STATUS status = BTM_CMD_STARTED; tBTM_BLE_CB *p_ble_cb = &btm_cb.ble_ctr_cb; tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; BTM_TRACE_DEBUG("btm_ble_start_inquiry: mode = %02x inq_active = 0x%02x", mode, btm_cb.btm_inq_vars.inq_active); /* if selective connection is active, or inquiry is already active, reject it */ if (BTM_BLE_IS_INQ_ACTIVE(p_ble_cb->scan_activity) || BTM_BLE_IS_SEL_CONN_ACTIVE (p_ble_cb->scan_activity)) { BTM_TRACE_ERROR("LE Inquiry is active, can not start inquiry"); return (BTM_BUSY); } if (!BTM_BLE_IS_SCAN_ACTIVE(p_ble_cb->scan_activity)) { btsnd_hcic_ble_set_scan_params(BTM_BLE_SCAN_MODE_ACTI, BTM_BLE_LOW_LATENCY_SCAN_INT, BTM_BLE_LOW_LATENCY_SCAN_WIN, btm_cb.ble_ctr_cb.addr_mgnt_cb.own_addr_type, SP_ADV_ALL); #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE) /* enable IRK list */ btm_ble_enable_resolving_list_for_platform(BTM_BLE_RL_SCAN); #endif p_ble_cb->inq_var.scan_duplicate_filter = BTM_BLE_DUPLICATE_DISABLE; status = btm_ble_start_scan(); } else if ((p_ble_cb->inq_var.scan_interval != BTM_BLE_LOW_LATENCY_SCAN_INT) || (p_ble_cb->inq_var.scan_window != BTM_BLE_LOW_LATENCY_SCAN_WIN)) { BTM_TRACE_DEBUG("%s, restart LE scan with low latency scan params", __FUNCTION__); btsnd_hcic_ble_set_scan_enable(BTM_BLE_SCAN_DISABLE, BTM_BLE_DUPLICATE_ENABLE); btsnd_hcic_ble_set_scan_params(BTM_BLE_SCAN_MODE_ACTI, BTM_BLE_LOW_LATENCY_SCAN_INT, BTM_BLE_LOW_LATENCY_SCAN_WIN, btm_cb.ble_ctr_cb.addr_mgnt_cb.own_addr_type, SP_ADV_ALL); btsnd_hcic_ble_set_scan_enable(BTM_BLE_SCAN_ENABLE, BTM_BLE_DUPLICATE_DISABLE); } if (status == BTM_CMD_STARTED) { p_inq->inq_active |= mode; p_ble_cb->scan_activity |= mode; BTM_TRACE_DEBUG("btm_ble_start_inquiry inq_active = 0x%02x", p_inq->inq_active); if (duration != 0) { /* start inquiry timer */ btu_start_timer (&p_ble_cb->inq_var.inq_timer_ent, BTU_TTYPE_BLE_INQUIRY, duration); } } return status; } /******************************************************************************* ** ** Function btm_ble_read_remote_name_cmpl ** ** Description This function is called when BLE remote name is received. ** ** Returns void ** *******************************************************************************/ void btm_ble_read_remote_name_cmpl(BOOLEAN status, BD_ADDR bda, UINT16 length, char *p_name) { UINT8 hci_status = HCI_SUCCESS; BD_NAME bd_name; memset(bd_name, 0, (BD_NAME_LEN + 1)); if (length > BD_NAME_LEN) { length = BD_NAME_LEN; } memcpy((UINT8 *)bd_name, p_name, length); if ((!status) || (length == 0)) { hci_status = HCI_ERR_HOST_TIMEOUT; } btm_process_remote_name(bda, bd_name, length + 1, hci_status); #if (SMP_INCLUDED == TRUE) btm_sec_rmt_name_request_complete (bda, (UINT8 *)p_name, hci_status); #endif ///SMP_INCLUDED == TRUE } /******************************************************************************* ** ** Function btm_ble_read_remote_name ** ** Description This function read remote LE device name using GATT read ** procedure. ** ** Parameters: None. ** ** Returns void ** *******************************************************************************/ tBTM_STATUS btm_ble_read_remote_name(BD_ADDR remote_bda, tBTM_INQ_INFO *p_cur, tBTM_CMPL_CB *p_cb) { tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; if (!controller_get_interface()->supports_ble()) { return BTM_ERR_PROCESSING; } if (p_cur && p_cur->results.ble_evt_type != BTM_BLE_EVT_CONN_ADV && p_cur->results.ble_evt_type != BTM_BLE_EVT_CONN_DIR_ADV) { BTM_TRACE_DEBUG("name request to non-connectable device failed."); return BTM_ERR_PROCESSING; } /* read remote device name using GATT procedure */ if (p_inq->remname_active) { return BTM_BUSY; } #if (defined(GAP_INCLUDED) && GAP_INCLUDED == TRUE && GATTS_INCLUDED == TRUE) if (!GAP_BleReadPeerDevName(remote_bda, btm_ble_read_remote_name_cmpl)) { return BTM_BUSY; } #endif p_inq->p_remname_cmpl_cb = p_cb; p_inq->remname_active = TRUE; memcpy(p_inq->remname_bda, remote_bda, BD_ADDR_LEN); btu_start_timer (&p_inq->rmt_name_timer_ent, BTU_TTYPE_BTM_RMT_NAME, BTM_EXT_BLE_RMT_NAME_TIMEOUT); return BTM_CMD_STARTED; } /******************************************************************************* ** ** Function btm_ble_cancel_remote_name ** ** Description This function cancel read remote LE device name. ** ** Parameters: None. ** ** Returns void ** *******************************************************************************/ BOOLEAN btm_ble_cancel_remote_name(BD_ADDR remote_bda) { tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; BOOLEAN status = TRUE; #if (defined(GAP_INCLUDED) && GAP_INCLUDED == TRUE && GATTS_INCLUDED == TRUE) status = GAP_BleCancelReadPeerDevName(remote_bda); #endif p_inq->remname_active = FALSE; memset(p_inq->remname_bda, 0, BD_ADDR_LEN); btu_stop_timer(&p_inq->rmt_name_timer_ent); return status; } /******************************************************************************* ** ** Function btm_ble_update_adv_flag ** ** Description This function update the limited discoverable flag in the adv ** data. ** ** Parameters: None. ** ** Returns void ** *******************************************************************************/ static void btm_ble_update_adv_flag(UINT8 flag) { tBTM_BLE_LOCAL_ADV_DATA *p_adv_data = &btm_cb.ble_ctr_cb.inq_var.adv_data; UINT8 *p; BTM_TRACE_DEBUG ("btm_ble_update_adv_flag new=0x%x", flag); if (p_adv_data->p_flags != NULL) { BTM_TRACE_DEBUG ("btm_ble_update_adv_flag old=0x%x", *p_adv_data->p_flags); *p_adv_data->p_flags = flag; } else { /* no FLAGS in ADV data*/ p = (p_adv_data->p_pad == NULL) ? p_adv_data->ad_data : p_adv_data->p_pad; /* need 3 bytes space to stuff in the flags, if not */ /* erase all written data, just for flags */ if ((BTM_BLE_AD_DATA_LEN - (p - p_adv_data->ad_data)) < 3) { p = p_adv_data->p_pad = p_adv_data->ad_data; memset(p_adv_data->ad_data, 0, BTM_BLE_AD_DATA_LEN); } *p++ = 2; *p++ = BTM_BLE_AD_TYPE_FLAG; p_adv_data->p_flags = p; *p++ = flag; p_adv_data->p_pad = p; } if (btsnd_hcic_ble_set_adv_data((UINT8)(p_adv_data->p_pad - p_adv_data->ad_data), p_adv_data->ad_data)) { p_adv_data->data_mask |= BTM_BLE_AD_BIT_FLAGS; } } #if 0 /******************************************************************************* ** ** Function btm_ble_parse_adv_data ** ** Description This function parse the adv data into a structure. ** ** Returns pointer to entry, or NULL if not found ** *******************************************************************************/ static void btm_ble_parse_adv_data(tBTM_INQ_INFO *p_info, UINT8 *p_data, UINT8 len, tBTM_BLE_INQ_DATA *p_adv_data, UINT8 *p_buf) { UINT8 *p_cur = p_data; UINT8 ad_len, ad_type, ad_flag; BTM_TRACE_EVENT (" btm_ble_parse_adv_data"); while (len > 0) { BTM_TRACE_DEBUG("btm_ble_parse_adv_data: len = %d", len); if ((ad_len = *p_cur ++) == 0) { break; } ad_type = *p_cur ++; BTM_TRACE_DEBUG(" ad_type = %02x ad_len = %d", ad_type, ad_len); switch (ad_type) { case BTM_BLE_AD_TYPE_NAME_SHORT: case BTM_BLE_AD_TYPE_NAME_CMPL: p_adv_data->ad_mask |= BTM_BLE_AD_BIT_DEV_NAME; if (p_info) { p_info->remote_name_type = (ad_type == BTM_BLE_AD_TYPE_NAME_SHORT) ? BTM_BLE_NAME_SHORT : BTM_BLE_NAME_CMPL; memcpy(p_info->remote_name, p_cur, ad_len - 1); p_info->remote_name[ad_len] = 0; p_adv_data->p_remote_name = p_info->remote_name; p_info->remote_name_len = p_adv_data->remote_name_len = ad_len - 1; BTM_TRACE_DEBUG("BTM_BLE_AD_TYPE_NAME name = %s", p_adv_data->p_remote_name); } p_cur += (ad_len - 1); break; case BTM_BLE_AD_TYPE_FLAG: p_adv_data->ad_mask |= BTM_BLE_AD_BIT_FLAGS; ad_flag = *p_cur ++; p_adv_data->flag = (UINT8)(ad_flag & BTM_BLE_ADV_FLAG_MASK) ; BTM_TRACE_DEBUG("BTM_BLE_AD_TYPE_FLAG flag = %s | %s | %s", (p_adv_data->flag & BTM_BLE_LIMIT_DISC_FLAG) ? "LE_LIMIT_DISC" : "", (p_adv_data->flag & BTM_BLE_GEN_DISC_FLAG) ? "LE_GENERAL_DISC" : "", (p_adv_data->flag & BTM_BLE_BREDR_NOT_SPT) ? "LE Only device" : ""); break; case BTM_BLE_AD_TYPE_TX_PWR: p_adv_data->ad_mask |= BTM_BLE_AD_BIT_TX_PWR; p_adv_data->tx_power_level = (INT8) * p_cur ++; BTM_TRACE_DEBUG("BTM_BLE_AD_TYPE_TX_PWR tx_level = %d", p_adv_data->tx_power_level); break; case BTM_BLE_AD_TYPE_MANU: case BTM_BLE_AD_TYPE_16SRV_PART: case BTM_BLE_AD_TYPE_16SRV_CMPL: p_adv_data->ad_mask |= BTM_BLE_AD_BIT_SERVICE; /* need allocate memory to store UUID list */ p_adv_data->service.num_service = (ad_len - 1) / 2; BTM_TRACE_DEBUG("service UUID list, num = %d", p_adv_data->service.num_service); p_cur += (ad_len - 1); break; case BTM_BLE_AD_TYPE_SOL_SRV_UUID: p_adv_data->ad_mask |= BTM_BLE_AD_BIT_SERVICE_SOL; /* need allocate memory to store UUID list */ p_adv_data->service.num_service = (ad_len - 1) / 2; BTM_TRACE_DEBUG("service UUID list, num = %d", p_adv_data->service.num_service); p_cur += (ad_len - 1); break; case BTM_BLE_AD_TYPE_128SOL_SRV_UUID: p_adv_data->ad_mask |= BTM_BLE_AD_BIT_SERVICE_128SOL; /* need allocate memory to store UUID list */ p_adv_data->service.num_service = (ad_len - 1) / 16; BTM_TRACE_DEBUG("service UUID list, num = %d", p_adv_data->service.num_service); p_cur += (ad_len - 1); break; case BTM_BLE_AD_TYPE_APPEARANCE: case BTM_BLE_AD_TYPE_PUBLIC_TARGET: case BTM_BLE_AD_TYPE_RANDOM_TARGET: default: break; } len -= (ad_len + 1); } } #endif /******************************************************************************* ** ** Function btm_ble_cache_adv_data ** ** Description Update advertising cache data. ** ** Returns void ** *******************************************************************************/ void btm_ble_cache_adv_data(tBTM_INQ_RESULTS *p_cur, UINT8 data_len, UINT8 *p, UINT8 evt_type) { tBTM_BLE_INQ_CB *p_le_inq_cb = &btm_cb.ble_ctr_cb.inq_var; UINT8 *p_cache; UINT8 length; /* cache adv report/scan response data */ if (evt_type != BTM_BLE_SCAN_RSP_EVT) { p_le_inq_cb->adv_len = 0; memset(p_le_inq_cb->adv_data_cache, 0, BTM_BLE_CACHE_ADV_DATA_MAX); p_cur->adv_data_len = 0; p_cur->scan_rsp_len = 0; } if (data_len > 0) { p_cache = &p_le_inq_cb->adv_data_cache[p_le_inq_cb->adv_len]; STREAM_TO_UINT8(length, p); while ( length && ((p_le_inq_cb->adv_len + length + 1) <= BTM_BLE_CACHE_ADV_DATA_MAX)) { /* copy from the length byte & data into cache */ memcpy(p_cache, p - 1, length + 1); /* advance the cache pointer past data */ p_cache += length + 1; /* increment cache length */ p_le_inq_cb->adv_len += length + 1; /* skip the length of data */ p += length; STREAM_TO_UINT8(length, p); } } if (evt_type != BTM_BLE_SCAN_RSP_EVT) { p_cur->adv_data_len = p_le_inq_cb->adv_len; } else { p_cur->scan_rsp_len = p_le_inq_cb->adv_len - p_cur->adv_data_len; } /* parse service UUID from adv packet and save it in inq db eir_uuid */ /* TODO */ } /******************************************************************************* ** ** Function btm_ble_is_discoverable ** ** Description check ADV flag to make sure device is discoverable and match ** the search condition ** ** Parameters ** ** Returns void ** *******************************************************************************/ UINT8 btm_ble_is_discoverable(BD_ADDR bda, UINT8 evt_type, UINT8 *p) { UINT8 *p_flag, flag = 0, rt = 0; UINT8 data_len; tBTM_INQ_PARMS *p_cond = &btm_cb.btm_inq_vars.inqparms; tBTM_BLE_INQ_CB *p_le_inq_cb = &btm_cb.ble_ctr_cb.inq_var; UNUSED(p); /* for observer, always "discoverable */ if (BTM_BLE_IS_OBS_ACTIVE(btm_cb.ble_ctr_cb.scan_activity)) { rt |= BTM_BLE_OBS_RESULT; } /* for discover, always "discoverable */ if (BTM_BLE_IS_DISCO_ACTIVE(btm_cb.ble_ctr_cb.scan_activity)) { rt |= BTM_BLE_DISCO_RESULT; } if (BTM_BLE_IS_SEL_CONN_ACTIVE(btm_cb.ble_ctr_cb.scan_activity) && (evt_type == BTM_BLE_CONNECT_EVT || evt_type == BTM_BLE_CONNECT_DIR_EVT)) { rt |= BTM_BLE_SEL_CONN_RESULT; } /* does not match filter condition */ if (p_cond->filter_cond_type == BTM_FILTER_COND_BD_ADDR && memcmp(bda, p_cond->filter_cond.bdaddr_cond, BD_ADDR_LEN) != 0) { BTM_TRACE_DEBUG("BD ADDR does not meet filter condition"); return rt; } if (p_le_inq_cb->adv_len != 0) { if ((p_flag = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache, BTM_BLE_AD_TYPE_FLAG, &data_len)) != NULL) { flag = * p_flag; if ((btm_cb.btm_inq_vars.inq_active & BTM_BLE_GENERAL_INQUIRY) && (flag & (BTM_BLE_LIMIT_DISC_FLAG | BTM_BLE_GEN_DISC_FLAG)) != 0) { BTM_TRACE_DEBUG("Find Generable Discoverable device"); rt |= BTM_BLE_INQ_RESULT; } else if (btm_cb.btm_inq_vars.inq_active & BTM_BLE_LIMITED_INQUIRY && (flag & BTM_BLE_LIMIT_DISC_FLAG) != 0) { BTM_TRACE_DEBUG("Find limited discoverable device"); rt |= BTM_BLE_INQ_RESULT; } } } return rt; } static void btm_ble_appearance_to_cod(UINT16 appearance, UINT8 *dev_class) { dev_class[0] = 0; switch (appearance) { case BTM_BLE_APPEARANCE_GENERIC_PHONE: dev_class[1] = BTM_COD_MAJOR_PHONE; dev_class[2] = BTM_COD_MINOR_UNCLASSIFIED; break; case BTM_BLE_APPEARANCE_GENERIC_COMPUTER: dev_class[1] = BTM_COD_MAJOR_COMPUTER; dev_class[2] = BTM_COD_MINOR_UNCLASSIFIED; break; case BTM_BLE_APPEARANCE_GENERIC_REMOTE: dev_class[1] = BTM_COD_MAJOR_PERIPHERAL; dev_class[2] = BTM_COD_MINOR_REMOTE_CONTROL; break; case BTM_BLE_APPEARANCE_GENERIC_THERMOMETER: case BTM_BLE_APPEARANCE_THERMOMETER_EAR: dev_class[1] = BTM_COD_MAJOR_HEALTH; dev_class[2] = BTM_COD_MINOR_THERMOMETER; break; case BTM_BLE_APPEARANCE_GENERIC_HEART_RATE: case BTM_BLE_APPEARANCE_HEART_RATE_BELT: dev_class[1] = BTM_COD_MAJOR_HEALTH; dev_class[2] = BTM_COD_MINOR_HEART_PULSE_MONITOR; break; case BTM_BLE_APPEARANCE_GENERIC_BLOOD_PRESSURE: case BTM_BLE_APPEARANCE_BLOOD_PRESSURE_ARM: case BTM_BLE_APPEARANCE_BLOOD_PRESSURE_WRIST: dev_class[1] = BTM_COD_MAJOR_HEALTH; dev_class[2] = BTM_COD_MINOR_BLOOD_MONITOR; break; case BTM_BLE_APPEARANCE_GENERIC_PULSE_OXIMETER: case BTM_BLE_APPEARANCE_PULSE_OXIMETER_FINGERTIP: case BTM_BLE_APPEARANCE_PULSE_OXIMETER_WRIST: dev_class[1] = BTM_COD_MAJOR_HEALTH; dev_class[2] = BTM_COD_MINOR_PULSE_OXIMETER; break; case BTM_BLE_APPEARANCE_GENERIC_GLUCOSE: dev_class[1] = BTM_COD_MAJOR_HEALTH; dev_class[2] = BTM_COD_MINOR_GLUCOSE_METER; break; case BTM_BLE_APPEARANCE_GENERIC_WEIGHT: dev_class[1] = BTM_COD_MAJOR_HEALTH; dev_class[2] = BTM_COD_MINOR_WEIGHING_SCALE; break; case BTM_BLE_APPEARANCE_GENERIC_WALKING: case BTM_BLE_APPEARANCE_WALKING_IN_SHOE: case BTM_BLE_APPEARANCE_WALKING_ON_SHOE: case BTM_BLE_APPEARANCE_WALKING_ON_HIP: dev_class[1] = BTM_COD_MAJOR_HEALTH; dev_class[2] = BTM_COD_MINOR_STEP_COUNTER; break; case BTM_BLE_APPEARANCE_GENERIC_WATCH: case BTM_BLE_APPEARANCE_SPORTS_WATCH: dev_class[1] = BTM_COD_MAJOR_WEARABLE; dev_class[2] = BTM_COD_MINOR_WRIST_WATCH; break; case BTM_BLE_APPEARANCE_GENERIC_EYEGLASSES: dev_class[1] = BTM_COD_MAJOR_WEARABLE; dev_class[2] = BTM_COD_MINOR_GLASSES; break; case BTM_BLE_APPEARANCE_GENERIC_DISPLAY: dev_class[1] = BTM_COD_MAJOR_IMAGING; dev_class[2] = BTM_COD_MINOR_DISPLAY; break; case BTM_BLE_APPEARANCE_GENERIC_MEDIA_PLAYER: dev_class[1] = BTM_COD_MAJOR_AUDIO; dev_class[2] = BTM_COD_MINOR_UNCLASSIFIED; break; case BTM_BLE_APPEARANCE_GENERIC_BARCODE_SCANNER: case BTM_BLE_APPEARANCE_HID_BARCODE_SCANNER: case BTM_BLE_APPEARANCE_GENERIC_HID: dev_class[1] = BTM_COD_MAJOR_PERIPHERAL; dev_class[2] = BTM_COD_MINOR_UNCLASSIFIED; break; case BTM_BLE_APPEARANCE_HID_KEYBOARD: dev_class[1] = BTM_COD_MAJOR_PERIPHERAL; dev_class[2] = BTM_COD_MINOR_KEYBOARD; break; case BTM_BLE_APPEARANCE_HID_MOUSE: dev_class[1] = BTM_COD_MAJOR_PERIPHERAL; dev_class[2] = BTM_COD_MINOR_POINTING; break; case BTM_BLE_APPEARANCE_HID_JOYSTICK: dev_class[1] = BTM_COD_MAJOR_PERIPHERAL; dev_class[2] = BTM_COD_MINOR_JOYSTICK; break; case BTM_BLE_APPEARANCE_HID_GAMEPAD: dev_class[1] = BTM_COD_MAJOR_PERIPHERAL; dev_class[2] = BTM_COD_MINOR_GAMEPAD; break; case BTM_BLE_APPEARANCE_HID_DIGITIZER_TABLET: dev_class[1] = BTM_COD_MAJOR_PERIPHERAL; dev_class[2] = BTM_COD_MINOR_DIGITIZING_TABLET; break; case BTM_BLE_APPEARANCE_HID_CARD_READER: dev_class[1] = BTM_COD_MAJOR_PERIPHERAL; dev_class[2] = BTM_COD_MINOR_CARD_READER; break; case BTM_BLE_APPEARANCE_HID_DIGITAL_PEN: dev_class[1] = BTM_COD_MAJOR_PERIPHERAL; dev_class[2] = BTM_COD_MINOR_DIGITAL_PAN; break; case BTM_BLE_APPEARANCE_UKNOWN: case BTM_BLE_APPEARANCE_GENERIC_CLOCK: case BTM_BLE_APPEARANCE_GENERIC_TAG: case BTM_BLE_APPEARANCE_GENERIC_KEYRING: case BTM_BLE_APPEARANCE_GENERIC_CYCLING: case BTM_BLE_APPEARANCE_CYCLING_COMPUTER: case BTM_BLE_APPEARANCE_CYCLING_SPEED: case BTM_BLE_APPEARANCE_CYCLING_CADENCE: case BTM_BLE_APPEARANCE_CYCLING_POWER: case BTM_BLE_APPEARANCE_CYCLING_SPEED_CADENCE: case BTM_BLE_APPEARANCE_GENERIC_OUTDOOR_SPORTS: case BTM_BLE_APPEARANCE_OUTDOOR_SPORTS_LOCATION: case BTM_BLE_APPEARANCE_OUTDOOR_SPORTS_LOCATION_AND_NAV: case BTM_BLE_APPEARANCE_OUTDOOR_SPORTS_LOCATION_POD: case BTM_BLE_APPEARANCE_OUTDOOR_SPORTS_LOCATION_POD_AND_NAV: default: dev_class[1] = BTM_COD_MAJOR_UNCLASSIFIED; dev_class[2] = BTM_COD_MINOR_UNCLASSIFIED; }; } /******************************************************************************* ** ** Function btm_ble_update_inq_result ** ** Description Update adv packet information into inquiry result. ** ** Parameters ** ** Returns void ** *******************************************************************************/ BOOLEAN btm_ble_update_inq_result(tINQ_DB_ENT *p_i, UINT8 addr_type, UINT8 evt_type, UINT8 *p) { BOOLEAN to_report = TRUE; tBTM_INQ_RESULTS *p_cur = &p_i->inq_info.results; UINT8 len; UINT8 *p_flag; tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; UINT8 data_len, rssi; tBTM_BLE_INQ_CB *p_le_inq_cb = &btm_cb.ble_ctr_cb.inq_var; UINT8 *p1; UINT8 *p_uuid16; STREAM_TO_UINT8 (data_len, p); if (data_len > BTM_BLE_ADV_DATA_LEN_MAX) { BTM_TRACE_WARNING("EIR data too long %d. discard", data_len); return FALSE; } btm_ble_cache_adv_data(p_cur, data_len, p, evt_type); p1 = (p + data_len); STREAM_TO_UINT8 (rssi, p1); /* Save the info */ p_cur->inq_result_type = BTM_INQ_RESULT_BLE; p_cur->ble_addr_type = addr_type; p_cur->rssi = rssi; /* active scan, always wait until get scan_rsp to report the result */ if ((btm_cb.ble_ctr_cb.inq_var.scan_type == BTM_BLE_SCAN_MODE_ACTI && (evt_type == BTM_BLE_CONNECT_EVT || evt_type == BTM_BLE_DISCOVER_EVT))) { BTM_TRACE_DEBUG("btm_ble_update_inq_result scan_rsp=false, to_report=false,\ scan_type_active=%d", btm_cb.ble_ctr_cb.inq_var.scan_type); p_i->scan_rsp = FALSE; to_report = FALSE; } else { p_i->scan_rsp = TRUE; } if (p_i->inq_count != p_inq->inq_counter) { p_cur->device_type = BT_DEVICE_TYPE_BLE; } else { p_cur->device_type |= BT_DEVICE_TYPE_BLE; } if (evt_type != BTM_BLE_SCAN_RSP_EVT) { p_cur->ble_evt_type = evt_type; } p_i->inq_count = p_inq->inq_counter; /* Mark entry for current inquiry */ if (p_le_inq_cb->adv_len != 0) { if ((p_flag = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache, BTM_BLE_AD_TYPE_FLAG, &len)) != NULL) { p_cur->flag = * p_flag; } } if (p_le_inq_cb->adv_len != 0) { /* Check to see the BLE device has the Appearance UUID in the advertising data. If it does * then try to convert the appearance value to a class of device value Bluedroid can use. * Otherwise fall back to trying to infer if it is a HID device based on the service class. */ p_uuid16 = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache, BTM_BLE_AD_TYPE_APPEARANCE, &len); if (p_uuid16 && len == 2) { btm_ble_appearance_to_cod((UINT16)p_uuid16[0] | (p_uuid16[1] << 8), p_cur->dev_class); } else { if ((p_uuid16 = BTM_CheckAdvData(p_le_inq_cb->adv_data_cache, BTM_BLE_AD_TYPE_16SRV_CMPL, &len)) != NULL) { UINT8 i; for (i = 0; i + 2 <= len; i = i + 2) { #if BTA_HH_LE_INCLUDED == TRUE /* if this BLE device support HID over LE, set HID Major in class of device */ if ((p_uuid16[i] | (p_uuid16[i + 1] << 8)) == UUID_SERVCLASS_LE_HID) { p_cur->dev_class[0] = 0; p_cur->dev_class[1] = BTM_COD_MAJOR_PERIPHERAL; p_cur->dev_class[2] = 0; break; } #endif /* BTA_HH_LE_INCLUDED */ } } } } /* if BR/EDR not supported is not set, assume is a DUMO device */ if ((p_cur->flag & BTM_BLE_BREDR_NOT_SPT) == 0 && evt_type != BTM_BLE_CONNECT_DIR_EVT) { if (p_cur->ble_addr_type != BLE_ADDR_RANDOM) { BTM_TRACE_DEBUG("BR/EDR NOT support bit not set, treat as DUMO"); p_cur->device_type |= BT_DEVICE_TYPE_DUMO; } else { BTM_TRACE_DEBUG("Random address, treating device as LE only"); } } else { BTM_TRACE_DEBUG("BR/EDR NOT SUPPORT bit set, LE only device"); } return to_report; } /******************************************************************************* ** ** Function btm_clear_all_pending_le_entry ** ** Description This function is called to clear all LE pending entry in ** inquiry database. ** ** Returns void ** *******************************************************************************/ void btm_clear_all_pending_le_entry(void) { UINT16 xx; tINQ_DB_ENT *p_ent = btm_cb.btm_inq_vars.inq_db; for (xx = 0; xx < BTM_INQ_DB_SIZE; xx++, p_ent++) { /* mark all pending LE entry as unused if an LE only device has scan response outstanding */ if ((p_ent->in_use) && (p_ent->inq_info.results.device_type == BT_DEVICE_TYPE_BLE) && !p_ent->scan_rsp) { p_ent->in_use = FALSE; } } } /******************************************************************************* ** ** Function btm_send_sel_conn_callback ** ** Description send selection connection request callback. ** ** Parameters ** ** Returns void ** *******************************************************************************/ void btm_send_sel_conn_callback(BD_ADDR remote_bda, UINT8 evt_type, UINT8 *p_data, UINT8 addr_type) { UINT8 data_len, len; UINT8 *p_dev_name, remname[31] = {0}; UNUSED(addr_type); if (btm_cb.ble_ctr_cb.p_select_cback == NULL || /* non-connectable device */ (evt_type != BTM_BLE_EVT_CONN_ADV && evt_type != BTM_BLE_EVT_CONN_DIR_ADV)) { return; } STREAM_TO_UINT8 (data_len, p_data); /* get the device name if exist in ADV data */ if (data_len != 0) { p_dev_name = BTM_CheckAdvData(p_data, BTM_BLE_AD_TYPE_NAME_CMPL, &len); if (p_dev_name == NULL) { p_dev_name = BTM_CheckAdvData(p_data, BTM_BLE_AD_TYPE_NAME_SHORT, &len); } if (p_dev_name) { memcpy(remname, p_dev_name, len); } } /* allow connection */ if ((* btm_cb.ble_ctr_cb.p_select_cback)(remote_bda, remname)) { /* terminate selective connection, initiate connection */ btm_ble_initiate_select_conn(remote_bda); } } /******************************************************************************* ** ** Function btm_ble_process_adv_pkt ** ** Description This function is called when adv packet report events are ** received from the device. It updates the inquiry database. ** If the inquiry database is full, the oldest entry is discarded. ** ** Parameters ** ** Returns void ** *******************************************************************************/ void btm_ble_process_adv_pkt (UINT8 *p_data) { BD_ADDR bda; UINT8 evt_type = 0, *p = p_data; UINT8 addr_type = 0; UINT8 num_reports; UINT8 data_len; #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE) BOOLEAN match = FALSE; #endif /* Only process the results if the inquiry is still active */ if (!BTM_BLE_IS_SCAN_ACTIVE(btm_cb.ble_ctr_cb.scan_activity)) { return; } /* Extract the number of reports in this event. */ STREAM_TO_UINT8(num_reports, p); while (num_reports--) { /* Extract inquiry results */ STREAM_TO_UINT8 (evt_type, p); STREAM_TO_UINT8 (addr_type, p); STREAM_TO_BDADDR (bda, p); //BTM_TRACE_ERROR("btm_ble_process_adv_pkt:bda= %0x:%0x:%0x:%0x:%0x:%0x\n", // bda[0],bda[1],bda[2],bda[3],bda[4],bda[5]); #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE) /* map address to security record */ match = btm_identity_addr_to_random_pseudo(bda, &addr_type, FALSE); // BTM_TRACE_ERROR("btm_ble_process_adv_pkt:bda= %0x:%0x:%0x:%0x:%0x:%0x\n", // bda[0],bda[1],bda[2],bda[3],bda[4],bda[5]); /* always do RRA resolution on host */ if (!match && BTM_BLE_IS_RESOLVE_BDA(bda)) { btm_ble_resolve_random_addr(bda, btm_ble_resolve_random_addr_on_adv, p_data); } else #endif btm_ble_process_adv_pkt_cont(bda, addr_type, evt_type, p); STREAM_TO_UINT8(data_len, p); /* Advance to the next event data_len + rssi byte */ p += data_len + 1; } } /******************************************************************************* ** ** Function btm_ble_process_adv_pkt_cont ** ** Description This function is called after random address resolution is ** done, and proceed to process adv packet. ** ** Parameters ** ** Returns void ** *******************************************************************************/ static void btm_ble_process_adv_pkt_cont(BD_ADDR bda, UINT8 addr_type, UINT8 evt_type, UINT8 *p) { tINQ_DB_ENT *p_i; tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; tBTM_INQ_RESULTS_CB *p_inq_results_cb = p_inq->p_inq_results_cb; tBTM_INQ_RESULTS_CB *p_obs_results_cb = btm_cb.ble_ctr_cb.p_obs_results_cb; tBTM_INQ_RESULTS_CB *p_scan_results_cb = btm_cb.ble_ctr_cb.p_scan_results_cb; tBTM_BLE_INQ_CB *p_le_inq_cb = &btm_cb.ble_ctr_cb.inq_var; BOOLEAN update = TRUE; UINT8 result = 0; p_i = btm_inq_db_find (bda); /* Check if this address has already been processed for this inquiry */ if (btm_inq_find_bdaddr(bda)) { /* never been report as an LE device */ if (p_i && (!(p_i->inq_info.results.device_type & BT_DEVICE_TYPE_BLE) || /* scan repsonse to be updated */ (!p_i->scan_rsp))) { update = TRUE; } else if (BTM_BLE_IS_DISCO_ACTIVE(btm_cb.ble_ctr_cb.scan_activity)) { update = FALSE; } else { /* if yes, skip it */ return; /* assumption: one result per event */ } } /* If existing entry, use that, else get a new one (possibly reusing the oldest) */ if (p_i == NULL) { if ((p_i = btm_inq_db_new (bda)) != NULL) { p_inq->inq_cmpl_info.num_resp++; } else { return; } } else if (p_i->inq_count != p_inq->inq_counter) { /* first time seen in this inquiry */ p_inq->inq_cmpl_info.num_resp++; } /* update the LE device information in inquiry database */ if (!btm_ble_update_inq_result(p_i, addr_type, evt_type, p)) { return; } if ((result = btm_ble_is_discoverable(bda, evt_type, p)) == 0) { LOG_WARN("%s device is no longer discoverable so discarding advertising packet pkt", __func__); return; } if (!update) { result &= ~BTM_BLE_INQ_RESULT; } /* If the number of responses found and limited, issue a cancel inquiry */ if (p_inq->inqparms.max_resps && p_inq->inq_cmpl_info.num_resp == p_inq->inqparms.max_resps) { /* new device */ if (p_i == NULL || /* assume a DUMO device, BR/EDR inquiry is always active */ (p_i && (p_i->inq_info.results.device_type & BT_DEVICE_TYPE_BLE) == BT_DEVICE_TYPE_BLE && p_i->scan_rsp)) { BTM_TRACE_WARNING("INQ RES: Extra Response Received...cancelling inquiry.."); /* if is non-periodic inquiry active, cancel now */ if ((p_inq->inq_active & BTM_BR_INQ_ACTIVE_MASK) != 0 && (p_inq->inq_active & BTM_PERIODIC_INQUIRY_ACTIVE) == 0) { btsnd_hcic_inq_cancel(); } btm_ble_stop_inquiry(); btm_acl_update_busy_level (BTM_BLI_INQ_DONE_EVT); } } /* background connection in selective connection mode */ if (btm_cb.ble_ctr_cb.bg_conn_type == BTM_BLE_CONN_SELECTIVE) { if (result & BTM_BLE_SEL_CONN_RESULT) { btm_send_sel_conn_callback(bda, evt_type, p, addr_type); } else { BTM_TRACE_DEBUG("None LE device, can not initiate selective connection\n"); } } else { if (p_inq_results_cb && (result & BTM_BLE_INQ_RESULT)) { (p_inq_results_cb)((tBTM_INQ_RESULTS *) &p_i->inq_info.results, p_le_inq_cb->adv_data_cache); } if (p_obs_results_cb && (result & BTM_BLE_OBS_RESULT)) { (p_obs_results_cb)((tBTM_INQ_RESULTS *) &p_i->inq_info.results, p_le_inq_cb->adv_data_cache); } if (p_scan_results_cb && (result & BTM_BLE_DISCO_RESULT)) { (p_scan_results_cb)((tBTM_INQ_RESULTS *) &p_i->inq_info.results, p_le_inq_cb->adv_data_cache); } } } static void btm_ble_recover_scan_params(void) { tBTM_BLE_INQ_CB *p_inq = &btm_cb.ble_ctr_cb.inq_var; if (p_inq->scan_params_set) { /// set back the scan params to the controller after stop the scan btsnd_hcic_ble_set_scan_params(p_inq->scan_type, p_inq->scan_interval, p_inq->scan_window, btm_cb.ble_ctr_cb.addr_mgnt_cb.own_addr_type, p_inq->sfp); } else { /// set the default value if the scan params not set yet btm_update_scanner_filter_policy(SP_ADV_ALL); btm_cb.ble_ctr_cb.wl_state &= ~BTM_BLE_WL_SCAN; } } /******************************************************************************* ** ** Function btm_ble_start_scan ** ** Description Start the BLE scan. ** ** Returns void ** *******************************************************************************/ tBTM_STATUS btm_ble_start_scan(void) { tBTM_BLE_INQ_CB *p_inq = &btm_cb.ble_ctr_cb.inq_var; tBTM_STATUS status = BTM_CMD_STARTED; // recoverly the scan parameters to the controller before start scan btm_ble_recover_scan_params(); /* start scan, disable duplicate filtering */ if (!btsnd_hcic_ble_set_scan_enable (BTM_BLE_SCAN_ENABLE, p_inq->scan_duplicate_filter)) { status = BTM_NO_RESOURCES; } else { btm_cb.ble_ctr_cb.inq_var.state = BTM_BLE_SCANNING; if (p_inq->scan_type == BTM_BLE_SCAN_MODE_ACTI) { btm_ble_set_topology_mask(BTM_BLE_STATE_ACTIVE_SCAN_BIT); } else { btm_ble_set_topology_mask(BTM_BLE_STATE_PASSIVE_SCAN_BIT); } } return status; } /******************************************************************************* ** ** Function btm_ble_stop_scan ** ** Description Stop the BLE scan. ** ** Returns void ** *******************************************************************************/ void btm_ble_stop_scan(void) { BTM_TRACE_EVENT ("btm_ble_stop_scan "); /* Clear the inquiry callback if set */ btm_cb.ble_ctr_cb.inq_var.scan_type = BTM_BLE_SCAN_MODE_NONE; btm_cb.ble_ctr_cb.inq_var.state = BTM_BLE_STOP_SCAN; /* stop discovery now */ btsnd_hcic_ble_set_scan_enable (BTM_BLE_SCAN_DISABLE, BTM_BLE_DUPLICATE_ENABLE); btm_update_scanner_filter_policy(SP_ADV_ALL); btm_cb.ble_ctr_cb.wl_state &= ~BTM_BLE_WL_SCAN; } /******************************************************************************* ** ** Function btm_ble_stop_inquiry ** ** Description Stop the BLE Inquiry. ** ** Returns void ** *******************************************************************************/ void btm_ble_stop_inquiry(void) { tBTM_INQUIRY_VAR_ST *p_inq = &btm_cb.btm_inq_vars; tBTM_BLE_CB *p_ble_cb = &btm_cb.ble_ctr_cb; btu_stop_timer (&p_ble_cb->inq_var.inq_timer_ent); p_ble_cb->scan_activity &= ~BTM_BLE_INQUIRY_MASK; /* If no more scan activity, stop LE scan now */ if (!BTM_BLE_IS_SCAN_ACTIVE(p_ble_cb->scan_activity)) { btm_ble_stop_scan(); } else if ((p_ble_cb->inq_var.scan_interval != BTM_BLE_LOW_LATENCY_SCAN_INT) || (p_ble_cb->inq_var.scan_window != BTM_BLE_LOW_LATENCY_SCAN_WIN)) { BTM_TRACE_DEBUG("%s: setting default params for ongoing observe", __FUNCTION__); btm_ble_stop_scan(); btm_ble_start_scan(); } /* If we have a callback registered for inquiry complete, call it */ BTM_TRACE_DEBUG ("BTM Inq Compl Callback: status 0x%02x, num results %d", p_inq->inq_cmpl_info.status, p_inq->inq_cmpl_info.num_resp); btm_process_inq_complete(HCI_SUCCESS, (UINT8)(p_inq->inqparms.mode & BTM_BLE_INQUIRY_MASK)); } /******************************************************************************* ** ** Function btm_ble_stop_observe ** ** Description Stop the BLE Observe. ** ** Returns void ** *******************************************************************************/ static void btm_ble_stop_observe(void) { tBTM_BLE_CB *p_ble_cb = & btm_cb.ble_ctr_cb; tBTM_CMPL_CB *p_obs_cb = p_ble_cb->p_obs_cmpl_cb; btu_stop_timer (&p_ble_cb->obs_timer_ent); p_ble_cb->scan_activity &= ~BTM_LE_OBSERVE_ACTIVE; p_ble_cb->p_obs_results_cb = NULL; p_ble_cb->p_obs_cmpl_cb = NULL; if (!BTM_BLE_IS_SCAN_ACTIVE(p_ble_cb->scan_activity)) { btm_ble_stop_scan(); } if (p_obs_cb) { (p_obs_cb)((tBTM_INQUIRY_CMPL *) &btm_cb.btm_inq_vars.inq_cmpl_info); } } /******************************************************************************* ** ** Function btm_ble_stop_observe ** ** Description Stop the BLE Observe. ** ** Returns void ** *******************************************************************************/ static void btm_ble_stop_discover(void) { tBTM_BLE_CB *p_ble_cb = & btm_cb.ble_ctr_cb; tBTM_CMPL_CB *p_scan_cb = p_ble_cb->p_scan_cmpl_cb; btu_stop_timer (&p_ble_cb->scan_timer_ent); p_ble_cb->scan_activity &= ~BTM_LE_DISCOVER_ACTIVE; p_ble_cb->p_scan_results_cb = NULL; p_ble_cb->p_scan_cmpl_cb = NULL; if (!BTM_BLE_IS_SCAN_ACTIVE(p_ble_cb->scan_activity)) { /* Clear the inquiry callback if set */ btm_cb.ble_ctr_cb.inq_var.scan_type = BTM_BLE_SCAN_MODE_NONE; btm_cb.ble_ctr_cb.inq_var.state = BTM_BLE_STOP_SCAN; /* stop discovery now */ btsnd_hcic_ble_set_scan_enable (BTM_BLE_SCAN_DISABLE, BTM_BLE_DUPLICATE_ENABLE); // recoverly the scan parameters to the controller after stop scan btm_ble_recover_scan_params(); } if (p_scan_cb) { (p_scan_cb)((tBTM_INQUIRY_CMPL *) &btm_cb.btm_inq_vars.inq_cmpl_info); } } /******************************************************************************* ** ** Function btm_ble_adv_states_operation ** ** Description Set or clear adv states in topology mask ** ** Returns operation status. TRUE if sucessful, FALSE otherwise. ** *******************************************************************************/ typedef BOOLEAN (BTM_TOPOLOGY_FUNC_PTR)(tBTM_BLE_STATE_MASK); static BOOLEAN btm_ble_adv_states_operation(BTM_TOPOLOGY_FUNC_PTR *p_handler, UINT8 adv_evt) { BOOLEAN rt = FALSE; switch (adv_evt) { case BTM_BLE_CONNECT_EVT: rt = (*p_handler)(BTM_BLE_STATE_CONN_ADV_BIT); break; case BTM_BLE_NON_CONNECT_EVT: rt = (*p_handler) (BTM_BLE_STATE_NON_CONN_ADV_BIT); break; case BTM_BLE_CONNECT_DIR_EVT: rt = (*p_handler) (BTM_BLE_STATE_HI_DUTY_DIR_ADV_BIT); break; case BTM_BLE_DISCOVER_EVT: rt = (*p_handler) (BTM_BLE_STATE_SCAN_ADV_BIT); break; case BTM_BLE_CONNECT_LO_DUTY_DIR_EVT: rt = (*p_handler) (BTM_BLE_STATE_LO_DUTY_DIR_ADV_BIT); break; default: BTM_TRACE_ERROR("unknown adv event : %d", adv_evt); break; } return rt; } /******************************************************************************* ** ** Function btm_ble_start_adv ** ** Description start the BLE advertising. ** ** Returns void ** *******************************************************************************/ tBTM_STATUS btm_ble_start_adv(void) { tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var; tBTM_STATUS rt = BTM_NO_RESOURCES; BTM_TRACE_EVENT ("btm_ble_start_adv\n"); if (!btm_ble_adv_states_operation (btm_ble_topology_check, p_cb->evt_type)) { return BTM_WRONG_MODE; } #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE) /* To relax resolving list, always have resolving list enabled, unless directed adv */ if (p_cb->evt_type != BTM_BLE_CONNECT_LO_DUTY_DIR_EVT && p_cb->evt_type != BTM_BLE_CONNECT_DIR_EVT) /* enable resolving list is desired */ { btm_ble_enable_resolving_list_for_platform(BTM_BLE_RL_ADV); } #endif if (p_cb->afp != AP_SCAN_CONN_ALL) { //find the device in the btm dev buffer and write it to the controller white list btm_execute_wl_dev_operation(); btm_cb.ble_ctr_cb.wl_state |= BTM_BLE_WL_ADV; } if (btsnd_hcic_ble_set_adv_enable (BTM_BLE_ADV_ENABLE)) { p_cb->adv_mode = BTM_BLE_ADV_ENABLE; p_cb->state = BTM_BLE_ADVERTISING; btm_ble_adv_states_operation(btm_ble_set_topology_mask, p_cb->evt_type); rt = BTM_SUCCESS; BTM_TRACE_EVENT ("BTM_SUCCESS\n"); } else { p_cb->adv_mode = BTM_BLE_ADV_DISABLE; btm_cb.ble_ctr_cb.wl_state &= ~BTM_BLE_WL_ADV; } return rt; } /******************************************************************************* ** ** Function btm_ble_stop_adv ** ** Description Stop the BLE advertising. ** ** Returns void ** *******************************************************************************/ tBTM_STATUS btm_ble_stop_adv(void) { tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var; tBTM_STATUS rt = BTM_SUCCESS; if (p_cb->adv_mode == BTM_BLE_ADV_ENABLE) { if (btsnd_hcic_ble_set_adv_enable (BTM_BLE_ADV_DISABLE)) { p_cb->fast_adv_on = FALSE; p_cb->adv_mode = BTM_BLE_ADV_DISABLE; p_cb->state = BTM_BLE_STOP_ADV; btm_cb.ble_ctr_cb.wl_state &= ~BTM_BLE_WL_ADV; /* clear all adv states */ btm_ble_clear_topology_mask (BTM_BLE_STATE_ALL_ADV_MASK); } else { rt = BTM_NO_RESOURCES; } } return rt; } /******************************************************************************* ** ** Function btm_ble_start_slow_adv ** ** Description Restart adv with slow adv interval ** ** Returns void ** *******************************************************************************/ static void btm_ble_start_slow_adv (void) { tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var; if (p_cb->adv_mode == BTM_BLE_ADV_ENABLE) { tBTM_LE_RANDOM_CB *p_addr_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb; BD_ADDR p_addr_ptr = {0}; tBLE_ADDR_TYPE init_addr_type = BLE_ADDR_PUBLIC; tBLE_ADDR_TYPE own_addr_type = p_addr_cb->own_addr_type; btm_ble_stop_adv(); p_cb->evt_type = btm_set_conn_mode_adv_init_addr(p_cb, p_addr_ptr, &init_addr_type, &own_addr_type); /* slow adv mode never goes into directed adv */ btsnd_hcic_ble_write_adv_params (BTM_BLE_GAP_ADV_SLOW_INT, BTM_BLE_GAP_ADV_SLOW_INT, p_cb->evt_type, own_addr_type, init_addr_type, p_addr_ptr, p_cb->adv_chnl_map, p_cb->afp); btm_ble_start_adv(); } } /******************************************************************************* ** ** Function btm_ble_timeout ** ** Description Called when BTM BLE inquiry timer expires ** ** Returns void ** *******************************************************************************/ void btm_ble_timeout(TIMER_LIST_ENT *p_tle) { BTM_TRACE_EVENT ("btm_ble_timeout"); switch (p_tle->event) { case BTU_TTYPE_BLE_OBSERVE: btm_ble_stop_observe(); break; case BTU_TTYPE_BLE_SCAN: btm_ble_stop_discover(); break; case BTU_TTYPE_BLE_INQUIRY: btm_ble_stop_inquiry(); break; case BTU_TTYPE_BLE_GAP_LIM_DISC: /* lim_timeout expiried, limited discovery should exit now */ btm_cb.btm_inq_vars.discoverable_mode &= ~BTM_BLE_LIMITED_DISCOVERABLE; btm_ble_set_adv_flag(btm_cb.btm_inq_vars.connectable_mode, btm_cb.btm_inq_vars.discoverable_mode); break; case BTU_TTYPE_BLE_RANDOM_ADDR: if (btm_cb.ble_ctr_cb.addr_mgnt_cb.own_addr_type == BLE_ADDR_RANDOM) { if (NULL == (void *)(p_tle->param)) { /* refresh the random addr */ btm_gen_resolvable_private_addr((void *)btm_gen_resolve_paddr_low); } else { if (BTM_BleMaxMultiAdvInstanceCount() > 0) { btm_ble_multi_adv_configure_rpa((tBTM_BLE_MULTI_ADV_INST *)p_tle->param); } } } break; case BTU_TTYPE_BLE_GAP_FAST_ADV: /* fast adv is completed, fall back to slow adv interval */ btm_ble_start_slow_adv(); break; default: break; } } /******************************************************************************* ** ** Function btm_ble_read_remote_features_complete ** ** Description This function is called when the command complete message ** is received from the HCI for the read LE remote feature supported ** complete event. ** ** Returns void ** *******************************************************************************/ void btm_ble_read_remote_features_complete(UINT8 *p) { tACL_CONN *p_acl_cb = &btm_cb.acl_db[0]; UINT16 handle; UINT8 status; int xx; BTM_TRACE_EVENT ("btm_ble_read_remote_features_complete "); STREAM_TO_UINT8(status, p); // if LE read remote feature failed for HCI_ERR_CONN_FAILED_ESTABLISHMENT, // expect disconnect complete to be received if (status != HCI_ERR_CONN_FAILED_ESTABLISHMENT) { STREAM_TO_UINT16 (handle, p); /* Look up the connection by handle and copy features */ for (xx = 0; xx < MAX_L2CAP_LINKS; xx++, p_acl_cb++) { if ((p_acl_cb->in_use) && (p_acl_cb->hci_handle == handle)) { STREAM_TO_ARRAY(p_acl_cb->peer_le_features, p, BD_FEATURES_LEN); #if BLE_INCLUDED == TRUE /* In the original Bluedroid version, slave need to send LL_VERSION_IND(call btsnd_hcic_rmt_ver_req) * to remote device if it has not received ll_version_ind. * Delete it to resolve Android 7.0 incompatible problem. But it may cause that slave host * can't get remote device's version.*/ if (p_acl_cb->link_role == HCI_ROLE_MASTER){ btsnd_hcic_rmt_ver_req (p_acl_cb->hci_handle); } else{ if (p_acl_cb->transport == BT_TRANSPORT_LE) { if (HCI_LE_DATA_LEN_EXT_SUPPORTED(p_acl_cb->peer_le_features)) { uint16_t data_length = controller_get_interface()->get_ble_default_data_packet_length(); uint16_t data_txtime = controller_get_interface()->get_ble_default_data_packet_txtime(); btsnd_hcic_ble_set_data_length(p_acl_cb->hci_handle, data_length, data_txtime); } l2cble_notify_le_connection (p_acl_cb->remote_addr); } } #endif break; } } } } /******************************************************************************* ** ** Function btm_ble_write_adv_enable_complete ** ** Description This function process the write adv enable command complete. ** ** Returns void ** *******************************************************************************/ void btm_ble_write_adv_enable_complete(UINT8 *p) { tBTM_BLE_INQ_CB *p_cb = &btm_cb.ble_ctr_cb.inq_var; /* if write adv enable/disbale not succeed */ if (*p != HCI_SUCCESS) { /* toggle back the adv mode */ p_cb->adv_mode = !p_cb->adv_mode; } } /******************************************************************************* ** ** Function btm_ble_dir_adv_tout ** ** Description when directed adv time out ** ** Returns void ** *******************************************************************************/ void btm_ble_dir_adv_tout(void) { btm_cb.ble_ctr_cb.inq_var.adv_mode = BTM_BLE_ADV_DISABLE; /* make device fall back into undirected adv mode by default */ btm_cb.ble_ctr_cb.inq_var.directed_conn = FALSE; } /******************************************************************************* ** ** Function btm_ble_set_topology_mask ** ** Description set BLE topology mask ** ** Returns TRUE is request is allowed, FALSE otherwise. ** *******************************************************************************/ BOOLEAN btm_ble_set_topology_mask(tBTM_BLE_STATE_MASK request_state_mask) { request_state_mask &= BTM_BLE_STATE_ALL_MASK; btm_cb.ble_ctr_cb.cur_states |= (request_state_mask & BTM_BLE_STATE_ALL_MASK); return TRUE; } /******************************************************************************* ** ** Function btm_ble_clear_topology_mask ** ** Description Clear BLE topology bit mask ** ** Returns TRUE is request is allowed, FALSE otherwise. ** *******************************************************************************/ BOOLEAN btm_ble_clear_topology_mask (tBTM_BLE_STATE_MASK request_state_mask) { request_state_mask &= BTM_BLE_STATE_ALL_MASK; btm_cb.ble_ctr_cb.cur_states &= ~request_state_mask; return TRUE; } /******************************************************************************* ** ** Function btm_ble_update_link_topology_mask ** ** Description This function update the link topology mask ** ** Returns void ** *******************************************************************************/ void btm_ble_update_link_topology_mask(UINT8 link_role, BOOLEAN increase) { btm_ble_clear_topology_mask (BTM_BLE_STATE_ALL_CONN_MASK); if (increase) { btm_cb.ble_ctr_cb.link_count[link_role]++; } else if (btm_cb.ble_ctr_cb.link_count[link_role] > 0) { btm_cb.ble_ctr_cb.link_count[link_role]--; } if (btm_cb.ble_ctr_cb.link_count[HCI_ROLE_MASTER]) { btm_ble_set_topology_mask (BTM_BLE_STATE_MASTER_BIT); } if (btm_cb.ble_ctr_cb.link_count[HCI_ROLE_SLAVE]) { btm_ble_set_topology_mask(BTM_BLE_STATE_SLAVE_BIT); } if (link_role == HCI_ROLE_SLAVE && increase) { btm_cb.ble_ctr_cb.inq_var.adv_mode = BTM_BLE_ADV_DISABLE; /* make device fall back into undirected adv mode by default */ btm_cb.ble_ctr_cb.inq_var.directed_conn = BTM_BLE_CONNECT_EVT; /* clear all adv states */ btm_ble_clear_topology_mask(BTM_BLE_STATE_ALL_ADV_MASK); } } /******************************************************************************* ** ** Function btm_ble_update_mode_operation ** ** Description This function update the GAP role operation when a link status ** is updated. ** ** Returns void ** *******************************************************************************/ void btm_ble_update_mode_operation(UINT8 link_role, BD_ADDR bd_addr, UINT8 status) { if (status == HCI_ERR_DIRECTED_ADVERTISING_TIMEOUT) { btm_cb.ble_ctr_cb.inq_var.adv_mode = BTM_BLE_ADV_DISABLE; /* make device fall back into undirected adv mode by default */ btm_cb.ble_ctr_cb.inq_var.directed_conn = BTM_BLE_CONNECT_EVT; /* clear all adv states */ btm_ble_clear_topology_mask (BTM_BLE_STATE_ALL_ADV_MASK); } if (btm_cb.ble_ctr_cb.inq_var.connectable_mode == BTM_BLE_CONNECTABLE) { btm_ble_set_connectability(btm_cb.btm_inq_vars.connectable_mode | btm_cb.ble_ctr_cb.inq_var.connectable_mode); } /* when no connection is attempted, and controller is not rejecting last request due to resource limitation, start next direct connection or background connection now in order */ if (btm_ble_get_conn_st() == BLE_CONN_IDLE && status != HCI_ERR_HOST_REJECT_RESOURCES && !btm_send_pending_direct_conn()) { btm_ble_resume_bg_conn(); } } /******************************************************************************* ** ** Function btm_ble_init ** ** Description Initialize the control block variable values. ** ** Returns void ** *******************************************************************************/ void btm_ble_init (void) { tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb; BTM_TRACE_DEBUG("%s", __func__); memset(p_cb, 0, sizeof(tBTM_BLE_CB)); memset(&(btm_cb.cmn_ble_vsc_cb), 0 , sizeof(tBTM_BLE_VSC_CB)); btm_cb.cmn_ble_vsc_cb.values_read = FALSE; p_cb->cur_states = 0; p_cb->conn_pending_q = fixed_queue_new(SIZE_MAX); p_cb->inq_var.adv_mode = BTM_BLE_ADV_DISABLE; p_cb->inq_var.scan_type = BTM_BLE_SCAN_MODE_NONE; p_cb->inq_var.adv_chnl_map = BTM_BLE_DEFAULT_ADV_CHNL_MAP; p_cb->inq_var.afp = BTM_BLE_DEFAULT_AFP; p_cb->inq_var.sfp = BTM_BLE_DEFAULT_SFP; p_cb->inq_var.connectable_mode = BTM_BLE_NON_CONNECTABLE; p_cb->inq_var.discoverable_mode = BTM_BLE_NON_DISCOVERABLE; /* for background connection, reset connection params to be undefined */ p_cb->scan_int = p_cb->scan_win = BTM_BLE_SCAN_PARAM_UNDEF; p_cb->inq_var.evt_type = BTM_BLE_NON_CONNECT_EVT; #if BLE_VND_INCLUDED == FALSE btm_ble_adv_filter_init(); #endif } /******************************************************************************* ** ** Function btm_ble_free ** ** Description free the control block variable values. ** ** Returns void ** *******************************************************************************/ void btm_ble_free (void) { tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb; BTM_TRACE_DEBUG("%s", __func__); fixed_queue_free(p_cb->conn_pending_q, osi_free_func); } /******************************************************************************* ** ** Function btm_ble_topology_check ** ** Description check to see requested state is supported. One state check at ** a time is supported ** ** Returns TRUE is request is allowed, FALSE otherwise. ** *******************************************************************************/ BOOLEAN btm_ble_topology_check(tBTM_BLE_STATE_MASK request_state_mask) { BOOLEAN rt = FALSE; UINT8 state_offset = 0; UINT16 cur_states = btm_cb.ble_ctr_cb.cur_states; UINT8 mask, offset; UINT8 request_state = 0; /* check only one bit is set and within valid range */ if (request_state_mask == BTM_BLE_STATE_INVALID || request_state_mask > BTM_BLE_STATE_SCAN_ADV_BIT || (request_state_mask & (request_state_mask - 1 )) != 0) { BTM_TRACE_ERROR("illegal state requested: %d", request_state_mask); return rt; } while (request_state_mask) { request_state_mask >>= 1; request_state ++; } /* check if the requested state is supported or not */ mask = btm_le_state_combo_tbl[0][request_state - 1][0]; offset = btm_le_state_combo_tbl[0][request_state - 1][1]; const uint8_t *ble_supported_states = controller_get_interface()->get_ble_supported_states(); if (!BTM_LE_STATES_SUPPORTED(ble_supported_states, mask, offset)) { BTM_TRACE_ERROR("state requested not supported: %d", request_state); return rt; } rt = TRUE; /* make sure currently active states are all supported in conjunction with the requested state. If the bit in table is not set, the combination is not supported */ while (cur_states != 0) { if (cur_states & 0x01) { mask = btm_le_state_combo_tbl[request_state][state_offset][0]; offset = btm_le_state_combo_tbl[request_state][state_offset][1]; if (mask != 0 && offset != 0) { if (!BTM_LE_STATES_SUPPORTED(ble_supported_states, mask, offset)) { rt = FALSE; break; } } } cur_states >>= 1; state_offset ++; } return rt; } #endif /* BLE_INCLUDED */