/****************************************************************************** * * Copyright (C) 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. * ******************************************************************************/ #include <string.h> #include "bt_target.h" #if (BLE_INCLUDED == TRUE) #include "bt_types.h" #include "hcimsgs.h" #include "btu.h" #include "btm_int.h" #include "bt_utils.h" #include "hcidefs.h" #include "btm_ble_api.h" /* length of each multi adv sub command */ #define BTM_BLE_MULTI_ADV_ENB_LEN 3 #define BTM_BLE_MULTI_ADV_SET_PARAM_LEN 24 #define BTM_BLE_MULTI_ADV_WRITE_DATA_LEN (BTM_BLE_AD_DATA_LEN + 3) #define BTM_BLE_MULTI_ADV_SET_RANDOM_ADDR_LEN 8 tBTM_BLE_MULTI_ADV_CB btm_multi_adv_cb; tBTM_BLE_MULTI_ADV_INST_IDX_Q btm_multi_adv_idx_q; #define BTM_BLE_MULTI_ADV_CB_EVT_MASK 0xF0 #define BTM_BLE_MULTI_ADV_SUBCODE_MASK 0x0F /******************************************************************************* ** ** Function btm_ble_multi_adv_enq_op_q ** ** Description enqueue a multi adv operation in q to check command complete ** status. ** ** Returns void ** *******************************************************************************/ void btm_ble_multi_adv_enq_op_q(UINT8 opcode, UINT8 inst_id, UINT8 cb_evt) { tBTM_BLE_MULTI_ADV_OPQ *p_op_q = &btm_multi_adv_cb.op_q; p_op_q->p_inst_id[p_op_q->next_idx] = inst_id; p_op_q->p_sub_code[p_op_q->next_idx] = (opcode |(cb_evt << 4)); p_op_q->next_idx = (p_op_q->next_idx + 1) % BTM_BleMaxMultiAdvInstanceCount(); } /******************************************************************************* ** ** Function btm_ble_multi_adv_deq_op_q ** ** Description dequeue a multi adv operation from q when command complete ** is received. ** ** Returns void ** *******************************************************************************/ void btm_ble_multi_adv_deq_op_q(UINT8 *p_opcode, UINT8 *p_inst_id, UINT8 *p_cb_evt) { tBTM_BLE_MULTI_ADV_OPQ *p_op_q = &btm_multi_adv_cb.op_q; *p_inst_id = p_op_q->p_inst_id[p_op_q->pending_idx] & 0x7F; *p_cb_evt = (p_op_q->p_sub_code[p_op_q->pending_idx] >> 4); *p_opcode = (p_op_q->p_sub_code[p_op_q->pending_idx] & BTM_BLE_MULTI_ADV_SUBCODE_MASK); p_op_q->pending_idx = (p_op_q->pending_idx + 1) % BTM_BleMaxMultiAdvInstanceCount(); } /******************************************************************************* ** ** Function btm_ble_multi_adv_vsc_cmpl_cback ** ** Description Multi adv VSC complete callback ** ** Parameters ** ** Returns void ** *******************************************************************************/ void btm_ble_multi_adv_vsc_cmpl_cback (tBTM_VSC_CMPL *p_params) { UINT8 status, subcode; UINT8 *p = p_params->p_param_buf, inst_id; UINT16 len = p_params->param_len; tBTM_BLE_MULTI_ADV_INST *p_inst ; UINT8 cb_evt = 0, opcode; if (len < 2) { BTM_TRACE_ERROR("wrong length for btm_ble_multi_adv_vsc_cmpl_cback"); return; } STREAM_TO_UINT8(status, p); STREAM_TO_UINT8(subcode, p); btm_ble_multi_adv_deq_op_q(&opcode, &inst_id, &cb_evt); BTM_TRACE_DEBUG("op_code = %02x inst_id = %d cb_evt = %02x", opcode, inst_id, cb_evt); if (opcode != subcode || inst_id == 0) { BTM_TRACE_ERROR("get unexpected VSC cmpl, expect: %d get: %d",subcode,opcode); return; } p_inst = &btm_multi_adv_cb.p_adv_inst[inst_id - 1]; switch (subcode) { case BTM_BLE_MULTI_ADV_ENB: BTM_TRACE_DEBUG("BTM_BLE_MULTI_ADV_ENB status = %d", status); if (status != HCI_SUCCESS) { btm_multi_adv_cb.p_adv_inst[inst_id-1].inst_id = 0; } break; case BTM_BLE_MULTI_ADV_SET_PARAM: { BTM_TRACE_DEBUG("BTM_BLE_MULTI_ADV_SET_PARAM status = %d", status); break; } case BTM_BLE_MULTI_ADV_WRITE_ADV_DATA: { BTM_TRACE_DEBUG("BTM_BLE_MULTI_ADV_WRITE_ADV_DATA status = %d", status); break; } case BTM_BLE_MULTI_ADV_WRITE_SCAN_RSP_DATA: { BTM_TRACE_DEBUG("BTM_BLE_MULTI_ADV_WRITE_SCAN_RSP_DATA status = %d", status); break; } case BTM_BLE_MULTI_ADV_SET_RANDOM_ADDR: { BTM_TRACE_DEBUG("BTM_BLE_MULTI_ADV_SET_RANDOM_ADDR status = %d", status); break; } default: break; } if (cb_evt != 0 && p_inst->p_cback != NULL) { (p_inst->p_cback)(cb_evt, inst_id, p_inst->p_ref, status); } return; } /******************************************************************************* ** ** Function btm_ble_enable_multi_adv ** ** Description This function enable the customer specific feature in controller ** ** Parameters enable: enable or disable ** inst_id: adv instance ID, can not be 0 ** ** Returns status ** *******************************************************************************/ tBTM_STATUS btm_ble_enable_multi_adv (BOOLEAN enable, UINT8 inst_id, UINT8 cb_evt) { UINT8 param[BTM_BLE_MULTI_ADV_ENB_LEN], *pp; UINT8 enb = enable ? 1: 0; tBTM_STATUS rt; pp = param; memset(param, 0, BTM_BLE_MULTI_ADV_ENB_LEN); UINT8_TO_STREAM (pp, BTM_BLE_MULTI_ADV_ENB); UINT8_TO_STREAM (pp, enb); UINT8_TO_STREAM (pp, inst_id); BTM_TRACE_EVENT (" btm_ble_enable_multi_adv: enb %d, Inst ID %d",enb,inst_id); if ((rt = BTM_VendorSpecificCommand (HCI_BLE_MULTI_ADV_OCF, BTM_BLE_MULTI_ADV_ENB_LEN, param, btm_ble_multi_adv_vsc_cmpl_cback)) == BTM_CMD_STARTED) { btm_ble_multi_adv_enq_op_q(BTM_BLE_MULTI_ADV_ENB, inst_id, cb_evt); } return rt; } /******************************************************************************* ** ** Function btm_ble_map_adv_tx_power ** ** Description return the actual power in dBm based on the mapping in config file ** ** Parameters advertise parameters used for this instance. ** ** Returns tx power in dBm ** *******************************************************************************/ int btm_ble_tx_power[BTM_BLE_ADV_TX_POWER_MAX + 1] = BTM_BLE_ADV_TX_POWER; char btm_ble_map_adv_tx_power(int tx_power_index) { if(0 <= tx_power_index && tx_power_index < BTM_BLE_ADV_TX_POWER_MAX) return (char)btm_ble_tx_power[tx_power_index]; return 0; } /******************************************************************************* ** ** Function btm_ble_multi_adv_set_params ** ** Description This function enable the customer specific feature in controller ** ** Parameters advertise parameters used for this instance. ** ** Returns status ** *******************************************************************************/ tBTM_STATUS btm_ble_multi_adv_set_params (tBTM_BLE_MULTI_ADV_INST *p_inst, tBTM_BLE_ADV_PARAMS *p_params, UINT8 cb_evt) { UINT8 param[BTM_BLE_MULTI_ADV_SET_PARAM_LEN], *pp; tBTM_STATUS rt; BD_ADDR dummy ={0,0,0,0,0,0}; pp = param; memset(param, 0, BTM_BLE_MULTI_ADV_SET_PARAM_LEN); UINT8_TO_STREAM(pp, BTM_BLE_MULTI_ADV_SET_PARAM); UINT16_TO_STREAM (pp, p_params->adv_int_min); UINT16_TO_STREAM (pp, p_params->adv_int_max); UINT8_TO_STREAM (pp, p_params->adv_type); #if BLE_PRIVACY_SPT if (btm_cb.ble_ctr_cb.privacy) { UINT8_TO_STREAM (pp, BLE_ADDR_RANDOM); BDADDR_TO_STREAM (pp, p_inst->rpa); } else #endif { UINT8_TO_STREAM (pp, BLE_ADDR_PUBLIC); BDADDR_TO_STREAM (pp, btm_cb.devcb.local_addr); } BTM_TRACE_EVENT (" btm_ble_multi_adv_set_params,Min %d, Max %d,adv_type %d", p_params->adv_int_min,p_params->adv_int_max,p_params->adv_type); UINT8_TO_STREAM (pp, 0); BDADDR_TO_STREAM (pp, dummy); if (p_params->channel_map == 0 || p_params->channel_map > BTM_BLE_DEFAULT_ADV_CHNL_MAP) p_params->channel_map = BTM_BLE_DEFAULT_ADV_CHNL_MAP; UINT8_TO_STREAM (pp, p_params->channel_map); if (p_params->adv_filter_policy >= AP_SCAN_CONN_POLICY_MAX) p_params->adv_filter_policy = AP_SCAN_CONN_ALL; UINT8_TO_STREAM (pp, p_params->adv_filter_policy); UINT8_TO_STREAM (pp, p_inst->inst_id); if (p_params->tx_power > BTM_BLE_ADV_TX_POWER_MAX) p_params->tx_power = BTM_BLE_ADV_TX_POWER_MAX; UINT8_TO_STREAM (pp, btm_ble_map_adv_tx_power(p_params->tx_power)); BTM_TRACE_EVENT("set_params:Chnl Map %d,adv_fltr policy %d,ID:%d, TX Power%d", p_params->channel_map,p_params->adv_filter_policy,p_inst->inst_id,p_params->tx_power); if ((rt = BTM_VendorSpecificCommand (HCI_BLE_MULTI_ADV_OCF, BTM_BLE_MULTI_ADV_SET_PARAM_LEN, param, btm_ble_multi_adv_vsc_cmpl_cback)) == BTM_CMD_STARTED) { p_inst->adv_evt = p_params->adv_type; #if BLE_PRIVACY_SPT if (btm_cb.ble_ctr_cb.privacy) { /* start timer */ p_inst->raddr_timer_ent.param = (TIMER_PARAM_TYPE) p_inst; btu_start_timer_oneshot(&p_inst->raddr_timer_ent, BTU_TTYPE_BLE_RANDOM_ADDR, BTM_BLE_PRIVATE_ADDR_INT); } #endif btm_ble_multi_adv_enq_op_q(BTM_BLE_MULTI_ADV_SET_PARAM, p_inst->inst_id, cb_evt); } return rt; } /******************************************************************************* ** ** Function btm_ble_multi_adv_write_rpa ** ** Description This function write the random address for the adv instance into ** controller ** ** Parameters ** ** Returns status ** *******************************************************************************/ tBTM_STATUS btm_ble_multi_adv_write_rpa (tBTM_BLE_MULTI_ADV_INST *p_inst, BD_ADDR random_addr) { UINT8 param[BTM_BLE_MULTI_ADV_SET_RANDOM_ADDR_LEN], *pp = param; tBTM_STATUS rt; BTM_TRACE_EVENT (" btm_ble_multi_adv_set_random_addr"); memset(param, 0, BTM_BLE_MULTI_ADV_SET_RANDOM_ADDR_LEN); UINT8_TO_STREAM (pp, BTM_BLE_MULTI_ADV_SET_RANDOM_ADDR); BDADDR_TO_STREAM(pp, random_addr); UINT8_TO_STREAM(pp, p_inst->inst_id); if ((rt = BTM_VendorSpecificCommand (HCI_BLE_MULTI_ADV_OCF, BTM_BLE_MULTI_ADV_SET_RANDOM_ADDR_LEN, param, btm_ble_multi_adv_vsc_cmpl_cback)) == BTM_CMD_STARTED) { /* start a periodical timer to refresh random addr */ btu_stop_timer(&p_inst->raddr_timer_ent); p_inst->raddr_timer_ent.param = (TIMER_PARAM_TYPE) p_inst; btu_start_timer_oneshot(&p_inst->raddr_timer_ent, BTU_TTYPE_BLE_RANDOM_ADDR, BTM_BLE_PRIVATE_ADDR_INT); btm_ble_multi_adv_enq_op_q(BTM_BLE_MULTI_ADV_SET_RANDOM_ADDR, p_inst->inst_id, 0); } return rt; } /******************************************************************************* ** ** Function btm_ble_multi_adv_gen_rpa_cmpl ** ** Description RPA generation completion callback for each adv instance. Will ** continue write the new RPA into controller. ** ** Returns none. ** *******************************************************************************/ void btm_ble_multi_adv_gen_rpa_cmpl(tBTM_RAND_ENC *p) { #if (SMP_INCLUDED == TRUE) tBTM_LE_RANDOM_CB *p_cb = &btm_cb.ble_ctr_cb.addr_mgnt_cb; tSMP_ENC output; UINT8 index = 0; tBTM_BLE_MULTI_ADV_INST *p_inst = NULL; /* Retrieve the index of adv instance from stored Q */ if (btm_multi_adv_idx_q.front == -1) { BTM_TRACE_ERROR(" %s can't locate advertise instance", __FUNCTION__); return; } else { index = btm_multi_adv_idx_q.inst_index_queue[btm_multi_adv_idx_q.front]; if (btm_multi_adv_idx_q.front == btm_multi_adv_idx_q.rear) { btm_multi_adv_idx_q.front = -1; btm_multi_adv_idx_q.rear = -1; } else { btm_multi_adv_idx_q.front = (btm_multi_adv_idx_q.front + 1) % BTM_BLE_MULTI_ADV_MAX; } } p_inst = &(btm_multi_adv_cb.p_adv_inst[index]); BTM_TRACE_EVENT ("btm_ble_multi_adv_gen_rpa_cmpl inst_id = %d", p_inst->inst_id); if (p) { p->param_buf[2] &= (~BLE_RESOLVE_ADDR_MASK); p->param_buf[2] |= BLE_RESOLVE_ADDR_MSB; p_inst->rpa[2] = p->param_buf[0]; p_inst->rpa[1] = p->param_buf[1]; p_inst->rpa[0] = p->param_buf[2]; if (!SMP_Encrypt(btm_cb.devcb.id_keys.irk, BT_OCTET16_LEN, p->param_buf, 3, &output)) { BTM_TRACE_DEBUG("generate random address failed"); } else { /* set hash to be LSB of rpAddress */ p_inst->rpa[5] = output.param_buf[0]; p_inst->rpa[4] = output.param_buf[1]; p_inst->rpa[3] = output.param_buf[2]; if (p_inst->inst_id != 0 && (p_inst->inst_id < BTM_BleMaxMultiAdvInstanceCount())) { /* set it to controller */ btm_ble_multi_adv_write_rpa(p_inst, p_inst->rpa); } } } #endif } /******************************************************************************* ** ** Function btm_ble_multi_adv_configure_rpa ** ** Description This function set the random address for the adv instance ** ** Parameters advertise parameters used for this instance. ** ** Returns none ** *******************************************************************************/ void btm_ble_multi_adv_configure_rpa (tBTM_BLE_MULTI_ADV_INST *p_inst) { if (btm_multi_adv_idx_q.front == (btm_multi_adv_idx_q.rear + 1) % BTM_BLE_MULTI_ADV_MAX) { BTM_TRACE_ERROR("outstanding rand generation exceeded max allowed "); return; } else { if (btm_multi_adv_idx_q.front == -1) { btm_multi_adv_idx_q.front = 0; btm_multi_adv_idx_q.rear = 0; } else { btm_multi_adv_idx_q.rear = (btm_multi_adv_idx_q.rear + 1) % BTM_BLE_MULTI_ADV_MAX; } btm_multi_adv_idx_q.inst_index_queue[btm_multi_adv_idx_q.rear] = p_inst->index; } btm_gen_resolvable_private_addr((void *)btm_ble_multi_adv_gen_rpa_cmpl); } /******************************************************************************* ** ** Function btm_ble_multi_adv_reenable ** ** Description This function re-enable adv instance upon a connection establishment. ** ** Parameters advertise parameters used for this instance. ** ** Returns none. ** *******************************************************************************/ void btm_ble_multi_adv_reenable(UINT8 inst_id) { tBTM_BLE_MULTI_ADV_INST *p_inst = &btm_multi_adv_cb.p_adv_inst[inst_id - 1]; if (p_inst->inst_id != 0) { if (p_inst->adv_evt != BTM_BLE_CONNECT_DIR_EVT) btm_ble_enable_multi_adv (TRUE, p_inst->inst_id, 0); else /* mark directed adv as disabled if adv has been stopped */ { (p_inst->p_cback)(BTM_BLE_MULTI_ADV_DISABLE_EVT,p_inst->inst_id,p_inst->p_ref,0); p_inst->inst_id = 0; } } } /******************************************************************************* ** ** Function btm_ble_multi_adv_enb_privacy ** ** Description This function enable/disable privacy setting in multi adv ** ** Parameters enable: enable or disable the adv instance. ** ** Returns none. ** *******************************************************************************/ void btm_ble_multi_adv_enb_privacy(BOOLEAN enable) { UINT8 i; tBTM_BLE_MULTI_ADV_INST *p_inst = &btm_multi_adv_cb.p_adv_inst[0]; for (i = 0; i < BTM_BleMaxMultiAdvInstanceCount() - 1; i ++, p_inst++) { if (enable) btm_ble_multi_adv_configure_rpa (p_inst); else btu_stop_timer_oneshot(&p_inst->raddr_timer_ent); } } /******************************************************************************* ** ** Function BTM_BleEnableAdvInstance ** ** Description This function enable a Multi-ADV instance with the specified ** adv parameters ** ** Parameters p_params: pointer to the adv parameter structure, set as default ** adv parameter when the instance is enabled. ** p_cback: callback function for the adv instance. ** p_ref: reference data attach to the adv instance to be enabled. ** ** Returns status ** *******************************************************************************/ tBTM_STATUS BTM_BleEnableAdvInstance (tBTM_BLE_ADV_PARAMS *p_params, tBTM_BLE_MULTI_ADV_CBACK *p_cback,void *p_ref) { UINT8 i; tBTM_STATUS rt = BTM_NO_RESOURCES; tBTM_BLE_MULTI_ADV_INST *p_inst = &btm_multi_adv_cb.p_adv_inst[0]; BTM_TRACE_EVENT("BTM_BleEnableAdvInstance called"); if (0 == btm_cb.cmn_ble_vsc_cb.adv_inst_max) { BTM_TRACE_ERROR("Controller does not support Multi ADV"); return BTM_ERR_PROCESSING; } if (NULL == p_inst) { BTM_TRACE_ERROR("Invalid instance in BTM_BleEnableAdvInstance"); return BTM_ERR_PROCESSING; } for (i = 0; i < BTM_BleMaxMultiAdvInstanceCount() - 1; i ++, p_inst++) { if (p_inst->inst_id == 0) { p_inst->inst_id = i + 1; /* configure adv parameter */ if (p_params) rt = btm_ble_multi_adv_set_params(p_inst, p_params, 0); else rt = BTM_CMD_STARTED; /* enable adv */ BTM_TRACE_EVENT("btm_ble_enable_multi_adv being called with inst_id:%d", p_inst->inst_id); if (BTM_CMD_STARTED == rt) { if ((rt = btm_ble_enable_multi_adv (TRUE, p_inst->inst_id, BTM_BLE_MULTI_ADV_ENB_EVT)) == BTM_CMD_STARTED) { p_inst->p_cback = p_cback; p_inst->p_ref = p_ref; } } if (BTM_CMD_STARTED != rt) { p_inst->inst_id = 0; BTM_TRACE_ERROR("BTM_BleEnableAdvInstance failed"); } break; } } return rt; } /******************************************************************************* ** ** Function BTM_BleUpdateAdvInstParam ** ** Description This function update a Multi-ADV instance with the specified ** adv parameters. ** ** Parameters inst_id: adv instance ID ** p_params: pointer to the adv parameter structure. ** ** Returns status ** *******************************************************************************/ tBTM_STATUS BTM_BleUpdateAdvInstParam (UINT8 inst_id, tBTM_BLE_ADV_PARAMS *p_params) { tBTM_STATUS rt = BTM_ILLEGAL_VALUE; tBTM_BLE_MULTI_ADV_INST *p_inst = &btm_multi_adv_cb.p_adv_inst[inst_id - 1]; BTM_TRACE_EVENT("BTM_BleUpdateAdvInstParam called with inst_id:%d", inst_id); if (0 == btm_cb.cmn_ble_vsc_cb.adv_inst_max) { BTM_TRACE_ERROR("Controller does not support Multi ADV"); return BTM_ERR_PROCESSING; } if (inst_id < BTM_BleMaxMultiAdvInstanceCount() && inst_id != BTM_BLE_MULTI_ADV_DEFAULT_STD && p_params != NULL) { if (p_inst->inst_id == 0) { BTM_TRACE_DEBUG("adv instance %d is not active", inst_id); return BTM_WRONG_MODE; } else btm_ble_enable_multi_adv(FALSE, inst_id, 0); if (BTM_CMD_STARTED == btm_ble_multi_adv_set_params(p_inst, p_params, 0)) rt = btm_ble_enable_multi_adv(TRUE, inst_id, BTM_BLE_MULTI_ADV_PARAM_EVT); } return rt; } /******************************************************************************* ** ** Function BTM_BleCfgAdvInstData ** ** Description This function configure a Multi-ADV instance with the specified ** adv data or scan response data. ** ** Parameters inst_id: adv instance ID ** is_scan_rsp: is this scacn response, if no set as adv data. ** data_mask: adv data mask. ** p_data: pointer to the adv data structure. ** ** Returns status ** *******************************************************************************/ tBTM_STATUS BTM_BleCfgAdvInstData (UINT8 inst_id, BOOLEAN is_scan_rsp, tBTM_BLE_AD_MASK data_mask, tBTM_BLE_ADV_DATA *p_data) { UINT8 param[BTM_BLE_MULTI_ADV_WRITE_DATA_LEN], *pp = param; UINT8 sub_code = (is_scan_rsp) ? BTM_BLE_MULTI_ADV_WRITE_SCAN_RSP_DATA : BTM_BLE_MULTI_ADV_WRITE_ADV_DATA; UINT8 *p_len; tBTM_STATUS rt; UINT8 *pp_temp = (UINT8*)(param + BTM_BLE_MULTI_ADV_WRITE_DATA_LEN -1); tBTM_BLE_VSC_CB cmn_ble_vsc_cb; BTM_BleGetVendorCapabilities(&cmn_ble_vsc_cb); if (0 == cmn_ble_vsc_cb.adv_inst_max) { BTM_TRACE_ERROR("Controller does not support Multi ADV"); return BTM_ERR_PROCESSING; } BTM_TRACE_EVENT("BTM_BleCfgAdvInstData called with inst_id:%d", inst_id); if (inst_id > BTM_BLE_MULTI_ADV_MAX || inst_id == BTM_BLE_MULTI_ADV_DEFAULT_STD) return BTM_ILLEGAL_VALUE; memset(param, 0, BTM_BLE_MULTI_ADV_WRITE_DATA_LEN); UINT8_TO_STREAM(pp, sub_code); p_len = pp ++; btm_ble_build_adv_data(&data_mask, &pp, p_data); *p_len = (UINT8)(pp - param - 2); UINT8_TO_STREAM(pp_temp, inst_id); if ((rt = BTM_VendorSpecificCommand (HCI_BLE_MULTI_ADV_OCF, (UINT8)BTM_BLE_MULTI_ADV_WRITE_DATA_LEN, param, btm_ble_multi_adv_vsc_cmpl_cback)) == BTM_CMD_STARTED) { btm_ble_multi_adv_enq_op_q(sub_code, inst_id, BTM_BLE_MULTI_ADV_DATA_EVT); } return rt; } /******************************************************************************* ** ** Function BTM_BleDisableAdvInstance ** ** Description This function disables a Multi-ADV instance. ** ** Parameters inst_id: adv instance ID ** ** Returns status ** *******************************************************************************/ tBTM_STATUS BTM_BleDisableAdvInstance (UINT8 inst_id) { tBTM_STATUS rt = BTM_ILLEGAL_VALUE; tBTM_BLE_VSC_CB cmn_ble_vsc_cb; BTM_TRACE_EVENT("BTM_BleDisableAdvInstance with inst_id:%d", inst_id); BTM_BleGetVendorCapabilities(&cmn_ble_vsc_cb); if (0 == cmn_ble_vsc_cb.adv_inst_max) { BTM_TRACE_ERROR("Controller does not support Multi ADV"); return BTM_ERR_PROCESSING; } if (inst_id < BTM_BleMaxMultiAdvInstanceCount() && inst_id != BTM_BLE_MULTI_ADV_DEFAULT_STD) { if ((rt = btm_ble_enable_multi_adv(FALSE, inst_id, BTM_BLE_MULTI_ADV_DISABLE_EVT)) == BTM_CMD_STARTED) { btm_ble_multi_adv_configure_rpa(&btm_multi_adv_cb.p_adv_inst[inst_id-1]); btu_stop_timer(&btm_multi_adv_cb.p_adv_inst[inst_id-1].raddr_timer_ent); btm_multi_adv_cb.p_adv_inst[inst_id-1].inst_id = 0; } } return rt; } /******************************************************************************* ** ** Function btm_ble_multi_adv_vse_cback ** ** Description VSE callback for multi adv events. ** ** Returns ** *******************************************************************************/ void btm_ble_multi_adv_vse_cback(UINT8 len, UINT8 *p) { UINT8 sub_event; UINT8 adv_inst, reason, conn_handle, idx; /* Check if this is a BLE RSSI vendor specific event */ STREAM_TO_UINT8(sub_event, p); len--; BTM_TRACE_EVENT("btm_ble_multi_adv_vse_cback called with event:%d", sub_event); if ((sub_event == HCI_VSE_SUBCODE_BLE_MULTI_ADV_ST_CHG) && (len >= 4)) { STREAM_TO_UINT8(adv_inst, p); STREAM_TO_UINT8(reason, p); STREAM_TO_UINT16(conn_handle, p); if ((idx = btm_handle_to_acl_index(conn_handle)) != MAX_L2CAP_LINKS) { if (btm_cb.ble_ctr_cb.privacy && adv_inst <= BTM_BLE_MULTI_ADV_MAX && adv_inst != BTM_BLE_MULTI_ADV_DEFAULT_STD) { memcpy(btm_cb.acl_db[idx].conn_addr, btm_multi_adv_cb.p_adv_inst[adv_inst - 1].rpa, BD_ADDR_LEN); } } if (adv_inst < BTM_BleMaxMultiAdvInstanceCount() && adv_inst != BTM_BLE_MULTI_ADV_DEFAULT_STD) { BTM_TRACE_EVENT("btm_ble_multi_adv_reenable called"); btm_ble_multi_adv_reenable(adv_inst); } /* re-enable connectibility */ else if (adv_inst == BTM_BLE_MULTI_ADV_DEFAULT_STD) { if (btm_cb.ble_ctr_cb.inq_var.connectable_mode == BTM_BLE_CONNECTABLE) { btm_ble_set_connectability ( btm_cb.ble_ctr_cb.inq_var.connectable_mode ); } } } } /******************************************************************************* ** ** Function btm_ble_multi_adv_init ** ** Description This function initialize the multi adv control block. ** ** Parameters None ** ** Returns void ** *******************************************************************************/ void btm_ble_multi_adv_init() { UINT8 i = 0; memset(&btm_multi_adv_cb, 0, sizeof(tBTM_BLE_MULTI_ADV_CB)); memset (&btm_multi_adv_idx_q,0, sizeof (tBTM_BLE_MULTI_ADV_INST_IDX_Q)); btm_multi_adv_idx_q.front = -1; btm_multi_adv_idx_q.rear = -1; if (btm_cb.cmn_ble_vsc_cb.adv_inst_max > 0) { btm_multi_adv_cb.p_adv_inst = GKI_getbuf( sizeof(tBTM_BLE_MULTI_ADV_INST)* (btm_cb.cmn_ble_vsc_cb.adv_inst_max)); memset(btm_multi_adv_cb.p_adv_inst, 0, sizeof(tBTM_BLE_MULTI_ADV_INST)* (btm_cb.cmn_ble_vsc_cb.adv_inst_max)); btm_multi_adv_cb.op_q.p_sub_code = GKI_getbuf( sizeof(UINT8) * (btm_cb.cmn_ble_vsc_cb.adv_inst_max)); memset(btm_multi_adv_cb.op_q.p_sub_code, 0, sizeof(UINT8)*(btm_cb.cmn_ble_vsc_cb.adv_inst_max)); btm_multi_adv_cb.op_q.p_inst_id = GKI_getbuf( sizeof(UINT8) * (btm_cb.cmn_ble_vsc_cb.adv_inst_max)); memset(btm_multi_adv_cb.op_q.p_inst_id, 0, sizeof(UINT8)*(btm_cb.cmn_ble_vsc_cb.adv_inst_max)); } for (i = 0; i < btm_cb.cmn_ble_vsc_cb.adv_inst_max ; i ++) btm_multi_adv_cb.p_adv_inst[i].index = i; BTM_RegisterForVSEvents(btm_ble_multi_adv_vse_cback, TRUE); } /******************************************************************************* ** ** Function btm_ble_multi_adv_cleanup ** ** Description This function cleans up multi adv control block. ** ** Parameters ** Returns void ** *******************************************************************************/ void btm_ble_multi_adv_cleanup(void) { if (btm_multi_adv_cb.p_adv_inst) GKI_freebuf(btm_multi_adv_cb.p_adv_inst); if (btm_multi_adv_cb.op_q.p_sub_code) GKI_freebuf(btm_multi_adv_cb.op_q.p_sub_code); if (btm_multi_adv_cb.op_q.p_inst_id) GKI_freebuf(btm_multi_adv_cb.op_q.p_inst_id); } /******************************************************************************* ** ** Function btm_ble_multi_adv_get_ref ** ** Description This function obtains the reference pointer for the instance ID provided ** ** Parameters inst_id - Instance ID ** ** Returns void* ** *******************************************************************************/ void* btm_ble_multi_adv_get_ref(UINT8 inst_id) { tBTM_BLE_MULTI_ADV_INST *p_inst = NULL; if (inst_id < BTM_BleMaxMultiAdvInstanceCount()) { p_inst = &btm_multi_adv_cb.p_adv_inst[inst_id - 1]; if (NULL != p_inst) return p_inst->p_ref; } return NULL; } #endif