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components/bt/host/bluedroid/stack/btm/btm_ble_multi_adv.c
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/******************************************************************************
*
* 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 "common/bt_target.h"
#include "device/controller.h"
#if (BLE_INCLUDED == TRUE)
#include "stack/bt_types.h"
#include "stack/hcimsgs.h"
#include "stack/btu.h"
#include "btm_int.h"
//#include "bt_utils.h"
#include "stack/hcidefs.h"
#include "stack/btm_ble_api.h"
/************************************************************************************
** Constants & Macros
************************************************************************************/
/* 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
#define BTM_BLE_MULTI_ADV_CB_EVT_MASK 0xF0
#define BTM_BLE_MULTI_ADV_SUBCODE_MASK 0x0F
/************************************************************************************
** Static variables
************************************************************************************/
#if BTM_DYNAMIC_MEMORY == FALSE
tBTM_BLE_MULTI_ADV_CB btm_multi_adv_cb;
tBTM_BLE_MULTI_ADV_INST_IDX_Q btm_multi_adv_idx_q;
#else
tBTM_BLE_MULTI_ADV_CB *btm_multi_adv_cb_ptr;
tBTM_BLE_MULTI_ADV_INST_IDX_Q *btm_multi_adv_idx_q_ptr;
#define btm_multi_adv_cb (*btm_multi_adv_cb_ptr)
#define btm_multi_adv_idx_q (*btm_multi_adv_idx_q_ptr)
#endif
/************************************************************************************
** Externs
************************************************************************************/
extern void btm_ble_update_dmt_flag_bits(UINT8 *flag_value,
const UINT16 connect_mode, const UINT16 disc_mode);
/*******************************************************************************
**
** 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);
/* Mark as not in use here, if instance cannot be enabled */
if (HCI_SUCCESS != status && BTM_BLE_MULTI_ADV_ENB_EVT == cb_evt) {
btm_multi_adv_cb.p_adv_inst[inst_id - 1].in_use = FALSE;
}
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
**
*******************************************************************************/
static const 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 (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
if (btm_cb.ble_ctr_cb.privacy_mode != BTM_PRIVACY_NONE) {
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, controller_get_interface()->get_address()->address);
}
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 (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
if (btm_cb.ble_ctr_cb.privacy_mode != BTM_PRIVACY_NONE) {
/* 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 ("%s-BD_ADDR:%02x-%02x-%02x-%02x-%02x-%02x,inst_id:%d",
__FUNCTION__, random_addr[5], random_addr[4], random_addr[3], random_addr[2],
random_addr[1], random_addr[0], p_inst->inst_id);
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_oneshot(&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)
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 != BTM_BLE_MULTI_ADV_DEFAULT_STD &&
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 (TRUE == p_inst->in_use) {
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->in_use = FALSE;
}
}
}
/*******************************************************************************
**
** 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++) {
p_inst->in_use = FALSE;
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 (FALSE == p_inst->in_use) {
p_inst->in_use = TRUE;
/* 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->in_use = FALSE;
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 (FALSE == p_inst->in_use) {
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 scan 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_ble_update_dmt_flag_bits(&p_data->flag, btm_cb.btm_inq_vars.connectable_mode,
btm_cb.btm_inq_vars.discoverable_mode);
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_oneshot(&btm_multi_adv_cb.p_adv_inst[inst_id - 1].raddr_timer_ent);
btm_multi_adv_cb.p_adv_inst[inst_id - 1].in_use = FALSE;
}
}
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;
UINT16 conn_handle;
tACL_CONN *p_acl_cb = NULL;
/* 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);
++p;
STREAM_TO_UINT16(conn_handle, p);
if ((p_acl_cb = btm_handle_to_acl(conn_handle)) != NULL) {
#if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
if (btm_cb.ble_ctr_cb.privacy_mode != BTM_PRIVACY_NONE &&
adv_inst <= BTM_BLE_MULTI_ADV_MAX && adv_inst != BTM_BLE_MULTI_ADV_DEFAULT_STD) {
memcpy(p_acl_cb->conn_addr, btm_multi_adv_cb.p_adv_inst[adv_inst - 1].rpa,
BD_ADDR_LEN);
}
#endif
}
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(void)
{
#if BTM_DYNAMIC_MEMORY == TRUE
btm_multi_adv_cb_ptr = (tBTM_BLE_MULTI_ADV_CB *)osi_malloc(sizeof(tBTM_BLE_MULTI_ADV_CB));
btm_multi_adv_idx_q_ptr = (tBTM_BLE_MULTI_ADV_INST_IDX_Q *)osi_malloc(sizeof(tBTM_BLE_MULTI_ADV_INST_IDX_Q));
if (btm_multi_adv_cb_ptr == NULL || btm_multi_adv_idx_q_ptr == NULL) {
BTM_TRACE_ERROR("%s malloc failed", __func__);
return;
}
#endif
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 = osi_malloc( 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 = osi_malloc( 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 = osi_malloc( 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));
}
/* Initialize adv instance indices and IDs. */
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_multi_adv_cb.p_adv_inst[i].inst_id = i + 1;
}
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_DYNAMIC_MEMORY == TRUE
if (btm_multi_adv_cb_ptr == NULL)
{
BTM_TRACE_WARNING("%s memory has been freed", __func__);
return;
}
#endif
if (btm_multi_adv_cb.p_adv_inst) {
osi_free(btm_multi_adv_cb.p_adv_inst);
btm_multi_adv_cb.p_adv_inst = NULL;
}
if (btm_multi_adv_cb.op_q.p_sub_code) {
osi_free(btm_multi_adv_cb.op_q.p_sub_code);
btm_multi_adv_cb.op_q.p_sub_code = NULL;
}
if (btm_multi_adv_cb.op_q.p_inst_id) {
osi_free(btm_multi_adv_cb.op_q.p_inst_id);
btm_multi_adv_cb.op_q.p_inst_id = NULL;
}
#if BTM_DYNAMIC_MEMORY == TRUE
if(btm_multi_adv_cb_ptr) {
osi_free(btm_multi_adv_cb_ptr);
btm_multi_adv_cb_ptr = NULL;
}
if(btm_multi_adv_idx_q_ptr) {
osi_free(btm_multi_adv_idx_q_ptr);
btm_multi_adv_idx_q_ptr = NULL;
}
#endif
}
/*******************************************************************************
**
** 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
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