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OVMS3-idf/components/bt/esp_ble_mesh/mesh_core/adv.c
lly ff1132d2e4 ble_mesh: stack: Only keep func pointer for very common log 
Currently only keep func pointer for the followings:
- Invalid parameter (mesh btc & mesh stack)
- Out of memory (mesh btc & mesh stack)
- Unknown act (mesh btc)
- Invalid model user data (mesh stack)
- BT_DBG("%s", __func__) (mesh btc & mesh stack)
- A few other specific situations (buf ref debug, send status check)
2020-08-28 10:51:17 +08:00

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/* Bluetooth Mesh */
/*
* Copyright (c) 2017 Intel Corporation
* Additional Copyright (c) 2018 Espressif Systems (Shanghai) PTE LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdint.h>
#include <string.h>
#include <errno.h>
#define BT_DBG_ENABLED IS_ENABLED(CONFIG_BLE_MESH_DEBUG_ADV)
#include "mesh_kernel.h"
#include "mesh.h"
#include "mesh_hci.h"
#include "mesh_common.h"
#include "adv.h"
#include "beacon.h"
#include "prov.h"
#include "foundation.h"
#include "proxy_server.h"
#include "proxy_client.h"
#include "provisioner_prov.h"
#include "mesh_bearer_adapt.h"
/* Convert from ms to 0.625ms units */
#define ADV_SCAN_UNIT(_ms) ((_ms) * 8 / 5)
/* Convert from 0.625ms units to interval(ms) */
#define ADV_SCAN_INT(val) ((val) * 5 / 8)
/* Window and Interval are equal for continuous scanning */
#define MESH_SCAN_INTERVAL 0x20
#define MESH_SCAN_WINDOW 0x20
/* Pre-5.0 controllers enforce a minimum interval of 100ms
* whereas 5.0+ controllers can go down to 20ms.
*/
#define ADV_INT_DEFAULT_MS 100
#define ADV_INT_FAST_MS 20
static const bt_mesh_addr_t *dev_addr;
static const u8_t adv_type[] = {
[BLE_MESH_ADV_PROV] = BLE_MESH_DATA_MESH_PROV,
[BLE_MESH_ADV_DATA] = BLE_MESH_DATA_MESH_MESSAGE,
[BLE_MESH_ADV_BEACON] = BLE_MESH_DATA_MESH_BEACON,
[BLE_MESH_ADV_URI] = BLE_MESH_DATA_URI,
};
NET_BUF_POOL_DEFINE(adv_buf_pool, CONFIG_BLE_MESH_ADV_BUF_COUNT,
BLE_MESH_ADV_DATA_SIZE, BLE_MESH_ADV_USER_DATA_SIZE, NULL);
static struct bt_mesh_adv adv_pool[CONFIG_BLE_MESH_ADV_BUF_COUNT];
struct bt_mesh_queue {
QueueHandle_t handle;
#if CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC
StaticQueue_t *buffer;
u8_t *storage;
#endif
};
static struct bt_mesh_queue adv_queue;
/* We reserve one queue item for bt_mesh_adv_update() */
#if CONFIG_BLE_MESH_SUPPORT_BLE_ADV
#define BLE_MESH_ADV_QUEUE_SIZE (CONFIG_BLE_MESH_ADV_BUF_COUNT + CONFIG_BLE_MESH_BLE_ADV_BUF_COUNT + 1)
#else
#define BLE_MESH_ADV_QUEUE_SIZE (CONFIG_BLE_MESH_ADV_BUF_COUNT + 1)
#endif
#if defined(CONFIG_BLE_MESH_RELAY_ADV_BUF)
NET_BUF_POOL_DEFINE(relay_adv_buf_pool, CONFIG_BLE_MESH_RELAY_ADV_BUF_COUNT,
BLE_MESH_ADV_DATA_SIZE, BLE_MESH_ADV_USER_DATA_SIZE, NULL);
static struct bt_mesh_adv relay_adv_pool[CONFIG_BLE_MESH_RELAY_ADV_BUF_COUNT];
static struct bt_mesh_queue relay_queue;
#define BLE_MESH_RELAY_QUEUE_SIZE CONFIG_BLE_MESH_RELAY_ADV_BUF_COUNT
static QueueSetHandle_t mesh_queue_set;
#define BLE_MESH_QUEUE_SET_SIZE (BLE_MESH_ADV_QUEUE_SIZE + BLE_MESH_RELAY_QUEUE_SIZE)
#define BLE_MESH_RELAY_TIME_INTERVAL K_SECONDS(6)
#define BLE_MESH_MAX_TIME_INTERVAL 0xFFFFFFFF
static bool ignore_relay_packet(u32_t timestamp);
#endif /* defined(CONFIG_BLE_MESH_RELAY_ADV_BUF) */
#if CONFIG_BLE_MESH_SUPPORT_BLE_ADV
/* length + advertising data + length + scan response data */
NET_BUF_POOL_DEFINE(ble_adv_buf_pool, CONFIG_BLE_MESH_BLE_ADV_BUF_COUNT,
((BLE_MESH_ADV_DATA_SIZE + 3) << 1), BLE_MESH_ADV_USER_DATA_SIZE, NULL);
static struct bt_mesh_adv ble_adv_pool[CONFIG_BLE_MESH_BLE_ADV_BUF_COUNT];
enum {
TIMER_INIT, /* Resend timer is initialized */
NUM_FLAGS,
};
static struct ble_adv_tx {
struct bt_mesh_ble_adv_param param;
struct net_buf *buf;
struct k_delayed_work resend;
BLE_MESH_ATOMIC_DEFINE(flags, NUM_FLAGS);
} ble_adv_tx[CONFIG_BLE_MESH_BLE_ADV_BUF_COUNT];
#define SEND_BLE_ADV_INFINITE 0xFFFF
static void bt_mesh_ble_adv_deinit(void);
#endif /* CONFIG_BLE_MESH_SUPPORT_BLE_ADV */
struct bt_mesh_adv_task {
TaskHandle_t handle;
#if (CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC_EXTERNAL && \
CONFIG_SPIRAM_CACHE_WORKAROUND && \
CONFIG_SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY)
StaticTask_t *task;
StackType_t *stack;
#endif
};
static struct bt_mesh_adv_task adv_task;
static struct bt_mesh_adv *adv_alloc(int id)
{
return &adv_pool[id];
}
static inline void adv_send_start(u16_t duration, int err,
const struct bt_mesh_send_cb *cb,
void *cb_data)
{
if (cb && cb->start) {
cb->start(duration, err, cb_data);
}
}
static inline void adv_send_end(int err, const struct bt_mesh_send_cb *cb,
void *cb_data)
{
if (cb && cb->end) {
cb->end(err, cb_data);
}
}
static inline int adv_send(struct net_buf *buf)
{
const s32_t adv_int_min = ((bt_mesh_dev.hci_version >= BLE_MESH_HCI_VERSION_5_0) ?
ADV_INT_FAST_MS : ADV_INT_DEFAULT_MS);
const struct bt_mesh_send_cb *cb = BLE_MESH_ADV(buf)->cb;
void *cb_data = BLE_MESH_ADV(buf)->cb_data;
struct bt_mesh_adv_param param = {0};
u16_t duration = 0U, adv_int = 0U;
struct bt_mesh_adv_data ad = {0};
int err = 0;
BT_DBG("type %u len %u: %s", BLE_MESH_ADV(buf)->type,
buf->len, bt_hex(buf->data, buf->len));
#if CONFIG_BLE_MESH_SUPPORT_BLE_ADV
if (BLE_MESH_ADV(buf)->type != BLE_MESH_ADV_BLE) {
#endif
adv_int = MAX(adv_int_min,
BLE_MESH_TRANSMIT_INT(BLE_MESH_ADV(buf)->xmit));
duration = (BLE_MESH_TRANSMIT_COUNT(BLE_MESH_ADV(buf)->xmit) + 1) *
(adv_int + 10);
BT_DBG("count %u interval %ums duration %ums",
BLE_MESH_TRANSMIT_COUNT(BLE_MESH_ADV(buf)->xmit) + 1, adv_int,
duration);
ad.type = adv_type[BLE_MESH_ADV(buf)->type];
ad.data_len = buf->len;
ad.data = buf->data;
param.options = 0U;
param.interval_min = ADV_SCAN_UNIT(adv_int);
param.interval_max = param.interval_min;
bt_mesh_adv_buf_ref_debug(__func__, buf, 4U, BLE_MESH_BUF_REF_SMALL);
err = bt_le_adv_start(&param, &ad, 1, NULL, 0);
#if CONFIG_BLE_MESH_SUPPORT_BLE_ADV
} else {
struct bt_mesh_ble_adv_data data = {0};
struct ble_adv_tx *tx = cb_data;
if (tx == NULL) {
BT_ERR("Invalid adv user data");
net_buf_unref(buf);
return -EINVAL;
}
BT_DBG("interval %dms, duration %dms, period %dms, count %d",
ADV_SCAN_INT(tx->param.interval), tx->param.duration,
tx->param.period, tx->param.count);
data.adv_data_len = tx->buf->data[0];
if (data.adv_data_len) {
memcpy(data.adv_data, tx->buf->data + 1, data.adv_data_len);
}
data.scan_rsp_data_len = tx->buf->data[data.adv_data_len + 1];
if (data.scan_rsp_data_len) {
memcpy(data.scan_rsp_data, tx->buf->data + data.adv_data_len + 2, data.scan_rsp_data_len);
}
duration = tx->param.duration;
bt_mesh_adv_buf_ref_debug(__func__, buf, 3U, BLE_MESH_BUF_REF_SMALL);
err = bt_mesh_ble_adv_start(&tx->param, &data);
}
#endif /* CONFIG_BLE_MESH_SUPPORT_BLE_ADV */
net_buf_unref(buf);
adv_send_start(duration, err, cb, cb_data);
if (err) {
BT_ERR("Start advertising failed: err %d", err);
return err;
}
BT_DBG("Advertising started. Sleeping %u ms", duration);
k_sleep(K_MSEC(duration));
err = bt_le_adv_stop();
adv_send_end(err, cb, cb_data);
if (err) {
BT_ERR("Stop advertising failed: err %d", err);
return 0;
}
BT_DBG("Advertising stopped");
return 0;
}
static void adv_thread(void *p)
{
#if defined(CONFIG_BLE_MESH_RELAY_ADV_BUF)
QueueSetMemberHandle_t handle = NULL;
#endif
bt_mesh_msg_t msg = {0};
struct net_buf **buf = NULL;
buf = (struct net_buf **)(&msg.arg);
BT_DBG("%s, starts", __func__);
while (1) {
*buf = NULL;
#if !defined(CONFIG_BLE_MESH_RELAY_ADV_BUF)
#if (CONFIG_BLE_MESH_NODE && CONFIG_BLE_MESH_PB_GATT) || \
CONFIG_BLE_MESH_GATT_PROXY_SERVER
xQueueReceive(adv_queue.handle, &msg, K_NO_WAIT);
while (!(*buf)) {
s32_t timeout;
BT_DBG("Mesh Proxy Advertising start");
timeout = bt_mesh_proxy_server_adv_start();
BT_DBG("Mesh Proxy Advertising up to %d ms", timeout);
xQueueReceive(adv_queue.handle, &msg, timeout);
BT_DBG("Mesh Proxy Advertising stop");
bt_mesh_proxy_server_adv_stop();
}
#else
xQueueReceive(adv_queue.handle, &msg, portMAX_DELAY);
#endif /* (CONFIG_BLE_MESH_NODE && CONFIG_BLE_MESH_PB_GATT) || CONFIG_BLE_MESH_GATT_PROXY_SERVER */
#else /* !defined(CONFIG_BLE_MESH_RELAY_ADV_BUF) */
#if (CONFIG_BLE_MESH_NODE && CONFIG_BLE_MESH_PB_GATT) || \
CONFIG_BLE_MESH_GATT_PROXY_SERVER
handle = xQueueSelectFromSet(mesh_queue_set, K_NO_WAIT);
if (handle) {
if (uxQueueMessagesWaiting(adv_queue.handle)) {
xQueueReceive(adv_queue.handle, &msg, K_NO_WAIT);
} else if (uxQueueMessagesWaiting(relay_queue.handle)) {
xQueueReceive(relay_queue.handle, &msg, K_NO_WAIT);
}
} else {
while (!(*buf)) {
s32_t timeout = 0;
BT_DBG("Mesh Proxy Advertising start");
timeout = bt_mesh_proxy_server_adv_start();
BT_DBG("Mesh Proxy Advertising up to %d ms", timeout);
handle = xQueueSelectFromSet(mesh_queue_set, timeout);
BT_DBG("Mesh Proxy Advertising stop");
bt_mesh_proxy_server_adv_stop();
if (handle) {
if (uxQueueMessagesWaiting(adv_queue.handle)) {
xQueueReceive(adv_queue.handle, &msg, K_NO_WAIT);
} else if (uxQueueMessagesWaiting(relay_queue.handle)) {
xQueueReceive(relay_queue.handle, &msg, K_NO_WAIT);
}
}
}
}
#else
handle = xQueueSelectFromSet(mesh_queue_set, portMAX_DELAY);
if (handle) {
if (uxQueueMessagesWaiting(adv_queue.handle)) {
xQueueReceive(adv_queue.handle, &msg, K_NO_WAIT);
} else if (uxQueueMessagesWaiting(relay_queue.handle)) {
xQueueReceive(relay_queue.handle, &msg, K_NO_WAIT);
}
}
#endif /* (CONFIG_BLE_MESH_NODE && CONFIG_BLE_MESH_PB_GATT) || CONFIG_BLE_MESH_GATT_PROXY_SERVER */
#endif /* !defined(CONFIG_BLE_MESH_RELAY_ADV_BUF) */
if (*buf == NULL) {
continue;
}
/* busy == 0 means this was canceled */
if (BLE_MESH_ADV(*buf)->busy) {
BLE_MESH_ADV(*buf)->busy = 0U;
#if !defined(CONFIG_BLE_MESH_RELAY_ADV_BUF)
if (adv_send(*buf)) {
BT_WARN("Failed to send adv packet");
}
#else /* !defined(CONFIG_BLE_MESH_RELAY_ADV_BUF) */
if (msg.relay && ignore_relay_packet(msg.timestamp)) {
/* If the interval between "current time - msg.timestamp" is bigger than
* BLE_MESH_RELAY_TIME_INTERVAL, this relay packet will not be sent.
*/
BT_INFO("Ignore relay packet");
net_buf_unref(*buf);
} else {
if (adv_send(*buf)) {
BT_WARN("Failed to send adv packet");
}
}
#endif
} else {
bt_mesh_adv_buf_ref_debug(__func__, *buf, 1U, BLE_MESH_BUF_REF_EQUAL);
net_buf_unref(*buf);
}
/* Give other threads a chance to run */
taskYIELD();
}
}
struct net_buf *bt_mesh_adv_create_from_pool(struct net_buf_pool *pool,
bt_mesh_adv_alloc_t get_id,
enum bt_mesh_adv_type type,
u8_t xmit, s32_t timeout)
{
struct bt_mesh_adv *adv = NULL;
struct net_buf *buf = NULL;
if (bt_mesh_atomic_test_bit(bt_mesh.flags, BLE_MESH_SUSPENDED)) {
BT_WARN("Refusing to allocate buffer while suspended");
return NULL;
}
buf = net_buf_alloc(pool, timeout);
if (!buf) {
return NULL;
}
BT_DBG("pool %p, buf_count %d, uinit_count %d",
buf->pool, pool->buf_count, pool->uninit_count);
adv = get_id(net_buf_id(buf));
BLE_MESH_ADV(buf) = adv;
(void)memset(adv, 0, sizeof(*adv));
adv->type = type;
adv->xmit = xmit;
return buf;
}
void bt_mesh_unref_buf_from_pool(struct net_buf_pool *pool)
{
int i;
if (pool == NULL) {
BT_ERR("%s, Invalid parameter", __func__);
return;
}
for (i = 0; i < pool->buf_count; i++) {
struct net_buf *buf = &pool->__bufs[i];
if (buf->ref > 1U) {
buf->ref = 1U;
}
net_buf_unref(buf);
}
}
struct net_buf *bt_mesh_adv_create(enum bt_mesh_adv_type type, u8_t xmit,
s32_t timeout)
{
return bt_mesh_adv_create_from_pool(&adv_buf_pool, adv_alloc, type,
xmit, timeout);
}
void bt_mesh_adv_buf_ref_debug(const char *func, struct net_buf *buf,
u8_t ref_cmp, bt_mesh_buf_ref_flag_t flag)
{
if (buf == NULL || func == NULL || flag >= BLE_MESH_BUF_REF_MAX) {
BT_ERR("%s, Invalid parameter", __func__);
return;
}
switch (flag) {
case BLE_MESH_BUF_REF_EQUAL:
if (buf->ref != ref_cmp) {
BT_ERR("Unexpected ref %d in %s, expect to equal to %d", buf->ref, func, ref_cmp);
}
break;
case BLE_MESH_BUF_REF_SMALL:
if (buf->ref >= ref_cmp) {
BT_ERR("Unexpected ref %d in %s, expect to smaller than %d", buf->ref, func, ref_cmp);
}
break;
default:
break;
}
}
static void bt_mesh_unref_buf(bt_mesh_msg_t *msg)
{
struct net_buf *buf = NULL;
if (msg->arg) {
buf = (struct net_buf *)msg->arg;
BLE_MESH_ADV(buf)->busy = 0U;
if (buf->ref > 1U) {
buf->ref = 1U;
}
net_buf_unref(buf);
}
return;
}
static void bt_mesh_task_post(bt_mesh_msg_t *msg, uint32_t timeout, bool front)
{
BT_DBG("%s", __func__);
if (adv_queue.handle == NULL) {
BT_ERR("Invalid adv queue");
return;
}
if (front) {
if (xQueueSendToFront(adv_queue.handle, msg, timeout) != pdTRUE) {
BT_ERR("Failed to send item to adv queue front");
bt_mesh_unref_buf(msg);
}
} else {
if (xQueueSend(adv_queue.handle, msg, timeout) != pdTRUE) {
BT_ERR("Failed to send item to adv queue back");
bt_mesh_unref_buf(msg);
}
}
}
void bt_mesh_adv_send(struct net_buf *buf, const struct bt_mesh_send_cb *cb,
void *cb_data)
{
bt_mesh_msg_t msg = {
.relay = false,
};
BT_DBG("type 0x%02x len %u: %s", BLE_MESH_ADV(buf)->type, buf->len,
bt_hex(buf->data, buf->len));
BLE_MESH_ADV(buf)->cb = cb;
BLE_MESH_ADV(buf)->cb_data = cb_data;
BLE_MESH_ADV(buf)->busy = 1U;
bt_mesh_adv_buf_ref_debug(__func__, buf, 3U, BLE_MESH_BUF_REF_SMALL);
msg.arg = (void *)net_buf_ref(buf);
bt_mesh_task_post(&msg, portMAX_DELAY, false);
}
void bt_mesh_adv_update(void)
{
bt_mesh_msg_t msg = {
.relay = false,
.arg = NULL,
};
BT_DBG("%s", __func__);
bt_mesh_task_post(&msg, K_NO_WAIT, false);
}
#if defined(CONFIG_BLE_MESH_RELAY_ADV_BUF)
static bool ignore_relay_packet(u32_t timestamp)
{
u32_t now = k_uptime_get_32();
u32_t interval = 0U;
if (now >= timestamp) {
interval = now - timestamp;
} else {
interval = BLE_MESH_MAX_TIME_INTERVAL - (timestamp - now) + 1;
}
return (interval >= BLE_MESH_RELAY_TIME_INTERVAL) ? true : false;
}
static struct bt_mesh_adv *relay_adv_alloc(int id)
{
return &relay_adv_pool[id];
}
struct net_buf *bt_mesh_relay_adv_create(enum bt_mesh_adv_type type, u8_t xmit,
s32_t timeout)
{
return bt_mesh_adv_create_from_pool(&relay_adv_buf_pool, relay_adv_alloc, type,
xmit, timeout);
}
static void ble_mesh_relay_task_post(bt_mesh_msg_t *msg, uint32_t timeout)
{
QueueSetMemberHandle_t handle = NULL;
bt_mesh_msg_t old_msg = {0};
BT_DBG("%s", __func__);
if (relay_queue.handle == NULL) {
BT_ERR("Invalid relay queue");
return;
}
if (xQueueSend(relay_queue.handle, msg, timeout) == pdTRUE) {
return;
}
/**
* If failed to send packet to the relay queue(queue is full), we will
* remove the oldest packet in the queue and put the new one into it.
*/
handle = xQueueSelectFromSet(mesh_queue_set, K_NO_WAIT);
if (handle && uxQueueMessagesWaiting(relay_queue.handle)) {
BT_INFO("Full queue, remove the oldest relay packet");
/* Remove the oldest relay packet from queue */
if (xQueueReceive(relay_queue.handle, &old_msg, K_NO_WAIT) != pdTRUE) {
BT_ERR("Failed to remove item from queue");
bt_mesh_unref_buf(msg);
return;
}
/* Unref buf used for the oldest relay packet */
bt_mesh_unref_buf(&old_msg);
/* Send the latest relay packet to queue */
if (xQueueSend(relay_queue.handle, msg, K_NO_WAIT) != pdTRUE) {
BT_ERR("Failed to send item to relay queue");
bt_mesh_unref_buf(msg);
return;
}
} else {
BT_WARN("Empty queue, but failed to send the relay packet");
bt_mesh_unref_buf(msg);
}
}
void bt_mesh_relay_adv_send(struct net_buf *buf, const struct bt_mesh_send_cb *cb,
void *cb_data, u16_t src, u16_t dst)
{
bt_mesh_msg_t msg = {
.relay = true,
};
BT_DBG("type 0x%02x len %u: %s", BLE_MESH_ADV(buf)->type, buf->len,
bt_hex(buf->data, buf->len));
BLE_MESH_ADV(buf)->cb = cb;
BLE_MESH_ADV(buf)->cb_data = cb_data;
BLE_MESH_ADV(buf)->busy = 1U;
msg.arg = (void *)net_buf_ref(buf);
msg.src = src;
msg.dst = dst;
msg.timestamp = k_uptime_get_32();
/* Use K_NO_WAIT here, if relay_queue is full return immediately */
ble_mesh_relay_task_post(&msg, K_NO_WAIT);
}
u16_t bt_mesh_get_stored_relay_count(void)
{
return (u16_t)uxQueueMessagesWaiting(relay_queue.handle);
}
#endif /* #if defined(CONFIG_BLE_MESH_RELAY_ADV_BUF) */
const bt_mesh_addr_t *bt_mesh_get_unprov_dev_addr(void)
{
return dev_addr;
}
#if (CONFIG_BLE_MESH_PROVISIONER && CONFIG_BLE_MESH_PB_GATT) || \
CONFIG_BLE_MESH_GATT_PROXY_CLIENT
static bool adv_flags_valid(struct net_buf_simple *buf)
{
u8_t flags = 0U;
if (buf->len != 1U) {
BT_DBG("Unexpected adv flags length %d", buf->len);
return false;
}
flags = net_buf_simple_pull_u8(buf);
BT_DBG("Received adv pkt with flags: 0x%02x", flags);
/* Flags context will not be checked currently */
((void) flags);
return true;
}
static bool adv_service_uuid_valid(struct net_buf_simple *buf, u16_t *uuid)
{
if (buf->len != 2U) {
BT_DBG("Length not match mesh service uuid");
return false;
}
*uuid = net_buf_simple_pull_le16(buf);
BT_DBG("Received adv pkt with service UUID: %d", *uuid);
if (*uuid != BLE_MESH_UUID_MESH_PROV_VAL &&
*uuid != BLE_MESH_UUID_MESH_PROXY_VAL) {
return false;
}
if (*uuid == BLE_MESH_UUID_MESH_PROV_VAL &&
bt_mesh_is_provisioner_en() == false) {
return false;
}
if (*uuid == BLE_MESH_UUID_MESH_PROXY_VAL &&
!IS_ENABLED(CONFIG_BLE_MESH_GATT_PROXY_CLIENT)) {
return false;
}
return true;
}
#define BLE_MESH_PROV_SRV_DATA_LEN 0x12
#define BLE_MESH_PROXY_SRV_DATA_LEN1 0x09
#define BLE_MESH_PROXY_SRV_DATA_LEN2 0x11
static void handle_adv_service_data(struct net_buf_simple *buf,
const bt_mesh_addr_t *addr,
u16_t uuid, s8_t rssi)
{
u16_t type = 0U;
if (!buf || !addr) {
BT_ERR("%s, Invalid parameter", __func__);
return;
}
type = net_buf_simple_pull_le16(buf);
if (type != uuid) {
BT_DBG("Invalid Mesh Service Data UUID 0x%04x", type);
return;
}
switch (type) {
#if CONFIG_BLE_MESH_PROVISIONER && CONFIG_BLE_MESH_PB_GATT
case BLE_MESH_UUID_MESH_PROV_VAL:
if (bt_mesh_is_provisioner_en()) {
if (buf->len != BLE_MESH_PROV_SRV_DATA_LEN) {
BT_WARN("Invalid Mesh Prov Service Data length %d", buf->len);
return;
}
BT_DBG("Start to handle Mesh Prov Service Data");
bt_mesh_provisioner_prov_adv_recv(buf, addr, rssi);
}
break;
#endif
#if CONFIG_BLE_MESH_GATT_PROXY_CLIENT
case BLE_MESH_UUID_MESH_PROXY_VAL:
if (buf->len != BLE_MESH_PROXY_SRV_DATA_LEN1 &&
buf->len != BLE_MESH_PROXY_SRV_DATA_LEN2) {
BT_WARN("Invalid Mesh Proxy Service Data length %d", buf->len);
return;
}
BT_DBG("Start to handle Mesh Proxy Service Data");
bt_mesh_proxy_client_gatt_adv_recv(buf, addr, rssi);
break;
#endif
default:
break;
}
}
#endif
static void bt_mesh_scan_cb(const bt_mesh_addr_t *addr, s8_t rssi,
u8_t adv_type, struct net_buf_simple *buf)
{
#if (CONFIG_BLE_MESH_PROVISIONER && CONFIG_BLE_MESH_PB_GATT) || \
CONFIG_BLE_MESH_GATT_PROXY_CLIENT
u16_t uuid = 0U;
#endif
if (adv_type != BLE_MESH_ADV_NONCONN_IND && adv_type != BLE_MESH_ADV_IND) {
return;
}
BT_DBG("scan, len %u: %s", buf->len, bt_hex(buf->data, buf->len));
dev_addr = addr;
while (buf->len > 1) {
struct net_buf_simple_state state;
u8_t len, type;
len = net_buf_simple_pull_u8(buf);
/* Check for early termination */
if (len == 0U) {
return;
}
if (len > buf->len) {
BT_WARN("AD malformed");
return;
}
net_buf_simple_save(buf, &state);
type = net_buf_simple_pull_u8(buf);
buf->len = len - 1;
#if 0
/* TODO: Check with BLE Mesh BQB test cases */
if ((type == BLE_MESH_DATA_MESH_PROV || type == BLE_MESH_DATA_MESH_MESSAGE ||
type == BLE_MESH_DATA_MESH_BEACON) && (adv_type != BLE_MESH_ADV_NONCONN_IND)) {
BT_DBG("%s, ignore BLE Mesh packet (type 0x%02x) with adv_type 0x%02x",
__func__, type, adv_type);
return;
}
#endif
switch (type) {
case BLE_MESH_DATA_MESH_MESSAGE:
bt_mesh_net_recv(buf, rssi, BLE_MESH_NET_IF_ADV);
break;
#if CONFIG_BLE_MESH_PB_ADV
case BLE_MESH_DATA_MESH_PROV:
if (IS_ENABLED(CONFIG_BLE_MESH_NODE) && bt_mesh_is_node()) {
bt_mesh_pb_adv_recv(buf);
}
if (IS_ENABLED(CONFIG_BLE_MESH_PROVISIONER) && bt_mesh_is_provisioner_en()) {
bt_mesh_provisioner_pb_adv_recv(buf);
}
break;
#endif /* CONFIG_BLE_MESH_PB_ADV */
case BLE_MESH_DATA_MESH_BEACON:
bt_mesh_beacon_recv(buf, rssi);
break;
#if (CONFIG_BLE_MESH_PROVISIONER && CONFIG_BLE_MESH_PB_GATT) || \
CONFIG_BLE_MESH_GATT_PROXY_CLIENT
case BLE_MESH_DATA_FLAGS:
if (!adv_flags_valid(buf)) {
BT_DBG("Adv Flags mismatch, ignore this adv pkt");
return;
}
break;
case BLE_MESH_DATA_UUID16_ALL:
if (!adv_service_uuid_valid(buf, &uuid)) {
BT_DBG("Adv Service UUID mismatch, ignore this adv pkt");
return;
}
break;
case BLE_MESH_DATA_SVC_DATA16:
handle_adv_service_data(buf, addr, uuid, rssi);
break;
#endif
default:
break;
}
net_buf_simple_restore(buf, &state);
net_buf_simple_pull(buf, len);
}
return;
}
void bt_mesh_adv_init(void)
{
#if !CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC
adv_queue.handle = xQueueCreate(BLE_MESH_ADV_QUEUE_SIZE, sizeof(bt_mesh_msg_t));
__ASSERT(adv_queue.handle, "Failed to create queue");
#else /* !CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC */
#if CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC_EXTERNAL
adv_queue.buffer = heap_caps_calloc_prefer(1, sizeof(StaticQueue_t), 2, MALLOC_CAP_SPIRAM|MALLOC_CAP_8BIT, MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
#elif CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC_IRAM_8BIT
adv_queue.buffer = heap_caps_calloc_prefer(1, sizeof(StaticQueue_t), 2, MALLOC_CAP_INTERNAL|MALLOC_CAP_IRAM_8BIT, MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
#endif
__ASSERT(adv_queue.buffer, "Failed to create queue buffer");
#if CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC_EXTERNAL
adv_queue.storage = heap_caps_calloc_prefer(1, (BLE_MESH_ADV_QUEUE_SIZE * sizeof(bt_mesh_msg_t)), 2, MALLOC_CAP_SPIRAM|MALLOC_CAP_8BIT, MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
#elif CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC_IRAM_8BIT
adv_queue.storage = heap_caps_calloc_prefer(1, (BLE_MESH_ADV_QUEUE_SIZE * sizeof(bt_mesh_msg_t)), 2, MALLOC_CAP_INTERNAL|MALLOC_CAP_IRAM_8BIT, MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
#endif
__ASSERT(adv_queue.storage, "Failed to create queue storage");
adv_queue.handle = xQueueCreateStatic(BLE_MESH_ADV_QUEUE_SIZE, sizeof(bt_mesh_msg_t), (uint8_t*)adv_queue.storage, adv_queue.buffer);
__ASSERT(adv_queue.handle, "Failed to create static queue");
#endif /* !CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC */
#if defined(CONFIG_BLE_MESH_RELAY_ADV_BUF)
#if !CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC
relay_queue.handle = xQueueCreate(BLE_MESH_RELAY_QUEUE_SIZE, sizeof(bt_mesh_msg_t));
__ASSERT(relay_queue.handle, "Failed to create relay queue");
#else /* !CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC */
#if CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC_EXTERNAL
relay_queue.buffer = heap_caps_calloc_prefer(1, sizeof(StaticQueue_t), 2, MALLOC_CAP_SPIRAM|MALLOC_CAP_8BIT, MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
#elif CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC_IRAM_8BIT
relay_queue.buffer = heap_caps_calloc_prefer(1, sizeof(StaticQueue_t), 2, MALLOC_CAP_INTERNAL|MALLOC_CAP_IRAM_8BIT, MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
#endif
__ASSERT(relay_queue.buffer, "Failed to create relay queue buffer");
#if CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC_EXTERNAL
relay_queue.storage = heap_caps_calloc_prefer(1, (BLE_MESH_RELAY_QUEUE_SIZE * sizeof(bt_mesh_msg_t)), 2, MALLOC_CAP_SPIRAM|MALLOC_CAP_8BIT, MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
#elif CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC_IRAM_8BIT
relay_queue.storage = heap_caps_calloc_prefer(1, (BLE_MESH_RELAY_QUEUE_SIZE * sizeof(bt_mesh_msg_t)), 2, MALLOC_CAP_INTERNAL|MALLOC_CAP_IRAM_8BIT, MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
#endif
__ASSERT(relay_queue.storage, "Failed to create relay queue storage");
relay_queue.handle = xQueueCreateStatic(BLE_MESH_RELAY_QUEUE_SIZE, sizeof(bt_mesh_msg_t), (uint8_t*)relay_queue.storage, relay_queue.buffer);
__ASSERT(relay_queue.handle, "Failed to create static relay queue");
#endif /* !CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC */
mesh_queue_set = xQueueCreateSet(BLE_MESH_QUEUE_SET_SIZE);
__ASSERT(mesh_queue_set, "Failed to create queue set");
xQueueAddToSet(adv_queue.handle, mesh_queue_set);
xQueueAddToSet(relay_queue.handle, mesh_queue_set);
#endif /* defined(CONFIG_BLE_MESH_RELAY_ADV_BUF) */
#if (CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC_EXTERNAL && \
CONFIG_SPIRAM_CACHE_WORKAROUND && \
CONFIG_SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY)
adv_task.task = heap_caps_calloc(1, sizeof(StaticTask_t), MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
__ASSERT(adv_task.task, "Failed to create adv thread task");
adv_task.stack = heap_caps_calloc_prefer(1, BLE_MESH_ADV_TASK_STACK_SIZE * sizeof(StackType_t), 2, MALLOC_CAP_SPIRAM|MALLOC_CAP_8BIT, MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
__ASSERT(adv_task.stack, "Failed to create adv thread stack");
adv_task.handle = xTaskCreateStaticPinnedToCore(adv_thread, BLE_MESH_ADV_TASK_NAME, BLE_MESH_ADV_TASK_STACK_SIZE, NULL,
BLE_MESH_ADV_TASK_PRIO, adv_task.stack, adv_task.task, BLE_MESH_ADV_TASK_CORE);
__ASSERT(adv_task.handle, "Failed to create static adv thread");
#else /* CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC_EXTERNAL && CONFIG_SPIRAM_CACHE_WORKAROUND && CONFIG_SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY */
int ret = xTaskCreatePinnedToCore(adv_thread, BLE_MESH_ADV_TASK_NAME, BLE_MESH_ADV_TASK_STACK_SIZE, NULL,
BLE_MESH_ADV_TASK_PRIO, &adv_task.handle, BLE_MESH_ADV_TASK_CORE);
__ASSERT(ret == pdTRUE, "Failed to create adv thread");
#endif /* CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC_EXTERNAL && CONFIG_SPIRAM_CACHE_WORKAROUND && CONFIG_SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY */
}
void bt_mesh_adv_deinit(void)
{
if (adv_queue.handle == NULL) {
return;
}
vTaskDelete(adv_task.handle);
adv_task.handle = NULL;
#if (CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC_EXTERNAL && \
CONFIG_SPIRAM_CACHE_WORKAROUND && \
CONFIG_SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY)
heap_caps_free(adv_task.stack);
adv_task.stack = NULL;
heap_caps_free(adv_task.task);
adv_task.task = NULL;
#endif
#if defined(CONFIG_BLE_MESH_RELAY_ADV_BUF)
xQueueRemoveFromSet(adv_queue.handle, mesh_queue_set);
xQueueRemoveFromSet(relay_queue.handle, mesh_queue_set);
vQueueDelete(relay_queue.handle);
relay_queue.handle = NULL;
#if CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC
heap_caps_free(relay_queue.buffer);
relay_queue.buffer = NULL;
heap_caps_free(relay_queue.storage);
relay_queue.storage = NULL;
#endif
bt_mesh_unref_buf_from_pool(&relay_adv_buf_pool);
memset(relay_adv_pool, 0, sizeof(relay_adv_pool));
vQueueDelete(mesh_queue_set);
mesh_queue_set = NULL;
#endif /* defined(CONFIG_BLE_MESH_RELAY_ADV_BUF) */
vQueueDelete(adv_queue.handle);
adv_queue.handle = NULL;
#if CONFIG_BLE_MESH_FREERTOS_STATIC_ALLOC
heap_caps_free(adv_queue.buffer);
adv_queue.buffer = NULL;
heap_caps_free(adv_queue.storage);
adv_queue.storage = NULL;
#endif
bt_mesh_unref_buf_from_pool(&adv_buf_pool);
memset(adv_pool, 0, sizeof(adv_pool));
#if CONFIG_BLE_MESH_SUPPORT_BLE_ADV
bt_mesh_ble_adv_deinit();
#endif
}
int bt_mesh_scan_enable(void)
{
int err = 0;
struct bt_mesh_scan_param scan_param = {
.type = BLE_MESH_SCAN_PASSIVE,
#if defined(CONFIG_BLE_MESH_USE_DUPLICATE_SCAN)
.filter_dup = BLE_MESH_SCAN_FILTER_DUP_ENABLE,
#else
.filter_dup = BLE_MESH_SCAN_FILTER_DUP_DISABLE,
#endif
.interval = MESH_SCAN_INTERVAL,
.window = MESH_SCAN_WINDOW,
.scan_fil_policy = BLE_MESH_SP_ADV_ALL,
};
BT_DBG("%s", __func__);
err = bt_le_scan_start(&scan_param, bt_mesh_scan_cb);
if (err && err != -EALREADY) {
BT_ERR("starting scan failed (err %d)", err);
return err;
}
return 0;
}
int bt_mesh_scan_disable(void)
{
int err = 0;
BT_DBG("%s", __func__);
err = bt_le_scan_stop();
if (err && err != -EALREADY) {
BT_ERR("stopping scan failed (err %d)", err);
return err;
}
return 0;
}
#if CONFIG_BLE_MESH_TEST_USE_WHITE_LIST
int bt_mesh_scan_with_wl_enable(void)
{
int err = 0;
struct bt_mesh_scan_param scan_param = {
.type = BLE_MESH_SCAN_PASSIVE,
#if defined(CONFIG_BLE_MESH_USE_DUPLICATE_SCAN)
.filter_dup = BLE_MESH_SCAN_FILTER_DUP_ENABLE,
#else
.filter_dup = BLE_MESH_SCAN_FILTER_DUP_DISABLE,
#endif
.interval = MESH_SCAN_INTERVAL,
.window = MESH_SCAN_WINDOW,
.scan_fil_policy = BLE_MESH_SP_ADV_WL,
};
BT_DBG("%s", __func__);
err = bt_le_scan_start(&scan_param, bt_mesh_scan_cb);
if (err && err != -EALREADY) {
BT_ERR("starting scan failed (err %d)", err);
return err;
}
return 0;
}
#endif /* CONFIG_BLE_MESH_TEST_USE_WHITE_LIST */
#if CONFIG_BLE_MESH_SUPPORT_BLE_ADV
static struct bt_mesh_adv *ble_adv_alloc(int id)
{
return &ble_adv_pool[id];
}
static struct net_buf *bt_mesh_ble_adv_create(enum bt_mesh_adv_type type, u8_t xmit, s32_t timeout)
{
return bt_mesh_adv_create_from_pool(&ble_adv_buf_pool, ble_adv_alloc, type,
xmit, timeout);
}
static void bt_mesh_ble_adv_send(struct net_buf *buf, const struct bt_mesh_send_cb *cb,
void *cb_data, bool front)
{
bt_mesh_msg_t msg = {
.relay = false,
};
BT_DBG("type 0x%02x len %u: %s", BLE_MESH_ADV(buf)->type, buf->len,
bt_hex(buf->data, buf->len));
BLE_MESH_ADV(buf)->cb = cb;
BLE_MESH_ADV(buf)->cb_data = cb_data;
BLE_MESH_ADV(buf)->busy = 1U;
bt_mesh_adv_buf_ref_debug(__func__, buf, 3U, BLE_MESH_BUF_REF_SMALL);
msg.arg = (void *)net_buf_ref(buf);
bt_mesh_task_post(&msg, portMAX_DELAY, front);
}
static void ble_adv_tx_reset(struct ble_adv_tx *tx, bool unref)
{
if (tx->buf == NULL) {
return;
}
if (bt_mesh_atomic_test_bit(tx->flags, TIMER_INIT)) {
k_delayed_work_free(&tx->resend);
}
bt_mesh_atomic_set(tx->flags, 0);
memset(&tx->param, 0, sizeof(tx->param));
BLE_MESH_ADV(tx->buf)->busy = 0U;
if (unref) {
net_buf_unref(tx->buf);
}
tx->buf = NULL;
}
static void ble_adv_send_start(u16_t duration, int err, void *cb_data)
{
struct ble_adv_tx *tx = cb_data;
BT_DBG("%s, duration %d, err %d", __func__, duration, err);
/* If failed to send BLE adv packet, and param->count is not 0
* which means the timer has been initialized, here we need to
* free the timer.
*/
if (err) {
ble_adv_tx_reset(tx, true);
}
}
static void ble_adv_send_end(int err, void *cb_data)
{
struct ble_adv_tx *tx = cb_data;
BT_DBG("%s, err %d", __func__, err);
if (err) {
ble_adv_tx_reset(tx, true);
return;
}
if (tx->param.count) {
if (tx->param.period) {
k_delayed_work_submit(&tx->resend, tx->param.period);
} else {
k_work_submit(&tx->resend.work);
}
} else {
ble_adv_tx_reset(tx, true);
}
}
static struct bt_mesh_send_cb ble_adv_send_cb = {
.start = ble_adv_send_start,
.end = ble_adv_send_end,
};
static void ble_adv_resend(struct k_work *work)
{
struct ble_adv_tx *tx = CONTAINER_OF(work, struct ble_adv_tx, resend.work);
bool front = false;
if (tx->buf == NULL) {
/* The advertising has been cancelled */
return;
}
front = (tx->param.priority == BLE_MESH_BLE_ADV_PRIO_HIGH) ? true : false;
bt_mesh_ble_adv_send(tx->buf, &ble_adv_send_cb, tx, front);
if (tx->param.count == SEND_BLE_ADV_INFINITE) {
/* Send the BLE advertising packet infinitely */
return;
}
if (tx->param.count > 0U) {
tx->param.count--;
}
}
int bt_mesh_start_ble_advertising(const struct bt_mesh_ble_adv_param *param,
const struct bt_mesh_ble_adv_data *data, u8_t *index)
{
struct ble_adv_tx *tx = NULL;
struct net_buf *buf = NULL;
bool front = false;
if (param == NULL || index == NULL) {
BT_ERR("%s, Invalid parameter", __func__);
return -EINVAL;
}
if (param->adv_type != BLE_MESH_ADV_DIRECT_IND &&
(param->interval < 0x20 || param->interval > 0x4000)) {
BT_ERR("Invalid adv interval 0x%04x", param->interval);
return -EINVAL;
}
if (param->adv_type > BLE_MESH_ADV_DIRECT_IND_LOW_DUTY) {
BT_ERR("Invalid adv type 0x%02x", param->adv_type);
return -EINVAL;
}
if (param->own_addr_type > BLE_MESH_ADDR_RANDOM_ID) {
BT_ERR("Invalid own addr type 0x%02x", param->own_addr_type);
return -EINVAL;
}
if ((param->own_addr_type == BLE_MESH_ADDR_PUBLIC_ID ||
param->own_addr_type == BLE_MESH_ADDR_RANDOM_ID ||
param->adv_type == BLE_MESH_ADV_DIRECT_IND ||
param->adv_type == BLE_MESH_ADV_DIRECT_IND_LOW_DUTY) &&
param->peer_addr_type > BLE_MESH_ADDR_RANDOM) {
BT_ERR("Invalid peer addr type 0x%02x", param->peer_addr_type);
return -EINVAL;
}
if (data && (data->adv_data_len > 31 || data->scan_rsp_data_len > 31)) {
BT_ERR("Invalid adv data length (adv %d, scan rsp %d)",
data->adv_data_len, data->scan_rsp_data_len);
return -EINVAL;
}
if (param->priority > BLE_MESH_BLE_ADV_PRIO_HIGH) {
BT_ERR("Invalid adv priority %d", param->priority);
return -EINVAL;
}
if (param->duration < ADV_SCAN_INT(param->interval)) {
BT_ERR("Too small duration %dms", param->duration);
return -EINVAL;
}
buf = bt_mesh_ble_adv_create(BLE_MESH_ADV_BLE, 0U, K_NO_WAIT);
if (!buf) {
BT_ERR("Unable to allocate buffer");
return -ENOBUFS;
}
/* Set advertising data and scan response data */
memset(buf->data, 0, buf->size);
if (data) {
net_buf_add_u8(buf, data->adv_data_len);
if (data->adv_data_len) {
net_buf_add_mem(buf, data->adv_data, data->adv_data_len);
}
net_buf_add_u8(buf, data->scan_rsp_data_len);
if (data->scan_rsp_data_len) {
net_buf_add_mem(buf, data->scan_rsp_data, data->scan_rsp_data_len);
}
}
*index = net_buf_id(buf);
tx = &ble_adv_tx[*index];
tx->buf = buf;
memcpy(&tx->param, param, sizeof(tx->param));
front = (tx->param.priority == BLE_MESH_BLE_ADV_PRIO_HIGH) ? true : false;
bt_mesh_ble_adv_send(buf, &ble_adv_send_cb, tx, front);
if (param->count) {
if (k_delayed_work_init(&tx->resend, ble_adv_resend)) {
/* If failed to create a timer, the BLE adv packet will be
* sent only once. Just give a warning here, and since the
* BLE adv packet can be sent, return 0 here.
*/
BT_WARN("Send BLE adv packet only once");
tx->param.count = 0;
net_buf_unref(buf);
return 0;
}
bt_mesh_atomic_set_bit(tx->flags, TIMER_INIT);
} else {
/* Send the BLE advertising packet only once */
net_buf_unref(buf);
}
return 0;
}
int bt_mesh_stop_ble_advertising(u8_t index)
{
struct ble_adv_tx *tx = NULL;
bool unref = true;
if (index >= ARRAY_SIZE(ble_adv_tx)) {
BT_ERR("Invalid adv index %d", index);
return -EINVAL;
}
tx = &ble_adv_tx[index];
if (tx->buf == NULL) {
BT_WARN("Already stopped, index %d", index);
return 0;
}
/* busy 1, ref 1; busy 1, ref 2;
* busy 0, ref 0; busy 0, ref 1;
*/
if (BLE_MESH_ADV(tx->buf)->busy == 1U &&
tx->buf->ref == 1U) {
unref = false;
}
ble_adv_tx_reset(tx, unref);
return 0;
}
static void bt_mesh_ble_adv_deinit(void)
{
for (int i = 0; i < ARRAY_SIZE(ble_adv_tx); i++) {
struct ble_adv_tx *tx = &ble_adv_tx[i];
ble_adv_tx_reset(tx, false);
}
bt_mesh_unref_buf_from_pool(&ble_adv_buf_pool);
memset(ble_adv_pool, 0, sizeof(ble_adv_pool));
}
#endif /* CONFIG_BLE_MESH_SUPPORT_BLE_ADV */
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