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feat(ble_mesh): add adv lock to avoid allocated buffers

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luoxu
2025-06-24 10:47:43 +08:00
committed by Luo Xu
parent 334e2bf8ab
commit 4905b6eae1
1 changed files with 8 additions and 2 deletions
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10
components/bt/esp_ble_mesh/core/adv_common.c
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@@ -2,7 +2,7 @@
/*
* SPDX-FileCopyrightText: 2017 Intel Corporation
* SPDX-FileContributor: 2018-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileContributor: 2018-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -34,6 +34,8 @@ struct bt_mesh_adv_queue relay_adv_queue;
#endif
static bt_mesh_mutex_t adv_buf_alloc_lock;
#if CONFIG_BLE_MESH_FRIEND
/* We reserve one extra buffer for each friendship, since we need to be able
* to resend the last sent PDU, which sits separately outside of the queue.
@@ -344,8 +346,10 @@ struct net_buf *bt_mesh_adv_create_from_pool(enum bt_mesh_adv_type type,
return NULL;
}
bt_mesh_r_mutex_lock(&adv_buf_alloc_lock);
buf = net_buf_alloc(pool, timeout);
if (!buf) {
bt_mesh_r_mutex_unlock(&adv_buf_alloc_lock);
BT_WARN("Buf alloc failed");
return NULL;
}
@@ -359,7 +363,7 @@ struct net_buf *bt_mesh_adv_create_from_pool(enum bt_mesh_adv_type type,
(void)memset(adv, 0, sizeof(*adv));
adv->type = type;
bt_mesh_r_mutex_unlock(&adv_buf_alloc_lock);
return buf;
}
@@ -620,6 +624,7 @@ void bt_mesh_adv_task_init(void adv_thread(void *p))
void bt_mesh_adv_common_init(void)
{
bt_mesh_r_mutex_create(&adv_buf_alloc_lock);
bt_mesh_adv_queue_init(&adv_queue, BLE_MESH_ADV_QUEUE_SIZE, bt_mesh_task_post);
bt_mesh_adv_type_init(BLE_MESH_ADV_PROV, &adv_queue, &adv_buf_pool, adv_alloc);
bt_mesh_adv_type_init(BLE_MESH_ADV_DATA, &adv_queue, &adv_buf_pool, adv_alloc);
@@ -679,5 +684,6 @@ void bt_mesh_adv_common_deinit(void)
bt_mesh_unref_buf_from_pool(&adv_buf_pool);
memset(adv_pool, 0, sizeof(adv_pool));
bt_mesh_r_mutex_free(&adv_buf_alloc_lock);
}
#endif /* CONFIG_BLE_MESH_DEINIT */