esp-idf/components/bt/host/bluedroid/stack/btu/btu_init.c
wangmengyang 9aa32bc499 components/bt: fixed the invalid workqueue number for BTU thread in Bluedroid
There should be only one workqueue for BTU task. The queue length for the second workqueue of BTU can be uninitialized and caused memory overflow and corruption.

Closes https://github.com/espressif/esp-idf/issues/9507
2022-08-11 16:17:17 +08:00

277 lines
7.6 KiB
C

/******************************************************************************
*
* Copyright (C) 2000-2012 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_defs.h"
#include "common/bt_target.h"
#include "common/bt_trace.h"
#include "device/controller.h"
#include "osi/alarm.h"
#include "osi/hash_map.h"
#include "osi/hash_functions.h"
#include "osi/thread.h"
#include "osi/mutex.h"
#include "l2c_int.h"
#include "stack/dyn_mem.h"
#include "stack/btu.h"
#include "btm_int.h"
#if SDP_INCLUDED == TRUE
#include "sdpint.h"
#endif
#if (BLE_INCLUDED == TRUE)
#include "stack/gatt_api.h"
#include "gatt_int.h"
#if SMP_INCLUDED == TRUE
#include "smp_int.h"
#endif
#endif
#define BTU_TASK_PINNED_TO_CORE (TASK_PINNED_TO_CORE)
#define BTU_TASK_STACK_SIZE (BT_BTU_TASK_STACK_SIZE + BT_TASK_EXTRA_STACK_SIZE)
#define BTU_TASK_PRIO (BT_TASK_MAX_PRIORITIES - 5)
#define BTU_TASK_NAME "BTU_TASK"
#define BTU_TASK_WORKQUEUE_NUM (1)
#define BTU_TASK_WORKQUEUE0_LEN (0)
hash_map_t *btu_general_alarm_hash_map;
osi_mutex_t btu_general_alarm_lock;
static const size_t BTU_GENERAL_ALARM_HASH_MAP_SIZE = 34;
hash_map_t *btu_oneshot_alarm_hash_map;
osi_mutex_t btu_oneshot_alarm_lock;
static const size_t BTU_ONESHOT_ALARM_HASH_MAP_SIZE = 34;
hash_map_t *btu_l2cap_alarm_hash_map;
osi_mutex_t btu_l2cap_alarm_lock;
static const size_t BTU_L2CAP_ALARM_HASH_MAP_SIZE = 34;
osi_thread_t *btu_thread = NULL;
extern void PLATFORM_DisableHciTransport(UINT8 bDisable);
extern void btu_task_thread_handler(void *arg);
void btu_task_start_up(void * param);
void btu_task_shut_down(void);
/*****************************************************************************
** V A R I A B L E S *
******************************************************************************/
// TODO(cmanton) Move this out of this file
const BD_ADDR BT_BD_ANY = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
/*****************************************************************************
**
** Function btu_init_core
**
** Description Initialize control block memory for each core component.
**
**
** Returns void
**
******************************************************************************/
void btu_init_core(void)
{
/* Initialize the mandatory core stack components */
btm_init();
l2c_init();
#if (defined(SDP_INCLUDED) && SDP_INCLUDED == TRUE)
sdp_init();
#endif
#if BLE_INCLUDED == TRUE
#if (defined(GATT_INCLUDED) && GATT_INCLUDED == true)
gatt_init();
#endif
#if (defined(SMP_INCLUDED) && SMP_INCLUDED == TRUE)
SMP_Init();
#endif
btm_ble_init();
#endif
}
/*****************************************************************************
**
** Function btu_free_core
**
** Description Releases control block memory for each core component.
**
**
** Returns void
**
******************************************************************************/
void btu_free_core(void)
{
// Free the mandatory core stack components
l2c_free();
#if (defined(SDP_INCLUDED) && SDP_INCLUDED == TRUE)
sdp_deinit();
#endif
#if BLE_INCLUDED == TRUE
#if (defined(GATT_INCLUDED) && GATT_INCLUDED == true)
gatt_free();
#endif
#if SMP_INCLUDED == TRUE
SMP_Free();
#endif
btm_ble_free();
#endif
btm_free();
}
/*****************************************************************************
**
** Function BTU_StartUp
**
** Description Initializes the BTU control block.
**
** NOTE: Must be called before creating any tasks
** (RPC, BTU, HCIT, APPL, etc.)
**
** Returns void
**
******************************************************************************/
void BTU_StartUp(void)
{
#if BTU_DYNAMIC_MEMORY
btu_cb_ptr = (tBTU_CB *)osi_malloc(sizeof(tBTU_CB));
#endif /* #if BTU_DYNAMIC_MEMORY */
memset (&btu_cb, 0, sizeof (tBTU_CB));
btu_cb.trace_level = HCI_INITIAL_TRACE_LEVEL;
btu_general_alarm_hash_map = hash_map_new(BTU_GENERAL_ALARM_HASH_MAP_SIZE,
hash_function_pointer, NULL, (data_free_fn)osi_alarm_free, NULL);
if (btu_general_alarm_hash_map == NULL) {
goto error_exit;
}
osi_mutex_new(&btu_general_alarm_lock);
btu_oneshot_alarm_hash_map = hash_map_new(BTU_ONESHOT_ALARM_HASH_MAP_SIZE,
hash_function_pointer, NULL, (data_free_fn)osi_alarm_free, NULL);
if (btu_oneshot_alarm_hash_map == NULL) {
goto error_exit;
}
osi_mutex_new(&btu_oneshot_alarm_lock);
btu_l2cap_alarm_hash_map = hash_map_new(BTU_L2CAP_ALARM_HASH_MAP_SIZE,
hash_function_pointer, NULL, (data_free_fn)osi_alarm_free, NULL);
if (btu_l2cap_alarm_hash_map == NULL) {
goto error_exit;
}
osi_mutex_new(&btu_l2cap_alarm_lock);
const size_t workqueue_len[] = {BTU_TASK_WORKQUEUE0_LEN};
btu_thread = osi_thread_create(BTU_TASK_NAME, BTU_TASK_STACK_SIZE, BTU_TASK_PRIO, BTU_TASK_PINNED_TO_CORE,
BTU_TASK_WORKQUEUE_NUM, workqueue_len);
if (btu_thread == NULL) {
goto error_exit;
}
if (btu_task_post(SIG_BTU_START_UP, NULL, OSI_THREAD_MAX_TIMEOUT) == false) {
goto error_exit;
}
return;
error_exit:;
LOG_ERROR("%s Unable to allocate resources for bt_workqueue", __func__);
BTU_ShutDown();
}
/*****************************************************************************
**
** Function BTU_ShutDown
**
** Description Deinitializes the BTU control block.
**
** Returns void
**
******************************************************************************/
void BTU_ShutDown(void)
{
#if BTU_DYNAMIC_MEMORY
FREE_AND_RESET(btu_cb_ptr);
#endif
btu_task_shut_down();
hash_map_free(btu_general_alarm_hash_map);
osi_mutex_free(&btu_general_alarm_lock);
hash_map_free(btu_oneshot_alarm_hash_map);
osi_mutex_free(&btu_oneshot_alarm_lock);
hash_map_free(btu_l2cap_alarm_hash_map);
osi_mutex_free(&btu_l2cap_alarm_lock);
if (btu_thread) {
osi_thread_free(btu_thread);
btu_thread = NULL;
}
btu_general_alarm_hash_map = NULL;
btu_oneshot_alarm_hash_map = NULL;
btu_l2cap_alarm_hash_map = NULL;
}
/*****************************************************************************
**
** Function BTU_BleAclPktSize
**
** Description export the BLE ACL packet size.
**
** Returns UINT16
**
******************************************************************************/
UINT16 BTU_BleAclPktSize(void)
{
#if BLE_INCLUDED == TRUE
return controller_get_interface()->get_acl_packet_size_ble();
#else
return 0;
#endif
}
#if SCAN_QUEUE_CONGEST_CHECK
bool BTU_check_queue_is_congest(void)
{
if (osi_thread_queue_wait_size(btu_thread, 0) >= BT_QUEUE_CONGEST_SIZE) {
return true;
}
return false;
}
#endif
int get_btu_work_queue_size(void)
{
return osi_thread_queue_wait_size(btu_thread, 0);
}
osi_thread_t *btu_get_current_thread(void)
{
return btu_thread;
}