feat(ble): support memory allocation check debug feature on ESP32-C2

(cherry picked from commit 7ef90d4113)

Co-authored-by: cjin <jinchen@espressif.com>

components/bt/controller/esp32c2/Kconfig.in

@@ -281,94 +281,103 @@ config BT_LE_CONTROLLER_TASK_STACK_SIZE
     help
         This configures stack size of NimBLE controller task
 
-menuconfig BT_LE_CONTROLLER_LOG_ENABLED
-    bool "Controller log enable"
-    default n
-    help
-        Enable controller log
+menu "Controller debug features"
+    menuconfig BT_LE_CONTROLLER_LOG_ENABLED
+        bool "Controller log enable"
+        default n
+        help
+            Enable controller log
 
-config BT_LE_CONTROLLER_LOG_CTRL_ENABLED
-    bool "enable controller log module"
-    depends on BT_LE_CONTROLLER_LOG_ENABLED
-    default y
-    help
-            Enable controller log module
+    config BT_LE_CONTROLLER_LOG_CTRL_ENABLED
+        bool "enable controller log module"
+        depends on BT_LE_CONTROLLER_LOG_ENABLED
+        default y
+        help
+                Enable controller log module
 
-config BT_LE_CONTROLLER_LOG_HCI_ENABLED
-    bool "enable HCI log module"
-    depends on BT_LE_CONTROLLER_LOG_ENABLED
-    default y
-    help
-            Enable hci log module
+    config BT_LE_CONTROLLER_LOG_HCI_ENABLED
+        bool "enable HCI log module"
+        depends on BT_LE_CONTROLLER_LOG_ENABLED
+        default y
+        help
+                Enable hci log module
 
-config BT_LE_CONTROLLER_LOG_DUMP_ONLY
-    bool "Controller log dump mode only"
-    depends on BT_LE_CONTROLLER_LOG_ENABLED
-    default y
-    help
-            Only operate in dump mode
+    config BT_LE_CONTROLLER_LOG_DUMP_ONLY
+        bool "Controller log dump mode only"
+        depends on BT_LE_CONTROLLER_LOG_ENABLED
+        default y
+        help
+                Only operate in dump mode
 
-config BT_LE_CONTROLLER_LOG_SPI_OUT_ENABLED
-    bool "Output ble controller logs to SPI bus (Experimental)"
-    depends on BT_LE_CONTROLLER_LOG_ENABLED
-    depends on !BT_LE_CONTROLLER_LOG_DUMP_ONLY
-    select BT_BLE_LOG_SPI_OUT_ENABLED
-    default n
-    help
-        Output ble controller logs to SPI bus
+    config BT_LE_CONTROLLER_LOG_SPI_OUT_ENABLED
+        bool "Output ble controller logs to SPI bus (Experimental)"
+        depends on BT_LE_CONTROLLER_LOG_ENABLED
+        depends on !BT_LE_CONTROLLER_LOG_DUMP_ONLY
+        select BT_BLE_LOG_SPI_OUT_ENABLED
+        default n
+        help
+            Output ble controller logs to SPI bus
 
-config BT_LE_CONTROLLER_LOG_STORAGE_ENABLE
-    bool "Store ble controller logs to flash(Experimental)"
-    depends on !BT_LE_CONTROLLER_LOG_DUMP_ONLY
-    depends on BT_LE_CONTROLLER_LOG_ENABLED
-    default n
-    help
-            Store ble controller logs to flash memory.
+    config BT_LE_CONTROLLER_LOG_STORAGE_ENABLE
+        bool "Store ble controller logs to flash(Experimental)"
+        depends on !BT_LE_CONTROLLER_LOG_DUMP_ONLY
+        depends on BT_LE_CONTROLLER_LOG_ENABLED
+        default n
+        help
+                Store ble controller logs to flash memory.
 
-config BT_LE_CONTROLLER_LOG_PARTITION_SIZE
-    int "size of ble controller log partition(Multiples of 4K)"
-    depends on BT_LE_CONTROLLER_LOG_STORAGE_ENABLE
-    default 65536
-    help
-            The size of ble controller log partition shall be a multiples of 4K.
-            The name of log partition shall be "bt_ctrl_log".
-            The partition type shall be ESP_PARTITION_TYPE_DATA.
-            The partition sub_type shall be ESP_PARTITION_SUBTYPE_ANY.
+    config BT_LE_CONTROLLER_LOG_PARTITION_SIZE
+        int "size of ble controller log partition(Multiples of 4K)"
+        depends on BT_LE_CONTROLLER_LOG_STORAGE_ENABLE
+        default 65536
+        help
+                The size of ble controller log partition shall be a multiples of 4K.
+                The name of log partition shall be "bt_ctrl_log".
+                The partition type shall be ESP_PARTITION_TYPE_DATA.
+                The partition sub_type shall be ESP_PARTITION_SUBTYPE_ANY.
 
-config BT_LE_LOG_CTRL_BUF1_SIZE
-    int "size of the first BLE controller LOG buffer"
-    depends on BT_LE_CONTROLLER_LOG_ENABLED
-    default 4096
-    help
-            Configure the size of the first BLE controller LOG buffer.
+    config BT_LE_LOG_CTRL_BUF1_SIZE
+        int "size of the first BLE controller LOG buffer"
+        depends on BT_LE_CONTROLLER_LOG_ENABLED
+        default 4096
+        help
+                Configure the size of the first BLE controller LOG buffer.
 
-config BT_LE_LOG_CTRL_BUF2_SIZE
-    int "size of the second BLE controller LOG buffer"
-    depends on BT_LE_CONTROLLER_LOG_ENABLED
-    default 1024
-    help
-            Configure the size of the second BLE controller LOG buffer.
+    config BT_LE_LOG_CTRL_BUF2_SIZE
+        int "size of the second BLE controller LOG buffer"
+        depends on BT_LE_CONTROLLER_LOG_ENABLED
+        default 1024
+        help
+                Configure the size of the second BLE controller LOG buffer.
 
-config BT_LE_LOG_HCI_BUF_SIZE
-    int "size of the BLE HCI LOG buffer"
-    depends on BT_LE_CONTROLLER_LOG_ENABLED
-    default 4096
-    help
-            Configure the size of the BLE HCI LOG buffer.
+    config BT_LE_LOG_HCI_BUF_SIZE
+        int "size of the BLE HCI LOG buffer"
+        depends on BT_LE_CONTROLLER_LOG_ENABLED
+        default 4096
+        help
+                Configure the size of the BLE HCI LOG buffer.
 
-config BT_LE_CONTROLLER_LOG_WRAP_PANIC_HANDLER_ENABLE
-    bool "Enable wrap panic handler"
-    depends on BT_LE_CONTROLLER_LOG_ENABLED
-    default n
-    help
-        Wrap esp_panic_handler to get controller logs when PC pointer exception crashes.
+    config BT_LE_CONTROLLER_LOG_WRAP_PANIC_HANDLER_ENABLE
+        bool "Enable wrap panic handler"
+        depends on BT_LE_CONTROLLER_LOG_ENABLED
+        default n
+        help
+            Wrap esp_panic_handler to get controller logs when PC pointer exception crashes.
+
+    config BT_LE_CONTROLLER_LOG_TASK_WDT_USER_HANDLER_ENABLE
+        bool "Enable esp_task_wdt_isr_user_handler implementation"
+        depends on BT_LE_CONTROLLER_LOG_ENABLED
+        default n
+        help
+            Implement esp_task_wdt_isr_user_handler to get controller logs when task wdt issue is triggered.
+
+    config BT_LE_MEM_CHECK_ENABLED
+        bool "Enable memory allocation check"
+        default n
+        help
+            Used in internal tests only. Enable the memory allocation check.
+endmenu
 
-config BT_LE_CONTROLLER_LOG_TASK_WDT_USER_HANDLER_ENABLE
-    bool "Enable esp_task_wdt_isr_user_handler implementation"
-    depends on BT_LE_CONTROLLER_LOG_ENABLED
-    default n
-    help
-        Implement esp_task_wdt_isr_user_handler to get controller logs when task wdt issue is triggered.
 config BT_LE_LL_RESOLV_LIST_SIZE
     int "BLE LL Resolving list size"
     range 1 5

components/bt/controller/esp32c2/bt.c

@@ -1573,3 +1573,10 @@ int ble_sm_alg_gen_key_pair(uint8_t *pub, uint8_t *priv)
 
 #endif // CONFIG_BT_LE_SM_LEGACY || CONFIG_BT_LE_SM_SC
 #endif // (!CONFIG_BT_NIMBLE_ENABLED) && (CONFIG_BT_CONTROLLER_ENABLED)
+
+#if CONFIG_BT_LE_MEM_CHECK_ENABLED
+void ble_memory_count_limit_set(uint16_t count_limit)
+{
+    bt_osi_mem_count_limit_set(count_limit);
+}
+#endif // CONFIG_BT_LE_MEM_CHECK_ENABLED

components/bt/include/esp32c2/include/esp_bt.h

@@ -446,6 +446,10 @@ uint32_t esp_bt_get_lpclk_freq(void);
 
 void esp_bt_set_lpclk_freq(uint32_t clk_freq);
 
+#if CONFIG_BT_LE_MEM_CHECK_ENABLED
+void ble_memory_count_limit_set(uint16_t count_limit);
+#endif // CONFIG_BT_LE_MEM_CHECK_ENABLED
+
 #ifdef __cplusplus
 }
 #endif

components/bt/porting/include/bt_osi_mem.h

@@ -19,3 +19,7 @@ void *bt_osi_mem_malloc_internal(size_t size);
 void *bt_osi_mem_calloc_internal(size_t n, size_t size);
 
 void bt_osi_mem_free(void *ptr);
+
+#if CONFIG_BT_LE_MEM_CHECK_ENABLED
+void bt_osi_mem_count_limit_set(uint16_t count_limit);
+#endif // CONFIG_BT_LE_MEM_CHECK_ENABLED

components/bt/porting/mem/bt_osi_mem.c

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -11,6 +11,10 @@
 #include <assert.h>
 
 static uint8_t log_count;
+#if CONFIG_BT_LE_MEM_CHECK_ENABLED
+static uint16_t mem_count_limit = 0;
+static uint16_t curr_mem_count;
+#endif // CONFIG_BT_LE_MEM_CHECK_ENABLED
 IRAM_ATTR void *bt_osi_mem_malloc(size_t size)
 {
     void *mem = NULL;
@@ -49,11 +53,27 @@ IRAM_ATTR void *bt_osi_mem_calloc(size_t n, size_t size)
 
 IRAM_ATTR void *bt_osi_mem_malloc_internal(size_t size)
 {
+#if CONFIG_BT_LE_MEM_CHECK_ENABLED
+    if (mem_count_limit) {
+        if (curr_mem_count > mem_count_limit) {
+            return NULL;
+        }
+        curr_mem_count ++;
+    }
+#endif  // CONFIG_BT_LE_MEM_CHECK_ENABLED
     return heap_caps_malloc(size, MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT|MALLOC_CAP_DMA);
 }
 
 IRAM_ATTR void *bt_osi_mem_calloc_internal(size_t n, size_t size)
 {
+#if CONFIG_BT_LE_MEM_CHECK_ENABLED
+    if (mem_count_limit) {
+        if (curr_mem_count > mem_count_limit) {
+            return NULL;
+        }
+        curr_mem_count ++;
+    }
+#endif  // CONFIG_BT_LE_MEM_CHECK_ENABLED
     return heap_caps_calloc(n, size, MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT|MALLOC_CAP_DMA);
 }
 
@@ -61,3 +81,11 @@ IRAM_ATTR void bt_osi_mem_free(void *ptr)
 {
     heap_caps_free(ptr);
 }
+
+#if CONFIG_BT_LE_MEM_CHECK_ENABLED
+void bt_osi_mem_count_limit_set(uint16_t count_limit)
+{
+    mem_count_limit = count_limit;
+    curr_mem_count = 0;
+}
+#endif // CONFIG_BT_LE_MEM_CHECK_ENABLED