diff --git a/components/bt/controller/esp32/bt.c b/components/bt/controller/esp32/bt.c
index d6576e02e2..db91dc728d 100644
--- a/components/bt/controller/esp32/bt.c
+++ b/components/bt/controller/esp32/bt.c
@@ -96,6 +96,7 @@ do{\
 #define OSI_VERSION              0x00010005
 #define OSI_MAGIC_VALUE          0xFADEBEAD
 
+#define BLE_CONTROLLER_MALLOC_CAPS        (MALLOC_CAP_8BIT|MALLOC_CAP_DMA|MALLOC_CAP_INTERNAL)
 /* Types definition
  ************************************************************************
  */
@@ -868,7 +869,21 @@ static int IRAM_ATTR cause_sw_intr_to_core_wrapper(int core_id, int intr_no)
 
 static void *malloc_internal_wrapper(size_t size)
 {
-    return heap_caps_malloc(size, MALLOC_CAP_8BIT|MALLOC_CAP_DMA|MALLOC_CAP_INTERNAL);
+    return heap_caps_malloc(size, BLE_CONTROLLER_MALLOC_CAPS);
+}
+
+void *malloc_ble_controller_mem(size_t size)
+{
+    void *p = heap_caps_malloc(size, BLE_CONTROLLER_MALLOC_CAPS);
+    if(p == NULL) {
+        ESP_LOGE(BTDM_LOG_TAG, "Malloc failed");
+    }
+    return p;
+}
+
+uint32_t get_ble_controller_free_heap_size(void)
+{
+    return heap_caps_get_free_size(BLE_CONTROLLER_MALLOC_CAPS);
 }
 
 static int32_t IRAM_ATTR read_mac_wrapper(uint8_t mac[6])
diff --git a/components/bt/controller/esp32c3/bt.c b/components/bt/controller/esp32c3/bt.c
index 4cfd7a53cd..2c82b070d1 100644
--- a/components/bt/controller/esp32c3/bt.c
+++ b/components/bt/controller/esp32c3/bt.c
@@ -120,6 +120,7 @@ do{\
 
 #define BLE_PWR_HDL_INVL 0xFFFF
 
+#define BLE_CONTROLLER_MALLOC_CAPS        (MALLOC_CAP_INTERNAL|MALLOC_CAP_DMA)
 /* Types definition
  ************************************************************************
  */
@@ -689,13 +690,27 @@ static bool IRAM_ATTR is_in_isr_wrapper(void)
 
 static void *malloc_internal_wrapper(size_t size)
 {
-    void *p = heap_caps_malloc(size, MALLOC_CAP_INTERNAL|MALLOC_CAP_DMA);
+    void *p = heap_caps_malloc(size, BLE_CONTROLLER_MALLOC_CAPS);
     if(p == NULL) {
         ESP_LOGE(BT_LOG_TAG, "Malloc failed");
     }
     return p;
 }
 
+void *malloc_ble_controller_mem(size_t size)
+{
+    void *p = heap_caps_malloc(size, BLE_CONTROLLER_MALLOC_CAPS);
+    if(p == NULL) {
+        ESP_LOGE(BT_LOG_TAG, "Malloc failed");
+    }
+    return p;
+}
+
+uint32_t get_ble_controller_free_heap_size(void)
+{
+    return heap_caps_get_free_size(BLE_CONTROLLER_MALLOC_CAPS);
+}
+
 static int IRAM_ATTR read_mac_wrapper(uint8_t mac[6])
 {
     int ret = esp_read_mac(mac, ESP_MAC_BT);