feat(bt/bluedroid): support BLE set privacy mode

components/bt/host/bluedroid/api/esp_gap_ble_api.c

@@ -1014,6 +1014,25 @@ esp_err_t esp_ble_dtm_stop(void)
     return (btc_transfer_context(&msg, NULL, 0, NULL, NULL) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
 }
 
+esp_err_t esp_ble_gap_set_privacy_mode(esp_ble_addr_type_t addr_type, esp_bd_addr_t addr, esp_ble_privacy_mode_t mode)
+{
+    btc_msg_t msg;
+    btc_ble_gap_args_t arg;
+
+    ESP_BLUEDROID_STATUS_CHECK(ESP_BLUEDROID_STATUS_ENABLED);
+
+    msg.sig = BTC_SIG_API_CALL;
+    msg.pid = BTC_PID_GAP_BLE;
+    msg.act = BTC_GAP_BLE_SET_PRIVACY_MODE;
+
+    arg.set_privacy_mode.addr_type = addr_type;
+    memcpy(arg.set_privacy_mode.addr, addr, sizeof(esp_bd_addr_t));
+    arg.set_privacy_mode.privacy_mode = mode;
+
+    return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gap_args_t), NULL, NULL)
+            == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
+}
+
 #if (BLE_50_FEATURE_SUPPORT == TRUE)
 
 esp_err_t esp_ble_gap_read_phy(esp_bd_addr_t bd_addr)

components/bt/host/bluedroid/api/include/api/esp_gap_ble_api.h

@@ -228,6 +228,7 @@ typedef enum {
     ESP_GAP_BLE_SET_RPA_TIMEOUT_COMPLETE_EVT,                    /*!< When set the Resolvable Private Address (RPA) timeout completes, the event comes */
     ESP_GAP_BLE_ADD_DEV_TO_RESOLVING_LIST_COMPLETE_EVT,          /*!< when add a device to the resolving list completes, the event comes*/
     ESP_GAP_BLE_VENDOR_CMD_COMPLETE_EVT,                         /*!< When vendor hci command complete, the event comes */
+    ESP_GAP_BLE_SET_PRIVACY_MODE_COMPLETE_EVT,                   /*!< When set privacy mode complete, the event comes */
     ESP_GAP_BLE_EVT_MAX,                                         /*!< when maximum advertising event complete, the event comes */
 } esp_gap_ble_cb_event_t;
 
@@ -1030,6 +1031,11 @@ typedef struct {
 } esp_ble_gap_past_params_t;
 #endif // #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
 
+typedef enum{
+    ESP_BLE_NETWORK_PRIVACY_MODE    = 0X00,    /*!< Network Privacy Mode for peer device (default) */
+    ESP_BLE_DEVICE_PRIVACY_MODE     = 0X01,    /*!< Device Privacy Mode for peer device */
+} esp_ble_privacy_mode_t;
+
 /**
  * @brief Gap callback parameters union
  */
@@ -1507,6 +1513,12 @@ typedef union {
         uint16_t        param_len;                  /*!< The length of parameter buffer */
         uint8_t         *p_param_buf;               /*!< The point of parameter buffer */
     } vendor_cmd_cmpl;                              /*!< Event parameter of ESP_GAP_BLE_VENDOR_CMD_COMPLETE_EVT */
+    /**
+     * @brief ESP_GAP_BLE_SET_PRIVACY_MODE_COMPLETE_EVT
+     */
+    struct ble_set_privacy_mode_cmpl_evt_param {
+        esp_bt_status_t status;                     /*!< Indicate privacy mode set operation success status */
+    } set_privacy_mode_cmpl;                        /*!< Event parameter of ESP_GAP_BLE_SET_PRIVACY_MODE_COMPLETE_EVT */
 } esp_ble_gap_cb_param_t;
 
 /**
@@ -2640,6 +2652,21 @@ esp_err_t esp_ble_gap_clear_advertising(void);
  */
 esp_err_t esp_ble_gap_vendor_command_send(esp_ble_vendor_cmd_params_t *vendor_cmd_param);
 
+/**
+ * @brief           This function set the privacy mode of the device in resolving list.
+ *
+ * @note            This feature is not supported on ESP32.
+ *
+ * @param[in]       addr_type: The address type of the peer identity address (BLE_ADDR_TYPE_PUBLIC or BLE_ADDR_TYPE_RANDOM).
+ * @param[in]       addr: The peer identity address of the device.
+ * @param[in]       mode: The privacy mode of the device.
+ *
+ * @return
+ *                  - ESP_OK : success
+ *                  - other  : failed
+ */
+esp_err_t esp_ble_gap_set_privacy_mode(esp_ble_addr_type_t addr_type, esp_bd_addr_t addr, esp_ble_privacy_mode_t mode);
+
 #ifdef __cplusplus
 }
 #endif

components/bt/host/bluedroid/bta/dm/bta_dm_act.c

@@ -5838,6 +5838,13 @@ void bta_dm_ble_gap_add_dev_to_resolving_list(tBTA_DM_MSG *p_data)
                                   p_data->add_dev_to_resolving_list.p_add_dev_to_resolving_list_callback);
 }
 
+void bta_dm_ble_gap_set_privacy_mode(tBTA_DM_MSG *p_data)
+{
+    APPL_TRACE_API("%s, privacy_mode = %d", __func__, p_data->ble_set_privacy_mode.privacy_mode);
+    BTM_BleSetPrivacyMode(p_data->ble_set_privacy_mode.addr_type, p_data->ble_set_privacy_mode.addr,
+                        p_data->ble_set_privacy_mode.privacy_mode, p_data->ble_set_privacy_mode.p_cback);
+}
+
 #if (BLE_50_FEATURE_SUPPORT == TRUE)
 void bta_dm_ble_gap_dtm_enhance_tx_start(tBTA_DM_MSG *p_data)
 {

components/bt/host/bluedroid/bta/dm/bta_dm_api.c

@@ -2679,6 +2679,21 @@ void BTA_DmBleDtmStop(tBTA_DTM_CMD_CMPL_CBACK *p_dtm_cmpl_cback)
     }
 }
 
+void BTA_DmBleSetPrivacyMode(uint8_t addr_type, BD_ADDR addr, uint8_t privacy_mode, tBTA_SET_PRIVACY_MODE_CMPL_CBACK *p_cback)
+{
+    tBTA_DM_API_SET_PRIVACY_MODE *p_msg;
+
+    if ((p_msg = (tBTA_DM_API_SET_PRIVACY_MODE *)osi_malloc(sizeof(tBTA_DM_API_SET_PRIVACY_MODE)))
+            != NULL) {
+        p_msg->hdr.event = BTA_DM_API_SET_PRIVACY_MODE_EVT;
+        p_msg->addr_type = addr_type;
+        memcpy(p_msg->addr, addr, sizeof(BD_ADDR));
+        p_msg->privacy_mode = privacy_mode;
+        p_msg->p_cback = p_cback;
+        bta_sys_sendmsg(p_msg);
+    }
+}
+
 #endif
 
 /*******************************************************************************

components/bt/host/bluedroid/bta/dm/bta_dm_main.c

@@ -234,6 +234,7 @@ const tBTA_DM_ACTION bta_dm_action[BTA_DM_MAX_EVT] = {
     bta_dm_ble_gap_clear_adv, /* BTA_DM_API_BLE_CLEAR_ADV_EVT */
     bta_dm_ble_gap_set_rpa_timeout, /* BTA_DM_API_SET_RPA_TIMEOUT_EVT */
     bta_dm_ble_gap_add_dev_to_resolving_list, /* BTA_DM_API_ADD_DEV_TO_RESOLVING_LIST_EVT */
+    bta_dm_ble_gap_set_privacy_mode, /* BTA_DM_API_SET_PRIVACY_MODE_EVT */
 #endif
 };
 

components/bt/host/bluedroid/bta/dm/include/bta_dm_int.h

@@ -225,6 +225,7 @@ enum {
     BTA_DM_API_BLE_CLEAR_ADV_EVT,
     BTA_DM_API_SET_RPA_TIMEOUT_EVT,
     BTA_DM_API_ADD_DEV_TO_RESOLVING_LIST_EVT,
+    BTA_DM_API_SET_PRIVACY_MODE_EVT,
 #endif
     BTA_DM_MAX_EVT
 };
@@ -950,6 +951,14 @@ typedef struct {
     tBTA_CLEAR_ADV_CMPL_CBACK       *p_clear_adv_cback;
 } tBTA_DM_API_CLEAR_ADV;
 
+typedef struct {
+    BT_HDR                              hdr;
+    tBLE_ADDR_TYPE                      addr_type;
+    BD_ADDR                             addr;
+    UINT8                               privacy_mode;
+    tBTA_SET_PRIVACY_MODE_CMPL_CBACK    *p_cback;
+} tBTA_DM_API_SET_PRIVACY_MODE;
+
 #endif /* BLE_INCLUDED */
 
 /* data type for BTA_DM_API_REMOVE_ACL_EVT */
@@ -1355,6 +1364,7 @@ typedef union {
     tBTA_DM_API_BLE_DTM_RX_START    dtm_rx_start;
     tBTA_DM_API_BLE_DTM_STOP        dtm_stop;
     tBTA_DM_API_CLEAR_ADV           ble_clear_adv;
+    tBTA_DM_API_SET_PRIVACY_MODE    ble_set_privacy_mode;
 #endif
 
     tBTA_DM_API_REMOVE_ACL              remove_acl;
@@ -1802,6 +1812,7 @@ extern void bta_dm_ble_gap_dtm_stop(tBTA_DM_MSG *p_data);
 extern void bta_dm_ble_gap_clear_adv(tBTA_DM_MSG *p_data);
 extern void bta_dm_ble_gap_set_rpa_timeout(tBTA_DM_MSG *p_data);
 extern void bta_dm_ble_gap_add_dev_to_resolving_list(tBTA_DM_MSG *p_data);
+extern void bta_dm_ble_gap_set_privacy_mode(tBTA_DM_MSG *p_data);
 #if (BLE_50_FEATURE_SUPPORT == TRUE)
 extern void bta_dm_ble_gap_dtm_enhance_tx_start(tBTA_DM_MSG *p_data);
 extern void bta_dm_ble_gap_dtm_enhance_rx_start(tBTA_DM_MSG *p_data);

components/bt/host/bluedroid/bta/include/bta/bta_api.h

@@ -437,6 +437,8 @@ typedef tBTM_SET_RPA_TIMEOUT_CMPL_CBACK tBTA_SET_RPA_TIMEOUT_CMPL_CBACK;
 
 typedef tBTM_ADD_DEV_TO_RESOLVING_LIST_CMPL_CBACK tBTA_ADD_DEV_TO_RESOLVING_LIST_CMPL_CBACK;
 
+typedef tBTM_SET_PRIVACY_MODE_CMPL_CBACK tBTA_SET_PRIVACY_MODE_CMPL_CBACK;
+
 typedef tBTM_CMPL_CB tBTA_CMPL_CB;
 
 typedef tBTM_VSC_CMPL tBTA_VSC_CMPL;
@@ -2893,6 +2895,8 @@ extern void BTA_DmBleDtmTxStart(uint8_t tx_channel, uint8_t len_of_data, uint8_t
 extern void BTA_DmBleDtmRxStart(uint8_t rx_channel, tBTA_DTM_CMD_CMPL_CBACK *p_dtm_cmpl_cback);
 extern void BTA_DmBleDtmStop(tBTA_DTM_CMD_CMPL_CBACK *p_dtm_cmpl_cback);
 
+extern void BTA_DmBleSetPrivacyMode(uint8_t addr_type, BD_ADDR addr, uint8_t privacy_mode, tBTA_SET_PRIVACY_MODE_CMPL_CBACK *p_cback);
+
 /*******************************************************************************
 **
 ** Function         BTA_DmBleSetStorageParams

components/bt/host/bluedroid/btc/profile/std/gap/btc_gap_ble.c

@@ -1326,6 +1326,25 @@ static void btc_ble_vendor_hci_cmd_complete_callback(tBTA_VSC_CMPL *p_param)
     }
 }
 
+static void btc_ble_set_privacy_mode_callback(UINT8 status)
+{
+    esp_ble_gap_cb_param_t param;
+    bt_status_t ret;
+    btc_msg_t msg = {0};
+
+    msg.sig = BTC_SIG_API_CB;
+    msg.pid = BTC_PID_GAP_BLE;
+    msg.act = ESP_GAP_BLE_SET_PRIVACY_MODE_COMPLETE_EVT;
+
+    param.set_privacy_mode_cmpl.status = btc_btm_status_to_esp_status(status);
+
+    ret = btc_transfer_context(&msg, &param, sizeof(esp_ble_gap_cb_param_t), NULL, NULL);
+
+    if (ret != BT_STATUS_SUCCESS) {
+        BTC_TRACE_ERROR("%s btc_transfer_context failed\n", __func__);
+    }
+}
+
 void btc_get_whitelist_size(uint16_t *length)
 {
     BTM_BleGetWhiteListSize(length);
@@ -1504,6 +1523,13 @@ static void btc_ble_dtm_stop(tBTA_DTM_CMD_CMPL_CBACK *p_dtm_cmpl_cback)
     BTA_DmBleDtmStop(p_dtm_cmpl_cback);
 }
 
+static void btc_ble_set_privacy_mode(uint8_t addr_type,
+                                     BD_ADDR addr,
+                                     uint8_t privacy_mode,
+                                     tBTA_SET_PRIVACY_MODE_CMPL_CBACK *p_cback)
+{
+    BTA_DmBleSetPrivacyMode(addr_type, addr, privacy_mode, p_cback);
+}
 
 void btc_gap_ble_cb_handler(btc_msg_t *msg)
 {
@@ -2354,6 +2380,10 @@ void btc_gap_ble_call_handler(btc_msg_t *msg)
                                 arg->vendor_cmd_send.p_param_buf,
                                 btc_ble_vendor_hci_cmd_complete_callback);
         break;
+    case BTC_GAP_BLE_SET_PRIVACY_MODE:
+        btc_ble_set_privacy_mode(arg->set_privacy_mode.addr_type, arg->set_privacy_mode.addr,
+            arg->set_privacy_mode.privacy_mode, btc_ble_set_privacy_mode_callback);
+        break;
     default:
         break;
     }

components/bt/host/bluedroid/btc/profile/std/include/btc_gap_ble.h

@@ -105,6 +105,7 @@ typedef enum {
     BTC_GAP_BLE_ACT_SET_RESOLVABLE_PRIVATE_ADDRESS_TIMEOUT,
     BTC_GAP_BLE_ACT_ADD_DEVICE_TO_RESOLVING_LIST,
     BTC_GAP_BLE_ACT_VENDOR_HCI_CMD_EVT,
+    BTC_GAP_BLE_SET_PRIVACY_MODE,
 } btc_gap_ble_act_t;
 
 /* btc_ble_gap_args_t */
@@ -267,9 +268,15 @@ typedef union {
         uint8_t  param_len;
         uint8_t *p_param_buf;
     } vendor_cmd_send;
+    // BTC_GAP_BLE_SET_PRIVACY_MODE
+    struct set_privacy_mode {
+        esp_ble_addr_type_t addr_type;
+        esp_bd_addr_t addr;
+        uint8_t privacy_mode;
+    } set_privacy_mode;
 } btc_ble_gap_args_t;
-#if (BLE_50_FEATURE_SUPPORT == TRUE)
 
+#if (BLE_50_FEATURE_SUPPORT == TRUE)
 typedef union {
     struct read_phy_args {
         esp_bd_addr_t bd_addr;

components/bt/host/bluedroid/stack/btm/btm_ble_gap.c

@@ -4741,6 +4741,17 @@ BOOLEAN BTM_BleAddDevToResolvingList(BD_ADDR addr,
     return TRUE;
 }
 
+BOOLEAN BTM_BleSetPrivacyMode(UINT8 addr_type, BD_ADDR bd_addr, UINT8 privacy_mode, tBTM_SET_PRIVACY_MODE_CMPL_CBACK *p_callback)
+{
+    if (btsnd_hcic_ble_set_privacy_mode(addr_type, bd_addr, privacy_mode) != TRUE) {
+        BTM_TRACE_ERROR("LE SetPrivacyMode Mode=%d: error", privacy_mode);
+        return FALSE;
+    }
+
+    btm_cb.devcb.p_set_privacy_mode_cmpl_cb = p_callback;
+    return TRUE;
+}
+
 bool btm_ble_adv_pkt_ready(void)
 {
     tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;

components/bt/host/bluedroid/stack/btm/btm_ble_privacy.c

@@ -454,6 +454,34 @@ void btm_ble_set_rpa_timeout_complete(UINT8 *p, UINT16 evt_len)
 
 }
 
+/*******************************************************************************
+**
+** Function         btm_ble_set_privacy_mode_complete
+**
+** Description      This function is called when the LE Set Privacy Mode command completes.
+**
+** Parameters       p: Pointer to the command complete event data.
+**                  evt_len: Length of the event data.
+**
+** Returns          void
+**
+*******************************************************************************/
+void btm_ble_set_privacy_mode_complete(UINT8 *p, UINT16 evt_len)
+{
+    UINT8 status;
+
+    // Extract the status of the command completion from the event data
+    STREAM_TO_UINT8(status, p);
+
+    BTM_TRACE_DEBUG("%s status = 0x%x", __func__, status);
+
+    tBTM_SET_PRIVACY_MODE_CMPL_CBACK *p_cb = btm_cb.devcb.p_set_privacy_mode_cmpl_cb;
+
+    if (p_cb) {
+        (*p_cb)(status);
+    }
+}
+
 /*******************************************************************************
                 VSC that implement controller based privacy
 ********************************************************************************/

components/bt/host/bluedroid/stack/btm/include/btm_ble_int.h

@@ -497,6 +497,7 @@ void btm_ble_enable_resolving_list_for_platform (UINT8 rl_mask);
 void btm_ble_resolving_list_init(UINT8 max_irk_list_sz);
 void btm_ble_resolving_list_cleanup(void);
 void btm_ble_add_default_entry_to_resolving_list(void);
+void btm_ble_set_privacy_mode_complete(UINT8 *p, UINT16 evt_len);
 #endif
 
 void btm_ble_multi_adv_configure_rpa (tBTM_BLE_MULTI_ADV_INST *p_inst);

components/bt/host/bluedroid/stack/btm/include/btm_int.h

@@ -237,6 +237,9 @@ tBTM_SET_RPA_TIMEOUT_CMPL_CBACK  *p_ble_set_rpa_timeout_cmpl_cb; /* Callback fun
                                                 ble set rpa timeout is completed   */
 
 tBTM_ADD_DEV_TO_RESOLVING_LIST_CMPL_CBACK *p_add_dev_to_resolving_list_cmpl_cb;
+
+tBTM_SET_PRIVACY_MODE_CMPL_CBACK *p_set_privacy_mode_cmpl_cb;
+
 tBTM_CMPL_CB        *p_le_test_cmd_cmpl_cb;   /* Callback function to be called when
                                                   LE test mode command has been sent successfully */
 

components/bt/host/bluedroid/stack/btu/btu_hcif.c

@@ -1100,6 +1100,10 @@ static void btu_hcif_hdl_command_complete (UINT16 opcode, UINT8 *p, UINT16 evt_l
     case HCI_BLE_SET_RAND_PRIV_ADDR_TIMOUT:
         btm_ble_set_rpa_timeout_complete(p, evt_len);
         break;
+    case HCI_BLE_SET_PRIVACY_MODE:
+        btm_ble_set_privacy_mode_complete(p, evt_len);
+        break;
+#endif // #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
 #if (BLE_50_FEATURE_SUPPORT == TRUE)
     case HCI_BLE_SET_EXT_ADV_PARAM:
     case HCI_BLE_SET_EXT_ADV_DATA:
@@ -1139,7 +1143,6 @@ static void btu_hcif_hdl_command_complete (UINT16 opcode, UINT8 *p, UINT16 evt_l
         break;
     }
 #endif // #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
-#endif
 #endif /* (BLE_INCLUDED == TRUE) */
 
     default: {

components/bt/host/bluedroid/stack/hcic/hciblecmds.c

@@ -1909,4 +1909,28 @@ UINT8 btsnd_hcic_ble_set_default_periodic_adv_sync_trans_params(UINT8 mode, UINT
     return btu_hcif_send_cmd_sync(LOCAL_BR_EDR_CONTROLLER_ID, p);
 }
 #endif // #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
+
+UINT8 btsnd_hcic_ble_set_privacy_mode(UINT8 addr_type, BD_ADDR addr, UINT8 privacy_mode)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    if ((p = HCI_GET_CMD_BUF (HCIC_PARAM_SIZE_SET_PRIVACY_MODE)) == NULL) {
+        return (FALSE);
+    }
+
+    pp = (UINT8 *)(p + 1);
+    p->len = HCIC_PREAMBLE_SIZE + HCIC_PARAM_SIZE_SET_PRIVACY_MODE;
+    p->offset = 0;
+
+    UINT16_TO_STREAM(pp, HCI_BLE_SET_PRIVACY_MODE);
+    UINT8_TO_STREAM(pp, HCIC_PARAM_SIZE_SET_PRIVACY_MODE);
+
+    UINT8_TO_STREAM(pp, addr_type);
+    BDADDR_TO_STREAM(pp, addr);
+    UINT8_TO_STREAM(pp, privacy_mode);
+
+    btu_hcif_send_cmd(LOCAL_BR_EDR_CONTROLLER_ID, p);
+    return (TRUE);
+}
 #endif

components/bt/host/bluedroid/stack/include/stack/btm_ble_api.h

@@ -1006,6 +1006,8 @@ typedef void (tBTM_START_STOP_ADV_CMPL_CBACK) (UINT8 status);
 
 typedef void (tBTM_UPDATE_DUPLICATE_EXCEPTIONAL_LIST_CMPL_CBACK) (tBTM_STATUS status, uint8_t subcode, uint32_t length, uint8_t *device_info);
 typedef void (tBTM_CLEAR_ADV_CMPL_CBACK) (UINT8 status);
+typedef void (tBTM_SET_PRIVACY_MODE_CMPL_CBACK) (tBTM_STATUS status);
+
 #if (BLE_50_FEATURE_SUPPORT == TRUE)
 #define    BTM_BLE_5_GAP_READ_PHY_COMPLETE_EVT                     1
 #define    BTM_BLE_5_GAP_SET_PREFERED_DEFAULT_PHY_COMPLETE_EVT     2
@@ -1048,7 +1050,8 @@ typedef void (tBTM_CLEAR_ADV_CMPL_CBACK) (UINT8 status);
 #define    BTM_BLE_GAP_SET_PAST_PARAMS_COMPLETE_EVT                38
 #define    BTM_BLE_GAP_PERIODIC_ADV_SYNC_TRANS_RECV_EVT            39
 #endif // #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
-#define    BTM_BLE_5_GAP_UNKNOWN_EVT                               40
+#define    BTM_BLE_GAP_SET_PRIVACY_MODE_COMPLETE_EVT               40
+#define    BTM_BLE_5_GAP_UNKNOWN_EVT                               41
 typedef UINT8 tBTM_BLE_5_GAP_EVENT;
 
 #define BTM_BLE_EXT_ADV_DATA_COMPLETE          0x00
@@ -2690,6 +2693,25 @@ BOOLEAN BTM_BleAddDevToResolvingList(BD_ADDR addr,
                                       uint8_t irk[],
                                       tBTM_ADD_DEV_TO_RESOLVING_LIST_CMPL_CBACK *p_add_dev_to_resolving_list_callback);
 
+/*******************************************************************************
+**
+** Function         BTM_BleSetPrivacyMode
+**
+** Description      This function is called to set the privacy mode of device in resolving list
+**
+** Parameters       addr_type - The address type of the device in resolving list (public or random).
+**                  addr - The address of the device in resolving list.
+**                  privacy_mode - The privacy mode (network or device) of the device.
+**                  p_callback - Callback function to be called when the operation is completed.
+**
+** Returns          TRUE if the operation was successful, otherwise FALSE.
+**
+*******************************************************************************/
+BOOLEAN BTM_BleSetPrivacyMode(UINT8 addr_type,
+                              BD_ADDR bd_addr,
+                              UINT8 privacy_mode,
+                              tBTM_SET_PRIVACY_MODE_CMPL_CBACK *p_callback);
+
 /*
 #ifdef __cplusplus
 }

components/bt/host/bluedroid/stack/include/stack/hcidefs.h

@@ -384,8 +384,8 @@
 #define HCI_BLE_RD_TRANSMIT_POWER           (0x004B | HCI_GRP_BLE_CMDS)
 #define HCI_BLE_RD_RF_PATH_COMPENSATION     (0x004C | HCI_GRP_BLE_CMDS)
 #define HCI_BLE_WR_RF_PATH_COMPENSATION     (0x004D | HCI_GRP_BLE_CMDS)
-#define HCI_BLE_SET_PRIVACY_MODE            (0x004E | HCI_GRP_BLE_CMDS)
 #endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
+#define HCI_BLE_SET_PRIVACY_MODE            (0x004E | HCI_GRP_BLE_CMDS)
 #if (BLE_FEAT_PERIODIC_ADV_SYNC_TRANSFER == TRUE)
 #define HCI_BLE_SET_PERIOD_ADV_RECV_ENABLE  (0x0059 | HCI_GRP_BLE_CMDS)
 #define HCI_BLE_PERIOD_ADV_SYNC_TRANS       (0x005A | HCI_GRP_BLE_CMDS)
@@ -1134,18 +1134,18 @@ typedef UINT8 tHCI_STATUS;
 #define HCI_MIN_INQ_LAP                 0x9E8B00
 #define HCI_MAX_INQ_LAP                 0x9E8B3F
 
-/* HCI role defenitions */
+/* HCI role definitions */
 #define HCI_ROLE_MASTER                 0x00
 #define HCI_ROLE_SLAVE                  0x01
 #define HCI_ROLE_UNKNOWN                0xff
 
-/* HCI mode defenitions */
+/* HCI mode definitions */
 #define HCI_MODE_ACTIVE                 0x00
 #define HCI_MODE_HOLD                   0x01
 #define HCI_MODE_SNIFF                  0x02
 #define HCI_MODE_PARK                   0x03
 
-/* HCI Flow Control Mode defenitions */
+/* HCI Flow Control Mode definitions */
 #define HCI_PACKET_BASED_FC_MODE        0x00
 #define HCI_BLOCK_BASED_FC_MODE         0x01
 
@@ -1414,7 +1414,7 @@ typedef UINT8 tHCI_STATUS;
 /* Define an invalid value for a handle */
 #define HCI_INVALID_HANDLE              0xFFFF
 
-/* Define max ammount of data in the HCI command */
+/* Define max amount of data in the HCI command */
 #define HCI_COMMAND_SIZE        255
 
 /* Define the preamble length for all HCI Commands.

components/bt/host/bluedroid/stack/include/stack/hcimsgs.h

@@ -758,6 +758,7 @@ void btsnd_hcic_vendor_spec_cmd (BT_HDR *buffer, UINT16 opcode,
 #define HCIC_PARAM_SIZE_BLE_WRITE_EXTENDED_SCAN_PARAM   11
 #define HCIC_PARAM_SIZE_BLE_UPDATE_ADV_FLOW_CONTROL     2
 #define HCIC_PARAM_SIZE_BLE_CLEAR_ADV                   0
+#define HCIC_PARAM_SIZE_SET_PRIVACY_MODE                8
 #if (BLE_50_FEATURE_SUPPORT == TRUE)
 #define HCIC_PARAM_SIZE_BLE_READ_PHY                   2
 #define HCIC_PARAM_SIZE_BLE_SET_DEF_PHY                3
@@ -1041,6 +1042,8 @@ UINT8 btsnd_hcic_ble_write_rf_path_compensation(UINT16 rf_tx_path, UINT16 rf_rx_
 
 #endif // #if (BLE_50_FEATURE_SUPPORT == TRUE)
 
+UINT8 btsnd_hcic_ble_set_privacy_mode(UINT8 addr_type, BD_ADDR addr, UINT8 privacy_mode);
+
 #define HCIC_PARAM_SIZE_WRITE_AUTHENT_PAYLOAD_TOUT  4
 
 #define HCI__WRITE_AUTHENT_PAYLOAD_TOUT_HANDLE_OFF  0