diff --git a/include/hardware/bluetooth.h b/include/hardware/bluetooth.h
index 74cd1fc..75c9e9c 100644
--- a/include/hardware/bluetooth.h
+++ b/include/hardware/bluetooth.h
@@ -143,14 +143,15 @@
 
 typedef struct
 {
+    uint16_t version_supported;
     uint8_t local_privacy_enabled;
     uint8_t max_adv_instance;
     uint8_t rpa_offload_supported;
     uint8_t max_irk_list_size;
     uint8_t max_adv_filter_supported;
-    uint8_t scan_result_storage_size_lobyte;
-    uint8_t scan_result_storage_size_hibyte;
     uint8_t activity_energy_info_supported;
+    uint16_t scan_result_storage_size;
+    uint16_t total_trackable_advertisers;
 }bt_local_le_features_t;
 
 /* Bluetooth Adapter and Remote Device property types */
diff --git a/include/hardware/bt_common_types.h b/include/hardware/bt_common_types.h
new file mode 100644
index 0000000..f1e0984
--- /dev/null
+++ b/include/hardware/bt_common_types.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * 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.
+ */
+
+/******************************************************************************
+ *
+ *  This file contains constants and definitions that can be used commonly between JNI and stack layer
+ *
+ ******************************************************************************/
+#ifndef ANDROID_INCLUDE_BT_COMMON_TYPES_H
+#define ANDROID_INCLUDE_BT_COMMON_TYPES_H
+
+#include "bluetooth.h"
+
+typedef struct
+{
+    uint8_t  client_if;
+    uint8_t  filt_index;
+    uint8_t  advertiser_state;
+    uint8_t  advertiser_info_present;
+    uint8_t  addr_type;
+    uint8_t  tx_power;
+    uint8_t  rssi_value;
+    uint16_t time_stamp;
+    bt_bdaddr_t bd_addr;
+    uint8_t  adv_pkt_len;
+    uint8_t  *p_adv_pkt_data;
+    uint8_t  scan_rsp_len;
+    uint8_t  *p_scan_rsp_data;
+} btgatt_track_adv_info_t;
+
+#endif  /* ANDROID_INCLUDE_BT_COMMON_TYPES_H */
diff --git a/include/hardware/bt_gatt_client.h b/include/hardware/bt_gatt_client.h
index 8073dd1..7881dc8 100644
--- a/include/hardware/bt_gatt_client.h
+++ b/include/hardware/bt_gatt_client.h
@@ -20,6 +20,7 @@
 
 #include <stdint.h>
 #include "bt_gatt_types.h"
+#include "bt_common_types.h"
 
 __BEGIN_DECLS
 
@@ -69,6 +70,23 @@
 
 typedef struct
 {
+    uint8_t  client_if;
+    uint8_t  action;
+    uint8_t  filt_index;
+    uint16_t feat_seln;
+    uint16_t list_logic_type;
+    uint8_t  filt_logic_type;
+    uint8_t  rssi_high_thres;
+    uint8_t  rssi_low_thres;
+    uint8_t  dely_mode;
+    uint16_t found_timeout;
+    uint16_t lost_timeout;
+    uint8_t  found_timeout_cnt;
+    uint16_t  num_of_tracking_entries;
+} btgatt_filt_param_setup_t;
+
+typedef struct
+{
     bt_bdaddr_t        *bda1;
     bt_uuid_t          *uuid1;
     uint16_t            u1;
@@ -202,8 +220,7 @@
 typedef void (*batchscan_threshold_callback)(int client_if);
 
 /** Track ADV VSE callback invoked when tracked device is found or lost */
-typedef void (*track_adv_event_callback)(int client_if, int filt_index, int addr_type,
-                                             bt_bdaddr_t* bda, int adv_state);
+typedef void (*track_adv_event_callback)(btgatt_track_adv_info_t *p_track_adv_info);
 
 typedef struct {
     register_client_callback            register_client_cb;
@@ -336,10 +353,7 @@
     bt_status_t (*read_remote_rssi)( int client_if, const bt_bdaddr_t *bd_addr);
 
     /** Setup scan filter params */
-    bt_status_t (*scan_filter_param_setup)(int client_if, int action, int filt_index, int feat_seln,
-                                      int list_logic_type, int filt_logic_type, int rssi_high_thres,
-                                      int rssi_low_thres, int dely_mode, int found_timeout,
-                                      int lost_timeout, int found_timeout_cnt);
+    bt_status_t (*scan_filter_param_setup)(btgatt_filt_param_setup_t filt_param);
 
 
     /** Configure a scan filter condition  */