diff --git a/fw/wmi_unified.h b/fw/wmi_unified.h
index 9d70276eeb..3f782454ea 100644
--- a/fw/wmi_unified.h
+++ b/fw/wmi_unified.h
@@ -14954,6 +14954,8 @@ typedef struct {
      * max_allowed_tx_power = 0 dBm means value is not specified.
      */
     A_INT32 max_allowed_tx_power;
+    /** unique id to identify mac's TSF register */
+    A_UINT32 mac_tsf_id;
 } wmi_vdev_start_response_event_fixed_param;
 
 typedef struct {
@@ -24678,6 +24680,8 @@ typedef struct {
      * max_allowed_tx_power = 0 dBm means value is not specified.
      */
     A_INT32 max_allowed_tx_power;
+    /** unique id to identify mac's TSF register */
+    A_UINT32 mac_tsf_id;
     /**
      * TLV (tag length value) parameters follows roam_synch_event
      * The TLV's are:
diff --git a/fw/wmi_version.h b/fw/wmi_version.h
index 53ec8a8436..71edfa9b04 100644
--- a/fw/wmi_version.h
+++ b/fw/wmi_version.h
@@ -37,7 +37,7 @@
 #define __WMI_VER_MINOR_    0
 /** WMI revision number has to be incremented when there is a
  *  change that may or may not break compatibility. */
-#define __WMI_REVISION_ 1184
+#define __WMI_REVISION_ 1185
 
 /** The Version Namespace should not be normally changed. Only
  *  host and firmware of the same WMI namespace will work