diff --git a/fw/wmi_unified.h b/fw/wmi_unified.h
index fff2980df6dc..f512f588eef5 100644
--- a/fw/wmi_unified.h
+++ b/fw/wmi_unified.h
@@ -7687,6 +7687,14 @@ typedef struct {
     A_UINT32 rx_fcs_err;
     /** Number of MPDUs(both data and non data) received from this peer */
     A_UINT32 rx_mpdus;
+    /** nss of last tx data to peer */
+    A_UINT32 last_tx_nss;
+    /** nss of last rx data from peer */
+    A_UINT32 last_rx_nss;
+    /** chain mask used for last tx data to peer */
+    A_UINT32 last_tx_chain_mask;
+    /** chain mask used for last rx data from peer */
+    A_UINT32 last_rx_chain_mask;
 } wmi_peer_extd2_stats;
 
 typedef struct {
diff --git a/fw/wmi_version.h b/fw/wmi_version.h
index 8528692909a8..2b31f8be96c5 100644
--- a/fw/wmi_version.h
+++ b/fw/wmi_version.h
@@ -36,7 +36,7 @@
 #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_ 627
+#define __WMI_REVISION_ 628
 
 /** The Version Namespace should not be normally changed. Only
  *  host and firmware of the same WMI namespace will work