diff --git a/CORE/SME/inc/csrInternal.h b/CORE/SME/inc/csrInternal.h
index da606a2..7a71c56 100644
--- a/CORE/SME/inc/csrInternal.h
+++ b/CORE/SME/inc/csrInternal.h
@@ -658,6 +658,7 @@
      * Enable/Disable heartbeat offload
      */
     tANI_BOOLEAN enableHeartBeatOffload;
+    tANI_U8 isAmsduSupportInAMPDU;
 }tCsrConfig;
 
 typedef struct tagCsrChannelPowerInfo