diff --git a/umac/cmn_services/inc/wlan_cmn.h b/umac/cmn_services/inc/wlan_cmn.h
index 701cfc7..4471084 100644
--- a/umac/cmn_services/inc/wlan_cmn.h
+++ b/umac/cmn_services/inc/wlan_cmn.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2017 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2016-2018 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -49,6 +49,10 @@
 /* Invalid pdev_id */
 #define WLAN_INVALID_PDEV_ID 0xFFFFFFFF
 
+/* Invalid free descriptor count */
+#define WLAN_INVALID_MGMT_DESC_COUNT 0xFFFFFFFF
+
+/* 802.11 cap info */
 /* 802.11 cap info */
 #define WLAN_CAPINFO_ESS               0x0001
 #define WLAN_CAPINFO_IBSS              0x0002