diff --git a/fw/wmi_unified.h b/fw/wmi_unified.h
index 80d3d70ba8..0fb17432d4 100644
--- a/fw/wmi_unified.h
+++ b/fw/wmi_unified.h
@@ -6457,6 +6457,14 @@ typedef enum {
      */
     WMI_PDEV_PARAM_MWSCOEX_SCC_CHAVD_DELAY,
 
+    /*
+     * Parameter used to set ageout timer value from host (units = seconds).
+     * If not set, FW use default value 2 seconds.
+     * ageout time: the time upto which DFS channel information such as
+     * beacon found is remembered
+     */
+    WMI_PDEV_PARAM_SET_DFS_CHAN_AGEOUT_TIME,
+
 } WMI_PDEV_PARAM;
 
 #define WMI_PDEV_ONLY_BSR_TRIG_IS_ENABLED(trig_type) WMI_GET_BITS(trig_type, 0, 1)