diff --git a/fw/wmi_tlv_defs.h b/fw/wmi_tlv_defs.h
index 5c74c14933..85245e103c 100644
--- a/fw/wmi_tlv_defs.h
+++ b/fw/wmi_tlv_defs.h
@@ -865,6 +865,7 @@ typedef enum {
     WMITLV_TAG_STRUC_wmi_enable_fils_cmd_fixed_param,
     WMITLV_TAG_STRUC_wmi_host_swfda_event_fixed_param,
     WMITLV_TAG_STRUC_wmi_bcn_offload_ctrl_cmd_fixed_param,
+    WMITLV_TAG_STRUC_wmi_pdev_set_ac_tx_queue_optimized_cmd_fixed_param,
 } WMITLV_TAG_ID;
 
 /*
@@ -1213,6 +1214,7 @@ typedef enum {
     OP(WMI_PDEV_SEND_FD_CMDID) \
     OP(WMI_ENABLE_FILS_CMDID) \
     OP(WMI_BCN_OFFLOAD_CTRL_CMDID) \
+    OP(WMI_PDEV_SET_AC_TX_QUEUE_OPTIMIZED_CMDID) \
     /* add new CMD_LIST elements above this line */
 
 
@@ -3485,6 +3487,11 @@ WMITLV_CREATE_PARAM_STRUC(WMI_ROAM_BTM_CONFIG_CMDID);
     WMITLV_ELEM(id,op,buf,len, WMITLV_TAG_STRUC_wmi_wlm_config_cmd_fixed_param, wmi_wlm_config_cmd_fixed_param, fixed_param, WMITLV_SIZE_FIX)
 WMITLV_CREATE_PARAM_STRUC(WMI_WLM_CONFIG_CMDID);
 
+/* Pdev Set AC TX Queue Optimized Cmd */
+#define WMITLV_TABLE_WMI_PDEV_SET_AC_TX_QUEUE_OPTIMIZED_CMDID(id,op,buf,len) \
+  WMITLV_ELEM(id,op,buf,len, WMITLV_TAG_STRUC_wmi_pdev_set_ac_tx_queue_optimized_cmd_fixed_param, wmi_pdev_set_ac_tx_queue_optimized_cmd_fixed_param, fixed_param, WMITLV_SIZE_FIX)
+WMITLV_CREATE_PARAM_STRUC(WMI_PDEV_SET_AC_TX_QUEUE_OPTIMIZED_CMDID);
+
 
 /************************** TLV definitions of WMI events *******************************/
 
diff --git a/fw/wmi_unified.h b/fw/wmi_unified.h
index 103fa3514f..180924e8f8 100644
--- a/fw/wmi_unified.h
+++ b/fw/wmi_unified.h
@@ -379,6 +379,8 @@ typedef enum {
     WMI_PDEV_UPDATE_CTLTABLE_REQUEST_CMDID,
     /** Command to set beacon OUI **/
     WMI_PDEV_CONFIG_VENDOR_OUI_ACTION_CMDID,
+    /** enable/disable per-AC tx queue optimizations */
+    WMI_PDEV_SET_AC_TX_QUEUE_OPTIMIZED_CMDID,
 
     /* VDEV (virtual device) specific commands */
     /** vdev create */
@@ -12656,6 +12658,21 @@ typedef struct {
     */
 } wmi_pdev_config_vendor_oui_action_fixed_param;
 
+typedef struct {
+    A_UINT32 tlv_header; /** TLV tag and len; tag equals WMITLV_TAG_STRUC_wmi_pdev_set_ac_tx_queue_optimized_cmd_fixed_param */
+    /** pdev_id for identifying the MAC
+     * See macros starting with WMI_PDEV_ID_ for values.
+     */
+    A_UINT32 pdev_id;
+    /** AC number */
+    A_UINT32 ac; /* refer to wmi_traffic_ac */
+    /**
+     * Enable/disable tx queue optimizations (such as dropping stale tx frms)
+     * for the specified AC.
+     */
+    A_UINT32 ac_tx_queue_optimize_enable;
+} wmi_pdev_set_ac_tx_queue_optimized_cmd_fixed_param;
+
 typedef enum {
     WMI_BEACON_INFO_PRESENCE_OUI_EXT            = 1 <<  0,
     WMI_BEACON_INFO_PRESENCE_MAC_ADDRESS        = 1 <<  1,
@@ -20665,6 +20682,7 @@ static INLINE A_UINT8 *wmi_id_to_name(A_UINT32 wmi_command)
         WMI_RETURN_STRING(WMI_PDEV_CONFIG_VENDOR_OUI_ACTION_CMDID);
         WMI_RETURN_STRING(WMI_PDEV_SEND_FD_CMDID);
         WMI_RETURN_STRING(WMI_ENABLE_FILS_CMDID);
+        WMI_RETURN_STRING(WMI_PDEV_SET_AC_TX_QUEUE_OPTIMIZED_CMDID);
     }
 
     return "Invalid WMI cmd";
diff --git a/fw/wmi_version.h b/fw/wmi_version.h
index e4083a4e87..dda9b603e9 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_ 467
+#define __WMI_REVISION_ 468
 
 /** The Version Namespace should not be normally changed. Only
  *  host and firmware of the same WMI namespace will work