diff --git a/fw/wmi_unified.h b/fw/wmi_unified.h
index 52a71835ddd0..353c27087e1d 100644
--- a/fw/wmi_unified.h
+++ b/fw/wmi_unified.h
@@ -10240,6 +10240,11 @@ typedef struct {
  * This parameter controls the UL OFDMA and UL MU-MIMO peer fixed rate.
  */
 #define WMI_PEER_PARAM_UL_FIXED_RATE                    0x1b
+/** send specific OMI to peer via QoS-null frame
+ * param_value = follow 11ax spec definition
+ *               bit0:VHT(1), bit1:HE(1), bit2-31:A-Control
+ */
+#define WMI_PEER_RARAM_XMIT_OMI                         0x1c
 
 /** mimo ps values for the parameter WMI_PEER_MIMO_PS_STATE  */
 #define WMI_PEER_MIMO_PS_NONE                          0x0
diff --git a/fw/wmi_version.h b/fw/wmi_version.h
index ac4ab49b4ab9..0787667be058 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_ 577
+#define __WMI_REVISION_ 578
 
 /** The Version Namespace should not be normally changed. Only
  *  host and firmware of the same WMI namespace will work