diff --git a/fw/wmi_unified.h b/fw/wmi_unified.h
index d7f1ec7b3946..c45460096c0c 100644
--- a/fw/wmi_unified.h
+++ b/fw/wmi_unified.h
@@ -8052,8 +8052,14 @@ typedef struct {
     A_UINT32 center_freq1;
     /** msecs the radio is awake (32 bits number accruing over time) */
     A_UINT32 radio_awake_time;
-    /** msecs the CCA register is busy (32 bits number accruing over time) */
+    /** msecs the CCA register is busy (32 bits number accruing over time)
+     * Includes rx_time but not tx_time.
+     */
     A_UINT32 cca_busy_time;
+    /** msecs the radio is transmitting (32 bits number accruing over time) */
+    A_UINT32 tx_time;
+    /** msecs the radio is in active receive (32 bits number accruing over time) */
+    A_UINT32 rx_time;
 } wmi_channel_stats;
 
 /*
diff --git a/fw/wmi_version.h b/fw/wmi_version.h
index 6be23827697f..e2b9b54dfe73 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_ 869
+#define __WMI_REVISION_ 870
 
 /** The Version Namespace should not be normally changed. Only
  *  host and firmware of the same WMI namespace will work