diff --git a/fw/wmi_tlv_defs.h b/fw/wmi_tlv_defs.h
index 350060dab0a5..75c8c592e67e 100644
--- a/fw/wmi_tlv_defs.h
+++ b/fw/wmi_tlv_defs.h
@@ -1504,6 +1504,9 @@ typedef enum {
     WMITLV_TAG_STRUC_wmi_peer_npca_cap_cmd_fixed_param,
     WMITLV_TAG_STRUC_wmi_pdev_npca_ap_cap_resp_event_fixed_param,
     WMITLV_TAG_STRUC_wmi_wfa_config_ml,
+    WMITLV_TAG_STRUC_wmi_pdev_multi_vdev_get_ac_queue_depth_cmd_fixed_param,
+    WMITLV_TAG_STRUC_wmi_pdev_multi_vdev_ac_queue_depth_event_fixed_param,
+    WMITLV_TAG_STRUC_wmi_vdev_ac_info,
 } WMITLV_TAG_ID;
 /*
  * IMPORTANT: Please add _ALL_ WMI Commands Here.
@@ -2078,6 +2081,7 @@ typedef enum {
     OP(WMI_PEER_TID_RATE_CUSTOM_CMDID) \
     OP(WMI_PDEV_NPCA_AP_CAP_CMDID) \
     OP(WMI_PEER_NPCA_CAP_CMDID) \
+    OP(WMI_PDEV_MULTI_VDEV_GET_AC_QUEUE_DEPTH_CMDID) \
     /* add new CMD_LIST elements above this line */
 
 
@@ -2416,6 +2420,7 @@ typedef enum {
     OP(WMI_HW_BLACKLIST_CHAN_EVENTID) \
     OP(WMI_PDEV_SUSPEND_EVENTID) \
     OP(WMI_PDEV_NPCA_AP_CAP_RESP_EVENTID) \
+    OP(WMI_PDEV_MULTI_VDEV_AC_QUEUE_DEPTH_EVENTID) \
     /* add new EVT_LIST elements above this line */
 
 
@@ -5864,6 +5869,11 @@ WMITLV_CREATE_PARAM_STRUC(WMI_ENERGY_MGMT_ECO_MODE_CONFIG_CMDID);
     WMITLV_ELEM(id,op,buf,len, WMITLV_TAG_ARRAY_UINT32, A_UINT32, rate_code, WMITLV_SIZE_VAR)
 WMITLV_CREATE_PARAM_STRUC(WMI_PEER_TID_RATE_CUSTOM_CMDID);
 
+/* pdev per-vdev queue depth report request cmd */
+#define WMITLV_TABLE_WMI_PDEV_MULTI_VDEV_GET_AC_QUEUE_DEPTH_CMDID(id,op,buf,len) \
+    WMITLV_ELEM(id,op,buf,len, WMITLV_TAG_STRUC_wmi_pdev_multi_vdev_get_ac_queue_depth_cmd_fixed_param, wmi_pdev_multi_vdev_get_ac_queue_depth_cmd_fixed_param, fixed_param, WMITLV_SIZE_FIX)
+WMITLV_CREATE_PARAM_STRUC(WMI_PDEV_MULTI_VDEV_GET_AC_QUEUE_DEPTH_CMDID);
+
 
 
 /************************** TLV definitions of WMI events *******************************/
@@ -8005,6 +8015,12 @@ WMITLV_CREATE_PARAM_STRUC(WMI_PDEV_POWER_BOOST_EVENTID);
     WMITLV_ELEM(id,op,buf,len, WMITLV_TAG_ARRAY_STRUC, wmi_scan_cache_info, scan_cache_info, WMITLV_SIZE_VAR)
 WMITLV_CREATE_PARAM_STRUC(WMI_SCAN_CACHE_RESULT_EVENTID);
 
+/* pdev per-vdev queue depth report event */
+#define WMITLV_TABLE_WMI_PDEV_MULTI_VDEV_AC_QUEUE_DEPTH_EVENTID(id,op,buf,len) \
+    WMITLV_ELEM(id,op,buf,len, WMITLV_TAG_STRUC_wmi_pdev_multi_vdev_ac_queue_depth_event_fixed_param, wmi_pdev_multi_vdev_ac_queue_depth_event_fixed_param, fixed_param, WMITLV_SIZE_FIX) \
+    WMITLV_ELEM(id,op,buf,len, WMITLV_TAG_ARRAY_STRUC, wmi_vdev_ac_info, vdev_ac_info, WMITLV_SIZE_VAR)
+WMITLV_CREATE_PARAM_STRUC(WMI_PDEV_MULTI_VDEV_AC_QUEUE_DEPTH_EVENTID);
+
 
 #ifdef __cplusplus
 }
diff --git a/fw/wmi_unified.h b/fw/wmi_unified.h
index 511974bea79f..4b0cd1ae5ad0 100644
--- a/fw/wmi_unified.h
+++ b/fw/wmi_unified.h
@@ -600,6 +600,11 @@ typedef enum {
      * WMI cmd to to Enable/Disable NPCA and its capabilities
      */
     WMI_PDEV_NPCA_AP_CAP_CMDID,
+    /**
+     * WMI cmd to get the per-vdev, per-access-category queue pending packets
+     * for the pdev
+     */
+    WMI_PDEV_MULTI_VDEV_GET_AC_QUEUE_DEPTH_CMDID,
 
     /* VDEV (virtual device) specific commands */
     /** vdev create */
@@ -1940,6 +1945,9 @@ typedef enum {
      */
     WMI_PDEV_NPCA_AP_CAP_RESP_EVENTID,
 
+    /* Event to share the per-access-category queue pending packets */
+    WMI_PDEV_MULTI_VDEV_AC_QUEUE_DEPTH_EVENTID,
+
 
     /* VDEV specific events */
     /** VDEV started event in response to VDEV_START request */
@@ -51587,6 +51595,30 @@ typedef struct {
     A_UINT32 pdev_id;
 } wmi_energy_mgmt_eco_mode_config_cmd_fixed_param;
 
+typedef struct {
+    A_UINT32 tlv_header; /** TLV tag and len; tag equals WMITLV_TAG_STRUC_wmi_pdev_multi_vdev_get_ac_queue_depth_cmd_fixed_param */
+    A_UINT32 pdev_id; /** pdev ID set by the command */
+} wmi_pdev_multi_vdev_get_ac_queue_depth_cmd_fixed_param;
+
+typedef struct {
+    A_UINT32 tlv_header;  /* TLV tag and len; tag equals WMITLV_TAG_STRUC_wmi_vdev_ac_info */
+    A_UINT32 vdev_id;
+    /** pending_packets_per_ac:
+     *  number of MSDUs pending in MSDU and MPDU queues for the Access Category
+     *  for the specific vdev
+     */
+    A_UINT32 pending_packets_per_ac[WLAN_MAX_AC];
+} wmi_vdev_ac_info;
+
+typedef struct {
+    A_UINT32 tlv_header;     /* TLV tag and len; tag equals WMITLV_TAG_STRUC_wmi_pdev_multi_vdev_ac_queue_depth_event_fixed_param */
+    A_UINT32 pdev_id;        /* pdev ID set by the command */
+    /* The TLVs for the 4 AC follows with the vdev_id :
+     *     wmi_vdev_ac_info vdev_ac_info[];   wmi_vdev_ac_info for BE/BK/VI/VO
+     */
+} wmi_pdev_multi_vdev_ac_queue_depth_event_fixed_param;
+
+
 
 
 /* ADD NEW DEFS HERE */
diff --git a/fw/wmi_version.h b/fw/wmi_version.h
index d80c0e214767..1ae44988418a 100644
--- a/fw/wmi_version.h
+++ b/fw/wmi_version.h
@@ -37,7 +37,7 @@
 #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_ 1640
+#define __WMI_REVISION_ 1641
 
 /** The Version Namespace should not be normally changed. Only
  *  host and firmware of the same WMI namespace will work