diff --git a/fw/htt.h b/fw/htt.h
index cf522cc9c9bb..2d9bc93ce51b 100644
--- a/fw/htt.h
+++ b/fw/htt.h
@@ -850,6 +850,7 @@ typedef enum {
     HTT_STATS_PDEV_UL_MUMIMO_HIST_INELIGIBILITY_TAG = 211, /* htt_stats_pdev_ulmumimo_hist_ineligibility_tlv */
     HTT_STATS_PHY_PAPRD_PB_TAG                      = 212, /* htt_stats_phy_paprd_pb_tlv */
     HTT_STATS_HDS_PROF_STATS_TAG                    = 213, /* htt_stat_hds_prof_stats_tlv */
+    HTT_STATS_TX_PDEV_MDSB_NUM_USERS_HISTOGRAM_TLV_TAG = 214, /* htt_stats_tx_pdev_mdsb_num_users_histogram_tlv */
 
     HTT_STATS_MAX_TAG,
 } htt_stats_tlv_tag_t;
diff --git a/fw/htt_stats.h b/fw/htt_stats.h
index 7cc5dcf28b0c..c1f6178c2885 100644
--- a/fw/htt_stats.h
+++ b/fw/htt_stats.h
@@ -1274,6 +1274,13 @@ typedef struct {
 /* preserve old name alias for new name consistent with the tag name */
 typedef htt_stats_tx_pdev_flush_tlv htt_tx_pdev_stats_flush_tlv_v;
 
+#define HTT_TX_PDEV_MDSB_MAX_NUM_USERS 8
+typedef struct {
+    htt_tlv_hdr_t tlv_hdr;
+    A_UINT32 pdev_id;
+    A_UINT32 mdsb_num_users_histogram[HTT_TX_PDEV_MDSB_MAX_NUM_USERS];
+} htt_stats_tx_pdev_mdsb_num_users_histogram_tlv;
+
 #define HTT_TX_PDEV_STATS_MLO_ABORT_TLV_SZ(_num_elems) (sizeof(A_UINT32) * (_num_elems))
 /* NOTE: Variable length TLV, use length spec to infer array size */
 typedef struct {