diff --git a/target/inc/wmi_tlv_defs.h b/target/inc/wmi_tlv_defs.h
index d7645fa8cacf..6633321b27cb 100644
--- a/target/inc/wmi_tlv_defs.h
+++ b/target/inc/wmi_tlv_defs.h
@@ -613,6 +613,7 @@ typedef enum {
 	WMITLV_TAG_STRUC_wmi_bpf_del_vdev_instructions_cmd_fixed_param,
 	WMITLV_TAG_STRUC_wmi_vdev_delete_resp_event_fixed_param,
 	WMITLV_TAG_STRUC_wmi_peer_delete_resp_event_fixed_param,
+	WMITLV_TAG_STRUC_wmi_roam_dense_thres_param,
 
 } WMITLV_TAG_ID;
 
@@ -1107,7 +1108,8 @@ WMITLV_CREATE_PARAM_STRUC(WMI_ROAM_SCAN_MODE);
 #define WMITLV_TABLE_WMI_ROAM_SCAN_RSSI_THRESHOLD(id,op,buf,len) \
 	WMITLV_ELEM(id, op, buf, len, WMITLV_TAG_STRUC_wmi_roam_scan_rssi_threshold_fixed_param, wmi_roam_scan_rssi_threshold_fixed_param, fixed_param, WMITLV_SIZE_FIX)\
 	WMITLV_ELEM(id, op, buf, len, WMITLV_TAG_ARRAY_STRUC, wmi_roam_scan_extended_threshold_param, extended_param, WMITLV_SIZE_VAR) \
-	WMITLV_ELEM(id, op, buf, len, WMITLV_TAG_ARRAY_STRUC, wmi_roam_earlystop_rssi_thres_param, earlystop_param, WMITLV_SIZE_VAR)
+	WMITLV_ELEM(id, op, buf, len, WMITLV_TAG_ARRAY_STRUC, wmi_roam_earlystop_rssi_thres_param, earlystop_param, WMITLV_SIZE_VAR) \
+	WMITLV_ELEM(id, op, buf, len, WMITLV_TAG_ARRAY_STRUC, wmi_roam_dense_thres_param, dense_param, WMITLV_SIZE_VAR)
 
 WMITLV_CREATE_PARAM_STRUC(WMI_ROAM_SCAN_RSSI_THRESHOLD);
 
diff --git a/target/inc/wmi_unified.h b/target/inc/wmi_unified.h
index 563ea90e65ff..1a8ca58ec6c1 100644
--- a/target/inc/wmi_unified.h
+++ b/target/inc/wmi_unified.h
@@ -6056,6 +6056,7 @@ typedef struct {
 	/* The TLVs will follow.
 	 * wmi_roam_scan_extended_threshold_param extended_param;
 	 * wmi_roam_earlystop_rssi_thres_param earlystop_param;
+	 * wmi_roam_dense_thres_param dense_param;
 	 */
 } wmi_roam_scan_rssi_threshold_fixed_param;
 
@@ -6228,6 +6229,24 @@ typedef struct {
 	A_UINT32 roam_earlystop_thres_max;
 } wmi_roam_earlystop_rssi_thres_param;
 
+typedef struct {
+	/* TLV tag and len;
+	 * tag equals WMITLV_TAG_STRUC_wmi_roam_dense_thres_param
+	 */
+	A_UINT32 tlv_header;
+	/* rssi threshold offset under trffic and dense env */
+	A_UINT32 roam_dense_rssi_thres_offset;
+	/* minimum number of APs to determine dense env */
+	A_UINT32 roam_dense_min_aps;
+	/* initial dense status detected by host
+	 * at the time of initial connection */
+	A_UINT32 roam_dense_status;
+	/* traffic threshold to enable aggressive roaming in dense env;
+	 * units are percent of medium occupancy, 0 - 100
+	 */
+	A_UINT32 roam_dense_traffic_thres;
+} wmi_roam_dense_thres_param;
+
 /** Beacon filter wmi command info */
 
 #define BCN_FLT_MAX_SUPPORTED_IES    256