diff --git a/wmi/inc/wmi_unified_roam_param.h b/wmi/inc/wmi_unified_roam_param.h
index 9da790355e96..472fd880e5cc 100644
--- a/wmi/inc/wmi_unified_roam_param.h
+++ b/wmi/inc/wmi_unified_roam_param.h
@@ -200,6 +200,8 @@ struct wmi_mawc_roam_params {
  *                             AP's, in units of db
  * @num_disallowed_aps: How many APs the target should maintain in its LCA
  *                      list
+ * @delta_rssi: (dB units) when AB in RSSI blacklist improved by at least
+ *              delta_rssi,it will be removed from blacklist
  *
  * This structure holds all the key parameters related to
  * initial connection and roaming connections.
@@ -222,6 +224,7 @@ struct roam_scan_filter_params {
 	uint32_t num_rssi_rejection_ap;
 	struct reject_ap_config_params
 				rssi_rejection_ap[MAX_RSSI_AVOID_BSSID_LIST];
+	uint32_t delta_rssi;
 };
 
 #define WMI_CFG_VALID_CHANNEL_LIST_LEN    100
diff --git a/wmi/src/wmi_unified_roam_tlv.c b/wmi/src/wmi_unified_roam_tlv.c
index 974fdac64b56..49321a8f1995 100644
--- a/wmi/src/wmi_unified_roam_tlv.c
+++ b/wmi/src/wmi_unified_roam_tlv.c
@@ -425,6 +425,7 @@ static QDF_STATUS send_roam_scan_filter_cmd_tlv(wmi_unified_t wmi_handle,
 			roam_req->num_bssid_preferred_list;
 	roam_filter->num_rssi_rejection_ap =
 			roam_req->num_rssi_rejection_ap;
+	roam_filter->delta_rssi = roam_req->delta_rssi;
 	buf_ptr += sizeof(wmi_roam_filter_fixed_param);
 
 	WMITLV_SET_HDR((buf_ptr),