diff --git a/src/common/qca-vendor.h b/src/common/qca-vendor.h
index eabf68975..eaa8b7660 100644
--- a/src/common/qca-vendor.h
+++ b/src/common/qca-vendor.h
@@ -3516,6 +3516,14 @@ enum qca_wlan_vendor_attr_gscan_results {
 
 	QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_BUCKETS_SCANNED = 45,
 
+	/* Unsigned 32-bit value; a GSCAN Capabilities attribute.
+	 * This is used to limit the maximum number of BSSIDs while sending
+	 * the vendor command QCA_NL80211_VENDOR_SUBCMD_ROAM with attributes
+	 * QCA_WLAN_VENDOR_ATTR_ROAM_SUBCMD_SET_BLACKLIST_BSSID and
+	 * QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_NUM_BSSID.
+	 */
+	QCA_WLAN_VENDOR_ATTR_GSCAN_MAX_NUM_BLACKLISTED_BSSID = 46,
+
 	/* keep last */
 	QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_AFTER_LAST,
 	QCA_WLAN_VENDOR_ATTR_GSCAN_RESULTS_MAX =