diff --git a/os_if/linux/qca_vendor.h b/os_if/linux/qca_vendor.h
index e1403e0a8113..afef74d304f6 100644
--- a/os_if/linux/qca_vendor.h
+++ b/os_if/linux/qca_vendor.h
@@ -3403,6 +3403,12 @@ enum qca_wlan_vendor_attr_config {
 	 */
 	QCA_WLAN_VENDOR_ATTR_CONFIG_RSN_IE = 56,
 
+	/*
+	 * 8-bit unsigned value to trigger green Tx power saving.
+	 * 1-Enable, 0-Disable
+	 */
+	QCA_WLAN_VENDOR_ATTR_CONFIG_GTX = 57,
+
 	/* keep last */
 	QCA_WLAN_VENDOR_ATTR_CONFIG_AFTER_LAST,
 	QCA_WLAN_VENDOR_ATTR_CONFIG_MAX =