diff --git a/os_if/linux/qca_vendor.h b/os_if/linux/qca_vendor.h
index 81dfa7d0e562..373b33b003b3 100644
--- a/os_if/linux/qca_vendor.h
+++ b/os_if/linux/qca_vendor.h
@@ -5743,6 +5743,24 @@ enum qca_wlan_ac_type {
 	QCA_WLAN_AC_ALL = 4,
 };
 
+/**
+ * enum qca_wlan_he_ltf_cfg - HE LTF configuration
+ *
+ * Indicates the HE LTF configuration value.
+ *
+ * @QCA_WLAN_HE_LTF_AUTO: HE-LTF is automatically set to
+ * the mandatory HE-LTF based on the GI setting
+ * @QCA_WLAN_HE_LTF_1X: 1X HE LTF is 3.2us LTF
+ * @QCA_WLAN_HE_LTF_2X: 2X HE LTF is 6.4us LTF
+ * @QCA_WLAN_HE_LTF_4X: 4X HE LTF is 12.8us LTF
+ */
+enum qca_wlan_he_ltf_cfg {
+	QCA_WLAN_HE_LTF_AUTO = 0,
+	QCA_WLAN_HE_LTF_1X = 1,
+	QCA_WLAN_HE_LTF_2X = 2,
+	QCA_WLAN_HE_LTF_4X = 3,
+};
+
 /* Attributes for data used by
  * QCA_NL80211_VENDOR_SUBCMD_WIFI_TEST_CONFIGURATION
  */
@@ -5830,6 +5848,12 @@ enum qca_wlan_vendor_attr_wifi_test_config {
 	 */
 	QCA_WLAN_VENDOR_ATTR_WIFI_TEST_CONFIG_NO_ACK_AC = 11,
 
+	/* 8-bit unsigned value to configure the HE LTF
+	 * This attribute is used to configure the testbed device.
+	 * Uses the enum qca_wlan_he_ltf_cfg values.
+	 */
+	QCA_WLAN_VENDOR_ATTR_WIFI_TEST_CONFIG_HE_LTF = 12,
+
 	/* keep last */
 	QCA_WLAN_VENDOR_ATTR_WIFI_TEST_CONFIG_AFTER_LAST,
 	QCA_WLAN_VENDOR_ATTR_WIFI_TEST_CONFIG_MAX =