diff --git a/os_if/linux/qca_vendor.h b/os_if/linux/qca_vendor.h
index a675f75fc013..3aea78872e2b 100644
--- a/os_if/linux/qca_vendor.h
+++ b/os_if/linux/qca_vendor.h
@@ -9586,6 +9586,15 @@ enum qca_vendor_wlan_sta_guard_interval {
  * only. This represents number of Beacon frames received from this station with
  * the packet number less than or equal to the last received packet number when
  * beacon protection is enabled.
+ *
+ * @QCA_WLAN_VENDOR_ATTR_GET_STA_INFO_CONNECT_FAIL_REASON_CODE: u32, used in
+ * STA mode only. Driver uses this attribute to populate the connection failure
+ * reason codes and the values are defined in
+ * enum qca_sta_connect_fail_reason_codes. Userspace applications can send
+ * QCA_NL80211_VENDOR_SUBCMD_GET_STA_INFO vendor command after receiving
+ * connection failure from driver. The driver shall not include this attribute
+ * in response to QCA_NL80211_VENDOR_SUBCMD_GET_STA_INFO command if there is no
+ * connection failure observed in the last attempted connection.
  */
 enum qca_wlan_vendor_attr_get_sta_info {
 	QCA_WLAN_VENDOR_ATTR_GET_STA_INFO_INVALID = 0,
@@ -9628,6 +9637,7 @@ enum qca_wlan_vendor_attr_get_sta_info {
 	QCA_WLAN_VENDOR_ATTR_GET_STA_INFO_BIP_REPLAY_COUNT = 40,
 	QCA_WLAN_VENDOR_ATTR_GET_STA_INFO_BEACON_MIC_ERROR_COUNT = 41,
 	QCA_WLAN_VENDOR_ATTR_GET_STA_INFO_BEACON_REPLAY_COUNT = 42,
+	QCA_WLAN_VENDOR_ATTR_GET_STA_INFO_CONNECT_FAIL_REASON_CODE = 43,
 
 	/* keep last */
 	QCA_WLAN_VENDOR_ATTR_GET_STA_INFO_AFTER_LAST,
@@ -10030,6 +10040,34 @@ enum qca_wlan_vendor_oci_override_frame_type {
 	QCA_WLAN_VENDOR_OCI_OVERRIDE_FRAME_FILS_REASSOC_REQ = 4,
 };
 
+/**
+ * enum qca_sta_connect_fail_reason_codes - Defines values carried
+ * by QCA_WLAN_VENDOR_ATTR_GET_STA_INFO_CONNECT_FAIL_REASON_CODE vendor
+ * attribute.
+ * @QCA_STA_CONNECT_FAIL_REASON_NO_BSS_FOUND: No probe response frame received
+ * for unicast probe request.
+ * @QCA_STA_CONNECT_FAIL_REASON_AUTH_TX_FAIL: STA failed to send auth request.
+ * @QCA_STA_CONNECT_FAIL_REASON_AUTH_NO_ACK_RECEIVED: AP didn't send ACK for
+ * ath request.
+ * @QCA_STA_CONNECT_FAIL_REASON_AUTH_NO_RESP_RECEIVED: Auth response is not
+ * received from AP.
+ * @QCA_STA_CONNECT_FAIL_REASON_ASSOC_REQ_TX_FAIL: STA failed to send assoc
+ * request.
+ * @QCA_STA_CONNECT_FAIL_REASON_ASSOC_NO_ACK_RECEIVED: AP didn't send ACK for
+ * assoc request.
+ * @QCA_STA_CONNECT_FAIL_REASON_ASSOC_NO_RESP_RECEIVED: Assoc response is not
+ * received from AP.
+ */
+enum qca_sta_connect_fail_reason_codes {
+	QCA_STA_CONNECT_FAIL_REASON_NO_BSS_FOUND = 1,
+	QCA_STA_CONNECT_FAIL_REASON_AUTH_TX_FAIL = 2,
+	QCA_STA_CONNECT_FAIL_REASON_AUTH_NO_ACK_RECEIVED = 3,
+	QCA_STA_CONNECT_FAIL_REASON_AUTH_NO_RESP_RECEIVED = 4,
+	QCA_STA_CONNECT_FAIL_REASON_ASSOC_REQ_TX_FAIL = 5,
+	QCA_STA_CONNECT_FAIL_REASON_ASSOC_NO_ACK_RECEIVED = 6,
+	QCA_STA_CONNECT_FAIL_REASON_ASSOC_NO_RESP_RECEIVED = 7,
+};
+
 /**
  * enum qca_wlan_vendor_attr_oci_override: Represents attributes for
  * OCI override request. These attributes are used inside nested attribute