1 files changed, 14 insertions, 2 deletions

diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 048d0fa38d03..c6e427ab65fe 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -310,9 +310,21 @@ struct ethtool_sset_info {
                                    __u32's, etc. */
 };
 
+/**
+ * enum ethtool_test_flags - flags definition of ethtool_test
+ * @ETH_TEST_FL_OFFLINE: if set perform online and offline tests, otherwise
+ *      only online tests.
+ * @ETH_TEST_FL_FAILED: Driver set this flag if test fails.
+ * @ETH_TEST_FL_EXTERNAL_LB: Application request to perform external loopback
+ *      test.
+ * @ETH_TEST_FL_EXTERNAL_LB_DONE: Driver performed the external loopback test
+ */
+
 enum ethtool_test_flags {
-        ETH_TEST_FL_OFFLINE     = (1 << 0),     /* online / offline */
-        ETH_TEST_FL_FAILED      = (1 << 1),     /* test passed / failed */
+        ETH_TEST_FL_OFFLINE     = (1 << 0),
+        ETH_TEST_FL_FAILED      = (1 << 1),
+        ETH_TEST_FL_EXTERNAL_LB = (1 << 2),
+        ETH_TEST_FL_EXTERNAL_LB_DONE    = (1 << 3),
 };
 
 /* for requesting NIC test and getting results*/