diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index c6310aef5ab052fe760a536c707a1d4807eb9d02..f2d248f8cc929bd39c91e58c253e8b388126c3d3 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -434,6 +434,7 @@ struct ethtool_ops {
 #define SUPPORTED_10000baseT_Full	(1 << 12)
 #define SUPPORTED_Pause			(1 << 13)
 #define SUPPORTED_Asym_Pause		(1 << 14)
+#define SUPPORTED_2500baseX_Full	(1 << 15)
 
 /* Indicates what features are advertised by the interface. */
 #define ADVERTISED_10baseT_Half		(1 << 0)
@@ -451,6 +452,7 @@ struct ethtool_ops {
 #define ADVERTISED_10000baseT_Full	(1 << 12)
 #define ADVERTISED_Pause		(1 << 13)
 #define ADVERTISED_Asym_Pause		(1 << 14)
+#define ADVERTISED_2500baseX_Full	(1 << 15)
 
 /* The following are all involved in forcing a particular link
  * mode for the device for setting things.  When getting the