--- zzzz-none-000/linux-4.4.271/include/uapi/linux/ethtool.h	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/include/uapi/linux/ethtool.h	2023-04-19 10:22:30.000000000 +0000
@@ -1261,6 +1261,7 @@
 #define SUPPORTED_56000baseCR4_Full	(1 << 28)
 #define SUPPORTED_56000baseSR4_Full	(1 << 29)
 #define SUPPORTED_56000baseLR4_Full	(1 << 30)
+#define SUPPORTED_PTP			(1 << 31)
 
 #define ADVERTISED_10baseT_Half		(1 << 0)
 #define ADVERTISED_10baseT_Full		(1 << 1)
@@ -1293,6 +1294,7 @@
 #define ADVERTISED_56000baseCR4_Full	(1 << 28)
 #define ADVERTISED_56000baseSR4_Full	(1 << 29)
 #define ADVERTISED_56000baseLR4_Full	(1 << 30)
+#define ADVERTISED_PTP			(1 << 31)
 
 /* The following are all involved in forcing a particular link
  * mode for the device for setting things.  When getting the