diff --git a/sys/compat/linuxkpi/common/include/linux/ethtool.h b/sys/compat/linuxkpi/common/include/linux/ethtool.h
--- a/sys/compat/linuxkpi/common/include/linux/ethtool.h
+++ b/sys/compat/linuxkpi/common/include/linux/ethtool.h
@@ -38,4 +38,20 @@
 	uint8_t __dummy[0];
 };
 
+enum ethtool_ss {
+	ETH_SS_STATS,
+};
+
+struct ethtool_drvinfo {
+	char			*driver;
+	char			*version;
+	char			*fw_version;
+	char			*bus_info;
+};
+
+struct net_device;
+struct ethtool_ops {
+	void(*get_drvinfo)(struct net_device *, struct ethtool_drvinfo *);
+};
+
 #endif	/* _LINUXKPI_LINUX_ETHTOOL_H_ */