--- ethtool.fixed.h	2005-04-13 13:39:08.000000000 -0700
+++ ethtool.h	2005-04-13 13:35:31.000000000 -0700
@@ -12,6 +12,8 @@
 #ifndef _LINUX_ETHTOOL_H
 #define _LINUX_ETHTOOL_H
 
+#include <linux/types.h>
+
 /* This should work for both 32 and 64 bit userland. */
 struct ethtool_cmd {
 	__u32	cmd;