-typedef unsigned long long u64; /* hack, so we may include kernel's ethtool.h */
-typedef uint32_t u32; /* ditto */
-typedef uint16_t u16; /* ditto */
-typedef uint8_t u8; /* ditto */
+#ifndef IFNAMSIZ
+#define IFNAMSIZ 16
+#endif
+
+typedef uint64_t u64; /* hack, so we may include kernel's ethtool.h */
+typedef uint32_t u32; /* ditto */
+typedef uint16_t u16; /* ditto */
+typedef uint8_t u8; /* ditto */