--- linux-2.6.17/include/linux/skbuff.h 2006-09-20 16:13:42.000000000 -0700
+++ linux-2.6.17-patched/include/linux/skbuff.h 2006-09-20 16:14:29.000000000 -0700
@@ -239,6 +239,7 @@
} nh;
union {
+ struct ethhdr *ethernet;
unsigned char *raw;
} mac;