--- /dev/null
+--- linux.old/include/linux/netdevice.h 2006-12-30 18:49:37.916951328 +0100
++++ linux.dev/include/linux/netdevice.h 2006-12-30 18:49:49.573179312 +0100
+@@ -526,6 +526,8 @@
+ struct class_device class_dev;
+ /* space for optional statistics and wireless sysfs groups */
+ struct attribute_group *sysfs_groups[3];
++
++ void *ieee80211_ptr;
+ };
+
+ #define NETDEV_ALIGN 32