#define skb_checksum_help(skb) skb_checksum_help((skb), 0)
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
+static inline int netdev_rx_handler_register(struct net_device *dev,
+ void *rx_handler,
+ void *rx_handler_data)
+{
+ return 0;
+}
+static inline void netdev_rx_handler_unregister(struct net_device *dev) { }
+#endif
+
#endif