+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)
+static inline bool ip_is_fragment(const struct iphdr *iph)
+{
+ return (iph->frag_off & htons(IP_MF | IP_OFFSET)) != 0;
+}
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,13,0)
+static inline void rpl_inet_get_local_port_range(struct net *net, int *low,
+ int *high)
+{
+ inet_get_local_port_range(low, high);
+}
+#define inet_get_local_port_range rpl_inet_get_local_port_range