nf_frags.qsize = sizeof(struct frag_queue);
nf_frags.match = rpl_ip6_frag_match;
nf_frags.frag_expire = nf_ct_frag6_expire;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0)
+#ifdef HAVE_INET_FRAGS_WITH_FRAGS_WORK
nf_frags.frags_cache_name = nf_frags_cache_name;
#endif
ret = inet_frags_init(&nf_frags);