htons(oldlen), htons(datalen), 1);
}
+#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
static int nf_nat_ipv4_nlattr_to_range(struct nlattr *tb[],
struct nf_nat_range *range)
{
return 0;
}
+#endif
static const struct nf_nat_l3proto nf_nat_l3proto_ipv4 = {
.l3proto = NFPROTO_IPV4,
.manip_pkt = nf_nat_ipv4_manip_pkt,
.csum_update = nf_nat_ipv4_csum_update,
.csum_recalc = nf_nat_ipv4_csum_recalc,
+#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
.nlattr_to_range = nf_nat_ipv4_nlattr_to_range,
+#endif
#ifdef CONFIG_XFRM
.decode_session = nf_nat_ipv4_decode_session,
#endif