Usefull for all protocols which do not add additional data, such
as GRE or UDPlite.
Signed-off-by: Holger Eitzenberger <holger@xxxxxxxxxxxxxxxx>
Index: net-next-2.6/include/net/netfilter/nf_conntrack_l4proto.h
===================================================================
--- net-next-2.6.orig/include/net/netfilter/nf_conntrack_l4proto.h
+++ net-next-2.6/include/net/netfilter/nf_conntrack_l4proto.h
@@ -121,6 +121,7 @@ extern int nf_ct_port_tuple_to_nlattr(st
const struct nf_conntrack_tuple *tuple);
extern int nf_ct_port_nlattr_to_tuple(struct nlattr *tb[],
struct nf_conntrack_tuple *t);
+extern int nf_ct_port_nlattr_tuple_size(void);
extern const struct nla_policy nf_ct_port_nla_policy[];
#ifdef CONFIG_SYSCTL
Index: net-next-2.6/net/netfilter/nf_conntrack_core.c
===================================================================
--- net-next-2.6.orig/net/netfilter/nf_conntrack_core.c
+++ net-next-2.6/net/netfilter/nf_conntrack_core.c
@@ -902,6 +902,12 @@ int nf_ct_port_nlattr_to_tuple(struct nl
return 0;
}
EXPORT_SYMBOL_GPL(nf_ct_port_nlattr_to_tuple);
+
+int nf_ct_port_nlattr_tuple_size(void)
+{
+ return nla_policy_len(nf_ct_port_nla_policy, CTA_PROTO_MAX + 1);
+}
+EXPORT_SYMBOL_GPL(nf_ct_port_nlattr_tuple_size);
#endif
/* Used by ipt_REJECT and ip6t_REJECT. */
--
--
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