[NETFILTER]: nf_nat: add helpers for common NAT protocol operations

[linux-2.6-omap-h63xx.git] / include / net / netfilter / nf_nat_protocol.h

diff --git a/include/net/netfilter/nf_nat_protocol.h b/include/net/netfilter/nf_nat_protocol.h
index 4aa0edbb5b966c7b2b7f16969734c522cf840ecf..fa06f6d0de54a832d252f025a313803e813cb91a 100644 (file)
--- a/include/net/netfilter/nf_nat_protocol.h
+++ b/include/net/netfilter/nf_nat_protocol.h
@@ -62,6 +62,17 @@ extern int init_protocols(void) __init;
 extern void cleanup_protocols(void);
 extern const struct nf_nat_protocol *find_nat_proto(u_int16_t protonum);
 
+extern int nf_nat_proto_in_range(const struct nf_conntrack_tuple *tuple,
+                                enum nf_nat_manip_type maniptype,
+                                const union nf_conntrack_man_proto *min,
+                                const union nf_conntrack_man_proto *max);
+
+extern int nf_nat_proto_unique_tuple(struct nf_conntrack_tuple *tuple,
+                                    const struct nf_nat_range *range,
+                                    enum nf_nat_manip_type maniptype,
+                                    const struct nf_conn *ct,
+                                    u_int16_t *rover);
+
 extern int nf_nat_port_range_to_nlattr(struct sk_buff *skb,
                                       const struct nf_nat_range *range);
 extern int nf_nat_port_nlattr_to_range(struct nlattr *tb[],