1 /* The "unknown" protocol. This is what is used for protocols we
2 * don't understand. It's returned by ip_ct_find_proto().
5 /* (C) 1999-2001 Paul `Rusty' Russell
6 * (C) 2002-2006 Netfilter Core Team <coreteam@netfilter.org>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
13 #include <linux/types.h>
14 #include <linux/init.h>
16 #include <linux/netfilter.h>
17 #include <net/netfilter/nf_nat.h>
18 #include <net/netfilter/nf_nat_rule.h>
19 #include <net/netfilter/nf_nat_protocol.h>
21 static int unknown_in_range(const struct nf_conntrack_tuple
*tuple
,
22 enum nf_nat_manip_type manip_type
,
23 const union nf_conntrack_man_proto
*min
,
24 const union nf_conntrack_man_proto
*max
)
29 static int unknown_unique_tuple(struct nf_conntrack_tuple
*tuple
,
30 const struct nf_nat_range
*range
,
31 enum nf_nat_manip_type maniptype
,
32 const struct nf_conn
*ct
)
34 /* Sorry: we can't help you; if it's not unique, we can't frob
40 unknown_manip_pkt(struct sk_buff
**pskb
,
41 unsigned int iphdroff
,
42 const struct nf_conntrack_tuple
*tuple
,
43 enum nf_nat_manip_type maniptype
)
48 struct nf_nat_protocol nf_nat_unknown_protocol
= {
50 /* .me isn't set: getting a ref to this cannot fail. */
51 .manip_pkt
= unknown_manip_pkt
,
52 .in_range
= unknown_in_range
,
53 .unique_tuple
= unknown_unique_tuple
,