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_l4proto.h>
20 static bool unknown_in_range(const struct nf_conntrack_tuple
*tuple
,
21 enum nf_nat_manip_type manip_type
,
22 const union nf_conntrack_man_proto
*min
,
23 const union nf_conntrack_man_proto
*max
)
28 static void unknown_unique_tuple(const struct nf_nat_l3proto
*l3proto
,
29 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
41 unknown_manip_pkt(struct sk_buff
*skb
,
42 const struct nf_nat_l3proto
*l3proto
,
43 unsigned int iphdroff
, unsigned int hdroff
,
44 const struct nf_conntrack_tuple
*tuple
,
45 enum nf_nat_manip_type maniptype
)
50 const struct nf_nat_l4proto nf_nat_l4proto_unknown
= {
51 .manip_pkt
= unknown_manip_pkt
,
52 .in_range
= unknown_in_range
,
53 .unique_tuple
= unknown_unique_tuple
,