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1 | /* The "unknown" protocol. This is what is used for protocols we |
2 | * don't understand. It's returned by ip_ct_find_proto(). |
3 | */ |
4 | |
5 | /* (C) 1999-2001 Paul `Rusty' Russell |
6 | * (C) 2002-2006 Netfilter Core Team <coreteam@netfilter.org> |
7 | * |
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. |
11 | */ |
12 | |
13 | #include <linux/types.h> |
14 | #include <linux/init.h> |
15 | |
16 | #include <linux/netfilter.h> |
17 | #include <net/netfilter/nf_nat.h> |
18 | #include <net/netfilter/nf_nat_l4proto.h> |
19 | |
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) |
24 | { |
25 | return true; |
26 | } |
27 | |
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) |
33 | { |
34 | /* Sorry: we can't help you; if it's not unique, we can't frob |
35 | * anything. |
36 | */ |
37 | return; |
38 | } |
39 | |
40 | static bool |
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) |
46 | { |
47 | return true; |
48 | } |
49 | |
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, |
54 | }; |
55 |
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v2.6.34-rc5
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