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[PATCH] remove many unneeded #includes of sched.h
[linux-2.6-omap-h63xx.git] / net / ipv4 / netfilter / ip_conntrack_proto_generic.c
1 /* (C) 1999-2001 Paul `Rusty' Russell
2  * (C) 2002-2004 Netfilter Core Team <coreteam@netfilter.org>
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License version 2 as
6  * published by the Free Software Foundation.
7  */
8
9 #include <linux/types.h>
10 #include <linux/timer.h>
11 #include <linux/netfilter.h>
12 #include <linux/netfilter_ipv4/ip_conntrack_protocol.h>
13
14 unsigned int ip_ct_generic_timeout __read_mostly = 600*HZ;
15
16 static int generic_pkt_to_tuple(const struct sk_buff *skb,
17                                 unsigned int dataoff,
18                                 struct ip_conntrack_tuple *tuple)
19 {
20         tuple->src.u.all = 0;
21         tuple->dst.u.all = 0;
22
23         return 1;
24 }
25
26 static int generic_invert_tuple(struct ip_conntrack_tuple *tuple,
27                                 const struct ip_conntrack_tuple *orig)
28 {
29         tuple->src.u.all = 0;
30         tuple->dst.u.all = 0;
31
32         return 1;
33 }
34
35 /* Print out the per-protocol part of the tuple. */
36 static int generic_print_tuple(struct seq_file *s,
37                                const struct ip_conntrack_tuple *tuple)
38 {
39         return 0;
40 }
41
42 /* Print out the private part of the conntrack. */
43 static int generic_print_conntrack(struct seq_file *s,
44                                    const struct ip_conntrack *state)
45 {
46         return 0;
47 }
48
49 /* Returns verdict for packet, or -1 for invalid. */
50 static int packet(struct ip_conntrack *conntrack,
51                   const struct sk_buff *skb,
52                   enum ip_conntrack_info ctinfo)
53 {
54         ip_ct_refresh_acct(conntrack, ctinfo, skb, ip_ct_generic_timeout);
55         return NF_ACCEPT;
56 }
57
58 /* Called when a new connection for this protocol found. */
59 static int new(struct ip_conntrack *conntrack, const struct sk_buff *skb)
60 {
61         return 1;
62 }
63
64 struct ip_conntrack_protocol ip_conntrack_generic_protocol =
65 {
66         .proto                  = 0,
67         .name                   = "unknown",
68         .pkt_to_tuple           = generic_pkt_to_tuple,
69         .invert_tuple           = generic_invert_tuple,
70         .print_tuple            = generic_print_tuple,
71         .print_conntrack        = generic_print_conntrack,
72         .packet                 = packet,
73         .new                    = new,
74 };