1 /* (C) 1999-2001 Paul `Rusty' Russell
2 * (C) 2002-2004 Netfilter Core Team <coreteam@netfilter.org>
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.
9 #include <linux/types.h>
10 #include <linux/sched.h>
11 #include <linux/timer.h>
12 #include <linux/netfilter.h>
13 #include <linux/netfilter_ipv4/ip_conntrack_protocol.h>
15 unsigned int ip_ct_generic_timeout __read_mostly
= 600*HZ
;
17 static int generic_pkt_to_tuple(const struct sk_buff
*skb
,
19 struct ip_conntrack_tuple
*tuple
)
27 static int generic_invert_tuple(struct ip_conntrack_tuple
*tuple
,
28 const struct ip_conntrack_tuple
*orig
)
36 /* Print out the per-protocol part of the tuple. */
37 static int generic_print_tuple(struct seq_file
*s
,
38 const struct ip_conntrack_tuple
*tuple
)
43 /* Print out the private part of the conntrack. */
44 static int generic_print_conntrack(struct seq_file
*s
,
45 const struct ip_conntrack
*state
)
50 /* Returns verdict for packet, or -1 for invalid. */
51 static int packet(struct ip_conntrack
*conntrack
,
52 const struct sk_buff
*skb
,
53 enum ip_conntrack_info ctinfo
)
55 ip_ct_refresh_acct(conntrack
, ctinfo
, skb
, ip_ct_generic_timeout
);
59 /* Called when a new connection for this protocol found. */
60 static int new(struct ip_conntrack
*conntrack
, const struct sk_buff
*skb
)
65 struct ip_conntrack_protocol ip_conntrack_generic_protocol
=
69 .pkt_to_tuple
= generic_pkt_to_tuple
,
70 .invert_tuple
= generic_invert_tuple
,
71 .print_tuple
= generic_print_tuple
,
72 .print_conntrack
= generic_print_conntrack
,