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/jiffies.h>
11 #include <linux/timer.h>
12 #include <linux/netfilter.h>
13 #include <net/netfilter/nf_conntrack_l4proto.h>
15 static unsigned int nf_ct_generic_timeout __read_mostly
= 600*HZ
;
17 static bool generic_pkt_to_tuple(const struct sk_buff
*skb
,
19 struct nf_conntrack_tuple
*tuple
)
27 static bool generic_invert_tuple(struct nf_conntrack_tuple
*tuple
,
28 const struct nf_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 nf_conntrack_tuple
*tuple
)
43 /* Returns verdict for packet, or -1 for invalid. */
44 static int packet(struct nf_conn
*ct
,
45 const struct sk_buff
*skb
,
47 enum ip_conntrack_info ctinfo
,
51 nf_ct_refresh_acct(ct
, ctinfo
, skb
, nf_ct_generic_timeout
);
55 /* Called when a new connection for this protocol found. */
56 static bool new(struct nf_conn
*ct
, const struct sk_buff
*skb
,
63 static struct ctl_table_header
*generic_sysctl_header
;
64 static struct ctl_table generic_sysctl_table
[] = {
66 .procname
= "nf_conntrack_generic_timeout",
67 .data
= &nf_ct_generic_timeout
,
68 .maxlen
= sizeof(unsigned int),
70 .proc_handler
= proc_dointvec_jiffies
,
74 #ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT
75 static struct ctl_table generic_compat_sysctl_table
[] = {
77 .procname
= "ip_conntrack_generic_timeout",
78 .data
= &nf_ct_generic_timeout
,
79 .maxlen
= sizeof(unsigned int),
81 .proc_handler
= proc_dointvec_jiffies
,
85 #endif /* CONFIG_NF_CONNTRACK_PROC_COMPAT */
86 #endif /* CONFIG_SYSCTL */
88 struct nf_conntrack_l4proto nf_conntrack_l4proto_generic __read_mostly
=
93 .pkt_to_tuple
= generic_pkt_to_tuple
,
94 .invert_tuple
= generic_invert_tuple
,
95 .print_tuple
= generic_print_tuple
,
99 .ctl_table_header
= &generic_sysctl_header
,
100 .ctl_table
= generic_sysctl_table
,
101 #ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT
102 .ctl_compat_table
= generic_compat_sysctl_table
,