1/*
2 * (C) 2012 by Pablo Neira Ayuso <pablo@netfilter.org>
3 * (C) 2012 by Vyatta Inc. <http://www.vyatta.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation (or any later at your option).
8 */
9
10#include <linux/types.h>
11#include <linux/netfilter.h>
12#include <linux/skbuff.h>
13#include <linux/vmalloc.h>
14#include <linux/stddef.h>
15#include <linux/err.h>
16#include <linux/percpu.h>
17#include <linux/kernel.h>
18#include <linux/netdevice.h>
19#include <linux/slab.h>
20#include <linux/export.h>
21
22#include <net/netfilter/nf_conntrack.h>
23#include <net/netfilter/nf_conntrack_core.h>
24#include <net/netfilter/nf_conntrack_extend.h>
25#include <net/netfilter/nf_conntrack_timeout.h>
26
27struct ctnl_timeout *
28(*nf_ct_timeout_find_get_hook)(const char *name) __read_mostly;
29EXPORT_SYMBOL_GPL(nf_ct_timeout_find_get_hook);
30
31void (*nf_ct_timeout_put_hook)(struct ctnl_timeout *timeout) __read_mostly;
32EXPORT_SYMBOL_GPL(nf_ct_timeout_put_hook);
33
34static struct nf_ct_ext_type timeout_extend __read_mostly = {
35	.len	= sizeof(struct nf_conn_timeout),
36	.align	= __alignof__(struct nf_conn_timeout),
37	.id	= NF_CT_EXT_TIMEOUT,
38};
39
40int nf_conntrack_timeout_init(void)
41{
42	int ret = nf_ct_extend_register(&timeout_extend);
43	if (ret < 0)
44		pr_err("nf_ct_timeout: Unable to register timeout extension.\n");
45	return ret;
46}
47
48void nf_conntrack_timeout_fini(void)
49{
50	nf_ct_extend_unregister(&timeout_extend);
51}
52