linux/net/netfilter/xt_state.c

// SPDX-License-Identifier: GPL-2.0-only
/* Kernel module to match connection tracking information. */

/* (C) 1999-2001 Paul `Rusty' Russell
 * (C) 2002-2005 Netfilter Core Team <[email protected]>
 */

#include <linux/module.h>
#include <linux/skbuff.h>
#include <net/netfilter/nf_conntrack.h>
#include <linux/netfilter/x_tables.h>
#include <linux/netfilter/xt_state.h>

MODULE_LICENSE(…) …;
MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_ALIAS(…) …;
MODULE_ALIAS(…) …;

static bool
state_mt(const struct sk_buff *skb, struct xt_action_param *par)
{ … }

static int state_mt_check(const struct xt_mtchk_param *par)
{ … }

static void state_mt_destroy(const struct xt_mtdtor_param *par)
{ … }

static struct xt_match state_mt_reg __read_mostly = …;

static int __init state_mt_init(void)
{ … }

static void __exit state_mt_exit(void)
{ … }

module_init(…) …;
module_exit(state_mt_exit);