linux/net/ipv6/netfilter/ip6t_ipv6header.c

// SPDX-License-Identifier: GPL-2.0-only
/* ipv6header match - matches IPv6 packets based
   on whether they contain certain headers */

/* Original idea: Brad Chapman
 * Rewritten by: Andras Kis-Szabo <[email protected]> */

/* (C) 2001-2002 Andras Kis-Szabo <[email protected]>
 */

#include <linux/module.h>
#include <linux/skbuff.h>
#include <linux/ipv6.h>
#include <linux/types.h>
#include <net/checksum.h>
#include <net/ipv6.h>

#include <linux/netfilter/x_tables.h>
#include <linux/netfilter_ipv6.h>
#include <linux/netfilter_ipv6/ip6t_ipv6header.h>

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

static bool
ipv6header_mt6(const struct sk_buff *skb, struct xt_action_param *par)
{ … }

static int ipv6header_mt6_check(const struct xt_mtchk_param *par)
{ … }

static struct xt_match ipv6header_mt6_reg __read_mostly = …;

static int __init ipv6header_mt6_init(void)
{ … }

static void __exit ipv6header_mt6_exit(void)
{ … }

module_init(…) …;
module_exit(ipv6header_mt6_exit);