mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-21 16:29:59 +00:00
![Jan Engelhardt](/assets/img/avatar_default.png)
Superseded by xt_MARK v2 (v2.6.24-2918-ge0a812a). Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
/*
|
|
* xt_MARK - Netfilter module to modify the NFMARK field of an skb
|
|
*
|
|
* (C) 1999-2001 Marc Boucher <marc@mbsi.ca>
|
|
* Copyright © CC Computer Consultants GmbH, 2007 - 2008
|
|
* Jan Engelhardt <jengelh@computergmbh.de>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/skbuff.h>
|
|
#include <linux/ip.h>
|
|
#include <net/checksum.h>
|
|
|
|
#include <linux/netfilter/x_tables.h>
|
|
#include <linux/netfilter/xt_MARK.h>
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_AUTHOR("Marc Boucher <marc@mbsi.ca>");
|
|
MODULE_DESCRIPTION("Xtables: packet mark modification");
|
|
MODULE_ALIAS("ipt_MARK");
|
|
MODULE_ALIAS("ip6t_MARK");
|
|
|
|
static unsigned int
|
|
mark_tg(struct sk_buff *skb, const struct xt_target_param *par)
|
|
{
|
|
const struct xt_mark_tginfo2 *info = par->targinfo;
|
|
|
|
skb->mark = (skb->mark & ~info->mask) ^ info->mark;
|
|
return XT_CONTINUE;
|
|
}
|
|
|
|
static struct xt_target mark_tg_reg __read_mostly = {
|
|
.name = "MARK",
|
|
.revision = 2,
|
|
.family = NFPROTO_UNSPEC,
|
|
.target = mark_tg,
|
|
.targetsize = sizeof(struct xt_mark_tginfo2),
|
|
.me = THIS_MODULE,
|
|
};
|
|
|
|
static int __init mark_tg_init(void)
|
|
{
|
|
return xt_register_target(&mark_tg_reg);
|
|
}
|
|
|
|
static void __exit mark_tg_exit(void)
|
|
{
|
|
xt_unregister_target(&mark_tg_reg);
|
|
}
|
|
|
|
module_init(mark_tg_init);
|
|
module_exit(mark_tg_exit);
|