tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * This is a module which is used for setting the skb->priority field
3 * of an skb for qdisc classification.
4 */
5
6/* (C) 2001-2002 Patrick McHardy <kaber@trash.net>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13#include <linux/module.h>
14#include <linux/skbuff.h>
15#include <linux/ip.h>
16#include <net/checksum.h>
17
18#include <linux/netfilter_ipv4.h>
19#include <linux/netfilter_ipv6.h>
20#include <linux/netfilter/x_tables.h>
21#include <linux/netfilter/xt_CLASSIFY.h>
22
23MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
24MODULE_LICENSE("GPL");
25MODULE_DESCRIPTION("Xtables: Qdisc classification");
26MODULE_ALIAS("ipt_CLASSIFY");
27MODULE_ALIAS("ip6t_CLASSIFY");
28
29static unsigned int
30classify_tg(struct sk_buff *skb, const struct xt_target_param *par)
31{
32 const struct xt_classify_target_info *clinfo = par->targinfo;
33
34 skb->priority = clinfo->priority;
35 return XT_CONTINUE;
36}
37
38static struct xt_target classify_tg_reg __read_mostly = {
39 .name = "CLASSIFY",
40 .revision = 0,
41 .family = NFPROTO_UNSPEC,
42 .table = "mangle",
43 .hooks = (1 << NF_INET_LOCAL_OUT) | (1 << NF_INET_FORWARD) |
44 (1 << NF_INET_POST_ROUTING),
45 .target = classify_tg,
46 .targetsize = sizeof(struct xt_classify_target_info),
47 .me = THIS_MODULE,
48};
49
50static int __init classify_tg_init(void)
51{
52 return xt_register_target(&classify_tg_reg);
53}
54
55static void __exit classify_tg_exit(void)
56{
57 xt_unregister_target(&classify_tg_reg);
58}
59
60module_init(classify_tg_init);
61module_exit(classify_tg_exit);