1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * This is a module which is used for setting the skb->priority field
 4 * of an skb for qdisc classification.
 5 */
 6
 7/* (C) 2001-2002 Patrick McHardy <kaber@trash.net>
 
 
 
 
 8 */
 9
10#include <linux/module.h>
11#include <linux/skbuff.h>
12#include <linux/ip.h>
13#include <net/checksum.h>
14
15#include <linux/netfilter_ipv4.h>
16#include <linux/netfilter_ipv6.h>
17#include <linux/netfilter/x_tables.h>
18#include <linux/netfilter/xt_CLASSIFY.h>
19#include <linux/netfilter_arp.h>
20
21MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
22MODULE_LICENSE("GPL");
23MODULE_DESCRIPTION("Xtables: Qdisc classification");
24MODULE_ALIAS("ipt_CLASSIFY");
25MODULE_ALIAS("ip6t_CLASSIFY");
26MODULE_ALIAS("arpt_CLASSIFY");
27
28static unsigned int
29classify_tg(struct sk_buff *skb, const struct xt_action_param *par)
30{
31	const struct xt_classify_target_info *clinfo = par->targinfo;
32
33	skb->priority = clinfo->priority;
34	return XT_CONTINUE;
35}
36
37static struct xt_target classify_tg_reg[] __read_mostly = {
38	{
39		.name       = "CLASSIFY",
40		.revision   = 0,
41		.family     = NFPROTO_UNSPEC,
42		.hooks      = (1 << NF_INET_LOCAL_OUT) | (1 << NF_INET_FORWARD) |
43		              (1 << NF_INET_POST_ROUTING),
44		.target     = classify_tg,
45		.targetsize = sizeof(struct xt_classify_target_info),
46		.me         = THIS_MODULE,
47	},
48	{
49		.name       = "CLASSIFY",
50		.revision   = 0,
51		.family     = NFPROTO_ARP,
52		.hooks      = (1 << NF_ARP_OUT) | (1 << NF_ARP_FORWARD),
53		.target     = classify_tg,
54		.targetsize = sizeof(struct xt_classify_target_info),
55		.me         = THIS_MODULE,
56	},
57};
58
59static int __init classify_tg_init(void)
60{
61	return xt_register_targets(classify_tg_reg, ARRAY_SIZE(classify_tg_reg));
62}
63
64static void __exit classify_tg_exit(void)
65{
66	xt_unregister_targets(classify_tg_reg, ARRAY_SIZE(classify_tg_reg));
67}
68
69module_init(classify_tg_init);
70module_exit(classify_tg_exit);

 
 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#include <linux/netfilter_arp.h>
23
24MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
25MODULE_LICENSE("GPL");
26MODULE_DESCRIPTION("Xtables: Qdisc classification");
27MODULE_ALIAS("ipt_CLASSIFY");
28MODULE_ALIAS("ip6t_CLASSIFY");
29MODULE_ALIAS("arpt_CLASSIFY");
30
31static unsigned int
32classify_tg(struct sk_buff *skb, const struct xt_action_param *par)
33{
34	const struct xt_classify_target_info *clinfo = par->targinfo;
35
36	skb->priority = clinfo->priority;
37	return XT_CONTINUE;
38}
39
40static struct xt_target classify_tg_reg[] __read_mostly = {
41	{
42		.name       = "CLASSIFY",
43		.revision   = 0,
44		.family     = NFPROTO_UNSPEC,
45		.hooks      = (1 << NF_INET_LOCAL_OUT) | (1 << NF_INET_FORWARD) |
46		              (1 << NF_INET_POST_ROUTING),
47		.target     = classify_tg,
48		.targetsize = sizeof(struct xt_classify_target_info),
49		.me         = THIS_MODULE,
50	},
51	{
52		.name       = "CLASSIFY",
53		.revision   = 0,
54		.family     = NFPROTO_ARP,
55		.hooks      = (1 << NF_ARP_OUT) | (1 << NF_ARP_FORWARD),
56		.target     = classify_tg,
57		.targetsize = sizeof(struct xt_classify_target_info),
58		.me         = THIS_MODULE,
59	},
60};
61
62static int __init classify_tg_init(void)
63{
64	return xt_register_targets(classify_tg_reg, ARRAY_SIZE(classify_tg_reg));
65}
66
67static void __exit classify_tg_exit(void)
68{
69	xt_unregister_targets(classify_tg_reg, ARRAY_SIZE(classify_tg_reg));
70}
71
72module_init(classify_tg_init);
73module_exit(classify_tg_exit);