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// SPDX-License-Identifier: GPL-2.0-only
/*
* This is a module which is used for setting the skb->priority field
* of an skb for qdisc classification.
*/
/* (C) 2001-2002 Patrick McHardy <kaber@trash.net>
*/
#include <linux/module.h>
#include <linux/skbuff.h>
#include <linux/ip.h>
#include <net/checksum.h>
#include <linux/netfilter_ipv4.h>
#include <linux/netfilter_ipv6.h>
#include <linux/netfilter/x_tables.h>
#include <linux/netfilter/xt_CLASSIFY.h>
#include <linux/netfilter_arp.h>
MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Xtables: Qdisc classification");
MODULE_ALIAS("ipt_CLASSIFY");
MODULE_ALIAS("ip6t_CLASSIFY");
MODULE_ALIAS("arpt_CLASSIFY");
static unsigned int
classify_tg(struct sk_buff *skb, const struct xt_action_param *par)
{
const struct xt_classify_target_info *clinfo = par->targinfo;
skb->priority = clinfo->priority;
return XT_CONTINUE;
}
static struct xt_target classify_tg_reg[] __read_mostly = {
{
.name = "CLASSIFY",
.revision = 0,
.family = NFPROTO_UNSPEC,
.hooks = (1 << NF_INET_LOCAL_OUT) | (1 << NF_INET_FORWARD) |
(1 << NF_INET_POST_ROUTING),
.target = classify_tg,
.targetsize = sizeof(struct xt_classify_target_info),
.me = THIS_MODULE,
},
{
.name = "CLASSIFY",
.revision = 0,
.family = NFPROTO_ARP,
.hooks = (1 << NF_ARP_OUT) | (1 << NF_ARP_FORWARD),
.target = classify_tg,
.targetsize = sizeof(struct xt_classify_target_info),
.me = THIS_MODULE,
},
};
static int __init classify_tg_init(void)
{
return xt_register_targets(classify_tg_reg, ARRAY_SIZE(classify_tg_reg));
}
static void __exit classify_tg_exit(void)
{
xt_unregister_targets(classify_tg_reg, ARRAY_SIZE(classify_tg_reg));
}
module_init(classify_tg_init);
module_exit(classify_tg_exit);
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