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