/*
   * 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>
   *
   * 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_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);