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_action_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); 62