Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Patrick McHardy | 891350c | 2007-02-12 11:14:43 -0800 | [diff] [blame] | 18 | #include <linux/netfilter_ipv4.h> |
| 19 | #include <linux/netfilter_ipv6.h> |
Harald Welte | 2e4e6a1 | 2006-01-12 13:30:04 -0800 | [diff] [blame] | 20 | #include <linux/netfilter/x_tables.h> |
| 21 | #include <linux/netfilter/xt_CLASSIFY.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | |
| 23 | MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>"); |
| 24 | MODULE_LICENSE("GPL"); |
Jan Engelhardt | 2ae15b6 | 2008-01-14 23:42:28 -0800 | [diff] [blame] | 25 | MODULE_DESCRIPTION("Xtables: Qdisc classification"); |
Harald Welte | 2e4e6a1 | 2006-01-12 13:30:04 -0800 | [diff] [blame] | 26 | MODULE_ALIAS("ipt_CLASSIFY"); |
Jan Engelhardt | 73aaf93 | 2007-10-11 14:36:40 -0700 | [diff] [blame] | 27 | MODULE_ALIAS("ip6t_CLASSIFY"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | |
| 29 | static unsigned int |
Jan Engelhardt | 4b560b4 | 2009-07-05 19:43:26 +0200 | [diff] [blame] | 30 | classify_tg(struct sk_buff *skb, const struct xt_action_param *par) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | { |
Jan Engelhardt | 7eb3558 | 2008-10-08 11:35:19 +0200 | [diff] [blame] | 32 | const struct xt_classify_target_info *clinfo = par->targinfo; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | |
Herbert Xu | 3db05fea | 2007-10-15 00:53:15 -0700 | [diff] [blame] | 34 | skb->priority = clinfo->priority; |
Harald Welte | 2e4e6a1 | 2006-01-12 13:30:04 -0800 | [diff] [blame] | 35 | return XT_CONTINUE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | } |
| 37 | |
Jan Engelhardt | 55b69e9 | 2008-10-08 11:35:01 +0200 | [diff] [blame] | 38 | static 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, |
Harald Welte | 2e4e6a1 | 2006-01-12 13:30:04 -0800 | [diff] [blame] | 48 | }; |
Harald Welte | 2e4e6a1 | 2006-01-12 13:30:04 -0800 | [diff] [blame] | 49 | |
Jan Engelhardt | d3c5ee6 | 2007-12-04 23:24:03 -0800 | [diff] [blame] | 50 | static int __init classify_tg_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | { |
Jan Engelhardt | 55b69e9 | 2008-10-08 11:35:01 +0200 | [diff] [blame] | 52 | return xt_register_target(&classify_tg_reg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | } |
| 54 | |
Jan Engelhardt | d3c5ee6 | 2007-12-04 23:24:03 -0800 | [diff] [blame] | 55 | static void __exit classify_tg_exit(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | { |
Jan Engelhardt | 55b69e9 | 2008-10-08 11:35:01 +0200 | [diff] [blame] | 57 | xt_unregister_target(&classify_tg_reg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | } |
| 59 | |
Jan Engelhardt | d3c5ee6 | 2007-12-04 23:24:03 -0800 | [diff] [blame] | 60 | module_init(classify_tg_init); |
| 61 | module_exit(classify_tg_exit); |