Commit | Line | Data |
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1da177e4 LT |
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 | ||
891350c9 PM |
18 | #include <linux/netfilter_ipv4.h> |
19 | #include <linux/netfilter_ipv6.h> | |
2e4e6a17 HW |
20 | #include <linux/netfilter/x_tables.h> |
21 | #include <linux/netfilter/xt_CLASSIFY.h> | |
1da177e4 LT |
22 | |
23 | MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>"); | |
24 | MODULE_LICENSE("GPL"); | |
2ae15b64 | 25 | MODULE_DESCRIPTION("Xtables: Qdisc classification"); |
2e4e6a17 | 26 | MODULE_ALIAS("ipt_CLASSIFY"); |
73aaf935 | 27 | MODULE_ALIAS("ip6t_CLASSIFY"); |
1da177e4 LT |
28 | |
29 | static unsigned int | |
d3c5ee6d JE |
30 | classify_tg(struct sk_buff *skb, const struct net_device *in, |
31 | const struct net_device *out, unsigned int hooknum, | |
32 | const struct xt_target *target, const void *targinfo) | |
1da177e4 | 33 | { |
2e4e6a17 | 34 | const struct xt_classify_target_info *clinfo = targinfo; |
1da177e4 | 35 | |
3db05fea | 36 | skb->priority = clinfo->priority; |
2e4e6a17 | 37 | return XT_CONTINUE; |
1da177e4 LT |
38 | } |
39 | ||
d3c5ee6d | 40 | static struct xt_target classify_tg_reg[] __read_mostly = { |
4470bbc7 PM |
41 | { |
42 | .family = AF_INET, | |
43 | .name = "CLASSIFY", | |
d3c5ee6d | 44 | .target = classify_tg, |
4470bbc7 PM |
45 | .targetsize = sizeof(struct xt_classify_target_info), |
46 | .table = "mangle", | |
6e23ae2a PM |
47 | .hooks = (1 << NF_INET_LOCAL_OUT) | |
48 | (1 << NF_INET_FORWARD) | | |
49 | (1 << NF_INET_POST_ROUTING), | |
4470bbc7 PM |
50 | .me = THIS_MODULE, |
51 | }, | |
52 | { | |
53 | .name = "CLASSIFY", | |
54 | .family = AF_INET6, | |
d3c5ee6d | 55 | .target = classify_tg, |
4470bbc7 PM |
56 | .targetsize = sizeof(struct xt_classify_target_info), |
57 | .table = "mangle", | |
6e23ae2a PM |
58 | .hooks = (1 << NF_INET_LOCAL_OUT) | |
59 | (1 << NF_INET_FORWARD) | | |
60 | (1 << NF_INET_POST_ROUTING), | |
4470bbc7 PM |
61 | .me = THIS_MODULE, |
62 | }, | |
2e4e6a17 | 63 | }; |
2e4e6a17 | 64 | |
d3c5ee6d | 65 | static int __init classify_tg_init(void) |
1da177e4 | 66 | { |
d3c5ee6d JE |
67 | return xt_register_targets(classify_tg_reg, |
68 | ARRAY_SIZE(classify_tg_reg)); | |
1da177e4 LT |
69 | } |
70 | ||
d3c5ee6d | 71 | static void __exit classify_tg_exit(void) |
1da177e4 | 72 | { |
d3c5ee6d | 73 | xt_unregister_targets(classify_tg_reg, ARRAY_SIZE(classify_tg_reg)); |
1da177e4 LT |
74 | } |
75 | ||
d3c5ee6d JE |
76 | module_init(classify_tg_init); |
77 | module_exit(classify_tg_exit); |