1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * Implements a dummy match to allow attaching comments to rules
 4 *
 5 * 2003-05-13 Brad Fisher (brad@info-link.net)
 6 */
 7
 8#include <linux/module.h>
 9#include <linux/skbuff.h>
10#include <linux/netfilter/x_tables.h>
11#include <linux/netfilter/xt_comment.h>
12
13MODULE_AUTHOR("Brad Fisher <brad@info-link.net>");
14MODULE_DESCRIPTION("Xtables: No-op match which can be tagged with a comment");
15MODULE_LICENSE("GPL");
16MODULE_ALIAS("ipt_comment");
17MODULE_ALIAS("ip6t_comment");
18
19static bool
20comment_mt(const struct sk_buff *skb, struct xt_action_param *par)
21{
22	/* We always match */
23	return true;
24}
25
26static struct xt_match comment_mt_reg __read_mostly = {
27	.name      = "comment",
28	.revision  = 0,
29	.family    = NFPROTO_UNSPEC,
30	.match     = comment_mt,
31	.matchsize = sizeof(struct xt_comment_info),
32	.me        = THIS_MODULE,
33};
34
35static int __init comment_mt_init(void)
36{
37	return xt_register_match(&comment_mt_reg);
38}
39
40static void __exit comment_mt_exit(void)
41{
42	xt_unregister_match(&comment_mt_reg);
43}
44
45module_init(comment_mt_init);
46module_exit(comment_mt_exit);

 
 1/*
 2 * Implements a dummy match to allow attaching comments to rules
 3 *
 4 * 2003-05-13 Brad Fisher (brad@info-link.net)
 5 */
 6
 7#include <linux/module.h>
 8#include <linux/skbuff.h>
 9#include <linux/netfilter/x_tables.h>
10#include <linux/netfilter/xt_comment.h>
11
12MODULE_AUTHOR("Brad Fisher <brad@info-link.net>");
13MODULE_DESCRIPTION("Xtables: No-op match which can be tagged with a comment");
14MODULE_LICENSE("GPL");
15MODULE_ALIAS("ipt_comment");
16MODULE_ALIAS("ip6t_comment");
17
18static bool
19comment_mt(const struct sk_buff *skb, struct xt_action_param *par)
20{
21	/* We always match */
22	return true;
23}
24
25static struct xt_match comment_mt_reg __read_mostly = {
26	.name      = "comment",
27	.revision  = 0,
28	.family    = NFPROTO_UNSPEC,
29	.match     = comment_mt,
30	.matchsize = sizeof(struct xt_comment_info),
31	.me        = THIS_MODULE,
32};
33
34static int __init comment_mt_init(void)
35{
36	return xt_register_match(&comment_mt_reg);
37}
38
39static void __exit comment_mt_exit(void)
40{
41	xt_unregister_match(&comment_mt_reg);
42}
43
44module_init(comment_mt_init);
45module_exit(comment_mt_exit);