2 * Implements a dummy match to allow attaching comments to rules
4 * 2003-05-13 Brad Fisher (brad@info-link.net)
7 #include <linux/module.h>
8 #include <linux/skbuff.h>
9 #include <linux/netfilter/x_tables.h>
10 #include <linux/netfilter/xt_comment.h>
12 MODULE_AUTHOR("Brad Fisher <brad@info-link.net>");
13 MODULE_DESCRIPTION("iptables comment match module");
14 MODULE_LICENSE("GPL");
15 MODULE_ALIAS("ipt_comment");
16 MODULE_ALIAS("ip6t_comment");
19 match(const struct sk_buff *skb,
20 const struct net_device *in,
21 const struct net_device *out,
22 const void *matchinfo,
24 unsigned int protooff,
31 static struct xt_match comment_match = {
34 .matchsize = sizeof(struct xt_comment_info),
38 static struct xt_match comment6_match = {
41 .matchsize = sizeof(struct xt_comment_info),
45 static int __init init(void)
49 ret = xt_register_match(AF_INET, &comment_match);
53 ret = xt_register_match(AF_INET6, &comment6_match);
55 xt_unregister_match(AF_INET, &comment_match);
60 static void __exit fini(void)
62 xt_unregister_match(AF_INET, &comment_match);
63 xt_unregister_match(AF_INET6, &comment6_match);