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("Xtables: No-op match which can be tagged with a comment");
14 MODULE_LICENSE("GPL");
15 MODULE_ALIAS("ipt_comment");
16 MODULE_ALIAS("ip6t_comment");
19 comment_mt(const struct sk_buff *skb, const struct net_device *in,
20 const struct net_device *out, const struct xt_match *match,
21 const void *matchinfo, int offset, unsigned int protooff,
28 static struct xt_match comment_mt_reg[] __read_mostly = {
33 .matchsize = sizeof(struct xt_comment_info),
40 .matchsize = sizeof(struct xt_comment_info),
45 static int __init comment_mt_init(void)
47 return xt_register_matches(comment_mt_reg, ARRAY_SIZE(comment_mt_reg));
50 static void __exit comment_mt_exit(void)
52 xt_unregister_matches(comment_mt_reg, ARRAY_SIZE(comment_mt_reg));
55 module_init(comment_mt_init);
56 module_exit(comment_mt_exit);