2 * Copyright (c) 2006 Patrick McHardy <kaber@trash.net>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
9 #include <linux/module.h>
10 #include <linux/init.h>
11 #include <linux/skbuff.h>
13 #include <linux/netfilter/x_tables.h>
14 #include <linux/netfilter/xt_NFLOG.h>
16 MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
17 MODULE_DESCRIPTION("x_tables NFLOG target");
18 MODULE_LICENSE("GPL");
19 MODULE_ALIAS("ipt_NFLOG");
20 MODULE_ALIAS("ip6t_NFLOG");
23 nflog_tg(struct sk_buff *skb, const struct net_device *in,
24 const struct net_device *out, unsigned int hooknum,
25 const struct xt_target *target, const void *targinfo)
27 const struct xt_nflog_info *info = targinfo;
30 li.type = NF_LOG_TYPE_ULOG;
31 li.u.ulog.copy_len = info->len;
32 li.u.ulog.group = info->group;
33 li.u.ulog.qthreshold = info->threshold;
35 nf_log_packet(target->family, hooknum, skb, in, out, &li,
41 nflog_tg_check(const char *tablename, const void *entry,
42 const struct xt_target *target, void *targetinfo,
43 unsigned int hookmask)
45 const struct xt_nflog_info *info = targetinfo;
47 if (info->flags & ~XT_NFLOG_MASK)
49 if (info->prefix[sizeof(info->prefix) - 1] != '\0')
54 static struct xt_target nflog_tg_reg[] __read_mostly = {
58 .checkentry = nflog_tg_check,
60 .targetsize = sizeof(struct xt_nflog_info),
66 .checkentry = nflog_tg_check,
68 .targetsize = sizeof(struct xt_nflog_info),
73 static int __init nflog_tg_init(void)
75 return xt_register_targets(nflog_tg_reg, ARRAY_SIZE(nflog_tg_reg));
78 static void __exit nflog_tg_exit(void)
80 xt_unregister_targets(nflog_tg_reg, ARRAY_SIZE(nflog_tg_reg));
83 module_init(nflog_tg_init);
84 module_exit(nflog_tg_exit);