5 * Peter Warasin <peter@endian.com>
10 * xt_NFLOG.c, (C) 2006 by Patrick McHardy <kaber@trash.net>
11 * ebt_ulog.c, (C) 2004 by Bart De Schuymer <bdschuym@pandora.be>
15 #include <linux/module.h>
16 #include <linux/spinlock.h>
17 #include <linux/netfilter/x_tables.h>
18 #include <linux/netfilter_bridge/ebtables.h>
19 #include <linux/netfilter_bridge/ebt_nflog.h>
20 #include <net/netfilter/nf_log.h>
23 ebt_nflog_tg(struct sk_buff *skb, const struct net_device *in,
24 const struct net_device *out, unsigned int hooknr,
25 const struct xt_target *target, const void *data)
27 struct ebt_nflog_info *info = (struct ebt_nflog_info *)data;
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(PF_BRIDGE, hooknr, skb, in, out, &li, "%s", info->prefix);
40 ebt_nflog_tg_check(const char *table, const void *e,
41 const struct xt_target *target, void *data,
42 unsigned int hookmask)
44 struct ebt_nflog_info *info = (struct ebt_nflog_info *)data;
46 if (info->flags & ~EBT_NFLOG_MASK)
48 info->prefix[EBT_NFLOG_PREFIX_SIZE - 1] = '\0';
52 static struct ebt_watcher nflog __read_mostly = {
53 .name = EBT_NFLOG_WATCHER,
55 .family = NFPROTO_BRIDGE,
56 .target = ebt_nflog_tg,
57 .checkentry = ebt_nflog_tg_check,
58 .targetsize = XT_ALIGN(sizeof(struct ebt_nflog_info)),
62 static int __init ebt_nflog_init(void)
64 return ebt_register_watcher(&nflog);
67 static void __exit ebt_nflog_fini(void)
69 ebt_unregister_watcher(&nflog);
72 module_init(ebt_nflog_init);
73 module_exit(ebt_nflog_fini);
74 MODULE_LICENSE("GPL");
75 MODULE_AUTHOR("Peter Warasin <peter@endian.com>");
76 MODULE_DESCRIPTION("ebtables NFLOG netfilter logging module");