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authorLinus Torvalds <torvalds@linux-foundation.org>2008-04-18 18:02:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-18 18:02:35 -0700
commit334d094504c2fe1c44211ecb49146ae6bca8c321 (patch)
treed3c0f68e4b9f8e3d2ccc39e7dfe5de0534a5fad9 /net/bridge/netfilter/ebt_nflog.c
parentx86 PAT: fix mmap() of holes (diff)
parent[NET]: Fix and allocate less memory for ->priv'less netdevices (diff)
downloadlinux-dev-334d094504c2fe1c44211ecb49146ae6bca8c321.tar.xz
linux-dev-334d094504c2fe1c44211ecb49146ae6bca8c321.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26: (1090 commits) [NET]: Fix and allocate less memory for ->priv'less netdevices [IPV6]: Fix dangling references on error in fib6_add(). [NETLABEL]: Fix NULL deref in netlbl_unlabel_staticlist_gen() if ifindex not found [PKT_SCHED]: Fix datalen check in tcf_simp_init(). [INET]: Uninline the __inet_inherit_port call. [INET]: Drop the inet_inherit_port() call. SCTP: Initialize partial_bytes_acked to 0, when all of the data is acked. [netdrvr] forcedeth: internal simplifications; changelog removal phylib: factor out get_phy_id from within get_phy_device PHY: add BCM5464 support to broadcom PHY driver cxgb3: Fix __must_check warning with dev_dbg. tc35815: Statistics cleanup natsemi: fix MMIO for PPC 44x platforms [TIPC]: Cleanup of TIPC reference table code [TIPC]: Optimized initialization of TIPC reference table [TIPC]: Remove inlining of reference table locking routines e1000: convert uint16_t style integers to u16 ixgb: convert uint16_t style integers to u16 sb1000.c: make const arrays static sb1000.c: stop inlining largish static functions ...
Diffstat (limited to 'net/bridge/netfilter/ebt_nflog.c')
-rw-r--r--net/bridge/netfilter/ebt_nflog.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/net/bridge/netfilter/ebt_nflog.c b/net/bridge/netfilter/ebt_nflog.c
new file mode 100644
index 000000000000..8e799aa9e560
--- /dev/null
+++ b/net/bridge/netfilter/ebt_nflog.c
@@ -0,0 +1,74 @@
+/*
+ * ebt_nflog
+ *
+ * Author:
+ * Peter Warasin <peter@endian.com>
+ *
+ * February, 2008
+ *
+ * Based on:
+ * xt_NFLOG.c, (C) 2006 by Patrick McHardy <kaber@trash.net>
+ * ebt_ulog.c, (C) 2004 by Bart De Schuymer <bdschuym@pandora.be>
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/netfilter_bridge/ebtables.h>
+#include <linux/netfilter_bridge/ebt_nflog.h>
+#include <net/netfilter/nf_log.h>
+
+static void ebt_nflog(const struct sk_buff *skb,
+ unsigned int hooknr,
+ const struct net_device *in,
+ const struct net_device *out,
+ const void *data, unsigned int datalen)
+{
+ struct ebt_nflog_info *info = (struct ebt_nflog_info *)data;
+ struct nf_loginfo li;
+
+ li.type = NF_LOG_TYPE_ULOG;
+ li.u.ulog.copy_len = info->len;
+ li.u.ulog.group = info->group;
+ li.u.ulog.qthreshold = info->threshold;
+
+ nf_log_packet(PF_BRIDGE, hooknr, skb, in, out, &li, "%s", info->prefix);
+}
+
+static int ebt_nflog_check(const char *tablename,
+ unsigned int hookmask,
+ const struct ebt_entry *e,
+ void *data, unsigned int datalen)
+{
+ struct ebt_nflog_info *info = (struct ebt_nflog_info *)data;
+
+ if (datalen != EBT_ALIGN(sizeof(struct ebt_nflog_info)))
+ return -EINVAL;
+ if (info->flags & ~EBT_NFLOG_MASK)
+ return -EINVAL;
+ info->prefix[EBT_NFLOG_PREFIX_SIZE - 1] = '\0';
+ return 0;
+}
+
+static struct ebt_watcher nflog __read_mostly = {
+ .name = EBT_NFLOG_WATCHER,
+ .watcher = ebt_nflog,
+ .check = ebt_nflog_check,
+ .me = THIS_MODULE,
+};
+
+static int __init ebt_nflog_init(void)
+{
+ return ebt_register_watcher(&nflog);
+}
+
+static void __exit ebt_nflog_fini(void)
+{
+ ebt_unregister_watcher(&nflog);
+}
+
+module_init(ebt_nflog_init);
+module_exit(ebt_nflog_fini);
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Peter Warasin <peter@endian.com>");
+MODULE_DESCRIPTION("ebtables NFLOG netfilter logging module");