[PATCH 6/6] Netfilter: xt_LOG: Add timestamp support
From: Richard Weinberger
Date: Mon Mar 05 2012 - 18:20:33 EST
Using XT_LOG_ADD_TIMESTAMP it is possible to have a timestamp
directly in the log message.
Signed-off-by: Richard Weinberger <richard@xxxxxx>
---
include/linux/netfilter/xt_LOG.h | 3 ++-
net/netfilter/xt_LOG.c | 8 ++++++++
2 files changed, 10 insertions(+), 1 deletions(-)
diff --git a/include/linux/netfilter/xt_LOG.h b/include/linux/netfilter/xt_LOG.h
index 8ac25e0..9361374 100644
--- a/include/linux/netfilter/xt_LOG.h
+++ b/include/linux/netfilter/xt_LOG.h
@@ -8,7 +8,8 @@
#define XT_LOG_UID 0x08 /* Log UID owning local socket */
#define XT_LOG_NFLOG 0x10 /* Unsupported, don't reuse */
#define XT_LOG_MACDECODE 0x20 /* Decode MAC header */
-#define XT_LOG_MASK 0x2f
+#define XT_LOG_ADD_TIMESTAMP 0x40 /* Add a timestamp */
+#define XT_LOG_MASK 0x6f
struct xt_log_info {
unsigned char level;
diff --git a/net/netfilter/xt_LOG.c b/net/netfilter/xt_LOG.c
index f75f2d7..23db206 100644
--- a/net/netfilter/xt_LOG.c
+++ b/net/netfilter/xt_LOG.c
@@ -499,6 +499,14 @@ log_packet_common(struct sbuff *m,
if (loginfo->type == NF_LOG_TYPE_LOG)
sb_add(m, "<%d>", loginfo->u.log.level);
+ if (loginfo->u.log.logflags & XT_LOG_ADD_TIMESTAMP) {
+ struct timespec tv;
+
+ getnstimeofday(&tv);
+ sb_add(m, "TIMESTAMP=%li.%03u ", tv.tv_sec,
+ (unsigned int)tv.tv_nsec / NSEC_PER_MSEC);
+ }
+
sb_add(m, "%sIN=%s OUT=%s ", prefix, in ? in->name : "",
out ? out->name : "");
#ifdef CONFIG_BRIDGE_NETFILTER
--
1.7.7.3
--
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