From 9549faae95c3710582240829593ab59ddee2bf06 Mon Sep 17 00:00:00 2001
From: Eric Leblond <eric@regit.org>
Date: Fri, 28 Oct 2011 17:43:00 +0200
Subject: [PATCH] af-packet: add kernel statistics to exit stats.

This patch should fix #325.
---
 src/source-af-packet.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/source-af-packet.c b/src/source-af-packet.c
index 2bf79bb0c0..501751a936 100644
--- a/src/source-af-packet.c
+++ b/src/source-af-packet.c
@@ -627,6 +627,19 @@ TmEcode ReceiveAFPThreadInit(ThreadVars *tv, void *initdata, void **data) {
 void ReceiveAFPThreadExitStats(ThreadVars *tv, void *data) {
     SCEnter();
     AFPThreadVars *ptv = (AFPThreadVars *)data;
+#ifdef PACKET_STATISTICS
+    struct tpacket_stats kstats;
+    socklen_t len = sizeof (struct tpacket_stats);
+#endif
+
+#ifdef PACKET_STATISTICS
+    if (getsockopt(ptv->socket, SOL_PACKET, PACKET_STATISTICS,
+                &kstats, &len) > -1) {
+        SCLogInfo("(%s) Kernel: Packets %" PRIu32 ", dropped %" PRIu32 "",
+                tv->name,
+                kstats.tp_packets, kstats.tp_drops);
+    }
+#endif
 
     SCLogInfo("(%s) Packets %" PRIu32 ", bytes %" PRIu64 "", tv->name, ptv->pkts, ptv->bytes);
 }