From efc02fd2e3734a7bdca3955854fa27419449d9cc Mon Sep 17 00:00:00 2001
From: guy <guy>
Date: Mon, 10 Dec 2001 07:14:14 +0000
Subject: Put more information into the comments for "pcap_stats()".

---
 pcap-nit.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'pcap-nit.c')

diff --git a/pcap-nit.c b/pcap-nit.c
index 44fce5e..5b91314 100644
--- a/pcap-nit.c
+++ b/pcap-nit.c
@@ -20,7 +20,7 @@
  */
 #ifndef lint
 static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/libpcap/pcap-nit.c,v 1.40 2001-07-29 01:22:41 guy Exp $ (LBL)";
+    "@(#) $Header: /tcpdump/master/libpcap/pcap-nit.c,v 1.41 2001-12-10 07:14:18 guy Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -77,13 +77,19 @@ pcap_stats(pcap_t *p, struct pcap_stat *ps)
 
 	/*
 	 * "ps_recv" counts packets handed to the filter, not packets
-	 * that passed the filter.
+	 * that passed the filter.  As filtering is done in userland,
+	 * this does not include packets dropped because we ran out
+	 * of buffer space.
 	 *
 	 * "ps_drop" presumably counts packets dropped by the socket
 	 * because of flow control requirements or resource exhaustion;
 	 * it doesn't count packets dropped by the interface driver.
 	 * As filtering is done in userland, it counts packets regardless
 	 * of whether they would've passed the filter.
+	 *
+	 * These statistics don't include packets not yet read from the
+	 * kernel by libpcap or packets not yet read from libpcap by the
+	 * application.
 	 */
 	*ps = p->md.stat;
 	return (0);
-- 
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