diff options
Diffstat (limited to 'contrib/libpcap/pcap-snit.c')
| -rw-r--r-- | contrib/libpcap/pcap-snit.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/contrib/libpcap/pcap-snit.c b/contrib/libpcap/pcap-snit.c index 59cf3ac..d3aaf1d 100644 --- a/contrib/libpcap/pcap-snit.c +++ b/contrib/libpcap/pcap-snit.c @@ -25,7 +25,7 @@ #ifndef lint static const char rcsid[] = - "@(#) $Header: /tcpdump/master/libpcap/pcap-snit.c,v 1.54 2000/10/28 00:01:30 guy Exp $ (LBL)"; + "@(#) $Header: /tcpdump/master/libpcap/pcap-snit.c,v 1.56 2001/12/10 07:14:20 guy Exp $ (LBL)"; #endif #ifdef HAVE_CONFIG_H @@ -88,6 +88,23 @@ int pcap_stats(pcap_t *p, struct pcap_stat *ps) { + /* + * "ps_recv" counts packets handed to the filter, not packets + * 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" counts packets dropped inside the "/dev/nit" + * device because of flow control requirements or resource + * exhaustion; it doesn't count packets dropped by the + * interface driver, or packets dropped upstream. 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); } |
