diff options
author | guy <guy> | 2001-07-29 01:22:40 +0000 |
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committer | guy <guy> | 2001-07-29 01:22:40 +0000 |
commit | 11c1cf8ee2404e010992586edd4335aec0e5c719 (patch) | |
tree | 9703a57278d0ab5723f2cfc331115dce72e57f0a /pcap-snit.c | |
parent | a891a1d5d0814a9ffa8227bf37b9d2680b30414d (diff) | |
download | libpcap-11c1cf8ee2404e010992586edd4335aec0e5c719.tar.gz |
Add comments to "pcap_stats()" indicating what the counters mean on the
various platforms (assuming the vendors' documentation is correct and
that I've correctly interpreted it).
Diffstat (limited to 'pcap-snit.c')
-rw-r--r-- | pcap-snit.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/pcap-snit.c b/pcap-snit.c index 47818e4f..a44812fe 100644 --- a/pcap-snit.c +++ b/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 1.55 2001-07-29 01:22:42 guy Exp $ (LBL)"; #endif #ifdef HAVE_CONFIG_H @@ -88,6 +88,17 @@ int pcap_stats(pcap_t *p, struct pcap_stat *ps) { + /* + * "ps_recv" counts packets handed to the filter, not packets + * that passed the filter. + * + * "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. + */ *ps = p->md.stat; return (0); } |