diff options
| author |   markus <markus@openbsd.org> | 2005-04-05 20:27:35 +0000 |
|---|---|---|
| committer | markus <markus@openbsd.org> | 2005-04-05 20:27:35 +0000 |
| commit | 1073807fc07353cc50c682a4bfa533b418565b95 (patch) | |
| tree | e976923b56a6ba1bdb98254d54ebedf7b3bc0b8f /sys/netinet/tcp_output.c | |
| parent | fix output from remaining passthrough functions (diff) | |
| download | wireguard-openbsd-1073807fc07353cc50c682a4bfa533b418565b95.tar.xz wireguard-openbsd-1073807fc07353cc50c682a4bfa533b418565b95.zip | |
add tcp sack stats, similar to freebsd; ok deraadt
Diffstat (limited to 'sys/netinet/tcp_output.c')
| -rw-r--r-- | sys/netinet/tcp_output.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/netinet/tcp_output.c b/sys/netinet/tcp_output.c index 97d3d1f5929..36aa624d0ba 100644 --- a/sys/netinet/tcp_output.c +++ b/sys/netinet/tcp_output.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tcp_output.c,v 1.75 2005/02/27 13:22:56 markus Exp $ */ +/* $OpenBSD: tcp_output.c,v 1.76 2005/04/05 20:27:35 markus Exp $ */ /* $NetBSD: tcp_output.c,v 1.16 1997/06/03 16:17:09 kml Exp $ */ /* @@ -640,6 +640,7 @@ send: int count = 0; /* actual number of SACKs inserted */ int maxsack = (MAX_TCPOPTLEN - (optlen + 4))/TCPOLEN_SACK; + tcpstat.tcps_sack_snd_opts++; maxsack = min(maxsack, TCP_MAX_SACK); for (i = 0; (i < tp->rcv_numsacks && count < maxsack); i++) { struct sackblk sack = tp->sackblks[i]; @@ -817,6 +818,8 @@ send: #if defined(TCP_SACK) && defined(TCP_FACK) tp->retran_data += len; #endif /* TCP_FACK */ + tcpstat.tcps_sack_rexmits++; + tcpstat.tcps_sack_rexmit_bytes += len; } #endif /* TCP_SACK */ |