diff options
| author | wollman <wollman@FreeBSD.org> | 1994-10-13 18:36:32 +0000 |
|---|---|---|
| committer | wollman <wollman@FreeBSD.org> | 1994-10-13 18:36:32 +0000 |
| commit | d67ef411795273f6dbc8eb5f92247f47bace1cbb (patch) | |
| tree | 4b7c42a7a7ea0f6496222cd911f062538cabb529 /sys/netinet/tcp_input.c | |
| parent | 3ef70ee2aa73c18eeab9693b9224d89272ef544b (diff) | |
| download | FreeBSD-src-d67ef411795273f6dbc8eb5f92247f47bace1cbb.zip FreeBSD-src-d67ef411795273f6dbc8eb5f92247f47bace1cbb.tar.gz | |
As suggested by Sally Floyd, don't add the ``small fraction of the window
size'' when doing congestion avoidance.
Submitted by: Mark Andrews
Diffstat (limited to 'sys/netinet/tcp_input.c')
| -rw-r--r-- | sys/netinet/tcp_input.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c index b522006..961e02a 100644 --- a/sys/netinet/tcp_input.c +++ b/sys/netinet/tcp_input.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)tcp_input.c 8.5 (Berkeley) 4/10/94 - * $Id: tcp_input.c,v 1.8 1994/09/15 10:36:54 davidg Exp $ + * $Id: tcp_input.c,v 1.9 1994/10/02 17:48:43 phk Exp $ */ #ifndef TUBA_INCLUDE @@ -1033,16 +1033,14 @@ trimthenstep6: * If the window gives us less than ssthresh packets * in flight, open exponentially (maxseg per packet). * Otherwise open linearly: maxseg per window - * (maxseg^2 / cwnd per packet), plus a constant - * fraction of a packet (maxseg/8) to help larger windows - * open quickly enough. + * (maxseg^2 / cwnd per packet). */ { register u_int cw = tp->snd_cwnd; register u_int incr = tp->t_maxseg; if (cw > tp->snd_ssthresh) - incr = incr * incr / cw + incr / 8; + incr = incr * incr / cw; tp->snd_cwnd = min(cw + incr, TCP_MAXWIN<<tp->snd_scale); } if (acked > so->so_snd.sb_cc) { |
