lkml.org 
[lkml]   [2000]   [Oct]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Window Scale Option broken in 2.2.x
On Fri, Oct 06, 2000 at 07:56:15PM -0400, Lawrence MacIntyre wrote:
> Hi:
>
> The window scale option doesn't appear to work in 2.2.16, 2.2.17, and
> 2.2.18. I've got an old 2.2.5 machine and it doesn't work either. Is
> this supposed to work? There is code in the kernel to do the window
> scale option, but it always sends a 0 value. It does, however, work
> correctly in 2.4.0-test9-pre9. I have tested it using ttcp -r -s
> -b131072 (the -b flag does a setsockopt to increase the receive buffer,
> and therefore the window size).
>
> p.s. Yes, /proc/sys/net/ipv4/tcp_window_scaling is 1

Userspace programs do need to suggest to the kernel that they want a larger
window - this is documented somewhere.

--
PowerDNS Versatile DNS Services
Trilab The Technology People
'SYN! .. SYN|ACK! .. ACK!' - the mating call of the internet

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 12:39    [W:0.063 / U:0.528 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site