Re: Window Scale Option broken in 2.2.x

From: bert hubert (ahu@ds9a.nl)
Date: Fri Oct 06 2000 - 20:53:27 EDT

  • Next message: Andre Hedrick: "Re: Bug in "ide-pci.c""

    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/

    This archive was generated by hypermail 2b29 : Fri Oct 06 2000 - 20:01:26 EDT