Re: tcp mss MCLBYTES restriction

From: Andrew Gallatin (gallatin_at_cs.duke.edu)
Date: 01/20/04

  • Next message: David Borman: "Re: tcp mss MCLBYTES restriction" 
    Date: Tue, 20 Jan 2004 15:52:27 -0500 (EST)
To: Andre Oppermann <andre@freebsd.org>

    Andre Oppermann writes:
    > When I was implementing the tcp_hostcache I reorganized/redid the
    > tcp_mss() function and wondered about that too. I don't know if
    > this rounding to MCLBYTES is still the right thing to do.

    I have the feeling its something from ancient days on vaxes. ;)

    > > Would it be OK if I made this code optional via a sysctl?
    >
    > Could you run some bechmarks with the current MCLBYTES rounding
    > and without it on 100Mbit 1.5kMTU and GigE with 9k MTU?

    1.5k MTU won't matter -- it doesn't hit the rounding case anyway.
    But I can certainly run some tests with 9k.

    Drew

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  • Next message: David Borman: "Re: tcp mss MCLBYTES restriction"

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