On Thu, 31 Jan 2008 13:46:32 +0100 Andi Kleen <[EMAIL PROTECTED]> wrote:
> > TSO interacts badly with many queueing disciplines because they rely on > reordering packets from different streams and the large TSO packets can > make this difficult. This patch disables TSO for sockets that send over > devices with non standard queueing disciplines. That's anything but noop > or pfifo_fast and pfifo right now. > > Longer term other queueing disciplines could be checked if they > are also ok with TSO. If yes they can set the TCQ_F_GSO_OK flag too. > > It is still enabled for the standard pfifo_fast because that will never > reorder packets with the same type-of-service. This means 99+% of all users > will still be able to use TSO just fine. > > The status is only set up at socket creation so a shifted route > will not reenable TSO on a existing socket. I don't think that's a > problem though. > > Signed-off-by: Andi Kleen <[EMAIL PROTECTED]> > Fix the broken qdisc instead. -- Stephen Hemminger <[EMAIL PROTECTED]> -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
