I sent out a new series that also fixes the problem. Here's the
particular patch that corresponds to this one:
http://openvswitch.org/pipermail/dev/2013-September/031937.html
On Wed, Aug 28, 2013 at 09:07:39AM +0300, Dmitry Fleytman wrote:
> Cool! Thanks Ben.
> On Aug 28, 2013, at 09:06 AM, Ben Pfaff <[email protected]> wrote:
>
> > On Wed, Jul 24, 2013 at 04:59:34PM +0300, Dmitry Fleytman wrote:
> >> From: Dmitry Fleytman <[email protected]>
> >>
> >> User mode logic groups incoming packets by flows and then
> >> process flows in arbitrary order based on flow hash keys values.
> >> This behavior may lead to unexpected packets reordering. For example
> >> two packets that belong to the same "logical stream" and differ
> >> by ECN bit only placed to different flows and may be transmitted
> >> in reverse order.
> >>
> >> This patch removes connection between packets classification and
> >> packets transmission order to ensure proper order for outgoing packets.
> >
> > I finally got around to looking this over. Sorry about the delay, we've
> > been rewriting everything.
> >
> > The problem looks real enough to me, the patch is not too bad
> > either--but we've changed all the code that the patch touches almost
> > entirely. I'm going to rework it myself and send it out for review as
> > soon as I can.
> >
> > Thanks,
> >
> > Ben.
>
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