On Mon, Jul 21, 2008 at 09:08:44AM -0400, jamal wrote:
quoted text
>
> The one thing i am unsure of still:
> I think it would be cleaner to just stop a single queue (instead of all)
> when one hardware queue fills up. i.e if there is no congestion on the
> other hardware queues, packets should continue to be fed to their
> hardware queues and not be buffered at qdisc level.

Right you don't necessarily have to stop all queues but you do
need to direct all packets into the qdisc.

quoted text
> Parallelization would work if you can get X CPUs to send to X hardware
> queues concurently. Feasible in static host setup like virtualization
> environment where you can tie a vm to a cpu. Not very feasible in
> routing where you are driven to a random hardware tx queue by arriving
> packets.

It should work just fine for routing assuming your card does
multi-queue RX.

Cheers,
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