netdev - Re: using huge numbers of queues

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Message-Id: <20091007.153811.139592035.davem@davemloft.net>
Date:	Wed, 07 Oct 2009 15:38:11 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	andy.grover@...il.com
Cc:	herbert@...dor.apana.org.au, netdev@...r.kernel.org
Subject: Re: using huge numbers of queues

From: Andrew Grover <andy.grover@...il.com>
Date: Wed, 7 Oct 2009 14:59:49 -0700

> At NetConf, you made a passing remark about wanting lots of queues,
> even 1-per-socket. Have you thought further about how we would use so
> many?

Classification.

Lots and lots of virtual queues, which map to a smaller number
of physical queues for delivery.

The virtual queue matched serves as a index and a classification
hint to things like GRO receive, etc.
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