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Message-ID: <46C64FD6.6030902@intel.com>
Date: Fri, 17 Aug 2007 18:48:06 -0700
From: "Kok, Auke" <auke-jan.h.kok@...el.com>
To: David Miller <davem@...emloft.net>
CC: auke-jan.h.kok@...el.com, shemminger@...ux-foundation.org,
netdev@...r.kernel.org
Subject: Re: [RFC] restore netdev_priv optimization (planb)
David Miller wrote:
> From: "Kok, Auke" <auke-jan.h.kok@...el.com>
> Date: Fri, 17 Aug 2007 18:21:25 -0700
>
>> this sounds highly optimistic ("64 queues is enough for everyone"?)
>> and probably will be quickly outdated by both hardware and demand...
>
> As such drivers appear in the tree we can adjust the value.
>
> Even the most aggressively multi-queued virtualization and 10GB
> ethernet chips I am aware of, both in production and in development,
> do not exceed this limit.
>
> Since you think this is worth complaining about, you must know of some
> exceptions? :-)
I actually don't, but I assume that demand for queues will quickly increase once
the feature becomes available. e.g. in e1000 hardware (pci-e) we support 2, and
this is really old hardware already (laugh), 82575 has 4.
the ixgbe driver me and Ayyappan posted already supports 64 rx queues and 32 tx...
I can only expect the next generation to take a bigger jump and implement at
least 128 queues... :)
Auke
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