netdev - Re: [PATCH] NET: Multiqueue network device support.

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Message-ID: <466F17B7.2020600@garzik.org>
Date:	Tue, 12 Jun 2007 18:01:27 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	David Miller <davem@...emloft.net>
CC:	greearb@...delatech.com, netdev@...r.kernel.org, kaber@...sh.net,
	hadi@...erus.ca, peter.p.waskiewicz.jr@...el.com,
	auke-jan.h.kok@...el.com
Subject: Re: [PATCH] NET: Multiqueue network device support.

David Miller wrote:
> From: Jeff Garzik <jeff@...zik.org>
> Date: Tue, 12 Jun 2007 17:46:20 -0400
> 
>> Not quite...  You'll have to deal with multiple Rx filters, not just the 
>> current one-filter-for-all model present in today's NICs.  Pools of 
>> queues will have separate configured characteristics.  The "steer" 
>> portion you mention is a bottleneck that wants to be eliminated.
> 
> It runs in hardware at wire speed, what's the issue? :-)

Configuration is the issue.

Where shall we put the configuration machinery, to support sub-queues?
Shall we duplicate the existing configuration code for sub-queues?
What will ifconfig/ip usage look like?
How will it differ from configuring full net_devices, if you are 
assigning the same types of parameters?  Why?

	Jeff


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