linux-kernel - Re: RFC: issues concerning the next NAPI interface

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Date:	Wed, 29 Aug 2007 01:29:16 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	ossthema@...ibm.com
Cc:	jchapman@...alix.com, shemminger@...ux-foundation.org,
	akepner@....com, netdev@...r.kernel.org, raisch@...ibm.com,
	themann@...ibm.com, linux-kernel@...r.kernel.org,
	linuxppc-dev@...abs.org, meder@...ibm.com, tklein@...ibm.com,
	stefan.roscher@...ibm.com
Subject: Re: RFC: issues concerning the next NAPI interface

From: Jan-Bernd Themann <ossthema@...ibm.com>
Date: Wed, 29 Aug 2007 09:10:15 +0200

> In the end I want to reduce the CPU utilization. And one way
> to do that is LRO which also works only well if there are more
> then just a very few packets to aggregate. So at least our
> driver (eHEA) would benefit from a mix of timer based polling
> and plain NAPI (depending on load situations).
> 
> If there is no need for a generic mechanism for this kind of
> network adapters, then we can just leave this to each device
> driver.

No objections from me either way, if something works then
fine.

Let's come back to this once you have a tested sample implementation
that does what you want, ok?
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