linux-kernel - Re: [RFC PATCH 3/5] ixgbe: Add support for ndo_ll

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Message-ID: <1362504520.2791.46.camel@bwh-desktop.uk.solarflarecom.com>
Date:	Tue, 5 Mar 2013 17:28:40 +0000
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Eliezer Tamir <eliezer.tamir@...ux.jf.intel.com>
CC:	<linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
	Dave Miller <davem@...emloft.net>,
	Jesse Brandeburg <jesse.brandeburg@...el.com>,
	<e1000-devel@...ts.sourceforge.net>,
	Willem de Bruijn <willemb@...gle.com>,
	Andi Kleen <andi@...stfloor.org>, HPA <hpa@...or.com>,
	Eliezer Tamir <eliezer@...ir.org.il>
Subject: Re: [RFC PATCH 3/5] ixgbe: Add support for ndo_ll_poll

On Tue, 2013-03-05 at 17:26 +0000, Ben Hutchings wrote:
> On Wed, 2013-02-27 at 09:56 -0800, Eliezer Tamir wrote:
> > Add the ixgbe driver code implementing ndo_ll_poll.
> > It should be easy for other drivers to do something similar
> > in order to enable support for CONFIG_INET_LL_RX_POLL
> 
> Yes... in fact I wonder whether the lock and state couldn't be added to
> napi_struct instead of being driver-specific.
[...]

That would potentially allow GRO to detect that it's being called in
low-latency context...

Ben.

-- 
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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