netdev - Re: [PATCH 09/10] vmxnet3: use static RSS key

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Message-ID: <1358278736.2865.10.camel@bwh-desktop.uk.solarflarecom.com>
Date:	Tue, 15 Jan 2013 19:38:56 +0000
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Stephen Hemminger <stephen@...workplumber.org>
CC:	David Miller <davem@...emloft.net>,
	Shreyas Bhatewara <sbhatewara@...are.com>,
	<pv-drivers@...are.com>, <netdev@...r.kernel.org>
Subject: Re: [PATCH 09/10] vmxnet3: use static RSS key

On Tue, 2013-01-15 at 09:28 -0800, Stephen Hemminger wrote:
> Rather than generating a different RSS key on each boot, just use
> a predetermined value that will map same flow to same value on
> every device for more predictable testing. This is already done
> on most hardware drivers.
> 
> Initial key value just some arbitrary bits extracted once
> from /dev/random.
> 
> Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>
[...]

I agree with the idea, but shouldn't we have just one copy of this key
that drivers can refer to?

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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