netdev - Re: small RPS cache for fragments?

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Message-Id: <20110517.164929.1737248436066795381.davem@davemloft.net>
Date:	Tue, 17 May 2011 16:49:29 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	therbert@...gle.com
Cc:	netdev@...r.kernel.org
Subject: Re: small RPS cache for fragments?

From: Tom Herbert <therbert@...gle.com>
Date: Tue, 17 May 2011 13:02:25 -0700

> I like it!  And this sounds like the sort of algorithm that NICs might
> be able to implement to solve the UDP/RSS unpleasantness, so even
> better.

Actually, I think it won't work.  Even Linux emits fragments last to
first, so we won't see the UDP header until the last packet where it's
no longer useful.

Back to the drawing board. :-/
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