netdev - Re: [PATCH v2 0/4] rps: Look into tunnels to get hash

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Message-Id: <20110817.200659.480003313920436612.davem@davemloft.net>
Date:	Wed, 17 Aug 2011 20:06:59 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	therbert@...gle.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH v2 0/4] rps: Look into tunnels to get hash

From: Tom Herbert <therbert@...gle.com>
Date: Sun, 14 Aug 2011 22:44:33 -0700 (PDT)

> In this version fixed calls to sock_rps_save_rxhash in IPv6 with correct
> arguments and addressed comments from Eric Dumazet.
> 
> The patches in this series are to look into encapsulated packets
> to compute the rx hash for RPS.  Before these patches, all packets
> received on the same tunnel would wind up on the same RPS CPU-- this
> can lead to very poor loading, and make RFS ineffective on these
> packets.
> 
> This patch supports getting the rxhash out of a GRE encapsulated packet.

I'm sure we'll have some follow-on tweaks to this, but the basic
infrastructure looks fine to me.

Applied, thanks!
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