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Date:	Sun, 2 Feb 2014 18:10:18 +0200
From:	Amir Vadai <>
To:	Venkata Duvvuru <VenkatKumar.Duvvuru@...lex.Com>
Cc:	"" <>,
	Ben Hutchings <>
Subject: Re: Patchset - Support for configurable RSS hash key

On 17/01/14 13:02 +0000, Venkata Duvvuru wrote:
> NIC drivers that support RSS use either a hard-coded value or a random value for the RSS hash key. Irrespective of the type of the key used, the user would want to change the hash key if he/she is not satisfied with the effectiveness of the default hash-key in spreading the incoming flows evenly across the RSS queues.
> This patch set provides support for configuring the RSS hash-key via the ethtool interface.
> The patch set consists of:
> a) ethtool user-land patches
> b) ethtool kernel patch
> c) be2net patch that implements the ethtool hooks


I would be happy to add support in setting the hash function in
addition to the hash key.

Mellanox NIC's have support in 2 hash functions: Toplitz and XOR.

Let me if you can add it to your patchset or would like me to send a
patch on top of yours to add it.

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