netdev - Re: [PATCH v7 ethtool 0/2] patchset - Support for configurable RSS hash key

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Message-ID: <53E86A79.8010700@redhat.com>
Date:	Mon, 11 Aug 2014 09:02:17 +0200
From:	Ivan Vecera <ivecera@...hat.com>
To:	"ben@...adent.org.uk" <ben@...adent.org.uk>
CC:	Venkat Duvvuru <VenkatKumar.Duvvuru@...lex.Com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH v7 ethtool 0/2] patchset - Support for configurable RSS
 hash key

On 31.7.2014 09:43, Venkat Duvvuru wrote:
>
>
>> -----Original Message-----
>> From: netdev-owner@...r.kernel.org [mailto:netdev-
>> owner@...r.kernel.org] On Behalf Of Venkat Duvvuru
>> Sent: Tuesday, July 22, 2014 5:51 PM
>> To: ben@...adent.org.uk
>> Cc: netdev@...r.kernel.org; Venkat Duvvuru
>> Subject: [PATCH v7 ethtool 0/2] patchset - Support for configurable RSS hash
>> key
>>
>> 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 adds support for configuring the RSS hash-key via the ethtool
>> interface using -X/-x option.
>>
>> v7:
>> 1. Changed rss string to RSS to be consistent with other parts of the error
>> codes
>>     and documentation.
>> 2. Corrected a few error messages
>> 3. Changed error codes to use either 1 or 2 based on the situation
>> 4. Added test cases in test-cmdline.c
>>
>> Venkat Duvvuru (2):
>>    ethtool: Support for configurable RSS hash key.
>>    ethtool: Support for configurable RSS hash key.
>>
>>   ethtool-copy.h |  478
>> ++++++++++++++++++++++++++++++++++++++++++--------------
>>   ethtool.8.in   |   18 ++-
>>   ethtool.c      |  393 +++++++++++++++++++++++++++++++++++++++--------
>>   test-cmdline.c |   11 ++
>>   4 files changed, 717 insertions(+), 183 deletions(-)
>
> Ben, Please let me know if you have any further comments on this.
>
> /Venkat.
Hi Ben,
any objection?

Ivan

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