netdev - Re: [PATCH net-next V1 0/3] net/mlx4_core: Allow setting init-time device specific parameters

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Message-Id: <20150312.140505.1685428263314887570.davem@davemloft.net>
Date:	Thu, 12 Mar 2015 14:05:05 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	hadarh@....mellanox.co.il
Cc:	gregkh@...uxfoundation.org, amirv@...lanox.com,
	netdev@...r.kernel.org, hadarh@...lanox.com, yevgenyp@...lanox.com,
	ogerlitz@...lanox.com, talal@...lanox.com,
	shannon.nelson@...el.com, dledford@...hat.com,
	greearb@...delatech.com, gregory.v.rose@...el.com,
	jeffrey.t.kirsher@...el.com, jesse.brandeburg@...el.com,
	john.ronciak@...el.com
Subject: Re: [PATCH net-next V1 0/3] net/mlx4_core: Allow setting init-time
 device specific parameters

From: Hadar Hen Zion <hadarh@....mellanox.co.il>
Date: Thu, 12 Mar 2015 10:07:35 +0200

> On Wed, Mar 11, 2015 at 7:14 PM, David Miller <davem@...emloft.net> wrote:
>>
>> From: Amir Vadai <amirv@...lanox.com>
>> Date: Wed, 11 Mar 2015 11:08:50 +0200
>>
>> > Also, customers are paying for a very sophisticated piece of
>> > hardware, and we would like to enable power user to tweak it in some
>> > situtations. Of course the default mode should be used in 99% of the
>> > use cases.
>>
>> How much money someone pays for your hardware has nothing to do with
>> the standards by which we design userspace interfaces to configure
>> these devices.
>>
>> These textual interfaces are arbitrary, and you are choosing it only
>> because you cannot come up with a more reasonable scheme,
>>
>> I'm not applying these changes.
>> --
> 
> In previous conversations Greg suggested us to use configfs.
> 
> Is this case a misuse of configfs?  maybe configfs should be deprecated... Greg?
> 
> Is a scheme based on netlink will be acceptable by you?

A portable, well typed, interface that other vendors could use if their
hardware had similar features would be acceptable.
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