linux-kernel - Re: [PATCH net-next v3 1/7] net: ethtool: pse-pd: Expand C33 PSE status with class, power and extended state

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Date: Fri, 21 Jun 2024 18:29:15 +0200
From: Kory Maincent <kory.maincent@...tlin.com>
To: Oleksij Rempel <o.rempel@...gutronix.de>
Cc: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
 <pabeni@...hat.com>, Donald Hunter <donald.hunter@...il.com>, Thomas
 Petazzoni <thomas.petazzoni@...tlin.com>, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, Dent Project
 <dentproject@...uxfoundation.org>, kernel@...gutronix.de,
 UNGLinuxDriver@...rochip.com
Subject: Re: [PATCH net-next v3 1/7] net: ethtool: pse-pd: Expand C33 PSE
 status with class, power and extended state

On Mon, 17 Jun 2024 21:55:25 +0200
Oleksij Rempel <o.rempel@...gutronix.de> wrote:

> On Mon, Jun 17, 2024 at 03:47:12PM +0200, Kory Maincent wrote:
>  [...]  
> > 
> > Mmh not really indeed, maybe we can put it in error_condition substate?  
> 
> I'm not sure how this error can help user, if even we do not understand
> what is says. May be map everything what is not clear right not to
> unsupported error value. This give us some time to communicate with
> vendor and prevent us from making pointless UAPi?

Is it ok for you if I use this substate for unsupported value:
ETHTOOL_C33_PSE_EXT_SUBSTATE_ERROR_CONDITION_UNKNOWN_PORT_STATUS
or do you prefer another one.

> > Should I put it under MPS substate then?  
> 
> If my understand is correct, then yes. Can you test it? Do you have PD
> with adjustable load?

Yes I will test it.

Regards,
-- 
Köry Maincent, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com