netdev - Re: [PATCH net-next v3 1/2] dpll: add clock quality level attribute and op

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Message-ID: <Zw6Cg1giDaFwVCio@nanopsycho.orion>
Date: Tue, 15 Oct 2024 16:56:03 +0200
From: Jiri Pirko <jiri@...nulli.us>
To: Vadim Fedorenko <vadim.fedorenko@...ux.dev>
Cc: Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
	davem@...emloft.net, edumazet@...gle.com, pabeni@...hat.com,
	donald.hunter@...il.com, arkadiusz.kubalewski@...el.com,
	saeedm@...dia.com, leon@...nel.org, tariqt@...dia.com
Subject: Re: [PATCH net-next v3 1/2] dpll: add clock quality level attribute
 and op

Tue, Oct 15, 2024 at 04:50:41PM CEST, vadim.fedorenko@...ux.dev wrote:
>On 15/10/2024 15:26, Jakub Kicinski wrote:
>> On Mon, 14 Oct 2024 10:11:32 +0200 Jiri Pirko wrote:
>> > +    type: enum
>> > +    name: clock-quality-level
>> > +    doc: |
>> > +      level of quality of a clock device. This mainly applies when
>> > +      the dpll lock-status is not DPLL_LOCK_STATUS_LOCKED.
>> > +      The current list is defined according to the table 11-7 contained
>> > +      in ITU-T G.8264/Y.1364 document. One may extend this list freely
>> > +      by other ITU-T defined clock qualities, or different ones defined
>> > +      by another standardization body (for those, please use
>> > +      different prefix).
>> 
>> uAPI extensibility aside - doesn't this belong to clock info?
>> I'm slightly worried we're stuffing this attr into DPLL because
>> we have netlink for DPLL but no good way to extend clock info.
>
>There is a work going on by Maciek Machnikowski about extending clock
>info. But the progress is kinda slow..

Do you have some info about this? A list of attrs at least would help.

>
>> > +    entries:
>> > +      -
>> > +        name: itu-opt1-prc
>> > +        value: 1
>> > +      -
>> > +        name: itu-opt1-ssu-a
>> > +      -
>> > +        name: itu-opt1-ssu-b
>> > +      -
>> > +        name: itu-opt1-eec1
>> > +      -
>> > +        name: itu-opt1-prtc
>> > +      -
>> > +        name: itu-opt1-eprtc
>> > +      -
>> > +        name: itu-opt1-eeec
>> > +      -
>> > +        name: itu-opt1-eprc
>> > +    render-max: true
>> 
>> Why render max? Just to align with other unnecessary max defines in
>> the file?
>