netdev - Re: [patch iproute2-next v2] devlink: add reload failed indication

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Message-ID: <13688c37-3f27-bdb4-973b-dd73031fa230@gmail.com>
Date:   Wed, 18 Sep 2019 14:01:31 -0600
From:   David Ahern <dsahern@...il.com>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     netdev@...r.kernel.org, stephen@...workplumber.org,
        idosch@...lanox.com, jakub.kicinski@...ronome.com,
        tariqt@...lanox.com, mlxsw@...lanox.com
Subject: Re: [patch iproute2-next v2] devlink: add reload failed indication

On 9/18/19 1:37 AM, Jiri Pirko wrote:
> Wed, Sep 18, 2019 at 01:46:13AM CEST, dsahern@...il.com wrote:
>> On 9/17/19 12:36 PM, Jiri Pirko wrote:
>>> Tue, Sep 17, 2019 at 06:46:31PM CEST, dsahern@...il.com wrote:
>>>> On 9/16/19 3:44 AM, Jiri Pirko wrote:
>>>>> From: Jiri Pirko <jiri@...lanox.com>
>>>>>
>>>>> Add indication about previous failed devlink reload.
>>>>>
>>>>> Example outputs:
>>>>>
>>>>> $ devlink dev
>>>>> netdevsim/netdevsim10: reload_failed true
>>>>
>>>> odd output to user. Why not just "reload failed"?
>>>
>>> Well it is common to have "name value". The extra space would seem
>>> confusing for the reader..
>>> Also it is common to have "_" instead of space for the output in cases
>>> like this.
>>>
>>
>> I am not understanding your point.
>>
>> "reload failed" is still a name/value pair. It is short and to the point
>> as to what it indicates. There is no need for the name in the uapi (ie.,
>> the name of the netlink attribute) to be dumped here.
> 
> Ah, got it. Well it is a bool value, that means it is "true" or "false".
> In json output, it is True of False. App processing json would have to
> handle this case in a special way.
> 

Technically it is a u8. But really I do not understand why it is
RELOAD_FAILED and not RELOAD_STATUS which is more generic and re-usable.
e.g,. 'none', 'failed', 'success'.