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Date: Thu, 5 Oct 2023 09:22:19 +0200
From: Jiri Pirko <>
To: David Ahern <>
Subject: Re: [patch iproute2-next v2 3/5] devlink: introduce support for
 netns id for nested handle

Wed, Oct 04, 2023 at 05:20:46PM CEST, wrote:
>On 10/3/23 11:17 AM, Jiri Pirko wrote:
>> Tue, Oct 03, 2023 at 06:37:31PM CEST, wrote:
>>> On 9/29/23 5:30 AM, Jiri Pirko wrote:
>>>>>> The attribute is a namespace id, and the value is a namespace id. Given
>>>>>> that, the name here should be netnsid (or nsid - we did a horrible job
>>>>>> with consistency across iproute2 commands). I have not followed the
>>>>>> kernel patches to understand what you mean by nested devlink instance.
>>>>> Please do that. Again, the netnsid is related to the nested instance.
>>>>> Therefore I put the "nested_devlink" in the name. Putting just "netnsid"
>>>>> as you suggest is wrong. Another possibility would be do nest this into
>>>>> object, but:
>>>>> 1) I didn't find nice way to do that
>>>>> 2) We would break linecards as they expose nested_devlink already
>>> well, that just shows I make mistakes as a reviewer. These really long
>>> command lines are really taxing.
>> So what do you suggest?
>That you learn how to make up shorter names, leveraging established
>abbreviations for example. This one new parameter is 22 chars. How do
>you expect these command lines and responses to fit on a reasonable
>width terminal? I have been saying this now for many years about devlink
>commands - excessively long attribute names combined with duplicate
>terms in a command line. Not user friendly.

The problem is not the length, the problem is how to group nested
devlink handle and netnsid. Anyway..

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