netdev - Re: [patch net-next] devlink: bring port new reply back

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Date: Wed, 31 May 2023 08:36:25 +0200
From: Jiri Pirko <jiri@...nulli.us>
To: Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, pabeni@...hat.com, davem@...emloft.net,
	edumazet@...gle.com, saeedm@...dia.com, moshe@...dia.com,
	simon.horman@...igine.com, leon@...nel.org
Subject: Re: [patch net-next] devlink: bring port new reply back

Wed, May 31, 2023 at 12:14:44AM CEST, kuba@...nel.org wrote:
>On Tue, 30 May 2023 09:54:35 -0700 Jakub Kicinski wrote:
>> On Tue, 30 May 2023 08:38:29 +0200 Jiri Pirko wrote:
>> > From: Jiri Pirko <jiri@...dia.com>
>> > 
>> > In the offending fixes commit I mistakenly removed the reply message of
>> > the port new command. I was under impression it is a new port
>> > notification, partly due to the "notify" in the name of the helper
>> > function. Bring the code sending reply with new port message back, this
>> > time putting it directly to devlink_nl_cmd_port_new_doit()
>> > 
>> > Fixes: c496daeb8630 ("devlink: remove duplicate port notification")
>> > Signed-off-by: Jiri Pirko <jiri@...dia.com>  
>> 
>> FWIW it should be fairly trivial to write tests for notifications and
>> replies now that YNL exists and describes devlink..
>
>Actually, I'm not 100% sure notifications work for devlink, with its
>rtnl-inspired command ID sharing.

Could you elaborate more where could be a problem?