netdev - Re: [patch net-next v3 13/13] net: expose devlink port over rtnetlink

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Message-ID: <20221102081006.70a81e89@kernel.org>
Date:   Wed, 2 Nov 2022 08:10:06 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, pabeni@...hat.com,
        edumazet@...gle.com, tariqt@...dia.com, moshe@...dia.com,
        saeedm@...dia.com, linux-rdma@...r.kernel.org
Subject: Re: [patch net-next v3 13/13] net: expose devlink port over
 rtnetlink

On Wed, 2 Nov 2022 12:22:09 +0100 Jiri Pirko wrote:
>> Why produce the empty nest if port is not set?  
> 
> Empty nest indicates that kernel supports this but there is no devlink
> port associated. I see no other way to indicate this :/

Maybe it's time to plumb policies thru to classic netlink, instead of
creating weird attribute constructs?