netdev - Re: [patch net-next rfc 3/7] net: rtnetlink: add commands to add and delete alternative ifnames

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Message-ID: <20190826095548.4d4843fe@cakuba.netronome.com>
Date:   Mon, 26 Aug 2019 09:55:48 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     David Ahern <dsahern@...il.com>,
        Roopa Prabhu <roopa@...ulusnetworks.com>,
        netdev <netdev@...r.kernel.org>,
        David Miller <davem@...emloft.net>,
        Stephen Hemminger <sthemmin@...rosoft.com>, dcbw@...hat.com,
        Michal Kubecek <mkubecek@...e.cz>,
        Andrew Lunn <andrew@...n.ch>, parav@...lanox.com,
        Saeed Mahameed <saeedm@...lanox.com>,
        mlxsw <mlxsw@...lanox.com>
Subject: Re: [patch net-next rfc 3/7] net: rtnetlink: add commands to add
 and delete alternative ifnames

On Mon, 26 Aug 2019 18:09:16 +0200, Jiri Pirko wrote:
> DaveA, Roopa. Do you insist on doing add/remove of altnames in the
> existing setlist command using embedded message op attrs? I'm asking
> because after some time thinking about it, it still feels wrong to me :/
> 
> If this would be a generic netlink api, we would just add another couple
> of commands. What is so different we can't add commands here?
> It is also much simpler code. Easy error handling, no need for
> rollback, no possibly inconsistent state, etc.

+1 the separate op feels like a better uapi to me as well.

Perhaps we could redo the iproute2 command line interface to make the
name the primary object? Would that address your concern Dave and Roopa?