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

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Date:   Mon, 12 Aug 2019 18:29:13 -0600
From:   David Ahern <dsahern@...il.com>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Roopa Prabhu <roopa@...ulusnetworks.com>
Cc:     Jiri Pirko <jiri@...nulli.us>, 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 8/12/19 3:43 PM, Jakub Kicinski wrote:
> Is not adding commands better because it's easier to deal with the
> RTM_NEWLINK notification? I must say it's unclear from the thread why
> muxing the op through RTM_SETLINK is preferable. IMHO new op is
> cleaner, do we have precedent for such IFLA_.*_OP-style attributes?

An alternative name for a link is not a primary object; it is only an
attribute of a link and links are manipulated through RTM_*LINK commands.