linux-kernel - Re: [PATCH] ppp: Add rtnl attribute IFLA_PPP_UNIT

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Message-ID: <20210810153941.GB14279@pc-32.home>
Date:   Tue, 10 Aug 2021 17:39:41 +0200
From:   Guillaume Nault <gnault@...hat.com>
To:     Pali Rohár <pali@...nel.org>
Cc:     Jakub Kicinski <kuba@...nel.org>,
        Paul Mackerras <paulus@...ba.org>,
        "David S. Miller" <davem@...emloft.net>, linux-ppp@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ppp: Add rtnl attribute IFLA_PPP_UNIT_ID for specifying
 ppp unit id

On Mon, Aug 09, 2021 at 09:31:09PM +0200, Pali Rohár wrote:
> Better to wait. I would like hear some comments / review on this patch
> if this is the correct approach as it adds a new API/ABI for userspace.

Personally I don't understand the use case for setting the ppp unit at
creation time. I didn't implement it on purpose when creating the
netlink interface, as I didn't have any use case.

On the other hand, adding the ppp unit in the netlink dump is probably
useful.