netdev - Re: [PATCH rdma-next 08/19] RDMA/core: Expose translation from device name to ib

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Message-ID: <20170622053125.GK1248@mtr-leonro.local>
Date:   Thu, 22 Jun 2017 08:31:25 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Jason Gunthorpe <jgunthorpe@...idianresearch.com>
Cc:     Doug Ledford <dledford@...hat.com>, linux-rdma@...r.kernel.org,
        Chien Tin Tung <chien.tin.tung@...el.com>,
        Steve Wise <swise@...ngridcomputing.com>,
        Stephen Hemminger <stephen@...workplumber.org>,
        Jiri Pirko <jiri@...lanox.com>,
        Ariel Almog <ariela@...lanox.com>,
        Linux Netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH rdma-next 08/19] RDMA/core: Expose translation from
 device name to ib_device

On Wed, Jun 21, 2017 at 10:07:48AM -0600, Jason Gunthorpe wrote:
> On Wed, Jun 21, 2017 at 09:05:17AM +0300, Leon Romanovsky wrote:
> > From: Leon Romanovsky <leonro@...lanox.com>
> >
> > Provide ability to convert from device name to ib_device for the
> > IB/core users.
>
> FWIW, as a general comment, we really need to start using some kind of
> device index like netdev does instead of the name. I'd like the see
> the new netlink interface be index based.

I can do it, but it won't be full solution as I would like to have.

At this stage, IB doesn't support namespaces yet and to implement them
is a little bit overkill for rdmatool.

>
> As we saw in a past discussion there is a desire to have stable device
> naming, which means renaming...

If I recall correctly, after your proposal the participants disappeared :).

>
> Jason

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