netdev - Re: [RFC] RESEND - rdmatool

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Message-ID: <20170118182857.GG32481@mtr-leonro.local>
Date:   Wed, 18 Jan 2017 20:28:57 +0200
From:   Leon Romanovsky <leonro@...lanox.com>
To:     Or Gerlitz <gerlitz.or@...il.com>
CC:     Ariel Almog <arielalmogworkemails@...il.com>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: [RFC] RESEND - rdmatool - tool for RDMA users

On Wed, Jan 18, 2017 at 07:50:26PM +0200, Or Gerlitz wrote:
> On Wed, Jan 18, 2017 at 7:33 PM, Leon Romanovsky wrote:
> > On Wed, Jan 18, 2017 at 06:48:21PM +0200, Or Gerlitz wrote:
> >> On Wed, Jan 18, 2017 at 5:19 PM, Ariel Almog
> >> <arielalmogworkemails@...il.com> wrote:
>
> >>> As of today, there is no single, simple, tool that allows monitoring
> >>> and configuration of RDMA stack.
>
> >> Before tool, what kernel UAPI you thought to use?
>
> > I'm aware of the following options:
> > 1) netlink
> > 2) RDMA ABI https://www.spinics.net/lists/linux-rdma/msg43960.html
> > 3) ioctl
> > 4) write/read
> >
> > The items 1 and 2 are preferred options and one of the main goals
> > for this RFC is to chose between them.
> >
> > For example, RDMA ABI has native support of querying and discovering
> > device capabilities via merge tree feature.
>
> To make it clear, when you wrote ABI in your initial email, I tend to
> think it was sort of unclear to the netdev crowd that you are talking
> on new UAPI which is now under the works for the IB subsystem, so with
> my netdev community member hat, I got confused... anyway

You are right, I missed it in my review for Ariel who wrote this RFC
and sent this RFC.

Thanks

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