From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jason Gunthorpe <jgg@mellanox.com>
Subject: Re: [PATCH mlx5-next v1 2/8] net/mlx5: Add support for flow table
 destination number
Date: Thu, 12 Jul 2018 15:26:18 -0600
Message-ID: <20180712212618.GS30390@mellanox.com>
References: <20180711111045.6282-1-leon@kernel.org>
 <20180711111045.6282-3-leon@kernel.org>
 <CAJ3xEMgFknMqJq=BY9SxWpPJDrm1BYBVfQWzyhYk5cdELsaoRQ@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Return-path: <netdev-owner@vger.kernel.org>
Content-Disposition: inline
In-Reply-To: <CAJ3xEMgFknMqJq=BY9SxWpPJDrm1BYBVfQWzyhYk5cdELsaoRQ@mail.gmail.com>
Sender: netdev-owner@vger.kernel.org
To: Or Gerlitz <gerlitz.or@gmail.com>
Cc: Yishai Hadas <yishaih@mellanox.com>, Doug Ledford <dledford@redhat.com>, Leon Romanovsky <leonro@mellanox.com>, RDMA mailing list <linux-rdma@vger.kernel.org>, Saeed Mahameed <saeedm@mellanox.com>, linux-netdev <netdev@vger.kernel.org>
List-Id: linux-rdma@vger.kernel.org

On Fri, Jul 13, 2018 at 12:00:41AM +0300, Or Gerlitz wrote:
> On Wed, Jul 11, 2018 at 2:10 PM, Leon Romanovsky <leon@kernel.org> wrote:
> > From: Yishai Hadas <yishaih@mellanox.com>
> >
> > Add support to set a destination from a flow table number.
> > This functionality will be used in downstream patches from this
> > series by the DEVX stuff.
> 
> Reading your cover letter, I still don't understand what is missing
> in the current mlx5 fs core API for your needs. After all, you do
> create flow tables from the IB driver through fs core calls, right?
> so @ the end of the day, you have the FT pointer to provide the
> core, why you need the FT number?

Via the devx API userspace can create flow tables directly without
going to the driver's flow steering core.

Jason