netdev - Re: [PATCH rdma-next 0/9] Support mlx5 flow steering with RAW data

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Date:   Wed, 11 Jul 2018 08:43:15 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Jason Gunthorpe <jgg@...pe.ca>,
        Saeed Mahameed <saeedm@...lanox.com>
Cc:     Doug Ledford <dledford@...hat.com>,
        RDMA mailing list <linux-rdma@...r.kernel.org>,
        Yishai Hadas <yishaih@...lanox.com>,
        linux-netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH rdma-next 0/9] Support mlx5 flow steering with RAW data

On Tue, Jul 10, 2018 at 12:28:54PM -0600, Jason Gunthorpe wrote:
> On Sun, Jul 08, 2018 at 01:24:36PM +0300, Leon Romanovsky wrote:
> > From: Leon Romanovsky <leonro@...lanox.com>
> >
> > >From Yishai:
> >
> > This series introduces vendor create and destroy flow methods on the
> > uverbs flow object by using the KABI infra-structure.
> >
> > It's done in a way that enables the driver to get its specific device
> > attributes in a raw data to match its underlay specification while still
> > using the generic ib_flow object for cleanup and code sharing.
> >
> > In addition, a specific mlx5 matcher object and its create/destroy
> > methods were introduced. This object matches the underlay flow steering
> > mask specification and is used as part of mlx5 create flow input data.
> >
> > This series supports IB_QP/TIR as its flow steering destination as
> > applicable today via the ib_create_flow API, however, it adds also an
> > option to work with DEVX object which its destination can be both TIR
> > and flow table.
> >
> > Few changes were done in the mlx5 core layer to support forward
> > compatible for the device specification raw data and to support flow
> > table when the DEVX destination is used.
> >
> > As part of this series the default IB destroy handler
> > (i.e. uverbs_destroy_def_handler()) was exposed from IB core to be
> > used by the drivers and existing code was refactored to use it.
> >
> > Thanks
>
> >   IB: Enable uverbs_destroy_def_handler to be used by drivers
>
> I applied this one
>
> > Yishai Hadas (9):
> >   net/mlx5: Add forward compatible support for the FTE match data
> >   net/mlx5: Add support for flow table destination number
> >   IB/mlx5: Introduce flow steering matcher object
> >   IB: Consider ib_flow creation by the KABI infrastructure
> >   IB/mlx5: Introduce vendor create and destroy flow methods
> >   IB/mlx5: Support adding flow steering rule by raw data
> >   IB/mlx5: Add support for a flow table destination
> >   IB/mlx5: Expose vendor flow trees
>
> The rest will need to be resent after the comments are addressed.

Jason, Saeed

Thanks for the comments, we will fix and resubmit.

>
> Thanks,
> Jason

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