netdev - Re: [PATCH mlx5-next 11/15] RDMA/mlx5: Add vport metadata matching for IB representors

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Message-ID: <20190619050412.GC11611@mtr-leonro.mtl.com>
Date:   Wed, 19 Jun 2019 05:04:15 +0000
From:   Leon Romanovsky <leonro@...lanox.com>
To:     Jianbo Liu <jianbol@...lanox.com>
CC:     Saeed Mahameed <saeedm@...lanox.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        Roi Dayan <roid@...lanox.com>, Mark Bloch <markb@...lanox.com>
Subject: Re: [PATCH mlx5-next 11/15] RDMA/mlx5: Add vport metadata matching
 for IB representors

On Wed, Jun 19, 2019 at 04:44:26AM +0000, Jianbo Liu wrote:
> The 06/18/2019 18:19, Leon Romanovsky wrote:
> > On Mon, Jun 17, 2019 at 07:23:30PM +0000, Saeed Mahameed wrote:
> > > From: Jianbo Liu <jianbol@...lanox.com>
> > >
> > > If vport metadata matching is enabled in eswitch, the rule created
> > > must be changed to match on the metadata, instead of source port.
> > >
> > > Signed-off-by: Jianbo Liu <jianbol@...lanox.com>
> > > Reviewed-by: Roi Dayan <roid@...lanox.com>
> > > Reviewed-by: Mark Bloch <markb@...lanox.com>
> > > Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
> > > ---
> > >  drivers/infiniband/hw/mlx5/ib_rep.c | 11 +++++++
> > >  drivers/infiniband/hw/mlx5/ib_rep.h | 16 ++++++++++
> > >  drivers/infiniband/hw/mlx5/main.c   | 45 +++++++++++++++++++++++------
> > >  3 files changed, 63 insertions(+), 9 deletions(-)
> > >
> > > diff --git a/drivers/infiniband/hw/mlx5/ib_rep.c b/drivers/infiniband/hw/mlx5/ib_rep.c
> > > index 22e651cb5534..d4ed611de35d 100644
> > > --- a/drivers/infiniband/hw/mlx5/ib_rep.c
> > > +++ b/drivers/infiniband/hw/mlx5/ib_rep.c
> > > @@ -131,6 +131,17 @@ struct mlx5_eswitch_rep *mlx5_ib_vport_rep(struct mlx5_eswitch *esw, int vport)
> > >  	return mlx5_eswitch_vport_rep(esw, vport);
> > >  }
> > >
> > > +u32 mlx5_ib_eswitch_vport_match_metadata_enabled(struct mlx5_eswitch *esw)
> > > +{
> > > +	return mlx5_eswitch_vport_match_metadata_enabled(esw);
> > > +}
> > > +
> > > +u32 mlx5_ib_eswitch_get_vport_metadata_for_match(struct mlx5_eswitch *esw,
> > > +						 u16 vport)
> > > +{
> > > +	return mlx5_eswitch_get_vport_metadata_for_match(esw, vport);
> > > +}
> >
> > 1. There is no need to introduce one line functions, call to that code directly.
>
> No. They are in IB, and we don't want them be mixed up by the original
> functions in eswitch. Please ask Mark more about it.

Please enlighten me.

>
> > 2. It should be bool and not u32.
> >
> > Thanks
>
> --