netdev - Re: [PATCH mlx5-next 1/3] net/mlx5: Expose eswitch encap mode

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Date:   Sat, 8 Jun 2019 11:25:01 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Parav Pandit <parav@...lanox.com>
Cc:     Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...lanox.com>,
        RDMA mailing list <linux-rdma@...r.kernel.org>,
        Maor Gottlieb <maorg@...lanox.com>,
        Mark Bloch <markb@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>,
        linux-netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH mlx5-next 1/3] net/mlx5: Expose eswitch encap mode

On Thu, Jun 06, 2019 at 01:08:46PM +0000, Parav Pandit wrote:
>
>
> > -----Original Message-----
> > From: linux-rdma-owner@...r.kernel.org <linux-rdma-
> > owner@...r.kernel.org> On Behalf Of Leon Romanovsky
> > Sent: Thursday, June 6, 2019 4:36 PM
> > To: Doug Ledford <dledford@...hat.com>; Jason Gunthorpe
> > <jgg@...lanox.com>
> > Cc: Leon Romanovsky <leonro@...lanox.com>; RDMA mailing list <linux-
> > rdma@...r.kernel.org>; Maor Gottlieb <maorg@...lanox.com>; Mark Bloch
> > <markb@...lanox.com>; Saeed Mahameed <saeedm@...lanox.com>;
> > linux-netdev <netdev@...r.kernel.org>
> > Subject: [PATCH mlx5-next 1/3] net/mlx5: Expose eswitch encap mode
> >
> > From: Maor Gottlieb <maorg@...lanox.com>
> >
> > Add API to get the current Eswitch encap mode.
> > It will be used in downstream patches to check if flow table can be created
> > with encap support or not.
> >
> > Signed-off-by: Maor Gottlieb <maorg@...lanox.com>
> > Signed-off-by: Leon Romanovsky <leonro@...lanox.com>
> > ---
> >  drivers/net/ethernet/mellanox/mlx5/core/eswitch.c | 10 ++++++++++
> >  include/linux/mlx5/eswitch.h                      | 10 ++++++++++
> >  2 files changed, 20 insertions(+)
> >
> > diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
> > b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
> > index 9ea0ccfe5ef5..1da7f9569ee8 100644
> > --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
> > +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
> > @@ -2452,6 +2452,16 @@ u8 mlx5_eswitch_mode(struct mlx5_eswitch
> > *esw)  }  EXPORT_SYMBOL_GPL(mlx5_eswitch_mode);
> >
> > +u16 mlx5_eswitch_get_encap_mode(struct mlx5_core_dev *dev) {
>
> Encap mode as well defined devlink definition.
> So instead of u16, it should return enum devlink_eswitch_encap_mode.
>
> Since this is only reading the mode, it is better to define struct mlx5_core_dev* as const struct mlx5_core_dev *.

Thanks Parav, I'll change and resend, anyway second patch uses wrong types too.