netdev - Re: [PATCH mlx5-next 12/12] net/mlx5: Set ODP SRQ support in firmware

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Message-ID: <20190205062753.GQ3634@mtr-leonro.mtl.com>
Date:   Tue, 5 Feb 2019 08:27:53 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Saeed Mahameed <saeedm@...lanox.com>
Cc:     Jason Gunthorpe <jgg@...lanox.com>,
        "dledford@...hat.com" <dledford@...hat.com>,
        Majd Dibbiny <majd@...lanox.com>,
        Moni Shoua <monis@...lanox.com>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH mlx5-next 12/12] net/mlx5: Set ODP SRQ support in firmware

On Mon, Feb 04, 2019 at 11:47:23PM +0000, Saeed Mahameed wrote:
> On Tue, 2019-01-22 at 08:48 +0200, Leon Romanovsky wrote:
> > From: Moni Shoua <monis@...lanox.com>
> >
> > To avoid compatibility issue with older kernels the firmware doesn't
> > allow SRQ to work with ODP unless kernel asks for it.
> >
> > Signed-off-by: Moni Shoua <monis@...lanox.com>
> > Reviewed-by: Majd Dibbiny <majd@...lanox.com>
> > Signed-off-by: Leon Romanovsky <leonro@...lanox.com>
> > ---
> >  .../net/ethernet/mellanox/mlx5/core/main.c    | 53
> > +++++++++++++++++++
> >  include/linux/mlx5/device.h                   |  3 ++
> >  include/linux/mlx5/mlx5_ifc.h                 |  1 +
> >  3 files changed, 57 insertions(+)
> >
> > diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c
> > b/drivers/net/ethernet/mellanox/mlx5/core/main.c
> > index be81b319b0dc..b3a76df0cf6c 100644
> > --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
> > +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
> > @@ -459,6 +459,53 @@ static int handle_hca_cap_atomic(struct
> > mlx5_core_dev *dev)
> >  	return err;
> >  }
> >
> > +static int handle_hca_cap_odp(struct mlx5_core_dev *dev)
> > +{
> > +	void *set_ctx;
> > +	void *set_hca_cap;
> > +	int set_sz = MLX5_ST_SZ_BYTES(set_hca_cap_in);
> > +	int err;
> > +
>
> reversed xmas tree.

I'll send followup to address your comments.

Thanks

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