Re: [PATCH rdma-rc 6/7] IB/mlx5: Enable MAD_IFC commands for IB ports only

[Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>]

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On Mon, Sep 12, 2016 at 07:16:23PM +0300, Leon Romanovsky wrote:
> From: Noa Osherovich <noaos-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
>
> MAD_IFC command is supported only for physical functions (PF)
> and when physical port is IB. The proposed fix enforces it.
>
> Fixes: d603c809ef91 ("IB/mlx5: Fix decision on using MAD_IFC")
> Reported-by: David Chang <dchang-IBi9RG/b67k@public.gmane.org>
> Signed-off-by: Noa Osherovich <noaos-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> Signed-off-by: Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>

Let's see if patchworks handles tags with name/email different from
FROM field of email sender.

Reported-and-tested-by: Sujith Pandel <sujith_pandel-8PEkshWhKlo@public.gmane.org>

http://marc.info/?l=linux-rdma&m=147373086900629&w=2

> ---
>  drivers/infiniband/hw/mlx5/main.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
> index 8150ea3..0480b64 100644
> --- a/drivers/infiniband/hw/mlx5/main.c
> +++ b/drivers/infiniband/hw/mlx5/main.c
> @@ -288,7 +288,9 @@ __be16 mlx5_get_roce_udp_sport(struct mlx5_ib_dev *dev, u8 port_num,
>
>  static int mlx5_use_mad_ifc(struct mlx5_ib_dev *dev)
>  {
> -	return !MLX5_CAP_GEN(dev->mdev, ib_virt);
> +	if (MLX5_CAP_GEN(dev->mdev, port_type) == MLX5_CAP_PORT_TYPE_IB)
> +		return !MLX5_CAP_GEN(dev->mdev, ib_virt);
> +	return 0;
>  }
>
>  enum {
> --
> 2.7.4
>
> --
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