linux-kernel - Re: [PATCH rdma-rc] RDMA/mlx5: Set user priority for DCT

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Message-ID: <20211006194102.GA2768770@nvidia.com>
Date:   Wed, 6 Oct 2021 16:41:02 -0300
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Leon Romanovsky <leon@...nel.org>
Cc:     Doug Ledford <dledford@...hat.com>,
        Patrisious Haddad <phaddad@...dia.com>,
        linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org,
        Maor Gottlieb <maorg@...dia.com>,
        Moni Shoua <monis@...lanox.com>,
        Yishai Hadas <yishaih@...lanox.com>
Subject: Re: [PATCH rdma-rc] RDMA/mlx5: Set user priority for DCT

On Wed, Oct 06, 2021 at 12:31:53PM +0300, Leon Romanovsky wrote:
> From: Patrisious Haddad <phaddad@...dia.com>
> 
> Currently, the driver doesn't set the PCP-based priority for DCT,
> hence DCT response packets are transmitted without user priority.
> 
> Fix it by setting user provided priority in the eth_prio field
> in the DCT context, which in turn sets the value in the transmitted packet.
> 
> Fixes: 776a3906b692 ("IB/mlx5: Add support for DC target QP")
> Signed-off-by: Patrisious Haddad <phaddad@...dia.com>
> Reviewed-by: Maor Gottlieb <maorg@...dia.com>
> Signed-off-by: Leon Romanovsky <leonro@...dia.com>
> ---
>  drivers/infiniband/hw/mlx5/qp.c | 2 ++
>  1 file changed, 2 insertions(+)

Applied to for-rc, thanks

Jason