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From: Jason Gunthorpe <jgg@nvidia.com>
To: Kamal Heib <kamalheib1@gmail.com>
Cc: <linux-rdma@vger.kernel.org>, Doug Ledford <dledford@redhat.com>,
	Yishai Hadas <yishaih@nvidia.com>
Subject: Re: [PATCH for-rc] RDMA/mlx4: Fix return value when QP type isn't supported
Date: Tue, 22 Sep 2020 20:30:03 -0300	[thread overview]
Message-ID: <20200922233003.GA809877@nvidia.com> (raw)
In-Reply-To: <20200922134429.130255-1-kamalheib1@gmail.com>

On Tue, Sep 22, 2020 at 04:44:29PM +0300, Kamal Heib wrote:
> The proper return code is "-EOPNOTSUPP" when trying to modify a raw
> packet QP over an IB port.
> 
> Fixes: 3987a2d3193c ("IB/mlx4: Add raw packet QP support")
> Signed-off-by: Kamal Heib <kamalheib1@gmail.com>
> ---
>  drivers/infiniband/hw/mlx4/qp.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Is it? Why? EOPNOTSUPP should be used by the uverbs layer to indicate
that the operation is not implemented in the driver

Calling modify_qp against a RAW_QP when it is not supported by spec is
EINVAL?

Jason

  reply	other threads:[~2020-09-22 23:30 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-22 13:44 [PATCH for-rc] RDMA/mlx4: Fix return value when QP type isn't supported Kamal Heib
2020-09-22 23:30 ` Jason Gunthorpe [this message]
2020-09-27 13:04   ` Kamal Heib

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