netdev - Re: [PATCH rdma-next 0/8] User space steering

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Message-ID: <20190424130714.GB5196@ziepe.ca>
Date:   Wed, 24 Apr 2019 10:07:14 -0300
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     Leon Romanovsky <leon@...nel.org>
Cc:     Doug Ledford <dledford@...hat.com>,
        Leon Romanovsky <leonro@...lanox.com>,
        RDMA mailing list <linux-rdma@...r.kernel.org>,
        Ariel Levkovich <lariel@...lanox.com>,
        Eli Cohen <eli@...lanox.com>, Mark Bloch <markb@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>,
        linux-netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH rdma-next 0/8] User space steering

On Sun, Mar 31, 2019 at 07:44:42PM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@...lanox.com>
> 
> >From Ariel,
> 
> This series of patches adds user space managed steering infrastructure
> to the mlx5_ib driver.
> 
> User space managed steering requires the means to access a dedicated
> memory space that is used by the device to store the packet steering
> and header modification tables and rules in order to manage them directly
> without the device's firmware involvement. This dedicated memory is part
> of the ICM memory space.
> 
> The changes are introducing the mlx5_ib API to allocate, deallocate and
> register this dedicated SW ICM memory via the existing device memory API
> using a private attribute which specifies the memory type.
> 
> The allocated memory itself is not IO mapped and user can only access it
> using remote RDMA operations.
> 
> In addition, the series exposed the ICM address of the receive transport
> interface (TIR) of Raw Packet and RSS QPs to user since they are required
> to properly create and insert steering rules that direct flows to these QPs.
> 
> Thanks
> 
> Ariel Levkovich (8):
>   net/mlx5: Expose SW ICM related device memory capabilities
>   IB/mlx5: Support device memory type attribute
>   IB/mlx5: Warn on allocated MEMIC buffers during cleanup
>   IB/mlx5: Add steering SW ICM device memory type
>   IB/mlx5: Device resource control for privileged DEVX user

This doesn't apply, it conflicts with patches in mlx5-next, please
resent

>   net/mlx5: Expose TIR ICM address in command outbox
>   net/mlx5: Introduce new TIR creation core API
>   IB/mlx5: Expose TIR ICM address to user space

Is this actually two patch series? This one looks OK, lets apply it to
mlx5-next please

Jason