netdev - Re: [PATCH rdma-next v1 0/3] Add ConnectX DCS offload support

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Message-ID: <20210720181848.GA1207526@nvidia.com>
Date:   Tue, 20 Jul 2021 15:18:48 -0300
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Leon Romanovsky <leon@...nel.org>
Cc:     Doug Ledford <dledford@...hat.com>,
        Leon Romanovsky <leonro@...dia.com>,
        linux-rdma@...r.kernel.org, Lior Nahmanson <liorna@...dia.com>,
        Meir Lichtinger <meirl@...dia.com>, netdev@...r.kernel.org,
        Saeed Mahameed <saeedm@...dia.com>
Subject: Re: [PATCH rdma-next v1 0/3] Add ConnectX DCS offload support

On Mon, Jun 21, 2021 at 10:06:13AM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@...dia.com>
> 
> Changelog:
> v1:
>  * Rephrase commit message of second patch
> v0: https://lore.kernel.org/linux-rdma/cover.1622723815.git.leonro@nvidia.com
> 
> ------------
> 
> This patchset from Lior adds support of DCI stream channel (DCS) support.
> 
> DCS is an offload to SW load balancing of DC initiator work requests.
> 
> A single DC QP initiator (DCI) can be connected to only one target at the time
> and can't start new connection until the previous work request is completed.
> 
> This limitation causes to delays when the initiator process needs to
> transfer data to multiple targets at the same time.
> 
> Thanks
> 
> Lior Nahmanson (3):
>   net/mlx5: Add DCS caps & fields support
>   RDMA/mlx5: Separate DCI QP creation logic
>   RDMA/mlx5: Add DCS offload support

Applied to for-next, thanks

Jason