linux-kernel - Re: [PATCH for-next 0/2] RDMA/hns: Support configuring congestion control algorithm with QP granularity

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Date: Wed, 7 Feb 2024 10:33:38 +0200
From: Leon Romanovsky <leon@...nel.org>
To: Junxian Huang <huangjunxian6@...ilicon.com>
Cc: jgg@...pe.ca, linux-rdma@...r.kernel.org, linuxarm@...wei.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH for-next 0/2] RDMA/hns: Support configuring congestion
 control algorithm with QP granularity

On Wed, Feb 07, 2024 at 11:29:08AM +0800, Junxian Huang wrote:
> Patch #1 reverts a previous bugfix that was intended to add restriction
> to congestion control algorithm for UD but mistakenly introduced other
> problem.

First patch shouldn't be revert but a fix to "add a restriction that only DCQCN
is supported for UD." and second patch should be a new feature.

Thanks

> 
> Patch #2 adds support for configuring congestion control algorithm with
> QP granularity. The algorithm restriction for UD is added in this patch.
> 
> Junxian Huang (1):
>   RDMA/hns: Support configuring congestion control algorithm with QP
>     granularity
> 
> Luoyouming (1):
>   Revert "RDMA/hns: The UD mode can only be configured with DCQCN"
> 
>  drivers/infiniband/hw/hns/hns_roce_device.h | 26 +++++---
>  drivers/infiniband/hw/hns/hns_roce_hw_v2.c  | 18 ++----
>  drivers/infiniband/hw/hns/hns_roce_hw_v2.h  |  3 +-
>  drivers/infiniband/hw/hns/hns_roce_main.c   |  3 +
>  drivers/infiniband/hw/hns/hns_roce_qp.c     | 71 +++++++++++++++++++++
>  include/uapi/rdma/hns-abi.h                 | 17 +++++
>  6 files changed, 118 insertions(+), 20 deletions(-)
> 
> --
> 2.30.0
>