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Date:   Mon, 31 Aug 2020 12:25:57 -0300
From:   Jason Gunthorpe <jgg@nvidia.com>
To:     Weihang Li <liweihang@huawei.com>
CC:     <dledford@redhat.com>, <leon@kernel.org>,
        <linux-rdma@vger.kernel.org>, <linuxarm@huawei.com>
Subject: Re: [PATCH for-next] RDMA/hns: Get udp sport num dynamically instead
 of using a fixed value
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On Fri, Aug 21, 2020 at 05:31:29PM +0800, Weihang Li wrote:
> The UDP source port number in RoCE v2 is used to create entropy for netwo=
rk
> routers (ECMP), load balancers and 802.3ad link aggregation switching tha=
t
> are not aware of RoCE IB headers. Considering that the IB core has achiev=
ed
> a new interface to get a hashed value of it=EF=BC=8Cthe fixed value of it=
 in QPC
> and UD WQE in hns driver could be fixed and the port number is to be set
> dynamically now.
>=20
> For QPC of RC, the value could be hashed from flow_lable if the user pass
> it in or from remote qpn and local qpn. For WQE of UD, it is set accordin=
g
> to fl or as a random value.
>=20
> Signed-off-by: Weihang Li <liweihang@huawei.com>
> ---
>  drivers/infiniband/hw/hns/hns_roce_ah.c     | 18 ++++++++++++++++++
>  drivers/infiniband/hw/hns/hns_roce_device.h | 23 ++++++++++++-----------
>  drivers/infiniband/hw/hns/hns_roce_hw_v2.c  | 13 +++++++++++--
>  include/rdma/ib_verbs.h                     |  1 +
>  4 files changed, 42 insertions(+), 13 deletions(-)

Applied to for-next, thanks

Jason