Re: [PATCH for-next] RDMA/hns: Get udp sport num dynamically instead of using a fixed value

[Jason Gunthorpe <jgg@nvidia.com>]

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 network
> routers (ECMP), load balancers and 802.3ad link aggregation switching that
> are not aware of RoCE IB headers. Considering that the IB core has achieved
> a new interface to get a hashed value of it，the 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.
> 
> 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 according
> to fl or as a random value.
> 
> 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