mainline inclusion
from mainline-v5.12-rc1
commit 7ae61c5f
category: feature
bugzilla: 174002
CVE:NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7ae61c5f16671ecaf23526feb6892c8249d0c2d7

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The window selection field is necessary for congestion control of HIP09,
it is got from firmware and then filled into QPC. Some algorithms need it
to decide whether to limit the number of windows.

Fixes: f91696f2 ("RDMA/hns: Support congestion control type selection according to the FW")
Link: https://lore.kernel.org/r/1624364163-44185-1-git-send-email-liweihang@huawei.comSigned-off-by: NYixing Liu <liuyixing1@huawei.com>
Signed-off-by: NWeihang Li <liweihang@huawei.com>
Signed-off-by: NJason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Nwangsirong <wangsirong@huawei.com>
Reviewed-by: NChunZhi Hu <huchunzhi@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>