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Weihang Li 78d22dd989 RDMA/hns: Do shift on traffic class when using RoCEv2
[ Upstream commit 603bee935f ]

The high 6 bits of traffic class in GRH is DSCP (Differentiated Services
Codepoint), the driver should shift it before the hardware gets it when
using RoCEv2.

Fixes: 606bf89e98 ("RDMA/hns: Refactor for hns_roce_v2_modify_qp function")
Fixes: fba429fcf9 ("RDMA/hns: Fix missing fields in address vector")
Link: https://lore.kernel.org/r/1607650657-35992-4-git-send-email-liweihang@huawei.com
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2020-12-30 11:53:51 +01:00
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Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.