RDMA/hns: Do shift on traffic class when using RoCEv2

Browse source

[ 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>

...

This commit is contained in:

Weihang Li 2020-12-11 09:37:29 +08:00 • committed by Greg Kroah-Hartman

parent 44dd35a017

commit 78d22dd989

3 changed files with 12 additions and 8 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

drivers/infiniband/hw/hns/hns_roce_ah.c

View file

8

drivers/infiniband/hw/hns/hns_roce_device.h

View file

10

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

View file