IB/mlx4: Properly initialize GRH TClass and FlowLabel in AHs
commit 8c5122e4 upstream. When this code was reworked for IBoE support the order of assignments for the sl_tclass_flowlabel got flipped around resulting in TClass & FlowLabel being permanently set to 0 in the packet headers. This breaks IB routers that rely on these headers, but only affects kernel users - libmlx4 does this properly for user space. Fixes: fa417f7b ("IB/mlx4: Add support for IBoE") Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: Doug Ledford <dledford@redhat.com> Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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