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[ Upstream commit530c8632b5] Some released FW versions mistakenly don't set the capability that 50G per lane link-modes are supported for VFs (ptys_extended_ethernet capability bit). Use PTYS.ext_eth_proto_capability instead, as this indication is always accurate. If PTYS.ext_eth_proto_capability is valid (has a non-zero value) conclude that the HCA supports 50G per lane. Otherwise, conclude that the HCA doesn't support 50G per lane. Fixes:08e8676f16("IB/mlx5: Add support for 50Gbps per lane link modes") Link: https://lore.kernel.org/r/20200707110612.882962-3-leon@kernel.org Signed-off-by: Aya Levin <ayal@mellanox.com> Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com> Reviewed-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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.