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Currently when GID is deleted, it zero out all the fields of the RoCE address in the SET_ROCE_ADDRESS command for a specified index. roce_version = 0 means RoCEv1 in the SET_ROCE_ADDRESS command. This assumes that device has RoCEv1 always enabled which is not always correct. For example Subfunction does not support RoCEv1. Due to this assumption a previously added RoCEv2 GID is always deleted as RoCEv1 GID. This results in a below syndrome: mlx5_core.sf mlx5_core.sf.4: mlx5_cmd_check:777:(pid 4256): SET_ROCE_ADDRESS(0x761) op_mod(0x0) failed, status bad parameter(0x3), syndrome (0x12822d) Hence set the right RoCE version during GID deletion provided by the core. Link: https://lore.kernel.org/r/d3f54129c90ca329caf438dbe31875d8ad08d91a.1618753425.git.leonro@nvidia.com Signed-off-by: Parav Pandit <parav@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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.