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IB CM calls ib_modify_port() irrespective of link layer. If the failure is returned, the mad agent gets unregistered for those devices. Recently, modify_port() hook was removed from some of the low level drivers as it was always returning success. This breaks rdma connection establishment over those devices. For ethernet devices, Qkey violation and port capabilities are not applicable. So returning success for RoCE when modify_port hook is is not implemented. Cc: Leon Romanovsky <leon@kernel.org> Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.