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Current implementation of RDMA_CM sends MRA (Message Receipt Acknowledgment) only for request messages but not for response messages. As a result, a slow active side of the connection may send a ready-to-use message to the passive side in a delay that is too long for the passive side to wait for. This patch adds a call to ib_send_cm_mra() upon receiving a response message and by this tells the other side to modify the service timeout to a bigger value, 16 times than before. As in the request case, MRA for reply will be sent only if a duplicate response has arrived. Signed-off-by: Moni Shoua <monis@mellanox.com> Reviewed-by: Matan Barak <matan@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> 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.