To allow better problem diagnosis the return codes for SMC-Dv2 are improved by this patch. A few more CLC DECLINE codes are defined and sent to the peer when an SMC connection cannot be established. There are now multiple SMC variations that are offered by the client and the server may encounter problems to initialize all of them. Because only one diagnosis code can be sent to the client the decision was made to send the first code that was encountered. Because the server tries the variations in the order of importance (SMC-Dv2, SMC-D, SMC-R) this makes sure that the diagnosis code of the most important variation is sent. v2: initialize rc in smc_listen_v2_check(). Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Link: https://lore.kernel.org/r/20201031181938.69903-1-kgraul@linux.ibm.com Signed-off-by: Jakub Kicinski <kuba@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.
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