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The driver (and the entire netdev layer for that matter) assumes that TC0 will always be present in our DCB configuration. Unfortunately, this isn't always the case. Rather than fail to configure the VSI, let's go ahead and try to make it work, even though DCB will end up being disabled by the kernel. If the driver fails to configure DCB, the driver queries what's valid, then writes that back to the hardware, always forcing TC0. This fixes a bug where the driver could fail to adhere to ETS BW allocations if 8 TCs were configured on the switch. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.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.