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Do not assume that hardware has been programmed with the default mask, but instead read the input set registers to determine what is currently programmed. This ensures that all programmed filters match exactly how the hardware will interpret them, avoiding confusion regarding filter behavior. This sets the initial ground-work for allowing custom input sets where some fields are disabled. A future patch will fully implement this feature. Instead of using bitwise negation, we'll just explicitly check for the correct value. The use of htonl and htons are used to silence sparse warnings. The compiler should be able to handle the constant value and avoid actually performing a byteswap. Change-Id: I3d8db46cb28ea0afdaac8c5b31a2bfb90e3a4102 Signed-off-by: Jacob Keller <jacob.e.keller@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.