Key Extraction(KEX) profile decides how the packet metadata such as layer information and selected packet data bytes at each layer are placed in MCAM search key. This patch reads the configured KEX profile parameters to find out the bit position and bit mask for each field. The information is used when programming the MCAM match data by SW to match a packet flow and take appropriate action on the flow. This patch also verifies the mandatory fields such as channel and DMAC are not overwritten by the KEX configuration of other fields. Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.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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