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In preparation for introducing IPv6 rules support, make the cfp_udf_layout more flexible and match more accurately how the HW is designed: we have 3 + 1 slices per protocol, but we may not be using all of them and we are relative to a particular base offset (slice A for IPv4 for instance). Also populate the slice number that should be used (slice 1 for IPv4) based on the lookup function. Finally, we introduce two helper functions: udf_upper_bits() and udf_lower_bits() to help setting the UDF_n_* valid bits based on the number of UDFs valid within a slice. Update the IPv4 rule setting to make use of it to be more robust wrt. change in number of User Defined Fields being programmed. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.