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Edward Cree says: ==================== sfc: support PTP on 8000 and X2000 series NICs Starting from the 8000-series (Medford 1), SFC NICs can timestamp TX packets sent through an ordinary DMA queue, rather than a special control-plane operation as in the 7000-series. Patches 2-8 implement support for this. The X2000-series (Medford 2) changes the format of timestamps, from seconds+ (2^27)ths to seconds + quarter nanoseconds, as well as changing the shift of the frequency adjustment for increased precision. Patches 9-12 implement support for these changes. Patch #1 is an unrelated fix for NAPI budget handling, needed in order for TX completion changes in the later patches to apply cleanly. ==================== 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.