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Yangbo Lu says: ==================== Support PTP clock and hardware timestamping for DSA Felix driver This patch-set is to support PTP clock and hardware timestamping for DSA Felix driver. Some functions in ocelot.c/ocelot_board.c driver were reworked/exported, so that DSA Felix driver was able to reuse them as much as possible. On TX path, timestamping works on packet which requires timestamp. The injection header will be configured accordingly, and skb clone requires timestamp will be added into a list. The TX timestamp is final handled in threaded interrupt handler when PTP timestamp FIFO is ready. On RX path, timestamping is always working. The RX timestamp could be got from extraction header. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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.