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John Hurley authored
With the merging of 2 sub flows, a new 'merge' flow will be created and
written to FW. The TC layer is unaware that the merge flow exists and will
request stats from the sub flows. Conversely, the FW treats a merge rule
the same as any other rule and sends stats updates to the NFP driver.

Add links between merge flows and their sub flows. Use these links to pass
merge flow stats updates from FW to the underlying sub flows, ensuring TC
stats requests are handled correctly. The updating of sub flow stats is
done on (the less time critcal) TC stats requests rather than on FW stats
update.

Signed-off-by: default avatarJohn Hurley <john.hurley@netronome.com>
Signed-off-by: default avatarSimon Horman <simon.horman@netronome.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
aa6ce2ea
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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.