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[ Upstream commit0763120b09] In case the checksum calculation is offloaded to the DSA master network interface, it will include the switch trailing tag. As soon as the switch strips that tag on egress, the calculated checksum is wrong. Therefore, add the checksum calculation to the tagger (if required) before adding the switch tag. This way, the hellcreek code works with all DSA master interfaces regardless of their declared feature set. Fixes:01ef09caad("net: dsa: Add tag handling for Hirschmann Hellcreek switches") Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Link: https://lore.kernel.org/r/20220415103320.90657-1-kurt@linutronix.de Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Sasha Levin <sashal@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.