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e7ce59d920
Detect NICs and drivers that either drop frames with a corrupted TCP checksum or, worse, pass them up as valid. The test flips one bit in the checksum, transmits the packet in internal loopback, and fails when the driver reports CHECKSUM_UNNECESSARY. Discussed at: https://lore.kernel.org/all/20250625132117.1b3264e8@kernel.org/ Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250717083524.1645069-1-o.rempel@pengutronix.de Signed-off-by: Jakub Kicinski <kuba@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 reStructuredText 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.