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In addition to supporting Rx checksum offload, i.MX95 ENETC also supports Tx checksum offload. The transmit checksum offload is implemented through the Tx BD. To support Tx checksum offload, software needs to fill some auxiliary information in Tx BD, such as IP version, IP header offset and size, whether L4 is UDP or TCP, etc. Same as Rx checksum offload, Tx checksum offload capability isn't defined in register, so tx_csum bit is added to struct enetc_drvdata to indicate whether the device supports Tx checksum offload. Signed-off-by: Wei Fang <wei.fang@nxp.com> Reviewed-by: Frank Li <Frank.Li@nxp.com> Reviewed-by: Claudiu Manoil <claudiu.manoil@nxp.com> Link: https://patch.msgid.link/20241219054755.1615626-2-wei.fang@nxp.com 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.