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Provide support to read PHY stats (FEC and PCS) via the ethtool API. ]# ethtool -I --show-fec eth0 FEC parameters for eth0: Supported/Configured FEC encodings: RS Active FEC encoding: RS Statistics: corrected_blocks: 0 uncorrectable_blocks: 0 ]# ethtool -S eth0 --groups eth-phy Standard stats for eth0: eth-phy-SymbolErrorDuringCarrier: 0 Signed-off-by: Mohsin Bashir <mohsin.bashr@gmail.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Link: https://patch.msgid.link/20250825200206.2357713-6-kuba@kernel.org 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.