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The PPE hardware counters maintain counters for packets handled by the various functional blocks of PPE. They help in tracing the packets passed through PPE and debugging any packet drops. The counters displayed by this debugfs file are ones that are common for all Ethernet ports, and they do not include the counters that are specific for a MAC port. Hence they cannot be displayed using ethtool. The per-MAC counters will be supported using "ethtool -S" along with the netdevice driver. The PPE hardware various type counters are made available through the debugfs files under directory "/sys/kernel/debug/ppe/". Signed-off-by: Luo Jie <quic_luoj@quicinc.com> Link: https://patch.msgid.link/20250818-qcom_ipq_ppe-v8-13-1d4ff641fce9@quicinc.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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.