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A new check for the tx devlink health reporter is introduced for determining when the PTP port timestamping SQ is considered unhealthy. If there are enough CQEs considered never to be delivered, the space that can be utilized on the SQ decreases significantly, impacting performance and usability of the SQ. The health reporter is triggered when the number of likely never delivered port timestamping CQEs that utilize the space of the PTP SQ is greater than 93.75% of the total capacity of the SQ. A devlink health reporter recover method is also provided for this specific TX error context that restarts the PTP SQ. Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com> Reviewed-by: Tariq Toukan <tariqt@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.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 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.