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6f3bc48756
Implement the ethtool commands that can be used to configure and query flow-steering rules. A large part of this change consists of translating the ethtool representation of 'ntuples' to our internal gve_flow_rule and vice-versa in the new created gve_flow_rule.c Considering the possible large amount of flow rules, the driver doesn't store all the rules locally. When the user runs 'ethtool -n <nic>' to check the registered rules, the driver will send adminq command to query a limited amount of rules/rule ids(that filled in a 4096 bytes dma memory) at a time as a cache for the ethtool queries. The adminq query commands will be repeated for several times until the ethtool has queried all the needed rules. Signed-off-by: Jeroen de Borst <jeroendb@google.com> Co-developed-by: Ziwei Xiao <ziweixiao@google.com> Signed-off-by: Ziwei Xiao <ziweixiao@google.com> Reviewed-by: Praveen Kaligineedi <pkaligineedi@google.com> Reviewed-by: Harshitha Ramamurthy <hramamurthy@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://patch.msgid.link/20240625001232.1476315-6-ziweixiao@google.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.