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This patch adds two new helper functions: flow_rule_is_supp_enc_control_flags() flow_rule_has_enc_control_flags() They are intended to be used for validating encapsulation control flags, and compliment the similar helpers without "enc_" in the name. The only difference is that they have their own error message, to make it obvious if an unsupported flag error is related to FLOW_DISSECTOR_KEY_CONTROL or FLOW_DISSECTOR_KEY_ENC_CONTROL. flow_rule_has_enc_control_flags() is for drivers supporting FLOW_DISSECTOR_KEY_ENC_CONTROL, but not supporting any encapsulation control flags. (Currently all 4 drivers fits this category) flow_rule_is_supp_enc_control_flags() is currently only used for the above helper, but should also be used by drivers once they implement at least one encapsulation control flag. There is AFAICT currently no need for an "enc_" variant of flow_rule_match_has_control_flags(), as all drivers currently supporting FLOW_DISSECTOR_KEY_ENC_CONTROL, are already calling flow_rule_match_enc_control() directly. Only compile tested. Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net> Reviewed-by: Davide Caratti <dcaratti@redhat.com> Link: https://lore.kernel.org/r/20240609173358.193178-2-ast@fiberby.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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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.