Add an infrastructure to help parsing tc actions in a generic way. Supporting an action parser means implementing struct mlx5e_tc_act for that action. The infrastructure will give the possibility to be generic when parsing tc actions, i.e. parse_tc_nic_actions() and parse_tc_fdb_actions(). To parse tc actions a user needs to allocate a parse_state instance and pass it when iterating over the tc actions parsers. If a parser doesn't exists then a user can treat it as unsupported. To add an action parser a user needs to implement two callbacks. The can_offload() callback to quickly check if an action can be offloaded. The parse_action() callback to do actual parsing and prepare for offload. Add implementation for drop, trap, mark and accept action parsers with this commit to act as examples and implement usage of the new infrastructure for those actions. Signed-off-by: Roi Dayan <roid@nvidia.com> Reviewed-by: Oz Shlomo <ozsh@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.
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