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Broadcasting flags are hardcoded for each kind for protocol. Create a redirect_flags map that allows to select the broadcasting flags to use in the bpf_redirect_map(). The protocol ID is used as a key. Set the old hardcoded values as default if the map isn't filled by the BPF caller. Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@bootlin.com> Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Acked-by: Stanislav Fomichev <sdf@fomichev.me> Link: https://patch.msgid.link/20250212-redirect-multi-v5-3-fd0d39fca6e6@bootlin.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.