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fd7c211d68
Instead of rejecting the attaching of PROG_TYPE_EXT programs to XDP programs that consume HW metadata, implement support for propagating the offload information. The extension program doesn't need to set a flag or ifindex, these will just be propagated from the target by the verifier. We need to create a separate offload object for the extension program, though, since it can be reattached to a different program later (which means we can't just inherit the offload information from the target). An additional check is added on attach that the new target is compatible with the offload information in the extension prog. Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com> Signed-off-by: Stanislav Fomichev <sdf@google.com> Link: https://lore.kernel.org/r/20230119221536.3349901-9-sdf@google.com Signed-off-by: Martin KaFai Lau <martin.lau@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 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.