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c1fffc5d66
Add the RX datapath for AF_XDP zero-copy for DQ RDA. The RX path is quite similar to that of the normal XDP case. Parallel methods are introduced to properly handle XSKs instead of normal driver buffers. To properly support posting from XSKs, queues are destroyed and recreated, as the driver was initially making use of page pool buffers instead of the XSK pool memory. Expose support for AF_XDP zero-copy, as the TX and RX datapaths both exist. Reviewed-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Praveen Kaligineedi <pkaligineedi@google.com> Signed-off-by: Joshua Washington <joshwash@google.com> Signed-off-by: Jeroen de Borst <jeroendb@google.com> Link: https://patch.msgid.link/20250717152839.973004-6-jeroendb@google.com Signed-off-by: Paolo Abeni <pabeni@redhat.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.