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c2d6fe6163
Add the transmit part of XDP support, which includes: - support for XDP_TX in mvpp2_xdp() - .ndo_xdp_xmit hook for AF_XDP and XDP_REDIRECT with mvpp2 as destination mvpp2_xdp_submit_frame() is a generic function which is called by mvpp2_xdp_xmit_back() when doing XDP_TX, and by mvpp2_xdp_xmit when doing AF_XDP or XDP_REDIRECT target. The buffer allocation has been reworked to be able to map the buffers as DMA_FROM_DEVICE or DMA_BIDIRECTIONAL depending if native XDP is in use or not. Co-developed-by: Sven Auhagen <sven.auhagen@voleatech.de> Signed-off-by: Sven Auhagen <sven.auhagen@voleatech.de> Signed-off-by: Matteo Croce <mcroce@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.