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More RX/TX queues on a network card help spread the CPU load among cores and achieve higher overall networking performance. The new Mikrotik 10/25G NIC supports 4 RX and 4 TX queues. TX queues are treated with equal priority. RX queue balancing is fixed based on L2/L3/L4 hash. This adds support for 4 RX/TX queues while maintaining backwards compatibility with older hardware. Simultaneous TX + RX performance on AMD Threadripper 3960X with Mikrotik 10/25G NIC improved from 1.6Mpps to 3.2Mpps per port. Backwards compatiblitiy was verified with AR8151 and AR8131 based NICs. Signed-off-by: Gatis Peisenieks <gatis@mikrotik.com> Signed-off-by: Jakub Kicinski <kuba@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.