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The A-MPDU TX retransmission rate is always high (> 20%) even in a very clean environment. However, the vendor driver retransimission rate is < 10% in the same test bed. The difference is the vendor driver starts the A-MPDU TXOP with initial RTS/CTS handshake which is observed in the air capture and the TX descriptor. Since the driver does not know how many frames will be aggregated and the estimated duration, forcing the RTS/CTS protection for A-MPDU helps to lower the retransmission rate from > 20% to ~12% in the same test setup with the vendor driver. Signed-off-by: Chris Chiu <chris.chiu@canonical.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20211215085819.729345-1-chris.chiu@canonical.com |
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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.