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We can indicate IEEE80211_HW_HAS_RATE_CONTROL to mac80211 because the hardware has its own rate control algorithm. And what driver needs to do is to choose an RA mask according the peer's capabilities. But the hardware is not able to setup BA session by itself. So driver requires to initiate tx BA session for hardware, and tells it if it is possible to transmit AMPDU. The hardware can then aggregate MPDUs. And the size of AMPDU is controlled by the TX descriptor and the register value. Since the TX descriptor will reference the max AMPDU size from ieee80211_sta::ht_cap::ampdu_factor, just set the register value to 0x3f, and let it be controlled by TX descriptor. Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.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.