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c6522a5076
For whatever reason, when connected to an open/no-security BSS, the wcn36xx controller in bmps mode does not forward 'wake-up' beacons despite AP sends DTIM with station AID. Meaning that AP is not able to wakeup the station and needs to wait for the station to wakeup by its own (TX data, keep alive pkt...), causing serious latency issues and unexpected deauth. When connected to AP with encryption enabled, this issue does not occur. So a simple workaround is to only enable bmps support in that case. Ideally, it should be propertly fixed to allow bmps support with open BSS, whatever the issue is at driver or firmware level. Tested on wcn3620 and wcn3680. Signed-off-by: Loic Poulain <loic.poulain@linaro.org> Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/1598363127-26066-1-git-send-email-loic.poulain@linaro.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.