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Since firmware uses its own sequence number counters, we need to use firmware number as well when mac80211 generates the ADD_BA request packet. Indeed the firmware sequence counters tend to slightly drift from the mac80211 ones because of firmware offload features like ARP responses. This causes the starting sequence number field of the ADD_BA request to be unaligned, and can possibly cause issues with strict/picky APs. To fix this, we retrieve the current firmware sequence number for a given TID through the smd_trigger_ba API, and use that number as replacement of the mac80211 starting sequence number. This change also ensures that any issue in the smd *ba procedures will cause the ba action to properly fail, and remove useless call to smd_trigger_ba() from IEEE80211_AMPDU_RX_START. Signed-off-by: Loic Poulain <loic.poulain@linaro.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/1637604251-11763-1-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.