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Since 6 GHz band has around 60 channels and more strict rules for active probing. Reduced neighbor report can be used to reduce the channels we scan and get specific target BSS info to probe for. Declare flag WIPHY_FLAG_SPLIT_SCAN_6GHZ so the scan request could be divided into two portions: legacy bands and 6 GHz bands. So RNR information from legacy bands could later be used when 6 GHz scan. When the scan flag NL80211_SCAN_FLAG_COLOCATED_6GHZ is set, cfg80211 will pass down a reduced channel set which contains PSCs and non-PSC with RNR info received in the 2 GHz/5 GHz band. This reduces the scan duration by allowing us to only scan for channels in which APs are currently operating. Signed-off-by: Po-Hao Huang <phhuang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230217120007.8835-1-pkshih@realtek.com
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.