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3344b99d69
The rate code and rate kbps report by WMI_TLV_PEER_STATS_INFO_EVENTID from firmware contains all the bitrate info which include OFDM, CCK, HT/VHT, and mac80211 need the struct rate_info which include below parameters: flags: bitflag of flags from &enum rate_info_flags mcs: mcs index if struct describes an HT/VHT/HE rate legacy: bitrate in 100kbit/s for 802.11abg nss: number of streams (VHT & HE only) bw: bandwidth (from &enum rate_info_bw) For OFDM/CCK, its rate kbps indicate the bitrate, for HT/VHT, mac80211 need the above 5 parameters to cacluate the bitrate and show by iw. After parse the bitrate info, iw show the correct rx bitrate: localhost ~ # iw wlan0 link rx bitrate: 234.0 MBit/s VHT-MCS 3 80MHz VHT-NSS 2 rx bitrate: 40.5 MBit/s MCS 2 40MHz rx bitrate: 72.2 MBit/s MCS 7 short GI rx bitrate: 54.0 MBit/s rx bitrate: 48.0 MBit/s Tested with QCA6174 SDIO with firmware WLAN.RMH.4.4.1-00042. Signed-off-by: Wen Gong <wgong@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200427080416.8265-4-wgong@codeaurora.org |
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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.