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3e99b4d282
If the driver doesn't fill NL80211_STA_INFO_TX_BITRATE in sta_set_sinfo() then as a fallback sta->deflink.tx_stats.last_rate is used. Unfortunately there's no guarantee that this has actually been set before it's used. Originally found when 'iw <dev> link' would always return a tx rate of 6Mbps regardless of actual link speed for the QCA9337 running firmware WLAN.TF.2.1-00021-QCARMSWP-1 in my netbook. Use the sanity check logic from ieee80211_fill_rx_status() and refactor that to use the new inline function. Signed-off-by: Stephen Douthit <stephen.douthit@gmail.com> Link: https://lore.kernel.org/r/20230213204024.3377-1-stephen.douthit@gmail.com [change to bool ..._rate_valid() instead of int ..._rate_invalid()] Signed-off-by: Johannes Berg <johannes.berg@intel.com> |
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| README | ||
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.