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rtw88: add debugfs to force lowest basic rate

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The management frame with high rate e.g. 24M may not be transmitted
smoothly in long range environment.
Add a debugfs to force to use the lowest basic rate
in order to debug the reachability of transmitting management frame.

obtain current setting
cat /sys/kernel/debug/ieee80211/phyX/rtw88/force_lowest_basic_rate

force lowest rate:
echo 1 > /sys/kernel/debug/ieee80211/phyX/rtw88/force_lowest_basic_rate

Signed-off-by: Yu-Yen Ting <steventing@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20211102022454.10944-2-pkshih@realtek.com
This commit is contained in:
Yu-Yen Ting 2021-11-02 10:24:54 +08:00 • committed by Kalle Valo
commit 272cda71e8
3 changed files with 42 additions and 1 deletions
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