Bitterblue Smith <rtl8821cerfe2@xxxxxxxxx> wrote:
> "iw dev wlp2s0 station dump" shows incorrect rx bitrate:
>
> tx bitrate: 866.7 MBit/s VHT-MCS 9 80MHz short GI VHT-NSS 2
> rx bitrate: 86.7 MBit/s VHT-MCS 9 VHT-NSS 1
>
> This is because the RX band width is calculated incorrectly. Fix the
> calculation according to the phydm_rxsc_2_bw() function from the
> official drivers.
>
> After:
>
> tx bitrate: 866.7 MBit/s VHT-MCS 9 80MHz short GI VHT-NSS 2
> rx bitrate: 390.0 MBit/s VHT-MCS 9 80MHz VHT-NSS 1
>
> It also works correctly with the AP configured for 20 MHz and 40 MHz.
>
> Tested with RTL8822CE.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: e3037485c68e ("rtw88: new Realtek 802.11ac driver")
> Signed-off-by: Bitterblue Smith <rtl8821cerfe2@xxxxxxxxx>
2 patch(es) applied to rtw-next branch of rtw.git, thanks.
a71ed5898dfa wifi: rtw88: 8822c: Fix reported RX band width
0129e5ff2842 wifi: rtw88: 8703b: Fix reported RX band width
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https://github.com/pkshih/rtw.git
