On 22/07/2024 13:58, Johannes Berg wrote:
> On Mon, 2024-07-22 at 13:50 +0300, Bitterblue Smith 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.
>>
>> Fixes: e3037485c68e ("rtw88: new Realtek 802.11ac driver")
>> Signed-off-by: Bitterblue Smith <rtl8821cerfe2@xxxxxxxxx>
>> ---
>> v2:
>> - Use Fixes instead of Cc: stable.
>>
>
> For the record, if you want it backported, you really should have
> _both_. Having the Fixes: is good, but will not necessarily lead to it
> being backported when/where you want it.
>
> johannes
Oh. But my other patches were backported when I used Fixes.
