Tony Chuang <yhchuang@xxxxxxxxxxx> writes: >> -----Original Message----- >> From: Kalle Valo [mailto:kvalo@xxxxxxxxxxxxxx] >> Sent: Monday, May 06, 2019 4:49 PM >> To: Tony Chuang >> Cc: linux-wireless@xxxxxxxxxxxxxxx >> Subject: Re: [PATCH v2 4/5] rtw88: fix unassigned rssi_level in rtw_sta_info >> >> <yhchuang@xxxxxxxxxxx> writes: >> >> > From: Yan-Hsuan Chuang <yhchuang@xxxxxxxxxxx> >> > >> > The new rssi_level should be stored in si, otherwise the rssi_level will >> > never be updated and get a wrong RA mask, which is calculated by the >> > rssi level >> > >> > Signed-off-by: Yan-Hsuan Chuang <yhchuang@xxxxxxxxxxx> >> >> Stanislaw suggested that this should go to 5.2. So what breaks from >> user's point of view if this is not applied? >> > > If the rssi level remains unchanged, then we could choose wrong ra_mask. > And some *bad rates* we be chosen by firmware. > The most hurtful scene would be *noisy environment* such as office, or public. > The latency would be high and overall throughput would be only half. > (This was tested, such as 4x Mbps -> 1x Mbps) Yeah, then this is definitely suitable for 5.2. Could you please resend the patch and mention the symtomps in the commit log? And mark the patch as "[PATCH 5.2 v3]" so that I can easily see it's for v5.2, please. -- Kalle Valo