From: Sean Wang <sean.wang@xxxxxxxxxxxx> >> On Thursday, 2 December 2021 23:13:31 CET Lorenzo Bianconi wrote: >> > IIRC you need to disable runtime-pm and deep-sleep to proper enable >> > monitor >> > mode: >> > >> > echo 0 > /sys/kernel/debug/ieee80211/phy<x>/mt76/runtime-pm >> > echo 0 > /sys/kernel/debug/ieee80211/phy<x>/mt76/deep-sleep >> > >> > Can you please give it whirl? >> >> Jan gave me the card. I've set it to a rather busy channel (2.4GHz >> channel 11), created a monitor interface, attached tcpdump and then >> waited what happens. I didn't get anything and then I've tried to set >> runtime-pm and deep- sleep to 0. This didn't change the behavior for >> me at lot. I saw two packets and then it went silent again. >> >> I wanted to try the same on a different card (ath11k) in the same >> system. But it crashed my complete system - so I had to recreate the >> test setup. This time, I've set runtime-pm + deep-sleep to 0 before >> creating mon0. After doing this, it seemed to work. > >interesting, adding Sean to the loop here. >It seems the fw is mainting a different state in this case. fw cannot receive any frame on monitor mode in deeply doze mode so it seemed to me we need a patch to explicitly disable pm runtime in driver when monitor interface is enabled until it is being disabled. > >@Sean: any pointers? > >Regards, >Lorenzo > >> >> Kind regards, >> Sven >
