On 2019-03-04 10:48, Stanislaw Gruszka wrote: > Program beacons data and PS buffered frames on TBTT work for USB. > We do not have MT_TXQ_PSD queue available via USB endpoints. The way > we can send PS broadcast frames in timely manner before PS stations go > sleep again is program them in beacon data area. Hardware do not modify > those frames since TXWI is properly configured. mt76x02_mac_set_beacon() > already handle this and free no longer used frames. > > Signed-off-by: Stanislaw Gruszka <sgruszka@xxxxxxxxxx> I think it's a nice idea, but there is one problem with that approach: beacon slots only have 1024 bytes for TXWI + data. I think to support this properly, you probably need to adjust beacon offsets for USB dynamically and limit the number of frames to what you can fit in SRAM. - Felix