On Mon, 2017-03-13 at 08:24 -0600, Jens Axboe wrote: > On 03/13/2017 07:14 AM, Luca Coelho wrote: > > From: Sara Sharon <sara.sharon@xxxxxxxxx> > > > > When a station is asleep, the fw will set it as "asleep". > > All queues that are used only by one station will be stopped by > > the fw. > > > > In pre-DQA mode this was relevant for aggregation queues. However, > > in DQA mode a queue is owned by one station only, so all queues > > will be stopped. > > As a result, we don't expect to get filtered frames back to > > mac80211 and don't have to maintain the entire pending_frames > > state logic, the same way as we do in aggregations. > > > > The correct behavior is to align DQA behavior with the aggregation > > queue behaviour pre-DQA: > > - Don't count pending frames. > > - Let mac80211 know we have frames in these queues so that it can > > properly handle trigger frames. > > > > When a trigger frame is received, mac80211 tells the driver to send > > frames from the queues using release_buffered_frames. > > The driver will tell the fw to let frames out even if the station > > is asleep. This is done by iwl_mvm_sta_modify_sleep_tx_count. > > It fixes the warning for me. > > Tested-by: Jens Axboe <axboe@xxxxxx> Great! Thanks for testing. I'll queue this for the 4.11-rc series via the normal path (i.e. wireless-driver->netdev). -- Cheers, Luca.
