On Tue, 2016-09-06 at 12:26 +0530, Rajkumar Manoharan wrote: > mac80211 keeps track of missing acks and triggers CQM packet-loss > mechanism whenever consecutive msdu failure reaches threshold limit > (STA_LOST_PKT_THRESHOLD). Drivers like ath10k offlaoded rate countrol > and aggregation to firmware. Such drivers have its own connection > monitoring algorithm that is offloaded to firmware for triggering > station kickout due to excessive tries. In VHT mode, single PPDU can > have > more than 50 msdus at higher rates. Under noisy environment, single > ppdu > failure can cause station kickout by current mac80211 lost_packet > mechanism > while firmware is trying to adapt its rate table. This is causing > frequent > connect and disconnect iteration when station is roaming around. > > In such scenario, driver (or firmware) is not given enough chance to > tune its rate control. So for devices that report low ack events, add > a > hardware flag to rely on their mechnism. > The way you describe this it sounds like somehow you'll be reporting the indication to userspace from the driver; but you do not, and cannot do that. The description seems thus misleading? johannes
