Hi, > > > Since there's no any keep alive packet being received by host > > > stack, leads to mac80211 destrory BA sesion. > > > > > > > More specifically, the BA session relies on client side's Tx data to > > Typo... I mean *our side*. Something like this Sorry. I'm just totally confused - I thought the initiator only set the timeout, but I see now that it's negotiated and the actual value used is from the client. Which explains basically everything. johannes