Johannes Berg <johannes@xxxxxxxxxxxxxxxx> writes: > On Mon, 2018-09-10 at 14:39 +0200, Toke Høiland-Jørgensen wrote: > >> > From then on, right now we basically just try to refill the hardware >> > queue from the TXQ whenever the hardware releases frames from that >> > queue. If there are none, we fall back to putting them on the hardware >> > queue from the wake signal. >> >> OK. So if the TXQ is ineligible to dequeue packets, but still have them >> queued, there would need to be a signal (such as wake_txq()) when it >> becomes eligible again, right? > > Right. It wouldn't have to be wake_txq, but that seems as appropriate as > anything else. > > If we were to use ieee80211_airtime_may_transmit(), we'd have to have > something that tells us "I previously told you it may not transmit, but > now I changed my mind" :-) Yes, exactly. Hmm, I'll see what I can come up with :) -Toke
