On Tue, 2019-04-16 at 17:37 +0800, Herbert Xu wrote: > On Tue, Apr 16, 2019 at 11:33:50AM +0200, Johannes Berg wrote: > > On Tue, 2019-04-16 at 10:33 +0100, Toke Høiland-Jørgensen wrote: > > > > > > > It is true because we have an entire buffering layer in mac80211 (in > > > > this case at least) and never push back to the stack. > > > > > > I'm wondering if we should be? > > > > I don't think so? We'd just buffer packets in yet another place. > > But you do realise that you're giving up on the rich queueing > functionality that Linux provides (net/sched), Yes, that was a trade-off we always knew about. The model that Linux provides is just not suited for wifi. > not to mention > breaking certain applications that rely on congestion feedback? This I don't understand. The congestion feedback happens through socket buffer space etc. which is still there (as long as nobody sneaks in an skb_orphan() call) johannes
