On Sun, 2010-03-21 at 11:01 +0900, Bruno Randolf wrote: > On Sunday 21 March 2010 05:40:05 Johannes Berg wrote: > > On Sat, 2010-03-20 at 21:02 +0100, Lorenzo Bianconi wrote: > > > >> setup 2 wireless cards, talking to each other (i use IBSS) on > > > >> different > > > > > > >> machines. then setup routing like this: > > > PC1<--ethernet cable-->Device1<--wireless link-->Device2<--ethernet > > > cable-->PC2 > > > > I'm not really sure how this scenario differs from injecting traffic > > locally, but I'll try to reproduce. > > if you generate traffic locally it's enough to stop the queues, this will > cause userspace to stop generating traffic. in the forwarding case (which we > are talking about) stopping the queues will not stop the sender to send > traffic, thus we have to start dropping packets at some point. So I tried this scenario, and I see the queues stopping, and traffic being dropped quite as you'd want it. Even the race condition that I noticed didn't ever trigger. Please make sure you're using a kernel recent enough to include the fixes, maybe try compat-wireless. johannes -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html