On Tue, 2012-06-26 at 15:03 +0300, Eyal Shapira wrote: > AVM FritzBox 7390 has a weird behaviour where once we enable > U-APSD only on the VO AC it limits the rate of the packets > it sends to 39Mbps and doesn't do AMPDU aggregation. > This causes a big degradation in throughput obviously. > It's important to note that this isn't related to PS and happens > also when ACTIVE is forced. The traffic affected is sent in BE AC. > Once legacy mode for all ACs is used the AP begins using higher rates > as well as AMPDU aggregation which improves throughput significantly. > > In order to deal with this AP and potentially others switch to > using legacy mode for all ACs by default. This actually somewhat makes sense if they have a bad aggregation implementation, because you don't want VO to have latency, *especially* not when uAPSD was enabled, indicating that you want VO-like low-latency behaviour. I don't see why you're optimising for TPT on VO rather then latency? 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
