On Fri, 2011-04-01 at 17:15 +0530, Vivek Natarajan wrote: > In a highly noisy environment, since the driver could not send > the packets out in 100ms, some applications stall and eventually > fail as mac80211 stops the netdevice queues for flush when power > save is triggered. Most of the WMM testcases fail in the Wifi > testing because of this. > Increasing the dynamic ps timeout to 200-300ms helps but in noisy > channel conditions even if there is a continuous tx traffic, mac80211 > tries to go into PS. The new implementation checks for any frames > queued in the driver tx queues and based on that mac80211 decides > to go for power save. This also prevents redundant stopping of > netdevice queues which helps more applications to run properly. I think as an API change this needs more justification. Why does this need a new callback, for example? 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
