"ext Luis R. Rodriguez" <mcgrof@xxxxxxxxx> writes: > On Fri, Nov 28, 2008 at 11:49 AM, Kalle Valo <kalle.valo@xxxxxxxxx> wrote: >> This patch implements dynamic power save for mac80211. Basically it >> means enabling power save mode after an idle period. Implementing it >> dynamically gives a good compromise of low power consumption and low >> latency. Some hardware have support for this in firmware, but some >> require the host to do it. >> >> The dynamic power save is implemented by adding an timeout to >> ieee80211_subif_start_xmit(). The timeout can be enabled from user space >> with Wireless Extensions. For example, the command below enables the >> dynamic power save and sets the time timeout to 500 ms: >> >> iwconfig wlan0 power timeout 500m >> >> Thanks to Johannes Berg for the help with the design. > > Might be worth noting that when dynamic power save is enabled for > mac80211 that this will only work right now for devices which handle > power save in firmware as power save is not yet implemented in > mac80211. > > Also that by default this is left disabled and the heuristics of how > and exactly how to enable this will be left to userspace. I will mention both of these in v4. -- Kalle Valo -- 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
