wpa_supplicant and power saving options

Johannes Berg johannes at sipsolutions.net
Sun Feb 5 19:14:18 EST 2012


On Sun, 2012-02-05 at 19:14 +0200, Adrien Bustany wrote:

> Adjusting the TX power of the chip can be used to save quite some power 
> (of course, if you reduce it too much then things stop working :) ), 
> powersaving is a flag exposed by nl80211, I guess what drivers actually 
> do is implementation specific. Those two are quite relevant on mobile 
> devices, where you want to reduce power usage as much as possible.

That really is a use case for TX power adaption as part of rate control,
probably not something userspace should dabble with.

johannes



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