Re: rewriting powersave

[Johannes Berg <johannes@sipsolutions.net>]

On Thu, 2011-11-10 at 13:44 +0100, Johannes Berg wrote:

> Since clearly it is possible to implement this in the lower layers, I'm
> thinking we should provide an implementation that the drivers can use to
> implement powersave and be in category 4 from mac80211's POV.
> 
> I think the API for case 3 could look something like this:
> 
> struct powersave {
> 	...
> };
> 
> struct powersave_ops {
> 	void (*tx_nulldata)(void *ctx, ...);
> 	void (*set_radio)(void *ctx, bool on);
> 	void (*timeout_radio_off)(void *ctx);
> };

[...]

Also, the stick will be I'm going to remove the existing implementation
eventually, and the carrot will be that you'll get PS for multiple
virtual interfaces with this and I'm not going to take it directly into
mac80211 :-)

johannes