[PATCH 10/27] wifi: mac80211: isolate driver from inactive links

[Johannes Berg]

On Wed, 2023-05-10 at 19:06 +0800, Wen Gong wrote:
> On 4/11/2023 3:38 PM, Johannes Berg wrote:
> > On Tue, 2023-04-04 at 11:28 +0800, Wen Gong wrote:
> > > May I also add a field such as "u16 active_links_count" in struct
> > > wiphy_iftype_ext_capab,
> > > and add logic in function ieee80211_set_vif_links_bitmaps() for station
> > > like this ?:
> > > if (active_links_count && hweight16(links) <= active_links_count)
> > >       then sdata->vif.active_links = links;
> > > 
> > Also here, not sure it makes sense in cfg80211 level?
> > 
> > Though I'm not sure what the idea here is at all - you can refuse to
> > link switch etc, what would you use this for?
> > 
> > Then again, we haven't really designed out all the link selection stuff,
> > do we want wpa_s to do it, driver to do it, etc.? Hence debugfs. So
> > depending on what end up doing there, we will obviously need to
> > advertise some level of link-concurrency to userspace.
> 
> So will you plan to do something to let wpa_s/userspace app 
> active/deactive links?
> 
> Or you already have implemented that?
> 

No plans right now, and honestly not sure what the right thing even is.

johannes