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

[Johannes Berg <johannes@sipsolutions.net>]

On Wed, 2023-05-10 at 20:25 +0800, Wen Gong wrote:
> On 5/10/2023 7:24 PM, Johannes Berg wrote:
> > 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.
> OK. For "advertise some level of link-concurrency to userspace", do you 
> have any plan/idea?

No, not really.

johannes
> 

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