[PATCH 61/76] wifi: nl80211: add EML/MLD capabilities to per-iftype capabilities

[Johannes Berg]

On Fri, 2023-08-11 at 17:24 +0800, Wen Gong wrote:
> > 
> > And again, what would you do with it? Not advertise EML when you have
> > selected links that are not in the map? And if the links change
> > dynamically in the future? You'd probably need a bunch of validation for
> > that.
> For example, for station, NOT support EML on 2 GHz, support EML on 5 
> GHz/6 GHz.
> 
> When connect to 2/3 links AP, then EML should NOT add in assoc req while 
> connect to AP which is 2 GHz+5 GHz or 2 GHz+6 GHz or 2 GHz+5 GHz+6 GHz.
> 
> EML should add in assoc req while connect to AP which is 5 GHz+6 GHz.

OK, at least that answers the question what you'd want to do with it :)

> For dynamic link change, it is another new topic, so I have not good advise
> for that.😁

But everyone's looking at that?

Honestly I'm not even sure - and you might know better - what the EML
capabilities matter for if you never enable EML.

So almost feels like if you never send the EML OMN frame (thanks for the
name!) the AP wouldn't really care, and that's something you could do
very easily without changing it, i.e. you pretend that your 2.4 GHz
actually has EML, you just never enable it in case 2.4 GHz is active?

johannes