[PATCH 1/2] supplicant: Use high-priority queue for management packets.

[Johannes Berg]

On Tue, 2014-03-18 at 07:10 +0100, Janusz Dziedzic wrote:
> On 17 March 2014 11:43, Johannes Berg <johannes at sipsolutions.net> wrote:
> > On Mon, 2014-03-17 at 11:34 +0100, Janusz Dziedzic wrote:
> >
> >> > Regarding this mac80211 patch I am just curious what in such case
> >> >
> >> > AP (UAPSD)   <-->   STA (AC: VO - default we have in mac80211)
> >> > STA go to PS
> >> > AP send EAP (VO) packet - we will not set PVB
> >> > STA will not wake-up ...
> >> >
> >> > I am not sure about real word here - if vendors/mac80211 allow STA go
> >> > to PS during EAP exchange ...
> >> >
> >>
> >> Adding Felix.
> >> Did we introduce a possible bug in case of AP UAPSD?
> >
> > I don't see how any of this is a bug - if the client wants uAPSD then it
> > better be prepared to handle VO packets coming to it in some way?
> >
> You mean HW that support UAPSD in STA mode:
> a) "in some" way send trigger frames when goes to PS and expect EAP frame
> b) should't go to PS during EAP exchange
> 
> Do you know how MVM handle this?

I think we only go to PS after being authorized, but not sure. That's
not the only case though since you can also get EAP frames for GTK
rekeying.

johannes