wpa_supplicant Go Negotiation

[Arend van Spriel]

On 05/19/14 22:08, Peer, Ilan wrote:
> Hi Andrea,
>
> The wpa_supplicant allows to set the GO intent in the configuration file
> or by using the control interface commands that support it:
>
> ·The default intent in 7
>
> ·In configuration file u can set it by: p2p_go_intent=<0..15>
>
> ·From the control interface the intent can be changed as follows (also
> see here
> <http://hostap.epitest.fi/gitweb/gitweb.cgi?p=hostap-1.git;a=blob;f=wpa_supplicant/README-P2P;hb=HEAD>)
>
> oP2p_connect … go_intent=<val>
>
> oSet p2p_go_intent <val>

However, there is no android application level api to set this before 
doing a P2P connect attempt. Indeed wpa_supplicant has interface support 
in place so probably it would be better to have this discussion on 
android developers group [1].

Regards,
Arend

[1] https://groups.google.com/forum/#!forum/android-developers

> Regards,
>
> Ilan.
>
> *From:*Andrea Chittano [mailto:andrea.chittano at hotmail.it]
> *Sent:* Monday, May 19, 2014 15:55
> *To:* Peer, Ilan
> *Subject:* wpa_supplicant Go Negotiation
>
> Hi Ilan, I'm a member of HostAP.
>
> I've seen that you are working on wpa_supplicant, so may be you can
> clarify some doubts regarding it.
>
> I'm interested in GO negotiation procedure between 2 devices which want
> to perform a p2p wifi direct connection.
>
> Let's suppose that device 1 (D1) starts a connection with device 2 (D2).
>
> So GO negotiation must be performed. D1 sends a GO negotiation request
> containing its own GO Intent to D2.
>
> Now, D2 after receiving the request, should compare its own GO intent
> (local GO intent) with which one received from D1, in order to build a
> response containing device info of which one with the highest GO intent.
>
> I wish to know where devices set their GO intent before starting any action.
>
> I've found only a point where GO intent is setted and it happens when
> the wpa_supplincant on the device starting a connection calls the
> function p2p_connect().
>
> I get the impression that the whole GO negotiation is done between
> wpa_supplicants on D1 and D2.
>
> My question is:
>
> how does the device receiving the request acquire its local GO intent?
>
> Thanks for your help,
>
> Andrea
>
>
>
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