P2P_DEVICE support in Android KitKat

Peer, Ilan ilan.peer
Wed Sep 10 07:00:05 PDT 2014

Hi Arend,

We've encountered this issue in the past, and resolved it by passing the wpa_supplicant a P2P specific configuration file using the -m option. Try using -m but do not populate it with any network blocks that are not P2P groups.

Hope this helps,


> -----Original Message-----
> From: linux-wireless-owner at vger.kernel.org [mailto:linux-wireless-
> owner at vger.kernel.org] On Behalf Of Jouni Malinen
> Sent: Wednesday, September 10, 2014 14:11
> To: Arend van Spriel
> Cc: linux-wireless at vger.kernel.org; brcm80211 development;
> hostap at lists.shmoo.com
> Subject: Re: P2P_DEVICE support in Android KitKat
> On Wed, Sep 10, 2014 at 09:30:05AM +0200, Arend van Spriel wrote:
> > I am running some tests on a haswell target with Android KitKat
> > (3.10.20 kernel). In this configuration our brcmfmac driver is used
> > with driver param 'p2p_device=1'. So we end up with wlan0 and
> > p2p-dev-wlan0 interfaces (can blame myself for that). The
> > configuration has a network configured, but I did not expect
> > wpa_supplicant to start association using the p2p device interface.
> > The wlan0 interface is already connected to the AP. How can I fix this
> > to assure p2p-dev-wlan0 is only used for p2p management scenarios.
> Hmm.. Can you please show the wpa_supplicant command line that is used
> here and describe how that network block gets configured for the
> p2p-dev-wlan0 "interface"? I would have expected that there would never
> be a configuration with an enabled network block being passed for the P2P
> management interface.. Internally, wpa_supplicant should not add such for
> P2P groups, but I don't think there is any filtering on configuration if
> something is externally trying to make wpa_supplicant use that management
> interface for a station mode connection.
> --
> Jouni Malinen                                            PGP id EFC895FA
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