dbus + wpa_supplicant 2.5 - p2p interface not working

[Johncy Bennette]

Hi,
    The patch from below site resolved my issue.
http://w1.fi/cgit/hostap/commit/?id=5441da2beb99c67e4f7790b114c65a2cc748f166

This was not present in my wpa_supplicant.

Regards,
Johncy.

On 7 November 2015 at 16:11, Johncy Bennette <johncyrr at gmail.com> wrote:
> Thanks Dan. I will run with gdb once I am back to office.
>
> From the wpa_supplicant debug message for wlan0 I could see,
> ----------------------------------------------------------------------------------------------
> Successfully replaced leftover ctrl_iface socket '/var/run/wpa_supplicant/wlan0'
>
> dbus: Register interface object '/fi/w1/wpa_supplicant1/Interfaces/1'
>
> wlan0: Added interface wlan0
>
> wlan0: State: INACTIVE -> DISCONNECTED
>
> nl80211: Set wlan0 operstate 0->0 (DORMANT)
>
>
> But for p2p-dev-wlan0, I couldn’t see any register with dbus object.
> Not sure if this could be the problem?
> -----------------------------------------------------------------------------------------------------
> Successfully replaced leftover ctrl_iface socket
> '/var/run/wpa_supplicant/p2p-dev-wlan0'
>
> P2P: Add operating class 81
>
> P2P: Channels - hexdump(len=11): 01 02 03 04 05 06 07 08 09 0a 0b
>
> P2P: Own listen channel: 81:1
>
> P2P: Random operating channel: 81:11
>
> P2P: initialized
>
> P2P: channels: 81:1,2,3,4,5,6,7,8,9,10,11
>
> P2P: cli_channels:
>
> p2p-dev-wlan0: Added interface p2p-dev-wlan0
>
> p2p-dev-wlan0: State: INACTIVE -> DISCONNECTED
>
> nl80211: Set p2p-dev-wlan0 operstate 0->0 (DORMANT)
>
> netlink: Operstate: ifindex=0 linkmode=-1 (no change), operstate=5
> (IF_OPER_DORMANT)
>
>
> Code from notify.c in wpa_supplicant,
>
> int wpas_notify_iface_added(struct wpa_supplicant *wpa_s)
> {
> if (wpa_s->p2p_mgmt)
> return 0;
>
> if (wpas_dbus_register_iface(wpa_s))
> return -1;
>
> if (wpas_dbus_register_interface(wpa_s))
> return -1;
>
> return 0;
> }
>
> Whats the p2p_mgmt is for?
>
> Regards,
> Johncy.
>
> On 6 November 2015 at 23:37, Dan Williams <dcbw at redhat.com> wrote:
>> On Fri, 2015-11-06 at 23:06 +0530, Johncy Bennette wrote:
>>> Hi,
>>> I am using dbus interface + wpa_supplicant 2.5. My WiFi interface is
>>> working fine. With p2p interface I am facing problems. I invoke my
>>> wpa_supplicant as
>>> wpa_supplicant -iwlan0 -u -B -c/etc/wpa_supplicant.conf
>>> I send the below command to query the available interfaces
>>>
>>> dbus-send --system --print-reply --dest=fi.w1.wpa_supplicant1
>>> /fi/w1/wpa_supplicant1 org.freedesktop.DBus.Properties.Get
>>> string:fi.w1.wpa_supplicant1 string:Interfaces
>>>
>>> But with this my wpa_supplicant gets killed.
>>
>> This indicates that there is a bug in wpa_supplicant 2.5.  Can you run
>> the supplicant under 'gdb' and get a backtrace when it dies in gdb?
>>
>> Dan
>>
>>> With wpa_supplicant 2.1, I get the dbus-send command successfully return
>>>
>>> dbus-send --system --print-reply --dest=fi.w1.wpa_supplicant1
>>> /fi/w1/wpa_supplicant1 org.freedesktop.DBus.Properties.Get
>>> string:fi.w1.wpa_supplicant1 string:Interfaces
>>>
>>> method return sender=:1.5 -> dest=:1.11 reply_serial=2
>>>
>>> variant array [
>>>
>>> object path "/fi/w1/wpa_supplicant1/Interfaces/3"
>>>
>>> object path "/fi/w1/wpa_supplicant1/Interfaces/1"
>>>
>>> ]
>>>
>>> With wpa_supplicant 2.1 the interface for p2p is p2p0. With wpa 2.5,
>>> the p2p-dev-wlan0 is created internally. But the GetInterface API
>>> fails when p2p-dev-wlan0 is given as parameter for GetInterface. All
>>> the p2p_group_add fails either. I am not sure if I am missing any
>>> configuration?
>>>
>>> Attached my wpa_supplicant debug log.
>>>
>>> Regards,
>>>
>>> Johncy.
>>> _______________________________________________
>>> Hostap mailing list
>>> Hostap at lists.infradead.org
>>> http://lists.infradead.org/mailman/listinfo/hostap
>>
>>