how to implement the concurrent operation

Simon mengxipeng at gmail.com
Tue Mar 15 15:29:07 EDT 2011


thank you very much, i finally made it ,

and i still have another issue:   could we create multi groups with
wpa_supplicant?
i tried, but i got  a "FAIL" when i create the second group with the
command " p2p_group_add "
I don't know if my program is not right , maybe the spec does not
allow one to create multiple group.

assume I could create 2 group,  "Direct-aa" or "Direct-bb", when I
execute the command "p2p_get_passphrase" , which group's passphrase i
will get? i noticed the p2p_get_pssphrase command have no parameters
to set the group name.

thank you again.

have a great day.

Meng Xipeng
Software Engineer
moore chip Technology
Mobile:+86-1353-785-3751
E-mail:mengxipeng at gmail.com
MSN:meng_xi_peng at hotmail.com
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Web Site:http://www.moorechip.com

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On Tue, Mar 15, 2011 at 8:57 PM, Jouni Malinen <j at w1.fi> wrote:
> On Wed, Mar 09, 2011 at 10:04:10PM +0800, Simon wrote:
>> I'm doing some experiences with newest wpa_supplicant,
>> I wonder  how could I implement a p2p concurrent device
>> I read the p2p spec,  it say " the concurrent operation requires a
>> device to support multiple mac entities ", my wlan ic is the AR928x,
>> is this such device? could i implement a p2p device with this ic?
>
> There is some preliminary code for support concurrent operations, but it
> should be noted that this is limited to a single channel at this point.
> By default, the nl80211 driver wrapper in wpa_supplicant disables the
> concurrent mode and use of a separate group interfaces. You can enable
> them for experimentation by adding the following line into
> wpa_supplicant.conf:
>
> driver_param=use_p2p_group_interface=1
>
> --
> Jouni Malinen                                            PGP id EFC895FA
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