how to implement the concurrent operation

Simon mengxipeng at gmail.com
Wed Mar 16 06:48:27 EDT 2011


thank you a lot

Meng Xipeng
Software Engineer
moore chip Technology
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On Wed, Mar 16, 2011 at 5:49 PM, Jouni Malinen <j at w1.fi> wrote:
> On Wed, Mar 16, 2011 at 03:29:07AM +0800, Simon wrote:
>> 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.
>
> The spec allows this and wpa_supplicant supports it. Whether the driver
> you are using does is another question. You will need to have
> driver_param=use_p2p_group_interface=1 in the wpa_supplicant
> configuration file to enable use of separate group interfaces. Without
> that, only a single group can be created.
>
> For example, here's a test with two groups being created:
>
>> p2p_group_add
> OK
> <3>P2P-GROUP-STARTED p2p-wlan0-0 GO ssid="DIRECT-8t" freq=2412
> passphrase="SCqryLcM" go_dev_addr=00:22:68:ac:bc:bd
> <3>CTRL-EVENT-SCAN-RESULTS
>>
>> p2p_group_add
> OK
> <3>P2P-GROUP-STARTED p2p-wlan0-1 GO ssid="DIRECT-9k" freq=2412
> passphrase="S4KvbgCH" go_dev_addr=00:22:68:ac:bc:bd
> <3>CTRL-EVENT-SCAN-RESULTS
>
>
>> 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.
>
> You will need to run this command on the control interface of the group
> interface:
>
> $ ./wpa_cli -ip2p-wlan0-0 p2p_get_passphrase
> SCqryLcM
>
> ./wpa_cli -ip2p-wlan0-1 p2p_get_passphrase
> S4KvbgCH
>
> --
> Jouni Malinen                                            PGP id EFC895FA
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