wpa_supplicant: WPS Support-WSC_NACK packets

[raghunathan.kailasanathan at wipro.com]

>Did you check which Configuration Error value is used in the WSC_NACK
>message?
In this case, Configuration error shows "No Error". Are there any other possibilities for router 
to return a NACK even in case of no configuration error ?

One thing we noticed was that our device (with a 120MHz CPU) is taking a long time to reply to process M2
and generate M3 (about 15 secs)- in the meantime the router sends six M2 messages and then a NACK. Is that 
a timeout situation happening ? Is there a time limit within which a message from registrar has to be 
responded by enrollee ?

Regards
Raghu 

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