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Date: Fri, 10 Jun 2016 17:37:10 +0200
From: Vincent CESSON <vincent.cesson@smile.fr>
To: <linux-wireless@vger.kernel.org>
Subject: =?UTF-8?Q?mwifiex+wpa=5Fsupplicant=20cannot=20set=20up=20WPA/WPA?=
 =?UTF-8?Q?=32=20ADHOC?=
Message-ID: <4eed6159efdc3f86e4f549bb31ce6a74@smile.fr> (sfid-20160610_174332_596511_E6C03A77)
Sender: linux-wireless-owner@vger.kernel.org

Dear all,

I need to set a secured Adhoc network using WPA or WPA2 on my embedded 
device (linux 3.10, mwifiex backported 4.1.1, wpa_supplicant 2.5 (with 
CONFIG_IBSS_RSN=y), hostap 2.5). I tried the following configs:

WPA-NONE:
I start a WPA-NONE Adhoc with wpa_supplicant on the embedded device 
(see wpa_supplicant-wpa-none.conf + wpa_supplicant-wpa-none.log). Then 
from my computer (Ubuntu 14.04), I managed to join the network and ping 
the device without setting any password! The connection is not secured.

WPA-PSK:
I also tried WPA-RSN (see wpa_supplicant-rsn.conf + 
wpa_supplicant-rsn.log). As you can see in log file, the 4Way-Handshake 
is completed. But after some seconds, the log shows a timeout and an 
authentication failure. The device and my computer are connected to the 
same network and they share the same BSS, but ping always fails. Note 
that if I set a bad password on computer side, the handshake never 
completes.

dmesg does not show any error.
WEP works fine.

Any idea of what could be wrong?

Thank you,
Vincent