libertas: deautentification from AP

[Dan Williams]

On Tue, 2011-01-25 at 19:16 +0500, 237 Rumjantsev Egor (PROG) wrote:
> Hello.
> We have an embedded board based on Voipac PXA270 SODIMM module with 
> Linux 2.6.34.6.
> We use SDIO WiFi modem on Marvell 8686 as wireless interface with 
> following firmware version:
> libertas: 00:01:36:1f:23:04, fw 9.70.3p36, cap 0x00000303
> 
> After connecting to AP i have following output iwconfig:
> 
> [root at Tomb /root]#iwconfig
> lo        no wireless extensions.
> 
> eth0      no wireless extensions.
> 
> wlan0     IEEE 802.11b/g  ESSID:"HPG_NETWORK"
>            Mode:Managed  Frequency:2.417 GHz  Access Point: 
> 00:21:29:8A:E3:BE
>            Bit Rate=2 Mb/s   Tx-Power=16 dBm
>            Retry short limit:8   RTS thr=2347 B   Fragment thr=2346 B
>            Encryption key:off
>            Power Management:off
>            Link Quality=87/100  Signal level=-56 dBm  Noise level=-93 dBm
>            Rx invalid nwid:0  Rx invalid crypt:177  Rx invalid frag:0
>            Tx excessive retries:1  Invalid misc:1   Missed beacon:0
> 
> After about 2-5 minutes modem has lost connection with AP.
> Here is debug output:
> 
> libertas sdio: interrupt: 0x1
> libertas sdio: packet of type 0 and size 233 bytes
> libertas sdio: interrupt: 0x1
> libertas sdio: packet of type 0 and size 206 bytes
> libertas sdio: interrupt: 0x1
> libertas sdio: packet of type 0 and size 74 bytes
> libertas sdio: interrupt: 0x1
> libertas sdio: packet of type 0 and size 233 bytes
> libertas sdio: interrupt: 0x1
> libertas sdio: packet of type 0 and size 206 bytes
> libertas sdio: interrupt: 0x1
> libertas sdio: packet of type 0 and size 233 bytes
> libertas sdio: interrupt: 0x1
> libertas sdio: packet of type 0 and size 206 bytes
> libertas sdio: interrupt: 0x1
> libertas sdio: packet of type 0 and size 233 bytes
> libertas sdio: interrupt: 0x1
> libertas sdio: packet of type 0 and size 206 bytes
> libertas sdio: interrupt: 0x1
> libertas sdio: packet of type 0 and size 233 bytes
> libertas sdio: interrupt: 0x1
> libertas sdio: packet of type 3 and size 16 bytes
> libertas sdio: packet fragment (16 < 32)
> libertas cmd: EVENT: deauthenticated

Hmm; we'll have to add some code to figure out what the actual IEEE
80211 result code is here to find out why you got deauthenticated.  If
you're up for editing stuff, can you apply the following patch and
rebuild and see what the reason code actually is?

Dan

> Is this problem appears because my AP settings wrong or problem is 
> somewhere in libertas driver?
> I've tried different versions of firmware and it hasn't helped.
> 
> Best Regards!
> 

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