can't get WPA-PSK working with ipw2100 against linksys WRT54G

Mike Campbell mlcampbell at gmail.com
Tue Jul 5 16:16:04 EDT 2005


On 7/5/2005 2:16 PM, Stefan wrote:
> Mike Campbell wrote:
> 
> 
>>On 7/5/2005 10:42 AM, Jouni Malinen wrote:
>> 
>>
>>
>>>On Tue, Jul 05, 2005 at 10:30:53AM -0500, Mike Campbell wrote:
>>>
>>>
>>>   
>>>
>>>
>>>>I've tried about all I can think of and still can't get a WPA
>>>>connection to work on my Fedora FC4 box. I can get WEP working just
>>>>fine using the ipw2100 drivers but WPA always fails with the same
>>>>error. I have tried version 3.9 and 4.3 but no difference in the
>>>>outcome.
>>>>     
>>>>
>>>
>>>Which version of the ipw2100 driver are you using? You might also
>>>consider testing wpa_supplicant v0.3.8 since ipw driver interface was
>>>changed and the ipw2100/2200 drivers may not be fully in sync with the
>>>driver interface. wpa_supplicant 0.3.9 changes this interface to a newer
>>>one, so if your driver is still using the old version, 0.3.8 may work
>>>better.
>>>
>>>
>>>   
>>>
>>>
>>>>When I run wpa_supplicant I see 2 possible problem areas:
>>>>
>>>>I see the below message repeated 5-6 times each with a different
>>>>key_idx value but always the operation not supported and failed to set
>>>>encryption:
>>>>
>>>>wpa_driver_ipw_set_key: alg=none key_idx=1 set_tx=0 seq_len=0 key_len=0
>>>>ioctl[IPW_IOCTL_WPA_SUPPLICANT]: Operation not supported
>>>>Failed to set encryption.
>>>>     
>>>>
>>>
>>>This is likely to be fine; wpa_supplicant just tries to make sure old
>>>keys are removed and the driver may report that it fails to remove keys
>>>that were not configured in the first place.
>>>
>>>
>>>   
>>>
>>>
>>>>Then later on when it scans the AP's it is not able to find a suitable
>>>>one as I get:
>>>>
>>>>Received 781 bytes of scan results (4 BSSes)
>>>>Scan results: 4
>>>>Selecting BSS from priority group 5
>>>>0: 00:13:10:32:af:21 ssid='MCAMPBELL' wpa_ie_len=0 rsn_ie_len=0 caps=0x11
>>>> skip - no WPA/RSN IE
>>>>     
>>>>
>>>
>>>   
>>>
>>>
>>>>For some reason the wpa_ie_len and rsn_ie_len is 0 for all found AP.
>>>>     
>>>>
>>>
>>>This is more serious issue. It looks like the driver does not report
>>>that the AP is using WPA. Unless you are already using the latest
>>>version of the driver, I would recommend updating it first.
>>>   
>>>
> 
> Did you read that on the ipw2100 site?
> 
> http://ipw2100.sourceforge.net/
> 
> They are mentioning, that the latest 1.1.0 is not working with the
> latest wpa_supplicant and they offer a patch.
> Also there is a little shell skript on that page that is supposed to
> help you setup your box.
> 
> 
>>>   
>>>
>>
>>Sorry about replying in html format earlier. I've resent my previous 
>>update in text only mode:
>>
>>I already had the latest ipw2100 files - driver is 1.1.0 and the
>>firmware is 0.55. I took your suggestion and went and downloaded and
>>compile the wpa_supplicant 0.38 and still have the same problem. No
>>difference in the output.
>>
>>The odd part is that all detected AP's have the 0 length for the wpa_ie
>>and rsn_ie. What do these values mean? What would be expected here?
>>
>>Thanks
>>_______________________________________________
>>HostAP mailing list
>>HostAP at shmoo.com
>>http://lists.shmoo.com/mailman/listinfo/hostap
>>
>> 
>>
> 
> 
> 
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> 
Yeah I've been down that road. I've tried the patch and even the older 
0.38 version. No luck anywhere.



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