Re: change wpa-psk authentication timeout

[Howard Chu <hyc symas com>]

tommy.hong wrote:
> hi,howard!i have reconfirm,it is wpa_supplicant 0.6.7 !
> do "iwlist ra0 scanning" also need a lot of time?

Doesn't seem to be very slow, maybe 2-3 seconds.
> 
> tommy
> 
> 
> 
> ÔÚ2009-11-10 16:46:43£¬"Howard Chu" <hyc symas com> дµÀ£º
>>tommy.hong wrote:
>>> 
>>> hi,howard!
>>> i met similar problem a few days ago,the same chip ,rt3070!
>>> 
>>> My networkmanager is 0.7.1,original wpa_supplicant is 0.5.8,when i
>>> update wpa_supplicant to 0.6.3 ,it is OK!
>>
>>Thanks for that info. Strange though, my wpa_supplicant is 0.6.7. I wonder
>>what differences there are between that and 0.6.3, will have to look at the
>>diff later.
>>> 
>>> 
>>> ÔÚ2009-11-10 16:25:25£¬"Howard Chu" <hyc symas com> дµÀ£º
>>>>> Date: Mon, 09 Nov 2009 23:15:04 -0800
>>>>> From: Dan Williams <dcbw redhat com>
>>>>
>>>>> On Fri, 2009-11-06 at 18:59 +0100, Fabio Airoldi wrote:
>>>>>> > I have an authentication timeout when connecting to my wireless network.
>>>>>> > However if I move closer to the AP I can connect without problems, and
>>>>>> > even if I go back to my desk the connection doesn't drop.
>>>>>> > 
>>>>>> > I am using networkmanager v 0.7.1 on fedora 11 (kernel 2.6.30.9). I
>>>>>> > tried setting iwlagn parameters (disable_hw_scan, sw_crypto ... almost
>>>>>> > every combination possible) but nothing changed.
>>>>>> > 
>>>>>> > Is it possible to increase the authentication timeout? Maybe this is a
>>>>>> > dumb question but I wasn't able to find any documentation about
>>>>>> > timeouts.
>>>>
>>>>> The full WPA connection timeout for NM is about 30 seconds.  That's
>>>>> usually plenty of time for the supplicant to scan, find the AP, initiate
>>>>> the 4-way handshake, and finish it, *especially* for WPA.  I'm very
>>>>> curious about why your setup is taking longer.  You can put the option
>>>>> "-dddt" into
>>>>> your /usr/share/dbus-1/system-services/fi.epitest.hostap.WPASupplicant.service file at teh end of the "Exec=" line, then 'killall -TERM wpa_supplicant', then attempt to reproduce the issue, and mail me /var/log/wpa_supplicant.log so we can see what's going on.
>>>>
>>>>I'll note that wpa_supplicant itself uses a timeout of 70 seconds for WPA
>>>>authentication. You can see this if you monitor the supplicant using wpa_cli
>>>>while the supplicant authenticates.
>>>>
>>>>As another data point, on my AI TouchBook with RAlink RT3070, it frequently
>>>>takes much longer than 30 seconds to authenticate to my WPA-EAP network. I
>>>>don't know that there's any specific reason other than that there's a lot of
>>>>other networks in the neighborhood and a lot of interference.

-- 
  -- Howard Chu
  CTO, Symas Corp.           http://www.symas.com
  Director, Highland Sun     http://highlandsun.com/hyc/
  Chief Architect, OpenLDAP  http://www.openldap.org/project/