Message-ID: <1ba2fa240803050701y57913de2s635eaf8b5e3b4f96@mail.gmail.com> (sfid-20080305_150208_681695_7CD759B7)
Date: Wed, 5 Mar 2008 17:01:35 +0200
From: "Tomas Winkler" <tomasw@gmail.com>
To: "Helge Hafting" <helge.hafting@aitel.hist.no>
Subject: Re: [PATCH] mac80211: fix races between siwessid and siwencode
Cc: "Joonwoo Park" <joonwpark81@gmail.com>, linville@tuxdriver.com,
	linux-wireless@vger.kernel.org
In-Reply-To: <47CEA5CB.6040001@aitel.hist.no>
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References: <1204710009-10040-1-git-send-email-joonwpark81@gmail.com>
	 <20080305094859.GA10077@ehus.geninetworks.com>
	 <47CEA5CB.6040001@aitel.hist.no>
Sender: linux-wireless-owner@vger.kernel.org

On Wed, Mar 5, 2008 at 3:53 PM, Helge Hafting
<helge.hafting@aitel.hist.no> wrote:
> Joonwoo Park wrote:
>  > On Wed, Mar 05, 2008 at 06:40:09PM +0900, Joonwoo Park wrote:
>  >
>  >> resolve: http://bughost.org/bugzilla/show_bug.cgi?id=1522
>  >>
>  >> The function ieee80211_ioctl_siwencode shouldn't be called if
>  >> authentication process is not completed.
>  >> This patch makes the ieee80211_ioctl_siwessid to wait for authentication
>  >> is completed.
>  >>
>  >> Signed-off-by: Joonwoo Park <joonwpark81@gmail.com>
>  >>
>  >
>  > Helge,
>  >
>  > Can you please try this patch?
>  > I believe this patch helps your problem.
>  >
>  I tried it, and still have problems. The messages may be slightly different:
>
>  I first bring up the interface with "ifconfig wlan0 up"
>  and then try "iwconfig wlan0 essid my_essid key s:password"
>  over and over till it works. This gave me:
>
>  Initial auth_alg=0
>  wlan0: authenticate with AP 00:14:1b:5e:13:40
>  wlan0: authenticate with AP 00:14:1b:5e:13:40
>  wlan0: authenticate with AP 00:14:1b:5e:13:40
>  wlan0: authentication with AP 00:14:1b:5e:13:40 timed out
>
>  A total of 5 tries went wrong. The sixth time it worked, with
>  different messages and a different access point.
>  (There are several access points at work.)
>  Initial auth_alg=0
>  wlan0: authenticate with AP 00:12:7f:ce:9c:e0
>  wlan0: RX authentication from 00:12:7f:ce:9c:e0 (alg=0 transaction=2
>  status=0)
>  wlan0: authenticated
>  wlan0: associate with AP 00:12:7f:ce:9c:e0 (capab=0x431 status=0 aid=242)
>  wlan0: associated
>  wlan0: CTS protection enabled (BSSID=00:12:7f:ce:9c:e0)
>  wlan0: switched to long barker preamble (BSSID=BSSID=00:12:7f:ce:9c:e0)
>  wlan0: WMM queue=2 aci=0 acm=0 aifs=3 cWmin=15 cWmax=1023 burst=0
>  wlan0: WMM queue=3 aci=1 acm=0 aifs=7 cWmin=15 cWmax=1023 burst=0
>  wlan0: WMM queue=1 aci=2 acm=0 aifs=2 cWmin=7 cWmax=15 burst=30
>  wlan0: WMM queue=0 aci=3 acm=0 aifs=2 cWmin=3 cWmax=7 burst=15
>  wlan0: link becomes ready
>
>
>  Only 6 attempts is an improvement, if it stays that way.  Still, the
>  old ipw3945 succeeded on first try. :-/
>  I hope the testing can be of help.
>
>  Helge Hafting
>
>
>
Is this shared or open authentication?
Do you happend to have a sniff capture of the association ?
>
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