From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Koan Date: Thu, 15 Jan 2009 01:12:01 +1100 Subject: [ath9k-devel] WMP300N - Authen but no Assoc In-Reply-To: <1231941463.1126.6.camel@jm-desktop> References: <1231941463.1126.6.camel@jm-desktop> Message-ID: <496DF2B1.1040606@airbred.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org Jouni Malinen wrote: > On Wed, 2009-01-14 at 05:24 -0800, Paul Koan wrote: > >> I am using a Linksys WMP300N (AR5146 + AR2133, 168c:0023) with a WRT610N access point. The access point is set to N only, using WPA2-Personal. >> > > It would be interesting to understand how exactly the AP is enforcing > the "N only" part taken into account the error you are seeing.. > > This isn't clear, but I'll try "mixed" mode to see if there is a difference - my intent to was to narrow the focus. >> With a stock 2.6.27-r7 kernel ath9k driver, I am able to connect to the AP using wpa_supplicant, using the config below. The speed is not particularly good, perhaps 2-4Mbps. >> > > Does this association work every time (i.e., you do not see that "AP > denied association (code=18)" message)? > I did a scan through log/messages, and I don't see the error when using the stock kernel. > >> I have tried a variety of combinations of wireless-testing and wireless-compat since, and each of them seem to give the same problem, so I think I may be missing something in my config. Hopefully someone here can help. >> >> My latest attempt was with the above kernel, and with compat 2009-01-12. >> >> The card fails to associate - I get (repeated endlessly) in dmesg: >> > > Does this happen every time (i.e., you can never associate with this > kernel/driver version)? > > Thats right - at least, I have never seen any evidence of an association. >> wlan1: AP denied association (code=18) >> > > That indicates that the AP is rejecting the attempted association and > the given reason (code=18) indicates that the STA did not support all > rates in the basic rate set. This should not really happen, so I'm not > sure what exactly the AP is trying to do here.. > > If you have possibility of using a wireless sniffer to capture the > management frames exchanged between the AP and the client using ath9k, > it would be very helpful to see what is included in the association > request and response frames. It would also be useful to see what the AP > is advertising in its Beacon/Probe Response frames. Could you please at > least send "iwlist wlan0 scan" output for the AP (replace "wlan0" with > suitable interface name, if needed) from the client? > > Yeah - if the "N-Only" enforcement is a fudge, then perhaps this is contributing to the problem. Here is the iwlist: Cell 02 - Address: 00:22:6B:68:B0:5C ESSID:"essid2ghz" Mode:Master Channel:6 Frequency:2.437 GHz (Channel 6) Quality=85/100 Signal level:-40 dBm Noise level=-95 dBm Encryption key:on IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK IE: Unknown: 2D1A0C181AFFFF000000000000000000000000000000000000000000 Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s 24 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 9 Mb/s 12 Mb/s; 48 Mb/s Extra:tsf=000001ee34a1f8c5 Extra: Last beacon: 270ms ago It certainly doesn't list anything quicker than G speeds. >> Here is the wpa_supplicant.conf: >> >> network={ >> ssid="essid5ghz" >> psk="secret" >> proto=RSN >> key_mgmt=WPA-PSK >> pairwise=TKIP CCMP >> > > If you are using 802.11n only configuration, I would highly recommend > removing TKIP from the list of allowed pairwise ciphers. It is not > allowed when 802.11n is used (TKIP may end up being used for > group/broadcast frames, but not for pairwise) and can cause various > problems that may be otherwise difficult to identify. > Thanks - I'll turn it off... > - Jouni > > > -- *email: paul at airbred.com | msn: paul at airbred.com | gtalk: paul at g.airbred.com | skype: paulkoan | y!: paulxkoan | blog: http://www.servwise.com/blog-paul* ------------------------------------------------------------------------ *ServWise Advanced Hosting www.servwise.com *Standard and Reseller web hosting on Windows and Linux* *