The channel/frequency reporting by iwlwifi is incompatible with
wpa_supplicant for 5GHz (802.11A) channels. Version numbers and iwlist
versus wpa_supplicant scan results are below. Association still works if
the correct channel is specified using iwconfig, but that is
incompatible with roaming.
--
Dr. Vincent C. Jones, PE
Networking Unlimited, Inc.
Phone: +1 201 568-7810
V.Jones@xxxxxxxxxxxxxxxxxxxxxxx
X61:~ # modinfo iwl4965
filename: /lib/modules/2.6.26-rc1-test/kernel/drivers/net/wireless/iwlwifi/iwl4965.ko
license: GPL
author: Copyright(c) 2003-2008 Intel Corporation
version: 1.2.26ks
description: Intel(R) Wireless WiFi Link 4965AGN driver for Linux
srcversion: 9D17B36AB629BB7D6073C31
alias: pci:v00008086d00004230sv*sd*bc*sc*i*
alias: pci:v00008086d00004229sv*sd*bc*sc*i*
depends: mac80211,iwlcore,cfg80211,firmware_class
vermagic: 2.6.26-rc1-test SMP mod_unload
parm: antenna:select antenna (1=Main, 2=Aux, default 0 [both])
(int)
parm: disable:manually disable the radio (default 0 [radio
on]) (int)
parm: swcrypto:using crypto in software (default 0 [hardware])
(int)
parm: debug:debug output mask (int)
parm: disable_hw_scan:disable hardware scanning (default 0)
(int)
parm: queues_num:number of hw queues. (int)
parm: qos_enable:enable all QoS functionality (int)
parm: amsdu_size_8K:enable 8K amsdu size (int)
X61:~ # wpa_supplicant -v
wpa_supplicant v0.6.3
Copyright (c) 2003-2008, Jouni Malinen <j@xxxxx> and contributors
X61:~ # iwconfig -v
iwconfig Wireless-Tools version 29
Compatible with Wireless Extension v11 to v22.
Kernel Currently compiled with Wireless Extension v22.
wlan0 Recommend Wireless Extension v21 or later,
Currently compiled with Wireless Extension v22.
X61:~ # uname -a
Linux X61 2.6.26-rc1-test #2 SMP Fri May 9 09:00:30 EDT 2008 x86_64
x86_64 x86_64 GNU/Linux
X61:~ # iwlist wlan0 scan
wlan0 Scan completed :
Cell 01 - Address: 00:14:BF:96:98:BF
ESSID:"linksys"
Mode:Master
Frequency:2.437 GHz (Channel 6)
Channel:6
Quality=24/100 Signal level=-94 dBm Noise
level=-127 dBm
Encryption key:off
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=000000ae75798185
Cell 02 - Address: 00:1E:2A:6C:93:D9
ESSID:"NetworkingUnlimited-G"
Mode:Master
Frequency:2.462 GHz (Channel 11)
Channel:11
Quality=38/100 Signal level=-86 dBm Noise
level=-127 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
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=0000019d354e1183
Cell 03 - Address: 00:1A:C1:8A:23:40
ESSID:"NetworkingUnlimited"
Mode:Master
Frequency:5.24 GHz (Channel 48)
Channel:48
Quality=100/100 Signal level=-46 dBm Noise
level=-94 dBm
Encryption key:on
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
Preauthentication Supported
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
36 Mb/s; 48 Mb/s; 54 Mb/s
Extra:tsf=000000dc34bf7037
X61:~ # wpa_cli -i wlan0
wpa_cli v0.6.3
Copyright (c) 2004-2008, Jouni Malinen <j@xxxxx> and contributors
This program is free software. You can distribute it and/or modify it
under the terms of the GNU General Public License version 2.
Alternatively, this software may be distributed under the terms of the
BSD license. See README and COPYING for more details.
Interactive mode
> scan
OK
<2>CTRL-EVENT-SCAN-RESULTS
> scan_results
bssid / frequency / signal level / flags / ssid
00:1a:c1:8a:23:40 0 202 [WPA-PSK-TKIP
+CCMP][WPA2-PSK-TKIP+CCMP-preauth] NetworkingUnlimited
00:1e:2a:6c:93:d9 2462 168 [WPA-PSK-TKIP
+CCMP][WPA2-PSK-TKIP+CCMP]NetworkingUnlimited-G
00:14:bf:96:98:bf 2437 167 linksys
> quit
X61:~ #
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