Re: Problems with WPA2/AES and Broadcom BCM4318 (AirForce One 54g)

Karl Larsen <k5di@xxxxxxxxxx> · Sun, 08 Jul 2007 15:11:44 -0600

Robert Scheck wrote:
Good evening folks,

I've problems with setting up WPA2/AES at my HP Pavilion ze2000
(EH708EA#ABD) notebook. It's running Fedora 7 with any updates
(2.6.21-1.3228.fc7, i686 architecture). Below are the facts from the
notebook itself and what I already tried.

# lspci | grep Wireless
05:02.0 Network controller: Broadcom Corporation BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller (rev 02)
# 

   OK Great you know what your hardware is.

05:02.0 Network controller: Broadcom Corporation BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller (rev 02)
        Subsystem: Hewlett-Packard Company MX6125
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
        Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
        Latency: 64
        Interrupt: pin A routed to IRQ 3
        Region 0: Memory at c0204000 (32-bit, non-prefetchable) [size=8K]

I installed ndiswrapper via "yum install ndiswrapper kmod-ndiswrapper -y"
from Livna without any error. After that I followed the typical install
method, because the standard bcm43xx-mac80211 kernel module driver doesn't
work for me (I'm not able to enable the kill switch, my notebook provides).

   If I follow this your not able to use the regular Linux software 
that you KNOW will work because it interfers with a kill setup? We 
decided that since Fedora 7 has a nice hibernate function it can't be 
used because no-one knows how to turn the computer back on?
# rmmod bcm43xx-mac80211
#

# echo "blacklist bcm43xx_mac80211" >> /etc/modprobe.d/blacklist
# 

# echo "alias wlan0 ndiswrapper" >> /etc/modprobe.conf
# 

# cd /tmp
# 

# wget -q http://biginoz.free.fr/linux/bcmwl5a.inf
# 

# wget -q http://biginoz.free.fr/linux/bcmwl5.sys
# 

# ndiswrapper -i /tmp/bcmwl5a.inf
installing bcmwl5a ...
forcing parameter IBSSGMode from 0 to 2
forcing parameter IBSSGMode from 0 to 2
# 

# modprobe ndiswrapper
#

# ndiswrapper -l
bcmwl5a : driver installed
        device (14E4:4318) present (alternate driver: bcm43xx-mac80211)
# 

Something from /var/log/messages:
Jul  8 02:09:24 tux kernel: wlan0: ethernet device 00:14:a5:12:c6:d5 using NDIS driver: bcmwl5a, version: 0x3642e00, NDIS version: 0x501, vendor: 'NDIS Network Adapter', 14E4:4318.5.conf
Jul  8 02:09:24 tux kernel: wlan0: encryption modes supported: WEP; TKIP with WPA, WPA2, WPA2PSK; AES/CCMP with WPA, WPA2, WPA2PSK
Jul  8 02:09:24 tux kernel: usbcore: registered new interface driver ndiswrapper

# cat /etc/sysconfig/network-scripts/ifcfg-wlan0
# Please read /usr/share/doc/initscripts-*/sysconfig.txt
# for the documentation of these parameters.
GATEWAY=192.168.0.1
TYPE=Wireless
DEVICE=wlan0
HWADDR=00:14:xx:xx:xx:xx
BOOTPROTO=none
NETMASK=255.255.255.0
DHCP_HOSTNAME=
IPADDR=192.168.0.8
DOMAIN=
ONBOOT=yes
USERCTL=yes
IPV6INIT=yes
PEERDNS=yes
#

# service network restart
Shutting down interface eth0:                              [  OK  ]
Shutting down interface wlan0:                             [  OK  ]
Shutting down loopback interface:                          [  OK  ]
Bringing up loopback interface:                            [  OK  ]
Bringing up interface eth0:                                [  OK  ]
Bringing up interface wlan0:                               [  OK  ]
# 

# cat /etc/wpa_supplicant/wpa_supplicant.conf
ctrl_interface=/var/run/wpa_supplicant
ctrl_interface_group=wheel

network={
        ssid="WLAN"
        key_mgmt=WPA-PSK
        proto=WPA2
        pairwise=CCMP
        group=CCMP
        psk="[...]"
}
#

# service wpa_supplicant restart
Stopping wpa_supplicant:                                   [  OK  ]
Starting wpa_supplicant:                                   [  OK  ]
#

# wpa_cli -i wlan0 get_capability pairwise
CCMP TKIP NONE
#

# wpa_cli -i wlan0 get_capability group
CCMP TKIP WEP104 WEP40
# 

# wpa_cli -i wlan0 get_capability key_mgmt
WPA-PSK WPA-EAP IEEE8021X WPA-NONE NONE
# 

# wpa_cli -i wlan0 get_capability proto
RSN WPA
# 

Looks like proto "WPA2" isn't supported which seems to be the reason that
my WPA2/AES setup doesn't work. Using Windows XP the stuff works...so does
anybody of you have an idea to get WPA2/AES working at Fedora, too?

   I don't. In fact I am not sure WPA2/AES is the proper driver for 
your Hardware. How did you learn this? And what does modprobe call from 
the kernel? You seem to have it in a wrapper.

   Show me that that is right and then proceed.
Oh and WLAN without any encryption works, of course.

   Well then your all set up. Just set up your password(s).

Greetings,
  Robert

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