Setting up Wireless(2) | Gentoo

I am using Gentoo and eth0 works fine when plugged in, but I have no idea how to set up my wireless.

/etc/wicd/wireless-settings.conf is empty.

Here is the contents of /etc/wpa_supplicant/wpa_supplicant.conf : http://pastebin.com/cfJSGUKH


# ifconfig -a
eth0      Link encap:Ethernet  HWaddr 00:25:64:4d:86:37
          inet addr:192.168.0.5  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe80::225:64ff:fe4d:8637/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:8152381 errors:0 dropped:1310 overruns:0 frame:0
          TX packets:7165679 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:2120259049 (1.9 GiB)  TX bytes:8652916050 (8.0 GiB)
          Interrupt:18

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:1510 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1510 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:170692 (166.6 KiB)  TX bytes:170692 (166.6 KiB)

wlan0     Link encap:Ethernet  HWaddr 00:22:5f:eb:6d:30
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

# iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

wlan0     IEEE 802.11bg  ESSID:off/any
          Mode:Managed  Access Point: Not-Associated   Tx-Power=off
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off


# ifconfig wlan0 up

# iw dev wlan0 scan
command failed: Network is down (-100)

# lspci
00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 07)
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 03)
00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 03)
00:1a.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 03)
00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 03)
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 03)
00:1c.1 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 (rev 03)
00:1c.2 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 3 (rev 03)
00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 (rev 03)
00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 03)
00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 03)
00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 03)
00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93)
00:1f.0 ISA bridge: Intel Corporation ICH9M LPC Interface Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation ICH9M/M-E SATA AHCI Controller (rev 03)
00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 03)
09:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8040 PCI-E Fast Ethernet Controller (rev 13)
0c:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g (rev 01)

# wpa_supplicant -Dwext -iwlan0 -c/etc/wpa_supplicant/wpa_supplicant.conf
Line 1: unknown global field 'ctrl_interface = /var/run/wpa_supplicant'.
Line 1: Invalid configuration line 'ctrl_interface = /var/run/wpa_supplicant'.
Line 2: unknown global field 'ctrl_interface_group = 0'.
Line 2: Invalid configuration line 'ctrl_interface_group = 0'.
Line 3: unknown global field 'ap_scan = 1'.
Line 3: Invalid configuration line 'ap_scan = 1'.
Line 6: unknown global field 'network = {'.
Line 6: Invalid configuration line 'network = {'.
Line 7: unknown global field 'ssid = "virginmedia0217907"'.
Line 7: Invalid configuration line 'ssid = "virginmedia0217907"'.
Line 8: unknown global field 'psk = "MYPASSPHRASE"'.
Line 8: Invalid configuration line 'psk = "MYPASSPHRASE"'.
Line 9: unknown global field 'proto = WPA2'.
Line 9: Invalid configuration line 'proto = WPA2'.
Line 10: unknown global field 'key_mgmt = WPA-PSK'.
Line 10: Invalid configuration line 'key_mgmt = WPA-PSK'.
Line 11: unknown global field 'pairwise = CCMP'.
Line 11: Invalid configuration line 'pairwise = CCMP'.
Line 12: unknown global field 'group = CCMP'.
Line 12: Invalid configuration line 'group = CCMP'.
Line 13: unknown global field 'priority = 5'.
Line 13: Invalid configuration line 'priority = 5'.
Line 14: unknown global field '}'.
Line 14: Invalid configuration line '}'.
Failed to read or parse configuration '/etc/wpa_supplicant/wpa_supplicant.conf'.