02-23-2009
if you're running wireless and trying to connect to an unencrypted network, try this in your /etc/rc.conf
ifconfig_ath0="up"
you would replace ath0 with your detected wifi device (try dmesg |less for this) - you can try rebooting, or /etc/rc.d/netif restart to get it to latch on once you do this. for a WEP network, try (/etc/rc.conf again)
ifconfig_ath0="ssid SSID wepmode mixed weptxkey 1 wepkey KEY DHCP"
where SSID is, that's right, your ssid and KEY is your WEP key. use 0x at the beginning of the key for hex or nothing preceding for ascii.
to retry your device connection, try this simple script:
#!/bin/sh
rm /var/db/dhcli*lease*ath0
ifconfig ath0 down
ifconfig ath0 up
dhclient ath0
if these answers don't help, it's time to read the freebsd handbook. check out /usr/share/doc/en/books/handbook and look for the network-wireless chapter.
best of luck.
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WPI(4) BSD Kernel Interfaces Manual WPI(4)
NAME
wpi -- Intel 3945ABG Wireless LAN IEEE 802.11 driver
SYNOPSIS
To compile this driver into the kernel, place the following lines in your kernel configuration file:
device wpi
device wpifw
device pci
device wlan
device wlan_amrr
device firmware
Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):
if_wpi_load="YES"
DESCRIPTION
The wpi driver provides support for the Intel 3945ABG Wireless network adapter. wpi supports station, adhoc, and monitor mode operation.
Only one virtual interface may be configured at any time. For more information on configuring this device, see ifconfig(8).
This driver requires the firmware built with the wpifw module to work.
FILES
/usr/share/doc/legal/intel_wpi/LICENSE wpi firmware license
EXAMPLES
Join an existing BSS network (i.e., connect to an access point):
ifconfig wlan0 create wlandev wpi0 inet 192.168.0.20
netmask 0xffffff00
Join a specific BSS network with network name ``my_net'':
ifconfig wlan0 create wlandev wpi0 ssid my_net up
Join a specific BSS network with 64-bit WEP encryption:
ifconfig wlan0 create wlandev wpi0 ssid my_net
wepmode on wepkey 0x1234567890 weptxkey 1 up
Join a specific BSS network with 128-bit WEP encryption:
ifconfig wlan0 create wlandev wpi0 wlanmode adhoc ssid my_net
wepmode on wepkey 0x01020304050607080910111213 weptxkey 1
DIAGNOSTICS
wpi%d: could not load firmware image '%s' The driver failed to load the firmware image using the firmware(9) subsystem. Verify the wpifw
firmware module is installed.
wpi%d: fatal firmware error An unknown error has occurred in the uploaded firmware, you may have to unload/reload the driver to continue.
wpi%d: Radio transmitter is switched off The hardware switch controlling the radio is currently turned off. Data transmission is not possi-
ble in this state.
SEE ALSO
pci(4), wlan(4), wlan_ccmp(4), wlan_tkip(4), wlan_wep(4), wpifw(4), ifconfig(8), wpa_supplicant(8)
AUTHORS
The original wpi driver was written for OpenBSD by Damien Bergamini <damien.bergamini@free.fr>. Benjamin Close <benjsc@FreeBSD.org> ported
wpi to FreeBSD.
BUGS
Not all the error messages are documented here.
Background scanning is not currently supported.
BSD
October 5, 2008 BSD