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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 pci
           device wlan
           device wlan_amrr
           device firmware

     Alternatively, to load the driver as a module at boot time, place the
     following lines in loader.conf(5):

           if_wpi_load="YES"
           wlan_load="YES"
           wlan_amrr_load="YES"
           firmware_load="YES"

     In both cases, place the following line in loader.conf(5) to load the
     firmware modules:

           wpifw_load="YES"

DESCRIPTION

     The wpi driver is an experimental driver providing support for the Intel
     3945ABG Wireless network adapter

     By default, the wpi driver configures the adapter for BSS operation (aka
     infrastructure mode).  This mode requires the use of an access point.

     For more information on configuring this device, see ifconfig(8).

     This driver requires firmware to be loaded before it will work.  For the
     loaded firmware to work the license at
     /usr/share/doc/legal/intel_wpi/LICENSE must be agreed to and the
     following line be added to loader.conf(5):

           legal.intel_wpi.license_ack=1

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 wpi0 inet 192.168.0.20 netmask 0xffffff00

     Join a specific BSS network with network name “my_net”:

           ifconfig wpi0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net

     Join a specific BSS network with 40-bit WEP encryption:

           ifconfig wpi0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net \
               wepmode on wepkey 0x1234567890 weptxkey 1

     Join a specific BSS network with 104-bit WEP encryption:

           ifconfig wpi0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net \
               wepmode on wepkey 0x01020304050607080910111213 weptxkey 1

DIAGNOSTICS

     firmware(9) subsystem.  Verify that the necessary firmware modules are
     loaded and the license agreement loader(8) tunable has been set.

     wpi%d: could not load firmware  An attempt to upload the firmware image
     to the onboard microcontroller failed.  This should not happen.

     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 possible in
     this state.

BUGS

     Not all the error messages are documented here.

     Automatic recovery of firmware failures is not currently supported, nor
     is detection of toggling the radio switch on.

     Background scanning is not currently supported.

SEE ALSO

     altq(4), ipw(4), iwi(4), pci(4), wlan(4), ifconfig(8)

AUTHORS

     The wpi driver was written by Damien Bergamini 〈damien.bergamini@free.fr〉
     and Benjamin Close 〈benjsc@FreeBSD.org〉.