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NAME

     uath — Atheros USB IEEE 802.11a/b/g wireless network device

SYNOPSIS

     To compile this driver into the kernel, place the following lines in your kernel
     configuration file:

           device ehci
           device uhci
           device ohci
           device usb
           device uath
           device wlan

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

           if_uath_load="YES"

DESCRIPTION

     The uath driver supports USB 2.0 wireless network devices based on Atheros Communications
     fifth generation AR5005UG and AR5005UX chipsets.

     The AR5005UG chipset is made of an AR5523 multiprotocol MAC/baseband processor and an AR2112
     Radio-on-a-Chip that can operate between 2300 and 2500 MHz (802.11b/g).

     The AR5005UX chipset is made of an AR5523 multiprotocol MAC/baseband processor and an AR5112
     dual band Radio-on-a-Chip that can operate between 2300 and 2500 MHz (802.11b/g) or 4900 and
     5850 MHz (802.11a).

     The AR5005UG and AR5005UX chipsets both have an integrated 32-bit MIPS R4000-class processor
     that runs a firmware and manages, among other things, the automatic control of the transmit
     rate and the calibration of the radio.

     uath supports station, and monitor mode operation.  Only one virtual interface may be
     configured at any time.  For more information on configuring this device, see ifconfig(8).

FIRMWARE

     uath requires firmware that is downloaded to the device.  This is normally done by the
     uathload(8) utility that is launched by devd(8) when the device is inserted.  uathload
     includes the firmware in the binary program.  This firmware is licensed for general use and
     is included in the base system.

HARDWARE

     The uath driver should work with the following adapters:

     Adapter                              Chipset
     Compex WLU108AG                      AR5005UX
     Compex WLU108G                       AR5005UG
     D-Link DWL-G132                      AR5005UG
     IODATA WN-G54/US                     AR5005UG
     MELCO WLI-U2-KAMG54                  AR5005UX
     Netgear WG111T                       AR5005UG
     Netgear WG111U                       AR5005UX
     Netgear WPN111                       AR5005UG
     Olitec 000544                        AR5005UG
     PLANET WDL-U357                      AR5005UX
     Siemens Gigaset 108                  AR5005UG
     SMC SMCWUSBT-G                       AR5005UG
     SMC SMCWUSBT-G2                      AR5005UG
     SparkLAN WL-785A                     AR5005UX
     TP-Link TL-WN620G                    AR5005UG
     TRENDware International TEW-444UB    AR5005UG
     TRENDware International TEW-504UB    AR5005UX
     Unex Technology UR054ag              AR5005UX
     ZyXEL XtremeMIMO M-202               AR5005UX

     An up to date list can be found at
     http://customerproducts.atheros.com/customerproducts/default.asp.

EXAMPLES

     Join an existing BSS network (i.e., connect to an access point):

           ifconfig wlan create wlandev uath0 inet 192.168.0.20 \
               netmask 0xffffff00

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

           ifconfig wlan create wlandev uath0 ssid my_net up

     Join a specific BSS network with 64-bit WEP encryption:

           ifconfig wlan create wlandev uath0 ssid my_net \
                   wepmode on wepkey 0x1234567890 weptxkey 1 up

     Join a specific BSS network with 128-bit WEP encryption:

           ifconfig wlan create wlandev uath0 wlanmode adhoc ssid my_net \
               wepmode on wepkey 0x01020304050607080910111213 weptxkey 1

DIAGNOSTICS

     uath%d: could not send command (error=%s)  An attempt to send a command to the firmware
     failed.

     uath%d: timeout waiting for command reply  A read command was sent to the firmware but the
     firmware failed to reply in time.

     uath%d: device timeout  A frame dispatched to the hardware for transmission did not complete
     in time.  The driver will reset the hardware.  This should not happen.

SEE ALSO

     netintro(4), usb(4), wlan(4), wlan_ccmp(4), wlan_tkip(4), wlan_wep(4), devd(8), ifconfig(8),
     uathload(8), wpa_supplicant(8)

HISTORY

     The uath driver first appeared in OpenBSD 4.0.

AUTHORS

     The uath driver was written by Weongyo Jeong <weongyo@FreeBSD.org> and Sam Leffler
     <sam@FreeBSD.org>.  It is distantly related to a driver written by Damien Bergamini
     <damien@openbsd.org>.

CAVEATS

     Atheros proprietary 108 Mbps mode (aka Super AG mode) is not supported.

     Dual-band adapters are presently not working; to workaround, restriction operation to 2.4GHz
     channels.