1.\" $NetBSD: atu.4,v 1.2 2005/01/24 09:04:12 wiz Exp $ 2.\" $OpenBSD: atu.4,v 1.9 2005/01/06 01:02:13 jmc Exp $ 3.\" 4.\" Copyright (c) 1997, 1998, 1999 5.\" Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. All advertising materials mentioning features or use of this software 16.\" must display the following acknowledgement: 17.\" This product includes software developed by Bill Paul. 18.\" 4. Neither the name of the author nor the names of any co-contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 26.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32.\" THE POSSIBILITY OF SUCH DAMAGE. 33.\" 34.Dd January 23, 2005 35.Dt ATU 4 36.Os 37.Sh NAME 38.Nm atu 39.Nd Atmel at76c50x 802.11B wireless network interfaces 40.Sh SYNOPSIS 41.Cd "atu* at uhub? port ?" 42.Sh DESCRIPTION 43The 44.Nm 45driver provides support for wireless network adapters based around 46the Atmel at76c503, at76c503a, at76c505, and at76c505a USB chipsets. 47.Pp 48Supported features include 802.11 and 802.3 frames, power management, BSS, 49IBSS, ad-hoc, and host-based access point mode. 50.Pp 51The 52.Nm 53driver encapsulates all IP and ARP traffic as 802.11 frames, however 54it can receive either 802.11 or 802.3 frames. 55Transmit speed is selectable between 1Mbps fixed, 2Mbps fixed, 2Mbps 56with auto fallback, 5.5Mbps, 8Mbps, or 11Mbps depending on your hardware. 57.Pp 58Four different radio chipsets are used along with the device, each 59requiring a different firmware. 60.Pp 61By default, the 62.Nm 63driver configures the card for BSS operation (aka infrastructure 64mode). 65This mode requires the use of an access point (base station). 66.Pp 67For more information on configuring this device, see 68.Xr ifconfig 8 . 69.Pp 70The following devices are among those supported by the 71.Nm 72driver: 73.Pp 74.Bl -tag -width Ds -offset indent -compact 75.It Tn Acer Peripherals AWL400 76.It Tn AcerP AWL-300 77.It Tn Aincomm AWU2000B 78.It Tn Atmel 2662W-V4 79.It Tn Atmel BW002 80.It Tn Atmel DWL-120 81.It Tn Atmel WL-1330 82.It Tn Belkin F5D6050 83.It Tn Geowave GW-US11S 84.It Tn Linksys WUSB11 85.It Tn Linksys WUSB11-V28 86.It Tn Ovislink AirLive 87.It Tn SMC 2662W-AR 88.El 89.Sh SEE ALSO 90.Xr arp 4 , 91.Xr ifmedia 4 , 92.Xr intro 4 , 93.Xr netintro 4 , 94.Xr usb 4 , 95.Xr ifconfig 8 , 96.Xr wiconfig 8 97.Sh AUTHORS 98.An -nosplit 99The 100.Nm 101driver was written by 102.An Daan Vreeken 103and ported to 104.Ox 105by 106.An Theo de Raadt 107and 108.An David Gwynne . 109The 110.Ox 111driver was then ported to 112.Nx 113by 114.An Jesse Off 115.Aq joff@NetBSD.org . 116