1.\" $NetBSD: an.4,v 1.8 2001/09/11 17:39:01 wiz Exp $ 2.\" 3.\" Copyright (c) 1997, 1998, 1999 4.\" Bill Paul <wpaul@ee.columbia.edu>. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by Bill Paul. 17.\" 4. Neither the name of the author nor the names of any co-contributors 18.\" may be used to endorse or promote products derived from this software 19.\" without specific prior written permission. 20.\" 21.\" THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 22.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24.\" ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 25.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 31.\" THE POSSIBILITY OF SUCH DAMAGE. 32.\" 33.\" $FreeBSD: src/share/man/man4/an.4,v 1.6 2000/11/17 11:43:59 ru Exp $ 34.\" 35.Dd December 13, 2000 36.Dt AN 4 37.Os 38.Sh NAME 39.Nm an 40.Nd 41Aironet 4500/4800 and Cisco 340/350 series wireless network driver 42.Sh SYNOPSIS 43.Cd "an* at pcmcia? function ?" 44.Cd "an* at pci? dev ? function ?" 45.Cd "an* at isapnp?" 46.Sh DESCRIPTION 47The 48.Nm 49driver provides support for Aironet Communications 4500/4800 50and Cisco Aironet 340/350 series 51wireless network adapters. 52This includes the ISA, PCI and PCMCIA 53varieties. 54The 4500 series adapters operate at 1 and 2Mbps while 55the 4800 series and 340/350 series can operate at 1, 2, 5.5 and 11Mbps. 56The ISA, PCI 57and PCMCIA devices are all based on the same core PCMCIA modules 58and all have the same programming interface, however unlike the 59Lucent WaveLAN/IEEE cards, the ISA and PCI cards appear to the 60host as normal ISA and PCI devices and do not require any PCMCIA 61support. 62.Pp 63The PCMCIA Aironet cards require PCMCIA support. 64ISA cards can either be configured to use ISA Plug and Play 65or to use a particular I/O address and IRQ 66by properly setting the DIP switches on the board. 67(The default 68switch setting is for plug and play.) 69The 70.Nm 71driver has Plug and Play support and will work in either configuration, 72however when using a hard-wired I/O address and IRQ, the driver 73configuration and the NIC's switch settings must agree. 74PCI cards 75require no switch settings of any kind and will be automatically 76probed and attached. 77.Pp 78All host/device interaction with the Aironet cards is via programmed I/O. 79The Aironet devices support 802.11 and 802.3 frames, power management, 80BSS (infrastructure) and IBSS (ad-hoc) operation modes. 81The 82.Nm 83driver encapsulates all IP and ARP traffic as 802.11 frames, however 84it can receive either 802.11 or 802.3 frames. 85Transmit speed is 86selectable between 1Mbps, 2Mbps, 5.5Mbps, 11Mbps or 87"auto" (the NIC automatically chooses the best speed). 88.Pp 89By default, the 90.Nm 91driver configures the Aironet card to join an access point with an SSID 92of null string. 93For adhoc mode, in which 94stations can communicate among each other without the aid of an access 95point, the driver must be set using 96.Xr ifconfig 8 . 97.Pp 98For more information on configuring this device, see 99.Xr ifconfig 8 100and 101.Xr ifmedia 4 . 102.Sh HARDWARE 103Cards supported by the 104.Nm 105driver include: 106.Pp 107.Bl -item -offset indent 108.It 109Aironet 4500 Series 110.It 111Aironet 4800 Series 112.It 113Cisco Aironet 340 Series 114.It 115Cisco Aironet 350 Series 116.Sh DIAGNOSTICS 117.Bl -diag 118.It "an%d: init failed" 119The Aironet card failed to come ready after an initialization command was 120issued. 121.It "an%d: failed to allocate %d bytes on NIC" 122The driver was unable to allocate memory for transmit frames in the 123NIC's on-board RAM. 124.It "an%d: device timeout" 125The Aironet card failed to generate an interrupt to acknowledge a transmit 126command. 127.El 128.Sh SEE ALSO 129.Xr arp 4 , 130.Xr ifmedia 4 , 131.Xr netintro 4 , 132.Xr ifconfig 8 133.Sh HISTORY 134The 135.Nm 136device driver first appeared in 137.Fx 4.0 , 138and then in 139.Nx 1.6 . 140.Sh AUTHORS 141The 142.Nm 143driver was written by 144.An Bill Paul Aq wpaul@ee.columbia.edu . 145