169 lines
5.4 KiB
Groff
169 lines
5.4 KiB
Groff
.\" $NetBSD: wi.4,v 1.15 2001/06/05 12:20:57 wiz Exp $
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.\"
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.\" Copyright (c) 1997, 1998, 1999
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.\" Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by Bill Paul.
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.\" 4. Neither the name of the author nor the names of any co-contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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.\" THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $Id: wi.4,v 1.15 2001/06/05 12:20:57 wiz Exp $
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.\"
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.Dd January 11, 2001
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.Dt WI 4
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.Os
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.Sh NAME
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.Nm wi
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.Nd
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WaveLAN/IEEE and PRISM-II 802.11 PCMCIA wireless network driver
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.Sh SYNOPSIS
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.Cd "wi* at pcmcia? function ?"
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for Lucent Technologies WaveLAN/IEEE PCCARD adapters
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(also known as WaveLAN II cards) and various PCCARD adapters which use
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Intersil PRISM-II chipsets.
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Note that while Lucent sells both ISA and PCMCIA WaveLAN/IEEE devices,
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the ISA product is actually a PCMCIA card in an ISA to PCMCIA bridge adapter.
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Consequently, the
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.Nm
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driver is required for both the ISA and PCMCIA NICs.
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Also note that some of the PRISM-II adapters works only at 3.3V, hence
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.Xr cardbus 4
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support is required for those cards to set VCC correctly,
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even they are 16bit cards.
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.Pp
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The core of the WaveLAN/IEEE is the Lucent Hermes controller.
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All host/device interaction is via programmed I/O with the Hermes.
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The Hermes supports 802.11 and 802.3 frames, power management, BSS, WDS
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and ad-hoc operation modes. The Silver and the Gold cards of the
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WaveLAN/IEEE also support WEP. Unlike the other IEEE 802.11 network cards,
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the WaveLAN Gold cards accept 104 bits key (13 characters) for WEP
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encryption. The Intersil PRISM-II controller supports WEP as well.
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.Pp
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The
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.Nm
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driver encapsulates all IP and ARP traffic as 802.11 frames, however
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it can receive either 802.11 or 802.3 frames.
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Transmit speed is selectable between 1Mbps fixed,
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2Mbps fixed or 2Mbps with auto fallback.
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For WaveLAN/IEEE Turbo adapters, speeds up to 6Mbps are available.
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For WaveLAN/IEEE Turbo 11Mbps adapters and PRISM-II adapters, speeds up to
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11Mbps are available.
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.Pp
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The
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.Nm
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driver supports configuration of WaveLAN card for special ad-hoc operation.
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In this mode, the nwid is ignored and
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stations can communicate among each other without the aid of an access
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point.
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Note that this mode is not in the IEEE 802.11 specification and the driver
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may interoperate with other cards. This mode is no longer the default
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and must be selected using the
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.Xr ifconfig 8
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or
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.Xr wiconfig 8
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utilities.
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.Pp
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For more information on configuring this device, see
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.Xr ifconfig 8
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and
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.Xr ifmedia 4 .
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.Sh HARDWARE
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Cards supported by the
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.Nm
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driver include:
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.Pp
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.Bl -item -offset indent -compact
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.It
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Lucent Wavelan/IEEE 2.0Mb Bronze
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.It
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Lucent Wavelan/IEEE 2.0Mb Silver
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.It
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Lucent WaveLAN/IEEE Turbo
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.It
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Lucent WaveLAN/IEEE Turbo 11Mbps
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.It
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Melco AIR CONNECT WLI-PCM-L11
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.It
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DEC/Cabletron RoamAbout 802.11 DS High Rate
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.It
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Corega Wireless LAN PCC-11
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.It
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Melco AIR CONNECT WLI-PCM-L11 cards [*] [+]
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.It
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DEC/Cabletron RoamAbout 802.11 DS High Rate cards [*] [+]
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.It
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Corega Wireless LAN PCC-11 cards [*] [+]
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.It
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ELSA AirLancer MC-11
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.El
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.Pp
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The original PRISM-I chipset is supported by the
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.Xr awi 4
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driver.
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.Sh DIAGNOSTICS
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.Bl -diag
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.It "wi%d: init failed"
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The WaveLAN failed to come ready after an initialization command was
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issued.
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.It "wi%d: failed to allocate %d bytes on NIC"
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The driver was unable to allocate memory for transmit frames in the
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NIC's on-board RAM.
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.It "wi%d: device timeout"
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The WaveLAN failed to generate an interrupt to acknowledge a transmit
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command.
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One reason can be that the board is mis-configured, see
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.Xr wiconfig 8 .
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.El
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.Sh BUGS
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The IBSS mode is not supported.
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.Pp
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The execution of
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.Xr wiconfig 8
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while the interface is down can produce some error messages.
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.Sh SEE ALSO
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.Xr arp 4 ,
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.Xr ifmedia 4 ,
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.Xr netintro 4 ,
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.Xr ifconfig 8 ,
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.Xr wiconfig 8
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.Rs
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.%T HCF Light programming specification
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.%O http://www.wavelan.com
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.Re
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.Sh HISTORY
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The
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.Nm
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device driver first appeared in
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.Nx 1.5 .
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.Sh AUTHOR
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The
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.Nm
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driver was written by
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.An Bill Paul Aq wpaul@ctr.columbia.edu .
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