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-.\" $NetBSD: awi.4,v 1.1 1999/11/04 19:36:01 sommerfeld Exp $
-.\" $OpenBSD: awi.4,v 1.4 2000/04/03 21:19:37 aaron Exp $
-.\"
-.\"
-.\" $Id: awi.4,v 1.4 2000/04/03 21:19:37 aaron Exp $
-.\"
-.Dd October 31, 1999
-.Dt AWI 4
-.Os
-.Sh NAME
-.Nm awi
-.Nd
-Bay Networks BayStack 650 IEEE 802.11FH PCMCIA driver
-.Sh SYNOPSIS
-.Cd "awi* at pcmcia? function ?"
-.Sh DESCRIPTION
-The
-.Nm
-driver provides support for BayStack 650 IEEE 802.11 Frequency Hopping
-PCCARD adapters.
-.Pp
-The BayStack 650 is based on an AMD 79c930 controller, which provides
-access to 32kb of memory shared between the controller and the host.
-All host/device interaction is via this shared memory, which can be
-accessed either via PCMCIA memory space or I/O space.
-The
-.Nm
-driver encapsulates all IP and ARP traffic as 802.11 frames. Transmit
-speed is fixed at 1Mbps.
-.Pp
-The driver currently only works in infrastructure mode, communicating
-with an Access Point which serves as a link-layer bridge between an
-ethernet and the wireless network.
-.Pp
-This card seems to take between 5 and 20 seconds after it has been brought up
-to synchronize with an AP. When using
-.Xr dhclient 8
-to automatically configure an address on this card, it may be
-advisable to delay the invocation of dhclient for about 10 seconds
-after the card is brought up using
-.Xr ifconfig 8
-.Pp
-For more information on configuring this device, see
-.Xr ifconfig 8
-.Sh DIAGNOSTICS
-.Bl -diag
-.It "awi0: unable to allocate memory space; using i/o only"
-Indicates that the driver was not able to allocate 32kb of PCMCIA bus
-address space into which to map the device; the driver will use the
-(slightly slower) i/o-space only access methods to read and write to
-the shared memory. This message is in some sense to be expected and
-should not be a cause for alarm.
-See
-.Xr pcmcia 4
-for information on how to increase the memory available to the PCMCIA
-controller.
-.It "awi0: selftest failed (code %x)"
-The device failed to pass its internal selftest.
-.It "awi0: device failed to complete selftest (code %x)"
-The device failed to complete its self test within 5 seconds.
-.It "awi0: device timeout"
-.It "awi0: timeout waiting for command completion"
-The device failed to generate an interrupt to acknowledge a command.
-.It "awi0: transmit timeout"
-The device failed to generate an interrupt to acknowledge a
-transmitted packet.
-.It "awi0: large frame truncated"
-The system handed the driver a packet which was too large to transmit
-in one piece.
-.It "awi0: device enable failed"
-The system was unable to power on the card.
-.It "awi0: associated with %s, SSID: %s
-The device has successfully synchronized with the identified Access
-Point and is ready to relay traffic.
-.It "awi0: no recent beacon from %s; rescanning"
-The device has not heard a beacon from its currently associated Access
-Point recently, and is looking for a new access point.
-.It "awi0: received deauth"
-The access point the card was most recently associated with has
-forgotten about us.
-.El
-.Sh BUGS
-Doesn't support ad-hoc mode or WEP.
-Round trip times seem higher than what one might expect.
-.Sh SEE ALSO
-.Xr ray 4 ,
-.Xr arp 4 ,
-.Xr netintro 4 ,
-.Xr pcmcia 4 ,
-.Xr ifconfig 8 ,
-.Xr awiconfig 8
-.Rs
-.%T Am79C930 PCnet Mobile Single-Chip Wireless LAN Media Access Controller
-.%O http://www.amd.com
-.Re
-.Sh HISTORY
-The
-.Nm
-device driver first appeared in
-.Nx 1.5 .
-.Sh AUTHOR
-The
-.Nm
-driver was written by
-.An Bill Sommerfeld Aq sommerfeld@netbsd.org
-and ported to
-.Ox
-by
-.An Angelos D. Keromytis Aq angelos@dsl.cis.upenn.edu