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116 lines
3.3 KiB
Groff
116 lines
3.3 KiB
Groff
.\"
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.\" Copyright (c) 2001-2003
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.\" Fraunhofer Institute for Open Communication Systems (FhG Fokus).
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.\" 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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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" Author: Hartmut Brandt <harti@FreeBSD.org>
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.\"
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.\" $FreeBSD$
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.\"
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.\" fatm(4) man page
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.\"
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.Dd May 15, 2003
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.Dt FATM 4
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.Os
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.Sh NAME
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.Nm fatm
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.Nd "device driver for Fore PCA200E ATM interfaces"
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.Sh SYNOPSIS
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.Cd device fatm
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.Cd device utopia
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.Cd device atm
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.Pp
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.Cd options NATM
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.Sh DESCRIPTION
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The
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.Nm
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device driver supports the FORE (now Marconi) PCA200E ATM interface cards.
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The driver interfaces with the
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.Xr natm 4
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framework,
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.Xr netgraph 4
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and HARP.
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It provides only PVC services.
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Signalling, ATMARP, ILMI and other
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higher layer protocols are implemented using
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.Xr netgraph 4
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or HARP.
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.Pp
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For configuring the card for IP see
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.Xr natmip 4 .
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The following sysctls are recognized by the driver additionally to those
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handled by
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.Xr utopia 4 :
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.Bl -tag -width indent
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.It Va hw.atm.fatm Ns Ar N Ns Va .stats
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Returns a device specific statistic list of
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.Vt uint32_t
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statistic counters.
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.It Va hw.atm.fatm Ns Ar N Ns Va .istats
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Returns a list of
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.Vt uint32_t
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with internal driver statistics.
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.It Va hw.atm.fatm Ns Ar N Ns Va .retry_tx
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If this is set packets are stuffed back into the interface's send queue when
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the cards transmit queue is found to be full.
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They are transmitted later.
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If this is not set the packets are dropped.
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It may be useful to set this
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if only UBR traffic is sent.
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.It Va hw.atm.fatm Ns Ar N Ns Va .debug
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.Bf Em
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(Only if debugging enabled.)
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.Ef
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These are debugging flags.
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See
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.Pa src/sys/dev/fatm/if_fatmvar.h
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for the possible flags.
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.El
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.Pp
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The driver supports the media options
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.Cm sdh , noscramb
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and
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.Cm unassigned
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(see
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.Xr utopia 4 ) .
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.Sh DIAGNOSTICS
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.Bd -literal
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fatm0: <FORE PCA200E> mem 0xd5800000-0xd59fffff irq 9 at device 9.0 on pci0
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.Ed
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.Sh SEE ALSO
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.Xr natm 4 ,
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.Xr natmip 4 ,
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.Xr utopia 4
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.Sh AUTHORS
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.An Harti Brandt Aq harti@FreeBSD.org
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.Sh BUGS
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These cards can CBR shape a single VCC only.
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It is currently possible to
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request more than one CBR connection.
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In this case all the timing will be
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wrong.
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See
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.Xr hatm 4
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for a better card.
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