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Man Pages


Manual Reference Pages  -  FATM (4)

NAME

fatm - device driver for Fore PCA200E ATM interfaces

CONTENTS

Synopsis
Description
Diagnostics
See Also
Authors
Bugs

SYNOPSIS


.Cd device fatm
.Cd device utopia
.Cd device atm


.Cd options NATM

DESCRIPTION

The fatm device driver supports the FORE (now Marconi) PCA200E ATM interface cards. The driver interfaces with the natm(4) framework, netgraph(4) and HARP. It provides only PVC services. Signalling, ATMARP, ILMI and other higher layer protocols are implemented using netgraph(4) or HARP.

For configuring the card for IP see natmip(4). The following sysctls are recognized by the driver additionally to those handled by utopia(4):
hw.atm.fatm N .stats
  Returns a device specific statistic list of
.Vt uint32_t statistic counters.
hw.atm.fatm N .istats
  Returns a list of
.Vt uint32_t with internal driver statistics.
hw.atm.fatm N .retry_tx
  If this is set packets are stuffed back into the interface’s send queue when the cards transmit queue is found to be full. They are transmitted later. If this is not set the packets are dropped. It may be useful to set this if only UBR traffic is sent.
hw.atm.fatm N .debug
 
.Bf Em (Only if debugging enabled.)
.Ef These are debugging flags. See src/sys/dev/fatm/if_fatmvar.h for the possible flags.

The driver supports the media options sdh, noscramb and unassigned (see utopia(4)).

DIAGNOSTICS

fatm0: <FORE PCA200E> mem 0xd5800000-0xd59fffff irq 9 at device 9.0 on pci0

SEE ALSO

natm(4), natmip(4), utopia(4)

AUTHORS


.An Harti Brandt Aq harti@FreeBSD.org

BUGS

These cards can CBR shape a single VCC only. It is currently possible to request more than one CBR connection. In this case all the timing will be wrong. See hatm(4) for a better card.
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