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FATM(4)		       FreeBSD Kernel Interfaces Manual		       FATM(4)

NAME
     fatm -- Device driver for Fore PCA200E ATM	interfaces

SYNOPSIS
     device fatm
     device utopia
     device atm
     options NATM

DESCRIPTION
     The fatm device driver supports the FORE (now Marconi) PCA200E ATM	inter-
     face 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.fatmN.stats
	  Returns a device specific statistic list of uint32_t statistic coun-
	  ters.

     hw.atm.fatmN.istats
	  Returns a list of uint32_t with internal driver statistics.

     hw.atm.fatmN.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.fatmN.debug
	  (only	if debugging enabled) These are	debugging flags. See
	  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)

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.

AUTHORS
     Harti Brandt <harti@freebsd.org>.

FreeBSD				 May 15, 2003			       FreeBSD

NAME | SYNOPSIS | DESCRIPTION | DIAGNOSTICS | SEE ALSO | BUGS | AUTHORS

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