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fatm (4)
  • >> fatm (4) ( FreeBSD man: Специальные файлы /dev/* )

  • BSD mandoc
     

    NAME

    
    
    fatm
    
     - device driver for Fore PCA200E ATM interfaces
    
     
    

    SYNOPSIS

    device fatm device utopia device atm

    options NATM  

    DESCRIPTION

    The 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.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    DIAGNOSTICS
    SEE ALSO
    AUTHORS
    BUGS


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