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ar (4)
  • ar (1) ( Solaris man: Команды и прикладные программы пользовательского уровня )
  • ar (1) ( FreeBSD man: Команды и прикладные программы пользовательского уровня )
  • ar (1) ( Русские man: Команды и прикладные программы пользовательского уровня )
  • ar (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
  • ar (1) ( POSIX man: Команды и прикладные программы пользовательского уровня )
  • >> ar (4) ( FreeBSD man: Специальные файлы /dev/* )
  • ar (5) ( FreeBSD man: Форматы файлов )

  • BSD mandoc
     

    NAME

    
    
    ar
    
     - synchronous Digi/Arnet device driver
    
     
    

    SYNOPSIS

    device ar

    device sppp  

    DESCRIPTION

    The driver supports the Digi/Arnet SYNC/570i ISA and PCI cards that is based on the HD64570 chip. Both the 2 and 4 port cards are supported and auto detected.

    The standard Fx sppp code is used for the link level layer. The default protocol used is PPP. The Cisco HDLC protocol can be used by adding link2 to ifconfig(8).

    Alternately, the driver can be compiled to support netgraph(4) (see below).  

    NUMBERING

    Only one line for each card is needed in the kernel configuration file. The first card's ports will be installed from ar0. The numbering of the next card will continue where the first stopped, e.g. if the first card is a two port card it will use ar0 and ar1. The next card will then start at ar2.

    The card only supports IRQ 3, 5, 7, 10, 11, 12 and 15.

    The iomem area is a 16Kb block and must start at a 16Kb boundary.  

    NETGRAPH SUPPORT

    If the kernel is compiled with options NETGRAPH then the sppp and Cisco HDLC modes are disabled (and the sppp driver is unneeded), and this driver functions as a netgraph(4) node with a single hook named rawdata Connecting to this hook enables the transmission of raw HDLC frames. The node will have the same name as the device with ``sync_'' prepended, e.g., sync_ar0  

    DIAGNOSTICS

    "ar%d: Warning illegal interrupt %d."
    The card cannot use the specified interrupt. Choose a different one.

     

    SEE ALSO

    cx(4), netgraph(4), netintro(4), sr(4), ifconfig(8)  

    HISTORY

    The device driver first appeared in Fx 2.2 .  

    AUTHORS

    An -nosplit The device driver was written by An John Hay Aq jhay@FreeBSD.org . Netgraph support was added by An Julian Elischer Aq julian@FreeBSD.org .  

    BUGS

    At the moment only the V.35 and X.21 interfaces are tested. The others may need tweaks to the clock selection code.

    The code can probably stand some optimizing.

    Please report bugs to Aq jhay@FreeBSD.org .


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    NUMBERING
    NETGRAPH SUPPORT
    DIAGNOSTICS
    SEE ALSO
    HISTORY
    AUTHORS
    BUGS


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