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ray_cs (4)
  • >> ray_cs (4) ( Linux man: Специальные файлы /dev/* )
  •  

    NAME

    ray_cs - Raylink wireless LAN - PCMCIA card device driver
    
     

    SYNOPSIS

    insmod ray_cs [essid=string] [irq_mask=n] [net_type=[0-1]] [ray_debug=[0-5]] [phy_addr=xNNNNNNNNNNNN] [hop_dwell=n] [beacon_period=n] [psm=[0-1]] [translate=[0-1]] [country=[1-8]] [sniffer=[0-1]] [bc=[0-1]]  

    DESCRIPTION

    ray_cs is the low level Card Services device driver for the Raylink wireless LAN PCMCIA adapter. It is normally loaded automatically by card services according to the parameters specified in /etc/pcmcia/ray_cs.opts.  

    PARAMETERS

    essid=string
    ESS ID - network name to join string with maximum length of 32 chars default value = "LINUX"

    irq_mask=n
    linux standard 16 bit value 1bit/IRQ lsb is IRQ 0, bit 1 is IRQ 1 etc. Used to restrict choice of IRQ's to use.

    net_type=n
    0 = adhoc network (default) 1 = infrastructure

    ray_debug=n
    (0-5) larger values for more verbose logging.
    phy_addr=string
    string of 12 hex digits containing new MAC address. must be started with x e.g. x00008f123456

    hop_dwell=n
    hop dwell time in Kilo-microseconds legal values = 16,32,64,128(default),256

    beacon_period=n
    Beacon period in Kilo-microseconds.
    Legal values = 16,32,64,128,256(default) must be integer multiple of hop dwell.

    psm=n
    Power save mode
    0 = continuously active
    1 = power save mode (significantly slower)

    bc=n
    Power save mode
    0 = 802.11 timing
    1 = 802.11 modified timing. Interframe spacing is slowed down for compatibility with older Breezecom access points.

    translate

    0 = no translation (encapsulate frames)
    1 = translation (default)

    country=n

    Country code
    1 = USA (default)
    2 = Europe
    3 = Japan
    4 = Korea
    5 = Spain
    6 = France
    7 = Israel
    8 = Australia

    sniffer=n

    0 = normal network interface - not sniffer (default)
    1 = sniffer which can be used to record all network traffic using tcpdump or similar, but no normal network use is allowed. This is because linux has no knowledge of 802.11 headers and cannot parse them correctly. Note that tcpdump does not understand 802.11 headers, either so it can't interpret the contents, but it can record to a file.

     

    BUGS

    ray_cs can lock the machine if the card is pulled out while active. I have never observed a crash if card is deactivated as follows before removal:

    The above command assumes that the Raylink card is configured as eth0.

    This driver only does encapsulation of ethernet frames within 802.11 frames. Most vendors, including Raytheon, are moving to a frame translation method. Translation support has been started, but is not yet functional.

    Support for defragmenting frames is not yet tested.

    The ioctl support is incomplete. The hardware address cannot be set using ifconfig yet. If a different hardware address is needed, it may be set using the phy_addr parameter in ray_cs.opts.

     

    AUTHOR

    Corey Thomas - corey@world.std.com  

    SEE ALSO

    cardmgr(8), pcmcia(5), ifconfig(8).


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    PARAMETERS
    BUGS
    AUTHOR
    SEE ALSO


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