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

    wavelan_cs - AT&T GIS WaveLAN PCMCIA device driver
    
    
    
     
    

    SYNOPSIS

    insmod wavelan_cs.o [irq_list=i,j,...] [mem_speed=n] [do_roaming=n]  

    DESCRIPTION

    wavelan_cs is the low-level Card Services driver for the NCR / AT&T / Lucent WaveLAN PCMCIA and Digital (DEC) RoamAbout DS wireless ethernet adapter. When this driver is attached to a card, it allocates the next available ethernet device (eth0..eth#). This device name will be passed on to cardmgr(8) for the card configuration, and reported in the kernel log file with the MAC address, NWID and frequency used by the card.  

    PARAMETERS

    irq_list=i,j,...
    Specifies the set of interrupts that may be allocated by this driver.
    mem_speed=n
    Sets the access speed of the shared memory window, in nanoseconds. The default is 0 (i.e., no extra wait states).
    do_roaming=n
    Enables or disables roaming mode. The default is 1 (roam).
     

    WIRELESS EXTENSIONS

    Use iwconfig(8) to manipulate wireless extensions.  

    Mode

    Set the operating mode to Ad-Hoc or Managed. This in fact disable or enable roaming support. This setting is not saved in hardware.  

    Network ID

    Set the network ID [0 to FFFF] or disable it [off] or reenable it [on]. As the NWID is stored in the card Permanent Storage Area, it will be reuse at any further invocation of the driver.  

    Frequency & channels

    For the 2.4GHz 2.00 Hardware, you are able to set the frequency by specifying one of the 10 defined channels (2.412, 2.422, 2.425, 2.4305, 2.432, 2.442, 2.452, 2.460, 2.462 or 2.484) or directly by its value. The frequency is changed immediately and permanentely. Frequency availability depend on the regulations...  

    Sensitivity

    Signal level threshold for packet reception [0 to 63]. Should be set according to the ambiant noise level.  

    Encryption key

    Set the encryption key [0 to FFFF-FFFF-FFFF-FFFF]. Use [off] and [on] to disable and reenable the hardware encryption. This feature works only for device with encryption option (DES or AES).  

    Statistics spy

    Set a list of MAC addresses in the driver (up to 8) and get the last quality of link for each of those (see iwspy(8)).  

    /proc/net/wireless

    status is the status reported by the modem. Link quality reports the quality of the modulation on the air (direct sequence spread spectrum) [max = 16]. Level and Noise refer to the signal level and noise level [max = 64]. The crypt discarded packet and misc discarded packet counters are not implemented.  

    PRIVATE IOCTL

    You may use iwpriv(8) to manipulate private ioctls.  

    Quality threshold

    Enable you the define the quality threshold used by the modem (packet below that level are discarded).  

    Histogram

    This functionality allow to set a number of signal level intervals and to count the number of packets received in each of those defined intervals. This distribution might be used to calculate the mean value and standard deviation of the signal level.  

    OTHER FEATURES

    Hot unplug support.
    Power saving (use 'ifconfig down').  

    SPECIFIC NOTES

    This driver will fail to load some non NCR/ATT&T/Lucent Wavelan cards. If it's your case, you must look in the source code on how to add your card to the detection routine.

    Some of the mentioned features are optional. You may enable to disable them by changing flags in the driver header and recompile.  

    AUTHOR

    Anthony D. Joseph - [email protected]
    Jean Tourrilhes - [email protected]
    (+ others - see source code for details)  

    SEE ALSO

    wavelan(4), cardmgr(8), pcmcia(5), ifconfig(8), insmod(1), iwconfig(8), iwspy(8), iwpriv(8).


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    PARAMETERS
    WIRELESS EXTENSIONS
    Mode
    Network ID
    Frequency & channels
    Sensitivity
    Encryption key
    Statistics spy
    /proc/net/wireless
    PRIVATE IOCTL
    Quality threshold
    Histogram
    OTHER FEATURES
    SPECIFIC NOTES
    AUTHOR
    SEE ALSO


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