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wavelan - AT&T GIS WaveLAN ISA device driver
insmod wavelan_cs.o [io=B,B..] [ irq=I,I..] [name=N,N..]
wavelan is the low-level device driver for the NCR / AT&T / Lucent
WaveLAN ISA and Digital (DEC) RoamAbout DS wireless ethernet adapter.
This driver is available as a module or might be compiled in the
kernel. This driver supports multiple cards in both forms (up to 4) and
allocates the next available ethernet device (eth0..eth#) for each card
found, unless a device name is explicitly specified (see below). This
device name will be reported in the kernel log file with the MAC
address, NWID and frequency used by the card.
This section apply to the module form (parameters passed on the
insmod(8) command line). If the driver is included in the kernel, use
the ether=IRQ,IO,NAME syntax on the kernel command line.
io Specify the list of base address where to search for wavelan
cards (setting by dip switch on the card). If you don’t specify
any io address, the driver will scan 0x390 and 0x3E0 addresses,
which might conflict with other hardware...
irq Set the list of irq that each wavelan card should use (the value
is saved in permanent storage for future use).
name Set the list of name to be used for each wavelan cards device
(name used by ifconfig(8)).
Use iwconfig(8) to manipulate wireless extensions.
NWID (or domain)
Set the network ID [0 to FFFF] or disable it [off]. 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 permanently. Frequency
availability depends on the regulations...
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)).
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.
You may use iwpriv(8) to manipulate private ioctls.
Quality and Level threshold
Enable you the define the quality and level threshold used by the modem
(packet below that level are discarded).
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.
This driver will fail to detect 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.
Bruce Janson — email@example.com
Jean Tourrilhes — firstname.lastname@example.org
(and others; see source code for details)
wavelan_cs(4), ifconfig(8), insmod(8), iwconfig(8), iwspy(8), iwpriv(8)
Univ. of Sydney (Basser Dep. of Co1996-10-22 WAVELAN(4)