139 lines
4.0 KiB
Groff
139 lines
4.0 KiB
Groff
.\" $FreeBSD$
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.\"
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.Dd December 26, 1996
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.Os
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.Dt WLCONFIG 8
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.Sh NAME
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.Nm wlconfig
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.Nd read/write wavelan config parameters
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.Sh SYNOPSIS
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.Nm
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.Ar ifname
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.Op Ar param value ...
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.Sh DESCRIPTION
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The
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.Nm
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command can be used to read and set parameters for the NCR/AT&T Wavelan
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radio LAN card. Various parameters stored in the non-volatile Parameter
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Storage Area (PSA) on the card can be modified with this program, replacing
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the DOS-based
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.Nm instconf.exe
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program. It can also be used to interrogate the optional signal
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strength cache which may have been compiled into the driver.
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.Pp
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The
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.Ar ifname
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parameter specifies the wavelan interface name (eg.
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.Pa wl0
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). If no other arguments are supplied, the current contents of the PSA
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are interpreted and displayed.
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.Pp
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The
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.Ar param
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and
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.Ar value
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arguments can be used to change the value of several parameters.
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Any number of
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.Ar param value
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pairs may be supplied.
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.Bl -tag -width 15n -offset indent
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.It Va param
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.Va value
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.It irq
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IRQ value (used at next reset), may be one of 3,4,5,6,10,11,12,15.
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.It mac
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Local MAC value (ethernet address).
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.It macsel
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.Sq soft
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(as set by the
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.Sq mac
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parameter) or
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.Sq default
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(as set at the factory).
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.It nwid
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The NWID is a 2-byte parameter passed to the card's radio modem.
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NWIDs allow multiple logically discrete networks to operate
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independently whilst occupying the same airspace.
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Packets with a different NWID are simply ignored by the modem.
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In the hardware, NWIDs are stored long-term in non-volatile memory
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(called the PSA or programmable storage area), and are loaded by
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software into the radio modem when the driver is
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initialized. This sets the default NWID loaded at startup.
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.It currnwid
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This sets the current operating NWID (but does not save it to the
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PSA).
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.It cache
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The driver may maintain a per interface fixed size cache of signal strength,
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silence, and quality levels, which are indexed by sender MAC addresses.
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Input packets are stored in the cache, and when received, the values
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stored in the radio modem are interrogated and stored.
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There are also two sysctl values (iponly and multicast only) which
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can be used for filtering out some input packets. By default, the
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cache mechanism stores only non-unicast IP packets, but this can
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be changed with
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.Xr sysctl 8 .
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Each non-filtered
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input packet causes a cache update, hence one can monitor
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the antennae signal strength to a remote system.
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There are three commands that can be given as values:
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.Sq raw ,
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which prints out the raw signal strength data as found in the radio
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modem hardware value,
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.Sq scale ,
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which scales the raw hardware values to 0..100%, and
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.Sq zero
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which clears out the cache in case you want to store new samples.
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.El
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.Pp
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Note that if the IRQ on the Wavelan card is incorrect, the interface
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will be configured, but will not function. The
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.Nm
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program should then be used to reconfigure the card to a sensible
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value.
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.Sh EXAMPLES
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Set the NWID to 0x1234 :
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.Bd -literal -offset
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# wlconfig wl0 nwid 0x1234
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.Ed
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.Pp
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Show the current settings :
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.Bd -literal -offset
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# wlconfig wl0
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Board type : ISA
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Base address options : 0x300, 0x390, 0x3c0, 0x3e0
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Waitstates : 0
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Bus mode : ISA
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IRQ : 10
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Default MAC address : 08:00:0e:20:3d:4b
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Soft MAC address : 00:00:00:00:00:00
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Current MAC address : Default
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Adapter compatibility : PC-AT 2.4GHz
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Threshold preset : 1
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Call code required : NO
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Subband : 2425MHz
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Quality threshold : 3
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Hardware version : 0 (Rel1/Rel2)
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Network ID enable : YES
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NWID : 0xdead
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Datalink security : NO
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Databus width : 16 (variable)
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Configuration state : unconfigured
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CRC-16 : 0x3c26
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CRC status : OK
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.Ed
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.Pp
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Print a scaled version of the signal strength cache :
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.Bd -literal -offset
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# wlconfig wl0 cache scale
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.Ed
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.Sh SEE ALSO
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.Xr wl 4 ,
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.Xr sysctl 8
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.Sh HISTORY
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This implementation of the
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.Nm
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command is completely new, written for Hilink Internet by
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.An Michael Smith ,
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and updated by
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.An Jim Binkley &c .
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