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jcastillo |
This is the README for the Gracilis Packetwin device driver, version 0.5
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ALPHA for Linux 1.3.43.
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These files will allow you to talk to the PackeTwin (now know as PT) and
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connect through it just like a pair of TNC's. To do this you will also
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require the AX.25 code in the kernel enabled.
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There are four files in this archive; this readme, a patch file, a .c file
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and finally a .h file. The two program files need to be put into the
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drivers/net directory in the Linux source tree, for me this is the
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directory /usr/src/linux/drivers/net. The patch file needs to be patched in
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at the top of the Linux source tree (/usr/src/linux in my case).
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You will most probably have to edit the pt.c file to suit your own setup,
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this should just involve changing some of the defines at the top of the file.
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Please note that if you run an external modem you must specify a speed of 0.
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The program is currently setup to run a 4800 baud external modem on port A
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and a Kantronics DE-9600 daughter board on port B so if you have this (or
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something similar) then you're right.
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To compile in the driver, put the files in the correct place and patch in
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the diff. You will have to re-configure the kernel again before you
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recompile it.
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The driver is not real good at the moment for finding the card. You can
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'help' it by changing the order of the potential addresses in the structure
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found in the pt_init() function so the address of where the card is is put
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first.
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After compiling, you have to get them going, they are pretty well like any
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other net device and just need ifconfig to get them going.
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As an example, here is my /etc/rc.net
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--------------------------
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#
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# Configure the PackeTwin, port A.
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/sbin/ifconfig pt0a 44.136.8.87 hw ax25 vk2xlz mtu 512
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/sbin/ifconfig pt0a 44.136.8.87 broadcast 44.136.8.255 netmask 255.255.255.0
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/sbin/route add -net 44.136.8.0 netmask 255.255.255.0 dev pt0a
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/sbin/route add -net 44.0.0.0 netmask 255.0.0.0 gw 44.136.8.68 dev pt0a
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/sbin/route add -net 138.25.16.0 netmask 255.255.240.0 dev pt0a
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/sbin/route add -host 44.136.8.255 dev pt0a
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#
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# Configure the PackeTwin, port B.
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/sbin/ifconfig pt0b 44.136.8.87 hw ax25 vk2xlz-1 mtu 512
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/sbin/ifconfig pt0b 44.136.8.87 broadcast 44.255.255.255 netmask 255.0.0.0
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/sbin/route add -host 44.136.8.216 dev pt0b
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/sbin/route add -host 44.136.8.95 dev pt0b
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/sbin/route add -host 44.255.255.255 dev pt0b
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This version of the driver comes under the GNU GPL. If you have one on my
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previous (non-GPL) versions of the driver, please update to this one.
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I hope that this all works well for you. I would be pleased to hear how
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many people use the driver and if it does its job.
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- Craig vk2xlz
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INET: csmall@acacia.itd.uts.edu.au craig.small@eol.ieaust.org.au
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AMPR: vk2xlz@gonzo.vk2xlz.ampr.org
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AX25: vk2xlz@vk2gdm.nsw.aus.oc
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