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diff --git a/Documentation/networking/device_drivers/appletalk/cops.rst b/Documentation/networking/device_drivers/appletalk/cops.rst new file mode 100644 index 000000000000..964ba80599a9 --- /dev/null +++ b/Documentation/networking/device_drivers/appletalk/cops.rst @@ -0,0 +1,80 @@ +.. SPDX-License-Identifier: GPL-2.0 + +======================================== +The COPS LocalTalk Linux driver (cops.c) +======================================== + +By Jay Schulist <jschlst@samba.org> + +This driver has two modes and they are: Dayna mode and Tangent mode. +Each mode corresponds with the type of card. It has been found +that there are 2 main types of cards and all other cards are +the same and just have different names or only have minor differences +such as more IO ports. As this driver is tested it will +become more clear exactly what cards are supported. + +Right now these cards are known to work with the COPS driver. The +LT-200 cards work in a somewhat more limited capacity than the +DL200 cards, which work very well and are in use by many people. + +TANGENT driver mode: + - Tangent ATB-II, Novell NL-1000, Daystar Digital LT-200 + +DAYNA driver mode: + - Dayna DL2000/DaynaTalk PC (Half Length), COPS LT-95, + - Farallon PhoneNET PC III, Farallon PhoneNET PC II + +Other cards possibly supported mode unknown though: + - Dayna DL2000 (Full length) + +The COPS driver defaults to using Dayna mode. To change the driver's +mode if you built a driver with dual support use board_type=1 or +board_type=2 for Dayna or Tangent with insmod. + +Operation/loading of the driver +=============================== + +Use modprobe like this: /sbin/modprobe cops.o (IO #) (IRQ #) +If you do not specify any options the driver will try and use the IO = 0x240, +IRQ = 5. As of right now I would only use IRQ 5 for the card, if autoprobing. + +To load multiple COPS driver Localtalk cards you can do one of the following:: + + insmod cops io=0x240 irq=5 + insmod -o cops2 cops io=0x260 irq=3 + +Or in lilo.conf put something like this:: + + append="ether=5,0x240,lt0 ether=3,0x260,lt1" + +Then bring up the interface with ifconfig. It will look something like this:: + + lt0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-F7-00-00-00-00-00-00-00-00 + inet addr:192.168.1.2 Bcast:192.168.1.255 Mask:255.255.255.0 + UP BROADCAST RUNNING NOARP MULTICAST MTU:600 Metric:1 + RX packets:0 errors:0 dropped:0 overruns:0 frame:0 + TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 coll:0 + +Netatalk Configuration +====================== + +You will need to configure atalkd with something like the following to make +it work with the cops.c driver. + +* For single LTalk card use:: + + dummy -seed -phase 2 -net 2000 -addr 2000.10 -zone "1033" + lt0 -seed -phase 1 -net 1000 -addr 1000.50 -zone "1033" + +* For multiple cards, Ethernet and LocalTalk:: + + eth0 -seed -phase 2 -net 3000 -addr 3000.20 -zone "1033" + lt0 -seed -phase 1 -net 1000 -addr 1000.50 -zone "1033" + +* For multiple LocalTalk cards, and an Ethernet card. + +* Order seems to matter here, Ethernet last:: + + lt0 -seed -phase 1 -net 1000 -addr 1000.10 -zone "LocalTalk1" + lt1 -seed -phase 1 -net 2000 -addr 2000.20 -zone "LocalTalk2" + eth0 -seed -phase 2 -net 3000 -addr 3000.30 -zone "EtherTalk" |