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Ross moved. Remove the bad email address so people will find the correct one in ./CREDITS. Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
204 lines
7.2 KiB
Plaintext
204 lines
7.2 KiB
Plaintext
Released 1994-06-13
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CONTENTS:
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1. Introduction.
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2. License.
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3. Files in this release.
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4. Installation.
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5. Problems and tuning.
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6. Using the drivers with earlier releases.
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7. Acknowledgments.
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1. INTRODUCTION.
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This is a set of Ethernet drivers for the D-Link DE-600/DE-620
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pocket adapters, for the parallel port on a Linux based machine.
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Some adapter "clones" will also work. Xircom is _not_ a clone...
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These drivers _can_ be used as loadable modules,
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and were developed for use on Linux 1.1.13 and above.
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For use on Linux 1.0.X, or earlier releases, see below.
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I have used these drivers for NFS, ftp, telnet and X-clients on
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remote machines. Transmissions with ftp seems to work as
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good as can be expected (i.e. > 80k bytes/sec) from a
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parallel port...:-) Receive speeds will be about 60-80% of this.
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Depending on your machine, somewhat higher speeds can be achieved.
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All comments/fixes to Bjorn Ekwall (bj0rn@blox.se).
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2. LICENSE.
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This program is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 2, or (at your option) any later version.
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This program is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied
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warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public
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License along with this program; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA
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02139, USA.
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3. FILES IN THIS RELEASE.
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README.DLINK This file.
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de600.c The Source (may it be with You :-) for the DE-600
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de620.c ditto for the DE-620
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de620.h Macros for de620.c
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If you are upgrading from the d-link tar release, there will
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also be a "dlink-patches" file that will patch Linux 1.1.18:
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linux/drivers/net/Makefile
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linux/drivers/net/CONFIG
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linux/drivers/net/MODULES
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linux/drivers/net/Space.c
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linux/config.in
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Apply the patch by:
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"cd /usr/src; patch -p0 < linux/drivers/net/dlink-patches"
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The old source, "linux/drivers/net/d_link.c", can be removed.
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4. INSTALLATION.
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o Get the latest net binaries, according to current net.wisdom.
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o Read the NET-2 and Ethernet HOWTOs and modify your setup.
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o If your parallel port has a strange address or irq,
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modify "linux/drivers/net/CONFIG" accordingly, or adjust
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the parameters in the "tuning" section in the sources.
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If you are going to use the drivers as loadable modules, do _not_
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enable them while doing "make config", but instead make sure that
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the drivers are included in "linux/drivers/net/MODULES".
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If you are _not_ going to use the driver(s) as loadable modules,
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but instead have them included in the kernel, remember to enable
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the drivers while doing "make config".
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o To include networking and DE600/DE620 support in your kernel:
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# cd /linux
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(as modules:)
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# make config (answer yes on CONFIG_NET and CONFIG_INET)
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(else included in the kernel:)
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# make config (answer yes on CONFIG _NET, _INET and _DE600 or _DE620)
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# make clean
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# make zImage (or whatever magic you usually do)
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o I use lilo to boot multiple kernels, so that I at least
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can have one working kernel :-). If you do too, append
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these lines to /etc/lilo/config:
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image = /linux/zImage
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label = newlinux
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root = /dev/hda2 (or whatever YOU have...)
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# /etc/lilo/install
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o Do "sync" and reboot the new kernel with a D-Link
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DE-600/DE-620 pocket adapter connected.
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o The adapter can be configured with ifconfig eth?
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where the actual number is decided by the kernel
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when the drivers are initialized.
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5. "PROBLEMS" AND TUNING,
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o If you see error messages from the driver, and if the traffic
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stops on the adapter, try to do "ifconfig" and "route" once
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more, just as in "rc.inet1". This should take care of most
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problems, including effects from power loss, or adapters that
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aren't connected to the printer port in some way or another.
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You can somewhat change the behaviour by enabling/disabling
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the macro SHUTDOWN_WHEN_LOST in the "tuning" section.
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For the DE-600 there is another macro, CHECK_LOST_DE600,
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that you might want to read about in the "tuning" section.
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o Some machines have trouble handling the parallel port and
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the adapter at high speed. If you experience problems:
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DE-600:
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- The adapter is not recognized at boot, i.e. an Ethernet
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address of 00:80:c8:... is not shown, try to add another
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"; SLOW_DOWN_IO"
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at DE600_SLOW_DOWN in the "tuning" section. As a last resort,
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uncomment: "#define REALLY_SLOW_IO" (see <asm/io.h> for hints).
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- You experience "timeout" messages: first try to add another
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"; SLOW_DOWN_IO"
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at DE600_SLOW_DOWN in the "tuning" section, _then_ try to
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increase the value (original value: 5) at
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"if (tickssofar < 5)" near line 422.
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DE-620:
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- Your parallel port might be "sluggish". To cater for
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this, there are the macros LOWSPEED and READ_DELAY/WRITE_DELAY
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in the "tuning" section. Your first step should be to enable
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LOWSPEED, and after that you can "tune" the XXX_DELAY values.
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o If the adapter _is_ recognized at boot but you get messages
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about "Network Unreachable", then the problem is probably
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_not_ with the driver. Check your net configuration instead
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(ifconfig and route) in "rc.inet1".
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o There is some rudimentary support for debugging, look at
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the source. Use "-DDE600_DEBUG=3" or "-DDE620_DEBUG=3"
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when compiling, or include it in "linux/drivers/net/CONFIG".
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IF YOU HAVE PROBLEMS YOU CAN'T SOLVE: PLEASE COMPILE THE DRIVER
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WITH DEBUGGING ENABLED, AND SEND ME THE RESULTING OUTPUT!
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6. USING THE DRIVERS WITH EARLIER RELEASES.
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The later 1.1.X releases of the Linux kernel include some
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changes in the networking layer (a.k.a. NET3). This affects
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these drivers in a few places. The hints that follow are
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_not_ tested by me, since I don't have the disk space to keep
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all releases on-line.
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Known needed changes to date:
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- release patchfile: some patches will fail, but they should
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be easy to apply "by hand", since they are trivial.
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(Space.c: d_link_init() is now called de600_probe())
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- de600.c: change "mark_bh(NET_BH)" to "mark_bh(INET_BH)".
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- de620.c: (maybe) change the code around "netif_rx(skb);" to be
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similar to the code around "dev_rint(...)" in de600.c
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7. ACKNOWLEDGMENTS.
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These drivers wouldn't have been done without the base
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(and support) from Ross Biro, and D-Link Systems Inc.
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The driver relies upon GPL-ed source from D-Link Systems Inc.
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and from Russel Nelson at Crynwr Software <nelson@crynwr.com>.
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Additional input also from:
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Donald Becker <becker@super.org>, Alan Cox <A.Cox@swansea.ac.uk>
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and Fred N. van Kempen <waltje@uWalt.NL.Mugnet.ORG>
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DE-600 alpha release primary victim^H^H^H^H^H^Htester:
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- Erik Proper <erikp@cs.kun.nl>.
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Good input also from several users, most notably
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- Mark Burton <markb@ordern.demon.co.uk>.
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DE-620 alpha release victims^H^H^H^H^H^H^Htesters:
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- J. Joshua Kopper <kopper@rtsg.mot.com>
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- Olav Kvittem <Olav.Kvittem@uninett.no>
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- Germano Caronni <caronni@nessie.cs.id.ethz.ch>
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- Jeremy Fitzhardinge <jeremy@suite.sw.oz.au>
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Happy hacking!
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Bjorn Ekwall == bj0rn@blox.se
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