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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /Documentation/networking/DLINK.txt
downloadlinux-stericsson-2.6.12-rc2.tar.gz
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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+Released 1994-06-13
+
+
+ CONTENTS:
+
+ 1. Introduction.
+ 2. License.
+ 3. Files in this release.
+ 4. Installation.
+ 5. Problems and tuning.
+ 6. Using the drivers with earlier releases.
+ 7. Acknowledgments.
+
+
+ 1. INTRODUCTION.
+
+ This is a set of Ethernet drivers for the D-Link DE-600/DE-620
+ pocket adapters, for the parallel port on a Linux based machine.
+ Some adapter "clones" will also work. Xircom is _not_ a clone...
+ These drivers _can_ be used as loadable modules,
+ and were developed for use on Linux 1.1.13 and above.
+ For use on Linux 1.0.X, or earlier releases, see below.
+
+ I have used these drivers for NFS, ftp, telnet and X-clients on
+ remote machines. Transmissions with ftp seems to work as
+ good as can be expected (i.e. > 80k bytes/sec) from a
+ parallel port...:-) Receive speeds will be about 60-80% of this.
+ Depending on your machine, somewhat higher speeds can be achieved.
+
+ All comments/fixes to Bjorn Ekwall (bj0rn@blox.se).
+
+
+ 2. LICENSE.
+
+ This program is free software; you can redistribute it
+ and/or modify it under the terms of the GNU General Public
+ License as published by the Free Software Foundation; either
+ version 2, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be
+ useful, but WITHOUT ANY WARRANTY; without even the implied
+ warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ PURPOSE. See the GNU General Public License for more
+ details.
+
+ You should have received a copy of the GNU General Public
+ License along with this program; if not, write to the Free
+ Software Foundation, Inc., 675 Mass Ave, Cambridge, MA
+ 02139, USA.
+
+
+ 3. FILES IN THIS RELEASE.
+
+ README.DLINK This file.
+ de600.c The Source (may it be with You :-) for the DE-600
+ de620.c ditto for the DE-620
+ de620.h Macros for de620.c
+
+ If you are upgrading from the d-link tar release, there will
+ also be a "dlink-patches" file that will patch Linux 1.1.18:
+ linux/drivers/net/Makefile
+ linux/drivers/net/CONFIG
+ linux/drivers/net/MODULES
+ linux/drivers/net/Space.c
+ linux/config.in
+ Apply the patch by:
+ "cd /usr/src; patch -p0 < linux/drivers/net/dlink-patches"
+ The old source, "linux/drivers/net/d_link.c", can be removed.
+
+
+ 4. INSTALLATION.
+
+ o Get the latest net binaries, according to current net.wisdom.
+
+ o Read the NET-2 and Ethernet HOWTOs and modify your setup.
+
+ o If your parallel port has a strange address or irq,
+ modify "linux/drivers/net/CONFIG" accordingly, or adjust
+ the parameters in the "tuning" section in the sources.
+
+ If you are going to use the drivers as loadable modules, do _not_
+ enable them while doing "make config", but instead make sure that
+ the drivers are included in "linux/drivers/net/MODULES".
+
+ If you are _not_ going to use the driver(s) as loadable modules,
+ but instead have them included in the kernel, remember to enable
+ the drivers while doing "make config".
+
+ o To include networking and DE600/DE620 support in your kernel:
+ # cd /linux
+ (as modules:)
+ # make config (answer yes on CONFIG_NET and CONFIG_INET)
+ (else included in the kernel:)
+ # make config (answer yes on CONFIG _NET, _INET and _DE600 or _DE620)
+ # make clean
+ # make zImage (or whatever magic you usually do)
+
+ o I use lilo to boot multiple kernels, so that I at least
+ can have one working kernel :-). If you do too, append
+ these lines to /etc/lilo/config:
+
+ image = /linux/zImage
+ label = newlinux
+ root = /dev/hda2 (or whatever YOU have...)
+
+ # /etc/lilo/install
+
+ o Do "sync" and reboot the new kernel with a D-Link
+ DE-600/DE-620 pocket adapter connected.
+
+ o The adapter can be configured with ifconfig eth?
+ where the actual number is decided by the kernel
+ when the drivers are initialized.
+
+
+ 5. "PROBLEMS" AND TUNING,
+
+ o If you see error messages from the driver, and if the traffic
+ stops on the adapter, try to do "ifconfig" and "route" once
+ more, just as in "rc.inet1". This should take care of most
+ problems, including effects from power loss, or adapters that
+ aren't connected to the printer port in some way or another.
+ You can somewhat change the behaviour by enabling/disabling
+ the macro SHUTDOWN_WHEN_LOST in the "tuning" section.
+ For the DE-600 there is another macro, CHECK_LOST_DE600,
+ that you might want to read about in the "tuning" section.
+
+ o Some machines have trouble handling the parallel port and
+ the adapter at high speed. If you experience problems:
+
+ DE-600:
+ - The adapter is not recognized at boot, i.e. an Ethernet
+ address of 00:80:c8:... is not shown, try to add another
+ "; SLOW_DOWN_IO"
+ at DE600_SLOW_DOWN in the "tuning" section. As a last resort,
+ uncomment: "#define REALLY_SLOW_IO" (see <asm/io.h> for hints).
+
+ - You experience "timeout" messages: first try to add another
+ "; SLOW_DOWN_IO"
+ at DE600_SLOW_DOWN in the "tuning" section, _then_ try to
+ increase the value (original value: 5) at
+ "if (tickssofar < 5)" near line 422.
+
+ DE-620:
+ - Your parallel port might be "sluggish". To cater for
+ this, there are the macros LOWSPEED and READ_DELAY/WRITE_DELAY
+ in the "tuning" section. Your first step should be to enable
+ LOWSPEED, and after that you can "tune" the XXX_DELAY values.
+
+ o If the adapter _is_ recognized at boot but you get messages
+ about "Network Unreachable", then the problem is probably
+ _not_ with the driver. Check your net configuration instead
+ (ifconfig and route) in "rc.inet1".
+
+ o There is some rudimentary support for debugging, look at
+ the source. Use "-DDE600_DEBUG=3" or "-DDE620_DEBUG=3"
+ when compiling, or include it in "linux/drivers/net/CONFIG".
+ IF YOU HAVE PROBLEMS YOU CAN'T SOLVE: PLEASE COMPILE THE DRIVER
+ WITH DEBUGGING ENABLED, AND SEND ME THE RESULTING OUTPUT!
+
+
+ 6. USING THE DRIVERS WITH EARLIER RELEASES.
+
+ The later 1.1.X releases of the Linux kernel include some
+ changes in the networking layer (a.k.a. NET3). This affects
+ these drivers in a few places. The hints that follow are
+ _not_ tested by me, since I don't have the disk space to keep
+ all releases on-line.
+ Known needed changes to date:
+ - release patchfile: some patches will fail, but they should
+ be easy to apply "by hand", since they are trivial.
+ (Space.c: d_link_init() is now called de600_probe())
+ - de600.c: change "mark_bh(NET_BH)" to "mark_bh(INET_BH)".
+ - de620.c: (maybe) change the code around "netif_rx(skb);" to be
+ similar to the code around "dev_rint(...)" in de600.c
+
+
+ 7. ACKNOWLEDGMENTS.
+
+ These drivers wouldn't have been done without the base
+ (and support) from Ross Biro <bir7@leland.stanford.edu>,
+ and D-Link Systems Inc. The driver relies upon GPL-ed
+ source from D-Link Systems Inc. and from Russel Nelson at
+ Crynwr Software <nelson@crynwr.com>.
+
+ Additional input also from:
+ Donald Becker <becker@super.org>, Alan Cox <A.Cox@swansea.ac.uk>
+ and Fred N. van Kempen <waltje@uWalt.NL.Mugnet.ORG>
+
+ DE-600 alpha release primary victim^H^H^H^H^H^Htester:
+ - Erik Proper <erikp@cs.kun.nl>.
+ Good input also from several users, most notably
+ - Mark Burton <markb@ordern.demon.co.uk>.
+
+ DE-620 alpha release victims^H^H^H^H^H^H^Htesters:
+ - J. Joshua Kopper <kopper@rtsg.mot.com>
+ - Olav Kvittem <Olav.Kvittem@uninett.no>
+ - Germano Caronni <caronni@nessie.cs.id.ethz.ch>
+ - Jeremy Fitzhardinge <jeremy@suite.sw.oz.au>
+
+
+ Happy hacking!
+
+ Bjorn Ekwall == bj0rn@blox.se