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linux-7.2.3/Documentation/networking/device_drivers/fddi/defza.rst
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.. SPDX-License-Identifier: GPL-2.0
=====================================================
Notes on the DEC FDDIcontroller 700 (DEFZA-xx) driver
=====================================================
:Version: v.1.1.4
DEC FDDIcontroller 700 is DEC's first-generation TURBOchannel FDDI
network card, designed in 1990 specifically for the DECstation 5000
model 200 workstation. The board is a single attachment station and
it was manufactured in two variations, both of which are supported.
First is the SAS MMF DEFZA-AA option, the original design implementing
the standard MMF-PMD, however with a pair of ST connectors rather than
the usual MIC connector. The other one is the SAS ThinWire/STP DEFZA-CA
option, denoted 700-C, with the network medium selectable by a switch
between the DEC proprietary ThinWire-PMD using a BNC connector and the
standard STP-PMD using a DE-9F connector. This option can interface to
a DECconcentrator 500 device and, in the case of the STP-PMD, also other
FDDI equipment and was designed to make it easier to transition from
existing IEEE 802.3 10BASE2 Ethernet and IEEE 802.5 Token Ring networks
by providing means to reuse existing cabling.
This driver handles any number of cards installed in a single system.
They get fddi0, fddi1, etc. interface names assigned in the order of
increasing TURBOchannel slot numbers.
The board only supports DMA on the receive side. Transmission involves
the use of PIO. As a result under a heavy transmission load there will
be a significant impact on system performance.
The board supports a 64-entry CAM for matching destination addresses.
Two entries are preoccupied by the Directed Beacon and Ring Purger
multicast addresses and the rest is used as a multicast filter. An
all-multi mode is also supported for LLC frames and it is used if
requested explicitly or if the CAM overflows. The promiscuous mode
supports separate enables for LLC and SMT frames, but this driver
doesn't support changing them individually.
Known problems:
None.
To do:
5. MAC address change. The card does not support changing the Media
Access Controller's address registers but a similar effect can be
achieved by adding an alias to the CAM. There is no way to disable
matching against the original address though.
7. Queueing incoming/outgoing SMT frames in the driver if the SMT
receive/RMC transmit ring is full. (?)
8. Retrieving/reporting FDDI/SNMP stats.
Both success and failure reports are welcome.
Maciej W. Rozycki <macro@orcam.me.uk>
linux-7.2.3/Documentation/networking/device_drivers/fddi/index.rst
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.. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
Fiber Distributed Data Interface (FDDI) Device Drivers
======================================================
Contents:
.. toctree::
:maxdepth: 2
defza
skfp
linux-7.2.3/Documentation/networking/device_drivers/fddi/skfp.rst
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.. SPDX-License-Identifier: GPL-2.0
.. include:: <isonum.txt>
========================
SysKonnect driver - SKFP
========================
|copy| Copyright 1998-2000 SysKonnect,
skfp.txt created 11-May-2000
Readme File for skfp.o v2.06
.. This file contains
(1) OVERVIEW
(2) SUPPORTED ADAPTERS
(3) GENERAL INFORMATION
(4) INSTALLATION
(5) INCLUSION OF THE ADAPTER IN SYSTEM START
(6) TROUBLESHOOTING
(7) FUNCTION OF THE ADAPTER LEDS
(8) HISTORY
1. Overview
===========
This README explains how to use the driver 'skfp' for Linux with your
network adapter.
Chapter 2: Contains a list of all network adapters that are supported by
this driver.
Chapter 3:
Gives some general information.
Chapter 4: Describes common problems and solutions.
Chapter 5: Shows the changed functionality of the adapter LEDs.
Chapter 6: History of development.
2. Supported adapters
=====================
The network driver 'skfp' supports the following network adapters:
SysKonnect adapters:
- SK-5521 (SK-NET FDDI-UP)
- SK-5522 (SK-NET FDDI-UP DAS)
- SK-5541 (SK-NET FDDI-FP)
- SK-5543 (SK-NET FDDI-LP)
- SK-5544 (SK-NET FDDI-LP DAS)
- SK-5821 (SK-NET FDDI-UP64)
- SK-5822 (SK-NET FDDI-UP64 DAS)
- SK-5841 (SK-NET FDDI-FP64)
- SK-5843 (SK-NET FDDI-LP64)
- SK-5844 (SK-NET FDDI-LP64 DAS)
Compaq adapters (not tested):
- Netelligent 100 FDDI DAS Fibre SC
- Netelligent 100 FDDI SAS Fibre SC
- Netelligent 100 FDDI DAS UTP
- Netelligent 100 FDDI SAS UTP
- Netelligent 100 FDDI SAS Fibre MIC
3. General Information
======================
From v2.01 on, the driver is integrated in the linux kernel sources.
Therefore, the installation is the same as for any other adapter
supported by the kernel.
Refer to the manual of your distribution about the installation
of network adapters.
Makes my life much easier :-)
4. Troubleshooting
==================
If you run into problems during installation, check those items:
Problem:
The FDDI adapter cannot be found by the driver.
Reason:
Look in /proc/pci for the following entry:
'FDDI network controller: SysKonnect SK-FDDI-PCI ...'
If this entry exists, then the FDDI adapter has been
found by the system and should be able to be used.
If this entry does not exist or if the file '/proc/pci'
is not there, then you may have a hardware problem or PCI
support may not be enabled in your kernel.
The adapter can be checked using the diagnostic program
which is available from the SysKonnect web site:
www.syskonnect.de
Some COMPAQ machines have a problem with PCI under
Linux. This is described in the 'PCI howto' document
(included in some distributions or available from the
www, e.g. at 'www.linux.org') and no workaround is available.
Problem:
You want to use your computer as a router between
multiple IP subnetworks (using multiple adapters), but
you cannot reach computers in other subnetworks.
Reason:
Either the router's kernel is not configured for IP
forwarding or there is a problem with the routing table
and gateway configuration in at least one of the
computers.
If your problem is not listed here, please contact our
technical support for help.
You can send email to: linux@syskonnect.de
When contacting our technical support,
please ensure that the following information is available:
- System Manufacturer and Model
- Boards in your system
- Distribution
- Kernel version
5. Function of the Adapter LEDs
===============================
The functionality of the LED's on the FDDI network adapters was
changed in SMT version v2.82. With this new SMT version, the yellow
LED works as a ring operational indicator. An active yellow LED
indicates that the ring is down. The green LED on the adapter now
works as a link indicator where an active GREEN LED indicates that
the respective port has a physical connection.
With versions of SMT prior to v2.82 a ring up was indicated if the
yellow LED was off while the green LED(s) showed the connection
status of the adapter. During a ring down the green LED was off and
the yellow LED was on.
All implementations indicate that a driver is not loaded if
all LEDs are off.
6. History
==========
v2.06 (20000511) (In-Kernel version)
New features:
- 64 bit support
- new pci dma interface
- in kernel 2.3.99
v2.05 (20000217) (In-Kernel version)
New features:
- Changes for 2.3.45 kernel
v2.04 (20000207) (Standalone version)
New features:
- Added rx/tx byte counter
v2.03 (20000111) (Standalone version)
Problems fixed:
- Fixed printk statements from v2.02
v2.02 (991215) (Standalone version)
Problems fixed:
- Removed unnecessary output
- Fixed path for "printver.sh" in makefile
v2.01 (991122) (In-Kernel version)
New features:
- Integration in Linux kernel sources
- Support for memory mapped I/O.
v2.00 (991112)
New features:
- Full source released under GPL
v1.05 (991023)
Problems fixed:
- Compilation with kernel version 2.2.13 failed
v1.04 (990427)
Changes:
- New SMT module included, changing LED functionality
Problems fixed:
- Synchronization on SMP machines was buggy
v1.03 (990325)
Problems fixed:
- Interrupt routing on SMP machines could be incorrect
v1.02 (990310)
New features:
- Support for kernel versions 2.2.x added
- Kernel patch instead of private duplicate of kernel functions
v1.01 (980812)
Problems fixed:
Connection hangup with telnet
Slow telnet connection
v1.00 beta 01 (980507)
New features:
None.
Problems fixed:
None.
Known limitations:
- tar archive instead of standard package format (rpm).
- FDDI statistic is empty.
- not tested with 2.1.xx kernels
- integration in kernel not tested
- not tested simultaneously with FDDI adapters from other vendors.
- only X86 processors supported.
- SBA (Synchronous Bandwidth Allocator) parameters can
not be configured.
- does not work on some COMPAQ machines. See the PCI howto
document for details about this problem.
- data corruption with kernel versions below 2.0.33.