[PATCH 19/37] docs: networking: device drivers: convert dec/de4x5.txt to ReST

From: Mauro Carvalho Chehab
Date: Fri May 01 2020 - 10:48:59 EST


- add SPDX header;
- add a document title;
- mark code blocks and literals as such;
- adjust identation, whitespaces and blank lines where needed;
- add to networking/index.rst.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
---
.../dec/{de4x5.txt => de4x5.rst} | 105 ++++++++++--------
.../networking/device_drivers/index.rst | 1 +
drivers/net/ethernet/dec/tulip/Kconfig | 2 +-
3 files changed, 60 insertions(+), 48 deletions(-)
rename Documentation/networking/device_drivers/dec/{de4x5.txt => de4x5.rst} (78%)

diff --git a/Documentation/networking/device_drivers/dec/de4x5.txt b/Documentation/networking/device_drivers/dec/de4x5.rst
similarity index 78%
rename from Documentation/networking/device_drivers/dec/de4x5.txt
rename to Documentation/networking/device_drivers/dec/de4x5.rst
index 452aac58341d..e03e9c631879 100644
--- a/Documentation/networking/device_drivers/dec/de4x5.txt
+++ b/Documentation/networking/device_drivers/dec/de4x5.rst
@@ -1,48 +1,54 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===================================
+DEC EtherWORKS Ethernet De4x5 cards
+===================================
+
Originally, this driver was written for the Digital Equipment
Corporation series of EtherWORKS Ethernet cards:

- DE425 TP/COAX EISA
- DE434 TP PCI
- DE435 TP/COAX/AUI PCI
- DE450 TP/COAX/AUI PCI
- DE500 10/100 PCI Fasternet
+ - DE425 TP/COAX EISA
+ - DE434 TP PCI
+ - DE435 TP/COAX/AUI PCI
+ - DE450 TP/COAX/AUI PCI
+ - DE500 10/100 PCI Fasternet

but it will now attempt to support all cards which conform to the
Digital Semiconductor SROM Specification. The driver currently
recognises the following chips:

- DC21040 (no SROM)
- DC21041[A]
- DC21140[A]
- DC21142
- DC21143
+ - DC21040 (no SROM)
+ - DC21041[A]
+ - DC21140[A]
+ - DC21142
+ - DC21143

So far the driver is known to work with the following cards:

- KINGSTON
- Linksys
- ZNYX342
- SMC8432
- SMC9332 (w/new SROM)
- ZNYX31[45]
- ZNYX346 10/100 4 port (can act as a 10/100 bridge!)
+ - KINGSTON
+ - Linksys
+ - ZNYX342
+ - SMC8432
+ - SMC9332 (w/new SROM)
+ - ZNYX31[45]
+ - ZNYX346 10/100 4 port (can act as a 10/100 bridge!)

The driver has been tested on a relatively busy network using the DE425,
DE434, DE435 and DE500 cards and benchmarked with 'ttcp': it transferred
- 16M of data to a DECstation 5000/200 as follows:
+ 16M of data to a DECstation 5000/200 as follows::

- TCP UDP
- TX RX TX RX
- DE425 1030k 997k 1170k 1128k
- DE434 1063k 995k 1170k 1125k
- DE435 1063k 995k 1170k 1125k
- DE500 1063k 998k 1170k 1125k in 10Mb/s mode
+ TCP UDP
+ TX RX TX RX
+ DE425 1030k 997k 1170k 1128k
+ DE434 1063k 995k 1170k 1125k
+ DE435 1063k 995k 1170k 1125k
+ DE500 1063k 998k 1170k 1125k in 10Mb/s mode

All values are typical (in kBytes/sec) from a sample of 4 for each
measurement. Their error is +/-20k on a quiet (private) network and also
depend on what load the CPU has.

- =========================================================================
+----------------------------------------------------------------------------

The ability to load this driver as a loadable module has been included
and used extensively during the driver development (to save those long
@@ -55,31 +61,33 @@

0) have a copy of the loadable modules code installed on your system.
1) copy de4x5.c from the /linux/drivers/net directory to your favourite
- temporary directory.
+ temporary directory.
2) for fixed autoprobes (not recommended), edit the source code near
- line 5594 to reflect the I/O address you're using, or assign these when
- loading by:
+ line 5594 to reflect the I/O address you're using, or assign these when
+ loading by::

- insmod de4x5 io=0xghh where g = bus number
- hh = device number
+ insmod de4x5 io=0xghh where g = bus number
+ hh = device number

- NB: autoprobing for modules is now supported by default. You may just
- use:
+ .. note::

- insmod de4x5
+ autoprobing for modules is now supported by default. You may just
+ use::

- to load all available boards. For a specific board, still use
+ insmod de4x5
+
+ to load all available boards. For a specific board, still use
the 'io=?' above.
3) compile de4x5.c, but include -DMODULE in the command line to ensure
- that the correct bits are compiled (see end of source code).
+ that the correct bits are compiled (see end of source code).
4) if you are wanting to add a new card, goto 5. Otherwise, recompile a
- kernel with the de4x5 configuration turned off and reboot.
+ kernel with the de4x5 configuration turned off and reboot.
5) insmod de4x5 [io=0xghh]
- 6) run the net startup bits for your new eth?? interface(s) manually
- (usually /etc/rc.inet[12] at boot time).
+ 6) run the net startup bits for your new eth?? interface(s) manually
+ (usually /etc/rc.inet[12] at boot time).
7) enjoy!

- To unload a module, turn off the associated interface(s)
+ To unload a module, turn off the associated interface(s)
'ifconfig eth?? down' then 'rmmod de4x5'.

Automedia detection is included so that in principle you can disconnect
@@ -90,7 +98,7 @@
By default, the driver will now autodetect any DECchip based card.
Should you have a need to restrict the driver to DIGITAL only cards, you
can compile with a DEC_ONLY define, or if loading as a module, use the
- 'dec_only=1' parameter.
+ 'dec_only=1' parameter.

I've changed the timing routines to use the kernel timer and scheduling
functions so that the hangs and other assorted problems that occurred
@@ -158,18 +166,21 @@
either at the end of the parameter list or with another board name. The
following parameters are allowed:

- fdx for full duplex
- autosense to set the media/speed; with the following
- sub-parameters:
+ ========= ===============================================
+ fdx for full duplex
+ autosense to set the media/speed; with the following
+ sub-parameters:
TP, TP_NW, BNC, AUI, BNC_AUI, 100Mb, 10Mb, AUTO
+ ========= ===============================================

Case sensitivity is important for the sub-parameters. They *must* be
- upper case. Examples:
+ upper case. Examples::

- insmod de4x5 args='eth1:fdx autosense=BNC eth0:autosense=100Mb'.
+ insmod de4x5 args='eth1:fdx autosense=BNC eth0:autosense=100Mb'.

- For a compiled in driver, in linux/drivers/net/CONFIG, place e.g.
- DE4X5_OPTS = -DDE4X5_PARM='"eth0:fdx autosense=AUI eth2:autosense=TP"'
+ For a compiled in driver, in linux/drivers/net/CONFIG, place e.g.::
+
+ DE4X5_OPTS = -DDE4X5_PARM='"eth0:fdx autosense=AUI eth2:autosense=TP"'

Yes, I know full duplex isn't permissible on BNC or AUI; they're just
examples. By default, full duplex is turned off and AUTO is the default
diff --git a/Documentation/networking/device_drivers/index.rst b/Documentation/networking/device_drivers/index.rst
index e8db57fef2e9..4ad13ffb5800 100644
--- a/Documentation/networking/device_drivers/index.rst
+++ b/Documentation/networking/device_drivers/index.rst
@@ -34,6 +34,7 @@ Contents:
chelsio/cxgb
cirrus/cs89x0
davicom/dm9000
+ dec/de4x5

.. only:: subproject and html

diff --git a/drivers/net/ethernet/dec/tulip/Kconfig b/drivers/net/ethernet/dec/tulip/Kconfig
index 8ce6888ea722..8c4245d94bb2 100644
--- a/drivers/net/ethernet/dec/tulip/Kconfig
+++ b/drivers/net/ethernet/dec/tulip/Kconfig
@@ -114,7 +114,7 @@ config DE4X5
These include the DE425, DE434, DE435, DE450 and DE500 models. If
you have a network card of this type, say Y. More specific
information is contained in
- <file:Documentation/networking/device_drivers/dec/de4x5.txt>.
+ <file:Documentation/networking/device_drivers/dec/de4x5.rst>.

To compile this driver as a module, choose M here. The module will
be called de4x5.
--
2.25.4