[PATCH] batman-adv: Convert batman-adv.txt to reStructuredText

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Converting the freeform text to parsable reStructuredText, allows the
integration in the sphinx based documentation system of the kernel. It will
therefore be accessible as hypertext under
https://www.kernel.org/doc/html/latest/

Signed-off-by: Sven Eckelmann <sven@xxxxxxxxxxxxx>
---
 Documentation/networking/00-INDEX       |   2 -
 Documentation/networking/batman-adv.rst | 220 ++++++++++++++++++++++++++++++++
 Documentation/networking/batman-adv.txt | 215 -------------------------------
 Documentation/networking/index.rst      |   1 +
 MAINTAINERS                             |   2 +-
 5 files changed, 222 insertions(+), 218 deletions(-)
 create mode 100644 Documentation/networking/batman-adv.rst
 delete mode 100644 Documentation/networking/batman-adv.txt

diff --git a/Documentation/networking/00-INDEX b/Documentation/networking/00-INDEX
index c6beb5f1637f..7a79b3587dd3 100644
--- a/Documentation/networking/00-INDEX
+++ b/Documentation/networking/00-INDEX
@@ -30,8 +30,6 @@ atm.txt
 	- info on where to get ATM programs and support for Linux.
 ax25.txt
 	- info on using AX.25 and NET/ROM code for Linux
-batman-adv.txt
-	- B.A.T.M.A.N routing protocol on top of layer 2 Ethernet Frames.
 baycom.txt
 	- info on the driver for Baycom style amateur radio modems
 bonding.txt
diff --git a/Documentation/networking/batman-adv.rst b/Documentation/networking/batman-adv.rst
new file mode 100644
index 000000000000..a342b2cc3dc6
--- /dev/null
+++ b/Documentation/networking/batman-adv.rst
@@ -0,0 +1,220 @@
+==========
+batman-adv
+==========
+
+Batman advanced is a new approach to wireless networking which does no longer
+operate on the IP basis. Unlike the batman daemon, which exchanges information
+using UDP packets and sets routing tables, batman-advanced operates on ISO/OSI
+Layer 2 only and uses and routes (or better: bridges) Ethernet Frames. It
+emulates a virtual network switch of all nodes participating. Therefore all
+nodes appear to be link local, thus all higher operating protocols won't be
+affected by any changes within the network. You can run almost any protocol
+above batman advanced, prominent examples are: IPv4, IPv6, DHCP, IPX.
+
+Batman advanced was implemented as a Linux kernel driver to reduce the overhead
+to a minimum. It does not depend on any (other) network driver, and can be used
+on wifi as well as ethernet lan, vpn, etc ... (anything with ethernet-style
+layer 2).
+
+
+Configuration
+=============
+
+Load the batman-adv module into your kernel::
+
+  $ insmod batman-adv.ko
+
+The module is now waiting for activation. You must add some interfaces on which
+batman can operate. After loading the module batman advanced will scan your
+systems interfaces to search for compatible interfaces. Once found, it will
+create subfolders in the ``/sys`` directories of each supported interface,
+e.g.::
+
+  $ ls /sys/class/net/eth0/batman_adv/
+  elp_interval iface_status mesh_iface throughput_override
+
+If an interface does not have the ``batman_adv`` subfolder, it probably is not
+supported. Not supported interfaces are: loopback, non-ethernet and batman's
+own interfaces.
+
+Note: After the module was loaded it will continuously watch for new
+interfaces to verify the compatibility. There is no need to reload the module
+if you plug your USB wifi adapter into your machine after batman advanced was
+initially loaded.
+
+The batman-adv soft-interface can be created using the iproute2 tool ``ip``::
+
+  $ ip link add name bat0 type batadv
+
+To activate a given interface simply attach it to the ``bat0`` interface::
+
+  $ ip link set dev eth0 master bat0
+
+Repeat this step for all interfaces you wish to add. Now batman starts
+using/broadcasting on this/these interface(s).
+
+By reading the "iface_status" file you can check its status::
+
+  $ cat /sys/class/net/eth0/batman_adv/iface_status
+  active
+
+To deactivate an interface you have to detach it from the "bat0" interface::
+
+  $ ip link set dev eth0 nomaster
+
+
+All mesh wide settings can be found in batman's own interface folder::
+
+  $ ls /sys/class/net/bat0/mesh/
+  aggregated_ogms       fragmentation isolation_mark routing_algo
+  ap_isolation          gw_bandwidth  log_level      vlan0
+  bonding               gw_mode       multicast_mode
+  bridge_loop_avoidance gw_sel_class  network_coding
+  distributed_arp_table hop_penalty   orig_interval
+
+There is a special folder for debugging information::
+
+  $ ls /sys/kernel/debug/batman_adv/bat0/
+  bla_backbone_table log         neighbors         transtable_local
+  bla_claim_table    mcast_flags originators
+  dat_cache          nc          socket
+  gateways           nc_nodes    transtable_global
+
+Some of the files contain all sort of status information regarding the mesh
+network. For example, you can view the table of originators (mesh
+participants) with::
+
+  $ cat /sys/kernel/debug/batman_adv/bat0/originators
+
+Other files allow to change batman's behaviour to better fit your requirements.
+For instance, you can check the current originator interval (value in
+milliseconds which determines how often batman sends its broadcast packets)::
+
+  $ cat /sys/class/net/bat0/mesh/orig_interval
+  1000
+
+and also change its value::
+
+  $ echo 3000 > /sys/class/net/bat0/mesh/orig_interval
+
+In very mobile scenarios, you might want to adjust the originator interval to a
+lower value. This will make the mesh more responsive to topology changes, but
+will also increase the overhead.
+
+
+Usage
+=====
+
+To make use of your newly created mesh, batman advanced provides a new
+interface "bat0" which you should use from this point on. All interfaces added
+to batman advanced are not relevant any longer because batman handles them for
+you. Basically, one "hands over" the data by using the batman interface and
+batman will make sure it reaches its destination.
+
+The "bat0" interface can be used like any other regular interface. It needs an
+IP address which can be either statically configured or dynamically (by using
+DHCP or similar services)::
+
+  NodeA: ip link set up dev bat0
+  NodeA: ip addr add 192.168.0.1/24 dev bat0
+
+  NodeB: ip link set up dev bat0
+  NodeB: ip addr add 192.168.0.2/24 dev bat0
+  NodeB: ping 192.168.0.1
+
+Note: In order to avoid problems remove all IP addresses previously assigned to
+interfaces now used by batman advanced, e.g.::
+
+  $ ip addr flush dev eth0
+
+
+Logging/Debugging
+=================
+
+All error messages, warnings and information messages are sent to the kernel
+log. Depending on your operating system distribution this can be read in one of
+a number of ways. Try using the commands: ``dmesg``, ``logread``, or looking in
+the files ``/var/log/kern.log`` or ``/var/log/syslog``. All batman-adv messages
+are prefixed with "batman-adv:" So to see just these messages try::
+
+  $ dmesg | grep batman-adv
+
+When investigating problems with your mesh network, it is sometimes necessary to
+see more detail debug messages. This must be enabled when compiling the
+batman-adv module. When building batman-adv as part of kernel, use "make
+menuconfig" and enable the option ``B.A.T.M.A.N. debugging``
+(``CONFIG_BATMAN_ADV_DEBUG=y``).
+
+Those additional debug messages can be accessed using a special file in
+debugfs::
+
+  $ cat /sys/kernel/debug/batman_adv/bat0/log
+
+The additional debug output is by default disabled. It can be enabled during
+run time. Following log_levels are defined:
+
+.. flat-table::
+
+   * - 0
+     - All debug output disabled
+   * - 1
+     - Enable messages related to routing / flooding / broadcasting
+   * - 2
+     - Enable messages related to route added / changed / deleted
+   * - 4
+     - Enable messages related to translation table operations
+   * - 8
+     - Enable messages related to bridge loop avoidance
+   * - 16
+     - Enable messages related to DAT, ARP snooping and parsing
+   * - 32
+     - Enable messages related to network coding
+   * - 64
+     - Enable messages related to multicast
+   * - 128
+     - Enable messages related to throughput meter
+   * - 255
+     - Enable all messages
+
+The debug output can be changed at runtime using the file
+``/sys/class/net/bat0/mesh/log_level``. e.g.::
+
+  $ echo 6 > /sys/class/net/bat0/mesh/log_level
+
+will enable debug messages for when routes change.
+
+Counters for different types of packets entering and leaving the batman-adv
+module are available through ethtool::
+
+  $ ethtool --statistics bat0
+
+
+batctl
+======
+
+As batman advanced operates on layer 2, all hosts participating in the virtual
+switch are completely transparent for all protocols above layer 2. Therefore
+the common diagnosis tools do not work as expected. To overcome these problems,
+batctl was created. At the moment the batctl contains ping, traceroute, tcpdump
+and interfaces to the kernel module settings.
+
+For more information, please see the manpage (``man batctl``).
+
+batctl is available on https://www.open-mesh.org/
+
+
+Contact
+=======
+
+Please send us comments, experiences, questions, anything :)
+
+IRC:
+  #batman on irc.freenode.org
+Mailing-list:
+  b.a.t.m.a.n@xxxxxxxxxxxxx (optional subscription at
+  https://lists.open-mesh.org/mm/listinfo/b.a.t.m.a.n)
+
+You can also contact the Authors:
+
+* Marek Lindner <mareklindner@xxxxxxxxxxxxx>
+* Simon Wunderlich <sw@xxxxxxxxxxxxxxxxxx>
diff --git a/Documentation/networking/batman-adv.txt b/Documentation/networking/batman-adv.txt
deleted file mode 100644
index ccf94677b240..000000000000
--- a/Documentation/networking/batman-adv.txt
+++ /dev/null
@@ -1,215 +0,0 @@
-BATMAN-ADV
-----------
-
-Batman  advanced  is  a new approach to wireless networking which
-does no longer operate on the IP basis. Unlike the batman daemon,
-which  exchanges  information  using UDP packets and sets routing
-tables, batman-advanced operates on ISO/OSI Layer 2 only and uses
-and  routes  (or  better: bridges) Ethernet Frames. It emulates a
-virtual network switch of all nodes participating.  Therefore all
-nodes  appear  to be link local, thus all higher operating proto-
-cols won't be affected by any changes within the network. You can
-run almost any protocol above batman advanced, prominent examples
-are: IPv4, IPv6, DHCP, IPX.
-
-Batman advanced was implemented as a Linux kernel driver  to  re-
-duce the overhead to a minimum. It does not depend on any (other)
-network driver, and can be used on wifi as well as ethernet  lan,
-vpn,  etc ... (anything with ethernet-style layer 2).
-
-
-CONFIGURATION
--------------
-
-Load the batman-adv module into your kernel:
-
-# insmod batman-adv.ko
-
-The  module  is now waiting for activation. You must add some in-
-terfaces on which batman can operate. After  loading  the  module
-batman  advanced  will scan your systems interfaces to search for
-compatible interfaces. Once found, it will create  subfolders  in
-the /sys directories of each supported interface, e.g.
-
-# ls /sys/class/net/eth0/batman_adv/
-# elp_interval  iface_status  mesh_iface  throughput_override
-
-If an interface does not have the "batman_adv" subfolder it prob-
-ably is not supported. Not supported  interfaces  are:  loopback,
-non-ethernet and batman's own interfaces.
-
-Note:  After the module was loaded it will continuously watch for
-new interfaces to verify the compatibility. There is no  need  to
-reload the module if you plug your USB wifi adapter into your ma-
-chine after batman advanced was initially loaded.
-
-The batman-adv soft-interface can be created using  the  iproute2
-tool "ip"
-
-# ip link add name bat0 type batadv
-
-To  activate a  given  interface  simply  attach it to the "bat0"
-interface
-
-# ip link set dev eth0 master bat0
-
-Repeat  this step for all interfaces you wish to add.  Now batman
-starts using/broadcasting on this/these interface(s).
-
-By reading the "iface_status" file you can check its status:
-
-# cat /sys/class/net/eth0/batman_adv/iface_status
-# active
-
-To  deactivate  an  interface  you  have   to  detach it from the
-"bat0" interface:
-
-# ip link set dev eth0 nomaster
-
-
-All  mesh  wide  settings  can be found in batman's own interface
-folder:
-
-# ls /sys/class/net/bat0/mesh/
-# aggregated_ogms        fragmentation  isolation_mark  routing_algo
-# ap_isolation           gw_bandwidth   log_level       vlan0
-# bonding                gw_mode        multicast_mode
-# bridge_loop_avoidance  gw_sel_class   network_coding
-# distributed_arp_table  hop_penalty    orig_interval
-
-There is a special folder for debugging information:
-
-# ls /sys/kernel/debug/batman_adv/bat0/
-# bla_backbone_table  log          neighbors          transtable_local
-# bla_claim_table     mcast_flags  originators
-# dat_cache           nc           socket
-# gateways            nc_nodes     transtable_global
-
-Some of the files contain all sort of status information  regard-
-ing  the  mesh  network.  For  example, you can view the table of
-originators (mesh participants) with:
-
-# cat /sys/kernel/debug/batman_adv/bat0/originators
-
-Other files allow to change batman's behaviour to better fit your
-requirements.  For instance, you can check the current originator
-interval (value in milliseconds which determines how often batman
-sends its broadcast packets):
-
-# cat /sys/class/net/bat0/mesh/orig_interval
-# 1000
-
-and also change its value:
-
-# echo 3000 > /sys/class/net/bat0/mesh/orig_interval
-
-In very mobile scenarios, you might want to adjust the originator
-interval to a lower value. This will make the mesh  more  respon-
-sive to topology changes, but will also increase the overhead.
-
-
-USAGE
------
-
-To  make use of your newly created mesh, batman advanced provides
-a new interface "bat0" which you should use from this  point  on.
-All  interfaces  added  to  batman  advanced are not relevant any
-longer because batman handles them for you. Basically, one "hands
-over" the data by using the batman interface and batman will make
-sure it reaches its destination.
-
-The "bat0" interface can be used like any  other  regular  inter-
-face.  It needs an IP address which can be either statically con-
-figured or dynamically (by using DHCP or similar services):
-
-# NodeA: ip link set up dev bat0
-# NodeA: ip addr add 192.168.0.1/24 dev bat0
-
-# NodeB: ip link set up dev bat0
-# NodeB: ip addr add 192.168.0.2/24 dev bat0
-# NodeB: ping 192.168.0.1
-
-Note:  In  order to avoid problems remove all IP addresses previ-
-ously assigned to interfaces now used by batman advanced, e.g.
-
-# ip addr flush dev eth0
-
-
-LOGGING/DEBUGGING
------------------
-
-All error messages, warnings and information messages are sent to
-the kernel log. Depending on your operating  system  distribution
-this  can  be read in one of a number of ways. Try using the com-
-mands: dmesg, logread, or looking in the files  /var/log/kern.log
-or  /var/log/syslog.  All  batman-adv  messages are prefixed with
-"batman-adv:" So to see just these messages try
-
-# dmesg | grep batman-adv
-
-When investigating problems with your mesh network  it  is  some-
-times  necessary  to see more detail debug messages. This must be
-enabled when compiling the batman-adv module. When building  bat-
-man-adv  as  part of kernel, use "make menuconfig" and enable the
-option "B.A.T.M.A.N. debugging".
-
-Those additional  debug messages can be accessed  using a special
-file in debugfs
-
-# cat /sys/kernel/debug/batman_adv/bat0/log
-
-The additional debug output is by default disabled. It can be en-
-abled  during run time. Following log_levels are defined:
-
-  0 - All  debug  output  disabled
-  1 - Enable messages related to routing / flooding / broadcasting
-  2 - Enable messages related to route added / changed / deleted
-  4 - Enable messages related to translation table operations
-  8 - Enable messages related to bridge loop avoidance
- 16 - Enable messages related to DAT, ARP snooping and parsing
- 32 - Enable messages related to network coding
- 64 - Enable messages related to multicast
-128 - Enable messages related to throughput meter
-255 - Enable all messages
-
-The debug output can be changed at runtime  using  the  file
-/sys/class/net/bat0/mesh/log_level. e.g.
-
-# echo 6 > /sys/class/net/bat0/mesh/log_level
-
-will enable debug messages for when routes change.
-
-Counters for different types of packets entering and leaving the
-batman-adv module are available through ethtool:
-
-# ethtool --statistics bat0
-
-
-BATCTL
-------
-
-As batman advanced operates on layer 2 all hosts participating in
-the  virtual switch are completely transparent for all  protocols
-above layer 2. Therefore the common diagnosis tools do  not  work
-as  expected.  To  overcome these problems batctl was created. At
-the  moment the  batctl contains ping,  traceroute,  tcpdump  and
-interfaces to the kernel module settings.
-
-For more information, please see the manpage (man batctl).
-
-batctl is available on https://www.open-mesh.org/
-
-
-CONTACT
--------
-
-Please send us comments, experiences, questions, anything :)
-
-IRC:            #batman   on   irc.freenode.org
-Mailing-list:   b.a.t.m.a.n@xxxxxxxxxxxxx (optional  subscription
-          at https://lists.open-mesh.org/mm/listinfo/b.a.t.m.a.n)
-
-You can also contact the Authors:
-
-Marek  Lindner  <mareklindner@xxxxxxxxxxxxx>
-Simon  Wunderlich  <sw@xxxxxxxxxxxxxxxxxx>
diff --git a/Documentation/networking/index.rst b/Documentation/networking/index.rst
index b5bd87e01f52..66e620866245 100644
--- a/Documentation/networking/index.rst
+++ b/Documentation/networking/index.rst
@@ -6,6 +6,7 @@ Contents:
 .. toctree::
    :maxdepth: 2
 
+   batman-adv
    kapi
    z8530book
 
diff --git a/MAINTAINERS b/MAINTAINERS
index 2af3ab3f7702..62d216af5bd4 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2481,7 +2481,7 @@ Q:	https://patchwork.open-mesh.org/project/batman/list/
 S:	Maintained
 F:	Documentation/ABI/testing/sysfs-class-net-batman-adv
 F:	Documentation/ABI/testing/sysfs-class-net-mesh
-F:	Documentation/networking/batman-adv.txt
+F:	Documentation/networking/batman-adv.rst
 F:	include/uapi/linux/batman_adv.h
 F:	net/batman-adv/
 
-- 
2.11.0

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