[PATCH 31/38] docs: networking: convert ip_dynaddr.txt to ReST

From: Mauro Carvalho Chehab
Date: Mon Apr 27 2020 - 18:03:44 EST


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

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
---
Documentation/networking/index.rst | 1 +
.../{ip_dynaddr.txt => ip_dynaddr.rst} | 29 +++++++++++++------
2 files changed, 21 insertions(+), 9 deletions(-)
rename Documentation/networking/{ip_dynaddr.txt => ip_dynaddr.rst} (65%)

diff --git a/Documentation/networking/index.rst b/Documentation/networking/index.rst
index cf85d0a73144..f81aeb87aa28 100644
--- a/Documentation/networking/index.rst
+++ b/Documentation/networking/index.rst
@@ -66,6 +66,7 @@ Contents:
hinic
ila
ipddp
+ ip_dynaddr

.. only:: subproject and html

diff --git a/Documentation/networking/ip_dynaddr.txt b/Documentation/networking/ip_dynaddr.rst
similarity index 65%
rename from Documentation/networking/ip_dynaddr.txt
rename to Documentation/networking/ip_dynaddr.rst
index 45f3c1268e86..eacc0c780c7f 100644
--- a/Documentation/networking/ip_dynaddr.txt
+++ b/Documentation/networking/ip_dynaddr.rst
@@ -1,10 +1,15 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==================================
IP dynamic address hack-port v0.03
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+==================================
+
This stuff allows diald ONESHOT connections to get established by
dynamically changing packet source address (and socket's if local procs).
It is implemented for TCP diald-box connections(1) and IP_MASQuerading(2).

-If enabled[*] and forwarding interface has changed:
+If enabled\ [#]_ and forwarding interface has changed:
+
1) Socket (and packet) source address is rewritten ON RETRANSMISSIONS
while in SYN_SENT state (diald-box processes).
2) Out-bounded MASQueraded source address changes ON OUTPUT (when
@@ -12,18 +17,24 @@ If enabled[*] and forwarding interface has changed:
received by the tunnel.

This is specially helpful for auto dialup links (diald), where the
-``actual'' outgoing address is unknown at the moment the link is
+``actual`` outgoing address is unknown at the moment the link is
going up. So, the *same* (local AND masqueraded) connections requests that
bring the link up will be able to get established.

-[*] At boot, by default no address rewriting is attempted.
- To enable:
+.. [#] At boot, by default no address rewriting is attempted.
+
+ To enable::
+
# echo 1 > /proc/sys/net/ipv4/ip_dynaddr
- To enable verbose mode:
- # echo 2 > /proc/sys/net/ipv4/ip_dynaddr
- To disable (default)
+
+ To enable verbose mode::
+
+ # echo 2 > /proc/sys/net/ipv4/ip_dynaddr
+
+ To disable (default)::
+
# echo 0 > /proc/sys/net/ipv4/ip_dynaddr

Enjoy!

--- Juanjo <jjciarla@xxxxxxxxxxxxxxxx>
+Juanjo <jjciarla@xxxxxxxxxxxxxxxx>
--
2.25.4