Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2024-12-29 17:22:07 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

docs: networking: convert ip_dynaddr.txt to ReST

Browse Source 
- 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@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mauro Carvalho Chehab 2020-04-28 00:01:46 +02:00 committed by David S. Miller
parent 7cdb25400f
commit 9de1fcdf36
2 changed files with 21 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Documentation/networking/index.rst
View File

@ -66,6 +66,7 @@ Contents:
hinic hinic
ila ila
ipddp ipddp
ip_dynaddr
.. only:: subproject and html .. only:: subproject and html

29
Documentation/networking/ip_dynaddr.txt → Documentation/networking/ip_dynaddr.rst
View File

@ -1,10 +1,15 @@
.. SPDX-License-Identifier: GPL-2.0
==================================
IP dynamic address hack-port v0.03 IP dynamic address hack-port v0.03
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ==================================
This stuff allows diald ONESHOT connections to get established by This stuff allows diald ONESHOT connections to get established by
dynamically changing packet source address (and socket's if local procs). dynamically changing packet source address (and socket's if local procs).
It is implemented for TCP diald-box connections(1) and IP_MASQuerading(2). 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 1) Socket (and packet) source address is rewritten ON RETRANSMISSIONS
while in SYN_SENT state (diald-box processes). while in SYN_SENT state (diald-box processes).
2) Out-bounded MASQueraded source address changes ON OUTPUT (when 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. received by the tunnel.
This is specially helpful for auto dialup links (diald), where the 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 going up. So, the *same* (local AND masqueraded) connections requests that
bring the link up will be able to get established. bring the link up will be able to get established.
[*] At boot, by default no address rewriting is attempted. .. [#] At boot, by default no address rewriting is attempted.
To enable:
To enable::
# echo 1 > /proc/sys/net/ipv4/ip_dynaddr # echo 1 > /proc/sys/net/ipv4/ip_dynaddr
To enable verbose mode:
# echo 2 > /proc/sys/net/ipv4/ip_dynaddr To enable verbose mode::
To disable (default)
# echo 2 > /proc/sys/net/ipv4/ip_dynaddr
To disable (default)::
# echo 0 > /proc/sys/net/ipv4/ip_dynaddr # echo 0 > /proc/sys/net/ipv4/ip_dynaddr
Enjoy! Enjoy!
-- Juanjo <jjciarla@raiz.uncu.edu.ar> Juanjo <jjciarla@raiz.uncu.edu.ar>