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Vadim Kochan b13ba03f54 ip netns: Allow exec on each netns
This change allows to exec some cmd on each
named netns (except default) by specifying '-all' option:

    # ip -all netns exec ip link

Each command executes synchronously.

Exit status is not considered, so there might be a case
that some CMD can fail on some netns but success on the other.

EXAMPLES:

1) Show link info on all netns:

$ ip -all netns exec ip link

netns: test_net
1: lo: <LOOPBACK> mtu 65536 qdisc noop state DOWN mode DEFAULT group default
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
4: tap0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN mode DEFAULT group default qlen 500
    link/ether 1a:19:6f:25:eb:85 brd ff:ff:ff:ff:ff:ff

netns: home0
1: lo: <LOOPBACK> mtu 65536 qdisc noop state DOWN mode DEFAULT group default
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
4: tap0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN mode DEFAULT group default qlen 500
    link/ether ea:1a:59:40:d3:29 brd ff:ff:ff:ff:ff:ff

netns: lan0
1: lo: <LOOPBACK> mtu 65536 qdisc noop state DOWN mode DEFAULT group default
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
4: tap0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN mode DEFAULT group default qlen 500
    link/ether ce:49:d5:46:81:ea brd ff:ff:ff:ff:ff:ff

2) Set UP tap0 device for the all netns:

$ ip -all netns exec ip link set dev tap0 up

netns: test_net

netns: home0

netns: lan0

Signed-off-by: Vadim Kochan <vadim4j@gmail.com>
2015-02-05 10:28:19 -08:00
bridge Use one func to print timestamp from nlmsg 2015-01-13 17:34:47 -08:00
doc fix spelling of Kuznetsov 2015-01-03 09:58:41 -08:00
etc/iproute2 rt_dsfield: fix Expedited Forwarding PHB 2014-12-03 18:50:59 -08:00
examples Fix FSF address in file headers 2013-12-06 15:05:07 -08:00
genl genl: fix a typo in help message of ctrl 2014-02-10 14:41:25 -08:00
include ip netns: Allow exec on each netns 2015-02-05 10:28:19 -08:00
ip ip netns: Allow exec on each netns 2015-02-05 10:28:19 -08:00
lib lib: Exec func on each netns 2015-02-05 10:28:19 -08:00
man ip netns: Allow exec on each netns 2015-02-05 10:28:19 -08:00
misc ss: Unify inet sockets output 2015-02-05 10:16:25 -08:00
netem netem: fix installs of dist files 2010-07-31 19:31:04 -07:00
tc actions: Get vlan action to work in pipeline 2015-01-13 17:22:44 -08:00
testsuite tests: Add few 'ip link' related tests 2015-02-05 10:16:25 -08:00
.gitignore gitignore: Ignore 'doc' files generated at runtime 2014-10-29 22:26:15 -07:00
COPYING Update address of FSF in license 2008-03-08 13:31:03 -08:00
Makefile fix format warnings 2014-05-29 10:31:30 -07:00
README README: update mail address and download location 2013-01-18 09:54:58 -08:00
README.decnet Decnet documentation update 2005-06-13 18:47:56 +00:00
README.devel iproute2: fix minor typo in comments 2011-07-11 10:11:09 -07:00
README.distribution README cleanup's 2012-01-03 15:04:55 -08:00
README.iproute2+tc README cleanup's 2012-01-03 15:04:55 -08:00
README.lnstat Rename: misc/README.lnstat -> README.lnstat 2004-10-19 20:24:47 +00:00
configure configure: Add check for the doc tools 2014-11-30 09:50:25 -08:00

README

This is a set of utilities for Linux networking.

Information:
    http://www.linuxfoundation.org/collaborate/workgroups/networking/iproute2

Download:
    http://www.kernel.org/pub/linux/utils/net/iproute2/

Repository:
    git://git.kernel.org/pub/scm/linux/kernel/git/shemminger/iproute2.git

How to compile this.
--------------------
1. libdbm

arpd needs to have the db4 development libraries. For Debian
users this is the package with a name like libdb4.x-dev.
DBM_INCLUDE points to the directory with db_185.h which
is the include file used by arpd to get to the old format Berkeley
database routines.  Often this is in the db-devel package.

2. make

The makefile will automatically build a Config file which
contains whether or not ATM is available, etc.

3. To make documentation, cd to doc/ directory , then
   look at start of Makefile and set correct values for
   PAGESIZE=a4		, ie: a4 , letter ...	(string)
   PAGESPERPAGE=2	, ie: 1 , 2 ...		(numeric)
   and make there. It assumes, that latex, dvips and psnup
   are in your path.

4. This package includes matching sanitized kernel headers because
   the build environment may not have up to date versions. See Makefile
   if you have special requirements and need to point at different
   kernel include files.

Stephen Hemminger
stephen@networkplumber.org

Alexey Kuznetsov
kuznet@ms2.inr.ac.ru