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Jan Engelhardt 0ca1312c20 ip: add error reporting when RTM_GETNSID failed
`ip addr` when run under qemu-user-riscv64, fails. This likely is due
to qemu-5.1 not doing translation of RTM_GETNSID calls. Aborting ip
completely is not helpful for the user however. This patch reworks
the error handling.

Before:

rtest:/ # ip a
2: host0@if4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
request send failed: Operation not supported
    link/ether 46:3f:2d:88:3d:db brd ff:ff:ff:ff:ff:ffrtest:/ #

Afterwards:

rtest:/ # ip a
2: host0@if4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
rtnl_send(RTM_GETNSID): Operation not supported. Continuing anyway.
    link/ether 46:3f:2d:88:3d:db brd ff:ff:ff:ff:ff:ff link-netnsid 0
    inet 192.168.72.147/28 brd 192.168.72.159 scope global host0
       valid_lft forever preferred_lft forever
    inet6 fe80::443f:2dff:fe88:3ddb/64 scope link
       valid_lft forever preferred_lft forever

Signed-off-by: Jan Engelhardt <jengelh@inai.de>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
2020-10-12 08:10:25 -07:00
bash-completion devlink: Add 'mirror' trap action 2020-06-11 09:51:10 -07:00
bridge Merge branch 'main' into next 2020-08-06 16:21:35 +00:00
devlink devlink: Add fflush() in cmd_mon_show_cb() 2020-08-22 21:13:11 -07:00
doc/actions doc: remove trailing whitespace 2018-12-19 12:02:38 -08:00
etc/iproute2 add support to keepalived rtm_protocol 2020-07-05 15:03:45 +00:00
examples/bpf examples: remove diffserv 2019-10-23 09:13:55 -07:00
genl replace SNAPSHOT with auto-generated version string 2020-08-03 10:02:47 -07:00
include uapi: add new SNMP entry 2020-10-11 22:50:22 -07:00
ip ip: add error reporting when RTM_GETNSID failed 2020-10-12 08:10:25 -07:00
lib lib: ignore invalid mounts in cg_init_map 2020-10-11 23:02:35 -07:00
man ip: updated ip-link man page 2020-09-14 20:42:04 -07:00
misc Merge branch 'main' into next 2020-08-06 16:21:35 +00:00
netem doc: remove trailing whitespace 2018-12-19 12:02:38 -08:00
rdma rdma: Properly print device and link names in CLI output 2020-08-16 15:50:02 -07:00
schema bridge: add json schema for bridge fdb show 2016-07-20 12:02:02 -07:00
tc Merge branch 'main' into next 2020-08-06 16:21:35 +00:00
testsuite testsuite: Add tests for bareudp tunnels 2020-07-20 13:30:55 -07:00
tipc tipc: fixed a compile warning in tipc/link.c 2020-07-13 08:43:32 -07:00
.clang-format clang-format: add configuration file 2019-01-17 13:38:23 -08:00
.gitignore Remove leftovers from removed Latex documentation 2018-02-13 16:43:19 -08:00
.mailmap mailmap: map David's mail address 2019-05-15 09:50:42 -07:00
COPYING Update address of FSF in license 2008-03-08 13:31:03 -08:00
Makefile build: avoid make jobserver warnings 2020-09-28 13:49:24 -07:00
README README: update libdb build dependency information 2018-05-01 19:29:03 -07:00
README.devel README: update location of git repositories, remove broken info link 2018-02-13 16:42:51 -08:00
configure configure: support ipset version 7 with kernel version 5 2020-07-08 08:48:02 -07:00

README

This is a set of utilities for Linux networking.

Information:
    https://wiki.linuxfoundation.org/networking/iproute2

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

Stable version repository:
    git://git.kernel.org/pub/scm/network/iproute2/iproute2.git

Development repository:
    git://git.kernel.org/pub/scm/network/iproute2/iproute2-next.git

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

arpd needs to have the berkeleydb development libraries. For Debian
users this is the package with a name like libdbX.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.mk file which
contains definitions of libraries that may or may not be available
on the system such as: ATM, ELF, MNL, and SELINUX.

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