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554ea3649d
When running "ip monitor", accept_msg() first prints the prefix and
then calls the object-specific print function, which also does the
filtering. Therefore, it is possible that the prefix is printed even
for events that get ignored later. For example:
ip link add dummy1 type dummy
ip link set dummy1 up
ip -ts monitor all dev dummy1 &
ip link add dummy2 type dummy
ip addr add dev dummy1 192.0.2.1/24
generates:
[2024-07-12T22:11:26.338342] [LINK][2024-07-12T22:11:26.339846] [ADDR]314: dummy1 inet 192.0.2.1/24 scope global dummy1
valid_lft forever preferred_lft forever
Fix this by printing the prefix only after the filtering. Now the
output for the commands above is:
[2024-07-12T22:11:26.339846] [ADDR]314: dummy1 inet 192.0.2.1/24 scope global dummy1
valid_lft forever preferred_lft forever
See also commit 7e0a889b5494 ("bridge: Do not print stray prefixes in
monitor mode") which fixed the same problem in the bridge tool.
Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
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
Compatibility
-------------
A new release of iproute2 is done with each kernel version, but
there is a wide range of compatibility. Newer versions of iproute2
will still work with older kernels, but there are some limitations.
If an iproute2 command with a new feature is used with an older
kernel, the kernel may report an error or silently ignore the new
attribute. Likewise if older iproute2 is used with an newer kernel,
it is not possible to use or see new features. The range of
compatibility extends back as far as the oldest supported Long Term
Support (LTS) kernel version.
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. include/uapi
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
David Ahern
dsahern@gmail.com