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Thayne McCombs 38957a2f6c ss: Add clarification about host conditions with multiple familes to man 
In creating documentation for expressions I ran into an interesting case
where if you use two different familie types in the expression, such as
in `ss 'sport inet:ssh or src unix:/run/*'`, then you would only get the
results for one address family (in this case unix sockets).

The reason is that in parse_hostcond if the family is specified we
remove any previously added families from filter->families, and
preserve the "states" if any states are set. I tried changing this to
not reset the families, but ran into some issues with Invalid Argument
errors in inet_show_netlink, I think related to the state.

I can dig into that more if supporting this is useful, but I'm not sure
if these types of expressions would actually be useful in practice. Or
perhaps an error should be given if an expression contains conditions
with multiple families (besides inet and inet6)?

Anyway, for now, this patch just notes the limitation in the man page.

Signed-off-by: Thayne McCombs <astrothayne@gmail.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
 		2021-02-02 14:30:40 -08:00
bash-completion devlink: Add health reporter test command support 2020-10-07 00:08:53 -06:00
bridge bridge: add support for L2 multicast groups 2020-11-29 20:54:02 +00:00
dcb build: Fix link errors on some systems 2021-01-18 12:28:47 -08:00
devlink Merge branch 'main' into next 2020-12-16 04:06:06 +00:00
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/bpf: add bpf examples with BTF defined maps 2020-11-24 22:14:08 -07:00
genl genl: ctrl: print op -> policy idx mapping 2020-10-11 20:10:09 -06:00
include build: Fix link errors on some systems 2021-01-18 12:28:47 -08:00
ip iplink: print warning for missing VF data 2021-02-02 14:18:42 -08:00
lib vrf: fix ip vrf exec with libbpf 2021-01-18 12:32:17 -08:00
man ss: Add clarification about host conditions with multiple familes to man 2021-02-02 14:30:40 -08:00
misc ss: do not emit warn while dumping MPTCP on old kernels 2021-02-02 14:17:14 -08:00
netem doc: remove trailing whitespace 2018-12-19 12:02:38 -08:00
rdma Merge branch 'main' into next 2020-11-24 22:04:48 -07:00
schema bridge: add json schema for bridge fdb show 2016-07-20 12:02:02 -07:00
tc tc: flower: fix json output with mpls lse 2021-01-16 09:13:36 -08:00
testsuite testsuite: Add mpls packet matching tests for tc flower 2020-12-16 04:14:26 +00:00
tipc tipc: add option to set rekeying for encryption 2020-10-20 09:04:45 -06:00
.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 Add skeleton of a new tool, dcb 2020-11-13 19:43:19 -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 iproute2: add check_libbpf() and get_libbpf_version() 2020-11-24 22:14:02 -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