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Anssi Hannula a787d9ae10 man: tc-u32: Fix page to match new firstfrag behavior 
Commit 690b11f4a6 ("tc: u32: Fix firstfrag filter.") applied in 2012
changed the "ip firstfrag" selector to not match non-fragmented packets
anymore.

However, the documentation added in f15a23966f ("tc: add a man page
for u32 filter") in 2015 includes an example that relies on the previous
behavior (non-fragmented packet counted as first fragment).

Due to this, the example does not work correctly and does not actually
classify regular SSH packets.

Modify the example to use a raw u16 selector on the fragment offset to
make it work, and also make the firstfrag description more clear about
the current behavior.

Fixes: f15a23966f ("tc: add a man page for u32 filter")
Signed-off-by: Anssi Hannula <anssi.hannula@bitwise.fi>
Cc: Phil Sutter <phil@nwl.cc>
Cc: Hiroaki SHIMODA <shimoda.hiroaki@gmail.com>
Acked-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
 		2021-11-09 10:46:17 -08:00
bash-completion devlink: add support for port params get/set 2021-02-11 09:21:24 -07:00
bridge Merge branch 'main' into next 2021-10-09 17:47:47 -06:00
dcb dcb: fix memory leak 2021-05-06 14:48:02 +00:00
devlink Merge branch 'main' into next 2021-11-04 09:45:31 -06:00
doc/actions Fix some typos detected by Lintian in manpages 2021-11-09 10:45:44 -08:00
etc/iproute2 Add Open/R to rt_protos 2021-03-30 03:04:09 +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 uapi: update vdpa.h 2021-11-09 10:40:40 -08:00
ip iplink_can: add new CAN FD bittiming parameters: Transmitter Delay Compensation (TDC) 2021-11-04 09:43:10 -06:00
lib Merge branch 'main' into next 2021-11-04 09:45:31 -06:00
man man: tc-u32: Fix page to match new firstfrag behavior 2021-11-09 10:46:17 -08:00
misc cmd: use spaces instead of tabs for usage indentation 2021-10-06 10:00:49 -07:00
netem doc: remove trailing whitespace 2018-12-19 12:02:38 -08:00
rdma Merge branch 'main' into next 2021-11-04 09:45:31 -06:00
schema bridge: add json schema for bridge fdb show 2016-07-20 12:02:02 -07:00
tc tc/f_flower: fix port range parsing 2021-09-22 17:28:48 -07:00
testsuite testsuite: Add mpls packet matching tests for tc flower 2020-12-16 04:14:26 +00:00
tipc tipc: bail out if key is abnormally long 2021-05-09 22:08:47 +00:00
vdpa vdpa: add .gitignore 2021-02-23 23:12:14 -08:00
.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 configure: add the --libdir option 2021-10-15 17:57:20 -06:00
README README: remove doc instructions 2021-03-20 09:29:02 -07:00
README.devel README: update location of git repositories, remove broken info link 2018-02-13 16:42:51 -08:00
configure configure: add the --libdir option 2021-10-15 17:57:20 -06:00

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. 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

Alexey Kuznetsov
kuznet@ms2.inr.ac.ru