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Phil Sutter 9b7ea92b9e tc: u32: Fix key folding in sample option 
In between Linux kernel 2.4 and 2.6, key folding for hash tables changed
in kernel space. When iproute2 dropped support for the older algorithm,
the wrong code was removed and kernel 2.4 folding method remained in
place. To get things functional for recent kernels again, restoring the
old code alone was not sufficient - additional byteorder fixes were
needed.

While being at it, make use of ffs() and thereby align the code with how
kernel determines the shift width.

Fixes: 267480f553 ("Backout the 2.4 utsname hash patch.")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
 		2021-08-10 20:02:43 -07:00
bash-completion devlink: add support for port params get/set 2021-02-11 09:21:24 -07:00
bridge bridge: vlan: dump port only if there are any vlans 2021-04-26 02:32:46 +00:00
dcb dcb: fix memory leak 2021-05-06 14:48:02 +00:00
devlink devlink: fix infinite loop on flash update for drivers without status 2021-08-10 19:54:39 -07:00
doc/actions doc: remove trailing whitespace 2018-12-19 12:02:38 -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: headers update 2021-07-17 11:12:47 -07:00
ip ip route: ignore ENOENT during save if RT_TABLE_MAIN is being dumped 2021-07-07 07:32:56 -07:00
lib lib: bpf_glue: remove useless assignment 2021-08-10 20:01:54 -07:00
man tc/skbmod: Remove misinformation about the swap action 2021-07-22 15:14:29 -07:00
misc Merge git://git.kernel.org/pub/scm/network/iproute2/iproute2-next 2021-02-23 23:03:42 -08:00
netem doc: remove trailing whitespace 2018-12-19 12:02:38 -08:00
rdma rdma: Add copy-on-fork to get sys command 2021-05-03 14:43:13 +00:00
schema bridge: add json schema for bridge fdb show 2016-07-20 12:02:02 -07:00
tc tc: u32: Fix key folding in sample option 2021-08-10 20:02:43 -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 config.mk: Rerun configure when it is newer than config.mk 2021-05-17 02:13:56 +00:00
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: convert LIBBPF environment variables to command-line options 2021-06-03 03:25:59 +00:00

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