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Andy Gospodarek aa05b988f5 iproute2: unify naming for entries offloaded to hardware 
The kernel now has the capability to offload FDB and FIB entries to hardware.
It is important to let users know if table entries are also offloaded to
hardware.  Currently offloaded FDB entries are indicated by the existence of
the flag 'external' on the entry as of the following commit:

commit 28467b7f3f
Author: Scott Feldman <sfeldma@gmail.com>
Date:   Thu Dec 4 09:57:15 2014 +0100

    bridge/fdb: add flag/indication for FDB entry synced from offload device

When the patch to add support for indicating that FIB entries were also
offloaded as posted to netdev by Scott Feldman it became clear that 'external'
would not be an ideal name for routes.  There could definitely be confusion
about what this might mean since many routes are to external networks -- a
collision/confusion that did not happen with FDB.

Scott Feldman asked me to check with others and build concensus around a name.
After speaking with several people about this I am proposing we refer to both
FDB and FIB entries that are currently backed by hardware (based on the work
done in rocker) with the flag 'offload' appended to the end ofthe entry.

Some people liked the string 'external,' others liked 'hardware,' but the point
is to communicate that these routes are available to something that will will
offload the forwarding normally done by the kernel.  Since the term 'offload'
is used so frequently it seems appropriate to use the same language in
ip/bridge output.

The term 'offload' also seems to resonate with many of the people who have
responded on Scott's original thread or to those who I reached out to directly
and did respond to my query, so it seems we have reached consensus that it
should be the term used going forward.

v2: rebased against net-next branch

Signed-off-by: Andy Gospodarek <gospo@cumulusnetworks.com>
CC: Jamal Hadi Salim <jhs@mojatatu.com>
CC: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
CC: Jiri Pirko <jiri@resnulli.us>
CC: John W. Linville <linville@tuxdriver.com>
CC: Roopa Prabhu <roopa@cumulusnetworks.com>
CC: Scott Feldman <sfeldma@gmail.com>
CC: Stephen Hemminger <stephen@networkplumber.org>
2015-04-13 09:40:46 -07:00
bridge iproute2: unify naming for entries offloaded to hardware 2015-04-13 09:40:46 -07:00
doc ip: support RFC4191 router preference 2015-03-24 15:45:23 -07:00
etc/iproute2 rt_dsfield: fix Expedited Forwarding PHB 2014-12-03 18:50:59 -08:00
examples tc, bpf: finalize eBPF support for cls and act front-end 2015-04-10 13:31:19 -07:00
genl genl: fix a typo in help message of ctrl 2014-02-10 14:41:25 -08:00
include Merge branch 'master' into net-next 2015-04-13 09:39:46 -07:00
ip iproute2: unify naming for entries offloaded to hardware 2015-04-13 09:40:46 -07:00
lib Merge branch 'master' into net-next 2015-04-07 08:56:14 -07:00
man Merge branch 'master' into net-next 2015-04-10 13:27:37 -07:00
misc ss: better 32bit support 2015-03-15 12:11:43 -07:00
netem netem: fix installs of dist files 2010-07-31 19:31:04 -07:00
tc tc, bpf: finalize eBPF support for cls and act front-end 2015-04-10 13:31:19 -07:00
testsuite tests: Add few 'ip link' related tests 2015-02-05 10:16:25 -08:00
.gitignore gitignore: Ignore 'doc' files generated at runtime 2014-10-29 22:26:15 -07:00
configure Merge branch 'master' into net-next 2015-04-13 09:39:46 -07:00
COPYING Update address of FSF in license 2008-03-08 13:31:03 -08:00
Makefile add basic mpls support to iproute 2015-03-24 15:45:23 -07:00
README README: update mail address and download location 2013-01-18 09:54:58 -08:00
README.decnet Decnet documentation update 2005-06-13 18:47:56 +00:00
README.devel iproute2: fix minor typo in comments 2011-07-11 10:11:09 -07:00
README.distribution README cleanup's 2012-01-03 15:04:55 -08:00
README.iproute2+tc tc, bpf: finalize eBPF support for cls and act front-end 2015-04-10 13:31:19 -07:00
README.lnstat Rename: misc/README.lnstat -> README.lnstat 2004-10-19 20:24:47 +00:00

README 

This is a set of utilities for Linux networking.

Information:
    http://www.linuxfoundation.org/collaborate/workgroups/networking/iproute2

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

Repository:
    git://git.kernel.org/pub/scm/linux/kernel/git/shemminger/iproute2.git

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

arpd needs to have the db4 development libraries. For Debian
users this is the package with a name like libdb4.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 file which
contains whether or not ATM is available, etc.

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