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Daniel Borkmann afc1a2000b tc, bpf: further improve error reporting
Make it easier to spot issues when loading the object file fails. This
includes reporting in what pinned object specs differ, better indication
when we've reached instruction limits. Don't retry to load a non relo
program once we failed with bpf(2), and report out of bounds tail call key.

Also, add truncation of huge log outputs by default. Sometimes errors are
quite easy to spot by only looking at the tail of the verifier log, but
logs can get huge in size e.g. up to few MB (due to verifier checking all
possible program paths). Thus, by default limit output to the last 4096
bytes and indicate that it's truncated. For the full log, the verbose option
can be used.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2016-04-11 21:53:58 +00:00
bridge bridge: vlan: add support to filter by vlan id 2016-04-11 21:52:47 +00:00
devlink devlink: ignore build result 2016-04-11 13:35:12 -07:00
doc doc/tc-filters.tex: Drop overly subjective paragraphs 2016-03-27 10:34:40 -07:00
etc/iproute2 {f, m}_bpf: allow for user-defined object pinnings 2015-11-29 11:55:16 -08:00
examples tc, bpf, examples: further bpf_api improvements 2016-02-07 11:27:38 -08:00
genl scrub out whitespace issues 2016-03-27 10:50:14 -07:00
include tc, bpf: add new csum and tunnel signatures 2016-04-11 21:53:58 +00:00
ip iplink: display number of rx/tx queues 2016-04-11 21:51:28 +00:00
lib include: add linked list implementation from kernel 2016-03-27 10:56:11 -07:00
man geneve: add support to set flow label 2016-03-27 10:58:48 -07:00
misc make format_host non-reentrant by default 2016-03-27 10:37:34 -07:00
netem scrub out whitespace issues 2016-03-27 10:50:14 -07:00
tc tc, bpf: further improve error reporting 2016-04-11 21:53:58 +00:00
testsuite testsuite: add a test for tc pedit action 2016-03-27 10:34:38 -07:00
tipc Revert "tipc: add peer remove functionality" 2016-02-09 10:51:32 -08:00
.gitignore doc: Add my article about tc, filters and actions 2016-03-04 15:29:00 -08:00
COPYING Update address of FSF in license 2008-03-08 13:31:03 -08:00
Makefile add devlink tool 2016-03-27 10:57:15 -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
configure configure: Check for Berkeley DB for arpd compilation 2015-09-21 14:38:38 -07:00

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