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503e9229b0
This patch aim to add basic checking functions for later iproute2 libbpf support. First we add check_libbpf() in configure to see if we have bpf library support. By default the system libbpf will be used, but static linking against a custom libbpf version can be achieved by passing libbpf DESTDIR to variable LIBBPF_DIR for configure. Another variable LIBBPF_FORCE is used to control whether to build iproute2 with libbpf. If set to on, then force to build with libbpf and exit if not available. If set to off, then force to not build with libbpf. When dynamically linking against libbpf, we can't be sure that the version we discovered at compile time is actually the one we are using at runtime. This can lead to hard-to-debug errors. So we add a new file lib/bpf_glue.c and a helper function get_libbpf_version() to get correct libbpf version at runtime. Signed-off-by: Hangbin Liu <haliu@redhat.com> Signed-off-by: David Ahern <dsahern@gmail.com> |
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|---|---|---|
| bash-completion | ||
| bridge | ||
| dcb | ||
| devlink | ||
| doc/actions | ||
| etc/iproute2 | ||
| examples/bpf | ||
| genl | ||
| include | ||
| ip | ||
| lib | ||
| man | ||
| misc | ||
| netem | ||
| rdma | ||
| schema | ||
| tc | ||
| testsuite | ||
| tipc | ||
| .clang-format | ||
| .gitignore | ||
| .mailmap | ||
| configure | ||
| COPYING | ||
| Makefile | ||
| README | ||
| README.devel | ||
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