Beyond Linux® From Scratch - Version 7.9

Chapter 17. Networking Libraries

libnl-3.2.27

Introduction to libnl

The libnl suite is a collection of libraries providing APIs to netlink protocol based Linux kernel interfaces.

This package is known to build and work properly using an LFS-7.9 platform.

Package Information

Optional Download

libnl Dependencies

Optional

Check-0.10.0 (for tests)

User Notes: http://wiki.linuxfromscratch.org/blfs/wiki/libnl

Installation of libnl

Install libnl by running the following commands: 

./configure --prefix=/usr     \
            --sysconfdir=/etc \
            --disable-static  &&
make

To test the results, issue: make check.

Now, as the root user: 

make install

If you wish to install the API documentation, as the root user: 

mkdir -vp /usr/share/doc/libnl-3.2.27 &&
tar -xf ../libnl-doc-3.2.27.tar.gz --strip-components=1 --no-same-owner \
    -C  /usr/share/doc/libnl-3.2.27

Command Explanations

--disable-static: This switch prevents installation of static versions of the libraries.

--disable-cli: Use this parameter if you don't want to install cli tools provided by the package.

Contents

Installed Programs: genl-ctrl-list, idiag-socket-details, nl-class-add, nl-class-delete, nl-classid-lookup, nl-class-list, nl-cls-add, nl-cls-delete, nl-cls-list, nl-link-list, nl-pktloc-lookup, nl-qdisc-add, nl-qdisc-delete, nl-qdisc-list, and 32 other helper programs with nl- and nf- prefixes
Installed Libraries: libnl-3.so, libnl-cli-3.so, libnl-genl-3.so, libnl-idiag-3.so, libnl-nf-3.so, libnl-route-3.so, libnl-xfrm-3.so, and cli modules under /usr/lib/libnl/cli tree
Installed Directories: /etc/libnl, /usr/include/libnl3, /usr/lib/libnl, and /usr/share/doc/libnl-3.2.27

Short Descriptions

genl-ctrl-list

queries the Generic Netlink controller in kernel and prints a list of all registered Generic Netlink families including the version of the interface that has been registered.

nl-class-add

add or update or replace Traffic Classes

nl-class-delete

delete Traffic Classes

nl-classid-lookup

is used to resolve qdisc/class names to classid values and vice versa.

nl-class-list

list Traffic Classes.

nl-cls-add

add a classifier.

nl-cls-delete

delete a classifier.

nl-cls-list

list classifiers.

nl-link-list

dump link attributes.

nl-pktloc-lookup

lookup packet location definitions.

nl-qdisc-add

add queueing disciplines (qdiscs) in the kernel.

nl-qdisc-delete

delete queueing disciplines (qdiscs) in the kernel.

nl-qdisc-list

list queueing disciplines (qdiscs) in the kernel.

libnl*-3.so

These libraries contain API functions used to access Netlink interfaces in Linux kernel.

Last updated on 2016-02-26 19:14:42 -0800