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Hangbin Liu 86bf43c7c2 lib/libnetlink: update rtnl_talk to support malloc buff at run time
This is an update for 460c03f3f3 ("iplink: double the buffer size also in
iplink_get()"). After update, we will not need to double the buffer size
every time when VFs number increased.

With call like rtnl_talk(&rth, &req.n, NULL, 0), we can simply remove the
length parameter.

With call like rtnl_talk(&rth, nlh, nlh, sizeof(req), I add a new variable
answer to avoid overwrite data in nlh, because it may has more info after
nlh. also this will avoid nlh buffer not enough issue.

We need to free answer after using.

Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Phil Sutter <phil@nwl.cc>
2017-10-26 12:29:29 +02:00
bash-completion tc: bash-completion: Add support for matchall 2017-02-07 11:44:53 -08:00
bridge lib/libnetlink: update rtnl_talk to support malloc buff at run time 2017-10-26 12:29:29 +02:00
devlink devlink: Add support for protocol IPv4/IPv6/Ethernet special formats 2017-09-07 15:10:25 -07:00
doc/actions doc: drop old ip command documentation 2017-09-29 10:51:02 -07:00
etc/iproute2 whitespace cleanup 2017-01-12 17:31:20 -08:00
examples examples: Some shell fixes to cbq.init 2017-08-18 09:11:00 -07:00
genl lib/libnetlink: update rtnl_talk to support malloc buff at run time 2017-10-26 12:29:29 +02:00
include lib/libnetlink: update rtnl_talk to support malloc buff at run time 2017-10-26 12:29:29 +02:00
ip lib/libnetlink: update rtnl_talk to support malloc buff at run time 2017-10-26 12:29:29 +02:00
lib lib/libnetlink: update rtnl_talk to support malloc buff at run time 2017-10-26 12:29:29 +02:00
man ip: bridge_slave: add neigh_suppress to the type help and 2017-10-23 14:46:24 +02:00
misc lib/libnetlink: update rtnl_talk to support malloc buff at run time 2017-10-26 12:29:29 +02:00
netem Merge branch 'master' into net-next 2017-08-24 15:30:32 -07:00
rdma Merge branch 'master' into net-next 2017-08-24 15:30:32 -07:00
schema bridge: add json schema for bridge fdb show 2016-07-20 12:02:02 -07:00
tc lib/libnetlink: update rtnl_talk to support malloc buff at run time 2017-10-26 12:29:29 +02:00
testsuite tests: Revert back /bin/sh in shebang 2017-10-16 09:22:01 -07:00
tipc tipc: don't need custom CFLAGS 2017-10-11 10:35:38 -07:00
.gitignore ignore generated Config file 2017-09-29 10:02:45 -07:00
configure lib: fix multiple strlcpy definition 2017-10-11 11:02:13 -07:00
COPYING Update address of FSF in license 2008-03-08 13:31:03 -08:00
Makefile iproute: build more easily on Android 2017-10-11 10:35:45 -07:00
README config: put CFLAGS/LDLIBS in config.mk 2017-08-23 10:03:09 -07:00
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

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.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