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iplink: implement support for selecting a master interface

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Attaching an interface to a VRF is done by setting the interface's
master. Besides VRF, this can also be used for bridges.

function                                             old     new   delta
set_master                                             -     142    +142
do_iplink                                           1262    1357     +95
packed_usage                                       32546   32539      -7
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/1 up/down: 237/-7)            Total: 230 bytes

Signed-off-by: Jan Luebbe <jluebbe@debian.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Jan Luebbe
2018-02-14 14:05:27 +01:00
committed by Denys Vlasenko
parent 79cda9522a
commit e789c3bea1
3 changed files with 41 additions and 2 deletions
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3
networking/ip.c
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@@ -156,7 +156,8 @@
//--------------123456789.123456789.123456789.123456789.123456789.123456789.123456789.123....79
//usage:#define iplink_trivial_usage
//usage: /*Usage:iplink*/"set IFACE [up|down] [arp on|off] [multicast on|off]\n"
//usage: " [promisc on|off] [mtu NUM] [name NAME] [qlen NUM] [address MAC]"
//usage: " [promisc on|off] [mtu NUM] [name NAME] [qlen NUM] [address MAC]\n"
//usage: " [master IFACE | nomaster]\n"
// * short help shows only "set" command, long help continues (with just one "\n")
// * and shows all other commands:
//usage:#define iplink_full_usage "\n"