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#!/usr/bin/perl
#
# **** License ****
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# A copy of the GNU General Public License is available as
# `/usr/share/common-licenses/GPL' in the Debian GNU/Linux distribution
# or on the World Wide Web at `http://www.gnu.org/copyleft/gpl.html'.
# You can also obtain it by writing to the Free Software Foundation,
# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301, USA.
#
# This code was originally developed by Vyatta, Inc.
# Portions created by Vyatta are Copyright (C) 2007 Vyatta, Inc.
# All Rights Reserved.
#
# Author: Stephen Hemminger
# Date: September 2008
# Description: Script to setup bonding interfaces
#
# **** End License ****
#
use lib "/opt/vyatta/share/perl5/";
use Vyatta::Interface;
use Getopt::Long;
use strict;
use warnings;
my %modes = (
"round-robin" => 0,
"active-backup" => 1,
"xor-hash" => 2,
"broadcast" => 3,
"802.3ad" => 4,
"transmit-load-balance" => 5,
"adaptive-load-balance" => 6,
);
sub set_mode {
my ($intf, $mode) = @_;
my $val = $modes{$mode};
die "Unknown bonding mode $mode\n" unless defined($val);
open my $fm, '>', "/sys/class/net/$intf/bonding/mode"
or die "Error: $intf is not a bonding device:$!\n";
print {$fm} $val, "\n";
close $fm
or die "Error: $intf can not set mode $val:$!\n";
}
sub change_mode {
my ($intf, $mode) = @_;
my $interface = new Vyatta::Interface($intf);
die "$intf is not a valid interface" unless $interface;
if ($interface->up()) {
system "sudo ip link set $intf down"
and die "Could not set $intf down ($!)\n";
set_mode($intf, $mode);
system "sudo ip link set $intf up"
and die "Could not set $intf up ($!)\n";
} else {
set_mode($intf, $mode);
}
}
sub usage {
print "Usage: $0 --set-mode=s{2}\n";
exit 1;
}
my @mode_change;
GetOptions(
'set-mode=s{2}' => \@mode_change,
) or usage();
change_mode( @mode_change ) if @mode_change;
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