From 67ffa12de0848703b3b86d9c3b578a2edc79bc3b Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <stephen.hemminger@vyatta.com>
Date: Fri, 31 Jul 2009 21:59:46 -0700
Subject: BONDING: handle change of bond-group

Use similar action to new bridge-group
Bug 4768
---
 scripts/vyatta-bonding.pl | 26 ++++++++++++++++++++------
 1 file changed, 20 insertions(+), 6 deletions(-)

(limited to 'scripts')

diff --git a/scripts/vyatta-bonding.pl b/scripts/vyatta-bonding.pl
index 66417f9f..b9ea0bcf 100755
--- a/scripts/vyatta-bonding.pl
+++ b/scripts/vyatta-bonding.pl
@@ -30,6 +30,7 @@
 
 use lib "/opt/vyatta/share/perl5/";
 use Vyatta::Interface;
+use Vyatta::Config;
 use Getopt::Long;
 
 use strict;
@@ -136,13 +137,9 @@ sub change_mode {
 
     my @slaves = get_slaves($intf);
     foreach my $slave (@slaves) {
-        if_down($slave);
         remove_slave( $intf, $slave ) unless ( $primary && $slave eq $primary );
     }
-    if ($primary) {
-	if_down($primary);
-	remove_slave( $intf, $primary );
-    }
+    remove_slave( $intf, $primary ) if ($primary);
 
     my $bond_up = $interface->up();
     if_down($intf) if $bond_up;
@@ -154,6 +151,23 @@ sub change_mode {
     }
 }
 
+# bonding requires interface to be down before enslaving
+# but enslaving automatically brings interface up!
+sub add_port {
+    my ( $intf, $slave ) = @_;
+    my $slaveif = new Vyatta::Interface($slave);
+
+    if ($slaveif->up()) {
+	if_down($slave);
+    } else {
+	my $cfg = new Vyatta::Config;
+	$cfg->setLevel($slaveif->path());
+	die "Can not add disabled interface $slave to bond-group $intf\n"
+	    if $cfg->exists('disable');
+    }
+    add_slave ($intf, $slave);
+}
+
 sub usage {
     print "Usage: $0 --dev=bondX --mode={mode}\n";
     print "       $0 --dev=bondX --add-port=ethX\n";
@@ -175,5 +189,5 @@ GetOptions(
 die "$0: device not specified\n" unless $dev;
 
 change_mode( $dev, $mode )	if $mode;
-add_slave( $dev, $add_port )	if $add_port;
+add_port( $dev, $add_port )	if $add_port;
 remove_slave( $dev, $rem_port ) if $rem_port;
-- 
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