1 files changed, 28 insertions, 11 deletions
diff --git a/scripts/vyatta_net_name b/scripts/vyatta_net_name
index 53ae9fba..825bf86f 100755
--- a/scripts/vyatta_net_name
+++ b/scripts/vyatta_net_name
@@ -21,7 +21,7 @@ use Sys::Syslog qw(:standard :macros);
 use Fcntl qw(:flock);
 
 my $BOOTFILE    = "/opt/vyatta/etc/config/config.boot";
-my $VYATTACFG   = "/opt/vyatta/config/active";
+my $VYATTACFG   = "/opt/vyatta/config/active/interfaces";
 
 my $UDEVDIR     = "/run/udev/";
 my $VYATTAUDEV	= $UDEVDIR . "vyatta";
@@ -137,7 +137,7 @@ sub logit {
 
 # Determine network name to use based on Vyatta config during boot
 sub coldplug {
-    my ($ifname, $hwaddr) = @_;
+    my ($ifname, $hwaddr, $predef_ifname) = @_;
 
     # at this time root directory is read-only so use log file instead
     mkdir ($UDEVLOG);
@@ -168,8 +168,14 @@ sub coldplug {
 	}
     }
 
-    $newname = biosdevname($ifname);
-    logit($log, "biosdevname for $ifname returned '$newname'\n");
+    if ($predef_ifname) {
+        $newname = $predef_ifname;
+        logit($log, "predefined interface name for $ifname returned '$newname'\n");
+    }
+    else {
+        $newname = biosdevname($ifname);
+        logit($log, "biosdevname for $ifname returned '$newname'\n");
+    }
 
     unless (is_available($interfaces, $newname)) {
 	$newname = find_available($interfaces, $newname);
@@ -185,7 +191,7 @@ sub coldplug {
 
 # Determine name from active config
 sub hotplug {
-    my ($ifname, $hwaddr) = @_;
+    my ($ifname, $hwaddr, $predef_ifname) = @_;
 
     # real filesystem available use real logging
     openlog("vyatta-net-name", "", LOG_DAEMON);
@@ -211,8 +217,14 @@ sub hotplug {
 	return $newname;
     }
 
-    $newname = biosdevname($ifname);
-    syslog(LOG_DEBUG, "biosdevname for %s returned '%s'", $ifname, $newname);
+    if ($predef_ifname) {
+        $newname = $predef_ifname;
+        syslog(LOG_DEBUG, "predefined interface name for %s returned '%s'", $ifname, $newname);
+    }
+    else{
+        $newname = biosdevname($ifname);
+        syslog(LOG_DEBUG, "biosdevname for %s returned '%s'", $ifname, $newname);
+    }
 
     unless (is_available($interfaces, $newname)) {
 	$newname = find_available($interfaces, $newname);
@@ -238,21 +250,26 @@ sub unlock_file {
     $LOCKF = undef;
 }
 
-# This script is called from udev with two arguments
+# This script is called from udev with two or three arguments
 # it outputs the new name (if any) to stdout
-if ($#ARGV != 1) {
+if ($#ARGV > 2 or $#ARGV < 1) {
     die "vyatta_net_name called with wrong args:" . join(' ', @ARGV) . "\n";
 }
 
 my $ifname = $ARGV[0];
 my $hwaddr = $ARGV[1];
 
+my $predef_ifname = "";
+if ($ARGV[2]){
+    $predef_ifname = $ARGV[2];
+}
+
 lock_file;
 my $newname;
 if ( -d $VYATTACFG ) {
-    $newname = hotplug($ifname, $hwaddr);
+    $newname = hotplug($ifname, $hwaddr, $predef_ifname);
 } else {
-    $newname = coldplug($ifname, $hwaddr);
+    $newname = coldplug($ifname, $hwaddr, $predef_ifname);
 }
 unlock_file;