From 103ef6e032324c4f6f5591e47bbd9380f7c7cee5 Mon Sep 17 00:00:00 2001
From: hadaq <hadaq@hades33.gsi.de>
Date: Tue, 5 Jan 2021 14:22:18 +0100
Subject: [PATCH] add check for active ports

---
 web/htdocs/network/map.pl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/web/htdocs/network/map.pl b/web/htdocs/network/map.pl
index 73c6f83..736a773 100755
--- a/web/htdocs/network/map.pl
+++ b/web/htdocs/network/map.pl
@@ -41,6 +41,7 @@ if($ENV{'QUERY_STRING'} =~ /getmap/) {
   my $hardware = trb_register_read(0xffff,0x42);
   my $inclHigh = trb_register_read(0xffff,0x43);
   my $hubbusy  = trb_register_read(0xfffe,0x81);
+  my $portactive = trb_register_read(0xfffe,0x84);
 
   my $hubbusy1  = trb_register_read_mem(0xfffe,0x4030,0,16);
   my $gbebusy1  = trb_register_read(0xff7f,0x83e2); 
@@ -69,6 +70,11 @@ if($ENV{'QUERY_STRING'} =~ /getmap/) {
       else {
         $parent = $path[-1][-1]->{address};
         $port   = $path[-1][-1]->{port};
+        while ($activeports->{$parent} & (1<<$port) == 0 && scalar @path > 1) {
+          pop(@path);
+          $parent = $path[-1][-1]->{address};
+          $port   = $path[-1][-1]->{port};
+        }
       }
       $tree->{$parent}->[$port]->{addr}   = $addr;
     }
-- 
2.43.0