setup_tc_rate_limit : delete class and filter before update

[pve-common.git] / data / PVE / Network.pm

diff --git a/data/PVE/Network.pm b/data/PVE/Network.pm
index c20951eac65660c417ed73eb4fa227247474bcec..4cc5fb8c11beafad3fb40a00261ec222895441bd 100644 (file)
--- a/data/PVE/Network.pm
+++ b/data/PVE/Network.pm
@@ -11,9 +11,13 @@ use File::Basename;
 sub setup_tc_rate_limit {
     my ($iface, $rate, $burst, $debug) = @_;
 
-    system("/sbin/tc qdisc del dev $iface ingres >/dev/null 2>&1");
+    system("/sbin/tc class del dev $iface parent 1: classid 1:1 >/dev/null 2>&1");
+    system("/sbin/tc filter del dev $iface parent ffff: protocol ip prio 50 estimator 1sec 8sec >/dev/null 2>&1");
+    system("/sbin/tc qdisc del dev $iface ingress >/dev/null 2>&1");
     system("/sbin/tc qdisc del dev $iface root >/dev/null 2>&1");
 
+    return if (!$rate || ($rate && $rate == 0));
+
     run_command("/sbin/tc qdisc add dev $iface handle ffff: ingress");
 
     # this does not work wit virtio - don't know why (setting "mtu 64kb" does not help)
@@ -38,6 +42,15 @@ sub setup_tc_rate_limit {
     }
 }
 
+sub tap_rate_limit {
+    my ($iface, $rate) = @_;
+
+    my $debug = 0;
+    $rate = int($rate*1024*1024);
+    my $burst = 1024*1024;
+
+    setup_tc_rate_limit($iface, $rate, $burst, $debug);
+}
 
 sub copy_bridge_config {
     my ($br0, $br1) = @_;