[pve-devel] [PATCH 3/6] setup_tc_rate_limit : delete class and filter before update

[Alexandre Derumier]

also return after remove if rate is not defined

Signed-off-by: Alexandre Derumier <aderumier at odiso.com>
---
 data/PVE/Network.pm |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/data/PVE/Network.pm b/data/PVE/Network.pm
index 4efd30b..4cc5fb8 100644
--- 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 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)
-- 
1.7.10.4