X-Git-Url: https://git.proxmox.com/?p=pve-common.git;a=blobdiff_plain;f=data%2FPVE%2FNetwork.pm;h=458a2daa8015c08d584e3044b083c6f9d4698953;hp=ae0ebdb42222cc45fd5ec87823f2b128bbfd5695;hb=0758d0928c035e4447e657f8dab499f1a09e2c65;hpb=ca402c95210c2bdac2dcd317a93c62f3424b17b9 diff --git a/data/PVE/Network.pm b/data/PVE/Network.pm index ae0ebdb..458a2da 100644 --- a/data/PVE/Network.pm +++ b/data/PVE/Network.pm @@ -1,6 +1,7 @@ package PVE::Network; use strict; +use warnings; use PVE::Tools qw(run_command); use PVE::ProcFSTools; use PVE::INotify; @@ -11,17 +12,21 @@ 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; + run_command("/sbin/tc qdisc add dev $iface handle ffff: ingress"); - # virtio uses large packets 64K, so we need to set mtu to that - # value - else filter drops those packets and rate limit does not work. + # this does not work wit virtio - don't know why (setting "mtu 64kb" does not help) + #run_command("/sbin/tc filter add dev $iface parent ffff: protocol ip prio 50 u32 match ip src 0.0.0.0/0 police rate ${rate}bps burst ${burst}b drop flowid :1"); + # so we use avrate instead run_command("/sbin/tc filter add dev $iface parent ffff: " . - "protocol ip prio 50 u32 match ip src 0.0.0.0/0 " . - "police rate ${rate}bps burst ${burst}b " . - "mtu 64kb drop flowid :1"); + "protocol ip prio 50 estimator 1sec 8sec " . + "u32 match ip src 0.0.0.0/0 police avrate ${rate}bps drop flowid :1"); # tbf does not work for unknown reason #$TC qdisc add dev $DEV root tbf rate $RATE latency 100ms burst $BURST @@ -38,6 +43,63 @@ sub setup_tc_rate_limit { } } +sub tap_rate_limit { + my ($iface, $rate) = @_; + + my $debug = 0; + $rate = int($rate*1024*1024); + my $burst = 1024*1024; + + setup_tc_rate_limit($iface, $rate, $burst, $debug); +} + +sub tap_create { + my ($iface, $bridge) = @_; + + die "unable to get bridge setting\n" if !$bridge; + + my $bridgemtu = PVE::Tools::file_read_firstline("/sys/class/net/$bridge/mtu"); + die "bridge '$bridge' does not exist\n" if !$bridgemtu; + + eval { + PVE::Tools::run_command("/sbin/ifconfig $iface 0.0.0.0 promisc up mtu $bridgemtu"); + }; + die "interface activation failed\n" if $@; +} + +sub tap_plug { + my ($iface, $bridge, $tag) = @_; + + #cleanup old port config from any openvswitch bridge + eval {run_command("/usr/bin/ovs-vsctl del-port $iface", outfunc => sub {}, errfunc => sub {}) }; + + if (-d "/sys/class/net/$bridge/bridge") { + my $newbridge = activate_bridge_vlan($bridge, $tag); + copy_bridge_config($bridge, $newbridge) if $bridge ne $newbridge; + + system("/sbin/brctl addif $newbridge $iface") == 0 || + die "can't add interface to bridge\n"; + } else { + my $cmd = "/usr/bin/ovs-vsctl add-port $bridge $iface"; + $cmd .= " tag=$tag" if $tag; + system($cmd) == 0 || + die "can't add interface to bridge\n"; + } +} + +sub tap_unplug { + my ($iface, $bridge, $tag) = @_; + + if (-d "/sys/class/net/$bridge/bridge") { + $bridge .= "v$tag" if $tag; + + system("/sbin/brctl delif $bridge $iface") == 0 || + die "can't del interface from bridge\n"; + } else { + system ("/usr/bin/ovs-vsctl del-port $iface") == 0 || + die "can't del interface from bridge\n"; + } +} sub copy_bridge_config { my ($br0, $br1) = @_; @@ -45,15 +107,14 @@ sub copy_bridge_config { return if $br0 eq $br1; my $br_configs = [ 'ageing_time', 'stp_state', 'priority', 'forward_delay', - 'hello_time', 'max_age']; + 'hello_time', 'max_age', 'multicast_snooping', 'multicast_querier']; foreach my $sysname (@$br_configs) { eval { my $v0 = PVE::Tools::file_read_firstline("/sys/class/net/$br0/bridge/$sysname"); my $v1 = PVE::Tools::file_read_firstline("/sys/class/net/$br1/bridge/$sysname"); if ($v0 ne $v1) { - system("echo \"$v0\" > /sys/class/net/$br1/bridge/$sysname") == 0 || - warn "unable to set bridge config '$sysname'\n"; + write_proc_entry("/sys/class/net/$br1/bridge/$sysname", $v0); } }; warn $@ if $@; @@ -114,7 +175,7 @@ sub activate_bridge_vlan { # add bridgevlan if it doesn't already exist if (! -d "/sys/class/net/$bridgevlan") { - system("/usr/sbin/brctl addbr $bridgevlan") == 0 || + system("/sbin/brctl addbr $bridgevlan") == 0 || die "can't add bridge $bridgevlan\n"; } @@ -125,7 +186,7 @@ sub activate_bridge_vlan { die "can't up bridge $bridgevlan\n"; # add $ifacevlan to the bridge - system("/usr/sbin/brctl addif $bridgevlan $ifacevlan") == 0 || + system("/sbin/brctl addif $bridgevlan $ifacevlan") == 0 || die "can't add interface $ifacevlan to bridge $bridgevlan\n"; return $bridgevlan;