4 use PVE
::Tools
qw(run_command);
9 # host network related utility functions
11 sub setup_tc_rate_limit
{
12 my ($iface, $rate, $burst, $debug) = @_;
14 system("/sbin/tc class del dev $iface parent 1: classid 1:1 >/dev/null 2>&1");
15 system("/sbin/tc filter del dev $iface parent ffff: protocol ip prio 50 estimator 1sec 8sec >/dev/null 2>&1");
16 system("/sbin/tc qdisc del dev $iface ingress >/dev/null 2>&1");
17 system("/sbin/tc qdisc del dev $iface root >/dev/null 2>&1");
21 run_command
("/sbin/tc qdisc add dev $iface handle ffff: ingress");
23 # this does not work wit virtio - don't know why (setting "mtu 64kb" does not help)
24 #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");
25 # so we use avrate instead
26 run_command
("/sbin/tc filter add dev $iface parent ffff: " .
27 "protocol ip prio 50 estimator 1sec 8sec " .
28 "u32 match ip src 0.0.0.0/0 police avrate ${rate}bps drop flowid :1");
30 # tbf does not work for unknown reason
31 #$TC qdisc add dev $DEV root tbf rate $RATE latency 100ms burst $BURST
32 # so we use htb instead
33 run_command
("/sbin/tc qdisc add dev $iface root handle 1: htb default 1");
34 run_command
("/sbin/tc class add dev $iface parent 1: classid 1:1 " .
35 "htb rate ${rate}bps burst ${burst}b");
38 print "DEBUG tc settings\n";
39 system("/sbin/tc qdisc ls dev $iface");
40 system("/sbin/tc class ls dev $iface");
41 system("/sbin/tc filter ls dev $iface parent ffff:");
46 my ($iface, $rate) = @_;
49 $rate = int($rate*1024*1024);
50 my $burst = 1024*1024;
52 setup_tc_rate_limit
($iface, $rate, $burst, $debug);
56 my ($iface, $bridge) = @_;
58 die "unable to get bridge setting\n" if !$bridge;
60 my $bridgemtu = PVE
::Tools
::file_read_firstline
("/sys/class/net/$bridge/mtu");
61 die "bridge '$bridge' does not exist\n" if !$bridgemtu;
63 eval{ PVE
::Tools
::run_command
("/sbin/ifconfig $iface 0.0.0.0 promisc up mtu $bridgemtu");};
64 die "interface activation failed\n" if $@;
68 my ($iface, $bridge, $tag) = @_;
70 my $newbridge = activate_bridge_vlan
($bridge, $tag);
71 copy_bridge_config
($bridge, $newbridge) if $bridge ne $newbridge;
73 system ("/sbin/brctl addif $newbridge $iface") == 0 ||
74 die "can't add interface to bridge\n";
78 my ($iface, $bridge, $tag) = @_;
80 $bridge .= "v$tag" if $tag;
82 system ("/sbin/brctl delif $bridge $iface") == 0 ||
83 die "can't del interface from bridge\n";
86 sub copy_bridge_config
{
89 return if $br0 eq $br1;
91 my $br_configs = [ 'ageing_time', 'stp_state', 'priority', 'forward_delay',
92 'hello_time', 'max_age', 'multicast_snooping', 'multicast_querier'];
94 foreach my $sysname (@$br_configs) {
96 my $v0 = PVE
::Tools
::file_read_firstline
("/sys/class/net/$br0/bridge/$sysname");
97 my $v1 = PVE
::Tools
::file_read_firstline
("/sys/class/net/$br1/bridge/$sysname");
99 system("echo \"$v0\" > /sys/class/net/$br1/bridge/$sysname") == 0 ||
100 warn "unable to set bridge config
'$sysname'\n";
107 sub activate_bridge_vlan {
108 my ($bridge, $tag_param) = @_;
110 die "bridge
'$bridge' is not active
\n" if ! -d "/sys/class/net/$bridge";
112 return $bridge if !defined($tag_param); # no vlan, simply return
114 my $tag = int($tag_param);
116 die "got strange vlan tag
'$tag_param'\n" if $tag < 1 || $tag > 4094;
118 my $bridgevlan = "${bridge
}v
$tag";
120 my $dir = "/sys/class/net/$bridge/brif";
122 #check if we have an only one ethX or bondX interface in the bridge
125 PVE::Tools::dir_glob_foreach($dir, '((eth|bond)\d+)', sub {
128 die "more then one physical interfaces on bridge
'$bridge'\n" if $iface;
133 die "no physical interface on bridge
'$bridge'\n" if !$iface;
135 my $ifacevlan = "${iface
}.$tag";
137 # create vlan on $iface is not already exist
138 if (! -d "/sys/class/net/$ifacevlan") {
139 system("/sbin/vconfig add
$iface $tag") == 0 ||
140 die "can
't add vlan tag $tag to interface $iface\n";
143 # be sure to have the $ifacevlan up
144 system("/sbin/ip link set $ifacevlan up") == 0 ||
145 die "can't up interface
$ifacevlan\n";
147 # test if $vlaniface is already enslaved in another bridge
148 my $path= "/sys/class/net/$ifacevlan/brport/bridge";
150 my $tbridge = basename(readlink($path));
151 if ($tbridge eq $bridgevlan) {
152 # already member of bridge - assume setup is already done
155 die "interface
$ifacevlan already exist
in bridge
$tbridge\n";
159 # add bridgevlan if it doesn't already exist
160 if (! -d "/sys/class/net/$bridgevlan") {
161 system("/sbin/brctl addbr
$bridgevlan") == 0 ||
162 die "can
't add bridge $bridgevlan\n";
165 #fixme: set other bridge flags
167 # be sure to have the bridge up
168 system("/sbin/ip link set $bridgevlan up") == 0 ||
169 die "can't up bridge
$bridgevlan\n";
171 # add $ifacevlan to the bridge
172 system("/sbin/brctl addif
$bridgevlan $ifacevlan") == 0 ||
173 die "can
't add interface $ifacevlan to bridge $bridgevlan\n";