PVE/Network/SDN/Zones/QinQPlugin.pm

   1 package PVE::Network::SDN::Zones::QinQPlugin;
   2
   3 use strict;
   4 use warnings;
   5 use PVE::Network::SDN::Zones::Plugin;
   6 use PVE::Exception qw(raise raise_param_exc);
   7
   8 use base('PVE::Network::SDN::Zones::Plugin');
   9
  10 sub type {
  11     return 'qinq';
  12 }
  13
  14 sub properties {
  15     return {
  16         tag => {
  17             type => 'integer',
  18             minimum => 0,
  19             description => "Service-VLAN Tag",
  20         },
  21         mtu => {
  22             type => 'integer',
  23             description => "MTU",
  24             optional => 1,
  25         },
  26        'vlan-protocol' => {
  27             type => 'string',
  28             enum => ['802.1q', '802.1ad'],
  29             default => '802.1q',
  30             optional => 1,
  31         }
  32     };
  33 }
  34
  35 sub options {
  36
  37     return {
  38         nodes => { optional => 1},
  39         'tag' => { optional => 0 },
  40         'bridge' => { optional => 0 },
  41         'mtu' => { optional => 1 },
  42         'vlan-protocol' => { optional => 1 },
  43         dns => { optional => 1 },
  44         reversedns => { optional => 1 },
  45         dnszone => { optional => 1 },
  46     };
  47 }
  48
  49 # Plugin implementation
  50 sub generate_sdn_config {
  51     my ($class, $plugin_config, $zoneid, $vnetid, $vnet, $controller, $subnet_cfg, $interfaces_config, $config) = @_;
  52
  53     my $stag = $plugin_config->{tag};
  54     my $mtu = $plugin_config->{mtu};
  55     my $bridge = $plugin_config->{'bridge'};
  56     my $vlanprotocol = $plugin_config->{'vlan-protocol'};
  57     my $ctag = $vnet->{tag};
  58     my $alias = $vnet->{alias};
  59     die "can't find bridge $bridge" if !-d "/sys/class/net/$bridge";
  60
  61     my $vlan_aware = PVE::Tools::file_read_firstline("/sys/class/net/$bridge/bridge/vlan_filtering");
  62     my $is_ovs = !-d "/sys/class/net/$bridge/brif";
  63
  64     my @iface_config = ();
  65     my $vnet_bridge_ports = "";
  66
  67     if($is_ovs) {
  68
  69         #ovs--->ovsintport(dot1q-tunnel tag)------->vlanawarebrige-----(tag)--->vnet
  70
  71         $vlanprotocol = "802.1q" if !$vlanprotocol;
  72         my $svlan_iface = "sv_".$zoneid;
  73         my $zone = "z_$zoneid";
  74
  75         #ovs dot1q-tunnel port
  76         @iface_config = ();
  77         push @iface_config, "ovs_type OVSIntPort";
  78         push @iface_config, "ovs_bridge $bridge";
  79         push @iface_config, "ovs_mtu $mtu" if $mtu;
  80         push @iface_config, "ovs_options vlan_mode=dot1q-tunnel tag=$stag other_config:qinq-ethtype=$vlanprotocol";
  81         push(@{$config->{$svlan_iface}}, @iface_config) if !$config->{$svlan_iface};
  82
  83         #redefine main ovs bridge, ifupdown2 will merge ovs_ports
  84         @iface_config = ();
  85         push @iface_config, "ovs_ports $svlan_iface";
  86         push(@{$config->{$bridge}}, @iface_config);
  87
  88         #zone vlan aware bridge
  89         @iface_config = ();
  90         push @iface_config, "mtu $mtu" if $mtu;
  91         push @iface_config, "bridge-stp off";
  92         push @iface_config, "bridge-ports $svlan_iface";
  93         push @iface_config, "bridge-fd 0";
  94         push @iface_config, "bridge-vlan-aware yes";
  95         push @iface_config, "bridge-vids 2-4094";
  96         push(@{$config->{$zone}}, @iface_config) if !$config->{$zone};
  97
  98         $vnet_bridge_ports = "$zone.$ctag";
  99
 100     } elsif ($vlan_aware) {
 101
 102         #vlanawarebrige-(tag)----->vlanwarebridge-(tag)----->vnet
 103
 104         my $zone = "z_$zoneid";
 105
 106         if($vlanprotocol) {
 107             @iface_config = ();
 108             push @iface_config, "bridge-vlan-protocol $vlanprotocol";
 109             push(@{$config->{$bridge}}, @iface_config) if !$config->{$bridge};
 110         }
 111
 112         #zone vlan bridge
 113         @iface_config = ();
 114         push @iface_config, "mtu $mtu" if $mtu;
 115         push @iface_config, "bridge-stp off";
 116         push @iface_config, "bridge-ports $bridge.$stag";
 117         push @iface_config, "bridge-fd 0";
 118         push @iface_config, "bridge-vlan-aware yes";
 119         push @iface_config, "bridge-vids 2-4094";
 120         push(@{$config->{$zone}}, @iface_config) if !$config->{$zone};
 121
 122         $vnet_bridge_ports = "$zone.$ctag";
 123
 124     } else {
 125
 126         #eth--->eth.x(svlan)--->eth.x.y(cvlan)---->vnet
 127
 128         my @bridge_ifaces = ();
 129         my $dir = "/sys/class/net/$bridge/brif";
 130         PVE::Tools::dir_glob_foreach($dir, '(((eth|bond)\d+|en[^.]+)(\.\d+)?)', sub {
 131             push @bridge_ifaces, $_[0];
 132         });
 133
 134         foreach my $bridge_iface (@bridge_ifaces) {
 135
 136             # use named vlan interface to avoid too long names
 137             my $svlan_iface = "sv_$vnetid";
 138             my $cvlan_iface = "cv_$vnetid";
 139
 140             #svlan
 141             @iface_config = ();
 142             push @iface_config, "vlan-raw-device $bridge_iface";
 143             push @iface_config, "vlan-id $stag";
 144             push @iface_config, "vlan-protocol $vlanprotocol" if $vlanprotocol;
 145             push(@{$config->{$svlan_iface}}, @iface_config) if !$config->{$svlan_iface};
 146
 147             #cvlan
 148             @iface_config = ();
 149             push @iface_config, "vlan-raw-device $svlan_iface";
 150             push @iface_config, "vlan-id $ctag";
 151             push(@{$config->{$cvlan_iface}}, @iface_config) if !$config->{$cvlan_iface};
 152
 153             $vnet_bridge_ports .= " $cvlan_iface";
 154         }
 155    }
 156
 157     #vnet bridge
 158     @iface_config = ();
 159     push @iface_config, "bridge_ports $vnet_bridge_ports";
 160     push @iface_config, "bridge_stp off";
 161     push @iface_config, "bridge_fd 0";
 162     if($vnet->{vlanaware}) {
 163         push @iface_config, "bridge-vlan-aware yes";
 164         push @iface_config, "bridge-vids 2-4094";
 165     }
 166     push @iface_config, "mtu $mtu" if $mtu;
 167     push @iface_config, "alias $alias" if $alias;
 168     push(@{$config->{$vnetid}}, @iface_config) if !$config->{$vnetid};
 169
 170 }
 171
 172 sub status {
 173     my ($class, $plugin_config, $zone, $vnetid, $vnet, $status) = @_;
 174
 175     my $bridge = $plugin_config->{bridge};
 176     my $err_msg = [];
 177
 178     if (!-d "/sys/class/net/$bridge") {
 179         push @$err_msg, "missing $bridge";
 180         return $err_msg;
 181     }
 182
 183     my $vlan_aware = PVE::Tools::file_read_firstline("/sys/class/net/$bridge/bridge/vlan_filtering");
 184     my $is_ovs = !-d "/sys/class/net/$bridge/brif";
 185
 186     my $tag = $vnet->{tag};
 187     my $vnet_uplink = "ln_".$vnetid;
 188     my $vnet_uplinkpeer = "pr_".$vnetid;
 189
 190     # ifaces to check
 191     my $ifaces = [ $vnetid, $bridge ];
 192     if($is_ovs) {
 193         my $svlan_iface = "sv_".$zone;
 194         my $zonebridge = "z_$zone";
 195         push @$ifaces, $svlan_iface;
 196         push @$ifaces, $zonebridge;
 197     } elsif ($vlan_aware) {
 198         my $zonebridge = "z_$zone";
 199         push @$ifaces, $zonebridge;
 200     } else {
 201         my $svlan_iface = "sv_$vnetid";
 202         my $cvlan_iface = "cv_$vnetid";
 203         push @$ifaces, $svlan_iface;
 204         push @$ifaces, $cvlan_iface;
 205     }
 206
 207     foreach my $iface (@{$ifaces}) {
 208         if (!$status->{$iface}->{status}) {
 209             push @$err_msg, "missing $iface";
 210         } elsif ($status->{$iface}->{status} ne 'pass') {
 211             push @$err_msg, "error $iface";
 212         }
 213     }
 214     return $err_msg;
 215 }
 216
 217 sub vnet_update_hook {
 218     my ($class, $vnet) = @_;
 219
 220     raise_param_exc({ tag => "missing vlan tag"}) if !defined($vnet->{tag});
 221     raise_param_exc({ tag => "vlan tag max value is 4096"}) if $vnet->{tag} > 4096;
 222 }
 223
 224 1;
 225
 226