import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
+import java.util.HashMap;
import java.util.List;
+import java.util.Map;
import org.opendaylight.controller.protocol_plugin.openflow.vendorextension.v6extension.V6FlowMod;
import org.opendaylight.controller.protocol_plugin.openflow.vendorextension.v6extension.V6Match;
import org.opendaylight.controller.sal.action.ActionType;
import org.opendaylight.controller.sal.action.Controller;
import org.opendaylight.controller.sal.action.Drop;
+import org.opendaylight.controller.sal.action.Enqueue;
import org.opendaylight.controller.sal.action.Flood;
import org.opendaylight.controller.sal.action.FloodAll;
import org.opendaylight.controller.sal.action.HwPath;
import org.openflow.protocol.OFPort;
import org.openflow.protocol.OFVendor;
import org.openflow.protocol.action.OFAction;
+import org.openflow.protocol.action.OFActionDataLayer;
import org.openflow.protocol.action.OFActionDataLayerDestination;
import org.openflow.protocol.action.OFActionDataLayerSource;
+import org.openflow.protocol.action.OFActionEnqueue;
import org.openflow.protocol.action.OFActionNetworkLayerAddress;
import org.openflow.protocol.action.OFActionNetworkLayerDestination;
import org.openflow.protocol.action.OFActionNetworkLayerSource;
public class FlowConverter {
protected static final Logger logger = LoggerFactory
.getLogger(FlowConverter.class);
+
+ /*
+ * The value 0xffff (OFP_VLAN_NONE) is used to indicate
+ * that no VLAN ID is set for OF Flow.
+ */
+ private static final short OFP_VLAN_NONE = (short) 0xffff;
+
private Flow flow; // SAL Flow
private OFMatch ofMatch; // OF 1.0 match or OF 1.0 + IPv6 extension match
private List<OFAction> actionsList; // OF 1.0 actions
if (match.isPresent(MatchType.DL_VLAN)) {
short vlan = (Short) match.getField(MatchType.DL_VLAN)
.getValue();
+ if (vlan == MatchType.DL_VLAN_NONE) {
+ vlan = OFP_VLAN_NONE;
+ }
if (!isIPv6) {
ofMatch.setDataLayerVirtualLan(vlan);
wildcards &= ~OFMatch.OFPFW_DL_VLAN;
* actually the DSCP field followed by a zero ECN
*/
byte tos = (Byte) match.getField(MatchType.NW_TOS).getValue();
- byte dscp = (byte) ((int) tos << 2);
+ byte dscp = (byte) (tos << 2);
if (!isIPv6) {
ofMatch.setNetworkTypeOfService(dscp);
wildcards &= ~OFMatch.OFPFW_NW_TOS;
}
}
if (match.isPresent(MatchType.NW_SRC)) {
- InetAddress address = (InetAddress) match.getField(
- MatchType.NW_SRC).getValue();
- InetAddress mask = (InetAddress) match.getField(
- MatchType.NW_SRC).getMask();
+ InetAddress address = (InetAddress) match.getField(MatchType.NW_SRC).getValue();
+ InetAddress mask = (InetAddress) match.getField(MatchType.NW_SRC).getMask();
if (!isIPv6) {
- ofMatch.setNetworkSource(NetUtils.byteArray4ToInt(address
- .getAddress()));
- int maskLength = NetUtils
- .getSubnetMaskLength((mask == null) ? null : mask
- .getAddress());
- wildcards = (wildcards & ~OFMatch.OFPFW_NW_SRC_MASK)
- | (maskLength << OFMatch.OFPFW_NW_SRC_SHIFT);
+ ofMatch.setNetworkSource(NetUtils.byteArray4ToInt(address.getAddress()));
+ int maskLength = (mask == null) ? 32 : NetUtils.getSubnetMaskLength(mask);
+ wildcards = (wildcards & ~OFMatch.OFPFW_NW_SRC_MASK) | ((32 - maskLength) << OFMatch.OFPFW_NW_SRC_SHIFT);
} else {
((V6Match) ofMatch).setNetworkSource(address, mask);
}
}
if (match.isPresent(MatchType.NW_DST)) {
- InetAddress address = (InetAddress) match.getField(
- MatchType.NW_DST).getValue();
- InetAddress mask = (InetAddress) match.getField(
- MatchType.NW_DST).getMask();
+ InetAddress address = (InetAddress) match.getField(MatchType.NW_DST).getValue();
+ InetAddress mask = (InetAddress) match.getField(MatchType.NW_DST).getMask();
if (!isIPv6) {
- ofMatch.setNetworkDestination(NetUtils
- .byteArray4ToInt(address.getAddress()));
- int maskLength = NetUtils
- .getSubnetMaskLength((mask == null) ? null : mask
- .getAddress());
- wildcards = (wildcards & ~OFMatch.OFPFW_NW_DST_MASK)
- | (maskLength << OFMatch.OFPFW_NW_DST_SHIFT);
+ ofMatch.setNetworkDestination(NetUtils.byteArray4ToInt(address.getAddress()));
+ int maskLength = (mask == null) ? 32 : NetUtils.getSubnetMaskLength(mask);
+ wildcards = (wildcards & ~OFMatch.OFPFW_NW_DST_MASK) | ((32 - maskLength) << OFMatch.OFPFW_NW_DST_SHIFT);
} else {
((V6Match) ofMatch).setNetworkDestination(address, mask);
}
actionsLength += OFActionOutput.MINIMUM_LENGTH;
continue;
}
+ if (action.getType() == ActionType.ENQUEUE) {
+ Enqueue a = (Enqueue) action;
+ OFActionEnqueue ofAction = new OFActionEnqueue();
+ ofAction.setPort(PortConverter.toOFPort(a.getPort()));
+ ofAction.setQueueId(a.getQueue());
+ actionsList.add(ofAction);
+ actionsLength += OFActionEnqueue.MINIMUM_LENGTH;
+ continue;
+ }
if (action.getType() == ActionType.DROP) {
continue;
}
OFActionDataLayerSource ofAction = new OFActionDataLayerSource();
ofAction.setDataLayerAddress(a.getDlAddress());
actionsList.add(ofAction);
- actionsLength += OFActionDataLayerSource.MINIMUM_LENGTH;
+ actionsLength += OFActionDataLayer.MINIMUM_LENGTH;
continue;
}
if (action.getType() == ActionType.SET_DL_DST) {
OFActionDataLayerDestination ofAction = new OFActionDataLayerDestination();
ofAction.setDataLayerAddress(a.getDlAddress());
actionsList.add(ofAction);
- actionsLength += OFActionDataLayerDestination.MINIMUM_LENGTH;
+ actionsLength += OFActionDataLayer.MINIMUM_LENGTH;
continue;
}
if (action.getType() == ActionType.SET_NW_SRC) {
continue;
}
if (action.getType() == ActionType.SET_NEXT_HOP) {
- // TODO
+ logger.warn("Unsupported action: {}", action);
continue;
}
}
if (port != null) {
((OFFlowMod) fm).setOutPort(port);
}
- if (command == OFFlowMod.OFPFC_ADD
- || command == OFFlowMod.OFPFC_MODIFY
+ if (command == OFFlowMod.OFPFC_ADD || command == OFFlowMod.OFPFC_MODIFY
|| command == OFFlowMod.OFPFC_MODIFY_STRICT) {
- if (flow.getIdleTimeout() != 0 || flow.getHardTimeout() != 0) {
- // Instruct switch to let controller know when flow expires
- ((OFFlowMod) fm).setFlags((short) 1);
- }
+ // Instruct switch to let controller know when flow is removed
+ ((OFFlowMod) fm).setFlags((short) 1);
}
} else {
((V6FlowMod) fm).setVendor();
if (port != null) {
((V6FlowMod) fm).setOutPort(port);
}
- if (command == OFFlowMod.OFPFC_ADD
- || command == OFFlowMod.OFPFC_MODIFY
+ if (command == OFFlowMod.OFPFC_ADD || command == OFFlowMod.OFPFC_MODIFY
|| command == OFFlowMod.OFPFC_MODIFY_STRICT) {
- if (flow.getIdleTimeout() != 0 || flow.getHardTimeout() != 0) {
- // Instruct switch to let controller know when flow expires
- ((V6FlowMod) fm).setFlags((short) 1);
- }
+ // Instruct switch to let controller know when flow is removed
+ ((V6FlowMod) fm).setFlags((short) 1);
}
}
logger.trace("Openflow Match: {} Openflow Actions: {}", ofMatch,
if (ofMatch != null) {
if (!isIPv6) {
// Compute OF1.0 Match
- if (ofMatch.getInputPort() != 0) {
+ if (ofMatch.getInputPort() != 0 && ofMatch.getInputPort() != OFPort.OFPP_LOCAL.getValue()) {
salMatch.setField(new MatchField(MatchType.IN_PORT,
NodeConnectorCreator.createNodeConnector(
- (Short) ofMatch.getInputPort(), node)));
+ ofMatch.getInputPort(), node)));
}
if (ofMatch.getDataLayerSource() != null
&& !NetUtils
salMatch.setField(new MatchField(MatchType.DL_TYPE,
ofMatch.getDataLayerType()));
}
- if (ofMatch.getDataLayerVirtualLan() != 0) {
+ short vlan = ofMatch.getDataLayerVirtualLan();
+ if (vlan != 0) {
+ if (vlan == OFP_VLAN_NONE) {
+ vlan = MatchType.DL_VLAN_NONE;
+ }
salMatch.setField(new MatchField(MatchType.DL_VLAN,
- ofMatch.getDataLayerVirtualLan()));
+ vlan));
}
if (ofMatch.getDataLayerVirtualLanPriorityCodePoint() != 0) {
salMatch.setField(MatchType.DL_VLAN_PR, ofMatch
byte tos = (byte) (dscp >> 2);
salMatch.setField(MatchType.NW_TOS, tos);
}
+ //TODO: NW protocol 0 is a valid protocol
if (ofMatch.getNetworkProtocol() != 0) {
salMatch.setField(MatchType.NW_PROTO,
ofMatch.getNetworkProtocol());
}
if (ofMatch.getTransportSource() != 0) {
salMatch.setField(MatchType.TP_SRC,
- ((Short) ofMatch.getTransportSource()));
+ ofMatch.getTransportSource());
}
if (ofMatch.getTransportDestination() != 0) {
salMatch.setField(MatchType.TP_DST,
- ((Short) ofMatch.getTransportDestination()));
+ ofMatch.getTransportDestination());
}
} else {
// Compute OF1.0 + IPv6 extensions Match
V6Match v6Match = (V6Match) ofMatch;
- if (v6Match.getInputPort() != 0) {
+ if (v6Match.getInputPort() != 0 && v6Match.getInputPort() != OFPort.OFPP_LOCAL.getValue()) {
// Mask on input port is not defined
salMatch.setField(new MatchField(MatchType.IN_PORT,
NodeConnectorCreator.createOFNodeConnector(
- (Short) v6Match.getInputPort(), node)));
+ v6Match.getInputPort(), node)));
}
if (v6Match.getDataLayerSource() != null
&& !NetUtils
salMatch.setField(new MatchField(MatchType.DL_TYPE,
v6Match.getDataLayerType()));
}
- if (v6Match.getDataLayerVirtualLan() != 0) {
+ short vlan = v6Match.getDataLayerVirtualLan();
+ if (vlan != 0) {
+ if (vlan == OFP_VLAN_NONE) {
+ vlan = MatchType.DL_VLAN_NONE;
+ }
salMatch.setField(new MatchField(MatchType.DL_VLAN,
- v6Match.getDataLayerVirtualLan()));
+ vlan));
}
if (v6Match.getDataLayerVirtualLanPriorityCodePoint() != 0) {
salMatch.setField(MatchType.DL_VLAN_PR, v6Match
.getDataLayerVirtualLanPriorityCodePoint());
}
+ // V6Match may carry IPv4 address
if (v6Match.getNetworkSrc() != null) {
salMatch.setField(MatchType.NW_SRC,
v6Match.getNetworkSrc(),
v6Match.getNetworkSourceMask());
+ } else if (v6Match.getNetworkSource() != 0) {
+ salMatch.setField(MatchType.NW_SRC, NetUtils
+ .getInetAddress(v6Match.getNetworkSource()),
+ NetUtils.getInetNetworkMask(
+ v6Match.getNetworkSourceMaskLen(),
+ false));
}
+ // V6Match may carry IPv4 address
if (v6Match.getNetworkDest() != null) {
salMatch.setField(MatchType.NW_DST,
v6Match.getNetworkDest(),
v6Match.getNetworkDestinationMask());
+ } else if (v6Match.getNetworkDestination() != 0) {
+ salMatch.setField(MatchType.NW_DST,
+ NetUtils.getInetAddress(v6Match
+ .getNetworkDestination()),
+ NetUtils.getInetNetworkMask(
+ v6Match.getNetworkDestinationMaskLen(),
+ false));
}
if (v6Match.getNetworkTypeOfService() != 0) {
int dscp = NetUtils.getUnsignedByte(v6Match
}
if (v6Match.getTransportSource() != 0) {
salMatch.setField(MatchType.TP_SRC,
- ((Short) v6Match.getTransportSource()));
+ (v6Match.getTransportSource()));
}
if (v6Match.getTransportDestination() != 0) {
salMatch.setField(MatchType.TP_DST,
- ((Short) v6Match.getTransportDestination()));
+ (v6Match.getTransportDestination()));
}
}
}
NodeConnectorCreator.createOFNodeConnector(
ofPort, node));
}
+ } else if (ofAction instanceof OFActionEnqueue) {
+ salAction = new Enqueue(NodeConnectorCreator.createOFNodeConnector(
+ ((OFActionEnqueue) ofAction).getPort(), node),
+ ((OFActionEnqueue) ofAction).getQueueId());
} else if (ofAction instanceof OFActionVirtualLanIdentifier) {
salAction = new SetVlanId(
((OFActionVirtualLanIdentifier) ofAction)
return flow;
}
+ private static final Map<Integer, Class<? extends Action>> actionMap = new HashMap<Integer, Class<? extends Action>>() {
+ private static final long serialVersionUID = 1L;
+ {
+ put(1 << 0, Output.class);
+ put(1 << 1, SetVlanId.class);
+ put(1 << 2, SetVlanPcp.class);
+ put(1 << 3, PopVlan.class);
+ put(1 << 4, SetDlSrc.class);
+ put(1 << 5, SetDlDst.class);
+ put(1 << 6, SetNwSrc.class);
+ put(1 << 7, SetNwDst.class);
+ put(1 << 8, SetNwTos.class);
+ put(1 << 9, SetTpSrc.class);
+ put(1 << 10, SetTpDst.class);
+ put(1 << 11, Enqueue.class);
+ }
+ };
+
+ /**
+ * Returns the supported flow actions for the netwrok node given the bitmask
+ * representing the actions the Openflow 1.0 switch supports
+ *
+ * @param ofActionBitmask
+ * OF 1.0 action bitmask
+ * @return The correspondent list of SAL Action classes
+ */
+ public static List<Class<? extends Action>> getFlowActions(int ofActionBitmask) {
+ List<Class<? extends Action>> list = new ArrayList<Class<? extends Action>>();
+
+ for (int i = 0; i < Integer.SIZE; i++) {
+ int index = 1 << i;
+ if ((index & ofActionBitmask) > 0) {
+ if (actionMap.containsKey(index)) {
+ list.add(actionMap.get(index));
+ }
+ }
+ }
+ // Add implicit SAL actions
+ list.add(Controller.class);
+ list.add(SwPath.class);
+ list.add(HwPath.class);
+ list.add(Drop.class);
+
+ return list;
+ }
+
}
Code Review / controller.git / blobdiff