Merge branch 'master' of ssh://gerrit.onlab.us:29418/onos-next
diff --git a/of/api/src/main/java/org/onlab/onos/of/controller/OpenFlowSwitch.java b/of/api/src/main/java/org/onlab/onos/of/controller/OpenFlowSwitch.java
index e6f52bd..f3568c1 100644
--- a/of/api/src/main/java/org/onlab/onos/of/controller/OpenFlowSwitch.java
+++ b/of/api/src/main/java/org/onlab/onos/of/controller/OpenFlowSwitch.java
@@ -13,7 +13,7 @@
*
* @param msg the message to write
*/
- public void write(OFMessage msg);
+ public void sendMsg(OFMessage msg);
/**
* Handle a message from the switch.
diff --git a/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/internal/AbstractOpenFlowSwitch.java b/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/internal/AbstractOpenFlowSwitch.java
index 7f4830d..534daa0 100644
--- a/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/internal/AbstractOpenFlowSwitch.java
+++ b/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/internal/AbstractOpenFlowSwitch.java
@@ -18,7 +18,9 @@
package org.onlab.onos.of.controller.impl.internal;
import java.io.IOException;
+import java.util.Collections;
import java.util.List;
+import java.util.concurrent.atomic.AtomicInteger;
import org.jboss.netty.channel.Channel;
import org.onlab.onos.of.controller.Dpid;
@@ -27,12 +29,14 @@
import org.onlab.onos.of.controller.impl.internal.OpenFlowControllerImpl.OpenFlowSwitchAgent;
import org.onlab.onos.of.controller.impl.internal.RoleManager.RoleRecvStatus;
import org.onlab.onos.of.controller.impl.internal.RoleManager.RoleReplyInfo;
+import org.projectfloodlight.openflow.protocol.OFDescStatsReply;
import org.projectfloodlight.openflow.protocol.OFErrorMsg;
import org.projectfloodlight.openflow.protocol.OFExperimenter;
import org.projectfloodlight.openflow.protocol.OFFactories;
import org.projectfloodlight.openflow.protocol.OFFactory;
import org.projectfloodlight.openflow.protocol.OFFeaturesReply;
import org.projectfloodlight.openflow.protocol.OFMessage;
+import org.projectfloodlight.openflow.protocol.OFPortDesc;
import org.projectfloodlight.openflow.protocol.OFPortDescStatsReply;
import org.projectfloodlight.openflow.protocol.OFRoleReply;
import org.projectfloodlight.openflow.protocol.OFVersion;
@@ -45,10 +49,13 @@
private static Logger log =
LoggerFactory.getLogger(AbstractOpenFlowSwitch.class);
- private Channel channel;
+ protected Channel channel;
+ protected boolean startDriverHandshakeCalled = false;
+
private boolean connected;
private Dpid dpid;
private OpenFlowSwitchAgent agent;
+ private AtomicInteger xidCounter = new AtomicInteger(0);
private OFVersion ofVersion;
@@ -58,8 +65,12 @@
private final RoleManager roleMan = new RoleManager(this);
- protected AbstractOpenFlowSwitch(long dpid) {
- this.dpid = new Dpid(dpid);
+ protected RoleState role;
+
+ protected OFFeaturesReply features;
+
+ protected AbstractOpenFlowSwitch(Dpid dp) {
+ this.dpid = dp;
}
//************************
@@ -80,14 +91,16 @@
*
* @param m the message to be written
*/
- public abstract void write(OFMessage m);
+ public abstract void sendMsg(OFMessage m);
/**
* Writes to the OFMessage list to the output stream.
*
* @param msgs the messages to be written
*/
- public abstract void write(List<OFMessage> msgs);
+ public void write(List<OFMessage> msgs) {
+ this.channel.write(msgs);
+ }
/**
@@ -151,7 +164,9 @@
this.tableFull = full;
}
- public abstract void setFeaturesReply(OFFeaturesReply featuresReply);
+ public void setFeaturesReply(OFFeaturesReply featuresReply) {
+ this.features = featuresReply;
+ }
/**
* Let peoeple know if you support Nicira style role requests.
@@ -172,7 +187,9 @@
this.agent.processMessage(m);
}
- public abstract RoleState getRole();
+ public RoleState getRole() {
+ return role;
+ };
final boolean addConnectedSwitch() {
return this.agent.addConnectedSwitch(this.getId(), this);
@@ -214,7 +231,9 @@
public void setRole(RoleState role) {
try {
- this.roleMan.sendRoleRequest(role, RoleRecvStatus.MATCHED_SET_ROLE);
+ if (this.roleMan.sendRoleRequest(role, RoleRecvStatus.MATCHED_SET_ROLE)) {
+ this.role = role;
+ }
} catch (IOException e) {
log.error("Unable to write to switch {}.", this.dpid);
}
@@ -236,23 +255,23 @@
}
void handleNiciraRole(OFMessage m) throws SwitchStateException {
- RoleState role = this.roleMan.extractNiciraRoleReply((OFExperimenter) m);
- if (role == null) {
- // The message wasn't really a Nicira role reply. We just
- // dispatch it to the OFMessage listeners in this case.
- this.handleMessage(m);
- }
+ RoleState r = this.roleMan.extractNiciraRoleReply((OFExperimenter) m);
+ if (r == null) {
+ // The message wasn't really a Nicira role reply. We just
+ // dispatch it to the OFMessage listeners in this case.
+ this.handleMessage(m);
+ }
- RoleRecvStatus rrs = this.roleMan.deliverRoleReply(
- new RoleReplyInfo(role, null, m.getXid()));
- if (rrs == RoleRecvStatus.MATCHED_SET_ROLE) {
- if (role == RoleState.MASTER) {
- this.transitionToMasterSwitch();
- } else if (role == RoleState.EQUAL ||
- role == RoleState.SLAVE) {
- this.transitionToEqualSwitch();
- }
- }
+ RoleRecvStatus rrs = this.roleMan.deliverRoleReply(
+ new RoleReplyInfo(r, null, m.getXid()));
+ if (rrs == RoleRecvStatus.MATCHED_SET_ROLE) {
+ if (r == RoleState.MASTER) {
+ this.transitionToMasterSwitch();
+ } else if (r == RoleState.EQUAL ||
+ r == RoleState.SLAVE) {
+ this.transitionToEqualSwitch();
+ }
+ }
}
boolean handleRoleError(OFErrorMsg error) {
@@ -274,6 +293,16 @@
this.agent = ag;
}
+ public void setSwitchDescription(OFDescStatsReply desc) {
+ // TODO Auto-generated method stub
+ }
+ protected int getNextTransactionId() {
+ return this.xidCounter.getAndIncrement();
+ }
+
+ protected List<OFPortDesc> getPorts() {
+ return Collections.unmodifiableList(ports.getEntries());
+ }
}
diff --git a/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/internal/Controller.java b/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/internal/Controller.java
index 6ae3abb..b88a9ec 100644
--- a/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/internal/Controller.java
+++ b/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/internal/Controller.java
@@ -29,9 +29,11 @@
import org.jboss.netty.channel.group.ChannelGroup;
import org.jboss.netty.channel.group.DefaultChannelGroup;
import org.jboss.netty.channel.socket.nio.NioServerSocketChannelFactory;
+import org.onlab.onos.of.controller.Dpid;
import org.onlab.onos.of.controller.impl.annotations.LogMessageDoc;
import org.onlab.onos.of.controller.impl.annotations.LogMessageDocs;
import org.onlab.onos.of.controller.impl.internal.OpenFlowControllerImpl.OpenFlowSwitchAgent;
+import org.onlab.onos.of.drivers.DriverManager;
import org.projectfloodlight.openflow.protocol.OFDescStatsReply;
import org.projectfloodlight.openflow.protocol.OFFactories;
import org.projectfloodlight.openflow.protocol.OFFactory;
@@ -83,11 +85,6 @@
// Getters/Setters
// ***************
-
- public synchronized void setIOFSwitchManager(IOFSwitchManager swManager) {
- this.switchManager = swManager;
- }
-
public OFFactory getOFMessageFactory10() {
return FACTORY10;
}
@@ -201,18 +198,6 @@
}
- /**
- * Startup all of the controller's components.
- */
- @LogMessageDoc(message = "Waiting for storage source",
- explanation = "The system database is not yet ready",
- recommendation = "If this message persists, this indicates " +
- "that the system database has failed to start. " +
- LogMessageDoc.CHECK_CONTROLLER)
- public synchronized void startupComponents() {
- //TODO do something maybe
- }
-
// **************
// Utility methods
// **************
@@ -236,9 +221,10 @@
* @param desc
* @return switch instance
*/
- protected AbstractOpenFlowSwitch getOFSwitchInstance(OFDescStatsReply desc, OFVersion ofv) {
- AbstractOpenFlowSwitch sw = switchManager.getSwitchImpl(desc.getMfrDesc(), desc.getHwDesc(),
- desc.getSwDesc(), ofv);
+ protected AbstractOpenFlowSwitch getOFSwitchInstance(long dpid,
+ OFDescStatsReply desc, OFVersion ofv) {
+ AbstractOpenFlowSwitch sw = DriverManager.getOFSwitchImpl(new Dpid(dpid),
+ desc, ofv);
sw.setAgent(agent);
return sw;
}
@@ -247,7 +233,6 @@
log.info("Initialising OpenFlow Lib and IO");
this.agent = ag;
this.init(new HashMap<String, String>());
- this.startupComponents();
this.run();
}
diff --git a/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/internal/OFChannelHandler.java b/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/internal/OFChannelHandler.java
index 5db1fc3..23bc994 100644
--- a/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/internal/OFChannelHandler.java
+++ b/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/internal/OFChannelHandler.java
@@ -65,7 +65,6 @@
*/
class OFChannelHandler extends IdleStateAwareChannelHandler {
private static final Logger log = LoggerFactory.getLogger(OFChannelHandler.class);
- private static final long DEFAULT_ROLE_TIMEOUT_MS = 2 * 1000; // 10 sec
private final Controller controller;
private AbstractOpenFlowSwitch sw;
private long thisdpid; // channelHandler cached value of connected switch id
@@ -230,12 +229,6 @@
h.thisdpid = m.getDatapathId().getLong();
log.info("Received features reply for switch at {} with dpid {}",
h.getSwitchInfoString(), h.thisdpid);
- //update the controller about this connected switch
- boolean success = h.sw.addConnectedSwitch();
- if (!success) {
- disconnectDuplicate(h);
- return;
- }
h.featuresReply = m; //temp store
if (h.ofVersion == OFVersion.OF_10) {
@@ -419,7 +412,12 @@
h.channel.getRemoteAddress());
OFDescStatsReply drep = (OFDescStatsReply) m;
// Here is where we differentiate between different kinds of switches
- h.sw = h.controller.getOFSwitchInstance(drep, h.ofVersion);
+ h.sw = h.controller.getOFSwitchInstance(h.thisdpid, drep, h.ofVersion);
+ boolean success = h.sw.addConnectedSwitch();
+ if (!success) {
+ disconnectDuplicate(h);
+ return;
+ }
// set switch information
h.sw.setOFVersion(h.ofVersion);
h.sw.setFeaturesReply(h.featuresReply);
@@ -433,7 +431,9 @@
//Put switch in EQUAL mode until we hear back from the global registry
log.debug("Setting new switch {} to EQUAL and sending Role request",
h.sw.getStringId());
- h.setSwitchRole(RoleState.EQUAL);
+ h.sw.addActivatedEqualSwitch();
+ //h.setSwitchRole(RoleState.EQUAL);
+ h.setSwitchRole(RoleState.MASTER);
h.sw.startDriverHandshake();
h.setState(WAIT_SWITCH_DRIVER_SUB_HANDSHAKE);
diff --git a/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/internal/OpenFlowControllerImpl.java b/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/internal/OpenFlowControllerImpl.java
index 976e347..f846e65 100644
--- a/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/internal/OpenFlowControllerImpl.java
+++ b/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/internal/OpenFlowControllerImpl.java
@@ -24,12 +24,19 @@
@Service
public class OpenFlowControllerImpl implements OpenFlowController {
- protected ConcurrentHashMap<Long, OpenFlowSwitch> connectedSwitches;
- protected ConcurrentHashMap<Long, OpenFlowSwitch> activeMasterSwitches;
- protected ConcurrentHashMap<Long, OpenFlowSwitch> activeEqualSwitches;
+ private static final Logger log =
+ LoggerFactory.getLogger(OpenFlowControllerImpl.class);
+
+ protected ConcurrentHashMap<Long, OpenFlowSwitch> connectedSwitches =
+ new ConcurrentHashMap<Long, OpenFlowSwitch>();
+ protected ConcurrentHashMap<Long, OpenFlowSwitch> activeMasterSwitches =
+ new ConcurrentHashMap<Long, OpenFlowSwitch>();
+ protected ConcurrentHashMap<Long, OpenFlowSwitch> activeEqualSwitches =
+ new ConcurrentHashMap<Long, OpenFlowSwitch>();
protected OpenFlowSwitchAgent agent = new OpenFlowSwitchAgent();
- protected ArrayList<OpenFlowSwitchListener> ofEventListener;
+ protected ArrayList<OpenFlowSwitchListener> ofEventListener =
+ new ArrayList<OpenFlowSwitchListener>();
private final Controller ctrl = new Controller();
@@ -98,29 +105,17 @@
@Override
public void write(Dpid dpid, OFMessage msg) {
- this.getSwitch(dpid).write(msg);
+ this.getSwitch(dpid).sendMsg(msg);
}
@Override
public void processPacket(OFMessage msg) {
+ log.info("Got message {}", msg);
}
@Override
public void setRole(Dpid dpid, RoleState role) {
- switch (role) {
- case MASTER:
- agent.transitionToMasterSwitch(dpid.value());
- break;
- case EQUAL:
- agent.transitionToEqualSwitch(dpid.value());
- break;
- case SLAVE:
- //agent.transitionToSlaveSwitch(dpid.value());
- break;
- default:
- //WTF role is this?
- }
-
+ ((AbstractOpenFlowSwitch) getSwitch(dpid)).setRole(role);
}
public class OpenFlowSwitchAgent {
@@ -189,6 +184,7 @@
return false;
}
activeEqualSwitches.put(dpid, sw);
+ log.info("Added Activated EQUAL Switch {}", dpid);
return true;
} finally {
switchLock.unlock();
@@ -203,6 +199,9 @@
protected void transitionToMasterSwitch(long dpid) {
switchLock.lock();
try {
+ if (activeMasterSwitches.containsKey(dpid)) {
+ return;
+ }
OpenFlowSwitch sw = activeEqualSwitches.remove(dpid);
if (sw == null) {
log.error("Transition to master called on sw {}, but switch "
@@ -224,6 +223,9 @@
protected void transitionToEqualSwitch(long dpid) {
switchLock.lock();
try {
+ if (activeEqualSwitches.containsKey(dpid)) {
+ return;
+ }
OpenFlowSwitch sw = activeMasterSwitches.remove(dpid);
if (sw == null) {
log.error("Transition to equal called on sw {}, but switch "
diff --git a/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/internal/RoleManager.java b/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/internal/RoleManager.java
index f31487a..50e7b33 100644
--- a/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/internal/RoleManager.java
+++ b/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/internal/RoleManager.java
@@ -2,7 +2,6 @@
import java.io.IOException;
import java.util.Collections;
-import java.util.concurrent.atomic.AtomicInteger;
import org.onlab.onos.of.controller.RoleState;
import org.projectfloodlight.openflow.protocol.OFControllerRole;
@@ -50,7 +49,6 @@
// the expectation set by the caller for the returned role
private RoleRecvStatus expectation;
- private AtomicInteger xidCounter;
private AbstractOpenFlowSwitch sw;
@@ -58,7 +56,6 @@
this.requestPending = false;
this.pendingXid = -1;
this.pendingRole = null;
- this.xidCounter = new AtomicInteger(0);
this.expectation = RoleRecvStatus.MATCHED_CURRENT_ROLE;
this.sw = sw;
}
@@ -85,7 +82,7 @@
roleToSend = OFNiciraControllerRole.ROLE_SLAVE;
log.warn("Sending Nx Role.SLAVE to switch {}.", sw);
}
- int xid = xidCounter.getAndIncrement();
+ int xid = sw.getNextTransactionId();
OFExperimenter roleRequest = OFFactories.getFactory(OFVersion.OF_10)
.buildNiciraControllerRoleRequest()
.setXid(xid)
@@ -113,7 +110,7 @@
+ " Should only be used for queries.", sw);
}
- int xid = xidCounter.getAndIncrement();
+ int xid = sw.getNextTransactionId();
OFRoleRequest rrm = OFFactories.getFactory(OFVersion.OF_13)
.buildRoleRequest()
.setRole(roleToSend)
@@ -121,7 +118,7 @@
//FIXME fix below when we actually use generation ids
.setGenerationId(U64.ZERO)
.build();
- sw.write(rrm);
+ sw.sendMsg(rrm);
return xid;
}
diff --git a/of/ctl/src/main/java/org/onlab/onos/of/drivers/DriverManager.java b/of/ctl/src/main/java/org/onlab/onos/of/drivers/DriverManager.java
new file mode 100644
index 0000000..b475c91
--- /dev/null
+++ b/of/ctl/src/main/java/org/onlab/onos/of/drivers/DriverManager.java
@@ -0,0 +1,111 @@
+package org.onlab.onos.of.drivers;
+
+
+
+import org.onlab.onos.of.controller.Dpid;
+import org.onlab.onos.of.controller.RoleState;
+import org.onlab.onos.of.controller.impl.internal.AbstractOpenFlowSwitch;
+import org.projectfloodlight.openflow.protocol.OFDescStatsReply;
+import org.projectfloodlight.openflow.protocol.OFFeaturesReply;
+import org.projectfloodlight.openflow.protocol.OFMessage;
+import org.projectfloodlight.openflow.protocol.OFVersion;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * A simple implementation of a driver manager that differentiates between
+ * connected switches using the OF Description Statistics Reply message.
+ */
+public final class DriverManager {
+
+ private static final Logger log = LoggerFactory.getLogger(DriverManager.class);
+
+ // Whether to use an OF 1.3 configured TTP, or to use an OF 1.0-style
+ // single table with packet-ins.
+ private static boolean cpqdUsePipeline13 = false;
+
+ /**
+ * Return an IOFSwitch object based on switch's manufacturer description
+ * from OFDescStatsReply.
+ *
+ * @param desc DescriptionStatistics reply from the switch
+ * @return A IOFSwitch instance if the driver found an implementation for
+ * the given description. Otherwise it returns OFSwitchImplBase
+ */
+ public static AbstractOpenFlowSwitch getOFSwitchImpl(Dpid dpid,
+ OFDescStatsReply desc, OFVersion ofv) {
+ String vendor = desc.getMfrDesc();
+ String hw = desc.getHwDesc();
+ if (vendor.startsWith("Stanford University, Ericsson Research and CPqD Research")
+ &&
+ hw.startsWith("OpenFlow 1.3 Reference Userspace Switch")) {
+ return new OFSwitchImplCPqD13(dpid, desc, cpqdUsePipeline13);
+ }
+
+ if (vendor.startsWith("Nicira") &&
+ hw.startsWith("Open vSwitch")) {
+ if (ofv == OFVersion.OF_10) {
+ return new OFSwitchImplOVS10(dpid, desc);
+ } else if (ofv == OFVersion.OF_13) {
+ return new OFSwitchImplOVS13(dpid, desc);
+ }
+ }
+
+ log.warn("DriverManager could not identify switch desc: {}. "
+ + "Assigning OFSwitchImplBase", desc);
+ AbstractOpenFlowSwitch base = new AbstractOpenFlowSwitch(dpid) {
+
+
+ @Override
+ public void sendMsg(OFMessage m) {
+ channel.write(m);
+ }
+
+ @Override
+ public Boolean supportNxRole() {
+ return false;
+ }
+
+ @Override
+ public void startDriverHandshake() {}
+
+ @Override
+ public void setFeaturesReply(OFFeaturesReply featuresReply) {
+ this.features = featuresReply;
+ }
+
+ @Override
+ public void processDriverHandshakeMessage(OFMessage m) {}
+
+ @Override
+ public boolean isDriverHandshakeComplete() {
+ return true;
+ }
+
+ @Override
+ public RoleState getRole() {
+ return role;
+ }
+ };
+ base.setSwitchDescription(desc);
+ return base;
+ }
+
+ /**
+ * Private constructor to avoid instantiation.
+ */
+ private DriverManager() {
+ }
+
+ /**
+ * Sets the configuration parameter which determines how the CPqD switch
+ * is set up. If usePipeline13 is true, a 1.3 pipeline will be set up on
+ * the switch. Otherwise, the switch will be set up in a 1.0 style with
+ * a single table where missed packets are sent to the controller.
+ *
+ * @param usePipeline13 whether to use a 1.3 pipeline or not
+ */
+ public static void setConfigForCpqd(boolean usePipeline13) {
+ cpqdUsePipeline13 = usePipeline13;
+ }
+}
diff --git a/of/ctl/src/main/java/org/onlab/onos/of/drivers/OFSwitchImplCPqD13.java b/of/ctl/src/main/java/org/onlab/onos/of/drivers/OFSwitchImplCPqD13.java
new file mode 100644
index 0000000..c3377e6
--- /dev/null
+++ b/of/ctl/src/main/java/org/onlab/onos/of/drivers/OFSwitchImplCPqD13.java
@@ -0,0 +1,1237 @@
+package org.onlab.onos.of.drivers;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.onlab.onos.of.controller.Dpid;
+import org.onlab.onos.of.controller.RoleState;
+import org.onlab.onos.of.controller.impl.internal.AbstractOpenFlowSwitch;
+import org.onlab.onos.of.controller.impl.internal.SwitchDriverSubHandshakeAlreadyStarted;
+import org.onlab.onos.of.controller.impl.internal.SwitchDriverSubHandshakeCompleted;
+import org.onlab.onos.of.controller.impl.internal.SwitchDriverSubHandshakeNotStarted;
+import org.projectfloodlight.openflow.protocol.OFAsyncGetReply;
+import org.projectfloodlight.openflow.protocol.OFBarrierRequest;
+import org.projectfloodlight.openflow.protocol.OFBucket;
+import org.projectfloodlight.openflow.protocol.OFDescStatsReply;
+import org.projectfloodlight.openflow.protocol.OFErrorMsg;
+import org.projectfloodlight.openflow.protocol.OFFactory;
+import org.projectfloodlight.openflow.protocol.OFGroupDescStatsReply;
+import org.projectfloodlight.openflow.protocol.OFGroupFeaturesStatsReply;
+import org.projectfloodlight.openflow.protocol.OFGroupType;
+import org.projectfloodlight.openflow.protocol.OFMatchV3;
+import org.projectfloodlight.openflow.protocol.OFMessage;
+import org.projectfloodlight.openflow.protocol.OFOxmList;
+import org.projectfloodlight.openflow.protocol.OFPortDesc;
+import org.projectfloodlight.openflow.protocol.OFStatsReply;
+import org.projectfloodlight.openflow.protocol.action.OFAction;
+import org.projectfloodlight.openflow.protocol.instruction.OFInstruction;
+import org.projectfloodlight.openflow.protocol.oxm.OFOxmEthDst;
+import org.projectfloodlight.openflow.protocol.oxm.OFOxmEthSrc;
+import org.projectfloodlight.openflow.protocol.oxm.OFOxmEthType;
+import org.projectfloodlight.openflow.protocol.oxm.OFOxmInPort;
+import org.projectfloodlight.openflow.protocol.oxm.OFOxmIpv4DstMasked;
+import org.projectfloodlight.openflow.protocol.oxm.OFOxmMetadataMasked;
+import org.projectfloodlight.openflow.protocol.oxm.OFOxmMplsLabel;
+import org.projectfloodlight.openflow.protocol.oxm.OFOxmVlanVid;
+import org.projectfloodlight.openflow.types.EthType;
+import org.projectfloodlight.openflow.types.IPv4Address;
+import org.projectfloodlight.openflow.types.MacAddress;
+import org.projectfloodlight.openflow.types.OFBufferId;
+import org.projectfloodlight.openflow.types.OFGroup;
+import org.projectfloodlight.openflow.types.OFMetadata;
+import org.projectfloodlight.openflow.types.OFPort;
+import org.projectfloodlight.openflow.types.OFVlanVidMatch;
+import org.projectfloodlight.openflow.types.TableId;
+import org.projectfloodlight.openflow.types.U32;
+import org.projectfloodlight.openflow.types.U64;
+import org.projectfloodlight.openflow.util.HexString;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * OFDescriptionStatistics Vendor (Manufacturer Desc.): Stanford University,
+ * Ericsson Research and CPqD Research. Make (Hardware Desc.) : OpenFlow 1.3
+ * Reference Userspace Switch Model (Datapath Desc.) : None Software : Serial :
+ * None
+ */
+public class OFSwitchImplCPqD13 extends AbstractOpenFlowSwitch {
+
+ private static Logger log =
+ LoggerFactory.getLogger(OFSwitchImplCPqD13.class);
+
+ private static final int VLAN_ID_OFFSET = 16;
+ private AtomicBoolean driverHandshakeComplete;
+ private OFFactory factory;
+ private static final int OFPCML_NO_BUFFER = 0xffff;
+ // Configuration of asynch messages to controller. We need different
+ // asynch messages depending on role-equal or role-master.
+ // We don't want to get anything if we are slave.
+ private static final long SET_FLOW_REMOVED_MASK_MASTER = 0xf;
+ private static final long SET_PACKET_IN_MASK_MASTER = 0x7;
+ private static final long SET_PORT_STATUS_MASK_MASTER = 0x7;
+ private static final long SET_FLOW_REMOVED_MASK_EQUAL = 0x0;
+ private static final long SET_PACKET_IN_MASK_EQUAL = 0x0;
+ private static final long SET_PORT_STATUS_MASK_EQUAL = 0x7;
+ private static final long SET_ALL_SLAVE = 0x0;
+
+ private static final long TEST_FLOW_REMOVED_MASK = 0xf;
+ private static final long TEST_PACKET_IN_MASK = 0x7;
+ private static final long TEST_PORT_STATUS_MASK = 0x7;
+ private long barrierXidToWaitFor = -1;
+
+ private static final int TABLE_VLAN = 0;
+ private static final int TABLE_TMAC = 1;
+ private static final int TABLE_IPV4_UNICAST = 2;
+ private static final int TABLE_MPLS = 3;
+ private static final int TABLE_META = 4;
+ private static final int TABLE_ACL = 5;
+
+ private static final short MAX_PRIORITY = (short) 0xffff;
+ private static final short SLASH_24_PRIORITY = (short) 0xfff0;
+ private static final short MIN_PRIORITY = 0x0;
+ private static final U64 METADATA_MASK = U64.of(Long.MAX_VALUE << 1 | 0x1);
+
+ ConcurrentHashMap<Integer, OFGroup> l2groups;
+
+ private final boolean usePipeline13;
+
+ public OFSwitchImplCPqD13(Dpid dpid, OFDescStatsReply desc, boolean usePipeline13) {
+ super(dpid);
+ driverHandshakeComplete = new AtomicBoolean(false);
+ l2groups = new ConcurrentHashMap<Integer, OFGroup>();
+ setSwitchDescription(desc);
+
+ this.usePipeline13 = usePipeline13;
+ }
+
+ /* (non-Javadoc)
+ * @see java.lang.Object#toString()
+ */
+ @Override
+ public String toString() {
+ return "OFSwitchImplCPqD13 [" + ((channel != null)
+ ? channel.getRemoteAddress() : "?")
+ + " DPID[" + ((this.getStringId() != null) ? this.getStringId() : "?") + "]]";
+ }
+
+ @Override
+ public void startDriverHandshake() {
+ log.debug("Starting driver handshake for sw {}", getStringId());
+ if (startDriverHandshakeCalled) {
+ throw new SwitchDriverSubHandshakeAlreadyStarted();
+ }
+ startDriverHandshakeCalled = true;
+ factory = this.factory();
+ if (!usePipeline13) {
+ // Send packet-in to controller if a packet misses the first table
+ populateTableMissEntry(0, true, false, false, 0);
+ } //else {
+ // configureSwitch();
+ //}
+ sendBarrier(true);
+ }
+
+ @Override
+ public boolean isDriverHandshakeComplete() {
+ if (!startDriverHandshakeCalled) {
+ throw new SwitchDriverSubHandshakeNotStarted();
+ }
+ return driverHandshakeComplete.get();
+ }
+
+ @Override
+ public void processDriverHandshakeMessage(OFMessage m) {
+ if (!startDriverHandshakeCalled) {
+ throw new SwitchDriverSubHandshakeNotStarted();
+ }
+ if (driverHandshakeComplete.get()) {
+ throw new SwitchDriverSubHandshakeCompleted(m);
+ }
+
+ if (!startDriverHandshakeCalled) {
+ throw new SwitchDriverSubHandshakeNotStarted();
+ }
+ if (driverHandshakeComplete.get()) {
+ throw new SwitchDriverSubHandshakeCompleted(m);
+ }
+
+ switch (m.getType()) {
+ case BARRIER_REPLY:
+ if (m.getXid() == barrierXidToWaitFor) {
+ driverHandshakeComplete.set(true);
+ }
+ break;
+
+ case ERROR:
+ log.error("Switch {} Error {}", getStringId(), (OFErrorMsg) m);
+ break;
+
+ case FEATURES_REPLY:
+ break;
+ case FLOW_REMOVED:
+ break;
+ case GET_ASYNC_REPLY:
+ OFAsyncGetReply asrep = (OFAsyncGetReply) m;
+ decodeAsyncGetReply(asrep);
+ break;
+
+ case PACKET_IN:
+ break;
+ case PORT_STATUS:
+ break;
+ case QUEUE_GET_CONFIG_REPLY:
+ break;
+ case ROLE_REPLY:
+ break;
+
+ case STATS_REPLY:
+ processStatsReply((OFStatsReply) m);
+ break;
+
+ default:
+ log.debug("Received message {} during switch-driver subhandshake "
+ + "from switch {} ... Ignoring message", m, getStringId());
+
+ }
+ }
+
+ private void configureSwitch() throws IOException {
+ // setAsyncConfig();
+ // getTableFeatures();
+ sendGroupFeaturesRequest();
+ setL2Groups();
+ sendBarrier(false);
+ setL3Groups();
+ setL25Groups();
+ sendGroupDescRequest();
+ populateTableVlan();
+ populateTableTMac();
+ populateIpTable();
+ populateMplsTable();
+ populateTableMissEntry(TABLE_ACL, false, false, false, -1);
+ sendBarrier(true);
+ }
+
+ private void setAsyncConfig() throws IOException {
+ List<OFMessage> msglist = new ArrayList<OFMessage>(3);
+ OFMessage setAC = null;
+
+ if (role == RoleState.MASTER) {
+ setAC = factory.buildAsyncSet()
+ .setFlowRemovedMaskEqualMaster(SET_FLOW_REMOVED_MASK_MASTER)
+ .setPacketInMaskEqualMaster(SET_PACKET_IN_MASK_MASTER)
+ .setPortStatusMaskEqualMaster(SET_PORT_STATUS_MASK_MASTER)
+ .setFlowRemovedMaskSlave(SET_ALL_SLAVE)
+ .setPacketInMaskSlave(SET_ALL_SLAVE)
+ .setPortStatusMaskSlave(SET_ALL_SLAVE)
+ .setXid(getNextTransactionId())
+ .build();
+ } else if (role == RoleState.EQUAL) {
+ setAC = factory.buildAsyncSet()
+ .setFlowRemovedMaskEqualMaster(SET_FLOW_REMOVED_MASK_EQUAL)
+ .setPacketInMaskEqualMaster(SET_PACKET_IN_MASK_EQUAL)
+ .setPortStatusMaskEqualMaster(SET_PORT_STATUS_MASK_EQUAL)
+ .setFlowRemovedMaskSlave(SET_ALL_SLAVE)
+ .setPacketInMaskSlave(SET_ALL_SLAVE)
+ .setPortStatusMaskSlave(SET_ALL_SLAVE)
+ .setXid(getNextTransactionId())
+ .build();
+ }
+ msglist.add(setAC);
+
+ OFMessage br = factory.buildBarrierRequest()
+ .setXid(getNextTransactionId())
+ .build();
+ msglist.add(br);
+
+ OFMessage getAC = factory.buildAsyncGetRequest()
+ .setXid(getNextTransactionId())
+ .build();
+ msglist.add(getAC);
+
+ write(msglist);
+ }
+
+ private void decodeAsyncGetReply(OFAsyncGetReply rep) {
+ long frm = rep.getFlowRemovedMaskEqualMaster();
+ //long frs = rep.getFlowRemovedMaskSlave();
+ long pim = rep.getPacketInMaskEqualMaster();
+ //long pis = rep.getPacketInMaskSlave();
+ long psm = rep.getPortStatusMaskEqualMaster();
+ //long pss = rep.getPortStatusMaskSlave();
+
+ if (role == RoleState.MASTER || role == RoleState.EQUAL) { // should separate
+ log.info("FRM:{}", HexString.toHexString((frm & TEST_FLOW_REMOVED_MASK)));
+ log.info("PIM:{}", HexString.toHexString((pim & TEST_PACKET_IN_MASK)));
+ log.info("PSM:{}", HexString.toHexString((psm & TEST_PORT_STATUS_MASK)));
+ }
+
+ }
+
+ private void getTableFeatures() throws IOException {
+ OFMessage gtf = factory.buildTableFeaturesStatsRequest()
+ .setXid(getNextTransactionId())
+ .build();
+ sendMsg(gtf);
+ }
+
+ private void sendGroupFeaturesRequest() throws IOException {
+ OFMessage gfr = factory.buildGroupFeaturesStatsRequest()
+ .setXid(getNextTransactionId())
+ .build();
+ sendMsg(gfr);
+ }
+
+ private void sendGroupDescRequest() throws IOException {
+ OFMessage gdr = factory.buildGroupDescStatsRequest()
+ .setXid(getNextTransactionId())
+ .build();
+ sendMsg(gdr);
+ }
+
+ /*Create L2 interface groups for all physical ports
+ Naming convention followed is the same as OF-DPA spec
+ eg. port 1 with allowed vlan 10, is enveloped in group with id,
+ 0x0 00a 0001, where the uppermost 4 bits identify an L2 interface,
+ the next 12 bits identify the vlan-id, and the lowermost 16 bits
+ identify the port number.*/
+ private void setL2Groups() throws IOException {
+ List<OFMessage> msglist = new ArrayList<OFMessage>();
+ for (OFPortDesc p : getPorts()) {
+ int pnum = p.getPortNo().getPortNumber();
+ int portVlan = getVlanConfig(pnum);
+ if (U32.of(pnum).compareTo(U32.of(OFPort.MAX.getPortNumber())) < 1) {
+ OFGroup gl2 = OFGroup.of(pnum | (portVlan << VLAN_ID_OFFSET));
+ OFAction out = factory.actions().buildOutput()
+ .setPort(p.getPortNo()).build();
+ OFAction popVlan = factory.actions().popVlan();
+ List<OFAction> actions = new ArrayList<OFAction>();
+ actions.add(popVlan);
+ actions.add(out);
+ OFBucket bucket = factory.buildBucket()
+ .setActions(actions).build();
+ List<OFBucket> buckets = Collections.singletonList(bucket);
+ OFMessage gmAdd = factory.buildGroupAdd()
+ .setGroup(gl2)
+ .setBuckets(buckets)
+ .setGroupType(OFGroupType.INDIRECT)
+ .setXid(getNextTransactionId())
+ .build();
+ msglist.add(gmAdd);
+ l2groups.put(pnum, gl2);
+ }
+ }
+ log.debug("Creating {} L2 groups in sw {}", msglist.size(), getStringId());
+ write(msglist);
+ }
+
+ private int getVlanConfig(int portnum) {
+ int portVlan = 10 * portnum;
+ if ((getId() == 0x1 && portnum == 6) ||
+ (getId() == 0x2) ||
+ (getId() == 0x3 && portnum == 2)) {
+ portVlan = 192; // 0xc0
+ }
+ return portVlan;
+ }
+
+ private MacAddress getRouterMacAddr() {
+ if (getId() == 0x3) {
+ return MacAddress.of("00:00:07:07:07:80"); // router mac
+ }
+ if (getId() == 0x1) {
+ return MacAddress.of("00:00:01:01:01:80");
+ }
+ // switch 0x2
+ return MacAddress.of("00:00:02:02:02:80");
+ }
+
+ // only for ports connected to other routers
+ private OFAction getDestAction(int portnum) {
+ OFAction setDA = null;
+ MacAddress dAddr = null;
+ if (getId() == 0x1 && portnum == 6) { // connected to switch 2
+ dAddr = MacAddress.of("00:00:02:02:02:80");
+ }
+ if (getId() == 0x2) {
+ if (portnum == 1) { // connected to sw 1
+ dAddr = MacAddress.of("00:00:01:01:01:80");
+ } else if (portnum == 2) { // connected to sw 3
+ dAddr = MacAddress.of("00:00:07:07:07:80");
+ }
+ }
+ if (getId() == 0x3) {
+ if (portnum == 2) { // connected to switch 2
+ dAddr = MacAddress.of("00:00:02:02:02:80");
+ }
+ }
+
+ if (dAddr != null) {
+ OFOxmEthDst dstAddr = factory.oxms().ethDst(dAddr);
+ setDA = factory.actions().buildSetField()
+ .setField(dstAddr).build();
+ }
+ return setDA;
+ }
+
+ /*
+ * L3 groups are created for all router ports and they all point to corresponding
+ * L2 groups. Only the ports that connect to other routers will have the
+ * DA set.
+ */
+ private void setL3Groups() throws IOException {
+ List<OFMessage> msglist = new ArrayList<OFMessage>();
+ for (OFGroup gl2 : l2groups.values()) {
+ int gnum = gl2.getGroupNumber();
+ int portnum = gnum & 0x0000ffff;
+ int vlanid = ((gnum & 0x0fff0000) >> VLAN_ID_OFFSET);
+ MacAddress sAddr = getRouterMacAddr();
+
+ OFGroup gl3 = OFGroup.of(0x20000000 | portnum);
+ OFAction group = factory.actions().buildGroup()
+ .setGroup(gl2).build();
+ OFOxmEthSrc srcAddr = factory.oxms().ethSrc(sAddr);
+ OFAction setSA = factory.actions().buildSetField()
+ .setField(srcAddr).build();
+ OFOxmVlanVid vid = factory.oxms().vlanVid(OFVlanVidMatch.ofVlan(vlanid));
+ OFAction setVlan = factory.actions().buildSetField()
+ .setField(vid).build();
+ OFAction decTtl = factory.actions().decNwTtl();
+
+ List<OFAction> actions = new ArrayList<OFAction>();
+ actions.add(decTtl); // decrement the IP TTL/do-checksum/check TTL
+ // and MTU
+ actions.add(setVlan); // set the vlan-id of the exit-port (and
+ // l2group)
+ actions.add(setSA); // set this routers mac address
+ // make L3Unicast group setDA for known (configured) ports
+ // that connect to other routers
+ OFAction setDA = getDestAction(portnum);
+ if (setDA != null) {
+ actions.add(setDA);
+ }
+ actions.add(group);
+
+ OFBucket bucket = factory.buildBucket()
+ .setActions(actions).build();
+ List<OFBucket> buckets = Collections.singletonList(bucket);
+ OFMessage gmAdd = factory.buildGroupAdd()
+ .setGroup(gl3)
+ .setBuckets(buckets)
+ .setGroupType(OFGroupType.INDIRECT)
+ .setXid(getNextTransactionId())
+ .build();
+ msglist.add(gmAdd);
+ }
+ write(msglist);
+ log.debug("Creating {} L3 groups in sw {}", msglist.size(), getStringId());
+ }
+
+ /*
+ * L2.5 or mpls-unicast groups are only created for those router ports
+ * connected to other router ports. They differ from the corresponding
+ * L3-unicast group only by the fact that they decrement the MPLS TTL
+ * instead of the IP ttl
+ */
+ private void setL25Groups() throws IOException {
+ List<OFMessage> msglist = new ArrayList<OFMessage>();
+ for (OFGroup gl2 : l2groups.values()) {
+ int gnum = gl2.getGroupNumber();
+ int portnum = gnum & 0x0000ffff;
+ int vlanid = ((gnum & 0x0fff0000) >> VLAN_ID_OFFSET);
+ MacAddress sAddr = getRouterMacAddr();
+ OFAction setDA = getDestAction(portnum);
+ // setDA will only be non-null for ports connected to routers
+ if (setDA != null) {
+ OFGroup gl3 = OFGroup.of(0xa0000000 | portnum); // different id
+ // for mpls
+ // group
+ OFAction group = factory.actions().buildGroup()
+ .setGroup(gl2).build();
+ OFOxmEthSrc srcAddr = factory.oxms().ethSrc(sAddr);
+ OFAction setSA = factory.actions().buildSetField()
+ .setField(srcAddr).build();
+ OFOxmVlanVid vid = factory.oxms().vlanVid(OFVlanVidMatch.ofVlan(vlanid));
+ OFAction setVlan = factory.actions().buildSetField()
+ .setField(vid).build();
+ OFAction decMplsTtl = factory.actions().decMplsTtl();
+ List<OFAction> actions = new ArrayList<OFAction>();
+ actions.add(decMplsTtl); // decrement the MPLS
+ // TTL/do-checksum/check TTL and MTU
+ actions.add(setVlan); // set the vlan-id of the exit-port (and
+ // l2group)
+ actions.add(setSA); // set this routers mac address
+ actions.add(setDA);
+ actions.add(group);
+ OFBucket bucket = factory.buildBucket()
+ .setActions(actions).build();
+ List<OFBucket> buckets = Collections.singletonList(bucket);
+ OFMessage gmAdd = factory.buildGroupAdd()
+ .setGroup(gl3)
+ .setBuckets(buckets)
+ .setGroupType(OFGroupType.INDIRECT)
+ .setXid(getNextTransactionId())
+ .build();
+ msglist.add(gmAdd);
+ }
+ }
+ write(msglist);
+ log.debug("Creating {} MPLS groups in sw {}", msglist.size(), getStringId());
+ }
+
+ /* Using ECMP groups
+ *
+ * OFGroup group47 = OFGroup.of(47);
+ OFAction outgroup1 = factory.actions()
+ .buildGroup()
+ .setGroup(group61)
+ .build();
+ OFBucket buc47_1 = factory.buildBucket()
+ .setWeight(1)
+ .setActions(Collections.singletonList(outgroup1))
+ .build();
+ OFAction outgroup2 = factory.actions()
+ .buildGroup()
+ .setGroup(group62)
+ .build();
+ OFBucket buc47_2 = factory.buildBucket()
+ .setWeight(1)
+ .setActions(Collections.singletonList(outgroup2))
+ .build();
+ List<OFBucket> buckets47 = new ArrayList<OFBucket>();
+ buckets47.add(buc47_1);
+ buckets47.add(buc47_2);
+ OFMessage gmS12 = factory.buildGroupAdd()
+ .setGroup(group47)
+ .setBuckets(buckets47)
+ .setGroupType(OFGroupType.SELECT)
+ .setXid(getNextTransactionId())
+ .build();
+ write(gmS12, null); */
+
+ private void processStatsReply(OFStatsReply sr) {
+ switch (sr.getStatsType()) {
+ case AGGREGATE:
+ break;
+ case DESC:
+ break;
+ case EXPERIMENTER:
+ break;
+ case FLOW:
+ break;
+ case GROUP_DESC:
+ processGroupDesc((OFGroupDescStatsReply) sr);
+ break;
+ case GROUP_FEATURES:
+ processGroupFeatures((OFGroupFeaturesStatsReply) sr);
+ break;
+ case METER_CONFIG:
+ break;
+ case METER_FEATURES:
+ break;
+ case PORT_DESC:
+ break;
+ case TABLE_FEATURES:
+ break;
+ default:
+ break;
+
+ }
+ }
+
+ private void processGroupFeatures(OFGroupFeaturesStatsReply gfsr) {
+ log.info("Sw: {} Group Features {}", getStringId(), gfsr);
+ }
+
+ private void processGroupDesc(OFGroupDescStatsReply gdsr) {
+ log.info("Sw: {} Group Desc {}", getStringId(), gdsr);
+ }
+
+ private void populateTableVlan() throws IOException {
+ // for all incoming ports assign configured port-vlans
+ // currently assign portnum*10 -> vlanid to access ports
+ // and vlan 192 to router to router ports
+ List<OFMessage> msglist = new ArrayList<OFMessage>();
+ for (OFPortDesc p : getPorts()) {
+ int pnum = p.getPortNo().getPortNumber();
+ if (U32.of(pnum).compareTo(U32.of(OFPort.MAX.getPortNumber())) < 1) {
+ int vlanid = getVlanConfig(pnum);
+ OFOxmInPort oxp = factory.oxms().inPort(p.getPortNo());
+ OFOxmVlanVid oxv = factory.oxms()
+ .vlanVid(OFVlanVidMatch.UNTAGGED);
+ OFOxmList oxmList = OFOxmList.of(oxp, oxv);
+ OFMatchV3 match = factory.buildMatchV3()
+ .setOxmList(oxmList).build();
+ OFOxmVlanVid vidToSet = factory.oxms()
+ .vlanVid(OFVlanVidMatch.ofVlan(vlanid));
+ OFAction pushVlan = factory.actions().pushVlan(EthType.VLAN_FRAME);
+ OFAction setVlan = factory.actions().setField(vidToSet);
+ List<OFAction> actionlist = new ArrayList<OFAction>();
+ actionlist.add(pushVlan);
+ actionlist.add(setVlan);
+ OFInstruction appAction = factory.instructions().buildApplyActions()
+ .setActions(actionlist).build();
+ OFInstruction gotoTbl = factory.instructions().buildGotoTable()
+ .setTableId(TableId.of(TABLE_TMAC)).build();
+ List<OFInstruction> instructions = new ArrayList<OFInstruction>();
+ instructions.add(appAction);
+ instructions.add(gotoTbl);
+ OFMessage flowEntry = factory.buildFlowAdd()
+ .setTableId(TableId.of(TABLE_VLAN))
+ .setMatch(match)
+ .setInstructions(instructions)
+ .setPriority(1000) // does not matter - all rules
+ // exclusive
+ .setBufferId(OFBufferId.NO_BUFFER)
+ .setIdleTimeout(0)
+ .setHardTimeout(0)
+ .setXid(getNextTransactionId())
+ .build();
+ msglist.add(flowEntry);
+ }
+ }
+ // table-vlan has no table-miss entry, and so packets that miss are
+ // essentially dropped
+ write(msglist);
+ log.debug("Adding {} vlan-rules in sw {}", msglist.size(), getStringId());
+ }
+
+ private void populateTableTMac() throws IOException {
+ // match for ip packets
+ OFOxmEthType oxe = factory.oxms().ethType(EthType.IPv4);
+ OFOxmList oxmListIp = OFOxmList.of(oxe);
+ OFMatchV3 matchIp = factory.buildMatchV3()
+ .setOxmList(oxmListIp).build();
+ OFInstruction gotoTblIp = factory.instructions().buildGotoTable()
+ .setTableId(TableId.of(TABLE_IPV4_UNICAST)).build();
+ List<OFInstruction> instructionsIp = Collections.singletonList(gotoTblIp);
+ OFMessage ipEntry = factory.buildFlowAdd()
+ .setTableId(TableId.of(TABLE_TMAC))
+ .setMatch(matchIp)
+ .setInstructions(instructionsIp)
+ .setPriority(1000) // strict priority required lower than
+ // multicastMac
+ .setBufferId(OFBufferId.NO_BUFFER)
+ .setIdleTimeout(0)
+ .setHardTimeout(0)
+ .setXid(getNextTransactionId())
+ .build();
+
+ // match for mpls packets
+ OFOxmEthType oxmpls = factory.oxms().ethType(EthType.MPLS_UNICAST);
+ OFOxmList oxmListMpls = OFOxmList.of(oxmpls);
+ OFMatchV3 matchMpls = factory.buildMatchV3()
+ .setOxmList(oxmListMpls).build();
+ OFInstruction gotoTblMpls = factory.instructions().buildGotoTable()
+ .setTableId(TableId.of(TABLE_MPLS)).build();
+ List<OFInstruction> instructionsMpls = Collections.singletonList(gotoTblMpls);
+ OFMessage mplsEntry = factory.buildFlowAdd()
+ .setTableId(TableId.of(TABLE_TMAC))
+ .setMatch(matchMpls)
+ .setInstructions(instructionsMpls)
+ .setPriority(1001) // strict priority required lower than
+ // multicastMac
+ .setBufferId(OFBufferId.NO_BUFFER)
+ .setIdleTimeout(0)
+ .setHardTimeout(0)
+ .setXid(getNextTransactionId())
+ .build();
+
+ // match for everything else to send to controller. Essentially
+ // the table miss flow entry
+ populateTableMissEntry(TABLE_TMAC, true, false, false, -1);
+ log.debug("Adding termination-mac-rules in sw {}", getStringId());
+ List<OFMessage> msglist = new ArrayList<OFMessage>(2);
+ msglist.add(ipEntry);
+ msglist.add(mplsEntry);
+ write(msglist);
+ }
+
+ private List<String> getMyIps() { // send to controller
+ List<String> myIps = new ArrayList<String>();
+ if (getId() == 0x1) {
+ myIps.add("10.0.2.128");
+ myIps.add("10.0.3.128");
+ myIps.add("10.0.1.128");
+ myIps.add("192.168.0.1");
+ }
+ if (getId() == 0x2) {
+ myIps.add("192.168.0.2");
+ }
+ if (getId() == 0x3) {
+ myIps.add("192.168.0.3");
+ myIps.add("7.7.7.128");
+ }
+ return myIps;
+ }
+
+ private List<String> getMySubnetIps() { // send to controller
+ List<String> subnetIps = new ArrayList<String>();
+ if (getId() == 0x1) {
+ subnetIps.add("10.0.2.0");
+ subnetIps.add("10.0.3.0");
+ subnetIps.add("10.0.1.0");
+ }
+ // TODO needed?
+ //if (getId() == 0x2) {
+ //}
+ if (getId() == 0x3) {
+ subnetIps.add("7.7.7.0");
+ }
+ return subnetIps;
+ }
+
+ private static class RouteEntry {
+ String prefix;
+ String mask;
+ int nextHopPort;
+ String dstMac;
+ int label;
+
+ public RouteEntry(String prefix, String mask, int nextHopPort, int label) {
+ this.prefix = prefix;
+ this.mask = mask;
+ this.nextHopPort = nextHopPort;
+ this.label = label;
+ }
+
+ public RouteEntry(String prefix, int nextHopPort, String dstMac) {
+ this.prefix = prefix;
+ this.nextHopPort = nextHopPort;
+ this.dstMac = dstMac;
+ }
+ }
+
+ // send out of mpls-group where the next-hop mac-da is already set
+ private List<RouteEntry> getRouterNextHopIps() {
+ List<RouteEntry> routerNextHopIps = new ArrayList<RouteEntry>();
+ if (getId() == 0x1) {
+ routerNextHopIps
+ .add(new RouteEntry("192.168.0.2", "255.255.255.255", 6, 102));
+ routerNextHopIps
+ .add(new RouteEntry("192.168.0.3", "255.255.255.255", 6, 103));
+ routerNextHopIps.add(new RouteEntry("7.7.7.0", "255.255.255.0", 6, 103));
+ }
+ //if (getId() == 0x2) {
+ /* These are required for normal IP routing without labels.
+ routerNextHopIps.add(new RouteEntry("192.168.0.1","255.255.255.255",1));
+ routerNextHopIps.add(new RouteEntry("192.168.0.3","255.255.255.255",2));
+ routerNextHopIps.add(new RouteEntry("10.0.1.0","255.255.255.0",1));
+ routerNextHopIps.add(new RouteEntry("10.0.2.0","255.255.255.0",1));
+ routerNextHopIps.add(new RouteEntry("10.0.3.0","255.255.255.0",1));
+ routerNextHopIps.add(new RouteEntry("7.7.7.0","255.255.255.0",2));*/
+ //}
+ if (getId() == 0x3) {
+ routerNextHopIps
+ .add(new RouteEntry("192.168.0.2", "255.255.255.255", 2, 102));
+ routerNextHopIps
+ .add(new RouteEntry("192.168.0.1", "255.255.255.255", 2, 101));
+ routerNextHopIps.add(new RouteEntry("10.0.1.0", "255.255.255.0", 2, 101));
+ routerNextHopIps.add(new RouteEntry("10.0.2.0", "255.255.255.0", 2, 101));
+ routerNextHopIps.add(new RouteEntry("10.0.3.0", "255.255.255.0", 2, 101));
+ }
+ return routerNextHopIps;
+ }
+
+ // known host mac-addr, setDA/send out of l3group
+ private List<RouteEntry> getHostNextHopIps() {
+ List<RouteEntry> hostNextHopIps = new ArrayList<RouteEntry>();
+ if (getId() == 0x1) {
+ hostNextHopIps.add(new RouteEntry("10.0.2.1", 4, "00:00:00:00:02:01"));
+ hostNextHopIps.add(new RouteEntry("10.0.3.1", 5, "00:00:00:00:03:01"));
+ }
+ // TODO needed?
+ //if (getId() == 0x2) {
+ //}
+ if (getId() == 0x3) {
+ hostNextHopIps.add(new RouteEntry("7.7.7.7", 1, "00:00:07:07:07:07"));
+ }
+ return hostNextHopIps;
+ }
+
+ private void populateIpTable() throws IOException {
+ populateMyIps();
+ populateMySubnets();
+ populateRoutes();
+ populateHostRoutes();
+
+ // match for everything else to send to ACL table. Essentially
+ // the table miss flow entry
+ populateTableMissEntry(TABLE_IPV4_UNICAST, false, true,
+ true, TABLE_ACL);
+ }
+
+ private void populateMyIps() throws IOException {
+ List<OFMessage> msglist = new ArrayList<OFMessage>();
+ // first all my ip's as exact-matches
+ // write-action instruction to send to controller
+ List<String> myIps = getMyIps();
+ for (int i = 0; i < myIps.size(); i++) {
+ OFOxmEthType ethTypeIp = factory.oxms()
+ .ethType(EthType.IPv4);
+ OFOxmIpv4DstMasked ipPrefix = factory.oxms()
+ .ipv4DstMasked(IPv4Address.of(myIps.get(i)), IPv4Address.NO_MASK);
+ OFOxmList oxmListSlash32 = OFOxmList.of(ethTypeIp, ipPrefix);
+ OFMatchV3 match = factory.buildMatchV3()
+ .setOxmList(oxmListSlash32).build();
+ OFAction outc = factory.actions().buildOutput()
+ .setPort(OFPort.CONTROLLER).setMaxLen(OFPCML_NO_BUFFER)
+ .build();
+ OFInstruction writeInstr = factory.instructions().buildWriteActions()
+ .setActions(Collections.singletonList(outc)).build();
+ OFInstruction gotoInstr = factory.instructions().buildGotoTable()
+ .setTableId(TableId.of(TABLE_ACL)).build();
+ List<OFInstruction> instructions = new ArrayList<OFInstruction>();
+ instructions.add(writeInstr);
+ instructions.add(gotoInstr);
+ OFMessage myIpEntry = factory.buildFlowAdd()
+ .setTableId(TableId.of(TABLE_IPV4_UNICAST))
+ .setMatch(match)
+ .setInstructions(instructions)
+ .setPriority(MAX_PRIORITY) // highest priority for exact
+ // match
+ .setBufferId(OFBufferId.NO_BUFFER)
+ .setIdleTimeout(0)
+ .setHardTimeout(0)
+ .setXid(getNextTransactionId())
+ .build();
+ msglist.add(myIpEntry);
+ }
+ write(msglist);
+ log.debug("Adding {} my-ip-rules in sw {}", msglist.size(), getStringId());
+ }
+
+ private void populateMySubnets() throws IOException {
+ List<OFMessage> msglist = new ArrayList<OFMessage>();
+ // next prefix-based subnet-IP's configured on my interfaces
+ // need to ARP for exact-IP, so write-action instruction to send to
+ // controller
+ // this has different mask and priority than earlier case
+ List<String> subnetIps = getMySubnetIps();
+ for (int i = 0; i < subnetIps.size(); i++) {
+ OFOxmEthType ethTypeIp = factory.oxms()
+ .ethType(EthType.IPv4);
+ OFOxmIpv4DstMasked ipPrefix = factory.oxms().ipv4DstMasked(
+ IPv4Address.of(subnetIps.get(i)),
+ IPv4Address.of(0xffffff00)); // '/24' mask
+ OFOxmList oxmListSlash24 = OFOxmList.of(ethTypeIp, ipPrefix);
+ OFMatchV3 match = factory.buildMatchV3()
+ .setOxmList(oxmListSlash24).build();
+ OFAction outc = factory.actions().buildOutput()
+ .setPort(OFPort.CONTROLLER).setMaxLen(OFPCML_NO_BUFFER)
+ .build();
+ OFInstruction writeInstr = factory.instructions().buildWriteActions()
+ .setActions(Collections.singletonList(outc)).build();
+ OFInstruction gotoInstr = factory.instructions().buildGotoTable()
+ .setTableId(TableId.of(TABLE_ACL)).build();
+ List<OFInstruction> instructions = new ArrayList<OFInstruction>();
+ instructions.add(writeInstr);
+ instructions.add(gotoInstr);
+ OFMessage myIpEntry = factory.buildFlowAdd()
+ .setTableId(TableId.of(TABLE_IPV4_UNICAST))
+ .setMatch(match)
+ .setInstructions(instructions)
+ .setPriority(SLASH_24_PRIORITY)
+ .setBufferId(OFBufferId.NO_BUFFER)
+ .setIdleTimeout(0)
+ .setHardTimeout(0)
+ .setXid(getNextTransactionId())
+ .build();
+ msglist.add(myIpEntry);
+ }
+ write(msglist);
+ log.debug("Adding {} subnet-ip-rules in sw {}", msglist.size(), getStringId());
+ msglist.clear();
+ }
+
+ private void populateRoutes() throws IOException {
+ List<OFMessage> msglist = new ArrayList<OFMessage>();
+ // addresses where I know the next-hop's mac-address because it is a
+ // router port - so I have an L3 interface to it (and an MPLS interface)
+ List<RouteEntry> routerNextHopIps = getRouterNextHopIps();
+ for (int i = 0; i < routerNextHopIps.size(); i++) {
+ OFOxmEthType ethTypeIp = factory.oxms()
+ .ethType(EthType.IPv4);
+ OFOxmIpv4DstMasked ipPrefix = factory.oxms()
+ .ipv4DstMasked(
+ IPv4Address.of(routerNextHopIps.get(i).prefix),
+ IPv4Address.of(routerNextHopIps.get(i).mask)
+ );
+ OFOxmList oxmListSlash32 = OFOxmList.of(ethTypeIp, ipPrefix);
+ OFMatchV3 match = factory.buildMatchV3()
+ .setOxmList(oxmListSlash32).build();
+ OFAction outg = factory.actions().buildGroup()
+ .setGroup(OFGroup.of(0xa0000000 | // mpls group id
+ routerNextHopIps.get(i).nextHopPort))
+ .build();
+ // lots of actions before forwarding to mpls group, and
+ // unfortunately
+ // they need to be apply-actions
+
+ OFAction pushlabel = factory.actions().pushMpls(EthType.MPLS_UNICAST);
+ OFOxmMplsLabel l = factory.oxms()
+ .mplsLabel(U32.of(routerNextHopIps.get(i).label));
+ OFAction setlabelid = factory.actions().buildSetField()
+ .setField(l).build();
+ OFAction copyTtlOut = factory.actions().copyTtlOut();
+ // OFAction setBos =
+ // factory.actions().buildSetField().setField(bos).build();
+
+ /*
+ writeActions.add(pushlabel); // need to be apply actions so can be
+ writeActions.add(copyTtlOut); // matched in pseudo-table
+ //writeActions.add(setlabelid); // bad support in cpqd
+ //writeActions.add(setBos); no support in loxigen
+ */
+
+ List<OFAction> applyActions = new ArrayList<OFAction>();
+ applyActions.add(pushlabel);
+ applyActions.add(copyTtlOut);
+ OFInstruction applyInstr = factory.instructions().buildApplyActions()
+ .setActions(applyActions).build();
+ List<OFAction> writeActions = new ArrayList<OFAction>();
+ writeActions.add(outg); // group will decr mpls-ttl, set mac-sa/da,
+ // vlan
+ OFInstruction writeInstr = factory.instructions().buildWriteActions()
+ .setActions(writeActions).build();
+
+ // necessary to match in pseudo-table to overcome cpqd 1.3 flaw
+ OFInstruction writeMeta = factory.instructions().buildWriteMetadata()
+ .setMetadata(U64.of(routerNextHopIps.get(i).label))
+ .setMetadataMask(METADATA_MASK).build();
+ /*OFInstruction gotoInstr = factory.instructions().buildGotoTable()
+ .setTableId(TableId.of(TABLE_ACL)).build();*/
+ OFInstruction gotoInstr = factory.instructions().buildGotoTable()
+ .setTableId(TableId.of(TABLE_META)).build();
+ List<OFInstruction> instructions = new ArrayList<OFInstruction>();
+ instructions.add(applyInstr);
+ // instructions.add(writeInstr);// cannot write here - causes switch
+ // to crash
+ instructions.add(writeMeta);
+ instructions.add(gotoInstr);
+
+ int priority = -1;
+ if (routerNextHopIps.get(i).mask.equals("255.255.255.255")) {
+ priority = MAX_PRIORITY;
+ } else {
+ priority = SLASH_24_PRIORITY;
+ }
+ OFMessage myIpEntry = factory.buildFlowAdd()
+ .setTableId(TableId.of(TABLE_IPV4_UNICAST))
+ .setMatch(match)
+ .setInstructions(instructions)
+ .setPriority(priority)
+ .setBufferId(OFBufferId.NO_BUFFER)
+ .setIdleTimeout(0)
+ .setHardTimeout(0)
+ .setXid(getNextTransactionId())
+ .build();
+ msglist.add(myIpEntry);
+
+ // need to also handle psuedo-table entries to match-metadata and
+ // set mpls
+ // label-id
+ OFOxmEthType ethTypeMpls = factory.oxms()
+ .ethType(EthType.MPLS_UNICAST);
+ OFOxmMetadataMasked meta = factory.oxms()
+ .metadataMasked(
+ OFMetadata.ofRaw(routerNextHopIps.get(i).label),
+ OFMetadata.NO_MASK);
+ OFOxmList oxmListMeta = OFOxmList.of(ethTypeMpls, meta);
+ OFMatchV3 matchMeta = factory.buildMatchV3()
+ .setOxmList(oxmListMeta).build();
+ List<OFAction> writeActions2 = new ArrayList<OFAction>();
+ writeActions2.add(setlabelid);
+ OFAction outg2 = factory.actions().buildGroup()
+ .setGroup(OFGroup.of(routerNextHopIps.get(i).nextHopPort |
+ (192 << VLAN_ID_OFFSET)))
+ .build();
+ writeActions2.add(outg2);
+ OFInstruction writeInstr2 = factory.instructions().buildWriteActions()
+ .setActions(writeActions2).build();
+ OFInstruction gotoInstr2 = factory.instructions().buildGotoTable()
+ .setTableId(TableId.of(TABLE_ACL)).build();
+ List<OFInstruction> instructions2 = new ArrayList<OFInstruction>();
+ // unfortunately have to apply this action too
+ OFInstruction applyInstr2 = factory.instructions().buildApplyActions()
+ .setActions(writeActions2).build();
+ instructions2.add(applyInstr2);
+ // instructions2.add(writeInstr2);
+ // instructions2.add(gotoInstr2);
+
+ /*OFMatchV3 match3 = factory.buildMatchV3()
+ .setOxmList(OFOxmList.of(meta)).build();
+ OFInstruction clearInstruction = factory.instructions().clearActions();
+ List<OFInstruction> instructions3 = new ArrayList<OFInstruction>();
+ OFAction outc = factory.actions().buildOutput()
+ .setPort(OFPort.CONTROLLER).setMaxLen(OFPCML_NO_BUFFER)
+ .build();
+ OFInstruction writec = factory.instructions()
+ .writeActions(Collections.singletonList(outc));
+ instructions3.add(clearInstruction);
+ instructions3.add(writec);
+ instructions3.add(gotoInstr2); */
+ OFMessage myMetaEntry = factory.buildFlowAdd()
+ .setTableId(TableId.of(TABLE_META))
+ .setMatch(matchMeta)
+ .setInstructions(instructions2)
+ .setPriority(MAX_PRIORITY)
+ .setBufferId(OFBufferId.NO_BUFFER)
+ .setIdleTimeout(0)
+ .setHardTimeout(0)
+ .setXid(getNextTransactionId())
+ .build();
+ msglist.add(myMetaEntry);
+
+ }
+ write(msglist);
+ log.debug("Adding {} next-hop-router-rules in sw {}", msglist.size(),
+ getStringId());
+
+ // add a table-miss entry to table 4 for debugging - leave it out
+ // unclear packet state - causes switch to crash
+ // populateTableMissEntry(TABLE_META, false, true,
+ // true, TABLE_ACL);
+ }
+
+ private void populateHostRoutes() throws IOException {
+ List<OFMessage> msglist = new ArrayList<OFMessage>();
+ // addresses where I know the next hop's mac-address and I can set the
+ // destination mac in the match-instruction.write-action
+ // either I sent out arp-request or I got an arp-request from this host
+ List<RouteEntry> hostNextHopIps = getHostNextHopIps();
+ for (int i = 0; i < hostNextHopIps.size(); i++) {
+ OFOxmEthType ethTypeIp = factory.oxms()
+ .ethType(EthType.IPv4);
+ OFOxmIpv4DstMasked ipPrefix = factory.oxms()
+ .ipv4DstMasked(
+ IPv4Address.of(hostNextHopIps.get(i).prefix),
+ IPv4Address.NO_MASK); // host addr should be /32
+ OFOxmList oxmListSlash32 = OFOxmList.of(ethTypeIp, ipPrefix);
+ OFMatchV3 match = factory.buildMatchV3()
+ .setOxmList(oxmListSlash32).build();
+ OFAction setDmac = null, outg = null;
+ OFOxmEthDst dmac = factory.oxms()
+ .ethDst(MacAddress.of(hostNextHopIps.get(i).dstMac));
+ setDmac = factory.actions().buildSetField()
+ .setField(dmac).build();
+ outg = factory.actions().buildGroup()
+ .setGroup(OFGroup.of(0x20000000 | hostNextHopIps.get(i).nextHopPort)) // l3group
+ // id
+ .build();
+ List<OFAction> writeActions = new ArrayList<OFAction>();
+ writeActions.add(setDmac);
+ writeActions.add(outg);
+ OFInstruction writeInstr = factory.instructions().buildWriteActions()
+ .setActions(writeActions).build();
+ OFInstruction gotoInstr = factory.instructions().buildGotoTable()
+ .setTableId(TableId.of(TABLE_ACL)).build();
+ List<OFInstruction> instructions = new ArrayList<OFInstruction>();
+ instructions.add(writeInstr);
+ instructions.add(gotoInstr);
+ OFMessage myIpEntry = factory.buildFlowAdd()
+ .setTableId(TableId.of(TABLE_IPV4_UNICAST))
+ .setMatch(match)
+ .setInstructions(instructions)
+ .setPriority(MAX_PRIORITY) // highest priority for exact
+ // match
+ .setBufferId(OFBufferId.NO_BUFFER)
+ .setIdleTimeout(0)
+ .setHardTimeout(0)
+ .setXid(getNextTransactionId())
+ .build();
+ msglist.add(myIpEntry);
+ }
+ write(msglist);
+ log.debug("Adding {} next-hop-host-rules in sw {}", msglist.size(), getStringId());
+ }
+
+ private static class MplsEntry {
+ int labelid;
+ int portnum;
+
+ public MplsEntry(int labelid, int portnum) {
+ this.labelid = labelid;
+ this.portnum = portnum;
+ }
+ }
+
+ private List<MplsEntry> getMplsEntries() {
+ List<MplsEntry> myLabels = new ArrayList<MplsEntry>();
+ if (getId() == 0x1) {
+ myLabels.add(new MplsEntry(101, OFPort.CONTROLLER.getPortNumber()));
+ myLabels.add(new MplsEntry(103, 6));
+ }
+ if (getId() == 0x2) {
+ myLabels.add(new MplsEntry(103, 2));
+ myLabels.add(new MplsEntry(102, OFPort.CONTROLLER.getPortNumber()));
+ myLabels.add(new MplsEntry(101, 1));
+ }
+ if (getId() == 0x3) {
+ myLabels.add(new MplsEntry(103, OFPort.CONTROLLER.getPortNumber()));
+ myLabels.add(new MplsEntry(101, 2));
+ }
+ return myLabels;
+ }
+
+ private void populateMplsTable() throws IOException {
+ List<OFMessage> msglist = new ArrayList<OFMessage>();
+ List<MplsEntry> lfibEntries = getMplsEntries();
+ for (int i = 0; i < lfibEntries.size(); i++) {
+ OFOxmEthType ethTypeMpls = factory.oxms()
+ .ethType(EthType.MPLS_UNICAST);
+ OFOxmMplsLabel labelid = factory.oxms()
+ .mplsLabel(U32.of(lfibEntries.get(i).labelid));
+ OFOxmList oxmList = OFOxmList.of(ethTypeMpls, labelid);
+ OFMatchV3 matchlabel = factory.buildMatchV3()
+ .setOxmList(oxmList).build();
+ OFAction poplabel = factory.actions().popMpls(EthType.IPv4);
+ OFAction sendTo = null;
+ if (lfibEntries.get(i).portnum == OFPort.CONTROLLER.getPortNumber()) {
+ sendTo = factory.actions().output(OFPort.CONTROLLER,
+ OFPCML_NO_BUFFER);
+ } else {
+ sendTo = factory.actions().group(OFGroup.of(
+ 0xa0000000 | lfibEntries.get(i).portnum));
+ }
+ List<OFAction> writeActions = new ArrayList<OFAction>();
+ writeActions.add(poplabel);
+ writeActions.add(sendTo);
+ OFInstruction writeInstr = factory.instructions().buildWriteActions()
+ .setActions(writeActions).build();
+ OFInstruction gotoInstr = factory.instructions().buildGotoTable()
+ .setTableId(TableId.of(TABLE_ACL)).build();
+ List<OFInstruction> instructions = new ArrayList<OFInstruction>();
+ instructions.add(writeInstr);
+ instructions.add(gotoInstr);
+ OFMessage myMplsEntry = factory.buildFlowAdd()
+ .setTableId(TableId.of(TABLE_MPLS))
+ .setMatch(matchlabel)
+ .setInstructions(instructions)
+ .setPriority(MAX_PRIORITY) // exact match and exclusive
+ .setBufferId(OFBufferId.NO_BUFFER)
+ .setIdleTimeout(0)
+ .setHardTimeout(0)
+ .setXid(getNextTransactionId())
+ .build();
+ msglist.add(myMplsEntry);
+ }
+ write(msglist);
+ log.debug("Adding {} mpls-forwarding-rules in sw {}", msglist.size(),
+ getStringId());
+
+ // match for everything else to send to ACL table. Essentially
+ // the table miss flow entry
+ populateTableMissEntry(TABLE_MPLS, false, true,
+ true, TABLE_ACL);
+
+ }
+
+ /**
+ * By default if none of the booleans in the call are set, then the
+ * table-miss entry is added with no instructions, which means that pipeline
+ * execution will stop, and the action set associated with the packet will
+ * be executed.
+ *
+ * @param tableToAdd
+ * @param toControllerNow as an APPLY_ACTION instruction
+ * @param toControllerWrite as a WRITE_ACITION instruction
+ * @param toTable as a GOTO_TABLE instruction
+ * @param tableToSend
+ * @throws IOException
+ */
+ @SuppressWarnings("unchecked")
+ private void populateTableMissEntry(int tableToAdd, boolean toControllerNow,
+ boolean toControllerWrite,
+ boolean toTable, int tableToSend) {
+ OFOxmList oxmList = OFOxmList.EMPTY;
+ OFMatchV3 match = factory.buildMatchV3()
+ .setOxmList(oxmList)
+ .build();
+ OFAction outc = factory.actions()
+ .buildOutput()
+ .setPort(OFPort.CONTROLLER)
+ .setMaxLen(OFPCML_NO_BUFFER)
+ .build();
+ List<OFInstruction> instructions = new ArrayList<OFInstruction>();
+ if (toControllerNow) {
+ // table-miss instruction to send to controller immediately
+ OFInstruction instr = factory.instructions()
+ .buildApplyActions()
+ .setActions(Collections.singletonList(outc))
+ .build();
+ instructions.add(instr);
+ }
+
+ if (toControllerWrite) {
+ // table-miss instruction to write-action to send to controller
+ // this will be executed whenever the action-set gets executed
+ OFInstruction instr = factory.instructions()
+ .buildWriteActions()
+ .setActions(Collections.singletonList(outc))
+ .build();
+ instructions.add(instr);
+ }
+
+ if (toTable) {
+ // table-miss instruction to goto-table x
+ OFInstruction instr = factory.instructions()
+ .gotoTable(TableId.of(tableToSend));
+ instructions.add(instr);
+ }
+
+ if (!toControllerNow && !toControllerWrite && !toTable) {
+ // table-miss has no instruction - at which point action-set will be
+ // executed - if there is an action to output/group in the action
+ // set
+ // the packet will be sent there, otherwise it will be dropped.
+ instructions = (List<OFInstruction>) Collections.EMPTY_LIST;
+ }
+
+ OFMessage tableMissEntry = factory.buildFlowAdd()
+ .setTableId(TableId.of(tableToAdd))
+ .setMatch(match) // match everything
+ .setInstructions(instructions)
+ .setPriority(MIN_PRIORITY)
+ .setBufferId(OFBufferId.NO_BUFFER)
+ .setIdleTimeout(0)
+ .setHardTimeout(0)
+ .setXid(getNextTransactionId())
+ .build();
+ sendMsg(tableMissEntry);
+ }
+
+ private void sendBarrier(boolean finalBarrier) {
+ int xid = getNextTransactionId();
+ if (finalBarrier) {
+ barrierXidToWaitFor = xid;
+ }
+ OFBarrierRequest br = factory
+ .buildBarrierRequest()
+ .setXid(xid)
+ .build();
+ sendMsg(br);
+ }
+
+ @Override
+ public void sendMsg(OFMessage m) {
+ channel.write(m);
+ }
+
+ @Override
+ public void write(List<OFMessage> msgs) {
+ for (OFMessage m : msgs) {
+ channel.write(m);
+ }
+ }
+
+ @Override
+ public Boolean supportNxRole() {
+ return false;
+ }
+
+}
diff --git a/of/ctl/src/main/java/org/onlab/onos/of/drivers/OFSwitchImplOVS10.java b/of/ctl/src/main/java/org/onlab/onos/of/drivers/OFSwitchImplOVS10.java
new file mode 100644
index 0000000..45228dc
--- /dev/null
+++ b/of/ctl/src/main/java/org/onlab/onos/of/drivers/OFSwitchImplOVS10.java
@@ -0,0 +1,51 @@
+package org.onlab.onos.of.drivers;
+
+import org.onlab.onos.of.controller.Dpid;
+import org.onlab.onos.of.controller.impl.internal.AbstractOpenFlowSwitch;
+import org.projectfloodlight.openflow.protocol.OFDescStatsReply;
+import org.projectfloodlight.openflow.protocol.OFMessage;
+
+/**
+ * OFDescriptionStatistics Vendor (Manufacturer Desc.): Nicira, Inc. Make
+ * (Hardware Desc.) : Open vSwitch Model (Datapath Desc.) : None Software :
+ * 1.11.90 (or whatever version + build) Serial : None
+ */
+public class OFSwitchImplOVS10 extends AbstractOpenFlowSwitch {
+
+ public OFSwitchImplOVS10(Dpid dpid, OFDescStatsReply desc) {
+ super(dpid);
+ setSwitchDescription(desc);
+
+ }
+
+ /* (non-Javadoc)
+ * @see java.lang.Object#toString()
+ */
+ @Override
+ public String toString() {
+ return "OFSwitchImplOVS10 [" + ((channel != null)
+ ? channel.getRemoteAddress() : "?")
+ + " DPID[" + ((getStringId() != null) ? getStringId() : "?") + "]]";
+ }
+
+ @Override
+ public void sendMsg(OFMessage m) {
+ channel.write(m);
+ }
+
+ @Override
+ public Boolean supportNxRole() {
+ return true;
+ }
+
+ @Override
+ public void startDriverHandshake() {}
+
+ @Override
+ public boolean isDriverHandshakeComplete() {
+ return true;
+ }
+
+ @Override
+ public void processDriverHandshakeMessage(OFMessage m) {}
+}
diff --git a/of/ctl/src/main/java/org/onlab/onos/of/drivers/OFSwitchImplOVS13.java b/of/ctl/src/main/java/org/onlab/onos/of/drivers/OFSwitchImplOVS13.java
new file mode 100644
index 0000000..1ab1f047
--- /dev/null
+++ b/of/ctl/src/main/java/org/onlab/onos/of/drivers/OFSwitchImplOVS13.java
@@ -0,0 +1,140 @@
+package org.onlab.onos.of.drivers;
+
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.onlab.onos.of.controller.Dpid;
+import org.onlab.onos.of.controller.impl.internal.AbstractOpenFlowSwitch;
+import org.onlab.onos.of.controller.impl.internal.SwitchDriverSubHandshakeAlreadyStarted;
+import org.onlab.onos.of.controller.impl.internal.SwitchDriverSubHandshakeCompleted;
+import org.onlab.onos.of.controller.impl.internal.SwitchDriverSubHandshakeNotStarted;
+import org.projectfloodlight.openflow.protocol.OFBarrierRequest;
+import org.projectfloodlight.openflow.protocol.OFDescStatsReply;
+import org.projectfloodlight.openflow.protocol.OFErrorMsg;
+import org.projectfloodlight.openflow.protocol.OFFactory;
+import org.projectfloodlight.openflow.protocol.OFMessage;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * OFDescriptionStatistics Vendor (Manufacturer Desc.): Nicira, Inc. Make
+ * (Hardware Desc.) : Open vSwitch Model (Datapath Desc.) : None Software :
+ * 2.1.0 (or whatever version + build) Serial : None
+ */
+public class OFSwitchImplOVS13 extends AbstractOpenFlowSwitch {
+
+ private static Logger log =
+ LoggerFactory.getLogger(OFSwitchImplOVS13.class);
+
+ private AtomicBoolean driverHandshakeComplete;
+ private OFFactory factory;
+ private long barrierXidToWaitFor = -1;
+
+ public OFSwitchImplOVS13(Dpid dpid, OFDescStatsReply desc) {
+ super(dpid);
+ driverHandshakeComplete = new AtomicBoolean(false);
+ setSwitchDescription(desc);
+ }
+
+ @Override
+ public String toString() {
+ return "OFSwitchImplOVS13 [" + ((channel != null)
+ ? channel.getRemoteAddress() : "?")
+ + " DPID[" + ((getStringId() != null) ? getStringId() : "?") + "]]";
+ }
+
+ @Override
+ public void startDriverHandshake() {
+ log.debug("Starting driver handshake for sw {}", getStringId());
+ if (startDriverHandshakeCalled) {
+ throw new SwitchDriverSubHandshakeAlreadyStarted();
+ }
+ startDriverHandshakeCalled = true;
+ factory = factory();
+ configureSwitch();
+ }
+
+ @Override
+ public boolean isDriverHandshakeComplete() {
+ if (!startDriverHandshakeCalled) {
+ throw new SwitchDriverSubHandshakeNotStarted();
+ }
+ return driverHandshakeComplete.get();
+ }
+
+ @Override
+ public void processDriverHandshakeMessage(OFMessage m) {
+ if (!startDriverHandshakeCalled) {
+ throw new SwitchDriverSubHandshakeNotStarted();
+ }
+ if (driverHandshakeComplete.get()) {
+ throw new SwitchDriverSubHandshakeCompleted(m);
+ }
+
+ switch (m.getType()) {
+ case BARRIER_REPLY:
+ if (m.getXid() == barrierXidToWaitFor) {
+ driverHandshakeComplete.set(true);
+ }
+ break;
+
+ case ERROR:
+ log.error("Switch {} Error {}", getStringId(), (OFErrorMsg) m);
+ break;
+
+ case FEATURES_REPLY:
+ break;
+ case FLOW_REMOVED:
+ break;
+ case GET_ASYNC_REPLY:
+ // OFAsyncGetReply asrep = (OFAsyncGetReply)m;
+ // decodeAsyncGetReply(asrep);
+ break;
+
+ case PACKET_IN:
+ break;
+ case PORT_STATUS:
+ break;
+ case QUEUE_GET_CONFIG_REPLY:
+ break;
+ case ROLE_REPLY:
+ break;
+
+ case STATS_REPLY:
+ // processStatsReply((OFStatsReply) m);
+ break;
+
+ default:
+ log.debug("Received message {} during switch-driver subhandshake "
+ + "from switch {} ... Ignoring message", m, getStringId());
+
+ }
+ }
+
+
+ private void configureSwitch() {
+ sendBarrier(true);
+ }
+
+
+ private void sendBarrier(boolean finalBarrier) {
+ int xid = getNextTransactionId();
+ if (finalBarrier) {
+ barrierXidToWaitFor = xid;
+ }
+ OFBarrierRequest br = factory
+ .buildBarrierRequest()
+ .setXid(xid)
+ .build();
+ sendMsg(br);
+ }
+
+ @Override
+ public void sendMsg(OFMessage m) {
+ channel.write(m);
+ }
+
+ @Override
+ public Boolean supportNxRole() {
+ return false;
+ }
+}