(ONOS-684) Added a few new OF actions, which are required for Segment Routing Application
- MPLS POP (Ethernet type)
- Dec MPLS TTL
- Dec NW TTL
- Copy TTL In
- Copy TTL Out
Change-Id: I639a1bfff9ba3ae8c372c0a4b36f132cb2610b7b
diff --git a/core/api/src/main/java/org/onosproject/net/flow/instructions/Instructions.java b/core/api/src/main/java/org/onosproject/net/flow/instructions/Instructions.java
index 4dd2c48..6f1281f 100644
--- a/core/api/src/main/java/org/onosproject/net/flow/instructions/Instructions.java
+++ b/core/api/src/main/java/org/onosproject/net/flow/instructions/Instructions.java
@@ -28,6 +28,7 @@
import org.onosproject.net.flow.instructions.L2ModificationInstruction.ModEtherInstruction;
import org.onosproject.net.flow.instructions.L3ModificationInstruction.L3SubType;
import org.onosproject.net.flow.instructions.L3ModificationInstruction.ModIPInstruction;
+import org.onosproject.net.flow.instructions.L3ModificationInstruction.ModTtlInstruction;
import org.onlab.packet.Ethernet;
import org.onlab.packet.IpAddress;
@@ -122,6 +123,15 @@
checkNotNull(mplsLabel, "MPLS label cannot be null");
return new ModMplsLabelInstruction(mplsLabel);
}
+
+ /**
+ * Creates a MPLS TTL modification.
+ *
+ * @return a L2 Modification
+ */
+ public static L2ModificationInstruction decMplsTtl() {
+ return new ModMplsTtlInstruction();
+ }
/**
* Creates a L3 src modification.
* @param addr the ip address to modify to.
@@ -143,6 +153,30 @@
}
/**
+ * Creates a L3 TTL modification.
+ * @return a L3 modification
+ */
+ public static L3ModificationInstruction decNwTtl() {
+ return new ModTtlInstruction(L3SubType.DEC_TTL);
+ }
+
+ /**
+ * Creates a L3 TTL modification.
+ * @return a L3 modification
+ */
+ public static L3ModificationInstruction copyTtlOut() {
+ return new ModTtlInstruction(L3SubType.TTL_OUT);
+ }
+
+ /**
+ * Creates a L3 TTL modification.
+ * @return a L3 modification
+ */
+ public static L3ModificationInstruction copyTtlIn() {
+ return new ModTtlInstruction(L3SubType.TTL_IN);
+ }
+
+ /**
* Creates a mpls header instruction.
* @return a L2 modification.
*/
@@ -160,6 +194,18 @@
new Ethernet().setEtherType(Ethernet.MPLS_UNICAST));
}
+ /**
+ * Creates a mpls header instruction.
+ *
+ * @param etherType Ethernet type to set
+ * @return a L2 modification.
+ */
+ public static Instruction popMpls(Short etherType) {
+ checkNotNull(etherType, "Ethernet type cannot be null");
+ return new PushHeaderInstructions(L2SubType.MPLS_POP,
+ new Ethernet().setEtherType(etherType));
+ }
+
/*
* Output instructions
*/
diff --git a/core/api/src/main/java/org/onosproject/net/flow/instructions/L2ModificationInstruction.java b/core/api/src/main/java/org/onosproject/net/flow/instructions/L2ModificationInstruction.java
index 6baeceb..b005bfc 100644
--- a/core/api/src/main/java/org/onosproject/net/flow/instructions/L2ModificationInstruction.java
+++ b/core/api/src/main/java/org/onosproject/net/flow/instructions/L2ModificationInstruction.java
@@ -65,7 +65,13 @@
/**
* MPLS Pop modification.
*/
- MPLS_POP
+ MPLS_POP,
+
+ /**
+ * MPLS TTL modification.
+ */
+ DEC_MPLS_TTL
+
}
// TODO: Create factory class 'Instructions' that will have various factory
@@ -322,4 +328,41 @@
return false;
}
}
+
+ /**
+ * Represents a MPLS label modification.
+ */
+ public static final class ModMplsTtlInstruction extends
+ L2ModificationInstruction {
+
+ public ModMplsTtlInstruction() {
+ }
+
+ @Override
+ public L2SubType subtype() {
+ return L2SubType.DEC_MPLS_TTL;
+ }
+
+ @Override
+ public String toString() {
+ return type().toString();
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(type(), L2SubType.DEC_MPLS_TTL);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof ModMplsLabelInstruction) {
+ ModMplsTtlInstruction that = (ModMplsTtlInstruction) obj;
+ return Objects.equals(this.type(), that.type());
+ }
+ return false;
+ }
+ }
}
diff --git a/core/api/src/main/java/org/onosproject/net/flow/instructions/L3ModificationInstruction.java b/core/api/src/main/java/org/onosproject/net/flow/instructions/L3ModificationInstruction.java
index fb80557..139cc18 100644
--- a/core/api/src/main/java/org/onosproject/net/flow/instructions/L3ModificationInstruction.java
+++ b/core/api/src/main/java/org/onosproject/net/flow/instructions/L3ModificationInstruction.java
@@ -38,7 +38,22 @@
/**
* Ether dst modification.
*/
- IP_DST
+ IP_DST,
+
+ /**
+ * Decrease TTL.
+ */
+ DEC_TTL,
+
+ /**
+ * Copy TTL out.
+ */
+ TTL_OUT,
+
+ /**
+ * Copy TTL in.
+ */
+ TTL_IN
//TODO: remaining types
}
@@ -102,6 +117,43 @@
}
return false;
}
+ }
+ public static final class ModTtlInstruction extends L3ModificationInstruction {
+
+ private final L3SubType subtype;
+
+ public ModTtlInstruction(L3SubType subtype) {
+ this.subtype = subtype;
+ }
+
+ @Override
+ public L3SubType subtype() {
+ return this.subtype;
+ }
+
+ @Override
+ public String toString() {
+ return subtype().toString();
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(type(), subtype());
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof ModIPInstruction) {
+ ModIPInstruction that = (ModIPInstruction) obj;
+ return Objects.equals(this.type(), that.type()) &&
+ Objects.equals(this.subtype(), that.subtype());
+
+ }
+ return false;
+ }
}
}