Add stratum-fpm driver for fixed-pipeline Broadcom targets
Change-Id: I934428331feb35ed312a98db97c270168047af1f
diff --git a/core/api/src/main/java/org/onosproject/net/pi/model/PiPipeconf.java b/core/api/src/main/java/org/onosproject/net/pi/model/PiPipeconf.java
index c7142bf..098bef7 100644
--- a/core/api/src/main/java/org/onosproject/net/pi/model/PiPipeconf.java
+++ b/core/api/src/main/java/org/onosproject/net/pi/model/PiPipeconf.java
@@ -115,6 +115,11 @@
TOFINO_CONTEXT_JSON,
/**
+ * Stratum Fixed Pipeline Model (FPM) pipeline configuration binary.
+ */
+ STRATUM_FPM_BIN,
+
+ /**
* CPU port file in UTF 8 encoding.
*/
// TODO: consider a better way to get the CPU port in the interpreter
diff --git a/drivers/stratum/src/main/java/org/onosproject/drivers/stratum/FpmPipelineProgrammable.java b/drivers/stratum/src/main/java/org/onosproject/drivers/stratum/FpmPipelineProgrammable.java
new file mode 100644
index 0000000..2faf8cd
--- /dev/null
+++ b/drivers/stratum/src/main/java/org/onosproject/drivers/stratum/FpmPipelineProgrammable.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.drivers.stratum;
+
+import org.apache.commons.io.IOUtils;
+import org.onosproject.drivers.p4runtime.AbstractP4RuntimePipelineProgrammable;
+import org.onosproject.net.behaviour.PiPipelineProgrammable;
+import org.onosproject.net.pi.model.PiPipeconf;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.Optional;
+
+import static org.onosproject.net.pi.model.PiPipeconf.ExtensionType.STRATUM_FPM_BIN;
+
+/**
+ * Implementation of the PiPipelineProgrammable behaviour for a Stratum
+ * Fixed-Pipeline Model (FPM) target.
+ */
+public class FpmPipelineProgrammable
+ extends AbstractP4RuntimePipelineProgrammable
+ implements PiPipelineProgrammable {
+
+ @Override
+ public Optional<PiPipeconf> getDefaultPipeconf() {
+ return Optional.empty();
+ }
+
+ @Override
+ public ByteBuffer createDeviceDataBuffer(PiPipeconf pipeconf) {
+ if (pipeconf.extension(STRATUM_FPM_BIN).isEmpty()) {
+ log.warn("Missing extension {} in pipeconf {}",
+ STRATUM_FPM_BIN, pipeconf.id());
+ return null;
+ }
+ try {
+ return ByteBuffer.wrap(IOUtils.toByteArray(
+ pipeconf.extension(STRATUM_FPM_BIN).get()));
+ } catch (IOException e) {
+ log.warn("Unable to read {} from pipeconf {}",
+ STRATUM_FPM_BIN, pipeconf.id());
+ return null;
+ }
+ }
+}
diff --git a/drivers/stratum/src/main/resources/stratum-drivers.xml b/drivers/stratum/src/main/resources/stratum-drivers.xml
index 72e224b..86e18b5 100644
--- a/drivers/stratum/src/main/resources/stratum-drivers.xml
+++ b/drivers/stratum/src/main/resources/stratum-drivers.xml
@@ -30,4 +30,10 @@
<property name="tableReadFromMirror">true</property>
<property name="actionGroupReadFromMirror">true</property>
</driver>
+
+ <driver name="stratum-fpm" manufacturer="Open Networking Foundation"
+ hwVersion="FPM" swVersion="Stratum" extends="stratum">
+ <behaviour api="org.onosproject.net.behaviour.PiPipelineProgrammable"
+ impl="org.onosproject.drivers.stratum.FpmPipelineProgrammable"/>
+ </driver>
</drivers>