| /* |
| * 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.barefoot; |
| |
| import org.onosproject.bmv2.model.Bmv2PipelineModelParser; |
| import org.onosproject.driver.pipeline.DefaultSingleTablePipeline; |
| import org.onosproject.drivers.p4runtime.DefaultP4Interpreter; |
| import org.onosproject.drivers.p4runtime.DefaultP4PortStatisticsDiscovery; |
| import org.onosproject.drivers.p4runtime.NetcfgLinkDiscovery; |
| import org.onosproject.net.behaviour.LinkDiscovery; |
| import org.onosproject.net.behaviour.Pipeliner; |
| import org.onosproject.net.device.PortStatisticsDiscovery; |
| import org.onosproject.net.pi.model.DefaultPiPipeconf; |
| import org.onosproject.net.pi.model.PiPipeconf; |
| import org.onosproject.net.pi.model.PiPipeconfId; |
| import org.onosproject.net.pi.model.PiPipelineInterpreter; |
| |
| import java.net.URL; |
| |
| import static java.lang.String.format; |
| import static org.onosproject.net.pi.model.PiPipeconf.ExtensionType.*; |
| |
| /** |
| * Factory of pipeconf implementation for the default.p4 program on Tofino. |
| */ |
| final class TofinoDefaultPipeconfFactory { |
| |
| private static final String PIPECONF_ID_BASE = "tofino-default-%s-pipeconf"; |
| private static final String JSON_PATH_BASE = "/default-p4/%s/default.json"; |
| private static final String CONTEXT_JSON_PATH_BASE = "/default-p4/%s/context/context.json"; |
| private static final String TOFINO_PATH_BASE = "/default-p4/%s/tofino.bin"; |
| private static final String P4INFO_PATH_BASE = "/default-p4/%s/default.p4info"; |
| |
| private static final String MAVERICKS = "mavericks"; |
| private static final String MONTARA = "montara"; |
| |
| private static final PiPipeconf PIPECONF_MAVERICKS = build(MAVERICKS); |
| private static final PiPipeconf PIPECONF_MONTARA = build(MONTARA); |
| |
| private TofinoDefaultPipeconfFactory() { |
| // Hides constructor. |
| } |
| |
| static PiPipeconf getMavericks() { |
| return PIPECONF_MAVERICKS; |
| } |
| |
| static PiPipeconf getMontara() { |
| return PIPECONF_MONTARA; |
| } |
| |
| private static PiPipeconf build(String system) { |
| final URL jsonUrl = TofinoDefaultPipeconfFactory.class.getResource(format(JSON_PATH_BASE, system)); |
| final URL p4InfoUrl = TofinoDefaultPipeconfFactory.class.getResource(format(P4INFO_PATH_BASE, system)); |
| final URL tofinoUrl = TofinoDefaultPipeconfFactory.class.getResource(format(TOFINO_PATH_BASE, system)); |
| final URL contextUrl = TofinoDefaultPipeconfFactory.class.getResource(format(CONTEXT_JSON_PATH_BASE, system)); |
| |
| return DefaultPiPipeconf.builder() |
| .withId(new PiPipeconfId(format(PIPECONF_ID_BASE, system))) |
| .withPipelineModel(Bmv2PipelineModelParser.parse(jsonUrl)) |
| .addBehaviour(PiPipelineInterpreter.class, DefaultP4Interpreter.class) |
| .addBehaviour(Pipeliner.class, DefaultSingleTablePipeline.class) |
| .addBehaviour(PortStatisticsDiscovery.class, DefaultP4PortStatisticsDiscovery.class) |
| // FIXME: remove as soon as we get Packet I/O working |
| .addBehaviour(LinkDiscovery.class, NetcfgLinkDiscovery.class) |
| .addExtension(P4_INFO_TEXT, p4InfoUrl) |
| .addExtension(BMV2_JSON, jsonUrl) |
| .addExtension(TOFINO_BIN, tofinoUrl) |
| .addExtension(TOFINO_CONTEXT_JSON, contextUrl) |
| .build(); |
| } |
| } |