Examples with PiAction org.onosproject.net.pi.runtime.PiAction used on opensource projects

Example 26 with PiAction

use of org.onosproject.net.pi.runtime.PiAction in project onos by opennetworkinglab.

the class MyTunnelApp method insertTunnelForwardRule.

/**
 * Generates and insert a flow rule to perform the tunnel FORWARD/EGRESS
 * function for the given switch, output port address and tunnel ID.
 *
 * @param switchId switch ID
 * @param outPort  output port where to forward tunneled packets
 * @param tunId    tunnel ID
 * @param isEgress if true, perform tunnel egress action, otherwise forward
 *                 packet as is to port
 */
private void insertTunnelForwardRule(DeviceId switchId, PortNumber outPort, int tunId, boolean isEgress) {
    PiTableId tunnelForwardTableId = PiTableId.of("c_ingress.t_tunnel_fwd");
    // Exact match on tun_id
    PiMatchFieldId tunIdMatchFieldId = PiMatchFieldId.of("hdr.my_tunnel.tun_id");
    PiCriterion match = PiCriterion.builder().matchExact(tunIdMatchFieldId, tunId).build();
    // Action depend on isEgress parameter.
    // if true, perform tunnel egress action on the given outPort, otherwise
    // simply forward packet as is (set_out_port action).
    PiActionParamId portParamId = PiActionParamId.of("port");
    PiActionParam portParam = new PiActionParam(portParamId, (short) outPort.toLong());
    final PiAction action;
    if (isEgress) {
        // Tunnel egress action.
        // Remove MyTunnel header and forward to outPort.
        PiActionId egressActionId = PiActionId.of("c_ingress.my_tunnel_egress");
        action = PiAction.builder().withId(egressActionId).withParameter(portParam).build();
    } else {
        // Tunnel transit action.
        // Forward the packet as is to outPort.
        /*
             * TODO EXERCISE: create action object for the transit case.
             * Look at the t_tunnel_fwd table in the P4 program. Which of the 3
             * actions can be used to simply set the output port? Get the full
             * action name from the P4Info file, and use that when creating the
             * PiActionId object. When creating the PiAction object, remember to
             * add all action parameters as defined in the P4 program.
             *
             * Hint: the code will be similar to the case when isEgress is true.
             */
        // Replace null with your solution.
        action = null;
    }
    log.info("Inserting {} rule on switch {}: table={}, match={}, action={}", isEgress ? "EGRESS" : "TRANSIT", switchId, tunnelForwardTableId, match, action);
    insertPiFlowRule(switchId, tunnelForwardTableId, match, action);
}

Example 27 with PiAction

use of org.onosproject.net.pi.runtime.PiAction in project onos by opennetworkinglab.

the class EncodeInstructionCodecHelper method encodePi.

/**
 * Encode a protocol-independent instruction.
 *
 * @param result json node that the instruction attributes are added to
 */
private void encodePi(ObjectNode result) {
    PiInstruction piInstruction = (PiInstruction) instruction;
    result.put(InstructionCodec.SUBTYPE, piInstruction.action().type().name());
    switch(piInstruction.action().type()) {
        case ACTION:
            final PiAction piAction = (PiAction) piInstruction.action();
            result.put(InstructionCodec.PI_ACTION_ID, piAction.id().id());
            final ObjectNode jsonActionParams = context.mapper().createObjectNode();
            for (PiActionParam actionParam : piAction.parameters()) {
                jsonActionParams.put(actionParam.id().id(), HexString.toHexString(actionParam.value().asArray(), null));
            }
            result.set(InstructionCodec.PI_ACTION_PARAMS, jsonActionParams);
            break;
        case ACTION_PROFILE_GROUP_ID:
            final PiActionProfileGroupId groupId = (PiActionProfileGroupId) piInstruction.action();
            result.put(InstructionCodec.PI_ACTION_PROFILE_GROUP_ID, groupId.id());
            break;
        case ACTION_PROFILE_MEMBER_ID:
            final PiActionProfileMemberId memberId = (PiActionProfileMemberId) piInstruction.action();
            result.put(InstructionCodec.PI_ACTION_PROFILE_MEMBER_ID, memberId.id());
            break;
        // TODO: implement JSON encoder for ACTION_SET
        default:
            throw new IllegalArgumentException("Cannot convert protocol-independent subtype of" + piInstruction.action().type().name());
    }
}

Example 28 with PiAction

use of org.onosproject.net.pi.runtime.PiAction in project onos by opennetworkinglab.

the class InstructionJsonMatcher method matchPiInstruction.

/**
 * Matches the contents of a protocol-independent instruction.
 *
 * @param instructionJson JSON instruction to match
 * @param description Description object used for recording errors
 * @return true if contents match, false otherwise
 */
private boolean matchPiInstruction(JsonNode instructionJson, Description description) {
    PiInstruction instructionToMatch = (PiInstruction) instruction;
    final String jsonSubtype = instructionJson.get("subtype").textValue();
    if (!instructionToMatch.action().type().name().equals(jsonSubtype)) {
        description.appendText("subtype was " + jsonSubtype);
        return false;
    }
    final String jsonType = instructionJson.get("type").textValue();
    if (!instructionToMatch.type().name().equals(jsonType)) {
        description.appendText("type was " + jsonType);
        return false;
    }
    switch(instructionToMatch.action().type()) {
        case ACTION:
            if (!Objects.equals(instructionJson.get("actionId").textValue(), ((PiAction) instructionToMatch.action()).id().id())) {
                description.appendText("action was " + ((PiAction) instructionToMatch.action()).id().id());
                return false;
            }
            Collection<PiActionParam> piActionParams = ((PiAction) instructionToMatch.action()).parameters();
            JsonNode jsonParams = instructionJson.get("actionParams");
            for (PiActionParam actionParam : piActionParams) {
                if (!Objects.equals(copyFrom(HexString.fromHexString(jsonParams.get(actionParam.id().id()).textValue(), null)), actionParam.value())) {
                    description.appendText("action param value was " + actionParam.value());
                    return false;
                }
            }
            break;
        case ACTION_PROFILE_GROUP_ID:
            if (!Objects.equals(instructionJson.get("groupId").asInt(), ((PiActionProfileGroupId) instructionToMatch.action()).id())) {
                description.appendText("action profile group id was " + ((PiActionProfileGroupId) instructionToMatch.action()).id());
                return false;
            }
            break;
        case ACTION_PROFILE_MEMBER_ID:
            if (!Objects.equals(instructionJson.get("memberId").asInt(), ((PiActionProfileMemberId) instructionToMatch.action()).id())) {
                description.appendText("action profile member id was " + ((PiActionProfileMemberId) instructionToMatch.action()).id());
                return false;
            }
            break;
        default:
            description.appendText("type was " + jsonType);
            return false;
    }
    return true;
}

Example 29 with PiAction

use of org.onosproject.net.pi.runtime.PiAction in project onos by opennetworkinglab.

the class InstructionCodecTest method piInstructionDecodingTest.

/**
 * Tests the decoding of protocol-independent instructions.
 */
@Test
public void piInstructionDecodingTest() throws IOException {
    Instruction actionInstruction = getInstruction("PiActionInstruction.json");
    Assert.assertThat(actionInstruction.type(), is(Instruction.Type.PROTOCOL_INDEPENDENT));
    PiTableAction action = ((PiInstruction) actionInstruction).action();
    Assert.assertThat(action.type(), is(PiTableAction.Type.ACTION));
    Assert.assertThat(((PiAction) action).id().id(), is("set_egress_port"));
    Assert.assertThat(((PiAction) action).parameters().size(), is(1));
    Collection<PiActionParam> actionParams = ((PiAction) action).parameters();
    PiActionParam actionParam = actionParams.iterator().next();
    Assert.assertThat(actionParam.id().id(), is("port"));
    Assert.assertThat(actionParam.value(), is(copyFrom((byte) 0x1)));
    Instruction actionGroupIdInstruction = getInstruction("PiActionProfileGroupIdInstruction.json");
    Assert.assertThat(actionInstruction.type(), is(Instruction.Type.PROTOCOL_INDEPENDENT));
    PiTableAction actionGroupId = ((PiInstruction) actionGroupIdInstruction).action();
    Assert.assertThat(actionGroupId.type(), is(PiTableAction.Type.ACTION_PROFILE_GROUP_ID));
    Assert.assertThat(((PiActionProfileGroupId) actionGroupId).id(), is(100));
    Instruction actionMemberIdInstruction = getInstruction("PiActionProfileMemberIdInstruction.json");
    Assert.assertThat(actionInstruction.type(), is(Instruction.Type.PROTOCOL_INDEPENDENT));
    PiTableAction actionMemberId = ((PiInstruction) actionMemberIdInstruction).action();
    Assert.assertThat(actionMemberId.type(), is(PiTableAction.Type.ACTION_PROFILE_MEMBER_ID));
    Assert.assertThat(((PiActionProfileMemberId) actionMemberId).id(), is(100));
}

Example 30 with PiAction

use of org.onosproject.net.pi.runtime.PiAction in project onos by opennetworkinglab.

the class FabricTreatmentInterpreter method mapNextHashedOrSimpleTreatment.

private static PiAction mapNextHashedOrSimpleTreatment(TrafficTreatment treatment, PiTableId tableId, boolean simple) throws PiInterpreterException {
    // Provide mapping for output_hashed and routing_hashed; multicast_hashed
    // can only be invoked with PiAction, hence no mapping. outPort required for
    // all actions. Presence of other instructions will determine which action to map to.
    final PortNumber outPort = ((OutputInstruction) instructionOrFail(treatment, OUTPUT, tableId)).port();
    final ModEtherInstruction ethDst = (ModEtherInstruction) l2Instruction(treatment, ETH_DST);
    final ModEtherInstruction ethSrc = (ModEtherInstruction) l2Instruction(treatment, ETH_SRC);
    final PiAction.Builder actionBuilder = PiAction.builder().withParameter(new PiActionParam(FabricConstants.PORT_NUM, outPort.toLong()));
    if (ethDst != null && ethSrc != null) {
        actionBuilder.withParameter(new PiActionParam(FabricConstants.SMAC, ethSrc.mac().toBytes()));
        actionBuilder.withParameter(new PiActionParam(FabricConstants.DMAC, ethDst.mac().toBytes()));
        // routing_hashed
        return actionBuilder.withId(simple ? FabricConstants.FABRIC_INGRESS_NEXT_ROUTING_SIMPLE : FabricConstants.FABRIC_INGRESS_NEXT_ROUTING_HASHED).build();
    } else {
        // output_hashed
        return actionBuilder.withId(simple ? FabricConstants.FABRIC_INGRESS_NEXT_OUTPUT_SIMPLE : FabricConstants.FABRIC_INGRESS_NEXT_OUTPUT_HASHED).build();
    }
}