| /* |
| * 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.pipelines.fabric.pipeliner; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.Sets; |
| import org.onosproject.net.flow.criteria.Criterion; |
| import org.onosproject.net.flowobjective.ForwardingObjective; |
| |
| import java.util.Map; |
| import java.util.Set; |
| |
| import static org.onosproject.net.flow.criteria.Criterion.Type.ETH_DST; |
| import static org.onosproject.net.flow.criteria.Criterion.Type.ETH_TYPE; |
| import static org.onosproject.net.flow.criteria.Criterion.Type.IPV4_DST; |
| import static org.onosproject.net.flow.criteria.Criterion.Type.IPV6_DST; |
| import static org.onosproject.net.flow.criteria.Criterion.Type.MPLS_BOS; |
| import static org.onosproject.net.flow.criteria.Criterion.Type.MPLS_LABEL; |
| import static org.onosproject.net.flow.criteria.Criterion.Type.VLAN_VID; |
| |
| public enum ForwardingFunctionType { |
| /** |
| * L2 unicast, with vlan id + mac address criterion. |
| */ |
| L2_UNICAST, |
| |
| /** |
| * L2 broadcast, with vlan id criterion only. |
| */ |
| L2_BROADCAST, |
| |
| /** |
| * IPv4 unicast, with EtherType and IPv4 unicast destination address. |
| */ |
| IPV4_UNICAST, |
| |
| /** |
| * IPv4 multicast, with EtherType and IPv4 multicast destination address. |
| */ |
| IPV4_MULTICAST, |
| |
| /** |
| * IPv6 unicast, with EtherType and IPv6 unicast destination address. |
| */ |
| IPV6_UNICAST, |
| |
| /** |
| * IPv6 multicast, with EtherType and IPv6 multicast destination address. |
| */ |
| IPV6_MULTICAST, |
| |
| /** |
| * MPLS, with EtherType, MPLS label and MPLS BOS(true) criterion. |
| */ |
| MPLS, |
| |
| /** |
| * Pseudo-wire, with EtherType, MPLS label and MPLS BOS(false) criterion. |
| */ |
| PW, |
| |
| /** |
| * Unsupported type. |
| */ |
| UNSUPPORTED; |
| |
| // Different criteria combinations for different FFT |
| private static final Set<Criterion.Type> L2_UNI_CRITERIA_TYPE = |
| ImmutableSet.of(VLAN_VID, ETH_DST); |
| private static final Set<Criterion.Type> L2_BRC_CRITERIA_TYPE = |
| ImmutableSet.of(VLAN_VID); |
| private static final Set<Criterion.Type> IPV4_UNI_CRITERIA_TYPE = |
| ImmutableSet.of(ETH_TYPE, IPV4_DST); |
| private static final Set<Criterion.Type> IPV4_MCAST_CRITERIA_TYPE = |
| ImmutableSet.of(ETH_TYPE, VLAN_VID, IPV4_DST); |
| private static final Set<Criterion.Type> IPV6_UNI_CRITERIA_TYPE = |
| ImmutableSet.of(ETH_TYPE, IPV6_DST); |
| private static final Set<Criterion.Type> IPV6_MCAST_CRITERIA_TYPE = |
| ImmutableSet.of(ETH_TYPE, VLAN_VID, IPV6_DST); |
| private static final Set<Criterion.Type> MPLS_UNI_CRITERIA_TYPE = |
| ImmutableSet.of(ETH_TYPE, MPLS_LABEL, MPLS_BOS); |
| |
| private static final Map<Set<Criterion.Type>, ForwardingFunctionType> FFT_MAP = |
| ImmutableMap.<Set<Criterion.Type>, ForwardingFunctionType>builder() |
| .put(L2_UNI_CRITERIA_TYPE, L2_UNICAST) |
| .put(L2_BRC_CRITERIA_TYPE, L2_BROADCAST) |
| .put(IPV4_UNI_CRITERIA_TYPE, IPV4_UNICAST) |
| .put(IPV4_MCAST_CRITERIA_TYPE, IPV4_MULTICAST) |
| .put(IPV6_UNI_CRITERIA_TYPE, IPV6_UNICAST) |
| .put(IPV6_MCAST_CRITERIA_TYPE, IPV6_MULTICAST) |
| .put(MPLS_UNI_CRITERIA_TYPE, MPLS) |
| .build(); |
| |
| /** |
| * Gets forwarding function type of the forwarding objective. |
| * |
| * @param fwd the forwarding objective |
| * @return forwarding function type of the forwarding objective |
| */ |
| public static ForwardingFunctionType getForwardingFunctionType(ForwardingObjective fwd) { |
| Set<Criterion.Type> criteriaType = Sets.newHashSet(); |
| fwd.selector().criteria().stream().map(Criterion::type) |
| .forEach(criteriaType::add); |
| |
| if (fwd.meta() != null) { |
| fwd.meta().criteria().stream().map(Criterion::type) |
| .forEach(criteriaType::add); |
| } |
| |
| return FFT_MAP.getOrDefault(criteriaType, UNSUPPORTED); |
| } |
| } |