diff options
author | 2017-11-22 17:56:52 +0100 | |
---|---|---|
committer | 2017-11-23 12:17:34 +0000 | |
commit | 82d2da4853410c0e7c00f383c01760cc7f26f75e (patch) | |
tree | 2a5fdac137267d8a657eb6325a46909b8c78a731 /mpls/impl/src/main/java/io/fd | |
parent | 1715b92455356a52e01ff5c4f2a42fe5336b9088 (diff) |
HC2VPP-259: add support for mpls swap-and-forward
Limitations:
- only IPv4 next hop address
- swap is supported only for the last label in the stack
- only single outgoing label is supported.
Change-Id: I9479e3d322561ed94683bd206e7e7852250d788c
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>
Diffstat (limited to 'mpls/impl/src/main/java/io/fd')
6 files changed, 211 insertions, 83 deletions
diff --git a/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/ImposeAndForwardWriter.java b/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/ImposeAndForwardWriter.java index b7ac96735..14053b63d 100644 --- a/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/ImposeAndForwardWriter.java +++ b/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/ImposeAndForwardWriter.java @@ -27,11 +27,13 @@ import io.fd.vpp.jvpp.core.future.FutureJVppCore; import java.util.List; import javax.annotation.Nonnull; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310.StaticLspConfig.Operation; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp.Config; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.InSegment; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.OutSegment; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.in.segment.Type; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.in.segment.type.IpPrefix; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.out.segment.PathList; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.out.segment.SimplePath; @@ -60,64 +62,80 @@ final class ImposeAndForwardWriter implements LspWriter, Ipv4Translator { final Config config = data.getConfig(); final IpAddDelRoute request = new IpAddDelRoute(); request.isAdd = booleanToByte(isAdd); - request.nextHopWeight = 1; // default value used in make test - final InSegment inSegment = config.getInSegment(); - checkArgument(inSegment != null, "Configuring impose-and-forward, but in-segment is missing."); + translate(config.getInSegment(), request); + translate(config.getOutSegment(), request, ctx); + + // default values based on inspecting VPP's CLI and make test code + request.nextHopWeight = 1; + request.nextHopViaLabel = MPLS_LABEL_INVALID; + + getReplyForWrite(vppApi.ipAddDelRoute(request).toCompletableFuture(), id); + } - checkArgument(inSegment.getType() instanceof IpPrefix, "Only ip-prefix type is supported, but %s given.", - inSegment.getType()); - final Ipv4Prefix prefix = ((IpPrefix) inSegment.getType()).getIpPrefix().getIpv4Prefix(); + private void translate(@Nonnull final InSegment inSegment, @Nonnull final IpAddDelRoute request) { + checkArgument(inSegment != null, "Configuring impose-and-forward, but in-segment is missing."); + final Type type = inSegment.getType(); + checkArgument(type instanceof IpPrefix, "Only ip-prefix type is supported, but %s given.", type); // TODO(HC2VPP-264): add support for mpls + v6 + final Ipv4Prefix prefix = ((IpPrefix) type).getIpPrefix().getIpv4Prefix(); request.dstAddressLength = extractPrefix(prefix); request.dstAddress = ipv4AddressPrefixToArray(prefix); + } - final OutSegment outSegment = config.getOutSegment(); + private void translate(@Nonnull final OutSegment outSegment, @Nonnull final IpAddDelRoute request, + @Nonnull final MappingContext ctx) { checkArgument(outSegment != null, "Configuring impose-and-forward, but out-segment is missing."); - translateOutSegment(outSegment, request, ctx); - getReplyForWrite(vppApi.ipAddDelRoute(request).toCompletableFuture(), id); - } - private void translateOutSegment(@Nonnull final OutSegment outSegment, @Nonnull final IpAddDelRoute request, - @Nonnull final MappingContext ctx) { final String outgoingInterface; if (outSegment instanceof SimplePath) { - final SimplePath path = (SimplePath) outSegment; - outgoingInterface = path.getOutgoingInterface(); - final IpAddress nextHop = path.getNextHop(); - checkArgument(nextHop != null, "Configuring impose-and-forward, but next-hop is missing."); - // TODO(HC2VPP-264): add support for mpls + v6 - checkArgument(nextHop.getIpv4Address() != null, "Only IPv4 next-hop address is supported."); - request.nextHopAddress = ipv4AddressNoZoneToArray(nextHop.getIpv4Address().getValue()); - request.nextHopNOutLabels = 1; - checkArgument(path.getOutgoingLabel() != null, - "Configuring impose-and-forward, but outgoing-label is missing."); - request.nextHopOutLabelStack = new int[] {path.getOutgoingLabel().getValue().intValue()}; + outgoingInterface = translate((SimplePath) outSegment, request); } else if (outSegment instanceof PathList) { - final PathList pathList = (PathList) outSegment; - checkArgument(pathList.getPaths() != null && pathList.getPaths().size() == 1, - "Only single path is supported"); - final Paths paths = pathList.getPaths().get(0); - outgoingInterface = paths.getOutgoingInterface(); - // TODO(HC2VPP-264): add support for mpls + v6 - final IpAddress nextHop = paths.getNextHop(); - checkArgument(nextHop != null, "Configuring impose-and-forward, but next-hop is missing."); - checkArgument(nextHop.getIpv4Address() != null, "Only IPv4 next-hop address is supported."); - request.nextHopAddress = ipv4AddressNoZoneToArray(nextHop.getIpv4Address().getValue()); - final List<MplsLabel> outgoingLabels = paths.getOutgoingLabels(); - final int numberOfLabels = outgoingLabels.size(); - checkArgument(numberOfLabels > 0 && numberOfLabels < MAX_LABELS, - "Number of labels (%s) not in range (0, %s].", numberOfLabels, MAX_LABELS, numberOfLabels); - request.nextHopNOutLabels = (byte) numberOfLabels; - request.nextHopOutLabelStack = - outgoingLabels.stream().mapToInt(label -> label.getValue().intValue()).toArray(); + outgoingInterface = translate((PathList) outSegment, request); } else { throw new IllegalArgumentException("Unsupported out-segment type: " + outSegment); } checkArgument(outgoingInterface != null, "Configuring impose-and-forward, but outgoing-interface is missing."); request.nextHopSwIfIndex = interfaceContext.getIndex(outgoingInterface, ctx); - request.nextHopViaLabel = MPLS_LABEL_INVALID; + } + + private String translate(@Nonnull final SimplePath path, @Nonnull final IpAddDelRoute request) { + final IpAddress nextHop = path.getNextHop(); + checkArgument(nextHop != null, "Configuring impose-and-forward, but next-hop is missing."); + + // TODO(HC2VPP-264): add support for mpls + v6 + final Ipv4Address address = nextHop.getIpv4Address(); + checkArgument(address != null, "Only IPv4 next-hop address is supported."); + request.nextHopAddress = ipv4AddressNoZoneToArray(address.getValue()); + + final MplsLabel outgoingLabel = path.getOutgoingLabel(); + checkArgument(outgoingLabel != null, "Configuring impose-and-forward, but outgoing-label is missing."); + request.nextHopOutLabelStack = new int[] {outgoingLabel.getValue().intValue()}; + request.nextHopNOutLabels = 1; + + return path.getOutgoingInterface(); + } + + private String translate(@Nonnull final PathList pathList, @Nonnull final IpAddDelRoute request) { + checkArgument(pathList.getPaths() != null && pathList.getPaths().size() == 1, "Only single path is supported"); + final Paths paths = pathList.getPaths().get(0); + final IpAddress nextHop = paths.getNextHop(); + checkArgument(nextHop != null, "Configuring impose-and-forward, but next-hop is missing."); + + // TODO(HC2VPP-264): add support for mpls + v6 + final Ipv4Address address = nextHop.getIpv4Address(); + checkArgument(address != null, "Only IPv4 next-hop address is supported."); + request.nextHopAddress = ipv4AddressNoZoneToArray(address.getValue()); + + final List<MplsLabel> labels = paths.getOutgoingLabels(); + final int numberOfLabels = labels.size(); + checkArgument(numberOfLabels > 0 && numberOfLabels < MAX_LABELS, "Number of labels (%s) not in range (0, %s].", + numberOfLabels, MAX_LABELS, numberOfLabels); + request.nextHopNOutLabels = (byte) numberOfLabels; + request.nextHopOutLabelStack = labels.stream().mapToInt(label -> label.getValue().intValue()).toArray(); + + return paths.getOutgoingInterface(); } } diff --git a/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/Ipv4LookupWriter.java b/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/Ipv4LookupWriter.java index 7ac164a96..94862c52b 100644 --- a/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/Ipv4LookupWriter.java +++ b/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/Ipv4LookupWriter.java @@ -25,8 +25,6 @@ import io.fd.vpp.jvpp.core.future.FutureJVppCore; import javax.annotation.Nonnull; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310.StaticLspConfig; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp.Config; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.InSegment; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.in.segment.type.MplsLabel; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310.routing.mpls._static.lsps.StaticLsp; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.mpls.rev171120.LookupType; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.mpls.rev171120.StaticLspVppLookupAugmentation; @@ -38,7 +36,7 @@ import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; * * @see <a href="https://git.fd.io/vpp/tree/src/vnet/mpls/mpls.api">mpls_route_add_del</a> definition */ -final class Ipv4LookupWriter implements LspWriter { +final class Ipv4LookupWriter implements LspWriter, MplsInSegmentTranslator { private static final byte IPV4_PROTOCOL = (byte) LookupType.Ipv4.getIntValue(); private final FutureJVppCore vppApi; @@ -55,8 +53,8 @@ final class Ipv4LookupWriter implements LspWriter { request.mrIsAdd = booleanToByte(isAdd); - translate(request, config); - translate(request, config.getAugmentation(StaticLspVppLookupAugmentation.class)); + translate(config.getInSegment(), request); + translate(config.getAugmentation(StaticLspVppLookupAugmentation.class), request); // default values based on inspecting VPP's CLI and make test code request.mrClassifyTableIndex = -1; @@ -70,23 +68,12 @@ final class Ipv4LookupWriter implements LspWriter { getReplyForWrite(vppApi.mplsRouteAddDel(request).toCompletableFuture(), id); } - private void translate(@Nonnull final MplsRouteAddDel request, @Nonnull final Config config) { - final InSegment inSegment = config.getInSegment(); - checkArgument(inSegment != null, "Configuring ipv4 pop-and-lookup, but in-segment is missing."); - - checkArgument(inSegment.getType() instanceof MplsLabel, "Expecting mpls-label in-segment type, but %s given.", - inSegment.getType()); - final Long label = ((MplsLabel) inSegment.getType()).getIncomingLabel().getValue(); - request.mrLabel = label.intValue(); - } - - private void translate(@Nonnull final MplsRouteAddDel request, - @Nonnull final StaticLspVppLookupAugmentation vppLabelLookup) { + private void translate(@Nonnull final StaticLspVppLookupAugmentation vppLabelLookup, + @Nonnull final MplsRouteAddDel request) { // IPv4 lookup should only happen if there is no more labels to process, so setting the EOS bit: request.mrEos = 1; - final Long lookupInTable = vppLabelLookup.getLabelLookup().getIp4LookupInTable(); - checkArgument(lookupInTable != null, - "Configuring pop and ipv4 lookup, but ipv4 lookup table was not given"); - request.mrNextHopTableId = lookupInTable.intValue(); + final Long lookupTable = vppLabelLookup.getLabelLookup().getIp4LookupInTable(); + checkArgument(lookupTable != null, "Configuring pop and ipv4 lookup, but ipv4 lookup table was not given"); + request.mrNextHopTableId = lookupTable.intValue(); } } diff --git a/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/MplsInSegmentTranslator.java b/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/MplsInSegmentTranslator.java new file mode 100644 index 000000000..9f531bba4 --- /dev/null +++ b/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/MplsInSegmentTranslator.java @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2017 Cisco and/or its affiliates. + * + * 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 io.fd.hc2vpp.mpls; + +import static com.google.common.base.Preconditions.checkArgument; + +import io.fd.vpp.jvpp.core.dto.MplsRouteAddDel; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.InSegment; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.in.segment.Type; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.in.segment.type.MplsLabel; + +/** + * Mixin that translates {@link InSegment} of {@link MplsLabel} type to {@link MplsRouteAddDel} message. + */ +interface MplsInSegmentTranslator { + default void translate(@Nonnull final InSegment inSegment, @Nonnull final MplsRouteAddDel request) { + checkArgument(inSegment != null, "Missing in-segment"); + final Type type = inSegment.getType(); + checkArgument(type instanceof MplsLabel, "Expecting in-segment of type mpls-label, but %s given.", type); + final Long label = ((MplsLabel) type).getIncomingLabel().getValue(); + request.mrLabel = label.intValue(); + } +} diff --git a/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/MplsLookupWriter.java b/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/MplsLookupWriter.java index c845c7aeb..d5d4872dc 100644 --- a/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/MplsLookupWriter.java +++ b/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/MplsLookupWriter.java @@ -25,8 +25,6 @@ import io.fd.vpp.jvpp.core.future.FutureJVppCore; import javax.annotation.Nonnull; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310.StaticLspConfig; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp.Config; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.InSegment; -import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.in.segment.type.MplsLabel; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310.routing.mpls._static.lsps.StaticLsp; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.mpls.rev171120.LookupType; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.mpls.rev171120.StaticLspVppLookupAugmentation; @@ -38,7 +36,7 @@ import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; * * @see <a href="https://git.fd.io/vpp/tree/src/vnet/mpls/mpls.api">mpls_route_add_del</a> definition */ -final class MplsLookupWriter implements LspWriter { +final class MplsLookupWriter implements LspWriter, MplsInSegmentTranslator { private static final byte MPLS_PROTOCOL = (byte) LookupType.Mpls.getIntValue(); private final FutureJVppCore vppApi; @@ -55,8 +53,8 @@ final class MplsLookupWriter implements LspWriter { request.mrIsAdd = booleanToByte(isAdd); - translate(request, config); - translate(request, config.getAugmentation(StaticLspVppLookupAugmentation.class)); + translate(config.getInSegment(), request); + translate(config.getAugmentation(StaticLspVppLookupAugmentation.class), request); // default values based on inspecting VPP's CLI and make test code request.mrClassifyTableIndex = -1; @@ -70,24 +68,13 @@ final class MplsLookupWriter implements LspWriter { getReplyForWrite(vppApi.mplsRouteAddDel(request).toCompletableFuture(), id); } - private void translate(@Nonnull final MplsRouteAddDel request, @Nonnull final Config config) { - final InSegment inSegment = config.getInSegment(); - checkArgument(inSegment != null, "Configuring mpls pop-and-lookup, but in-segment is missing."); - - checkArgument(inSegment.getType() instanceof MplsLabel, "Expecting mpls-label in-segment type, but %s given.", - inSegment.getType()); - final Long label = ((MplsLabel) inSegment.getType()).getIncomingLabel().getValue(); - request.mrLabel = label.intValue(); - } - - private void translate(@Nonnull final MplsRouteAddDel request, - @Nonnull final StaticLspVppLookupAugmentation vppLabelLookup) { + private void translate(@Nonnull final StaticLspVppLookupAugmentation vppLabelLookup, + @Nonnull final MplsRouteAddDel request) { // MPLS lookup for the last label is not valid operation (there is no next label to lookup), // so match only labels without EOS bit set: request.mrEos = 0; - final Long mplsLookupInTable = vppLabelLookup.getLabelLookup().getMplsLookupInTable(); - checkArgument(mplsLookupInTable != null, - "Configuring pop and mpls lookup, but MPLS lookup table was not given"); - request.mrNextHopTableId = mplsLookupInTable.intValue(); + final Long lookupTable = vppLabelLookup.getLabelLookup().getMplsLookupInTable(); + checkArgument(lookupTable != null, "Configuring pop and mpls lookup, but MPLS lookup table was not given"); + request.mrNextHopTableId = lookupTable.intValue(); } } diff --git a/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/MplsSwapWriter.java b/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/MplsSwapWriter.java new file mode 100644 index 000000000..8d834fe7c --- /dev/null +++ b/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/MplsSwapWriter.java @@ -0,0 +1,93 @@ +/* + * Copyright (c) 2017 Cisco and/or its affiliates. + * + * 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 io.fd.hc2vpp.mpls; + +import static com.google.common.base.Preconditions.checkArgument; + +import io.fd.hc2vpp.common.translate.util.Ipv4Translator; +import io.fd.hc2vpp.common.translate.util.NamingContext; +import io.fd.honeycomb.translate.MappingContext; +import io.fd.honeycomb.translate.write.WriteFailedException; +import io.fd.vpp.jvpp.core.dto.MplsRouteAddDel; +import io.fd.vpp.jvpp.core.future.FutureJVppCore; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310.StaticLspConfig; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp.Config; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.OutSegment; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310._static.lsp_config.out.segment.SimplePath; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310.routing.mpls._static.lsps.StaticLsp; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.types.rev170227.MplsLabel; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +/** + * Translates {@link StaticLspConfig.Operation#SwapAndForward} operation to mpls_route_add_del API. + * + * @see <a href="https://git.fd.io/vpp/tree/src/vnet/mpls/mpls.api">mpls_route_add_del</a> definition + */ +final class MplsSwapWriter implements LspWriter, Ipv4Translator, MplsInSegmentTranslator { + + private final FutureJVppCore vppApi; + private final NamingContext interfaceContext; + + MplsSwapWriter(@Nonnull final FutureJVppCore vppApi, @Nonnull final NamingContext interfaceContext) { + this.vppApi = vppApi; + this.interfaceContext = interfaceContext; + } + + @Override + public void write(@Nonnull final InstanceIdentifier<StaticLsp> id, @Nonnull final StaticLsp data, + @Nonnull final MappingContext ctx, final boolean isAdd) throws WriteFailedException { + final Config config = data.getConfig(); + final MplsRouteAddDel request = new MplsRouteAddDel(); + request.mrIsAdd = booleanToByte(isAdd); + request.mrEos = 1; // only SWAP for the last label in the stack is currently supported + + translate(config.getInSegment(), request); + translate(config.getOutSegment(), request, ctx); + + // default values based on inspecting VPP's CLI and make test code + request.mrClassifyTableIndex = -1; + request.mrNextHopWeight = 1; + request.mrNextHopViaLabel = MPLS_LABEL_INVALID; + + getReplyForWrite(vppApi.mplsRouteAddDel(request).toCompletableFuture(), id); + } + + private void translate(@Nonnull final OutSegment outSegment, @Nonnull final MplsRouteAddDel request, + @Nonnull final MappingContext ctx) { + checkArgument(outSegment instanceof SimplePath, "Unsupported out-segment type: %s", outSegment); + final SimplePath path = (SimplePath) outSegment; + final IpAddress nextHop = path.getNextHop(); + checkArgument(nextHop != null, "Configuring swap-and-forward, but next-hop is missing."); + + // TODO(HC2VPP-264): add support for mpls + v6 + final Ipv4Address address = nextHop.getIpv4Address(); + checkArgument(address != null, "Only IPv4 next-hop address is supported."); + request.mrNextHop = ipv4AddressNoZoneToArray(address.getValue()); + + final MplsLabel outgoingLabel = path.getOutgoingLabel(); + checkArgument(outgoingLabel != null, "Configuring swap-and-forward, but outgoing-label is missing."); + request.mrNextHopOutLabelStack = new int[] {outgoingLabel.getValue().intValue()}; + request.mrNextHopNOutLabels = 1; + + final String outgoingInterface = path.getOutgoingInterface(); + checkArgument(outgoingInterface != null, "Configuring swap-and-forward, but outgoing-interface is missing."); + request.mrNextHopSwIfIndex = interfaceContext.getIndex(outgoingInterface, ctx); + } +} diff --git a/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/StaticLspCustomizer.java b/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/StaticLspCustomizer.java index 54653b9c1..d93e0343c 100644 --- a/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/StaticLspCustomizer.java +++ b/mpls/impl/src/main/java/io/fd/hc2vpp/mpls/StaticLspCustomizer.java @@ -20,6 +20,7 @@ import static com.google.common.base.Preconditions.checkArgument; import static com.google.common.base.Preconditions.checkNotNull; import static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310.StaticLspConfig.Operation.ImposeAndForward; import static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310.StaticLspConfig.Operation.PopAndLookup; +import static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.mpls._static.rev170310.StaticLspConfig.Operation.SwapAndForward; import io.fd.hc2vpp.common.translate.util.NamingContext; import io.fd.honeycomb.translate.MappingContext; @@ -47,6 +48,7 @@ final class StaticLspCustomizer implements ListWriterCustomizer<StaticLsp, Stati private final ImposeAndForwardWriter imposeAndForward; private final MplsLookupWriter mplsLookup; private final Ipv4LookupWriter ipv4Lookup; + private final MplsSwapWriter mplsSwap; StaticLspCustomizer(@Nonnull final FutureJVppCore vppApi, @Nonnull NamingContext interfaceContext) { checkNotNull(vppApi, "vppApi should not be null"); @@ -54,6 +56,7 @@ final class StaticLspCustomizer implements ListWriterCustomizer<StaticLsp, Stati this.imposeAndForward = new ImposeAndForwardWriter(vppApi, interfaceContext); this.mplsLookup = new MplsLookupWriter(vppApi); this.ipv4Lookup = new Ipv4LookupWriter(vppApi); + this.mplsSwap = new MplsSwapWriter(vppApi, interfaceContext); } @Override @@ -94,6 +97,8 @@ final class StaticLspCustomizer implements ListWriterCustomizer<StaticLsp, Stati } else { throw new IllegalArgumentException("Unsupported lookup type: " + type); } + } else if (SwapAndForward.equals(operation)) { + mplsSwap.write(id, data, ctx, isAdd); } else { throw new IllegalArgumentException("Unsupported operation: " + operation); } |