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authorMarek Gradzki <mgradzki@cisco.com>2017-06-23 14:00:58 +0200
committerMarek Gradzki <mgradzki@cisco.com>2017-06-28 10:51:08 +0000
commit995340b2a5204f8f643b3c5a4d18620f02b795a0 (patch)
tree44b27103896edc49e96dac399b6a5ef256ba612e /bgp/inet/src/main
parent2064e56f72c75eac68773bf35de81c081cb04231 (diff)
HC2VPP-174: add support for BGP IPv4/IPv6 unicast
Tranlates BGP IPv4/IPv6 routes to VPP FIB. Not supported: - multiple paths (https://tools.ietf.org/html/rfc7911) - IPv6 SR Change-Id: I06f0e81dd44df6a2eb7a3fe95445041e8f4f7af9 Signed-off-by: Marek Gradzki <mgradzki@cisco.com>
Diffstat (limited to 'bgp/inet/src/main')
-rw-r--r--bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/BgpInetModule.java43
-rw-r--r--bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/InetRouteWriterFactory.java34
-rw-r--r--bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/Ipv4Writer.java111
-rw-r--r--bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/Ipv6Writer.java115
-rw-r--r--bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/RouteRequestProducer.java33
5 files changed, 336 insertions, 0 deletions
diff --git a/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/BgpInetModule.java b/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/BgpInetModule.java
new file mode 100644
index 000000000..58f2e84d8
--- /dev/null
+++ b/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/BgpInetModule.java
@@ -0,0 +1,43 @@
+/*
+ * 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.bgp.inet;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.multibindings.Multibinder;
+import io.fd.honeycomb.translate.bgp.RouteWriterFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * BgpInetModule class instantiating BGP IPv4 and IPv6 route writers.
+ */
+public final class BgpInetModule extends AbstractModule {
+
+ private static final Logger LOG = LoggerFactory.getLogger(BgpInetModule.class);
+
+ @Override
+ protected void configure() {
+ LOG.info("Installing BGP inet module");
+
+ LOG.info("Injecting route writers");
+ final Multibinder<RouteWriterFactory> writerFactoryBinder =
+ Multibinder.newSetBinder(binder(), RouteWriterFactory.class);
+ writerFactoryBinder.addBinding().to(InetRouteWriterFactory.class);
+
+ LOG.info("BgpInetModule successfully configured");
+ }
+}
diff --git a/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/InetRouteWriterFactory.java b/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/InetRouteWriterFactory.java
new file mode 100644
index 000000000..821d4364d
--- /dev/null
+++ b/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/InetRouteWriterFactory.java
@@ -0,0 +1,34 @@
+/*
+ * 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.bgp.inet;
+
+import com.google.inject.Inject;
+import io.fd.honeycomb.translate.bgp.RibWriter;
+import io.fd.honeycomb.translate.bgp.RouteWriterFactory;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import javax.annotation.Nonnull;
+
+final class InetRouteWriterFactory implements RouteWriterFactory {
+ @Inject
+ private FutureJVppCore vppApi;
+
+ @Override
+ public void init(@Nonnull final RibWriter registry) {
+ registry.register(new Ipv4Writer(vppApi));
+ registry.register(new Ipv6Writer(vppApi));
+ }
+}
diff --git a/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/Ipv4Writer.java b/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/Ipv4Writer.java
new file mode 100644
index 000000000..ef1853ce8
--- /dev/null
+++ b/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/Ipv4Writer.java
@@ -0,0 +1,111 @@
+/*
+ * 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.bgp.inet;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import com.sun.istack.internal.Nullable;
+import io.fd.hc2vpp.common.translate.util.Ipv4Translator;
+import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
+import io.fd.honeycomb.translate.bgp.RouteWriter;
+import io.fd.honeycomb.translate.write.WriteFailedException;
+import io.fd.vpp.jvpp.core.dto.IpAddDelRoute;
+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.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.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.Ipv4Routes;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.ipv4.routes.Ipv4Route;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.BgpRib;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.Rib;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.LocRib;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.Tables;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.CNextHop;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv4NextHopCase;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+final class Ipv4Writer implements RouteWriter<Ipv4Route>, Ipv4Translator, JvppReplyConsumer, RouteRequestProducer {
+
+ private static final Logger LOG = LoggerFactory.getLogger(Ipv4Writer.class);
+
+ @SuppressWarnings("unchecked")
+ private static final InstanceIdentifier<Ipv4Route> ID = InstanceIdentifier.create(BgpRib.class).child(Rib.class)
+ .child(LocRib.class).child(Tables.class).child((Class) Ipv4Routes.class)
+ .child(Ipv4Route.class);
+
+ private final FutureJVppCore vppApi;
+
+ Ipv4Writer(@Nonnull final FutureJVppCore vppApi) {
+ this.vppApi = checkNotNull(vppApi, "vppApi should not be null");
+ }
+
+ @Override
+ public void create(@Nonnull final InstanceIdentifier<Ipv4Route> id,
+ @Nullable final Ipv4Route route)
+ throws WriteFailedException.CreateFailedException {
+ final IpAddDelRoute request = request(route, true);
+ LOG.debug("Translating id={}, route={} to {}", id, route, request);
+ getReplyForCreate(vppApi.ipAddDelRoute(request).toCompletableFuture(), id, route);
+ LOG.debug("VPP FIB updated successfully (added id={}).", id);
+ }
+
+ @Override
+ public void delete(@Nonnull final InstanceIdentifier<Ipv4Route> id,
+ @Nullable final Ipv4Route route)
+ throws WriteFailedException.DeleteFailedException {
+ LOG.debug("Removing id={}, route={}", id, route);
+ getReplyForDelete(vppApi.ipAddDelRoute(request(route, false)).toCompletableFuture(), id);
+ LOG.debug("VPP FIB updated successfully (removed id={}).", id);
+ }
+
+ @Override
+ public void update(@Nonnull final InstanceIdentifier<Ipv4Route> id,
+ @Nullable final Ipv4Route routeBefore,
+ @Nullable final Ipv4Route routeAfter)
+ throws WriteFailedException.UpdateFailedException {
+ throw new WriteFailedException.UpdateFailedException(id, routeBefore, routeAfter,
+ new UnsupportedOperationException("Operation not supported"));
+ }
+
+ private IpAddDelRoute request(final Ipv4Route route, boolean isAdd) {
+ // TODO(HC2VPP-177): add support for request.nextHopWeight for multiple path case
+
+ final CNextHop cNextHop = route.getAttributes().getCNextHop();
+ checkArgument(cNextHop instanceof Ipv4NextHopCase, "only ipv4 next hop is supported, but was %s (route = %s)",
+ cNextHop, route);
+
+ final IpAddDelRoute request = ipAddDelRoute(isAdd);
+
+ final Ipv4Address nextHop = ((Ipv4NextHopCase) cNextHop).getIpv4NextHop().getGlobal();
+ request.nextHopAddress = ipv4AddressNoZoneToArray(nextHop.getValue());
+
+ final Ipv4Prefix destinationAddress = route.getPrefix();
+ request.dstAddress = ipv4AddressPrefixToArray(destinationAddress);
+ request.dstAddressLength = extractPrefix(destinationAddress);
+
+ return request;
+ }
+
+ @Nonnull
+ @Override
+ public InstanceIdentifier<Ipv4Route> getManagedDataObjectType() {
+ return ID;
+ }
+}
diff --git a/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/Ipv6Writer.java b/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/Ipv6Writer.java
new file mode 100644
index 000000000..0e7e31de4
--- /dev/null
+++ b/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/Ipv6Writer.java
@@ -0,0 +1,115 @@
+/*
+ * 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.bgp.inet;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import com.sun.istack.internal.Nullable;
+import io.fd.hc2vpp.common.translate.util.Ipv6Translator;
+import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
+import io.fd.honeycomb.translate.bgp.RouteWriter;
+import io.fd.honeycomb.translate.write.WriteFailedException;
+import io.fd.vpp.jvpp.core.dto.IpAddDelRoute;
+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.Ipv6Address;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.routes.Ipv6Routes;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.routes.ipv6.routes.Ipv6Route;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.BgpRib;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.Rib;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.LocRib;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.Tables;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.CNextHop;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv6NextHopCase;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+final class Ipv6Writer implements RouteWriter<Ipv6Route>, Ipv6Translator, JvppReplyConsumer, RouteRequestProducer {
+
+ private static final Logger LOG = LoggerFactory.getLogger(Ipv6Writer.class);
+
+ @SuppressWarnings("unchecked")
+ private static final InstanceIdentifier<Ipv6Route> ID = InstanceIdentifier.create(BgpRib.class).child(Rib.class)
+ .child(LocRib.class).child(Tables.class).child((Class) Ipv6Routes.class)
+ .child(Ipv6Route.class);
+
+ private final FutureJVppCore vppApi;
+
+ Ipv6Writer(@Nonnull final FutureJVppCore vppApi) {
+ this.vppApi = checkNotNull(vppApi, "vppApi should not be null");
+ }
+
+ @Override
+ public void create(@Nonnull final InstanceIdentifier<Ipv6Route> id,
+ @Nullable final Ipv6Route route)
+ throws WriteFailedException.CreateFailedException {
+ final IpAddDelRoute request = request(route, true);
+ LOG.debug("Translating id={}, route={} to {}", id, route, request);
+ getReplyForCreate(vppApi.ipAddDelRoute(request).toCompletableFuture(), id, route);
+ LOG.debug("VPP FIB updated successfully (added id={}).", id);
+ }
+
+ @Override
+ public void delete(@Nonnull final InstanceIdentifier<Ipv6Route> id,
+ @Nullable final Ipv6Route route)
+ throws WriteFailedException.DeleteFailedException {
+ LOG.debug("Removing id={}, route={}", id, route);
+ getReplyForDelete(vppApi.ipAddDelRoute(request(route, false)).toCompletableFuture(), id);
+ LOG.debug("VPP FIB updated successfully (removed id={}).", id);
+ }
+
+ @Override
+ public void update(@Nonnull final InstanceIdentifier<Ipv6Route> id,
+ @Nullable final Ipv6Route routeBefore,
+ @Nullable final Ipv6Route routeAfter)
+ throws WriteFailedException.UpdateFailedException {
+ throw new WriteFailedException.UpdateFailedException(id, routeBefore, routeAfter,
+ new UnsupportedOperationException("Operation not supported"));
+ }
+
+ private IpAddDelRoute request(final Ipv6Route dataAfter, boolean isAdd) {
+ // TODO(HC2VPP-178): support of bgp-prefix-sid SR for IPv6
+ // dataAfter.getAttributes().getBgpPrefixSid()
+
+ // TODO(HC2VPP-177): add support for request.nextHopWeight for multiple path case
+
+ final CNextHop cNextHop = dataAfter.getAttributes().getCNextHop();
+ checkArgument(cNextHop instanceof Ipv6NextHopCase, "only ipv6 next hop is supported, but was %s (route = %s)",
+ cNextHop, dataAfter);
+
+ final IpAddDelRoute request = ipAddDelRoute(isAdd);
+ request.isIpv6 = 1;
+
+ final Ipv6Address nextHop = ((Ipv6NextHopCase) cNextHop).getIpv6NextHop().getGlobal();
+ request.nextHopAddress = ipv6AddressNoZoneToArray(nextHop);
+
+ final Ipv6Prefix destinationAddress = dataAfter.getPrefix();
+ request.dstAddress = ipv6AddressPrefixToArray(destinationAddress);
+ request.dstAddressLength = extractPrefix(destinationAddress);
+
+ return request;
+ }
+
+ @Nonnull
+ @Override
+ public InstanceIdentifier<Ipv6Route> getManagedDataObjectType() {
+ return ID;
+ }
+}
diff --git a/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/RouteRequestProducer.java b/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/RouteRequestProducer.java
new file mode 100644
index 000000000..2684ba5ec
--- /dev/null
+++ b/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/RouteRequestProducer.java
@@ -0,0 +1,33 @@
+/*
+ * 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.bgp.inet;
+
+import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
+import io.fd.vpp.jvpp.core.dto.IpAddDelRoute;
+
+interface RouteRequestProducer extends ByteDataTranslator {
+ int MPLS_LABEL_INVALID = 0x100000;
+
+ default IpAddDelRoute ipAddDelRoute(boolean isAdd) {
+ final IpAddDelRoute request = new IpAddDelRoute();
+ request.isAdd = booleanToByte(isAdd);
+ // we create recursive route and expect hc2vpp user to add route for next hop with interface specified
+ request.nextHopSwIfIndex = -1;
+ request.nextHopViaLabel = MPLS_LABEL_INVALID;
+ return request;
+ }
+}