Java Code Examples for org.onosproject.net.flowobjective.ForwardingObjective#treatment()
The following examples show how to use
org.onosproject.net.flowobjective.ForwardingObjective#treatment() .
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Example 1
| Source File: ForwardingObjectiveTranslator.java From onos with Apache License 2.0 | 6 votes |
|
private static TrafficTreatment nextIdOrTreatment(
ForwardingObjective obj, PiTableId tableId)
throws FabricPipelinerException {
if (obj.nextId() == null) {
return obj.treatment();
} else {
if (!NEXT_ID_ACTIONS.containsKey(tableId)) {
throw new FabricPipelinerException(format(
"BUG? no next_id action set for table %s", tableId));
}
return DefaultTrafficTreatment.builder()
.piTableAction(
setNextIdAction(obj.nextId(),
NEXT_ID_ACTIONS.get(tableId)))
.build();
}
}
Example 2
| Source File: CiscoN9kPipeliner.java From onos with Apache License 2.0 | 6 votes |
|
@Override
public void forward(ForwardingObjective forwardObjective) {
ForwardingObjective newFwd = forwardObjective;
Device device = deviceService.getDevice(deviceId);
if (forwardObjective.treatment() != null && forwardObjective.treatment().clearedDeferred()) {
log.warn("Using 'clear actions' instruction which is not supported by {} {} {} Switch"
+ " removing the clear deferred from the forwarding objective",
device.id(), device.manufacturer(), device.hwVersion());
newFwd = forwardingObjectiveWithoutCleardDef(forwardObjective).orElse(forwardObjective);
}
EthTypeCriterion ethType =
(EthTypeCriterion) newFwd.selector().getCriterion(Criterion.Type.ETH_TYPE);
if (ethType != null && ethType.ethType() == EthType.EtherType.IPV6.ethType()) {
log.error("IPv6 type not supported for {} {} {} Switch, " +
"The FlowRule associated with IPv6 is dropped.",
device.id(), device.manufacturer(), device.hwVersion());
return;
}
super.forward(newFwd);
}
Example 3
| Source File: OpenVSwitchPipeline.java From onos with Apache License 2.0 | 6 votes |
|
private Collection<FlowRule> processVersatile(ForwardingObjective fwd) {
log.debug("Processing versatile forwarding objective");
TrafficSelector selector = fwd.selector();
TrafficTreatment tb = fwd.treatment();
FlowRule.Builder ruleBuilder = DefaultFlowRule.builder().fromApp(fwd.appId()).withPriority(fwd.priority())
.forDevice(deviceId).withSelector(selector).withTreatment(tb).makeTemporary(TIME_OUT);
ruleBuilder.withPriority(fwd.priority());
if (fwd.priority() == 100) {
ruleBuilder.forTable(ENCAP_OUTPUT_TABLE);
} else if (fwd.priority() == 200) {
ruleBuilder.forTable(TUN_SEND_TABLE);
} else {
ruleBuilder.forTable(CLASSIFIER_TABLE);
}
if (fwd.permanent()) {
ruleBuilder.makePermanent();
}
return Collections.singletonList(ruleBuilder.build());
}
Example 4
| Source File: BasicPipelinerImpl.java From onos with Apache License 2.0 | 5 votes |
|
@Override
public void forward(ForwardingObjective obj) {
if (obj.treatment() == null) {
obj.context().ifPresent(c -> c.onError(obj, ObjectiveError.UNSUPPORTED));
}
// Simply create an equivalent FlowRule for table 0.
final FlowRule.Builder ruleBuilder = DefaultFlowRule.builder()
.forTable(INGRESS_TABLE0_CONTROL_TABLE0)
.forDevice(deviceId)
.withSelector(obj.selector())
.fromApp(obj.appId())
.withPriority(obj.priority())
.withTreatment(obj.treatment());
if (obj.permanent()) {
ruleBuilder.makePermanent();
} else {
ruleBuilder.makeTemporary(obj.timeout());
}
switch (obj.op()) {
case ADD:
flowRuleService.applyFlowRules(ruleBuilder.build());
break;
case REMOVE:
flowRuleService.removeFlowRules(ruleBuilder.build());
break;
default:
log.warn("Unknown operation {}", obj.op());
}
obj.context().ifPresent(c -> c.onSuccess(obj));
}
Example 5
| Source File: PicaPipeline.java From onos with Apache License 2.0 | 5 votes |
|
private Collection<FlowRule> processVersatile(ForwardingObjective fwd) {
log.debug("Processing versatile forwarding objective");
TrafficSelector selector = fwd.selector();
TrafficTreatment treatment = fwd.treatment();
Collection<FlowRule> flowrules = new ArrayList<FlowRule>();
// first add this rule for basic single-table operation
// or non-ARP related multi-table operation
FlowRule rule = DefaultFlowRule.builder()
.forDevice(deviceId)
.withSelector(selector)
.withTreatment(treatment)
.withPriority(fwd.priority())
.fromApp(fwd.appId())
.makePermanent()
.forTable(ACL_TABLE).build();
flowrules.add(rule);
EthTypeCriterion ethType =
(EthTypeCriterion) selector.getCriterion(Criterion.Type.ETH_TYPE);
if (ethType == null) {
log.warn("No ethType in versatile forwarding obj. Not processing further.");
return flowrules;
}
// now deal with possible mix of ARP with filtering objectives
// in multi-table scenarios
if (ethType.ethType().toShort() == Ethernet.TYPE_ARP) {
if (filters.isEmpty()) {
pendingVersatiles.add(fwd);
return flowrules;
}
for (Filter filter : filters) {
flowrules.addAll(processVersatilesWithFilters(filter, fwd));
}
}
return flowrules;
}
Example 6
| Source File: OltPipeline.java From onos with Apache License 2.0 | 5 votes |
|
@Override
public void forward(ForwardingObjective fwd) {
log.debug("Installing forwarding objective {}", fwd);
if (checkForMulticast(fwd)) {
processMulticastRule(fwd);
return;
}
TrafficTreatment treatment = fwd.treatment();
List<Instruction> instructions = treatment.allInstructions();
Optional<Instruction> vlanInstruction = instructions.stream()
.filter(i -> i.type() == Instruction.Type.L2MODIFICATION)
.filter(i -> ((L2ModificationInstruction) i).subtype() ==
L2ModificationInstruction.L2SubType.VLAN_PUSH ||
((L2ModificationInstruction) i).subtype() ==
L2ModificationInstruction.L2SubType.VLAN_POP)
.findAny();
if (!vlanInstruction.isPresent()) {
installNoModificationRules(fwd);
} else {
L2ModificationInstruction vlanIns =
(L2ModificationInstruction) vlanInstruction.get();
if (vlanIns.subtype() == L2ModificationInstruction.L2SubType.VLAN_PUSH) {
installUpstreamRules(fwd);
} else if (vlanIns.subtype() == L2ModificationInstruction.L2SubType.VLAN_POP) {
installDownstreamRules(fwd);
} else {
log.error("Unknown OLT operation: {}", fwd);
fail(fwd, ObjectiveError.UNSUPPORTED);
return;
}
}
pass(fwd);
}
Example 7
| Source File: ForwardingObjectiveCodec.java From onos with Apache License 2.0 | 5 votes |
|
@Override
public ObjectNode encode(ForwardingObjective forwardingObjective, CodecContext context) {
checkNotNull(forwardingObjective, NOT_NULL_MESSAGE);
final JsonCodec<TrafficTreatment> trafficTreatmentCodec = context.codec(TrafficTreatment.class);
final JsonCodec<TrafficSelector> trafficSelectorCodec = context.codec(TrafficSelector.class);
// encode common properties
ObjectiveCodecHelper och = new ObjectiveCodecHelper();
ObjectNode result = och.encode(forwardingObjective, context);
// encode id
result.put(ID, forwardingObjective.id());
// encode flag
result.put(FLAG, forwardingObjective.flag().toString());
// encode op
result.put(OPERATION, forwardingObjective.op().toString());
// encode selector
ObjectNode trafficSelectorNode =
trafficSelectorCodec.encode(forwardingObjective.selector(), context);
result.set(SELECTOR, trafficSelectorNode);
// encode nextId
if (forwardingObjective.nextId() != null) {
result.put(NEXT_ID, forwardingObjective.nextId());
}
// encode treatment
if (forwardingObjective.treatment() != null) {
ObjectNode trafficTreatmentNode =
trafficTreatmentCodec.encode(forwardingObjective.treatment(), context);
result.set(TREATMENT, trafficTreatmentNode);
}
return result;
}
Example 8
| Source File: OfdpaPipelineUtility.java From onos with Apache License 2.0 | 5 votes |
|
/**
* Returns true iff the forwarding objective includes a treatment to pop the
* MPLS label.
*
* @param fwd the given forwarding objective
* @return true iff mpls pop treatment exists
*/
static boolean isMplsPop(ForwardingObjective fwd) {
if (fwd.treatment() != null) {
for (Instruction instr : fwd.treatment().allInstructions()) {
if (instr instanceof L2ModificationInstruction
&& ((L2ModificationInstruction) instr)
.subtype() == L2SubType.MPLS_POP) {
return true;
}
}
}
return false;
}
Example 9
| Source File: AristaPipeliner.java From onos with Apache License 2.0 | 5 votes |
|
@Override
public void forward(ForwardingObjective forwardObjective) {
ForwardingObjective newFwd = forwardObjective;
Device device = deviceService.getDevice(deviceId);
if (forwardObjective.treatment() != null && forwardObjective.treatment().clearedDeferred()) {
log.warn("Using 'clear actions' instruction which is not supported by {} {} {} Switch"
+ " removing the clear deferred from the forwarding objective",
device.id(), device.manufacturer(), device.hwVersion());
newFwd = forwardingObjectiveWithoutCleardDef(forwardObjective).orElse(forwardObjective);
}
super.forward(newFwd);
}
Example 10
| Source File: Ofdpa2Pipeline.java From onos with Apache License 2.0 | 4 votes |
|
/**
* Helper function to create traffic treatment builder for versatile forwarding objectives.
*
* @param fwd original forwarding objective
* @return treatment builder for the flow rule, or null if there is an error.
*/
protected TrafficTreatment.Builder versatileTreatmentBuilder(ForwardingObjective fwd) {
// XXX driver does not currently do type checking as per Tables 65-67 in
// OFDPA 2.0 spec. The only allowed treatment is a punt to the controller.
TrafficTreatment.Builder ttBuilder = DefaultTrafficTreatment.builder();
if (fwd.treatment() != null) {
for (Instruction ins : fwd.treatment().allInstructions()) {
if (ins instanceof OutputInstruction) {
OutputInstruction o = (OutputInstruction) ins;
if (PortNumber.CONTROLLER.equals(o.port())) {
ttBuilder.add(o);
} else {
log.warn("Only allowed treatments in versatile forwarding "
+ "objectives are punts to the controller");
}
} else if (ins instanceof NoActionInstruction) {
// No action is allowed and nothing needs to be done
} else {
log.warn("Cannot process instruction in versatile fwd {}", ins);
}
}
if (fwd.treatment().clearedDeferred()) {
ttBuilder.wipeDeferred();
}
}
if (fwd.nextId() != null) {
// Override case
NextGroup next = getGroupForNextObjective(fwd.nextId());
if (next == null) {
fail(fwd, ObjectiveError.BADPARAMS);
return null;
}
List<Deque<GroupKey>> gkeys = appKryo.deserialize(next.data());
// we only need the top level group's key to point the flow to it
Group group = groupService.getGroup(deviceId, gkeys.get(0).peekFirst());
if (group == null) {
log.warn("Group with key:{} for next-id:{} not found in dev:{}",
gkeys.get(0).peekFirst(), fwd.nextId(), deviceId);
fail(fwd, ObjectiveError.GROUPMISSING);
return null;
}
ttBuilder.deferred().group(group.id());
}
return ttBuilder;
}
Example 11
| Source File: OpenVSwitchPipeline.java From onos with Apache License 2.0 | 4 votes |
|
private Collection<FlowRule> processSpecific(ForwardingObjective fwd) {
log.debug("Processing specific forwarding objective");
TrafficSelector selector = fwd.selector();
TrafficTreatment tb = fwd.treatment();
FlowRule.Builder ruleBuilder = DefaultFlowRule.builder()
.fromApp(fwd.appId()).withPriority(fwd.priority())
.forDevice(deviceId).withSelector(selector)
.withTreatment(tb).makeTemporary(TIME_OUT);
ruleBuilder.withPriority(fwd.priority());
if (fwd.permanent()) {
ruleBuilder.makePermanent();
}
Integer transition = null;
Integer forTable = null;
// MAC table flow rules
if (selector.getCriterion(Type.TUNNEL_ID) != null
&& (selector.getCriterion(Type.ETH_DST) != null
|| selector.getCriterion(Type.ETH_SRC) != null)) {
forTable = MAC_TABLE;
return reassemblyFlowRule(ruleBuilder, tb, transition, forTable);
}
// CLASSIFIER table flow rules
if (selector.getCriterion(Type.IN_PORT) != null) {
forTable = CLASSIFIER_TABLE;
if (selector.getCriterion(Type.ETH_SRC) != null
&& selector.getCriterion(Type.ETH_DST) != null) {
transition = L3FWD_TABLE;
} else if (selector.getCriterion(Type.ETH_SRC) != null
|| selector.getCriterion(Type.TUNNEL_ID) != null) {
transition = MAC_TABLE;
} else if (selector.getCriterion(Type.IPV4_DST) != null) {
transition = DNAT_TABLE;
} else if (selector.getCriterion(Type.ETH_TYPE) != null
&& selector.getCriterion(Type.ETH_TYPE).equals(Criteria
.matchEthType(EtherType.ARP.ethType().toShort()))) {
transition = ARP_TABLE;
}
return reassemblyFlowRule(ruleBuilder, tb, transition, forTable);
}
// ARP table flow rules
if (selector.getCriterion(Type.ETH_TYPE) != null
&& selector.getCriterion(Type.ETH_TYPE).equals(Criteria
.matchEthType(EtherType.ARP.ethType().toShort()))) {
// CLASSIFIER table arp flow rules
if (selector.getCriterion(Type.TUNNEL_ID) == null) {
if (selector.getCriterion(Type.ARP_OP) != null) {
forTable = CLASSIFIER_TABLE;
return reassemblyFlowRule(ruleBuilder, tb, null, forTable);
}
transition = ARP_TABLE;
forTable = CLASSIFIER_TABLE;
return reassemblyFlowRule(ruleBuilder, tb, transition, forTable);
}
forTable = ARP_TABLE;
return reassemblyFlowRule(ruleBuilder, tb, transition, forTable);
}
// SNAT table flow rules
if (selector.getCriterion(Type.TUNNEL_ID) != null
&& selector.getCriterion(Type.IPV4_SRC) != null) {
transition = MAC_TABLE;
forTable = SNAT_TABLE;
return reassemblyFlowRule(ruleBuilder, tb, transition, forTable);
}
// L3FWD table flow rules
if (selector.getCriterion(Type.TUNNEL_ID) != null
&& selector.getCriterion(Type.IPV4_DST) != null) {
transition = MAC_TABLE;
forTable = L3FWD_TABLE;
return reassemblyFlowRule(ruleBuilder, tb, transition, forTable);
}
// DNAT table flow rules
if (selector.getCriterion(Type.IPV4_DST) != null) {
IPCriterion ipCriterion = (IPCriterion) selector.getCriterion(Type.IPV4_DST);
IpPrefix ipPrefix = ipCriterion.ip();
// specific CLASSIFIER table flow rules for userdata
if (ipPrefix.address().equals(IpAddress.valueOf(USERDATA_IP))) {
forTable = CLASSIFIER_TABLE;
transition = MAC_TABLE;
return reassemblyFlowRule(ruleBuilder, tb, transition, forTable);
}
transition = L3FWD_TABLE;
forTable = DNAT_TABLE;
return reassemblyFlowRule(ruleBuilder, tb, transition, forTable);
}
return Collections.singletonList(ruleBuilder.build());
}
Example 12
| Source File: NokiaOltPipeline.java From onos with Apache License 2.0 | 4 votes |
|
@Override
public void forward(ForwardingObjective fwd) {
if (checkForMulticast(fwd)) {
processMulticastRule(fwd);
return;
}
if (checkForEAPOL(fwd)) {
log.warn("Discarding EAPOL flow which is not supported on this pipeline");
return;
}
TrafficTreatment treatment = fwd.treatment();
List<Instruction> instructions = treatment.allInstructions();
Optional<Instruction> vlanIntruction = instructions.stream()
.filter(i -> i.type() == Instruction.Type.L2MODIFICATION)
.filter(i -> ((L2ModificationInstruction) i).subtype() ==
L2ModificationInstruction.L2SubType.VLAN_PUSH ||
((L2ModificationInstruction) i).subtype() ==
L2ModificationInstruction.L2SubType.VLAN_POP)
.findAny();
if (vlanIntruction.isPresent()) {
L2ModificationInstruction vlanIns =
(L2ModificationInstruction) vlanIntruction.get();
if (vlanIns.subtype() == L2ModificationInstruction.L2SubType.VLAN_PUSH) {
installUpstreamRules(fwd);
} else if (vlanIns.subtype() == L2ModificationInstruction.L2SubType.VLAN_POP) {
installDownstreamRules(fwd);
} else {
log.error("Unknown OLT operation: {}", fwd);
fail(fwd, ObjectiveError.UNSUPPORTED);
return;
}
pass(fwd);
} else {
TrafficSelector selector = fwd.selector();
if (fwd.treatment() != null) {
// Deal with SPECIFIC and VERSATILE in the same manner.
FlowRule.Builder ruleBuilder = DefaultFlowRule.builder()
.forDevice(deviceId)
.withSelector(selector)
.fromApp(fwd.appId())
.withPriority(fwd.priority())
.withTreatment(fwd.treatment());
if (fwd.permanent()) {
ruleBuilder.makePermanent();
} else {
ruleBuilder.makeTemporary(fwd.timeout());
}
installObjective(ruleBuilder, fwd);
} else {
log.error("No treatment error: {}", fwd);
fail(fwd, ObjectiveError.UNSUPPORTED);
}
}
}
Example 13
| Source File: Ofdpa2Pipeline.java From onos with Apache License 2.0 | 4 votes |
|
/**
* Handles forwarding rules to the L2 bridging table. Flow actions are not
* allowed in the bridging table - instead we use L2 Interface group or
* L2 flood group
*
* @param fwd the forwarding objective
* @return A collection of flow rules, or an empty set
*/
protected Collection<FlowRule> processEthDstSpecific(ForwardingObjective fwd) {
List<FlowRule> rules = new ArrayList<>();
// Build filtered selector
TrafficSelector selector = fwd.selector();
EthCriterion ethCriterion = (EthCriterion) selector
.getCriterion(Criterion.Type.ETH_DST);
VlanIdCriterion vlanIdCriterion = (VlanIdCriterion) selector
.getCriterion(Criterion.Type.VLAN_VID);
if (vlanIdCriterion == null) {
log.warn("Forwarding objective for bridging requires vlan. Not "
+ "installing fwd:{} in dev:{}", fwd.id(), deviceId);
fail(fwd, ObjectiveError.BADPARAMS);
return Collections.emptySet();
}
TrafficSelector.Builder filteredSelectorBuilder =
DefaultTrafficSelector.builder();
if (!ethCriterion.mac().equals(NONE) &&
!ethCriterion.mac().equals(BROADCAST)) {
filteredSelectorBuilder.matchEthDst(ethCriterion.mac());
log.debug("processing L2 forwarding objective:{} -> next:{} in dev:{}",
fwd.id(), fwd.nextId(), deviceId);
} else {
// Use wildcard DST_MAC if the MacAddress is None or Broadcast
log.debug("processing L2 Broadcast forwarding objective:{} -> next:{} "
+ "in dev:{} for vlan:{}",
fwd.id(), fwd.nextId(), deviceId, vlanIdCriterion.vlanId());
}
if (requireVlanExtensions()) {
OfdpaMatchVlanVid ofdpaMatchVlanVid = new OfdpaMatchVlanVid(vlanIdCriterion.vlanId());
filteredSelectorBuilder.extension(ofdpaMatchVlanVid, deviceId);
} else {
filteredSelectorBuilder.matchVlanId(vlanIdCriterion.vlanId());
}
TrafficSelector filteredSelector = filteredSelectorBuilder.build();
if (fwd.treatment() != null) {
log.warn("Ignoring traffic treatment in fwd rule {} meant for L2 table"
+ "for dev:{}. Expecting only nextId", fwd.id(), deviceId);
}
TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment.builder();
if (fwd.nextId() != null) {
NextGroup next = getGroupForNextObjective(fwd.nextId());
if (next != null) {
List<Deque<GroupKey>> gkeys = appKryo.deserialize(next.data());
// we only need the top level group's key to point the flow to it
Group group = groupService.getGroup(deviceId, gkeys.get(0).peekFirst());
if (group != null) {
treatmentBuilder.deferred().group(group.id());
} else {
log.warn("Group with key:{} for next-id:{} not found in dev:{}",
gkeys.get(0).peekFirst(), fwd.nextId(), deviceId);
fail(fwd, ObjectiveError.GROUPMISSING);
return Collections.emptySet();
}
}
}
treatmentBuilder.immediate().transition(ACL_TABLE);
TrafficTreatment filteredTreatment = treatmentBuilder.build();
// Build bridging table entries
FlowRule.Builder flowRuleBuilder = DefaultFlowRule.builder();
flowRuleBuilder.fromApp(fwd.appId())
.withPriority(fwd.priority())
.forDevice(deviceId)
.withSelector(filteredSelector)
.withTreatment(filteredTreatment)
.forTable(BRIDGING_TABLE);
if (fwd.permanent()) {
flowRuleBuilder.makePermanent();
} else {
flowRuleBuilder.makeTemporary(fwd.timeout());
}
rules.add(flowRuleBuilder.build());
return rules;
}
Example 14
| Source File: PipelinerImpl.java From ngsdn-tutorial with Apache License 2.0 | 4 votes |
|
@Override
public void forward(ForwardingObjective obj) {
if (obj.treatment() == null) {
obj.context().ifPresent(c -> c.onError(obj, ObjectiveError.UNSUPPORTED));
}
// Whether this objective specifies an OUTPUT:CONTROLLER instruction.
final boolean hasCloneToCpuAction = obj.treatment()
.allInstructions().stream()
.filter(i -> i.type().equals(OUTPUT))
.map(i -> (Instructions.OutputInstruction) i)
.anyMatch(i -> i.port().equals(PortNumber.CONTROLLER));
if (!hasCloneToCpuAction) {
// We support only objectives for clone to CPU behaviours (e.g. for
// host and link discovery)
obj.context().ifPresent(c -> c.onError(obj, ObjectiveError.UNSUPPORTED));
}
// Create an equivalent FlowRule with same selector and clone_to_cpu action.
final PiAction cloneToCpuAction = PiAction.builder()
.withId(PiActionId.of(CLONE_TO_CPU))
.build();
final FlowRule.Builder ruleBuilder = DefaultFlowRule.builder()
.forTable(PiTableId.of(ACL_TABLE))
.forDevice(deviceId)
.withSelector(obj.selector())
.fromApp(obj.appId())
.withPriority(obj.priority())
.withTreatment(DefaultTrafficTreatment.builder()
.piTableAction(cloneToCpuAction).build());
if (obj.permanent()) {
ruleBuilder.makePermanent();
} else {
ruleBuilder.makeTemporary(obj.timeout());
}
final GroupDescription cloneGroup = Utils.buildCloneGroup(
obj.appId(),
deviceId,
CPU_CLONE_SESSION_ID,
// Ports where to clone the packet.
// Just controller in this case.
Collections.singleton(PortNumber.CONTROLLER));
switch (obj.op()) {
case ADD:
flowRuleService.applyFlowRules(ruleBuilder.build());
groupService.addGroup(cloneGroup);
break;
case REMOVE:
flowRuleService.removeFlowRules(ruleBuilder.build());
groupService.removeGroup(deviceId, cloneGroup.appCookie(), obj.appId());
break;
default:
log.warn("Unknown operation {}", obj.op());
}
obj.context().ifPresent(c -> c.onSuccess(obj));
}
Example 15
| Source File: Ofdpa2Pipeline.java From onos with Apache License 2.0 | 4 votes |
|
/**
* In the OF-DPA 2.0 pipeline, versatile forwarding objectives go to the
* ACL table.
* @param fwd the forwarding objective of type 'versatile'
* @return a collection of flow rules to be sent to the switch. An empty
* collection may be returned if there is a problem in processing
* the flow rule
*/
protected Collection<FlowRule> processVersatile(ForwardingObjective fwd) {
log.debug("Processing versatile forwarding objective:{} in dev:{}",
fwd.id(), deviceId);
List<FlowRule> flowRules = new ArrayList<>();
final AtomicBoolean ethTypeUsed = new AtomicBoolean(false);
if (fwd.nextId() == null && fwd.treatment() == null) {
log.error("Forwarding objective {} from {} must contain "
+ "nextId or Treatment", fwd.selector(), fwd.appId());
fail(fwd, ObjectiveError.BADPARAMS);
return Collections.emptySet();
}
TrafficSelector.Builder sbuilder = DefaultTrafficSelector.builder();
fwd.selector().criteria().forEach(criterion -> {
if (criterion instanceof VlanIdCriterion) {
VlanId vlanId = ((VlanIdCriterion) criterion).vlanId();
// ensure that match does not include vlan = NONE as OF-DPA does not
// match untagged packets this way in the ACL table.
if (vlanId.equals(VlanId.NONE)) {
return;
}
if (requireVlanExtensions()) {
OfdpaMatchVlanVid ofdpaMatchVlanVid = new OfdpaMatchVlanVid(vlanId);
sbuilder.extension(ofdpaMatchVlanVid, deviceId);
} else {
sbuilder.matchVlanId(vlanId);
}
} else if (criterion instanceof Icmpv6TypeCriterion) {
byte icmpv6Type = (byte) ((Icmpv6TypeCriterion) criterion).icmpv6Type();
sbuilder.matchIcmpv6Type(icmpv6Type);
} else if (criterion instanceof Icmpv6CodeCriterion) {
byte icmpv6Code = (byte) ((Icmpv6CodeCriterion) criterion).icmpv6Code();
sbuilder.matchIcmpv6Type(icmpv6Code);
} else if (criterion instanceof TcpPortCriterion || criterion instanceof UdpPortCriterion) {
// FIXME: QMX switches do not support L4 dst port matching in ACL table.
// Currently L4 dst port matching is only used by DHCP relay feature
// and therefore is safe to be replaced with L4 src port matching.
// We need to revisit this if L4 dst port is used for other purpose in the future.
if (!supportIpv6L4Dst() && isIpv6(fwd.selector())) {
switch (criterion.type()) {
case UDP_DST:
case UDP_DST_MASKED:
case TCP_DST:
case TCP_DST_MASKED:
break;
default:
sbuilder.add(criterion);
}
} else {
sbuilder.add(criterion);
}
} else if (criterion instanceof EthTypeCriterion) {
sbuilder.add(criterion);
ethTypeUsed.set(true);
} else {
sbuilder.add(criterion);
}
});
TrafficTreatment.Builder ttBuilder = versatileTreatmentBuilder(fwd);
if (ttBuilder == null) {
return Collections.emptySet();
}
FlowRule.Builder ruleBuilder = DefaultFlowRule.builder()
.fromApp(fwd.appId())
.withPriority(fwd.priority())
.forDevice(deviceId)
.withSelector(sbuilder.build())
.withTreatment(ttBuilder.build())
.makePermanent()
.forTable(ACL_TABLE);
flowRules.add(ruleBuilder.build());
if (!ethTypeUsed.get() && requireEthType()) {
log.debug("{} doesn't match on ethType but requireEthType is true, adding complementary ACL flow.",
sbuilder.toString());
sbuilder.matchEthType(Ethernet.TYPE_IPV6);
FlowRule.Builder ethTypeRuleBuilder = DefaultFlowRule.builder()
.fromApp(fwd.appId())
.withPriority(fwd.priority())
.forDevice(deviceId)
.withSelector(sbuilder.build())
.withTreatment(ttBuilder.build())
.makePermanent()
.forTable(ACL_TABLE);
flowRules.add(ethTypeRuleBuilder.build());
}
return flowRules;
}
Example 16
| Source File: Ofdpa2Pipeline.java From onos with Apache License 2.0 | 4 votes |
|
/**
* In the OF-DPA 2.0 pipeline, egress forwarding objectives go to the
* egress tables.
* @param fwd the forwarding objective of type 'egress'
* @return a collection of flow rules to be sent to the switch. An empty
* collection may be returned if there is a problem in processing
* the flow rule
*/
protected Collection<FlowRule> processEgress(ForwardingObjective fwd) {
log.debug("Processing egress forwarding objective:{} in dev:{}",
fwd, deviceId);
List<FlowRule> rules = new ArrayList<>();
// Build selector
TrafficSelector.Builder sb = DefaultTrafficSelector.builder();
VlanIdCriterion vlanIdCriterion = (VlanIdCriterion) fwd.selector().getCriterion(Criterion.Type.VLAN_VID);
if (vlanIdCriterion == null) {
log.error("Egress forwarding objective:{} must include vlanId", fwd.id());
fail(fwd, ObjectiveError.BADPARAMS);
return rules;
}
Optional<Instruction> outInstr = fwd.treatment().allInstructions().stream()
.filter(instruction -> instruction instanceof OutputInstruction).findFirst();
if (!outInstr.isPresent()) {
log.error("Egress forwarding objective:{} must include output port", fwd.id());
fail(fwd, ObjectiveError.BADPARAMS);
return rules;
}
PortNumber portNumber = ((OutputInstruction) outInstr.get()).port();
sb.matchVlanId(vlanIdCriterion.vlanId());
OfdpaMatchActsetOutput actsetOutput = new OfdpaMatchActsetOutput(portNumber);
sb.extension(actsetOutput, deviceId);
sb.extension(new OfdpaMatchAllowVlanTranslation(ALLOW_VLAN_TRANSLATION), deviceId);
// Build a flow rule for Egress VLAN Flow table
TrafficTreatment.Builder tb = DefaultTrafficTreatment.builder();
tb.transition(EGRESS_DSCP_PCP_REMARK_FLOW_TABLE);
if (fwd.treatment() != null) {
for (Instruction instr : fwd.treatment().allInstructions()) {
if (instr instanceof L2ModificationInstruction &&
((L2ModificationInstruction) instr).subtype() == L2SubType.VLAN_ID) {
tb.immediate().add(instr);
}
if (instr instanceof L2ModificationInstruction &&
((L2ModificationInstruction) instr).subtype() == L2SubType.VLAN_PUSH) {
tb.immediate().pushVlan();
EthType ethType = ((L2ModificationInstruction.ModVlanHeaderInstruction) instr).ethernetType();
if (ethType.equals(EtherType.QINQ.ethType())) {
// Build a flow rule for Egress TPID Flow table
TrafficSelector tpidSelector = DefaultTrafficSelector.builder()
.extension(actsetOutput, deviceId)
.matchVlanId(VlanId.ANY).build();
TrafficTreatment tpidTreatment = DefaultTrafficTreatment.builder()
.extension(new Ofdpa3CopyField(COPY_FIELD_NBITS, COPY_FIELD_OFFSET,
COPY_FIELD_OFFSET, OXM_ID_VLAN_VID,
OXM_ID_PACKET_REG_1),
deviceId)
.popVlan()
.pushVlan(EtherType.QINQ.ethType())
.extension(new Ofdpa3CopyField(COPY_FIELD_NBITS, COPY_FIELD_OFFSET,
COPY_FIELD_OFFSET, OXM_ID_PACKET_REG_1,
OXM_ID_VLAN_VID),
deviceId)
.build();
FlowRule.Builder tpidRuleBuilder = DefaultFlowRule.builder()
.fromApp(fwd.appId())
.withPriority(fwd.priority())
.forDevice(deviceId)
.withSelector(tpidSelector)
.withTreatment(tpidTreatment)
.makePermanent()
.forTable(EGRESS_TPID_FLOW_TABLE);
rules.add(tpidRuleBuilder.build());
}
}
}
}
FlowRule.Builder ruleBuilder = DefaultFlowRule.builder()
.fromApp(fwd.appId())
.withPriority(fwd.priority())
.forDevice(deviceId)
.withSelector(sb.build())
.withTreatment(tb.build())
.makePermanent()
.forTable(EGRESS_VLAN_FLOW_TABLE);
rules.add(ruleBuilder.build());
return rules;
}
Example 17
| Source File: OvsOfdpaPipeline.java From onos with Apache License 2.0 | 4 votes |
|
@Override
protected Collection<FlowRule> processEthDstSpecific(ForwardingObjective fwd) {
List<FlowRule> rules = new ArrayList<>();
// Build filtered selector
TrafficSelector selector = fwd.selector();
EthCriterion ethCriterion = (EthCriterion) selector
.getCriterion(Criterion.Type.ETH_DST);
VlanIdCriterion vlanIdCriterion = (VlanIdCriterion) selector
.getCriterion(VLAN_VID);
if (vlanIdCriterion == null) {
log.warn("Forwarding objective for bridging requires vlan. Not "
+ "installing fwd:{} in dev:{}", fwd.id(), deviceId);
fail(fwd, ObjectiveError.BADPARAMS);
return Collections.emptySet();
}
TrafficSelector.Builder filteredSelectorBuilder =
DefaultTrafficSelector.builder();
// Do not match MacAddress for subnet broadcast entry
if (!ethCriterion.mac().equals(NONE) && !ethCriterion.mac().equals(BROADCAST)) {
filteredSelectorBuilder.matchEthDst(ethCriterion.mac());
log.debug("processing L2 forwarding objective:{} -> next:{} in dev:{}",
fwd.id(), fwd.nextId(), deviceId);
} else {
log.debug("processing L2 Broadcast forwarding objective:{} -> next:{} "
+ "in dev:{} for vlan:{}",
fwd.id(), fwd.nextId(), deviceId, vlanIdCriterion.vlanId());
}
filteredSelectorBuilder.matchVlanId(vlanIdCriterion.vlanId());
TrafficSelector filteredSelector = filteredSelectorBuilder.build();
if (fwd.treatment() != null) {
log.warn("Ignoring traffic treatment in fwd rule {} meant for L2 table"
+ "for dev:{}. Expecting only nextId", fwd.id(), deviceId);
}
TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment.builder();
if (fwd.nextId() != null) {
NextGroup next = getGroupForNextObjective(fwd.nextId());
if (next != null) {
List<Deque<GroupKey>> gkeys = appKryo.deserialize(next.data());
// we only need the top level group's key to point the flow to it
Group group = groupService.getGroup(deviceId, gkeys.get(0).peekFirst());
if (group != null) {
treatmentBuilder.deferred().group(group.id());
} else {
log.warn("Group with key:{} for next-id:{} not found in dev:{}",
gkeys.get(0).peekFirst(), fwd.nextId(), deviceId);
fail(fwd, ObjectiveError.GROUPMISSING);
return Collections.emptySet();
}
}
}
treatmentBuilder.immediate().transition(ACL_TABLE);
TrafficTreatment filteredTreatment = treatmentBuilder.build();
// Build bridging table entries
FlowRule.Builder flowRuleBuilder = DefaultFlowRule.builder();
flowRuleBuilder.fromApp(fwd.appId())
.withPriority(fwd.priority())
.forDevice(deviceId)
.withSelector(filteredSelector)
.withTreatment(filteredTreatment)
.forTable(BRIDGING_TABLE);
if (fwd.permanent()) {
flowRuleBuilder.makePermanent();
} else {
flowRuleBuilder.makeTemporary(fwd.timeout());
}
rules.add(flowRuleBuilder.build());
return rules;
}
Example 18
| Source File: OvsOfdpaPipeline.java From onos with Apache License 2.0 | 4 votes |
|
/**
* In the OF-DPA 2.0 pipeline, egress forwarding objectives go to the
* egress tables.
* @param fwd the forwarding objective of type 'egress'
* @return a collection of flow rules to be sent to the switch. An empty
* collection may be returned if there is a problem in processing
* the flow rule
*/
@Override
protected Collection<FlowRule> processEgress(ForwardingObjective fwd) {
log.debug("Processing egress forwarding objective:{} in dev:{}",
fwd, deviceId);
List<FlowRule> rules = new ArrayList<>();
// Build selector
TrafficSelector.Builder sb = DefaultTrafficSelector.builder();
VlanIdCriterion vlanIdCriterion = (VlanIdCriterion) fwd.selector().getCriterion(Criterion.Type.VLAN_VID);
if (vlanIdCriterion == null) {
log.error("Egress forwarding objective:{} must include vlanId", fwd.id());
fail(fwd, ObjectiveError.BADPARAMS);
return rules;
}
Optional<Instruction> outInstr = fwd.treatment().allInstructions().stream()
.filter(instruction -> instruction instanceof Instructions.OutputInstruction).findFirst();
if (!outInstr.isPresent()) {
log.error("Egress forwarding objective:{} must include output port", fwd.id());
fail(fwd, ObjectiveError.BADPARAMS);
return rules;
}
PortNumber portNumber = ((Instructions.OutputInstruction) outInstr.get()).port();
sb.matchVlanId(vlanIdCriterion.vlanId());
OfdpaMatchActsetOutput actsetOutput = new OfdpaMatchActsetOutput(portNumber);
sb.extension(actsetOutput, deviceId);
// Build a flow rule for Egress VLAN Flow table
TrafficTreatment.Builder tb = DefaultTrafficTreatment.builder();
tb.transition(UNICAST_ROUTING_TABLE_1);
if (fwd.treatment() != null) {
for (Instruction instr : fwd.treatment().allInstructions()) {
if (instr instanceof L2ModificationInstruction &&
((L2ModificationInstruction) instr).subtype() ==
L2ModificationInstruction.L2SubType.VLAN_ID) {
tb.immediate().add(instr);
}
if (instr instanceof L2ModificationInstruction &&
((L2ModificationInstruction) instr).subtype() ==
L2ModificationInstruction.L2SubType.VLAN_PUSH) {
EthType ethType = ((L2ModificationInstruction.ModVlanHeaderInstruction) instr).ethernetType();
tb.immediate().pushVlan(ethType);
}
}
}
FlowRule.Builder ruleBuilder = DefaultFlowRule.builder()
.fromApp(fwd.appId())
.withPriority(fwd.priority())
.forDevice(deviceId)
.withSelector(sb.build())
.withTreatment(tb.build())
.makePermanent()
.forTable(EGRESS_VLAN_FLOW_TABLE_IN_INGRESS);
rules.add(ruleBuilder.build());
return rules;
}
Example 19
| Source File: PipelinerImpl.java From onos-p4-tutorial with Apache License 2.0 | 4 votes |
|
@Override
public void forward(ForwardingObjective obj) {
if (obj.treatment() == null) {
obj.context().ifPresent(c -> c.onError(obj, ObjectiveError.UNSUPPORTED));
}
// Whether this objective specifies an OUTPUT:CONTROLLER instruction.
final boolean hasCloneToCpuAction = obj.treatment()
.allInstructions().stream()
.filter(i -> i.type().equals(OUTPUT))
.map(i -> (Instructions.OutputInstruction) i)
.anyMatch(i -> i.port().equals(PortNumber.CONTROLLER));
if (!hasCloneToCpuAction) {
// We support only objectives for clone to CPU behaviours (e.g. for
// host and link discovery)
obj.context().ifPresent(c -> c.onError(obj, ObjectiveError.UNSUPPORTED));
}
// Create an equivalent FlowRule with same selector and clone_to_cpu action.
final PiAction cloneToCpuAction = PiAction.builder()
.withId(PiActionId.of(CLONE_TO_CPU))
.build();
final FlowRule.Builder ruleBuilder = DefaultFlowRule.builder()
.forTable(PiTableId.of(ACL_TABLE))
.forDevice(deviceId)
.withSelector(obj.selector())
.fromApp(obj.appId())
.withPriority(obj.priority())
.withTreatment(DefaultTrafficTreatment.builder()
.piTableAction(cloneToCpuAction).build());
if (obj.permanent()) {
ruleBuilder.makePermanent();
} else {
ruleBuilder.makeTemporary(obj.timeout());
}
final GroupDescription cloneGroup = Utils.buildCloneGroup(
obj.appId(),
deviceId,
CPU_CLONE_SESSION_ID,
// Ports where to clone the packet.
// Just controller in this case.
Collections.singleton(PortNumber.CONTROLLER));
switch (obj.op()) {
case ADD:
flowRuleService.applyFlowRules(ruleBuilder.build());
groupService.addGroup(cloneGroup);
break;
case REMOVE:
flowRuleService.removeFlowRules(ruleBuilder.build());
groupService.removeGroup(deviceId, cloneGroup.appCookie(), obj.appId());
break;
default:
log.warn("Unknown operation {}", obj.op());
}
obj.context().ifPresent(c -> c.onSuccess(obj));
}
Example 20
| Source File: PipelinerImpl.java From onos-p4-tutorial with Apache License 2.0 | 4 votes |
|
@Override
public void forward(ForwardingObjective obj) {
if (obj.treatment() == null) {
obj.context().ifPresent(c -> c.onError(obj, ObjectiveError.UNSUPPORTED));
}
// Whether this objective specifies an OUTPUT:CONTROLLER instruction.
final boolean hasCloneToCpuAction = obj.treatment()
.allInstructions().stream()
.filter(i -> i.type().equals(OUTPUT))
.map(i -> (Instructions.OutputInstruction) i)
.anyMatch(i -> i.port().equals(PortNumber.CONTROLLER));
if (!hasCloneToCpuAction) {
// We support only objectives for clone to CPU behaviours (e.g. for
// host and link discovery)
obj.context().ifPresent(c -> c.onError(obj, ObjectiveError.UNSUPPORTED));
}
// Create an equivalent FlowRule with same selector and clone_to_cpu action.
final PiAction cloneToCpuAction = PiAction.builder()
.withId(PiActionId.of(CLONE_TO_CPU))
.build();
final FlowRule.Builder ruleBuilder = DefaultFlowRule.builder()
.forTable(PiTableId.of(ACL_TABLE))
.forDevice(deviceId)
.withSelector(obj.selector())
.fromApp(obj.appId())
.withPriority(obj.priority())
.withTreatment(DefaultTrafficTreatment.builder()
.piTableAction(cloneToCpuAction).build());
if (obj.permanent()) {
ruleBuilder.makePermanent();
} else {
ruleBuilder.makeTemporary(obj.timeout());
}
final GroupDescription cloneGroup = Utils.buildCloneGroup(
obj.appId(),
deviceId,
CPU_CLONE_SESSION_ID,
// Ports where to clone the packet.
// Just controller in this case.
Collections.singleton(PortNumber.CONTROLLER));
switch (obj.op()) {
case ADD:
flowRuleService.applyFlowRules(ruleBuilder.build());
groupService.addGroup(cloneGroup);
break;
case REMOVE:
flowRuleService.removeFlowRules(ruleBuilder.build());
groupService.removeGroup(deviceId, cloneGroup.appCookie(), obj.appId());
break;
default:
log.warn("Unknown operation {}", obj.op());
}
obj.context().ifPresent(c -> c.onSuccess(obj));
}
