Broadcast/Unknown unicast support. Also added LLDP punt to Controller.
[netvirt.git] / neutron / src / main / java / org / opendaylight / ovsdb / neutron / provider / OF10ProviderManager.java
index 152ba0a44eacd30b6db1a7445b2a2321b6cac6ac..75297c826a44345168f4f95bbdde45c595f8d565 100644 (file)
@@ -1,11 +1,18 @@
 package org.opendaylight.ovsdb.neutron.provider;
 
+import java.math.BigInteger;
 import java.net.InetAddress;
+import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
+import org.opendaylight.controller.forwardingrulesmanager.FlowConfig;
+import org.opendaylight.controller.forwardingrulesmanager.IForwardingRulesManager;
+import org.opendaylight.controller.sal.action.ActionType;
 import org.opendaylight.controller.sal.core.Node;
+import org.opendaylight.controller.sal.utils.HexEncode;
 import org.opendaylight.controller.sal.utils.ServiceHelper;
 import org.opendaylight.controller.sal.utils.Status;
 import org.opendaylight.controller.sal.utils.StatusCode;
@@ -27,6 +34,7 @@ import org.slf4j.LoggerFactory;
 
 class OF10ProviderManager extends ProviderNetworkManager {
     private static final Logger logger = LoggerFactory.getLogger(OF10ProviderManager.class);
+    Map<NodeVlan, FlowConfig> floodEntries = new HashMap<NodeVlan, FlowConfig>();
 
     @Override
     public boolean hasPerTenantTunneling() {
@@ -46,7 +54,7 @@ class OF10ProviderManager extends ProviderNetworkManager {
                 return new Status(StatusCode.NOTACCEPTABLE, node+" is not Overlay ready");
             }
         } catch (Exception e) {
-            logger.error(node+" is not Overlay ready");
+            logger.error(node+" is not Overlay ready due to exception", e);
             return new Status(StatusCode.NOTACCEPTABLE, node+" is not Overlay ready");
         }
 
@@ -57,8 +65,235 @@ class OF10ProviderManager extends ProviderNetworkManager {
         return new Status(StatusCode.SUCCESS);
     }
 
+    /**
+     * Program OF1.0 Flow rules on br-tun on the ingress direction from the network towards the br-int.
+     * The logic is to simply match on the incoming tunnel OF-Port (which carries the TenantNetwork GRE-Key)
+     * and rewrite the Corresponding internal Vlan and pass it on to br-int via the patch port.
+     */
+    private void programLocalIngressTunnelBridgeRules(Node node, int tunnelOFPort, int internalVlan, int patchPort) {
+        String brIntId = InternalNetworkManager.getManager().getInternalBridgeUUID(node, AdminConfigManager.getManager().getTunnelBridgeName());
+        if (brIntId == null) {
+            logger.error("Failed to initialize Flow Rules for {}", node);
+            return;
+        }
+        try {
+            String flowName = "TepMatch"+tunnelOFPort+""+internalVlan;
+            OVSDBConfigService ovsdbTable = (OVSDBConfigService)ServiceHelper.getGlobalInstance(OVSDBConfigService.class, this);
+            Bridge bridge = (Bridge) ovsdbTable.getRow(node, Bridge.NAME.getName(), brIntId);
+            Set<String> dpids = bridge.getDatapath_id();
+            if (dpids == null || dpids.size() ==  0) return;
+            Long dpidLong = Long.valueOf(HexEncode.stringToLong((String)dpids.toArray()[0]));
+            Node ofNode = new Node(Node.NodeIDType.OPENFLOW, dpidLong);
+            IForwardingRulesManager frm = (IForwardingRulesManager) ServiceHelper.getInstance(
+                    IForwardingRulesManager.class, "default", this);
+            if (frm.getStaticFlow(flowName, ofNode) != null) {
+                logger.debug("Local Ingress Flow exists : {} for Flow {} on {} / {}", flowName, ofNode, node);
+                return;
+            }
+
+            FlowConfig flow = new FlowConfig();
+            flow.setName(flowName);
+            flow.setNode(ofNode);
+            flow.setPriority("100");
+            flow.setIngressPort(tunnelOFPort+"");
+            List<String> actions = new ArrayList<String>();
+            actions.add(ActionType.SET_VLAN_ID+"="+internalVlan);
+            actions.add(ActionType.OUTPUT.toString()+"="+patchPort);
+            flow.setActions(actions);
+            Status status = frm.addStaticFlow(flow);
+            logger.debug("Local Ingress Flow Programming Status {} for Flow {} on {} / {}", status, flow, ofNode, node);
+        } catch (Exception e) {
+            logger.error("Failed to initialize Flow Rules for {}", node, e);
+        }
+    }
+
+    /**
+     * Program OF1.0 Flow rules on br-tun on the remote Node on its egress direction towards the overlay network
+     * for a VM (with the attachedMac).
+     * The logic is to simply match on the incoming vlan, mac from the patch-port connected to br-int (patch-int)
+     * and output the traffic to the appropriate GRE Tunnel (which carries the GRE-Key for that Tenant Network).
+     * Also perform the Strip-Vlan action.
+     */
+    private void programRemoteEgressTunnelBridgeRules(Node node, int patchPort, String attachedMac,
+            int internalVlan, int tunnelOFPort) {
+        String brIntId = InternalNetworkManager.getManager().getInternalBridgeUUID(node, AdminConfigManager.getManager().getTunnelBridgeName());
+        if (brIntId == null) {
+            logger.error("Failed to initialize Flow Rules for {}", node);
+            return;
+        }
+        try {
+            OVSDBConfigService ovsdbTable = (OVSDBConfigService)ServiceHelper.getGlobalInstance(OVSDBConfigService.class, this);
+            Bridge bridge = (Bridge) ovsdbTable.getRow(node, Bridge.NAME.getName(), brIntId);
+            Set<String> dpids = bridge.getDatapath_id();
+            if (dpids == null || dpids.size() ==  0) return;
+            Long dpidLong = Long.valueOf(HexEncode.stringToLong((String)dpids.toArray()[0]));
+            Node ofNode = new Node(Node.NodeIDType.OPENFLOW, dpidLong);
+            String flowName = "TepMatch"+tunnelOFPort+""+internalVlan+""+HexEncode.stringToLong(attachedMac);
+            IForwardingRulesManager frm = (IForwardingRulesManager) ServiceHelper.getInstance(
+                    IForwardingRulesManager.class, "default", this);
+            if (frm.getStaticFlow(flowName, ofNode) != null) {
+                logger.debug("Remove Egress Flow exists : {} for Flow {} on {} / {}", flowName, ofNode, node);
+                return;
+            }
+            FlowConfig flow = new FlowConfig();
+            flow.setName(flowName);
+            flow.setNode(ofNode);
+            flow.setPriority("100");
+            flow.setDstMac(attachedMac);
+            flow.setIngressPort(patchPort+"");
+            flow.setVlanId(internalVlan+"");
+            List<String> actions = new ArrayList<String>();
+            actions.add(ActionType.POP_VLAN.toString());
+            actions.add(ActionType.OUTPUT.toString()+"="+tunnelOFPort);
+            flow.setActions(actions);
+            Status status = frm.addStaticFlow(flow);
+            logger.debug("Remote Egress Flow Programming Status {} for Flow {} on {} / {}", status, flow, ofNode, node);
+        } catch (Exception e) {
+            logger.error("Failed to initialize Flow Rules for {}", node, e);
+        }
+    }
+
+    /**
+     * Program OF1.0 Flow rules to flood the broadcast & unknown-unicast traffic over br-tun on the egress direction
+     * towards the network on all the overlay tunnels that corresponds to the tenant network.
+     * The logic is to simply match on the incoming vlan, mac from the patch-port connected to br-int (patch-int)
+     * and output the traffic to all the GRE-Tunnels for this Tenant Network (which carries the GRE-Key).
+     * Also perform the Strip-Vlan action.
+     */
+    private void programFloodEgressTunnelBridgeRules(Node node, int patchPort, int internalVlan, int tunnelOFPort) {
+        String brIntId = InternalNetworkManager.getManager().getInternalBridgeUUID(node, AdminConfigManager.getManager().getTunnelBridgeName());
+        if (brIntId == null) {
+            logger.error("Failed to initialize Flow Rules for {}", node);
+            return;
+        }
+        try {
+            OVSDBConfigService ovsdbTable = (OVSDBConfigService)ServiceHelper.getGlobalInstance(OVSDBConfigService.class, this);
+            Bridge bridge = (Bridge) ovsdbTable.getRow(node, Bridge.NAME.getName(), brIntId);
+            Set<String> dpids = bridge.getDatapath_id();
+            if (dpids == null || dpids.size() ==  0) return;
+            Long dpidLong = Long.valueOf(HexEncode.stringToLong((String)dpids.toArray()[0]));
+            Node ofNode = new Node(Node.NodeIDType.OPENFLOW, dpidLong);
+            NodeVlan nv = new NodeVlan(ofNode, internalVlan);
+            FlowConfig existingFlowConfig = floodEntries.get(nv);
+            IForwardingRulesManager frm = (IForwardingRulesManager) ServiceHelper.getInstance(
+                    IForwardingRulesManager.class, "default", this);
+            FlowConfig flow = existingFlowConfig;
+            Status status = null;
+            if (flow == null) {
+                flow = new FlowConfig();
+                flow.setName("TepFlood"+internalVlan);
+                flow.setNode(ofNode);
+                flow.setPriority("1");
+                flow.setIngressPort(patchPort+"");
+                flow.setVlanId(internalVlan+"");
+                List<String> actions = new ArrayList<String>();
+                actions.add(ActionType.POP_VLAN.toString());
+                actions.add(ActionType.OUTPUT.toString()+"="+tunnelOFPort);
+                flow.setActions(actions);
+                status = frm.addStaticFlow(flow);
+                logger.debug("Add Flood Egress Flow Programming Status {} for Flow {} on {} / {}",
+                              status, flow, ofNode, node);
+            } else {
+                flow = new FlowConfig(existingFlowConfig);
+                List<String> actions = flow.getActions();
+                String outputPort = ActionType.OUTPUT.toString()+"="+tunnelOFPort;
+                if (actions != null && !actions.contains(outputPort)) {
+                    actions.add(outputPort);
+                    flow.setActions(actions);
+                } else {
+                    return;
+                }
+                status = frm.modifyStaticFlow(flow);
+                logger.debug("Modify Flood Egress Flow Programming Status {} for Flow {} on {} / {}",
+                              status, flow, ofNode, node);
+            }
+            if (status.isSuccess()) {
+                floodEntries.put(nv, flow);
+            }
+
+        } catch (Exception e) {
+            logger.error("Failed to initialize Flow Rules for {}", node, e);
+        }
+    }
+
+    private void programTunnelRules (String tunnelType, String segmentationId, InetAddress dst, Node node,
+                                     Interface intf, boolean local) {
+        String networkId = TenantNetworkManager.getManager().getNetworkIdForSegmentationId(segmentationId);
+        if (networkId == null) {
+            logger.debug("Tenant Network not found with Segmenation-id {}",segmentationId);
+            return;
+        }
+        int internalVlan = TenantNetworkManager.getManager().getInternalVlan(networkId);
+        if (internalVlan == 0) {
+            logger.debug("No InternalVlan provisioned for Tenant Network {}",networkId);
+            return;
+        }
+        Map<String, String> externalIds = intf.getExternal_ids();
+        if (externalIds == null) {
+            logger.error("No external_ids seen in {}", intf);
+            return;
+        }
+
+        String attachedMac = externalIds.get(TenantNetworkManager.EXTERNAL_ID_VM_MAC);
+        if (attachedMac == null) {
+            logger.error("No AttachedMac seen in {}", intf);
+            return;
+        }
+        String patchInt = AdminConfigManager.getManager().getPatchToIntegration();
+
+        int patchOFPort = -1;
+        try {
+            OVSDBConfigService ovsdbTable = (OVSDBConfigService)ServiceHelper.getGlobalInstance(OVSDBConfigService.class, this);
+            Map<String, Table<?>> intfs = ovsdbTable.getRows(node, Interface.NAME.getName());
+            if (intfs != null) {
+                for (Table<?> row : intfs.values()) {
+                    Interface patchIntf = (Interface)row;
+                    if (patchIntf.getName().equalsIgnoreCase(patchInt)) {
+                        Set<BigInteger> of_ports = patchIntf.getOfport();
+                        if (of_ports == null || of_ports.size() <= 0) {
+                            logger.error("Could NOT Identified Patch port {} -> OF ({}) on {}", patchInt, node);
+                            continue;
+                        }
+                        patchOFPort = Long.valueOf(((BigInteger)of_ports.toArray()[0]).longValue()).intValue();
+                        logger.debug("Identified Patch port {} -> OF ({}) on {}", patchInt, patchOFPort, node);
+                        break;
+                    }
+                }
+                if (patchOFPort == -1) {
+                    logger.error("Cannot identify {} interface on {}", patchInt, node);
+                }
+                for (Table<?> row : intfs.values()) {
+                    Interface tunIntf = (Interface)row;
+                    if (tunIntf.getName().equals(this.getTunnelName(tunnelType, segmentationId, dst))) {
+                        Set<BigInteger> of_ports = tunIntf.getOfport();
+                        if (of_ports == null || of_ports.size() <= 0) {
+                            logger.error("Could NOT Identify Tunnel port {} on {}", tunIntf.getName(), node);
+                            continue;
+                        }
+                        int tunnelOFPort = Long.valueOf(((BigInteger)of_ports.toArray()[0]).longValue()).intValue();
+
+                        if (tunnelOFPort == -1) {
+                            logger.error("Could NOT Identify Tunnel port {} -> OF ({}) on {}", tunIntf.getName(), tunnelOFPort, node);
+                            return;
+                        }
+                        logger.debug("Identified Tunnel port {} -> OF ({}) on {}", tunIntf.getName(), tunnelOFPort, node);
+
+                        if (!local) {
+                            programRemoteEgressTunnelBridgeRules(node, patchOFPort, attachedMac, internalVlan, tunnelOFPort);
+                        }
+                        programLocalIngressTunnelBridgeRules(node, tunnelOFPort, internalVlan, patchOFPort);
+                        programFloodEgressTunnelBridgeRules(node, patchOFPort, internalVlan, tunnelOFPort);
+                        return;
+                    }
+                }
+            }
+        } catch (Exception e) {
+            logger.error("", e);
+        }
+    }
+
     @Override
-    public Status createTunnels(String tunnelType, String tunnelKey, Node srcNode) {
+    public Status createTunnels(String tunnelType, String tunnelKey, Node srcNode, Interface intf) {
         Status status = getTunnelReadinessStatus(srcNode, tunnelKey);
         if (!status.isSuccess()) return status;
 
@@ -70,12 +305,41 @@ class OF10ProviderManager extends ProviderNetworkManager {
             if (!status.isSuccess()) continue;
             InetAddress src = AdminConfigManager.getManager().getTunnelEndPoint(srcNode);
             InetAddress dst = AdminConfigManager.getManager().getTunnelEndPoint(dstNode);
-            addTunnelPort(srcNode, tunnelType, src, dst, tunnelKey);
+            status = addTunnelPort(srcNode, tunnelType, src, dst, tunnelKey);
+            if (status.isSuccess()) {
+                this.programTunnelRules(tunnelType, tunnelKey, dst, srcNode, intf, true);
+            }
             addTunnelPort(dstNode, tunnelType, dst, src, tunnelKey);
+            if (status.isSuccess()) {
+                this.programTunnelRules(tunnelType, tunnelKey, src, dstNode, intf, false);
+            }
         }
         return new Status(StatusCode.SUCCESS);
     }
 
+    private String getTunnelName(String tunnelType, String key, InetAddress dst) {
+        return tunnelType+"-"+key+"-"+dst.getHostAddress();
+    }
+
+    private Interface getTunnelInterface (Node node, String tunnelType, InetAddress dst, String key) {
+        try {
+            OVSDBConfigService ovsdbTable = (OVSDBConfigService)ServiceHelper.getGlobalInstance(OVSDBConfigService.class, this);
+            String portName = getTunnelName(tunnelType, key, dst);
+
+            Map<String, Table<?>> tunIntfs = ovsdbTable.getRows(node, Interface.NAME.getName());
+            if (tunIntfs != null) {
+                for (Table<?> row : tunIntfs.values()) {
+                    Interface tunIntf = (Interface)row;
+                    if (tunIntf.getName().equals(portName)) return tunIntf;
+                }
+
+            }
+        } catch (Exception e) {
+            logger.error("", e);
+        }
+        return null;
+    }
+
     private boolean isTunnelPresent(Node node, String tunnelName, String bridgeUUID) throws Exception {
         OVSDBConfigService ovsdbTable = (OVSDBConfigService)ServiceHelper.getGlobalInstance(OVSDBConfigService.class, this);
         Bridge bridge = (Bridge)ovsdbTable.getRow(node, Bridge.NAME.getName(), bridgeUUID);
@@ -108,7 +372,7 @@ class OF10ProviderManager extends ProviderNetworkManager {
                 logger.error("Could not find Bridge {} in {}", tunnelBridgeName, node);
                 return new Status(StatusCode.NOTFOUND, "Could not find "+tunnelBridgeName+" in "+node);
             }
-            String portName = tunnelType+"-"+key+"-"+dst.getHostAddress();
+            String portName = getTunnelName(tunnelType, key, dst);
 
             if (this.isTunnelPresent(node, portName, bridgeUUID)) {
                 logger.trace("Tunnel {} is present in {} of {}", portName, tunnelBridgeName, node);
@@ -167,8 +431,54 @@ class OF10ProviderManager extends ProviderNetworkManager {
         IConnectionServiceInternal connectionService = (IConnectionServiceInternal)ServiceHelper.getGlobalInstance(IConnectionServiceInternal.class, this);
         List<Node> nodes = connectionService.getNodes();
         for (Node srcNode : nodes) {
-            this.createTunnels(tunnelType, tunnelKey, srcNode);
+            this.createTunnels(tunnelType, tunnelKey, srcNode, null);
+        }
+        return new Status(StatusCode.SUCCESS);
+    }
+
+    private class NodeVlan {
+        Node node;
+        int vlan;
+        public NodeVlan(Node node, int vlan) {
+            super();
+            this.node = node;
+            this.vlan = vlan;
+        }
+        public Node getNode() {
+            return node;
+        }
+        public int getVlan() {
+            return vlan;
+        }
+        @Override
+        public String toString() {
+            return "NodeVlan [node=" + node + ", vlan=" + vlan + "]";
+        }
+        @Override
+        public int hashCode() {
+            final int prime = 31;
+            int result = 1;
+            result = prime * result + ((node == null) ? 0 : node.hashCode());
+            result = prime * result + vlan;
+            return result;
+        }
+        @Override
+        public boolean equals(Object obj) {
+            if (this == obj)
+                return true;
+            if (obj == null)
+                return false;
+            if (getClass() != obj.getClass())
+                return false;
+            NodeVlan other = (NodeVlan) obj;
+            if (node == null) {
+                if (other.node != null)
+                    return false;
+            } else if (!node.equals(other.node))
+                return false;
+            if (vlan != other.vlan)
+                return false;
+            return true;
         }
-        return null;
     }
 }