Ejemplo n.º 1
0
// Install all flow actions
func (self *Flow) installFlowActions(flowMod *openflow13.FlowMod,
	instr openflow13.Instruction) error {
	var actInstr openflow13.Instruction
	var addActn bool = false

	// Create a apply_action instruction to be used if its not already created
	switch instr.(type) {
	case *openflow13.InstrActions:
		actInstr = instr
	default:
		actInstr = openflow13.NewInstrApplyActions()
	}

	// Loop thru all actions
	for _, flowAction := range self.flowActions {
		switch flowAction.actionType {
		case "setVlan":
			// Push Vlan Tag action
			pushVlanAction := openflow13.NewActionPushVlan(0x8100)

			// Set Outer vlan tag field
			vlanField := openflow13.NewVlanIdField(flowAction.vlanId)
			setVlanAction := openflow13.NewActionSetField(*vlanField)

			// Prepend push vlan & setvlan actions to existing instruction
			actInstr.AddAction(setVlanAction, true)
			actInstr.AddAction(pushVlanAction, true)
			addActn = true

			log.Debugf("flow install. Added pushvlan action: %+v, setVlan actions: %+v",
				pushVlanAction, setVlanAction)

		case "popVlan":
			// Create pop vln action
			popVlan := openflow13.NewActionPopVlan()

			// Add it to instruction
			actInstr.AddAction(popVlan, true)
			addActn = true

			log.Debugf("flow install. Added popVlan action: %+v", popVlan)

		case "setMacDa":
			// Set Outer MacDA field
			macDaField := openflow13.NewEthDstField(flowAction.macAddr, nil)
			setMacDaAction := openflow13.NewActionSetField(*macDaField)

			// Add set macDa action to the instruction
			actInstr.AddAction(setMacDaAction, true)
			addActn = true

			log.Debugf("flow install. Added setMacDa action: %+v", setMacDaAction)

		case "setMacSa":
			// Set Outer MacSA field
			macSaField := openflow13.NewEthSrcField(flowAction.macAddr, nil)
			setMacSaAction := openflow13.NewActionSetField(*macSaField)

			// Add set macDa action to the instruction
			actInstr.AddAction(setMacSaAction, true)
			addActn = true

			log.Debugf("flow install. Added setMacSa Action: %+v", setMacSaAction)

		case "setTunnelId":
			// Set tunnelId field
			tunnelIdField := openflow13.NewTunnelIdField(flowAction.tunnelId)
			setTunnelAction := openflow13.NewActionSetField(*tunnelIdField)

			// Add set tunnel action to the instruction
			actInstr.AddAction(setTunnelAction, true)
			addActn = true

			log.Debugf("flow install. Added setTunnelId Action: %+v", setTunnelAction)

		case "setMetadata":
			// Set Metadata instruction
			metadataInstr := openflow13.NewInstrWriteMetadata(flowAction.metadata, flowAction.metadataMask)

			// Add the instruction to flowmod
			flowMod.AddInstruction(metadataInstr)

		default:
			log.Fatalf("Unknown action type %s", flowAction.actionType)
		}
	}

	// Add the instruction to flow if its not already added
	if (addActn) && (actInstr != instr) {
		// Add the instrction to flowmod
		flowMod.AddInstruction(actInstr)
	}

	return nil
}
Ejemplo n.º 2
0
// Install all flow actions
func (self *Flow) installFlowActions(flowMod *openflow13.FlowMod,
	instr openflow13.Instruction) error {
	var actInstr openflow13.Instruction
	var addActn bool = false

	// Create a apply_action instruction to be used if its not already created
	switch instr.(type) {
	case *openflow13.InstrActions:
		actInstr = instr
	default:
		actInstr = openflow13.NewInstrApplyActions()
	}

	// Loop thru all actions
	for _, flowAction := range self.flowActions {
		switch flowAction.actionType {
		case "pushMpls": //SRTE
			// Push mpls Tag action
			pushMplsAction := openflow13.NewActionPushMpls(0x8847)

			// Set Outer mpls label field
			mplsLabelField := openflow13.NewMplsLabelField(flowAction.mplsLabel)
			setMplsAction := openflow13.NewActionSetField(*mplsLabelField)

			// Prepend push mpls & setlabel actions to existing instruction
			actInstr.AddAction(setMplsAction, true)
			actInstr.AddAction(pushMplsAction, true)

			addActn = true

			log.Debugf("flow install. Added mpls action: %+v, setMpls actions: %+v",
				pushMplsAction, setMplsAction)
		case "popVlanPushMpls": //SRTE
			// Push mpls Tag action
			pushMplsAction := openflow13.NewActionPushMpls(0x8847)

			// Set Outer mpls label field
			mplsLabelField := openflow13.NewMplsLabelField(flowAction.mplsLabel)
			setMplsAction := openflow13.NewActionSetField(*mplsLabelField)

			// Prepend push mpls & setlabel actions to existing instruction
			actInstr.AddAction(setMplsAction, true)
			actInstr.AddAction(pushMplsAction, true)

			// Create pop vlan action
			popVlan := openflow13.NewActionPopVlan()

			// Add it to instruction
			actInstr.AddAction(popVlan, true)

			addActn = true

			log.Debugf("flow install. Added pop vlan action: %+v,  and Added mpls action: %+v, setMpls actions: %+v",
				popVlan, pushMplsAction, setMplsAction)
		case "popMplsPushVlan": //SRTE
			// Push Vlan Tag action
			pushVlanAction := openflow13.NewActionPushVlan(0x8100)

			// Set Outer vlan tag field
			vlanField := openflow13.NewVlanIdField(flowAction.vlanId, nil)
			setVlanAction := openflow13.NewActionSetField(*vlanField)

			// Prepend push vlan & setvlan actions to existing instruction
			actInstr.AddAction(setVlanAction, true)
			actInstr.AddAction(pushVlanAction, true)

			//popmpls action
			popMplsAction := openflow13.NewActionPopMpls(0x0800)

			actInstr.AddAction(popMplsAction, true)

			addActn = true
			log.Debugf("flow install. Added pop mpls action: %+v,  and Added push vlan action: %+v, setVlan actions: %+v",
				popMplsAction, setVlanAction, vlanField)
		case "swapMpls": //SRTE - Test this
			// Set Outer mpls label field
			mplsLabelField := openflow13.NewMplsLabelField(flowAction.mplsLabel)
			setMplsAction := openflow13.NewActionSetField(*mplsLabelField)

			// Prepend push mpls & setlabel actions to existing instruction
			actInstr.AddAction(setMplsAction, true)

			addActn = true

			log.Debugf("flow install. Added swap mpls - setMpls actions: %+v", setMplsAction)
		case "popMpls": //SRTE
			// Pop mpls Tag action
			popMplsAction := openflow13.NewActionPopMpls(0x0800)

			actInstr.AddAction(popMplsAction, true)

			addActn = true

			log.Debugf("flow install. Pop mpls action: %+v",
				popMplsAction)
		case "setVlan":
			// Push Vlan Tag action
			pushVlanAction := openflow13.NewActionPushVlan(0x8100)

			// Set Outer vlan tag field
			vlanField := openflow13.NewVlanIdField(flowAction.vlanId, nil)
			setVlanAction := openflow13.NewActionSetField(*vlanField)

			// Prepend push vlan & setvlan actions to existing instruction
			actInstr.AddAction(setVlanAction, true)
			actInstr.AddAction(pushVlanAction, true)
			addActn = true

			log.Debugf("flow install. Added pushvlan action: %+v, setVlan actions: %+v",
				pushVlanAction, setVlanAction)

		case "popVlan":
			// Create pop vln action
			popVlan := openflow13.NewActionPopVlan()

			// Add it to instruction
			actInstr.AddAction(popVlan, true)
			addActn = true

			log.Debugf("flow install. Added popVlan action: %+v", popVlan)

		case "setMacDa":
			// Set Outer MacDA field
			macDaField := openflow13.NewEthDstField(flowAction.macAddr, nil)
			setMacDaAction := openflow13.NewActionSetField(*macDaField)

			// Add set macDa action to the instruction
			actInstr.AddAction(setMacDaAction, true)
			addActn = true

			log.Debugf("flow install. Added setMacDa action: %+v", setMacDaAction)

		case "setMacSa":
			// Set Outer MacSA field
			macSaField := openflow13.NewEthSrcField(flowAction.macAddr, nil)
			setMacSaAction := openflow13.NewActionSetField(*macSaField)

			// Add set macDa action to the instruction
			actInstr.AddAction(setMacSaAction, true)
			addActn = true

			log.Debugf("flow install. Added setMacSa Action: %+v", setMacSaAction)

		case "setTunnelId":
			// Set tunnelId field
			tunnelIdField := openflow13.NewTunnelIdField(flowAction.tunnelId)
			setTunnelAction := openflow13.NewActionSetField(*tunnelIdField)

			// Add set tunnel action to the instruction
			actInstr.AddAction(setTunnelAction, true)
			addActn = true

			log.Debugf("flow install. Added setTunnelId Action: %+v", setTunnelAction)

		case "setMetadata":
			// Set Metadata instruction
			metadataInstr := openflow13.NewInstrWriteMetadata(flowAction.metadata, flowAction.metadataMask)

			// Add the instruction to flowmod
			flowMod.AddInstruction(metadataInstr)

		case "setIPSa":
			// Set IP src
			ipSaField := openflow13.NewIpv4SrcField(flowAction.ipAddr, nil)
			setIPSaAction := openflow13.NewActionSetField(*ipSaField)

			// Add set action to the instruction
			actInstr.AddAction(setIPSaAction, true)
			addActn = true

			log.Debugf("flow install. Added setIPSa Action: %+v", setIPSaAction)

		case "setIPDa":
			// Set IP dst
			ipDaField := openflow13.NewIpv4DstField(flowAction.ipAddr, nil)
			setIPDaAction := openflow13.NewActionSetField(*ipDaField)

			// Add set action to the instruction
			actInstr.AddAction(setIPDaAction, true)
			addActn = true

			log.Debugf("flow install. Added setIPDa Action: %+v", setIPDaAction)

		case "setTCPSrc":
			// Set TCP src
			tcpSrcField := openflow13.NewTcpSrcField(flowAction.l4Port)
			setTCPSrcAction := openflow13.NewActionSetField(*tcpSrcField)

			// Add set action to the instruction
			actInstr.AddAction(setTCPSrcAction, true)
			addActn = true

			log.Debugf("flow install. Added setTCPSrc Action: %+v", setTCPSrcAction)

		case "setTCPDst":
			// Set TCP dst
			tcpDstField := openflow13.NewTcpDstField(flowAction.l4Port)
			setTCPDstAction := openflow13.NewActionSetField(*tcpDstField)

			// Add set action to the instruction
			actInstr.AddAction(setTCPDstAction, true)
			addActn = true

			log.Debugf("flow install. Added setTCPDst Action: %+v", setTCPDstAction)

		case "setUDPSrc":
			// Set UDP src
			udpSrcField := openflow13.NewUdpSrcField(flowAction.l4Port)
			setUDPSrcAction := openflow13.NewActionSetField(*udpSrcField)

			// Add set action to the instruction
			actInstr.AddAction(setUDPSrcAction, true)
			addActn = true

			log.Debugf("flow install. Added setUDPSrc Action: %+v", setUDPSrcAction)

		case "setUDPDst":
			// Set UDP dst
			udpDstField := openflow13.NewUdpDstField(flowAction.l4Port)
			setUDPDstAction := openflow13.NewActionSetField(*udpDstField)

			// Add set action to the instruction
			actInstr.AddAction(setUDPDstAction, true)
			addActn = true

			log.Debugf("flow install. Added setUDPDst Action: %+v", setUDPDstAction)

		default:
			log.Fatalf("Unknown action type %s", flowAction.actionType)
		}
	}

	// Add the instruction to flow if its not already added
	if (addActn) && (actInstr != instr) {
		// Add the instrction to flowmod
		flowMod.AddInstruction(actInstr)
	}

	return nil
}