Support of OSPFv2 OTG Model

[SuryyaKrJana]

Redocly Link: https://redocly.github.io/redoc/?url=https://raw.githubusercontent.com/open-traffic-generator/models/ospfv2/artifacts/openapi.yaml&nocors

OTG-PORT-1-OSPFv2 <-----------------------> DUT <-------------------------> OTG-PORT-2-OSPFv2

func Ospfv2P2PRoutesConfig(client *api.ApiClient, routes uint32) gosnappi.Config {
       config := gosnappi.NewConfig()

	// add ports
	p1 := config.Ports().Add().SetName("p1").SetLocation(opts.IxiaCPorts()[0])
	p2 := config.Ports().Add().SetName("p2").SetLocation(opts.IxiaCPorts()[1])

	// add devices
	d1 := config.Devices().Add().SetName("p1d1")
	d2 := config.Devices().Add().SetName("p2d1")

	// add protocol stacks for device d1
	d1Eth1 := d1.Ethernets().
		Add().
		SetName("p1d1Eth1").
		SetMac("00:00:01:01:01:01").
		SetMtu(1500)

	d1Eth1.Connection().SetPortName(p1.Name())

	d1Eth1.
		Ipv4Addresses().
		Add().
		SetName("p1d1ipv4").
		SetAddress("1.1.1.2").
		SetGateway("1.1.1.1").
		SetPrefix(24)

	/* Ospfv2 router configuration on port 1 */

	// router id default as Interface-IP.
	d1ospfv2 := d1.Ospfv2().
		SetName("p1d1ospfv2")

	// Enable optional Learned Information filter
	d1ospfv2.SetStoreLsa(true)

	// Set optional timers
	d1ospfv2.
		SetLsaRetransmitTime(1).
		SetLsaRefreshTime(5).
		SetInterBurstLsuInterval(50).
		SetMaxFloodLsuPerBurst(10)

	// Set optional graceful restart mode
	d1ospfv2.GracefulRestart().SetHelperMode(true)

	// Set optional capabilities parameters.
	d1ospfv2.Capabilities().
		SetTBit(true).
		SetEBit(true).
		SetMcBit(true).
		SetNpBit(true).
		SetEaBit(true).
		SetDcBit(true).
		SetOBit(true).
		SetUnusedBit(true).
		SetLsaBBit(true).
		SetLsaEBit(true)

	// Ospfv2 Interface
	d1ospfv2Intf := d1ospfv2.Interfaces().Add().SetName("p1d1int").
		SetIpv4Name("p1d1ipv4")

	d1ospfv2Intf.Area().SetIp("1.1.1.2")
	//d1ospfv2Intf.Area().SetId(1)

	d1ospfv2Intf.NetworkType().PointToPoint()
	//d1ospfv2Intf.NetworkType().PointToMultipoint().Add().SetNeighborIp("5.5.5.5")

	//Ospfv2 Traffic Engineering settings
	d1ospfv2te := d1ospfv2Intf.TrafficEngineering().
		Add().
		SetAdministrativeGroup("111111").
		SetMaxBandwith(125000000).
		SetMaxReservableBandwidth(125000000).
		SetMetricLevel(10)

	d1ospfv2te.PriorityBandwidths().
		SetPb0(125000000).
		SetPb1(125000000).
		SetPb2(125000000).
		SetPb3(125000000).
		SetPb4(125000000).
		SetPb5(125000000).
		SetPb6(125000000).
		SetPb7(125000000)

	// Set Optional Authentication parameter
	d1ospfv2Intf.Authentication().Md5S().Add().SetKeyId(1).SetKey("md5key")
	//d1ospfv2Intf.Authentication().SetClearText("text")

	// Change Hello timers default values.
	d1ospfv2Intf.Advanced().
		SetHelloInterval(20).
		SetDeadInterval(60).
		SetRoutingMetric(1).
		SetPriority(20).
		SetValidateReceivedMtu(true)

	// Change link protection default values
	d1ospfv2Intf.LinkProtection().
		SetExtraTraffic(true).
		SetUnprotected(true).
		SetShared(true).
		SetDedicated1Plus1(true).
		SetDedicated1To1(true).
		SetEnhanced(true).
		SetReserved40(true).
		SetReserved80(true)

	// Set optional srlg values
	d1ospfv2Intf.SetSrlgValues([]uint32{2, 4})

	//v4 routes
	d1ospfv2v4route := d1ospfv2.
		V4Routes().
		Add().
		SetName("p1d1rr1_v4routes").SetMetric(10)

	d1ospfv2v4route.
		Addresses().
		Add().
		SetAddress("10.10.10.1").
		SetPrefix(32).
		SetCount(5).
		SetStep(1)

	// Change default Inter area route
	d1ospfv2v4route.RouteOrigin().
		IntraArea().
		Flags().SetAFlag(true).SetNFlag(true)

	// add protocol stacks for device d2
	d2Eth1 := d2.Ethernets().
		Add().
		SetName("p2d1Eth1").
		SetMac("00:00:02:02:02:02").
		SetMtu(1500)

	d2Eth1.Connection().SetPortName(p2.Name())

	d2Eth1.
		Ipv4Addresses().
		Add().
		SetName("p2d1ipv4").
		SetAddress("2.2.2.2").
		SetGateway("2.2.2.1").
		SetPrefix(24)

	/* Ospfv2 router configuration on port 2 */

	// router id default as Interface-IP.
	d2ospfv2 := d1.Ospfv2().
		SetName("p2d1ospfv2")

	// Enable optional Learned Information filter
	d2ospfv2.SetStoreLsa(true)

	// Set optional timers
	d2ospfv2.
		SetLsaRetransmitTime(1).
		SetLsaRefreshTime(5).
		SetInterBurstLsuInterval(50).
		SetMaxFloodLsuPerBurst(10)

	// Set optional graceful restart mode
	d2ospfv2.GracefulRestart().SetHelperMode(true)

	// Set optional capabilities parameters.
	d2ospfv2.Capabilities().
		SetTBit(true).
		SetEBit(true).
		SetMcBit(true).
		SetNpBit(true).
		SetEaBit(true).
		SetDcBit(true).
		SetOBit(true).
		SetUnusedBit(true).
		SetLsaBBit(true).
		SetLsaEBit(true)

	// Ospfv2 Interface
	d2ospfv2Intf := d2ospfv2.Interfaces().Add().SetName("p2d1int").
		SetIpv4Name("p2d1ipv4")

	d2ospfv2Intf.Area().SetIp("2.2.2.2")

	d2ospfv2Intf.NetworkType().PointToPoint()

	//Ospfv2 Traffic Engineering settings
	d2ospfv2te := d2ospfv2Intf.TrafficEngineering().
		Add().
		SetAdministrativeGroup("222222").
		SetMaxBandwith(125000000).
		SetMaxReservableBandwidth(125000000).
		SetMetricLevel(10)

	d2ospfv2te.PriorityBandwidths().
		SetPb0(125000000).
		SetPb1(125000000).
		SetPb2(125000000).
		SetPb3(125000000).
		SetPb4(125000000).
		SetPb5(125000000).
		SetPb6(125000000).
		SetPb7(125000000)

	// Set Optional Authentication parameter
	d2ospfv2Intf.Authentication().Md5S().Add().SetKeyId(1).SetKey("md5key")

	// Change Hello timers default values.
	d2ospfv2Intf.Advanced().
		SetHelloInterval(20).
		SetDeadInterval(60).
		SetRoutingMetric(1).
		SetPriority(20).
		SetValidateReceivedMtu(true)

	// Change link protection default values
	d2ospfv2Intf.LinkProtection().
		SetExtraTraffic(true).
		SetUnprotected(true).
		SetShared(true).
		SetDedicated1Plus1(true).
		SetDedicated1To1(true).
		SetEnhanced(true).
		SetReserved40(true).
		SetReserved80(true)

	// Set optional srlg values
	d2ospfv2Intf.SetSrlgValues([]uint32{2, 4})

	//v4 routes
	d2ospfv2v4route := d2ospfv2.
		V4Routes().
		Add().
		SetName("p2d2rr1_v4routes").SetMetric(10)

	d2ospfv2v4route.
		Addresses().
		Add().
		SetAddress("20.20.20.1").
		SetPrefix(32).
		SetCount(5).
		SetStep(1)

	// Change default Inter area route
	d2ospfv2v4route.RouteOrigin().
		IntraArea().
		Flags().SetAFlag(true).SetNFlag(true)

	// Flows config

	{ // Add endpoints and packet description for flow 1
		flow1 := config.Flows().Add()
		flow1.
			SetName("IPv4 " + p1.Name() + "-> " + p2.Name()).
			TxRx().
			Device().
			SetTxNames([]string{d1ospfv2v4route.Name()}).
			SetRxNames([]string{d2ospfv2v4route.Name()})
		flow1.Metrics().SetEnable(true)
		flow1.Duration().FixedPackets().SetPackets(1000)
		flow1.Rate().SetPps(200)
		//ethernet
		flow1Eth := flow1.Packet().Add().Ethernet()
		flow1Eth.Src().SetValue(d1Eth1.Mac())
		flow1Eth.Dst().Auto()
		//IP packet
		flow1Ip := flow1.Packet().Add().Ipv4()
		flow1Ip.Src().Increment().SetStart(d1ospfv2v4route.Addresses().Items()[0].Address())
		flow1Ip.Src().Increment().SetStep("0.0.0.1")
		flow1Ip.Src().Increment().SetCount(5)
		flow1Ip.Dst().Increment().SetStart(d2ospfv2v4route.Addresses().Items()[0].Address())
		flow1Ip.Dst().Increment().SetStep("0.0.0.1")
		flow1Ip.Dst().Increment().SetCount(5)
	}

	{ // Add endpoints and packet description for flow 2
		flow2 := config.Flows().Add()
		flow2.
			SetName("IPv4 " + p2.Name() + "-> " + p1.Name()).
			TxRx().
			Device().
			SetTxNames([]string{d2ospfv2v4route.Name()}).
			SetRxNames([]string{d1ospfv2v4route.Name()})

		flow2.Metrics().SetEnable(true)
		flow2.Duration().FixedPackets().SetPackets(1000)
		flow2.Rate().SetPps(200)
		//ethernet
		flow2Eth := flow2.Packet().Add().Ethernet()
		flow2Eth.Src().SetValue(d1Eth1.Mac())
		flow2Eth.Dst().Auto()
		//IP packet
		flow2Ip := flow2.Packet().Add().Ipv4()
		flow2Ip.Src().Increment().SetStart(d2ospfv2v4route.Addresses().Items()[0].Address())
		flow2Ip.Src().Increment().SetStep("0.0.0.1")
		flow2Ip.Src().Increment().SetCount(5)
		flow2Ip.Dst().Increment().SetStart(d1ospfv2v4route.Addresses().Items()[0].Address())
		flow2Ip.Dst().Increment().SetStep("0.0.0.1")
		flow2Ip.Dst().Increment().SetCount(5)
	}

	return config
}

[rudranil-das]

Review comments addressed

[rudranil-das]

Review comments closed.

[apratimmukherjee]

Looks good. One minor comment related to possible easier access of network_lsa neighbor router_ids array by test writer from ospfv2 state information.