Пример #1
0
func getIPPkt(ipSrc, ipDst string, portNo uint32) *ofctrl.PacketIn {
	p := new(ofctrl.PacketIn)
	p.Header = openflow13.NewOfp13Header()
	p.Header.Type = openflow13.Type_PacketIn
	p.BufferId = 0xffffffff
	p.Reason = 0
	p.TableId = 0
	p.Cookie = 0
	p.Match = *openflow13.NewMatch()
	inportField := openflow13.NewInPortField(portNo)
	m := &p.Match
	m.AddField(*inportField)
	ip := protocol.NewIPv4()
	ip.Version = 4
	ip.IHL = 5
	ip.DSCP = 0
	ip.ECN = 0
	ip.Length = 20
	ip.Protocol = ofctrl.IP_PROTO_TCP
	ip.NWSrc = net.ParseIP(ipSrc)
	ip.NWDst = net.ParseIP(ipDst)

	eth := protocol.NewEthernet()
	eth.Ethertype = protocol.IPv4_MSG
	eth.Data = ip

	p.TableId = SRV_PROXY_DNAT_TBL_ID
	p.Data = *eth
	return p
}
Пример #2
0
// Translate our match fields into openflow 1.3 match fields
func (self *Flow) xlateMatch() openflow13.Match {
	ofMatch := openflow13.NewMatch()

	// Handle input poty
	if self.Match.InputPort != 0 {
		inportField := openflow13.NewInPortField(self.Match.InputPort)
		ofMatch.AddField(*inportField)
	}

	// Handle mac DA field
	if self.Match.MacDa != nil {
		if self.Match.MacDaMask != nil {
			macDaField := openflow13.NewEthDstField(*self.Match.MacDa, self.Match.MacDaMask)
			ofMatch.AddField(*macDaField)
		} else {
			macDaField := openflow13.NewEthDstField(*self.Match.MacDa, nil)
			ofMatch.AddField(*macDaField)
		}
	}

	// Handle MacSa field
	if self.Match.MacSa != nil {
		if self.Match.MacSaMask != nil {
			macSaField := openflow13.NewEthSrcField(*self.Match.MacSa, self.Match.MacSaMask)
			ofMatch.AddField(*macSaField)
		} else {
			macSaField := openflow13.NewEthSrcField(*self.Match.MacSa, nil)
			ofMatch.AddField(*macSaField)
		}
	}

	// Handle ethertype
	if self.Match.Ethertype != 0 {
		etypeField := openflow13.NewEthTypeField(self.Match.Ethertype)
		ofMatch.AddField(*etypeField)
	}

	// Handle Vlan id
	if self.Match.VlanId != 0 {
		vidField := openflow13.NewVlanIdField(self.Match.VlanId)
		ofMatch.AddField(*vidField)
	}

	// Handle IP Dst
	if self.Match.IpDa != nil {
		if self.Match.IpDaMask != nil {
			ipDaField := openflow13.NewIpv4DstField(*self.Match.IpDa, self.Match.IpDaMask)
			ofMatch.AddField(*ipDaField)
		} else {
			ipDaField := openflow13.NewIpv4DstField(*self.Match.IpDa, nil)
			ofMatch.AddField(*ipDaField)
		}
	}

	// Handle IP Src
	if self.Match.IpSa != nil {
		if self.Match.IpSaMask != nil {
			ipSaField := openflow13.NewIpv4SrcField(*self.Match.IpSa, self.Match.IpSaMask)
			ofMatch.AddField(*ipSaField)
		} else {
			ipSaField := openflow13.NewIpv4SrcField(*self.Match.IpSa, nil)
			ofMatch.AddField(*ipSaField)
		}
	}

	// Handle IP protocol
	if self.Match.IpProto != 0 {
		protoField := openflow13.NewIpProtoField(self.Match.IpProto)
		ofMatch.AddField(*protoField)
	}

	// Handle port numbers
	if self.Match.IpProto == IP_PROTO_TCP && self.Match.TcpSrcPort != 0 {
		portField := openflow13.NewTcpSrcField(self.Match.TcpSrcPort)
		ofMatch.AddField(*portField)
	}
	if self.Match.IpProto == IP_PROTO_TCP && self.Match.TcpDstPort != 0 {
		portField := openflow13.NewTcpDstField(self.Match.TcpDstPort)
		ofMatch.AddField(*portField)
	}
	if self.Match.IpProto == IP_PROTO_UDP && self.Match.UdpSrcPort != 0 {
		portField := openflow13.NewUdpSrcField(self.Match.UdpSrcPort)
		ofMatch.AddField(*portField)
	}
	if self.Match.IpProto == IP_PROTO_UDP && self.Match.UdpDstPort != 0 {
		portField := openflow13.NewUdpDstField(self.Match.UdpDstPort)
		ofMatch.AddField(*portField)
	}

	// Handle metadata
	if self.Match.Metadata != nil {
		if self.Match.MetadataMask != nil {
			metadataField := openflow13.NewMetadataField(*self.Match.Metadata, self.Match.MetadataMask)
			ofMatch.AddField(*metadataField)
		} else {
			metadataField := openflow13.NewMetadataField(*self.Match.Metadata, nil)
			ofMatch.AddField(*metadataField)
		}
	}

	// Handle Vxlan tunnel id
	if self.Match.TunnelId != 0 {
		tunnelIdField := openflow13.NewTunnelIdField(self.Match.TunnelId)
		ofMatch.AddField(*tunnelIdField)
	}

	return *ofMatch
}
Пример #3
0
// Translate our match fields into openflow 1.3 match fields
func (self *Flow) xlateMatch() openflow13.Match {
	ofMatch := openflow13.NewMatch()

	// Handle input poty
	if self.Match.InputPort != 0 {
		inportField := openflow13.NewInPortField(self.Match.InputPort)
		ofMatch.AddField(*inportField)
	}

	// Handle mac DA field
	if self.Match.MacDa != nil {
		if self.Match.MacDaMask != nil {
			macDaField := openflow13.NewEthDstField(*self.Match.MacDa, self.Match.MacDaMask)
			ofMatch.AddField(*macDaField)
		} else {
			macDaField := openflow13.NewEthDstField(*self.Match.MacDa, nil)
			ofMatch.AddField(*macDaField)
		}
	}

	// Handle MacSa field
	if self.Match.MacSa != nil {
		if self.Match.MacSaMask != nil {
			macSaField := openflow13.NewEthSrcField(*self.Match.MacSa, self.Match.MacSaMask)
			ofMatch.AddField(*macSaField)
		} else {
			macSaField := openflow13.NewEthSrcField(*self.Match.MacSa, nil)
			ofMatch.AddField(*macSaField)
		}
	}

	// Handle ethertype
	if self.Match.Ethertype != 0 {
		etypeField := openflow13.NewEthTypeField(self.Match.Ethertype)
		ofMatch.AddField(*etypeField)
	}

	// Handle Vlan id
	if self.Match.VlanId != 0 {
		if self.Match.VlanIdMask != nil {
			vidField := openflow13.NewVlanIdField(self.Match.VlanId, self.Match.VlanIdMask)
			ofMatch.AddField(*vidField)
		} else {
			vidField := openflow13.NewVlanIdField(self.Match.VlanId, nil)
			ofMatch.AddField(*vidField)
		}
	}

	// Handle MPLS Label -SRTE
	if self.Match.MplsLabel != 0 {
		mplsLabelField := openflow13.NewMplsLabelField(self.Match.MplsLabel)
		ofMatch.AddField(*mplsLabelField)
	}

	// Handle MPLS Bos -SRTE
	if self.Match.MplsBos != 0 {
		mplsBosField := openflow13.NewMplsBosField(self.Match.MplsBos)
		ofMatch.AddField(*mplsBosField)
	}

	// Handle ARP Oper type
	if self.Match.ArpOper != 0 {
		arpOperField := openflow13.NewArpOperField(self.Match.ArpOper)
		ofMatch.AddField(*arpOperField)
	}

	// Handle IP Dst
	if self.Match.IpDa != nil {
		if self.Match.IpDaMask != nil {
			ipDaField := openflow13.NewIpv4DstField(*self.Match.IpDa, self.Match.IpDaMask)
			ofMatch.AddField(*ipDaField)
		} else {
			ipDaField := openflow13.NewIpv4DstField(*self.Match.IpDa, nil)
			ofMatch.AddField(*ipDaField)
		}
	}

	// Handle IP Src
	if self.Match.IpSa != nil {
		if self.Match.IpSaMask != nil {
			ipSaField := openflow13.NewIpv4SrcField(*self.Match.IpSa, self.Match.IpSaMask)
			ofMatch.AddField(*ipSaField)
		} else {
			ipSaField := openflow13.NewIpv4SrcField(*self.Match.IpSa, nil)
			ofMatch.AddField(*ipSaField)
		}
	}

	// Handle IPv6 Dst
	if self.Match.Ipv6Da != nil {
		if self.Match.Ipv6DaMask != nil {
			ipv6DaField := openflow13.NewIpv6DstField(*self.Match.Ipv6Da, self.Match.Ipv6DaMask)
			ofMatch.AddField(*ipv6DaField)
		} else {
			ipv6DaField := openflow13.NewIpv6DstField(*self.Match.Ipv6Da, nil)
			ofMatch.AddField(*ipv6DaField)
		}
	}

	// Handle IPv6 Src
	if self.Match.Ipv6Sa != nil {
		if self.Match.Ipv6SaMask != nil {
			ipv6SaField := openflow13.NewIpv6SrcField(*self.Match.Ipv6Sa, self.Match.Ipv6SaMask)
			ofMatch.AddField(*ipv6SaField)
		} else {
			ipv6SaField := openflow13.NewIpv6SrcField(*self.Match.Ipv6Sa, nil)
			ofMatch.AddField(*ipv6SaField)
		}
	}

	// Handle IP protocol
	if self.Match.IpProto != 0 {
		protoField := openflow13.NewIpProtoField(self.Match.IpProto)
		ofMatch.AddField(*protoField)
	}

	// Handle port numbers
	if self.Match.IpProto == IP_PROTO_TCP && self.Match.TcpSrcPort != 0 {
		portField := openflow13.NewTcpSrcField(self.Match.TcpSrcPort)
		ofMatch.AddField(*portField)
	}
	if self.Match.IpProto == IP_PROTO_TCP && self.Match.TcpDstPort != 0 {
		portField := openflow13.NewTcpDstField(self.Match.TcpDstPort)
		ofMatch.AddField(*portField)
	}
	if self.Match.IpProto == IP_PROTO_UDP && self.Match.UdpSrcPort != 0 {
		portField := openflow13.NewUdpSrcField(self.Match.UdpSrcPort)
		ofMatch.AddField(*portField)
	}
	if self.Match.IpProto == IP_PROTO_UDP && self.Match.UdpDstPort != 0 {
		portField := openflow13.NewUdpDstField(self.Match.UdpDstPort)
		ofMatch.AddField(*portField)
	}

	// Handle tcp flags
	if self.Match.IpProto == IP_PROTO_TCP && self.Match.TcpFlags != nil {
		tcpFlagField := openflow13.NewTcpFlagsField(*self.Match.TcpFlags, self.Match.TcpFlagsMask)
		ofMatch.AddField(*tcpFlagField)
	}

	// Handle metadata
	if self.Match.Metadata != nil {
		if self.Match.MetadataMask != nil {
			metadataField := openflow13.NewMetadataField(*self.Match.Metadata, self.Match.MetadataMask)
			ofMatch.AddField(*metadataField)
		} else {
			metadataField := openflow13.NewMetadataField(*self.Match.Metadata, nil)
			ofMatch.AddField(*metadataField)
		}
	}

	// Handle Vxlan tunnel id
	if self.Match.TunnelId != 0 {
		tunnelIdField := openflow13.NewTunnelIdField(self.Match.TunnelId)
		ofMatch.AddField(*tunnelIdField)
	}

	return *ofMatch
}
Пример #4
0
// Translate our match fields into openflow 1.3 match fields
func (self *Flow) xlateMatch() openflow13.Match {
	ofMatch := openflow13.NewMatch()

	if self.Match.InputPort != 0 {
		inportField := openflow13.NewInPortField(self.Match.InputPort)
		ofMatch.AddField(*inportField)
	}

	if self.Match.MacDa != nil {
		if self.Match.MacDaMask != nil {
			macDaField := openflow13.NewEthDstField(*self.Match.MacDa, self.Match.MacDaMask)
			ofMatch.AddField(*macDaField)
		} else {
			macDaField := openflow13.NewEthDstField(*self.Match.MacDa, nil)
			ofMatch.AddField(*macDaField)
		}
	}

	if self.Match.MacSa != nil {
		if self.Match.MacSaMask != nil {
			macSaField := openflow13.NewEthSrcField(*self.Match.MacSa, self.Match.MacSaMask)
			ofMatch.AddField(*macSaField)
		} else {
			macSaField := openflow13.NewEthSrcField(*self.Match.MacSa, nil)
			ofMatch.AddField(*macSaField)
		}
	}

	if self.Match.Ethertype != 0 {
		etypeField := openflow13.NewEthTypeField(self.Match.Ethertype)
		ofMatch.AddField(*etypeField)
	}

	if self.Match.VlanId != 0 {
		vidField := openflow13.NewVlanIdField(self.Match.VlanId)
		ofMatch.AddField(*vidField)
	}

	if self.Match.IpDa != nil {
		if self.Match.IpDaMask != nil {
			ipDaField := openflow13.NewIpv4DstField(*self.Match.IpDa, self.Match.IpDaMask)
			ofMatch.AddField(*ipDaField)
		} else {
			ipDaField := openflow13.NewIpv4DstField(*self.Match.IpDa, nil)
			ofMatch.AddField(*ipDaField)
		}
	}

	if self.Match.IpSa != nil {
		if self.Match.IpSaMask != nil {
			ipSaField := openflow13.NewIpv4SrcField(*self.Match.IpSa, self.Match.IpSaMask)
			ofMatch.AddField(*ipSaField)
		} else {
			ipSaField := openflow13.NewIpv4SrcField(*self.Match.IpSa, nil)
			ofMatch.AddField(*ipSaField)
		}
	}

	if self.Match.Metadata != nil {
		if self.Match.MetadataMask != nil {
			metadataField := openflow13.NewMetadataField(*self.Match.Metadata, self.Match.MetadataMask)
			ofMatch.AddField(*metadataField)
		} else {
			metadataField := openflow13.NewMetadataField(*self.Match.Metadata, nil)
			ofMatch.AddField(*metadataField)
		}
	}

	if self.Match.TunnelId != 0 {
		tunnelIdField := openflow13.NewTunnelIdField(self.Match.TunnelId)
		ofMatch.AddField(*tunnelIdField)
	}

	return *ofMatch
}