First Commit of Voltha-Go-Controller from Radisys
Change-Id: I8e2e908e7ab09a4fe3d86849da18b6d69dcf4ab0
diff --git a/vendor/github.com/google/gopacket/layers/icmp6.go b/vendor/github.com/google/gopacket/layers/icmp6.go
new file mode 100644
index 0000000..09afd11
--- /dev/null
+++ b/vendor/github.com/google/gopacket/layers/icmp6.go
@@ -0,0 +1,266 @@
+// Copyright 2012 Google, Inc. All rights reserved.
+// Copyright 2009-2011 Andreas Krennmair. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style license
+// that can be found in the LICENSE file in the root of the source
+// tree.
+
+package layers
+
+import (
+ "encoding/binary"
+ "errors"
+ "fmt"
+ "reflect"
+
+ "github.com/google/gopacket"
+)
+
+const (
+ // The following are from RFC 4443
+ ICMPv6TypeDestinationUnreachable = 1
+ ICMPv6TypePacketTooBig = 2
+ ICMPv6TypeTimeExceeded = 3
+ ICMPv6TypeParameterProblem = 4
+ ICMPv6TypeEchoRequest = 128
+ ICMPv6TypeEchoReply = 129
+
+ // The following are from RFC 4861
+ ICMPv6TypeRouterSolicitation = 133
+ ICMPv6TypeRouterAdvertisement = 134
+ ICMPv6TypeNeighborSolicitation = 135
+ ICMPv6TypeNeighborAdvertisement = 136
+ ICMPv6TypeRedirect = 137
+
+ // The following are from RFC 2710
+ ICMPv6TypeMLDv1MulticastListenerQueryMessage = 130
+ ICMPv6TypeMLDv1MulticastListenerReportMessage = 131
+ ICMPv6TypeMLDv1MulticastListenerDoneMessage = 132
+
+ // The following are from RFC 3810
+ ICMPv6TypeMLDv2MulticastListenerReportMessageV2 = 143
+)
+
+const (
+ // DestinationUnreachable
+ ICMPv6CodeNoRouteToDst = 0
+ ICMPv6CodeAdminProhibited = 1
+ ICMPv6CodeBeyondScopeOfSrc = 2
+ ICMPv6CodeAddressUnreachable = 3
+ ICMPv6CodePortUnreachable = 4
+ ICMPv6CodeSrcAddressFailedPolicy = 5
+ ICMPv6CodeRejectRouteToDst = 6
+
+ // TimeExceeded
+ ICMPv6CodeHopLimitExceeded = 0
+ ICMPv6CodeFragmentReassemblyTimeExceeded = 1
+
+ // ParameterProblem
+ ICMPv6CodeErroneousHeaderField = 0
+ ICMPv6CodeUnrecognizedNextHeader = 1
+ ICMPv6CodeUnrecognizedIPv6Option = 2
+)
+
+type icmpv6TypeCodeInfoStruct struct {
+ typeStr string
+ codeStr *map[uint8]string
+}
+
+var (
+ icmpv6TypeCodeInfo = map[uint8]icmpv6TypeCodeInfoStruct{
+ ICMPv6TypeDestinationUnreachable: icmpv6TypeCodeInfoStruct{
+ "DestinationUnreachable", &map[uint8]string{
+ ICMPv6CodeNoRouteToDst: "NoRouteToDst",
+ ICMPv6CodeAdminProhibited: "AdminProhibited",
+ ICMPv6CodeBeyondScopeOfSrc: "BeyondScopeOfSrc",
+ ICMPv6CodeAddressUnreachable: "AddressUnreachable",
+ ICMPv6CodePortUnreachable: "PortUnreachable",
+ ICMPv6CodeSrcAddressFailedPolicy: "SrcAddressFailedPolicy",
+ ICMPv6CodeRejectRouteToDst: "RejectRouteToDst",
+ },
+ },
+ ICMPv6TypePacketTooBig: icmpv6TypeCodeInfoStruct{
+ "PacketTooBig", nil,
+ },
+ ICMPv6TypeTimeExceeded: icmpv6TypeCodeInfoStruct{
+ "TimeExceeded", &map[uint8]string{
+ ICMPv6CodeHopLimitExceeded: "HopLimitExceeded",
+ ICMPv6CodeFragmentReassemblyTimeExceeded: "FragmentReassemblyTimeExceeded",
+ },
+ },
+ ICMPv6TypeParameterProblem: icmpv6TypeCodeInfoStruct{
+ "ParameterProblem", &map[uint8]string{
+ ICMPv6CodeErroneousHeaderField: "ErroneousHeaderField",
+ ICMPv6CodeUnrecognizedNextHeader: "UnrecognizedNextHeader",
+ ICMPv6CodeUnrecognizedIPv6Option: "UnrecognizedIPv6Option",
+ },
+ },
+ ICMPv6TypeEchoRequest: icmpv6TypeCodeInfoStruct{
+ "EchoRequest", nil,
+ },
+ ICMPv6TypeEchoReply: icmpv6TypeCodeInfoStruct{
+ "EchoReply", nil,
+ },
+ ICMPv6TypeRouterSolicitation: icmpv6TypeCodeInfoStruct{
+ "RouterSolicitation", nil,
+ },
+ ICMPv6TypeRouterAdvertisement: icmpv6TypeCodeInfoStruct{
+ "RouterAdvertisement", nil,
+ },
+ ICMPv6TypeNeighborSolicitation: icmpv6TypeCodeInfoStruct{
+ "NeighborSolicitation", nil,
+ },
+ ICMPv6TypeNeighborAdvertisement: icmpv6TypeCodeInfoStruct{
+ "NeighborAdvertisement", nil,
+ },
+ ICMPv6TypeRedirect: icmpv6TypeCodeInfoStruct{
+ "Redirect", nil,
+ },
+ }
+)
+
+type ICMPv6TypeCode uint16
+
+// Type returns the ICMPv6 type field.
+func (a ICMPv6TypeCode) Type() uint8 {
+ return uint8(a >> 8)
+}
+
+// Code returns the ICMPv6 code field.
+func (a ICMPv6TypeCode) Code() uint8 {
+ return uint8(a)
+}
+
+func (a ICMPv6TypeCode) String() string {
+ t, c := a.Type(), a.Code()
+ strInfo, ok := icmpv6TypeCodeInfo[t]
+ if !ok {
+ // Unknown ICMPv6 type field
+ return fmt.Sprintf("%d(%d)", t, c)
+ }
+ typeStr := strInfo.typeStr
+ if strInfo.codeStr == nil && c == 0 {
+ // The ICMPv6 type does not make use of the code field
+ return fmt.Sprintf("%s", strInfo.typeStr)
+ }
+ if strInfo.codeStr == nil && c != 0 {
+ // The ICMPv6 type does not make use of the code field, but it is present anyway
+ return fmt.Sprintf("%s(Code: %d)", typeStr, c)
+ }
+ codeStr, ok := (*strInfo.codeStr)[c]
+ if !ok {
+ // We don't know this ICMPv6 code; print the numerical value
+ return fmt.Sprintf("%s(Code: %d)", typeStr, c)
+ }
+ return fmt.Sprintf("%s(%s)", typeStr, codeStr)
+}
+
+func (a ICMPv6TypeCode) GoString() string {
+ t := reflect.TypeOf(a)
+ return fmt.Sprintf("%s(%d, %d)", t.String(), a.Type(), a.Code())
+}
+
+// SerializeTo writes the ICMPv6TypeCode value to the 'bytes' buffer.
+func (a ICMPv6TypeCode) SerializeTo(bytes []byte) {
+ binary.BigEndian.PutUint16(bytes, uint16(a))
+}
+
+// CreateICMPv6TypeCode is a convenience function to create an ICMPv6TypeCode
+// gopacket type from the ICMPv6 type and code values.
+func CreateICMPv6TypeCode(typ uint8, code uint8) ICMPv6TypeCode {
+ return ICMPv6TypeCode(binary.BigEndian.Uint16([]byte{typ, code}))
+}
+
+// ICMPv6 is the layer for IPv6 ICMP packet data
+type ICMPv6 struct {
+ BaseLayer
+ TypeCode ICMPv6TypeCode
+ Checksum uint16
+ // TypeBytes is deprecated and always nil. See the different ICMPv6 message types
+ // instead (e.g. ICMPv6TypeRouterSolicitation).
+ TypeBytes []byte
+ tcpipchecksum
+}
+
+// LayerType returns LayerTypeICMPv6.
+func (i *ICMPv6) LayerType() gopacket.LayerType { return LayerTypeICMPv6 }
+
+// DecodeFromBytes decodes the given bytes into this layer.
+func (i *ICMPv6) DecodeFromBytes(data []byte, df gopacket.DecodeFeedback) error {
+ if len(data) < 4 {
+ df.SetTruncated()
+ return errors.New("ICMP layer less then 4 bytes for ICMPv6 packet")
+ }
+ i.TypeCode = CreateICMPv6TypeCode(data[0], data[1])
+ i.Checksum = binary.BigEndian.Uint16(data[2:4])
+ i.BaseLayer = BaseLayer{data[:4], data[4:]}
+ return nil
+}
+
+// SerializeTo writes the serialized form of this layer into the
+// SerializationBuffer, implementing gopacket.SerializableLayer.
+// See the docs for gopacket.SerializableLayer for more info.
+func (i *ICMPv6) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
+ bytes, err := b.PrependBytes(4)
+ if err != nil {
+ return err
+ }
+ i.TypeCode.SerializeTo(bytes)
+
+ if opts.ComputeChecksums {
+ bytes[2] = 0
+ bytes[3] = 0
+ csum, err := i.computeChecksum(b.Bytes(), IPProtocolICMPv6)
+ if err != nil {
+ return err
+ }
+ i.Checksum = csum
+ }
+ binary.BigEndian.PutUint16(bytes[2:], i.Checksum)
+
+ return nil
+}
+
+// CanDecode returns the set of layer types that this DecodingLayer can decode.
+func (i *ICMPv6) CanDecode() gopacket.LayerClass {
+ return LayerTypeICMPv6
+}
+
+// NextLayerType returns the layer type contained by this DecodingLayer.
+func (i *ICMPv6) NextLayerType() gopacket.LayerType {
+ switch i.TypeCode.Type() {
+ case ICMPv6TypeEchoRequest:
+ return LayerTypeICMPv6Echo
+ case ICMPv6TypeEchoReply:
+ return LayerTypeICMPv6Echo
+ case ICMPv6TypeRouterSolicitation:
+ return LayerTypeICMPv6RouterSolicitation
+ case ICMPv6TypeRouterAdvertisement:
+ return LayerTypeICMPv6RouterAdvertisement
+ case ICMPv6TypeNeighborSolicitation:
+ return LayerTypeICMPv6NeighborSolicitation
+ case ICMPv6TypeNeighborAdvertisement:
+ return LayerTypeICMPv6NeighborAdvertisement
+ case ICMPv6TypeRedirect:
+ return LayerTypeICMPv6Redirect
+ case ICMPv6TypeMLDv1MulticastListenerQueryMessage: // Same Code for MLDv1 Query and MLDv2 Query
+ if len(i.Payload) > 20 { // Only payload size differs
+ return LayerTypeMLDv2MulticastListenerQuery
+ } else {
+ return LayerTypeMLDv1MulticastListenerQuery
+ }
+ case ICMPv6TypeMLDv1MulticastListenerDoneMessage:
+ return LayerTypeMLDv1MulticastListenerDone
+ case ICMPv6TypeMLDv1MulticastListenerReportMessage:
+ return LayerTypeMLDv1MulticastListenerReport
+ case ICMPv6TypeMLDv2MulticastListenerReportMessageV2:
+ return LayerTypeMLDv2MulticastListenerReport
+ }
+
+ return gopacket.LayerTypePayload
+}
+
+func decodeICMPv6(data []byte, p gopacket.PacketBuilder) error {
+ i := &ICMPv6{}
+ return decodingLayerDecoder(i, data, p)
+}