First Commit of Voltha-Go-Controller from Radisys
Change-Id: I8e2e908e7ab09a4fe3d86849da18b6d69dcf4ab0
diff --git a/vendor/github.com/google/gopacket/layers/eap.go b/vendor/github.com/google/gopacket/layers/eap.go
new file mode 100644
index 0000000..54238e8
--- /dev/null
+++ b/vendor/github.com/google/gopacket/layers/eap.go
@@ -0,0 +1,114 @@
+// Copyright 2012 Google, Inc. 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"
+ "fmt"
+ "github.com/google/gopacket"
+)
+
+type EAPCode uint8
+type EAPType uint8
+
+const (
+ EAPCodeRequest EAPCode = 1
+ EAPCodeResponse EAPCode = 2
+ EAPCodeSuccess EAPCode = 3
+ EAPCodeFailure EAPCode = 4
+
+ // EAPTypeNone means that this EAP layer has no Type or TypeData.
+ // Success and Failure EAPs will have this set.
+ EAPTypeNone EAPType = 0
+
+ EAPTypeIdentity EAPType = 1
+ EAPTypeNotification EAPType = 2
+ EAPTypeNACK EAPType = 3
+ EAPTypeOTP EAPType = 4
+ EAPTypeTokenCard EAPType = 5
+)
+
+// EAP defines an Extensible Authentication Protocol (rfc 3748) layer.
+type EAP struct {
+ BaseLayer
+ Code EAPCode
+ Id uint8
+ Length uint16
+ Type EAPType
+ TypeData []byte
+}
+
+// LayerType returns LayerTypeEAP.
+func (e *EAP) LayerType() gopacket.LayerType { return LayerTypeEAP }
+
+// DecodeFromBytes decodes the given bytes into this layer.
+func (e *EAP) DecodeFromBytes(data []byte, df gopacket.DecodeFeedback) error {
+ if len(data) < 4 {
+ df.SetTruncated()
+ return fmt.Errorf("EAP length %d too short", len(data))
+ }
+ e.Code = EAPCode(data[0])
+ e.Id = data[1]
+ e.Length = binary.BigEndian.Uint16(data[2:4])
+ if len(data) < int(e.Length) {
+ df.SetTruncated()
+ return fmt.Errorf("EAP length %d too short, %d expected", len(data), e.Length)
+ }
+ switch {
+ case e.Length > 4:
+ e.Type = EAPType(data[4])
+ e.TypeData = data[5:]
+ case e.Length == 4:
+ e.Type = 0
+ e.TypeData = nil
+ default:
+ return fmt.Errorf("invalid EAP length %d", e.Length)
+ }
+ e.BaseLayer.Contents = data[:e.Length]
+ e.BaseLayer.Payload = data[e.Length:] // Should be 0 bytes
+ 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 (e *EAP) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
+ if opts.FixLengths {
+ e.Length = uint16(len(e.TypeData) + 1)
+ }
+ size := len(e.TypeData) + 4
+ if size > 4 {
+ size++
+ }
+ bytes, err := b.PrependBytes(size)
+ if err != nil {
+ return err
+ }
+ bytes[0] = byte(e.Code)
+ bytes[1] = e.Id
+ binary.BigEndian.PutUint16(bytes[2:], e.Length)
+ if size > 4 {
+ bytes[4] = byte(e.Type)
+ copy(bytes[5:], e.TypeData)
+ }
+ return nil
+}
+
+// CanDecode returns the set of layer types that this DecodingLayer can decode.
+func (e *EAP) CanDecode() gopacket.LayerClass {
+ return LayerTypeEAP
+}
+
+// NextLayerType returns the layer type contained by this DecodingLayer.
+func (e *EAP) NextLayerType() gopacket.LayerType {
+ return gopacket.LayerTypeZero
+}
+
+func decodeEAP(data []byte, p gopacket.PacketBuilder) error {
+ e := &EAP{}
+ return decodingLayerDecoder(e, data, p)
+}