ODPM 266: Go-libmemif + 2 examples.

[govpp.git] / vendor / github.com / google / gopacket / layers / eapol.go

diff --git a/vendor/github.com/google/gopacket/layers/eapol.go b/vendor/github.com/google/gopacket/layers/eapol.go
new file mode 100644 (file)
index 0000000..041cd59
--- /dev/null
+++ b/vendor/github.com/google/gopacket/layers/eapol.go
@@ -0,0 +1,57 @@
+// 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"
+       "github.com/google/gopacket"
+)
+
+// EAPOL defines an EAP over LAN (802.1x) layer.
+type EAPOL struct {
+       BaseLayer
+       Version uint8
+       Type    EAPOLType
+       Length  uint16
+}
+
+// LayerType returns LayerTypeEAPOL.
+func (e *EAPOL) LayerType() gopacket.LayerType { return LayerTypeEAPOL }
+
+// DecodeFromBytes decodes the given bytes into this layer.
+func (e *EAPOL) DecodeFromBytes(data []byte, df gopacket.DecodeFeedback) error {
+       e.Version = data[0]
+       e.Type = EAPOLType(data[1])
+       e.Length = binary.BigEndian.Uint16(data[2:4])
+       e.BaseLayer = BaseLayer{data[:4], data[4:]}
+       return nil
+}
+
+// SerializeTo writes the serialized form of this layer into the
+// SerializationBuffer, implementing gopacket.SerializableLayer
+func (e *EAPOL) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
+       bytes, _ := b.PrependBytes(4)
+       bytes[0] = e.Version
+       bytes[1] = byte(e.Type)
+       binary.BigEndian.PutUint16(bytes[2:], e.Length)
+       return nil
+}
+
+// CanDecode returns the set of layer types that this DecodingLayer can decode.
+func (e *EAPOL) CanDecode() gopacket.LayerClass {
+       return LayerTypeEAPOL
+}
+
+// NextLayerType returns the layer type contained by this DecodingLayer.
+func (e *EAPOL) NextLayerType() gopacket.LayerType {
+       return e.Type.LayerType()
+}
+
+func decodeEAPOL(data []byte, p gopacket.PacketBuilder) error {
+       e := &EAPOL{}
+       return decodingLayerDecoder(e, data, p)
+}