Migrate to modules, refactor Makefile and use Travis for CI

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

diff --git a/vendor/github.com/google/gopacket/layers/loopback.go b/vendor/github.com/google/gopacket/layers/loopback.go
deleted file mode 100644 (file)
index 839f760..0000000
--- a/vendor/github.com/google/gopacket/layers/loopback.go
+++ /dev/null
@@ -1,80 +0,0 @@
-// 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"
-       "errors"
-       "fmt"
-
-       "github.com/google/gopacket"
-)
-
-// Loopback contains the header for loopback encapsulation.  This header is
-// used by both BSD and OpenBSD style loopback decoding (pcap's DLT_NULL
-// and DLT_LOOP, respectively).
-type Loopback struct {
-       BaseLayer
-       Family ProtocolFamily
-}
-
-// LayerType returns LayerTypeLoopback.
-func (l *Loopback) LayerType() gopacket.LayerType { return LayerTypeLoopback }
-
-// DecodeFromBytes decodes the given bytes into this layer.
-func (l *Loopback) DecodeFromBytes(data []byte, df gopacket.DecodeFeedback) error {
-       if len(data) < 4 {
-               return errors.New("Loopback packet too small")
-       }
-
-       // The protocol could be either big-endian or little-endian, we're
-       // not sure.  But we're PRETTY sure that the value is less than
-       // 256, so we can check the first two bytes.
-       var prot uint32
-       if data[0] == 0 && data[1] == 0 {
-               prot = binary.BigEndian.Uint32(data[:4])
-       } else {
-               prot = binary.LittleEndian.Uint32(data[:4])
-       }
-       if prot > 0xFF {
-               return fmt.Errorf("Invalid loopback protocol %q", data[:4])
-       }
-
-       l.Family = ProtocolFamily(prot)
-       l.BaseLayer = BaseLayer{data[:4], data[4:]}
-       return nil
-}
-
-// CanDecode returns the set of layer types that this DecodingLayer can decode.
-func (l *Loopback) CanDecode() gopacket.LayerClass {
-       return LayerTypeLoopback
-}
-
-// NextLayerType returns the layer type contained by this DecodingLayer.
-func (l *Loopback) NextLayerType() gopacket.LayerType {
-       return l.Family.LayerType()
-}
-
-// SerializeTo writes the serialized form of this layer into the
-// SerializationBuffer, implementing gopacket.SerializableLayer.
-func (l *Loopback) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
-       bytes, err := b.PrependBytes(4)
-       if err != nil {
-               return err
-       }
-       binary.LittleEndian.PutUint32(bytes, uint32(l.Family))
-       return nil
-}
-
-func decodeLoopback(data []byte, p gopacket.PacketBuilder) error {
-       l := Loopback{}
-       if err := l.DecodeFromBytes(data, gopacket.NilDecodeFeedback); err != nil {
-               return err
-       }
-       p.AddLayer(&l)
-       return p.NextDecoder(l.Family)
-}