diff options
Diffstat (limited to 'vendor/github.com/google/gopacket/layers/linux_sll.go')
-rw-r--r-- | vendor/github.com/google/gopacket/layers/linux_sll.go | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/vendor/github.com/google/gopacket/layers/linux_sll.go b/vendor/github.com/google/gopacket/layers/linux_sll.go deleted file mode 100644 index b186053..0000000 --- a/vendor/github.com/google/gopacket/layers/linux_sll.go +++ /dev/null @@ -1,96 +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" - "net" - - "github.com/google/gopacket" -) - -type LinuxSLLPacketType uint16 - -const ( - LinuxSLLPacketTypeHost LinuxSLLPacketType = 0 // To us - LinuxSLLPacketTypeBroadcast LinuxSLLPacketType = 1 // To all - LinuxSLLPacketTypeMulticast LinuxSLLPacketType = 2 // To group - LinuxSLLPacketTypeOtherhost LinuxSLLPacketType = 3 // To someone else - LinuxSLLPacketTypeOutgoing LinuxSLLPacketType = 4 // Outgoing of any type - // These ones are invisible by user level - LinuxSLLPacketTypeLoopback LinuxSLLPacketType = 5 // MC/BRD frame looped back - LinuxSLLPacketTypeFastroute LinuxSLLPacketType = 6 // Fastrouted frame -) - -func (l LinuxSLLPacketType) String() string { - switch l { - case LinuxSLLPacketTypeHost: - return "host" - case LinuxSLLPacketTypeBroadcast: - return "broadcast" - case LinuxSLLPacketTypeMulticast: - return "multicast" - case LinuxSLLPacketTypeOtherhost: - return "otherhost" - case LinuxSLLPacketTypeOutgoing: - return "outgoing" - case LinuxSLLPacketTypeLoopback: - return "loopback" - case LinuxSLLPacketTypeFastroute: - return "fastroute" - } - return fmt.Sprintf("Unknown(%d)", int(l)) -} - -type LinuxSLL struct { - BaseLayer - PacketType LinuxSLLPacketType - AddrLen uint16 - Addr net.HardwareAddr - EthernetType EthernetType -} - -// LayerType returns LayerTypeLinuxSLL. -func (sll *LinuxSLL) LayerType() gopacket.LayerType { return LayerTypeLinuxSLL } - -func (sll *LinuxSLL) CanDecode() gopacket.LayerClass { - return LayerTypeLinuxSLL -} - -func (sll *LinuxSLL) LinkFlow() gopacket.Flow { - return gopacket.NewFlow(EndpointMAC, sll.Addr, nil) -} - -func (sll *LinuxSLL) NextLayerType() gopacket.LayerType { - return sll.EthernetType.LayerType() -} - -func (sll *LinuxSLL) DecodeFromBytes(data []byte, df gopacket.DecodeFeedback) error { - if len(data) < 16 { - return errors.New("Linux SLL packet too small") - } - sll.PacketType = LinuxSLLPacketType(binary.BigEndian.Uint16(data[0:2])) - sll.AddrLen = binary.BigEndian.Uint16(data[4:6]) - - sll.Addr = net.HardwareAddr(data[6 : sll.AddrLen+6]) - sll.EthernetType = EthernetType(binary.BigEndian.Uint16(data[14:16])) - sll.BaseLayer = BaseLayer{data[:16], data[16:]} - - return nil -} - -func decodeLinuxSLL(data []byte, p gopacket.PacketBuilder) error { - sll := &LinuxSLL{} - if err := sll.DecodeFromBytes(data, p); err != nil { - return err - } - p.AddLayer(sll) - p.SetLinkLayer(sll) - return p.NextDecoder(sll.EthernetType) -} |