diff --git a/vendor/github.com/google/gopacket/layers/gen.go b/vendor/github.com/google/gopacket/layers/gen.go
new file mode 100644
index 0000000..ab7a0c0
--- /dev/null
+++ b/vendor/github.com/google/gopacket/layers/gen.go
@@ -0,0 +1,109 @@
+// 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.
+
+// +build ignore
+
+// This binary pulls known ports from IANA, and uses them to populate
+// iana_ports.go's TCPPortNames and UDPPortNames maps.
+//
+//  go run gen.go | gofmt > iana_ports.go
+package main
+
+import (
+	"bytes"
+	"encoding/xml"
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"os"
+	"strconv"
+	"time"
+)
+
+const fmtString = `// Copyright 2012 Google, Inc. All rights reserved.
+
+package layers
+
+// Created by gen.go, don't edit manually
+// Generated at %s
+// Fetched from %q
+
+// TCPPortNames contains the port names for all TCP ports.
+var TCPPortNames = tcpPortNames
+
+// UDPPortNames contains the port names for all UDP ports.
+var UDPPortNames = udpPortNames
+
+// SCTPPortNames contains the port names for all SCTP ports.
+var SCTPPortNames = sctpPortNames
+
+var tcpPortNames = map[TCPPort]string{
+%s}
+var udpPortNames = map[UDPPort]string{
+%s}
+var sctpPortNames = map[SCTPPort]string{
+%s}
+`
+
+var url = flag.String("url", "http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xml", "URL to grab port numbers from")
+
+func main() {
+	fmt.Fprintf(os.Stderr, "Fetching ports from %q\n", *url)
+	resp, err := http.Get(*url)
+	if err != nil {
+		panic(err)
+	}
+	defer resp.Body.Close()
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		panic(err)
+	}
+	fmt.Fprintln(os.Stderr, "Parsing XML")
+	var registry struct {
+		Records []struct {
+			Protocol string `xml:"protocol"`
+			Number   string `xml:"number"`
+			Name     string `xml:"name"`
+		} `xml:"record"`
+	}
+	xml.Unmarshal(body, &registry)
+	var tcpPorts bytes.Buffer
+	var udpPorts bytes.Buffer
+	var sctpPorts bytes.Buffer
+	done := map[string]map[int]bool{
+		"tcp":  map[int]bool{},
+		"udp":  map[int]bool{},
+		"sctp": map[int]bool{},
+	}
+	for _, r := range registry.Records {
+		port, err := strconv.Atoi(r.Number)
+		if err != nil {
+			continue
+		}
+		if r.Name == "" {
+			continue
+		}
+		var b *bytes.Buffer
+		switch r.Protocol {
+		case "tcp":
+			b = &tcpPorts
+		case "udp":
+			b = &udpPorts
+		case "sctp":
+			b = &sctpPorts
+		default:
+			continue
+		}
+		if done[r.Protocol][port] {
+			continue
+		}
+		done[r.Protocol][port] = true
+		fmt.Fprintf(b, "\t%d: %q,\n", port, r.Name)
+	}
+	fmt.Fprintln(os.Stderr, "Writing results to stdout")
+	fmt.Printf(fmtString, time.Now(), *url, tcpPorts.String(), udpPorts.String(), sctpPorts.String())
+}
diff --git a/vendor/github.com/google/gopacket/layers/gen2.go b/vendor/github.com/google/gopacket/layers/gen2.go
new file mode 100644
index 0000000..150cad7
--- /dev/null
+++ b/vendor/github.com/google/gopacket/layers/gen2.go
@@ -0,0 +1,104 @@
+// 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.
+
+// +build ignore
+
+// This binary handles creating string constants and function templates for enums.
+//
+//  go run gen.go | gofmt > enums_generated.go
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"text/template"
+	"time"
+)
+
+const fmtString = `// Copyright 2012 Google, Inc. All rights reserved.
+
+package layers
+
+// Created by gen2.go, don't edit manually
+// Generated at %s
+
+import (
+  "fmt"
+
+  "github.com/google/gopacket"
+)
+
+`
+
+var funcsTmpl = template.Must(template.New("foo").Parse(`
+// Decoder calls {{.Name}}Metadata.DecodeWith's decoder.
+func (a {{.Name}}) Decode(data []byte, p gopacket.PacketBuilder) error {
+	return {{.Name}}Metadata[a].DecodeWith.Decode(data, p)
+}
+// String returns {{.Name}}Metadata.Name.
+func (a {{.Name}}) String() string {
+	return {{.Name}}Metadata[a].Name
+}
+// LayerType returns {{.Name}}Metadata.LayerType.
+func (a {{.Name}}) LayerType() gopacket.LayerType {
+	return {{.Name}}Metadata[a].LayerType
+}
+
+type errorDecoderFor{{.Name}} int
+func (a *errorDecoderFor{{.Name}}) Decode(data []byte, p gopacket.PacketBuilder) error {
+  return a
+}
+func (a *errorDecoderFor{{.Name}}) Error() string {
+  return fmt.Sprintf("Unable to decode {{.Name}} %d", int(*a))
+}
+
+var errorDecodersFor{{.Name}} [{{.Num}}]errorDecoderFor{{.Name}}
+var {{.Name}}Metadata [{{.Num}}]EnumMetadata
+
+func initUnknownTypesFor{{.Name}}() {
+  for i := 0; i < {{.Num}}; i++ {
+    errorDecodersFor{{.Name}}[i] = errorDecoderFor{{.Name}}(i)
+    {{.Name}}Metadata[i] = EnumMetadata{
+      DecodeWith: &errorDecodersFor{{.Name}}[i],
+      Name: "Unknown{{.Name}}",
+    }
+  }
+}
+`))
+
+func main() {
+	fmt.Fprintf(os.Stderr, "Writing results to stdout\n")
+	fmt.Printf(fmtString, time.Now())
+	types := []struct {
+		Name string
+		Num  int
+	}{
+		{"LinkType", 256},
+		{"EthernetType", 65536},
+		{"PPPType", 65536},
+		{"IPProtocol", 256},
+		{"SCTPChunkType", 256},
+		{"PPPoECode", 256},
+		{"FDDIFrameControl", 256},
+		{"EAPOLType", 256},
+		{"ProtocolFamily", 256},
+		{"Dot11Type", 256},
+		{"USBTransportType", 256},
+	}
+
+	fmt.Println("func init() {")
+	for _, t := range types {
+		fmt.Printf("initUnknownTypesFor%s()\n", t.Name)
+	}
+	fmt.Println("initActualTypeData()")
+	fmt.Println("}")
+	for _, t := range types {
+		if err := funcsTmpl.Execute(os.Stdout, t); err != nil {
+			log.Fatalf("Failed to execute template %s: %v", t.Name, err)
+		}
+	}
+}