From 3f1edad4e6ba0a7876750aea55507fae14d8badf Mon Sep 17 00:00:00 2001
From: Milan Lenco <milan.lenco@pantheon.tech>
Date: Wed, 11 Oct 2017 16:40:58 +0200
Subject: ODPM 266: Go-libmemif + 2 examples.

Change-Id: Icdb9b9eb2314eff6c96afe7996fcf2728291de4a
Signed-off-by: Milan Lenco <milan.lenco@pantheon.tech>
---
 .../google/gopacket/layers/sflow_test.go           | 1246 ++++++++++++++++++++
 1 file changed, 1246 insertions(+)
 create mode 100644 vendor/github.com/google/gopacket/layers/sflow_test.go

(limited to 'vendor/github.com/google/gopacket/layers/sflow_test.go')

diff --git a/vendor/github.com/google/gopacket/layers/sflow_test.go b/vendor/github.com/google/gopacket/layers/sflow_test.go
new file mode 100644
index 0000000..ca0f2ab
--- /dev/null
+++ b/vendor/github.com/google/gopacket/layers/sflow_test.go
@@ -0,0 +1,1246 @@
+// Copyright 2014 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 (
+	"github.com/google/gopacket"
+	"net"
+	"reflect"
+	"testing"
+)
+
+// Test packet collected from live network. See the test below for contents
+var SFlowTestPacket1 = []byte{
+	0x84, 0x2b, 0x2b, 0x16, 0x8b, 0x62, 0xf0, 0x50, 0x56, 0x85, 0x3a, 0xfd, 0x08, 0x00, 0x45, 0x00,
+	0x05, 0xbc, 0x9c, 0x04, 0x40, 0x00, 0xff, 0x11, 0xc7, 0x00, 0x0a, 0x01, 0xff, 0x0e, 0x0a, 0x01,
+	0x00, 0x1b, 0xc7, 0x57, 0x18, 0xc7, 0x05, 0xa8, 0x22, 0x3b, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00,
+	0x00, 0x01, 0x0a, 0x01, 0xf8, 0x16, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x9d, 0xfb, 0x40, 0x49,
+	0xc6, 0xcd, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0xd0, 0x00, 0x26,
+	0x27, 0xe8, 0x00, 0x00, 0x02, 0x13, 0x00, 0x00, 0x3e, 0x80, 0x50, 0xbd, 0xe5, 0x80, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x02, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+	0x00, 0x01, 0x00, 0x00, 0x00, 0x90, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x05, 0xd2, 0x00, 0x00,
+	0x00, 0x04, 0x00, 0x00, 0x00, 0x80, 0x3c, 0x8a, 0xb0, 0xe7, 0x54, 0x41, 0xb8, 0xca, 0x3a, 0x6d,
+	0xf0, 0x40, 0x08, 0x00, 0x45, 0x00, 0x05, 0xc0, 0x6b, 0xaa, 0x40, 0x00, 0x40, 0x06, 0x8f, 0x41,
+	0x0a, 0x01, 0x0e, 0x16, 0x36, 0xf0, 0xeb, 0x45, 0x76, 0xfd, 0x00, 0x50, 0xca, 0x77, 0xef, 0x96,
+	0xfc, 0x28, 0x63, 0x40, 0x50, 0x10, 0x00, 0x3c, 0x64, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00,
+	0xf4, 0x00, 0x00, 0x02, 0x77, 0x00, 0x00, 0x00, 0xfd, 0x3b, 0x8c, 0xe7, 0x04, 0x4a, 0x2d, 0xb2,
+	0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x01, 0x48, 0xcc, 0x11, 0x0d, 0xe3, 0x00,
+	0x26, 0x85, 0x30, 0x00, 0x00, 0x07, 0x66, 0x00, 0x02, 0xd0, 0x8a, 0x00, 0x02, 0xce, 0xf0, 0x00,
+	0x29, 0x7e, 0x80, 0x00, 0x02, 0xd0, 0x98, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x26, 0x85, 0x30, 0x00,
+	0x00, 0x00, 0xf4, 0x00, 0x00, 0x02, 0x00, 0x00, 0x03, 0xe9, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00,
+	0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x01, 0x00, 0x00, 0x00, 0xd0, 0x01, 0x5e, 0x5c, 0x1e, 0x00, 0x00, 0x02, 0x57, 0x00, 0x00,
+	0x07, 0xd0, 0xb1, 0x2f, 0xa2, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x57, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x90, 0x00, 0x00,
+	0x00, 0x01, 0x00, 0x00, 0x05, 0xee, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x80, 0x3c, 0x8a,
+	0xb0, 0xe7, 0x54, 0x41, 0xb8, 0xca, 0x3a, 0x6f, 0xbe, 0xd8, 0x08, 0x00, 0x45, 0x00, 0x05, 0xdc,
+	0x9f, 0xfd, 0x40, 0x00, 0x40, 0x06, 0x6a, 0xfa, 0x0a, 0x01, 0x0e, 0x10, 0x0a, 0x01, 0x08, 0x13,
+	0x23, 0x84, 0xb7, 0x22, 0x8a, 0xc9, 0x50, 0xb5, 0x4e, 0x10, 0x2a, 0x87, 0x80, 0x10, 0x06, 0x01,
+	0x10, 0xa6, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0xef, 0x1f, 0xf4, 0x07, 0x99, 0x3a, 0xd8, 0x5b,
+	0x01, 0x46, 0x09, 0x00, 0x0c, 0x00, 0x0c, 0x3c, 0xac, 0x4a, 0x1b, 0x06, 0x04, 0x78, 0x78, 0x4e,
+	0xc2, 0x05, 0x46, 0x43, 0x06, 0x04, 0x78, 0x78, 0xee, 0x9c, 0x00, 0x41, 0xef, 0x05, 0x81, 0x32,
+	0x1b, 0x06, 0x04, 0x78, 0x78, 0x56, 0x72, 0x05, 0x4e, 0x92, 0x00, 0x96, 0x39, 0x00, 0xea, 0x3f,
+	0x01, 0x15, 0xa3, 0x08, 0x04, 0x42, 0x6a, 0x82, 0x87, 0x08, 0x05, 0xcc, 0x00, 0x04, 0x00, 0x00,
+	0x03, 0xe9, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0xd0, 0x01, 0x5a,
+	0xcd, 0xd0, 0x00, 0x00, 0x02, 0x55, 0x00, 0x00, 0x07, 0xd0, 0x95, 0x67, 0xe1, 0x30, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x02, 0x55, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+	0x00, 0x01, 0x00, 0x00, 0x00, 0x90, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x04, 0x46, 0x00, 0x00,
+	0x00, 0x04, 0x00, 0x00, 0x00, 0x80, 0x3c, 0x8a, 0xb0, 0xe7, 0x54, 0x41, 0xb8, 0xca, 0x3a, 0x6f,
+	0x11, 0x28, 0x08, 0x00, 0x45, 0x00, 0x04, 0x34, 0xdb, 0x36, 0x40, 0x00, 0x40, 0x06, 0x38, 0xac,
+	0x0a, 0x01, 0x0e, 0x11, 0x0a, 0x01, 0x00, 0xcf, 0x23, 0x84, 0xa0, 0x3f, 0x3c, 0xce, 0xd5, 0x4a,
+	0x72, 0x0b, 0x5d, 0x1a, 0x80, 0x10, 0x06, 0x01, 0x8a, 0x50, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a,
+	0xef, 0x1f, 0xa2, 0xba, 0xe6, 0xfa, 0xae, 0xb3, 0xfe, 0xcf, 0x00, 0x19, 0xcf, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x01, 0xb9, 0x79, 0xdd, 0x42, 0x00, 0x00, 0x02, 0x84, 0x9b, 0xa9, 0x02, 0xe2, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x06, 0x32, 0x39, 0x35, 0x34, 0x33, 0x36, 0x00, 0x00, 0x02, 0x70, 0xcd,
+	0x16, 0x40, 0xa6, 0x98, 0x88, 0x24, 0x06, 0x50, 0xb0, 0xf4, 0xee, 0x03, 0xa6, 0xfa, 0x87, 0xaf,
+	0xc1, 0x99, 0x52, 0x0d, 0x07, 0xa8, 0x00, 0x00, 0x03, 0xe9, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00,
+	0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x02, 0x00, 0x00, 0x00, 0xa8, 0x00, 0x00, 0x20, 0xf2, 0x00, 0x00, 0x02, 0x0a, 0x00, 0x00,
+	0x00, 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x58, 0x00, 0x00, 0x02, 0x0a, 0x00, 0x00,
+	0x00, 0x06, 0x00, 0x00, 0x00, 0x02, 0x54, 0x0b, 0xe4, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
+	0x00, 0x03, 0x00, 0x01, 0x29, 0x82, 0x6d, 0xb0, 0x6c, 0x0b, 0xcb, 0x0d, 0xdd, 0x96, 0x00, 0x06,
+	0xa8, 0xc6, 0x00, 0x00, 0x00, 0x7b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x34, 0x02, 0x35, 0x58, 0x7c, 0x9e, 0x56, 0x64, 0x25, 0x71, 0x00, 0x70,
+	0x5a, 0xc4, 0x00, 0x09, 0x08, 0xf1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x34, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x01, 0x00, 0x00, 0x00, 0xd0, 0x01, 0x5e, 0x5c, 0x1f, 0x00, 0x00, 0x02, 0x57, 0x00, 0x00,
+	0x07, 0xd0, 0xb1, 0x2f, 0xaa, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x57, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x90, 0x00, 0x00,
+	0x00, 0x01, 0x00, 0x00, 0x05, 0xee, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x80, 0x3c, 0x8a,
+	0xb0, 0xe7, 0x54, 0x41, 0xb8, 0xca, 0x3a, 0x6f, 0xbe, 0xd8, 0x08, 0x00, 0x45, 0x00, 0x05, 0xdc,
+	0x0f, 0xba, 0x40, 0x00, 0x40, 0x06, 0xf4, 0x3f, 0x0a, 0x01, 0x0e, 0x10, 0x0a, 0x01, 0x0f, 0x11,
+	0x23, 0x84, 0xcd, 0xc0, 0xf4, 0x0e, 0x90, 0x23, 0xd7, 0x32, 0x8b, 0x31, 0x80, 0x10, 0x00, 0x1d,
+	0x6b, 0x12, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0xef, 0x1f, 0xf4, 0x28, 0xef, 0x1f, 0xec, 0x76,
+	0xaa, 0x25, 0x01, 0x04, 0xc0, 0xac, 0xfe, 0x25, 0x01, 0x8e, 0x25, 0x01, 0x16, 0xc7, 0x28, 0xfe,
+	0x7e, 0x70, 0xfe, 0x7e, 0x70, 0x52, 0x7e, 0x70, 0x15, 0x9b, 0xfe, 0x35, 0x01, 0xfe, 0x35, 0x01,
+	0x42, 0x35, 0x01, 0xfe, 0x95, 0x77, 0xfe, 0x95, 0x77, 0xfe, 0x95, 0x77, 0x52, 0x95, 0x77, 0x00,
+	0xd2, 0xfe, 0x70, 0x02, 0x92, 0x70, 0x02, 0x16, 0x60, 0x22, 0x00, 0x7e, 0xb2, 0x15, 0x00, 0x00,
+	0x03, 0xe9, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0xd0, 0x01, 0x5a,
+	0xcd, 0xd1, 0x00, 0x00, 0x02, 0x55, 0x00, 0x00, 0x07, 0xd0, 0x95, 0x67, 0xe9, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x02, 0x55, 0x00, 0x00, 0x02, 0x57, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+	0x00, 0x01, 0x00, 0x00, 0x00, 0x90, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x05, 0xee, 0x00, 0x00,
+	0x00, 0x04, 0x00, 0x00, 0x00, 0x80, 0xb8, 0xca, 0x3a, 0x6f, 0xbe, 0xd8, 0xb8, 0xca, 0x3a, 0x6f,
+	0x11, 0x28, 0x08, 0x00, 0x45, 0x00, 0x05, 0xdc, 0xfe, 0x05, 0x40, 0x00, 0x40, 0x06, 0x06, 0xf4,
+	0x0a, 0x01, 0x0e, 0x11, 0x0a, 0x01, 0x0e, 0x10, 0x23, 0x84, 0xfa, 0x29, 0xae, 0xd4, 0x95, 0x03,
+	0x99, 0xb8, 0x77, 0xd0, 0x80, 0x10, 0x00, 0x1d, 0x6f, 0x4f, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a,
+	0xef, 0x1f, 0xa2, 0xcc, 0xef, 0x1f, 0xf4, 0x2c, 0xfe, 0xdb, 0x05, 0xa1, 0xdb, 0x04, 0x9e, 0xc0,
+	0xfe, 0x30, 0x08, 0xb2, 0x30, 0x08, 0xda, 0x2b, 0xbd, 0xfe, 0x2a, 0x01, 0xfe, 0x2a, 0x01, 0x21,
+	0x2a, 0x00, 0xb2, 0xfe, 0x57, 0xb0, 0xb6, 0x57, 0xb0, 0x14, 0x74, 0xf4, 0xf0, 0x4c, 0x05, 0x68,
+	0xfe, 0x54, 0x02, 0xfe, 0x54, 0x02, 0xd2, 0x54, 0x02, 0x00, 0xbe, 0xfe, 0x32, 0x0f, 0xb6, 0x32,
+	0x0f, 0x14, 0x2e, 0x16, 0xaf, 0x47, 0x00, 0x00, 0x03, 0xe9, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00,
+	0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x01, 0x00, 0x00, 0x00, 0x94, 0x01, 0x5e, 0x5c, 0x20, 0x00, 0x00, 0x02, 0x57, 0x00, 0x00,
+	0x07, 0xd0, 0xb1, 0x2f, 0xb2, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x57, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x54, 0x00, 0x00,
+	0x00, 0x01, 0x00, 0x00, 0x00, 0x46, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x42, 0x3c, 0x8a,
+	0xb0, 0xe7, 0x54, 0x41, 0xb8, 0xca, 0x3a, 0x6f, 0xbe, 0xd8, 0x08, 0x00, 0x45, 0x00, 0x00, 0x34,
+	0xa8, 0x23, 0x40, 0x00, 0x40, 0x06, 0x61, 0x7f, 0x0a, 0x01, 0x0e, 0x10, 0x0a, 0x01, 0x0f, 0x10,
+	0x97, 0x91, 0x23, 0x84, 0x24, 0xfa, 0x91, 0xf7, 0xb4, 0xe8, 0xf3, 0x2d, 0x80, 0x10, 0x00, 0xab,
+	0x7b, 0x7d, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0xef, 0x1f, 0xf4, 0x36, 0xef, 0x1f, 0xdc, 0xde,
+	0x00, 0x00, 0x00, 0x00, 0x03, 0xe9, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x02, 0x02, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+}
+
+// Test collected from the SFlow reference agent. Contains dummy data for several record types
+// that wern't available on an actual network for sampling.
+var SFlowTestPacket2 = []byte{
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
+	0x04, 0x88, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11, 0x38, 0x63, 0x7f, 0x00, 0x00, 0x01, 0x7f, 0x00,
+	0x00, 0x01, 0xdc, 0xb8, 0x18, 0xc7, 0x04, 0x74, 0x02, 0x88, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00,
+	0x00, 0x01, 0xc0, 0xa8, 0x5b, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb5, 0x3a, 0x00, 0x00,
+	0xcb, 0x20, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x01, 0x54, 0x00, 0x02,
+	0x1f, 0x6e, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02, 0x1f, 0x6e, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x3f, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00,
+	0x03, 0xed, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x14, 0x68, 0x74,
+	0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x77, 0x77, 0x77, 0x2e, 0x73, 0x66, 0x6c, 0x6f, 0x77, 0x2e, 0x6f,
+	0x72, 0x67, 0x00, 0x00, 0x00, 0x0f, 0x68, 0x6f, 0x73, 0x74, 0x31, 0x2e, 0x73, 0x66, 0x6c, 0x6f,
+	0x77, 0x2e, 0x6f, 0x72, 0x67, 0x06, 0x00, 0x00, 0x03, 0xec, 0x00, 0x00, 0x00, 0x2c, 0x00, 0x00,
+	0x00, 0x6a, 0x00, 0x00, 0x00, 0x0b, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x20, 0x75, 0x73, 0x65,
+	0x72, 0xdc, 0x00, 0x00, 0x00, 0x6a, 0x00, 0x00, 0x00, 0x10, 0x64, 0x65, 0x73, 0x74, 0x69, 0x6e,
+	0x61, 0x74, 0x69, 0x6f, 0x6e, 0x20, 0x75, 0x73, 0x65, 0x72, 0x00, 0x00, 0x03, 0xeb, 0x00, 0x00,
+	0x00, 0x64, 0x00, 0x00, 0x00, 0x01, 0x0d, 0x0c, 0x0b, 0x0a, 0x00, 0x00, 0xfd, 0xe9, 0x00, 0x00,
+	0x00, 0x7b, 0x00, 0x00, 0x03, 0xe7, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+	0x00, 0x03, 0x00, 0x00, 0x00, 0x7b, 0x00, 0x00, 0x01, 0xc8, 0x00, 0x00, 0x03, 0x15, 0x00, 0x00,
+	0x00, 0x01, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x2b, 0x67, 0x00, 0x00, 0x56, 0xce, 0x00, 0x00,
+	0x82, 0x35, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x09, 0x00, 0x00,
+	0x03, 0x78, 0x00, 0x00, 0x03, 0xe7, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00,
+	0x00, 0x0d, 0x00, 0x00, 0x01, 0xb0, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x54, 0x00, 0x00,
+	0x00, 0x01, 0x00, 0x00, 0x00, 0x46, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x42, 0x00, 0x0c,
+	0x29, 0x67, 0xa0, 0xe5, 0x00, 0x50, 0x56, 0xc0, 0x00, 0x09, 0x08, 0x00, 0x45, 0x10, 0x00, 0x34,
+	0x92, 0xc3, 0x40, 0x00, 0x40, 0x06, 0x70, 0x8d, 0xc0, 0xa8, 0x5b, 0x01, 0xc0, 0xa8, 0x5b, 0x11,
+	0xd3, 0xdd, 0x00, 0x16, 0xe3, 0x2e, 0x84, 0x77, 0x13, 0x6d, 0xc5, 0x53, 0x80, 0x10, 0x1f, 0xf7,
+	0xe7, 0x7d, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0x2e, 0xc6, 0x70, 0x3a, 0x00, 0x0f, 0x84, 0x7a,
+	0xbc, 0xd2, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x01, 0x90, 0x00, 0x02, 0x1f, 0x6f, 0x00, 0x00,
+	0x00, 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02, 0x1f, 0x6f, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xff,
+	0xff, 0xff, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0xed, 0x00, 0x00,
+	0x00, 0x30, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x14, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f,
+	0x2f, 0x77, 0x77, 0x77, 0x2e, 0x73, 0x66, 0x6c, 0x6f, 0x77, 0x2e, 0x6f, 0x72, 0x67, 0x00, 0x00,
+	0x00, 0x0f, 0x68, 0x6f, 0x73, 0x74, 0x31, 0x2e, 0x73, 0x66, 0x6c, 0x6f, 0x77, 0x2e, 0x6f, 0x72,
+	0x67, 0x03, 0x00, 0x00, 0x03, 0xec, 0x00, 0x00, 0x00, 0x2c, 0x00, 0x00, 0x00, 0x6a, 0x00, 0x00,
+	0x00, 0x0b, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x20, 0x75, 0x73, 0x65, 0x72, 0x77, 0x00, 0x00,
+	0x00, 0x6a, 0x00, 0x00, 0x00, 0x10, 0x64, 0x65, 0x73, 0x74, 0x69, 0x6e, 0x61, 0x74, 0x69, 0x6f,
+	0x6e, 0x20, 0x75, 0x73, 0x65, 0x72, 0x00, 0x00, 0x03, 0xeb, 0x00, 0x00, 0x00, 0x64, 0x00, 0x00,
+	0x00, 0x01, 0x0d, 0x0c, 0x0b, 0x0a, 0x00, 0x00, 0xfd, 0xe9, 0x00, 0x00, 0x00, 0x7b, 0x00, 0x00,
+	0x03, 0xe7, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00,
+	0x00, 0x7b, 0x00, 0x00, 0x01, 0xc8, 0x00, 0x00, 0x03, 0x15, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
+	0x00, 0x03, 0x00, 0x00, 0x2b, 0x67, 0x00, 0x00, 0x56, 0xce, 0x00, 0x00, 0x82, 0x35, 0x00, 0x00,
+	0x00, 0x02, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0x09, 0x00, 0x00, 0x03, 0x78, 0x00, 0x00,
+	0x03, 0xe7, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00,
+	0x01, 0xb0, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x90, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
+	0x01, 0x86, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x80, 0x00, 0x50, 0x56, 0xc0, 0x00, 0x09,
+	0x00, 0x0c, 0x29, 0x67, 0xa0, 0xe5, 0x08, 0x00, 0x45, 0x10, 0x01, 0x74, 0xbb, 0xfa, 0x40, 0x00,
+	0x40, 0x06, 0x46, 0x16, 0xc0, 0xa8, 0x5b, 0x11, 0xc0, 0xa8, 0x5b, 0x01, 0x00, 0x16, 0xd3, 0xdd,
+	0x13, 0x6d, 0xc5, 0x53, 0xe3, 0x2e, 0x84, 0x77, 0x80, 0x18, 0x01, 0x10, 0x38, 0xca, 0x00, 0x00,
+	0x01, 0x01, 0x08, 0x0a, 0x00, 0x0f, 0x84, 0x7d, 0x2e, 0xc6, 0x70, 0x3a, 0xe3, 0x92, 0x97, 0x1a,
+	0x67, 0x3b, 0xac, 0xec, 0xfa, 0x43, 0x71, 0x5e, 0x36, 0xa1, 0x0a, 0xc6, 0x1a, 0x6a, 0xed, 0x08,
+	0xac, 0xf4, 0xbe, 0xd8, 0x36, 0x59, 0xf6, 0xe2, 0x3d, 0x34, 0x26, 0xf2, 0x42, 0xbd, 0x32, 0xd3,
+	0x37, 0x52, 0xb8, 0xf4, 0x38, 0xf0, 0xf4, 0xeb, 0x76, 0x3b, 0xda, 0x23, 0xf1, 0x92, 0x96, 0xca,
+	0xbb, 0x9c, 0x20, 0x0a, 0x38, 0x37, 0x6f, 0xd9, 0x26, 0xe6, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
+	0x01, 0x54, 0x00, 0x02, 0x1f, 0x70, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02,
+	0x1f, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x3f, 0xff, 0xff, 0xff, 0x00, 0x00,
+	0x00, 0x04, 0x00, 0x00, 0x03, 0xed, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
+	0x00, 0x14, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x77, 0x77, 0x77, 0x2e, 0x73, 0x66, 0x6c,
+	0x6f, 0x77, 0x2e, 0x6f, 0x72, 0x67, 0x00, 0x00, 0x00, 0x0f, 0x68, 0x6f, 0x73, 0x74, 0x31, 0x2e,
+	0x73, 0x66, 0x6c, 0x6f, 0x77, 0x2e, 0x6f, 0x72, 0x67, 0xff, 0x00, 0x00, 0x03, 0xec, 0x00, 0x00,
+	0x00, 0x2c, 0x00, 0x00, 0x00, 0x6a, 0x00, 0x00, 0x00, 0x0b, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65,
+	0x20, 0x75, 0x73, 0x65, 0x72, 0x77, 0x00, 0x00, 0x00, 0x6a, 0x00, 0x00, 0x00, 0x10, 0x64, 0x65,
+	0x73, 0x74, 0x69, 0x6e, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x20, 0x75, 0x73, 0x65, 0x72, 0x00, 0x00,
+	0x03, 0xeb, 0x00, 0x00, 0x00, 0x64, 0x00, 0x00, 0x00, 0x01, 0x0d, 0x0c, 0x0b, 0x0a, 0x00, 0x00,
+	0xfd, 0xe9, 0x00, 0x00, 0x00, 0x7b, 0x00, 0x00, 0x03, 0xe7, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00,
+	0x00, 0x02, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x7b, 0x00, 0x00, 0x01, 0xc8, 0x00, 0x00,
+	0x03, 0x15, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x2b, 0x67, 0x00, 0x00,
+	0x56, 0xce, 0x00, 0x00, 0x82, 0x35, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00,
+	0x03, 0x09, 0x00, 0x00, 0x03, 0x78, 0x00, 0x00, 0x03, 0xe7, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+	0x00, 0x0c, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x01, 0xb0, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
+	0x00, 0x54, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x46, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00,
+	0x00, 0x42, 0x00, 0x0c, 0x29, 0x67, 0xa0, 0xe5, 0x00, 0x50, 0x56, 0xc0, 0x00, 0x09, 0x08, 0x00,
+	0x45, 0x10, 0x00, 0x34, 0x65, 0x7d, 0x40, 0x00, 0x40, 0x06, 0x9d, 0xd3, 0xc0, 0xa8, 0x5b, 0x01,
+	0xc0, 0xa8, 0x5b, 0x11, 0xd3, 0xdd, 0x00, 0x16, 0xe3, 0x2e, 0x84, 0x77, 0x13, 0x6d, 0xc6, 0x93,
+	0x80, 0x10, 0x1f, 0xec, 0xe6, 0x43, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0x2e, 0xc6, 0x70, 0x3c,
+	0x00, 0x0f, 0x84, 0x7d, 0x00, 0x50,
+}
+
+// processor counter sample
+var SFlowTestPacket3 = []byte{
+	0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x01,
+	0x0a, 0x14, 0x04, 0x00, 0x00, 0x00, 0x00, 0x64,
+	0x00, 0x01, 0x78, 0xe0, 0x73, 0x03, 0x48, 0x78,
+	0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x04,
+	0x00, 0x00, 0x00, 0x34, 0x00, 0x01, 0x78, 0xe0,
+	0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01,
+	0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x03, 0xe9,
+	0x00, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x05, 0xaa,
+	0x00, 0x00, 0x05, 0x5a, 0x00, 0x00, 0x05, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0xe7, 0x8d, 0x70, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x55, 0xe7, 0x70, 0x00,
+}
+
+// expanded flow sample - extended switch flow record
+var SFlowTestPacket4 = []byte{
+	0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x01,
+	0xc0, 0xa8, 0x01, 0x07, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x02, 0x7e, 0x32, 0xe0, 0xe4, 0x7c,
+	0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
+	0x00, 0x00, 0x00, 0x38, 0x00, 0x00, 0x01, 0x23,
+	0x00, 0x00, 0x00, 0x1d, 0x00, 0x00, 0x01, 0x00,
+	0x00, 0x00, 0x03, 0x37, 0x00, 0x00, 0x56, 0x23,
+	0x00, 0x00, 0x00, 0x1d, 0x00, 0x00, 0x00, 0x04,
+	0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x03, 0xe9,
+	0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x03,
+	0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x05,
+	0xff, 0xff, 0xff, 0xff,
+}
+
+// expanded flow sample - extended router flow record
+var SFlowTestPacket5 = []byte{
+	0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x01,
+	0xc0, 0xa8, 0x01, 0x12, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x02, 0x7e, 0x32, 0xe0, 0xe4, 0x7c,
+	0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
+	0x00, 0x00, 0x00, 0x34, 0x00, 0x00, 0x01, 0x23,
+	0x00, 0x00, 0x00, 0x1d, 0x00, 0x00, 0x01, 0x00,
+	0x00, 0x00, 0x03, 0x34, 0x00, 0x00, 0x56, 0x02,
+	0x00, 0x00, 0x00, 0x1d, 0x00, 0x00, 0x00, 0x04,
+	0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x03, 0xea,
+	0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x01,
+	0xc0, 0xa8, 0x01, 0x21, 0xff, 0xff, 0xff, 0xff,
+	0xff, 0xff, 0xff, 0x80,
+}
+
+// expanded flow sample - Ipv4 Tunnel Ingress record
+var SFlowTestPacket6 = []byte{
+	0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x01, 0x7f, 0x00, 0x00, 0x01,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x72, 0x00, 0x01, 0xbd, 0x50,
+	0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x48,
+	0x00, 0x00, 0x00, 0x74, 0x02, 0x00, 0x03, 0xe8, 0x00, 0x00, 0x00, 0x01,
+	0x00, 0x00, 0x00, 0x74, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x80, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x04, 0x00,
+	0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2f,
+	0xc0, 0xa8, 0x00, 0x54, 0xc0, 0xa8, 0x00, 0x53, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+}
+
+// expanded flow sample - Ipv4 Tunnel Egress record
+var SFlowTestPacket7 = []byte{
+	0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x01, 0x7f, 0x00, 0x00, 0x01,
+	0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x12, 0x00, 0x00, 0x42, 0x68,
+	0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x48,
+	0x00, 0x00, 0x00, 0x12, 0x02, 0x00, 0x03, 0xe9, 0x00, 0x00, 0x00, 0x01,
+	0x00, 0x00, 0x00, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6c,
+	0x80, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
+	0x00, 0x00, 0x03, 0xff, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xa8, 0x00, 0x54,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00,
+}
+
+// expanded flow sample - extended router flow record IPv6 next hop
+var SFlowTestPacket8 = []byte{
+	0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x01,
+	0xc0, 0xa8, 0x01, 0x12, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x02, 0x7e, 0x32, 0xe0, 0xe4, 0x7c,
+	0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
+	0x00, 0x00, 0x00, 0x34, 0x00, 0x00, 0x01, 0x23,
+	0x00, 0x00, 0x00, 0x1d, 0x00, 0x00, 0x01, 0x00,
+	0x00, 0x00, 0x03, 0x34, 0x00, 0x00, 0x56, 0x02,
+	0x00, 0x00, 0x00, 0x1d, 0x00, 0x00, 0x00, 0x04,
+	0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x03, 0xea,
+	0x00, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x00, 0x02,
+	0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80,
+}
+
+func TestDecodeUDPSFlow(t *testing.T) {
+	p := gopacket.NewPacket(SFlowTestPacket1, LayerTypeEthernet, gopacket.Default)
+	if p.ErrorLayer() != nil {
+		t.Error("Failed to decode packet:", p.ErrorLayer().Error())
+	}
+	checkLayers(p, []gopacket.LayerType{LayerTypeEthernet, LayerTypeIPv4, LayerTypeUDP, LayerTypeSFlow}, t)
+	if got, ok := p.TransportLayer().(*UDP); ok {
+		want := &UDP{
+			BaseLayer: BaseLayer{SFlowTestPacket1[34:42], SFlowTestPacket1[42:]},
+			sPort:     []byte{199, 87},
+			dPort:     []byte{24, 199},
+			SrcPort:   51031,
+			DstPort:   6343,
+			Checksum:  8763,
+			Length:    1448,
+		}
+		if !reflect.DeepEqual(want, got) {
+			t.Errorf("UDP layer mismatch, \nwant  %#v\ngot %#v\n", want, got)
+		}
+	} else {
+		t.Error("Transport layer packet not UDP")
+	}
+}
+
+func TestDecodeSFlowDatagram(t *testing.T) {
+	p := gopacket.NewPacket(SFlowTestPacket1, LayerTypeEthernet, gopacket.Default)
+	if p.ErrorLayer() != nil {
+		t.Error("Failed to decode packet:", p.ErrorLayer().Error())
+	}
+	checkLayers(p, []gopacket.LayerType{LayerTypeEthernet, LayerTypeIPv4, LayerTypeUDP, LayerTypeSFlow}, t)
+	if got, ok := p.ApplicationLayer().(*SFlowDatagram); ok {
+		want := &SFlowDatagram{
+			DatagramVersion: uint32(5),
+			AgentAddress:    []byte{0xa, 0x1, 0xf8, 0x16},
+			SubAgentID:      uint32(17),
+			SequenceNumber:  uint32(40443),
+			AgentUptime:     uint32(1078576845),
+			SampleCount:     uint32(7),
+			FlowSamples: []SFlowFlowSample{
+				SFlowFlowSample{
+					EnterpriseID:    0x0,
+					Format:          0x1,
+					SampleLength:    0xd0,
+					SequenceNumber:  0x2627e8,
+					SourceIDClass:   0x0,
+					SourceIDIndex:   0x213,
+					SamplingRate:    0x3e80,
+					SamplePool:      0x50bde580,
+					Dropped:         0x0,
+					InputInterface:  0x213,
+					OutputInterface: 0x0,
+					RecordCount:     0x2,
+					Records: []SFlowRecord{
+						SFlowRawPacketFlowRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0x0,
+								Format:         0x1,
+								FlowDataLength: 0x90,
+							},
+							HeaderProtocol: 0x1,
+							FrameLength:    0x5d2,
+							PayloadRemoved: 0x4,
+							HeaderLength:   0x80,
+							Header:         gopacket.NewPacket(SFlowTestPacket1[134:262], LayerTypeEthernet, gopacket.Default),
+						},
+						SFlowExtendedSwitchFlowRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0x0,
+								Format:         0x3e9,
+								FlowDataLength: 0x10,
+							},
+							IncomingVLAN:         0x202,
+							IncomingVLANPriority: 0x0,
+							OutgoingVLAN:         0x0,
+							OutgoingVLANPriority: 0x0,
+						},
+					},
+				},
+				SFlowFlowSample{
+					EnterpriseID:    0x0,
+					Format:          0x1,
+					SampleLength:    0xd0,
+					SequenceNumber:  0x15e5c1e,
+					SourceIDClass:   0x0,
+					SourceIDIndex:   0x257,
+					SamplingRate:    0x7d0,
+					SamplePool:      0xb12fa290,
+					Dropped:         0x0,
+					InputInterface:  0x257,
+					OutputInterface: 0x0,
+					RecordCount:     0x2,
+					Records: []SFlowRecord{
+						SFlowRawPacketFlowRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0x0,
+								Format:         0x1,
+								FlowDataLength: 0x90,
+							},
+							HeaderProtocol: 0x1,
+							FrameLength:    0x5ee,
+							PayloadRemoved: 0x4,
+							HeaderLength:   0x80,
+							Header:         gopacket.NewPacket(SFlowTestPacket1[350:478], LayerTypeEthernet, gopacket.Default),
+						},
+						SFlowExtendedSwitchFlowRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0x0,
+								Format:         0x3e9,
+								FlowDataLength: 0x10,
+							},
+							IncomingVLAN:         0x202,
+							IncomingVLANPriority: 0x0,
+							OutgoingVLAN:         0x0,
+							OutgoingVLANPriority: 0x0,
+						},
+					},
+				},
+				SFlowFlowSample{
+					EnterpriseID:    0x0,
+					Format:          0x1,
+					SampleLength:    0xd0,
+					SequenceNumber:  0x15acdd0,
+					SourceIDClass:   0x0,
+					SourceIDIndex:   0x255,
+					SamplingRate:    0x7d0,
+					SamplePool:      0x9567e130,
+					Dropped:         0x0,
+					InputInterface:  0x255,
+					OutputInterface: 0x0,
+					RecordCount:     0x2,
+					Records: []SFlowRecord{
+						SFlowRawPacketFlowRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0x0,
+								Format:         0x1,
+								FlowDataLength: 0x90,
+							},
+							HeaderProtocol: 0x1,
+							FrameLength:    0x446,
+							PayloadRemoved: 0x4,
+							HeaderLength:   0x80,
+							Header:         gopacket.NewPacket(SFlowTestPacket1[566:694], LayerTypeEthernet, gopacket.Default),
+						},
+						SFlowExtendedSwitchFlowRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0x0,
+								Format:         0x3e9,
+								FlowDataLength: 0x10,
+							},
+							IncomingVLAN:         0x202,
+							IncomingVLANPriority: 0x0,
+							OutgoingVLAN:         0x0,
+							OutgoingVLANPriority: 0x0,
+						},
+					},
+				},
+				SFlowFlowSample{
+					EnterpriseID:    0x0,
+					Format:          0x1,
+					SampleLength:    0xd0,
+					SequenceNumber:  0x15e5c1f,
+					SourceIDClass:   0x0,
+					SourceIDIndex:   0x257,
+					SamplingRate:    0x7d0,
+					SamplePool:      0xb12faa60,
+					Dropped:         0x0,
+					InputInterface:  0x257,
+					OutputInterface: 0x0,
+					RecordCount:     0x2,
+					Records: []SFlowRecord{
+						SFlowRawPacketFlowRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0x0,
+								Format:         0x1,
+								FlowDataLength: 0x90,
+							},
+							HeaderProtocol: 0x1,
+							FrameLength:    0x5ee,
+							PayloadRemoved: 0x4,
+							HeaderLength:   0x80,
+							Header:         gopacket.NewPacket(SFlowTestPacket1[958:1086], LayerTypeEthernet, gopacket.Default),
+						},
+						SFlowExtendedSwitchFlowRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0x0,
+								Format:         0x3e9,
+								FlowDataLength: 0x10,
+							},
+							IncomingVLAN:         0x202,
+							IncomingVLANPriority: 0x0,
+							OutgoingVLAN:         0x0,
+							OutgoingVLANPriority: 0x0,
+						},
+					},
+				},
+				SFlowFlowSample{
+					EnterpriseID:    0x0,
+					Format:          0x1,
+					SampleLength:    0xd0,
+					SequenceNumber:  0x15acdd1,
+					SourceIDClass:   0x0,
+					SourceIDIndex:   0x255,
+					SamplingRate:    0x7d0,
+					SamplePool:      0x9567e900,
+					Dropped:         0x0,
+					InputInterface:  0x255,
+					OutputInterface: 0x257,
+					RecordCount:     0x2,
+					Records: []SFlowRecord{
+						SFlowRawPacketFlowRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0x0,
+								Format:         0x1,
+								FlowDataLength: 0x90,
+							},
+							HeaderProtocol: 0x1,
+							FrameLength:    0x5ee,
+							PayloadRemoved: 0x4,
+							HeaderLength:   0x80,
+							Header:         gopacket.NewPacket(SFlowTestPacket1[1174:1302], LayerTypeEthernet, gopacket.Default),
+						},
+						SFlowExtendedSwitchFlowRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0x0,
+								Format:         0x3e9,
+								FlowDataLength: 0x10,
+							},
+							IncomingVLAN:         0x202,
+							IncomingVLANPriority: 0x0,
+							OutgoingVLAN:         0x202,
+							OutgoingVLANPriority: 0x0,
+						},
+					},
+				},
+				SFlowFlowSample{
+					EnterpriseID:    0x0,
+					Format:          0x1,
+					SampleLength:    0x94,
+					SequenceNumber:  0x15e5c20,
+					SourceIDClass:   0x0,
+					SourceIDIndex:   0x257,
+					SamplingRate:    0x7d0,
+					SamplePool:      0xb12fb230,
+					Dropped:         0x0,
+					InputInterface:  0x257,
+					OutputInterface: 0x0,
+					RecordCount:     0x2,
+					Records: []SFlowRecord{
+						SFlowRawPacketFlowRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0x0,
+								Format:         0x1,
+								FlowDataLength: 0x54,
+							},
+							HeaderProtocol: 0x1,
+							FrameLength:    0x46,
+							PayloadRemoved: 0x4,
+							HeaderLength:   0x42,
+							Header:         gopacket.NewPacket(SFlowTestPacket1[1390:1458], LayerTypeEthernet, gopacket.Default),
+						},
+						SFlowExtendedSwitchFlowRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0x0,
+								Format:         0x3e9,
+								FlowDataLength: 0x10,
+							},
+							IncomingVLAN:         0x202,
+							IncomingVLANPriority: 0x0,
+							OutgoingVLAN:         0x0,
+							OutgoingVLANPriority: 0x0,
+						},
+					},
+				},
+			},
+			CounterSamples: []SFlowCounterSample{
+				SFlowCounterSample{
+					Format:         0x2,
+					SampleLength:   0xa8,
+					SequenceNumber: 0x20f2,
+					SourceIDClass:  0x0,
+					SourceIDIndex:  0x20a,
+					RecordCount:    0x2,
+					Records: []SFlowRecord{
+						SFlowGenericInterfaceCounters{
+							SFlowBaseCounterRecord: SFlowBaseCounterRecord{
+								EnterpriseID:   0x0,
+								Format:         0x1,
+								FlowDataLength: 0x58,
+							},
+							IfIndex:            0x20a,
+							IfType:             0x6,
+							IfSpeed:            0x2540be400,
+							IfDirection:        0x1,
+							IfStatus:           0x3,
+							IfInOctets:         0x129826db06c0b,
+							IfInUcastPkts:      0xcb0ddd96,
+							IfInMulticastPkts:  0x6a8c6,
+							IfInBroadcastPkts:  0x7b,
+							IfInDiscards:       0x0,
+							IfInErrors:         0x0,
+							IfInUnknownProtos:  0x0,
+							IfOutOctets:        0x340235587c9e,
+							IfOutUcastPkts:     0x56642571,
+							IfOutMulticastPkts: 0x705ac4,
+							IfOutBroadcastPkts: 0x908f1,
+							IfOutDiscards:      0x0,
+							IfOutErrors:        0x0,
+							IfPromiscuousMode:  0x0,
+						},
+						SFlowEthernetCounters{
+							SFlowBaseCounterRecord: SFlowBaseCounterRecord{
+								EnterpriseID:   0x0,
+								Format:         0x2,
+								FlowDataLength: 0x34,
+							},
+							AlignmentErrors:           0x0,
+							FCSErrors:                 0x0,
+							SingleCollisionFrames:     0x0,
+							MultipleCollisionFrames:   0x0,
+							SQETestErrors:             0x0,
+							DeferredTransmissions:     0x0,
+							LateCollisions:            0x0,
+							ExcessiveCollisions:       0x0,
+							InternalMacTransmitErrors: 0x0,
+							CarrierSenseErrors:        0x0,
+							FrameTooLongs:             0x0,
+							InternalMacReceiveErrors:  0x0,
+							SymbolErrors:              0x0,
+						},
+					},
+				},
+			},
+		}
+		if !reflect.DeepEqual(want, got) {
+			t.Errorf("SFlow layer mismatch, \nwant:\n\n%#v\ngot:\n\n\n%#v\n\n", want, got)
+		}
+	} else {
+		t.Error("Application layer packet not UDP")
+	}
+}
+
+func TestPacketPacket0(t *testing.T) {
+	p := gopacket.NewPacket(SFlowTestPacket2, LinkTypeEthernet, gopacket.Default)
+	if p.ErrorLayer() != nil {
+		t.Error("Failed to decode packet:", p.ErrorLayer().Error())
+	}
+	checkLayers(p, []gopacket.LayerType{LayerTypeEthernet, LayerTypeIPv4, LayerTypeUDP, LayerTypeSFlow}, t)
+	if got, ok := p.ApplicationLayer().(*SFlowDatagram); ok {
+		want := &SFlowDatagram{
+			DatagramVersion: uint32(5),
+			AgentAddress:    []byte{192, 168, 91, 17},
+			SubAgentID:      uint32(0),
+			SequenceNumber:  uint32(46394),
+			AgentUptime:     uint32(52000),
+			SampleCount:     uint32(3),
+			FlowSamples: []SFlowFlowSample{
+				SFlowFlowSample{
+					EnterpriseID:    0x0,
+					Format:          0x1,
+					SampleLength:    340,
+					SequenceNumber:  139118,
+					SourceIDClass:   0,
+					SourceIDIndex:   3,
+					SamplingRate:    1,
+					SamplePool:      139118,
+					Dropped:         0,
+					InputInterface:  3,
+					OutputInterface: 1073741823,
+					RecordCount:     4,
+					Records: []SFlowRecord{
+						SFlowExtendedURLRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0,
+								Format:         1005,
+								FlowDataLength: 48,
+							},
+							Direction: SFlowURLsrc,
+							URL:       "http://www.sflow.org",
+							Host:      "host1.sflow.org",
+						},
+						SFlowExtendedUserFlow{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0,
+								Format:         1004,
+								FlowDataLength: 44,
+							},
+							SourceCharSet:      SFlowCSUTF8,
+							SourceUserID:       "source user",
+							DestinationCharSet: SFlowCSUTF8,
+							DestinationUserID:  "destination user",
+						},
+						SFlowExtendedGatewayFlowRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0,
+								Format:         1003,
+								FlowDataLength: 100,
+							},
+							NextHop:     []byte{0x0d, 0x0c, 0x0b, 0x0a},
+							AS:          65001,
+							SourceAS:    123,
+							PeerAS:      999,
+							ASPathCount: 3,
+							ASPath: []SFlowASDestination{
+								SFlowASDestination{
+									Type:    SFlowASSequence,
+									Count:   3,
+									Members: []uint32{123, 456, 789},
+								},
+								SFlowASDestination{
+									Type:    SFlowASSet,
+									Count:   3,
+									Members: []uint32{11111, 22222, 33333},
+								},
+								SFlowASDestination{
+									Type:    SFlowASSequence,
+									Count:   3,
+									Members: []uint32{777, 888, 999},
+								},
+							},
+							Communities: []uint32{12, 13},
+							LocalPref:   432,
+						},
+						SFlowRawPacketFlowRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0x0,
+								Format:         0x1,
+								FlowDataLength: 84,
+							},
+							HeaderProtocol: 1,
+							FrameLength:    70,
+							PayloadRemoved: 4,
+							HeaderLength:   0x42,
+							Header:         gopacket.NewPacket(SFlowTestPacket2[350:418], LayerTypeEthernet, gopacket.Default),
+						},
+					},
+				},
+				SFlowFlowSample{
+					EnterpriseID:    0x0,
+					Format:          0x1,
+					SampleLength:    400,
+					SequenceNumber:  139119,
+					SourceIDClass:   0,
+					SourceIDIndex:   3,
+					SamplingRate:    1,
+					SamplePool:      139119,
+					Dropped:         0,
+					InputInterface:  1073741823,
+					OutputInterface: 3,
+					RecordCount:     4,
+					Records: []SFlowRecord{
+						SFlowExtendedURLRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0,
+								Format:         1005,
+								FlowDataLength: 48,
+							},
+							Direction: SFlowURLsrc,
+							URL:       "http://www.sflow.org",
+							Host:      "host1.sflow.org",
+						},
+						SFlowExtendedUserFlow{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0,
+								Format:         1004,
+								FlowDataLength: 44,
+							},
+							SourceCharSet:      SFlowCSUTF8,
+							SourceUserID:       "source user",
+							DestinationCharSet: SFlowCSUTF8,
+							DestinationUserID:  "destination user",
+						},
+						SFlowExtendedGatewayFlowRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0,
+								Format:         1003,
+								FlowDataLength: 100,
+							},
+							NextHop:     []byte{0x0d, 0x0c, 0x0b, 0x0a},
+							AS:          65001,
+							SourceAS:    123,
+							PeerAS:      999,
+							ASPathCount: 3,
+							ASPath: []SFlowASDestination{
+								SFlowASDestination{
+									Type:    SFlowASSequence,
+									Count:   3,
+									Members: []uint32{123, 456, 789},
+								},
+								SFlowASDestination{
+									Type:    SFlowASSet,
+									Count:   3,
+									Members: []uint32{11111, 22222, 33333},
+								},
+								SFlowASDestination{
+									Type:    SFlowASSequence,
+									Count:   3,
+									Members: []uint32{777, 888, 999},
+								},
+							},
+							Communities: []uint32{12, 13},
+							LocalPref:   432,
+						},
+						SFlowRawPacketFlowRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0x0,
+								Format:         0x1,
+								FlowDataLength: 144,
+							},
+							HeaderProtocol: 1,
+							FrameLength:    390,
+							PayloadRemoved: 4,
+							HeaderLength:   0x80,
+							Header:         gopacket.NewPacket(SFlowTestPacket2[698:826], LayerTypeEthernet, gopacket.Default),
+						},
+					},
+				},
+				SFlowFlowSample{
+					EnterpriseID:    0x0,
+					Format:          0x1,
+					SampleLength:    340,
+					SequenceNumber:  139120,
+					SourceIDClass:   0,
+					SourceIDIndex:   3,
+					SamplingRate:    1,
+					SamplePool:      139120,
+					Dropped:         0,
+					InputInterface:  3,
+					OutputInterface: 1073741823,
+					RecordCount:     4,
+					Records: []SFlowRecord{
+						SFlowExtendedURLRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0,
+								Format:         1005,
+								FlowDataLength: 48,
+							},
+							Direction: SFlowURLsrc,
+							URL:       "http://www.sflow.org",
+							Host:      "host1.sflow.org",
+						},
+						SFlowExtendedUserFlow{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0,
+								Format:         1004,
+								FlowDataLength: 44,
+							},
+							SourceCharSet:      SFlowCSUTF8,
+							SourceUserID:       "source user",
+							DestinationCharSet: SFlowCSUTF8,
+							DestinationUserID:  "destination user",
+						},
+						SFlowExtendedGatewayFlowRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0,
+								Format:         1003,
+								FlowDataLength: 100,
+							},
+							NextHop:     []byte{0x0d, 0x0c, 0x0b, 0x0a},
+							AS:          65001,
+							SourceAS:    123,
+							PeerAS:      999,
+							ASPathCount: 3,
+							ASPath: []SFlowASDestination{
+								SFlowASDestination{
+									Type:    SFlowASSequence,
+									Count:   3,
+									Members: []uint32{123, 456, 789},
+								},
+								SFlowASDestination{
+									Type:    SFlowASSet,
+									Count:   3,
+									Members: []uint32{11111, 22222, 33333},
+								},
+								SFlowASDestination{
+									Type:    SFlowASSequence,
+									Count:   3,
+									Members: []uint32{777, 888, 999},
+								},
+							},
+							Communities: []uint32{12, 13},
+							LocalPref:   432,
+						},
+						SFlowRawPacketFlowRecord{
+							SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+								EnterpriseID:   0x0,
+								Format:         0x1,
+								FlowDataLength: 84,
+							},
+							HeaderProtocol: 1,
+							FrameLength:    70,
+							PayloadRemoved: 4,
+							HeaderLength:   0x42,
+							Header:         gopacket.NewPacket(SFlowTestPacket2[1106:1174], LayerTypeEthernet, gopacket.Default),
+						},
+					},
+				},
+			},
+		}
+		if !reflect.DeepEqual(want, got) {
+			t.Errorf("SFlow layer mismatch, \nwant:\n\n%#v\ngot:\n\n\n%#v\n\n", want, got)
+		}
+	} else {
+		t.Error("Application layer packet not UDP")
+	}
+}
+
+func TestDecodeProcessorCounter(t *testing.T) {
+	p := gopacket.NewPacket(SFlowTestPacket3, LayerTypeSFlow, gopacket.Default)
+
+	if p.ErrorLayer() != nil {
+		t.Error("Failed to decode packet:", p.ErrorLayer().Error())
+	}
+	checkLayers(p, []gopacket.LayerType{LayerTypeSFlow}, t)
+
+	got := p.ApplicationLayer().(*SFlowDatagram)
+
+	want := &SFlowDatagram{
+		DatagramVersion: uint32(5),
+		AgentAddress:    []byte{0x0a, 0x14, 0x04, 0x00},
+		SubAgentID:      uint32(0x64),
+		SequenceNumber:  uint32(96480),
+		AgentUptime:     uint32(1929595000),
+		SampleCount:     uint32(1),
+		CounterSamples: []SFlowCounterSample{
+			SFlowCounterSample{
+				Format:         SFlowTypeExpandedCounterSample,
+				SampleLength:   0x34,
+				SequenceNumber: 0x0178e0,
+				SourceIDClass:  0x00,
+				SourceIDIndex:  0x01,
+				RecordCount:    0x01,
+				Records: []SFlowRecord{
+					SFlowProcessorCounters{
+						SFlowBaseCounterRecord: SFlowBaseCounterRecord{
+							EnterpriseID:   0x0,
+							Format:         SFlowTypeProcessorCounters,
+							FlowDataLength: 0x1c,
+						},
+						FiveSecCpu:  0x05aa,
+						OneMinCpu:   0x055a,
+						FiveMinCpu:  0x0532,
+						TotalMemory: 0xe78d7000,
+						FreeMemory:  0x55e77000,
+					},
+				},
+			},
+		},
+	}
+	if !reflect.DeepEqual(want, got) {
+		t.Errorf("SFlow layer mismatch, \nwant:\n\n%#v\ngot:\n\n\n%#v\n\n", want, got)
+	}
+}
+
+func TestDecodeExtendedSwitchFlow(t *testing.T) {
+	p := gopacket.NewPacket(SFlowTestPacket4, LayerTypeSFlow, gopacket.Default)
+
+	if p.ErrorLayer() != nil {
+		t.Error("Failed to decode packet:", p.ErrorLayer().Error())
+	}
+	checkLayers(p, []gopacket.LayerType{LayerTypeSFlow}, t)
+
+	got := p.ApplicationLayer().(*SFlowDatagram)
+
+	want := &SFlowDatagram{
+		DatagramVersion: uint32(5),
+		AgentAddress:    []byte{0xc0, 0xa8, 0x01, 0x07},
+		SubAgentID:      uint32(0x00),
+		SequenceNumber:  uint32(0x027e),
+		AgentUptime:     uint32(0x32e0e47c),
+		SampleCount:     uint32(1),
+		FlowSamples: []SFlowFlowSample{
+			SFlowFlowSample{
+				Format:                SFlowTypeFlowSample,
+				SampleLength:          0x38,
+				SequenceNumber:        0x123,
+				SourceIDClass:         0x00,
+				SourceIDIndex:         0x1d,
+				SamplingRate:          0x100,
+				SamplePool:            0x337,
+				Dropped:               0x5623,
+				InputInterfaceFormat:  0x00,
+				InputInterface:        0x1d,
+				OutputInterfaceFormat: 0x00,
+				OutputInterface:       0x04,
+				RecordCount:           0x01,
+				Records: []SFlowRecord{
+					SFlowExtendedSwitchFlowRecord{
+						SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+							EnterpriseID:   0x0,
+							Format:         SFlowTypeExtendedSwitchFlow,
+							FlowDataLength: 0x10,
+						},
+						IncomingVLAN:         0x03,
+						IncomingVLANPriority: 0x02,
+						OutgoingVLAN:         0x05,
+						OutgoingVLANPriority: 0xffffffff,
+					},
+				},
+			},
+		},
+	}
+	if !reflect.DeepEqual(want, got) {
+		t.Errorf("SFlow layer mismatch, \nwant:\n\n%#v\ngot:\n\n\n%#v\n\n", want, got)
+	}
+}
+
+func TestDecodeExtendedRouterFlow(t *testing.T) {
+	p := gopacket.NewPacket(SFlowTestPacket5, LayerTypeSFlow, gopacket.Default)
+
+	if p.ErrorLayer() != nil {
+		t.Error("Failed to decode packet:", p.ErrorLayer().Error())
+	}
+	checkLayers(p, []gopacket.LayerType{LayerTypeSFlow}, t)
+
+	got := p.ApplicationLayer().(*SFlowDatagram)
+
+	want := &SFlowDatagram{
+		DatagramVersion: uint32(5),
+		AgentAddress:    []byte{0xc0, 0xa8, 0x01, 0x12},
+		SubAgentID:      uint32(0x00),
+		SequenceNumber:  uint32(0x027e),
+		AgentUptime:     uint32(0x32e0e47c),
+		SampleCount:     uint32(1),
+		FlowSamples: []SFlowFlowSample{
+			SFlowFlowSample{
+				Format:                SFlowTypeFlowSample,
+				SampleLength:          0x34,
+				SequenceNumber:        0x123,
+				SourceIDClass:         0x00,
+				SourceIDIndex:         0x1d,
+				SamplingRate:          0x100,
+				SamplePool:            0x334,
+				Dropped:               0x5602,
+				InputInterfaceFormat:  0x00,
+				InputInterface:        0x1d,
+				OutputInterfaceFormat: 0x00,
+				OutputInterface:       0x04,
+				RecordCount:           0x01,
+				Records: []SFlowRecord{
+					SFlowExtendedRouterFlowRecord{
+						SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+							EnterpriseID:   0x0,
+							Format:         SFlowTypeExtendedRouterFlow,
+							FlowDataLength: 0x10,
+						},
+						NextHop:                []byte{0xc0, 0xa8, 0x01, 0x21},
+						NextHopSourceMask:      0xffffffff,
+						NextHopDestinationMask: 0xffffff80,
+					},
+				},
+			},
+		},
+	}
+	if !reflect.DeepEqual(want, got) {
+		t.Errorf("SFlow layer mismatch, \nwant:\n\n%#v\ngot:\n\n\n%#v\n\n", want, got)
+	}
+}
+
+func TestDecodeExtendedRouterFlowIPv6(t *testing.T) {
+	p := gopacket.NewPacket(SFlowTestPacket8, LayerTypeSFlow, gopacket.Default)
+
+	if p.ErrorLayer() != nil {
+		t.Error("Failed to decode packet:", p.ErrorLayer().Error())
+	}
+	checkLayers(p, []gopacket.LayerType{LayerTypeSFlow}, t)
+
+	got := p.ApplicationLayer().(*SFlowDatagram)
+
+	want := &SFlowDatagram{
+		DatagramVersion: uint32(5),
+		AgentAddress:    []byte{0xc0, 0xa8, 0x01, 0x12},
+		SubAgentID:      uint32(0x00),
+		SequenceNumber:  uint32(0x027e),
+		AgentUptime:     uint32(0x32e0e47c),
+		SampleCount:     uint32(1),
+		FlowSamples: []SFlowFlowSample{
+			SFlowFlowSample{
+				Format:                SFlowTypeFlowSample,
+				SampleLength:          0x34,
+				SequenceNumber:        0x123,
+				SourceIDClass:         0x00,
+				SourceIDIndex:         0x1d,
+				SamplingRate:          0x100,
+				SamplePool:            0x334,
+				Dropped:               0x5602,
+				InputInterfaceFormat:  0x00,
+				InputInterface:        0x1d,
+				OutputInterfaceFormat: 0x00,
+				OutputInterface:       0x04,
+				RecordCount:           0x01,
+				Records: []SFlowRecord{
+					SFlowExtendedRouterFlowRecord{
+						SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+							EnterpriseID:   0x0,
+							Format:         SFlowTypeExtendedRouterFlow,
+							FlowDataLength: 0x1c,
+						},
+						NextHop:                []byte{0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+						NextHopSourceMask:      0xffffffff,
+						NextHopDestinationMask: 0xffffff80,
+					},
+				},
+			},
+		},
+	}
+	if !reflect.DeepEqual(want, got) {
+		t.Errorf("SFlow layer mismatch, \nwant:\n\n%#v\ngot:\n\n\n%#v\n\n", want, got)
+	}
+}
+
+func TestDecodeExtendedIpv4TunnelIngressFlow(t *testing.T) {
+	p := gopacket.NewPacket(SFlowTestPacket6, LayerTypeSFlow, gopacket.Default)
+
+	if p.ErrorLayer() != nil {
+		t.Error("Failed to decode packet:", p.ErrorLayer().Error())
+	}
+	checkLayers(p, []gopacket.LayerType{LayerTypeSFlow}, t)
+
+	got := p.ApplicationLayer().(*SFlowDatagram)
+
+	want := &SFlowDatagram{
+		DatagramVersion: uint32(5),
+		AgentAddress:    []byte{0x7f, 0x0, 0x0, 0x1},
+		SubAgentID:      uint32(0),
+		SequenceNumber:  uint32(0x72),
+		AgentUptime:     uint32(0x1bd50),
+		SampleCount:     uint32(1),
+		FlowSamples: []SFlowFlowSample{
+			SFlowFlowSample{
+				Format:                SFlowTypeFlowSample,
+				SampleLength:          0x48,
+				SequenceNumber:        0x74,
+				SourceIDClass:         0x0,
+				SourceIDIndex:         0x20003e8,
+				SamplingRate:          0x1,
+				SamplePool:            0x74,
+				Dropped:               0x0,
+				InputInterfaceFormat:  0x0,
+				InputInterface:        0x0,
+				OutputInterfaceFormat: 0x0,
+				OutputInterface:       0x80000001,
+				RecordCount:           0x1,
+				Records: []SFlowRecord{
+					SFlowExtendedIpv4TunnelIngressRecord{
+						SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+							EnterpriseID:   0x0,
+							Format:         SFlowTypeExtendedIpv4TunnelIngressFlow,
+							FlowDataLength: 0x20,
+						},
+						SFlowIpv4Record: SFlowIpv4Record{
+							Length:   0x0,
+							Protocol: 0x2f,
+							IPSrc:    net.IP{0xc0, 0xa8, 0x0, 0x54},
+							IPDst:    net.IP{0xc0, 0xa8, 0x0, 0x53},
+							PortSrc:  0x0,
+							PortDst:  0x0,
+							TCPFlags: 0x0,
+							TOS:      0x0,
+						},
+					},
+				},
+			},
+		},
+	}
+	if !reflect.DeepEqual(want, got) {
+		t.Errorf("SFlow layer mismatch, \nwant:\n\n%#v\ngot:\n\n\n%#v\n\n", want, got)
+	}
+}
+
+func TestDecodeExtendedIpv4TunnelEgressFlow(t *testing.T) {
+	p := gopacket.NewPacket(SFlowTestPacket7, LayerTypeSFlow, gopacket.Default)
+
+	if p.ErrorLayer() != nil {
+		t.Error("Failed to decode packet:", p.ErrorLayer().Error())
+	}
+	checkLayers(p, []gopacket.LayerType{LayerTypeSFlow}, t)
+
+	got := p.ApplicationLayer().(*SFlowDatagram)
+
+	want := &SFlowDatagram{
+		DatagramVersion: uint32(5),
+		AgentAddress:    []byte{0x7f, 0x0, 0x0, 0x1},
+		SubAgentID:      uint32(1),
+		SequenceNumber:  uint32(0x12),
+		AgentUptime:     uint32(0x4268),
+		SampleCount:     uint32(1),
+		FlowSamples: []SFlowFlowSample{
+			SFlowFlowSample{
+				Format:                SFlowTypeFlowSample,
+				SampleLength:          0x48,
+				SequenceNumber:        0x12,
+				SourceIDClass:         0x0,
+				SourceIDIndex:         0x20003e9,
+				SamplingRate:          0x1,
+				SamplePool:            0x12,
+				Dropped:               0x0,
+				InputInterfaceFormat:  0x0,
+				InputInterface:        0x6c,
+				OutputInterfaceFormat: 0x0,
+				OutputInterface:       0x80000001,
+				RecordCount:           0x1,
+				Records: []SFlowRecord{
+					SFlowExtendedIpv4TunnelEgressRecord{
+						SFlowBaseFlowRecord: SFlowBaseFlowRecord{
+							EnterpriseID:   0x0,
+							Format:         SFlowTypeExtendedIpv4TunnelEgressFlow,
+							FlowDataLength: 0x20,
+						},
+						SFlowIpv4Record: SFlowIpv4Record{
+							Length:   0x0,
+							Protocol: 0x0,
+							IPSrc:    net.IP{0x0, 0x0, 0x0, 0x0},
+							IPDst:    net.IP{0xc0, 0xa8, 0x0, 0x54},
+							PortSrc:  0x0,
+							PortDst:  0x0,
+							TCPFlags: 0x0,
+							TOS:      0x0,
+						},
+					},
+				},
+			},
+		},
+	}
+	if !reflect.DeepEqual(want, got) {
+		t.Errorf("SFlow layer mismatch, \nwant:\n\n%#v\ngot:\n\n\n%#v\n\n", want, got)
+	}
+}
+
+func BenchmarkDecodeSFlowPacket1(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		gopacket.NewPacket(SFlowTestPacket1, LinkTypeEthernet, gopacket.NoCopy)
+	}
+}
+
+func BenchmarkDecodeSFlowPacket2(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		gopacket.NewPacket(SFlowTestPacket2, LinkTypeEthernet, gopacket.NoCopy)
+	}
+}
+
+func BenchmarkDecodeSFlowPacket3(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		gopacket.NewPacket(SFlowTestPacket3, LinkTypeEthernet, gopacket.NoCopy)
+	}
+}
+
+func BenchmarkDecodeSFlowPacket4(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		gopacket.NewPacket(SFlowTestPacket4, LinkTypeEthernet, gopacket.NoCopy)
+	}
+}
+
+func BenchmarkDecodeSFlowLayerPacket1(b *testing.B) {
+	var sflow SFlowDatagram
+	for i := 0; i < b.N; i++ {
+		sflow.DecodeFromBytes(SFlowTestPacket1[ /*eth*/ 14+ /*ipv4*/ 20+ /*udp*/ 8:], gopacket.NilDecodeFeedback)
+	}
+}
+
+func BenchmarkDecodeSFlowLayerPacket2(b *testing.B) {
+	var sflow SFlowDatagram
+	for i := 0; i < b.N; i++ {
+		sflow.DecodeFromBytes(SFlowTestPacket2[ /*eth*/ 14+ /*ipv4*/ 20+ /*udp*/ 8:], gopacket.NilDecodeFeedback)
+	}
+}
-- 
cgit 1.2.3-korg