summaryrefslogtreecommitdiffstats
path: root/test/test_ip_ecmp.py
blob: 1d3e872e45ef5bf18cfda205c58dbbcc23b57b95 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
#!/usr/bin/env python3

import unittest
import random
import socket
from ipaddress import IPv4Address, IPv6Address, AddressValueError

from framework import VppTestCase, VppTestRunner
from util import ppp

from scapy.packet import Raw
from scapy.layers.l2 import Ether
from scapy.layers.inet import IP, UDP
from scapy.layers.inet6 import IPv6
from vpp_ip_route import VppIpRoute, VppRoutePath

try:
    text_type = unicode
except NameError:
    text_type = str

#
# The number of packets to sent.
#
N_PKTS_IN_STREAM = 300


class TestECMP(VppTestCase):
    """ Equal-cost multi-path routing Test Case """

    @classmethod
    def setUpClass(cls):
        """
        Perform standard class setup (defined by class method setUpClass in
        class VppTestCase) before running the test case, set test case related
        variables and configure VPP.
        """
        super(TestECMP, cls).setUpClass()

        # create 4 pg interfaces
        cls.create_pg_interfaces(range(4))

        # packet sizes to test
        cls.pg_if_packet_sizes = [64, 1500, 9018]

        # setup interfaces
        for i in cls.pg_interfaces:
            i.admin_up()
            i.generate_remote_hosts(5)
            i.config_ip4()
            i.resolve_arp()
            i.configure_ipv4_neighbors()
            i.config_ip6()
            i.resolve_ndp()
            i.configure_ipv6_neighbors()

    @classmethod
    def tearDownClass(cls):
        if not cls.vpp_dead:
            for i in cls.pg_interfaces:
                i.unconfig_ip4()
                i.unconfig_ip6()
                i.admin_down()

        super(TestECMP, cls).tearDownClass()

    def setUp(self):
        super(TestECMP, self).setUp()
        self.reset_packet_infos()

    def tearDown(self):
        """
        Show various debug prints after each test.
        """
        super(TestECMP, self).tearDown()

    def show_commands_at_teardown(self):
        self.logger.info(self.vapi.ppcli("show ip4 neighbors"))
        self.logger.info(self.vapi.ppcli("show ip6 neighbors"))

    def get_ip_address(self, ip_addr_start, ip_prefix_len):
        """

        :param str ip_addr_start: Starting IPv4 or IPv6 address.
        :param int ip_prefix_len: IP address prefix length.
        :return: Random IPv4 or IPv6 address from required range.
        """
        try:
            ip_addr = IPv4Address(text_type(ip_addr_start))
            ip_max_len = 32
        except (AttributeError, AddressValueError):
            ip_addr = IPv6Address
#!/usr/bin/env python3
# IPFIX support for Scapy (RFC7011)

from scapy.all import bind_layers, FieldLenField, IntField, Packet, \
    PacketListField, ShortEnumField, ShortField, StrLenField
from scapy.layers.inet import UDP


# IPFIX Information Elements http://www.iana.org/assignments/ipfix/ipfix.xhtml
information_elements = {
    1:   "octetDeltaCount",
    2:   "packetDeltaCount",
    3:   "deltaFlowCount",
    4:   "protocolIdentifier",
    5:   "ipClassOfService",
    6:   "tcpControlBits",
    7:   "sourceTransportPort",
    8:   "sourceIPv4Address",
    9:   "sourceIPv4PrefixLength",
    10:  "ingressInterface",
    11:  "destinationTransportPort",
    12:  "destinationIPv4Address",
    13:  "destinationIPv4PrefixLength",
    14:  "egressInterface",
    15:  "ipNextHopIPv4Address",
    16:  "bgpSourceAsNumber",
    17:  "bgpDestinationAsNumber",
    18:  "bgpNextHopIPv4Address",
    19:  "postMCastPacketDeltaCount",
    20:  "postMCastOctetDeltaCount",
    21:  "flowEndSysUpTime",
    22:  "flowStartSysUpTime",
    23:  "postOctetDeltaCount",
    24:  "postPacketDeltaCount",
    25:  "minimumIpTotalLength",
    26:  "maximumIpTotalLength",
    27:  "sourceIPv6Address",
    28:  "destinationIPv6Address",
    29:  "sourceIPv6PrefixLength",
    30:  "destinationIPv6PrefixLength",
    31:  "flowLabelIPv6",
    32:  "icmpTypeCodeIPv4",
    33:  "igmpType",
    34:  "samplingInterval",
    35:  "samplingAlgorithm",
    36:  "flowActiveTimeout",
    37:  "flowIdleTimeout",
    38:  "engineType",
    39:  "engineId",
    40:  "exportedOctetTotalCount",
    41:  "exportedMessageTotalCount",
    42:  "exportedFlowRecordTotalCount",
    43:  "ipv4RouterSc",
    44:  "sourceIPv4Prefix",
    45:  "destinationIPv4Prefix",
    46:  "mplsTopLabelType",
    47:  "mplsTopLabelIPv4Address",
    48:  "samplerId",
    49:  "samplerMode",
    50:  "samplerRandomInterval",
    51:  "classId",
    52:  "minimumTTL",
    53:  "maximumTTL",
    54:  "fragmentIdentification",
    55:  "postIpClassOfService",
    56:  "sourceMacAddress",
    57:  "postDestinationMacAddress",
    58:  "vlanId",
    59:  "postVlanId",
    60:  "ipVersion",
    61:  "flowDirection",
    62:  "ipNextHopIPv6Address",
    63:  "bgpNextHopIPv6Address",
    64:  "ipv6ExtensionHeaders",
    70:  "mplsTopLabelStackSection",
    71:  "mplsLabelStackSection2",
    72:  "mplsLabelStackSection3",
    73:  "mplsLabelStackSection4",
    74:  "mplsLabelStackSection5",
    75:  "mplsLabelStackSection6",
    76:  "mplsLabelStackSection7",
    77:  "mplsLabelStackSection8",
    78:  "mplsLabelStackSection9",
    79:  "mplsLabelStackSection10",
    80:  "destinationMacAddress",
    81:  "postSourceMacAddress",
    82:  "interfaceName",
    83:  "interfaceDescription",
    84:  "samplerName",
    85:  "octetTotalCount",
    86:  "packetTotalCount",
    87:  "flagsAndSamplerId",
    88:  "fragmentOffset",
    89:  "forwardingStatus",
    90:  "mplsVpnRouteDistinguisher",
    91:  "mplsTopLabelPrefixLength",
    92:  "srcTrafficIndex",
    93:  "dstTrafficIndex",
    94:  "applicationDescription",
    95:  "applicationId",
    96:  "applicationName",
    98:  "postIpDiffServCodePoint",
    99:  "multicastReplicationFactor",
    100: "className",
    101: "classificationEngineId",
    102: "layer2packetSectionOffset",
    103: "layer2packetSectionSize",
    104: "layer2packetSectionData",
    128: "bgpNextAdjacentAsNumber",
    129: "bgpPrevAdjacentAsNumber",
    130: "exporterIPv4Address",
    131: "exporterIPv6Address",
    132: "droppedOctetDeltaCount",
    133: "droppedPacketDeltaCount",
    134: "droppedOctetTotalCount",
    135: "droppedPacketTotalCount",
    136: "flowEndReason",
    137: "commonPropertiesId",
    138: "observationPointId",
    139: "icmpTypeCodeIPv6",
    140: "mplsTopLabelIPv6Address",
    141: "lineCardId",
    142: "portId",
    143: "meteringProcessId",
    144: "exportingProcessId",
    145: "templateId",
    146: "wlanChannelId",
    147: "wlanSSID",
    148: "flowId",
    149: "observationDomainId",
    150: "flowStartSeconds",
    151: "flowEndSeconds",
    152: "flowStartMilliseconds",
    153: "flowEndMilliseconds",
    154: "flowStartMicroseconds",
    155: "flowEndMicroseconds",
    156: "flowStartNanoseconds",
    157: "flowEndNanoseconds",
    158: "flowStartDeltaMicroseconds",
    159: "flowEndDeltaMicroseconds",
    160: "systemInitTimeMilliseconds",
    161: "flowDurationMilliseconds",
    162: "flowDurationMicroseconds",
    163: "observedFlowTotalCount",
    164: "ignoredPacketTotalCount",
    165: "ignoredOctetTotalCount",
    166: "notSentFlowTotalCount",
    167: "notSentPacketTotalCount",
    168: "notSentOctetTotalCount",
    169: "destinationIPv6Prefix",
    170: "sourceIPv6Prefix",
    171: "postOctetTotalCount",
    172: "postPacketTotalCount",
    173: "flowKeyIndicator",
    174: "postMCastPacketTotalCount",
    175: "postMCastOctetTotalCount",
    176: "icmpTypeIPv4",
    177: "icmpCodeIPv4",
    178: "icmpTypeIPv6",
    179: "icmpCodeIPv6",
    180: "udpSourcePort",
    181: "udpDestinationPort",
    182: "tcpSourcePort",
    183: "tcpDestinationPort",
    184: "tcpSequenceNumber",
    185: "tcpAcknowledgementNumber",
    186: "tcpWindowSize",
    187: "tcpUrgentPointer",
    188: "tcpHeaderLength",
    189: "ipHeaderLength",
    190: "totalLengthIPv4",
    191: "payloadLengthIPv6",
    192: "ipTTL",
    193: "nextHeaderIPv6",
    194: "mplsPayloadLength",
    195: "ipDiffServCodePoint",
    196: "ipPrecedence",
    197: "fragmentFlags",
    198: "octetDeltaSumOfSquares",
    199: "octetTotalSumOfSquares",
    200: "mplsTopLabelTTL",
    201: "mplsLabelStackLength",
    202: "mplsLabelStackDepth",
    203: "mplsTopLabelExp",
    204: "ipPayloadLength",
    205: "udpMessageLength",
    206: "isMulticast",
    207: "ipv4IHL",
    208: "ipv4Options",
    209: "tcpOptions",
    210: "paddingOctets",
    211: "collectorIPv4Address",
    212: "collectorIPv6Address",
    213: "exportInterface",
    214: "exportProtocolVersion",
    215: "exportTransportProtocol",
    216: "collectorTransportPort",
    217: "exporterTransportPort",
    218: "tcpSynTotalCount",
    219: "tcpFinTotalCount",
    220: "tcpRstTotalCount",
    221: "tcpPshTotalCount",
    222: "tcpAckTotalCount",
    223: "tcpUrgTotalCount",
    224: "ipTotalLength",
    225: "postNATSourceIPv4Address",
    226: "postNATDestinationIPv4Address",
    227: "postNAPTSourceTransportPort",
    228: "postNAPTDestinationTranspor
/span> "egressVRFID", 236: "VRFname", 237: "postMplsTopLabelExp", 238: "tcpWindowScale", 239: "biflowDirection", 240: "ethernetHeaderLength", 241: "ethernetPayloadLength", 242: "ethernetTotalLength", 243: "dot1qVlanId", 244: "dot1qPriority", 245: "dot1qCustomerVlanId", 246: "dot1qCustomerPriority", 247: "metroEvcId", 248: "metroEvcType", 249: "pseudoWireId", 250: "pseudoWireType", 251: "pseudoWireControlWord", 252: "ingressPhysicalInterface", 253: "egressPhysicalInterface", 254: "postDot1qVlanId", 255: "postDot1qCustomerVlanId", 256: "ethernetType", 257: "postIpPrecedence", 258: "collectionTimeMilliseconds", 259: "exportSctpStreamId", 260: "maxExportSeconds", 261: "maxFlowEndSeconds", 262: "messageMD5Checksum", 263: "messageScope", 264: "minExportSeconds", 265: "minFlowStartSeconds", 266: "opaqueOctets", 267: "sessionScope", 268: "maxFlowEndMicroseconds", 269: "maxFlowEndMilliseconds", 270: "maxFlowEndNanoseconds", 271: "minFlowStartMicroseconds", 272: "minFlowStartMilliseconds", 273: "minFlowStartNanoseconds", 274: "collectorCertificate", 275: "exporterCertificate", 276: "dataRecordsReliability", 277: "observationPointType", 278: "newConnectionDeltaCount", 279: "connectionSumDurationSeconds", 280: "connectionTransactionId", 281: "postNATSourceIPv6Address", 282: "postNATDestinationIPv6Address", 283: "natPoolId", 284: "natPoolName", 285: "anonymizationFlags", 286: "anonymizationTechnique", 287: "informationElementIndex", 288: "p2pTechnology", 289: "tunnelTechnology", 290: "encryptedTechnology", 291: "basicList", 292: "subTemplateList", 293: "subTemplateMultiList", 294: "bgpValidityState", 295: "IPSecSPI", 296: "greKey", 297: "natType", 298: "initiatorPackets", 299: "responderPackets", 300: "observationDomainName", 301: "selectionSequenceId", 302: "selectorId", 303: "informationElementId", 304: "selectorAlgorithm", 305: "samplingPacketInterval", 306: "samplingPacketSpace", 307: "samplingTimeInterval", 308: "samplingTimeSpace", 309: "samplingSize", 310: "samplingPopulation", 311: "samplingProbability", 312: "dataLinkFrameSize", 313: "ipHeaderPacketSection", 314: "ipPayloadPacketSection", 315: "dataLinkFrameSection", 316: "mplsLabelStackSection", 317: "mplsPayloadPacketSection", 318: "selectorIdTotalPktsObserved", 319: "selectorIdTotalPktsSelected", 320: "absoluteError", 321: "relativeError", 322: "observationTimeSeconds", 323: "observationTimeMilliseconds", 324: "observationTimeMicroseconds", 325: "observationTimeNanoseconds", 326: "digestHashValue", 327: "hashIPPayloadOffset", 328: "hashIPPayloadSize", 329: "hashOutputRangeMin", 330: "hashOutputRangeMax", 331: "hashSelectedRangeMin", 332: "hashSelectedRangeMax", 333: "hashDigestOutput", 334: "hashInitialiserValue", 335: "selectorName", 336: "upperCILimit", 337: "lowerCILimit", 338: "confidenceLevel", 339: "informationElementDataType", 340: "informationElementDescription", 341: "informationElementName", 342: "informationElementRangeBegin", 343: "informationElementRangeEnd", 344: "informationElementSemantics", 345: "informationElementUnits", 346: "privateEnterpriseNumber", 347: "virtualStationInterfaceId", 348: "virtualStationInterfaceName", 349: "virtualStationUUID", 350: "virtualStationName", 351: "layer2SegmentId", 352: "layer2OctetDeltaCount", 353: "layer2OctetTotalCount", 354: "ingressUnicastPacketTotalCount", 355: "ingressMulticastPacketTotalCount", 356: "ingressBroadcastPacketTotalCount", 357: "egressUnicastPacketTotalCount", 358: "egressBroadcastPacketTotalCount", 359: "monitoringIntervalStartMilliSeconds", 360: "monitoringIntervalEndMilliSeconds", 361: "portRangeStart", 362: "portRangeEnd", 363: "portRangeStepSize", 364: "portRangeNumPorts", 365: "staMacAddress", 366: "staIPv4Address", 367: "wtpMacAddress", 368: "ingressInterfaceType", 369: "egressInterfaceType", 370: "rtpSequenceNumber", 371: "userName", 372: "applicationCategoryName", 373: "applicationSubCategoryName", 374: "applicationGroupName", 375: "originalFlowsPresent", 376: "originalFlowsInitiated", 377: "originalFlowsCompleted", 378: "distinctCountOfSourceIPAddress", 379: "distinctCountOfDestinationIPAddress", 380: "distinctCountOfSourceIPv4Address", 381: "distinctCountOfDestinationIPv4Address", 382: "distinctCountOfSourceIPv6Address", 383: "distinctCountOfDestinationIPv6Address", 384: "valueDistributionMethod", 385: "rfc3550JitterMilliseconds", 386: "rfc3550JitterMicroseconds", 387: "rfc3550JitterNanoseconds", 388: "dot1qDEI", 389: "dot1qCustomerDEI", 390: "flowSelectorAlgorithm", 391: "flowSelectedOctetDeltaCount", 392: "flowSelectedPacketDeltaCount", 393: "flowSelectedFlowDeltaCount", 394: "selectorIDTotalFlowsObserved", 395: "selectorIDTotalFlowsSelected", 396: "samplingFlowInterval", 397: "samplingFlowSpacing", 398: "flowSamplingTimeInterval", 399: "flowSamplingTimeSpacing", 400: "hashFlowDomain", 401: "transportOctetDeltaCount", 402: "transportPacketDeltaCount", 403: "originalExporterIPv4Address", 404: "originalExporterIPv6Address", 405: "originalObservationDomainId", 406: "intermediateProcessId", 407: "ignoredDataRecordTotalCount", 408: "dataLinkFrameType", 409: "sectionOffset", 410: "sectionExportedOctets", 411: "dot1qServiceInstanceTag", 412: "dot1qServiceInstanceId", 413: "dot1qServiceInstancePriority", 414: "dot1qCustomerSourceMacAddress", 415: "dot1qCustomerDestinationMacAddress", 417: "postLayer2OctetDeltaCount", 418: "postMCastLayer2OctetDeltaCount", 420: "postLayer2OctetTotalCount", 421: "postMCastLayer2OctetTotalCount", 422: "minimumLayer2TotalLength", 423: "maximumLayer2TotalLength", 424: "droppedLayer2OctetDeltaCount", 425: "droppedLayer2OctetTotalCount", 426: "ignoredLayer2OctetTotalCount", 427: "notSentLayer2OctetTotalCount", 428: "layer2OctetDeltaSumOfSquares", 429: "layer2OctetTotalSumOfSquares", 430: "layer2FrameDeltaCount", 431: "layer2FrameTotalCount", 432: "pseudoWireDestinationIPv4Address", 433: "ignoredLayer2FrameTotalCount", 434: "mibObjectValueInteger", 435: "mibObjectValueOctetString", 436: "mibObjectValueOID", 437: "mibObjectValueBits", 438: "mibObjectValueIPAddress", 439: "mibObjectValueCounter", 440: "mibObjectValueGauge", 441: "mibObjectValueTimeTicks", 442: "mibObjectValueUnsigned", 443: "mibObjectValueTable", 444: "mibObjectValueRow", 445: "mibObjectIdentifier", 446: "mibSubIdentifier", 447: "mibIndexIndicator", 448: "mibCaptureTimeSemantics", 449: "mibContextEngineID", 450: "mibContextName", 451: "mibObjectName", 452: "mibObjectDescription", 453: "mibObjectSyntax", 454: "mibModuleName", 455: "mobileIMSI", 456: "mobileMSISDN", 457: "httpStatusCode", 458: "sourceTransportPortsLimit", 459: "httpRequestMethod", 460: "httpRequestHost", 461: "httpRequestTarget", 462: "httpMessageVersion", 466: "natQuotaExceededEvent", 471: "maxSessionEntries", 472: "maxBIBEntries", 473: "maxEntriesPerUser", 475: "maxFragmentsPendingReassembly" } class IPFIX(Packet): name = "IPFIX" fields_desc = [ShortField("version", 10), ShortField("length", None), IntField("exportTime", None), IntField("sequenceNumber", 1), IntField("observationDomainID", 1)] class FieldSpecifier(Packet): name = "Field Specifier" fields_desc = [ShortEnumField( "informationElement", None, information_elements), ShortField("fieldLength", None)] def extract_padding(self, s): return "", s class Template(Packet): name = "Template" fields_desc = [ShortField("templateID", 256), FieldLenField("fieldCount", None, count_of="fields"), PacketListField("templateFields", [], FieldSpecifier, count_from=lambda p: p.fieldCount)] class Data(Packet): name = "Data" fields_desc = [ StrLenField("data", "", length_from=lambda p: p.underlayer.length - 4)] def extract_padding(self, s): return "", s class Set(Packet): name = "Set" fields_desc = [ShortField("setID", 256), ShortField("length", None)] def guess_payload_class(self, payload): if self.setID == 2: return Template elif self.setID > 255: return Data else: return Packet.guess_payload_class(self, payload) bind_layers(IPFIX, Set) bind_layers(UDP, IPFIX, dport=4739) class IPFIXDecoder(object): """ IPFIX data set decoder """ def __init__(self): self._templates = [] def add_template(self, template): """ Add IPFIX template :param template: IPFIX template """ templateID = template.templateID fields = [] rec_len = 0 for field in template.templateFields: fields.append( {'name': field.informationElement, 'len': field.fieldLength}) rec_len += field.fieldLength self._templates.append( {'id': templateID, 'fields': fields, 'rec_len': rec_len}) def decode_data_set(self, data_set): """ Decode IPFIX data :param data_set: IPFIX data set :returns: List of decoded data records. """ data = [] for template in self._templates: if template['id'] == data_set.setID: offset = 0 d = data_set[Data].data for i in range(len(d) // template['rec_len']): record = {} for field in template['fields']: f = d[offset:offset + field['len']] offset += field['len'] record.update({field['name']: f}) data.append(record) break return data