GPL/traffic_profiles/trex/trex-stl-dot1qip4vxlan-ip4src10udpsrcrnd.py

   1 # Copyright (c) 2020 Cisco and/or its affiliates.
   2 # Licensed under the Apache License, Version 2.0 (the "License");
   3 # you may not use this file except in compliance with the License.
   4 # You may obtain a copy of the License at:
   5 #
   6 #     http://www.apache.org/licenses/LICENSE-2.0
   7 #
   8 # Unless required by applicable law or agreed to in writing, software
   9 # distributed under the License is distributed on an "AS IS" BASIS,
  10 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  11 # See the License for the specific language governing permissions and
  12 # limitations under the License.
  13
  14 """Stream profile for T-rex traffic generator.
  15
  16 Stream profile:
  17  - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
  18  - Packet: ETH / DOT1Q / IP / VXLAN / ETH / IP
  19  - Direction 0 --> 1:
  20    - VLAN range:                       100
  21    - Source IP address:                172.17.[0..9].2
  22    - Destination IP address:           172.16.0.1
  23    - Source UDP port:                  random([1024..65535])
  24    - Destination UDP port:             4789
  25    - VXLAN VNI:                        [0..9]
  26    - Payload source MAC address:       00:aa:aa:00:00:[00..ff]
  27    - Payload source IP address:        10.0.[0..255].2
  28    - Payload destination MAC address:  00:bb:bb:00:00:[00..ff]
  29    - Payload destination IP address:   10.0.[0..255].1
  30  - Direction 1 --> 0:
  31    - VLAN range:                       200
  32    - Source IP address:                172.27.[0..9].2
  33    - Destination IP address:           172.26.0.1
  34    - Source UDP port:                  random([1024..65535])
  35    - Destination UDP port:             4789
  36    - VXLAN VNI:                        [0..9]
  37    - Payload source MAC address:       00:bb:bb:00:00:[00..ff]
  38    - Payload source IP address:        10.0.[0..255].1
  39    - Payload destination MAC address:  00:aa:aa:00:00:[00..ff]
  40    - Payload destination IP address:   10.0.[0..255].2
  41 """
  42
  43 from trex.stl.api import *
  44 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
  45
  46 # RFC 7348 - Virtual eXtensible Local Area Network (VXLAN):
  47 # A Framework for Overlaying Virtualized Layer 2 Networks over Layer 3 Networks
  48 # http://tools.ietf.org/html/rfc7348
  49 _VXLAN_FLAGS = list(u"R"*24 + u"RRRIRRRRR")
  50
  51
  52 class VXLAN(Packet):
  53     name=u"VXLAN"
  54     fields_desc = [
  55         FlagsField(u"flags", 0x08000000, 32, _VXLAN_FLAGS),
  56         ThreeBytesField(u"vni", 0),
  57         XByteField(u"reserved", 0x00)
  58     ]
  59
  60     def mysummary(self):
  61         return self.sprintf(u"VXLAN (vni=%VXLAN.vni%)")
  62
  63
  64 bind_layers(UDP, VXLAN, dport=4789)
  65 bind_layers(VXLAN, Ether)
  66
  67
  68 class TrafficStreams(TrafficStreamsBaseClass):
  69     """Stream profile."""
  70
  71     def __init__(self):
  72         """Initialization and setting of streams' parameters."""
  73
  74         super(TrafficStreamsBaseClass, self).__init__()
  75
  76         self.nf_chains = 10
  77
  78     def define_packets(self):
  79         """Defines the packets to be sent from the traffic generator.
  80
  81         Packet definition: | ETH | DOT1Q | IP | VXLAN | ETH | IP
  82
  83         :returns: Packets to be sent from the traffic generator.
  84         :rtype: tuple
  85         """
  86
  87         # Direction 0 --> 1
  88         base_pkt_a = (
  89             Ether()/
  90             Dot1Q(
  91                 vlan=100
  92             ) /
  93             IP(
  94                 src=u"172.17.0.2",
  95                 dst=u"172.16.0.1"
  96             )/
  97             UDP(
  98                 sport=1024,
  99                 dport=4789
 100             )/
 101             VXLAN(
 102                 vni=0
 103             )/
 104             Ether(
 105                 src=u"00:aa:aa:00:00:00",
 106                 dst=u"00:bb:bb:00:00:00"
 107             )/
 108             IP(
 109                 src=u"10.0.0.2",
 110                 dst=u"10.0.0.1",
 111                 proto=61
 112             )
 113         )
 114
 115         # Direction 1 --> 0
 116         base_pkt_b = (
 117             Ether()/
 118             Dot1Q(
 119                 vlan=200
 120             ) /
 121             IP(
 122                 src=u"172.27.0.2",
 123                 dst=u"172.26.0.1"
 124             )/
 125             UDP(
 126                 sport=1024,
 127                 dport=4789
 128             )/
 129             VXLAN(
 130                 vni=0
 131             )/
 132             Ether(
 133                 src=u"00:bb:bb:00:00:00",
 134                 dst=u"00:aa:aa:00:00:00"
 135             )/
 136             IP(
 137                 src=u"10.0.0.1",
 138                 dst=u"10.0.0.2",
 139                 proto=61
 140             )
 141         )
 142
 143         # Direction 0 --> 1
 144         vm1 = STLScVmRaw(
 145             [
 146                 STLVmFlowVar(
 147                     name=u"nf_id",
 148                     size=1,
 149                     op=u"inc",
 150                     min_value=0,
 151                     max_value=self.nf_chains - 1
 152                 ),
 153                 STLVmFlowVar(
 154                     name=u"in_mac",
 155                     size=2,
 156                     op=u"inc",
 157                     min_value=0,
 158                     max_value=255
 159                 ),
 160                 STLVmFlowVar(
 161                     name=u"in_ip",
 162                     size=1,
 163                     op=u"inc",
 164                     min_value=0,
 165                     max_value=255
 166                 ),
 167                 STLVmFlowVar(
 168                     name=u"src_port",
 169                     size=2,
 170                     op=u"random",
 171                     min_value=1024,
 172                     max_value=65535
 173                 ),
 174                 STLVmWrFlowVar(
 175                     fv_name=u"nf_id",
 176                     pkt_offset=32
 177                 ),
 178                 STLVmWrFlowVar(
 179                     fv_name=u"src_port",
 180                     pkt_offset=u"UDP.sport"
 181                 ),
 182                 STLVmWrFlowVar(
 183                     fv_name=u"nf_id",
 184                     pkt_offset=52
 185                 ),
 186                 STLVmWrFlowVar(
 187                     fv_name=u"in_mac",
 188                     pkt_offset=58
 189                 ),
 190                 STLVmWrFlowVar(
 191                     fv_name=u"in_mac",
 192                     pkt_offset=64
 193                 ),
 194                 STLVmWrFlowVar(
 195                     fv_name=u"in_ip",
 196                     pkt_offset=82
 197                 ),
 198                 STLVmWrFlowVar(
 199                     fv_name=u"in_ip",
 200                     pkt_offset=86
 201                 ),
 202                 STLVmFixChecksumHw(
 203                     l3_offset="IP:{}".format(0),
 204                     l4_offset="UDP:{}".format(0),
 205                     l4_type=CTRexVmInsFixHwCs.L4_TYPE_UDP
 206                 )
 207             ]
 208         )
 209
 210         # Direction 1 --> 0
 211         vm2 = STLScVmRaw(
 212             [
 213                 STLVmFlowVar(
 214                     name=u"nf_id",
 215                     size=1,
 216                     op=u"inc",
 217                     min_value=0,
 218                     max_value=self.nf_chains - 1
 219                 ),
 220                 STLVmFlowVar(
 221                     name=u"in_mac",
 222                     size=2, op=u"inc",
 223                     min_value=0,
 224                     max_value=255
 225                 ),
 226                 STLVmFlowVar(
 227                     name=u"in_ip",
 228                     size=1,
 229                     op=u"inc",
 230                     min_value=0,
 231                     max_value=255
 232                 ),
 233                 STLVmFlowVar(
 234                     name=u"src_port",
 235                     size=2,
 236                     op=u"random",
 237                     min_value=1024,
 238                     max_value=65535
 239                 ),
 240                 STLVmWrFlowVar(
 241                     fv_name=u"nf_id",
 242                     pkt_offset=32
 243                 ),
 244                 STLVmWrFlowVar(
 245                     fv_name=u"src_port",
 246                     pkt_offset=u"UDP.sport"
 247                 ),
 248                 STLVmWrFlowVar(
 249                     fv_name=u"nf_id",
 250                     pkt_offset=52
 251                 ),
 252                 STLVmWrFlowVar(
 253                     fv_name=u"in_mac",
 254                     pkt_offset=58
 255                 ),
 256                 STLVmWrFlowVar(
 257                     fv_name=u"in_mac",
 258                     pkt_offset=64
 259                 ),
 260                 STLVmWrFlowVar(
 261                     fv_name=u"in_ip",
 262                     pkt_offset=82
 263                 ),
 264                 STLVmWrFlowVar(
 265                     fv_name=u"in_ip",
 266                     pkt_offset=86
 267                 ),
 268                 STLVmFixChecksumHw(
 269                     l3_offset="IP:{}".format(0),
 270                     l4_offset="UDP:{}".format(0),
 271                     l4_type=CTRexVmInsFixHwCs.L4_TYPE_UDP
 272                 )
 273             ]
 274         )
 275
 276         return base_pkt_a, base_pkt_b, vm1, vm2
 277
 278 def register():
 279     """Register this traffic profile to T-rex.
 280
 281     Do not change this function.
 282
 283     :return: Traffic streams.
 284     :rtype: Object
 285     """
 286     return TrafficStreams()
 287