resources/traffic_profiles/trex/trex-sl-dot1qip4-vlan1ip4src254ip4dst254-bvi.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 /
  19  - Direction 0 --> 1:
  20    - Destination MAC address:       ba:dc:00:ff:ee:01
  21    - VLAN range:                    100
  22    - Source IP address range:       10.10.10.1 - 10.10.10.254
  23    - Destination IP address range:  20.20.20.1 - 20.20.20.254
  24  - Direction 1 --> 0:
  25    - Destination MAC address:       ba:dc:00:ff:ee:01
  26    - VLAN range:                    200
  27    - Source IP address range:       20.20.20.1 - 20.20.20.254
  28    - Destination IP address range:  10.10.10.1 - 10.10.10.254
  29 """
  30
  31 from trex.stl.api import *
  32 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
  33
  34
  35 class TrafficStreams(TrafficStreamsBaseClass):
  36     """Stream profile."""
  37
  38     def __init__(self):
  39         """Initialization and setting of streams' parameters."""
  40
  41         super(TrafficStreamsBaseClass, self).__init__()
  42
  43         # VLAN IDs
  44         self.p1_vlan_start = 100
  45         self.p2_vlan_start = 200
  46
  47         # IPs used in packet headers.
  48         self.p1_src_start_ip = u"10.10.10.1"
  49         self.p1_src_end_ip = u"10.10.10.254"
  50
  51         self.p1_dst_start_ip = u"20.20.20.1"
  52         self.p1_dst_end_ip = u"20.20.20.254"
  53
  54         self.p2_src_start_ip = u"20.20.20.1"
  55         self.p2_src_end_ip = u"20.20.20.254"
  56
  57         self.p2_dst_start_ip = u"10.10.10.1"
  58         self.p2_dst_end_ip = u"10.10.10.254"
  59
  60     def define_packets(self):
  61         """Defines the packets to be sent from the traffic generator.
  62
  63         Packet definition: | ETH | DOT1Q | IP |
  64
  65         :returns: Packets to be sent from the traffic generator.
  66         :rtype: tuple
  67         """
  68
  69         # Direction 0 --> 1
  70         base_pkt_a = (
  71             Ether(
  72                 dst=u"ba:dc:00:ff:ee:01"
  73             ) /
  74             Dot1Q(
  75                 vlan=self.p1_vlan_start
  76             ) /
  77             IP(
  78                 src=self.p1_src_start_ip,
  79                 dst=self.p1_dst_start_ip,
  80                 proto=61
  81             )
  82         )
  83         # Direction 1 --> 0
  84         base_pkt_b = (
  85             Ether(
  86                 dst=u"ba:dc:00:ff:ee:01"
  87             ) /
  88             Dot1Q(
  89                 vlan=self.p2_vlan_start
  90             ) /
  91             IP(
  92                 src=self.p2_src_start_ip,
  93                 dst=self.p2_dst_start_ip,
  94                 proto=61
  95             )
  96         )
  97
  98         # Direction 0 --> 1
  99         vm1 = STLScVmRaw(
 100             [
 101                 STLVmFlowVar(
 102                     name=u"ip_src",
 103                     min_value=self.p1_src_start_ip,
 104                     max_value=self.p1_src_end_ip,
 105                     size=4,
 106                     op=u"random"
 107                 ),
 108                 STLVmWrFlowVar(
 109                     fv_name=u"ip_src",
 110                     pkt_offset=u"IP.src"
 111                 ),
 112                 STLVmFlowVar(
 113                     name=u"ip_dst",
 114                     min_value=self.p1_dst_start_ip,
 115                     max_value=self.p1_dst_end_ip,
 116                     size=4,
 117                     op=u"random"
 118                 ),
 119                 STLVmWrFlowVar(
 120                     fv_name=u"ip_dst",
 121                     pkt_offset=u"IP.dst"
 122                 ),
 123                 STLVmFixIpv4(
 124                     offset=u"IP"
 125                 )
 126             ]
 127         )
 128         # Direction 1 --> 0
 129         vm2 = STLScVmRaw(
 130             [
 131                 STLVmFlowVar(
 132                     name=u"ip_src",
 133                     min_value=self.p2_src_start_ip,
 134                     max_value=self.p2_src_end_ip,
 135                     size=4,
 136                     op=u"random"
 137                 ),
 138                 STLVmWrFlowVar(
 139                     fv_name=u"ip_src",
 140                     pkt_offset=u"IP.src"
 141                 ),
 142                 STLVmFlowVar(
 143                     name=u"ip_dst",
 144                     min_value=self.p2_dst_start_ip,
 145                     max_value=self.p2_dst_end_ip,
 146                     size=4,
 147                     op=u"random"
 148                 ),
 149                 STLVmWrFlowVar(
 150                     fv_name=u"ip_dst",
 151                     pkt_offset=u"IP.dst"
 152                 ),
 153                 STLVmFixIpv4(
 154                     offset=u"IP"
 155                 )
 156             ]
 157         )
 158
 159         return base_pkt_a, base_pkt_b, vm1, vm2
 160
 161
 162 def register():
 163     """Register this traffic profile to T-rex.
 164
 165     Do not change this function.
 166
 167     :returns: Traffic streams.
 168     :rtype: Object
 169     """
 170     return TrafficStreams()