resources/traffic_profiles/trex/trex-sl-3n-ethip4-macsrc10kip4src10k.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 | IP |
  19  - Direction 0 --> 1:
  20    - Source MAC address range:     ca:fe:00:00:00:00 - ca:fe:00:00:27:0f
  21    - Source IP address range:      10.0.0.2 - 10.0.39.17
  22    - Destination IP address range: 20.0.0.1
  23  - Direction 1 --> 0:
  24    - Source MAC address range:     fa:ce:00:00:00:00 - fa:ce:00:00:27:0f
  25    - Source IP address range:      20.0.0.2 - 20.0.39.17
  26    - Destination IP address range: 10.0.0.1
  27 """
  28
  29 from trex.stl.api import *
  30 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
  31
  32
  33 class TrafficStreams(TrafficStreamsBaseClass):
  34     """Stream profile."""
  35
  36     def __init__(self):
  37         """Initialization and setting of streams' parameters."""
  38
  39         super(TrafficStreamsBaseClass, self).__init__()
  40
  41         self.clients = 10000
  42
  43         # MACs used in packet headers.
  44         self.p1_src_start_mac = u"ca:fe:00:00:00:00"  # mask: 00:00:FF:FF:FF:FF
  45
  46         self.p2_src_start_mac = u"fa:ce:00:00:00:00"  # mask: 00:00:FF:FF:FF:FF
  47
  48         # IPs used in packet headers.
  49         self.p1_src_start_ip = u"10.0.0.2"
  50         self.p1_src_end_ip = u"10.0.39.17"
  51         self.p1_dst_start_ip = u"20.0.0.1"
  52
  53         self.p2_src_start_ip = u"20.0.0.2"
  54         self.p2_src_end_ip = u"20.0.39.17"
  55         self.p2_dst_start_ip = u"10.0.0.1"
  56
  57     def define_packets(self):
  58         """Defines the packets to be sent from the traffic generator.
  59
  60         Packet definition: | ETH | IP |
  61
  62         :returns: Packets to be sent from the traffic generator.
  63         :rtype: tuple
  64         """
  65
  66         # Direction 0 --> 1
  67         base_pkt_a = (
  68             Ether(
  69                 src=self.p1_src_start_mac
  70             ) /
  71             IP(
  72                 src=self.p1_src_start_ip,
  73                 dst=self.p1_dst_start_ip,
  74                 proto=61
  75             )
  76         )
  77         # Direction 1 --> 0
  78         base_pkt_b = (
  79             Ether(
  80                 src=self.p2_src_start_mac
  81             ) /
  82             IP(
  83                 src=self.p2_src_start_ip,
  84                 dst=self.p2_dst_start_ip,
  85                 proto=61
  86             )
  87         )
  88
  89         # Direction 0 --> 1
  90         vm1 = STLScVmRaw(
  91             [
  92                 STLVmFlowVar(
  93                     name=u"mac_src",
  94                     min_value=0,
  95                     max_value=self.clients-1,
  96                     size=4,
  97                     op=u"inc"
  98                 ),
  99                 STLVmWrFlowVar(
 100                     fv_name=u"mac_src",
 101                     pkt_offset=8
 102                 ),
 103                 STLVmFlowVar(
 104                     name=u"src",
 105                     min_value=self.p1_src_start_ip,
 106                     max_value=self.p1_src_end_ip,
 107                     size=4,
 108                     op=u"inc"
 109                 ),
 110                 STLVmWrFlowVar(
 111                     fv_name=u"src",
 112                     pkt_offset=u"IP.src"
 113                 ),
 114                 STLVmFixIpv4(
 115                     offset=u"IP"
 116                 )
 117             ]
 118         )
 119         # Direction 1 --> 0
 120         vm2 = STLScVmRaw(
 121             [
 122                 STLVmFlowVar(
 123                     name=u"mac_src",
 124                     min_value=0,
 125                     max_value=self.clients-1,
 126                     size=4,
 127                     op=u"inc"
 128                 ),
 129                 STLVmWrFlowVar(
 130                     fv_name=u"mac_src",
 131                     pkt_offset=8
 132                 ),
 133                 STLVmFlowVar(
 134                     name=u"src",
 135                     min_value=self.p2_src_start_ip,
 136                     max_value=self.p2_src_end_ip,
 137                     size=4,
 138                     op=u"inc"
 139                 ),
 140                 STLVmWrFlowVar(
 141                     fv_name=u"src",
 142                     pkt_offset=u"IP.src"
 143                 ),
 144                 STLVmFixIpv4(
 145                     offset=u"IP"
 146                 )
 147             ]
 148         )
 149
 150         return base_pkt_a, base_pkt_b, vm1, vm2
 151
 152
 153 def register():
 154     """Register this traffic profile to T-rex.
 155
 156     Do not change this function.
 157
 158     :returns: Traffic streams.
 159     :rtype: Object
 160     """
 161     return TrafficStreams()