resources/traffic_profiles/trex/trex-sl-3n-ethip4-macsrc100kip4src100k.py

   1 # Copyright (c) 2017 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:00:01:86:9f
  21    - Source IP address range:      10.0.0.2 - 10.1.134.161
  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:00:01:86:9f
  25    - Source IP address range:      20.0.0.2 - 20.1.134.161
  26    - Destination IP address range: 10.0.0.1
  27 """
  28
  29 from trex_stl_lib.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 = 100000
  42
  43         # MACs used in packet headers.
  44         self.p1_src_start_mac = 'ca:fe:00:00:00:00'  # mask: 00:00:FF:FF:FF:FF
  45
  46         self.p2_src_start_mac = '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 = '10.0.0.2'
  50         self.p1_src_end_ip = '10.1.134.161'
  51         self.p1_dst_start_ip = '20.0.0.1'
  52
  53         self.p2_src_start_ip = '20.0.0.2'
  54         self.p2_src_end_ip = '20.1.134.161'
  55         self.p2_dst_start_ip = '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 = (Ether(src=self.p1_src_start_mac) /
  68                       IP(src=self.p1_src_start_ip,
  69                          dst=self.p1_dst_start_ip,
  70                          proto=61))
  71         # Direction 1 --> 0
  72         base_pkt_b = (Ether(src=self.p2_src_start_mac) /
  73                       IP(src=self.p2_src_start_ip,
  74                          dst=self.p2_dst_start_ip,
  75                          proto=61))
  76
  77         # Direction 0 --> 1
  78         vm1 = STLScVmRaw([STLVmFlowVar(name="mac_src",
  79                                        min_value=0,
  80                                        max_value=self.clients-1,
  81                                        size=4, op="inc"),
  82                           STLVmWrFlowVar(fv_name="mac_src", pkt_offset=8),
  83                           STLVmFlowVar(name="src",
  84                                        min_value=self.p1_src_start_ip,
  85                                        max_value=self.p1_src_end_ip,
  86                                        size=4, op="inc"),
  87                           STLVmWrFlowVar(fv_name="src", pkt_offset="IP.src"),
  88                           STLVmFixIpv4(offset="IP")])
  89         # Direction 1 --> 0
  90         vm2 = STLScVmRaw([STLVmFlowVar(name="mac_src",
  91                                        min_value=0,
  92                                        max_value=self.clients-1,
  93                                        size=4, op="inc"),
  94                           STLVmWrFlowVar(fv_name="mac_src", pkt_offset=8),
  95                           STLVmFlowVar(name="src",
  96                                        min_value=self.p2_src_start_ip,
  97                                        max_value=self.p2_src_end_ip,
  98                                        size=4, op="inc"),
  99                           STLVmWrFlowVar(fv_name="src", pkt_offset="IP.src"),
 100                           STLVmFixIpv4(offset="IP")])
 101
 102         return base_pkt_a, base_pkt_b, vm1, vm2
 103
 104
 105 def register():
 106     """Register this traffic profile to T-rex.
 107
 108     Do not change this function.
 109
 110     :returns: Traffic streams.
 111     :rtype: Object
 112     """
 113     return TrafficStreams()