resources/traffic_profiles/trex/trex-sl-2n-ethip4-macsrc500kdst500k.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:00:07:a1:1f
  21    - Destination MAC address range: fa:ce:00:00:00:00 - fa:ce:00:07:a1:1f
  22    - Source IP address range:       10.0.0.0 - 10.7.161.31
  23    - Destination IP address range:  20.0.0.0 - 20.7.161.31
  24  - Direction 1 --> 0:
  25    - Source MAC address range:      fa:ce:00:00:00:00 - fa:ce:00:07:a1:1f
  26    - Destination MAC address range: ca:fe:00:00:00:00 - ca:fe:00:07:a1:1f
  27    - Source IP address range:       20.0.0.0 - 20.7.161.31
  28    - Destination IP address range:  10.0.0.0 - 10.7.161.31
  29 """
  30
  31 from trex_stl_lib.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         self.clients = 500000
  44
  45         # MACs used in packet headers.
  46         self.p1_src_start_mac = 'ca:fe:00:00:00:00' # mask: 00:00:FF:FF:FF:FF
  47         self.p1_dst_start_mac = 'fa:ce:00:00:00:00' # mask: 00:00:FF:FF:FF:FF
  48
  49         self.p2_src_start_mac = 'fa:ce:00:00:00:00' # mask: 00:00:FF:FF:FF:FF
  50         self.p2_dst_start_mac = 'ca:fe:00:00:00:00' # mask: 00:00:FF:FF:FF:FF
  51
  52         # IPs used in packet headers.
  53         self.p1_src_start_ip = '10.0.0.0'
  54         self.p1_src_end_ip = '10.7.161.31'
  55
  56         self.p1_dst_start_ip = '20.0.0.0'
  57         self.p1_dst_end_ip = '20.7.161.31'
  58
  59         self.p2_src_start_ip = '20.0.0.0'
  60         self.p2_src_end_ip = '20.7.161.31'
  61
  62         self.p2_dst_start_ip = '10.0.0.0'
  63         self.p2_dst_end_ip = '10.7.161.31'
  64
  65     def define_packets(self):
  66         """Defines the packets to be sent from the traffic generator.
  67
  68         Packet definition: | ETH | IP |
  69
  70         :returns: Packets to be sent from the traffic generator.
  71         :rtype: tuple
  72         """
  73
  74         # Direction 0 --> 1
  75         base_pkt_a = (Ether(src=self.p1_src_start_mac,
  76                             dst=self.p1_dst_start_mac) /
  77                       IP(src=self.p1_src_start_ip,
  78                          dst=self.p1_dst_start_ip,
  79                          proto=61))
  80         # Direction 1 --> 0
  81         base_pkt_b = (Ether(src=self.p2_src_start_mac,
  82                             dst=self.p2_dst_start_mac) /
  83                       IP(src=self.p2_src_start_ip,
  84                          dst=self.p2_dst_start_ip,
  85                          proto=61))
  86
  87         # Direction 0 --> 1
  88         vm1 = STLScVmRaw([STLVmFlowVar(name="mac_src",
  89                                        min_value=0,
  90                                        max_value=self.clients-1,
  91                                        size=4, op="inc"),
  92                           STLVmFlowVar(name="mac_dst",
  93                                        min_value=0,
  94                                        max_value=self.clients-1,
  95                                        size=4, op="inc"),
  96                           STLVmWrFlowVar(fv_name="mac_src", pkt_offset= 8),
  97                           STLVmWrFlowVar(fv_name="mac_dst", pkt_offset= 2),
  98                           STLVmFlowVar(name="ip_src",
  99                                        min_value=self.p1_src_start_ip,
 100                                        max_value=self.p1_src_end_ip,
 101                                        size=4, op="inc"),
 102                           STLVmWrFlowVar(fv_name="ip_src", pkt_offset="IP.src"),
 103                           STLVmFlowVar(name="ip_dst",
 104                                        min_value=self.p1_dst_start_ip,
 105                                        max_value=self.p1_dst_end_ip,
 106                                        size=4, op="inc"),
 107                           STLVmWrFlowVar(fv_name="ip_dst", pkt_offset="IP.dst"),
 108                           STLVmFixIpv4(offset="IP")])
 109         # Direction 1 --> 0
 110         vm2 = STLScVmRaw([STLVmFlowVar(name="mac_src",
 111                                        min_value=0,
 112                                        max_value=self.clients-1,
 113                                        size=4, op="inc"),
 114                           STLVmFlowVar(name="mac_dst",
 115                                        min_value=0,
 116                                        max_value=self.clients-1,
 117                                        size=4, op="inc"),
 118                           STLVmWrFlowVar(fv_name="mac_src", pkt_offset= 8),
 119                           STLVmWrFlowVar(fv_name="mac_dst", pkt_offset= 2),
 120                           STLVmFlowVar(name="ip_src",
 121                                        min_value=self.p2_src_start_ip,
 122                                        max_value=self.p2_src_end_ip,
 123                                        size=4, op="inc"),
 124                           STLVmWrFlowVar(fv_name="ip_src", pkt_offset="IP.src"),
 125                           STLVmFlowVar(name="ip_dst",
 126                                        min_value=self.p2_dst_start_ip,
 127                                        max_value=self.p2_dst_end_ip,
 128                                        size=4, op="inc"),
 129                           STLVmWrFlowVar(fv_name="ip_dst", pkt_offset="IP.dst"),
 130                           STLVmFixIpv4(offset="IP")])
 131
 132         return base_pkt_a, base_pkt_b, vm1, vm2
 133
 134
 135 def register():
 136     """Register this traffic profile to T-rex.
 137
 138     Do not change this function.
 139
 140     :return: Traffic streams.
 141     :rtype: Object
 142     """
 143     return TrafficStreams()