resources/traffic_profiles/trex/trex-sl-3n-ethip4-ip4dst40000-8cnf.py

   1 # Copyright (c) 2019 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 IP address range:      10.0.0.1
  21    - Destination IP address range: 20.0.0.0 - 20.0.1.143
  22  - Direction 1 --> 0:
  23    - Source IP address range:      20.0.0.1
  24    - Destination IP address range: 10.0.0.0 - 10.0.1.143
  25 """
  26
  27 from trex.stl.api import *
  28 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
  29
  30
  31 class TrafficStreams(TrafficStreamsBaseClass):
  32     """Stream profile."""
  33
  34     def __init__(self):
  35         """Initialization and setting of streams' parameters."""
  36
  37         super(TrafficStreamsBaseClass, self).__init__()
  38
  39         self.p1_dst_start_mac = u"02:02:00:00:12:00"
  40         self.p1_dst_end_mac = u"02:02:00:00:12:07"
  41
  42         self.p2_dst_start_mac = u"02:02:00:00:02:00"
  43         self.p2_dst_end_mac = u"02:02:00:00:02:07"
  44
  45         # IPs used in packet headers.
  46         self.p1_src_start_ip = u"10.0.0.1"
  47         self.p1_dst_start_ip = u"20.0.0.0"
  48         self.p1_dst_end_ip = u"20.0.156.63"
  49
  50         self.p2_src_start_ip = u"20.0.0.1"
  51         self.p2_dst_start_ip = u"10.0.0.0"
  52         self.p2_dst_end_ip = u"10.0.156.63"
  53
  54     def define_packets(self):
  55         """Defines the packets to be sent from the traffic generator.
  56
  57         Packet definition: | ETH | IP |
  58
  59         :returns: Packets to be sent from the traffic generator.
  60         :rtype: tuple
  61         """
  62
  63         # Direction 0 --> 1
  64         base_pkt_a = (Ether(dst=self.p1_dst_start_mac) /
  65                       IP(src=self.p1_src_start_ip,
  66                          dst=self.p1_dst_start_ip,
  67                          proto=61))
  68         # Direction 1 --> 0
  69         base_pkt_b = (Ether(dst=self.p2_dst_start_mac) /
  70                       IP(src=self.p2_src_start_ip,
  71                          dst=self.p2_dst_start_ip,
  72                          proto=61))
  73
  74         # Direction 0 --> 1
  75         vm1 = STLScVmRaw([STLVmFlowVar(name=u"mac_dst",
  76                                        min_value=0,
  77                                        max_value=7,
  78                                        size=1, op=u"inc"),
  79                           STLVmWrFlowVar(fv_name=u"mac_dst", pkt_offset=5),
  80                           STLVmFlowVar(name=u"dst",
  81                                        min_value=self.p1_dst_start_ip,
  82                                        max_value=self.p1_dst_end_ip,
  83                                        size=4, op=u"inc"),
  84                           STLVmWrFlowVar(fv_name=u"dst", pkt_offset=u"IP.dst"),
  85                           STLVmFixIpv4(offset=u"IP")])
  86         # Direction 1 --> 0
  87         vm2 = STLScVmRaw([STLVmFlowVar(name=u"mac_dst",
  88                                        min_value=0,
  89                                        max_value=7,
  90                                        size=1, op=u"inc"),
  91                           STLVmWrFlowVar(fv_name=u"mac_dst", pkt_offset=5),
  92                           STLVmFlowVar(name=u"dst",
  93                                        min_value=self.p2_dst_start_ip,
  94                                        max_value=self.p2_dst_end_ip,
  95                                        size=4, op=u"inc"),
  96                           STLVmWrFlowVar(fv_name=u"dst", pkt_offset=u"IP.dst"),
  97                           STLVmFixIpv4(offset=u"IP")])
  98
  99         return base_pkt_a, base_pkt_b, vm1, vm2
 100
 101
 102 def register():
 103     """Register this traffic profile to T-rex.
 104
 105     Do not change this function.
 106
 107     :return: Traffic streams.
 108     :rtype: Object
 109     """
 110     return TrafficStreams()
 111