resources/traffic_profiles/trex/trex-sl-2n-ethip4udp-lb.py

   1 # Copyright (c) 2020 Intel 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  - Packet: ETH / IP / UDP
  18  - Direction 0 --> 1:
  19    - Source IP address range:      192.168.50.74 - 192.168.50.79
  20    - Destination IP address range: 90.1.2.1
  21  - Direction 1 --> 0:
  22    - Source IP address range:      192.168.60.74 - 192.168.60.79
  23    - Destination IP address range: 192.168.50.74 - 192.168.50.79
  24 """
  25
  26 from trex.stl.api import *
  27 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
  28
  29
  30 class TrafficStreams(TrafficStreamsBaseClass):
  31     """Stream profile."""
  32
  33     def __init__(self):
  34         """Initialization and setting of streams' parameters."""
  35
  36         super(TrafficStreamsBaseClass, self).__init__()
  37
  38         # IPs used in packet headers.
  39         self.p1_src_start_ip = u"192.168.50.74"
  40         self.p1_src_end_ip = u"192.168.50.79"
  41         self.p1_dst_start_ip = u"90.1.2.1"
  42
  43         self.p2_src_start_ip = u"192.168.60.74"
  44         self.p2_src_end_ip = u"192.168.60.79"
  45         self.p2_dst_start_ip = u"192.168.50.74"
  46         self.p2_dst_end_ip = u"192.168.50.79"
  47
  48         # UDP ports used in packet headers.
  49         self.p1_src_udp_port = 63
  50         self.p1_dst_udp_port = 20000
  51
  52         self.p2_src_udp_port = 3307
  53         self.p2_dst_udp_port = 63
  54
  55     def define_packets(self):
  56         """Defines the packets to be sent from the traffic generator.
  57
  58         Packet definition: | ETH | IP | UDP
  59
  60         :returns: Packets to be sent from the traffic generator.
  61         :rtype: tuple
  62         """
  63
  64         # Direction 0 --> 1
  65         base_pkt_a = (
  66             Ether() /
  67             IP(
  68                 src=self.p1_src_start_ip,
  69                 dst=self.p1_dst_start_ip,
  70                 proto=17) /
  71             UDP(
  72                 sport=self.p1_src_udp_port,
  73                 dport=self.p1_dst_udp_port
  74              )
  75         )
  76         # Direction 1 --> 0
  77         base_pkt_b = (
  78             Ether() /
  79             IP(
  80                 src=self.p2_src_start_ip,
  81                 dst=self.p2_dst_start_ip,
  82                 proto=17
  83              ) /
  84             UDP(
  85                 sport=self.p2_src_udp_port,
  86                 dport=self.p2_dst_udp_port
  87              )
  88         )
  89
  90         # Direction 0 --> 1
  91         vm1 = STLScVmRaw(
  92             [
  93                 STLVmFlowVar(
  94                     name=u"src",
  95                     min_value=self.p1_src_start_ip,
  96                     max_value=self.p1_src_end_ip,
  97                     size=4,
  98                     op=u"inc"
  99                 ),
 100                 STLVmWrFlowVar(
 101                     fv_name=u"src",
 102                     pkt_offset=u"IP.src"
 103                 ),
 104                 STLVmFixIpv4(
 105                     offset=u"IP"
 106                 )
 107             ]
 108         )
 109         # Direction 1 --> 0
 110         vm2 = STLScVmRaw(
 111             [
 112                 STLVmFlowVar(
 113                     name=u"src",
 114                     min_value=self.p2_src_start_ip,
 115                     max_value=self.p2_src_end_ip,
 116                     size=4,
 117                     op=u"inc"
 118                 ),
 119                 STLVmWrFlowVar(
 120                     fv_name=u"src",
 121                     pkt_offset=u"IP.src"
 122                 ),
 123                 STLVmFlowVar(
 124                     name=u"dst",
 125                     min_value=self.p2_dst_start_ip,
 126                     max_value=self.p2_dst_end_ip,
 127                     size=4,
 128                     op=u"inc"
 129                 ),
 130                 STLVmWrFlowVar(
 131                     fv_name=u"dst",
 132                     pkt_offset=u"IP.dst"
 133                 ),
 134                 STLVmFixIpv4(
 135                     offset=u"IP"
 136                 )
 137             ]
 138         )
 139         return base_pkt_a, base_pkt_b, vm1, vm2
 140
 141
 142 def register():
 143     """Register this traffic profile to T-rex.
 144
 145     Do not change this function.
 146
 147     :return: Traffic streams.
 148     :rtype: Object
 149     """
 150     return TrafficStreams()