resources/traffic_profiles/trex/trex-sl-3n-ethip4udp-100u1000p-conc.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 / UDP
  19  - Direction 0 --> 1:
  20    - Source IP address range:      10.10.10.2 - 10.10.10.101
  21    - Destination IP address range: 20.20.20.2 - 20.20.20.101
  22    - Source UDP port range:        1001 - 2000
  23    - Destination UDP port range:   2001 - 3000
  24  - Direction 1 --> 0:
  25    - Source IP address range:      20.20.20.2 - 20.20.20.101
  26    - Destination IP address range: 10.10.10.2 - 10.10.10.101
  27    - Source UDP port range:        2001-3000
  28    - Destination UDP port range:   1001 - 2000
  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         # IPs used in packet headers.
  44         self.p1_src_start_ip = '10.10.10.2'
  45         self.p1_src_end_ip = '10.10.10.101'
  46         self.p1_dst_start_ip = '20.20.20.2'
  47         self.p1_dst_end_ip = '20.20.20.101'
  48
  49         self.p2_src_start_ip = '20.20.20.2'
  50         self.p2_src_end_ip = '20.20.20.101'
  51         self.p2_dst_start_ip = '10.10.10.2'
  52         self.p2_dst_end_ip = '10.10.10.101'
  53
  54         # UDP ports used in packet headers.
  55         self.p1_src_start_udp_port = 1001
  56         self.p1_src_end_udp_port = 2000
  57         self.p1_dst_start_udp_port = 2001
  58         self.p1_dst_end_udp_port = 3000
  59
  60         self.p2_src_start_udp_port = 2001
  61         self.p2_src_end_udp_port = 3000
  62         self.p2_dst_start_udp_port = 1001
  63         self.p2_dst_end_udp_port = 2000
  64
  65     def define_packets(self):
  66         """Defines the packets to be sent from the traffic generator.
  67
  68         Packet definition: | ETH | IP | UDP |
  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() /
  76                       IP(src=self.p1_src_start_ip,
  77                          dst=self.p1_dst_start_ip,
  78                          proto=17) /
  79                       UDP(sport=self.p1_src_start_udp_port,
  80                           dport=self.p1_dst_start_udp_port))
  81         # Direction 1 --> 0
  82         base_pkt_b = (Ether() /
  83                       IP(src=self.p2_src_start_ip,
  84                          dst=self.p2_dst_start_ip,
  85                          proto=17) /
  86                       UDP(sport=self.p2_src_start_udp_port,
  87                           dport=self.p2_dst_start_udp_port))
  88
  89         # Direction 0 --> 1
  90         vm1 = STLScVmRaw([
  91             STLVmTupleGen(ip_min=self.p1_src_start_ip,
  92                           ip_max=self.p1_src_end_ip,
  93                           port_min=self.p1_src_start_udp_port,
  94                           port_max=self.p1_src_end_udp_port,
  95                           name="tuple1_src"),
  96             STLVmTupleGen(ip_min=self.p1_dst_start_ip,
  97                           ip_max=self.p1_dst_end_ip,
  98                           port_min=self.p1_dst_start_udp_port,
  99                           port_max=self.p1_dst_end_udp_port,
 100                           name="tuple1_dst"),
 101             STLVmWrFlowVar(fv_name="tuple1_src.ip", pkt_offset="IP.src"),
 102             STLVmWrFlowVar(fv_name="tuple1_dst.ip", pkt_offset="IP.dst"),
 103             STLVmFixIpv4(offset="IP"),
 104             STLVmWrFlowVar(fv_name="tuple1_src.port", pkt_offset="UDP.sport"),
 105             STLVmWrFlowVar(fv_name="tuple1_dst.port", pkt_offset="UDP.dport")
 106         ])
 107         # Direction 0 --> 1
 108         vm2 = STLScVmRaw([
 109             STLVmTupleGen(ip_min=self.p2_src_start_ip,
 110                           ip_max=self.p2_src_end_ip,
 111                           port_min=self.p2_src_start_udp_port,
 112                           port_max=self.p2_src_end_udp_port,
 113                           name="tuple2_src"),
 114             STLVmTupleGen(ip_min=self.p2_dst_start_ip,
 115                           ip_max=self.p2_dst_end_ip,
 116                           port_min=self.p2_dst_start_udp_port,
 117                           port_max=self.p2_dst_end_udp_port,
 118                           name="tuple2_dst"),
 119             STLVmWrFlowVar(fv_name="tuple2_src.ip", pkt_offset="IP.src"),
 120             STLVmWrFlowVar(fv_name="tuple2_dst.ip", pkt_offset="IP.dst"),
 121             STLVmFixIpv4(offset="IP"),
 122             STLVmWrFlowVar(fv_name="tuple2_src.port", pkt_offset="UDP.sport"),
 123             STLVmWrFlowVar(fv_name="tuple2_dst.port", pkt_offset="UDP.dport")
 124         ])
 125
 126         return base_pkt_a, base_pkt_b, vm1, vm2
 127
 128
 129 def register():
 130     """Register this traffic profile to T-rex.
 131
 132     Do not change this function.
 133
 134     :return: Traffic streams.
 135     :rtype: Object
 136     """
 137     return TrafficStreams()