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:
6 # http://www.apache.org/licenses/LICENSE-2.0
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.
14 """Stream profile for T-rex traffic generator.
17 - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
20 - Source IP address range: 10.0.0.1
21 - Destination IP address range: 20.0.0.0 - 20.0.1.143
23 - Source IP address range: 20.0.0.1
24 - Destination IP address range: 10.0.0.0 - 10.0.1.143
27 from trex.stl.api import *
28 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
31 class TrafficStreams(TrafficStreamsBaseClass):
35 """Initialization and setting of streams' parameters."""
37 super(TrafficStreamsBaseClass, self).__init__()
39 self.p1_dst_start_mac = u"02:02:00:00:12:00"
40 self.p1_dst_end_mac = u"02:02:00:00:12:01"
42 self.p2_dst_start_mac = u"02:02:00:00:02:00"
43 self.p2_dst_end_mac = u"02:02:00:00:02:01"
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"20.0.1.143"
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"10.0.1.143"
54 def define_packets(self):
55 """Defines the packets to be sent from the traffic generator.
57 Packet definition: | ETH | IP |
59 :returns: Packets to be sent from the traffic generator.
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,
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,
75 vm1 = STLScVmRaw([STLVmFlowVar(name=u"mac_dst",
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,
84 STLVmWrFlowVar(fv_name=u"dst", pkt_offset=u"IP.dst"),
85 STLVmFixIpv4(offset=u"IP")])
87 vm2 = STLScVmRaw([STLVmFlowVar(name=u"mac_dst",
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,
96 STLVmWrFlowVar(fv_name=u"dst", pkt_offset=u"IP.dst"),
97 STLVmFixIpv4(offset=u"IP")])
99 return base_pkt_a, base_pkt_b, vm1, vm2
103 """Register this traffic profile to T-rex.
105 Do not change this function.
107 :return: Traffic streams.
110 return TrafficStreams()