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 - 20.1.134.159
23 - Source IP address range: 20.0.0.1
24 - Destination IP address range: 10.0.0.0 - 10.1.134.159
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 # IPs used in packet headers.
40 self.p1_src_start_ip = u"10.0.0.1"
41 self.p1_dst_start_ip = u"20.0.0.0"
42 self.p1_dst_end_ip = u"20.1.134.159"
44 self.p2_src_start_ip = u"20.0.0.1"
45 self.p2_dst_start_ip = u"10.0.0.0"
46 self.p2_dst_end_ip = u"10.1.134.159"
48 def define_packets(self):
49 """Defines the packets to be sent from the traffic generator.
51 Packet definition: | ETH | IP |
53 :returns: Packets to be sent from the traffic generator.
58 base_pkt_a = (Ether() /
59 IP(src=self.p1_src_start_ip,
60 dst=self.p1_dst_start_ip,
63 base_pkt_b = (Ether() /
64 IP(src=self.p2_src_start_ip,
65 dst=self.p2_dst_start_ip,
69 vm1 = STLScVmRaw([STLVmFlowVarRepeatableRandom (\
71 min_value=self.p1_dst_start_ip,
72 max_value=self.p1_dst_end_ip,
74 limit=100000, seed=0x0000),
75 STLVmWrFlowVar(fv_name=u"dst", pkt_offset=u"IP.dst"),
76 STLVmFixIpv4(offset=u"IP")])
78 vm2 = STLScVmRaw([STLVmFlowVarRepeatableRandom (\
80 min_value=self.p2_dst_start_ip,
81 max_value=self.p2_dst_end_ip,
83 limit=100000, seed=0x0000),
84 STLVmWrFlowVar(fv_name=u"dst", pkt_offset=u"IP.dst"),
85 STLVmFixIpv4(offset=u"IP")])
87 return base_pkt_a, base_pkt_b, vm1, vm2
91 """Register this traffic profile to T-rex.
93 Do not change this function.
95 :return: Traffic streams.
98 return TrafficStreams()