1 # Copyright (c) 2020 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 - Destination MAC address: 52:54:00:00:nf_id:01
21 - Source IP address range: 10.10.10.1 - 10.10.10.254
22 - Destination IP address range: 20.20.20.1
24 - Destination MAC address: 52:54:00:00:nf_id:02
25 - Source IP address range: 20.20.20.1 - 20.20.20.254
26 - Destination IP address range: 10.10.10.1
29 from trex.stl.api import *
30 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
33 class TrafficStreams(TrafficStreamsBaseClass):
37 """Initialization and setting of streams' parameters."""
39 super(TrafficStreamsBaseClass, self).__init__()
41 # Service density parameters.
45 # MACs used in packet headers.
46 self.p1_dst_start_mac = u"52:54:00:00:00:01"
47 self.p2_dst_start_mac = u"52:54:00:00:00:02"
49 # IPs used in packet headers.
50 self.p1_src_start_ip = u"10.10.10.1"
51 self.p1_src_end_ip = u"10.10.10.254"
52 self.p1_dst_start_ip = u"20.20.20.1"
54 self.p2_src_start_ip = u"20.20.20.1"
55 self.p2_src_end_ip = u"20.20.20.254"
56 self.p2_dst_start_ip = u"10.10.10.1"
58 def define_packets(self):
59 """Defines the packets to be sent from the traffic generator.
61 Packet definition: | ETH | IP |
63 :returns: Packets to be sent from the traffic generator.
70 dst=self.p1_dst_start_mac
73 src=self.p1_src_start_ip,
74 dst=self.p1_dst_start_ip,
81 dst=self.p2_dst_start_mac
84 src=self.p2_src_start_ip,
85 dst=self.p2_dst_start_ip,
96 max_value=self.nf_chains*self.nf_nodes,
97 size=1, step=self.nf_nodes,
105 min_value=self.p1_src_start_ip,
106 max_value=self.p1_src_end_ip,
124 min_value=self.nf_nodes,
125 max_value=self.nf_chains*self.nf_nodes,
136 min_value=self.p2_src_start_ip,
137 max_value=self.p2_src_end_ip,
151 return base_pkt_a, base_pkt_b, vm1, vm2
155 """Register this traffic profile to T-rex.
157 Do not change this function.
159 :return: Traffic streams.
162 return TrafficStreams()