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.
18 - Packet: ETH / DOT1Q / IP /
21 - Source IP address range: 10.0.0.1 - 10.0.0.254
22 - Destination IP address range: 20.0.0.1 - 20.0.0.254
25 - Source IP address range: 20.0.0.1 - 20.0.0.254
26 - Destination IP address range: 10.0.0.1 - 10.0.0.254
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__()
44 self.p1_vlan_start = 1
45 self.p1_vlan_end = self.p1_vlan_start + self.vlans - 1
47 self.p2_vlan_start = 1
48 self.p2_vlan_end = self.p2_vlan_start + self.vlans - 1
50 # IPs used in packet headers.
51 self.p1_src_start_ip = u"10.0.0.1"
52 self.p1_src_end_ip = u"10.0.0.254"
54 self.p1_dst_start_ip = u"20.0.0.1"
55 self.p1_dst_end_ip = u"20.0.0.254"
57 self.p2_src_start_ip = u"20.0.0.1"
58 self.p2_src_end_ip = u"20.0.0.254"
60 self.p2_dst_start_ip = u"10.0.0.1"
61 self.p2_dst_end_ip = u"10.0.0.254"
63 def define_packets(self):
64 """Defines the packets to be sent from the traffic generator.
66 Packet definition: | ETH | DOT1Q | IP |
68 :returns: Packets to be sent from the traffic generator.
76 vlan=self.p1_vlan_start
79 src=self.p1_src_start_ip,
80 dst=self.p1_dst_start_ip,
88 vlan=self.p2_vlan_start
91 src=self.p2_src_start_ip,
92 dst=self.p2_dst_start_ip,
102 min_value=self.p1_vlan_start,
103 max_value=self.p1_vlan_end,
109 pkt_offset=u"Dot1Q.vlan"
113 min_value=self.p1_src_start_ip,
114 max_value=self.p1_src_end_ip,
124 min_value=self.p1_dst_start_ip,
125 max_value=self.p1_dst_end_ip,
143 min_value=self.p2_vlan_start,
144 max_value=self.p2_vlan_end,
150 pkt_offset=u"Dot1Q.vlan"
154 min_value=self.p2_src_start_ip,
155 max_value=self.p2_src_end_ip,
165 min_value=self.p2_dst_start_ip,
166 max_value=self.p2_dst_end_ip,
180 return base_pkt_a, base_pkt_b, vm1, vm2
184 """Register this traffic profile to T-rex.
186 Do not change this function.
188 :returns: Traffic streams.
191 return TrafficStreams()