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:
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 MAC address range: ca:fe:00:00:00:00 - ca:fe:00:07:a1:1f
21 - Destination MAC address range: fa:ce:00:00:00:00 - fa:ce:00:07:a1:1f
22 - Source IP address range: 10.0.0.0 - 10.7.161.31
23 - Destination IP address range: 20.0.0.0 - 20.7.161.31
25 - Source MAC address range: fa:ce:00:00:00:00 - fa:ce:00:07:a1:1f
26 - Destination MAC address range: ca:fe:00:00:00:00 - ca:fe:00:07:a1:1f
27 - Source IP address range: 20.0.0.0 - 20.7.161.31
28 - Destination IP address range: 10.0.0.0 - 10.7.161.31
31 from trex_stl_lib.api import *
32 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
35 class TrafficStreams(TrafficStreamsBaseClass):
39 """Initialization and setting of streams' parameters."""
41 super(TrafficStreamsBaseClass, self).__init__()
45 # MACs used in packet headers.
46 self.p1_src_start_mac = 'ca:fe:00:00:00:00' # mask: 00:00:FF:FF:FF:FF
47 self.p1_dst_start_mac = 'fa:ce:00:00:00:00' # mask: 00:00:FF:FF:FF:FF
49 self.p2_src_start_mac = 'fa:ce:00:00:00:00' # mask: 00:00:FF:FF:FF:FF
50 self.p2_dst_start_mac = 'ca:fe:00:00:00:00' # mask: 00:00:FF:FF:FF:FF
52 # IPs used in packet headers.
53 self.p1_src_start_ip = '10.0.0.0'
54 self.p1_src_end_ip = '10.7.161.31'
56 self.p1_dst_start_ip = '20.0.0.0'
57 self.p1_dst_end_ip = '20.7.161.31'
59 self.p2_src_start_ip = '20.0.0.0'
60 self.p2_src_end_ip = '20.7.161.31'
62 self.p2_dst_start_ip = '10.0.0.0'
63 self.p2_dst_end_ip = '10.7.161.31'
65 def define_packets(self):
66 """Defines the packets to be sent from the traffic generator.
68 Packet definition: | ETH | IP |
70 :returns: Packets to be sent from the traffic generator.
75 base_pkt_a = (Ether(src=self.p1_src_start_mac,
76 dst=self.p1_dst_start_mac) /
77 IP(src=self.p1_src_start_ip,
78 dst=self.p1_dst_start_ip,
81 base_pkt_b = (Ether(src=self.p2_src_start_mac,
82 dst=self.p2_dst_start_mac) /
83 IP(src=self.p2_src_start_ip,
84 dst=self.p2_dst_start_ip,
88 vm1 = STLScVmRaw([STLVmFlowVar(name="mac_src",
90 max_value=self.clients-1,
92 STLVmFlowVar(name="mac_dst",
94 max_value=self.clients-1,
96 STLVmWrFlowVar(fv_name="mac_src", pkt_offset= 8),
97 STLVmWrFlowVar(fv_name="mac_dst", pkt_offset= 2),
98 STLVmFlowVar(name="ip_src",
99 min_value=self.p1_src_start_ip,
100 max_value=self.p1_src_end_ip,
102 STLVmWrFlowVar(fv_name="ip_src", pkt_offset="IP.src"),
103 STLVmFlowVar(name="ip_dst",
104 min_value=self.p1_dst_start_ip,
105 max_value=self.p1_dst_end_ip,
107 STLVmWrFlowVar(fv_name="ip_dst", pkt_offset="IP.dst"),
108 STLVmFixIpv4(offset="IP")])
110 vm2 = STLScVmRaw([STLVmFlowVar(name="mac_src",
112 max_value=self.clients-1,
114 STLVmFlowVar(name="mac_dst",
116 max_value=self.clients-1,
118 STLVmWrFlowVar(fv_name="mac_src", pkt_offset= 8),
119 STLVmWrFlowVar(fv_name="mac_dst", pkt_offset= 2),
120 STLVmFlowVar(name="ip_src",
121 min_value=self.p2_src_start_ip,
122 max_value=self.p2_src_end_ip,
124 STLVmWrFlowVar(fv_name="ip_src", pkt_offset="IP.src"),
125 STLVmFlowVar(name="ip_dst",
126 min_value=self.p2_dst_start_ip,
127 max_value=self.p2_dst_end_ip,
129 STLVmWrFlowVar(fv_name="ip_dst", pkt_offset="IP.dst"),
130 STLVmFixIpv4(offset="IP")])
132 return base_pkt_a, base_pkt_b, vm1, vm2
136 """Register this traffic profile to T-rex.
138 Do not change this function.
140 :return: Traffic streams.
143 return TrafficStreams()