2b1aa52f77774c414b6661671bedf09bc6b7799c
[csit.git] / resources / traffic_profiles / trex / trex-sl-2n3n-ethip4-ip4src254-1c1n.py
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:
5 #
6 #     http://www.apache.org/licenses/LICENSE-2.0
7 #
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.
13
14 """Stream profile for T-rex traffic generator.
15
16 Stream profile:
17  - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
18  - Packet: ETH / IP /
19  - Direction 0 --> 1:
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
23  - Direction 1 --> 0:
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
27 """
28
29 from re import finditer
30
31 from trex.stl.api import *
32 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
33
34
35 class TrafficStreams(TrafficStreamsBaseClass):
36     """Stream profile."""
37
38     def __init__(self):
39         """Initialization and setting of streams' parameters."""
40
41         super(TrafficStreamsBaseClass, self).__init__()
42
43         # Service density parameters.
44         self.nf_chains = 1
45         self.nf_nodes = 1
46
47         # MACs used in packet headers.
48         self.p1_dst_start_mac = '52:54:00:00:00:01'
49         self.p2_dst_start_mac = '52:54:00:00:00:02'
50
51         # IPs used in packet headers.
52         self.p1_src_start_ip = '10.10.10.1'
53         self.p1_src_end_ip = '10.10.10.254'
54         self.p1_dst_start_ip = '20.20.20.1'
55
56         self.p2_src_start_ip = '20.20.20.1'
57         self.p2_src_end_ip = '20.20.20.254'
58         self.p2_dst_start_ip = '10.10.10.1'
59
60     def define_packets(self):
61         """Defines the packets to be sent from the traffic generator.
62
63         Packet definition: | ETH | IP |
64
65         :returns: Packets to be sent from the traffic generator.
66         :rtype: tuple
67         """
68
69         # Direction 0 --> 1
70         base_pkt_a = (Ether(dst=self.p1_dst_start_mac) /
71                       IP(src=self.p1_src_start_ip,
72                          dst=self.p1_dst_start_ip,
73                          proto=61))
74         # Direction 1 --> 0
75         base_pkt_b = (Ether(dst=self.p2_dst_start_mac) /
76                       IP(src=self.p2_src_start_ip,
77                          dst=self.p2_dst_start_ip,
78                          proto=61))
79
80         # Direction 0 --> 1
81         vm1 = STLScVmRaw([STLVmFlowVar(name="mac_dst",
82                                        min_value=1,
83                                        max_value=self.nf_chains*self.nf_nodes,
84                                        size=1, step=self.nf_nodes, op="inc"),
85                           STLVmWrFlowVar(fv_name="mac_dst", pkt_offset=4),
86                           STLVmFlowVar(name="src",
87                                        min_value=self.p1_src_start_ip,
88                                        max_value=self.p1_src_end_ip,
89                                        size=4, op="inc"),
90                           STLVmWrFlowVar(fv_name="src", pkt_offset="IP.src"),
91                           STLVmFixIpv4(offset="IP")])
92         # Direction 1 --> 0
93         vm2 = STLScVmRaw([STLVmFlowVar(name="mac_dst",
94                                        min_value=self.nf_nodes,
95                                        max_value=self.nf_chains*self.nf_nodes,
96                                        size=1, step=self.nf_nodes, op="inc"),
97                           STLVmWrFlowVar(fv_name="mac_dst", pkt_offset=4),
98                           STLVmFlowVar(name="src",
99                                        min_value=self.p2_src_start_ip,
100                                        max_value=self.p2_src_end_ip,
101                                        size=4, op="inc"),
102                           STLVmWrFlowVar(fv_name="src", pkt_offset="IP.src"),
103                           STLVmFixIpv4(offset="IP")])
104
105         return base_pkt_a, base_pkt_b, vm1, vm2
106
107
108 def register():
109     """Register this traffic profile to T-rex.
110
111     Do not change this function.
112
113     :return: Traffic streams.
114     :rtype: Object
115     """
116     return TrafficStreams()

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