be900ce2cce62811e89edc97efae3f376075bb66
[csit.git] / resources / traffic_profiles / trex / trex-sl-3n-ethip6-ip6src253.py
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:
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 / IPv6 /
19  - Direction 0 --> 1:
20    - Source IP address range:      2001:1::2 - 2001:1::FE
21    - Destination IP address range: 2001:2::2
22  - Direction 1 --> 0:
23    - Source IP address range:      2001:2::2 - 2001:2::FE
24    - Destination IP address range: 2001:1::2
25 """
26
27 from trex_stl_lib.api import *
28 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
29
30
31 class TrafficStreams(TrafficStreamsBaseClass):
32     """Stream profile."""
33
34     def __init__(self):
35         """Initialization and setting of streams' parameters."""
36
37         super(TrafficStreamsBaseClass, self).__init__()
38
39         # IPs used in packet headers.
40         self.p1_src_start_ip = '2001:1::2'
41         self.p1_src_end_ip = '2001:1::FE'
42         self.p1_dst_start_ip = '2001:2::2'
43
44         self.p2_src_start_ip = '2001:2::2'
45         self.p2_src_end_ip = '2001:2::FE'
46         self.p2_dst_start_ip = '2001:1::2'
47
48     def define_packets(self):
49         """Defines the packets to be sent from the traffic generator.
50
51         Packet definition: | ETH | IPv6 |
52
53         :returns: Packets to be sent from the traffic generator.
54         :rtype: tuple
55         """
56
57         base_p1, count_p1 = self._get_start_end_ipv6(self.p1_src_start_ip,
58                                                      self.p1_src_end_ip)
59         base_p2, count_p2 = self._get_start_end_ipv6(self.p2_src_start_ip,
60                                                      self.p2_src_end_ip)
61
62         # Direction 0 --> 1
63         base_pkt_a = Ether() / IPv6(src=self.p1_src_start_ip,
64                                     dst=self.p1_dst_start_ip)
65         # Direction 1 --> 0
66         base_pkt_b = Ether() / IPv6(src=self.p2_src_start_ip,
67                                     dst=self.p2_dst_start_ip)
68
69         # Direction 0 --> 1
70         vm1 = STLScVmRaw([STLVmFlowVar(name="ipv6_src",
71                                        min_value=base_p1,
72                                        max_value=base_p1 + count_p1,
73                                        size=8, op="inc"),
74                           STLVmWrFlowVar(fv_name="ipv6_src",
75                                          pkt_offset="IPv6.src",
76                                          offset_fixup=8)],
77                          split_by_field="ipv6_src")
78         # Direction 1 --> 0
79         vm2 = STLScVmRaw([STLVmFlowVar(name="ipv6_src",
80                                        min_value=base_p2,
81                                        max_value=base_p2 + count_p2,
82                                        size=8, op="inc"),
83                           STLVmWrFlowVar(fv_name="ipv6_src",
84                                          pkt_offset="IPv6.src",
85                                          offset_fixup=8)],
86                          split_by_field="ipv6_src")
87
88         return base_pkt_a, base_pkt_b, vm1, vm2
89
90
91 def register():
92     """Register this traffic profile to T-rex.
93
94     Do not change this function.
95
96     :return: Traffic streams.
97     :rtype: Object
98     """
99     return TrafficStreams()

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