acf6bccc165665efa01ba2923af7c3ff329f7305
[csit.git] / resources / traffic_profiles / trex / trex-sl-2n-dot1qip6asym-ip6src253.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  - Direction 0 --> 1:
19    - Packet: ETH / IPv6 /
20    - Source IP address range:      2001:1::2 - 2001:1::FE
21    - Destination IP address range: 2001:2::2
22  - Direction 1 --> 0:
23    - Packet: ETH / DOT1Q / IPv6 /
24    - Source IP address range:      2001:2::2 - 2001:2::FE
25    - Destination IP address range: 2001:1::2
26 """
27
28 from trex.stl.api import *
29 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
30
31
32 class TrafficStreams(TrafficStreamsBaseClass):
33     """Stream profile."""
34
35     def __init__(self):
36         """Initialization and setting of streams' parameters."""
37
38         super(TrafficStreamsBaseClass, self).__init__()
39
40         # VLAN ID
41         self.vlan_id = 10
42
43         # IPs used in packet headers.
44         self.p1_src_start_ip = '2001:1::2'
45         self.p1_src_end_ip = '2001:1::FE'
46         self.p1_dst_start_ip = '2001:2::2'
47
48         self.p2_src_start_ip = '2001:2::2'
49         self.p2_src_end_ip = '2001:2::FE'
50         self.p2_dst_start_ip = '2001:1::2'
51
52     def define_packets(self):
53         """Defines the packets to be sent from the traffic generator.
54
55         Packet definition: | ETH | IPv6 |
56
57         :returns: Packets to be sent from the traffic generator.
58         :rtype: tuple
59         """
60
61         base_p1, count_p1 = self._get_start_end_ipv6(self.p1_src_start_ip,
62                                                      self.p1_src_end_ip)
63         base_p2, count_p2 = self._get_start_end_ipv6(self.p2_src_start_ip,
64                                                      self.p2_src_end_ip)
65
66         # Direction 0 --> 1
67         base_pkt_a = (Ether() /
68                       IPv6(src=self.p1_src_start_ip,
69                            dst=self.p1_dst_start_ip))
70         # Direction 1 --> 0
71         base_pkt_b = (Ether() /
72                       Dot1Q(vlan=self.vlan_id) /
73                       IPv6(src=self.p2_src_start_ip,
74                            dst=self.p2_dst_start_ip))
75
76         # Direction 0 --> 1
77         vm1 = STLScVmRaw([STLVmFlowVar(name="ipv6_src",
78                                        min_value=base_p1,
79                                        max_value=base_p1 + count_p1,
80                                        size=8, op="inc"),
81                           STLVmWrFlowVar(fv_name="ipv6_src",
82                                          pkt_offset="IPv6.src",
83                                          offset_fixup=8)])
84         # Direction 1 --> 0
85         vm2 = STLScVmRaw([STLVmFlowVar(name="ipv6_src",
86                                        min_value=base_p2,
87                                        max_value=base_p2 + count_p2,
88                                        size=8, op="inc"),
89                           STLVmWrFlowVar(fv_name="ipv6_src",
90                                          pkt_offset="IPv6.src",
91                                          offset_fixup=8)])
92
93         return base_pkt_a, base_pkt_b, vm1, vm2
94
95
96 def register():
97     """Register this traffic profile to T-rex.
98
99     Do not change this function.
100
101     :returns: Traffic streams.
102     :rtype: Object
103     """
104     return TrafficStreams()

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