aboutsummaryrefslogtreecommitdiffstats
path: root/resources/traffic_profiles/trex/trex-sl-3n-ethip4-ip4dst1000-1cnf.py
blob: 47a3f371be8a31330fc8e77a70d808f6698cda53 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
# Copyright (c) 2019 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Stream profile for T-rex traffic generator.

Stream profile:
 - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
 - Packet: ETH / IP /
 - Direction 0 --> 1:
   - Source IP address range:      10.0.0.1
   - Destination IP address range: 20.0.0.0 - 20.0.3.231
 - Direction 1 --> 0:
   - Source IP address range:      20.0.0.1
   - Destination IP address range: 10.0.0.0 - 10.0.3.231
"""

from trex.stl.api import *
from profile_trex_stateless_base_class import TrafficStreamsBaseClass


class TrafficStreams(TrafficStreamsBaseClass):
    """Stream profile."""

    def __init__(self):
        """Initialization and setting of streams' parameters."""

        super(TrafficStreamsBaseClass, self).__init__()

        self.p2_dst_start_mac = '02:02:00:00:00:00'
        self.p2_dst_end_mac = '02:02:00:00:00:00'

        # IPs used in packet headers.
        self.p1_src_start_ip = '10.0.0.1'
        self.p1_dst_start_ip = '20.0.0.0'
        self.p1_dst_end_ip = '20.0.3.231'

        self.p2_src_start_ip = '20.0.0.1'
        self.p2_dst_start_ip = '10.0.0.0'
        self.p2_dst_end_ip = '10.0.3.231'

    def define_packets(self):
        """Defines the packets to be sent from the traffic generator.

        Packet definition: | ETH | IP |

        :returns: Packets to be sent from the traffic generator.
        :rtype: tuple
        """

        # Direction 0 --> 1
        base_pkt_a = (Ether() /
                      IP(src=self.p1_src_start_ip,
                         dst=self.p1_dst_start_ip,
                         proto=61))
        # Direction 1 --> 0
        base_pkt_b = (Ether(dst=self.p2_dst_start_mac) /
                      IP(src=self.p2_src_start_ip,
                         dst=self.p2_dst_start_ip,
                         proto=61))

        # Direction 0 --> 1
        vm1 = STLScVmRaw([STLVmFlowVar(name="dst",
                                       min_value=self.p1_dst_start_ip,
                                       max_value=self.p1_dst_end_ip,
                                       size=4, op="inc"),
                          STLVmWrFlowVar(fv_name="dst", pkt_offset="IP.dst"),
                          STLVmFixIpv4(offset="IP")])
        # Direction 1 --> 0
        vm2 = STLScVmRaw([STLVmFlowVar(name="mac_dst",
                                       min_value=0,
                                       max_value=0,
                                       size=1, op="inc"),
                          STLVmWrFlowVar(fv_name="mac_dst", pkt_offset=5),
                          STLVmFlowVar(name="dst",
                                       min_value=self.p2_dst_start_ip,
                                       max_value=self.p2_dst_end_ip,
                                       size=4, op="inc"),
                          STLVmWrFlowVar(fv_name="dst", pkt_offset="IP.dst"),
                          STLVmFixIpv4(offset="IP")])

        return base_pkt_a, base_pkt_b, vm1, vm2


def register():
    """Register this traffic profile to T-rex.

    Do not change this function.

    :return: Traffic streams.
    :rtype: Object
    """
    return TrafficStreams()