aboutsummaryrefslogtreecommitdiffstats
path: root/GPL/traffic_profiles/trex/trex-stl-ethip4udp-262144u63p-udir.py
blob: b96ba1162f5904dd9c6318dff9b940d0d9d165c6 (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
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
# Copyright (c) 2020 Cisco and/or its affiliates.
#
# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
#
# Licensed under the Apache License 2.0 or
# GNU General Public License v2.0 or later;  you may not use this file
# except in compliance with one of these Licenses. You
# may obtain a copy of the Licenses at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#     https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
#
# Note: If this file is linked with Scapy, which is GPLv2+, your use of it
# must be under GPLv2+.  If at any point in the future it is no longer linked
# with Scapy (or other GPLv2+ licensed software), you are free to choose Apache 2.
#
# 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:
 - One stream sent in directions 0 --> 1.
 - Packet: ETH / IP / UDP
 - Direction 0 --> 1:
   - Source IP address range:      192.168.0.0 - 192.171.255.255
   - Destination IP address range: 20.0.0.0 - 20.3.255.255
   - Source UDP port range:        1024 - 1086
   - Destination UDP port range:   8080
"""

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__()

        # IPs used in packet headers.
        self.p1_src_start_ip = u"192.168.0.0"
        self.p1_src_end_ip = u"192.171.255.255"
        self.p1_dst_start_ip = u"20.0.0.0"
        self.p1_dst_end_ip = u"20.3.255.255"

        # UDP ports used in packet headers.
        self.p1_src_start_udp_port = 1024
        self.p1_src_end_udp_port = 1086
        self.p1_dst_start_udp_port = 8080
        self.p1_dst_end_udp_port = 8080

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

        Packet definition: | ETH | IP | UDP |

        :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=17
            ) /
            UDP(
                sport=self.p1_src_start_udp_port,
                dport=self.p1_dst_start_udp_port
            )
        )

        base_pkt_b = (
            Ether()
        )

        # Direction 0 --> 1
        vm1 = STLVM()
        vm1.var(name="sIP",
                min_value=self.p1_src_start_ip,
                max_value=self.p1_src_end_ip,
                size=4,
                op="inc",
                next_var="sport")
        vm1.var(name="sport",
                min_value=self.p1_src_start_udp_port,
                max_value=self.p1_src_end_udp_port,
                size=2,
                op="inc")
        vm1.var(name="dIP",
                min_value=self.p1_dst_start_ip,
                max_value=self.p1_dst_end_ip,
                size=4,
                op="inc")
        vm1.var(name="dport",
                min_value=self.p1_dst_start_udp_port,
                max_value=self.p1_dst_end_udp_port,
                size=2,
                op="inc")
        vm1.write(fv_name="sIP", pkt_offset="IP.src")
        vm1.write(fv_name="sport", pkt_offset="UDP.sport")
        vm1.write(fv_name="dIP", pkt_offset="IP.dst")
        vm1.write(fv_name="dport", pkt_offset="UDP.dport")
        vm1.fix_chksum(offset='IP')

        vm2 = STLVM()

        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()