1 # Copyright (c) 2024 Cisco and/or its affiliates.
3 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
5 # Licensed under the Apache License 2.0 or
6 # GNU General Public License v2.0 or later; you may not use this file
7 # except in compliance with one of these Licenses. You
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13 # Note: If this file is linked with Scapy, which is GPLv2+, your use of it
14 # must be under GPLv2+. If at any point in the future it is no longer linked
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21 # See the License for the specific language governing permissions and
22 # limitations under the License.
24 """Stream profile for T-rex traffic generator.
27 - Three parallel bi-directional streams sent as W --> E and E --> W
29 - Packet: ETH / IPv6 /
32 from trex.stl.api import *
33 from profile_trex_stateless_scale_class import TrafficStreamsScaleClass
36 class TrafficStreams(TrafficStreamsScaleClass):
40 """Initialization and setting of streams' parameters."""
42 super(TrafficStreamsScaleClass, self).__init__()
47 "src_start_ip": "2100::1",
48 "dst_start_ip": "2200::0",
49 "dst_end_ip": "2200::270F",
54 "src_start_ip": "2300::1",
55 "dst_start_ip": "2400::0",
56 "dst_end_ip": "2400::270F",
61 "src_start_ip": "2500::1",
62 "dst_start_ip": "2600::0",
63 "dst_end_ip": "2600::270F",
68 "src_start_ip": "2200::1",
69 "dst_start_ip": "2100::0",
70 "dst_end_ip": "2100::270F",
75 "src_start_ip": "2400::1",
76 "dst_start_ip": "2300::0",
77 "dst_end_ip": "2300::270F",
82 "src_start_ip": "2600::1",
83 "dst_start_ip": "2500::0",
84 "dst_end_ip": "2500::270F",
91 def define_packets(self):
92 """Defines the packets to be sent from the traffic generator.
94 Packet definition: | ETH | IPv6 |
96 :returns: Packets to be sent from the traffic generator.
99 for i in range(len(self.pkt_data)):
100 base, count = self._get_start_end_ipv6(
101 self.pkt_data[i]["dst_start_ip"],
102 self.pkt_data[i]["dst_end_ip"]
105 self.pkt_base.append(
108 src=self.pkt_data[i]["src_start_ip"],
109 dst=self.pkt_data[i]["dst_start_ip"]
115 STLVmFlowVarRepeatableRandom(
118 max_value=base + count,
120 seed=self.pkt_data[i]["seed"],
125 pkt_offset="IPv6.dst",
132 return self.pkt_base, self.pkt_vm
136 """Register this traffic profile to T-rex.
138 Do not change this function.
140 :return: Traffic streams.
143 return TrafficStreams()