1 # Copyright (c) 2021 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
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14 # must be under GPLv2+. If at any point in the future it is no longer linked
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24 """Stream profile for T-rex traffic generator.
27 - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
28 - Packet: ETH / IPv6 /
30 - Source IP address range: 2001:1::2 - 2001:1::FE
31 - Destination IP address range: 2001:2::2
33 - Source IP address range: 2001:2::2 - 2001:2::FE
34 - Destination IP address range: 2001:1::2
37 from trex.stl.api import *
38 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
41 class TrafficStreams(TrafficStreamsBaseClass):
45 """Initialization and setting of streams' parameters."""
47 super(TrafficStreamsBaseClass, self).__init__()
49 # IPs used in packet headers.
50 self.p1_src_start_ip = u"2001:1::2"
51 self.p1_src_end_ip = u"2001:1::FE"
52 self.p1_dst_start_ip = u"2001:2::2"
54 self.p2_src_start_ip = u"2001:2::2"
55 self.p2_src_end_ip = u"2001:2::FE"
56 self.p2_dst_start_ip = u"2001:1::2"
58 def define_packets(self):
59 """Defines the packets to be sent from the traffic generator.
61 Packet definition: | ETH | IPv6 |
63 :returns: Packets to be sent from the traffic generator.
67 base_p1, count_p1 = self._get_start_end_ipv6(
71 base_p2, count_p2 = self._get_start_end_ipv6(
80 src=self.p1_src_start_ip,
81 dst=self.p1_dst_start_ip
88 src=self.p2_src_start_ip,
89 dst=self.p2_dst_start_ip
99 max_value=base_p1 + count_p1,
105 pkt_offset=u"IPv6.src",
116 max_value=base_p2 + count_p2,
122 pkt_offset=u"IPv6.src",
128 return base_pkt_a, base_pkt_b, vm1, vm2
132 """Register this traffic profile to T-rex.
134 Do not change this function.
136 :return: Traffic streams.
139 return TrafficStreams()