1 # Copyright (c) 2020 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
8 # may obtain a copy of the Licenses at:
10 # http://www.apache.org/licenses/LICENSE-2.0
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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
15 # with Scapy (or other GPLv2+ licensed software), you are free to choose Apache 2.
17 # Unless required by applicable law or agreed to in writing, software
18 # distributed under the License is distributed on an "AS IS" BASIS,
19 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20 # See the License for the specific language governing permissions and
21 # limitations under the License.
23 """Stream profile for T-rex traffic generator.
26 - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
28 - Packet: ETH / IPv6 /
29 - Source IP address range: 2001:1::2 - 2001:1::FE
30 - Destination IP address range: 2001:2::2
32 - Packet: ETH / DOT1Q / IPv6 /
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__()
52 # IPs used in packet headers.
53 self.p1_src_start_ip = u"2001:1::2"
54 self.p1_src_end_ip = u"2001:1::FE"
55 self.p1_dst_start_ip = u"2001:2::2"
57 self.p2_src_start_ip = u"2001:2::2"
58 self.p2_src_end_ip = u"2001:2::FE"
59 self.p2_dst_start_ip = u"2001:1::2"
61 def define_packets(self):
62 """Defines the packets to be sent from the traffic generator.
64 Packet definition: | ETH | IPv6 |
66 :returns: Packets to be sent from the traffic generator.
70 base_p1, count_p1 = self._get_start_end_ipv6(
74 base_p2, count_p2 = self._get_start_end_ipv6(
83 src=self.p1_src_start_ip,
84 dst=self.p1_dst_start_ip
94 src=self.p2_src_start_ip,
95 dst=self.p2_dst_start_ip
105 max_value=base_p1 + count_p1,
110 pkt_offset=u"IPv6.src",
121 max_value=base_p2 + count_p2,
126 pkt_offset=u"IPv6.src",
132 return base_pkt_a, base_pkt_b, vm1, vm2
136 """Register this traffic profile to T-rex.
138 Do not change this function.
140 :returns: Traffic streams.
143 return TrafficStreams()