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
11 # https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
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.
27 - Packet: ETH / IPv6 /
29 - Source IP address range: 2001:1::2 - 2001:1::FE
30 - Destination IP address range: 2001:2::2
32 - Source IP address range: 2001:2::2 - 2001:2::FE
33 - Destination IP address range: 2001:1::2
36 from trex.stl.api import *
37 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
40 class TrafficStreams(TrafficStreamsBaseClass):
44 """Initialization and setting of streams' parameters."""
46 super(TrafficStreamsBaseClass, self).__init__()
48 # IPs used in packet headers.
49 self.p1_src_start_ip = u"2001:1::2"
50 self.p1_src_end_ip = u"2001:1::FE"
51 self.p1_dst_start_ip = u"2001:2::2"
53 self.p2_src_start_ip = u"2001:2::2"
54 self.p2_src_end_ip = u"2001:2::FE"
55 self.p2_dst_start_ip = u"2001:1::2"
57 def define_packets(self):
58 """Defines the packets to be sent from the traffic generator.
60 Packet definition: | ETH | IPv6 |
62 :returns: Packets to be sent from the traffic generator.
66 base_p1, count_p1 = self._get_start_end_ipv6(
70 base_p2, count_p2 = self._get_start_end_ipv6(
79 src=self.p1_src_start_ip,
80 dst=self.p1_dst_start_ip
87 src=self.p2_src_start_ip,
88 dst=self.p2_dst_start_ip
98 max_value=base_p1 + count_p1,
104 pkt_offset=u"IPv6.src",
115 max_value=base_p2 + count_p2,
121 pkt_offset=u"IPv6.src",
127 return base_pkt_a, base_pkt_b, vm1, vm2
131 """Register this traffic profile to T-rex.
133 Do not change this function.
135 :return: Traffic streams.
138 return TrafficStreams()