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
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
18 # Unless required by applicable law or agreed to in writing, software
19 # distributed under the License is distributed on an "AS IS" BASIS,
20 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
28 - Packet: ETH / IP / UDP
30 - Source IP address range: 20.0.0.0 - 20.0.7.207
31 - Destination IP address range: 12.0.0.2
32 - Source UDP port range: 1024 - 1038
33 - Destination UDP port range: 1024
35 - Source IP address range: 12.0.0.2
36 - Destination IP address range: 200.0.0.0
37 - Source UDP port range: 1024
38 - Destination UDP port range: 1024 - 31022
41 from trex.stl.api import *
42 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
45 class TrafficStreams(TrafficStreamsBaseClass):
49 """Initialization and setting of streams' parameters."""
51 super(TrafficStreamsBaseClass, self).__init__()
53 # IPs used in packet headers.
54 self.p1_src_start_ip = u"20.0.0.0"
55 self.p1_src_end_ip = u"20.0.7.207"
56 self.p1_dst_start_ip = u"12.0.0.2"
58 self.p2_src_start_ip = u"12.0.0.2"
59 self.p2_src_end_ip = u"12.0.0.2"
60 self.p2_dst_start_ip = u"200.0.0.0"
62 # UDP ports used in packet headers.
63 self.p1_src_start_udp_port = 1024
64 self.p1_src_end_udp_port = 1038
65 self.p1_dst_start_udp_port = 1024
67 self.p2_src_start_udp_port = 1024
68 self.p2_dst_start_udp_port = 1024
69 self.p2_dst_end_udp_port = 31022
71 def define_packets(self):
72 """Defines the packets to be sent from the traffic generator.
74 Packet definition: | ETH | IP | UDP |
76 :returns: Packets to be sent from the traffic generator.
84 src=self.p1_src_start_ip,
85 dst=self.p1_dst_start_ip,
89 sport=self.p1_src_start_udp_port,
90 dport=self.p1_dst_start_udp_port
97 src=self.p2_src_start_ip,
98 dst=self.p2_dst_start_ip,
102 sport=self.p2_src_start_udp_port,
103 dport=self.p2_dst_start_udp_port
111 ip_min=self.p1_src_start_ip,
112 ip_max=self.p1_src_end_ip,
113 port_min=self.p1_src_start_udp_port,
114 port_max=self.p1_src_end_udp_port,
125 fv_name=u"tuple.port",
126 pkt_offset=u"UDP.sport"
135 min_value=self.p2_dst_start_udp_port,
136 max_value=self.p2_dst_end_udp_port,
142 pkt_offset=u"UDP.dport"
147 return base_pkt_a, base_pkt_b, vm1, vm2
151 """Register this traffic profile to T-rex.
153 Do not change this function.
155 :return: Traffic streams.
158 return TrafficStreams()