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.
30 - Destination MAC address: 52:54:00:00:nf_id:01
31 - Source IP address range: 10.10.10.1 - 10.10.10.254
32 - Destination IP address range: 20.20.20.1
34 - Destination MAC address: 52:54:00:00:nf_id:02
35 - Source IP address range: 20.20.20.1 - 20.20.20.254
36 - Destination IP address range: 10.10.10.1
39 from re import finditer
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 # Service density parameters.
57 # MACs used in packet headers.
58 self.p1_dst_start_mac = u"52:54:00:00:00:01"
59 self.p2_dst_start_mac = u"52:54:00:00:00:02"
61 # IPs used in packet headers.
62 self.p1_src_start_ip = u"10.10.10.1"
63 self.p1_src_end_ip = u"10.10.10.254"
64 self.p1_dst_start_ip = u"20.20.20.1"
66 self.p2_src_start_ip = u"20.20.20.1"
67 self.p2_src_end_ip = u"20.20.20.254"
68 self.p2_dst_start_ip = u"10.10.10.1"
70 def define_packets(self):
71 """Defines the packets to be sent from the traffic generator.
73 Packet definition: | ETH | IP |
75 :returns: Packets to be sent from the traffic generator.
82 dst=self.p1_dst_start_mac
85 src=self.p1_src_start_ip,
86 dst=self.p1_dst_start_ip,
93 dst=self.p2_dst_start_mac
96 src=self.p2_src_start_ip,
97 dst=self.p2_dst_start_ip,
108 max_value=self.nf_chains*self.nf_nodes,
119 min_value=self.p1_src_start_ip,
120 max_value=self.p1_src_end_ip,
138 min_value=self.nf_nodes,
139 max_value=self.nf_chains*self.nf_nodes,
150 min_value=self.p2_src_start_ip,
151 max_value=self.p2_src_end_ip,
165 return base_pkt_a, base_pkt_b, vm1, vm2
169 """Register this traffic profile to T-rex.
171 Do not change this function.
173 :return: Traffic streams.
176 return TrafficStreams()