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 / DOT1Q / IP /
30 - Source IP address range: 10.0.0.1 - 10.0.0.254
31 - Destination IP address range: 20.0.0.1 - 20.0.0.254
34 - Source IP address range: 20.0.0.1 - 20.0.0.254
35 - Destination IP address range: 10.0.0.1 - 10.0.0.254
38 from trex.stl.api import *
39 from profile_trex_stateless_base_class import TrafficStreamsBaseClass
42 class TrafficStreams(TrafficStreamsBaseClass):
46 """Initialization and setting of streams' parameters."""
48 super(TrafficStreamsBaseClass, self).__init__()
53 self.p1_vlan_start = 1
54 self.p1_vlan_end = self.p1_vlan_start + self.vlans - 1
56 self.p2_vlan_start = 1
57 self.p2_vlan_end = self.p2_vlan_start + self.vlans - 1
60 # IPs used in packet headers.
61 self.p1_src_start_ip = u"10.0.0.1"
62 self.p1_src_end_ip = u"10.0.0.254"
64 self.p1_dst_start_ip = u"20.0.0.1"
65 self.p1_dst_end_ip = u"20.0.0.254"
67 self.p2_src_start_ip = u"20.0.0.1"
68 self.p2_src_end_ip = u"20.0.0.254"
70 self.p2_dst_start_ip = u"10.0.0.1"
71 self.p2_dst_end_ip = u"10.0.0.254"
73 def define_packets(self):
74 """Defines the packets to be sent from the traffic generator.
76 Packet definition: | ETH | DOT1Q | IP |
78 :returns: Packets to be sent from the traffic generator.
86 vlan=self.p1_vlan_start
89 src=self.p1_src_start_ip,
90 dst=self.p1_dst_start_ip,
98 vlan=self.p2_vlan_start
101 src=self.p2_src_start_ip,
102 dst=self.p2_dst_start_ip,
112 min_value=self.p1_vlan_start,
113 max_value=self.p1_vlan_end,
119 pkt_offset=u"Dot1Q.vlan"
123 min_value=self.p1_src_start_ip,
124 max_value=self.p1_src_end_ip,
134 min_value=self.p1_dst_start_ip,
135 max_value=self.p1_dst_end_ip,
153 min_value=self.p2_vlan_start,
154 max_value=self.p2_vlan_end,
160 pkt_offset=u"Dot1Q.vlan"
164 min_value=self.p2_src_start_ip,
165 max_value=self.p2_src_end_ip,
173 STLVmFlowVar(name=u"ip_dst",
174 min_value=self.p2_dst_start_ip,
175 max_value=self.p2_dst_end_ip,
189 return base_pkt_a, base_pkt_b, vm1, vm2
193 """Register this traffic profile to T-rex.
195 Do not change this function.
197 :returns: Traffic streams.
200 return TrafficStreams()