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diff --git a/resources/traffic_profiles/trex/trex-sl-3n-dot1qip4-vlan10ip4src254ip4dst254.py b/resources/traffic_profiles/trex/trex-sl-3n-dot1qip4-vlan10ip4src254ip4dst254.py
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+# Copyright (c) 2018 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Stream profile for T-rex traffic generator.
+
+Stream profile:
+ - Two streams sent in directions 0 --> 1 and 1 --> 0 at the same time.
+ - Packet: ETH / DOT1Q / IP /
+ - Direction 0 --> 1:
+ - VLAN range: 1 - 10
+ - Source IP address range: 10.0.0.1 - 10.0.0.254
+ - Destination IP address range: 20.0.0.1 - 20.0.0.254
+ - Direction 1 --> 0:
+ - VLAN range: 1 - 10
+ - Source IP address range: 20.0.0.1 - 20.0.0.254
+ - Destination IP address range: 10.0.0.1 - 10.0.0.254
+"""
+
+from trex_stl_lib.api import *
+from profile_trex_stateless_base_class import TrafficStreamsBaseClass
+
+
+class TrafficStreams(TrafficStreamsBaseClass):
+ """Stream profile."""
+
+ def __init__(self):
+ """Initialization and setting of streams' parameters."""
+
+ super(TrafficStreamsBaseClass, self).__init__()
+
+ # VLAN IDs
+ self.vlans = 10
+
+ self.p1_vlan_start = 1
+ self.p1_vlan_end = self.p1_vlan_start + self.vlans - 1
+
+ self.p2_vlan_start = 1
+ self.p2_vlan_end = self.p2_vlan_start + self.vlans - 1
+
+
+ # IPs used in packet headers.
+ self.p1_src_start_ip = '10.0.0.1'
+ self.p1_src_end_ip = '10.0.0.254'
+
+ self.p1_dst_start_ip = '20.0.0.1'
+ self.p1_dst_end_ip = '20.0.0.254'
+
+ self.p2_src_start_ip = '20.0.0.1'
+ self.p2_src_end_ip = '20.0.0.254'
+
+ self.p2_dst_start_ip = '10.0.0.1'
+ self.p2_dst_end_ip = '10.0.0.254'
+
+ def define_packets(self):
+ """Defines the packets to be sent from the traffic generator.
+
+ Packet definition: | ETH | DOT1Q | IP |
+
+ :returns: Packets to be sent from the traffic generator.
+ :rtype: tuple
+ """
+
+ # Direction 0 --> 1
+ base_pkt_a = (Ether() /
+ Dot1Q(vlan=self.p1_vlan_start) /
+ IP(src=self.p1_src_start_ip,
+ dst=self.p1_dst_start_ip,
+ proto=61))
+ # Direction 1 --> 0
+ base_pkt_b = (Ether() /
+ Dot1Q(vlan=self.p2_vlan_start) /
+ IP(src=self.p2_src_start_ip,
+ dst=self.p2_dst_start_ip,
+ proto=61))
+
+ # Direction 0 --> 1
+ vm1 = STLScVmRaw([STLVmFlowVar(name="vlan",
+ min_value=self.p1_vlan_start,
+ max_value=self.p1_vlan_end,
+ size=2, op="inc"),
+ STLVmWrFlowVar(fv_name="vlan",
+ pkt_offset="Dot1Q.vlan"),
+ STLVmFlowVar(name="ip_src",
+ min_value=self.p1_src_start_ip,
+ max_value=self.p1_src_end_ip,
+ size=4, op="random"),
+ STLVmWrFlowVar(fv_name="ip_src", pkt_offset="IP.src"),
+ STLVmFlowVar(name="ip_dst",
+ min_value=self.p1_dst_start_ip,
+ max_value=self.p1_dst_end_ip,
+ size=4, op="random"),
+ STLVmWrFlowVar(fv_name="ip_dst", pkt_offset="IP.dst"),
+ STLVmFixIpv4(offset="IP")])
+ # Direction 1 --> 0
+ vm2 = STLScVmRaw([STLVmFlowVar(name="vlan",
+ min_value=self.p2_vlan_start,
+ max_value=self.p2_vlan_end,
+ size=2, op="inc"),
+ STLVmWrFlowVar(fv_name="vlan",
+ pkt_offset="Dot1Q.vlan"),
+ STLVmFlowVar(name="ip_src",
+ min_value=self.p2_src_start_ip,
+ max_value=self.p2_src_end_ip,
+ size=4, op="random"),
+ STLVmWrFlowVar(fv_name="ip_src", pkt_offset="IP.src"),
+ STLVmFlowVar(name="ip_dst",
+ min_value=self.p2_dst_start_ip,
+ max_value=self.p2_dst_end_ip,
+ size=4, op="random"),
+ STLVmWrFlowVar(fv_name="ip_dst", pkt_offset="IP.dst"),
+ STLVmFixIpv4(offset="IP")])
+
+ return base_pkt_a, base_pkt_b, vm1, vm2
+
+
+def register():
+ """Register this traffic profile to T-rex.
+
+ Do not change this function.
+
+ :returns: Traffic streams.
+ :rtype: Object
+ """
+ return TrafficStreams()