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diff --git a/resources/tools/t-rex/stream_profiles/trex-sl-3n-ethip6-ip6src253.py b/resources/tools/t-rex/stream_profiles/trex-sl-3n-ethip6-ip6src253.py
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--- a/resources/tools/t-rex/stream_profiles/trex-sl-3n-ethip6-ip6src253.py
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-# Copyright (c) 2017 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 / IPv6 /
- - Direction 0 --> 1:
- - Source IP address range: 2001:1::2 - 2001:1::FE
- - Destination IP address range: 2001:2::2
- - Direction 1 --> 0:
- - Source IP address range: 2001:2::2 - 2001:2::FE
- - Destination IP address range: 2001:1::2
-"""
-
-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__()
-
- # IPs used in packet headers.
- self.p1_src_start_ip = '2001:1::2'
- self.p1_src_end_ip = '2001:1::FE'
- self.p1_dst_start_ip = '2001:2::2'
-
- self.p2_src_start_ip = '2001:2::2'
- self.p2_src_end_ip = '2001:2::FE'
- self.p2_dst_start_ip = '2001:1::2'
-
- def define_packets(self):
- """Defines the packets to be sent from the traffic generator.
-
- Packet definition: | ETH | IPv6 |
-
- :returns: Packets to be sent from the traffic generator.
- :rtype: tuple
- """
-
- base_p1, count_p1 = self._get_start_end_ipv6(self.p1_src_start_ip,
- self.p1_src_end_ip)
- base_p2, count_p2 = self._get_start_end_ipv6(self.p2_src_start_ip,
- self.p2_src_end_ip)
-
- # Direction 0 --> 1
- base_pkt_a = Ether() / IPv6(src=self.p1_src_start_ip,
- dst=self.p1_dst_start_ip)
- # Direction 1 --> 0
- base_pkt_b = Ether() / IPv6(src=self.p2_src_start_ip,
- dst=self.p2_dst_start_ip)
-
- # Direction 0 --> 1
- vm1 = STLScVmRaw([STLVmFlowVar(name="ipv6_src",
- min_value=base_p1,
- max_value=base_p1 + count_p1,
- size=8, op="inc"),
- STLVmWrFlowVar(fv_name="ipv6_src",
- pkt_offset="IPv6.src",
- offset_fixup=8)],
- split_by_field="ipv6_src")
- # Direction 1 --> 0
- vm2 = STLScVmRaw([STLVmFlowVar(name="ipv6_src",
- min_value=base_p2,
- max_value=base_p2 + count_p2,
- size=8, op="inc"),
- STLVmWrFlowVar(fv_name="ipv6_src",
- pkt_offset="IPv6.src",
- offset_fixup=8)],
- split_by_field="ipv6_src")
-
- return base_pkt_a, base_pkt_b, vm1, vm2
-
-
-def register():
- """Register this traffic profile to T-rex.
-
- Do not change this function.
-
- :return: Traffic streams.
- :rtype: Object
- """
- return TrafficStreams()