+++ /dev/null
-# Copyright (c) 2020 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 / IP /
- - Direction 0 --> 1:
- - Destination MAC address: 52:54:00:00:nf_id:01
- - Source IP address range: 10.10.10.1 - 10.10.10.254
- - Destination IP address range: 20.20.20.1
- - Direction 1 --> 0:
- - Destination MAC address: 52:54:00:00:nf_id:02
- - Source IP address range: 20.20.20.1 - 20.20.20.254
- - Destination IP address range: 10.10.10.1
-"""
-
-from trex.stl.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__()
-
- # Service density parameters.
- self.nf_chains = 2
- self.nf_nodes = 6
-
- # MACs used in packet headers.
- self.p1_dst_start_mac = u"52:54:00:00:00:01"
- self.p2_dst_start_mac = u"52:54:00:00:00:02"
-
- # IPs used in packet headers.
- self.p1_src_start_ip = u"10.10.10.1"
- self.p1_src_end_ip = u"10.10.10.254"
- self.p1_dst_start_ip = u"20.20.20.1"
-
- self.p2_src_start_ip = u"20.20.20.1"
- self.p2_src_end_ip = u"20.20.20.254"
- self.p2_dst_start_ip = u"10.10.10.1"
-
- def define_packets(self):
- """Defines the packets to be sent from the traffic generator.
-
- Packet definition: | ETH | IP |
-
- :returns: Packets to be sent from the traffic generator.
- :rtype: tuple
- """
-
- # Direction 0 --> 1
- base_pkt_a = (
- Ether(
- dst=self.p1_dst_start_mac
- ) /
- IP(
- src=self.p1_src_start_ip,
- dst=self.p1_dst_start_ip,
- proto=61
- )
- )
- # Direction 1 --> 0
- base_pkt_b = (
- Ether(
- dst=self.p2_dst_start_mac
- ) /
- IP(
- src=self.p2_src_start_ip,
- dst=self.p2_dst_start_ip,
- proto=61
- )
- )
-
- # Direction 0 --> 1
- vm1 = STLScVmRaw(
- [
- STLVmFlowVar(
- name=u"mac_dst",
- min_value=1,
- max_value=self.nf_chains*self.nf_nodes,
- size=1,
- step=self.nf_nodes,
- op=u"inc"
- ),
- STLVmWrFlowVar(
- fv_name=u"mac_dst",
- pkt_offset=4
- ),
- STLVmFlowVar(
- name=u"src",
- min_value=self.p1_src_start_ip,
- max_value=self.p1_src_end_ip,
- size=4,
- op=u"inc"
- ),
- STLVmWrFlowVar(
- fv_name=u"src",
- pkt_offset=u"IP.src"
- ),
- STLVmFixIpv4(
- offset=u"IP"
- )
- ]
- )
- # Direction 1 --> 0
- vm2 = STLScVmRaw(
- [
- STLVmFlowVar(
- name=u"mac_dst",
- min_value=self.nf_nodes,
- max_value=self.nf_chains*self.nf_nodes,
- size=1,
- step=self.nf_nodes,
- op=u"inc"
- ),
- STLVmWrFlowVar(
- fv_name=u"mac_dst",
- pkt_offset=4
- ),
- STLVmFlowVar(
- name=u"src",
- min_value=self.p2_src_start_ip,
- max_value=self.p2_src_end_ip,
- size=4,
- op=u"inc"
- ),
- STLVmWrFlowVar(
- fv_name=u"src",
- pkt_offset=u"IP.src"
- ),
- STLVmFixIpv4(
- offset=u"IP"
- )
- ]
- )
-
- 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()
Code Review / csit.git / blobdiff