+++ /dev/null
-# Copyright (c) 2019 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 / VXLAN / ETH / IP
- - Direction 0 --> 1:
- - Source IP address: 172.17.0.2
- - Destination IP address: 172.16.0.1
- - VXLAN VNI: 24
- - Payload source MAC address: 00:de:ad:00:00:00
- - Payload source IP address: 10.0.0.2
- - Payload destination MAC address: 00:de:ad:00:00:01
- - Payload destination IP address: 10.0.0.1
- - Direction 1 --> 0:
- - Source IP address: 172.27.0.2
- - Destination IP address: 172.26.0.1
- - VXLAN VNI: 24
- - Payload source MAC address: 00:de:ad:00:00:01
- - Payload source IP address: 10.0.0.1
- - Payload destination MAC address: 00:de:ad:00:00:00
- - Payload destination IP address: 10.0.0.2
-
-"""
-
-from trex.stl.api import *
-from profile_trex_stateless_base_class import TrafficStreamsBaseClass
-
-# RFC 7348 - Virtual eXtensible Local Area Network (VXLAN):
-# A Framework for Overlaying Virtualized Layer 2 Networks over Layer 3 Networks
-# http://tools.ietf.org/html/rfc7348
-_VXLAN_FLAGS = list('R'*24 + "RRRIRRRRR")
-
-
-class VXLAN(Packet):
- name = "VXLAN"
- fields_desc = [FlagsField("flags", 0x08000000, 32, _VXLAN_FLAGS),
- ThreeBytesField("vni", 0),
- XByteField("reserved", 0x00)]
-
- def mysummary(self):
- return self.sprintf("VXLAN (vni=%VXLAN.vni%)")
-
-
-bind_layers(UDP, VXLAN, dport=4789)
-bind_layers(VXLAN, Ether)
-
-
-class TrafficStreams(TrafficStreamsBaseClass):
- """Stream profile."""
-
- def __init__(self):
- """Initialization and setting of streams' parameters."""
-
- super(TrafficStreamsBaseClass, self).__init__()
-
- 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()/
- IP(src="172.17.0.2",dst="172.16.0.1")/
- UDP(sport=1337,dport=4789)/
- VXLAN(vni=24)/
- Ether(src="00:de:ad:00:00:00",dst="00:de:ad:00:00:01")/
- IP(src="10.0.0.2",dst="10.0.0.1"))
-
- # Direction 1 --> 0
- base_pkt_b = (
- Ether()/
- IP(src="172.27.0.2",dst="172.26.0.1")/
- UDP(sport=1337,dport=4789)/
- VXLAN(vni=24)/
- Ether(src="00:de:ad:00:00:01",dst="00:de:ad:00:00:00")/
- IP(src="10.0.0.1",dst="10.0.0.2"))
-
-
- # Direction 0 --> 1
- vm1 = STLScVmRaw([
- STLVmFlowVar(name="src", min_value="172.17.0.2" ,
- max_value="172.17.0.254", size=4, op="inc"),
- STLVmFlowVar(name="src_mac", min_value=2 , max_value=3100,
- size=2, op="inc"),
- STLVmWrFlowVar(fv_name="src", pkt_offset="IP.src"),
- STLVmWrFlowVar(fv_name="src_mac", pkt_offset=60),
- STLVmFixIpv4(offset = "IP")
- ])
-
- # Direction 1 --> 0
- vm2 = STLScVmRaw([
- STLVmFlowVar(name="src", min_value="172.27.0.2" ,
- max_value="172.27.0.254", size=4, op="inc"),
- STLVmFlowVar(name="src_mac", min_value=2 , max_value=3100,
- size=2, op="inc"),
- STLVmWrFlowVar(fv_name="src", pkt_offset="IP.src"),
- STLVmWrFlowVar(fv_name="src_mac", pkt_offset=60),
- STLVmFixIpv4(offset = "IP")
- ])
-
- # for now there's a single VXLAN tunnel per direction, the above
- # variations are for reference only
- vm1, vm2 = [], []
-
- 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