diff options
Diffstat (limited to 'resources/traffic_profiles/trex')
| -rw-r--r-- | resources/traffic_profiles/trex/trex-sl-ethip4-vxlansrc253.py | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/resources/traffic_profiles/trex/trex-sl-ethip4-vxlansrc253.py b/resources/traffic_profiles/trex/trex-sl-ethip4-vxlansrc253.py new file mode 100644 index 0000000000..1018c13c53 --- /dev/null +++ b/resources/traffic_profiles/trex/trex-sl-ethip4-vxlansrc253.py @@ -0,0 +1,134 @@ +# 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 / 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_lib.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() + |