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Diffstat (limited to 'resources/traffic_profiles/trex/trex-sl-ethip4vxlan-ip4src1udpsrcrnd.py')
| -rwxr-xr-x | resources/traffic_profiles/trex/trex-sl-ethip4vxlan-ip4src1udpsrcrnd.py | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/resources/traffic_profiles/trex/trex-sl-ethip4vxlan-ip4src1udpsrcrnd.py b/resources/traffic_profiles/trex/trex-sl-ethip4vxlan-ip4src1udpsrcrnd.py new file mode 100755 index 0000000000..caf56651fb --- /dev/null +++ b/resources/traffic_profiles/trex/trex-sl-ethip4vxlan-ip4src1udpsrcrnd.py @@ -0,0 +1,148 @@ +# 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 + - Source UDP port: random([1024-65535]) + - Destination UDP port: 4789 + - VXLAN VNI: 0 + - Payload source MAC address: 00:aa:aa:00:00:[00..ff] + - Payload source IP address: 10.0.0.2 + - Payload destination MAC address: 00:bb:bb:00:00:[00..ff] + - 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 + - Source UDP port: random([1024-65535]) + - Destination UDP port: 4789 + - VXLAN VNI: 0 + - Payload source MAC address: 00:bb:bb:00:00:[00..ff] + - Payload source IP address: 10.0.0.1 + - Payload destination MAC address: 00:aa:aa:00:00:[00..ff] + - 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__() + + self.nf_chains = 1 + + def define_packets(self): + """Defines the packets to be sent from the traffic generator. + + Packet definition: | ETH | IP | VXLAN | 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=1024, dport=4789)/ + VXLAN(vni=0)/ + Ether(src='00:aa:aa:00:00:00', dst='00:bb:bb:00:00:00')/ + IP(src='10.0.0.2', dst='10.0.0.1', proto=61)) + + # Direction 1 --> 0 + base_pkt_b = ( + Ether()/ + IP(src='172.27.0.2', dst='172.26.0.1')/ + UDP(sport=1024, dport=4789)/ + VXLAN(vni=0)/ + Ether(src='00:bb:bb:00:00:00', dst='00:aa:aa:00:00:00')/ + IP(src='10.0.0.1', dst='10.0.0.2', proto=61)) + + # Direction 0 --> 1 + vm1 = STLScVmRaw([ + STLVmFlowVar(name='nf_id', size=1, op='inc', + min_value=0, max_value=self.nf_chains - 1), + STLVmFlowVar(name='in_mac', size=2, op='inc', + min_value=0, max_value=255), + STLVmFlowVar(name='in_ip', size=1, op='inc', + min_value=0, max_value=255), + STLVmFlowVar(name='src_port', size=2, op='random', + min_value=1024, max_value=65535), + STLVmWrFlowVar(fv_name='nf_id', pkt_offset=28), + STLVmWrFlowVar(fv_name='src_port', pkt_offset='UDP.sport'), + STLVmWrFlowVar(fv_name='nf_id', pkt_offset=48), + STLVmWrFlowVar(fv_name='in_mac', pkt_offset=54), + STLVmWrFlowVar(fv_name='in_mac', pkt_offset=60), + STLVmFixIpv4(offset = 'IP') + ]) + + # Direction 1 --> 0 + vm2 = STLScVmRaw([ + STLVmFlowVar(name='nf_id', size=1, op='inc', + min_value=0, max_value=self.nf_chains - 1), + STLVmFlowVar(name='in_mac', size=2, op='inc', + min_value=0, max_value=255), + STLVmFlowVar(name='in_ip', size=1, op='inc', + min_value=0, max_value=255), + STLVmFlowVar(name='src_port', size=2, op='random', + min_value=1024, max_value=65535), + STLVmWrFlowVar(fv_name='nf_id', pkt_offset=28), + STLVmWrFlowVar(fv_name='src_port', pkt_offset='UDP.sport'), + STLVmWrFlowVar(fv_name='nf_id', pkt_offset=48), + STLVmWrFlowVar(fv_name='in_mac', pkt_offset=54), + STLVmWrFlowVar(fv_name='in_mac', pkt_offset=60), + 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. + + :return: Traffic streams. + :rtype: Object + """ + return TrafficStreams() + |