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Diffstat (limited to 'GPL/traffic_profiles/trex/trex-stl-ethip4vxlan-ip4src1udpsrcrnd.py')
| -rw-r--r-- | GPL/traffic_profiles/trex/trex-stl-ethip4vxlan-ip4src1udpsrcrnd.py | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/GPL/traffic_profiles/trex/trex-stl-ethip4vxlan-ip4src1udpsrcrnd.py b/GPL/traffic_profiles/trex/trex-stl-ethip4vxlan-ip4src1udpsrcrnd.py new file mode 100644 index 0000000000..cd1a0a690c --- /dev/null +++ b/GPL/traffic_profiles/trex/trex-stl-ethip4vxlan-ip4src1udpsrcrnd.py @@ -0,0 +1,261 @@ +# 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 / 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(u"R"*24 + u"RRRIRRRRR") + + +class VXLAN(Packet): + name=u"VXLAN" + fields_desc = [ + FlagsField(u"flags", 0x08000000, 32, _VXLAN_FLAGS), + ThreeBytesField(u"vni", 0), + XByteField(u"reserved", 0x00) + ] + + def mysummary(self): + return self.sprintf(u"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=u"172.17.0.2", + dst=u"172.16.0.1" + )/ + UDP( + sport=1024, + dport=4789)/ + VXLAN( + vni=0 + )/ + Ether( + src=u"00:aa:aa:00:00:00", + dst=u"00:bb:bb:00:00:00" + )/ + IP( + src=u"10.0.0.2", + dst=u"10.0.0.1", + proto=61 + ) + ) + + # Direction 1 --> 0 + base_pkt_b = ( + Ether()/ + IP( + src=u"172.27.0.2", + dst=u"172.26.0.1" + )/ + UDP( + sport=1024, + dport=4789 + )/ + VXLAN( + vni=0 + )/ + Ether( + src=u"00:bb:bb:00:00:00", + dst=u"00:aa:aa:00:00:00" + )/ + IP( + src=u"10.0.0.1", + dst=u"10.0.0.2", + proto=61 + ) + ) + + # Direction 0 --> 1 + vm1 = STLScVmRaw( + [ + STLVmFlowVar( + name=u"nf_id", + size=1, + op=u"inc", + min_value=0, + max_value=self.nf_chains - 1 + ), + STLVmFlowVar( + name=u"in_mac", + size=2, + op=u"inc", + min_value=0, + max_value=255 + ), + STLVmFlowVar( + name=u"in_ip", + size=1, + op=u"inc", + min_value=0, + max_value=255 + ), + STLVmFlowVar( + name=u"src_port", + size=2, + op=u"random", + min_value=1024, + max_value=65535 + ), + STLVmWrFlowVar( + fv_name=u"nf_id", + pkt_offset=28 + ), + STLVmWrFlowVar( + fv_name=u"src_port", + pkt_offset=u"UDP.sport" + ), + STLVmWrFlowVar( + fv_name=u"nf_id", + pkt_offset=48 + ), + STLVmWrFlowVar( + fv_name=u"in_mac", + pkt_offset=54 + ), + STLVmWrFlowVar( + fv_name=u"in_mac", + pkt_offset=60 + ), + STLVmFixChecksumHw( + l3_offset="IP:{}".format(0), + l4_offset="UDP:{}".format(0), + l4_type=CTRexVmInsFixHwCs.L4_TYPE_UDP + ) + ] + ) + + # Direction 1 --> 0 + vm2 = STLScVmRaw( + [ + STLVmFlowVar( + name=u"nf_id", + size=1, + op=u"inc", + min_value=0, + max_value=self.nf_chains - 1 + ), + STLVmFlowVar( + name=u"in_mac", + size=2, op=u"inc", + min_value=0, + max_value=255 + ), + STLVmFlowVar( + name=u"in_ip", + size=1, op=u"inc", + min_value=0, + max_value=255 + ), + STLVmFlowVar( + name=u"src_port", + size=2, + op=u"random", + min_value=1024, + max_value=65535 + ), + STLVmWrFlowVar( + fv_name=u"nf_id", + pkt_offset=28 + ), + STLVmWrFlowVar( + fv_name=u"src_port", + pkt_offset=u"UDP.sport" + ), + STLVmWrFlowVar( + fv_name=u"nf_id", + pkt_offset=48 + ), + STLVmWrFlowVar( + fv_name=u"in_mac", + pkt_offset=54 + ), + STLVmWrFlowVar( + fv_name=u"in_mac", + pkt_offset=60 + ), + STLVmFixChecksumHw( + l3_offset="IP:{}".format(0), + l4_offset="UDP:{}".format(0), + l4_type=CTRexVmInsFixHwCs.L4_TYPE_UDP + ) + ] + ) + + 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() + |