+++ /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 / DOT1Q / IP / VXLAN / ETH / IP
- - Direction 0 --> 1:
- - VLAN range: 100
- - Source IP address: 172.17.[0..9].2
- - Destination IP address: 172.16.0.1
- - Source UDP port: random([1024..65535])
- - Destination UDP port: 4789
- - VXLAN VNI: [0..9]
- - Payload source MAC address: 00:aa:aa:00:00:[00..ff]
- - Payload source IP address: 10.0.[0..255].2
- - Payload destination MAC address: 00:bb:bb:00:00:[00..ff]
- - Payload destination IP address: 10.0.[0..255].1
- - Direction 1 --> 0:
- - VLAN range: 200
- - Source IP address: 172.27.[0..9].2
- - Destination IP address: 172.26.0.1
- - Source UDP port: random([1024..65535])
- - Destination UDP port: 4789
- - VXLAN VNI: [0..9]
- - Payload source MAC address: 00:bb:bb:00:00:[00..ff]
- - Payload source IP address: 10.0.[0..255].1
- - Payload destination MAC address: 00:aa:aa:00:00:[00..ff]
- - Payload destination IP address: 10.0.[0..255].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 = 10
-
- def define_packets(self):
- """Defines the packets to be sent from the traffic generator.
-
- Packet definition: | ETH | DOT1Q | IP | VXLAN | ETH | IP
-
- :returns: Packets to be sent from the traffic generator.
- :rtype: tuple
- """
-
- # Direction 0 --> 1
- base_pkt_a = (
- Ether()/
- Dot1Q(
- vlan=100
- ) /
- 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()/
- Dot1Q(
- vlan=200
- ) /
- 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=32
- ),
- STLVmWrFlowVar(
- fv_name=u"src_port",
- pkt_offset=u"UDP.sport"
- ),
- STLVmWrFlowVar(
- fv_name=u"nf_id",
- pkt_offset=52
- ),
- STLVmWrFlowVar(
- fv_name=u"in_mac",
- pkt_offset=58
- ),
- STLVmWrFlowVar(
- fv_name=u"in_mac",
- pkt_offset=64
- ),
- STLVmWrFlowVar(
- fv_name=u"in_ip",
- pkt_offset=82
- ),
- STLVmWrFlowVar(
- fv_name=u"in_ip",
- pkt_offset=86
- ),
- 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=32
- ),
- STLVmWrFlowVar(
- fv_name=u"src_port",
- pkt_offset=u"UDP.sport"
- ),
- STLVmWrFlowVar(
- fv_name=u"nf_id",
- pkt_offset=52
- ),
- STLVmWrFlowVar(
- fv_name=u"in_mac",
- pkt_offset=58
- ),
- STLVmWrFlowVar(
- fv_name=u"in_mac",
- pkt_offset=64
- ),
- STLVmWrFlowVar(
- fv_name=u"in_ip",
- pkt_offset=82
- ),
- STLVmWrFlowVar(
- fv_name=u"in_ip",
- pkt_offset=86
- ),
- 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()
-
Code Review / csit.git / blobdiff