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Diffstat (limited to 'resources/traffic_profiles/trex/trex-sl-2n3n-ethip4-ip4src254-4c6n.py')
| -rw-r--r-- | resources/traffic_profiles/trex/trex-sl-2n3n-ethip4-ip4src254-4c6n.py | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/resources/traffic_profiles/trex/trex-sl-2n3n-ethip4-ip4src254-4c6n.py b/resources/traffic_profiles/trex/trex-sl-2n3n-ethip4-ip4src254-4c6n.py new file mode 100644 index 0000000000..913bbd3188 --- /dev/null +++ b/resources/traffic_profiles/trex/trex-sl-2n3n-ethip4-ip4src254-4c6n.py @@ -0,0 +1,114 @@ +# 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 / + - Direction 0 --> 1: + - Destination MAC address: 52:54:00:00:nf_id:01 + - Source IP address range: 10.10.10.1 - 10.10.10.254 + - Destination IP address range: 20.20.20.1 + - Direction 1 --> 0: + - Destination MAC address: 52:54:00:00:nf_id:02 + - Source IP address range: 20.20.20.1 - 20.20.20.254 + - Destination IP address range: 10.10.10.1 +""" + +from trex_stl_lib.api import * +from profile_trex_stateless_base_class import TrafficStreamsBaseClass + + +class TrafficStreams(TrafficStreamsBaseClass): + """Stream profile.""" + + def __init__(self): + """Initialization and setting of streams' parameters.""" + + super(TrafficStreamsBaseClass, self).__init__() + + # Service density parameters. + self.nf_chains = 4 + self.nf_nodes = 6 + + # MACs used in packet headers. + self.p1_dst_start_mac = '52:54:00:00:00:01' + self.p2_dst_start_mac = '52:54:00:00:00:02' + + # IPs used in packet headers. + self.p1_src_start_ip = '10.10.10.1' + self.p1_src_end_ip = '10.10.10.254' + self.p1_dst_start_ip = '20.20.20.1' + + self.p2_src_start_ip = '20.20.20.1' + self.p2_src_end_ip = '20.20.20.254' + self.p2_dst_start_ip = '10.10.10.1' + + 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(dst=self.p1_dst_start_mac) / + IP(src=self.p1_src_start_ip, + dst=self.p1_dst_start_ip, + proto=61)) + # Direction 1 --> 0 + base_pkt_b = (Ether(dst=self.p2_dst_start_mac) / + IP(src=self.p2_src_start_ip, + dst=self.p2_dst_start_ip, + proto=61)) + + # Direction 0 --> 1 + vm1 = STLScVmRaw([STLVmFlowVar(name="mac_dst", + min_value=1, + max_value=self.nf_chains*self.nf_nodes, + size=1, step=self.nf_nodes, op="inc"), + STLVmWrFlowVar(fv_name="mac_dst", pkt_offset=4), + STLVmFlowVar(name="src", + min_value=self.p1_src_start_ip, + max_value=self.p1_src_end_ip, + size=4, op="inc"), + STLVmWrFlowVar(fv_name="src", pkt_offset="IP.src"), + STLVmFixIpv4(offset="IP")]) + # Direction 1 --> 0 + vm2 = STLScVmRaw([STLVmFlowVar(name="mac_dst", + min_value=self.nf_nodes, + max_value=self.nf_chains*self.nf_nodes, + size=1, step=self.nf_nodes, op="inc"), + STLVmWrFlowVar(fv_name="mac_dst", pkt_offset=4), + STLVmFlowVar(name="src", + min_value=self.p2_src_start_ip, + max_value=self.p2_src_end_ip, + size=4, op="inc"), + STLVmWrFlowVar(fv_name="src", pkt_offset="IP.src"), + 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() |