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authorPeter Mikus <pmikus@cisco.com>2019-01-14 15:39:15 +0000
committerPeter Mikus <pmikus@cisco.com>2019-01-21 06:49:10 +0000
commit88e6c1f979f530397a0743e4300d42faf9b538f5 (patch)
tree143b5428f4415771cc61d674e43b0e10974af9b0 /resources/traffic_profiles/trex/trex-sl-2n3n-ethip4-ip4src254-6c1n.py
parent0e1682e5580ea16597558f2c8ae5892072e1bd22 (diff)
CSIT-1390 Implement multichain configuration for l2bd with vhost/l3fwd.
Change-Id: I36ab0bc7c9eada4c3f7bb5cb8f53de7d267ff910 Signed-off-by: Peter Mikus <pmikus@cisco.com>
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+# 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 = 6
+ self.nf_nodes = 1
+
+ # 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()