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authorJan Gelety <jgelety@cisco.com>2020-08-08 07:04:20 +0200
committerJan Gelety <jgelety@cisco.com>2020-08-20 08:43:48 +0000
commit8c063c40140e7d63f2d2fe2eb95cb90ca42cae60 (patch)
tree0ae9a29d23ae5b98fe1cde047df5c04f607cfe50 /GPL/traffic_profiles/trex/trex-stl-2n3n-ethip4-ip4src254-1c8n.py
parentf3b1688c46df79e24cf4532b85463b85e7aa77a6 (diff)
Framework: use 'stl' in trex stateless profile names
Change-Id: I74641cc89d2f25d50b67d51bf2567082b420aabb Signed-off-by: Jan Gelety <jgelety@cisco.com>
Diffstat (limited to 'GPL/traffic_profiles/trex/trex-stl-2n3n-ethip4-ip4src254-1c8n.py')
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diff --git a/GPL/traffic_profiles/trex/trex-stl-2n3n-ethip4-ip4src254-1c8n.py b/GPL/traffic_profiles/trex/trex-stl-2n3n-ethip4-ip4src254-1c8n.py
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+++ b/GPL/traffic_profiles/trex/trex-stl-2n3n-ethip4-ip4src254-1c8n.py
@@ -0,0 +1,164 @@
+# 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 /
+ - 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.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 = 1
+ self.nf_nodes = 8
+
+ # MACs used in packet headers.
+ self.p1_dst_start_mac = u"52:54:00:00:00:01"
+ self.p2_dst_start_mac = u"52:54:00:00:00:02"
+
+ # IPs used in packet headers.
+ self.p1_src_start_ip = u"10.10.10.1"
+ self.p1_src_end_ip = u"10.10.10.254"
+ self.p1_dst_start_ip = u"20.20.20.1"
+
+ self.p2_src_start_ip = u"20.20.20.1"
+ self.p2_src_end_ip = u"20.20.20.254"
+ self.p2_dst_start_ip = u"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=u"mac_dst",
+ min_value=1,
+ max_value=self.nf_chains*self.nf_nodes,
+ size=1,
+ step=self.nf_nodes,
+ op=u"inc"
+ ),
+ STLVmWrFlowVar(
+ fv_name=u"mac_dst",
+ pkt_offset=4
+ ),
+ STLVmFlowVar(
+ name=u"src",
+ min_value=self.p1_src_start_ip,
+ max_value=self.p1_src_end_ip,
+ size=4,
+ op=u"inc"
+ ),
+ STLVmWrFlowVar(
+ fv_name=u"src",
+ pkt_offset=u"IP.src"
+ ),
+ STLVmFixIpv4(
+ offset=u"IP"
+ )
+ ]
+ )
+ # Direction 1 --> 0
+ vm2 = STLScVmRaw(
+ [
+ STLVmFlowVar(
+ name=u"mac_dst",
+ min_value=self.nf_nodes,
+ max_value=self.nf_chains*self.nf_nodes,
+ size=1,
+ step=self.nf_nodes,
+ op=u"inc"
+ ),
+ STLVmWrFlowVar(
+ fv_name=u"mac_dst",
+ pkt_offset=4
+ ),
+ STLVmFlowVar(
+ name=u"src",
+ min_value=self.p2_src_start_ip,
+ max_value=self.p2_src_end_ip,
+ size=4,
+ op=u"inc"
+ ),
+ STLVmWrFlowVar(
+ fv_name=u"src",
+ pkt_offset=u"IP.src"
+ ),
+ STLVmFixIpv4(
+ offset=u"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()