--- /dev/null
+# Copyright (c) 2016 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.
+
+*** Settings ***
+| Resource | resources/libraries/robot/performance.robot
+| Library | resources.libraries.python.NodePath
+| Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | PERFTEST_LONG
+| ... | NIC_Intel-XL710
+| Suite Setup | 3-node Performance Suite Setup with DUT's NIC model
+| ... | L2 | Intel-XL710
+| Suite Teardown | 3-node Performance Suite Teardown
+| Test Setup | Setup all DUTs before test
+| Test Teardown | Run Keywords
+| ... | Run Keyword If Test Failed
+| ... | Traffic should pass with no loss | 10
+| ... | ${min_rate}pps | ${framesize} | 3-node-bridge
+| ... | fail_on_loss=${False}
+| ... | AND | Remove startup configuration of VPP from all DUTs
+| ... | AND | Show vpp trace dump on all DUTs
+| Documentation | *RFC2544: Pkt throughput L2BD test cases*
+| ...
+| ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology
+| ... | with single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 switching of IPv4.
+| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with L2 bridge-
+| ... | domain and MAC learning enabled. DUT1 and DUT2 tested with 2p40GE NIC
+| ... | XL710-DA2 by Intel.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop
+| ... | Rate) with zero packet loss tolerance or throughput PDR (Partial Drop
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage
+| ... | of packets transmitted. NDR and PDR are discovered for different
+| ... | Ethernet L2 frame sizes using either binary search or linear search
+| ... | algorithms with configured starting rate and final step that determines
+| ... | throughput measurement resolution. Test packets are generated by TG on
+| ... | links to DUTs. TG traffic profile contains two L3 flow-groups
+| ... | (flow-group per direction, 253 flows per flow-group) with all packets
+| ... | containing Ethernet header, IPv4 header with IP protocol=61 and static
+| ... | payload. MAC addresses are matching MAC addresses of the TG node
+| ... | interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+#XL710-DA2 bandwidth limit ~49Gbps/2=24.5Gbps
+| ${s_24.5G} | ${24500000000}
+#XL710-DA2 Mpps limit 37.5Mpps/2=18.75Mpps
+| ${s_18.75Mpps} | ${18750000}
+
+*** Test Cases ***
+| TC01: 64B NDR binary search - DUT L2BD - 1thread 1core 1rxq
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with 1 thread, 1 phy core, \
+| | ... | 1 receive queue per NIC port. [Ver] Find NDR for 64 Byte frames
+| | ... | using binary search start at 18.75Mpps rate, step 100kpps.
+| | [Tags] | 1_THREAD_NOHTT_RXQUEUES_1 | SINGLE_THREAD | NDR
+| | ${framesize}= | Set Variable | ${64}
+| | ${min_rate}= | Set Variable | ${100000}
+| | ${max_rate}= | Set Variable | ${s_18.75Mpps}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | Given Add '1' worker threads and rxqueues '1' in 3-node single-link topo
+| | And Add PCI devices to DUTs from 3-node single link topology
+| | And Add No Multi Seg to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | And L2 bridge domain initialized in a 3-node circular topology
+| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
+| | ... | ${binary_max} | 3-node-bridge
+| | ... | ${min_rate} | ${max_rate}
+| | ... | ${threshold}
+
+| TC03: 1518B NDR binary search - DUT L2BD - 1thread 1core 1rxq
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with 1 thread, 1 phy core, \
+| | ... | 1 receive queue per NIC port. [Ver] Find NDR for 1518 Byte frames
+| | ... | using binary search start at 24.5G rate, step 10kpps.
+| | [Tags] | 1_THREAD_NOHTT_RXQUEUES_1 | SINGLE_THREAD | NDR
+| | ${framesize}= | Set Variable | ${1518}
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_24.5G} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | Given Add '1' worker threads and rxqueues '1' in 3-node single-link topo
+| | And Add PCI devices to DUTs from 3-node single link topology
+| | And Add No Multi Seg to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | And L2 bridge domain initialized in a 3-node circular topology
+| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
+| | ... | ${binary_max} | 3-node-bridge
+| | ... | ${min_rate} | ${max_rate}
+| | ... | ${threshold}
+
+| TC07: 64B NDR binary search - DUT L2BD - 2threads 2cores 1rxq
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with 2 threads, 2 phy cores, \
+| | ... | 1 receive queue per NIC port. [Ver] Find NDR for 64 Byte frames
+| | ... | using binary search start at 18.75Mpps rate, step 100kpps.
+| | [Tags] | 2_THREAD_NOHTT_RXQUEUES_1 | MULTI_THREAD | NDR
+| | ${framesize}= | Set Variable | ${64}
+| | ${min_rate}= | Set Variable | ${100000}
+| | ${max_rate}= | Set Variable | ${s_18.75Mpps}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | Given Add '2' worker threads and rxqueues '1' in 3-node single-link topo
+| | And Add PCI devices to DUTs from 3-node single link topology
+| | And Add No Multi Seg to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | And L2 bridge domain initialized in a 3-node circular topology
+| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
+| | ... | ${binary_max} | 3-node-bridge
+| | ... | ${min_rate} | ${max_rate}
+| | ... | ${threshold}
+
+| TC09: 1518B NDR binary search - DUT L2BD - 2threads 2cores 1rxq
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with 2 threads, 2 phy cores, \
+| | ... | 1 receive queue per NIC port. [Ver] Find NDR for 1518 Byte frames
+| | ... | using binary search start at 24.5G rate, step 10kpps.
+| | [Tags] | 2_THREAD_NOHTT_RXQUEUES_1 | MULTI_THREAD | NDR | SKIP_PATCH
+| | ${framesize}= | Set Variable | ${1518}
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_24.5G} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | Given Add '2' worker threads and rxqueues '1' in 3-node single-link topo
+| | And Add PCI devices to DUTs from 3-node single link topology
+| | And Add No Multi Seg to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | And L2 bridge domain initialized in a 3-node circular topology
+| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
+| | ... | ${binary_max} | 3-node-bridge
+| | ... | ${min_rate} | ${max_rate}
+| | ... | ${threshold}
+
+| TC13: 64B NDR binary search - DUT L2BD - 4threads 4cores 2rxq
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with 4 threads, 4 phy cores, \
+| | ... | 2 receive queues per NIC port. [Ver] Find NDR for 64 Byte frames
+| | ... | using binary search start at 18.75Mpps rate, step 100kpps.
+| | [Tags] | 4_THREAD_NOHTT_RXQUEUES_2 | MULTI_THREAD | NDR
+| | ${framesize}= | Set Variable | ${64}
+| | ${min_rate}= | Set Variable | ${100000}
+| | ${max_rate}= | Set Variable | ${s_18.75Mpps}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | Given Add '4' worker threads and rxqueues '2' in 3-node single-link topo
+| | And Add PCI devices to DUTs from 3-node single link topology
+| | And Add No Multi Seg to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | And L2 bridge domain initialized in a 3-node circular topology
+| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
+| | ... | ${binary_max} | 3-node-bridge
+| | ... | ${min_rate} | ${max_rate}
+| | ... | ${threshold}
+
+| TC15: 1518B NDR binary search - DUT L2BD - 4threads 4cores 2rxq
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with 4 threads, 4 phy cores, \
+| | ... | 2 receive queues per NIC port. [Ver] Find NDR for 1518 Byte frames
+| | ... | using binary search start at 24.5G rate, step 10kpps.
+| | [Tags] | 4_THREAD_NOHTT_RXQUEUES_2 | MULTI_THREAD | NDR | SKIP_PATCH
+| | ${framesize}= | Set Variable | ${1518}
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_24.5G} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | Given Add '4' worker threads and rxqueues '2' in 3-node single-link topo
+| | And Add PCI devices to DUTs from 3-node single link topology
+| | And Add No Multi Seg to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | And L2 bridge domain initialized in a 3-node circular topology
+| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
+| | ... | ${binary_max} | 3-node-bridge
+| | ... | ${min_rate} | ${max_rate}
+| | ... | ${threshold}
+
+| TC19: IMIX_v4_1 NDR binary search - DUT L2BD - 1thread 1core 1rxq
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with 1 thread, 1 phy core, \
+| | ... | 1 receive queue per NIC port. [Ver] Find NDR for IMIX_v4_1 frame size
+| | ... | using binary search start at 24.5G rate, step 100kpps.
+| | ... | IMIX_v4_1 = (28x64B;16x570B;4x1518B)
+| | [Tags] | 1_THREAD_NOHTT_RXQUEUES_1 | SINGLE_THREAD | NDR
+| | ${framesize}= | Set Variable | IMIX_v4_1
+| | ${min_rate}= | Set Variable | ${100000}
+| | ${max_rate}= | Calculate pps | ${s_24.5G} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | Given Add '1' worker threads and rxqueues '1' in 3-node single-link topo
+| | And Add all PCI devices to all DUTs
+| | And Add No Multi Seg to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | And L2 bridge domain initialized in a 3-node circular topology
+| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
+| | ... | ${binary_max} | 3-node-bridge
+| | ... | ${min_rate} | ${max_rate}
+| | ... | ${threshold}
+
+| TC20: IMIX_v4_1 NDR binary search - DUT L2BD - 2thread 2core 1rxq
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with 2 thread, 2 phy core, \
+| | ... | 1 receive queue per NIC port. [Ver] Find NDR for IMIX_v4_1 frame size
+| | ... | using binary search start at 24.5G rate, step 100kpps.
+| | ... | IMIX_v4_1 = (28x64B;16x570B;4x1518B)
+| | [Tags] | 2_THREAD_NOHTT_RXQUEUES_1 | MULTI_THREAD | NDR | SKIP_PATCH
+| | ${framesize}= | Set Variable | IMIX_v4_1
+| | ${min_rate}= | Set Variable | ${100000}
+| | ${max_rate}= | Calculate pps | ${s_24.5G} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | Given Add '2' worker threads and rxqueues '1' in 3-node single-link topo
+| | And Add all PCI devices to all DUTs
+| | And Add No Multi Seg to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | And L2 bridge domain initialized in a 3-node circular topology
+| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
+| | ... | ${binary_max} | 3-node-bridge
+| | ... | ${min_rate} | ${max_rate}
+| | ... | ${threshold}
+
+| TC21: IMIX_v4_1 NDR binary search - DUT L2BD - 4thread 4core 2rxq
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with 4 thread, 4 phy core, \
+| | ... | 2 receive queue per NIC port. [Ver] Find NDR for IMIX_v4_1 frame size
+| | ... | using binary search start at 24.5G rate, step 100kpps.
+| | ... | IMIX_v4_1 = (28x64B;16x570B;4x1518B)
+| | [Tags] | 4_THREAD_NOHTT_RXQUEUES_2 | MULTI_THREAD | NDR | SKIP_PATCH
+| | ${framesize}= | Set Variable | IMIX_v4_1
+| | ${min_rate}= | Set Variable | ${100000}
+| | ${max_rate}= | Calculate pps | ${s_24.5G} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | Given Add '4' worker threads and rxqueues '2' in 3-node single-link topo
+| | And Add all PCI devices to all DUTs
+| | And Add No Multi Seg to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | And L2 bridge domain initialized in a 3-node circular topology
+| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
+| | ... | ${binary_max} | 3-node-bridge
+| | ... | ${min_rate} | ${max_rate}
+| | ... | ${threshold}
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