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# 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.InterfaceUtil
| 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 | ${framesize} | 3-node-xconnect
| ...           | fail_on_loss=${False}
| ...           | AND | Remove startup configuration of VPP from all DUTs
| ...           | AND | Show vpp trace dump on all DUTs
| Documentation | *RFC2544: Pkt throughput L2XC 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 cross connect.
| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with L2 cross-
| ... | connect. DUT1 and DUT2 tested with 2p10GE NIC X520 Niantic 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 L2XC - 1thread 1core 1rxq
| | [Documentation]
| | ... | [Cfg] DUT runs L2XC 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 10GE linerate, 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 xconnect initialized in a 3-node circular topology
| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
| | ...                                       | ${binary_max} | 3-node-xconnect
| | ...                                       | ${min_rate} | ${max_rate}
| | ...                                       | ${threshold}

| TC03: 1518B NDR binary search - DUT L2XC - 1thread 1core 1rxq
| | [Documentation]
| | ... | [Cfg] DUT runs L2XC 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 10GE linerate, 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 xconnect initialized in a 3-node circular topology
| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
| | ...                                       | ${binary_max} | 3-node-xconnect
| | ...                                       | ${min_rate} | ${max_rate}
| | ...                                       | ${threshold}

| TC07: 64B NDR binary search - DUT L2XC - 2threads 2cores 1rxq
| | [Documentation]
| | ... | [Cfg] DUT runs L2XC 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 10GE linerate, 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 xconnect initialized in a 3-node circular topology
| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
| | ...                                       | ${binary_max} | 3-node-xconnect
| | ...                                       | ${min_rate} | ${max_rate}
| | ...                                       | ${threshold}

| TC09: 1518B NDR binary search - DUT L2XC - 2threads 2cores 1rxq
| | [Documentation]
| | ... | [Cfg] DUT runs L2XC 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 10GE linerate, 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 xconnect initialized in a 3-node circular topology
| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
| | ...                                       | ${binary_max} | 3-node-xconnect
| | ...                                       | ${min_rate} | ${max_rate}
| | ...                                       | ${threshold}

| TC13: 64B NDR binary search - DUT L2XC - 4threads 4cores 2rxq
| | [Documentation]
| | ... | [Cfg] DUT runs L2XC 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 10GE linerate, 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 xconnect initialized in a 3-node circular topology
| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
| | ...                                       | ${binary_max} | 3-node-xconnect
| | ...                                       | ${min_rate} | ${max_rate}
| | ...                                       | ${threshold}

| TC15: 1518B NDR binary search - DUT L2XC - 4threads 4cores 2rxq
| | [Documentation]
| | ... | [Cfg] DUT runs L2XC 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 10GE linerate, 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 xconnect initialized in a 3-node circular topology
| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
| | ...                                       | ${binary_max} | 3-node-xconnect
| | ...                                       | ${min_rate} | ${max_rate}
| | ...                                       | ${threshold}

| TC19: IMIX_v4_1 NDR binary search - DUT L2XC - 1thread 1core 1rxq
| | [Documentation]
| | ... | [Cfg] DUT runs L2XC 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 10GE linerate, 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} | ${353.83333}
| | ${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 xconnect initialized in a 3-node circular topology
| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
| | ...                                       | ${binary_max} | 3-node-xconnect
| | ...                                       | ${min_rate} | ${max_rate}
| | ...                                       | ${threshold}

| TC20: IMIX_v4_1 NDR binary search - DUT L2XC - 2threads 2cores 1rxq
| | [Documentation]
| | ... | [Cfg] DUT runs L2XC 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 10GE linerate, 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} | ${353.83333}
| | ${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 xconnect initialized in a 3-node circular topology
| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
| | ...                                       | ${binary_max} | 3-node-xconnect
| | ...                                       | ${min_rate} | ${max_rate}
| | ...                                       | ${threshold}

| TC21: IMIX_v4_1 NDR binary search - DUT L2XC - 4threads 4cores 2rxq
| | [Documentation]
| | ... | [Cfg] DUT runs L2XC 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 10GE linerate, 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} | ${353.83333}
| | ${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 xconnect initialized in a 3-node circular topology
| | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
| | ...                                       | ${binary_max} | 3-node-xconnect
| | ...                                       | ${min_rate} | ${max_rate}
| | ...                                       | ${threshold}