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+# Copyright (c) 2017 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
+| ...
+| Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDRDISC
+| ... | NIC_Cisco-VIC-1227 | ETH | L2BDMACLRN | BASE
+| ...
+| Suite Setup | 3-node Performance Suite Setup with DUT's NIC model
+| ... | L2 | Cisco-VIC-1227
+| Suite Teardown | 3-node Performance Suite Teardown
+| ...
+| Test Setup | Performance test setup
+| Test Teardown | Performance test teardown | ${min_rate}pps | ${framesize}
+| ... | 3-node-bridge
+| ...
+| 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 2p10GE NIC
+| ... | Cisco-VIC-1227.
+| ... | *[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 ***
+# Cisco-VIC-1227 bandwidth limit
+| ${s_limit} | ${10000000000}
+
+*** Keywords ***
+| L2 Bridge Domain NDR Binary Search
+| | [Arguments] | ${framesize} | ${min_rate} | ${wt} | ${rxq}
+| | # Test Variables required for test teardown
+| | Set Test Variable | ${framesize}
+| | Set Test Variable | ${min_rate}
+| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | Set Test Documentation | [Cfg] DUT runs L2BD switching config with ${wt}\
+| | Set Test Documentation | thread, ${wt} phy core, ${rxq}\ | append=True
+| | Set Test Documentation | receive queue per NIC port. | append=True
+| | Set Test Documentation | [Ver] Find NDR for ${framesize} Byte\ | append=True
+| | Set Test Documentation | frames using binary search start at\ | append=True
+| | Set Test Documentation | 10GE linerate, step ${threshold}pps. | append=True
+| | Add '${wt}' worker threads and rxqueues '${rxq}' in 3-node single-link topo
+| | Add PCI devices to DUTs from 3-node single link topology
+| | Run Keyword If | ${framesize} < ${1522} | Add No Multi Seg to all DUTs
+| | Apply startup configuration on all VPP DUTs
+| | L2 bridge domain initialized in a 3-node circular topology
+| | Find NDR using binary search and pps
+| | ... | ${framesize} | ${binary_min} | ${binary_max} | 3-node-bridge
+| | ... | ${min_rate} | ${max_rate} | ${threshold}
+
+| L2 Bridge Domain PDR Binary Search
+| | [Arguments] | ${framesize} | ${min_rate} | ${wt} | ${rxq}
+| | # Test Variables required for test teardown
+| | Set Test Variable | ${framesize}
+| | Set Test Variable | ${min_rate}
+| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | Set Test Documentation | [Cfg] DUT runs L2BD switching config with ${wt}\
+| | Set Test Documentation | thread, ${wt} phy core, ${rxq}\ | append=True
+| | Set Test Documentation | receive queue per NIC port. | append=True
+| | Set Test Documentation | [Ver] Find PDR for ${framesize} Byte\ | append=True
+| | Set Test Documentation | frames using binary search start at\ | append=True
+| | Set Test Documentation | 10GE linerate, step ${threshold}pps, | append=True
+| | Set Test Documentation | LT=${perf_pdr_loss_acceptance} | append=True
+| | Set Test Documentation | ${perf_pdr_loss_acceptance_type}. | append=True
+| | Add '${wt}' worker threads and rxqueues '${rxq}' in 3-node single-link topo
+| | Add PCI devices to DUTs from 3-node single link topology
+| | Run Keyword If | ${framesize} < ${1522} | Add No Multi Seg to all DUTs
+| | Apply startup configuration on all VPP DUTs
+| | L2 bridge domain initialized in a 3-node circular topology
+| | Find PDR using binary search and pps
+| | ... | ${framesize} | ${binary_min} | ${binary_max} | 3-node-bridge
+| | ... | ${min_rate} | ${max_rate} | ${threshold}
+| | ... | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}
+
+*** Test Cases ***
+| tc01-64B-1t1c-eth-l2bdbasemaclrn-ndrdisc
+| | ... | ${64} | ${100000} | 1 | 1
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with 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] | 1T1C | STHREAD | NDRDISC
+| | [Template] | L2 Bridge Domain NDR Binary Search
+
+| tc02-64B-1t1c-eth-l2bdbasemaclrn-pdrdisc
+| | ... | ${64} | ${100000} | 1 | 1
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with with\
+| | ... | 1 thread, 1 phy core, 1 receive queue per NIC port.
+| | ... | [Ver] Find PDR for 64 Byte frames using binary search start at 10GE\
+| | ... | linerate, step 100kpps, LT=0.5%.
+| | [Tags] | 1T1C | STHREAD | PDRDISC | SKIP_PATCH
+| | [Template] | L2 Bridge Domain PDR Binary Search
+
+| tc03-1518B-1t1c-eth-l2bdbasemaclrn-ndrdisc
+| | ... | ${1518} | ${10000} | 1 | 1
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with 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] | 1T1C | STHREAD | NDRDISC
+| | [Template] | L2 Bridge Domain NDR Binary Search
+
+| tc04-1518B-1t1c-eth-l2bdbasemaclrn-pdrdisc
+| | ... | ${1518} | ${10000} | 1 | 1
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with with\
+| | ... | 1 thread, 1 phy core, 1 receive queue per NIC port.
+| | ... | [Ver] Find PDR for 1518 Byte frames using binary search start at 10GE\
+| | ... | linerate, step 10kpps, LT=0.5%.
+| | [Tags] | 1T1C | STHREAD | PDRDISC | SKIP_PATCH
+| | [Template] | L2 Bridge Domain PDR Binary Search
+
+| tc05-9000B-1t1c-eth-l2bdbasemaclrn-ndrdisc
+| | ... | ${9000} | ${10000} | 1 | 1
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with with\
+| | ... | 1 thread, 1 phy core, 1 receive queue per NIC port.
+| | ... | [Ver] Find NDR for 9000 Byte frames using binary search start at 10GE\
+| | ... | linerate, step 10kpps.
+| | [Tags] | 1T1C | STHREAD | NDRDISC
+| | [Template] | L2 Bridge Domain NDR Binary Search
+
+| tc06-9000B-1t1c-eth-l2bdbasemaclrn-pdrdisc
+| | ... | ${9000} | ${10000} | 1 | 1
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with with\
+| | ... | 1 thread, 1 phy core, 1 receive queue per NIC port.
+| | ... | [Ver] Find PDR for 9000 Byte frames using binary search start at 10GE\
+| | ... | linerate, step 10kpps, LT=0.5%.
+| | [Tags] | 1T1C | STHREAD | PDRDISC | SKIP_PATCH
+| | [Template] | L2 Bridge Domain PDR Binary Search
+
+| tc07-64B-2t2c-eth-l2bdbasemaclrn-ndrdisc
+| | ... | ${64} | ${100000} | 2 | 1
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with 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] | 2T2C | MTHREAD | NDRDISC
+| | [Template] | L2 Bridge Domain NDR Binary Search
+
+| tc08-64B-2t2c-eth-l2bdbasemaclrn-pdrdisc
+| | ... | ${64} | ${100000} | 2 | 1
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with with\
+| | ... | 2 threads, 2 phy cores, 1 receive queue per NIC port.
+| | ... | [Ver] Find PDR for 64 Byte frames using binary search start at 10GE\
+| | ... | linerate, step 100kpps, LT=0.5%.
+| | [Tags] | 2T2C | MTHREAD | PDRDISC | SKIP_PATCH
+| | [Template] | L2 Bridge Domain PDR Binary Search
+
+| tc09-1518B-2t2c-eth-l2bdbasemaclrn-ndrdisc
+| | ... | ${1518} | ${10000} | 2 | 1
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with 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] | 2T2C | MTHREAD | NDRDISC | SKIP_PATCH
+| | [Template] | L2 Bridge Domain NDR Binary Search
+
+| tc10-1518B-2t2c-eth-l2bdbasemaclrn-pdrdisc
+| | ... | ${1518} | ${10000} | 2 | 1
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with with\
+| | ... | 2 threads, 2 phy cores, 1 receive queue per NIC port.
+| | ... | [Ver] Find PDR for 1518 Byte frames using binary search start at 10GE\
+| | ... | linerate, step 10kpps, LT=0.5%.
+| | [Tags] | 2T2C | MTHREAD | PDRDISC | SKIP_PATCH
+| | [Template] | L2 Bridge Domain PDR Binary Search
+
+| tc11-9000B-2t2c-eth-l2bdbasemaclrn-ndrdisc
+| | ... | ${9000} | ${10000} | 2 | 1
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with with\
+| | ... | 2 threads, 2 phy cores, 1 receive queue per NIC port.
+| | ... | [Ver] Find NDR for 9000 Byte frames using binary search start at 10GE\
+| | ... | linerate, step 10kpps.
+| | [Tags] | 2T2C | MTHREAD | NDRDISC | SKIP_PATCH
+| | [Template] | L2 Bridge Domain NDR Binary Search
+
+| tc12-9000B-2t2c-eth-l2bdbasemaclrn-pdrdisc
+| | ... | ${9000} | ${10000} | 2 | 1
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with with\
+| | ... | 2 threads, 2 phy cores, 1 receive queue per NIC port.
+| | ... | [Ver] Find PDR for 9000 Byte frames using binary search start at 10GE\
+| | ... | linerate, step 10kpps, LT=0.5%.
+| | [Tags] | 2T2C | MTHREAD | PDRDISC | SKIP_PATCH
+| | [Template] | L2 Bridge Domain PDR Binary Search
+
+| tc13-64B-4t4c-eth-l2bdbasemaclrn-ndrdisc
+| | ... | ${64} | ${100000} | 4 | 2
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with 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] | 4T4C | MTHREAD | NDRDISC
+| | [Template] | L2 Bridge Domain NDR Binary Search
+
+| tc14-64B-4t4c-eth-l2bdbasemaclrn-pdrdisc
+| | ... | ${64} | ${100000} | 4 | 2
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with with\
+| | ... | 4 threads, 4 phy cores, 2 receive queues per NIC port.
+| | ... | [Ver] Find PDR for 64 Byte frames using binary search start at 10GE\
+| | ... | linerate, step 100kpps, LT=0.5%.
+| | [Tags] | 4T4C | MTHREAD | PDRDISC | SKIP_PATCH
+| | [Template] | L2 Bridge Domain PDR Binary Search
+
+| tc15-1518B-4t4c-eth-l2bdbasemaclrn-ndrdisc
+| | ... | ${1518} | ${10000} | 4 | 2
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with 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] | 4T4C | MTHREAD | NDRDISC | SKIP_PATCH
+| | [Template] | L2 Bridge Domain NDR Binary Search
+
+| tc16-1518B-4t4c-eth-l2bdbasemaclrn-pdrdisc
+| | ... | ${1518} | ${10000} | 4 | 2
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with with\
+| | ... | 4 threads, 4 phy cores, 2 receive queues per NIC port.
+| | ... | [Ver] Find PDR for 1518 Byte frames using binary search start at 10GE\
+| | ... | linerate, step 10kpps, LT=0.5%.
+| | [Tags] | 4T4C | MTHREAD | PDRDISC | SKIP_PATCH
+| | [Template] | L2 Bridge Domain PDR Binary Search
+
+| tc17-9000B-4t4c-eth-l2bdbasemaclrn-ndrdisc
+| | ... | ${9000} | ${10000} | 4 | 2
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with with\
+| | ... | 4 threads, 4 phy cores, 2 receive queues per NIC port.
+| | ... | [Ver] Find NDR for 9000 Byte frames using binary search start at 10GE\
+| | ... | linerate, step 10kpps.
+| | [Tags] | 4T4C | MTHREAD | NDRDISC | SKIP_PATCH
+| | [Template] | L2 Bridge Domain NDR Binary Search
+
+| tc18-9000B-4t4c-eth-l2bdbasemaclrn-pdrdisc
+| | ... | ${9000} | ${10000} | 4 | 2
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD switching config with with\
+| | ... | 4 threads, 4 phy cores, 2 receive queues per NIC port.
+| | ... | [Ver] Find PDR for 9000 Byte frames using binary search start at 10GE\
+| | ... | linerate, step 10kpps, LT=0.5%.
+| | [Tags] | 4T4C | MTHREAD | PDRDISC | SKIP_PATCH
+| | [Template] | L2 Bridge Domain PDR Binary Search