--- /dev/null
+# 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/performance_setup.robot
+| Library | resources.libraries.python.QemuUtils
+| ...
+| Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | PDRCHK
+| ... | NIC_Intel-X520-DA2 | ETH | L2XCFWD | BASE | VHOST | VM
+| ...
+| Suite Setup | Set up 3-node performance topology with DUT's NIC model
+| ... | L2 | Intel-X520-DA2
+| Suite Teardown | Tear down 3-node performance topology
+| ...
+| Test Setup | Set up performance test
+| Test Teardown | Tear down performance pdrchk test with vhost and VM with dpdk-testpmd
+| ... | ${rate}pps | ${framesize} | ${traffic_profile}
+| ... | dut1_node=${dut1} | dut1_vm_refs=${dut1_vm_refs}
+| ... | dut2_node=${dut2} | dut2_vm_refs=${dut2_vm_refs}
+| ...
+| Documentation | *RFC2544: Packet throughput L2XC test cases with vhost*
+| ...
+| ... | *[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. 802.1q
+| ... | tagging is applied on link between DUT1 and DUT2.
+| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with L2 cross-
+| ... | connect. Qemu Guest is connected to VPP via
+| ... | vhost-user interfaces. Guest is running DPDK testpmd interconnecting
+| ... | vhost-user interfaces using 5 cores pinned to cpus 5-9 and 2048M
+| ... | memory. Testpmd is using socket-mem=1024M (512x2M hugepages), 5 cores
+| ... | (1 main core and 4 cores dedicated for io), forwarding mode is set to
+| ... | io, rxd/txd=256, burst=64. DUT1, DUT2 are tested with 2p10GE NIC X520
+| ... | Niantic by Intel.
+| ... | *[Ver] TG verification:* TG verifies throughput PDR (Partial Drop
+| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage
+| ... | of packets transmitted. Ref-PDR value is periodically updated acording to
+| ... | formula: ref-PDR = 0.9x PDR, where PDR is found in RFC2544 long
+| ... | performance tests for the same DUT configuration. 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 ***
+| ${bd_id1}= | 1
+| ${bd_id2}= | 2
+| ${sock1}= | /tmp/sock-1-${bd_id1}
+| ${sock2}= | /tmp/sock-1-${bd_id2}
+# Traffic profile:
+| ${traffic_profile} | trex-sl-3n-ethip4-ip4src254
+
+*** Keywords ***
+| Check PDR for L2XC with vhost and VM with dpdk-testpmd
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config with ${wt} thread, ${wt} phy\
+| | ... | core, ${rxq} receive queue per NIC port.
+| | ... | [Ver] Verify ref-PDR for ${framesize} Byte frames using single trial\
+| | ... | throughput test at 2x ${rate}.
+| | ...
+| | [Arguments] | ${framesize} | ${rate} | ${wt} | ${rxq}
+| | ...
+| | # Test Variables required for test and test teardown
+| | Set Test Variable | ${framesize}
+| | Set Test Variable | ${rate}
+| | ${get_framesize}= | Get Frame Size | ${framesize}
+| | ${dut1_vm_refs}= | Create Dictionary
+| | ${dut2_vm_refs}= | Create Dictionary
+| | Set Test Variable | ${dut1_vm_refs}
+| | Set Test Variable | ${dut2_vm_refs}
+| | ...
+| | Given Add '${wt}' worker threads and '${rxq}' rxqueues in 3-node single-link circular topology
+| | And Add PCI devices to DUTs in 3-node single link topology
+| | And Run Keyword If | ${get_framesize} < ${1522}
+| | ... | Add no multi seg to all DUTs
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize L2 xconnect with Vhost-User in 3-node circular topology
+| | ... | ${sock1} | ${sock2}
+| | ${vm1}= | And Configure guest VM with dpdk-testpmd connected via vhost-user
+| | ... | ${dut1} | ${sock1} | ${sock2} | DUT1_VM1
+| | Set To Dictionary | ${dut1_vm_refs} | DUT1_VM1 | ${vm1}
+| | ${vm2}= | And Configure guest VM with dpdk-testpmd connected via vhost-user
+| | ... | ${dut2} | ${sock1} | ${sock2} | DUT2_VM1
+| | Set To Dictionary | ${dut2_vm_refs} | DUT2_VM1 | ${vm2}
+| | Then Traffic should pass with partial loss | ${perf_trial_duration}
+| | ... | ${rate} | ${framesize} | ${traffic_profile}
+| | ... | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}
+
+*** Test Cases ***
+| tc01-64B-1t1c-eth-l2xcbase-eth-2vhost-1vm-pdrchk
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config with 1 thread, 1 phy\
+| | ... | core, 1 receive queue per NIC port.
+| | ... | [Ver] Verify ref-PDR for 64 Byte frames using single trial\
+| | ... | throughput test at 2x ${rate}.
+| | ...
+| | [Tags] | 64B | 1T1C | STHREAD
+| | ...
+| | [Template] | Check PDR for L2XC with vhost and VM with dpdk-testpmd
+| | framesize=${64} | rate=1.6mpps | wt=1 | rxq=1
+
+| tc02-1518B-1t1c-eth-l2xcbase-eth-2vhost-1vm-pdrchk
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config with 1 thread, 1 phy\
+| | ... | core, 1 receive queue per NIC port.
+| | ... | [Ver] Verify ref-PDR for 1518 Byte frames using single trial\
+| | ... | throughput test at 2x ${rate}.
+| | ...
+| | [Tags] | 1518B | 1T1C | STHREAD
+| | ...
+| | [Template] | Check PDR for L2XC with vhost and VM with dpdk-testpmd
+| | framesize=${1518} | rate=400000pps | wt=1 | rxq=1
+
+| tc03-IMIX-1t1c-eth-l2xcbase-eth-2vhost-1vm-pdrchk
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config with 1 thread, 1 phy\
+| | ... | core, 1 receive queue per NIC port.
+| | ... | [Ver] Verify ref-PDR for 64 Byte frames using single trial\
+| | ... | throughput test at 2x ${rate}.
+| | ...
+| | [Tags] | IMIX | 1T1C | STHREAD
+| | ...
+| | [Template] | Check PDR for L2XC with vhost and VM with dpdk-testpmd
+| | framesize=IMIX_v4_1 | rate=1.0mpps | wt=1 | rxq=1
+
+| tc04-64B-2t2c-eth-l2xcbase-eth-2vhost-1vm-pdrchk
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config with 2 threads, 2 phy\
+| | ... | cores, 1 receive queue per NIC port.
+| | ... | [Ver] Verify ref-PDR for 64 Byte frames using single trial\
+| | ... | throughput test at 2x ${rate}.
+| | ...
+| | [Tags] | 64B | 2T2C | MTHREAD
+| | ...
+| | [Template] | Check PDR for L2XC with vhost and VM with dpdk-testpmd
+| | framesize=${64} | rate=3.0mpps | wt=2 | rxq=1
+
+| tc05-1518B-2t2c-eth-l2xcbase-eth-2vhost-1vm-pdrchk
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config with 2 threads, 2 phy\
+| | ... | cores, 1 receive queue per NIC port.
+| | ... | [Ver] Verify ref-PDR for 1518 Byte frames using single trial\
+| | ... | throughput test at 2x ${rate}.
+| | ...
+| | [Tags] | 1518B | 2T2C | MTHREAD
+| | ...
+| | [Template] | Check PDR for L2XC with vhost and VM with dpdk-testpmd
+| | framesize=${1518} | rate=0.7mpps | wt=2 | rxq=1
+
+| tc06-IMIX-2t2c-eth-l2xcbase-eth-2vhost-1vm-pdrchk
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config with 2 threads, 2 phy\
+| | ... | cores, 1 receive queue per NIC port.
+| | ... | [Ver] Verify ref-PDR for 64 Byte frames using single trial\
+| | ... | throughput test at 2x ${rate}.
+| | ...
+| | [Tags] | IMIX | 2T2C | MTHREAD
+| | ...
+| | [Template] | Check PDR for L2XC with vhost and VM with dpdk-testpmd
+| | framesize=IMIX_v4_1 | rate=2.0mpps | wt=2 | rxq=1
+
+| tc07-64B-4t4c-eth-l2xcbase-eth-2vhost-1vm-pdrchk
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config with 4 threads, 4 phy\
+| | ... | cores, 2 receive queues per NIC port.
+| | ... | [Ver] Verify ref-PDR for 64 Byte frames using single trial\
+| | ... | throughput test at 2x ${rate}.
+| | ...
+| | [Tags] | 64B | 4T4C | MTHREAD
+| | ...
+| | [Template] | Check PDR for L2XC with vhost and VM with dpdk-testpmd
+| | framesize=${64} | rate=4.2mpps | wt=4 | rxq=2
+
+| tc08-1518B-4t4c-eth-l2xcbase-eth-2vhost-1vm-pdrchk
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config with 4 threads, 4 phy\
+| | ... | cores, 2 receive queues per NIC port.
+| | ... | [Ver] Verify ref-PDR for 1518 Byte frames using single trial\
+| | ... | throughput test at 2x ${rate}.
+| | ...
+| | [Tags] | 1518B | 4T4C | MTHREAD
+| | ...
+| | [Template] | Check PDR for L2XC with vhost and VM with dpdk-testpmd
+| | framesize=${1518} | rate=0.7mpps | wt=4 | rxq=2
+
+| tc09-IMIX-4t4c-eth-l2xcbase-eth-2vhost-1vm-pdrchk
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config with 4 threads, 4 phy\
+| | ... | cores, 2 receive queues per NIC port.
+| | ... | [Ver] Verify ref-PDR for 64 Byte frames using single trial\
+| | ... | throughput test at 2x ${rate}.
+| | ...
+| | [Tags] | IMIX | 4T4C | MTHREAD
+| | ...
+| | [Template] | Check PDR for L2XC with vhost and VM with dpdk-testpmd
+| | framesize=IMIX_v4_1 | rate=3.0mpps | wt=4 | rxq=2
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