CSIT-550: Add x520 L2 x-connect perf test with 2 VMs per DUT

 - 10ge2p1x520-eth-l2xcbase-eth-4vhost-2vm-ndrpdrdisc

Change-Id: I9dc6888d5b94922835fa0fcae2b0763b3a1fa9a3
Signed-off-by: Jan Gelety <jgelety@cisco.com>

2 files changed, 589 insertions, 25 deletions

diff --git a/tests/perf/10ge2p1x520-eth-l2xcbase-eth-2vhost-1vm-ndrpdrdisc.robot b/tests/perf/10ge2p1x520-eth-l2xcbase-eth-2vhost-1vm-ndrpdrdisc.robot
index 17a339328a..97f0bf511f 100644
--- a/tests/perf/10ge2p1x520-eth-l2xcbase-eth-2vhost-1vm-ndrpdrdisc.robot
+++ b/tests/perf/10ge2p1x520-eth-l2xcbase-eth-2vhost-1vm-ndrpdrdisc.robot
@@ -91,7 +91,7 @@
 | | Set To Dictionary | ${dut2_vm_refs} | DUT2_VM1 | ${vm2}
 | | And Setup scheduler policy for VPP on all DUTs
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
-| | ...                                       | ${binary_max} | 3-node-bridge
+| | ...                                       | ${binary_max} | 3-node-xconnect
 | | ...                                       | ${min_rate} | ${max_rate}
 | | ...                                       | ${threshold}
 
@@ -123,7 +123,7 @@
 | | Set To Dictionary | ${dut2_vm_refs} | DUT2_VM1 | ${vm2}
 | | And Setup scheduler policy for VPP on all DUTs
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
-| | ...                                       | ${binary_max} | 3-node-bridge
+| | ...                                       | ${binary_max} | 3-node-xconnect
 | | ...                                       | ${min_rate} | ${max_rate}
 | | ...                                       | ${threshold}
 | | ...                                       | ${perf_pdr_loss_acceptance}
@@ -157,7 +157,7 @@
 | | Set To Dictionary | ${dut2_vm_refs} | DUT2_VM1 | ${vm2}
 | | And Setup scheduler policy for VPP on all DUTs
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
-| | ...                                       | ${binary_max} | 3-node-bridge
+| | ...                                       | ${binary_max} | 3-node-xconnect
 | | ...                                       | ${min_rate} | ${max_rate}
 | | ...                                       | ${threshold}
 
@@ -189,7 +189,7 @@
 | | Set To Dictionary | ${dut2_vm_refs} | DUT2_VM1 | ${vm2}
 | | And Setup scheduler policy for VPP on all DUTs
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
-| | ...                                       | ${binary_max} | 3-node-bridge
+| | ...                                       | ${binary_max} | 3-node-xconnect
 | | ...                                       | ${min_rate} | ${max_rate}
 | | ...                                       | ${threshold}
 | | ...                                       | ${perf_pdr_loss_acceptance}
@@ -199,7 +199,7 @@
 | | [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 5kpps.
+| | ... | size using binary search start at 10GE linerate, step 10kpps.
 | | ... | IMIX_v4_1 = (28x64B;16x570B;4x1518B)
 | | [Tags] | 1T1C | STHREAD | NDRDISC
 | | ${framesize}= | Set Variable | IMIX_v4_1
@@ -224,7 +224,7 @@
 | | Set To Dictionary | ${dut2_vm_refs} | DUT2_VM1 | ${vm2}
 | | And Setup scheduler policy for VPP on all DUTs
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
-| | ...                                       | ${binary_max} | 3-node-bridge
+| | ...                                       | ${binary_max} | 3-node-xconnect
 | | ...                                       | ${min_rate} | ${max_rate}
 | | ...                                       | ${threshold}
 
@@ -232,7 +232,7 @@
 | | [Documentation]
 | | ... | [Cfg] DUT runs L2XC switching config with 1 thread, 1 phy core, \
 | | ... | 1 receive queue per NIC port. [Ver] Find PDR for IMIX_v4_1 frame \
-| | ... | size using binary search start at 10GE linerate, step 5kpps, LT=0.5%.
+| | ... | size using binary search start at 10GE linerate, step 10kpps, LT=0.5%.
 | | ... | IMIX_v4_1 = (28x64B;16x570B;4x1518B)
 | | [Tags] | 1T1C | STHREAD | PDRDISC | SKIP_PATCH
 | | ${framesize}= | Set Variable | IMIX_v4_1
@@ -257,7 +257,7 @@
 | | Set To Dictionary | ${dut2_vm_refs} | DUT2_VM1 | ${vm2}
 | | And Setup scheduler policy for VPP on all DUTs
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
-| | ...                                       | ${binary_max} | 3-node-bridge
+| | ...                                       | ${binary_max} | 3-node-xconnect
 | | ...                                       | ${min_rate} | ${max_rate}
 | | ...                                       | ${threshold}
 | | ...                                       | ${perf_pdr_loss_acceptance}
@@ -291,7 +291,7 @@
 | | Set To Dictionary | ${dut2_vm_refs} | DUT2_VM1 | ${vm2}
 | | And Setup scheduler policy for VPP on all DUTs
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
-| | ...                                       | ${binary_max} | 3-node-bridge
+| | ...                                       | ${binary_max} | 3-node-xconnect
 | | ...                                       | ${min_rate} | ${max_rate}
 | | ...                                       | ${threshold}
 
@@ -323,7 +323,7 @@
 | | Set To Dictionary | ${dut2_vm_refs} | DUT2_VM1 | ${vm2}
 | | And Setup scheduler policy for VPP on all DUTs
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
-| | ...                                       | ${binary_max} | 3-node-bridge
+| | ...                                       | ${binary_max} | 3-node-xconnect
 | | ...                                       | ${min_rate} | ${max_rate}
 | | ...                                       | ${threshold}
 | | ...                                       | ${perf_pdr_loss_acceptance}
@@ -357,7 +357,7 @@
 | | Set To Dictionary | ${dut2_vm_refs} | DUT2_VM1 | ${vm2}
 | | And Setup scheduler policy for VPP on all DUTs
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
-| | ...                                       | ${binary_max} | 3-node-bridge
+| | ...                                       | ${binary_max} | 3-node-xconnect
 | | ...                                       | ${min_rate} | ${max_rate}
 | | ...                                       | ${threshold}
 
@@ -389,7 +389,7 @@
 | | Set To Dictionary | ${dut2_vm_refs} | DUT2_VM1 | ${vm2}
 | | And Setup scheduler policy for VPP on all DUTs
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
-| | ...                                       | ${binary_max} | 3-node-bridge
+| | ...                                       | ${binary_max} | 3-node-xconnect
 | | ...                                       | ${min_rate} | ${max_rate}
 | | ...                                       | ${threshold}
 | | ...                                       | ${perf_pdr_loss_acceptance}
@@ -399,7 +399,7 @@
 | | [Documentation]
 | | ... | [Cfg] DUT runs L2XC switching config with 2 threads, 2 phy cores, \
 | | ... | 1 receive queue per NIC port. [Ver] Find NDR for IMIX_v4_1 frame \
-| | ... | size using binary search start at 10GE linerate, step 5kpps.
+| | ... | size using binary search start at 10GE linerate, step 10kpps.
 | | ... | IMIX_v4_1 = (28x64B;16x570B;4x1518B)
 | | [Tags] | 2T2C | MTHREAD | NDRDISC | SKIP_PATCH
 | | ${framesize}= | Set Variable | IMIX_v4_1
@@ -424,7 +424,7 @@
 | | Set To Dictionary | ${dut2_vm_refs} | DUT2_VM1 | ${vm2}
 | | And Setup scheduler policy for VPP on all DUTs
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
-| | ...                                       | ${binary_max} | 3-node-bridge
+| | ...                                       | ${binary_max} | 3-node-xconnect
 | | ...                                       | ${min_rate} | ${max_rate}
 | | ...                                       | ${threshold}
 
@@ -432,7 +432,7 @@
 | | [Documentation]
 | | ... | [Cfg] DUT runs L2XC switching config with 2 threads, 2 phy cores, \
 | | ... | 1 receive queue per NIC port. [Ver] Find PDR for IMIX_v4_1 frame \
-| | ... | size using binary search start at 10GE linerate, step 5kpps, LT=0.5%.
+| | ... | size using binary search start at 10GE linerate, step 10kpps, LT=0.5%.
 | | ... | IMIX_v4_1 = (28x64B;16x570B;4x1518B)
 | | [Tags] | 2T2C | MTHREAD | PDRDISC | SKIP_PATCH
 | | ${framesize}= | Set Variable | IMIX_v4_1
@@ -457,7 +457,7 @@
 | | Set To Dictionary | ${dut2_vm_refs} | DUT2_VM1 | ${vm2}
 | | And Setup scheduler policy for VPP on all DUTs
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
-| | ...                                       | ${binary_max} | 3-node-bridge
+| | ...                                       | ${binary_max} | 3-node-xconnect
 | | ...                                       | ${min_rate} | ${max_rate}
 | | ...                                       | ${threshold}
 | | ...                                       | ${perf_pdr_loss_acceptance}
@@ -491,7 +491,7 @@
 | | Set To Dictionary | ${dut2_vm_refs} | DUT2_VM1 | ${vm2}
 | | And Setup scheduler policy for VPP on all DUTs
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
-| | ...                                       | ${binary_max} | 3-node-bridge
+| | ...                                       | ${binary_max} | 3-node-xconnect
 | | ...                                       | ${min_rate} | ${max_rate}
 | | ...                                       | ${threshold}
 
@@ -523,7 +523,7 @@
 | | Set To Dictionary | ${dut2_vm_refs} | DUT2_VM1 | ${vm2}
 | | And Setup scheduler policy for VPP on all DUTs
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
-| | ...                                       | ${binary_max} | 3-node-bridge
+| | ...                                       | ${binary_max} | 3-node-xconnect
 | | ...                                       | ${min_rate} | ${max_rate}
 | | ...                                       | ${threshold}
 | | ...                                       | ${perf_pdr_loss_acceptance}
@@ -557,7 +557,7 @@
 | | Set To Dictionary | ${dut2_vm_refs} | DUT2_VM1 | ${vm2}
 | | And Setup scheduler policy for VPP on all DUTs
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
-| | ...                                       | ${binary_max} | 3-node-bridge
+| | ...                                       | ${binary_max} | 3-node-xconnect
 | | ...                                       | ${min_rate} | ${max_rate}
 | | ...                                       | ${threshold}
 
@@ -589,7 +589,7 @@
 | | Set To Dictionary | ${dut2_vm_refs} | DUT2_VM1 | ${vm2}
 | | And Setup scheduler policy for VPP on all DUTs
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
-| | ...                                       | ${binary_max} | 3-node-bridge
+| | ...                                       | ${binary_max} | 3-node-xconnect
 | | ...                                       | ${min_rate} | ${max_rate}
 | | ...                                       | ${threshold}
 | | ...                                       | ${perf_pdr_loss_acceptance}
@@ -599,7 +599,7 @@
 | | [Documentation]
 | | ... | [Cfg] DUT runs L2XC switching config with 4 threads, 4 phy cores, \
 | | ... | 2 receive queues per NIC port. [Ver] Find NDR for IMIX_v4_1 frame \
-| | ... | size using binary search start at 10GE linerate, step 5kpps.
+| | ... | size using binary search start at 10GE linerate, step 10kpps.
 | | ... | IMIX_v4_1 = (28x64B;16x570B;4x1518B)
 | | [Tags] | 4T4C | MTHREAD | NDRDISC | SKIP_PATCH
 | | ${framesize}= | Set Variable | IMIX_v4_1
@@ -624,7 +624,7 @@
 | | Set To Dictionary | ${dut2_vm_refs} | DUT2_VM1 | ${vm2}
 | | And Setup scheduler policy for VPP on all DUTs
 | | Then Find NDR using binary search and pps | ${framesize} | ${binary_min}
-| | ...                                       | ${binary_max} | 3-node-bridge
+| | ...                                       | ${binary_max} | 3-node-xconnect
 | | ...                                       | ${min_rate} | ${max_rate}
 | | ...                                       | ${threshold}
 
@@ -632,7 +632,7 @@
 | | [Documentation]
 | | ... | [Cfg] DUT runs L2XC switching config with 4 threads, 4 phy cores, \
 | | ... | 2 receive queues per NIC port. [Ver] Find PDR for IMIX_v4_1 frame \
-| | ... | size using binary search start at 10GE linerate, step 5kpps, LT=0.5%.
+| | ... | size using binary search start at 10GE linerate, step 10kpps, LT=0.5%.
 | | ... | IMIX_v4_1 = (28x64B;16x570B;4x1518B)
 | | [Tags] | 4T4C | MTHREAD | PDRDISC | SKIP_PATCH
 | | ${framesize}= | Set Variable | IMIX_v4_1
@@ -657,9 +657,8 @@
 | | Set To Dictionary | ${dut2_vm_refs} | DUT2_VM1 | ${vm2}
 | | And Setup scheduler policy for VPP on all DUTs
 | | Then Find PDR using binary search and pps | ${framesize} | ${binary_min}
-| | ...                                       | ${binary_max} | 3-node-bridge
+| | ...                                       | ${binary_max} | 3-node-xconnect
 | | ...                                       | ${min_rate} | ${max_rate}
 | | ...                                       | ${threshold}
 | | ...                                       | ${perf_pdr_loss_acceptance}
 | | ...                                       | ${perf_pdr_loss_acceptance_type}
-
diff --git a/tests/perf/10ge2p1x520-eth-l2xcbase-eth-4vhost-2vm-ndrpdrdisc.robot b/tests/perf/10ge2p1x520-eth-l2xcbase-eth-4vhost-2vm-ndrpdrdisc.robot
new file mode 100644
index 0000000000..d58458f72b
--- /dev/null
+++ b/tests/perf/10ge2p1x520-eth-l2xcbase-eth-4vhost-2vm-ndrpdrdisc.robot
@@ -0,0 +1,565 @@
+# 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
+| Library | resources.libraries.python.NodePath
+| ...
+| Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDRDISC
+| ... | NIC_Intel-X520-DA2 | ETH | L2XCFWD | BASE | VHOST | VM
+| ...
+| Suite Setup | 3-node Performance Suite Setup with DUT's NIC model
+| ... | L2 | Intel-X520-DA2
+| Suite Teardown | 3-node Performance Suite Teardown
+| ...
+| Test Setup | Performance test setup
+| Test Teardown | Performance test with vhost and VM with dpdk-testpmd teardown
+| ... | ${min_rate}pps | ${framesize} | 3-node-xconnect
+| ... | dut1_node=${dut1} | dut1_vm_refs=${dut1_vm_refs}
+| ... | dut2_node=${dut2} | dut2_vm_refs=${dut2_vm_refs}
+| ...
+| Documentation | *RFC2544: Pkt 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 cross connect.
+| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with L2 cross-
+| ... | connects. Qemu Guests are connected to VPP via vhost-user interfaces.
+| ... | Guests are running DPDK testpmd interconnecting vhost-user interfaces
+| ... | using 5 cores pinned to cpus 6-10 and 11-15 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 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 ***
+# X520-DA2 bandwidth limit
+| ${s_limit} | ${10000000000}
+#CPU settings
+| ${system_cpus}= | ${1}
+| ${vpp_cpus}= | ${5}
+| ${vm_cpus}= | ${5}
+
+*** Test Cases ***
+| tc01-64B-1t1c-eth-l2xcbase-eth-4vhost-2vm-ndrdisc
+| | [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 10kpps.
+| | [Tags] | 1T1C | STHREAD | NDRDISC
+| | ${framesize}= | Set Variable | ${64}
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | ${dut1_vm_refs}= | Create Dictionary
+| | ${dut2_vm_refs}= | Create Dictionary
+| | Set Test Variable | ${dut1_vm_refs}
+| | Set Test Variable | ${dut2_vm_refs}
+| | 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
+| | When  L2 xconnect with Vhost-User for '2' initialized in a 3-node circular topology
+| | And   '2' Guest VMs with dpdk-testpmd connected via vhost-user is setup in a 3-node circular topology
+| | And   Setup scheduler policy for VPP on all DUTs
+| | Then  Find NDR using binary search and pps
+| | ...   | ${framesize} | ${binary_min} | ${binary_max} | 3-node-xconnect
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+
+| tc02-64B-1t1c-eth-l2xcbase-eth-4vhost-2vm-pdrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config 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 10kpps, LT=0.5%.
+| | [Tags] | 1T1C | STHREAD | PDRDISC | SKIP_PATCH
+| | ${framesize}= | Set Variable | ${64}
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | ${dut1_vm_refs}= | Create Dictionary
+| | ${dut2_vm_refs}= | Create Dictionary
+| | Set Test Variable | ${dut1_vm_refs}
+| | Set Test Variable | ${dut2_vm_refs}
+| | 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
+| | When  L2 xconnect with Vhost-User for '2' initialized in a 3-node circular topology
+| | And   '2' Guest VMs with dpdk-testpmd connected via vhost-user is setup in a 3-node circular topology
+| | And   Setup scheduler policy for VPP on all DUTs
+| | Then  Find PDR using binary search and pps
+| | ...   | ${framesize} | ${binary_min} | ${binary_max} | 3-node-xconnect
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+| | ...   | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}
+
+| tc03-1518B-1t1c-eth-l2xcbase-eth-4vhost-2vm-ndrdisc
+| | [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] | 1T1C | STHREAD | NDRDISC
+| | ${framesize}= | Set Variable | ${1518}
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | ${dut1_vm_refs}= | Create Dictionary
+| | ${dut2_vm_refs}= | Create Dictionary
+| | Set Test Variable | ${dut1_vm_refs}
+| | Set Test Variable | ${dut2_vm_refs}
+| | 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
+| | When  L2 xconnect with Vhost-User for '2' initialized in a 3-node circular topology
+| | And   '2' Guest VMs with dpdk-testpmd connected via vhost-user is setup in a 3-node circular topology
+| | And   Setup scheduler policy for VPP on all DUTs
+| | Then  Find NDR using binary search and pps
+| | ...   | ${framesize} | ${binary_min} | ${binary_max} | 3-node-xconnect
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+
+| tc04-1518B-1t1c-eth-l2xcbase-eth-4vhost-2vm-pdrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config 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
+| | ${framesize}= | Set Variable | ${1518}
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | ${dut1_vm_refs}= | Create Dictionary
+| | ${dut2_vm_refs}= | Create Dictionary
+| | Set Test Variable | ${dut1_vm_refs}
+| | Set Test Variable | ${dut2_vm_refs}
+| | 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
+| | When  L2 xconnect with Vhost-User for '2' initialized in a 3-node circular topology
+| | And   '2' Guest VMs with dpdk-testpmd connected via vhost-user is setup in a 3-node circular topology
+| | And   Setup scheduler policy for VPP on all DUTs
+| | Then  Find PDR using binary search and pps
+| | ...   | ${framesize} | ${binary_min} | ${binary_max} | 3-node-xconnect
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+| | ...   | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}
+
+| tc05-IMIX-1t1c-eth-l2xcbase-eth-4vhost-2vm-ndrdisc
+| | [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 10kpps.
+| | ... | IMIX_v4_1 = (28x64B;16x570B;4x1518B)
+| | [Tags] | 1T1C | STHREAD | NDRDISC
+| | ${framesize}= | Set Variable | IMIX_v4_1
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | ${dut1_vm_refs}= | Create Dictionary
+| | ${dut2_vm_refs}= | Create Dictionary
+| | Set Test Variable | ${dut1_vm_refs}
+| | Set Test Variable | ${dut2_vm_refs}
+| | 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
+| | When  L2 xconnect with Vhost-User for '2' initialized in a 3-node circular topology
+| | And   '2' Guest VMs with dpdk-testpmd connected via vhost-user is setup in a 3-node circular topology
+| | And   Setup scheduler policy for VPP on all DUTs
+| | Then  Find NDR using binary search and pps
+| | ...   | ${framesize} | ${binary_min} | ${binary_max} | 3-node-xconnect
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+
+| tc06-IMIX-1t1c-eth-l2xcbase-eth-4vhost-2vm-pdrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config with 1 thread, 1 phy core, \
+| | ... | 1 receive queue per NIC port. [Ver] Find PDR for IMIX_v4_1 frame \
+| | ... | size using binary search start at 10GE linerate, step 10kpps, LT=0.5%.
+| | ... | IMIX_v4_1 = (28x64B;16x570B;4x1518B)
+| | [Tags] | 1T1C | STHREAD | PDRDISC | SKIP_PATCH
+| | ${framesize}= | Set Variable | IMIX_v4_1
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | ${dut1_vm_refs}= | Create Dictionary
+| | ${dut2_vm_refs}= | Create Dictionary
+| | Set Test Variable | ${dut1_vm_refs}
+| | Set Test Variable | ${dut2_vm_refs}
+| | 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
+| | When  L2 xconnect with Vhost-User for '2' initialized in a 3-node circular topology
+| | And   '2' Guest VMs with dpdk-testpmd connected via vhost-user is setup in a 3-node circular topology
+| | And   Setup scheduler policy for VPP on all DUTs
+| | Then  Find PDR using binary search and pps
+| | ...   | ${framesize} | ${binary_min} | ${binary_max} | 3-node-xconnect
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+| | ...   | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}
+
+| tc07-64B-2t2c-eth-l2xcbase-eth-4vhost-2vm-ndrdisc
+| | [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 10kpps.
+| | [Tags] | 2T2C | MTHREAD | NDRDISC
+| | ${framesize}= | Set Variable | ${64}
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | ${dut1_vm_refs}= | Create Dictionary
+| | ${dut2_vm_refs}= | Create Dictionary
+| | Set Test Variable | ${dut1_vm_refs}
+| | Set Test Variable | ${dut2_vm_refs}
+| | 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
+| | When  L2 xconnect with Vhost-User for '2' initialized in a 3-node circular topology
+| | And   '2' Guest VMs with dpdk-testpmd connected via vhost-user is setup in a 3-node circular topology
+| | And   Setup scheduler policy for VPP on all DUTs
+| | Then  Find NDR using binary search and pps
+| | ...   | ${framesize} | ${binary_min} | ${binary_max} | 3-node-xconnect
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+
+| tc08-64B-2t2c-eth-l2xcbase-eth-4vhost-2vm-pdrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config 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 10kpps, LT=0.5%.
+| | [Tags] | 2T2C | MTHREAD | PDRDISC | SKIP_PATCH
+| | ${framesize}= | Set Variable | ${64}
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | ${dut1_vm_refs}= | Create Dictionary
+| | ${dut2_vm_refs}= | Create Dictionary
+| | Set Test Variable | ${dut1_vm_refs}
+| | Set Test Variable | ${dut2_vm_refs}
+| | 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
+| | When  L2 xconnect with Vhost-User for '2' initialized in a 3-node circular topology
+| | And   '2' Guest VMs with dpdk-testpmd connected via vhost-user is setup in a 3-node circular topology
+| | And   Setup scheduler policy for VPP on all DUTs
+| | Then  Find PDR using binary search and pps
+| | ...   | ${framesize} | ${binary_min} | ${binary_max} | 3-node-xconnect
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+| | ...   | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}
+
+| tc09-1518B-2t2c-eth-l2xcbase-eth-4vhost-2vm-ndrdisc
+| | [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] | 2T2C | MTHREAD | NDRDISC | SKIP_PATCH
+| | ${framesize}= | Set Variable | ${1518}
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | ${dut1_vm_refs}= | Create Dictionary
+| | ${dut2_vm_refs}= | Create Dictionary
+| | Set Test Variable | ${dut1_vm_refs}
+| | Set Test Variable | ${dut2_vm_refs}
+| | 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
+| | When  L2 xconnect with Vhost-User for '2' initialized in a 3-node circular topology
+| | And   '2' Guest VMs with dpdk-testpmd connected via vhost-user is setup in a 3-node circular topology
+| | And   Setup scheduler policy for VPP on all DUTs
+| | Then  Find NDR using binary search and pps
+| | ...   | ${framesize} | ${binary_min} | ${binary_max} | 3-node-xconnect
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+
+| tc10-1518B-2t2c-eth-l2xcbase-eth-4vhost-2vm-pdrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config 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
+| | ${framesize}= | Set Variable | ${1518}
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | ${dut1_vm_refs}= | Create Dictionary
+| | ${dut2_vm_refs}= | Create Dictionary
+| | Set Test Variable | ${dut1_vm_refs}
+| | Set Test Variable | ${dut2_vm_refs}
+| | 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
+| | When  L2 xconnect with Vhost-User for '2' initialized in a 3-node circular topology
+| | And   '2' Guest VMs with dpdk-testpmd connected via vhost-user is setup in a 3-node circular topology
+| | And   Setup scheduler policy for VPP on all DUTs
+| | Then  Find PDR using binary search and pps
+| | ...   | ${framesize} | ${binary_min} | ${binary_max} | 3-node-xconnect
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+| | ...   | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}
+
+| tc11-IMIX-2t2c-eth-l2xcbase-eth-4vhost-2vm-ndrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config with 2 threads, 2 phy cores, \
+| | ... | 1 receive queue per NIC port. [Ver] Find NDR for IMIX_v4_1 frame \
+| | ... | size using binary search start at 10GE linerate, step 10kpps.
+| | ... | IMIX_v4_1 = (28x64B;16x570B;4x1518B)
+| | [Tags] | 2T2C | MTHREAD | NDRDISC | SKIP_PATCH
+| | ${framesize}= | Set Variable | IMIX_v4_1
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | ${dut1_vm_refs}= | Create Dictionary
+| | ${dut2_vm_refs}= | Create Dictionary
+| | Set Test Variable | ${dut1_vm_refs}
+| | Set Test Variable | ${dut2_vm_refs}
+| | 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
+| | When  L2 xconnect with Vhost-User for '2' initialized in a 3-node circular topology
+| | And   '2' Guest VMs with dpdk-testpmd connected via vhost-user is setup in a 3-node circular topology
+| | And   Setup scheduler policy for VPP on all DUTs
+| | Then  Find NDR using binary search and pps
+| | ...   | ${framesize} | ${binary_min} | ${binary_max} | 3-node-xconnect
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+
+| tc12-IMIX-2t2c-eth-l2xcbase-eth-4vhost-2vm-pdrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config with 2 threads, 2 phy cores, \
+| | ... | 1 receive queue per NIC port. [Ver] Find PDR for IMIX_v4_1 frame \
+| | ... | size using binary search start at 10GE linerate, step 10kpps, LT=0.5%.
+| | ... | IMIX_v4_1 = (28x64B;16x570B;4x1518B)
+| | [Tags] | 2T2C | MTHREAD | PDRDISC | SKIP_PATCH
+| | ${framesize}= | Set Variable | IMIX_v4_1
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | ${dut1_vm_refs}= | Create Dictionary
+| | ${dut2_vm_refs}= | Create Dictionary
+| | Set Test Variable | ${dut1_vm_refs}
+| | Set Test Variable | ${dut2_vm_refs}
+| | 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
+| | When  L2 xconnect with Vhost-User for '2' initialized in a 3-node circular topology
+| | And   '2' Guest VMs with dpdk-testpmd connected via vhost-user is setup in a 3-node circular topology
+| | And   Setup scheduler policy for VPP on all DUTs
+| | Then  Find PDR using binary search and pps
+| | ...   | ${framesize} | ${binary_min} | ${binary_max} | 3-node-xconnect
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+| | ...   | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}
+
+| tc13-64B-4t4c-eth-l2xcbase-eth-4vhost-2vm-ndrdisc
+| | [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 10kpps.
+| | [Tags] | 4T4C | MTHREAD | NDRDISC
+| | ${framesize}= | Set Variable | ${64}
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | ${dut1_vm_refs}= | Create Dictionary
+| | ${dut2_vm_refs}= | Create Dictionary
+| | Set Test Variable | ${dut1_vm_refs}
+| | Set Test Variable | ${dut2_vm_refs}
+| | 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
+| | When  L2 xconnect with Vhost-User for '2' initialized in a 3-node circular topology
+| | And   '2' Guest VMs with dpdk-testpmd connected via vhost-user is setup in a 3-node circular topology
+| | And   Setup scheduler policy for VPP on all DUTs
+| | Then  Find NDR using binary search and pps
+| | ...   | ${framesize} | ${binary_min} | ${binary_max} | 3-node-xconnect
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+
+| tc14-64B-4t4c-eth-l2xcbase-eth-4vhost-2vm-pdrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config 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 10kpps, LT=0.5%.
+| | [Tags] | 4T4C | MTHREAD | PDRDISC | SKIP_PATCH
+| | ${framesize}= | Set Variable | ${64}
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | ${dut1_vm_refs}= | Create Dictionary
+| | ${dut2_vm_refs}= | Create Dictionary
+| | Set Test Variable | ${dut1_vm_refs}
+| | Set Test Variable | ${dut2_vm_refs}
+| | 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
+| | When  L2 xconnect with Vhost-User for '2' initialized in a 3-node circular topology
+| | And   '2' Guest VMs with dpdk-testpmd connected via vhost-user is setup in a 3-node circular topology
+| | And   Setup scheduler policy for VPP on all DUTs
+| | Then  Find PDR using binary search and pps
+| | ...   | ${framesize} | ${binary_min} | ${binary_max} | 3-node-xconnect
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+| | ...   | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}
+
+| tc15-1518B-4t4c-eth-l2xcbase-eth-4vhost-2vm-ndrdisc
+| | [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] | 4T4C | MTHREAD | NDRDISC | SKIP_PATCH
+| | ${framesize}= | Set Variable | ${1518}
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | ${dut1_vm_refs}= | Create Dictionary
+| | ${dut2_vm_refs}= | Create Dictionary
+| | Set Test Variable | ${dut1_vm_refs}
+| | Set Test Variable | ${dut2_vm_refs}
+| | 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
+| | When  L2 xconnect with Vhost-User for '2' initialized in a 3-node circular topology
+| | And   '2' Guest VMs with dpdk-testpmd connected via vhost-user is setup in a 3-node circular topology
+| | And   Setup scheduler policy for VPP on all DUTs
+| | Then  Find NDR using binary search and pps
+| | ...   | ${framesize} | ${binary_min} | ${binary_max} | 3-node-xconnect
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+
+| tc16-1518B-4t4c-eth-l2xcbase-eth-4vhost-2vm-pdrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config 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
+| | ${framesize}= | Set Variable | ${1518}
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | ${dut1_vm_refs}= | Create Dictionary
+| | ${dut2_vm_refs}= | Create Dictionary
+| | Set Test Variable | ${dut1_vm_refs}
+| | Set Test Variable | ${dut2_vm_refs}
+| | 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
+| | When  L2 xconnect with Vhost-User for '2' initialized in a 3-node circular topology
+| | And   '2' Guest VMs with dpdk-testpmd connected via vhost-user is setup in a 3-node circular topology
+| | And   Setup scheduler policy for VPP on all DUTs
+| | Then  Find PDR using binary search and pps
+| | ...   | ${framesize} | ${binary_min} | ${binary_max} | 3-node-xconnect
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+| | ...   | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}
+
+| tc17-IMIX-4t4c-eth-l2xcbase-eth-4vhost-2vm-ndrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config with 4 threads, 4 phy cores, \
+| | ... | 2 receive queues per NIC port. [Ver] Find NDR for IMIX_v4_1 frame \
+| | ... | size using binary search start at 10GE linerate, step 10kpps.
+| | ... | IMIX_v4_1 = (28x64B;16x570B;4x1518B)
+| | [Tags] | 4T4C | MTHREAD | NDRDISC | SKIP_PATCH
+| | ${framesize}= | Set Variable | IMIX_v4_1
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | ${dut1_vm_refs}= | Create Dictionary
+| | ${dut2_vm_refs}= | Create Dictionary
+| | Set Test Variable | ${dut1_vm_refs}
+| | Set Test Variable | ${dut2_vm_refs}
+| | 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
+| | When  L2 xconnect with Vhost-User for '2' initialized in a 3-node circular topology
+| | And   '2' Guest VMs with dpdk-testpmd connected via vhost-user is setup in a 3-node circular topology
+| | And   Setup scheduler policy for VPP on all DUTs
+| | Then  Find NDR using binary search and pps
+| | ...   | ${framesize} | ${binary_min} | ${binary_max} | 3-node-xconnect
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+
+| tc18-IMIX-4t4c-eth-l2xcbase-eth-4vhost-2vm-pdrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2XC switching config with 4 threads, 4 phy cores, \
+| | ... | 2 receive queues per NIC port. [Ver] Find PDR for IMIX_v4_1 frame \
+| | ... | size using binary search start at 10GE linerate, step 10kpps, LT=0.5%.
+| | ... | IMIX_v4_1 = (28x64B;16x570B;4x1518B)
+| | [Tags] | 4T4C | MTHREAD | PDRDISC | SKIP_PATCH
+| | ${framesize}= | Set Variable | IMIX_v4_1
+| | ${min_rate}= | Set Variable | ${10000}
+| | ${max_rate}= | Calculate pps | ${s_limit} | ${framesize}
+| | ${binary_min}= | Set Variable | ${min_rate}
+| | ${binary_max}= | Set Variable | ${max_rate}
+| | ${threshold}= | Set Variable | ${min_rate}
+| | ${dut1_vm_refs}= | Create Dictionary
+| | ${dut2_vm_refs}= | Create Dictionary
+| | Set Test Variable | ${dut1_vm_refs}
+| | Set Test Variable | ${dut2_vm_refs}
+| | 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
+| | When  L2 xconnect with Vhost-User for '2' initialized in a 3-node circular topology
+| | And   '2' Guest VMs with dpdk-testpmd connected via vhost-user is setup in a 3-node circular topology
+| | And   Setup scheduler policy for VPP on all DUTs
+| | Then  Find PDR using binary search and pps
+| | ...   | ${framesize} | ${binary_min} | ${binary_max} | 3-node-xconnect
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+| | ...   | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}