CSIT-547: Add x520 L2BD perf test with 2 VMs per DUT

 - 10ge2p1x520-eth-l2bdbasemaclrn-eth-4vhost-2vm-ndrpdrdisc

Change-Id: If65a7cf21d1dbff88f39f319877d9ac1fc5d959e
Signed-off-by: Jan Gelety <jgelety@cisco.com>

diff --git a/resources/libraries/python/QemuUtils.py b/resources/libraries/python/QemuUtils.py
index 2123e42..675f074 100644 (file)
--- a/resources/libraries/python/QemuUtils.py
+++ b/resources/libraries/python/QemuUtils.py
@@ -27,12 +27,13 @@ class QemuUtils(object):
     """QEMU utilities."""
 
     __QEMU_BIN = '/usr/bin/qemu-system-x86_64'
-    # QEMU Machine Protocol socket
-    __QMP_SOCK = '/tmp/qmp.sock'
-    # QEMU Guest Agent socket
-    __QGA_SOCK = '/tmp/qga.sock'
 
-    def __init__(self):
+    def __init__(self, qemu_id=1):
+        self._qemu_id = qemu_id
+        # QEMU Machine Protocol socket
+        self._qmp_sock = '/tmp/qmp{0}.sock'.format(self._qemu_id)
+        # QEMU Guest Agent socket
+        self._qga_sock = '/tmp/qga{0}.sock'.format(self._qemu_id)
         self._qemu_opt = {}
         # Default 1 CPU.
         self._qemu_opt['smp'] = '-smp 1,sockets=1,cores=1,threads=1'
@@ -40,7 +41,8 @@ class QemuUtils(object):
         # management interface.
         self._qemu_opt['options'] = '-cpu host -daemonize -enable-kvm ' \
             '-machine pc,accel=kvm,usb=off,mem-merge=off ' \
-            '-net nic,macaddr=52:54:00:00:02:01 -balloon none'
+            '-net nic,macaddr=52:54:00:00:00:{0:02x} -balloon none'\
+            .format(self._qemu_id)
         self._qemu_opt['ssh_fwd_port'] = 10022
         # Default serial console port
         self._qemu_opt['serial_port'] = 4556
@@ -55,7 +57,7 @@ class QemuUtils(object):
         # VM node info dict
         self._vm_info = {
             'type': NodeType.VM,
-            'port': 10022,
+            'port': self._qemu_opt['ssh_fwd_port'],
             'username': 'cisco',
             'password': 'cisco',
             'interfaces': {},
@@ -65,7 +67,7 @@ class QemuUtils(object):
         self._vhost_id = 0
         self._ssh = None
         self._node = None
-        self._socks = [self.__QMP_SOCK, self.__QGA_SOCK]
+        self._socks = [self._qmp_sock, self._qga_sock]
 
     def qemu_set_smp(self, cpus, cores, threads, sockets):
         """Set SMP option for QEMU
@@ -182,7 +184,7 @@ class QemuUtils(object):
         :param socket: Path of the unix socket.
         :param server: If True the socket shall be a listening socket.
         :param mac: Vhost-user interface MAC address (optional, otherwise is
-            used autogenerated MAC 52:54:00:00:04:xx).
+            used auto-generated MAC 52:54:00:00:xx:yy).
         :type socket: str
         :type server: bool
         :type mac: str
@@ -198,10 +200,12 @@ class QemuUtils(object):
         netdev = ' -netdev vhost-user,id=vhost{0},chardev=char{0},'\
             'queues={1}'.format(self._vhost_id, self._qemu_opt['queues'])
         self._qemu_opt['options'] += netdev
-        # If MAC is not specified use autogenerated 52:54:00:00:04:<vhost_id>
-        # e.g. vhost1 MAC is 52:54:00:00:04:01
+        # If MAC is not specified use auto-generated MAC address based on
+        # template 52:54:00:00:<qemu_id>:<vhost_id>, e.g. vhost1 MAC of QEMU
+        #  with ID 1 is 52:54:00:00:01:01
         if mac is None:
-            mac = '52:54:00:00:04:{0:02x}'.format(self._vhost_id)
+            mac = '52:54:00:00:{0:02x}:{1:02x}'.\
+                format(self._qemu_id, self._vhost_id)
         extend_options = 'mq=on,csum=off,gso=off,guest_tso4=off,'\
             'guest_tso6=off,guest_ecn=off,mrg_rxbuf=off'
         # Create Virtio network device.
@@ -229,7 +233,7 @@ class QemuUtils(object):
         # To enter command mode, the qmp_capabilities command must be issued.
         qmp_cmd = 'echo "{ \\"execute\\": \\"qmp_capabilities\\" }' \
                   '{ \\"execute\\": \\"' + cmd + \
-                  '\\" }" | sudo -S socat - UNIX-CONNECT:' + self.__QMP_SOCK
+                  '\\" }" | sudo -S socat - UNIX-CONNECT:' + self._qmp_sock
 
         (ret_code, stdout, stderr) = self._ssh.exec_command(qmp_cmd)
         if int(ret_code) != 0:
@@ -248,7 +252,7 @@ class QemuUtils(object):
         """Flush the QGA parser state
         """
         qga_cmd = '(printf "\xFF"; sleep 1) | sudo -S socat - UNIX-CONNECT:' + \
-                  self.__QGA_SOCK
+                  self._qga_sock
         #TODO: probably need something else
         (ret_code, stdout, stderr) = self._ssh.exec_command(qga_cmd)
         if int(ret_code) != 0:
@@ -272,7 +276,7 @@ class QemuUtils(object):
         qga_cmd = '(echo "{ \\"execute\\": \\"' + \
                   cmd + \
                   '\\" }"; sleep 1) | sudo -S socat - UNIX-CONNECT:' + \
-                  self.__QGA_SOCK
+                  self._qga_sock
         (ret_code, stdout, stderr) = self._ssh.exec_command(qga_cmd)
         if int(ret_code) != 0:
             logger.debug('QGA execute failed {0}'.format(stderr))
@@ -495,22 +499,22 @@ class QemuUtils(object):
             'share=on -m {0} -numa node,memdev=mem'.format(
                 self._qemu_opt.get('mem_size'), self._qemu_opt.get('huge_mnt'))
 
-        # By default check only if hugepages are availbale.
+        # By default check only if hugepages are available.
         # If 'huge_allocate' is set to true try to allocate as well.
         self._huge_page_check(allocate=self._qemu_opt.get('huge_allocate'))
 
         # Disk option
-        drive = '-drive file={},format=raw,cache=none,if=virtio'.format(
+        drive = '-drive file={0},format=raw,cache=none,if=virtio'.format(
             self._qemu_opt.get('disk_image'))
         # Setup QMP via unix socket
-        qmp = '-qmp unix:{0},server,nowait'.format(self.__QMP_SOCK)
+        qmp = '-qmp unix:{0},server,nowait'.format(self._qmp_sock)
         # Setup serial console
         serial = '-chardev socket,host=127.0.0.1,port={0},id=gnc0,server,' \
             'nowait -device isa-serial,chardev=gnc0'.format(
                 self._qemu_opt.get('serial_port'))
         # Setup QGA via chardev (unix socket) and isa-serial channel
-        qga = '-chardev socket,path=/tmp/qga.sock,server,nowait,id=qga0 ' \
-            '-device isa-serial,chardev=qga0'
+        qga = '-chardev socket,path={0},server,nowait,id=qga0 ' \
+            '-device isa-serial,chardev=qga0'.format(self._qga_sock)
         # Graphic setup
         graphic = '-monitor none -display none -vga none'
 

diff --git a/resources/libraries/robot/default.robot b/resources/libraries/robot/default.robot
index e3e9309..88d9d04 100644 (file)
--- a/resources/libraries/robot/default.robot
+++ b/resources/libraries/robot/default.robot
@@ -20,6 +20,7 @@
 | Library | resources.libraries.python.DUTSetup
 | Library | resources.libraries.python.SchedUtils
 | Library | resources.libraries.python.TGSetup
+| Library | resources.libraries.python.L2Util
 | Library | resources/libraries/python/VppConfigGenerator.py
 | Library | resources/libraries/python/VppCounters.py
 | Library | Collections
@@ -64,6 +65,13 @@
 | | :FOR | ${dut} | IN | @{duts}
 | | | Vpp Show Vhost | ${nodes['${dut}']}
 
+| Show Bridge Domain Data On All DUTs
+| | [Documentation] | Show Bridge Domain data on all DUTs.
+| | ...
+| | ${duts}= | Get Matches | ${nodes} | DUT*
+| | :FOR | ${dut} | IN | @{duts}
+| | | Vpp Get Bridge Domain Data | ${nodes['${dut}']}
+
 | Setup Scheduler Policy for Vpp On All DUTs
 | | [Documentation] | Set realtime scheduling policy (SCHED_RR) with priority 1
 | | ... | on all VPP worker threads on all DUTs.

diff --git a/resources/libraries/robot/performance.robot b/resources/libraries/robot/performance.robot
index a43972a..59ed57a 100644 (file)
--- a/resources/libraries/robot/performance.robot
+++ b/resources/libraries/robot/performance.robot
@@ -705,6 +705,50 @@
 | | Interface is added to bridge domain | ${dut2} | ${vhost_if2} | ${bd_id2}
 | | All Vpp Interfaces Ready Wait | ${nodes}
 
+| L2 bridge domains with Vhost-User for '${nr}' VMs initialized in a 3-node circular topology
+| | [Documentation]
+| | ... | Create pairs of Vhost-User interfaces for defined number of VMs on all
+| | ... | defined VPP nodes. Add each Vhost-User interface into L2 bridge
+| | ... | domains with learning enabled with physical inteface or Vhost-User
+| | ... | interface of another VM.
+| | ...
+| | ... | *Arguments:*
+| | ... | _None_
+| | ...
+| | ... | *Note:*
+| | ... | Socket paths for VM are defined in following format:
+| | ... | - /tmp/sock-${VM_ID}-1
+| | ... | - /tmp/sock-${VM_ID}-2
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| L2 bridge domains with Vhost-User for '2' VMs initialized in \
+| | ... | a 3-node circular topology \|
+| | ...
+| | ${bd_id2}= | Evaluate | ${nr}+1
+| | Interface is added to bridge domain | ${dut1} | ${dut1_if1} | ${1}
+| | Interface is added to bridge domain | ${dut1} | ${dut1_if2} | ${bd_id2}
+| | Interface is added to bridge domain | ${dut2} | ${dut2_if1} | ${1}
+| | Interface is added to bridge domain | ${dut2} | ${dut2_if2} | ${bd_id2}
+| | :FOR | ${number} | IN RANGE | 1 | ${nr}+1
+| |      | ${sock1}= | Set Variable | /tmp/sock-${number}-1
+| |      | ${sock2}= | Set Variable | /tmp/sock-${number}-2
+| |      | VPP Vhost interfaces for L2BD forwarding are setup | ${dut1}
+| |      | ... | ${sock1} | ${sock2} | dut1-vhost-${number}-if1
+| |      | ... | dut1-vhost-${number}-if2
+| |      | ${bd_id2}= | Evaluate | ${number}+1
+| |      | Interface is added to bridge domain | ${dut1}
+| |      | ... | ${dut1-vhost-${number}-if1} | ${number}
+| |      | Interface is added to bridge domain | ${dut1}
+| |      | ... | ${dut1-vhost-${number}-if2} | ${bd_id2}
+| |      | VPP Vhost interfaces for L2BD forwarding are setup | ${dut2}
+| |      | ... | ${sock1} | ${sock2} | dut2-vhost-${number}-if1
+| |      | ... | dut2-vhost-${number}-if2
+| |      | Interface is added to bridge domain | ${dut2}
+| |      | ... | ${dut2-vhost-${number}-if1} | ${number}
+| |      | Interface is added to bridge domain | ${dut2}
+| |      | ... | ${dut2-vhost-${number}-if2} | ${bd_id2}
+
 | L2 bridge domain with VXLANoIPv4 initialized in a 3-node circular topology
 | | [Documentation]
 | | ... | Setup L2 bridge domain topology with VXLANoIPv4 by connecting
@@ -1420,24 +1464,35 @@
 | | ... | - sock1 - Socket path for first Vhost-User interface. Type: string
 | | ... | - sock2 - Socket path for second Vhost-User interface. Type: string
 | | ... | - vm_name - QemuUtil instance name. Type: string
-| | ... | - skip - number of cpus which will be skipped. Type: int
-| | ... | - count - number of cpus which will be allocated for qemu. Type: int
+| | ... | - skip - Number of cpus which will be skipped. Type: integer
+| | ... | - count - Number of cpus which will be allocated for qemu.
+| | ... | Type: integer
+| | ... | - qemu_id - Qemu Id when starting more then one guest VM on DUT node.
+| | ... | Type: integer
 | | ...
 | | ... | *Example:*
 | | ...
 | | ... | \| Guest VM with dpdk-testpmd connected via vhost-user is setup \
 | | ... | \| ${nodes['DUT1']} \| /tmp/sock1 \| /tmp/sock2 \| DUT1_VM \| ${6} \
 | | ... | \| ${5} \|
+| | ... | \| Guest VM with dpdk-testpmd connected via vhost-user is setup \
+| | ... | \| ${nodes['DUT1']} \| /tmp/sock-2-1 \| /tmp/sock-2-2 \| DUT1_VM2 \
+| | ... | \| qemu_id=${2} \|
 | | ...
 | | [Arguments] | ${dut_node} | ${sock1} | ${sock2} | ${vm_name} | ${skip}=${6}
-| | ... | ${count}=${5}
+| | ... | ${count}=${5} | ${qemu_id}=${1}
 | | ...
-| | Import Library | resources.libraries.python.QemuUtils
+| | Import Library | resources.libraries.python.QemuUtils | qemu_id=${qemu_id}
 | | ... | WITH NAME | ${vm_name}
+| | ${serial_port}= | Evaluate | ${qemu_id} + ${4555}
+| | Run keyword | ${vm_name}.Qemu Set Serial Port | ${serial_port}
+| | ${ssh_fwd_port}= | Evaluate | ${qemu_id} + ${10021}
+| | Run keyword | ${vm_name}.Qemu Set Ssh Fwd Port | ${ssh_fwd_port}
 | | ${dut_numa}= | Get interfaces numa node | ${dut_node}
 | | ... | ${dut1_if1} | ${dut1_if2}
+| | ${skip_cnt}= | Evaluate | ${skip} + (${qemu_id} - 1) * ${count}
 | | ${qemu_cpus}= | Cpu slice of list per node | ${dut_node} | ${dut_numa}
-| | ... | skip_cnt=${skip} | cpu_cnt=${count} | smt_used=${False}
+| | ... | skip_cnt=${skip_cnt} | cpu_cnt=${count} | smt_used=${False}
 | | Run keyword | ${vm_name}.Qemu Add Vhost User If | ${sock1}
 | | Run keyword | ${vm_name}.Qemu Add Vhost User If | ${sock2}
 | | Run keyword | ${vm_name}.Qemu Set Node | ${dut_node}
@@ -1451,6 +1506,37 @@
 | | ... | pmd_fwd_mode=io | pmd_disable_hw_vlan=${True}
 | | Return From Keyword | ${vm}
 
+| '${nr}' Guest VMs with dpdk-testpmd connected via vhost-user is setup in a 3-node circular topology
+| | [Documentation]
+| | ... | Start QEMU guests with two vhost-user interfaces and interconnecting
+| | ... | DPDK testpmd for defined number of VMs on all defined VPP nodes.
+| | ...
+| | ... | *Arguments:*
+| | ... | _None_
+| | ...
+| | ... | _NOTE:_ This KW expects following test case variables to be set:
+| | ... | - ${system_cpus} - Number of CPUs allocated for OS itself.
+| | ... | - ${vpp_cpus} - Number of CPUs allocated for VPP.
+| | ... | - ${vm_cpus} - Number of CPUs to be allocated per QEMU instance.
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| '2' Guest VM with dpdk-testpmd connected via vhost-user is setup \
+| | ... | in a 3-node circular topology \|
+| | ...
+| | :FOR | ${number} | IN RANGE | 1 | ${nr}+1
+| |      | ${sock1}= | Set Variable | /tmp/sock-${number}-1
+| |      | ${sock2}= | Set Variable | /tmp/sock-${number}-2
+| |      | ${skip_cpus}= | Evaluate | ${vpp_cpus}+${system_cpus}
+| |      | ${vm1}= | Guest VM with dpdk-testpmd connected via vhost-user is setup
+| |      | ...     | ${dut1} | ${sock1} | ${sock2} | DUT1_VM${number}
+| |      | ...     | skip=${skip_cpus} | count=${vm_cpus} | qemu_id=${number}
+| |      | Set To Dictionary | ${dut1_vm_refs} | DUT1_VM${number} | ${vm1}
+| |      | ${vm2}= | Guest VM with dpdk-testpmd connected via vhost-user is setup
+| |      | ...     | ${dut2} | ${sock1} | ${sock2} | DUT2_VM${number}
+| |      | ...     | skip=${skip_cpus} | count=${vm_cpus} | qemu_id=${number}
+| |      | Set To Dictionary | ${dut2_vm_refs} | DUT2_VM${number} | ${vm2}
+
 | Guest VM with dpdk-testpmd using SMT connected via vhost-user is setup
 | | [Documentation]
 | | ... | Start QEMU guest with two vhost-user interfaces and interconnecting
@@ -1686,7 +1772,7 @@
 | | ... | Stop all qemu processes with dpdk-testpmd running on ${dut_node}.
 | | ... | Argument is dictionary of all qemu nodes running with its names.
 | | ... | Dpdk-testpmd is stopped gracefully with printing stats.
-| | ... |
+| | ...
 | | ... | *Arguments:*
 | | ... | - dut_node - Node where to clean qemu. Type: dictionary
 | | ... | - dut_vm_refs - VM references on node. Type: dictionary
@@ -1697,18 +1783,21 @@
 | | ... | \| ${dut_vm_refs} \|
 | | ...
 | | [Arguments] | ${dut_node} | ${dut_vm_refs}
+| | ${vms_number}= | Get Length | ${dut_vm_refs}
+| | ${index}= | Set Variable | ${0}
 | | :FOR | ${vm_name} | IN | @{dut_vm_refs}
 | | | ${vm}= | Get From Dictionary | ${dut_vm_refs} | ${vm_name}
+| | | ${index}= | Evaluate | ${index} + 1
 | | | Dpdk Testpmd Stop | ${vm}
 | | | Run Keyword | ${vm_name}.Qemu Set Node | ${dut_node}
-| | | Run Keyword | ${vm_name}.Qemu Kill
 | | | Run Keyword | ${vm_name}.Qemu Clear Socks
+| | | Run Keyword If | '${index}' == '${vms_number}' | ${vm_name}.Qemu Kill
 
 | Guest VM Teardown
 | | [Documentation]
 | | ... | Stop all qemu processes running on ${dut_node}.
 | | ... | Argument is dictionary of all qemu nodes running with its names.
-| | ... |
+| | ...
 | | ... | *Arguments:*
 | | ... | - dut_node - Node where to clean qemu. Type: dictionary
 | | ... | - dut_vm_refs - VM references on node. Type: dictionary
@@ -1719,11 +1808,14 @@
 | | ... | \| ${dut_vm_refs} \|
 | | ...
 | | [Arguments] | ${dut_node} | ${dut_vm_refs}
+| | ${vms_number}= | Get Length | ${dut_vm_refs}
+| | ${index}= | Set Variable | ${0}
 | | :FOR | ${vm_name} | IN | @{dut_vm_refs}
 | | | ${vm}= | Get From Dictionary | ${dut_vm_refs} | ${vm_name}
+| | | ${index}= | Evaluate | ${index} + 1
 | | | Run Keyword | ${vm_name}.Qemu Set Node | ${dut_node}
-| | | Run Keyword | ${vm_name}.Qemu Kill
 | | | Run Keyword | ${vm_name}.Qemu Clear Socks
+| | | Run Keyword If | '${index}' == '${vms_number}' | ${vm_name}.Qemu Kill
 
 | Lisp IPv4 forwarding initialized in a 3-node circular topology
 | | [Documentation] | Custom setup of IPv4 addresses on all DUT nodes and TG \

diff --git a/tests/perf/10ge2p1x520-eth-l2bdbasemaclrn-eth-2vhost-1vm-ndrdisc.robot b/tests/perf/10ge2p1x520-eth-l2bdbasemaclrn-eth-2vhost-1vm-ndrdisc.robot
index bfeca46..e77d5fb 100644 (file)
--- a/tests/perf/10ge2p1x520-eth-l2bdbasemaclrn-eth-2vhost-1vm-ndrdisc.robot
+++ b/tests/perf/10ge2p1x520-eth-l2bdbasemaclrn-eth-2vhost-1vm-ndrdisc.robot
@@ -247,6 +247,7 @@
 | | ${dut2_vm_refs}= | Create Dictionary
 | | 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 bridge domains with Vhost-User initialized in a 3-node circular topology
 | | ...   | ${bd_id1} | ${bd_id2} | ${sock1} | ${sock2}

diff --git a/tests/perf/10ge2p1x520-eth-l2bdbasemaclrn-eth-4vhost-2vm-ndrpdrdisc.robot b/tests/perf/10ge2p1x520-eth-l2bdbasemaclrn-eth-4vhost-2vm-ndrpdrdisc.robot
new file mode 100644 (file)
index 0000000..320b1c0
--- /dev/null
+++ b/tests/perf/10ge2p1x520-eth-l2bdbasemaclrn-eth-4vhost-2vm-ndrpdrdisc.robot
@@ -0,0 +1,564 @@
+# 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.QemuUtils
+| Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDRDISC
+| ...        | NIC_Intel-X520-DA2 | ETH | L2BDMACLRN | 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 | Setup all DUTs before test
+| Test Teardown | Run Keywords
+| ... | Show Bridge Domain Data On All DUTs
+| ... | AND | Performance test with vhost and VM with dpdk-testpmd teardown
+| ...       | ${min_rate}pps | ${framesize} | 3-node-bridge
+| ...       | dut1_node=${dut1} | dut1_vm_refs=${dut1_vm_refs}
+| ...       | dut2_node=${dut2} | dut2_vm_refs=${dut2_vm_refs}
+| Documentation | *RFC2544: Pkt throughput L2BD 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.
+| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with L2 bridge-
+| ... | domains and MAC learning enabled. 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-l2bdbasemaclrn-eth-4vhost-2vm-ndrdisc
+| | [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 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 bridge domains with Vhost-User for '2' VMs 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-bridge
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+
+| tc02-64B-1t1c-eth-l2bdbasemaclrn-eth-4vhost-2vm-pdrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD 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 bridge domains with Vhost-User for '2' VMs 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-bridge
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+| | ...   | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}
+
+| tc03-1518B-1t1c-eth-l2bdbasemaclrn-eth-4vhost-2vm-ndrdisc
+| | [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 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 bridge domains with Vhost-User for '2' VMs 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-bridge
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+
+| tc04-1518B-1t1c-eth-l2bdbasemaclrn-eth-4vhost-2vm-pdrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD 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 bridge domains with Vhost-User for '2' VMs 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-bridge
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+| | ...   | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}
+
+| tc05-IMIX-1t1c-eth-l2bdbasemaclrn-eth-4vhost-2vm-ndrdisc
+| | [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 10GE linerate, step 5kpps.
+| | ... | 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 bridge domains with Vhost-User for '2' VMs 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-bridge
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+
+| tc06-IMIX-1t1c-eth-l2bdbasemaclrn-eth-4vhost-2vm-pdrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD 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%.
+| | ... | 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 bridge domains with Vhost-User for '2' VMs 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-bridge
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+| | ...   | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}
+
+| tc07-64B-2t2c-eth-l2bdbasemaclrn-eth-4vhost-2vm-ndrdisc
+| | [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 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 bridge domains with Vhost-User for '2' VMs 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-bridge
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+
+| tc08-64B-2t2c-eth-l2bdbasemaclrn-eth-4vhost-2vm-pdrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD 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 bridge domains with Vhost-User for '2' VMs 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-bridge
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+| | ...   | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}
+
+| tc09-1518B-2t2c-eth-l2bdbasemaclrn-eth-4vhost-2vm-ndrdisc
+| | [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 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 bridge domains with Vhost-User for '2' VMs 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-bridge
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+
+| tc10-1518B-2t2c-eth-l2bdbasemaclrn-eth-4vhost-2vm-pdrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD 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 bridge domains with Vhost-User for '2' VMs 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-bridge
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+| | ...   | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}
+
+| tc11-IMIX-2t2c-eth-l2bdbasemaclrn-eth-4vhost-2vm-ndrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD 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.
+| | ... | 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 bridge domains with Vhost-User for '2' VMs 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-bridge
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+
+| tc12-IMIX-2t2c-eth-l2bdbasemaclrn-eth-4vhost-2vm-pdrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD 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%.
+| | ... | 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 bridge domains with Vhost-User for '2' VMs 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-bridge
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+| | ...   | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}
+
+| tc13-64B-4t4c-eth-l2bdbasemaclrn-eth-4vhost-2vm-ndrdisc
+| | [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 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 bridge domains with Vhost-User for '2' VMs 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-bridge
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+
+| tc14-64B-4t4c-eth-l2bdbasemaclrn-eth-4vhost-2vm-pdrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD 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 bridge domains with Vhost-User for '2' VMs 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-bridge
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+| | ...   | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}
+
+| tc15-1518B-4t4c-eth-l2bdbasemaclrn-eth-4vhost-2vm-ndrdisc
+| | [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 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 bridge domains with Vhost-User for '2' VMs 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-bridge
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+
+| tc16-1518B-4t4c-eth-l2bdbasemaclrn-eth-4vhost-2vm-pdrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD 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 bridge domains with Vhost-User for '2' VMs 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-bridge
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+| | ...   | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}
+
+| tc17-IMIX-4t4c-eth-l2bdbasemaclrn-eth-4vhost-2vm-ndrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD 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.
+| | ... | 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 bridge domains with Vhost-User for '2' VMs 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-bridge
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+
+| tc18-IMIX-4t4c-eth-l2bdbasemaclrn-eth-4vhost-2vm-pdrdisc
+| | [Documentation]
+| | ... | [Cfg] DUT runs L2BD 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%.
+| | ... | 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 bridge domains with Vhost-User for '2' VMs 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-bridge
+| | ...   | ${min_rate} | ${max_rate} | ${threshold}
+| | ...   | ${perf_pdr_loss_acceptance} | ${perf_pdr_loss_acceptance_type}