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+# Copyright (c) 2020 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/shared/default.robot
+|
+| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
+| ... | NIC_Intel-X710 | DOT1Q | L2XCFWD | BASE | VHOST | 1VM | VHOST_1024
+| ... | NF_VPPL2XC | DRV_VFIO_PCI
+| ... | dot1q-l2xcbase-eth-2vhostvr1024-1vm-vppl2xc
+|
+| Suite Setup | Setup suite single link | performance
+| Suite Teardown | Tear down suite | performance
+| Test Setup | Setup test
+| Test Teardown | Tear down test | performance | vhost
+|
+| Test Template | Local Template
+|
+| Documentation | *RFC2544: Pkt throughput L2XC with vhost abd IEEE 802.1Q test
+| ... | cases*
+|
+| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology with\
+| ... | single links between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4 for L2 cross connect of IPv4.\
+| ... | IEEE 802.1Q tagging is applied on link between DUT1-if2 and TG-if2.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured with L2 cross connect and\
+| ... | MAC learning enabled. Qemu VNFs are connected to VPP via\
+| ... | vhost-user interfaces. Guest is running VPP l2xc interconnecting \
+| ... | vhost-user interfaces, rxd/txd=1024. DUT1 is tested with ${nic_name}.
+| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
+| ... | Rate) with zero packet loss tolerance and 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 MLRsearch library.\
+| ... | Test packets are generated by TG on links to DUTs. TG traffic profile\
+| ... | contains two L3 flow-groups (flow-group per direction, 254 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 NFs nodes interfaces.
+| ... | *[Ref] Applicable standard specifications:* RFC2544.
+
+*** Variables ***
+| @{plugins_to_enable}= | dpdk_plugin.so
+| ${crypto_type}= | ${None}
+| ${nic_name}= | Intel-X710
+| ${nic_driver}= | vfio-pci
+| ${osi_layer}= | L2
+| ${overhead}= | ${4}
+| ${subid}= | 10
+| ${tag_rewrite}= | pop-1
+| ${nf_dtcr}= | ${1}
+| ${nf_dtc}= | ${1}
+| ${nf_chains}= | ${1}
+| ${nf_nodes}= | ${1}
+# Traffic profile:
+| ${traffic_profile}= | trex-sl-2n-dot1qip4asym-ip4src254
+
+*** Keywords ***
+| Local Template
+| | [Documentation]
+| | ... | [Cfg] Each DUT runs L2XC switching with VLAN and uses ${phy_cores}\
+| | ... | physical core(s) for worker threads.
+| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
+| |
+| | ... | *Arguments:*
+| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
+| | ... | Type: integer, string
+| | ... | - phy_cores - Number of physical cores. Type: integer
+| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
+| |
+| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
+| |
+| | Set Test Variable | \${frame_size}
+| |
+| | Given Set Max Rate And Jumbo
+| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
+| | And Pre-initialize layer driver | ${nic_driver}
+| | And Apply startup configuration on all VPP DUTs
+| | When Initialize layer driver | ${nic_driver}
+| | And Initialize layer interface
+| | And Initialize L2 xconnect with Vhost-User and VLAN in circular topology
+| | ... | ${subid} | ${tag_rewrite}
+| | And Configure chains of NFs connected via vhost-user
+| | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes} | jumbo=${jumbo}
+| | ... | use_tuned_cfs=${False} | auto_scale=${True} | vnf=vpp_chain_l2xc
+| | Then Find NDR and PDR intervals using optimized search
+
+*** Test Cases ***
+| tc01-64B-1c-dot1q-l2xcbase-eth-2vhostvr1024-1vm-vppl2xc-ndrpdr
+| | [Tags] | 64B | 1C
+| | frame_size=${64} | phy_cores=${1}
+
+| tc02-64B-2c-dot1q-l2xcbase-eth-2vhostvr1024-1vm-vppl2xc-ndrpdr
+| | [Tags] | 64B | 2C
+| | frame_size=${64} | phy_cores=${2}
+
+| tc03-64B-4c-dot1q-l2xcbase-eth-2vhostvr1024-1vm-vppl2xc-ndrpdr
+| | [Tags] | 64B | 4C
+| | frame_size=${64} | phy_cores=${4}
+
+| tc04-1518B-1c-dot1q-l2xcbase-eth-2vhostvr1024-1vm-vppl2xc-ndrpdr
+| | [Tags] | 1518B | 1C
+| | frame_size=${1518} | phy_cores=${1}
+
+| tc05-1518B-2c-dot1q-l2xcbase-eth-2vhostvr1024-1vm-vppl2xc-ndrpdr
+| | [Tags] | 1518B | 2C
+| | frame_size=${1518} | phy_cores=${2}
+
+| tc06-1518B-4c-dot1q-l2xcbase-eth-2vhostvr1024-1vm-vppl2xc-ndrpdr
+| | [Tags] | 1518B | 4C
+| | frame_size=${1518} | phy_cores=${4}
+
+| tc07-9000B-1c-dot1q-l2xcbase-eth-2vhostvr1024-1vm-vppl2xc-ndrpdr
+| | [Tags] | 9000B | 1C
+| | frame_size=${9000} | phy_cores=${1}
+
+| tc08-9000B-2c-dot1q-l2xcbase-eth-2vhostvr1024-1vm-vppl2xc-ndrpdr
+| | [Tags] | 9000B | 2C
+| | frame_size=${9000} | phy_cores=${2}
+
+| tc09-9000B-4c-dot1q-l2xcbase-eth-2vhostvr1024-1vm-vppl2xc-ndrpdr
+| | [Tags] | 9000B | 4C
+| | frame_size=${9000} | phy_cores=${4}
+
+| tc10-IMIX-1c-dot1q-l2xcbase-eth-2vhostvr1024-1vm-vppl2xc-ndrpdr
+| | [Tags] | IMIX | 1C
+| | frame_size=IMIX_v4_1 | phy_cores=${1}
+
+| tc11-IMIX-2c-dot1q-l2xcbase-eth-2vhostvr1024-1vm-vppl2xc-ndrpdr
+| | [Tags] | IMIX | 2C
+| | frame_size=IMIX_v4_1 | phy_cores=${2}
+
+| tc12-IMIX-4c-dot1q-l2xcbase-eth-2vhostvr1024-1vm-vppl2xc-ndrpdr
+| | [Tags] | IMIX | 4C
+| | frame_size=IMIX_v4_1 | phy_cores=${4}