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# Copyright (c) 2024 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
| Resource | resources/libraries/robot/features/dma.robot
|
| Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR
| ... | NIC_Intel-X710 | DOT1Q | L2BDMACLRN | BASE | MEMIF | DOCKER | DMA
| ... | DRV_VFIO_PCI
| ... | RXQ_SIZE_0 | TXQ_SIZE_0
| ... | dot1q-l2bdbasemaclrn-eth-2memif-dma-1dcr
|
| Suite Setup | Setup suite topology interfaces | performance
| Suite Teardown | Tear down suite | performance
| Test Setup | Setup test | performance
| Test Teardown | Tear down test | performance | container
|
| Test Template | Local Template
|
| Documentation | **RFC2544: Pkt throughput L2BD with memif and 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 bridge domain. IEEE \
| ... | 802.1Q tagging is applied on link between DUT1-if2 and TG-if2.
| ... |
| ... | - **[Cfg] DUT configuration:** DUT1 is configured with two L2 bridge \
| ... | domains and MAC learning enabled. Container is connected to VPP via \
| ... | Memif interface. Container is running same VPP version as running \
| ... | on DUT. Container is limited via cgroup to use 3 cores allocated from \
| ... | pool of isolated CPUs. There are no memory constraints. 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 DUT1. 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 the TG node interfaces.
| ... |
| ... | - **[Ref] Applicable standard specifications:** RFC2544.
*** Variables ***
| @{plugins_to_enable}= | dpdk_plugin.so | perfmon_plugin.so | memif_plugin.so
| ${crypto_type}= | ${None}
| ${nic_name}= | Intel-X710
| ${nic_driver}= | vfio-pci
| ${nic_rxq_size}= | 0
| ${nic_txq_size}= | 0
| ${nic_pfs}= | 2
| ${nic_vfs}= | 0
| ${osi_layer}= | L2
| ${overhead}= | ${4}
| ${subid}= | 10
| ${tag_rewrite}= | pop-1
| ${bd_id1}= | 1
| ${bd_id2}= | 2
| ${heap_size_mult}= | ${2}
#| ${page_size}= | 1G
# Traffic profile:
| ${traffic_profile}= | trex-stl-dot1qip4asym-ip4src254
# Container
| ${container_engine}= | Docker
| ${container_chain_topology}= | chain_dma
*** Keywords ***
| Local Template
| | [Documentation]
| | ... | - **[Cfg]** Each DUT runs L2BD 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 | ${nic_driver}
| | And Initialize layer interface
| | And Enable DMA WQs on all DUTs
| | And Start containers for test
| | ... | nf_chains=${1} | nf_nodes=${1} | auto_scale=${True}
| | ... | pinning=${True}
| | Initialize L2 Bridge Domain with memif pairs and VLAN in circular topology
| | ... | ${bd_id1} | ${bd_id2} | ${subid} | ${tag_rewrite}
| | Then Find NDR and PDR intervals using optimized search
*** Test Cases ***
| 64B-1c-dot1q-l2bdbasemaclrn-eth-2memif-dma-1dcr-ndrpdr
| | [Tags] | 64B | 1C
| | frame_size=${64} | phy_cores=${1}
| 64B-2c-dot1q-l2bdbasemaclrn-eth-2memif-dma-1dcr-ndrpdr
| | [Tags] | 64B | 2C
| | frame_size=${64} | phy_cores=${2}
| 64B-4c-dot1q-l2bdbasemaclrn-eth-2memif-dma-1dcr-ndrpdr
| | [Tags] | 64B | 4C
| | frame_size=${64} | phy_cores=${4}
| 1518B-1c-dot1q-l2bdbasemaclrn-eth-2memif-dma-1dcr-ndrpdr
| | [Tags] | 1518B | 1C
| | frame_size=${1518} | phy_cores=${1}
| 1518B-2c-dot1q-l2bdbasemaclrn-eth-2memif-dma-1dcr-ndrpdr
| | [Tags] | 1518B | 2C
| | frame_size=${1518} | phy_cores=${2}
| 1518B-4c-dot1q-l2bdbasemaclrn-eth-2memif-dma-1dcr-ndrpdr
| | [Tags] | 1518B | 4C
| | frame_size=${1518} | phy_cores=${4}
| 9000B-1c-dot1q-l2bdbasemaclrn-eth-2memif-dma-1dcr-ndrpdr
| | [Tags] | 9000B | 1C
| | frame_size=${9000} | phy_cores=${1}
| 9000B-2c-dot1q-l2bdbasemaclrn-eth-2memif-dma-1dcr-ndrpdr
| | [Tags] | 9000B | 2C
| | frame_size=${9000} | phy_cores=${2}
| 9000B-4c-dot1q-l2bdbasemaclrn-eth-2memif-dma-1dcr-ndrpdr
| | [Tags] | 9000B | 4C
| | frame_size=${9000} | phy_cores=${4}
| IMIX-1c-dot1q-l2bdbasemaclrn-eth-2memif-dma-1dcr-ndrpdr
| | [Tags] | IMIX | 1C
| | frame_size=IMIX_v4_1 | phy_cores=${1}
| IMIX-2c-dot1q-l2bdbasemaclrn-eth-2memif-dma-1dcr-ndrpdr
| | [Tags] | IMIX | 2C
| | frame_size=IMIX_v4_1 | phy_cores=${2}
| IMIX-4c-dot1q-l2bdbasemaclrn-eth-2memif-dma-1dcr-ndrpdr
| | [Tags] | IMIX | 4C
| | frame_size=IMIX_v4_1 | phy_cores=${4}
|
