# Copyright (c) 2023 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 | ETH | IP4FWD | SCALE | IP4BASE | DRV_VFIO_PCI | ... | UDP | UDP_CPS | HOSTS_262144 | RXQ_SIZE_0 | TXQ_SIZE_0 | ... | ethip4udp-ip4base-h262144-p63-s16515072-cps | | Suite Setup | Setup suite topology interfaces | performance | Suite Teardown | Tear down suite | performance | Test Setup | Setup test | performance | Test Teardown | Tear down test | performance | | Test Template | Local Template | | Documentation | **CPS on empty UDP transactions with IPv4 routing** | ... | | ... | - **[Top] Network Topologies:** TG-DUT1-TG 2-node circular topology \ | ... | with single links between nodes. | ... | | ... | - **[Enc] Packet Encapsulations:** Eth-IPv4-UDP for IPv4 routing. | ... | | ... | - **[Cfg] DUT configuration:** DUT1 is configured with IPv4. \ | ... | routing and two static IPv4 /14 route entries. DUT1 is tested with \ | ... | with ${nic_name}. | ... | | ... | - **[Ver] TG verification:** TG finds and reports throughput NDR (Non \ | ... | Drop Rate) with zero packet loss tolerance and throughput PDR \ | ... | (Partial Drop Rate) with non-zero packet loss tolerance (LT) \ | ... | expressed in percentage of packets transmitted. NDR and PDR are \ | ... | discovered for different Ethernet L2 frame sizes using MLRsearch \ | ... | library. | ... | Test packets are generated by TG on links to DUTs. TG traffic profile \ | ... | contain L7 flows (${cps} bi-directional UDP flows) with all packets \ | ... | containing Ethernet header, IPv4 header with UDP header 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 | ${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}= | L7 | ${overhead}= | ${0} # Scale settings | ${n_hosts}= | ${262144} | ${n_ports}= | ${63} | ${transaction_scale}= | ${${n_hosts} * ${n_ports}} # Traffic profile | ${traffic_profile}= | trex-astf-ethip4udp-${n_hosts}h | ${transaction_type}= | udp_cps | ${disable_latency}= | ${True} *** Keywords *** | Local Template | | [Documentation] | | ... | - **[Cfg]** DUT runs IPv4 routing config. \ | | ... | Each DUT 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} | | ${pre_stats}= | Create List | | ... | vpp-clear-stats | vpp-enable-packettrace | vpp-enable-elog | | ... | vpp-clear-runtime | | Set Test Variable | ${pre_stats} | | ${post_stats}= | Create List | | ... | vpp-show-stats | vpp-show-packettrace | vpp-show-elog | | ... | vpp-show-runtime | | Set Test Variable | ${post_stats} | | | | 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 IPv4 forwarding in circular topology | | ... | 172.16.0.0 | 20.16.0.0 | ${14} | | Then Find NDR and PDR intervals using optimized search *** Test Cases *** | 64B-1c-ethip4udp-ip4base-h262144-p63-s16515072-cps-ndrpdr | | [Tags] | 64B | 1C | | frame_size=${64} | phy_cores=${1} | 64B-2c-ethip4udp-ip4base-h262144-p63-s16515072-cps-ndrpdr | | [Tags] | 64B | 2C | | frame_size=${64} | phy_cores=${2} | 64B-4c-ethip4udp-ip4base-h262144-p63-s16515072-cps-ndrpdr | | [Tags] | 64B | 4C | | frame_size=${64} | phy_cores=${4}