# Copyright (c) 2018 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/performance_setup.robot | ... | Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR | ... | NIC_Intel-XXV710 | ETH | IP4FWD | BASE | DOT1Q | IP4BASE | ... | Suite Setup | Set up 2-node performance topology with DUT's NIC model | ... | L3 | Intel-XXV710 | ... | Suite Teardown | Tear down 2-node performance topology | ... | Test Setup | Set up performance test | ... | Test Teardown | Tear down performance discovery test | ${min_rate}pps | ... | ${framesize} | ${traffic_profile} | ... | Test Template | Local Template | ... | Documentation | *RFC2544: Pkt throughput IPv4 routing with 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 IPv4 routing. IEEE 802.1Q\ | ... | tagging is applied on link between DUT1-if2 and TG-if2. | ... | *[Cfg] DUT configuration:* DUT1 is configured with IPv4 routing and\ | ... | two static IPv4 /30 route entries. DUT1 is tested with 2p25GE NIC\ | ... | XXV710 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 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 *** | ${subid}= | 10 | ${tag_rewrite}= | pop-1 | ${overhead}= | ${4} # XXV710-DA2 bandwidth limit ~49Gbps/2=24.5Gbps | ${s_24.5G}= | ${24500000000} # XXV710-DA2 Mpps limit 37.5Mpps/2=18.75Mpps | ${s_18.75Mpps}= | ${18750000} # TG subnets used by T-Rex | ${tg_if1_net}= | 10.10.10.0 | ${tg_if2_net}= | 20.20.20.0 # Traffic profile: | ${traffic_profile}= | trex-sl-2n-dot1qip4asym-ip4src254 *** Keywords *** | Local Template | | [Documentation] | | ... | [Cfg] Each DUT runs IPv4 routing with VLAN and uses ${phy_cores}\ | | ... | physical core(s) for worker threads. | | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\ | | ... | | ... | *Arguments:* | | ... | - framesize - 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] | ${framesize} | ${phy_cores} | ${rxq}=${None} | | ... | | Set Test Variable | ${framesize} | | Set Test Variable | ${min_rate} | ${10000} | | ... | | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq} | | And Add PCI devices to all DUTs | | ${max_rate} | ${jumbo} = | Get Max Rate And Jumbo And Handle Multi Seg | | ... | ${s_24.5G} | ${framesize} | pps_limit=${s_18.75Mpps} | | ... | overhead=${overhead} | | And Apply startup configuration on all VPP DUTs | | When Initialize IPv4 forwarding with VLAN dot1q sub-interfaces in circular topology | | ... | ${tg_if1_net} | ${tg_if2_net} | ${subid} | ${tag_rewrite} | | Then Find NDR and PDR intervals using optimized search | | ... | ${framesize} | ${traffic_profile} | ${min_rate} | ${max_rate} *** Test Cases *** | tc01-64B-1c-dot1q-ip4base-ndrpdr | | [Tags] | 64B | 1C | | framesize=${64} | phy_cores=${1} | tc02-64B-2c-dot1q-ip4base-ndrpdr | | [Tags] | 64B | 2C | | framesize=${64} | phy_cores=${2} | tc03-64B-4c-dot1q-ip4base-ndrpdr | | [Tags] | 64B | 4C | | framesize=${64} | phy_cores=${4} | tc04-1518B-1c-dot1q-ip4base-ndrpdr | | [Tags] | 1518B | 1C | | framesize=${1518} | phy_cores=${1} | tc05-1518B-2c-dot1q-ip4base-ndrpdr | | [Tags] | 1518B | 2C | | framesize=${1518} | phy_cores=${2} | tc06-1518B-4c-dot1q-ip4base-ndrpdr | | [Tags] | 1518B | 4C | | framesize=${1518} | phy_cores=${4} | tc07-9000B-1c-dot1q-ip4base-ndrpdr | | [Tags] | 9000B | 1C | | framesize=${9000} | phy_cores=${1} | tc08-9000B-2c-dot1q-ip4base-ndrpdr | | [Tags] | 9000B | 2C | | framesize=${9000} | phy_cores=${2} | tc09-9000B-4c-dot1q-ip4base-ndrpdr | | [Tags] | 9000B | 4C | | framesize=${9000} | phy_cores=${4} | tc10-IMIX-1c-dot1q-ip4base-ndrpdr | | [Tags] | IMIX | 1C | | framesize=IMIX_v4_1 | phy_cores=${1} | tc11-IMIX-2c-dot1q-ip4base-ndrpdr | | [Tags] | IMIX | 2C | | framesize=IMIX_v4_1 | phy_cores=${2} | tc12-IMIX-4c-dot1q-ip4base-ndrpdr | | [Tags] | IMIX | 4C | | framesize=IMIX_v4_1 | phy_cores=${4}