# 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 | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR | ... | NIC_Intel-X710 | ETH | IP6FWD | FEATURE | SRv6 | SRv6_2SID_DECAP | ... | DRV_VFIO_PCI | ... | RXQ_SIZE_0 | TXQ_SIZE_0 | ... | ethip6srhip6-ip6base-srv6enc2sids | | Suite Setup | Setup suite topology interfaces | performance | Suite Teardown | Tear down suite | performance | Test Setup | Setup test | performance | Test Teardown | Tear down test | performance | srv6 | | Test Template | Local Template | | Documentation | **Packet throughput Segment routing over IPv6 dataplane with \ | ... | two SIDs (SRH inserted) test cases** | ... | | ... | - **[Top] Network Topologies:** TG-DUT1-DUT2-TG 3-node circular \ | ... | topology with single links between nodes. | ... | | ... | - **[Enc] Packet Encapsulations:** Eth-IPv6-SRH-IPv6 on DUT1-DUT2, \ | ... | Eth-IPv6 on TG-DUTn for IPv6 routing over SRv6. | ... | | ... | - **[Cfg] DUT configuration:** DUT1 and DUT2 are configured with IPv6 \ | ... | routing and static route, SR policy and steering policy for one \ | ... | direction and two SR behaviours (functions) - End and End.DX6 - for \ | ... | other direction. DUT1 and DUT2 are 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, 253 flows per flow-group) with \ | ... | all packets containing Ethernet header,IPv6 header with static \ | ... | payload. \ | ... | MAC addresses are matching MAC addresses of the TG node interfaces. | ... | | ... | - **[Ref] Applicable standard specifications:** SRv6 Network \ | ... | Programming - draft 3. *** 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}= | L3 | ${overhead}= | ${80} # SIDs | ${dut1_sid1}= | 2002:1:: | ${dut1_sid2_1}= | 2003:2:: | ${dut1_sid2_2}= | 2003:3:: | ${dut1_bsid}= | 2002:1::1 | ${dut2_sid1}= | 2002:2:: | ${dut2_sid1_1}= | 2002:2:: | ${dut2_sid1_2}= | 2002:3:: | ${dut2_sid2}= | 2003:1:: | ${dut2_bsid}= | 2002:2::1 | ${sid_prefix}= | ${64} # IP settings | ${tg_if1_ip6_subnet}= | 2001:1:: | ${tg_if2_ip6_subnet}= | 2001:2:: | ${dst_addr_nr}= | ${1} | ${dut1_if1_ip6}= | 2001:1::1 | ${dut1_if2_ip6}= | 2001:3::1 | ${dut2_if1_ip6}= | 2001:3::2 | ${dut2_if2_ip6}= | 2001:2::1 | ${prefix}= | ${64} # Traffic profile: | ${traffic_profile}= | trex-stl-ethip6-ip6src253 *** Keywords *** | Local Template | | [Documentation] | | ... | - **[Cfg]** DUT1 and DUT2 are configured with IPv6 \ | | ... | routing and static route, SR policy and steering policy for one \ | | ... | direction and two SR behaviours (functions) - End and End. DX6 - for \ | | ... | other direction. \ | | ... | 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} | | | | 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 | ${nic_driver} | | And Initialize layer interface | | And Initialize SRv6 encapsulation with '2' x SID 'with' decapsulation | | Then Find NDR and PDR intervals using optimized search *** Test Cases *** | 78B-1c-ethip6srhip6-ip6base-srv6enc2sids-ndrpdr | | [Tags] | 78B | 1C | | frame_size=${78} | phy_cores=${1} | 78B-2c-ethip6srhip6-ip6base-srv6enc2sids-ndrpdr | | [Tags] | 78B | 2C | | frame_size=${78} | phy_cores=${2} | 78B-4c-ethip6srhip6-ip6base-srv6enc2sids-ndrpdr | | [Tags] | 78B | 4C | | frame_size=${78} | phy_cores=${4} | 1518B-1c-ethip6srhip6-ip6base-srv6enc2sids-ndrpdr | | [Tags] | 1518B | 1C | | frame_size=${1518} | phy_cores=${1} | 1518B-2c-ethip6srhip6-ip6base-srv6enc2sids-ndrpdr | | [Tags] | 1518B | 2C | | frame_size=${1518} | phy_cores=${2} | 1518B-4c-ethip6srhip6-ip6base-srv6enc2sids-ndrpdr | | [Tags] | 1518B | 4C | | frame_size=${1518} | phy_cores=${4} | 9000B-1c-ethip6srhip6-ip6base-srv6enc2sids-ndrpdr | | [Tags] | 9000B | 1C | | frame_size=${9000} | phy_cores=${1} | 9000B-2c-ethip6srhip6-ip6base-srv6enc2sids-ndrpdr | | [Tags] | 9000B | 2C | | frame_size=${9000} | phy_cores=${2} | 9000B-4c-ethip6srhip6-ip6base-srv6enc2sids-ndrpdr | | [Tags] | 9000B | 4C | | frame_size=${9000} | phy_cores=${4} | IMIX-1c-ethip6srhip6-ip6base-srv6enc2sids-ndrpdr | | [Tags] | IMIX | 1C | | frame_size=IMIX_v4_1 | phy_cores=${1} | IMIX-2c-ethip6srhip6-ip6base-srv6enc2sids-ndrpdr | | [Tags] | IMIX | 2C | | frame_size=IMIX_v4_1 | phy_cores=${2} | IMIX-4c-ethip6srhip6-ip6base-srv6enc2sids-ndrpdr | | [Tags] | IMIX | 4C | | frame_size=IMIX_v4_1 | phy_cores=${4}