# Copyright (c) 2021 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/ip/nat.robot | Resource | resources/libraries/robot/shared/traffic.robot | | Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR | ... | NIC_Intel-X710 | ETH | IP4FWD | FEATURE | NAT44 | NAT44_DETERMINISTIC | ... | BASE | UDP | UDP_BIDIR | DRV_VFIO_PCI | ... | RXQ_SIZE_0 | TXQ_SIZE_0 | ... | ethip4udp-nat44det-h1-p1-s1 | | Suite Setup | Setup suite topology interfaces | performance | Suite Teardown | Tear down suite | performance | Test Setup | Setup test | performance | Test Teardown | Tear down test | performance | det44 | | Test Template | Local Template | | Documentation | **RFC2544: Pkt throughput NAT44 deterministic mode performance | ... | test cases** | ... | | ... | - **[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 one static IPv4 /18 route entries. \ | ... | 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, 1 flow 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 | det44_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}= | ${0} # IP addresing | ${tg_if1_ip4}= | 10.0.0.2 | ${tg_if1_mask}= | ${20} | ${tg_if2_ip4}= | 12.0.0.2 | ${tg_if2_mask}= | ${20} | ${dut1_if1_ip4}= | 10.0.0.1 | ${dut1_if1_mask}= | ${20} | ${dut1_if2_ip4}= | 12.0.0.1 | ${dut1_if2_mask}= | ${20} | ${dest_net}= | 30.0.0.0 | ${dest_mask}= | ${24} # NAT settings | ${nat_mode}= | deterministic | ${in_net}= | 20.0.0.0 | ${in_mask}= | ${32} | ${out_net}= | 200.0.0.0 | ${out_mask}= | ${32} # Scale settings | ${n_hosts}= | ${1} | ${n_ports}= | ${1} | ${n_sessions}= | ${${n_hosts} * ${n_ports}} # Ramp-up settings | ${ramp_up_rate}= | ${500000} | ${ramp_up_duration}= | ${1} # Traffic profile | ${traffic_profile}= | trex-stl-2n-ethip4udp-${n_hosts}u${n_ports}p *** Keywords *** | Local Template | | | | [Documentation] | | ... | - **[Cfg]** DUT runs NAT44 ${nat_mode} configuration. \ | | ... | 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 | ${nic_driver} | | And Initialize layer interface | | And Initialize IPv4 forwarding for NAT44 in circular topology | | And Initialize NAT44 deterministic mode in circular topology | | Then Send ramp-up traffic | | And Verify DET44 sessions number on DUT1 node | | And Find NDR and PDR intervals using optimized search *** Test Cases *** | 64B-1c-ethip4udp-nat44det-h1-p1-s1-ndrpdr | | [Tags] | 64B | 1C | | frame_size=${64} | phy_cores=${1} | 64B-2c-ethip4udp-nat44det-h1-p1-s1-ndrpdr | | [Tags] | 64B | 2C | | frame_size=${64} | phy_cores=${2} | 64B-4c-ethip4udp-nat44det-h1-p1-s1-ndrpdr | | [Tags] | 64B | 4C | | frame_size=${64} | phy_cores=${4} | 1518B-1c-ethip4udp-nat44det-h1-p1-s1-ndrpdr | | [Tags] | 1518B | 1C | | frame_size=${1518} | phy_cores=${1} | 1518B-2c-ethip4udp-nat44det-h1-p1-s1-ndrpdr | | [Tags] | 1518B | 2C | | frame_size=${1518} | phy_cores=${2} | 1518B-4c-ethip4udp-nat44det-h1-p1-s1-ndrpdr | | [Tags] | 1518B | 4C | | frame_size=${1518} | phy_cores=${4} | 9000B-1c-ethip4udp-nat44det-h1-p1-s1-ndrpdr | | [Tags] | 9000B | 1C | | frame_size=${9000} | phy_cores=${1} | 9000B-2c-ethip4udp-nat44det-h1-p1-s1-ndrpdr | | [Tags] | 9000B | 2C | | frame_size=${9000} | phy_cores=${2} | 9000B-4c-ethip4udp-nat44det-h1-p1-s1-ndrpdr | | [Tags] | 9000B | 4C | | frame_size=${9000} | phy_cores=${4} | IMIX-1c-ethip4udp-nat44det-h1-p1-s1-ndrpdr | | [Tags] | IMIX | 1C | | frame_size=IMIX_v4_1 | phy_cores=${1} | IMIX-2c-ethip4udp-nat44det-h1-p1-s1-ndrpdr | | [Tags] | IMIX | 2C | | frame_size=IMIX_v4_1 | phy_cores=${2} | IMIX-4c-ethip4udp-nat44det-h1-p1-s1-ndrpdr | | [Tags] | IMIX | 4C | | frame_size=IMIX_v4_1 | phy_cores=${4}