# 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 | | Force Tags | 2_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR | ... | NIC_Intel-X710 | ETH | IP4FWD | NAT44 | TCP | TCP_TPUT | DRV_VFIO_PCI | ... | SCALE | HOSTS_16384 | RXQ_SIZE_0 | TXQ_SIZE_0 | ... | ethip4tcp-nat44ed-h16384-p63-s1032192-tput | | Suite Setup | Setup suite topology interfaces | performance | Suite Teardown | Tear down suite | performance | Test Setup | Setup test | performance | Test Teardown | Tear down test | performance | nat-ed | | Test Template | Local Template | | # TODO CSIT-1765: Unify suite Documentation. | Documentation | *TPUT on lightweight TCP transactions with NAT44ED* | | ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology\ | ... | with single links between nodes. | ... | *[Enc] Packet Encapsulations:* Eth-IPv4-TCP for IPv4 routing. | ... | *[Cfg] DUT configuration:* DUT1 is configured with IPv4\ | ... | routing and two static IPv4 /24 route entries. DUT1 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 client and server ASTF programs, generating packets containing\ | ... | Ethernet header, IPv4 header, TCP 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 | nat_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} # IP settings | ${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}= | ${24} | ${dut1_if2_ip4}= | 12.0.0.1 | ${dut1_if2_mask}= | ${24} | ${dest_net}= | 20.0.0.0 | ${dest_mask}= | ${18} # NAT settings | ${nat_mode}= | endpoint-dependent | ${in_net}= | 192.168.0.0 | ${in_mask}= | ${18} | ${out_net}= | 68.142.68.0 | ${out_net_end}= | 68.142.68.15 | ${out_mask}= | ${28} # Scale settings | ${n_hosts}= | ${16384} | ${n_ports}= | ${63} | ${n_sessions}= | ${${n_hosts} * ${n_ports}} | ${packets_per_transaction_and_direction}= | ${11} | ${transaction_scale}= | ${n_sessions} # Ramp-up settings | ${ramp_up_rate}= | ${70000} # Traffic profile | ${traffic_profile}= | trex-astf-ethip4tcp-${n_hosts}h-pps | ${transaction_type}= | tcp_pps | ${disable_latency}= | ${True} *** 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} | | ${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 | ${nic_driver} | | And Initialize layer interface | | And Initialize IPv4 forwarding for NAT44 in circular topology | | And Initialize NAT44 endpoint-dependent mode in circular topology | | Then Send ramp-up traffic | | And Verify NAT44 TCP sessions number on DUT1 node | | And Find NDR and PDR intervals using optimized search | | And Verify NAT44 TCP sessions number on DUT1 node *** Test Cases *** | 64B-1c-ethip4tcp-nat44ed-h16384-p63-s1032192-tput-ndrpdr | | [Tags] | 64B | 1C | | frame_size=${64} | phy_cores=${1} | 64B-2c-ethip4tcp-nat44ed-h16384-p63-s1032192-tput-ndrpdr | | [Tags] | 64B | 2C | | frame_size=${64} | phy_cores=${2} | 64B-4c-ethip4tcp-nat44ed-h16384-p63-s1032192-tput-ndrpdr | | [Tags] | 64B | 4C | | frame_size=${64} | phy_cores=${4}