# Copyright (c) 2020 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 | IP4FWD | FEATURE | NAT44 | SRC_USER_262144 | ... | SCALE | DRV_VFIO_PCI | ... | RXQ_SIZE_0 | TXQ_SIZE_0 | ... | ethip4udp-ip4scale262144-udpsrcscale63-nat44 | | 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 | | Test Template | Local Template | | Documentation | *RFC2544: Pkt throughput NAT44 performance test cases* | | ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology | ... | with single links between nodes. | ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP for IPv4 routing. | ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with IPv4\ | ... | routing two static IPv4 /24 and IPv4 /14 route entries on DUT1 and two\ | ... | static IPv4 /24 route entries on DUT2. DUT1 and DUT2\ | ... | 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, one flow per flow-group) 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 | 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}= | L3 | ${overhead}= | ${0} # Traffic profile: | ${traffic_profile}= | trex-stl-ethip4udp-262144u63p # 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}= | 11.0.0.1 | ${dut1_if2_mask}= | 20 | ${dut2_if1_ip4}= | 11.0.0.2 | ${dut2_if1_mask}= | 20 | ${dut2_if2_ip4}= | 12.0.0.1 | ${dut2_if2_mask}= | 20 | ${inside_net}= | 172.16.0.0 | ${inside_mask}= | 14 | ${nat_net}= | 68.142.68.0 | ${nat_mask}= | 24 | ${dest_net}= | 20.0.0.0 | ${dest_mask}= | 24 *** 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} | | | | Given Set Max Rate And Jumbo | | And Add worker threads to all DUTs | ${phy_cores} | ${rxq} | | And Pre-initialize layer driver | ${nic_driver} | | And Add NAT to all DUTs | | And Apply startup configuration on all VPP DUTs | | When Initialize layer driver | ${nic_driver} | | And Initialize layer interface | | And Initialize NAT44 in circular topology | | Then Find NDR and PDR intervals using optimized search *** Test Cases *** | 64B-1c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr | | [Tags] | 64B | 1C | | frame_size=${64} | phy_cores=${1} | 64B-2c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr | | [Tags] | 64B | 2C | | frame_size=${64} | phy_cores=${2} | 64B-4c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr | | [Tags] | 64B | 4C | | frame_size=${64} | phy_cores=${4} | 1518B-1c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr | | [Tags] | 1518B | 1C | | frame_size=${1518} | phy_cores=${1} | 1518B-2c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr | | [Tags] | 1518B | 2C | | frame_size=${1518} | phy_cores=${2} | 1518B-4c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr | | [Tags] | 1518B | 4C | | frame_size=${1518} | phy_cores=${4} | 9000B-1c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr | | [Tags] | 9000B | 1C | | frame_size=${9000} | phy_cores=${1} | 9000B-2c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr | | [Tags] | 9000B | 2C | | frame_size=${9000} | phy_cores=${2} | 9000B-4c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr | | [Tags] | 9000B | 4C | | frame_size=${9000} | phy_cores=${4} | IMIX-1c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr | | [Tags] | IMIX | 1C | | frame_size=IMIX_v4_1 | phy_cores=${1} | IMIX-2c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr | | [Tags] | IMIX | 2C | | frame_size=IMIX_v4_1 | phy_cores=${2} | IMIX-4c-ethip4udp-ip4scale262144-udpsrcscale63-nat44-ndrpdr | | [Tags] | IMIX | 4C | | frame_size=IMIX_v4_1 | phy_cores=${4}