# 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
| 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 | TCP_SYN
| ... | NAT44_ENDPOINT_DEPENDENT | BASE | DRV_VFIO_PCI
| ... | RXQ_SIZE_0 | TXQ_SIZE_0
| ... | ethip4tcp-nat44ed-h262144-p63-s16515072-cps
|
| 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
|
| Documentation | *Connections per second NAT44 endpoint-dependent mode
| ... | performance test cases*
|
| ... | *[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
| ... | one static IPv4 /18 route entries.
| ... | DUT1 is tested with ${nic_name}.\
| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop\
| ... | Rate) with zero packet loss tolerance and throughput PDR (Partial Drop\
| ... | Rate) with non-zero packet loss tolerance (LT) expressed in percentage\
| ... | of packets transmitted. NDR and PDR are discovered for different\
| ... | Ethernet L2 frame sizes using MLRsearch library.\
| ... | Test packets are generated by TG on links to DUTs. TG traffic profile\
| ... | contain L7 flows (${cps} bi-directional TCP flows) with all packets\
| ... | containing Ethernet header, IPv4 header with TCP header and static\
| ... | payload. MAC addresses are matching MAC addresses of the TG node\
| ... | interfaces.
| ... | *[Ref] Applicable standard specifications:* Benchmarking Methodology\
| ... | for Network Security Device Performance\
| ... | (draft-ietf-bmwg-ngfw-performance-03).

*** 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}= | 20.16.0.0
| ${dest_mask}= | ${14}
# NAT settings
| ${nat_mode}= | endpoint-dependent
| ${max_translations_per_thread}= | 10485760
| ${in_net}= | 172.16.0.0
| ${in_mask}= | ${14}
| ${out_net}= | 68.142.68.0
| ${out_net_end}= | 68.142.68.255
| ${out_mask}= | ${24}
# Traffic profile:
| ${traffic_profile}= | trex-astf-ethip4tcp-262144h
| ${cps}= | ${16515072}
# Trial data overwrite
| ${trial_duration}= | ${1.1}
| ${trial_multiplicity}= | ${1}

*** 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}
| | Set Test Variable | \${max_rate} | ${cps}
| | ${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 Jumbo
| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
| | And Pre-initialize layer driver | ${nic_driver}
| | And Add NAT to all DUTs | nat_mode=${nat_mode}
| | And Add NAT max translations per thread to all DUTs
| | ... | ${max_translations_per_thread}
| | And Apply startup configuration on all VPP DUTs
| | When Initialize layer driver | ${nic_driver}
| | And Initialize layer interface
| | And Initialize IPv4 forwarding for NAT44 in circular topology
| | And Initialize NAT44 endpoint-dependent mode in circular topology
| | Then Find NDR and PDR intervals using optimized search | latency=${False}

*** Test Cases ***
| 64B-1c-ethip4tcp-nat44ed-h262144-p63-s16515072-cps-ndrpdr
| | [Tags] | 64B | 1C
| | frame_size=${64} | phy_cores=${1}

| 64B-2c-ethip4tcp-nat44ed-h262144-p63-s16515072-cps-ndrpdr
| | [Tags] | 64B | 2C
| | frame_size=${64} | phy_cores=${2}

| 64B-4c-ethip4tcp-nat44ed-h262144-p63-s16515072-cps-ndrpdr
| | [Tags] | 64B | 4C
| | frame_size=${64} | phy_cores=${4}

| 1518B-1c-ethip4tcp-nat44ed-h262144-p63-s16515072-cps-ndrpdr
| | [Tags] | 1518B | 1C
| | frame_size=${1518} | phy_cores=${1}

| 1518B-2c-ethip4tcp-nat44ed-h262144-p63-s16515072-cps-ndrpdr
| | [Tags] | 1518B | 2C
| | frame_size=${1518} | phy_cores=${2}

| 1518B-4c-ethip4tcp-nat44ed-h262144-p63-s16515072-cps-ndrpdr
| | [Tags] | 1518B | 4C
| | frame_size=${1518} | phy_cores=${4}

| 9000B-1c-ethip4tcp-nat44ed-h262144-p63-s16515072-cps-ndrpdr
| | [Tags] | 9000B | 1C
| | frame_size=${9000} | phy_cores=${1}

| 9000B-2c-ethip4tcp-nat44ed-h262144-p63-s16515072-cps-ndrpdr
| | [Tags] | 9000B | 2C
| | frame_size=${9000} | phy_cores=${2}

| 9000B-4c-ethip4tcp-nat44ed-h262144-p63-s16515072-cps-ndrpdr
| | [Tags] | 9000B | 4C
| | frame_size=${9000} | phy_cores=${4}

| IMIX-1c-ethip4tcp-nat44ed-h262144-p63-s16515072-cps-ndrpdr
| | [Tags] | IMIX | 1C
| | frame_size=IMIX_v4_1 | phy_cores=${1}

| IMIX-2c-ethip4tcp-nat44ed-h262144-p63-s16515072-cps-ndrpdr
| | [Tags] | IMIX | 2C
| | frame_size=IMIX_v4_1 | phy_cores=${2}

| IMIX-4c-ethip4tcp-nat44ed-h262144-p63-s16515072-cps-ndrpdr
| | [Tags] | IMIX | 4C
| | frame_size=IMIX_v4_1 | phy_cores=${4}