# 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
#
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# 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 | MRR
| ... | NIC_Intel-X710 | IP4FWD | BASE | IP4BASE | DRV_VHOST
| ... | RXQ_SIZE_4096 | TXQ_SIZE_4096 | GSO_TRUE
| ... | ethip4-ip4base-2vhost-gso-iperf3
|
| Suite Setup | Setup suite topology interfaces
| Suite Teardown | Tear down suite
| Test Setup | Setup test
| Test Teardown | Tear down test | iPerf3 | vhost
|
| Test Template | Local Template
|
| Documentation | *RFC2544: Pkt throughput IPv4 routing test cases with VHOST*
|
| ... | *[Top] Network Topologies:* DUT1 1-node topology without physical links.
| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-TCP.
| ... | *[Cfg] DUT configuration:* DUT1 is configured with IPv4 routing.
| ... | *[Ver] TG verification:* iPerf3 client/server is used for Packet\
| ... | generation and verification.
| ... | *[Ref] Applicable standard specifications:* RFC2544.

*** Variables ***
| @{plugins_to_enable}= | ping_plugin.so
| ${crypto_type}= | ${None}
| ${nic_name}= | Intel-X710
| ${nic_driver}= | vhost
| ${nic_rxq_size}= | 4096
| ${nic_txq_size}= | 4096
| ${nic_pfs}= | 2
| ${nic_vfs}= | 0
| ${osi_layer}= | L7
| ${overhead}= | ${0}
# Qemu settings:
| ${enable_gso}= | ${True}
| ${enable_csum}= | ${True}
| ${nf_dtcr}= | ${1}
| ${nf_dtc}= | ${4}
# iPerf3 client settings:
| ${iperf_client_bind}= | 1.1.1.1
| ${iperf_client_bind_gw}= | 1.1.1.2
| ${iperf_client_bind_mask}= | 30
| ${iperf_client_interface}= | ens6
| ${iperf_client_namespace}= | ${None}
| ${iperf_client_udp}= | ${False}
| ${iperf_client_node}= | DUT1_2
| ${iperf_client_affinity} | 1
# iPerf3 server settings:
| ${iperf_server_bind}= | 2.2.2.2
| ${iperf_server_bind_gw}= | 2.2.2.1
| ${iperf_server_bind_mask}= | 30
| ${iperf_server_interface}= | ens6
| ${iperf_server_namespace}= | ${None}
| ${iperf_server_node}= | DUT1_1
| ${iperf_server_pf_key}= | ${None}
# Trial data overwrite:
| ${trial_duration}= | ${30}
| ${trial_multiplicity}= | ${10}

*** Keywords ***
| Local Template
| | [Documentation]
| | ... | [Cfg] DUT configuration: DUT1 is configured with IPv4 routing.
| | ... | [Ver] Measure MaxReceivedRate for ${frame_size}B frames\
| | ... | using burst trials throughput test.\
| |
| | ... | *Arguments:*
| | ... | - frame_size - Framesize in Bytes in integer. 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 | \${rxq_ratio} | ${1}
| |
| | Given Set Jumbo
| | And Add worker threads for GSO tests 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 | ${nic_driver} | validate=${False}
| | And Initialize layer interface
| | And VPP Interface Set IP Address
| | ... | ${dut1} | ${DUT1_${int}1}[0]
| | ... | ${iperf_server_bind_gw} | ${iperf_server_bind_mask}
| | And VPP Interface Set IP Address
| | ... | ${dut1} | ${DUT1_${int}2}[0]
| | ... | ${iperf_client_bind_gw} | ${iperf_client_bind_mask}
| | And Configure chains of NFs connected via vhost-user on single node
| | ... | node=DUT1 | nf_nodes=${2} | vnf=iperf3 | auto_scale=${True}
| | ... | fixed_auto_scale=${True} | validate=${False}
| | And Get CPU Info from All Nodes | ${nodes}
| | Traffic should pass with maximum rate on iPerf3

*** Test Cases ***
| 128KB-1c-ethip4-ip4base-2vhost-gso-iperf3-mrr
| | [Tags] | 128KB | 1C
| | frame_size=${128000} | phy_cores=${1}

| 128KB-2c-ethip4-ip4base-2vhost-gso-iperf3-mrr
| | [Tags] | 128KB | 2C
| | frame_size=${128000} | phy_cores=${2}

| 128KB-4c-ethip4-ip4base-2vhost-gso-iperf3-mrr
| | [Tags] | 128KB | 4C
| | frame_size=${128000} | phy_cores=${4}