# Copyright (c) 2016 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.
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#
#     http://www.apache.org/licenses/LICENSE-2.0
#
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*** Settings ***
| Library | resources.libraries.python.topology.Topology
| Library | resources.libraries.python.NodePath
| Library | resources.libraries.python.InterfaceUtil
| Library | resources.libraries.python.TrafficGenerator
| Library | resources.libraries.python.TrafficGenerator.TGDropRateSearchImpl
| Resource | resources/libraries/robot/default.robot
| Resource | resources/libraries/robot/interfaces.robot
| Resource | resources/libraries/robot/counters.robot
| Resource | resources/libraries/robot/bridge_domain.robot
| Resource | resources/libraries/robot/l2_xconnect.robot
| Resource | resources/libraries/robot/ipv4.robot
| Resource | resources/libraries/robot/ipv6.robot
| Documentation | Performance suite keywords

*** Keywords ***
| Setup performance rate Variables
| | [Documentation]
| | ... | Setup performance linerates as Suite Variables. Variables are used
| | ... | as search boundaries in RFC2544 throughput search.
| | ...
| | ... | _NOTE:_ This KW sets following suite variables:
| | ... | - 10Ge_linerate_pps_64B - Maximum number of packet per second
| | ... |                           for 10GE with 64B L2 Frame.
| | ... | - 10Ge_linerate_pps_68B - Maximum number of packet per second
| | ... |                           for 10GE with 68B L2 Frame.
| | ... | - 10Ge_linerate_pps_72B - Maximum number of packet per second
| | ... |                           for 10GE with 72B L2 Frame.
| | ... | - 10Ge_linerate_pps_78B - Maximum number of packet per second
| | ... |                           for 10GE with 78B L2 Frame.
| | ... | - 10Ge_linerate_pps_1518B - Maximum number of packet per second
| | ... |                             for 10GE with 1518B L2 Frame.
| | ... | - 10Ge_linerate_pps_1522B - Maximum number of packet per second
| | ... |                             for 10GE with 1522B L2 Frame.
| | ... | - 10Ge_linerate_pps_1526B - Maximum number of packet per second
| | ... |                             for 10GE with 1526B L2 Frame.
| | ... | - 10Ge_linerate_pps_9000B - Maximum number of packet per second
| | ... |                             for 10GE with 9000B L2 Frame.
| | ... | - 10Ge_linerate_pps_9004B - Maximum number of packet per second
| | ... |                             for 10GE with 9004B L2 Frame.
| | ... | - 10Ge_linerate_pps_9008B - Maximum number of packet per second
| | ... |                             for 10GE with 9008B L2 Frame.
| | ... | - 10Ge_linerate_pps_IMIX_v4_1 - Maximum number of packet per second
| | ... |                                 for 10GE with IMIX_v4_1 profile.
| | ... | - 40Ge_linerate_pps_64B - Maximum number of packet per second
| | ... |                           for 40GE with 64B L2 Frame.
| | ... | - 40Ge_linerate_pps_68B - Maximum number of packet per second
| | ... |                           for 40GE with 68B L2 Frame.
| | ... | - 40Ge_linerate_pps_72B - Maximum number of packet per second
| | ... |                           for 40GE with 72B L2 Frame.
| | ... | - 40Ge_linerate_pps_78B - Maximum number of packet per second
| | ... |                           for 40GE with 78B L2 Frame.
| | ... | - 40Ge_linerate_pps_1518B - Maximum number of packet per second
| | ... |                             for 40GE with 1518B L2 Frame.
| | ... | - 40Ge_linerate_pps_1522B - Maximum number of packet per second
| | ... |                             for 40GE with 1522B L2 Frame.
| | ... | - 40Ge_linerate_pps_1526B - Maximum number of packet per second
| | ... |                             for 40GE with 1526B L2 Frame.
| | ... | - 40Ge_linerate_pps_9000B - Maximum number of packet per second
| | ... |                             for 40GE with 9000B L2 Frame.
| | ... | - 40Ge_linerate_pps_9004B - Maximum number of packet per second
| | ... |                             for 40GE with 9004B L2 Frame.
| | ... | - 40Ge_linerate_pps_9008B - Maximum number of packet per second
| | ... |                             for 40GE with 9008B L2 Frame.
| | ... | - 40Ge_linerate_pps_IMIX_v4_1 - Maximum number of packet per second
| | ... |                                 for 40GE with IMIX_v4_1 profile.
| | ...
| | Set Suite Variable | ${10Ge_linerate_pps_64B} | 14880952
| | Set Suite Variable | ${10Ge_linerate_pps_68B} | 14204545
| | Set Suite Variable | ${10Ge_linerate_pps_72B} | 13586956
| | Set Suite Variable | ${10Ge_linerate_pps_78B} | 12755102
| | Set Suite Variable | ${10Ge_linerate_pps_1518B} | 812743
| | Set Suite Variable | ${10Ge_linerate_pps_1522B} | 810635
| | Set Suite Variable | ${10Ge_linerate_pps_9000B} | 138580
| | Set Suite Variable | ${10Ge_linerate_pps_9004B} | 138519
| | Set Suite Variable | ${10Ge_linerate_pps_9008B} | 138458
| | Set Suite Variable | ${10Ge_linerate_pps_IMIX_v4_1} | 3343736
| | Set Suite Variable | ${40Ge_linerate_pps_64B} | 59523809
| | Set Suite Variable | ${40Ge_linerate_pps_68B} | 56818181
| | Set Suite Variable | ${40Ge_linerate_pps_72B} | 54347826
| | Set Suite Variable | ${40Ge_linerate_pps_78B} | 51020408
| | Set Suite Variable | ${40Ge_linerate_pps_1518B} | 3250975
| | Set Suite Variable | ${40Ge_linerate_pps_1522B} | 3242542
| | Set Suite Variable | ${40Ge_linerate_pps_9000B} | 554323
| | Set Suite Variable | ${40Ge_linerate_pps_9004B} | 554078
| | Set Suite Variable | ${40Ge_linerate_pps_9008B} | 553832
| | Set Suite Variable | ${40Ge_linerate_pps_IMIX_v4_1} | 13374944

| Calculate pps
| | [Documentation]
| | ... | Calculate pps for given rate and L2 frame size,
| | ... | additional 20B are added to L2 frame size as padding.
| | ...
| | ... | *Arguments*
| | ... | - bps - Rate in bps. Type: integer
| | ... | - framesize - L2 frame size in Bytes. Type: integer
| | ...
| | ... | *Return*
| | ... | - Calculated pps. Type: integer
| | ...
| | ... | *Example:*
| | ...
| | ... | \| Calculate pps \| 10000000000 | 64
| | [Arguments] | ${bps} | ${framesize}
| | ${ret}= | Evaluate | (${bps}/((${framesize}+20)*8)).__trunc__()
| | Return From Keyword | ${ret}

| Get Frame Size
| | [Documentation]
| | ... | Framesize can be either integer in case of a single packet
| | ... | in stream, or set of packets in case of IMIX type or simmilar.
| | ... | This keyword returns average framesize.
| | ...
| | ... | *Arguments:*
| | ... | - framesize - Framesize. Type: integer or string
| | ...
| | ... | *Example:*
| | ...
| | ... | \| Get Frame Size \| IMIX_v4_1
| | [Arguments] | ${framesize}
| | Run Keyword If | '${framesize}' == 'IMIX_v4_1'
| | ...            | Return From Keyword | 353.83333
| | Return From Keyword | ${framesize}

| Setup performance global Variables
| | [Documentation]
| | ... | Setup suite Variables. Variables are used across performance testing.
| | ...
| | ... | _NOTE:_ This KW sets following suite variables:
| | ... | - glob_loss_acceptance - Loss acceptance treshold
| | ... | - glob_loss_acceptance_type - Loss acceptance treshold type
| | ...
| | Set Suite Variable | ${glob_loss_acceptance} | 0.5
| | Set Suite Variable | ${glob_loss_acceptance_type} | percentage

| 2-node circular Topology Variables Setup
| | [Documentation]
| | ... | Compute path for testing on two given nodes in circular
| | ... | topology and set corresponding suite variables.
| | ...
| | ... | _NOTE:_ This KW sets following suite variables:
| | ... | - tg - TG node
| | ... | - tg_if1 - 1st TG interface towards DUT.
| | ... | - tg_if2 - 2nd TG interface towards DUT.
| | ... | - dut1 - DUT1 node
| | ... | - dut1_if1 - 1st DUT interface towards TG.
| | ... | - dut1_if2 - 2nd DUT interface towards TG.
| | ...
| | Append Nodes | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']}
| | Compute Path
| | ${tg_if1} | ${tg}= | Next Interface
| | ${dut1_if1} | ${dut1}= | Next Interface
| | ${dut1_if2} | ${dut1}= | Next Interface
| | ${tg_if2} | ${tg}= | Next Interface
| | Set Suite Variable | ${tg}
| | Set Suite Variable | ${tg_if1}
| | Set Suite Variable | ${tg_if2}
| | Set Suite Variable | ${dut1}
| | Set Suite Variable | ${dut1_if1}
| | Set Suite Variable | ${dut1_if2}

| 3-node circular Topology Variables Setup
| | [Documentation]
| | ... | Compute path for testing on three given nodes in circular
| | ... | topology and set corresponding suite variables.
| | ...
| | ... | _NOTE:_ This KW sets following suite variables:
| | ... | - tg - TG node
| | ... | - tg_if1 - TG interface towards DUT1.
| | ... | - tg_if2 - TG interface towards DUT2.
| | ... | - dut1 - DUT1 node
| | ... | - dut1_if1 - DUT1 interface towards TG.
| | ... | - dut1_if2 - DUT1 interface towards DUT2.
| | ... | - dut2 - DUT2 node
| | ... | - dut2_if1 - DUT2 interface towards TG.
| | ... | - dut2_if2 - DUT2 interface towards DUT1.
| | ...
| | Append Nodes | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['DUT2']}
| | ...          | ${nodes['TG']}
| | Compute Path
| | ${tg_if1} | ${tg}= | Next Interface
| | ${dut1_if1} | ${dut1}= | Next Interface
| | ${dut1_if2} | ${dut1}= | Next Interface
| | ${dut2_if1} | ${dut2}= | Next Interface
| | ${dut2_if2} | ${dut2}= | Next Interface
| | ${tg_if2} | ${tg}= | Next Interface
| | Set Suite Variable | ${tg}
| | Set Suite Variable | ${tg_if1}
| | Set Suite Variable | ${tg_if2}
| | Set Suite Variable | ${dut1}
| | Set Suite Variable | ${dut1_if1}
| | Set Suite Variable | ${dut1_if2}
| | Set Suite Variable | ${dut2}
| | Set Suite Variable | ${dut2_if1}
| | Set Suite Variable | ${dut2_if2}

| 2-node circular Topology Variables Setup with DUT interface model
| | [Documentation]
| | ... | Compute path for testing on two given nodes in circular topology
| | ... | based on interface model provided as an argument and set
| | ... | corresponding suite variables.
| | ...
| | ... | *Arguments:*
| | ... | - iface_model - Interface model. Type: string
| | ...
| | ... | _NOTE:_ This KW sets following suite variables:
| | ... | - tg - TG node
| | ... | - tg_if1 - 1st TG interface towards DUT.
| | ... | - tg_if2 - 2nd TG interface towards DUT.
| | ... | - dut1 - DUT1 node
| | ... | - dut1_if1 - 1st DUT interface towards TG.
| | ... | - dut1_if2 - 2nd DUT interface towards TG.
| | ...
| | ... | *Example:*
| | ...
| | ... | \| 2-node circular Topology Variables Setup with DUT interface model \
| | ... | \| Intel-X520-DA2 \|
| | [Arguments] | ${iface_model}
| | ${iface_model_list}= | Create list | ${iface_model}
| | Append Node | ${nodes['TG']}
| | Append Node | ${nodes['DUT1']} | filter_list=${iface_model_list}
| | Append Node | ${nodes['TG']}
| | Compute Path
| | ${tg_if1} | ${tg}= | Next Interface
| | ${dut1_if1} | ${dut1}= | Next Interface
| | ${dut1_if2} | ${dut1}= | Next Interface
| | ${tg_if2} | ${tg}= | Next Interface
| | Set Suite Variable | ${tg}
| | Set Suite Variable | ${tg_if1}
| | Set Suite Variable | ${tg_if2}
| | Set Suite Variable | ${dut1}
| | Set Suite Variable | ${dut1_if1}
| | Set Suite Variable | ${dut1_if2}

| 3-node circular Topology Variables Setup with DUT interface model
| | [Documentation]
| | ... | Compute path for testing on three given nodes in circular topology
| | ... | based on interface model provided as an argument and set
| | ... | corresponding suite variables.
| | ...
| | ... | *Arguments:*
| | ... | - iface_model - Interface model. Type: string
| | ...
| | ... | _NOTE:_ This KW sets following suite variables:
| | ... | - tg - TG node
| | ... | - tg_if1 - TG interface towards DUT1.
| | ... | - tg_if2 - TG interface towards DUT2.
| | ... | - dut1 - DUT1 node
| | ... | - dut1_if1 - DUT1 interface towards TG.
| | ... | - dut1_if2 - DUT1 interface towards DUT2.
| | ... | - dut2 - DUT2 node
| | ... | - dut2_if1 - DUT2 interface towards TG.
| | ... | - dut2_if2 - DUT2 interface towards DUT1.
| | ...
| | ... | *Example:*
| | ...
| | ... | \| 3-node circular Topology Variables Setup with DUT interface model \
| | ... | \| Intel-X520-DA2 \|
| | [Arguments] | ${iface_model}
| | ${iface_model_list}= | Create list | ${iface_model}
| | Append Node | ${nodes['TG']}
| | Append Node | ${nodes['DUT1']} | filter_list=${iface_model_list}
| | Append Node | ${nodes['DUT2']} | filter_list=${iface_model_list}
| | Append Node | ${nodes['TG']}
| | Compute Path
| | ${tg_if1} | ${tg}= | Next Interface
| | ${dut1_if1} | ${dut1}= | Next Interface
| | ${dut1_if2} | ${dut1}= | Next Interface
| | ${dut2_if1} | ${dut2}= | Next Interface
| | ${dut2_if2} | ${dut2}= | Next Interface
| | ${tg_if2} | ${tg}= | Next Interface
| | Set Suite Variable | ${tg}
| | Set Suite Variable | ${tg_if1}
| | Set Suite Variable | ${tg_if2}
| | Set Suite Variable | ${dut1}
| | Set Suite Variable | ${dut1_if1}
| | Set Suite Variable | ${dut1_if2}
| | Set Suite Variable | ${dut2}
| | Set Suite Variable | ${dut2_if1}
| | Set Suite Variable | ${dut2_if2}

| VPP interfaces in path are up in a 2-node circular topology
| | [Documentation]
| | ... | *Set UP state on VPP interfaces in path on nodes in 2-node circular
| | ... | topology.*
| | ...
| | Set Interface State | ${dut1} | ${dut1_if1} | up
| | Set Interface State | ${dut1} | ${dut1_if2} | up
| | Vpp Node Interfaces Ready Wait | ${dut1}

| VPP interfaces in path are up in a 3-node circular topology
| | [Documentation]
| | ... | *Set UP state on VPP interfaces in path on nodes in 3-node circular
| | ... | topology.*
| | ...
| | Set Interface State | ${dut1} | ${dut1_if1} | up
| | Set Interface State | ${dut1} | ${dut1_if2} | up
| | Set Interface State | ${dut2} | ${dut2_if1} | up
| | Set Interface State | ${dut2} | ${dut2_if2} | up
| | Vpp Node Interfaces Ready Wait | ${dut1}
| | Vpp Node Interfaces Ready Wait | ${dut2}

| IPv4 forwarding initialized in a 3-node circular topology
| | [Documentation]
| | ... | Set UP state on VPP interfaces in path on nodes in 3-node circular
| | ... | topology. Get the interface MAC addresses and setup ARP on all VPP
| | ... | interfaces. Setup IPv4 addresses with /24 prefix on DUT-TG links and
| | ... | /30 prefix on DUT1-DUT2 link. Set routing on both DUT nodes with
| | ... | prefix /24 and next hop of neighbour DUT interface IPv4 address.
| | ...
| | Set Interface State | ${dut1} | ${dut1_if1} | up
| | Set Interface State | ${dut1} | ${dut1_if2} | up
| | Set Interface State | ${dut2} | ${dut2_if1} | up
| | Set Interface State | ${dut2} | ${dut2_if2} | up
| | ${tg1_if1_mac}= | Get Interface MAC | ${tg} | ${tg_if1}
| | ${tg1_if2_mac}= | Get Interface MAC | ${tg} | ${tg_if2}
| | ${dut1_if2_mac}= | Get Interface MAC | ${dut1} | ${dut1_if2}
| | ${dut2_if1_mac}= | Get Interface MAC | ${dut2} | ${dut2_if1}
| | dut1_v4.set_arp | ${dut1_if1} | 10.10.10.2 | ${tg1_if1_mac}
| | dut1_v4.set_arp | ${dut1_if2} | 1.1.1.2 | ${dut2_if1_mac}
| | dut2_v4.set_arp | ${dut2_if1} | 1.1.1.1 | ${dut1_if2_mac}
| | dut2_v4.set_arp | ${dut2_if2} | 20.20.20.2 | ${tg1_if2_mac}
| | dut1_v4.set_ip | ${dut1_if1} | 10.10.10.1 | 24
| | dut1_v4.set_ip | ${dut1_if2} | 1.1.1.1 | 30
| | dut2_v4.set_ip | ${dut2_if1} | 1.1.1.2 | 30
| | dut2_v4.set_ip | ${dut2_if2} | 20.20.20.1 | 24
| | dut1_v4.set_route | 20.20.20.0 | 24 | 1.1.1.2 | ${dut1_if2}
| | dut2_v4.set_route | 10.10.10.0 | 24 | 1.1.1.1 | ${dut2_if1}
| | All Vpp Interfaces Ready Wait | ${nodes}

| Scale IPv4 forwarding initialized in a 3-node circular topology
| | [Documentation]
| | ... | Custom setup of IPv4 topology with scalability of ip routes on all
| | ... | DUT nodes in 3-node circular topology
| | ...
| | ... | *Arguments:*
| | ... | - ${count} - IP route count. Type: integer
| | ...
| | ... | *Return:*
| | ... | - No value returned
| | ...
| | ... | *Example:*
| | ...
| | ... | \| Scale IPv4 forwarding initialized in a 3-node circular topology \
| | ... | \| 100000 \|
| | [Arguments] | ${count}
| | Set Interface State | ${dut1} | ${dut1_if1} | up
| | Set Interface State | ${dut1} | ${dut1_if2} | up
| | Set Interface State | ${dut2} | ${dut2_if1} | up
| | Set Interface State | ${dut2} | ${dut2_if2} | up
| | ${tg1_if1_mac}= | Get Interface MAC | ${tg} | ${tg_if1}
| | ${tg1_if2_mac}= | Get Interface MAC | ${tg} | ${tg_if2}
| | ${dut1_if2_mac}= | Get Interface MAC | ${dut1} | ${dut1_if2}
| | ${dut2_if1_mac}= | Get Interface MAC | ${dut2} | ${dut2_if1}
| | Add arp on dut | ${dut1} | ${dut1_if1} | 1.1.1.1 | ${tg1_if1_mac}
| | Add arp on dut | ${dut1} | ${dut1_if2} | 2.2.2.2 | ${dut2_if1_mac}
| | Add arp on dut | ${dut2} | ${dut2_if1} | 2.2.2.1 | ${dut1_if2_mac}
| | Add arp on dut | ${dut2} | ${dut2_if2} | 3.3.3.1 | ${tg1_if2_mac}
| | IP addresses are set on interfaces | ${dut1} | ${dut1_if1} | 1.1.1.2 | 30
| | IP addresses are set on interfaces | ${dut1} | ${dut1_if2} | 2.2.2.1 | 30
| | IP addresses are set on interfaces | ${dut2} | ${dut2_if1} | 2.2.2.2 | 30
| | IP addresses are set on interfaces | ${dut2} | ${dut2_if2} | 3.3.3.2 | 30
| | Vpp Route Add | ${dut1} | 10.0.0.0 | 32 | 1.1.1.1 | ${dut1_if1}
| | ...           | count=${count}
| | Vpp Route Add | ${dut1} | 20.0.0.0 | 32 | 2.2.2.2 | ${dut1_if2}
| | ...           | count=${count}
| | Vpp Route Add | ${dut2} | 10.0.0.0 | 32 | 2.2.2.1 | ${dut2_if1}
| | ...           | count=${count}
| | Vpp Route Add | ${dut2} | 20.0.0.0 | 32 | 3.3.3.1 | ${dut2_if2}
| | ...           | count=${count}
| | All Vpp Interfaces Ready Wait | ${nodes}

| IPv6 forwarding initialized in a 3-node circular topology
| | [Documentation]
| | ... | Set UP state on VPP interfaces in path on nodes in 3-node circular
| | ... | topology. Get the interface MAC addresses and setup neighbour on all
| | ... | VPP interfaces. Setup IPv6 addresses with /128 prefixes on all
| | ... | interfaces. Set routing on both DUT nodes with prefix /64 and
| | ... | next hop of neighbour DUT interface IPv6 address.
| | ...
| | ${prefix}= | Set Variable | 64
| | ${tg1_if1_mac}= | Get Interface MAC | ${tg} | ${tg_if1}
| | ${tg1_if2_mac}= | Get Interface MAC | ${tg} | ${tg_if2}
| | ${dut1_if2_mac}= | Get Interface MAC | ${dut1} | ${dut1_if2}
| | ${dut2_if1_mac}= | Get Interface MAC | ${dut2} | ${dut2_if1}
| | VPP Set If IPv6 Addr | ${dut1} | ${dut1_if1} | 2001:1::1 | ${prefix}
| | VPP Set If IPv6 Addr | ${dut1} | ${dut1_if2} | 2001:3::1 | ${prefix}
| | VPP Set If IPv6 Addr | ${dut2} | ${dut2_if1} | 2001:3::2 | ${prefix}
| | VPP Set If IPv6 Addr | ${dut2} | ${dut2_if2} | 2001:2::1 | ${prefix}
| | Vpp nodes ra suppress link layer | ${nodes}
| | Add Ip Neighbor | ${dut1} | ${dut1_if1} | 2001:1::2 | ${tg1_if1_mac}
| | Add Ip Neighbor | ${dut2} | ${dut2_if2} | 2001:2::2 | ${tg1_if2_mac}
| | Add Ip Neighbor | ${dut1} | ${dut1_if2} | 2001:3::2 | ${dut2_if1_mac}
| | Add Ip Neighbor | ${dut2} | ${dut2_if1} | 2001:3::1 | ${dut1_if2_mac}
| | Vpp Route Add | ${dut1} | 2001:2::0 | ${prefix} | 2001:3::2 | ${dut1_if2}
| | Vpp Route Add | ${dut2} | 2001:1::0 | ${prefix} | 2001:3::1 | ${dut2_if1}

| Scale IPv6 forwarding initialized in a 3-node circular topology
| | [Documentation]
| | ... | Custom setup of IPv6 topology with scalability of ip routes on all
| | ... | DUT nodes in 3-node circular topology
| | ...
| | ... | *Arguments:*
| | ... | - ${count} - IP route count. Type: integer
| | ...
| | ... | *Return:*
| | ... | - No value returned
| | ...
| | ... | *Example:*
| | ...
| | ... | \| Scale IPv6 forwarding initialized in a 3-node circular topology \
| | ... | \| 100000 \|
| | [Arguments] | ${count}
| | ${subn_prefix}= | Set Variable | 64
| | ${host_prefix}= | Set Variable | 128
| | VPP Set If IPv6 Addr | ${dut1} | ${dut1_if1} | 2001:3::1 | ${subn_prefix}
| | VPP Set If IPv6 Addr | ${dut1} | ${dut1_if2} | 2001:4::1 | ${subn_prefix}
| | VPP Set If IPv6 Addr | ${dut2} | ${dut2_if1} | 2001:4::2 | ${subn_prefix}
| | VPP Set If IPv6 Addr | ${dut2} | ${dut2_if2} | 2001:5::1 | ${subn_prefix}
| | ${tg1_if1_mac}= | Get Interface MAC | ${tg} | ${tg_if1}
| | ${tg1_if2_mac}= | Get Interface MAC | ${tg} | ${tg_if2}
| | ${dut1_if2_mac}= | Get Interface MAC | ${dut1} | ${dut1_if2}
| | ${dut2_if1_mac}= | Get Interface MAC | ${dut2} | ${dut2_if1}
| | Vpp nodes ra suppress link layer | ${nodes}
| | Add Ip Neighbor | ${dut1} | ${dut1_if1} | 2001:3::2 | ${tg1_if1_mac}
| | Add Ip Neighbor | ${dut1} | ${dut1_if2} | 2001:4::2 | ${dut2_if1_mac}
| | Add Ip Neighbor | ${dut2} | ${dut2_if1} | 2001:4::1 | ${dut1_if2_mac}
| | Add Ip Neighbor | ${dut2} | ${dut2_if2} | 2001:5::2 | ${tg1_if2_mac}
| | Vpp Route Add | ${dut1} | 2001:2::0 | ${host_prefix} | 2001:4::2
| | ...           | interface=${dut1_if2} | count=${count}
| | Vpp Route Add | ${dut1} | 2001:1::0 | ${host_prefix} | 2001:3::2
| | ...           | interface=${dut1_if1} | count=${count}
| | Vpp Route Add | ${dut2} | 2001:1::0 | ${host_prefix} | 2001:4::1
| | ...           | interface=${dut2_if2} | count=${count}
| | Vpp Route Add | ${dut2} | 2001:2::0 | ${host_prefix} | 2001:5::2
| | ...           | interface=${dut2_if1} | count=${count}

| IPv6 iAcl whitelist initialized in a 3-node circular topology
| | [Documentation]
| | ... | Creates classify L3 table on DUTs. IPv6 iAcl security whitelist
| | ... | ingress /64 filter entries applied on links TG - DUT1 and DUT2 - TG.
| | ...
| | ${table_idx} | ${skip_n} | ${match_n}= | And Vpp Creates Classify Table L3
| | ... | ${dut1} | ip6 | dst
| | And Vpp Configures Classify Session L3
| | ... | ${dut1} | permit | ${table_idx} | ${skip_n} | ${match_n}
| | ... | ip6 | dst | 2001:2::2
| | And Vpp Enable Input Acl Interface
| | ... | ${dut1} | ${dut1_if1} | ip6 | ${table_idx}
| | ${table_idx} | ${skip_n} | ${match_n}= | And Vpp Creates Classify Table L3
| | ... | ${dut2} | ip6 | dst
| | And Vpp Configures Classify Session L3
| | ... | ${dut2} | permit | ${table_idx} | ${skip_n} | ${match_n}
| | ... | ip6 | dst | 2001:1::2
| | And Vpp Enable Input Acl Interface
| | ... | ${dut2} | ${dut2_if2} | ip6 | ${table_idx}

| L2 xconnect initialized in a 3-node circular topology
| | [Documentation]
| | ... | Setup L2 xconnect topology by cross connecting two interfaces on
| | ... | each DUT. Interfaces are brought up.
| | ... |
| | L2 setup xconnect on DUT | ${dut1} | ${dut1_if1} | ${dut1_if2}
| | L2 setup xconnect on DUT | ${dut2} | ${dut2_if1} | ${dut2_if2}
| | All Vpp Interfaces Ready Wait | ${nodes}

| L2 bridge domain initialized in a 3-node circular topology
| | [Documentation]
| | ... | Setup L2 DB topology by adding two interfaces on each DUT into BD
| | ... | that is created automatically with index 1. Learning is enabled.
| | ... | Interfaces are brought up.
| | ... |
| | Vpp l2bd forwarding setup | ${dut1} | ${dut1_if1} | ${dut1_if2}
| | Vpp l2bd forwarding setup | ${dut2} | ${dut2_if1} | ${dut2_if2}
| | All Vpp Interfaces Ready Wait | ${nodes}

2-node Performance Suite Setup with DUT's NIC model
| | [Documentation]
| | ... | Suite preparation phase that setup default startup configuration of
| | ... | VPP on all DUTs. Updates interfaces on all nodes and setup global
| | ... | variables used in test cases based on interface model provided as an
| | ... | argument. Initializes traffic generator.
| | ...
| | ... | *Arguments:*
| | ... | - topology_type - Topology type. Type: string
| | ... | - nic_model - Interface model. Type: string
| | ...
| | ... | *Example:*
| | ...
| | ... | \| 2-node Performance Suite Setup \| L2 \| Intel-X520-DA2 \|
| | [Arguments] | ${topology_type} | ${nic_model}
| | Setup default startup configuration of VPP on all DUTs
| | Show vpp version on all DUTs
| | Setup performance rate Variables
| | Setup performance global Variables
| | 2-node circular Topology Variables Setup with DUT interface model
| | ... | ${nic_model}
| | Initialize traffic generator | ${tg} | ${tg_if1} | ${tg_if2}
| | ...                          | ${dut1} | ${dut1_if1}
| | ...                          | ${dut1} | ${dut1_if2}
| | ...                          | ${topology_type}

3-node Performance Suite Setup with DUT's NIC model
| | [Documentation]
| | ... | Suite preparation phase that setup default startup configuration of
| | ... | VPP on all DUTs. Updates interfaces on all nodes and setup global
| | ... | variables used in test cases based on interface model provided as an
| | ... | argument. Initializes traffic generator.
| | ...
| | ... | *Arguments:*
| | ... | - topology_type - Topology type. Type: string
| | ... | - nic_model - Interface model. Type: string
| | ...
| | ... | *Example:*
| | ...
| | ... | \| 3-node Performance Suite Setup \| L2 \| Intel-X520-DA2 \|
| | [Arguments] | ${topology_type} | ${nic_model}
| | Setup default startup configuration of VPP on all DUTs
| | Show vpp version on all DUTs
| | Setup performance rate Variables
| | Setup performance global Variables
| | 3-node circular Topology Variables Setup with DUT interface model
| | ... | ${nic_model}
| | Initialize traffic generator | ${tg} | ${tg_if1} | ${tg_if2}
| | ...                          | ${dut1} | ${dut1_if1}
| | ...                          | ${dut2} | ${dut2_if2}
| | ...                          | ${topology_type}

| 3-node Performance Suite Teardown
| | [Documentation]
| | ... | Suite teardown phase with traffic generator teardown.
| | ...
| | Teardown traffic generator | ${tg}

| Find NDR using linear search and pps
| | [Documentation]
| | ... | Find throughput by using RFC2544 linear search with non drop rate.
| | ...
| | ... | *Arguments:*
| | ... | - framesize - L2 Frame Size [B]. Type: integer
| | ... | - start_rate - Initial start rate [pps]. Type: float
| | ... | - step_rate - Step of linear search [pps]. Type: float
| | ... | - topology_type - Topology type. Type: string
| | ... | - min_rate - Lower limit of search [pps]. Type: float
| | ... | - max_rate - Upper limit of search [pps]. Type: float
| | ...
| | ... | *Return:*
| | ... | - No value returned
| | ...
| | ... | *Example:*
| | ...
| | ... | \| Find NDR using linear search and pps \| 64 \| 5000000 \| \
| | ... | \| 100000 \| 3-node-IPv4 \| 100000 \| 14880952
| | [Arguments] | ${framesize} | ${start_rate} | ${step_rate}
| | ...         | ${topology_type} | ${min_rate} | ${max_rate}
| | ${duration}= | Set Variable | 10
| | Set Duration | ${duration}
| | Set Search Rate Boundaries | ${max_rate} | ${min_rate}
| | Set Search Linear Step | ${step_rate}
| | Set Search Frame Size | ${framesize}
| | Set Search Rate Type pps
| | Linear Search | ${start_rate} | ${topology_type}
| | ${rate_per_stream} | ${latency}= | Verify Search Result
| | Display result of NDR search | ${rate_per_stream} | ${framesize} | 2
| | ...                          | ${latency}
| | Traffic should pass with no loss | ${duration} | ${rate_per_stream}pps
| | ...                              | ${framesize} | ${topology_type}
| | ...                              | fail_on_loss=${False}

| Find PDR using linear search and pps
| | [Documentation]
| | ... | Find throughput by using RFC2544 linear search with partial drop rate
| | ... | with PDR threshold and type specified by parameter.
| | ...
| | ... | *Arguments:*
| | ... | - framesize - L2 Frame Size [B]. Type: integer
| | ... | - start_rate - Initial start rate [pps]. Type: float
| | ... | - step_rate - Step of linear search [pps]. Type: float
| | ... | - topology_type - Topology type. Type: string
| | ... | - min_rate - Lower limit of search [pps]. Type: float
| | ... | - max_rate - Upper limit of search [pps]. Type: float
| | ... | - loss_acceptance - Accepted loss during search. Type: float
| | ... | - loss_acceptance_type - Percentage or frames. Type: string
| | ...
| | ... | *Example:*
| | ...
| | ... | \| Find PDR using linear search and pps \| 64 \| 5000000 \
| | ... | \| 100000 \| 3-node-IPv4 \| 100000 \| 14880952 \| 0.5 \| percentage
| | [Arguments] | ${framesize} | ${start_rate} | ${step_rate}
| | ...         | ${topology_type} | ${min_rate} | ${max_rate}
| | ...         | ${loss_acceptance}=0 | ${loss_acceptance_type}='frames'
| | ${duration}= | Set Variable | 10
| | Set Duration | ${duration}
| | Set Search Rate Boundaries | ${max_rate} | ${min_rate}
| | Set Search Linear Step | ${step_rate}
| | Set Search Frame Size | ${framesize}
| | Set Search Rate Type pps
| | Set Loss Acceptance | ${loss_acceptance}
| | Run Keyword If | '${loss_acceptance_type}' == 'percentage'
| | ...            | Set Loss Acceptance Type Percentage
| | Linear Search | ${start_rate} | ${topology_type}
| | ${rate_per_stream} | ${latency}= | Verify Search Result
| | Display result of PDR search | ${rate_per_stream} | ${framesize} | 2
| | ...                          | ${loss_acceptance} | ${loss_acceptance_type}
| | ...                          | ${latency}
| | Traffic should pass with partial loss | ${duration} | ${rate_per_stream}pps
| | ...                                   | ${framesize} | ${topology_type}
| | ...                                   | ${loss_acceptance}
| | ...                                   | ${loss_acceptance_type}
| | ...                                   | fail_on_loss=${False}

| Find NDR using binary search and pps
| | [Documentation]
| | ... | Find throughput by using RFC2544 binary search with non drop rate.
| | ...
| | ... | *Arguments:*
| | ... | - framesize - L2 Frame Size [B]. Type: integer
| | ... | - binary_min - Lower boundary of search [pps]. Type: float
| | ... | - binary_max - Upper boundary of search [pps]. Type: float
| | ... | - topology_type - Topology type. Type: string
| | ... | - min_rate - Lower limit of search [pps]. Type: float
| | ... | - max_rate - Upper limit of search [pps]. Type: float
| | ... | - threshold - Threshold to stop search [pps]. Type: integer
| | ...
| | ... | *Example:*
| | ...
| | ... | \| Find NDR using binary search and pps \| 64 \| 6000000 \
| | ... | \| 12000000 \| 3-node-IPv4 \| 100000 \| 14880952 \| 50000
| | [Arguments] | ${framesize} | ${binary_min} | ${binary_max}
| | ...         | ${topology_type} | ${min_rate} | ${max_rate} | ${threshold}
| | ${duration}= | Set Variable | 10
| | Set Duration | ${duration}
| | Set Search Rate Boundaries | ${max_rate} | ${min_rate}
| | Set Search Frame Size | ${framesize}
| | Set Search Rate Type pps
| | Set Binary Convergence Threshold | ${threshold}
| | Binary Search | ${binary_min} | ${binary_max} | ${topology_type}
| | ${rate_per_stream} | ${latency}= | Verify Search Result
| | Display result of NDR search | ${rate_per_stream} | ${framesize} | 2
| | ...                          | ${latency}
| | Traffic should pass with no loss | ${duration} | ${rate_per_stream}pps
| | ...                              | ${framesize} | ${topology_type}
| | ...                              | fail_on_loss=${False}

| Find PDR using binary search and pps
| | [Documentation]
| | ... | Find throughput by using RFC2544 binary search with partial drop rate
| | ... | with PDR threshold and type specified by parameter.
| | ...
| | ... | *Arguments:*
| | ... | - framesize - L2 Frame Size [B]. Type: integer
| | ... | - binary_min - Lower boundary of search [pps]. Type: float
| | ... | - binary_max - Upper boundary of search [pps]. Type: float
| | ... | - topology_type - Topology type. Type: string
| | ... | - min_rate - Lower limit of search [pps]. Type: float
| | ... | - max_rate - Upper limit of search [pps]. Type: float
| | ... | - threshold - Threshold to stop search [pps]. Type: integer
| | ... | - loss_acceptance - Accepted loss during search. Type: float
| | ... | - loss_acceptance_type - Percentage or frames. Type: string
| | ...
| | ... | *Example:*
| | ...
| | ... | \| Find PDR using binary search and pps \| 64 \| 6000000 \
| | ... | \| 12000000 \| 3-node-IPv4 \| 100000 \| 14880952 \| 50000 \| 0.5 \
| | ... | \| percentage
| | [Arguments] | ${framesize} | ${binary_min} | ${binary_max}
| | ...         | ${topology_type} | ${min_rate} | ${max_rate} | ${threshold}
| | ...         | ${loss_acceptance}=0 | ${loss_acceptance_type}='frames'
| | ${duration}= | Set Variable | 10
| | Set Duration | ${duration}
| | Set Search Rate Boundaries | ${max_rate} | ${min_rate}
| | Set Search Frame Size | ${framesize}
| | Set Search Rate Type pps
| | Set Loss Acceptance | ${loss_acceptance}
| | Run Keyword If | '${loss_acceptance_type}' == 'percentage'
| | ...            | Set Loss Acceptance Type Percentage
| | Set Binary Convergence Threshold | ${threshold}
| | Binary Search | ${binary_min} | ${binary_max} | ${topology_type}
| | ${rate_per_stream} | ${latency}= | Verify Search Result
| | Display result of PDR search | ${rate_per_stream} | ${framesize} | 2
| | ...                          | ${loss_acceptance} | ${loss_acceptance_type}
| | ...                          | ${latency}
| | Traffic should pass with partial loss | ${duration} | ${rate_per_stream}pps
| | ...                                   | ${framesize} | ${topology_type}
| | ...                                   | ${loss_acceptance}
| | ...                                   | ${loss_acceptance_type}
| | ...                                   | fail_on_loss=${False}

| Find NDR using combined search and pps
| | [Documentation]
| | ... | Find throughput by using RFC2544 combined search (linear+binary) with
| | ... | non drop rate.
| | ...
| | ... | *Arguments:*
| | ... | - framesize - L2 Frame Size [B]. Type: integer
| | ... | - start_rate - Initial start rate [pps]. Type: float
| | ... | - step_rate - Step of linear search [pps]. Type: float
| | ... | - topology_type - Topology type. Type: string
| | ... | - min_rate - Lower limit of search [pps]. Type: float
| | ... | - max_rate - Upper limit of search [pps]. Type: float
| | ... | - threshold - Threshold to stop search [pps]. Type: integer
| | ...
| | ... | *Example:*
| | ...
| | ... | \| Find NDR using combined search and pps \| 64 \| 5000000 \
| | ... | \| 100000 \| 3-node-IPv4 \| 100000 \| 14880952 \| 5000
| | [Arguments] | ${framesize} | ${start_rate} | ${step_rate}
| | ...         | ${topology_type} | ${min_rate} | ${max_rate} | ${threshold}
| | ${duration}= | Set Variable | 10
| | Set Duration | ${duration}
| | Set Search Rate Boundaries | ${max_rate} | ${min_rate}
| | Set Search Linear Step | ${step_rate}
| | Set Search Frame Size | ${framesize}
| | Set Search Rate Type pps
| | Set Binary Convergence Threshold | ${threshold}
| | Combined Search | ${start_rate} | ${topology_type}
| | ${rate_per_stream} | ${latency}= | Verify Search Result
| | Display result of NDR search | ${rate_per_stream} | ${framesize} | 2
| | ...                          | ${latency}
| | Traffic should pass with no loss | ${duration} | ${rate_per_stream}pps
| | ...                              | ${framesize} | ${topology_type}
| | ...                              | fail_on_loss=${False}

| Find PDR using combined search and pps
| | [Documentation]
| | ... | Find throughput by using RFC2544 combined search (linear+binary) with
| | ... | partial drop rate with PDR threshold and type specified by parameter.
| | ...
| | ... | *Arguments:*
| | ... | - framesize - L2 Frame Size [B]. Type: integer
| | ... | - start_rate - Initial start rate [pps]. Type: float
| | ... | - step_rate - Step of linear search [pps]. Type: float
| | ... | - topology_type - Topology type. Type: string
| | ... | - min_rate - Lower limit of search [pps]. Type: float
| | ... | - max_rate - Upper limit of search [pps]. Type: float
| | ... | - threshold - Threshold to stop search [pps]. Type: integer
| | ... | - loss_acceptance - Accepted loss during search. Type: float
| | ... | - loss_acceptance_type - Percentage or frames. Type: string
| | ...
| | ... | *Example:*
| | ...
| | ... | \| Find PDR using combined search and pps \| 64 \| 5000000 \
| | ... | \| 100000 \| 3-node-IPv4 \| 100000 \| 14880952 \| 5000 \| 0.5 \
| | ... | \| percentage
| | [Arguments] | ${framesize} | ${start_rate} | ${step_rate}
| | ...         | ${topology_type} | ${min_rate} | ${max_rate} | ${threshold}
| | ...         | ${loss_acceptance}=0 | ${loss_acceptance_type}='frames'
| | ${duration}= | Set Variable | 10
| | Set Duration | ${duration}
| | Set Search Rate Boundaries | ${max_rate} | ${min_rate}
| | Set Search Linear Step | ${step_rate}
| | Set Search Frame Size | ${framesize}
| | Set Search Rate Type pps
| | Set Loss Acceptance | ${loss_acceptance}
| | Run Keyword If | '${loss_acceptance_type}' == 'percentage'
| | ...            | Set Loss Acceptance Type Percentage
| | Set Binary Convergence Threshold | ${threshold}
| | Combined Search | ${start_rate} | ${topology_type}
| | ${rate_per_stream} | ${latency}= | Verify Search Result
| | Display result of PDR search | ${rate_per_stream} | ${framesize} | 2
| | ...                          | ${loss_acceptance} | ${loss_acceptance_type}
| | ...                          | ${latency}
| | Traffic should pass with partial loss | ${duration} | ${rate_per_stream}pps
| | ...                                   | ${framesize} | ${topology_type}
| | ...                                   | ${loss_acceptance}
| | ...                                   | ${loss_acceptance_type}
| | ...                                   | fail_on_loss=${False}

| Display result of NDR search
| | [Documentation]
| | ... | Display result of NDR search in packet per seconds (total and per
| | ... | stream) and Gbps total bandwidth with untagged packet.
| | ... | Througput is calculated as:
| | ... | Measured rate per stream * Total number of streams
| | ... | Bandwidth is calculated as:
| | ... | (Througput * (L2 Frame Size + IPG) * 8) / Max bitrate of NIC
| | ...
| | ... | *Arguments:*
| | ... | - rate_per_stream - Measured rate per stream [pps]. Type: string
| | ... | - framesize - L2 Frame Size [B]. Type: integer
| | ... | - nr_streams - Total number of streams. Type: integer
| | ... | - latency - Latency stats. Type: dictionary
| | ...
| | ... | *Example:*
| | ...
| | ... | \| Display result of NDR search \| 4400000 \| 64 \| 2 \
| | ... | \| (0, 10/10/10) \|
| | [Arguments] | ${rate_per_stream} | ${framesize} | ${nr_streams}
| | ...         | ${latency}
| | ${framesize}= | Get Frame Size | ${framesize}
| | ${rate_total}= | Evaluate | ${rate_per_stream}*${nr_streams}
| | ${bandwidth_total}= | Evaluate | ${rate_total}*(${framesize}+20)*8/(10**9)
| | Set Test Message | FINAL_RATE: ${rate_total} pps
| | Set Test Message | (${nr_streams}x ${rate_per_stream} pps)
| | ...              | append=yes
| | Set Test Message | ${\n}FINAL_BANDWIDTH: ${bandwidth_total} Gbps (untagged)
| | ...              | append=yes
| | :FOR | ${idx} | ${lat} | IN ENUMERATE | @{latency}
| | | Set Test Message | ${\n}LATENCY_STREAM_${idx}: ${lat} usec (min/avg/max)
| | ...                | append=yes

| Display result of PDR search
| | [Documentation]
| | ... | Display result of PDR search in packet per seconds (total and per
| | ... | stream) and Gbps total bandwidth with untagged packet.
| | ... | Througput is calculated as:
| | ... | Measured rate per stream * Total number of streams
| | ... | Bandwidth is calculated as:
| | ... | (Througput * (L2 Frame Size + IPG) * 8) / Max bitrate of NIC
| | ...
| | ... | *Arguments:*
| | ... | - rate_per_stream - Measured rate per stream [pps]. Type: string
| | ... | - framesize - L2 Frame Size [B]. Type: integer
| | ... | - nr_streams - Total number of streams. Type: integer
| | ... | - loss_acceptance - Accepted loss during search. Type: float
| | ... | - loss_acceptance_type - Percentage or frames. Type: string
| | ... | - latency - Latency stats. Type: dictionary
| | ...
| | ... | *Example:*
| | ...
| | ... | \| Display result of PDR search \| 4400000 \| 64 \| 2 \| 0.5 \
| | ... | \| percentage \| (0, 10/10/10) \|
| | [Arguments] | ${rate_per_stream} | ${framesize} | ${nr_streams}
| | ...         | ${loss_acceptance} | ${loss_acceptance_type} | ${latency}
| | ${framesize}= | Get Frame Size | ${framesize}
| | ${rate_total}= | Evaluate | ${rate_per_stream}*${nr_streams}
| | ${bandwidth_total}= | Evaluate | ${rate_total}*(${framesize}+20)*8/(10**9)
| | Set Test Message | FINAL_RATE: ${rate_total} pps
| | Set Test Message | (${nr_streams}x ${rate_per_stream} pps)
| | ...              | append=yes
| | Set Test Message | ${\n}FINAL_BANDWIDTH: ${bandwidth_total} Gbps (untagged)
| | ...              | append=yes
| | :FOR | ${idx} | ${lat} | IN ENUMERATE | @{latency}
| | | Set Test Message | ${\n}LATENCY_STREAM_${idx}: ${lat} usec (min/avg/max)
| | ...                | append=yes
| | Set Test Message | ${\n}LOSS_ACCEPTANCE: ${loss_acceptance} ${loss_acceptance_type}
| | ...              | append=yes

| Traffic should pass with no loss
| | [Documentation]
| | ... | Send traffic at specified rate. No packet loss is accepted at loss
| | ... | evaluation.
| | ...
| | ... | *Arguments:*
| | ... | - duration - Duration of traffic run [s]. Type: integer
| | ... | - rate - Rate for sending packets. Type: string
| | ... | - framesize - L2 Frame Size [B]. Type: integer
| | ... | - topology_type - Topology type. Type: string
| | ...
| | ... | *Example:*
| | ...
| | ... | \| Traffic should pass with no loss \| 10 \| 4.0mpps \| 64 \
| | ... | \| 3-node-IPv4
| | [Arguments] | ${duration} | ${rate} | ${framesize} | ${topology_type}
| | ...         | ${fail_on_loss}=${True}
| | Clear and show runtime counters with running traffic | ${duration}
| | ...  | ${rate} | ${framesize} | ${topology_type}
| | Clear all counters on all DUTs
| | Send traffic on tg | ${duration} | ${rate} | ${framesize}
| | ...                | ${topology_type} | warmup_time=0
| | Show statistics on all DUTs
| | Run Keyword If | ${fail_on_loss} | No traffic loss occurred

| Traffic should pass with partial loss
| | [Documentation]
| | ... | Send traffic at specified rate. Partial packet loss is accepted
| | ... | within loss acceptance value specified as argument.
| | ...
| | ... | *Arguments:*
| | ... | - duration - Duration of traffic run [s]. Type: integer
| | ... | - rate - Rate for sending packets. Type: string
| | ... | - framesize - L2 Frame Size [B]. Type: integer
| | ... | - topology_type - Topology type. Type: string
| | ... | - loss_acceptance - Accepted loss during search. Type: float
| | ... | - loss_acceptance_type - Percentage or frames. Type: string
| | ...
| | ... | *Example:*
| | ...
| | ... | \| Traffic should pass with partial loss \| 10 \| 4.0mpps \| 64 \
| | ... | \| 3-node-IPv4 \| 0.5 \| percentage
| | [Arguments] | ${duration} | ${rate} | ${framesize} | ${topology_type}
| | ...         | ${loss_acceptance} | ${loss_acceptance_type}
| | ...         | ${fail_on_loss}=${True}
| | Clear and show runtime counters with running traffic | ${duration}
| | ...  | ${rate} | ${framesize} | ${topology_type}
| | Clear all counters on all DUTs
| | Send traffic on tg | ${duration} | ${rate} | ${framesize}
| | ...                | ${topology_type} | warmup_time=0
| | Show statistics on all DUTs
| | Run Keyword If | ${fail_on_loss} | Partial traffic loss accepted
| | ...            | ${loss_acceptance} | ${loss_acceptance_type}

| Clear and show runtime counters with running traffic
| | [Documentation]
| | ... | Start traffic at specified rate then clear runtime counters on all
| | ... | DUTs. Wait for specified amount of time and capture runtime counters
| | ... | on all DUTs. Finally stop traffic
| | ...
| | ... | *Arguments:*
| | ... | - duration - Duration of traffic run [s]. Type: integer
| | ... | - rate - Rate for sending packets. Type: string
| | ... | - framesize - L2 Frame Size [B]. Type: integer
| | ... | - topology_type - Topology type. Type: string
| | ...
| | ... | *Example:*
| | ...
| | ... | \| Traffic should pass with partial loss \| 10 \| 4.0mpps \| 64 \
| | ... | \| 3-node-IPv4 \| 0.5 \| percentage
| | [Arguments] | ${duration} | ${rate} | ${framesize} | ${topology_type}
| | Send traffic on tg | -1 | ${rate} | ${framesize}
| | ...                | ${topology_type} | warmup_time=0 | async_call=${True}
| | ...                | latency=${False}
| | Clear runtime counters on all DUTs
| | Sleep | ${duration}
| | Show runtime counters on all DUTs
| | Stop traffic on tg

| Add PCI devices to DUTs from 3-node single link topology
| | ${dut1_if1_pci}= | Get Interface PCI Addr | ${dut1} | ${dut1_if1}
| | ${dut1_if2_pci}= | Get Interface PCI Addr | ${dut1} | ${dut1_if2}
| | ${dut2_if1_pci}= | Get Interface PCI Addr | ${dut2} | ${dut2_if1}
| | ${dut2_if2_pci}= | Get Interface PCI Addr | ${dut2} | ${dut2_if2}
| | Add PCI device | ${dut1} | ${dut1_if1_pci} | ${dut1_if2_pci}
| | Add PCI device | ${dut2} | ${dut2_if1_pci} | ${dut2_if2_pci}