GSO: TAP/VHOST use case

Signed-off-by: pmikus <pmikus@cisco.com>
Change-Id: Ibafaaca4438587284d1e255c764f0701002941e8

6 files changed, 310 insertions, 29 deletions

diff --git a/resources/libraries/robot/performance/performance_actions.robot b/resources/libraries/robot/performance/performance_actions.robot
index 2cf954a5b3..c28b2ebdc8 100644
--- a/resources/libraries/robot/performance/performance_actions.robot
+++ b/resources/libraries/robot/performance/performance_actions.robot
@@ -1,4 +1,4 @@
-# Copyright (c) 2020 Cisco and/or its affiliates.
+# 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:
@@ -35,6 +35,15 @@
 | |
 | | Clear and show runtime counters with running traffic
 
+| Additional Statistics Action For clear-show-runtime-with-iperf3
+| | [Documentation]
+| | ... | Additional Statistics Action for clear and show runtime counters with
+| | ... | iPerf3 running traffic.
+| |
+| | ... | See documentation of the called keyword for required test variables.
+| |
+| | Clear and show runtime counters with running iperf3
+
 | Additional Statistics Action For noop
 | | [Documentation]
 | | ... | Additional Statistics Action for no operation.
diff --git a/resources/libraries/robot/performance/performance_utils.robot b/resources/libraries/robot/performance/performance_utils.robot
index 5cf6dba84c..d45adc6cf9 100644
--- a/resources/libraries/robot/performance/performance_utils.robot
+++ b/resources/libraries/robot/performance/performance_utils.robot
@@ -1,4 +1,4 @@
-# Copyright (c) 2020 Cisco and/or its affiliates.
+# 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:
@@ -17,6 +17,7 @@
 | Library | resources.libraries.python.NodePath
 | Library | resources.libraries.python.PerfUtil
 | Library | resources.libraries.python.InterfaceUtil
+| Library | resources.libraries.python.Iperf3
 | Library | resources.libraries.python.TrafficGenerator
 | Library | resources.libraries.python.TrafficGenerator.OptimizedSearch
 | Library | resources.libraries.python.TrafficGenerator.TGDropRateSearchImpl
@@ -445,6 +446,162 @@
 | | END
 | | Return From Keyword | ${results}
 
+| Clear and show runtime counters with running iperf3
+| | [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.
+| |
+| | ... | *Example:*
+| |
+| | ... | \| Clear and show runtime counters with running traffic \|
+| |
+| | ${runtime_duration} = | Get Runtime Duration
+| | ${pids}= | iPerf Client Start Remote Exec
+| | | ... | ${nodes['${iperf_client_node}']}
+| | | ... | duration=${-1}
+| | | ... | rate=${None}
+| | | ... | frame_size=${None}
+| | | ... | async_call=True
+| | | ... | warmup_time=0
+| | | ... | traffic_directions=${1}
+| | | ... | namespace=${iperf_client_namespace}
+| | | ... | udp=${iperf_client_udp}
+| | | ... | host=${iperf_server_bind}
+| | | ... | bind=${iperf_client_bind}
+| | | ... | affinity=${iperf_client_affinity}
+| | FOR | ${action} | IN | @{pre_run_stats}
+| | | Run Keyword | Additional Statistics Action For ${action}
+| | END
+| | Sleep | ${runtime_duration}
+| | FOR | ${action} | IN | @{post_run_stats}
+| | | Run Keyword | Additional Statistics Action For ${action}
+| | END
+| | iPerf Client Stop Remote Exec | ${nodes['${iperf_client_node}']} | ${pids}
+
+| Traffic should pass with maximum rate on iPerf3
+| | [Documentation]
+| | ... | Send traffic at maximum rate on iPerf3.
+| |
+| | ... | *Arguments:*
+| | ... | - trial_duration - Duration of single trial [s].
+| | ... | Type: float
+| | ... | - trial_multiplicity - How many trials in this measurement.
+| | ... | Type: integer
+| | ... | - traffic_directions - Bi- (2) or uni- (1) directional traffic;
+| | ... | Type: integer
+| |
+| | ... | *Example:*
+| |
+| | ... | \| Traffic should pass with maximum rate on iPerf3 \| \${1} \| \
+| | ... | \| \${10.0} \| \${2} \|
+| |
+| | [Arguments] | ${trial_duration}=${trial_duration}
+| | ... | ${trial_multiplicity}=${trial_multiplicity}
+| | ... | ${traffic_directions}=${1}
+| |
+| | ${results}= | Send iPerf3 traffic at specified rate
+| | ... | ${trial_duration} | ${None} | ${None}
+| | ... | ${trial_multiplicity} | ${traffic_directions}
+| | Set Test Message | ${\n}iPerf3 trial results
+| | Set Test Message | in Gbits per second: ${results}
+| | ... | append=yes
+
+| Send iPerf3 traffic at specified rate
+| | [Documentation]
+| | ... | Perform a warmup, show runtime counters during it.
+| | ... | Then send traffic at specified rate, possibly multiple trials.
+| | ... | Show various DUT stats, optionally also packet trace.
+| | ... | Return list of measured receive rates.
+| |
+| | ... | *Arguments:*
+| | ... | - trial_duration - Duration of single trial [s].
+| | ... | Type: float
+| | ... | - rate - Target aggregate transmit rate [bps] / Bits per second
+| | ... | Type: float
+| | ... | - frame_size - L2 Frame Size [B].
+| | ... | Type: integer or string
+| | ... | - trial_multiplicity - How many trials in this measurement.
+| | ... | Type: integer
+| | ... | - traffic_directions - Bi- (2) or uni- (1) directional traffic.
+| | ... | Type: integer
+| | ... | - extended_debug - True to enable extended debug.
+| | ... | Type: boolean
+| |
+| | ... | *Example:*
+| |
+| | ... | \| Send iPerf3 traffic at specified rate \| \${1.0} \| ${4000000.0} \
+| | ... | \| \${64} \| \${10} \| \${1} \| ${False} \|
+| |
+| | [Arguments] | ${trial_duration} | ${rate} | ${frame_size}
+| | ... | ${trial_multiplicity}=${trial_multiplicity}
+| | ... | ${traffic_directions}=${1} | ${extended_debug}=${extended_debug}
+| |
+| | Set Test Variable | ${extended_debug}
+| | Set Test Variable | ${rate}
+| | Set Test Variable | ${traffic_directions}
+| |
+| | ${smt_used}= | Is SMT enabled | ${nodes['${iperf_server_node}']['cpuinfo']}
+| | ${vm_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Get Library Instance | vnf_manager
+| | ${vth}= | Evaluate | (${thr_count_int} + 1)
+| | ${cpu_skip_cnt}= | Set Variable If | '${vm_status}' == 'PASS'
+| | ... | ${CPU_CNT_SYSTEM}
+| | ... | ${${CPU_CNT_SYSTEM} + ${CPU_CNT_MAIN} + ${cpu_count_int} + ${vth}}
+| |
+| | Initialize iPerf Server
+| | ... | ${nodes['${iperf_server_node}']}
+| | ... | pf_key=${iperf_server_pf_key}
+| | ... | interface=${iperf_server_interface}
+| | ... | bind=${iperf_server_bind}
+| | ... | bind_gw=${iperf_server_bind_gw}
+| | ... | bind_mask=${iperf_server_bind_mask}
+| | ... | namespace=${iperf_server_namespace}
+| | ... | cpu_skip_cnt=${cpu_skip_cnt}
+| | Run Keyword If | '${iperf_client_namespace}' is not '${None}'
+| | ... | Set Linux Interface IP
+| | ... | ${nodes['${iperf_client_node}']}
+| | ... | interface=${iperf_client_interface}
+| | ... | ip_addr=${iperf_client_bind}
+| | ... | prefix=${iperf_client_bind_mask}
+| | ... | namespace=${iperf_client_namespace}
+| | Run Keyword If | '${iperf_client_namespace}' is not '${None}'
+| | ... | Add Default Route To Namespace
+| | ... | ${nodes['${iperf_client_node}']}
+| | ... | namespace=${iperf_client_namespace}
+| | ... | default_route=${iperf_client_bind_gw}
+| | ${pre_stats}= | Create List
+| | ... | clear-show-runtime-with-iperf3
+| | ... | vpp-clear-stats | vpp-enable-packettrace | vpp-enable-elog
+| | FOR | ${action} | IN | @{pre_stats}
+| | | Run Keyword | Additional Statistics Action For ${action}
+| | END
+| | ${results} = | Create List
+| | FOR | ${i} | IN RANGE | ${trial_multiplicity}
+| | | ${rr} = | iPerf Client Start Remote Exec
+| | | ... | ${nodes['${iperf_client_node}']}
+| | | ... | duration=${trial_duration}
+| | | ... | rate=${rate}
+| | | ... | frame_size=${frame_size}
+| | | ... | async_call=False
+| | | ... | warmup_time=0
+| | | ... | traffic_directions=${traffic_directions}
+| | | ... | namespace=${iperf_client_namespace}
+| | | ... | udp=${iperf_client_udp}
+| | | ... | host=${iperf_server_bind}
+| | | ... | bind=${iperf_client_bind}
+| | | ... | affinity=${iperf_client_affinity}
+| | | ${conv} = | Convert To Number | ${rr['sum_received']['bits_per_second']}
+| | | ${conv} = | Evaluate | ${conv} / ${1000} / ${1000} / ${1000}
+| | | ${conv} = | Evaluate | "{:.3f}".format(${conv})
+| | | Append To List
+| | | ... | ${results} | ${conv}
+| | END
+| | FOR | ${action} | IN | @{post_stats}
+| | | Run Keyword | Additional Statistics Action For ${action}
+| | END
+| | Return From Keyword | ${results}
+
 | Start Traffic on Background
 | | [Documentation]
 | | ... | Start traffic at specified rate then return control to Robot.
diff --git a/resources/libraries/robot/shared/default.robot b/resources/libraries/robot/shared/default.robot
index e44141d8ad..1ae21e1049 100644
--- a/resources/libraries/robot/shared/default.robot
+++ b/resources/libraries/robot/shared/default.robot
@@ -1,4 +1,4 @@
-# Copyright (c) 2020 Cisco and/or its affiliates.
+# 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:
@@ -34,6 +34,7 @@
 | Library | resources.libraries.python.PapiHistory
 | Library | resources.libraries.python.SchedUtils
 | Library | resources.libraries.python.Tap
+| Library | resources.libraries.python.Tap.TapFeatureMask
 | Library | resources.libraries.python.TestConfig
 | Library | resources.libraries.python.TGSetup
 | Library | resources.libraries.python.topology.Topology
diff --git a/resources/libraries/robot/shared/interfaces.robot b/resources/libraries/robot/shared/interfaces.robot
index 27908c3cf8..a9b6440173 100644
--- a/resources/libraries/robot/shared/interfaces.robot
+++ b/resources/libraries/robot/shared/interfaces.robot
@@ -1,4 +1,4 @@
-# Copyright (c) 2020 Cisco and/or its affiliates.
+# 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:
@@ -44,10 +44,17 @@
 | | ... | *Set UP state on VPP interfaces in path on all DUT nodes and set
 | | ... | maximal MTU.*
 | |
+| | ... | *Arguments:*
+| | ... | - validate - Validate interfaces are up.
+| | ... | Type: boolean
+| |
+| | [Arguments] | ${validate}=${True}
+| |
 | | FOR | ${dut} | IN | @{duts}
 | | | Set interfaces in path up on node | ${dut}
 | | END
-| | All VPP Interfaces Ready Wait | ${nodes} | retries=${60}
+| | Run Keyword If | ${validate}
+| | ... | All VPP Interfaces Ready Wait | ${nodes} | retries=${60}
 
 | Set interfaces in path up on node
 | | [Documentation]
@@ -109,6 +116,18 @@
 | |
 | | Run Keyword | Pre-initialize layer ${driver} on all DUTs
 
+| Pre-initialize layer tap on all DUTs
+| | [Documentation]
+| | ... | Pre-initialize tap driver. Currently no operation.
+| |
+| | No operation
+
+| Pre-initialize layer vhost on all DUTs
+| | [Documentation]
+| | ... | Pre-initialize vhost driver. Currently no operation.
+| |
+| | No operation
+
 | Pre-initialize layer vfio-pci on all DUTs
 | | [Documentation]
 | | ... | Pre-initialize vfio-pci driver by adding related sections to startup
@@ -179,18 +198,20 @@
 | | ... | *Arguments:*
 | | ... | - driver - NIC driver used in test [vfio-pci|avf|rdma-core].
 | | ... | Type: string
+| | ... | - validate - Validate interfaces are up.
+| | ... | Type: boolean
 | |
 | | ... | *Example:*
 | |
 | | ... | \| Initialize layer driver \| vfio-pci \|
 | |
-| | [Arguments] | ${driver}
+| | [Arguments] | ${driver} | ${validate}=${True}
 | |
 | | FOR | ${dut} | IN | @{duts}
 | | | Initialize layer driver on node | ${dut} | ${driver}
 | | END
 | | Set Test Variable | ${int} | vf
-| | Set interfaces in path up
+| | Set interfaces in path up | validate=${validate}
 
 | Initialize layer driver on node
 | | [Documentation]
@@ -236,6 +257,72 @@
 | | | Run Keyword | Initialize layer ${driver} on node | ${dut} | ${pf}
 | | END
 
+| Initialize layer tap on node
+| | [Documentation]
+| | ... | Initialize tap interfaces on DUT.
+| |
+| | ... | *Arguments:*
+| | ... | - dut - DUT node.
+| | ... | Type: string
+| | ... | - pf - TAP ID (logical port).
+| | ... | Type: integer
+| |
+| | ... | *Example:*
+| |
+| | ... | \| Initialize layer tap on node \| DUT1 \| 0 \|
+| |
+| | [Arguments] | ${dut} | ${pf}
+| |
+| | Create Namespace
+| | ... | ${nodes['${dut}']} | tap${${pf}-1}_namespace
+| | ${tap_feature_mask}= | Create Tap feature mask | gso=${enable_gso}
+| | ${_tap}=
+| | ... | And Add Tap Interface | ${nodes['${dut}']} | tap${${pf}-1}
+| | ... | host_namespace=tap${${pf}-1}_namespace
+| | ... | num_rx_queues=${rxq_count_int}
+| | ... | rxq_size=${nic_rxq_size} | txq_size=${nic_txq_size}
+| | ... | tap_feature_mask=${tap_feature_mask}
+| | ${_mac}=
+| | ... | Get Interface MAC | ${nodes['${dut}']} | tap${pf}
+| | ${_tap}= | Create List | ${_tap}
+| | ${_mac}= | Create List | ${_mac}
+| | Vhost User Affinity
+| | ... | ${nodes['${dut}']} | ${${dut}_pf${pf}}[0]
+| | ... | skip_cnt=${${CPU_CNT_MAIN}+${CPU_CNT_SYSTEM}+${cpu_count_int}}
+| | Set Test Variable
+| | ... | ${${dut}_vf${pf}} | ${_tap}
+| | Set Test Variable
+| | ... | ${${dut}_vf${pf}_mac} | ${_mac}
+
+| Initialize layer vhost on node
+| | [Documentation]
+| | ... | Initialize vhost interfaces on DUT.
+| |
+| | ... | *Arguments:*
+| | ... | - dut - DUT node.
+| | ... | Type: string
+| | ... | - pf - VHOST ID (logical port).
+| | ... | Type: integer
+| |
+| | ... | *Example:*
+| |
+| | ... | \| Initialize layer vhost on node \| DUT1 \| 0 \|
+| |
+| | [Arguments] | ${dut} | ${pf}
+| |
+| | ${virtio_feature_mask}= | Create Virtio feature mask | gso=${enable_gso}
+| | ${vhost}= | Vpp Create Vhost User Interface
+| | ... | ${nodes['${dut}']} | /var/run/vpp/sock-${pf}-1
+| | ... | is_server=${True} | virtio_feature_mask=${virtio_feature_mask}
+| | ${_mac}=
+| | ... | Get Interface MAC | ${nodes['${dut}']} | vhost${pf}
+| | ${_vhost}= | Create List | ${_vhost}
+| | ${_mac}= | Create List | ${_mac}
+| | Set Test Variable
+| | ... | ${${dut}_vf${pf}} | ${_vhost}
+| | Set Test Variable
+| | ... | ${${dut}_vf${pf}_mac} | ${_mac}
+
 | Initialize layer vfio-pci on node
 | | [Documentation]
 | | ... | Initialize vfio-pci interfaces on DUT on NIC PF.
diff --git a/resources/libraries/robot/shared/test_teardown.robot b/resources/libraries/robot/shared/test_teardown.robot
index a2f35ed76c..18be67cfc5 100644
--- a/resources/libraries/robot/shared/test_teardown.robot
+++ b/resources/libraries/robot/shared/test_teardown.robot
@@ -1,4 +1,4 @@
-# Copyright (c) 2020 Cisco and/or its affiliates.
+# 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:
@@ -104,6 +104,13 @@
 | | | ... | Show Geneve Tunnel Data | ${nodes['${dut}']}
 | | END
 
+| Additional Test Tear Down Action For iPerf3
+| | [Documentation]
+| | ... | Additional teardown for test which uses iPerf3 server.
+| |
+| | Run Keyword And Ignore Error
+| | ... | Teardown iPerf | ${nodes['${iperf_server_node}']}
+
 | Additional Test Tear Down Action For ipsec_sa
 | | [Documentation]
 | | ... | Additional teardown for tests which uses IPSec security association.
@@ -200,4 +207,4 @@
 | |
 | | ${vnf_status} | ${value}= | Run Keyword And Ignore Error
 | | ... | Keyword Should Exist | vnf_manager.Kill All VMs
-| | Run Keyword If | '${vnf_status}' == 'PASS' | vnf_manager.Kill All VMs
+| | Run Keyword If | '${vnf_status}' == 'PASS' | vnf_manager.Kill All VMs
\ No newline at end of file
diff --git a/resources/libraries/robot/shared/vm.robot b/resources/libraries/robot/shared/vm.robot
index c33ca5fea9..eb6acb371f 100644
--- a/resources/libraries/robot/shared/vm.robot
+++ b/resources/libraries/robot/shared/vm.robot
@@ -1,4 +1,4 @@
-# Copyright (c) 2020 Cisco and/or its affiliates.
+# 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:
@@ -12,9 +12,9 @@
 # limitations under the License.
 
 *** Settings ***
-| Documentation | Keywords related to vm lifecycle management
-...
 | Library | resources.libraries.python.InterfaceUtil
+|
+| Documentation | Keywords related to vm lifecycle management
 
 *** Keywords ***
 | Configure chains of NFs connected via vhost-user
@@ -32,6 +32,7 @@
 | | ... | Type: boolean
 | | ... | - auto_scale - Whether to use same amount of RXQs for memif interface
 | | ... | in containers as vswitch, otherwise use single RXQ. Type: boolean
+| | ... | - fixed_auto_scale - Enable fixed auto_scale (nf_dtc). Type: boolean
 | | ... | - vnf - Network function as a payload. Type: string
 | | ... | - pinning - Whether to pin QEMU VMs to specific cores
 | |
@@ -42,18 +43,23 @@
 | |
 | | [Arguments] | ${nf_chains}=${1} | ${nf_nodes}=${1} | ${jumbo}=${False}
 | | ... | ${perf_qemu_qsz}=${1024} | ${use_tuned_cfs}=${False}
-| | ... | ${auto_scale}=${True} | ${vnf}=vpp | ${pinning}=${True}
+| | ... | ${auto_scale}=${True} | ${fixed_auto_scale}=${False} | ${vnf}=vpp
+| | ... | ${pinning}=${True}
 | |
+| | ${enable_gso} = | Get Variable Value | ${enable_gso} | ${False}
+| | ${enable_csum} = | Get Variable Value | ${enable_csum} | ${False}
+| | ${virtio_feature_mask}= | Create Virtio feature mask
+| | ... | gso=${enable_gso} | csum=${enable_csum}
 | | Import Library | resources.libraries.python.QemuManager | ${nodes}
 | | ... | WITH NAME | vnf_manager
 | | Run Keyword | vnf_manager.Construct VMs on all nodes
 | | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes} | jumbo=${jumbo}
 | | ... | perf_qemu_qsz=${perf_qemu_qsz} | use_tuned_cfs=${use_tuned_cfs}
-| | ... | auto_scale=${auto_scale} | vnf=${vnf}
-| | ... | tg_pf1_mac=${TG_pf1_mac}[0] | tg_pf2_mac=${TG_pf2_mac}[0]
+| | ... | auto_scale=${auto_scale} | fixed_auto_scale=${fixed_auto_scale}
+| | ... | vnf=${vnf} | tg_pf1_mac=${TG_pf1_mac}[0] | tg_pf2_mac=${TG_pf2_mac}[0]
 | | ... | vs_dtc=${cpu_count_int} | nf_dtc=${nf_dtc} | nf_dtcr=${nf_dtcr}
-| | ... | rxq_count_int=${rxq_count_int} | enable_csum=${False}
-| | ... | enable_gso=${False}
+| | ... | rxq_count_int=${rxq_count_int}
+| | ... | virtio_feature_mask=${virtio_feature_mask}
 | | ${cpu_wt}= | Run Keyword | vnf_manager.Start All VMs | pinning=${pinning}
 | | ${cpu_alloc_str}= | Catenate | SEPARATOR=, | ${cpu_alloc_str} | ${cpu_wt}
 | | Set Test Variable | ${cpu_alloc_str}
@@ -76,8 +82,10 @@
 | | ... | Type: boolean
 | | ... | - auto_scale - Whether to use same amount of RXQs for memif interface
 | | ... | in containers as vswitch, otherwise use single RXQ. Type: boolean
+| | ... | - fixed_auto_scale - Enable override auto_scale. Type: boolean
 | | ... | - vnf - Network function as a payload. Type: string
 | | ... | - pinning - Whether to pin QEMU VMs to specific cores
+| | ... | - validate - Validate interfaces are up. Type: boolean
 | |
 | | ... | *Example:*
 | |
@@ -87,9 +95,14 @@
 | |
 | | [Arguments] | ${node} | ${nf_chains}=${1} | ${nf_nodes}=${1}
 | | ... | ${jumbo}=${False} | ${perf_qemu_qsz}=${1024}
-| | ... | ${use_tuned_cfs}=${False} | ${auto_scale}=${True} | ${vnf}=vpp
-| | ... | ${pinning}=${True}
+| | ... | ${use_tuned_cfs}=${False} | ${auto_scale}=${True}
+| | ... | ${fixed_auto_scale}=${False} | ${vnf}=vpp | ${pinning}=${True}
+| | ... | ${validate}=${True}
 | |
+| | ${enable_gso}= | Get Variable Value | ${enable_gso} | ${False}
+| | ${enable_csum}= | Get Variable Value | ${enable_csum} | ${False}
+| | ${virtio_feature_mask}= | Create Virtio feature mask
+| | ... | gso=${enable_gso} | csum=${enable_csum}
 | | Import Library | resources.libraries.python.QemuManager | ${nodes}
 | | ... | WITH NAME | vnf_manager
 | | Run Keyword | vnf_manager.Initialize
@@ -97,15 +110,16 @@
 | | ... | node=${node}
 | | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes} | jumbo=${jumbo}
 | | ... | perf_qemu_qsz=${perf_qemu_qsz} | use_tuned_cfs=${use_tuned_cfs}
-| | ... | auto_scale=${auto_scale} | vnf=${vnf}
-| | ... | tg_pf1_mac=${TG_pf1_mac}[0] | tg_pf2_mac=${TG_pf2_mac}[0]
+| | ... | auto_scale=${auto_scale} | fixed_auto_scale=${fixed_auto_scale}
+| | ... | vnf=${vnf} | tg_pf1_mac=${TG_pf1_mac}[0] | tg_pf2_mac=${TG_pf2_mac}[0]
 | | ... | vs_dtc=${cpu_count_int} | nf_dtc=${nf_dtc} | nf_dtcr=${nf_dtcr}
-| | ... | rxq_count_int=${rxq_count_int} | enable_csum=${False}
-| | ... | enable_gso=${False}
+| | ... | rxq_count_int=${rxq_count_int}
+| | ... | virtio_feature_mask=${virtio_feature_mask}
 | | ${cpu_wt}= | Run Keyword | vnf_manager.Start All VMs | pinning=${pinning}
 | | ${cpu_alloc_str}= | Catenate | SEPARATOR=, | ${cpu_alloc_str} | ${cpu_wt}
 | | Set Test Variable | ${cpu_alloc_str}
-| | All VPP Interfaces Ready Wait | ${nodes} | retries=${300}
+| | Run Keyword If | ${validate}
+| | ... | All VPP Interfaces Ready Wait | ${nodes} | retries=${300}
 | | VPP round robin RX placement on all DUTs | ${nodes} | prefix=Virtual
 
 | Configure chains of NFs connected via passtrough
@@ -123,6 +137,7 @@
 | | ... | Type: boolean
 | | ... | - auto_scale - Whether to use same amount of RXQs for memif interface
 | | ... | in containers as vswitch, otherwise use single RXQ. Type: boolean
+| | ... | - fixed_auto_scale - Enable override auto_scale. Type: boolean
 | | ... | - vnf - Network function as a payload. Type: string
 | | ... | - pinning - Whether to pin QEMU VMs to specific cores
 | |
@@ -133,18 +148,23 @@
 | |
 | | [Arguments] | ${nf_chains}=${1} | ${nf_nodes}=${1} | ${jumbo}=${False}
 | | ... | ${perf_qemu_qsz}=${1024} | ${use_tuned_cfs}=${False}
-| | ... | ${auto_scale}=${True} | ${vnf}=vpp | ${pinning}=${True}
+| | ... | ${auto_scale}=${True} | ${fixed_auto_scale}=${False} | ${vnf}=vpp
+| | ... | ${pinning}=${True}
 | |
+| | ${enable_gso} = | Get Variable Value | ${enable_gso} | ${False}
+| | ${enable_csum} = | Get Variable Value | ${enable_csum} | ${False}
+| | ${virtio_feature_mask}= | Create Virtio feature mask
+| | ... | gso=${enable_gso} | csum=${enable_csum}
 | | Import Library | resources.libraries.python.QemuManager | ${nodes}
 | | ... | WITH NAME | vnf_manager
 | | Run Keyword | vnf_manager.Construct VMs on all nodes
 | | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes} | jumbo=${jumbo}
 | | ... | perf_qemu_qsz=${perf_qemu_qsz} | use_tuned_cfs=${use_tuned_cfs}
-| | ... | auto_scale=${auto_scale} | vnf=${vnf}
-| | ... | tg_pf1_mac=${TG_pf1_mac}[0] | tg_pf2_mac=${TG_pf2_mac}[0]
+| | ... | auto_scale=${auto_scale} | fixed_auto_scale=${fixed_auto_scale}
+| | ... | vnf=${vnf} | tg_pf1_mac=${TG_pf1_mac}[0] | tg_pf2_mac=${TG_pf2_mac}[0]
 | | ... | vs_dtc=${cpu_count_int} | nf_dtc=${nf_dtc} | nf_dtcr=${nf_dtcr}
-| | ... | rxq_count_int=${rxq_count_int} | enable_csum=${False}
-| | ... | enable_gso=${False}
+| | ... | rxq_count_int=${rxq_count_int}
+| | ... | virtio_feature_mask=${virtio_feature_mask}
 | | ... | if1=${DUT1_${int}1}[0] | if2=${DUT1_${int}2}[0]
 | | ${cpu_wt}= | Run Keyword | vnf_manager.Start All VMs | pinning=${pinning}
 | | ${cpu_alloc_str}= | Catenate | SEPARATOR=, | ${cpu_alloc_str} | ${cpu_wt}