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+# 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.
+# 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/performance.robot
+| Resource | resources/libraries/robot/tagging.robot
+| Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | PERFTEST_LONG
+| ...        | NIC_Intel-X520-DA2
+| Suite Setup | 3-node Performance Suite Setup with DUT's NIC model
+| ... | L2 | Intel-X520-DA2
+| Suite Teardown | 3-node Performance Suite Teardown
+| Test Setup | Setup all DUTs before test
+| Test Teardown | Run Keyword | Show statistics on all DUTs
+| Documentation | *Throughput search suite (based on RFC2544).*
+| ...
+| ... | Test suite uses 3-node topology TG - DUT1 - DUT2 - TG, with one link
+| ... | between nodes. Traffic profile contain 2 L2 streams (1 stream per
+| ... | direction). Packets contain Ethernet header, IPv4 header,
+| ... | IP protocol=61 and random payload. Ethernet header MAC addresses are
+| ... | matching MAC addresses of the TG node. DUT nodes are interconnected
+| ... | with VLAN dot1q configured interfaces with VLAN 10.
+
+*** Variables ***
+| ${subid}= | 10
+| ${tag_rewrite}= | pop-1
+
+*** Test Cases ***
+| Find NDR by using RFC2544 linear search and 64B frames through VLAN dot1q sub-interfaces inter-connected using L2 cross connect in 3-node topology
+| | [Documentation]
+| | ... | Find throughput with non drop rate by using linear search starting
+| | ... | at 4.2Mpps, stepping down with step of 0.1Mpps. Frames from and to TG
+| | ... | are 64B long. Tagging is applied between DUTs inserting 4B VLAN ID
+| | ... | into a packet header.
+| | [Tags] | 1_THREAD_NOHTT_RSS_1 | SINGLE_THREAD
+| | ${framesize}= | Set Variable | 64
+| | ${start_rate}= | Set Variable | 4200000
+| | ${step_rate}= | Set Variable | 100000
+| | ${min_rate}= | Set Variable | 100000
+| | ${max_rate}= | Set Variable | 14880952
+| | Given Setup '1' worker threads and rss '1' without HTT on all DUTs
+| | And VPP interfaces in path are up
+| | When VLAN dot1q subinterfaces initialized on 3-node topology
+| | ... | ${dut1} | ${dut1_if2} | ${dut2} | ${dut2_if1} | ${subid}
+| | And L2 tag rewrite method setup on interfaces
+| | ... | ${dut1} | ${subif_index_1} | ${dut2} | ${subif_index_2}
+| | ... | ${tag_rewrite}
+| | And Interfaces and VLAN sub-interfaces inter-connected using L2-xconnect
+| | ... | ${dut1} | ${dut1_if1} | ${subif_index_1}
+| | ... | ${dut2} | ${dut2_if2} | ${subif_index_2}
+| | Then Find NDR using linear search and pps | ${framesize} | ${start_rate}
+| | ...                                       | ${step_rate} | 3-node-xconnect
+| | ...                                       | ${min_rate} | ${max_rate}
+
+| Find NDR by using RFC2544 linear search and 1518B frames through VLAN dot1q sub-interfaces inter-connected using L2 cross connect in 3-node topology
+| | [Documentation]
+| | ... | Find throughput with non drop rate by using linear search starting
+| | ... | at 812,743pps, stepping down with step of 10,000pps. Frames from and
+| | ... | to TG are 1518B long. Tagging is applied between DUTs inserting 4B
+| | ... | VLAN ID into a packet header.
+| | [Tags] | 1_THREAD_NOHTT_RSS_1 | SINGLE_THREAD
+| | ${framesize}= | Set Variable | 1518
+| | ${start_rate}= | Set Variable | 812743
+| | ${step_rate}= | Set Variable | 10000
+| | ${min_rate}= | Set Variable | 10000
+| | ${max_rate}= | Set Variable | 812743
+| | Given Setup '1' worker threads and rss '1' without HTT on all DUTs
+| | And VPP interfaces in path are up
+| | When VLAN dot1q subinterfaces initialized on 3-node topology
+| | ... | ${dut1} | ${dut1_if2} | ${dut2} | ${dut2_if1} | ${subid}
+| | And L2 tag rewrite method setup on interfaces
+| | ... | ${dut1} | ${subif_index_1} | ${dut2} | ${subif_index_2}
+| | ... | ${tag_rewrite}
+| | And Interfaces and VLAN sub-interfaces inter-connected using L2-xconnect
+| | ... | ${dut1} | ${dut1_if1} | ${subif_index_1}
+| | ... | ${dut2} | ${dut2_if2} | ${subif_index_2}
+| | Then Find NDR using linear search and pps | ${framesize} | ${start_rate}
+| | ...                                       | ${step_rate} | 3-node-xconnect
+| | ...                                       | ${min_rate} | ${max_rate}
+
+| Find NDR by using RFC2544 linear search and 9000B frames through VLAN dot1q sub-interfaces inter-connected using L2 cross connect in 3-node topology
+| | [Documentation]
+| | ... | Find throughput with non drop rate by using linear search starting
+| | ... | at 138,580pps, stepping down with step of 5,000pps. Frames from and
+| | ... | to TG are 9000B long. Tagging is applied between DUTs inserting 4B
+| | ... | VLAN ID into a packet header.
+| | [Tags] | 1_THREAD_NOHTT_RSS_1 | SINGLE_THREAD
+| | ${framesize}= | Set Variable | 9000
+| | ${start_rate}= | Set Variable | 138580
+| | ${step_rate}= | Set Variable | 5000
+| | ${min_rate}= | Set Variable | 5000
+| | ${max_rate}= | Set Variable | 138580
+| | Given Setup '1' worker threads and rss '1' without HTT on all DUTs
+| | And VPP interfaces in path are up
+| | When VLAN dot1q subinterfaces initialized on 3-node topology
+| | ... | ${dut1} | ${dut1_if2} | ${dut2} | ${dut2_if1} | ${subid}
+| | And L2 tag rewrite method setup on interfaces
+| | ... | ${dut1} | ${subif_index_1} | ${dut2} | ${subif_index_2}
+| | ... | ${tag_rewrite}
+| | And Interfaces and VLAN sub-interfaces inter-connected using L2-xconnect
+| | ... | ${dut1} | ${dut1_if1} | ${subif_index_1}
+| | ... | ${dut2} | ${dut2_if2} | ${subif_index_2}
+| | Then Find NDR using linear search and pps | ${framesize} | ${start_rate}
+| | ...                                       | ${step_rate} | 3-node-xconnect
+| | ...                                       | ${min_rate} | ${max_rate}
+
+| Find NDR with 2 cores and rss 1 by using RFC2544 linear search and 64B frames through VLAN dot1q sub-interfaces inter-connected using L2 cross connect in 3-node topology
+| | [Documentation]
+| | ... | Find throughput on 2 cores with non drop rate by using linear search
+| | ... | starting at 7.8Mpps, stepping down with step of 0.1Mpps. Frames from
+| | ... | and to TG are 64B long. Tagging is applied between DUTs inserting 4B
+| | ... | VLAN ID into a packet header.
+| | [Tags] | 2_THREAD_NOHTT_RSS_1 | MULTI_THREAD
+| | ${framesize}= | Set Variable | 64
+| | ${start_rate}= | Set Variable | 7800000
+| | ${step_rate}= | Set Variable | 100000
+| | ${min_rate}= | Set Variable | 100000
+| | ${max_rate}= | Set Variable | 14880952
+| | Given Setup '2' worker threads and rss '1' without HTT on all DUTs
+| | And VPP interfaces in path are up
+| | When VLAN dot1q subinterfaces initialized on 3-node topology
+| | ... | ${dut1} | ${dut1_if2} | ${dut2} | ${dut2_if1} | ${subid}
+| | And L2 tag rewrite method setup on interfaces
+| | ... | ${dut1} | ${subif_index_1} | ${dut2} | ${subif_index_2}
+| | ... | ${tag_rewrite}
+| | And Interfaces and VLAN sub-interfaces inter-connected using L2-xconnect
+| | ... | ${dut1} | ${dut1_if1} | ${subif_index_1}
+| | ... | ${dut2} | ${dut2_if2} | ${subif_index_2}
+| | Then Find NDR using linear search and pps | ${framesize} | ${start_rate}
+| | ...                                       | ${step_rate} | 3-node-xconnect
+| | ...                                       | ${min_rate} | ${max_rate}
+
+| Find NDR with 2 cores and rss 1 by using RFC2544 linear search and 1518B frames through VLAN dot1q sub-interfaces inter-connected using L2 cross connect in 3-node topology
+| | [Documentation]
+| | ... | Find throughput on 2 cores with non drop rate by using linear search
+| | ... | starting at 812,743pps, stepping down with step of 10,000pps. Frames
+| | ... | from and to TG are 1518B long. Tagging is applied between DUTs
+| | ... | inserting 4B VLAN ID into a packet header.
+| | [Tags] | 2_THREAD_NOHTT_RSS_1 | MULTI_THREAD
+| | ${framesize}= | Set Variable | 1518
+| | ${start_rate}= | Set Variable | 812743
+| | ${step_rate}= | Set Variable | 10000
+| | ${min_rate}= | Set Variable | 10000
+| | ${max_rate}= | Set Variable | 812743
+| | Given Setup '2' worker threads and rss '1' without HTT on all DUTs
+| | And VPP interfaces in path are up
+| | When VLAN dot1q subinterfaces initialized on 3-node topology
+| | ... | ${dut1} | ${dut1_if2} | ${dut2} | ${dut2_if1} | ${subid}
+| | And L2 tag rewrite method setup on interfaces
+| | ... | ${dut1} | ${subif_index_1} | ${dut2} | ${subif_index_2}
+| | ... | ${tag_rewrite}
+| | And Interfaces and VLAN sub-interfaces inter-connected using L2-xconnect
+| | ... | ${dut1} | ${dut1_if1} | ${subif_index_1}
+| | ... | ${dut2} | ${dut2_if2} | ${subif_index_2}
+| | Then Find NDR using linear search and pps | ${framesize} | ${start_rate}
+| | ...                                       | ${step_rate} | 3-node-xconnect
+| | ...                                       | ${min_rate} | ${max_rate}
+
+| Find NDR with 2 cores and rss 1 by using RFC2544 linear search and 9000B frames through VLAN dot1q sub-interfaces inter-connected using L2 cross connect in 3-node topology
+| | [Documentation]
+| | ... | Find throughput on 2 cores with non drop rate by using linear search
+| | ... | starting at 138,580pps, stepping down with step of 5,000pps. Frames
+| | ... | from and to TG are 9000B long. Tagging is applied between DUTs
+| | ... | inserting 4B VLAN ID into a packet header.
+| | [Tags] | 2_THREAD_NOHTT_RSS_1 | MULTI_THREAD
+| | ${framesize}= | Set Variable | 9000
+| | ${start_rate}= | Set Variable | 138580
+| | ${step_rate}= | Set Variable | 5000
+| | ${min_rate}= | Set Variable | 5000
+| | ${max_rate}= | Set Variable | 138580
+| | Given Setup '2' worker threads and rss '1' without HTT on all DUTs
+| | And VPP interfaces in path are up
+| | When VLAN dot1q subinterfaces initialized on 3-node topology
+| | ... | ${dut1} | ${dut1_if2} | ${dut2} | ${dut2_if1} | ${subid}
+| | And L2 tag rewrite method setup on interfaces
+| | ... | ${dut1} | ${subif_index_1} | ${dut2} | ${subif_index_2}
+| | ... | ${tag_rewrite}
+| | And Interfaces and VLAN sub-interfaces inter-connected using L2-xconnect
+| | ... | ${dut1} | ${dut1_if1} | ${subif_index_1}
+| | ... | ${dut2} | ${dut2_if2} | ${subif_index_2}
+| | Then Find NDR using linear search and pps | ${framesize} | ${start_rate}
+| | ...                                       | ${step_rate} | 3-node-xconnect
+| | ...                                       | ${min_rate} | ${max_rate}
+
+| Find NDR with 4 cores and rss 2 by using RFC2544 linear search and 64B frames through VLAN dot1q sub-interfaces inter-connected using L2 cross connect in 3-node topology
+| | [Documentation]
+| | ... | Find throughput on 4 cores and rss 2 with non drop rate by using
+| | ... | linear search starting at 12Mpps, stepping down with step of 0.1Mpps.
+| | ... | Frames from and to TG are 64B long. Tagging is applied between DUTs
+| | ... | inserting 4B VLAN ID into a packet header.
+| | [Tags] | 4_THREAD_NOHTT_RSS_2 | MULTI_THREAD
+| | ${framesize}= | Set Variable | 64
+| | ${start_rate}= | Set Variable | 12000000
+| | ${step_rate}= | Set Variable | 100000
+| | ${min_rate}= | Set Variable | 100000
+| | ${max_rate}= | Set Variable | 14880952
+| | Given Setup '4' worker threads and rss '2' without HTT on all DUTs
+| | And VPP interfaces in path are up
+| | When VLAN dot1q subinterfaces initialized on 3-node topology
+| | ... | ${dut1} | ${dut1_if2} | ${dut2} | ${dut2_if1} | ${subid}
+| | And L2 tag rewrite method setup on interfaces
+| | ... | ${dut1} | ${subif_index_1} | ${dut2} | ${subif_index_2}
+| | ... | ${tag_rewrite}
+| | And Interfaces and VLAN sub-interfaces inter-connected using L2-xconnect
+| | ... | ${dut1} | ${dut1_if1} | ${subif_index_1}
+| | ... | ${dut2} | ${dut2_if2} | ${subif_index_2}
+| | Then Find NDR using linear search and pps | ${framesize} | ${start_rate}
+| | ...                                       | ${step_rate} | 3-node-xconnect
+| | ...                                       | ${min_rate} | ${max_rate}
+
+| Find NDR with 4 cores and rss 2 by using RFC2544 linear search and 1518B frames through VLAN dot1q sub-interfaces inter-connected using L2 cross connect in 3-node topology
+| | [Documentation]
+| | ... | Find throughput on 4 cores and rss 2 with non drop rate by using
+| | ... | linear search starting at 812,743pps, stepping down with step of
+| | ... | 10,000pps. Frames from and to TG are 1518B long. Tagging is applied
+| | ... | between DUTs inserting 4B VLAN ID into a packet header.
+| | [Tags] | 4_THREAD_NOHTT_RSS_2 | MULTI_THREAD
+| | ${framesize}= | Set Variable | 1518
+| | ${start_rate}= | Set Variable | 812743
+| | ${step_rate}= | Set Variable | 10000
+| | ${min_rate}= | Set Variable | 10000
+| | ${max_rate}= | Set Variable | 812743
+| | Given Setup '4' worker threads and rss '2' without HTT on all DUTs
+| | And VPP interfaces in path are up
+| | When VLAN dot1q subinterfaces initialized on 3-node topology
+| | ... | ${dut1} | ${dut1_if2} | ${dut2} | ${dut2_if1} | ${subid}
+| | And L2 tag rewrite method setup on interfaces
+| | ... | ${dut1} | ${subif_index_1} | ${dut2} | ${subif_index_2}
+| | ... | ${tag_rewrite}
+| | And Interfaces and VLAN sub-interfaces inter-connected using L2-xconnect
+| | ... | ${dut1} | ${dut1_if1} | ${subif_index_1}
+| | ... | ${dut2} | ${dut2_if2} | ${subif_index_2}
+| | Then Find NDR using linear search and pps | ${framesize} | ${start_rate}
+| | ...                                       | ${step_rate} | 3-node-xconnect
+| | ...                                       | ${min_rate} | ${max_rate}
+
+| Find NDR with 4 cores and rss 2 by using RFC2544 linear search and 9000B frames through VLAN dot1q sub-interfaces inter-connected using L2 cross connect in 3-node topology
+| | [Documentation]
+| | ... | Find throughput on 4 cores and rss 2 with non drop rate by using
+| | ... | linear search starting at 138,580pps, stepping down with step of
+| | ... | 5,000pps. Frames from and to TG are 9000B long. Tagging is applied
+| | ... | between DUTs inserting 4B VLAN ID into a packet header.
+| | [Tags] | 4_THREAD_NOHTT_RSS_2 | MULTI_THREAD
+| | ${framesize}= | Set Variable | 9000
+| | ${start_rate}= | Set Variable | 138580
+| | ${step_rate}= | Set Variable | 5000
+| | ${min_rate}= | Set Variable | 5000
+| | ${max_rate}= | Set Variable | 138580
+| | Given Setup '4' worker threads and rss '2' without HTT on all DUTs
+| | And VPP interfaces in path are up
+| | When VLAN dot1q subinterfaces initialized on 3-node topology
+| | ... | ${dut1} | ${dut1_if2} | ${dut2} | ${dut2_if1} | ${subid}
+| | And L2 tag rewrite method setup on interfaces
+| | ... | ${dut1} | ${subif_index_1} | ${dut2} | ${subif_index_2}
+| | ... | ${tag_rewrite}
+| | And Interfaces and VLAN sub-interfaces inter-connected using L2-xconnect
+| | ... | ${dut1} | ${dut1_if1} | ${subif_index_1}
+| | ... | ${dut2} | ${dut2_if2} | ${subif_index_2}
+| | Then Find NDR using linear search and pps | ${framesize} | ${start_rate}
+| | ...                                       | ${step_rate} | 3-node-xconnect
+| | ...                                       | ${min_rate} | ${max_rate}