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-# Copyright (c) 2018 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/performance_setup.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-XXV710 | ETH | IP4FWD | FEATURE | NAT44 | BASE
-| ...
-| Suite Setup | Run Keywords
-| ... | Set up 2-node performance topology with DUT's NIC model | L3
-| ... | Intel-XXV710
-| ... | AND | Set up performance test suite with NAT
-| Suite Teardown | Tear down 2-node performance topology
-| ...
-| Test Setup | Set up performance test
-| ...
-| Test Teardown | Tear down performance discovery test | ${min_rate}pps
-| ... | ${framesize} | ${traffic_profile}
-| ...
-| Test Template | Local Template
-| ...
-| Documentation | *RFC2544: Pkt throughput NAT44 performance test cases*
-| ...
-| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology
-| ... | with single links between nodes.
-| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP for IPv4 routing.
-| ... | *[Cfg] DUT configuration:* DUT1 is configured with IPv4 routing and
-| ... | one static IPv4 /18 route entries.
-| ... | DUT1 is tested with 2p25GE NIC XXV710 by Intel.
-| ... | *[Ver] TG verification:* TG finds and reports throughput NDR (Non Drop
-| ... | Rate) with zero packet loss tolerance or 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 DUT1. TG traffic profile
-| ... | contains two L3 flow-groups (flow-group per direction, 1 flow per
-| ... | flow-group) with all packets containing Ethernet header, IPv4 header
-| ... | with IP protocol=61 and static payload. MAC addresses are matching MAC
-| ... | addresses of the TG node interfaces.
-| ... | *[Ref] Applicable standard specifications:* RFC2544.
-
-*** Variables ***
-# XXV710-DA2 bandwidth limit ~49Gbps/2=24.5Gbps
-| ${s_24.5G}= | ${24500000000}
-# XXV710-DA2 Mpps limit 37.5Mpps/2=18.75Mpps
-| ${s_18.75Mpps}= | ${18750000}
-# Traffic profile:
-| ${traffic_profile}= | trex-sl-2n-ethip4udp-1u1p
-
-*** Keywords ***
-| Local Template
-| | ...
-| | [Documentation]
-| | ... | [Cfg] DUT runs IPv4 routing config.
-| | ... | Each DUT uses ${phy_cores} physical core(s) for worker threads.
-| | ... | [Ver] Measure NDR and PDR values using MLRsearch algorithm.\
-| | ...
-| | ... | *Arguments:*
-| | ... | - framesize - 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] | ${framesize} | ${phy_cores} | ${rxq}=${None}
-| | ...
-| | Set Test Variable | ${framesize}
-| | Set Test Variable | ${min_rate} | ${10000}
-| | ...
-| | Given Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
-| | And Add PCI devices to all DUTs
-| | ${max_rate} | ${jumbo} = | Get Max Rate And Jumbo And Handle Multi Seg
-| | ... | ${s_24.5G} | ${framesize} | pps_limit=${s_18.75Mpps}
-| | And Add NAT to all DUTs
-| | And Apply startup configuration on all VPP DUTs
-| | When Initialize NAT44 in circular topology
-| | Then Find NDR and PDR intervals using optimized search
-| | ... | ${framesize} | ${traffic_profile} | ${min_rate} | ${max_rate}
-
-*** Test Cases ***
-| tc01-64B-1c-ethip4udp-ip4base-nat44-ndrpdr
-| | [Tags] | 64B | 1C
-| | framesize=${64} | phy_cores=${1}
-
-| tc02-64B-2c-ethip4udp-ip4base-nat44-ndrpdr
-| | [Tags] | 64B | 2C
-| | framesize=${64} | phy_cores=${2}
-
-| tc03-64B-4c-ethip4udp-ip4base-nat44-ndrpdr
-| | [Tags] | 64B | 4C
-| | framesize=${64} | phy_cores=${4}
-
-| tc04-1518B-1c-ethip4udp-ip4base-nat44-ndrpdr
-| | [Tags] | 1518B | 1C
-| | framesize=${1518} | phy_cores=${1}
-
-| tc05-1518B-2c-ethip4udp-ip4base-nat44-ndrpdr
-| | [Tags] | 1518B | 2C
-| | framesize=${1518} | phy_cores=${2}
-
-| tc06-1518B-4c-ethip4udp-ip4base-nat44-ndrpdr
-| | [Tags] | 1518B | 4C
-| | framesize=${1518} | phy_cores=${4}
-
-| tc07-9000B-1c-ethip4udp-ip4base-nat44-ndrpdr
-| | [Tags] | 9000B | 1C
-| | framesize=${9000} | phy_cores=${1}
-
-| tc08-9000B-2c-ethip4udp-ip4base-nat44-ndrpdr
-| | [Tags] | 9000B | 2C
-| | framesize=${9000} | phy_cores=${2}
-
-| tc09-9000B-4c-ethip4udp-ip4base-nat44-ndrpdr
-| | [Tags] | 9000B | 4C
-| | framesize=${9000} | phy_cores=${4}
-
-| tc10-IMIX-1c-ethip4udp-ip4base-nat44-ndrpdr
-| | [Tags] | IMIX | 1C
-| | framesize=IMIX_v4_1 | phy_cores=${1}
-
-| tc11-IMIX-2c-ethip4udp-ip4base-nat44-ndrpdr
-| | [Tags] | IMIX | 2C
-| | framesize=IMIX_v4_1 | phy_cores=${2}
-
-| tc12-IMIX-4c-ethip4udp-ip4base-nat44-ndrpdr
-| | [Tags] | IMIX | 4C
-| | framesize=IMIX_v4_1 | phy_cores=${4}