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# Copyright (c) 2022 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/shared/default.robot
| Resource | resources/libraries/robot/ip/nat.robot
| Resource | resources/libraries/robot/shared/traffic.robot
|
| Force Tags | 2_NODE_SINGLE_LINK_TOPO | DEVICETEST | HW_ENV | DCR_ENV | SCAPY
| ... | NIC_Intel-X710 | ETH | IP4FWD | FEATURE | NAT44
| ... | NAT44_ENDPOINT_DEPENDENT | BASE | UDP | DRV_VFIO_PCI
| ... | RXQ_SIZE_0 | TXQ_SIZE_0
| ... | ethip4udp-nat44ed
|
| Suite Setup | Setup suite topology interfaces | scapy
| Test Setup | Setup test
| Test Teardown | Tear down test | packet_trace | telemetry | nat-ed
|
| Test Template | Local Template
|
| Documentation | **RFC2544: Pkt throughput NAT44 endpoint-dependent mode
| ... | 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 /${dest_mask} route entries. \
| ... | DUT1 is tested with ${nic_name}.
| ... |
| ... | - **[Ver] TG verification:** Eth-IPv4-UDP packet is sent from TG to \
| ... | DUT1 in one direction. Packet is received and verified for correctness \
| ... | on TG. Then Eth-IPv4-UDP packet is sent from TG in opposite direction. \
| ... | Packet is received and verified for correctness on TG.
| ... |
| ... | - **[Ref] Applicable standard specifications:** RFC791, RFC768, \
| ... | RFC3022 and RFC4787.
*** Variables ***
| @{plugins_to_enable}= | dpdk_plugin.so | perfmon_plugin.so | nat_plugin.so
| ${crypto_type}= | ${None}
| ${nic_name}= | Intel-X710
| ${nic_driver}= | vfio-pci
| ${nic_rxq_size}= | 0
| ${nic_txq_size}= | 0
| ${nic_pfs}= | 2
| ${nic_vfs}= | 0
| ${overhead}= | ${0}
# IP settings
| ${tg_if1_ip4}= | 10.0.0.2
| ${tg_if1_mask}= | ${20}
| ${tg_if2_ip4}= | 12.0.0.2
| ${tg_if2_mask}= | ${20}
| ${dut1_if1_ip4}= | 10.0.0.1
| ${dut1_if1_mask}= | ${24}
| ${dut1_if2_ip4}= | 12.0.0.1
| ${dut1_if2_mask}= | ${24}
| ${dest_net}= | 20.0.0.0
| ${dest_mask}= | ${22}
# proto layer settings
| ${protocol}= | UDP
| ${src_port_in}= | 1024
| ${dst_port}= | 8080
# NAT settings
| ${nat_mode}= | endpoint-dependent
| ${n_sessions}= | ${64512}
| ${in_net}= | 192.168.0.0
| ${in_mask}= | ${22}
| ${out_net}= | 68.142.68.0
| ${out_net_end}= | 68.142.68.0
| ${out_mask}= | ${32}
# Telemetry
| ${telemetry_profile}= | vppctl_test_teardown
*** Keywords ***
| Local Template
| |
| | [Documentation]
| | ... | - **[Cfg]** DUT runs NAT44 ${nat_mode} configuration.
| | ... | - **[Ver]** Make TG send IPv4 packet routed over DUT1 interfaces. \
| | ... | Make TG verify IPv4 packet is correct.
| |
| | ... | *Arguments:*
| | ... | - frame_size - Framesize in Bytes in integer. Type: integer
| | ... | - 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}
| |
| | Given Set Jumbo
| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
| | And Pre-initialize layer driver | ${nic_driver}
| | And Apply startup configuration on all VPP DUTs | with_trace=${True}
| | When Initialize layer driver | ${nic_driver}
| | And Initialize layer interface
| | And Initialize IPv4 forwarding for NAT44 in circular topology
| | And Initialize NAT44 endpoint-dependent mode in circular topology
| | Then Send TCP or UDP packet and verify network address translations
| | ... | ${tg} | ${TG_pf1}[0] | ${TG_pf2}[0] | ${DUT1_vf1_mac}[0]
| | ... | ${DUT1_vf2_mac}[0] | ${in_net} | ${out_net} | ${dest_net}
| | ... | ${protocol} | ${src_port_in} | ${dst_port}
*** Test Cases ***
| 64B-0c-ethip4udp-nat44ed-scapy
| | [Tags] | 64B | 0C
| | frame_size=${64} | phy_cores=${0}
|
