# Copyright (c) 2020 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_Virtual | ETH | IP4FWD | FEATURE | NAT44 | NAT44_DETERMINISTIC | ... | BASE | UDP | DRV_VFIO_PCI | ... | RXQ_SIZE_0 | TXQ_SIZE_0 | ... | ethip4udp-nat44det-dev | | Suite Setup | Setup suite topology interfaces | scapy | Test Setup | Setup test | Test Teardown | Tear down test | packet_trace | det44 | | Test Template | Local Template | | Documentation | *NAT44 deterministic mode 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, | ... | RFC4787. *** Variables *** | @{plugins_to_enable}= | dpdk_plugin.so | det44_plugin.so | ${crypto_type}= | ${None} | ${nic_name}= | virtual | ${nic_driver}= | vfio-pci | ${nic_rxq_size}= | 0 | ${nic_txq_size}= | 0 | ${nic_pfs}= | 2 | ${nic_vfs}= | 0 | ${overhead}= | ${0} # IP addresing | ${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}= | ${20} | ${dut1_if2_ip4}= | 12.0.0.1 | ${dut1_if2_mask}= | ${20} | ${dest_net}= | 30.0.0.0 | ${dest_mask}= | ${24} # proto layer settings | ${protocol}= | UDP | ${src_port_in}= | 1024 | ${dst_port}= | 8080 # NAT settings | ${nat_mode}= | deterministic | ${in_net}= | 20.0.0.0 | ${in_mask}= | ${32} | ${out_net}= | 200.0.0.0 | ${out_mask}= | ${32} *** 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 deterministic 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} | ${dst_port} *** Test Cases *** | 64B-ethip4udp-nat44det-dev | | [Tags] | 64B | | frame_size=${64} | phy_cores=${0}