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# Licensed under the Apache License, Version 2.0 (the "License");
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#
#     http://www.apache.org/licenses/LICENSE-2.0
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*** Settings ***
| Resource | resources/libraries/robot/shared/default.robot
| ...
| Force Tags | 2_NODE_SINGLE_LINK_TOPO | DEVICETEST | HW_ENV | DCR_ENV | SCAPY
| ... | NIC_Virtual | ETH | IP4FWD | BASE | VHOST | 1VM
| ...
| Suite Setup | Setup suite single link | scapy
| Test Setup | Setup test
| Test Teardown | Tear down test | packet_trace | vhost
| ...
| Test Template | Local Template
| ...
| Documentation | *IPv4 routing test cases with vhost user interface*
| ...
| ... | *[Top] Network Topologies:* TG-DUT1-TG 2-node circular topology with \
| ... | VM and single links between nodes.
| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-ICMPv4 for IPv4 routing on \
| ... | both links.
| ... | *[Cfg] DUT configuration:* DUT1 is configured with IPv4 routing and \
| ... | two static IPv4 /24 route entries. Qemu Guest is connected to VPP via \
| ... | vhost-user interfaces. Guest is running VPP ip4 interconnecting \
| ... | vhost-user interfaces.
| ... | *[Ver] TG verification:* Test ICMPv4 Echo Request packets are sent in \
| ... | one direction by TG on links to DUT1; on receive TG verifies packets \
| ... | for correctness and their IPv4 src-addr, dst-addr and MAC addresses.
| ... | *[Ref] Applicable standard specifications:* RFC791, RFC826, RFC792

*** Variables ***
| @{plugins_to_enable}= | dpdk_plugin.so
| ${nic_name}= | virtual
| ${nic_driver}= | vfio-pci
| ${nf_chains}= | ${1}
| ${nf_nodes}= | ${1}
| ${nf_dtc} | ${1}
| ${nf_dtcr} | ${1}
| ${tg_if1_ip}= | 10.10.10.2
| ${tg_if2_ip}= | 20.20.20.2

*** Keywords ***
| Local Template
| | [Documentation]
| | ... | Test uses two VRFs to route IPv4 traffic through two vhost-user \
| | ... | nterfaces. Both interfaces are configured with IP addresses from \
| | ... | the same network. The VM is running VPP IPv4 forwarding to pass \
| | ... | packet from one vhost-user interface to the other one.
| | ...
| | ... | *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 Add worker threads and rxqueues to all DUTs | ${phy_cores} | ${rxq}
| | And Add PCI devices to all DUTs
| | And Apply startup configuration on all VPP DUTs | with_trace=${True}
| | When Initialize layer driver | ${nic_driver}
| | And Initialize IPv4 forwarding with vhost in 2-node circular topology
| | ... | nf_nodes=${nf_nodes}
| | And Configure chains of NFs connected via vhost-user
| | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes}
| | ... | vnf=vpp_chain_ip4_noarp | pinning=${False}
| | Then Send packet and verify headers
| | ... | ${tg} | ${tg_if1_ip} | ${tg_if2_ip}
| | ... | ${tg_if1} | ${tg_if1_mac} | ${dut1_if1_mac}
| | ... | ${tg_if2} | ${dut1_if2_mac} | ${tg_if2_mac}

*** Test Cases ***
| tc01-64B-ethicmp4-ip4base-eth-2vhost-1vm-dev
| | [Tags] | 64B
| | frame_size=${64} | phy_cores=${0}