# 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 | | Force Tags | 2_NODE_SINGLE_LINK_TOPO | DEVICETEST | HW_ENV | DCR_ENV | SCAPY | ... | NIC_Intel-X710 | ETH | L2BDMACLRN | BASE | VHOST | 1VM | ... | DRV_VFIO_PCI | ... | RXQ_SIZE_0 | TXQ_SIZE_0 | ... | ethip4-l2bdbasemaclrn-eth-2vhost-1vm | | Suite Setup | Setup suite topology interfaces | scapy | Test Setup | Setup test | Test Teardown | Tear down test | packet_trace | telemetry | vhost | | Test Template | Local Template | | Documentation | **L2 bridge-domain 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 for L2 switching of IPv4. | ... | | ... | - **[Cfg] DUT configuration:** DUT1 is configured with two L2 \ | ... | bridge-domains (L2BD) switching combined with MAC learning enabled. \ | ... | Qemu Guest is connected to VPP via vhost-user interfaces. Guest is \ | ... | configured with VPP l2 cross-connect interconnecting vhost-user \ | ... | interfaces. | ... | | ... | - **[Ver] TG verification:** Test IPv4 packets with IP protocol=61 are \ | ... | sent in both directions by TG on links to DUT1 via VM; on receive TG. \ | ... | verifies packets for correctness and their IPv4 src-addr, dst-addr \ | ... | and MAC addresses. | ... | | ... | - **[Ref] Applicable standard specifications:** RFC792 *** Variables *** | @{plugins_to_enable}= | dpdk_plugin.so | perfmon_plugin.so | vhost_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} | ${nf_chains}= | ${1} | ${nf_nodes}= | ${1} | ${nf_dtc} | ${1} | ${nf_dtcr} | ${1} # Telemetry | ${telemetry_profile}= | vppctl_test_teardown *** Keywords *** | Local Template | | [Documentation] | | ... | - **[Top]** TG=DUT=VM. | | ... | - **[Enc]** Eth-IPv4. | | ... | - **[Cfg]** On DUT1 configure \ | | ... | two L2BDs with MAC learning, each with vhost-user i/f to local \ | | ... | VM and i/f to TG; configure VPP in VM to loop pkts back betwen its \ | | ... | two virtio i/fs. | | ... | - **[Ver]** Make TG verify IPv4 packets are switched \ | | ... | thru DUT1 and VM in both directions and are correct on receive. | | | | ... | *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 Max Rate And 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 | ${nic_driver} | | And Initialize layer interface | | ... | count=${nf_chains} | | And Initialize L2 bridge domains with Vhost-User | nf_nodes=${nf_nodes} | | And Configure chains of NFs connected via vhost-user | | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes} | | ... | vnf=vppl2xc_2vhostvr1024 | pinning=${False} | | Then Send IPv4 bidirectionally and verify received packets | ${tg} | | ... | ${TG_pf1}[0] | ${TG_pf2}[0] *** Test Cases *** | 64B-0c-ethip4-l2bdbasemaclrn-eth-2vhost-1vm-scapy | | [Tags] | 64B | 0C | | frame_size=${64} | phy_cores=${0}