# Copyright (c) 2019 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_Virtual | ETH | IP4FWD | BASE | IP4BASE | 1TAP | DRV_VFIO_PCI | ... | Suite Setup | Setup suite single link | scapy | Test Setup | Setup test | namespace | Test Teardown | Tear down test | packet_trace | namespace | ... | Test Template | Local Template | ... | Documentation | *Tap Interface Traffic Tests* | ... | *[Top] Network Topologies:* TG=DUT1 2-node topology with two links | ... | between nodes. | ... | *[Enc] Packet Encapsulations:* Eth-IPv4-ICMPv4 for L2 switching of | ... | IPv4. | ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with L2 | ... | bridge-domain (L2BD) MAC learning enabled; Split Horizon Groups (SHG) | ... | are set depending on test case; Namespaces (NM) | ... | are set on DUT1 with attached linux-TAP. | ... | *[Ver] TG verification:* Test ICMPv4 Echo Request packets | ... | are sent by TG on link to DUT1; On receipt TG verifies packets | ... | for correctness and their IPv4 src-addr, dst-addr, and MAC addresses. | ... | *[Ref] Applicable standard specifications:* *** Variables *** | @{plugins_to_enable}= | dpdk_plugin.so | ${crypto_type}= | ${None} | ${nic_name}= | virtual | ${nic_driver}= | vfio-pci | ${overhead}= | ${0} | ${tap1_VPP_ip}= | 16.0.10.1 | ${tap1_NM_ip}= | 16.0.10.2 | ${tap1_NM_mac}= | 02:00:00:00:00:02 | ${dut_ip_address}= | 192.168.0.1 | ${tg_ip_address}= | 192.168.0.2 | ${tg_ip_address_GW}= | 192.168.0.0 | ${prefix}= | 24 *** Keywords *** | Local Template | | [Documentation] | | ... | [Cfg] On DUT1 configure two interface addresses with IPv4 of which\ | | ... | one is TAP interface (dut_to_tg_if and TAP) and one is linux-TAP. | | ... | [Ver] Packet sent from TG gets to the destination and ICMP-reply is\ | | ... | received on TG. | | ... | | ... | *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 | | ${int1}= | And Add Tap Interface | ${dut1} | tap0 | | And VPP Interface Set IP Address | | ... | ${dut1} | ${int1} | ${tap1_VPP_ip} | ${prefix} | | And VPP Interface Set IP Address | | ... | ${dut1} | ${dut1_if1} | ${dut_ip_address} | ${prefix} | | And Set Interface State | ${dut1} | ${int1} | up | | And Set Linux Interface MAC | ${dut1} | tap0 | ${tap1_NM_mac} | | And Set Linux Interface IP | ${dut1} | tap0 | ${tap1_NM_ip} | ${prefix} | | And Add Linux Route | | ... | ${dut1} | ${tg_ip_address_GW} | ${prefix} | ${tap1_VPP_ip} | | And VPP Add IP Neighbor | | ... | ${dut1} | ${dut1_if1} | ${tg_ip_address} | ${tg_if1_mac} | | And VPP Add IP Neighbor | | ... | ${dut1} | ${int1} | ${tap1_NM_ip} | ${tap1_NM_mac} | | Then Send ICMP echo request and verify answer | | ... | ${tg} | ${tg_if1} | ${dut1_if1_mac} | ${tg_if1_mac} | | ... | ${tap1_NM_ip} | ${tg_ip_address} *** Test Cases *** | tc01-64B-ethicmpv4-ip4base-eth-1tap-dev | | [Tags] | 64B | | frame_size=${64} | phy_cores=${0}