# 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 *** | Library | resources.libraries.python.IPUtil | Library | resources.libraries.python.Namespaces | Library | resources.libraries.python.Tap | Library | resources.libraries.python.Trace | ... | Resource | resources/libraries/robot/ip/ip4.robot | Resource | resources/libraries/robot/ip/ip6.robot | Resource | resources/libraries/robot/l2/l2_bridge_domain.robot | Resource | resources/libraries/robot/shared/default.robot | Resource | resources/libraries/robot/shared/interfaces.robot | Resource | resources/libraries/robot/shared/testing_path.robot | Resource | resources/libraries/robot/shared/traffic.robot | ... | Force Tags | 2_NODE_SINGLE_LINK_TOPO | DEVICETEST | HW_ENV | DCR_ENV | ... | FUNCTEST | IP4FWD | BASE | ETH | IP4BASE | TAP | ... | Test Setup | Run Keywords | Set up VPP device test | ... | AND | Clean Up Namespaces | ${nodes['DUT1']} | ... | Test Teardown | Run Keywords | Tear down VPP device test | ... | AND | Clean Up Namespaces | ${nodes['DUT1']} | ... | 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 *** | ${tap1_VPP_ip}= | 16.0.10.1 | ${tap1_NM_ip}= | 16.0.10.2 | ${tap1_NM_mac}= | 02:00:00:00:00:02 | ${tap_int1}= | tap0 | ${namespace1}= | nmspace1 | ${dut_ip_address}= | 192.168.0.1 | ${tg_ip_address}= | 192.168.0.2 | ${tg_ip_address_GW}= | 192.168.0.0 | ${prefix}= | 24 *** Test Cases *** | tc01-eth2p-ethicmpv4-ip4base-device_tap-no-namespace | | [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. | | ... | | Given Configure path in 2-node circular topology | ${nodes['TG']} | | ... | ${nodes['DUT1']} | ${nodes['TG']} | | And Set interfaces in 2-node circular topology up | | ${int1}= | And Add Tap Interface | ${dut_node} | ${tap_int1} | | | And VPP Interface Set IP Address | | ... | ${dut_node} | ${int1} | ${tap1_VPP_ip} | ${prefix} | | And VPP Interface Set IP Address | | ... | ${dut_node} | ${dut_to_tg_if1} | ${dut_ip_address} | ${prefix} | | And Set Interface State | ${dut_node} | ${int1} | up | | And Set Linux Interface MAC | ${dut_node} | ${tap_int1} | ${tap1_NM_mac} | | And Set Linux Interface IP | ${dut_node} | | ... | ${tap_int1} | ${tap1_NM_ip} | ${prefix} | | And Add Linux Route | ${dut_node} | | ... | ${tg_ip_address_GW} | ${prefix} | ${tap1_VPP_ip} | | And VPP Add IP Neighbor | ${dut_node} | ${dut_to_tg_if1} | | ... | ${tg_ip_address} | ${tg_to_dut_if1_mac} | | And VPP Add IP Neighbor | ${dut_node} | ${int1} | | ... | ${tap1_NM_ip} | ${tap1_NM_mac} | | Then Send ICMP echo request and verify answer | ${tg_node} | | ... | ${tg_to_dut_if1} | ${dut_to_tg_if1_mac} | ${tg_to_dut_if1_mac} | | ... | ${tap1_NM_ip} | ${tg_ip_address} | tc02-eth2p-ethicmpv4-ip4base-device_tap-namespace | | [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 in\ | | ... | namespace. | | ... | [Ver] Packet sent from TG gets to the destination and ICMP-reply is\ | | ... | received on TG. | | ... | | Given Configure path in 2-node circular topology | ${nodes['TG']} | | ... | ${nodes['DUT1']} | ${nodes['TG']} | | And Set interfaces in 2-node circular topology up | | ${int1}= | And Add Tap Interface | ${dut_node} | ${tap_int1} | | | And VPP Interface Set IP Address | | ... | ${dut_node} | ${int1} | ${tap1_VPP_ip} | ${prefix} | | And VPP Interface Set IP Address | | ... | ${dut_node} | ${dut_to_tg_if1} | ${dut_ip_address} | ${prefix} | | And Set Interface State | ${dut_node} | ${int1} | up | | When Create Namespace | ${dut_node} | ${namespace1} | | And Attach Interface To Namespace | ${dut_node} | | ... | ${namespace1} | ${tap_int1} | | And Set Linux Interface MAC | ${dut_node} | | ... | ${tap_int1} | ${tap1_NM_mac} | ${namespace1} | | And Set Linux Interface IP | ${dut_node} | | ... | ${tap_int1} | ${tap1_NM_ip} | ${prefix} | ${namespace1} | | And VPP Add IP Neighbor | ${dut_node} | ${dut_to_tg_if1} | | ... | ${tg_ip_address} | ${tg_to_dut_if1_mac} | | And VPP Add IP Neighbor | ${dut_node} | ${int1} | | ... | ${tap1_NM_ip} | ${tap1_NM_mac} | | And Add Linux Route | ${dut_node} | | ... | ${tg_ip_address_GW} | ${prefix} | ${tap1_VPP_ip} | ${namespace1} | | Then Send ICMP echo request and verify answer | ${tg_node} | | ... | ${tg_to_dut_if1} | ${dut_to_tg_if1_mac} | ${tg_to_dut_if1_mac} | | ... | ${tap1_NM_ip} | ${tg_ip_address}