# Copyright (c) 2016 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/shared/testing_path.robot | Resource | resources/libraries/robot/overlay/vxlan.robot | Resource | resources/libraries/robot/l2/l2_traffic.robot | Library | resources.libraries.python.Trace | Force Tags | 3_NODE_SINGLE_LINK_TOPO | VM_ENV | HW_ENV | VPP_VM_ENV | Test Setup | Set up functional test | Test Teardown | Run Keywords | Tear down functional test | ... | AND | Run keyword | Tear down QEMU | ${dut1_node} | ${qemu1} | ... | AND | Run keyword | Tear down QEMU | ${dut2_node} | ${qemu2} | Documentation | *L2BD with VM combined with VXLAN test cases - IPv4* | ... | ... | *[Top] Network topologies:* TG-DUT1-DUT2-TG 3-node circular topology | ... | with single links between nodes. | ... | *[Enc] Packet encapsulations:* Eth-IPv4-VXLAN-Eth-IPv4-ICMPv4 on | ... | DUT1-DUT2, Eth-IPv4-ICMPv4 on TG-DUTn for L2 switching of IPv4. | ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with L2 | ... | bridge-domain (L2BD) switching combined with MAC learning enabled; | ... | VXLAN tunnels are configured between L2BDs on DUT1 and DUT2. | ... | *[Ver] TG verification:* Test ICMPv4 Echo Request packets are sent | ... | in both directions by TG on links to DUT1 and DUT2; on receive TG | ... | verifies packets for correctness and their IPv4 src-addr, dst-addr | ... | and MAC addresses. | ... | *[Ref] Applicable standard specifications:* RFC7348. *** Variables *** | ${vni_1}= | 23 | ${bd_id1}= | 10 | ${bd_id2}= | 20 | ${ip4_addr1}= | 172.16.0.1 | ${ip4_addr2}= | 172.16.0.2 | ${ip4_prefix}= | 24 | ${sock1}= | /tmp/sock1 | ${sock2}= | /tmp/sock2 | ${qemu1}= | qemu_instance_1 | ${qemu2}= | qemu_instance_2 | ${dut1_vhost1}= | dut1_vhost_if1 | ${dut1_vhost2}= | dut1_vhost_if2 | ${dut2_vhost1}= | dut2_vhost_if1 | ${dut2_vhost2}= | dut2_vhost_if2 *** Test Cases *** | TC01:DUT1 and DUT2 with two L2BDs and VXLANoIPv4 tunnel switch ICMPv4 between TG links and VM links | | [Documentation] | | ... | [Top] TG-DUT1-VM-DUT1-DUT2-VM-DUT2-TG. | | ... | [Enc] Eth-IPv4-VXLAN-Eth-IPv4-ICMPv4 on DUT1-DUT2; Eth-IPv4-ICMPv4 | | ... | on TG-DUTn and DUTn=VM. | | ... | [Cfg] On both DUTs configure two L2BDs (MAC learning enabled); first | | ... | L2BD with untagged interface to TG and vhost-user interface to local | | ... | VM, second one with vhost-user interface to local VM and VXLAN | | ... | interface towards the other DUT. Configure linux bridge on both VMs | | ... | to pass traffic between both vhost-user interfaces. | | ... | [Ver] Make TG send ICMPv4 Echo Req between two of its interfaces to | | ... | be switched by DUT1 and DUT2; verify packets are switched between | | ... | these TG interfaces. | | ... | [Ref] RFC7348. | | Given Configure path in 3-node circular topology | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['DUT2']} | ${nodes['TG']} | | And Set interfaces in 3-node circular topology up | | When Configure vhost interfaces for L2BD forwarding | ${dut1_node} | | ... | ${sock1} | | ... | ${sock2} | | ... | ${dut1_vhost1} | | ... | ${dut1_vhost2} | | And Configure vhost interfaces for L2BD forwarding | ${dut2_node} | | ... | ${sock1} | | ... | ${sock2} | | ... | ${dut2_vhost1} | | ... | ${dut2_vhost2} | | And Configure VM for vhost L2BD forwarding | ${dut1_node} | ${sock1} | | ... | ${sock2} | ${qemu1} | | And Configure VM for vhost L2BD forwarding | ${dut2_node} | ${sock1} | | ... | ${sock2} | ${qemu2} | | And Set Interface Address | ${dut1_node} | ${dut1_to_dut2} | ${ip4_addr1} | | ... | ${ip4_prefix} | | And Set Interface Address | ${dut2_node} | ${dut2_to_dut1} | ${ip4_addr2} | | ... | ${ip4_prefix} | | And VPP IP Probe | ${dut1_node} | ${dut1_to_dut2} | ${ip4_addr2} | | And VPP IP Probe | ${dut2_node} | ${dut2_to_dut1} | ${ip4_addr1} | | ${dut1s_vxlan}= | And Create VXLAN interface | ${dut1_node} | ${vni_1} | | | ... | ${ip4_addr1} | ${ip4_addr2} | | ${dut2s_vxlan}= | And Create VXLAN interface | ${dut2_node} | ${vni_1} | | | ... | ${ip4_addr2} | ${ip4_addr1} | | And Add interfaces to L2BD | ${dut1_node} | ${bd_id1} | | ... | ${dut1_to_tg} | ${${dut1_vhost1}} | | And Add interfaces to L2BD | ${dut1_node} | ${bd_id2} | | ... | ${dut1s_vxlan} | ${${dut1_vhost2}} | | And Add interfaces to L2BD | ${dut2_node} | ${bd_id1} | | ... | ${dut2_to_tg} | ${${dut2_vhost1}} | | And Add interfaces to L2BD | ${dut2_node} | ${bd_id2} | | ... | ${dut2s_vxlan} | ${${dut2_vhost2}} | | Then Send ICMPv4 bidirectionally and verify received packets | | ... | ${tg_node} | ${tg_to_dut1} | ${tg_to_dut2}