# 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/l2/l2_bridge_domain.robot | Resource | resources/libraries/robot/shared/testing_path.robot | Resource | resources/libraries/robot/overlay/vxlan.robot | Library | resources.libraries.python.Trace | Force Tags | HW_ENV | VM_ENV | 3_NODE_DOUBLE_LINK_TOPO | VPP_VM_ENV | Test Setup | Set up functional test | Test Teardown | Run Keywords | ... | qemu-1.Qemu Kill | AND | ... | qemu-2.Qemu Kill | AND | ... | Tear down functional test | Documentation | *Vhost-User Interface Traffic Tests* | ... | *[Top] Network Topologies:* TG=DUT1 2-node topology with two links | ... | between nodes. | ... | *[Enc] Packet Encapsulations:* Eth-IPv4-VXLAN-ETH-IP on TG-DUT link. | ... | ETH-IP on VirtualEthernet-VM interface. | ... | *[Cfg] DUT configuration:* On DUT is running 2 VM with 2 vhost-user | ... | interface on each VM. DUT is configured with VXLAN and vhost-user | ... | interfaces in bridge-domain (L2BD). | ... | *[Cfg] VM configuration:* VM has both vhost-user interfaces added into | ... | Linux Bridge. | ... | *[Ver] TG verification:* | ... | VXLAN packet is send to DUT where is decapsulated and send bridged to | ... | vhost-user inteface. VM forwards frame to its second interface and VPP | ... | encapsulates it to another VXLAN tunnel. Packets | ... | are sent and received by TG on link to DUT. *** Variables *** | ${tg_if1_ip}= | 192.168.0.1 | ${dut_if1_ip}= | 192.168.0.2 | ${prefix_length}= | ${24} | ${sock_vm1_1}= | /tmp/sock1 | ${sock_vm1_2}= | /tmp/sock2 | ${sock_vm2_1}= | /tmp/sock3 | ${sock_vm2_2}= | /tmp/sock4 *** Test Cases *** | TC01: Qemu reconnects to VPPs vhost-user when Qemu is killed and restarted | | Given Configure path in 2-node circular topology | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']} | | And Set interfaces in 2-node circular topology up | | And Set Interface Address | ${dut_node} | ${dut_to_tg_if1} | ${dut_if1_ip} | | ... | ${prefix_length} | | And Add IP Neighbor | ${dut_node} | ${dut_to_tg_if1} | ${tg_if1_ip} | | ... | ${tg_to_dut_if1_mac} | | ${vxlan1}= | And Create VXLAN interface | ${dut_node} | ${101} | | ... | ${dut_if1_ip} | ${tg_if1_ip} | | ${vxlan2}= | And Create VXLAN interface | ${dut_node} | ${102} | | ... | ${dut_if1_ip} | ${tg_if1_ip} | | ${vxlan3}= | And Create VXLAN interface | ${dut_node} | ${103} | | ... | ${dut_if1_ip} | ${tg_if1_ip} | | ${vxlan4}= | And Create VXLAN interface | ${dut_node} | ${104} | | ... | ${dut_if1_ip} | ${tg_if1_ip} | | And Set Interface State | ${dut_node} | ${vxlan1} | up | | And Set Interface State | ${dut_node} | ${vxlan2} | up | | And Set Interface State | ${dut_node} | ${vxlan3} | up | | And Set Interface State | ${dut_node} | ${vxlan4} | up | | ${vhost_if1}= | And Vpp Create Vhost User Interface | | ... | ${dut_node} | ${sock_vm1_1} | | ${vhost_if2}= | And Vpp Create Vhost User Interface | | ... | ${dut_node} | ${sock_vm1_2} | | ${vhost_if3}= | And Vpp Create Vhost User Interface | | ... | ${dut_node} | ${sock_vm2_1} | | ${vhost_if4}= | And Vpp Create Vhost User Interface | | ... | ${dut_node} | ${sock_vm2_2} | | And Set Interface State | ${dut_node} | ${vhost_if1} | up | | And Set Interface State | ${dut_node} | ${vhost_if2} | up | | And Set Interface State | ${dut_node} | ${vhost_if3} | up | | And Set Interface State | ${dut_node} | ${vhost_if4} | up | | And Vpp Add L2 Bridge Domain | ${dut_node} | ${101} | ${vxlan1} | | ... | ${vhost_if1} | | And Vpp Add L2 Bridge Domain | ${dut_node} | ${102} | ${vxlan2} | | ... | ${vhost_if2} | | And Vpp Add L2 Bridge Domain | ${dut_node} | ${103} | ${vxlan3} | | ... | ${vhost_if3} | | And Vpp Add L2 Bridge Domain | ${dut_node} | ${104} | ${vxlan4} | | ... | ${vhost_if4} | | And Configure QEMU vhost and run it VM | ${dut_node} | ${sock_vm1_1} | | ... | ${sock_vm1_2} | ${1} | | And Configure QEMU vhost and run it VM | ${dut_node} | ${sock_vm2_1} | | ... | ${sock_vm2_2} | ${2} | | And Check traffic through VM | | When Run keyword | qemu-1.Qemu Kill | | ${vm1}= | And Run Keyword | qemu-1.Qemu Start | | ${vhost_int_1}= | And Get Vhost User If Name By Sock | ${vm1} | | ... | ${sock_vm1_1} | | ${vhost_int_2}= | And Get Vhost User If Name By Sock | ${vm1} | | ... | ${sock_vm1_2} | | And Linux Add Bridge | ${vm1} | br0 | ${vhost_int_1} | ${vhost_int_2} | | And Set Interface State | ${vm1} | ${vhost_int_1} | up | if_type=name | | And Set Interface State | ${vm1} | ${vhost_int_2} | up | if_type=name | | Then Check traffic through VM | TC02: VPP reconnects to Qemu vhost-user when Restart VPP and reconfigured | | [Tags] | EXPECTED_FAILING | | [Documentation] | | ... | *Failing:* Qemu doesn't support reconnect prior to version 2.7. | | Given Configure path in 2-node circular topology | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']} | | And Set interfaces in 2-node circular topology up | | And Set Interface Address | ${dut_node} | ${dut_to_tg_if1} | ${dut_if1_ip} | | ... | ${prefix_length} | | And Add IP Neighbor | ${dut_node} | ${dut_to_tg_if1} | ${tg_if1_ip} | | ... | ${tg_to_dut_if1_mac} | | ${vxlan1}= | And Create VXLAN interface | ${dut_node} | ${101} | | ... | ${dut_if1_ip} | ${tg_if1_ip} | | ${vxlan2}= | And Create VXLAN interface | ${dut_node} | ${102} | | ... | ${dut_if1_ip} | ${tg_if1_ip} | | ${vxlan3}= | And Create VXLAN interface | ${dut_node} | ${103} | | ... | ${dut_if1_ip} | ${tg_if1_ip} | | ${vxlan4}= | And Create VXLAN interface | ${dut_node} | ${104} | | ... | ${dut_if1_ip} | ${tg_if1_ip} | | And Set Interface State | ${dut_node} | ${vxlan1} | up | | And Set Interface State | ${dut_node} | ${vxlan2} | up | | And Set Interface State | ${dut_node} | ${vxlan3} | up | | And Set Interface State | ${dut_node} | ${vxlan4} | up | | ${vhost_if1}= | And Vpp Create Vhost User Interface | ${dut_node} | | ... | ${sock_vm1_1} | | ${vhost_if2}= | And Vpp Create Vhost User Interface | ${dut_node} | | ... | ${sock_vm1_2} | | ${vhost_if3}= | And Vpp Create Vhost User Interface | ${dut_node} | | ... | ${sock_vm2_1} | | ${vhost_if4}= | And Vpp Create Vhost User Interface | ${dut_node} | | ... | ${sock_vm2_2} | | And Set Interface State | ${dut_node} | ${vhost_if1} | up | | And Set Interface State | ${dut_node} | ${vhost_if2} | up | | And Set Interface State | ${dut_node} | ${vhost_if3} | up | | And Set Interface State | ${dut_node} | ${vhost_if4} | up | | And Vpp Add L2 Bridge Domain | ${dut_node} | ${101} | ${vxlan1} | | ... | ${vhost_if1} | | And Vpp Add L2 Bridge Domain | ${dut_node} | ${102} | ${vxlan2} | | ... | ${vhost_if2} | | And Vpp Add L2 Bridge Domain | ${dut_node} | ${103} | ${vxlan3} | | ... | ${vhost_if3} | | And Vpp Add L2 Bridge Domain | ${dut_node} | ${104} | ${vxlan4} | | ... | ${vhost_if4} | | And Configure QEMU vhost and run it VM | ${dut_node} | ${sock_vm1_1} | | ... | ${sock_vm1_2} | ${1} | | And Configure QEMU vhost and run it VM | ${dut_node} | ${sock_vm2_1} | | ... | ${sock_vm2_2} | ${2} | | And Check traffic through VM | | And Verify VPP PID in Teardown | | When Setup All Duts | ${nodes} | | And Save VPP PIDs | | And Set interfaces in 2-node circular topology up | | And Set Interface Address | ${dut_node} | ${dut_to_tg_if1} | ${dut_if1_ip} | | ... | ${prefix_length} | | And Add IP Neighbor | ${dut_node} | ${dut_to_tg_if1} | ${tg_if1_ip} | | ... | ${tg_to_dut_if1_mac} | | ${vxlan1}= | And Create VXLAN interface | ${dut_node} | ${101} | | ... | ${dut_if1_ip} | ${tg_if1_ip} | | ${vxlan2}= | And Create VXLAN interface | ${dut_node} | ${102} | | ... | ${dut_if1_ip} | ${tg_if1_ip} | | ${vxlan3}= | And Create VXLAN interface | ${dut_node} | ${103} | | ... | ${dut_if1_ip} | ${tg_if1_ip} | | ${vxlan4}= | And Create VXLAN interface | ${dut_node} | ${104} | | ... | ${dut_if1_ip} | ${tg_if1_ip} | | And Set Interface State | ${dut_node} | ${vxlan1} | up | | And Set Interface State | ${dut_node} | ${vxlan2} | up | | And Set Interface State | ${dut_node} | ${vxlan3} | up | | And Set Interface State | ${dut_node} | ${vxlan4} | up | | ${vhost_if1}= | And Vpp Create Vhost User Interface | ${dut_node} | | ... | ${sock_vm1_1} | | ${vhost_if2}= | And Vpp Create Vhost User Interface | ${dut_node} | | ... | ${sock_vm1_2} | | ${vhost_if3}= | And Vpp Create Vhost User Interface | ${dut_node} | | ... | ${sock_vm2_1} | | ${vhost_if4}= | And Vpp Create Vhost User Interface | ${dut_node} | | ... | ${sock_vm2_2} | | And Set Interface State | ${dut_node} | ${vhost_if1} | up | | And Set Interface State | ${dut_node} | ${vhost_if2} | up | | And Set Interface State | ${dut_node} | ${vhost_if3} | up | | And Set Interface State | ${dut_node} | ${vhost_if4} | up | | And Vpp Add L2 Bridge Domain | ${dut_node} | ${101} | ${vxlan1} | | ... | ${vhost_if1} | | And Vpp Add L2 Bridge Domain | ${dut_node} | ${102} | ${vxlan2} | | ... | ${vhost_if2} | | And Vpp Add L2 Bridge Domain | ${dut_node} | ${103} | ${vxlan3} | | ... | ${vhost_if3} | | And Vpp Add L2 Bridge Domain | ${dut_node} | ${104} | ${vxlan4} | | ... | ${vhost_if4} | | Then Check traffic through VM *** Keywords *** | Configure QEMU vhost and run it VM | | [Arguments] | ${dut_node} | ${sock1} | ${sock2} | ${qemu_id} | | Import Library | resources.libraries.python.QemuUtils | node=${dut_node} | | | ... | qemu_id=${qemu_id} | WITH NAME | qemu-${qemu_id} | | Run keyword | qemu-${qemu_id}.Qemu Add Vhost User If | ${sock1} | | Run keyword | qemu-${qemu_id}.Qemu Add Vhost User If | ${sock2} | | ${vm}= | Run keyword | qemu-${qemu_id}.Qemu Start | | ${vhost1}= | Get Vhost User If Name By Sock | ${vm} | ${sock1} | | ${vhost2}= | Get Vhost User If Name By Sock | ${vm} | ${sock2} | | Linux Add Bridge | ${vm} | br0 | ${vhost1} | ${vhost2} | | Set Interface State | ${vm} | ${vhost1} | up | if_type=name | | Set Interface State | ${vm} | ${vhost2} | up | if_type=name | | Set Test Variable | ${qemu-${qemu_id}} | ${vm} | Check traffic through VM | | [Documentation] | Send VXLAN traffic through both configured VMs. | | Send VXLAN encapsulated packet and verify received packet | ${tg_node} | | ... | ${tg_to_dut_if1} | ${tg_to_dut_if1} | | ... | ${tg_to_dut_if1_mac} | ${dut_to_tg_if1_mac} | | ... | ${tg_if1_ip} | ${dut_if1_ip} | ${101} | | ... | ${dut_if1_ip} | ${tg_if1_ip} | ${102} | | Send VXLAN encapsulated packet and verify received packet | ${tg_node} | | ... | ${tg_to_dut_if1} | ${tg_to_dut_if1} | | ... | ${tg_to_dut_if1_mac} | ${dut_to_tg_if1_mac} | | ... | ${tg_if1_ip} | ${dut_if1_ip} | ${103} | | ... | ${dut_if1_ip} | ${tg_if1_ip} | ${104}