# 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.InterfaceUtil | Library | resources.libraries.python.IPUtil | Library | resources.libraries.python.NodePath | Library | resources.libraries.python.topology.Topology | Library | resources.libraries.python.Trace | Library | resources.libraries.python.VhostUser | Library | resources.libraries.python.VPPUtil | Resource | resources/libraries/robot/ip/ip4.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 | VHOST | 1VM | ... | Test Setup | Set up VPP device test | ... | Test Teardown | Run Keywords | ... | Stop and clear QEMU | ${dut_node} | ... | AND | Tear down VPP device test | ... | Documentation | *IPv4 routing 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-ICMPv4 for IPv4 routing on \ | ... | both links. | ... | *[Cfg] DUT configuration:* DUT1 is configured with IPv4 routing and \ | ... | two static IPv4 /24 route entries. Qemu Guest is connected to VPP via \ | ... | vhost-user interfaces. Guest is configured with linux bridge \ | ... | interconnecting vhost-user interfaces. | ... | *[Ver] TG verification:* Test ICMPv4 Echo Request packets are sent in \ | ... | one direction by TG on links to DUT1; on receive TG verifies packets \ | ... | for correctness and their IPv4 src-addr, dst-addr and MAC addresses. | ... | *[Ref] Applicable standard specifications:* RFC791, RFC826, RFC792 *** Variables *** | ${net1}= | 10.0.1.0 | ${net3}= | 10.0.3.0 | ${net1_ip1}= | 10.0.1.1 | ${net1_ip2}= | 10.0.1.2 | ${net2_ip1}= | 10.0.2.1 | ${net2_ip2}= | 10.0.2.2 | ${net3_ip1}= | 10.0.3.1 | ${net3_ip2}= | 10.0.3.2 | ${prefix_length}= | 24 | ${fib_table_2}= | 20 | ${sock1}= | /tmp/sock1 | ${sock2}= | /tmp/sock2 *** Test Cases *** | tc01-eth2p-ethip4-ip4base-eth-2vhost-1vm-device | | [Documentation] | | ... | Test uses two VRFs to route IPv4 traffic through two vhost-user \ | | ... | interfaces. Both interfaces are configured with IP addresses from \ | | ... | the same network. There is created linux bridge on VM to pass packet \ | | ... | from one vhost-user interface to another one. | | ... | | Given Configure path in 2-node circular topology | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']} | | And Configure interfaces in path up | | ${vhost1}= | And Vpp Create Vhost User Interface | ${dut_node} | ${sock1} | | ${vhost2}= | And Vpp Create Vhost User Interface | ${dut_node} | ${sock2} | | And Set Interface State | ${dut_node} | ${vhost1} | up | | And Set Interface State | ${dut_node} | ${vhost2} | up | | And Add Fib Table | ${dut_node} | ${fib_table_2} | | And Assign Interface To Fib Table | ${dut_node} | | ... | ${vhost2} | ${fib_table_2} | | And Assign Interface To Fib Table | ${dut_node} | | ... | ${dut_to_tg_if2} | ${fib_table_2} | | And Configure IP addresses on interfaces | | ... | ${dut_node} | ${dut_to_tg_if1} | ${net1_ip1} | ${prefix_length} | | ... | ${dut_node} | ${vhost1} | ${net2_ip1} | ${prefix_length} | | ... | ${dut_node} | ${vhost2} | ${net2_ip2} | ${prefix_length} | | ... | ${dut_node} | ${dut_to_tg_if2} | ${net3_ip1} | ${prefix_length} | | ${vhost2_mac}= | And Get Vhost User Mac By SW Index | | ... | ${dut_node} | ${vhost2} | | And Vpp Route Add | ${dut_node} | ${net3} | ${prefix_length} | | ... | gateway=${net2_ip2} | interface=${vhost1} | resolve_attempts=${NONE} | | ... | count=${NONE} | | And Vpp Route Add | ${dut_node} | ${net1} | ${prefix_length} | | ... | gateway=${net2_ip1} | interface=${vhost2} | resolve_attempts=${NONE} | | ... | count=${NONE} | vrf=${fib_table_2} | | Add IP Neighbor | ${dut_node} | ${vhost1} | ${net2_ip2} | ${vhost2_mac} | | Add IP Neighbor | ${dut_node} | ${dut_to_tg_if2} | ${net3_ip2} | | ... | ${tg_to_dut_if2_mac} | | When Configure VM for vhost L2BD forwarding | | ... | ${dut_node} | ${sock1} | ${sock2} | | Then Send packet and verify headers | | ... | ${tg_node} | ${net1_ip2} | ${net3_ip2} | | ... | ${tg_to_dut_if1} | ${tg_to_dut_if1_mac} | ${dut_to_tg_if1_mac} | | ... | ${tg_to_dut_if2} | ${dut_to_tg_if2_mac} | ${tg_to_dut_if2_mac}