# 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 *** | Library | resources.libraries.python.NodePath | Library | resources.libraries.python.Trace | Resource | resources/libraries/robot/shared/default.robot | Resource | resources/libraries/robot/shared/interfaces.robot | Resource | resources/libraries/robot/ip/ip4.robot | Force Tags | 3_NODE_SINGLE_LINK_TOPO | HW_ENV | SKIP_VPP_PATCH | Suite Setup | Run Keywords | ... | Configure all DUTs before test | AND | ... | Configure all TGs for traffic script | AND | ... | Update All Interface Data On All Nodes | ${nodes} | AND | ... | Configure DUT nodes for IPv4 testing | Test Setup | Run Keywords | Save VPP PIDs | AND | ... | Reset VAT History On All DUTs | ${nodes} | AND | ... | Clear interface counters on all vpp nodes in topology | ${nodes} | Test Teardown | Run Keywords | ... | Show packet trace on all DUTs | ${nodes} | AND | ... | Show VAT History On All DUTs | ${nodes} | AND | ... | Verify VPP PID in Teardown | Documentation | *IPv4 routing test cases* | ... | ... | RFC791 IPv4, RFC826 ARP, RFC792 ICMPv4. Encapsulations: Eth-IPv4-ICMPv4 | ... | on links TG-DUT1, TG-DUT2, DUT1-DUT2. IPv4 routing tests use circular | ... | 3-node topology TG - DUT1 - DUT2 - TG with one link between the nodes. | ... | DUT1 and DUT2 are configured with IPv4 routing and static routes. Test | ... | ICMPv4 Echo Request packets are sent in both directions by TG on links | ... | to DUT1 and DUT2 and received on TG links on the other side of circular | ... | topology. On receive TG verifies packets IPv4 src-addr, dst-addr and MAC | ... | addresses. *** Test Cases *** | TC01: DUT replies to ICMPv4 Echo Req to its ingress interface | | [Documentation] | | ... | Make TG send ICMPv4 Echo Req to DUT ingress interface. Make TG\ | | ... | verify ICMP Echo Reply is correct. | | [Tags] | VM_ENV | | Append Nodes | ${nodes['TG']} | ${nodes['DUT1']} | | Compute Path | | ${src_port} | ${src_node}= | First Interface | | ${dst_port} | ${dst_node}= | Last Interface | | ${hops}= | Set Variable | ${0} | | Route traffic from interface '${src_port}' on node '${src_node}' to interface '${dst_port}' on node '${dst_node}' '${hops}' hops away using IPv4 | TC02: DUT routes IPv4 to its egress interface | | [Tags] | VM_ENV | | [Documentation] | | ... | Make TG send ICMPv4 Echo Req towards DUT1 egress interface\ | | ... | connected to DUT2. Make TG verify ICMPv4 Echo Reply is correct. | | Append Nodes | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['DUT2']} | | Compute Path | | ${src_port} | ${src_node}= | First Interface | | ${dst_port} | ${dst_node}= | Last Egress Interface | | ${hops}= | Set Variable | ${0} | | Route traffic from interface '${src_port}' on node '${src_node}' to interface '${dst_port}' on node '${dst_node}' '${hops}' hops away using IPv4 | TC03: DUT1 routes IPv4 to DUT2 ingress interface | | [Tags] | VM_ENV | | [Documentation] | | ... | Make TG send ICMPv4 Echo Req towards DUT2 ingress interface\ | | ... | connected to DUT1. Make TG verify ICMPv4 Echo Reply is correct. | | Append Nodes | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['DUT2']} | | Compute Path | | ${src_port} | ${src_node}= | First Interface | | ${dst_port} | ${dst_node}= | Last Interface | | ${hops}= | Set Variable | ${1} | | Route traffic from interface '${src_port}' on node '${src_node}' to interface '${dst_port}' on node '${dst_node}' '${hops}' hops away using IPv4 | TC04: DUT1 routes IPv4 to DUT2 egress interface | | [Tags] | VM_ENV | | [Documentation] | | ... | Make TG send ICMPv4 Echo Req towards DUT2 egress interface\ | | ... | connected to TG. Make TG verify ICMPv4 Echo Reply is correct. | | Append Nodes | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['DUT2']} | ${nodes['TG']} | | Compute Path | | ${src_port} | ${src_node}= | First Interface | | ${dst_port} | ${dst_node}= | Last Egress Interface | | ${hops}= | Set Variable | ${1} | | Route traffic from interface '${src_port}' on node '${src_node}' to interface '${dst_port}' on node '${dst_node}' '${hops}' hops away using IPv4 | TC05: DUT1 and DUT2 route IPv4 between TG interfaces | | [Tags] | VM_ENV | | [Documentation] | | ... | Make TG send ICMPv4 Echo Req between its interfaces across DUT1\ | | ... | and DUT2. Make TG verify ICMPv4 Echo Replies are correct. | | Append Nodes | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['DUT2']} | ${nodes['TG']} | | Compute Path | | ${src_port} | ${src_node}= | First Interface | | ${dst_port} | ${dst_node}= | Last Interface | | ${hops}= | Set Variable | ${2} | | Route traffic from interface '${src_port}' on node '${src_node}' to interface '${dst_port}' on node '${dst_node}' '${hops}' hops away using IPv4 | TC06: DUT replies to ICMPv4 Echo Reqs with size 64B-to-1500B-incr-1B | | [Tags] | VM_ENV | | [Documentation] | | ... | Make TG send ICMPv4 Echo Reqs to DUT ingress interface,\ | | ... | incrementating frame size from 64B to 1500B with increment step | | ... | of 1Byte. Make TG verify ICMP Echo Replies are correct. | | Execute IPv4 ICMP echo sweep | ${nodes['TG']} | ${nodes['DUT1']} | 0 | 1452 | 1 | TC07: DUT replies to ICMPv4 Echo Reqs with size 1500B-to-9000B-incr-10B | | [Documentation] | | ... | Make TG send ICMPv4 Echo Reqs to DUT ingress interface,\ | | ... | incrementating frame size from 1500B to 9000B with increment | | ... | step of 10Bytes. Make TG verify ICMPv4 Echo Replies are correct. | | [Setup] | Configure MTU on TG based on MTU on DUT | ${nodes['TG']} | ${nodes['DUT1']} | | [Teardown] | Run keywords | | ... | Set default Ethernet MTU on all interfaces on node | ${nodes['TG']} | | ... | AND | Verify VPP PID in Teardown | | Append Nodes | ${nodes['TG']} | ${nodes['DUT1']} | | Compute Path | | ${dut_port} | ${dut_node}= | Last Interface | | ${mtu}= | Get Interface MTU | ${dut_node} | ${dut_port} | | # ICMP payload size is frame size minus size of Ehternet header, FCS, | | # IPv4 header and ICMP header | | ${end_size}= | Evaluate | ${mtu} - 14 - 4 - 20 - 8 | | Run Keyword If | ${mtu} > 1518 | | ... | Execute IPv4 ICMP echo sweep | ${nodes['TG']} | ${nodes['DUT1']} | | ... | 1452 | ${end_size} | 10 | TC08: DUT replies to ARP request | | [Tags] | VM_ENV | SKIP_VPP_PATCH | | [Documentation] | | ... | Make TG send ARP Request to DUT and verify ARP Reply is correct.\ | | Send ARP request and verify response | ${nodes['TG']} | ${nodes['DUT1']}