# 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/default.robot | Resource | resources/libraries/robot/ipv4.robot | Resource | resources/libraries/robot/ipv6.robot | Resource | resources/libraries/robot/interfaces.robot | Resource | resources/libraries/robot/bridge_domain.robot | Resource | resources/libraries/robot/testing_path.robot | Resource | resources/libraries/robot/traffic.robot | Library | resources.libraries.python.Trace | Library | resources.libraries.python.Tap | Library | resources.libraries.python.Namespaces | Library | resources.libraries.python.IPUtil | Force Tags | HW_ENV | VM_ENV | 3_NODE_DOUBLE_LINK_TOPO | Test Setup | Run Keywords | Set up functional test | ... | AND | Clean Up Namespaces | ${nodes['DUT1']} | Test Teardown | Run Keywords | Tear down functional 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_NM_ip}= | 16.0.10.2 | ${tap2_NM_SHG}= | 16.0.10.3 | ${bd_id1}= | 21 | ${shg1}= | 2 | ${shg2}= | 3 | ${tap1_NM_mac}= | 02:00:00:00:00:02 | ${tap2_NM_mac}= | 02:00:00:00:00:04 | ${tap_int1}= | tap_int1 | ${tap_int2}= | tap_int2 | ${namespace1}= | nmspace1 | ${namespace2}= | nmspace2 | ${tg_ip_address_SHG}= | 16.0.10.20 | ${prefix}= | 24 *** Test Cases *** | TC01: Tap Interface BD - Different Split Horizon | | [Documentation] | | ... | [Top] TG-DUT1-TG. | | ... | [Enc] Eth-IPv4-ICMPv4. | | ... | [Cfg] On DUT1 | | ... | configure one if into L2BD with MAC learning. Add two TAP interfaces | | ... | into this L2BD and assign them different SHG. Setup two namespaces | | ... | and assign two linux-TAP interfaces to it respectively. | | ... | [Ver] Packet is sent from TG to both linux-TAP interfaces and reply | | ... | is checked. Ping from First linux-TAP to another should pass. | | 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} | | ${int2}= | And Add Tap Interface | ${dut_node} | ${tap_int2} | | And Set Interface State | ${dut_node} | ${int1} | up | | And Set Interface State | ${dut_node} | ${int2} | up | | When Create Namespace | ${dut_node} | ${namespace1} | | And Attach Interface To Namespace | ${dut_node} | | ... | ${namespace1} | ${tap_int1} | | And Create Namespace | ${dut_node} | ${namespace2} | | And Attach Interface To Namespace | ${dut_node} | | ... | ${namespace2} | ${tap_int2} | | And Set Linux Interface IP | ${dut_node} | ${tap_int1} | | ... | ${tap1_NM_ip} | ${prefix} | ${namespace1} | | And Set Linux Interface IP | ${dut_node} | ${tap_int2} | | ... | ${tap2_NM_SHG} | ${prefix} | ${namespace2} | | And Set Linux Interface MAC | ${dut_node} | | ... | ${tap_int1} | ${tap1_NM_mac} | ${namespace1} | | And Set Linux Interface MAC | ${dut_node} | | ... | ${tap_int2} | ${tap2_NM_mac} | ${namespace2} | | And Set Linux Interface ARP | ${dut_node} | ${tap_int1} | | ... | ${tg_ip_address_SHG} | ${tg_to_dut_if1_mac} | ${namespace1} | | And Set Linux Interface ARP | ${dut_node} | ${tap_int2} | | ... | ${tg_ip_address_SHG} | ${tg_to_dut_if1_mac} | ${namespace2} | | And Create bridge domain | ${dut_node} | | ... | ${bd_id1} | learn=${TRUE} | | And Add interface to bridge domain | ${dut_node} | ${dut_to_tg_if1} | | ... | ${bd_id1} | | And Add interface to bridge domain | ${dut_node} | ${int1} | | ... | ${bd_id1} | ${shg1} | | And Add interface to bridge domain | ${dut_node} | ${int2} | | ... | ${bd_id1} | ${shg2} | | Then Send ICMP echo request and verify answer | ${tg_node} | ${tg_to_dut_if1} | | ... | ${tap1_NM_mac} | ${tg_to_dut_if1_mac} | | ... | ${tap1_NM_ip} | ${tg_ip_address_SHG} | | And Send ICMP echo request and verify answer | ${tg_node} | ${tg_to_dut_if1} | | ... | ${tap2_NM_mac} | ${tg_to_dut_if1_mac} | | ... | ${tap2_NM_SHG} | ${tg_ip_address_SHG} | | And Send Ping From Node To Dst | ${dut_node} | ${tap1_NM_ip} | namespace=${namespace2} | | And Send Ping From Node To Dst | ${dut_node} | ${tap2_NM_SHG} | namespace=${namespace1} | TC02: Tap Interface BD - Same Split Horizon | | [Documentation] | | ... | [Top] TG-DUT1-TG. | | ... | [Enc] Eth-IPv4-ICMPv4. | | ... | [Cfg] On DUT1 | | ... | configure one if into L2BD with MAC learning. Add two TAP interfaces | | ... | into this L2BD and assign them same SHG. Setup two namespaces | | ... | and assign two linux-TAP interfaces to it respectively. | | ... | [Ver] Packet is sent from TG to both linux-TAP interfaces and reply | | ... | is checked. Ping from First linux-TAP to another should fail. | | 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} | | ${int2}= | And Add Tap Interface | ${dut_node} | ${tap_int2} | | And Set Interface State | ${dut_node} | ${int1} | up | | And Set Interface State | ${dut_node} | ${int2} | up | | When Create Namespace | ${dut_node} | ${namespace1} | | And Attach Interface To Namespace | ${dut_node} | | ... | ${namespace1} | ${tap_int1} | | And Create Namespace | ${dut_node} | ${namespace2} | | And Attach Interface To Namespace | ${dut_node} | | ... | ${namespace2} | ${tap_int2} | | And Set Linux Interface IP | ${dut_node} | ${tap_int1} | | ... | ${tap1_NM_ip} | ${prefix} | ${namespace1} | | And Set Linux Interface IP | ${dut_node} | ${tap_int2} | | ... | ${tap2_NM_SHG} | ${prefix} | ${namespace2} | | And Set Linux Interface MAC | ${dut_node} | | ... | ${tap_int1} | ${tap1_NM_mac} | ${namespace1} | | And Set Linux Interface MAC | ${dut_node} | | ... | ${tap_int2} | ${tap2_NM_mac} | ${namespace2} | | And Set Linux Interface ARP | ${dut_node} | ${tap_int1} | | ... | ${tg_ip_address_SHG} | ${tg_to_dut_if1_mac} | ${namespace1} | | And Set Linux Interface ARP | ${dut_node} | ${tap_int2} | | ... | ${tg_ip_address_SHG} | ${tg_to_dut_if1_mac} | ${namespace2} | | And Create bridge domain | ${dut_node} | | ... | ${bd_id1} | learn=${TRUE} | | And Add interface to bridge domain | ${dut_node} | ${dut_to_tg_if1} | | ... | ${bd_id1} | | And Add interface to bridge domain | ${dut_node} | ${int1} | | ... | ${bd_id1} | ${shg1} | | And Add interface to bridge domain | ${dut_node} | ${int2} | | ... | ${bd_id1} | ${shg1} | | Then Send ICMP echo request and verify answer | ${tg_node} | ${tg_to_dut_if1} | | ... | ${tap1_NM_mac} | ${tg_to_dut_if1_mac} | | ... | ${tap1_NM_ip} | ${tg_ip_address_SHG} | | And Send ICMP echo request and verify answer | ${tg_node} | ${tg_to_dut_if1} | | ... | ${tap2_NM_mac} | ${tg_to_dut_if1_mac} | | ... | ${tap2_NM_SHG} | ${tg_ip_address_SHG} | | And Run Keyword And Expect Error | Ping Not Successful | Send Ping From Node To Dst | | ... | ${dut_node} | ${tap2_NM_SHG} | namespace=${namespace1} | | And Run Keyword And Expect Error | Ping Not Successful | Send Ping From Node To Dst | | ... | ${dut_node} | ${tap1_NM_ip} | namespace=${namespace2}