# 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/ip/ip4.robot | Resource | resources/libraries/robot/ip/ip6.robot | Resource | resources/libraries/robot/shared/interfaces.robot | Resource | resources/libraries/robot/l2/l2_bridge_domain.robot | Resource | resources/libraries/robot/shared/testing_path.robot | Resource | resources/libraries/robot/shared/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 | Set up TAP functional test | ... | Test Teardown | Tear down TAP functional test with Linux bridge | ${bid_TAP} | ... | 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 *** | ${bid_from_TG}= | 19 | ${bid_to_TG}= | 20 | ${bid_TAP}= | tapBr | ${tap_int1}= | tap_int1 | ${tap_int2}= | tap_int2 *** Test Cases *** | TC01: Tap Interface Simple BD | | [Documentation] | | ... | [Top] TG-DUT1-TG. | | ... | [Enc] Eth-IPv4-ICMPv4. | | ... | [Cfg] On DUT1 configure two L2BD with two if's for each L2BD with MAC\ | | ... | learning and one L2BD joining two linux-TAP interfaces created by VPP\ | | ... | located in namespace. | | ... | [Ver] Packet sent from TG is passed through all L2BD and received\ | | ... | back on TG. Then src_ip, dst_ip and MAC are checked. | | ... | | 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 | | And Create bridge domain | ${dut_node} | | ... | ${bid_from_TG} | learn=${TRUE} | | And Create bridge domain | ${dut_node} | | ... | ${bid_to_TG} | learn=${TRUE} | | And Linux Add Bridge | ${dut_node} | | ... | ${bid_TAP} | ${tap_int1} | ${tap_int2} | | And Add interface to bridge domain | ${dut_node} | | ... | ${int1} | ${bid_to_TG} | 0 | | And Add interface to bridge domain | ${dut_node} | | ... | ${dut_to_tg_if1} | ${bid_to_TG} | 0 | | And Add interface to bridge domain | ${dut_node} | | ... | ${int2} | ${bid_from_TG} | 0 | | And Add interface to bridge domain | ${dut_node} | | ... | ${dut_to_tg_if2} | ${bid_from_TG} | 0 | | Then Send ICMP packet and verify received packet | ${tg_node} | | ... | ${tg_to_dut_if1} | ${tg_to_dut_if2}