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# 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.topology.Topology
| Library | resources.libraries.python.NodePath
| Library | resources.libraries.python.Trace
| Library | resources.libraries.python.IPUtil
| Library | resources.libraries.python.VPPUtil
| Library | resources.libraries.python.InterfaceUtil
| Library | resources.libraries.python.VhostUser
| Resource | resources/libraries/robot/traffic.robot
| Resource | resources/libraries/robot/default.robot
| Resource | resources/libraries/robot/interfaces.robot
| Resource | resources/libraries/robot/testing_path.robot
| Resource | resources/libraries/robot/ipv4.robot
| Resource | resources/libraries/robot/vrf.robot
| Resource | resources/libraries/robot/qemu.robot
| Resource | resources/libraries/robot/bridge_domain.robot
| Resource | resources/libraries/robot/lisp/lispgpe.robot
# Import configuration and test data:
| Variables | resources/test_data/lisp/ipv4_lispgpe_ipv4/ipv4_lispgpe_ipv4.py
| ...
| Force Tags | 3_NODE_SINGLE_LINK_TOPO | VM_ENV | LISP
| ...
| Test Setup | Func Test Setup
| Test Teardown | Run Keywords | Show Packet Trace on All DUTs | ${nodes}
| ... | AND | Show VAT History On All DUTs | ${nodes}
| ... | AND | Show Vpp Settings | ${nodes['DUT1']}
| ... | AND | Show Vpp Settings | ${nodes['DUT2']}
| ... | AND | Stop and Clear QEMU | ${nodes['DUT1']} | ${vm_node}
| ... | AND | Check VPP PID in Teardown
| ...
| Documentation | *ip4-lispgpe-ip4 encapsulation test cases*
| ...
| ... | *[Top] Network Topologies:* TG-DUT1-DUT2-TG 3-node circular topology\
| ... | with single links between nodes.
| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-LISP-IPv4-ICMPv4 on DUT1-DUT2,\
| ... | Eth-IPv4-ICMPv4 on TG-DUTn for IPv4 routing over LISPoIPv4 tunnel.
| ... | *[Cfg] DUT configuration:* DUT1 and DUT2 are configured with IPv4\
| ... | routing and static routes. LISPoIPv4 tunnel is configured between\
| ... | DUT1 and DUT2.
| ... | *[Ver] TG verification:* Test ICMPv4 Echo Request packets are sent in\
| ... | both directions by TG on links to DUT1 and DUT2; on receive\
| ... | TG verifies packets for correctness and their IPv4 src-addr, dst-addr\
| ... | and MAC addresses.
| ... | *[Ref] Applicable standard specifications:* RFC6830.
*** Test Cases ***
| TC01: DUT1 and DUT2 route IPv4 bidirectionally over LISP GPE tunnel using vhost interfaces and VRF is enabled
| | [Documentation]
| | ... | [Top] TG-DUT1-DUT2-TG.
| | ... | [Enc] Eth-IPv4-LISPGPE-IPv4-ICMPv4 on DUT1-DUT2, Eth-IPv4-ICMPv4 on\
| | ... | TG-DUTn.
| | ... | [Cfg] Configure IPv4 LISP static adjacencies on DUT1 and DUT2.
| | ... | [Ver] Case: ip4-lispgpe-ip4 - vrf, virt2lisp
| | ... | Make TG send ICMPv4 Echo Req between its interfaces across both\
| | ... | DUTs and LISP GPE tunnel between them; verify IPv4 headers on\
| | ... | received packets are correct.
| | ... | [Ref] RFC6830.
| | ...
| | Given Path for 3-node testing is set
| | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['DUT2']} | ${nodes['TG']}
| | And Interfaces in 3-node path are up
| | And Assign Interface To Fib Table | ${dut1_node}
| | ... | ${dut1_to_tg} | ${fib_table_1}
| | And Assign Interface To Fib Table | ${dut2_node}
| | ... | ${dut2_to_tg} | ${fib_table_1}
| | And Add IP Neighbors | ${fib_table_1}
| | And IP addresses are set on interfaces
| | ... | ${dut1_node} | ${dut1_to_dut2} | ${dut1_to_dut2_ip4} | ${prefix4}
| | ... | ${dut1_node} | ${dut1_to_tg} | ${dut1_to_tg_ip4} | ${prefix4}
| | ... | ${dut2_node} | ${dut2_to_dut1} | ${dut2_to_dut1_ip4} | ${prefix4}
| | ... | ${dut2_node} | ${dut2_to_tg} | ${dut2_to_tg_ip4} | ${prefix4}
| | When Set up LISP GPE topology
| | ... | ${dut1_node} | ${dut1_to_dut2} | ${NONE}
| | ... | ${dut2_node} | ${dut2_to_dut1} | ${NONE}
| | ... | ${duts_locator_set} | ${dut1_ip4_eid} | ${dut2_ip4_eid}
| | ... | ${dut1_to_dut2_ip4_static_adjacency}
| | ... | ${dut2_to_dut1_ip4_static_adjacency}
| | ... | ${dut1_dut2_vni} | ${fib_table_1}
| | And Setup Qemu DUT1 | ${fib_table_1}
| | Then Send Packet And Check Headers
| | ... | ${tg_node} | ${tg1_ip4} | ${tg2_ip4}
| | ... | ${tg_to_dut1} | ${tg_to_dut1_mac} | ${dst_vhost_mac}
| | ... | ${tg_to_dut2} | ${dut2_to_tg_mac} | ${tg_to_dut2_mac}
| | And Send Packet And Check Headers
| | ... | ${tg_node} | ${tg2_ip4} | ${tg1_ip4}
| | ... | ${tg_to_dut2} | ${tg_to_dut2_mac} | ${dut2_to_tg_mac}
| | ... | ${tg_to_dut1} | ${dut1_to_tg_mac} | ${tg_to_dut1_mac}
*** Keywords ***
| Setup Qemu DUT1
| | [Documentation] | Setup Vhosts on DUT1 and setup IP on one of them. Setup\
| | ... | Qemu and bridge the vhosts. Optionally, you can set fib table ID\
| | ... | where the vhost2 interface should be assigned to.
| | ...
| | [Arguments] | ${fib_table}=0
| | ...
| | ${vhost1}= | Vpp Create Vhost User Interface | ${dut1_node} | ${sock1}
| | ${vhost2}= | Vpp Create Vhost User Interface | ${dut1_node} | ${sock2}
| | Assign Interface To Fib Table | ${dut1_node}
| | ... | ${vhost2} | ${fib_table}
| | Set Interface Address | ${dut1_node} | ${vhost2} | ${vhost_ip} | ${prefix4}
| | Set Interface State | ${dut1_node} | ${vhost1} | up
| | Set Interface State | ${dut1_node} | ${vhost2} | up
| | Bridge domain on DUT node is created | ${dut1_node} | ${bid} | learn=${TRUE}
| | Interface is added to bridge domain | ${dut1_node}
| | ... | ${dut1_to_tg} | ${bid} | 0
| | Interface is added to bridge domain | ${dut1_node}
| | ... | ${vhost1} | ${bid} | 0
| | ${vhost_mac}= | Get Vhost User Mac By SW Index | ${dut1_node} | ${vhost2}
| | Set test variable | ${dst_vhost_mac} | ${vhost_mac}
| | VM for Vhost L2BD forwarding is setup | ${dut1_node} | ${sock1} | ${sock2}
| Add IP Neighbors
| | [Documentation]
| | ... | Add IP neighbors to physical interfaces on DUTs.\
| | ... | You can specify fib table ID for DUT-TG interfaces. Default is 0.
| | ...
| | [Arguments] | ${fib_id}=0
| | Add IP Neighbor | ${dut1_node} | ${dut1_to_tg} | ${tg1_ip4}
| | ... | ${tg_to_dut1_mac} | ${fib_id}
| | Add IP Neighbor | ${dut2_node} | ${dut2_to_tg} | ${tg2_ip4}
| | ... | ${tg_to_dut2_mac} | ${fib_id}
| | Add IP Neighbor | ${dut1_node} | ${dut1_to_dut2} | ${dut2_to_dut1_ip4}
| | ... | ${dut2_to_dut1_mac}
| | Add IP Neighbor | ${dut2_node} | ${dut2_to_dut1} | ${dut1_to_dut2_ip4}
| | ... | ${dut1_to_dut2_mac}
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