from vpp_interface import VppInterface


class VppVhostInterface(<
# 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/counters.robot
| Resource | resources/libraries/robot/interfaces.robot
| Resource | resources/libraries/robot/testing_path.robot
| Resource | resources/libraries/robot/ipv6.robot
| Resource | resources/libraries/robot/traffic.robot
| Library | resources.libraries.python.Trace

| Force Tags | HW_ENV | VM_ENV | 3_NODE_SINGLE_LINK_TOPO
| Suite Setup | Run Keywords | Setup All TGs Before Traffic Script
| ...         | AND          | Update All Interface Data On All Nodes | ${nodes}
| Test Setup | Setup All DUTs Before Test
| Test Teardown | Run Keywords
| ... | Show Packet Trace On All DUTs | ${nodes} | AND
| ... | Show VPP Trace Dump On All DUTs
| Documentation | *IPv6 Router Advertisement test cases*
| ...
| ... | RFC4861 Neighbor Discovery. Encapsulations: Eth-IPv6-RA on links
| ... | TG-DUT1. IPv6 Router Advertisement tests use 3-node topology TG - DUT1 -
| ... | DUT2 - TG with one link between the nodes. DUT1 and DUT2 are configured
| ... | with IPv6 routing and static routes. TG verifies received RA packets.


*** Variables ***
| ${dut1_to_tg_ip}= | 3ffe:62::1
| ${tg_to_dut1_ip}= | 3ffe:62::2
| ${prefix_length}= | 64
| ${interval}= | 2

*** Test Cases ***
| TC01: DUT transmits RA on IPv6 enabled interface
| | [Documentation]
| | ... | [Top] TG-DUT1-DUT2-TG.
| | ... | [Cfg] On DUT1 configure IPv6 interface on the link to TG.
| | ... | [Ver] Make TG wait for IPv6 Router Advertisement packet to be sent\
| | ... | by DUT1 and verify the received RA packet is correct.
| | [Tags] | EXPECTED_FAILING
| | 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 Vpp Set If Ipv6 Addr | ${dut1_node}
| | ... | ${dut1_to_tg} | ${dut1_to_tg_ip} | ${prefix_length}
| | When Vpp RA Send After Interval | ${dut1_node} | ${dut1_to_tg}
| | Then Receive And Check Router Advertisement Packet
| | ... | ${tg_node} | ${tg_to_dut1} | ${dut1_to_tg_mac}

| TC02: DUT retransmits RA on IPv6 enabled interface after a set interval
| | [Documentation]
| | ... | [Top] TG-DUT1-DUT2-TG.
| | ... | [Cfg] On DUT1 configure IPv6 interface on the link to TG.
| | ... | [Ver] Make TG wait for two IPv6 Router Advertisement packets\
| | ... | to be sent by DUT1 and verify the received RA packets are correct.
| | [Tags] | EXPECTED_FAILING
| | 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 Vpp Set If Ipv6 Addr | ${dut1_node}
| | ... | ${dut1_to_tg} | ${dut1_to_tg_ip} | ${prefix_length}
| | When Vpp RA Send After Interval | ${dut1_node} | ${dut1_to_tg}
| | ... | interval=${interval}
| | :FOR | ${n} | IN RANGE | ${2}
| | | Then Receive And Check Router Advertisement Packet
| | | ... | ${tg_node} | ${tg_to_dut1} | ${dut1_to_tg_mac} | ${interval}

| TC03: DUT responds to Router Solicitation request
| | [Documentation]
| | ... | [Top] TG-DUT1-DUT2-TG.
| | ... | [Cfg] On DUT1 configure IPv6 interface on the link to TG and suppress\
| | ... | sending of Router Advertisement packets periodically.
| | ... | [Ver] Make TG send IPv6 Router Solicitation request to DUT1, listen\
| | ... | for response from DUT1 and verify the received RA packet is correct.
| | [Tags] | EXPECTED_FAILING
| | 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 Vpp Set If Ipv6 Addr | ${dut1_node}
| | ... | ${dut1_to_tg} | ${dut1_to_tg_ip} | ${prefix_length}
| | When VPP RA Suppress Link Layer | ${dut1_node} | ${dut1_to_tg}
| | Then Send Router Solicitation And Check Response
| | ... | ${tg_node} | ${dut1_node} | ${tg_to_dut1} | ${dut1_to_tg}
| | ... | ${tg_to_dut1_ip}

| TC04: DUT responds to Router Solicitation request sent from link local address
| | [Documentation]
| | ... | [Top] TG-DUT1-DUT2-TG.
| | ... | [Cfg] On DUT1 configure IPv6 interface on the link to TG and suppress\
| | ... | sending of Router Advertisement packets periodically.
| | ... | [Ver] Make TG send IPv6 Router Solicitation request to DUT1, listen\
| | ... | for response from DUT1 and verify the received RA packet is correct.
| | [Tags] | EXPECTED_FAILING
| | 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 Vpp Set If Ipv6 Addr | ${dut1_node}
| | ... | ${dut1_to_tg} | ${dut1_to_tg_ip} | ${prefix_length}
| | When VPP RA Suppress Link Layer | ${dut1_node} | ${dut1_to_tg}
| | Then Send Router Solicitation And Check Response
| | ... | ${tg_node} | ${dut1_node} | ${tg_to_dut1} | ${dut1_to_tg}