# Copyright (c) 2019 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.IPUtil | Library | resources.libraries.python.Trace | ... | Resource | resources/libraries/robot/ip/ip4.robot | Resource | resources/libraries/robot/ip/ip6.robot | Resource | resources/libraries/robot/ip/map.robot | Resource | resources/libraries/robot/shared/default.robot | Resource | resources/libraries/robot/shared/testing_path.robot | ... | Force Tags | HW_ENV | VM_ENV | 3_NODE_DOUBLE_LINK_TOPO | SOFTWIRE | ... | Test Setup | Run Keywords | Set up functional test | ... | AND | Set interfaces IP addresses and routes | ... | Test Teardown | Tear down functional test | ... | Documentation | *Test for Basic mapping rule for MAP-T*\ | ... | *[Top] Network Topologies:* TG - DUT1 - TG with two links between the | ... | nodes. | ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP on TG-to-DUT-if1. | ... | Eth-IPv6-UDP on TG-to-DUT-if2. | ... | *[Cfg] DUT configuration:* DUT is configured with IPv4 on one DUT-to-TG | ... | interface and IPv6 address on second DUT-to-TG interface. MAP-T domain | ... | is configured in test template based on test parameters. | ... | *[Ver] TG verification:* UDP packets in IPv4 are sent by TG to | ... | destination in MAP domain. IPv6 packets with translated IPv4 addresses | ... | are received on TG interface. | ... | *[Ref] Applicable standard specifications:* RFC7599 *** Variables *** | ${dut_ip4}= | 10.0.0.1 | ${dut_ip6}= | 2001:0::1 | ${dut_ip4_gw}= | 10.0.0.2 | ${dut_ip6_gw}= | 2001:0::2 | ${ipv4_prefix_len}= | 24 | ${ipv6_prefix_len}= | 64 | ${ipv6_br_src}= | 2001:db8:ffff::/96 *** Test Cases *** | TC01: MAP-T test | | [Documentation] | | | ... | Test to check map-t address translation. | | ... | | ... | Arguments: | | ... | | ... | - ipv4_pfx | | ... | - ipv6_dst_pfx | | ... | - ipv6_src_pfx | | ... | - ea_bit_len | | ... | - psid_offset | | ... | - psid_len | | ... | - ipv4_src | | ... | - ipv4_dst | | ... | - dst_port | | ... | | [Template] | Check MAP-T configuration with traffic script # |===================|===============|================|============|=============|==========|===========|================|==========| # | ipv4_pfx | ipv6_dst_pfx | ipv6_src_pfx | ea_bit_len | psid_offset | psid_len | ipv4_src | ipv4_dst | dst_port | # |===================|===============|================|============|=============|==========|===========|================|==========| | | 20.169.0.0/16 | 2001::/16 | ${ipv6_br_src} | ${40} | ${0} | ${0} | 100.0.0.1 | 20.169.201.219 | ${1232} | | | 20.169.201.219/32 | 2001:db8::/32 | ${ipv6_br_src} | ${0} | ${0} | ${0} | 100.0.0.1 | 20.169.201.219 | ${1232} | | | 20.0.0.0/8 | 2001:db8::/40 | ${ipv6_br_src} | ${24} | ${0} | ${0} | 100.0.0.1 | 20.169.201.219 | ${1232} | #| | 20.169.201.0/32 | 2001:db8::/32 | ${ipv6_br_src} | ${0} | ${6} | ${8} | 100.0.0.1 | 20.169.201.219 | ${1232} | #| | 20.169.201.0/24 | 2001:db8::/32 | ${ipv6_br_src} | ${0} | ${6} | ${8} | 100.0.0.1 | 20.169.201.219 | ${1232} | *** Keywords *** | Set interfaces IP addresses and routes | | Configure path in 2-node circular topology | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']} | | Set interfaces in 2-node circular topology up | | Configure IP addresses on interfaces | | ... | ${dut_node} | ${dut_to_tg_if1} | ${dut_ip4} | ${ipv4_prefix_len} | | ... | ${dut_node} | ${dut_to_tg_if2} | ${dut_ip6} | ${ipv6_prefix_len} | | Vpp Route Add | ${dut_node} | :: | 0 | gateway=${dut_ip6_gw} | | ... | interface=${dut_to_tg_if2} | | VPP Add IP neighbor | | ... | ${dut_node} | ${dut_to_tg_if2} | ${dut_ip6_gw} | ${tg_to_dut_if2_mac} | | Vpp Route Add | ${dut_node} | 0.0.0.0 | 0 | gateway=${dut_ip4_gw} | | ... | interface=${dut_to_tg_if1} | | VPP Add IP neighbor | | ... | ${dut_node} | ${dut_to_tg_if1} | ${dut_ip4_gw} | ${tg_to_dut_if1_mac} | Check MAP-T configuration with traffic script | | [Documentation] | | | ... | Used as a test case template.\ | | ... | Configure MAP-T domain with given parameters, with traffic script send | | ... | UDP in IPv4 packet to given UDP destination port and IP destination | | ... | address and check if correctly received IPv6 packet with translated | | ... | source and destination addresses. Vice versa send IPv6 packet and | | ... | check if received IPv4 packet with correct source and destination | | ... | addresses. | | ... | The MAP domain is deleted in teardown. | | [Arguments] | ${ipv4_pfx} | ${ipv6_dst_pfx} | ${ipv6_src_pfx} | | ... | ${ea_bit_len} | ${psid_offset} | ${psid_len} | | ... | ${ipv4_outside} | ${ipv4_inside} | ${dst_port} | | ${domain_index}= | Map Add Domain | ${dut_node} | ${ipv4_pfx} | | ... | ${ipv6_dst_pfx} | ${ipv6_src_pfx} | ${ea_bit_len} | ${psid_offset} | | ... | ${psid_len} | ${TRUE} | | ${ipv6_ce_addr}= | Compute IPv6 map destination address | | ... | ${ipv4_pfx} | ${ipv6_dst_pfx} | ${ea_bit_len} | ${psid_offset} | | ... | ${psid_len} | ${ipv4_inside} | ${dst_port} | | ${ipv6_br_addr}= | Compute IPv6 map source address | | ... | ${ipv6_src_pfx} | ${ipv4_outside} # Check translation from v4 to v6 with traffic script | | Send IPv4 UDP and check IPv6 headers for MAP-T | | ... | ${tg_node} | ${tg_to_dut_if1} | ${tg_to_dut_if2} | | ... | ${dut_to_tg_if1_mac} | ${ipv4_inside} | ${ipv4_outside} | ${dst_port} | | ... | ${tg_to_dut_if2_mac} | ${dut_to_tg_if2_mac} | | ... | ${ipv6_ce_addr} | ${ipv6_br_addr} # Check translation from v6 to v4 with traffic script | | Send IPv6 UDP and check IPv4 headers for MAP-T | | ... | ${tg_node} | ${tg_to_dut_if2} | ${tg_to_dut_if1} | | ... | ${dut_to_tg_if2_mac} | ${tg_to_dut_if2_mac} | | ... | ${ipv6_br_addr} | ${ipv6_ce_addr} | | ... | ${dst_port} | | ... | ${tg_to_dut_if1_mac} | ${dut_to_tg_if1_mac} | | ... | ${ipv4_outside} | ${ipv4_inside} | | [Teardown] | Run Keywords | | ... | Map Del Domain | ${dut_node} | ${domain_index} | AND | | ... | Show packet trace on all DUTs | ${nodes} | AND | | ... | Clear packet trace on all DUTs | ${nodes} | AND | | ... | Verify VPP PID in Teardown