tests/func/softwire/lightweight_4over6.robot

   1 # Copyright (c) 2016 Cisco and/or its affiliates.
   2 # Licensed under the Apache License, Version 2.0 (the "License");
   3 # you may not use this file except in compliance with the License.
   4 # You may obtain a copy of the License at:
   5 #
   6 #     http://www.apache.org/licenses/LICENSE-2.0
   7 #
   8 # Unless required by applicable law or agreed to in writing, software
   9 # distributed under the License is distributed on an "AS IS" BASIS,
  10 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  11 # See the License for the specific language governing permissions and
  12 # limitations under the License.
  13
  14 *** Settings ***
  15 | Resource | resources/libraries/robot/default.robot
  16 | Resource | resources/libraries/robot/testing_path.robot
  17 | Resource | resources/libraries/robot/ipv4.robot
  18 | Resource | resources/libraries/robot/ipv6.robot
  19 | Resource | resources/libraries/robot/map.robot
  20 | Library  | resources.libraries.python.Trace
  21 | Force Tags | HW_ENV | VM_ENV | 3_NODE_DOUBLE_LINK_TOPO
  22 | Test Setup | Run Keywords | Setup all DUTs before test
  23 | ...        | AND          | Setup all TGs before traffic script
  24 | Test Teardown | Show Packet Trace on All DUTs | ${nodes}
  25 | Documentation | *Lightweight 4 over 6 test cases*
  26 | ...
  27 | ... | LW4o6 is a subset of MAP-E, with per-subscriber rules. It uses the
  28 | ... | same tunneling mechanism and configuration as MAP-E. It does not use
  29 | ... | embedded address bits.
  30 | ...
  31 | ... | *[Top] Network Topologies:* TG=DUT1 2-node topology with two links
  32 | ... | between nodes.
  33 | ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP on TG_if1-DUT,
  34 | ... | Eth-IPv6-IPv4-UDP on TG_if2_DUT.
  35 | ... | *[Cfg] DUT configuration:* DUT1 is configured as lwAFTR.
  36 | ... | *[Ver] TG verification:* Test UDP ICMP Echo Request in IPv4 are
  37 | ... | sent to lwAFTR and are verified by TG for correctness their
  38 | ... | encapsulation in IPv6 src-addr, dst-addr and MAC addresses.
  39 | ... | *[Ref] Applicable standard specifications:* RFC7596 RFC7597.
  40
  41 *** Variables ***
  42 | ${dut_ip4}= | 10.0.0.1
  43 | ${dut_ip6}= | 2001:0::1
  44 | ${tg_ip6}= | 2001:0::2
  45 | ${ipv4_prefix_len}= | 24
  46 | ${ipv6_prefix_len}= | 64
  47
  48 | ${lw_ipv4_pfx}= | 20.0.0.1/32
  49 | ${lw_ipv6_pfx}= | 2001:1::/64
  50 | ${lw_ipv6_src}= | 2001:1::1
  51 | ${lw_psid_length}= | ${8}
  52 | ${lw_psid_offset}= | ${6}
  53 | ${lw_rule_psid}= | ${52}
  54 | ${lw_rule_ipv6_dst}= | 2001:1::2
  55 | ${lw_rule_2_psid}= | ${22}
  56 | ${lw_rule_2_ipv6_dst}= | 2001:1::3
  57 | ${test_ipv4_inside}= | 20.0.0.1
  58 | ${test_ipv4_outside}= | 10.0.0.100
  59 # test_port depends on psid, length, offset
  60 | ${test_port}= | ${1232}
  61 | ${test_icmp_id}= | ${1232}
  62 | ${test_2_port}= | ${6232}
  63
  64 *** Test Cases ***
  65 | TC01: Encapsulate IPv4 into IPv6. IPv6 dst depends on IPv4 and UDP destination
  66 | | [Documentation]
  67 | | ... | [Top] TG=DUT1.
  68 | | ... | [Enc] Eth-IPv4-UDP on TG_if1-DUT, Eth-IPv6-IPv4-UDP on TG_if2_DUT.
  69 | | ... | [Cfg] On DUT1 configure Map domain and Map rule.
  70 | | ... | [Ver] Make TG send non-encapsulated UDP to DUT; verify TG received
  71 | | ... |       IPv4oIPv6 encapsulated packet is correct.
  72 | | ... | [Ref] RFC7596 RFC7597
  73 | | ...
  74 | | Given Path for 2-node testing is set
  75 | |       ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']}
  76 | | And   Interfaces in 2-node path are up
  77 | | And   IP addresses are set on interfaces
  78 | |       ... | ${dut_node} | ${dut_to_tg_if1} | ${dut_ip4} | ${ipv4_prefix_len}
  79 | |       ... | ${dut_node} | ${dut_to_tg_if2} | ${dut_ip6} | ${ipv6_prefix_len}
  80 | | And   Add IP Neighbor
  81 | |       ... | ${dut_node} | ${dut_to_tg_if2} | ${tg_ip6}
  82 | |       ... | ${tg_to_dut_if2_mac}
  83 | | And Vpp Route Add
  84 | |       ... | ${dut_node} | ${lw_rule_ipv6_dst} | 128
  85 | |       ... | ${tg_ip6} | ${dut_to_tg_if2} | resolve_attempts=${NONE}
  86 | | ${domain_index}=
  87 | | ... | When Map Add Domain
  88 | |            ... | ${dut_node} | ${lw_ipv4_pfx} | ${lw_ipv6_pfx}
  89 | |            ... | ${lw_ipv6_src} | 0 | ${lw_psid_offset}
  90 | |            ... | ${lw_psid_length}
  91 | |       And  Map Add Rule
  92 | |            ... | ${dut_node} | ${domain_index} | ${lw_rule_psid}
  93 | |            ... | ${lw_rule_ipv6_dst}
  94 | | Then Send IPv4 UDP and check headers for lightweight 4over6
  95 | |      ... | ${tg_node} | ${tg_to_dut_if1} | ${tg_to_dut_if2}
  96 | |      ... | ${dut_to_tg_if1_mac} | ${test_ipv4_inside} | ${test_ipv4_outside}
  97 | |      ... | ${test_port} | ${tg_to_dut_if2_mac} | ${dut_to_tg_if2_mac}
  98 | |      ... | ${lw_rule_ipv6_dst} | ${lw_ipv6_src}
  99
 100 TC02: Encapsulate IPv4 ICMP into IPv6. IPv6 dst depends on IPv4 addr and ICMP ID
 101 | | [Documentation]
 102 | | ... | [Top] TG=DUT1.
 103 | | ... | [Enc] Eth-IPv4-ICMP(type 0 and 8) on TG_if1-DUT, Eth-IPv6-IPv4-ICMP
 104 | | ... |       on TG_if2_DUT.
 105 | | ... | [Cfg] On DUT1 configure Map domain and Map rule.
 106 | | ... | [Ver] Make TG send non-encapsulated ICMP to DUT; verify TG received
 107 | | ... |       IPv4oIPv6 encapsulated packet is correct. Checks IPv6
 108 | | ... |       destination based on ICMP Identifier field.
 109 | | ... | [Ref] RFC7596 section 8.1
 110 | | ...
 111 | | Given Path for 2-node testing is set
 112 | |       ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']}
 113 | | And   Interfaces in 2-node path are up
 114 | | And   IP addresses are set on interfaces
 115 | |       ... | ${dut_node} | ${dut_to_tg_if1} | ${dut_ip4} | ${ipv4_prefix_len}
 116 | |       ... | ${dut_node} | ${dut_to_tg_if2} | ${dut_ip6} | ${ipv6_prefix_len}
 117 | | And   Add IP Neighbor
 118 | |       ... | ${dut_node} | ${dut_to_tg_if2} | ${tg_ip6}
 119 | |       ... | ${tg_to_dut_if2_mac}
 120 | | And Vpp Route Add
 121 | |       ... | ${dut_node} | ${lw_rule_ipv6_dst} | 128
 122 | |       ... | ${tg_ip6} | ${dut_to_tg_if2} | resolve_attempts=${NONE}
 123 | | ${domain_index}=
 124 | | ... | When Map Add Domain
 125 | |            ... | ${dut_node} | ${lw_ipv4_pfx} | ${lw_ipv6_pfx}
 126 | |            ... | ${lw_ipv6_src} | 0 | ${lw_psid_offset}
 127 | |            ... | ${lw_psid_length}
 128 | |       And  Map Add Rule
 129 | |            ... | ${dut_node} | ${domain_index} | ${lw_rule_psid}
 130 | |            ... | ${lw_rule_ipv6_dst}
 131 | | Then Send IPv4 ICMP and check headers for lightweight 4over6
 132 | |      ... | ${tg_node} | ${tg_to_dut_if1} | ${tg_to_dut_if2}
 133 | |      ... | ${dut_to_tg_if1_mac} | ${test_ipv4_inside} | ${test_ipv4_outside}
 134 | |      ... | ${test_icmp_id} | ${tg_to_dut_if2_mac} | ${dut_to_tg_if2_mac}
 135 | |      ... | ${lw_rule_ipv6_dst} | ${lw_ipv6_src}
 136
 137 TC03: Decapsulate IPv4 UDP from IPv6.
 138 | | [Documentation]
 139 | | ... | [Top] TG=DUT1.
 140 | | ... | [Enc] Eth-IPv6-IPv4-UDP on TG_if2_DUT, Eth-IPv4-UDP on TG_if1-DUT.
 141 | | ... | [Cfg] On DUT1 configure Map domain and Map rule.
 142 | | ... | [Ver] Make TG send encapsulated UDP to DUT; verify TG received
 143 | | ... |       IPv4 non-encapsulated packet is correct.
 144 | | ... | [Ref] RFC7596 RFC7597
 145 | | ...
 146 | | Given Path for 2-node testing is set
 147 | |       ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']}
 148 | | And   Interfaces in 2-node path are up
 149 | | And   IP addresses are set on interfaces
 150 | |       ... | ${dut_node} | ${dut_to_tg_if1} | ${dut_ip4} | ${ipv4_prefix_len}
 151 | |       ... | ${dut_node} | ${dut_to_tg_if2} | ${dut_ip6} | ${ipv6_prefix_len}
 152 | | And   Add Arp on DUT
 153 | |       ... | ${dut_node} | ${dut_to_tg_if1}
 154 | |       ... | ${test_ipv4_outside}
 155 | |       ... | ${tg_to_dut_if1_mac}
 156 | | ${domain_index}=
 157 | | ... | When Map Add Domain
 158 | |            ... | ${dut_node} | ${lw_ipv4_pfx} | ${lw_ipv6_pfx}
 159 | |            ... | ${lw_ipv6_src} | 0 | ${lw_psid_offset}
 160 | |            ... | ${lw_psid_length}
 161 | |       And  Map Add Rule
 162 | |            ... | ${dut_node} | ${domain_index} | ${lw_rule_psid}
 163 | |            ... | ${lw_rule_ipv6_dst}
 164 | | Then Send IPv4 UDP in IPv6 and check headers for lightweight 4over6
 165 | |      ... | ${tg_node} | ${tg_to_dut_if2} | ${tg_to_dut_if1}
 166 | |      ... | ${dut_to_tg_if2_mac} | ${tg_to_dut_if2_mac}
 167 | |      ... | ${lw_ipv6_src} | ${lw_rule_ipv6_dst}
 168 | |      ... | ${test_ipv4_outside} | ${test_ipv4_inside} | ${test_port}
 169 | |      ... | ${tg_to_dut_if1_mac} | ${dut_to_tg_if1_mac}
 170
 171 TC04: Hairpinning of traffic between two lwB4
 172 | | [Documentation]
 173 | | ... | [Top] DUT1-TG.
 174 | | ... | [Enc] Eth-IPv6-IPv4-UDP on TG_if2_DUT, Eth-IPv6-IPv4-UDP on TG_if2_DUT.
 175 | | ... | [Cfg] On DUT1 configure Map domain and two Map rules.
 176 | | ... | [Ver] Make TG send encapsulated UDP to DUT; verify TG received
 177 | | ... |       encapsulated packet is correct.
 178 | | ... | [Ref] RFC7596 RFC7597
 179 | | ...
 180 | | Given Path for 2-node testing is set
 181 | |       ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']}
 182 | | And   Interfaces in 2-node path are up
 183 | | And   IP addresses are set on interfaces
 184 | |       ... | ${dut_node} | ${dut_to_tg_if1} | ${dut_ip4} | ${ipv4_prefix_len}
 185 | |       ... | ${dut_node} | ${dut_to_tg_if2} | ${dut_ip6} | ${ipv6_prefix_len}
 186 | | And   Add IP Neighbor
 187 | |       ... | ${dut_node} | ${dut_to_tg_if2} | ${tg_ip6}
 188 | |       ... | ${tg_to_dut_if2_mac}
 189 | | And Vpp Route Add
 190 | |       ... | ${dut_node} | ${lw_rule_2_ipv6_dst} | 128
 191 | |       ... | ${tg_ip6} | ${dut_to_tg_if2} | resolve_attempts=${NONE}
 192 | | ${domain_index}=
 193 | | ... | When Map Add Domain
 194 | |            ... | ${dut_node} | ${lw_ipv4_pfx} | ${lw_ipv6_pfx}
 195 | |            ... | ${lw_ipv6_src} | 0 | ${lw_psid_offset}
 196 | |            ... | ${lw_psid_length}
 197 | |       And  Map Add Rule
 198 | |            ... | ${dut_node} | ${domain_index} | ${lw_rule_psid}
 199 | |            ... | ${lw_rule_ipv6_dst}
 200 | |       And  Map Add Rule
 201 | |            ... | ${dut_node} | ${domain_index} | ${lw_rule_2_psid}
 202 | |            ... | ${lw_rule_2_ipv6_dst}
 203 | | Then Send IPv4 UDP in IPv6 and check headers for lightweight hairpinning
 204 | |      ... | ${tg_node} | ${tg_to_dut_if2} | ${tg_to_dut_if2}
 205 | |      ... | ${dut_to_tg_if2_mac}
 206 | |      ... | ${lw_ipv6_src} | ${lw_rule_ipv6_dst}
 207 | |      ... | ${test_ipv4_inside} | ${test_ipv4_inside}
 208 | |      ... | ${test_2_port} | ${test_port}
 209 | |      ... | ${tg_to_dut_if2_mac} | ${dut_to_tg_if2_mac}
 210 | |      ... | ${lw_rule_2_ipv6_dst} | ${lw_ipv6_src}