tests/vpp/func/ip4_tunnels/softwire/eth2p-ethip4--ethip6ip4-ip4base--ip6base-swirelw46-func.robot

   1 # Copyright (c) 2019 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 | Library | resources.libraries.python.IPUtil
  16 | Library  | resources.libraries.python.Trace
  17 | Resource | resources/libraries/robot/ip/ip4.robot
  18 | Resource | resources/libraries/robot/ip/ip6.robot
  19 | Resource | resources/libraries/robot/ip/map.robot
  20 | ...
  21 | Resource | resources/libraries/robot/shared/default.robot
  22 | Resource | resources/libraries/robot/shared/testing_path.robot
  23 | ...
  24 | Force Tags | HW_ENV | VM_ENV | 3_NODE_DOUBLE_LINK_TOPO | SOFTWIRE
  25 | ...
  26 | Test Setup | Set up functional test
  27 | ...
  28 | Test Teardown | Tear down functional test
  29 | ...
  30 | Documentation | *Lightweight 4 over 6 test cases*
  31 | ...
  32 | ... | LW4o6 is a subset of MAP-E, with per-subscriber rules. It uses the
  33 | ... | same tunneling mechanism and configuration as MAP-E. It does not use
  34 | ... | embedded address bits.
  35 | ...
  36 | ... | *[Top] Network Topologies:* TG=DUT1 2-node topology with two links
  37 | ... | between nodes.
  38 | ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP on TG_if1-DUT,
  39 | ... | Eth-IPv6-IPv4-UDP on TG_if2_DUT.
  40 | ... | *[Cfg] DUT configuration:* DUT1 is configured as lwAFTR.
  41 | ... | *[Ver] TG verification:* Test UDP ICMP Echo Request in IPv4 are
  42 | ... | sent to lwAFTR and are verified by TG for correctness their
  43 | ... | encapsulation in IPv6 src-addr, dst-addr and MAC addresses.
  44 | ... | *[Ref] Applicable standard specifications:* RFC7596 RFC7597.
  45
  46 *** Variables ***
  47 | ${dut_ip4}= | 10.0.0.1
  48 | ${dut_ip6}= | 2001:0::1
  49 | ${tg_ip6}= | 2001:0::2
  50 | ${ipv4_prefix_len}= | 24
  51 | ${ipv6_prefix_len}= | 64
  52
  53 | ${lw_ipv4_pfx}= | 20.0.0.1/32
  54 | ${lw_ipv6_pfx}= | 2001:1::/64
  55 | ${lw_ipv6_src}= | 2001:1::1
  56 | ${lw_psid_length}= | ${8}
  57 | ${lw_psid_offset}= | ${6}
  58 | ${lw_rule_psid}= | ${52}
  59 | ${lw_rule_ipv6_dst}= | 2001:1::2
  60 | ${lw_rule_2_psid}= | ${22}
  61 | ${lw_rule_2_ipv6_dst}= | 2001:1::3
  62 | ${test_ipv4_inside}= | 20.0.0.1
  63 | ${test_ipv4_outside}= | 10.0.0.100
  64 # test_port depends on psid, length, offset
  65 | ${test_port}= | ${1232}
  66 | ${test_icmp_id}= | ${1232}
  67 | ${test_2_port}= | ${6232}
  68
  69 *** Test Cases ***
  70 | TC01: Encapsulate IPv4 into IPv6. IPv6 dst depends on IPv4 and UDP destination
  71 | | [Documentation]
  72 | | ... | [Top] TG=DUT1.
  73 | | ... | [Enc] Eth-IPv4-UDP on TG_if1-DUT, Eth-IPv6-IPv4-UDP on TG_if2_DUT.
  74 | | ... | [Cfg] On DUT1 configure Map domain and Map rule.
  75 | | ... | [Ver] Make TG send non-encapsulated UDP to DUT; verify TG received
  76 | | ... |       IPv4oIPv6 encapsulated packet is correct.
  77 | | ... | [Ref] RFC7596 RFC7597
  78 | | ...
  79 | | Given Configure path in 2-node circular topology
  80 | |       ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']}
  81 | | And   Set interfaces in 2-node circular topology up
  82 | | And   Configure IP addresses on interfaces
  83 | |       ... | ${dut_node} | ${dut_to_tg_if1} | ${dut_ip4} | ${ipv4_prefix_len}
  84 | |       ... | ${dut_node} | ${dut_to_tg_if2} | ${dut_ip6} | ${ipv6_prefix_len}
  85 | | And   VPP Add IP Neighbor
  86 | |       ... | ${dut_node} | ${dut_to_tg_if2} | ${tg_ip6}
  87 | |       ... | ${tg_to_dut_if2_mac}
  88 | | And Vpp Route Add
  89 | |       ... | ${dut_node} | ${lw_rule_ipv6_dst} | 128
  90 | |       ... | gateway=${tg_ip6} | interface=${dut_to_tg_if2}
  91 | | ${domain_index}=
  92 | | ... | When Map Add Domain
  93 | |            ... | ${dut_node} | ${lw_ipv4_pfx} | ${lw_ipv6_pfx}
  94 | |            ... | ${lw_ipv6_src} | 0 | ${lw_psid_offset}
  95 | |            ... | ${lw_psid_length}
  96 | |       And  Map Add Rule
  97 | |            ... | ${dut_node} | ${domain_index} | ${lw_rule_psid}
  98 | |            ... | ${lw_rule_ipv6_dst}
  99 | | Then Send IPv4 UDP and check headers for lightweight 4over6
 100 | |      ... | ${tg_node} | ${tg_to_dut_if1} | ${tg_to_dut_if2}
 101 | |      ... | ${dut_to_tg_if1_mac} | ${test_ipv4_inside} | ${test_ipv4_outside}
 102 | |      ... | ${test_port} | ${tg_to_dut_if2_mac} | ${dut_to_tg_if2_mac}
 103 | |      ... | ${lw_rule_ipv6_dst} | ${lw_ipv6_src}
 104
 105 TC02: Encapsulate IPv4 ICMP into IPv6. IPv6 dst depends on IPv4 addr and ICMP ID
 106 | | [Documentation]
 107 | | ... | [Top] TG=DUT1.
 108 | | ... | [Enc] Eth-IPv4-ICMP(type 0 and 8) on TG_if1-DUT, Eth-IPv6-IPv4-ICMP
 109 | | ... |       on TG_if2_DUT.
 110 | | ... | [Cfg] On DUT1 configure Map domain and Map rule.
 111 | | ... | [Ver] Make TG send non-encapsulated ICMP to DUT; verify TG received
 112 | | ... |       IPv4oIPv6 encapsulated packet is correct. Checks IPv6
 113 | | ... |       destination based on ICMP Identifier field.
 114 | | ... | [Ref] RFC7596 section 8.1
 115 | | ...
 116 | | Given Configure path in 2-node circular topology
 117 | |       ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']}
 118 | | And   Set interfaces in 2-node circular topology up
 119 | | And   Configure IP addresses on interfaces
 120 | |       ... | ${dut_node} | ${dut_to_tg_if1} | ${dut_ip4} | ${ipv4_prefix_len}
 121 | |       ... | ${dut_node} | ${dut_to_tg_if2} | ${dut_ip6} | ${ipv6_prefix_len}
 122 | | And   VPP Add IP Neighbor
 123 | |       ... | ${dut_node} | ${dut_to_tg_if2} | ${tg_ip6}
 124 | |       ... | ${tg_to_dut_if2_mac}
 125 | | And Vpp Route Add
 126 | |       ... | ${dut_node} | ${lw_rule_ipv6_dst} | 128
 127 | |       ... | gateway=${tg_ip6} | interface=${dut_to_tg_if2}
 128 | | ${domain_index}=
 129 | | ... | When Map Add Domain
 130 | |            ... | ${dut_node} | ${lw_ipv4_pfx} | ${lw_ipv6_pfx}
 131 | |            ... | ${lw_ipv6_src} | 0 | ${lw_psid_offset}
 132 | |            ... | ${lw_psid_length}
 133 | |       And  Map Add Rule
 134 | |            ... | ${dut_node} | ${domain_index} | ${lw_rule_psid}
 135 | |            ... | ${lw_rule_ipv6_dst}
 136 | | Then Send IPv4 ICMP and check headers for lightweight 4over6
 137 | |      ... | ${tg_node} | ${tg_to_dut_if1} | ${tg_to_dut_if2}
 138 | |      ... | ${dut_to_tg_if1_mac} | ${test_ipv4_inside} | ${test_ipv4_outside}
 139 | |      ... | ${test_icmp_id} | ${tg_to_dut_if2_mac} | ${dut_to_tg_if2_mac}
 140 | |      ... | ${lw_rule_ipv6_dst} | ${lw_ipv6_src}
 141
 142 TC03: Decapsulate IPv4 UDP from IPv6.
 143 | | [Documentation]
 144 | | ... | [Top] TG=DUT1.
 145 | | ... | [Enc] Eth-IPv6-IPv4-UDP on TG_if2_DUT, Eth-IPv4-UDP on TG_if1-DUT.
 146 | | ... | [Cfg] On DUT1 configure Map domain and Map rule.
 147 | | ... | [Ver] Make TG send encapsulated UDP to DUT; verify TG received
 148 | | ... |       IPv4 non-encapsulated packet is correct.
 149 | | ... | [Ref] RFC7596 RFC7597
 150 | | ...
 151 | | Given Configure path in 2-node circular topology
 152 | |       ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']}
 153 | | And   Set interfaces in 2-node circular topology up
 154 | | And   Configure IP addresses on interfaces
 155 | |       ... | ${dut_node} | ${dut_to_tg_if1} | ${dut_ip4} | ${ipv4_prefix_len}
 156 | |       ... | ${dut_node} | ${dut_to_tg_if2} | ${dut_ip6} | ${ipv6_prefix_len}
 157 | | And   VPP Add IP Neighbor
 158 | |       ... | ${dut_node} | ${dut_to_tg_if1}
 159 | |       ... | ${test_ipv4_outside}
 160 | |       ... | ${tg_to_dut_if1_mac}
 161 | | ${domain_index}=
 162 | | ... | When Map Add Domain
 163 | |            ... | ${dut_node} | ${lw_ipv4_pfx} | ${lw_ipv6_pfx}
 164 | |            ... | ${lw_ipv6_src} | 0 | ${lw_psid_offset}
 165 | |            ... | ${lw_psid_length}
 166 | |       And  Map Add Rule
 167 | |            ... | ${dut_node} | ${domain_index} | ${lw_rule_psid}
 168 | |            ... | ${lw_rule_ipv6_dst}
 169 | | Then Send IPv4 UDP in IPv6 and check headers for lightweight 4over6
 170 | |      ... | ${tg_node} | ${tg_to_dut_if2} | ${tg_to_dut_if1}
 171 | |      ... | ${dut_to_tg_if2_mac} | ${tg_to_dut_if2_mac}
 172 | |      ... | ${lw_ipv6_src} | ${lw_rule_ipv6_dst}
 173 | |      ... | ${test_ipv4_outside} | ${test_ipv4_inside} | ${test_port}
 174 | |      ... | ${tg_to_dut_if1_mac} | ${dut_to_tg_if1_mac}
 175
 176 TC04: Hairpinning of traffic between two lwB4
 177 | | [Documentation]
 178 | | ... | [Top] DUT1-TG.
 179 | | ... | [Enc] Eth-IPv6-IPv4-UDP on TG_if2_DUT, Eth-IPv6-IPv4-UDP on TG_if2_DUT.
 180 | | ... | [Cfg] On DUT1 configure Map domain and two Map rules.
 181 | | ... | [Ver] Make TG send encapsulated UDP to DUT; verify TG received
 182 | | ... |       encapsulated packet is correct.
 183 | | ... | [Ref] RFC7596 RFC7597
 184 | | ...
 185 | | Given Configure path in 2-node circular topology
 186 | |       ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']}
 187 | | And   Set interfaces in 2-node circular topology up
 188 | | And   Configure IP addresses on interfaces
 189 | |       ... | ${dut_node} | ${dut_to_tg_if1} | ${dut_ip4} | ${ipv4_prefix_len}
 190 | |       ... | ${dut_node} | ${dut_to_tg_if2} | ${dut_ip6} | ${ipv6_prefix_len}
 191 | | And   VPP Add IP Neighbor
 192 | |       ... | ${dut_node} | ${dut_to_tg_if2} | ${tg_ip6}
 193 | |       ... | ${tg_to_dut_if2_mac}
 194 | | And Vpp Route Add
 195 | |       ... | ${dut_node} | ${lw_rule_2_ipv6_dst} | 128
 196 | |       ... | gateway=${tg_ip6} | interface=${dut_to_tg_if2}
 197 | | ${domain_index}=
 198 | | ... | When Map Add Domain
 199 | |            ... | ${dut_node} | ${lw_ipv4_pfx} | ${lw_ipv6_pfx}
 200 | |            ... | ${lw_ipv6_src} | 0 | ${lw_psid_offset}
 201 | |            ... | ${lw_psid_length}
 202 | |       And  Map Add Rule
 203 | |            ... | ${dut_node} | ${domain_index} | ${lw_rule_psid}
 204 | |            ... | ${lw_rule_ipv6_dst}
 205 | |       And  Map Add Rule
 206 | |            ... | ${dut_node} | ${domain_index} | ${lw_rule_2_psid}
 207 | |            ... | ${lw_rule_2_ipv6_dst}
 208 | | Then Send IPv4 UDP in IPv6 and check headers for lightweight hairpinning
 209 | |      ... | ${tg_node} | ${tg_to_dut_if2} | ${tg_to_dut_if2}
 210 | |      ... | ${dut_to_tg_if2_mac}
 211 | |      ... | ${lw_ipv6_src} | ${lw_rule_ipv6_dst}
 212 | |      ... | ${test_ipv4_inside} | ${test_ipv4_inside}
 213 | |      ... | ${test_2_port} | ${test_port}
 214 | |      ... | ${tg_to_dut_if2_mac} | ${dut_to_tg_if2_mac}
 215 | |      ... | ${lw_rule_2_ipv6_dst} | ${lw_ipv6_src}