tests/func/dhcp/eth2p-ethip4-ip4base-ip4dhcpproxy-func.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/dhcp_proxy.robot
  18 | Resource | resources/libraries/robot/ipv4.robot
  19 | Library | resources.libraries.python.Trace
  20 | Force Tags | HW_ENV | VM_ENV | 3_NODE_DOUBLE_LINK_TOPO | SKIP_VPP_PATCH
  21 | Test Setup | Func Test Setup
  22 | Test Teardown | Func Test Teardown
  23 | Documentation | *DHCPv4 proxy test cases*
  24 | ...
  25 | ... | *[Top] Network Topologies:* TG = DUT
  26 | ... |        with two links between the nodes.
  27 | ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP-BOOTP-DHCP
  28 | ... | *[Cfg] DUT configuration:* DUT is configured with DHCPv4 proxy.
  29 | ... | *[Ver] TG verification:* Test DHCPv4 packets are sent
  30 | ... |        on TG on first link to DUT and received on TG on second link.
  31 | ... |        On receive TG verifies if DHCPv4 packets are valid.
  32
  33 *** Variables ***
  34 | ${dut_to_tg_if1_ip}= | 172.16.0.1
  35 | ${dut_to_tg_if2_ip}= | 192.168.0.1
  36 | ${dhcp_server_ip}= | 192.168.0.100
  37 | ${client_ip}= | 172.16.0.2
  38 | ${prefix_length}= | 24
  39
  40 | ${discover_src_ip}= | 0.0.0.0
  41 | ${valid_discover_dst_ip}= | 255.255.255.255
  42 | ${invalid_discover_dst_ip}= | 255.255.255.1
  43
  44 *** Test Cases ***
  45 | TC01: VPP proxies valid DHCPv4 request to DHCPv4 server
  46 | | [Documentation] |
  47 | | ... | [Top] TG=DUT \
  48 | | ... | [Enc] Eth-IPv4-UDP-BOOTP-DHCP
  49 | | ... | [Cfg] On DUT setup DHCPv4 proxy.
  50 | | ... | [Ver] Make TG verify matching DHCPv4 packets between client and DHCPv4
  51 | | ... | server through DHCP proxy.
  52 | | ...
  53 | | Given Path for 2-node testing is set
  54 | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']}
  55 | | And Interfaces in 2-node path are up
  56 | | And VPP Route Add | ${dut_node} | 255.255.255.255 | 32 | ${NONE} | local
  57 | | ... | ${FALSE} | ${NONE}
  58 | | And Set Interface Address | ${dut_node}
  59 | | ... | ${dut_to_tg_if1} | ${dut_to_tg_if1_ip} | ${prefix_length}
  60 | | And Set Interface Address | ${dut_node}
  61 | | ... | ${dut_to_tg_if2} | ${dut_to_tg_if2_ip} | ${prefix_length}
  62 | | And Add Arp On Dut | ${dut_node} | ${dut_to_tg_if2} | ${dhcp_server_ip}
  63 | | ... | ${tg_to_dut_if2_mac}
  64 | | When DHCP Proxy Config | ${dut_node} | ${dhcp_server_ip}
  65 | | ... | ${dut_to_tg_if1_ip}
  66 | | Then Send DHCP Messages | ${tg_node} | ${tg_to_dut_if1} | ${tg_to_dut_if2}
  67 | | ... | ${dhcp_server_ip} | ${tg_to_dut_if2_mac} | ${client_ip}
  68 | | ... | ${tg_to_dut_if1_mac} | ${dut_to_tg_if1_ip}
  69
  70 | TC02: VPP proxy ignores invalid DHCPv4 request
  71 | | [Documentation] |
  72 | | ... | [Top] TG=DUT \
  73 | | ... | [Enc] Eth-IPv4-UDP-BOOTP-DHCP
  74 | | ... | [Cfg] On DUT setup DHCPv4 proxy.
  75 | | ... | [Ver] Make TG verify matching invalid DHCPv4 packets are dropped.
  76 | | ...
  77 | | Given Path for 2-node testing is set
  78 | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']}
  79 | | And Interfaces in 2-node path are up
  80 | | And VPP Route Add | ${dut_node} | 255.255.255.255 | 32 | ${NONE} | local
  81 | | ... | ${FALSE} | ${NONE}
  82 | | And Set Interface Address | ${dut_node}
  83 | | ... | ${dut_to_tg_if1} | ${dut_to_tg_if1_ip} | ${prefix_length}
  84 | | And Set Interface Address | ${dut_node}
  85 | | ... | ${dut_to_tg_if2} | ${dut_to_tg_if2_ip} | ${prefix_length}
  86 | | And Add Arp On Dut | ${dut_node} | ${dut_to_tg_if2} | ${dhcp_server_ip}
  87 | | ... | ${tg_to_dut_if2_mac}
  88 | | When DHCP Proxy Config | ${dut_node} | ${dhcp_server_ip}
  89 | | ... | ${dut_to_tg_if1_ip}
  90 | | Then Send DHCP DISCOVER | ${tg_node} | ${tg_to_dut_if1}
  91 | | ... | ${tg_to_dut_if2} | ${discover_src_ip} | ${valid_discover_dst_ip}
  92 | | And Send DHCP DISCOVER should fail | ${tg_node} | ${tg_to_dut_if1}
  93 | | ... | ${tg_to_dut_if2} | ${discover_src_ip} | ${invalid_discover_dst_ip}