CSIT-25 DHCPv4 proxy tests

Change-Id: I5aa449d7289fe8d015a32b21c0a368e9693ba757
Signed-off-by: Patrik Hrnciar <phrnciar@cisco.com>

1 files changed, 95 insertions, 0 deletions

diff --git a/tests/func/dhcp/dhcp_v4_proxy.robot b/tests/func/dhcp/dhcp_v4_proxy.robot
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+++ b/tests/func/dhcp/dhcp_v4_proxy.robot
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+# 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/testing_path.robot
+| Resource | resources/libraries/robot/dhcp_client.robot
+| Resource | resources/libraries/robot/ipv4.robot
+| Library | resources.libraries.python.Trace
+| Force Tags | HW_ENV | VM_ENV | 3_NODE_DOUBLE_LINK_TOPO
+| Test Setup | Run Keywords | Setup all DUTs before test
+| ...        | AND          | Setup all TGs before traffic script
+| Test Teardown | Run Keywords | Show Packet Trace on All DUTs | ${nodes}
+| ...           | AND          | Show vpp trace dump on all DUTs
+| Documentation | *DHCP proxy test cases*
+| ...
+| ... | *[Top] Network Topologies:* TG = DUT
+| ... |        with two links between the nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP-BOOTP-DHCP
+| ... | *[Cfg] DUT configuration:* DUT is configured with DHCP proxy.
+| ... | *[Ver] TG verification:* Test DHCP packets are sent
+| ... |        on TG on first link to DUT and received on TG on second link.
+| ... |        On receive TG verifies if DHCP packets are valid.
+
+*** Variables ***
+| ${dut_to_tg_if1_ip}= | 172.16.0.1
+| ${dut_to_tg_if2_ip}= | 192.168.0.1
+| ${dhcp_server_ip}= | 192.168.0.100
+| ${client_ip}= | 172.16.0.2
+| ${prefix_length}= | 24
+
+| ${discover_src_ip}= | 0.0.0.0
+| ${valid_discover_dst_ip}= | 255.255.255.255
+| ${invalid_discover_dst_ip}= | 255.255.255.1
+
+*** Test Cases ***
+| TC01: VPP proxies valid DHCPv4 request to DHCPv4 server
+| | [Documentation] |
+| | ... | [Top] TG=DUT \
+| | ... | [Enc] Eth-IPv4-UDP-BOOTP-DHCP
+| | ... | [Cfg] On DUT setup DHCP proxy.
+| | ... | [Ver] Make TG verify matching DHCP packets between client and DHCP
+| | ... | server through DHCP proxy.
+| | ...
+| | Given Path for 2-node testing is set
+| | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']}
+| | And Interfaces in 2-node path are up
+| | And VPP Route Add | ${dut_node} | 255.255.255.255 | 32 | ${NONE} | local
+| | ... | ${FALSE} | ${NONE}
+| | And Set Interface Address | ${dut_node}
+| | ... | ${dut_to_tg_if1} | ${dut_to_tg_if1_ip} | ${prefix_length}
+| | And Set Interface Address | ${dut_node}
+| | ... | ${dut_to_tg_if2} | ${dut_to_tg_if2_ip} | ${prefix_length}
+| | And Add Arp On Dut | ${dut_node} | ${dut_to_tg_if2} | ${dhcp_server_ip}
+| | ... | ${tg_to_dut_if2_mac}
+| | When DHCP Proxy Config | ${dut_node} | ${dhcp_server_ip}
+| | ... | ${dut_to_tg_if1_ip}
+| | Then Send DHCP Messages | ${tg_node} | ${tg_to_dut_if1} | ${tg_to_dut_if2}
+| | ... | ${dhcp_server_ip} | ${tg_to_dut_if2_mac} | ${client_ip}
+| | ... | ${tg_to_dut_if1_mac} | ${dut_to_tg_if1_ip}
+
+| TC02: VPP proxy ignores invalid DHCPv4 request
+| | [Documentation] |
+| | ... | [Top] TG=DUT \
+| | ... | [Enc] Eth-IPv4-UDP-BOOTP-DHCP
+| | ... | [Cfg] On DUT setup DHCP proxy.
+| | ... | [Ver] Make TG verify matching invalid DHCP packets are dropped.
+| | ...
+| | Given Path for 2-node testing is set
+| | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']}
+| | And Interfaces in 2-node path are up
+| | And VPP Route Add | ${dut_node} | 255.255.255.255 | 32 | ${NONE} | local
+| | ... | ${FALSE} | ${NONE}
+| | And Set Interface Address | ${dut_node}
+| | ... | ${dut_to_tg_if1} | ${dut_to_tg_if1_ip} | ${prefix_length}
+| | And Set Interface Address | ${dut_node}
+| | ... | ${dut_to_tg_if2} | ${dut_to_tg_if2_ip} | ${prefix_length}
+| | And Add Arp On Dut | ${dut_node} | ${dut_to_tg_if2} | ${dhcp_server_ip}
+| | ... | ${tg_to_dut_if2_mac}
+| | When DHCP Proxy Config | ${dut_node} | ${dhcp_server_ip}
+| | ... | ${dut_to_tg_if1_ip}
+| | Then Send DHCP DISCOVER | ${tg_node} | ${tg_to_dut_if1}
+| | ... | ${tg_to_dut_if2} | ${discover_src_ip} | ${valid_discover_dst_ip}
+| | And Send DHCP DISCOVER should fail | ${tg_node} | ${tg_to_dut_if1}
+| | ... | ${tg_to_dut_if2} | ${discover_src_ip} | ${invalid_discover_dst_ip}