diff options
| -rw-r--r-- | resources/libraries/robot/traffic.robot | 85 | ||||
| -rwxr-xr-x | resources/traffic_scripts/send_icmp_check_arp.py | 118 | ||||
| -rw-r--r-- | tests/suites/ipv4/ipv4_arp_untagged.robot | 58 |
3 files changed, 241 insertions, 20 deletions
diff --git a/resources/libraries/robot/traffic.robot b/resources/libraries/robot/traffic.robot index fc1fa363fe..c90067ad06 100644 --- a/resources/libraries/robot/traffic.robot +++ b/resources/libraries/robot/traffic.robot @@ -34,18 +34,18 @@ | | ... | | ... | *Arguments:* | | ... -| | ... | _NOTE:_ Arguments are based on example: +| | ... | _NOTE:_ Arguments are based on topology: | | ... | TG(if1)->(if1)DUT(if2)->TG(if2) | | ... -| | ... | - {tg_node} : Node to execute scripts on (TG). Type: dictionary -| | ... | - {src_ip} - IP of source interface (TG-if1). Type: int -| | ... | - {dst_ip} - IP of destination interface (TG-if2). Type: int -| | ... | - {tx_src_port} - Interface of TG-if1. Type: string -| | ... | - {tx_src_mac} - MAC address of TG-if1. Type: string -| | ... | - {tx_dst_mac} - MAC address of DUT-if1. Type: string -| | ... | - {rx_port} - Interface of TG-if1. Type: string -| | ... | - {rx_src_mac} - MAC address of DUT1-if2. Type: string -| | ... | - {rx_dst_mac} - MAC address of TG-if2. Type: string +| | ... | - tg_node - Node to execute scripts on (TG). Type: dictionary +| | ... | - src_ip - IP of source interface (TG-if1). Type: int +| | ... | - dst_ip - IP of destination interface (TG-if2). Type: int +| | ... | - tx_src_port - Interface of TG-if1. Type: string +| | ... | - tx_src_mac - MAC address of TG-if1. Type: string +| | ... | - tx_dst_mac - MAC address of DUT-if1. Type: string +| | ... | - rx_port - Interface of TG-if1. Type: string +| | ... | - rx_src_mac - MAC address of DUT1-if2. Type: string +| | ... | - rx_dst_mac - MAC address of TG-if2. Type: string | | ... | | ... | *Return:* | | ... | - No value returned @@ -73,18 +73,18 @@ | | ... | | ... | *Arguments:* | | ... -| | ... | _NOTE:_ Arguments are based on example: +| | ... | _NOTE:_ Arguments are based on topology: | | ... | TG(if1)->(if1)DUT(if2)->TG(if2) | | ... -| | ... | - {tg_node} : Node to execute scripts on (TG). Type: dictionary -| | ... | - {src_ip} - IP of source interface (TG-if1). Type: int -| | ... | - {dst_ip} - IP of destination interface (TG-if2). Type: int -| | ... | - {tx_src_port} - Interface of TG-if1. Type: string -| | ... | - {tx_src_mac} - MAC address of TG-if1. Type: string -| | ... | - {tx_dst_mac} - MAC address of DUT-if1. Type: string -| | ... | - {rx_port} - Interface of TG-if1. Type: string -| | ... | - {rx_src_mac} - MAC address of DUT1-if2. Type: string -| | ... | - {rx_dst_mac} - MAC address of TG-if2. Type: string +| | ... | - tg_node - Node to execute scripts on (TG). Type: dictionary +| | ... | - src_ip - IP of source interface (TG-if1). Type: int +| | ... | - dst_ip - IP of destination interface (TG-if2). Type: int +| | ... | - tx_src_port - Interface of TG-if1. Type: string +| | ... | - tx_src_mac - MAC address of TG-if1. Type: string +| | ... | - tx_dst_mac - MAC address of DUT-if1. Type: string +| | ... | - rx_port - Interface of TG-if1. Type: string +| | ... | - rx_src_mac - MAC address of DUT1-if2. Type: string +| | ... | - rx_dst_mac - MAC address of TG-if2. Type: string | | ... | | ... | *Return:* | | ... | - No value returned @@ -105,3 +105,48 @@ | | Run Keyword And Expect Error | ICMP echo Rx timeout | | | ... | Run Traffic Script On Node | send_icmp_check_headers.py | | ... | ${tg_node} | ${args} + +| Send Packet And Check ARP Request +| | [Documentation] | Send IP packet from tx_port and check if ARP Request +| | ... | packet is received on rx_port. +| | ... +| | ... | *Arguments:* +| | ... +| | ... | _NOTE:_ Arguments are based on topology: +| | ... | TG(if1)->(if1)DUT(if2)->TG(if2) +| | ... +| | ... | - tg_node - Node to execute scripts on (TG). Type: dictionary +| | ... | - tx_src_ip - Source IP address of transferred packet (TG-if1). +| | ... | Type: string +| | ... | - tx_dst_ip - Destination IP address of transferred packet (TG-if2). +| | ... | Type: string +| | ... | - tx_port - Interface from which the IP packet is sent (TG-if1). +| | ... | Type: string +| | ... | - tx_dst_mac - Destination MAC address of IP packet (DUT-if1). +| | ... | Type: string +| | ... | - rx_port - Interface where the IP packet is received (TG-if2). +| | ... | Type: string +| | ... | - rx_src_mac - Source MAC address of ARP packet (DUT-if2). +| | ... | Type: string +| | ... | - rx_arp_src_ip - Source IP address of ARP packet (DUT-if2). +| | ... | Type: string +| | ... | - rx_arp_dst_ip - Destination IP address of ARP packet. Type: string +| | ... +| | ... | *Return:* +| | ... | - No value returned +| | ... +| | ... | *Example:* +| | ... +| | ... | \| Send Packet And Check ARP Packet \| ${nodes['TG']} \| 16.0.0.1 \ +| | ... | \| 32.0.0.1 \| eth2 \| 08:00:27:cc:4f:54 \ +| | ... | \| eth4 \| 08:00:27:5b:49:dd \| 08:00:27:54:71:02 \| +| | ... +| | [Arguments] | ${tg_node} | ${tx_src_ip} | ${tx_dst_ip} | ${tx_port} +| | ... | ${tx_dst_mac} | ${rx_port} | ${rx_dst_mac} | ${rx_arp_src_ip} +| | ... | ${rx_arp_dst_ip} +| | ${args}= | Catenate +| | ... | --tx_dst_mac | ${tx_dst_mac} | --rx_dst_mac | ${rx_dst_mac} +| | ... | --tx_src_ip | ${tx_src_ip} | --tx_dst_ip | ${tx_dst_ip} +| | ... | --tx_if | ${tx_port} | --rx_if | ${rx_port} +| | ... | --rx_arp_src_ip ${rx_arp_src_ip} | --rx_arp_dst_ip ${rx_arp_dst_ip} +| | Run Traffic Script On Node | send_icmp_check_arp.py | ${tg_node} | ${args} diff --git a/resources/traffic_scripts/send_icmp_check_arp.py b/resources/traffic_scripts/send_icmp_check_arp.py new file mode 100755 index 0000000000..4a3c442114 --- /dev/null +++ b/resources/traffic_scripts/send_icmp_check_arp.py @@ -0,0 +1,118 @@ +#!/usr/bin/env python +# 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. + +"""Traffic script that sends an IP ICMP packet +from one interface and expects ARP on the other one. +""" + +import sys +import ipaddress + +from scapy.all import Ether +from scapy.layers.inet import ICMP, IP + +from resources.libraries.python.PacketVerifier import RxQueue, TxQueue +from resources.libraries.python.TrafficScriptArg import TrafficScriptArg + + +def valid_ipv4(ip): + """Check if IP address has the correct IPv4 address format. + + :param ip: IP address. + :type ip: str + :return: True in case of correct IPv4 address format, + otherwise return False. + :rtype: bool + """ + try: + ipaddress.IPv4Address(unicode(ip)) + return True + except (AttributeError, ipaddress.AddressValueError): + return False + + +def main(): + """Send IP ICMP packet from one traffic generator interface and expects + ARP on the other.""" + args = TrafficScriptArg( + ['tx_dst_mac', 'rx_dst_mac', 'tx_src_ip', 'tx_dst_ip', 'rx_arp_src_ip', + 'rx_arp_dst_ip']) + + tx_dst_mac = args.get_arg('tx_dst_mac') + rx_dst_mac = args.get_arg('rx_dst_mac') + src_ip = args.get_arg('tx_src_ip') + dst_ip = args.get_arg('tx_dst_ip') + tx_if = args.get_arg('tx_if') + rx_if = args.get_arg('rx_if') + rx_arp_src_ip = args.get_arg('rx_arp_src_ip') + rx_arp_dst_ip = args.get_arg('rx_arp_dst_ip') + + rxq = RxQueue(rx_if) + txq = TxQueue(tx_if) + + # Create empty IP ICMP packet + if valid_ipv4(src_ip) and valid_ipv4(dst_ip): + pkt_raw = Ether(dst=tx_dst_mac) / IP(src=src_ip, dst=dst_ip) / ICMP() + + # Send created packet on one interface and receive on the other + txq.send(pkt_raw) + + ether = rxq.recv(2) + + if ether is None: + raise RuntimeError("Ethernet frame Rx timeout") + + # ARP check + if ether['ARP'] is not None: + print("ARP packet received.") + else: + raise RuntimeError("Not an ARP packet received {0}" + .format(ether.__repr__())) + + # Compare data from packets + if ether['ARP'].op == 1: # 1 - who-has request + print("ARP request matched.") + else: + raise RuntimeError("Matching ARP request unsuccessful: {0}" + .format(ether.__repr__())) + + if ether['ARP'].hwsrc == rx_dst_mac: + print("Source MAC matched.") + else: + raise RuntimeError("Matching Source MAC unsuccessful: {0}" + .format(ether.__repr__())) + + if ether['ARP'].hwdst == "00:00:00:00:00:00": + print("Destination MAC matched.") + else: + raise RuntimeError("Matching Destination MAC unsuccessful: {0}" + .format(ether.__repr__())) + + if ether['ARP'].psrc == rx_arp_src_ip: + print("Source ARP IP address matched.") + else: + raise RuntimeError("Matching Source ARP IP address unsuccessful: {0}" + .format(ether.__repr__())) + + if ether['ARP'].pdst == rx_arp_dst_ip: + print("Destination ARP IP address matched.") + else: + raise RuntimeError("Matching Destination ARP IP address unsuccessful: " + "{0}".format(ether.__repr__())) + + sys.exit(0) + + +if __name__ == "__main__": + main() diff --git a/tests/suites/ipv4/ipv4_arp_untagged.robot b/tests/suites/ipv4/ipv4_arp_untagged.robot new file mode 100644 index 0000000000..3af680e815 --- /dev/null +++ b/tests/suites/ipv4/ipv4_arp_untagged.robot @@ -0,0 +1,58 @@ +# 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 *** +| Documentation | Check if VPP sends ARP request to unknown destinations. +| Resource | resources/libraries/robot/default.robot +| Resource | resources/libraries/robot/counters.robot +| Resource | resources/libraries/robot/interfaces.robot +| Resource | resources/libraries/robot/testing_path.robot +| Resource | resources/libraries/robot/ipv4.robot +| Resource | resources/libraries/robot/l2_xconnect.robot +| Resource | resources/libraries/robot/traffic.robot +| Library | resources.libraries.python.Trace + +| Force Tags | HW_ENV | VM_ENV | 3_NODE_SINGLE_LINK_TOPO +| Suite Setup | Run Keywords | Setup all TGs before traffic script +| ... | AND | Update All Interface Data On All Nodes | ${nodes} +| Test Setup | Setup all DUTs before test +| Test Teardown | Show packet trace on all DUTs | ${nodes} + +*** Variables *** +| ${dut1_to_tg_ip}= | 192.168.1.1 +| ${dut1_to_dut2_ip}= | 192.168.2.1 +| ${dut1_to_dut2_ip_GW}= | 192.168.2.2 +| ${test_dst_ip}= | 32.0.0.1 +| ${test_src_ip}= | 16.0.0.1 +| ${prefix_length}= | 24 + +*** Test Cases *** +| VPP sends ARP requests for unknown destinations +| | [Documentation] | Setup IP addresses and route. +| | ... | Send ICMP packet and check if VPP sends ARP request. +| | Given Path for 3-node testing is set +| | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['DUT2']} | ${nodes['TG']} +| | And Interfaces in 3-node path are up +| | And L2 setup xconnect on DUT +| | ... | ${dut2_node} | ${dut2_to_dut1} | ${dut2_to_tg} +| | When Set Interface Address | ${dut1_node} +| | ... | ${dut1_to_tg} | ${dut1_to_tg_ip} | ${prefix_length} +| | And Set Interface Address | ${dut1_node} +| | ... | ${dut1_to_dut2} | ${dut1_to_dut2_ip} | ${prefix_length} +| | And Vpp Route Add +| | ... | ${dut1_node} | ${test_dst_ip} | ${prefix_length} +| | ... | ${dut1_to_dut2_ip_GW} | ${dut1_to_dut2} +| | Then Send Packet And Check ARP Request | ${tg_node} +| | ... | ${test_src_ip} | ${test_dst_ip} | ${tg_to_dut1} +| | ... | ${tg_to_dut2_mac} | ${tg_to_dut2} | ${dut1_to_dut2_mac} +| | ... | ${dut1_to_dut2_ip} | ${dut1_to_dut2_ip_GW} |