From 5a94f1ee79a635df9fe8b54e440a099153c61ce6 Mon Sep 17 00:00:00 2001 From: Matej Klotton Date: Fri, 26 Aug 2016 02:38:24 +0200 Subject: CSIT-124: IPv4 encapsulations - IP4-GRE-IP4 - add gre test with multiple tunnel configured - configure tunnel source as a loopback - route from tunnel to tunnel - check droping unknown tunnel destination Change-Id: Ib522d158d9de5c66f556c6734ceadc994eea02d4 Signed-off-by: Matej Klotton --- resources/libraries/robot/gre.robot | 139 ++++++++++++++------- .../traffic_scripts/send_gre_check_gre_headers.py | 124 ++++++++++++++++++ 2 files changed, 221 insertions(+), 42 deletions(-) create mode 100755 resources/traffic_scripts/send_gre_check_gre_headers.py (limited to 'resources') diff --git a/resources/libraries/robot/gre.robot b/resources/libraries/robot/gre.robot index 23d6ff9098..6ff0d989dd 100644 --- a/resources/libraries/robot/gre.robot +++ b/resources/libraries/robot/gre.robot @@ -16,18 +16,18 @@ *** Keywords *** | GRE tunnel interface is created and up -| | [Documentation] | Create GRE tunnel interface on defined VPP node and put -| | ... | the interface to UP state. +| | [Documentation] | Create GRE tunnel interface on defined VPP node and put \ +| | ... | the interface to UP state. | | ... | | ... | *Arguments:* -| | ... | - ${dut_node} - DUT node where to create GRE tunnel. Type: dictionary -| | ... | - ${source_ip_address} - GRE tunnel source IP address. Type: string -| | ... | - ${destination_ip_address} - GRE tunnel destination IP address. +| | ... | - dut_node - DUT node where to create GRE tunnel. Type: dictionary +| | ... | - source_ip_address - GRE tunnel source IP address. Type: string +| | ... | - destination_ip_address - GRE tunnel destination IP address. | | ... | Type: string | | ... | | ... | *Return:* -| | ... | - ${name} - Name of created GRE tunnel interface. Type: string -| | ... | - ${index} - SW interface index of created GRE tunnel interface. +| | ... | - name - Name of created GRE tunnel interface. Type: string +| | ... | - index - SW interface index of created GRE tunnel interface. | | ... | Type: integer | | ... | | ... | *Example:* @@ -38,27 +38,27 @@ | | ... | | [Arguments] | ${dut_node} | ${source_ip_address} | ${destination_ip_address} | | ${name} | ${index}= | Create GRE Tunnel Interface -| | | | ... | ${dut_node} | ${source_ip_address} | ${destination_ip_address} +| | ... | ${dut_node} | ${source_ip_address} | ${destination_ip_address} | | Set Interface State | ${dut_node} | ${index} | up | | [Return] | ${name} | ${index} | Send ICMPv4 and check received GRE header -| | [Documentation] | Send ICMPv4 packet and check if received packed contains -| | ... | correct GRE, IP, MAC headers. +| | [Documentation] | Send ICMPv4 packet and check if received packed contains \ +| | ... | correct GRE, IP, MAC headers. | | ... | | ... | *Arguments:* -| | ... | - ${tg_node} - Node where to run traffic script. Type: dictionary -| | ... | - ${tx_if} - Interface from where send ICPMv4 packet. Type: string -| | ... | - ${rx_if} - Interface where to receive GRE packet. Type: string -| | ... | - ${tx_dst_mac} - Destination MAC address of ICMP packet. Type: string -| | ... | - ${rx_dst_mac} - Expected destination MAC address of GRE packet. +| | ... | - tg_node - Node where to run traffic script. Type: dictionary +| | ... | - tx_if - Interface from where send ICPMv4 packet. Type: string +| | ... | - rx_if - Interface where to receive GRE packet. Type: string +| | ... | - tx_dst_mac - Destination MAC address of ICMP packet. Type: string +| | ... | - rx_dst_mac - Expected destination MAC address of GRE packet. | | ... | Type: string -| | ... | - ${inner_src_ip} - Source IP address of ICMP packet. Type: string -| | ... | - ${inner_dst_ip} - Destination IP address of ICMP packet. +| | ... | - inner_src_ip - Source IP address of ICMP packet. Type: string +| | ... | - inner_dst_ip - Destination IP address of ICMP packet. | | ... | Type: string -| | ... | - ${outer_src_ip} - Source IP address of GRE packet. Type: string -| | ... | - ${outer_dst_ip} - Destination IP address of GRE packet. +| | ... | - outer_src_ip - Source IP address of GRE packet. Type: string +| | ... | - outer_dst_ip - Destination IP address of GRE packet. | | ... | Type: string | | ... | | ... | *Return:* @@ -72,35 +72,35 @@ | | ... | \| ${net2_host_address} \| ${dut1_ip_address} \| ${dut2_ip_address} \| | | ... | | [Arguments] | ${tg_node} | ${tx_if} | ${rx_if} -| | ... | ${tx_dst_mac} | ${rx_dst_mac} -| | ... | ${inner_src_ip} | ${inner_dst_ip} -| | ... | ${outer_src_ip} | ${outer_dst_ip} +| | ... | ${tx_dst_mac} | ${rx_dst_mac} +| | ... | ${inner_src_ip} | ${inner_dst_ip} +| | ... | ${outer_src_ip} | ${outer_dst_ip} | | ${tx_if_name}= | Get interface name | ${tg_node} | ${tx_if} | | ${rx_if_name}= | Get interface name | ${tg_node} | ${rx_if} | | ${args}= | Catenate | --tx_if | ${tx_if_name} | --rx_if | ${rx_if_name} -| | | ... | --tx_dst_mac | ${tx_dst_mac} | --rx_dst_mac | ${rx_dst_mac} -| | | ... | --inner_src_ip | ${inner_src_ip} | --inner_dst_ip | ${inner_dst_ip} -| | | ... | --outer_src_ip | ${outer_src_ip} | --outer_dst_ip | ${outer_dst_ip} +| | ... | --tx_dst_mac | ${tx_dst_mac} | --rx_dst_mac | ${rx_dst_mac} +| | ... | --inner_src_ip | ${inner_src_ip} | --inner_dst_ip | ${inner_dst_ip} +| | ... | --outer_src_ip | ${outer_src_ip} | --outer_dst_ip | ${outer_dst_ip} | | Run Traffic Script On Node | | ... | send_icmp_check_gre_headers.py | ${tg_node} | ${args} | Send GRE and check received ICMPv4 header -| | [Documentation] | Send ICMPv4 packet and check if received packed contains -| | ... | correct GRE, IP, MAC headers. +| | [Documentation] | Send IPv4 ICMPv4 packet encapsulated into GRE and \ +| | ... | check IP, MAC headers on received packed. | | ... | | ... | *Arguments:* -| | ... | - ${tg_node} - Node where to run traffic script. Type: dictionary -| | ... | - ${tx_if} - Interface from where send ICPMv4 packet. Type: string -| | ... | - ${rx_if} - Interface where receive GRE packet. Type: string -| | ... | - ${tx_dst_mac} - Destination MAC address of GRE packet. Type: string -| | ... | - ${rx_dst_mac} - Expected destination MAC address of ICMP packet. +| | ... | - tg_node - Node where to run traffic script. Type: dictionary +| | ... | - tx_if - Interface from where send ICPMv4 packet. Type: string +| | ... | - rx_if - Interface where receive GRE packet. Type: string +| | ... | - tx_dst_mac - Destination MAC address of GRE packet. Type: string +| | ... | - rx_dst_mac - Expected destination MAC address of ICMP packet. | | ... | Type: string -| | ... | - ${inner_src_ip} - Source IP address of ICMP packet. Type: string -| | ... | - ${inner_dst_ip} - Destination IP address of ICMP packet. +| | ... | - inner_src_ip - Source IP address of ICMP packet. Type: string +| | ... | - inner_dst_ip - Destination IP address of ICMP packet. | | ... | Type: string -| | ... | - ${outer_src_ip} - Source IP address of GRE packet. Type: string -| | ... | - ${outer_dst_ip} - Destination IP address of GRE packet. +| | ... | - outer_src_ip - Source IP address of GRE packet. Type: string +| | ... | - outer_dst_ip - Destination IP address of GRE packet. | | ... | Type: string | | ... | | ... | *Return:* @@ -114,14 +114,69 @@ | | ... | \| ${dut2_ip_address} \| ${dut1_ip_address} \| | | ... | | [Arguments] | ${tg_node} | ${tx_if} | ${rx_if} -| | ... | ${tx_dst_mac} | ${rx_dst_mac} -| | ... | ${inner_src_ip} | ${inner_dst_ip} -| | ... | ${outer_src_ip} | ${outer_dst_ip} +| | ... | ${tx_dst_mac} | ${rx_dst_mac} +| | ... | ${inner_src_ip} | ${inner_dst_ip} +| | ... | ${outer_src_ip} | ${outer_dst_ip} | | ${tx_if_name}= | Get interface name | ${tg_node} | ${tx_if} | | ${rx_if_name}= | Get interface name | ${tg_node} | ${rx_if} | | ${args}= | Catenate | --tx_if | ${tx_if_name} | --rx_if | ${rx_if_name} -| | | ... | --tx_dst_mac | ${tx_dst_mac} | --rx_dst_mac | ${rx_dst_mac} -| | | ... | --inner_src_ip | ${inner_src_ip} | --inner_dst_ip | ${inner_dst_ip} -| | | ... | --outer_src_ip | ${outer_src_ip} | --outer_dst_ip | ${outer_dst_ip} +| | ... | --tx_dst_mac | ${tx_dst_mac} | --rx_dst_mac | ${rx_dst_mac} +| | ... | --inner_src_ip | ${inner_src_ip} | --inner_dst_ip | ${inner_dst_ip} +| | ... | --outer_src_ip | ${outer_src_ip} | --outer_dst_ip | ${outer_dst_ip} | | Run Traffic Script On Node | | ... | send_gre_check_icmp_headers.py | ${tg_node} | ${args} + +| Send GRE and check received GRE header +| | [Documentation] | Send IPv4 UDP packet encapsulated into GRE and \ +| | ... | check if received packed contains correct MAC GRE, IP, UDP headers. +| | ... +| | ... | *Arguments:* +| | ... | - tg_node - Node where to run traffic script. Type: dictionary +| | ... | - tx_if - Interface from where send GRE packet. Type: string +| | ... | - rx_if - Interface where to receive GRE packet. Type: string +| | ... | - tx_dst_mac - Destination MAC address of transferred packet. +| | ... | Type: string +| | ... | - tx_src_mac - Source MAC address of transferred packet. Type: string +| | ... | - tx_outer_dst_ip - Destination IP address of GRE packet. Type: string +| | ... | - tx_outer_src_ip - Source IP address of GRE packet. Type: string +| | ... | - tx_inner_dst_ip - Destination IP address of UDP packet. Type: string +| | ... | - tx_inner_src_ip - Source IP address of UDP packet. Type: string +| | ... | - rx_dst_mac - Expected destination MAC address. Type: string +| | ... | - rx_src_mac - Expected source MAC address. Type: string +| | ... | - rx_outer_dst_ip - Expected destination IP address of received GRE +| | ... | packet. Type: string +| | ... | - rx_outer_src_ip - Expected source IP address of received GRE +| | ... | packet. Type: string +| | ... +| | ... | __Note:__ +| | ... | rx_inner_dst_ip and rx_inner_src_ip should be same as transferred +| | ... +| | ... | *Return:* +| | ... | - No value returned +| | ... +| | ... | *Example:* +| | ... | \| Send GRE and check received GRE header \| ${tg_node} \ +| | ... | \| port3 \| port3 \| 08:00:27:f3:be:f0 \| 08:00:27:46:2b:4c \ +| | ... | \| 10.0.0.1 \| 10.0.0.2 \| 192.168.3.100 \| 192.168.2.100 \ +| | ... | \| 08:00:27:46:2b:4c \| 08:00:27:f3:be:f0 \| 10.0.0.3 \| 10.0.0.1 \| +| | ... +| | [Arguments] | ${tg_node} | ${tx_if} | ${rx_if} +| | ... | ${tx_dst_mac} | ${tx_src_mac} +| | ... | ${tx_outer_dst_ip} | ${tx_outer_src_ip} +| | ... | ${tx_inner_dst_ip} | ${tx_inner_src_ip} +| | ... | ${rx_dst_mac} | ${rx_src_mac} +| | ... | ${rx_outer_dst_ip} | ${rx_outer_src_ip} +| | ${tx_if_name}= | Get interface name | ${tg_node} | ${tx_if} +| | ${rx_if_name}= | Get interface name | ${tg_node} | ${rx_if} +| | ${args}= | Catenate | --tx_if | ${tx_if_name} | --rx_if | ${rx_if_name} +| | ... | --tx_dst_mac | ${tx_dst_mac} | --tx_src_mac | ${tx_src_mac} +| | ... | --tx_outer_dst_ip | ${tx_outer_dst_ip} +| | ... | --tx_outer_src_ip | ${tx_outer_src_ip} +| | ... | --tx_inner_dst_ip | ${tx_inner_dst_ip} +| | ... | --tx_inner_src_ip | ${tx_inner_src_ip} +| | ... | --rx_dst_mac | ${rx_dst_mac} +| | ... | --rx_src_mac | ${rx_src_mac} +| | ... | --rx_outer_dst_ip | ${rx_outer_dst_ip} +| | ... | --rx_outer_src_ip | ${rx_outer_src_ip} +| | Run Traffic Script On Node +| | ... | send_gre_check_gre_headers.py | ${tg_node} | ${args} diff --git a/resources/traffic_scripts/send_gre_check_gre_headers.py b/resources/traffic_scripts/send_gre_check_gre_headers.py new file mode 100755 index 0000000000..9e2e2abe06 --- /dev/null +++ b/resources/traffic_scripts/send_gre_check_gre_headers.py @@ -0,0 +1,124 @@ +#!/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 a UDP encapsulated into GRE packet from one +interface to the other, where GRE encapsulated packet is expected. +""" + +import sys + +from robot.api import logger +from scapy.all import Ether +from scapy.layers.inet import IP_PROTOS +from scapy.layers.inet import IP +from scapy.layers.inet import UDP +from scapy.layers.l2 import GRE + +from resources.libraries.python.PacketVerifier import RxQueue, TxQueue +from resources.libraries.python.TrafficScriptArg import TrafficScriptArg + + +def main(): + args = TrafficScriptArg( + ['tx_dst_mac', 'tx_src_mac', 'tx_outer_dst_ip', 'tx_outer_src_ip', + 'tx_inner_dst_ip', 'tx_inner_src_ip', 'rx_dst_mac', 'rx_src_mac', + 'rx_outer_dst_ip', 'rx_outer_src_ip']) + + tx_if = args.get_arg('tx_if') + rx_if = args.get_arg('rx_if') + tx_dst_mac = args.get_arg('tx_dst_mac') + tx_src_mac = args.get_arg('tx_src_mac') + tx_outer_dst_ip = args.get_arg('tx_outer_dst_ip') + tx_outer_src_ip = args.get_arg('tx_outer_src_ip') + tx_inner_dst_ip = args.get_arg('tx_inner_dst_ip') + tx_inner_src_ip = args.get_arg('tx_inner_src_ip') + rx_dst_mac = args.get_arg('rx_dst_mac') + rx_src_mac = args.get_arg('rx_src_mac') + rx_outer_dst_ip = args.get_arg('rx_outer_dst_ip') + rx_outer_src_ip = args.get_arg('rx_outer_src_ip') + udp_src = 1234 + udp_dst = 2345 + udp_payload = 'udp_payload' + + rxq = RxQueue(rx_if) + txq = TxQueue(tx_if) + sent_packets = [] + + tx_pkt_raw = Ether(dst=tx_dst_mac, src=tx_src_mac) / \ + IP(src=tx_outer_src_ip, dst=tx_outer_dst_ip) / \ + GRE() / \ + IP(src=tx_inner_src_ip, dst=tx_inner_dst_ip) / \ + UDP(dport=udp_dst, sport=udp_src) / \ + udp_payload + + sent_packets.append(tx_pkt_raw) + txq.send(tx_pkt_raw) + ether = rxq.recv(2, ignore=sent_packets) + + if ether is None: + raise RuntimeError("ICMP echo Rx timeout") + + # Check RX headers + if ether.dst != rx_dst_mac: + raise RuntimeError("Matching of received destination MAC unsuccessful.") + logger.debug("Comparison of received destination MAC: OK.") + + if ether.src != rx_src_mac: + raise RuntimeError("Matching of received source MAC unsuccessful.") + logger.debug("Comparison of received source MAC: OK.") + + if ether['IP'].src != rx_outer_src_ip: + raise RuntimeError("Matching of received outer source IP unsuccessful.") + logger.debug("Comparison of received outer source IP: OK.") + + if ether['IP'].dst != rx_outer_dst_ip: + raise RuntimeError( + "Matching of received outer destination IP unsuccessful.") + logger.debug("Comparison of received outer destination IP: OK.") + + if ether['IP'].proto != IP_PROTOS.gre: + raise RuntimeError("IP protocol is not GRE.") + logger.debug("Comparison of received GRE protocol: OK.") + + if ether['IP']['GRE']['IP'].src != tx_inner_src_ip: + raise RuntimeError("Matching of received inner source IP unsuccessful.") + logger.debug("Comparison of received inner source IP: OK.") + + if ether['IP']['GRE']['IP'].dst != tx_inner_dst_ip: + raise RuntimeError( + "Matching of received inner destination IP unsuccessful.") + logger.debug("Comparison of received inner destination IP: OK.") + + # check udp + udp = ether['IP']['GRE']['IP']['UDP'] + if udp.dport != udp_dst: + raise RuntimeError("UDP dport error {} != {}.". + format(udp.dport, udp_dst)) + print "UDP dport: OK." + + if udp.sport != udp_src: + raise RuntimeError("UDP sport error {} != {}.". + format(udp.sport, udp_src)) + print "UDP sport: OK." + + if str(udp.payload) != udp_payload: + raise RuntimeError("UDP payload check unsuccessful {} != {}.". + format(udp.payload, udp_payload)) + print "UDP payload: OK." + + sys.exit(0) + + +if __name__ == "__main__": + main() -- cgit 1.2.3-korg