From f591e5d8bd72f5f60d3c26222b14b512366fedc3 Mon Sep 17 00:00:00 2001 From: Matej Klotton Date: Thu, 11 Aug 2016 18:33:34 +0200 Subject: [PATCH] CSIT-353: Add basic map-t tests Change-Id: I78075e445cdd61e0e3cf9353bddeaf6e6bc978fa Signed-off-by: Matej Klotton --- resources/libraries/python/Map.py | 29 ++++- resources/libraries/robot/map.robot | 93 ++++++++++++++ resources/templates/vat/map_add_domain.vat | 2 +- .../traffic_scripts/send_ipv4_udp_check_map_t.py | 132 ++++++++++++++++++++ .../traffic_scripts/send_ipv6_udp_check_map_t.py | 133 +++++++++++++++++++++ tests/func/softwire/map_t.robot | 125 +++++++++++++++++++ 6 files changed, 511 insertions(+), 3 deletions(-) create mode 100755 resources/traffic_scripts/send_ipv4_udp_check_map_t.py create mode 100755 resources/traffic_scripts/send_ipv6_udp_check_map_t.py create mode 100644 tests/func/softwire/map_t.robot diff --git a/resources/libraries/python/Map.py b/resources/libraries/python/Map.py index b98d488e73..a1db3a8461 100644 --- a/resources/libraries/python/Map.py +++ b/resources/libraries/python/Map.py @@ -24,7 +24,7 @@ class Map(object): @staticmethod def map_add_domain(vpp_node, ip4_pfx, ip6_pfx, ip6_src, ea_bits_len, - psid_offset, psid_len): + psid_offset, psid_len, map_t=False): """Add map domain on node. :param vpp_node: VPP node to add map domain on. @@ -34,6 +34,8 @@ class Map(object): :param ea_bits_len: Embedded Address bits length. :param psid_offset: Port Set Identifier (PSID) offset. :param psid_len: Port Set Identifier (PSID) length. + :param map_t: Mapping using translation instead of encapsulation. + Default False. :type vpp_node: dict :type ip4_pfx: str :type ip6_pfx: str @@ -41,17 +43,21 @@ class Map(object): :type ea_bits_len: int :type psid_offset: int :type psid_len: int + :type map_t: bool :return: Index of created map domain. :rtype: int :raises RuntimeError: If unable to add map domain. """ + translate = 'map-t' if map_t else '' + output = VatExecutor.cmd_from_template(vpp_node, "map_add_domain.vat", ip4_pfx=ip4_pfx, ip6_pfx=ip6_pfx, ip6_src=ip6_src, ea_bits_len=ea_bits_len, psid_offset=psid_offset, - psid_len=psid_len) + psid_len=psid_len, + map_t=translate) if output[0]["retval"] == 0: return output[0]["index"] else: @@ -261,3 +267,22 @@ class Map(object): address |= interface_id # add Interface ID bits return str(ipaddress.ip_address(address)) + + @staticmethod + def compute_ipv6_map_source_address(ipv6_pfx, ipv4_src): + """Compute IPv6 source address from IPv4 address for MAP-T algorithm. + + :param ipv6_pfx: 96 bit long IPv6 prefix. + :param ipv4_src: IPv4 source address + :type ipv6_pfx: str + :type ipv4_src: str + :return: IPv6 address, combination of IPv6 prefix and IPv4 address. + :rtype: str + """ + ipv6_net = ipaddress.ip_network(unicode(ipv6_pfx)) + ipv4_host = ipaddress.ip_address(unicode(ipv4_src)) + + address = ipv6_net.network_address._ip + address |= ipv4_host._ip + + return str(ipaddress.ip_address(address)) diff --git a/resources/libraries/robot/map.robot b/resources/libraries/robot/map.robot index 7462befa41..fc7744e361 100644 --- a/resources/libraries/robot/map.robot +++ b/resources/libraries/robot/map.robot @@ -216,3 +216,96 @@ | | ... | | Run Traffic Script On Node | | ... | send_lw_4o6_check_hairpinning_udp.py | ${tg_node} | ${args} + +| Send IPv4 UDP and check IPv6 headers for MAP-T +| | [Documentation] +| | ... | Send a UDP in IPv4 and check if IPv4 source and destination \ +| | ... | addresses are correctly translated into IPv6 addresses. +| | ... +| | ... | *Arguments:* +| | ... | - tg_node - Node where to run traffic script. Type: string +| | ... | - tx_if - Interface from where to send IPv4 UDP packet. Type: string +| | ... | - rx_if - Interface where to receive IPv6 UDP packet. Type: string +| | ... | - tx_dst_mac - Destination MAC address of IPv4 packet. Type: string +| | ... | - tx_dst_ipv4 - Destination IPv4 address. Type: string +| | ... | - tx_src_ipv4 - Source IPv4 address. Type: string +| | ... | - tx_dst_udp_port - Destination UDP port. Type: integer +| | ... | - rx_dst_mac - Expected destination MAC address. Type: string +| | ... | - rx_src_mac - Expected source MAC address. Type: string +| | ... | - dst_ipv6 - Expected destination IPv6 address. Type: string +| | ... | - src_ipv6 - Expected source IPv6 address. Type: string +| | ... +| | ... | *Return:* +| | ... | - No value returned +| | ... +| | ... | *Example:* +| | ... +| | ... | \| Send IPv4 UDP and check IPv6 headers for MAP-T \ +| | ... | \| ${tg_node} \| port3 \| port3 \| 08:00:27:66:b8:57 \ +| | ... | \| 20.169.201.219 \| 100.0.0.1 \| ${1232} \| 08:00:27:46:2b:4c \ +| | ... | \| 08:00:27:f3:be:f0 \| 2001:db8::14a9:c9db:0 \ +| | ... | \| 2001:db8:ffff::6400:1 \| +| | ... +| | [Arguments] +| | ... | ${tg_node} | ${tx_if} | ${rx_if} +| | ... | ${tx_dst_mac} | ${tx_dst_ipv4} | ${tx_src_ipv4} | ${tx_dst_udp_port} +| | ... | ${rx_dst_mac} | ${rx_src_mac} | ${dst_ipv6} | ${src_ipv6} +| | ... +| | ${tx_name}= | Get interface name | ${tg_node} | ${tx_if} +| | ${rx_name}= | Get interface name | ${tg_node} | ${rx_if} +| | ${args}= | Catenate +| | ... | --tx_if | ${tx_name} | --rx_if | ${rx_name} +| | ... | --tx_dst_mac | ${tx_dst_mac} +| | ... | --tx_src_ipv4 | ${tx_src_ipv4} | --tx_dst_ipv4 | ${tx_dst_ipv4} +| | ... | --tx_dst_udp_port | ${tx_dst_udp_port} +| | ... | --rx_dst_mac | ${rx_dst_mac} | --rx_src_mac | ${rx_src_mac} +| | ... | --rx_src_ipv6 | ${src_ipv6} | --rx_dst_ipv6 | ${dst_ipv6} +| | ... +| | Run Traffic Script On Node +| | ... | send_ipv4_udp_check_map_t.py | ${tg_node} | ${args} + +| Send IPv6 UDP and check IPv4 headers for MAP-T +| | [Documentation] +| | ... | Send a UDP in IPv6 and check if IPv6 source and destination \ +| | ... | addresses are correctly translated into IPv4 addresses. +| | ... +| | ... | *Arguments:* +| | ... | - tg_node - Node where to run traffic script. Type: string +| | ... | - tx_if - Interface from where to send IPv4 UDP packet. Type: string +| | ... | - rx_if - Interface where to receive IPv6 UDP packet. Type: string +| | ... | - tx_dst_mac - Destination MAC address of IPv4 packet. Type: string +| | ... | - tx_dst_ipv6 - Destination IPv6 address. Type: string +| | ... | - tx_src_ipv6 - Source IPv6 address. Type: string +| | ... | - tx_src_udp_port - Source UDP port. Type: integer +| | ... | - rx_dst_mac - Expected destination MAC address. Type: string +| | ... | - rx_src_mac - Expected source MAC address. Type: string +| | ... | - dst_ipv4 - Expected destination IPv4 address. Type: string +| | ... | - src_ipv4 - Expected source IPv4 address. Type: string +| | ... +| | ... | *Return:* +| | ... | - No value returned +| | ... +| | ... | *Example:* +| | ... +| | ... | \| Send IPv6 UDP and check IPv4 headers for MAP-T \ +| | ... | \| port3 \| port4 \| 08:00:27:f3:be:f0 \| 2001:db8:ffff::6400:1 \ +| | ... | \| 2001:db8::14a9:c9db:0 \| ${1232} \| 08:00:27:58:71:eb \ +| | ... | \| 08:00:27:66:b8:57 \| 100.0.0.1 \| 20.169.201.219 \| +| | ... +| | [Arguments] +| | ... | ${tg_node} | ${tx_if} | ${rx_if} +| | ... | ${tx_dst_mac} | ${tx_dst_ipv6} | ${tx_src_ipv6} | ${tx_src_udp_port} +| | ... | ${rx_dst_mac} | ${rx_src_mac} | ${dst_ipv4} | ${src_ipv4} +| | ... +| | ${tx_name}= | Get interface name | ${tg_node} | ${tx_if} +| | ${rx_name}= | Get interface name | ${tg_node} | ${rx_if} +| | ${args}= | Catenate +| | ... | --tx_if | ${tx_name} | --rx_if | ${rx_name} +| | ... | --tx_dst_mac | ${tx_dst_mac} +| | ... | --tx_src_ipv6 | ${tx_src_ipv6} | --tx_dst_ipv6 | ${tx_dst_ipv6} +| | ... | --tx_src_udp_port | ${tx_src_udp_port} +| | ... | --rx_dst_mac | ${rx_dst_mac} | --rx_src_mac | ${rx_src_mac} +| | ... | --rx_src_ipv4 | ${src_ipv4} | --rx_dst_ipv4 | ${dst_ipv4} +| | ... +| | Run Traffic Script On Node +| | ... | send_ipv6_udp_check_map_t.py | ${tg_node} | ${args} diff --git a/resources/templates/vat/map_add_domain.vat b/resources/templates/vat/map_add_domain.vat index f5996294ee..4895f04794 100644 --- a/resources/templates/vat/map_add_domain.vat +++ b/resources/templates/vat/map_add_domain.vat @@ -1 +1 @@ -map_add_domain ip4-pfx {ip4_pfx} ip6-pfx {ip6_pfx} ip6-src {ip6_src} ea-bits-len {ea_bits_len} psid-offset {psid_offset} psid-len {psid_len} \ No newline at end of file +map_add_domain ip4-pfx {ip4_pfx} ip6-pfx {ip6_pfx} ip6-src {ip6_src} ea-bits-len {ea_bits_len} psid-offset {psid_offset} psid-len {psid_len} {map_t} \ No newline at end of file diff --git a/resources/traffic_scripts/send_ipv4_udp_check_map_t.py b/resources/traffic_scripts/send_ipv4_udp_check_map_t.py new file mode 100755 index 0000000000..835f667751 --- /dev/null +++ b/resources/traffic_scripts/send_ipv4_udp_check_map_t.py @@ -0,0 +1,132 @@ +#!/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 datagram and checks if IPv4 addresses +are correctly translate to IPv6 addresses.""" + +import sys + +from scapy.layers.l2 import Ether +from scapy.layers.inet import IP, UDP +from ipaddress import ip_address + +from resources.libraries.python.PacketVerifier import RxQueue, TxQueue +from resources.libraries.python.TrafficScriptArg import TrafficScriptArg + + +def _check_udp_checksum(pkt): + """Check UDP checksum in IP packet. Return True if checksum is correct + else False.""" + new = pkt.__class__(str(pkt)) + del new['UDP'].chksum + new = new.__class__(str(new)) + return new['UDP'].chksum == pkt['UDP'].chksum + + +def _is_udp_in_ipv6(pkt): + """If IPv6 next header type in the given pkt is UDP, return True, + else return False. False is returned also if exception occurs.""" + ipv6_type = int('0x86dd', 16) # IPv6 + try: + if pkt.type == ipv6_type: + if pkt.payload.nh == 17: # UDP + return True + except AttributeError: + return False + return False + + +def main(): # pylint: disable=too-many-statements, too-many-locals + """Main function of the script file.""" + args = TrafficScriptArg(['tx_dst_mac', 'tx_src_ipv4', 'tx_dst_ipv4', + 'tx_dst_udp_port', 'rx_dst_mac', 'rx_src_mac', + 'rx_src_ipv6', 'rx_dst_ipv6']) + rx_if = args.get_arg('rx_if') + tx_if = args.get_arg('tx_if') + tx_dst_mac = args.get_arg('tx_dst_mac') + tx_src_ipv4 = args.get_arg('tx_src_ipv4') + tx_dst_ipv4 = args.get_arg('tx_dst_ipv4') + tx_dst_udp_port = int(args.get_arg('tx_dst_udp_port')) + tx_src_udp_port = 20000 + rx_dst_mac = args.get_arg('rx_dst_mac') + rx_src_mac = args.get_arg('rx_src_mac') + rx_src_ipv6 = args.get_arg('rx_src_ipv6') + rx_dst_ipv6 = args.get_arg('rx_dst_ipv6') + + rxq = RxQueue(rx_if) + txq = TxQueue(tx_if) + sent_packets = [] + + # Create empty UDP datagram + udp = (Ether(dst=tx_dst_mac) / + IP(src=tx_src_ipv4, dst=tx_dst_ipv4) / + UDP(sport=tx_src_udp_port, dport=tx_dst_udp_port) / + 'udp_payload') + + txq.send(udp) + sent_packets.append(udp) + + for _ in range(5): + pkt = rxq.recv(2) + if _is_udp_in_ipv6(pkt): + ether = pkt + break + else: + raise RuntimeError("UDP in IPv6 Rx error.") + + # check ethernet + if ether.dst != rx_dst_mac: + raise RuntimeError("Destination MAC error {} != {}.". + format(ether.dst, rx_dst_mac)) + print "Destination MAC: OK." + + if ether.src != rx_src_mac: + raise RuntimeError("Source MAC error {} != {}.". + format(ether.src, rx_src_mac)) + print "Source MAC: OK." + + ipv6 = ether.payload + + # check ipv6 + if ip_address(unicode(ipv6.dst)) != ip_address(unicode(rx_dst_ipv6)): + raise RuntimeError("Destination IP error {} != {}.". + format(ipv6.dst, rx_dst_ipv6)) + print "Destination IPv6: OK." + + if ip_address(unicode(ipv6.src)) != ip_address(unicode(rx_src_ipv6)): + raise RuntimeError("Source IP error {} != {}.". + format(ipv6.src, rx_src_ipv6)) + print "Source IPv6: OK." + + udp = ipv6.payload + + # check udp + if udp.dport != tx_dst_udp_port: + raise RuntimeError("UDP dport error {} != {}.". + format(udp.dport, tx_dst_udp_port)) + print "UDP dport: OK." + + if udp.sport != tx_src_udp_port: + raise RuntimeError("UDP sport error {} != {}.". + format(udp.sport, tx_src_udp_port)) + print "UDP sport: OK." + + if not _check_udp_checksum(ipv6): + raise RuntimeError("UDP checksum error.") + print "UDP checksum OK." + + sys.exit(0) + +if __name__ == "__main__": + main() diff --git a/resources/traffic_scripts/send_ipv6_udp_check_map_t.py b/resources/traffic_scripts/send_ipv6_udp_check_map_t.py new file mode 100755 index 0000000000..af117c19be --- /dev/null +++ b/resources/traffic_scripts/send_ipv6_udp_check_map_t.py @@ -0,0 +1,133 @@ +#!/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 empty UDP datagram and checks if IPv6 addresses +are correctly translate to IPv4 addresses.""" + +import sys + +from scapy.layers.l2 import Ether +from scapy.layers.inet6 import IPv6, UDP +from ipaddress import ip_address + +from resources.libraries.python.PacketVerifier import RxQueue, TxQueue +from resources.libraries.python.TrafficScriptArg import TrafficScriptArg + + +def _check_udp_checksum(pkt): + """Check UDP checksum in IP packet. Return True if checksum is correct + else False.""" + new = pkt.__class__(str(pkt)) + del new['UDP'].chksum + new = new.__class__(str(new)) + return new['UDP'].chksum == pkt['UDP'].chksum + + +def _is_udp_in_ipv4(pkt): + """If IPv4 protocol type in the given pkt is UDP, return True, + else return False. False is returned also if exception occurs.""" + ipv4_type = int('0x0800', 16) # IPv4 + try: + if pkt.type == ipv4_type: + if pkt.payload.proto == 17: # UDP + return True + except AttributeError: + return False + return False + + +def main(): # pylint: disable=too-many-statements, too-many-locals + """Main function of the script file.""" + args = TrafficScriptArg(['tx_dst_mac', 'tx_src_ipv6', 'tx_dst_ipv6', + 'tx_src_udp_port', 'rx_dst_mac', 'rx_src_mac', + 'rx_src_ipv4', 'rx_dst_ipv4']) + rx_if = args.get_arg('rx_if') + tx_if = args.get_arg('tx_if') + tx_dst_mac = args.get_arg('tx_dst_mac') + tx_src_ipv6 = args.get_arg('tx_src_ipv6') + tx_dst_ipv6 = args.get_arg('tx_dst_ipv6') + tx_src_udp_port = int(args.get_arg('tx_src_udp_port')) + tx_dst_udp_port = 20000 + rx_dst_mac = args.get_arg('rx_dst_mac') + rx_src_mac = args.get_arg('rx_src_mac') + rx_src_ipv4 = args.get_arg('rx_src_ipv4') + rx_dst_ipv4 = args.get_arg('rx_dst_ipv4') + + rxq = RxQueue(rx_if) + txq = TxQueue(tx_if) + sent_packets = [] + + # Create empty UDP datagram in IPv6 + + udp = (Ether(dst=tx_dst_mac) / + IPv6(src=tx_src_ipv6, dst=tx_dst_ipv6) / + UDP(sport=tx_src_udp_port, dport=tx_dst_udp_port) / + 'udp_payload') + + txq.send(udp) + sent_packets.append(udp) + + for _ in range(5): + pkt = rxq.recv(2) + if _is_udp_in_ipv4(pkt): + ether = pkt + break + else: + raise RuntimeError("UDP in IPv4 Rx error.") + + # check ethernet + if ether.dst != rx_dst_mac: + raise RuntimeError("Destination MAC error {} != {}.". + format(ether.dst, rx_dst_mac)) + print "Destination MAC: OK." + + if ether.src != rx_src_mac: + raise RuntimeError("Source MAC error {} != {}.". + format(ether.src, rx_src_mac)) + print "Source MAC: OK." + + ipv4 = ether.payload + + # check ipv4 + if ip_address(unicode(ipv4.dst)) != ip_address(unicode(rx_dst_ipv4)): + raise RuntimeError("Destination IPv4 error {} != {}.". + format(ipv4.dst, rx_dst_ipv4)) + print "Destination IPv4: OK." + + if ip_address(unicode(ipv4.src)) != ip_address(unicode(rx_src_ipv4)): + raise RuntimeError("Source IPv4 error {} != {}.". + format(ipv4.src, rx_src_ipv4)) + print "Source IPv4: OK." + + udp = ipv4.payload + + # check udp + if udp.dport != tx_dst_udp_port: + raise RuntimeError("UDP dport error {} != {}.". + format(udp.dport, tx_dst_udp_port)) + print "UDP dport: OK." + + if udp.sport != tx_src_udp_port: + raise RuntimeError("UDP sport error {} != {}.". + format(udp.sport, tx_src_udp_port)) + print "UDP sport: OK." + + if not _check_udp_checksum(ipv4): + raise RuntimeError("UDP checksum error.") + print "UDP checksum OK." + + sys.exit(0) + +if __name__ == "__main__": + main() diff --git a/tests/func/softwire/map_t.robot b/tests/func/softwire/map_t.robot new file mode 100644 index 0000000000..76dea10ed0 --- /dev/null +++ b/tests/func/softwire/map_t.robot @@ -0,0 +1,125 @@ +# 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/ipv4.robot +| Resource | resources/libraries/robot/ipv6.robot +| Resource | resources/libraries/robot/map.robot +| Library | resources.libraries.python.IPUtil +| Library | resources.libraries.python.Trace +| Force Tags | HW_ENV | VM_ENV | 3_NODE_DOUBLE_LINK_TOPO +| Suite 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 | *Test for Basic mapping rule for MAP-T*\ +| ... | *[Top] Network Topologies:* TG - DUT1 - TG with two links between the +| ... | nodes. +| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP on TG-to-DUT-if1. +| ... | Eth-IPv6-UDP on TG-to-DUT-if2. +| ... | *[Cfg] DUT configuration:* DUT is configured with IPv4 on one DUT-to-TG +| ... | interface and IPv6 address on second DUT-to-TG interface. MAP-T domain +| ... | is configured in test template based on test parameters. +| ... | *[Ver] TG verification:* UDP packets in IPv4 are sent by TG to +| ... | destination in MAP domain. IPv6 packets with translated IPv4 addresses +| ... | are received on TG interface. +| ... | *[Ref] Applicable standard specifications:* RFC7599 + + +*** Variables *** +| ${dut_ip4}= | 10.0.0.1 +| ${dut_ip6}= | 2001:0::1 +| ${dut_ip4_gw}= | 10.0.0.2 +| ${dut_ip6_gw}= | 2001:0::2 +| ${ipv4_prefix_len}= | 24 +| ${ipv6_prefix_len}= | 64 +| ${ipv6_br_src}= | 2001:db8:ffff::/96 + + +*** Test Cases *** +| TC01: MAP-T test +| | [Tags] | EXPECTED_FAILING +| | [Documentation] | +| | ... | Test to check map-t address translation. +| | [Setup] | Set interfaces IP addresses and routes +| | [Template] | Check MAP-T configuration with traffic script +# |===================|===============|================|============|=============|==========|===========|================|==========| +# | ipv4_pfx | ipv6_dst_pfx | ipv6_src_pfx | ea_bit_len | psid_offset | psid_len | ipv4_src | ipv4_dst | dst_port | +# |===================|===============|================|============|=============|==========|===========|================|==========| +| | 20.169.0.0/16 | 2001:db8::/32 | ${ipv6_br_src} | ${12} | ${6} | ${8} | 100.0.0.1 | 20.169.201.219 | ${1232} | +| | 20.169.0.0/16 | 2001:db8::/16 | ${ipv6_br_src} | ${40} | ${0} | ${0} | 100.0.0.1 | 20.169.201.219 | ${1232} | +| | 20.169.201.219/32 | 2001:db8::/32 | ${ipv6_br_src} | ${0} | ${0} | ${0} | 100.0.0.1 | 20.169.201.219 | ${1232} | +| | 20.0.0.0/8 | 2001:db8::/40 | ${ipv6_br_src} | ${24} | ${0} | ${0} | 100.0.0.1 | 20.169.201.219 | ${1232} | + + +*** Keywords *** +| Set interfaces IP addresses and routes +| | Path for 2-node testing is set +| | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']} +| | Interfaces in 2-node path are up +| | IP addresses are set on interfaces +| | ... | ${dut_node} | ${dut_to_tg_if1} | ${dut_ip4} | ${ipv4_prefix_len} +| | ... | ${dut_node} | ${dut_to_tg_if2} | ${dut_ip6} | ${ipv6_prefix_len} +| | Vpp Route Add | ${dut_node} | :: | 0 | ${dut_ip6_gw} | ${dut_to_tg_if2} +| | ... | resolve_attempts=${NONE} | count=${NONE} +| | Add IP neighbor | ${dut_node} | ${dut_to_tg_if2} | ${dut_ip6_gw} +| | ... | ${tg_to_dut_if2_mac} +| | Vpp Route Add | ${dut_node} | 0.0.0.0 | 0 | ${dut_ip4_gw} | ${dut_to_tg_if1} +| | ... | resolve_attempts=${NONE} | count=${NONE} +| | Add IP neighbor | ${dut_node} | ${dut_to_tg_if1} | ${dut_ip4_gw} +| | ... | ${tg_to_dut_if1_mac} + +| Check MAP-T configuration with traffic script +| | [Documentation] | +| | ... | Used as a test case template.\ +| | ... | Configure MAP-T domain with given parameters, with traffic script send +| | ... | UDP in IPv4 packet to given UDP destination port and IP destination +| | ... | address and check if correctly received IPv6 packet with translated +| | ... | source and destination addresses. Vice versa send IPv6 packet and +| | ... | check if received IPv4 packet with correct source and destination +| | ... | addresses. +| | ... | The MAP domain is deleted in teardown. +| | [Arguments] | ${ipv4_pfx} | ${ipv6_dst_pfx} | ${ipv6_src_pfx} +| | ... | ${ea_bit_len} | ${psid_offset} | ${psid_len} +| | ... | ${ipv4_outside} | ${ipv4_inside} | ${dst_port} +| | ${domain_index}= | Map Add Domain | ${dut_node} | ${ipv4_pfx} +| | ... | ${ipv6_dst_pfx} | ${ipv6_src_pfx} | ${ea_bit_len} | ${psid_offset} +| | ... | ${psid_len} | ${TRUE} +| | ${ipv6_ce_addr}= | Compute IPv6 map destination address +| | ... | ${ipv4_pfx} | ${ipv6_dst_pfx} | ${ea_bit_len} | ${psid_offset} +| | ... | ${psid_len} | ${ipv4_inside} | ${dst_port} +| | ${ipv6_br_addr}= | Compute IPv6 map source address +| | ... | ${ipv6_src_pfx} | ${ipv4_outside} +# Check translation from v4 to v6 with traffic script +| | Send IPv4 UDP and check IPv6 headers for MAP-T +| | ... | ${tg_node} | ${tg_to_dut_if1} | ${tg_to_dut_if2} +| | ... | ${dut_to_tg_if1_mac} | ${ipv4_inside} | ${ipv4_outside} | ${dst_port} +| | ... | ${tg_to_dut_if2_mac} | ${dut_to_tg_if2_mac} +| | ... | ${ipv6_ce_addr} | ${ipv6_br_addr} +# Check translation from v6 to v4 with traffic script +| | Send IPv6 UDP and check IPv4 headers for MAP-T +| | ... | ${tg_node} | ${tg_to_dut_if2} | ${tg_to_dut_if1} +| | ... | ${dut_to_tg_if2_mac} +| | ... | ${ipv6_br_addr} | ${ipv6_ce_addr} +| | ... | ${dst_port} +| | ... | ${tg_to_dut_if1_mac} | ${dut_to_tg_if1_mac} +| | ... | ${ipv4_outside} | ${ipv4_inside} +| | [Teardown] | Run Keywords +| | ... | Map Del Domain | ${dut_node} | ${domain_index} | AND +| | ... | Show packet trace on all DUTs | ${nodes} | AND +| | ... | Clear packet trace on all DUTs | ${nodes} -- 2.16.6