CSIT-32: Add Lightweight 4over6 test.

Add keywords for configure MAP domanins and rules.
Add testcase for check encapsulation IPv4 in IPv6.

Change-Id: I52f04a15d982ccba1d35ce9ade9d7f0ce8e7f286
Signed-off-by: Matej Klotton <mklotton@cisco.com>

1 files changed, 90 insertions, 0 deletions

diff --git a/tests/suites/softwire/lightweight_4over6.robot b/tests/suites/softwire/lightweight_4over6.robot
new file mode 100644
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+++ b/tests/suites/softwire/lightweight_4over6.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/ipv4.robot
+| Resource | resources/libraries/robot/ipv6.robot
+| Resource | resources/libraries/robot/map.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 | Show Packet Trace on All DUTs | ${nodes}
+| Documentation | *Lightweight 4 over 6 test cases*
+| ...
+| ... | LW4o6 is a subset of MAP-E, with per-subscriber rules. It uses the
+| ... | same tunneling mechanism and configuration as MAP-E. It does not use
+| ... | embedded address bits.
+| ...
+| ... | *[Top] Network Topologies:* TG=DUT1 2-node topology with two links
+| ... | between nodes.
+| ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP on TG_if1-DUT,
+| ... | Eth-IPv6-IPv4-UDP on TG_if2_DUT.
+| ... | *[Cfg] DUT configuration:* DUT1 is configured as lwAFTR.
+| ... | *[Ver] TG verification:* Test UDP ICMP Echo Request in IPv4 are
+| ... | sent to lwAFTR and are verified by TG for correctness their
+| ... | encapsulation in IPv6 src-addr, dst-addr and MAC addresses.
+| ... | *[Ref] Applicable standard specifications:* RFC7596 RFC7597.
+
+*** Variables ***
+| ${dut_ip4}= | 10.0.0.1
+| ${dut_ip6}= | 2001:0::1
+| ${ipv4_prefix_len}= | 24
+| ${ipv6_prefix_len}= | 64
+
+| ${lw_ipv4_pfx}= | 20.0.0.1/32
+| ${lw_ipv6_pfx}= | 2001:1::/64
+| ${lw_ipv6_src}= | 2001:1::1
+| ${lw_psid_length}= | ${8}
+| ${lw_psid_offset}= | ${6}
+| ${lw_rule_psid}= | ${52}
+| ${lw_rule_ipv6_dst}= | 2001:1::2
+| ${test_ipv4_inside}= | 20.0.0.1
+| ${test_ipv4_outside}= | 10.0.0.100
+# test_port depends on psid, length, offset
+| ${test_port}= | ${1232}
+
+*** Test Cases ***
+| TC01: Encapsulate IPv4 into IPv6. IPv6 dst depends on IPv4 and UDP destination
+| | [Documentation]
+| | ... | [Top] TG=DUT1.
+| | ... | [Enc] Eth-IPv4-UDP on TG_if1-DUT, Eth-IPv6-IPv4-UDP on TG_if2_DUT.
+| | ... | [Cfg] On DUT1 configure Map domain and Map rule.
+| | ... | [Ver] Make TG send non-encapsulated UDP to DUT; verify TG received
+| | ... |       IPv4oIPv6 encapsulated packet is correct.
+| | ... | [Ref] RFC7596 RFC7597
+| | ...
+| | Given Path for 2-node testing is set
+| |       ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']}
+| | And   Interfaces in 2-node path are up
+| | And   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}
+| | And   Add IP Neighbor
+| |       ... | ${dut_node} | ${dut_to_tg_if2} | ${lw_rule_ipv6_dst}
+| |       ... | ${tg_to_dut_if2_mac}
+| | ${domain_index}=
+| | ... | When Map Add Domain
+| |            ... | ${dut_node} | ${lw_ipv4_pfx} | ${lw_ipv6_pfx}
+| |            ... | ${lw_ipv6_src} | 0 | ${lw_psid_offset}
+| |            ... | ${lw_psid_length}
+| |       And  Map Add Rule
+| |            ... | ${dut_node} | ${domain_index} | ${lw_rule_psid}
+| |            ... | ${lw_rule_ipv6_dst}
+| | Then Send IPv4 UDP and check headers for lightweight 4over6
+| |      ... | ${tg_node} | ${tg_to_dut_if1} | ${tg_to_dut_if2}
+| |      ... | ${dut_to_tg_if1_mac} | ${test_ipv4_inside} | ${test_ipv4_outside}
+| |      ... | ${test_port} | ${tg_to_dut_if2_mac} | ${dut_to_tg_if2_mac}
+| |      ... | ${lw_rule_ipv6_dst} | ${lw_ipv6_src}