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# Copyright (c) 2023 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/shared/default.robot
| Resource | resources/libraries/robot/crypto/ipsec.robot
|
| Force Tags | 3_NODE_SINGLE_LINK_TOPO | PERFTEST | HW_ENV | NDRPDR | TNL_1
| ... | IP4FWD | IPSEC | IPSECHW | IPSECINT | NIC_Intel-X710 | BASE
| ... | AES_128_CBC | HMAC_SHA_512 | HMAC | AES | DRV_VFIO_PCI
| ... | RXQ_SIZE_0 | TXQ_SIZE_0
| ... | ethip4ipsec1tnlhw-ip4base-int-aes128cbc-hmac512sha
|
| Suite Setup | Setup suite topology interfaces | performance | cryptohw
| Suite Teardown | Tear down suite | performance
| Test Setup | Setup test | performance
| Test Teardown | Tear down test | performance | ipsec_sa
|
| Test Template | Local Template
|
| Documentation | **RFC2544: Pkt throughput IPv4 IPsec tunnel mode.**
| ... |
| ... | - **[Top] Network Topologies:** TG-DUT1-DUT2-TG 3-node circular \
| ... | topology with single links between nodes.
| ... |
| ... | - **[Enc] Packet Encapsulations:** Eth-IPv4 on TG-DUTn, \
| ... | Eth-IPv4-IPSec on DUT1-DUT2.
| ... |
| ... | - **[Cfg] DUT configuration:** DUT1 and DUT2 are configured with \
| ... | multiple IPsec tunnels between them. DUTs get IPv4 traffic from TG, \
| ... | encrypt it and send to another DUT, where packets are decrypted and \
| ... | sent back to TG.
| ... |
| ... | - **[Ver] TG verification:** TG finds and reports throughput NDR (Non \
| ... | Drop Rate) with zero packet loss tolerance and throughput PDR \
| ... | (Partial Drop Rate) with non-zero packet loss tolerance (LT) \
| ... | expressed in percentage of packets transmitted. NDR and PDR are \
| ... | discovered for different Ethernet L2 frame sizes using MLRsearch \
| ... | library.
| ... | Test packets are generated by TG on \
| ... | links to DUTs. TG traffic profile contains two L3 flow-groups \
| ... | (flow-group per direction, number of flows per flow-group equals to \
| ... | number of IPSec tunnels) with all packets \
| ... | containing Ethernet header, IPv4 header with IP protocol=61 and \
| ... | static payload. MAC addresses are matching MAC addresses of the TG \
| ... | node interfaces. Incrementing of IP.dst (IPv4 destination address) \
| ... | is applied to both streams.
| ... |
| ... | - **[Ref] Applicable standard specifications:** RFC4303 and RFC2544.

*** Variables ***
| @{plugins_to_enable}= | dpdk_plugin.so | perfmon_plugin.so
| ... | crypto_native_plugin.so
| ... | crypto_ipsecmb_plugin.so | crypto_openssl_plugin.so
| ${crypto_type}= | HW_DH895xcc
| ${nic_name}= | Intel-X710
| ${nic_driver}= | vfio-pci
| ${nic_rxq_size}= | 0
| ${nic_txq_size}= | 0
| ${nic_pfs}= | 2
| ${nic_vfs}= | 0
| ${osi_layer}= | L3
| ${overhead}= | ${78}
| ${tg_if1_ip4}= | 192.168.10.254
| ${dut1_if1_ip4}= | 192.168.10.11
| ${dut1_if2_ip4}= | 100.0.0.1
| ${dut2_if1_ip4}= | 200.0.0.102
| ${dut2_if2_ip4}= | 192.168.20.11
| ${tg_if2_ip4}= | 192.168.20.254
| ${raddr_ip4}= | 20.0.0.0
| ${laddr_ip4}= | 10.0.0.0
| ${addr_range}= | ${24}
| ${n_tunnels}= | ${1}
# Traffic profile:
| ${traffic_profile}= | trex-stl-ethip4-ip4dst${n_tunnels}

*** Keywords ***
| Local Template
| | [Documentation]
| | ... | - **[Cfg]** DUT runs IPSec tunneling AES_128_CBC / HMAC_SHA_512 \
| | ... | config. Each DUT uses ${phy_cores} physical core(s) for worker \
| | ... | threads.
| | ... | - **[Ver]** Measure NDR and PDR values using MLRsearch algorithm.
| |
| | ... | *Arguments:*
| | ... | - frame_size - Framesize in Bytes in integer or string (IMIX_v4_1).
| | ... | Type: integer, string
| | ... | - phy_cores - Number of physical cores. Type: integer
| | ... | - rxq - Number of RX queues, default value: ${None}. Type: integer
| |
| | [Arguments] | ${frame_size} | ${phy_cores} | ${rxq}=${None}
| |
| | Set Test Variable | \${frame_size}
| |
| | # These are enums (not strings) so they cannot be in Variables table.
| | ${encr_alg}= | Crypto Alg AES CBC 128
| | ${auth_alg}= | Integ Alg SHA 512 256
| |
| | Given Set Max Rate And Jumbo
| | And Add worker threads to all DUTs | ${phy_cores} | ${rxq}
| | And Pre-initialize layer driver | ${nic_driver}
| | And Apply startup configuration on all VPP DUTs
| | When Initialize layer driver | ${nic_driver}
| | And Initialize layer interface
| | And Initialize IPSec in 3-node circular topology
| | And VPP IPsec Create Tunnel Interfaces
| | ... | ${nodes} | ${dut1_if2_ip4} | ${dut2_if1_ip4} | ${DUT1_${int}2}[0]
| | ... | ${DUT2_${int}1}[0] | ${n_tunnels} | ${encr_alg} | ${auth_alg}
| | ... | ${laddr_ip4} | ${raddr_ip4} | ${addr_range}
| | Then Find NDR and PDR intervals using optimized search

*** Test Cases ***
| 64B-1c-ethip4ipsec1tnlhw-ip4base-int-aes128cbc-hmac512sha-ndrpdr
| | [Tags] | 64B | 1C
| | frame_size=${64} | phy_cores=${1}

| 64B-2c-ethip4ipsec1tnlhw-ip4base-int-aes128cbc-hmac512sha-ndrpdr
| | [Tags] | 64B | 2C
| | frame_size=${64} | phy_cores=${2}

| 64B-4c-ethip4ipsec1tnlhw-ip4base-int-aes128cbc-hmac512sha-ndrpdr
| | [Tags] | 64B | 4C
| | frame_size=${64} | phy_cores=${4}

| 1518B-1c-ethip4ipsec1tnlhw-ip4base-int-aes128cbc-hmac512sha-ndrpdr
| | [Tags] | 1518B | 1C
| | frame_size=${1518} | phy_cores=${1}

| 1518B-2c-ethip4ipsec1tnlhw-ip4base-int-aes128cbc-hmac512sha-ndrpdr
| | [Tags] | 1518B | 2C
| | frame_size=${1518} | phy_cores=${2}

| 1518B-4c-ethip4ipsec1tnlhw-ip4base-int-aes128cbc-hmac512sha-ndrpdr
| | [Tags] | 1518B | 4C
| | frame_size=${1518} | phy_cores=${4}

| 9000B-1c-ethip4ipsec1tnlhw-ip4base-int-aes128cbc-hmac512sha-ndrpdr
| | [Tags] | 9000B | 1C
| | frame_size=${9000} | phy_cores=${1}

| 9000B-2c-ethip4ipsec1tnlhw-ip4base-int-aes128cbc-hmac512sha-ndrpdr
| | [Tags] | 9000B | 2C
| | frame_size=${9000} | phy_cores=${2}

| 9000B-4c-ethip4ipsec1tnlhw-ip4base-int-aes128cbc-hmac512sha-ndrpdr
| | [Tags] | 9000B | 4C
| | frame_size=${9000} | phy_cores=${4}

| IMIX-1c-ethip4ipsec1tnlhw-ip4base-int-aes128cbc-hmac512sha-ndrpdr
| | [Tags] | IMIX | 1C
| | frame_size=IMIX_v4_1 | phy_cores=${1}

| IMIX-2c-ethip4ipsec1tnlhw-ip4base-int-aes128cbc-hmac512sha-ndrpdr
| | [Tags] | IMIX | 2C
| | frame_size=IMIX_v4_1 | phy_cores=${2}

| IMIX-4c-ethip4ipsec1tnlhw-ip4base-int-aes128cbc-hmac512sha-ndrpdr
| | [Tags] | IMIX | 4C
| | frame_size=IMIX_v4_1 | phy_cores=${4}
= cls.pg_interfaces[0] cls.pg_if_o = cls.pg_interfaces[1] cls.pg_if_i.config_ip6() cls.pg_if_o.config_ip6() cls.ip6_nhop = cls.pg_if_o.remote_ip6 cls.ip6_dst = "1111:2222:aaaa:bbbb:cccc:dddd:eeee:ffff" cls.ip6_src = "1111:2222::1" for pg_if in cls.pg_interfaces: pg_if.admin_up() pg_if.resolve_ndp(timeout=5) except Exception: super(TestSRv6uSIDFlexSRH, cls).tearDownClass() raise def create_packets(self, inner): ip6_dst = IPv6Address(str(self.ip6_dst)) ip6_src = IPv6Address(str(self.ip6_src)) self.logger.info("ip6 dst: {}".format(ip6_dst)) self.logger.info("ip6 src: {}".format(ip6_src)) pkts = list() for d, s in inner: pkt = ( Ether() / IPv6(dst=str(ip6_dst), src=str(ip6_src)) / IPv6ExtHdrSegmentRouting( segleft=1, lastentry=0, tag=0, addresses=["a1::1", "1111:2222:aaaa:bbbb::"], ) / IPv6(dst=d, src=s) / UDP(sport=1000, dport=23) ) self.logger.info(pkt.show2(dump=True)) pkts.append(pkt) return pkts def test_srv6_usid_flex_srh(self): """test_srv6_usid_flex_srh""" pkts = self.create_packets([("A::1", "B::1"), ("C::1", "D::1")]) self.vapi.cli("set sr encaps source addr A1::1") self.vapi.cli("sr localsid prefix 1111:2222:aaaa::/48 behavior un.flex 16") self.vapi.cli("ip route add 1111:2222:bbbb::/48 via {}".format(self.ip6_nhop)) self.logger.info(self.vapi.cli("show sr localsids")) self.vapi.cli("clear errors") self.pg0.add_stream(pkts) self.pg_enable_capture(self.pg_interfaces) self.pg_start() self.logger.info(self.vapi.cli("show errors")) self.logger.info(self.vapi.cli("show int address")) capture = self.pg1.get_capture(len(pkts)) for pkt in capture: self.logger.info(pkt.show2(dump=True)) self.assertEqual(pkt[IPv6].dst, "1111:2222:bbbb:cccc:dddd:eeee:ffff:0") class TestSRv6uSIDFlex(VppTestCase): """SRv6 End.uSID.Flex w/o SRH""" @classmethod def setUpClass(cls): super(TestSRv6uSIDFlex, cls).setUpClass() try: cls.create_pg_interfaces(range(2)) cls.pg_if_i = cls.pg_interfaces[0] cls.pg_if_o = cls.pg_interfaces[1] cls.pg_if_i.config_ip6() cls.pg_if_o.config_ip6() cls.ip6_nhop = cls.pg_if_o.remote_ip6 cls.ip6_dst = "1111:2222:aaaa:bbbb:cccc:dddd:eeee:ffff" cls.ip6_src = "1111:2222::1" for pg_if in cls.pg_interfaces: pg_if.admin_up() pg_if.resolve_ndp(timeout=5) except Exception: super(TestSRv6uSIDFlex, cls).tearDownClass() raise def create_packets(self, inner): ip6_dst = IPv6Address(str(self.ip6_dst)) ip6_src = IPv6Address(str(self.ip6_src)) self.logger.info("ip6 dst: {}".format(ip6_dst)) self.logger.info("ip6 src: {}".format(ip6_src)) pkts = list() for d, s in inner: pkt = ( Ether() / IPv6(dst=str(ip6_dst), src=str(ip6_src)) / IPv6(dst=d, src=s) / UDP(sport=1000, dport=23) ) self.logger.info(pkt.show2(dump=True)) pkts.append(pkt) return pkts def test_srv6_usid_flex(self): """test_srv6_usid_flex""" pkts = self.create_packets([("A::1", "B::1"), ("C::1", "D::1")]) self.vapi.cli("set sr encaps source addr A1::1") self.vapi.cli("sr localsid prefix 1111:2222:aaaa::/48 behavior un.flex 16") self.vapi.cli("ip route add 1111:2222:bbbb::/48 via {}".format(self.ip6_nhop)) self.logger.info(self.vapi.cli("show sr localsids")) self.vapi.cli("clear errors") self.pg0.add_stream(pkts) self.pg_enable_capture(self.pg_interfaces) self.pg_start() self.logger.info(self.vapi.cli("show errors")) self.logger.info(self.vapi.cli("show int address")) capture = self.pg1.get_capture(len(pkts)) for pkt in capture: self.logger.info(pkt.show2(dump=True)) self.assertEqual(pkt[IPv6].dst, "1111:2222:bbbb:cccc:dddd:eeee:ffff:0")