# 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 *** | Library | String | Library | resources.libraries.python.InterfaceUtil | Library | resources.libraries.python.IPsecUtil | Library | resources.libraries.python.IPUtil | Library | resources.libraries.python.IPv6Util | | Documentation | IPsec keywords. *** Keywords *** | Generate keys for IPSec | | [Documentation] | Generate keys for IPsec. | | | | ... | *Arguments:* | | ... | - crypto_alg - Encryption algorithm. Type: enum | | ... | - integ_alg - Integrity algorithm. Type: enum | | | | ... | _NOTE:_ This KW sets following test case variable: | | ... | - encr_key - Encryption key. Type: string | | ... | - auth_key - Integrity key. Type: string | | | | ... | *Example:* | | ... | \| ${encr_alg}= \| Crypto Alg AES CBC 128 \| | | ... | \| ${auth_alg}= \| Integ Alg SHA1 96 \| | | ... | \| Generate keys for IPSec \| ${encr_alg} \| ${auth_alg} \| | | | | [Arguments] | ${crypto_alg} | ${integ_alg} | | | | ${encr_key_len}= | Get Crypto Alg Key Len | ${crypto_alg} | | ${encr_key}= | Generate Random String | ${encr_key_len} | | ${auth_key_len}= | Get Integ Alg Key Len | ${integ_alg} | | ${auth_key}= | Generate Random String | ${auth_key_len} | | Set Test Variable | ${encr_key} | | Set Test Variable | ${auth_key} | Configure topology for IPv4 IPsec testing | | [Documentation] | Setup topology for IPv4 IPsec testing. | | | | ... | _NOTE:_ This KW sets following test case variable: | | ... | - dut_tun_ip - DUT tunnel IP address. Type: string | | ... | - dut_src_ip - DUT source IP address. Type: string | | ... | - tg_tun_ip - TG tunnel IP address. Type: string | | ... | - tg_src_ip - TG source IP address. Type: string | | | | ... | *Example:* | | ... | \| Configure topology for IPv4 IPsec testing \| | | | | Set interfaces in path up | | VPP Interface Set IP Address | | ... | ${dut1} | ${DUT1_${int}1}[0] | ${dut_if1_ip4} | ${ip4_plen} | | VPP Interface Set IP Address | | ... | ${dut1} | ${DUT1_${int}2}[0] | ${dut_if2_ip4} | ${ip4_plen} | | VPP Add IP Neighbor | | ... | ${dut1} | ${DUT1_${int}1}[0] | ${tg_if1_ip4} | ${TG_pf1_mac}[0] | | VPP Add IP Neighbor | | ... | ${dut1} | ${DUT1_${int}2}[0] | ${tg_if2_ip4} | ${TG_pf2_mac}[0] | | Vpp Route Add | | ... | ${dut1} | ${tg_host_ip4} | ${ip4_plen} | gateway=${tg_if1_ip4} | | ... | interface=${DUT1_${int}1}[0] | strict=${False} | | Set Test Variable | ${dut_tun_ip} | ${dut_if1_ip4} | | Set Test Variable | ${tg_tun_ip} | ${tg_if1_ip4} | | Set Test Variable | ${tg_src_ip} | ${tg_host_ip4} | | Set Test Variable | ${tg_dst_ip} | ${tg_if2_ip4} | Configure topology for IPv6 IPsec testing | | [Documentation] | Setup topology fo IPv6 IPsec testing. | | | | ... | _NOTE:_ This KW sets following test case variable: | | ... | - dut_tun_ip - DUT tunnel IP address. Type: string | | ... | - dut_src_ip - DUT source IP address. Type: string | | ... | - tg_tun_ip - TG tunnel IP address. Type: string | | ... | - tg_src_ip - TG source IP address. Type: string | | | | ... | *Example:* | | ... | \| Configure topology for IPv6 IPsec testing \| | | | | Set interfaces in path up | | VPP Interface Set IP Address | | ... | ${dut1} | ${DUT1_${int}1}[0] | ${dut_if1_ip6} | ${ip6_plen} | | VPP Interface Set IP Address | | ... | ${dut1} | ${DUT1_${int}2}[0] | ${dut_if2_ip6} | ${ip6_plen} | | VPP Add IP Neighbor | | ... | ${dut1} | ${DUT1_${int}1}[0] | ${tg_if1_ip6} | ${TG_pf1_mac}[0] | | VPP Add IP Neighbor | | ... | ${dut1} | ${DUT1_${int}2}[0] | ${tg_if2_ip6} | ${TG_pf2_mac}[0] | | Vpp Interfaces RA Suppress On All Nodes | ${nodes} | | Vpp Route Add | | ... | ${dut1} | ${tg_host_ip6} | ${ip6_plen_rt} | gateway=${tg_if1_ip6} | | ... | interface=${DUT1_${int}1}[0] | | Set Test Variable | ${dut_tun_ip} | ${dut_if1_ip6} | | Set Test Variable | ${tg_tun_ip} | ${tg_if1_ip6} | | Set Test Variable | ${tg_src_ip} | ${tg_host_ip6} | | Set Test Variable | ${tg_dst_ip} | ${tg_if2_ip6} | Configure manual keyed connection for IPSec | | [Documentation] | Setup IPsec manual keyed connection on VPP node. | | | | ... | *Arguments:* | | ... | - node - VPP node to setup IPsec on. Type: dictionary | | ... | - interface - Interface to enable IPsec on. Type: string | | ... | - crypto_alg - Encrytion algorithm. Type: enum | | ... | - crypto_key - Encryption key. Type: string | | ... | - integ_alg - Integrity algorithm. Type: enum | | ... | - integ_key - Integrity key. Type: string | | ... | - l_spi - Local SPI. Type: integer | | ... | - r_spi - Remote SPI. Type: integer | | ... | - l_ip - Local IP address. Type: string | | ... | - r_ip - Remote IP address. Type: string | | ... | - l_tunnel - Local tunnel IP address (optional). Type: string | | ... | - r_tunnel - Remote tunnel IP address (optional). Type: string | | | | ... | _NOTE:_ This KW sets following test case variables: | | ... | - l_sa_id | | ... | - r_sa_id | | | | ... | *Example:* | | ... | \| ${encr_alg}= \| Crypto Alg AES CBC 128 \| | | ... | \| ${auth_alg}= \| Integ Alg SHA1 96 \| | | ... | \| Configure manual keyed connection for IPSec \| ${nodes['DUT1']} \ | | ... | \| GigabitEthernet0/8/0 \| ${encr_alg} \| sixteenbytes_key \ | | ... | \| ${auth_alg} \| twentybytessecretkey \| ${1000} \| ${1001} \ | | ... | \| 192.168.4.4 \| 192.168.3.3 \| 192.168.100.3 \| 192.168.100.2 \| | | | | [Arguments] | ${node} | ${interface} | ${crypto_alg} | ${crypto_key} | | ... | ${integ_alg} | ${integ_key} | ${l_spi} | ${r_spi} | ${l_ip} | | ... | ${r_ip} | ${l_tunnel}=${None} | ${r_tunnel}=${None} | | ... | ${is_ipv6}=${FALSE} | | | | Set Test Variable | ${l_sa_id} | ${10} | | Set Test Variable | ${r_sa_id} | ${20} | | ${spd_id}= | Set Variable | ${1} | | ${p_hi}= | Set Variable | ${100} | | ${p_lo}= | Set Variable | ${10} | | VPP IPsec Add SAD Entry | ${node} | ${l_sa_id} | ${l_spi} | ${crypto_alg} | | ... | ${crypto_key} | ${integ_alg} | ${integ_key} | | ... | ${l_tunnel} | ${r_tunnel} | | VPP IPsec Add SAD Entry | ${node} | ${r_sa_id} | ${r_spi} | ${crypto_alg} | | ... | ${crypto_key} | ${integ_alg} | ${integ_key} | | ... | ${r_tunnel} | ${l_tunnel} | | VPP IPsec Add SPD | ${node} | ${spd_id} | | VPP IPsec SPD Add If | ${node} | ${spd_id} | ${interface} | | ${action}= | Policy Action Bypass | | VPP IPsec Add SPD Entry | ${node} | ${spd_id} | ${p_hi} | ${action} | | ... | inbound=${TRUE} | proto=${ESP_PROTO} | is_ipv6=${is_ipv6} | | ... | laddr_range=${tg_tun_ip} | raddr_range=${dut_tun_ip} | | VPP IPsec Add SPD Entry | ${node} | ${spd_id} | ${p_hi} | ${action} | | ... | inbound=${FALSE} | proto=${ESP_PROTO} | is_ipv6=${is_ipv6} | | ... | laddr_range=${dut_tun_ip} | raddr_range=${tg_tun_ip} | | ${action}= | Policy Action Protect | | VPP IPsec Add SPD Entry | ${node} | ${spd_id} | ${p_lo} | ${action} | | ... | sa_id=${r_sa_id} | laddr_range=${l_ip} | | ... | raddr_range=${r_ip} | inbound=${TRUE} | | VPP IPsec Add SPD Entry | ${node} | ${spd_id} | ${p_lo} | ${action} | | ... | sa_id=${l_sa_id} | laddr_range=${l_ip} | | ... | raddr_range=${r_ip} | inbound=${FALSE} | Initialize IPSec in 3-node circular topology | | [Documentation] | | ... | Set UP state on VPP interfaces in path on nodes in 3-node circular | | ... | topology. Get the interface MAC addresses and setup ARP on VPP | | ... | interfaces towards TG. Setup IPv4 addresses with /24 prefix on DUT-TG | | ... | links. Set routing for decrypted traffic on both DUT nodes | | ... | with prefix /8 and next hop of neighbour TG interface IPv4 address. | | | | Set interfaces in path up | | VPP Interface Set IP Address | | ... | ${dut1} | ${DUT1_${int}1}[0] | ${dut1_if1_ip4} | 24 | | VPP Interface Set IP Address | | ... | ${dut2} | ${DUT2_${int}2}[0] | ${dut2_if2_ip4} | 24 | | VPP Add IP Neighbor | | ... | ${dut1} | ${DUT1_${int}1}[0] | ${tg_if1_ip4} | ${TG_pf1_mac}[0] | | VPP Add IP Neighbor | | ... | ${dut2} | ${DUT2_${int}2}[0] | ${tg_if2_ip4} | ${TG_pf2_mac}[0] | | Vpp Route Add | ${dut1} | ${laddr_ip4} | 8 | gateway=${tg_if1_ip4} | | ... | interface=${DUT1_${int}1}[0] | | Vpp Route Add | ${dut2} | ${raddr_ip4} | 8 | gateway=${tg_if2_ip4} | | ... | interface=${DUT2_${int}2}[0] | Initialize IPSec in 3-node circular container topology | | [Documentation] | | ... | Set UP state on VPP interfaces in path on nodes in 3-node circular | | ... | topology. Get the interface MAC addresses and setup ARP on all VPP | | ... | interfaces. Setup IPv4 addresses with /24 prefix on DUT-TG and | | ... | DUT1-DUT2 links. Set routing for encrypted traffic on both DUT nodes | | ... | with prefix /8 and next hop of neighbour DUT or TG interface IPv4 | | ... | address. | | | | Set interfaces in path up on DUT | DUT1 | | VPP Interface Set IP Address | | ... | ${dut1} | ${DUT1_${int}1}[0] | ${dut1_if1_ip4} | 24 | | VPP Add IP Neighbor | | ... | ${dut1} | ${DUT1_${int}1}[0] | ${tg_if1_ip4} | ${TG_pf1_mac}[0] | | Vpp Route Add | | ... | ${dut1} | ${laddr_ip4} | 8 | gateway=${tg_if1_ip4} | | ... | interface=${DUT1_${int}1}[0] | Initialize IPSec in 2-node circular topology | | [Documentation] | | ... | Set UP state on VPP interfaces in path on node in 2-node circular | | ... | topology. Get the interface MAC address and setup ARP on VPP | | ... | interface towards TG. Setup IPv4 address with /24 prefix on one | | ... | DUT-TG link. Set routing for decrypted traffic on DUT | | ... | with prefix /8 and next hop of neighbour TG interface IPv4 address. | | | | Set interfaces in path up | | VPP Interface Set IP Address | | ... | ${dut1} | ${DUT1_${int}1}[0] | ${dut1_if1_ip4} | 24 | | VPP Add IP Neighbor | | ... | ${dut1} | ${DUT1_${int}1}[0] | ${tg_if1_ip4} | ${TG_pf1_mac}[0] | | Vpp Route Add | | ... | ${dut1} | ${laddr_ip4} | 8 | gateway=${tg_if1_ip4} | | ... | interface=${DUT1_${int}1}[0] | Enable IPSec Async Mode on all VPP DUTs | | [Documentation] | | ... | Set IPsec async mode on for all DUT nodes. | | | | FOR | ${dut} | IN | @{duts} | | | VPP Ipsec Set Async Mode | ${nodes['${dut}']} | | END | Set Data Plane And Feature Plane Workers for IPsec on all VPP DUTs | | [Documentation] | | ... | Disable crypto work for specified data plane CPU cores | | ... | on all DUT nodes (leaving feature plane workers enabled). | | ... | Set Round Robin interface RX placement on data plane CPU cores | | ... | on all DUT nodes (leaving feature plane workers disabled). | | | | VPP Round Robin Rx Placement on all DUTs | | ... | ${nodes} | prefix=${EMPTY} | workers=${cpu_dp} | | VPP IPSec Crypto SW Scheduler Set Worker on all DUTs | | ... | ${nodes} | workers=${cpu_dp} | crypto_enable=${False} | Enable SPD flow cache IPv4 Outbound | | [Documentation] | | ... | Enable IPv4 Outbound SPD flow cache in VPP configuration file. | | | | FOR | ${dut} | IN | @{duts} | | | Run Keyword | ${dut}.Add IPsec SPD Flow cache IPv4 Outbound | on | | END | Enable IPsec SPD Fast Path IPv4 Outbound | | [Documentation] | | ... | Enable IPsec SPD fast path IPv4 outbound in VPP configuration file. | | | | ... | *Arguments:* | | ... | - value - The number buckets for spd fast path. Type: int | | | | [Arguments] | ${value} | | | | FOR | ${dut} | IN | @{duts} | | | Run Keyword | ${dut}.Add IPsec SPD Flow cache IPv4 Outbound | off | | | Run Keyword | ${dut}.Add IPsec SPD Fast Path IPv4 Outbound | on | | | Run Keyword | ${dut}.Add IPsec SPD Fast Path Num Buckets | ${value} | | END