12195444eSAndrea Mayer#!/bin/bash 22195444eSAndrea Mayer# SPDX-License-Identifier: GPL-2.0 32195444eSAndrea Mayer# 42195444eSAndrea Mayer# author: Andrea Mayer <andrea.mayer@uniroma2.it> 52195444eSAndrea Mayer 62195444eSAndrea Mayer# This test is designed for evaluating the new SRv6 End.DT4 behavior used for 72195444eSAndrea Mayer# implementing IPv4 L3 VPN use cases. 82195444eSAndrea Mayer# 92195444eSAndrea Mayer# Hereafter a network diagram is shown, where two different tenants (named 100 102195444eSAndrea Mayer# and 200) offer IPv4 L3 VPN services allowing hosts to communicate with each 112195444eSAndrea Mayer# other across an IPv6 network. 122195444eSAndrea Mayer# 132195444eSAndrea Mayer# Only hosts belonging to the same tenant (and to the same VPN) can communicate 142195444eSAndrea Mayer# with each other. Instead, the communication among hosts of different tenants 152195444eSAndrea Mayer# is forbidden. 162195444eSAndrea Mayer# In other words, hosts hs-t100-1 and hs-t100-2 are connected through the IPv4 172195444eSAndrea Mayer# L3 VPN of tenant 100 while hs-t200-3 and hs-t200-4 are connected using the 182195444eSAndrea Mayer# IPv4 L3 VPN of tenant 200. Cross connection between tenant 100 and tenant 200 192195444eSAndrea Mayer# is forbidden and thus, for example, hs-t100-1 cannot reach hs-t200-3 and vice 202195444eSAndrea Mayer# versa. 212195444eSAndrea Mayer# 222195444eSAndrea Mayer# Routers rt-1 and rt-2 implement IPv4 L3 VPN services leveraging the SRv6 232195444eSAndrea Mayer# architecture. The key components for such VPNs are: a) SRv6 Encap behavior, 242195444eSAndrea Mayer# b) SRv6 End.DT4 behavior and c) VRF. 252195444eSAndrea Mayer# 262195444eSAndrea Mayer# To explain how an IPv4 L3 VPN based on SRv6 works, let us briefly consider an 272195444eSAndrea Mayer# example where, within the same domain of tenant 100, the host hs-t100-1 pings 282195444eSAndrea Mayer# the host hs-t100-2. 292195444eSAndrea Mayer# 302195444eSAndrea Mayer# First of all, L2 reachability of the host hs-t100-2 is taken into account by 312195444eSAndrea Mayer# the router rt-1 which acts as an arp proxy. 322195444eSAndrea Mayer# 332195444eSAndrea Mayer# When the host hs-t100-1 sends an IPv4 packet destined to hs-t100-2, the 342195444eSAndrea Mayer# router rt-1 receives the packet on the internal veth-t100 interface. Such 352195444eSAndrea Mayer# interface is enslaved to the VRF vrf-100 whose associated table contains the 362195444eSAndrea Mayer# SRv6 Encap route for encapsulating any IPv4 packet in a IPv6 plus the Segment 372195444eSAndrea Mayer# Routing Header (SRH) packet. This packet is sent through the (IPv6) core 382195444eSAndrea Mayer# network up to the router rt-2 that receives it on veth0 interface. 392195444eSAndrea Mayer# 402195444eSAndrea Mayer# The rt-2 router uses the 'localsid' routing table to process incoming 412195444eSAndrea Mayer# IPv6+SRH packets which belong to the VPN of the tenant 100. For each of these 422195444eSAndrea Mayer# packets, the SRv6 End.DT4 behavior removes the outer IPv6+SRH headers and 432195444eSAndrea Mayer# performs the lookup on the vrf-100 table using the destination address of 442195444eSAndrea Mayer# the decapsulated IPv4 packet. Afterwards, the packet is sent to the host 452195444eSAndrea Mayer# hs-t100-2 through the veth-t100 interface. 462195444eSAndrea Mayer# 472195444eSAndrea Mayer# The ping response follows the same processing but this time the role of rt-1 482195444eSAndrea Mayer# and rt-2 are swapped. 492195444eSAndrea Mayer# 502195444eSAndrea Mayer# Of course, the IPv4 L3 VPN for tenant 200 works exactly as the IPv4 L3 VPN 512195444eSAndrea Mayer# for tenant 100. In this case, only hosts hs-t200-3 and hs-t200-4 are able to 522195444eSAndrea Mayer# connect with each other. 532195444eSAndrea Mayer# 542195444eSAndrea Mayer# 552195444eSAndrea Mayer# +-------------------+ +-------------------+ 562195444eSAndrea Mayer# | | | | 572195444eSAndrea Mayer# | hs-t100-1 netns | | hs-t100-2 netns | 582195444eSAndrea Mayer# | | | | 592195444eSAndrea Mayer# | +-------------+ | | +-------------+ | 602195444eSAndrea Mayer# | | veth0 | | | | veth0 | | 612195444eSAndrea Mayer# | | 10.0.0.1/24 | | | | 10.0.0.2/24 | | 622195444eSAndrea Mayer# | +-------------+ | | +-------------+ | 632195444eSAndrea Mayer# | . | | . | 642195444eSAndrea Mayer# +-------------------+ +-------------------+ 652195444eSAndrea Mayer# . . 662195444eSAndrea Mayer# . . 672195444eSAndrea Mayer# . . 682195444eSAndrea Mayer# +-----------------------------------+ +-----------------------------------+ 692195444eSAndrea Mayer# | . | | . | 702195444eSAndrea Mayer# | +---------------+ | | +---------------- | 712195444eSAndrea Mayer# | | veth-t100 | | | | veth-t100 | | 722195444eSAndrea Mayer# | | 10.0.0.254/24 | +----------+ | | +----------+ | 10.0.0.254/24 | | 732195444eSAndrea Mayer# | +-------+-------+ | localsid | | | | localsid | +-------+-------- | 742195444eSAndrea Mayer# | | | table | | | | table | | | 752195444eSAndrea Mayer# | +----+----+ +----------+ | | +----------+ +----+----+ | 762195444eSAndrea Mayer# | | vrf-100 | | | | vrf-100 | | 772195444eSAndrea Mayer# | +---------+ +------------+ | | +------------+ +---------+ | 782195444eSAndrea Mayer# | | veth0 | | | | veth0 | | 792195444eSAndrea Mayer# | | fd00::1/64 |.|...|.| fd00::2/64 | | 802195444eSAndrea Mayer# | +---------+ +------------+ | | +------------+ +---------+ | 812195444eSAndrea Mayer# | | vrf-200 | | | | vrf-200 | | 822195444eSAndrea Mayer# | +----+----+ | | +----+----+ | 832195444eSAndrea Mayer# | | | | | | 842195444eSAndrea Mayer# | +-------+-------+ | | +-------+-------- | 852195444eSAndrea Mayer# | | veth-t200 | | | | veth-t200 | | 862195444eSAndrea Mayer# | | 10.0.0.254/24 | | | | 10.0.0.254/24 | | 872195444eSAndrea Mayer# | +---------------+ rt-1 netns | | rt-2 netns +---------------- | 882195444eSAndrea Mayer# | . | | . | 892195444eSAndrea Mayer# +-----------------------------------+ +-----------------------------------+ 902195444eSAndrea Mayer# . . 912195444eSAndrea Mayer# . . 922195444eSAndrea Mayer# . . 932195444eSAndrea Mayer# . . 942195444eSAndrea Mayer# +-------------------+ +-------------------+ 952195444eSAndrea Mayer# | . | | . | 962195444eSAndrea Mayer# | +-------------+ | | +-------------+ | 972195444eSAndrea Mayer# | | veth0 | | | | veth0 | | 982195444eSAndrea Mayer# | | 10.0.0.3/24 | | | | 10.0.0.4/24 | | 992195444eSAndrea Mayer# | +-------------+ | | +-------------+ | 1002195444eSAndrea Mayer# | | | | 1012195444eSAndrea Mayer# | hs-t200-3 netns | | hs-t200-4 netns | 1022195444eSAndrea Mayer# | | | | 1032195444eSAndrea Mayer# +-------------------+ +-------------------+ 1042195444eSAndrea Mayer# 1052195444eSAndrea Mayer# 1062195444eSAndrea Mayer# ~~~~~~~~~~~~~~~~~~~~~~~~~ 1072195444eSAndrea Mayer# | Network configuration | 1082195444eSAndrea Mayer# ~~~~~~~~~~~~~~~~~~~~~~~~~ 1092195444eSAndrea Mayer# 1102195444eSAndrea Mayer# rt-1: localsid table (table 90) 1112195444eSAndrea Mayer# +-------------------------------------------------+ 1122195444eSAndrea Mayer# |SID |Action | 1132195444eSAndrea Mayer# +-------------------------------------------------+ 1142195444eSAndrea Mayer# |fc00:21:100::6004|apply SRv6 End.DT4 vrftable 100| 1152195444eSAndrea Mayer# +-------------------------------------------------+ 1162195444eSAndrea Mayer# |fc00:21:200::6004|apply SRv6 End.DT4 vrftable 200| 1172195444eSAndrea Mayer# +-------------------------------------------------+ 1182195444eSAndrea Mayer# 1192195444eSAndrea Mayer# rt-1: VRF tenant 100 (table 100) 1202195444eSAndrea Mayer# +---------------------------------------------------+ 1212195444eSAndrea Mayer# |host |Action | 1222195444eSAndrea Mayer# +---------------------------------------------------+ 1232195444eSAndrea Mayer# |10.0.0.2 |apply seg6 encap segs fc00:12:100::6004| 1242195444eSAndrea Mayer# +---------------------------------------------------+ 1252195444eSAndrea Mayer# |10.0.0.0/24|forward to dev veth_t100 | 1262195444eSAndrea Mayer# +---------------------------------------------------+ 1272195444eSAndrea Mayer# 1282195444eSAndrea Mayer# rt-1: VRF tenant 200 (table 200) 1292195444eSAndrea Mayer# +---------------------------------------------------+ 1302195444eSAndrea Mayer# |host |Action | 1312195444eSAndrea Mayer# +---------------------------------------------------+ 1322195444eSAndrea Mayer# |10.0.0.4 |apply seg6 encap segs fc00:12:200::6004| 1332195444eSAndrea Mayer# +---------------------------------------------------+ 1342195444eSAndrea Mayer# |10.0.0.0/24|forward to dev veth_t200 | 1352195444eSAndrea Mayer# +---------------------------------------------------+ 1362195444eSAndrea Mayer# 1372195444eSAndrea Mayer# 1382195444eSAndrea Mayer# rt-2: localsid table (table 90) 1392195444eSAndrea Mayer# +-------------------------------------------------+ 1402195444eSAndrea Mayer# |SID |Action | 1412195444eSAndrea Mayer# +-------------------------------------------------+ 1422195444eSAndrea Mayer# |fc00:12:100::6004|apply SRv6 End.DT4 vrftable 100| 1432195444eSAndrea Mayer# +-------------------------------------------------+ 1442195444eSAndrea Mayer# |fc00:12:200::6004|apply SRv6 End.DT4 vrftable 200| 1452195444eSAndrea Mayer# +-------------------------------------------------+ 1462195444eSAndrea Mayer# 1472195444eSAndrea Mayer# rt-2: VRF tenant 100 (table 100) 1482195444eSAndrea Mayer# +---------------------------------------------------+ 1492195444eSAndrea Mayer# |host |Action | 1502195444eSAndrea Mayer# +---------------------------------------------------+ 1512195444eSAndrea Mayer# |10.0.0.1 |apply seg6 encap segs fc00:21:100::6004| 1522195444eSAndrea Mayer# +---------------------------------------------------+ 1532195444eSAndrea Mayer# |10.0.0.0/24|forward to dev veth_t100 | 1542195444eSAndrea Mayer# +---------------------------------------------------+ 1552195444eSAndrea Mayer# 1562195444eSAndrea Mayer# rt-2: VRF tenant 200 (table 200) 1572195444eSAndrea Mayer# +---------------------------------------------------+ 1582195444eSAndrea Mayer# |host |Action | 1592195444eSAndrea Mayer# +---------------------------------------------------+ 1602195444eSAndrea Mayer# |10.0.0.3 |apply seg6 encap segs fc00:21:200::6004| 1612195444eSAndrea Mayer# +---------------------------------------------------+ 1622195444eSAndrea Mayer# |10.0.0.0/24|forward to dev veth_t200 | 1632195444eSAndrea Mayer# +---------------------------------------------------+ 1642195444eSAndrea Mayer# 1652195444eSAndrea Mayer 1667844ec21SPo-Hsu Lin# Kselftest framework requirement - SKIP code is 4. 1677844ec21SPo-Hsu Linksft_skip=4 1687844ec21SPo-Hsu Lin 1692195444eSAndrea Mayerreadonly LOCALSID_TABLE_ID=90 1702195444eSAndrea Mayerreadonly IPv6_RT_NETWORK=fd00 1712195444eSAndrea Mayerreadonly IPv4_HS_NETWORK=10.0.0 1722195444eSAndrea Mayerreadonly VPN_LOCATOR_SERVICE=fc00 1732195444eSAndrea MayerPING_TIMEOUT_SEC=4 1742195444eSAndrea Mayer 1752195444eSAndrea Mayerret=0 1762195444eSAndrea Mayer 1772195444eSAndrea MayerPAUSE_ON_FAIL=${PAUSE_ON_FAIL:=no} 1782195444eSAndrea Mayer 1792195444eSAndrea Mayerlog_test() 1802195444eSAndrea Mayer{ 1812195444eSAndrea Mayer local rc=$1 1822195444eSAndrea Mayer local expected=$2 1832195444eSAndrea Mayer local msg="$3" 1842195444eSAndrea Mayer 1852195444eSAndrea Mayer if [ ${rc} -eq ${expected} ]; then 1862195444eSAndrea Mayer nsuccess=$((nsuccess+1)) 1872195444eSAndrea Mayer printf "\n TEST: %-60s [ OK ]\n" "${msg}" 1882195444eSAndrea Mayer else 1892195444eSAndrea Mayer ret=1 1902195444eSAndrea Mayer nfail=$((nfail+1)) 1912195444eSAndrea Mayer printf "\n TEST: %-60s [FAIL]\n" "${msg}" 1922195444eSAndrea Mayer if [ "${PAUSE_ON_FAIL}" = "yes" ]; then 1932195444eSAndrea Mayer echo 1942195444eSAndrea Mayer echo "hit enter to continue, 'q' to quit" 1952195444eSAndrea Mayer read a 1962195444eSAndrea Mayer [ "$a" = "q" ] && exit 1 1972195444eSAndrea Mayer fi 1982195444eSAndrea Mayer fi 1992195444eSAndrea Mayer} 2002195444eSAndrea Mayer 2012195444eSAndrea Mayerprint_log_test_results() 2022195444eSAndrea Mayer{ 2032195444eSAndrea Mayer if [ "$TESTS" != "none" ]; then 2042195444eSAndrea Mayer printf "\nTests passed: %3d\n" ${nsuccess} 2052195444eSAndrea Mayer printf "Tests failed: %3d\n" ${nfail} 2062195444eSAndrea Mayer fi 2072195444eSAndrea Mayer} 2082195444eSAndrea Mayer 2092195444eSAndrea Mayerlog_section() 2102195444eSAndrea Mayer{ 2112195444eSAndrea Mayer echo 2122195444eSAndrea Mayer echo "################################################################################" 2132195444eSAndrea Mayer echo "TEST SECTION: $*" 2142195444eSAndrea Mayer echo "################################################################################" 2152195444eSAndrea Mayer} 2162195444eSAndrea Mayer 2172195444eSAndrea Mayercleanup() 2182195444eSAndrea Mayer{ 2192195444eSAndrea Mayer ip link del veth-rt-1 2>/dev/null || true 2202195444eSAndrea Mayer ip link del veth-rt-2 2>/dev/null || true 2212195444eSAndrea Mayer 2222195444eSAndrea Mayer # destroy routers rt-* and hosts hs-* 2232195444eSAndrea Mayer for ns in $(ip netns show | grep -E 'rt-*|hs-*'); do 2242195444eSAndrea Mayer ip netns del ${ns} || true 2252195444eSAndrea Mayer done 2262195444eSAndrea Mayer} 2272195444eSAndrea Mayer 2282195444eSAndrea Mayer# Setup the basic networking for the routers 2292195444eSAndrea Mayersetup_rt_networking() 2302195444eSAndrea Mayer{ 2312195444eSAndrea Mayer local rt=$1 2322195444eSAndrea Mayer local nsname=rt-${rt} 2332195444eSAndrea Mayer 2342195444eSAndrea Mayer ip netns add ${nsname} 23521a933c7SAndrea Mayer 23621a933c7SAndrea Mayer ip netns exec ${nsname} sysctl -wq net.ipv6.conf.all.accept_dad=0 23721a933c7SAndrea Mayer ip netns exec ${nsname} sysctl -wq net.ipv6.conf.default.accept_dad=0 23821a933c7SAndrea Mayer 2392195444eSAndrea Mayer ip link set veth-rt-${rt} netns ${nsname} 2402195444eSAndrea Mayer ip -netns ${nsname} link set veth-rt-${rt} name veth0 2412195444eSAndrea Mayer 24221a933c7SAndrea Mayer ip -netns ${nsname} addr add ${IPv6_RT_NETWORK}::${rt}/64 dev veth0 nodad 2432195444eSAndrea Mayer ip -netns ${nsname} link set veth0 up 2442195444eSAndrea Mayer ip -netns ${nsname} link set lo up 2452195444eSAndrea Mayer 2462195444eSAndrea Mayer ip netns exec ${nsname} sysctl -wq net.ipv4.ip_forward=1 2472195444eSAndrea Mayer ip netns exec ${nsname} sysctl -wq net.ipv6.conf.all.forwarding=1 2482195444eSAndrea Mayer} 2492195444eSAndrea Mayer 2502195444eSAndrea Mayersetup_hs() 2512195444eSAndrea Mayer{ 2522195444eSAndrea Mayer local hs=$1 2532195444eSAndrea Mayer local rt=$2 2542195444eSAndrea Mayer local tid=$3 2552195444eSAndrea Mayer local hsname=hs-t${tid}-${hs} 2562195444eSAndrea Mayer local rtname=rt-${rt} 2572195444eSAndrea Mayer local rtveth=veth-t${tid} 2582195444eSAndrea Mayer 2592195444eSAndrea Mayer # set the networking for the host 2602195444eSAndrea Mayer ip netns add ${hsname} 261*f97b8401SAndrea Mayer 262*f97b8401SAndrea Mayer # disable the rp_filter otherwise the kernel gets confused about how 263*f97b8401SAndrea Mayer # to route decap ipv4 packets. 264*f97b8401SAndrea Mayer ip netns exec ${rtname} sysctl -wq net.ipv4.conf.all.rp_filter=0 265*f97b8401SAndrea Mayer ip netns exec ${rtname} sysctl -wq net.ipv4.conf.default.rp_filter=0 266*f97b8401SAndrea Mayer 2672195444eSAndrea Mayer ip -netns ${hsname} link add veth0 type veth peer name ${rtveth} 2682195444eSAndrea Mayer ip -netns ${hsname} link set ${rtveth} netns ${rtname} 2692195444eSAndrea Mayer ip -netns ${hsname} addr add ${IPv4_HS_NETWORK}.${hs}/24 dev veth0 2702195444eSAndrea Mayer ip -netns ${hsname} link set veth0 up 2712195444eSAndrea Mayer ip -netns ${hsname} link set lo up 2722195444eSAndrea Mayer 2732195444eSAndrea Mayer # configure the VRF for the tenant X on the router which is directly 2742195444eSAndrea Mayer # connected to the source host. 2752195444eSAndrea Mayer ip -netns ${rtname} link add vrf-${tid} type vrf table ${tid} 2762195444eSAndrea Mayer ip -netns ${rtname} link set vrf-${tid} up 2772195444eSAndrea Mayer 2782195444eSAndrea Mayer # enslave the veth-tX interface to the vrf-X in the access router 2792195444eSAndrea Mayer ip -netns ${rtname} link set ${rtveth} master vrf-${tid} 2802195444eSAndrea Mayer ip -netns ${rtname} addr add ${IPv4_HS_NETWORK}.254/24 dev ${rtveth} 2812195444eSAndrea Mayer ip -netns ${rtname} link set ${rtveth} up 2822195444eSAndrea Mayer 2832195444eSAndrea Mayer ip netns exec ${rtname} sysctl -wq net.ipv4.conf.${rtveth}.proxy_arp=1 2842195444eSAndrea Mayer 2852195444eSAndrea Mayer ip netns exec ${rtname} sh -c "echo 1 > /proc/sys/net/vrf/strict_mode" 2862195444eSAndrea Mayer} 2872195444eSAndrea Mayer 2882195444eSAndrea Mayersetup_vpn_config() 2892195444eSAndrea Mayer{ 2902195444eSAndrea Mayer local hssrc=$1 2912195444eSAndrea Mayer local rtsrc=$2 2922195444eSAndrea Mayer local hsdst=$3 2932195444eSAndrea Mayer local rtdst=$4 2942195444eSAndrea Mayer local tid=$5 2952195444eSAndrea Mayer 2962195444eSAndrea Mayer local hssrc_name=hs-t${tid}-${hssrc} 2972195444eSAndrea Mayer local hsdst_name=hs-t${tid}-${hsdst} 2982195444eSAndrea Mayer local rtsrc_name=rt-${rtsrc} 2992195444eSAndrea Mayer local rtdst_name=rt-${rtdst} 3002195444eSAndrea Mayer local vpn_sid=${VPN_LOCATOR_SERVICE}:${hssrc}${hsdst}:${tid}::6004 3012195444eSAndrea Mayer 3022195444eSAndrea Mayer # set the encap route for encapsulating packets which arrive from the 3032195444eSAndrea Mayer # host hssrc and destined to the access router rtsrc. 3042195444eSAndrea Mayer ip -netns ${rtsrc_name} -4 route add ${IPv4_HS_NETWORK}.${hsdst}/32 vrf vrf-${tid} \ 3052195444eSAndrea Mayer encap seg6 mode encap segs ${vpn_sid} dev veth0 3062195444eSAndrea Mayer ip -netns ${rtsrc_name} -6 route add ${vpn_sid}/128 vrf vrf-${tid} \ 3072195444eSAndrea Mayer via fd00::${rtdst} dev veth0 3082195444eSAndrea Mayer 3092195444eSAndrea Mayer # set the decap route for decapsulating packets which arrive from 3102195444eSAndrea Mayer # the rtdst router and destined to the hsdst host. 3112195444eSAndrea Mayer ip -netns ${rtdst_name} -6 route add ${vpn_sid}/128 table ${LOCALSID_TABLE_ID} \ 3122195444eSAndrea Mayer encap seg6local action End.DT4 vrftable ${tid} dev vrf-${tid} 3132195444eSAndrea Mayer 3142195444eSAndrea Mayer # all sids for VPNs start with a common locator which is fc00::/16. 3152195444eSAndrea Mayer # Routes for handling the SRv6 End.DT4 behavior instances are grouped 3162195444eSAndrea Mayer # together in the 'localsid' table. 3172195444eSAndrea Mayer # 3182195444eSAndrea Mayer # NOTE: added only once 3192195444eSAndrea Mayer if [ -z "$(ip -netns ${rtdst_name} -6 rule show | \ 3202195444eSAndrea Mayer grep "to ${VPN_LOCATOR_SERVICE}::/16 lookup ${LOCALSID_TABLE_ID}")" ]; then 3212195444eSAndrea Mayer ip -netns ${rtdst_name} -6 rule add \ 3222195444eSAndrea Mayer to ${VPN_LOCATOR_SERVICE}::/16 \ 3232195444eSAndrea Mayer lookup ${LOCALSID_TABLE_ID} prio 999 3242195444eSAndrea Mayer fi 3252195444eSAndrea Mayer} 3262195444eSAndrea Mayer 3272195444eSAndrea Mayersetup() 3282195444eSAndrea Mayer{ 3292195444eSAndrea Mayer ip link add veth-rt-1 type veth peer name veth-rt-2 3302195444eSAndrea Mayer # setup the networking for router rt-1 and router rt-2 3312195444eSAndrea Mayer setup_rt_networking 1 3322195444eSAndrea Mayer setup_rt_networking 2 3332195444eSAndrea Mayer 3342195444eSAndrea Mayer # setup two hosts for the tenant 100. 3352195444eSAndrea Mayer # - host hs-1 is directly connected to the router rt-1; 3362195444eSAndrea Mayer # - host hs-2 is directly connected to the router rt-2. 3372195444eSAndrea Mayer setup_hs 1 1 100 #args: host router tenant 3382195444eSAndrea Mayer setup_hs 2 2 100 3392195444eSAndrea Mayer 3402195444eSAndrea Mayer # setup two hosts for the tenant 200 3412195444eSAndrea Mayer # - host hs-3 is directly connected to the router rt-1; 3422195444eSAndrea Mayer # - host hs-4 is directly connected to the router rt-2. 3432195444eSAndrea Mayer setup_hs 3 1 200 3442195444eSAndrea Mayer setup_hs 4 2 200 3452195444eSAndrea Mayer 3462195444eSAndrea Mayer # setup the IPv4 L3 VPN which connects the host hs-t100-1 and host 3472195444eSAndrea Mayer # hs-t100-2 within the same tenant 100. 3482195444eSAndrea Mayer setup_vpn_config 1 1 2 2 100 #args: src_host src_router dst_host dst_router tenant 3492195444eSAndrea Mayer setup_vpn_config 2 2 1 1 100 3502195444eSAndrea Mayer 3512195444eSAndrea Mayer # setup the IPv4 L3 VPN which connects the host hs-t200-3 and host 3522195444eSAndrea Mayer # hs-t200-4 within the same tenant 200. 3532195444eSAndrea Mayer setup_vpn_config 3 1 4 2 200 3542195444eSAndrea Mayer setup_vpn_config 4 2 3 1 200 3552195444eSAndrea Mayer} 3562195444eSAndrea Mayer 3572195444eSAndrea Mayercheck_rt_connectivity() 3582195444eSAndrea Mayer{ 3592195444eSAndrea Mayer local rtsrc=$1 3602195444eSAndrea Mayer local rtdst=$2 3612195444eSAndrea Mayer 3622195444eSAndrea Mayer ip netns exec rt-${rtsrc} ping -c 1 -W 1 ${IPv6_RT_NETWORK}::${rtdst} \ 3632195444eSAndrea Mayer >/dev/null 2>&1 3642195444eSAndrea Mayer} 3652195444eSAndrea Mayer 3662195444eSAndrea Mayercheck_and_log_rt_connectivity() 3672195444eSAndrea Mayer{ 3682195444eSAndrea Mayer local rtsrc=$1 3692195444eSAndrea Mayer local rtdst=$2 3702195444eSAndrea Mayer 3712195444eSAndrea Mayer check_rt_connectivity ${rtsrc} ${rtdst} 3722195444eSAndrea Mayer log_test $? 0 "Routers connectivity: rt-${rtsrc} -> rt-${rtdst}" 3732195444eSAndrea Mayer} 3742195444eSAndrea Mayer 3752195444eSAndrea Mayercheck_hs_connectivity() 3762195444eSAndrea Mayer{ 3772195444eSAndrea Mayer local hssrc=$1 3782195444eSAndrea Mayer local hsdst=$2 3792195444eSAndrea Mayer local tid=$3 3802195444eSAndrea Mayer 3812195444eSAndrea Mayer ip netns exec hs-t${tid}-${hssrc} ping -c 1 -W ${PING_TIMEOUT_SEC} \ 3822195444eSAndrea Mayer ${IPv4_HS_NETWORK}.${hsdst} >/dev/null 2>&1 3832195444eSAndrea Mayer} 3842195444eSAndrea Mayer 3852195444eSAndrea Mayercheck_and_log_hs_connectivity() 3862195444eSAndrea Mayer{ 3872195444eSAndrea Mayer local hssrc=$1 3882195444eSAndrea Mayer local hsdst=$2 3892195444eSAndrea Mayer local tid=$3 3902195444eSAndrea Mayer 3912195444eSAndrea Mayer check_hs_connectivity ${hssrc} ${hsdst} ${tid} 3922195444eSAndrea Mayer log_test $? 0 "Hosts connectivity: hs-t${tid}-${hssrc} -> hs-t${tid}-${hsdst} (tenant ${tid})" 3932195444eSAndrea Mayer} 3942195444eSAndrea Mayer 3952195444eSAndrea Mayercheck_and_log_hs_isolation() 3962195444eSAndrea Mayer{ 3972195444eSAndrea Mayer local hssrc=$1 3982195444eSAndrea Mayer local tidsrc=$2 3992195444eSAndrea Mayer local hsdst=$3 4002195444eSAndrea Mayer local tiddst=$4 4012195444eSAndrea Mayer 4022195444eSAndrea Mayer check_hs_connectivity ${hssrc} ${hsdst} ${tidsrc} 4032195444eSAndrea Mayer # NOTE: ping should fail 4042195444eSAndrea Mayer log_test $? 1 "Hosts isolation: hs-t${tidsrc}-${hssrc} -X-> hs-t${tiddst}-${hsdst}" 4052195444eSAndrea Mayer} 4062195444eSAndrea Mayer 4072195444eSAndrea Mayer 4082195444eSAndrea Mayercheck_and_log_hs2gw_connectivity() 4092195444eSAndrea Mayer{ 4102195444eSAndrea Mayer local hssrc=$1 4112195444eSAndrea Mayer local tid=$2 4122195444eSAndrea Mayer 4132195444eSAndrea Mayer check_hs_connectivity ${hssrc} 254 ${tid} 4142195444eSAndrea Mayer log_test $? 0 "Hosts connectivity: hs-t${tid}-${hssrc} -> gw (tenant ${tid})" 4152195444eSAndrea Mayer} 4162195444eSAndrea Mayer 4172195444eSAndrea Mayerrouter_tests() 4182195444eSAndrea Mayer{ 4192195444eSAndrea Mayer log_section "IPv6 routers connectivity test" 4202195444eSAndrea Mayer 4212195444eSAndrea Mayer check_and_log_rt_connectivity 1 2 4222195444eSAndrea Mayer check_and_log_rt_connectivity 2 1 4232195444eSAndrea Mayer} 4242195444eSAndrea Mayer 4252195444eSAndrea Mayerhost2gateway_tests() 4262195444eSAndrea Mayer{ 4272195444eSAndrea Mayer log_section "IPv4 connectivity test among hosts and gateway" 4282195444eSAndrea Mayer 4292195444eSAndrea Mayer check_and_log_hs2gw_connectivity 1 100 4302195444eSAndrea Mayer check_and_log_hs2gw_connectivity 2 100 4312195444eSAndrea Mayer 4322195444eSAndrea Mayer check_and_log_hs2gw_connectivity 3 200 4332195444eSAndrea Mayer check_and_log_hs2gw_connectivity 4 200 4342195444eSAndrea Mayer} 4352195444eSAndrea Mayer 4362195444eSAndrea Mayerhost_vpn_tests() 4372195444eSAndrea Mayer{ 4382195444eSAndrea Mayer log_section "SRv6 VPN connectivity test among hosts in the same tenant" 4392195444eSAndrea Mayer 4402195444eSAndrea Mayer check_and_log_hs_connectivity 1 2 100 4412195444eSAndrea Mayer check_and_log_hs_connectivity 2 1 100 4422195444eSAndrea Mayer 4432195444eSAndrea Mayer check_and_log_hs_connectivity 3 4 200 4442195444eSAndrea Mayer check_and_log_hs_connectivity 4 3 200 4452195444eSAndrea Mayer} 4462195444eSAndrea Mayer 4472195444eSAndrea Mayerhost_vpn_isolation_tests() 4482195444eSAndrea Mayer{ 4492195444eSAndrea Mayer local i 4502195444eSAndrea Mayer local j 4512195444eSAndrea Mayer local k 4522195444eSAndrea Mayer local tmp 4532195444eSAndrea Mayer local l1="1 2" 4542195444eSAndrea Mayer local l2="3 4" 4552195444eSAndrea Mayer local t1=100 4562195444eSAndrea Mayer local t2=200 4572195444eSAndrea Mayer 4582195444eSAndrea Mayer log_section "SRv6 VPN isolation test among hosts in different tentants" 4592195444eSAndrea Mayer 4602195444eSAndrea Mayer for k in 0 1; do 4612195444eSAndrea Mayer for i in ${l1}; do 4622195444eSAndrea Mayer for j in ${l2}; do 4632195444eSAndrea Mayer check_and_log_hs_isolation ${i} ${t1} ${j} ${t2} 4642195444eSAndrea Mayer done 4652195444eSAndrea Mayer done 4662195444eSAndrea Mayer 4672195444eSAndrea Mayer # let us test the reverse path 4682195444eSAndrea Mayer tmp="${l1}"; l1="${l2}"; l2="${tmp}" 4692195444eSAndrea Mayer tmp=${t1}; t1=${t2}; t2=${tmp} 4702195444eSAndrea Mayer done 4712195444eSAndrea Mayer} 4722195444eSAndrea Mayer 4732195444eSAndrea Mayerif [ "$(id -u)" -ne 0 ];then 4742195444eSAndrea Mayer echo "SKIP: Need root privileges" 4757844ec21SPo-Hsu Lin exit $ksft_skip 4762195444eSAndrea Mayerfi 4772195444eSAndrea Mayer 4782195444eSAndrea Mayerif [ ! -x "$(command -v ip)" ]; then 4792195444eSAndrea Mayer echo "SKIP: Could not run test without ip tool" 4807844ec21SPo-Hsu Lin exit $ksft_skip 4812195444eSAndrea Mayerfi 4822195444eSAndrea Mayer 4832195444eSAndrea Mayermodprobe vrf &>/dev/null 4842195444eSAndrea Mayerif [ ! -e /proc/sys/net/vrf/strict_mode ]; then 4852195444eSAndrea Mayer echo "SKIP: vrf sysctl does not exist" 4867844ec21SPo-Hsu Lin exit $ksft_skip 4872195444eSAndrea Mayerfi 4882195444eSAndrea Mayer 4892195444eSAndrea Mayercleanup &>/dev/null 4902195444eSAndrea Mayer 4912195444eSAndrea Mayersetup 4922195444eSAndrea Mayer 4932195444eSAndrea Mayerrouter_tests 4942195444eSAndrea Mayerhost2gateway_tests 4952195444eSAndrea Mayerhost_vpn_tests 4962195444eSAndrea Mayerhost_vpn_isolation_tests 4972195444eSAndrea Mayer 4982195444eSAndrea Mayerprint_log_test_results 4992195444eSAndrea Mayer 5002195444eSAndrea Mayercleanup &>/dev/null 5012195444eSAndrea Mayer 5022195444eSAndrea Mayerexit ${ret} 503