1*2195444eSAndrea Mayer#!/bin/bash 2*2195444eSAndrea Mayer# SPDX-License-Identifier: GPL-2.0 3*2195444eSAndrea Mayer# 4*2195444eSAndrea Mayer# author: Andrea Mayer <andrea.mayer@uniroma2.it> 5*2195444eSAndrea Mayer 6*2195444eSAndrea Mayer# This test is designed for evaluating the new SRv6 End.DT4 behavior used for 7*2195444eSAndrea Mayer# implementing IPv4 L3 VPN use cases. 8*2195444eSAndrea Mayer# 9*2195444eSAndrea Mayer# Hereafter a network diagram is shown, where two different tenants (named 100 10*2195444eSAndrea Mayer# and 200) offer IPv4 L3 VPN services allowing hosts to communicate with each 11*2195444eSAndrea Mayer# other across an IPv6 network. 12*2195444eSAndrea Mayer# 13*2195444eSAndrea Mayer# Only hosts belonging to the same tenant (and to the same VPN) can communicate 14*2195444eSAndrea Mayer# with each other. Instead, the communication among hosts of different tenants 15*2195444eSAndrea Mayer# is forbidden. 16*2195444eSAndrea Mayer# In other words, hosts hs-t100-1 and hs-t100-2 are connected through the IPv4 17*2195444eSAndrea Mayer# L3 VPN of tenant 100 while hs-t200-3 and hs-t200-4 are connected using the 18*2195444eSAndrea Mayer# IPv4 L3 VPN of tenant 200. Cross connection between tenant 100 and tenant 200 19*2195444eSAndrea Mayer# is forbidden and thus, for example, hs-t100-1 cannot reach hs-t200-3 and vice 20*2195444eSAndrea Mayer# versa. 21*2195444eSAndrea Mayer# 22*2195444eSAndrea Mayer# Routers rt-1 and rt-2 implement IPv4 L3 VPN services leveraging the SRv6 23*2195444eSAndrea Mayer# architecture. The key components for such VPNs are: a) SRv6 Encap behavior, 24*2195444eSAndrea Mayer# b) SRv6 End.DT4 behavior and c) VRF. 25*2195444eSAndrea Mayer# 26*2195444eSAndrea Mayer# To explain how an IPv4 L3 VPN based on SRv6 works, let us briefly consider an 27*2195444eSAndrea Mayer# example where, within the same domain of tenant 100, the host hs-t100-1 pings 28*2195444eSAndrea Mayer# the host hs-t100-2. 29*2195444eSAndrea Mayer# 30*2195444eSAndrea Mayer# First of all, L2 reachability of the host hs-t100-2 is taken into account by 31*2195444eSAndrea Mayer# the router rt-1 which acts as an arp proxy. 32*2195444eSAndrea Mayer# 33*2195444eSAndrea Mayer# When the host hs-t100-1 sends an IPv4 packet destined to hs-t100-2, the 34*2195444eSAndrea Mayer# router rt-1 receives the packet on the internal veth-t100 interface. Such 35*2195444eSAndrea Mayer# interface is enslaved to the VRF vrf-100 whose associated table contains the 36*2195444eSAndrea Mayer# SRv6 Encap route for encapsulating any IPv4 packet in a IPv6 plus the Segment 37*2195444eSAndrea Mayer# Routing Header (SRH) packet. This packet is sent through the (IPv6) core 38*2195444eSAndrea Mayer# network up to the router rt-2 that receives it on veth0 interface. 39*2195444eSAndrea Mayer# 40*2195444eSAndrea Mayer# The rt-2 router uses the 'localsid' routing table to process incoming 41*2195444eSAndrea Mayer# IPv6+SRH packets which belong to the VPN of the tenant 100. For each of these 42*2195444eSAndrea Mayer# packets, the SRv6 End.DT4 behavior removes the outer IPv6+SRH headers and 43*2195444eSAndrea Mayer# performs the lookup on the vrf-100 table using the destination address of 44*2195444eSAndrea Mayer# the decapsulated IPv4 packet. Afterwards, the packet is sent to the host 45*2195444eSAndrea Mayer# hs-t100-2 through the veth-t100 interface. 46*2195444eSAndrea Mayer# 47*2195444eSAndrea Mayer# The ping response follows the same processing but this time the role of rt-1 48*2195444eSAndrea Mayer# and rt-2 are swapped. 49*2195444eSAndrea Mayer# 50*2195444eSAndrea Mayer# Of course, the IPv4 L3 VPN for tenant 200 works exactly as the IPv4 L3 VPN 51*2195444eSAndrea Mayer# for tenant 100. In this case, only hosts hs-t200-3 and hs-t200-4 are able to 52*2195444eSAndrea Mayer# connect with each other. 53*2195444eSAndrea Mayer# 54*2195444eSAndrea Mayer# 55*2195444eSAndrea Mayer# +-------------------+ +-------------------+ 56*2195444eSAndrea Mayer# | | | | 57*2195444eSAndrea Mayer# | hs-t100-1 netns | | hs-t100-2 netns | 58*2195444eSAndrea Mayer# | | | | 59*2195444eSAndrea Mayer# | +-------------+ | | +-------------+ | 60*2195444eSAndrea Mayer# | | veth0 | | | | veth0 | | 61*2195444eSAndrea Mayer# | | 10.0.0.1/24 | | | | 10.0.0.2/24 | | 62*2195444eSAndrea Mayer# | +-------------+ | | +-------------+ | 63*2195444eSAndrea Mayer# | . | | . | 64*2195444eSAndrea Mayer# +-------------------+ +-------------------+ 65*2195444eSAndrea Mayer# . . 66*2195444eSAndrea Mayer# . . 67*2195444eSAndrea Mayer# . . 68*2195444eSAndrea Mayer# +-----------------------------------+ +-----------------------------------+ 69*2195444eSAndrea Mayer# | . | | . | 70*2195444eSAndrea Mayer# | +---------------+ | | +---------------- | 71*2195444eSAndrea Mayer# | | veth-t100 | | | | veth-t100 | | 72*2195444eSAndrea Mayer# | | 10.0.0.254/24 | +----------+ | | +----------+ | 10.0.0.254/24 | | 73*2195444eSAndrea Mayer# | +-------+-------+ | localsid | | | | localsid | +-------+-------- | 74*2195444eSAndrea Mayer# | | | table | | | | table | | | 75*2195444eSAndrea Mayer# | +----+----+ +----------+ | | +----------+ +----+----+ | 76*2195444eSAndrea Mayer# | | vrf-100 | | | | vrf-100 | | 77*2195444eSAndrea Mayer# | +---------+ +------------+ | | +------------+ +---------+ | 78*2195444eSAndrea Mayer# | | veth0 | | | | veth0 | | 79*2195444eSAndrea Mayer# | | fd00::1/64 |.|...|.| fd00::2/64 | | 80*2195444eSAndrea Mayer# | +---------+ +------------+ | | +------------+ +---------+ | 81*2195444eSAndrea Mayer# | | vrf-200 | | | | vrf-200 | | 82*2195444eSAndrea Mayer# | +----+----+ | | +----+----+ | 83*2195444eSAndrea Mayer# | | | | | | 84*2195444eSAndrea Mayer# | +-------+-------+ | | +-------+-------- | 85*2195444eSAndrea Mayer# | | veth-t200 | | | | veth-t200 | | 86*2195444eSAndrea Mayer# | | 10.0.0.254/24 | | | | 10.0.0.254/24 | | 87*2195444eSAndrea Mayer# | +---------------+ rt-1 netns | | rt-2 netns +---------------- | 88*2195444eSAndrea Mayer# | . | | . | 89*2195444eSAndrea Mayer# +-----------------------------------+ +-----------------------------------+ 90*2195444eSAndrea Mayer# . . 91*2195444eSAndrea Mayer# . . 92*2195444eSAndrea Mayer# . . 93*2195444eSAndrea Mayer# . . 94*2195444eSAndrea Mayer# +-------------------+ +-------------------+ 95*2195444eSAndrea Mayer# | . | | . | 96*2195444eSAndrea Mayer# | +-------------+ | | +-------------+ | 97*2195444eSAndrea Mayer# | | veth0 | | | | veth0 | | 98*2195444eSAndrea Mayer# | | 10.0.0.3/24 | | | | 10.0.0.4/24 | | 99*2195444eSAndrea Mayer# | +-------------+ | | +-------------+ | 100*2195444eSAndrea Mayer# | | | | 101*2195444eSAndrea Mayer# | hs-t200-3 netns | | hs-t200-4 netns | 102*2195444eSAndrea Mayer# | | | | 103*2195444eSAndrea Mayer# +-------------------+ +-------------------+ 104*2195444eSAndrea Mayer# 105*2195444eSAndrea Mayer# 106*2195444eSAndrea Mayer# ~~~~~~~~~~~~~~~~~~~~~~~~~ 107*2195444eSAndrea Mayer# | Network configuration | 108*2195444eSAndrea Mayer# ~~~~~~~~~~~~~~~~~~~~~~~~~ 109*2195444eSAndrea Mayer# 110*2195444eSAndrea Mayer# rt-1: localsid table (table 90) 111*2195444eSAndrea Mayer# +-------------------------------------------------+ 112*2195444eSAndrea Mayer# |SID |Action | 113*2195444eSAndrea Mayer# +-------------------------------------------------+ 114*2195444eSAndrea Mayer# |fc00:21:100::6004|apply SRv6 End.DT4 vrftable 100| 115*2195444eSAndrea Mayer# +-------------------------------------------------+ 116*2195444eSAndrea Mayer# |fc00:21:200::6004|apply SRv6 End.DT4 vrftable 200| 117*2195444eSAndrea Mayer# +-------------------------------------------------+ 118*2195444eSAndrea Mayer# 119*2195444eSAndrea Mayer# rt-1: VRF tenant 100 (table 100) 120*2195444eSAndrea Mayer# +---------------------------------------------------+ 121*2195444eSAndrea Mayer# |host |Action | 122*2195444eSAndrea Mayer# +---------------------------------------------------+ 123*2195444eSAndrea Mayer# |10.0.0.2 |apply seg6 encap segs fc00:12:100::6004| 124*2195444eSAndrea Mayer# +---------------------------------------------------+ 125*2195444eSAndrea Mayer# |10.0.0.0/24|forward to dev veth_t100 | 126*2195444eSAndrea Mayer# +---------------------------------------------------+ 127*2195444eSAndrea Mayer# 128*2195444eSAndrea Mayer# rt-1: VRF tenant 200 (table 200) 129*2195444eSAndrea Mayer# +---------------------------------------------------+ 130*2195444eSAndrea Mayer# |host |Action | 131*2195444eSAndrea Mayer# +---------------------------------------------------+ 132*2195444eSAndrea Mayer# |10.0.0.4 |apply seg6 encap segs fc00:12:200::6004| 133*2195444eSAndrea Mayer# +---------------------------------------------------+ 134*2195444eSAndrea Mayer# |10.0.0.0/24|forward to dev veth_t200 | 135*2195444eSAndrea Mayer# +---------------------------------------------------+ 136*2195444eSAndrea Mayer# 137*2195444eSAndrea Mayer# 138*2195444eSAndrea Mayer# rt-2: localsid table (table 90) 139*2195444eSAndrea Mayer# +-------------------------------------------------+ 140*2195444eSAndrea Mayer# |SID |Action | 141*2195444eSAndrea Mayer# +-------------------------------------------------+ 142*2195444eSAndrea Mayer# |fc00:12:100::6004|apply SRv6 End.DT4 vrftable 100| 143*2195444eSAndrea Mayer# +-------------------------------------------------+ 144*2195444eSAndrea Mayer# |fc00:12:200::6004|apply SRv6 End.DT4 vrftable 200| 145*2195444eSAndrea Mayer# +-------------------------------------------------+ 146*2195444eSAndrea Mayer# 147*2195444eSAndrea Mayer# rt-2: VRF tenant 100 (table 100) 148*2195444eSAndrea Mayer# +---------------------------------------------------+ 149*2195444eSAndrea Mayer# |host |Action | 150*2195444eSAndrea Mayer# +---------------------------------------------------+ 151*2195444eSAndrea Mayer# |10.0.0.1 |apply seg6 encap segs fc00:21:100::6004| 152*2195444eSAndrea Mayer# +---------------------------------------------------+ 153*2195444eSAndrea Mayer# |10.0.0.0/24|forward to dev veth_t100 | 154*2195444eSAndrea Mayer# +---------------------------------------------------+ 155*2195444eSAndrea Mayer# 156*2195444eSAndrea Mayer# rt-2: VRF tenant 200 (table 200) 157*2195444eSAndrea Mayer# +---------------------------------------------------+ 158*2195444eSAndrea Mayer# |host |Action | 159*2195444eSAndrea Mayer# +---------------------------------------------------+ 160*2195444eSAndrea Mayer# |10.0.0.3 |apply seg6 encap segs fc00:21:200::6004| 161*2195444eSAndrea Mayer# +---------------------------------------------------+ 162*2195444eSAndrea Mayer# |10.0.0.0/24|forward to dev veth_t200 | 163*2195444eSAndrea Mayer# +---------------------------------------------------+ 164*2195444eSAndrea Mayer# 165*2195444eSAndrea Mayer 166*2195444eSAndrea Mayerreadonly LOCALSID_TABLE_ID=90 167*2195444eSAndrea Mayerreadonly IPv6_RT_NETWORK=fd00 168*2195444eSAndrea Mayerreadonly IPv4_HS_NETWORK=10.0.0 169*2195444eSAndrea Mayerreadonly VPN_LOCATOR_SERVICE=fc00 170*2195444eSAndrea MayerPING_TIMEOUT_SEC=4 171*2195444eSAndrea Mayer 172*2195444eSAndrea Mayerret=0 173*2195444eSAndrea Mayer 174*2195444eSAndrea MayerPAUSE_ON_FAIL=${PAUSE_ON_FAIL:=no} 175*2195444eSAndrea Mayer 176*2195444eSAndrea Mayerlog_test() 177*2195444eSAndrea Mayer{ 178*2195444eSAndrea Mayer local rc=$1 179*2195444eSAndrea Mayer local expected=$2 180*2195444eSAndrea Mayer local msg="$3" 181*2195444eSAndrea Mayer 182*2195444eSAndrea Mayer if [ ${rc} -eq ${expected} ]; then 183*2195444eSAndrea Mayer nsuccess=$((nsuccess+1)) 184*2195444eSAndrea Mayer printf "\n TEST: %-60s [ OK ]\n" "${msg}" 185*2195444eSAndrea Mayer else 186*2195444eSAndrea Mayer ret=1 187*2195444eSAndrea Mayer nfail=$((nfail+1)) 188*2195444eSAndrea Mayer printf "\n TEST: %-60s [FAIL]\n" "${msg}" 189*2195444eSAndrea Mayer if [ "${PAUSE_ON_FAIL}" = "yes" ]; then 190*2195444eSAndrea Mayer echo 191*2195444eSAndrea Mayer echo "hit enter to continue, 'q' to quit" 192*2195444eSAndrea Mayer read a 193*2195444eSAndrea Mayer [ "$a" = "q" ] && exit 1 194*2195444eSAndrea Mayer fi 195*2195444eSAndrea Mayer fi 196*2195444eSAndrea Mayer} 197*2195444eSAndrea Mayer 198*2195444eSAndrea Mayerprint_log_test_results() 199*2195444eSAndrea Mayer{ 200*2195444eSAndrea Mayer if [ "$TESTS" != "none" ]; then 201*2195444eSAndrea Mayer printf "\nTests passed: %3d\n" ${nsuccess} 202*2195444eSAndrea Mayer printf "Tests failed: %3d\n" ${nfail} 203*2195444eSAndrea Mayer fi 204*2195444eSAndrea Mayer} 205*2195444eSAndrea Mayer 206*2195444eSAndrea Mayerlog_section() 207*2195444eSAndrea Mayer{ 208*2195444eSAndrea Mayer echo 209*2195444eSAndrea Mayer echo "################################################################################" 210*2195444eSAndrea Mayer echo "TEST SECTION: $*" 211*2195444eSAndrea Mayer echo "################################################################################" 212*2195444eSAndrea Mayer} 213*2195444eSAndrea Mayer 214*2195444eSAndrea Mayercleanup() 215*2195444eSAndrea Mayer{ 216*2195444eSAndrea Mayer ip link del veth-rt-1 2>/dev/null || true 217*2195444eSAndrea Mayer ip link del veth-rt-2 2>/dev/null || true 218*2195444eSAndrea Mayer 219*2195444eSAndrea Mayer # destroy routers rt-* and hosts hs-* 220*2195444eSAndrea Mayer for ns in $(ip netns show | grep -E 'rt-*|hs-*'); do 221*2195444eSAndrea Mayer ip netns del ${ns} || true 222*2195444eSAndrea Mayer done 223*2195444eSAndrea Mayer} 224*2195444eSAndrea Mayer 225*2195444eSAndrea Mayer# Setup the basic networking for the routers 226*2195444eSAndrea Mayersetup_rt_networking() 227*2195444eSAndrea Mayer{ 228*2195444eSAndrea Mayer local rt=$1 229*2195444eSAndrea Mayer local nsname=rt-${rt} 230*2195444eSAndrea Mayer 231*2195444eSAndrea Mayer ip netns add ${nsname} 232*2195444eSAndrea Mayer ip link set veth-rt-${rt} netns ${nsname} 233*2195444eSAndrea Mayer ip -netns ${nsname} link set veth-rt-${rt} name veth0 234*2195444eSAndrea Mayer 235*2195444eSAndrea Mayer ip -netns ${nsname} addr add ${IPv6_RT_NETWORK}::${rt}/64 dev veth0 236*2195444eSAndrea Mayer ip -netns ${nsname} link set veth0 up 237*2195444eSAndrea Mayer ip -netns ${nsname} link set lo up 238*2195444eSAndrea Mayer 239*2195444eSAndrea Mayer ip netns exec ${nsname} sysctl -wq net.ipv4.ip_forward=1 240*2195444eSAndrea Mayer ip netns exec ${nsname} sysctl -wq net.ipv6.conf.all.forwarding=1 241*2195444eSAndrea Mayer} 242*2195444eSAndrea Mayer 243*2195444eSAndrea Mayersetup_hs() 244*2195444eSAndrea Mayer{ 245*2195444eSAndrea Mayer local hs=$1 246*2195444eSAndrea Mayer local rt=$2 247*2195444eSAndrea Mayer local tid=$3 248*2195444eSAndrea Mayer local hsname=hs-t${tid}-${hs} 249*2195444eSAndrea Mayer local rtname=rt-${rt} 250*2195444eSAndrea Mayer local rtveth=veth-t${tid} 251*2195444eSAndrea Mayer 252*2195444eSAndrea Mayer # set the networking for the host 253*2195444eSAndrea Mayer ip netns add ${hsname} 254*2195444eSAndrea Mayer ip -netns ${hsname} link add veth0 type veth peer name ${rtveth} 255*2195444eSAndrea Mayer ip -netns ${hsname} link set ${rtveth} netns ${rtname} 256*2195444eSAndrea Mayer ip -netns ${hsname} addr add ${IPv4_HS_NETWORK}.${hs}/24 dev veth0 257*2195444eSAndrea Mayer ip -netns ${hsname} link set veth0 up 258*2195444eSAndrea Mayer ip -netns ${hsname} link set lo up 259*2195444eSAndrea Mayer 260*2195444eSAndrea Mayer # configure the VRF for the tenant X on the router which is directly 261*2195444eSAndrea Mayer # connected to the source host. 262*2195444eSAndrea Mayer ip -netns ${rtname} link add vrf-${tid} type vrf table ${tid} 263*2195444eSAndrea Mayer ip -netns ${rtname} link set vrf-${tid} up 264*2195444eSAndrea Mayer 265*2195444eSAndrea Mayer # enslave the veth-tX interface to the vrf-X in the access router 266*2195444eSAndrea Mayer ip -netns ${rtname} link set ${rtveth} master vrf-${tid} 267*2195444eSAndrea Mayer ip -netns ${rtname} addr add ${IPv4_HS_NETWORK}.254/24 dev ${rtveth} 268*2195444eSAndrea Mayer ip -netns ${rtname} link set ${rtveth} up 269*2195444eSAndrea Mayer 270*2195444eSAndrea Mayer ip netns exec ${rtname} sysctl -wq net.ipv4.conf.${rtveth}.proxy_arp=1 271*2195444eSAndrea Mayer 272*2195444eSAndrea Mayer # disable the rp_filter otherwise the kernel gets confused about how 273*2195444eSAndrea Mayer # to route decap ipv4 packets. 274*2195444eSAndrea Mayer ip netns exec ${rtname} sysctl -wq net.ipv4.conf.all.rp_filter=0 275*2195444eSAndrea Mayer ip netns exec ${rtname} sysctl -wq net.ipv4.conf.${rtveth}.rp_filter=0 276*2195444eSAndrea Mayer 277*2195444eSAndrea Mayer ip netns exec ${rtname} sh -c "echo 1 > /proc/sys/net/vrf/strict_mode" 278*2195444eSAndrea Mayer} 279*2195444eSAndrea Mayer 280*2195444eSAndrea Mayersetup_vpn_config() 281*2195444eSAndrea Mayer{ 282*2195444eSAndrea Mayer local hssrc=$1 283*2195444eSAndrea Mayer local rtsrc=$2 284*2195444eSAndrea Mayer local hsdst=$3 285*2195444eSAndrea Mayer local rtdst=$4 286*2195444eSAndrea Mayer local tid=$5 287*2195444eSAndrea Mayer 288*2195444eSAndrea Mayer local hssrc_name=hs-t${tid}-${hssrc} 289*2195444eSAndrea Mayer local hsdst_name=hs-t${tid}-${hsdst} 290*2195444eSAndrea Mayer local rtsrc_name=rt-${rtsrc} 291*2195444eSAndrea Mayer local rtdst_name=rt-${rtdst} 292*2195444eSAndrea Mayer local vpn_sid=${VPN_LOCATOR_SERVICE}:${hssrc}${hsdst}:${tid}::6004 293*2195444eSAndrea Mayer 294*2195444eSAndrea Mayer # set the encap route for encapsulating packets which arrive from the 295*2195444eSAndrea Mayer # host hssrc and destined to the access router rtsrc. 296*2195444eSAndrea Mayer ip -netns ${rtsrc_name} -4 route add ${IPv4_HS_NETWORK}.${hsdst}/32 vrf vrf-${tid} \ 297*2195444eSAndrea Mayer encap seg6 mode encap segs ${vpn_sid} dev veth0 298*2195444eSAndrea Mayer ip -netns ${rtsrc_name} -6 route add ${vpn_sid}/128 vrf vrf-${tid} \ 299*2195444eSAndrea Mayer via fd00::${rtdst} dev veth0 300*2195444eSAndrea Mayer 301*2195444eSAndrea Mayer # set the decap route for decapsulating packets which arrive from 302*2195444eSAndrea Mayer # the rtdst router and destined to the hsdst host. 303*2195444eSAndrea Mayer ip -netns ${rtdst_name} -6 route add ${vpn_sid}/128 table ${LOCALSID_TABLE_ID} \ 304*2195444eSAndrea Mayer encap seg6local action End.DT4 vrftable ${tid} dev vrf-${tid} 305*2195444eSAndrea Mayer 306*2195444eSAndrea Mayer # all sids for VPNs start with a common locator which is fc00::/16. 307*2195444eSAndrea Mayer # Routes for handling the SRv6 End.DT4 behavior instances are grouped 308*2195444eSAndrea Mayer # together in the 'localsid' table. 309*2195444eSAndrea Mayer # 310*2195444eSAndrea Mayer # NOTE: added only once 311*2195444eSAndrea Mayer if [ -z "$(ip -netns ${rtdst_name} -6 rule show | \ 312*2195444eSAndrea Mayer grep "to ${VPN_LOCATOR_SERVICE}::/16 lookup ${LOCALSID_TABLE_ID}")" ]; then 313*2195444eSAndrea Mayer ip -netns ${rtdst_name} -6 rule add \ 314*2195444eSAndrea Mayer to ${VPN_LOCATOR_SERVICE}::/16 \ 315*2195444eSAndrea Mayer lookup ${LOCALSID_TABLE_ID} prio 999 316*2195444eSAndrea Mayer fi 317*2195444eSAndrea Mayer} 318*2195444eSAndrea Mayer 319*2195444eSAndrea Mayersetup() 320*2195444eSAndrea Mayer{ 321*2195444eSAndrea Mayer ip link add veth-rt-1 type veth peer name veth-rt-2 322*2195444eSAndrea Mayer # setup the networking for router rt-1 and router rt-2 323*2195444eSAndrea Mayer setup_rt_networking 1 324*2195444eSAndrea Mayer setup_rt_networking 2 325*2195444eSAndrea Mayer 326*2195444eSAndrea Mayer # setup two hosts for the tenant 100. 327*2195444eSAndrea Mayer # - host hs-1 is directly connected to the router rt-1; 328*2195444eSAndrea Mayer # - host hs-2 is directly connected to the router rt-2. 329*2195444eSAndrea Mayer setup_hs 1 1 100 #args: host router tenant 330*2195444eSAndrea Mayer setup_hs 2 2 100 331*2195444eSAndrea Mayer 332*2195444eSAndrea Mayer # setup two hosts for the tenant 200 333*2195444eSAndrea Mayer # - host hs-3 is directly connected to the router rt-1; 334*2195444eSAndrea Mayer # - host hs-4 is directly connected to the router rt-2. 335*2195444eSAndrea Mayer setup_hs 3 1 200 336*2195444eSAndrea Mayer setup_hs 4 2 200 337*2195444eSAndrea Mayer 338*2195444eSAndrea Mayer # setup the IPv4 L3 VPN which connects the host hs-t100-1 and host 339*2195444eSAndrea Mayer # hs-t100-2 within the same tenant 100. 340*2195444eSAndrea Mayer setup_vpn_config 1 1 2 2 100 #args: src_host src_router dst_host dst_router tenant 341*2195444eSAndrea Mayer setup_vpn_config 2 2 1 1 100 342*2195444eSAndrea Mayer 343*2195444eSAndrea Mayer # setup the IPv4 L3 VPN which connects the host hs-t200-3 and host 344*2195444eSAndrea Mayer # hs-t200-4 within the same tenant 200. 345*2195444eSAndrea Mayer setup_vpn_config 3 1 4 2 200 346*2195444eSAndrea Mayer setup_vpn_config 4 2 3 1 200 347*2195444eSAndrea Mayer} 348*2195444eSAndrea Mayer 349*2195444eSAndrea Mayercheck_rt_connectivity() 350*2195444eSAndrea Mayer{ 351*2195444eSAndrea Mayer local rtsrc=$1 352*2195444eSAndrea Mayer local rtdst=$2 353*2195444eSAndrea Mayer 354*2195444eSAndrea Mayer ip netns exec rt-${rtsrc} ping -c 1 -W 1 ${IPv6_RT_NETWORK}::${rtdst} \ 355*2195444eSAndrea Mayer >/dev/null 2>&1 356*2195444eSAndrea Mayer} 357*2195444eSAndrea Mayer 358*2195444eSAndrea Mayercheck_and_log_rt_connectivity() 359*2195444eSAndrea Mayer{ 360*2195444eSAndrea Mayer local rtsrc=$1 361*2195444eSAndrea Mayer local rtdst=$2 362*2195444eSAndrea Mayer 363*2195444eSAndrea Mayer check_rt_connectivity ${rtsrc} ${rtdst} 364*2195444eSAndrea Mayer log_test $? 0 "Routers connectivity: rt-${rtsrc} -> rt-${rtdst}" 365*2195444eSAndrea Mayer} 366*2195444eSAndrea Mayer 367*2195444eSAndrea Mayercheck_hs_connectivity() 368*2195444eSAndrea Mayer{ 369*2195444eSAndrea Mayer local hssrc=$1 370*2195444eSAndrea Mayer local hsdst=$2 371*2195444eSAndrea Mayer local tid=$3 372*2195444eSAndrea Mayer 373*2195444eSAndrea Mayer ip netns exec hs-t${tid}-${hssrc} ping -c 1 -W ${PING_TIMEOUT_SEC} \ 374*2195444eSAndrea Mayer ${IPv4_HS_NETWORK}.${hsdst} >/dev/null 2>&1 375*2195444eSAndrea Mayer} 376*2195444eSAndrea Mayer 377*2195444eSAndrea Mayercheck_and_log_hs_connectivity() 378*2195444eSAndrea Mayer{ 379*2195444eSAndrea Mayer local hssrc=$1 380*2195444eSAndrea Mayer local hsdst=$2 381*2195444eSAndrea Mayer local tid=$3 382*2195444eSAndrea Mayer 383*2195444eSAndrea Mayer check_hs_connectivity ${hssrc} ${hsdst} ${tid} 384*2195444eSAndrea Mayer log_test $? 0 "Hosts connectivity: hs-t${tid}-${hssrc} -> hs-t${tid}-${hsdst} (tenant ${tid})" 385*2195444eSAndrea Mayer} 386*2195444eSAndrea Mayer 387*2195444eSAndrea Mayercheck_and_log_hs_isolation() 388*2195444eSAndrea Mayer{ 389*2195444eSAndrea Mayer local hssrc=$1 390*2195444eSAndrea Mayer local tidsrc=$2 391*2195444eSAndrea Mayer local hsdst=$3 392*2195444eSAndrea Mayer local tiddst=$4 393*2195444eSAndrea Mayer 394*2195444eSAndrea Mayer check_hs_connectivity ${hssrc} ${hsdst} ${tidsrc} 395*2195444eSAndrea Mayer # NOTE: ping should fail 396*2195444eSAndrea Mayer log_test $? 1 "Hosts isolation: hs-t${tidsrc}-${hssrc} -X-> hs-t${tiddst}-${hsdst}" 397*2195444eSAndrea Mayer} 398*2195444eSAndrea Mayer 399*2195444eSAndrea Mayer 400*2195444eSAndrea Mayercheck_and_log_hs2gw_connectivity() 401*2195444eSAndrea Mayer{ 402*2195444eSAndrea Mayer local hssrc=$1 403*2195444eSAndrea Mayer local tid=$2 404*2195444eSAndrea Mayer 405*2195444eSAndrea Mayer check_hs_connectivity ${hssrc} 254 ${tid} 406*2195444eSAndrea Mayer log_test $? 0 "Hosts connectivity: hs-t${tid}-${hssrc} -> gw (tenant ${tid})" 407*2195444eSAndrea Mayer} 408*2195444eSAndrea Mayer 409*2195444eSAndrea Mayerrouter_tests() 410*2195444eSAndrea Mayer{ 411*2195444eSAndrea Mayer log_section "IPv6 routers connectivity test" 412*2195444eSAndrea Mayer 413*2195444eSAndrea Mayer check_and_log_rt_connectivity 1 2 414*2195444eSAndrea Mayer check_and_log_rt_connectivity 2 1 415*2195444eSAndrea Mayer} 416*2195444eSAndrea Mayer 417*2195444eSAndrea Mayerhost2gateway_tests() 418*2195444eSAndrea Mayer{ 419*2195444eSAndrea Mayer log_section "IPv4 connectivity test among hosts and gateway" 420*2195444eSAndrea Mayer 421*2195444eSAndrea Mayer check_and_log_hs2gw_connectivity 1 100 422*2195444eSAndrea Mayer check_and_log_hs2gw_connectivity 2 100 423*2195444eSAndrea Mayer 424*2195444eSAndrea Mayer check_and_log_hs2gw_connectivity 3 200 425*2195444eSAndrea Mayer check_and_log_hs2gw_connectivity 4 200 426*2195444eSAndrea Mayer} 427*2195444eSAndrea Mayer 428*2195444eSAndrea Mayerhost_vpn_tests() 429*2195444eSAndrea Mayer{ 430*2195444eSAndrea Mayer log_section "SRv6 VPN connectivity test among hosts in the same tenant" 431*2195444eSAndrea Mayer 432*2195444eSAndrea Mayer check_and_log_hs_connectivity 1 2 100 433*2195444eSAndrea Mayer check_and_log_hs_connectivity 2 1 100 434*2195444eSAndrea Mayer 435*2195444eSAndrea Mayer check_and_log_hs_connectivity 3 4 200 436*2195444eSAndrea Mayer check_and_log_hs_connectivity 4 3 200 437*2195444eSAndrea Mayer} 438*2195444eSAndrea Mayer 439*2195444eSAndrea Mayerhost_vpn_isolation_tests() 440*2195444eSAndrea Mayer{ 441*2195444eSAndrea Mayer local i 442*2195444eSAndrea Mayer local j 443*2195444eSAndrea Mayer local k 444*2195444eSAndrea Mayer local tmp 445*2195444eSAndrea Mayer local l1="1 2" 446*2195444eSAndrea Mayer local l2="3 4" 447*2195444eSAndrea Mayer local t1=100 448*2195444eSAndrea Mayer local t2=200 449*2195444eSAndrea Mayer 450*2195444eSAndrea Mayer log_section "SRv6 VPN isolation test among hosts in different tentants" 451*2195444eSAndrea Mayer 452*2195444eSAndrea Mayer for k in 0 1; do 453*2195444eSAndrea Mayer for i in ${l1}; do 454*2195444eSAndrea Mayer for j in ${l2}; do 455*2195444eSAndrea Mayer check_and_log_hs_isolation ${i} ${t1} ${j} ${t2} 456*2195444eSAndrea Mayer done 457*2195444eSAndrea Mayer done 458*2195444eSAndrea Mayer 459*2195444eSAndrea Mayer # let us test the reverse path 460*2195444eSAndrea Mayer tmp="${l1}"; l1="${l2}"; l2="${tmp}" 461*2195444eSAndrea Mayer tmp=${t1}; t1=${t2}; t2=${tmp} 462*2195444eSAndrea Mayer done 463*2195444eSAndrea Mayer} 464*2195444eSAndrea Mayer 465*2195444eSAndrea Mayerif [ "$(id -u)" -ne 0 ];then 466*2195444eSAndrea Mayer echo "SKIP: Need root privileges" 467*2195444eSAndrea Mayer exit 0 468*2195444eSAndrea Mayerfi 469*2195444eSAndrea Mayer 470*2195444eSAndrea Mayerif [ ! -x "$(command -v ip)" ]; then 471*2195444eSAndrea Mayer echo "SKIP: Could not run test without ip tool" 472*2195444eSAndrea Mayer exit 0 473*2195444eSAndrea Mayerfi 474*2195444eSAndrea Mayer 475*2195444eSAndrea Mayermodprobe vrf &>/dev/null 476*2195444eSAndrea Mayerif [ ! -e /proc/sys/net/vrf/strict_mode ]; then 477*2195444eSAndrea Mayer echo "SKIP: vrf sysctl does not exist" 478*2195444eSAndrea Mayer exit 0 479*2195444eSAndrea Mayerfi 480*2195444eSAndrea Mayer 481*2195444eSAndrea Mayercleanup &>/dev/null 482*2195444eSAndrea Mayer 483*2195444eSAndrea Mayersetup 484*2195444eSAndrea Mayer 485*2195444eSAndrea Mayerrouter_tests 486*2195444eSAndrea Mayerhost2gateway_tests 487*2195444eSAndrea Mayerhost_vpn_tests 488*2195444eSAndrea Mayerhost_vpn_isolation_tests 489*2195444eSAndrea Mayer 490*2195444eSAndrea Mayerprint_log_test_results 491*2195444eSAndrea Mayer 492*2195444eSAndrea Mayercleanup &>/dev/null 493*2195444eSAndrea Mayer 494*2195444eSAndrea Mayerexit ${ret} 495