diff options
Diffstat (limited to 'tools/testing/selftests/net/vrf-xfrm-tests.sh')
| -rwxr-xr-x | tools/testing/selftests/net/vrf-xfrm-tests.sh | 436 |
1 files changed, 436 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/vrf-xfrm-tests.sh b/tools/testing/selftests/net/vrf-xfrm-tests.sh new file mode 100755 index 000000000000..184da81f554f --- /dev/null +++ b/tools/testing/selftests/net/vrf-xfrm-tests.sh @@ -0,0 +1,436 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Various combinations of VRF with xfrms and qdisc. + +# Kselftest framework requirement - SKIP code is 4. +ksft_skip=4 + +PAUSE_ON_FAIL=no +VERBOSE=0 +ret=0 + +HOST1_4=192.168.1.1 +HOST2_4=192.168.1.2 +HOST1_6=2001:db8:1::1 +HOST2_6=2001:db8:1::2 + +XFRM1_4=10.0.1.1 +XFRM2_4=10.0.1.2 +XFRM1_6=fc00:1000::1 +XFRM2_6=fc00:1000::2 +IF_ID=123 + +VRF=red +TABLE=300 + +AUTH_1=0xd94fcfea65fddf21dc6e0d24a0253508 +AUTH_2=0xdc6e0d24a0253508d94fcfea65fddf21 +ENC_1=0xfc46c20f8048be9725930ff3fb07ac2a91f0347dffeacf62 +ENC_2=0x3fb07ac2a91f0347dffeacf62fc46c20f8048be9725930ff +SPI_1=0x02122b77 +SPI_2=0x2b770212 + +which ping6 > /dev/null 2>&1 && ping6=$(which ping6) || ping6=$(which ping) + +################################################################################ +# +log_test() +{ + local rc=$1 + local expected=$2 + local msg="$3" + + if [ ${rc} -eq ${expected} ]; then + printf "TEST: %-60s [ OK ]\n" "${msg}" + nsuccess=$((nsuccess+1)) + else + ret=1 + nfail=$((nfail+1)) + printf "TEST: %-60s [FAIL]\n" "${msg}" + if [ "${PAUSE_ON_FAIL}" = "yes" ]; then + echo + echo "hit enter to continue, 'q' to quit" + read a + [ "$a" = "q" ] && exit 1 + fi + fi +} + +run_cmd_host1() +{ + local cmd="$*" + local out + local rc + + if [ "$VERBOSE" = "1" ]; then + printf " COMMAND: $cmd\n" + fi + + out=$(eval ip netns exec host1 $cmd 2>&1) + rc=$? + if [ "$VERBOSE" = "1" ]; then + if [ -n "$out" ]; then + echo + echo " $out" + fi + echo + fi + + return $rc +} + +################################################################################ +# create namespaces for hosts and sws + +create_vrf() +{ + local ns=$1 + local vrf=$2 + local table=$3 + + if [ -n "${ns}" ]; then + ns="-netns ${ns}" + fi + + ip ${ns} link add ${vrf} type vrf table ${table} + ip ${ns} link set ${vrf} up + ip ${ns} route add vrf ${vrf} unreachable default metric 8192 + ip ${ns} -6 route add vrf ${vrf} unreachable default metric 8192 + + ip ${ns} addr add 127.0.0.1/8 dev ${vrf} + ip ${ns} -6 addr add ::1 dev ${vrf} nodad + + ip ${ns} ru del pref 0 + ip ${ns} ru add pref 32765 from all lookup local + ip ${ns} -6 ru del pref 0 + ip ${ns} -6 ru add pref 32765 from all lookup local +} + +create_ns() +{ + local ns=$1 + local addr=$2 + local addr6=$3 + + [ -z "${addr}" ] && addr="-" + [ -z "${addr6}" ] && addr6="-" + + ip netns add ${ns} + + ip -netns ${ns} link set lo up + if [ "${addr}" != "-" ]; then + ip -netns ${ns} addr add dev lo ${addr} + fi + if [ "${addr6}" != "-" ]; then + ip -netns ${ns} -6 addr add dev lo ${addr6} + fi + + ip -netns ${ns} ro add unreachable default metric 8192 + ip -netns ${ns} -6 ro add unreachable default metric 8192 + + ip netns exec ${ns} sysctl -qw net.ipv4.ip_forward=1 + ip netns exec ${ns} sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1 + ip netns exec ${ns} sysctl -qw net.ipv6.conf.all.forwarding=1 + ip netns exec ${ns} sysctl -qw net.ipv6.conf.default.forwarding=1 + ip netns exec ${ns} sysctl -qw net.ipv6.conf.default.accept_dad=0 +} + +# create veth pair to connect namespaces and apply addresses. +connect_ns() +{ + local ns1=$1 + local ns1_dev=$2 + local ns1_addr=$3 + local ns1_addr6=$4 + local ns2=$5 + local ns2_dev=$6 + local ns2_addr=$7 + local ns2_addr6=$8 + local ns1arg + local ns2arg + + if [ -n "${ns1}" ]; then + ns1arg="-netns ${ns1}" + fi + if [ -n "${ns2}" ]; then + ns2arg="-netns ${ns2}" + fi + + ip ${ns1arg} li add ${ns1_dev} type veth peer name tmp + ip ${ns1arg} li set ${ns1_dev} up + ip ${ns1arg} li set tmp netns ${ns2} name ${ns2_dev} + ip ${ns2arg} li set ${ns2_dev} up + + if [ "${ns1_addr}" != "-" ]; then + ip ${ns1arg} addr add dev ${ns1_dev} ${ns1_addr} + ip ${ns2arg} addr add dev ${ns2_dev} ${ns2_addr} + fi + + if [ "${ns1_addr6}" != "-" ]; then + ip ${ns1arg} addr add dev ${ns1_dev} ${ns1_addr6} nodad + ip ${ns2arg} addr add dev ${ns2_dev} ${ns2_addr6} nodad + fi +} + +################################################################################ + +cleanup() +{ + ip netns del host1 + ip netns del host2 +} + +setup() +{ + create_ns "host1" + create_ns "host2" + + connect_ns "host1" eth0 ${HOST1_4}/24 ${HOST1_6}/64 \ + "host2" eth0 ${HOST2_4}/24 ${HOST2_6}/64 + + create_vrf "host1" ${VRF} ${TABLE} + ip -netns host1 link set dev eth0 master ${VRF} +} + +cleanup_xfrm() +{ + for ns in host1 host2 + do + for x in state policy + do + ip -netns ${ns} xfrm ${x} flush + ip -6 -netns ${ns} xfrm ${x} flush + done + done +} + +setup_xfrm() +{ + local h1_4=$1 + local h2_4=$2 + local h1_6=$3 + local h2_6=$4 + local devarg="$5" + + # + # policy + # + + # host1 - IPv4 out + ip -netns host1 xfrm policy add \ + src ${h1_4} dst ${h2_4} ${devarg} dir out \ + tmpl src ${HOST1_4} dst ${HOST2_4} proto esp mode tunnel + + # host2 - IPv4 in + ip -netns host2 xfrm policy add \ + src ${h1_4} dst ${h2_4} dir in \ + tmpl src ${HOST1_4} dst ${HOST2_4} proto esp mode tunnel + + # host1 - IPv4 in + ip -netns host1 xfrm policy add \ + src ${h2_4} dst ${h1_4} ${devarg} dir in \ + tmpl src ${HOST2_4} dst ${HOST1_4} proto esp mode tunnel + + # host2 - IPv4 out + ip -netns host2 xfrm policy add \ + src ${h2_4} dst ${h1_4} dir out \ + tmpl src ${HOST2_4} dst ${HOST1_4} proto esp mode tunnel + + + # host1 - IPv6 out + ip -6 -netns host1 xfrm policy add \ + src ${h1_6} dst ${h2_6} ${devarg} dir out \ + tmpl src ${HOST1_6} dst ${HOST2_6} proto esp mode tunnel + + # host2 - IPv6 in + ip -6 -netns host2 xfrm policy add \ + src ${h1_6} dst ${h2_6} dir in \ + tmpl src ${HOST1_6} dst ${HOST2_6} proto esp mode tunnel + + # host1 - IPv6 in + ip -6 -netns host1 xfrm policy add \ + src ${h2_6} dst ${h1_6} ${devarg} dir in \ + tmpl src ${HOST2_6} dst ${HOST1_6} proto esp mode tunnel + + # host2 - IPv6 out + ip -6 -netns host2 xfrm policy add \ + src ${h2_6} dst ${h1_6} dir out \ + tmpl src ${HOST2_6} dst ${HOST1_6} proto esp mode tunnel + + # + # state + # + ip -netns host1 xfrm state add src ${HOST1_4} dst ${HOST2_4} \ + proto esp spi ${SPI_1} reqid 0 mode tunnel \ + replay-window 4 replay-oseq 0x4 \ + auth-trunc 'hmac(md5)' ${AUTH_1} 96 \ + enc 'cbc(des3_ede)' ${ENC_1} \ + sel src ${h1_4} dst ${h2_4} ${devarg} + + ip -netns host2 xfrm state add src ${HOST1_4} dst ${HOST2_4} \ + proto esp spi ${SPI_1} reqid 0 mode tunnel \ + replay-window 4 replay-oseq 0x4 \ + auth-trunc 'hmac(md5)' ${AUTH_1} 96 \ + enc 'cbc(des3_ede)' ${ENC_1} \ + sel src ${h1_4} dst ${h2_4} + + + ip -netns host1 xfrm state add src ${HOST2_4} dst ${HOST1_4} \ + proto esp spi ${SPI_2} reqid 0 mode tunnel \ + replay-window 4 replay-oseq 0x4 \ + auth-trunc 'hmac(md5)' ${AUTH_2} 96 \ + enc 'cbc(des3_ede)' ${ENC_2} \ + sel src ${h2_4} dst ${h1_4} ${devarg} + + ip -netns host2 xfrm state add src ${HOST2_4} dst ${HOST1_4} \ + proto esp spi ${SPI_2} reqid 0 mode tunnel \ + replay-window 4 replay-oseq 0x4 \ + auth-trunc 'hmac(md5)' ${AUTH_2} 96 \ + enc 'cbc(des3_ede)' ${ENC_2} \ + sel src ${h2_4} dst ${h1_4} + + + ip -6 -netns host1 xfrm state add src ${HOST1_6} dst ${HOST2_6} \ + proto esp spi ${SPI_1} reqid 0 mode tunnel \ + replay-window 4 replay-oseq 0x4 \ + auth-trunc 'hmac(md5)' ${AUTH_1} 96 \ + enc 'cbc(des3_ede)' ${ENC_1} \ + sel src ${h1_6} dst ${h2_6} ${devarg} + + ip -6 -netns host2 xfrm state add src ${HOST1_6} dst ${HOST2_6} \ + proto esp spi ${SPI_1} reqid 0 mode tunnel \ + replay-window 4 replay-oseq 0x4 \ + auth-trunc 'hmac(md5)' ${AUTH_1} 96 \ + enc 'cbc(des3_ede)' ${ENC_1} \ + sel src ${h1_6} dst ${h2_6} + + + ip -6 -netns host1 xfrm state add src ${HOST2_6} dst ${HOST1_6} \ + proto esp spi ${SPI_2} reqid 0 mode tunnel \ + replay-window 4 replay-oseq 0x4 \ + auth-trunc 'hmac(md5)' ${AUTH_2} 96 \ + enc 'cbc(des3_ede)' ${ENC_2} \ + sel src ${h2_6} dst ${h1_6} ${devarg} + + ip -6 -netns host2 xfrm state add src ${HOST2_6} dst ${HOST1_6} \ + proto esp spi ${SPI_2} reqid 0 mode tunnel \ + replay-window 4 replay-oseq 0x4 \ + auth-trunc 'hmac(md5)' ${AUTH_2} 96 \ + enc 'cbc(des3_ede)' ${ENC_2} \ + sel src ${h2_6} dst ${h1_6} +} + +cleanup_xfrm_dev() +{ + ip -netns host1 li del xfrm0 + ip -netns host2 addr del ${XFRM2_4}/24 dev eth0 + ip -netns host2 addr del ${XFRM2_6}/64 dev eth0 +} + +setup_xfrm_dev() +{ + local vrfarg="vrf ${VRF}" + + ip -netns host1 li add type xfrm dev eth0 if_id ${IF_ID} + ip -netns host1 li set xfrm0 ${vrfarg} up + ip -netns host1 addr add ${XFRM1_4}/24 dev xfrm0 + ip -netns host1 addr add ${XFRM1_6}/64 dev xfrm0 + + ip -netns host2 addr add ${XFRM2_4}/24 dev eth0 + ip -netns host2 addr add ${XFRM2_6}/64 dev eth0 + + setup_xfrm ${XFRM1_4} ${XFRM2_4} ${XFRM1_6} ${XFRM2_6} "if_id ${IF_ID}" +} + +run_tests() +{ + cleanup_xfrm + + # no IPsec + run_cmd_host1 ip vrf exec ${VRF} ping -c1 -w1 ${HOST2_4} + log_test $? 0 "IPv4 no xfrm policy" + run_cmd_host1 ip vrf exec ${VRF} ${ping6} -c1 -w1 ${HOST2_6} + log_test $? 0 "IPv6 no xfrm policy" + + # xfrm without VRF in sel + setup_xfrm ${HOST1_4} ${HOST2_4} ${HOST1_6} ${HOST2_6} + run_cmd_host1 ip vrf exec ${VRF} ping -c1 -w1 ${HOST2_4} + log_test $? 0 "IPv4 xfrm policy based on address" + run_cmd_host1 ip vrf exec ${VRF} ${ping6} -c1 -w1 ${HOST2_6} + log_test $? 0 "IPv6 xfrm policy based on address" + cleanup_xfrm + + # xfrm with VRF in sel + # Known failure: ipv4 resets the flow oif after the lookup. Fix is + # not straightforward. + # setup_xfrm ${HOST1_4} ${HOST2_4} ${HOST1_6} ${HOST2_6} "dev ${VRF}" + # run_cmd_host1 ip vrf exec ${VRF} ping -c1 -w1 ${HOST2_4} + # log_test $? 0 "IPv4 xfrm policy with VRF in selector" + run_cmd_host1 ip vrf exec ${VRF} ${ping6} -c1 -w1 ${HOST2_6} + log_test $? 0 "IPv6 xfrm policy with VRF in selector" + cleanup_xfrm + + # xfrm with enslaved device in sel + # Known failures: combined with the above, __xfrm{4,6}_selector_match + # needs to consider both l3mdev and enslaved device index. + # setup_xfrm ${HOST1_4} ${HOST2_4} ${HOST1_6} ${HOST2_6} "dev eth0" + # run_cmd_host1 ip vrf exec ${VRF} ping -c1 -w1 ${HOST2_4} + # log_test $? 0 "IPv4 xfrm policy with enslaved device in selector" + # run_cmd_host1 ip vrf exec ${VRF} ${ping6} -c1 -w1 ${HOST2_6} + # log_test $? 0 "IPv6 xfrm policy with enslaved device in selector" + # cleanup_xfrm + + # xfrm device + setup_xfrm_dev + run_cmd_host1 ip vrf exec ${VRF} ping -c1 -w1 ${XFRM2_4} + log_test $? 0 "IPv4 xfrm policy with xfrm device" + run_cmd_host1 ip vrf exec ${VRF} ${ping6} -c1 -w1 ${XFRM2_6} + log_test $? 0 "IPv6 xfrm policy with xfrm device" + cleanup_xfrm_dev +} + +################################################################################ +# usage + +usage() +{ + cat <<EOF +usage: ${0##*/} OPTS + + -p Pause on fail + -v verbose mode (show commands and output) + +done +EOF +} + +################################################################################ +# main + +while getopts :pv o +do + case $o in + p) PAUSE_ON_FAIL=yes;; + v) VERBOSE=$(($VERBOSE + 1));; + h) usage; exit 0;; + *) usage; exit 1;; + esac +done + +cleanup 2>/dev/null +setup + +echo +echo "No qdisc on VRF device" +run_tests + +run_cmd_host1 tc qdisc add dev ${VRF} root netem delay 100ms +echo +echo "netem qdisc on VRF device" +run_tests + +printf "\nTests passed: %3d\n" ${nsuccess} +printf "Tests failed: %3d\n" ${nfail} + +exit $ret |