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Diffstat (limited to 'tools/testing/selftests/net/amt.sh')
| -rwxr-xr-x | tools/testing/selftests/net/amt.sh | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/amt.sh b/tools/testing/selftests/net/amt.sh new file mode 100755 index 000000000..75528788c --- /dev/null +++ b/tools/testing/selftests/net/amt.sh @@ -0,0 +1,284 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 + +# Author: Taehee Yoo <ap420073@gmail.com> +# +# This script evaluates the AMT driver. +# There are four network-namespaces, LISTENER, SOURCE, GATEWAY, RELAY. +# The role of LISTENER is to listen multicast traffic. +# In order to do that, it send IGMP group join message. +# The role of SOURCE is to send multicast traffic to listener. +# The role of GATEWAY is to work Gateway role of AMT interface. +# The role of RELAY is to work Relay role of AMT interface. +# +# +# +------------------------+ +# | LISTENER netns | +# | | +# | +------------------+ | +# | | l_gw | | +# | | 192.168.0.2/24 | | +# | | 2001:db8::2/64 | | +# | +------------------+ | +# | . | +# +------------------------+ +# . +# . +# +-----------------------------------------------------+ +# | . GATEWAY netns | +# | . | +# |+---------------------------------------------------+| +# || . br0 || +# || +------------------+ +------------------+ || +# || | gw_l | | amtg | || +# || | 192.168.0.1/24 | +--------+---------+ || +# || | 2001:db8::1/64 | | || +# || +------------------+ | || +# |+-------------------------------------|-------------+| +# | | | +# | +--------+---------+ | +# | | gw_relay | | +# | | 10.0.0.1/24 | | +# | +------------------+ | +# | . | +# +-----------------------------------------------------+ +# . +# . +# +-----------------------------------------------------+ +# | RELAY netns . | +# | +------------------+ | +# | | relay_gw | | +# | | 10.0.0.2/24 | | +# | +--------+---------+ | +# | | | +# | | | +# | +------------------+ +--------+---------+ | +# | | relay_src | | amtr | | +# | | 172.17.0.1/24 | +------------------+ | +# | | 2001:db8:3::1/64 | | +# | +------------------+ | +# | . | +# | . | +# +-----------------------------------------------------+ +# . +# . +# +------------------------+ +# | . | +# | +------------------+ | +# | | src_relay | | +# | | 172.17.0.2/24 | | +# | | 2001:db8:3::2/64 | | +# | +------------------+ | +# | SOURCE netns | +# +------------------------+ +#============================================================================== + +readonly LISTENER=$(mktemp -u listener-XXXXXXXX) +readonly GATEWAY=$(mktemp -u gateway-XXXXXXXX) +readonly RELAY=$(mktemp -u relay-XXXXXXXX) +readonly SOURCE=$(mktemp -u source-XXXXXXXX) +ERR=4 +err=0 + +exit_cleanup() +{ + for ns in "$@"; do + ip netns delete "${ns}" 2>/dev/null || true + done + + exit $ERR +} + +create_namespaces() +{ + ip netns add "${LISTENER}" || exit_cleanup + ip netns add "${GATEWAY}" || exit_cleanup "${LISTENER}" + ip netns add "${RELAY}" || exit_cleanup "${LISTENER}" "${GATEWAY}" + ip netns add "${SOURCE}" || exit_cleanup "${LISTENER}" "${GATEWAY}" \ + "${RELAY}" +} + +# The trap function handler +# +exit_cleanup_all() +{ + exit_cleanup "${LISTENER}" "${GATEWAY}" "${RELAY}" "${SOURCE}" +} + +setup_interface() +{ + for ns in "${LISTENER}" "${GATEWAY}" "${RELAY}" "${SOURCE}"; do + ip -netns "${ns}" link set dev lo up + done; + + ip link add l_gw type veth peer name gw_l + ip link add gw_relay type veth peer name relay_gw + ip link add relay_src type veth peer name src_relay + + ip link set l_gw netns "${LISTENER}" up + ip link set gw_l netns "${GATEWAY}" up + ip link set gw_relay netns "${GATEWAY}" up + ip link set relay_gw netns "${RELAY}" up + ip link set relay_src netns "${RELAY}" up + ip link set src_relay netns "${SOURCE}" up mtu 1400 + + ip netns exec "${LISTENER}" ip a a 192.168.0.2/24 dev l_gw + ip netns exec "${LISTENER}" ip r a default via 192.168.0.1 dev l_gw + ip netns exec "${LISTENER}" ip a a 2001:db8::2/64 dev l_gw + ip netns exec "${LISTENER}" ip r a default via 2001:db8::1 dev l_gw + ip netns exec "${LISTENER}" ip a a 239.0.0.1/32 dev l_gw autojoin + ip netns exec "${LISTENER}" ip a a ff0e::5:6/128 dev l_gw autojoin + + ip netns exec "${GATEWAY}" ip a a 192.168.0.1/24 dev gw_l + ip netns exec "${GATEWAY}" ip a a 2001:db8::1/64 dev gw_l + ip netns exec "${GATEWAY}" ip a a 10.0.0.1/24 dev gw_relay + ip netns exec "${GATEWAY}" ip link add br0 type bridge + ip netns exec "${GATEWAY}" ip link set br0 up + ip netns exec "${GATEWAY}" ip link set gw_l master br0 + ip netns exec "${GATEWAY}" ip link set gw_l up + ip netns exec "${GATEWAY}" ip link add amtg master br0 type amt \ + mode gateway local 10.0.0.1 discovery 10.0.0.2 dev gw_relay \ + gateway_port 2268 relay_port 2268 + ip netns exec "${RELAY}" ip a a 10.0.0.2/24 dev relay_gw + ip netns exec "${RELAY}" ip link add amtr type amt mode relay \ + local 10.0.0.2 dev relay_gw relay_port 2268 max_tunnels 4 + ip netns exec "${RELAY}" ip a a 172.17.0.1/24 dev relay_src + ip netns exec "${RELAY}" ip a a 2001:db8:3::1/64 dev relay_src + ip netns exec "${SOURCE}" ip a a 172.17.0.2/24 dev src_relay + ip netns exec "${SOURCE}" ip a a 2001:db8:3::2/64 dev src_relay + ip netns exec "${SOURCE}" ip r a default via 172.17.0.1 dev src_relay + ip netns exec "${SOURCE}" ip r a default via 2001:db8:3::1 dev src_relay + ip netns exec "${RELAY}" ip link set amtr up + ip netns exec "${GATEWAY}" ip link set amtg up +} + +setup_sysctl() +{ + ip netns exec "${RELAY}" sysctl net.ipv4.ip_forward=1 -w -q +} + +setup_iptables() +{ + ip netns exec "${RELAY}" iptables -t mangle -I PREROUTING \ + -d 239.0.0.1 -j TTL --ttl-set 2 + ip netns exec "${RELAY}" ip6tables -t mangle -I PREROUTING \ + -j HL --hl-set 2 +} + +setup_mcast_routing() +{ + ip netns exec "${RELAY}" smcrouted + ip netns exec "${RELAY}" smcroutectl a relay_src \ + 172.17.0.2 239.0.0.1 amtr + ip netns exec "${RELAY}" smcroutectl a relay_src \ + 2001:db8:3::2 ff0e::5:6 amtr +} + +test_remote_ip() +{ + REMOTE=$(ip netns exec "${GATEWAY}" \ + ip -d -j link show amtg | jq .[0].linkinfo.info_data.remote) + if [ $REMOTE == "\"10.0.0.2\"" ]; then + printf "TEST: %-60s [ OK ]\n" "amt discovery" + else + printf "TEST: %-60s [FAIL]\n" "amt discovery" + ERR=1 + fi +} + +send_mcast_torture4() +{ + ip netns exec "${SOURCE}" bash -c \ + 'cat /dev/urandom | head -c 1G | nc -w 1 -u 239.0.0.1 4001' +} + + +send_mcast_torture6() +{ + ip netns exec "${SOURCE}" bash -c \ + 'cat /dev/urandom | head -c 1G | nc -w 1 -u ff0e::5:6 6001' +} + +check_features() +{ + ip link help 2>&1 | grep -q amt + if [ $? -ne 0 ]; then + echo "Missing amt support in iproute2" >&2 + exit_cleanup + fi +} + +test_ipv4_forward() +{ + RESULT4=$(ip netns exec "${LISTENER}" nc -w 1 -l -u 239.0.0.1 4000) + if [ "$RESULT4" == "172.17.0.2" ]; then + printf "TEST: %-60s [ OK ]\n" "IPv4 amt multicast forwarding" + exit 0 + else + printf "TEST: %-60s [FAIL]\n" "IPv4 amt multicast forwarding" + exit 1 + fi +} + +test_ipv6_forward() +{ + RESULT6=$(ip netns exec "${LISTENER}" nc -w 1 -l -u ff0e::5:6 6000) + if [ "$RESULT6" == "2001:db8:3::2" ]; then + printf "TEST: %-60s [ OK ]\n" "IPv6 amt multicast forwarding" + exit 0 + else + printf "TEST: %-60s [FAIL]\n" "IPv6 amt multicast forwarding" + exit 1 + fi +} + +send_mcast4() +{ + sleep 2 + ip netns exec "${SOURCE}" bash -c \ + 'echo 172.17.0.2 | nc -w 1 -u 239.0.0.1 4000' & +} + +send_mcast6() +{ + sleep 2 + ip netns exec "${SOURCE}" bash -c \ + 'echo 2001:db8:3::2 | nc -w 1 -u ff0e::5:6 6000' & +} + +check_features + +create_namespaces + +set -e +trap exit_cleanup_all EXIT + +setup_interface +setup_sysctl +setup_iptables +setup_mcast_routing +test_remote_ip +test_ipv4_forward & +pid=$! +send_mcast4 +wait $pid || err=$? +if [ $err -eq 1 ]; then + ERR=1 +fi +test_ipv6_forward & +pid=$! +send_mcast6 +wait $pid || err=$? +if [ $err -eq 1 ]; then + ERR=1 +fi +send_mcast_torture4 +printf "TEST: %-60s [ OK ]\n" "IPv4 amt traffic forwarding torture" +send_mcast_torture6 +printf "TEST: %-60s [ OK ]\n" "IPv6 amt traffic forwarding torture" +sleep 5 +if [ "${ERR}" -eq 1 ]; then + echo "Some tests failed." >&2 +else + ERR=0 +fi |