selftests/net/amt.sh

2 # SPDX-License-Identifier: GPL-2.0
7 # There are four network-namespaces, LISTENER, SOURCE, GATEWAY, RELAY.
15 #       +------------------------+
18 #       |  +------------------+  |
22 #       |  +------------------+  |
24 #       +------------------------+
27 #       +-----------------------------------------------------+
30 #       |+---------------------------------------------------+|
32 #       || +------------------+       +------------------+   ||
34 #       || |  192.168.0.1/24  |       +--------+---------+   ||
36 #       || +------------------+                |             ||
37 #       |+-------------------------------------|-------------+|
39 #       |                             +--------+---------+    |
42 #       |                             +------------------+    |
44 #       +-----------------------------------------------------+
47 #       +-----------------------------------------------------+
49 #       |                             +------------------+    |
52 #       |                             +--------+---------+    |
55 #       |  +------------------+       +--------+---------+    |
57 #       |  |   172.17.0.1/24  |       +------------------+    |
59 #       |  +------------------+                               |
62 #       +-----------------------------------------------------+
65 #       +------------------------+
67 #       |  +------------------+  |
71 #       |  +------------------+  |
73 #       +------------------------+
76 readonly LISTENER=$(mktemp -u listener-XXXXXXXX)
77 readonly GATEWAY=$(mktemp -u gateway-XXXXXXXX)
78 readonly RELAY=$(mktemp -u relay-XXXXXXXX)
79 readonly SOURCE=$(mktemp -u source-XXXXXXXX)
80 readonly SMCROUTEDIR="$(mktemp -d)"
89 	if [ -f "$SMCROUTEDIR/amt.pid" ]; then
90 		smcpid=$(< $SMCROUTEDIR/amt.pid)
93 	rm -rf $SMCROUTEDIR
117 		ip -netns "${ns}" link set dev lo up
163 	ip netns exec "${RELAY}" sysctl net.ipv4.ip_forward=1 -w -q
168 	ip netns exec "${RELAY}" iptables -t mangle -I PREROUTING \
169 		-d 239.0.0.1 -j TTL --ttl-set 2
170 	ip netns exec "${RELAY}" ip6tables -t mangle -I PREROUTING \
171 		-j HL --hl-set 2
176 	ip netns exec "${RELAY}" smcrouted -P $SMCROUTEDIR/amt.pid
185 	REMOTE=$(ip netns exec "${GATEWAY}" \
186 		ip -d -j link show amtg | jq .[0].linkinfo.info_data.remote)
187 	if [ $REMOTE == "\"10.0.0.2\"" ]; then
188 		printf "TEST: %-60s  [ OK ]\n" "amt discovery"
190 		printf "TEST: %-60s  [FAIL]\n" "amt discovery"
198 		ip netns exec "${SOURCE}" bash -c \
199 		   'cat /dev/urandom | head -c 100M | nc -w 1 -u 239.0.0.1 4001'
200 		echo -n "."
208 		ip netns exec "${SOURCE}" bash -c \
209 		   'cat /dev/urandom | head -c 100M | nc -w 1 -u ff0e::5:6 6001'
210 		echo -n "."
216         ip link help 2>&1 | grep -q amt
217         if [ $? -ne 0 ]; then
225 	RESULT4=$(ip netns exec "${LISTENER}" timeout 15 socat - UDP4-LISTEN:4000,readbytes=128 || true)
226 	if echo "$RESULT4" | grep -q "172.17.0.2"; then
227 		printf "TEST: %-60s  [ OK ]\n" "IPv4 amt multicast forwarding"
230 		printf "TEST: %-60s  [FAIL]\n" "IPv4 amt multicast forwarding"
237 	RESULT6=$(ip netns exec "${LISTENER}" timeout 15 socat - UDP6-LISTEN:6000,readbytes=128 || true)
238 	if echo "$RESULT6" | grep -q "2001:db8:3::2"; then
239 		printf "TEST: %-60s  [ OK ]\n" "IPv6 amt multicast forwarding"
242 		printf "TEST: %-60s  [FAIL]\n" "IPv6 amt multicast forwarding"
250 	ip netns exec "${SOURCE}" bash -c \
251 		'printf "%s %128s" 172.17.0.2 | nc -w 1 -u 239.0.0.1 4000' &
257 	ip netns exec "${SOURCE}" bash -c \
258 		'printf "%s %128s" 2001:db8:3::2 | nc -w 1 -u ff0e::5:6 6000' &
265 set -e
274 pid=$!
276 wait $pid || err=$?
277 if [ $err -eq 1 ]; then
281 pid=$!
283 wait $pid || err=$?
284 if [ $err -eq 1 ]; then
287 printf "TEST: %-50s" "IPv4 amt traffic forwarding torture"
290 printf "TEST: %-50s" "IPv6 amt traffic forwarding torture"
294 if [ "${ERR}" -eq 1 ]; then