2 # SPDX-License-Identifier: GPL-2.0
5 rndh=$(printf %x $sec)-$(mktemp -u XXXXXX)
10 timeout_test=$((timeout_poll * 2 + 1))
15 # mptcp_connect in join mode will sleep a bit before completing,
19 ip netns pids "${ns}" | xargs --no-run-if-empty kill -SIGUSR1 &>/dev/null
21 for _ in $(seq 10); do
22 [ -z "$(ip netns pids "${ns}")" ] && break
29 ip netns pids "${ns}" | xargs --no-run-if-empty kill -SIGKILL &>/dev/null
34 ip -Version > /dev/null 2>&1
36 echo "SKIP: Could not run test without ip tool"
41 echo "SKIP: ss tool does not support MPTCP"
47 ip netns exec $ns cat /proc/net/protocols | awk '$1~/^MPTCP$/{print $3}'
61 if [ $nr != $expected ]; then
62 echo "[ fail ] expected $expected found $nr"
67 test_cnt=$((test_cnt+1))
75 __chk_nr "ss -inmHMN $ns | $condition" $*
80 __chk_msk_nr "grep -c token:" $*
85 local condition="grep -c token:"
95 while [ $i -lt $timeout ]; do
96 nr=$(ss -inmHMN $ns | $condition)
97 [ $nr == $expected ] && break;
98 [ $nr -gt $max ] && max=$nr
103 printf "%-50s" "$msg"
104 if [ $i -ge $timeout ]; then
105 echo "[ fail ] timeout while expecting $expected max $max last $nr"
107 elif [ $nr != $expected ]; then
108 echo "[ fail ] expected $expected found $nr"
113 test_cnt=$((test_cnt+1))
116 chk_msk_fallback_nr()
118 __chk_msk_nr "grep -c fallback" $*
121 chk_msk_remote_key_nr()
123 __chk_msk_nr "grep -c remote_key" $*
134 nr=$(ss -N $ns -Ml "$filter" | grep -c LISTEN)
135 printf "%-50s" "$msg"
137 if [ $nr != $expected ]; then
138 echo "[ fail ] expected $expected found $nr"
148 local msg="check for listen socket"
150 # destination port search should always return empty list
151 __chk_listen "dport $lport" 0 "listen match for dport $lport"
153 # should return 'our' mptcp listen socket
154 __chk_listen "sport $lport" 1 "listen match for sport $lport"
156 __chk_listen "src inet:0.0.0.0:$lport" 1 "listen match for saddr and sport"
158 __chk_listen "" 1 "all listen sockets"
160 nr=$(ss -Ml $filter | wc -l)
170 listen_nr=$(ss -N "${ns}" -Ml | grep -c LISTEN)
171 expected=$((expected + listen_nr))
173 for _ in $(seq 10); do
174 if [ $(get_msk_inuse) -eq $expected ];then
180 __chk_nr get_msk_inuse $expected $*
184 wait_local_port_listen()
186 local listener_ns="${1}"
191 port_hex="$(printf "%04X" "${port}")"
192 for i in $(seq 10); do
193 ip netns exec "${listener_ns}" cat /proc/net/tcp | \
194 awk "BEGIN {rc=1} {if (\$2 ~ /:${port_hex}\$/ && \$4 ~ /0A/) {rc=0; exit}} END {exit rc}" &&
202 local listener_ns="${1}"
207 port_hex="$(printf "%04X" "${port}")"
208 for i in $(seq 10); do
209 ip netns exec ${listener_ns} grep -q " 0100007F:${port_hex} " /proc/net/tcp && break
216 ip -n $ns link set dev lo up
219 timeout ${timeout_test} \
221 ./mptcp_connect -p 10000 -l -t ${timeout_poll} -w 20 \
223 wait_local_port_listen $ns 10000
224 chk_msk_nr 0 "no msk on netns creation"
228 timeout ${timeout_test} \
230 ./mptcp_connect -p 10000 -r 0 -t ${timeout_poll} -w 20 \
231 127.0.0.1 >/dev/null &
232 wait_connected $ns 10000
233 chk_msk_nr 2 "after MPC handshake "
234 chk_msk_remote_key_nr 2 "....chk remote_key"
235 chk_msk_fallback_nr 0 "....chk no fallback"
236 chk_msk_inuse 2 "....chk 2 msk in use"
239 chk_msk_inuse 0 "....chk 0 msk in use after flush"
242 timeout ${timeout_test} \
244 ./mptcp_connect -p 10001 -l -s TCP -t ${timeout_poll} -w 20 \
246 wait_local_port_listen $ns 10001
248 timeout ${timeout_test} \
250 ./mptcp_connect -p 10001 -r 0 -t ${timeout_poll} -w 20 \
251 127.0.0.1 >/dev/null &
252 wait_connected $ns 10001
253 chk_msk_fallback_nr 1 "check fallback"
254 chk_msk_inuse 1 "....chk 1 msk in use"
257 chk_msk_inuse 0 "....chk 0 msk in use after flush"
260 for I in `seq 1 $NR_CLIENTS`; do
262 timeout ${timeout_test} \
264 ./mptcp_connect -p $((I+10001)) -l -w 20 \
265 -t ${timeout_poll} 0.0.0.0 >/dev/null &
267 wait_local_port_listen $ns $((NR_CLIENTS + 10001))
269 for I in `seq 1 $NR_CLIENTS`; do
271 timeout ${timeout_test} \
273 ./mptcp_connect -p $((I+10001)) -w 20 \
274 -t ${timeout_poll} 127.0.0.1 >/dev/null &
277 wait_msk_nr $((NR_CLIENTS*2)) "many msk socket present"
278 chk_msk_inuse $((NR_CLIENTS*2)) "....chk many msk in use"
281 chk_msk_inuse 0 "....chk 0 msk in use after flush"