2 # SPDX-License-Identifier: GPL-2.0
4 . "$(dirname "${0}")/mptcp_lib.sh"
7 rndh=$(printf %x $sec)-$(mktemp -u XXXXXX)
12 timeout_test=$((timeout_poll * 2 + 1))
17 # mptcp_connect in join mode will sleep a bit before completing,
21 ip netns pids "${ns}" | xargs --no-run-if-empty kill -SIGUSR1 &>/dev/null
23 for _ in $(seq 10); do
24 [ -z "$(ip netns pids "${ns}")" ] && break
31 ip netns pids "${ns}" | xargs --no-run-if-empty kill -SIGKILL &>/dev/null
38 ip -Version > /dev/null 2>&1
40 echo "SKIP: Could not run test without ip tool"
45 echo "SKIP: ss tool does not support MPTCP"
51 ip netns exec $ns cat /proc/net/protocols | awk '$1~/^MPTCP$/{print $3}'
65 if [ $nr != $expected ]; then
66 echo "[ fail ] expected $expected found $nr"
71 test_cnt=$((test_cnt+1))
79 __chk_nr "ss -inmHMN $ns | $condition" $*
84 __chk_msk_nr "grep -c token:" $*
89 local condition="grep -c token:"
99 while [ $i -lt $timeout ]; do
100 nr=$(ss -inmHMN $ns | $condition)
101 [ $nr == $expected ] && break;
102 [ $nr -gt $max ] && max=$nr
107 printf "%-50s" "$msg"
108 if [ $i -ge $timeout ]; then
109 echo "[ fail ] timeout while expecting $expected max $max last $nr"
111 elif [ $nr != $expected ]; then
112 echo "[ fail ] expected $expected found $nr"
117 test_cnt=$((test_cnt+1))
120 chk_msk_fallback_nr()
122 __chk_msk_nr "grep -c fallback" $*
125 chk_msk_remote_key_nr()
127 __chk_msk_nr "grep -c remote_key" $*
138 nr=$(ss -N $ns -Ml "$filter" | grep -c LISTEN)
139 printf "%-50s" "$msg"
141 if [ $nr != $expected ]; then
142 echo "[ fail ] expected $expected found $nr"
152 local msg="check for listen socket"
154 # destination port search should always return empty list
155 __chk_listen "dport $lport" 0 "listen match for dport $lport"
157 # should return 'our' mptcp listen socket
158 __chk_listen "sport $lport" 1 "listen match for sport $lport"
160 __chk_listen "src inet:0.0.0.0:$lport" 1 "listen match for saddr and sport"
162 __chk_listen "" 1 "all listen sockets"
164 nr=$(ss -Ml $filter | wc -l)
174 listen_nr=$(ss -N "${ns}" -Ml | grep -c LISTEN)
175 expected=$((expected + listen_nr))
177 for _ in $(seq 10); do
178 if [ $(get_msk_inuse) -eq $expected ];then
184 __chk_nr get_msk_inuse $expected $*
188 wait_local_port_listen()
190 local listener_ns="${1}"
195 port_hex="$(printf "%04X" "${port}")"
196 for i in $(seq 10); do
197 ip netns exec "${listener_ns}" cat /proc/net/tcp | \
198 awk "BEGIN {rc=1} {if (\$2 ~ /:${port_hex}\$/ && \$4 ~ /0A/) {rc=0; exit}} END {exit rc}" &&
206 local listener_ns="${1}"
211 port_hex="$(printf "%04X" "${port}")"
212 for i in $(seq 10); do
213 ip netns exec ${listener_ns} grep -q " 0100007F:${port_hex} " /proc/net/tcp && break
220 ip -n $ns link set dev lo up
223 timeout ${timeout_test} \
225 ./mptcp_connect -p 10000 -l -t ${timeout_poll} -w 20 \
227 wait_local_port_listen $ns 10000
228 chk_msk_nr 0 "no msk on netns creation"
232 timeout ${timeout_test} \
234 ./mptcp_connect -p 10000 -r 0 -t ${timeout_poll} -w 20 \
235 127.0.0.1 >/dev/null &
236 wait_connected $ns 10000
237 chk_msk_nr 2 "after MPC handshake "
238 chk_msk_remote_key_nr 2 "....chk remote_key"
239 chk_msk_fallback_nr 0 "....chk no fallback"
240 chk_msk_inuse 2 "....chk 2 msk in use"
243 chk_msk_inuse 0 "....chk 0 msk in use after flush"
246 timeout ${timeout_test} \
248 ./mptcp_connect -p 10001 -l -s TCP -t ${timeout_poll} -w 20 \
250 wait_local_port_listen $ns 10001
252 timeout ${timeout_test} \
254 ./mptcp_connect -p 10001 -r 0 -t ${timeout_poll} -w 20 \
255 127.0.0.1 >/dev/null &
256 wait_connected $ns 10001
257 chk_msk_fallback_nr 1 "check fallback"
258 chk_msk_inuse 1 "....chk 1 msk in use"
261 chk_msk_inuse 0 "....chk 0 msk in use after flush"
264 for I in `seq 1 $NR_CLIENTS`; do
266 timeout ${timeout_test} \
268 ./mptcp_connect -p $((I+10001)) -l -w 20 \
269 -t ${timeout_poll} 0.0.0.0 >/dev/null &
271 wait_local_port_listen $ns $((NR_CLIENTS + 10001))
273 for I in `seq 1 $NR_CLIENTS`; do
275 timeout ${timeout_test} \
277 ./mptcp_connect -p $((I+10001)) -w 20 \
278 -t ${timeout_poll} 127.0.0.1 >/dev/null &
281 wait_msk_nr $((NR_CLIENTS*2)) "many msk socket present"
282 chk_msk_inuse $((NR_CLIENTS*2)) "....chk many msk in use"
285 chk_msk_inuse 0 "....chk 0 msk in use after flush"