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|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
rndh=$(printf %x $sec)-$(mktemp -u XXXXXX)
ns="ns1-$rndh"
ksft_skip=4
test_cnt=1
timeout_poll=100
timeout_test=$((timeout_poll * 2 + 1))
ret=0
flush_pids()
{
# mptcp_connect in join mode will sleep a bit before completing,
# give it some time
sleep 1.1
ip netns pids "${ns}" | xargs --no-run-if-empty kill -SIGUSR1 &>/dev/null
}
cleanup()
{
ip netns pids "${ns}" | xargs --no-run-if-empty kill -SIGKILL &>/dev/null
ip netns del $ns
}
ip -Version > /dev/null 2>&1
if [ $? -ne 0 ];then
echo "SKIP: Could not run test without ip tool"
exit $ksft_skip
fi
ss -h | grep -q MPTCP
if [ $? -ne 0 ];then
echo "SKIP: ss tool does not support MPTCP"
exit $ksft_skip
fi
__chk_nr()
{
local condition="$1"
local expected=$2
local msg nr
shift 2
msg=$*
nr=$(ss -inmHMN $ns | $condition)
printf "%-50s" "$msg"
if [ $nr != $expected ]; then
echo "[ fail ] expected $expected found $nr"
ret=$test_cnt
else
echo "[ ok ]"
fi
test_cnt=$((test_cnt+1))
}
chk_msk_nr()
{
__chk_nr "grep -c token:" $*
}
chk_msk_fallback_nr()
{
__chk_nr "grep -c fallback" $*
}
chk_msk_remote_key_nr()
{
__chk_nr "grep -c remote_key" $*
}
trap cleanup EXIT
ip netns add $ns
ip -n $ns link set dev lo up
echo "a" | \
timeout ${timeout_test} \
ip netns exec $ns \
./mptcp_connect -p 10000 -l -t ${timeout_poll} \
0.0.0.0 >/dev/null &
sleep 0.1
chk_msk_nr 0 "no msk on netns creation"
echo "b" | \
timeout ${timeout_test} \
ip netns exec $ns \
./mptcp_connect -p 10000 -j -t ${timeout_poll} \
127.0.0.1 >/dev/null &
sleep 0.1
chk_msk_nr 2 "after MPC handshake "
chk_msk_remote_key_nr 2 "....chk remote_key"
chk_msk_fallback_nr 0 "....chk no fallback"
flush_pids
echo "a" | \
timeout ${timeout_test} \
ip netns exec $ns \
./mptcp_connect -p 10001 -l -s TCP -t ${timeout_poll} \
0.0.0.0 >/dev/null &
sleep 0.1
echo "b" | \
timeout ${timeout_test} \
ip netns exec $ns \
./mptcp_connect -p 10001 -j -t ${timeout_poll} \
127.0.0.1 >/dev/null &
sleep 0.1
chk_msk_fallback_nr 1 "check fallback"
flush_pids
NR_CLIENTS=100
for I in `seq 1 $NR_CLIENTS`; do
echo "a" | \
timeout ${timeout_test} \
ip netns exec $ns \
./mptcp_connect -p $((I+10001)) -l -w 10 \
-t ${timeout_poll} 0.0.0.0 >/dev/null &
done
sleep 0.1
for I in `seq 1 $NR_CLIENTS`; do
echo "b" | \
timeout ${timeout_test} \
ip netns exec $ns \
./mptcp_connect -p $((I+10001)) -w 10 \
-t ${timeout_poll} 127.0.0.1 >/dev/null &
done
sleep 1.5
chk_msk_nr $((NR_CLIENTS*2)) "many msk socket present"
flush_pids
exit $ret
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