#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
ret=0
sin=""
sout=""
cin=""
cout=""
ksft_skip=4
timeout=30
mptcp_connect=""
capture=0
TEST_COUNT=0
init()
{
capout=$(mktemp)
rndh=$(printf %x $sec)-$(mktemp -u XXXXXX)
ns1="ns1-$rndh"
ns2="ns2-$rndh"
for netns in "$ns1" "$ns2";do
ip netns add $netns || exit $ksft_skip
ip -net $netns link set lo up
ip netns exec $netns sysctl -q net.mptcp.enabled=1
ip netns exec $netns sysctl -q net.ipv4.conf.all.rp_filter=0
ip netns exec $netns sysctl -q net.ipv4.conf.default.rp_filter=0
done
# ns1 ns2
# ns1eth1 ns2eth1
# ns1eth2 ns2eth2
# ns1eth3 ns2eth3
# ns1eth4 ns2eth4
for i in `seq 1 4`; do
ip link add ns1eth$i netns "$ns1" type veth peer name ns2eth$i netns "$ns2"
ip -net "$ns1" addr add 10.0.$i.1/24 dev ns1eth$i
ip -net "$ns1" addr add dead:beef:$i::1/64 dev ns1eth$i nodad
ip -net "$ns1" link set ns1eth$i up
ip -net "$ns2" addr add 10.0.$i.2/24 dev ns2eth$i
ip -net "$ns2" addr add dead:beef:$i::2/64 dev ns2eth$i nodad
ip -net "$ns2" link set ns2eth$i up
# let $ns2 reach any $ns1 address from any interface
ip -net "$ns2" route add default via 10.0.$i.1 dev ns2eth$i metric 10$i
done
}
cleanup_partial()
{
rm -f "$capout"
for netns in "$ns1" "$ns2"; do
ip netns del $netns
done
}
cleanup()
{
rm -f "$cin" "$cout"
rm -f "$sin" "$sout"
cleanup_partial
}
reset()
{
cleanup_partial
init
}
reset_with_cookies()
{
reset
for netns in "$ns1" "$ns2";do
ip netns exec $netns sysctl -q net.ipv4.tcp_syncookies=2
done
}
for arg in "$@"; do
if [ "$arg" = "-c" ]; then
capture=1
fi
done
ip -Version > /dev/null 2>&1
if [ $? -ne 0 ];then
echo "SKIP: Could not run test without ip tool"
exit $ksft_skip
fi
check_transfer()
{
in=$1
out=$2
what=$3
cmp "$in" "$out" > /dev/null 2>&1
if [ $? -ne 0 ] ;then
echo "[ FAIL ] $what does not match (in, out):"
print_file_err "$in"
print_file_err "$out"
return 1
fi
return 0
}
do_ping()
{
listener_ns="$1"
connector_ns="$2"
connect_addr="$3"
ip netns exec ${connector_ns} ping -q -c 1 $connect_addr >/dev/null
if [ $? -ne 0 ] ; then
echo "$listener_ns -> $connect_addr connectivity [ FAIL ]" 1>&2
ret=1
fi
}
do_transfer()
{
listener_ns="$1"
connector_ns="$2"
cl_proto="$3"
srv_proto="$4"
connect_addr="$5"
rm_nr_ns1="$6"
rm_nr_ns2="$7"
port=$((10000+$TEST_COUNT))
TEST_COUNT=$((TEST_COUNT+1))
:> "$cout"
:> "$sout"
:> "$capout"
if [ $capture -eq 1 ]; then
if [ -z $SUDO_USER ] ; then
capuser=""
else
capuser="-Z $SUDO_USER"
fi
capfile=$(printf "mp_join-%02u-%s.pcap" "$TEST_COUNT" "${listener_ns}")
echo "Capturing traffic for test $TEST_COUNT into $capfile"
ip netns exec ${listener_ns} tcpdump -i any -s 65535 -B 32768 $capuser -w $capfile > "$capout" 2>&1 &
cappid=$!
sleep 1
fi
if [[ $rm_nr_ns1 -eq 0 && $rm_nr_ns2 -eq 0 ]]; then
mptcp_connect="./mptcp_connect -j"
else
mptcp_connect="./mptcp_connect -r"
fi
ip netns exec ${listener_ns} $mptcp_connect -t $timeout -l -p $port -s ${srv_proto} 0.0.0.0 < "$sin" > "$sout" &
spid=$!
sleep 1
ip netns exec ${connector_ns} $mptcp_connect -t $timeout -p $port -s ${cl_proto} $connect_addr < "$cin" > "$cout" &
cpid=$!
if [ $rm_nr_ns1 -gt 0 ]; then
counter=1
sleep 1
while [ $counter -le $rm_nr_ns1 ]
do
ip netns exec ${listener_ns} ./pm_nl_ctl del $counter
sleep 1
let counter+=1
done
fi
if [ $rm_nr_ns2 -gt 0 ]; then
counter=1
sleep 1
while [ $counter -le $rm_nr_ns2 ]
do
ip netns exec ${connector_ns} ./pm_nl_ctl del $counter
sleep 1
let counter+=1
done
fi
wait $cpid
retc=$?
wait $spid
rets=$?
if [ $capture -eq 1 ]; then
sleep 1
kill $cappid
fi
if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then
echo " client exit code $retc, server $rets" 1>&2
echo -e "\nnetns ${listener_ns} socket stat for ${port}:" 1>&2
ip netns exec ${listener_ns} ss -nita 1>&2 -o "sport = :$port"
echo -e "\nnetns ${connector_ns} socket stat for ${port}:" 1>&2
ip netns exec ${connector_ns} ss -nita 1>&2 -o "dport = :$port"
cat "$capout"
return 1
fi
check_transfer $sin $cout "file received by client"
retc=$?
check_transfer $cin $sout "file received by server"
rets=$?
if [ $retc -eq 0 ] && [ $rets -eq 0 ];then
cat "$capout"
return 0
fi
cat "$capout"
return 1
}
make_file()
{
name=$1
who=$2
SIZE=1
dd if=/dev/urandom of="$name" bs=1024 count=$SIZE 2> /dev/null
echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name"
echo "Created $name (size $SIZE KB) containing data sent by $who"
}
run_tests()
{
listener_ns="$1"
connector_ns="$2"
connect_addr="$3"
lret=0
do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr} 0 0
lret=$?
if [ $lret -ne 0 ]; then
ret=$lret
return
fi
}
run_remove_tests()
{
listener_ns="$1"
connector_ns="$2"
connect_addr="$3"
rm_nr_ns1="$4"
rm_nr_ns2="$5"
lret=0
do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr} ${rm_nr_ns1} ${rm_nr_ns2}
lret=$?
if [ $lret -ne 0 ]; then
ret=$lret
return
fi
}
chk_join_nr()
{
local msg="$1"
local syn_nr=$2
local syn_ack_nr=$3
local ack_nr=$4
local count
local dump_stats
printf "%02u %-36s %s" "$TEST_COUNT" "$msg" "syn"
count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinSynRx | awk '{print $2}'`
[ -z "$count" ] && count=0
if [ "$count" != "$syn_nr" ]; then
echo "[fail] got $count JOIN[s] syn expected $syn_nr"
ret=1
dump_stats=1
else
echo -n "[ ok ]"
fi
echo -n " - synack"
count=`ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinSynAckRx | awk '{print $2}'`
[ -z "$count" ] && count=0
if [ "$count" != "$syn_ack_nr" ]; then
echo "[fail] got $count JOIN[s] synack expected $syn_ack_nr"
ret=1
dump_stats=1
else
echo -n "[ ok ]"
fi
echo -n " - ack"
count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinAckRx | awk '{print $2}'`
[ -z "$count" ] && count=0
if [ "$count" != "$ack_nr" ]; then
echo "[fail] got $count JOIN[s] ack expected $ack_nr"
ret=1
dump_stats=1
else
echo "[ ok ]"
fi
if [ "${dump_stats}" = 1 ]; then
echo Server ns stats
ip netns exec $ns1 nstat -as | grep MPTcp
echo Client ns stats
ip netns exec $ns2 nstat -as | grep MPTcp
fi
}
chk_add_nr()
{
local add_nr=$1
local echo_nr=$2
local count
local dump_stats
printf "%-39s %s" " " "add"
count=`ip netns exec $ns2 nstat -as | grep MPTcpExtAddAddr | awk '{print $2}'`
[ -z "$count" ] && count=0
if [ "$count" != "$add_nr" ]; then
echo "[fail] got $count ADD_ADDR[s] expected $add_nr"
ret=1
dump_stats=1
else
echo -n "[ ok ]"
fi
echo -n " - echo "
count=`ip netns exec $ns1 nstat -as | grep MPTcpExtEchoAdd | awk '{print $2}'`
[ -z "$count" ] && count=0
if [ "$count" != "$echo_nr" ]; then
echo "[fail] got $count ADD_ADDR echo[s] expected $echo_nr"
ret=1
dump_stats=1
else
echo "[ ok ]"
fi
if [ "${dump_stats}" = 1 ]; then
echo Server ns stats
ip netns exec $ns1 nstat -as | grep MPTcp
echo Client ns stats
ip netns exec $ns2 nstat -as | grep MPTcp
fi
}
chk_rm_nr()
{
local rm_addr_nr=$1
local rm_subflow_nr=$2
local count
local dump_stats
printf "%-39s %s" " " "rm "
count=`ip netns exec $ns1 nstat -as | grep MPTcpExtRmAddr | awk '{print $2}'`
[ -z "$count" ] && count=0
if [ "$count" != "$rm_addr_nr" ]; then
echo "[fail] got $count RM_ADDR[s] expected $rm_addr_nr"
ret=1
dump_stats=1
else
echo -n "[ ok ]"
fi
echo -n " - sf "
count=`ip netns exec $ns2 nstat -as | grep MPTcpExtRmSubflow | awk '{print $2}'`
[ -z "$count" ] && count=0
if [ "$count" != "$rm_subflow_nr" ]; then
echo "[fail] got $count RM_SUBFLOW[s] expected $rm_subflow_nr"
ret=1
dump_stats=1
else
echo "[ ok ]"
fi
if [ "${dump_stats}" = 1 ]; then
echo Server ns stats
ip netns exec $ns1 nstat -as | grep MPTcp
echo Client ns stats
ip netns exec $ns2 nstat -as | grep MPTcp
fi
}
sin=$(mktemp)
sout=$(mktemp)
cin=$(mktemp)
cout=$(mktemp)
init
make_file "$cin" "client"
make_file "$sin" "server"
trap cleanup EXIT
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "no JOIN" "0" "0" "0"
# subflow limted by client
reset
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "single subflow, limited by client" 0 0 0
# subflow limted by server
reset
ip netns exec $ns2 ./pm_nl_ctl limits 0 1
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "single subflow, limited by server" 1 1 0
# subflow
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 1
ip netns exec $ns2 ./pm_nl_ctl limits 0 1
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "single subflow" 1 1 1
# multiple subflows
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 2
ip netns exec $ns2 ./pm_nl_ctl limits 0 2
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "multiple subflows" 2 2 2
# multiple subflows limited by serverf
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 1
ip netns exec $ns2 ./pm_nl_ctl limits 0 2
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "multiple subflows, limited by server" 2 2 1
# add_address, unused
reset
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "unused signal address" 0 0 0
chk_add_nr 1 1
# accept and use add_addr
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 1
ip netns exec $ns2 ./pm_nl_ctl limits 1 1
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "signal address" 1 1 1
chk_add_nr 1 1
# accept and use add_addr with an additional subflow
# note: signal address in server ns and local addresses in client ns must
# belong to different subnets or one of the listed local address could be
# used for 'add_addr' subflow
reset
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
ip netns exec $ns1 ./pm_nl_ctl limits 0 2
ip netns exec $ns2 ./pm_nl_ctl limits 1 2
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "subflow and signal" 2 2 2
chk_add_nr 1 1
# accept and use add_addr with additional subflows
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 3
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 1 3
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags subflow
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "multiple subflows and signal" 3 3 3
chk_add_nr 1 1
# single subflow, remove
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 1
ip netns exec $ns2 ./pm_nl_ctl limits 0 1
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
run_remove_tests $ns1 $ns2 10.0.1.1 0 1
chk_join_nr "remove single subflow" 1 1 1
chk_rm_nr 1 1
# multiple subflows, remove
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 2
ip netns exec $ns2 ./pm_nl_ctl limits 0 2
ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
run_remove_tests $ns1 $ns2 10.0.1.1 0 2
chk_join_nr "remove multiple subflows" 2 2 2
chk_rm_nr 2 2
# single address, remove
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 1
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 1 1
run_remove_tests $ns1 $ns2 10.0.1.1 1 0
chk_join_nr "remove single address" 1 1 1
chk_add_nr 1 1
chk_rm_nr 0 0
# subflow and signal, remove
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 2
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 1 2
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
run_remove_tests $ns1 $ns2 10.0.1.1 1 1
chk_join_nr "remove subflow and signal" 2 2 2
chk_add_nr 1 1
chk_rm_nr 1 1
# subflows and signal, remove
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 3
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 1 3
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags subflow
run_remove_tests $ns1 $ns2 10.0.1.1 1 2
chk_join_nr "remove subflows and signal" 3 3 3
chk_add_nr 1 1
chk_rm_nr 2 2
# single subflow, syncookies
reset_with_cookies
ip netns exec $ns1 ./pm_nl_ctl limits 0 1
ip netns exec $ns2 ./pm_nl_ctl limits 0 1
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "single subflow with syn cookies" 1 1 1
# multiple subflows with syn cookies
reset_with_cookies
ip netns exec $ns1 ./pm_nl_ctl limits 0 2
ip netns exec $ns2 ./pm_nl_ctl limits 0 2
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "multiple subflows with syn cookies" 2 2 2
# multiple subflows limited by server
reset_with_cookies
ip netns exec $ns1 ./pm_nl_ctl limits 0 1
ip netns exec $ns2 ./pm_nl_ctl limits 0 2
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "subflows limited by server w cookies" 2 2 1
# test signal address with cookies
reset_with_cookies
ip netns exec $ns1 ./pm_nl_ctl limits 0 1
ip netns exec $ns2 ./pm_nl_ctl limits 1 1
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "signal address with syn cookies" 1 1 1
chk_add_nr 1 1
# test cookie with subflow and signal
reset_with_cookies
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
ip netns exec $ns1 ./pm_nl_ctl limits 0 2
ip netns exec $ns2 ./pm_nl_ctl limits 1 2
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "subflow and signal w cookies" 2 2 2
chk_add_nr 1 1
# accept and use add_addr with additional subflows
reset_with_cookies
ip netns exec $ns1 ./pm_nl_ctl limits 0 3
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 1 3
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags subflow
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "subflows and signal w. cookies" 3 3 3
chk_add_nr 1 1
exit $ret
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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