blob: 7ef639a9d4a6fdeb2fb8a5f06fff85349b591ac6 [file] [log] [blame]
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
ret=0
sin=""
sinfail=""
sout=""
cin=""
cinfail=""
cinsent=""
cout=""
ksft_skip=4
timeout_poll=30
timeout_test=$((timeout_poll * 2 + 1))
mptcp_connect=""
capture=0
checksum=0
do_all_tests=1
TEST_COUNT=0
# generated using "nfbpf_compile '(ip && (ip[54] & 0xf0) == 0x30) ||
# (ip6 && (ip6[74] & 0xf0) == 0x30)'"
CBPF_MPTCP_SUBOPTION_ADD_ADDR="14,
48 0 0 0,
84 0 0 240,
21 0 3 64,
48 0 0 54,
84 0 0 240,
21 6 7 48,
48 0 0 0,
84 0 0 240,
21 0 4 96,
48 0 0 74,
84 0 0 240,
21 0 1 48,
6 0 0 65535,
6 0 0 0"
init()
{
capout=$(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
if [ $checksum -eq 1 ]; then
ip netns exec $netns sysctl -q net.mptcp.checksum_enabled=1
fi
done
# ns1 ns2
# ns1eth1 ns2eth1
# ns1eth2 ns2eth2
# ns1eth3 ns2eth3
# ns1eth4 ns2eth4
for i in `seq 1 4`; do
ip link add ns1eth$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
}
init_shapers()
{
for i in `seq 1 4`; do
tc -n $ns1 qdisc add dev ns1eth$i root netem rate 20mbit delay 1
tc -n $ns2 qdisc add dev ns2eth$i root netem rate 20mbit delay 1
done
}
cleanup_partial()
{
rm -f "$capout"
for netns in "$ns1" "$ns2"; do
ip netns del $netns
rm -f /tmp/$netns.{nstat,out}
done
}
cleanup()
{
rm -f "$cin" "$cout" "$sinfail"
rm -f "$sin" "$sout" "$cinsent" "$cinfail"
cleanup_partial
}
reset()
{
cleanup_partial
init
}
reset_with_cookies()
{
reset
for netns in "$ns1" "$ns2";do
ip netns exec $netns sysctl -q net.ipv4.tcp_syncookies=2
done
}
reset_with_add_addr_timeout()
{
local ip="${1:-4}"
local tables
tables="iptables"
if [ $ip -eq 6 ]; then
tables="ip6tables"
fi
reset
ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1
ip netns exec $ns2 $tables -A OUTPUT -p tcp \
-m tcp --tcp-option 30 \
-m bpf --bytecode \
"$CBPF_MPTCP_SUBOPTION_ADD_ADDR" \
-j DROP
}
reset_with_checksum()
{
local ns1_enable=$1
local ns2_enable=$2
reset
ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=$ns1_enable
ip netns exec $ns2 sysctl -q net.mptcp.checksum_enabled=$ns2_enable
}
reset_with_allow_join_id0()
{
local ns1_enable=$1
local ns2_enable=$2
reset
ip netns exec $ns1 sysctl -q net.mptcp.allow_join_initial_addr_port=$ns1_enable
ip netns exec $ns2 sysctl -q net.mptcp.allow_join_initial_addr_port=$ns2_enable
}
ip -Version > /dev/null 2>&1
if [ $? -ne 0 ];then
echo "SKIP: Could not run test without ip tool"
exit $ksft_skip
fi
iptables -V > /dev/null 2>&1
if [ $? -ne 0 ];then
echo "SKIP: Could not run all tests without iptables tool"
exit $ksft_skip
fi
ip6tables -V > /dev/null 2>&1
if [ $? -ne 0 ];then
echo "SKIP: Could not run all tests without ip6tables tool"
exit $ksft_skip
fi
print_file_err()
{
ls -l "$1" 1>&2
echo "Trailing bytes are: "
tail -c 27 "$1"
}
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"
ret=1
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
}
link_failure()
{
ns="$1"
if [ -z "$FAILING_LINKS" ]; then
l=$((RANDOM%4))
FAILING_LINKS=$((l+1))
fi
for l in $FAILING_LINKS; do
veth="ns1eth$l"
ip -net "$ns" link set "$veth" down
done
}
# $1: IP address
is_v6()
{
[ -z "${1##*:*}" ]
}
do_transfer()
{
listener_ns="$1"
connector_ns="$2"
cl_proto="$3"
srv_proto="$4"
connect_addr="$5"
test_link_fail="$6"
addr_nr_ns1="$7"
addr_nr_ns2="$8"
speed="$9"
bkup="${10}"
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=$!
sleep 1
fi
NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
nstat -n
NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
nstat -n
if [ $speed = "fast" ]; then
mptcp_connect="./mptcp_connect -j"
elif [ $speed = "slow" ]; then
mptcp_connect="./mptcp_connect -r 50"
elif [ $speed = "least" ]; then
mptcp_connect="./mptcp_connect -r 10"
fi
local local_addr
if is_v6 "${connect_addr}"; then
local_addr="::"
else
local_addr="0.0.0.0"
fi
if [ "$test_link_fail" -eq 2 ];then
timeout ${timeout_test} \
ip netns exec ${listener_ns} \
$mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \
${local_addr} < "$sinfail" > "$sout" &
else
timeout ${timeout_test} \
ip netns exec ${listener_ns} \
$mptcp_connect -t ${timeout_poll} -l -p $port -s ${srv_proto} \
${local_addr} < "$sin" > "$sout" &
fi
spid=$!
sleep 1
if [ "$test_link_fail" -eq 0 ];then
timeout ${timeout_test} \
ip netns exec ${connector_ns} \
$mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
$connect_addr < "$cin" > "$cout" &
else
( cat "$cinfail" ; sleep 2; link_failure $listener_ns ; cat "$cinfail" ) | \
tee "$cinsent" | \
timeout ${timeout_test} \
ip netns exec ${connector_ns} \
$mptcp_connect -t ${timeout_poll} -p $port -s ${cl_proto} \
$connect_addr > "$cout" &
fi
cpid=$!
if [ $addr_nr_ns1 -gt 0 ]; then
let add_nr_ns1=addr_nr_ns1
counter=2
sleep 1
while [ $add_nr_ns1 -gt 0 ]; do
local addr
if is_v6 "${connect_addr}"; then
addr="dead:beef:$counter::1"
else
addr="10.0.$counter.1"
fi
ip netns exec $ns1 ./pm_nl_ctl add $addr flags signal
let counter+=1
let add_nr_ns1-=1
done
sleep 1
elif [ $addr_nr_ns1 -lt 0 ]; then
let rm_nr_ns1=-addr_nr_ns1
if [ $rm_nr_ns1 -lt 8 ]; then
counter=1
pos=1
dump=(`ip netns exec ${listener_ns} ./pm_nl_ctl dump`)
if [ ${#dump[@]} -gt 0 ]; then
sleep 1
while [ $counter -le $rm_nr_ns1 ]
do
id=${dump[$pos]}
ip netns exec ${listener_ns} ./pm_nl_ctl del $id
sleep 1
let counter+=1
let pos+=5
done
fi
elif [ $rm_nr_ns1 -eq 8 ]; then
sleep 1
ip netns exec ${listener_ns} ./pm_nl_ctl flush
elif [ $rm_nr_ns1 -eq 9 ]; then
sleep 1
ip netns exec ${listener_ns} ./pm_nl_ctl del 0 ${connect_addr}
fi
fi
flags="subflow"
if [[ "${addr_nr_ns2}" = "fullmesh_"* ]]; then
flags="${flags},fullmesh"
addr_nr_ns2=${addr_nr_ns2:9}
fi
if [ $addr_nr_ns2 -gt 0 ]; then
let add_nr_ns2=addr_nr_ns2
counter=3
sleep 1
while [ $add_nr_ns2 -gt 0 ]; do
local addr
if is_v6 "${connect_addr}"; then
addr="dead:beef:$counter::2"
else
addr="10.0.$counter.2"
fi
ip netns exec $ns2 ./pm_nl_ctl add $addr flags $flags
let counter+=1
let add_nr_ns2-=1
done
sleep 1
elif [ $addr_nr_ns2 -lt 0 ]; then
let rm_nr_ns2=-addr_nr_ns2
if [ $rm_nr_ns2 -lt 8 ]; then
counter=1
pos=1
dump=(`ip netns exec ${connector_ns} ./pm_nl_ctl dump`)
if [ ${#dump[@]} -gt 0 ]; then
sleep 1
while [ $counter -le $rm_nr_ns2 ]
do
id=${dump[$pos]}
ip netns exec ${connector_ns} ./pm_nl_ctl del $id
sleep 1
let counter+=1
let pos+=5
done
fi
elif [ $rm_nr_ns2 -eq 8 ]; then
sleep 1
ip netns exec ${connector_ns} ./pm_nl_ctl flush
elif [ $rm_nr_ns2 -eq 9 ]; then
local addr
if is_v6 "${connect_addr}"; then
addr="dead:beef:1::2"
else
addr="10.0.1.2"
fi
sleep 1
ip netns exec ${connector_ns} ./pm_nl_ctl del 0 $addr
fi
fi
if [ ! -z $bkup ]; then
sleep 1
for netns in "$ns1" "$ns2"; do
dump=(`ip netns exec $netns ./pm_nl_ctl dump`)
if [ ${#dump[@]} -gt 0 ]; then
addr=${dump[${#dump[@]} - 1]}
backup="ip netns exec $netns ./pm_nl_ctl set $addr flags $bkup"
$backup
fi
done
fi
wait $cpid
retc=$?
wait $spid
rets=$?
if [ $capture -eq 1 ]; then
sleep 1
kill $cappid
fi
NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
nstat | grep Tcp > /tmp/${listener_ns}.out
NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
nstat | grep Tcp > /tmp/${connector_ns}.out
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 ${listener_ns} ss -Menita 1>&2 -o "sport = :$port"
cat /tmp/${listener_ns}.out
echo -e "\nnetns ${connector_ns} socket stat for ${port}:" 1>&2
ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port"
cat /tmp/${connector_ns}.out
cat "$capout"
ret=1
return 1
fi
if [ "$test_link_fail" -eq 2 ];then
check_transfer $sinfail $cout "file received by client"
else
check_transfer $sin $cout "file received by client"
fi
retc=$?
if [ "$test_link_fail" -eq 0 ];then
check_transfer $cin $sout "file received by server"
else
check_transfer $cinsent $sout "file received by server"
fi
rets=$?
if [ $retc -eq 0 ] && [ $rets -eq 0 ];then
cat "$capout"
return 0
fi
cat "$capout"
return 1
}
make_file()
{
name=$1
who=$2
size=$3
dd if=/dev/urandom of="$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="$3"
test_linkfail="${4:-0}"
addr_nr_ns1="${5:-0}"
addr_nr_ns2="${6:-0}"
speed="${7:-fast}"
bkup="${8:-""}"
lret=0
oldin=""
# create the input file for the failure test when
# the first failure test run
if [ "$test_linkfail" -ne 0 -a -z "$cinfail" ]; then
# the client file must be considerably larger
# of the maximum expected cwin value, or the
# link utilization will be not predicable
size=$((RANDOM%2))
size=$((size+1))
size=$((size*8192))
size=$((size + ( $RANDOM % 8192) ))
cinfail=$(mktemp)
make_file "$cinfail" "client" $size
fi
if [ "$test_linkfail" -eq 2 -a -z "$sinfail" ]; then
size=$((RANDOM%16))
size=$((size+1))
size=$((size*2048))
sinfail=$(mktemp)
make_file "$sinfail" "server" $size
fi
do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr} \
${test_linkfail} ${addr_nr_ns1} ${addr_nr_ns2} ${speed} ${bkup}
lret=$?
}
chk_csum_nr()
{
local msg=${1:-""}
local count
local dump_stats
if [ ! -z "$msg" ]; then
printf "%02u" "$TEST_COUNT"
else
echo -n " "
fi
printf " %-36s %s" "$msg" "sum"
count=`ip netns exec $ns1 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}'`
[ -z "$count" ] && count=0
if [ "$count" != 0 ]; then
echo "[fail] got $count data checksum error[s] expected 0"
ret=1
dump_stats=1
else
echo -n "[ ok ]"
fi
echo -n " - csum "
count=`ip netns exec $ns2 nstat -as | grep MPTcpExtDataCsumErr | awk '{print $2}'`
[ -z "$count" ] && count=0
if [ "$count" != 0 ]; then
echo "[fail] got $count data checksum error[s] expected 0"
ret=1
dump_stats=1
else
echo "[ ok ]"
fi
if [ "${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_fail_nr()
{
local mp_fail_nr_tx=$1
local mp_fail_nr_rx=$2
local count
local dump_stats
printf "%-39s %s" " " "ftx"
count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPFailTx | awk '{print $2}'`
[ -z "$count" ] && count=0
if [ "$count" != "$mp_fail_nr_tx" ]; then
echo "[fail] got $count MP_FAIL[s] TX expected $mp_fail_nr_tx"
ret=1
dump_stats=1
else
echo -n "[ ok ]"
fi
echo -n " - frx "
count=`ip netns exec $ns2 nstat -as | grep MPTcpExtMPFailRx | awk '{print $2}'`
[ -z "$count" ] && count=0
if [ "$count" != "$mp_fail_nr_rx" ]; then
echo "[fail] got $count MP_FAIL[s] RX expected $mp_fail_nr_rx"
ret=1
dump_stats=1
else
echo "[ ok ]"
fi
if [ "${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_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
if [ $checksum -eq 1 ]; then
chk_csum_nr
chk_fail_nr 0 0
fi
}
# a negative value for 'stale_max' means no upper bound:
# for bidirectional transfer, if one peer sleep for a while
# - as these tests do - we can have a quite high number of
# stale/recover conversions, proportional to
# sleep duration/ MPTCP-level RTX interval.
chk_stale_nr()
{
local ns=$1
local stale_min=$2
local stale_max=$3
local stale_delta=$4
local dump_stats
local stale_nr
local recover_nr
printf "%-39s %-18s" " " "stale"
stale_nr=`ip netns exec $ns nstat -as | grep MPTcpExtSubflowStale | awk '{print $2}'`
[ -z "$stale_nr" ] && stale_nr=0
recover_nr=`ip netns exec $ns nstat -as | grep MPTcpExtSubflowRecover | awk '{print $2}'`
[ -z "$recover_nr" ] && recover_nr=0
if [ $stale_nr -lt $stale_min ] ||
[ $stale_max -gt 0 -a $stale_nr -gt $stale_max ] ||
[ $((stale_nr - $recover_nr)) -ne $stale_delta ]; then
echo "[fail] got $stale_nr stale[s] $recover_nr recover[s], " \
" expected stale in range [$stale_min..$stale_max]," \
" stale-recover delta $stale_delta "
ret=1
dump_stats=1
else
echo "[ ok ]"
fi
if [ "${dump_stats}" = 1 ]; then
echo $ns stats
ip netns exec $ns ip -s link show
ip netns exec $ns nstat -as | grep MPTcp
fi
}
chk_add_nr()
{
local add_nr=$1
local echo_nr=$2
local port_nr=${3:-0}
local syn_nr=${4:-$port_nr}
local syn_ack_nr=${5:-$port_nr}
local ack_nr=${6:-$port_nr}
local mis_syn_nr=${7:-0}
local mis_ack_nr=${8:-0}
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 -n "[ ok ]"
fi
if [ $port_nr -gt 0 ]; then
echo -n " - pt "
count=`ip netns exec $ns2 nstat -as | grep MPTcpExtPortAdd | awk '{print $2}'`
[ -z "$count" ] && count=0
if [ "$count" != "$port_nr" ]; then
echo "[fail] got $count ADD_ADDR[s] with a port-number expected $port_nr"
ret=1
dump_stats=1
else
echo "[ ok ]"
fi
printf "%-39s %s" " " "syn"
count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinPortSynRx |
awk '{print $2}'`
[ -z "$count" ] && count=0
if [ "$count" != "$syn_nr" ]; then
echo "[fail] got $count JOIN[s] syn with a different \
port-number expected $syn_nr"
ret=1
dump_stats=1
else
echo -n "[ ok ]"
fi
echo -n " - synack"
count=`ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinPortSynAckRx |
awk '{print $2}'`
[ -z "$count" ] && count=0
if [ "$count" != "$syn_ack_nr" ]; then
echo "[fail] got $count JOIN[s] synack with a different \
port-number 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 MPTcpExtMPJoinPortAckRx |
awk '{print $2}'`
[ -z "$count" ] && count=0
if [ "$count" != "$ack_nr" ]; then
echo "[fail] got $count JOIN[s] ack with a different \
port-number expected $ack_nr"
ret=1
dump_stats=1
else
echo "[ ok ]"
fi
printf "%-39s %s" " " "syn"
count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMismatchPortSynRx |
awk '{print $2}'`
[ -z "$count" ] && count=0
if [ "$count" != "$mis_syn_nr" ]; then
echo "[fail] got $count JOIN[s] syn with a mismatched \
port-number expected $mis_syn_nr"
ret=1
dump_stats=1
else
echo -n "[ ok ]"
fi
echo -n " - ack "
count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMismatchPortAckRx |
awk '{print $2}'`
[ -z "$count" ] && count=0
if [ "$count" != "$mis_ack_nr" ]; then
echo "[fail] got $count JOIN[s] ack with a mismatched \
port-number expected $mis_ack_nr"
ret=1
dump_stats=1
else
echo "[ ok ]"
fi
else
echo ""
fi
if [ "${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=$2
local invert=${3:-""}
local count
local dump_stats
local addr_ns
local subflow_ns
if [ -z $invert ]; then
addr_ns=$ns1
subflow_ns=$ns2
elif [ $invert = "invert" ]; then
addr_ns=$ns2
subflow_ns=$ns1
fi
printf "%-39s %s" " " "rm "
count=`ip netns exec $addr_ns 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 $subflow_ns 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
}
chk_prio_nr()
{
local mp_prio_nr_tx=$1
local mp_prio_nr_rx=$2
local count
local dump_stats
printf "%-39s %s" " " "ptx"
count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPPrioTx | awk '{print $2}'`
[ -z "$count" ] && count=0
if [ "$count" != "$mp_prio_nr_tx" ]; then
echo "[fail] got $count MP_PRIO[s] TX expected $mp_prio_nr_tx"
ret=1
dump_stats=1
else
echo -n "[ ok ]"
fi
echo -n " - prx "
count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPPrioRx | awk '{print $2}'`
[ -z "$count" ] && count=0
if [ "$count" != "$mp_prio_nr_rx" ]; then
echo "[fail] got $count MP_PRIO[s] RX expected $mp_prio_nr_rx"
ret=1
dump_stats=1
else
echo "[ ok ]"
fi
if [ "${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_link_usage()
{
local ns=$1
local link=$2
local out=$3
local expected_rate=$4
local tx_link=`ip netns exec $ns cat /sys/class/net/$link/statistics/tx_bytes`
local tx_total=`ls -l $out | awk '{print $5}'`
local tx_rate=$((tx_link * 100 / $tx_total))
local tolerance=5
printf "%-39s %-18s" " " "link usage"
if [ $tx_rate -lt $((expected_rate - $tolerance)) -o \
$tx_rate -gt $((expected_rate + $tolerance)) ]; then
echo "[fail] got $tx_rate% usage, expected $expected_rate%"
ret=1
else
echo "[ ok ]"
fi
}
subflows_tests()
{
reset
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "no JOIN" "0" "0" "0"
# subflow limited by client
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 0
ip netns exec $ns2 ./pm_nl_ctl limits 0 0
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 limited by server
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 0
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 server
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
# single subflow, dev
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 dev ns2eth3
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "single subflow, dev" 1 1 1
}
signal_address_tests()
{
# 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
# signal addresses
reset
ip netns exec $ns1 ./pm_nl_ctl limits 3 3
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal
ip netns exec $ns1 ./pm_nl_ctl add 10.0.4.1 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 3 3
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "signal addresses" 3 3 3
chk_add_nr 3 3
# signal invalid addresses
reset
ip netns exec $ns1 ./pm_nl_ctl limits 3 3
ip netns exec $ns1 ./pm_nl_ctl add 10.0.12.1 flags signal
ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal
ip netns exec $ns1 ./pm_nl_ctl add 10.0.14.1 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 3 3
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "signal invalid addresses" 1 1 1
chk_add_nr 3 3
# signal addresses race test
reset
ip netns exec $ns1 ./pm_nl_ctl limits 4 4
ip netns exec $ns2 ./pm_nl_ctl limits 4 4
ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.1 flags signal
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal
ip netns exec $ns1 ./pm_nl_ctl add 10.0.4.1 flags signal
ip netns exec $ns2 ./pm_nl_ctl add 10.0.1.2 flags signal
ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags signal
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags signal
ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags signal
run_tests $ns1 $ns2 10.0.1.1
chk_add_nr 4 4
}
link_failure_tests()
{
# accept and use add_addr with additional subflows and link loss
reset
# without any b/w limit each veth could spool the packets and get
# them acked at xmit time, so that the corresponding subflow will
# have almost always no outstanding pkts, the scheduler will pick
# always the first subflow and we will have hard time testing
# active backup and link switch-over.
# Let's set some arbitrary (low) virtual link limits.
init_shapers
ip netns exec $ns1 ./pm_nl_ctl limits 0 3
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 dev ns1eth2 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 1 3
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 dev ns2eth3 flags subflow
ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 dev ns2eth4 flags subflow
run_tests $ns1 $ns2 10.0.1.1 1
chk_join_nr "multiple flows, signal, link failure" 3 3 3
chk_add_nr 1 1
chk_stale_nr $ns2 1 5 1
# accept and use add_addr with additional subflows and link loss
# for bidirectional transfer
reset
init_shapers
ip netns exec $ns1 ./pm_nl_ctl limits 0 3
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 dev ns1eth2 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 1 3
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 dev ns2eth3 flags subflow
ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 dev ns2eth4 flags subflow
run_tests $ns1 $ns2 10.0.1.1 2
chk_join_nr "multi flows, signal, bidi, link fail" 3 3 3
chk_add_nr 1 1
chk_stale_nr $ns2 1 -1 1
# 2 subflows plus 1 backup subflow with a lossy link, backup
# will never be used
reset
init_shapers
ip netns exec $ns1 ./pm_nl_ctl limits 0 2
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 dev ns1eth2 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 1 2
export FAILING_LINKS="1"
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 dev ns2eth3 flags subflow,backup
run_tests $ns1 $ns2 10.0.1.1 1
chk_join_nr "backup subflow unused, link failure" 2 2 2
chk_add_nr 1 1
chk_link_usage $ns2 ns2eth3 $cinsent 0
# 2 lossy links after half transfer, backup will get half of
# the traffic
reset
init_shapers
ip netns exec $ns1 ./pm_nl_ctl limits 0 2
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 dev ns1eth2 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 1 2
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 dev ns2eth3 flags subflow,backup
export FAILING_LINKS="1 2"
run_tests $ns1 $ns2 10.0.1.1 1
chk_join_nr "backup flow used, multi links fail" 2 2 2
chk_add_nr 1 1
chk_stale_nr $ns2 2 4 2
chk_link_usage $ns2 ns2eth3 $cinsent 50
# use a backup subflow with the first subflow on a lossy link
# for bidirectional transfer
reset
init_shapers
ip netns exec $ns1 ./pm_nl_ctl limits 0 2
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 dev ns1eth2 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 1 3
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 dev ns2eth3 flags subflow,backup
run_tests $ns1 $ns2 10.0.1.1 2
chk_join_nr "backup flow used, bidi, link failure" 2 2 2
chk_add_nr 1 1
chk_stale_nr $ns2 1 -1 2
chk_link_usage $ns2 ns2eth3 $cinsent 50
}
add_addr_timeout_tests()
{
# add_addr timeout
reset_with_add_addr_timeout
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 0 0 0 slow
chk_join_nr "signal address, ADD_ADDR timeout" 1 1 1
chk_add_nr 4 0
# add_addr timeout IPv6
reset_with_add_addr_timeout 6
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 dead:beef:2::1 flags signal
run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
chk_join_nr "signal address, ADD_ADDR6 timeout" 1 1 1
chk_add_nr 4 0
# signal addresses timeout
reset_with_add_addr_timeout
ip netns exec $ns1 ./pm_nl_ctl limits 2 2
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 2 2
run_tests $ns1 $ns2 10.0.1.1 0 0 0 least
chk_join_nr "signal addresses, ADD_ADDR timeout" 2 2 2
chk_add_nr 8 0
# signal invalid addresses timeout
reset_with_add_addr_timeout
ip netns exec $ns1 ./pm_nl_ctl limits 2 2
ip netns exec $ns1 ./pm_nl_ctl add 10.0.12.1 flags signal
ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 2 2
run_tests $ns1 $ns2 10.0.1.1 0 0 0 least
chk_join_nr "invalid address, ADD_ADDR timeout" 1 1 1
chk_add_nr 8 0
}
remove_tests()
{
# 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_tests $ns1 $ns2 10.0.1.1 0 0 -1 slow
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_tests $ns1 $ns2 10.0.1.1 0 0 -2 slow
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_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow
chk_join_nr "remove single address" 1 1 1
chk_add_nr 1 1
chk_rm_nr 1 1 invert
# 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_tests $ns1 $ns2 10.0.1.1 0 -1 -1 slow
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_tests $ns1 $ns2 10.0.1.1 0 -1 -2 slow
chk_join_nr "remove subflows and signal" 3 3 3
chk_add_nr 1 1
chk_rm_nr 2 2
# addresses remove
reset
ip netns exec $ns1 ./pm_nl_ctl limits 3 3
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal id 250
ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal
ip netns exec $ns1 ./pm_nl_ctl add 10.0.4.1 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 3 3
run_tests $ns1 $ns2 10.0.1.1 0 -3 0 slow
chk_join_nr "remove addresses" 3 3 3
chk_add_nr 3 3
chk_rm_nr 3 3 invert
# invalid addresses remove
reset
ip netns exec $ns1 ./pm_nl_ctl limits 3 3
ip netns exec $ns1 ./pm_nl_ctl add 10.0.12.1 flags signal
ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal
ip netns exec $ns1 ./pm_nl_ctl add 10.0.14.1 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 3 3
run_tests $ns1 $ns2 10.0.1.1 0 -3 0 slow
chk_join_nr "remove invalid addresses" 1 1 1
chk_add_nr 3 3
chk_rm_nr 3 1 invert
# subflows and signal, flush
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 0 -8 -8 slow
chk_join_nr "flush subflows and signal" 3 3 3
chk_add_nr 1 1
chk_rm_nr 2 2
# subflows flush
reset
ip netns exec $ns1 ./pm_nl_ctl limits 3 3
ip netns exec $ns2 ./pm_nl_ctl limits 3 3
ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow id 150
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 0 -8 -8 slow
chk_join_nr "flush subflows" 3 3 3
chk_rm_nr 3 3
# addresses flush
reset
ip netns exec $ns1 ./pm_nl_ctl limits 3 3
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal id 250
ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal
ip netns exec $ns1 ./pm_nl_ctl add 10.0.4.1 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 3 3
run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow
chk_join_nr "flush addresses" 3 3 3
chk_add_nr 3 3
chk_rm_nr 3 3 invert
# invalid addresses flush
reset
ip netns exec $ns1 ./pm_nl_ctl limits 3 3
ip netns exec $ns1 ./pm_nl_ctl add 10.0.12.1 flags signal
ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal
ip netns exec $ns1 ./pm_nl_ctl add 10.0.14.1 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 3 3
run_tests $ns1 $ns2 10.0.1.1 0 -8 0 slow
chk_join_nr "flush invalid addresses" 1 1 1
chk_add_nr 3 3
chk_rm_nr 3 1 invert
# remove id 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 0 0 -9 slow
chk_join_nr "remove id 0 subflow" 1 1 1
chk_rm_nr 1 1
# remove id 0 address
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_tests $ns1 $ns2 10.0.1.1 0 -9 0 slow
chk_join_nr "remove id 0 address" 1 1 1
chk_add_nr 1 1
chk_rm_nr 1 1 invert
}
add_tests()
{
# add single subflow
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 1
ip netns exec $ns2 ./pm_nl_ctl limits 0 1
run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow
chk_join_nr "add single subflow" 1 1 1
# add signal address
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 1
ip netns exec $ns2 ./pm_nl_ctl limits 1 1
run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow
chk_join_nr "add signal address" 1 1 1
chk_add_nr 1 1
# add multiple subflows
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 2
ip netns exec $ns2 ./pm_nl_ctl limits 0 2
run_tests $ns1 $ns2 10.0.1.1 0 0 2 slow
chk_join_nr "add multiple subflows" 2 2 2
# add multiple subflows IPv6
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 2
ip netns exec $ns2 ./pm_nl_ctl limits 0 2
run_tests $ns1 $ns2 dead:beef:1::1 0 0 2 slow
chk_join_nr "add multiple subflows IPv6" 2 2 2
# add multiple addresses IPv6
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 2
ip netns exec $ns2 ./pm_nl_ctl limits 2 2
run_tests $ns1 $ns2 dead:beef:1::1 0 2 0 slow
chk_join_nr "add multiple addresses IPv6" 2 2 2
chk_add_nr 2 2
}
ipv6_tests()
{
# subflow IPv6
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 dead:beef:3::2 flags subflow
run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
chk_join_nr "single subflow IPv6" 1 1 1
# add_address, unused IPv6
reset
ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal
run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
chk_join_nr "unused signal address IPv6" 0 0 0
chk_add_nr 1 1
# signal address IPv6
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 1
ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 1 1
run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
chk_join_nr "single address IPv6" 1 1 1
chk_add_nr 1 1
# single address IPv6, remove
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 1
ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 1 1
run_tests $ns1 $ns2 dead:beef:1::1 0 -1 0 slow
chk_join_nr "remove single address IPv6" 1 1 1
chk_add_nr 1 1
chk_rm_nr 1 1 invert
# subflow and signal IPv6, remove
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 2
ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal
ip netns exec $ns2 ./pm_nl_ctl limits 1 2
ip netns exec $ns2 ./pm_nl_ctl add dead:beef:3::2 flags subflow
run_tests $ns1 $ns2 dead:beef:1::1 0 -1 -1 slow
chk_join_nr "remove subflow and signal IPv6" 2 2 2
chk_add_nr 1 1
chk_rm_nr 1 1
}
v4mapped_tests()
{
# subflow IPv4-mapped to IPv4-mapped
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 "::ffff:10.0.3.2" flags subflow
run_tests $ns1 $ns2 "::ffff:10.0.1.1"
chk_join_nr "single subflow IPv4-mapped" 1 1 1
# signal address IPv4-mapped with IPv4-mapped sk
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 "::ffff:10.0.2.1" flags signal
run_tests $ns1 $ns2 "::ffff:10.0.1.1"
chk_join_nr "signal address IPv4-mapped" 1 1 1
chk_add_nr 1 1
# subflow v4-map-v6
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 "::ffff:10.0.1.1"
chk_join_nr "single subflow v4-map-v6" 1 1 1
# signal address v4-map-v6
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 "::ffff:10.0.1.1"
chk_join_nr "signal address v4-map-v6" 1 1 1
chk_add_nr 1 1
# subflow v6-map-v4
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 "::ffff:10.0.3.2" flags subflow
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "single subflow v6-map-v4" 1 1 1
# signal address v6-map-v4
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 "::ffff:10.0.2.1" flags signal
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "signal address v6-map-v4" 1 1 1
chk_add_nr 1 1
# no subflow IPv6 to v4 address
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 dead:beef:2::2 flags subflow
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "no JOIN with diff families v4-v6" 0 0 0
# no subflow IPv6 to v4 address even if v6 has a valid v4 at the end
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 dead:beef:2::10.0.3.2 flags subflow
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "no JOIN with diff families v4-v6-2" 0 0 0
# no subflow IPv4 to v6 address, no need to slow down too then
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 dead:beef:1::1
chk_join_nr "no JOIN with diff families v6-v4" 0 0 0
}
backup_tests()
{
# single subflow, backup
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,backup
run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup
chk_join_nr "single subflow, backup" 1 1 1
chk_prio_nr 0 1
# single address, backup
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_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
chk_join_nr "single address, backup" 1 1 1
chk_add_nr 1 1
chk_prio_nr 1 0
}
add_addr_ports_tests()
{
# signal address with port
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 port 10100
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "signal address with port" 1 1 1
chk_add_nr 1 1 1
# subflow and signal with port
reset
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal port 10100
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 with port" 2 2 2
chk_add_nr 1 1 1
# single address with port, 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 port 10100
ip netns exec $ns2 ./pm_nl_ctl limits 1 1
run_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow
chk_join_nr "remove single address with port" 1 1 1
chk_add_nr 1 1 1
chk_rm_nr 1 1 invert
# subflow and signal with port, 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 port 10100
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 0 -1 -1 slow
chk_join_nr "remove subflow and signal with port" 2 2 2
chk_add_nr 1 1 1
chk_rm_nr 1 1
# subflows and signal with port, flush
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 port 10100
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 0 -8 -8 slow
chk_join_nr "flush subflows and signal with port" 3 3 3
chk_add_nr 1 1
chk_rm_nr 2 2
# multiple addresses with port
reset
ip netns exec $ns1 ./pm_nl_ctl limits 2 2
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal port 10100
ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal port 10100
ip netns exec $ns2 ./pm_nl_ctl limits 2 2
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "multiple addresses with port" 2 2 2
chk_add_nr 2 2 2
# multiple addresses with ports
reset
ip netns exec $ns1 ./pm_nl_ctl limits 2 2
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal port 10100
ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal port 10101
ip netns exec $ns2 ./pm_nl_ctl limits 2 2
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr "multiple addresses with ports" 2 2 2
chk_add_nr 2 2 2
}
syncookies_tests()
{
# 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 1 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
}
checksum_tests()
{
# checksum test 0 0
reset_with_checksum 0 0
ip netns exec $ns1 ./pm_nl_ctl limits 0 1
ip netns exec $ns2 ./pm_nl_ctl limits 0 1
run_tests $ns1 $ns2 10.0.1.1
chk_csum_nr "checksum test 0 0"
# checksum test 1 1
reset_with_checksum 1 1
ip netns exec $ns1 ./pm_nl_ctl limits 0 1
ip netns exec $ns2 ./pm_nl_ctl limits 0 1
run_tests $ns1 $ns2 10.0.1.1
chk_csum_nr "checksum test 1 1"
# checksum test 0 1
reset_with_checksum 0 1
ip netns exec $ns1 ./pm_nl_ctl limits 0 1
ip netns exec $ns2 ./pm_nl_ctl limits 0 1
run_tests $ns1 $ns2 10.0.1.1
chk_csum_nr "checksum test 0 1"
# checksum test 1 0
reset_with_checksum 1 0
ip netns exec $ns1 ./pm_nl_ctl limits 0 1
ip netns exec $ns2 ./pm_nl_ctl limits 0 1
run_tests $ns1 $ns2 10.0.1.1
chk_csum_nr "checksum test 1 0"
}
deny_join_id0_tests()
{
# subflow allow join id0 ns1
reset_with_allow_join_id0 1 0
ip netns exec $ns1 ./pm_nl_ctl limits 1 1
ip netns exec $ns2 ./pm_nl_ctl limits 1 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 allow join id0 ns1" 1 1 1
# subflow allow join id0 ns2
reset_with_allow_join_id0 0 1
ip netns exec $ns1 ./pm_nl_ctl limits 1 1
ip netns exec $ns2 ./pm_nl_ctl limits 1 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 allow join id0 ns2" 0 0 0
# signal address allow join id0 ns1
# ADD_ADDRs are not affected by allow_join_id0 value.
reset_with_allow_join_id0 1 0
ip netns exec $ns1 ./pm_nl_ctl limits 1 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 allow join id0 ns1" 1 1 1
chk_add_nr 1 1
# signal address allow join id0 ns2
# ADD_ADDRs are not affected by allow_join_id0 value.
reset_with_allow_join_id0 0 1
ip netns exec $ns1 ./pm_nl_ctl limits 1 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 allow join id0 ns2" 1 1 1
chk_add_nr 1 1
# subflow and address allow join id0 ns1
reset_with_allow_join_id0 1 0
ip netns exec $ns1 ./pm_nl_ctl limits 2 2
ip netns exec $ns2 ./pm_nl_ctl limits 2 2
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
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 address allow join id0 1" 2 2 2
# subflow and address allow join id0 ns2
reset_with_allow_join_id0 0 1
ip netns exec $ns1 ./pm_nl_ctl limits 2 2
ip netns exec $ns2 ./pm_nl_ctl limits 2 2
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
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 address allow join id0 2" 1 1 1
}
fullmesh_tests()
{
# fullmesh 1
# 2 fullmesh addrs in ns2, added before the connection,
# 1 non-fullmesh addr in ns1, added during the connection.
reset
ip netns exec $ns1 ./pm_nl_ctl limits 0 4
ip netns exec $ns2 ./pm_nl_ctl limits 1 4
ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow,fullmesh
ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow,fullmesh
run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow
chk_join_nr "fullmesh test 2x1" 4 4 4
chk_add_nr 1 1
# fullmesh 2
# 1 non-fullmesh addr in ns1, added before the connection,
# 1 fullmesh addr in ns2, added during the connection.
reset
ip netns exec $ns1 ./pm_nl_ctl limits 1 3
ip netns exec $ns2 ./pm_nl_ctl limits 1 3
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_1 slow
chk_join_nr "fullmesh test 1x1" 3 3 3
chk_add_nr 1 1
# fullmesh 3
# 1 non-fullmesh addr in ns1, added before the connection,
# 2 fullmesh addrs in ns2, added during the connection.
reset
ip netns exec $ns1 ./pm_nl_ctl limits 2 5
ip netns exec $ns2 ./pm_nl_ctl limits 1 5
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_2 slow
chk_join_nr "fullmesh test 1x2" 5 5 5
chk_add_nr 1 1
# fullmesh 4
# 1 non-fullmesh addr in ns1, added before the connection,
# 2 fullmesh addrs in ns2, added during the connection,
# limit max_subflows to 4.
reset
ip netns exec $ns1 ./pm_nl_ctl limits 2 4
ip netns exec $ns2 ./pm_nl_ctl limits 1 4
ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_2 slow
chk_join_nr "fullmesh test 1x2, limited" 4 4 4
chk_add_nr 1 1
}
all_tests()
{
subflows_tests
signal_address_tests
link_failure_tests
add_addr_timeout_tests
remove_tests
add_tests
ipv6_tests
v4mapped_tests
backup_tests
add_addr_ports_tests
syncookies_tests
checksum_tests
deny_join_id0_tests
fullmesh_tests
}
usage()
{
echo "mptcp_join usage:"
echo " -f subflows_tests"
echo " -s signal_address_tests"
echo " -l link_failure_tests"
echo " -t add_addr_timeout_tests"
echo " -r remove_tests"
echo " -a add_tests"
echo " -6 ipv6_tests"
echo " -4 v4mapped_tests"
echo " -b backup_tests"
echo " -p add_addr_ports_tests"
echo " -k syncookies_tests"
echo " -S checksum_tests"
echo " -d deny_join_id0_tests"
echo " -m fullmesh_tests"
echo " -c capture pcap files"
echo " -C enable data checksum"
echo " -h help"
}
sin=$(mktemp)
sout=$(mktemp)
cin=$(mktemp)
cinsent=$(mktemp)
cout=$(mktemp)
init
make_file "$cin" "client" 1
make_file "$sin" "server" 1
trap cleanup EXIT
for arg in "$@"; do
# check for "capture/checksum" args before launching tests
if [[ "${arg}" =~ ^"-"[0-9a-zA-Z]*"c"[0-9a-zA-Z]*$ ]]; then
capture=1
fi
if [[ "${arg}" =~ ^"-"[0-9a-zA-Z]*"C"[0-9a-zA-Z]*$ ]]; then
checksum=1
fi
# exception for the capture/checksum options, the rest means: a part of the tests
if [ "${arg}" != "-c" ] && [ "${arg}" != "-C" ]; then
do_all_tests=0
fi
done
if [ $do_all_tests -eq 1 ]; then
all_tests
exit $ret
fi
while getopts 'fsltra64bpkdmchCS' opt; do
case $opt in
f)
subflows_tests
;;
s)
signal_address_tests
;;
l)
link_failure_tests
;;
t)
add_addr_timeout_tests
;;
r)
remove_tests
;;
a)
add_tests
;;
6)
ipv6_tests
;;
4)
v4mapped_tests
;;
b)
backup_tests
;;
p)
add_addr_ports_tests
;;
k)
syncookies_tests
;;
S)
checksum_tests
;;
d)
deny_join_id0_tests
;;
m)
fullmesh_tests
;;
c)
;;
C)
;;
h | *)
usage
;;
esac
done
exit $ret