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linux/tools/testing/selftests/net/mptcp/mptcp_join.sh
Geliang Tang 6fe4ccdc3d selftests: mptcp: add the flush addrs testcase 
This patch added the flush addrs testcase. In do_transfer, if the number
of removing addresses is less than 8, use the del addr command to remove
the addresses one by one. If the number is more than 8, use the flush addrs
command to remove the addresses.

Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-14 17:30:06 -08:00

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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
ret=0
sin=""
sout=""
cin=""
cinsent=""
cout=""
ksft_skip=4
timeout=30
mptcp_connect=""
capture=0
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 $netns sysctl -q net.ipv4.conf.default.rp_filter=0
done
# ns1 ns2
# ns1eth1 ns2eth1
# ns1eth2 ns2eth2
# ns1eth3 ns2eth3
# ns1eth4 ns2eth4
for i in `seq 1 4`; do
ip link add ns1eth$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" "$sout" "$cinsent"
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
}
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
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="$1"
l=$((RANDOM%4))
l=$((l+1))
veth="ns1eth$l"
ip -net "$ns" link set "$veth" down
}
# $1: IP address
is_v6()
{
[ -z "${1##*:*}" ]
}
do_transfer()
{
listener_ns="$1"
connector_ns="$2"
cl_proto="$3"
srv_proto="$4"
connect_addr="$5"
test_link_fail="$6"
rm_nr_ns1="$7"
rm_nr_ns2="$8"
speed="$9"
port=$((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 [ $speed = "fast" ]; then
mptcp_connect="./mptcp_connect -j"
else
mptcp_connect="./mptcp_connect -r"
fi
local local_addr
if is_v6 "${connect_addr}"; then
local_addr="::"
else
local_addr="0.0.0.0"
fi
ip netns exec ${listener_ns} $mptcp_connect -t $timeout -l -p $port \
-s ${srv_proto} ${local_addr} < "$sin" > "$sout" &
spid=$!
sleep 1
if [ "$test_link_fail" -eq 0 ];then
ip netns exec ${connector_ns} $mptcp_connect -t $timeout -p $port -s ${cl_proto} $connect_addr < "$cin" > "$cout" &
else
( cat "$cin" ; sleep 2; link_failure $listener_ns ; cat "$cin" ) | tee "$cinsent" | \
ip netns exec ${connector_ns} $mptcp_connect -t $timeout -p $port -s ${cl_proto} $connect_addr > "$cout" &
fi
cpid=$!
if [ $rm_nr_ns1 -gt 0 ]; then
if [ $rm_nr_ns1 -lt 8 ]; 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
else
sleep 1
ip netns exec ${listener_ns} ./pm_nl_ctl flush
fi
fi
if [ $rm_nr_ns2 -gt 0 ]; then
if [ $rm_nr_ns2 -lt 8 ]; 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
else
sleep 1
ip netns exec ${connector_ns} ./pm_nl_ctl flush
fi
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"
ret=1
return 1
fi
check_transfer $sin $cout "file received by client"
retc=$?
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}"
rm_nr_ns1="${5:-0}"
rm_nr_ns2="${6:-0}"
speed="${7:-fast}"
lret=0
oldin=""
if [ "$test_linkfail" -eq 1 ];then
size=$((RANDOM%1024))
size=$((size+1))
size=$((size*128))
oldin=$(mktemp)
cp "$cin" "$oldin"
make_file "$cin" "client" $size
fi
do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr} \
${test_linkfail} ${rm_nr_ns1} ${rm_nr_ns2} ${speed}
lret=$?
if [ "$test_linkfail" -eq 1 ];then
cp "$oldin" "$cin"
rm -f "$oldin"
fi
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)
cinsent=$(mktemp)
cout=$(mktemp)
init
make_file "$cin" "client" 1
make_file "$sin" "server" 1
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
# accept and use add_addr with additional subflows and link loss
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 1
chk_join_nr "multiple flows, signal, link failure" 3 3 3
chk_add_nr 1 1
# 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
# 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 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_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
# 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
# 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
# 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
# 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 0 0
# 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
# 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
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