blob: dc8d473fc82c86d47a760bf4e16aafa3d1c4aa06 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
. "$(dirname "${0}")/mptcp_lib.sh"
ret=0
sin=""
sout=""
cin=""
cout=""
ksft_skip=4
timeout_poll=30
timeout_test=$((timeout_poll * 2 + 1))
mptcp_connect=""
iptables="iptables"
ip6tables="ip6tables"
sec=$(date +%s)
rndh=$(printf %x $sec)-$(mktemp -u XXXXXX)
ns1="ns1-$rndh"
ns2="ns2-$rndh"
ns_sbox="ns_sbox-$rndh"
add_mark_rules()
{
local ns=$1
local m=$2
local t
for t in ${iptables} ${ip6tables}; do
# just to debug: check we have multiple subflows connection requests
ip netns exec $ns $t -A OUTPUT -p tcp --syn -m mark --mark $m -j ACCEPT
# RST packets might be handled by a internal dummy socket
ip netns exec $ns $t -A OUTPUT -p tcp --tcp-flags RST RST -m mark --mark 0 -j ACCEPT
ip netns exec $ns $t -A OUTPUT -p tcp -m mark --mark $m -j ACCEPT
ip netns exec $ns $t -A OUTPUT -p tcp -m mark --mark 0 -j DROP
done
}
init()
{
local netns
for netns in "$ns1" "$ns2" "$ns_sbox";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 $netns sysctl -q net.ipv4.conf.default.rp_filter=0
done
local i
for i in `seq 1 4`; do
ip link add ns1eth$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
ip netns exec $ns1 ./pm_nl_ctl add 10.0.$i.1 flags signal
ip netns exec $ns1 ./pm_nl_ctl add dead:beef:$i::1 flags signal
ip netns exec $ns2 ./pm_nl_ctl add 10.0.$i.2 flags signal
ip netns exec $ns2 ./pm_nl_ctl add dead:beef:$i::2 flags signal
done
ip netns exec $ns1 ./pm_nl_ctl limits 8 8
ip netns exec $ns2 ./pm_nl_ctl limits 8 8
add_mark_rules $ns1 1
add_mark_rules $ns2 2
}
cleanup()
{
local netns
for netns in "$ns1" "$ns2" "$ns_sbox"; do
ip netns del $netns
done
rm -f "$cin" "$cout"
rm -f "$sin" "$sout"
}
mptcp_lib_check_mptcp
mptcp_lib_check_kallsyms
ip -Version > /dev/null 2>&1
if [ $? -ne 0 ];then
echo "SKIP: Could not run test without ip tool"
exit $ksft_skip
fi
# Use the legacy version if available to support old kernel versions
if iptables-legacy -V &> /dev/null; then
iptables="iptables-legacy"
ip6tables="ip6tables-legacy"
elif ! iptables -V &> /dev/null; then
echo "SKIP: Could not run all tests without iptables tool"
exit $ksft_skip
elif ! ip6tables -V &> /dev/null; then
echo "SKIP: Could not run all tests without ip6tables tool"
exit $ksft_skip
fi
check_mark()
{
local ns=$1
local af=$2
local tables=${iptables}
if [ $af -eq 6 ];then
tables=${ip6tables}
fi
local counters values
counters=$(ip netns exec $ns $tables -v -L OUTPUT | grep DROP)
values=${counters%DROP*}
local v
for v in $values; do
if [ $v -ne 0 ]; then
echo "FAIL: got $tables $values in ns $ns , not 0 - not all expected packets marked" 1>&2
ret=1
return 1
fi
done
return 0
}
print_file_err()
{
ls -l "$1" 1>&2
echo "Trailing bytes are: "
tail -c 27 "$1"
}
check_transfer()
{
local in=$1
local out=$2
local 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
}
# $1: IP address
is_v6()
{
[ -z "${1##*:*}" ]
}
do_transfer()
{
local listener_ns="$1"
local connector_ns="$2"
local cl_proto="$3"
local srv_proto="$4"
local connect_addr="$5"
local port=12001
:> "$cout"
:> "$sout"
local mptcp_connect="./mptcp_connect -r 20"
local local_addr
if is_v6 "${connect_addr}"; then
local_addr="::"
else
local_addr="0.0.0.0"
fi
cmsg="TIMESTAMPNS"
if mptcp_lib_kallsyms_has "mptcp_ioctl$"; then
cmsg+=",TCPINQ"
fi
timeout ${timeout_test} \
ip netns exec ${listener_ns} \
$mptcp_connect -t ${timeout_poll} -l -M 1 -p $port -s ${srv_proto} -c "${cmsg}" \
${local_addr} < "$sin" > "$sout" &
local spid=$!
sleep 1
timeout ${timeout_test} \
ip netns exec ${connector_ns} \
$mptcp_connect -t ${timeout_poll} -M 2 -p $port -s ${cl_proto} -c "${cmsg}" \
$connect_addr < "$cin" > "$cout" &
local cpid=$!
wait $cpid
local retc=$?
wait $spid
local rets=$?
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"
echo -e "\nnetns ${connector_ns} socket stat for ${port}:" 1>&2
ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port"
ret=1
return 1
fi
if [ $local_addr = "::" ];then
check_mark $listener_ns 6 || retc=1
check_mark $connector_ns 6 || retc=1
else
check_mark $listener_ns 4 || retc=1
check_mark $connector_ns 4 || retc=1
fi
check_transfer $cin $sout "file received by server"
rets=$?
if [ $retc -eq 0 ] && [ $rets -eq 0 ];then
return 0
fi
return 1
}
make_file()
{
local name=$1
local who=$2
local 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 $who"
}
do_mptcp_sockopt_tests()
{
local lret=0
if ! mptcp_lib_kallsyms_has "mptcp_diag_fill_info$"; then
echo "INFO: MPTCP sockopt not supported: SKIP"
return
fi
ip netns exec "$ns_sbox" ./mptcp_sockopt
lret=$?
if [ $lret -ne 0 ]; then
echo "FAIL: SOL_MPTCP getsockopt" 1>&2
ret=$lret
return
fi
ip netns exec "$ns_sbox" ./mptcp_sockopt -6
lret=$?
if [ $lret -ne 0 ]; then
echo "FAIL: SOL_MPTCP getsockopt (ipv6)" 1>&2
ret=$lret
return
fi
}
run_tests()
{
local listener_ns="$1"
local connector_ns="$2"
local connect_addr="$3"
local lret=0
do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr}
lret=$?
if [ $lret -ne 0 ]; then
ret=$lret
return
fi
}
do_tcpinq_test()
{
ip netns exec "$ns_sbox" ./mptcp_inq "$@"
local lret=$?
if [ $lret -ne 0 ];then
ret=$lret
echo "FAIL: mptcp_inq $@" 1>&2
return $lret
fi
echo "PASS: TCP_INQ cmsg/ioctl $@"
return $lret
}
do_tcpinq_tests()
{
local lret=0
if ! mptcp_lib_kallsyms_has "mptcp_ioctl$"; then
echo "INFO: TCP_INQ not supported: SKIP"
return
fi
local args
for args in "-t tcp" "-r tcp"; do
do_tcpinq_test $args
lret=$?
if [ $lret -ne 0 ] ; then
return $lret
fi
do_tcpinq_test -6 $args
lret=$?
if [ $lret -ne 0 ] ; then
return $lret
fi
done
do_tcpinq_test -r tcp -t tcp
return $?
}
sin=$(mktemp)
sout=$(mktemp)
cin=$(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
run_tests $ns1 $ns2 dead:beef:1::1
if [ $ret -eq 0 ];then
echo "PASS: all packets had packet mark set"
fi
do_mptcp_sockopt_tests
if [ $ret -eq 0 ];then
echo "PASS: SOL_MPTCP getsockopt has expected information"
fi
do_tcpinq_tests
exit $ret
|