2 # Copyright (c) 2014 Spectra Logic Corporation
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions
8 # 1. Redistributions of source code must retain the above copyright
9 # notice, this list of conditions, and the following disclaimer,
10 # without modification.
11 # 2. Redistributions in binary form must reproduce at minimum a disclaimer
12 # substantially similar to the "NO WARRANTY" disclaimer below
13 # ("Disclaimer") and any redistribution must be conditioned upon
14 # including a substantially similar Disclaimer requirement for further
15 # binary redistribution.
18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
21 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 # HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 # STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27 # IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 # POSSIBILITY OF SUCH DAMAGES.
30 # Authors: Alan Somers (Spectra Logic Corporation)
34 atf_test_case create cleanup
37 atf_set "descr" "Create a lagg and assign an address"
38 atf_set "require.user" "root"
42 local TAP0 TAP1 LAGG MAC
44 # Configure the lagg interface to use an RFC5737 nonrouteable addresses
55 atf_check ifconfig $LAGG up laggport $TAP0 laggport $TAP1 \
57 atf_check -o match:"inet ${ADDR}" ifconfig $LAGG
58 atf_check -o match:"laggport: ${TAP0}" ifconfig $LAGG
59 atf_check -o match:"laggport: ${TAP1}" ifconfig $LAGG
61 # Check that all members have the same MAC
62 MAC=`ifconfig $LAGG | awk '/ether/ {print $2}'`
63 atf_check -o match:"ether ${MAC}" ifconfig $TAP0
64 atf_check -o match:"ether ${MAC}" ifconfig $TAP1
66 # Check that no members have an IPv6 link-local address. IPv6
67 # link-local addresses should never be merged in any way to prevent
69 atf_check -o not-match:"inet6 fe80:" ifconfig $TAP0
70 atf_check -o not-match:"inet6 fe80:" ifconfig $TAP1
77 atf_test_case status_stress cleanup
80 atf_set "descr" "Simultaneously query a lagg while also creating or destroying it."
81 atf_set "require.user" "root"
85 local TAP0 TAP1 LAGG MAC
87 if [ "$(atf_config_get ci false)" = "true" ]; then
88 atf_skip "Skipping this test because it panics the machine fairly often"
91 # Configure the lagg interface to use an RFC5737 nonrouteable addresses
101 # Up the lagg's children
102 ifconfig $TAP0 inet6 ifdisabled up
103 ifconfig $TAP1 inet6 ifdisabled up
104 ifconfig $TAP2 inet6 ifdisabled up
105 ifconfig $TAP3 inet6 ifdisabled up
107 # First thread: create and destroy the lagg
109 ifconfig $LAGG destroy 2>&1
110 ifconfig $LAGG create 2>/dev/null
111 ifconfig $LAGG inet6 ifdisabled
112 ifconfig $LAGG up laggport $TAP0 laggport $TAP1 laggport $TAP2\
113 laggport $TAP3 ${ADDR}/${MASK} 2>/dev/null
114 echo -n . >> creator_count.txt
118 # Second thread: Query the lagg's status
120 ifconfig -am 2> /dev/null > /dev/null
121 echo -n . >> querier_count.txt
128 echo "Created the lagg `stat -f %z creator_count.txt` times."
129 echo "Queried its status `stat -f %z querier_count.txt` times"
131 status_stress_cleanup()
136 atf_test_case create_destroy_stress cleanup
137 create_destroy_stress_head()
139 atf_set "descr" "Simultaneously create and destroy a lagg"
140 atf_set "require.user" "root"
142 create_destroy_stress_body()
144 local TAP0 TAP1 LAGG MAC
146 atf_skip "Skipping this test because it easily panics the machine"
154 # Up the lagg's children
155 ifconfig $TAP0 inet6 ifdisabled up
156 ifconfig $TAP1 inet6 ifdisabled up
157 ifconfig $TAP2 inet6 ifdisabled up
158 ifconfig $TAP3 inet6 ifdisabled up
160 # First thread: create the lagg
162 ifconfig $LAGG create 2>/dev/null && \
163 echo -n . >> creator_count.txt
167 # Second thread: destroy the lagg
169 ifconfig $LAGG destroy 2>/dev/null && \
170 echo -n . >> destroyer_count.txt
177 echo "Created the lagg `stat -f %z creator_count.txt` times."
178 echo "Destroyed it `stat -f %z destroyer_count.txt` times."
180 create_destroy_stress_cleanup()
185 # This test regresses a panic that is particular to LACP. If the child's link
186 # state changes while the lagg is being destroyed, lacp_linkstate can
187 # use-after-free. The problem is compounded by two factors:
188 # 1) In SpectraBSD, downing the parent will also down the child
189 # 2) The cxgbe driver will show the link state as "no carrier" as soon as you
190 # down the interface.
191 # TeamTrack: P2_30328
192 atf_test_case lacp_linkstate_destroy_stress cleanup
193 lacp_linkstate_destroy_stress_head()
195 atf_set "descr" "Simultaneously destroy an LACP lagg and change its childrens link states"
196 atf_set "require.user" "root"
198 lacp_linkstate_destroy_stress_body()
200 if [ "$(atf_config_get ci false)" = "true" ]; then
201 atf_skip "https://bugs.freebsd.org/244168"
204 local TAP0 TAP1 LAGG MAC SRCDIR
206 # Configure the lagg interface to use an RFC5737 nonrouteable addresses
209 # ifconfig takes about 10ms to run. To increase race coverage,
210 # randomly delay the two commands relative to each other by 5ms either
212 MEAN_SLEEP_SECONDS=.005
213 MAX_SLEEP_USECS=10000
219 # Up the lagg's children
220 ifconfig $TAP0 inet6 ifdisabled up
221 ifconfig $TAP1 inet6 ifdisabled up
223 SRCDIR=$( atf_get_srcdir )
225 ifconfig $LAGG inet6 ifdisabled
226 # We must open the tap devices to change their link states
227 cat /dev/$TAP0 > /dev/null &
229 cat /dev/$TAP1 > /dev/null &
231 ifconfig $LAGG up laggport $TAP0 laggport $TAP1 \
232 ${ADDR}/${MASK} 2> /dev/null &&
233 { sleep ${MEAN_SLEEP_SECONDS} && \
236 echo -n . >> linkstate_count.txt ; } &
237 { ${SRCDIR}/randsleep ${MAX_SLEEP_USECS} && \
238 ifconfig $LAGG destroy &&
239 echo -n . >> destroy_count.txt ; } &
241 ifconfig $LAGG create
247 echo "Disconnected the children `stat -f %z linkstate_count.txt` times."
248 echo "Destroyed the lagg `stat -f %z destroy_count.txt` times."
250 lacp_linkstate_destroy_stress_cleanup()
255 atf_test_case up_destroy_stress cleanup
256 up_destroy_stress_head()
258 atf_set "descr" "Simultaneously up and destroy a lagg"
259 atf_set "require.user" "root"
261 up_destroy_stress_body()
263 local TAP0 TAP1 LAGG MAC SRCDIR
265 atf_skip "Skipping this test because it panics the machine fairly often"
267 # Configure the lagg interface to use an RFC5737 nonrouteable addresses
270 # ifconfig takes about 10ms to run. To increase race coverage,
271 # randomly delay the two commands relative to each other by 5ms either
273 MEAN_SLEEP_SECONDS=.005
274 MAX_SLEEP_USECS=10000
282 # Up the lagg's children
283 ifconfig $TAP0 inet6 ifdisabled up
284 ifconfig $TAP1 inet6 ifdisabled up
285 ifconfig $TAP2 inet6 ifdisabled up
286 ifconfig $TAP3 inet6 ifdisabled up
288 SRCDIR=$( atf_get_srcdir )
290 ifconfig $LAGG inet6 ifdisabled
291 { sleep ${MEAN_SLEEP_SECONDS} && \
292 ifconfig $LAGG up laggport $TAP0 laggport $TAP1 \
293 laggport $TAP2 laggport $TAP3 \
294 ${ADDR}/${MASK} 2> /dev/null &&
295 echo -n . >> up_count.txt ; } &
296 { ${SRCDIR}/randsleep ${MAX_SLEEP_USECS} && \
297 ifconfig $LAGG destroy &&
298 echo -n . >> destroy_count.txt ; } &
300 ifconfig $LAGG create
306 echo "Upped the lagg `stat -f %z up_count.txt` times."
307 echo "Destroyed it `stat -f %z destroy_count.txt` times."
309 up_destroy_stress_cleanup()
314 atf_test_case set_ether cleanup
317 atf_set "descr" "Set a lagg's ethernet address"
318 atf_set "require.user" "root"
322 local TAP0 TAP1 LAGG MAC
324 # Configure the lagg interface to use an RFC5737 nonrouteable addresses
327 MAC="00:11:22:33:44:55"
336 atf_check ifconfig $LAGG up laggport $TAP0 laggport $TAP1 \
339 # Change the lagg's ethernet address
340 atf_check ifconfig $LAGG ether ${MAC}
342 # Check that all members have the same MAC
343 atf_check -o match:"ether ${MAC}" ifconfig $LAGG
344 atf_check -o match:"ether ${MAC}" ifconfig $TAP0
345 atf_check -o match:"ether ${MAC}" ifconfig $TAP1
352 atf_test_case updown cleanup
355 atf_set "descr" "upping or downing a lagg ups or downs its children"
356 atf_set "require.user" "root"
360 local TAP0 TAP1 LAGG MAC
362 atf_expect_fail "PR 226144 Upping a lagg interrface should automatically up its children"
363 # Configure the lagg interface to use an RFC5737 nonrouteable addresses
366 MAC="00:11:22:33:44:55"
375 atf_check ifconfig $LAGG up laggport $TAP0 laggport $TAP1 \
380 atf_check -o not-match:"flags=.*\<UP\>" ifconfig $LAGG
381 atf_check -o not-match:"flags=.*\<UP\>" ifconfig $TAP0
382 atf_check -o not-match:"flags=.*\<UP\>" ifconfig $TAP1
385 atf_check -o match:"flags=.*\<UP\>" ifconfig $LAGG
386 atf_check -o match:"flags=.*\<UP\>" ifconfig $TAP0
387 atf_check -o match:"flags=.*\<UP\>" ifconfig $TAP1
389 # Check that no members have acquired an IPv6 link-local address by
390 # virtue of being upped. IPv6 link-local addresses should never be
391 # merged in any way to prevent scope violation.
392 atf_check -o not-match:"inet6 fe80:" ifconfig $TAP0
393 atf_check -o not-match:"inet6 fe80:" ifconfig $TAP1
400 # Check for lock-order reversals. For best results, this test should be run
402 atf_test_case witness
405 atf_set "descr" "Check witness(4) for lock-order reversals in if_lagg"
409 if [ "$(atf_config_get ci false)" = "true" ]; then
410 atf_skip "https://bugs.freebsd.org/244163 and https://bugs.freebsd.org/251726"
412 if [ `sysctl -n debug.witness.watch` -ne 1 ]; then
413 atf_skip "witness(4) is not enabled"
415 if `sysctl -n debug.witness.badstacks | grep -q 'at lagg_'`; then
416 sysctl debug.witness.badstacks
417 atf_fail "Lock-order reversals involving if_lagg.c detected"
421 atf_init_test_cases()
423 atf_add_test_case create
424 atf_add_test_case create_destroy_stress
425 atf_add_test_case lacp_linkstate_destroy_stress
426 atf_add_test_case set_ether
427 atf_add_test_case status_stress
428 atf_add_test_case up_destroy_stress
429 atf_add_test_case updown
430 # For best results, keep the witness test last
431 atf_add_test_case witness
435 # Creates a new tap(4) interface, registers it for cleanup, and echoes it
439 while ! ifconfig tap${TAPN} create > /dev/null 2>&1; do
440 if [ "$TAPN" -ge 8 ]; then
441 atf_skip "Could not create a tap(4) interface"
446 local TAPD=tap${TAPN}
447 # Record the TAP device so we can clean it up later
448 echo ${TAPD} >> "devices_to_cleanup"
452 # Creates a new lagg(4) interface, registers it for cleanup, and echoes it
456 while ! ifconfig lagg${LAGGN} create > /dev/null 2>&1; do
457 if [ "$LAGGN" -ge 8 ]; then
458 atf_skip "Could not create a lagg(4) interface"
460 LAGGN=$(($LAGGN + 1))
463 local LAGGD=lagg${LAGGN}
464 # Record the lagg device so we can clean it up later
465 echo ${LAGGD} >> "devices_to_cleanup"
469 cleanup_tap_and_lagg()
473 for DEV in `cat "devices_to_cleanup"`; do
474 ifconfig ${DEV} destroy