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Add tests for lagg(4) and other cloned network interfaces
Unfortunately, most of the tests are disabled because they fairly frequently trigger panics. MFC after: 3 weeks Sponsored by: Spectra Logic Corp
This commit is contained in:
Alan Somers
parent
315fbaeca2
commit
4b40bdbd1f
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=329874
@ -730,6 +730,8 @@
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..
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mqueue
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..
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net
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..
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netinet
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..
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netipsec
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21
tests/sys/net/Makefile
Normal file
21
tests/sys/net/Makefile
Normal file
@ -0,0 +1,21 @@
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# $FreeBSD$
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.include <bsd.own.mk>
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TESTSDIR= ${TESTSBASE}/sys/net
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BINDIR= ${TESTSDIR}
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ATF_TESTS_SH+= if_lagg_test
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ATF_TESTS_SH+= if_clone_test
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# The tests are written to be run in parallel, but doing so leads to random
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# panics. I think it's because the kernel's list of interfaces isn't properly
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# locked.
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TEST_METADATA+= is_exclusive=true
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MAN=
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PROG= randsleep
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WARNS?= 6
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.include <bsd.test.mk>
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511
tests/sys/net/if_clone_test.sh
Executable file
511
tests/sys/net/if_clone_test.sh
Executable file
@ -0,0 +1,511 @@
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#
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# Copyright (c) 2014 Spectra Logic Corporation
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions, and the following disclaimer,
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# without modification.
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# 2. Redistributions in binary form must reproduce at minimum a disclaimer
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# substantially similar to the "NO WARRANTY" disclaimer below
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# ("Disclaimer") and any redistribution must be conditioned upon
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# including a substantially similar Disclaimer requirement for further
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# binary redistribution.
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#
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# NO WARRANTY
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGES.
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#
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# Authors: Alan Somers (Spectra Logic Corporation)
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#
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# $FreeBSD$
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# Outline:
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# For each cloned interface type, do three tests
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# 1) Create and destroy it
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# 2) Create, up, and destroy it
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# 3) Create, disable IPv6 auto address assignment, up, and destroy it
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TESTLEN=10 # seconds
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atf_test_case faith_stress cleanup
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faith_stress_head()
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{
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atf_set "descr" "Simultaneously create and destroy a faith(4)"
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atf_set "require.user" "root"
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}
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faith_stress_body()
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{
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do_stress "faith"
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}
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faith_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_test_case faith_up_stress cleanup
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faith_up_stress_head()
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{
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atf_set "descr" "Simultaneously up and destroy a faith(4)"
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atf_set "require.user" "root"
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}
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faith_up_stress_body()
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{
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atf_skip "Quickly panics: if_freemulti: protospec not NULL"
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do_up_stress "faith" "" ""
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}
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faith_up_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_test_case faith_ipv6_up_stress cleanup
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faith_ipv6_up_stress_head()
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{
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atf_set "descr" "Simultaneously up and destroy a faith(4) with IPv6"
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atf_set "require.user" "root"
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}
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faith_ipv6_up_stress_body()
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{
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atf_skip "Quickly panics: if_freemulti: protospec not NULL"
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do_up_stress "faith" "6" ""
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}
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faith_ipv6_up_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_test_case gif_stress cleanup
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gif_stress_head()
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{
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atf_set "descr" "Simultaneously create and destroy a gif(4)"
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atf_set "require.user" "root"
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}
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gif_stress_body()
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{
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do_stress "gif"
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}
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gif_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_test_case gif_up_stress cleanup
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gif_up_stress_head()
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{
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atf_set "descr" "Simultaneously up and destroy a gif(4)"
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atf_set "require.user" "root"
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}
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gif_up_stress_body()
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{
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atf_skip "Quickly panics: if_freemulti: protospec not NULL"
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do_up_stress "gif" "" "p2p"
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}
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gif_up_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_test_case gif_ipv6_up_stress cleanup
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gif_ipv6_up_stress_head()
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{
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atf_set "descr" "Simultaneously up and destroy a gif(4) with IPv6"
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atf_set "require.user" "root"
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}
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gif_ipv6_up_stress_body()
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{
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atf_skip "Quickly panics: rt_tables_get_rnh_ptr: fam out of bounds."
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do_up_stress "gif" "6" "p2p"
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}
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gif_ipv6_up_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_test_case lo_stress cleanup
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lo_stress_head()
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{
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atf_set "descr" "Simultaneously create and destroy an lo(4)"
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atf_set "require.user" "root"
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}
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lo_stress_body()
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{
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do_stress "lo"
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}
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lo_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_test_case lo_up_stress cleanup
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lo_up_stress_head()
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{
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atf_set "descr" "Simultaneously up and destroy an lo(4)"
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atf_set "require.user" "root"
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}
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lo_up_stress_body()
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{
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atf_skip "Quickly panics: GPF in rtsock_routemsg"
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do_up_stress "lo" "" ""
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}
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lo_up_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_test_case lo_ipv6_up_stress cleanup
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lo_ipv6_up_stress_head()
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{
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atf_set "descr" "Simultaneously up and destroy an lo(4) with IPv6"
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atf_set "require.user" "root"
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}
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lo_ipv6_up_stress_body()
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{
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atf_skip "Quickly panics: page fault in rtsock_addrmsg"
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do_up_stress "lo" "6" ""
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}
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lo_ipv6_up_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_test_case tap_stress cleanup
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tap_stress_head()
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{
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atf_set "descr" "Simultaneously create and destroy a tap(4)"
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atf_set "require.user" "root"
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}
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tap_stress_body()
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{
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do_stress "tap"
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}
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tap_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_test_case tap_up_stress cleanup
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tap_up_stress_head()
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{
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atf_set "descr" "Simultaneously up and destroy a tap(4)"
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atf_set "require.user" "root"
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}
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tap_up_stress_body()
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{
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atf_skip "Quickly panics: if_freemulti: protospec not NULL"
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do_up_stress "tap" "" ""
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}
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tap_up_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_test_case tap_ipv6_up_stress cleanup
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tap_ipv6_up_stress_head()
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{
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atf_set "descr" "Simultaneously up and destroy a tap(4) with IPv6"
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atf_set "require.user" "root"
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}
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tap_ipv6_up_stress_body()
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{
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atf_skip "Quickly panics: if_delmulti_locked: inconsistent ifp 0xfffff80150e44000"
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do_up_stress "tap" "6" ""
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}
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tap_ipv6_up_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_test_case tun_stress cleanup
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tun_stress_head()
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{
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atf_set "descr" "Simultaneously create and destroy a tun(4)"
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atf_set "require.user" "root"
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}
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tun_stress_body()
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{
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do_stress "tun"
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}
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tun_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_test_case tun_up_stress cleanup
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tun_up_stress_head()
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{
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atf_set "descr" "Simultaneously up and destroy a tun(4)"
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atf_set "require.user" "root"
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}
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tun_up_stress_body()
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{
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atf_skip "Quickly panics: if_freemulti: protospec not NULL"
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do_up_stress "tun" "" "p2p"
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}
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tun_up_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_test_case tun_ipv6_up_stress cleanup
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tun_ipv6_up_stress_head()
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{
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atf_set "descr" "Simultaneously up and destroy a tun(4) with IPv6"
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atf_set "require.user" "root"
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}
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tun_ipv6_up_stress_body()
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{
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atf_skip "Quickly panics: if_freemulti: protospec not NULL"
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do_up_stress "tun" "6" "p2p"
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}
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tun_ipv6_up_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_test_case vlan_stress cleanup
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vlan_stress_head()
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{
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atf_set "descr" "Simultaneously create and destroy a vlan(4)"
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atf_set "require.user" "root"
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}
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vlan_stress_body()
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{
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do_stress "vlan"
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}
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vlan_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_test_case vlan_up_stress cleanup
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vlan_up_stress_head()
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{
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atf_set "descr" "Simultaneously up and destroy a vlan(4)"
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atf_set "require.user" "root"
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}
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vlan_up_stress_body()
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{
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atf_skip "Quickly panics: if_freemulti: protospec not NULL"
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do_up_stress "vlan" "" ""
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}
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vlan_up_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_test_case vlan_ipv6_up_stress cleanup
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vlan_ipv6_up_stress_head()
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{
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atf_set "descr" "Simultaneously up and destroy a vlan(4) with IPv6"
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atf_set "require.user" "root"
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}
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vlan_ipv6_up_stress_body()
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{
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atf_skip "Quickly panics: if_freemulti: protospec not NULL"
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do_up_stress "vlan" "6" ""
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}
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vlan_ipv6_up_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_test_case vmnet_stress cleanup
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vmnet_stress_head()
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{
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atf_set "descr" "Simultaneously create and destroy a vmnet(4)"
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atf_set "require.user" "root"
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}
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vmnet_stress_body()
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{
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do_stress "vmnet"
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}
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vmnet_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_test_case vmnet_up_stress cleanup
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vmnet_up_stress_head()
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{
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atf_set "descr" "Simultaneously up and destroy a vmnet(4)"
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atf_set "require.user" "root"
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}
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vmnet_up_stress_body()
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{
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do_up_stress "vmnet" "" ""
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}
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vmnet_up_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_test_case vmnet_ipv6_up_stress cleanup
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vmnet_ipv6_up_stress_head()
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{
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atf_set "descr" "Simultaneously up and destroy a vmnet(4) with IPv6"
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atf_set "require.user" "root"
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}
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vmnet_ipv6_up_stress_body()
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{
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atf_skip "Quickly panics: if_freemulti: protospec not NULL"
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do_up_stress "vmnet" "6" ""
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}
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vmnet_ipv6_up_stress_cleanup()
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{
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cleanup_ifaces
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}
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atf_init_test_cases()
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{
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# TODO: add epair(4) tests, which need a different syntax
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atf_add_test_case faith_ipv6_up_stress
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atf_add_test_case faith_stress
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atf_add_test_case faith_up_stress
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atf_add_test_case gif_ipv6_up_stress
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atf_add_test_case gif_stress
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atf_add_test_case gif_up_stress
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# Don't test lagg; it has its own test program
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atf_add_test_case lo_ipv6_up_stress
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atf_add_test_case lo_stress
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atf_add_test_case lo_up_stress
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atf_add_test_case tap_ipv6_up_stress
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atf_add_test_case tap_stress
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atf_add_test_case tap_up_stress
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atf_add_test_case tun_ipv6_up_stress
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atf_add_test_case tun_stress
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atf_add_test_case tun_up_stress
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atf_add_test_case vlan_ipv6_up_stress
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atf_add_test_case vlan_stress
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atf_add_test_case vlan_up_stress
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atf_add_test_case vmnet_ipv6_up_stress
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atf_add_test_case vmnet_stress
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atf_add_test_case vmnet_up_stress
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}
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do_stress()
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{
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local IFACE
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IFACE=`get_iface $1`
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# First thread: create the interface
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while true; do
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ifconfig $IFACE create 2>/dev/null && \
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echo -n . >> creator_count.txt
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done &
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CREATOR_PID=$!
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# Second thread: destroy the lagg
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while true; do
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ifconfig $IFACE destroy 2>/dev/null && \
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echo -n . >> destroyer_count.txt
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done &
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DESTROYER_PID=$!
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sleep ${TESTLEN}
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kill $CREATOR_PID
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kill $DESTROYER_PID
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echo "Created $IFACE `stat -f %z creator_count.txt` times."
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echo "Destroyed it `stat -f %z destroyer_count.txt` times."
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}
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# Implement the up stress tests
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||||
# Parameters
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||||
# $1 Interface class, etc "lo" or "tap"
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||||
# $2 "6" to enable IPv6 auto address assignment, anything else otherwise
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||||
# $3 p2p for point to point interfaces, anything else for normal interfaces
|
||||
do_up_stress()
|
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{
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local IFACE IPv6 MAC P2P SRCDIR
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||||
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||||
# Configure the interface to use an RFC5737 nonrouteable addresses
|
||||
ADDR="192.0.2.2"
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DSTADDR="192.0.2.3"
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MASK="24"
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# ifconfig takes about 10ms to run. To increase race coverage,
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||||
# randomly delay the two commands relative to each other by 5ms either
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||||
# way.
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||||
MEAN_SLEEP_SECONDS=.005
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MAX_SLEEP_USECS=10000
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||||
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||||
IFACE=`get_iface $1`
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||||
IPV6=$2
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||||
P2P=$3
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||||
|
||||
SRCDIR=$( atf_get_srcdir )
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||||
if [ "$IPV6" = 6 ]; then
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||||
ipv6_cmd="true"
|
||||
else
|
||||
ipv6_cmd="ifconfig $IFACE inet6 ifdisabled"
|
||||
fi
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||||
if [ "$P2P" = "p2p" ]; then
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||||
up_cmd="ifconfig $IFACE up ${ADDR}/${MASK} ${DSTADDR}"
|
||||
else
|
||||
up_cmd="ifconfig $IFACE up ${ADDR}/${MASK}"
|
||||
fi
|
||||
while true; do
|
||||
eval "$ipv6_cmd"
|
||||
{ sleep ${MEAN_SLEEP_SECONDS} && \
|
||||
eval "$up_cmd" 2> /dev/null &&
|
||||
echo -n . >> up_count.txt ; } &
|
||||
{ ${SRCDIR}/randsleep ${MAX_SLEEP_USECS} && \
|
||||
ifconfig $IFACE destroy &&
|
||||
echo -n . >> destroy_count.txt ; } &
|
||||
wait
|
||||
ifconfig $IFACE create
|
||||
done &
|
||||
LOOP_PID=$!
|
||||
|
||||
sleep ${TESTLEN}
|
||||
kill $LOOP_PID
|
||||
echo "Upped ${IFACE} `stat -f %z up_count.txt` times."
|
||||
echo "Destroyed it `stat -f %z destroy_count.txt` times."
|
||||
}
|
||||
|
||||
# Creates a new cloned interface, registers it for cleanup, and echoes it
|
||||
# params: $1 Interface class name (tap, gif, etc)
|
||||
get_iface()
|
||||
{
|
||||
local CLASS DEV N
|
||||
|
||||
CLASS=$1
|
||||
N=0
|
||||
while ! ifconfig ${CLASS}${N} create > /dev/null 2>&1; do
|
||||
if [ "$N" -ge 8 ]; then
|
||||
atf_skip "Could not create a ${CLASS} interface"
|
||||
else
|
||||
N=$(($N + 1))
|
||||
fi
|
||||
done
|
||||
local DEV=${CLASS}${N}
|
||||
# Record the device so we can clean it up later
|
||||
echo ${DEV} >> "devices_to_cleanup"
|
||||
echo ${DEV}
|
||||
}
|
||||
|
||||
|
||||
cleanup_ifaces()
|
||||
{
|
||||
local DEV
|
||||
|
||||
for DEV in `cat "devices_to_cleanup"`; do
|
||||
if [ ${DEV%%[0-9]*a} = "epair" ]; then
|
||||
ifconfig ${DEV}a destroy
|
||||
else
|
||||
ifconfig ${DEV} destroy
|
||||
fi
|
||||
done
|
||||
true
|
||||
}
|
||||
466
tests/sys/net/if_lagg_test.sh
Executable file
466
tests/sys/net/if_lagg_test.sh
Executable file
@ -0,0 +1,466 @@
|
||||
#
|
||||
# Copyright (c) 2014 Spectra Logic Corporation
|
||||
# All rights reserved.
|
||||
#
|
||||
# Redistribution and use in source and binary forms, with or without
|
||||
# modification, are permitted provided that the following conditions
|
||||
# are met:
|
||||
# 1. Redistributions of source code must retain the above copyright
|
||||
# notice, this list of conditions, and the following disclaimer,
|
||||
# without modification.
|
||||
# 2. Redistributions in binary form must reproduce at minimum a disclaimer
|
||||
# substantially similar to the "NO WARRANTY" disclaimer below
|
||||
# ("Disclaimer") and any redistribution must be conditioned upon
|
||||
# including a substantially similar Disclaimer requirement for further
|
||||
# binary redistribution.
|
||||
#
|
||||
# NO WARRANTY
|
||||
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
|
||||
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
# HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
||||
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
|
||||
# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
# POSSIBILITY OF SUCH DAMAGES.
|
||||
#
|
||||
# Authors: Alan Somers (Spectra Logic Corporation)
|
||||
#
|
||||
# $FreeBSD$
|
||||
|
||||
atf_test_case create cleanup
|
||||
create_head()
|
||||
{
|
||||
atf_set "descr" "Create a lagg and assign an address"
|
||||
atf_set "require.user" "root"
|
||||
}
|
||||
create_body()
|
||||
{
|
||||
local TAP0 TAP1 LAGG MAC
|
||||
|
||||
# Configure the lagg interface to use an RFC5737 nonrouteable addresses
|
||||
ADDR="192.0.2.2"
|
||||
MASK="24"
|
||||
|
||||
TAP0=`get_tap`
|
||||
TAP1=`get_tap`
|
||||
LAGG=`get_lagg`
|
||||
|
||||
# Create the lagg
|
||||
ifconfig $TAP0 up
|
||||
ifconfig $TAP1 up
|
||||
atf_check ifconfig $LAGG up laggport $TAP0 laggport $TAP1 \
|
||||
${ADDR}/${MASK}
|
||||
atf_check -o match:"inet ${ADDR}" ifconfig $LAGG
|
||||
atf_check -o match:"laggport: ${TAP0}" ifconfig $LAGG
|
||||
atf_check -o match:"laggport: ${TAP1}" ifconfig $LAGG
|
||||
|
||||
# Check that all members have the same MAC
|
||||
MAC=`ifconfig $LAGG | awk '/ether/ {print $2}'`
|
||||
atf_check -o match:"ether ${MAC}" ifconfig $TAP0
|
||||
atf_check -o match:"ether ${MAC}" ifconfig $TAP1
|
||||
|
||||
# Check that no members have an IPv6 link-local address. IPv6
|
||||
# link-local addresses should never be merged in any way to prevent
|
||||
# scope violation.
|
||||
atf_check -o not-match:"inet6 fe80:" ifconfig $TAP0
|
||||
atf_check -o not-match:"inet6 fe80:" ifconfig $TAP1
|
||||
}
|
||||
create_cleanup()
|
||||
{
|
||||
cleanup_tap_and_lagg
|
||||
}
|
||||
|
||||
atf_test_case status_stress cleanup
|
||||
status_stress_head()
|
||||
{
|
||||
atf_set "descr" "Simultaneously query a lagg while also creating or destroying it."
|
||||
atf_set "require.user" "root"
|
||||
}
|
||||
status_stress_body()
|
||||
{
|
||||
local TAP0 TAP1 LAGG MAC
|
||||
|
||||
# Configure the lagg interface to use an RFC5737 nonrouteable addresses
|
||||
ADDR="192.0.2.2"
|
||||
MASK="24"
|
||||
|
||||
TAP0=`get_tap`
|
||||
TAP1=`get_tap`
|
||||
TAP2=`get_tap`
|
||||
TAP3=`get_tap`
|
||||
LAGG=`get_lagg`
|
||||
|
||||
# Up the lagg's children
|
||||
ifconfig $TAP0 inet6 ifdisabled up
|
||||
ifconfig $TAP1 inet6 ifdisabled up
|
||||
ifconfig $TAP2 inet6 ifdisabled up
|
||||
ifconfig $TAP3 inet6 ifdisabled up
|
||||
|
||||
# First thread: create and destroy the lagg
|
||||
while true; do
|
||||
ifconfig $LAGG destroy 2>&1
|
||||
ifconfig $LAGG create 2>/dev/null
|
||||
ifconfig $LAGG inet6 ifdisabled
|
||||
ifconfig $LAGG up laggport $TAP0 laggport $TAP1 laggport $TAP2\
|
||||
laggport $TAP3 ${ADDR}/${MASK} 2>/dev/null
|
||||
echo -n . >> creator_count.txt
|
||||
done &
|
||||
CREATOR_PID=$!
|
||||
|
||||
# Second thread: Query the lagg's status
|
||||
while true; do
|
||||
ifconfig -am 2> /dev/null > /dev/null
|
||||
echo -n . >> querier_count.txt
|
||||
done &
|
||||
QUERIER_PID=$!
|
||||
|
||||
sleep 60
|
||||
kill $CREATOR_PID
|
||||
kill $QUERIER_PID
|
||||
echo "Created the lagg `stat -f %z creator_count.txt` times."
|
||||
echo "Queried its status `stat -f %z querier_count.txt` times"
|
||||
}
|
||||
status_stress_cleanup()
|
||||
{
|
||||
cleanup_tap_and_lagg
|
||||
}
|
||||
|
||||
atf_test_case create_destroy_stress cleanup
|
||||
create_destroy_stress_head()
|
||||
{
|
||||
atf_set "descr" "Simultaneously create and destroy a lagg"
|
||||
atf_set "require.user" "root"
|
||||
}
|
||||
create_destroy_stress_body()
|
||||
{
|
||||
local TAP0 TAP1 LAGG MAC
|
||||
|
||||
atf_skip "Skipping this test because it easily panics the machine"
|
||||
|
||||
TAP0=`get_tap`
|
||||
TAP1=`get_tap`
|
||||
TAP2=`get_tap`
|
||||
TAP3=`get_tap`
|
||||
LAGG=`get_lagg`
|
||||
|
||||
# Up the lagg's children
|
||||
ifconfig $TAP0 inet6 ifdisabled up
|
||||
ifconfig $TAP1 inet6 ifdisabled up
|
||||
ifconfig $TAP2 inet6 ifdisabled up
|
||||
ifconfig $TAP3 inet6 ifdisabled up
|
||||
|
||||
# First thread: create the lagg
|
||||
while true; do
|
||||
ifconfig $LAGG create 2>/dev/null && \
|
||||
echo -n . >> creator_count.txt
|
||||
done &
|
||||
CREATOR_PID=$!
|
||||
|
||||
# Second thread: destroy the lagg
|
||||
while true; do
|
||||
ifconfig $LAGG destroy 2>/dev/null && \
|
||||
echo -n . >> destroyer_count.txt
|
||||
done &
|
||||
DESTROYER_PID=$!
|
||||
|
||||
sleep 60
|
||||
kill $CREATOR_PID
|
||||
kill $DESTROYER_PID
|
||||
echo "Created the lagg `stat -f %z creator_count.txt` times."
|
||||
echo "Destroyed it `stat -f %z destroyer_count.txt` times."
|
||||
}
|
||||
create_destroy_stress_cleanup()
|
||||
{
|
||||
cleanup_tap_and_lagg
|
||||
}
|
||||
|
||||
# This test regresses a panic that is particular to LACP. If the child's link
|
||||
# state changes while the lagg is being destroyed, lacp_linkstate can
|
||||
# use-after-free. The problem is compounded by two factors:
|
||||
# 1) In SpectraBSD, downing the parent will also down the child
|
||||
# 2) The cxgbe driver will show the link state as "no carrier" as soon as you
|
||||
# down the interface.
|
||||
# TeamTrack: P2_30328
|
||||
atf_test_case lacp_linkstate_destroy_stress cleanup
|
||||
lacp_linkstate_destroy_stress_head()
|
||||
{
|
||||
atf_set "descr" "Simultaneously destroy an LACP lagg and change its childrens link states"
|
||||
atf_set "require.user" "root"
|
||||
}
|
||||
lacp_linkstate_destroy_stress_body()
|
||||
{
|
||||
local TAP0 TAP1 LAGG MAC SRCDIR
|
||||
|
||||
# Configure the lagg interface to use an RFC5737 nonrouteable addresses
|
||||
ADDR="192.0.2.2"
|
||||
MASK="24"
|
||||
# ifconfig takes about 10ms to run. To increase race coverage,
|
||||
# randomly delay the two commands relative to each other by 5ms either
|
||||
# way.
|
||||
MEAN_SLEEP_SECONDS=.005
|
||||
MAX_SLEEP_USECS=10000
|
||||
|
||||
TAP0=`get_tap`
|
||||
TAP1=`get_tap`
|
||||
LAGG=`get_lagg`
|
||||
|
||||
# Up the lagg's children
|
||||
ifconfig $TAP0 inet6 ifdisabled up
|
||||
ifconfig $TAP1 inet6 ifdisabled up
|
||||
|
||||
SRCDIR=$( atf_get_srcdir )
|
||||
while true; do
|
||||
ifconfig $LAGG inet6 ifdisabled
|
||||
# We must open the tap devices to change their link states
|
||||
cat /dev/$TAP0 > /dev/null &
|
||||
CAT0_PID=$!
|
||||
cat /dev/$TAP1 > /dev/null &
|
||||
CAT1_PID=$!
|
||||
ifconfig $LAGG up laggport $TAP0 laggport $TAP1 \
|
||||
${ADDR}/${MASK} 2> /dev/null &&
|
||||
{ sleep ${MEAN_SLEEP_SECONDS} && \
|
||||
kill $CAT0_PID &&
|
||||
kill $CAT1_PID &&
|
||||
echo -n . >> linkstate_count.txt ; } &
|
||||
{ ${SRCDIR}/randsleep ${MAX_SLEEP_USECS} && \
|
||||
ifconfig $LAGG destroy &&
|
||||
echo -n . >> destroy_count.txt ; } &
|
||||
wait
|
||||
ifconfig $LAGG create
|
||||
done &
|
||||
LOOP_PID=$!
|
||||
|
||||
sleep 60
|
||||
kill $LOOP_PID
|
||||
echo "Disconnected the children `stat -f %z linkstate_count.txt` times."
|
||||
echo "Destroyed the lagg `stat -f %z destroy_count.txt` times."
|
||||
}
|
||||
lacp_linkstate_destroy_stress_cleanup()
|
||||
{
|
||||
cleanup_tap_and_lagg
|
||||
}
|
||||
|
||||
atf_test_case up_destroy_stress cleanup
|
||||
up_destroy_stress_head()
|
||||
{
|
||||
atf_set "descr" "Simultaneously up and destroy a lagg"
|
||||
atf_set "require.user" "root"
|
||||
}
|
||||
up_destroy_stress_body()
|
||||
{
|
||||
local TAP0 TAP1 LAGG MAC SRCDIR
|
||||
|
||||
atf_skip "Skipping this test because it panics the machine fairly often"
|
||||
|
||||
# Configure the lagg interface to use an RFC5737 nonrouteable addresses
|
||||
ADDR="192.0.2.2"
|
||||
MASK="24"
|
||||
# ifconfig takes about 10ms to run. To increase race coverage,
|
||||
# randomly delay the two commands relative to each other by 5ms either
|
||||
# way.
|
||||
MEAN_SLEEP_SECONDS=.005
|
||||
MAX_SLEEP_USECS=10000
|
||||
|
||||
TAP0=`get_tap`
|
||||
TAP1=`get_tap`
|
||||
TAP2=`get_tap`
|
||||
TAP3=`get_tap`
|
||||
LAGG=`get_lagg`
|
||||
|
||||
# Up the lagg's children
|
||||
ifconfig $TAP0 inet6 ifdisabled up
|
||||
ifconfig $TAP1 inet6 ifdisabled up
|
||||
ifconfig $TAP2 inet6 ifdisabled up
|
||||
ifconfig $TAP3 inet6 ifdisabled up
|
||||
|
||||
SRCDIR=$( atf_get_srcdir )
|
||||
while true; do
|
||||
ifconfig $LAGG inet6 ifdisabled
|
||||
{ sleep ${MEAN_SLEEP_SECONDS} && \
|
||||
ifconfig $LAGG up laggport $TAP0 laggport $TAP1 \
|
||||
laggport $TAP2 laggport $TAP3 \
|
||||
${ADDR}/${MASK} 2> /dev/null &&
|
||||
echo -n . >> up_count.txt ; } &
|
||||
{ ${SRCDIR}/randsleep ${MAX_SLEEP_USECS} && \
|
||||
ifconfig $LAGG destroy &&
|
||||
echo -n . >> destroy_count.txt ; } &
|
||||
wait
|
||||
ifconfig $LAGG create
|
||||
done &
|
||||
LOOP_PID=$!
|
||||
|
||||
sleep 60
|
||||
kill $LOOP_PID
|
||||
echo "Upped the lagg `stat -f %z up_count.txt` times."
|
||||
echo "Destroyed it `stat -f %z destroy_count.txt` times."
|
||||
}
|
||||
up_destroy_stress_cleanup()
|
||||
{
|
||||
cleanup_tap_and_lagg
|
||||
}
|
||||
|
||||
atf_test_case set_ether cleanup
|
||||
set_ether_head()
|
||||
{
|
||||
atf_set "descr" "Set a lagg's ethernet address"
|
||||
atf_set "require.user" "root"
|
||||
}
|
||||
set_ether_body()
|
||||
{
|
||||
local TAP0 TAP1 LAGG MAC
|
||||
|
||||
# Configure the lagg interface to use an RFC5737 nonrouteable addresses
|
||||
ADDR="192.0.2.2"
|
||||
MASK="24"
|
||||
MAC="00:11:22:33:44:55"
|
||||
|
||||
TAP0=`get_tap`
|
||||
TAP1=`get_tap`
|
||||
LAGG=`get_lagg`
|
||||
|
||||
# Create the lagg
|
||||
ifconfig $TAP0 up
|
||||
ifconfig $TAP1 up
|
||||
atf_check ifconfig $LAGG up laggport $TAP0 laggport $TAP1 \
|
||||
${ADDR}/${MASK}
|
||||
|
||||
# Change the lagg's ethernet address
|
||||
atf_check ifconfig $LAGG ether ${MAC}
|
||||
|
||||
# Check that all members have the same MAC
|
||||
atf_check -o match:"ether ${MAC}" ifconfig $LAGG
|
||||
atf_check -o match:"ether ${MAC}" ifconfig $TAP0
|
||||
atf_check -o match:"ether ${MAC}" ifconfig $TAP1
|
||||
}
|
||||
set_ether_cleanup()
|
||||
{
|
||||
cleanup_tap_and_lagg
|
||||
}
|
||||
|
||||
atf_test_case updown cleanup
|
||||
updown_head()
|
||||
{
|
||||
atf_set "descr" "upping or downing a lagg ups or downs its children"
|
||||
atf_set "require.user" "root"
|
||||
}
|
||||
updown_body()
|
||||
{
|
||||
local TAP0 TAP1 LAGG MAC
|
||||
|
||||
atf_expect_fail "PR 226144 Upping a lagg interrface should automatically up its children"
|
||||
# Configure the lagg interface to use an RFC5737 nonrouteable addresses
|
||||
ADDR="192.0.2.2"
|
||||
MASK="24"
|
||||
MAC="00:11:22:33:44:55"
|
||||
|
||||
TAP0=`get_tap`
|
||||
TAP1=`get_tap`
|
||||
LAGG=`get_lagg`
|
||||
|
||||
# Create the lagg
|
||||
ifconfig $TAP0 up
|
||||
ifconfig $TAP1 up
|
||||
atf_check ifconfig $LAGG up laggport $TAP0 laggport $TAP1 \
|
||||
${ADDR}/${MASK}
|
||||
|
||||
# Down the lagg
|
||||
ifconfig $LAGG down
|
||||
atf_check -o not-match:"flags=.*\<UP\>" ifconfig $LAGG
|
||||
atf_check -o not-match:"flags=.*\<UP\>" ifconfig $TAP0
|
||||
atf_check -o not-match:"flags=.*\<UP\>" ifconfig $TAP1
|
||||
# Up the lagg again
|
||||
ifconfig $LAGG up
|
||||
atf_check -o match:"flags=.*\<UP\>" ifconfig $LAGG
|
||||
atf_check -o match:"flags=.*\<UP\>" ifconfig $TAP0
|
||||
atf_check -o match:"flags=.*\<UP\>" ifconfig $TAP1
|
||||
|
||||
# Check that no members have acquired an IPv6 link-local address by
|
||||
# virtue of being upped. IPv6 link-local addresses should never be
|
||||
# merged in any way to prevent scope violation.
|
||||
atf_check -o not-match:"inet6 fe80:" ifconfig $TAP0
|
||||
atf_check -o not-match:"inet6 fe80:" ifconfig $TAP1
|
||||
}
|
||||
updown_cleanup()
|
||||
{
|
||||
cleanup_tap_and_lagg
|
||||
}
|
||||
|
||||
# Check for lock-order reversals. For best results, this test should be run
|
||||
# last.
|
||||
atf_test_case witness
|
||||
witness_head()
|
||||
{
|
||||
atf_set "descr" "Check witness(4) for lock-order reversals in if_lagg"
|
||||
}
|
||||
witness_body()
|
||||
{
|
||||
if [ `sysctl -n debug.witness.watch` -ne 1 ]; then
|
||||
atf_skip "witness(4) is not enabled"
|
||||
fi
|
||||
if `sysctl -n debug.witness.badstacks | grep -q 'at lagg_'`; then
|
||||
sysctl debug.witness.badstacks
|
||||
atf_fail "Lock-order reversals involving if_lagg.c detected"
|
||||
fi
|
||||
}
|
||||
|
||||
atf_init_test_cases()
|
||||
{
|
||||
atf_add_test_case create
|
||||
atf_add_test_case create_destroy_stress
|
||||
atf_add_test_case lacp_linkstate_destroy_stress
|
||||
atf_add_test_case set_ether
|
||||
atf_add_test_case status_stress
|
||||
atf_add_test_case up_destroy_stress
|
||||
atf_add_test_case updown
|
||||
# For best results, keep the witness test last
|
||||
atf_add_test_case witness
|
||||
}
|
||||
|
||||
|
||||
# Creates a new tap(4) interface, registers it for cleanup, and echoes it
|
||||
get_tap()
|
||||
{
|
||||
local TAPN=0
|
||||
while ! ifconfig tap${TAPN} create > /dev/null 2>&1; do
|
||||
if [ "$TAPN" -ge 8 ]; then
|
||||
atf_skip "Could not create a tap(4) interface"
|
||||
else
|
||||
TAPN=$(($TAPN + 1))
|
||||
fi
|
||||
done
|
||||
local TAPD=tap${TAPN}
|
||||
# Record the TAP device so we can clean it up later
|
||||
echo ${TAPD} >> "devices_to_cleanup"
|
||||
echo ${TAPD}
|
||||
}
|
||||
|
||||
# Creates a new lagg(4) interface, registers it for cleanup, and echoes it
|
||||
get_lagg()
|
||||
{
|
||||
local LAGGN=0
|
||||
while ! ifconfig lagg${LAGGN} create > /dev/null 2>&1; do
|
||||
if [ "$LAGGN" -ge 8 ]; then
|
||||
atf_skip "Could not create a lagg(4) interface"
|
||||
else
|
||||
LAGGN=$(($LAGGN + 1))
|
||||
fi
|
||||
done
|
||||
local LAGGD=lagg${LAGGN}
|
||||
# Record the lagg device so we can clean it up later
|
||||
echo ${LAGGD} >> "devices_to_cleanup"
|
||||
echo ${LAGGD}
|
||||
}
|
||||
|
||||
cleanup_tap_and_lagg()
|
||||
{
|
||||
local DEV
|
||||
|
||||
for DEV in `cat "devices_to_cleanup"`; do
|
||||
ifconfig ${DEV} destroy
|
||||
done
|
||||
true
|
||||
}
|
||||
63
tests/sys/net/randsleep.c
Normal file
63
tests/sys/net/randsleep.c
Normal file
@ -0,0 +1,63 @@
|
||||
/*
|
||||
* Copyright (c) 2014 Spectra Logic Corporation
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions, and the following disclaimer,
|
||||
* without modification.
|
||||
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
|
||||
* substantially similar to the "NO WARRANTY" disclaimer below
|
||||
* ("Disclaimer") and any redistribution must be conditioned upon
|
||||
* including a substantially similar Disclaimer requirement for further
|
||||
* binary redistribution.
|
||||
*
|
||||
* NO WARRANTY
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
|
||||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
||||
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
|
||||
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGES.
|
||||
*
|
||||
* Authors: Alan Somers (Spectra Logic Corporation)
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#define RANDOM_MAX ((1<<31) - 1)
|
||||
|
||||
int main(int argc, char** argv){
|
||||
useconds_t max_usecs, usecs;
|
||||
double frac;
|
||||
|
||||
if (argc != 2) {
|
||||
printf("Usage: randsleep <max_microseconds>\n");
|
||||
exit(2);
|
||||
}
|
||||
|
||||
errno = 0;
|
||||
max_usecs = (useconds_t)strtol(argv[1], NULL, 0);
|
||||
if (errno != 0) {
|
||||
perror("strtol");
|
||||
exit(1);
|
||||
}
|
||||
srandomdev();
|
||||
frac = (double)random() / (double)RANDOM_MAX;
|
||||
usecs = (useconds_t)((double)max_usecs * frac);
|
||||
usleep(usecs);
|
||||
|
||||
return (0);
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user