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selftests: mptcp: add explicit test case for remove/readd

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From: Paolo Abeni <pabeni@redhat.com>

commit b5e2fb832f48bc01d937a053e0550a1465a2f05d upstream.

Delete and re-create a signal endpoint and ensure that the PM
actually deletes and re-create the subflow.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: e06959e9eebd ("selftests: mptcp: join: test for flush/re-add endpoints")
[ No conflicts, but adapt the test to the helpers in this version:
  - run_tests has been modified a few times to reduce the number of
    positional parameters
  - no pm_nl_check_endpoint helper
  - no chk_mptcp_info helper
  - chk_subflow_nr taking an extra parameter
  - kill_tests_wait instead of mptcp_lib_kill_wait ]
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Matthieu Baerts (NGI0)
2024-09-04 13:06:12 +02:00
committed by Greg Kroah-Hartman
parent f258df1b8e
commit 66864ca5c7
1 changed files with 23 additions and 0 deletions
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23
tools/testing/selftests/net/mptcp/mptcp_join.sh
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@@ -3239,6 +3239,29 @@ userspace_tests()
chk_join_nr 1 1 1
chk_rm_nr 1 1
fi
# remove and re-add
if reset "delete re-add signal" &&
mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
pm_nl_set_limits $ns1 1 1
pm_nl_set_limits $ns2 1 1
pm_nl_add_endpoint $ns1 10.0.2.1 id 1 flags signal
run_tests $ns1 $ns2 10.0.1.1 4 0 0 speed_20 2>/dev/null &
local tests_pid=$!
wait_mpj $ns2
chk_subflow_nr needtitle "before delete" 2
pm_nl_del_endpoint $ns1 1 10.0.2.1
sleep 0.5
chk_subflow_nr "" "after delete" 1
pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
wait_mpj $ns2
chk_subflow_nr "" "after re-add" 2
kill_tests_wait
fi
}
endpoint_tests()