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

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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>
This commit is contained in:
Paolo Abeni 2024-07-27 11:04:01 +02:00 committed by David S. Miller
parent 4b317e0eb2
commit b5e2fb832f
1 changed files with 29 additions and 0 deletions
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29
tools/testing/selftests/net/mptcp/mptcp_join.sh
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@ -3526,6 +3526,35 @@ endpoint_tests()
chk_mptcp_info subflows 1 subflows 1
mptcp_lib_kill_wait $tests_pid
fi
# remove and re-add
if reset "delete re-add signal" &&
mptcp_lib_kallsyms_has "subflow_rebuild_header$"; 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
test_linkfail=4 speed=20 \
run_tests $ns1 $ns2 10.0.1.1 &
local tests_pid=$!
wait_mpj $ns2
pm_nl_check_endpoint "creation" \
$ns1 10.0.2.1 id 1 flags signal
chk_subflow_nr "before delete" 2
chk_mptcp_info subflows 1 subflows 1
pm_nl_del_endpoint $ns1 1 10.0.2.1
sleep 0.5
chk_subflow_nr "after delete" 1
chk_mptcp_info subflows 0 subflows 0
pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
wait_mpj $ns2
chk_subflow_nr "after re-add" 2
chk_mptcp_info subflows 1 subflows 1
mptcp_lib_kill_wait $tests_pid
fi
}
# [$1: error message]