Commit b5e2fb83 authored by Paolo Abeni's avatar Paolo Abeni Committed by David S. Miller
Browse files

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



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

Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
Reviewed-by: default avatarMatthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: default avatarMatthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4b317e0e

tools/testing/selftests/net/mptcp/mptcp_join.sh

+29 −0
Original line number Diff line number Diff line
@@ -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]