Commit e274f715 authored by Paolo Abeni's avatar Paolo Abeni Committed by Jakub Kicinski
Browse files

selftests: mptcp: add subflow limits test-cases 



Add and delete a bunch of endpoints and verify the
respect of configured limits.

This covers the codepath introduced by the previous patch.

Fixes: 69c6ce7b ("selftests: mptcp: add implicit endpoint test case")
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
Signed-off-by: default avatarMat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 95d68651

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

+46 −2
Original line number Diff line number Diff line
@@ -1444,6 +1444,33 @@ chk_prio_nr() 
	[ "${dump_stats}" = 1 ] && dump_stats

}



chk_subflow_nr()

{

	local need_title="$1"

	local msg="$2"

	local subflow_nr=$3

	local cnt1

	local cnt2



	if [ -n "${need_title}" ]; then

		printf "%03u %-36s %s" "${TEST_COUNT}" "${TEST_NAME}" "${msg}"

	else

		printf "%-${nr_blank}s %s" " " "${msg}"

	fi



	cnt1=$(ss -N $ns1 -tOni | grep -c token)

	cnt2=$(ss -N $ns2 -tOni | grep -c token)

	if [ "$cnt1" != "$subflow_nr" -o "$cnt2" != "$subflow_nr" ]; then

		echo "[fail] got $cnt1:$cnt2 subflows expected $subflow_nr"

		fail_test

		dump_stats=1

	else

		echo "[ ok ]"

	fi



	[ "${dump_stats}" = 1 ] && ( ss -N $ns1 -tOni ; ss -N $ns1 -tOni | grep token; ip -n $ns1 mptcp endpoint )

}



chk_link_usage()

{

	local ns=$1
@@ -2556,7 +2583,7 @@ fastclose_tests() 
	fi

}



implicit_tests()

endpoint_tests()

{

	# userspace pm type prevents add_addr

	if reset "implicit EP"; then
@@ -2578,6 +2605,23 @@ implicit_tests() 
			$ns2 10.0.2.2 id 1 flags signal

		wait

	fi



	if reset "delete and re-add"; then

		pm_nl_set_limits $ns1 1 1

		pm_nl_set_limits $ns2 1 1

		pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow

		run_tests $ns1 $ns2 10.0.1.1 4 0 0 slow &



		wait_mpj $ns2

		pm_nl_del_endpoint $ns2 2 10.0.2.2

		sleep 0.5

		chk_subflow_nr needtitle "after delete" 1



		pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow

		wait_mpj $ns2

		chk_subflow_nr "" "after re-add" 2

		wait

	fi

}



# [$1: error message]
@@ -2624,7 +2668,7 @@ all_tests_sorted=( 
	d@deny_join_id0_tests

	m@fullmesh_tests

	z@fastclose_tests

	I@implicit_tests

	I@endpoint_tests

)



all_tests_args=""