Commit 5ac1d2d6 authored by Mat Martineau's avatar Mat Martineau Committed by Jakub Kicinski
Browse files

selftests: mptcp: Add tests for userspace PM type 



These tests ensure that the in-kernel path manager is bypassed when
the userspace path manager is configured. Kernel code is still
responsible for ADD_ADDR echo, so also make sure that's working.

Tested-by: default avatarGeliang Tang <geliang.tang@suse.com>
Acked-by: default avatarPaolo Abeni <pabeni@redhat.com>
Co-developed-by: default avatarMatthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: default avatarMatthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: default avatarMat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 6bb63ccc

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

+66 −0
Original line number Diff line number Diff line
@@ -70,6 +70,7 @@ init_partial() 
		ip netns add $netns || exit $ksft_skip

		ip -net $netns link set lo up

		ip netns exec $netns sysctl -q net.mptcp.enabled=1

		ip netns exec $netns sysctl -q net.mptcp.pm_type=0

		ip netns exec $netns sysctl -q net.ipv4.conf.all.rp_filter=0

		ip netns exec $netns sysctl -q net.ipv4.conf.default.rp_filter=0

		if [ $checksum -eq 1 ]; then
@@ -1611,6 +1612,13 @@ wait_attempt_fail() 
	return 1

}



set_userspace_pm()

{

	local ns=$1



	ip netns exec $ns sysctl -q net.mptcp.pm_type=1

}



subflows_tests()

{

	if reset "no JOIN"; then
@@ -2698,6 +2706,63 @@ fail_tests() 
	fi

}



userspace_tests()

{

	# userspace pm type prevents add_addr

	if reset "userspace pm type prevents add_addr"; then

		set_userspace_pm $ns1

		pm_nl_set_limits $ns1 0 2

		pm_nl_set_limits $ns2 0 2

		pm_nl_add_endpoint $ns1 10.0.2.1 flags signal

		run_tests $ns1 $ns2 10.0.1.1

		chk_join_nr 0 0 0

		chk_add_nr 0 0

	fi



	# userspace pm type rejects join

	if reset "userspace pm type rejects join"; then

		set_userspace_pm $ns1

		pm_nl_set_limits $ns1 1 1

		pm_nl_set_limits $ns2 1 1

		pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow

		run_tests $ns1 $ns2 10.0.1.1

		chk_join_nr 1 1 0

	fi



	# userspace pm type does not send join

	if reset "userspace pm type does not send join"; then

		set_userspace_pm $ns2

		pm_nl_set_limits $ns1 1 1

		pm_nl_set_limits $ns2 1 1

		pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow

		run_tests $ns1 $ns2 10.0.1.1

		chk_join_nr 0 0 0

	fi



	# userspace pm type prevents mp_prio

	if reset "userspace pm type prevents mp_prio"; then

		set_userspace_pm $ns1

		pm_nl_set_limits $ns1 1 1

		pm_nl_set_limits $ns2 1 1

		pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow

		run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup

		chk_join_nr 1 1 0

		chk_prio_nr 0 0

	fi



	# userspace pm type prevents rm_addr

	if reset "userspace pm type prevents rm_addr"; then

		set_userspace_pm $ns1

		set_userspace_pm $ns2

		pm_nl_set_limits $ns1 0 1

		pm_nl_set_limits $ns2 0 1

		pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow

		run_tests $ns1 $ns2 10.0.1.1 0 0 -1 slow

		chk_join_nr 0 0 0

		chk_rm_nr 0 0

	fi

}



implicit_tests()

{

	# userspace pm type prevents add_addr
@@ -2767,6 +2832,7 @@ all_tests_sorted=( 
	m@fullmesh_tests

	z@fastclose_tests

	F@fail_tests

	u@userspace_tests

	I@implicit_tests

)