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Date: Wed, 27 Apr 2022 15:50:02 -0700
From: Mat Martineau <mathew.j.martineau@...ux.intel.com>
To: netdev@...r.kernel.org
Cc: Mat Martineau <mathew.j.martineau@...ux.intel.com>,
davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
matthieu.baerts@...sares.net, mptcp@...ts.linux.dev,
Geliang Tang <geliang.tang@...e.com>
Subject: [PATCH net-next 6/6] 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: Geliang Tang <geliang.tang@...e.com>
Acked-by: Paolo Abeni <pabeni@...hat.com>
Co-developed-by: Matthieu Baerts <matthieu.baerts@...sares.net>
Signed-off-by: Matthieu Baerts <matthieu.baerts@...sares.net>
Signed-off-by: Mat Martineau <mathew.j.martineau@...ux.intel.com>
---
.../testing/selftests/net/mptcp/mptcp_join.sh | 66 +++++++++++++++++++
1 file changed, 66 insertions(+)
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index e5c8fc2816fb..b27854f976f7 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -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@...lmesh_tests
z@...tclose_tests
F@...l_tests
+ u@...rspace_tests
I@...licit_tests
)
--
2.36.0
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