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From: Geliang Tang <geliang@kernel.org>
To: mptcp@lists.linux.dev
Cc: Geliang Tang <tanggeliang@kylinos.cn>
Subject: [PATCH mptcp-next v10 12/12] selftests: mptcp: add path_manager
sysctl tests
Date: Thu, 6 Mar 2025 19:01:47 +0800
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<d011c0b9ad15e4bc293fcb46b5864515b8239553.1741258415.git.tanggeliang@kylinos.cn>
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From: Geliang Tang <tanggeliang@kylinos.cn>
This patch checks if the newly added net.mptcp.path_manager is mapped
successfully from or to the old net.mptcp.pm_type. And add a new helper
set_path_manager() to set the newly added net.mptcp.path_manager.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
fix
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
---
.../selftests/net/mptcp/userspace_pm.sh | 58 ++++++++++++++++++-
1 file changed, 55 insertions(+), 3 deletions(-)
diff --git a/tools/testing/selftests/net/mptcp/userspace_pm.sh b/tools/test=
ing/selftests/net/mptcp/userspace_pm.sh
index 3651f73451cf..35ba4edc0fa2 100755
--- a/tools/testing/selftests/net/mptcp/userspace_pm.sh
+++ b/tools/testing/selftests/net/mptcp/userspace_pm.sh
@@ -118,9 +118,61 @@ trap cleanup EXIT
=20
# Create and configure network namespaces for testing
mptcp_lib_ns_init ns1 ns2
-for i in "$ns1" "$ns2" ;do
- ip netns exec "$i" sysctl -q net.mptcp.pm_type=3D1
-done
+
+set_path_manager()
+{
+ local ns=3D$1
+ local pm=3D$2
+
+ if ! ip netns exec ${ns} sysctl net.mptcp.available_path_managers |
+ grep -wq "${pm}"; then
+ test_fail "path manager ${pm} not found"
+ return 1
+ fi
+ ip netns exec ${ns} sysctl -q net.mptcp.path_manager=3D"${pm}"
+}
+
+if [ -f /proc/sys/net/mptcp/path_manager ]; then
+ ip netns exec "$ns1" sysctl -q net.mptcp.pm_type=3D0
+ pm_name=3D"$(ip netns exec "$ns1" sysctl -n net.mptcp.path_manager)"
+ if [ "${pm_name}" !=3D "kernel" ]; then
+ test_fail "unexpected pm_name: ${pm_name}"
+ mptcp_lib_result_print_all_tap
+ exit ${KSFT_FAIL}
+ fi
+
+ ip netns exec "$ns1" sysctl -q net.mptcp.pm_type=3D1
+ pm_name=3D"$(ip netns exec "$ns1" sysctl -n net.mptcp.path_manager)"
+ if [ "${pm_name}" !=3D "userspace" ]; then
+ test_fail "unexpected pm_name: ${pm_name}"
+ mptcp_lib_result_print_all_tap
+ exit ${KSFT_FAIL}
+ fi
+
+ set_path_manager "$ns1" "kernel"
+ pm_type=3D"$(ip netns exec "$ns1" sysctl -n net.mptcp.pm_type)"
+ if [ "${pm_type}" !=3D "0" ]; then
+ test_fail "unexpected pm_type: ${pm_type}"
+ mptcp_lib_result_print_all_tap
+ exit ${KSFT_FAIL}
+ fi
+
+ set_path_manager "$ns1" "userspace"
+ pm_type=3D"$(ip netns exec "$ns1" sysctl -n net.mptcp.pm_type)"
+ if [ "${pm_type}" !=3D "1" ]; then
+ test_fail "unexpected pm_type: ${pm_type}"
+ mptcp_lib_result_print_all_tap
+ exit ${KSFT_FAIL}
+ fi
+
+ set_path_manager "$ns2" "userspace"
+ print_test "check path_manager and pm_type sysctl mapping"
+ test_pass
+else
+ for i in "$ns1" "$ns2"; do
+ ip netns exec "$i" sysctl -q net.mptcp.pm_type=3D1
+ done
+fi
=20
# "$ns1" ns2
# ns1eth2 ns2eth1
--=20
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