This patch adds a selftest to create id 0 subflow. Pass id 0 to the
helper userspace_pm_add_sf() to create id 0 subflow. chk_mptcp_info
shows one subflow but chk_all_subflows shows two subflows in each
namespace.
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
---
.../testing/selftests/net/mptcp/mptcp_join.sh | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index 9c3ce3a14804..d2c458676068 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -3477,6 +3477,25 @@ userspace_tests()
wait $tests_pid
fi
+ # userspace pm create id 0 subflow
+ if reset_with_events "userspace pm create id 0 subflow" &&
+ continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
+ set_userspace_pm $ns2
+ pm_nl_set_limits $ns1 0 1
+ speed=10 \
+ run_tests $ns1 $ns2 10.0.1.1 &
+ local tests_pid=$!
+ wait_mpj $ns2
+ chk_mptcp_info subflows 0 subflows 0
+ chk_all_subflows 1 1
+ userspace_pm_add_sf $ns2 10.0.3.2 0
+ chk_join_nr 1 1 1
+ chk_mptcp_info subflows 1 subflows 1
+ chk_all_subflows 2 2
+ kill_events_pids
+ wait $tests_pid
+ fi
+
# userspace pm remove id 0 subflow
if reset_with_events "userspace pm remove id 0 subflow" &&
continue_if mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
--
2.35.3