selftests: mptcp: update userspace pm subflow tests

To align with what is done by the in-kernel PM, update userspace pm
subflow selftests, by sending the a remove_addrs command together
before the remove_subflows command. This will get a RM_ADDR in
chk_rm_nr().

Fixes: d9a4594edabf ("mptcp: netlink: Add MPTCP_PM_CMD_REMOVE")
Fixes: 5e986ec46874 ("selftests: mptcp: userspace pm subflow tests")
Link: https://github.com/multipath-tcp/mptcp_net-next/issues/379
Cc: stable@vger.kernel.org
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index 651740a..29f0c99 100755 (executable)
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -936,6 +936,7 @@ do_transfer()
                                sleep 1
                                sp=$(grep "type:10" "$evts_ns2" |
                                     sed -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q')
+                               ip netns exec ${connector_ns} ./pm_nl_ctl rem token $tk id $id
                                ip netns exec ${connector_ns} ./pm_nl_ctl dsf lip $addr lport $sp \
                                                                        rip $da rport $dp token $tk
                        fi
@@ -3150,7 +3151,7 @@ userspace_tests()
                pm_nl_set_limits $ns1 0 1
                run_tests $ns1 $ns2 10.0.1.1 0 0 userspace_1 slow
                chk_join_nr 1 1 1
-               chk_rm_nr 0 1
+               chk_rm_nr 1 1
                kill_events_pids
        fi
 }