netdev - [PATCH net-next 4/6] selftests: mptcp: userspace pm subflow tests

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Message-Id: <20220708171413.327112-5-mathew.j.martineau@linux.intel.com>
Date:   Fri,  8 Jul 2022 10:14:11 -0700
From:   Mat Martineau <mathew.j.martineau@...ux.intel.com>
To:     netdev@...r.kernel.org
Cc:     Geliang Tang <geliang.tang@...e.com>, davem@...emloft.net,
        kuba@...nel.org, pabeni@...hat.com, edumazet@...gle.com,
        matthieu.baerts@...sares.net, mptcp@...ts.linux.dev,
        Mat Martineau <mathew.j.martineau@...ux.intel.com>
Subject: [PATCH net-next 4/6] selftests: mptcp: userspace pm subflow tests

From: Geliang Tang <geliang.tang@...e.com>

This patch adds userspace pm subflow tests support for mptcp_join.sh
script. Add userspace pm create subflow and destroy test cases in
userspace_tests().

Reviewed-by: Mat Martineau <mathew.j.martineau@...ux.intel.com>
Signed-off-by: Geliang Tang <geliang.tang@...e.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@...ux.intel.com>
---
 .../testing/selftests/net/mptcp/mptcp_join.sh | 39 ++++++++++++++++++-
 1 file changed, 37 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index d889e7507cd9..55efe2aafb84 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -663,6 +663,8 @@ do_transfer()
 	local userspace_pm=0
 	local evts_ns1
 	local evts_ns1_pid
+	local evts_ns2
+	local evts_ns2_pid
 
 	:> "$cout"
 	:> "$sout"
@@ -708,13 +710,20 @@ do_transfer()
 		# disconnect
 		extra_args="$extra_args -I ${addr_nr_ns2:10}"
 		addr_nr_ns2=0
+	elif [[ "${addr_nr_ns2}" = "userspace_"* ]]; then
+		userspace_pm=1
+		addr_nr_ns2=${addr_nr_ns2:10}
 	fi
 
 	if [ $userspace_pm -eq 1 ]; then
 		evts_ns1=$(mktemp)
+		evts_ns2=$(mktemp)
 		:> "$evts_ns1"
+		:> "$evts_ns2"
 		ip netns exec ${listener_ns} ./pm_nl_ctl events >> "$evts_ns1" 2>&1 &
 		evts_ns1_pid=$!
+		ip netns exec ${connector_ns} ./pm_nl_ctl events >> "$evts_ns2" 2>&1 &
+		evts_ns2_pid=$!
 	fi
 
 	local local_addr
@@ -836,6 +845,8 @@ do_transfer()
 	if [ $addr_nr_ns2 -gt 0 ]; then
 		local add_nr_ns2=${addr_nr_ns2}
 		local counter=3
+		local id=20
+		local tk da dp sp
 		while [ $add_nr_ns2 -gt 0 ]; do
 			local addr
 			if is_v6 "${connect_addr}"; then
@@ -843,9 +854,23 @@ do_transfer()
 			else
 				addr="10.0.$counter.2"
 			fi
-			pm_nl_add_endpoint $ns2 $addr flags $flags
+			if [ $userspace_pm -eq 0 ]; then
+				pm_nl_add_endpoint $ns2 $addr flags $flags
+			else
+				tk=$(sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2")
+				da=$(sed -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evts_ns2")
+				dp=$(sed -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns2")
+				ip netns exec ${connector_ns} ./pm_nl_ctl csf lip $addr lid $id \
+									rip $da rport $dp token $tk
+				sleep 1
+				sp=$(grep "type:10" "$evts_ns2" |
+				     sed -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q')
+				ip netns exec ${connector_ns} ./pm_nl_ctl dsf lip $addr lport $sp \
+									rip $da rport $dp token $tk
+			fi
 			counter=$((counter + 1))
 			add_nr_ns2=$((add_nr_ns2 - 1))
+			id=$((id + 1))
 		done
 	elif [ $addr_nr_ns2 -lt 0 ]; then
 		local rm_nr_ns2=$((-addr_nr_ns2))
@@ -924,7 +949,8 @@ do_transfer()
 
 	if [ $userspace_pm -eq 1 ]; then
 		kill_wait $evts_ns1_pid
-		rm -rf $evts_ns1
+		kill_wait $evts_ns2_pid
+		rm -rf $evts_ns1 $evts_ns2
 	fi
 
 	NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
@@ -2857,6 +2883,15 @@ userspace_tests()
 		chk_add_nr 1 1
 		chk_rm_nr 1 1 invert
 	fi
+
+	# userspace pm create destroy subflow
+	if reset "userspace pm create destroy subflow"; then
+		set_userspace_pm $ns2
+		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
+	fi
 }
 
 endpoint_tests()
-- 
2.37.0