selftests: mptcp: use minus values for removing address numbers

This patch changes the removing addresses numbers to minus values, left
the plus values for the adding addresses numbers.
Signed-off-by: NGeliang Tang <geliangtang@gmail.com>
Signed-off-by: NMat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: NJakub Kicinski <kuba@kernel.org>

tools/testing/selftests/net/mptcp/mptcp_join.sh

@@ -209,8 +209,8 @@ do_transfer()
 	srv_proto="$4"
 	connect_addr="$5"
 	test_link_fail="$6"
-	rm_nr_ns1="$7"
-	rm_nr_ns2="$8"
+	addr_nr_ns1="$7"
+	addr_nr_ns2="$8"
 	speed="$9"
 	bkup="${10}"
 
@@ -264,7 +264,8 @@ do_transfer()
 	fi
 	cpid=$!
 
-	if [ $rm_nr_ns1 -gt 0 ]; then
+	if [ $addr_nr_ns1 -lt 0 ]; then
+		let rm_nr_ns1=-addr_nr_ns1
 		if [ $rm_nr_ns1 -lt 8 ]; then
 			counter=1
 			sleep 1
@@ -281,7 +282,8 @@ do_transfer()
 		fi
 	fi
 
-	if [ $rm_nr_ns2 -gt 0 ]; then
+	if [ $addr_nr_ns2 -lt 0 ]; then
+		let rm_nr_ns2=-addr_nr_ns2
 		if [ $rm_nr_ns2 -lt 8 ]; then
 			counter=1
 			sleep 1
@@ -368,8 +370,8 @@ run_tests()
 	connector_ns="$2"
 	connect_addr="$3"
 	test_linkfail="${4:-0}"
-	rm_nr_ns1="${5:-0}"
-	rm_nr_ns2="${6:-0}"
+	addr_nr_ns1="${5:-0}"
+	addr_nr_ns2="${6:-0}"
 	speed="${7:-fast}"
 	bkup="${8:-""}"
 	lret=0
@@ -386,7 +388,7 @@ run_tests()
 	fi
 
 	do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr} \
-		${test_linkfail} ${rm_nr_ns1} ${rm_nr_ns2} ${speed} ${bkup}
+		${test_linkfail} ${addr_nr_ns1} ${addr_nr_ns2} ${speed} ${bkup}
 	lret=$?
 
 	if [ "$test_linkfail" -eq 1 ];then
@@ -677,7 +679,7 @@ reset
 ip netns exec $ns1 ./pm_nl_ctl limits 0 1
 ip netns exec $ns2 ./pm_nl_ctl limits 0 1
 ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
-run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow
+run_tests $ns1 $ns2 10.0.1.1 0 0 -1 slow
 chk_join_nr "remove single subflow" 1 1 1
 chk_rm_nr 1 1
 
@@ -687,7 +689,7 @@ ip netns exec $ns1 ./pm_nl_ctl limits 0 2
 ip netns exec $ns2 ./pm_nl_ctl limits 0 2
 ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow
 ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
-run_tests $ns1 $ns2 10.0.1.1 0 0 2 slow
+run_tests $ns1 $ns2 10.0.1.1 0 0 -2 slow
 chk_join_nr "remove multiple subflows" 2 2 2
 chk_rm_nr 2 2
 
@@ -696,7 +698,7 @@ reset
 ip netns exec $ns1 ./pm_nl_ctl limits 0 1
 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
 ip netns exec $ns2 ./pm_nl_ctl limits 1 1
-run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow
+run_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow
 chk_join_nr "remove single address" 1 1 1
 chk_add_nr 1 1
 chk_rm_nr 0 0
@@ -707,7 +709,7 @@ ip netns exec $ns1 ./pm_nl_ctl limits 0 2
 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
 ip netns exec $ns2 ./pm_nl_ctl limits 1 2
 ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
-run_tests $ns1 $ns2 10.0.1.1 0 1 1 slow
+run_tests $ns1 $ns2 10.0.1.1 0 -1 -1 slow
 chk_join_nr "remove subflow and signal" 2 2 2
 chk_add_nr 1 1
 chk_rm_nr 1 1
@@ -719,7 +721,7 @@ ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
 ip netns exec $ns2 ./pm_nl_ctl limits 1 3
 ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
 ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags subflow
-run_tests $ns1 $ns2 10.0.1.1 0 1 2 slow
+run_tests $ns1 $ns2 10.0.1.1 0 -1 -2 slow
 chk_join_nr "remove subflows and signal" 3 3 3
 chk_add_nr 1 1
 chk_rm_nr 2 2
@@ -731,7 +733,7 @@ ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
 ip netns exec $ns2 ./pm_nl_ctl limits 1 3
 ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
 ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags subflow
-run_tests $ns1 $ns2 10.0.1.1 0 8 8 slow
+run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow
 chk_join_nr "flush subflows and signal" 3 3 3
 chk_add_nr 1 1
 chk_rm_nr 2 2
@@ -774,7 +776,7 @@ reset
 ip netns exec $ns1 ./pm_nl_ctl limits 0 1
 ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal
 ip netns exec $ns2 ./pm_nl_ctl limits 1 1
-run_tests $ns1 $ns2 dead:beef:1::1 0 1 0 slow
+run_tests $ns1 $ns2 dead:beef:1::1 0 -1 0 slow
 chk_join_nr "remove single address IPv6" 1 1 1
 chk_add_nr 1 1
 chk_rm_nr 0 0
@@ -785,7 +787,7 @@ ip netns exec $ns1 ./pm_nl_ctl limits 0 2
 ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal
 ip netns exec $ns2 ./pm_nl_ctl limits 1 2
 ip netns exec $ns2 ./pm_nl_ctl add dead:beef:3::2 flags subflow
-run_tests $ns1 $ns2 dead:beef:1::1 0 1 1 slow
+run_tests $ns1 $ns2 dead:beef:1::1 0 -1 -1 slow
 chk_join_nr "remove subflow and signal IPv6" 2 2 2
 chk_add_nr 1 1
 chk_rm_nr 1 1