This patch added a new function chk_fclose_nr() to check the numbers
of the MP_FASTCLOSE sending and receiving mibs.

Signed-off-by: Geliang Tang <geliang.tang@suse.com>
---
 .../testing/selftests/net/mptcp/mptcp_join.sh | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index b48b11714817..f71494b87d5e 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -834,6 +834,38 @@ chk_infi_nr()
 	[ "${dump_stats}" = 1 ] && dump_stats
 }
 
+chk_fclose_nr()
+{
+	local fclose_tx=$1
+	local fclose_rx=$2
+	local count
+	local dump_stats
+
+	printf "%-${nr_blank}s %s" " " "ctx"
+	count=`ip netns exec $ns2 nstat -as | grep MPTcpExtMPFastcloseTx | awk '{print $2}'`
+	[ -z "$count" ] && count=0
+	if [ "$count" != "$fclose_tx" ]; then
+		echo "[fail] got $count MP_FASTCLOSE[s] TX expected $fclose_tx"
+		ret=1
+		dump_stats=1
+	else
+		echo -n "[ ok ]"
+	fi
+
+	echo -n " - fclzrx"
+	count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPFastcloseRx | awk '{print $2}'`
+	[ -z "$count" ] && count=0
+	if [ "$count" != "$fclose_rx" ]; then
+		echo "[fail] got $count MP_FASTCLOSE[s] RX expected $fclose_rx"
+		ret=1
+		dump_stats=1
+	else
+		echo "[ ok ]"
+	fi
+
+	[ "${dump_stats}" = 1 ] && dump_stats
+}
+
 chk_join_nr()
 {
 	local msg="$1"
-- 
2.34.1