selftests: mptcp: add the MP_FASTCLOSE mibs check

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>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index 88740cfe49dddc3be771ff8370f4d84d86a578ee..10339a796325df8ae406cfe8ad501a93990688b3 100755 (executable)
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -792,6 +792,38 @@ chk_fail_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"