app/testpmd: fix error message when closing port twice

When close one port twice, testpmd will give out wrong messagse.

testpmd> port stop  0
Stopping ports...
Checking link statuses...
Port 0 Link Up - speed 0 Mbps - full-duplex
Port 1 Link Up - speed 0 Mbps - full-duplex
Done
testpmd> port close 0
Closing ports...
Done
testpmd> port close 0
Closing ports...
Port 0 is now not stopped
Done
testpmd>

Signed-off-by: Michael Qiu <michael.qiu@intel.com>

diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index 4bcece6..386bf84 100644 (file)
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -1473,6 +1473,12 @@ close_port(portid_t pid)
                        continue;
 
                port = &ports[pi];
+               if (rte_atomic16_cmpset(&(port->port_status),
+                       RTE_PORT_CLOSED, RTE_PORT_CLOSED) == 1) {
+                       printf("Port %d is already closed\n", pi);
+                       continue;
+               }
+
                if (rte_atomic16_cmpset(&(port->port_status),
                        RTE_PORT_STOPPED, RTE_PORT_HANDLING) == 0) {
                        printf("Port %d is now not stopped\n", pi);