lwip - Moved dropped packets into debug condition

Printing out dropped packets caused significantly more overhead in the
parallel tests due to increased noise on the network. This noise would
push the tests past their provided timeouts.

Author: geky

features/FEATURE_LWIP/TESTS/mbedmicro-net/tcp_packet_pressure_parallel/main.cpp

@@ -204,7 +204,7 @@ PressureTest *pressure_tests[MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_THREADS];
 
 
 int main() {
-    GREENTEA_SETUP(60, "tcp_echo");
+    GREENTEA_SETUP(2*60, "tcp_echo");
 
     uint8_t *buffer;
     size_t buffer_size;

features/FEATURE_LWIP/TESTS/mbedmicro-net/udp_packet_pressure/main.cpp

@@ -182,6 +182,9 @@ int main() {
                     // last good sequence and cut buffer in half
                     if (window > MBED_CFG_UDP_CLIENT_PACKET_PRESSURE_MIN) {
                         window /= 2;
+                    }
+
+                    if (MBED_CFG_UDP_CLIENT_PACKET_PRESSURE_DEBUG) {
                         printf("UDP: Not sent (%d), window = %d\r\n", td, window);
                     }
                 }
@@ -215,6 +218,9 @@ int main() {
                     known_time = timer.read_ms();
                     if (window > MBED_CFG_UDP_CLIENT_PACKET_PRESSURE_MIN) {
                         window /= 2;
+                    }
+
+                    if (MBED_CFG_UDP_CLIENT_PACKET_PRESSURE_DEBUG) {
                         printf("UDP: Dropped, window = %d\r\n", window);
                     }
                 } else if (rd == NSAPI_ERROR_WOULD_BLOCK) {

features/FEATURE_LWIP/TESTS/mbedmicro-net/udp_packet_pressure_parallel/main.cpp

@@ -182,9 +182,12 @@ class PressureTest {
                         if (window > MBED_CFG_UDP_CLIENT_PACKET_PRESSURE_MIN) {
                             window /= 2;
                         }
-                        iomutex.lock();
-                        printf("UDP: Not sent (%d), window = %d\r\n", td, window);
-                        iomutex.unlock();
+
+                        if (MBED_CFG_UDP_CLIENT_PACKET_PRESSURE_DEBUG) {
+                            iomutex.lock();
+                            printf("UDP: Not sent (%d), window = %d\r\n", td, window);
+                            iomutex.unlock();
+                        }
                     }
                 }
 
@@ -219,9 +222,12 @@ class PressureTest {
                         if (window > MBED_CFG_UDP_CLIENT_PACKET_PRESSURE_MIN) {
                             window /= 2;
                         }
-                        iomutex.lock();
-                        printf("UDP: Dropped, window = %d\r\n", window);
-                        iomutex.unlock();
+
+                        if (MBED_CFG_UDP_CLIENT_PACKET_PRESSURE_DEBUG) {
+                            iomutex.lock();
+                            printf("UDP: Dropped, window = %d\r\n", window);
+                            iomutex.unlock();
+                        }
                     } else if (rd == NSAPI_ERROR_WOULD_BLOCK) {
                         break;
                     }
@@ -238,7 +244,7 @@ PressureTest *pressure_tests[MBED_CFG_UDP_CLIENT_PACKET_PRESSURE_THREADS];
 
 
 int main() {
-    GREENTEA_SETUP(60, "udp_echo");
+    GREENTEA_SETUP(2*60, "udp_echo");
 
     uint8_t *buffer;
     size_t buffer_size;