add OPENTHREAD_CONFIG_LOG_PKT_DUMP (#1109)

src/core/common/logging.cpp

@@ -50,6 +50,7 @@
 extern "C" {
 #endif
 
+#if OPENTHREAD_CONFIG_LOG_PKT_DUMP == 1
 /**
  * This static method outputs a line of the memory dump.
  *
@@ -148,6 +149,9 @@ void otDump(otLogLevel aLogLevel, otLogRegion aLogRegion, const char *aId, const
 
     otLogDump("%s", buf);
 }
+#else
+void otDump(otLogLevel, otLogRegion, const char *, const void *, const size_t) {}
+#endif
 
 #ifdef OPENTHREAD_CONFIG_LOG_PREPEND_LEVEL
 const char *otLogLevelToString(otLogLevel aLevel)

src/core/openthread-core-default-config.h

@@ -389,6 +389,16 @@
 #define OPENTHREAD_CONFIG_LOG_MEM                               1
 #endif  // OPENTHREAD_CONFIG_LOG_MEM
 
+/**
+ * @def OPENTHREAD_CONFIG_LOG_PKT_DUMP
+ *
+ * Define to enable log content of packets.
+ *
+ */
+#ifndef OPENTHREAD_CONFIG_LOG_PKT_DUMP
+#define OPENTHREAD_CONFIG_LOG_PKT_DUMP                          1
+#endif  // OPENTHREAD_CONFIG_LOG_PKT_DUMP
+
 /**
  * @def OPENTHREAD_CONFIG_LOG_NETDIAG
  *