Adding immediate transmission option
diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index ebc2830..e73047c 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -1616,6 +1616,16 @@
/**
+ * \def MBEDTLS_IMMEDIATE_TRANSMISSION
+ *
+ * Force stack to immediately transmit messages.
+ *
+ * Requires: MBEDTLS_SSL_PROTO_DTLS
+ */
+#define MBEDTLS_IMMEDIATE_TRANSMISSION
+
+
+/**
* \def MBEDTLS_SSL_HW_RECORD_ACCEL
*
* Enable hooking functions in SSL module for hardware acceleration of