Removed check for NPDU Priority on MS/TP outgoing matching messages since the stack currently doesn't support passing the NDPU Priority through, and every outgoing message is NORMAL. This was causing Reply-Postponed, which is not a good thing for high priority messages. Thank you, Ettore Colicchio!

bacnet-stack/ports/linux/dlmstp.c

@@ -482,6 +482,9 @@ static bool dlmstp_compare_data_expecting_reply(
 #endif
         return false;
     }
+#if 0
+    /* the NDPU priority doesn't get passed through the stack, and
+       all outgoing messages have NORMAL priority */
     if (request.npdu_data.priority != reply.npdu_data.priority) {
 #if PRINT_ENABLED
         fprintf(stderr,
@@ -489,6 +492,7 @@ static bool dlmstp_compare_data_expecting_reply(
 #endif
         return false;
     }
+#endif
     if (!bacnet_address_same(&request.address, &reply.address)) {
 #if PRINT_ENABLED
         fprintf(stderr,

bacnet-stack/ports/linux/dlmstp_linux.c

@@ -534,6 +534,9 @@ bool dlmstp_compare_data_expecting_reply(
 #endif
         return false;
     }
+#if 0
+    /* the NDPU priority doesn't get passed through the stack, and
+       all outgoing messages have NORMAL priority */
     if (request.npdu_data.priority != reply.npdu_data.priority) {
 #if PRINT_ENABLED
         fprintf(stderr,
@@ -541,6 +544,7 @@ bool dlmstp_compare_data_expecting_reply(
 #endif
         return false;
     }
+#endif
     if (!bacnet_address_same(&request.address, &reply.address)) {
 #if PRINT_ENABLED
         fprintf(stderr,