Add packet priority option to usage help display

packet-exchange/src/client.c

@@ -78,7 +78,7 @@ struct timespec measures_start;
 struct timespec measures_end;
 
 static void help(char *argv[]) {
-  printf("Usage: %s -f IF  [-abethgv] [-d BUF_LEN] [-i USEC] [-l N] [-p PRIO] [-r USEC]\n\n", argv[0]);
+  printf("Usage: %s -f IF  [-abethgv] [-d BUF_LEN] [-i USEC] [-l N] [-p PRIO] [-q PACKET_PRIO] [-r USEC]\n\n", argv[0]);
   printf("       -a                    Run the real time thread on CPU1\n");
   printf("       -b                    Measure RTT\n");
   printf("       -d BUF_LEN            Set the length of tx buffer\n");
@@ -89,6 +89,7 @@ static void help(char *argv[]) {
   printf("       -i USEC               Wake up the real time thread every USEC microseconds (Default: 10ms)\n");
   printf("       -l N                  Wake up the real time thread N times (Default: 0)\n");
   printf("       -p PRIO               Run the real time thread at priority PRIO\n");
+  printf("       -q PACKET_PRIO        Send packets with PACKET_PRIO priority\n");
   printf("       -r USEC               Refresh the non real time main thread every USEC microseconds (Default: 50ms)\n");
   printf("       -t                    Enable timestamps\n");
   printf("       -v                    Verbose\n");