app/testpmd: support unidirectional configuration

[dpdk.git] / app / test-pmd / parameters.c

diff --git a/app/test-pmd/parameters.c b/app/test-pmd/parameters.c
index 4b421c8..55572eb 100644 (file)
--- a/app/test-pmd/parameters.c
+++ b/app/test-pmd/parameters.c
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -810,22 +810,26 @@ launch_args_parse(int argc, char** argv)
                                rss_hf = ETH_RSS_UDP;
                        if (!strcmp(lgopts[opt_idx].name, "rxq")) {
                                n = atoi(optarg);
-                               if (n >= 1 && n <= (int) MAX_QUEUE_ID)
+                               if (n >= 0 && n <= (int) MAX_QUEUE_ID)
                                        nb_rxq = (queueid_t) n;
                                else
                                        rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
-                                                 " >= 1 && <= %d\n", n,
+                                                 " >= 0 && <= %d\n", n,
                                                  (int) MAX_QUEUE_ID);
                        }
                        if (!strcmp(lgopts[opt_idx].name, "txq")) {
                                n = atoi(optarg);
-                               if (n >= 1 && n <= (int) MAX_QUEUE_ID)
+                               if (n >= 0 && n <= (int) MAX_QUEUE_ID)
                                        nb_txq = (queueid_t) n;
                                else
                                        rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
-                                                 " >= 1 && <= %d\n", n,
+                                                 " >= 0 && <= %d\n", n,
                                                  (int) MAX_QUEUE_ID);
                        }
+                       if (!nb_rxq && !nb_txq) {
+                               rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
+                                               "be non-zero\n");
+                       }
                        if (!strcmp(lgopts[opt_idx].name, "burst")) {
                                n = atoi(optarg);
                                if ((n >= 1) && (n <= MAX_PKT_BURST))