app/testpmd: more help

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

diff --git a/app/test-pmd/parameters.c b/app/test-pmd/parameters.c
index a541f20..685922a 100644 (file)
--- a/app/test-pmd/parameters.c
+++ b/app/test-pmd/parameters.c
@@ -4,32 +4,31 @@
  *   Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
  *   All rights reserved.
  * 
- *   Redistribution and use in source and binary forms, with or without 
- *   modification, are permitted provided that the following conditions 
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
  *   are met:
  * 
- *     * Redistributions of source code must retain the above copyright 
+ *     * Redistributions of source code must retain the above copyright
  *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright 
- *       notice, this list of conditions and the following disclaimer in 
- *       the documentation and/or other materials provided with the 
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
  *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its 
- *       contributors may be used to endorse or promote products derived 
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
  *       from this software without specific prior written permission.
  * 
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
  */
 
 #include <errno.h>
@@ -113,7 +112,7 @@ usage(char* progname)
               "specify the socket on which the TX/RX rings for "
               "the port will be allocated "
               "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
-       printf(" --socket-num=N: set socket from which all memory is allocated "
+       printf("  --socket-num=N: set socket from which all memory is allocated "
               "in NUMA mode.\n");
        printf("  --mbuf-size=N: set the data size of mbuf to N bytes.\n");
        printf("  --total-num-mbufs=N: set the number of mbufs to be allocated "
@@ -179,6 +178,8 @@ usage(char* progname)
        printf("  --rx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
               "rx queues statistics counters mapping "
               "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
+       printf("  --no-flush-rx: Don't flush RX streams before forwarding."
+              " Used mainly with PCAP drivers.\n");
 }
 
 static int
@@ -514,6 +515,7 @@ launch_args_parse(int argc, char** argv)
                { "rxfreet",                    1, 0, 0 },
                { "tx-queue-stats-mapping",     1, 0, 0 },
                { "rx-queue-stats-mapping",     1, 0, 0 },
+               { "no-flush-rx",        0, 0, 0 },
                { 0, 0, 0, 0 },
        };
 
@@ -934,6 +936,9 @@ launch_args_parse(int argc, char** argv)
                                                 "invalid RX queue statistics mapping config entered\n");
                                }
                        }
+                       if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
+                               no_flush_rx = 1;
+
                        break;
                case 'h':
                        usage(argv[0]);