ceph/src/dpdk/app/test/test_byteorder.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <stdio.h>
  35 #include <stdint.h>
  36 #include <unistd.h>
  37 #include <inttypes.h>
  38
  39 #include <rte_byteorder.h>
  40
  41 #include "test.h"
  42
  43 static volatile uint16_t u16 = 0x1337;
  44 static volatile uint32_t u32 = 0xdeadbeefUL;
  45 static volatile uint64_t u64 = 0xdeadcafebabefaceULL;
  46
  47 /*
  48  * Byteorder functions
  49  * ===================
  50  *
  51  * - check that optimized byte swap functions are working for each
  52  *   size (16, 32, 64 bits)
  53  */
  54
  55 static int
  56 test_byteorder(void)
  57 {
  58         uint16_t res_u16;
  59         uint32_t res_u32;
  60         uint64_t res_u64;
  61
  62         res_u16 = rte_bswap16(u16);
  63         printf("%"PRIx16" -> %"PRIx16"\n", u16, res_u16);
  64         if (res_u16 != 0x3713)
  65                 return -1;
  66
  67         res_u32 = rte_bswap32(u32);
  68         printf("%"PRIx32" -> %"PRIx32"\n", u32, res_u32);
  69         if (res_u32 != 0xefbeaddeUL)
  70                 return -1;
  71
  72         res_u64 = rte_bswap64(u64);
  73         printf("%"PRIx64" -> %"PRIx64"\n", u64, res_u64);
  74         if (res_u64 != 0xcefabebafecaaddeULL)
  75                 return -1;
  76
  77         res_u16 = rte_bswap16(0x1337);
  78         printf("const %"PRIx16" -> %"PRIx16"\n", 0x1337, res_u16);
  79         if (res_u16 != 0x3713)
  80                 return -1;
  81
  82         res_u32 = rte_bswap32(0xdeadbeefUL);
  83         printf("const %"PRIx32" -> %"PRIx32"\n", (uint32_t) 0xdeadbeef, res_u32);
  84         if (res_u32 != 0xefbeaddeUL)
  85                 return -1;
  86
  87         res_u64 = rte_bswap64(0xdeadcafebabefaceULL);
  88         printf("const %"PRIx64" -> %"PRIx64"\n", (uint64_t) 0xdeadcafebabefaceULL, res_u64);
  89         if (res_u64 != 0xcefabebafecaaddeULL)
  90                 return -1;
  91
  92         return 0;
  93 }
  94
  95 REGISTER_TEST_COMMAND(byteorder_autotest, test_byteorder);