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); 96