1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0) 2 * 3 * Copyright 2013-2016 Freescale Semiconductor Inc. 4 * Copyright 2016 NXP 5 * 6 */ 7 8 #ifndef __RTA_COMPAT_H__ 9 #define __RTA_COMPAT_H__ 10 11 #include <stdint.h> 12 #include <errno.h> 13 14 #ifdef RTE_EXEC_ENV_LINUX 15 #include <string.h> 16 #include <stdlib.h> 17 #include <stdio.h> 18 #include <stdbool.h> 19 20 #include <rte_byteorder.h> 21 #include <rte_common.h> 22 23 #ifndef __BYTE_ORDER__ 24 #error "Undefined endianness" 25 #endif 26 27 #else /* !RTE_EXEC_ENV_LINUX */ 28 #error Environment not supported! 29 #endif 30 31 #ifndef __always_inline 32 #define __always_inline __rte_always_inline 33 #endif 34 35 #ifndef __always_unused 36 #define __always_unused __rte_unused 37 #endif 38 39 #ifndef __maybe_unused 40 #define __maybe_unused __rte_unused 41 #endif 42 43 #if defined(SUPPRESS_PRINTS) 44 #define pr_msg(l, fmt, ...) do { } while (0) 45 #else 46 #define pr_msg(l, fmt, ...) \ 47 RTE_LOG(l, PMD, "%s(): " fmt "\n", __func__, ##__VA_ARGS__) 48 #endif 49 50 #if !defined(pr_debug) 51 #if defined(RTA_DEBUG) 52 #define pr_debug(fmt, ...) pr_msg(DEBUG, fmt, ##__VA_ARGS__) 53 #else 54 #define pr_debug(fmt, ...) do { } while (0) 55 #endif 56 #endif /* pr_debug */ 57 58 #if !defined(pr_err) 59 #define pr_err(fmt, ...) pr_msg(ERR, fmt, ##__VA_ARGS__) 60 #endif /* pr_err */ 61 62 #if !defined(pr_warn) 63 #define pr_warn(fmt, ...) pr_msg(WARNING, fmt, ##__VA_ARGS__) 64 #endif /* pr_warn */ 65 66 /** 67 * ARRAY_SIZE - returns the number of elements in an array 68 * @x: array 69 */ 70 #ifndef ARRAY_SIZE 71 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 72 #endif 73 74 #ifndef ALIGN 75 #define ALIGN(x, a) (((x) + ((__typeof__(x))(a) - 1)) & \ 76 ~((__typeof__(x))(a) - 1)) 77 #endif 78 79 #ifndef BIT 80 #define BIT(nr) (1UL << (nr)) 81 #endif 82 83 #ifndef upper_32_bits 84 /** 85 * upper_32_bits - return bits 32-63 of a number 86 * @n: the number we're accessing 87 */ 88 #define upper_32_bits(n) ((uint32_t)(((n) >> 16) >> 16)) 89 #endif 90 91 #ifndef lower_32_bits 92 /** 93 * lower_32_bits - return bits 0-31 of a number 94 * @n: the number we're accessing 95 */ 96 #define lower_32_bits(n) ((uint32_t)(n)) 97 #endif 98 99 /* Use Linux naming convention */ 100 #if defined(RTE_EXEC_ENV_LINUX) || defined(__GLIBC__) 101 #define swab16(x) rte_bswap16(x) 102 #define swab32(x) rte_bswap32(x) 103 #define swab64(x) rte_bswap64(x) 104 /* Define cpu_to_be32 macro if not defined in the build environment */ 105 #if !defined(cpu_to_be32) 106 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 107 #define cpu_to_be32(x) (x) 108 #else 109 #define cpu_to_be32(x) swab32(x) 110 #endif 111 #endif 112 /* Define cpu_to_le32 macro if not defined in the build environment */ 113 #if !defined(cpu_to_le32) 114 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 115 #define cpu_to_le32(x) swab32(x) 116 #else 117 #define cpu_to_le32(x) (x) 118 #endif 119 #endif 120 #endif 121 122 #endif /* __RTA_COMPAT_H__ */ 123