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7 * Copyright 2013-2016 Freescale Semiconductor Inc.
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41 #ifndef __RTA_COMPAT_H__
42 #define __RTA_COMPAT_H__
53 #include <rte_byteorder.h>
54 #include <rte_common.h>
56 #ifndef __BYTE_ORDER__
57 #error "Undefined endianness"
61 #error Environment not supported!
64 #ifndef __always_inline
65 #define __always_inline __rte_always_inline
68 #ifndef __always_unused
69 #define __always_unused __attribute__((unused))
72 #ifndef __maybe_unused
73 #define __maybe_unused __attribute__((unused))
76 #if defined(__GLIBC__) && !defined(pr_debug)
77 #if !defined(SUPPRESS_PRINTS) && defined(RTA_DEBUG)
78 #define pr_debug(fmt, ...) \
79 RTE_LOG(DEBUG, PMD, "%s(): " fmt "\n", __func__, ##__VA_ARGS__)
81 #define pr_debug(fmt, ...) do { } while (0)
85 #if defined(__GLIBC__) && !defined(pr_err)
86 #if !defined(SUPPRESS_PRINTS)
87 #define pr_err(fmt, ...) \
88 RTE_LOG(ERR, PMD, "%s(): " fmt "\n", __func__, ##__VA_ARGS__)
90 #define pr_err(fmt, ...) do { } while (0)
94 #if defined(__GLIBC__) && !defined(pr_warn)
95 #if !defined(SUPPRESS_PRINTS)
96 #define pr_warn(fmt, ...) \
97 RTE_LOG(WARNING, PMD, "%s(): " fmt "\n", __func__, ##__VA_ARGS__)
99 #define pr_warn(fmt, ...) do { } while (0)
104 * ARRAY_SIZE - returns the number of elements in an array
108 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
112 #define ALIGN(x, a) (((x) + ((__typeof__(x))(a) - 1)) & \
113 ~((__typeof__(x))(a) - 1))
117 #define BIT(nr) (1UL << (nr))
120 #ifndef upper_32_bits
122 * upper_32_bits - return bits 32-63 of a number
123 * @n: the number we're accessing
125 #define upper_32_bits(n) ((uint32_t)(((n) >> 16) >> 16))
128 #ifndef lower_32_bits
130 * lower_32_bits - return bits 0-31 of a number
131 * @n: the number we're accessing
133 #define lower_32_bits(n) ((uint32_t)(n))
136 /* Use Linux naming convention */
138 #define swab16(x) rte_bswap16(x)
139 #define swab32(x) rte_bswap32(x)
140 #define swab64(x) rte_bswap64(x)
141 /* Define cpu_to_be32 macro if not defined in the build environment */
142 #if !defined(cpu_to_be32)
143 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
144 #define cpu_to_be32(x) (x)
146 #define cpu_to_be32(x) swab32(x)
149 /* Define cpu_to_le32 macro if not defined in the build environment */
150 #if !defined(cpu_to_le32)
151 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
152 #define cpu_to_le32(x) swab32(x)
154 #define cpu_to_le32(x) (x)
159 #endif /* __RTA_COMPAT_H__ */