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/*-
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* BSD LICENSE
*
* Copyright 2013-2016 Freescale Semiconductor Inc.
* Copyright (c) 2016 NXP.
*
* 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
* 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 distribution.
* * Neither the name of the above-listed copyright holders nor the
* names of any contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* GPL LICENSE SUMMARY
*
* ALTERNATIVELY, this software may be distributed under the terms of the
* GNU General Public License ("GPL") as published by the Free Software
* Foundation, either version 2 of that License or (at your option) any
* later version.
*
* 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 HOLDERS 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.
*/
#ifndef __RTA_COMPAT_H__
#define __RTA_COMPAT_H__
#include <stdint.h>
#include <errno.h>
#ifdef __GLIBC__
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdbool.h>
#include <rte_byteorder.h>
#ifndef __BYTE_ORDER__
#error "Undefined endianness"
#endif
#else
#error Environment not supported!
#endif
#ifndef __always_inline
#define __always_inline (inline __attribute__((always_inline)))
#endif
#ifndef __always_unused
#define __always_unused __attribute__((unused))
#endif
#ifndef __maybe_unused
#define __maybe_unused __attribute__((unused))
#endif
#if defined(__GLIBC__) && !defined(pr_debug)
#if !defined(SUPPRESS_PRINTS) && defined(RTA_DEBUG)
#define pr_debug(fmt, ...) \
RTE_LOG(DEBUG, PMD, "%s(): " fmt "\n", __func__, ##__VA_ARGS__)
#else
#define pr_debug(fmt, ...) do { } while (0)
#endif
#endif /* pr_debug */
#if defined(__GLIBC__) && !defined(pr_err)
#if !defined(SUPPRESS_PRINTS)
#define pr_err(fmt, ...) \
RTE_LOG(ERR, PMD, "%s(): " fmt "\n", __func__, ##__VA_ARGS__)
#else
#define pr_err(fmt, ...) do { } while (0)
#endif
#endif /* pr_err */
#if defined(__GLIBC__) && !defined(pr_warn)
#if !defined(SUPPRESS_PRINTS)
#define pr_warn(fmt, ...) \
RTE_LOG(WARNING, PMD, "%s(): " fmt "\n", __func__, ##__VA_ARGS__)
#else
#define pr_warn(fmt, ...) do { } while (0)
#endif
#endif /* pr_warn */
/**
* ARRAY_SIZE - returns the number of elements in an array
* @x: array
*/
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#endif
#ifndef ALIGN
#define ALIGN(x, a) (((x) + ((__typeof__(x))(a) - 1)) & \
~((__typeof__(x))(a) - 1))
#endif
#ifndef BIT
#define BIT(nr) (1UL << (nr))
#endif
#ifndef upper_32_bits
/**
* upper_32_bits - return bits 32-63 of a number
* @n: the number we're accessing
*/
#define upper_32_bits(n) ((uint32_t)(((n) >> 16) >> 16))
#endif
#ifndef lower_32_bits
/**
* lower_32_bits - return bits 0-31 of a number
* @n: the number we're accessing
*/
#define lower_32_bits(n) ((uint32_t)(n))
#endif
/* Use Linux naming convention */
#ifdef __GLIBC__
#define swab16(x) rte_bswap16(x)
#define swab32(x) rte_bswap32(x)
#define swab64(x) rte_bswap64(x)
/* Define cpu_to_be32 macro if not defined in the build environment */
#if !defined(cpu_to_be32)
#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define cpu_to_be32(x) (x)
#else
#define cpu_to_be32(x) swab32(x)
#endif
#endif
/* Define cpu_to_le32 macro if not defined in the build environment */
#if !defined(cpu_to_le32)
#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define cpu_to_le32(x) swab32(x)
#else
#define cpu_to_le32(x) (x)
#endif
#endif
#endif
#endif /* __RTA_COMPAT_H__ */
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