1eda14cbcSMatt Macy /* 2eda14cbcSMatt Macy * CDDL HEADER START 3eda14cbcSMatt Macy * 4eda14cbcSMatt Macy * The contents of this file are subject to the terms of the 5eda14cbcSMatt Macy * Common Development and Distribution License (the "License"). 6eda14cbcSMatt Macy * You may not use this file except in compliance with the License. 7eda14cbcSMatt Macy * 8eda14cbcSMatt Macy * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9271171e0SMartin Matuska * or https://opensource.org/licenses/CDDL-1.0. 10eda14cbcSMatt Macy * See the License for the specific language governing permissions 11eda14cbcSMatt Macy * and limitations under the License. 12eda14cbcSMatt Macy * 13eda14cbcSMatt Macy * When distributing Covered Code, include this CDDL HEADER in each 14eda14cbcSMatt Macy * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15eda14cbcSMatt Macy * If applicable, add the following below this CDDL HEADER, with the 16eda14cbcSMatt Macy * fields enclosed by brackets "[]" replaced with your own identifying 17eda14cbcSMatt Macy * information: Portions Copyright [yyyy] [name of copyright owner] 18eda14cbcSMatt Macy * 19eda14cbcSMatt Macy * CDDL HEADER END 20eda14cbcSMatt Macy * 21eda14cbcSMatt Macy * $FreeBSD$ 22eda14cbcSMatt Macy */ 23eda14cbcSMatt Macy 24eda14cbcSMatt Macy /* 25eda14cbcSMatt Macy * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 26eda14cbcSMatt Macy * Use is subject to license terms. 27eda14cbcSMatt Macy */ 28eda14cbcSMatt Macy 29eda14cbcSMatt Macy /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 30eda14cbcSMatt Macy /* All Rights Reserved */ 31eda14cbcSMatt Macy 32eda14cbcSMatt Macy /* 33eda14cbcSMatt Macy * University Copyright- Copyright (c) 1982, 1986, 1988 34eda14cbcSMatt Macy * The Regents of the University of California 35eda14cbcSMatt Macy * All Rights Reserved 36eda14cbcSMatt Macy * 37eda14cbcSMatt Macy * University Acknowledgment- Portions of this document are derived from 38eda14cbcSMatt Macy * software developed by the University of California, Berkeley, and its 39eda14cbcSMatt Macy * contributors. 40eda14cbcSMatt Macy */ 41eda14cbcSMatt Macy 42eda14cbcSMatt Macy #ifndef _OPENSOLARIS_SYS_BYTEORDER_H_ 43eda14cbcSMatt Macy #define _OPENSOLARIS_SYS_BYTEORDER_H_ 44eda14cbcSMatt Macy 45eda14cbcSMatt Macy #include <sys/endian.h> 46eda14cbcSMatt Macy 47eda14cbcSMatt Macy /* 48eda14cbcSMatt Macy * Macros to reverse byte order 49eda14cbcSMatt Macy */ 50eda14cbcSMatt Macy #define BSWAP_8(x) ((x) & 0xff) 51eda14cbcSMatt Macy #define BSWAP_16(x) ((BSWAP_8(x) << 8) | BSWAP_8((x) >> 8)) 52eda14cbcSMatt Macy #define BSWAP_32(x) ((BSWAP_16(x) << 16) | BSWAP_16((x) >> 16)) 53eda14cbcSMatt Macy #define BSWAP_64(x) ((BSWAP_32(x) << 32) | BSWAP_32((x) >> 32)) 54eda14cbcSMatt Macy 55eda14cbcSMatt Macy #define BMASK_8(x) ((x) & 0xff) 56eda14cbcSMatt Macy #define BMASK_16(x) ((x) & 0xffff) 57eda14cbcSMatt Macy #define BMASK_32(x) ((x) & 0xffffffff) 58eda14cbcSMatt Macy #define BMASK_64(x) (x) 59eda14cbcSMatt Macy 60eda14cbcSMatt Macy /* 61eda14cbcSMatt Macy * Macros to convert from a specific byte order to/from native byte order 62eda14cbcSMatt Macy */ 63eda14cbcSMatt Macy #if BYTE_ORDER == _BIG_ENDIAN 64eda14cbcSMatt Macy #define BE_8(x) BMASK_8(x) 65eda14cbcSMatt Macy #define BE_16(x) BMASK_16(x) 66eda14cbcSMatt Macy #define BE_32(x) BMASK_32(x) 67eda14cbcSMatt Macy #define BE_64(x) BMASK_64(x) 68eda14cbcSMatt Macy #define LE_8(x) BSWAP_8(x) 69eda14cbcSMatt Macy #define LE_16(x) BSWAP_16(x) 70eda14cbcSMatt Macy #define LE_32(x) BSWAP_32(x) 71eda14cbcSMatt Macy #define LE_64(x) BSWAP_64(x) 72eda14cbcSMatt Macy #else 73eda14cbcSMatt Macy #define LE_8(x) BMASK_8(x) 74eda14cbcSMatt Macy #define LE_16(x) BMASK_16(x) 75eda14cbcSMatt Macy #define LE_32(x) BMASK_32(x) 76eda14cbcSMatt Macy #define LE_64(x) BMASK_64(x) 77eda14cbcSMatt Macy #define BE_8(x) BSWAP_8(x) 78eda14cbcSMatt Macy #define BE_16(x) BSWAP_16(x) 79eda14cbcSMatt Macy #define BE_32(x) BSWAP_32(x) 80eda14cbcSMatt Macy #define BE_64(x) BSWAP_64(x) 81eda14cbcSMatt Macy #endif 82eda14cbcSMatt Macy 832fec3ae8SWarner Losh #if !defined(_STANDALONE) 84eda14cbcSMatt Macy #if BYTE_ORDER == _BIG_ENDIAN 85eda14cbcSMatt Macy #define htonll(x) BMASK_64(x) 86eda14cbcSMatt Macy #define ntohll(x) BMASK_64(x) 872fec3ae8SWarner Losh #else /* BYTE_ORDER == _LITTLE_ENDIAN */ 88eda14cbcSMatt Macy #ifndef __LP64__ 89eda14cbcSMatt Macy static __inline__ uint64_t 90eda14cbcSMatt Macy htonll(uint64_t n) 91eda14cbcSMatt Macy { 92eda14cbcSMatt Macy return ((((uint64_t)htonl(n)) << 32) + htonl(n >> 32)); 93eda14cbcSMatt Macy } 94eda14cbcSMatt Macy 95eda14cbcSMatt Macy static __inline__ uint64_t 96eda14cbcSMatt Macy ntohll(uint64_t n) 97eda14cbcSMatt Macy { 98eda14cbcSMatt Macy return ((((uint64_t)ntohl(n)) << 32) + ntohl(n >> 32)); 99eda14cbcSMatt Macy } 1002fec3ae8SWarner Losh #else /* !__LP64__ */ 101eda14cbcSMatt Macy #define htonll(x) BSWAP_64(x) 102eda14cbcSMatt Macy #define ntohll(x) BSWAP_64(x) 1032fec3ae8SWarner Losh #endif /* __LP64__ */ 1042fec3ae8SWarner Losh #endif /* BYTE_ORDER */ 1052fec3ae8SWarner Losh #endif /* _STANDALONE */ 106eda14cbcSMatt Macy 107eda14cbcSMatt Macy #define BE_IN32(xa) htonl(*((uint32_t *)(void *)(xa))) 108eda14cbcSMatt Macy 109eda14cbcSMatt Macy #endif /* _OPENSOLARIS_SYS_BYTEORDER_H_ */ 110