common.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1992-2001, 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1990 Mentat Inc. */
#ifndef _INET_COMMON_H
#define _INET_COMMON_H
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* WARNING: This file contains implementation-specific constants, typedefs
* and macros which may change from release to release.
*/
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/inttypes.h>
#include <sys/sysmacros.h>
#define A_CNT(arr) (sizeof (arr) / sizeof (arr[0]))
#define A_END(arr) (&arr[A_CNT(arr)])
#define A_LAST(arr) (&arr[A_CNT(arr) - 1])
#define nilp(t) ((t *)0)
#define nil(t) ((t)0)
#define noop
typedef int (*pfi_t)();
typedef void (*pfv_t)();
#define BE32_EQL(a, b) (((uint8_t *)a)[0] == ((uint8_t *)b)[0] && \
((uint8_t *)a)[1] == ((uint8_t *)b)[1] && \
((uint8_t *)a)[2] == ((uint8_t *)b)[2] && \
((uint8_t *)a)[3] == ((uint8_t *)b)[3])
#define BE16_EQL(a, b) (((uint8_t *)a)[0] == ((uint8_t *)b)[0] && \
((uint8_t *)a)[1] == ((uint8_t *)b)[1])
#define BE16_TO_U16(a) ((((uint16_t)((uint8_t *)a)[0] << 8) | \
((uint16_t)((uint8_t *)a)[1])) & 0xFFFF)
#define BE32_TO_U32(a) ((((uint32_t)((uint8_t *)a)[0]) << 24) | \
(((uint32_t)((uint8_t *)a)[1]) << 16) | \
(((uint32_t)((uint8_t *)a)[2]) << 8) | \
((uint32_t)((uint8_t *)a)[3]))
#define U16_TO_BE16(u, a) ((((uint8_t *)a)[0] = (uint8_t)((u) >> 8)), \
(((uint8_t *)a)[1] = (uint8_t)(u)))
#define U32_TO_BE32(u, a) ((((uint8_t *)a)[0] = (uint8_t)((u) >> 24)), \
(((uint8_t *)a)[1] = (uint8_t)((u) >> 16)), \
(((uint8_t *)a)[2] = (uint8_t)((u) >> 8)), \
(((uint8_t *)a)[3] = (uint8_t)(u)))
/*
* Local Environment Definition, this may and should override the
* the default definitions above where the local environment differs.
*/
#include <inet/led.h>
#include <sys/isa_defs.h>
#ifdef _BIG_ENDIAN
#define ABE32_TO_U32(p) (*((uint32_t *)p))
#define ABE16_TO_U16(p) (*((uint16_t *)p))
#define U16_TO_ABE16(u, p) (*((uint16_t *)p) = (u))
#define U32_TO_ABE16(u, p) U16_TO_ABE16(u, p)
#define U32_TO_ABE32(u, p) (*((uint32_t *)p) = (u))
#else
#define ABE16_TO_U16(p) BE16_TO_U16(p)
#define ABE32_TO_U32(p) BE32_TO_U32(p)
#define U16_TO_ABE16(u, p) U16_TO_BE16(u, p)
#define U32_TO_ABE16(u, p) U16_TO_ABE16(u, p)
#define U32_TO_ABE32(u, p) U32_TO_BE32(u, p)
#endif
#define INET_MIN_DEV 2 /* minimum minor device number */
#define INET_MAXMINOR MAXMIN /* maximum device minor number */
#ifdef _KERNEL
extern void inet_init(void);
extern void inet_destroy(void);
extern void *inet_minor_create(char *, dev_t, int);
extern void inet_minor_destroy(void *);
extern dev_t inet_minor_alloc(void *);
extern void inet_minor_free(void *, dev_t);
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _INET_COMMON_H */