nd.h revision 45916cd2fec6e79bca5dee0421bd39e3c2910d1e
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1990 Mentat Inc. */
#ifndef _INET_ND_H
#define _INET_ND_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <inet/common.h>
#include <inet/led.h>
#ifdef __cplusplus
extern "C" {
#endif
#define ND_BASE ('N' << 8) /* base */
#define ND_GET (ND_BASE + 0) /* Get a value */
#define ND_SET (ND_BASE + 1) /* Set a value */
#ifdef _KERNEL
/* ND callback function prototypes */
typedef int (*ndgetf_t)(queue_t *, MBLKP, caddr_t, cred_t *);
typedef int (*ndsetf_t)(queue_t *, MBLKP, char *, caddr_t, cred_t *);
/* Named dispatch table entry */
typedef struct nde_s {
char *nde_name;
pfi_t nde_get_pfi;
pfi_t nde_set_pfi;
caddr_t nde_data;
} NDE;
/* Name dispatch table */
typedef struct nd_s {
int nd_free_count; /* number of unused nd table entries */
int nd_size; /* size (in bytes) of current table */
NDE *nd_tbl; /* pointer to table in heap */
} ND;
#define NDE_ALLOC_COUNT 32
#define NDE_ALLOC_SIZE (sizeof (NDE) * NDE_ALLOC_COUNT)
/* 64K STREAM limit - the max ndd info header. */
#define ND_MAX_BUF_LEN 65303
/*
* See uts/common/inet/nd.c for comments on how to use these routines.
*/
extern boolean_t nd_load(caddr_t *, char *, ndgetf_t, ndsetf_t, caddr_t);
extern void nd_unload(caddr_t *, char *);
extern void nd_free(caddr_t *);
extern int nd_getset(queue_t *, caddr_t, MBLKP);
/*
* Canned nd_get and nd_set routines for use with nd_load().
*/
extern int nd_get_default(queue_t *, MBLKP, caddr_t, cred_t *);
extern int nd_get_long(queue_t *, MBLKP, caddr_t, cred_t *);
extern int nd_get_names(queue_t *, MBLKP, caddr_t, cred_t *);
extern int nd_set_default(queue_t *, MBLKP, char *, caddr_t, cred_t *);
extern int nd_set_long(queue_t *, MBLKP, char *, caddr_t, cred_t *);
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _INET_ND_H */