xref: /onnv-gate/usr/src/uts/common/inet/nd.h (revision 1676:37f4a3e2bd99)
10Sstevel@tonic-gate /*
20Sstevel@tonic-gate  * CDDL HEADER START
30Sstevel@tonic-gate  *
40Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*1676Sjpk  * Common Development and Distribution License (the "License").
6*1676Sjpk  * You may not use this file except in compliance with the License.
70Sstevel@tonic-gate  *
80Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
90Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
100Sstevel@tonic-gate  * See the License for the specific language governing permissions
110Sstevel@tonic-gate  * and limitations under the License.
120Sstevel@tonic-gate  *
130Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
140Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
150Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
160Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
170Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
180Sstevel@tonic-gate  *
190Sstevel@tonic-gate  * CDDL HEADER END
200Sstevel@tonic-gate  */
210Sstevel@tonic-gate /*
22*1676Sjpk  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
230Sstevel@tonic-gate  * Use is subject to license terms.
240Sstevel@tonic-gate  */
250Sstevel@tonic-gate /* Copyright (c) 1990 Mentat Inc. */
260Sstevel@tonic-gate 
270Sstevel@tonic-gate #ifndef _INET_ND_H
280Sstevel@tonic-gate #define	_INET_ND_H
290Sstevel@tonic-gate 
300Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
310Sstevel@tonic-gate 
320Sstevel@tonic-gate #include <sys/types.h>
33*1676Sjpk #include <inet/common.h>
34*1676Sjpk #include <inet/led.h>
350Sstevel@tonic-gate 
360Sstevel@tonic-gate #ifdef	__cplusplus
370Sstevel@tonic-gate extern "C" {
380Sstevel@tonic-gate #endif
390Sstevel@tonic-gate 
400Sstevel@tonic-gate #define	ND_BASE		('N' << 8)	/* base */
410Sstevel@tonic-gate #define	ND_GET		(ND_BASE + 0)	/* Get a value */
420Sstevel@tonic-gate #define	ND_SET		(ND_BASE + 1)	/* Set a value */
430Sstevel@tonic-gate 
440Sstevel@tonic-gate #ifdef	_KERNEL
450Sstevel@tonic-gate /* ND callback function prototypes */
460Sstevel@tonic-gate typedef	int (*ndgetf_t)(queue_t *, MBLKP, caddr_t, cred_t *);
470Sstevel@tonic-gate typedef	int (*ndsetf_t)(queue_t *, MBLKP, char *, caddr_t, cred_t *);
480Sstevel@tonic-gate 
490Sstevel@tonic-gate /* Named dispatch table entry */
500Sstevel@tonic-gate typedef struct  nde_s {
510Sstevel@tonic-gate 	char    *nde_name;
520Sstevel@tonic-gate 	pfi_t	nde_get_pfi;
530Sstevel@tonic-gate 	pfi_t	nde_set_pfi;
540Sstevel@tonic-gate 	caddr_t nde_data;
550Sstevel@tonic-gate } NDE;
560Sstevel@tonic-gate 
570Sstevel@tonic-gate /* Name dispatch table */
580Sstevel@tonic-gate typedef struct  nd_s {
590Sstevel@tonic-gate 	int	nd_free_count;	/* number of unused nd table entries */
600Sstevel@tonic-gate 	int	nd_size;	/* size (in bytes) of current table */
610Sstevel@tonic-gate 	NDE	*nd_tbl;	/* pointer to table in heap */
620Sstevel@tonic-gate } ND;
630Sstevel@tonic-gate 
640Sstevel@tonic-gate #define	NDE_ALLOC_COUNT 32
650Sstevel@tonic-gate #define	NDE_ALLOC_SIZE  (sizeof (NDE) * NDE_ALLOC_COUNT)
660Sstevel@tonic-gate 
670Sstevel@tonic-gate /* 64K STREAM limit - the max ndd info header. */
680Sstevel@tonic-gate #define	ND_MAX_BUF_LEN	65303
690Sstevel@tonic-gate 
700Sstevel@tonic-gate /*
710Sstevel@tonic-gate  * See uts/common/inet/nd.c for comments on how to use these routines.
720Sstevel@tonic-gate  */
730Sstevel@tonic-gate extern boolean_t	nd_load(caddr_t *, char *, ndgetf_t, ndsetf_t, caddr_t);
740Sstevel@tonic-gate extern void		nd_unload(caddr_t *, char *);
750Sstevel@tonic-gate extern void		nd_free(caddr_t *);
760Sstevel@tonic-gate extern int		nd_getset(queue_t *, caddr_t, MBLKP);
770Sstevel@tonic-gate 
780Sstevel@tonic-gate /*
790Sstevel@tonic-gate  * Canned nd_get and nd_set routines for use with nd_load().
800Sstevel@tonic-gate  */
810Sstevel@tonic-gate extern int	nd_get_default(queue_t *, MBLKP, caddr_t, cred_t *);
820Sstevel@tonic-gate extern int	nd_get_long(queue_t *, MBLKP, caddr_t, cred_t *);
830Sstevel@tonic-gate extern int	nd_get_names(queue_t *, MBLKP, caddr_t, cred_t *);
840Sstevel@tonic-gate extern int	nd_set_default(queue_t *, MBLKP, char *, caddr_t, cred_t *);
850Sstevel@tonic-gate extern int	nd_set_long(queue_t *, MBLKP, char *, caddr_t, cred_t *);
860Sstevel@tonic-gate 
870Sstevel@tonic-gate #endif	/* _KERNEL */
880Sstevel@tonic-gate 
890Sstevel@tonic-gate #ifdef	__cplusplus
900Sstevel@tonic-gate }
910Sstevel@tonic-gate #endif
920Sstevel@tonic-gate 
930Sstevel@tonic-gate #endif	/* _INET_ND_H */
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