1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1992, 1997-2001, 2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 /* Copyright (c) 1990 Mentat Inc. */ 27 28 #ifndef _INET_ND_H 29 #define _INET_ND_H 30 31 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 #include <sys/types.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 #define ND_BASE ('N' << 8) /* base */ 40 #define ND_GET (ND_BASE + 0) /* Get a value */ 41 #define ND_SET (ND_BASE + 1) /* Set a value */ 42 43 #ifdef _KERNEL 44 /* ND callback function prototypes */ 45 typedef int (*ndgetf_t)(queue_t *, MBLKP, caddr_t, cred_t *); 46 typedef int (*ndsetf_t)(queue_t *, MBLKP, char *, caddr_t, cred_t *); 47 48 /* Named dispatch table entry */ 49 typedef struct nde_s { 50 char *nde_name; 51 pfi_t nde_get_pfi; 52 pfi_t nde_set_pfi; 53 caddr_t nde_data; 54 } NDE; 55 56 /* Name dispatch table */ 57 typedef struct nd_s { 58 int nd_free_count; /* number of unused nd table entries */ 59 int nd_size; /* size (in bytes) of current table */ 60 NDE *nd_tbl; /* pointer to table in heap */ 61 } ND; 62 63 #define NDE_ALLOC_COUNT 32 64 #define NDE_ALLOC_SIZE (sizeof (NDE) * NDE_ALLOC_COUNT) 65 66 /* 64K STREAM limit - the max ndd info header. */ 67 #define ND_MAX_BUF_LEN 65303 68 69 /* 70 * See uts/common/inet/nd.c for comments on how to use these routines. 71 */ 72 extern boolean_t nd_load(caddr_t *, char *, ndgetf_t, ndsetf_t, caddr_t); 73 extern void nd_unload(caddr_t *, char *); 74 extern void nd_free(caddr_t *); 75 extern int nd_getset(queue_t *, caddr_t, MBLKP); 76 77 /* 78 * Canned nd_get and nd_set routines for use with nd_load(). 79 */ 80 extern int nd_get_default(queue_t *, MBLKP, caddr_t, cred_t *); 81 extern int nd_get_long(queue_t *, MBLKP, caddr_t, cred_t *); 82 extern int nd_get_names(queue_t *, MBLKP, caddr_t, cred_t *); 83 extern int nd_set_default(queue_t *, MBLKP, char *, caddr_t, cred_t *); 84 extern int nd_set_long(queue_t *, MBLKP, char *, caddr_t, cred_t *); 85 86 #endif /* _KERNEL */ 87 88 #ifdef __cplusplus 89 } 90 #endif 91 92 #endif /* _INET_ND_H */ 93