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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 /* Copyright (c) 1990 Mentat Inc. */ 26 27 #ifndef _INET_ND_H 28 #define _INET_ND_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/types.h> 33 #include <inet/common.h> 34 #include <inet/led.h> 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 #define ND_BASE ('N' << 8) /* base */ 41 #define ND_GET (ND_BASE + 0) /* Get a value */ 42 #define ND_SET (ND_BASE + 1) /* Set a value */ 43 44 #ifdef _KERNEL 45 /* ND callback function prototypes */ 46 typedef int (*ndgetf_t)(queue_t *, MBLKP, caddr_t, cred_t *); 47 typedef int (*ndsetf_t)(queue_t *, MBLKP, char *, caddr_t, cred_t *); 48 49 /* Named dispatch table entry */ 50 typedef struct nde_s { 51 char *nde_name; 52 pfi_t nde_get_pfi; 53 pfi_t nde_set_pfi; 54 caddr_t nde_data; 55 } NDE; 56 57 /* Name dispatch table */ 58 typedef struct nd_s { 59 int nd_free_count; /* number of unused nd table entries */ 60 int nd_size; /* size (in bytes) of current table */ 61 NDE *nd_tbl; /* pointer to table in heap */ 62 } ND; 63 64 #define NDE_ALLOC_COUNT 32 65 #define NDE_ALLOC_SIZE (sizeof (NDE) * NDE_ALLOC_COUNT) 66 67 /* 64K STREAM limit - the max ndd info header. */ 68 #define ND_MAX_BUF_LEN 65303 69 70 /* 71 * See uts/common/inet/nd.c for comments on how to use these routines. 72 */ 73 extern boolean_t nd_load(caddr_t *, char *, ndgetf_t, ndsetf_t, caddr_t); 74 extern void nd_unload(caddr_t *, char *); 75 extern void nd_free(caddr_t *); 76 extern int nd_getset(queue_t *, caddr_t, MBLKP); 77 78 /* 79 * Canned nd_get and nd_set routines for use with nd_load(). 80 */ 81 extern int nd_get_default(queue_t *, MBLKP, caddr_t, cred_t *); 82 extern int nd_get_long(queue_t *, MBLKP, caddr_t, cred_t *); 83 extern int nd_get_names(queue_t *, MBLKP, caddr_t, cred_t *); 84 extern int nd_set_default(queue_t *, MBLKP, char *, caddr_t, cred_t *); 85 extern int nd_set_long(queue_t *, MBLKP, char *, caddr_t, cred_t *); 86 87 #endif /* _KERNEL */ 88 89 #ifdef __cplusplus 90 } 91 #endif 92 93 #endif /* _INET_ND_H */ 94