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 #include <sys/types.h> 31 #include <inet/common.h> 32 #include <inet/led.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 #define ND_BASE ('N' << 8) /* base */ 39 #define ND_GET (ND_BASE + 0) /* Get a value */ 40 #define ND_SET (ND_BASE + 1) /* Set a value */ 41 42 #ifdef _KERNEL 43 /* ND callback function prototypes */ 44 typedef int (*ndgetf_t)(queue_t *, MBLKP, caddr_t, cred_t *); 45 typedef int (*ndsetf_t)(queue_t *, MBLKP, char *, caddr_t, cred_t *); 46 47 /* Named dispatch table entry */ 48 typedef struct nde_s { 49 char *nde_name; 50 pfi_t nde_get_pfi; 51 pfi_t nde_set_pfi; 52 caddr_t nde_data; 53 } NDE; 54 55 /* Name dispatch table */ 56 typedef struct nd_s { 57 int nd_free_count; /* number of unused nd table entries */ 58 int nd_size; /* size (in bytes) of current table */ 59 NDE *nd_tbl; /* pointer to table in heap */ 60 } ND; 61 62 #define NDE_ALLOC_COUNT 32 63 #define NDE_ALLOC_SIZE (sizeof (NDE) * NDE_ALLOC_COUNT) 64 65 /* 64K STREAM limit - the max ndd info header. */ 66 #define ND_MAX_BUF_LEN 65303 67 68 /* 69 * See uts/common/inet/nd.c for comments on how to use these routines. 70 */ 71 extern boolean_t nd_load(caddr_t *, char *, ndgetf_t, ndsetf_t, caddr_t); 72 extern void nd_unload(caddr_t *, char *); 73 extern void nd_free(caddr_t *); 74 extern int nd_getset(queue_t *, caddr_t, MBLKP); 75 76 /* 77 * Canned nd_get and nd_set routines for use with nd_load(). 78 */ 79 extern int nd_get_default(queue_t *, MBLKP, caddr_t, cred_t *); 80 extern int nd_get_long(queue_t *, MBLKP, caddr_t, cred_t *); 81 extern int nd_get_names(queue_t *, MBLKP, caddr_t, cred_t *); 82 extern int nd_set_default(queue_t *, MBLKP, char *, caddr_t, cred_t *); 83 extern int nd_set_long(queue_t *, MBLKP, char *, caddr_t, cred_t *); 84 85 #endif /* _KERNEL */ 86 87 #ifdef __cplusplus 88 } 89 #endif 90 91 #endif /* _INET_ND_H */ 92