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 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _LIBDLPI_IMPL_H 27 #define _LIBDLPI_IMPL_H 28 29 #include <libdlpi.h> 30 #include <sys/sysmacros.h> 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 /* 37 * Maximum DLPI response size, in bytes. 38 */ 39 #define DLPI_CHUNKSIZE 8192 40 41 /* 42 * Maximum SAP length, in bytes. 43 */ 44 #define DLPI_SAPLEN_MAX 4 45 46 /* 47 * Number of elements in 'arr'. 48 */ 49 #define NELEMS(arr) (sizeof (arr) / sizeof ((arr)[0])) 50 51 /* 52 * Allocate buffer size for DLPI message, in bytes and set DLPI primitive. 53 */ 54 #define DLPI_MSG_CREATE(dlmsg, dlprimitive) \ 55 (dlmsg).dlm_msgsz = i_dlpi_getprimsize((dlprimitive)); \ 56 (dlmsg).dlm_msg = alloca((dlmsg).dlm_msgsz); \ 57 (dlmsg).dlm_msg->dl_primitive = (dlprimitive); 58 59 /* 60 * Publicly available DLPI notification types. This list may change if 61 * new DLPI notification types are made public. See dlpi(7P). 62 * 63 */ 64 #define DLPI_NOTIFICATION_TYPES (DL_NOTE_LINK_DOWN | DL_NOTE_LINK_UP | \ 65 DL_NOTE_PHYS_ADDR | DL_NOTE_SDU_SIZE | DL_NOTE_SPEED | \ 66 DL_NOTE_PROMISC_ON_PHYS | DL_NOTE_PROMISC_OFF_PHYS) 67 68 /* 69 * Used in a mactype lookup table. 70 */ 71 typedef struct dlpi_mactype_s { 72 uint_t dm_mactype; /* DLPI/Private mactype */ 73 char *dm_desc; /* Description of mactype */ 74 } dlpi_mactype_t; 75 76 /* 77 * Used to get the maximum DLPI message buffer size, in bytes. 78 */ 79 typedef struct dlpi_primsz { 80 t_uscalar_t dp_prim; /* store DLPI primitive */ 81 size_t dp_primsz; 82 /* max. message size, in bytes, for dp_prim */ 83 } dlpi_primsz_t; 84 85 /* 86 * Used to create DLPI message. 87 */ 88 typedef struct dlpi_msg { 89 union DL_primitives *dlm_msg; 90 /* store DLPI primitive message */ 91 size_t dlm_msgsz; 92 /* provide buffer size for dlm_msg */ 93 } dlpi_msg_t; 94 95 typedef struct dlpi_notifyent { 96 uint_t dln_notes; 97 /* notification types registered */ 98 dlpi_notifyfunc_t *dln_fnp; 99 /* callback to call */ 100 void *arg; /* argument to pass to callback */ 101 uint_t dln_rm; /* true if should be removed */ 102 struct dlpi_notifyent *dln_next; 103 } dlpi_notifyent_t; 104 105 /* 106 * Private libdlpi structure associated with each DLPI handle. 107 */ 108 typedef struct dlpi_impl_s { 109 int dli_fd; /* fd attached to stream */ 110 int dli_timeout; /* timeout for operations, in sec */ 111 char dli_linkname[DLPI_LINKNAME_MAX]; 112 /* full linkname including PPA */ 113 char dli_provider[DLPI_LINKNAME_MAX]; 114 /* only provider name */ 115 t_uscalar_t dli_style; /* style 1 or 2 */ 116 uint_t dli_saplen; /* bound SAP length */ 117 uint_t dli_sap; /* bound SAP value */ 118 boolean_t dli_sapbefore; /* true if SAP precedes address */ 119 uint_t dli_ppa; /* physical point of attachment */ 120 uint_t dli_mactype; /* mac type */ 121 uint_t dli_oflags; /* flags set at open */ 122 uint_t dli_note_processing; 123 /* true if notification is being */ 124 /* processed */ 125 dlpi_notifyent_t *dli_notifylistp; 126 /* list of registered notifications */ 127 } dlpi_impl_t; 128 129 #ifdef __cplusplus 130 } 131 #endif 132 133 #endif /* _LIBDLPI_IMPL_H */ 134