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 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * Functions to maintain a table of datalink configuration information. 29 */ 30 31 #ifndef _DLMGMT_IMPL_H 32 #define _DLMGMT_IMPL_H 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 #include <door.h> 39 #include <libdllink.h> 40 41 /* 42 * datalink attribute structure 43 */ 44 typedef struct dlmgmt_linkattr_s { 45 struct dlmgmt_linkattr_s *lp_next; 46 struct dlmgmt_linkattr_s *lp_prev; 47 char lp_name[MAXLINKATTRLEN]; 48 void *lp_val; 49 dladm_datatype_t lp_type; 50 uint_t lp_sz; 51 } dlmgmt_linkattr_t; 52 53 /* 54 * datalink structure 55 */ 56 typedef struct dlmgmt_link_s { 57 dlmgmt_linkattr_t *ll_head; 58 char ll_link[MAXLINKNAMELEN]; 59 datalink_class_t ll_class; 60 uint32_t ll_media; 61 datalink_id_t ll_linkid; 62 avl_node_t ll_node_by_name; 63 avl_node_t ll_node_by_id; 64 uint32_t ll_flags; 65 uint32_t ll_gen; /* generation number */ 66 } dlmgmt_link_t; 67 68 /* 69 * datalink configuration request structure 70 */ 71 typedef struct dlmgmt_dlconf_s { 72 dlmgmt_linkattr_t *ld_head; 73 char ld_link[MAXLINKNAMELEN]; 74 datalink_id_t ld_linkid; 75 datalink_class_t ld_class; 76 uint32_t ld_media; 77 int ld_id; 78 uint32_t ld_gen; 79 avl_node_t ld_node; 80 } dlmgmt_dlconf_t; 81 82 extern boolean_t debug; 83 extern const char *progname; 84 extern dladm_handle_t dld_handle; 85 86 extern avl_tree_t dlmgmt_name_avl; 87 extern avl_tree_t dlmgmt_id_avl; 88 extern avl_tree_t dlmgmt_dlconf_avl; 89 90 boolean_t linkattr_equal(dlmgmt_linkattr_t **, const char *, void *, 91 size_t); 92 int linkattr_unset(dlmgmt_linkattr_t **, const char *); 93 int linkattr_set(dlmgmt_linkattr_t **, const char *, void *, 94 size_t, dladm_datatype_t); 95 int linkattr_get(dlmgmt_linkattr_t **, const char *, void **, 96 size_t *, dladm_datatype_t *); 97 98 void link_destroy(dlmgmt_link_t *); 99 dlmgmt_link_t *link_by_id(datalink_id_t); 100 dlmgmt_link_t *link_by_name(const char *); 101 int dlmgmt_create_common(const char *, datalink_class_t, 102 uint32_t, uint32_t, dlmgmt_link_t **); 103 int dlmgmt_destroy_common(dlmgmt_link_t *, uint32_t); 104 void dlmgmt_getattr_common(dlmgmt_linkattr_t **, const char *, 105 dlmgmt_getattr_retval_t *); 106 107 void dlmgmt_advance(dlmgmt_link_t *); 108 void dlmgmt_table_lock(boolean_t); 109 void dlmgmt_table_unlock(); 110 111 int dlconf_create(const char *, datalink_id_t, datalink_class_t, 112 uint32_t, dlmgmt_dlconf_t **); 113 void dlconf_destroy(dlmgmt_dlconf_t *); 114 void dlmgmt_advance_dlconfid(dlmgmt_dlconf_t *); 115 void dlmgmt_dlconf_table_lock(boolean_t); 116 void dlmgmt_dlconf_table_unlock(void); 117 118 int dlmgmt_generate_name(const char *, char *, size_t); 119 120 int dlmgmt_linktable_init(void); 121 void dlmgmt_linktable_fini(void); 122 123 void dlmgmt_handler(void *, char *, size_t, door_desc_t *, uint_t); 124 void dlmgmt_log(int, const char *, ...); 125 int dlmgmt_write_db_entry(datalink_id_t, uint32_t); 126 int dlmgmt_delete_db_entry(datalink_id_t, uint32_t); 127 int dlmgmt_db_init(void); 128 129 #define DLMGMT_TMPFS_DIR "/etc/svc/volatile/dladm" 130 131 #ifdef __cplusplus 132 } 133 #endif 134 135 #endif /* _DLMGMT_IMPL_H */ 136