1d62bc4baSyz /* 2d62bc4baSyz * CDDL HEADER START 3d62bc4baSyz * 4d62bc4baSyz * The contents of this file are subject to the terms of the 5d62bc4baSyz * Common Development and Distribution License (the "License"). 6d62bc4baSyz * You may not use this file except in compliance with the License. 7d62bc4baSyz * 8d62bc4baSyz * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9d62bc4baSyz * or http://www.opensolaris.org/os/licensing. 10d62bc4baSyz * See the License for the specific language governing permissions 11d62bc4baSyz * and limitations under the License. 12d62bc4baSyz * 13d62bc4baSyz * When distributing Covered Code, include this CDDL HEADER in each 14d62bc4baSyz * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15d62bc4baSyz * If applicable, add the following below this CDDL HEADER, with the 16d62bc4baSyz * fields enclosed by brackets "[]" replaced with your own identifying 17d62bc4baSyz * information: Portions Copyright [yyyy] [name of copyright owner] 18d62bc4baSyz * 19d62bc4baSyz * CDDL HEADER END 20d62bc4baSyz */ 21d62bc4baSyz /* 22d62bc4baSyz * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23d62bc4baSyz * Use is subject to license terms. 24d62bc4baSyz */ 25d62bc4baSyz 26d62bc4baSyz #include <door.h> 27d62bc4baSyz #include <errno.h> 28d62bc4baSyz #include <assert.h> 29d62bc4baSyz #include <stdio.h> 30d62bc4baSyz #include <stdlib.h> 31d62bc4baSyz #include <unistd.h> 32d62bc4baSyz #include <string.h> 33d62bc4baSyz #include <strings.h> 34d62bc4baSyz #include <sys/types.h> 35d62bc4baSyz #include <sys/stat.h> 36d62bc4baSyz #include <sys/aggr.h> 37d62bc4baSyz #include <fcntl.h> 38d62bc4baSyz #include <libdladm.h> 39d62bc4baSyz #include <libdladm_impl.h> 40d62bc4baSyz #include <libdllink.h> 41d62bc4baSyz #include <libdlmgmt.h> 42d62bc4baSyz 43d62bc4baSyz /* 44d62bc4baSyz * Table of data type sizes indexed by dladm_datatype_t. 45d62bc4baSyz */ 46d62bc4baSyz static size_t dladm_datatype_size[] = { 47d62bc4baSyz 0, /* DLADM_TYPE_STR, use strnlen() */ 48d62bc4baSyz sizeof (boolean_t), /* DLADM_TYPE_BOOLEAN */ 49d62bc4baSyz sizeof (uint64_t) /* DLADM_TYPE_UINT64 */ 50d62bc4baSyz }; 51d62bc4baSyz 52d62bc4baSyz static dladm_status_t 53024b0a25Sseb dladm_door_call(void *arg, size_t asize, void *rbuf, size_t rsize) 54d62bc4baSyz { 55d62bc4baSyz door_arg_t darg; 56d62bc4baSyz int fd; 57d62bc4baSyz dladm_status_t status = DLADM_STATUS_OK; 58d62bc4baSyz 59d62bc4baSyz if ((fd = open(DLMGMT_DOOR, O_RDONLY)) == -1) 60d62bc4baSyz return (dladm_errno2status(errno)); 61d62bc4baSyz 62d62bc4baSyz darg.data_ptr = arg; 63d62bc4baSyz darg.data_size = asize; 64d62bc4baSyz darg.desc_ptr = NULL; 65d62bc4baSyz darg.desc_num = 0; 66d62bc4baSyz darg.rbuf = rbuf; 67024b0a25Sseb darg.rsize = rsize; 68d62bc4baSyz 69d62bc4baSyz if (door_call(fd, &darg) == -1) 70d62bc4baSyz status = dladm_errno2status(errno); 71d62bc4baSyz (void) close(fd); 72d62bc4baSyz 73d62bc4baSyz if (status != DLADM_STATUS_OK) 74d62bc4baSyz return (status); 75d62bc4baSyz 76d62bc4baSyz if (darg.rbuf != rbuf) { 77d62bc4baSyz /* 78d62bc4baSyz * The size of the input rbuf is not big enough so that 79d62bc4baSyz * the door allocate the rbuf itself. In this case, simply 80d62bc4baSyz * think something wrong with the door call. 81d62bc4baSyz */ 82d62bc4baSyz (void) munmap(darg.rbuf, darg.rsize); 83d62bc4baSyz return (DLADM_STATUS_TOOSMALL); 84d62bc4baSyz } 85024b0a25Sseb if (darg.rsize != rsize) 86d62bc4baSyz return (DLADM_STATUS_FAILED); 87d62bc4baSyz 88024b0a25Sseb return (dladm_errno2status(((dlmgmt_retval_t *)rbuf)->lr_err)); 89d62bc4baSyz } 90d62bc4baSyz 91d62bc4baSyz /* 92d62bc4baSyz * Allocate a new linkid with the given name. Return the new linkid. 93d62bc4baSyz */ 94d62bc4baSyz dladm_status_t 95d62bc4baSyz dladm_create_datalink_id(const char *link, datalink_class_t class, 96d62bc4baSyz uint32_t media, uint32_t flags, datalink_id_t *linkidp) 97d62bc4baSyz { 98024b0a25Sseb dlmgmt_door_createid_t createid; 99d62bc4baSyz dlmgmt_createid_retval_t retval; 100024b0a25Sseb uint32_t dlmgmt_flags; 101024b0a25Sseb dladm_status_t status; 102d62bc4baSyz 103024b0a25Sseb if (link == NULL || class == DATALINK_CLASS_ALL || 104d62bc4baSyz !(flags & (DLADM_OPT_ACTIVE | DLADM_OPT_PERSIST)) || 105d62bc4baSyz linkidp == NULL) { 106d62bc4baSyz return (DLADM_STATUS_BADARG); 107d62bc4baSyz } 108d62bc4baSyz 109d62bc4baSyz dlmgmt_flags = (flags & DLADM_OPT_ACTIVE) ? DLMGMT_ACTIVE : 0; 110d62bc4baSyz dlmgmt_flags |= (flags & DLADM_OPT_PERSIST) ? DLMGMT_PERSIST : 0; 111d62bc4baSyz 112d62bc4baSyz (void) strlcpy(createid.ld_link, link, MAXLINKNAMELEN); 113d62bc4baSyz createid.ld_class = class; 114d62bc4baSyz createid.ld_media = media; 115d62bc4baSyz createid.ld_flags = dlmgmt_flags; 116d62bc4baSyz createid.ld_cmd = DLMGMT_CMD_CREATE_LINKID; 117d62bc4baSyz createid.ld_prefix = (flags & DLADM_OPT_PREFIX); 118d62bc4baSyz 119024b0a25Sseb if ((status = dladm_door_call(&createid, sizeof (createid), &retval, 120024b0a25Sseb sizeof (retval))) == DLADM_STATUS_OK) { 121024b0a25Sseb *linkidp = retval.lr_linkid; 122024b0a25Sseb } 123024b0a25Sseb return (status); 124d62bc4baSyz } 125d62bc4baSyz 126d62bc4baSyz /* 127d62bc4baSyz * Destroy the given link ID. 128d62bc4baSyz */ 129d62bc4baSyz dladm_status_t 130d62bc4baSyz dladm_destroy_datalink_id(datalink_id_t linkid, uint32_t flags) 131d62bc4baSyz { 132d62bc4baSyz dlmgmt_door_destroyid_t destroyid; 133d62bc4baSyz dlmgmt_destroyid_retval_t retval; 134d62bc4baSyz uint32_t dlmgmt_flags; 135d62bc4baSyz 136d62bc4baSyz dlmgmt_flags = (flags & DLADM_OPT_ACTIVE) ? DLMGMT_ACTIVE : 0; 137d62bc4baSyz dlmgmt_flags |= ((flags & DLADM_OPT_PERSIST) ? DLMGMT_PERSIST : 0); 138d62bc4baSyz 139d62bc4baSyz destroyid.ld_cmd = DLMGMT_CMD_DESTROY_LINKID; 140d62bc4baSyz destroyid.ld_linkid = linkid; 141d62bc4baSyz destroyid.ld_flags = dlmgmt_flags; 142d62bc4baSyz 143024b0a25Sseb return (dladm_door_call(&destroyid, sizeof (destroyid), 144024b0a25Sseb &retval, sizeof (retval))); 145d62bc4baSyz } 146d62bc4baSyz 147d62bc4baSyz /* 148d62bc4baSyz * Remap a given link ID to a new name. 149d62bc4baSyz */ 150d62bc4baSyz dladm_status_t 151d62bc4baSyz dladm_remap_datalink_id(datalink_id_t linkid, const char *link) 152d62bc4baSyz { 153d62bc4baSyz dlmgmt_door_remapid_t remapid; 154d62bc4baSyz dlmgmt_remapid_retval_t retval; 155d62bc4baSyz 156d62bc4baSyz remapid.ld_cmd = DLMGMT_CMD_REMAP_LINKID; 157d62bc4baSyz remapid.ld_linkid = linkid; 158d62bc4baSyz (void) strlcpy(remapid.ld_link, link, MAXLINKNAMELEN); 159d62bc4baSyz 160024b0a25Sseb return (dladm_door_call(&remapid, sizeof (remapid), 161024b0a25Sseb &retval, sizeof (retval))); 162d62bc4baSyz } 163d62bc4baSyz 164d62bc4baSyz /* 165d62bc4baSyz * Make a given link ID active. 166d62bc4baSyz */ 167d62bc4baSyz dladm_status_t 168d62bc4baSyz dladm_up_datalink_id(datalink_id_t linkid) 169d62bc4baSyz { 170024b0a25Sseb dlmgmt_door_upid_t upid; 171024b0a25Sseb dlmgmt_upid_retval_t retval; 172d62bc4baSyz 173d62bc4baSyz upid.ld_cmd = DLMGMT_CMD_UP_LINKID; 174d62bc4baSyz upid.ld_linkid = linkid; 175d62bc4baSyz 176024b0a25Sseb return (dladm_door_call(&upid, sizeof (upid), 177024b0a25Sseb &retval, sizeof (retval))); 178d62bc4baSyz } 179d62bc4baSyz 180d62bc4baSyz /* 181d62bc4baSyz * Create a new link with the given name. Return the new link's handle 182d62bc4baSyz */ 183d62bc4baSyz dladm_status_t 184d62bc4baSyz dladm_create_conf(const char *link, datalink_id_t linkid, 185d62bc4baSyz datalink_class_t class, uint32_t media, dladm_conf_t *confp) 186d62bc4baSyz { 187024b0a25Sseb dlmgmt_door_createconf_t createconf; 188024b0a25Sseb dlmgmt_createconf_retval_t retval; 189024b0a25Sseb dladm_status_t status; 190d62bc4baSyz 191024b0a25Sseb if (link == NULL || confp == NULL) 192d62bc4baSyz return (DLADM_STATUS_BADARG); 193d62bc4baSyz 194d62bc4baSyz (void) strlcpy(createconf.ld_link, link, MAXLINKNAMELEN); 195d62bc4baSyz createconf.ld_class = class; 196d62bc4baSyz createconf.ld_media = media; 197d62bc4baSyz createconf.ld_linkid = linkid; 198d62bc4baSyz createconf.ld_cmd = DLMGMT_CMD_CREATECONF; 199d62bc4baSyz 200024b0a25Sseb if ((status = dladm_door_call(&createconf, sizeof (createconf), 201024b0a25Sseb &retval, sizeof (retval))) == DLADM_STATUS_OK) { 202024b0a25Sseb *confp = retval.lr_conf; 203024b0a25Sseb } 204024b0a25Sseb return (status); 205d62bc4baSyz } 206d62bc4baSyz 207d62bc4baSyz /* 208d62bc4baSyz * An active physical link reported by the dlmgmtd daemon might not be active 209d62bc4baSyz * anymore as this link might be removed during system shutdown. Check its 210d62bc4baSyz * real status by calling dladm_phys_info(). 211d62bc4baSyz */ 212d62bc4baSyz dladm_status_t 213d62bc4baSyz i_dladm_phys_status(datalink_id_t linkid, uint32_t *flagsp) 214d62bc4baSyz { 215d62bc4baSyz dladm_phys_attr_t dpa; 216d62bc4baSyz dladm_status_t status; 217d62bc4baSyz 218d62bc4baSyz assert((*flagsp) & DLMGMT_ACTIVE); 219d62bc4baSyz 220d62bc4baSyz status = dladm_phys_info(linkid, &dpa, DLADM_OPT_ACTIVE); 221d62bc4baSyz if (status == DLADM_STATUS_NOTFOUND) { 222d62bc4baSyz /* 223d62bc4baSyz * No active status, this link was removed. Update its status 224d62bc4baSyz * in the daemon and delete all active linkprops. 225*2d4eecfaSCathy Zhou * 226*2d4eecfaSCathy Zhou * Note that the operation could fail. If it does, return 227*2d4eecfaSCathy Zhou * failure now since otherwise dladm_set_linkprop() might 228*2d4eecfaSCathy Zhou * call back to i_dladm_phys_status() recursively. 229d62bc4baSyz */ 230*2d4eecfaSCathy Zhou status = dladm_destroy_datalink_id(linkid, DLADM_OPT_ACTIVE); 231*2d4eecfaSCathy Zhou if (status != DLADM_STATUS_OK) 232*2d4eecfaSCathy Zhou return (status); 233*2d4eecfaSCathy Zhou 234d62bc4baSyz (void) dladm_set_linkprop(linkid, NULL, NULL, 0, 235d62bc4baSyz DLADM_OPT_ACTIVE); 236d62bc4baSyz 237d62bc4baSyz (*flagsp) &= ~DLMGMT_ACTIVE; 238d62bc4baSyz status = DLADM_STATUS_OK; 239d62bc4baSyz } 240d62bc4baSyz return (status); 241d62bc4baSyz } 242d62bc4baSyz 243d62bc4baSyz /* 244d62bc4baSyz * Walk each entry in the data link configuration repository and 245d62bc4baSyz * call fn on the linkid and arg. 246d62bc4baSyz */ 247d62bc4baSyz dladm_status_t 248d62bc4baSyz dladm_walk_datalink_id(int (*fn)(datalink_id_t, void *), void *argp, 249d62bc4baSyz datalink_class_t class, datalink_media_t dmedia, uint32_t flags) 250d62bc4baSyz { 251d62bc4baSyz dlmgmt_door_getnext_t getnext; 252d62bc4baSyz dlmgmt_getnext_retval_t retval; 253d62bc4baSyz uint32_t dlmgmt_flags; 254d62bc4baSyz datalink_id_t linkid = DATALINK_INVALID_LINKID; 255d62bc4baSyz dladm_status_t status = DLADM_STATUS_OK; 256d62bc4baSyz 257d62bc4baSyz if (fn == NULL) 258d62bc4baSyz return (DLADM_STATUS_BADARG); 259d62bc4baSyz 260d62bc4baSyz dlmgmt_flags = (flags & DLADM_OPT_ACTIVE) ? DLMGMT_ACTIVE : 0; 261d62bc4baSyz dlmgmt_flags |= ((flags & DLADM_OPT_PERSIST) ? DLMGMT_PERSIST : 0); 262d62bc4baSyz 263d62bc4baSyz getnext.ld_cmd = DLMGMT_CMD_GETNEXT; 264d62bc4baSyz getnext.ld_class = class; 265d62bc4baSyz getnext.ld_dmedia = dmedia; 266d62bc4baSyz getnext.ld_flags = dlmgmt_flags; 267d62bc4baSyz 268d62bc4baSyz do { 269d62bc4baSyz getnext.ld_linkid = linkid; 270024b0a25Sseb if ((status = dladm_door_call(&getnext, sizeof (getnext), 271024b0a25Sseb &retval, sizeof (retval))) != DLADM_STATUS_OK) { 272d62bc4baSyz /* 273d62bc4baSyz * done with walking 274d62bc4baSyz */ 275d62bc4baSyz break; 276d62bc4baSyz } 277d62bc4baSyz 278d62bc4baSyz linkid = retval.lr_linkid; 279d62bc4baSyz if ((retval.lr_class == DATALINK_CLASS_PHYS) && 280d62bc4baSyz (retval.lr_flags & DLMGMT_ACTIVE)) { 281d62bc4baSyz /* 282d62bc4baSyz * An active physical link reported by the dlmgmtd 283d62bc4baSyz * daemon might not be active anymore. Check its 284d62bc4baSyz * real status. 285d62bc4baSyz */ 286d62bc4baSyz if (i_dladm_phys_status(linkid, &retval.lr_flags) != 287d62bc4baSyz DLADM_STATUS_OK) { 288d62bc4baSyz continue; 289d62bc4baSyz } 290d62bc4baSyz 291d62bc4baSyz if (!(dlmgmt_flags & retval.lr_flags)) 292d62bc4baSyz continue; 293d62bc4baSyz } 294d62bc4baSyz 295d62bc4baSyz if (fn(linkid, argp) == DLADM_WALK_TERMINATE) 296d62bc4baSyz break; 297d62bc4baSyz } while (linkid != DATALINK_INVALID_LINKID); 298d62bc4baSyz 299d62bc4baSyz return (status); 300d62bc4baSyz } 301d62bc4baSyz 302d62bc4baSyz /* 303d62bc4baSyz * Get the link properties structure for the given link. 304d62bc4baSyz */ 305d62bc4baSyz dladm_status_t 306d62bc4baSyz dladm_read_conf(datalink_id_t linkid, dladm_conf_t *confp) 307d62bc4baSyz { 308024b0a25Sseb dlmgmt_door_readconf_t readconf; 309d62bc4baSyz dlmgmt_readconf_retval_t retval; 310d62bc4baSyz dladm_status_t status; 311d62bc4baSyz 312d62bc4baSyz if (linkid == DATALINK_INVALID_LINKID || confp == NULL) 313d62bc4baSyz return (DLADM_STATUS_BADARG); 314d62bc4baSyz 315d62bc4baSyz readconf.ld_linkid = linkid; 316d62bc4baSyz readconf.ld_cmd = DLMGMT_CMD_READCONF; 317d62bc4baSyz 318024b0a25Sseb if ((status = dladm_door_call(&readconf, sizeof (readconf), 319024b0a25Sseb &retval, sizeof (retval))) == DLADM_STATUS_OK) { 320024b0a25Sseb *confp = retval.lr_conf; 321024b0a25Sseb } 322024b0a25Sseb return (status); 323d62bc4baSyz } 324d62bc4baSyz 325d62bc4baSyz /* 326d62bc4baSyz * Commit the given link to the data link configuration repository so 327d62bc4baSyz * that it will persist across reboots. 328d62bc4baSyz */ 329d62bc4baSyz dladm_status_t 330d62bc4baSyz dladm_write_conf(dladm_conf_t conf) 331d62bc4baSyz { 332d62bc4baSyz dlmgmt_door_writeconf_t writeconf; 333d62bc4baSyz dlmgmt_writeconf_retval_t retval; 334d62bc4baSyz 335d62bc4baSyz if (conf == DLADM_INVALID_CONF) 336d62bc4baSyz return (DLADM_STATUS_BADARG); 337d62bc4baSyz 338d62bc4baSyz writeconf.ld_cmd = DLMGMT_CMD_WRITECONF; 339d62bc4baSyz writeconf.ld_conf = conf; 340d62bc4baSyz 341024b0a25Sseb return (dladm_door_call(&writeconf, sizeof (writeconf), 342024b0a25Sseb &retval, sizeof (retval))); 343d62bc4baSyz } 344d62bc4baSyz 345d62bc4baSyz /* 346d62bc4baSyz * Given a link ID and a key, get the matching information from 347d62bc4baSyz * data link configuration repository. 348d62bc4baSyz */ 349d62bc4baSyz dladm_status_t 350d62bc4baSyz dladm_get_conf_field(dladm_conf_t conf, const char *attr, void *attrval, 351d62bc4baSyz size_t attrsz) 352d62bc4baSyz { 353024b0a25Sseb dlmgmt_door_getattr_t getattr; 354024b0a25Sseb dlmgmt_getattr_retval_t retval; 355024b0a25Sseb dladm_status_t status; 356d62bc4baSyz 357d62bc4baSyz if (conf == DLADM_INVALID_CONF || attrval == NULL || 358024b0a25Sseb attrsz == 0 || attr == NULL) { 359d62bc4baSyz return (DLADM_STATUS_BADARG); 360d62bc4baSyz } 361d62bc4baSyz 362d62bc4baSyz getattr.ld_cmd = DLMGMT_CMD_GETATTR; 363d62bc4baSyz getattr.ld_conf = conf; 364d62bc4baSyz (void) strlcpy(getattr.ld_attr, attr, MAXLINKATTRLEN); 365d62bc4baSyz 366024b0a25Sseb if ((status = dladm_door_call(&getattr, sizeof (getattr), &retval, 367024b0a25Sseb sizeof (retval))) != DLADM_STATUS_OK) { 368024b0a25Sseb return (status); 369024b0a25Sseb } 370d62bc4baSyz 371024b0a25Sseb if (retval.lr_attrsz > attrsz) 372024b0a25Sseb return (DLADM_STATUS_TOOSMALL); 373d62bc4baSyz 374024b0a25Sseb bcopy(retval.lr_attrval, attrval, retval.lr_attrsz); 375024b0a25Sseb return (DLADM_STATUS_OK); 376d62bc4baSyz } 377d62bc4baSyz 378d62bc4baSyz /* 379d62bc4baSyz * Get the link ID that is associated with the given name. 380d62bc4baSyz */ 381d62bc4baSyz dladm_status_t 382d62bc4baSyz dladm_name2info(const char *link, datalink_id_t *linkidp, uint32_t *flagp, 383d62bc4baSyz datalink_class_t *classp, uint32_t *mediap) 384d62bc4baSyz { 385d62bc4baSyz dlmgmt_door_getlinkid_t getlinkid; 386d62bc4baSyz dlmgmt_getlinkid_retval_t retval; 387d62bc4baSyz datalink_id_t linkid; 388d62bc4baSyz dladm_status_t status; 389d62bc4baSyz 390d62bc4baSyz getlinkid.ld_cmd = DLMGMT_CMD_GETLINKID; 391d62bc4baSyz (void) strlcpy(getlinkid.ld_link, link, MAXLINKNAMELEN); 392d62bc4baSyz 393024b0a25Sseb if ((status = dladm_door_call(&getlinkid, sizeof (getlinkid), 394024b0a25Sseb &retval, sizeof (retval))) != DLADM_STATUS_OK) { 395d62bc4baSyz return (status); 396024b0a25Sseb } 397d62bc4baSyz 398d62bc4baSyz linkid = retval.lr_linkid; 399d62bc4baSyz if (retval.lr_class == DATALINK_CLASS_PHYS && 400d62bc4baSyz retval.lr_flags & DLMGMT_ACTIVE) { 401d62bc4baSyz /* 402d62bc4baSyz * An active physical link reported by the dlmgmtd daemon 403d62bc4baSyz * might not be active anymore. Check and set its real status. 404d62bc4baSyz */ 405d62bc4baSyz status = i_dladm_phys_status(linkid, &retval.lr_flags); 406d62bc4baSyz if (status != DLADM_STATUS_OK) 407d62bc4baSyz return (status); 408d62bc4baSyz } 409d62bc4baSyz 410d62bc4baSyz if (linkidp != NULL) 411d62bc4baSyz *linkidp = linkid; 412d62bc4baSyz if (flagp != NULL) { 413d62bc4baSyz *flagp = retval.lr_flags & DLMGMT_ACTIVE ? DLADM_OPT_ACTIVE : 0; 414d62bc4baSyz *flagp |= (retval.lr_flags & DLMGMT_PERSIST) ? 415d62bc4baSyz DLADM_OPT_PERSIST : 0; 416d62bc4baSyz } 417d62bc4baSyz if (classp != NULL) 418d62bc4baSyz *classp = retval.lr_class; 419d62bc4baSyz if (mediap != NULL) 420d62bc4baSyz *mediap = retval.lr_media; 421d62bc4baSyz 422d62bc4baSyz return (DLADM_STATUS_OK); 423d62bc4baSyz } 424d62bc4baSyz 425d62bc4baSyz /* 426d62bc4baSyz * Get the link name that is associated with the given id. 427d62bc4baSyz */ 428d62bc4baSyz dladm_status_t 429d62bc4baSyz dladm_datalink_id2info(datalink_id_t linkid, uint32_t *flagp, 430d62bc4baSyz datalink_class_t *classp, uint32_t *mediap, char *link, size_t len) 431d62bc4baSyz { 432024b0a25Sseb dlmgmt_door_getname_t getname; 433024b0a25Sseb dlmgmt_getname_retval_t retval; 434024b0a25Sseb dladm_status_t status; 435d62bc4baSyz 436d62bc4baSyz if ((linkid == DATALINK_INVALID_LINKID) || (link != NULL && len == 0) || 437d62bc4baSyz (link == NULL && len != 0)) { 438d62bc4baSyz return (DLADM_STATUS_BADARG); 439d62bc4baSyz } 440d62bc4baSyz 441d62bc4baSyz getname.ld_cmd = DLMGMT_CMD_GETNAME; 442d62bc4baSyz getname.ld_linkid = linkid; 443024b0a25Sseb if ((status = dladm_door_call(&getname, sizeof (getname), &retval, 444024b0a25Sseb sizeof (retval))) != DLADM_STATUS_OK) { 445d62bc4baSyz return (status); 446024b0a25Sseb } 447d62bc4baSyz 448024b0a25Sseb if (len != 0 && (strlen(retval.lr_link) + 1 > len)) 449d62bc4baSyz return (DLADM_STATUS_TOOSMALL); 450d62bc4baSyz 451d62bc4baSyz if (retval.lr_class == DATALINK_CLASS_PHYS && 452d62bc4baSyz retval.lr_flags & DLMGMT_ACTIVE) { 453d62bc4baSyz /* 454d62bc4baSyz * An active physical link reported by the dlmgmtd daemon 455d62bc4baSyz * might not be active anymore. Check and set its real status. 456d62bc4baSyz */ 457d62bc4baSyz status = i_dladm_phys_status(linkid, &retval.lr_flags); 458d62bc4baSyz if (status != DLADM_STATUS_OK) 459d62bc4baSyz return (status); 460d62bc4baSyz } 461d62bc4baSyz 462d62bc4baSyz if (link != NULL) 463d62bc4baSyz (void) strlcpy(link, retval.lr_link, len); 464d62bc4baSyz if (classp != NULL) 465d62bc4baSyz *classp = retval.lr_class; 466d62bc4baSyz if (mediap != NULL) 467d62bc4baSyz *mediap = retval.lr_media; 468d62bc4baSyz if (flagp != NULL) { 469d62bc4baSyz *flagp = retval.lr_flags & DLMGMT_ACTIVE ? 470d62bc4baSyz DLADM_OPT_ACTIVE : 0; 471d62bc4baSyz *flagp |= (retval.lr_flags & DLMGMT_PERSIST) ? 472d62bc4baSyz DLADM_OPT_PERSIST : 0; 473d62bc4baSyz } 474d62bc4baSyz return (DLADM_STATUS_OK); 475d62bc4baSyz } 476d62bc4baSyz 477d62bc4baSyz /* 478d62bc4baSyz * Set the given attr with the given attrval for the given link. 479d62bc4baSyz */ 480d62bc4baSyz dladm_status_t 481d62bc4baSyz dladm_set_conf_field(dladm_conf_t conf, const char *attr, 482d62bc4baSyz dladm_datatype_t type, const void *attrval) 483d62bc4baSyz { 484024b0a25Sseb dlmgmt_door_setattr_t setattr; 485024b0a25Sseb dlmgmt_setattr_retval_t retval; 486024b0a25Sseb size_t attrsz; 487d62bc4baSyz 488024b0a25Sseb if (attr == NULL || attrval == NULL) 489d62bc4baSyz return (DLADM_STATUS_BADARG); 490d62bc4baSyz 491d62bc4baSyz if (type == DLADM_TYPE_STR) 492d62bc4baSyz attrsz = strlen(attrval) + 1; 493d62bc4baSyz else 494d62bc4baSyz attrsz = dladm_datatype_size[type]; 495d62bc4baSyz 496024b0a25Sseb if (attrsz > MAXLINKATTRVALLEN) 497024b0a25Sseb return (DLADM_STATUS_TOOSMALL); 498d62bc4baSyz 499024b0a25Sseb setattr.ld_cmd = DLMGMT_CMD_SETATTR; 500024b0a25Sseb setattr.ld_conf = conf; 501024b0a25Sseb (void) strlcpy(setattr.ld_attr, attr, MAXLINKATTRLEN); 502024b0a25Sseb setattr.ld_attrsz = attrsz; 503024b0a25Sseb setattr.ld_type = type; 504024b0a25Sseb bcopy(attrval, &setattr.ld_attrval, attrsz); 505d62bc4baSyz 506024b0a25Sseb return (dladm_door_call(&setattr, sizeof (setattr), 507024b0a25Sseb &retval, sizeof (retval))); 508d62bc4baSyz } 509d62bc4baSyz 510d62bc4baSyz /* 511d62bc4baSyz * Unset the given attr the given link. 512d62bc4baSyz */ 513d62bc4baSyz dladm_status_t 514d62bc4baSyz dladm_unset_conf_field(dladm_conf_t conf, const char *attr) 515d62bc4baSyz { 516d62bc4baSyz dlmgmt_door_unsetattr_t unsetattr; 517d62bc4baSyz dlmgmt_unsetattr_retval_t retval; 518d62bc4baSyz 519024b0a25Sseb if (attr == NULL) 520d62bc4baSyz return (DLADM_STATUS_BADARG); 521d62bc4baSyz 522d62bc4baSyz unsetattr.ld_cmd = DLMGMT_CMD_UNSETATTR; 523d62bc4baSyz unsetattr.ld_conf = conf; 524d62bc4baSyz (void) strlcpy(unsetattr.ld_attr, attr, MAXLINKATTRLEN); 525d62bc4baSyz 526024b0a25Sseb return (dladm_door_call(&unsetattr, sizeof (unsetattr), 527024b0a25Sseb &retval, sizeof (retval))); 528d62bc4baSyz } 529d62bc4baSyz 530d62bc4baSyz /* 531d62bc4baSyz * Remove the given link ID and its entry from the data link configuration 532d62bc4baSyz * repository. 533d62bc4baSyz */ 534d62bc4baSyz dladm_status_t 535d62bc4baSyz dladm_remove_conf(datalink_id_t linkid) 536d62bc4baSyz { 537d62bc4baSyz dlmgmt_door_removeconf_t removeconf; 538d62bc4baSyz dlmgmt_removeconf_retval_t retval; 539d62bc4baSyz 540d62bc4baSyz removeconf.ld_cmd = DLMGMT_CMD_REMOVECONF; 541d62bc4baSyz removeconf.ld_linkid = linkid; 542d62bc4baSyz 543024b0a25Sseb return (dladm_door_call(&removeconf, sizeof (removeconf), 544024b0a25Sseb &retval, sizeof (retval))); 545d62bc4baSyz } 546d62bc4baSyz 547d62bc4baSyz /* 548d62bc4baSyz * Free the contents of the link structure. 549d62bc4baSyz */ 550d62bc4baSyz void 551d62bc4baSyz dladm_destroy_conf(dladm_conf_t conf) 552d62bc4baSyz { 553d62bc4baSyz dlmgmt_door_destroyconf_t destroyconf; 554d62bc4baSyz dlmgmt_destroyconf_retval_t retval; 555d62bc4baSyz 556d62bc4baSyz if (conf == DLADM_INVALID_CONF) 557d62bc4baSyz return; 558d62bc4baSyz 559d62bc4baSyz destroyconf.ld_cmd = DLMGMT_CMD_DESTROYCONF; 560d62bc4baSyz destroyconf.ld_conf = conf; 561d62bc4baSyz 562024b0a25Sseb (void) dladm_door_call(&destroyconf, sizeof (destroyconf), 563024b0a25Sseb &retval, sizeof (retval)); 564d62bc4baSyz } 565