xref: /titanic_41/usr/src/lib/libdladm/common/linkprop.c (revision de6f998e6d02b8c2b9fd7169f88e293848d5760f)
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 #include <stdlib.h>
27 #include <strings.h>
28 #include <errno.h>
29 #include <ctype.h>
30 #include <stddef.h>
31 #include <sys/types.h>
32 #include <sys/stat.h>
33 #include <sys/dld.h>
34 #include <sys/zone.h>
35 #include <fcntl.h>
36 #include <unistd.h>
37 #include <libdevinfo.h>
38 #include <zone.h>
39 #include <libdllink.h>
40 #include <libdladm_impl.h>
41 #include <libdlwlan_impl.h>
42 #include <libdlwlan.h>
43 #include <libdlvlan.h>
44 #include <libdlvnic.h>
45 #include <libintl.h>
46 #include <dlfcn.h>
47 #include <link.h>
48 #include <inet/wifi_ioctl.h>
49 #include <libdladm.h>
50 #include <libdlstat.h>
51 #include <sys/param.h>
52 #include <sys/debug.h>
53 #include <sys/dld.h>
54 #include <sys/mac_flow.h>
55 #include <inttypes.h>
56 #include <sys/ethernet.h>
57 #include <net/wpa.h>
58 #include <sys/sysmacros.h>
59 
60 /*
61  * The linkprop get() callback.
62  * - pd: 	pointer to the prop_desc_t
63  * - propstrp:	a property string array to keep the returned property.
64  *		Caller allocated.
65  * - cntp:	number of returned properties.
66  *		Caller also uses it to indicate how many it expects.
67  */
68 struct prop_desc;
69 typedef struct prop_desc prop_desc_t;
70 
71 typedef dladm_status_t	pd_getf_t(dladm_handle_t, prop_desc_t *pdp,
72 			datalink_id_t, char **propstp, uint_t *cntp,
73 			datalink_media_t, uint_t, uint_t *);
74 
75 /*
76  * The linkprop set() callback.
77  * - propval:	a val_desc_t array which keeps the property values to be set.
78  * - cnt:	number of properties to be set.
79  * - flags: 	additional flags passed down the system call.
80  *
81  * pd_set takes val_desc_t given by pd_check(), translates it into
82  * a format suitable for kernel consumption. This may require allocation
83  * of ioctl buffers etc. pd_set() may call another common routine (used
84  * by all other pd_sets) which invokes the ioctl.
85  */
86 typedef dladm_status_t	pd_setf_t(dladm_handle_t, prop_desc_t *, datalink_id_t,
87 			    val_desc_t *propval, uint_t cnt, uint_t flags,
88 			    datalink_media_t);
89 
90 /*
91  * The linkprop check() callback.
92  * - propstrp:	property string array which keeps the property to be checked.
93  * - cnt:	number of properties.
94  * - propval:	return value; the property values of the given property strings.
95  *
96  * pd_check checks that the input values are valid. It does so by
97  * iteraring through the pd_modval list for the property. If
98  * the modifiable values cannot be expressed as a list, a pd_check
99  * specific to this property can be used. If the input values are
100  * verified to be valid, pd_check allocates a val_desc_t and fills it
101  * with either a val_desc_t found on the pd_modval list or something
102  * generated on the fly.
103  */
104 typedef dladm_status_t	pd_checkf_t(dladm_handle_t, prop_desc_t *pdp,
105 			    datalink_id_t, char **propstrp, uint_t cnt,
106 			    val_desc_t *propval, datalink_media_t);
107 
108 typedef struct link_attr_s {
109 	mac_prop_id_t	pp_id;
110 	size_t		pp_valsize;
111 	char		*pp_name;
112 } link_attr_t;
113 
114 static dld_ioc_macprop_t *i_dladm_buf_alloc_by_name(size_t, datalink_id_t,
115 			    const char *, uint_t, dladm_status_t *);
116 static dld_ioc_macprop_t *i_dladm_buf_alloc_by_id(size_t, datalink_id_t,
117 			    mac_prop_id_t, uint_t, dladm_status_t *);
118 static dld_ioc_macprop_t *i_dladm_get_public_prop(dladm_handle_t, datalink_id_t,
119 			    char *, uint_t, dladm_status_t *, uint_t *);
120 
121 static dladm_status_t i_dladm_set_prop(dladm_handle_t, datalink_id_t,
122 			    const char *, char **, uint_t, uint_t);
123 static dladm_status_t i_dladm_get_priv_prop(dladm_handle_t, datalink_id_t,
124 			    const char *, char **, uint_t *, dladm_prop_type_t,
125 			    uint_t);
126 static link_attr_t *dladm_name2prop(const char *);
127 static link_attr_t *dladm_id2prop(mac_prop_id_t);
128 
129 static pd_getf_t	do_get_zone, do_get_autopush, do_get_rate_mod,
130 			do_get_rate_prop, do_get_channel_prop,
131 			do_get_powermode_prop, do_get_radio_prop,
132 			i_dladm_duplex_get, i_dladm_status_get,
133 			i_dladm_binary_get, i_dladm_uint32_get,
134 			i_dladm_flowctl_get, i_dladm_maxbw_get,
135 			i_dladm_cpus_get, i_dladm_priority_get,
136 			i_dladm_tagmode_get;
137 
138 static pd_setf_t	do_set_zone, do_set_rate_prop,
139 			do_set_powermode_prop, do_set_radio_prop,
140 			i_dladm_set_public_prop, do_set_res, do_set_cpus;
141 
142 static pd_checkf_t	do_check_zone, do_check_autopush, do_check_rate,
143 			i_dladm_defmtu_check, do_check_maxbw, do_check_cpus,
144 			do_check_priority;
145 
146 static dladm_status_t	i_dladm_speed_get(dladm_handle_t, prop_desc_t *,
147 			    datalink_id_t, char **, uint_t *, uint_t, uint_t *);
148 static dladm_status_t	i_dladm_wlan_get_legacy_ioctl(dladm_handle_t,
149 			    datalink_id_t, void *, uint_t, uint_t);
150 static dladm_status_t	i_dladm_wlan_set_legacy_ioctl(dladm_handle_t,
151 			    datalink_id_t, void *, uint_t, uint_t);
152 static dladm_status_t	i_dladm_macprop(dladm_handle_t, void *, boolean_t);
153 static const char	*dladm_perm2str(uint_t, char *);
154 
155 struct prop_desc {
156 	/*
157 	 * link property name
158 	 */
159 	char			*pd_name;
160 
161 	/*
162 	 * default property value, can be set to { "", NULL }
163 	 */
164 	val_desc_t		pd_defval;
165 
166 	/*
167 	 * list of optional property values, can be NULL.
168 	 *
169 	 * This is set to non-NULL if there is a list of possible property
170 	 * values.  pd_optval would point to the array of possible values.
171 	 */
172 	val_desc_t		*pd_optval;
173 
174 	/*
175 	 * count of the above optional property values. 0 if pd_optval is NULL.
176 	 */
177 	uint_t			pd_noptval;
178 
179 	/*
180 	 * callback to set link property;
181 	 * set to NULL if this property is read-only
182 	 */
183 	pd_setf_t		*pd_set;
184 
185 	/*
186 	 * callback to get modifiable link property
187 	 */
188 	pd_getf_t		*pd_getmod;
189 
190 	/*
191 	 * callback to get current link property
192 	 */
193 	pd_getf_t		*pd_get;
194 
195 	/*
196 	 * callback to validate link property value, set to NULL if pd_optval
197 	 * is not NULL. In that case, validate the value by comparing it with
198 	 * the pd_optval. Return a val_desc_t array pointer if the value is
199 	 * valid.
200 	 */
201 	pd_checkf_t		*pd_check;
202 
203 	uint_t			pd_flags;
204 #define	PD_TEMPONLY	0x1	/* property is temporary only */
205 #define	PD_CHECK_ALLOC	0x2	/* alloc vd_val as part of pd_check */
206 	/*
207 	 * indicate link classes this property applies to.
208 	 */
209 	datalink_class_t	pd_class;
210 
211 	/*
212 	 * indicate link media type this property applies to.
213 	 */
214 	datalink_media_t	pd_dmedia;
215 };
216 
217 #define	MAC_PROP_BUFSIZE(v)	sizeof (dld_ioc_macprop_t) + (v) - 1
218 
219 /*
220  * Supported link properties enumerated in the prop_table[] array are
221  * computed using the callback functions in that array. To compute the
222  * property value, multiple distinct system calls may be needed (e.g.,
223  * for wifi speed, we need to issue system calls to get desired/supported
224  * rates). The link_attr[] table enumerates the interfaces to the kernel,
225  * and the type/size of the data passed in the user-kernel interface.
226  */
227 static link_attr_t link_attr[] = {
228 	{ MAC_PROP_DUPLEX,	sizeof (link_duplex_t),	"duplex"},
229 
230 	{ MAC_PROP_SPEED,	sizeof (uint64_t),	"speed"},
231 
232 	{ MAC_PROP_STATUS,	sizeof (link_state_t),	"state"},
233 
234 	{ MAC_PROP_AUTONEG,	sizeof (uint8_t),	"adv_autoneg_cap"},
235 
236 	{ MAC_PROP_MTU,		sizeof (uint32_t),	"mtu"},
237 
238 	{ MAC_PROP_FLOWCTRL,	sizeof (link_flowctrl_t), "flowctrl"},
239 
240 	{ MAC_PROP_ZONE,	sizeof (dld_ioc_zid_t),	"zone"},
241 
242 	{ MAC_PROP_AUTOPUSH,	sizeof (struct dlautopush), "autopush"},
243 
244 	{ MAC_PROP_ADV_1000FDX_CAP, sizeof (uint8_t),	"adv_1000fdx_cap"},
245 
246 	{ MAC_PROP_EN_1000FDX_CAP, sizeof (uint8_t),	"en_1000fdx_cap"},
247 
248 	{ MAC_PROP_ADV_1000HDX_CAP, sizeof (uint8_t),	"adv_1000hdx_cap"},
249 
250 	{ MAC_PROP_EN_1000HDX_CAP, sizeof (uint8_t),	"en_1000hdx_cap"},
251 
252 	{ MAC_PROP_ADV_100FDX_CAP, sizeof (uint8_t),	"adv_100fdx_cap"},
253 
254 	{ MAC_PROP_EN_100FDX_CAP, sizeof (uint8_t),	"en_100fdx_cap"},
255 
256 	{ MAC_PROP_ADV_100HDX_CAP, sizeof (uint8_t),	"adv_100hdx_cap"},
257 
258 	{ MAC_PROP_EN_100HDX_CAP, sizeof (uint8_t),	"en_100hdx_cap"},
259 
260 	{ MAC_PROP_ADV_10FDX_CAP, sizeof (uint8_t),	"adv_10fdx_cap"},
261 
262 	{ MAC_PROP_EN_10FDX_CAP, sizeof (uint8_t),	"en_10fdx_cap"},
263 
264 	{ MAC_PROP_ADV_10HDX_CAP, sizeof (uint8_t),	"adv_10hdx_cap"},
265 
266 	{ MAC_PROP_EN_10HDX_CAP, sizeof (uint8_t),	"en_10hdx_cap"},
267 
268 	{ MAC_PROP_WL_ESSID,	sizeof (wl_linkstatus_t), "essid"},
269 
270 	{ MAC_PROP_WL_BSSID,	sizeof (wl_bssid_t),	"bssid"},
271 
272 	{ MAC_PROP_WL_BSSTYPE,	sizeof (wl_bss_type_t),	"bsstype"},
273 
274 	{ MAC_PROP_WL_LINKSTATUS, sizeof (wl_linkstatus_t), "wl_linkstatus"},
275 
276 	/* wl_rates_t has variable length */
277 	{ MAC_PROP_WL_DESIRED_RATES, sizeof (wl_rates_t), "desired_rates"},
278 
279 	/* wl_rates_t has variable length */
280 	{ MAC_PROP_WL_SUPPORTED_RATES, sizeof (wl_rates_t), "supported_rates"},
281 
282 	{ MAC_PROP_WL_AUTH_MODE, sizeof (wl_authmode_t), "authmode"},
283 
284 	{ MAC_PROP_WL_ENCRYPTION, sizeof (wl_encryption_t), "encryption"},
285 
286 	{ MAC_PROP_WL_RSSI,	sizeof (wl_rssi_t),	"signal"},
287 
288 	{ MAC_PROP_WL_PHY_CONFIG, sizeof (wl_phy_conf_t), "phy_conf"},
289 
290 	{ MAC_PROP_WL_CAPABILITY, sizeof (wl_capability_t), "capability"},
291 
292 	{ MAC_PROP_WL_WPA,	sizeof (wl_wpa_t),	"wpa"},
293 
294 	/*  wl_wpa_ess_t has variable length */
295 	{ MAC_PROP_WL_SCANRESULTS, sizeof (wl_wpa_ess_t), "scan_results"},
296 
297 	{ MAC_PROP_WL_POWER_MODE, sizeof (wl_ps_mode_t), "powermode"},
298 
299 	{ MAC_PROP_WL_RADIO,	sizeof (dladm_wlan_radio_t), "wl_radio"},
300 
301 	{ MAC_PROP_WL_ESS_LIST, sizeof (wl_ess_list_t),	"wl_ess_list"},
302 
303 	{ MAC_PROP_WL_KEY_TAB,	sizeof (wl_wep_key_tab_t), "wl_wep_key"},
304 
305 	{ MAC_PROP_WL_CREATE_IBSS, sizeof (wl_create_ibss_t), "createibss"},
306 
307 	/* wl_wpa_ie_t has variable length */
308 	{ MAC_PROP_WL_SETOPTIE,	sizeof (wl_wpa_ie_t),	"set_ie"},
309 
310 	{ MAC_PROP_WL_DELKEY,	sizeof (wl_del_key_t),	"wpa_del_key"},
311 
312 	{ MAC_PROP_WL_KEY,	sizeof (wl_key_t),	"wl_key"},
313 
314 	{ MAC_PROP_WL_MLME,	sizeof (wl_mlme_t),	"mlme"},
315 
316 	{ MAC_PROP_MAXBW,	sizeof (mac_resource_props_t),	"maxbw"},
317 
318 	{ MAC_PROP_PRIO,	sizeof (mac_resource_props_t),	"priority"},
319 
320 	{ MAC_PROP_BIND_CPU,	sizeof (mac_resource_props_t),	"cpus"},
321 
322 	{ MAC_PROP_TAGMODE,	sizeof (link_tagmode_t),	"tagmode"},
323 
324 	{ MAC_PROP_PRIVATE,	0,			"driver-private"}
325 
326 };
327 
328 static  val_desc_t	link_duplex_vals[] = {
329 	{ "half", 	LINK_DUPLEX_HALF	},
330 	{ "full", 	LINK_DUPLEX_HALF	}
331 };
332 static  val_desc_t	link_status_vals[] = {
333 	{ "up",		LINK_STATE_UP		},
334 	{ "down",	LINK_STATE_DOWN		}
335 };
336 static  val_desc_t	link_01_vals[] = {
337 	{ "1",		1			},
338 	{ "0",		0			}
339 };
340 static  val_desc_t	link_flow_vals[] = {
341 	{ "no",		LINK_FLOWCTRL_NONE	},
342 	{ "tx",		LINK_FLOWCTRL_TX	},
343 	{ "rx",		LINK_FLOWCTRL_RX	},
344 	{ "bi",		LINK_FLOWCTRL_BI	}
345 };
346 static  val_desc_t	link_priority_vals[] = {
347 	{ "low",	MPL_LOW	},
348 	{ "medium",	MPL_MEDIUM	},
349 	{ "high",	MPL_HIGH	}
350 };
351 
352 static val_desc_t	link_tagmode_vals[] = {
353 	{ "normal",	LINK_TAGMODE_NORMAL	},
354 	{ "vlanonly",	LINK_TAGMODE_VLANONLY	}
355 };
356 
357 static val_desc_t	dladm_wlan_radio_vals[] = {
358 	{ "on",		DLADM_WLAN_RADIO_ON	},
359 	{ "off",	DLADM_WLAN_RADIO_OFF	}
360 };
361 
362 static val_desc_t	dladm_wlan_powermode_vals[] = {
363 	{ "off",	DLADM_WLAN_PM_OFF	},
364 	{ "fast",	DLADM_WLAN_PM_FAST	},
365 	{ "max",	DLADM_WLAN_PM_MAX	}
366 };
367 
368 #define	VALCNT(vals)    (sizeof ((vals)) / sizeof (val_desc_t))
369 #define	RESET_VAL	((uintptr_t)-1)
370 
371 static prop_desc_t	prop_table[] = {
372 	{ "channel",	{ NULL, 0 },
373 	    NULL, 0, NULL, NULL,
374 	    do_get_channel_prop, NULL, 0,
375 	    DATALINK_CLASS_PHYS, DL_WIFI },
376 
377 	{ "powermode",	{ "off", DLADM_WLAN_PM_OFF },
378 	    dladm_wlan_powermode_vals, VALCNT(dladm_wlan_powermode_vals),
379 	    do_set_powermode_prop, NULL,
380 	    do_get_powermode_prop, NULL, 0,
381 	    DATALINK_CLASS_PHYS, DL_WIFI },
382 
383 	{ "radio",	{ "on", DLADM_WLAN_RADIO_ON },
384 	    dladm_wlan_radio_vals, VALCNT(dladm_wlan_radio_vals),
385 	    do_set_radio_prop, NULL,
386 	    do_get_radio_prop, NULL, 0,
387 	    DATALINK_CLASS_PHYS, DL_WIFI },
388 
389 	{ "speed",	{ "", 0 }, NULL, 0,
390 	    do_set_rate_prop, do_get_rate_mod,
391 	    do_get_rate_prop, do_check_rate, 0,
392 	    DATALINK_CLASS_PHYS, DATALINK_ANY_MEDIATYPE },
393 
394 	{ "autopush",	{ "", 0 }, NULL, 0,
395 	    i_dladm_set_public_prop, NULL,
396 	    do_get_autopush, do_check_autopush, PD_CHECK_ALLOC,
397 	    DATALINK_CLASS_ALL, DATALINK_ANY_MEDIATYPE },
398 
399 	{ "zone",	{ "", 0 }, NULL, 0,
400 	    do_set_zone, NULL,
401 	    do_get_zone, do_check_zone, PD_TEMPONLY|PD_CHECK_ALLOC,
402 	    DATALINK_CLASS_ALL, DATALINK_ANY_MEDIATYPE },
403 
404 	{ "duplex",	{ "", 0 },
405 	    link_duplex_vals, VALCNT(link_duplex_vals),
406 	    NULL, NULL, i_dladm_duplex_get, NULL,
407 	    0, DATALINK_CLASS_PHYS, DL_ETHER },
408 
409 	{ "state",	{ "up", LINK_STATE_UP },
410 	    link_status_vals, VALCNT(link_status_vals),
411 	    NULL, NULL, i_dladm_status_get, NULL,
412 	    0, DATALINK_CLASS_ALL, DATALINK_ANY_MEDIATYPE },
413 
414 	{ "adv_autoneg_cap", { "1", 1 },
415 	    link_01_vals, VALCNT(link_01_vals),
416 	    i_dladm_set_public_prop, NULL, i_dladm_binary_get, NULL,
417 	    0, DATALINK_CLASS_PHYS, DL_ETHER },
418 
419 	{ "mtu", { "", 0 }, NULL, 0,
420 	    i_dladm_set_public_prop, NULL, i_dladm_uint32_get,
421 	    i_dladm_defmtu_check, 0, DATALINK_CLASS_ALL,
422 	    DATALINK_ANY_MEDIATYPE },
423 
424 	{ "flowctrl", { "", 0 },
425 	    link_flow_vals, VALCNT(link_flow_vals),
426 	    i_dladm_set_public_prop, NULL, i_dladm_flowctl_get, NULL,
427 	    0, DATALINK_CLASS_PHYS, DL_ETHER },
428 
429 	{ "adv_1000fdx_cap", { "", 0 },
430 	    link_01_vals, VALCNT(link_01_vals),
431 	    NULL, NULL, i_dladm_binary_get, NULL,
432 	    0, DATALINK_CLASS_PHYS, DL_ETHER },
433 
434 	{ "en_1000fdx_cap", { "", 0 },
435 	    link_01_vals, VALCNT(link_01_vals),
436 	    i_dladm_set_public_prop, NULL, i_dladm_binary_get, NULL,
437 	    0, DATALINK_CLASS_PHYS, DL_ETHER },
438 
439 	{ "adv_1000hdx_cap", { "", 0 },
440 	    link_01_vals, VALCNT(link_01_vals),
441 	    NULL, NULL, i_dladm_binary_get, NULL,
442 	    0, DATALINK_CLASS_PHYS, DL_ETHER },
443 
444 	{ "en_1000hdx_cap", { "", 0 },
445 	    link_01_vals, VALCNT(link_01_vals),
446 	    i_dladm_set_public_prop, NULL, i_dladm_binary_get, NULL,
447 	    0, DATALINK_CLASS_PHYS, DL_ETHER },
448 
449 	{ "adv_100fdx_cap", { "", 0 },
450 	    link_01_vals, VALCNT(link_01_vals),
451 	    NULL, NULL, i_dladm_binary_get, NULL,
452 	    0, DATALINK_CLASS_PHYS, DL_ETHER },
453 
454 	{ "en_100fdx_cap", { "", 0 },
455 	    link_01_vals, VALCNT(link_01_vals),
456 	    i_dladm_set_public_prop, NULL, i_dladm_binary_get, NULL,
457 	    0, DATALINK_CLASS_PHYS, DL_ETHER },
458 
459 	{ "adv_100hdx_cap", { "", 0 },
460 	    link_01_vals, VALCNT(link_01_vals),
461 	    NULL, NULL, i_dladm_binary_get, NULL,
462 	    0, DATALINK_CLASS_PHYS, DL_ETHER },
463 
464 	{ "en_100hdx_cap", { "", 0 },
465 	    link_01_vals, VALCNT(link_01_vals),
466 	    i_dladm_set_public_prop, NULL, i_dladm_binary_get, NULL,
467 	    0, DATALINK_CLASS_PHYS, DL_ETHER },
468 
469 	{ "adv_10fdx_cap", { "", 0 },
470 	    link_01_vals, VALCNT(link_01_vals),
471 	    NULL, NULL, i_dladm_binary_get, NULL,
472 	    0, DATALINK_CLASS_PHYS, DL_ETHER },
473 
474 	{ "en_10fdx_cap", { "", 0 },
475 	    link_01_vals, VALCNT(link_01_vals),
476 	    i_dladm_set_public_prop, NULL, i_dladm_binary_get, NULL,
477 	    0, DATALINK_CLASS_PHYS, DL_ETHER },
478 
479 	{ "adv_10hdx_cap", { "", 0 },
480 	    link_01_vals, VALCNT(link_01_vals),
481 	    NULL, NULL, i_dladm_binary_get, NULL,
482 	    0, DATALINK_CLASS_PHYS, DL_ETHER },
483 
484 	{ "en_10hdx_cap", { "", 0 },
485 	    link_01_vals, VALCNT(link_01_vals),
486 	    i_dladm_set_public_prop, NULL, i_dladm_binary_get, NULL,
487 	    0, DATALINK_CLASS_PHYS, DL_ETHER },
488 
489 	{ "maxbw", { "--", RESET_VAL }, NULL, 0,
490 	    do_set_res, NULL,
491 	    i_dladm_maxbw_get, do_check_maxbw, PD_CHECK_ALLOC,
492 	    DATALINK_CLASS_ALL, DATALINK_ANY_MEDIATYPE },
493 
494 	{ "cpus", { "--", RESET_VAL }, NULL, 0,
495 	    do_set_cpus, NULL,
496 	    i_dladm_cpus_get, do_check_cpus, 0,
497 	    DATALINK_CLASS_ALL, DATALINK_ANY_MEDIATYPE },
498 
499 	{ "priority", { "high", RESET_VAL },
500 	    link_priority_vals, VALCNT(link_priority_vals), do_set_res, NULL,
501 	    i_dladm_priority_get, do_check_priority, PD_CHECK_ALLOC,
502 	    DATALINK_CLASS_ALL, DATALINK_ANY_MEDIATYPE },
503 
504 	{ "tagmode", { "vlanonly", LINK_TAGMODE_VLANONLY },
505 	    link_tagmode_vals, VALCNT(link_tagmode_vals),
506 	    i_dladm_set_public_prop, NULL, i_dladm_tagmode_get,
507 	    NULL, 0,
508 	    DATALINK_CLASS_PHYS | DATALINK_CLASS_AGGR | DATALINK_CLASS_VNIC,
509 	    DL_ETHER }
510 };
511 
512 #define	DLADM_MAX_PROPS	(sizeof (prop_table) / sizeof (prop_desc_t))
513 
514 static resource_prop_t rsrc_prop_table[] = {
515 	{"maxbw",	do_extract_maxbw},
516 	{"priority",	do_extract_priority},
517 	{"cpus",	do_extract_cpus}
518 };
519 #define	DLADM_MAX_RSRC_PROP (sizeof (rsrc_prop_table) / \
520 	sizeof (resource_prop_t))
521 
522 /*
523  * when retrieving  private properties, we pass down a buffer with
524  * DLADM_PROP_BUF_CHUNK of space for the driver to return the property value.
525  */
526 #define	DLADM_PROP_BUF_CHUNK	1024
527 
528 static dladm_status_t	i_dladm_set_linkprop_db(dladm_handle_t, datalink_id_t,
529 			    const char *, char **, uint_t);
530 static dladm_status_t	i_dladm_get_linkprop_db(dladm_handle_t, datalink_id_t,
531 			    const char *, char **, uint_t *);
532 static dladm_status_t	i_dladm_walk_linkprop_priv_db(dladm_handle_t,
533 			    datalink_id_t, void *, int (*)(dladm_handle_t,
534 			    datalink_id_t, const char *, void *));
535 static dladm_status_t	i_dladm_set_single_prop(dladm_handle_t, datalink_id_t,
536 			    datalink_class_t, uint32_t, prop_desc_t *, char **,
537 			    uint_t, uint_t);
538 static dladm_status_t	i_dladm_set_linkprop(dladm_handle_t, datalink_id_t,
539 			    const char *, char **, uint_t, uint_t);
540 static dladm_status_t	i_dladm_getset_defval(dladm_handle_t, prop_desc_t *,
541 			    datalink_id_t, datalink_media_t, uint_t);
542 
543 /*
544  * Unfortunately, MAX_SCAN_SUPPORT_RATES is too small to allow all
545  * rates to be retrieved. However, we cannot increase it at this
546  * time because it will break binary compatibility with unbundled
547  * WiFi drivers and utilities. So for now we define an additional
548  * constant, MAX_SUPPORT_RATES, to allow all rates to be retrieved.
549  */
550 #define	MAX_SUPPORT_RATES	64
551 
552 #define	AP_ANCHOR	"[anchor]"
553 #define	AP_DELIMITER	'.'
554 
555 static dladm_status_t
556 do_check_prop(prop_desc_t *pdp, char **prop_val, uint_t val_cnt,
557     val_desc_t *vdp)
558 {
559 	int		i, j;
560 	dladm_status_t	status = DLADM_STATUS_OK;
561 
562 	for (j = 0; j < val_cnt; j++) {
563 		for (i = 0; i < pdp->pd_noptval; i++) {
564 			if (strcasecmp(*prop_val,
565 			    pdp->pd_optval[i].vd_name) == 0) {
566 				break;
567 			}
568 		}
569 		if (i == pdp->pd_noptval) {
570 			status = DLADM_STATUS_BADVAL;
571 			goto done;
572 		}
573 		(void) memcpy(vdp + j, &pdp->pd_optval[i], sizeof (val_desc_t));
574 	}
575 
576 done:
577 	return (status);
578 }
579 
580 static dladm_status_t
581 i_dladm_set_single_prop(dladm_handle_t handle, datalink_id_t linkid,
582     datalink_class_t class, uint32_t media, prop_desc_t *pdp, char **prop_val,
583     uint_t val_cnt, uint_t flags)
584 {
585 	dladm_status_t	status = DLADM_STATUS_OK;
586 	val_desc_t	*vdp = NULL;
587 	boolean_t	needfree = B_FALSE;
588 	uint_t		cnt, i;
589 
590 	if (!(pdp->pd_class & class))
591 		return (DLADM_STATUS_BADARG);
592 
593 	if (!DATALINK_MEDIA_ACCEPTED(pdp->pd_dmedia, media))
594 		return (DLADM_STATUS_BADARG);
595 
596 	if ((flags & DLADM_OPT_PERSIST) && (pdp->pd_flags & PD_TEMPONLY))
597 		return (DLADM_STATUS_TEMPONLY);
598 
599 	if (!(flags & DLADM_OPT_ACTIVE))
600 		return (DLADM_STATUS_OK);
601 
602 	if (pdp->pd_set == NULL)
603 		return (DLADM_STATUS_PROPRDONLY);
604 
605 	if (prop_val != NULL) {
606 		vdp = malloc(sizeof (val_desc_t) * val_cnt);
607 		if (vdp == NULL)
608 			return (DLADM_STATUS_NOMEM);
609 
610 		if (pdp->pd_check != NULL) {
611 			needfree = ((pdp->pd_flags & PD_CHECK_ALLOC) != 0);
612 			status = pdp->pd_check(handle, pdp, linkid, prop_val,
613 			    val_cnt, vdp, media);
614 		} else if (pdp->pd_optval != NULL) {
615 			status = do_check_prop(pdp, prop_val, val_cnt, vdp);
616 		} else {
617 			status = DLADM_STATUS_BADARG;
618 		}
619 
620 		if (status != DLADM_STATUS_OK)
621 			goto done;
622 
623 		cnt = val_cnt;
624 	} else {
625 		boolean_t	defval = B_FALSE;
626 
627 		if (pdp->pd_defval.vd_name == NULL)
628 			return (DLADM_STATUS_NOTSUP);
629 
630 		cnt = 1;
631 		defval = (strlen(pdp->pd_defval.vd_name) > 0);
632 		if ((pdp->pd_flags & PD_CHECK_ALLOC) != 0 || defval) {
633 			if ((vdp = malloc(sizeof (val_desc_t))) == NULL)
634 				return (DLADM_STATUS_NOMEM);
635 
636 			if (defval) {
637 				(void) memcpy(vdp, &pdp->pd_defval,
638 				    sizeof (val_desc_t));
639 			} else if (pdp->pd_check != NULL) {
640 				status = pdp->pd_check(handle, pdp, linkid,
641 				    prop_val, cnt, vdp, media);
642 				if (status != DLADM_STATUS_OK)
643 					goto done;
644 			}
645 		} else {
646 			status = i_dladm_getset_defval(handle, pdp, linkid,
647 			    media, flags);
648 			return (status);
649 		}
650 	}
651 	status = pdp->pd_set(handle, pdp, linkid, vdp, cnt, flags, media);
652 	if (needfree) {
653 		for (i = 0; i < cnt; i++)
654 			free((void *)((val_desc_t *)vdp + i)->vd_val);
655 	}
656 done:
657 	free(vdp);
658 	return (status);
659 }
660 
661 static dladm_status_t
662 i_dladm_set_linkprop(dladm_handle_t handle, datalink_id_t linkid,
663     const char *prop_name, char **prop_val, uint_t val_cnt, uint_t flags)
664 {
665 	int			i;
666 	boolean_t		found = B_FALSE;
667 	datalink_class_t	class;
668 	uint32_t		media;
669 	dladm_status_t		status = DLADM_STATUS_OK;
670 
671 	status = dladm_datalink_id2info(handle, linkid, NULL, &class, &media,
672 	    NULL, 0);
673 	if (status != DLADM_STATUS_OK)
674 		return (status);
675 
676 	for (i = 0; i < DLADM_MAX_PROPS; i++) {
677 		prop_desc_t	*pdp = &prop_table[i];
678 		dladm_status_t	s;
679 
680 		if (prop_name != NULL &&
681 		    (strcasecmp(prop_name, pdp->pd_name) != 0))
682 			continue;
683 		found = B_TRUE;
684 		s = i_dladm_set_single_prop(handle, linkid, class, media, pdp,
685 		    prop_val, val_cnt, flags);
686 
687 		if (prop_name != NULL) {
688 			status = s;
689 			break;
690 		} else {
691 			if (s != DLADM_STATUS_OK &&
692 			    s != DLADM_STATUS_NOTSUP)
693 				status = s;
694 		}
695 	}
696 	if (!found) {
697 		if (prop_name[0] == '_') {
698 			/* other private properties */
699 			status = i_dladm_set_prop(handle, linkid, prop_name,
700 			    prop_val, val_cnt, flags);
701 		} else  {
702 			status = DLADM_STATUS_NOTFOUND;
703 		}
704 	}
705 
706 	return (status);
707 }
708 
709 /*
710  * Set/reset link property for specific link
711  */
712 dladm_status_t
713 dladm_set_linkprop(dladm_handle_t handle, datalink_id_t linkid,
714     const char *prop_name, char **prop_val, uint_t val_cnt, uint_t flags)
715 {
716 	dladm_status_t	status = DLADM_STATUS_OK;
717 
718 	if ((linkid == DATALINK_INVALID_LINKID) || (flags == 0) ||
719 	    (prop_val == NULL && val_cnt > 0) ||
720 	    (prop_val != NULL && val_cnt == 0) ||
721 	    (prop_name == NULL && prop_val != NULL)) {
722 		return (DLADM_STATUS_BADARG);
723 	}
724 
725 	status = i_dladm_set_linkprop(handle, linkid, prop_name, prop_val,
726 	    val_cnt, flags);
727 	if (status != DLADM_STATUS_OK)
728 		return (status);
729 
730 	if (flags & DLADM_OPT_PERSIST) {
731 		status = i_dladm_set_linkprop_db(handle, linkid, prop_name,
732 		    prop_val, val_cnt);
733 	}
734 	return (status);
735 }
736 
737 /*
738  * Walk all link properties of the given specific link.
739  *
740  * Note: this function currently lacks the ability to walk _all_ private
741  * properties if the link, because there is no kernel interface to
742  * retrieve all known private property names. Once such an interface
743  * is added, this function should be fixed accordingly.
744  */
745 dladm_status_t
746 dladm_walk_linkprop(dladm_handle_t handle, datalink_id_t linkid, void *arg,
747     int (*func)(dladm_handle_t, datalink_id_t, const char *, void *))
748 {
749 	dladm_status_t		status;
750 	datalink_class_t	class;
751 	uint_t			media;
752 	int			i;
753 
754 	if (linkid == DATALINK_INVALID_LINKID || func == NULL)
755 		return (DLADM_STATUS_BADARG);
756 
757 	status = dladm_datalink_id2info(handle, linkid, NULL, &class, &media,
758 	    NULL, 0);
759 	if (status != DLADM_STATUS_OK)
760 		return (status);
761 
762 	/* public */
763 	for (i = 0; i < DLADM_MAX_PROPS; i++) {
764 		if (!(prop_table[i].pd_class & class))
765 			continue;
766 
767 		if (!DATALINK_MEDIA_ACCEPTED(prop_table[i].pd_dmedia, media))
768 			continue;
769 
770 		if (func(handle, linkid, prop_table[i].pd_name, arg) ==
771 		    DLADM_WALK_TERMINATE) {
772 			break;
773 		}
774 	}
775 
776 	/* private */
777 	status = i_dladm_walk_linkprop_priv_db(handle, linkid, arg, func);
778 
779 	return (status);
780 }
781 
782 /*
783  * Get linkprop of the given specific link.
784  */
785 dladm_status_t
786 dladm_get_linkprop(dladm_handle_t handle, datalink_id_t linkid,
787     dladm_prop_type_t type, const char *prop_name, char **prop_val,
788     uint_t *val_cntp)
789 {
790 	dladm_status_t		status = DLADM_STATUS_OK;
791 	datalink_class_t	class;
792 	uint_t			media;
793 	prop_desc_t		*pdp;
794 	uint_t			cnt, dld_flags = 0;
795 	int			i;
796 	uint_t			perm_flags;
797 
798 	if (type == DLADM_PROP_VAL_DEFAULT)
799 		dld_flags = MAC_PROP_DEFAULT;
800 
801 	if (linkid == DATALINK_INVALID_LINKID || prop_name == NULL ||
802 	    prop_val == NULL || val_cntp == NULL || *val_cntp == 0)
803 		return (DLADM_STATUS_BADARG);
804 
805 	for (i = 0; i < DLADM_MAX_PROPS; i++)
806 		if (strcasecmp(prop_name, prop_table[i].pd_name) == 0)
807 			break;
808 
809 	if (i == DLADM_MAX_PROPS) {
810 		if (prop_name[0] == '_') {
811 			/*
812 			 * private property.
813 			 */
814 			if (type == DLADM_PROP_VAL_PERSISTENT)
815 				return (i_dladm_get_linkprop_db(handle, linkid,
816 				    prop_name, prop_val, val_cntp));
817 			else
818 				return (i_dladm_get_priv_prop(handle, linkid,
819 				    prop_name, prop_val, val_cntp, type,
820 				    dld_flags));
821 		} else {
822 			return (DLADM_STATUS_NOTFOUND);
823 		}
824 	}
825 
826 	pdp = &prop_table[i];
827 
828 	status = dladm_datalink_id2info(handle, linkid, NULL, &class, &media,
829 	    NULL, 0);
830 	if (status != DLADM_STATUS_OK)
831 		return (status);
832 
833 	if (!(pdp->pd_class & class))
834 		return (DLADM_STATUS_BADARG);
835 
836 	if (!DATALINK_MEDIA_ACCEPTED(pdp->pd_dmedia, media))
837 		return (DLADM_STATUS_BADARG);
838 
839 	switch (type) {
840 	case DLADM_PROP_VAL_CURRENT:
841 		status = pdp->pd_get(handle, pdp, linkid, prop_val, val_cntp,
842 		    media, dld_flags, &perm_flags);
843 		break;
844 
845 	case DLADM_PROP_VAL_PERM:
846 		if (pdp->pd_set == NULL) {
847 			perm_flags = MAC_PROP_PERM_READ;
848 		} else {
849 			status = pdp->pd_get(handle, pdp, linkid, prop_val,
850 			    val_cntp, media, dld_flags, &perm_flags);
851 		}
852 
853 		*prop_val[0] = '\0';
854 		*val_cntp = 1;
855 		if (status == DLADM_STATUS_OK)
856 			(void) dladm_perm2str(perm_flags, *prop_val);
857 		break;
858 
859 	case DLADM_PROP_VAL_DEFAULT:
860 		/*
861 		 * If defaults are not defined for the property,
862 		 * pd_defval.vd_name should be null. If the driver
863 		 * has to be contacted for the value, vd_name should
864 		 * be the empty string (""). Otherwise, dladm will
865 		 * just print whatever is in the table.
866 		 */
867 		if (pdp->pd_defval.vd_name == NULL) {
868 			status = DLADM_STATUS_NOTSUP;
869 			break;
870 		}
871 
872 		if (strlen(pdp->pd_defval.vd_name) == 0) {
873 			status = pdp->pd_get(handle, pdp, linkid, prop_val,
874 			    val_cntp, media, dld_flags, &perm_flags);
875 		} else {
876 			(void) strcpy(*prop_val, pdp->pd_defval.vd_name);
877 		}
878 		*val_cntp = 1;
879 		break;
880 
881 	case DLADM_PROP_VAL_MODIFIABLE:
882 		if (pdp->pd_getmod != NULL) {
883 			status = pdp->pd_getmod(handle, pdp, linkid, prop_val,
884 			    val_cntp, media, dld_flags, &perm_flags);
885 			break;
886 		}
887 		cnt = pdp->pd_noptval;
888 		if (cnt == 0) {
889 			status = DLADM_STATUS_NOTSUP;
890 		} else if (cnt > *val_cntp) {
891 			status = DLADM_STATUS_TOOSMALL;
892 		} else {
893 			for (i = 0; i < cnt; i++) {
894 				(void) strcpy(prop_val[i],
895 				    pdp->pd_optval[i].vd_name);
896 			}
897 			*val_cntp = cnt;
898 		}
899 		break;
900 	case DLADM_PROP_VAL_PERSISTENT:
901 		if (pdp->pd_flags & PD_TEMPONLY)
902 			return (DLADM_STATUS_TEMPONLY);
903 		status = i_dladm_get_linkprop_db(handle, linkid, prop_name,
904 		    prop_val, val_cntp);
905 		break;
906 	default:
907 		status = DLADM_STATUS_BADARG;
908 		break;
909 	}
910 
911 	return (status);
912 }
913 
914 /*ARGSUSED*/
915 static int
916 i_dladm_init_one_prop(dladm_handle_t handle, datalink_id_t linkid,
917     const char *prop_name, void *arg)
918 {
919 	char	*buf, **propvals;
920 	uint_t	i, valcnt = DLADM_MAX_PROP_VALCNT;
921 
922 	if ((buf = malloc((sizeof (char *) + DLADM_PROP_VAL_MAX) *
923 	    DLADM_MAX_PROP_VALCNT)) == NULL) {
924 		return (DLADM_WALK_CONTINUE);
925 	}
926 
927 	propvals = (char **)(void *)buf;
928 	for (i = 0; i < valcnt; i++) {
929 		propvals[i] = buf +
930 		    sizeof (char *) * DLADM_MAX_PROP_VALCNT +
931 		    i * DLADM_PROP_VAL_MAX;
932 	}
933 
934 	if (dladm_get_linkprop(handle, linkid, DLADM_PROP_VAL_PERSISTENT,
935 	    prop_name, propvals, &valcnt) != DLADM_STATUS_OK) {
936 		goto done;
937 	}
938 
939 	(void) dladm_set_linkprop(handle, linkid, prop_name, propvals, valcnt,
940 	    DLADM_OPT_ACTIVE);
941 
942 done:
943 	if (buf != NULL)
944 		free(buf);
945 
946 	return (DLADM_WALK_CONTINUE);
947 }
948 
949 /*ARGSUSED*/
950 static int
951 i_dladm_init_linkprop(dladm_handle_t handle, datalink_id_t linkid, void *arg)
952 {
953 	datalink_class_t	class;
954 	dladm_status_t		status;
955 
956 	status = dladm_datalink_id2info(handle, linkid, NULL, &class, NULL,
957 	    NULL, 0);
958 	if (status != DLADM_STATUS_OK)
959 		return (DLADM_WALK_TERMINATE);
960 
961 	if ((class & (DATALINK_CLASS_VNIC | DATALINK_CLASS_VLAN)) == 0)
962 		(void) dladm_init_linkprop(handle, linkid, B_TRUE);
963 
964 	return (DLADM_WALK_CONTINUE);
965 }
966 
967 dladm_status_t
968 dladm_init_linkprop(dladm_handle_t handle, datalink_id_t linkid,
969     boolean_t any_media)
970 {
971 	datalink_media_t	dmedia;
972 	uint32_t		media;
973 
974 	dmedia = any_media ? DATALINK_ANY_MEDIATYPE : DL_WIFI;
975 
976 	if (linkid == DATALINK_ALL_LINKID) {
977 		(void) dladm_walk_datalink_id(i_dladm_init_linkprop, handle,
978 		    NULL, DATALINK_CLASS_ALL, dmedia, DLADM_OPT_PERSIST);
979 	} else if (any_media ||
980 	    ((dladm_datalink_id2info(handle, linkid, NULL, NULL, &media, NULL,
981 	    0) == DLADM_STATUS_OK) &&
982 	    DATALINK_MEDIA_ACCEPTED(dmedia, media))) {
983 		(void) dladm_walk_linkprop(handle, linkid, NULL,
984 		    i_dladm_init_one_prop);
985 	}
986 	return (DLADM_STATUS_OK);
987 }
988 
989 /* ARGSUSED */
990 static dladm_status_t
991 do_get_zone(dladm_handle_t handle, prop_desc_t *pdp, datalink_id_t linkid,
992     char **prop_val, uint_t *val_cnt, datalink_media_t media,
993     uint_t flags, uint_t *perm_flags)
994 {
995 	char			zone_name[ZONENAME_MAX];
996 	zoneid_t		zid;
997 	dladm_status_t		status;
998 	char			*cp;
999 	dld_ioc_macprop_t	*dip;
1000 
1001 	if (flags != 0)
1002 		return (DLADM_STATUS_NOTSUP);
1003 
1004 	dip = i_dladm_get_public_prop(handle, linkid, pdp->pd_name, flags,
1005 	    &status, perm_flags);
1006 	if (status != DLADM_STATUS_OK)
1007 		return (status);
1008 
1009 	cp = dip->pr_val;
1010 	(void) memcpy(&zid, cp, sizeof (zid));
1011 	free(dip);
1012 
1013 	*val_cnt = 1;
1014 	if (zid != GLOBAL_ZONEID) {
1015 		if (getzonenamebyid(zid, zone_name, sizeof (zone_name)) < 0) {
1016 			return (dladm_errno2status(errno));
1017 		}
1018 
1019 		(void) strncpy(*prop_val, zone_name, DLADM_PROP_VAL_MAX);
1020 	} else {
1021 		*prop_val[0] = '\0';
1022 	}
1023 
1024 	return (DLADM_STATUS_OK);
1025 }
1026 
1027 typedef int (*zone_get_devroot_t)(char *, char *, size_t);
1028 
1029 static int
1030 i_dladm_get_zone_dev(char *zone_name, char *dev, size_t devlen)
1031 {
1032 	char			root[MAXPATHLEN];
1033 	zone_get_devroot_t	real_zone_get_devroot;
1034 	void			*dlhandle;
1035 	void			*sym;
1036 	int			ret;
1037 
1038 	if ((dlhandle = dlopen("libzonecfg.so.1", RTLD_LAZY)) == NULL)
1039 		return (-1);
1040 
1041 	if ((sym = dlsym(dlhandle, "zone_get_devroot")) == NULL) {
1042 		(void) dlclose(dlhandle);
1043 		return (-1);
1044 	}
1045 
1046 	real_zone_get_devroot = (zone_get_devroot_t)sym;
1047 
1048 	if ((ret = real_zone_get_devroot(zone_name, root, sizeof (root))) == 0)
1049 		(void) snprintf(dev, devlen, "%s%s", root, "/dev");
1050 	(void) dlclose(dlhandle);
1051 	return (ret);
1052 }
1053 
1054 static dladm_status_t
1055 i_dladm_update_deventry(dladm_handle_t handle, zoneid_t zid,
1056     datalink_id_t linkid, boolean_t add)
1057 {
1058 	char		path[MAXPATHLEN];
1059 	char		name[MAXLINKNAMELEN];
1060 	di_prof_t	prof = NULL;
1061 	char		zone_name[ZONENAME_MAX];
1062 	dladm_status_t	status;
1063 	int		ret;
1064 
1065 	if (getzonenamebyid(zid, zone_name, sizeof (zone_name)) < 0)
1066 		return (dladm_errno2status(errno));
1067 	if (i_dladm_get_zone_dev(zone_name, path, sizeof (path)) != 0)
1068 		return (dladm_errno2status(errno));
1069 	if (di_prof_init(path, &prof) != 0)
1070 		return (dladm_errno2status(errno));
1071 
1072 	status = dladm_linkid2legacyname(handle, linkid, name, MAXLINKNAMELEN);
1073 	if (status != DLADM_STATUS_OK)
1074 		goto cleanup;
1075 
1076 	if (add)
1077 		ret = di_prof_add_dev(prof, name);
1078 	else
1079 		ret = di_prof_add_exclude(prof, name);
1080 
1081 	if (ret != 0) {
1082 		status = dladm_errno2status(errno);
1083 		goto cleanup;
1084 	}
1085 
1086 	if (di_prof_commit(prof) != 0)
1087 		status = dladm_errno2status(errno);
1088 cleanup:
1089 	if (prof)
1090 		di_prof_fini(prof);
1091 
1092 	return (status);
1093 }
1094 
1095 /* ARGSUSED */
1096 static dladm_status_t
1097 do_set_zone(dladm_handle_t handle, prop_desc_t *pdp, datalink_id_t linkid,
1098     val_desc_t *vdp, uint_t val_cnt, uint_t flags, datalink_media_t media)
1099 {
1100 	dladm_status_t		status = DLADM_STATUS_OK;
1101 	zoneid_t		zid_old, zid_new;
1102 	char			link[MAXLINKNAMELEN];
1103 	char			*cp;
1104 	dld_ioc_macprop_t	*dip;
1105 	dld_ioc_zid_t		*dzp;
1106 
1107 	if (val_cnt != 1)
1108 		return (DLADM_STATUS_BADVALCNT);
1109 
1110 	dzp = (dld_ioc_zid_t *)vdp->vd_val;
1111 
1112 	dip = i_dladm_get_public_prop(handle, linkid, pdp->pd_name, flags,
1113 	    &status, NULL);
1114 	if (status != DLADM_STATUS_OK)
1115 		return (status);
1116 
1117 	cp = dip->pr_val;
1118 	(void) memcpy(&zid_old, cp, sizeof (zid_old));
1119 	free(dip);
1120 
1121 	zid_new = dzp->diz_zid;
1122 	(void) strlcpy(link, dzp->diz_link, MAXLINKNAMELEN);
1123 
1124 	/* Do nothing if setting to current value */
1125 	if (zid_new == zid_old)
1126 		return (status);
1127 
1128 	if (zid_new != GLOBAL_ZONEID) {
1129 		/*
1130 		 * If the new zoneid is the global zone, we could destroy
1131 		 * the link (in the case of an implicitly-created VLAN) as a
1132 		 * result of setting the zoneid. In that case, we defer the
1133 		 * operation to the end of this function to avoid recreating
1134 		 * the VLAN and getting a different linkid during the rollback
1135 		 * if other operation fails.
1136 		 *
1137 		 * Otherwise, this operation will hold a reference to the
1138 		 * link and prevent a link renaming, so we need to do it
1139 		 * before other operations.
1140 		 */
1141 		status = i_dladm_set_public_prop(handle, pdp, linkid, vdp,
1142 		    val_cnt, flags, media);
1143 		if (status != DLADM_STATUS_OK)
1144 			return (status);
1145 	}
1146 
1147 	if (zid_old != GLOBAL_ZONEID) {
1148 		if (zone_remove_datalink(zid_old, link) != 0 &&
1149 		    errno != ENXIO) {
1150 			status = dladm_errno2status(errno);
1151 			goto rollback1;
1152 		}
1153 
1154 		/*
1155 		 * It is okay to fail to update the /dev entry (some
1156 		 * vanity-named links do not have a /dev entry).
1157 		 */
1158 		(void) i_dladm_update_deventry(handle, zid_old, linkid,
1159 		    B_FALSE);
1160 	}
1161 
1162 	if (zid_new != GLOBAL_ZONEID) {
1163 		if (zone_add_datalink(zid_new, link) != 0) {
1164 			status = dladm_errno2status(errno);
1165 			goto rollback2;
1166 		}
1167 
1168 		(void) i_dladm_update_deventry(handle, zid_new, linkid, B_TRUE);
1169 	} else {
1170 		status = i_dladm_set_public_prop(handle, pdp, linkid, vdp,
1171 		    val_cnt, flags, media);
1172 		if (status != DLADM_STATUS_OK)
1173 			goto rollback2;
1174 	}
1175 
1176 	return (DLADM_STATUS_OK);
1177 
1178 rollback2:
1179 	if (zid_old != GLOBAL_ZONEID)
1180 		(void) i_dladm_update_deventry(handle, zid_old, linkid, B_TRUE);
1181 	if (zid_old != GLOBAL_ZONEID)
1182 		(void) zone_add_datalink(zid_old, link);
1183 rollback1:
1184 	if (zid_new != GLOBAL_ZONEID) {
1185 		dzp->diz_zid = zid_old;
1186 		(void) i_dladm_set_public_prop(handle, pdp, linkid, vdp,
1187 		    val_cnt, flags, media);
1188 	}
1189 
1190 	return (status);
1191 }
1192 
1193 /* ARGSUSED */
1194 static dladm_status_t
1195 do_check_zone(dladm_handle_t handle, prop_desc_t *pdp, datalink_id_t linkid,
1196     char **prop_val, uint_t val_cnt, val_desc_t *vdp, datalink_media_t media)
1197 {
1198 	char		*zone_name;
1199 	char		linkname[MAXLINKNAMELEN];
1200 	zoneid_t	zoneid;
1201 	dladm_status_t	status = DLADM_STATUS_OK;
1202 	dld_ioc_zid_t	*dzp;
1203 
1204 	if (val_cnt != 1)
1205 		return (DLADM_STATUS_BADVALCNT);
1206 
1207 	dzp = malloc(sizeof (dld_ioc_zid_t));
1208 	if (dzp == NULL)
1209 		return (DLADM_STATUS_NOMEM);
1210 
1211 	if ((status = dladm_datalink_id2info(handle, linkid, NULL, NULL, NULL,
1212 	    linkname, MAXLINKNAMELEN)) != DLADM_STATUS_OK) {
1213 		goto done;
1214 	}
1215 
1216 	zone_name = (prop_val != NULL) ? *prop_val : GLOBAL_ZONENAME;
1217 	if (strlen(linkname) > MAXLINKNAMELEN) {
1218 		status = DLADM_STATUS_BADVAL;
1219 		goto done;
1220 	}
1221 
1222 	if ((zoneid = getzoneidbyname(zone_name)) == -1) {
1223 		status = DLADM_STATUS_BADVAL;
1224 		goto done;
1225 	}
1226 
1227 	if (zoneid != GLOBAL_ZONEID) {
1228 		ushort_t	flags;
1229 
1230 		if (zone_getattr(zoneid, ZONE_ATTR_FLAGS, &flags,
1231 		    sizeof (flags)) < 0) {
1232 			status = dladm_errno2status(errno);
1233 			goto done;
1234 		}
1235 
1236 		if (!(flags & ZF_NET_EXCL)) {
1237 			status = DLADM_STATUS_BADVAL;
1238 			goto done;
1239 		}
1240 	}
1241 
1242 	(void) memset(dzp, 0, sizeof (dld_ioc_zid_t));
1243 
1244 	dzp->diz_zid = zoneid;
1245 	(void) strlcpy(dzp->diz_link, linkname, MAXLINKNAMELEN);
1246 
1247 	vdp->vd_val = (uintptr_t)dzp;
1248 	return (DLADM_STATUS_OK);
1249 done:
1250 	free(dzp);
1251 	return (status);
1252 }
1253 
1254 /* ARGSUSED */
1255 static dladm_status_t
1256 i_dladm_maxbw_get(dladm_handle_t handle, prop_desc_t *pdp, datalink_id_t linkid,
1257     char **prop_val, uint_t *val_cnt, datalink_media_t media,
1258     uint_t flags, uint_t *perm_flags)
1259 {
1260 	dld_ioc_macprop_t	*dip;
1261 	mac_resource_props_t	mrp;
1262 	dladm_status_t		status;
1263 
1264 	dip = i_dladm_get_public_prop(handle, linkid, pdp->pd_name, flags,
1265 	    &status, perm_flags);
1266 	if (dip == NULL)
1267 		return (status);
1268 
1269 	bcopy(dip->pr_val, &mrp, sizeof (mac_resource_props_t));
1270 	free(dip);
1271 
1272 	if ((mrp.mrp_mask & MRP_MAXBW) == 0) {
1273 		(*prop_val)[0] = '\0';
1274 	} else {
1275 		(void) dladm_bw2str(mrp.mrp_maxbw, prop_val[0]);
1276 	}
1277 	*val_cnt = 1;
1278 	return (DLADM_STATUS_OK);
1279 }
1280 
1281 /* ARGSUSED */
1282 static dladm_status_t
1283 do_check_maxbw(dladm_handle_t handle, prop_desc_t *pdp, datalink_id_t linkid,
1284     char **prop_val, uint_t val_cnt, val_desc_t *vdp, datalink_media_t media)
1285 {
1286 	uint64_t	*maxbw;
1287 	dladm_status_t	status = DLADM_STATUS_OK;
1288 
1289 	if (val_cnt != 1)
1290 		return (DLADM_STATUS_BADVALCNT);
1291 
1292 	maxbw = malloc(sizeof (uint64_t));
1293 	if (maxbw == NULL)
1294 		return (DLADM_STATUS_NOMEM);
1295 
1296 	status = dladm_str2bw(*prop_val, maxbw);
1297 	if (status != DLADM_STATUS_OK) {
1298 		free(maxbw);
1299 		return (status);
1300 	}
1301 
1302 	if ((*maxbw < MRP_MAXBW_MINVAL) && (*maxbw != 0)) {
1303 		free(maxbw);
1304 		return (DLADM_STATUS_MINMAXBW);
1305 	}
1306 
1307 	vdp->vd_val = (uintptr_t)maxbw;
1308 	return (DLADM_STATUS_OK);
1309 }
1310 
1311 /* ARGSUSED */
1312 dladm_status_t
1313 do_extract_maxbw(val_desc_t *vdp, void *arg, uint_t cnt)
1314 {
1315 	mac_resource_props_t *mrp = (mac_resource_props_t *)arg;
1316 
1317 	bcopy((char *)vdp->vd_val, &mrp->mrp_maxbw, sizeof (uint64_t));
1318 	mrp->mrp_mask |= MRP_MAXBW;
1319 
1320 	return (DLADM_STATUS_OK);
1321 }
1322 
1323 /* ARGSUSED */
1324 static dladm_status_t
1325 i_dladm_cpus_get(dladm_handle_t handle, prop_desc_t *pdp, datalink_id_t linkid,
1326     char **prop_val, uint_t *val_cnt, datalink_media_t media,
1327     uint_t flags, uint_t *perm_flags)
1328 {
1329 	dld_ioc_macprop_t	*dip;
1330 	mac_resource_props_t	mrp;
1331 	int			i;
1332 	uint32_t		ncpus;
1333 	uchar_t			*cp;
1334 	dladm_status_t		status;
1335 
1336 	dip = i_dladm_get_public_prop(handle, linkid, pdp->pd_name, flags,
1337 	    &status, perm_flags);
1338 	if (dip == NULL)
1339 		return (status);
1340 
1341 	cp = (uchar_t *)dip->pr_val;
1342 	(void) memcpy(&mrp, cp, sizeof (mac_resource_props_t));
1343 	free(dip);
1344 
1345 	ncpus = mrp.mrp_ncpus;
1346 
1347 	if (ncpus > *val_cnt)
1348 		return (DLADM_STATUS_TOOSMALL);
1349 
1350 	if (ncpus == 0) {
1351 		(*prop_val)[0] = '\0';
1352 		*val_cnt = 1;
1353 		return (DLADM_STATUS_OK);
1354 	}
1355 
1356 	*val_cnt = ncpus;
1357 	for (i = 0; i < ncpus; i++) {
1358 		(void) snprintf(prop_val[i], DLADM_PROP_VAL_MAX,
1359 		    "%u", mrp.mrp_cpu[i]);
1360 	}
1361 	return (DLADM_STATUS_OK);
1362 }
1363 
1364 /* ARGSUSED */
1365 static dladm_status_t
1366 do_set_res(dladm_handle_t handle, prop_desc_t *pdp, datalink_id_t linkid,
1367     val_desc_t *vdp, uint_t val_cnt, uint_t flags, datalink_media_t media)
1368 {
1369 	mac_resource_props_t	mrp;
1370 	dladm_status_t		status = DLADM_STATUS_OK;
1371 	dld_ioc_macprop_t	*dip;
1372 
1373 	bzero(&mrp, sizeof (mac_resource_props_t));
1374 	dip = i_dladm_buf_alloc_by_name(0, linkid, pdp->pd_name,
1375 	    flags, &status);
1376 
1377 	if (dip == NULL)
1378 		return (status);
1379 
1380 	if (vdp->vd_val == RESET_VAL) {
1381 		switch (dip->pr_num) {
1382 		case MAC_PROP_MAXBW:
1383 			mrp.mrp_maxbw = MRP_MAXBW_RESETVAL;
1384 			mrp.mrp_mask = MRP_MAXBW;
1385 			break;
1386 		case MAC_PROP_PRIO:
1387 			mrp.mrp_priority = MPL_RESET;
1388 			mrp.mrp_mask = MRP_PRIORITY;
1389 			break;
1390 		default:
1391 			free(dip);
1392 			return (DLADM_STATUS_BADARG);
1393 		}
1394 	} else {
1395 		switch (dip->pr_num) {
1396 		case MAC_PROP_MAXBW:
1397 			bcopy((void *)vdp->vd_val, &mrp.mrp_maxbw,
1398 			    sizeof (uint64_t));
1399 			mrp.mrp_mask = MRP_MAXBW;
1400 			break;
1401 		case MAC_PROP_PRIO:
1402 			bcopy((void *)vdp->vd_val, &mrp.mrp_priority,
1403 			    sizeof (mac_priority_level_t));
1404 			mrp.mrp_mask = MRP_PRIORITY;
1405 			break;
1406 		default:
1407 			free(dip);
1408 			return (DLADM_STATUS_BADARG);
1409 		}
1410 	}
1411 
1412 	(void) memcpy(dip->pr_val, &mrp, dip->pr_valsize);
1413 	status = i_dladm_macprop(handle, dip, B_TRUE);
1414 	free(dip);
1415 	return (status);
1416 }
1417 
1418 /* ARGSUSED */
1419 static dladm_status_t
1420 do_set_cpus(dladm_handle_t handle, prop_desc_t *pdp, datalink_id_t linkid,
1421     val_desc_t *vdp, uint_t val_cnt, uint_t flags, datalink_media_t media)
1422 {
1423 	mac_resource_props_t	mrp;
1424 	dladm_status_t		status;
1425 	dld_ioc_macprop_t	*dip;
1426 	datalink_class_t	class;
1427 
1428 	/*
1429 	 * CPU bindings can be set on VNIC and regular physical links.
1430 	 * However VNICs fails the dladm_phys_info test(). So apply
1431 	 * the phys_info test only on physical links.
1432 	 */
1433 	if ((status = dladm_datalink_id2info(handle, linkid, NULL, &class,
1434 	    NULL, NULL, 0)) != DLADM_STATUS_OK) {
1435 		return (status);
1436 	}
1437 
1438 	/*
1439 	 * We set intr_cpu to -1. The interrupt will be retargetted,
1440 	 * if possible when the setup is complete in MAC.
1441 	 */
1442 	bzero(&mrp, sizeof (mac_resource_props_t));
1443 	mrp.mrp_mask = MRP_CPUS;
1444 	if (vdp != NULL && vdp->vd_val != RESET_VAL) {
1445 		mac_resource_props_t	*vmrp;
1446 
1447 		vmrp = (mac_resource_props_t *)vdp->vd_val;
1448 		if (vmrp->mrp_ncpus > 0) {
1449 			bcopy(vmrp, &mrp, sizeof (mac_resource_props_t));
1450 			mrp.mrp_mask = MRP_CPUS;
1451 		}
1452 		mrp.mrp_mask |= MRP_CPUS_USERSPEC;
1453 		mrp.mrp_fanout_mode = MCM_CPUS;
1454 		mrp.mrp_intr_cpu = -1;
1455 	}
1456 
1457 	dip = i_dladm_buf_alloc_by_name(0, linkid, pdp->pd_name,
1458 	    flags, &status);
1459 	if (dip == NULL)
1460 		return (status);
1461 
1462 	(void) memcpy(dip->pr_val, &mrp, dip->pr_valsize);
1463 	status = i_dladm_macprop(handle, dip, B_TRUE);
1464 	free(dip);
1465 	return (status);
1466 }
1467 
1468 /* ARGSUSED */
1469 static dladm_status_t
1470 do_check_cpus(dladm_handle_t handle, prop_desc_t *pdp, datalink_id_t linkid,
1471     char **prop_val, uint_t val_cnt, val_desc_t *vdp, datalink_media_t media)
1472 {
1473 	uint32_t		cpuid;
1474 	int			i, j, rc;
1475 	long			nproc = sysconf(_SC_NPROCESSORS_CONF);
1476 	mac_resource_props_t	*mrp;
1477 
1478 	mrp = malloc(sizeof (mac_resource_props_t));
1479 	if (mrp == NULL)
1480 		return (DLADM_STATUS_NOMEM);
1481 
1482 	for (i = 0; i < val_cnt; i++) {
1483 		errno = 0;
1484 		cpuid = strtol(prop_val[i], (char **)NULL, 10);
1485 		if (errno != 0 || cpuid >= nproc) {
1486 			free(mrp);
1487 			return (DLADM_STATUS_CPUMAX);
1488 		}
1489 		rc = p_online(cpuid, P_STATUS);
1490 		if (rc < 1) {
1491 			free(mrp);
1492 			return (DLADM_STATUS_CPUERR);
1493 		}
1494 		if (rc != P_ONLINE) {
1495 			free(mrp);
1496 			return (DLADM_STATUS_CPUNOTONLINE);
1497 		}
1498 		mrp->mrp_cpu[i] = cpuid;
1499 	}
1500 	mrp->mrp_ncpus = (uint32_t)val_cnt;
1501 
1502 	/* Check for duplicates */
1503 	for (i = 0; i < val_cnt; i++) {
1504 		for (j = 0; j < val_cnt; j++) {
1505 			if (i != j && mrp->mrp_cpu[i] == mrp->mrp_cpu[j]) {
1506 				free(mrp);
1507 				return (DLADM_STATUS_BADARG);
1508 			}
1509 		}
1510 	}
1511 	vdp->vd_val = (uintptr_t)mrp;
1512 
1513 	return (DLADM_STATUS_OK);
1514 }
1515 
1516 /* ARGSUSED */
1517 dladm_status_t
1518 do_extract_cpus(val_desc_t *vdp, void *arg, uint_t cnt)
1519 {
1520 	mac_resource_props_t	*mrp = (mac_resource_props_t *)arg;
1521 	mac_resource_props_t	*vmrp = (mac_resource_props_t *)vdp->vd_val;
1522 	int			i;
1523 
1524 	for (i = 0; i < vmrp->mrp_ncpus; i++) {
1525 		mrp->mrp_cpu[i] = vmrp->mrp_cpu[i];
1526 	}
1527 	mrp->mrp_ncpus = vmrp->mrp_ncpus;
1528 	mrp->mrp_mask |= (MRP_CPUS|MRP_CPUS_USERSPEC);
1529 	mrp->mrp_fanout_mode = MCM_CPUS;
1530 	mrp->mrp_intr_cpu = -1;
1531 
1532 	return (DLADM_STATUS_OK);
1533 }
1534 
1535 /* ARGSUSED */
1536 static dladm_status_t
1537 i_dladm_priority_get(dladm_handle_t handle, prop_desc_t *pdp,
1538     datalink_id_t linkid, char **prop_val, uint_t *val_cnt,
1539     datalink_media_t media, uint_t flags, uint_t *perm_flags)
1540 {
1541 	dld_ioc_macprop_t	*dip;
1542 	mac_resource_props_t	mrp;
1543 	mac_priority_level_t	pri;
1544 	dladm_status_t		status;
1545 
1546 	dip = i_dladm_get_public_prop(handle, linkid, pdp->pd_name, flags,
1547 	    &status, perm_flags);
1548 	if (dip == NULL)
1549 		return (status);
1550 
1551 	bcopy(dip->pr_val, &mrp, sizeof (mac_resource_props_t));
1552 	free(dip);
1553 
1554 	pri = ((mrp.mrp_mask & MRP_PRIORITY) == 0) ? MPL_HIGH :
1555 	    mrp.mrp_priority;
1556 
1557 	(void) dladm_pri2str(pri, prop_val[0]);
1558 	*val_cnt = 1;
1559 	return (DLADM_STATUS_OK);
1560 }
1561 
1562 /* ARGSUSED */
1563 static dladm_status_t
1564 do_check_priority(dladm_handle_t handle, prop_desc_t *pdp, datalink_id_t linkid,
1565     char **prop_val, uint_t val_cnt, val_desc_t *vdp, datalink_media_t media)
1566 {
1567 	mac_priority_level_t	*pri;
1568 	dladm_status_t	status = DLADM_STATUS_OK;
1569 
1570 	if (val_cnt != 1)
1571 		return (DLADM_STATUS_BADVALCNT);
1572 
1573 	pri = malloc(sizeof (mac_priority_level_t));
1574 	if (pri == NULL)
1575 		return (DLADM_STATUS_NOMEM);
1576 
1577 	status = dladm_str2pri(*prop_val, pri);
1578 	if (status != DLADM_STATUS_OK) {
1579 		free(pri);
1580 		return (status);
1581 	}
1582 
1583 	if (*pri < MPL_LOW || *pri > MPL_HIGH) {
1584 		free(pri);
1585 		return (DLADM_STATUS_BADVAL);
1586 	}
1587 
1588 	vdp->vd_val = (uintptr_t)pri;
1589 	return (DLADM_STATUS_OK);
1590 }
1591 
1592 /* ARGSUSED */
1593 dladm_status_t
1594 do_extract_priority(val_desc_t *vdp, void *arg, uint_t cnt)
1595 {
1596 	mac_resource_props_t *mrp = (mac_resource_props_t *)arg;
1597 
1598 	bcopy((char *)vdp->vd_val, &mrp->mrp_priority,
1599 	    sizeof (mac_priority_level_t));
1600 	mrp->mrp_mask |= MRP_PRIORITY;
1601 
1602 	return (DLADM_STATUS_OK);
1603 }
1604 
1605 /* ARGSUSED */
1606 static dladm_status_t
1607 do_get_autopush(dladm_handle_t handle, prop_desc_t *pdp, datalink_id_t linkid,
1608     char **prop_val, uint_t *val_cnt, datalink_media_t media,
1609     uint_t flags, uint_t *perm_flags)
1610 {
1611 	struct		dlautopush dlap;
1612 	int		i, len;
1613 	dladm_status_t	status;
1614 	dld_ioc_macprop_t	*dip;
1615 
1616 	if (flags & MAC_PROP_DEFAULT)
1617 		return (DLADM_STATUS_NOTDEFINED);
1618 
1619 	*val_cnt = 1;
1620 	dip = i_dladm_get_public_prop(handle, linkid, pdp->pd_name, flags,
1621 	    &status, perm_flags);
1622 	if (dip == NULL) {
1623 		(*prop_val)[0] = '\0';
1624 		return (DLADM_STATUS_OK);
1625 	}
1626 	(void) memcpy(&dlap, dip->pr_val, sizeof (dlap));
1627 
1628 	for (i = 0, len = 0; i < dlap.dap_npush; i++) {
1629 		if (i != 0) {
1630 			(void) snprintf(*prop_val + len,
1631 			    DLADM_PROP_VAL_MAX - len, "%c", AP_DELIMITER);
1632 			len += 1;
1633 		}
1634 		(void) snprintf(*prop_val + len, DLADM_PROP_VAL_MAX - len,
1635 		    "%s", dlap.dap_aplist[i]);
1636 		len += strlen(dlap.dap_aplist[i]);
1637 		if (dlap.dap_anchor - 1 == i) {
1638 			(void) snprintf(*prop_val + len,
1639 			    DLADM_PROP_VAL_MAX - len, "%c%s", AP_DELIMITER,
1640 			    AP_ANCHOR);
1641 			len += (strlen(AP_ANCHOR) + 1);
1642 		}
1643 	}
1644 	free(dip);
1645 done:
1646 	return (DLADM_STATUS_OK);
1647 }
1648 
1649 /*
1650  * Add the specified module to the dlautopush structure; returns a
1651  * DLADM_STATUS_* code.
1652  */
1653 dladm_status_t
1654 i_dladm_add_ap_module(const char *module, struct dlautopush *dlap)
1655 {
1656 	if ((strlen(module) == 0) || (strlen(module) > FMNAMESZ))
1657 		return (DLADM_STATUS_BADVAL);
1658 
1659 	if (strncasecmp(module, AP_ANCHOR, strlen(AP_ANCHOR)) == 0) {
1660 		/*
1661 		 * We don't allow multiple anchors, and the anchor must
1662 		 * be after at least one module.
1663 		 */
1664 		if (dlap->dap_anchor != 0)
1665 			return (DLADM_STATUS_BADVAL);
1666 		if (dlap->dap_npush == 0)
1667 			return (DLADM_STATUS_BADVAL);
1668 
1669 		dlap->dap_anchor = dlap->dap_npush;
1670 		return (DLADM_STATUS_OK);
1671 	}
1672 	if (dlap->dap_npush >= MAXAPUSH)
1673 		return (DLADM_STATUS_BADVALCNT);
1674 
1675 	(void) strlcpy(dlap->dap_aplist[dlap->dap_npush++], module,
1676 	    FMNAMESZ + 1);
1677 
1678 	return (DLADM_STATUS_OK);
1679 }
1680 
1681 /*
1682  * Currently, both '.' and ' '(space) can be used as the delimiters between
1683  * autopush modules. The former is used in dladm set-linkprop, and the
1684  * latter is used in the autopush(1M) file.
1685  */
1686 /* ARGSUSED */
1687 static dladm_status_t
1688 do_check_autopush(dladm_handle_t handle, prop_desc_t *pdp, datalink_id_t linkid,
1689     char **prop_val, uint_t val_cnt, val_desc_t *vdp, datalink_media_t media)
1690 {
1691 	char			*module;
1692 	struct dlautopush	*dlap;
1693 	dladm_status_t		status;
1694 	char			val[DLADM_PROP_VAL_MAX];
1695 	char			delimiters[4];
1696 
1697 	if (val_cnt != 1)
1698 		return (DLADM_STATUS_BADVALCNT);
1699 
1700 	if (prop_val != NULL) {
1701 		dlap = malloc(sizeof (struct dlautopush));
1702 		if (dlap == NULL)
1703 			return (DLADM_STATUS_NOMEM);
1704 
1705 		(void) memset(dlap, 0, sizeof (struct dlautopush));
1706 		(void) snprintf(delimiters, 4, " %c\n", AP_DELIMITER);
1707 		bcopy(*prop_val, val, DLADM_PROP_VAL_MAX);
1708 		module = strtok(val, delimiters);
1709 		while (module != NULL) {
1710 			status = i_dladm_add_ap_module(module, dlap);
1711 			if (status != DLADM_STATUS_OK)
1712 				return (status);
1713 			module = strtok(NULL, delimiters);
1714 		}
1715 
1716 		vdp->vd_val = (uintptr_t)dlap;
1717 	} else {
1718 		vdp->vd_val = 0;
1719 	}
1720 	return (DLADM_STATUS_OK);
1721 }
1722 
1723 #define	WLDP_BUFSIZE (MAX_BUF_LEN - WIFI_BUF_OFFSET)
1724 
1725 /* ARGSUSED */
1726 static dladm_status_t
1727 do_get_rate_common(dladm_handle_t handle, prop_desc_t *pdp,
1728     datalink_id_t linkid, char **prop_val, uint_t *val_cnt, uint_t id,
1729     uint_t *perm_flags)
1730 {
1731 	wl_rates_t	*wrp;
1732 	uint_t		i;
1733 	dladm_status_t	status = DLADM_STATUS_OK;
1734 
1735 	wrp = malloc(WLDP_BUFSIZE);
1736 	if (wrp == NULL)
1737 		return (DLADM_STATUS_NOMEM);
1738 
1739 	status = i_dladm_wlan_param(handle, linkid, wrp, id, WLDP_BUFSIZE,
1740 	    B_FALSE);
1741 	if (status != DLADM_STATUS_OK)
1742 		goto done;
1743 
1744 	if (wrp->wl_rates_num > *val_cnt) {
1745 		status = DLADM_STATUS_TOOSMALL;
1746 		goto done;
1747 	}
1748 
1749 	if (wrp->wl_rates_rates[0] == 0) {
1750 		prop_val[0][0] = '\0';
1751 		*val_cnt = 1;
1752 		goto done;
1753 	}
1754 
1755 	for (i = 0; i < wrp->wl_rates_num; i++) {
1756 		(void) snprintf(prop_val[i], DLADM_STRSIZE, "%.*f",
1757 		    wrp->wl_rates_rates[i] % 2,
1758 		    (float)wrp->wl_rates_rates[i] / 2);
1759 	}
1760 	*val_cnt = wrp->wl_rates_num;
1761 	*perm_flags = MAC_PROP_PERM_RW;
1762 
1763 done:
1764 	free(wrp);
1765 	return (status);
1766 }
1767 
1768 static dladm_status_t
1769 do_get_rate_prop(dladm_handle_t handle, prop_desc_t *pdp, datalink_id_t linkid,
1770     char **prop_val, uint_t *val_cnt, datalink_media_t media,
1771     uint_t flags, uint_t *perm_flags)
1772 {
1773 	if (media != DL_WIFI) {
1774 		return (i_dladm_speed_get(handle, pdp, linkid, prop_val,
1775 		    val_cnt, flags, perm_flags));
1776 	}
1777 
1778 	return (do_get_rate_common(handle, pdp, linkid, prop_val, val_cnt,
1779 	    MAC_PROP_WL_DESIRED_RATES, perm_flags));
1780 }
1781 
1782 /* ARGSUSED */
1783 static dladm_status_t
1784 do_get_rate_mod(dladm_handle_t handle, prop_desc_t *pdp, datalink_id_t linkid,
1785     char **prop_val, uint_t *val_cnt, datalink_media_t media,
1786     uint_t flags, uint_t *perm_flags)
1787 {
1788 	switch (media) {
1789 	case DL_ETHER:
1790 		/*
1791 		 * Speed for ethernet links is unbounded. E.g., 802.11b
1792 		 * links can have a speed of 5.5 Gbps.
1793 		 */
1794 		return (DLADM_STATUS_NOTSUP);
1795 
1796 	case DL_WIFI:
1797 		return (do_get_rate_common(handle, pdp, linkid, prop_val,
1798 		    val_cnt, MAC_PROP_WL_SUPPORTED_RATES, perm_flags));
1799 	default:
1800 		return (DLADM_STATUS_BADARG);
1801 	}
1802 }
1803 
1804 static dladm_status_t
1805 do_set_rate(dladm_handle_t handle, datalink_id_t linkid,
1806     dladm_wlan_rates_t *rates)
1807 {
1808 	int		i;
1809 	uint_t		len;
1810 	wl_rates_t	*wrp;
1811 	dladm_status_t	status = DLADM_STATUS_OK;
1812 
1813 	wrp = malloc(WLDP_BUFSIZE);
1814 	if (wrp == NULL)
1815 		return (DLADM_STATUS_NOMEM);
1816 
1817 	bzero(wrp, WLDP_BUFSIZE);
1818 	for (i = 0; i < rates->wr_cnt; i++)
1819 		wrp->wl_rates_rates[i] = rates->wr_rates[i];
1820 	wrp->wl_rates_num = rates->wr_cnt;
1821 
1822 	len = offsetof(wl_rates_t, wl_rates_rates) +
1823 	    (rates->wr_cnt * sizeof (char)) + WIFI_BUF_OFFSET;
1824 	status = i_dladm_wlan_param(handle, linkid, wrp,
1825 	    MAC_PROP_WL_DESIRED_RATES, len, B_TRUE);
1826 
1827 	free(wrp);
1828 	return (status);
1829 }
1830 
1831 /* ARGSUSED */
1832 static dladm_status_t
1833 do_set_rate_prop(dladm_handle_t handle, prop_desc_t *pdp, datalink_id_t linkid,
1834     val_desc_t *vdp, uint_t val_cnt, uint_t flags, datalink_media_t media)
1835 {
1836 	dladm_wlan_rates_t	rates;
1837 	dladm_status_t		status;
1838 
1839 	/*
1840 	 * can currently set rate on WIFI links only.
1841 	 */
1842 	if (media != DL_WIFI)
1843 		return (DLADM_STATUS_PROPRDONLY);
1844 
1845 	if (val_cnt != 1)
1846 		return (DLADM_STATUS_BADVALCNT);
1847 
1848 	rates.wr_cnt = 1;
1849 	rates.wr_rates[0] = vdp[0].vd_val;
1850 
1851 	status = do_set_rate(handle, linkid, &rates);
1852 
1853 done:
1854 	return (status);
1855 }
1856 
1857 /* ARGSUSED */
1858 static dladm_status_t
1859 do_check_rate(dladm_handle_t handle, prop_desc_t *pdp, datalink_id_t linkid,
1860     char **prop_val, uint_t val_cnt, val_desc_t *vdp, datalink_media_t media)
1861 {
1862 	int		i;
1863 	uint_t		modval_cnt = MAX_SUPPORT_RATES;
1864 	char		*buf, **modval;
1865 	dladm_status_t	status;
1866 	uint_t 		perm_flags;
1867 
1868 	if (val_cnt != 1)
1869 		return (DLADM_STATUS_BADVALCNT);
1870 
1871 	buf = malloc((sizeof (char *) + DLADM_STRSIZE) *
1872 	    MAX_SUPPORT_RATES);
1873 	if (buf == NULL) {
1874 		status = DLADM_STATUS_NOMEM;
1875 		goto done;
1876 	}
1877 
1878 	modval = (char **)(void *)buf;
1879 	for (i = 0; i < MAX_SUPPORT_RATES; i++) {
1880 		modval[i] = buf + sizeof (char *) * MAX_SUPPORT_RATES +
1881 		    i * DLADM_STRSIZE;
1882 	}
1883 
1884 	status = do_get_rate_mod(handle, NULL, linkid, modval, &modval_cnt,
1885 	    media, 0, &perm_flags);
1886 	if (status != DLADM_STATUS_OK)
1887 		goto done;
1888 
1889 	for (i = 0; i < modval_cnt; i++) {
1890 		if (strcasecmp(*prop_val, modval[i]) == 0) {
1891 			vdp->vd_val = (uintptr_t)(uint_t)
1892 			    (atof(*prop_val) * 2);
1893 			status = DLADM_STATUS_OK;
1894 			break;
1895 		}
1896 	}
1897 	if (i == modval_cnt)
1898 		status = DLADM_STATUS_BADVAL;
1899 done:
1900 	free(buf);
1901 	return (status);
1902 }
1903 
1904 static dladm_status_t
1905 do_get_phyconf(dladm_handle_t handle, datalink_id_t linkid, void *buf,
1906     int buflen)
1907 {
1908 	return (i_dladm_wlan_param(handle, linkid, buf, MAC_PROP_WL_PHY_CONFIG,
1909 	    buflen, B_FALSE));
1910 }
1911 
1912 /* ARGSUSED */
1913 static dladm_status_t
1914 do_get_channel_prop(dladm_handle_t handle, prop_desc_t *pdp,
1915     datalink_id_t linkid, char **prop_val, uint_t *val_cnt,
1916     datalink_media_t media, uint_t flags, uint_t *perm_flags)
1917 {
1918 	uint32_t	channel;
1919 	char		buf[WLDP_BUFSIZE];
1920 	dladm_status_t	status = DLADM_STATUS_OK;
1921 	wl_phy_conf_t	wl_phy_conf;
1922 
1923 	if ((status = do_get_phyconf(handle, linkid, buf, sizeof (buf)))
1924 	    != DLADM_STATUS_OK)
1925 		goto done;
1926 
1927 	(void) memcpy(&wl_phy_conf, buf, sizeof (wl_phy_conf));
1928 	if (!i_dladm_wlan_convert_chan(&wl_phy_conf, &channel)) {
1929 		status = DLADM_STATUS_NOTFOUND;
1930 		goto done;
1931 	}
1932 
1933 	(void) snprintf(*prop_val, DLADM_STRSIZE, "%u", channel);
1934 	*val_cnt = 1;
1935 	*perm_flags = MAC_PROP_PERM_READ;
1936 done:
1937 	return (status);
1938 }
1939 
1940 static dladm_status_t
1941 do_get_powermode(dladm_handle_t handle, datalink_id_t linkid, void *buf,
1942     int buflen)
1943 {
1944 	return (i_dladm_wlan_param(handle, linkid, buf, MAC_PROP_WL_POWER_MODE,
1945 	    buflen, B_FALSE));
1946 }
1947 
1948 /* ARGSUSED */
1949 static dladm_status_t
1950 do_get_powermode_prop(dladm_handle_t handle, prop_desc_t *pdp,
1951     datalink_id_t linkid, char **prop_val, uint_t *val_cnt,
1952     datalink_media_t media, uint_t flags, uint_t *perm_flags)
1953 {
1954 	wl_ps_mode_t	mode;
1955 	const char	*s;
1956 	char		buf[WLDP_BUFSIZE];
1957 	dladm_status_t	status = DLADM_STATUS_OK;
1958 
1959 	if ((status = do_get_powermode(handle, linkid, buf, sizeof (buf)))
1960 	    != DLADM_STATUS_OK)
1961 		goto done;
1962 
1963 	(void) memcpy(&mode, buf, sizeof (mode));
1964 	switch (mode.wl_ps_mode) {
1965 	case WL_PM_AM:
1966 		s = "off";
1967 		break;
1968 	case WL_PM_MPS:
1969 		s = "max";
1970 		break;
1971 	case WL_PM_FAST:
1972 		s = "fast";
1973 		break;
1974 	default:
1975 		status = DLADM_STATUS_NOTFOUND;
1976 		goto done;
1977 	}
1978 	(void) snprintf(*prop_val, DLADM_STRSIZE, "%s", s);
1979 	*val_cnt = 1;
1980 	*perm_flags = MAC_PROP_PERM_RW;
1981 done:
1982 	return (status);
1983 }
1984 
1985 static dladm_status_t
1986 do_set_powermode(dladm_handle_t handle, datalink_id_t linkid,
1987     dladm_wlan_powermode_t *pm)
1988 {
1989 	wl_ps_mode_t    ps_mode;
1990 
1991 	(void) memset(&ps_mode, 0xff, sizeof (ps_mode));
1992 
1993 	switch (*pm) {
1994 	case DLADM_WLAN_PM_OFF:
1995 		ps_mode.wl_ps_mode = WL_PM_AM;
1996 		break;
1997 	case DLADM_WLAN_PM_MAX:
1998 		ps_mode.wl_ps_mode = WL_PM_MPS;
1999 		break;
2000 	case DLADM_WLAN_PM_FAST:
2001 		ps_mode.wl_ps_mode = WL_PM_FAST;
2002 		break;
2003 	default:
2004 		return (DLADM_STATUS_NOTSUP);
2005 	}
2006 	return (i_dladm_wlan_param(handle, linkid, &ps_mode,
2007 	    MAC_PROP_WL_POWER_MODE, sizeof (ps_mode), B_TRUE));
2008 }
2009 
2010 /* ARGSUSED */
2011 static dladm_status_t
2012 do_set_powermode_prop(dladm_handle_t handle, prop_desc_t *pdp,
2013     datalink_id_t linkid, val_desc_t *vdp, uint_t val_cnt, uint_t flags,
2014     datalink_media_t media)
2015 {
2016 	dladm_wlan_powermode_t powermode = (dladm_wlan_powermode_t)vdp->vd_val;
2017 	dladm_status_t status;
2018 
2019 	if (val_cnt != 1)
2020 		return (DLADM_STATUS_BADVALCNT);
2021 
2022 	status = do_set_powermode(handle, linkid, &powermode);
2023 
2024 	return (status);
2025 }
2026 
2027 static dladm_status_t
2028 do_get_radio(dladm_handle_t handle, datalink_id_t linkid, void *buf, int buflen)
2029 {
2030 	return (i_dladm_wlan_param(handle, linkid, buf, MAC_PROP_WL_RADIO,
2031 	    buflen, B_FALSE));
2032 }
2033 
2034 /* ARGSUSED */
2035 static dladm_status_t
2036 do_get_radio_prop(dladm_handle_t handle, prop_desc_t *pdp, datalink_id_t linkid,
2037     char **prop_val, uint_t *val_cnt, datalink_media_t media,
2038     uint_t flags, uint_t *perm_flags)
2039 {
2040 	wl_radio_t	radio;
2041 	const char	*s;
2042 	char		buf[WLDP_BUFSIZE];
2043 	dladm_status_t	status = DLADM_STATUS_OK;
2044 
2045 	if ((status = do_get_radio(handle, linkid, buf, sizeof (buf)))
2046 	    != DLADM_STATUS_OK)
2047 		goto done;
2048 
2049 	(void) memcpy(&radio, buf, sizeof (radio));
2050 	switch (radio) {
2051 	case B_TRUE:
2052 		s = "on";
2053 		break;
2054 	case B_FALSE:
2055 		s = "off";
2056 		break;
2057 	default:
2058 		status = DLADM_STATUS_NOTFOUND;
2059 		goto done;
2060 	}
2061 	(void) snprintf(*prop_val, DLADM_STRSIZE, "%s", s);
2062 	*val_cnt = 1;
2063 	*perm_flags = MAC_PROP_PERM_RW;
2064 done:
2065 	return (status);
2066 }
2067 
2068 static dladm_status_t
2069 do_set_radio(dladm_handle_t handle, datalink_id_t linkid,
2070     dladm_wlan_radio_t *radio)
2071 {
2072 	wl_radio_t r;
2073 
2074 	switch (*radio) {
2075 	case DLADM_WLAN_RADIO_ON:
2076 		r = B_TRUE;
2077 		break;
2078 	case DLADM_WLAN_RADIO_OFF:
2079 		r = B_FALSE;
2080 		break;
2081 	default:
2082 		return (DLADM_STATUS_NOTSUP);
2083 	}
2084 	return (i_dladm_wlan_param(handle, linkid, &r, MAC_PROP_WL_RADIO,
2085 	    sizeof (r), B_TRUE));
2086 }
2087 
2088 /* ARGSUSED */
2089 static dladm_status_t
2090 do_set_radio_prop(dladm_handle_t handle, prop_desc_t *pdp, datalink_id_t linkid,
2091     val_desc_t *vdp, uint_t val_cnt, uint_t fags, datalink_media_t media)
2092 {
2093 	dladm_wlan_radio_t radio = (dladm_wlan_radio_t)vdp->vd_val;
2094 	dladm_status_t status;
2095 
2096 	if (val_cnt != 1)
2097 		return (DLADM_STATUS_BADVALCNT);
2098 
2099 	status = do_set_radio(handle, linkid, &radio);
2100 
2101 	return (status);
2102 }
2103 
2104 static dladm_status_t
2105 i_dladm_set_linkprop_db(dladm_handle_t handle, datalink_id_t linkid,
2106     const char *prop_name, char **prop_val, uint_t val_cnt)
2107 {
2108 	char		buf[MAXLINELEN];
2109 	int		i;
2110 	dladm_conf_t	conf;
2111 	dladm_status_t	status;
2112 
2113 	status = dladm_read_conf(handle, linkid, &conf);
2114 	if (status != DLADM_STATUS_OK)
2115 		return (status);
2116 
2117 	/*
2118 	 * reset case.
2119 	 */
2120 	if (val_cnt == 0) {
2121 		status = dladm_unset_conf_field(handle, conf, prop_name);
2122 		if (status == DLADM_STATUS_OK)
2123 			status = dladm_write_conf(handle, conf);
2124 		goto done;
2125 	}
2126 
2127 	buf[0] = '\0';
2128 	for (i = 0; i < val_cnt; i++) {
2129 		(void) strlcat(buf, prop_val[i], MAXLINELEN);
2130 		if (i != val_cnt - 1)
2131 			(void) strlcat(buf, ",", MAXLINELEN);
2132 	}
2133 
2134 	status = dladm_set_conf_field(handle, conf, prop_name, DLADM_TYPE_STR,
2135 	    buf);
2136 	if (status == DLADM_STATUS_OK)
2137 		status = dladm_write_conf(handle, conf);
2138 
2139 done:
2140 	dladm_destroy_conf(handle, conf);
2141 	return (status);
2142 }
2143 
2144 static dladm_status_t
2145 i_dladm_get_linkprop_db(dladm_handle_t handle, datalink_id_t linkid,
2146     const char *prop_name, char **prop_val, uint_t *val_cntp)
2147 {
2148 	char		buf[MAXLINELEN], *str;
2149 	uint_t		cnt = 0;
2150 	dladm_conf_t	conf;
2151 	dladm_status_t	status;
2152 
2153 	status = dladm_read_conf(handle, linkid, &conf);
2154 	if (status != DLADM_STATUS_OK)
2155 		return (status);
2156 
2157 	status = dladm_get_conf_field(handle, conf, prop_name, buf, MAXLINELEN);
2158 	if (status != DLADM_STATUS_OK)
2159 		goto done;
2160 
2161 	str = strtok(buf, ",");
2162 	while (str != NULL) {
2163 		if (cnt == *val_cntp) {
2164 			status = DLADM_STATUS_TOOSMALL;
2165 			goto done;
2166 		}
2167 		(void) strlcpy(prop_val[cnt++], str, DLADM_PROP_VAL_MAX);
2168 		str = strtok(NULL, ",");
2169 	}
2170 
2171 	*val_cntp = cnt;
2172 
2173 done:
2174 	dladm_destroy_conf(handle, conf);
2175 	return (status);
2176 }
2177 
2178 /*
2179  * Walk persistent private link properties of a link.
2180  */
2181 static dladm_status_t
2182 i_dladm_walk_linkprop_priv_db(dladm_handle_t handle, datalink_id_t linkid,
2183     void *arg, int (*func)(dladm_handle_t, datalink_id_t, const char *, void *))
2184 {
2185 	dladm_status_t		status;
2186 	dladm_conf_t		conf;
2187 	char			last_attr[MAXLINKATTRLEN];
2188 	char			attr[MAXLINKATTRLEN];
2189 	char			attrval[MAXLINKATTRVALLEN];
2190 	size_t			attrsz;
2191 
2192 	if (linkid == DATALINK_INVALID_LINKID || func == NULL)
2193 		return (DLADM_STATUS_BADARG);
2194 
2195 	status = dladm_read_conf(handle, linkid, &conf);
2196 	if (status != DLADM_STATUS_OK)
2197 		return (status);
2198 
2199 	last_attr[0] = '\0';
2200 	while ((status = dladm_getnext_conf_linkprop(handle, conf, last_attr,
2201 	    attr, attrval, MAXLINKATTRVALLEN, &attrsz)) == DLADM_STATUS_OK) {
2202 		if (attr[0] == '_') {
2203 			if (func(handle, linkid, attr, arg) ==
2204 			    DLADM_WALK_TERMINATE)
2205 				break;
2206 		}
2207 		(void) strlcpy(last_attr, attr, MAXLINKATTRLEN);
2208 	}
2209 
2210 	dladm_destroy_conf(handle, conf);
2211 	return (DLADM_STATUS_OK);
2212 }
2213 
2214 static link_attr_t *
2215 dladm_name2prop(const char *prop_name)
2216 {
2217 	link_attr_t *p;
2218 
2219 	for (p = link_attr; p->pp_id != MAC_PROP_PRIVATE; p++) {
2220 		if (strcmp(p->pp_name, prop_name) == 0)
2221 			break;
2222 	}
2223 	return (p);
2224 }
2225 
2226 static link_attr_t *
2227 dladm_id2prop(mac_prop_id_t propid)
2228 {
2229 	link_attr_t *p;
2230 
2231 	for (p = link_attr; p->pp_id != MAC_PROP_PRIVATE; p++) {
2232 		if (p->pp_id == propid)
2233 			break;
2234 	}
2235 	return (p);
2236 }
2237 
2238 static dld_ioc_macprop_t *
2239 i_dladm_buf_alloc_impl(size_t valsize, datalink_id_t linkid,
2240     const char *prop_name, mac_prop_id_t propid, uint_t flags,
2241     dladm_status_t *status)
2242 {
2243 	int dsize;
2244 	dld_ioc_macprop_t *dip;
2245 
2246 	*status = DLADM_STATUS_OK;
2247 	dsize = MAC_PROP_BUFSIZE(valsize);
2248 	dip = malloc(dsize);
2249 	if (dip == NULL) {
2250 		*status = DLADM_STATUS_NOMEM;
2251 		return (NULL);
2252 	}
2253 	bzero(dip, dsize);
2254 	dip->pr_valsize = valsize;
2255 	(void) strlcpy(dip->pr_name, prop_name, sizeof (dip->pr_name));
2256 	dip->pr_version = MAC_PROP_VERSION;
2257 	dip->pr_linkid = linkid;
2258 	dip->pr_num = propid;
2259 	dip->pr_flags = flags;
2260 	return (dip);
2261 }
2262 
2263 static dld_ioc_macprop_t *
2264 i_dladm_buf_alloc_by_name(size_t valsize, datalink_id_t linkid,
2265     const char *prop_name, uint_t flags, dladm_status_t *status)
2266 {
2267 	link_attr_t *p;
2268 
2269 	p = dladm_name2prop(prop_name);
2270 	valsize = MAX(p->pp_valsize, valsize);
2271 	return (i_dladm_buf_alloc_impl(valsize, linkid, prop_name, p->pp_id,
2272 	    flags, status));
2273 }
2274 
2275 static dld_ioc_macprop_t *
2276 i_dladm_buf_alloc_by_id(size_t valsize, datalink_id_t linkid,
2277     mac_prop_id_t propid, uint_t flags, dladm_status_t *status)
2278 {
2279 	link_attr_t *p;
2280 
2281 	p = dladm_id2prop(propid);
2282 	valsize = MAX(p->pp_valsize, valsize);
2283 	return (i_dladm_buf_alloc_impl(valsize, linkid, p->pp_name, propid,
2284 	    flags, status));
2285 }
2286 
2287 /* ARGSUSED */
2288 static dladm_status_t
2289 i_dladm_set_public_prop(dladm_handle_t handle, prop_desc_t *pdp,
2290     datalink_id_t linkid, val_desc_t *vdp, uint_t val_cnt, uint_t flags,
2291     datalink_media_t media)
2292 {
2293 	dld_ioc_macprop_t	*dip;
2294 	dladm_status_t	status = DLADM_STATUS_OK;
2295 	uint8_t		u8;
2296 	uint16_t	u16;
2297 	uint32_t	u32;
2298 	void		*val;
2299 
2300 	dip = i_dladm_buf_alloc_by_name(0, linkid, pdp->pd_name, 0, &status);
2301 	if (dip == NULL)
2302 		return (status);
2303 
2304 	if (pdp->pd_flags & PD_CHECK_ALLOC)
2305 		val = (void *)vdp->vd_val;
2306 	else {
2307 		/*
2308 		 * Currently all 1/2/4-byte size properties are byte/word/int.
2309 		 * No need (yet) to distinguish these from arrays of same size.
2310 		 */
2311 		switch (dip->pr_valsize) {
2312 		case 1:
2313 			u8 = vdp->vd_val;
2314 			val = &u8;
2315 			break;
2316 		case 2:
2317 			u16 = vdp->vd_val;
2318 			val = &u16;
2319 			break;
2320 		case 4:
2321 			u32 = vdp->vd_val;
2322 			val = &u32;
2323 			break;
2324 		default:
2325 			val = &vdp->vd_val;
2326 			break;
2327 		}
2328 	}
2329 
2330 	if (val != NULL)
2331 		(void) memcpy(dip->pr_val, val, dip->pr_valsize);
2332 	else
2333 		dip->pr_valsize = 0;
2334 
2335 	status = i_dladm_macprop(handle, dip, B_TRUE);
2336 
2337 done:
2338 	free(dip);
2339 	return (status);
2340 }
2341 
2342 dladm_status_t
2343 i_dladm_macprop(dladm_handle_t handle, void *dip, boolean_t set)
2344 {
2345 	dladm_status_t status = DLADM_STATUS_OK;
2346 
2347 	if (ioctl(dladm_dld_fd(handle),
2348 	    (set ? DLDIOC_SETMACPROP : DLDIOC_GETMACPROP), dip))
2349 		status = dladm_errno2status(errno);
2350 
2351 	return (status);
2352 }
2353 
2354 static dld_ioc_macprop_t *
2355 i_dladm_get_public_prop(dladm_handle_t handle, datalink_id_t linkid,
2356     char *prop_name, uint_t flags, dladm_status_t *status, uint_t *perm_flags)
2357 {
2358 	dld_ioc_macprop_t *dip = NULL;
2359 
2360 	dip = i_dladm_buf_alloc_by_name(0, linkid, prop_name, flags, status);
2361 	if (dip == NULL)
2362 		return (NULL);
2363 
2364 	*status = i_dladm_macprop(handle, dip, B_FALSE);
2365 	if (*status != DLADM_STATUS_OK) {
2366 		free(dip);
2367 		return (NULL);
2368 	}
2369 	if (perm_flags != NULL)
2370 		*perm_flags = dip->pr_perm_flags;
2371 
2372 	return (dip);
2373 }
2374 
2375 /* ARGSUSED */
2376 static dladm_status_t
2377 i_dladm_defmtu_check(dladm_handle_t handle, prop_desc_t *pdp,
2378     datalink_id_t linkid, char **prop_val, uint_t val_cnt, val_desc_t *v,
2379     datalink_media_t media)
2380 {
2381 	if (val_cnt != 1)
2382 		return (DLADM_STATUS_BADVAL);
2383 	v->vd_val = atoi(prop_val[0]);
2384 	return (DLADM_STATUS_OK);
2385 }
2386 
2387 /* ARGSUSED */
2388 static dladm_status_t
2389 i_dladm_duplex_get(dladm_handle_t handle, prop_desc_t *pdp,
2390     datalink_id_t linkid, char **prop_val, uint_t *val_cnt,
2391     datalink_media_t media, uint_t flags, uint_t *perm_flags)
2392 {
2393 	link_duplex_t   link_duplex;
2394 	dladm_status_t  status;
2395 
2396 	if ((status = dladm_get_single_mac_stat(handle, linkid, "link_duplex",
2397 	    KSTAT_DATA_UINT32, &link_duplex)) != 0)
2398 		return (status);
2399 
2400 	switch (link_duplex) {
2401 	case LINK_DUPLEX_FULL:
2402 		(void) strcpy(*prop_val, "full");
2403 		break;
2404 	case LINK_DUPLEX_HALF:
2405 		(void) strcpy(*prop_val, "half");
2406 		break;
2407 	default:
2408 		(void) strcpy(*prop_val, "unknown");
2409 		break;
2410 	}
2411 	*val_cnt = 1;
2412 	return (DLADM_STATUS_OK);
2413 }
2414 
2415 /* ARGSUSED */
2416 static dladm_status_t
2417 i_dladm_speed_get(dladm_handle_t handle, prop_desc_t *pdp, datalink_id_t linkid,
2418     char **prop_val, uint_t *val_cnt, uint_t flags, uint_t *perm_flags)
2419 {
2420 	uint64_t	ifspeed = 0;
2421 	dladm_status_t status;
2422 
2423 	if ((status = dladm_get_single_mac_stat(handle, linkid, "ifspeed",
2424 	    KSTAT_DATA_UINT64, &ifspeed)) != 0)
2425 		return (status);
2426 
2427 	if ((ifspeed % 1000000) != 0) {
2428 		(void) snprintf(*prop_val, DLADM_PROP_VAL_MAX,
2429 		    "%llf", ifspeed / (float)1000000); /* Mbps */
2430 	} else {
2431 		(void) snprintf(*prop_val, DLADM_PROP_VAL_MAX,
2432 		    "%llu", ifspeed / 1000000); /* Mbps */
2433 	}
2434 	*val_cnt = 1;
2435 	*perm_flags = MAC_PROP_PERM_READ;
2436 	return (DLADM_STATUS_OK);
2437 }
2438 
2439 /* ARGSUSED */
2440 static dladm_status_t
2441 i_dladm_status_get(dladm_handle_t handle, prop_desc_t *pdp,
2442     datalink_id_t linkid, char **prop_val, uint_t *val_cnt,
2443     datalink_media_t media, uint_t flags, uint_t *perm_flags)
2444 {
2445 	link_state_t		link_state;
2446 	dladm_status_t		status;
2447 
2448 	status = i_dladm_get_state(handle, linkid, &link_state);
2449 	if (status != DLADM_STATUS_OK)
2450 		return (status);
2451 
2452 	switch (link_state) {
2453 	case LINK_STATE_UP:
2454 		(void) strcpy(*prop_val, "up");
2455 		break;
2456 	case LINK_STATE_DOWN:
2457 		(void) strcpy(*prop_val, "down");
2458 		break;
2459 	default:
2460 		(void) strcpy(*prop_val, "unknown");
2461 		break;
2462 	}
2463 	*val_cnt = 1;
2464 	*perm_flags = MAC_PROP_PERM_READ;
2465 	return (DLADM_STATUS_OK);
2466 }
2467 
2468 /* ARGSUSED */
2469 static dladm_status_t
2470 i_dladm_binary_get(dladm_handle_t handle, prop_desc_t *pdp,
2471     datalink_id_t linkid, char **prop_val, uint_t *val_cnt,
2472     datalink_media_t media, uint_t flags, uint_t *perm_flags)
2473 {
2474 	dld_ioc_macprop_t *dip;
2475 	dladm_status_t status;
2476 
2477 	dip = i_dladm_get_public_prop(handle, linkid, pdp->pd_name, flags,
2478 	    &status, perm_flags);
2479 	if (dip == NULL)
2480 		return (status);
2481 
2482 	(void) snprintf(*prop_val, DLADM_PROP_VAL_MAX, "%x", dip->pr_val[0]);
2483 	free(dip);
2484 	*val_cnt = 1;
2485 	return (DLADM_STATUS_OK);
2486 }
2487 
2488 /* ARGSUSED */
2489 static dladm_status_t
2490 i_dladm_uint32_get(dladm_handle_t handle, prop_desc_t *pdp,
2491     datalink_id_t linkid, char **prop_val, uint_t *val_cnt,
2492     datalink_media_t media, uint_t flags, uint_t *perm_flags)
2493 {
2494 	dld_ioc_macprop_t *dip;
2495 	uint32_t v = 0;
2496 	uchar_t *cp;
2497 	dladm_status_t status;
2498 
2499 	dip = i_dladm_get_public_prop(handle, linkid, pdp->pd_name, flags,
2500 	    &status, perm_flags);
2501 	if (dip == NULL)
2502 		return (status);
2503 
2504 	cp = (uchar_t *)dip->pr_val;
2505 	(void) memcpy(&v, cp, sizeof (v));
2506 	(void) snprintf(*prop_val, DLADM_PROP_VAL_MAX, "%ld", v);
2507 	free(dip);
2508 	*val_cnt = 1;
2509 	return (DLADM_STATUS_OK);
2510 }
2511 
2512 /* ARGSUSED */
2513 static dladm_status_t
2514 i_dladm_tagmode_get(dladm_handle_t handle, prop_desc_t *pdp,
2515     datalink_id_t linkid, char **prop_val, uint_t *val_cnt,
2516     datalink_media_t media, uint_t flags, uint_t *perm_flags)
2517 {
2518 	dld_ioc_macprop_t	*dip;
2519 	link_tagmode_t		mode;
2520 	dladm_status_t		status;
2521 
2522 	dip = i_dladm_get_public_prop(handle, linkid, pdp->pd_name, flags,
2523 	    &status, perm_flags);
2524 	if (dip == NULL)
2525 		return (status);
2526 	(void) memcpy(&mode, dip->pr_val, sizeof (mode));
2527 	free(dip);
2528 
2529 	switch (mode) {
2530 	case LINK_TAGMODE_NORMAL:
2531 		(void) strlcpy(*prop_val, "normal", DLADM_PROP_VAL_MAX);
2532 		break;
2533 	case LINK_TAGMODE_VLANONLY:
2534 		(void) strlcpy(*prop_val, "vlanonly", DLADM_PROP_VAL_MAX);
2535 		break;
2536 	default:
2537 		(void) strlcpy(*prop_val, "unknown", DLADM_PROP_VAL_MAX);
2538 	}
2539 	*val_cnt = 1;
2540 	return (DLADM_STATUS_OK);
2541 }
2542 
2543 /* ARGSUSED */
2544 static dladm_status_t
2545 i_dladm_flowctl_get(dladm_handle_t handle, prop_desc_t *pdp,
2546     datalink_id_t linkid, char **prop_val, uint_t *val_cnt,
2547     datalink_media_t media, uint_t flags, uint_t *perm_flags)
2548 {
2549 	dld_ioc_macprop_t *dip;
2550 	link_flowctrl_t v;
2551 	dladm_status_t status;
2552 	uchar_t *cp;
2553 
2554 	dip = i_dladm_get_public_prop(handle, linkid, pdp->pd_name, flags,
2555 	    &status, perm_flags);
2556 	if (dip == NULL)
2557 		return (status);
2558 
2559 	cp = (uchar_t *)dip->pr_val;
2560 	(void) memcpy(&v, cp, sizeof (v));
2561 	switch (v) {
2562 	case LINK_FLOWCTRL_NONE:
2563 		(void) sprintf(*prop_val, "no");
2564 		break;
2565 	case LINK_FLOWCTRL_RX:
2566 		(void) sprintf(*prop_val, "rx");
2567 		break;
2568 	case LINK_FLOWCTRL_TX:
2569 		(void) sprintf(*prop_val, "tx");
2570 		break;
2571 	case LINK_FLOWCTRL_BI:
2572 		(void) sprintf(*prop_val, "bi");
2573 		break;
2574 	}
2575 	free(dip);
2576 	*val_cnt = 1;
2577 	return (DLADM_STATUS_OK);
2578 }
2579 
2580 
2581 /* ARGSUSED */
2582 static dladm_status_t
2583 i_dladm_set_prop(dladm_handle_t handle, datalink_id_t linkid,
2584     const char *prop_name, char **prop_val, uint_t val_cnt, uint_t flags)
2585 
2586 {
2587 	int		i, slen;
2588 	int 		bufsize = 0;
2589 	dld_ioc_macprop_t *dip = NULL;
2590 	uchar_t 	*dp;
2591 	link_attr_t *p;
2592 	dladm_status_t	status = DLADM_STATUS_OK;
2593 
2594 	if ((prop_name == NULL && prop_val != NULL) ||
2595 	    (prop_val != NULL && val_cnt == 0))
2596 		return (DLADM_STATUS_BADARG);
2597 	p = dladm_name2prop(prop_name);
2598 	if (p->pp_id != MAC_PROP_PRIVATE)
2599 		return (DLADM_STATUS_BADARG);
2600 
2601 	/*
2602 	 * private properties: all parsing is done in the kernel.
2603 	 * allocate a enough space for each property + its separator (',').
2604 	 */
2605 	for (i = 0; i < val_cnt; i++) {
2606 		bufsize += strlen(prop_val[i]) + 1;
2607 	}
2608 
2609 	if (prop_val == NULL) {
2610 		/*
2611 		 * getting default value. so use more buffer space.
2612 		 */
2613 		bufsize += DLADM_PROP_BUF_CHUNK;
2614 	}
2615 
2616 	dip = i_dladm_buf_alloc_by_name(bufsize + 1, linkid, prop_name,
2617 	    (prop_val != NULL ? 0 : MAC_PROP_DEFAULT), &status);
2618 	if (dip == NULL)
2619 		return (status);
2620 
2621 	dp = (uchar_t *)dip->pr_val;
2622 	slen = 0;
2623 
2624 	if (prop_val == NULL) {
2625 		status = i_dladm_macprop(handle, dip, B_FALSE);
2626 		dip->pr_flags = 0;
2627 	} else {
2628 		for (i = 0; i < val_cnt; i++) {
2629 			int plen = 0;
2630 
2631 			plen = strlen(prop_val[i]);
2632 			bcopy(prop_val[i], dp, plen);
2633 			slen += plen;
2634 			/*
2635 			 * add a "," separator and update dp.
2636 			 */
2637 			if (i != (val_cnt -1))
2638 				dp[slen++] = ',';
2639 			dp += (plen + 1);
2640 		}
2641 	}
2642 	if (status == DLADM_STATUS_OK)
2643 		status = i_dladm_macprop(handle, dip, B_TRUE);
2644 
2645 	free(dip);
2646 	return (status);
2647 }
2648 
2649 static dladm_status_t
2650 i_dladm_get_priv_prop(dladm_handle_t handle, datalink_id_t linkid,
2651     const char *prop_name, char **prop_val, uint_t *val_cnt,
2652     dladm_prop_type_t type, uint_t dld_flags)
2653 {
2654 	dladm_status_t	status = DLADM_STATUS_OK;
2655 	dld_ioc_macprop_t *dip = NULL;
2656 	link_attr_t *p;
2657 
2658 	if ((prop_name == NULL && prop_val != NULL) ||
2659 	    (prop_val != NULL && val_cnt == 0))
2660 		return (DLADM_STATUS_BADARG);
2661 
2662 	p = dladm_name2prop(prop_name);
2663 	if (p->pp_id != MAC_PROP_PRIVATE)
2664 		return (DLADM_STATUS_BADARG);
2665 
2666 	/*
2667 	 * private properties: all parsing is done in the kernel.
2668 	 */
2669 	dip = i_dladm_buf_alloc_by_name(DLADM_PROP_BUF_CHUNK, linkid, prop_name,
2670 	    dld_flags, &status);
2671 	if (dip == NULL)
2672 		return (status);
2673 
2674 	if ((status = i_dladm_macprop(handle, dip, B_FALSE)) ==
2675 	    DLADM_STATUS_OK) {
2676 		if (type == DLADM_PROP_VAL_PERM) {
2677 			(void) dladm_perm2str(dip->pr_perm_flags, *prop_val);
2678 		} else if (type == DLADM_PROP_VAL_MODIFIABLE) {
2679 			*prop_val[0] = '\0';
2680 		} else {
2681 			(void) strncpy(*prop_val, dip->pr_val,
2682 			    DLADM_PROP_VAL_MAX);
2683 		}
2684 		*val_cnt = 1;
2685 	} else if ((status == DLADM_STATUS_NOTSUP) &&
2686 	    (type == DLADM_PROP_VAL_CURRENT)) {
2687 		status = DLADM_STATUS_NOTFOUND;
2688 	}
2689 	free(dip);
2690 	return (status);
2691 }
2692 
2693 
2694 static dladm_status_t
2695 i_dladm_getset_defval(dladm_handle_t handle, prop_desc_t *pdp,
2696     datalink_id_t linkid, datalink_media_t media, uint_t flags)
2697 {
2698 	dladm_status_t status;
2699 	char **prop_vals = NULL, *buf;
2700 	size_t bufsize;
2701 	uint_t cnt;
2702 	int i;
2703 	uint_t perm_flags;
2704 
2705 	/*
2706 	 * Allocate buffer needed for prop_vals array. We can have at most
2707 	 * DLADM_MAX_PROP_VALCNT char *prop_vals[] entries, where
2708 	 * each entry has max size DLADM_PROP_VAL_MAX
2709 	 */
2710 	bufsize =
2711 	    (sizeof (char *) + DLADM_PROP_VAL_MAX) * DLADM_MAX_PROP_VALCNT;
2712 	buf = malloc(bufsize);
2713 	prop_vals = (char **)(void *)buf;
2714 	for (i = 0; i < DLADM_MAX_PROP_VALCNT; i++) {
2715 		prop_vals[i] = buf +
2716 		    sizeof (char *) * DLADM_MAX_PROP_VALCNT +
2717 		    i * DLADM_PROP_VAL_MAX;
2718 	}
2719 
2720 	/*
2721 	 * For properties which have pdp->pd_defval.vd_name as a non-empty
2722 	 * string, the "" itself is used to reset the property (exceptions
2723 	 * are zone and autopush, which populate vdp->vd_val). So
2724 	 * libdladm can copy pdp->pd_defval over to the val_desc_t passed
2725 	 * down on the setprop using the global values in the table. For
2726 	 * other cases (vd_name is ""), doing reset-linkprop will cause
2727 	 * libdladm to do a getprop to find the default value and then do
2728 	 * a setprop to reset the value to default.
2729 	 */
2730 	status = pdp->pd_get(handle, pdp, linkid, prop_vals, &cnt, media,
2731 	    MAC_PROP_DEFAULT, &perm_flags);
2732 	if (status == DLADM_STATUS_OK) {
2733 		if (perm_flags == MAC_PROP_PERM_RW) {
2734 			status = i_dladm_set_single_prop(handle, linkid,
2735 			    pdp->pd_class, media, pdp, prop_vals, cnt, flags);
2736 		}
2737 		else
2738 			status = DLADM_STATUS_NOTSUP;
2739 	}
2740 	free(buf);
2741 	return (status);
2742 }
2743 
2744 int
2745 macprop_to_wifi(mac_prop_id_t wl_prop)
2746 {
2747 	switch (wl_prop) {
2748 	case MAC_PROP_WL_ESSID:
2749 		return (WL_ESSID);
2750 	case MAC_PROP_WL_BSSID:
2751 		return (WL_BSSID);
2752 	case MAC_PROP_WL_BSSTYPE:
2753 		return (WL_BSS_TYPE);
2754 	case MAC_PROP_WL_LINKSTATUS:
2755 		return (WL_LINKSTATUS);
2756 	case MAC_PROP_WL_DESIRED_RATES:
2757 		return (WL_DESIRED_RATES);
2758 	case MAC_PROP_WL_SUPPORTED_RATES:
2759 		return (WL_SUPPORTED_RATES);
2760 	case MAC_PROP_WL_AUTH_MODE:
2761 		return (WL_AUTH_MODE);
2762 	case MAC_PROP_WL_ENCRYPTION:
2763 		return (WL_ENCRYPTION);
2764 	case MAC_PROP_WL_RSSI:
2765 		return (WL_RSSI);
2766 	case MAC_PROP_WL_PHY_CONFIG:
2767 		return (WL_PHY_CONFIG);
2768 	case MAC_PROP_WL_CAPABILITY:
2769 		return (WL_CAPABILITY);
2770 	case MAC_PROP_WL_WPA:
2771 		return (WL_WPA);
2772 	case MAC_PROP_WL_SCANRESULTS:
2773 		return (WL_SCANRESULTS);
2774 	case MAC_PROP_WL_POWER_MODE:
2775 		return (WL_POWER_MODE);
2776 	case MAC_PROP_WL_RADIO:
2777 		return (WL_RADIO);
2778 	case MAC_PROP_WL_ESS_LIST:
2779 		return (WL_ESS_LIST);
2780 	case MAC_PROP_WL_KEY_TAB:
2781 		return (WL_WEP_KEY_TAB);
2782 	case MAC_PROP_WL_CREATE_IBSS:
2783 		return (WL_CREATE_IBSS);
2784 	case MAC_PROP_WL_SETOPTIE:
2785 		return (WL_SETOPTIE);
2786 	case MAC_PROP_WL_DELKEY:
2787 		return (WL_DELKEY);
2788 	case MAC_PROP_WL_KEY:
2789 		return (WL_KEY);
2790 	case MAC_PROP_WL_MLME:
2791 		return (WL_MLME);
2792 	default:
2793 		return (-1);
2794 	}
2795 }
2796 
2797 dladm_status_t
2798 i_dladm_wlan_param(dladm_handle_t handle, datalink_id_t linkid, void *buf,
2799     mac_prop_id_t cmd, size_t len, boolean_t set)
2800 {
2801 	uint32_t		flags;
2802 	dladm_status_t		status;
2803 	uint32_t		media;
2804 	dld_ioc_macprop_t	*dip;
2805 	void			*dp;
2806 
2807 	if ((status = dladm_datalink_id2info(handle, linkid, &flags, NULL,
2808 	    &media, NULL, 0)) != DLADM_STATUS_OK) {
2809 		return (status);
2810 	}
2811 
2812 	if (media != DL_WIFI)
2813 		return (DLADM_STATUS_BADARG);
2814 
2815 	if (!(flags & DLADM_OPT_ACTIVE))
2816 		return (DLADM_STATUS_TEMPONLY);
2817 
2818 	if (len == (MAX_BUF_LEN - WIFI_BUF_OFFSET))
2819 		len = MAX_BUF_LEN - sizeof (dld_ioc_macprop_t) - 1;
2820 
2821 	dip = i_dladm_buf_alloc_by_id(len, linkid, cmd, 0, &status);
2822 	if (dip == NULL)
2823 		return (DLADM_STATUS_NOMEM);
2824 
2825 	dp = (uchar_t *)dip->pr_val;
2826 	if (set)
2827 		(void) memcpy(dp, buf, len);
2828 
2829 	status = i_dladm_macprop(handle, dip, set);
2830 	if (status == DLADM_STATUS_NOTSUP) {
2831 		if (set) {
2832 			status = i_dladm_wlan_set_legacy_ioctl(handle, linkid,
2833 			    buf, len, macprop_to_wifi(cmd));
2834 		} else {
2835 			status = i_dladm_wlan_get_legacy_ioctl(handle, linkid,
2836 			    buf, len, macprop_to_wifi(cmd));
2837 		}
2838 	} else if (status == DLADM_STATUS_OK) {
2839 		if (!set)
2840 			(void) memcpy(buf, dp, len);
2841 	}
2842 
2843 	free(dip);
2844 	return (status);
2845 }
2846 
2847 static dladm_status_t
2848 i_dladm_wlan_get_legacy_ioctl(dladm_handle_t handle, datalink_id_t linkid,
2849     void *buf, uint_t buflen, uint_t id)
2850 {
2851 	wldp_t *gbuf;
2852 	dladm_status_t status;
2853 
2854 	if ((gbuf = malloc(MAX_BUF_LEN)) == NULL)
2855 		return (DLADM_STATUS_NOMEM);
2856 
2857 	(void) memset(gbuf, 0, MAX_BUF_LEN);
2858 	status = i_dladm_wlan_legacy_ioctl(handle, linkid, gbuf, id,
2859 	    MAX_BUF_LEN, WLAN_GET_PARAM, sizeof (wldp_t));
2860 	if (status == DLADM_STATUS_OK)
2861 		(void) memcpy(buf, gbuf->wldp_buf, buflen);
2862 
2863 	free(gbuf);
2864 	return (status);
2865 }
2866 
2867 static dladm_status_t
2868 i_dladm_wlan_set_legacy_ioctl(dladm_handle_t handle, datalink_id_t linkid,
2869     void *buf, uint_t buflen, uint_t id)
2870 {
2871 	wldp_t *gbuf;
2872 	dladm_status_t status = DLADM_STATUS_OK;
2873 
2874 	if ((gbuf = malloc(MAX_BUF_LEN)) == NULL)
2875 		return (DLADM_STATUS_NOMEM);
2876 
2877 	(void) memset(gbuf, 0, MAX_BUF_LEN);
2878 	(void) memcpy(gbuf->wldp_buf, buf, buflen);
2879 	buflen += WIFI_BUF_OFFSET;
2880 	status = i_dladm_wlan_legacy_ioctl(handle, linkid, gbuf, id, buflen,
2881 	    WLAN_SET_PARAM, buflen);
2882 
2883 	free(gbuf);
2884 	return (status);
2885 }
2886 
2887 dladm_status_t
2888 dladm_parse_link_props(char *str, dladm_arg_list_t **listp, boolean_t novalues)
2889 {
2890 	return (dladm_parse_args(str, listp, novalues));
2891 }
2892 
2893 /*
2894  * Retrieve the one link property from the database
2895  */
2896 /*ARGSUSED*/
2897 static int
2898 i_dladm_get_one_prop(dladm_handle_t handle, datalink_id_t linkid,
2899     const char *prop_name, void *arg)
2900 {
2901 	dladm_arg_list_t	*proplist = arg;
2902 	dladm_arg_info_t	*aip = NULL;
2903 
2904 	aip = &proplist->al_info[proplist->al_count];
2905 	/*
2906 	 * it is fine to point to prop_name since prop_name points to the
2907 	 * prop_table[n].pd_name.
2908 	 */
2909 	aip->ai_name = prop_name;
2910 
2911 	(void) dladm_get_linkprop(handle, linkid, DLADM_PROP_VAL_PERSISTENT,
2912 	    prop_name, aip->ai_val, &aip->ai_count);
2913 
2914 	if (aip->ai_count != 0)
2915 		proplist->al_count++;
2916 
2917 	return (DLADM_WALK_CONTINUE);
2918 }
2919 
2920 
2921 /*
2922  * Retrieve all link properties for a link from the database and
2923  * return a property list.
2924  */
2925 dladm_status_t
2926 dladm_link_get_proplist(dladm_handle_t handle, datalink_id_t linkid,
2927     dladm_arg_list_t **listp)
2928 {
2929 	dladm_arg_list_t	*list;
2930 	dladm_status_t		status = DLADM_STATUS_OK;
2931 
2932 	list = calloc(1, sizeof (dladm_arg_list_t));
2933 	if (list == NULL)
2934 		return (dladm_errno2status(errno));
2935 
2936 	status = dladm_walk_linkprop(handle, linkid, list,
2937 	    i_dladm_get_one_prop);
2938 
2939 	*listp = list;
2940 	return (status);
2941 }
2942 
2943 /*
2944  * Retrieve the named property from a proplist, check the value and
2945  * convert to a kernel structure.
2946  */
2947 static dladm_status_t
2948 i_dladm_link_proplist_extract_one(dladm_handle_t handle,
2949     dladm_arg_list_t *proplist, const char *name, void *val)
2950 {
2951 	dladm_status_t		status;
2952 	dladm_arg_info_t	*aip = NULL;
2953 	int			i, j;
2954 
2955 	/* Find named property in proplist */
2956 	for (i = 0; i < proplist->al_count; i++) {
2957 		aip = &proplist->al_info[i];
2958 		if (strcasecmp(aip->ai_name, name) == 0)
2959 			break;
2960 	}
2961 
2962 	/* Property not in list */
2963 	if (i == proplist->al_count)
2964 		return (DLADM_STATUS_OK);
2965 
2966 	for (i = 0; i < DLADM_MAX_PROPS; i++) {
2967 		prop_desc_t	*pdp = &prop_table[i];
2968 		val_desc_t	*vdp;
2969 
2970 		vdp = malloc(sizeof (val_desc_t) * aip->ai_count);
2971 		if (vdp == NULL)
2972 			return (DLADM_STATUS_NOMEM);
2973 
2974 		if (strcasecmp(aip->ai_name, pdp->pd_name) != 0)
2975 			continue;
2976 
2977 		if (aip->ai_val == NULL)
2978 			return (DLADM_STATUS_BADARG);
2979 
2980 		/* Check property value */
2981 		if (pdp->pd_check != NULL) {
2982 			status = pdp->pd_check(handle, pdp, 0, aip->ai_val,
2983 			    aip->ai_count, vdp, 0);
2984 		} else {
2985 			status = DLADM_STATUS_BADARG;
2986 		}
2987 
2988 		if (status != DLADM_STATUS_OK)
2989 			return (status);
2990 
2991 		for (j = 0; j < DLADM_MAX_RSRC_PROP; j++) {
2992 			resource_prop_t	*rpp = &rsrc_prop_table[j];
2993 
2994 			if (strcasecmp(aip->ai_name, rpp->rp_name) != 0)
2995 				continue;
2996 
2997 			/* Extract kernel structure */
2998 			if (rpp->rp_extract != NULL) {
2999 				status = rpp->rp_extract(vdp, val,
3000 				    aip->ai_count);
3001 			} else {
3002 				status = DLADM_STATUS_BADARG;
3003 			}
3004 			break;
3005 		}
3006 
3007 		if (status != DLADM_STATUS_OK)
3008 			return (status);
3009 
3010 		break;
3011 	}
3012 	return (status);
3013 }
3014 
3015 /*
3016  * Extract properties from a proplist and convert to mac_resource_props_t.
3017  */
3018 dladm_status_t
3019 dladm_link_proplist_extract(dladm_handle_t handle, dladm_arg_list_t *proplist,
3020     mac_resource_props_t *mrp)
3021 {
3022 	dladm_status_t	status = DLADM_STATUS_OK;
3023 
3024 	status = i_dladm_link_proplist_extract_one(handle, proplist, "maxbw",
3025 	    mrp);
3026 	if (status != DLADM_STATUS_OK)
3027 		return (status);
3028 	status = i_dladm_link_proplist_extract_one(handle, proplist, "priority",
3029 	    mrp);
3030 	if (status != DLADM_STATUS_OK)
3031 		return (status);
3032 	status = i_dladm_link_proplist_extract_one(handle, proplist, "cpus",
3033 	    mrp);
3034 	if (status != DLADM_STATUS_OK)
3035 		return (status);
3036 	return (status);
3037 }
3038 
3039 static const char *
3040 dladm_perm2str(uint_t perm, char *buf)
3041 {
3042 	(void) snprintf(buf, DLADM_STRSIZE, "%c%c",
3043 	    ((perm & MAC_PROP_PERM_READ) != 0) ? 'r' : '-',
3044 	    ((perm & MAC_PROP_PERM_WRITE) != 0) ? 'w' : '-');
3045 	return (buf);
3046 }
3047 
3048 dladm_status_t
3049 i_dladm_get_state(dladm_handle_t handle, datalink_id_t linkid,
3050     link_state_t *state)
3051 {
3052 	dld_ioc_macprop_t	*dip;
3053 	dladm_status_t		status;
3054 	uint_t			perms;
3055 
3056 	dip = i_dladm_get_public_prop(handle, linkid, "state", 0, &status,
3057 	    &perms);
3058 	if (status != DLADM_STATUS_OK)
3059 		return (status);
3060 	(void) memcpy(state, dip->pr_val, sizeof (*state));
3061 	free(dip);
3062 	return (status);
3063 }
3064 
3065 boolean_t
3066 dladm_attr_is_linkprop(const char *name)
3067 {
3068 	/* non-property attribute names */
3069 	const char *nonprop[] = {
3070 		/* dlmgmtd core attributes */
3071 		"name",
3072 		"class",
3073 		"media",
3074 		FPHYMAJ,
3075 		FPHYINST,
3076 		FDEVNAME,
3077 
3078 		/* other attributes for vlan, aggr, etc */
3079 		DLADM_ATTR_NAMES
3080 	};
3081 	boolean_t	is_nonprop = B_FALSE;
3082 	int		i;
3083 
3084 	for (i = 0; i < sizeof (nonprop) / sizeof (nonprop[0]); i++) {
3085 		if (strcmp(name, nonprop[i]) == 0) {
3086 			is_nonprop = B_TRUE;
3087 			break;
3088 		}
3089 	}
3090 
3091 	return (!is_nonprop);
3092 }
3093