xref: /freebsd/lib/libifconfig/libifconfig_media.c (revision b3e7694832e81d7a904a10f525f8797b753bf0d3)
1b1d757bcSAlan Somers /*
2b1d757bcSAlan Somers  * Copyright (c) 1983, 1993
3b1d757bcSAlan Somers  *  The Regents of the University of California.  All rights reserved.
4b1d757bcSAlan Somers  *
5b1d757bcSAlan Somers  * Redistribution and use in source and binary forms, with or without
6b1d757bcSAlan Somers  * modification, are permitted provided that the following conditions
7b1d757bcSAlan Somers  * are met:
8b1d757bcSAlan Somers  * 1. Redistributions of source code must retain the above copyright
9b1d757bcSAlan Somers  *    notice, this list of conditions and the following disclaimer.
10b1d757bcSAlan Somers  * 2. Redistributions in binary form must reproduce the above copyright
11b1d757bcSAlan Somers  *    notice, this list of conditions and the following disclaimer in the
12b1d757bcSAlan Somers  *    documentation and/or other materials provided with the distribution.
13b1d757bcSAlan Somers  * 3. Neither the name of the University nor the names of its contributors
14b1d757bcSAlan Somers  *    may be used to endorse or promote products derived from this software
15b1d757bcSAlan Somers  *    without specific prior written permission.
16b1d757bcSAlan Somers  *
17b1d757bcSAlan Somers  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18b1d757bcSAlan Somers  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19b1d757bcSAlan Somers  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20b1d757bcSAlan Somers  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21b1d757bcSAlan Somers  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22b1d757bcSAlan Somers  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23b1d757bcSAlan Somers  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24b1d757bcSAlan Somers  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25b1d757bcSAlan Somers  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26b1d757bcSAlan Somers  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27b1d757bcSAlan Somers  * SUCH DAMAGE.
28b1d757bcSAlan Somers  */
29b1d757bcSAlan Somers #include <sys/param.h>
30b1d757bcSAlan Somers #include <sys/ioctl.h>
31b1d757bcSAlan Somers #include <sys/socket.h>
32b1d757bcSAlan Somers #include <sys/sysctl.h>
33b1d757bcSAlan Somers #include <sys/time.h>
34b1d757bcSAlan Somers 
35b1d757bcSAlan Somers #include <net/if.h>
36b1d757bcSAlan Somers #include <net/if_dl.h>
37b1d757bcSAlan Somers #include <net/if_types.h>
38b1d757bcSAlan Somers #include <net/if_media.h>
39b1d757bcSAlan Somers #include <net/route.h>
40b1d757bcSAlan Somers 
41b1d757bcSAlan Somers #include <assert.h>
42b1d757bcSAlan Somers #include <ctype.h>
43b1d757bcSAlan Somers #include <err.h>
44b1d757bcSAlan Somers #include <errno.h>
45b1d757bcSAlan Somers #include <fcntl.h>
46*c4ba4aa5SRyan Moeller #include <stdbool.h>
47b1d757bcSAlan Somers #include <stdio.h>
48b1d757bcSAlan Somers #include <stdlib.h>
49b1d757bcSAlan Somers #include <string.h>
50b1d757bcSAlan Somers #include <unistd.h>
51b1d757bcSAlan Somers 
52b1d757bcSAlan Somers #include "libifconfig.h"
53b1d757bcSAlan Somers #include "libifconfig_internal.h"
54b1d757bcSAlan Somers 
55*c4ba4aa5SRyan Moeller static const struct ifmedia_description *lookup_media_desc(
56*c4ba4aa5SRyan Moeller     const struct ifmedia_description *, const char *);
57*c4ba4aa5SRyan Moeller static const struct ifmedia_type_to_subtype *get_toptype_ttos(ifmedia_t);
58b1d757bcSAlan Somers 
59b1d757bcSAlan Somers #define IFM_OPMODE(x)							 \
60b1d757bcSAlan Somers 	((x) & (IFM_IEEE80211_ADHOC | IFM_IEEE80211_HOSTAP |		 \
61b1d757bcSAlan Somers 	IFM_IEEE80211_IBSS | IFM_IEEE80211_WDS | IFM_IEEE80211_MONITOR | \
62b1d757bcSAlan Somers 	IFM_IEEE80211_MBSS))
63b1d757bcSAlan Somers #define IFM_IEEE80211_STA    0
64b1d757bcSAlan Somers 
65*c4ba4aa5SRyan Moeller static const struct ifmedia_description
66*c4ba4aa5SRyan Moeller     ifm_type_descriptions[] =
67b1d757bcSAlan Somers     IFM_TYPE_DESCRIPTIONS;
68b1d757bcSAlan Somers 
69*c4ba4aa5SRyan Moeller static const struct ifmedia_description
70*c4ba4aa5SRyan Moeller     ifm_subtype_ethernet_descriptions[] =
71b1d757bcSAlan Somers     IFM_SUBTYPE_ETHERNET_DESCRIPTIONS;
72b1d757bcSAlan Somers 
73*c4ba4aa5SRyan Moeller static const struct ifmedia_description
74*c4ba4aa5SRyan Moeller     ifm_subtype_ethernet_aliases[] =
75b1d757bcSAlan Somers     IFM_SUBTYPE_ETHERNET_ALIASES;
76b1d757bcSAlan Somers 
77*c4ba4aa5SRyan Moeller static const struct ifmedia_description
78*c4ba4aa5SRyan Moeller     ifm_subtype_ethernet_option_descriptions[] =
79b1d757bcSAlan Somers     IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS;
80b1d757bcSAlan Somers 
81*c4ba4aa5SRyan Moeller static const struct ifmedia_description
82*c4ba4aa5SRyan Moeller     ifm_subtype_ieee80211_descriptions[] =
83b1d757bcSAlan Somers     IFM_SUBTYPE_IEEE80211_DESCRIPTIONS;
84b1d757bcSAlan Somers 
85*c4ba4aa5SRyan Moeller static const struct ifmedia_description
86*c4ba4aa5SRyan Moeller     ifm_subtype_ieee80211_aliases[] =
87b1d757bcSAlan Somers     IFM_SUBTYPE_IEEE80211_ALIASES;
88b1d757bcSAlan Somers 
89*c4ba4aa5SRyan Moeller static const struct ifmedia_description
90*c4ba4aa5SRyan Moeller     ifm_subtype_ieee80211_option_descriptions[] =
91b1d757bcSAlan Somers     IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS;
92b1d757bcSAlan Somers 
93*c4ba4aa5SRyan Moeller static const struct ifmedia_description
94*c4ba4aa5SRyan Moeller     ifm_subtype_ieee80211_mode_descriptions[] =
95b1d757bcSAlan Somers     IFM_SUBTYPE_IEEE80211_MODE_DESCRIPTIONS;
96b1d757bcSAlan Somers 
97*c4ba4aa5SRyan Moeller static const struct ifmedia_description
98*c4ba4aa5SRyan Moeller     ifm_subtype_ieee80211_mode_aliases[] =
99b1d757bcSAlan Somers     IFM_SUBTYPE_IEEE80211_MODE_ALIASES;
100b1d757bcSAlan Somers 
101*c4ba4aa5SRyan Moeller static const struct ifmedia_description
102*c4ba4aa5SRyan Moeller     ifm_subtype_atm_descriptions[] =
103b1d757bcSAlan Somers     IFM_SUBTYPE_ATM_DESCRIPTIONS;
104b1d757bcSAlan Somers 
105*c4ba4aa5SRyan Moeller static const struct ifmedia_description
106*c4ba4aa5SRyan Moeller     ifm_subtype_atm_aliases[] =
107b1d757bcSAlan Somers     IFM_SUBTYPE_ATM_ALIASES;
108b1d757bcSAlan Somers 
109*c4ba4aa5SRyan Moeller static const struct ifmedia_description
110*c4ba4aa5SRyan Moeller     ifm_subtype_atm_option_descriptions[] =
111b1d757bcSAlan Somers     IFM_SUBTYPE_ATM_OPTION_DESCRIPTIONS;
112b1d757bcSAlan Somers 
113*c4ba4aa5SRyan Moeller static const struct ifmedia_description
114*c4ba4aa5SRyan Moeller     ifm_subtype_shared_descriptions[] =
115b1d757bcSAlan Somers     IFM_SUBTYPE_SHARED_DESCRIPTIONS;
116b1d757bcSAlan Somers 
117*c4ba4aa5SRyan Moeller static const struct ifmedia_description
118*c4ba4aa5SRyan Moeller     ifm_subtype_shared_aliases[] =
119b1d757bcSAlan Somers     IFM_SUBTYPE_SHARED_ALIASES;
120b1d757bcSAlan Somers 
121*c4ba4aa5SRyan Moeller static const struct ifmedia_description
122*c4ba4aa5SRyan Moeller     ifm_shared_option_descriptions[] =
123b1d757bcSAlan Somers     IFM_SHARED_OPTION_DESCRIPTIONS;
124b1d757bcSAlan Somers 
125*c4ba4aa5SRyan Moeller static const struct ifmedia_description
126*c4ba4aa5SRyan Moeller     ifm_shared_option_aliases[] =
127b1d757bcSAlan Somers     IFM_SHARED_OPTION_ALIASES;
128b1d757bcSAlan Somers 
129*c4ba4aa5SRyan Moeller static const struct ifmedia_description *
lookup_media_desc(const struct ifmedia_description * desc,const char * name)130*c4ba4aa5SRyan Moeller lookup_media_desc(const struct ifmedia_description *desc, const char *name)
131*c4ba4aa5SRyan Moeller {
132*c4ba4aa5SRyan Moeller 
133*c4ba4aa5SRyan Moeller 	for (; desc->ifmt_string != NULL; ++desc)
134*c4ba4aa5SRyan Moeller 		if (strcasecmp(desc->ifmt_string, name) == 0)
135*c4ba4aa5SRyan Moeller 			return (desc);
136*c4ba4aa5SRyan Moeller 	return (NULL);
137*c4ba4aa5SRyan Moeller }
138*c4ba4aa5SRyan Moeller 
139b1d757bcSAlan Somers struct ifmedia_type_to_subtype {
140b1d757bcSAlan Somers 	struct {
141*c4ba4aa5SRyan Moeller 		const struct ifmedia_description *desc;
142*c4ba4aa5SRyan Moeller 		bool alias;
143b1d757bcSAlan Somers 	}
144b1d757bcSAlan Somers 	subtypes[5];
145b1d757bcSAlan Somers 	struct {
146*c4ba4aa5SRyan Moeller 		const struct ifmedia_description *desc;
147*c4ba4aa5SRyan Moeller 		bool alias;
148b1d757bcSAlan Somers 	}
149b1d757bcSAlan Somers 	options[4];
150b1d757bcSAlan Somers 	struct {
151*c4ba4aa5SRyan Moeller 		const struct ifmedia_description *desc;
152*c4ba4aa5SRyan Moeller 		bool alias;
153b1d757bcSAlan Somers 	}
154b1d757bcSAlan Somers 	modes[3];
155b1d757bcSAlan Somers };
156b1d757bcSAlan Somers 
157b1d757bcSAlan Somers /* must be in the same order as IFM_TYPE_DESCRIPTIONS */
158*c4ba4aa5SRyan Moeller static const struct ifmedia_type_to_subtype ifmedia_types_to_subtypes[] =
159b1d757bcSAlan Somers {
160b1d757bcSAlan Somers 	{
161b1d757bcSAlan Somers 		{
162b1d757bcSAlan Somers 			{ &ifm_subtype_shared_descriptions[0],		 0 },
163b1d757bcSAlan Somers 			{ &ifm_subtype_shared_aliases[0],		 1 },
164b1d757bcSAlan Somers 			{ &ifm_subtype_ethernet_descriptions[0],	 0 },
165b1d757bcSAlan Somers 			{ &ifm_subtype_ethernet_aliases[0],		 1 },
166b1d757bcSAlan Somers 			{ NULL,						 0 },
167b1d757bcSAlan Somers 		},
168b1d757bcSAlan Somers 		{
169b1d757bcSAlan Somers 			{ &ifm_shared_option_descriptions[0],		 0 },
170b1d757bcSAlan Somers 			{ &ifm_shared_option_aliases[0],		 1 },
171b1d757bcSAlan Somers 			{ &ifm_subtype_ethernet_option_descriptions[0],	 0 },
172b1d757bcSAlan Somers 			{ NULL,						 0 },
173b1d757bcSAlan Somers 		},
174b1d757bcSAlan Somers 		{
175b1d757bcSAlan Somers 			{ NULL,						 0 },
176b1d757bcSAlan Somers 		},
177b1d757bcSAlan Somers 	},
178b1d757bcSAlan Somers 	{
179b1d757bcSAlan Somers 		{
180b1d757bcSAlan Somers 			{ &ifm_subtype_shared_descriptions[0],		 0 },
181b1d757bcSAlan Somers 			{ &ifm_subtype_shared_aliases[0],		 1 },
182b1d757bcSAlan Somers 			{ &ifm_subtype_ieee80211_descriptions[0],	 0 },
183b1d757bcSAlan Somers 			{ &ifm_subtype_ieee80211_aliases[0],		 1 },
184b1d757bcSAlan Somers 			{ NULL,						 0 },
185b1d757bcSAlan Somers 		},
186b1d757bcSAlan Somers 		{
187b1d757bcSAlan Somers 			{ &ifm_shared_option_descriptions[0],		 0 },
188b1d757bcSAlan Somers 			{ &ifm_shared_option_aliases[0],		 1 },
189b1d757bcSAlan Somers 			{ &ifm_subtype_ieee80211_option_descriptions[0], 0 },
190b1d757bcSAlan Somers 			{ NULL,						 0 },
191b1d757bcSAlan Somers 		},
192b1d757bcSAlan Somers 		{
193b1d757bcSAlan Somers 			{ &ifm_subtype_ieee80211_mode_descriptions[0],	 0 },
194b1d757bcSAlan Somers 			{ &ifm_subtype_ieee80211_mode_aliases[0],	 0 },
195b1d757bcSAlan Somers 			{ NULL,						 0 },
196b1d757bcSAlan Somers 		},
197b1d757bcSAlan Somers 	},
198b1d757bcSAlan Somers 	{
199b1d757bcSAlan Somers 		{
200b1d757bcSAlan Somers 			{ &ifm_subtype_shared_descriptions[0],		 0 },
201b1d757bcSAlan Somers 			{ &ifm_subtype_shared_aliases[0],		 1 },
202b1d757bcSAlan Somers 			{ &ifm_subtype_atm_descriptions[0],		 0 },
203b1d757bcSAlan Somers 			{ &ifm_subtype_atm_aliases[0],			 1 },
204b1d757bcSAlan Somers 			{ NULL,						 0 },
205b1d757bcSAlan Somers 		},
206b1d757bcSAlan Somers 		{
207b1d757bcSAlan Somers 			{ &ifm_shared_option_descriptions[0],		 0 },
208b1d757bcSAlan Somers 			{ &ifm_shared_option_aliases[0],		 1 },
209b1d757bcSAlan Somers 			{ &ifm_subtype_atm_option_descriptions[0],	 0 },
210b1d757bcSAlan Somers 			{ NULL,						 0 },
211b1d757bcSAlan Somers 		},
212b1d757bcSAlan Somers 		{
213b1d757bcSAlan Somers 			{ NULL,						 0 },
214b1d757bcSAlan Somers 		},
215b1d757bcSAlan Somers 	},
216b1d757bcSAlan Somers };
217b1d757bcSAlan Somers 
218*c4ba4aa5SRyan Moeller static const struct ifmedia_type_to_subtype *
get_toptype_ttos(ifmedia_t media)219*c4ba4aa5SRyan Moeller get_toptype_ttos(ifmedia_t media)
220b1d757bcSAlan Somers {
221*c4ba4aa5SRyan Moeller 	const struct ifmedia_description *desc;
222*c4ba4aa5SRyan Moeller 	const struct ifmedia_type_to_subtype *ttos;
223b1d757bcSAlan Somers 
224b1d757bcSAlan Somers 	for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
225b1d757bcSAlan Somers 	    desc->ifmt_string != NULL; desc++, ttos++) {
226*c4ba4aa5SRyan Moeller 		if (IFM_TYPE(media) == desc->ifmt_word)
227b1d757bcSAlan Somers 			return (ttos);
228b1d757bcSAlan Somers 	}
229*c4ba4aa5SRyan Moeller 	errno = ENOENT;
230b1d757bcSAlan Somers 	return (NULL);
231b1d757bcSAlan Somers }
232b1d757bcSAlan Somers 
233b1d757bcSAlan Somers const char *
ifconfig_media_get_type(ifmedia_t media)234*c4ba4aa5SRyan Moeller ifconfig_media_get_type(ifmedia_t media)
235b1d757bcSAlan Somers {
236*c4ba4aa5SRyan Moeller 	const struct ifmedia_description *desc;
237b1d757bcSAlan Somers 
238*c4ba4aa5SRyan Moeller 	for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; ++desc) {
239*c4ba4aa5SRyan Moeller 		if (IFM_TYPE(media) == desc->ifmt_word)
240b1d757bcSAlan Somers 			return (desc->ifmt_string);
241b1d757bcSAlan Somers 	}
242*c4ba4aa5SRyan Moeller 	errno = ENOENT;
243*c4ba4aa5SRyan Moeller 	return (NULL);
244*c4ba4aa5SRyan Moeller }
245*c4ba4aa5SRyan Moeller 
246*c4ba4aa5SRyan Moeller ifmedia_t
ifconfig_media_lookup_type(const char * name)247*c4ba4aa5SRyan Moeller ifconfig_media_lookup_type(const char *name)
248*c4ba4aa5SRyan Moeller {
249*c4ba4aa5SRyan Moeller 	const struct ifmedia_description *desc;
250*c4ba4aa5SRyan Moeller 
251*c4ba4aa5SRyan Moeller 	desc = lookup_media_desc(ifm_type_descriptions, name);
252*c4ba4aa5SRyan Moeller 	return (desc == NULL ? INVALID_IFMEDIA : desc->ifmt_word);
253b1d757bcSAlan Somers }
254b1d757bcSAlan Somers 
255b1d757bcSAlan Somers const char *
ifconfig_media_get_subtype(ifmedia_t media)256*c4ba4aa5SRyan Moeller ifconfig_media_get_subtype(ifmedia_t media)
257b1d757bcSAlan Somers {
258*c4ba4aa5SRyan Moeller 	const struct ifmedia_description *desc;
259*c4ba4aa5SRyan Moeller 	const struct ifmedia_type_to_subtype *ttos;
260b1d757bcSAlan Somers 
261*c4ba4aa5SRyan Moeller 	ttos = get_toptype_ttos(media);
262*c4ba4aa5SRyan Moeller 	if (ttos == NULL) {
263*c4ba4aa5SRyan Moeller 		errno = EINVAL;
264*c4ba4aa5SRyan Moeller 		return (NULL);
265*c4ba4aa5SRyan Moeller 	}
266*c4ba4aa5SRyan Moeller 
267*c4ba4aa5SRyan Moeller 	for (size_t i = 0; ttos->subtypes[i].desc != NULL; ++i) {
268*c4ba4aa5SRyan Moeller 		if (ttos->subtypes[i].alias)
269*c4ba4aa5SRyan Moeller 			continue;
270*c4ba4aa5SRyan Moeller 		for (desc = ttos->subtypes[i].desc;
271*c4ba4aa5SRyan Moeller 		    desc->ifmt_string != NULL; ++desc) {
272*c4ba4aa5SRyan Moeller 			if (IFM_SUBTYPE(media) == desc->ifmt_word)
273b1d757bcSAlan Somers 				return (desc->ifmt_string);
274b1d757bcSAlan Somers 		}
275*c4ba4aa5SRyan Moeller 	}
276*c4ba4aa5SRyan Moeller 	errno = ENOENT;
277*c4ba4aa5SRyan Moeller 	return (NULL);
278*c4ba4aa5SRyan Moeller }
279*c4ba4aa5SRyan Moeller 
280*c4ba4aa5SRyan Moeller ifmedia_t
ifconfig_media_lookup_subtype(ifmedia_t media,const char * name)281*c4ba4aa5SRyan Moeller ifconfig_media_lookup_subtype(ifmedia_t media, const char *name)
282*c4ba4aa5SRyan Moeller {
283*c4ba4aa5SRyan Moeller 	const struct ifmedia_description *desc;
284*c4ba4aa5SRyan Moeller 	const struct ifmedia_type_to_subtype *ttos;
285*c4ba4aa5SRyan Moeller 
286*c4ba4aa5SRyan Moeller 	ttos = get_toptype_ttos(media);
287*c4ba4aa5SRyan Moeller 	if (ttos == NULL) {
288*c4ba4aa5SRyan Moeller 		errno = EINVAL;
289*c4ba4aa5SRyan Moeller 		return (INVALID_IFMEDIA);
290*c4ba4aa5SRyan Moeller 	}
291*c4ba4aa5SRyan Moeller 
292*c4ba4aa5SRyan Moeller 	for (size_t i = 0; ttos->subtypes[i].desc != NULL; ++i) {
293*c4ba4aa5SRyan Moeller 		desc = lookup_media_desc(ttos->subtypes[i].desc, name);
294*c4ba4aa5SRyan Moeller 		if (desc != NULL)
295*c4ba4aa5SRyan Moeller 			return (desc->ifmt_word);
296*c4ba4aa5SRyan Moeller 	}
297*c4ba4aa5SRyan Moeller 	errno = ENOENT;
298*c4ba4aa5SRyan Moeller 	return (INVALID_IFMEDIA);
299*c4ba4aa5SRyan Moeller }
300*c4ba4aa5SRyan Moeller 
301*c4ba4aa5SRyan Moeller const char *
ifconfig_media_get_mode(ifmedia_t media)302*c4ba4aa5SRyan Moeller ifconfig_media_get_mode(ifmedia_t media)
303*c4ba4aa5SRyan Moeller {
304*c4ba4aa5SRyan Moeller 	const struct ifmedia_description *desc;
305*c4ba4aa5SRyan Moeller 	const struct ifmedia_type_to_subtype *ttos;
306*c4ba4aa5SRyan Moeller 
307*c4ba4aa5SRyan Moeller 	ttos = get_toptype_ttos(media);
308*c4ba4aa5SRyan Moeller 	if (ttos == NULL) {
309*c4ba4aa5SRyan Moeller 		errno = EINVAL;
310*c4ba4aa5SRyan Moeller 		return (NULL);
311*c4ba4aa5SRyan Moeller 	}
312*c4ba4aa5SRyan Moeller 
313*c4ba4aa5SRyan Moeller 	for (size_t i = 0; ttos->modes[i].desc != NULL; ++i) {
314*c4ba4aa5SRyan Moeller 		if (ttos->modes[i].alias)
315*c4ba4aa5SRyan Moeller 			continue;
316*c4ba4aa5SRyan Moeller 		for (desc = ttos->modes[i].desc;
317*c4ba4aa5SRyan Moeller 		    desc->ifmt_string != NULL; ++desc) {
318*c4ba4aa5SRyan Moeller 			if (IFM_MODE(media) == desc->ifmt_word)
319*c4ba4aa5SRyan Moeller 				return (desc->ifmt_string);
320*c4ba4aa5SRyan Moeller 		}
321*c4ba4aa5SRyan Moeller 	}
322*c4ba4aa5SRyan Moeller 	errno = ENOENT;
323*c4ba4aa5SRyan Moeller 	return (NULL);
324*c4ba4aa5SRyan Moeller }
325*c4ba4aa5SRyan Moeller 
326*c4ba4aa5SRyan Moeller ifmedia_t
ifconfig_media_lookup_mode(ifmedia_t media,const char * name)327*c4ba4aa5SRyan Moeller ifconfig_media_lookup_mode(ifmedia_t media, const char *name)
328*c4ba4aa5SRyan Moeller {
329*c4ba4aa5SRyan Moeller 	const struct ifmedia_description *desc;
330*c4ba4aa5SRyan Moeller 	const struct ifmedia_type_to_subtype *ttos;
331*c4ba4aa5SRyan Moeller 
332*c4ba4aa5SRyan Moeller 	ttos = get_toptype_ttos(media);
333*c4ba4aa5SRyan Moeller 	if (ttos == NULL) {
334*c4ba4aa5SRyan Moeller 		errno = EINVAL;
335*c4ba4aa5SRyan Moeller 		return (INVALID_IFMEDIA);
336*c4ba4aa5SRyan Moeller 	}
337*c4ba4aa5SRyan Moeller 
338*c4ba4aa5SRyan Moeller 	for (size_t i = 0; ttos->modes[i].desc != NULL; ++i) {
339*c4ba4aa5SRyan Moeller 		desc = lookup_media_desc(ttos->modes[i].desc, name);
340*c4ba4aa5SRyan Moeller 		if (desc != NULL)
341*c4ba4aa5SRyan Moeller 			return (desc->ifmt_word);
342*c4ba4aa5SRyan Moeller 	}
343*c4ba4aa5SRyan Moeller 	errno = ENOENT;
344*c4ba4aa5SRyan Moeller 	return (INVALID_IFMEDIA);
345*c4ba4aa5SRyan Moeller }
346*c4ba4aa5SRyan Moeller 
347*c4ba4aa5SRyan Moeller const char **
ifconfig_media_get_options(ifmedia_t media)348*c4ba4aa5SRyan Moeller ifconfig_media_get_options(ifmedia_t media)
349*c4ba4aa5SRyan Moeller {
350*c4ba4aa5SRyan Moeller 	const char **options;
351*c4ba4aa5SRyan Moeller 	const struct ifmedia_description *desc;
352*c4ba4aa5SRyan Moeller 	const struct ifmedia_type_to_subtype *ttos;
353*c4ba4aa5SRyan Moeller 	size_t n;
354*c4ba4aa5SRyan Moeller 
355*c4ba4aa5SRyan Moeller 	ttos = get_toptype_ttos(media);
356*c4ba4aa5SRyan Moeller 	if (ttos == NULL) {
357*c4ba4aa5SRyan Moeller 		errno = EINVAL;
358*c4ba4aa5SRyan Moeller 		return (NULL);
359*c4ba4aa5SRyan Moeller 	}
360*c4ba4aa5SRyan Moeller 
361*c4ba4aa5SRyan Moeller 	n = 0;
362*c4ba4aa5SRyan Moeller 	for (size_t i = 0; ttos->options[i].desc != NULL; ++i) {
363*c4ba4aa5SRyan Moeller 		if (ttos->options[i].alias)
364*c4ba4aa5SRyan Moeller 			continue;
365*c4ba4aa5SRyan Moeller 		for (desc = ttos->options[i].desc;
366*c4ba4aa5SRyan Moeller 		    desc->ifmt_string != NULL; ++desc) {
367*c4ba4aa5SRyan Moeller 			if ((media & desc->ifmt_word) != 0)
368*c4ba4aa5SRyan Moeller 				++n;
369*c4ba4aa5SRyan Moeller 		}
370*c4ba4aa5SRyan Moeller 	}
371*c4ba4aa5SRyan Moeller 	if (n == 0) {
372*c4ba4aa5SRyan Moeller 		errno = ENOENT;
373*c4ba4aa5SRyan Moeller 		return (NULL);
374*c4ba4aa5SRyan Moeller 	}
375*c4ba4aa5SRyan Moeller 
376*c4ba4aa5SRyan Moeller 	options = calloc(n + 1, sizeof(*options));
377*c4ba4aa5SRyan Moeller 	if (options == NULL)
378*c4ba4aa5SRyan Moeller 		return (NULL);
379*c4ba4aa5SRyan Moeller 
380*c4ba4aa5SRyan Moeller 	options[n] = NULL;
381*c4ba4aa5SRyan Moeller 	n = 0;
382*c4ba4aa5SRyan Moeller 	for (size_t i = 0; ttos->options[i].desc != NULL; ++i) {
383*c4ba4aa5SRyan Moeller 		if (ttos->options[i].alias)
384*c4ba4aa5SRyan Moeller 			continue;
385*c4ba4aa5SRyan Moeller 		for (desc = ttos->options[i].desc;
386*c4ba4aa5SRyan Moeller 		    desc->ifmt_string != NULL; ++desc) {
387*c4ba4aa5SRyan Moeller 			if ((media & desc->ifmt_word) != 0) {
388*c4ba4aa5SRyan Moeller 				options[n] = desc->ifmt_string;
389*c4ba4aa5SRyan Moeller 				++n;
390*c4ba4aa5SRyan Moeller 			}
391*c4ba4aa5SRyan Moeller 		}
392*c4ba4aa5SRyan Moeller 	}
393*c4ba4aa5SRyan Moeller 	return (options);
394*c4ba4aa5SRyan Moeller }
395*c4ba4aa5SRyan Moeller 
396*c4ba4aa5SRyan Moeller ifmedia_t *
ifconfig_media_lookup_options(ifmedia_t media,const char ** opts,size_t nopts)397*c4ba4aa5SRyan Moeller ifconfig_media_lookup_options(ifmedia_t media, const char **opts, size_t nopts)
398*c4ba4aa5SRyan Moeller {
399*c4ba4aa5SRyan Moeller 	ifmedia_t *options;
400*c4ba4aa5SRyan Moeller 	const struct ifmedia_description *desc, *opt;
401*c4ba4aa5SRyan Moeller 	const struct ifmedia_type_to_subtype *ttos;
402*c4ba4aa5SRyan Moeller 
403*c4ba4aa5SRyan Moeller 	assert(opts != NULL);
404*c4ba4aa5SRyan Moeller 	assert(nopts > 0);
405*c4ba4aa5SRyan Moeller 
406*c4ba4aa5SRyan Moeller 	ttos = get_toptype_ttos(media);
407*c4ba4aa5SRyan Moeller 	if (ttos == NULL) {
408*c4ba4aa5SRyan Moeller 		errno = EINVAL;
409*c4ba4aa5SRyan Moeller 		return (NULL);
410*c4ba4aa5SRyan Moeller 	}
411*c4ba4aa5SRyan Moeller 
412*c4ba4aa5SRyan Moeller 	options = calloc(nopts, sizeof(*options));
413*c4ba4aa5SRyan Moeller 	if (options == NULL)
414*c4ba4aa5SRyan Moeller 		return (NULL);
415*c4ba4aa5SRyan Moeller 	(void)memset(options, INVALID_IFMEDIA, nopts * sizeof(ifmedia_t));
416*c4ba4aa5SRyan Moeller 
417*c4ba4aa5SRyan Moeller 	for (size_t i = 0; ttos->options[i].desc != NULL; ++i) {
418*c4ba4aa5SRyan Moeller 		desc = ttos->options[i].desc;
419*c4ba4aa5SRyan Moeller 		for (size_t j = 0; j < nopts; ++j) {
420*c4ba4aa5SRyan Moeller 			opt = lookup_media_desc(desc, opts[j]);
421*c4ba4aa5SRyan Moeller 			if (opt != NULL)
422*c4ba4aa5SRyan Moeller 				options[j] = opt->ifmt_word;
423*c4ba4aa5SRyan Moeller 		}
424*c4ba4aa5SRyan Moeller 	}
425*c4ba4aa5SRyan Moeller 	return (options);
426*c4ba4aa5SRyan Moeller }
427b1d757bcSAlan Somers 
428b1d757bcSAlan Somers /***************************************************************************
429b1d757bcSAlan Somers * Above this point, this file is mostly copied from sbin/ifconfig/ifmedia.c
430b1d757bcSAlan Somers ***************************************************************************/
431b1d757bcSAlan Somers 
432b1d757bcSAlan Somers /* Internal structure used for allocations and frees */
433b1d757bcSAlan Somers struct _ifconfig_media_status {
434b1d757bcSAlan Somers 	struct ifmediareq ifmr;
435b1d757bcSAlan Somers 	int medialist[0];
436b1d757bcSAlan Somers };
437b1d757bcSAlan Somers 
438b1d757bcSAlan Somers int
ifconfig_media_get_mediareq(ifconfig_handle_t * h,const char * name,struct ifmediareq ** ifmr)439b1d757bcSAlan Somers ifconfig_media_get_mediareq(ifconfig_handle_t *h, const char *name,
440b1d757bcSAlan Somers     struct ifmediareq **ifmr)
441b1d757bcSAlan Somers {
442b1d757bcSAlan Somers 	struct _ifconfig_media_status *ms, *ms2;
443b1d757bcSAlan Somers 	unsigned long cmd = SIOCGIFXMEDIA;
444b1d757bcSAlan Somers 
445b1d757bcSAlan Somers 	*ifmr = NULL;
446b1d757bcSAlan Somers 	ms = calloc(1, sizeof(*ms));
447b1d757bcSAlan Somers 	if (ms == NULL) {
448b1d757bcSAlan Somers 		h->error.errtype = OTHER;
449b1d757bcSAlan Somers 		h->error.errcode = ENOMEM;
450b1d757bcSAlan Somers 		return (-1);
451b1d757bcSAlan Somers 	}
452b1d757bcSAlan Somers 	(void)strlcpy(ms->ifmr.ifm_name, name, sizeof(ms->ifmr.ifm_name));
453b1d757bcSAlan Somers 
454b1d757bcSAlan Somers 	/*
455b1d757bcSAlan Somers 	 * Check if interface supports extended media types.
456b1d757bcSAlan Somers 	 */
457b1d757bcSAlan Somers 	if (ifconfig_ioctlwrap(h, AF_LOCAL, cmd, &ms->ifmr) < 0) {
458b1d757bcSAlan Somers 		cmd = SIOCGIFMEDIA;
459b1d757bcSAlan Somers 		if (ifconfig_ioctlwrap(h, AF_LOCAL, cmd, &ms->ifmr) < 0) {
460b1d757bcSAlan Somers 			/* Interface doesn't support SIOC{G,S}IFMEDIA.  */
461b1d757bcSAlan Somers 			h->error.errtype = OK;
462b1d757bcSAlan Somers 			free(ms);
463b1d757bcSAlan Somers 			return (-1);
464b1d757bcSAlan Somers 		}
465b1d757bcSAlan Somers 	}
466b1d757bcSAlan Somers 	if (ms->ifmr.ifm_count == 0) {
467b1d757bcSAlan Somers 		*ifmr = &ms->ifmr;
468b1d757bcSAlan Somers 		return (0);     /* Interface has no media types ?*/
469b1d757bcSAlan Somers 	}
470b1d757bcSAlan Somers 
471b1d757bcSAlan Somers 	ms2 = realloc(ms, sizeof(*ms) + sizeof(int) * ms->ifmr.ifm_count);
472b1d757bcSAlan Somers 	if (ms2 == NULL) {
473b1d757bcSAlan Somers 		h->error.errtype = OTHER;
474b1d757bcSAlan Somers 		h->error.errcode = ENOMEM;
475b1d757bcSAlan Somers 		free(ms);
476b1d757bcSAlan Somers 		return (-1);
477b1d757bcSAlan Somers 	}
478b1d757bcSAlan Somers 	ms2->ifmr.ifm_ulist = &ms2->medialist[0];
479b1d757bcSAlan Somers 
480b1d757bcSAlan Somers 	if (ifconfig_ioctlwrap(h, AF_LOCAL, cmd, &ms2->ifmr) < 0) {
481b1d757bcSAlan Somers 		free(ms2);
482b1d757bcSAlan Somers 		return (-1);
483b1d757bcSAlan Somers 	}
484b1d757bcSAlan Somers 
485b1d757bcSAlan Somers 	*ifmr = &ms2->ifmr;
486b1d757bcSAlan Somers 	return (0);
487b1d757bcSAlan Somers }
488b1d757bcSAlan Somers 
489b1d757bcSAlan Somers const char *
ifconfig_media_get_status(const struct ifmediareq * ifmr)490b1d757bcSAlan Somers ifconfig_media_get_status(const struct ifmediareq *ifmr)
491b1d757bcSAlan Somers {
492b1d757bcSAlan Somers 	switch (IFM_TYPE(ifmr->ifm_active)) {
493b1d757bcSAlan Somers 	case IFM_ETHER:
494b1d757bcSAlan Somers 	case IFM_ATM:
495b1d757bcSAlan Somers 		if (ifmr->ifm_status & IFM_ACTIVE) {
496b1d757bcSAlan Somers 			return ("active");
497b1d757bcSAlan Somers 		} else {
498b1d757bcSAlan Somers 			return ("no carrier");
499b1d757bcSAlan Somers 		}
500b1d757bcSAlan Somers 		break;
501b1d757bcSAlan Somers 
502b1d757bcSAlan Somers 	case IFM_IEEE80211:
503b1d757bcSAlan Somers 		if (ifmr->ifm_status & IFM_ACTIVE) {
504b1d757bcSAlan Somers 			/* NB: only sta mode associates */
505b1d757bcSAlan Somers 			if (IFM_OPMODE(ifmr->ifm_active) == IFM_IEEE80211_STA) {
506b1d757bcSAlan Somers 				return ("associated");
507b1d757bcSAlan Somers 			} else {
508b1d757bcSAlan Somers 				return ("running");
509b1d757bcSAlan Somers 			}
510b1d757bcSAlan Somers 		} else {
511b1d757bcSAlan Somers 			return ("no carrier");
512b1d757bcSAlan Somers 		}
513b1d757bcSAlan Somers 		break;
514b1d757bcSAlan Somers 	default:
515b1d757bcSAlan Somers 		return ("");
516b1d757bcSAlan Somers 	}
517b1d757bcSAlan Somers }
518b1d757bcSAlan Somers 
519b12a960eSRyan Moeller int
ifconfig_media_get_downreason(ifconfig_handle_t * h,const char * name,struct ifdownreason * ifdr)520b12a960eSRyan Moeller ifconfig_media_get_downreason(ifconfig_handle_t *h, const char *name,
521b12a960eSRyan Moeller     struct ifdownreason *ifdr)
522b12a960eSRyan Moeller {
523b12a960eSRyan Moeller 
524b12a960eSRyan Moeller 	(void)memset(ifdr, 0, sizeof(*ifdr));
525b12a960eSRyan Moeller 	(void)strlcpy(ifdr->ifdr_name, name, sizeof(ifdr->ifdr_name));
526b12a960eSRyan Moeller 	return (ifconfig_ioctlwrap(h, AF_LOCAL, SIOCGIFDOWNREASON, ifdr));
527b12a960eSRyan Moeller }
528