xref: /freebsd/sbin/ifconfig/ifieee80211.c (revision 8b25e8410533a6e69cceff910546b2dc485a5059)
1 /*
2  * Copyright 2001 The Aerospace Corporation.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  * 3. The name of The Aerospace Corporation may not be used to endorse or
13  *    promote products derived from this software.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AEROSPACE CORPORATION ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AEROSPACE CORPORATION BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 /*-
31  * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc.
32  * All rights reserved.
33  *
34  * This code is derived from software contributed to The NetBSD Foundation
35  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
36  * NASA Ames Research Center.
37  *
38  * Redistribution and use in source and binary forms, with or without
39  * modification, are permitted provided that the following conditions
40  * are met:
41  * 1. Redistributions of source code must retain the above copyright
42  *    notice, this list of conditions and the following disclaimer.
43  * 2. Redistributions in binary form must reproduce the above copyright
44  *    notice, this list of conditions and the following disclaimer in the
45  *    documentation and/or other materials provided with the distribution.
46  *
47  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
48  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
49  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
50  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
51  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
52  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
53  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
54  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
55  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
56  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
57  * POSSIBILITY OF SUCH DAMAGE.
58  */
59 
60 #include <sys/param.h>
61 #include <sys/ioctl.h>
62 #include <sys/socket.h>
63 #include <sys/sysctl.h>
64 #include <sys/time.h>
65 
66 #include <net/ethernet.h>
67 #include <net/if.h>
68 #include <net/if_dl.h>
69 #include <net/if_types.h>
70 #include <net/if_media.h>
71 #include <net/route.h>
72 
73 #include <net80211/ieee80211_ioctl.h>
74 #include <net80211/ieee80211_freebsd.h>
75 #include <net80211/ieee80211_superg.h>
76 #include <net80211/ieee80211_tdma.h>
77 #include <net80211/ieee80211_mesh.h>
78 
79 #include <assert.h>
80 #include <ctype.h>
81 #include <err.h>
82 #include <errno.h>
83 #include <fcntl.h>
84 #include <inttypes.h>
85 #include <stdio.h>
86 #include <stdlib.h>
87 #include <string.h>
88 #include <unistd.h>
89 #include <stdarg.h>
90 #include <stddef.h>		/* NB: for offsetof */
91 
92 #include "ifconfig.h"
93 
94 #include <lib80211/lib80211_regdomain.h>
95 #include <lib80211/lib80211_ioctl.h>
96 
97 #ifndef IEEE80211_FIXED_RATE_NONE
98 #define	IEEE80211_FIXED_RATE_NONE	0xff
99 #endif
100 
101 /* XXX need these publicly defined or similar */
102 #ifndef IEEE80211_NODE_AUTH
103 #define	IEEE80211_NODE_AUTH	0x000001	/* authorized for data */
104 #define	IEEE80211_NODE_QOS	0x000002	/* QoS enabled */
105 #define	IEEE80211_NODE_ERP	0x000004	/* ERP enabled */
106 #define	IEEE80211_NODE_PWR_MGT	0x000010	/* power save mode enabled */
107 #define	IEEE80211_NODE_AREF	0x000020	/* authentication ref held */
108 #define	IEEE80211_NODE_HT	0x000040	/* HT enabled */
109 #define	IEEE80211_NODE_HTCOMPAT	0x000080	/* HT setup w/ vendor OUI's */
110 #define	IEEE80211_NODE_WPS	0x000100	/* WPS association */
111 #define	IEEE80211_NODE_TSN	0x000200	/* TSN association */
112 #define	IEEE80211_NODE_AMPDU_RX	0x000400	/* AMPDU rx enabled */
113 #define	IEEE80211_NODE_AMPDU_TX	0x000800	/* AMPDU tx enabled */
114 #define	IEEE80211_NODE_MIMO_PS	0x001000	/* MIMO power save enabled */
115 #define	IEEE80211_NODE_MIMO_RTS	0x002000	/* send RTS in MIMO PS */
116 #define	IEEE80211_NODE_RIFS	0x004000	/* RIFS enabled */
117 #define	IEEE80211_NODE_SGI20	0x008000	/* Short GI in HT20 enabled */
118 #define	IEEE80211_NODE_SGI40	0x010000	/* Short GI in HT40 enabled */
119 #define	IEEE80211_NODE_ASSOCID	0x020000	/* xmit requires associd */
120 #define	IEEE80211_NODE_AMSDU_RX	0x040000	/* AMSDU rx enabled */
121 #define	IEEE80211_NODE_AMSDU_TX	0x080000	/* AMSDU tx enabled */
122 #define	IEEE80211_NODE_VHT	0x100000	/* VHT enabled */
123 #endif
124 
125 #define	MAXCHAN	1536		/* max 1.5K channels */
126 
127 #define	MAXCOL	78
128 static	int col;
129 static	char spacer;
130 
131 static void LINE_INIT(char c);
132 static void LINE_BREAK(void);
133 static void LINE_CHECK(const char *fmt, ...);
134 
135 static const char *modename[IEEE80211_MODE_MAX] = {
136 	[IEEE80211_MODE_AUTO]	  = "auto",
137 	[IEEE80211_MODE_11A]	  = "11a",
138 	[IEEE80211_MODE_11B]	  = "11b",
139 	[IEEE80211_MODE_11G]	  = "11g",
140 	[IEEE80211_MODE_FH]	  = "fh",
141 	[IEEE80211_MODE_TURBO_A]  = "turboA",
142 	[IEEE80211_MODE_TURBO_G]  = "turboG",
143 	[IEEE80211_MODE_STURBO_A] = "sturbo",
144 	[IEEE80211_MODE_11NA]	  = "11na",
145 	[IEEE80211_MODE_11NG]	  = "11ng",
146 	[IEEE80211_MODE_HALF]	  = "half",
147 	[IEEE80211_MODE_QUARTER]  = "quarter",
148 	[IEEE80211_MODE_VHT_2GHZ] = "11acg",
149 	[IEEE80211_MODE_VHT_5GHZ] = "11ac",
150 };
151 
152 static void set80211(int s, int type, int val, int len, void *data);
153 static int get80211(int s, int type, void *data, int len);
154 static int get80211len(int s, int type, void *data, int len, int *plen);
155 static int get80211val(int s, int type, int *val);
156 static const char *get_string(const char *val, const char *sep,
157     u_int8_t *buf, int *lenp);
158 static void print_string(const u_int8_t *buf, int len);
159 static void print_regdomain(const struct ieee80211_regdomain *, int);
160 static void print_channels(int, const struct ieee80211req_chaninfo *,
161     int allchans, int verbose);
162 static void regdomain_makechannels(struct ieee80211_regdomain_req *,
163     const struct ieee80211_devcaps_req *);
164 static const char *mesh_linkstate_string(uint8_t state);
165 
166 static struct ieee80211req_chaninfo *chaninfo;
167 static struct ieee80211_regdomain regdomain;
168 static int gotregdomain = 0;
169 static struct ieee80211_roamparams_req roamparams;
170 static int gotroam = 0;
171 static struct ieee80211_txparams_req txparams;
172 static int gottxparams = 0;
173 static struct ieee80211_channel curchan;
174 static int gotcurchan = 0;
175 static struct ifmediareq *ifmr;
176 static int htconf = 0;
177 static	int gothtconf = 0;
178 
179 static void
180 gethtconf(int s)
181 {
182 	if (gothtconf)
183 		return;
184 	if (get80211val(s, IEEE80211_IOC_HTCONF, &htconf) < 0)
185 		warn("unable to get HT configuration information");
186 	gothtconf = 1;
187 }
188 
189 /* VHT */
190 static int vhtconf = 0;
191 static	int gotvhtconf = 0;
192 
193 static void
194 getvhtconf(int s)
195 {
196 	if (gotvhtconf)
197 		return;
198 	if (get80211val(s, IEEE80211_IOC_VHTCONF, &vhtconf) < 0)
199 		warn("unable to get VHT configuration information");
200 	gotvhtconf = 1;
201 }
202 
203 /*
204  * Collect channel info from the kernel.  We use this (mostly)
205  * to handle mapping between frequency and IEEE channel number.
206  */
207 static void
208 getchaninfo(int s)
209 {
210 	if (chaninfo != NULL)
211 		return;
212 	chaninfo = malloc(IEEE80211_CHANINFO_SIZE(MAXCHAN));
213 	if (chaninfo == NULL)
214 		errx(1, "no space for channel list");
215 	if (get80211(s, IEEE80211_IOC_CHANINFO, chaninfo,
216 	    IEEE80211_CHANINFO_SIZE(MAXCHAN)) < 0)
217 		err(1, "unable to get channel information");
218 	ifmr = ifmedia_getstate(s);
219 	gethtconf(s);
220 	getvhtconf(s);
221 }
222 
223 static struct regdata *
224 getregdata(void)
225 {
226 	static struct regdata *rdp = NULL;
227 	if (rdp == NULL) {
228 		rdp = lib80211_alloc_regdata();
229 		if (rdp == NULL)
230 			errx(-1, "missing or corrupted regdomain database");
231 	}
232 	return rdp;
233 }
234 
235 /*
236  * Given the channel at index i with attributes from,
237  * check if there is a channel with attributes to in
238  * the channel table.  With suitable attributes this
239  * allows the caller to look for promotion; e.g. from
240  * 11b > 11g.
241  */
242 static int
243 canpromote(int i, int from, int to)
244 {
245 	const struct ieee80211_channel *fc = &chaninfo->ic_chans[i];
246 	u_int j;
247 
248 	if ((fc->ic_flags & from) != from)
249 		return i;
250 	/* NB: quick check exploiting ordering of chans w/ same frequency */
251 	if (i+1 < chaninfo->ic_nchans &&
252 	    chaninfo->ic_chans[i+1].ic_freq == fc->ic_freq &&
253 	    (chaninfo->ic_chans[i+1].ic_flags & to) == to)
254 		return i+1;
255 	/* brute force search in case channel list is not ordered */
256 	for (j = 0; j < chaninfo->ic_nchans; j++) {
257 		const struct ieee80211_channel *tc = &chaninfo->ic_chans[j];
258 		if (j != i &&
259 		    tc->ic_freq == fc->ic_freq && (tc->ic_flags & to) == to)
260 		return j;
261 	}
262 	return i;
263 }
264 
265 /*
266  * Handle channel promotion.  When a channel is specified with
267  * only a frequency we want to promote it to the ``best'' channel
268  * available.  The channel list has separate entries for 11b, 11g,
269  * 11a, and 11n[ga] channels so specifying a frequency w/o any
270  * attributes requires we upgrade, e.g. from 11b -> 11g.  This
271  * gets complicated when the channel is specified on the same
272  * command line with a media request that constrains the available
273  * channe list (e.g. mode 11a); we want to honor that to avoid
274  * confusing behaviour.
275  */
276 /*
277  * XXX VHT
278  */
279 static int
280 promote(int i)
281 {
282 	/*
283 	 * Query the current mode of the interface in case it's
284 	 * constrained (e.g. to 11a).  We must do this carefully
285 	 * as there may be a pending ifmedia request in which case
286 	 * asking the kernel will give us the wrong answer.  This
287 	 * is an unfortunate side-effect of the way ifconfig is
288 	 * structure for modularity (yech).
289 	 *
290 	 * NB: ifmr is actually setup in getchaninfo (above); we
291 	 *     assume it's called coincident with to this call so
292 	 *     we have a ``current setting''; otherwise we must pass
293 	 *     the socket descriptor down to here so we can make
294 	 *     the ifmedia_getstate call ourselves.
295 	 */
296 	int chanmode = ifmr != NULL ? IFM_MODE(ifmr->ifm_current) : IFM_AUTO;
297 
298 	/* when ambiguous promote to ``best'' */
299 	/* NB: we abitrarily pick HT40+ over HT40- */
300 	if (chanmode != IFM_IEEE80211_11B)
301 		i = canpromote(i, IEEE80211_CHAN_B, IEEE80211_CHAN_G);
302 	if (chanmode != IFM_IEEE80211_11G && (htconf & 1)) {
303 		i = canpromote(i, IEEE80211_CHAN_G,
304 			IEEE80211_CHAN_G | IEEE80211_CHAN_HT20);
305 		if (htconf & 2) {
306 			i = canpromote(i, IEEE80211_CHAN_G,
307 				IEEE80211_CHAN_G | IEEE80211_CHAN_HT40D);
308 			i = canpromote(i, IEEE80211_CHAN_G,
309 				IEEE80211_CHAN_G | IEEE80211_CHAN_HT40U);
310 		}
311 	}
312 	if (chanmode != IFM_IEEE80211_11A && (htconf & 1)) {
313 		i = canpromote(i, IEEE80211_CHAN_A,
314 			IEEE80211_CHAN_A | IEEE80211_CHAN_HT20);
315 		if (htconf & 2) {
316 			i = canpromote(i, IEEE80211_CHAN_A,
317 				IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D);
318 			i = canpromote(i, IEEE80211_CHAN_A,
319 				IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U);
320 		}
321 	}
322 	return i;
323 }
324 
325 static void
326 mapfreq(struct ieee80211_channel *chan, int freq, int flags)
327 {
328 	u_int i;
329 
330 	for (i = 0; i < chaninfo->ic_nchans; i++) {
331 		const struct ieee80211_channel *c = &chaninfo->ic_chans[i];
332 
333 		if (c->ic_freq == freq && (c->ic_flags & flags) == flags) {
334 			if (flags == 0) {
335 				/* when ambiguous promote to ``best'' */
336 				c = &chaninfo->ic_chans[promote(i)];
337 			}
338 			*chan = *c;
339 			return;
340 		}
341 	}
342 	errx(1, "unknown/undefined frequency %u/0x%x", freq, flags);
343 }
344 
345 static void
346 mapchan(struct ieee80211_channel *chan, int ieee, int flags)
347 {
348 	u_int i;
349 
350 	for (i = 0; i < chaninfo->ic_nchans; i++) {
351 		const struct ieee80211_channel *c = &chaninfo->ic_chans[i];
352 
353 		if (c->ic_ieee == ieee && (c->ic_flags & flags) == flags) {
354 			if (flags == 0) {
355 				/* when ambiguous promote to ``best'' */
356 				c = &chaninfo->ic_chans[promote(i)];
357 			}
358 			*chan = *c;
359 			return;
360 		}
361 	}
362 	errx(1, "unknown/undefined channel number %d flags 0x%x", ieee, flags);
363 }
364 
365 static const struct ieee80211_channel *
366 getcurchan(int s)
367 {
368 	if (gotcurchan)
369 		return &curchan;
370 	if (get80211(s, IEEE80211_IOC_CURCHAN, &curchan, sizeof(curchan)) < 0) {
371 		int val;
372 		/* fall back to legacy ioctl */
373 		if (get80211val(s, IEEE80211_IOC_CHANNEL, &val) < 0)
374 			err(-1, "cannot figure out current channel");
375 		getchaninfo(s);
376 		mapchan(&curchan, val, 0);
377 	}
378 	gotcurchan = 1;
379 	return &curchan;
380 }
381 
382 static enum ieee80211_phymode
383 chan2mode(const struct ieee80211_channel *c)
384 {
385 	if (IEEE80211_IS_CHAN_VHTA(c))
386 		return IEEE80211_MODE_VHT_5GHZ;
387 	if (IEEE80211_IS_CHAN_VHTG(c))
388 		return IEEE80211_MODE_VHT_2GHZ;
389 	if (IEEE80211_IS_CHAN_HTA(c))
390 		return IEEE80211_MODE_11NA;
391 	if (IEEE80211_IS_CHAN_HTG(c))
392 		return IEEE80211_MODE_11NG;
393 	if (IEEE80211_IS_CHAN_108A(c))
394 		return IEEE80211_MODE_TURBO_A;
395 	if (IEEE80211_IS_CHAN_108G(c))
396 		return IEEE80211_MODE_TURBO_G;
397 	if (IEEE80211_IS_CHAN_ST(c))
398 		return IEEE80211_MODE_STURBO_A;
399 	if (IEEE80211_IS_CHAN_FHSS(c))
400 		return IEEE80211_MODE_FH;
401 	if (IEEE80211_IS_CHAN_HALF(c))
402 		return IEEE80211_MODE_HALF;
403 	if (IEEE80211_IS_CHAN_QUARTER(c))
404 		return IEEE80211_MODE_QUARTER;
405 	if (IEEE80211_IS_CHAN_A(c))
406 		return IEEE80211_MODE_11A;
407 	if (IEEE80211_IS_CHAN_ANYG(c))
408 		return IEEE80211_MODE_11G;
409 	if (IEEE80211_IS_CHAN_B(c))
410 		return IEEE80211_MODE_11B;
411 	return IEEE80211_MODE_AUTO;
412 }
413 
414 static void
415 getroam(int s)
416 {
417 	if (gotroam)
418 		return;
419 	if (get80211(s, IEEE80211_IOC_ROAM,
420 	    &roamparams, sizeof(roamparams)) < 0)
421 		err(1, "unable to get roaming parameters");
422 	gotroam = 1;
423 }
424 
425 static void
426 setroam_cb(int s, void *arg)
427 {
428 	struct ieee80211_roamparams_req *roam = arg;
429 	set80211(s, IEEE80211_IOC_ROAM, 0, sizeof(*roam), roam);
430 }
431 
432 static void
433 gettxparams(int s)
434 {
435 	if (gottxparams)
436 		return;
437 	if (get80211(s, IEEE80211_IOC_TXPARAMS,
438 	    &txparams, sizeof(txparams)) < 0)
439 		err(1, "unable to get transmit parameters");
440 	gottxparams = 1;
441 }
442 
443 static void
444 settxparams_cb(int s, void *arg)
445 {
446 	struct ieee80211_txparams_req *txp = arg;
447 	set80211(s, IEEE80211_IOC_TXPARAMS, 0, sizeof(*txp), txp);
448 }
449 
450 static void
451 getregdomain(int s)
452 {
453 	if (gotregdomain)
454 		return;
455 	if (get80211(s, IEEE80211_IOC_REGDOMAIN,
456 	    &regdomain, sizeof(regdomain)) < 0)
457 		err(1, "unable to get regulatory domain info");
458 	gotregdomain = 1;
459 }
460 
461 static void
462 getdevcaps(int s, struct ieee80211_devcaps_req *dc)
463 {
464 	if (get80211(s, IEEE80211_IOC_DEVCAPS, dc,
465 	    IEEE80211_DEVCAPS_SPACE(dc)) < 0)
466 		err(1, "unable to get device capabilities");
467 }
468 
469 static void
470 setregdomain_cb(int s, void *arg)
471 {
472 	struct ieee80211_regdomain_req *req;
473 	struct ieee80211_regdomain *rd = arg;
474 	struct ieee80211_devcaps_req *dc;
475 	struct regdata *rdp = getregdata();
476 
477 	if (rd->country != NO_COUNTRY) {
478 		const struct country *cc;
479 		/*
480 		 * Check current country seting to make sure it's
481 		 * compatible with the new regdomain.  If not, then
482 		 * override it with any default country for this
483 		 * SKU.  If we cannot arrange a match, then abort.
484 		 */
485 		cc = lib80211_country_findbycc(rdp, rd->country);
486 		if (cc == NULL)
487 			errx(1, "unknown ISO country code %d", rd->country);
488 		if (cc->rd->sku != rd->regdomain) {
489 			const struct regdomain *rp;
490 			/*
491 			 * Check if country is incompatible with regdomain.
492 			 * To enable multiple regdomains for a country code
493 			 * we permit a mismatch between the regdomain and
494 			 * the country's associated regdomain when the
495 			 * regdomain is setup w/o a default country.  For
496 			 * example, US is bound to the FCC regdomain but
497 			 * we allow US to be combined with FCC3 because FCC3
498 			 * has not default country.  This allows bogus
499 			 * combinations like FCC3+DK which are resolved when
500 			 * constructing the channel list by deferring to the
501 			 * regdomain to construct the channel list.
502 			 */
503 			rp = lib80211_regdomain_findbysku(rdp, rd->regdomain);
504 			if (rp == NULL)
505 				errx(1, "country %s (%s) is not usable with "
506 				    "regdomain %d", cc->isoname, cc->name,
507 				    rd->regdomain);
508 			else if (rp->cc != NULL && rp->cc != cc)
509 				errx(1, "country %s (%s) is not usable with "
510 				   "regdomain %s", cc->isoname, cc->name,
511 				   rp->name);
512 		}
513 	}
514 	/*
515 	 * Fetch the device capabilities and calculate the
516 	 * full set of netbands for which we request a new
517 	 * channel list be constructed.  Once that's done we
518 	 * push the regdomain info + channel list to the kernel.
519 	 */
520 	dc = malloc(IEEE80211_DEVCAPS_SIZE(MAXCHAN));
521 	if (dc == NULL)
522 		errx(1, "no space for device capabilities");
523 	dc->dc_chaninfo.ic_nchans = MAXCHAN;
524 	getdevcaps(s, dc);
525 #if 0
526 	if (verbose) {
527 		printf("drivercaps: 0x%x\n", dc->dc_drivercaps);
528 		printf("cryptocaps: 0x%x\n", dc->dc_cryptocaps);
529 		printf("htcaps    : 0x%x\n", dc->dc_htcaps);
530 		printf("vhtcaps   : 0x%x\n", dc->dc_vhtcaps);
531 #if 0
532 		memcpy(chaninfo, &dc->dc_chaninfo,
533 		    IEEE80211_CHANINFO_SPACE(&dc->dc_chaninfo));
534 		print_channels(s, &dc->dc_chaninfo, 1/*allchans*/, 1/*verbose*/);
535 #endif
536 	}
537 #endif
538 	req = malloc(IEEE80211_REGDOMAIN_SIZE(dc->dc_chaninfo.ic_nchans));
539 	if (req == NULL)
540 		errx(1, "no space for regdomain request");
541 	req->rd = *rd;
542 	regdomain_makechannels(req, dc);
543 	if (verbose) {
544 		LINE_INIT(':');
545 		print_regdomain(rd, 1/*verbose*/);
546 		LINE_BREAK();
547 		/* blech, reallocate channel list for new data */
548 		if (chaninfo != NULL)
549 			free(chaninfo);
550 		chaninfo = malloc(IEEE80211_CHANINFO_SPACE(&req->chaninfo));
551 		if (chaninfo == NULL)
552 			errx(1, "no space for channel list");
553 		memcpy(chaninfo, &req->chaninfo,
554 		    IEEE80211_CHANINFO_SPACE(&req->chaninfo));
555 		print_channels(s, &req->chaninfo, 1/*allchans*/, 1/*verbose*/);
556 	}
557 	if (req->chaninfo.ic_nchans == 0)
558 		errx(1, "no channels calculated");
559 	set80211(s, IEEE80211_IOC_REGDOMAIN, 0,
560 	    IEEE80211_REGDOMAIN_SPACE(req), req);
561 	free(req);
562 	free(dc);
563 }
564 
565 static int
566 ieee80211_mhz2ieee(int freq, int flags)
567 {
568 	struct ieee80211_channel chan;
569 	mapfreq(&chan, freq, flags);
570 	return chan.ic_ieee;
571 }
572 
573 static int
574 isanyarg(const char *arg)
575 {
576 	return (strncmp(arg, "-", 1) == 0 ||
577 	    strncasecmp(arg, "any", 3) == 0 || strncasecmp(arg, "off", 3) == 0);
578 }
579 
580 static void
581 set80211ssid(const char *val, int d, int s, const struct afswtch *rafp)
582 {
583 	int		ssid;
584 	int		len;
585 	u_int8_t	data[IEEE80211_NWID_LEN];
586 
587 	ssid = 0;
588 	len = strlen(val);
589 	if (len > 2 && isdigit((int)val[0]) && val[1] == ':') {
590 		ssid = atoi(val)-1;
591 		val += 2;
592 	}
593 
594 	bzero(data, sizeof(data));
595 	len = sizeof(data);
596 	if (get_string(val, NULL, data, &len) == NULL)
597 		exit(1);
598 
599 	set80211(s, IEEE80211_IOC_SSID, ssid, len, data);
600 }
601 
602 static void
603 set80211meshid(const char *val, int d, int s, const struct afswtch *rafp)
604 {
605 	int		len;
606 	u_int8_t	data[IEEE80211_NWID_LEN];
607 
608 	memset(data, 0, sizeof(data));
609 	len = sizeof(data);
610 	if (get_string(val, NULL, data, &len) == NULL)
611 		exit(1);
612 
613 	set80211(s, IEEE80211_IOC_MESH_ID, 0, len, data);
614 }
615 
616 static void
617 set80211stationname(const char *val, int d, int s, const struct afswtch *rafp)
618 {
619 	int			len;
620 	u_int8_t		data[33];
621 
622 	bzero(data, sizeof(data));
623 	len = sizeof(data);
624 	get_string(val, NULL, data, &len);
625 
626 	set80211(s, IEEE80211_IOC_STATIONNAME, 0, len, data);
627 }
628 
629 /*
630  * Parse a channel specification for attributes/flags.
631  * The syntax is:
632  *	freq/xx		channel width (5,10,20,40,40+,40-)
633  *	freq:mode	channel mode (a,b,g,h,n,t,s,d)
634  *
635  * These can be combined in either order; e.g. 2437:ng/40.
636  * Modes are case insensitive.
637  *
638  * The result is not validated here; it's assumed to be
639  * checked against the channel table fetched from the kernel.
640  */
641 static int
642 getchannelflags(const char *val, int freq)
643 {
644 #define	_CHAN_HT	0x80000000
645 	const char *cp;
646 	int flags;
647 	int is_vht = 0;
648 
649 	flags = 0;
650 
651 	cp = strchr(val, ':');
652 	if (cp != NULL) {
653 		for (cp++; isalpha((int) *cp); cp++) {
654 			/* accept mixed case */
655 			int c = *cp;
656 			if (isupper(c))
657 				c = tolower(c);
658 			switch (c) {
659 			case 'a':		/* 802.11a */
660 				flags |= IEEE80211_CHAN_A;
661 				break;
662 			case 'b':		/* 802.11b */
663 				flags |= IEEE80211_CHAN_B;
664 				break;
665 			case 'g':		/* 802.11g */
666 				flags |= IEEE80211_CHAN_G;
667 				break;
668 			case 'v':		/* vht: 802.11ac */
669 				is_vht = 1;
670 				/* Fallthrough */
671 			case 'h':		/* ht = 802.11n */
672 			case 'n':		/* 802.11n */
673 				flags |= _CHAN_HT;	/* NB: private */
674 				break;
675 			case 'd':		/* dt = Atheros Dynamic Turbo */
676 				flags |= IEEE80211_CHAN_TURBO;
677 				break;
678 			case 't':		/* ht, dt, st, t */
679 				/* dt and unadorned t specify Dynamic Turbo */
680 				if ((flags & (IEEE80211_CHAN_STURBO|_CHAN_HT)) == 0)
681 					flags |= IEEE80211_CHAN_TURBO;
682 				break;
683 			case 's':		/* st = Atheros Static Turbo */
684 				flags |= IEEE80211_CHAN_STURBO;
685 				break;
686 			default:
687 				errx(-1, "%s: Invalid channel attribute %c\n",
688 				    val, *cp);
689 			}
690 		}
691 	}
692 	cp = strchr(val, '/');
693 	if (cp != NULL) {
694 		char *ep;
695 		u_long cw = strtoul(cp+1, &ep, 10);
696 
697 		switch (cw) {
698 		case 5:
699 			flags |= IEEE80211_CHAN_QUARTER;
700 			break;
701 		case 10:
702 			flags |= IEEE80211_CHAN_HALF;
703 			break;
704 		case 20:
705 			/* NB: this may be removed below */
706 			flags |= IEEE80211_CHAN_HT20;
707 			break;
708 		case 40:
709 		case 80:
710 		case 160:
711 			/* Handle the 80/160 VHT flag */
712 			if (cw == 80)
713 				flags |= IEEE80211_CHAN_VHT80;
714 			else if (cw == 160)
715 				flags |= IEEE80211_CHAN_VHT160;
716 
717 			/* Fallthrough */
718 			if (ep != NULL && *ep == '+')
719 				flags |= IEEE80211_CHAN_HT40U;
720 			else if (ep != NULL && *ep == '-')
721 				flags |= IEEE80211_CHAN_HT40D;
722 			break;
723 		default:
724 			errx(-1, "%s: Invalid channel width\n", val);
725 		}
726 	}
727 
728 	/*
729 	 * Cleanup specifications.
730 	 */
731 	if ((flags & _CHAN_HT) == 0) {
732 		/*
733 		 * If user specified freq/20 or freq/40 quietly remove
734 		 * HT cw attributes depending on channel use.  To give
735 		 * an explicit 20/40 width for an HT channel you must
736 		 * indicate it is an HT channel since all HT channels
737 		 * are also usable for legacy operation; e.g. freq:n/40.
738 		 */
739 		flags &= ~IEEE80211_CHAN_HT;
740 		flags &= ~IEEE80211_CHAN_VHT;
741 	} else {
742 		/*
743 		 * Remove private indicator that this is an HT channel
744 		 * and if no explicit channel width has been given
745 		 * provide the default settings.
746 		 */
747 		flags &= ~_CHAN_HT;
748 		if ((flags & IEEE80211_CHAN_HT) == 0) {
749 			struct ieee80211_channel chan;
750 			/*
751 			 * Consult the channel list to see if we can use
752 			 * HT40+ or HT40- (if both the map routines choose).
753 			 */
754 			if (freq > 255)
755 				mapfreq(&chan, freq, 0);
756 			else
757 				mapchan(&chan, freq, 0);
758 			flags |= (chan.ic_flags & IEEE80211_CHAN_HT);
759 		}
760 
761 		/*
762 		 * If VHT is enabled, then also set the VHT flag and the
763 		 * relevant channel up/down.
764 		 */
765 		if (is_vht && (flags & IEEE80211_CHAN_HT)) {
766 			/*
767 			 * XXX yes, maybe we should just have VHT, and reuse
768 			 * HT20/HT40U/HT40D
769 			 */
770 			if (flags & IEEE80211_CHAN_VHT80)
771 				;
772 			else if (flags & IEEE80211_CHAN_HT20)
773 				flags |= IEEE80211_CHAN_VHT20;
774 			else if (flags & IEEE80211_CHAN_HT40U)
775 				flags |= IEEE80211_CHAN_VHT40U;
776 			else if (flags & IEEE80211_CHAN_HT40D)
777 				flags |= IEEE80211_CHAN_VHT40D;
778 		}
779 	}
780 	return flags;
781 #undef _CHAN_HT
782 }
783 
784 static void
785 getchannel(int s, struct ieee80211_channel *chan, const char *val)
786 {
787 	int v, flags;
788 	char *eptr;
789 
790 	memset(chan, 0, sizeof(*chan));
791 	if (isanyarg(val)) {
792 		chan->ic_freq = IEEE80211_CHAN_ANY;
793 		return;
794 	}
795 	getchaninfo(s);
796 	errno = 0;
797 	v = strtol(val, &eptr, 10);
798 	if (val[0] == '\0' || val == eptr || errno == ERANGE ||
799 	    /* channel may be suffixed with nothing, :flag, or /width */
800 	    (eptr[0] != '\0' && eptr[0] != ':' && eptr[0] != '/'))
801 		errx(1, "invalid channel specification%s",
802 		    errno == ERANGE ? " (out of range)" : "");
803 	flags = getchannelflags(val, v);
804 	if (v > 255) {		/* treat as frequency */
805 		mapfreq(chan, v, flags);
806 	} else {
807 		mapchan(chan, v, flags);
808 	}
809 }
810 
811 static void
812 set80211channel(const char *val, int d, int s, const struct afswtch *rafp)
813 {
814 	struct ieee80211_channel chan;
815 
816 	getchannel(s, &chan, val);
817 	set80211(s, IEEE80211_IOC_CURCHAN, 0, sizeof(chan), &chan);
818 }
819 
820 static void
821 set80211chanswitch(const char *val, int d, int s, const struct afswtch *rafp)
822 {
823 	struct ieee80211_chanswitch_req csr;
824 
825 	getchannel(s, &csr.csa_chan, val);
826 	csr.csa_mode = 1;
827 	csr.csa_count = 5;
828 	set80211(s, IEEE80211_IOC_CHANSWITCH, 0, sizeof(csr), &csr);
829 }
830 
831 static void
832 set80211authmode(const char *val, int d, int s, const struct afswtch *rafp)
833 {
834 	int	mode;
835 
836 	if (strcasecmp(val, "none") == 0) {
837 		mode = IEEE80211_AUTH_NONE;
838 	} else if (strcasecmp(val, "open") == 0) {
839 		mode = IEEE80211_AUTH_OPEN;
840 	} else if (strcasecmp(val, "shared") == 0) {
841 		mode = IEEE80211_AUTH_SHARED;
842 	} else if (strcasecmp(val, "8021x") == 0) {
843 		mode = IEEE80211_AUTH_8021X;
844 	} else if (strcasecmp(val, "wpa") == 0) {
845 		mode = IEEE80211_AUTH_WPA;
846 	} else {
847 		errx(1, "unknown authmode");
848 	}
849 
850 	set80211(s, IEEE80211_IOC_AUTHMODE, mode, 0, NULL);
851 }
852 
853 static void
854 set80211powersavemode(const char *val, int d, int s, const struct afswtch *rafp)
855 {
856 	int	mode;
857 
858 	if (strcasecmp(val, "off") == 0) {
859 		mode = IEEE80211_POWERSAVE_OFF;
860 	} else if (strcasecmp(val, "on") == 0) {
861 		mode = IEEE80211_POWERSAVE_ON;
862 	} else if (strcasecmp(val, "cam") == 0) {
863 		mode = IEEE80211_POWERSAVE_CAM;
864 	} else if (strcasecmp(val, "psp") == 0) {
865 		mode = IEEE80211_POWERSAVE_PSP;
866 	} else if (strcasecmp(val, "psp-cam") == 0) {
867 		mode = IEEE80211_POWERSAVE_PSP_CAM;
868 	} else {
869 		errx(1, "unknown powersavemode");
870 	}
871 
872 	set80211(s, IEEE80211_IOC_POWERSAVE, mode, 0, NULL);
873 }
874 
875 static void
876 set80211powersave(const char *val, int d, int s, const struct afswtch *rafp)
877 {
878 	if (d == 0)
879 		set80211(s, IEEE80211_IOC_POWERSAVE, IEEE80211_POWERSAVE_OFF,
880 		    0, NULL);
881 	else
882 		set80211(s, IEEE80211_IOC_POWERSAVE, IEEE80211_POWERSAVE_ON,
883 		    0, NULL);
884 }
885 
886 static void
887 set80211powersavesleep(const char *val, int d, int s, const struct afswtch *rafp)
888 {
889 	set80211(s, IEEE80211_IOC_POWERSAVESLEEP, atoi(val), 0, NULL);
890 }
891 
892 static void
893 set80211wepmode(const char *val, int d, int s, const struct afswtch *rafp)
894 {
895 	int	mode;
896 
897 	if (strcasecmp(val, "off") == 0) {
898 		mode = IEEE80211_WEP_OFF;
899 	} else if (strcasecmp(val, "on") == 0) {
900 		mode = IEEE80211_WEP_ON;
901 	} else if (strcasecmp(val, "mixed") == 0) {
902 		mode = IEEE80211_WEP_MIXED;
903 	} else {
904 		errx(1, "unknown wep mode");
905 	}
906 
907 	set80211(s, IEEE80211_IOC_WEP, mode, 0, NULL);
908 }
909 
910 static void
911 set80211wep(const char *val, int d, int s, const struct afswtch *rafp)
912 {
913 	set80211(s, IEEE80211_IOC_WEP, d, 0, NULL);
914 }
915 
916 static int
917 isundefarg(const char *arg)
918 {
919 	return (strcmp(arg, "-") == 0 || strncasecmp(arg, "undef", 5) == 0);
920 }
921 
922 static void
923 set80211weptxkey(const char *val, int d, int s, const struct afswtch *rafp)
924 {
925 	if (isundefarg(val))
926 		set80211(s, IEEE80211_IOC_WEPTXKEY, IEEE80211_KEYIX_NONE, 0, NULL);
927 	else
928 		set80211(s, IEEE80211_IOC_WEPTXKEY, atoi(val)-1, 0, NULL);
929 }
930 
931 static void
932 set80211wepkey(const char *val, int d, int s, const struct afswtch *rafp)
933 {
934 	int		key = 0;
935 	int		len;
936 	u_int8_t	data[IEEE80211_KEYBUF_SIZE];
937 
938 	if (isdigit((int)val[0]) && val[1] == ':') {
939 		key = atoi(val)-1;
940 		val += 2;
941 	}
942 
943 	bzero(data, sizeof(data));
944 	len = sizeof(data);
945 	get_string(val, NULL, data, &len);
946 
947 	set80211(s, IEEE80211_IOC_WEPKEY, key, len, data);
948 }
949 
950 /*
951  * This function is purely a NetBSD compatibility interface.  The NetBSD
952  * interface is too inflexible, but it's there so we'll support it since
953  * it's not all that hard.
954  */
955 static void
956 set80211nwkey(const char *val, int d, int s, const struct afswtch *rafp)
957 {
958 	int		txkey;
959 	int		i, len;
960 	u_int8_t	data[IEEE80211_KEYBUF_SIZE];
961 
962 	set80211(s, IEEE80211_IOC_WEP, IEEE80211_WEP_ON, 0, NULL);
963 
964 	if (isdigit((int)val[0]) && val[1] == ':') {
965 		txkey = val[0]-'0'-1;
966 		val += 2;
967 
968 		for (i = 0; i < 4; i++) {
969 			bzero(data, sizeof(data));
970 			len = sizeof(data);
971 			val = get_string(val, ",", data, &len);
972 			if (val == NULL)
973 				exit(1);
974 
975 			set80211(s, IEEE80211_IOC_WEPKEY, i, len, data);
976 		}
977 	} else {
978 		bzero(data, sizeof(data));
979 		len = sizeof(data);
980 		get_string(val, NULL, data, &len);
981 		txkey = 0;
982 
983 		set80211(s, IEEE80211_IOC_WEPKEY, 0, len, data);
984 
985 		bzero(data, sizeof(data));
986 		for (i = 1; i < 4; i++)
987 			set80211(s, IEEE80211_IOC_WEPKEY, i, 0, data);
988 	}
989 
990 	set80211(s, IEEE80211_IOC_WEPTXKEY, txkey, 0, NULL);
991 }
992 
993 static void
994 set80211rtsthreshold(const char *val, int d, int s, const struct afswtch *rafp)
995 {
996 	set80211(s, IEEE80211_IOC_RTSTHRESHOLD,
997 		isundefarg(val) ? IEEE80211_RTS_MAX : atoi(val), 0, NULL);
998 }
999 
1000 static void
1001 set80211protmode(const char *val, int d, int s, const struct afswtch *rafp)
1002 {
1003 	int	mode;
1004 
1005 	if (strcasecmp(val, "off") == 0) {
1006 		mode = IEEE80211_PROTMODE_OFF;
1007 	} else if (strcasecmp(val, "cts") == 0) {
1008 		mode = IEEE80211_PROTMODE_CTS;
1009 	} else if (strncasecmp(val, "rtscts", 3) == 0) {
1010 		mode = IEEE80211_PROTMODE_RTSCTS;
1011 	} else {
1012 		errx(1, "unknown protection mode");
1013 	}
1014 
1015 	set80211(s, IEEE80211_IOC_PROTMODE, mode, 0, NULL);
1016 }
1017 
1018 static void
1019 set80211htprotmode(const char *val, int d, int s, const struct afswtch *rafp)
1020 {
1021 	int	mode;
1022 
1023 	if (strcasecmp(val, "off") == 0) {
1024 		mode = IEEE80211_PROTMODE_OFF;
1025 	} else if (strncasecmp(val, "rts", 3) == 0) {
1026 		mode = IEEE80211_PROTMODE_RTSCTS;
1027 	} else {
1028 		errx(1, "unknown protection mode");
1029 	}
1030 
1031 	set80211(s, IEEE80211_IOC_HTPROTMODE, mode, 0, NULL);
1032 }
1033 
1034 static void
1035 set80211txpower(const char *val, int d, int s, const struct afswtch *rafp)
1036 {
1037 	double v = atof(val);
1038 	int txpow;
1039 
1040 	txpow = (int) (2*v);
1041 	if (txpow != 2*v)
1042 		errx(-1, "invalid tx power (must be .5 dBm units)");
1043 	set80211(s, IEEE80211_IOC_TXPOWER, txpow, 0, NULL);
1044 }
1045 
1046 #define	IEEE80211_ROAMING_DEVICE	0
1047 #define	IEEE80211_ROAMING_AUTO		1
1048 #define	IEEE80211_ROAMING_MANUAL	2
1049 
1050 static void
1051 set80211roaming(const char *val, int d, int s, const struct afswtch *rafp)
1052 {
1053 	int mode;
1054 
1055 	if (strcasecmp(val, "device") == 0) {
1056 		mode = IEEE80211_ROAMING_DEVICE;
1057 	} else if (strcasecmp(val, "auto") == 0) {
1058 		mode = IEEE80211_ROAMING_AUTO;
1059 	} else if (strcasecmp(val, "manual") == 0) {
1060 		mode = IEEE80211_ROAMING_MANUAL;
1061 	} else {
1062 		errx(1, "unknown roaming mode");
1063 	}
1064 	set80211(s, IEEE80211_IOC_ROAMING, mode, 0, NULL);
1065 }
1066 
1067 static void
1068 set80211wme(const char *val, int d, int s, const struct afswtch *rafp)
1069 {
1070 	set80211(s, IEEE80211_IOC_WME, d, 0, NULL);
1071 }
1072 
1073 static void
1074 set80211hidessid(const char *val, int d, int s, const struct afswtch *rafp)
1075 {
1076 	set80211(s, IEEE80211_IOC_HIDESSID, d, 0, NULL);
1077 }
1078 
1079 static void
1080 set80211apbridge(const char *val, int d, int s, const struct afswtch *rafp)
1081 {
1082 	set80211(s, IEEE80211_IOC_APBRIDGE, d, 0, NULL);
1083 }
1084 
1085 static void
1086 set80211fastframes(const char *val, int d, int s, const struct afswtch *rafp)
1087 {
1088 	set80211(s, IEEE80211_IOC_FF, d, 0, NULL);
1089 }
1090 
1091 static void
1092 set80211dturbo(const char *val, int d, int s, const struct afswtch *rafp)
1093 {
1094 	set80211(s, IEEE80211_IOC_TURBOP, d, 0, NULL);
1095 }
1096 
1097 static void
1098 set80211chanlist(const char *val, int d, int s, const struct afswtch *rafp)
1099 {
1100 	struct ieee80211req_chanlist chanlist;
1101 	char *temp, *cp, *tp;
1102 
1103 	temp = malloc(strlen(val) + 1);
1104 	if (temp == NULL)
1105 		errx(1, "malloc failed");
1106 	strcpy(temp, val);
1107 	memset(&chanlist, 0, sizeof(chanlist));
1108 	cp = temp;
1109 	for (;;) {
1110 		int first, last, f, c;
1111 
1112 		tp = strchr(cp, ',');
1113 		if (tp != NULL)
1114 			*tp++ = '\0';
1115 		switch (sscanf(cp, "%u-%u", &first, &last)) {
1116 		case 1:
1117 			if (first > IEEE80211_CHAN_MAX)
1118 				errx(-1, "channel %u out of range, max %u",
1119 					first, IEEE80211_CHAN_MAX);
1120 			setbit(chanlist.ic_channels, first);
1121 			break;
1122 		case 2:
1123 			if (first > IEEE80211_CHAN_MAX)
1124 				errx(-1, "channel %u out of range, max %u",
1125 					first, IEEE80211_CHAN_MAX);
1126 			if (last > IEEE80211_CHAN_MAX)
1127 				errx(-1, "channel %u out of range, max %u",
1128 					last, IEEE80211_CHAN_MAX);
1129 			if (first > last)
1130 				errx(-1, "void channel range, %u > %u",
1131 					first, last);
1132 			for (f = first; f <= last; f++)
1133 				setbit(chanlist.ic_channels, f);
1134 			break;
1135 		}
1136 		if (tp == NULL)
1137 			break;
1138 		c = *tp;
1139 		while (isspace(c))
1140 			tp++;
1141 		if (!isdigit(c))
1142 			break;
1143 		cp = tp;
1144 	}
1145 	set80211(s, IEEE80211_IOC_CHANLIST, 0, sizeof(chanlist), &chanlist);
1146 }
1147 
1148 static void
1149 set80211bssid(const char *val, int d, int s, const struct afswtch *rafp)
1150 {
1151 
1152 	if (!isanyarg(val)) {
1153 		char *temp;
1154 		struct sockaddr_dl sdl;
1155 
1156 		temp = malloc(strlen(val) + 2); /* ':' and '\0' */
1157 		if (temp == NULL)
1158 			errx(1, "malloc failed");
1159 		temp[0] = ':';
1160 		strcpy(temp + 1, val);
1161 		sdl.sdl_len = sizeof(sdl);
1162 		link_addr(temp, &sdl);
1163 		free(temp);
1164 		if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
1165 			errx(1, "malformed link-level address");
1166 		set80211(s, IEEE80211_IOC_BSSID, 0,
1167 			IEEE80211_ADDR_LEN, LLADDR(&sdl));
1168 	} else {
1169 		uint8_t zerobssid[IEEE80211_ADDR_LEN];
1170 		memset(zerobssid, 0, sizeof(zerobssid));
1171 		set80211(s, IEEE80211_IOC_BSSID, 0,
1172 			IEEE80211_ADDR_LEN, zerobssid);
1173 	}
1174 }
1175 
1176 static int
1177 getac(const char *ac)
1178 {
1179 	if (strcasecmp(ac, "ac_be") == 0 || strcasecmp(ac, "be") == 0)
1180 		return WME_AC_BE;
1181 	if (strcasecmp(ac, "ac_bk") == 0 || strcasecmp(ac, "bk") == 0)
1182 		return WME_AC_BK;
1183 	if (strcasecmp(ac, "ac_vi") == 0 || strcasecmp(ac, "vi") == 0)
1184 		return WME_AC_VI;
1185 	if (strcasecmp(ac, "ac_vo") == 0 || strcasecmp(ac, "vo") == 0)
1186 		return WME_AC_VO;
1187 	errx(1, "unknown wme access class %s", ac);
1188 }
1189 
1190 static
1191 DECL_CMD_FUNC2(set80211cwmin, ac, val)
1192 {
1193 	set80211(s, IEEE80211_IOC_WME_CWMIN, atoi(val), getac(ac), NULL);
1194 }
1195 
1196 static
1197 DECL_CMD_FUNC2(set80211cwmax, ac, val)
1198 {
1199 	set80211(s, IEEE80211_IOC_WME_CWMAX, atoi(val), getac(ac), NULL);
1200 }
1201 
1202 static
1203 DECL_CMD_FUNC2(set80211aifs, ac, val)
1204 {
1205 	set80211(s, IEEE80211_IOC_WME_AIFS, atoi(val), getac(ac), NULL);
1206 }
1207 
1208 static
1209 DECL_CMD_FUNC2(set80211txoplimit, ac, val)
1210 {
1211 	set80211(s, IEEE80211_IOC_WME_TXOPLIMIT, atoi(val), getac(ac), NULL);
1212 }
1213 
1214 static
1215 DECL_CMD_FUNC(set80211acm, ac, d)
1216 {
1217 	set80211(s, IEEE80211_IOC_WME_ACM, 1, getac(ac), NULL);
1218 }
1219 static
1220 DECL_CMD_FUNC(set80211noacm, ac, d)
1221 {
1222 	set80211(s, IEEE80211_IOC_WME_ACM, 0, getac(ac), NULL);
1223 }
1224 
1225 static
1226 DECL_CMD_FUNC(set80211ackpolicy, ac, d)
1227 {
1228 	set80211(s, IEEE80211_IOC_WME_ACKPOLICY, 1, getac(ac), NULL);
1229 }
1230 static
1231 DECL_CMD_FUNC(set80211noackpolicy, ac, d)
1232 {
1233 	set80211(s, IEEE80211_IOC_WME_ACKPOLICY, 0, getac(ac), NULL);
1234 }
1235 
1236 static
1237 DECL_CMD_FUNC2(set80211bsscwmin, ac, val)
1238 {
1239 	set80211(s, IEEE80211_IOC_WME_CWMIN, atoi(val),
1240 		getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
1241 }
1242 
1243 static
1244 DECL_CMD_FUNC2(set80211bsscwmax, ac, val)
1245 {
1246 	set80211(s, IEEE80211_IOC_WME_CWMAX, atoi(val),
1247 		getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
1248 }
1249 
1250 static
1251 DECL_CMD_FUNC2(set80211bssaifs, ac, val)
1252 {
1253 	set80211(s, IEEE80211_IOC_WME_AIFS, atoi(val),
1254 		getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
1255 }
1256 
1257 static
1258 DECL_CMD_FUNC2(set80211bsstxoplimit, ac, val)
1259 {
1260 	set80211(s, IEEE80211_IOC_WME_TXOPLIMIT, atoi(val),
1261 		getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
1262 }
1263 
1264 static
1265 DECL_CMD_FUNC(set80211dtimperiod, val, d)
1266 {
1267 	set80211(s, IEEE80211_IOC_DTIM_PERIOD, atoi(val), 0, NULL);
1268 }
1269 
1270 static
1271 DECL_CMD_FUNC(set80211bintval, val, d)
1272 {
1273 	set80211(s, IEEE80211_IOC_BEACON_INTERVAL, atoi(val), 0, NULL);
1274 }
1275 
1276 static void
1277 set80211macmac(int s, int op, const char *val)
1278 {
1279 	char *temp;
1280 	struct sockaddr_dl sdl;
1281 
1282 	temp = malloc(strlen(val) + 2); /* ':' and '\0' */
1283 	if (temp == NULL)
1284 		errx(1, "malloc failed");
1285 	temp[0] = ':';
1286 	strcpy(temp + 1, val);
1287 	sdl.sdl_len = sizeof(sdl);
1288 	link_addr(temp, &sdl);
1289 	free(temp);
1290 	if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
1291 		errx(1, "malformed link-level address");
1292 	set80211(s, op, 0, IEEE80211_ADDR_LEN, LLADDR(&sdl));
1293 }
1294 
1295 static
1296 DECL_CMD_FUNC(set80211addmac, val, d)
1297 {
1298 	set80211macmac(s, IEEE80211_IOC_ADDMAC, val);
1299 }
1300 
1301 static
1302 DECL_CMD_FUNC(set80211delmac, val, d)
1303 {
1304 	set80211macmac(s, IEEE80211_IOC_DELMAC, val);
1305 }
1306 
1307 static
1308 DECL_CMD_FUNC(set80211kickmac, val, d)
1309 {
1310 	char *temp;
1311 	struct sockaddr_dl sdl;
1312 	struct ieee80211req_mlme mlme;
1313 
1314 	temp = malloc(strlen(val) + 2); /* ':' and '\0' */
1315 	if (temp == NULL)
1316 		errx(1, "malloc failed");
1317 	temp[0] = ':';
1318 	strcpy(temp + 1, val);
1319 	sdl.sdl_len = sizeof(sdl);
1320 	link_addr(temp, &sdl);
1321 	free(temp);
1322 	if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
1323 		errx(1, "malformed link-level address");
1324 	memset(&mlme, 0, sizeof(mlme));
1325 	mlme.im_op = IEEE80211_MLME_DEAUTH;
1326 	mlme.im_reason = IEEE80211_REASON_AUTH_EXPIRE;
1327 	memcpy(mlme.im_macaddr, LLADDR(&sdl), IEEE80211_ADDR_LEN);
1328 	set80211(s, IEEE80211_IOC_MLME, 0, sizeof(mlme), &mlme);
1329 }
1330 
1331 static
1332 DECL_CMD_FUNC(set80211maccmd, val, d)
1333 {
1334 	set80211(s, IEEE80211_IOC_MACCMD, d, 0, NULL);
1335 }
1336 
1337 static void
1338 set80211meshrtmac(int s, int req, const char *val)
1339 {
1340 	char *temp;
1341 	struct sockaddr_dl sdl;
1342 
1343 	temp = malloc(strlen(val) + 2); /* ':' and '\0' */
1344 	if (temp == NULL)
1345 		errx(1, "malloc failed");
1346 	temp[0] = ':';
1347 	strcpy(temp + 1, val);
1348 	sdl.sdl_len = sizeof(sdl);
1349 	link_addr(temp, &sdl);
1350 	free(temp);
1351 	if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
1352 		errx(1, "malformed link-level address");
1353 	set80211(s, IEEE80211_IOC_MESH_RTCMD, req,
1354 	    IEEE80211_ADDR_LEN, LLADDR(&sdl));
1355 }
1356 
1357 static
1358 DECL_CMD_FUNC(set80211addmeshrt, val, d)
1359 {
1360 	set80211meshrtmac(s, IEEE80211_MESH_RTCMD_ADD, val);
1361 }
1362 
1363 static
1364 DECL_CMD_FUNC(set80211delmeshrt, val, d)
1365 {
1366 	set80211meshrtmac(s, IEEE80211_MESH_RTCMD_DELETE, val);
1367 }
1368 
1369 static
1370 DECL_CMD_FUNC(set80211meshrtcmd, val, d)
1371 {
1372 	set80211(s, IEEE80211_IOC_MESH_RTCMD, d, 0, NULL);
1373 }
1374 
1375 static
1376 DECL_CMD_FUNC(set80211hwmprootmode, val, d)
1377 {
1378 	int mode;
1379 
1380 	if (strcasecmp(val, "normal") == 0)
1381 		mode = IEEE80211_HWMP_ROOTMODE_NORMAL;
1382 	else if (strcasecmp(val, "proactive") == 0)
1383 		mode = IEEE80211_HWMP_ROOTMODE_PROACTIVE;
1384 	else if (strcasecmp(val, "rann") == 0)
1385 		mode = IEEE80211_HWMP_ROOTMODE_RANN;
1386 	else
1387 		mode = IEEE80211_HWMP_ROOTMODE_DISABLED;
1388 	set80211(s, IEEE80211_IOC_HWMP_ROOTMODE, mode, 0, NULL);
1389 }
1390 
1391 static
1392 DECL_CMD_FUNC(set80211hwmpmaxhops, val, d)
1393 {
1394 	set80211(s, IEEE80211_IOC_HWMP_MAXHOPS, atoi(val), 0, NULL);
1395 }
1396 
1397 static void
1398 set80211pureg(const char *val, int d, int s, const struct afswtch *rafp)
1399 {
1400 	set80211(s, IEEE80211_IOC_PUREG, d, 0, NULL);
1401 }
1402 
1403 static void
1404 set80211quiet(const char *val, int d, int s, const struct afswtch *rafp)
1405 {
1406 	set80211(s, IEEE80211_IOC_QUIET, d, 0, NULL);
1407 }
1408 
1409 static
1410 DECL_CMD_FUNC(set80211quietperiod, val, d)
1411 {
1412 	set80211(s, IEEE80211_IOC_QUIET_PERIOD, atoi(val), 0, NULL);
1413 }
1414 
1415 static
1416 DECL_CMD_FUNC(set80211quietcount, val, d)
1417 {
1418 	set80211(s, IEEE80211_IOC_QUIET_COUNT, atoi(val), 0, NULL);
1419 }
1420 
1421 static
1422 DECL_CMD_FUNC(set80211quietduration, val, d)
1423 {
1424 	set80211(s, IEEE80211_IOC_QUIET_DUR, atoi(val), 0, NULL);
1425 }
1426 
1427 static
1428 DECL_CMD_FUNC(set80211quietoffset, val, d)
1429 {
1430 	set80211(s, IEEE80211_IOC_QUIET_OFFSET, atoi(val), 0, NULL);
1431 }
1432 
1433 static void
1434 set80211bgscan(const char *val, int d, int s, const struct afswtch *rafp)
1435 {
1436 	set80211(s, IEEE80211_IOC_BGSCAN, d, 0, NULL);
1437 }
1438 
1439 static
1440 DECL_CMD_FUNC(set80211bgscanidle, val, d)
1441 {
1442 	set80211(s, IEEE80211_IOC_BGSCAN_IDLE, atoi(val), 0, NULL);
1443 }
1444 
1445 static
1446 DECL_CMD_FUNC(set80211bgscanintvl, val, d)
1447 {
1448 	set80211(s, IEEE80211_IOC_BGSCAN_INTERVAL, atoi(val), 0, NULL);
1449 }
1450 
1451 static
1452 DECL_CMD_FUNC(set80211scanvalid, val, d)
1453 {
1454 	set80211(s, IEEE80211_IOC_SCANVALID, atoi(val), 0, NULL);
1455 }
1456 
1457 /*
1458  * Parse an optional trailing specification of which netbands
1459  * to apply a parameter to.  This is basically the same syntax
1460  * as used for channels but you can concatenate to specify
1461  * multiple.  For example:
1462  *	14:abg		apply to 11a, 11b, and 11g
1463  *	6:ht		apply to 11na and 11ng
1464  * We don't make a big effort to catch silly things; this is
1465  * really a convenience mechanism.
1466  */
1467 static int
1468 getmodeflags(const char *val)
1469 {
1470 	const char *cp;
1471 	int flags;
1472 
1473 	flags = 0;
1474 
1475 	cp = strchr(val, ':');
1476 	if (cp != NULL) {
1477 		for (cp++; isalpha((int) *cp); cp++) {
1478 			/* accept mixed case */
1479 			int c = *cp;
1480 			if (isupper(c))
1481 				c = tolower(c);
1482 			switch (c) {
1483 			case 'a':		/* 802.11a */
1484 				flags |= IEEE80211_CHAN_A;
1485 				break;
1486 			case 'b':		/* 802.11b */
1487 				flags |= IEEE80211_CHAN_B;
1488 				break;
1489 			case 'g':		/* 802.11g */
1490 				flags |= IEEE80211_CHAN_G;
1491 				break;
1492 			case 'n':		/* 802.11n */
1493 				flags |= IEEE80211_CHAN_HT;
1494 				break;
1495 			case 'd':		/* dt = Atheros Dynamic Turbo */
1496 				flags |= IEEE80211_CHAN_TURBO;
1497 				break;
1498 			case 't':		/* ht, dt, st, t */
1499 				/* dt and unadorned t specify Dynamic Turbo */
1500 				if ((flags & (IEEE80211_CHAN_STURBO|IEEE80211_CHAN_HT)) == 0)
1501 					flags |= IEEE80211_CHAN_TURBO;
1502 				break;
1503 			case 's':		/* st = Atheros Static Turbo */
1504 				flags |= IEEE80211_CHAN_STURBO;
1505 				break;
1506 			case 'h':		/* 1/2-width channels */
1507 				flags |= IEEE80211_CHAN_HALF;
1508 				break;
1509 			case 'q':		/* 1/4-width channels */
1510 				flags |= IEEE80211_CHAN_QUARTER;
1511 				break;
1512 			case 'v':
1513 				/* XXX set HT too? */
1514 				flags |= IEEE80211_CHAN_VHT;
1515 				break;
1516 			default:
1517 				errx(-1, "%s: Invalid mode attribute %c\n",
1518 				    val, *cp);
1519 			}
1520 		}
1521 	}
1522 	return flags;
1523 }
1524 
1525 #define	IEEE80211_CHAN_HTA	(IEEE80211_CHAN_HT|IEEE80211_CHAN_5GHZ)
1526 #define	IEEE80211_CHAN_HTG	(IEEE80211_CHAN_HT|IEEE80211_CHAN_2GHZ)
1527 
1528 #define	_APPLY(_flags, _base, _param, _v) do {				\
1529     if (_flags & IEEE80211_CHAN_HT) {					\
1530 	    if ((_flags & (IEEE80211_CHAN_5GHZ|IEEE80211_CHAN_2GHZ)) == 0) {\
1531 		    _base.params[IEEE80211_MODE_11NA]._param = _v;	\
1532 		    _base.params[IEEE80211_MODE_11NG]._param = _v;	\
1533 	    } else if (_flags & IEEE80211_CHAN_5GHZ)			\
1534 		    _base.params[IEEE80211_MODE_11NA]._param = _v;	\
1535 	    else							\
1536 		    _base.params[IEEE80211_MODE_11NG]._param = _v;	\
1537     }									\
1538     if (_flags & IEEE80211_CHAN_TURBO) {				\
1539 	    if ((_flags & (IEEE80211_CHAN_5GHZ|IEEE80211_CHAN_2GHZ)) == 0) {\
1540 		    _base.params[IEEE80211_MODE_TURBO_A]._param = _v;	\
1541 		    _base.params[IEEE80211_MODE_TURBO_G]._param = _v;	\
1542 	    } else if (_flags & IEEE80211_CHAN_5GHZ)			\
1543 		    _base.params[IEEE80211_MODE_TURBO_A]._param = _v;	\
1544 	    else							\
1545 		    _base.params[IEEE80211_MODE_TURBO_G]._param = _v;	\
1546     }									\
1547     if (_flags & IEEE80211_CHAN_STURBO)					\
1548 	    _base.params[IEEE80211_MODE_STURBO_A]._param = _v;		\
1549     if ((_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A)		\
1550 	    _base.params[IEEE80211_MODE_11A]._param = _v;		\
1551     if ((_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)		\
1552 	    _base.params[IEEE80211_MODE_11G]._param = _v;		\
1553     if ((_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B)		\
1554 	    _base.params[IEEE80211_MODE_11B]._param = _v;		\
1555     if (_flags & IEEE80211_CHAN_HALF)					\
1556 	    _base.params[IEEE80211_MODE_HALF]._param = _v;		\
1557     if (_flags & IEEE80211_CHAN_QUARTER)				\
1558 	    _base.params[IEEE80211_MODE_QUARTER]._param = _v;		\
1559 } while (0)
1560 #define	_APPLY1(_flags, _base, _param, _v) do {				\
1561     if (_flags & IEEE80211_CHAN_HT) {					\
1562 	    if (_flags & IEEE80211_CHAN_5GHZ)				\
1563 		    _base.params[IEEE80211_MODE_11NA]._param = _v;	\
1564 	    else							\
1565 		    _base.params[IEEE80211_MODE_11NG]._param = _v;	\
1566     } else if ((_flags & IEEE80211_CHAN_108A) == IEEE80211_CHAN_108A)	\
1567 	    _base.params[IEEE80211_MODE_TURBO_A]._param = _v;		\
1568     else if ((_flags & IEEE80211_CHAN_108G) == IEEE80211_CHAN_108G)	\
1569 	    _base.params[IEEE80211_MODE_TURBO_G]._param = _v;		\
1570     else if ((_flags & IEEE80211_CHAN_ST) == IEEE80211_CHAN_ST)		\
1571 	    _base.params[IEEE80211_MODE_STURBO_A]._param = _v;		\
1572     else if (_flags & IEEE80211_CHAN_HALF)				\
1573 	    _base.params[IEEE80211_MODE_HALF]._param = _v;		\
1574     else if (_flags & IEEE80211_CHAN_QUARTER)				\
1575 	    _base.params[IEEE80211_MODE_QUARTER]._param = _v;		\
1576     else if ((_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A)		\
1577 	    _base.params[IEEE80211_MODE_11A]._param = _v;		\
1578     else if ((_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)		\
1579 	    _base.params[IEEE80211_MODE_11G]._param = _v;		\
1580     else if ((_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B)		\
1581 	    _base.params[IEEE80211_MODE_11B]._param = _v;		\
1582 } while (0)
1583 #define	_APPLY_RATE(_flags, _base, _param, _v) do {			\
1584     if (_flags & IEEE80211_CHAN_HT) {					\
1585 	(_v) = (_v / 2) | IEEE80211_RATE_MCS;				\
1586     }									\
1587     _APPLY(_flags, _base, _param, _v);					\
1588 } while (0)
1589 #define	_APPLY_RATE1(_flags, _base, _param, _v) do {			\
1590     if (_flags & IEEE80211_CHAN_HT) {					\
1591 	(_v) = (_v / 2) | IEEE80211_RATE_MCS;				\
1592     }									\
1593     _APPLY1(_flags, _base, _param, _v);					\
1594 } while (0)
1595 
1596 static
1597 DECL_CMD_FUNC(set80211roamrssi, val, d)
1598 {
1599 	double v = atof(val);
1600 	int rssi, flags;
1601 
1602 	rssi = (int) (2*v);
1603 	if (rssi != 2*v)
1604 		errx(-1, "invalid rssi (must be .5 dBm units)");
1605 	flags = getmodeflags(val);
1606 	getroam(s);
1607 	if (flags == 0) {		/* NB: no flags => current channel */
1608 		flags = getcurchan(s)->ic_flags;
1609 		_APPLY1(flags, roamparams, rssi, rssi);
1610 	} else
1611 		_APPLY(flags, roamparams, rssi, rssi);
1612 	callback_register(setroam_cb, &roamparams);
1613 }
1614 
1615 static int
1616 getrate(const char *val, const char *tag)
1617 {
1618 	double v = atof(val);
1619 	int rate;
1620 
1621 	rate = (int) (2*v);
1622 	if (rate != 2*v)
1623 		errx(-1, "invalid %s rate (must be .5 Mb/s units)", tag);
1624 	return rate;		/* NB: returns 2x the specified value */
1625 }
1626 
1627 static
1628 DECL_CMD_FUNC(set80211roamrate, val, d)
1629 {
1630 	int rate, flags;
1631 
1632 	rate = getrate(val, "roam");
1633 	flags = getmodeflags(val);
1634 	getroam(s);
1635 	if (flags == 0) {		/* NB: no flags => current channel */
1636 		flags = getcurchan(s)->ic_flags;
1637 		_APPLY_RATE1(flags, roamparams, rate, rate);
1638 	} else
1639 		_APPLY_RATE(flags, roamparams, rate, rate);
1640 	callback_register(setroam_cb, &roamparams);
1641 }
1642 
1643 static
1644 DECL_CMD_FUNC(set80211mcastrate, val, d)
1645 {
1646 	int rate, flags;
1647 
1648 	rate = getrate(val, "mcast");
1649 	flags = getmodeflags(val);
1650 	gettxparams(s);
1651 	if (flags == 0) {		/* NB: no flags => current channel */
1652 		flags = getcurchan(s)->ic_flags;
1653 		_APPLY_RATE1(flags, txparams, mcastrate, rate);
1654 	} else
1655 		_APPLY_RATE(flags, txparams, mcastrate, rate);
1656 	callback_register(settxparams_cb, &txparams);
1657 }
1658 
1659 static
1660 DECL_CMD_FUNC(set80211mgtrate, val, d)
1661 {
1662 	int rate, flags;
1663 
1664 	rate = getrate(val, "mgmt");
1665 	flags = getmodeflags(val);
1666 	gettxparams(s);
1667 	if (flags == 0) {		/* NB: no flags => current channel */
1668 		flags = getcurchan(s)->ic_flags;
1669 		_APPLY_RATE1(flags, txparams, mgmtrate, rate);
1670 	} else
1671 		_APPLY_RATE(flags, txparams, mgmtrate, rate);
1672 	callback_register(settxparams_cb, &txparams);
1673 }
1674 
1675 static
1676 DECL_CMD_FUNC(set80211ucastrate, val, d)
1677 {
1678 	int flags;
1679 
1680 	gettxparams(s);
1681 	flags = getmodeflags(val);
1682 	if (isanyarg(val)) {
1683 		if (flags == 0) {	/* NB: no flags => current channel */
1684 			flags = getcurchan(s)->ic_flags;
1685 			_APPLY1(flags, txparams, ucastrate,
1686 			    IEEE80211_FIXED_RATE_NONE);
1687 		} else
1688 			_APPLY(flags, txparams, ucastrate,
1689 			    IEEE80211_FIXED_RATE_NONE);
1690 	} else {
1691 		int rate = getrate(val, "ucast");
1692 		if (flags == 0) {	/* NB: no flags => current channel */
1693 			flags = getcurchan(s)->ic_flags;
1694 			_APPLY_RATE1(flags, txparams, ucastrate, rate);
1695 		} else
1696 			_APPLY_RATE(flags, txparams, ucastrate, rate);
1697 	}
1698 	callback_register(settxparams_cb, &txparams);
1699 }
1700 
1701 static
1702 DECL_CMD_FUNC(set80211maxretry, val, d)
1703 {
1704 	int v = atoi(val), flags;
1705 
1706 	flags = getmodeflags(val);
1707 	gettxparams(s);
1708 	if (flags == 0) {		/* NB: no flags => current channel */
1709 		flags = getcurchan(s)->ic_flags;
1710 		_APPLY1(flags, txparams, maxretry, v);
1711 	} else
1712 		_APPLY(flags, txparams, maxretry, v);
1713 	callback_register(settxparams_cb, &txparams);
1714 }
1715 #undef _APPLY_RATE
1716 #undef _APPLY
1717 #undef IEEE80211_CHAN_HTA
1718 #undef IEEE80211_CHAN_HTG
1719 
1720 static
1721 DECL_CMD_FUNC(set80211fragthreshold, val, d)
1722 {
1723 	set80211(s, IEEE80211_IOC_FRAGTHRESHOLD,
1724 		isundefarg(val) ? IEEE80211_FRAG_MAX : atoi(val), 0, NULL);
1725 }
1726 
1727 static
1728 DECL_CMD_FUNC(set80211bmissthreshold, val, d)
1729 {
1730 	set80211(s, IEEE80211_IOC_BMISSTHRESHOLD,
1731 		isundefarg(val) ? IEEE80211_HWBMISS_MAX : atoi(val), 0, NULL);
1732 }
1733 
1734 static void
1735 set80211burst(const char *val, int d, int s, const struct afswtch *rafp)
1736 {
1737 	set80211(s, IEEE80211_IOC_BURST, d, 0, NULL);
1738 }
1739 
1740 static void
1741 set80211doth(const char *val, int d, int s, const struct afswtch *rafp)
1742 {
1743 	set80211(s, IEEE80211_IOC_DOTH, d, 0, NULL);
1744 }
1745 
1746 static void
1747 set80211dfs(const char *val, int d, int s, const struct afswtch *rafp)
1748 {
1749 	set80211(s, IEEE80211_IOC_DFS, d, 0, NULL);
1750 }
1751 
1752 static void
1753 set80211shortgi(const char *val, int d, int s, const struct afswtch *rafp)
1754 {
1755 	set80211(s, IEEE80211_IOC_SHORTGI,
1756 		d ? (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) : 0,
1757 		0, NULL);
1758 }
1759 
1760 static void
1761 set80211ampdu(const char *val, int d, int s, const struct afswtch *rafp)
1762 {
1763 	int ampdu;
1764 
1765 	if (get80211val(s, IEEE80211_IOC_AMPDU, &ampdu) < 0)
1766 		errx(-1, "cannot set AMPDU setting");
1767 	if (d < 0) {
1768 		d = -d;
1769 		ampdu &= ~d;
1770 	} else
1771 		ampdu |= d;
1772 	set80211(s, IEEE80211_IOC_AMPDU, ampdu, 0, NULL);
1773 }
1774 
1775 static void
1776 set80211stbc(const char *val, int d, int s, const struct afswtch *rafp)
1777 {
1778 	int stbc;
1779 
1780 	if (get80211val(s, IEEE80211_IOC_STBC, &stbc) < 0)
1781 		errx(-1, "cannot set STBC setting");
1782 	if (d < 0) {
1783 		d = -d;
1784 		stbc &= ~d;
1785 	} else
1786 		stbc |= d;
1787 	set80211(s, IEEE80211_IOC_STBC, stbc, 0, NULL);
1788 }
1789 
1790 static
1791 DECL_CMD_FUNC(set80211ampdulimit, val, d)
1792 {
1793 	int v;
1794 
1795 	switch (atoi(val)) {
1796 	case 8:
1797 	case 8*1024:
1798 		v = IEEE80211_HTCAP_MAXRXAMPDU_8K;
1799 		break;
1800 	case 16:
1801 	case 16*1024:
1802 		v = IEEE80211_HTCAP_MAXRXAMPDU_16K;
1803 		break;
1804 	case 32:
1805 	case 32*1024:
1806 		v = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1807 		break;
1808 	case 64:
1809 	case 64*1024:
1810 		v = IEEE80211_HTCAP_MAXRXAMPDU_64K;
1811 		break;
1812 	default:
1813 		errx(-1, "invalid A-MPDU limit %s", val);
1814 	}
1815 	set80211(s, IEEE80211_IOC_AMPDU_LIMIT, v, 0, NULL);
1816 }
1817 
1818 static
1819 DECL_CMD_FUNC(set80211ampdudensity, val, d)
1820 {
1821 	int v;
1822 
1823 	if (isanyarg(val) || strcasecmp(val, "na") == 0)
1824 		v = IEEE80211_HTCAP_MPDUDENSITY_NA;
1825 	else switch ((int)(atof(val)*4)) {
1826 	case 0:
1827 		v = IEEE80211_HTCAP_MPDUDENSITY_NA;
1828 		break;
1829 	case 1:
1830 		v = IEEE80211_HTCAP_MPDUDENSITY_025;
1831 		break;
1832 	case 2:
1833 		v = IEEE80211_HTCAP_MPDUDENSITY_05;
1834 		break;
1835 	case 4:
1836 		v = IEEE80211_HTCAP_MPDUDENSITY_1;
1837 		break;
1838 	case 8:
1839 		v = IEEE80211_HTCAP_MPDUDENSITY_2;
1840 		break;
1841 	case 16:
1842 		v = IEEE80211_HTCAP_MPDUDENSITY_4;
1843 		break;
1844 	case 32:
1845 		v = IEEE80211_HTCAP_MPDUDENSITY_8;
1846 		break;
1847 	case 64:
1848 		v = IEEE80211_HTCAP_MPDUDENSITY_16;
1849 		break;
1850 	default:
1851 		errx(-1, "invalid A-MPDU density %s", val);
1852 	}
1853 	set80211(s, IEEE80211_IOC_AMPDU_DENSITY, v, 0, NULL);
1854 }
1855 
1856 static void
1857 set80211amsdu(const char *val, int d, int s, const struct afswtch *rafp)
1858 {
1859 	int amsdu;
1860 
1861 	if (get80211val(s, IEEE80211_IOC_AMSDU, &amsdu) < 0)
1862 		err(-1, "cannot get AMSDU setting");
1863 	if (d < 0) {
1864 		d = -d;
1865 		amsdu &= ~d;
1866 	} else
1867 		amsdu |= d;
1868 	set80211(s, IEEE80211_IOC_AMSDU, amsdu, 0, NULL);
1869 }
1870 
1871 static
1872 DECL_CMD_FUNC(set80211amsdulimit, val, d)
1873 {
1874 	set80211(s, IEEE80211_IOC_AMSDU_LIMIT, atoi(val), 0, NULL);
1875 }
1876 
1877 static void
1878 set80211puren(const char *val, int d, int s, const struct afswtch *rafp)
1879 {
1880 	set80211(s, IEEE80211_IOC_PUREN, d, 0, NULL);
1881 }
1882 
1883 static void
1884 set80211htcompat(const char *val, int d, int s, const struct afswtch *rafp)
1885 {
1886 	set80211(s, IEEE80211_IOC_HTCOMPAT, d, 0, NULL);
1887 }
1888 
1889 static void
1890 set80211htconf(const char *val, int d, int s, const struct afswtch *rafp)
1891 {
1892 	set80211(s, IEEE80211_IOC_HTCONF, d, 0, NULL);
1893 	htconf = d;
1894 }
1895 
1896 static void
1897 set80211dwds(const char *val, int d, int s, const struct afswtch *rafp)
1898 {
1899 	set80211(s, IEEE80211_IOC_DWDS, d, 0, NULL);
1900 }
1901 
1902 static void
1903 set80211inact(const char *val, int d, int s, const struct afswtch *rafp)
1904 {
1905 	set80211(s, IEEE80211_IOC_INACTIVITY, d, 0, NULL);
1906 }
1907 
1908 static void
1909 set80211tsn(const char *val, int d, int s, const struct afswtch *rafp)
1910 {
1911 	set80211(s, IEEE80211_IOC_TSN, d, 0, NULL);
1912 }
1913 
1914 static void
1915 set80211dotd(const char *val, int d, int s, const struct afswtch *rafp)
1916 {
1917 	set80211(s, IEEE80211_IOC_DOTD, d, 0, NULL);
1918 }
1919 
1920 static void
1921 set80211smps(const char *val, int d, int s, const struct afswtch *rafp)
1922 {
1923 	set80211(s, IEEE80211_IOC_SMPS, d, 0, NULL);
1924 }
1925 
1926 static void
1927 set80211rifs(const char *val, int d, int s, const struct afswtch *rafp)
1928 {
1929 	set80211(s, IEEE80211_IOC_RIFS, d, 0, NULL);
1930 }
1931 
1932 static void
1933 set80211vhtconf(const char *val, int d, int s, const struct afswtch *rafp)
1934 {
1935 	if (get80211val(s, IEEE80211_IOC_VHTCONF, &vhtconf) < 0)
1936 		errx(-1, "cannot set VHT setting");
1937 	printf("%s: vhtconf=0x%08x, d=%d\n", __func__, vhtconf, d);
1938 	if (d < 0) {
1939 		d = -d;
1940 		vhtconf &= ~d;
1941 	} else
1942 		vhtconf |= d;
1943 	printf("%s: vhtconf is now 0x%08x\n", __func__, vhtconf);
1944 	set80211(s, IEEE80211_IOC_VHTCONF, vhtconf, 0, NULL);
1945 }
1946 
1947 static
1948 DECL_CMD_FUNC(set80211tdmaslot, val, d)
1949 {
1950 	set80211(s, IEEE80211_IOC_TDMA_SLOT, atoi(val), 0, NULL);
1951 }
1952 
1953 static
1954 DECL_CMD_FUNC(set80211tdmaslotcnt, val, d)
1955 {
1956 	set80211(s, IEEE80211_IOC_TDMA_SLOTCNT, atoi(val), 0, NULL);
1957 }
1958 
1959 static
1960 DECL_CMD_FUNC(set80211tdmaslotlen, val, d)
1961 {
1962 	set80211(s, IEEE80211_IOC_TDMA_SLOTLEN, atoi(val), 0, NULL);
1963 }
1964 
1965 static
1966 DECL_CMD_FUNC(set80211tdmabintval, val, d)
1967 {
1968 	set80211(s, IEEE80211_IOC_TDMA_BINTERVAL, atoi(val), 0, NULL);
1969 }
1970 
1971 static
1972 DECL_CMD_FUNC(set80211meshttl, val, d)
1973 {
1974 	set80211(s, IEEE80211_IOC_MESH_TTL, atoi(val), 0, NULL);
1975 }
1976 
1977 static
1978 DECL_CMD_FUNC(set80211meshforward, val, d)
1979 {
1980 	set80211(s, IEEE80211_IOC_MESH_FWRD, d, 0, NULL);
1981 }
1982 
1983 static
1984 DECL_CMD_FUNC(set80211meshgate, val, d)
1985 {
1986 	set80211(s, IEEE80211_IOC_MESH_GATE, d, 0, NULL);
1987 }
1988 
1989 static
1990 DECL_CMD_FUNC(set80211meshpeering, val, d)
1991 {
1992 	set80211(s, IEEE80211_IOC_MESH_AP, d, 0, NULL);
1993 }
1994 
1995 static
1996 DECL_CMD_FUNC(set80211meshmetric, val, d)
1997 {
1998 	char v[12];
1999 
2000 	memcpy(v, val, sizeof(v));
2001 	set80211(s, IEEE80211_IOC_MESH_PR_METRIC, 0, 0, v);
2002 }
2003 
2004 static
2005 DECL_CMD_FUNC(set80211meshpath, val, d)
2006 {
2007 	char v[12];
2008 
2009 	memcpy(v, val, sizeof(v));
2010 	set80211(s, IEEE80211_IOC_MESH_PR_PATH, 0, 0, v);
2011 }
2012 
2013 static int
2014 regdomain_sort(const void *a, const void *b)
2015 {
2016 #define	CHAN_ALL \
2017 	(IEEE80211_CHAN_ALLTURBO|IEEE80211_CHAN_HALF|IEEE80211_CHAN_QUARTER)
2018 	const struct ieee80211_channel *ca = a;
2019 	const struct ieee80211_channel *cb = b;
2020 
2021 	return ca->ic_freq == cb->ic_freq ?
2022 	    (ca->ic_flags & CHAN_ALL) - (cb->ic_flags & CHAN_ALL) :
2023 	    ca->ic_freq - cb->ic_freq;
2024 #undef CHAN_ALL
2025 }
2026 
2027 static const struct ieee80211_channel *
2028 chanlookup(const struct ieee80211_channel chans[], int nchans,
2029 	int freq, int flags)
2030 {
2031 	int i;
2032 
2033 	flags &= IEEE80211_CHAN_ALLTURBO;
2034 	for (i = 0; i < nchans; i++) {
2035 		const struct ieee80211_channel *c = &chans[i];
2036 		if (c->ic_freq == freq &&
2037 		    (c->ic_flags & IEEE80211_CHAN_ALLTURBO) == flags)
2038 			return c;
2039 	}
2040 	return NULL;
2041 }
2042 
2043 static int
2044 chanfind(const struct ieee80211_channel chans[], int nchans, int flags)
2045 {
2046 	int i;
2047 
2048 	for (i = 0; i < nchans; i++) {
2049 		const struct ieee80211_channel *c = &chans[i];
2050 		if ((c->ic_flags & flags) == flags)
2051 			return 1;
2052 	}
2053 	return 0;
2054 }
2055 
2056 /*
2057  * Check channel compatibility.
2058  */
2059 static int
2060 checkchan(const struct ieee80211req_chaninfo *avail, int freq, int flags)
2061 {
2062 	flags &= ~REQ_FLAGS;
2063 	/*
2064 	 * Check if exact channel is in the calibration table;
2065 	 * everything below is to deal with channels that we
2066 	 * want to include but that are not explicitly listed.
2067 	 */
2068 	if (chanlookup(avail->ic_chans, avail->ic_nchans, freq, flags) != NULL)
2069 		return 1;
2070 	if (flags & IEEE80211_CHAN_GSM) {
2071 		/*
2072 		 * XXX GSM frequency mapping is handled in the kernel
2073 		 * so we cannot find them in the calibration table;
2074 		 * just accept the channel and the kernel will reject
2075 		 * the channel list if it's wrong.
2076 		 */
2077 		return 1;
2078 	}
2079 	/*
2080 	 * If this is a 1/2 or 1/4 width channel allow it if a full
2081 	 * width channel is present for this frequency, and the device
2082 	 * supports fractional channels on this band.  This is a hack
2083 	 * that avoids bloating the calibration table; it may be better
2084 	 * by per-band attributes though (we are effectively calculating
2085 	 * this attribute by scanning the channel list ourself).
2086 	 */
2087 	if ((flags & (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER)) == 0)
2088 		return 0;
2089 	if (chanlookup(avail->ic_chans, avail->ic_nchans, freq,
2090 	    flags &~ (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER)) == NULL)
2091 		return 0;
2092 	if (flags & IEEE80211_CHAN_HALF) {
2093 		return chanfind(avail->ic_chans, avail->ic_nchans,
2094 		    IEEE80211_CHAN_HALF |
2095 		       (flags & (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ)));
2096 	} else {
2097 		return chanfind(avail->ic_chans, avail->ic_nchans,
2098 		    IEEE80211_CHAN_QUARTER |
2099 			(flags & (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ)));
2100 	}
2101 }
2102 
2103 static void
2104 regdomain_addchans(struct ieee80211req_chaninfo *ci,
2105 	const netband_head *bands,
2106 	const struct ieee80211_regdomain *reg,
2107 	uint32_t chanFlags,
2108 	const struct ieee80211req_chaninfo *avail)
2109 {
2110 	const struct netband *nb;
2111 	const struct freqband *b;
2112 	struct ieee80211_channel *c, *prev;
2113 	int freq, hi_adj, lo_adj, channelSep;
2114 	uint32_t flags;
2115 
2116 	hi_adj = (chanFlags & IEEE80211_CHAN_HT40U) ? -20 : 0;
2117 	lo_adj = (chanFlags & IEEE80211_CHAN_HT40D) ? 20 : 0;
2118 	channelSep = (chanFlags & IEEE80211_CHAN_2GHZ) ? 0 : 40;
2119 
2120 	LIST_FOREACH(nb, bands, next) {
2121 		b = nb->band;
2122 		if (verbose) {
2123 			printf("%s:", __func__);
2124 			printb(" chanFlags", chanFlags, IEEE80211_CHAN_BITS);
2125 			printb(" bandFlags", nb->flags | b->flags,
2126 			    IEEE80211_CHAN_BITS);
2127 			putchar('\n');
2128 		}
2129 		prev = NULL;
2130 
2131 		for (freq = b->freqStart + lo_adj;
2132 		     freq <= b->freqEnd + hi_adj; freq += b->chanSep) {
2133 			/*
2134 			 * Construct flags for the new channel.  We take
2135 			 * the attributes from the band descriptions except
2136 			 * for HT40 which is enabled generically (i.e. +/-
2137 			 * extension channel) in the band description and
2138 			 * then constrained according by channel separation.
2139 			 */
2140 			flags = nb->flags | b->flags;
2141 
2142 			/*
2143 			 * VHT first - HT is a subset.
2144 			 *
2145 			 * XXX TODO: VHT80p80, VHT160 is not yet done.
2146 			 */
2147 			if (flags & IEEE80211_CHAN_VHT) {
2148 				if ((chanFlags & IEEE80211_CHAN_VHT20) &&
2149 				    (flags & IEEE80211_CHAN_VHT20) == 0) {
2150 					if (verbose)
2151 						printf("%u: skip, not a "
2152 						    "VHT20 channel\n", freq);
2153 					continue;
2154 				}
2155 				if ((chanFlags & IEEE80211_CHAN_VHT40) &&
2156 				    (flags & IEEE80211_CHAN_VHT40) == 0) {
2157 					if (verbose)
2158 						printf("%u: skip, not a "
2159 						    "VHT40 channel\n", freq);
2160 					continue;
2161 				}
2162 				if ((chanFlags & IEEE80211_CHAN_VHT80) &&
2163 				    (flags & IEEE80211_CHAN_VHT80) == 0) {
2164 					if (verbose)
2165 						printf("%u: skip, not a "
2166 						    "VHT80 channel\n", freq);
2167 					continue;
2168 				}
2169 
2170 				flags &= ~IEEE80211_CHAN_VHT;
2171 				flags |= chanFlags & IEEE80211_CHAN_VHT;
2172 			}
2173 
2174 			/* Now, constrain HT */
2175 			if (flags & IEEE80211_CHAN_HT) {
2176 				/*
2177 				 * HT channels are generated specially; we're
2178 				 * called to add HT20, HT40+, and HT40- chan's
2179 				 * so we need to expand only band specs for
2180 				 * the HT channel type being added.
2181 				 */
2182 				if ((chanFlags & IEEE80211_CHAN_HT20) &&
2183 				    (flags & IEEE80211_CHAN_HT20) == 0) {
2184 					if (verbose)
2185 						printf("%u: skip, not an "
2186 						    "HT20 channel\n", freq);
2187 					continue;
2188 				}
2189 				if ((chanFlags & IEEE80211_CHAN_HT40) &&
2190 				    (flags & IEEE80211_CHAN_HT40) == 0) {
2191 					if (verbose)
2192 						printf("%u: skip, not an "
2193 						    "HT40 channel\n", freq);
2194 					continue;
2195 				}
2196 				/* NB: HT attribute comes from caller */
2197 				flags &= ~IEEE80211_CHAN_HT;
2198 				flags |= chanFlags & IEEE80211_CHAN_HT;
2199 			}
2200 			/*
2201 			 * Check if device can operate on this frequency.
2202 			 */
2203 			if (!checkchan(avail, freq, flags)) {
2204 				if (verbose) {
2205 					printf("%u: skip, ", freq);
2206 					printb("flags", flags,
2207 					    IEEE80211_CHAN_BITS);
2208 					printf(" not available\n");
2209 				}
2210 				continue;
2211 			}
2212 			if ((flags & REQ_ECM) && !reg->ecm) {
2213 				if (verbose)
2214 					printf("%u: skip, ECM channel\n", freq);
2215 				continue;
2216 			}
2217 			if ((flags & REQ_INDOOR) && reg->location == 'O') {
2218 				if (verbose)
2219 					printf("%u: skip, indoor channel\n",
2220 					    freq);
2221 				continue;
2222 			}
2223 			if ((flags & REQ_OUTDOOR) && reg->location == 'I') {
2224 				if (verbose)
2225 					printf("%u: skip, outdoor channel\n",
2226 					    freq);
2227 				continue;
2228 			}
2229 			if ((flags & IEEE80211_CHAN_HT40) &&
2230 			    prev != NULL && (freq - prev->ic_freq) < channelSep) {
2231 				if (verbose)
2232 					printf("%u: skip, only %u channel "
2233 					    "separation, need %d\n", freq,
2234 					    freq - prev->ic_freq, channelSep);
2235 				continue;
2236 			}
2237 			if (ci->ic_nchans == IEEE80211_CHAN_MAX) {
2238 				if (verbose)
2239 					printf("%u: skip, channel table full\n",
2240 					    freq);
2241 				break;
2242 			}
2243 			c = &ci->ic_chans[ci->ic_nchans++];
2244 			memset(c, 0, sizeof(*c));
2245 			c->ic_freq = freq;
2246 			c->ic_flags = flags;
2247 		if (c->ic_flags & IEEE80211_CHAN_DFS)
2248 				c->ic_maxregpower = nb->maxPowerDFS;
2249 			else
2250 				c->ic_maxregpower = nb->maxPower;
2251 			if (verbose) {
2252 				printf("[%3d] add freq %u ",
2253 				    ci->ic_nchans-1, c->ic_freq);
2254 				printb("flags", c->ic_flags, IEEE80211_CHAN_BITS);
2255 				printf(" power %u\n", c->ic_maxregpower);
2256 			}
2257 			/* NB: kernel fills in other fields */
2258 			prev = c;
2259 		}
2260 	}
2261 }
2262 
2263 static void
2264 regdomain_makechannels(
2265 	struct ieee80211_regdomain_req *req,
2266 	const struct ieee80211_devcaps_req *dc)
2267 {
2268 	struct regdata *rdp = getregdata();
2269 	const struct country *cc;
2270 	const struct ieee80211_regdomain *reg = &req->rd;
2271 	struct ieee80211req_chaninfo *ci = &req->chaninfo;
2272 	const struct regdomain *rd;
2273 
2274 	/*
2275 	 * Locate construction table for new channel list.  We treat
2276 	 * the regdomain/SKU as definitive so a country can be in
2277 	 * multiple with different properties (e.g. US in FCC+FCC3).
2278 	 * If no regdomain is specified then we fallback on the country
2279 	 * code to find the associated regdomain since countries always
2280 	 * belong to at least one regdomain.
2281 	 */
2282 	if (reg->regdomain == 0) {
2283 		cc = lib80211_country_findbycc(rdp, reg->country);
2284 		if (cc == NULL)
2285 			errx(1, "internal error, country %d not found",
2286 			    reg->country);
2287 		rd = cc->rd;
2288 	} else
2289 		rd = lib80211_regdomain_findbysku(rdp, reg->regdomain);
2290 	if (rd == NULL)
2291 		errx(1, "internal error, regdomain %d not found",
2292 			    reg->regdomain);
2293 	if (rd->sku != SKU_DEBUG) {
2294 		/*
2295 		 * regdomain_addchans incrememnts the channel count for
2296 		 * each channel it adds so initialize ic_nchans to zero.
2297 		 * Note that we know we have enough space to hold all possible
2298 		 * channels because the devcaps list size was used to
2299 		 * allocate our request.
2300 		 */
2301 		ci->ic_nchans = 0;
2302 		if (!LIST_EMPTY(&rd->bands_11b))
2303 			regdomain_addchans(ci, &rd->bands_11b, reg,
2304 			    IEEE80211_CHAN_B, &dc->dc_chaninfo);
2305 		if (!LIST_EMPTY(&rd->bands_11g))
2306 			regdomain_addchans(ci, &rd->bands_11g, reg,
2307 			    IEEE80211_CHAN_G, &dc->dc_chaninfo);
2308 		if (!LIST_EMPTY(&rd->bands_11a))
2309 			regdomain_addchans(ci, &rd->bands_11a, reg,
2310 			    IEEE80211_CHAN_A, &dc->dc_chaninfo);
2311 		if (!LIST_EMPTY(&rd->bands_11na) && dc->dc_htcaps != 0) {
2312 			regdomain_addchans(ci, &rd->bands_11na, reg,
2313 			    IEEE80211_CHAN_A | IEEE80211_CHAN_HT20,
2314 			    &dc->dc_chaninfo);
2315 			if (dc->dc_htcaps & IEEE80211_HTCAP_CHWIDTH40) {
2316 				regdomain_addchans(ci, &rd->bands_11na, reg,
2317 				    IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U,
2318 				    &dc->dc_chaninfo);
2319 				regdomain_addchans(ci, &rd->bands_11na, reg,
2320 				    IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D,
2321 				    &dc->dc_chaninfo);
2322 			}
2323 		}
2324 		if (!LIST_EMPTY(&rd->bands_11ac) && dc->dc_vhtcaps != 0) {
2325 			regdomain_addchans(ci, &rd->bands_11ac, reg,
2326 			    IEEE80211_CHAN_A | IEEE80211_CHAN_HT20 |
2327 			    IEEE80211_CHAN_VHT20,
2328 			    &dc->dc_chaninfo);
2329 
2330 			/* VHT40 is a function of HT40.. */
2331 			if (dc->dc_htcaps & IEEE80211_HTCAP_CHWIDTH40) {
2332 				regdomain_addchans(ci, &rd->bands_11ac, reg,
2333 				    IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U |
2334 				    IEEE80211_CHAN_VHT40U,
2335 				    &dc->dc_chaninfo);
2336 				regdomain_addchans(ci, &rd->bands_11ac, reg,
2337 				    IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D |
2338 				    IEEE80211_CHAN_VHT40D,
2339 				    &dc->dc_chaninfo);
2340 			}
2341 
2342 			/* VHT80 */
2343 			/* XXX dc_vhtcap? */
2344 			if (1) {
2345 				regdomain_addchans(ci, &rd->bands_11ac, reg,
2346 				    IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U |
2347 				    IEEE80211_CHAN_VHT80,
2348 				    &dc->dc_chaninfo);
2349 				regdomain_addchans(ci, &rd->bands_11ac, reg,
2350 				    IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D |
2351 				    IEEE80211_CHAN_VHT80,
2352 				    &dc->dc_chaninfo);
2353 			}
2354 
2355 			/* XXX TODO: VHT80_80, VHT160 */
2356 		}
2357 
2358 		if (!LIST_EMPTY(&rd->bands_11ng) && dc->dc_htcaps != 0) {
2359 			regdomain_addchans(ci, &rd->bands_11ng, reg,
2360 			    IEEE80211_CHAN_G | IEEE80211_CHAN_HT20,
2361 			    &dc->dc_chaninfo);
2362 			if (dc->dc_htcaps & IEEE80211_HTCAP_CHWIDTH40) {
2363 				regdomain_addchans(ci, &rd->bands_11ng, reg,
2364 				    IEEE80211_CHAN_G | IEEE80211_CHAN_HT40U,
2365 				    &dc->dc_chaninfo);
2366 				regdomain_addchans(ci, &rd->bands_11ng, reg,
2367 				    IEEE80211_CHAN_G | IEEE80211_CHAN_HT40D,
2368 				    &dc->dc_chaninfo);
2369 			}
2370 		}
2371 		qsort(ci->ic_chans, ci->ic_nchans, sizeof(ci->ic_chans[0]),
2372 		    regdomain_sort);
2373 	} else
2374 		memcpy(ci, &dc->dc_chaninfo,
2375 		    IEEE80211_CHANINFO_SPACE(&dc->dc_chaninfo));
2376 }
2377 
2378 static void
2379 list_countries(void)
2380 {
2381 	struct regdata *rdp = getregdata();
2382 	const struct country *cp;
2383 	const struct regdomain *dp;
2384 	int i;
2385 
2386 	i = 0;
2387 	printf("\nCountry codes:\n");
2388 	LIST_FOREACH(cp, &rdp->countries, next) {
2389 		printf("%2s %-15.15s%s", cp->isoname,
2390 		    cp->name, ((i+1)%4) == 0 ? "\n" : " ");
2391 		i++;
2392 	}
2393 	i = 0;
2394 	printf("\nRegulatory domains:\n");
2395 	LIST_FOREACH(dp, &rdp->domains, next) {
2396 		printf("%-15.15s%s", dp->name, ((i+1)%4) == 0 ? "\n" : " ");
2397 		i++;
2398 	}
2399 	printf("\n");
2400 }
2401 
2402 static void
2403 defaultcountry(const struct regdomain *rd)
2404 {
2405 	struct regdata *rdp = getregdata();
2406 	const struct country *cc;
2407 
2408 	cc = lib80211_country_findbycc(rdp, rd->cc->code);
2409 	if (cc == NULL)
2410 		errx(1, "internal error, ISO country code %d not "
2411 		    "defined for regdomain %s", rd->cc->code, rd->name);
2412 	regdomain.country = cc->code;
2413 	regdomain.isocc[0] = cc->isoname[0];
2414 	regdomain.isocc[1] = cc->isoname[1];
2415 }
2416 
2417 static
2418 DECL_CMD_FUNC(set80211regdomain, val, d)
2419 {
2420 	struct regdata *rdp = getregdata();
2421 	const struct regdomain *rd;
2422 
2423 	rd = lib80211_regdomain_findbyname(rdp, val);
2424 	if (rd == NULL) {
2425 		char *eptr;
2426 		long sku = strtol(val, &eptr, 0);
2427 
2428 		if (eptr != val)
2429 			rd = lib80211_regdomain_findbysku(rdp, sku);
2430 		if (eptr == val || rd == NULL)
2431 			errx(1, "unknown regdomain %s", val);
2432 	}
2433 	getregdomain(s);
2434 	regdomain.regdomain = rd->sku;
2435 	if (regdomain.country == 0 && rd->cc != NULL) {
2436 		/*
2437 		 * No country code setup and there's a default
2438 		 * one for this regdomain fill it in.
2439 		 */
2440 		defaultcountry(rd);
2441 	}
2442 	callback_register(setregdomain_cb, &regdomain);
2443 }
2444 
2445 static
2446 DECL_CMD_FUNC(set80211country, val, d)
2447 {
2448 	struct regdata *rdp = getregdata();
2449 	const struct country *cc;
2450 
2451 	cc = lib80211_country_findbyname(rdp, val);
2452 	if (cc == NULL) {
2453 		char *eptr;
2454 		long code = strtol(val, &eptr, 0);
2455 
2456 		if (eptr != val)
2457 			cc = lib80211_country_findbycc(rdp, code);
2458 		if (eptr == val || cc == NULL)
2459 			errx(1, "unknown ISO country code %s", val);
2460 	}
2461 	getregdomain(s);
2462 	regdomain.regdomain = cc->rd->sku;
2463 	regdomain.country = cc->code;
2464 	regdomain.isocc[0] = cc->isoname[0];
2465 	regdomain.isocc[1] = cc->isoname[1];
2466 	callback_register(setregdomain_cb, &regdomain);
2467 }
2468 
2469 static void
2470 set80211location(const char *val, int d, int s, const struct afswtch *rafp)
2471 {
2472 	getregdomain(s);
2473 	regdomain.location = d;
2474 	callback_register(setregdomain_cb, &regdomain);
2475 }
2476 
2477 static void
2478 set80211ecm(const char *val, int d, int s, const struct afswtch *rafp)
2479 {
2480 	getregdomain(s);
2481 	regdomain.ecm = d;
2482 	callback_register(setregdomain_cb, &regdomain);
2483 }
2484 
2485 static void
2486 LINE_INIT(char c)
2487 {
2488 	spacer = c;
2489 	if (c == '\t')
2490 		col = 8;
2491 	else
2492 		col = 1;
2493 }
2494 
2495 static void
2496 LINE_BREAK(void)
2497 {
2498 	if (spacer != '\t') {
2499 		printf("\n");
2500 		spacer = '\t';
2501 	}
2502 	col = 8;		/* 8-col tab */
2503 }
2504 
2505 static void
2506 LINE_CHECK(const char *fmt, ...)
2507 {
2508 	char buf[80];
2509 	va_list ap;
2510 	int n;
2511 
2512 	va_start(ap, fmt);
2513 	n = vsnprintf(buf+1, sizeof(buf)-1, fmt, ap);
2514 	va_end(ap);
2515 	col += 1+n;
2516 	if (col > MAXCOL) {
2517 		LINE_BREAK();
2518 		col += n;
2519 	}
2520 	buf[0] = spacer;
2521 	printf("%s", buf);
2522 	spacer = ' ';
2523 }
2524 
2525 static int
2526 getmaxrate(const uint8_t rates[15], uint8_t nrates)
2527 {
2528 	int i, maxrate = -1;
2529 
2530 	for (i = 0; i < nrates; i++) {
2531 		int rate = rates[i] & IEEE80211_RATE_VAL;
2532 		if (rate > maxrate)
2533 			maxrate = rate;
2534 	}
2535 	return maxrate / 2;
2536 }
2537 
2538 static const char *
2539 getcaps(int capinfo)
2540 {
2541 	static char capstring[32];
2542 	char *cp = capstring;
2543 
2544 	if (capinfo & IEEE80211_CAPINFO_ESS)
2545 		*cp++ = 'E';
2546 	if (capinfo & IEEE80211_CAPINFO_IBSS)
2547 		*cp++ = 'I';
2548 	if (capinfo & IEEE80211_CAPINFO_CF_POLLABLE)
2549 		*cp++ = 'c';
2550 	if (capinfo & IEEE80211_CAPINFO_CF_POLLREQ)
2551 		*cp++ = 'C';
2552 	if (capinfo & IEEE80211_CAPINFO_PRIVACY)
2553 		*cp++ = 'P';
2554 	if (capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE)
2555 		*cp++ = 'S';
2556 	if (capinfo & IEEE80211_CAPINFO_PBCC)
2557 		*cp++ = 'B';
2558 	if (capinfo & IEEE80211_CAPINFO_CHNL_AGILITY)
2559 		*cp++ = 'A';
2560 	if (capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME)
2561 		*cp++ = 's';
2562 	if (capinfo & IEEE80211_CAPINFO_RSN)
2563 		*cp++ = 'R';
2564 	if (capinfo & IEEE80211_CAPINFO_DSSSOFDM)
2565 		*cp++ = 'D';
2566 	*cp = '\0';
2567 	return capstring;
2568 }
2569 
2570 static const char *
2571 getflags(int flags)
2572 {
2573 	static char flagstring[32];
2574 	char *cp = flagstring;
2575 
2576 	if (flags & IEEE80211_NODE_AUTH)
2577 		*cp++ = 'A';
2578 	if (flags & IEEE80211_NODE_QOS)
2579 		*cp++ = 'Q';
2580 	if (flags & IEEE80211_NODE_ERP)
2581 		*cp++ = 'E';
2582 	if (flags & IEEE80211_NODE_PWR_MGT)
2583 		*cp++ = 'P';
2584 	if (flags & IEEE80211_NODE_HT) {
2585 		*cp++ = 'H';
2586 		if (flags & IEEE80211_NODE_HTCOMPAT)
2587 			*cp++ = '+';
2588 	}
2589 	if (flags & IEEE80211_NODE_VHT)
2590 		*cp++ = 'V';
2591 	if (flags & IEEE80211_NODE_WPS)
2592 		*cp++ = 'W';
2593 	if (flags & IEEE80211_NODE_TSN)
2594 		*cp++ = 'N';
2595 	if (flags & IEEE80211_NODE_AMPDU_TX)
2596 		*cp++ = 'T';
2597 	if (flags & IEEE80211_NODE_AMPDU_RX)
2598 		*cp++ = 'R';
2599 	if (flags & IEEE80211_NODE_MIMO_PS) {
2600 		*cp++ = 'M';
2601 		if (flags & IEEE80211_NODE_MIMO_RTS)
2602 			*cp++ = '+';
2603 	}
2604 	if (flags & IEEE80211_NODE_RIFS)
2605 		*cp++ = 'I';
2606 	if (flags & IEEE80211_NODE_SGI40) {
2607 		*cp++ = 'S';
2608 		if (flags & IEEE80211_NODE_SGI20)
2609 			*cp++ = '+';
2610 	} else if (flags & IEEE80211_NODE_SGI20)
2611 		*cp++ = 's';
2612 	if (flags & IEEE80211_NODE_AMSDU_TX)
2613 		*cp++ = 't';
2614 	if (flags & IEEE80211_NODE_AMSDU_RX)
2615 		*cp++ = 'r';
2616 	*cp = '\0';
2617 	return flagstring;
2618 }
2619 
2620 static void
2621 printie(const char* tag, const uint8_t *ie, size_t ielen, int maxlen)
2622 {
2623 	printf("%s", tag);
2624 	if (verbose) {
2625 		maxlen -= strlen(tag)+2;
2626 		if (2*ielen > maxlen)
2627 			maxlen--;
2628 		printf("<");
2629 		for (; ielen > 0; ie++, ielen--) {
2630 			if (maxlen-- <= 0)
2631 				break;
2632 			printf("%02x", *ie);
2633 		}
2634 		if (ielen != 0)
2635 			printf("-");
2636 		printf(">");
2637 	}
2638 }
2639 
2640 #define LE_READ_2(p)					\
2641 	((u_int16_t)					\
2642 	 ((((const u_int8_t *)(p))[0]      ) |		\
2643 	  (((const u_int8_t *)(p))[1] <<  8)))
2644 #define LE_READ_4(p)					\
2645 	((u_int32_t)					\
2646 	 ((((const u_int8_t *)(p))[0]      ) |		\
2647 	  (((const u_int8_t *)(p))[1] <<  8) |		\
2648 	  (((const u_int8_t *)(p))[2] << 16) |		\
2649 	  (((const u_int8_t *)(p))[3] << 24)))
2650 
2651 /*
2652  * NB: The decoding routines assume a properly formatted ie
2653  *     which should be safe as the kernel only retains them
2654  *     if they parse ok.
2655  */
2656 
2657 static void
2658 printwmeparam(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2659 {
2660 #define	MS(_v, _f)	(((_v) & _f) >> _f##_S)
2661 	static const char *acnames[] = { "BE", "BK", "VO", "VI" };
2662 	const struct ieee80211_wme_param *wme =
2663 	    (const struct ieee80211_wme_param *) ie;
2664 	int i;
2665 
2666 	printf("%s", tag);
2667 	if (!verbose)
2668 		return;
2669 	printf("<qosinfo 0x%x", wme->param_qosInfo);
2670 	ie += offsetof(struct ieee80211_wme_param, params_acParams);
2671 	for (i = 0; i < WME_NUM_AC; i++) {
2672 		const struct ieee80211_wme_acparams *ac =
2673 		    &wme->params_acParams[i];
2674 
2675 		printf(" %s[%saifsn %u cwmin %u cwmax %u txop %u]"
2676 			, acnames[i]
2677 			, MS(ac->acp_aci_aifsn, WME_PARAM_ACM) ? "acm " : ""
2678 			, MS(ac->acp_aci_aifsn, WME_PARAM_AIFSN)
2679 			, MS(ac->acp_logcwminmax, WME_PARAM_LOGCWMIN)
2680 			, MS(ac->acp_logcwminmax, WME_PARAM_LOGCWMAX)
2681 			, LE_READ_2(&ac->acp_txop)
2682 		);
2683 	}
2684 	printf(">");
2685 #undef MS
2686 }
2687 
2688 static void
2689 printwmeinfo(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2690 {
2691 	printf("%s", tag);
2692 	if (verbose) {
2693 		const struct ieee80211_wme_info *wme =
2694 		    (const struct ieee80211_wme_info *) ie;
2695 		printf("<version 0x%x info 0x%x>",
2696 		    wme->wme_version, wme->wme_info);
2697 	}
2698 }
2699 
2700 static void
2701 printvhtcap(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2702 {
2703 	printf("%s", tag);
2704 	if (verbose) {
2705 		const struct ieee80211_ie_vhtcap *vhtcap =
2706 		    (const struct ieee80211_ie_vhtcap *) ie;
2707 		uint32_t vhtcap_info = LE_READ_4(&vhtcap->vht_cap_info);
2708 
2709 		printf("<cap 0x%08x", vhtcap_info);
2710 		printf(" rx_mcs_map 0x%x",
2711 		    LE_READ_2(&vhtcap->supp_mcs.rx_mcs_map));
2712 		printf(" rx_highest %d",
2713 		    LE_READ_2(&vhtcap->supp_mcs.rx_highest) & 0x1fff);
2714 		printf(" tx_mcs_map 0x%x",
2715 		    LE_READ_2(&vhtcap->supp_mcs.tx_mcs_map));
2716 		printf(" tx_highest %d",
2717 		    LE_READ_2(&vhtcap->supp_mcs.tx_highest) & 0x1fff);
2718 
2719 		printf(">");
2720 	}
2721 }
2722 
2723 static void
2724 printvhtinfo(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2725 {
2726 	printf("%s", tag);
2727 	if (verbose) {
2728 		const struct ieee80211_ie_vht_operation *vhtinfo =
2729 		    (const struct ieee80211_ie_vht_operation *) ie;
2730 
2731 		printf("<chw %d freq1_idx %d freq2_idx %d basic_mcs_set 0x%04x>",
2732 		    vhtinfo->chan_width,
2733 		    vhtinfo->center_freq_seg1_idx,
2734 		    vhtinfo->center_freq_seg2_idx,
2735 		    LE_READ_2(&vhtinfo->basic_mcs_set));
2736 	}
2737 }
2738 
2739 static void
2740 printvhtpwrenv(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2741 {
2742 	printf("%s", tag);
2743 	static const char *txpwrmap[] = {
2744 		"20",
2745 		"40",
2746 		"80",
2747 		"160",
2748 	};
2749 	if (verbose) {
2750 		const struct ieee80211_ie_vht_txpwrenv *vhtpwr =
2751 		    (const struct ieee80211_ie_vht_txpwrenv *) ie;
2752 		int i, n;
2753 		const char *sep = "";
2754 
2755 		/* Get count; trim at ielen */
2756 		n = (vhtpwr->tx_info &
2757 		    IEEE80211_VHT_TXPWRENV_INFO_COUNT_MASK) + 1;
2758 		/* Trim at ielen */
2759 		if (n > ielen - 3)
2760 			n = ielen - 3;
2761 		printf("<tx_info 0x%02x pwr:[", vhtpwr->tx_info);
2762 		for (i = 0; i < n; i++) {
2763 			printf("%s%s:%.2f", sep, txpwrmap[i],
2764 			    ((float) ((int8_t) ie[i+3])) / 2.0);
2765 			sep = " ";
2766 		}
2767 
2768 		printf("]>");
2769 	}
2770 }
2771 
2772 static void
2773 printhtcap(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2774 {
2775 	printf("%s", tag);
2776 	if (verbose) {
2777 		const struct ieee80211_ie_htcap *htcap =
2778 		    (const struct ieee80211_ie_htcap *) ie;
2779 		const char *sep;
2780 		int i, j;
2781 
2782 		printf("<cap 0x%x param 0x%x",
2783 		    LE_READ_2(&htcap->hc_cap), htcap->hc_param);
2784 		printf(" mcsset[");
2785 		sep = "";
2786 		for (i = 0; i < IEEE80211_HTRATE_MAXSIZE; i++)
2787 			if (isset(htcap->hc_mcsset, i)) {
2788 				for (j = i+1; j < IEEE80211_HTRATE_MAXSIZE; j++)
2789 					if (isclr(htcap->hc_mcsset, j))
2790 						break;
2791 				j--;
2792 				if (i == j)
2793 					printf("%s%u", sep, i);
2794 				else
2795 					printf("%s%u-%u", sep, i, j);
2796 				i += j-i;
2797 				sep = ",";
2798 			}
2799 		printf("] extcap 0x%x txbf 0x%x antenna 0x%x>",
2800 		    LE_READ_2(&htcap->hc_extcap),
2801 		    LE_READ_4(&htcap->hc_txbf),
2802 		    htcap->hc_antenna);
2803 	}
2804 }
2805 
2806 static void
2807 printhtinfo(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2808 {
2809 	printf("%s", tag);
2810 	if (verbose) {
2811 		const struct ieee80211_ie_htinfo *htinfo =
2812 		    (const struct ieee80211_ie_htinfo *) ie;
2813 		const char *sep;
2814 		int i, j;
2815 
2816 		printf("<ctl %u, %x,%x,%x,%x", htinfo->hi_ctrlchannel,
2817 		    htinfo->hi_byte1, htinfo->hi_byte2, htinfo->hi_byte3,
2818 		    LE_READ_2(&htinfo->hi_byte45));
2819 		printf(" basicmcs[");
2820 		sep = "";
2821 		for (i = 0; i < IEEE80211_HTRATE_MAXSIZE; i++)
2822 			if (isset(htinfo->hi_basicmcsset, i)) {
2823 				for (j = i+1; j < IEEE80211_HTRATE_MAXSIZE; j++)
2824 					if (isclr(htinfo->hi_basicmcsset, j))
2825 						break;
2826 				j--;
2827 				if (i == j)
2828 					printf("%s%u", sep, i);
2829 				else
2830 					printf("%s%u-%u", sep, i, j);
2831 				i += j-i;
2832 				sep = ",";
2833 			}
2834 		printf("]>");
2835 	}
2836 }
2837 
2838 static void
2839 printathie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2840 {
2841 
2842 	printf("%s", tag);
2843 	if (verbose) {
2844 		const struct ieee80211_ath_ie *ath =
2845 			(const struct ieee80211_ath_ie *)ie;
2846 
2847 		printf("<");
2848 		if (ath->ath_capability & ATHEROS_CAP_TURBO_PRIME)
2849 			printf("DTURBO,");
2850 		if (ath->ath_capability & ATHEROS_CAP_COMPRESSION)
2851 			printf("COMP,");
2852 		if (ath->ath_capability & ATHEROS_CAP_FAST_FRAME)
2853 			printf("FF,");
2854 		if (ath->ath_capability & ATHEROS_CAP_XR)
2855 			printf("XR,");
2856 		if (ath->ath_capability & ATHEROS_CAP_AR)
2857 			printf("AR,");
2858 		if (ath->ath_capability & ATHEROS_CAP_BURST)
2859 			printf("BURST,");
2860 		if (ath->ath_capability & ATHEROS_CAP_WME)
2861 			printf("WME,");
2862 		if (ath->ath_capability & ATHEROS_CAP_BOOST)
2863 			printf("BOOST,");
2864 		printf("0x%x>", LE_READ_2(ath->ath_defkeyix));
2865 	}
2866 }
2867 
2868 
2869 static void
2870 printmeshconf(const char *tag, const uint8_t *ie, size_t ielen, int maxlen)
2871 {
2872 
2873 	printf("%s", tag);
2874 	if (verbose) {
2875 		const struct ieee80211_meshconf_ie *mconf =
2876 			(const struct ieee80211_meshconf_ie *)ie;
2877 		printf("<PATH:");
2878 		if (mconf->conf_pselid == IEEE80211_MESHCONF_PATH_HWMP)
2879 			printf("HWMP");
2880 		else
2881 			printf("UNKNOWN");
2882 		printf(" LINK:");
2883 		if (mconf->conf_pmetid == IEEE80211_MESHCONF_METRIC_AIRTIME)
2884 			printf("AIRTIME");
2885 		else
2886 			printf("UNKNOWN");
2887 		printf(" CONGESTION:");
2888 		if (mconf->conf_ccid == IEEE80211_MESHCONF_CC_DISABLED)
2889 			printf("DISABLED");
2890 		else
2891 			printf("UNKNOWN");
2892 		printf(" SYNC:");
2893 		if (mconf->conf_syncid == IEEE80211_MESHCONF_SYNC_NEIGHOFF)
2894 			printf("NEIGHOFF");
2895 		else
2896 			printf("UNKNOWN");
2897 		printf(" AUTH:");
2898 		if (mconf->conf_authid == IEEE80211_MESHCONF_AUTH_DISABLED)
2899 			printf("DISABLED");
2900 		else
2901 			printf("UNKNOWN");
2902 		printf(" FORM:0x%x CAPS:0x%x>", mconf->conf_form,
2903 		    mconf->conf_cap);
2904 	}
2905 }
2906 
2907 static void
2908 printbssload(const char *tag, const uint8_t *ie, size_t ielen, int maxlen)
2909 {
2910 	printf("%s", tag);
2911 	if (verbose) {
2912 		const struct ieee80211_bss_load_ie *bssload =
2913 		    (const struct ieee80211_bss_load_ie *) ie;
2914 		printf("<sta count %d, chan load %d, aac %d>",
2915 		    LE_READ_2(&bssload->sta_count),
2916 		    bssload->chan_load,
2917 		    bssload->aac);
2918 	}
2919 }
2920 
2921 static void
2922 printapchanrep(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2923 {
2924 	printf("%s", tag);
2925 	if (verbose) {
2926 		const struct ieee80211_ap_chan_report_ie *ap =
2927 		    (const struct ieee80211_ap_chan_report_ie *) ie;
2928 		const char *sep = "";
2929 		int i;
2930 
2931 		printf("<class %u, chan:[", ap->i_class);
2932 
2933 		for (i = 3; i < ielen; i++) {
2934 			printf("%s%u", sep, ie[i]);
2935 			sep = ",";
2936 		}
2937 		printf("]>");
2938 	}
2939 }
2940 
2941 static const char *
2942 wpa_cipher(const u_int8_t *sel)
2943 {
2944 #define	WPA_SEL(x)	(((x)<<24)|WPA_OUI)
2945 	u_int32_t w = LE_READ_4(sel);
2946 
2947 	switch (w) {
2948 	case WPA_SEL(WPA_CSE_NULL):
2949 		return "NONE";
2950 	case WPA_SEL(WPA_CSE_WEP40):
2951 		return "WEP40";
2952 	case WPA_SEL(WPA_CSE_WEP104):
2953 		return "WEP104";
2954 	case WPA_SEL(WPA_CSE_TKIP):
2955 		return "TKIP";
2956 	case WPA_SEL(WPA_CSE_CCMP):
2957 		return "AES-CCMP";
2958 	}
2959 	return "?";		/* NB: so 1<< is discarded */
2960 #undef WPA_SEL
2961 }
2962 
2963 static const char *
2964 wpa_keymgmt(const u_int8_t *sel)
2965 {
2966 #define	WPA_SEL(x)	(((x)<<24)|WPA_OUI)
2967 	u_int32_t w = LE_READ_4(sel);
2968 
2969 	switch (w) {
2970 	case WPA_SEL(WPA_ASE_8021X_UNSPEC):
2971 		return "8021X-UNSPEC";
2972 	case WPA_SEL(WPA_ASE_8021X_PSK):
2973 		return "8021X-PSK";
2974 	case WPA_SEL(WPA_ASE_NONE):
2975 		return "NONE";
2976 	}
2977 	return "?";
2978 #undef WPA_SEL
2979 }
2980 
2981 static void
2982 printwpaie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2983 {
2984 	u_int8_t len = ie[1];
2985 
2986 	printf("%s", tag);
2987 	if (verbose) {
2988 		const char *sep;
2989 		int n;
2990 
2991 		ie += 6, len -= 4;		/* NB: len is payload only */
2992 
2993 		printf("<v%u", LE_READ_2(ie));
2994 		ie += 2, len -= 2;
2995 
2996 		printf(" mc:%s", wpa_cipher(ie));
2997 		ie += 4, len -= 4;
2998 
2999 		/* unicast ciphers */
3000 		n = LE_READ_2(ie);
3001 		ie += 2, len -= 2;
3002 		sep = " uc:";
3003 		for (; n > 0; n--) {
3004 			printf("%s%s", sep, wpa_cipher(ie));
3005 			ie += 4, len -= 4;
3006 			sep = "+";
3007 		}
3008 
3009 		/* key management algorithms */
3010 		n = LE_READ_2(ie);
3011 		ie += 2, len -= 2;
3012 		sep = " km:";
3013 		for (; n > 0; n--) {
3014 			printf("%s%s", sep, wpa_keymgmt(ie));
3015 			ie += 4, len -= 4;
3016 			sep = "+";
3017 		}
3018 
3019 		if (len > 2)		/* optional capabilities */
3020 			printf(", caps 0x%x", LE_READ_2(ie));
3021 		printf(">");
3022 	}
3023 }
3024 
3025 static const char *
3026 rsn_cipher(const u_int8_t *sel)
3027 {
3028 #define	RSN_SEL(x)	(((x)<<24)|RSN_OUI)
3029 	u_int32_t w = LE_READ_4(sel);
3030 
3031 	switch (w) {
3032 	case RSN_SEL(RSN_CSE_NULL):
3033 		return "NONE";
3034 	case RSN_SEL(RSN_CSE_WEP40):
3035 		return "WEP40";
3036 	case RSN_SEL(RSN_CSE_WEP104):
3037 		return "WEP104";
3038 	case RSN_SEL(RSN_CSE_TKIP):
3039 		return "TKIP";
3040 	case RSN_SEL(RSN_CSE_CCMP):
3041 		return "AES-CCMP";
3042 	case RSN_SEL(RSN_CSE_WRAP):
3043 		return "AES-OCB";
3044 	}
3045 	return "?";
3046 #undef WPA_SEL
3047 }
3048 
3049 static const char *
3050 rsn_keymgmt(const u_int8_t *sel)
3051 {
3052 #define	RSN_SEL(x)	(((x)<<24)|RSN_OUI)
3053 	u_int32_t w = LE_READ_4(sel);
3054 
3055 	switch (w) {
3056 	case RSN_SEL(RSN_ASE_8021X_UNSPEC):
3057 		return "8021X-UNSPEC";
3058 	case RSN_SEL(RSN_ASE_8021X_PSK):
3059 		return "8021X-PSK";
3060 	case RSN_SEL(RSN_ASE_NONE):
3061 		return "NONE";
3062 	}
3063 	return "?";
3064 #undef RSN_SEL
3065 }
3066 
3067 static void
3068 printrsnie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
3069 {
3070 	printf("%s", tag);
3071 	if (verbose) {
3072 		const char *sep;
3073 		int n;
3074 
3075 		ie += 2, ielen -= 2;
3076 
3077 		printf("<v%u", LE_READ_2(ie));
3078 		ie += 2, ielen -= 2;
3079 
3080 		printf(" mc:%s", rsn_cipher(ie));
3081 		ie += 4, ielen -= 4;
3082 
3083 		/* unicast ciphers */
3084 		n = LE_READ_2(ie);
3085 		ie += 2, ielen -= 2;
3086 		sep = " uc:";
3087 		for (; n > 0; n--) {
3088 			printf("%s%s", sep, rsn_cipher(ie));
3089 			ie += 4, ielen -= 4;
3090 			sep = "+";
3091 		}
3092 
3093 		/* key management algorithms */
3094 		n = LE_READ_2(ie);
3095 		ie += 2, ielen -= 2;
3096 		sep = " km:";
3097 		for (; n > 0; n--) {
3098 			printf("%s%s", sep, rsn_keymgmt(ie));
3099 			ie += 4, ielen -= 4;
3100 			sep = "+";
3101 		}
3102 
3103 		if (ielen > 2)		/* optional capabilities */
3104 			printf(", caps 0x%x", LE_READ_2(ie));
3105 		/* XXXPMKID */
3106 		printf(">");
3107 	}
3108 }
3109 
3110 /* XXX move to a public include file */
3111 #define IEEE80211_WPS_DEV_PASS_ID	0x1012
3112 #define IEEE80211_WPS_SELECTED_REG	0x1041
3113 #define IEEE80211_WPS_SETUP_STATE	0x1044
3114 #define IEEE80211_WPS_UUID_E		0x1047
3115 #define IEEE80211_WPS_VERSION		0x104a
3116 
3117 #define BE_READ_2(p)					\
3118 	((u_int16_t)					\
3119 	 ((((const u_int8_t *)(p))[1]      ) |		\
3120 	  (((const u_int8_t *)(p))[0] <<  8)))
3121 
3122 static void
3123 printwpsie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
3124 {
3125 	u_int8_t len = ie[1];
3126 
3127 	printf("%s", tag);
3128 	if (verbose) {
3129 		static const char *dev_pass_id[] = {
3130 			"D",	/* Default (PIN) */
3131 			"U",	/* User-specified */
3132 			"M",	/* Machine-specified */
3133 			"K",	/* Rekey */
3134 			"P",	/* PushButton */
3135 			"R"	/* Registrar-specified */
3136 		};
3137 		int n;
3138 
3139 		ie +=6, len -= 4;		/* NB: len is payload only */
3140 
3141 		/* WPS IE in Beacon and Probe Resp frames have different fields */
3142 		printf("<");
3143 		while (len) {
3144 			uint16_t tlv_type = BE_READ_2(ie);
3145 			uint16_t tlv_len  = BE_READ_2(ie + 2);
3146 
3147 			ie += 4, len -= 4;
3148 
3149 			switch (tlv_type) {
3150 			case IEEE80211_WPS_VERSION:
3151 				printf("v:%d.%d", *ie >> 4, *ie & 0xf);
3152 				break;
3153 			case IEEE80211_WPS_SETUP_STATE:
3154 				/* Only 1 and 2 are valid */
3155 				if (*ie == 0 || *ie >= 3)
3156 					printf(" state:B");
3157 				else
3158 					printf(" st:%s", *ie == 1 ? "N" : "C");
3159 				break;
3160 			case IEEE80211_WPS_SELECTED_REG:
3161 				printf(" sel:%s", *ie ? "T" : "F");
3162 				break;
3163 			case IEEE80211_WPS_DEV_PASS_ID:
3164 				n = LE_READ_2(ie);
3165 				if (n < nitems(dev_pass_id))
3166 					printf(" dpi:%s", dev_pass_id[n]);
3167 				break;
3168 			case IEEE80211_WPS_UUID_E:
3169 				printf(" uuid-e:");
3170 				for (n = 0; n < (tlv_len - 1); n++)
3171 					printf("%02x-", ie[n]);
3172 				printf("%02x", ie[n]);
3173 				break;
3174 			}
3175 			ie += tlv_len, len -= tlv_len;
3176 		}
3177 		printf(">");
3178 	}
3179 }
3180 
3181 static void
3182 printtdmaie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
3183 {
3184 	printf("%s", tag);
3185 	if (verbose && ielen >= sizeof(struct ieee80211_tdma_param)) {
3186 		const struct ieee80211_tdma_param *tdma =
3187 		   (const struct ieee80211_tdma_param *) ie;
3188 
3189 		/* XXX tstamp */
3190 		printf("<v%u slot:%u slotcnt:%u slotlen:%u bintval:%u inuse:0x%x>",
3191 		    tdma->tdma_version, tdma->tdma_slot, tdma->tdma_slotcnt,
3192 		    LE_READ_2(&tdma->tdma_slotlen), tdma->tdma_bintval,
3193 		    tdma->tdma_inuse[0]);
3194 	}
3195 }
3196 
3197 /*
3198  * Copy the ssid string contents into buf, truncating to fit.  If the
3199  * ssid is entirely printable then just copy intact.  Otherwise convert
3200  * to hexadecimal.  If the result is truncated then replace the last
3201  * three characters with "...".
3202  */
3203 static int
3204 copy_essid(char buf[], size_t bufsize, const u_int8_t *essid, size_t essid_len)
3205 {
3206 	const u_int8_t *p;
3207 	size_t maxlen;
3208 	u_int i;
3209 
3210 	if (essid_len > bufsize)
3211 		maxlen = bufsize;
3212 	else
3213 		maxlen = essid_len;
3214 	/* determine printable or not */
3215 	for (i = 0, p = essid; i < maxlen; i++, p++) {
3216 		if (*p < ' ' || *p > 0x7e)
3217 			break;
3218 	}
3219 	if (i != maxlen) {		/* not printable, print as hex */
3220 		if (bufsize < 3)
3221 			return 0;
3222 		strlcpy(buf, "0x", bufsize);
3223 		bufsize -= 2;
3224 		p = essid;
3225 		for (i = 0; i < maxlen && bufsize >= 2; i++) {
3226 			sprintf(&buf[2+2*i], "%02x", p[i]);
3227 			bufsize -= 2;
3228 		}
3229 		if (i != essid_len)
3230 			memcpy(&buf[2+2*i-3], "...", 3);
3231 	} else {			/* printable, truncate as needed */
3232 		memcpy(buf, essid, maxlen);
3233 		if (maxlen != essid_len)
3234 			memcpy(&buf[maxlen-3], "...", 3);
3235 	}
3236 	return maxlen;
3237 }
3238 
3239 static void
3240 printssid(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
3241 {
3242 	char ssid[2*IEEE80211_NWID_LEN+1];
3243 
3244 	printf("%s<%.*s>", tag, copy_essid(ssid, maxlen, ie+2, ie[1]), ssid);
3245 }
3246 
3247 static void
3248 printrates(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
3249 {
3250 	const char *sep;
3251 	int i;
3252 
3253 	printf("%s", tag);
3254 	sep = "<";
3255 	for (i = 2; i < ielen; i++) {
3256 		printf("%s%s%d", sep,
3257 		    ie[i] & IEEE80211_RATE_BASIC ? "B" : "",
3258 		    ie[i] & IEEE80211_RATE_VAL);
3259 		sep = ",";
3260 	}
3261 	printf(">");
3262 }
3263 
3264 static void
3265 printcountry(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
3266 {
3267 	const struct ieee80211_country_ie *cie =
3268 	   (const struct ieee80211_country_ie *) ie;
3269 	int i, nbands, schan, nchan;
3270 
3271 	printf("%s<%c%c%c", tag, cie->cc[0], cie->cc[1], cie->cc[2]);
3272 	nbands = (cie->len - 3) / sizeof(cie->band[0]);
3273 	for (i = 0; i < nbands; i++) {
3274 		schan = cie->band[i].schan;
3275 		nchan = cie->band[i].nchan;
3276 		if (nchan != 1)
3277 			printf(" %u-%u,%u", schan, schan + nchan-1,
3278 			    cie->band[i].maxtxpwr);
3279 		else
3280 			printf(" %u,%u", schan, cie->band[i].maxtxpwr);
3281 	}
3282 	printf(">");
3283 }
3284 
3285 static __inline int
3286 iswpaoui(const u_int8_t *frm)
3287 {
3288 	return frm[1] > 3 && LE_READ_4(frm+2) == ((WPA_OUI_TYPE<<24)|WPA_OUI);
3289 }
3290 
3291 static __inline int
3292 iswmeinfo(const u_int8_t *frm)
3293 {
3294 	return frm[1] > 5 && LE_READ_4(frm+2) == ((WME_OUI_TYPE<<24)|WME_OUI) &&
3295 		frm[6] == WME_INFO_OUI_SUBTYPE;
3296 }
3297 
3298 static __inline int
3299 iswmeparam(const u_int8_t *frm)
3300 {
3301 	return frm[1] > 5 && LE_READ_4(frm+2) == ((WME_OUI_TYPE<<24)|WME_OUI) &&
3302 		frm[6] == WME_PARAM_OUI_SUBTYPE;
3303 }
3304 
3305 static __inline int
3306 isatherosoui(const u_int8_t *frm)
3307 {
3308 	return frm[1] > 3 && LE_READ_4(frm+2) == ((ATH_OUI_TYPE<<24)|ATH_OUI);
3309 }
3310 
3311 static __inline int
3312 istdmaoui(const uint8_t *frm)
3313 {
3314 	return frm[1] > 3 && LE_READ_4(frm+2) == ((TDMA_OUI_TYPE<<24)|TDMA_OUI);
3315 }
3316 
3317 static __inline int
3318 iswpsoui(const uint8_t *frm)
3319 {
3320 	return frm[1] > 3 && LE_READ_4(frm+2) == ((WPS_OUI_TYPE<<24)|WPA_OUI);
3321 }
3322 
3323 static const char *
3324 iename(int elemid)
3325 {
3326 	switch (elemid) {
3327 	case IEEE80211_ELEMID_FHPARMS:	return " FHPARMS";
3328 	case IEEE80211_ELEMID_CFPARMS:	return " CFPARMS";
3329 	case IEEE80211_ELEMID_TIM:	return " TIM";
3330 	case IEEE80211_ELEMID_IBSSPARMS:return " IBSSPARMS";
3331 	case IEEE80211_ELEMID_BSSLOAD:	return " BSSLOAD";
3332 	case IEEE80211_ELEMID_CHALLENGE:return " CHALLENGE";
3333 	case IEEE80211_ELEMID_PWRCNSTR:	return " PWRCNSTR";
3334 	case IEEE80211_ELEMID_PWRCAP:	return " PWRCAP";
3335 	case IEEE80211_ELEMID_TPCREQ:	return " TPCREQ";
3336 	case IEEE80211_ELEMID_TPCREP:	return " TPCREP";
3337 	case IEEE80211_ELEMID_SUPPCHAN:	return " SUPPCHAN";
3338 	case IEEE80211_ELEMID_CSA:	return " CSA";
3339 	case IEEE80211_ELEMID_MEASREQ:	return " MEASREQ";
3340 	case IEEE80211_ELEMID_MEASREP:	return " MEASREP";
3341 	case IEEE80211_ELEMID_QUIET:	return " QUIET";
3342 	case IEEE80211_ELEMID_IBSSDFS:	return " IBSSDFS";
3343 	case IEEE80211_ELEMID_TPC:	return " TPC";
3344 	case IEEE80211_ELEMID_CCKM:	return " CCKM";
3345 	}
3346 	return " ???";
3347 }
3348 
3349 static void
3350 printies(const u_int8_t *vp, int ielen, int maxcols)
3351 {
3352 	while (ielen > 0) {
3353 		switch (vp[0]) {
3354 		case IEEE80211_ELEMID_SSID:
3355 			if (verbose)
3356 				printssid(" SSID", vp, 2+vp[1], maxcols);
3357 			break;
3358 		case IEEE80211_ELEMID_RATES:
3359 		case IEEE80211_ELEMID_XRATES:
3360 			if (verbose)
3361 				printrates(vp[0] == IEEE80211_ELEMID_RATES ?
3362 				    " RATES" : " XRATES", vp, 2+vp[1], maxcols);
3363 			break;
3364 		case IEEE80211_ELEMID_DSPARMS:
3365 			if (verbose)
3366 				printf(" DSPARMS<%u>", vp[2]);
3367 			break;
3368 		case IEEE80211_ELEMID_COUNTRY:
3369 			if (verbose)
3370 				printcountry(" COUNTRY", vp, 2+vp[1], maxcols);
3371 			break;
3372 		case IEEE80211_ELEMID_ERP:
3373 			if (verbose)
3374 				printf(" ERP<0x%x>", vp[2]);
3375 			break;
3376 		case IEEE80211_ELEMID_VENDOR:
3377 			if (iswpaoui(vp))
3378 				printwpaie(" WPA", vp, 2+vp[1], maxcols);
3379 			else if (iswmeinfo(vp))
3380 				printwmeinfo(" WME", vp, 2+vp[1], maxcols);
3381 			else if (iswmeparam(vp))
3382 				printwmeparam(" WME", vp, 2+vp[1], maxcols);
3383 			else if (isatherosoui(vp))
3384 				printathie(" ATH", vp, 2+vp[1], maxcols);
3385 			else if (iswpsoui(vp))
3386 				printwpsie(" WPS", vp, 2+vp[1], maxcols);
3387 			else if (istdmaoui(vp))
3388 				printtdmaie(" TDMA", vp, 2+vp[1], maxcols);
3389 			else if (verbose)
3390 				printie(" VEN", vp, 2+vp[1], maxcols);
3391 			break;
3392 		case IEEE80211_ELEMID_RSN:
3393 			printrsnie(" RSN", vp, 2+vp[1], maxcols);
3394 			break;
3395 		case IEEE80211_ELEMID_HTCAP:
3396 			printhtcap(" HTCAP", vp, 2+vp[1], maxcols);
3397 			break;
3398 		case IEEE80211_ELEMID_HTINFO:
3399 			if (verbose)
3400 				printhtinfo(" HTINFO", vp, 2+vp[1], maxcols);
3401 			break;
3402 		case IEEE80211_ELEMID_MESHID:
3403 			if (verbose)
3404 				printssid(" MESHID", vp, 2+vp[1], maxcols);
3405 			break;
3406 		case IEEE80211_ELEMID_MESHCONF:
3407 			printmeshconf(" MESHCONF", vp, 2+vp[1], maxcols);
3408 			break;
3409 		case IEEE80211_ELEMID_VHT_CAP:
3410 			printvhtcap(" VHTCAP", vp, 2+vp[1], maxcols);
3411 			break;
3412 		case IEEE80211_ELEMID_VHT_OPMODE:
3413 			printvhtinfo(" VHTOPMODE", vp, 2+vp[1], maxcols);
3414 			break;
3415 		case IEEE80211_ELEMID_VHT_PWR_ENV:
3416 			printvhtpwrenv(" VHTPWRENV", vp, 2+vp[1], maxcols);
3417 			break;
3418 		case IEEE80211_ELEMID_BSSLOAD:
3419 			printbssload(" BSSLOAD", vp, 2+vp[1], maxcols);
3420 			break;
3421 		case IEEE80211_ELEMID_APCHANREP:
3422 			printapchanrep(" APCHANREP", vp, 2+vp[1], maxcols);
3423 			break;
3424 		default:
3425 			if (verbose)
3426 				printie(iename(vp[0]), vp, 2+vp[1], maxcols);
3427 			break;
3428 		}
3429 		ielen -= 2+vp[1];
3430 		vp += 2+vp[1];
3431 	}
3432 }
3433 
3434 static void
3435 printmimo(const struct ieee80211_mimo_info *mi)
3436 {
3437 	/* NB: don't muddy display unless there's something to show */
3438 	if (mi->rssi[0] != 0 || mi->rssi[1] != 0 || mi->rssi[2] != 0) {
3439 		/* XXX ignore EVM for now */
3440 		printf(" (rssi %.1f:%.1f:%.1f nf %d:%d:%d)",
3441 		    mi->rssi[0] / 2.0, mi->rssi[1] / 2.0, mi->rssi[2] / 2.0,
3442 		    mi->noise[0], mi->noise[1], mi->noise[2]);
3443 	}
3444 }
3445 
3446 static void
3447 list_scan(int s)
3448 {
3449 	uint8_t buf[24*1024];
3450 	char ssid[IEEE80211_NWID_LEN+1];
3451 	const uint8_t *cp;
3452 	int len, ssidmax, idlen;
3453 
3454 	if (get80211len(s, IEEE80211_IOC_SCAN_RESULTS, buf, sizeof(buf), &len) < 0)
3455 		errx(1, "unable to get scan results");
3456 	if (len < sizeof(struct ieee80211req_scan_result))
3457 		return;
3458 
3459 	getchaninfo(s);
3460 
3461 	ssidmax = verbose ? IEEE80211_NWID_LEN : 14;
3462 	printf("%-*.*s  %-17.17s  %4s %4s   %-7s  %3s %4s\n"
3463 		, ssidmax, ssidmax, "SSID/MESH ID"
3464 		, "BSSID"
3465 		, "CHAN"
3466 		, "RATE"
3467 		, " S:N"
3468 		, "INT"
3469 		, "CAPS"
3470 	);
3471 	cp = buf;
3472 	do {
3473 		const struct ieee80211req_scan_result *sr;
3474 		const uint8_t *vp, *idp;
3475 
3476 		sr = (const struct ieee80211req_scan_result *) cp;
3477 		vp = cp + sr->isr_ie_off;
3478 		if (sr->isr_meshid_len) {
3479 			idp = vp + sr->isr_ssid_len;
3480 			idlen = sr->isr_meshid_len;
3481 		} else {
3482 			idp = vp;
3483 			idlen = sr->isr_ssid_len;
3484 		}
3485 		printf("%-*.*s  %s  %3d  %3dM %4d:%-4d %4d %-4.4s"
3486 			, ssidmax
3487 			  , copy_essid(ssid, ssidmax, idp, idlen)
3488 			  , ssid
3489 			, ether_ntoa((const struct ether_addr *) sr->isr_bssid)
3490 			, ieee80211_mhz2ieee(sr->isr_freq, sr->isr_flags)
3491 			, getmaxrate(sr->isr_rates, sr->isr_nrates)
3492 			, (sr->isr_rssi/2)+sr->isr_noise, sr->isr_noise
3493 			, sr->isr_intval
3494 			, getcaps(sr->isr_capinfo)
3495 		);
3496 		printies(vp + sr->isr_ssid_len + sr->isr_meshid_len,
3497 		    sr->isr_ie_len, 24);
3498 		printf("\n");
3499 		cp += sr->isr_len, len -= sr->isr_len;
3500 	} while (len >= sizeof(struct ieee80211req_scan_result));
3501 }
3502 
3503 static void
3504 scan_and_wait(int s)
3505 {
3506 	struct ieee80211_scan_req sr;
3507 	struct ieee80211req ireq;
3508 	int sroute;
3509 
3510 	sroute = socket(PF_ROUTE, SOCK_RAW, 0);
3511 	if (sroute < 0) {
3512 		perror("socket(PF_ROUTE,SOCK_RAW)");
3513 		return;
3514 	}
3515 	(void) memset(&ireq, 0, sizeof(ireq));
3516 	(void) strlcpy(ireq.i_name, name, sizeof(ireq.i_name));
3517 	ireq.i_type = IEEE80211_IOC_SCAN_REQ;
3518 
3519 	memset(&sr, 0, sizeof(sr));
3520 	sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE
3521 		    | IEEE80211_IOC_SCAN_BGSCAN
3522 		    | IEEE80211_IOC_SCAN_NOPICK
3523 		    | IEEE80211_IOC_SCAN_ONCE;
3524 	sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER;
3525 	sr.sr_nssid = 0;
3526 
3527 	ireq.i_data = &sr;
3528 	ireq.i_len = sizeof(sr);
3529 	/*
3530 	 * NB: only root can trigger a scan so ignore errors. Also ignore
3531 	 * possible errors from net80211, even if no new scan could be
3532 	 * started there might still be a valid scan cache.
3533 	 */
3534 	if (ioctl(s, SIOCS80211, &ireq) == 0) {
3535 		char buf[2048];
3536 		struct if_announcemsghdr *ifan;
3537 		struct rt_msghdr *rtm;
3538 
3539 		do {
3540 			if (read(sroute, buf, sizeof(buf)) < 0) {
3541 				perror("read(PF_ROUTE)");
3542 				break;
3543 			}
3544 			rtm = (struct rt_msghdr *) buf;
3545 			if (rtm->rtm_version != RTM_VERSION)
3546 				break;
3547 			ifan = (struct if_announcemsghdr *) rtm;
3548 		} while (rtm->rtm_type != RTM_IEEE80211 ||
3549 		    ifan->ifan_what != RTM_IEEE80211_SCAN);
3550 	}
3551 	close(sroute);
3552 }
3553 
3554 static
3555 DECL_CMD_FUNC(set80211scan, val, d)
3556 {
3557 	scan_and_wait(s);
3558 	list_scan(s);
3559 }
3560 
3561 static enum ieee80211_opmode get80211opmode(int s);
3562 
3563 static int
3564 gettxseq(const struct ieee80211req_sta_info *si)
3565 {
3566 	int i, txseq;
3567 
3568 	if ((si->isi_state & IEEE80211_NODE_QOS) == 0)
3569 		return si->isi_txseqs[0];
3570 	/* XXX not right but usually what folks want */
3571 	txseq = 0;
3572 	for (i = 0; i < IEEE80211_TID_SIZE; i++)
3573 		if (si->isi_txseqs[i] > txseq)
3574 			txseq = si->isi_txseqs[i];
3575 	return txseq;
3576 }
3577 
3578 static int
3579 getrxseq(const struct ieee80211req_sta_info *si)
3580 {
3581 	int i, rxseq;
3582 
3583 	if ((si->isi_state & IEEE80211_NODE_QOS) == 0)
3584 		return si->isi_rxseqs[0];
3585 	/* XXX not right but usually what folks want */
3586 	rxseq = 0;
3587 	for (i = 0; i < IEEE80211_TID_SIZE; i++)
3588 		if (si->isi_rxseqs[i] > rxseq)
3589 			rxseq = si->isi_rxseqs[i];
3590 	return rxseq;
3591 }
3592 
3593 static void
3594 list_stations(int s)
3595 {
3596 	union {
3597 		struct ieee80211req_sta_req req;
3598 		uint8_t buf[24*1024];
3599 	} u;
3600 	enum ieee80211_opmode opmode = get80211opmode(s);
3601 	const uint8_t *cp;
3602 	int len;
3603 
3604 	/* broadcast address =>'s get all stations */
3605 	(void) memset(u.req.is_u.macaddr, 0xff, IEEE80211_ADDR_LEN);
3606 	if (opmode == IEEE80211_M_STA) {
3607 		/*
3608 		 * Get information about the associated AP.
3609 		 */
3610 		(void) get80211(s, IEEE80211_IOC_BSSID,
3611 		    u.req.is_u.macaddr, IEEE80211_ADDR_LEN);
3612 	}
3613 	if (get80211len(s, IEEE80211_IOC_STA_INFO, &u, sizeof(u), &len) < 0)
3614 		errx(1, "unable to get station information");
3615 	if (len < sizeof(struct ieee80211req_sta_info))
3616 		return;
3617 
3618 	getchaninfo(s);
3619 
3620 	if (opmode == IEEE80211_M_MBSS)
3621 		printf("%-17.17s %4s %5s %5s %7s %4s %4s %4s %6s %6s\n"
3622 			, "ADDR"
3623 			, "CHAN"
3624 			, "LOCAL"
3625 			, "PEER"
3626 			, "STATE"
3627 			, "RATE"
3628 			, "RSSI"
3629 			, "IDLE"
3630 			, "TXSEQ"
3631 			, "RXSEQ"
3632 		);
3633 	else
3634 		printf("%-17.17s %4s %4s %4s %4s %4s %6s %6s %4s %-7s\n"
3635 			, "ADDR"
3636 			, "AID"
3637 			, "CHAN"
3638 			, "RATE"
3639 			, "RSSI"
3640 			, "IDLE"
3641 			, "TXSEQ"
3642 			, "RXSEQ"
3643 			, "CAPS"
3644 			, "FLAG"
3645 		);
3646 	cp = (const uint8_t *) u.req.info;
3647 	do {
3648 		const struct ieee80211req_sta_info *si;
3649 
3650 		si = (const struct ieee80211req_sta_info *) cp;
3651 		if (si->isi_len < sizeof(*si))
3652 			break;
3653 		if (opmode == IEEE80211_M_MBSS)
3654 			printf("%s %4d %5x %5x %7.7s %3dM %4.1f %4d %6d %6d"
3655 				, ether_ntoa((const struct ether_addr*)
3656 				    si->isi_macaddr)
3657 				, ieee80211_mhz2ieee(si->isi_freq,
3658 				    si->isi_flags)
3659 				, si->isi_localid
3660 				, si->isi_peerid
3661 				, mesh_linkstate_string(si->isi_peerstate)
3662 				, si->isi_txmbps/2
3663 				, si->isi_rssi/2.
3664 				, si->isi_inact
3665 				, gettxseq(si)
3666 				, getrxseq(si)
3667 			);
3668 		else
3669 			printf("%s %4u %4d %3dM %4.1f %4d %6d %6d %-4.4s %-7.7s"
3670 				, ether_ntoa((const struct ether_addr*)
3671 				    si->isi_macaddr)
3672 				, IEEE80211_AID(si->isi_associd)
3673 				, ieee80211_mhz2ieee(si->isi_freq,
3674 				    si->isi_flags)
3675 				, si->isi_txmbps/2
3676 				, si->isi_rssi/2.
3677 				, si->isi_inact
3678 				, gettxseq(si)
3679 				, getrxseq(si)
3680 				, getcaps(si->isi_capinfo)
3681 				, getflags(si->isi_state)
3682 			);
3683 		printies(cp + si->isi_ie_off, si->isi_ie_len, 24);
3684 		printmimo(&si->isi_mimo);
3685 		printf("\n");
3686 		cp += si->isi_len, len -= si->isi_len;
3687 	} while (len >= sizeof(struct ieee80211req_sta_info));
3688 }
3689 
3690 static const char *
3691 mesh_linkstate_string(uint8_t state)
3692 {
3693 	static const char *state_names[] = {
3694 	    [0] = "IDLE",
3695 	    [1] = "OPEN-TX",
3696 	    [2] = "OPEN-RX",
3697 	    [3] = "CONF-RX",
3698 	    [4] = "ESTAB",
3699 	    [5] = "HOLDING",
3700 	};
3701 
3702 	if (state >= nitems(state_names)) {
3703 		static char buf[10];
3704 		snprintf(buf, sizeof(buf), "#%u", state);
3705 		return buf;
3706 	} else
3707 		return state_names[state];
3708 }
3709 
3710 static const char *
3711 get_chaninfo(const struct ieee80211_channel *c, int precise,
3712 	char buf[], size_t bsize)
3713 {
3714 	buf[0] = '\0';
3715 	if (IEEE80211_IS_CHAN_FHSS(c))
3716 		strlcat(buf, " FHSS", bsize);
3717 	if (IEEE80211_IS_CHAN_A(c))
3718 		strlcat(buf, " 11a", bsize);
3719 	else if (IEEE80211_IS_CHAN_ANYG(c))
3720 		strlcat(buf, " 11g", bsize);
3721 	else if (IEEE80211_IS_CHAN_B(c))
3722 		strlcat(buf, " 11b", bsize);
3723 	if (IEEE80211_IS_CHAN_HALF(c))
3724 		strlcat(buf, "/10MHz", bsize);
3725 	if (IEEE80211_IS_CHAN_QUARTER(c))
3726 		strlcat(buf, "/5MHz", bsize);
3727 	if (IEEE80211_IS_CHAN_TURBO(c))
3728 		strlcat(buf, " Turbo", bsize);
3729 	if (precise) {
3730 		/* XXX should make VHT80U, VHT80D */
3731 		if (IEEE80211_IS_CHAN_VHT80(c) &&
3732 		    IEEE80211_IS_CHAN_HT40D(c))
3733 			strlcat(buf, " vht/80-", bsize);
3734 		else if (IEEE80211_IS_CHAN_VHT80(c) &&
3735 		    IEEE80211_IS_CHAN_HT40U(c))
3736 			strlcat(buf, " vht/80+", bsize);
3737 		else if (IEEE80211_IS_CHAN_VHT80(c))
3738 			strlcat(buf, " vht/80", bsize);
3739 		else if (IEEE80211_IS_CHAN_VHT40D(c))
3740 			strlcat(buf, " vht/40-", bsize);
3741 		else if (IEEE80211_IS_CHAN_VHT40U(c))
3742 			strlcat(buf, " vht/40+", bsize);
3743 		else if (IEEE80211_IS_CHAN_VHT20(c))
3744 			strlcat(buf, " vht/20", bsize);
3745 		else if (IEEE80211_IS_CHAN_HT20(c))
3746 			strlcat(buf, " ht/20", bsize);
3747 		else if (IEEE80211_IS_CHAN_HT40D(c))
3748 			strlcat(buf, " ht/40-", bsize);
3749 		else if (IEEE80211_IS_CHAN_HT40U(c))
3750 			strlcat(buf, " ht/40+", bsize);
3751 	} else {
3752 		if (IEEE80211_IS_CHAN_VHT(c))
3753 			strlcat(buf, " vht", bsize);
3754 		else if (IEEE80211_IS_CHAN_HT(c))
3755 			strlcat(buf, " ht", bsize);
3756 	}
3757 	return buf;
3758 }
3759 
3760 static void
3761 print_chaninfo(const struct ieee80211_channel *c, int verb)
3762 {
3763 	char buf[14];
3764 
3765 	if (verb)
3766 		printf("Channel %3u : %u%c%c%c%c%c MHz%-14.14s",
3767 		    ieee80211_mhz2ieee(c->ic_freq, c->ic_flags), c->ic_freq,
3768 		    IEEE80211_IS_CHAN_PASSIVE(c) ? '*' : ' ',
3769 		    IEEE80211_IS_CHAN_DFS(c) ? 'D' : ' ',
3770 		    IEEE80211_IS_CHAN_RADAR(c) ? 'R' : ' ',
3771 		    IEEE80211_IS_CHAN_CWINT(c) ? 'I' : ' ',
3772 		    IEEE80211_IS_CHAN_CACDONE(c) ? 'C' : ' ',
3773 		    get_chaninfo(c, verb, buf, sizeof(buf)));
3774 	else
3775 	printf("Channel %3u : %u%c MHz%-14.14s",
3776 	    ieee80211_mhz2ieee(c->ic_freq, c->ic_flags), c->ic_freq,
3777 	    IEEE80211_IS_CHAN_PASSIVE(c) ? '*' : ' ',
3778 	    get_chaninfo(c, verb, buf, sizeof(buf)));
3779 
3780 }
3781 
3782 static int
3783 chanpref(const struct ieee80211_channel *c)
3784 {
3785 	if (IEEE80211_IS_CHAN_VHT160(c))
3786 		return 80;
3787 	if (IEEE80211_IS_CHAN_VHT80_80(c))
3788 		return 75;
3789 	if (IEEE80211_IS_CHAN_VHT80(c))
3790 		return 70;
3791 	if (IEEE80211_IS_CHAN_VHT40(c))
3792 		return 60;
3793 	if (IEEE80211_IS_CHAN_VHT20(c))
3794 		return 50;
3795 	if (IEEE80211_IS_CHAN_HT40(c))
3796 		return 40;
3797 	if (IEEE80211_IS_CHAN_HT20(c))
3798 		return 30;
3799 	if (IEEE80211_IS_CHAN_HALF(c))
3800 		return 10;
3801 	if (IEEE80211_IS_CHAN_QUARTER(c))
3802 		return 5;
3803 	if (IEEE80211_IS_CHAN_TURBO(c))
3804 		return 25;
3805 	if (IEEE80211_IS_CHAN_A(c))
3806 		return 20;
3807 	if (IEEE80211_IS_CHAN_G(c))
3808 		return 20;
3809 	if (IEEE80211_IS_CHAN_B(c))
3810 		return 15;
3811 	if (IEEE80211_IS_CHAN_PUREG(c))
3812 		return 15;
3813 	return 0;
3814 }
3815 
3816 static void
3817 print_channels(int s, const struct ieee80211req_chaninfo *chans,
3818 	int allchans, int verb)
3819 {
3820 	struct ieee80211req_chaninfo *achans;
3821 	uint8_t reported[IEEE80211_CHAN_BYTES];
3822 	const struct ieee80211_channel *c;
3823 	int i, half;
3824 
3825 	achans = malloc(IEEE80211_CHANINFO_SPACE(chans));
3826 	if (achans == NULL)
3827 		errx(1, "no space for active channel list");
3828 	achans->ic_nchans = 0;
3829 	memset(reported, 0, sizeof(reported));
3830 	if (!allchans) {
3831 		struct ieee80211req_chanlist active;
3832 
3833 		if (get80211(s, IEEE80211_IOC_CHANLIST, &active, sizeof(active)) < 0)
3834 			errx(1, "unable to get active channel list");
3835 		for (i = 0; i < chans->ic_nchans; i++) {
3836 			c = &chans->ic_chans[i];
3837 			if (!isset(active.ic_channels, c->ic_ieee))
3838 				continue;
3839 			/*
3840 			 * Suppress compatible duplicates unless
3841 			 * verbose.  The kernel gives us it's
3842 			 * complete channel list which has separate
3843 			 * entries for 11g/11b and 11a/turbo.
3844 			 */
3845 			if (isset(reported, c->ic_ieee) && !verb) {
3846 				/* XXX we assume duplicates are adjacent */
3847 				achans->ic_chans[achans->ic_nchans-1] = *c;
3848 			} else {
3849 				achans->ic_chans[achans->ic_nchans++] = *c;
3850 				setbit(reported, c->ic_ieee);
3851 			}
3852 		}
3853 	} else {
3854 		for (i = 0; i < chans->ic_nchans; i++) {
3855 			c = &chans->ic_chans[i];
3856 			/* suppress duplicates as above */
3857 			if (isset(reported, c->ic_ieee) && !verb) {
3858 				/* XXX we assume duplicates are adjacent */
3859 				struct ieee80211_channel *a =
3860 				    &achans->ic_chans[achans->ic_nchans-1];
3861 				if (chanpref(c) > chanpref(a))
3862 					*a = *c;
3863 			} else {
3864 				achans->ic_chans[achans->ic_nchans++] = *c;
3865 				setbit(reported, c->ic_ieee);
3866 			}
3867 		}
3868 	}
3869 	half = achans->ic_nchans / 2;
3870 	if (achans->ic_nchans % 2)
3871 		half++;
3872 
3873 	for (i = 0; i < achans->ic_nchans / 2; i++) {
3874 		print_chaninfo(&achans->ic_chans[i], verb);
3875 		print_chaninfo(&achans->ic_chans[half+i], verb);
3876 		printf("\n");
3877 	}
3878 	if (achans->ic_nchans % 2) {
3879 		print_chaninfo(&achans->ic_chans[i], verb);
3880 		printf("\n");
3881 	}
3882 	free(achans);
3883 }
3884 
3885 static void
3886 list_channels(int s, int allchans)
3887 {
3888 	getchaninfo(s);
3889 	print_channels(s, chaninfo, allchans, verbose);
3890 }
3891 
3892 static void
3893 print_txpow(const struct ieee80211_channel *c)
3894 {
3895 	printf("Channel %3u : %u MHz %3.1f reg %2d  ",
3896 	    c->ic_ieee, c->ic_freq,
3897 	    c->ic_maxpower/2., c->ic_maxregpower);
3898 }
3899 
3900 static void
3901 print_txpow_verbose(const struct ieee80211_channel *c)
3902 {
3903 	print_chaninfo(c, 1);
3904 	printf("min %4.1f dBm  max %3.1f dBm  reg %2d dBm",
3905 	    c->ic_minpower/2., c->ic_maxpower/2., c->ic_maxregpower);
3906 	/* indicate where regulatory cap limits power use */
3907 	if (c->ic_maxpower > 2*c->ic_maxregpower)
3908 		printf(" <");
3909 }
3910 
3911 static void
3912 list_txpow(int s)
3913 {
3914 	struct ieee80211req_chaninfo *achans;
3915 	uint8_t reported[IEEE80211_CHAN_BYTES];
3916 	struct ieee80211_channel *c, *prev;
3917 	int i, half;
3918 
3919 	getchaninfo(s);
3920 	achans = malloc(IEEE80211_CHANINFO_SPACE(chaninfo));
3921 	if (achans == NULL)
3922 		errx(1, "no space for active channel list");
3923 	achans->ic_nchans = 0;
3924 	memset(reported, 0, sizeof(reported));
3925 	for (i = 0; i < chaninfo->ic_nchans; i++) {
3926 		c = &chaninfo->ic_chans[i];
3927 		/* suppress duplicates as above */
3928 		if (isset(reported, c->ic_ieee) && !verbose) {
3929 			/* XXX we assume duplicates are adjacent */
3930 			assert(achans->ic_nchans > 0);
3931 			prev = &achans->ic_chans[achans->ic_nchans-1];
3932 			/* display highest power on channel */
3933 			if (c->ic_maxpower > prev->ic_maxpower)
3934 				*prev = *c;
3935 		} else {
3936 			achans->ic_chans[achans->ic_nchans++] = *c;
3937 			setbit(reported, c->ic_ieee);
3938 		}
3939 	}
3940 	if (!verbose) {
3941 		half = achans->ic_nchans / 2;
3942 		if (achans->ic_nchans % 2)
3943 			half++;
3944 
3945 		for (i = 0; i < achans->ic_nchans / 2; i++) {
3946 			print_txpow(&achans->ic_chans[i]);
3947 			print_txpow(&achans->ic_chans[half+i]);
3948 			printf("\n");
3949 		}
3950 		if (achans->ic_nchans % 2) {
3951 			print_txpow(&achans->ic_chans[i]);
3952 			printf("\n");
3953 		}
3954 	} else {
3955 		for (i = 0; i < achans->ic_nchans; i++) {
3956 			print_txpow_verbose(&achans->ic_chans[i]);
3957 			printf("\n");
3958 		}
3959 	}
3960 	free(achans);
3961 }
3962 
3963 static void
3964 list_keys(int s)
3965 {
3966 }
3967 
3968 static void
3969 list_capabilities(int s)
3970 {
3971 	struct ieee80211_devcaps_req *dc;
3972 
3973 	if (verbose)
3974 		dc = malloc(IEEE80211_DEVCAPS_SIZE(MAXCHAN));
3975 	else
3976 		dc = malloc(IEEE80211_DEVCAPS_SIZE(1));
3977 	if (dc == NULL)
3978 		errx(1, "no space for device capabilities");
3979 	dc->dc_chaninfo.ic_nchans = verbose ? MAXCHAN : 1;
3980 	getdevcaps(s, dc);
3981 	printb("drivercaps", dc->dc_drivercaps, IEEE80211_C_BITS);
3982 	if (dc->dc_cryptocaps != 0 || verbose) {
3983 		putchar('\n');
3984 		printb("cryptocaps", dc->dc_cryptocaps, IEEE80211_CRYPTO_BITS);
3985 	}
3986 	if (dc->dc_htcaps != 0 || verbose) {
3987 		putchar('\n');
3988 		printb("htcaps", dc->dc_htcaps, IEEE80211_HTCAP_BITS);
3989 	}
3990 	if (dc->dc_vhtcaps != 0 || verbose) {
3991 		putchar('\n');
3992 		printb("vhtcaps", dc->dc_vhtcaps, IEEE80211_VHTCAP_BITS);
3993 	}
3994 
3995 	putchar('\n');
3996 	if (verbose) {
3997 		chaninfo = &dc->dc_chaninfo;	/* XXX */
3998 		print_channels(s, &dc->dc_chaninfo, 1/*allchans*/, verbose);
3999 	}
4000 	free(dc);
4001 }
4002 
4003 static int
4004 get80211wme(int s, int param, int ac, int *val)
4005 {
4006 	struct ieee80211req ireq;
4007 
4008 	(void) memset(&ireq, 0, sizeof(ireq));
4009 	(void) strlcpy(ireq.i_name, name, sizeof(ireq.i_name));
4010 	ireq.i_type = param;
4011 	ireq.i_len = ac;
4012 	if (ioctl(s, SIOCG80211, &ireq) < 0) {
4013 		warn("cannot get WME parameter %d, ac %d%s",
4014 		    param, ac & IEEE80211_WMEPARAM_VAL,
4015 		    ac & IEEE80211_WMEPARAM_BSS ? " (BSS)" : "");
4016 		return -1;
4017 	}
4018 	*val = ireq.i_val;
4019 	return 0;
4020 }
4021 
4022 static void
4023 list_wme_aci(int s, const char *tag, int ac)
4024 {
4025 	int val;
4026 
4027 	printf("\t%s", tag);
4028 
4029 	/* show WME BSS parameters */
4030 	if (get80211wme(s, IEEE80211_IOC_WME_CWMIN, ac, &val) != -1)
4031 		printf(" cwmin %2u", val);
4032 	if (get80211wme(s, IEEE80211_IOC_WME_CWMAX, ac, &val) != -1)
4033 		printf(" cwmax %2u", val);
4034 	if (get80211wme(s, IEEE80211_IOC_WME_AIFS, ac, &val) != -1)
4035 		printf(" aifs %2u", val);
4036 	if (get80211wme(s, IEEE80211_IOC_WME_TXOPLIMIT, ac, &val) != -1)
4037 		printf(" txopLimit %3u", val);
4038 	if (get80211wme(s, IEEE80211_IOC_WME_ACM, ac, &val) != -1) {
4039 		if (val)
4040 			printf(" acm");
4041 		else if (verbose)
4042 			printf(" -acm");
4043 	}
4044 	/* !BSS only */
4045 	if ((ac & IEEE80211_WMEPARAM_BSS) == 0) {
4046 		if (get80211wme(s, IEEE80211_IOC_WME_ACKPOLICY, ac, &val) != -1) {
4047 			if (!val)
4048 				printf(" -ack");
4049 			else if (verbose)
4050 				printf(" ack");
4051 		}
4052 	}
4053 	printf("\n");
4054 }
4055 
4056 static void
4057 list_wme(int s)
4058 {
4059 	static const char *acnames[] = { "AC_BE", "AC_BK", "AC_VI", "AC_VO" };
4060 	int ac;
4061 
4062 	if (verbose) {
4063 		/* display both BSS and local settings */
4064 		for (ac = WME_AC_BE; ac <= WME_AC_VO; ac++) {
4065 	again:
4066 			if (ac & IEEE80211_WMEPARAM_BSS)
4067 				list_wme_aci(s, "     ", ac);
4068 			else
4069 				list_wme_aci(s, acnames[ac], ac);
4070 			if ((ac & IEEE80211_WMEPARAM_BSS) == 0) {
4071 				ac |= IEEE80211_WMEPARAM_BSS;
4072 				goto again;
4073 			} else
4074 				ac &= ~IEEE80211_WMEPARAM_BSS;
4075 		}
4076 	} else {
4077 		/* display only channel settings */
4078 		for (ac = WME_AC_BE; ac <= WME_AC_VO; ac++)
4079 			list_wme_aci(s, acnames[ac], ac);
4080 	}
4081 }
4082 
4083 static void
4084 list_roam(int s)
4085 {
4086 	const struct ieee80211_roamparam *rp;
4087 	int mode;
4088 
4089 	getroam(s);
4090 	for (mode = IEEE80211_MODE_11A; mode < IEEE80211_MODE_MAX; mode++) {
4091 		rp = &roamparams.params[mode];
4092 		if (rp->rssi == 0 && rp->rate == 0)
4093 			continue;
4094 		if (mode == IEEE80211_MODE_11NA || mode == IEEE80211_MODE_11NG) {
4095 			if (rp->rssi & 1)
4096 				LINE_CHECK("roam:%-7.7s rssi %2u.5dBm  MCS %2u    ",
4097 				    modename[mode], rp->rssi/2,
4098 				    rp->rate &~ IEEE80211_RATE_MCS);
4099 			else
4100 				LINE_CHECK("roam:%-7.7s rssi %4udBm  MCS %2u    ",
4101 				    modename[mode], rp->rssi/2,
4102 				    rp->rate &~ IEEE80211_RATE_MCS);
4103 		} else {
4104 			if (rp->rssi & 1)
4105 				LINE_CHECK("roam:%-7.7s rssi %2u.5dBm rate %2u Mb/s",
4106 				    modename[mode], rp->rssi/2, rp->rate/2);
4107 			else
4108 				LINE_CHECK("roam:%-7.7s rssi %4udBm rate %2u Mb/s",
4109 				    modename[mode], rp->rssi/2, rp->rate/2);
4110 		}
4111 	}
4112 }
4113 
4114 static void
4115 list_txparams(int s)
4116 {
4117 	const struct ieee80211_txparam *tp;
4118 	int mode;
4119 
4120 	gettxparams(s);
4121 	for (mode = IEEE80211_MODE_11A; mode < IEEE80211_MODE_MAX; mode++) {
4122 		tp = &txparams.params[mode];
4123 		if (tp->mgmtrate == 0 && tp->mcastrate == 0)
4124 			continue;
4125 		if (mode == IEEE80211_MODE_11NA || mode == IEEE80211_MODE_11NG) {
4126 			if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE)
4127 				LINE_CHECK("%-7.7s ucast NONE    mgmt %2u MCS  "
4128 				    "mcast %2u MCS  maxretry %u",
4129 				    modename[mode],
4130 				    tp->mgmtrate &~ IEEE80211_RATE_MCS,
4131 				    tp->mcastrate &~ IEEE80211_RATE_MCS,
4132 				    tp->maxretry);
4133 			else
4134 				LINE_CHECK("%-7.7s ucast %2u MCS  mgmt %2u MCS  "
4135 				    "mcast %2u MCS  maxretry %u",
4136 				    modename[mode],
4137 				    tp->ucastrate &~ IEEE80211_RATE_MCS,
4138 				    tp->mgmtrate &~ IEEE80211_RATE_MCS,
4139 				    tp->mcastrate &~ IEEE80211_RATE_MCS,
4140 				    tp->maxretry);
4141 		} else {
4142 			if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE)
4143 				LINE_CHECK("%-7.7s ucast NONE    mgmt %2u Mb/s "
4144 				    "mcast %2u Mb/s maxretry %u",
4145 				    modename[mode],
4146 				    tp->mgmtrate/2,
4147 				    tp->mcastrate/2, tp->maxretry);
4148 			else
4149 				LINE_CHECK("%-7.7s ucast %2u Mb/s mgmt %2u Mb/s "
4150 				    "mcast %2u Mb/s maxretry %u",
4151 				    modename[mode],
4152 				    tp->ucastrate/2, tp->mgmtrate/2,
4153 				    tp->mcastrate/2, tp->maxretry);
4154 		}
4155 	}
4156 }
4157 
4158 static void
4159 printpolicy(int policy)
4160 {
4161 	switch (policy) {
4162 	case IEEE80211_MACCMD_POLICY_OPEN:
4163 		printf("policy: open\n");
4164 		break;
4165 	case IEEE80211_MACCMD_POLICY_ALLOW:
4166 		printf("policy: allow\n");
4167 		break;
4168 	case IEEE80211_MACCMD_POLICY_DENY:
4169 		printf("policy: deny\n");
4170 		break;
4171 	case IEEE80211_MACCMD_POLICY_RADIUS:
4172 		printf("policy: radius\n");
4173 		break;
4174 	default:
4175 		printf("policy: unknown (%u)\n", policy);
4176 		break;
4177 	}
4178 }
4179 
4180 static void
4181 list_mac(int s)
4182 {
4183 	struct ieee80211req ireq;
4184 	struct ieee80211req_maclist *acllist;
4185 	int i, nacls, policy, len;
4186 	uint8_t *data;
4187 	char c;
4188 
4189 	(void) memset(&ireq, 0, sizeof(ireq));
4190 	(void) strlcpy(ireq.i_name, name, sizeof(ireq.i_name)); /* XXX ?? */
4191 	ireq.i_type = IEEE80211_IOC_MACCMD;
4192 	ireq.i_val = IEEE80211_MACCMD_POLICY;
4193 	if (ioctl(s, SIOCG80211, &ireq) < 0) {
4194 		if (errno == EINVAL) {
4195 			printf("No acl policy loaded\n");
4196 			return;
4197 		}
4198 		err(1, "unable to get mac policy");
4199 	}
4200 	policy = ireq.i_val;
4201 	if (policy == IEEE80211_MACCMD_POLICY_OPEN) {
4202 		c = '*';
4203 	} else if (policy == IEEE80211_MACCMD_POLICY_ALLOW) {
4204 		c = '+';
4205 	} else if (policy == IEEE80211_MACCMD_POLICY_DENY) {
4206 		c = '-';
4207 	} else if (policy == IEEE80211_MACCMD_POLICY_RADIUS) {
4208 		c = 'r';		/* NB: should never have entries */
4209 	} else {
4210 		printf("policy: unknown (%u)\n", policy);
4211 		c = '?';
4212 	}
4213 	if (verbose || c == '?')
4214 		printpolicy(policy);
4215 
4216 	ireq.i_val = IEEE80211_MACCMD_LIST;
4217 	ireq.i_len = 0;
4218 	if (ioctl(s, SIOCG80211, &ireq) < 0)
4219 		err(1, "unable to get mac acl list size");
4220 	if (ireq.i_len == 0) {		/* NB: no acls */
4221 		if (!(verbose || c == '?'))
4222 			printpolicy(policy);
4223 		return;
4224 	}
4225 	len = ireq.i_len;
4226 
4227 	data = malloc(len);
4228 	if (data == NULL)
4229 		err(1, "out of memory for acl list");
4230 
4231 	ireq.i_data = data;
4232 	if (ioctl(s, SIOCG80211, &ireq) < 0)
4233 		err(1, "unable to get mac acl list");
4234 	nacls = len / sizeof(*acllist);
4235 	acllist = (struct ieee80211req_maclist *) data;
4236 	for (i = 0; i < nacls; i++)
4237 		printf("%c%s\n", c, ether_ntoa(
4238 			(const struct ether_addr *) acllist[i].ml_macaddr));
4239 	free(data);
4240 }
4241 
4242 static void
4243 print_regdomain(const struct ieee80211_regdomain *reg, int verb)
4244 {
4245 	if ((reg->regdomain != 0 &&
4246 	    reg->regdomain != reg->country) || verb) {
4247 		const struct regdomain *rd =
4248 		    lib80211_regdomain_findbysku(getregdata(), reg->regdomain);
4249 		if (rd == NULL)
4250 			LINE_CHECK("regdomain %d", reg->regdomain);
4251 		else
4252 			LINE_CHECK("regdomain %s", rd->name);
4253 	}
4254 	if (reg->country != 0 || verb) {
4255 		const struct country *cc =
4256 		    lib80211_country_findbycc(getregdata(), reg->country);
4257 		if (cc == NULL)
4258 			LINE_CHECK("country %d", reg->country);
4259 		else
4260 			LINE_CHECK("country %s", cc->isoname);
4261 	}
4262 	if (reg->location == 'I')
4263 		LINE_CHECK("indoor");
4264 	else if (reg->location == 'O')
4265 		LINE_CHECK("outdoor");
4266 	else if (verb)
4267 		LINE_CHECK("anywhere");
4268 	if (reg->ecm)
4269 		LINE_CHECK("ecm");
4270 	else if (verb)
4271 		LINE_CHECK("-ecm");
4272 }
4273 
4274 static void
4275 list_regdomain(int s, int channelsalso)
4276 {
4277 	getregdomain(s);
4278 	if (channelsalso) {
4279 		getchaninfo(s);
4280 		spacer = ':';
4281 		print_regdomain(&regdomain, 1);
4282 		LINE_BREAK();
4283 		print_channels(s, chaninfo, 1/*allchans*/, 1/*verbose*/);
4284 	} else
4285 		print_regdomain(&regdomain, verbose);
4286 }
4287 
4288 static void
4289 list_mesh(int s)
4290 {
4291 	struct ieee80211req ireq;
4292 	struct ieee80211req_mesh_route routes[128];
4293 	struct ieee80211req_mesh_route *rt;
4294 
4295 	(void) memset(&ireq, 0, sizeof(ireq));
4296 	(void) strlcpy(ireq.i_name, name, sizeof(ireq.i_name));
4297 	ireq.i_type = IEEE80211_IOC_MESH_RTCMD;
4298 	ireq.i_val = IEEE80211_MESH_RTCMD_LIST;
4299 	ireq.i_data = &routes;
4300 	ireq.i_len = sizeof(routes);
4301 	if (ioctl(s, SIOCG80211, &ireq) < 0)
4302 	 	err(1, "unable to get the Mesh routing table");
4303 
4304 	printf("%-17.17s %-17.17s %4s %4s %4s %6s %s\n"
4305 		, "DEST"
4306 		, "NEXT HOP"
4307 		, "HOPS"
4308 		, "METRIC"
4309 		, "LIFETIME"
4310 		, "MSEQ"
4311 		, "FLAGS");
4312 
4313 	for (rt = &routes[0]; rt - &routes[0] < ireq.i_len / sizeof(*rt); rt++){
4314 		printf("%s ",
4315 		    ether_ntoa((const struct ether_addr *)rt->imr_dest));
4316 		printf("%s %4u   %4u   %6u %6u    %c%c\n",
4317 			ether_ntoa((const struct ether_addr *)rt->imr_nexthop),
4318 			rt->imr_nhops, rt->imr_metric, rt->imr_lifetime,
4319 			rt->imr_lastmseq,
4320 			(rt->imr_flags & IEEE80211_MESHRT_FLAGS_DISCOVER) ?
4321 			    'D' :
4322 			(rt->imr_flags & IEEE80211_MESHRT_FLAGS_VALID) ?
4323 			    'V' : '!',
4324 			(rt->imr_flags & IEEE80211_MESHRT_FLAGS_PROXY) ?
4325 			    'P' :
4326 			(rt->imr_flags & IEEE80211_MESHRT_FLAGS_GATE) ?
4327 			    'G' :' ');
4328 	}
4329 }
4330 
4331 static
4332 DECL_CMD_FUNC(set80211list, arg, d)
4333 {
4334 #define	iseq(a,b)	(strncasecmp(a,b,sizeof(b)-1) == 0)
4335 
4336 	LINE_INIT('\t');
4337 
4338 	if (iseq(arg, "sta"))
4339 		list_stations(s);
4340 	else if (iseq(arg, "scan") || iseq(arg, "ap"))
4341 		list_scan(s);
4342 	else if (iseq(arg, "chan") || iseq(arg, "freq"))
4343 		list_channels(s, 1);
4344 	else if (iseq(arg, "active"))
4345 		list_channels(s, 0);
4346 	else if (iseq(arg, "keys"))
4347 		list_keys(s);
4348 	else if (iseq(arg, "caps"))
4349 		list_capabilities(s);
4350 	else if (iseq(arg, "wme") || iseq(arg, "wmm"))
4351 		list_wme(s);
4352 	else if (iseq(arg, "mac"))
4353 		list_mac(s);
4354 	else if (iseq(arg, "txpow"))
4355 		list_txpow(s);
4356 	else if (iseq(arg, "roam"))
4357 		list_roam(s);
4358 	else if (iseq(arg, "txparam") || iseq(arg, "txparm"))
4359 		list_txparams(s);
4360 	else if (iseq(arg, "regdomain"))
4361 		list_regdomain(s, 1);
4362 	else if (iseq(arg, "countries"))
4363 		list_countries();
4364 	else if (iseq(arg, "mesh"))
4365 		list_mesh(s);
4366 	else
4367 		errx(1, "Don't know how to list %s for %s", arg, name);
4368 	LINE_BREAK();
4369 #undef iseq
4370 }
4371 
4372 static enum ieee80211_opmode
4373 get80211opmode(int s)
4374 {
4375 	struct ifmediareq ifmr;
4376 
4377 	(void) memset(&ifmr, 0, sizeof(ifmr));
4378 	(void) strlcpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));
4379 
4380 	if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) >= 0) {
4381 		if (ifmr.ifm_current & IFM_IEEE80211_ADHOC) {
4382 			if (ifmr.ifm_current & IFM_FLAG0)
4383 				return IEEE80211_M_AHDEMO;
4384 			else
4385 				return IEEE80211_M_IBSS;
4386 		}
4387 		if (ifmr.ifm_current & IFM_IEEE80211_HOSTAP)
4388 			return IEEE80211_M_HOSTAP;
4389 		if (ifmr.ifm_current & IFM_IEEE80211_IBSS)
4390 			return IEEE80211_M_IBSS;
4391 		if (ifmr.ifm_current & IFM_IEEE80211_MONITOR)
4392 			return IEEE80211_M_MONITOR;
4393 		if (ifmr.ifm_current & IFM_IEEE80211_MBSS)
4394 			return IEEE80211_M_MBSS;
4395 	}
4396 	return IEEE80211_M_STA;
4397 }
4398 
4399 #if 0
4400 static void
4401 printcipher(int s, struct ieee80211req *ireq, int keylenop)
4402 {
4403 	switch (ireq->i_val) {
4404 	case IEEE80211_CIPHER_WEP:
4405 		ireq->i_type = keylenop;
4406 		if (ioctl(s, SIOCG80211, ireq) != -1)
4407 			printf("WEP-%s",
4408 			    ireq->i_len <= 5 ? "40" :
4409 			    ireq->i_len <= 13 ? "104" : "128");
4410 		else
4411 			printf("WEP");
4412 		break;
4413 	case IEEE80211_CIPHER_TKIP:
4414 		printf("TKIP");
4415 		break;
4416 	case IEEE80211_CIPHER_AES_OCB:
4417 		printf("AES-OCB");
4418 		break;
4419 	case IEEE80211_CIPHER_AES_CCM:
4420 		printf("AES-CCM");
4421 		break;
4422 	case IEEE80211_CIPHER_CKIP:
4423 		printf("CKIP");
4424 		break;
4425 	case IEEE80211_CIPHER_NONE:
4426 		printf("NONE");
4427 		break;
4428 	default:
4429 		printf("UNKNOWN (0x%x)", ireq->i_val);
4430 		break;
4431 	}
4432 }
4433 #endif
4434 
4435 static void
4436 printkey(const struct ieee80211req_key *ik)
4437 {
4438 	static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
4439 	u_int keylen = ik->ik_keylen;
4440 	int printcontents;
4441 
4442 	printcontents = printkeys &&
4443 		(memcmp(ik->ik_keydata, zerodata, keylen) != 0 || verbose);
4444 	if (printcontents)
4445 		LINE_BREAK();
4446 	switch (ik->ik_type) {
4447 	case IEEE80211_CIPHER_WEP:
4448 		/* compatibility */
4449 		LINE_CHECK("wepkey %u:%s", ik->ik_keyix+1,
4450 		    keylen <= 5 ? "40-bit" :
4451 		    keylen <= 13 ? "104-bit" : "128-bit");
4452 		break;
4453 	case IEEE80211_CIPHER_TKIP:
4454 		if (keylen > 128/8)
4455 			keylen -= 128/8;	/* ignore MIC for now */
4456 		LINE_CHECK("TKIP %u:%u-bit", ik->ik_keyix+1, 8*keylen);
4457 		break;
4458 	case IEEE80211_CIPHER_AES_OCB:
4459 		LINE_CHECK("AES-OCB %u:%u-bit", ik->ik_keyix+1, 8*keylen);
4460 		break;
4461 	case IEEE80211_CIPHER_AES_CCM:
4462 		LINE_CHECK("AES-CCM %u:%u-bit", ik->ik_keyix+1, 8*keylen);
4463 		break;
4464 	case IEEE80211_CIPHER_CKIP:
4465 		LINE_CHECK("CKIP %u:%u-bit", ik->ik_keyix+1, 8*keylen);
4466 		break;
4467 	case IEEE80211_CIPHER_NONE:
4468 		LINE_CHECK("NULL %u:%u-bit", ik->ik_keyix+1, 8*keylen);
4469 		break;
4470 	default:
4471 		LINE_CHECK("UNKNOWN (0x%x) %u:%u-bit",
4472 			ik->ik_type, ik->ik_keyix+1, 8*keylen);
4473 		break;
4474 	}
4475 	if (printcontents) {
4476 		u_int i;
4477 
4478 		printf(" <");
4479 		for (i = 0; i < keylen; i++)
4480 			printf("%02x", ik->ik_keydata[i]);
4481 		printf(">");
4482 		if (ik->ik_type != IEEE80211_CIPHER_WEP &&
4483 		    (ik->ik_keyrsc != 0 || verbose))
4484 			printf(" rsc %ju", (uintmax_t)ik->ik_keyrsc);
4485 		if (ik->ik_type != IEEE80211_CIPHER_WEP &&
4486 		    (ik->ik_keytsc != 0 || verbose))
4487 			printf(" tsc %ju", (uintmax_t)ik->ik_keytsc);
4488 		if (ik->ik_flags != 0 && verbose) {
4489 			const char *sep = " ";
4490 
4491 			if (ik->ik_flags & IEEE80211_KEY_XMIT)
4492 				printf("%stx", sep), sep = "+";
4493 			if (ik->ik_flags & IEEE80211_KEY_RECV)
4494 				printf("%srx", sep), sep = "+";
4495 			if (ik->ik_flags & IEEE80211_KEY_DEFAULT)
4496 				printf("%sdef", sep), sep = "+";
4497 		}
4498 		LINE_BREAK();
4499 	}
4500 }
4501 
4502 static void
4503 printrate(const char *tag, int v, int defrate, int defmcs)
4504 {
4505 	if ((v & IEEE80211_RATE_MCS) == 0) {
4506 		if (v != defrate) {
4507 			if (v & 1)
4508 				LINE_CHECK("%s %d.5", tag, v/2);
4509 			else
4510 				LINE_CHECK("%s %d", tag, v/2);
4511 		}
4512 	} else {
4513 		if (v != defmcs)
4514 			LINE_CHECK("%s %d", tag, v &~ 0x80);
4515 	}
4516 }
4517 
4518 static int
4519 getid(int s, int ix, void *data, size_t len, int *plen, int mesh)
4520 {
4521 	struct ieee80211req ireq;
4522 
4523 	(void) memset(&ireq, 0, sizeof(ireq));
4524 	(void) strlcpy(ireq.i_name, name, sizeof(ireq.i_name));
4525 	ireq.i_type = (!mesh) ? IEEE80211_IOC_SSID : IEEE80211_IOC_MESH_ID;
4526 	ireq.i_val = ix;
4527 	ireq.i_data = data;
4528 	ireq.i_len = len;
4529 	if (ioctl(s, SIOCG80211, &ireq) < 0)
4530 		return -1;
4531 	*plen = ireq.i_len;
4532 	return 0;
4533 }
4534 
4535 static void
4536 ieee80211_status(int s)
4537 {
4538 	static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
4539 	enum ieee80211_opmode opmode = get80211opmode(s);
4540 	int i, num, wpa, wme, bgscan, bgscaninterval, val, len, wepmode;
4541 	uint8_t data[32];
4542 	const struct ieee80211_channel *c;
4543 	const struct ieee80211_roamparam *rp;
4544 	const struct ieee80211_txparam *tp;
4545 
4546 	if (getid(s, -1, data, sizeof(data), &len, 0) < 0) {
4547 		/* If we can't get the SSID, this isn't an 802.11 device. */
4548 		return;
4549 	}
4550 
4551 	/*
4552 	 * Invalidate cached state so printing status for multiple
4553 	 * if's doesn't reuse the first interfaces' cached state.
4554 	 */
4555 	gotcurchan = 0;
4556 	gotroam = 0;
4557 	gottxparams = 0;
4558 	gothtconf = 0;
4559 	gotregdomain = 0;
4560 
4561 	printf("\t");
4562 	if (opmode == IEEE80211_M_MBSS) {
4563 		printf("meshid ");
4564 		getid(s, 0, data, sizeof(data), &len, 1);
4565 		print_string(data, len);
4566 	} else {
4567 		if (get80211val(s, IEEE80211_IOC_NUMSSIDS, &num) < 0)
4568 			num = 0;
4569 		printf("ssid ");
4570 		if (num > 1) {
4571 			for (i = 0; i < num; i++) {
4572 				if (getid(s, i, data, sizeof(data), &len, 0) >= 0 && len > 0) {
4573 					printf(" %d:", i + 1);
4574 					print_string(data, len);
4575 				}
4576 			}
4577 		} else
4578 			print_string(data, len);
4579 	}
4580 	c = getcurchan(s);
4581 	if (c->ic_freq != IEEE80211_CHAN_ANY) {
4582 		char buf[14];
4583 		printf(" channel %d (%u MHz%s)", c->ic_ieee, c->ic_freq,
4584 			get_chaninfo(c, 1, buf, sizeof(buf)));
4585 	} else if (verbose)
4586 		printf(" channel UNDEF");
4587 
4588 	if (get80211(s, IEEE80211_IOC_BSSID, data, IEEE80211_ADDR_LEN) >= 0 &&
4589 	    (memcmp(data, zerobssid, sizeof(zerobssid)) != 0 || verbose))
4590 		printf(" bssid %s", ether_ntoa((struct ether_addr *)data));
4591 
4592 	if (get80211len(s, IEEE80211_IOC_STATIONNAME, data, sizeof(data), &len) != -1) {
4593 		printf("\n\tstationname ");
4594 		print_string(data, len);
4595 	}
4596 
4597 	spacer = ' ';		/* force first break */
4598 	LINE_BREAK();
4599 
4600 	list_regdomain(s, 0);
4601 
4602 	wpa = 0;
4603 	if (get80211val(s, IEEE80211_IOC_AUTHMODE, &val) != -1) {
4604 		switch (val) {
4605 		case IEEE80211_AUTH_NONE:
4606 			LINE_CHECK("authmode NONE");
4607 			break;
4608 		case IEEE80211_AUTH_OPEN:
4609 			LINE_CHECK("authmode OPEN");
4610 			break;
4611 		case IEEE80211_AUTH_SHARED:
4612 			LINE_CHECK("authmode SHARED");
4613 			break;
4614 		case IEEE80211_AUTH_8021X:
4615 			LINE_CHECK("authmode 802.1x");
4616 			break;
4617 		case IEEE80211_AUTH_WPA:
4618 			if (get80211val(s, IEEE80211_IOC_WPA, &wpa) < 0)
4619 				wpa = 1;	/* default to WPA1 */
4620 			switch (wpa) {
4621 			case 2:
4622 				LINE_CHECK("authmode WPA2/802.11i");
4623 				break;
4624 			case 3:
4625 				LINE_CHECK("authmode WPA1+WPA2/802.11i");
4626 				break;
4627 			default:
4628 				LINE_CHECK("authmode WPA");
4629 				break;
4630 			}
4631 			break;
4632 		case IEEE80211_AUTH_AUTO:
4633 			LINE_CHECK("authmode AUTO");
4634 			break;
4635 		default:
4636 			LINE_CHECK("authmode UNKNOWN (0x%x)", val);
4637 			break;
4638 		}
4639 	}
4640 
4641 	if (wpa || verbose) {
4642 		if (get80211val(s, IEEE80211_IOC_WPS, &val) != -1) {
4643 			if (val)
4644 				LINE_CHECK("wps");
4645 			else if (verbose)
4646 				LINE_CHECK("-wps");
4647 		}
4648 		if (get80211val(s, IEEE80211_IOC_TSN, &val) != -1) {
4649 			if (val)
4650 				LINE_CHECK("tsn");
4651 			else if (verbose)
4652 				LINE_CHECK("-tsn");
4653 		}
4654 		if (ioctl(s, IEEE80211_IOC_COUNTERMEASURES, &val) != -1) {
4655 			if (val)
4656 				LINE_CHECK("countermeasures");
4657 			else if (verbose)
4658 				LINE_CHECK("-countermeasures");
4659 		}
4660 #if 0
4661 		/* XXX not interesting with WPA done in user space */
4662 		ireq.i_type = IEEE80211_IOC_KEYMGTALGS;
4663 		if (ioctl(s, SIOCG80211, &ireq) != -1) {
4664 		}
4665 
4666 		ireq.i_type = IEEE80211_IOC_MCASTCIPHER;
4667 		if (ioctl(s, SIOCG80211, &ireq) != -1) {
4668 			LINE_CHECK("mcastcipher ");
4669 			printcipher(s, &ireq, IEEE80211_IOC_MCASTKEYLEN);
4670 			spacer = ' ';
4671 		}
4672 
4673 		ireq.i_type = IEEE80211_IOC_UCASTCIPHER;
4674 		if (ioctl(s, SIOCG80211, &ireq) != -1) {
4675 			LINE_CHECK("ucastcipher ");
4676 			printcipher(s, &ireq, IEEE80211_IOC_UCASTKEYLEN);
4677 		}
4678 
4679 		if (wpa & 2) {
4680 			ireq.i_type = IEEE80211_IOC_RSNCAPS;
4681 			if (ioctl(s, SIOCG80211, &ireq) != -1) {
4682 				LINE_CHECK("RSN caps 0x%x", ireq.i_val);
4683 				spacer = ' ';
4684 			}
4685 		}
4686 
4687 		ireq.i_type = IEEE80211_IOC_UCASTCIPHERS;
4688 		if (ioctl(s, SIOCG80211, &ireq) != -1) {
4689 		}
4690 #endif
4691 	}
4692 
4693 	if (get80211val(s, IEEE80211_IOC_WEP, &wepmode) != -1 &&
4694 	    wepmode != IEEE80211_WEP_NOSUP) {
4695 
4696 		switch (wepmode) {
4697 		case IEEE80211_WEP_OFF:
4698 			LINE_CHECK("privacy OFF");
4699 			break;
4700 		case IEEE80211_WEP_ON:
4701 			LINE_CHECK("privacy ON");
4702 			break;
4703 		case IEEE80211_WEP_MIXED:
4704 			LINE_CHECK("privacy MIXED");
4705 			break;
4706 		default:
4707 			LINE_CHECK("privacy UNKNOWN (0x%x)", wepmode);
4708 			break;
4709 		}
4710 
4711 		/*
4712 		 * If we get here then we've got WEP support so we need
4713 		 * to print WEP status.
4714 		 */
4715 
4716 		if (get80211val(s, IEEE80211_IOC_WEPTXKEY, &val) < 0) {
4717 			warn("WEP support, but no tx key!");
4718 			goto end;
4719 		}
4720 		if (val != -1)
4721 			LINE_CHECK("deftxkey %d", val+1);
4722 		else if (wepmode != IEEE80211_WEP_OFF || verbose)
4723 			LINE_CHECK("deftxkey UNDEF");
4724 
4725 		if (get80211val(s, IEEE80211_IOC_NUMWEPKEYS, &num) < 0) {
4726 			warn("WEP support, but no NUMWEPKEYS support!");
4727 			goto end;
4728 		}
4729 
4730 		for (i = 0; i < num; i++) {
4731 			struct ieee80211req_key ik;
4732 
4733 			memset(&ik, 0, sizeof(ik));
4734 			ik.ik_keyix = i;
4735 			if (get80211(s, IEEE80211_IOC_WPAKEY, &ik, sizeof(ik)) < 0) {
4736 				warn("WEP support, but can get keys!");
4737 				goto end;
4738 			}
4739 			if (ik.ik_keylen != 0) {
4740 				if (verbose)
4741 					LINE_BREAK();
4742 				printkey(&ik);
4743 			}
4744 		}
4745 end:
4746 		;
4747 	}
4748 
4749 	if (get80211val(s, IEEE80211_IOC_POWERSAVE, &val) != -1 &&
4750 	    val != IEEE80211_POWERSAVE_NOSUP ) {
4751 		if (val != IEEE80211_POWERSAVE_OFF || verbose) {
4752 			switch (val) {
4753 			case IEEE80211_POWERSAVE_OFF:
4754 				LINE_CHECK("powersavemode OFF");
4755 				break;
4756 			case IEEE80211_POWERSAVE_CAM:
4757 				LINE_CHECK("powersavemode CAM");
4758 				break;
4759 			case IEEE80211_POWERSAVE_PSP:
4760 				LINE_CHECK("powersavemode PSP");
4761 				break;
4762 			case IEEE80211_POWERSAVE_PSP_CAM:
4763 				LINE_CHECK("powersavemode PSP-CAM");
4764 				break;
4765 			}
4766 			if (get80211val(s, IEEE80211_IOC_POWERSAVESLEEP, &val) != -1)
4767 				LINE_CHECK("powersavesleep %d", val);
4768 		}
4769 	}
4770 
4771 	if (get80211val(s, IEEE80211_IOC_TXPOWER, &val) != -1) {
4772 		if (val & 1)
4773 			LINE_CHECK("txpower %d.5", val/2);
4774 		else
4775 			LINE_CHECK("txpower %d", val/2);
4776 	}
4777 	if (verbose) {
4778 		if (get80211val(s, IEEE80211_IOC_TXPOWMAX, &val) != -1)
4779 			LINE_CHECK("txpowmax %.1f", val/2.);
4780 	}
4781 
4782 	if (get80211val(s, IEEE80211_IOC_DOTD, &val) != -1) {
4783 		if (val)
4784 			LINE_CHECK("dotd");
4785 		else if (verbose)
4786 			LINE_CHECK("-dotd");
4787 	}
4788 
4789 	if (get80211val(s, IEEE80211_IOC_RTSTHRESHOLD, &val) != -1) {
4790 		if (val != IEEE80211_RTS_MAX || verbose)
4791 			LINE_CHECK("rtsthreshold %d", val);
4792 	}
4793 
4794 	if (get80211val(s, IEEE80211_IOC_FRAGTHRESHOLD, &val) != -1) {
4795 		if (val != IEEE80211_FRAG_MAX || verbose)
4796 			LINE_CHECK("fragthreshold %d", val);
4797 	}
4798 	if (opmode == IEEE80211_M_STA || verbose) {
4799 		if (get80211val(s, IEEE80211_IOC_BMISSTHRESHOLD, &val) != -1) {
4800 			if (val != IEEE80211_HWBMISS_MAX || verbose)
4801 				LINE_CHECK("bmiss %d", val);
4802 		}
4803 	}
4804 
4805 	if (!verbose) {
4806 		gettxparams(s);
4807 		tp = &txparams.params[chan2mode(c)];
4808 		printrate("ucastrate", tp->ucastrate,
4809 		    IEEE80211_FIXED_RATE_NONE, IEEE80211_FIXED_RATE_NONE);
4810 		printrate("mcastrate", tp->mcastrate, 2*1,
4811 		    IEEE80211_RATE_MCS|0);
4812 		printrate("mgmtrate", tp->mgmtrate, 2*1,
4813 		    IEEE80211_RATE_MCS|0);
4814 		if (tp->maxretry != 6)		/* XXX */
4815 			LINE_CHECK("maxretry %d", tp->maxretry);
4816 	} else {
4817 		LINE_BREAK();
4818 		list_txparams(s);
4819 	}
4820 
4821 	bgscaninterval = -1;
4822 	(void) get80211val(s, IEEE80211_IOC_BGSCAN_INTERVAL, &bgscaninterval);
4823 
4824 	if (get80211val(s, IEEE80211_IOC_SCANVALID, &val) != -1) {
4825 		if (val != bgscaninterval || verbose)
4826 			LINE_CHECK("scanvalid %u", val);
4827 	}
4828 
4829 	bgscan = 0;
4830 	if (get80211val(s, IEEE80211_IOC_BGSCAN, &bgscan) != -1) {
4831 		if (bgscan)
4832 			LINE_CHECK("bgscan");
4833 		else if (verbose)
4834 			LINE_CHECK("-bgscan");
4835 	}
4836 	if (bgscan || verbose) {
4837 		if (bgscaninterval != -1)
4838 			LINE_CHECK("bgscanintvl %u", bgscaninterval);
4839 		if (get80211val(s, IEEE80211_IOC_BGSCAN_IDLE, &val) != -1)
4840 			LINE_CHECK("bgscanidle %u", val);
4841 		if (!verbose) {
4842 			getroam(s);
4843 			rp = &roamparams.params[chan2mode(c)];
4844 			if (rp->rssi & 1)
4845 				LINE_CHECK("roam:rssi %u.5", rp->rssi/2);
4846 			else
4847 				LINE_CHECK("roam:rssi %u", rp->rssi/2);
4848 			LINE_CHECK("roam:rate %u", rp->rate/2);
4849 		} else {
4850 			LINE_BREAK();
4851 			list_roam(s);
4852 			LINE_BREAK();
4853 		}
4854 	}
4855 
4856 	if (IEEE80211_IS_CHAN_ANYG(c) || verbose) {
4857 		if (get80211val(s, IEEE80211_IOC_PUREG, &val) != -1) {
4858 			if (val)
4859 				LINE_CHECK("pureg");
4860 			else if (verbose)
4861 				LINE_CHECK("-pureg");
4862 		}
4863 		if (get80211val(s, IEEE80211_IOC_PROTMODE, &val) != -1) {
4864 			switch (val) {
4865 			case IEEE80211_PROTMODE_OFF:
4866 				LINE_CHECK("protmode OFF");
4867 				break;
4868 			case IEEE80211_PROTMODE_CTS:
4869 				LINE_CHECK("protmode CTS");
4870 				break;
4871 			case IEEE80211_PROTMODE_RTSCTS:
4872 				LINE_CHECK("protmode RTSCTS");
4873 				break;
4874 			default:
4875 				LINE_CHECK("protmode UNKNOWN (0x%x)", val);
4876 				break;
4877 			}
4878 		}
4879 	}
4880 
4881 	if (IEEE80211_IS_CHAN_HT(c) || verbose) {
4882 		gethtconf(s);
4883 		switch (htconf & 3) {
4884 		case 0:
4885 		case 2:
4886 			LINE_CHECK("-ht");
4887 			break;
4888 		case 1:
4889 			LINE_CHECK("ht20");
4890 			break;
4891 		case 3:
4892 			if (verbose)
4893 				LINE_CHECK("ht");
4894 			break;
4895 		}
4896 		if (get80211val(s, IEEE80211_IOC_HTCOMPAT, &val) != -1) {
4897 			if (!val)
4898 				LINE_CHECK("-htcompat");
4899 			else if (verbose)
4900 				LINE_CHECK("htcompat");
4901 		}
4902 		if (get80211val(s, IEEE80211_IOC_AMPDU, &val) != -1) {
4903 			switch (val) {
4904 			case 0:
4905 				LINE_CHECK("-ampdu");
4906 				break;
4907 			case 1:
4908 				LINE_CHECK("ampdutx -ampdurx");
4909 				break;
4910 			case 2:
4911 				LINE_CHECK("-ampdutx ampdurx");
4912 				break;
4913 			case 3:
4914 				if (verbose)
4915 					LINE_CHECK("ampdu");
4916 				break;
4917 			}
4918 		}
4919 		if (get80211val(s, IEEE80211_IOC_AMPDU_LIMIT, &val) != -1) {
4920 			switch (val) {
4921 			case IEEE80211_HTCAP_MAXRXAMPDU_8K:
4922 				LINE_CHECK("ampdulimit 8k");
4923 				break;
4924 			case IEEE80211_HTCAP_MAXRXAMPDU_16K:
4925 				LINE_CHECK("ampdulimit 16k");
4926 				break;
4927 			case IEEE80211_HTCAP_MAXRXAMPDU_32K:
4928 				LINE_CHECK("ampdulimit 32k");
4929 				break;
4930 			case IEEE80211_HTCAP_MAXRXAMPDU_64K:
4931 				LINE_CHECK("ampdulimit 64k");
4932 				break;
4933 			}
4934 		}
4935 		if (get80211val(s, IEEE80211_IOC_AMPDU_DENSITY, &val) != -1) {
4936 			switch (val) {
4937 			case IEEE80211_HTCAP_MPDUDENSITY_NA:
4938 				if (verbose)
4939 					LINE_CHECK("ampdudensity NA");
4940 				break;
4941 			case IEEE80211_HTCAP_MPDUDENSITY_025:
4942 				LINE_CHECK("ampdudensity .25");
4943 				break;
4944 			case IEEE80211_HTCAP_MPDUDENSITY_05:
4945 				LINE_CHECK("ampdudensity .5");
4946 				break;
4947 			case IEEE80211_HTCAP_MPDUDENSITY_1:
4948 				LINE_CHECK("ampdudensity 1");
4949 				break;
4950 			case IEEE80211_HTCAP_MPDUDENSITY_2:
4951 				LINE_CHECK("ampdudensity 2");
4952 				break;
4953 			case IEEE80211_HTCAP_MPDUDENSITY_4:
4954 				LINE_CHECK("ampdudensity 4");
4955 				break;
4956 			case IEEE80211_HTCAP_MPDUDENSITY_8:
4957 				LINE_CHECK("ampdudensity 8");
4958 				break;
4959 			case IEEE80211_HTCAP_MPDUDENSITY_16:
4960 				LINE_CHECK("ampdudensity 16");
4961 				break;
4962 			}
4963 		}
4964 		if (get80211val(s, IEEE80211_IOC_AMSDU, &val) != -1) {
4965 			switch (val) {
4966 			case 0:
4967 				LINE_CHECK("-amsdu");
4968 				break;
4969 			case 1:
4970 				LINE_CHECK("amsdutx -amsdurx");
4971 				break;
4972 			case 2:
4973 				LINE_CHECK("-amsdutx amsdurx");
4974 				break;
4975 			case 3:
4976 				if (verbose)
4977 					LINE_CHECK("amsdu");
4978 				break;
4979 			}
4980 		}
4981 		/* XXX amsdu limit */
4982 		if (get80211val(s, IEEE80211_IOC_SHORTGI, &val) != -1) {
4983 			if (val)
4984 				LINE_CHECK("shortgi");
4985 			else if (verbose)
4986 				LINE_CHECK("-shortgi");
4987 		}
4988 		if (get80211val(s, IEEE80211_IOC_HTPROTMODE, &val) != -1) {
4989 			if (val == IEEE80211_PROTMODE_OFF)
4990 				LINE_CHECK("htprotmode OFF");
4991 			else if (val != IEEE80211_PROTMODE_RTSCTS)
4992 				LINE_CHECK("htprotmode UNKNOWN (0x%x)", val);
4993 			else if (verbose)
4994 				LINE_CHECK("htprotmode RTSCTS");
4995 		}
4996 		if (get80211val(s, IEEE80211_IOC_PUREN, &val) != -1) {
4997 			if (val)
4998 				LINE_CHECK("puren");
4999 			else if (verbose)
5000 				LINE_CHECK("-puren");
5001 		}
5002 		if (get80211val(s, IEEE80211_IOC_SMPS, &val) != -1) {
5003 			if (val == IEEE80211_HTCAP_SMPS_DYNAMIC)
5004 				LINE_CHECK("smpsdyn");
5005 			else if (val == IEEE80211_HTCAP_SMPS_ENA)
5006 				LINE_CHECK("smps");
5007 			else if (verbose)
5008 				LINE_CHECK("-smps");
5009 		}
5010 		if (get80211val(s, IEEE80211_IOC_RIFS, &val) != -1) {
5011 			if (val)
5012 				LINE_CHECK("rifs");
5013 			else if (verbose)
5014 				LINE_CHECK("-rifs");
5015 		}
5016 		if (get80211val(s, IEEE80211_IOC_STBC, &val) != -1) {
5017 			switch (val) {
5018 			case 0:
5019 				LINE_CHECK("-stbc");
5020 				break;
5021 			case 1:
5022 				LINE_CHECK("stbctx -stbcrx");
5023 				break;
5024 			case 2:
5025 				LINE_CHECK("-stbctx stbcrx");
5026 				break;
5027 			case 3:
5028 				if (verbose)
5029 					LINE_CHECK("stbc");
5030 				break;
5031 			}
5032 		}
5033 	}
5034 
5035 	if (IEEE80211_IS_CHAN_VHT(c) || verbose) {
5036 		getvhtconf(s);
5037 		if (vhtconf & 0x1)
5038 			LINE_CHECK("vht");
5039 		else
5040 			LINE_CHECK("-vht");
5041 		if (vhtconf & 0x2)
5042 			LINE_CHECK("vht40");
5043 		else
5044 			LINE_CHECK("-vht40");
5045 		if (vhtconf & 0x4)
5046 			LINE_CHECK("vht80");
5047 		else
5048 			LINE_CHECK("-vht80");
5049 		if (vhtconf & 0x8)
5050 			LINE_CHECK("vht80p80");
5051 		else
5052 			LINE_CHECK("-vht80p80");
5053 		if (vhtconf & 0x10)
5054 			LINE_CHECK("vht160");
5055 		else
5056 			LINE_CHECK("-vht160");
5057 	}
5058 
5059 	if (get80211val(s, IEEE80211_IOC_WME, &wme) != -1) {
5060 		if (wme)
5061 			LINE_CHECK("wme");
5062 		else if (verbose)
5063 			LINE_CHECK("-wme");
5064 	} else
5065 		wme = 0;
5066 
5067 	if (get80211val(s, IEEE80211_IOC_BURST, &val) != -1) {
5068 		if (val)
5069 			LINE_CHECK("burst");
5070 		else if (verbose)
5071 			LINE_CHECK("-burst");
5072 	}
5073 
5074 	if (get80211val(s, IEEE80211_IOC_FF, &val) != -1) {
5075 		if (val)
5076 			LINE_CHECK("ff");
5077 		else if (verbose)
5078 			LINE_CHECK("-ff");
5079 	}
5080 	if (get80211val(s, IEEE80211_IOC_TURBOP, &val) != -1) {
5081 		if (val)
5082 			LINE_CHECK("dturbo");
5083 		else if (verbose)
5084 			LINE_CHECK("-dturbo");
5085 	}
5086 	if (get80211val(s, IEEE80211_IOC_DWDS, &val) != -1) {
5087 		if (val)
5088 			LINE_CHECK("dwds");
5089 		else if (verbose)
5090 			LINE_CHECK("-dwds");
5091 	}
5092 
5093 	if (opmode == IEEE80211_M_HOSTAP) {
5094 		if (get80211val(s, IEEE80211_IOC_HIDESSID, &val) != -1) {
5095 			if (val)
5096 				LINE_CHECK("hidessid");
5097 			else if (verbose)
5098 				LINE_CHECK("-hidessid");
5099 		}
5100 		if (get80211val(s, IEEE80211_IOC_APBRIDGE, &val) != -1) {
5101 			if (!val)
5102 				LINE_CHECK("-apbridge");
5103 			else if (verbose)
5104 				LINE_CHECK("apbridge");
5105 		}
5106 		if (get80211val(s, IEEE80211_IOC_DTIM_PERIOD, &val) != -1)
5107 			LINE_CHECK("dtimperiod %u", val);
5108 
5109 		if (get80211val(s, IEEE80211_IOC_DOTH, &val) != -1) {
5110 			if (!val)
5111 				LINE_CHECK("-doth");
5112 			else if (verbose)
5113 				LINE_CHECK("doth");
5114 		}
5115 		if (get80211val(s, IEEE80211_IOC_DFS, &val) != -1) {
5116 			if (!val)
5117 				LINE_CHECK("-dfs");
5118 			else if (verbose)
5119 				LINE_CHECK("dfs");
5120 		}
5121 		if (get80211val(s, IEEE80211_IOC_INACTIVITY, &val) != -1) {
5122 			if (!val)
5123 				LINE_CHECK("-inact");
5124 			else if (verbose)
5125 				LINE_CHECK("inact");
5126 		}
5127 	} else {
5128 		if (get80211val(s, IEEE80211_IOC_ROAMING, &val) != -1) {
5129 			if (val != IEEE80211_ROAMING_AUTO || verbose) {
5130 				switch (val) {
5131 				case IEEE80211_ROAMING_DEVICE:
5132 					LINE_CHECK("roaming DEVICE");
5133 					break;
5134 				case IEEE80211_ROAMING_AUTO:
5135 					LINE_CHECK("roaming AUTO");
5136 					break;
5137 				case IEEE80211_ROAMING_MANUAL:
5138 					LINE_CHECK("roaming MANUAL");
5139 					break;
5140 				default:
5141 					LINE_CHECK("roaming UNKNOWN (0x%x)",
5142 						val);
5143 					break;
5144 				}
5145 			}
5146 		}
5147 	}
5148 
5149 	if (opmode == IEEE80211_M_AHDEMO) {
5150 		if (get80211val(s, IEEE80211_IOC_TDMA_SLOT, &val) != -1)
5151 			LINE_CHECK("tdmaslot %u", val);
5152 		if (get80211val(s, IEEE80211_IOC_TDMA_SLOTCNT, &val) != -1)
5153 			LINE_CHECK("tdmaslotcnt %u", val);
5154 		if (get80211val(s, IEEE80211_IOC_TDMA_SLOTLEN, &val) != -1)
5155 			LINE_CHECK("tdmaslotlen %u", val);
5156 		if (get80211val(s, IEEE80211_IOC_TDMA_BINTERVAL, &val) != -1)
5157 			LINE_CHECK("tdmabintval %u", val);
5158 	} else if (get80211val(s, IEEE80211_IOC_BEACON_INTERVAL, &val) != -1) {
5159 		/* XXX default define not visible */
5160 		if (val != 100 || verbose)
5161 			LINE_CHECK("bintval %u", val);
5162 	}
5163 
5164 	if (wme && verbose) {
5165 		LINE_BREAK();
5166 		list_wme(s);
5167 	}
5168 
5169 	if (opmode == IEEE80211_M_MBSS) {
5170 		if (get80211val(s, IEEE80211_IOC_MESH_TTL, &val) != -1) {
5171 			LINE_CHECK("meshttl %u", val);
5172 		}
5173 		if (get80211val(s, IEEE80211_IOC_MESH_AP, &val) != -1) {
5174 			if (val)
5175 				LINE_CHECK("meshpeering");
5176 			else
5177 				LINE_CHECK("-meshpeering");
5178 		}
5179 		if (get80211val(s, IEEE80211_IOC_MESH_FWRD, &val) != -1) {
5180 			if (val)
5181 				LINE_CHECK("meshforward");
5182 			else
5183 				LINE_CHECK("-meshforward");
5184 		}
5185 		if (get80211val(s, IEEE80211_IOC_MESH_GATE, &val) != -1) {
5186 			if (val)
5187 				LINE_CHECK("meshgate");
5188 			else
5189 				LINE_CHECK("-meshgate");
5190 		}
5191 		if (get80211len(s, IEEE80211_IOC_MESH_PR_METRIC, data, 12,
5192 		    &len) != -1) {
5193 			data[len] = '\0';
5194 			LINE_CHECK("meshmetric %s", data);
5195 		}
5196 		if (get80211len(s, IEEE80211_IOC_MESH_PR_PATH, data, 12,
5197 		    &len) != -1) {
5198 			data[len] = '\0';
5199 			LINE_CHECK("meshpath %s", data);
5200 		}
5201 		if (get80211val(s, IEEE80211_IOC_HWMP_ROOTMODE, &val) != -1) {
5202 			switch (val) {
5203 			case IEEE80211_HWMP_ROOTMODE_DISABLED:
5204 				LINE_CHECK("hwmprootmode DISABLED");
5205 				break;
5206 			case IEEE80211_HWMP_ROOTMODE_NORMAL:
5207 				LINE_CHECK("hwmprootmode NORMAL");
5208 				break;
5209 			case IEEE80211_HWMP_ROOTMODE_PROACTIVE:
5210 				LINE_CHECK("hwmprootmode PROACTIVE");
5211 				break;
5212 			case IEEE80211_HWMP_ROOTMODE_RANN:
5213 				LINE_CHECK("hwmprootmode RANN");
5214 				break;
5215 			default:
5216 				LINE_CHECK("hwmprootmode UNKNOWN(%d)", val);
5217 				break;
5218 			}
5219 		}
5220 		if (get80211val(s, IEEE80211_IOC_HWMP_MAXHOPS, &val) != -1) {
5221 			LINE_CHECK("hwmpmaxhops %u", val);
5222 		}
5223 	}
5224 
5225 	LINE_BREAK();
5226 }
5227 
5228 static int
5229 get80211(int s, int type, void *data, int len)
5230 {
5231 
5232 	return (lib80211_get80211(s, name, type, data, len));
5233 }
5234 
5235 static int
5236 get80211len(int s, int type, void *data, int len, int *plen)
5237 {
5238 
5239 	return (lib80211_get80211len(s, name, type, data, len, plen));
5240 }
5241 
5242 static int
5243 get80211val(int s, int type, int *val)
5244 {
5245 
5246 	return (lib80211_get80211val(s, name, type, val));
5247 }
5248 
5249 static void
5250 set80211(int s, int type, int val, int len, void *data)
5251 {
5252 	int ret;
5253 
5254 	ret = lib80211_set80211(s, name, type, val, len, data);
5255 	if (ret < 0)
5256 		err(1, "SIOCS80211");
5257 }
5258 
5259 static const char *
5260 get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp)
5261 {
5262 	int len;
5263 	int hexstr;
5264 	u_int8_t *p;
5265 
5266 	len = *lenp;
5267 	p = buf;
5268 	hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x');
5269 	if (hexstr)
5270 		val += 2;
5271 	for (;;) {
5272 		if (*val == '\0')
5273 			break;
5274 		if (sep != NULL && strchr(sep, *val) != NULL) {
5275 			val++;
5276 			break;
5277 		}
5278 		if (hexstr) {
5279 			if (!isxdigit((u_char)val[0])) {
5280 				warnx("bad hexadecimal digits");
5281 				return NULL;
5282 			}
5283 			if (!isxdigit((u_char)val[1])) {
5284 				warnx("odd count hexadecimal digits");
5285 				return NULL;
5286 			}
5287 		}
5288 		if (p >= buf + len) {
5289 			if (hexstr)
5290 				warnx("hexadecimal digits too long");
5291 			else
5292 				warnx("string too long");
5293 			return NULL;
5294 		}
5295 		if (hexstr) {
5296 #define	tohex(x)	(isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10)
5297 			*p++ = (tohex((u_char)val[0]) << 4) |
5298 			    tohex((u_char)val[1]);
5299 #undef tohex
5300 			val += 2;
5301 		} else
5302 			*p++ = *val++;
5303 	}
5304 	len = p - buf;
5305 	/* The string "-" is treated as the empty string. */
5306 	if (!hexstr && len == 1 && buf[0] == '-') {
5307 		len = 0;
5308 		memset(buf, 0, *lenp);
5309 	} else if (len < *lenp)
5310 		memset(p, 0, *lenp - len);
5311 	*lenp = len;
5312 	return val;
5313 }
5314 
5315 static void
5316 print_string(const u_int8_t *buf, int len)
5317 {
5318 	int i;
5319 	int hasspc;
5320 
5321 	i = 0;
5322 	hasspc = 0;
5323 	for (; i < len; i++) {
5324 		if (!isprint(buf[i]) && buf[i] != '\0')
5325 			break;
5326 		if (isspace(buf[i]))
5327 			hasspc++;
5328 	}
5329 	if (i == len) {
5330 		if (hasspc || len == 0 || buf[0] == '\0')
5331 			printf("\"%.*s\"", len, buf);
5332 		else
5333 			printf("%.*s", len, buf);
5334 	} else {
5335 		printf("0x");
5336 		for (i = 0; i < len; i++)
5337 			printf("%02x", buf[i]);
5338 	}
5339 }
5340 
5341 static void
5342 setdefregdomain(int s)
5343 {
5344 	struct regdata *rdp = getregdata();
5345 	const struct regdomain *rd;
5346 
5347 	/* Check if regdomain/country was already set by a previous call. */
5348 	/* XXX is it possible? */
5349 	if (regdomain.regdomain != 0 ||
5350 	    regdomain.country != CTRY_DEFAULT)
5351 		return;
5352 
5353 	getregdomain(s);
5354 
5355 	/* Check if it was already set by the driver. */
5356 	if (regdomain.regdomain != 0 ||
5357 	    regdomain.country != CTRY_DEFAULT)
5358 		return;
5359 
5360 	/* Set FCC/US as default. */
5361 	rd = lib80211_regdomain_findbysku(rdp, SKU_FCC);
5362 	if (rd == NULL)
5363 		errx(1, "FCC regdomain was not found");
5364 
5365 	regdomain.regdomain = rd->sku;
5366 	if (rd->cc != NULL)
5367 		defaultcountry(rd);
5368 
5369 	/* Send changes to net80211. */
5370 	setregdomain_cb(s, &regdomain);
5371 
5372 	/* Cleanup (so it can be overriden by subsequent parameters). */
5373 	regdomain.regdomain = 0;
5374 	regdomain.country = CTRY_DEFAULT;
5375 	regdomain.isocc[0] = 0;
5376 	regdomain.isocc[1] = 0;
5377 }
5378 
5379 /*
5380  * Virtual AP cloning support.
5381  */
5382 static struct ieee80211_clone_params params = {
5383 	.icp_opmode	= IEEE80211_M_STA,	/* default to station mode */
5384 };
5385 
5386 static void
5387 wlan_create(int s, struct ifreq *ifr)
5388 {
5389 	static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
5390 	char orig_name[IFNAMSIZ];
5391 
5392 	if (params.icp_parent[0] == '\0')
5393 		errx(1, "must specify a parent device (wlandev) when creating "
5394 		    "a wlan device");
5395 	if (params.icp_opmode == IEEE80211_M_WDS &&
5396 	    memcmp(params.icp_bssid, zerobssid, sizeof(zerobssid)) == 0)
5397 		errx(1, "no bssid specified for WDS (use wlanbssid)");
5398 	ifr->ifr_data = (caddr_t) &params;
5399 	if (ioctl(s, SIOCIFCREATE2, ifr) < 0)
5400 		err(1, "SIOCIFCREATE2");
5401 
5402 	/* XXX preserve original name for ifclonecreate(). */
5403 	strlcpy(orig_name, name, sizeof(orig_name));
5404 	strlcpy(name, ifr->ifr_name, sizeof(name));
5405 
5406 	setdefregdomain(s);
5407 
5408 	strlcpy(name, orig_name, sizeof(name));
5409 }
5410 
5411 static
5412 DECL_CMD_FUNC(set80211clone_wlandev, arg, d)
5413 {
5414 	strlcpy(params.icp_parent, arg, IFNAMSIZ);
5415 }
5416 
5417 static
5418 DECL_CMD_FUNC(set80211clone_wlanbssid, arg, d)
5419 {
5420 	const struct ether_addr *ea;
5421 
5422 	ea = ether_aton(arg);
5423 	if (ea == NULL)
5424 		errx(1, "%s: cannot parse bssid", arg);
5425 	memcpy(params.icp_bssid, ea->octet, IEEE80211_ADDR_LEN);
5426 }
5427 
5428 static
5429 DECL_CMD_FUNC(set80211clone_wlanaddr, arg, d)
5430 {
5431 	const struct ether_addr *ea;
5432 
5433 	ea = ether_aton(arg);
5434 	if (ea == NULL)
5435 		errx(1, "%s: cannot parse address", arg);
5436 	memcpy(params.icp_macaddr, ea->octet, IEEE80211_ADDR_LEN);
5437 	params.icp_flags |= IEEE80211_CLONE_MACADDR;
5438 }
5439 
5440 static
5441 DECL_CMD_FUNC(set80211clone_wlanmode, arg, d)
5442 {
5443 #define	iseq(a,b)	(strncasecmp(a,b,sizeof(b)-1) == 0)
5444 	if (iseq(arg, "sta"))
5445 		params.icp_opmode = IEEE80211_M_STA;
5446 	else if (iseq(arg, "ahdemo") || iseq(arg, "adhoc-demo"))
5447 		params.icp_opmode = IEEE80211_M_AHDEMO;
5448 	else if (iseq(arg, "ibss") || iseq(arg, "adhoc"))
5449 		params.icp_opmode = IEEE80211_M_IBSS;
5450 	else if (iseq(arg, "ap") || iseq(arg, "host"))
5451 		params.icp_opmode = IEEE80211_M_HOSTAP;
5452 	else if (iseq(arg, "wds"))
5453 		params.icp_opmode = IEEE80211_M_WDS;
5454 	else if (iseq(arg, "monitor"))
5455 		params.icp_opmode = IEEE80211_M_MONITOR;
5456 	else if (iseq(arg, "tdma")) {
5457 		params.icp_opmode = IEEE80211_M_AHDEMO;
5458 		params.icp_flags |= IEEE80211_CLONE_TDMA;
5459 	} else if (iseq(arg, "mesh") || iseq(arg, "mp")) /* mesh point */
5460 		params.icp_opmode = IEEE80211_M_MBSS;
5461 	else
5462 		errx(1, "Don't know to create %s for %s", arg, name);
5463 #undef iseq
5464 }
5465 
5466 static void
5467 set80211clone_beacons(const char *val, int d, int s, const struct afswtch *rafp)
5468 {
5469 	/* NB: inverted sense */
5470 	if (d)
5471 		params.icp_flags &= ~IEEE80211_CLONE_NOBEACONS;
5472 	else
5473 		params.icp_flags |= IEEE80211_CLONE_NOBEACONS;
5474 }
5475 
5476 static void
5477 set80211clone_bssid(const char *val, int d, int s, const struct afswtch *rafp)
5478 {
5479 	if (d)
5480 		params.icp_flags |= IEEE80211_CLONE_BSSID;
5481 	else
5482 		params.icp_flags &= ~IEEE80211_CLONE_BSSID;
5483 }
5484 
5485 static void
5486 set80211clone_wdslegacy(const char *val, int d, int s, const struct afswtch *rafp)
5487 {
5488 	if (d)
5489 		params.icp_flags |= IEEE80211_CLONE_WDSLEGACY;
5490 	else
5491 		params.icp_flags &= ~IEEE80211_CLONE_WDSLEGACY;
5492 }
5493 
5494 static struct cmd ieee80211_cmds[] = {
5495 	DEF_CMD_ARG("ssid",		set80211ssid),
5496 	DEF_CMD_ARG("nwid",		set80211ssid),
5497 	DEF_CMD_ARG("meshid",		set80211meshid),
5498 	DEF_CMD_ARG("stationname",	set80211stationname),
5499 	DEF_CMD_ARG("station",		set80211stationname),	/* BSD/OS */
5500 	DEF_CMD_ARG("channel",		set80211channel),
5501 	DEF_CMD_ARG("authmode",		set80211authmode),
5502 	DEF_CMD_ARG("powersavemode",	set80211powersavemode),
5503 	DEF_CMD("powersave",	1,	set80211powersave),
5504 	DEF_CMD("-powersave",	0,	set80211powersave),
5505 	DEF_CMD_ARG("powersavesleep", 	set80211powersavesleep),
5506 	DEF_CMD_ARG("wepmode",		set80211wepmode),
5507 	DEF_CMD("wep",		1,	set80211wep),
5508 	DEF_CMD("-wep",		0,	set80211wep),
5509 	DEF_CMD_ARG("deftxkey",		set80211weptxkey),
5510 	DEF_CMD_ARG("weptxkey",		set80211weptxkey),
5511 	DEF_CMD_ARG("wepkey",		set80211wepkey),
5512 	DEF_CMD_ARG("nwkey",		set80211nwkey),		/* NetBSD */
5513 	DEF_CMD("-nwkey",	0,	set80211wep),		/* NetBSD */
5514 	DEF_CMD_ARG("rtsthreshold",	set80211rtsthreshold),
5515 	DEF_CMD_ARG("protmode",		set80211protmode),
5516 	DEF_CMD_ARG("txpower",		set80211txpower),
5517 	DEF_CMD_ARG("roaming",		set80211roaming),
5518 	DEF_CMD("wme",		1,	set80211wme),
5519 	DEF_CMD("-wme",		0,	set80211wme),
5520 	DEF_CMD("wmm",		1,	set80211wme),
5521 	DEF_CMD("-wmm",		0,	set80211wme),
5522 	DEF_CMD("hidessid",	1,	set80211hidessid),
5523 	DEF_CMD("-hidessid",	0,	set80211hidessid),
5524 	DEF_CMD("apbridge",	1,	set80211apbridge),
5525 	DEF_CMD("-apbridge",	0,	set80211apbridge),
5526 	DEF_CMD_ARG("chanlist",		set80211chanlist),
5527 	DEF_CMD_ARG("bssid",		set80211bssid),
5528 	DEF_CMD_ARG("ap",		set80211bssid),
5529 	DEF_CMD("scan",	0,		set80211scan),
5530 	DEF_CMD_ARG("list",		set80211list),
5531 	DEF_CMD_ARG2("cwmin",		set80211cwmin),
5532 	DEF_CMD_ARG2("cwmax",		set80211cwmax),
5533 	DEF_CMD_ARG2("aifs",		set80211aifs),
5534 	DEF_CMD_ARG2("txoplimit",	set80211txoplimit),
5535 	DEF_CMD_ARG("acm",		set80211acm),
5536 	DEF_CMD_ARG("-acm",		set80211noacm),
5537 	DEF_CMD_ARG("ack",		set80211ackpolicy),
5538 	DEF_CMD_ARG("-ack",		set80211noackpolicy),
5539 	DEF_CMD_ARG2("bss:cwmin",	set80211bsscwmin),
5540 	DEF_CMD_ARG2("bss:cwmax",	set80211bsscwmax),
5541 	DEF_CMD_ARG2("bss:aifs",	set80211bssaifs),
5542 	DEF_CMD_ARG2("bss:txoplimit",	set80211bsstxoplimit),
5543 	DEF_CMD_ARG("dtimperiod",	set80211dtimperiod),
5544 	DEF_CMD_ARG("bintval",		set80211bintval),
5545 	DEF_CMD("mac:open",	IEEE80211_MACCMD_POLICY_OPEN,	set80211maccmd),
5546 	DEF_CMD("mac:allow",	IEEE80211_MACCMD_POLICY_ALLOW,	set80211maccmd),
5547 	DEF_CMD("mac:deny",	IEEE80211_MACCMD_POLICY_DENY,	set80211maccmd),
5548 	DEF_CMD("mac:radius",	IEEE80211_MACCMD_POLICY_RADIUS,	set80211maccmd),
5549 	DEF_CMD("mac:flush",	IEEE80211_MACCMD_FLUSH,		set80211maccmd),
5550 	DEF_CMD("mac:detach",	IEEE80211_MACCMD_DETACH,	set80211maccmd),
5551 	DEF_CMD_ARG("mac:add",		set80211addmac),
5552 	DEF_CMD_ARG("mac:del",		set80211delmac),
5553 	DEF_CMD_ARG("mac:kick",		set80211kickmac),
5554 	DEF_CMD("pureg",	1,	set80211pureg),
5555 	DEF_CMD("-pureg",	0,	set80211pureg),
5556 	DEF_CMD("ff",		1,	set80211fastframes),
5557 	DEF_CMD("-ff",		0,	set80211fastframes),
5558 	DEF_CMD("dturbo",	1,	set80211dturbo),
5559 	DEF_CMD("-dturbo",	0,	set80211dturbo),
5560 	DEF_CMD("bgscan",	1,	set80211bgscan),
5561 	DEF_CMD("-bgscan",	0,	set80211bgscan),
5562 	DEF_CMD_ARG("bgscanidle",	set80211bgscanidle),
5563 	DEF_CMD_ARG("bgscanintvl",	set80211bgscanintvl),
5564 	DEF_CMD_ARG("scanvalid",	set80211scanvalid),
5565 	DEF_CMD("quiet",        1,      set80211quiet),
5566 	DEF_CMD("-quiet",       0,      set80211quiet),
5567 	DEF_CMD_ARG("quiet_count",      set80211quietcount),
5568 	DEF_CMD_ARG("quiet_period",     set80211quietperiod),
5569 	DEF_CMD_ARG("quiet_dur",        set80211quietduration),
5570 	DEF_CMD_ARG("quiet_offset",     set80211quietoffset),
5571 	DEF_CMD_ARG("roam:rssi",	set80211roamrssi),
5572 	DEF_CMD_ARG("roam:rate",	set80211roamrate),
5573 	DEF_CMD_ARG("mcastrate",	set80211mcastrate),
5574 	DEF_CMD_ARG("ucastrate",	set80211ucastrate),
5575 	DEF_CMD_ARG("mgtrate",		set80211mgtrate),
5576 	DEF_CMD_ARG("mgmtrate",		set80211mgtrate),
5577 	DEF_CMD_ARG("maxretry",		set80211maxretry),
5578 	DEF_CMD_ARG("fragthreshold",	set80211fragthreshold),
5579 	DEF_CMD("burst",	1,	set80211burst),
5580 	DEF_CMD("-burst",	0,	set80211burst),
5581 	DEF_CMD_ARG("bmiss",		set80211bmissthreshold),
5582 	DEF_CMD_ARG("bmissthreshold",	set80211bmissthreshold),
5583 	DEF_CMD("shortgi",	1,	set80211shortgi),
5584 	DEF_CMD("-shortgi",	0,	set80211shortgi),
5585 	DEF_CMD("ampdurx",	2,	set80211ampdu),
5586 	DEF_CMD("-ampdurx",	-2,	set80211ampdu),
5587 	DEF_CMD("ampdutx",	1,	set80211ampdu),
5588 	DEF_CMD("-ampdutx",	-1,	set80211ampdu),
5589 	DEF_CMD("ampdu",	3,	set80211ampdu),		/* NB: tx+rx */
5590 	DEF_CMD("-ampdu",	-3,	set80211ampdu),
5591 	DEF_CMD_ARG("ampdulimit",	set80211ampdulimit),
5592 	DEF_CMD_ARG("ampdudensity",	set80211ampdudensity),
5593 	DEF_CMD("amsdurx",	2,	set80211amsdu),
5594 	DEF_CMD("-amsdurx",	-2,	set80211amsdu),
5595 	DEF_CMD("amsdutx",	1,	set80211amsdu),
5596 	DEF_CMD("-amsdutx",	-1,	set80211amsdu),
5597 	DEF_CMD("amsdu",	3,	set80211amsdu),		/* NB: tx+rx */
5598 	DEF_CMD("-amsdu",	-3,	set80211amsdu),
5599 	DEF_CMD_ARG("amsdulimit",	set80211amsdulimit),
5600 	DEF_CMD("stbcrx",	2,	set80211stbc),
5601 	DEF_CMD("-stbcrx",	-2,	set80211stbc),
5602 	DEF_CMD("stbctx",	1,	set80211stbc),
5603 	DEF_CMD("-stbctx",	-1,	set80211stbc),
5604 	DEF_CMD("stbc",		3,	set80211stbc),		/* NB: tx+rx */
5605 	DEF_CMD("-ampdu",	-3,	set80211stbc),
5606 	DEF_CMD("puren",	1,	set80211puren),
5607 	DEF_CMD("-puren",	0,	set80211puren),
5608 	DEF_CMD("doth",		1,	set80211doth),
5609 	DEF_CMD("-doth",	0,	set80211doth),
5610 	DEF_CMD("dfs",		1,	set80211dfs),
5611 	DEF_CMD("-dfs",		0,	set80211dfs),
5612 	DEF_CMD("htcompat",	1,	set80211htcompat),
5613 	DEF_CMD("-htcompat",	0,	set80211htcompat),
5614 	DEF_CMD("dwds",		1,	set80211dwds),
5615 	DEF_CMD("-dwds",	0,	set80211dwds),
5616 	DEF_CMD("inact",	1,	set80211inact),
5617 	DEF_CMD("-inact",	0,	set80211inact),
5618 	DEF_CMD("tsn",		1,	set80211tsn),
5619 	DEF_CMD("-tsn",		0,	set80211tsn),
5620 	DEF_CMD_ARG("regdomain",	set80211regdomain),
5621 	DEF_CMD_ARG("country",		set80211country),
5622 	DEF_CMD("indoor",	'I',	set80211location),
5623 	DEF_CMD("-indoor",	'O',	set80211location),
5624 	DEF_CMD("outdoor",	'O',	set80211location),
5625 	DEF_CMD("-outdoor",	'I',	set80211location),
5626 	DEF_CMD("anywhere",	' ',	set80211location),
5627 	DEF_CMD("ecm",		1,	set80211ecm),
5628 	DEF_CMD("-ecm",		0,	set80211ecm),
5629 	DEF_CMD("dotd",		1,	set80211dotd),
5630 	DEF_CMD("-dotd",	0,	set80211dotd),
5631 	DEF_CMD_ARG("htprotmode",	set80211htprotmode),
5632 	DEF_CMD("ht20",		1,	set80211htconf),
5633 	DEF_CMD("-ht20",	0,	set80211htconf),
5634 	DEF_CMD("ht40",		3,	set80211htconf),	/* NB: 20+40 */
5635 	DEF_CMD("-ht40",	0,	set80211htconf),
5636 	DEF_CMD("ht",		3,	set80211htconf),	/* NB: 20+40 */
5637 	DEF_CMD("-ht",		0,	set80211htconf),
5638 	DEF_CMD("vht",		1,	set80211vhtconf),
5639 	DEF_CMD("-vht",		0,	set80211vhtconf),
5640 	DEF_CMD("vht40",		2,	set80211vhtconf),
5641 	DEF_CMD("-vht40",		-2,	set80211vhtconf),
5642 	DEF_CMD("vht80",		4,	set80211vhtconf),
5643 	DEF_CMD("-vht80",		-4,	set80211vhtconf),
5644 	DEF_CMD("vht80p80",		8,	set80211vhtconf),
5645 	DEF_CMD("-vht80p80",		-8,	set80211vhtconf),
5646 	DEF_CMD("vht160",		16,	set80211vhtconf),
5647 	DEF_CMD("-vht160",		-16,	set80211vhtconf),
5648 	DEF_CMD("rifs",		1,	set80211rifs),
5649 	DEF_CMD("-rifs",	0,	set80211rifs),
5650 	DEF_CMD("smps",		IEEE80211_HTCAP_SMPS_ENA,	set80211smps),
5651 	DEF_CMD("smpsdyn",	IEEE80211_HTCAP_SMPS_DYNAMIC,	set80211smps),
5652 	DEF_CMD("-smps",	IEEE80211_HTCAP_SMPS_OFF,	set80211smps),
5653 	/* XXX for testing */
5654 	DEF_CMD_ARG("chanswitch",	set80211chanswitch),
5655 
5656 	DEF_CMD_ARG("tdmaslot",		set80211tdmaslot),
5657 	DEF_CMD_ARG("tdmaslotcnt",	set80211tdmaslotcnt),
5658 	DEF_CMD_ARG("tdmaslotlen",	set80211tdmaslotlen),
5659 	DEF_CMD_ARG("tdmabintval",	set80211tdmabintval),
5660 
5661 	DEF_CMD_ARG("meshttl",		set80211meshttl),
5662 	DEF_CMD("meshforward",	1,	set80211meshforward),
5663 	DEF_CMD("-meshforward",	0,	set80211meshforward),
5664 	DEF_CMD("meshgate",	1,	set80211meshgate),
5665 	DEF_CMD("-meshgate",	0,	set80211meshgate),
5666 	DEF_CMD("meshpeering",	1,	set80211meshpeering),
5667 	DEF_CMD("-meshpeering",	0,	set80211meshpeering),
5668 	DEF_CMD_ARG("meshmetric",	set80211meshmetric),
5669 	DEF_CMD_ARG("meshpath",		set80211meshpath),
5670 	DEF_CMD("meshrt:flush",	IEEE80211_MESH_RTCMD_FLUSH,	set80211meshrtcmd),
5671 	DEF_CMD_ARG("meshrt:add",	set80211addmeshrt),
5672 	DEF_CMD_ARG("meshrt:del",	set80211delmeshrt),
5673 	DEF_CMD_ARG("hwmprootmode",	set80211hwmprootmode),
5674 	DEF_CMD_ARG("hwmpmaxhops",	set80211hwmpmaxhops),
5675 
5676 	/* vap cloning support */
5677 	DEF_CLONE_CMD_ARG("wlanaddr",	set80211clone_wlanaddr),
5678 	DEF_CLONE_CMD_ARG("wlanbssid",	set80211clone_wlanbssid),
5679 	DEF_CLONE_CMD_ARG("wlandev",	set80211clone_wlandev),
5680 	DEF_CLONE_CMD_ARG("wlanmode",	set80211clone_wlanmode),
5681 	DEF_CLONE_CMD("beacons", 1,	set80211clone_beacons),
5682 	DEF_CLONE_CMD("-beacons", 0,	set80211clone_beacons),
5683 	DEF_CLONE_CMD("bssid",	1,	set80211clone_bssid),
5684 	DEF_CLONE_CMD("-bssid",	0,	set80211clone_bssid),
5685 	DEF_CLONE_CMD("wdslegacy", 1,	set80211clone_wdslegacy),
5686 	DEF_CLONE_CMD("-wdslegacy", 0,	set80211clone_wdslegacy),
5687 };
5688 static struct afswtch af_ieee80211 = {
5689 	.af_name	= "af_ieee80211",
5690 	.af_af		= AF_UNSPEC,
5691 	.af_other_status = ieee80211_status,
5692 };
5693 
5694 static __constructor void
5695 ieee80211_ctor(void)
5696 {
5697 	int i;
5698 
5699 	for (i = 0; i < nitems(ieee80211_cmds);  i++)
5700 		cmd_register(&ieee80211_cmds[i]);
5701 	af_register(&af_ieee80211);
5702 	clone_setdefcallback("wlan", wlan_create);
5703 }
5704