]> CyberLeo.Net >> Repos - FreeBSD/FreeBSD.git/blob - sbin/ifconfig/ifieee80211.c
Fixup handling of roaming and xmit parameters to support 1/2 and 1/4-width
[FreeBSD/FreeBSD.git] / sbin / ifconfig / ifieee80211.c
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  * 3. All advertising materials mentioning features or use of this software
47  *    must display the following acknowledgement:
48  *      This product includes software developed by the NetBSD
49  *      Foundation, Inc. and its contributors.
50  * 4. Neither the name of The NetBSD Foundation nor the names of its
51  *    contributors may be used to endorse or promote products derived
52  *    from this software without specific prior written permission.
53  *
54  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
55  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
56  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
57  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
58  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
59  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
60  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
61  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
62  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
63  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
64  * POSSIBILITY OF SUCH DAMAGE.
65  */
66
67 #include <sys/param.h>
68 #include <sys/ioctl.h>
69 #include <sys/socket.h>
70 #include <sys/sysctl.h>
71 #include <sys/time.h>
72
73 #include <net/ethernet.h>
74 #include <net/if.h>
75 #include <net/if_dl.h>
76 #include <net/if_types.h>
77 #include <net/if_media.h>
78 #include <net/route.h>
79
80 #include <net80211/ieee80211_ioctl.h>
81
82 #include <assert.h>
83 #include <ctype.h>
84 #include <err.h>
85 #include <errno.h>
86 #include <fcntl.h>
87 #include <inttypes.h>
88 #include <stdio.h>
89 #include <stdlib.h>
90 #include <string.h>
91 #include <unistd.h>
92 #include <stdarg.h>
93 #include <stddef.h>             /* NB: for offsetof */
94
95 #include "ifconfig.h"
96 #include "regdomain.h"
97
98 #ifndef IEEE80211_FIXED_RATE_NONE
99 #define IEEE80211_FIXED_RATE_NONE       0xff
100 #endif
101
102 /* XXX need these publicly defined or similar */
103 #ifndef IEEE80211_NODE_AUTH
104 #define IEEE80211_NODE_AUTH     0x0001          /* authorized for data */
105 #define IEEE80211_NODE_QOS      0x0002          /* QoS enabled */
106 #define IEEE80211_NODE_ERP      0x0004          /* ERP enabled */
107 #define IEEE80211_NODE_PWR_MGT  0x0010          /* power save mode enabled */
108 #define IEEE80211_NODE_HT       0x0040          /* HT enabled */
109 #define IEEE80211_NODE_HTCOMPAT 0x0080          /* HT setup w/ vendor OUI's */
110 #define IEEE80211_NODE_WPS      0x0100          /* WPS association */
111 #define IEEE80211_NODE_TSN      0x0200          /* TSN association */
112 #define IEEE80211_NODE_AMPDU_RX 0x0400          /* AMPDU rx enabled */
113 #define IEEE80211_NODE_AMPDU_TX 0x0800          /* AMPDU tx enabled */
114 #define IEEE80211_NODE_MIMO_PS  0x1000          /* MIMO power save enabled */
115 #define IEEE80211_NODE_MIMO_RTS 0x2000          /* send RTS in MIMO PS */
116 #define IEEE80211_NODE_RIFS     0x4000          /* RIFS enabled */
117 #endif
118
119 #define MAXCHAN 1536            /* max 1.5K channels */
120
121 #define MAXCOL  78
122 static  int col;
123 static  char spacer;
124
125 static void LINE_INIT(char c);
126 static void LINE_BREAK(void);
127 static void LINE_CHECK(const char *fmt, ...);
128
129 static const char *modename[IEEE80211_MODE_MAX] = {
130         [IEEE80211_MODE_AUTO]     = "auto",
131         [IEEE80211_MODE_11A]      = "11a",
132         [IEEE80211_MODE_11B]      = "11b",
133         [IEEE80211_MODE_11G]      = "11g",
134         [IEEE80211_MODE_FH]       = "fh",
135         [IEEE80211_MODE_TURBO_A]  = "turboA",
136         [IEEE80211_MODE_TURBO_G]  = "turboG",
137         [IEEE80211_MODE_STURBO_A] = "sturbo",
138         [IEEE80211_MODE_11NA]     = "11na",
139         [IEEE80211_MODE_11NG]     = "11ng",
140         [IEEE80211_MODE_HALF]     = "half",
141         [IEEE80211_MODE_QUARTER]  = "quarter"
142 };
143
144 static void set80211(int s, int type, int val, int len, void *data);
145 static int get80211(int s, int type, void *data, int len);
146 static int get80211len(int s, int type, void *data, int len, int *plen);
147 static int get80211val(int s, int type, int *val);
148 static const char *get_string(const char *val, const char *sep,
149     u_int8_t *buf, int *lenp);
150 static void print_string(const u_int8_t *buf, int len);
151 static void print_regdomain(const struct ieee80211_regdomain *, int);
152 static void print_channels(int, const struct ieee80211req_chaninfo *,
153     int allchans, int verbose);
154 static void regdomain_makechannels(struct ieee80211_regdomain_req *,
155     const struct ieee80211_devcaps_req *);
156
157 static struct ieee80211req_chaninfo *chaninfo;
158 static struct ieee80211_regdomain regdomain;
159 static int gotregdomain = 0;
160 static struct ieee80211_roamparams_req roamparams;
161 static int gotroam = 0;
162 static struct ieee80211_txparams_req txparams;
163 static int gottxparams = 0;
164 static struct ieee80211_channel curchan;
165 static int gotcurchan = 0;
166 static struct ifmediareq *ifmr;
167 static int htconf = 0;
168 static  int gothtconf = 0;
169
170 static void
171 gethtconf(int s)
172 {
173         if (gothtconf)
174                 return;
175         if (get80211val(s, IEEE80211_IOC_HTCONF, &htconf) < 0)
176                 warn("unable to get HT configuration information");
177         gothtconf = 1;
178 }
179
180 /*
181  * Collect channel info from the kernel.  We use this (mostly)
182  * to handle mapping between frequency and IEEE channel number.
183  */
184 static void
185 getchaninfo(int s)
186 {
187         if (chaninfo != NULL)
188                 return;
189         chaninfo = malloc(IEEE80211_CHANINFO_SIZE(MAXCHAN));
190         if (chaninfo == NULL)
191                 errx(1, "no space for channel list");
192         if (get80211(s, IEEE80211_IOC_CHANINFO, chaninfo,
193             IEEE80211_CHANINFO_SIZE(MAXCHAN)) < 0)
194                 err(1, "unable to get channel information");
195         ifmr = ifmedia_getstate(s);
196         gethtconf(s);
197 }
198
199 static struct regdata *
200 getregdata(void)
201 {
202         static struct regdata *rdp = NULL;
203         if (rdp == NULL) {
204                 rdp = lib80211_alloc_regdata();
205                 if (rdp == NULL)
206                         errx(-1, "missing or corrupted regdomain database");
207         }
208         return rdp;
209 }
210
211 /*
212  * Given the channel at index i with attributes from,
213  * check if there is a channel with attributes to in
214  * the channel table.  With suitable attributes this
215  * allows the caller to look for promotion; e.g. from
216  * 11b > 11g.
217  */
218 static int
219 canpromote(int i, int from, int to)
220 {
221         const struct ieee80211_channel *fc = &chaninfo->ic_chans[i];
222         int j;
223
224         if ((fc->ic_flags & from) != from)
225                 return i;
226         /* NB: quick check exploiting ordering of chans w/ same frequency */
227         if (i+1 < chaninfo->ic_nchans &&
228             chaninfo->ic_chans[i+1].ic_freq == fc->ic_freq &&
229             (chaninfo->ic_chans[i+1].ic_flags & to) == to)
230                 return i+1;
231         /* brute force search in case channel list is not ordered */
232         for (j = 0; j < chaninfo->ic_nchans; j++) {
233                 const struct ieee80211_channel *tc = &chaninfo->ic_chans[j];
234                 if (j != i &&
235                     tc->ic_freq == fc->ic_freq && (tc->ic_flags & to) == to)
236                 return j;
237         }
238         return i;
239 }
240
241 /*
242  * Handle channel promotion.  When a channel is specified with
243  * only a frequency we want to promote it to the ``best'' channel
244  * available.  The channel list has separate entries for 11b, 11g,
245  * 11a, and 11n[ga] channels so specifying a frequency w/o any
246  * attributes requires we upgrade, e.g. from 11b -> 11g.  This
247  * gets complicated when the channel is specified on the same
248  * command line with a media request that constrains the available
249  * channe list (e.g. mode 11a); we want to honor that to avoid
250  * confusing behaviour.
251  */
252 static int
253 promote(int i)
254 {
255         /*
256          * Query the current mode of the interface in case it's
257          * constrained (e.g. to 11a).  We must do this carefully
258          * as there may be a pending ifmedia request in which case
259          * asking the kernel will give us the wrong answer.  This
260          * is an unfortunate side-effect of the way ifconfig is
261          * structure for modularity (yech).
262          *
263          * NB: ifmr is actually setup in getchaninfo (above); we
264          *     assume it's called coincident with to this call so
265          *     we have a ``current setting''; otherwise we must pass
266          *     the socket descriptor down to here so we can make
267          *     the ifmedia_getstate call ourselves.
268          */
269         int chanmode = ifmr != NULL ? IFM_MODE(ifmr->ifm_current) : IFM_AUTO;
270
271         /* when ambiguous promote to ``best'' */
272         /* NB: we abitrarily pick HT40+ over HT40- */
273         if (chanmode != IFM_IEEE80211_11B)
274                 i = canpromote(i, IEEE80211_CHAN_B, IEEE80211_CHAN_G);
275         if (chanmode != IFM_IEEE80211_11G && (htconf & 1)) {
276                 i = canpromote(i, IEEE80211_CHAN_G,
277                         IEEE80211_CHAN_G | IEEE80211_CHAN_HT20);
278                 if (htconf & 2) {
279                         i = canpromote(i, IEEE80211_CHAN_G,
280                                 IEEE80211_CHAN_G | IEEE80211_CHAN_HT40D);
281                         i = canpromote(i, IEEE80211_CHAN_G,
282                                 IEEE80211_CHAN_G | IEEE80211_CHAN_HT40U);
283                 }
284         }
285         if (chanmode != IFM_IEEE80211_11A && (htconf & 1)) {
286                 i = canpromote(i, IEEE80211_CHAN_A,
287                         IEEE80211_CHAN_A | IEEE80211_CHAN_HT20);
288                 if (htconf & 2) {
289                         i = canpromote(i, IEEE80211_CHAN_A,
290                                 IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D);
291                         i = canpromote(i, IEEE80211_CHAN_A,
292                                 IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U);
293                 }
294         }
295         return i;
296 }
297
298 static void
299 mapfreq(struct ieee80211_channel *chan, int freq, int flags)
300 {
301         int i;
302
303         for (i = 0; i < chaninfo->ic_nchans; i++) {
304                 const struct ieee80211_channel *c = &chaninfo->ic_chans[i];
305
306                 if (c->ic_freq == freq && (c->ic_flags & flags) == flags) {
307                         if (flags == 0) {
308                                 /* when ambiguous promote to ``best'' */
309                                 c = &chaninfo->ic_chans[promote(i)];
310                         }
311                         *chan = *c;
312                         return;
313                 }
314         }
315         errx(1, "unknown/undefined frequency %u/0x%x", freq, flags);
316 }
317
318 static void
319 mapchan(struct ieee80211_channel *chan, int ieee, int flags)
320 {
321         int i;
322
323         for (i = 0; i < chaninfo->ic_nchans; i++) {
324                 const struct ieee80211_channel *c = &chaninfo->ic_chans[i];
325
326                 if (c->ic_ieee == ieee && (c->ic_flags & flags) == flags) {
327                         if (flags == 0) {
328                                 /* when ambiguous promote to ``best'' */
329                                 c = &chaninfo->ic_chans[promote(i)];
330                         }
331                         *chan = *c;
332                         return;
333                 }
334         }
335         errx(1, "unknown/undefined channel number %d flags 0x%x", ieee, flags);
336 }
337
338 static const struct ieee80211_channel *
339 getcurchan(int s)
340 {
341         if (gotcurchan)
342                 return &curchan;
343         if (get80211(s, IEEE80211_IOC_CURCHAN, &curchan, sizeof(curchan)) < 0) {
344                 int val;
345                 /* fall back to legacy ioctl */
346                 if (get80211val(s, IEEE80211_IOC_CHANNEL, &val) < 0)
347                         err(-1, "cannot figure out current channel");
348                 getchaninfo(s);
349                 mapchan(&curchan, val, 0);
350         }
351         gotcurchan = 1;
352         return &curchan;
353 }
354
355 static enum ieee80211_phymode
356 chan2mode(const struct ieee80211_channel *c)
357 {
358         if (IEEE80211_IS_CHAN_HTA(c))
359                 return IEEE80211_MODE_11NA;
360         if (IEEE80211_IS_CHAN_HTG(c))
361                 return IEEE80211_MODE_11NG;
362         if (IEEE80211_IS_CHAN_108A(c))
363                 return IEEE80211_MODE_TURBO_A;
364         if (IEEE80211_IS_CHAN_108G(c))
365                 return IEEE80211_MODE_TURBO_G;
366         if (IEEE80211_IS_CHAN_ST(c))
367                 return IEEE80211_MODE_STURBO_A;
368         if (IEEE80211_IS_CHAN_FHSS(c))
369                 return IEEE80211_MODE_FH;
370         if (IEEE80211_IS_CHAN_HALF(c))
371                 return IEEE80211_MODE_HALF;
372         if (IEEE80211_IS_CHAN_QUARTER(c))
373                 return IEEE80211_MODE_QUARTER;
374         if (IEEE80211_IS_CHAN_A(c))
375                 return IEEE80211_MODE_11A;
376         if (IEEE80211_IS_CHAN_ANYG(c))
377                 return IEEE80211_MODE_11G;
378         if (IEEE80211_IS_CHAN_B(c))
379                 return IEEE80211_MODE_11B;
380         return IEEE80211_MODE_AUTO;
381 }
382
383 static void
384 getroam(int s)
385 {
386         if (gotroam)
387                 return;
388         if (get80211(s, IEEE80211_IOC_ROAM,
389             &roamparams, sizeof(roamparams)) < 0)
390                 err(1, "unable to get roaming parameters");
391         gotroam = 1;
392 }
393
394 static void
395 setroam_cb(int s, void *arg)
396 {
397         struct ieee80211_roamparams_req *roam = arg;
398         set80211(s, IEEE80211_IOC_ROAM, 0, sizeof(*roam), roam);
399 }
400
401 static void
402 gettxparams(int s)
403 {
404         if (gottxparams)
405                 return;
406         if (get80211(s, IEEE80211_IOC_TXPARAMS,
407             &txparams, sizeof(txparams)) < 0)
408                 err(1, "unable to get transmit parameters");
409         gottxparams = 1;
410 }
411
412 static void
413 settxparams_cb(int s, void *arg)
414 {
415         struct ieee80211_txparams_req *txp = arg;
416         set80211(s, IEEE80211_IOC_TXPARAMS, 0, sizeof(*txp), txp);
417 }
418
419 static void
420 getregdomain(int s)
421 {
422         if (gotregdomain)
423                 return;
424         if (get80211(s, IEEE80211_IOC_REGDOMAIN,
425             &regdomain, sizeof(regdomain)) < 0)
426                 err(1, "unable to get regulatory domain info");
427         gotregdomain = 1;
428 }
429
430 static void
431 getdevcaps(int s, struct ieee80211_devcaps_req *dc)
432 {
433         if (get80211(s, IEEE80211_IOC_DEVCAPS, dc,
434             IEEE80211_DEVCAPS_SPACE(dc)) < 0)
435                 err(1, "unable to get device capabilities");
436 }
437
438 static void
439 setregdomain_cb(int s, void *arg)
440 {
441         struct ieee80211_regdomain_req *req;
442         struct ieee80211_regdomain *rd = arg;
443         struct ieee80211_devcaps_req *dc;
444         struct regdata *rdp = getregdata();
445
446         if (rd->country != NO_COUNTRY) {
447                 const struct country *cc;
448                 /*
449                  * Check current country seting to make sure it's
450                  * compatible with the new regdomain.  If not, then
451                  * override it with any default country for this
452                  * SKU.  If we cannot arrange a match, then abort.
453                  */
454                 cc = lib80211_country_findbycc(rdp, rd->country);
455                 if (cc == NULL)
456                         errx(1, "unknown ISO country code %d", rd->country);
457                 if (cc->rd->sku != rd->regdomain) {
458                         const struct regdomain *rp;
459                         /*
460                          * Check if country is incompatible with regdomain.
461                          * To enable multiple regdomains for a country code
462                          * we permit a mismatch between the regdomain and
463                          * the country's associated regdomain when the
464                          * regdomain is setup w/o a default country.  For
465                          * example, US is bound to the FCC regdomain but
466                          * we allow US to be combined with FCC3 because FCC3
467                          * has not default country.  This allows bogus
468                          * combinations like FCC3+DK which are resolved when
469                          * constructing the channel list by deferring to the
470                          * regdomain to construct the channel list.
471                          */
472                         rp = lib80211_regdomain_findbysku(rdp, rd->regdomain);
473                         if (rp == NULL)
474                                 errx(1, "country %s (%s) is not usable with "
475                                     "regdomain %d", cc->isoname, cc->name,
476                                     rd->regdomain);
477                         else if (rp->cc != NULL && rp->cc != cc)
478                                 errx(1, "country %s (%s) is not usable with "
479                                    "regdomain %s", cc->isoname, cc->name,
480                                    rp->name);
481                 }
482         }
483         /*
484          * Fetch the device capabilities and calculate the
485          * full set of netbands for which we request a new
486          * channel list be constructed.  Once that's done we
487          * push the regdomain info + channel list to the kernel.
488          */
489         dc = malloc(IEEE80211_DEVCAPS_SIZE(MAXCHAN));
490         if (dc == NULL)
491                 errx(1, "no space for device capabilities");
492         dc->dc_chaninfo.ic_nchans = MAXCHAN;
493         getdevcaps(s, dc);
494 #if 0
495         if (verbose) {
496                 printf("drivercaps: 0x%x\n", dc->dc_drivercaps);
497                 printf("cryptocaps: 0x%x\n", dc->dc_cryptocaps);
498                 printf("htcaps    : 0x%x\n", dc->dc_htcaps);
499                 memcpy(chaninfo, &dc->dc_chaninfo,
500                     IEEE80211_CHANINFO_SPACE(&dc->dc_chaninfo));
501                 print_channels(s, &dc->dc_chaninfo, 1/*allchans*/, 1/*verbose*/);
502         }
503 #endif
504         req = malloc(IEEE80211_REGDOMAIN_SIZE(dc->dc_chaninfo.ic_nchans));
505         if (req == NULL)
506                 errx(1, "no space for regdomain request");
507         req->rd = *rd;
508         regdomain_makechannels(req, dc);
509         if (verbose) {
510                 LINE_INIT(':');
511                 print_regdomain(rd, 1/*verbose*/);
512                 LINE_BREAK();
513                 /* blech, reallocate channel list for new data */
514                 if (chaninfo != NULL)
515                         free(chaninfo);
516                 chaninfo = malloc(IEEE80211_CHANINFO_SPACE(&req->chaninfo));
517                 if (chaninfo == NULL)
518                         errx(1, "no space for channel list");
519                 memcpy(chaninfo, &req->chaninfo,
520                     IEEE80211_CHANINFO_SPACE(&req->chaninfo));
521                 print_channels(s, &req->chaninfo, 1/*allchans*/, 1/*verbose*/);
522         }
523         if (req->chaninfo.ic_nchans == 0)
524                 errx(1, "no channels calculated");
525         set80211(s, IEEE80211_IOC_REGDOMAIN, 0,
526             IEEE80211_REGDOMAIN_SPACE(req), req);
527         free(req);
528         free(dc);
529 }
530
531 static int
532 ieee80211_mhz2ieee(int freq, int flags)
533 {
534         struct ieee80211_channel chan;
535         mapfreq(&chan, freq, flags);
536         return chan.ic_ieee;
537 }
538
539 static int
540 isanyarg(const char *arg)
541 {
542         return (strncmp(arg, "-", 1) == 0 ||
543             strncasecmp(arg, "any", 3) == 0 || strncasecmp(arg, "off", 3) == 0);
544 }
545
546 static void
547 set80211ssid(const char *val, int d, int s, const struct afswtch *rafp)
548 {
549         int             ssid;
550         int             len;
551         u_int8_t        data[IEEE80211_NWID_LEN];
552
553         ssid = 0;
554         len = strlen(val);
555         if (len > 2 && isdigit((int)val[0]) && val[1] == ':') {
556                 ssid = atoi(val)-1;
557                 val += 2;
558         }
559
560         bzero(data, sizeof(data));
561         len = sizeof(data);
562         if (get_string(val, NULL, data, &len) == NULL)
563                 exit(1);
564
565         set80211(s, IEEE80211_IOC_SSID, ssid, len, data);
566 }
567
568 static void
569 set80211stationname(const char *val, int d, int s, const struct afswtch *rafp)
570 {
571         int                     len;
572         u_int8_t                data[33];
573
574         bzero(data, sizeof(data));
575         len = sizeof(data);
576         get_string(val, NULL, data, &len);
577
578         set80211(s, IEEE80211_IOC_STATIONNAME, 0, len, data);
579 }
580
581 /*
582  * Parse a channel specification for attributes/flags.
583  * The syntax is:
584  *      freq/xx         channel width (5,10,20,40,40+,40-)
585  *      freq:mode       channel mode (a,b,g,h,n,t,s,d)
586  *
587  * These can be combined in either order; e.g. 2437:ng/40.
588  * Modes are case insensitive.
589  *
590  * The result is not validated here; it's assumed to be
591  * checked against the channel table fetched from the kernel.
592  */ 
593 static int
594 getchannelflags(const char *val, int freq)
595 {
596 #define _CHAN_HT        0x80000000
597         const char *cp;
598         int flags;
599
600         flags = 0;
601
602         cp = strchr(val, ':');
603         if (cp != NULL) {
604                 for (cp++; isalpha((int) *cp); cp++) {
605                         /* accept mixed case */
606                         int c = *cp;
607                         if (isupper(c))
608                                 c = tolower(c);
609                         switch (c) {
610                         case 'a':               /* 802.11a */
611                                 flags |= IEEE80211_CHAN_A;
612                                 break;
613                         case 'b':               /* 802.11b */
614                                 flags |= IEEE80211_CHAN_B;
615                                 break;
616                         case 'g':               /* 802.11g */
617                                 flags |= IEEE80211_CHAN_G;
618                                 break;
619                         case 'h':               /* ht = 802.11n */
620                         case 'n':               /* 802.11n */
621                                 flags |= _CHAN_HT;      /* NB: private */
622                                 break;
623                         case 'd':               /* dt = Atheros Dynamic Turbo */
624                                 flags |= IEEE80211_CHAN_TURBO;
625                                 break;
626                         case 't':               /* ht, dt, st, t */
627                                 /* dt and unadorned t specify Dynamic Turbo */
628                                 if ((flags & (IEEE80211_CHAN_STURBO|_CHAN_HT)) == 0)
629                                         flags |= IEEE80211_CHAN_TURBO;
630                                 break;
631                         case 's':               /* st = Atheros Static Turbo */
632                                 flags |= IEEE80211_CHAN_STURBO;
633                                 break;
634                         default:
635                                 errx(-1, "%s: Invalid channel attribute %c\n",
636                                     val, *cp);
637                         }
638                 }
639         }
640         cp = strchr(val, '/');
641         if (cp != NULL) {
642                 char *ep;
643                 u_long cw = strtoul(cp+1, &ep, 10);
644
645                 switch (cw) {
646                 case 5:
647                         flags |= IEEE80211_CHAN_QUARTER;
648                         break;
649                 case 10:
650                         flags |= IEEE80211_CHAN_HALF;
651                         break;
652                 case 20:
653                         /* NB: this may be removed below */
654                         flags |= IEEE80211_CHAN_HT20;
655                         break;
656                 case 40:
657                         if (ep != NULL && *ep == '+')
658                                 flags |= IEEE80211_CHAN_HT40U;
659                         else if (ep != NULL && *ep == '-')
660                                 flags |= IEEE80211_CHAN_HT40D;
661                         break;
662                 default:
663                         errx(-1, "%s: Invalid channel width\n", val);
664                 }
665         }
666         /*
667          * Cleanup specifications.
668          */ 
669         if ((flags & _CHAN_HT) == 0) {
670                 /*
671                  * If user specified freq/20 or freq/40 quietly remove
672                  * HT cw attributes depending on channel use.  To give
673                  * an explicit 20/40 width for an HT channel you must
674                  * indicate it is an HT channel since all HT channels
675                  * are also usable for legacy operation; e.g. freq:n/40.
676                  */
677                 flags &= ~IEEE80211_CHAN_HT;
678         } else {
679                 /*
680                  * Remove private indicator that this is an HT channel
681                  * and if no explicit channel width has been given
682                  * provide the default settings.
683                  */
684                 flags &= ~_CHAN_HT;
685                 if ((flags & IEEE80211_CHAN_HT) == 0) {
686                         struct ieee80211_channel chan;
687                         /*
688                          * Consult the channel list to see if we can use
689                          * HT40+ or HT40- (if both the map routines choose).
690                          */
691                         if (freq > 255)
692                                 mapfreq(&chan, freq, 0);
693                         else
694                                 mapchan(&chan, freq, 0);
695                         flags |= (chan.ic_flags & IEEE80211_CHAN_HT);
696                 }
697         }
698         return flags;
699 #undef _CHAN_HT
700 }
701
702 static void
703 getchannel(int s, struct ieee80211_channel *chan, const char *val)
704 {
705         int v, flags;
706         char *eptr;
707
708         memset(chan, 0, sizeof(*chan));
709         if (isanyarg(val)) {
710                 chan->ic_freq = IEEE80211_CHAN_ANY;
711                 return;
712         }
713         getchaninfo(s);
714         errno = 0;
715         v = strtol(val, &eptr, 10);
716         if (val[0] == '\0' || val == eptr || errno == ERANGE ||
717             /* channel may be suffixed with nothing, :flag, or /width */
718             (eptr[0] != '\0' && eptr[0] != ':' && eptr[0] != '/'))
719                 errx(1, "invalid channel specification%s",
720                     errno == ERANGE ? " (out of range)" : "");
721         flags = getchannelflags(val, v);
722         if (v > 255) {          /* treat as frequency */
723                 mapfreq(chan, v, flags);
724         } else {
725                 mapchan(chan, v, flags);
726         }
727 }
728
729 static void
730 set80211channel(const char *val, int d, int s, const struct afswtch *rafp)
731 {
732         struct ieee80211_channel chan;
733
734         getchannel(s, &chan, val);
735         set80211(s, IEEE80211_IOC_CURCHAN, 0, sizeof(chan), &chan);
736 }
737
738 static void
739 set80211chanswitch(const char *val, int d, int s, const struct afswtch *rafp)
740 {
741         struct ieee80211_chanswitch_req csr;
742
743         getchannel(s, &csr.csa_chan, val);
744         csr.csa_mode = 1;
745         csr.csa_count = 5;
746         set80211(s, IEEE80211_IOC_CHANSWITCH, 0, sizeof(csr), &csr);
747 }
748
749 static void
750 set80211authmode(const char *val, int d, int s, const struct afswtch *rafp)
751 {
752         int     mode;
753
754         if (strcasecmp(val, "none") == 0) {
755                 mode = IEEE80211_AUTH_NONE;
756         } else if (strcasecmp(val, "open") == 0) {
757                 mode = IEEE80211_AUTH_OPEN;
758         } else if (strcasecmp(val, "shared") == 0) {
759                 mode = IEEE80211_AUTH_SHARED;
760         } else if (strcasecmp(val, "8021x") == 0) {
761                 mode = IEEE80211_AUTH_8021X;
762         } else if (strcasecmp(val, "wpa") == 0) {
763                 mode = IEEE80211_AUTH_WPA;
764         } else {
765                 errx(1, "unknown authmode");
766         }
767
768         set80211(s, IEEE80211_IOC_AUTHMODE, mode, 0, NULL);
769 }
770
771 static void
772 set80211powersavemode(const char *val, int d, int s, const struct afswtch *rafp)
773 {
774         int     mode;
775
776         if (strcasecmp(val, "off") == 0) {
777                 mode = IEEE80211_POWERSAVE_OFF;
778         } else if (strcasecmp(val, "on") == 0) {
779                 mode = IEEE80211_POWERSAVE_ON;
780         } else if (strcasecmp(val, "cam") == 0) {
781                 mode = IEEE80211_POWERSAVE_CAM;
782         } else if (strcasecmp(val, "psp") == 0) {
783                 mode = IEEE80211_POWERSAVE_PSP;
784         } else if (strcasecmp(val, "psp-cam") == 0) {
785                 mode = IEEE80211_POWERSAVE_PSP_CAM;
786         } else {
787                 errx(1, "unknown powersavemode");
788         }
789
790         set80211(s, IEEE80211_IOC_POWERSAVE, mode, 0, NULL);
791 }
792
793 static void
794 set80211powersave(const char *val, int d, int s, const struct afswtch *rafp)
795 {
796         if (d == 0)
797                 set80211(s, IEEE80211_IOC_POWERSAVE, IEEE80211_POWERSAVE_OFF,
798                     0, NULL);
799         else
800                 set80211(s, IEEE80211_IOC_POWERSAVE, IEEE80211_POWERSAVE_ON,
801                     0, NULL);
802 }
803
804 static void
805 set80211powersavesleep(const char *val, int d, int s, const struct afswtch *rafp)
806 {
807         set80211(s, IEEE80211_IOC_POWERSAVESLEEP, atoi(val), 0, NULL);
808 }
809
810 static void
811 set80211wepmode(const char *val, int d, int s, const struct afswtch *rafp)
812 {
813         int     mode;
814
815         if (strcasecmp(val, "off") == 0) {
816                 mode = IEEE80211_WEP_OFF;
817         } else if (strcasecmp(val, "on") == 0) {
818                 mode = IEEE80211_WEP_ON;
819         } else if (strcasecmp(val, "mixed") == 0) {
820                 mode = IEEE80211_WEP_MIXED;
821         } else {
822                 errx(1, "unknown wep mode");
823         }
824
825         set80211(s, IEEE80211_IOC_WEP, mode, 0, NULL);
826 }
827
828 static void
829 set80211wep(const char *val, int d, int s, const struct afswtch *rafp)
830 {
831         set80211(s, IEEE80211_IOC_WEP, d, 0, NULL);
832 }
833
834 static int
835 isundefarg(const char *arg)
836 {
837         return (strcmp(arg, "-") == 0 || strncasecmp(arg, "undef", 5) == 0);
838 }
839
840 static void
841 set80211weptxkey(const char *val, int d, int s, const struct afswtch *rafp)
842 {
843         if (isundefarg(val))
844                 set80211(s, IEEE80211_IOC_WEPTXKEY, IEEE80211_KEYIX_NONE, 0, NULL);
845         else
846                 set80211(s, IEEE80211_IOC_WEPTXKEY, atoi(val)-1, 0, NULL);
847 }
848
849 static void
850 set80211wepkey(const char *val, int d, int s, const struct afswtch *rafp)
851 {
852         int             key = 0;
853         int             len;
854         u_int8_t        data[IEEE80211_KEYBUF_SIZE];
855
856         if (isdigit((int)val[0]) && val[1] == ':') {
857                 key = atoi(val)-1;
858                 val += 2;
859         }
860
861         bzero(data, sizeof(data));
862         len = sizeof(data);
863         get_string(val, NULL, data, &len);
864
865         set80211(s, IEEE80211_IOC_WEPKEY, key, len, data);
866 }
867
868 /*
869  * This function is purely a NetBSD compatability interface.  The NetBSD
870  * interface is too inflexible, but it's there so we'll support it since
871  * it's not all that hard.
872  */
873 static void
874 set80211nwkey(const char *val, int d, int s, const struct afswtch *rafp)
875 {
876         int             txkey;
877         int             i, len;
878         u_int8_t        data[IEEE80211_KEYBUF_SIZE];
879
880         set80211(s, IEEE80211_IOC_WEP, IEEE80211_WEP_ON, 0, NULL);
881
882         if (isdigit((int)val[0]) && val[1] == ':') {
883                 txkey = val[0]-'0'-1;
884                 val += 2;
885
886                 for (i = 0; i < 4; i++) {
887                         bzero(data, sizeof(data));
888                         len = sizeof(data);
889                         val = get_string(val, ",", data, &len);
890                         if (val == NULL)
891                                 exit(1);
892
893                         set80211(s, IEEE80211_IOC_WEPKEY, i, len, data);
894                 }
895         } else {
896                 bzero(data, sizeof(data));
897                 len = sizeof(data);
898                 get_string(val, NULL, data, &len);
899                 txkey = 0;
900
901                 set80211(s, IEEE80211_IOC_WEPKEY, 0, len, data);
902
903                 bzero(data, sizeof(data));
904                 for (i = 1; i < 4; i++)
905                         set80211(s, IEEE80211_IOC_WEPKEY, i, 0, data);
906         }
907
908         set80211(s, IEEE80211_IOC_WEPTXKEY, txkey, 0, NULL);
909 }
910
911 static void
912 set80211rtsthreshold(const char *val, int d, int s, const struct afswtch *rafp)
913 {
914         set80211(s, IEEE80211_IOC_RTSTHRESHOLD,
915                 isundefarg(val) ? IEEE80211_RTS_MAX : atoi(val), 0, NULL);
916 }
917
918 static void
919 set80211protmode(const char *val, int d, int s, const struct afswtch *rafp)
920 {
921         int     mode;
922
923         if (strcasecmp(val, "off") == 0) {
924                 mode = IEEE80211_PROTMODE_OFF;
925         } else if (strcasecmp(val, "cts") == 0) {
926                 mode = IEEE80211_PROTMODE_CTS;
927         } else if (strncasecmp(val, "rtscts", 3) == 0) {
928                 mode = IEEE80211_PROTMODE_RTSCTS;
929         } else {
930                 errx(1, "unknown protection mode");
931         }
932
933         set80211(s, IEEE80211_IOC_PROTMODE, mode, 0, NULL);
934 }
935
936 static void
937 set80211htprotmode(const char *val, int d, int s, const struct afswtch *rafp)
938 {
939         int     mode;
940
941         if (strcasecmp(val, "off") == 0) {
942                 mode = IEEE80211_PROTMODE_OFF;
943         } else if (strncasecmp(val, "rts", 3) == 0) {
944                 mode = IEEE80211_PROTMODE_RTSCTS;
945         } else {
946                 errx(1, "unknown protection mode");
947         }
948
949         set80211(s, IEEE80211_IOC_HTPROTMODE, mode, 0, NULL);
950 }
951
952 static void
953 set80211txpower(const char *val, int d, int s, const struct afswtch *rafp)
954 {
955         double v = atof(val);
956         int txpow;
957
958         txpow = (int) (2*v);
959         if (txpow != 2*v)
960                 errx(-1, "invalid tx power (must be .5 dBm units)");
961         set80211(s, IEEE80211_IOC_TXPOWER, txpow, 0, NULL);
962 }
963
964 #define IEEE80211_ROAMING_DEVICE        0
965 #define IEEE80211_ROAMING_AUTO          1
966 #define IEEE80211_ROAMING_MANUAL        2
967
968 static void
969 set80211roaming(const char *val, int d, int s, const struct afswtch *rafp)
970 {
971         int mode;
972
973         if (strcasecmp(val, "device") == 0) {
974                 mode = IEEE80211_ROAMING_DEVICE;
975         } else if (strcasecmp(val, "auto") == 0) {
976                 mode = IEEE80211_ROAMING_AUTO;
977         } else if (strcasecmp(val, "manual") == 0) {
978                 mode = IEEE80211_ROAMING_MANUAL;
979         } else {
980                 errx(1, "unknown roaming mode");
981         }
982         set80211(s, IEEE80211_IOC_ROAMING, mode, 0, NULL);
983 }
984
985 static void
986 set80211wme(const char *val, int d, int s, const struct afswtch *rafp)
987 {
988         set80211(s, IEEE80211_IOC_WME, d, 0, NULL);
989 }
990
991 static void
992 set80211hidessid(const char *val, int d, int s, const struct afswtch *rafp)
993 {
994         set80211(s, IEEE80211_IOC_HIDESSID, d, 0, NULL);
995 }
996
997 static void
998 set80211apbridge(const char *val, int d, int s, const struct afswtch *rafp)
999 {
1000         set80211(s, IEEE80211_IOC_APBRIDGE, d, 0, NULL);
1001 }
1002
1003 static void
1004 set80211fastframes(const char *val, int d, int s, const struct afswtch *rafp)
1005 {
1006         set80211(s, IEEE80211_IOC_FF, d, 0, NULL);
1007 }
1008
1009 static void
1010 set80211dturbo(const char *val, int d, int s, const struct afswtch *rafp)
1011 {
1012         set80211(s, IEEE80211_IOC_TURBOP, d, 0, NULL);
1013 }
1014
1015 static void
1016 set80211chanlist(const char *val, int d, int s, const struct afswtch *rafp)
1017 {
1018         struct ieee80211req_chanlist chanlist;
1019         char *temp, *cp, *tp;
1020
1021         temp = malloc(strlen(val) + 1);
1022         if (temp == NULL)
1023                 errx(1, "malloc failed");
1024         strcpy(temp, val);
1025         memset(&chanlist, 0, sizeof(chanlist));
1026         cp = temp;
1027         for (;;) {
1028                 int first, last, f, c;
1029
1030                 tp = strchr(cp, ',');
1031                 if (tp != NULL)
1032                         *tp++ = '\0';
1033                 switch (sscanf(cp, "%u-%u", &first, &last)) {
1034                 case 1:
1035                         if (first > IEEE80211_CHAN_MAX)
1036                                 errx(-1, "channel %u out of range, max %u",
1037                                         first, IEEE80211_CHAN_MAX);
1038                         setbit(chanlist.ic_channels, first);
1039                         break;
1040                 case 2:
1041                         if (first > IEEE80211_CHAN_MAX)
1042                                 errx(-1, "channel %u out of range, max %u",
1043                                         first, IEEE80211_CHAN_MAX);
1044                         if (last > IEEE80211_CHAN_MAX)
1045                                 errx(-1, "channel %u out of range, max %u",
1046                                         last, IEEE80211_CHAN_MAX);
1047                         if (first > last)
1048                                 errx(-1, "void channel range, %u > %u",
1049                                         first, last);
1050                         for (f = first; f <= last; f++)
1051                                 setbit(chanlist.ic_channels, f);
1052                         break;
1053                 }
1054                 if (tp == NULL)
1055                         break;
1056                 c = *tp;
1057                 while (isspace(c))
1058                         tp++;
1059                 if (!isdigit(c))
1060                         break;
1061                 cp = tp;
1062         }
1063         set80211(s, IEEE80211_IOC_CHANLIST, 0, sizeof(chanlist), &chanlist);
1064 }
1065
1066 static void
1067 set80211bssid(const char *val, int d, int s, const struct afswtch *rafp)
1068 {
1069
1070         if (!isanyarg(val)) {
1071                 char *temp;
1072                 struct sockaddr_dl sdl;
1073
1074                 temp = malloc(strlen(val) + 2); /* ':' and '\0' */
1075                 if (temp == NULL)
1076                         errx(1, "malloc failed");
1077                 temp[0] = ':';
1078                 strcpy(temp + 1, val);
1079                 sdl.sdl_len = sizeof(sdl);
1080                 link_addr(temp, &sdl);
1081                 free(temp);
1082                 if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
1083                         errx(1, "malformed link-level address");
1084                 set80211(s, IEEE80211_IOC_BSSID, 0,
1085                         IEEE80211_ADDR_LEN, LLADDR(&sdl));
1086         } else {
1087                 uint8_t zerobssid[IEEE80211_ADDR_LEN];
1088                 memset(zerobssid, 0, sizeof(zerobssid));
1089                 set80211(s, IEEE80211_IOC_BSSID, 0,
1090                         IEEE80211_ADDR_LEN, zerobssid);
1091         }
1092 }
1093
1094 static int
1095 getac(const char *ac)
1096 {
1097         if (strcasecmp(ac, "ac_be") == 0 || strcasecmp(ac, "be") == 0)
1098                 return WME_AC_BE;
1099         if (strcasecmp(ac, "ac_bk") == 0 || strcasecmp(ac, "bk") == 0)
1100                 return WME_AC_BK;
1101         if (strcasecmp(ac, "ac_vi") == 0 || strcasecmp(ac, "vi") == 0)
1102                 return WME_AC_VI;
1103         if (strcasecmp(ac, "ac_vo") == 0 || strcasecmp(ac, "vo") == 0)
1104                 return WME_AC_VO;
1105         errx(1, "unknown wme access class %s", ac);
1106 }
1107
1108 static
1109 DECL_CMD_FUNC2(set80211cwmin, ac, val)
1110 {
1111         set80211(s, IEEE80211_IOC_WME_CWMIN, atoi(val), getac(ac), NULL);
1112 }
1113
1114 static
1115 DECL_CMD_FUNC2(set80211cwmax, ac, val)
1116 {
1117         set80211(s, IEEE80211_IOC_WME_CWMAX, atoi(val), getac(ac), NULL);
1118 }
1119
1120 static
1121 DECL_CMD_FUNC2(set80211aifs, ac, val)
1122 {
1123         set80211(s, IEEE80211_IOC_WME_AIFS, atoi(val), getac(ac), NULL);
1124 }
1125
1126 static
1127 DECL_CMD_FUNC2(set80211txoplimit, ac, val)
1128 {
1129         set80211(s, IEEE80211_IOC_WME_TXOPLIMIT, atoi(val), getac(ac), NULL);
1130 }
1131
1132 static
1133 DECL_CMD_FUNC(set80211acm, ac, d)
1134 {
1135         set80211(s, IEEE80211_IOC_WME_ACM, 1, getac(ac), NULL);
1136 }
1137 static
1138 DECL_CMD_FUNC(set80211noacm, ac, d)
1139 {
1140         set80211(s, IEEE80211_IOC_WME_ACM, 0, getac(ac), NULL);
1141 }
1142
1143 static
1144 DECL_CMD_FUNC(set80211ackpolicy, ac, d)
1145 {
1146         set80211(s, IEEE80211_IOC_WME_ACKPOLICY, 1, getac(ac), NULL);
1147 }
1148 static
1149 DECL_CMD_FUNC(set80211noackpolicy, ac, d)
1150 {
1151         set80211(s, IEEE80211_IOC_WME_ACKPOLICY, 0, getac(ac), NULL);
1152 }
1153
1154 static
1155 DECL_CMD_FUNC2(set80211bsscwmin, ac, val)
1156 {
1157         set80211(s, IEEE80211_IOC_WME_CWMIN, atoi(val),
1158                 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
1159 }
1160
1161 static
1162 DECL_CMD_FUNC2(set80211bsscwmax, ac, val)
1163 {
1164         set80211(s, IEEE80211_IOC_WME_CWMAX, atoi(val),
1165                 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
1166 }
1167
1168 static
1169 DECL_CMD_FUNC2(set80211bssaifs, ac, val)
1170 {
1171         set80211(s, IEEE80211_IOC_WME_AIFS, atoi(val),
1172                 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
1173 }
1174
1175 static
1176 DECL_CMD_FUNC2(set80211bsstxoplimit, ac, val)
1177 {
1178         set80211(s, IEEE80211_IOC_WME_TXOPLIMIT, atoi(val),
1179                 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
1180 }
1181
1182 static
1183 DECL_CMD_FUNC(set80211dtimperiod, val, d)
1184 {
1185         set80211(s, IEEE80211_IOC_DTIM_PERIOD, atoi(val), 0, NULL);
1186 }
1187
1188 static
1189 DECL_CMD_FUNC(set80211bintval, val, d)
1190 {
1191         set80211(s, IEEE80211_IOC_BEACON_INTERVAL, atoi(val), 0, NULL);
1192 }
1193
1194 static void
1195 set80211macmac(int s, int op, const char *val)
1196 {
1197         char *temp;
1198         struct sockaddr_dl sdl;
1199
1200         temp = malloc(strlen(val) + 2); /* ':' and '\0' */
1201         if (temp == NULL)
1202                 errx(1, "malloc failed");
1203         temp[0] = ':';
1204         strcpy(temp + 1, val);
1205         sdl.sdl_len = sizeof(sdl);
1206         link_addr(temp, &sdl);
1207         free(temp);
1208         if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
1209                 errx(1, "malformed link-level address");
1210         set80211(s, op, 0, IEEE80211_ADDR_LEN, LLADDR(&sdl));
1211 }
1212
1213 static
1214 DECL_CMD_FUNC(set80211addmac, val, d)
1215 {
1216         set80211macmac(s, IEEE80211_IOC_ADDMAC, val);
1217 }
1218
1219 static
1220 DECL_CMD_FUNC(set80211delmac, val, d)
1221 {
1222         set80211macmac(s, IEEE80211_IOC_DELMAC, val);
1223 }
1224
1225 static
1226 DECL_CMD_FUNC(set80211kickmac, val, d)
1227 {
1228         char *temp;
1229         struct sockaddr_dl sdl;
1230         struct ieee80211req_mlme mlme;
1231
1232         temp = malloc(strlen(val) + 2); /* ':' and '\0' */
1233         if (temp == NULL)
1234                 errx(1, "malloc failed");
1235         temp[0] = ':';
1236         strcpy(temp + 1, val);
1237         sdl.sdl_len = sizeof(sdl);
1238         link_addr(temp, &sdl);
1239         free(temp);
1240         if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
1241                 errx(1, "malformed link-level address");
1242         memset(&mlme, 0, sizeof(mlme));
1243         mlme.im_op = IEEE80211_MLME_DEAUTH;
1244         mlme.im_reason = IEEE80211_REASON_AUTH_EXPIRE;
1245         memcpy(mlme.im_macaddr, LLADDR(&sdl), IEEE80211_ADDR_LEN);
1246         set80211(s, IEEE80211_IOC_MLME, 0, sizeof(mlme), &mlme);
1247 }
1248
1249 static
1250 DECL_CMD_FUNC(set80211maccmd, val, d)
1251 {
1252         set80211(s, IEEE80211_IOC_MACCMD, d, 0, NULL);
1253 }
1254
1255 static void
1256 set80211pureg(const char *val, int d, int s, const struct afswtch *rafp)
1257 {
1258         set80211(s, IEEE80211_IOC_PUREG, d, 0, NULL);
1259 }
1260
1261 static void
1262 set80211bgscan(const char *val, int d, int s, const struct afswtch *rafp)
1263 {
1264         set80211(s, IEEE80211_IOC_BGSCAN, d, 0, NULL);
1265 }
1266
1267 static
1268 DECL_CMD_FUNC(set80211bgscanidle, val, d)
1269 {
1270         set80211(s, IEEE80211_IOC_BGSCAN_IDLE, atoi(val), 0, NULL);
1271 }
1272
1273 static
1274 DECL_CMD_FUNC(set80211bgscanintvl, val, d)
1275 {
1276         set80211(s, IEEE80211_IOC_BGSCAN_INTERVAL, atoi(val), 0, NULL);
1277 }
1278
1279 static
1280 DECL_CMD_FUNC(set80211scanvalid, val, d)
1281 {
1282         set80211(s, IEEE80211_IOC_SCANVALID, atoi(val), 0, NULL);
1283 }
1284
1285 /*
1286  * Parse an optional trailing specification of which netbands
1287  * to apply a parameter to.  This is basically the same syntax
1288  * as used for channels but you can concatenate to specify
1289  * multiple.  For example:
1290  *      14:abg          apply to 11a, 11b, and 11g
1291  *      6:ht            apply to 11na and 11ng
1292  * We don't make a big effort to catch silly things; this is
1293  * really a convenience mechanism.
1294  */
1295 static int
1296 getmodeflags(const char *val)
1297 {
1298         const char *cp;
1299         int flags;
1300
1301         flags = 0;
1302
1303         cp = strchr(val, ':');
1304         if (cp != NULL) {
1305                 for (cp++; isalpha((int) *cp); cp++) {
1306                         /* accept mixed case */
1307                         int c = *cp;
1308                         if (isupper(c))
1309                                 c = tolower(c);
1310                         switch (c) {
1311                         case 'a':               /* 802.11a */
1312                                 flags |= IEEE80211_CHAN_A;
1313                                 break;
1314                         case 'b':               /* 802.11b */
1315                                 flags |= IEEE80211_CHAN_B;
1316                                 break;
1317                         case 'g':               /* 802.11g */
1318                                 flags |= IEEE80211_CHAN_G;
1319                                 break;
1320                         case 'n':               /* 802.11n */
1321                                 flags |= IEEE80211_CHAN_HT;
1322                                 break;
1323                         case 'd':               /* dt = Atheros Dynamic Turbo */
1324                                 flags |= IEEE80211_CHAN_TURBO;
1325                                 break;
1326                         case 't':               /* ht, dt, st, t */
1327                                 /* dt and unadorned t specify Dynamic Turbo */
1328                                 if ((flags & (IEEE80211_CHAN_STURBO|IEEE80211_CHAN_HT)) == 0)
1329                                         flags |= IEEE80211_CHAN_TURBO;
1330                                 break;
1331                         case 's':               /* st = Atheros Static Turbo */
1332                                 flags |= IEEE80211_CHAN_STURBO;
1333                                 break;
1334                         case 'h':               /* 1/2-width channels */
1335                                 flags |= IEEE80211_CHAN_HALF;
1336                                 break;
1337                         case 'q':               /* 1/4-width channels */
1338                                 flags |= IEEE80211_CHAN_QUARTER;
1339                                 break;
1340                         default:
1341                                 errx(-1, "%s: Invalid mode attribute %c\n",
1342                                     val, *cp);
1343                         }
1344                 }
1345         }
1346         return flags;
1347 }
1348
1349 #define IEEE80211_CHAN_HTA      (IEEE80211_CHAN_HT|IEEE80211_CHAN_5GHZ)
1350 #define IEEE80211_CHAN_HTG      (IEEE80211_CHAN_HT|IEEE80211_CHAN_2GHZ)
1351
1352 #define _APPLY(_flags, _base, _param, _v) do {                          \
1353     if (_flags & IEEE80211_CHAN_HT) {                                   \
1354             if ((_flags & (IEEE80211_CHAN_5GHZ|IEEE80211_CHAN_2GHZ)) == 0) {\
1355                     _base.params[IEEE80211_MODE_11NA]._param = _v;      \
1356                     _base.params[IEEE80211_MODE_11NG]._param = _v;      \
1357             } else if (_flags & IEEE80211_CHAN_5GHZ)                    \
1358                     _base.params[IEEE80211_MODE_11NA]._param = _v;      \
1359             else                                                        \
1360                     _base.params[IEEE80211_MODE_11NG]._param = _v;      \
1361     }                                                                   \
1362     if (_flags & IEEE80211_CHAN_TURBO) {                                \
1363             if ((_flags & (IEEE80211_CHAN_5GHZ|IEEE80211_CHAN_2GHZ)) == 0) {\
1364                     _base.params[IEEE80211_MODE_TURBO_A]._param = _v;   \
1365                     _base.params[IEEE80211_MODE_TURBO_G]._param = _v;   \
1366             } else if (_flags & IEEE80211_CHAN_5GHZ)                    \
1367                     _base.params[IEEE80211_MODE_TURBO_A]._param = _v;   \
1368             else                                                        \
1369                     _base.params[IEEE80211_MODE_TURBO_G]._param = _v;   \
1370     }                                                                   \
1371     if (_flags & IEEE80211_CHAN_STURBO)                                 \
1372             _base.params[IEEE80211_MODE_STURBO_A]._param = _v;          \
1373     if ((_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A)                \
1374             _base.params[IEEE80211_MODE_11A]._param = _v;               \
1375     if ((_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)                \
1376             _base.params[IEEE80211_MODE_11G]._param = _v;               \
1377     if ((_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B)                \
1378             _base.params[IEEE80211_MODE_11B]._param = _v;               \
1379     if (_flags & IEEE80211_CHAN_HALF)                                   \
1380             _base.params[IEEE80211_MODE_HALF]._param = _v;              \
1381     if (_flags & IEEE80211_CHAN_QUARTER)                                \
1382             _base.params[IEEE80211_MODE_QUARTER]._param = _v;           \
1383 } while (0)
1384 #define _APPLY1(_flags, _base, _param, _v) do {                         \
1385     if (_flags & IEEE80211_CHAN_HT) {                                   \
1386             if (_flags & IEEE80211_CHAN_5GHZ)                           \
1387                     _base.params[IEEE80211_MODE_11NA]._param = _v;      \
1388             else                                                        \
1389                     _base.params[IEEE80211_MODE_11NG]._param = _v;      \
1390     } else if ((_flags & IEEE80211_CHAN_108A) == IEEE80211_CHAN_108A)   \
1391             _base.params[IEEE80211_MODE_TURBO_A]._param = _v;           \
1392     else if ((_flags & IEEE80211_CHAN_108G) == IEEE80211_CHAN_108G)     \
1393             _base.params[IEEE80211_MODE_TURBO_G]._param = _v;           \
1394     else if ((_flags & IEEE80211_CHAN_ST) == IEEE80211_CHAN_ST)         \
1395             _base.params[IEEE80211_MODE_STURBO_A]._param = _v;          \
1396     else if (_flags & IEEE80211_CHAN_HALF)                              \
1397             _base.params[IEEE80211_MODE_HALF]._param = _v;              \
1398     else if (_flags & IEEE80211_CHAN_QUARTER)                           \
1399             _base.params[IEEE80211_MODE_QUARTER]._param = _v;           \
1400     else if ((_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A)           \
1401             _base.params[IEEE80211_MODE_11A]._param = _v;               \
1402     else if ((_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)           \
1403             _base.params[IEEE80211_MODE_11G]._param = _v;               \
1404     else if ((_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B)           \
1405             _base.params[IEEE80211_MODE_11B]._param = _v;               \
1406 } while (0)
1407 #define _APPLY_RATE(_flags, _base, _param, _v) do {                     \
1408     if (_flags & IEEE80211_CHAN_HT) {                                   \
1409         (_v) = (_v / 2) | IEEE80211_RATE_MCS;                           \
1410     }                                                                   \
1411     _APPLY(_flags, _base, _param, _v);                                  \
1412 } while (0)
1413 #define _APPLY_RATE1(_flags, _base, _param, _v) do {                    \
1414     if (_flags & IEEE80211_CHAN_HT) {                                   \
1415         (_v) = (_v / 2) | IEEE80211_RATE_MCS;                           \
1416     }                                                                   \
1417     _APPLY1(_flags, _base, _param, _v);                                 \
1418 } while (0)
1419
1420 static
1421 DECL_CMD_FUNC(set80211roamrssi, val, d)
1422 {
1423         double v = atof(val);
1424         int rssi, flags;
1425
1426         rssi = (int) (2*v);
1427         if (rssi != 2*v)
1428                 errx(-1, "invalid rssi (must be .5 dBm units)");
1429         flags = getmodeflags(val);
1430         getroam(s);
1431         if (flags == 0) {               /* NB: no flags => current channel */
1432                 flags = getcurchan(s)->ic_flags;
1433                 _APPLY1(flags, roamparams, rssi, rssi);
1434         } else
1435                 _APPLY(flags, roamparams, rssi, rssi);
1436         callback_register(setroam_cb, &roamparams);
1437 }
1438
1439 static int
1440 getrate(const char *val, const char *tag)
1441 {
1442         double v = atof(val);
1443         int rate;
1444
1445         rate = (int) (2*v);
1446         if (rate != 2*v)
1447                 errx(-1, "invalid %s rate (must be .5 Mb/s units)", tag);
1448         return rate;            /* NB: returns 2x the specified value */
1449 }
1450
1451 static
1452 DECL_CMD_FUNC(set80211roamrate, val, d)
1453 {
1454         int rate, flags;
1455
1456         rate = getrate(val, "roam");
1457         flags = getmodeflags(val);
1458         getroam(s);
1459         if (flags == 0) {               /* NB: no flags => current channel */
1460                 flags = getcurchan(s)->ic_flags;
1461                 _APPLY_RATE1(flags, roamparams, rate, rate);
1462         } else
1463                 _APPLY_RATE(flags, roamparams, rate, rate);
1464         callback_register(setroam_cb, &roamparams);
1465 }
1466
1467 static
1468 DECL_CMD_FUNC(set80211mcastrate, val, d)
1469 {
1470         int rate, flags;
1471
1472         rate = getrate(val, "mcast");
1473         flags = getmodeflags(val);
1474         gettxparams(s);
1475         if (flags == 0) {               /* NB: no flags => current channel */
1476                 flags = getcurchan(s)->ic_flags;
1477                 _APPLY_RATE1(flags, txparams, mcastrate, rate);
1478         } else
1479                 _APPLY_RATE(flags, txparams, mcastrate, rate);
1480         callback_register(settxparams_cb, &txparams);
1481 }
1482
1483 static
1484 DECL_CMD_FUNC(set80211mgtrate, val, d)
1485 {
1486         int rate, flags;
1487
1488         rate = getrate(val, "mgmt");
1489         flags = getmodeflags(val);
1490         gettxparams(s);
1491         if (flags == 0) {               /* NB: no flags => current channel */
1492                 flags = getcurchan(s)->ic_flags;
1493                 _APPLY_RATE1(flags, txparams, mgmtrate, rate);
1494         } else
1495                 _APPLY_RATE(flags, txparams, mgmtrate, rate);
1496         callback_register(settxparams_cb, &txparams);
1497 }
1498
1499 static
1500 DECL_CMD_FUNC(set80211ucastrate, val, d)
1501 {
1502         int flags;
1503
1504         gettxparams(s);
1505         flags = getmodeflags(val);
1506         if (isanyarg(val)) {
1507                 if (flags == 0) {       /* NB: no flags => current channel */
1508                         flags = getcurchan(s)->ic_flags;
1509                         _APPLY1(flags, txparams, ucastrate,
1510                             IEEE80211_FIXED_RATE_NONE);
1511                 } else
1512                         _APPLY(flags, txparams, ucastrate,
1513                             IEEE80211_FIXED_RATE_NONE);
1514         } else {
1515                 int rate = getrate(val, "ucast");
1516                 if (flags == 0) {       /* NB: no flags => current channel */
1517                         flags = getcurchan(s)->ic_flags;
1518                         _APPLY_RATE1(flags, txparams, ucastrate, rate);
1519                 } else
1520                         _APPLY_RATE(flags, txparams, ucastrate, rate);
1521         }
1522         callback_register(settxparams_cb, &txparams);
1523 }
1524
1525 static
1526 DECL_CMD_FUNC(set80211maxretry, val, d)
1527 {
1528         int v = atoi(val), flags;
1529
1530         flags = getmodeflags(val);
1531         gettxparams(s);
1532         if (flags == 0) {               /* NB: no flags => current channel */
1533                 flags = getcurchan(s)->ic_flags;
1534                 _APPLY1(flags, txparams, maxretry, v);
1535         } else
1536                 _APPLY(flags, txparams, maxretry, v);
1537         callback_register(settxparams_cb, &txparams);
1538 }
1539 #undef _APPLY_RATE
1540 #undef _APPLY
1541 #undef IEEE80211_CHAN_HTA
1542 #undef IEEE80211_CHAN_HTG
1543
1544 static
1545 DECL_CMD_FUNC(set80211fragthreshold, val, d)
1546 {
1547         set80211(s, IEEE80211_IOC_FRAGTHRESHOLD,
1548                 isundefarg(val) ? IEEE80211_FRAG_MAX : atoi(val), 0, NULL);
1549 }
1550
1551 static
1552 DECL_CMD_FUNC(set80211bmissthreshold, val, d)
1553 {
1554         set80211(s, IEEE80211_IOC_BMISSTHRESHOLD,
1555                 isundefarg(val) ? IEEE80211_HWBMISS_MAX : atoi(val), 0, NULL);
1556 }
1557
1558 static void
1559 set80211burst(const char *val, int d, int s, const struct afswtch *rafp)
1560 {
1561         set80211(s, IEEE80211_IOC_BURST, d, 0, NULL);
1562 }
1563
1564 static void
1565 set80211doth(const char *val, int d, int s, const struct afswtch *rafp)
1566 {
1567         set80211(s, IEEE80211_IOC_DOTH, d, 0, NULL);
1568 }
1569
1570 static void
1571 set80211dfs(const char *val, int d, int s, const struct afswtch *rafp)
1572 {
1573         set80211(s, IEEE80211_IOC_DFS, d, 0, NULL);
1574 }
1575
1576 static void
1577 set80211shortgi(const char *val, int d, int s, const struct afswtch *rafp)
1578 {
1579         set80211(s, IEEE80211_IOC_SHORTGI,
1580                 d ? (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) : 0,
1581                 0, NULL);
1582 }
1583
1584 static void
1585 set80211ampdu(const char *val, int d, int s, const struct afswtch *rafp)
1586 {
1587         int ampdu;
1588
1589         if (get80211val(s, IEEE80211_IOC_AMPDU, &ampdu) < 0)
1590                 errx(-1, "cannot get AMPDU setting");
1591         if (d < 0) {
1592                 d = -d;
1593                 ampdu &= ~d;
1594         } else
1595                 ampdu |= d;
1596         set80211(s, IEEE80211_IOC_AMPDU, ampdu, 0, NULL);
1597 }
1598
1599 static
1600 DECL_CMD_FUNC(set80211ampdulimit, val, d)
1601 {
1602         int v;
1603
1604         switch (atoi(val)) {
1605         case 8:
1606         case 8*1024:
1607                 v = IEEE80211_HTCAP_MAXRXAMPDU_8K;
1608                 break;
1609         case 16:
1610         case 16*1024:
1611                 v = IEEE80211_HTCAP_MAXRXAMPDU_16K;
1612                 break;
1613         case 32:
1614         case 32*1024:
1615                 v = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1616                 break;
1617         case 64:
1618         case 64*1024:
1619                 v = IEEE80211_HTCAP_MAXRXAMPDU_64K;
1620                 break;
1621         default:
1622                 errx(-1, "invalid A-MPDU limit %s", val);
1623         }
1624         set80211(s, IEEE80211_IOC_AMPDU_LIMIT, v, 0, NULL);
1625 }
1626
1627 static
1628 DECL_CMD_FUNC(set80211ampdudensity, val, d)
1629 {
1630         int v;
1631
1632         if (isanyarg(val) || strcasecmp(val, "na") == 0)
1633                 v = IEEE80211_HTCAP_MPDUDENSITY_NA;
1634         else switch ((int)(atof(val)*4)) {
1635         case 0:
1636                 v = IEEE80211_HTCAP_MPDUDENSITY_NA;
1637                 break;
1638         case 1:
1639                 v = IEEE80211_HTCAP_MPDUDENSITY_025;
1640                 break;
1641         case 2:
1642                 v = IEEE80211_HTCAP_MPDUDENSITY_05;
1643                 break;
1644         case 4:
1645                 v = IEEE80211_HTCAP_MPDUDENSITY_1;
1646                 break;
1647         case 8:
1648                 v = IEEE80211_HTCAP_MPDUDENSITY_2;
1649                 break;
1650         case 16:
1651                 v = IEEE80211_HTCAP_MPDUDENSITY_4;
1652                 break;
1653         case 32:
1654                 v = IEEE80211_HTCAP_MPDUDENSITY_8;
1655                 break;
1656         case 64:
1657                 v = IEEE80211_HTCAP_MPDUDENSITY_16;
1658                 break;
1659         default:
1660                 errx(-1, "invalid A-MPDU density %s", val);
1661         }
1662         set80211(s, IEEE80211_IOC_AMPDU_DENSITY, v, 0, NULL);
1663 }
1664
1665 static void
1666 set80211amsdu(const char *val, int d, int s, const struct afswtch *rafp)
1667 {
1668         int amsdu;
1669
1670         if (get80211val(s, IEEE80211_IOC_AMSDU, &amsdu) < 0)
1671                 err(-1, "cannot get AMSDU setting");
1672         if (d < 0) {
1673                 d = -d;
1674                 amsdu &= ~d;
1675         } else
1676                 amsdu |= d;
1677         set80211(s, IEEE80211_IOC_AMSDU, amsdu, 0, NULL);
1678 }
1679
1680 static
1681 DECL_CMD_FUNC(set80211amsdulimit, val, d)
1682 {
1683         set80211(s, IEEE80211_IOC_AMSDU_LIMIT, atoi(val), 0, NULL);
1684 }
1685
1686 static void
1687 set80211puren(const char *val, int d, int s, const struct afswtch *rafp)
1688 {
1689         set80211(s, IEEE80211_IOC_PUREN, d, 0, NULL);
1690 }
1691
1692 static void
1693 set80211htcompat(const char *val, int d, int s, const struct afswtch *rafp)
1694 {
1695         set80211(s, IEEE80211_IOC_HTCOMPAT, d, 0, NULL);
1696 }
1697
1698 static void
1699 set80211htconf(const char *val, int d, int s, const struct afswtch *rafp)
1700 {
1701         set80211(s, IEEE80211_IOC_HTCONF, d, 0, NULL);
1702         htconf = d;
1703 }
1704
1705 static void
1706 set80211dwds(const char *val, int d, int s, const struct afswtch *rafp)
1707 {
1708         set80211(s, IEEE80211_IOC_DWDS, d, 0, NULL);
1709 }
1710
1711 static void
1712 set80211inact(const char *val, int d, int s, const struct afswtch *rafp)
1713 {
1714         set80211(s, IEEE80211_IOC_INACTIVITY, d, 0, NULL);
1715 }
1716
1717 static void
1718 set80211tsn(const char *val, int d, int s, const struct afswtch *rafp)
1719 {
1720         set80211(s, IEEE80211_IOC_TSN, d, 0, NULL);
1721 }
1722
1723 static void
1724 set80211dotd(const char *val, int d, int s, const struct afswtch *rafp)
1725 {
1726         set80211(s, IEEE80211_IOC_DOTD, d, 0, NULL);
1727 }
1728
1729 static void
1730 set80211smps(const char *val, int d, int s, const struct afswtch *rafp)
1731 {
1732         set80211(s, IEEE80211_IOC_SMPS, d, 0, NULL);
1733 }
1734
1735 static void
1736 set80211rifs(const char *val, int d, int s, const struct afswtch *rafp)
1737 {
1738         set80211(s, IEEE80211_IOC_RIFS, d, 0, NULL);
1739 }
1740
1741 static
1742 DECL_CMD_FUNC(set80211tdmaslot, val, d)
1743 {
1744         set80211(s, IEEE80211_IOC_TDMA_SLOT, atoi(val), 0, NULL);
1745 }
1746
1747 static
1748 DECL_CMD_FUNC(set80211tdmaslotcnt, val, d)
1749 {
1750         set80211(s, IEEE80211_IOC_TDMA_SLOTCNT, atoi(val), 0, NULL);
1751 }
1752
1753 static
1754 DECL_CMD_FUNC(set80211tdmaslotlen, val, d)
1755 {
1756         set80211(s, IEEE80211_IOC_TDMA_SLOTLEN, atoi(val), 0, NULL);
1757 }
1758
1759 static
1760 DECL_CMD_FUNC(set80211tdmabintval, val, d)
1761 {
1762         set80211(s, IEEE80211_IOC_TDMA_BINTERVAL, atoi(val), 0, NULL);
1763 }
1764
1765 static int
1766 regdomain_sort(const void *a, const void *b)
1767 {
1768 #define CHAN_ALL \
1769         (IEEE80211_CHAN_ALLTURBO|IEEE80211_CHAN_HALF|IEEE80211_CHAN_QUARTER)
1770         const struct ieee80211_channel *ca = a;
1771         const struct ieee80211_channel *cb = b;
1772
1773         return ca->ic_freq == cb->ic_freq ?
1774             (ca->ic_flags & CHAN_ALL) - (cb->ic_flags & CHAN_ALL) :
1775             ca->ic_freq - cb->ic_freq;
1776 #undef CHAN_ALL
1777 }
1778
1779 static const struct ieee80211_channel *
1780 chanlookup(const struct ieee80211_channel chans[], int nchans,
1781         int freq, int flags)
1782 {
1783         int i;
1784
1785         flags &= IEEE80211_CHAN_ALLTURBO;
1786         for (i = 0; i < nchans; i++) {
1787                 const struct ieee80211_channel *c = &chans[i];
1788                 if (c->ic_freq == freq &&
1789                     (c->ic_flags & IEEE80211_CHAN_ALLTURBO) == flags)
1790                         return c;
1791         }
1792         return NULL;
1793 }
1794
1795 static int
1796 chanfind(const struct ieee80211_channel chans[], int nchans, int flags)
1797 {
1798         int i;
1799
1800         for (i = 0; i < nchans; i++) {
1801                 const struct ieee80211_channel *c = &chans[i];
1802                 if ((c->ic_flags & flags) == flags)
1803                         return 1;
1804         }
1805         return 0;
1806 }
1807
1808 /*
1809  * Check channel compatibility.
1810  */
1811 static int
1812 checkchan(const struct ieee80211req_chaninfo *avail, int freq, int flags)
1813 {
1814         flags &= ~REQ_FLAGS;
1815         /*
1816          * Check if exact channel is in the calibration table;
1817          * everything below is to deal with channels that we
1818          * want to include but that are not explicitly listed.
1819          */
1820         if (flags & IEEE80211_CHAN_HT40) {
1821                 /* NB: we use an HT40 channel center that matches HT20 */
1822                 flags = (flags &~ IEEE80211_CHAN_HT40) | IEEE80211_CHAN_HT20;
1823         }
1824         if (chanlookup(avail->ic_chans, avail->ic_nchans, freq, flags) != NULL)
1825                 return 1;
1826         if (flags & IEEE80211_CHAN_GSM) {
1827                 /*
1828                  * XXX GSM frequency mapping is handled in the kernel
1829                  * so we cannot find them in the calibration table;
1830                  * just accept the channel and the kernel will reject
1831                  * the channel list if it's wrong.
1832                  */
1833                 return 1;
1834         }
1835         /*
1836          * If this is a 1/2 or 1/4 width channel allow it if a full
1837          * width channel is present for this frequency, and the device
1838          * supports fractional channels on this band.  This is a hack
1839          * that avoids bloating the calibration table; it may be better
1840          * by per-band attributes though (we are effectively calculating
1841          * this attribute by scanning the channel list ourself).
1842          */
1843         if ((flags & (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER)) == 0)
1844                 return 0;
1845         if (chanlookup(avail->ic_chans, avail->ic_nchans, freq,
1846             flags &~ (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER)) == NULL)
1847                 return 0;
1848         if (flags & IEEE80211_CHAN_HALF) {
1849                 return chanfind(avail->ic_chans, avail->ic_nchans,
1850                     IEEE80211_CHAN_HALF |
1851                        (flags & (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ)));
1852         } else {
1853                 return chanfind(avail->ic_chans, avail->ic_nchans,
1854                     IEEE80211_CHAN_QUARTER |
1855                         (flags & (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ)));
1856         }
1857 }
1858
1859 static void
1860 regdomain_addchans(struct ieee80211req_chaninfo *ci,
1861         const netband_head *bands,
1862         const struct ieee80211_regdomain *reg,
1863         uint32_t chanFlags,
1864         const struct ieee80211req_chaninfo *avail)
1865 {
1866         const struct netband *nb;
1867         const struct freqband *b;
1868         struct ieee80211_channel *c, *prev;
1869         int freq, hi_adj, lo_adj, channelSep;
1870         uint32_t flags;
1871
1872         hi_adj = (chanFlags & IEEE80211_CHAN_HT40U) ? -20 : 0;
1873         lo_adj = (chanFlags & IEEE80211_CHAN_HT40D) ? 20 : 0;
1874         channelSep = (chanFlags & IEEE80211_CHAN_2GHZ) ? 0 : 40;
1875         LIST_FOREACH(nb, bands, next) {
1876                 b = nb->band;
1877                 if (verbose) {
1878                         printf("%s:", __func__);
1879                         printb(" chanFlags", chanFlags, IEEE80211_CHAN_BITS);
1880                         printb(" bandFlags", nb->flags | b->flags,
1881                             IEEE80211_CHAN_BITS);
1882                         putchar('\n');
1883                 }
1884                 prev = NULL;
1885                 for (freq = b->freqStart + lo_adj;
1886                      freq <= b->freqEnd + hi_adj; freq += b->chanSep) {
1887                         /*
1888                          * Construct flags for the new channel.  We take
1889                          * the attributes from the band descriptions except
1890                          * for HT40 which is enabled generically (i.e. +/-
1891                          * extension channel) in the band description and
1892                          * then constrained according by channel separation.
1893                          */
1894                         flags = nb->flags | b->flags;
1895                         if (flags & IEEE80211_CHAN_HT) {
1896                                 /*
1897                                  * HT channels are generated specially; we're
1898                                  * called to add HT20, HT40+, and HT40- chan's
1899                                  * so we need to expand only band specs for
1900                                  * the HT channel type being added.
1901                                  */
1902                                 if ((chanFlags & IEEE80211_CHAN_HT20) &&
1903                                     (flags & IEEE80211_CHAN_HT20) == 0) {
1904                                         if (verbose)
1905                                                 printf("%u: skip, not an "
1906                                                     "HT20 channel\n", freq);
1907                                         continue;
1908                                 }
1909                                 if ((chanFlags & IEEE80211_CHAN_HT40) &&
1910                                     (flags & IEEE80211_CHAN_HT40) == 0) {
1911                                         if (verbose)
1912                                                 printf("%u: skip, not an "
1913                                                     "HT40 channel\n", freq);
1914                                         continue;
1915                                 }
1916                                 /*
1917                                  * DFS and HT40 don't mix.  This should be
1918                                  * expressed in the regdomain database but
1919                                  * just in case enforce it here.
1920                                  */
1921                                 if ((chanFlags & IEEE80211_CHAN_HT40) &&
1922                                     (flags & IEEE80211_CHAN_DFS)) {
1923                                         if (verbose)
1924                                                 printf("%u: skip, HT40+DFS "
1925                                                     "not permitted\n", freq);
1926                                         continue;
1927                                 }
1928                                 /* NB: HT attribute comes from caller */
1929                                 flags &= ~IEEE80211_CHAN_HT;
1930                                 flags |= chanFlags & IEEE80211_CHAN_HT;
1931                         }
1932                         /*
1933                          * Check if device can operate on this frequency.
1934                          */
1935                         if (!checkchan(avail, freq, flags)) {
1936                                 if (verbose) {
1937                                         printf("%u: skip, ", freq);
1938                                         printb("flags", flags,
1939                                             IEEE80211_CHAN_BITS);
1940                                         printf(" not available\n");
1941                                 }
1942                                 continue;
1943                         }
1944                         if ((flags & REQ_ECM) && !reg->ecm) {
1945                                 if (verbose)
1946                                         printf("%u: skip, ECM channel\n", freq);
1947                                 continue;
1948                         }
1949                         if ((flags & REQ_INDOOR) && reg->location == 'O') {
1950                                 if (verbose)
1951                                         printf("%u: skip, indoor channel\n",
1952                                             freq);
1953                                 continue;
1954                         }
1955                         if ((flags & REQ_OUTDOOR) && reg->location == 'I') {
1956                                 if (verbose)
1957                                         printf("%u: skip, outdoor channel\n",
1958                                             freq);
1959                                 continue;
1960                         }
1961                         if ((flags & IEEE80211_CHAN_HT40) &&
1962                             prev != NULL && (freq - prev->ic_freq) < channelSep) {
1963                                 if (verbose)
1964                                         printf("%u: skip, only %u channel "
1965                                             "separation, need %d\n", freq, 
1966                                             freq - prev->ic_freq, channelSep);
1967                                 continue;
1968                         }
1969                         if (ci->ic_nchans == IEEE80211_CHAN_MAX) {
1970                                 if (verbose)
1971                                         printf("%u: skip, channel table full\n",
1972                                             freq);
1973                                 break;
1974                         }
1975                         c = &ci->ic_chans[ci->ic_nchans++];
1976                         memset(c, 0, sizeof(*c));
1977                         c->ic_freq = freq;
1978                         c->ic_flags = flags;
1979                         if (c->ic_flags & IEEE80211_CHAN_DFS)
1980                                 c->ic_maxregpower = nb->maxPowerDFS;
1981                         else
1982                                 c->ic_maxregpower = nb->maxPower;
1983                         if (verbose) {
1984                                 printf("[%3d] add freq %u ",
1985                                     ci->ic_nchans-1, c->ic_freq);
1986                                 printb("flags", c->ic_flags, IEEE80211_CHAN_BITS);
1987                                 printf(" power %u\n", c->ic_maxregpower);
1988                         }
1989                         /* NB: kernel fills in other fields */
1990                         prev = c;
1991                 }
1992         }
1993 }
1994
1995 static void
1996 regdomain_makechannels(
1997         struct ieee80211_regdomain_req *req,
1998         const struct ieee80211_devcaps_req *dc)
1999 {
2000         struct regdata *rdp = getregdata();
2001         const struct country *cc;
2002         const struct ieee80211_regdomain *reg = &req->rd;
2003         struct ieee80211req_chaninfo *ci = &req->chaninfo;
2004         const struct regdomain *rd;
2005
2006         /*
2007          * Locate construction table for new channel list.  We treat
2008          * the regdomain/SKU as definitive so a country can be in
2009          * multiple with different properties (e.g. US in FCC+FCC3).
2010          * If no regdomain is specified then we fallback on the country
2011          * code to find the associated regdomain since countries always
2012          * belong to at least one regdomain.
2013          */
2014         if (reg->regdomain == 0) {
2015                 cc = lib80211_country_findbycc(rdp, reg->country);
2016                 if (cc == NULL)
2017                         errx(1, "internal error, country %d not found",
2018                             reg->country);
2019                 rd = cc->rd;
2020         } else
2021                 rd = lib80211_regdomain_findbysku(rdp, reg->regdomain);
2022         if (rd == NULL)
2023                 errx(1, "internal error, regdomain %d not found",
2024                             reg->regdomain);
2025         if (rd->sku != SKU_DEBUG) {
2026                 /*
2027                  * regdomain_addchans incrememnts the channel count for
2028                  * each channel it adds so initialize ic_nchans to zero.
2029                  * Note that we know we have enough space to hold all possible
2030                  * channels because the devcaps list size was used to
2031                  * allocate our request.
2032                  */
2033                 ci->ic_nchans = 0;
2034                 if (!LIST_EMPTY(&rd->bands_11b))
2035                         regdomain_addchans(ci, &rd->bands_11b, reg,
2036                             IEEE80211_CHAN_B, &dc->dc_chaninfo);
2037                 if (!LIST_EMPTY(&rd->bands_11g))
2038                         regdomain_addchans(ci, &rd->bands_11g, reg,
2039                             IEEE80211_CHAN_G, &dc->dc_chaninfo);
2040                 if (!LIST_EMPTY(&rd->bands_11a))
2041                         regdomain_addchans(ci, &rd->bands_11a, reg,
2042                             IEEE80211_CHAN_A, &dc->dc_chaninfo);
2043                 if (!LIST_EMPTY(&rd->bands_11na) && dc->dc_htcaps != 0) {
2044                         regdomain_addchans(ci, &rd->bands_11na, reg,
2045                             IEEE80211_CHAN_A | IEEE80211_CHAN_HT20,
2046                             &dc->dc_chaninfo);
2047                         if (dc->dc_htcaps & IEEE80211_HTCAP_CHWIDTH40) {
2048                                 regdomain_addchans(ci, &rd->bands_11na, reg,
2049                                     IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U,
2050                                     &dc->dc_chaninfo);
2051                                 regdomain_addchans(ci, &rd->bands_11na, reg,
2052                                     IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D,
2053                                     &dc->dc_chaninfo);
2054                         }
2055                 }
2056                 if (!LIST_EMPTY(&rd->bands_11ng) && dc->dc_htcaps != 0) {
2057                         regdomain_addchans(ci, &rd->bands_11ng, reg,
2058                             IEEE80211_CHAN_G | IEEE80211_CHAN_HT20,
2059                             &dc->dc_chaninfo);
2060                         if (dc->dc_htcaps & IEEE80211_HTCAP_CHWIDTH40) {
2061                                 regdomain_addchans(ci, &rd->bands_11ng, reg,
2062                                     IEEE80211_CHAN_G | IEEE80211_CHAN_HT40U,
2063                                     &dc->dc_chaninfo);
2064                                 regdomain_addchans(ci, &rd->bands_11ng, reg,
2065                                     IEEE80211_CHAN_G | IEEE80211_CHAN_HT40D,
2066                                     &dc->dc_chaninfo);
2067                         }
2068                 }
2069                 qsort(ci->ic_chans, ci->ic_nchans, sizeof(ci->ic_chans[0]),
2070                     regdomain_sort);
2071         } else
2072                 memcpy(ci, &dc->dc_chaninfo,
2073                     IEEE80211_CHANINFO_SPACE(&dc->dc_chaninfo));
2074 }
2075
2076 static void
2077 list_countries(void)
2078 {
2079         struct regdata *rdp = getregdata();
2080         const struct country *cp;
2081         const struct regdomain *dp;
2082         int i;
2083
2084         i = 0;
2085         printf("\nCountry codes:\n");
2086         LIST_FOREACH(cp, &rdp->countries, next) {
2087                 printf("%2s %-15.15s%s", cp->isoname,
2088                     cp->name, ((i+1)%4) == 0 ? "\n" : " ");
2089                 i++;
2090         }
2091         i = 0;
2092         printf("\nRegulatory domains:\n");
2093         LIST_FOREACH(dp, &rdp->domains, next) {
2094                 printf("%-15.15s%s", dp->name, ((i+1)%4) == 0 ? "\n" : " ");
2095                 i++;
2096         }
2097         printf("\n");
2098 }
2099
2100 static void
2101 defaultcountry(const struct regdomain *rd)
2102 {
2103         struct regdata *rdp = getregdata();
2104         const struct country *cc;
2105
2106         cc = lib80211_country_findbycc(rdp, rd->cc->code);
2107         if (cc == NULL)
2108                 errx(1, "internal error, ISO country code %d not "
2109                     "defined for regdomain %s", rd->cc->code, rd->name);
2110         regdomain.country = cc->code;
2111         regdomain.isocc[0] = cc->isoname[0];
2112         regdomain.isocc[1] = cc->isoname[1];
2113 }
2114
2115 static
2116 DECL_CMD_FUNC(set80211regdomain, val, d)
2117 {
2118         struct regdata *rdp = getregdata();
2119         const struct regdomain *rd;
2120
2121         rd = lib80211_regdomain_findbyname(rdp, val);
2122         if (rd == NULL) {
2123                 char *eptr;
2124                 long sku = strtol(val, &eptr, 0);
2125
2126                 if (eptr != val)
2127                         rd = lib80211_regdomain_findbysku(rdp, sku);
2128                 if (eptr == val || rd == NULL)
2129                         errx(1, "unknown regdomain %s", val);
2130         }
2131         getregdomain(s);
2132         regdomain.regdomain = rd->sku;
2133         if (regdomain.country == 0 && rd->cc != NULL) {
2134                 /*
2135                  * No country code setup and there's a default
2136                  * one for this regdomain fill it in.
2137                  */
2138                 defaultcountry(rd);
2139         }
2140         callback_register(setregdomain_cb, &regdomain);
2141 }
2142
2143 static
2144 DECL_CMD_FUNC(set80211country, val, d)
2145 {
2146         struct regdata *rdp = getregdata();
2147         const struct country *cc;
2148
2149         cc = lib80211_country_findbyname(rdp, val);
2150         if (cc == NULL) {
2151                 char *eptr;
2152                 long code = strtol(val, &eptr, 0);
2153
2154                 if (eptr != val)
2155                         cc = lib80211_country_findbycc(rdp, code);
2156                 if (eptr == val || cc == NULL)
2157                         errx(1, "unknown ISO country code %s", val);
2158         }
2159         getregdomain(s);
2160         regdomain.regdomain = cc->rd->sku;
2161         regdomain.country = cc->code;
2162         regdomain.isocc[0] = cc->isoname[0];
2163         regdomain.isocc[1] = cc->isoname[1];
2164         callback_register(setregdomain_cb, &regdomain);
2165 }
2166
2167 static void
2168 set80211location(const char *val, int d, int s, const struct afswtch *rafp)
2169 {
2170         getregdomain(s);
2171         regdomain.location = d;
2172         callback_register(setregdomain_cb, &regdomain);
2173 }
2174
2175 static void
2176 set80211ecm(const char *val, int d, int s, const struct afswtch *rafp)
2177 {
2178         getregdomain(s);
2179         regdomain.ecm = d;
2180         callback_register(setregdomain_cb, &regdomain);
2181 }
2182
2183 static void
2184 LINE_INIT(char c)
2185 {
2186         spacer = c;
2187         if (c == '\t')
2188                 col = 8;
2189         else
2190                 col = 1;
2191 }
2192
2193 static void
2194 LINE_BREAK(void)
2195 {
2196         if (spacer != '\t') {
2197                 printf("\n");
2198                 spacer = '\t';
2199         }
2200         col = 8;                /* 8-col tab */
2201 }
2202
2203 static void
2204 LINE_CHECK(const char *fmt, ...)
2205 {
2206         char buf[80];
2207         va_list ap;
2208         int n;
2209
2210         va_start(ap, fmt);
2211         n = vsnprintf(buf+1, sizeof(buf)-1, fmt, ap);
2212         va_end(ap);
2213         col += 1+n;
2214         if (col > MAXCOL) {
2215                 LINE_BREAK();
2216                 col += n;
2217         }
2218         buf[0] = spacer;
2219         printf("%s", buf);
2220         spacer = ' ';
2221 }
2222
2223 static int
2224 getmaxrate(const uint8_t rates[15], uint8_t nrates)
2225 {
2226         int i, maxrate = -1;
2227
2228         for (i = 0; i < nrates; i++) {
2229                 int rate = rates[i] & IEEE80211_RATE_VAL;
2230                 if (rate > maxrate)
2231                         maxrate = rate;
2232         }
2233         return maxrate / 2;
2234 }
2235
2236 static const char *
2237 getcaps(int capinfo)
2238 {
2239         static char capstring[32];
2240         char *cp = capstring;
2241
2242         if (capinfo & IEEE80211_CAPINFO_ESS)
2243                 *cp++ = 'E';
2244         if (capinfo & IEEE80211_CAPINFO_IBSS)
2245                 *cp++ = 'I';
2246         if (capinfo & IEEE80211_CAPINFO_CF_POLLABLE)
2247                 *cp++ = 'c';
2248         if (capinfo & IEEE80211_CAPINFO_CF_POLLREQ)
2249                 *cp++ = 'C';
2250         if (capinfo & IEEE80211_CAPINFO_PRIVACY)
2251                 *cp++ = 'P';
2252         if (capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE)
2253                 *cp++ = 'S';
2254         if (capinfo & IEEE80211_CAPINFO_PBCC)
2255                 *cp++ = 'B';
2256         if (capinfo & IEEE80211_CAPINFO_CHNL_AGILITY)
2257                 *cp++ = 'A';
2258         if (capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME)
2259                 *cp++ = 's';
2260         if (capinfo & IEEE80211_CAPINFO_RSN)
2261                 *cp++ = 'R';
2262         if (capinfo & IEEE80211_CAPINFO_DSSSOFDM)
2263                 *cp++ = 'D';
2264         *cp = '\0';
2265         return capstring;
2266 }
2267
2268 static const char *
2269 getflags(int flags)
2270 {
2271         static char flagstring[32];
2272         char *cp = flagstring;
2273
2274         if (flags & IEEE80211_NODE_AUTH)
2275                 *cp++ = 'A';
2276         if (flags & IEEE80211_NODE_QOS)
2277                 *cp++ = 'Q';
2278         if (flags & IEEE80211_NODE_ERP)
2279                 *cp++ = 'E';
2280         if (flags & IEEE80211_NODE_PWR_MGT)
2281                 *cp++ = 'P';
2282         if (flags & IEEE80211_NODE_HT) {
2283                 *cp++ = 'H';
2284                 if (flags & IEEE80211_NODE_HTCOMPAT)
2285                         *cp++ = '+';
2286         }
2287         if (flags & IEEE80211_NODE_WPS)
2288                 *cp++ = 'W';
2289         if (flags & IEEE80211_NODE_TSN)
2290                 *cp++ = 'N';
2291         if (flags & IEEE80211_NODE_AMPDU_TX)
2292                 *cp++ = 'T';
2293         if (flags & IEEE80211_NODE_AMPDU_RX)
2294                 *cp++ = 'R';
2295         if (flags & IEEE80211_NODE_MIMO_PS) {
2296                 *cp++ = 'M';
2297                 if (flags & IEEE80211_NODE_MIMO_RTS)
2298                         *cp++ = '+';
2299         }
2300         if (flags & IEEE80211_NODE_RIFS)
2301                 *cp++ = 'I';
2302         *cp = '\0';
2303         return flagstring;
2304 }
2305
2306 static void
2307 printie(const char* tag, const uint8_t *ie, size_t ielen, int maxlen)
2308 {
2309         printf("%s", tag);
2310         if (verbose) {
2311                 maxlen -= strlen(tag)+2;
2312                 if (2*ielen > maxlen)
2313                         maxlen--;
2314                 printf("<");
2315                 for (; ielen > 0; ie++, ielen--) {
2316                         if (maxlen-- <= 0)
2317                                 break;
2318                         printf("%02x", *ie);
2319                 }
2320                 if (ielen != 0)
2321                         printf("-");
2322                 printf(">");
2323         }
2324 }
2325
2326 #define LE_READ_2(p)                                    \
2327         ((u_int16_t)                                    \
2328          ((((const u_int8_t *)(p))[0]      ) |          \
2329           (((const u_int8_t *)(p))[1] <<  8)))
2330 #define LE_READ_4(p)                                    \
2331         ((u_int32_t)                                    \
2332          ((((const u_int8_t *)(p))[0]      ) |          \
2333           (((const u_int8_t *)(p))[1] <<  8) |          \
2334           (((const u_int8_t *)(p))[2] << 16) |          \
2335           (((const u_int8_t *)(p))[3] << 24)))
2336
2337 /*
2338  * NB: The decoding routines assume a properly formatted ie
2339  *     which should be safe as the kernel only retains them
2340  *     if they parse ok.
2341  */
2342
2343 static void
2344 printwmeparam(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2345 {
2346 #define MS(_v, _f)      (((_v) & _f) >> _f##_S)
2347         static const char *acnames[] = { "BE", "BK", "VO", "VI" };
2348         const struct ieee80211_wme_param *wme =
2349             (const struct ieee80211_wme_param *) ie;
2350         int i;
2351
2352         printf("%s", tag);
2353         if (!verbose)
2354                 return;
2355         printf("<qosinfo 0x%x", wme->param_qosInfo);
2356         ie += offsetof(struct ieee80211_wme_param, params_acParams);
2357         for (i = 0; i < WME_NUM_AC; i++) {
2358                 const struct ieee80211_wme_acparams *ac =
2359                     &wme->params_acParams[i];
2360
2361                 printf(" %s[%saifsn %u cwmin %u cwmax %u txop %u]"
2362                         , acnames[i]
2363                         , MS(ac->acp_aci_aifsn, WME_PARAM_ACM) ? "acm " : ""
2364                         , MS(ac->acp_aci_aifsn, WME_PARAM_AIFSN)
2365                         , MS(ac->acp_logcwminmax, WME_PARAM_LOGCWMIN)
2366                         , MS(ac->acp_logcwminmax, WME_PARAM_LOGCWMAX)
2367                         , LE_READ_2(&ac->acp_txop)
2368                 );
2369         }
2370         printf(">");
2371 #undef MS
2372 }
2373
2374 static void
2375 printwmeinfo(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2376 {
2377         printf("%s", tag);
2378         if (verbose) {
2379                 const struct ieee80211_wme_info *wme =
2380                     (const struct ieee80211_wme_info *) ie;
2381                 printf("<version 0x%x info 0x%x>",
2382                     wme->wme_version, wme->wme_info);
2383         }
2384 }
2385
2386 static void
2387 printhtcap(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2388 {
2389         printf("%s", tag);
2390         if (verbose) {
2391                 const struct ieee80211_ie_htcap *htcap =
2392                     (const struct ieee80211_ie_htcap *) ie;
2393                 const char *sep;
2394                 int i, j;
2395
2396                 printf("<cap 0x%x param 0x%x",
2397                     LE_READ_2(&htcap->hc_cap), htcap->hc_param);
2398                 printf(" mcsset[");
2399                 sep = "";
2400                 for (i = 0; i < IEEE80211_HTRATE_MAXSIZE; i++)
2401                         if (isset(htcap->hc_mcsset, i)) {
2402                                 for (j = i+1; j < IEEE80211_HTRATE_MAXSIZE; j++)
2403                                         if (isclr(htcap->hc_mcsset, j))
2404                                                 break;
2405                                 j--;
2406                                 if (i == j)
2407                                         printf("%s%u", sep, i);
2408                                 else
2409                                         printf("%s%u-%u", sep, i, j);
2410                                 i += j-i;
2411                                 sep = ",";
2412                         }
2413                 printf("] extcap 0x%x txbf 0x%x antenna 0x%x>",
2414                     LE_READ_2(&htcap->hc_extcap),
2415                     LE_READ_4(&htcap->hc_txbf),
2416                     htcap->hc_antenna);
2417         }
2418 }
2419
2420 static void
2421 printhtinfo(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2422 {
2423         printf("%s", tag);
2424         if (verbose) {
2425                 const struct ieee80211_ie_htinfo *htinfo =
2426                     (const struct ieee80211_ie_htinfo *) ie;
2427                 const char *sep;
2428                 int i, j;
2429
2430                 printf("<ctl %u, %x,%x,%x,%x", htinfo->hi_ctrlchannel,
2431                     htinfo->hi_byte1, htinfo->hi_byte2, htinfo->hi_byte3,
2432                     LE_READ_2(&htinfo->hi_byte45));
2433                 printf(" basicmcs[");
2434                 sep = "";
2435                 for (i = 0; i < IEEE80211_HTRATE_MAXSIZE; i++)
2436                         if (isset(htinfo->hi_basicmcsset, i)) {
2437                                 for (j = i+1; j < IEEE80211_HTRATE_MAXSIZE; j++)
2438                                         if (isclr(htinfo->hi_basicmcsset, j))
2439                                                 break;
2440                                 j--;
2441                                 if (i == j)
2442                                         printf("%s%u", sep, i);
2443                                 else
2444                                         printf("%s%u-%u", sep, i, j);
2445                                 i += j-i;
2446                                 sep = ",";
2447                         }
2448                 printf("]>");
2449         }
2450 }
2451
2452 static void
2453 printathie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2454 {
2455
2456         printf("%s", tag);
2457         if (verbose) {
2458                 const struct ieee80211_ath_ie *ath =
2459                         (const struct ieee80211_ath_ie *)ie;
2460
2461                 printf("<");
2462                 if (ath->ath_capability & ATHEROS_CAP_TURBO_PRIME)
2463                         printf("DTURBO,");
2464                 if (ath->ath_capability & ATHEROS_CAP_COMPRESSION)
2465                         printf("COMP,");
2466                 if (ath->ath_capability & ATHEROS_CAP_FAST_FRAME)
2467                         printf("FF,");
2468                 if (ath->ath_capability & ATHEROS_CAP_XR)
2469                         printf("XR,");
2470                 if (ath->ath_capability & ATHEROS_CAP_AR)
2471                         printf("AR,");
2472                 if (ath->ath_capability & ATHEROS_CAP_BURST)
2473                         printf("BURST,");
2474                 if (ath->ath_capability & ATHEROS_CAP_WME)
2475                         printf("WME,");
2476                 if (ath->ath_capability & ATHEROS_CAP_BOOST)
2477                         printf("BOOST,");
2478                 printf("0x%x>", LE_READ_2(ath->ath_defkeyix));
2479         }
2480 }
2481
2482 static const char *
2483 wpa_cipher(const u_int8_t *sel)
2484 {
2485 #define WPA_SEL(x)      (((x)<<24)|WPA_OUI)
2486         u_int32_t w = LE_READ_4(sel);
2487
2488         switch (w) {
2489         case WPA_SEL(WPA_CSE_NULL):
2490                 return "NONE";
2491         case WPA_SEL(WPA_CSE_WEP40):
2492                 return "WEP40";
2493         case WPA_SEL(WPA_CSE_WEP104):
2494                 return "WEP104";
2495         case WPA_SEL(WPA_CSE_TKIP):
2496                 return "TKIP";
2497         case WPA_SEL(WPA_CSE_CCMP):
2498                 return "AES-CCMP";
2499         }
2500         return "?";             /* NB: so 1<< is discarded */
2501 #undef WPA_SEL
2502 }
2503
2504 static const char *
2505 wpa_keymgmt(const u_int8_t *sel)
2506 {
2507 #define WPA_SEL(x)      (((x)<<24)|WPA_OUI)
2508         u_int32_t w = LE_READ_4(sel);
2509
2510         switch (w) {
2511         case WPA_SEL(WPA_ASE_8021X_UNSPEC):
2512                 return "8021X-UNSPEC";
2513         case WPA_SEL(WPA_ASE_8021X_PSK):
2514                 return "8021X-PSK";
2515         case WPA_SEL(WPA_ASE_NONE):
2516                 return "NONE";
2517         }
2518         return "?";
2519 #undef WPA_SEL
2520 }
2521
2522 static void
2523 printwpaie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2524 {
2525         u_int8_t len = ie[1];
2526
2527         printf("%s", tag);
2528         if (verbose) {
2529                 const char *sep;
2530                 int n;
2531
2532                 ie += 6, len -= 4;              /* NB: len is payload only */
2533
2534                 printf("<v%u", LE_READ_2(ie));
2535                 ie += 2, len -= 2;
2536
2537                 printf(" mc:%s", wpa_cipher(ie));
2538                 ie += 4, len -= 4;
2539
2540                 /* unicast ciphers */
2541                 n = LE_READ_2(ie);
2542                 ie += 2, len -= 2;
2543                 sep = " uc:";
2544                 for (; n > 0; n--) {
2545                         printf("%s%s", sep, wpa_cipher(ie));
2546                         ie += 4, len -= 4;
2547                         sep = "+";
2548                 }
2549
2550                 /* key management algorithms */
2551                 n = LE_READ_2(ie);
2552                 ie += 2, len -= 2;
2553                 sep = " km:";
2554                 for (; n > 0; n--) {
2555                         printf("%s%s", sep, wpa_keymgmt(ie));
2556                         ie += 4, len -= 4;
2557                         sep = "+";
2558                 }
2559
2560                 if (len > 2)            /* optional capabilities */
2561                         printf(", caps 0x%x", LE_READ_2(ie));
2562                 printf(">");
2563         }
2564 }
2565
2566 static const char *
2567 rsn_cipher(const u_int8_t *sel)
2568 {
2569 #define RSN_SEL(x)      (((x)<<24)|RSN_OUI)
2570         u_int32_t w = LE_READ_4(sel);
2571
2572         switch (w) {
2573         case RSN_SEL(RSN_CSE_NULL):
2574                 return "NONE";
2575         case RSN_SEL(RSN_CSE_WEP40):
2576                 return "WEP40";
2577         case RSN_SEL(RSN_CSE_WEP104):
2578                 return "WEP104";
2579         case RSN_SEL(RSN_CSE_TKIP):
2580                 return "TKIP";
2581         case RSN_SEL(RSN_CSE_CCMP):
2582                 return "AES-CCMP";
2583         case RSN_SEL(RSN_CSE_WRAP):
2584                 return "AES-OCB";
2585         }
2586         return "?";
2587 #undef WPA_SEL
2588 }
2589
2590 static const char *
2591 rsn_keymgmt(const u_int8_t *sel)
2592 {
2593 #define RSN_SEL(x)      (((x)<<24)|RSN_OUI)
2594         u_int32_t w = LE_READ_4(sel);
2595
2596         switch (w) {
2597         case RSN_SEL(RSN_ASE_8021X_UNSPEC):
2598                 return "8021X-UNSPEC";
2599         case RSN_SEL(RSN_ASE_8021X_PSK):
2600                 return "8021X-PSK";
2601         case RSN_SEL(RSN_ASE_NONE):
2602                 return "NONE";
2603         }
2604         return "?";
2605 #undef RSN_SEL
2606 }
2607
2608 static void
2609 printrsnie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2610 {
2611         printf("%s", tag);
2612         if (verbose) {
2613                 const char *sep;
2614                 int n;
2615
2616                 ie += 2, ielen -= 2;
2617
2618                 printf("<v%u", LE_READ_2(ie));
2619                 ie += 2, ielen -= 2;
2620
2621                 printf(" mc:%s", rsn_cipher(ie));
2622                 ie += 4, ielen -= 4;
2623
2624                 /* unicast ciphers */
2625                 n = LE_READ_2(ie);
2626                 ie += 2, ielen -= 2;
2627                 sep = " uc:";
2628                 for (; n > 0; n--) {
2629                         printf("%s%s", sep, rsn_cipher(ie));
2630                         ie += 4, ielen -= 4;
2631                         sep = "+";
2632                 }
2633
2634                 /* key management algorithms */
2635                 n = LE_READ_2(ie);
2636                 ie += 2, ielen -= 2;
2637                 sep = " km:";
2638                 for (; n > 0; n--) {
2639                         printf("%s%s", sep, rsn_keymgmt(ie));
2640                         ie += 4, ielen -= 4;
2641                         sep = "+";
2642                 }
2643
2644                 if (ielen > 2)          /* optional capabilities */
2645                         printf(", caps 0x%x", LE_READ_2(ie));
2646                 /* XXXPMKID */
2647                 printf(">");
2648         }
2649 }
2650
2651 /* XXX move to a public include file */
2652 #define IEEE80211_WPS_DEV_PASS_ID       0x1012
2653 #define IEEE80211_WPS_SELECTED_REG      0x1041
2654 #define IEEE80211_WPS_SETUP_STATE       0x1044
2655 #define IEEE80211_WPS_UUID_E            0x1047
2656 #define IEEE80211_WPS_VERSION           0x104a
2657
2658 #define BE_READ_2(p)                                    \
2659         ((u_int16_t)                                    \
2660          ((((const u_int8_t *)(p))[1]      ) |          \
2661           (((const u_int8_t *)(p))[0] <<  8)))
2662
2663 static void
2664 printwpsie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2665 {
2666 #define N(a)    (sizeof(a) / sizeof(a[0]))
2667         u_int8_t len = ie[1];
2668
2669         printf("%s", tag);
2670         if (verbose) {
2671                 static const char *dev_pass_id[] = {
2672                         "D",    /* Default (PIN) */
2673                         "U",    /* User-specified */
2674                         "M",    /* Machine-specified */
2675                         "K",    /* Rekey */
2676                         "P",    /* PushButton */
2677                         "R"     /* Registrar-specified */
2678                 };
2679                 int n;
2680
2681                 ie +=6, len -= 4;               /* NB: len is payload only */
2682
2683                 /* WPS IE in Beacon and Probe Resp frames have different fields */
2684                 printf("<");
2685                 while (len) {
2686                         uint16_t tlv_type = BE_READ_2(ie);
2687                         uint16_t tlv_len  = BE_READ_2(ie + 2);
2688
2689                         ie += 4, len -= 4;
2690
2691                         switch (tlv_type) {
2692                         case IEEE80211_WPS_VERSION:
2693                                 printf("v:%d.%d", *ie >> 4, *ie & 0xf);
2694                                 break;
2695                         case IEEE80211_WPS_SETUP_STATE:
2696                                 /* Only 1 and 2 are valid */
2697                                 if (*ie == 0 || *ie >= 3)
2698                                         printf(" state:B");
2699                                 else
2700                                         printf(" st:%s", *ie == 1 ? "N" : "C");
2701                                 break;
2702                         case IEEE80211_WPS_SELECTED_REG:
2703                                 printf(" sel:%s", *ie ? "T" : "F");
2704                                 break;
2705                         case IEEE80211_WPS_DEV_PASS_ID:
2706                                 n = LE_READ_2(ie);
2707                                 if (n < N(dev_pass_id))
2708                                         printf(" dpi:%s", dev_pass_id[n]);
2709                                 break;
2710                         case IEEE80211_WPS_UUID_E:
2711                                 printf(" uuid-e:");
2712                                 for (n = 0; n < (tlv_len - 1); n++)
2713                                         printf("%02x-", ie[n]);
2714                                 printf("%02x", ie[n]);
2715                                 break;
2716                         }
2717                         ie += tlv_len, len -= tlv_len;
2718                 }
2719                 printf(">");
2720         }
2721 #undef N
2722 }
2723
2724 static void
2725 printtdmaie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2726 {
2727         printf("%s", tag);
2728         if (verbose && ielen >= sizeof(struct ieee80211_tdma_param)) {
2729                 const struct ieee80211_tdma_param *tdma =
2730                    (const struct ieee80211_tdma_param *) ie;
2731
2732                 /* XXX tstamp */
2733                 printf("<v%u slot:%u slotcnt:%u slotlen:%u bintval:%u inuse:0x%x>",
2734                     tdma->tdma_version, tdma->tdma_slot, tdma->tdma_slotcnt,
2735                     LE_READ_2(&tdma->tdma_slotlen), tdma->tdma_bintval,
2736                     tdma->tdma_inuse[0]);
2737         }
2738 }
2739
2740 /*
2741  * Copy the ssid string contents into buf, truncating to fit.  If the
2742  * ssid is entirely printable then just copy intact.  Otherwise convert
2743  * to hexadecimal.  If the result is truncated then replace the last
2744  * three characters with "...".
2745  */
2746 static int
2747 copy_essid(char buf[], size_t bufsize, const u_int8_t *essid, size_t essid_len)
2748 {
2749         const u_int8_t *p; 
2750         size_t maxlen;
2751         int i;
2752
2753         if (essid_len > bufsize)
2754                 maxlen = bufsize;
2755         else
2756                 maxlen = essid_len;
2757         /* determine printable or not */
2758         for (i = 0, p = essid; i < maxlen; i++, p++) {
2759                 if (*p < ' ' || *p > 0x7e)
2760                         break;
2761         }
2762         if (i != maxlen) {              /* not printable, print as hex */
2763                 if (bufsize < 3)
2764                         return 0;
2765                 strlcpy(buf, "0x", bufsize);
2766                 bufsize -= 2;
2767                 p = essid;
2768                 for (i = 0; i < maxlen && bufsize >= 2; i++) {
2769                         sprintf(&buf[2+2*i], "%02x", p[i]);
2770                         bufsize -= 2;
2771                 }
2772                 if (i != essid_len)
2773                         memcpy(&buf[2+2*i-3], "...", 3);
2774         } else {                        /* printable, truncate as needed */
2775                 memcpy(buf, essid, maxlen);
2776                 if (maxlen != essid_len)
2777                         memcpy(&buf[maxlen-3], "...", 3);
2778         }
2779         return maxlen;
2780 }
2781
2782 static void
2783 printssid(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2784 {
2785         char ssid[2*IEEE80211_NWID_LEN+1];
2786
2787         printf("%s<%.*s>", tag, copy_essid(ssid, maxlen, ie+2, ie[1]), ssid);
2788 }
2789
2790 static void
2791 printrates(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2792 {
2793         const char *sep;
2794         int i;
2795
2796         printf("%s", tag);
2797         sep = "<";
2798         for (i = 2; i < ielen; i++) {
2799                 printf("%s%s%d", sep,
2800                     ie[i] & IEEE80211_RATE_BASIC ? "B" : "",
2801                     ie[i] & IEEE80211_RATE_VAL);
2802                 sep = ",";
2803         }
2804         printf(">");
2805 }
2806
2807 static void
2808 printcountry(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2809 {
2810         const struct ieee80211_country_ie *cie =
2811            (const struct ieee80211_country_ie *) ie;
2812         int i, nbands, schan, nchan;
2813
2814         printf("%s<%c%c%c", tag, cie->cc[0], cie->cc[1], cie->cc[2]);
2815         nbands = (cie->len - 3) / sizeof(cie->band[0]);
2816         for (i = 0; i < nbands; i++) {
2817                 schan = cie->band[i].schan;
2818                 nchan = cie->band[i].nchan;
2819                 if (nchan != 1)
2820                         printf(" %u-%u,%u", schan, schan + nchan-1,
2821                             cie->band[i].maxtxpwr);
2822                 else
2823                         printf(" %u,%u", schan, cie->band[i].maxtxpwr);
2824         }
2825         printf(">");
2826 }
2827
2828 /* unaligned little endian access */     
2829 #define LE_READ_4(p)                                    \
2830         ((u_int32_t)                                    \
2831          ((((const u_int8_t *)(p))[0]      ) |          \
2832           (((const u_int8_t *)(p))[1] <<  8) |          \
2833           (((const u_int8_t *)(p))[2] << 16) |          \
2834           (((const u_int8_t *)(p))[3] << 24)))
2835
2836 static __inline int
2837 iswpaoui(const u_int8_t *frm)
2838 {
2839         return frm[1] > 3 && LE_READ_4(frm+2) == ((WPA_OUI_TYPE<<24)|WPA_OUI);
2840 }
2841
2842 static __inline int
2843 iswmeinfo(const u_int8_t *frm)
2844 {
2845         return frm[1] > 5 && LE_READ_4(frm+2) == ((WME_OUI_TYPE<<24)|WME_OUI) &&
2846                 frm[6] == WME_INFO_OUI_SUBTYPE;
2847 }
2848
2849 static __inline int
2850 iswmeparam(const u_int8_t *frm)
2851 {
2852         return frm[1] > 5 && LE_READ_4(frm+2) == ((WME_OUI_TYPE<<24)|WME_OUI) &&
2853                 frm[6] == WME_PARAM_OUI_SUBTYPE;
2854 }
2855
2856 static __inline int
2857 isatherosoui(const u_int8_t *frm)
2858 {
2859         return frm[1] > 3 && LE_READ_4(frm+2) == ((ATH_OUI_TYPE<<24)|ATH_OUI);
2860 }
2861
2862 static __inline int
2863 istdmaoui(const uint8_t *frm)
2864 {
2865         return frm[1] > 3 && LE_READ_4(frm+2) == ((TDMA_OUI_TYPE<<24)|TDMA_OUI);
2866 }
2867
2868 static __inline int
2869 iswpsoui(const uint8_t *frm)
2870 {
2871         return frm[1] > 3 && LE_READ_4(frm+2) == ((WPS_OUI_TYPE<<24)|WPA_OUI);
2872 }
2873
2874 static const char *
2875 iename(int elemid)
2876 {
2877         switch (elemid) {
2878         case IEEE80211_ELEMID_FHPARMS:  return " FHPARMS";
2879         case IEEE80211_ELEMID_CFPARMS:  return " CFPARMS";
2880         case IEEE80211_ELEMID_TIM:      return " TIM";
2881         case IEEE80211_ELEMID_IBSSPARMS:return " IBSSPARMS";
2882         case IEEE80211_ELEMID_CHALLENGE:return " CHALLENGE";
2883         case IEEE80211_ELEMID_PWRCNSTR: return " PWRCNSTR";
2884         case IEEE80211_ELEMID_PWRCAP:   return " PWRCAP";
2885         case IEEE80211_ELEMID_TPCREQ:   return " TPCREQ";
2886         case IEEE80211_ELEMID_TPCREP:   return " TPCREP";
2887         case IEEE80211_ELEMID_SUPPCHAN: return " SUPPCHAN";
2888         case IEEE80211_ELEMID_CHANSWITCHANN:return " CSA";
2889         case IEEE80211_ELEMID_MEASREQ:  return " MEASREQ";
2890         case IEEE80211_ELEMID_MEASREP:  return " MEASREP";
2891         case IEEE80211_ELEMID_QUIET:    return " QUIET";
2892         case IEEE80211_ELEMID_IBSSDFS:  return " IBSSDFS";
2893         case IEEE80211_ELEMID_TPC:      return " TPC";
2894         case IEEE80211_ELEMID_CCKM:     return " CCKM";
2895         }
2896         return " ???";
2897 }
2898
2899 static void
2900 printies(const u_int8_t *vp, int ielen, int maxcols)
2901 {
2902         while (ielen > 0) {
2903                 switch (vp[0]) {
2904                 case IEEE80211_ELEMID_SSID:
2905                         if (verbose)
2906                                 printssid(" SSID", vp, 2+vp[1], maxcols);
2907                         break;
2908                 case IEEE80211_ELEMID_RATES:
2909                 case IEEE80211_ELEMID_XRATES:
2910                         if (verbose)
2911                                 printrates(vp[0] == IEEE80211_ELEMID_RATES ?
2912                                     " RATES" : " XRATES", vp, 2+vp[1], maxcols);
2913                         break;
2914                 case IEEE80211_ELEMID_DSPARMS:
2915                         if (verbose)
2916                                 printf(" DSPARMS<%u>", vp[2]);
2917                         break;
2918                 case IEEE80211_ELEMID_COUNTRY:
2919                         if (verbose)
2920                                 printcountry(" COUNTRY", vp, 2+vp[1], maxcols);
2921                         break;
2922                 case IEEE80211_ELEMID_ERP:
2923                         if (verbose)
2924                                 printf(" ERP<0x%x>", vp[2]);
2925                         break;
2926                 case IEEE80211_ELEMID_VENDOR:
2927                         if (iswpaoui(vp))
2928                                 printwpaie(" WPA", vp, 2+vp[1], maxcols);
2929                         else if (iswmeinfo(vp))
2930                                 printwmeinfo(" WME", vp, 2+vp[1], maxcols);
2931                         else if (iswmeparam(vp))
2932                                 printwmeparam(" WME", vp, 2+vp[1], maxcols);
2933                         else if (isatherosoui(vp))
2934                                 printathie(" ATH", vp, 2+vp[1], maxcols);
2935                         else if (iswpsoui(vp))
2936                                 printwpsie(" WPS", vp, 2+vp[1], maxcols);
2937                         else if (istdmaoui(vp))
2938                                 printtdmaie(" TDMA", vp, 2+vp[1], maxcols);
2939                         else if (verbose)
2940                                 printie(" VEN", vp, 2+vp[1], maxcols);
2941                         break;
2942                 case IEEE80211_ELEMID_RSN:
2943                         printrsnie(" RSN", vp, 2+vp[1], maxcols);
2944                         break;
2945                 case IEEE80211_ELEMID_HTCAP:
2946                         printhtcap(" HTCAP", vp, 2+vp[1], maxcols);
2947                         break;
2948                 case IEEE80211_ELEMID_HTINFO:
2949                         if (verbose)
2950                                 printhtinfo(" HTINFO", vp, 2+vp[1], maxcols);
2951                         break;
2952                 default:
2953                         if (verbose)
2954                                 printie(iename(vp[0]), vp, 2+vp[1], maxcols);
2955                         break;
2956                 }
2957                 ielen -= 2+vp[1];
2958                 vp += 2+vp[1];
2959         }
2960 }
2961
2962 static void
2963 printmimo(const struct ieee80211_mimo_info *mi)
2964 {
2965         /* NB: don't muddy display unless there's something to show */
2966         if (mi->rssi[0] != 0 || mi->rssi[1] != 0 || mi->rssi[2] != 0) {
2967                 /* XXX ignore EVM for now */
2968                 printf(" (rssi %d:%d:%d nf %d:%d:%d)",
2969                     mi->rssi[0], mi->rssi[1], mi->rssi[2],
2970                     mi->noise[0], mi->noise[1], mi->noise[2]);
2971         }
2972 }
2973
2974 static void
2975 list_scan(int s)
2976 {
2977         uint8_t buf[24*1024];
2978         char ssid[IEEE80211_NWID_LEN+1];
2979         const uint8_t *cp;
2980         int len, ssidmax;
2981
2982         if (get80211len(s, IEEE80211_IOC_SCAN_RESULTS, buf, sizeof(buf), &len) < 0)
2983                 errx(1, "unable to get scan results");
2984         if (len < sizeof(struct ieee80211req_scan_result))
2985                 return;
2986
2987         getchaninfo(s);
2988
2989         ssidmax = verbose ? IEEE80211_NWID_LEN : 14;
2990         printf("%-*.*s  %-17.17s  %4s %4s  %-7s  %3s %4s\n"
2991                 , ssidmax, ssidmax, "SSID"
2992                 , "BSSID"
2993                 , "CHAN"
2994                 , "RATE"
2995                 , " S:N"
2996                 , "INT"
2997                 , "CAPS"
2998         );
2999         cp = buf;
3000         do {
3001                 const struct ieee80211req_scan_result *sr;
3002                 const uint8_t *vp;
3003
3004                 sr = (const struct ieee80211req_scan_result *) cp;
3005                 vp = cp + sr->isr_ie_off;
3006                 printf("%-*.*s  %s  %3d  %3dM %3d:%-3d  %3d %-4.4s"
3007                         , ssidmax
3008                           , copy_essid(ssid, ssidmax, vp, sr->isr_ssid_len)
3009                           , ssid
3010                         , ether_ntoa((const struct ether_addr *) sr->isr_bssid)
3011                         , ieee80211_mhz2ieee(sr->isr_freq, sr->isr_flags)
3012                         , getmaxrate(sr->isr_rates, sr->isr_nrates)
3013                         , (sr->isr_rssi/2)+sr->isr_noise, sr->isr_noise
3014                         , sr->isr_intval
3015                         , getcaps(sr->isr_capinfo)
3016                 );
3017                 printies(vp + sr->isr_ssid_len, sr->isr_ie_len, 24);
3018                 printf("\n");
3019                 cp += sr->isr_len, len -= sr->isr_len;
3020         } while (len >= sizeof(struct ieee80211req_scan_result));
3021 }
3022
3023 #ifdef __FreeBSD__
3024 #include <net80211/ieee80211_freebsd.h>
3025 #endif
3026 #ifdef __NetBSD__
3027 #include <net80211/ieee80211_netbsd.h>
3028 #endif
3029
3030 static void
3031 scan_and_wait(int s)
3032 {
3033         struct ieee80211_scan_req sr;
3034         struct ieee80211req ireq;
3035         int sroute;
3036
3037         sroute = socket(PF_ROUTE, SOCK_RAW, 0);
3038         if (sroute < 0) {
3039                 perror("socket(PF_ROUTE,SOCK_RAW)");
3040                 return;
3041         }
3042         (void) memset(&ireq, 0, sizeof(ireq));
3043         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
3044         ireq.i_type = IEEE80211_IOC_SCAN_REQ;
3045
3046         memset(&sr, 0, sizeof(sr));
3047         sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE
3048                     | IEEE80211_IOC_SCAN_NOPICK
3049                     | IEEE80211_IOC_SCAN_ONCE;
3050         sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER;
3051         sr.sr_nssid = 0;
3052
3053         ireq.i_data = &sr;
3054         ireq.i_len = sizeof(sr);
3055         /* NB: only root can trigger a scan so ignore errors */
3056         if (ioctl(s, SIOCS80211, &ireq) >= 0) {
3057                 char buf[2048];
3058                 struct if_announcemsghdr *ifan;
3059                 struct rt_msghdr *rtm;
3060
3061                 do {
3062                         if (read(sroute, buf, sizeof(buf)) < 0) {
3063                                 perror("read(PF_ROUTE)");
3064                                 break;
3065                         }
3066                         rtm = (struct rt_msghdr *) buf;
3067                         if (rtm->rtm_version != RTM_VERSION)
3068                                 break;
3069                         ifan = (struct if_announcemsghdr *) rtm;
3070                 } while (rtm->rtm_type != RTM_IEEE80211 ||
3071                     ifan->ifan_what != RTM_IEEE80211_SCAN);
3072         }
3073         close(sroute);
3074 }
3075
3076 static
3077 DECL_CMD_FUNC(set80211scan, val, d)
3078 {
3079         scan_and_wait(s);
3080         list_scan(s);
3081 }
3082
3083 static enum ieee80211_opmode get80211opmode(int s);
3084
3085 static int
3086 gettxseq(const struct ieee80211req_sta_info *si)
3087 {
3088 #define IEEE80211_NODE_QOS      0x0002          /* QoS enabled */
3089
3090         int i, txseq;
3091
3092         if ((si->isi_state & IEEE80211_NODE_QOS) == 0)
3093                 return si->isi_txseqs[0];
3094         /* XXX not right but usually what folks want */
3095         txseq = 0;
3096         for (i = 0; i < IEEE80211_TID_SIZE; i++)
3097                 if (si->isi_txseqs[i] > txseq)
3098                         txseq = si->isi_txseqs[i];
3099         return txseq;
3100 #undef IEEE80211_NODE_QOS
3101 }
3102
3103 static int
3104 getrxseq(const struct ieee80211req_sta_info *si)
3105 {
3106 #define IEEE80211_NODE_QOS      0x0002          /* QoS enabled */
3107
3108         int i, rxseq;
3109
3110         if ((si->isi_state & IEEE80211_NODE_QOS) == 0)
3111                 return si->isi_rxseqs[0];
3112         /* XXX not right but usually what folks want */
3113         rxseq = 0;
3114         for (i = 0; i < IEEE80211_TID_SIZE; i++)
3115                 if (si->isi_rxseqs[i] > rxseq)
3116                         rxseq = si->isi_rxseqs[i];
3117         return rxseq;
3118 #undef IEEE80211_NODE_QOS
3119 }
3120
3121 static void
3122 list_stations(int s)
3123 {
3124         union {
3125                 struct ieee80211req_sta_req req;
3126                 uint8_t buf[24*1024];
3127         } u;
3128         enum ieee80211_opmode opmode = get80211opmode(s);
3129         const uint8_t *cp;
3130         int len;
3131
3132         /* broadcast address =>'s get all stations */
3133         (void) memset(u.req.is_u.macaddr, 0xff, IEEE80211_ADDR_LEN);
3134         if (opmode == IEEE80211_M_STA) {
3135                 /*
3136                  * Get information about the associated AP.
3137                  */
3138                 (void) get80211(s, IEEE80211_IOC_BSSID,
3139                     u.req.is_u.macaddr, IEEE80211_ADDR_LEN);
3140         }
3141         if (get80211len(s, IEEE80211_IOC_STA_INFO, &u, sizeof(u), &len) < 0)
3142                 errx(1, "unable to get station information");
3143         if (len < sizeof(struct ieee80211req_sta_info))
3144                 return;
3145
3146         getchaninfo(s);
3147
3148         printf("%-17.17s %4s %4s %4s %4s %4s %6s %6s %4s %4s\n"
3149                 , "ADDR"
3150                 , "AID"
3151                 , "CHAN"
3152                 , "RATE"
3153                 , "RSSI"
3154                 , "IDLE"
3155                 , "TXSEQ"
3156                 , "RXSEQ"
3157                 , "CAPS"
3158                 , "FLAG"
3159         );
3160         cp = (const uint8_t *) u.req.info;
3161         do {
3162                 const struct ieee80211req_sta_info *si;
3163
3164                 si = (const struct ieee80211req_sta_info *) cp;
3165                 if (si->isi_len < sizeof(*si))
3166                         break;
3167                 printf("%s %4u %4d %3dM %3.1f %4d %6d %6d %-4.4s %-4.4s"
3168                         , ether_ntoa((const struct ether_addr*) si->isi_macaddr)
3169                         , IEEE80211_AID(si->isi_associd)
3170                         , ieee80211_mhz2ieee(si->isi_freq, si->isi_flags)
3171                         , si->isi_txmbps/2
3172                         , si->isi_rssi/2.
3173                         , si->isi_inact
3174                         , gettxseq(si)
3175                         , getrxseq(si)
3176                         , getcaps(si->isi_capinfo)
3177                         , getflags(si->isi_state)
3178                 );
3179                 printies(cp + si->isi_ie_off, si->isi_ie_len, 24);
3180                 printmimo(&si->isi_mimo);
3181                 printf("\n");
3182                 cp += si->isi_len, len -= si->isi_len;
3183         } while (len >= sizeof(struct ieee80211req_sta_info));
3184 }
3185
3186 static const char *
3187 get_chaninfo(const struct ieee80211_channel *c, int precise,
3188         char buf[], size_t bsize)
3189 {
3190         buf[0] = '\0';
3191         if (IEEE80211_IS_CHAN_FHSS(c))
3192                 strlcat(buf, " FHSS", bsize);
3193         if (IEEE80211_IS_CHAN_A(c))
3194                 strlcat(buf, " 11a", bsize);
3195         else if (IEEE80211_IS_CHAN_ANYG(c))
3196                 strlcat(buf, " 11g", bsize);
3197         else if (IEEE80211_IS_CHAN_B(c))
3198                 strlcat(buf, " 11b", bsize);
3199         if (IEEE80211_IS_CHAN_HALF(c))
3200                 strlcat(buf, "/10Mhz", bsize);
3201         if (IEEE80211_IS_CHAN_QUARTER(c))
3202                 strlcat(buf, "/5Mhz", bsize);
3203         if (IEEE80211_IS_CHAN_TURBO(c))
3204                 strlcat(buf, " Turbo", bsize);
3205         if (precise) {
3206                 if (IEEE80211_IS_CHAN_HT20(c))
3207                         strlcat(buf, " ht/20", bsize);
3208                 else if (IEEE80211_IS_CHAN_HT40D(c))
3209                         strlcat(buf, " ht/40-", bsize);
3210                 else if (IEEE80211_IS_CHAN_HT40U(c))
3211                         strlcat(buf, " ht/40+", bsize);
3212         } else {
3213                 if (IEEE80211_IS_CHAN_HT(c))
3214                         strlcat(buf, " ht", bsize);
3215         }
3216         return buf;
3217 }
3218
3219 static void
3220 print_chaninfo(const struct ieee80211_channel *c, int verb)
3221 {
3222         char buf[14];
3223
3224         printf("Channel %3u : %u%c Mhz%-14.14s",
3225                 ieee80211_mhz2ieee(c->ic_freq, c->ic_flags), c->ic_freq,
3226                 IEEE80211_IS_CHAN_PASSIVE(c) ? '*' : ' ',
3227                 get_chaninfo(c, verb, buf, sizeof(buf)));
3228 }
3229
3230 static int
3231 chanpref(const struct ieee80211_channel *c)
3232 {
3233         if (IEEE80211_IS_CHAN_HT40(c))
3234                 return 40;
3235         if (IEEE80211_IS_CHAN_HT20(c))
3236                 return 30;
3237         if (IEEE80211_IS_CHAN_HALF(c))
3238                 return 10;
3239         if (IEEE80211_IS_CHAN_QUARTER(c))
3240                 return 5;
3241         if (IEEE80211_IS_CHAN_TURBO(c))
3242                 return 25;
3243         if (IEEE80211_IS_CHAN_A(c))
3244                 return 20;
3245         if (IEEE80211_IS_CHAN_G(c))
3246                 return 20;
3247         if (IEEE80211_IS_CHAN_B(c))
3248                 return 15;
3249         if (IEEE80211_IS_CHAN_PUREG(c))
3250                 return 15;
3251         return 0;
3252 }
3253
3254 static void
3255 print_channels(int s, const struct ieee80211req_chaninfo *chans,
3256         int allchans, int verb)
3257 {
3258         struct ieee80211req_chaninfo *achans;
3259         uint8_t reported[IEEE80211_CHAN_BYTES];
3260         const struct ieee80211_channel *c;
3261         int i, half;
3262
3263         achans = malloc(IEEE80211_CHANINFO_SPACE(chans));
3264         if (achans == NULL)
3265                 errx(1, "no space for active channel list");
3266         achans->ic_nchans = 0;
3267         memset(reported, 0, sizeof(reported));
3268         if (!allchans) {
3269                 struct ieee80211req_chanlist active;
3270
3271                 if (get80211(s, IEEE80211_IOC_CHANLIST, &active, sizeof(active)) < 0)
3272                         errx(1, "unable to get active channel list");
3273                 for (i = 0; i < chans->ic_nchans; i++) {
3274                         c = &chans->ic_chans[i];
3275                         if (!isset(active.ic_channels, c->ic_ieee))
3276                                 continue;
3277                         /*
3278                          * Suppress compatible duplicates unless
3279                          * verbose.  The kernel gives us it's
3280                          * complete channel list which has separate
3281                          * entries for 11g/11b and 11a/turbo.
3282                          */
3283                         if (isset(reported, c->ic_ieee) && !verb) {
3284                                 /* XXX we assume duplicates are adjacent */
3285                                 achans->ic_chans[achans->ic_nchans-1] = *c;
3286                         } else {
3287                                 achans->ic_chans[achans->ic_nchans++] = *c;
3288                                 setbit(reported, c->ic_ieee);
3289                         }
3290                 }
3291         } else {
3292                 for (i = 0; i < chans->ic_nchans; i++) {
3293                         c = &chans->ic_chans[i];
3294                         /* suppress duplicates as above */
3295                         if (isset(reported, c->ic_ieee) && !verb) {
3296                                 /* XXX we assume duplicates are adjacent */
3297                                 struct ieee80211_channel *a =
3298                                     &achans->ic_chans[achans->ic_nchans-1];
3299                                 if (chanpref(c) > chanpref(a))
3300                                         *a = *c;
3301                         } else {
3302                                 achans->ic_chans[achans->ic_nchans++] = *c;
3303                                 setbit(reported, c->ic_ieee);
3304                         }
3305                 }
3306         }
3307         half = achans->ic_nchans / 2;
3308         if (achans->ic_nchans % 2)
3309                 half++;
3310
3311         for (i = 0; i < achans->ic_nchans / 2; i++) {
3312                 print_chaninfo(&achans->ic_chans[i], verb);
3313                 print_chaninfo(&achans->ic_chans[half+i], verb);
3314                 printf("\n");
3315         }
3316         if (achans->ic_nchans % 2) {
3317                 print_chaninfo(&achans->ic_chans[i], verb);
3318                 printf("\n");
3319         }
3320         free(achans);
3321 }
3322
3323 static void
3324 list_channels(int s, int allchans)
3325 {
3326         getchaninfo(s);
3327         print_channels(s, chaninfo, allchans, verbose);
3328 }
3329
3330 static void
3331 print_txpow(const struct ieee80211_channel *c)
3332 {
3333         printf("Channel %3u : %u Mhz %3.1f reg %2d  ",
3334             c->ic_ieee, c->ic_freq,
3335             c->ic_maxpower/2., c->ic_maxregpower);
3336 }
3337
3338 static void
3339 print_txpow_verbose(const struct ieee80211_channel *c)
3340 {
3341         print_chaninfo(c, 1);
3342         printf("min %4.1f dBm  max %3.1f dBm  reg %2d dBm",
3343             c->ic_minpower/2., c->ic_maxpower/2., c->ic_maxregpower);
3344         /* indicate where regulatory cap limits power use */
3345         if (c->ic_maxpower > 2*c->ic_maxregpower)
3346                 printf(" <");
3347 }
3348
3349 static void
3350 list_txpow(int s)
3351 {
3352         struct ieee80211req_chaninfo *achans;
3353         uint8_t reported[IEEE80211_CHAN_BYTES];
3354         struct ieee80211_channel *c, *prev;
3355         int i, half;
3356
3357         getchaninfo(s);
3358         achans = malloc(IEEE80211_CHANINFO_SPACE(chaninfo));
3359         if (achans == NULL)
3360                 errx(1, "no space for active channel list");
3361         achans->ic_nchans = 0;
3362         memset(reported, 0, sizeof(reported));
3363         for (i = 0; i < chaninfo->ic_nchans; i++) {
3364                 c = &chaninfo->ic_chans[i];
3365                 /* suppress duplicates as above */
3366                 if (isset(reported, c->ic_ieee) && !verbose) {
3367                         /* XXX we assume duplicates are adjacent */
3368                         prev = &achans->ic_chans[achans->ic_nchans-1];
3369                         /* display highest power on channel */
3370                         if (c->ic_maxpower > prev->ic_maxpower)
3371                                 *prev = *c;
3372                 } else {
3373                         achans->ic_chans[achans->ic_nchans++] = *c;
3374                         setbit(reported, c->ic_ieee);
3375                 }
3376         }
3377         if (!verbose) {
3378                 half = achans->ic_nchans / 2;
3379                 if (achans->ic_nchans % 2)
3380                         half++;
3381
3382                 for (i = 0; i < achans->ic_nchans / 2; i++) {
3383                         print_txpow(&achans->ic_chans[i]);
3384                         print_txpow(&achans->ic_chans[half+i]);
3385                         printf("\n");
3386                 }
3387                 if (achans->ic_nchans % 2) {
3388                         print_txpow(&achans->ic_chans[i]);
3389                         printf("\n");
3390                 }
3391         } else {
3392                 for (i = 0; i < achans->ic_nchans; i++) {
3393                         print_txpow_verbose(&achans->ic_chans[i]);
3394                         printf("\n");
3395                 }
3396         }
3397         free(achans);
3398 }
3399
3400 static void
3401 list_keys(int s)
3402 {
3403 }
3404
3405 #define IEEE80211_C_BITS \
3406         "\20\1STA\7FF\10TURBOP\11IBSS\12PMGT" \
3407         "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
3408         "\21MONITOR\22DFS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
3409         "\37TXFRAG\40TDMA"
3410
3411 static void
3412 list_capabilities(int s)
3413 {
3414         struct ieee80211_devcaps_req *dc;
3415
3416         if (verbose)
3417                 dc = malloc(IEEE80211_DEVCAPS_SIZE(MAXCHAN));
3418         else
3419                 dc = malloc(IEEE80211_DEVCAPS_SIZE(1));
3420         if (dc == NULL)
3421                 errx(1, "no space for device capabilities");
3422         dc->dc_chaninfo.ic_nchans = verbose ? MAXCHAN : 1;
3423         getdevcaps(s, dc);
3424         printb("drivercaps", dc->dc_drivercaps, IEEE80211_C_BITS);
3425         if (dc->dc_cryptocaps != 0 || verbose) {
3426                 putchar('\n');
3427                 printb("cryptocaps", dc->dc_cryptocaps, IEEE80211_CRYPTO_BITS);
3428         }
3429         if (dc->dc_htcaps != 0 || verbose) {
3430                 putchar('\n');
3431                 printb("htcaps", dc->dc_htcaps, IEEE80211_HTCAP_BITS);
3432         }
3433         putchar('\n');
3434         if (verbose) {
3435                 chaninfo = &dc->dc_chaninfo;    /* XXX */
3436                 print_channels(s, &dc->dc_chaninfo, 1/*allchans*/, verbose);
3437         }
3438         free(dc);
3439 }
3440
3441 static int
3442 get80211wme(int s, int param, int ac, int *val)
3443 {
3444         struct ieee80211req ireq;
3445
3446         (void) memset(&ireq, 0, sizeof(ireq));
3447         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
3448         ireq.i_type = param;
3449         ireq.i_len = ac;
3450         if (ioctl(s, SIOCG80211, &ireq) < 0) {
3451                 warn("cannot get WME parameter %d, ac %d%s",
3452                     param, ac & IEEE80211_WMEPARAM_VAL,
3453                     ac & IEEE80211_WMEPARAM_BSS ? " (BSS)" : "");
3454                 return -1;
3455         }
3456         *val = ireq.i_val;
3457         return 0;
3458 }
3459
3460 static void
3461 list_wme_aci(int s, const char *tag, int ac)
3462 {
3463         int val;
3464
3465         printf("\t%s", tag);
3466
3467         /* show WME BSS parameters */
3468         if (get80211wme(s, IEEE80211_IOC_WME_CWMIN, ac, &val) != -1)
3469                 printf(" cwmin %2u", val);
3470         if (get80211wme(s, IEEE80211_IOC_WME_CWMAX, ac, &val) != -1)
3471                 printf(" cwmax %2u", val);
3472         if (get80211wme(s, IEEE80211_IOC_WME_AIFS, ac, &val) != -1)
3473                 printf(" aifs %2u", val);
3474         if (get80211wme(s, IEEE80211_IOC_WME_TXOPLIMIT, ac, &val) != -1)
3475                 printf(" txopLimit %3u", val);
3476         if (get80211wme(s, IEEE80211_IOC_WME_ACM, ac, &val) != -1) {
3477                 if (val)
3478                         printf(" acm");
3479                 else if (verbose)
3480                         printf(" -acm");
3481         }
3482         /* !BSS only */
3483         if ((ac & IEEE80211_WMEPARAM_BSS) == 0) {
3484                 if (get80211wme(s, IEEE80211_IOC_WME_ACKPOLICY, ac, &val) != -1) {
3485                         if (!val)
3486                                 printf(" -ack");
3487                         else if (verbose)
3488                                 printf(" ack");
3489                 }
3490         }
3491         printf("\n");
3492 }
3493
3494 static void
3495 list_wme(int s)
3496 {
3497         static const char *acnames[] = { "AC_BE", "AC_BK", "AC_VI", "AC_VO" };
3498         int ac;
3499
3500         if (verbose) {
3501                 /* display both BSS and local settings */
3502                 for (ac = WME_AC_BE; ac <= WME_AC_VO; ac++) {
3503         again:
3504                         if (ac & IEEE80211_WMEPARAM_BSS)
3505                                 list_wme_aci(s, "     ", ac);
3506                         else
3507                                 list_wme_aci(s, acnames[ac], ac);
3508                         if ((ac & IEEE80211_WMEPARAM_BSS) == 0) {
3509                                 ac |= IEEE80211_WMEPARAM_BSS;
3510                                 goto again;
3511                         } else
3512                                 ac &= ~IEEE80211_WMEPARAM_BSS;
3513                 }
3514         } else {
3515                 /* display only channel settings */
3516                 for (ac = WME_AC_BE; ac <= WME_AC_VO; ac++)
3517                         list_wme_aci(s, acnames[ac], ac);
3518         }
3519 }
3520
3521 static void
3522 list_roam(int s)
3523 {
3524         const struct ieee80211_roamparam *rp;
3525         int mode;
3526
3527         getroam(s);
3528         for (mode = IEEE80211_MODE_11A; mode < IEEE80211_MODE_MAX; mode++) {
3529                 rp = &roamparams.params[mode];
3530                 if (rp->rssi == 0 && rp->rate == 0)
3531                         continue;
3532                 if (mode == IEEE80211_MODE_11NA || mode == IEEE80211_MODE_11NG) {
3533                         if (rp->rssi & 1)
3534                                 LINE_CHECK("roam:%-7.7s rssi %2u.5dBm  MCS %2u    ",
3535                                     modename[mode], rp->rssi/2,
3536                                     rp->rate &~ IEEE80211_RATE_MCS);
3537                         else
3538                                 LINE_CHECK("roam:%-7.7s rssi %4udBm  MCS %2u    ",
3539                                     modename[mode], rp->rssi/2,
3540                                     rp->rate &~ IEEE80211_RATE_MCS);
3541                 } else {
3542                         if (rp->rssi & 1)
3543                                 LINE_CHECK("roam:%-7.7s rssi %2u.5dBm rate %2u Mb/s",
3544                                     modename[mode], rp->rssi/2, rp->rate/2);
3545                         else
3546                                 LINE_CHECK("roam:%-7.7s rssi %4udBm rate %2u Mb/s",
3547                                     modename[mode], rp->rssi/2, rp->rate/2);
3548                 }
3549         }
3550 }
3551
3552 static void
3553 list_txparams(int s)
3554 {
3555         const struct ieee80211_txparam *tp;
3556         int mode;
3557
3558         gettxparams(s);
3559         for (mode = IEEE80211_MODE_11A; mode < IEEE80211_MODE_MAX; mode++) {
3560                 tp = &txparams.params[mode];
3561                 if (tp->mgmtrate == 0 && tp->mcastrate == 0)
3562                         continue;
3563                 if (mode == IEEE80211_MODE_11NA || mode == IEEE80211_MODE_11NG) {
3564                         if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE)
3565                                 LINE_CHECK("%-7.7s ucast NONE    mgmt %2u MCS  "
3566                                     "mcast %2u MCS  maxretry %u",
3567                                     modename[mode],
3568                                     tp->mgmtrate &~ IEEE80211_RATE_MCS,
3569                                     tp->mcastrate &~ IEEE80211_RATE_MCS,
3570                                     tp->maxretry);
3571                         else
3572                                 LINE_CHECK("%-7.7s ucast %2u MCS  mgmt %2u MCS  "
3573                                     "mcast %2u MCS  maxretry %u",
3574                                     modename[mode],
3575                                     tp->ucastrate &~ IEEE80211_RATE_MCS,
3576                                     tp->mgmtrate &~ IEEE80211_RATE_MCS,
3577                                     tp->mcastrate &~ IEEE80211_RATE_MCS,
3578                                     tp->maxretry);
3579                 } else {
3580                         if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE)
3581                                 LINE_CHECK("%-7.7s ucast NONE    mgmt %2u Mb/s "
3582                                     "mcast %2u Mb/s maxretry %u",
3583                                     modename[mode],
3584                                     tp->mgmtrate/2,
3585                                     tp->mcastrate/2, tp->maxretry);
3586                         else
3587                                 LINE_CHECK("%-7.7s ucast %2u Mb/s mgmt %2u Mb/s "
3588                                     "mcast %2u Mb/s maxretry %u",
3589                                     modename[mode],
3590                                     tp->ucastrate/2, tp->mgmtrate/2,
3591                                     tp->mcastrate/2, tp->maxretry);
3592                 }
3593         }
3594 }
3595
3596 static void
3597 printpolicy(int policy)
3598 {
3599         switch (policy) {
3600         case IEEE80211_MACCMD_POLICY_OPEN:
3601                 printf("policy: open\n");
3602                 break;
3603         case IEEE80211_MACCMD_POLICY_ALLOW:
3604                 printf("policy: allow\n");
3605                 break;
3606         case IEEE80211_MACCMD_POLICY_DENY:
3607                 printf("policy: deny\n");
3608                 break;
3609         case IEEE80211_MACCMD_POLICY_RADIUS:
3610                 printf("policy: radius\n");
3611                 break;
3612         default:
3613                 printf("policy: unknown (%u)\n", policy);
3614                 break;
3615         }
3616 }
3617
3618 static void
3619 list_mac(int s)
3620 {
3621         struct ieee80211req ireq;
3622         struct ieee80211req_maclist *acllist;
3623         int i, nacls, policy, len;
3624         uint8_t *data;
3625         char c;
3626
3627         (void) memset(&ireq, 0, sizeof(ireq));
3628         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); /* XXX ?? */
3629         ireq.i_type = IEEE80211_IOC_MACCMD;
3630         ireq.i_val = IEEE80211_MACCMD_POLICY;
3631         if (ioctl(s, SIOCG80211, &ireq) < 0) {
3632                 if (errno == EINVAL) {
3633                         printf("No acl policy loaded\n");
3634                         return;
3635                 }
3636                 err(1, "unable to get mac policy");
3637         }
3638         policy = ireq.i_val;
3639         if (policy == IEEE80211_MACCMD_POLICY_OPEN) {
3640                 c = '*';
3641         } else if (policy == IEEE80211_MACCMD_POLICY_ALLOW) {
3642                 c = '+';
3643         } else if (policy == IEEE80211_MACCMD_POLICY_DENY) {
3644                 c = '-';
3645         } else if (policy == IEEE80211_MACCMD_POLICY_RADIUS) {
3646                 c = 'r';                /* NB: should never have entries */
3647         } else {
3648                 printf("policy: unknown (%u)\n", policy);
3649                 c = '?';
3650         }
3651         if (verbose || c == '?')
3652                 printpolicy(policy);
3653
3654         ireq.i_val = IEEE80211_MACCMD_LIST;
3655         ireq.i_len = 0;
3656         if (ioctl(s, SIOCG80211, &ireq) < 0)
3657                 err(1, "unable to get mac acl list size");
3658         if (ireq.i_len == 0) {          /* NB: no acls */
3659                 if (!(verbose || c == '?'))
3660                         printpolicy(policy);
3661                 return;
3662         }
3663         len = ireq.i_len;
3664
3665         data = malloc(len);
3666         if (data == NULL)
3667                 err(1, "out of memory for acl list");
3668
3669         ireq.i_data = data;
3670         if (ioctl(s, SIOCG80211, &ireq) < 0)
3671                 err(1, "unable to get mac acl list");
3672         nacls = len / sizeof(*acllist);
3673         acllist = (struct ieee80211req_maclist *) data;
3674         for (i = 0; i < nacls; i++)
3675                 printf("%c%s\n", c, ether_ntoa(
3676                         (const struct ether_addr *) acllist[i].ml_macaddr));
3677         free(data);
3678 }
3679
3680 static void
3681 print_regdomain(const struct ieee80211_regdomain *reg, int verb)
3682 {
3683         if ((reg->regdomain != 0 &&
3684             reg->regdomain != reg->country) || verb) {
3685                 const struct regdomain *rd =
3686                     lib80211_regdomain_findbysku(getregdata(), reg->regdomain);
3687                 if (rd == NULL)
3688                         LINE_CHECK("regdomain %d", reg->regdomain);
3689                 else
3690                         LINE_CHECK("regdomain %s", rd->name);
3691         }
3692         if (reg->country != 0 || verb) {
3693                 const struct country *cc =
3694                     lib80211_country_findbycc(getregdata(), reg->country);
3695                 if (cc == NULL)
3696                         LINE_CHECK("country %d", reg->country);
3697                 else
3698                         LINE_CHECK("country %s", cc->isoname);
3699         }
3700         if (reg->location == 'I')
3701                 LINE_CHECK("indoor");
3702         else if (reg->location == 'O')
3703                 LINE_CHECK("outdoor");
3704         else if (verb)
3705                 LINE_CHECK("anywhere");
3706         if (reg->ecm)
3707                 LINE_CHECK("ecm");
3708         else if (verb)
3709                 LINE_CHECK("-ecm");
3710 }
3711
3712 static void
3713 list_regdomain(int s, int channelsalso)
3714 {
3715         getregdomain(s);
3716         if (channelsalso) {
3717                 getchaninfo(s);
3718                 spacer = ':';
3719                 print_regdomain(&regdomain, 1);
3720                 LINE_BREAK();
3721                 print_channels(s, chaninfo, 1/*allchans*/, 1/*verbose*/);
3722         } else
3723                 print_regdomain(&regdomain, verbose);
3724 }
3725
3726 static
3727 DECL_CMD_FUNC(set80211list, arg, d)
3728 {
3729 #define iseq(a,b)       (strncasecmp(a,b,sizeof(b)-1) == 0)
3730
3731         LINE_INIT('\t');
3732
3733         if (iseq(arg, "sta"))
3734                 list_stations(s);
3735         else if (iseq(arg, "scan") || iseq(arg, "ap"))
3736                 list_scan(s);
3737         else if (iseq(arg, "chan") || iseq(arg, "freq"))
3738                 list_channels(s, 1);
3739         else if (iseq(arg, "active"))
3740                 list_channels(s, 0);
3741         else if (iseq(arg, "keys"))
3742                 list_keys(s);
3743         else if (iseq(arg, "caps"))
3744                 list_capabilities(s);
3745         else if (iseq(arg, "wme") || iseq(arg, "wmm"))
3746                 list_wme(s);
3747         else if (iseq(arg, "mac"))
3748                 list_mac(s);
3749         else if (iseq(arg, "txpow"))
3750                 list_txpow(s);
3751         else if (iseq(arg, "roam"))
3752                 list_roam(s);
3753         else if (iseq(arg, "txparam") || iseq(arg, "txparm"))
3754                 list_txparams(s);
3755         else if (iseq(arg, "regdomain"))
3756                 list_regdomain(s, 1);
3757         else if (iseq(arg, "countries"))
3758                 list_countries();
3759         else
3760                 errx(1, "Don't know how to list %s for %s", arg, name);
3761         LINE_BREAK();
3762 #undef iseq
3763 }
3764
3765 static enum ieee80211_opmode
3766 get80211opmode(int s)
3767 {
3768         struct ifmediareq ifmr;
3769
3770         (void) memset(&ifmr, 0, sizeof(ifmr));
3771         (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));
3772
3773         if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) >= 0) {
3774                 if (ifmr.ifm_current & IFM_IEEE80211_ADHOC) {
3775                         if (ifmr.ifm_current & IFM_FLAG0)
3776                                 return IEEE80211_M_AHDEMO;
3777                         else
3778                                 return IEEE80211_M_IBSS;
3779                 }
3780                 if (ifmr.ifm_current & IFM_IEEE80211_HOSTAP)
3781                         return IEEE80211_M_HOSTAP;
3782                 if (ifmr.ifm_current & IFM_IEEE80211_MONITOR)
3783                         return IEEE80211_M_MONITOR;
3784         }
3785         return IEEE80211_M_STA;
3786 }
3787
3788 #if 0
3789 static void
3790 printcipher(int s, struct ieee80211req *ireq, int keylenop)
3791 {
3792         switch (ireq->i_val) {
3793         case IEEE80211_CIPHER_WEP:
3794                 ireq->i_type = keylenop;
3795                 if (ioctl(s, SIOCG80211, ireq) != -1)
3796                         printf("WEP-%s", 
3797                             ireq->i_len <= 5 ? "40" :
3798                             ireq->i_len <= 13 ? "104" : "128");
3799                 else
3800                         printf("WEP");
3801                 break;
3802         case IEEE80211_CIPHER_TKIP:
3803                 printf("TKIP");
3804                 break;
3805         case IEEE80211_CIPHER_AES_OCB:
3806                 printf("AES-OCB");
3807                 break;
3808         case IEEE80211_CIPHER_AES_CCM:
3809                 printf("AES-CCM");
3810                 break;
3811         case IEEE80211_CIPHER_CKIP:
3812                 printf("CKIP");
3813                 break;
3814         case IEEE80211_CIPHER_NONE:
3815                 printf("NONE");
3816                 break;
3817         default:
3818                 printf("UNKNOWN (0x%x)", ireq->i_val);
3819                 break;
3820         }
3821 }
3822 #endif
3823
3824 static void
3825 printkey(const struct ieee80211req_key *ik)
3826 {
3827         static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
3828         int keylen = ik->ik_keylen;
3829         int printcontents;
3830
3831         printcontents = printkeys &&
3832                 (memcmp(ik->ik_keydata, zerodata, keylen) != 0 || verbose);
3833         if (printcontents)
3834                 LINE_BREAK();
3835         switch (ik->ik_type) {
3836         case IEEE80211_CIPHER_WEP:
3837                 /* compatibility */
3838                 LINE_CHECK("wepkey %u:%s", ik->ik_keyix+1,
3839                     keylen <= 5 ? "40-bit" :
3840                     keylen <= 13 ? "104-bit" : "128-bit");
3841                 break;
3842         case IEEE80211_CIPHER_TKIP:
3843                 if (keylen > 128/8)
3844                         keylen -= 128/8;        /* ignore MIC for now */
3845                 LINE_CHECK("TKIP %u:%u-bit", ik->ik_keyix+1, 8*keylen);
3846                 break;
3847         case IEEE80211_CIPHER_AES_OCB:
3848                 LINE_CHECK("AES-OCB %u:%u-bit", ik->ik_keyix+1, 8*keylen);
3849                 break;
3850         case IEEE80211_CIPHER_AES_CCM:
3851                 LINE_CHECK("AES-CCM %u:%u-bit", ik->ik_keyix+1, 8*keylen);
3852                 break;
3853         case IEEE80211_CIPHER_CKIP:
3854                 LINE_CHECK("CKIP %u:%u-bit", ik->ik_keyix+1, 8*keylen);
3855                 break;
3856         case IEEE80211_CIPHER_NONE:
3857                 LINE_CHECK("NULL %u:%u-bit", ik->ik_keyix+1, 8*keylen);
3858                 break;
3859         default:
3860                 LINE_CHECK("UNKNOWN (0x%x) %u:%u-bit",
3861                         ik->ik_type, ik->ik_keyix+1, 8*keylen);
3862                 break;
3863         }
3864         if (printcontents) {
3865                 int i;
3866
3867                 printf(" <");
3868                 for (i = 0; i < keylen; i++)
3869                         printf("%02x", ik->ik_keydata[i]);
3870                 printf(">");
3871                 if (ik->ik_type != IEEE80211_CIPHER_WEP &&
3872                     (ik->ik_keyrsc != 0 || verbose))
3873                         printf(" rsc %ju", (uintmax_t)ik->ik_keyrsc);
3874                 if (ik->ik_type != IEEE80211_CIPHER_WEP &&
3875                     (ik->ik_keytsc != 0 || verbose))
3876                         printf(" tsc %ju", (uintmax_t)ik->ik_keytsc);
3877                 if (ik->ik_flags != 0 && verbose) {
3878                         const char *sep = " ";
3879
3880                         if (ik->ik_flags & IEEE80211_KEY_XMIT)
3881                                 printf("%stx", sep), sep = "+";
3882                         if (ik->ik_flags & IEEE80211_KEY_RECV)
3883                                 printf("%srx", sep), sep = "+";
3884                         if (ik->ik_flags & IEEE80211_KEY_DEFAULT)
3885                                 printf("%sdef", sep), sep = "+";
3886                 }
3887                 LINE_BREAK();
3888         }
3889 }
3890
3891 static void
3892 printrate(const char *tag, int v, int defrate, int defmcs)
3893 {
3894         if ((v & IEEE80211_RATE_MCS) == 0) {
3895                 if (v != defrate) {
3896                         if (v & 1)
3897                                 LINE_CHECK("%s %d.5", tag, v/2);
3898                         else
3899                                 LINE_CHECK("%s %d", tag, v/2);
3900                 }
3901         } else {
3902                 if (v != defmcs)
3903                         LINE_CHECK("%s %d", tag, v &~ 0x80);
3904         }
3905 }
3906
3907 static int
3908 getssid(int s, int ix, void *data, size_t len, int *plen)
3909 {
3910         struct ieee80211req ireq;
3911
3912         (void) memset(&ireq, 0, sizeof(ireq));
3913         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
3914         ireq.i_type = IEEE80211_IOC_SSID;
3915         ireq.i_val = ix;
3916         ireq.i_data = data;
3917         ireq.i_len = len;
3918         if (ioctl(s, SIOCG80211, &ireq) < 0)
3919                 return -1;
3920         *plen = ireq.i_len;
3921         return 0;
3922 }
3923
3924 static void
3925 ieee80211_status(int s)
3926 {
3927         static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
3928         enum ieee80211_opmode opmode = get80211opmode(s);
3929         int i, num, wpa, wme, bgscan, bgscaninterval, val, len, wepmode;
3930         uint8_t data[32];
3931         const struct ieee80211_channel *c;
3932         const struct ieee80211_roamparam *rp;
3933         const struct ieee80211_txparam *tp;
3934
3935         if (getssid(s, -1, data, sizeof(data), &len) < 0) {
3936                 /* If we can't get the SSID, this isn't an 802.11 device. */
3937                 return;
3938         }
3939
3940         /*
3941          * Invalidate cached state so printing status for multiple
3942          * if's doesn't reuse the first interfaces' cached state.
3943          */
3944         gotcurchan = 0;
3945         gotroam = 0;
3946         gottxparams = 0;
3947         gothtconf = 0;
3948         gotregdomain = 0;
3949
3950         if (get80211val(s, IEEE80211_IOC_NUMSSIDS, &num) < 0)
3951                 num = 0;
3952         printf("\tssid ");
3953         if (num > 1) {
3954                 for (i = 0; i < num; i++) {
3955                         if (getssid(s, i, data, sizeof(data), &len) >= 0 && len > 0) {
3956                                 printf(" %d:", i + 1);
3957                                 print_string(data, len);
3958                         }
3959                 }
3960         } else
3961                 print_string(data, len);
3962
3963         c = getcurchan(s);
3964         if (c->ic_freq != IEEE80211_CHAN_ANY) {
3965                 char buf[14];
3966                 printf(" channel %d (%u Mhz%s)", c->ic_ieee, c->ic_freq,
3967                         get_chaninfo(c, 1, buf, sizeof(buf)));
3968         } else if (verbose)
3969                 printf(" channel UNDEF");
3970
3971         if (get80211(s, IEEE80211_IOC_BSSID, data, IEEE80211_ADDR_LEN) >= 0 &&
3972             (memcmp(data, zerobssid, sizeof(zerobssid)) != 0 || verbose))
3973                 printf(" bssid %s", ether_ntoa((struct ether_addr *)data));
3974
3975         if (get80211len(s, IEEE80211_IOC_STATIONNAME, data, sizeof(data), &len) != -1) {
3976                 printf("\n\tstationname ");
3977                 print_string(data, len);
3978         }
3979
3980         spacer = ' ';           /* force first break */
3981         LINE_BREAK();
3982
3983         list_regdomain(s, 0);
3984
3985         wpa = 0;
3986         if (get80211val(s, IEEE80211_IOC_AUTHMODE, &val) != -1) {
3987                 switch (val) {
3988                 case IEEE80211_AUTH_NONE:
3989                         LINE_CHECK("authmode NONE");
3990                         break;
3991                 case IEEE80211_AUTH_OPEN:
3992                         LINE_CHECK("authmode OPEN");
3993                         break;
3994                 case IEEE80211_AUTH_SHARED:
3995                         LINE_CHECK("authmode SHARED");
3996                         break;
3997                 case IEEE80211_AUTH_8021X:
3998                         LINE_CHECK("authmode 802.1x");
3999                         break;
4000                 case IEEE80211_AUTH_WPA:
4001                         if (get80211val(s, IEEE80211_IOC_WPA, &wpa) < 0)
4002                                 wpa = 1;        /* default to WPA1 */
4003                         switch (wpa) {
4004                         case 2:
4005                                 LINE_CHECK("authmode WPA2/802.11i");
4006                                 break;
4007                         case 3:
4008                                 LINE_CHECK("authmode WPA1+WPA2/802.11i");
4009                                 break;
4010                         default:
4011                                 LINE_CHECK("authmode WPA");
4012                                 break;
4013                         }
4014                         break;
4015                 case IEEE80211_AUTH_AUTO:
4016                         LINE_CHECK("authmode AUTO");
4017                         break;
4018                 default:
4019                         LINE_CHECK("authmode UNKNOWN (0x%x)", val);
4020                         break;
4021                 }
4022         }
4023
4024         if (wpa || verbose) {
4025                 if (get80211val(s, IEEE80211_IOC_WPS, &val) != -1) {
4026                         if (val)
4027                                 LINE_CHECK("wps");
4028                         else if (verbose)
4029                                 LINE_CHECK("-wps");
4030                 }
4031                 if (get80211val(s, IEEE80211_IOC_TSN, &val) != -1) {
4032                         if (val)
4033                                 LINE_CHECK("tsn");
4034                         else if (verbose)
4035                                 LINE_CHECK("-tsn");
4036                 }
4037                 if (ioctl(s, IEEE80211_IOC_COUNTERMEASURES, &val) != -1) {
4038                         if (val)
4039                                 LINE_CHECK("countermeasures");
4040                         else if (verbose)
4041                                 LINE_CHECK("-countermeasures");
4042                 }
4043 #if 0
4044                 /* XXX not interesting with WPA done in user space */
4045                 ireq.i_type = IEEE80211_IOC_KEYMGTALGS;
4046                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
4047                 }
4048
4049                 ireq.i_type = IEEE80211_IOC_MCASTCIPHER;
4050                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
4051                         LINE_CHECK("mcastcipher ");
4052                         printcipher(s, &ireq, IEEE80211_IOC_MCASTKEYLEN);
4053                         spacer = ' ';
4054                 }
4055
4056                 ireq.i_type = IEEE80211_IOC_UCASTCIPHER;
4057                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
4058                         LINE_CHECK("ucastcipher ");
4059                         printcipher(s, &ireq, IEEE80211_IOC_UCASTKEYLEN);
4060                 }
4061
4062                 if (wpa & 2) {
4063                         ireq.i_type = IEEE80211_IOC_RSNCAPS;
4064                         if (ioctl(s, SIOCG80211, &ireq) != -1) {
4065                                 LINE_CHECK("RSN caps 0x%x", ireq.i_val);
4066                                 spacer = ' ';
4067                         }
4068                 }
4069
4070                 ireq.i_type = IEEE80211_IOC_UCASTCIPHERS;
4071                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
4072                 }
4073 #endif
4074         }
4075
4076         if (get80211val(s, IEEE80211_IOC_WEP, &wepmode) != -1 &&
4077             wepmode != IEEE80211_WEP_NOSUP) {
4078                 int firstkey;
4079
4080                 switch (wepmode) {
4081                 case IEEE80211_WEP_OFF:
4082                         LINE_CHECK("privacy OFF");
4083                         break;
4084                 case IEEE80211_WEP_ON:
4085                         LINE_CHECK("privacy ON");
4086                         break;
4087                 case IEEE80211_WEP_MIXED:
4088                         LINE_CHECK("privacy MIXED");
4089                         break;
4090                 default:
4091                         LINE_CHECK("privacy UNKNOWN (0x%x)", wepmode);
4092                         break;
4093                 }
4094
4095                 /*
4096                  * If we get here then we've got WEP support so we need
4097                  * to print WEP status.
4098                  */
4099
4100                 if (get80211val(s, IEEE80211_IOC_WEPTXKEY, &val) < 0) {
4101                         warn("WEP support, but no tx key!");
4102                         goto end;
4103                 }
4104                 if (val != -1)
4105                         LINE_CHECK("deftxkey %d", val+1);
4106                 else if (wepmode != IEEE80211_WEP_OFF || verbose)
4107                         LINE_CHECK("deftxkey UNDEF");
4108
4109                 if (get80211val(s, IEEE80211_IOC_NUMWEPKEYS, &num) < 0) {
4110                         warn("WEP support, but no NUMWEPKEYS support!");
4111                         goto end;
4112                 }
4113
4114                 firstkey = 1;
4115                 for (i = 0; i < num; i++) {
4116                         struct ieee80211req_key ik;
4117
4118                         memset(&ik, 0, sizeof(ik));
4119                         ik.ik_keyix = i;
4120                         if (get80211(s, IEEE80211_IOC_WPAKEY, &ik, sizeof(ik)) < 0) {
4121                                 warn("WEP support, but can get keys!");
4122                                 goto end;
4123                         }
4124                         if (ik.ik_keylen != 0) {
4125                                 if (verbose)
4126                                         LINE_BREAK();
4127                                 printkey(&ik);
4128                                 firstkey = 0;
4129                         }
4130                 }
4131 end:
4132                 ;
4133         }
4134
4135         if (get80211val(s, IEEE80211_IOC_POWERSAVE, &val) != -1 &&
4136             val != IEEE80211_POWERSAVE_NOSUP ) {
4137                 if (val != IEEE80211_POWERSAVE_OFF || verbose) {
4138                         switch (val) {
4139                         case IEEE80211_POWERSAVE_OFF:
4140                                 LINE_CHECK("powersavemode OFF");
4141                                 break;
4142                         case IEEE80211_POWERSAVE_CAM:
4143                                 LINE_CHECK("powersavemode CAM");
4144                                 break;
4145                         case IEEE80211_POWERSAVE_PSP:
4146                                 LINE_CHECK("powersavemode PSP");
4147                                 break;
4148                         case IEEE80211_POWERSAVE_PSP_CAM:
4149                                 LINE_CHECK("powersavemode PSP-CAM");
4150                                 break;
4151                         }
4152                         if (get80211val(s, IEEE80211_IOC_POWERSAVESLEEP, &val) != -1)
4153                                 LINE_CHECK("powersavesleep %d", val);
4154                 }
4155         }
4156
4157         if (get80211val(s, IEEE80211_IOC_TXPOWER, &val) != -1) {
4158                 if (val & 1)
4159                         LINE_CHECK("txpower %d.5", val/2);
4160                 else
4161                         LINE_CHECK("txpower %d", val/2);
4162         }
4163         if (verbose) {
4164                 if (get80211val(s, IEEE80211_IOC_TXPOWMAX, &val) != -1)
4165                         LINE_CHECK("txpowmax %.1f", val/2.);
4166         }
4167
4168         if (get80211val(s, IEEE80211_IOC_DOTD, &val) != -1) {
4169                 if (val)
4170                         LINE_CHECK("dotd");
4171                 else if (verbose)
4172                         LINE_CHECK("-dotd");
4173         }
4174
4175         if (get80211val(s, IEEE80211_IOC_RTSTHRESHOLD, &val) != -1) {
4176                 if (val != IEEE80211_RTS_MAX || verbose)
4177                         LINE_CHECK("rtsthreshold %d", val);
4178         }
4179
4180         if (get80211val(s, IEEE80211_IOC_FRAGTHRESHOLD, &val) != -1) {
4181                 if (val != IEEE80211_FRAG_MAX || verbose)
4182                         LINE_CHECK("fragthreshold %d", val);
4183         }
4184         if (opmode == IEEE80211_M_STA || verbose) {
4185                 if (get80211val(s, IEEE80211_IOC_BMISSTHRESHOLD, &val) != -1) {
4186                         if (val != IEEE80211_HWBMISS_MAX || verbose)
4187                                 LINE_CHECK("bmiss %d", val);
4188                 }
4189         }
4190
4191         if (!verbose) {
4192                 gettxparams(s);
4193                 tp = &txparams.params[chan2mode(c)];
4194                 printrate("ucastrate", tp->ucastrate,
4195                     IEEE80211_FIXED_RATE_NONE, IEEE80211_FIXED_RATE_NONE);
4196                 printrate("mcastrate", tp->mcastrate, 2*1,
4197                     IEEE80211_RATE_MCS|0);
4198                 printrate("mgmtrate", tp->mgmtrate, 2*1,
4199                     IEEE80211_RATE_MCS|0);
4200                 if (tp->maxretry != 6)          /* XXX */
4201                         LINE_CHECK("maxretry %d", tp->maxretry);
4202         } else {
4203                 LINE_BREAK();
4204                 list_txparams(s);
4205         }
4206
4207         bgscaninterval = -1;
4208         (void) get80211val(s, IEEE80211_IOC_BGSCAN_INTERVAL, &bgscaninterval);
4209
4210         if (get80211val(s, IEEE80211_IOC_SCANVALID, &val) != -1) {
4211                 if (val != bgscaninterval || verbose)
4212                         LINE_CHECK("scanvalid %u", val);
4213         }
4214
4215         bgscan = 0;
4216         if (get80211val(s, IEEE80211_IOC_BGSCAN, &bgscan) != -1) {
4217                 if (bgscan)
4218                         LINE_CHECK("bgscan");
4219                 else if (verbose)
4220                         LINE_CHECK("-bgscan");
4221         }
4222         if (bgscan || verbose) {
4223                 if (bgscaninterval != -1)
4224                         LINE_CHECK("bgscanintvl %u", bgscaninterval);
4225                 if (get80211val(s, IEEE80211_IOC_BGSCAN_IDLE, &val) != -1)
4226                         LINE_CHECK("bgscanidle %u", val);
4227                 if (!verbose) {
4228                         getroam(s);
4229                         rp = &roamparams.params[chan2mode(c)];
4230                         if (rp->rssi & 1)
4231                                 LINE_CHECK("roam:rssi %u.5", rp->rssi/2);
4232                         else
4233                                 LINE_CHECK("roam:rssi %u", rp->rssi/2);
4234                         LINE_CHECK("roam:rate %u", rp->rate/2);
4235                 } else {
4236                         LINE_BREAK();
4237                         list_roam(s);
4238                 }
4239         }
4240
4241         if (IEEE80211_IS_CHAN_ANYG(c) || verbose) {
4242                 if (get80211val(s, IEEE80211_IOC_PUREG, &val) != -1) {
4243                         if (val)
4244                                 LINE_CHECK("pureg");
4245                         else if (verbose)
4246                                 LINE_CHECK("-pureg");
4247                 }
4248                 if (get80211val(s, IEEE80211_IOC_PROTMODE, &val) != -1) {
4249                         switch (val) {
4250                         case IEEE80211_PROTMODE_OFF:
4251                                 LINE_CHECK("protmode OFF");
4252                                 break;
4253                         case IEEE80211_PROTMODE_CTS:
4254                                 LINE_CHECK("protmode CTS");
4255                                 break;
4256                         case IEEE80211_PROTMODE_RTSCTS:
4257                                 LINE_CHECK("protmode RTSCTS");
4258                                 break;
4259                         default:
4260                                 LINE_CHECK("protmode UNKNOWN (0x%x)", val);
4261                                 break;
4262                         }
4263                 }
4264         }
4265
4266         if (IEEE80211_IS_CHAN_HT(c) || verbose) {
4267                 gethtconf(s);
4268                 switch (htconf & 3) {
4269                 case 0:
4270                 case 2:
4271                         LINE_CHECK("-ht");
4272                         break;
4273                 case 1:
4274                         LINE_CHECK("ht20");
4275                         break;
4276                 case 3:
4277                         if (verbose)
4278                                 LINE_CHECK("ht");
4279                         break;
4280                 }
4281                 if (get80211val(s, IEEE80211_IOC_HTCOMPAT, &val) != -1) {
4282                         if (!val)
4283                                 LINE_CHECK("-htcompat");
4284                         else if (verbose)
4285                                 LINE_CHECK("htcompat");
4286                 }
4287                 if (get80211val(s, IEEE80211_IOC_AMPDU, &val) != -1) {
4288                         switch (val) {
4289                         case 0:
4290                                 LINE_CHECK("-ampdu");
4291                                 break;
4292                         case 1:
4293                                 LINE_CHECK("ampdutx -ampdurx");
4294                                 break;
4295                         case 2:
4296                                 LINE_CHECK("-ampdutx ampdurx");
4297                                 break;
4298                         case 3:
4299                                 if (verbose)
4300                                         LINE_CHECK("ampdu");
4301                                 break;
4302                         }
4303                 }
4304                 if (get80211val(s, IEEE80211_IOC_AMPDU_LIMIT, &val) != -1) {
4305                         switch (val) {
4306                         case IEEE80211_HTCAP_MAXRXAMPDU_8K:
4307                                 LINE_CHECK("ampdulimit 8k");
4308                                 break;
4309                         case IEEE80211_HTCAP_MAXRXAMPDU_16K:
4310                                 LINE_CHECK("ampdulimit 16k");
4311                                 break;
4312                         case IEEE80211_HTCAP_MAXRXAMPDU_32K:
4313                                 LINE_CHECK("ampdulimit 32k");
4314                                 break;
4315                         case IEEE80211_HTCAP_MAXRXAMPDU_64K:
4316                                 LINE_CHECK("ampdulimit 64k");
4317                                 break;
4318                         }
4319                 }
4320                 if (get80211val(s, IEEE80211_IOC_AMPDU_DENSITY, &val) != -1) {
4321                         switch (val) {
4322                         case IEEE80211_HTCAP_MPDUDENSITY_NA:
4323                                 if (verbose)
4324                                         LINE_CHECK("ampdudensity NA");
4325                                 break;
4326                         case IEEE80211_HTCAP_MPDUDENSITY_025:
4327                                 LINE_CHECK("ampdudensity .25");
4328                                 break;
4329                         case IEEE80211_HTCAP_MPDUDENSITY_05:
4330                                 LINE_CHECK("ampdudensity .5");
4331                                 break;
4332                         case IEEE80211_HTCAP_MPDUDENSITY_1:
4333                                 LINE_CHECK("ampdudensity 1");
4334                                 break;
4335                         case IEEE80211_HTCAP_MPDUDENSITY_2:
4336                                 LINE_CHECK("ampdudensity 2");
4337                                 break;
4338                         case IEEE80211_HTCAP_MPDUDENSITY_4:
4339                                 LINE_CHECK("ampdudensity 4");
4340                                 break;
4341                         case IEEE80211_HTCAP_MPDUDENSITY_8:
4342                                 LINE_CHECK("ampdudensity 8");
4343                                 break;
4344                         case IEEE80211_HTCAP_MPDUDENSITY_16:
4345                                 LINE_CHECK("ampdudensity 16");
4346                                 break;
4347                         }
4348                 }
4349                 if (get80211val(s, IEEE80211_IOC_AMSDU, &val) != -1) {
4350                         switch (val) {
4351                         case 0:
4352                                 LINE_CHECK("-amsdu");
4353                                 break;
4354                         case 1:
4355                                 LINE_CHECK("amsdutx -amsdurx");
4356                                 break;
4357                         case 2:
4358                                 LINE_CHECK("-amsdutx amsdurx");
4359                                 break;
4360                         case 3:
4361                                 if (verbose)
4362                                         LINE_CHECK("amsdu");
4363                                 break;
4364                         }
4365                 }
4366                 /* XXX amsdu limit */
4367                 if (get80211val(s, IEEE80211_IOC_SHORTGI, &val) != -1) {
4368                         if (val)
4369                                 LINE_CHECK("shortgi");
4370                         else if (verbose)
4371                                 LINE_CHECK("-shortgi");
4372                 }
4373                 if (get80211val(s, IEEE80211_IOC_HTPROTMODE, &val) != -1) {
4374                         if (val == IEEE80211_PROTMODE_OFF)
4375                                 LINE_CHECK("htprotmode OFF");
4376                         else if (val != IEEE80211_PROTMODE_RTSCTS)
4377                                 LINE_CHECK("htprotmode UNKNOWN (0x%x)", val);
4378                         else if (verbose)
4379                                 LINE_CHECK("htprotmode RTSCTS");
4380                 }
4381                 if (get80211val(s, IEEE80211_IOC_PUREN, &val) != -1) {
4382                         if (val)
4383                                 LINE_CHECK("puren");
4384                         else if (verbose)
4385                                 LINE_CHECK("-puren");
4386                 }
4387                 if (get80211val(s, IEEE80211_IOC_SMPS, &val) != -1) {
4388                         if (val == IEEE80211_HTCAP_SMPS_DYNAMIC)
4389                                 LINE_CHECK("smpsdyn");
4390                         else if (val == IEEE80211_HTCAP_SMPS_ENA)
4391                                 LINE_CHECK("smps");
4392                         else if (verbose)
4393                                 LINE_CHECK("-smps");
4394                 }
4395                 if (get80211val(s, IEEE80211_IOC_RIFS, &val) != -1) {
4396                         if (val)
4397                                 LINE_CHECK("rifs");
4398                         else if (verbose)
4399                                 LINE_CHECK("-rifs");
4400                 }
4401         }
4402
4403         if (get80211val(s, IEEE80211_IOC_WME, &wme) != -1) {
4404                 if (wme)
4405                         LINE_CHECK("wme");
4406                 else if (verbose)
4407                         LINE_CHECK("-wme");
4408         } else
4409                 wme = 0;
4410
4411         if (get80211val(s, IEEE80211_IOC_BURST, &val) != -1) {
4412                 if (val)
4413                         LINE_CHECK("burst");
4414                 else if (verbose)
4415                         LINE_CHECK("-burst");
4416         }
4417
4418         if (get80211val(s, IEEE80211_IOC_FF, &val) != -1) {
4419                 if (val)
4420                         LINE_CHECK("ff");
4421                 else if (verbose)
4422                         LINE_CHECK("-ff");
4423         }
4424         if (get80211val(s, IEEE80211_IOC_TURBOP, &val) != -1) {
4425                 if (val)
4426                         LINE_CHECK("dturbo");
4427                 else if (verbose)
4428                         LINE_CHECK("-dturbo");
4429         }
4430         if (get80211val(s, IEEE80211_IOC_DWDS, &val) != -1) {
4431                 if (val)
4432                         LINE_CHECK("dwds");
4433                 else if (verbose)
4434                         LINE_CHECK("-dwds");
4435         }
4436
4437         if (opmode == IEEE80211_M_HOSTAP) {
4438                 if (get80211val(s, IEEE80211_IOC_HIDESSID, &val) != -1) {
4439                         if (val)
4440                                 LINE_CHECK("hidessid");
4441                         else if (verbose)
4442                                 LINE_CHECK("-hidessid");
4443                 }
4444                 if (get80211val(s, IEEE80211_IOC_APBRIDGE, &val) != -1) {
4445                         if (!val)
4446                                 LINE_CHECK("-apbridge");
4447                         else if (verbose)
4448                                 LINE_CHECK("apbridge");
4449                 }
4450                 if (get80211val(s, IEEE80211_IOC_DTIM_PERIOD, &val) != -1)
4451                         LINE_CHECK("dtimperiod %u", val);
4452
4453                 if (get80211val(s, IEEE80211_IOC_DOTH, &val) != -1) {
4454                         if (!val)
4455                                 LINE_CHECK("-doth");
4456                         else if (verbose)
4457                                 LINE_CHECK("doth");
4458                 }
4459                 if (get80211val(s, IEEE80211_IOC_DFS, &val) != -1) {
4460                         if (!val)
4461                                 LINE_CHECK("-dfs");
4462                         else if (verbose)
4463                                 LINE_CHECK("dfs");
4464                 }
4465                 if (get80211val(s, IEEE80211_IOC_INACTIVITY, &val) != -1) {
4466                         if (!val)
4467                                 LINE_CHECK("-inact");
4468                         else if (verbose)
4469                                 LINE_CHECK("inact");
4470                 }
4471         } else {
4472                 if (get80211val(s, IEEE80211_IOC_ROAMING, &val) != -1) {
4473                         if (val != IEEE80211_ROAMING_AUTO || verbose) {
4474                                 switch (val) {
4475                                 case IEEE80211_ROAMING_DEVICE:
4476                                         LINE_CHECK("roaming DEVICE");
4477                                         break;
4478                                 case IEEE80211_ROAMING_AUTO:
4479                                         LINE_CHECK("roaming AUTO");
4480                                         break;
4481                                 case IEEE80211_ROAMING_MANUAL:
4482                                         LINE_CHECK("roaming MANUAL");
4483                                         break;
4484                                 default:
4485                                         LINE_CHECK("roaming UNKNOWN (0x%x)",
4486                                                 val);
4487                                         break;
4488                                 }
4489                         }
4490                 }
4491         }
4492
4493         if (opmode == IEEE80211_M_AHDEMO) {
4494                 if (get80211val(s, IEEE80211_IOC_TDMA_SLOT, &val) != -1)
4495                         LINE_CHECK("tdmaslot %u", val);
4496                 if (get80211val(s, IEEE80211_IOC_TDMA_SLOTCNT, &val) != -1)
4497                         LINE_CHECK("tdmaslotcnt %u", val);
4498                 if (get80211val(s, IEEE80211_IOC_TDMA_SLOTLEN, &val) != -1)
4499                         LINE_CHECK("tdmaslotlen %u", val);
4500                 if (get80211val(s, IEEE80211_IOC_TDMA_BINTERVAL, &val) != -1)
4501                         LINE_CHECK("tdmabintval %u", val);
4502         } else if (get80211val(s, IEEE80211_IOC_BEACON_INTERVAL, &val) != -1) {
4503                 /* XXX default define not visible */
4504                 if (val != 100 || verbose)
4505                         LINE_CHECK("bintval %u", val);
4506         }
4507
4508         if (wme && verbose) {
4509                 LINE_BREAK();
4510                 list_wme(s);
4511         }
4512         LINE_BREAK();
4513 }
4514
4515 static int
4516 get80211(int s, int type, void *data, int len)
4517 {
4518         struct ieee80211req ireq;
4519
4520         (void) memset(&ireq, 0, sizeof(ireq));
4521         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
4522         ireq.i_type = type;
4523         ireq.i_data = data;
4524         ireq.i_len = len;
4525         return ioctl(s, SIOCG80211, &ireq);
4526 }
4527
4528 static int
4529 get80211len(int s, int type, void *data, int len, int *plen)
4530 {
4531         struct ieee80211req ireq;
4532
4533         (void) memset(&ireq, 0, sizeof(ireq));
4534         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
4535         ireq.i_type = type;
4536         ireq.i_len = len;
4537         assert(ireq.i_len == len);      /* NB: check for 16-bit truncation */
4538         ireq.i_data = data;
4539         if (ioctl(s, SIOCG80211, &ireq) < 0)
4540                 return -1;
4541         *plen = ireq.i_len;
4542         return 0;
4543 }
4544
4545 static int
4546 get80211val(int s, int type, int *val)
4547 {
4548         struct ieee80211req ireq;
4549
4550         (void) memset(&ireq, 0, sizeof(ireq));
4551         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
4552         ireq.i_type = type;
4553         if (ioctl(s, SIOCG80211, &ireq) < 0)
4554                 return -1;
4555         *val = ireq.i_val;
4556         return 0;
4557 }
4558
4559 static void
4560 set80211(int s, int type, int val, int len, void *data)
4561 {
4562         struct ieee80211req     ireq;
4563
4564         (void) memset(&ireq, 0, sizeof(ireq));
4565         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
4566         ireq.i_type = type;
4567         ireq.i_val = val;
4568         ireq.i_len = len;
4569         assert(ireq.i_len == len);      /* NB: check for 16-bit truncation */
4570         ireq.i_data = data;
4571         if (ioctl(s, SIOCS80211, &ireq) < 0)
4572                 err(1, "SIOCS80211");
4573 }
4574
4575 static const char *
4576 get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp)
4577 {
4578         int len;
4579         int hexstr;
4580         u_int8_t *p;
4581
4582         len = *lenp;
4583         p = buf;
4584         hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x');
4585         if (hexstr)
4586                 val += 2;
4587         for (;;) {
4588                 if (*val == '\0')
4589                         break;
4590                 if (sep != NULL && strchr(sep, *val) != NULL) {
4591                         val++;
4592                         break;
4593                 }
4594                 if (hexstr) {
4595                         if (!isxdigit((u_char)val[0])) {
4596                                 warnx("bad hexadecimal digits");
4597                                 return NULL;
4598                         }
4599                         if (!isxdigit((u_char)val[1])) {
4600                                 warnx("odd count hexadecimal digits");
4601                                 return NULL;
4602                         }
4603                 }
4604                 if (p >= buf + len) {
4605                         if (hexstr)
4606                                 warnx("hexadecimal digits too long");
4607                         else
4608                                 warnx("string too long");
4609                         return NULL;
4610                 }
4611                 if (hexstr) {
4612 #define tohex(x)        (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10)
4613                         *p++ = (tohex((u_char)val[0]) << 4) |
4614                             tohex((u_char)val[1]);
4615 #undef tohex
4616                         val += 2;
4617                 } else
4618                         *p++ = *val++;
4619         }
4620         len = p - buf;
4621         /* The string "-" is treated as the empty string. */
4622         if (!hexstr && len == 1 && buf[0] == '-') {
4623                 len = 0;
4624                 memset(buf, 0, *lenp);
4625         } else if (len < *lenp)
4626                 memset(p, 0, *lenp - len);
4627         *lenp = len;
4628         return val;
4629 }
4630
4631 static void
4632 print_string(const u_int8_t *buf, int len)
4633 {
4634         int i;
4635         int hasspc;
4636
4637         i = 0;
4638         hasspc = 0;
4639         for (; i < len; i++) {
4640                 if (!isprint(buf[i]) && buf[i] != '\0')
4641                         break;
4642                 if (isspace(buf[i]))
4643                         hasspc++;
4644         }
4645         if (i == len) {
4646                 if (hasspc || len == 0 || buf[0] == '\0')
4647                         printf("\"%.*s\"", len, buf);
4648                 else
4649                         printf("%.*s", len, buf);
4650         } else {
4651                 printf("0x");
4652                 for (i = 0; i < len; i++)
4653                         printf("%02x", buf[i]);
4654         }
4655 }
4656
4657 /*
4658  * Virtual AP cloning support.
4659  */
4660 static struct ieee80211_clone_params params = {
4661         .icp_opmode     = IEEE80211_M_STA,      /* default to station mode */
4662 };
4663
4664 static void
4665 wlan_create(int s, struct ifreq *ifr)
4666 {
4667         static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
4668
4669         if (params.icp_parent[0] == '\0')
4670                 errx(1, "must specify a parent when creating a wlan device");
4671         if (params.icp_opmode == IEEE80211_M_WDS &&
4672             memcmp(params.icp_bssid, zerobssid, sizeof(zerobssid)) == 0)
4673                 errx(1, "no bssid specified for WDS (use wlanbssid)");
4674         ifr->ifr_data = (caddr_t) &params;
4675         if (ioctl(s, SIOCIFCREATE2, ifr) < 0)
4676                 err(1, "SIOCIFCREATE2");
4677 }
4678
4679 static
4680 DECL_CMD_FUNC(set80211clone_wlandev, arg, d)
4681 {
4682         strlcpy(params.icp_parent, arg, IFNAMSIZ);
4683         clone_setcallback(wlan_create);
4684 }
4685
4686 static
4687 DECL_CMD_FUNC(set80211clone_wlanbssid, arg, d)
4688 {
4689         const struct ether_addr *ea;
4690
4691         ea = ether_aton(arg);
4692         if (ea == NULL)
4693                 errx(1, "%s: cannot parse bssid", arg);
4694         memcpy(params.icp_bssid, ea->octet, IEEE80211_ADDR_LEN);
4695         clone_setcallback(wlan_create);
4696 }
4697
4698 static
4699 DECL_CMD_FUNC(set80211clone_wlanaddr, arg, d)
4700 {
4701         const struct ether_addr *ea;
4702
4703         ea = ether_aton(arg);
4704         if (ea == NULL)
4705                 errx(1, "%s: cannot parse addres", arg);
4706         memcpy(params.icp_macaddr, ea->octet, IEEE80211_ADDR_LEN);
4707         params.icp_flags |= IEEE80211_CLONE_MACADDR;
4708         clone_setcallback(wlan_create);
4709 }
4710
4711 static
4712 DECL_CMD_FUNC(set80211clone_wlanmode, arg, d)
4713 {
4714 #define iseq(a,b)       (strncasecmp(a,b,sizeof(b)-1) == 0)
4715         if (iseq(arg, "sta"))
4716                 params.icp_opmode = IEEE80211_M_STA;
4717         else if (iseq(arg, "ahdemo") || iseq(arg, "adhoc-demo"))
4718                 params.icp_opmode = IEEE80211_M_AHDEMO;
4719         else if (iseq(arg, "ibss") || iseq(arg, "adhoc"))
4720                 params.icp_opmode = IEEE80211_M_IBSS;
4721         else if (iseq(arg, "ap") || iseq(arg, "host"))
4722                 params.icp_opmode = IEEE80211_M_HOSTAP;
4723         else if (iseq(arg, "wds"))
4724                 params.icp_opmode = IEEE80211_M_WDS;
4725         else if (iseq(arg, "monitor"))
4726                 params.icp_opmode = IEEE80211_M_MONITOR;
4727         else if (iseq(arg, "tdma")) {
4728                 params.icp_opmode = IEEE80211_M_AHDEMO;
4729                 params.icp_flags |= IEEE80211_CLONE_TDMA;
4730         } else
4731                 errx(1, "Don't know to create %s for %s", arg, name);
4732         clone_setcallback(wlan_create);
4733 #undef iseq
4734 }
4735
4736 static void
4737 set80211clone_beacons(const char *val, int d, int s, const struct afswtch *rafp)
4738 {
4739         /* NB: inverted sense */
4740         if (d)
4741                 params.icp_flags &= ~IEEE80211_CLONE_NOBEACONS;
4742         else
4743                 params.icp_flags |= IEEE80211_CLONE_NOBEACONS;
4744         clone_setcallback(wlan_create);
4745 }
4746
4747 static void
4748 set80211clone_bssid(const char *val, int d, int s, const struct afswtch *rafp)
4749 {
4750         if (d)
4751                 params.icp_flags |= IEEE80211_CLONE_BSSID;
4752         else
4753                 params.icp_flags &= ~IEEE80211_CLONE_BSSID;
4754         clone_setcallback(wlan_create);
4755 }
4756
4757 static void
4758 set80211clone_wdslegacy(const char *val, int d, int s, const struct afswtch *rafp)
4759 {
4760         if (d)
4761                 params.icp_flags |= IEEE80211_CLONE_WDSLEGACY;
4762         else
4763                 params.icp_flags &= ~IEEE80211_CLONE_WDSLEGACY;
4764         clone_setcallback(wlan_create);
4765 }
4766
4767 static struct cmd ieee80211_cmds[] = {
4768         DEF_CMD_ARG("ssid",             set80211ssid),
4769         DEF_CMD_ARG("nwid",             set80211ssid),
4770         DEF_CMD_ARG("stationname",      set80211stationname),
4771         DEF_CMD_ARG("station",          set80211stationname),   /* BSD/OS */
4772         DEF_CMD_ARG("channel",          set80211channel),
4773         DEF_CMD_ARG("authmode",         set80211authmode),
4774         DEF_CMD_ARG("powersavemode",    set80211powersavemode),
4775         DEF_CMD("powersave",    1,      set80211powersave),
4776         DEF_CMD("-powersave",   0,      set80211powersave),
4777         DEF_CMD_ARG("powersavesleep",   set80211powersavesleep),
4778         DEF_CMD_ARG("wepmode",          set80211wepmode),
4779         DEF_CMD("wep",          1,      set80211wep),
4780         DEF_CMD("-wep",         0,      set80211wep),
4781         DEF_CMD_ARG("deftxkey",         set80211weptxkey),
4782         DEF_CMD_ARG("weptxkey",         set80211weptxkey),
4783         DEF_CMD_ARG("wepkey",           set80211wepkey),
4784         DEF_CMD_ARG("nwkey",            set80211nwkey),         /* NetBSD */
4785         DEF_CMD("-nwkey",       0,      set80211wep),           /* NetBSD */
4786         DEF_CMD_ARG("rtsthreshold",     set80211rtsthreshold),
4787         DEF_CMD_ARG("protmode",         set80211protmode),
4788         DEF_CMD_ARG("txpower",          set80211txpower),
4789         DEF_CMD_ARG("roaming",          set80211roaming),
4790         DEF_CMD("wme",          1,      set80211wme),
4791         DEF_CMD("-wme",         0,      set80211wme),
4792         DEF_CMD("wmm",          1,      set80211wme),
4793         DEF_CMD("-wmm",         0,      set80211wme),
4794         DEF_CMD("hidessid",     1,      set80211hidessid),
4795         DEF_CMD("-hidessid",    0,      set80211hidessid),
4796         DEF_CMD("apbridge",     1,      set80211apbridge),
4797         DEF_CMD("-apbridge",    0,      set80211apbridge),
4798         DEF_CMD_ARG("chanlist",         set80211chanlist),
4799         DEF_CMD_ARG("bssid",            set80211bssid),
4800         DEF_CMD_ARG("ap",               set80211bssid),
4801         DEF_CMD("scan", 0,              set80211scan),
4802         DEF_CMD_ARG("list",             set80211list),
4803         DEF_CMD_ARG2("cwmin",           set80211cwmin),
4804         DEF_CMD_ARG2("cwmax",           set80211cwmax),
4805         DEF_CMD_ARG2("aifs",            set80211aifs),
4806         DEF_CMD_ARG2("txoplimit",       set80211txoplimit),
4807         DEF_CMD_ARG("acm",              set80211acm),
4808         DEF_CMD_ARG("-acm",             set80211noacm),
4809         DEF_CMD_ARG("ack",              set80211ackpolicy),
4810         DEF_CMD_ARG("-ack",             set80211noackpolicy),
4811         DEF_CMD_ARG2("bss:cwmin",       set80211bsscwmin),
4812         DEF_CMD_ARG2("bss:cwmax",       set80211bsscwmax),
4813         DEF_CMD_ARG2("bss:aifs",        set80211bssaifs),
4814         DEF_CMD_ARG2("bss:txoplimit",   set80211bsstxoplimit),
4815         DEF_CMD_ARG("dtimperiod",       set80211dtimperiod),
4816         DEF_CMD_ARG("bintval",          set80211bintval),
4817         DEF_CMD("mac:open",     IEEE80211_MACCMD_POLICY_OPEN,   set80211maccmd),
4818         DEF_CMD("mac:allow",    IEEE80211_MACCMD_POLICY_ALLOW,  set80211maccmd),
4819         DEF_CMD("mac:deny",     IEEE80211_MACCMD_POLICY_DENY,   set80211maccmd),
4820         DEF_CMD("mac:radius",   IEEE80211_MACCMD_POLICY_RADIUS, set80211maccmd),
4821         DEF_CMD("mac:flush",    IEEE80211_MACCMD_FLUSH,         set80211maccmd),
4822         DEF_CMD("mac:detach",   IEEE80211_MACCMD_DETACH,        set80211maccmd),
4823         DEF_CMD_ARG("mac:add",          set80211addmac),
4824         DEF_CMD_ARG("mac:del",          set80211delmac),
4825         DEF_CMD_ARG("mac:kick",         set80211kickmac),
4826         DEF_CMD("pureg",        1,      set80211pureg),
4827         DEF_CMD("-pureg",       0,      set80211pureg),
4828         DEF_CMD("ff",           1,      set80211fastframes),
4829         DEF_CMD("-ff",          0,      set80211fastframes),
4830         DEF_CMD("dturbo",       1,      set80211dturbo),
4831         DEF_CMD("-dturbo",      0,      set80211dturbo),
4832         DEF_CMD("bgscan",       1,      set80211bgscan),
4833         DEF_CMD("-bgscan",      0,      set80211bgscan),
4834         DEF_CMD_ARG("bgscanidle",       set80211bgscanidle),
4835         DEF_CMD_ARG("bgscanintvl",      set80211bgscanintvl),
4836         DEF_CMD_ARG("scanvalid",        set80211scanvalid),
4837         DEF_CMD_ARG("roam:rssi",        set80211roamrssi),
4838         DEF_CMD_ARG("roam:rate",        set80211roamrate),
4839         DEF_CMD_ARG("mcastrate",        set80211mcastrate),
4840         DEF_CMD_ARG("ucastrate",        set80211ucastrate),
4841         DEF_CMD_ARG("mgtrate",          set80211mgtrate),
4842         DEF_CMD_ARG("mgmtrate",         set80211mgtrate),
4843         DEF_CMD_ARG("maxretry",         set80211maxretry),
4844         DEF_CMD_ARG("fragthreshold",    set80211fragthreshold),
4845         DEF_CMD("burst",        1,      set80211burst),
4846         DEF_CMD("-burst",       0,      set80211burst),
4847         DEF_CMD_ARG("bmiss",            set80211bmissthreshold),
4848         DEF_CMD_ARG("bmissthreshold",   set80211bmissthreshold),
4849         DEF_CMD("shortgi",      1,      set80211shortgi),
4850         DEF_CMD("-shortgi",     0,      set80211shortgi),
4851         DEF_CMD("ampdurx",      2,      set80211ampdu),
4852         DEF_CMD("-ampdurx",     -2,     set80211ampdu),
4853         DEF_CMD("ampdutx",      1,      set80211ampdu),
4854         DEF_CMD("-ampdutx",     -1,     set80211ampdu),
4855         DEF_CMD("ampdu",        3,      set80211ampdu),         /* NB: tx+rx */
4856         DEF_CMD("-ampdu",       -3,     set80211ampdu),
4857         DEF_CMD_ARG("ampdulimit",       set80211ampdulimit),
4858         DEF_CMD_ARG("ampdudensity",     set80211ampdudensity),
4859         DEF_CMD("amsdurx",      2,      set80211amsdu),
4860         DEF_CMD("-amsdurx",     -2,     set80211amsdu),
4861         DEF_CMD("amsdutx",      1,      set80211amsdu),
4862         DEF_CMD("-amsdutx",     -1,     set80211amsdu),
4863         DEF_CMD("amsdu",        3,      set80211amsdu),         /* NB: tx+rx */
4864         DEF_CMD("-amsdu",       -3,     set80211amsdu),
4865         DEF_CMD_ARG("amsdulimit",       set80211amsdulimit),
4866         DEF_CMD("puren",        1,      set80211puren),
4867         DEF_CMD("-puren",       0,      set80211puren),
4868         DEF_CMD("doth",         1,      set80211doth),
4869         DEF_CMD("-doth",        0,      set80211doth),
4870         DEF_CMD("dfs",          1,      set80211dfs),
4871         DEF_CMD("-dfs",         0,      set80211dfs),
4872         DEF_CMD("htcompat",     1,      set80211htcompat),
4873         DEF_CMD("-htcompat",    0,      set80211htcompat),
4874         DEF_CMD("dwds",         1,      set80211dwds),
4875         DEF_CMD("-dwds",        0,      set80211dwds),
4876         DEF_CMD("inact",        1,      set80211inact),
4877         DEF_CMD("-inact",       0,      set80211inact),
4878         DEF_CMD("tsn",          1,      set80211tsn),
4879         DEF_CMD("-tsn",         0,      set80211tsn),
4880         DEF_CMD_ARG("regdomain",        set80211regdomain),
4881         DEF_CMD_ARG("country",          set80211country),
4882         DEF_CMD("indoor",       'I',    set80211location),
4883         DEF_CMD("-indoor",      'O',    set80211location),
4884         DEF_CMD("outdoor",      'O',    set80211location),
4885         DEF_CMD("-outdoor",     'I',    set80211location),
4886         DEF_CMD("anywhere",     ' ',    set80211location),
4887         DEF_CMD("ecm",          1,      set80211ecm),
4888         DEF_CMD("-ecm",         0,      set80211ecm),
4889         DEF_CMD("dotd",         1,      set80211dotd),
4890         DEF_CMD("-dotd",        0,      set80211dotd),
4891         DEF_CMD_ARG("htprotmode",       set80211htprotmode),
4892         DEF_CMD("ht20",         1,      set80211htconf),
4893         DEF_CMD("-ht20",        0,      set80211htconf),
4894         DEF_CMD("ht40",         3,      set80211htconf),        /* NB: 20+40 */
4895         DEF_CMD("-ht40",        0,      set80211htconf),
4896         DEF_CMD("ht",           3,      set80211htconf),        /* NB: 20+40 */
4897         DEF_CMD("-ht",          0,      set80211htconf),
4898         DEF_CMD("rifs",         1,      set80211rifs),
4899         DEF_CMD("-rifs",        0,      set80211rifs),
4900         DEF_CMD("smps",         IEEE80211_HTCAP_SMPS_ENA,       set80211smps),
4901         DEF_CMD("smpsdyn",      IEEE80211_HTCAP_SMPS_DYNAMIC,   set80211smps),
4902         DEF_CMD("-smps",        IEEE80211_HTCAP_SMPS_OFF,       set80211smps),
4903         /* XXX for testing */
4904         DEF_CMD_ARG("chanswitch",       set80211chanswitch),
4905
4906         DEF_CMD_ARG("tdmaslot",         set80211tdmaslot),
4907         DEF_CMD_ARG("tdmaslotcnt",      set80211tdmaslotcnt),
4908         DEF_CMD_ARG("tdmaslotlen",      set80211tdmaslotlen),
4909         DEF_CMD_ARG("tdmabintval",      set80211tdmabintval),
4910
4911         /* vap cloning support */
4912         DEF_CLONE_CMD_ARG("wlanaddr",   set80211clone_wlanaddr),
4913         DEF_CLONE_CMD_ARG("wlanbssid",  set80211clone_wlanbssid),
4914         DEF_CLONE_CMD_ARG("wlandev",    set80211clone_wlandev),
4915         DEF_CLONE_CMD_ARG("wlanmode",   set80211clone_wlanmode),
4916         DEF_CLONE_CMD("beacons", 1,     set80211clone_beacons),
4917         DEF_CLONE_CMD("-beacons", 0,    set80211clone_beacons),
4918         DEF_CLONE_CMD("bssid",  1,      set80211clone_bssid),
4919         DEF_CLONE_CMD("-bssid", 0,      set80211clone_bssid),
4920         DEF_CLONE_CMD("wdslegacy", 1,   set80211clone_wdslegacy),
4921         DEF_CLONE_CMD("-wdslegacy", 0,  set80211clone_wdslegacy),
4922 };
4923 static struct afswtch af_ieee80211 = {
4924         .af_name        = "af_ieee80211",
4925         .af_af          = AF_UNSPEC,
4926         .af_other_status = ieee80211_status,
4927 };
4928
4929 static __constructor void
4930 ieee80211_ctor(void)
4931 {
4932 #define N(a)    (sizeof(a) / sizeof(a[0]))
4933         int i;
4934
4935         for (i = 0; i < N(ieee80211_cmds);  i++)
4936                 cmd_register(&ieee80211_cmds[i]);
4937         af_register(&af_ieee80211);
4938 #undef N
4939 }