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  *
  47  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  48  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  49  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  50  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  51  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  52  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  53  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  54  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  55  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  56  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  57  * POSSIBILITY OF SUCH DAMAGE.
  58  */
  59
  60 #include <sys/param.h>
  61 #include <sys/ioctl.h>
  62 #include <sys/socket.h>
  63 #include <sys/sysctl.h>
  64 #include <sys/time.h>
  65
  66 #include <net/ethernet.h>
  67 #include <net/if.h>
  68 #include <net/if_dl.h>
  69 #include <net/if_types.h>
  70 #include <net/if_media.h>
  71 #include <net/route.h>
  72
  73 #include <net80211/ieee80211_ioctl.h>
  74 #include <net80211/ieee80211_freebsd.h>
  75 #include <net80211/ieee80211_superg.h>
  76 #include <net80211/ieee80211_tdma.h>
  77 #include <net80211/ieee80211_mesh.h>
  78
  79 #include <assert.h>
  80 #include <ctype.h>
  81 #include <err.h>
  82 #include <errno.h>
  83 #include <fcntl.h>
  84 #include <inttypes.h>
  85 #include <stdio.h>
  86 #include <stdlib.h>
  87 #include <string.h>
  88 #include <unistd.h>
  89 #include <stdarg.h>
  90 #include <stddef.h>             /* NB: for offsetof */
  91
  92 #include "ifconfig.h"
  93 #include "regdomain.h"
  94
  95 #ifndef IEEE80211_FIXED_RATE_NONE
  96 #define IEEE80211_FIXED_RATE_NONE       0xff
  97 #endif
  98
  99 /* XXX need these publicly defined or similar */
 100 #ifndef IEEE80211_NODE_AUTH
 101 #define IEEE80211_NODE_AUTH     0x000001        /* authorized for data */
 102 #define IEEE80211_NODE_QOS      0x000002        /* QoS enabled */
 103 #define IEEE80211_NODE_ERP      0x000004        /* ERP enabled */
 104 #define IEEE80211_NODE_PWR_MGT  0x000010        /* power save mode enabled */
 105 #define IEEE80211_NODE_AREF     0x000020        /* authentication ref held */
 106 #define IEEE80211_NODE_HT       0x000040        /* HT enabled */
 107 #define IEEE80211_NODE_HTCOMPAT 0x000080        /* HT setup w/ vendor OUI's */
 108 #define IEEE80211_NODE_WPS      0x000100        /* WPS association */
 109 #define IEEE80211_NODE_TSN      0x000200        /* TSN association */
 110 #define IEEE80211_NODE_AMPDU_RX 0x000400        /* AMPDU rx enabled */
 111 #define IEEE80211_NODE_AMPDU_TX 0x000800        /* AMPDU tx enabled */
 112 #define IEEE80211_NODE_MIMO_PS  0x001000        /* MIMO power save enabled */
 113 #define IEEE80211_NODE_MIMO_RTS 0x002000        /* send RTS in MIMO PS */
 114 #define IEEE80211_NODE_RIFS     0x004000        /* RIFS enabled */
 115 #define IEEE80211_NODE_SGI20    0x008000        /* Short GI in HT20 enabled */
 116 #define IEEE80211_NODE_SGI40    0x010000        /* Short GI in HT40 enabled */
 117 #define IEEE80211_NODE_ASSOCID  0x020000        /* xmit requires associd */
 118 #define IEEE80211_NODE_AMSDU_RX 0x040000        /* AMSDU rx enabled */
 119 #define IEEE80211_NODE_AMSDU_TX 0x080000        /* AMSDU tx enabled */
 120 #endif
 121
 122 #define MAXCHAN 1536            /* max 1.5K channels */
 123
 124 #define MAXCOL  78
 125 static  int col;
 126 static  char spacer;
 127
 128 static void LINE_INIT(char c);
 129 static void LINE_BREAK(void);
 130 static void LINE_CHECK(const char *fmt, ...);
 131
 132 static const char *modename[IEEE80211_MODE_MAX] = {
 133         [IEEE80211_MODE_AUTO]     = "auto",
 134         [IEEE80211_MODE_11A]      = "11a",
 135         [IEEE80211_MODE_11B]      = "11b",
 136         [IEEE80211_MODE_11G]      = "11g",
 137         [IEEE80211_MODE_FH]       = "fh",
 138         [IEEE80211_MODE_TURBO_A]  = "turboA",
 139         [IEEE80211_MODE_TURBO_G]  = "turboG",
 140         [IEEE80211_MODE_STURBO_A] = "sturbo",
 141         [IEEE80211_MODE_11NA]     = "11na",
 142         [IEEE80211_MODE_11NG]     = "11ng",
 143         [IEEE80211_MODE_HALF]     = "half",
 144         [IEEE80211_MODE_QUARTER]  = "quarter"
 145 };
 146
 147 static void set80211(int s, int type, int val, int len, void *data);
 148 static int get80211(int s, int type, void *data, int len);
 149 static int get80211len(int s, int type, void *data, int len, int *plen);
 150 static int get80211val(int s, int type, int *val);
 151 static const char *get_string(const char *val, const char *sep,
 152     u_int8_t *buf, int *lenp);
 153 static void print_string(const u_int8_t *buf, int len);
 154 static void print_regdomain(const struct ieee80211_regdomain *, int);
 155 static void print_channels(int, const struct ieee80211req_chaninfo *,
 156     int allchans, int verbose);
 157 static void regdomain_makechannels(struct ieee80211_regdomain_req *,
 158     const struct ieee80211_devcaps_req *);
 159 static const char *mesh_linkstate_string(uint8_t state);
 160
 161 static struct ieee80211req_chaninfo *chaninfo;
 162 static struct ieee80211_regdomain regdomain;
 163 static int gotregdomain = 0;
 164 static struct ieee80211_roamparams_req roamparams;
 165 static int gotroam = 0;
 166 static struct ieee80211_txparams_req txparams;
 167 static int gottxparams = 0;
 168 static struct ieee80211_channel curchan;
 169 static int gotcurchan = 0;
 170 static struct ifmediareq *ifmr;
 171 static int htconf = 0;
 172 static  int gothtconf = 0;
 173
 174 static void
 175 gethtconf(int s)
 176 {
 177         if (gothtconf)
 178                 return;
 179         if (get80211val(s, IEEE80211_IOC_HTCONF, &htconf) < 0)
 180                 warn("unable to get HT configuration information");
 181         gothtconf = 1;
 182 }
 183
 184 /*
 185  * Collect channel info from the kernel.  We use this (mostly)
 186  * to handle mapping between frequency and IEEE channel number.
 187  */
 188 static void
 189 getchaninfo(int s)
 190 {
 191         if (chaninfo != NULL)
 192                 return;
 193         chaninfo = malloc(IEEE80211_CHANINFO_SIZE(MAXCHAN));
 194         if (chaninfo == NULL)
 195                 errx(1, "no space for channel list");
 196         if (get80211(s, IEEE80211_IOC_CHANINFO, chaninfo,
 197             IEEE80211_CHANINFO_SIZE(MAXCHAN)) < 0)
 198                 err(1, "unable to get channel information");
 199         ifmr = ifmedia_getstate(s);
 200         gethtconf(s);
 201 }
 202
 203 static struct regdata *
 204 getregdata(void)
 205 {
 206         static struct regdata *rdp = NULL;
 207         if (rdp == NULL) {
 208                 rdp = lib80211_alloc_regdata();
 209                 if (rdp == NULL)
 210                         errx(-1, "missing or corrupted regdomain database");
 211         }
 212         return rdp;
 213 }
 214
 215 /*
 216  * Given the channel at index i with attributes from,
 217  * check if there is a channel with attributes to in
 218  * the channel table.  With suitable attributes this
 219  * allows the caller to look for promotion; e.g. from
 220  * 11b > 11g.
 221  */
 222 static int
 223 canpromote(int i, int from, int to)
 224 {
 225         const struct ieee80211_channel *fc = &chaninfo->ic_chans[i];
 226         int j;
 227
 228         if ((fc->ic_flags & from) != from)
 229                 return i;
 230         /* NB: quick check exploiting ordering of chans w/ same frequency */
 231         if (i+1 < chaninfo->ic_nchans &&
 232             chaninfo->ic_chans[i+1].ic_freq == fc->ic_freq &&
 233             (chaninfo->ic_chans[i+1].ic_flags & to) == to)
 234                 return i+1;
 235         /* brute force search in case channel list is not ordered */
 236         for (j = 0; j < chaninfo->ic_nchans; j++) {
 237                 const struct ieee80211_channel *tc = &chaninfo->ic_chans[j];
 238                 if (j != i &&
 239                     tc->ic_freq == fc->ic_freq && (tc->ic_flags & to) == to)
 240                 return j;
 241         }
 242         return i;
 243 }
 244
 245 /*
 246  * Handle channel promotion.  When a channel is specified with
 247  * only a frequency we want to promote it to the ``best'' channel
 248  * available.  The channel list has separate entries for 11b, 11g,
 249  * 11a, and 11n[ga] channels so specifying a frequency w/o any
 250  * attributes requires we upgrade, e.g. from 11b -> 11g.  This
 251  * gets complicated when the channel is specified on the same
 252  * command line with a media request that constrains the available
 253  * channe list (e.g. mode 11a); we want to honor that to avoid
 254  * confusing behaviour.
 255  */
 256 static int
 257 promote(int i)
 258 {
 259         /*
 260          * Query the current mode of the interface in case it's
 261          * constrained (e.g. to 11a).  We must do this carefully
 262          * as there may be a pending ifmedia request in which case
 263          * asking the kernel will give us the wrong answer.  This
 264          * is an unfortunate side-effect of the way ifconfig is
 265          * structure for modularity (yech).
 266          *
 267          * NB: ifmr is actually setup in getchaninfo (above); we
 268          *     assume it's called coincident with to this call so
 269          *     we have a ``current setting''; otherwise we must pass
 270          *     the socket descriptor down to here so we can make
 271          *     the ifmedia_getstate call ourselves.
 272          */
 273         int chanmode = ifmr != NULL ? IFM_MODE(ifmr->ifm_current) : IFM_AUTO;
 274
 275         /* when ambiguous promote to ``best'' */
 276         /* NB: we abitrarily pick HT40+ over HT40- */
 277         if (chanmode != IFM_IEEE80211_11B)
 278                 i = canpromote(i, IEEE80211_CHAN_B, IEEE80211_CHAN_G);
 279         if (chanmode != IFM_IEEE80211_11G && (htconf & 1)) {
 280                 i = canpromote(i, IEEE80211_CHAN_G,
 281                         IEEE80211_CHAN_G | IEEE80211_CHAN_HT20);
 282                 if (htconf & 2) {
 283                         i = canpromote(i, IEEE80211_CHAN_G,
 284                                 IEEE80211_CHAN_G | IEEE80211_CHAN_HT40D);
 285                         i = canpromote(i, IEEE80211_CHAN_G,
 286                                 IEEE80211_CHAN_G | IEEE80211_CHAN_HT40U);
 287                 }
 288         }
 289         if (chanmode != IFM_IEEE80211_11A && (htconf & 1)) {
 290                 i = canpromote(i, IEEE80211_CHAN_A,
 291                         IEEE80211_CHAN_A | IEEE80211_CHAN_HT20);
 292                 if (htconf & 2) {
 293                         i = canpromote(i, IEEE80211_CHAN_A,
 294                                 IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D);
 295                         i = canpromote(i, IEEE80211_CHAN_A,
 296                                 IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U);
 297                 }
 298         }
 299         return i;
 300 }
 301
 302 static void
 303 mapfreq(struct ieee80211_channel *chan, int freq, int flags)
 304 {
 305         int i;
 306
 307         for (i = 0; i < chaninfo->ic_nchans; i++) {
 308                 const struct ieee80211_channel *c = &chaninfo->ic_chans[i];
 309
 310                 if (c->ic_freq == freq && (c->ic_flags & flags) == flags) {
 311                         if (flags == 0) {
 312                                 /* when ambiguous promote to ``best'' */
 313                                 c = &chaninfo->ic_chans[promote(i)];
 314                         }
 315                         *chan = *c;
 316                         return;
 317                 }
 318         }
 319         errx(1, "unknown/undefined frequency %u/0x%x", freq, flags);
 320 }
 321
 322 static void
 323 mapchan(struct ieee80211_channel *chan, int ieee, int flags)
 324 {
 325         int i;
 326
 327         for (i = 0; i < chaninfo->ic_nchans; i++) {
 328                 const struct ieee80211_channel *c = &chaninfo->ic_chans[i];
 329
 330                 if (c->ic_ieee == ieee && (c->ic_flags & flags) == flags) {
 331                         if (flags == 0) {
 332                                 /* when ambiguous promote to ``best'' */
 333                                 c = &chaninfo->ic_chans[promote(i)];
 334                         }
 335                         *chan = *c;
 336                         return;
 337                 }
 338         }
 339         errx(1, "unknown/undefined channel number %d flags 0x%x", ieee, flags);
 340 }
 341
 342 static const struct ieee80211_channel *
 343 getcurchan(int s)
 344 {
 345         if (gotcurchan)
 346                 return &curchan;
 347         if (get80211(s, IEEE80211_IOC_CURCHAN, &curchan, sizeof(curchan)) < 0) {
 348                 int val;
 349                 /* fall back to legacy ioctl */
 350                 if (get80211val(s, IEEE80211_IOC_CHANNEL, &val) < 0)
 351                         err(-1, "cannot figure out current channel");
 352                 getchaninfo(s);
 353                 mapchan(&curchan, val, 0);
 354         }
 355         gotcurchan = 1;
 356         return &curchan;
 357 }
 358
 359 static enum ieee80211_phymode
 360 chan2mode(const struct ieee80211_channel *c)
 361 {
 362         if (IEEE80211_IS_CHAN_HTA(c))
 363                 return IEEE80211_MODE_11NA;
 364         if (IEEE80211_IS_CHAN_HTG(c))
 365                 return IEEE80211_MODE_11NG;
 366         if (IEEE80211_IS_CHAN_108A(c))
 367                 return IEEE80211_MODE_TURBO_A;
 368         if (IEEE80211_IS_CHAN_108G(c))
 369                 return IEEE80211_MODE_TURBO_G;
 370         if (IEEE80211_IS_CHAN_ST(c))
 371                 return IEEE80211_MODE_STURBO_A;
 372         if (IEEE80211_IS_CHAN_FHSS(c))
 373                 return IEEE80211_MODE_FH;
 374         if (IEEE80211_IS_CHAN_HALF(c))
 375                 return IEEE80211_MODE_HALF;
 376         if (IEEE80211_IS_CHAN_QUARTER(c))
 377                 return IEEE80211_MODE_QUARTER;
 378         if (IEEE80211_IS_CHAN_A(c))
 379                 return IEEE80211_MODE_11A;
 380         if (IEEE80211_IS_CHAN_ANYG(c))
 381                 return IEEE80211_MODE_11G;
 382         if (IEEE80211_IS_CHAN_B(c))
 383                 return IEEE80211_MODE_11B;
 384         return IEEE80211_MODE_AUTO;
 385 }
 386
 387 static void
 388 getroam(int s)
 389 {
 390         if (gotroam)
 391                 return;
 392         if (get80211(s, IEEE80211_IOC_ROAM,
 393             &roamparams, sizeof(roamparams)) < 0)
 394                 err(1, "unable to get roaming parameters");
 395         gotroam = 1;
 396 }
 397
 398 static void
 399 setroam_cb(int s, void *arg)
 400 {
 401         struct ieee80211_roamparams_req *roam = arg;
 402         set80211(s, IEEE80211_IOC_ROAM, 0, sizeof(*roam), roam);
 403 }
 404
 405 static void
 406 gettxparams(int s)
 407 {
 408         if (gottxparams)
 409                 return;
 410         if (get80211(s, IEEE80211_IOC_TXPARAMS,
 411             &txparams, sizeof(txparams)) < 0)
 412                 err(1, "unable to get transmit parameters");
 413         gottxparams = 1;
 414 }
 415
 416 static void
 417 settxparams_cb(int s, void *arg)
 418 {
 419         struct ieee80211_txparams_req *txp = arg;
 420         set80211(s, IEEE80211_IOC_TXPARAMS, 0, sizeof(*txp), txp);
 421 }
 422
 423 static void
 424 getregdomain(int s)
 425 {
 426         if (gotregdomain)
 427                 return;
 428         if (get80211(s, IEEE80211_IOC_REGDOMAIN,
 429             &regdomain, sizeof(regdomain)) < 0)
 430                 err(1, "unable to get regulatory domain info");
 431         gotregdomain = 1;
 432 }
 433
 434 static void
 435 getdevcaps(int s, struct ieee80211_devcaps_req *dc)
 436 {
 437         if (get80211(s, IEEE80211_IOC_DEVCAPS, dc,
 438             IEEE80211_DEVCAPS_SPACE(dc)) < 0)
 439                 err(1, "unable to get device capabilities");
 440 }
 441
 442 static void
 443 setregdomain_cb(int s, void *arg)
 444 {
 445         struct ieee80211_regdomain_req *req;
 446         struct ieee80211_regdomain *rd = arg;
 447         struct ieee80211_devcaps_req *dc;
 448         struct regdata *rdp = getregdata();
 449
 450         if (rd->country != NO_COUNTRY) {
 451                 const struct country *cc;
 452                 /*
 453                  * Check current country seting to make sure it's
 454                  * compatible with the new regdomain.  If not, then
 455                  * override it with any default country for this
 456                  * SKU.  If we cannot arrange a match, then abort.
 457                  */
 458                 cc = lib80211_country_findbycc(rdp, rd->country);
 459                 if (cc == NULL)
 460                         errx(1, "unknown ISO country code %d", rd->country);
 461                 if (cc->rd->sku != rd->regdomain) {
 462                         const struct regdomain *rp;
 463                         /*
 464                          * Check if country is incompatible with regdomain.
 465                          * To enable multiple regdomains for a country code
 466                          * we permit a mismatch between the regdomain and
 467                          * the country's associated regdomain when the
 468                          * regdomain is setup w/o a default country.  For
 469                          * example, US is bound to the FCC regdomain but
 470                          * we allow US to be combined with FCC3 because FCC3
 471                          * has not default country.  This allows bogus
 472                          * combinations like FCC3+DK which are resolved when
 473                          * constructing the channel list by deferring to the
 474                          * regdomain to construct the channel list.
 475                          */
 476                         rp = lib80211_regdomain_findbysku(rdp, rd->regdomain);
 477                         if (rp == NULL)
 478                                 errx(1, "country %s (%s) is not usable with "
 479                                     "regdomain %d", cc->isoname, cc->name,
 480                                     rd->regdomain);
 481                         else if (rp->cc != NULL && rp->cc != cc)
 482                                 errx(1, "country %s (%s) is not usable with "
 483                                    "regdomain %s", cc->isoname, cc->name,
 484                                    rp->name);
 485                 }
 486         }
 487         /*
 488          * Fetch the device capabilities and calculate the
 489          * full set of netbands for which we request a new
 490          * channel list be constructed.  Once that's done we
 491          * push the regdomain info + channel list to the kernel.
 492          */
 493         dc = malloc(IEEE80211_DEVCAPS_SIZE(MAXCHAN));
 494         if (dc == NULL)
 495                 errx(1, "no space for device capabilities");
 496         dc->dc_chaninfo.ic_nchans = MAXCHAN;
 497         getdevcaps(s, dc);
 498 #if 0
 499         if (verbose) {
 500                 printf("drivercaps: 0x%x\n", dc->dc_drivercaps);
 501                 printf("cryptocaps: 0x%x\n", dc->dc_cryptocaps);
 502                 printf("htcaps    : 0x%x\n", dc->dc_htcaps);
 503                 memcpy(chaninfo, &dc->dc_chaninfo,
 504                     IEEE80211_CHANINFO_SPACE(&dc->dc_chaninfo));
 505                 print_channels(s, &dc->dc_chaninfo, 1/*allchans*/, 1/*verbose*/);
 506         }
 507 #endif
 508         req = malloc(IEEE80211_REGDOMAIN_SIZE(dc->dc_chaninfo.ic_nchans));
 509         if (req == NULL)
 510                 errx(1, "no space for regdomain request");
 511         req->rd = *rd;
 512         regdomain_makechannels(req, dc);
 513         if (verbose) {
 514                 LINE_INIT(':');
 515                 print_regdomain(rd, 1/*verbose*/);
 516                 LINE_BREAK();
 517                 /* blech, reallocate channel list for new data */
 518                 if (chaninfo != NULL)
 519                         free(chaninfo);
 520                 chaninfo = malloc(IEEE80211_CHANINFO_SPACE(&req->chaninfo));
 521                 if (chaninfo == NULL)
 522                         errx(1, "no space for channel list");
 523                 memcpy(chaninfo, &req->chaninfo,
 524                     IEEE80211_CHANINFO_SPACE(&req->chaninfo));
 525                 print_channels(s, &req->chaninfo, 1/*allchans*/, 1/*verbose*/);
 526         }
 527         if (req->chaninfo.ic_nchans == 0)
 528                 errx(1, "no channels calculated");
 529         set80211(s, IEEE80211_IOC_REGDOMAIN, 0,
 530             IEEE80211_REGDOMAIN_SPACE(req), req);
 531         free(req);
 532         free(dc);
 533 }
 534
 535 static int
 536 ieee80211_mhz2ieee(int freq, int flags)
 537 {
 538         struct ieee80211_channel chan;
 539         mapfreq(&chan, freq, flags);
 540         return chan.ic_ieee;
 541 }
 542
 543 static int
 544 isanyarg(const char *arg)
 545 {
 546         return (strncmp(arg, "-", 1) == 0 ||
 547             strncasecmp(arg, "any", 3) == 0 || strncasecmp(arg, "off", 3) == 0);
 548 }
 549
 550 static void
 551 set80211ssid(const char *val, int d, int s, const struct afswtch *rafp)
 552 {
 553         int             ssid;
 554         int             len;
 555         u_int8_t        data[IEEE80211_NWID_LEN];
 556
 557         ssid = 0;
 558         len = strlen(val);
 559         if (len > 2 && isdigit((int)val[0]) && val[1] == ':') {
 560                 ssid = atoi(val)-1;
 561                 val += 2;
 562         }
 563
 564         bzero(data, sizeof(data));
 565         len = sizeof(data);
 566         if (get_string(val, NULL, data, &len) == NULL)
 567                 exit(1);
 568
 569         set80211(s, IEEE80211_IOC_SSID, ssid, len, data);
 570 }
 571
 572 static void
 573 set80211meshid(const char *val, int d, int s, const struct afswtch *rafp)
 574 {
 575         int             len;
 576         u_int8_t        data[IEEE80211_NWID_LEN];
 577
 578         memset(data, 0, sizeof(data));
 579         len = sizeof(data);
 580         if (get_string(val, NULL, data, &len) == NULL)
 581                 exit(1);
 582
 583         set80211(s, IEEE80211_IOC_MESH_ID, 0, len, data);
 584 }
 585
 586 static void
 587 set80211stationname(const char *val, int d, int s, const struct afswtch *rafp)
 588 {
 589         int                     len;
 590         u_int8_t                data[33];
 591
 592         bzero(data, sizeof(data));
 593         len = sizeof(data);
 594         get_string(val, NULL, data, &len);
 595
 596         set80211(s, IEEE80211_IOC_STATIONNAME, 0, len, data);
 597 }
 598
 599 /*
 600  * Parse a channel specification for attributes/flags.
 601  * The syntax is:
 602  *      freq/xx         channel width (5,10,20,40,40+,40-)
 603  *      freq:mode       channel mode (a,b,g,h,n,t,s,d)
 604  *
 605  * These can be combined in either order; e.g. 2437:ng/40.
 606  * Modes are case insensitive.
 607  *
 608  * The result is not validated here; it's assumed to be
 609  * checked against the channel table fetched from the kernel.
 610  */
 611 static int
 612 getchannelflags(const char *val, int freq)
 613 {
 614 #define _CHAN_HT        0x80000000
 615         const char *cp;
 616         int flags;
 617
 618         flags = 0;
 619
 620         cp = strchr(val, ':');
 621         if (cp != NULL) {
 622                 for (cp++; isalpha((int) *cp); cp++) {
 623                         /* accept mixed case */
 624                         int c = *cp;
 625                         if (isupper(c))
 626                                 c = tolower(c);
 627                         switch (c) {
 628                         case 'a':               /* 802.11a */
 629                                 flags |= IEEE80211_CHAN_A;
 630                                 break;
 631                         case 'b':               /* 802.11b */
 632                                 flags |= IEEE80211_CHAN_B;
 633                                 break;
 634                         case 'g':               /* 802.11g */
 635                                 flags |= IEEE80211_CHAN_G;
 636                                 break;
 637                         case 'h':               /* ht = 802.11n */
 638                         case 'n':               /* 802.11n */
 639                                 flags |= _CHAN_HT;      /* NB: private */
 640                                 break;
 641                         case 'd':               /* dt = Atheros Dynamic Turbo */
 642                                 flags |= IEEE80211_CHAN_TURBO;
 643                                 break;
 644                         case 't':               /* ht, dt, st, t */
 645                                 /* dt and unadorned t specify Dynamic Turbo */
 646                                 if ((flags & (IEEE80211_CHAN_STURBO|_CHAN_HT)) == 0)
 647                                         flags |= IEEE80211_CHAN_TURBO;
 648                                 break;
 649                         case 's':               /* st = Atheros Static Turbo */
 650                                 flags |= IEEE80211_CHAN_STURBO;
 651                                 break;
 652                         default:
 653                                 errx(-1, "%s: Invalid channel attribute %c\n",
 654                                     val, *cp);
 655                         }
 656                 }
 657         }
 658         cp = strchr(val, '/');
 659         if (cp != NULL) {
 660                 char *ep;
 661                 u_long cw = strtoul(cp+1, &ep, 10);
 662
 663                 switch (cw) {
 664                 case 5:
 665                         flags |= IEEE80211_CHAN_QUARTER;
 666                         break;
 667                 case 10:
 668                         flags |= IEEE80211_CHAN_HALF;
 669                         break;
 670                 case 20:
 671                         /* NB: this may be removed below */
 672                         flags |= IEEE80211_CHAN_HT20;
 673                         break;
 674                 case 40:
 675                         if (ep != NULL && *ep == '+')
 676                                 flags |= IEEE80211_CHAN_HT40U;
 677                         else if (ep != NULL && *ep == '-')
 678                                 flags |= IEEE80211_CHAN_HT40D;
 679                         break;
 680                 default:
 681                         errx(-1, "%s: Invalid channel width\n", val);
 682                 }
 683         }
 684         /*
 685          * Cleanup specifications.
 686          */
 687         if ((flags & _CHAN_HT) == 0) {
 688                 /*
 689                  * If user specified freq/20 or freq/40 quietly remove
 690                  * HT cw attributes depending on channel use.  To give
 691                  * an explicit 20/40 width for an HT channel you must
 692                  * indicate it is an HT channel since all HT channels
 693                  * are also usable for legacy operation; e.g. freq:n/40.
 694                  */
 695                 flags &= ~IEEE80211_CHAN_HT;
 696         } else {
 697                 /*
 698                  * Remove private indicator that this is an HT channel
 699                  * and if no explicit channel width has been given
 700                  * provide the default settings.
 701                  */
 702                 flags &= ~_CHAN_HT;
 703                 if ((flags & IEEE80211_CHAN_HT) == 0) {
 704                         struct ieee80211_channel chan;
 705                         /*
 706                          * Consult the channel list to see if we can use
 707                          * HT40+ or HT40- (if both the map routines choose).
 708                          */
 709                         if (freq > 255)
 710                                 mapfreq(&chan, freq, 0);
 711                         else
 712                                 mapchan(&chan, freq, 0);
 713                         flags |= (chan.ic_flags & IEEE80211_CHAN_HT);
 714                 }
 715         }
 716         return flags;
 717 #undef _CHAN_HT
 718 }
 719
 720 static void
 721 getchannel(int s, struct ieee80211_channel *chan, const char *val)
 722 {
 723         int v, flags;
 724         char *eptr;
 725
 726         memset(chan, 0, sizeof(*chan));
 727         if (isanyarg(val)) {
 728                 chan->ic_freq = IEEE80211_CHAN_ANY;
 729                 return;
 730         }
 731         getchaninfo(s);
 732         errno = 0;
 733         v = strtol(val, &eptr, 10);
 734         if (val[0] == '\0' || val == eptr || errno == ERANGE ||
 735             /* channel may be suffixed with nothing, :flag, or /width */
 736             (eptr[0] != '\0' && eptr[0] != ':' && eptr[0] != '/'))
 737                 errx(1, "invalid channel specification%s",
 738                     errno == ERANGE ? " (out of range)" : "");
 739         flags = getchannelflags(val, v);
 740         if (v > 255) {          /* treat as frequency */
 741                 mapfreq(chan, v, flags);
 742         } else {
 743                 mapchan(chan, v, flags);
 744         }
 745 }
 746
 747 static void
 748 set80211channel(const char *val, int d, int s, const struct afswtch *rafp)
 749 {
 750         struct ieee80211_channel chan;
 751
 752         getchannel(s, &chan, val);
 753         set80211(s, IEEE80211_IOC_CURCHAN, 0, sizeof(chan), &chan);
 754 }
 755
 756 static void
 757 set80211chanswitch(const char *val, int d, int s, const struct afswtch *rafp)
 758 {
 759         struct ieee80211_chanswitch_req csr;
 760
 761         getchannel(s, &csr.csa_chan, val);
 762         csr.csa_mode = 1;
 763         csr.csa_count = 5;
 764         set80211(s, IEEE80211_IOC_CHANSWITCH, 0, sizeof(csr), &csr);
 765 }
 766
 767 static void
 768 set80211authmode(const char *val, int d, int s, const struct afswtch *rafp)
 769 {
 770         int     mode;
 771
 772         if (strcasecmp(val, "none") == 0) {
 773                 mode = IEEE80211_AUTH_NONE;
 774         } else if (strcasecmp(val, "open") == 0) {
 775                 mode = IEEE80211_AUTH_OPEN;
 776         } else if (strcasecmp(val, "shared") == 0) {
 777                 mode = IEEE80211_AUTH_SHARED;
 778         } else if (strcasecmp(val, "8021x") == 0) {
 779                 mode = IEEE80211_AUTH_8021X;
 780         } else if (strcasecmp(val, "wpa") == 0) {
 781                 mode = IEEE80211_AUTH_WPA;
 782         } else {
 783                 errx(1, "unknown authmode");
 784         }
 785
 786         set80211(s, IEEE80211_IOC_AUTHMODE, mode, 0, NULL);
 787 }
 788
 789 static void
 790 set80211powersavemode(const char *val, int d, int s, const struct afswtch *rafp)
 791 {
 792         int     mode;
 793
 794         if (strcasecmp(val, "off") == 0) {
 795                 mode = IEEE80211_POWERSAVE_OFF;
 796         } else if (strcasecmp(val, "on") == 0) {
 797                 mode = IEEE80211_POWERSAVE_ON;
 798         } else if (strcasecmp(val, "cam") == 0) {
 799                 mode = IEEE80211_POWERSAVE_CAM;
 800         } else if (strcasecmp(val, "psp") == 0) {
 801                 mode = IEEE80211_POWERSAVE_PSP;
 802         } else if (strcasecmp(val, "psp-cam") == 0) {
 803                 mode = IEEE80211_POWERSAVE_PSP_CAM;
 804         } else {
 805                 errx(1, "unknown powersavemode");
 806         }
 807
 808         set80211(s, IEEE80211_IOC_POWERSAVE, mode, 0, NULL);
 809 }
 810
 811 static void
 812 set80211powersave(const char *val, int d, int s, const struct afswtch *rafp)
 813 {
 814         if (d == 0)
 815                 set80211(s, IEEE80211_IOC_POWERSAVE, IEEE80211_POWERSAVE_OFF,
 816                     0, NULL);
 817         else
 818                 set80211(s, IEEE80211_IOC_POWERSAVE, IEEE80211_POWERSAVE_ON,
 819                     0, NULL);
 820 }
 821
 822 static void
 823 set80211powersavesleep(const char *val, int d, int s, const struct afswtch *rafp)
 824 {
 825         set80211(s, IEEE80211_IOC_POWERSAVESLEEP, atoi(val), 0, NULL);
 826 }
 827
 828 static void
 829 set80211wepmode(const char *val, int d, int s, const struct afswtch *rafp)
 830 {
 831         int     mode;
 832
 833         if (strcasecmp(val, "off") == 0) {
 834                 mode = IEEE80211_WEP_OFF;
 835         } else if (strcasecmp(val, "on") == 0) {
 836                 mode = IEEE80211_WEP_ON;
 837         } else if (strcasecmp(val, "mixed") == 0) {
 838                 mode = IEEE80211_WEP_MIXED;
 839         } else {
 840                 errx(1, "unknown wep mode");
 841         }
 842
 843         set80211(s, IEEE80211_IOC_WEP, mode, 0, NULL);
 844 }
 845
 846 static void
 847 set80211wep(const char *val, int d, int s, const struct afswtch *rafp)
 848 {
 849         set80211(s, IEEE80211_IOC_WEP, d, 0, NULL);
 850 }
 851
 852 static int
 853 isundefarg(const char *arg)
 854 {
 855         return (strcmp(arg, "-") == 0 || strncasecmp(arg, "undef", 5) == 0);
 856 }
 857
 858 static void
 859 set80211weptxkey(const char *val, int d, int s, const struct afswtch *rafp)
 860 {
 861         if (isundefarg(val))
 862                 set80211(s, IEEE80211_IOC_WEPTXKEY, IEEE80211_KEYIX_NONE, 0, NULL);
 863         else
 864                 set80211(s, IEEE80211_IOC_WEPTXKEY, atoi(val)-1, 0, NULL);
 865 }
 866
 867 static void
 868 set80211wepkey(const char *val, int d, int s, const struct afswtch *rafp)
 869 {
 870         int             key = 0;
 871         int             len;
 872         u_int8_t        data[IEEE80211_KEYBUF_SIZE];
 873
 874         if (isdigit((int)val[0]) && val[1] == ':') {
 875                 key = atoi(val)-1;
 876                 val += 2;
 877         }
 878
 879         bzero(data, sizeof(data));
 880         len = sizeof(data);
 881         get_string(val, NULL, data, &len);
 882
 883         set80211(s, IEEE80211_IOC_WEPKEY, key, len, data);
 884 }
 885
 886 /*
 887  * This function is purely a NetBSD compatibility interface.  The NetBSD
 888  * interface is too inflexible, but it's there so we'll support it since
 889  * it's not all that hard.
 890  */
 891 static void
 892 set80211nwkey(const char *val, int d, int s, const struct afswtch *rafp)
 893 {
 894         int             txkey;
 895         int             i, len;
 896         u_int8_t        data[IEEE80211_KEYBUF_SIZE];
 897
 898         set80211(s, IEEE80211_IOC_WEP, IEEE80211_WEP_ON, 0, NULL);
 899
 900         if (isdigit((int)val[0]) && val[1] == ':') {
 901                 txkey = val[0]-'0'-1;
 902                 val += 2;
 903
 904                 for (i = 0; i < 4; i++) {
 905                         bzero(data, sizeof(data));
 906                         len = sizeof(data);
 907                         val = get_string(val, ",", data, &len);
 908                         if (val == NULL)
 909                                 exit(1);
 910
 911                         set80211(s, IEEE80211_IOC_WEPKEY, i, len, data);
 912                 }
 913         } else {
 914                 bzero(data, sizeof(data));
 915                 len = sizeof(data);
 916                 get_string(val, NULL, data, &len);
 917                 txkey = 0;
 918
 919                 set80211(s, IEEE80211_IOC_WEPKEY, 0, len, data);
 920
 921                 bzero(data, sizeof(data));
 922                 for (i = 1; i < 4; i++)
 923                         set80211(s, IEEE80211_IOC_WEPKEY, i, 0, data);
 924         }
 925
 926         set80211(s, IEEE80211_IOC_WEPTXKEY, txkey, 0, NULL);
 927 }
 928
 929 static void
 930 set80211rtsthreshold(const char *val, int d, int s, const struct afswtch *rafp)
 931 {
 932         set80211(s, IEEE80211_IOC_RTSTHRESHOLD,
 933                 isundefarg(val) ? IEEE80211_RTS_MAX : atoi(val), 0, NULL);
 934 }
 935
 936 static void
 937 set80211protmode(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 (strcasecmp(val, "cts") == 0) {
 944                 mode = IEEE80211_PROTMODE_CTS;
 945         } else if (strncasecmp(val, "rtscts", 3) == 0) {
 946                 mode = IEEE80211_PROTMODE_RTSCTS;
 947         } else {
 948                 errx(1, "unknown protection mode");
 949         }
 950
 951         set80211(s, IEEE80211_IOC_PROTMODE, mode, 0, NULL);
 952 }
 953
 954 static void
 955 set80211htprotmode(const char *val, int d, int s, const struct afswtch *rafp)
 956 {
 957         int     mode;
 958
 959         if (strcasecmp(val, "off") == 0) {
 960                 mode = IEEE80211_PROTMODE_OFF;
 961         } else if (strncasecmp(val, "rts", 3) == 0) {
 962                 mode = IEEE80211_PROTMODE_RTSCTS;
 963         } else {
 964                 errx(1, "unknown protection mode");
 965         }
 966
 967         set80211(s, IEEE80211_IOC_HTPROTMODE, mode, 0, NULL);
 968 }
 969
 970 static void
 971 set80211txpower(const char *val, int d, int s, const struct afswtch *rafp)
 972 {
 973         double v = atof(val);
 974         int txpow;
 975
 976         txpow = (int) (2*v);
 977         if (txpow != 2*v)
 978                 errx(-1, "invalid tx power (must be .5 dBm units)");
 979         set80211(s, IEEE80211_IOC_TXPOWER, txpow, 0, NULL);
 980 }
 981
 982 #define IEEE80211_ROAMING_DEVICE        0
 983 #define IEEE80211_ROAMING_AUTO          1
 984 #define IEEE80211_ROAMING_MANUAL        2
 985
 986 static void
 987 set80211roaming(const char *val, int d, int s, const struct afswtch *rafp)
 988 {
 989         int mode;
 990
 991         if (strcasecmp(val, "device") == 0) {
 992                 mode = IEEE80211_ROAMING_DEVICE;
 993         } else if (strcasecmp(val, "auto") == 0) {
 994                 mode = IEEE80211_ROAMING_AUTO;
 995         } else if (strcasecmp(val, "manual") == 0) {
 996                 mode = IEEE80211_ROAMING_MANUAL;
 997         } else {
 998                 errx(1, "unknown roaming mode");
 999         }
1000         set80211(s, IEEE80211_IOC_ROAMING, mode, 0, NULL);
1001 }
1002
1003 static void
1004 set80211wme(const char *val, int d, int s, const struct afswtch *rafp)
1005 {
1006         set80211(s, IEEE80211_IOC_WME, d, 0, NULL);
1007 }
1008
1009 static void
1010 set80211hidessid(const char *val, int d, int s, const struct afswtch *rafp)
1011 {
1012         set80211(s, IEEE80211_IOC_HIDESSID, d, 0, NULL);
1013 }
1014
1015 static void
1016 set80211apbridge(const char *val, int d, int s, const struct afswtch *rafp)
1017 {
1018         set80211(s, IEEE80211_IOC_APBRIDGE, d, 0, NULL);
1019 }
1020
1021 static void
1022 set80211fastframes(const char *val, int d, int s, const struct afswtch *rafp)
1023 {
1024         set80211(s, IEEE80211_IOC_FF, d, 0, NULL);
1025 }
1026
1027 static void
1028 set80211dturbo(const char *val, int d, int s, const struct afswtch *rafp)
1029 {
1030         set80211(s, IEEE80211_IOC_TURBOP, d, 0, NULL);
1031 }
1032
1033 static void
1034 set80211chanlist(const char *val, int d, int s, const struct afswtch *rafp)
1035 {
1036         struct ieee80211req_chanlist chanlist;
1037         char *temp, *cp, *tp;
1038
1039         temp = malloc(strlen(val) + 1);
1040         if (temp == NULL)
1041                 errx(1, "malloc failed");
1042         strcpy(temp, val);
1043         memset(&chanlist, 0, sizeof(chanlist));
1044         cp = temp;
1045         for (;;) {
1046                 int first, last, f, c;
1047
1048                 tp = strchr(cp, ',');
1049                 if (tp != NULL)
1050                         *tp++ = '\0';
1051                 switch (sscanf(cp, "%u-%u", &first, &last)) {
1052                 case 1:
1053                         if (first > IEEE80211_CHAN_MAX)
1054                                 errx(-1, "channel %u out of range, max %u",
1055                                         first, IEEE80211_CHAN_MAX);
1056                         setbit(chanlist.ic_channels, first);
1057                         break;
1058                 case 2:
1059                         if (first > IEEE80211_CHAN_MAX)
1060                                 errx(-1, "channel %u out of range, max %u",
1061                                         first, IEEE80211_CHAN_MAX);
1062                         if (last > IEEE80211_CHAN_MAX)
1063                                 errx(-1, "channel %u out of range, max %u",
1064                                         last, IEEE80211_CHAN_MAX);
1065                         if (first > last)
1066                                 errx(-1, "void channel range, %u > %u",
1067                                         first, last);
1068                         for (f = first; f <= last; f++)
1069                                 setbit(chanlist.ic_channels, f);
1070                         break;
1071                 }
1072                 if (tp == NULL)
1073                         break;
1074                 c = *tp;
1075                 while (isspace(c))
1076                         tp++;
1077                 if (!isdigit(c))
1078                         break;
1079                 cp = tp;
1080         }
1081         set80211(s, IEEE80211_IOC_CHANLIST, 0, sizeof(chanlist), &chanlist);
1082 }
1083
1084 static void
1085 set80211bssid(const char *val, int d, int s, const struct afswtch *rafp)
1086 {
1087
1088         if (!isanyarg(val)) {
1089                 char *temp;
1090                 struct sockaddr_dl sdl;
1091
1092                 temp = malloc(strlen(val) + 2); /* ':' and '\0' */
1093                 if (temp == NULL)
1094                         errx(1, "malloc failed");
1095                 temp[0] = ':';
1096                 strcpy(temp + 1, val);
1097                 sdl.sdl_len = sizeof(sdl);
1098                 link_addr(temp, &sdl);
1099                 free(temp);
1100                 if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
1101                         errx(1, "malformed link-level address");
1102                 set80211(s, IEEE80211_IOC_BSSID, 0,
1103                         IEEE80211_ADDR_LEN, LLADDR(&sdl));
1104         } else {
1105                 uint8_t zerobssid[IEEE80211_ADDR_LEN];
1106                 memset(zerobssid, 0, sizeof(zerobssid));
1107                 set80211(s, IEEE80211_IOC_BSSID, 0,
1108                         IEEE80211_ADDR_LEN, zerobssid);
1109         }
1110 }
1111
1112 static int
1113 getac(const char *ac)
1114 {
1115         if (strcasecmp(ac, "ac_be") == 0 || strcasecmp(ac, "be") == 0)
1116                 return WME_AC_BE;
1117         if (strcasecmp(ac, "ac_bk") == 0 || strcasecmp(ac, "bk") == 0)
1118                 return WME_AC_BK;
1119         if (strcasecmp(ac, "ac_vi") == 0 || strcasecmp(ac, "vi") == 0)
1120                 return WME_AC_VI;
1121         if (strcasecmp(ac, "ac_vo") == 0 || strcasecmp(ac, "vo") == 0)
1122                 return WME_AC_VO;
1123         errx(1, "unknown wme access class %s", ac);
1124 }
1125
1126 static
1127 DECL_CMD_FUNC2(set80211cwmin, ac, val)
1128 {
1129         set80211(s, IEEE80211_IOC_WME_CWMIN, atoi(val), getac(ac), NULL);
1130 }
1131
1132 static
1133 DECL_CMD_FUNC2(set80211cwmax, ac, val)
1134 {
1135         set80211(s, IEEE80211_IOC_WME_CWMAX, atoi(val), getac(ac), NULL);
1136 }
1137
1138 static
1139 DECL_CMD_FUNC2(set80211aifs, ac, val)
1140 {
1141         set80211(s, IEEE80211_IOC_WME_AIFS, atoi(val), getac(ac), NULL);
1142 }
1143
1144 static
1145 DECL_CMD_FUNC2(set80211txoplimit, ac, val)
1146 {
1147         set80211(s, IEEE80211_IOC_WME_TXOPLIMIT, atoi(val), getac(ac), NULL);
1148 }
1149
1150 static
1151 DECL_CMD_FUNC(set80211acm, ac, d)
1152 {
1153         set80211(s, IEEE80211_IOC_WME_ACM, 1, getac(ac), NULL);
1154 }
1155 static
1156 DECL_CMD_FUNC(set80211noacm, ac, d)
1157 {
1158         set80211(s, IEEE80211_IOC_WME_ACM, 0, getac(ac), NULL);
1159 }
1160
1161 static
1162 DECL_CMD_FUNC(set80211ackpolicy, ac, d)
1163 {
1164         set80211(s, IEEE80211_IOC_WME_ACKPOLICY, 1, getac(ac), NULL);
1165 }
1166 static
1167 DECL_CMD_FUNC(set80211noackpolicy, ac, d)
1168 {
1169         set80211(s, IEEE80211_IOC_WME_ACKPOLICY, 0, getac(ac), NULL);
1170 }
1171
1172 static
1173 DECL_CMD_FUNC2(set80211bsscwmin, ac, val)
1174 {
1175         set80211(s, IEEE80211_IOC_WME_CWMIN, atoi(val),
1176                 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
1177 }
1178
1179 static
1180 DECL_CMD_FUNC2(set80211bsscwmax, ac, val)
1181 {
1182         set80211(s, IEEE80211_IOC_WME_CWMAX, atoi(val),
1183                 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
1184 }
1185
1186 static
1187 DECL_CMD_FUNC2(set80211bssaifs, ac, val)
1188 {
1189         set80211(s, IEEE80211_IOC_WME_AIFS, atoi(val),
1190                 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
1191 }
1192
1193 static
1194 DECL_CMD_FUNC2(set80211bsstxoplimit, ac, val)
1195 {
1196         set80211(s, IEEE80211_IOC_WME_TXOPLIMIT, atoi(val),
1197                 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
1198 }
1199
1200 static
1201 DECL_CMD_FUNC(set80211dtimperiod, val, d)
1202 {
1203         set80211(s, IEEE80211_IOC_DTIM_PERIOD, atoi(val), 0, NULL);
1204 }
1205
1206 static
1207 DECL_CMD_FUNC(set80211bintval, val, d)
1208 {
1209         set80211(s, IEEE80211_IOC_BEACON_INTERVAL, atoi(val), 0, NULL);
1210 }
1211
1212 static void
1213 set80211macmac(int s, int op, const char *val)
1214 {
1215         char *temp;
1216         struct sockaddr_dl sdl;
1217
1218         temp = malloc(strlen(val) + 2); /* ':' and '\0' */
1219         if (temp == NULL)
1220                 errx(1, "malloc failed");
1221         temp[0] = ':';
1222         strcpy(temp + 1, val);
1223         sdl.sdl_len = sizeof(sdl);
1224         link_addr(temp, &sdl);
1225         free(temp);
1226         if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
1227                 errx(1, "malformed link-level address");
1228         set80211(s, op, 0, IEEE80211_ADDR_LEN, LLADDR(&sdl));
1229 }
1230
1231 static
1232 DECL_CMD_FUNC(set80211addmac, val, d)
1233 {
1234         set80211macmac(s, IEEE80211_IOC_ADDMAC, val);
1235 }
1236
1237 static
1238 DECL_CMD_FUNC(set80211delmac, val, d)
1239 {
1240         set80211macmac(s, IEEE80211_IOC_DELMAC, val);
1241 }
1242
1243 static
1244 DECL_CMD_FUNC(set80211kickmac, val, d)
1245 {
1246         char *temp;
1247         struct sockaddr_dl sdl;
1248         struct ieee80211req_mlme mlme;
1249
1250         temp = malloc(strlen(val) + 2); /* ':' and '\0' */
1251         if (temp == NULL)
1252                 errx(1, "malloc failed");
1253         temp[0] = ':';
1254         strcpy(temp + 1, val);
1255         sdl.sdl_len = sizeof(sdl);
1256         link_addr(temp, &sdl);
1257         free(temp);
1258         if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
1259                 errx(1, "malformed link-level address");
1260         memset(&mlme, 0, sizeof(mlme));
1261         mlme.im_op = IEEE80211_MLME_DEAUTH;
1262         mlme.im_reason = IEEE80211_REASON_AUTH_EXPIRE;
1263         memcpy(mlme.im_macaddr, LLADDR(&sdl), IEEE80211_ADDR_LEN);
1264         set80211(s, IEEE80211_IOC_MLME, 0, sizeof(mlme), &mlme);
1265 }
1266
1267 static
1268 DECL_CMD_FUNC(set80211maccmd, val, d)
1269 {
1270         set80211(s, IEEE80211_IOC_MACCMD, d, 0, NULL);
1271 }
1272
1273 static void
1274 set80211meshrtmac(int s, int req, const char *val)
1275 {
1276         char *temp;
1277         struct sockaddr_dl sdl;
1278
1279         temp = malloc(strlen(val) + 2); /* ':' and '\0' */
1280         if (temp == NULL)
1281                 errx(1, "malloc failed");
1282         temp[0] = ':';
1283         strcpy(temp + 1, val);
1284         sdl.sdl_len = sizeof(sdl);
1285         link_addr(temp, &sdl);
1286         free(temp);
1287         if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
1288                 errx(1, "malformed link-level address");
1289         set80211(s, IEEE80211_IOC_MESH_RTCMD, req,
1290             IEEE80211_ADDR_LEN, LLADDR(&sdl));
1291 }
1292
1293 static
1294 DECL_CMD_FUNC(set80211addmeshrt, val, d)
1295 {
1296         set80211meshrtmac(s, IEEE80211_MESH_RTCMD_ADD, val);
1297 }
1298
1299 static
1300 DECL_CMD_FUNC(set80211delmeshrt, val, d)
1301 {
1302         set80211meshrtmac(s, IEEE80211_MESH_RTCMD_DELETE, val);
1303 }
1304
1305 static
1306 DECL_CMD_FUNC(set80211meshrtcmd, val, d)
1307 {
1308         set80211(s, IEEE80211_IOC_MESH_RTCMD, d, 0, NULL);
1309 }
1310
1311 static
1312 DECL_CMD_FUNC(set80211hwmprootmode, val, d)
1313 {
1314         int mode;
1315
1316         if (strcasecmp(val, "normal") == 0)
1317                 mode = IEEE80211_HWMP_ROOTMODE_NORMAL;
1318         else if (strcasecmp(val, "proactive") == 0)
1319                 mode = IEEE80211_HWMP_ROOTMODE_PROACTIVE;
1320         else if (strcasecmp(val, "rann") == 0)
1321                 mode = IEEE80211_HWMP_ROOTMODE_RANN;
1322         else
1323                 mode = IEEE80211_HWMP_ROOTMODE_DISABLED;
1324         set80211(s, IEEE80211_IOC_HWMP_ROOTMODE, mode, 0, NULL);
1325 }
1326
1327 static
1328 DECL_CMD_FUNC(set80211hwmpmaxhops, val, d)
1329 {
1330         set80211(s, IEEE80211_IOC_HWMP_MAXHOPS, atoi(val), 0, NULL);
1331 }
1332
1333 static void
1334 set80211pureg(const char *val, int d, int s, const struct afswtch *rafp)
1335 {
1336         set80211(s, IEEE80211_IOC_PUREG, d, 0, NULL);
1337 }
1338
1339 static void
1340 set80211quiet(const char *val, int d, int s, const struct afswtch *rafp)
1341 {
1342         set80211(s, IEEE80211_IOC_QUIET, d, 0, NULL);
1343 }
1344
1345 static
1346 DECL_CMD_FUNC(set80211quietperiod, val, d)
1347 {
1348         set80211(s, IEEE80211_IOC_QUIET_PERIOD, atoi(val), 0, NULL);
1349 }
1350
1351 static
1352 DECL_CMD_FUNC(set80211quietcount, val, d)
1353 {
1354         set80211(s, IEEE80211_IOC_QUIET_COUNT, atoi(val), 0, NULL);
1355 }
1356
1357 static
1358 DECL_CMD_FUNC(set80211quietduration, val, d)
1359 {
1360         set80211(s, IEEE80211_IOC_QUIET_DUR, atoi(val), 0, NULL);
1361 }
1362
1363 static
1364 DECL_CMD_FUNC(set80211quietoffset, val, d)
1365 {
1366         set80211(s, IEEE80211_IOC_QUIET_OFFSET, atoi(val), 0, NULL);
1367 }
1368
1369 static void
1370 set80211bgscan(const char *val, int d, int s, const struct afswtch *rafp)
1371 {
1372         set80211(s, IEEE80211_IOC_BGSCAN, d, 0, NULL);
1373 }
1374
1375 static
1376 DECL_CMD_FUNC(set80211bgscanidle, val, d)
1377 {
1378         set80211(s, IEEE80211_IOC_BGSCAN_IDLE, atoi(val), 0, NULL);
1379 }
1380
1381 static
1382 DECL_CMD_FUNC(set80211bgscanintvl, val, d)
1383 {
1384         set80211(s, IEEE80211_IOC_BGSCAN_INTERVAL, atoi(val), 0, NULL);
1385 }
1386
1387 static
1388 DECL_CMD_FUNC(set80211scanvalid, val, d)
1389 {
1390         set80211(s, IEEE80211_IOC_SCANVALID, atoi(val), 0, NULL);
1391 }
1392
1393 /*
1394  * Parse an optional trailing specification of which netbands
1395  * to apply a parameter to.  This is basically the same syntax
1396  * as used for channels but you can concatenate to specify
1397  * multiple.  For example:
1398  *      14:abg          apply to 11a, 11b, and 11g
1399  *      6:ht            apply to 11na and 11ng
1400  * We don't make a big effort to catch silly things; this is
1401  * really a convenience mechanism.
1402  */
1403 static int
1404 getmodeflags(const char *val)
1405 {
1406         const char *cp;
1407         int flags;
1408
1409         flags = 0;
1410
1411         cp = strchr(val, ':');
1412         if (cp != NULL) {
1413                 for (cp++; isalpha((int) *cp); cp++) {
1414                         /* accept mixed case */
1415                         int c = *cp;
1416                         if (isupper(c))
1417                                 c = tolower(c);
1418                         switch (c) {
1419                         case 'a':               /* 802.11a */
1420                                 flags |= IEEE80211_CHAN_A;
1421                                 break;
1422                         case 'b':               /* 802.11b */
1423                                 flags |= IEEE80211_CHAN_B;
1424                                 break;
1425                         case 'g':               /* 802.11g */
1426                                 flags |= IEEE80211_CHAN_G;
1427                                 break;
1428                         case 'n':               /* 802.11n */
1429                                 flags |= IEEE80211_CHAN_HT;
1430                                 break;
1431                         case 'd':               /* dt = Atheros Dynamic Turbo */
1432                                 flags |= IEEE80211_CHAN_TURBO;
1433                                 break;
1434                         case 't':               /* ht, dt, st, t */
1435                                 /* dt and unadorned t specify Dynamic Turbo */
1436                                 if ((flags & (IEEE80211_CHAN_STURBO|IEEE80211_CHAN_HT)) == 0)
1437                                         flags |= IEEE80211_CHAN_TURBO;
1438                                 break;
1439                         case 's':               /* st = Atheros Static Turbo */
1440                                 flags |= IEEE80211_CHAN_STURBO;
1441                                 break;
1442                         case 'h':               /* 1/2-width channels */
1443                                 flags |= IEEE80211_CHAN_HALF;
1444                                 break;
1445                         case 'q':               /* 1/4-width channels */
1446                                 flags |= IEEE80211_CHAN_QUARTER;
1447                                 break;
1448                         default:
1449                                 errx(-1, "%s: Invalid mode attribute %c\n",
1450                                     val, *cp);
1451                         }
1452                 }
1453         }
1454         return flags;
1455 }
1456
1457 #define IEEE80211_CHAN_HTA      (IEEE80211_CHAN_HT|IEEE80211_CHAN_5GHZ)
1458 #define IEEE80211_CHAN_HTG      (IEEE80211_CHAN_HT|IEEE80211_CHAN_2GHZ)
1459
1460 #define _APPLY(_flags, _base, _param, _v) do {                          \
1461     if (_flags & IEEE80211_CHAN_HT) {                                   \
1462             if ((_flags & (IEEE80211_CHAN_5GHZ|IEEE80211_CHAN_2GHZ)) == 0) {\
1463                     _base.params[IEEE80211_MODE_11NA]._param = _v;      \
1464                     _base.params[IEEE80211_MODE_11NG]._param = _v;      \
1465             } else if (_flags & IEEE80211_CHAN_5GHZ)                    \
1466                     _base.params[IEEE80211_MODE_11NA]._param = _v;      \
1467             else                                                        \
1468                     _base.params[IEEE80211_MODE_11NG]._param = _v;      \
1469     }                                                                   \
1470     if (_flags & IEEE80211_CHAN_TURBO) {                                \
1471             if ((_flags & (IEEE80211_CHAN_5GHZ|IEEE80211_CHAN_2GHZ)) == 0) {\
1472                     _base.params[IEEE80211_MODE_TURBO_A]._param = _v;   \
1473                     _base.params[IEEE80211_MODE_TURBO_G]._param = _v;   \
1474             } else if (_flags & IEEE80211_CHAN_5GHZ)                    \
1475                     _base.params[IEEE80211_MODE_TURBO_A]._param = _v;   \
1476             else                                                        \
1477                     _base.params[IEEE80211_MODE_TURBO_G]._param = _v;   \
1478     }                                                                   \
1479     if (_flags & IEEE80211_CHAN_STURBO)                                 \
1480             _base.params[IEEE80211_MODE_STURBO_A]._param = _v;          \
1481     if ((_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A)                \
1482             _base.params[IEEE80211_MODE_11A]._param = _v;               \
1483     if ((_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)                \
1484             _base.params[IEEE80211_MODE_11G]._param = _v;               \
1485     if ((_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B)                \
1486             _base.params[IEEE80211_MODE_11B]._param = _v;               \
1487     if (_flags & IEEE80211_CHAN_HALF)                                   \
1488             _base.params[IEEE80211_MODE_HALF]._param = _v;              \
1489     if (_flags & IEEE80211_CHAN_QUARTER)                                \
1490             _base.params[IEEE80211_MODE_QUARTER]._param = _v;           \
1491 } while (0)
1492 #define _APPLY1(_flags, _base, _param, _v) do {                         \
1493     if (_flags & IEEE80211_CHAN_HT) {                                   \
1494             if (_flags & IEEE80211_CHAN_5GHZ)                           \
1495                     _base.params[IEEE80211_MODE_11NA]._param = _v;      \
1496             else                                                        \
1497                     _base.params[IEEE80211_MODE_11NG]._param = _v;      \
1498     } else if ((_flags & IEEE80211_CHAN_108A) == IEEE80211_CHAN_108A)   \
1499             _base.params[IEEE80211_MODE_TURBO_A]._param = _v;           \
1500     else if ((_flags & IEEE80211_CHAN_108G) == IEEE80211_CHAN_108G)     \
1501             _base.params[IEEE80211_MODE_TURBO_G]._param = _v;           \
1502     else if ((_flags & IEEE80211_CHAN_ST) == IEEE80211_CHAN_ST)         \
1503             _base.params[IEEE80211_MODE_STURBO_A]._param = _v;          \
1504     else if (_flags & IEEE80211_CHAN_HALF)                              \
1505             _base.params[IEEE80211_MODE_HALF]._param = _v;              \
1506     else if (_flags & IEEE80211_CHAN_QUARTER)                           \
1507             _base.params[IEEE80211_MODE_QUARTER]._param = _v;           \
1508     else if ((_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A)           \
1509             _base.params[IEEE80211_MODE_11A]._param = _v;               \
1510     else if ((_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)           \
1511             _base.params[IEEE80211_MODE_11G]._param = _v;               \
1512     else if ((_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B)           \
1513             _base.params[IEEE80211_MODE_11B]._param = _v;               \
1514 } while (0)
1515 #define _APPLY_RATE(_flags, _base, _param, _v) do {                     \
1516     if (_flags & IEEE80211_CHAN_HT) {                                   \
1517         (_v) = (_v / 2) | IEEE80211_RATE_MCS;                           \
1518     }                                                                   \
1519     _APPLY(_flags, _base, _param, _v);                                  \
1520 } while (0)
1521 #define _APPLY_RATE1(_flags, _base, _param, _v) do {                    \
1522     if (_flags & IEEE80211_CHAN_HT) {                                   \
1523         (_v) = (_v / 2) | IEEE80211_RATE_MCS;                           \
1524     }                                                                   \
1525     _APPLY1(_flags, _base, _param, _v);                                 \
1526 } while (0)
1527
1528 static
1529 DECL_CMD_FUNC(set80211roamrssi, val, d)
1530 {
1531         double v = atof(val);
1532         int rssi, flags;
1533
1534         rssi = (int) (2*v);
1535         if (rssi != 2*v)
1536                 errx(-1, "invalid rssi (must be .5 dBm units)");
1537         flags = getmodeflags(val);
1538         getroam(s);
1539         if (flags == 0) {               /* NB: no flags => current channel */
1540                 flags = getcurchan(s)->ic_flags;
1541                 _APPLY1(flags, roamparams, rssi, rssi);
1542         } else
1543                 _APPLY(flags, roamparams, rssi, rssi);
1544         callback_register(setroam_cb, &roamparams);
1545 }
1546
1547 static int
1548 getrate(const char *val, const char *tag)
1549 {
1550         double v = atof(val);
1551         int rate;
1552
1553         rate = (int) (2*v);
1554         if (rate != 2*v)
1555                 errx(-1, "invalid %s rate (must be .5 Mb/s units)", tag);
1556         return rate;            /* NB: returns 2x the specified value */
1557 }
1558
1559 static
1560 DECL_CMD_FUNC(set80211roamrate, val, d)
1561 {
1562         int rate, flags;
1563
1564         rate = getrate(val, "roam");
1565         flags = getmodeflags(val);
1566         getroam(s);
1567         if (flags == 0) {               /* NB: no flags => current channel */
1568                 flags = getcurchan(s)->ic_flags;
1569                 _APPLY_RATE1(flags, roamparams, rate, rate);
1570         } else
1571                 _APPLY_RATE(flags, roamparams, rate, rate);
1572         callback_register(setroam_cb, &roamparams);
1573 }
1574
1575 static
1576 DECL_CMD_FUNC(set80211mcastrate, val, d)
1577 {
1578         int rate, flags;
1579
1580         rate = getrate(val, "mcast");
1581         flags = getmodeflags(val);
1582         gettxparams(s);
1583         if (flags == 0) {               /* NB: no flags => current channel */
1584                 flags = getcurchan(s)->ic_flags;
1585                 _APPLY_RATE1(flags, txparams, mcastrate, rate);
1586         } else
1587                 _APPLY_RATE(flags, txparams, mcastrate, rate);
1588         callback_register(settxparams_cb, &txparams);
1589 }
1590
1591 static
1592 DECL_CMD_FUNC(set80211mgtrate, val, d)
1593 {
1594         int rate, flags;
1595
1596         rate = getrate(val, "mgmt");
1597         flags = getmodeflags(val);
1598         gettxparams(s);
1599         if (flags == 0) {               /* NB: no flags => current channel */
1600                 flags = getcurchan(s)->ic_flags;
1601                 _APPLY_RATE1(flags, txparams, mgmtrate, rate);
1602         } else
1603                 _APPLY_RATE(flags, txparams, mgmtrate, rate);
1604         callback_register(settxparams_cb, &txparams);
1605 }
1606
1607 static
1608 DECL_CMD_FUNC(set80211ucastrate, val, d)
1609 {
1610         int flags;
1611
1612         gettxparams(s);
1613         flags = getmodeflags(val);
1614         if (isanyarg(val)) {
1615                 if (flags == 0) {       /* NB: no flags => current channel */
1616                         flags = getcurchan(s)->ic_flags;
1617                         _APPLY1(flags, txparams, ucastrate,
1618                             IEEE80211_FIXED_RATE_NONE);
1619                 } else
1620                         _APPLY(flags, txparams, ucastrate,
1621                             IEEE80211_FIXED_RATE_NONE);
1622         } else {
1623                 int rate = getrate(val, "ucast");
1624                 if (flags == 0) {       /* NB: no flags => current channel */
1625                         flags = getcurchan(s)->ic_flags;
1626                         _APPLY_RATE1(flags, txparams, ucastrate, rate);
1627                 } else
1628                         _APPLY_RATE(flags, txparams, ucastrate, rate);
1629         }
1630         callback_register(settxparams_cb, &txparams);
1631 }
1632
1633 static
1634 DECL_CMD_FUNC(set80211maxretry, val, d)
1635 {
1636         int v = atoi(val), flags;
1637
1638         flags = getmodeflags(val);
1639         gettxparams(s);
1640         if (flags == 0) {               /* NB: no flags => current channel */
1641                 flags = getcurchan(s)->ic_flags;
1642                 _APPLY1(flags, txparams, maxretry, v);
1643         } else
1644                 _APPLY(flags, txparams, maxretry, v);
1645         callback_register(settxparams_cb, &txparams);
1646 }
1647 #undef _APPLY_RATE
1648 #undef _APPLY
1649 #undef IEEE80211_CHAN_HTA
1650 #undef IEEE80211_CHAN_HTG
1651
1652 static
1653 DECL_CMD_FUNC(set80211fragthreshold, val, d)
1654 {
1655         set80211(s, IEEE80211_IOC_FRAGTHRESHOLD,
1656                 isundefarg(val) ? IEEE80211_FRAG_MAX : atoi(val), 0, NULL);
1657 }
1658
1659 static
1660 DECL_CMD_FUNC(set80211bmissthreshold, val, d)
1661 {
1662         set80211(s, IEEE80211_IOC_BMISSTHRESHOLD,
1663                 isundefarg(val) ? IEEE80211_HWBMISS_MAX : atoi(val), 0, NULL);
1664 }
1665
1666 static void
1667 set80211burst(const char *val, int d, int s, const struct afswtch *rafp)
1668 {
1669         set80211(s, IEEE80211_IOC_BURST, d, 0, NULL);
1670 }
1671
1672 static void
1673 set80211doth(const char *val, int d, int s, const struct afswtch *rafp)
1674 {
1675         set80211(s, IEEE80211_IOC_DOTH, d, 0, NULL);
1676 }
1677
1678 static void
1679 set80211dfs(const char *val, int d, int s, const struct afswtch *rafp)
1680 {
1681         set80211(s, IEEE80211_IOC_DFS, d, 0, NULL);
1682 }
1683
1684 static void
1685 set80211shortgi(const char *val, int d, int s, const struct afswtch *rafp)
1686 {
1687         set80211(s, IEEE80211_IOC_SHORTGI,
1688                 d ? (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) : 0,
1689                 0, NULL);
1690 }
1691
1692 static void
1693 set80211ampdu(const char *val, int d, int s, const struct afswtch *rafp)
1694 {
1695         int ampdu;
1696
1697         if (get80211val(s, IEEE80211_IOC_AMPDU, &ampdu) < 0)
1698                 errx(-1, "cannot get AMPDU setting");
1699         if (d < 0) {
1700                 d = -d;
1701                 ampdu &= ~d;
1702         } else
1703                 ampdu |= d;
1704         set80211(s, IEEE80211_IOC_AMPDU, ampdu, 0, NULL);
1705 }
1706
1707 static
1708 DECL_CMD_FUNC(set80211ampdulimit, val, d)
1709 {
1710         int v;
1711
1712         switch (atoi(val)) {
1713         case 8:
1714         case 8*1024:
1715                 v = IEEE80211_HTCAP_MAXRXAMPDU_8K;
1716                 break;
1717         case 16:
1718         case 16*1024:
1719                 v = IEEE80211_HTCAP_MAXRXAMPDU_16K;
1720                 break;
1721         case 32:
1722         case 32*1024:
1723                 v = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1724                 break;
1725         case 64:
1726         case 64*1024:
1727                 v = IEEE80211_HTCAP_MAXRXAMPDU_64K;
1728                 break;
1729         default:
1730                 errx(-1, "invalid A-MPDU limit %s", val);
1731         }
1732         set80211(s, IEEE80211_IOC_AMPDU_LIMIT, v, 0, NULL);
1733 }
1734
1735 static
1736 DECL_CMD_FUNC(set80211ampdudensity, val, d)
1737 {
1738         int v;
1739
1740         if (isanyarg(val) || strcasecmp(val, "na") == 0)
1741                 v = IEEE80211_HTCAP_MPDUDENSITY_NA;
1742         else switch ((int)(atof(val)*4)) {
1743         case 0:
1744                 v = IEEE80211_HTCAP_MPDUDENSITY_NA;
1745                 break;
1746         case 1:
1747                 v = IEEE80211_HTCAP_MPDUDENSITY_025;
1748                 break;
1749         case 2:
1750                 v = IEEE80211_HTCAP_MPDUDENSITY_05;
1751                 break;
1752         case 4:
1753                 v = IEEE80211_HTCAP_MPDUDENSITY_1;
1754                 break;
1755         case 8:
1756                 v = IEEE80211_HTCAP_MPDUDENSITY_2;
1757                 break;
1758         case 16:
1759                 v = IEEE80211_HTCAP_MPDUDENSITY_4;
1760                 break;
1761         case 32:
1762                 v = IEEE80211_HTCAP_MPDUDENSITY_8;
1763                 break;
1764         case 64:
1765                 v = IEEE80211_HTCAP_MPDUDENSITY_16;
1766                 break;
1767         default:
1768                 errx(-1, "invalid A-MPDU density %s", val);
1769         }
1770         set80211(s, IEEE80211_IOC_AMPDU_DENSITY, v, 0, NULL);
1771 }
1772
1773 static void
1774 set80211amsdu(const char *val, int d, int s, const struct afswtch *rafp)
1775 {
1776         int amsdu;
1777
1778         if (get80211val(s, IEEE80211_IOC_AMSDU, &amsdu) < 0)
1779                 err(-1, "cannot get AMSDU setting");
1780         if (d < 0) {
1781                 d = -d;
1782                 amsdu &= ~d;
1783         } else
1784                 amsdu |= d;
1785         set80211(s, IEEE80211_IOC_AMSDU, amsdu, 0, NULL);
1786 }
1787
1788 static
1789 DECL_CMD_FUNC(set80211amsdulimit, val, d)
1790 {
1791         set80211(s, IEEE80211_IOC_AMSDU_LIMIT, atoi(val), 0, NULL);
1792 }
1793
1794 static void
1795 set80211puren(const char *val, int d, int s, const struct afswtch *rafp)
1796 {
1797         set80211(s, IEEE80211_IOC_PUREN, d, 0, NULL);
1798 }
1799
1800 static void
1801 set80211htcompat(const char *val, int d, int s, const struct afswtch *rafp)
1802 {
1803         set80211(s, IEEE80211_IOC_HTCOMPAT, d, 0, NULL);
1804 }
1805
1806 static void
1807 set80211htconf(const char *val, int d, int s, const struct afswtch *rafp)
1808 {
1809         set80211(s, IEEE80211_IOC_HTCONF, d, 0, NULL);
1810         htconf = d;
1811 }
1812
1813 static void
1814 set80211dwds(const char *val, int d, int s, const struct afswtch *rafp)
1815 {
1816         set80211(s, IEEE80211_IOC_DWDS, d, 0, NULL);
1817 }
1818
1819 static void
1820 set80211inact(const char *val, int d, int s, const struct afswtch *rafp)
1821 {
1822         set80211(s, IEEE80211_IOC_INACTIVITY, d, 0, NULL);
1823 }
1824
1825 static void
1826 set80211tsn(const char *val, int d, int s, const struct afswtch *rafp)
1827 {
1828         set80211(s, IEEE80211_IOC_TSN, d, 0, NULL);
1829 }
1830
1831 static void
1832 set80211dotd(const char *val, int d, int s, const struct afswtch *rafp)
1833 {
1834         set80211(s, IEEE80211_IOC_DOTD, d, 0, NULL);
1835 }
1836
1837 static void
1838 set80211smps(const char *val, int d, int s, const struct afswtch *rafp)
1839 {
1840         set80211(s, IEEE80211_IOC_SMPS, d, 0, NULL);
1841 }
1842
1843 static void
1844 set80211rifs(const char *val, int d, int s, const struct afswtch *rafp)
1845 {
1846         set80211(s, IEEE80211_IOC_RIFS, d, 0, NULL);
1847 }
1848
1849 static
1850 DECL_CMD_FUNC(set80211tdmaslot, val, d)
1851 {
1852         set80211(s, IEEE80211_IOC_TDMA_SLOT, atoi(val), 0, NULL);
1853 }
1854
1855 static
1856 DECL_CMD_FUNC(set80211tdmaslotcnt, val, d)
1857 {
1858         set80211(s, IEEE80211_IOC_TDMA_SLOTCNT, atoi(val), 0, NULL);
1859 }
1860
1861 static
1862 DECL_CMD_FUNC(set80211tdmaslotlen, val, d)
1863 {
1864         set80211(s, IEEE80211_IOC_TDMA_SLOTLEN, atoi(val), 0, NULL);
1865 }
1866
1867 static
1868 DECL_CMD_FUNC(set80211tdmabintval, val, d)
1869 {
1870         set80211(s, IEEE80211_IOC_TDMA_BINTERVAL, atoi(val), 0, NULL);
1871 }
1872
1873 static
1874 DECL_CMD_FUNC(set80211meshttl, val, d)
1875 {
1876         set80211(s, IEEE80211_IOC_MESH_TTL, atoi(val), 0, NULL);
1877 }
1878
1879 static
1880 DECL_CMD_FUNC(set80211meshforward, val, d)
1881 {
1882         set80211(s, IEEE80211_IOC_MESH_FWRD, d, 0, NULL);
1883 }
1884
1885 static
1886 DECL_CMD_FUNC(set80211meshgate, val, d)
1887 {
1888         set80211(s, IEEE80211_IOC_MESH_GATE, d, 0, NULL);
1889 }
1890
1891 static
1892 DECL_CMD_FUNC(set80211meshpeering, val, d)
1893 {
1894         set80211(s, IEEE80211_IOC_MESH_AP, d, 0, NULL);
1895 }
1896
1897 static
1898 DECL_CMD_FUNC(set80211meshmetric, val, d)
1899 {
1900         char v[12];
1901
1902         memcpy(v, val, sizeof(v));
1903         set80211(s, IEEE80211_IOC_MESH_PR_METRIC, 0, 0, v);
1904 }
1905
1906 static
1907 DECL_CMD_FUNC(set80211meshpath, val, d)
1908 {
1909         char v[12];
1910
1911         memcpy(v, val, sizeof(v));
1912         set80211(s, IEEE80211_IOC_MESH_PR_PATH, 0, 0, v);
1913 }
1914
1915 static int
1916 regdomain_sort(const void *a, const void *b)
1917 {
1918 #define CHAN_ALL \
1919         (IEEE80211_CHAN_ALLTURBO|IEEE80211_CHAN_HALF|IEEE80211_CHAN_QUARTER)
1920         const struct ieee80211_channel *ca = a;
1921         const struct ieee80211_channel *cb = b;
1922
1923         return ca->ic_freq == cb->ic_freq ?
1924             (ca->ic_flags & CHAN_ALL) - (cb->ic_flags & CHAN_ALL) :
1925             ca->ic_freq - cb->ic_freq;
1926 #undef CHAN_ALL
1927 }
1928
1929 static const struct ieee80211_channel *
1930 chanlookup(const struct ieee80211_channel chans[], int nchans,
1931         int freq, int flags)
1932 {
1933         int i;
1934
1935         flags &= IEEE80211_CHAN_ALLTURBO;
1936         for (i = 0; i < nchans; i++) {
1937                 const struct ieee80211_channel *c = &chans[i];
1938                 if (c->ic_freq == freq &&
1939                     (c->ic_flags & IEEE80211_CHAN_ALLTURBO) == flags)
1940                         return c;
1941         }
1942         return NULL;
1943 }
1944
1945 static int
1946 chanfind(const struct ieee80211_channel chans[], int nchans, int flags)
1947 {
1948         int i;
1949
1950         for (i = 0; i < nchans; i++) {
1951                 const struct ieee80211_channel *c = &chans[i];
1952                 if ((c->ic_flags & flags) == flags)
1953                         return 1;
1954         }
1955         return 0;
1956 }
1957
1958 /*
1959  * Check channel compatibility.
1960  */
1961 static int
1962 checkchan(const struct ieee80211req_chaninfo *avail, int freq, int flags)
1963 {
1964         flags &= ~REQ_FLAGS;
1965         /*
1966          * Check if exact channel is in the calibration table;
1967          * everything below is to deal with channels that we
1968          * want to include but that are not explicitly listed.
1969          */
1970         if (flags & IEEE80211_CHAN_HT40) {
1971                 /* NB: we use an HT40 channel center that matches HT20 */
1972                 flags = (flags &~ IEEE80211_CHAN_HT40) | IEEE80211_CHAN_HT20;
1973         }
1974         if (chanlookup(avail->ic_chans, avail->ic_nchans, freq, flags) != NULL)
1975                 return 1;
1976         if (flags & IEEE80211_CHAN_GSM) {
1977                 /*
1978                  * XXX GSM frequency mapping is handled in the kernel
1979                  * so we cannot find them in the calibration table;
1980                  * just accept the channel and the kernel will reject
1981                  * the channel list if it's wrong.
1982                  */
1983                 return 1;
1984         }
1985         /*
1986          * If this is a 1/2 or 1/4 width channel allow it if a full
1987          * width channel is present for this frequency, and the device
1988          * supports fractional channels on this band.  This is a hack
1989          * that avoids bloating the calibration table; it may be better
1990          * by per-band attributes though (we are effectively calculating
1991          * this attribute by scanning the channel list ourself).
1992          */
1993         if ((flags & (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER)) == 0)
1994                 return 0;
1995         if (chanlookup(avail->ic_chans, avail->ic_nchans, freq,
1996             flags &~ (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER)) == NULL)
1997                 return 0;
1998         if (flags & IEEE80211_CHAN_HALF) {
1999                 return chanfind(avail->ic_chans, avail->ic_nchans,
2000                     IEEE80211_CHAN_HALF |
2001                        (flags & (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ)));
2002         } else {
2003                 return chanfind(avail->ic_chans, avail->ic_nchans,
2004                     IEEE80211_CHAN_QUARTER |
2005                         (flags & (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ)));
2006         }
2007 }
2008
2009 static void
2010 regdomain_addchans(struct ieee80211req_chaninfo *ci,
2011         const netband_head *bands,
2012         const struct ieee80211_regdomain *reg,
2013         uint32_t chanFlags,
2014         const struct ieee80211req_chaninfo *avail)
2015 {
2016         const struct netband *nb;
2017         const struct freqband *b;
2018         struct ieee80211_channel *c, *prev;
2019         int freq, hi_adj, lo_adj, channelSep;
2020         uint32_t flags;
2021
2022         hi_adj = (chanFlags & IEEE80211_CHAN_HT40U) ? -20 : 0;
2023         lo_adj = (chanFlags & IEEE80211_CHAN_HT40D) ? 20 : 0;
2024         channelSep = (chanFlags & IEEE80211_CHAN_2GHZ) ? 0 : 40;
2025         LIST_FOREACH(nb, bands, next) {
2026                 b = nb->band;
2027                 if (verbose) {
2028                         printf("%s:", __func__);
2029                         printb(" chanFlags", chanFlags, IEEE80211_CHAN_BITS);
2030                         printb(" bandFlags", nb->flags | b->flags,
2031                             IEEE80211_CHAN_BITS);
2032                         putchar('\n');
2033                 }
2034                 prev = NULL;
2035                 for (freq = b->freqStart + lo_adj;
2036                      freq <= b->freqEnd + hi_adj; freq += b->chanSep) {
2037                         /*
2038                          * Construct flags for the new channel.  We take
2039                          * the attributes from the band descriptions except
2040                          * for HT40 which is enabled generically (i.e. +/-
2041                          * extension channel) in the band description and
2042                          * then constrained according by channel separation.
2043                          */
2044                         flags = nb->flags | b->flags;
2045                         if (flags & IEEE80211_CHAN_HT) {
2046                                 /*
2047                                  * HT channels are generated specially; we're
2048                                  * called to add HT20, HT40+, and HT40- chan's
2049                                  * so we need to expand only band specs for
2050                                  * the HT channel type being added.
2051                                  */
2052                                 if ((chanFlags & IEEE80211_CHAN_HT20) &&
2053                                     (flags & IEEE80211_CHAN_HT20) == 0) {
2054                                         if (verbose)
2055                                                 printf("%u: skip, not an "
2056                                                     "HT20 channel\n", freq);
2057                                         continue;
2058                                 }
2059                                 if ((chanFlags & IEEE80211_CHAN_HT40) &&
2060                                     (flags & IEEE80211_CHAN_HT40) == 0) {
2061                                         if (verbose)
2062                                                 printf("%u: skip, not an "
2063                                                     "HT40 channel\n", freq);
2064                                         continue;
2065                                 }
2066                                 /* NB: HT attribute comes from caller */
2067                                 flags &= ~IEEE80211_CHAN_HT;
2068                                 flags |= chanFlags & IEEE80211_CHAN_HT;
2069                         }
2070                         /*
2071                          * Check if device can operate on this frequency.
2072                          */
2073                         if (!checkchan(avail, freq, flags)) {
2074                                 if (verbose) {
2075                                         printf("%u: skip, ", freq);
2076                                         printb("flags", flags,
2077                                             IEEE80211_CHAN_BITS);
2078                                         printf(" not available\n");
2079                                 }
2080                                 continue;
2081                         }
2082                         if ((flags & REQ_ECM) && !reg->ecm) {
2083                                 if (verbose)
2084                                         printf("%u: skip, ECM channel\n", freq);
2085                                 continue;
2086                         }
2087                         if ((flags & REQ_INDOOR) && reg->location == 'O') {
2088                                 if (verbose)
2089                                         printf("%u: skip, indoor channel\n",
2090                                             freq);
2091                                 continue;
2092                         }
2093                         if ((flags & REQ_OUTDOOR) && reg->location == 'I') {
2094                                 if (verbose)
2095                                         printf("%u: skip, outdoor channel\n",
2096                                             freq);
2097                                 continue;
2098                         }
2099                         if ((flags & IEEE80211_CHAN_HT40) &&
2100                             prev != NULL && (freq - prev->ic_freq) < channelSep) {
2101                                 if (verbose)
2102                                         printf("%u: skip, only %u channel "
2103                                             "separation, need %d\n", freq,
2104                                             freq - prev->ic_freq, channelSep);
2105                                 continue;
2106                         }
2107                         if (ci->ic_nchans == IEEE80211_CHAN_MAX) {
2108                                 if (verbose)
2109                                         printf("%u: skip, channel table full\n",
2110                                             freq);
2111                                 break;
2112                         }
2113                         c = &ci->ic_chans[ci->ic_nchans++];
2114                         memset(c, 0, sizeof(*c));
2115                         c->ic_freq = freq;
2116                         c->ic_flags = flags;
2117                         if (c->ic_flags & IEEE80211_CHAN_DFS)
2118                                 c->ic_maxregpower = nb->maxPowerDFS;
2119                         else
2120                                 c->ic_maxregpower = nb->maxPower;
2121                         if (verbose) {
2122                                 printf("[%3d] add freq %u ",
2123                                     ci->ic_nchans-1, c->ic_freq);
2124                                 printb("flags", c->ic_flags, IEEE80211_CHAN_BITS);
2125                                 printf(" power %u\n", c->ic_maxregpower);
2126                         }
2127                         /* NB: kernel fills in other fields */
2128                         prev = c;
2129                 }
2130         }
2131 }
2132
2133 static void
2134 regdomain_makechannels(
2135         struct ieee80211_regdomain_req *req,
2136         const struct ieee80211_devcaps_req *dc)
2137 {
2138         struct regdata *rdp = getregdata();
2139         const struct country *cc;
2140         const struct ieee80211_regdomain *reg = &req->rd;
2141         struct ieee80211req_chaninfo *ci = &req->chaninfo;
2142         const struct regdomain *rd;
2143
2144         /*
2145          * Locate construction table for new channel list.  We treat
2146          * the regdomain/SKU as definitive so a country can be in
2147          * multiple with different properties (e.g. US in FCC+FCC3).
2148          * If no regdomain is specified then we fallback on the country
2149          * code to find the associated regdomain since countries always
2150          * belong to at least one regdomain.
2151          */
2152         if (reg->regdomain == 0) {
2153                 cc = lib80211_country_findbycc(rdp, reg->country);
2154                 if (cc == NULL)
2155                         errx(1, "internal error, country %d not found",
2156                             reg->country);
2157                 rd = cc->rd;
2158         } else
2159                 rd = lib80211_regdomain_findbysku(rdp, reg->regdomain);
2160         if (rd == NULL)
2161                 errx(1, "internal error, regdomain %d not found",
2162                             reg->regdomain);
2163         if (rd->sku != SKU_DEBUG) {
2164                 /*
2165                  * regdomain_addchans incrememnts the channel count for
2166                  * each channel it adds so initialize ic_nchans to zero.
2167                  * Note that we know we have enough space to hold all possible
2168                  * channels because the devcaps list size was used to
2169                  * allocate our request.
2170                  */
2171                 ci->ic_nchans = 0;
2172                 if (!LIST_EMPTY(&rd->bands_11b))
2173                         regdomain_addchans(ci, &rd->bands_11b, reg,
2174                             IEEE80211_CHAN_B, &dc->dc_chaninfo);
2175                 if (!LIST_EMPTY(&rd->bands_11g))
2176                         regdomain_addchans(ci, &rd->bands_11g, reg,
2177                             IEEE80211_CHAN_G, &dc->dc_chaninfo);
2178                 if (!LIST_EMPTY(&rd->bands_11a))
2179                         regdomain_addchans(ci, &rd->bands_11a, reg,
2180                             IEEE80211_CHAN_A, &dc->dc_chaninfo);
2181                 if (!LIST_EMPTY(&rd->bands_11na) && dc->dc_htcaps != 0) {
2182                         regdomain_addchans(ci, &rd->bands_11na, reg,
2183                             IEEE80211_CHAN_A | IEEE80211_CHAN_HT20,
2184                             &dc->dc_chaninfo);
2185                         if (dc->dc_htcaps & IEEE80211_HTCAP_CHWIDTH40) {
2186                                 regdomain_addchans(ci, &rd->bands_11na, reg,
2187                                     IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U,
2188                                     &dc->dc_chaninfo);
2189                                 regdomain_addchans(ci, &rd->bands_11na, reg,
2190                                     IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D,
2191                                     &dc->dc_chaninfo);
2192                         }
2193                 }
2194                 if (!LIST_EMPTY(&rd->bands_11ng) && dc->dc_htcaps != 0) {
2195                         regdomain_addchans(ci, &rd->bands_11ng, reg,
2196                             IEEE80211_CHAN_G | IEEE80211_CHAN_HT20,
2197                             &dc->dc_chaninfo);
2198                         if (dc->dc_htcaps & IEEE80211_HTCAP_CHWIDTH40) {
2199                                 regdomain_addchans(ci, &rd->bands_11ng, reg,
2200                                     IEEE80211_CHAN_G | IEEE80211_CHAN_HT40U,
2201                                     &dc->dc_chaninfo);
2202                                 regdomain_addchans(ci, &rd->bands_11ng, reg,
2203                                     IEEE80211_CHAN_G | IEEE80211_CHAN_HT40D,
2204                                     &dc->dc_chaninfo);
2205                         }
2206                 }
2207                 qsort(ci->ic_chans, ci->ic_nchans, sizeof(ci->ic_chans[0]),
2208                     regdomain_sort);
2209         } else
2210                 memcpy(ci, &dc->dc_chaninfo,
2211                     IEEE80211_CHANINFO_SPACE(&dc->dc_chaninfo));
2212 }
2213
2214 static void
2215 list_countries(void)
2216 {
2217         struct regdata *rdp = getregdata();
2218         const struct country *cp;
2219         const struct regdomain *dp;
2220         int i;
2221
2222         i = 0;
2223         printf("\nCountry codes:\n");
2224         LIST_FOREACH(cp, &rdp->countries, next) {
2225                 printf("%2s %-15.15s%s", cp->isoname,
2226                     cp->name, ((i+1)%4) == 0 ? "\n" : " ");
2227                 i++;
2228         }
2229         i = 0;
2230         printf("\nRegulatory domains:\n");
2231         LIST_FOREACH(dp, &rdp->domains, next) {
2232                 printf("%-15.15s%s", dp->name, ((i+1)%4) == 0 ? "\n" : " ");
2233                 i++;
2234         }
2235         printf("\n");
2236 }
2237
2238 static void
2239 defaultcountry(const struct regdomain *rd)
2240 {
2241         struct regdata *rdp = getregdata();
2242         const struct country *cc;
2243
2244         cc = lib80211_country_findbycc(rdp, rd->cc->code);
2245         if (cc == NULL)
2246                 errx(1, "internal error, ISO country code %d not "
2247                     "defined for regdomain %s", rd->cc->code, rd->name);
2248         regdomain.country = cc->code;
2249         regdomain.isocc[0] = cc->isoname[0];
2250         regdomain.isocc[1] = cc->isoname[1];
2251 }
2252
2253 static
2254 DECL_CMD_FUNC(set80211regdomain, val, d)
2255 {
2256         struct regdata *rdp = getregdata();
2257         const struct regdomain *rd;
2258
2259         rd = lib80211_regdomain_findbyname(rdp, val);
2260         if (rd == NULL) {
2261                 char *eptr;
2262                 long sku = strtol(val, &eptr, 0);
2263
2264                 if (eptr != val)
2265                         rd = lib80211_regdomain_findbysku(rdp, sku);
2266                 if (eptr == val || rd == NULL)
2267                         errx(1, "unknown regdomain %s", val);
2268         }
2269         getregdomain(s);
2270         regdomain.regdomain = rd->sku;
2271         if (regdomain.country == 0 && rd->cc != NULL) {
2272                 /*
2273                  * No country code setup and there's a default
2274                  * one for this regdomain fill it in.
2275                  */
2276                 defaultcountry(rd);
2277         }
2278         callback_register(setregdomain_cb, &regdomain);
2279 }
2280
2281 static
2282 DECL_CMD_FUNC(set80211country, val, d)
2283 {
2284         struct regdata *rdp = getregdata();
2285         const struct country *cc;
2286
2287         cc = lib80211_country_findbyname(rdp, val);
2288         if (cc == NULL) {
2289                 char *eptr;
2290                 long code = strtol(val, &eptr, 0);
2291
2292                 if (eptr != val)
2293                         cc = lib80211_country_findbycc(rdp, code);
2294                 if (eptr == val || cc == NULL)
2295                         errx(1, "unknown ISO country code %s", val);
2296         }
2297         getregdomain(s);
2298         regdomain.regdomain = cc->rd->sku;
2299         regdomain.country = cc->code;
2300         regdomain.isocc[0] = cc->isoname[0];
2301         regdomain.isocc[1] = cc->isoname[1];
2302         callback_register(setregdomain_cb, &regdomain);
2303 }
2304
2305 static void
2306 set80211location(const char *val, int d, int s, const struct afswtch *rafp)
2307 {
2308         getregdomain(s);
2309         regdomain.location = d;
2310         callback_register(setregdomain_cb, &regdomain);
2311 }
2312
2313 static void
2314 set80211ecm(const char *val, int d, int s, const struct afswtch *rafp)
2315 {
2316         getregdomain(s);
2317         regdomain.ecm = d;
2318         callback_register(setregdomain_cb, &regdomain);
2319 }
2320
2321 static void
2322 LINE_INIT(char c)
2323 {
2324         spacer = c;
2325         if (c == '\t')
2326                 col = 8;
2327         else
2328                 col = 1;
2329 }
2330
2331 static void
2332 LINE_BREAK(void)
2333 {
2334         if (spacer != '\t') {
2335                 printf("\n");
2336                 spacer = '\t';
2337         }
2338         col = 8;                /* 8-col tab */
2339 }
2340
2341 static void
2342 LINE_CHECK(const char *fmt, ...)
2343 {
2344         char buf[80];
2345         va_list ap;
2346         int n;
2347
2348         va_start(ap, fmt);
2349         n = vsnprintf(buf+1, sizeof(buf)-1, fmt, ap);
2350         va_end(ap);
2351         col += 1+n;
2352         if (col > MAXCOL) {
2353                 LINE_BREAK();
2354                 col += n;
2355         }
2356         buf[0] = spacer;
2357         printf("%s", buf);
2358         spacer = ' ';
2359 }
2360
2361 static int
2362 getmaxrate(const uint8_t rates[15], uint8_t nrates)
2363 {
2364         int i, maxrate = -1;
2365
2366         for (i = 0; i < nrates; i++) {
2367                 int rate = rates[i] & IEEE80211_RATE_VAL;
2368                 if (rate > maxrate)
2369                         maxrate = rate;
2370         }
2371         return maxrate / 2;
2372 }
2373
2374 static const char *
2375 getcaps(int capinfo)
2376 {
2377         static char capstring[32];
2378         char *cp = capstring;
2379
2380         if (capinfo & IEEE80211_CAPINFO_ESS)
2381                 *cp++ = 'E';
2382         if (capinfo & IEEE80211_CAPINFO_IBSS)
2383                 *cp++ = 'I';
2384         if (capinfo & IEEE80211_CAPINFO_CF_POLLABLE)
2385                 *cp++ = 'c';
2386         if (capinfo & IEEE80211_CAPINFO_CF_POLLREQ)
2387                 *cp++ = 'C';
2388         if (capinfo & IEEE80211_CAPINFO_PRIVACY)
2389                 *cp++ = 'P';
2390         if (capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE)
2391                 *cp++ = 'S';
2392         if (capinfo & IEEE80211_CAPINFO_PBCC)
2393                 *cp++ = 'B';
2394         if (capinfo & IEEE80211_CAPINFO_CHNL_AGILITY)
2395                 *cp++ = 'A';
2396         if (capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME)
2397                 *cp++ = 's';
2398         if (capinfo & IEEE80211_CAPINFO_RSN)
2399                 *cp++ = 'R';
2400         if (capinfo & IEEE80211_CAPINFO_DSSSOFDM)
2401                 *cp++ = 'D';
2402         *cp = '\0';
2403         return capstring;
2404 }
2405
2406 static const char *
2407 getflags(int flags)
2408 {
2409         static char flagstring[32];
2410         char *cp = flagstring;
2411
2412         if (flags & IEEE80211_NODE_AUTH)
2413                 *cp++ = 'A';
2414         if (flags & IEEE80211_NODE_QOS)
2415                 *cp++ = 'Q';
2416         if (flags & IEEE80211_NODE_ERP)
2417                 *cp++ = 'E';
2418         if (flags & IEEE80211_NODE_PWR_MGT)
2419                 *cp++ = 'P';
2420         if (flags & IEEE80211_NODE_HT) {
2421                 *cp++ = 'H';
2422                 if (flags & IEEE80211_NODE_HTCOMPAT)
2423                         *cp++ = '+';
2424         }
2425         if (flags & IEEE80211_NODE_WPS)
2426                 *cp++ = 'W';
2427         if (flags & IEEE80211_NODE_TSN)
2428                 *cp++ = 'N';
2429         if (flags & IEEE80211_NODE_AMPDU_TX)
2430                 *cp++ = 'T';
2431         if (flags & IEEE80211_NODE_AMPDU_RX)
2432                 *cp++ = 'R';
2433         if (flags & IEEE80211_NODE_MIMO_PS) {
2434                 *cp++ = 'M';
2435                 if (flags & IEEE80211_NODE_MIMO_RTS)
2436                         *cp++ = '+';
2437         }
2438         if (flags & IEEE80211_NODE_RIFS)
2439                 *cp++ = 'I';
2440         if (flags & IEEE80211_NODE_SGI40) {
2441                 *cp++ = 'S';
2442                 if (flags & IEEE80211_NODE_SGI20)
2443                         *cp++ = '+';
2444         } else if (flags & IEEE80211_NODE_SGI20)
2445                 *cp++ = 's';
2446         if (flags & IEEE80211_NODE_AMSDU_TX)
2447                 *cp++ = 't';
2448         if (flags & IEEE80211_NODE_AMSDU_RX)
2449                 *cp++ = 'r';
2450         *cp = '\0';
2451         return flagstring;
2452 }
2453
2454 static void
2455 printie(const char* tag, const uint8_t *ie, size_t ielen, int maxlen)
2456 {
2457         printf("%s", tag);
2458         if (verbose) {
2459                 maxlen -= strlen(tag)+2;
2460                 if (2*ielen > maxlen)
2461                         maxlen--;
2462                 printf("<");
2463                 for (; ielen > 0; ie++, ielen--) {
2464                         if (maxlen-- <= 0)
2465                                 break;
2466                         printf("%02x", *ie);
2467                 }
2468                 if (ielen != 0)
2469                         printf("-");
2470                 printf(">");
2471         }
2472 }
2473
2474 #define LE_READ_2(p)                                    \
2475         ((u_int16_t)                                    \
2476          ((((const u_int8_t *)(p))[0]      ) |          \
2477           (((const u_int8_t *)(p))[1] <<  8)))
2478 #define LE_READ_4(p)                                    \
2479         ((u_int32_t)                                    \
2480          ((((const u_int8_t *)(p))[0]      ) |          \
2481           (((const u_int8_t *)(p))[1] <<  8) |          \
2482           (((const u_int8_t *)(p))[2] << 16) |          \
2483           (((const u_int8_t *)(p))[3] << 24)))
2484
2485 /*
2486  * NB: The decoding routines assume a properly formatted ie
2487  *     which should be safe as the kernel only retains them
2488  *     if they parse ok.
2489  */
2490
2491 static void
2492 printwmeparam(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2493 {
2494 #define MS(_v, _f)      (((_v) & _f) >> _f##_S)
2495         static const char *acnames[] = { "BE", "BK", "VO", "VI" };
2496         const struct ieee80211_wme_param *wme =
2497             (const struct ieee80211_wme_param *) ie;
2498         int i;
2499
2500         printf("%s", tag);
2501         if (!verbose)
2502                 return;
2503         printf("<qosinfo 0x%x", wme->param_qosInfo);
2504         ie += offsetof(struct ieee80211_wme_param, params_acParams);
2505         for (i = 0; i < WME_NUM_AC; i++) {
2506                 const struct ieee80211_wme_acparams *ac =
2507                     &wme->params_acParams[i];
2508
2509                 printf(" %s[%saifsn %u cwmin %u cwmax %u txop %u]"
2510                         , acnames[i]
2511                         , MS(ac->acp_aci_aifsn, WME_PARAM_ACM) ? "acm " : ""
2512                         , MS(ac->acp_aci_aifsn, WME_PARAM_AIFSN)
2513                         , MS(ac->acp_logcwminmax, WME_PARAM_LOGCWMIN)
2514                         , MS(ac->acp_logcwminmax, WME_PARAM_LOGCWMAX)
2515                         , LE_READ_2(&ac->acp_txop)
2516                 );
2517         }
2518         printf(">");
2519 #undef MS
2520 }
2521
2522 static void
2523 printwmeinfo(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2524 {
2525         printf("%s", tag);
2526         if (verbose) {
2527                 const struct ieee80211_wme_info *wme =
2528                     (const struct ieee80211_wme_info *) ie;
2529                 printf("<version 0x%x info 0x%x>",
2530                     wme->wme_version, wme->wme_info);
2531         }
2532 }
2533
2534 static void
2535 printhtcap(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2536 {
2537         printf("%s", tag);
2538         if (verbose) {
2539                 const struct ieee80211_ie_htcap *htcap =
2540                     (const struct ieee80211_ie_htcap *) ie;
2541                 const char *sep;
2542                 int i, j;
2543
2544                 printf("<cap 0x%x param 0x%x",
2545                     LE_READ_2(&htcap->hc_cap), htcap->hc_param);
2546                 printf(" mcsset[");
2547                 sep = "";
2548                 for (i = 0; i < IEEE80211_HTRATE_MAXSIZE; i++)
2549                         if (isset(htcap->hc_mcsset, i)) {
2550                                 for (j = i+1; j < IEEE80211_HTRATE_MAXSIZE; j++)
2551                                         if (isclr(htcap->hc_mcsset, j))
2552                                                 break;
2553                                 j--;
2554                                 if (i == j)
2555                                         printf("%s%u", sep, i);
2556                                 else
2557                                         printf("%s%u-%u", sep, i, j);
2558                                 i += j-i;
2559                                 sep = ",";
2560                         }
2561                 printf("] extcap 0x%x txbf 0x%x antenna 0x%x>",
2562                     LE_READ_2(&htcap->hc_extcap),
2563                     LE_READ_4(&htcap->hc_txbf),
2564                     htcap->hc_antenna);
2565         }
2566 }
2567
2568 static void
2569 printhtinfo(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2570 {
2571         printf("%s", tag);
2572         if (verbose) {
2573                 const struct ieee80211_ie_htinfo *htinfo =
2574                     (const struct ieee80211_ie_htinfo *) ie;
2575                 const char *sep;
2576                 int i, j;
2577
2578                 printf("<ctl %u, %x,%x,%x,%x", htinfo->hi_ctrlchannel,
2579                     htinfo->hi_byte1, htinfo->hi_byte2, htinfo->hi_byte3,
2580                     LE_READ_2(&htinfo->hi_byte45));
2581                 printf(" basicmcs[");
2582                 sep = "";
2583                 for (i = 0; i < IEEE80211_HTRATE_MAXSIZE; i++)
2584                         if (isset(htinfo->hi_basicmcsset, i)) {
2585                                 for (j = i+1; j < IEEE80211_HTRATE_MAXSIZE; j++)
2586                                         if (isclr(htinfo->hi_basicmcsset, j))
2587                                                 break;
2588                                 j--;
2589                                 if (i == j)
2590                                         printf("%s%u", sep, i);
2591                                 else
2592                                         printf("%s%u-%u", sep, i, j);
2593                                 i += j-i;
2594                                 sep = ",";
2595                         }
2596                 printf("]>");
2597         }
2598 }
2599
2600 static void
2601 printathie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2602 {
2603
2604         printf("%s", tag);
2605         if (verbose) {
2606                 const struct ieee80211_ath_ie *ath =
2607                         (const struct ieee80211_ath_ie *)ie;
2608
2609                 printf("<");
2610                 if (ath->ath_capability & ATHEROS_CAP_TURBO_PRIME)
2611                         printf("DTURBO,");
2612                 if (ath->ath_capability & ATHEROS_CAP_COMPRESSION)
2613                         printf("COMP,");
2614                 if (ath->ath_capability & ATHEROS_CAP_FAST_FRAME)
2615                         printf("FF,");
2616                 if (ath->ath_capability & ATHEROS_CAP_XR)
2617                         printf("XR,");
2618                 if (ath->ath_capability & ATHEROS_CAP_AR)
2619                         printf("AR,");
2620                 if (ath->ath_capability & ATHEROS_CAP_BURST)
2621                         printf("BURST,");
2622                 if (ath->ath_capability & ATHEROS_CAP_WME)
2623                         printf("WME,");
2624                 if (ath->ath_capability & ATHEROS_CAP_BOOST)
2625                         printf("BOOST,");
2626                 printf("0x%x>", LE_READ_2(ath->ath_defkeyix));
2627         }
2628 }
2629
2630
2631 static void
2632 printmeshconf(const char *tag, const uint8_t *ie, size_t ielen, int maxlen)
2633 {
2634 #define MATCHOUI(field, oui, string)                                    \
2635 do {                                                                    \
2636         if (memcmp(field, oui, 4) == 0)                                 \
2637                 printf("%s", string);                                   \
2638 } while (0)
2639
2640         printf("%s", tag);
2641         if (verbose) {
2642                 const struct ieee80211_meshconf_ie *mconf =
2643                         (const struct ieee80211_meshconf_ie *)ie;
2644                 printf("<PATH:");
2645                 if (mconf->conf_pselid == IEEE80211_MESHCONF_PATH_HWMP)
2646                         printf("HWMP");
2647                 else
2648                         printf("UNKNOWN");
2649                 printf(" LINK:");
2650                 if (mconf->conf_pmetid == IEEE80211_MESHCONF_METRIC_AIRTIME)
2651                         printf("AIRTIME");
2652                 else
2653                         printf("UNKNOWN");
2654                 printf(" CONGESTION:");
2655                 if (mconf->conf_ccid == IEEE80211_MESHCONF_CC_DISABLED)
2656                         printf("DISABLED");
2657                 else
2658                         printf("UNKNOWN");
2659                 printf(" SYNC:");
2660                 if (mconf->conf_syncid == IEEE80211_MESHCONF_SYNC_NEIGHOFF)
2661                         printf("NEIGHOFF");
2662                 else
2663                         printf("UNKNOWN");
2664                 printf(" AUTH:");
2665                 if (mconf->conf_authid == IEEE80211_MESHCONF_AUTH_DISABLED)
2666                         printf("DISABLED");
2667                 else
2668                         printf("UNKNOWN");
2669                 printf(" FORM:0x%x CAPS:0x%x>", mconf->conf_form,
2670                     mconf->conf_cap);
2671         }
2672 #undef MATCHOUI
2673 }
2674
2675 static const char *
2676 wpa_cipher(const u_int8_t *sel)
2677 {
2678 #define WPA_SEL(x)      (((x)<<24)|WPA_OUI)
2679         u_int32_t w = LE_READ_4(sel);
2680
2681         switch (w) {
2682         case WPA_SEL(WPA_CSE_NULL):
2683                 return "NONE";
2684         case WPA_SEL(WPA_CSE_WEP40):
2685                 return "WEP40";
2686         case WPA_SEL(WPA_CSE_WEP104):
2687                 return "WEP104";
2688         case WPA_SEL(WPA_CSE_TKIP):
2689                 return "TKIP";
2690         case WPA_SEL(WPA_CSE_CCMP):
2691                 return "AES-CCMP";
2692         }
2693         return "?";             /* NB: so 1<< is discarded */
2694 #undef WPA_SEL
2695 }
2696
2697 static const char *
2698 wpa_keymgmt(const u_int8_t *sel)
2699 {
2700 #define WPA_SEL(x)      (((x)<<24)|WPA_OUI)
2701         u_int32_t w = LE_READ_4(sel);
2702
2703         switch (w) {
2704         case WPA_SEL(WPA_ASE_8021X_UNSPEC):
2705                 return "8021X-UNSPEC";
2706         case WPA_SEL(WPA_ASE_8021X_PSK):
2707                 return "8021X-PSK";
2708         case WPA_SEL(WPA_ASE_NONE):
2709                 return "NONE";
2710         }
2711         return "?";
2712 #undef WPA_SEL
2713 }
2714
2715 static void
2716 printwpaie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2717 {
2718         u_int8_t len = ie[1];
2719
2720         printf("%s", tag);
2721         if (verbose) {
2722                 const char *sep;
2723                 int n;
2724
2725                 ie += 6, len -= 4;              /* NB: len is payload only */
2726
2727                 printf("<v%u", LE_READ_2(ie));
2728                 ie += 2, len -= 2;
2729
2730                 printf(" mc:%s", wpa_cipher(ie));
2731                 ie += 4, len -= 4;
2732
2733                 /* unicast ciphers */
2734                 n = LE_READ_2(ie);
2735                 ie += 2, len -= 2;
2736                 sep = " uc:";
2737                 for (; n > 0; n--) {
2738                         printf("%s%s", sep, wpa_cipher(ie));
2739                         ie += 4, len -= 4;
2740                         sep = "+";
2741                 }
2742
2743                 /* key management algorithms */
2744                 n = LE_READ_2(ie);
2745                 ie += 2, len -= 2;
2746                 sep = " km:";
2747                 for (; n > 0; n--) {
2748                         printf("%s%s", sep, wpa_keymgmt(ie));
2749                         ie += 4, len -= 4;
2750                         sep = "+";
2751                 }
2752
2753                 if (len > 2)            /* optional capabilities */
2754                         printf(", caps 0x%x", LE_READ_2(ie));
2755                 printf(">");
2756         }
2757 }
2758
2759 static const char *
2760 rsn_cipher(const u_int8_t *sel)
2761 {
2762 #define RSN_SEL(x)      (((x)<<24)|RSN_OUI)
2763         u_int32_t w = LE_READ_4(sel);
2764
2765         switch (w) {
2766         case RSN_SEL(RSN_CSE_NULL):
2767                 return "NONE";
2768         case RSN_SEL(RSN_CSE_WEP40):
2769                 return "WEP40";
2770         case RSN_SEL(RSN_CSE_WEP104):
2771                 return "WEP104";
2772         case RSN_SEL(RSN_CSE_TKIP):
2773                 return "TKIP";
2774         case RSN_SEL(RSN_CSE_CCMP):
2775                 return "AES-CCMP";
2776         case RSN_SEL(RSN_CSE_WRAP):
2777                 return "AES-OCB";
2778         }
2779         return "?";
2780 #undef WPA_SEL
2781 }
2782
2783 static const char *
2784 rsn_keymgmt(const u_int8_t *sel)
2785 {
2786 #define RSN_SEL(x)      (((x)<<24)|RSN_OUI)
2787         u_int32_t w = LE_READ_4(sel);
2788
2789         switch (w) {
2790         case RSN_SEL(RSN_ASE_8021X_UNSPEC):
2791                 return "8021X-UNSPEC";
2792         case RSN_SEL(RSN_ASE_8021X_PSK):
2793                 return "8021X-PSK";
2794         case RSN_SEL(RSN_ASE_NONE):
2795                 return "NONE";
2796         }
2797         return "?";
2798 #undef RSN_SEL
2799 }
2800
2801 static void
2802 printrsnie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2803 {
2804         printf("%s", tag);
2805         if (verbose) {
2806                 const char *sep;
2807                 int n;
2808
2809                 ie += 2, ielen -= 2;
2810
2811                 printf("<v%u", LE_READ_2(ie));
2812                 ie += 2, ielen -= 2;
2813
2814                 printf(" mc:%s", rsn_cipher(ie));
2815                 ie += 4, ielen -= 4;
2816
2817                 /* unicast ciphers */
2818                 n = LE_READ_2(ie);
2819                 ie += 2, ielen -= 2;
2820                 sep = " uc:";
2821                 for (; n > 0; n--) {
2822                         printf("%s%s", sep, rsn_cipher(ie));
2823                         ie += 4, ielen -= 4;
2824                         sep = "+";
2825                 }
2826
2827                 /* key management algorithms */
2828                 n = LE_READ_2(ie);
2829                 ie += 2, ielen -= 2;
2830                 sep = " km:";
2831                 for (; n > 0; n--) {
2832                         printf("%s%s", sep, rsn_keymgmt(ie));
2833                         ie += 4, ielen -= 4;
2834                         sep = "+";
2835                 }
2836
2837                 if (ielen > 2)          /* optional capabilities */
2838                         printf(", caps 0x%x", LE_READ_2(ie));
2839                 /* XXXPMKID */
2840                 printf(">");
2841         }
2842 }
2843
2844 /* XXX move to a public include file */
2845 #define IEEE80211_WPS_DEV_PASS_ID       0x1012
2846 #define IEEE80211_WPS_SELECTED_REG      0x1041
2847 #define IEEE80211_WPS_SETUP_STATE       0x1044
2848 #define IEEE80211_WPS_UUID_E            0x1047
2849 #define IEEE80211_WPS_VERSION           0x104a
2850
2851 #define BE_READ_2(p)                                    \
2852         ((u_int16_t)                                    \
2853          ((((const u_int8_t *)(p))[1]      ) |          \
2854           (((const u_int8_t *)(p))[0] <<  8)))
2855
2856 static void
2857 printwpsie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2858 {
2859         u_int8_t len = ie[1];
2860
2861         printf("%s", tag);
2862         if (verbose) {
2863                 static const char *dev_pass_id[] = {
2864                         "D",    /* Default (PIN) */
2865                         "U",    /* User-specified */
2866                         "M",    /* Machine-specified */
2867                         "K",    /* Rekey */
2868                         "P",    /* PushButton */
2869                         "R"     /* Registrar-specified */
2870                 };
2871                 int n;
2872
2873                 ie +=6, len -= 4;               /* NB: len is payload only */
2874
2875                 /* WPS IE in Beacon and Probe Resp frames have different fields */
2876                 printf("<");
2877                 while (len) {
2878                         uint16_t tlv_type = BE_READ_2(ie);
2879                         uint16_t tlv_len  = BE_READ_2(ie + 2);
2880
2881                         ie += 4, len -= 4;
2882
2883                         switch (tlv_type) {
2884                         case IEEE80211_WPS_VERSION:
2885                                 printf("v:%d.%d", *ie >> 4, *ie & 0xf);
2886                                 break;
2887                         case IEEE80211_WPS_SETUP_STATE:
2888                                 /* Only 1 and 2 are valid */
2889                                 if (*ie == 0 || *ie >= 3)
2890                                         printf(" state:B");
2891                                 else
2892                                         printf(" st:%s", *ie == 1 ? "N" : "C");
2893                                 break;
2894                         case IEEE80211_WPS_SELECTED_REG:
2895                                 printf(" sel:%s", *ie ? "T" : "F");
2896                                 break;
2897                         case IEEE80211_WPS_DEV_PASS_ID:
2898                                 n = LE_READ_2(ie);
2899                                 if (n < nitems(dev_pass_id))
2900                                         printf(" dpi:%s", dev_pass_id[n]);
2901                                 break;
2902                         case IEEE80211_WPS_UUID_E:
2903                                 printf(" uuid-e:");
2904                                 for (n = 0; n < (tlv_len - 1); n++)
2905                                         printf("%02x-", ie[n]);
2906                                 printf("%02x", ie[n]);
2907                                 break;
2908                         }
2909                         ie += tlv_len, len -= tlv_len;
2910                 }
2911                 printf(">");
2912         }
2913 }
2914
2915 static void
2916 printtdmaie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2917 {
2918         printf("%s", tag);
2919         if (verbose && ielen >= sizeof(struct ieee80211_tdma_param)) {
2920                 const struct ieee80211_tdma_param *tdma =
2921                    (const struct ieee80211_tdma_param *) ie;
2922
2923                 /* XXX tstamp */
2924                 printf("<v%u slot:%u slotcnt:%u slotlen:%u bintval:%u inuse:0x%x>",
2925                     tdma->tdma_version, tdma->tdma_slot, tdma->tdma_slotcnt,
2926                     LE_READ_2(&tdma->tdma_slotlen), tdma->tdma_bintval,
2927                     tdma->tdma_inuse[0]);
2928         }
2929 }
2930
2931 /*
2932  * Copy the ssid string contents into buf, truncating to fit.  If the
2933  * ssid is entirely printable then just copy intact.  Otherwise convert
2934  * to hexadecimal.  If the result is truncated then replace the last
2935  * three characters with "...".
2936  */
2937 static int
2938 copy_essid(char buf[], size_t bufsize, const u_int8_t *essid, size_t essid_len)
2939 {
2940         const u_int8_t *p;
2941         size_t maxlen;
2942         int i;
2943
2944         if (essid_len > bufsize)
2945                 maxlen = bufsize;
2946         else
2947                 maxlen = essid_len;
2948         /* determine printable or not */
2949         for (i = 0, p = essid; i < maxlen; i++, p++) {
2950                 if (*p < ' ' || *p > 0x7e)
2951                         break;
2952         }
2953         if (i != maxlen) {              /* not printable, print as hex */
2954                 if (bufsize < 3)
2955                         return 0;
2956                 strlcpy(buf, "0x", bufsize);
2957                 bufsize -= 2;
2958                 p = essid;
2959                 for (i = 0; i < maxlen && bufsize >= 2; i++) {
2960                         sprintf(&buf[2+2*i], "%02x", p[i]);
2961                         bufsize -= 2;
2962                 }
2963                 if (i != essid_len)
2964                         memcpy(&buf[2+2*i-3], "...", 3);
2965         } else {                        /* printable, truncate as needed */
2966                 memcpy(buf, essid, maxlen);
2967                 if (maxlen != essid_len)
2968                         memcpy(&buf[maxlen-3], "...", 3);
2969         }
2970         return maxlen;
2971 }
2972
2973 static void
2974 printssid(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2975 {
2976         char ssid[2*IEEE80211_NWID_LEN+1];
2977
2978         printf("%s<%.*s>", tag, copy_essid(ssid, maxlen, ie+2, ie[1]), ssid);
2979 }
2980
2981 static void
2982 printrates(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2983 {
2984         const char *sep;
2985         int i;
2986
2987         printf("%s", tag);
2988         sep = "<";
2989         for (i = 2; i < ielen; i++) {
2990                 printf("%s%s%d", sep,
2991                     ie[i] & IEEE80211_RATE_BASIC ? "B" : "",
2992                     ie[i] & IEEE80211_RATE_VAL);
2993                 sep = ",";
2994         }
2995         printf(">");
2996 }
2997
2998 static void
2999 printcountry(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
3000 {
3001         const struct ieee80211_country_ie *cie =
3002            (const struct ieee80211_country_ie *) ie;
3003         int i, nbands, schan, nchan;
3004
3005         printf("%s<%c%c%c", tag, cie->cc[0], cie->cc[1], cie->cc[2]);
3006         nbands = (cie->len - 3) / sizeof(cie->band[0]);
3007         for (i = 0; i < nbands; i++) {
3008                 schan = cie->band[i].schan;
3009                 nchan = cie->band[i].nchan;
3010                 if (nchan != 1)
3011                         printf(" %u-%u,%u", schan, schan + nchan-1,
3012                             cie->band[i].maxtxpwr);
3013                 else
3014                         printf(" %u,%u", schan, cie->band[i].maxtxpwr);
3015         }
3016         printf(">");
3017 }
3018
3019 /* unaligned little endian access */
3020 #define LE_READ_4(p)                                    \
3021         ((u_int32_t)                                    \
3022          ((((const u_int8_t *)(p))[0]      ) |          \
3023           (((const u_int8_t *)(p))[1] <<  8) |          \
3024           (((const u_int8_t *)(p))[2] << 16) |          \
3025           (((const u_int8_t *)(p))[3] << 24)))
3026
3027 static __inline int
3028 iswpaoui(const u_int8_t *frm)
3029 {
3030         return frm[1] > 3 && LE_READ_4(frm+2) == ((WPA_OUI_TYPE<<24)|WPA_OUI);
3031 }
3032
3033 static __inline int
3034 iswmeinfo(const u_int8_t *frm)
3035 {
3036         return frm[1] > 5 && LE_READ_4(frm+2) == ((WME_OUI_TYPE<<24)|WME_OUI) &&
3037                 frm[6] == WME_INFO_OUI_SUBTYPE;
3038 }
3039
3040 static __inline int
3041 iswmeparam(const u_int8_t *frm)
3042 {
3043         return frm[1] > 5 && LE_READ_4(frm+2) == ((WME_OUI_TYPE<<24)|WME_OUI) &&
3044                 frm[6] == WME_PARAM_OUI_SUBTYPE;
3045 }
3046
3047 static __inline int
3048 isatherosoui(const u_int8_t *frm)
3049 {
3050         return frm[1] > 3 && LE_READ_4(frm+2) == ((ATH_OUI_TYPE<<24)|ATH_OUI);
3051 }
3052
3053 static __inline int
3054 istdmaoui(const uint8_t *frm)
3055 {
3056         return frm[1] > 3 && LE_READ_4(frm+2) == ((TDMA_OUI_TYPE<<24)|TDMA_OUI);
3057 }
3058
3059 static __inline int
3060 iswpsoui(const uint8_t *frm)
3061 {
3062         return frm[1] > 3 && LE_READ_4(frm+2) == ((WPS_OUI_TYPE<<24)|WPA_OUI);
3063 }
3064
3065 static const char *
3066 iename(int elemid)
3067 {
3068         switch (elemid) {
3069         case IEEE80211_ELEMID_FHPARMS:  return " FHPARMS";
3070         case IEEE80211_ELEMID_CFPARMS:  return " CFPARMS";
3071         case IEEE80211_ELEMID_TIM:      return " TIM";
3072         case IEEE80211_ELEMID_IBSSPARMS:return " IBSSPARMS";
3073         case IEEE80211_ELEMID_CHALLENGE:return " CHALLENGE";
3074         case IEEE80211_ELEMID_PWRCNSTR: return " PWRCNSTR";
3075         case IEEE80211_ELEMID_PWRCAP:   return " PWRCAP";
3076         case IEEE80211_ELEMID_TPCREQ:   return " TPCREQ";
3077         case IEEE80211_ELEMID_TPCREP:   return " TPCREP";
3078         case IEEE80211_ELEMID_SUPPCHAN: return " SUPPCHAN";
3079         case IEEE80211_ELEMID_CSA:      return " CSA";
3080         case IEEE80211_ELEMID_MEASREQ:  return " MEASREQ";
3081         case IEEE80211_ELEMID_MEASREP:  return " MEASREP";
3082         case IEEE80211_ELEMID_QUIET:    return " QUIET";
3083         case IEEE80211_ELEMID_IBSSDFS:  return " IBSSDFS";
3084         case IEEE80211_ELEMID_TPC:      return " TPC";
3085         case IEEE80211_ELEMID_CCKM:     return " CCKM";
3086         }
3087         return " ???";
3088 }
3089
3090 static void
3091 printies(const u_int8_t *vp, int ielen, int maxcols)
3092 {
3093         while (ielen > 0) {
3094                 switch (vp[0]) {
3095                 case IEEE80211_ELEMID_SSID:
3096                         if (verbose)
3097                                 printssid(" SSID", vp, 2+vp[1], maxcols);
3098                         break;
3099                 case IEEE80211_ELEMID_RATES:
3100                 case IEEE80211_ELEMID_XRATES:
3101                         if (verbose)
3102                                 printrates(vp[0] == IEEE80211_ELEMID_RATES ?
3103                                     " RATES" : " XRATES", vp, 2+vp[1], maxcols);
3104                         break;
3105                 case IEEE80211_ELEMID_DSPARMS:
3106                         if (verbose)
3107                                 printf(" DSPARMS<%u>", vp[2]);
3108                         break;
3109                 case IEEE80211_ELEMID_COUNTRY:
3110                         if (verbose)
3111                                 printcountry(" COUNTRY", vp, 2+vp[1], maxcols);
3112                         break;
3113                 case IEEE80211_ELEMID_ERP:
3114                         if (verbose)
3115                                 printf(" ERP<0x%x>", vp[2]);
3116                         break;
3117                 case IEEE80211_ELEMID_VENDOR:
3118                         if (iswpaoui(vp))
3119                                 printwpaie(" WPA", vp, 2+vp[1], maxcols);
3120                         else if (iswmeinfo(vp))
3121                                 printwmeinfo(" WME", vp, 2+vp[1], maxcols);
3122                         else if (iswmeparam(vp))
3123                                 printwmeparam(" WME", vp, 2+vp[1], maxcols);
3124                         else if (isatherosoui(vp))
3125                                 printathie(" ATH", vp, 2+vp[1], maxcols);
3126                         else if (iswpsoui(vp))
3127                                 printwpsie(" WPS", vp, 2+vp[1], maxcols);
3128                         else if (istdmaoui(vp))
3129                                 printtdmaie(" TDMA", vp, 2+vp[1], maxcols);
3130                         else if (verbose)
3131                                 printie(" VEN", vp, 2+vp[1], maxcols);
3132                         break;
3133                 case IEEE80211_ELEMID_RSN:
3134                         printrsnie(" RSN", vp, 2+vp[1], maxcols);
3135                         break;
3136                 case IEEE80211_ELEMID_HTCAP:
3137                         printhtcap(" HTCAP", vp, 2+vp[1], maxcols);
3138                         break;
3139                 case IEEE80211_ELEMID_HTINFO:
3140                         if (verbose)
3141                                 printhtinfo(" HTINFO", vp, 2+vp[1], maxcols);
3142                         break;
3143                 case IEEE80211_ELEMID_MESHID:
3144                         if (verbose)
3145                                 printssid(" MESHID", vp, 2+vp[1], maxcols);
3146                         break;
3147                 case IEEE80211_ELEMID_MESHCONF:
3148                         printmeshconf(" MESHCONF", vp, 2+vp[1], maxcols);
3149                         break;
3150                 default:
3151                         if (verbose)
3152                                 printie(iename(vp[0]), vp, 2+vp[1], maxcols);
3153                         break;
3154                 }
3155                 ielen -= 2+vp[1];
3156                 vp += 2+vp[1];
3157         }
3158 }
3159
3160 static void
3161 printmimo(const struct ieee80211_mimo_info *mi)
3162 {
3163         /* NB: don't muddy display unless there's something to show */
3164         if (mi->rssi[0] != 0 || mi->rssi[1] != 0 || mi->rssi[2] != 0) {
3165                 /* XXX ignore EVM for now */
3166                 printf(" (rssi %d:%d:%d nf %d:%d:%d)",
3167                     mi->rssi[0], mi->rssi[1], mi->rssi[2],
3168                     mi->noise[0], mi->noise[1], mi->noise[2]);
3169         }
3170 }
3171
3172 static void
3173 list_scan(int s)
3174 {
3175         uint8_t buf[24*1024];
3176         char ssid[IEEE80211_NWID_LEN+1];
3177         const uint8_t *cp;
3178         int len, ssidmax, idlen;
3179
3180         if (get80211len(s, IEEE80211_IOC_SCAN_RESULTS, buf, sizeof(buf), &len) < 0)
3181                 errx(1, "unable to get scan results");
3182         if (len < sizeof(struct ieee80211req_scan_result))
3183                 return;
3184
3185         getchaninfo(s);
3186
3187         ssidmax = verbose ? IEEE80211_NWID_LEN - 1 : 14;
3188         printf("%-*.*s  %-17.17s  %4s %4s  %-7s  %3s %4s\n"
3189                 , ssidmax, ssidmax, "SSID/MESH ID"
3190                 , "BSSID"
3191                 , "CHAN"
3192                 , "RATE"
3193                 , " S:N"
3194                 , "INT"
3195                 , "CAPS"
3196         );
3197         cp = buf;
3198         do {
3199                 const struct ieee80211req_scan_result *sr;
3200                 const uint8_t *vp, *idp;
3201
3202                 sr = (const struct ieee80211req_scan_result *) cp;
3203                 vp = cp + sr->isr_ie_off;
3204                 if (sr->isr_meshid_len) {
3205                         idp = vp + sr->isr_ssid_len;
3206                         idlen = sr->isr_meshid_len;
3207                 } else {
3208                         idp = vp;
3209                         idlen = sr->isr_ssid_len;
3210                 }
3211                 printf("%-*.*s  %s  %3d  %3dM %3d:%-3d  %3d %-4.4s"
3212                         , ssidmax
3213                           , copy_essid(ssid, ssidmax, idp, idlen)
3214                           , ssid
3215                         , ether_ntoa((const struct ether_addr *) sr->isr_bssid)
3216                         , ieee80211_mhz2ieee(sr->isr_freq, sr->isr_flags)
3217                         , getmaxrate(sr->isr_rates, sr->isr_nrates)
3218                         , (sr->isr_rssi/2)+sr->isr_noise, sr->isr_noise
3219                         , sr->isr_intval
3220                         , getcaps(sr->isr_capinfo)
3221                 );
3222                 printies(vp + sr->isr_ssid_len + sr->isr_meshid_len,
3223                     sr->isr_ie_len, 24);
3224                 printf("\n");
3225                 cp += sr->isr_len, len -= sr->isr_len;
3226         } while (len >= sizeof(struct ieee80211req_scan_result));
3227 }
3228
3229 static void
3230 scan_and_wait(int s)
3231 {
3232         struct ieee80211_scan_req sr;
3233         struct ieee80211req ireq;
3234         int sroute;
3235
3236         sroute = socket(PF_ROUTE, SOCK_RAW, 0);
3237         if (sroute < 0) {
3238                 perror("socket(PF_ROUTE,SOCK_RAW)");
3239                 return;
3240         }
3241         (void) memset(&ireq, 0, sizeof(ireq));
3242         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
3243         ireq.i_type = IEEE80211_IOC_SCAN_REQ;
3244
3245         memset(&sr, 0, sizeof(sr));
3246         sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE
3247                     | IEEE80211_IOC_SCAN_BGSCAN
3248                     | IEEE80211_IOC_SCAN_NOPICK
3249                     | IEEE80211_IOC_SCAN_ONCE;
3250         sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER;
3251         sr.sr_nssid = 0;
3252
3253         ireq.i_data = &sr;
3254         ireq.i_len = sizeof(sr);
3255         /*
3256          * NB: only root can trigger a scan so ignore errors. Also ignore
3257          * possible errors from net80211, even if no new scan could be
3258          * started there might still be a valid scan cache.
3259          */
3260         if (ioctl(s, SIOCS80211, &ireq) == 0) {
3261                 char buf[2048];
3262                 struct if_announcemsghdr *ifan;
3263                 struct rt_msghdr *rtm;
3264
3265                 do {
3266                         if (read(sroute, buf, sizeof(buf)) < 0) {
3267                                 perror("read(PF_ROUTE)");
3268                                 break;
3269                         }
3270                         rtm = (struct rt_msghdr *) buf;
3271                         if (rtm->rtm_version != RTM_VERSION)
3272                                 break;
3273                         ifan = (struct if_announcemsghdr *) rtm;
3274                 } while (rtm->rtm_type != RTM_IEEE80211 ||
3275                     ifan->ifan_what != RTM_IEEE80211_SCAN);
3276         }
3277         close(sroute);
3278 }
3279
3280 static
3281 DECL_CMD_FUNC(set80211scan, val, d)
3282 {
3283         scan_and_wait(s);
3284         list_scan(s);
3285 }
3286
3287 static enum ieee80211_opmode get80211opmode(int s);
3288
3289 static int
3290 gettxseq(const struct ieee80211req_sta_info *si)
3291 {
3292         int i, txseq;
3293
3294         if ((si->isi_state & IEEE80211_NODE_QOS) == 0)
3295                 return si->isi_txseqs[0];
3296         /* XXX not right but usually what folks want */
3297         txseq = 0;
3298         for (i = 0; i < IEEE80211_TID_SIZE; i++)
3299                 if (si->isi_txseqs[i] > txseq)
3300                         txseq = si->isi_txseqs[i];
3301         return txseq;
3302 }
3303
3304 static int
3305 getrxseq(const struct ieee80211req_sta_info *si)
3306 {
3307         int i, rxseq;
3308
3309         if ((si->isi_state & IEEE80211_NODE_QOS) == 0)
3310                 return si->isi_rxseqs[0];
3311         /* XXX not right but usually what folks want */
3312         rxseq = 0;
3313         for (i = 0; i < IEEE80211_TID_SIZE; i++)
3314                 if (si->isi_rxseqs[i] > rxseq)
3315                         rxseq = si->isi_rxseqs[i];
3316         return rxseq;
3317 }
3318
3319 static void
3320 list_stations(int s)
3321 {
3322         union {
3323                 struct ieee80211req_sta_req req;
3324                 uint8_t buf[24*1024];
3325         } u;
3326         enum ieee80211_opmode opmode = get80211opmode(s);
3327         const uint8_t *cp;
3328         int len;
3329
3330         /* broadcast address =>'s get all stations */
3331         (void) memset(u.req.is_u.macaddr, 0xff, IEEE80211_ADDR_LEN);
3332         if (opmode == IEEE80211_M_STA) {
3333                 /*
3334                  * Get information about the associated AP.
3335                  */
3336                 (void) get80211(s, IEEE80211_IOC_BSSID,
3337                     u.req.is_u.macaddr, IEEE80211_ADDR_LEN);
3338         }
3339         if (get80211len(s, IEEE80211_IOC_STA_INFO, &u, sizeof(u), &len) < 0)
3340                 errx(1, "unable to get station information");
3341         if (len < sizeof(struct ieee80211req_sta_info))
3342                 return;
3343
3344         getchaninfo(s);
3345
3346         if (opmode == IEEE80211_M_MBSS)
3347                 printf("%-17.17s %4s %5s %5s %7s %4s %4s %4s %6s %6s\n"
3348                         , "ADDR"
3349                         , "CHAN"
3350                         , "LOCAL"
3351                         , "PEER"
3352                         , "STATE"
3353                         , "RATE"
3354                         , "RSSI"
3355                         , "IDLE"
3356                         , "TXSEQ"
3357                         , "RXSEQ"
3358                 );
3359         else
3360                 printf("%-17.17s %4s %4s %4s %4s %4s %6s %6s %4s %-7s\n"
3361                         , "ADDR"
3362                         , "AID"
3363                         , "CHAN"
3364                         , "RATE"
3365                         , "RSSI"
3366                         , "IDLE"
3367                         , "TXSEQ"
3368                         , "RXSEQ"
3369                         , "CAPS"
3370                         , "FLAG"
3371                 );
3372         cp = (const uint8_t *) u.req.info;
3373         do {
3374                 const struct ieee80211req_sta_info *si;
3375
3376                 si = (const struct ieee80211req_sta_info *) cp;
3377                 if (si->isi_len < sizeof(*si))
3378                         break;
3379                 if (opmode == IEEE80211_M_MBSS)
3380                         printf("%s %4d %5x %5x %7.7s %3dM %4.1f %4d %6d %6d"
3381                                 , ether_ntoa((const struct ether_addr*)
3382                                     si->isi_macaddr)
3383                                 , ieee80211_mhz2ieee(si->isi_freq,
3384                                     si->isi_flags)
3385                                 , si->isi_localid
3386                                 , si->isi_peerid
3387                                 , mesh_linkstate_string(si->isi_peerstate)
3388                                 , si->isi_txmbps/2
3389                                 , si->isi_rssi/2.
3390                                 , si->isi_inact
3391                                 , gettxseq(si)
3392                                 , getrxseq(si)
3393                         );
3394                 else
3395                         printf("%s %4u %4d %3dM %4.1f %4d %6d %6d %-4.4s %-7.7s"
3396                                 , ether_ntoa((const struct ether_addr*)
3397                                     si->isi_macaddr)
3398                                 , IEEE80211_AID(si->isi_associd)
3399                                 , ieee80211_mhz2ieee(si->isi_freq,
3400                                     si->isi_flags)
3401                                 , si->isi_txmbps/2
3402                                 , si->isi_rssi/2.
3403                                 , si->isi_inact
3404                                 , gettxseq(si)
3405                                 , getrxseq(si)
3406                                 , getcaps(si->isi_capinfo)
3407                                 , getflags(si->isi_state)
3408                         );
3409                 printies(cp + si->isi_ie_off, si->isi_ie_len, 24);
3410                 printmimo(&si->isi_mimo);
3411                 printf("\n");
3412                 cp += si->isi_len, len -= si->isi_len;
3413         } while (len >= sizeof(struct ieee80211req_sta_info));
3414 }
3415
3416 static const char *
3417 mesh_linkstate_string(uint8_t state)
3418 {
3419         static const char *state_names[] = {
3420             [0] = "IDLE",
3421             [1] = "OPEN-TX",
3422             [2] = "OPEN-RX",
3423             [3] = "CONF-RX",
3424             [4] = "ESTAB",
3425             [5] = "HOLDING",
3426         };
3427
3428         if (state >= nitems(state_names)) {
3429                 static char buf[10];
3430                 snprintf(buf, sizeof(buf), "#%u", state);
3431                 return buf;
3432         } else
3433                 return state_names[state];
3434 }
3435
3436 static const char *
3437 get_chaninfo(const struct ieee80211_channel *c, int precise,
3438         char buf[], size_t bsize)
3439 {
3440         buf[0] = '\0';
3441         if (IEEE80211_IS_CHAN_FHSS(c))
3442                 strlcat(buf, " FHSS", bsize);
3443         if (IEEE80211_IS_CHAN_A(c))
3444                 strlcat(buf, " 11a", bsize);
3445         else if (IEEE80211_IS_CHAN_ANYG(c))
3446                 strlcat(buf, " 11g", bsize);
3447         else if (IEEE80211_IS_CHAN_B(c))
3448                 strlcat(buf, " 11b", bsize);
3449         if (IEEE80211_IS_CHAN_HALF(c))
3450                 strlcat(buf, "/10MHz", bsize);
3451         if (IEEE80211_IS_CHAN_QUARTER(c))
3452                 strlcat(buf, "/5MHz", bsize);
3453         if (IEEE80211_IS_CHAN_TURBO(c))
3454                 strlcat(buf, " Turbo", bsize);
3455         if (precise) {
3456                 if (IEEE80211_IS_CHAN_HT20(c))
3457                         strlcat(buf, " ht/20", bsize);
3458                 else if (IEEE80211_IS_CHAN_HT40D(c))
3459                         strlcat(buf, " ht/40-", bsize);
3460                 else if (IEEE80211_IS_CHAN_HT40U(c))
3461                         strlcat(buf, " ht/40+", bsize);
3462         } else {
3463                 if (IEEE80211_IS_CHAN_HT(c))
3464                         strlcat(buf, " ht", bsize);
3465         }
3466         return buf;
3467 }
3468
3469 static void
3470 print_chaninfo(const struct ieee80211_channel *c, int verb)
3471 {
3472         char buf[14];
3473
3474         if (verb)
3475                 printf("Channel %3u : %u%c%c%c%c%c MHz%-14.14s",
3476                     ieee80211_mhz2ieee(c->ic_freq, c->ic_flags), c->ic_freq,
3477                     IEEE80211_IS_CHAN_PASSIVE(c) ? '*' : ' ',
3478                     IEEE80211_IS_CHAN_DFS(c) ? 'D' : ' ',
3479                     IEEE80211_IS_CHAN_RADAR(c) ? 'R' : ' ',
3480                     IEEE80211_IS_CHAN_CWINT(c) ? 'I' : ' ',
3481                     IEEE80211_IS_CHAN_CACDONE(c) ? 'C' : ' ',
3482                     get_chaninfo(c, verb, buf, sizeof(buf)));
3483         else
3484         printf("Channel %3u : %u%c MHz%-14.14s",
3485             ieee80211_mhz2ieee(c->ic_freq, c->ic_flags), c->ic_freq,
3486             IEEE80211_IS_CHAN_PASSIVE(c) ? '*' : ' ',
3487             get_chaninfo(c, verb, buf, sizeof(buf)));
3488
3489 }
3490
3491 static int
3492 chanpref(const struct ieee80211_channel *c)
3493 {
3494         if (IEEE80211_IS_CHAN_HT40(c))
3495                 return 40;
3496         if (IEEE80211_IS_CHAN_HT20(c))
3497                 return 30;
3498         if (IEEE80211_IS_CHAN_HALF(c))
3499                 return 10;
3500         if (IEEE80211_IS_CHAN_QUARTER(c))
3501                 return 5;
3502         if (IEEE80211_IS_CHAN_TURBO(c))
3503                 return 25;
3504         if (IEEE80211_IS_CHAN_A(c))
3505                 return 20;
3506         if (IEEE80211_IS_CHAN_G(c))
3507                 return 20;
3508         if (IEEE80211_IS_CHAN_B(c))
3509                 return 15;
3510         if (IEEE80211_IS_CHAN_PUREG(c))
3511                 return 15;
3512         return 0;
3513 }
3514
3515 static void
3516 print_channels(int s, const struct ieee80211req_chaninfo *chans,
3517         int allchans, int verb)
3518 {
3519         struct ieee80211req_chaninfo *achans;
3520         uint8_t reported[IEEE80211_CHAN_BYTES];
3521         const struct ieee80211_channel *c;
3522         int i, half;
3523
3524         achans = malloc(IEEE80211_CHANINFO_SPACE(chans));
3525         if (achans == NULL)
3526                 errx(1, "no space for active channel list");
3527         achans->ic_nchans = 0;
3528         memset(reported, 0, sizeof(reported));
3529         if (!allchans) {
3530                 struct ieee80211req_chanlist active;
3531
3532                 if (get80211(s, IEEE80211_IOC_CHANLIST, &active, sizeof(active)) < 0)
3533                         errx(1, "unable to get active channel list");
3534                 for (i = 0; i < chans->ic_nchans; i++) {
3535                         c = &chans->ic_chans[i];
3536                         if (!isset(active.ic_channels, c->ic_ieee))
3537                                 continue;
3538                         /*
3539                          * Suppress compatible duplicates unless
3540                          * verbose.  The kernel gives us it's
3541                          * complete channel list which has separate
3542                          * entries for 11g/11b and 11a/turbo.
3543                          */
3544                         if (isset(reported, c->ic_ieee) && !verb) {
3545                                 /* XXX we assume duplicates are adjacent */
3546                                 achans->ic_chans[achans->ic_nchans-1] = *c;
3547                         } else {
3548                                 achans->ic_chans[achans->ic_nchans++] = *c;
3549                                 setbit(reported, c->ic_ieee);
3550                         }
3551                 }
3552         } else {
3553                 for (i = 0; i < chans->ic_nchans; i++) {
3554                         c = &chans->ic_chans[i];
3555                         /* suppress duplicates as above */
3556                         if (isset(reported, c->ic_ieee) && !verb) {
3557                                 /* XXX we assume duplicates are adjacent */
3558                                 struct ieee80211_channel *a =
3559                                     &achans->ic_chans[achans->ic_nchans-1];
3560                                 if (chanpref(c) > chanpref(a))
3561                                         *a = *c;
3562                         } else {
3563                                 achans->ic_chans[achans->ic_nchans++] = *c;
3564                                 setbit(reported, c->ic_ieee);
3565                         }
3566                 }
3567         }
3568         half = achans->ic_nchans / 2;
3569         if (achans->ic_nchans % 2)
3570                 half++;
3571
3572         for (i = 0; i < achans->ic_nchans / 2; i++) {
3573                 print_chaninfo(&achans->ic_chans[i], verb);
3574                 print_chaninfo(&achans->ic_chans[half+i], verb);
3575                 printf("\n");
3576         }
3577         if (achans->ic_nchans % 2) {
3578                 print_chaninfo(&achans->ic_chans[i], verb);
3579                 printf("\n");
3580         }
3581         free(achans);
3582 }
3583
3584 static void
3585 list_channels(int s, int allchans)
3586 {
3587         getchaninfo(s);
3588         print_channels(s, chaninfo, allchans, verbose);
3589 }
3590
3591 static void
3592 print_txpow(const struct ieee80211_channel *c)
3593 {
3594         printf("Channel %3u : %u MHz %3.1f reg %2d  ",
3595             c->ic_ieee, c->ic_freq,
3596             c->ic_maxpower/2., c->ic_maxregpower);
3597 }
3598
3599 static void
3600 print_txpow_verbose(const struct ieee80211_channel *c)
3601 {
3602         print_chaninfo(c, 1);
3603         printf("min %4.1f dBm  max %3.1f dBm  reg %2d dBm",
3604             c->ic_minpower/2., c->ic_maxpower/2., c->ic_maxregpower);
3605         /* indicate where regulatory cap limits power use */
3606         if (c->ic_maxpower > 2*c->ic_maxregpower)
3607                 printf(" <");
3608 }
3609
3610 static void
3611 list_txpow(int s)
3612 {
3613         struct ieee80211req_chaninfo *achans;
3614         uint8_t reported[IEEE80211_CHAN_BYTES];
3615         struct ieee80211_channel *c, *prev;
3616         int i, half;
3617
3618         getchaninfo(s);
3619         achans = malloc(IEEE80211_CHANINFO_SPACE(chaninfo));
3620         if (achans == NULL)
3621                 errx(1, "no space for active channel list");
3622         achans->ic_nchans = 0;
3623         memset(reported, 0, sizeof(reported));
3624         for (i = 0; i < chaninfo->ic_nchans; i++) {
3625                 c = &chaninfo->ic_chans[i];
3626                 /* suppress duplicates as above */
3627                 if (isset(reported, c->ic_ieee) && !verbose) {
3628                         /* XXX we assume duplicates are adjacent */
3629                         prev = &achans->ic_chans[achans->ic_nchans-1];
3630                         /* display highest power on channel */
3631                         if (c->ic_maxpower > prev->ic_maxpower)
3632                                 *prev = *c;
3633                 } else {
3634                         achans->ic_chans[achans->ic_nchans++] = *c;
3635                         setbit(reported, c->ic_ieee);
3636                 }
3637         }
3638         if (!verbose) {
3639                 half = achans->ic_nchans / 2;
3640                 if (achans->ic_nchans % 2)
3641                         half++;
3642
3643                 for (i = 0; i < achans->ic_nchans / 2; i++) {
3644                         print_txpow(&achans->ic_chans[i]);
3645                         print_txpow(&achans->ic_chans[half+i]);
3646                         printf("\n");
3647                 }
3648                 if (achans->ic_nchans % 2) {
3649                         print_txpow(&achans->ic_chans[i]);
3650                         printf("\n");
3651                 }
3652         } else {
3653                 for (i = 0; i < achans->ic_nchans; i++) {
3654                         print_txpow_verbose(&achans->ic_chans[i]);
3655                         printf("\n");
3656                 }
3657         }
3658         free(achans);
3659 }
3660
3661 static void
3662 list_keys(int s)
3663 {
3664 }
3665
3666 #define IEEE80211_C_BITS \
3667         "\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \
3668         "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
3669         "\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
3670         "\37TXFRAG\40TDMA"
3671
3672 static void
3673 list_capabilities(int s)
3674 {
3675         struct ieee80211_devcaps_req *dc;
3676
3677         if (verbose)
3678                 dc = malloc(IEEE80211_DEVCAPS_SIZE(MAXCHAN));
3679         else
3680                 dc = malloc(IEEE80211_DEVCAPS_SIZE(1));
3681         if (dc == NULL)
3682                 errx(1, "no space for device capabilities");
3683         dc->dc_chaninfo.ic_nchans = verbose ? MAXCHAN : 1;
3684         getdevcaps(s, dc);
3685         printb("drivercaps", dc->dc_drivercaps, IEEE80211_C_BITS);
3686         if (dc->dc_cryptocaps != 0 || verbose) {
3687                 putchar('\n');
3688                 printb("cryptocaps", dc->dc_cryptocaps, IEEE80211_CRYPTO_BITS);
3689         }
3690         if (dc->dc_htcaps != 0 || verbose) {
3691                 putchar('\n');
3692                 printb("htcaps", dc->dc_htcaps, IEEE80211_HTCAP_BITS);
3693         }
3694         putchar('\n');
3695         if (verbose) {
3696                 chaninfo = &dc->dc_chaninfo;    /* XXX */
3697                 print_channels(s, &dc->dc_chaninfo, 1/*allchans*/, verbose);
3698         }
3699         free(dc);
3700 }
3701
3702 static int
3703 get80211wme(int s, int param, int ac, int *val)
3704 {
3705         struct ieee80211req ireq;
3706
3707         (void) memset(&ireq, 0, sizeof(ireq));
3708         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
3709         ireq.i_type = param;
3710         ireq.i_len = ac;
3711         if (ioctl(s, SIOCG80211, &ireq) < 0) {
3712                 warn("cannot get WME parameter %d, ac %d%s",
3713                     param, ac & IEEE80211_WMEPARAM_VAL,
3714                     ac & IEEE80211_WMEPARAM_BSS ? " (BSS)" : "");
3715                 return -1;
3716         }
3717         *val = ireq.i_val;
3718         return 0;
3719 }
3720
3721 static void
3722 list_wme_aci(int s, const char *tag, int ac)
3723 {
3724         int val;
3725
3726         printf("\t%s", tag);
3727
3728         /* show WME BSS parameters */
3729         if (get80211wme(s, IEEE80211_IOC_WME_CWMIN, ac, &val) != -1)
3730                 printf(" cwmin %2u", val);
3731         if (get80211wme(s, IEEE80211_IOC_WME_CWMAX, ac, &val) != -1)
3732                 printf(" cwmax %2u", val);
3733         if (get80211wme(s, IEEE80211_IOC_WME_AIFS, ac, &val) != -1)
3734                 printf(" aifs %2u", val);
3735         if (get80211wme(s, IEEE80211_IOC_WME_TXOPLIMIT, ac, &val) != -1)
3736                 printf(" txopLimit %3u", val);
3737         if (get80211wme(s, IEEE80211_IOC_WME_ACM, ac, &val) != -1) {
3738                 if (val)
3739                         printf(" acm");
3740                 else if (verbose)
3741                         printf(" -acm");
3742         }
3743         /* !BSS only */
3744         if ((ac & IEEE80211_WMEPARAM_BSS) == 0) {
3745                 if (get80211wme(s, IEEE80211_IOC_WME_ACKPOLICY, ac, &val) != -1) {
3746                         if (!val)
3747                                 printf(" -ack");
3748                         else if (verbose)
3749                                 printf(" ack");
3750                 }
3751         }
3752         printf("\n");
3753 }
3754
3755 static void
3756 list_wme(int s)
3757 {
3758         static const char *acnames[] = { "AC_BE", "AC_BK", "AC_VI", "AC_VO" };
3759         int ac;
3760
3761         if (verbose) {
3762                 /* display both BSS and local settings */
3763                 for (ac = WME_AC_BE; ac <= WME_AC_VO; ac++) {
3764         again:
3765                         if (ac & IEEE80211_WMEPARAM_BSS)
3766                                 list_wme_aci(s, "     ", ac);
3767                         else
3768                                 list_wme_aci(s, acnames[ac], ac);
3769                         if ((ac & IEEE80211_WMEPARAM_BSS) == 0) {
3770                                 ac |= IEEE80211_WMEPARAM_BSS;
3771                                 goto again;
3772                         } else
3773                                 ac &= ~IEEE80211_WMEPARAM_BSS;
3774                 }
3775         } else {
3776                 /* display only channel settings */
3777                 for (ac = WME_AC_BE; ac <= WME_AC_VO; ac++)
3778                         list_wme_aci(s, acnames[ac], ac);
3779         }
3780 }
3781
3782 static void
3783 list_roam(int s)
3784 {
3785         const struct ieee80211_roamparam *rp;
3786         int mode;
3787
3788         getroam(s);
3789         for (mode = IEEE80211_MODE_11A; mode < IEEE80211_MODE_MAX; mode++) {
3790                 rp = &roamparams.params[mode];
3791                 if (rp->rssi == 0 && rp->rate == 0)
3792                         continue;
3793                 if (mode == IEEE80211_MODE_11NA || mode == IEEE80211_MODE_11NG) {
3794                         if (rp->rssi & 1)
3795                                 LINE_CHECK("roam:%-7.7s rssi %2u.5dBm  MCS %2u    ",
3796                                     modename[mode], rp->rssi/2,
3797                                     rp->rate &~ IEEE80211_RATE_MCS);
3798                         else
3799                                 LINE_CHECK("roam:%-7.7s rssi %4udBm  MCS %2u    ",
3800                                     modename[mode], rp->rssi/2,
3801                                     rp->rate &~ IEEE80211_RATE_MCS);
3802                 } else {
3803                         if (rp->rssi & 1)
3804                                 LINE_CHECK("roam:%-7.7s rssi %2u.5dBm rate %2u Mb/s",
3805                                     modename[mode], rp->rssi/2, rp->rate/2);
3806                         else
3807                                 LINE_CHECK("roam:%-7.7s rssi %4udBm rate %2u Mb/s",
3808                                     modename[mode], rp->rssi/2, rp->rate/2);
3809                 }
3810         }
3811 }
3812
3813 static void
3814 list_txparams(int s)
3815 {
3816         const struct ieee80211_txparam *tp;
3817         int mode;
3818
3819         gettxparams(s);
3820         for (mode = IEEE80211_MODE_11A; mode < IEEE80211_MODE_MAX; mode++) {
3821                 tp = &txparams.params[mode];
3822                 if (tp->mgmtrate == 0 && tp->mcastrate == 0)
3823                         continue;
3824                 if (mode == IEEE80211_MODE_11NA || mode == IEEE80211_MODE_11NG) {
3825                         if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE)
3826                                 LINE_CHECK("%-7.7s ucast NONE    mgmt %2u MCS  "
3827                                     "mcast %2u MCS  maxretry %u",
3828                                     modename[mode],
3829                                     tp->mgmtrate &~ IEEE80211_RATE_MCS,
3830                                     tp->mcastrate &~ IEEE80211_RATE_MCS,
3831                                     tp->maxretry);
3832                         else
3833                                 LINE_CHECK("%-7.7s ucast %2u MCS  mgmt %2u MCS  "
3834                                     "mcast %2u MCS  maxretry %u",
3835                                     modename[mode],
3836                                     tp->ucastrate &~ IEEE80211_RATE_MCS,
3837                                     tp->mgmtrate &~ IEEE80211_RATE_MCS,
3838                                     tp->mcastrate &~ IEEE80211_RATE_MCS,
3839                                     tp->maxretry);
3840                 } else {
3841                         if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE)
3842                                 LINE_CHECK("%-7.7s ucast NONE    mgmt %2u Mb/s "
3843                                     "mcast %2u Mb/s maxretry %u",
3844                                     modename[mode],
3845                                     tp->mgmtrate/2,
3846                                     tp->mcastrate/2, tp->maxretry);
3847                         else
3848                                 LINE_CHECK("%-7.7s ucast %2u Mb/s mgmt %2u Mb/s "
3849                                     "mcast %2u Mb/s maxretry %u",
3850                                     modename[mode],
3851                                     tp->ucastrate/2, tp->mgmtrate/2,
3852                                     tp->mcastrate/2, tp->maxretry);
3853                 }
3854         }
3855 }
3856
3857 static void
3858 printpolicy(int policy)
3859 {
3860         switch (policy) {
3861         case IEEE80211_MACCMD_POLICY_OPEN:
3862                 printf("policy: open\n");
3863                 break;
3864         case IEEE80211_MACCMD_POLICY_ALLOW:
3865                 printf("policy: allow\n");
3866                 break;
3867         case IEEE80211_MACCMD_POLICY_DENY:
3868                 printf("policy: deny\n");
3869                 break;
3870         case IEEE80211_MACCMD_POLICY_RADIUS:
3871                 printf("policy: radius\n");
3872                 break;
3873         default:
3874                 printf("policy: unknown (%u)\n", policy);
3875                 break;
3876         }
3877 }
3878
3879 static void
3880 list_mac(int s)
3881 {
3882         struct ieee80211req ireq;
3883         struct ieee80211req_maclist *acllist;
3884         int i, nacls, policy, len;
3885         uint8_t *data;
3886         char c;
3887
3888         (void) memset(&ireq, 0, sizeof(ireq));
3889         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name)); /* XXX ?? */
3890         ireq.i_type = IEEE80211_IOC_MACCMD;
3891         ireq.i_val = IEEE80211_MACCMD_POLICY;
3892         if (ioctl(s, SIOCG80211, &ireq) < 0) {
3893                 if (errno == EINVAL) {
3894                         printf("No acl policy loaded\n");
3895                         return;
3896                 }
3897                 err(1, "unable to get mac policy");
3898         }
3899         policy = ireq.i_val;
3900         if (policy == IEEE80211_MACCMD_POLICY_OPEN) {
3901                 c = '*';
3902         } else if (policy == IEEE80211_MACCMD_POLICY_ALLOW) {
3903                 c = '+';
3904         } else if (policy == IEEE80211_MACCMD_POLICY_DENY) {
3905                 c = '-';
3906         } else if (policy == IEEE80211_MACCMD_POLICY_RADIUS) {
3907                 c = 'r';                /* NB: should never have entries */
3908         } else {
3909                 printf("policy: unknown (%u)\n", policy);
3910                 c = '?';
3911         }
3912         if (verbose || c == '?')
3913                 printpolicy(policy);
3914
3915         ireq.i_val = IEEE80211_MACCMD_LIST;
3916         ireq.i_len = 0;
3917         if (ioctl(s, SIOCG80211, &ireq) < 0)
3918                 err(1, "unable to get mac acl list size");
3919         if (ireq.i_len == 0) {          /* NB: no acls */
3920                 if (!(verbose || c == '?'))
3921                         printpolicy(policy);
3922                 return;
3923         }
3924         len = ireq.i_len;
3925
3926         data = malloc(len);
3927         if (data == NULL)
3928                 err(1, "out of memory for acl list");
3929
3930         ireq.i_data = data;
3931         if (ioctl(s, SIOCG80211, &ireq) < 0)
3932                 err(1, "unable to get mac acl list");
3933         nacls = len / sizeof(*acllist);
3934         acllist = (struct ieee80211req_maclist *) data;
3935         for (i = 0; i < nacls; i++)
3936                 printf("%c%s\n", c, ether_ntoa(
3937                         (const struct ether_addr *) acllist[i].ml_macaddr));
3938         free(data);
3939 }
3940
3941 static void
3942 print_regdomain(const struct ieee80211_regdomain *reg, int verb)
3943 {
3944         if ((reg->regdomain != 0 &&
3945             reg->regdomain != reg->country) || verb) {
3946                 const struct regdomain *rd =
3947                     lib80211_regdomain_findbysku(getregdata(), reg->regdomain);
3948                 if (rd == NULL)
3949                         LINE_CHECK("regdomain %d", reg->regdomain);
3950                 else
3951                         LINE_CHECK("regdomain %s", rd->name);
3952         }
3953         if (reg->country != 0 || verb) {
3954                 const struct country *cc =
3955                     lib80211_country_findbycc(getregdata(), reg->country);
3956                 if (cc == NULL)
3957                         LINE_CHECK("country %d", reg->country);
3958                 else
3959                         LINE_CHECK("country %s", cc->isoname);
3960         }
3961         if (reg->location == 'I')
3962                 LINE_CHECK("indoor");
3963         else if (reg->location == 'O')
3964                 LINE_CHECK("outdoor");
3965         else if (verb)
3966                 LINE_CHECK("anywhere");
3967         if (reg->ecm)
3968                 LINE_CHECK("ecm");
3969         else if (verb)
3970                 LINE_CHECK("-ecm");
3971 }
3972
3973 static void
3974 list_regdomain(int s, int channelsalso)
3975 {
3976         getregdomain(s);
3977         if (channelsalso) {
3978                 getchaninfo(s);
3979                 spacer = ':';
3980                 print_regdomain(&regdomain, 1);
3981                 LINE_BREAK();
3982                 print_channels(s, chaninfo, 1/*allchans*/, 1/*verbose*/);
3983         } else
3984                 print_regdomain(&regdomain, verbose);
3985 }
3986
3987 static void
3988 list_mesh(int s)
3989 {
3990         struct ieee80211req ireq;
3991         struct ieee80211req_mesh_route routes[128];
3992         struct ieee80211req_mesh_route *rt;
3993
3994         (void) memset(&ireq, 0, sizeof(ireq));
3995         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
3996         ireq.i_type = IEEE80211_IOC_MESH_RTCMD;
3997         ireq.i_val = IEEE80211_MESH_RTCMD_LIST;
3998         ireq.i_data = &routes;
3999         ireq.i_len = sizeof(routes);
4000         if (ioctl(s, SIOCG80211, &ireq) < 0)
4001                 err(1, "unable to get the Mesh routing table");
4002
4003         printf("%-17.17s %-17.17s %4s %4s %4s %6s %s\n"
4004                 , "DEST"
4005                 , "NEXT HOP"
4006                 , "HOPS"
4007                 , "METRIC"
4008                 , "LIFETIME"
4009                 , "MSEQ"
4010                 , "FLAGS");
4011
4012         for (rt = &routes[0]; rt - &routes[0] < ireq.i_len / sizeof(*rt); rt++){
4013                 printf("%s ",
4014                     ether_ntoa((const struct ether_addr *)rt->imr_dest));
4015                 printf("%s %4u   %4u   %6u %6u    %c%c\n",
4016                         ether_ntoa((const struct ether_addr *)rt->imr_nexthop),
4017                         rt->imr_nhops, rt->imr_metric, rt->imr_lifetime,
4018                         rt->imr_lastmseq,
4019                         (rt->imr_flags & IEEE80211_MESHRT_FLAGS_DISCOVER) ?
4020                             'D' :
4021                         (rt->imr_flags & IEEE80211_MESHRT_FLAGS_VALID) ?
4022                             'V' : '!',
4023                         (rt->imr_flags & IEEE80211_MESHRT_FLAGS_PROXY) ?
4024                             'P' :
4025                         (rt->imr_flags & IEEE80211_MESHRT_FLAGS_GATE) ?
4026                             'G' :' ');
4027         }
4028 }
4029
4030 static
4031 DECL_CMD_FUNC(set80211list, arg, d)
4032 {
4033 #define iseq(a,b)       (strncasecmp(a,b,sizeof(b)-1) == 0)
4034
4035         LINE_INIT('\t');
4036
4037         if (iseq(arg, "sta"))
4038                 list_stations(s);
4039         else if (iseq(arg, "scan") || iseq(arg, "ap"))
4040                 list_scan(s);
4041         else if (iseq(arg, "chan") || iseq(arg, "freq"))
4042                 list_channels(s, 1);
4043         else if (iseq(arg, "active"))
4044                 list_channels(s, 0);
4045         else if (iseq(arg, "keys"))
4046                 list_keys(s);
4047         else if (iseq(arg, "caps"))
4048                 list_capabilities(s);
4049         else if (iseq(arg, "wme") || iseq(arg, "wmm"))
4050                 list_wme(s);
4051         else if (iseq(arg, "mac"))
4052                 list_mac(s);
4053         else if (iseq(arg, "txpow"))
4054                 list_txpow(s);
4055         else if (iseq(arg, "roam"))
4056                 list_roam(s);
4057         else if (iseq(arg, "txparam") || iseq(arg, "txparm"))
4058                 list_txparams(s);
4059         else if (iseq(arg, "regdomain"))
4060                 list_regdomain(s, 1);
4061         else if (iseq(arg, "countries"))
4062                 list_countries();
4063         else if (iseq(arg, "mesh"))
4064                 list_mesh(s);
4065         else
4066                 errx(1, "Don't know how to list %s for %s", arg, name);
4067         LINE_BREAK();
4068 #undef iseq
4069 }
4070
4071 static enum ieee80211_opmode
4072 get80211opmode(int s)
4073 {
4074         struct ifmediareq ifmr;
4075
4076         (void) memset(&ifmr, 0, sizeof(ifmr));
4077         (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));
4078
4079         if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) >= 0) {
4080                 if (ifmr.ifm_current & IFM_IEEE80211_ADHOC) {
4081                         if (ifmr.ifm_current & IFM_FLAG0)
4082                                 return IEEE80211_M_AHDEMO;
4083                         else
4084                                 return IEEE80211_M_IBSS;
4085                 }
4086                 if (ifmr.ifm_current & IFM_IEEE80211_HOSTAP)
4087                         return IEEE80211_M_HOSTAP;
4088                 if (ifmr.ifm_current & IFM_IEEE80211_MONITOR)
4089                         return IEEE80211_M_MONITOR;
4090                 if (ifmr.ifm_current & IFM_IEEE80211_MBSS)
4091                         return IEEE80211_M_MBSS;
4092         }
4093         return IEEE80211_M_STA;
4094 }
4095
4096 #if 0
4097 static void
4098 printcipher(int s, struct ieee80211req *ireq, int keylenop)
4099 {
4100         switch (ireq->i_val) {
4101         case IEEE80211_CIPHER_WEP:
4102                 ireq->i_type = keylenop;
4103                 if (ioctl(s, SIOCG80211, ireq) != -1)
4104                         printf("WEP-%s",
4105                             ireq->i_len <= 5 ? "40" :
4106                             ireq->i_len <= 13 ? "104" : "128");
4107                 else
4108                         printf("WEP");
4109                 break;
4110         case IEEE80211_CIPHER_TKIP:
4111                 printf("TKIP");
4112                 break;
4113         case IEEE80211_CIPHER_AES_OCB:
4114                 printf("AES-OCB");
4115                 break;
4116         case IEEE80211_CIPHER_AES_CCM:
4117                 printf("AES-CCM");
4118                 break;
4119         case IEEE80211_CIPHER_CKIP:
4120                 printf("CKIP");
4121                 break;
4122         case IEEE80211_CIPHER_NONE:
4123                 printf("NONE");
4124                 break;
4125         default:
4126                 printf("UNKNOWN (0x%x)", ireq->i_val);
4127                 break;
4128         }
4129 }
4130 #endif
4131
4132 static void
4133 printkey(const struct ieee80211req_key *ik)
4134 {
4135         static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
4136         int keylen = ik->ik_keylen;
4137         int printcontents;
4138
4139         printcontents = printkeys &&
4140                 (memcmp(ik->ik_keydata, zerodata, keylen) != 0 || verbose);
4141         if (printcontents)
4142                 LINE_BREAK();
4143         switch (ik->ik_type) {
4144         case IEEE80211_CIPHER_WEP:
4145                 /* compatibility */
4146                 LINE_CHECK("wepkey %u:%s", ik->ik_keyix+1,
4147                     keylen <= 5 ? "40-bit" :
4148                     keylen <= 13 ? "104-bit" : "128-bit");
4149                 break;
4150         case IEEE80211_CIPHER_TKIP:
4151                 if (keylen > 128/8)
4152                         keylen -= 128/8;        /* ignore MIC for now */
4153                 LINE_CHECK("TKIP %u:%u-bit", ik->ik_keyix+1, 8*keylen);
4154                 break;
4155         case IEEE80211_CIPHER_AES_OCB:
4156                 LINE_CHECK("AES-OCB %u:%u-bit", ik->ik_keyix+1, 8*keylen);
4157                 break;
4158         case IEEE80211_CIPHER_AES_CCM:
4159                 LINE_CHECK("AES-CCM %u:%u-bit", ik->ik_keyix+1, 8*keylen);
4160                 break;
4161         case IEEE80211_CIPHER_CKIP:
4162                 LINE_CHECK("CKIP %u:%u-bit", ik->ik_keyix+1, 8*keylen);
4163                 break;
4164         case IEEE80211_CIPHER_NONE:
4165                 LINE_CHECK("NULL %u:%u-bit", ik->ik_keyix+1, 8*keylen);
4166                 break;
4167         default:
4168                 LINE_CHECK("UNKNOWN (0x%x) %u:%u-bit",
4169                         ik->ik_type, ik->ik_keyix+1, 8*keylen);
4170                 break;
4171         }
4172         if (printcontents) {
4173                 int i;
4174
4175                 printf(" <");
4176                 for (i = 0; i < keylen; i++)
4177                         printf("%02x", ik->ik_keydata[i]);
4178                 printf(">");
4179                 if (ik->ik_type != IEEE80211_CIPHER_WEP &&
4180                     (ik->ik_keyrsc != 0 || verbose))
4181                         printf(" rsc %ju", (uintmax_t)ik->ik_keyrsc);
4182                 if (ik->ik_type != IEEE80211_CIPHER_WEP &&
4183                     (ik->ik_keytsc != 0 || verbose))
4184                         printf(" tsc %ju", (uintmax_t)ik->ik_keytsc);
4185                 if (ik->ik_flags != 0 && verbose) {
4186                         const char *sep = " ";
4187
4188                         if (ik->ik_flags & IEEE80211_KEY_XMIT)
4189                                 printf("%stx", sep), sep = "+";
4190                         if (ik->ik_flags & IEEE80211_KEY_RECV)
4191                                 printf("%srx", sep), sep = "+";
4192                         if (ik->ik_flags & IEEE80211_KEY_DEFAULT)
4193                                 printf("%sdef", sep), sep = "+";
4194                 }
4195                 LINE_BREAK();
4196         }
4197 }
4198
4199 static void
4200 printrate(const char *tag, int v, int defrate, int defmcs)
4201 {
4202         if ((v & IEEE80211_RATE_MCS) == 0) {
4203                 if (v != defrate) {
4204                         if (v & 1)
4205                                 LINE_CHECK("%s %d.5", tag, v/2);
4206                         else
4207                                 LINE_CHECK("%s %d", tag, v/2);
4208                 }
4209         } else {
4210                 if (v != defmcs)
4211                         LINE_CHECK("%s %d", tag, v &~ 0x80);
4212         }
4213 }
4214
4215 static int
4216 getid(int s, int ix, void *data, size_t len, int *plen, int mesh)
4217 {
4218         struct ieee80211req ireq;
4219
4220         (void) memset(&ireq, 0, sizeof(ireq));
4221         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
4222         ireq.i_type = (!mesh) ? IEEE80211_IOC_SSID : IEEE80211_IOC_MESH_ID;
4223         ireq.i_val = ix;
4224         ireq.i_data = data;
4225         ireq.i_len = len;
4226         if (ioctl(s, SIOCG80211, &ireq) < 0)
4227                 return -1;
4228         *plen = ireq.i_len;
4229         return 0;
4230 }
4231
4232 static void
4233 ieee80211_status(int s)
4234 {
4235         static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
4236         enum ieee80211_opmode opmode = get80211opmode(s);
4237         int i, num, wpa, wme, bgscan, bgscaninterval, val, len, wepmode;
4238         uint8_t data[32];
4239         const struct ieee80211_channel *c;
4240         const struct ieee80211_roamparam *rp;
4241         const struct ieee80211_txparam *tp;
4242
4243         if (getid(s, -1, data, sizeof(data), &len, 0) < 0) {
4244                 /* If we can't get the SSID, this isn't an 802.11 device. */
4245                 return;
4246         }
4247
4248         /*
4249          * Invalidate cached state so printing status for multiple
4250          * if's doesn't reuse the first interfaces' cached state.
4251          */
4252         gotcurchan = 0;
4253         gotroam = 0;
4254         gottxparams = 0;
4255         gothtconf = 0;
4256         gotregdomain = 0;
4257
4258         printf("\t");
4259         if (opmode == IEEE80211_M_MBSS) {
4260                 printf("meshid ");
4261                 getid(s, 0, data, sizeof(data), &len, 1);
4262                 print_string(data, len);
4263         } else {
4264                 if (get80211val(s, IEEE80211_IOC_NUMSSIDS, &num) < 0)
4265                         num = 0;
4266                 printf("ssid ");
4267                 if (num > 1) {
4268                         for (i = 0; i < num; i++) {
4269                                 if (getid(s, i, data, sizeof(data), &len, 0) >= 0 && len > 0) {
4270                                         printf(" %d:", i + 1);
4271                                         print_string(data, len);
4272                                 }
4273                         }
4274                 } else
4275                         print_string(data, len);
4276         }
4277         c = getcurchan(s);
4278         if (c->ic_freq != IEEE80211_CHAN_ANY) {
4279                 char buf[14];
4280                 printf(" channel %d (%u MHz%s)", c->ic_ieee, c->ic_freq,
4281                         get_chaninfo(c, 1, buf, sizeof(buf)));
4282         } else if (verbose)
4283                 printf(" channel UNDEF");
4284
4285         if (get80211(s, IEEE80211_IOC_BSSID, data, IEEE80211_ADDR_LEN) >= 0 &&
4286             (memcmp(data, zerobssid, sizeof(zerobssid)) != 0 || verbose))
4287                 printf(" bssid %s", ether_ntoa((struct ether_addr *)data));
4288
4289         if (get80211len(s, IEEE80211_IOC_STATIONNAME, data, sizeof(data), &len) != -1) {
4290                 printf("\n\tstationname ");
4291                 print_string(data, len);
4292         }
4293
4294         spacer = ' ';           /* force first break */
4295         LINE_BREAK();
4296
4297         list_regdomain(s, 0);
4298
4299         wpa = 0;
4300         if (get80211val(s, IEEE80211_IOC_AUTHMODE, &val) != -1) {
4301                 switch (val) {
4302                 case IEEE80211_AUTH_NONE:
4303                         LINE_CHECK("authmode NONE");
4304                         break;
4305                 case IEEE80211_AUTH_OPEN:
4306                         LINE_CHECK("authmode OPEN");
4307                         break;
4308                 case IEEE80211_AUTH_SHARED:
4309                         LINE_CHECK("authmode SHARED");
4310                         break;
4311                 case IEEE80211_AUTH_8021X:
4312                         LINE_CHECK("authmode 802.1x");
4313                         break;
4314                 case IEEE80211_AUTH_WPA:
4315                         if (get80211val(s, IEEE80211_IOC_WPA, &wpa) < 0)
4316                                 wpa = 1;        /* default to WPA1 */
4317                         switch (wpa) {
4318                         case 2:
4319                                 LINE_CHECK("authmode WPA2/802.11i");
4320                                 break;
4321                         case 3:
4322                                 LINE_CHECK("authmode WPA1+WPA2/802.11i");
4323                                 break;
4324                         default:
4325                                 LINE_CHECK("authmode WPA");
4326                                 break;
4327                         }
4328                         break;
4329                 case IEEE80211_AUTH_AUTO:
4330                         LINE_CHECK("authmode AUTO");
4331                         break;
4332                 default:
4333                         LINE_CHECK("authmode UNKNOWN (0x%x)", val);
4334                         break;
4335                 }
4336         }
4337
4338         if (wpa || verbose) {
4339                 if (get80211val(s, IEEE80211_IOC_WPS, &val) != -1) {
4340                         if (val)
4341                                 LINE_CHECK("wps");
4342                         else if (verbose)
4343                                 LINE_CHECK("-wps");
4344                 }
4345                 if (get80211val(s, IEEE80211_IOC_TSN, &val) != -1) {
4346                         if (val)
4347                                 LINE_CHECK("tsn");
4348                         else if (verbose)
4349                                 LINE_CHECK("-tsn");
4350                 }
4351                 if (ioctl(s, IEEE80211_IOC_COUNTERMEASURES, &val) != -1) {
4352                         if (val)
4353                                 LINE_CHECK("countermeasures");
4354                         else if (verbose)
4355                                 LINE_CHECK("-countermeasures");
4356                 }
4357 #if 0
4358                 /* XXX not interesting with WPA done in user space */
4359                 ireq.i_type = IEEE80211_IOC_KEYMGTALGS;
4360                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
4361                 }
4362
4363                 ireq.i_type = IEEE80211_IOC_MCASTCIPHER;
4364                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
4365                         LINE_CHECK("mcastcipher ");
4366                         printcipher(s, &ireq, IEEE80211_IOC_MCASTKEYLEN);
4367                         spacer = ' ';
4368                 }
4369
4370                 ireq.i_type = IEEE80211_IOC_UCASTCIPHER;
4371                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
4372                         LINE_CHECK("ucastcipher ");
4373                         printcipher(s, &ireq, IEEE80211_IOC_UCASTKEYLEN);
4374                 }
4375
4376                 if (wpa & 2) {
4377                         ireq.i_type = IEEE80211_IOC_RSNCAPS;
4378                         if (ioctl(s, SIOCG80211, &ireq) != -1) {
4379                                 LINE_CHECK("RSN caps 0x%x", ireq.i_val);
4380                                 spacer = ' ';
4381                         }
4382                 }
4383
4384                 ireq.i_type = IEEE80211_IOC_UCASTCIPHERS;
4385                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
4386                 }
4387 #endif
4388         }
4389
4390         if (get80211val(s, IEEE80211_IOC_WEP, &wepmode) != -1 &&
4391             wepmode != IEEE80211_WEP_NOSUP) {
4392
4393                 switch (wepmode) {
4394                 case IEEE80211_WEP_OFF:
4395                         LINE_CHECK("privacy OFF");
4396                         break;
4397                 case IEEE80211_WEP_ON:
4398                         LINE_CHECK("privacy ON");
4399                         break;
4400                 case IEEE80211_WEP_MIXED:
4401                         LINE_CHECK("privacy MIXED");
4402                         break;
4403                 default:
4404                         LINE_CHECK("privacy UNKNOWN (0x%x)", wepmode);
4405                         break;
4406                 }
4407
4408                 /*
4409                  * If we get here then we've got WEP support so we need
4410                  * to print WEP status.
4411                  */
4412
4413                 if (get80211val(s, IEEE80211_IOC_WEPTXKEY, &val) < 0) {
4414                         warn("WEP support, but no tx key!");
4415                         goto end;
4416                 }
4417                 if (val != -1)
4418                         LINE_CHECK("deftxkey %d", val+1);
4419                 else if (wepmode != IEEE80211_WEP_OFF || verbose)
4420                         LINE_CHECK("deftxkey UNDEF");
4421
4422                 if (get80211val(s, IEEE80211_IOC_NUMWEPKEYS, &num) < 0) {
4423                         warn("WEP support, but no NUMWEPKEYS support!");
4424                         goto end;
4425                 }
4426
4427                 for (i = 0; i < num; i++) {
4428                         struct ieee80211req_key ik;
4429
4430                         memset(&ik, 0, sizeof(ik));
4431                         ik.ik_keyix = i;
4432                         if (get80211(s, IEEE80211_IOC_WPAKEY, &ik, sizeof(ik)) < 0) {
4433                                 warn("WEP support, but can get keys!");
4434                                 goto end;
4435                         }
4436                         if (ik.ik_keylen != 0) {
4437                                 if (verbose)
4438                                         LINE_BREAK();
4439                                 printkey(&ik);
4440                         }
4441                 }
4442 end:
4443                 ;
4444         }
4445
4446         if (get80211val(s, IEEE80211_IOC_POWERSAVE, &val) != -1 &&
4447             val != IEEE80211_POWERSAVE_NOSUP ) {
4448                 if (val != IEEE80211_POWERSAVE_OFF || verbose) {
4449                         switch (val) {
4450                         case IEEE80211_POWERSAVE_OFF:
4451                                 LINE_CHECK("powersavemode OFF");
4452                                 break;
4453                         case IEEE80211_POWERSAVE_CAM:
4454                                 LINE_CHECK("powersavemode CAM");
4455                                 break;
4456                         case IEEE80211_POWERSAVE_PSP:
4457                                 LINE_CHECK("powersavemode PSP");
4458                                 break;
4459                         case IEEE80211_POWERSAVE_PSP_CAM:
4460                                 LINE_CHECK("powersavemode PSP-CAM");
4461                                 break;
4462                         }
4463                         if (get80211val(s, IEEE80211_IOC_POWERSAVESLEEP, &val) != -1)
4464                                 LINE_CHECK("powersavesleep %d", val);
4465                 }
4466         }
4467
4468         if (get80211val(s, IEEE80211_IOC_TXPOWER, &val) != -1) {
4469                 if (val & 1)
4470                         LINE_CHECK("txpower %d.5", val/2);
4471                 else
4472                         LINE_CHECK("txpower %d", val/2);
4473         }
4474         if (verbose) {
4475                 if (get80211val(s, IEEE80211_IOC_TXPOWMAX, &val) != -1)
4476                         LINE_CHECK("txpowmax %.1f", val/2.);
4477         }
4478
4479         if (get80211val(s, IEEE80211_IOC_DOTD, &val) != -1) {
4480                 if (val)
4481                         LINE_CHECK("dotd");
4482                 else if (verbose)
4483                         LINE_CHECK("-dotd");
4484         }
4485
4486         if (get80211val(s, IEEE80211_IOC_RTSTHRESHOLD, &val) != -1) {
4487                 if (val != IEEE80211_RTS_MAX || verbose)
4488                         LINE_CHECK("rtsthreshold %d", val);
4489         }
4490
4491         if (get80211val(s, IEEE80211_IOC_FRAGTHRESHOLD, &val) != -1) {
4492                 if (val != IEEE80211_FRAG_MAX || verbose)
4493                         LINE_CHECK("fragthreshold %d", val);
4494         }
4495         if (opmode == IEEE80211_M_STA || verbose) {
4496                 if (get80211val(s, IEEE80211_IOC_BMISSTHRESHOLD, &val) != -1) {
4497                         if (val != IEEE80211_HWBMISS_MAX || verbose)
4498                                 LINE_CHECK("bmiss %d", val);
4499                 }
4500         }
4501
4502         if (!verbose) {
4503                 gettxparams(s);
4504                 tp = &txparams.params[chan2mode(c)];
4505                 printrate("ucastrate", tp->ucastrate,
4506                     IEEE80211_FIXED_RATE_NONE, IEEE80211_FIXED_RATE_NONE);
4507                 printrate("mcastrate", tp->mcastrate, 2*1,
4508                     IEEE80211_RATE_MCS|0);
4509                 printrate("mgmtrate", tp->mgmtrate, 2*1,
4510                     IEEE80211_RATE_MCS|0);
4511                 if (tp->maxretry != 6)          /* XXX */
4512                         LINE_CHECK("maxretry %d", tp->maxretry);
4513         } else {
4514                 LINE_BREAK();
4515                 list_txparams(s);
4516         }
4517
4518         bgscaninterval = -1;
4519         (void) get80211val(s, IEEE80211_IOC_BGSCAN_INTERVAL, &bgscaninterval);
4520
4521         if (get80211val(s, IEEE80211_IOC_SCANVALID, &val) != -1) {
4522                 if (val != bgscaninterval || verbose)
4523                         LINE_CHECK("scanvalid %u", val);
4524         }
4525
4526         bgscan = 0;
4527         if (get80211val(s, IEEE80211_IOC_BGSCAN, &bgscan) != -1) {
4528                 if (bgscan)
4529                         LINE_CHECK("bgscan");
4530                 else if (verbose)
4531                         LINE_CHECK("-bgscan");
4532         }
4533         if (bgscan || verbose) {
4534                 if (bgscaninterval != -1)
4535                         LINE_CHECK("bgscanintvl %u", bgscaninterval);
4536                 if (get80211val(s, IEEE80211_IOC_BGSCAN_IDLE, &val) != -1)
4537                         LINE_CHECK("bgscanidle %u", val);
4538                 if (!verbose) {
4539                         getroam(s);
4540                         rp = &roamparams.params[chan2mode(c)];
4541                         if (rp->rssi & 1)
4542                                 LINE_CHECK("roam:rssi %u.5", rp->rssi/2);
4543                         else
4544                                 LINE_CHECK("roam:rssi %u", rp->rssi/2);
4545                         LINE_CHECK("roam:rate %u", rp->rate/2);
4546                 } else {
4547                         LINE_BREAK();
4548                         list_roam(s);
4549                         LINE_BREAK();
4550                 }
4551         }
4552
4553         if (IEEE80211_IS_CHAN_ANYG(c) || verbose) {
4554                 if (get80211val(s, IEEE80211_IOC_PUREG, &val) != -1) {
4555                         if (val)
4556                                 LINE_CHECK("pureg");
4557                         else if (verbose)
4558                                 LINE_CHECK("-pureg");
4559                 }
4560                 if (get80211val(s, IEEE80211_IOC_PROTMODE, &val) != -1) {
4561                         switch (val) {
4562                         case IEEE80211_PROTMODE_OFF:
4563                                 LINE_CHECK("protmode OFF");
4564                                 break;
4565                         case IEEE80211_PROTMODE_CTS:
4566                                 LINE_CHECK("protmode CTS");
4567                                 break;
4568                         case IEEE80211_PROTMODE_RTSCTS:
4569                                 LINE_CHECK("protmode RTSCTS");
4570                                 break;
4571                         default:
4572                                 LINE_CHECK("protmode UNKNOWN (0x%x)", val);
4573                                 break;
4574                         }
4575                 }
4576         }
4577
4578         if (IEEE80211_IS_CHAN_HT(c) || verbose) {
4579                 gethtconf(s);
4580                 switch (htconf & 3) {
4581                 case 0:
4582                 case 2:
4583                         LINE_CHECK("-ht");
4584                         break;
4585                 case 1:
4586                         LINE_CHECK("ht20");
4587                         break;
4588                 case 3:
4589                         if (verbose)
4590                                 LINE_CHECK("ht");
4591                         break;
4592                 }
4593                 if (get80211val(s, IEEE80211_IOC_HTCOMPAT, &val) != -1) {
4594                         if (!val)
4595                                 LINE_CHECK("-htcompat");
4596                         else if (verbose)
4597                                 LINE_CHECK("htcompat");
4598                 }
4599                 if (get80211val(s, IEEE80211_IOC_AMPDU, &val) != -1) {
4600                         switch (val) {
4601                         case 0:
4602                                 LINE_CHECK("-ampdu");
4603                                 break;
4604                         case 1:
4605                                 LINE_CHECK("ampdutx -ampdurx");
4606                                 break;
4607                         case 2:
4608                                 LINE_CHECK("-ampdutx ampdurx");
4609                                 break;
4610                         case 3:
4611                                 if (verbose)
4612                                         LINE_CHECK("ampdu");
4613                                 break;
4614                         }
4615                 }
4616                 if (get80211val(s, IEEE80211_IOC_AMPDU_LIMIT, &val) != -1) {
4617                         switch (val) {
4618                         case IEEE80211_HTCAP_MAXRXAMPDU_8K:
4619                                 LINE_CHECK("ampdulimit 8k");
4620                                 break;
4621                         case IEEE80211_HTCAP_MAXRXAMPDU_16K:
4622                                 LINE_CHECK("ampdulimit 16k");
4623                                 break;
4624                         case IEEE80211_HTCAP_MAXRXAMPDU_32K:
4625                                 LINE_CHECK("ampdulimit 32k");
4626                                 break;
4627                         case IEEE80211_HTCAP_MAXRXAMPDU_64K:
4628                                 LINE_CHECK("ampdulimit 64k");
4629                                 break;
4630                         }
4631                 }
4632                 if (get80211val(s, IEEE80211_IOC_AMPDU_DENSITY, &val) != -1) {
4633                         switch (val) {
4634                         case IEEE80211_HTCAP_MPDUDENSITY_NA:
4635                                 if (verbose)
4636                                         LINE_CHECK("ampdudensity NA");
4637                                 break;
4638                         case IEEE80211_HTCAP_MPDUDENSITY_025:
4639                                 LINE_CHECK("ampdudensity .25");
4640                                 break;
4641                         case IEEE80211_HTCAP_MPDUDENSITY_05:
4642                                 LINE_CHECK("ampdudensity .5");
4643                                 break;
4644                         case IEEE80211_HTCAP_MPDUDENSITY_1:
4645                                 LINE_CHECK("ampdudensity 1");
4646                                 break;
4647                         case IEEE80211_HTCAP_MPDUDENSITY_2:
4648                                 LINE_CHECK("ampdudensity 2");
4649                                 break;
4650                         case IEEE80211_HTCAP_MPDUDENSITY_4:
4651                                 LINE_CHECK("ampdudensity 4");
4652                                 break;
4653                         case IEEE80211_HTCAP_MPDUDENSITY_8:
4654                                 LINE_CHECK("ampdudensity 8");
4655                                 break;
4656                         case IEEE80211_HTCAP_MPDUDENSITY_16:
4657                                 LINE_CHECK("ampdudensity 16");
4658                                 break;
4659                         }
4660                 }
4661                 if (get80211val(s, IEEE80211_IOC_AMSDU, &val) != -1) {
4662                         switch (val) {
4663                         case 0:
4664                                 LINE_CHECK("-amsdu");
4665                                 break;
4666                         case 1:
4667                                 LINE_CHECK("amsdutx -amsdurx");
4668                                 break;
4669                         case 2:
4670                                 LINE_CHECK("-amsdutx amsdurx");
4671                                 break;
4672                         case 3:
4673                                 if (verbose)
4674                                         LINE_CHECK("amsdu");
4675                                 break;
4676                         }
4677                 }
4678                 /* XXX amsdu limit */
4679                 if (get80211val(s, IEEE80211_IOC_SHORTGI, &val) != -1) {
4680                         if (val)
4681                                 LINE_CHECK("shortgi");
4682                         else if (verbose)
4683                                 LINE_CHECK("-shortgi");
4684                 }
4685                 if (get80211val(s, IEEE80211_IOC_HTPROTMODE, &val) != -1) {
4686                         if (val == IEEE80211_PROTMODE_OFF)
4687                                 LINE_CHECK("htprotmode OFF");
4688                         else if (val != IEEE80211_PROTMODE_RTSCTS)
4689                                 LINE_CHECK("htprotmode UNKNOWN (0x%x)", val);
4690                         else if (verbose)
4691                                 LINE_CHECK("htprotmode RTSCTS");
4692                 }
4693                 if (get80211val(s, IEEE80211_IOC_PUREN, &val) != -1) {
4694                         if (val)
4695                                 LINE_CHECK("puren");
4696                         else if (verbose)
4697                                 LINE_CHECK("-puren");
4698                 }
4699                 if (get80211val(s, IEEE80211_IOC_SMPS, &val) != -1) {
4700                         if (val == IEEE80211_HTCAP_SMPS_DYNAMIC)
4701                                 LINE_CHECK("smpsdyn");
4702                         else if (val == IEEE80211_HTCAP_SMPS_ENA)
4703                                 LINE_CHECK("smps");
4704                         else if (verbose)
4705                                 LINE_CHECK("-smps");
4706                 }
4707                 if (get80211val(s, IEEE80211_IOC_RIFS, &val) != -1) {
4708                         if (val)
4709                                 LINE_CHECK("rifs");
4710                         else if (verbose)
4711                                 LINE_CHECK("-rifs");
4712                 }
4713         }
4714
4715         if (get80211val(s, IEEE80211_IOC_WME, &wme) != -1) {
4716                 if (wme)
4717                         LINE_CHECK("wme");
4718                 else if (verbose)
4719                         LINE_CHECK("-wme");
4720         } else
4721                 wme = 0;
4722
4723         if (get80211val(s, IEEE80211_IOC_BURST, &val) != -1) {
4724                 if (val)
4725                         LINE_CHECK("burst");
4726                 else if (verbose)
4727                         LINE_CHECK("-burst");
4728         }
4729
4730         if (get80211val(s, IEEE80211_IOC_FF, &val) != -1) {
4731                 if (val)
4732                         LINE_CHECK("ff");
4733                 else if (verbose)
4734                         LINE_CHECK("-ff");
4735         }
4736         if (get80211val(s, IEEE80211_IOC_TURBOP, &val) != -1) {
4737                 if (val)
4738                         LINE_CHECK("dturbo");
4739                 else if (verbose)
4740                         LINE_CHECK("-dturbo");
4741         }
4742         if (get80211val(s, IEEE80211_IOC_DWDS, &val) != -1) {
4743                 if (val)
4744                         LINE_CHECK("dwds");
4745                 else if (verbose)
4746                         LINE_CHECK("-dwds");
4747         }
4748
4749         if (opmode == IEEE80211_M_HOSTAP) {
4750                 if (get80211val(s, IEEE80211_IOC_HIDESSID, &val) != -1) {
4751                         if (val)
4752                                 LINE_CHECK("hidessid");
4753                         else if (verbose)
4754                                 LINE_CHECK("-hidessid");
4755                 }
4756                 if (get80211val(s, IEEE80211_IOC_APBRIDGE, &val) != -1) {
4757                         if (!val)
4758                                 LINE_CHECK("-apbridge");
4759                         else if (verbose)
4760                                 LINE_CHECK("apbridge");
4761                 }
4762                 if (get80211val(s, IEEE80211_IOC_DTIM_PERIOD, &val) != -1)
4763                         LINE_CHECK("dtimperiod %u", val);
4764
4765                 if (get80211val(s, IEEE80211_IOC_DOTH, &val) != -1) {
4766                         if (!val)
4767                                 LINE_CHECK("-doth");
4768                         else if (verbose)
4769                                 LINE_CHECK("doth");
4770                 }
4771                 if (get80211val(s, IEEE80211_IOC_DFS, &val) != -1) {
4772                         if (!val)
4773                                 LINE_CHECK("-dfs");
4774                         else if (verbose)
4775                                 LINE_CHECK("dfs");
4776                 }
4777                 if (get80211val(s, IEEE80211_IOC_INACTIVITY, &val) != -1) {
4778                         if (!val)
4779                                 LINE_CHECK("-inact");
4780                         else if (verbose)
4781                                 LINE_CHECK("inact");
4782                 }
4783         } else {
4784                 if (get80211val(s, IEEE80211_IOC_ROAMING, &val) != -1) {
4785                         if (val != IEEE80211_ROAMING_AUTO || verbose) {
4786                                 switch (val) {
4787                                 case IEEE80211_ROAMING_DEVICE:
4788                                         LINE_CHECK("roaming DEVICE");
4789                                         break;
4790                                 case IEEE80211_ROAMING_AUTO:
4791                                         LINE_CHECK("roaming AUTO");
4792                                         break;
4793                                 case IEEE80211_ROAMING_MANUAL:
4794                                         LINE_CHECK("roaming MANUAL");
4795                                         break;
4796                                 default:
4797                                         LINE_CHECK("roaming UNKNOWN (0x%x)",
4798                                                 val);
4799                                         break;
4800                                 }
4801                         }
4802                 }
4803         }
4804
4805         if (opmode == IEEE80211_M_AHDEMO) {
4806                 if (get80211val(s, IEEE80211_IOC_TDMA_SLOT, &val) != -1)
4807                         LINE_CHECK("tdmaslot %u", val);
4808                 if (get80211val(s, IEEE80211_IOC_TDMA_SLOTCNT, &val) != -1)
4809                         LINE_CHECK("tdmaslotcnt %u", val);
4810                 if (get80211val(s, IEEE80211_IOC_TDMA_SLOTLEN, &val) != -1)
4811                         LINE_CHECK("tdmaslotlen %u", val);
4812                 if (get80211val(s, IEEE80211_IOC_TDMA_BINTERVAL, &val) != -1)
4813                         LINE_CHECK("tdmabintval %u", val);
4814         } else if (get80211val(s, IEEE80211_IOC_BEACON_INTERVAL, &val) != -1) {
4815                 /* XXX default define not visible */
4816                 if (val != 100 || verbose)
4817                         LINE_CHECK("bintval %u", val);
4818         }
4819
4820         if (wme && verbose) {
4821                 LINE_BREAK();
4822                 list_wme(s);
4823         }
4824
4825         if (opmode == IEEE80211_M_MBSS) {
4826                 if (get80211val(s, IEEE80211_IOC_MESH_TTL, &val) != -1) {
4827                         LINE_CHECK("meshttl %u", val);
4828                 }
4829                 if (get80211val(s, IEEE80211_IOC_MESH_AP, &val) != -1) {
4830                         if (val)
4831                                 LINE_CHECK("meshpeering");
4832                         else
4833                                 LINE_CHECK("-meshpeering");
4834                 }
4835                 if (get80211val(s, IEEE80211_IOC_MESH_FWRD, &val) != -1) {
4836                         if (val)
4837                                 LINE_CHECK("meshforward");
4838                         else
4839                                 LINE_CHECK("-meshforward");
4840                 }
4841                 if (get80211val(s, IEEE80211_IOC_MESH_GATE, &val) != -1) {
4842                         if (val)
4843                                 LINE_CHECK("meshgate");
4844                         else
4845                                 LINE_CHECK("-meshgate");
4846                 }
4847                 if (get80211len(s, IEEE80211_IOC_MESH_PR_METRIC, data, 12,
4848                     &len) != -1) {
4849                         data[len] = '\0';
4850                         LINE_CHECK("meshmetric %s", data);
4851                 }
4852                 if (get80211len(s, IEEE80211_IOC_MESH_PR_PATH, data, 12,
4853                     &len) != -1) {
4854                         data[len] = '\0';
4855                         LINE_CHECK("meshpath %s", data);
4856                 }
4857                 if (get80211val(s, IEEE80211_IOC_HWMP_ROOTMODE, &val) != -1) {
4858                         switch (val) {
4859                         case IEEE80211_HWMP_ROOTMODE_DISABLED:
4860                                 LINE_CHECK("hwmprootmode DISABLED");
4861                                 break;
4862                         case IEEE80211_HWMP_ROOTMODE_NORMAL:
4863                                 LINE_CHECK("hwmprootmode NORMAL");
4864                                 break;
4865                         case IEEE80211_HWMP_ROOTMODE_PROACTIVE:
4866                                 LINE_CHECK("hwmprootmode PROACTIVE");
4867                                 break;
4868                         case IEEE80211_HWMP_ROOTMODE_RANN:
4869                                 LINE_CHECK("hwmprootmode RANN");
4870                                 break;
4871                         default:
4872                                 LINE_CHECK("hwmprootmode UNKNOWN(%d)", val);
4873                                 break;
4874                         }
4875                 }
4876                 if (get80211val(s, IEEE80211_IOC_HWMP_MAXHOPS, &val) != -1) {
4877                         LINE_CHECK("hwmpmaxhops %u", val);
4878                 }
4879         }
4880
4881         LINE_BREAK();
4882 }
4883
4884 static int
4885 get80211(int s, int type, void *data, int len)
4886 {
4887         struct ieee80211req ireq;
4888
4889         (void) memset(&ireq, 0, sizeof(ireq));
4890         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
4891         ireq.i_type = type;
4892         ireq.i_data = data;
4893         ireq.i_len = len;
4894         return ioctl(s, SIOCG80211, &ireq);
4895 }
4896
4897 static int
4898 get80211len(int s, int type, void *data, int len, int *plen)
4899 {
4900         struct ieee80211req ireq;
4901
4902         (void) memset(&ireq, 0, sizeof(ireq));
4903         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
4904         ireq.i_type = type;
4905         ireq.i_len = len;
4906         assert(ireq.i_len == len);      /* NB: check for 16-bit truncation */
4907         ireq.i_data = data;
4908         if (ioctl(s, SIOCG80211, &ireq) < 0)
4909                 return -1;
4910         *plen = ireq.i_len;
4911         return 0;
4912 }
4913
4914 static int
4915 get80211val(int s, int type, int *val)
4916 {
4917         struct ieee80211req ireq;
4918
4919         (void) memset(&ireq, 0, sizeof(ireq));
4920         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
4921         ireq.i_type = type;
4922         if (ioctl(s, SIOCG80211, &ireq) < 0)
4923                 return -1;
4924         *val = ireq.i_val;
4925         return 0;
4926 }
4927
4928 static void
4929 set80211(int s, int type, int val, int len, void *data)
4930 {
4931         struct ieee80211req     ireq;
4932
4933         (void) memset(&ireq, 0, sizeof(ireq));
4934         (void) strncpy(ireq.i_name, name, sizeof(ireq.i_name));
4935         ireq.i_type = type;
4936         ireq.i_val = val;
4937         ireq.i_len = len;
4938         assert(ireq.i_len == len);      /* NB: check for 16-bit truncation */
4939         ireq.i_data = data;
4940         if (ioctl(s, SIOCS80211, &ireq) < 0)
4941                 err(1, "SIOCS80211");
4942 }
4943
4944 static const char *
4945 get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp)
4946 {
4947         int len;
4948         int hexstr;
4949         u_int8_t *p;
4950
4951         len = *lenp;
4952         p = buf;
4953         hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x');
4954         if (hexstr)
4955                 val += 2;
4956         for (;;) {
4957                 if (*val == '\0')
4958                         break;
4959                 if (sep != NULL && strchr(sep, *val) != NULL) {
4960                         val++;
4961                         break;
4962                 }
4963                 if (hexstr) {
4964                         if (!isxdigit((u_char)val[0])) {
4965                                 warnx("bad hexadecimal digits");
4966                                 return NULL;
4967                         }
4968                         if (!isxdigit((u_char)val[1])) {
4969                                 warnx("odd count hexadecimal digits");
4970                                 return NULL;
4971                         }
4972                 }
4973                 if (p >= buf + len) {
4974                         if (hexstr)
4975                                 warnx("hexadecimal digits too long");
4976                         else
4977                                 warnx("string too long");
4978                         return NULL;
4979                 }
4980                 if (hexstr) {
4981 #define tohex(x)        (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10)
4982                         *p++ = (tohex((u_char)val[0]) << 4) |
4983                             tohex((u_char)val[1]);
4984 #undef tohex
4985                         val += 2;
4986                 } else
4987                         *p++ = *val++;
4988         }
4989         len = p - buf;
4990         /* The string "-" is treated as the empty string. */
4991         if (!hexstr && len == 1 && buf[0] == '-') {
4992                 len = 0;
4993                 memset(buf, 0, *lenp);
4994         } else if (len < *lenp)
4995                 memset(p, 0, *lenp - len);
4996         *lenp = len;
4997         return val;
4998 }
4999
5000 static void
5001 print_string(const u_int8_t *buf, int len)
5002 {
5003         int i;
5004         int hasspc;
5005
5006         i = 0;
5007         hasspc = 0;
5008         for (; i < len; i++) {
5009                 if (!isprint(buf[i]) && buf[i] != '\0')
5010                         break;
5011                 if (isspace(buf[i]))
5012                         hasspc++;
5013         }
5014         if (i == len) {
5015                 if (hasspc || len == 0 || buf[0] == '\0')
5016                         printf("\"%.*s\"", len, buf);
5017                 else
5018                         printf("%.*s", len, buf);
5019         } else {
5020                 printf("0x");
5021                 for (i = 0; i < len; i++)
5022                         printf("%02x", buf[i]);
5023         }
5024 }
5025
5026 /*
5027  * Virtual AP cloning support.
5028  */
5029 static struct ieee80211_clone_params params = {
5030         .icp_opmode     = IEEE80211_M_STA,      /* default to station mode */
5031 };
5032
5033 static void
5034 wlan_create(int s, struct ifreq *ifr)
5035 {
5036         static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
5037
5038         if (params.icp_parent[0] == '\0')
5039                 errx(1, "must specify a parent device (wlandev) when creating "
5040                     "a wlan device");
5041         if (params.icp_opmode == IEEE80211_M_WDS &&
5042             memcmp(params.icp_bssid, zerobssid, sizeof(zerobssid)) == 0)
5043                 errx(1, "no bssid specified for WDS (use wlanbssid)");
5044         ifr->ifr_data = (caddr_t) &params;
5045         if (ioctl(s, SIOCIFCREATE2, ifr) < 0)
5046                 err(1, "SIOCIFCREATE2");
5047 }
5048
5049 static
5050 DECL_CMD_FUNC(set80211clone_wlandev, arg, d)
5051 {
5052         strlcpy(params.icp_parent, arg, IFNAMSIZ);
5053 }
5054
5055 static
5056 DECL_CMD_FUNC(set80211clone_wlanbssid, arg, d)
5057 {
5058         const struct ether_addr *ea;
5059
5060         ea = ether_aton(arg);
5061         if (ea == NULL)
5062                 errx(1, "%s: cannot parse bssid", arg);
5063         memcpy(params.icp_bssid, ea->octet, IEEE80211_ADDR_LEN);
5064 }
5065
5066 static
5067 DECL_CMD_FUNC(set80211clone_wlanaddr, arg, d)
5068 {
5069         const struct ether_addr *ea;
5070
5071         ea = ether_aton(arg);
5072         if (ea == NULL)
5073                 errx(1, "%s: cannot parse address", arg);
5074         memcpy(params.icp_macaddr, ea->octet, IEEE80211_ADDR_LEN);
5075         params.icp_flags |= IEEE80211_CLONE_MACADDR;
5076 }
5077
5078 static
5079 DECL_CMD_FUNC(set80211clone_wlanmode, arg, d)
5080 {
5081 #define iseq(a,b)       (strncasecmp(a,b,sizeof(b)-1) == 0)
5082         if (iseq(arg, "sta"))
5083                 params.icp_opmode = IEEE80211_M_STA;
5084         else if (iseq(arg, "ahdemo") || iseq(arg, "adhoc-demo"))
5085                 params.icp_opmode = IEEE80211_M_AHDEMO;
5086         else if (iseq(arg, "ibss") || iseq(arg, "adhoc"))
5087                 params.icp_opmode = IEEE80211_M_IBSS;
5088         else if (iseq(arg, "ap") || iseq(arg, "host"))
5089                 params.icp_opmode = IEEE80211_M_HOSTAP;
5090         else if (iseq(arg, "wds"))
5091                 params.icp_opmode = IEEE80211_M_WDS;
5092         else if (iseq(arg, "monitor"))
5093                 params.icp_opmode = IEEE80211_M_MONITOR;
5094         else if (iseq(arg, "tdma")) {
5095                 params.icp_opmode = IEEE80211_M_AHDEMO;
5096                 params.icp_flags |= IEEE80211_CLONE_TDMA;
5097         } else if (iseq(arg, "mesh") || iseq(arg, "mp")) /* mesh point */
5098                 params.icp_opmode = IEEE80211_M_MBSS;
5099         else
5100                 errx(1, "Don't know to create %s for %s", arg, name);
5101 #undef iseq
5102 }
5103
5104 static void
5105 set80211clone_beacons(const char *val, int d, int s, const struct afswtch *rafp)
5106 {
5107         /* NB: inverted sense */
5108         if (d)
5109                 params.icp_flags &= ~IEEE80211_CLONE_NOBEACONS;
5110         else
5111                 params.icp_flags |= IEEE80211_CLONE_NOBEACONS;
5112 }
5113
5114 static void
5115 set80211clone_bssid(const char *val, int d, int s, const struct afswtch *rafp)
5116 {
5117         if (d)
5118                 params.icp_flags |= IEEE80211_CLONE_BSSID;
5119         else
5120                 params.icp_flags &= ~IEEE80211_CLONE_BSSID;
5121 }
5122
5123 static void
5124 set80211clone_wdslegacy(const char *val, int d, int s, const struct afswtch *rafp)
5125 {
5126         if (d)
5127                 params.icp_flags |= IEEE80211_CLONE_WDSLEGACY;
5128         else
5129                 params.icp_flags &= ~IEEE80211_CLONE_WDSLEGACY;
5130 }
5131
5132 static struct cmd ieee80211_cmds[] = {
5133         DEF_CMD_ARG("ssid",             set80211ssid),
5134         DEF_CMD_ARG("nwid",             set80211ssid),
5135         DEF_CMD_ARG("meshid",           set80211meshid),
5136         DEF_CMD_ARG("stationname",      set80211stationname),
5137         DEF_CMD_ARG("station",          set80211stationname),   /* BSD/OS */
5138         DEF_CMD_ARG("channel",          set80211channel),
5139         DEF_CMD_ARG("authmode",         set80211authmode),
5140         DEF_CMD_ARG("powersavemode",    set80211powersavemode),
5141         DEF_CMD("powersave",    1,      set80211powersave),
5142         DEF_CMD("-powersave",   0,      set80211powersave),
5143         DEF_CMD_ARG("powersavesleep",   set80211powersavesleep),
5144         DEF_CMD_ARG("wepmode",          set80211wepmode),
5145         DEF_CMD("wep",          1,      set80211wep),
5146         DEF_CMD("-wep",         0,      set80211wep),
5147         DEF_CMD_ARG("deftxkey",         set80211weptxkey),
5148         DEF_CMD_ARG("weptxkey",         set80211weptxkey),
5149         DEF_CMD_ARG("wepkey",           set80211wepkey),
5150         DEF_CMD_ARG("nwkey",            set80211nwkey),         /* NetBSD */
5151         DEF_CMD("-nwkey",       0,      set80211wep),           /* NetBSD */
5152         DEF_CMD_ARG("rtsthreshold",     set80211rtsthreshold),
5153         DEF_CMD_ARG("protmode",         set80211protmode),
5154         DEF_CMD_ARG("txpower",          set80211txpower),
5155         DEF_CMD_ARG("roaming",          set80211roaming),
5156         DEF_CMD("wme",          1,      set80211wme),
5157         DEF_CMD("-wme",         0,      set80211wme),
5158         DEF_CMD("wmm",          1,      set80211wme),
5159         DEF_CMD("-wmm",         0,      set80211wme),
5160         DEF_CMD("hidessid",     1,      set80211hidessid),
5161         DEF_CMD("-hidessid",    0,      set80211hidessid),
5162         DEF_CMD("apbridge",     1,      set80211apbridge),
5163         DEF_CMD("-apbridge",    0,      set80211apbridge),
5164         DEF_CMD_ARG("chanlist",         set80211chanlist),
5165         DEF_CMD_ARG("bssid",            set80211bssid),
5166         DEF_CMD_ARG("ap",               set80211bssid),
5167         DEF_CMD("scan", 0,              set80211scan),
5168         DEF_CMD_ARG("list",             set80211list),
5169         DEF_CMD_ARG2("cwmin",           set80211cwmin),
5170         DEF_CMD_ARG2("cwmax",           set80211cwmax),
5171         DEF_CMD_ARG2("aifs",            set80211aifs),
5172         DEF_CMD_ARG2("txoplimit",       set80211txoplimit),
5173         DEF_CMD_ARG("acm",              set80211acm),
5174         DEF_CMD_ARG("-acm",             set80211noacm),
5175         DEF_CMD_ARG("ack",              set80211ackpolicy),
5176         DEF_CMD_ARG("-ack",             set80211noackpolicy),
5177         DEF_CMD_ARG2("bss:cwmin",       set80211bsscwmin),
5178         DEF_CMD_ARG2("bss:cwmax",       set80211bsscwmax),
5179         DEF_CMD_ARG2("bss:aifs",        set80211bssaifs),
5180         DEF_CMD_ARG2("bss:txoplimit",   set80211bsstxoplimit),
5181         DEF_CMD_ARG("dtimperiod",       set80211dtimperiod),
5182         DEF_CMD_ARG("bintval",          set80211bintval),
5183         DEF_CMD("mac:open",     IEEE80211_MACCMD_POLICY_OPEN,   set80211maccmd),
5184         DEF_CMD("mac:allow",    IEEE80211_MACCMD_POLICY_ALLOW,  set80211maccmd),
5185         DEF_CMD("mac:deny",     IEEE80211_MACCMD_POLICY_DENY,   set80211maccmd),
5186         DEF_CMD("mac:radius",   IEEE80211_MACCMD_POLICY_RADIUS, set80211maccmd),
5187         DEF_CMD("mac:flush",    IEEE80211_MACCMD_FLUSH,         set80211maccmd),
5188         DEF_CMD("mac:detach",   IEEE80211_MACCMD_DETACH,        set80211maccmd),
5189         DEF_CMD_ARG("mac:add",          set80211addmac),
5190         DEF_CMD_ARG("mac:del",          set80211delmac),
5191         DEF_CMD_ARG("mac:kick",         set80211kickmac),
5192         DEF_CMD("pureg",        1,      set80211pureg),
5193         DEF_CMD("-pureg",       0,      set80211pureg),
5194         DEF_CMD("ff",           1,      set80211fastframes),
5195         DEF_CMD("-ff",          0,      set80211fastframes),
5196         DEF_CMD("dturbo",       1,      set80211dturbo),
5197         DEF_CMD("-dturbo",      0,      set80211dturbo),
5198         DEF_CMD("bgscan",       1,      set80211bgscan),
5199         DEF_CMD("-bgscan",      0,      set80211bgscan),
5200         DEF_CMD_ARG("bgscanidle",       set80211bgscanidle),
5201         DEF_CMD_ARG("bgscanintvl",      set80211bgscanintvl),
5202         DEF_CMD_ARG("scanvalid",        set80211scanvalid),
5203         DEF_CMD("quiet",        1,      set80211quiet),
5204         DEF_CMD("-quiet",       0,      set80211quiet),
5205         DEF_CMD_ARG("quiet_count",      set80211quietcount),
5206         DEF_CMD_ARG("quiet_period",     set80211quietperiod),
5207         DEF_CMD_ARG("quiet_dur",        set80211quietduration),
5208         DEF_CMD_ARG("quiet_offset",     set80211quietoffset),
5209         DEF_CMD_ARG("roam:rssi",        set80211roamrssi),
5210         DEF_CMD_ARG("roam:rate",        set80211roamrate),
5211         DEF_CMD_ARG("mcastrate",        set80211mcastrate),
5212         DEF_CMD_ARG("ucastrate",        set80211ucastrate),
5213         DEF_CMD_ARG("mgtrate",          set80211mgtrate),
5214         DEF_CMD_ARG("mgmtrate",         set80211mgtrate),
5215         DEF_CMD_ARG("maxretry",         set80211maxretry),
5216         DEF_CMD_ARG("fragthreshold",    set80211fragthreshold),
5217         DEF_CMD("burst",        1,      set80211burst),
5218         DEF_CMD("-burst",       0,      set80211burst),
5219         DEF_CMD_ARG("bmiss",            set80211bmissthreshold),
5220         DEF_CMD_ARG("bmissthreshold",   set80211bmissthreshold),
5221         DEF_CMD("shortgi",      1,      set80211shortgi),
5222         DEF_CMD("-shortgi",     0,      set80211shortgi),
5223         DEF_CMD("ampdurx",      2,      set80211ampdu),
5224         DEF_CMD("-ampdurx",     -2,     set80211ampdu),
5225         DEF_CMD("ampdutx",      1,      set80211ampdu),
5226         DEF_CMD("-ampdutx",     -1,     set80211ampdu),
5227         DEF_CMD("ampdu",        3,      set80211ampdu),         /* NB: tx+rx */
5228         DEF_CMD("-ampdu",       -3,     set80211ampdu),
5229         DEF_CMD_ARG("ampdulimit",       set80211ampdulimit),
5230         DEF_CMD_ARG("ampdudensity",     set80211ampdudensity),
5231         DEF_CMD("amsdurx",      2,      set80211amsdu),
5232         DEF_CMD("-amsdurx",     -2,     set80211amsdu),
5233         DEF_CMD("amsdutx",      1,      set80211amsdu),
5234         DEF_CMD("-amsdutx",     -1,     set80211amsdu),
5235         DEF_CMD("amsdu",        3,      set80211amsdu),         /* NB: tx+rx */
5236         DEF_CMD("-amsdu",       -3,     set80211amsdu),
5237         DEF_CMD_ARG("amsdulimit",       set80211amsdulimit),
5238         DEF_CMD("puren",        1,      set80211puren),
5239         DEF_CMD("-puren",       0,      set80211puren),
5240         DEF_CMD("doth",         1,      set80211doth),
5241         DEF_CMD("-doth",        0,      set80211doth),
5242         DEF_CMD("dfs",          1,      set80211dfs),
5243         DEF_CMD("-dfs",         0,      set80211dfs),
5244         DEF_CMD("htcompat",     1,      set80211htcompat),
5245         DEF_CMD("-htcompat",    0,      set80211htcompat),
5246         DEF_CMD("dwds",         1,      set80211dwds),
5247         DEF_CMD("-dwds",        0,      set80211dwds),
5248         DEF_CMD("inact",        1,      set80211inact),
5249         DEF_CMD("-inact",       0,      set80211inact),
5250         DEF_CMD("tsn",          1,      set80211tsn),
5251         DEF_CMD("-tsn",         0,      set80211tsn),
5252         DEF_CMD_ARG("regdomain",        set80211regdomain),
5253         DEF_CMD_ARG("country",          set80211country),
5254         DEF_CMD("indoor",       'I',    set80211location),
5255         DEF_CMD("-indoor",      'O',    set80211location),
5256         DEF_CMD("outdoor",      'O',    set80211location),
5257         DEF_CMD("-outdoor",     'I',    set80211location),
5258         DEF_CMD("anywhere",     ' ',    set80211location),
5259         DEF_CMD("ecm",          1,      set80211ecm),
5260         DEF_CMD("-ecm",         0,      set80211ecm),
5261         DEF_CMD("dotd",         1,      set80211dotd),
5262         DEF_CMD("-dotd",        0,      set80211dotd),
5263         DEF_CMD_ARG("htprotmode",       set80211htprotmode),
5264         DEF_CMD("ht20",         1,      set80211htconf),
5265         DEF_CMD("-ht20",        0,      set80211htconf),
5266         DEF_CMD("ht40",         3,      set80211htconf),        /* NB: 20+40 */
5267         DEF_CMD("-ht40",        0,      set80211htconf),
5268         DEF_CMD("ht",           3,      set80211htconf),        /* NB: 20+40 */
5269         DEF_CMD("-ht",          0,      set80211htconf),
5270         DEF_CMD("rifs",         1,      set80211rifs),
5271         DEF_CMD("-rifs",        0,      set80211rifs),
5272         DEF_CMD("smps",         IEEE80211_HTCAP_SMPS_ENA,       set80211smps),
5273         DEF_CMD("smpsdyn",      IEEE80211_HTCAP_SMPS_DYNAMIC,   set80211smps),
5274         DEF_CMD("-smps",        IEEE80211_HTCAP_SMPS_OFF,       set80211smps),
5275         /* XXX for testing */
5276         DEF_CMD_ARG("chanswitch",       set80211chanswitch),
5277
5278         DEF_CMD_ARG("tdmaslot",         set80211tdmaslot),
5279         DEF_CMD_ARG("tdmaslotcnt",      set80211tdmaslotcnt),
5280         DEF_CMD_ARG("tdmaslotlen",      set80211tdmaslotlen),
5281         DEF_CMD_ARG("tdmabintval",      set80211tdmabintval),
5282
5283         DEF_CMD_ARG("meshttl",          set80211meshttl),
5284         DEF_CMD("meshforward",  1,      set80211meshforward),
5285         DEF_CMD("-meshforward", 0,      set80211meshforward),
5286         DEF_CMD("meshgate",     1,      set80211meshgate),
5287         DEF_CMD("-meshgate",    0,      set80211meshgate),
5288         DEF_CMD("meshpeering",  1,      set80211meshpeering),
5289         DEF_CMD("-meshpeering", 0,      set80211meshpeering),
5290         DEF_CMD_ARG("meshmetric",       set80211meshmetric),
5291         DEF_CMD_ARG("meshpath",         set80211meshpath),
5292         DEF_CMD("meshrt:flush", IEEE80211_MESH_RTCMD_FLUSH,     set80211meshrtcmd),
5293         DEF_CMD_ARG("meshrt:add",       set80211addmeshrt),
5294         DEF_CMD_ARG("meshrt:del",       set80211delmeshrt),
5295         DEF_CMD_ARG("hwmprootmode",     set80211hwmprootmode),
5296         DEF_CMD_ARG("hwmpmaxhops",      set80211hwmpmaxhops),
5297
5298         /* vap cloning support */
5299         DEF_CLONE_CMD_ARG("wlanaddr",   set80211clone_wlanaddr),
5300         DEF_CLONE_CMD_ARG("wlanbssid",  set80211clone_wlanbssid),
5301         DEF_CLONE_CMD_ARG("wlandev",    set80211clone_wlandev),
5302         DEF_CLONE_CMD_ARG("wlanmode",   set80211clone_wlanmode),
5303         DEF_CLONE_CMD("beacons", 1,     set80211clone_beacons),
5304         DEF_CLONE_CMD("-beacons", 0,    set80211clone_beacons),
5305         DEF_CLONE_CMD("bssid",  1,      set80211clone_bssid),
5306         DEF_CLONE_CMD("-bssid", 0,      set80211clone_bssid),
5307         DEF_CLONE_CMD("wdslegacy", 1,   set80211clone_wdslegacy),
5308         DEF_CLONE_CMD("-wdslegacy", 0,  set80211clone_wdslegacy),
5309 };
5310 static struct afswtch af_ieee80211 = {
5311         .af_name        = "af_ieee80211",
5312         .af_af          = AF_UNSPEC,
5313         .af_other_status = ieee80211_status,
5314 };
5315
5316 static __constructor void
5317 ieee80211_ctor(void)
5318 {
5319         int i;
5320
5321         for (i = 0; i < nitems(ieee80211_cmds);  i++)
5322                 cmd_register(&ieee80211_cmds[i]);
5323         af_register(&af_ieee80211);
5324         clone_setdefcallback("wlan", wlan_create);
5325 }