sbin/ifconfig/ifieee80211.c

   1 /*-
   2  * SPDX-License-Identifier: BSD-3-Clause
   3  *
   4  * Copyright 2001 The Aerospace Corporation.  All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. The name of The Aerospace Corporation may not be used to endorse or
  15  *    promote products derived from this software.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AEROSPACE CORPORATION ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AEROSPACE CORPORATION BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  * $FreeBSD$
  30  */
  31
  32 /*-
  33  * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc.
  34  * All rights reserved.
  35  *
  36  * This code is derived from software contributed to The NetBSD Foundation
  37  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
  38  * NASA Ames Research Center.
  39  *
  40  * Redistribution and use in source and binary forms, with or without
  41  * modification, are permitted provided that the following conditions
  42  * are met:
  43  * 1. Redistributions of source code must retain the above copyright
  44  *    notice, this list of conditions and the following disclaimer.
  45  * 2. Redistributions in binary form must reproduce the above copyright
  46  *    notice, this list of conditions and the following disclaimer in the
  47  *    documentation and/or other materials provided with the distribution.
  48  *
  49  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  50  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  51  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  52  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  53  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  54  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  55  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  56  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  57  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  58  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  59  * POSSIBILITY OF SUCH DAMAGE.
  60  */
  61
  62 #include <sys/param.h>
  63 #include <sys/ioctl.h>
  64 #include <sys/socket.h>
  65 #include <sys/sysctl.h>
  66 #include <sys/time.h>
  67
  68 #include <net/ethernet.h>
  69 #include <net/if.h>
  70 #include <net/if_dl.h>
  71 #include <net/if_types.h>
  72 #include <net/if_media.h>
  73 #include <net/route.h>
  74
  75 #include <net80211/ieee80211_ioctl.h>
  76 #include <net80211/ieee80211_freebsd.h>
  77 #include <net80211/ieee80211_superg.h>
  78 #include <net80211/ieee80211_tdma.h>
  79 #include <net80211/ieee80211_mesh.h>
  80
  81 #include <assert.h>
  82 #include <ctype.h>
  83 #include <err.h>
  84 #include <errno.h>
  85 #include <fcntl.h>
  86 #include <inttypes.h>
  87 #include <stdio.h>
  88 #include <stdlib.h>
  89 #include <string.h>
  90 #include <unistd.h>
  91 #include <stdarg.h>
  92 #include <stddef.h>             /* NB: for offsetof */
  93
  94 #include "ifconfig.h"
  95
  96 #include <lib80211/lib80211_regdomain.h>
  97 #include <lib80211/lib80211_ioctl.h>
  98
  99 #ifndef IEEE80211_FIXED_RATE_NONE
 100 #define IEEE80211_FIXED_RATE_NONE       0xff
 101 #endif
 102
 103 /* XXX need these publicly defined or similar */
 104 #ifndef IEEE80211_NODE_AUTH
 105 #define IEEE80211_NODE_AUTH     0x000001        /* authorized for data */
 106 #define IEEE80211_NODE_QOS      0x000002        /* QoS enabled */
 107 #define IEEE80211_NODE_ERP      0x000004        /* ERP enabled */
 108 #define IEEE80211_NODE_PWR_MGT  0x000010        /* power save mode enabled */
 109 #define IEEE80211_NODE_AREF     0x000020        /* authentication ref held */
 110 #define IEEE80211_NODE_HT       0x000040        /* HT enabled */
 111 #define IEEE80211_NODE_HTCOMPAT 0x000080        /* HT setup w/ vendor OUI's */
 112 #define IEEE80211_NODE_WPS      0x000100        /* WPS association */
 113 #define IEEE80211_NODE_TSN      0x000200        /* TSN association */
 114 #define IEEE80211_NODE_AMPDU_RX 0x000400        /* AMPDU rx enabled */
 115 #define IEEE80211_NODE_AMPDU_TX 0x000800        /* AMPDU tx enabled */
 116 #define IEEE80211_NODE_MIMO_PS  0x001000        /* MIMO power save enabled */
 117 #define IEEE80211_NODE_MIMO_RTS 0x002000        /* send RTS in MIMO PS */
 118 #define IEEE80211_NODE_RIFS     0x004000        /* RIFS enabled */
 119 #define IEEE80211_NODE_SGI20    0x008000        /* Short GI in HT20 enabled */
 120 #define IEEE80211_NODE_SGI40    0x010000        /* Short GI in HT40 enabled */
 121 #define IEEE80211_NODE_ASSOCID  0x020000        /* xmit requires associd */
 122 #define IEEE80211_NODE_AMSDU_RX 0x040000        /* AMSDU rx enabled */
 123 #define IEEE80211_NODE_AMSDU_TX 0x080000        /* AMSDU tx enabled */
 124 #define IEEE80211_NODE_VHT      0x100000        /* VHT enabled */
 125 #endif
 126
 127 #define MAXCHAN 1536            /* max 1.5K channels */
 128
 129 #define MAXCOL  78
 130 static  int col;
 131 static  char spacer;
 132
 133 static void LINE_INIT(char c);
 134 static void LINE_BREAK(void);
 135 static void LINE_CHECK(const char *fmt, ...);
 136
 137 static const char *modename[IEEE80211_MODE_MAX] = {
 138         [IEEE80211_MODE_AUTO]     = "auto",
 139         [IEEE80211_MODE_11A]      = "11a",
 140         [IEEE80211_MODE_11B]      = "11b",
 141         [IEEE80211_MODE_11G]      = "11g",
 142         [IEEE80211_MODE_FH]       = "fh",
 143         [IEEE80211_MODE_TURBO_A]  = "turboA",
 144         [IEEE80211_MODE_TURBO_G]  = "turboG",
 145         [IEEE80211_MODE_STURBO_A] = "sturbo",
 146         [IEEE80211_MODE_11NA]     = "11na",
 147         [IEEE80211_MODE_11NG]     = "11ng",
 148         [IEEE80211_MODE_HALF]     = "half",
 149         [IEEE80211_MODE_QUARTER]  = "quarter",
 150         [IEEE80211_MODE_VHT_2GHZ] = "11acg",
 151         [IEEE80211_MODE_VHT_5GHZ] = "11ac",
 152 };
 153
 154 static void set80211(int s, int type, int val, int len, void *data);
 155 static int get80211(int s, int type, void *data, int len);
 156 static int get80211len(int s, int type, void *data, int len, int *plen);
 157 static int get80211val(int s, int type, int *val);
 158 static const char *get_string(const char *val, const char *sep,
 159     u_int8_t *buf, int *lenp);
 160 static void print_string(const u_int8_t *buf, int len);
 161 static void print_regdomain(const struct ieee80211_regdomain *, int);
 162 static void print_channels(int, const struct ieee80211req_chaninfo *,
 163     int allchans, int verbose);
 164 static void regdomain_makechannels(struct ieee80211_regdomain_req *,
 165     const struct ieee80211_devcaps_req *);
 166 static const char *mesh_linkstate_string(uint8_t state);
 167
 168 static struct ieee80211req_chaninfo *chaninfo;
 169 static struct ieee80211_regdomain regdomain;
 170 static int gotregdomain = 0;
 171 static struct ieee80211_roamparams_req roamparams;
 172 static int gotroam = 0;
 173 static struct ieee80211_txparams_req txparams;
 174 static int gottxparams = 0;
 175 static struct ieee80211_channel curchan;
 176 static int gotcurchan = 0;
 177 static struct ifmediareq *ifmr;
 178 static int htconf = 0;
 179 static  int gothtconf = 0;
 180
 181 static void
 182 gethtconf(int s)
 183 {
 184         if (gothtconf)
 185                 return;
 186         if (get80211val(s, IEEE80211_IOC_HTCONF, &htconf) < 0)
 187                 warn("unable to get HT configuration information");
 188         gothtconf = 1;
 189 }
 190
 191 /* VHT */
 192 static int vhtconf = 0;
 193 static  int gotvhtconf = 0;
 194
 195 static void
 196 getvhtconf(int s)
 197 {
 198         if (gotvhtconf)
 199                 return;
 200         if (get80211val(s, IEEE80211_IOC_VHTCONF, &vhtconf) < 0)
 201                 warn("unable to get VHT configuration information");
 202         gotvhtconf = 1;
 203 }
 204
 205 /*
 206  * Collect channel info from the kernel.  We use this (mostly)
 207  * to handle mapping between frequency and IEEE channel number.
 208  */
 209 static void
 210 getchaninfo(int s)
 211 {
 212         if (chaninfo != NULL)
 213                 return;
 214         chaninfo = malloc(IEEE80211_CHANINFO_SIZE(MAXCHAN));
 215         if (chaninfo == NULL)
 216                 errx(1, "no space for channel list");
 217         if (get80211(s, IEEE80211_IOC_CHANINFO, chaninfo,
 218             IEEE80211_CHANINFO_SIZE(MAXCHAN)) < 0)
 219                 err(1, "unable to get channel information");
 220         ifmr = ifmedia_getstate(s);
 221         gethtconf(s);
 222         getvhtconf(s);
 223 }
 224
 225 static struct regdata *
 226 getregdata(void)
 227 {
 228         static struct regdata *rdp = NULL;
 229         if (rdp == NULL) {
 230                 rdp = lib80211_alloc_regdata();
 231                 if (rdp == NULL)
 232                         errx(-1, "missing or corrupted regdomain database");
 233         }
 234         return rdp;
 235 }
 236
 237 /*
 238  * Given the channel at index i with attributes from,
 239  * check if there is a channel with attributes to in
 240  * the channel table.  With suitable attributes this
 241  * allows the caller to look for promotion; e.g. from
 242  * 11b > 11g.
 243  */
 244 static int
 245 canpromote(int i, int from, int to)
 246 {
 247         const struct ieee80211_channel *fc = &chaninfo->ic_chans[i];
 248         u_int j;
 249
 250         if ((fc->ic_flags & from) != from)
 251                 return i;
 252         /* NB: quick check exploiting ordering of chans w/ same frequency */
 253         if (i+1 < chaninfo->ic_nchans &&
 254             chaninfo->ic_chans[i+1].ic_freq == fc->ic_freq &&
 255             (chaninfo->ic_chans[i+1].ic_flags & to) == to)
 256                 return i+1;
 257         /* brute force search in case channel list is not ordered */
 258         for (j = 0; j < chaninfo->ic_nchans; j++) {
 259                 const struct ieee80211_channel *tc = &chaninfo->ic_chans[j];
 260                 if (j != i &&
 261                     tc->ic_freq == fc->ic_freq && (tc->ic_flags & to) == to)
 262                 return j;
 263         }
 264         return i;
 265 }
 266
 267 /*
 268  * Handle channel promotion.  When a channel is specified with
 269  * only a frequency we want to promote it to the ``best'' channel
 270  * available.  The channel list has separate entries for 11b, 11g,
 271  * 11a, and 11n[ga] channels so specifying a frequency w/o any
 272  * attributes requires we upgrade, e.g. from 11b -> 11g.  This
 273  * gets complicated when the channel is specified on the same
 274  * command line with a media request that constrains the available
 275  * channe list (e.g. mode 11a); we want to honor that to avoid
 276  * confusing behaviour.
 277  */
 278 /*
 279  * XXX VHT
 280  */
 281 static int
 282 promote(int i)
 283 {
 284         /*
 285          * Query the current mode of the interface in case it's
 286          * constrained (e.g. to 11a).  We must do this carefully
 287          * as there may be a pending ifmedia request in which case
 288          * asking the kernel will give us the wrong answer.  This
 289          * is an unfortunate side-effect of the way ifconfig is
 290          * structure for modularity (yech).
 291          *
 292          * NB: ifmr is actually setup in getchaninfo (above); we
 293          *     assume it's called coincident with to this call so
 294          *     we have a ``current setting''; otherwise we must pass
 295          *     the socket descriptor down to here so we can make
 296          *     the ifmedia_getstate call ourselves.
 297          */
 298         int chanmode = ifmr != NULL ? IFM_MODE(ifmr->ifm_current) : IFM_AUTO;
 299
 300         /* when ambiguous promote to ``best'' */
 301         /* NB: we abitrarily pick HT40+ over HT40- */
 302         if (chanmode != IFM_IEEE80211_11B)
 303                 i = canpromote(i, IEEE80211_CHAN_B, IEEE80211_CHAN_G);
 304         if (chanmode != IFM_IEEE80211_11G && (htconf & 1)) {
 305                 i = canpromote(i, IEEE80211_CHAN_G,
 306                         IEEE80211_CHAN_G | IEEE80211_CHAN_HT20);
 307                 if (htconf & 2) {
 308                         i = canpromote(i, IEEE80211_CHAN_G,
 309                                 IEEE80211_CHAN_G | IEEE80211_CHAN_HT40D);
 310                         i = canpromote(i, IEEE80211_CHAN_G,
 311                                 IEEE80211_CHAN_G | IEEE80211_CHAN_HT40U);
 312                 }
 313         }
 314         if (chanmode != IFM_IEEE80211_11A && (htconf & 1)) {
 315                 i = canpromote(i, IEEE80211_CHAN_A,
 316                         IEEE80211_CHAN_A | IEEE80211_CHAN_HT20);
 317                 if (htconf & 2) {
 318                         i = canpromote(i, IEEE80211_CHAN_A,
 319                                 IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D);
 320                         i = canpromote(i, IEEE80211_CHAN_A,
 321                                 IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U);
 322                 }
 323         }
 324         return i;
 325 }
 326
 327 static void
 328 mapfreq(struct ieee80211_channel *chan, int freq, int flags)
 329 {
 330         u_int i;
 331
 332         for (i = 0; i < chaninfo->ic_nchans; i++) {
 333                 const struct ieee80211_channel *c = &chaninfo->ic_chans[i];
 334
 335                 if (c->ic_freq == freq && (c->ic_flags & flags) == flags) {
 336                         if (flags == 0) {
 337                                 /* when ambiguous promote to ``best'' */
 338                                 c = &chaninfo->ic_chans[promote(i)];
 339                         }
 340                         *chan = *c;
 341                         return;
 342                 }
 343         }
 344         errx(1, "unknown/undefined frequency %u/0x%x", freq, flags);
 345 }
 346
 347 static void
 348 mapchan(struct ieee80211_channel *chan, int ieee, int flags)
 349 {
 350         u_int i;
 351
 352         for (i = 0; i < chaninfo->ic_nchans; i++) {
 353                 const struct ieee80211_channel *c = &chaninfo->ic_chans[i];
 354
 355                 if (c->ic_ieee == ieee && (c->ic_flags & flags) == flags) {
 356                         if (flags == 0) {
 357                                 /* when ambiguous promote to ``best'' */
 358                                 c = &chaninfo->ic_chans[promote(i)];
 359                         }
 360                         *chan = *c;
 361                         return;
 362                 }
 363         }
 364         errx(1, "unknown/undefined channel number %d flags 0x%x", ieee, flags);
 365 }
 366
 367 static const struct ieee80211_channel *
 368 getcurchan(int s)
 369 {
 370         if (gotcurchan)
 371                 return &curchan;
 372         if (get80211(s, IEEE80211_IOC_CURCHAN, &curchan, sizeof(curchan)) < 0) {
 373                 int val;
 374                 /* fall back to legacy ioctl */
 375                 if (get80211val(s, IEEE80211_IOC_CHANNEL, &val) < 0)
 376                         err(-1, "cannot figure out current channel");
 377                 getchaninfo(s);
 378                 mapchan(&curchan, val, 0);
 379         }
 380         gotcurchan = 1;
 381         return &curchan;
 382 }
 383
 384 static enum ieee80211_phymode
 385 chan2mode(const struct ieee80211_channel *c)
 386 {
 387         if (IEEE80211_IS_CHAN_VHTA(c))
 388                 return IEEE80211_MODE_VHT_5GHZ;
 389         if (IEEE80211_IS_CHAN_VHTG(c))
 390                 return IEEE80211_MODE_VHT_2GHZ;
 391         if (IEEE80211_IS_CHAN_HTA(c))
 392                 return IEEE80211_MODE_11NA;
 393         if (IEEE80211_IS_CHAN_HTG(c))
 394                 return IEEE80211_MODE_11NG;
 395         if (IEEE80211_IS_CHAN_108A(c))
 396                 return IEEE80211_MODE_TURBO_A;
 397         if (IEEE80211_IS_CHAN_108G(c))
 398                 return IEEE80211_MODE_TURBO_G;
 399         if (IEEE80211_IS_CHAN_ST(c))
 400                 return IEEE80211_MODE_STURBO_A;
 401         if (IEEE80211_IS_CHAN_FHSS(c))
 402                 return IEEE80211_MODE_FH;
 403         if (IEEE80211_IS_CHAN_HALF(c))
 404                 return IEEE80211_MODE_HALF;
 405         if (IEEE80211_IS_CHAN_QUARTER(c))
 406                 return IEEE80211_MODE_QUARTER;
 407         if (IEEE80211_IS_CHAN_A(c))
 408                 return IEEE80211_MODE_11A;
 409         if (IEEE80211_IS_CHAN_ANYG(c))
 410                 return IEEE80211_MODE_11G;
 411         if (IEEE80211_IS_CHAN_B(c))
 412                 return IEEE80211_MODE_11B;
 413         return IEEE80211_MODE_AUTO;
 414 }
 415
 416 static void
 417 getroam(int s)
 418 {
 419         if (gotroam)
 420                 return;
 421         if (get80211(s, IEEE80211_IOC_ROAM,
 422             &roamparams, sizeof(roamparams)) < 0)
 423                 err(1, "unable to get roaming parameters");
 424         gotroam = 1;
 425 }
 426
 427 static void
 428 setroam_cb(int s, void *arg)
 429 {
 430         struct ieee80211_roamparams_req *roam = arg;
 431         set80211(s, IEEE80211_IOC_ROAM, 0, sizeof(*roam), roam);
 432 }
 433
 434 static void
 435 gettxparams(int s)
 436 {
 437         if (gottxparams)
 438                 return;
 439         if (get80211(s, IEEE80211_IOC_TXPARAMS,
 440             &txparams, sizeof(txparams)) < 0)
 441                 err(1, "unable to get transmit parameters");
 442         gottxparams = 1;
 443 }
 444
 445 static void
 446 settxparams_cb(int s, void *arg)
 447 {
 448         struct ieee80211_txparams_req *txp = arg;
 449         set80211(s, IEEE80211_IOC_TXPARAMS, 0, sizeof(*txp), txp);
 450 }
 451
 452 static void
 453 getregdomain(int s)
 454 {
 455         if (gotregdomain)
 456                 return;
 457         if (get80211(s, IEEE80211_IOC_REGDOMAIN,
 458             &regdomain, sizeof(regdomain)) < 0)
 459                 err(1, "unable to get regulatory domain info");
 460         gotregdomain = 1;
 461 }
 462
 463 static void
 464 getdevcaps(int s, struct ieee80211_devcaps_req *dc)
 465 {
 466         if (get80211(s, IEEE80211_IOC_DEVCAPS, dc,
 467             IEEE80211_DEVCAPS_SPACE(dc)) < 0)
 468                 err(1, "unable to get device capabilities");
 469 }
 470
 471 static void
 472 setregdomain_cb(int s, void *arg)
 473 {
 474         struct ieee80211_regdomain_req *req;
 475         struct ieee80211_regdomain *rd = arg;
 476         struct ieee80211_devcaps_req *dc;
 477         struct regdata *rdp = getregdata();
 478
 479         if (rd->country != NO_COUNTRY) {
 480                 const struct country *cc;
 481                 /*
 482                  * Check current country seting to make sure it's
 483                  * compatible with the new regdomain.  If not, then
 484                  * override it with any default country for this
 485                  * SKU.  If we cannot arrange a match, then abort.
 486                  */
 487                 cc = lib80211_country_findbycc(rdp, rd->country);
 488                 if (cc == NULL)
 489                         errx(1, "unknown ISO country code %d", rd->country);
 490                 if (cc->rd->sku != rd->regdomain) {
 491                         const struct regdomain *rp;
 492                         /*
 493                          * Check if country is incompatible with regdomain.
 494                          * To enable multiple regdomains for a country code
 495                          * we permit a mismatch between the regdomain and
 496                          * the country's associated regdomain when the
 497                          * regdomain is setup w/o a default country.  For
 498                          * example, US is bound to the FCC regdomain but
 499                          * we allow US to be combined with FCC3 because FCC3
 500                          * has not default country.  This allows bogus
 501                          * combinations like FCC3+DK which are resolved when
 502                          * constructing the channel list by deferring to the
 503                          * regdomain to construct the channel list.
 504                          */
 505                         rp = lib80211_regdomain_findbysku(rdp, rd->regdomain);
 506                         if (rp == NULL)
 507                                 errx(1, "country %s (%s) is not usable with "
 508                                     "regdomain %d", cc->isoname, cc->name,
 509                                     rd->regdomain);
 510                         else if (rp->cc != NULL && rp->cc != cc)
 511                                 errx(1, "country %s (%s) is not usable with "
 512                                    "regdomain %s", cc->isoname, cc->name,
 513                                    rp->name);
 514                 }
 515         }
 516         /*
 517          * Fetch the device capabilities and calculate the
 518          * full set of netbands for which we request a new
 519          * channel list be constructed.  Once that's done we
 520          * push the regdomain info + channel list to the kernel.
 521          */
 522         dc = malloc(IEEE80211_DEVCAPS_SIZE(MAXCHAN));
 523         if (dc == NULL)
 524                 errx(1, "no space for device capabilities");
 525         dc->dc_chaninfo.ic_nchans = MAXCHAN;
 526         getdevcaps(s, dc);
 527 #if 0
 528         if (verbose) {
 529                 printf("drivercaps: 0x%x\n", dc->dc_drivercaps);
 530                 printf("cryptocaps: 0x%x\n", dc->dc_cryptocaps);
 531                 printf("htcaps    : 0x%x\n", dc->dc_htcaps);
 532                 printf("vhtcaps   : 0x%x\n", dc->dc_vhtcaps);
 533 #if 0
 534                 memcpy(chaninfo, &dc->dc_chaninfo,
 535                     IEEE80211_CHANINFO_SPACE(&dc->dc_chaninfo));
 536                 print_channels(s, &dc->dc_chaninfo, 1/*allchans*/, 1/*verbose*/);
 537 #endif
 538         }
 539 #endif
 540         req = malloc(IEEE80211_REGDOMAIN_SIZE(dc->dc_chaninfo.ic_nchans));
 541         if (req == NULL)
 542                 errx(1, "no space for regdomain request");
 543         req->rd = *rd;
 544         regdomain_makechannels(req, dc);
 545         if (verbose) {
 546                 LINE_INIT(':');
 547                 print_regdomain(rd, 1/*verbose*/);
 548                 LINE_BREAK();
 549                 /* blech, reallocate channel list for new data */
 550                 if (chaninfo != NULL)
 551                         free(chaninfo);
 552                 chaninfo = malloc(IEEE80211_CHANINFO_SPACE(&req->chaninfo));
 553                 if (chaninfo == NULL)
 554                         errx(1, "no space for channel list");
 555                 memcpy(chaninfo, &req->chaninfo,
 556                     IEEE80211_CHANINFO_SPACE(&req->chaninfo));
 557                 print_channels(s, &req->chaninfo, 1/*allchans*/, 1/*verbose*/);
 558         }
 559         if (req->chaninfo.ic_nchans == 0)
 560                 errx(1, "no channels calculated");
 561         set80211(s, IEEE80211_IOC_REGDOMAIN, 0,
 562             IEEE80211_REGDOMAIN_SPACE(req), req);
 563         free(req);
 564         free(dc);
 565 }
 566
 567 static int
 568 ieee80211_mhz2ieee(int freq, int flags)
 569 {
 570         struct ieee80211_channel chan;
 571         mapfreq(&chan, freq, flags);
 572         return chan.ic_ieee;
 573 }
 574
 575 static int
 576 isanyarg(const char *arg)
 577 {
 578         return (strncmp(arg, "-", 1) == 0 ||
 579             strncasecmp(arg, "any", 3) == 0 || strncasecmp(arg, "off", 3) == 0);
 580 }
 581
 582 static void
 583 set80211ssid(const char *val, int d, int s, const struct afswtch *rafp)
 584 {
 585         int             ssid;
 586         int             len;
 587         u_int8_t        data[IEEE80211_NWID_LEN];
 588
 589         ssid = 0;
 590         len = strlen(val);
 591         if (len > 2 && isdigit((int)val[0]) && val[1] == ':') {
 592                 ssid = atoi(val)-1;
 593                 val += 2;
 594         }
 595
 596         bzero(data, sizeof(data));
 597         len = sizeof(data);
 598         if (get_string(val, NULL, data, &len) == NULL)
 599                 exit(1);
 600
 601         set80211(s, IEEE80211_IOC_SSID, ssid, len, data);
 602 }
 603
 604 static void
 605 set80211meshid(const char *val, int d, int s, const struct afswtch *rafp)
 606 {
 607         int             len;
 608         u_int8_t        data[IEEE80211_NWID_LEN];
 609
 610         memset(data, 0, sizeof(data));
 611         len = sizeof(data);
 612         if (get_string(val, NULL, data, &len) == NULL)
 613                 exit(1);
 614
 615         set80211(s, IEEE80211_IOC_MESH_ID, 0, len, data);
 616 }
 617
 618 static void
 619 set80211stationname(const char *val, int d, int s, const struct afswtch *rafp)
 620 {
 621         int                     len;
 622         u_int8_t                data[33];
 623
 624         bzero(data, sizeof(data));
 625         len = sizeof(data);
 626         get_string(val, NULL, data, &len);
 627
 628         set80211(s, IEEE80211_IOC_STATIONNAME, 0, len, data);
 629 }
 630
 631 /*
 632  * Parse a channel specification for attributes/flags.
 633  * The syntax is:
 634  *      freq/xx         channel width (5,10,20,40,40+,40-)
 635  *      freq:mode       channel mode (a,b,g,h,n,t,s,d)
 636  *
 637  * These can be combined in either order; e.g. 2437:ng/40.
 638  * Modes are case insensitive.
 639  *
 640  * The result is not validated here; it's assumed to be
 641  * checked against the channel table fetched from the kernel.
 642  */
 643 static int
 644 getchannelflags(const char *val, int freq)
 645 {
 646 #define _CHAN_HT        0x80000000
 647         const char *cp;
 648         int flags;
 649         int is_vht = 0;
 650
 651         flags = 0;
 652
 653         cp = strchr(val, ':');
 654         if (cp != NULL) {
 655                 for (cp++; isalpha((int) *cp); cp++) {
 656                         /* accept mixed case */
 657                         int c = *cp;
 658                         if (isupper(c))
 659                                 c = tolower(c);
 660                         switch (c) {
 661                         case 'a':               /* 802.11a */
 662                                 flags |= IEEE80211_CHAN_A;
 663                                 break;
 664                         case 'b':               /* 802.11b */
 665                                 flags |= IEEE80211_CHAN_B;
 666                                 break;
 667                         case 'g':               /* 802.11g */
 668                                 flags |= IEEE80211_CHAN_G;
 669                                 break;
 670                         case 'v':               /* vht: 802.11ac */
 671                                 is_vht = 1;
 672                                 /* Fallthrough */
 673                         case 'h':               /* ht = 802.11n */
 674                         case 'n':               /* 802.11n */
 675                                 flags |= _CHAN_HT;      /* NB: private */
 676                                 break;
 677                         case 'd':               /* dt = Atheros Dynamic Turbo */
 678                                 flags |= IEEE80211_CHAN_TURBO;
 679                                 break;
 680                         case 't':               /* ht, dt, st, t */
 681                                 /* dt and unadorned t specify Dynamic Turbo */
 682                                 if ((flags & (IEEE80211_CHAN_STURBO|_CHAN_HT)) == 0)
 683                                         flags |= IEEE80211_CHAN_TURBO;
 684                                 break;
 685                         case 's':               /* st = Atheros Static Turbo */
 686                                 flags |= IEEE80211_CHAN_STURBO;
 687                                 break;
 688                         default:
 689                                 errx(-1, "%s: Invalid channel attribute %c\n",
 690                                     val, *cp);
 691                         }
 692                 }
 693         }
 694         cp = strchr(val, '/');
 695         if (cp != NULL) {
 696                 char *ep;
 697                 u_long cw = strtoul(cp+1, &ep, 10);
 698
 699                 switch (cw) {
 700                 case 5:
 701                         flags |= IEEE80211_CHAN_QUARTER;
 702                         break;
 703                 case 10:
 704                         flags |= IEEE80211_CHAN_HALF;
 705                         break;
 706                 case 20:
 707                         /* NB: this may be removed below */
 708                         flags |= IEEE80211_CHAN_HT20;
 709                         break;
 710                 case 40:
 711                 case 80:
 712                 case 160:
 713                         /* Handle the 80/160 VHT flag */
 714                         if (cw == 80)
 715                                 flags |= IEEE80211_CHAN_VHT80;
 716                         else if (cw == 160)
 717                                 flags |= IEEE80211_CHAN_VHT160;
 718
 719                         /* Fallthrough */
 720                         if (ep != NULL && *ep == '+')
 721                                 flags |= IEEE80211_CHAN_HT40U;
 722                         else if (ep != NULL && *ep == '-')
 723                                 flags |= IEEE80211_CHAN_HT40D;
 724                         break;
 725                 default:
 726                         errx(-1, "%s: Invalid channel width\n", val);
 727                 }
 728         }
 729
 730         /*
 731          * Cleanup specifications.
 732          */
 733         if ((flags & _CHAN_HT) == 0) {
 734                 /*
 735                  * If user specified freq/20 or freq/40 quietly remove
 736                  * HT cw attributes depending on channel use.  To give
 737                  * an explicit 20/40 width for an HT channel you must
 738                  * indicate it is an HT channel since all HT channels
 739                  * are also usable for legacy operation; e.g. freq:n/40.
 740                  */
 741                 flags &= ~IEEE80211_CHAN_HT;
 742                 flags &= ~IEEE80211_CHAN_VHT;
 743         } else {
 744                 /*
 745                  * Remove private indicator that this is an HT channel
 746                  * and if no explicit channel width has been given
 747                  * provide the default settings.
 748                  */
 749                 flags &= ~_CHAN_HT;
 750                 if ((flags & IEEE80211_CHAN_HT) == 0) {
 751                         struct ieee80211_channel chan;
 752                         /*
 753                          * Consult the channel list to see if we can use
 754                          * HT40+ or HT40- (if both the map routines choose).
 755                          */
 756                         if (freq > 255)
 757                                 mapfreq(&chan, freq, 0);
 758                         else
 759                                 mapchan(&chan, freq, 0);
 760                         flags |= (chan.ic_flags & IEEE80211_CHAN_HT);
 761                 }
 762
 763                 /*
 764                  * If VHT is enabled, then also set the VHT flag and the
 765                  * relevant channel up/down.
 766                  */
 767                 if (is_vht && (flags & IEEE80211_CHAN_HT)) {
 768                         /*
 769                          * XXX yes, maybe we should just have VHT, and reuse
 770                          * HT20/HT40U/HT40D
 771                          */
 772                         if (flags & IEEE80211_CHAN_VHT80)
 773                                 ;
 774                         else if (flags & IEEE80211_CHAN_HT20)
 775                                 flags |= IEEE80211_CHAN_VHT20;
 776                         else if (flags & IEEE80211_CHAN_HT40U)
 777                                 flags |= IEEE80211_CHAN_VHT40U;
 778                         else if (flags & IEEE80211_CHAN_HT40D)
 779                                 flags |= IEEE80211_CHAN_VHT40D;
 780                 }
 781         }
 782         return flags;
 783 #undef _CHAN_HT
 784 }
 785
 786 static void
 787 getchannel(int s, struct ieee80211_channel *chan, const char *val)
 788 {
 789         int v, flags;
 790         char *eptr;
 791
 792         memset(chan, 0, sizeof(*chan));
 793         if (isanyarg(val)) {
 794                 chan->ic_freq = IEEE80211_CHAN_ANY;
 795                 return;
 796         }
 797         getchaninfo(s);
 798         errno = 0;
 799         v = strtol(val, &eptr, 10);
 800         if (val[0] == '\0' || val == eptr || errno == ERANGE ||
 801             /* channel may be suffixed with nothing, :flag, or /width */
 802             (eptr[0] != '\0' && eptr[0] != ':' && eptr[0] != '/'))
 803                 errx(1, "invalid channel specification%s",
 804                     errno == ERANGE ? " (out of range)" : "");
 805         flags = getchannelflags(val, v);
 806         if (v > 255) {          /* treat as frequency */
 807                 mapfreq(chan, v, flags);
 808         } else {
 809                 mapchan(chan, v, flags);
 810         }
 811 }
 812
 813 static void
 814 set80211channel(const char *val, int d, int s, const struct afswtch *rafp)
 815 {
 816         struct ieee80211_channel chan;
 817
 818         getchannel(s, &chan, val);
 819         set80211(s, IEEE80211_IOC_CURCHAN, 0, sizeof(chan), &chan);
 820 }
 821
 822 static void
 823 set80211chanswitch(const char *val, int d, int s, const struct afswtch *rafp)
 824 {
 825         struct ieee80211_chanswitch_req csr;
 826
 827         getchannel(s, &csr.csa_chan, val);
 828         csr.csa_mode = 1;
 829         csr.csa_count = 5;
 830         set80211(s, IEEE80211_IOC_CHANSWITCH, 0, sizeof(csr), &csr);
 831 }
 832
 833 static void
 834 set80211authmode(const char *val, int d, int s, const struct afswtch *rafp)
 835 {
 836         int     mode;
 837
 838         if (strcasecmp(val, "none") == 0) {
 839                 mode = IEEE80211_AUTH_NONE;
 840         } else if (strcasecmp(val, "open") == 0) {
 841                 mode = IEEE80211_AUTH_OPEN;
 842         } else if (strcasecmp(val, "shared") == 0) {
 843                 mode = IEEE80211_AUTH_SHARED;
 844         } else if (strcasecmp(val, "8021x") == 0) {
 845                 mode = IEEE80211_AUTH_8021X;
 846         } else if (strcasecmp(val, "wpa") == 0) {
 847                 mode = IEEE80211_AUTH_WPA;
 848         } else {
 849                 errx(1, "unknown authmode");
 850         }
 851
 852         set80211(s, IEEE80211_IOC_AUTHMODE, mode, 0, NULL);
 853 }
 854
 855 static void
 856 set80211powersavemode(const char *val, int d, int s, const struct afswtch *rafp)
 857 {
 858         int     mode;
 859
 860         if (strcasecmp(val, "off") == 0) {
 861                 mode = IEEE80211_POWERSAVE_OFF;
 862         } else if (strcasecmp(val, "on") == 0) {
 863                 mode = IEEE80211_POWERSAVE_ON;
 864         } else if (strcasecmp(val, "cam") == 0) {
 865                 mode = IEEE80211_POWERSAVE_CAM;
 866         } else if (strcasecmp(val, "psp") == 0) {
 867                 mode = IEEE80211_POWERSAVE_PSP;
 868         } else if (strcasecmp(val, "psp-cam") == 0) {
 869                 mode = IEEE80211_POWERSAVE_PSP_CAM;
 870         } else {
 871                 errx(1, "unknown powersavemode");
 872         }
 873
 874         set80211(s, IEEE80211_IOC_POWERSAVE, mode, 0, NULL);
 875 }
 876
 877 static void
 878 set80211powersave(const char *val, int d, int s, const struct afswtch *rafp)
 879 {
 880         if (d == 0)
 881                 set80211(s, IEEE80211_IOC_POWERSAVE, IEEE80211_POWERSAVE_OFF,
 882                     0, NULL);
 883         else
 884                 set80211(s, IEEE80211_IOC_POWERSAVE, IEEE80211_POWERSAVE_ON,
 885                     0, NULL);
 886 }
 887
 888 static void
 889 set80211powersavesleep(const char *val, int d, int s, const struct afswtch *rafp)
 890 {
 891         set80211(s, IEEE80211_IOC_POWERSAVESLEEP, atoi(val), 0, NULL);
 892 }
 893
 894 static void
 895 set80211wepmode(const char *val, int d, int s, const struct afswtch *rafp)
 896 {
 897         int     mode;
 898
 899         if (strcasecmp(val, "off") == 0) {
 900                 mode = IEEE80211_WEP_OFF;
 901         } else if (strcasecmp(val, "on") == 0) {
 902                 mode = IEEE80211_WEP_ON;
 903         } else if (strcasecmp(val, "mixed") == 0) {
 904                 mode = IEEE80211_WEP_MIXED;
 905         } else {
 906                 errx(1, "unknown wep mode");
 907         }
 908
 909         set80211(s, IEEE80211_IOC_WEP, mode, 0, NULL);
 910 }
 911
 912 static void
 913 set80211wep(const char *val, int d, int s, const struct afswtch *rafp)
 914 {
 915         set80211(s, IEEE80211_IOC_WEP, d, 0, NULL);
 916 }
 917
 918 static int
 919 isundefarg(const char *arg)
 920 {
 921         return (strcmp(arg, "-") == 0 || strncasecmp(arg, "undef", 5) == 0);
 922 }
 923
 924 static void
 925 set80211weptxkey(const char *val, int d, int s, const struct afswtch *rafp)
 926 {
 927         if (isundefarg(val))
 928                 set80211(s, IEEE80211_IOC_WEPTXKEY, IEEE80211_KEYIX_NONE, 0, NULL);
 929         else
 930                 set80211(s, IEEE80211_IOC_WEPTXKEY, atoi(val)-1, 0, NULL);
 931 }
 932
 933 static void
 934 set80211wepkey(const char *val, int d, int s, const struct afswtch *rafp)
 935 {
 936         int             key = 0;
 937         int             len;
 938         u_int8_t        data[IEEE80211_KEYBUF_SIZE];
 939
 940         if (isdigit((int)val[0]) && val[1] == ':') {
 941                 key = atoi(val)-1;
 942                 val += 2;
 943         }
 944
 945         bzero(data, sizeof(data));
 946         len = sizeof(data);
 947         get_string(val, NULL, data, &len);
 948
 949         set80211(s, IEEE80211_IOC_WEPKEY, key, len, data);
 950 }
 951
 952 /*
 953  * This function is purely a NetBSD compatibility interface.  The NetBSD
 954  * interface is too inflexible, but it's there so we'll support it since
 955  * it's not all that hard.
 956  */
 957 static void
 958 set80211nwkey(const char *val, int d, int s, const struct afswtch *rafp)
 959 {
 960         int             txkey;
 961         int             i, len;
 962         u_int8_t        data[IEEE80211_KEYBUF_SIZE];
 963
 964         set80211(s, IEEE80211_IOC_WEP, IEEE80211_WEP_ON, 0, NULL);
 965
 966         if (isdigit((int)val[0]) && val[1] == ':') {
 967                 txkey = val[0]-'0'-1;
 968                 val += 2;
 969
 970                 for (i = 0; i < 4; i++) {
 971                         bzero(data, sizeof(data));
 972                         len = sizeof(data);
 973                         val = get_string(val, ",", data, &len);
 974                         if (val == NULL)
 975                                 exit(1);
 976
 977                         set80211(s, IEEE80211_IOC_WEPKEY, i, len, data);
 978                 }
 979         } else {
 980                 bzero(data, sizeof(data));
 981                 len = sizeof(data);
 982                 get_string(val, NULL, data, &len);
 983                 txkey = 0;
 984
 985                 set80211(s, IEEE80211_IOC_WEPKEY, 0, len, data);
 986
 987                 bzero(data, sizeof(data));
 988                 for (i = 1; i < 4; i++)
 989                         set80211(s, IEEE80211_IOC_WEPKEY, i, 0, data);
 990         }
 991
 992         set80211(s, IEEE80211_IOC_WEPTXKEY, txkey, 0, NULL);
 993 }
 994
 995 static void
 996 set80211rtsthreshold(const char *val, int d, int s, const struct afswtch *rafp)
 997 {
 998         set80211(s, IEEE80211_IOC_RTSTHRESHOLD,
 999                 isundefarg(val) ? IEEE80211_RTS_MAX : atoi(val), 0, NULL);
1000 }
1001
1002 static void
1003 set80211protmode(const char *val, int d, int s, const struct afswtch *rafp)
1004 {
1005         int     mode;
1006
1007         if (strcasecmp(val, "off") == 0) {
1008                 mode = IEEE80211_PROTMODE_OFF;
1009         } else if (strcasecmp(val, "cts") == 0) {
1010                 mode = IEEE80211_PROTMODE_CTS;
1011         } else if (strncasecmp(val, "rtscts", 3) == 0) {
1012                 mode = IEEE80211_PROTMODE_RTSCTS;
1013         } else {
1014                 errx(1, "unknown protection mode");
1015         }
1016
1017         set80211(s, IEEE80211_IOC_PROTMODE, mode, 0, NULL);
1018 }
1019
1020 static void
1021 set80211htprotmode(const char *val, int d, int s, const struct afswtch *rafp)
1022 {
1023         int     mode;
1024
1025         if (strcasecmp(val, "off") == 0) {
1026                 mode = IEEE80211_PROTMODE_OFF;
1027         } else if (strncasecmp(val, "rts", 3) == 0) {
1028                 mode = IEEE80211_PROTMODE_RTSCTS;
1029         } else {
1030                 errx(1, "unknown protection mode");
1031         }
1032
1033         set80211(s, IEEE80211_IOC_HTPROTMODE, mode, 0, NULL);
1034 }
1035
1036 static void
1037 set80211txpower(const char *val, int d, int s, const struct afswtch *rafp)
1038 {
1039         double v = atof(val);
1040         int txpow;
1041
1042         txpow = (int) (2*v);
1043         if (txpow != 2*v)
1044                 errx(-1, "invalid tx power (must be .5 dBm units)");
1045         set80211(s, IEEE80211_IOC_TXPOWER, txpow, 0, NULL);
1046 }
1047
1048 #define IEEE80211_ROAMING_DEVICE        0
1049 #define IEEE80211_ROAMING_AUTO          1
1050 #define IEEE80211_ROAMING_MANUAL        2
1051
1052 static void
1053 set80211roaming(const char *val, int d, int s, const struct afswtch *rafp)
1054 {
1055         int mode;
1056
1057         if (strcasecmp(val, "device") == 0) {
1058                 mode = IEEE80211_ROAMING_DEVICE;
1059         } else if (strcasecmp(val, "auto") == 0) {
1060                 mode = IEEE80211_ROAMING_AUTO;
1061         } else if (strcasecmp(val, "manual") == 0) {
1062                 mode = IEEE80211_ROAMING_MANUAL;
1063         } else {
1064                 errx(1, "unknown roaming mode");
1065         }
1066         set80211(s, IEEE80211_IOC_ROAMING, mode, 0, NULL);
1067 }
1068
1069 static void
1070 set80211wme(const char *val, int d, int s, const struct afswtch *rafp)
1071 {
1072         set80211(s, IEEE80211_IOC_WME, d, 0, NULL);
1073 }
1074
1075 static void
1076 set80211hidessid(const char *val, int d, int s, const struct afswtch *rafp)
1077 {
1078         set80211(s, IEEE80211_IOC_HIDESSID, d, 0, NULL);
1079 }
1080
1081 static void
1082 set80211apbridge(const char *val, int d, int s, const struct afswtch *rafp)
1083 {
1084         set80211(s, IEEE80211_IOC_APBRIDGE, d, 0, NULL);
1085 }
1086
1087 static void
1088 set80211fastframes(const char *val, int d, int s, const struct afswtch *rafp)
1089 {
1090         set80211(s, IEEE80211_IOC_FF, d, 0, NULL);
1091 }
1092
1093 static void
1094 set80211dturbo(const char *val, int d, int s, const struct afswtch *rafp)
1095 {
1096         set80211(s, IEEE80211_IOC_TURBOP, d, 0, NULL);
1097 }
1098
1099 static void
1100 set80211chanlist(const char *val, int d, int s, const struct afswtch *rafp)
1101 {
1102         struct ieee80211req_chanlist chanlist;
1103         char *temp, *cp, *tp;
1104
1105         temp = malloc(strlen(val) + 1);
1106         if (temp == NULL)
1107                 errx(1, "malloc failed");
1108         strcpy(temp, val);
1109         memset(&chanlist, 0, sizeof(chanlist));
1110         cp = temp;
1111         for (;;) {
1112                 int first, last, f, c;
1113
1114                 tp = strchr(cp, ',');
1115                 if (tp != NULL)
1116                         *tp++ = '\0';
1117                 switch (sscanf(cp, "%u-%u", &first, &last)) {
1118                 case 1:
1119                         if (first > IEEE80211_CHAN_MAX)
1120                                 errx(-1, "channel %u out of range, max %u",
1121                                         first, IEEE80211_CHAN_MAX);
1122                         setbit(chanlist.ic_channels, first);
1123                         break;
1124                 case 2:
1125                         if (first > IEEE80211_CHAN_MAX)
1126                                 errx(-1, "channel %u out of range, max %u",
1127                                         first, IEEE80211_CHAN_MAX);
1128                         if (last > IEEE80211_CHAN_MAX)
1129                                 errx(-1, "channel %u out of range, max %u",
1130                                         last, IEEE80211_CHAN_MAX);
1131                         if (first > last)
1132                                 errx(-1, "void channel range, %u > %u",
1133                                         first, last);
1134                         for (f = first; f <= last; f++)
1135                                 setbit(chanlist.ic_channels, f);
1136                         break;
1137                 }
1138                 if (tp == NULL)
1139                         break;
1140                 c = *tp;
1141                 while (isspace(c))
1142                         tp++;
1143                 if (!isdigit(c))
1144                         break;
1145                 cp = tp;
1146         }
1147         set80211(s, IEEE80211_IOC_CHANLIST, 0, sizeof(chanlist), &chanlist);
1148         free(temp);
1149 }
1150
1151 static void
1152 set80211bssid(const char *val, int d, int s, const struct afswtch *rafp)
1153 {
1154
1155         if (!isanyarg(val)) {
1156                 char *temp;
1157                 struct sockaddr_dl sdl;
1158
1159                 temp = malloc(strlen(val) + 2); /* ':' and '\0' */
1160                 if (temp == NULL)
1161                         errx(1, "malloc failed");
1162                 temp[0] = ':';
1163                 strcpy(temp + 1, val);
1164                 sdl.sdl_len = sizeof(sdl);
1165                 link_addr(temp, &sdl);
1166                 free(temp);
1167                 if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
1168                         errx(1, "malformed link-level address");
1169                 set80211(s, IEEE80211_IOC_BSSID, 0,
1170                         IEEE80211_ADDR_LEN, LLADDR(&sdl));
1171         } else {
1172                 uint8_t zerobssid[IEEE80211_ADDR_LEN];
1173                 memset(zerobssid, 0, sizeof(zerobssid));
1174                 set80211(s, IEEE80211_IOC_BSSID, 0,
1175                         IEEE80211_ADDR_LEN, zerobssid);
1176         }
1177 }
1178
1179 static int
1180 getac(const char *ac)
1181 {
1182         if (strcasecmp(ac, "ac_be") == 0 || strcasecmp(ac, "be") == 0)
1183                 return WME_AC_BE;
1184         if (strcasecmp(ac, "ac_bk") == 0 || strcasecmp(ac, "bk") == 0)
1185                 return WME_AC_BK;
1186         if (strcasecmp(ac, "ac_vi") == 0 || strcasecmp(ac, "vi") == 0)
1187                 return WME_AC_VI;
1188         if (strcasecmp(ac, "ac_vo") == 0 || strcasecmp(ac, "vo") == 0)
1189                 return WME_AC_VO;
1190         errx(1, "unknown wme access class %s", ac);
1191 }
1192
1193 static
1194 DECL_CMD_FUNC2(set80211cwmin, ac, val)
1195 {
1196         set80211(s, IEEE80211_IOC_WME_CWMIN, atoi(val), getac(ac), NULL);
1197 }
1198
1199 static
1200 DECL_CMD_FUNC2(set80211cwmax, ac, val)
1201 {
1202         set80211(s, IEEE80211_IOC_WME_CWMAX, atoi(val), getac(ac), NULL);
1203 }
1204
1205 static
1206 DECL_CMD_FUNC2(set80211aifs, ac, val)
1207 {
1208         set80211(s, IEEE80211_IOC_WME_AIFS, atoi(val), getac(ac), NULL);
1209 }
1210
1211 static
1212 DECL_CMD_FUNC2(set80211txoplimit, ac, val)
1213 {
1214         set80211(s, IEEE80211_IOC_WME_TXOPLIMIT, atoi(val), getac(ac), NULL);
1215 }
1216
1217 static
1218 DECL_CMD_FUNC(set80211acm, ac, d)
1219 {
1220         set80211(s, IEEE80211_IOC_WME_ACM, 1, getac(ac), NULL);
1221 }
1222 static
1223 DECL_CMD_FUNC(set80211noacm, ac, d)
1224 {
1225         set80211(s, IEEE80211_IOC_WME_ACM, 0, getac(ac), NULL);
1226 }
1227
1228 static
1229 DECL_CMD_FUNC(set80211ackpolicy, ac, d)
1230 {
1231         set80211(s, IEEE80211_IOC_WME_ACKPOLICY, 1, getac(ac), NULL);
1232 }
1233 static
1234 DECL_CMD_FUNC(set80211noackpolicy, ac, d)
1235 {
1236         set80211(s, IEEE80211_IOC_WME_ACKPOLICY, 0, getac(ac), NULL);
1237 }
1238
1239 static
1240 DECL_CMD_FUNC2(set80211bsscwmin, ac, val)
1241 {
1242         set80211(s, IEEE80211_IOC_WME_CWMIN, atoi(val),
1243                 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
1244 }
1245
1246 static
1247 DECL_CMD_FUNC2(set80211bsscwmax, ac, val)
1248 {
1249         set80211(s, IEEE80211_IOC_WME_CWMAX, atoi(val),
1250                 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
1251 }
1252
1253 static
1254 DECL_CMD_FUNC2(set80211bssaifs, ac, val)
1255 {
1256         set80211(s, IEEE80211_IOC_WME_AIFS, atoi(val),
1257                 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
1258 }
1259
1260 static
1261 DECL_CMD_FUNC2(set80211bsstxoplimit, ac, val)
1262 {
1263         set80211(s, IEEE80211_IOC_WME_TXOPLIMIT, atoi(val),
1264                 getac(ac)|IEEE80211_WMEPARAM_BSS, NULL);
1265 }
1266
1267 static
1268 DECL_CMD_FUNC(set80211dtimperiod, val, d)
1269 {
1270         set80211(s, IEEE80211_IOC_DTIM_PERIOD, atoi(val), 0, NULL);
1271 }
1272
1273 static
1274 DECL_CMD_FUNC(set80211bintval, val, d)
1275 {
1276         set80211(s, IEEE80211_IOC_BEACON_INTERVAL, atoi(val), 0, NULL);
1277 }
1278
1279 static void
1280 set80211macmac(int s, int op, const char *val)
1281 {
1282         char *temp;
1283         struct sockaddr_dl sdl;
1284
1285         temp = malloc(strlen(val) + 2); /* ':' and '\0' */
1286         if (temp == NULL)
1287                 errx(1, "malloc failed");
1288         temp[0] = ':';
1289         strcpy(temp + 1, val);
1290         sdl.sdl_len = sizeof(sdl);
1291         link_addr(temp, &sdl);
1292         free(temp);
1293         if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
1294                 errx(1, "malformed link-level address");
1295         set80211(s, op, 0, IEEE80211_ADDR_LEN, LLADDR(&sdl));
1296 }
1297
1298 static
1299 DECL_CMD_FUNC(set80211addmac, val, d)
1300 {
1301         set80211macmac(s, IEEE80211_IOC_ADDMAC, val);
1302 }
1303
1304 static
1305 DECL_CMD_FUNC(set80211delmac, val, d)
1306 {
1307         set80211macmac(s, IEEE80211_IOC_DELMAC, val);
1308 }
1309
1310 static
1311 DECL_CMD_FUNC(set80211kickmac, val, d)
1312 {
1313         char *temp;
1314         struct sockaddr_dl sdl;
1315         struct ieee80211req_mlme mlme;
1316
1317         temp = malloc(strlen(val) + 2); /* ':' and '\0' */
1318         if (temp == NULL)
1319                 errx(1, "malloc failed");
1320         temp[0] = ':';
1321         strcpy(temp + 1, val);
1322         sdl.sdl_len = sizeof(sdl);
1323         link_addr(temp, &sdl);
1324         free(temp);
1325         if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
1326                 errx(1, "malformed link-level address");
1327         memset(&mlme, 0, sizeof(mlme));
1328         mlme.im_op = IEEE80211_MLME_DEAUTH;
1329         mlme.im_reason = IEEE80211_REASON_AUTH_EXPIRE;
1330         memcpy(mlme.im_macaddr, LLADDR(&sdl), IEEE80211_ADDR_LEN);
1331         set80211(s, IEEE80211_IOC_MLME, 0, sizeof(mlme), &mlme);
1332 }
1333
1334 static
1335 DECL_CMD_FUNC(set80211maccmd, val, d)
1336 {
1337         set80211(s, IEEE80211_IOC_MACCMD, d, 0, NULL);
1338 }
1339
1340 static void
1341 set80211meshrtmac(int s, int req, const char *val)
1342 {
1343         char *temp;
1344         struct sockaddr_dl sdl;
1345
1346         temp = malloc(strlen(val) + 2); /* ':' and '\0' */
1347         if (temp == NULL)
1348                 errx(1, "malloc failed");
1349         temp[0] = ':';
1350         strcpy(temp + 1, val);
1351         sdl.sdl_len = sizeof(sdl);
1352         link_addr(temp, &sdl);
1353         free(temp);
1354         if (sdl.sdl_alen != IEEE80211_ADDR_LEN)
1355                 errx(1, "malformed link-level address");
1356         set80211(s, IEEE80211_IOC_MESH_RTCMD, req,
1357             IEEE80211_ADDR_LEN, LLADDR(&sdl));
1358 }
1359
1360 static
1361 DECL_CMD_FUNC(set80211addmeshrt, val, d)
1362 {
1363         set80211meshrtmac(s, IEEE80211_MESH_RTCMD_ADD, val);
1364 }
1365
1366 static
1367 DECL_CMD_FUNC(set80211delmeshrt, val, d)
1368 {
1369         set80211meshrtmac(s, IEEE80211_MESH_RTCMD_DELETE, val);
1370 }
1371
1372 static
1373 DECL_CMD_FUNC(set80211meshrtcmd, val, d)
1374 {
1375         set80211(s, IEEE80211_IOC_MESH_RTCMD, d, 0, NULL);
1376 }
1377
1378 static
1379 DECL_CMD_FUNC(set80211hwmprootmode, val, d)
1380 {
1381         int mode;
1382
1383         if (strcasecmp(val, "normal") == 0)
1384                 mode = IEEE80211_HWMP_ROOTMODE_NORMAL;
1385         else if (strcasecmp(val, "proactive") == 0)
1386                 mode = IEEE80211_HWMP_ROOTMODE_PROACTIVE;
1387         else if (strcasecmp(val, "rann") == 0)
1388                 mode = IEEE80211_HWMP_ROOTMODE_RANN;
1389         else
1390                 mode = IEEE80211_HWMP_ROOTMODE_DISABLED;
1391         set80211(s, IEEE80211_IOC_HWMP_ROOTMODE, mode, 0, NULL);
1392 }
1393
1394 static
1395 DECL_CMD_FUNC(set80211hwmpmaxhops, val, d)
1396 {
1397         set80211(s, IEEE80211_IOC_HWMP_MAXHOPS, atoi(val), 0, NULL);
1398 }
1399
1400 static void
1401 set80211pureg(const char *val, int d, int s, const struct afswtch *rafp)
1402 {
1403         set80211(s, IEEE80211_IOC_PUREG, d, 0, NULL);
1404 }
1405
1406 static void
1407 set80211quiet(const char *val, int d, int s, const struct afswtch *rafp)
1408 {
1409         set80211(s, IEEE80211_IOC_QUIET, d, 0, NULL);
1410 }
1411
1412 static
1413 DECL_CMD_FUNC(set80211quietperiod, val, d)
1414 {
1415         set80211(s, IEEE80211_IOC_QUIET_PERIOD, atoi(val), 0, NULL);
1416 }
1417
1418 static
1419 DECL_CMD_FUNC(set80211quietcount, val, d)
1420 {
1421         set80211(s, IEEE80211_IOC_QUIET_COUNT, atoi(val), 0, NULL);
1422 }
1423
1424 static
1425 DECL_CMD_FUNC(set80211quietduration, val, d)
1426 {
1427         set80211(s, IEEE80211_IOC_QUIET_DUR, atoi(val), 0, NULL);
1428 }
1429
1430 static
1431 DECL_CMD_FUNC(set80211quietoffset, val, d)
1432 {
1433         set80211(s, IEEE80211_IOC_QUIET_OFFSET, atoi(val), 0, NULL);
1434 }
1435
1436 static void
1437 set80211bgscan(const char *val, int d, int s, const struct afswtch *rafp)
1438 {
1439         set80211(s, IEEE80211_IOC_BGSCAN, d, 0, NULL);
1440 }
1441
1442 static
1443 DECL_CMD_FUNC(set80211bgscanidle, val, d)
1444 {
1445         set80211(s, IEEE80211_IOC_BGSCAN_IDLE, atoi(val), 0, NULL);
1446 }
1447
1448 static
1449 DECL_CMD_FUNC(set80211bgscanintvl, val, d)
1450 {
1451         set80211(s, IEEE80211_IOC_BGSCAN_INTERVAL, atoi(val), 0, NULL);
1452 }
1453
1454 static
1455 DECL_CMD_FUNC(set80211scanvalid, val, d)
1456 {
1457         set80211(s, IEEE80211_IOC_SCANVALID, atoi(val), 0, NULL);
1458 }
1459
1460 /*
1461  * Parse an optional trailing specification of which netbands
1462  * to apply a parameter to.  This is basically the same syntax
1463  * as used for channels but you can concatenate to specify
1464  * multiple.  For example:
1465  *      14:abg          apply to 11a, 11b, and 11g
1466  *      6:ht            apply to 11na and 11ng
1467  * We don't make a big effort to catch silly things; this is
1468  * really a convenience mechanism.
1469  */
1470 static int
1471 getmodeflags(const char *val)
1472 {
1473         const char *cp;
1474         int flags;
1475
1476         flags = 0;
1477
1478         cp = strchr(val, ':');
1479         if (cp != NULL) {
1480                 for (cp++; isalpha((int) *cp); cp++) {
1481                         /* accept mixed case */
1482                         int c = *cp;
1483                         if (isupper(c))
1484                                 c = tolower(c);
1485                         switch (c) {
1486                         case 'a':               /* 802.11a */
1487                                 flags |= IEEE80211_CHAN_A;
1488                                 break;
1489                         case 'b':               /* 802.11b */
1490                                 flags |= IEEE80211_CHAN_B;
1491                                 break;
1492                         case 'g':               /* 802.11g */
1493                                 flags |= IEEE80211_CHAN_G;
1494                                 break;
1495                         case 'n':               /* 802.11n */
1496                                 flags |= IEEE80211_CHAN_HT;
1497                                 break;
1498                         case 'd':               /* dt = Atheros Dynamic Turbo */
1499                                 flags |= IEEE80211_CHAN_TURBO;
1500                                 break;
1501                         case 't':               /* ht, dt, st, t */
1502                                 /* dt and unadorned t specify Dynamic Turbo */
1503                                 if ((flags & (IEEE80211_CHAN_STURBO|IEEE80211_CHAN_HT)) == 0)
1504                                         flags |= IEEE80211_CHAN_TURBO;
1505                                 break;
1506                         case 's':               /* st = Atheros Static Turbo */
1507                                 flags |= IEEE80211_CHAN_STURBO;
1508                                 break;
1509                         case 'h':               /* 1/2-width channels */
1510                                 flags |= IEEE80211_CHAN_HALF;
1511                                 break;
1512                         case 'q':               /* 1/4-width channels */
1513                                 flags |= IEEE80211_CHAN_QUARTER;
1514                                 break;
1515                         case 'v':
1516                                 /* XXX set HT too? */
1517                                 flags |= IEEE80211_CHAN_VHT;
1518                                 break;
1519                         default:
1520                                 errx(-1, "%s: Invalid mode attribute %c\n",
1521                                     val, *cp);
1522                         }
1523                 }
1524         }
1525         return flags;
1526 }
1527
1528 #define IEEE80211_CHAN_HTA      (IEEE80211_CHAN_HT|IEEE80211_CHAN_5GHZ)
1529 #define IEEE80211_CHAN_HTG      (IEEE80211_CHAN_HT|IEEE80211_CHAN_2GHZ)
1530
1531 #define _APPLY(_flags, _base, _param, _v) do {                          \
1532     if (_flags & IEEE80211_CHAN_HT) {                                   \
1533             if ((_flags & (IEEE80211_CHAN_5GHZ|IEEE80211_CHAN_2GHZ)) == 0) {\
1534                     _base.params[IEEE80211_MODE_11NA]._param = _v;      \
1535                     _base.params[IEEE80211_MODE_11NG]._param = _v;      \
1536             } else if (_flags & IEEE80211_CHAN_5GHZ)                    \
1537                     _base.params[IEEE80211_MODE_11NA]._param = _v;      \
1538             else                                                        \
1539                     _base.params[IEEE80211_MODE_11NG]._param = _v;      \
1540     }                                                                   \
1541     if (_flags & IEEE80211_CHAN_TURBO) {                                \
1542             if ((_flags & (IEEE80211_CHAN_5GHZ|IEEE80211_CHAN_2GHZ)) == 0) {\
1543                     _base.params[IEEE80211_MODE_TURBO_A]._param = _v;   \
1544                     _base.params[IEEE80211_MODE_TURBO_G]._param = _v;   \
1545             } else if (_flags & IEEE80211_CHAN_5GHZ)                    \
1546                     _base.params[IEEE80211_MODE_TURBO_A]._param = _v;   \
1547             else                                                        \
1548                     _base.params[IEEE80211_MODE_TURBO_G]._param = _v;   \
1549     }                                                                   \
1550     if (_flags & IEEE80211_CHAN_STURBO)                                 \
1551             _base.params[IEEE80211_MODE_STURBO_A]._param = _v;          \
1552     if ((_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A)                \
1553             _base.params[IEEE80211_MODE_11A]._param = _v;               \
1554     if ((_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)                \
1555             _base.params[IEEE80211_MODE_11G]._param = _v;               \
1556     if ((_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B)                \
1557             _base.params[IEEE80211_MODE_11B]._param = _v;               \
1558     if (_flags & IEEE80211_CHAN_HALF)                                   \
1559             _base.params[IEEE80211_MODE_HALF]._param = _v;              \
1560     if (_flags & IEEE80211_CHAN_QUARTER)                                \
1561             _base.params[IEEE80211_MODE_QUARTER]._param = _v;           \
1562 } while (0)
1563 #define _APPLY1(_flags, _base, _param, _v) do {                         \
1564     if (_flags & IEEE80211_CHAN_HT) {                                   \
1565             if (_flags & IEEE80211_CHAN_5GHZ)                           \
1566                     _base.params[IEEE80211_MODE_11NA]._param = _v;      \
1567             else                                                        \
1568                     _base.params[IEEE80211_MODE_11NG]._param = _v;      \
1569     } else if ((_flags & IEEE80211_CHAN_108A) == IEEE80211_CHAN_108A)   \
1570             _base.params[IEEE80211_MODE_TURBO_A]._param = _v;           \
1571     else if ((_flags & IEEE80211_CHAN_108G) == IEEE80211_CHAN_108G)     \
1572             _base.params[IEEE80211_MODE_TURBO_G]._param = _v;           \
1573     else if ((_flags & IEEE80211_CHAN_ST) == IEEE80211_CHAN_ST)         \
1574             _base.params[IEEE80211_MODE_STURBO_A]._param = _v;          \
1575     else if (_flags & IEEE80211_CHAN_HALF)                              \
1576             _base.params[IEEE80211_MODE_HALF]._param = _v;              \
1577     else if (_flags & IEEE80211_CHAN_QUARTER)                           \
1578             _base.params[IEEE80211_MODE_QUARTER]._param = _v;           \
1579     else if ((_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A)           \
1580             _base.params[IEEE80211_MODE_11A]._param = _v;               \
1581     else if ((_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)           \
1582             _base.params[IEEE80211_MODE_11G]._param = _v;               \
1583     else if ((_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B)           \
1584             _base.params[IEEE80211_MODE_11B]._param = _v;               \
1585 } while (0)
1586 #define _APPLY_RATE(_flags, _base, _param, _v) do {                     \
1587     if (_flags & IEEE80211_CHAN_HT) {                                   \
1588         (_v) = (_v / 2) | IEEE80211_RATE_MCS;                           \
1589     }                                                                   \
1590     _APPLY(_flags, _base, _param, _v);                                  \
1591 } while (0)
1592 #define _APPLY_RATE1(_flags, _base, _param, _v) do {                    \
1593     if (_flags & IEEE80211_CHAN_HT) {                                   \
1594         (_v) = (_v / 2) | IEEE80211_RATE_MCS;                           \
1595     }                                                                   \
1596     _APPLY1(_flags, _base, _param, _v);                                 \
1597 } while (0)
1598
1599 static
1600 DECL_CMD_FUNC(set80211roamrssi, val, d)
1601 {
1602         double v = atof(val);
1603         int rssi, flags;
1604
1605         rssi = (int) (2*v);
1606         if (rssi != 2*v)
1607                 errx(-1, "invalid rssi (must be .5 dBm units)");
1608         flags = getmodeflags(val);
1609         getroam(s);
1610         if (flags == 0) {               /* NB: no flags => current channel */
1611                 flags = getcurchan(s)->ic_flags;
1612                 _APPLY1(flags, roamparams, rssi, rssi);
1613         } else
1614                 _APPLY(flags, roamparams, rssi, rssi);
1615         callback_register(setroam_cb, &roamparams);
1616 }
1617
1618 static int
1619 getrate(const char *val, const char *tag)
1620 {
1621         double v = atof(val);
1622         int rate;
1623
1624         rate = (int) (2*v);
1625         if (rate != 2*v)
1626                 errx(-1, "invalid %s rate (must be .5 Mb/s units)", tag);
1627         return rate;            /* NB: returns 2x the specified value */
1628 }
1629
1630 static
1631 DECL_CMD_FUNC(set80211roamrate, val, d)
1632 {
1633         int rate, flags;
1634
1635         rate = getrate(val, "roam");
1636         flags = getmodeflags(val);
1637         getroam(s);
1638         if (flags == 0) {               /* NB: no flags => current channel */
1639                 flags = getcurchan(s)->ic_flags;
1640                 _APPLY_RATE1(flags, roamparams, rate, rate);
1641         } else
1642                 _APPLY_RATE(flags, roamparams, rate, rate);
1643         callback_register(setroam_cb, &roamparams);
1644 }
1645
1646 static
1647 DECL_CMD_FUNC(set80211mcastrate, val, d)
1648 {
1649         int rate, flags;
1650
1651         rate = getrate(val, "mcast");
1652         flags = getmodeflags(val);
1653         gettxparams(s);
1654         if (flags == 0) {               /* NB: no flags => current channel */
1655                 flags = getcurchan(s)->ic_flags;
1656                 _APPLY_RATE1(flags, txparams, mcastrate, rate);
1657         } else
1658                 _APPLY_RATE(flags, txparams, mcastrate, rate);
1659         callback_register(settxparams_cb, &txparams);
1660 }
1661
1662 static
1663 DECL_CMD_FUNC(set80211mgtrate, val, d)
1664 {
1665         int rate, flags;
1666
1667         rate = getrate(val, "mgmt");
1668         flags = getmodeflags(val);
1669         gettxparams(s);
1670         if (flags == 0) {               /* NB: no flags => current channel */
1671                 flags = getcurchan(s)->ic_flags;
1672                 _APPLY_RATE1(flags, txparams, mgmtrate, rate);
1673         } else
1674                 _APPLY_RATE(flags, txparams, mgmtrate, rate);
1675         callback_register(settxparams_cb, &txparams);
1676 }
1677
1678 static
1679 DECL_CMD_FUNC(set80211ucastrate, val, d)
1680 {
1681         int flags;
1682
1683         gettxparams(s);
1684         flags = getmodeflags(val);
1685         if (isanyarg(val)) {
1686                 if (flags == 0) {       /* NB: no flags => current channel */
1687                         flags = getcurchan(s)->ic_flags;
1688                         _APPLY1(flags, txparams, ucastrate,
1689                             IEEE80211_FIXED_RATE_NONE);
1690                 } else
1691                         _APPLY(flags, txparams, ucastrate,
1692                             IEEE80211_FIXED_RATE_NONE);
1693         } else {
1694                 int rate = getrate(val, "ucast");
1695                 if (flags == 0) {       /* NB: no flags => current channel */
1696                         flags = getcurchan(s)->ic_flags;
1697                         _APPLY_RATE1(flags, txparams, ucastrate, rate);
1698                 } else
1699                         _APPLY_RATE(flags, txparams, ucastrate, rate);
1700         }
1701         callback_register(settxparams_cb, &txparams);
1702 }
1703
1704 static
1705 DECL_CMD_FUNC(set80211maxretry, val, d)
1706 {
1707         int v = atoi(val), flags;
1708
1709         flags = getmodeflags(val);
1710         gettxparams(s);
1711         if (flags == 0) {               /* NB: no flags => current channel */
1712                 flags = getcurchan(s)->ic_flags;
1713                 _APPLY1(flags, txparams, maxretry, v);
1714         } else
1715                 _APPLY(flags, txparams, maxretry, v);
1716         callback_register(settxparams_cb, &txparams);
1717 }
1718 #undef _APPLY_RATE
1719 #undef _APPLY
1720 #undef IEEE80211_CHAN_HTA
1721 #undef IEEE80211_CHAN_HTG
1722
1723 static
1724 DECL_CMD_FUNC(set80211fragthreshold, val, d)
1725 {
1726         set80211(s, IEEE80211_IOC_FRAGTHRESHOLD,
1727                 isundefarg(val) ? IEEE80211_FRAG_MAX : atoi(val), 0, NULL);
1728 }
1729
1730 static
1731 DECL_CMD_FUNC(set80211bmissthreshold, val, d)
1732 {
1733         set80211(s, IEEE80211_IOC_BMISSTHRESHOLD,
1734                 isundefarg(val) ? IEEE80211_HWBMISS_MAX : atoi(val), 0, NULL);
1735 }
1736
1737 static void
1738 set80211burst(const char *val, int d, int s, const struct afswtch *rafp)
1739 {
1740         set80211(s, IEEE80211_IOC_BURST, d, 0, NULL);
1741 }
1742
1743 static void
1744 set80211doth(const char *val, int d, int s, const struct afswtch *rafp)
1745 {
1746         set80211(s, IEEE80211_IOC_DOTH, d, 0, NULL);
1747 }
1748
1749 static void
1750 set80211dfs(const char *val, int d, int s, const struct afswtch *rafp)
1751 {
1752         set80211(s, IEEE80211_IOC_DFS, d, 0, NULL);
1753 }
1754
1755 static void
1756 set80211shortgi(const char *val, int d, int s, const struct afswtch *rafp)
1757 {
1758         set80211(s, IEEE80211_IOC_SHORTGI,
1759                 d ? (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) : 0,
1760                 0, NULL);
1761 }
1762
1763 /* XXX 11ac density/size is different */
1764 static void
1765 set80211ampdu(const char *val, int d, int s, const struct afswtch *rafp)
1766 {
1767         int ampdu;
1768
1769         if (get80211val(s, IEEE80211_IOC_AMPDU, &ampdu) < 0)
1770                 errx(-1, "cannot set AMPDU setting");
1771         if (d < 0) {
1772                 d = -d;
1773                 ampdu &= ~d;
1774         } else
1775                 ampdu |= d;
1776         set80211(s, IEEE80211_IOC_AMPDU, ampdu, 0, NULL);
1777 }
1778
1779 static void
1780 set80211stbc(const char *val, int d, int s, const struct afswtch *rafp)
1781 {
1782         int stbc;
1783
1784         if (get80211val(s, IEEE80211_IOC_STBC, &stbc) < 0)
1785                 errx(-1, "cannot set STBC setting");
1786         if (d < 0) {
1787                 d = -d;
1788                 stbc &= ~d;
1789         } else
1790                 stbc |= d;
1791         set80211(s, IEEE80211_IOC_STBC, stbc, 0, NULL);
1792 }
1793
1794 static void
1795 set80211ldpc(const char *val, int d, int s, const struct afswtch *rafp)
1796 {
1797         int ldpc;
1798
1799         if (get80211val(s, IEEE80211_IOC_LDPC, &ldpc) < 0)
1800                 errx(-1, "cannot set LDPC setting");
1801         if (d < 0) {
1802                 d = -d;
1803                 ldpc &= ~d;
1804         } else
1805                 ldpc |= d;
1806         set80211(s, IEEE80211_IOC_LDPC, ldpc, 0, NULL);
1807 }
1808
1809 static
1810 DECL_CMD_FUNC(set80211ampdulimit, val, d)
1811 {
1812         int v;
1813
1814         switch (atoi(val)) {
1815         case 8:
1816         case 8*1024:
1817                 v = IEEE80211_HTCAP_MAXRXAMPDU_8K;
1818                 break;
1819         case 16:
1820         case 16*1024:
1821                 v = IEEE80211_HTCAP_MAXRXAMPDU_16K;
1822                 break;
1823         case 32:
1824         case 32*1024:
1825                 v = IEEE80211_HTCAP_MAXRXAMPDU_32K;
1826                 break;
1827         case 64:
1828         case 64*1024:
1829                 v = IEEE80211_HTCAP_MAXRXAMPDU_64K;
1830                 break;
1831         default:
1832                 errx(-1, "invalid A-MPDU limit %s", val);
1833         }
1834         set80211(s, IEEE80211_IOC_AMPDU_LIMIT, v, 0, NULL);
1835 }
1836
1837 /* XXX 11ac density/size is different */
1838 static
1839 DECL_CMD_FUNC(set80211ampdudensity, val, d)
1840 {
1841         int v;
1842
1843         if (isanyarg(val) || strcasecmp(val, "na") == 0)
1844                 v = IEEE80211_HTCAP_MPDUDENSITY_NA;
1845         else switch ((int)(atof(val)*4)) {
1846         case 0:
1847                 v = IEEE80211_HTCAP_MPDUDENSITY_NA;
1848                 break;
1849         case 1:
1850                 v = IEEE80211_HTCAP_MPDUDENSITY_025;
1851                 break;
1852         case 2:
1853                 v = IEEE80211_HTCAP_MPDUDENSITY_05;
1854                 break;
1855         case 4:
1856                 v = IEEE80211_HTCAP_MPDUDENSITY_1;
1857                 break;
1858         case 8:
1859                 v = IEEE80211_HTCAP_MPDUDENSITY_2;
1860                 break;
1861         case 16:
1862                 v = IEEE80211_HTCAP_MPDUDENSITY_4;
1863                 break;
1864         case 32:
1865                 v = IEEE80211_HTCAP_MPDUDENSITY_8;
1866                 break;
1867         case 64:
1868                 v = IEEE80211_HTCAP_MPDUDENSITY_16;
1869                 break;
1870         default:
1871                 errx(-1, "invalid A-MPDU density %s", val);
1872         }
1873         set80211(s, IEEE80211_IOC_AMPDU_DENSITY, v, 0, NULL);
1874 }
1875
1876 static void
1877 set80211amsdu(const char *val, int d, int s, const struct afswtch *rafp)
1878 {
1879         int amsdu;
1880
1881         if (get80211val(s, IEEE80211_IOC_AMSDU, &amsdu) < 0)
1882                 err(-1, "cannot get AMSDU setting");
1883         if (d < 0) {
1884                 d = -d;
1885                 amsdu &= ~d;
1886         } else
1887                 amsdu |= d;
1888         set80211(s, IEEE80211_IOC_AMSDU, amsdu, 0, NULL);
1889 }
1890
1891 static
1892 DECL_CMD_FUNC(set80211amsdulimit, val, d)
1893 {
1894         set80211(s, IEEE80211_IOC_AMSDU_LIMIT, atoi(val), 0, NULL);
1895 }
1896
1897 static void
1898 set80211puren(const char *val, int d, int s, const struct afswtch *rafp)
1899 {
1900         set80211(s, IEEE80211_IOC_PUREN, d, 0, NULL);
1901 }
1902
1903 static void
1904 set80211htcompat(const char *val, int d, int s, const struct afswtch *rafp)
1905 {
1906         set80211(s, IEEE80211_IOC_HTCOMPAT, d, 0, NULL);
1907 }
1908
1909 static void
1910 set80211htconf(const char *val, int d, int s, const struct afswtch *rafp)
1911 {
1912         set80211(s, IEEE80211_IOC_HTCONF, d, 0, NULL);
1913         htconf = d;
1914 }
1915
1916 static void
1917 set80211dwds(const char *val, int d, int s, const struct afswtch *rafp)
1918 {
1919         set80211(s, IEEE80211_IOC_DWDS, d, 0, NULL);
1920 }
1921
1922 static void
1923 set80211inact(const char *val, int d, int s, const struct afswtch *rafp)
1924 {
1925         set80211(s, IEEE80211_IOC_INACTIVITY, d, 0, NULL);
1926 }
1927
1928 static void
1929 set80211tsn(const char *val, int d, int s, const struct afswtch *rafp)
1930 {
1931         set80211(s, IEEE80211_IOC_TSN, d, 0, NULL);
1932 }
1933
1934 static void
1935 set80211dotd(const char *val, int d, int s, const struct afswtch *rafp)
1936 {
1937         set80211(s, IEEE80211_IOC_DOTD, d, 0, NULL);
1938 }
1939
1940 static void
1941 set80211smps(const char *val, int d, int s, const struct afswtch *rafp)
1942 {
1943         set80211(s, IEEE80211_IOC_SMPS, d, 0, NULL);
1944 }
1945
1946 static void
1947 set80211rifs(const char *val, int d, int s, const struct afswtch *rafp)
1948 {
1949         set80211(s, IEEE80211_IOC_RIFS, d, 0, NULL);
1950 }
1951
1952 static void
1953 set80211vhtconf(const char *val, int d, int s, const struct afswtch *rafp)
1954 {
1955         if (get80211val(s, IEEE80211_IOC_VHTCONF, &vhtconf) < 0)
1956                 errx(-1, "cannot set VHT setting");
1957         printf("%s: vhtconf=0x%08x, d=%d\n", __func__, vhtconf, d);
1958         if (d < 0) {
1959                 d = -d;
1960                 vhtconf &= ~d;
1961         } else
1962                 vhtconf |= d;
1963         printf("%s: vhtconf is now 0x%08x\n", __func__, vhtconf);
1964         set80211(s, IEEE80211_IOC_VHTCONF, vhtconf, 0, NULL);
1965 }
1966
1967 static
1968 DECL_CMD_FUNC(set80211tdmaslot, val, d)
1969 {
1970         set80211(s, IEEE80211_IOC_TDMA_SLOT, atoi(val), 0, NULL);
1971 }
1972
1973 static
1974 DECL_CMD_FUNC(set80211tdmaslotcnt, val, d)
1975 {
1976         set80211(s, IEEE80211_IOC_TDMA_SLOTCNT, atoi(val), 0, NULL);
1977 }
1978
1979 static
1980 DECL_CMD_FUNC(set80211tdmaslotlen, val, d)
1981 {
1982         set80211(s, IEEE80211_IOC_TDMA_SLOTLEN, atoi(val), 0, NULL);
1983 }
1984
1985 static
1986 DECL_CMD_FUNC(set80211tdmabintval, val, d)
1987 {
1988         set80211(s, IEEE80211_IOC_TDMA_BINTERVAL, atoi(val), 0, NULL);
1989 }
1990
1991 static
1992 DECL_CMD_FUNC(set80211meshttl, val, d)
1993 {
1994         set80211(s, IEEE80211_IOC_MESH_TTL, atoi(val), 0, NULL);
1995 }
1996
1997 static
1998 DECL_CMD_FUNC(set80211meshforward, val, d)
1999 {
2000         set80211(s, IEEE80211_IOC_MESH_FWRD, d, 0, NULL);
2001 }
2002
2003 static
2004 DECL_CMD_FUNC(set80211meshgate, val, d)
2005 {
2006         set80211(s, IEEE80211_IOC_MESH_GATE, d, 0, NULL);
2007 }
2008
2009 static
2010 DECL_CMD_FUNC(set80211meshpeering, val, d)
2011 {
2012         set80211(s, IEEE80211_IOC_MESH_AP, d, 0, NULL);
2013 }
2014
2015 static
2016 DECL_CMD_FUNC(set80211meshmetric, val, d)
2017 {
2018         char v[12];
2019
2020         memcpy(v, val, sizeof(v));
2021         set80211(s, IEEE80211_IOC_MESH_PR_METRIC, 0, 0, v);
2022 }
2023
2024 static
2025 DECL_CMD_FUNC(set80211meshpath, val, d)
2026 {
2027         char v[12];
2028
2029         memcpy(v, val, sizeof(v));
2030         set80211(s, IEEE80211_IOC_MESH_PR_PATH, 0, 0, v);
2031 }
2032
2033 static int
2034 regdomain_sort(const void *a, const void *b)
2035 {
2036 #define CHAN_ALL \
2037         (IEEE80211_CHAN_ALLTURBO|IEEE80211_CHAN_HALF|IEEE80211_CHAN_QUARTER)
2038         const struct ieee80211_channel *ca = a;
2039         const struct ieee80211_channel *cb = b;
2040
2041         return ca->ic_freq == cb->ic_freq ?
2042             (ca->ic_flags & CHAN_ALL) - (cb->ic_flags & CHAN_ALL) :
2043             ca->ic_freq - cb->ic_freq;
2044 #undef CHAN_ALL
2045 }
2046
2047 static const struct ieee80211_channel *
2048 chanlookup(const struct ieee80211_channel chans[], int nchans,
2049         int freq, int flags)
2050 {
2051         int i;
2052
2053         flags &= IEEE80211_CHAN_ALLTURBO;
2054         for (i = 0; i < nchans; i++) {
2055                 const struct ieee80211_channel *c = &chans[i];
2056                 if (c->ic_freq == freq &&
2057                     (c->ic_flags & IEEE80211_CHAN_ALLTURBO) == flags)
2058                         return c;
2059         }
2060         return NULL;
2061 }
2062
2063 static int
2064 chanfind(const struct ieee80211_channel chans[], int nchans, int flags)
2065 {
2066         int i;
2067
2068         for (i = 0; i < nchans; i++) {
2069                 const struct ieee80211_channel *c = &chans[i];
2070                 if ((c->ic_flags & flags) == flags)
2071                         return 1;
2072         }
2073         return 0;
2074 }
2075
2076 /*
2077  * Check channel compatibility.
2078  */
2079 static int
2080 checkchan(const struct ieee80211req_chaninfo *avail, int freq, int flags)
2081 {
2082         flags &= ~REQ_FLAGS;
2083         /*
2084          * Check if exact channel is in the calibration table;
2085          * everything below is to deal with channels that we
2086          * want to include but that are not explicitly listed.
2087          */
2088         if (chanlookup(avail->ic_chans, avail->ic_nchans, freq, flags) != NULL)
2089                 return 1;
2090         if (flags & IEEE80211_CHAN_GSM) {
2091                 /*
2092                  * XXX GSM frequency mapping is handled in the kernel
2093                  * so we cannot find them in the calibration table;
2094                  * just accept the channel and the kernel will reject
2095                  * the channel list if it's wrong.
2096                  */
2097                 return 1;
2098         }
2099         /*
2100          * If this is a 1/2 or 1/4 width channel allow it if a full
2101          * width channel is present for this frequency, and the device
2102          * supports fractional channels on this band.  This is a hack
2103          * that avoids bloating the calibration table; it may be better
2104          * by per-band attributes though (we are effectively calculating
2105          * this attribute by scanning the channel list ourself).
2106          */
2107         if ((flags & (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER)) == 0)
2108                 return 0;
2109         if (chanlookup(avail->ic_chans, avail->ic_nchans, freq,
2110             flags &~ (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER)) == NULL)
2111                 return 0;
2112         if (flags & IEEE80211_CHAN_HALF) {
2113                 return chanfind(avail->ic_chans, avail->ic_nchans,
2114                     IEEE80211_CHAN_HALF |
2115                        (flags & (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ)));
2116         } else {
2117                 return chanfind(avail->ic_chans, avail->ic_nchans,
2118                     IEEE80211_CHAN_QUARTER |
2119                         (flags & (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ)));
2120         }
2121 }
2122
2123 static void
2124 regdomain_addchans(struct ieee80211req_chaninfo *ci,
2125         const netband_head *bands,
2126         const struct ieee80211_regdomain *reg,
2127         uint32_t chanFlags,
2128         const struct ieee80211req_chaninfo *avail)
2129 {
2130         const struct netband *nb;
2131         const struct freqband *b;
2132         struct ieee80211_channel *c, *prev;
2133         int freq, hi_adj, lo_adj, channelSep;
2134         uint32_t flags;
2135
2136         hi_adj = (chanFlags & IEEE80211_CHAN_HT40U) ? -20 : 0;
2137         lo_adj = (chanFlags & IEEE80211_CHAN_HT40D) ? 20 : 0;
2138         channelSep = (chanFlags & IEEE80211_CHAN_2GHZ) ? 0 : 40;
2139
2140         LIST_FOREACH(nb, bands, next) {
2141                 b = nb->band;
2142                 if (verbose) {
2143                         printf("%s:", __func__);
2144                         printb(" chanFlags", chanFlags, IEEE80211_CHAN_BITS);
2145                         printb(" bandFlags", nb->flags | b->flags,
2146                             IEEE80211_CHAN_BITS);
2147                         putchar('\n');
2148                 }
2149                 prev = NULL;
2150
2151                 for (freq = b->freqStart + lo_adj;
2152                      freq <= b->freqEnd + hi_adj; freq += b->chanSep) {
2153                         /*
2154                          * Construct flags for the new channel.  We take
2155                          * the attributes from the band descriptions except
2156                          * for HT40 which is enabled generically (i.e. +/-
2157                          * extension channel) in the band description and
2158                          * then constrained according by channel separation.
2159                          */
2160                         flags = nb->flags | b->flags;
2161
2162                         /*
2163                          * VHT first - HT is a subset.
2164                          *
2165                          * XXX TODO: VHT80p80, VHT160 is not yet done.
2166                          */
2167                         if (flags & IEEE80211_CHAN_VHT) {
2168                                 if ((chanFlags & IEEE80211_CHAN_VHT20) &&
2169                                     (flags & IEEE80211_CHAN_VHT20) == 0) {
2170                                         if (verbose)
2171                                                 printf("%u: skip, not a "
2172                                                     "VHT20 channel\n", freq);
2173                                         continue;
2174                                 }
2175                                 if ((chanFlags & IEEE80211_CHAN_VHT40) &&
2176                                     (flags & IEEE80211_CHAN_VHT40) == 0) {
2177                                         if (verbose)
2178                                                 printf("%u: skip, not a "
2179                                                     "VHT40 channel\n", freq);
2180                                         continue;
2181                                 }
2182                                 if ((chanFlags & IEEE80211_CHAN_VHT80) &&
2183                                     (flags & IEEE80211_CHAN_VHT80) == 0) {
2184                                         if (verbose)
2185                                                 printf("%u: skip, not a "
2186                                                     "VHT80 channel\n", freq);
2187                                         continue;
2188                                 }
2189
2190                                 flags &= ~IEEE80211_CHAN_VHT;
2191                                 flags |= chanFlags & IEEE80211_CHAN_VHT;
2192                         }
2193
2194                         /* Now, constrain HT */
2195                         if (flags & IEEE80211_CHAN_HT) {
2196                                 /*
2197                                  * HT channels are generated specially; we're
2198                                  * called to add HT20, HT40+, and HT40- chan's
2199                                  * so we need to expand only band specs for
2200                                  * the HT channel type being added.
2201                                  */
2202                                 if ((chanFlags & IEEE80211_CHAN_HT20) &&
2203                                     (flags & IEEE80211_CHAN_HT20) == 0) {
2204                                         if (verbose)
2205                                                 printf("%u: skip, not an "
2206                                                     "HT20 channel\n", freq);
2207                                         continue;
2208                                 }
2209                                 if ((chanFlags & IEEE80211_CHAN_HT40) &&
2210                                     (flags & IEEE80211_CHAN_HT40) == 0) {
2211                                         if (verbose)
2212                                                 printf("%u: skip, not an "
2213                                                     "HT40 channel\n", freq);
2214                                         continue;
2215                                 }
2216                                 /* NB: HT attribute comes from caller */
2217                                 flags &= ~IEEE80211_CHAN_HT;
2218                                 flags |= chanFlags & IEEE80211_CHAN_HT;
2219                         }
2220                         /*
2221                          * Check if device can operate on this frequency.
2222                          */
2223                         if (!checkchan(avail, freq, flags)) {
2224                                 if (verbose) {
2225                                         printf("%u: skip, ", freq);
2226                                         printb("flags", flags,
2227                                             IEEE80211_CHAN_BITS);
2228                                         printf(" not available\n");
2229                                 }
2230                                 continue;
2231                         }
2232                         if ((flags & REQ_ECM) && !reg->ecm) {
2233                                 if (verbose)
2234                                         printf("%u: skip, ECM channel\n", freq);
2235                                 continue;
2236                         }
2237                         if ((flags & REQ_INDOOR) && reg->location == 'O') {
2238                                 if (verbose)
2239                                         printf("%u: skip, indoor channel\n",
2240                                             freq);
2241                                 continue;
2242                         }
2243                         if ((flags & REQ_OUTDOOR) && reg->location == 'I') {
2244                                 if (verbose)
2245                                         printf("%u: skip, outdoor channel\n",
2246                                             freq);
2247                                 continue;
2248                         }
2249                         if ((flags & IEEE80211_CHAN_HT40) &&
2250                             prev != NULL && (freq - prev->ic_freq) < channelSep) {
2251                                 if (verbose)
2252                                         printf("%u: skip, only %u channel "
2253                                             "separation, need %d\n", freq,
2254                                             freq - prev->ic_freq, channelSep);
2255                                 continue;
2256                         }
2257                         if (ci->ic_nchans == IEEE80211_CHAN_MAX) {
2258                                 if (verbose)
2259                                         printf("%u: skip, channel table full\n",
2260                                             freq);
2261                                 break;
2262                         }
2263                         c = &ci->ic_chans[ci->ic_nchans++];
2264                         memset(c, 0, sizeof(*c));
2265                         c->ic_freq = freq;
2266                         c->ic_flags = flags;
2267                 if (c->ic_flags & IEEE80211_CHAN_DFS)
2268                                 c->ic_maxregpower = nb->maxPowerDFS;
2269                         else
2270                                 c->ic_maxregpower = nb->maxPower;
2271                         if (verbose) {
2272                                 printf("[%3d] add freq %u ",
2273                                     ci->ic_nchans-1, c->ic_freq);
2274                                 printb("flags", c->ic_flags, IEEE80211_CHAN_BITS);
2275                                 printf(" power %u\n", c->ic_maxregpower);
2276                         }
2277                         /* NB: kernel fills in other fields */
2278                         prev = c;
2279                 }
2280         }
2281 }
2282
2283 static void
2284 regdomain_makechannels(
2285         struct ieee80211_regdomain_req *req,
2286         const struct ieee80211_devcaps_req *dc)
2287 {
2288         struct regdata *rdp = getregdata();
2289         const struct country *cc;
2290         const struct ieee80211_regdomain *reg = &req->rd;
2291         struct ieee80211req_chaninfo *ci = &req->chaninfo;
2292         const struct regdomain *rd;
2293
2294         /*
2295          * Locate construction table for new channel list.  We treat
2296          * the regdomain/SKU as definitive so a country can be in
2297          * multiple with different properties (e.g. US in FCC+FCC3).
2298          * If no regdomain is specified then we fallback on the country
2299          * code to find the associated regdomain since countries always
2300          * belong to at least one regdomain.
2301          */
2302         if (reg->regdomain == 0) {
2303                 cc = lib80211_country_findbycc(rdp, reg->country);
2304                 if (cc == NULL)
2305                         errx(1, "internal error, country %d not found",
2306                             reg->country);
2307                 rd = cc->rd;
2308         } else
2309                 rd = lib80211_regdomain_findbysku(rdp, reg->regdomain);
2310         if (rd == NULL)
2311                 errx(1, "internal error, regdomain %d not found",
2312                             reg->regdomain);
2313         if (rd->sku != SKU_DEBUG) {
2314                 /*
2315                  * regdomain_addchans incrememnts the channel count for
2316                  * each channel it adds so initialize ic_nchans to zero.
2317                  * Note that we know we have enough space to hold all possible
2318                  * channels because the devcaps list size was used to
2319                  * allocate our request.
2320                  */
2321                 ci->ic_nchans = 0;
2322                 if (!LIST_EMPTY(&rd->bands_11b))
2323                         regdomain_addchans(ci, &rd->bands_11b, reg,
2324                             IEEE80211_CHAN_B, &dc->dc_chaninfo);
2325                 if (!LIST_EMPTY(&rd->bands_11g))
2326                         regdomain_addchans(ci, &rd->bands_11g, reg,
2327                             IEEE80211_CHAN_G, &dc->dc_chaninfo);
2328                 if (!LIST_EMPTY(&rd->bands_11a))
2329                         regdomain_addchans(ci, &rd->bands_11a, reg,
2330                             IEEE80211_CHAN_A, &dc->dc_chaninfo);
2331                 if (!LIST_EMPTY(&rd->bands_11na) && dc->dc_htcaps != 0) {
2332                         regdomain_addchans(ci, &rd->bands_11na, reg,
2333                             IEEE80211_CHAN_A | IEEE80211_CHAN_HT20,
2334                             &dc->dc_chaninfo);
2335                         if (dc->dc_htcaps & IEEE80211_HTCAP_CHWIDTH40) {
2336                                 regdomain_addchans(ci, &rd->bands_11na, reg,
2337                                     IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U,
2338                                     &dc->dc_chaninfo);
2339                                 regdomain_addchans(ci, &rd->bands_11na, reg,
2340                                     IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D,
2341                                     &dc->dc_chaninfo);
2342                         }
2343                 }
2344                 if (!LIST_EMPTY(&rd->bands_11ac) && dc->dc_vhtcaps != 0) {
2345                         regdomain_addchans(ci, &rd->bands_11ac, reg,
2346                             IEEE80211_CHAN_A | IEEE80211_CHAN_HT20 |
2347                             IEEE80211_CHAN_VHT20,
2348                             &dc->dc_chaninfo);
2349
2350                         /* VHT40 is a function of HT40.. */
2351                         if (dc->dc_htcaps & IEEE80211_HTCAP_CHWIDTH40) {
2352                                 regdomain_addchans(ci, &rd->bands_11ac, reg,
2353                                     IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U |
2354                                     IEEE80211_CHAN_VHT40U,
2355                                     &dc->dc_chaninfo);
2356                                 regdomain_addchans(ci, &rd->bands_11ac, reg,
2357                                     IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D |
2358                                     IEEE80211_CHAN_VHT40D,
2359                                     &dc->dc_chaninfo);
2360                         }
2361
2362                         /* VHT80 */
2363                         /* XXX dc_vhtcap? */
2364                         if (1) {
2365                                 regdomain_addchans(ci, &rd->bands_11ac, reg,
2366                                     IEEE80211_CHAN_A | IEEE80211_CHAN_HT40U |
2367                                     IEEE80211_CHAN_VHT80,
2368                                     &dc->dc_chaninfo);
2369                                 regdomain_addchans(ci, &rd->bands_11ac, reg,
2370                                     IEEE80211_CHAN_A | IEEE80211_CHAN_HT40D |
2371                                     IEEE80211_CHAN_VHT80,
2372                                     &dc->dc_chaninfo);
2373                         }
2374
2375                         /* XXX TODO: VHT80_80, VHT160 */
2376                 }
2377
2378                 if (!LIST_EMPTY(&rd->bands_11ng) && dc->dc_htcaps != 0) {
2379                         regdomain_addchans(ci, &rd->bands_11ng, reg,
2380                             IEEE80211_CHAN_G | IEEE80211_CHAN_HT20,
2381                             &dc->dc_chaninfo);
2382                         if (dc->dc_htcaps & IEEE80211_HTCAP_CHWIDTH40) {
2383                                 regdomain_addchans(ci, &rd->bands_11ng, reg,
2384                                     IEEE80211_CHAN_G | IEEE80211_CHAN_HT40U,
2385                                     &dc->dc_chaninfo);
2386                                 regdomain_addchans(ci, &rd->bands_11ng, reg,
2387                                     IEEE80211_CHAN_G | IEEE80211_CHAN_HT40D,
2388                                     &dc->dc_chaninfo);
2389                         }
2390                 }
2391                 qsort(ci->ic_chans, ci->ic_nchans, sizeof(ci->ic_chans[0]),
2392                     regdomain_sort);
2393         } else
2394                 memcpy(ci, &dc->dc_chaninfo,
2395                     IEEE80211_CHANINFO_SPACE(&dc->dc_chaninfo));
2396 }
2397
2398 static void
2399 list_countries(void)
2400 {
2401         struct regdata *rdp = getregdata();
2402         const struct country *cp;
2403         const struct regdomain *dp;
2404         int i;
2405
2406         i = 0;
2407         printf("\nCountry codes:\n");
2408         LIST_FOREACH(cp, &rdp->countries, next) {
2409                 printf("%2s %-15.15s%s", cp->isoname,
2410                     cp->name, ((i+1)%4) == 0 ? "\n" : " ");
2411                 i++;
2412         }
2413         i = 0;
2414         printf("\nRegulatory domains:\n");
2415         LIST_FOREACH(dp, &rdp->domains, next) {
2416                 printf("%-15.15s%s", dp->name, ((i+1)%4) == 0 ? "\n" : " ");
2417                 i++;
2418         }
2419         printf("\n");
2420 }
2421
2422 static void
2423 defaultcountry(const struct regdomain *rd)
2424 {
2425         struct regdata *rdp = getregdata();
2426         const struct country *cc;
2427
2428         cc = lib80211_country_findbycc(rdp, rd->cc->code);
2429         if (cc == NULL)
2430                 errx(1, "internal error, ISO country code %d not "
2431                     "defined for regdomain %s", rd->cc->code, rd->name);
2432         regdomain.country = cc->code;
2433         regdomain.isocc[0] = cc->isoname[0];
2434         regdomain.isocc[1] = cc->isoname[1];
2435 }
2436
2437 static
2438 DECL_CMD_FUNC(set80211regdomain, val, d)
2439 {
2440         struct regdata *rdp = getregdata();
2441         const struct regdomain *rd;
2442
2443         rd = lib80211_regdomain_findbyname(rdp, val);
2444         if (rd == NULL) {
2445                 char *eptr;
2446                 long sku = strtol(val, &eptr, 0);
2447
2448                 if (eptr != val)
2449                         rd = lib80211_regdomain_findbysku(rdp, sku);
2450                 if (eptr == val || rd == NULL)
2451                         errx(1, "unknown regdomain %s", val);
2452         }
2453         getregdomain(s);
2454         regdomain.regdomain = rd->sku;
2455         if (regdomain.country == 0 && rd->cc != NULL) {
2456                 /*
2457                  * No country code setup and there's a default
2458                  * one for this regdomain fill it in.
2459                  */
2460                 defaultcountry(rd);
2461         }
2462         callback_register(setregdomain_cb, &regdomain);
2463 }
2464
2465 static
2466 DECL_CMD_FUNC(set80211country, val, d)
2467 {
2468         struct regdata *rdp = getregdata();
2469         const struct country *cc;
2470
2471         cc = lib80211_country_findbyname(rdp, val);
2472         if (cc == NULL) {
2473                 char *eptr;
2474                 long code = strtol(val, &eptr, 0);
2475
2476                 if (eptr != val)
2477                         cc = lib80211_country_findbycc(rdp, code);
2478                 if (eptr == val || cc == NULL)
2479                         errx(1, "unknown ISO country code %s", val);
2480         }
2481         getregdomain(s);
2482         regdomain.regdomain = cc->rd->sku;
2483         regdomain.country = cc->code;
2484         regdomain.isocc[0] = cc->isoname[0];
2485         regdomain.isocc[1] = cc->isoname[1];
2486         callback_register(setregdomain_cb, &regdomain);
2487 }
2488
2489 static void
2490 set80211location(const char *val, int d, int s, const struct afswtch *rafp)
2491 {
2492         getregdomain(s);
2493         regdomain.location = d;
2494         callback_register(setregdomain_cb, &regdomain);
2495 }
2496
2497 static void
2498 set80211ecm(const char *val, int d, int s, const struct afswtch *rafp)
2499 {
2500         getregdomain(s);
2501         regdomain.ecm = d;
2502         callback_register(setregdomain_cb, &regdomain);
2503 }
2504
2505 static void
2506 LINE_INIT(char c)
2507 {
2508         spacer = c;
2509         if (c == '\t')
2510                 col = 8;
2511         else
2512                 col = 1;
2513 }
2514
2515 static void
2516 LINE_BREAK(void)
2517 {
2518         if (spacer != '\t') {
2519                 printf("\n");
2520                 spacer = '\t';
2521         }
2522         col = 8;                /* 8-col tab */
2523 }
2524
2525 static void
2526 LINE_CHECK(const char *fmt, ...)
2527 {
2528         char buf[80];
2529         va_list ap;
2530         int n;
2531
2532         va_start(ap, fmt);
2533         n = vsnprintf(buf+1, sizeof(buf)-1, fmt, ap);
2534         va_end(ap);
2535         col += 1+n;
2536         if (col > MAXCOL) {
2537                 LINE_BREAK();
2538                 col += n;
2539         }
2540         buf[0] = spacer;
2541         printf("%s", buf);
2542         spacer = ' ';
2543 }
2544
2545 static int
2546 getmaxrate(const uint8_t rates[15], uint8_t nrates)
2547 {
2548         int i, maxrate = -1;
2549
2550         for (i = 0; i < nrates; i++) {
2551                 int rate = rates[i] & IEEE80211_RATE_VAL;
2552                 if (rate > maxrate)
2553                         maxrate = rate;
2554         }
2555         return maxrate / 2;
2556 }
2557
2558 static const char *
2559 getcaps(int capinfo)
2560 {
2561         static char capstring[32];
2562         char *cp = capstring;
2563
2564         if (capinfo & IEEE80211_CAPINFO_ESS)
2565                 *cp++ = 'E';
2566         if (capinfo & IEEE80211_CAPINFO_IBSS)
2567                 *cp++ = 'I';
2568         if (capinfo & IEEE80211_CAPINFO_CF_POLLABLE)
2569                 *cp++ = 'c';
2570         if (capinfo & IEEE80211_CAPINFO_CF_POLLREQ)
2571                 *cp++ = 'C';
2572         if (capinfo & IEEE80211_CAPINFO_PRIVACY)
2573                 *cp++ = 'P';
2574         if (capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE)
2575                 *cp++ = 'S';
2576         if (capinfo & IEEE80211_CAPINFO_PBCC)
2577                 *cp++ = 'B';
2578         if (capinfo & IEEE80211_CAPINFO_CHNL_AGILITY)
2579                 *cp++ = 'A';
2580         if (capinfo & IEEE80211_CAPINFO_SHORT_SLOTTIME)
2581                 *cp++ = 's';
2582         if (capinfo & IEEE80211_CAPINFO_RSN)
2583                 *cp++ = 'R';
2584         if (capinfo & IEEE80211_CAPINFO_DSSSOFDM)
2585                 *cp++ = 'D';
2586         *cp = '\0';
2587         return capstring;
2588 }
2589
2590 static const char *
2591 getflags(int flags)
2592 {
2593         static char flagstring[32];
2594         char *cp = flagstring;
2595
2596         if (flags & IEEE80211_NODE_AUTH)
2597                 *cp++ = 'A';
2598         if (flags & IEEE80211_NODE_QOS)
2599                 *cp++ = 'Q';
2600         if (flags & IEEE80211_NODE_ERP)
2601                 *cp++ = 'E';
2602         if (flags & IEEE80211_NODE_PWR_MGT)
2603                 *cp++ = 'P';
2604         if (flags & IEEE80211_NODE_HT) {
2605                 *cp++ = 'H';
2606                 if (flags & IEEE80211_NODE_HTCOMPAT)
2607                         *cp++ = '+';
2608         }
2609         if (flags & IEEE80211_NODE_VHT)
2610                 *cp++ = 'V';
2611         if (flags & IEEE80211_NODE_WPS)
2612                 *cp++ = 'W';
2613         if (flags & IEEE80211_NODE_TSN)
2614                 *cp++ = 'N';
2615         if (flags & IEEE80211_NODE_AMPDU_TX)
2616                 *cp++ = 'T';
2617         if (flags & IEEE80211_NODE_AMPDU_RX)
2618                 *cp++ = 'R';
2619         if (flags & IEEE80211_NODE_MIMO_PS) {
2620                 *cp++ = 'M';
2621                 if (flags & IEEE80211_NODE_MIMO_RTS)
2622                         *cp++ = '+';
2623         }
2624         if (flags & IEEE80211_NODE_RIFS)
2625                 *cp++ = 'I';
2626         if (flags & IEEE80211_NODE_SGI40) {
2627                 *cp++ = 'S';
2628                 if (flags & IEEE80211_NODE_SGI20)
2629                         *cp++ = '+';
2630         } else if (flags & IEEE80211_NODE_SGI20)
2631                 *cp++ = 's';
2632         if (flags & IEEE80211_NODE_AMSDU_TX)
2633                 *cp++ = 't';
2634         if (flags & IEEE80211_NODE_AMSDU_RX)
2635                 *cp++ = 'r';
2636         *cp = '\0';
2637         return flagstring;
2638 }
2639
2640 static void
2641 printie(const char* tag, const uint8_t *ie, size_t ielen, int maxlen)
2642 {
2643         printf("%s", tag);
2644         if (verbose) {
2645                 maxlen -= strlen(tag)+2;
2646                 if (2*ielen > maxlen)
2647                         maxlen--;
2648                 printf("<");
2649                 for (; ielen > 0; ie++, ielen--) {
2650                         if (maxlen-- <= 0)
2651                                 break;
2652                         printf("%02x", *ie);
2653                 }
2654                 if (ielen != 0)
2655                         printf("-");
2656                 printf(">");
2657         }
2658 }
2659
2660 #define LE_READ_2(p)                                    \
2661         ((u_int16_t)                                    \
2662          ((((const u_int8_t *)(p))[0]      ) |          \
2663           (((const u_int8_t *)(p))[1] <<  8)))
2664 #define LE_READ_4(p)                                    \
2665         ((u_int32_t)                                    \
2666          ((((const u_int8_t *)(p))[0]      ) |          \
2667           (((const u_int8_t *)(p))[1] <<  8) |          \
2668           (((const u_int8_t *)(p))[2] << 16) |          \
2669           (((const u_int8_t *)(p))[3] << 24)))
2670
2671 /*
2672  * NB: The decoding routines assume a properly formatted ie
2673  *     which should be safe as the kernel only retains them
2674  *     if they parse ok.
2675  */
2676
2677 static void
2678 printwmeparam(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2679 {
2680 #define MS(_v, _f)      (((_v) & _f) >> _f##_S)
2681         static const char *acnames[] = { "BE", "BK", "VO", "VI" };
2682         const struct ieee80211_wme_param *wme =
2683             (const struct ieee80211_wme_param *) ie;
2684         int i;
2685
2686         printf("%s", tag);
2687         if (!verbose)
2688                 return;
2689         printf("<qosinfo 0x%x", wme->param_qosInfo);
2690         ie += offsetof(struct ieee80211_wme_param, params_acParams);
2691         for (i = 0; i < WME_NUM_AC; i++) {
2692                 const struct ieee80211_wme_acparams *ac =
2693                     &wme->params_acParams[i];
2694
2695                 printf(" %s[%saifsn %u cwmin %u cwmax %u txop %u]"
2696                         , acnames[i]
2697                         , MS(ac->acp_aci_aifsn, WME_PARAM_ACM) ? "acm " : ""
2698                         , MS(ac->acp_aci_aifsn, WME_PARAM_AIFSN)
2699                         , MS(ac->acp_logcwminmax, WME_PARAM_LOGCWMIN)
2700                         , MS(ac->acp_logcwminmax, WME_PARAM_LOGCWMAX)
2701                         , LE_READ_2(&ac->acp_txop)
2702                 );
2703         }
2704         printf(">");
2705 #undef MS
2706 }
2707
2708 static void
2709 printwmeinfo(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2710 {
2711         printf("%s", tag);
2712         if (verbose) {
2713                 const struct ieee80211_wme_info *wme =
2714                     (const struct ieee80211_wme_info *) ie;
2715                 printf("<version 0x%x info 0x%x>",
2716                     wme->wme_version, wme->wme_info);
2717         }
2718 }
2719
2720 static void
2721 printvhtcap(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2722 {
2723         printf("%s", tag);
2724         if (verbose) {
2725                 const struct ieee80211_ie_vhtcap *vhtcap =
2726                     (const struct ieee80211_ie_vhtcap *) ie;
2727                 uint32_t vhtcap_info = LE_READ_4(&vhtcap->vht_cap_info);
2728
2729                 printf("<cap 0x%08x", vhtcap_info);
2730                 printf(" rx_mcs_map 0x%x",
2731                     LE_READ_2(&vhtcap->supp_mcs.rx_mcs_map));
2732                 printf(" rx_highest %d",
2733                     LE_READ_2(&vhtcap->supp_mcs.rx_highest) & 0x1fff);
2734                 printf(" tx_mcs_map 0x%x",
2735                     LE_READ_2(&vhtcap->supp_mcs.tx_mcs_map));
2736                 printf(" tx_highest %d",
2737                     LE_READ_2(&vhtcap->supp_mcs.tx_highest) & 0x1fff);
2738
2739                 printf(">");
2740         }
2741 }
2742
2743 static void
2744 printvhtinfo(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2745 {
2746         printf("%s", tag);
2747         if (verbose) {
2748                 const struct ieee80211_ie_vht_operation *vhtinfo =
2749                     (const struct ieee80211_ie_vht_operation *) ie;
2750
2751                 printf("<chw %d freq1_idx %d freq2_idx %d basic_mcs_set 0x%04x>",
2752                     vhtinfo->chan_width,
2753                     vhtinfo->center_freq_seg1_idx,
2754                     vhtinfo->center_freq_seg2_idx,
2755                     LE_READ_2(&vhtinfo->basic_mcs_set));
2756         }
2757 }
2758
2759 static void
2760 printvhtpwrenv(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2761 {
2762         printf("%s", tag);
2763         static const char *txpwrmap[] = {
2764                 "20",
2765                 "40",
2766                 "80",
2767                 "160",
2768         };
2769         if (verbose) {
2770                 const struct ieee80211_ie_vht_txpwrenv *vhtpwr =
2771                     (const struct ieee80211_ie_vht_txpwrenv *) ie;
2772                 int i, n;
2773                 const char *sep = "";
2774
2775                 /* Get count; trim at ielen */
2776                 n = (vhtpwr->tx_info &
2777                     IEEE80211_VHT_TXPWRENV_INFO_COUNT_MASK) + 1;
2778                 /* Trim at ielen */
2779                 if (n > ielen - 3)
2780                         n = ielen - 3;
2781                 printf("<tx_info 0x%02x pwr:[", vhtpwr->tx_info);
2782                 for (i = 0; i < n; i++) {
2783                         printf("%s%s:%.2f", sep, txpwrmap[i],
2784                             ((float) ((int8_t) ie[i+3])) / 2.0);
2785                         sep = " ";
2786                 }
2787
2788                 printf("]>");
2789         }
2790 }
2791
2792 static void
2793 printhtcap(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2794 {
2795         printf("%s", tag);
2796         if (verbose) {
2797                 const struct ieee80211_ie_htcap *htcap =
2798                     (const struct ieee80211_ie_htcap *) ie;
2799                 const char *sep;
2800                 int i, j;
2801
2802                 printf("<cap 0x%x param 0x%x",
2803                     LE_READ_2(&htcap->hc_cap), htcap->hc_param);
2804                 printf(" mcsset[");
2805                 sep = "";
2806                 for (i = 0; i < IEEE80211_HTRATE_MAXSIZE; i++)
2807                         if (isset(htcap->hc_mcsset, i)) {
2808                                 for (j = i+1; j < IEEE80211_HTRATE_MAXSIZE; j++)
2809                                         if (isclr(htcap->hc_mcsset, j))
2810                                                 break;
2811                                 j--;
2812                                 if (i == j)
2813                                         printf("%s%u", sep, i);
2814                                 else
2815                                         printf("%s%u-%u", sep, i, j);
2816                                 i += j-i;
2817                                 sep = ",";
2818                         }
2819                 printf("] extcap 0x%x txbf 0x%x antenna 0x%x>",
2820                     LE_READ_2(&htcap->hc_extcap),
2821                     LE_READ_4(&htcap->hc_txbf),
2822                     htcap->hc_antenna);
2823         }
2824 }
2825
2826 static void
2827 printhtinfo(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2828 {
2829         printf("%s", tag);
2830         if (verbose) {
2831                 const struct ieee80211_ie_htinfo *htinfo =
2832                     (const struct ieee80211_ie_htinfo *) ie;
2833                 const char *sep;
2834                 int i, j;
2835
2836                 printf("<ctl %u, %x,%x,%x,%x", htinfo->hi_ctrlchannel,
2837                     htinfo->hi_byte1, htinfo->hi_byte2, htinfo->hi_byte3,
2838                     LE_READ_2(&htinfo->hi_byte45));
2839                 printf(" basicmcs[");
2840                 sep = "";
2841                 for (i = 0; i < IEEE80211_HTRATE_MAXSIZE; i++)
2842                         if (isset(htinfo->hi_basicmcsset, i)) {
2843                                 for (j = i+1; j < IEEE80211_HTRATE_MAXSIZE; j++)
2844                                         if (isclr(htinfo->hi_basicmcsset, j))
2845                                                 break;
2846                                 j--;
2847                                 if (i == j)
2848                                         printf("%s%u", sep, i);
2849                                 else
2850                                         printf("%s%u-%u", sep, i, j);
2851                                 i += j-i;
2852                                 sep = ",";
2853                         }
2854                 printf("]>");
2855         }
2856 }
2857
2858 static void
2859 printathie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2860 {
2861
2862         printf("%s", tag);
2863         if (verbose) {
2864                 const struct ieee80211_ath_ie *ath =
2865                         (const struct ieee80211_ath_ie *)ie;
2866
2867                 printf("<");
2868                 if (ath->ath_capability & ATHEROS_CAP_TURBO_PRIME)
2869                         printf("DTURBO,");
2870                 if (ath->ath_capability & ATHEROS_CAP_COMPRESSION)
2871                         printf("COMP,");
2872                 if (ath->ath_capability & ATHEROS_CAP_FAST_FRAME)
2873                         printf("FF,");
2874                 if (ath->ath_capability & ATHEROS_CAP_XR)
2875                         printf("XR,");
2876                 if (ath->ath_capability & ATHEROS_CAP_AR)
2877                         printf("AR,");
2878                 if (ath->ath_capability & ATHEROS_CAP_BURST)
2879                         printf("BURST,");
2880                 if (ath->ath_capability & ATHEROS_CAP_WME)
2881                         printf("WME,");
2882                 if (ath->ath_capability & ATHEROS_CAP_BOOST)
2883                         printf("BOOST,");
2884                 printf("0x%x>", LE_READ_2(ath->ath_defkeyix));
2885         }
2886 }
2887
2888
2889 static void
2890 printmeshconf(const char *tag, const uint8_t *ie, size_t ielen, int maxlen)
2891 {
2892
2893         printf("%s", tag);
2894         if (verbose) {
2895                 const struct ieee80211_meshconf_ie *mconf =
2896                         (const struct ieee80211_meshconf_ie *)ie;
2897                 printf("<PATH:");
2898                 if (mconf->conf_pselid == IEEE80211_MESHCONF_PATH_HWMP)
2899                         printf("HWMP");
2900                 else
2901                         printf("UNKNOWN");
2902                 printf(" LINK:");
2903                 if (mconf->conf_pmetid == IEEE80211_MESHCONF_METRIC_AIRTIME)
2904                         printf("AIRTIME");
2905                 else
2906                         printf("UNKNOWN");
2907                 printf(" CONGESTION:");
2908                 if (mconf->conf_ccid == IEEE80211_MESHCONF_CC_DISABLED)
2909                         printf("DISABLED");
2910                 else
2911                         printf("UNKNOWN");
2912                 printf(" SYNC:");
2913                 if (mconf->conf_syncid == IEEE80211_MESHCONF_SYNC_NEIGHOFF)
2914                         printf("NEIGHOFF");
2915                 else
2916                         printf("UNKNOWN");
2917                 printf(" AUTH:");
2918                 if (mconf->conf_authid == IEEE80211_MESHCONF_AUTH_DISABLED)
2919                         printf("DISABLED");
2920                 else
2921                         printf("UNKNOWN");
2922                 printf(" FORM:0x%x CAPS:0x%x>", mconf->conf_form,
2923                     mconf->conf_cap);
2924         }
2925 }
2926
2927 static void
2928 printbssload(const char *tag, const uint8_t *ie, size_t ielen, int maxlen)
2929 {
2930         printf("%s", tag);
2931         if (verbose) {
2932                 const struct ieee80211_bss_load_ie *bssload =
2933                     (const struct ieee80211_bss_load_ie *) ie;
2934                 printf("<sta count %d, chan load %d, aac %d>",
2935                     LE_READ_2(&bssload->sta_count),
2936                     bssload->chan_load,
2937                     bssload->aac);
2938         }
2939 }
2940
2941 static void
2942 printapchanrep(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
2943 {
2944         printf("%s", tag);
2945         if (verbose) {
2946                 const struct ieee80211_ap_chan_report_ie *ap =
2947                     (const struct ieee80211_ap_chan_report_ie *) ie;
2948                 const char *sep = "";
2949                 int i;
2950
2951                 printf("<class %u, chan:[", ap->i_class);
2952
2953                 for (i = 3; i < ielen; i++) {
2954                         printf("%s%u", sep, ie[i]);
2955                         sep = ",";
2956                 }
2957                 printf("]>");
2958         }
2959 }
2960
2961 static const char *
2962 wpa_cipher(const u_int8_t *sel)
2963 {
2964 #define WPA_SEL(x)      (((x)<<24)|WPA_OUI)
2965         u_int32_t w = LE_READ_4(sel);
2966
2967         switch (w) {
2968         case WPA_SEL(WPA_CSE_NULL):
2969                 return "NONE";
2970         case WPA_SEL(WPA_CSE_WEP40):
2971                 return "WEP40";
2972         case WPA_SEL(WPA_CSE_WEP104):
2973                 return "WEP104";
2974         case WPA_SEL(WPA_CSE_TKIP):
2975                 return "TKIP";
2976         case WPA_SEL(WPA_CSE_CCMP):
2977                 return "AES-CCMP";
2978         }
2979         return "?";             /* NB: so 1<< is discarded */
2980 #undef WPA_SEL
2981 }
2982
2983 static const char *
2984 wpa_keymgmt(const u_int8_t *sel)
2985 {
2986 #define WPA_SEL(x)      (((x)<<24)|WPA_OUI)
2987         u_int32_t w = LE_READ_4(sel);
2988
2989         switch (w) {
2990         case WPA_SEL(WPA_ASE_8021X_UNSPEC):
2991                 return "8021X-UNSPEC";
2992         case WPA_SEL(WPA_ASE_8021X_PSK):
2993                 return "8021X-PSK";
2994         case WPA_SEL(WPA_ASE_NONE):
2995                 return "NONE";
2996         }
2997         return "?";
2998 #undef WPA_SEL
2999 }
3000
3001 static void
3002 printwpaie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
3003 {
3004         u_int8_t len = ie[1];
3005
3006         printf("%s", tag);
3007         if (verbose) {
3008                 const char *sep;
3009                 int n;
3010
3011                 ie += 6, len -= 4;              /* NB: len is payload only */
3012
3013                 printf("<v%u", LE_READ_2(ie));
3014                 ie += 2, len -= 2;
3015
3016                 printf(" mc:%s", wpa_cipher(ie));
3017                 ie += 4, len -= 4;
3018
3019                 /* unicast ciphers */
3020                 n = LE_READ_2(ie);
3021                 ie += 2, len -= 2;
3022                 sep = " uc:";
3023                 for (; n > 0; n--) {
3024                         printf("%s%s", sep, wpa_cipher(ie));
3025                         ie += 4, len -= 4;
3026                         sep = "+";
3027                 }
3028
3029                 /* key management algorithms */
3030                 n = LE_READ_2(ie);
3031                 ie += 2, len -= 2;
3032                 sep = " km:";
3033                 for (; n > 0; n--) {
3034                         printf("%s%s", sep, wpa_keymgmt(ie));
3035                         ie += 4, len -= 4;
3036                         sep = "+";
3037                 }
3038
3039                 if (len > 2)            /* optional capabilities */
3040                         printf(", caps 0x%x", LE_READ_2(ie));
3041                 printf(">");
3042         }
3043 }
3044
3045 static const char *
3046 rsn_cipher(const u_int8_t *sel)
3047 {
3048 #define RSN_SEL(x)      (((x)<<24)|RSN_OUI)
3049         u_int32_t w = LE_READ_4(sel);
3050
3051         switch (w) {
3052         case RSN_SEL(RSN_CSE_NULL):
3053                 return "NONE";
3054         case RSN_SEL(RSN_CSE_WEP40):
3055                 return "WEP40";
3056         case RSN_SEL(RSN_CSE_WEP104):
3057                 return "WEP104";
3058         case RSN_SEL(RSN_CSE_TKIP):
3059                 return "TKIP";
3060         case RSN_SEL(RSN_CSE_CCMP):
3061                 return "AES-CCMP";
3062         case RSN_SEL(RSN_CSE_WRAP):
3063                 return "AES-OCB";
3064         }
3065         return "?";
3066 #undef WPA_SEL
3067 }
3068
3069 static const char *
3070 rsn_keymgmt(const u_int8_t *sel)
3071 {
3072 #define RSN_SEL(x)      (((x)<<24)|RSN_OUI)
3073         u_int32_t w = LE_READ_4(sel);
3074
3075         switch (w) {
3076         case RSN_SEL(RSN_ASE_8021X_UNSPEC):
3077                 return "8021X-UNSPEC";
3078         case RSN_SEL(RSN_ASE_8021X_PSK):
3079                 return "8021X-PSK";
3080         case RSN_SEL(RSN_ASE_NONE):
3081                 return "NONE";
3082         }
3083         return "?";
3084 #undef RSN_SEL
3085 }
3086
3087 static void
3088 printrsnie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
3089 {
3090         printf("%s", tag);
3091         if (verbose) {
3092                 const char *sep;
3093                 int n;
3094
3095                 ie += 2, ielen -= 2;
3096
3097                 printf("<v%u", LE_READ_2(ie));
3098                 ie += 2, ielen -= 2;
3099
3100                 printf(" mc:%s", rsn_cipher(ie));
3101                 ie += 4, ielen -= 4;
3102
3103                 /* unicast ciphers */
3104                 n = LE_READ_2(ie);
3105                 ie += 2, ielen -= 2;
3106                 sep = " uc:";
3107                 for (; n > 0; n--) {
3108                         printf("%s%s", sep, rsn_cipher(ie));
3109                         ie += 4, ielen -= 4;
3110                         sep = "+";
3111                 }
3112
3113                 /* key management algorithms */
3114                 n = LE_READ_2(ie);
3115                 ie += 2, ielen -= 2;
3116                 sep = " km:";
3117                 for (; n > 0; n--) {
3118                         printf("%s%s", sep, rsn_keymgmt(ie));
3119                         ie += 4, ielen -= 4;
3120                         sep = "+";
3121                 }
3122
3123                 if (ielen > 2)          /* optional capabilities */
3124                         printf(", caps 0x%x", LE_READ_2(ie));
3125                 /* XXXPMKID */
3126                 printf(">");
3127         }
3128 }
3129
3130 /* XXX move to a public include file */
3131 #define IEEE80211_WPS_DEV_PASS_ID       0x1012
3132 #define IEEE80211_WPS_SELECTED_REG      0x1041
3133 #define IEEE80211_WPS_SETUP_STATE       0x1044
3134 #define IEEE80211_WPS_UUID_E            0x1047
3135 #define IEEE80211_WPS_VERSION           0x104a
3136
3137 #define BE_READ_2(p)                                    \
3138         ((u_int16_t)                                    \
3139          ((((const u_int8_t *)(p))[1]      ) |          \
3140           (((const u_int8_t *)(p))[0] <<  8)))
3141
3142 static void
3143 printwpsie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
3144 {
3145         u_int8_t len = ie[1];
3146
3147         printf("%s", tag);
3148         if (verbose) {
3149                 static const char *dev_pass_id[] = {
3150                         "D",    /* Default (PIN) */
3151                         "U",    /* User-specified */
3152                         "M",    /* Machine-specified */
3153                         "K",    /* Rekey */
3154                         "P",    /* PushButton */
3155                         "R"     /* Registrar-specified */
3156                 };
3157                 int n;
3158
3159                 ie +=6, len -= 4;               /* NB: len is payload only */
3160
3161                 /* WPS IE in Beacon and Probe Resp frames have different fields */
3162                 printf("<");
3163                 while (len) {
3164                         uint16_t tlv_type = BE_READ_2(ie);
3165                         uint16_t tlv_len  = BE_READ_2(ie + 2);
3166
3167                         /* some devices broadcast invalid WPS frames */
3168                         if (tlv_len > len) {
3169                                 printf("bad frame length tlv_type=0x%02x "
3170                                     "tlv_len=%d len=%d", tlv_type, tlv_len,
3171                                     len);
3172                                 break;
3173                         }
3174
3175                         ie += 4, len -= 4;
3176
3177                         switch (tlv_type) {
3178                         case IEEE80211_WPS_VERSION:
3179                                 printf("v:%d.%d", *ie >> 4, *ie & 0xf);
3180                                 break;
3181                         case IEEE80211_WPS_SETUP_STATE:
3182                                 /* Only 1 and 2 are valid */
3183                                 if (*ie == 0 || *ie >= 3)
3184                                         printf(" state:B");
3185                                 else
3186                                         printf(" st:%s", *ie == 1 ? "N" : "C");
3187                                 break;
3188                         case IEEE80211_WPS_SELECTED_REG:
3189                                 printf(" sel:%s", *ie ? "T" : "F");
3190                                 break;
3191                         case IEEE80211_WPS_DEV_PASS_ID:
3192                                 n = LE_READ_2(ie);
3193                                 if (n < nitems(dev_pass_id))
3194                                         printf(" dpi:%s", dev_pass_id[n]);
3195                                 break;
3196                         case IEEE80211_WPS_UUID_E:
3197                                 printf(" uuid-e:");
3198                                 for (n = 0; n < (tlv_len - 1); n++)
3199                                         printf("%02x-", ie[n]);
3200                                 printf("%02x", ie[n]);
3201                                 break;
3202                         }
3203                         ie += tlv_len, len -= tlv_len;
3204                 }
3205                 printf(">");
3206         }
3207 }
3208
3209 static void
3210 printtdmaie(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
3211 {
3212         printf("%s", tag);
3213         if (verbose && ielen >= sizeof(struct ieee80211_tdma_param)) {
3214                 const struct ieee80211_tdma_param *tdma =
3215                    (const struct ieee80211_tdma_param *) ie;
3216
3217                 /* XXX tstamp */
3218                 printf("<v%u slot:%u slotcnt:%u slotlen:%u bintval:%u inuse:0x%x>",
3219                     tdma->tdma_version, tdma->tdma_slot, tdma->tdma_slotcnt,
3220                     LE_READ_2(&tdma->tdma_slotlen), tdma->tdma_bintval,
3221                     tdma->tdma_inuse[0]);
3222         }
3223 }
3224
3225 /*
3226  * Copy the ssid string contents into buf, truncating to fit.  If the
3227  * ssid is entirely printable then just copy intact.  Otherwise convert
3228  * to hexadecimal.  If the result is truncated then replace the last
3229  * three characters with "...".
3230  */
3231 static int
3232 copy_essid(char buf[], size_t bufsize, const u_int8_t *essid, size_t essid_len)
3233 {
3234         const u_int8_t *p;
3235         size_t maxlen;
3236         u_int i;
3237
3238         if (essid_len > bufsize)
3239                 maxlen = bufsize;
3240         else
3241                 maxlen = essid_len;
3242         /* determine printable or not */
3243         for (i = 0, p = essid; i < maxlen; i++, p++) {
3244                 if (*p < ' ' || *p > 0x7e)
3245                         break;
3246         }
3247         if (i != maxlen) {              /* not printable, print as hex */
3248                 if (bufsize < 3)
3249                         return 0;
3250                 strlcpy(buf, "0x", bufsize);
3251                 bufsize -= 2;
3252                 p = essid;
3253                 for (i = 0; i < maxlen && bufsize >= 2; i++) {
3254                         sprintf(&buf[2+2*i], "%02x", p[i]);
3255                         bufsize -= 2;
3256                 }
3257                 if (i != essid_len)
3258                         memcpy(&buf[2+2*i-3], "...", 3);
3259         } else {                        /* printable, truncate as needed */
3260                 memcpy(buf, essid, maxlen);
3261                 if (maxlen != essid_len)
3262                         memcpy(&buf[maxlen-3], "...", 3);
3263         }
3264         return maxlen;
3265 }
3266
3267 static void
3268 printssid(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
3269 {
3270         char ssid[2*IEEE80211_NWID_LEN+1];
3271
3272         printf("%s<%.*s>", tag, copy_essid(ssid, maxlen, ie+2, ie[1]), ssid);
3273 }
3274
3275 static void
3276 printrates(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
3277 {
3278         const char *sep;
3279         int i;
3280
3281         printf("%s", tag);
3282         sep = "<";
3283         for (i = 2; i < ielen; i++) {
3284                 printf("%s%s%d", sep,
3285                     ie[i] & IEEE80211_RATE_BASIC ? "B" : "",
3286                     ie[i] & IEEE80211_RATE_VAL);
3287                 sep = ",";
3288         }
3289         printf(">");
3290 }
3291
3292 static void
3293 printcountry(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
3294 {
3295         const struct ieee80211_country_ie *cie =
3296            (const struct ieee80211_country_ie *) ie;
3297         int i, nbands, schan, nchan;
3298
3299         printf("%s<%c%c%c", tag, cie->cc[0], cie->cc[1], cie->cc[2]);
3300         nbands = (cie->len - 3) / sizeof(cie->band[0]);
3301         for (i = 0; i < nbands; i++) {
3302                 schan = cie->band[i].schan;
3303                 nchan = cie->band[i].nchan;
3304                 if (nchan != 1)
3305                         printf(" %u-%u,%u", schan, schan + nchan-1,
3306                             cie->band[i].maxtxpwr);
3307                 else
3308                         printf(" %u,%u", schan, cie->band[i].maxtxpwr);
3309         }
3310         printf(">");
3311 }
3312
3313 static __inline int
3314 iswpaoui(const u_int8_t *frm)
3315 {
3316         return frm[1] > 3 && LE_READ_4(frm+2) == ((WPA_OUI_TYPE<<24)|WPA_OUI);
3317 }
3318
3319 static __inline int
3320 iswmeinfo(const u_int8_t *frm)
3321 {
3322         return frm[1] > 5 && LE_READ_4(frm+2) == ((WME_OUI_TYPE<<24)|WME_OUI) &&
3323                 frm[6] == WME_INFO_OUI_SUBTYPE;
3324 }
3325
3326 static __inline int
3327 iswmeparam(const u_int8_t *frm)
3328 {
3329         return frm[1] > 5 && LE_READ_4(frm+2) == ((WME_OUI_TYPE<<24)|WME_OUI) &&
3330                 frm[6] == WME_PARAM_OUI_SUBTYPE;
3331 }
3332
3333 static __inline int
3334 isatherosoui(const u_int8_t *frm)
3335 {
3336         return frm[1] > 3 && LE_READ_4(frm+2) == ((ATH_OUI_TYPE<<24)|ATH_OUI);
3337 }
3338
3339 static __inline int
3340 istdmaoui(const uint8_t *frm)
3341 {
3342         return frm[1] > 3 && LE_READ_4(frm+2) == ((TDMA_OUI_TYPE<<24)|TDMA_OUI);
3343 }
3344
3345 static __inline int
3346 iswpsoui(const uint8_t *frm)
3347 {
3348         return frm[1] > 3 && LE_READ_4(frm+2) == ((WPS_OUI_TYPE<<24)|WPA_OUI);
3349 }
3350
3351 static const char *
3352 iename(int elemid)
3353 {
3354         switch (elemid) {
3355         case IEEE80211_ELEMID_FHPARMS:  return " FHPARMS";
3356         case IEEE80211_ELEMID_CFPARMS:  return " CFPARMS";
3357         case IEEE80211_ELEMID_TIM:      return " TIM";
3358         case IEEE80211_ELEMID_IBSSPARMS:return " IBSSPARMS";
3359         case IEEE80211_ELEMID_BSSLOAD:  return " BSSLOAD";
3360         case IEEE80211_ELEMID_CHALLENGE:return " CHALLENGE";
3361         case IEEE80211_ELEMID_PWRCNSTR: return " PWRCNSTR";
3362         case IEEE80211_ELEMID_PWRCAP:   return " PWRCAP";
3363         case IEEE80211_ELEMID_TPCREQ:   return " TPCREQ";
3364         case IEEE80211_ELEMID_TPCREP:   return " TPCREP";
3365         case IEEE80211_ELEMID_SUPPCHAN: return " SUPPCHAN";
3366         case IEEE80211_ELEMID_CSA:      return " CSA";
3367         case IEEE80211_ELEMID_MEASREQ:  return " MEASREQ";
3368         case IEEE80211_ELEMID_MEASREP:  return " MEASREP";
3369         case IEEE80211_ELEMID_QUIET:    return " QUIET";
3370         case IEEE80211_ELEMID_IBSSDFS:  return " IBSSDFS";
3371         case IEEE80211_ELEMID_TPC:      return " TPC";
3372         case IEEE80211_ELEMID_CCKM:     return " CCKM";
3373         }
3374         return " ???";
3375 }
3376
3377 static void
3378 printies(const u_int8_t *vp, int ielen, int maxcols)
3379 {
3380         while (ielen > 0) {
3381                 switch (vp[0]) {
3382                 case IEEE80211_ELEMID_SSID:
3383                         if (verbose)
3384                                 printssid(" SSID", vp, 2+vp[1], maxcols);
3385                         break;
3386                 case IEEE80211_ELEMID_RATES:
3387                 case IEEE80211_ELEMID_XRATES:
3388                         if (verbose)
3389                                 printrates(vp[0] == IEEE80211_ELEMID_RATES ?
3390                                     " RATES" : " XRATES", vp, 2+vp[1], maxcols);
3391                         break;
3392                 case IEEE80211_ELEMID_DSPARMS:
3393                         if (verbose)
3394                                 printf(" DSPARMS<%u>", vp[2]);
3395                         break;
3396                 case IEEE80211_ELEMID_COUNTRY:
3397                         if (verbose)
3398                                 printcountry(" COUNTRY", vp, 2+vp[1], maxcols);
3399                         break;
3400                 case IEEE80211_ELEMID_ERP:
3401                         if (verbose)
3402                                 printf(" ERP<0x%x>", vp[2]);
3403                         break;
3404                 case IEEE80211_ELEMID_VENDOR:
3405                         if (iswpaoui(vp))
3406                                 printwpaie(" WPA", vp, 2+vp[1], maxcols);
3407                         else if (iswmeinfo(vp))
3408                                 printwmeinfo(" WME", vp, 2+vp[1], maxcols);
3409                         else if (iswmeparam(vp))
3410                                 printwmeparam(" WME", vp, 2+vp[1], maxcols);
3411                         else if (isatherosoui(vp))
3412                                 printathie(" ATH", vp, 2+vp[1], maxcols);
3413                         else if (iswpsoui(vp))
3414                                 printwpsie(" WPS", vp, 2+vp[1], maxcols);
3415                         else if (istdmaoui(vp))
3416                                 printtdmaie(" TDMA", vp, 2+vp[1], maxcols);
3417                         else if (verbose)
3418                                 printie(" VEN", vp, 2+vp[1], maxcols);
3419                         break;
3420                 case IEEE80211_ELEMID_RSN:
3421                         printrsnie(" RSN", vp, 2+vp[1], maxcols);
3422                         break;
3423                 case IEEE80211_ELEMID_HTCAP:
3424                         printhtcap(" HTCAP", vp, 2+vp[1], maxcols);
3425                         break;
3426                 case IEEE80211_ELEMID_HTINFO:
3427                         if (verbose)
3428                                 printhtinfo(" HTINFO", vp, 2+vp[1], maxcols);
3429                         break;
3430                 case IEEE80211_ELEMID_MESHID:
3431                         if (verbose)
3432                                 printssid(" MESHID", vp, 2+vp[1], maxcols);
3433                         break;
3434                 case IEEE80211_ELEMID_MESHCONF:
3435                         printmeshconf(" MESHCONF", vp, 2+vp[1], maxcols);
3436                         break;
3437                 case IEEE80211_ELEMID_VHT_CAP:
3438                         printvhtcap(" VHTCAP", vp, 2+vp[1], maxcols);
3439                         break;
3440                 case IEEE80211_ELEMID_VHT_OPMODE:
3441                         printvhtinfo(" VHTOPMODE", vp, 2+vp[1], maxcols);
3442                         break;
3443                 case IEEE80211_ELEMID_VHT_PWR_ENV:
3444                         printvhtpwrenv(" VHTPWRENV", vp, 2+vp[1], maxcols);
3445                         break;
3446                 case IEEE80211_ELEMID_BSSLOAD:
3447                         printbssload(" BSSLOAD", vp, 2+vp[1], maxcols);
3448                         break;
3449                 case IEEE80211_ELEMID_APCHANREP:
3450                         printapchanrep(" APCHANREP", vp, 2+vp[1], maxcols);
3451                         break;
3452                 default:
3453                         if (verbose)
3454                                 printie(iename(vp[0]), vp, 2+vp[1], maxcols);
3455                         break;
3456                 }
3457                 ielen -= 2+vp[1];
3458                 vp += 2+vp[1];
3459         }
3460 }
3461
3462 static void
3463 printmimo(const struct ieee80211_mimo_info *mi)
3464 {
3465         int i;
3466         int r = 0;
3467
3468         for (i = 0; i < IEEE80211_MAX_CHAINS; i++) {
3469                 if (mi->ch[i].rssi != 0) {
3470                         r = 1;
3471                         break;
3472                 }
3473         }
3474
3475         /* NB: don't muddy display unless there's something to show */
3476         if (r == 0)
3477                 return;
3478
3479         /* XXX TODO: ignore EVM; secondary channels for now */
3480         printf(" (rssi %.1f:%.1f:%.1f:%.1f nf %d:%d:%d:%d)",
3481             mi->ch[0].rssi[0] / 2.0,
3482             mi->ch[1].rssi[0] / 2.0,
3483             mi->ch[2].rssi[0] / 2.0,
3484             mi->ch[3].rssi[0] / 2.0,
3485             mi->ch[0].noise[0],
3486             mi->ch[1].noise[0],
3487             mi->ch[2].noise[0],
3488             mi->ch[3].noise[0]);
3489 }
3490
3491 static void
3492 list_scan(int s)
3493 {
3494         uint8_t buf[24*1024];
3495         char ssid[IEEE80211_NWID_LEN+1];
3496         const uint8_t *cp;
3497         int len, ssidmax, idlen;
3498
3499         if (get80211len(s, IEEE80211_IOC_SCAN_RESULTS, buf, sizeof(buf), &len) < 0)
3500                 errx(1, "unable to get scan results");
3501         if (len < sizeof(struct ieee80211req_scan_result))
3502                 return;
3503
3504         getchaninfo(s);
3505
3506         ssidmax = verbose ? IEEE80211_NWID_LEN : 32;
3507         printf("%-*.*s  %-17.17s  %4s %4s   %-7s  %3s %4s\n"
3508                 , ssidmax, ssidmax, "SSID/MESH ID"
3509                 , "BSSID"
3510                 , "CHAN"
3511                 , "RATE"
3512                 , " S:N"
3513                 , "INT"
3514                 , "CAPS"
3515         );
3516         cp = buf;
3517         do {
3518                 const struct ieee80211req_scan_result *sr;
3519                 const uint8_t *vp, *idp;
3520
3521                 sr = (const struct ieee80211req_scan_result *) cp;
3522                 vp = cp + sr->isr_ie_off;
3523                 if (sr->isr_meshid_len) {
3524                         idp = vp + sr->isr_ssid_len;
3525                         idlen = sr->isr_meshid_len;
3526                 } else {
3527                         idp = vp;
3528                         idlen = sr->isr_ssid_len;
3529                 }
3530                 printf("%-*.*s  %s  %3d  %3dM %4d:%-4d %4d %-4.4s"
3531                         , ssidmax
3532                           , copy_essid(ssid, ssidmax, idp, idlen)
3533                           , ssid
3534                         , ether_ntoa((const struct ether_addr *) sr->isr_bssid)
3535                         , ieee80211_mhz2ieee(sr->isr_freq, sr->isr_flags)
3536                         , getmaxrate(sr->isr_rates, sr->isr_nrates)
3537                         , (sr->isr_rssi/2)+sr->isr_noise, sr->isr_noise
3538                         , sr->isr_intval
3539                         , getcaps(sr->isr_capinfo)
3540                 );
3541                 printies(vp + sr->isr_ssid_len + sr->isr_meshid_len,
3542                     sr->isr_ie_len, 24);
3543                 printf("\n");
3544                 cp += sr->isr_len, len -= sr->isr_len;
3545         } while (len >= sizeof(struct ieee80211req_scan_result));
3546 }
3547
3548 static void
3549 scan_and_wait(int s)
3550 {
3551         struct ieee80211_scan_req sr;
3552         struct ieee80211req ireq;
3553         int sroute;
3554
3555         sroute = socket(PF_ROUTE, SOCK_RAW, 0);
3556         if (sroute < 0) {
3557                 perror("socket(PF_ROUTE,SOCK_RAW)");
3558                 return;
3559         }
3560         (void) memset(&ireq, 0, sizeof(ireq));
3561         (void) strlcpy(ireq.i_name, name, sizeof(ireq.i_name));
3562         ireq.i_type = IEEE80211_IOC_SCAN_REQ;
3563
3564         memset(&sr, 0, sizeof(sr));
3565         sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE
3566                     | IEEE80211_IOC_SCAN_BGSCAN
3567                     | IEEE80211_IOC_SCAN_NOPICK
3568                     | IEEE80211_IOC_SCAN_ONCE;
3569         sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER;
3570         sr.sr_nssid = 0;
3571
3572         ireq.i_data = &sr;
3573         ireq.i_len = sizeof(sr);
3574         /*
3575          * NB: only root can trigger a scan so ignore errors. Also ignore
3576          * possible errors from net80211, even if no new scan could be
3577          * started there might still be a valid scan cache.
3578          */
3579         if (ioctl(s, SIOCS80211, &ireq) == 0) {
3580                 char buf[2048];
3581                 struct if_announcemsghdr *ifan;
3582                 struct rt_msghdr *rtm;
3583
3584                 do {
3585                         if (read(sroute, buf, sizeof(buf)) < 0) {
3586                                 perror("read(PF_ROUTE)");
3587                                 break;
3588                         }
3589                         rtm = (struct rt_msghdr *) buf;
3590                         if (rtm->rtm_version != RTM_VERSION)
3591                                 break;
3592                         ifan = (struct if_announcemsghdr *) rtm;
3593                 } while (rtm->rtm_type != RTM_IEEE80211 ||
3594                     ifan->ifan_what != RTM_IEEE80211_SCAN);
3595         }
3596         close(sroute);
3597 }
3598
3599 static
3600 DECL_CMD_FUNC(set80211scan, val, d)
3601 {
3602         scan_and_wait(s);
3603         list_scan(s);
3604 }
3605
3606 static enum ieee80211_opmode get80211opmode(int s);
3607
3608 static int
3609 gettxseq(const struct ieee80211req_sta_info *si)
3610 {
3611         int i, txseq;
3612
3613         if ((si->isi_state & IEEE80211_NODE_QOS) == 0)
3614                 return si->isi_txseqs[0];
3615         /* XXX not right but usually what folks want */
3616         txseq = 0;
3617         for (i = 0; i < IEEE80211_TID_SIZE; i++)
3618                 if (si->isi_txseqs[i] > txseq)
3619                         txseq = si->isi_txseqs[i];
3620         return txseq;
3621 }
3622
3623 static int
3624 getrxseq(const struct ieee80211req_sta_info *si)
3625 {
3626         int i, rxseq;
3627
3628         if ((si->isi_state & IEEE80211_NODE_QOS) == 0)
3629                 return si->isi_rxseqs[0];
3630         /* XXX not right but usually what folks want */
3631         rxseq = 0;
3632         for (i = 0; i < IEEE80211_TID_SIZE; i++)
3633                 if (si->isi_rxseqs[i] > rxseq)
3634                         rxseq = si->isi_rxseqs[i];
3635         return rxseq;
3636 }
3637
3638 static void
3639 list_stations(int s)
3640 {
3641         union {
3642                 struct ieee80211req_sta_req req;
3643                 uint8_t buf[24*1024];
3644         } u;
3645         enum ieee80211_opmode opmode = get80211opmode(s);
3646         const uint8_t *cp;
3647         int len;
3648
3649         /* broadcast address =>'s get all stations */
3650         (void) memset(u.req.is_u.macaddr, 0xff, IEEE80211_ADDR_LEN);
3651         if (opmode == IEEE80211_M_STA) {
3652                 /*
3653                  * Get information about the associated AP.
3654                  */
3655                 (void) get80211(s, IEEE80211_IOC_BSSID,
3656                     u.req.is_u.macaddr, IEEE80211_ADDR_LEN);
3657         }
3658         if (get80211len(s, IEEE80211_IOC_STA_INFO, &u, sizeof(u), &len) < 0)
3659                 errx(1, "unable to get station information");
3660         if (len < sizeof(struct ieee80211req_sta_info))
3661                 return;
3662
3663         getchaninfo(s);
3664
3665         if (opmode == IEEE80211_M_MBSS)
3666                 printf("%-17.17s %4s %5s %5s %7s %4s %4s %4s %6s %6s\n"
3667                         , "ADDR"
3668                         , "CHAN"
3669                         , "LOCAL"
3670                         , "PEER"
3671                         , "STATE"
3672                         , "RATE"
3673                         , "RSSI"
3674                         , "IDLE"
3675                         , "TXSEQ"
3676                         , "RXSEQ"
3677                 );
3678         else
3679                 printf("%-17.17s %4s %4s %4s %4s %4s %6s %6s %4s %-7s\n"
3680                         , "ADDR"
3681                         , "AID"
3682                         , "CHAN"
3683                         , "RATE"
3684                         , "RSSI"
3685                         , "IDLE"
3686                         , "TXSEQ"
3687                         , "RXSEQ"
3688                         , "CAPS"
3689                         , "FLAG"
3690                 );
3691         cp = (const uint8_t *) u.req.info;
3692         do {
3693                 const struct ieee80211req_sta_info *si;
3694
3695                 si = (const struct ieee80211req_sta_info *) cp;
3696                 if (si->isi_len < sizeof(*si))
3697                         break;
3698                 if (opmode == IEEE80211_M_MBSS)
3699                         printf("%s %4d %5x %5x %7.7s %3dM %4.1f %4d %6d %6d"
3700                                 , ether_ntoa((const struct ether_addr*)
3701                                     si->isi_macaddr)
3702                                 , ieee80211_mhz2ieee(si->isi_freq,
3703                                     si->isi_flags)
3704                                 , si->isi_localid
3705                                 , si->isi_peerid
3706                                 , mesh_linkstate_string(si->isi_peerstate)
3707                                 , si->isi_txmbps/2
3708                                 , si->isi_rssi/2.
3709                                 , si->isi_inact
3710                                 , gettxseq(si)
3711                                 , getrxseq(si)
3712                         );
3713                 else
3714                         printf("%s %4u %4d %3dM %4.1f %4d %6d %6d %-4.4s %-7.7s"
3715                                 , ether_ntoa((const struct ether_addr*)
3716                                     si->isi_macaddr)
3717                                 , IEEE80211_AID(si->isi_associd)
3718                                 , ieee80211_mhz2ieee(si->isi_freq,
3719                                     si->isi_flags)
3720                                 , si->isi_txmbps/2
3721                                 , si->isi_rssi/2.
3722                                 , si->isi_inact
3723                                 , gettxseq(si)
3724                                 , getrxseq(si)
3725                                 , getcaps(si->isi_capinfo)
3726                                 , getflags(si->isi_state)
3727                         );
3728                 printies(cp + si->isi_ie_off, si->isi_ie_len, 24);
3729                 printmimo(&si->isi_mimo);
3730                 printf("\n");
3731                 cp += si->isi_len, len -= si->isi_len;
3732         } while (len >= sizeof(struct ieee80211req_sta_info));
3733 }
3734
3735 static const char *
3736 mesh_linkstate_string(uint8_t state)
3737 {
3738         static const char *state_names[] = {
3739             [0] = "IDLE",
3740             [1] = "OPEN-TX",
3741             [2] = "OPEN-RX",
3742             [3] = "CONF-RX",
3743             [4] = "ESTAB",
3744             [5] = "HOLDING",
3745         };
3746
3747         if (state >= nitems(state_names)) {
3748                 static char buf[10];
3749                 snprintf(buf, sizeof(buf), "#%u", state);
3750                 return buf;
3751         } else
3752                 return state_names[state];
3753 }
3754
3755 static const char *
3756 get_chaninfo(const struct ieee80211_channel *c, int precise,
3757         char buf[], size_t bsize)
3758 {
3759         buf[0] = '\0';
3760         if (IEEE80211_IS_CHAN_FHSS(c))
3761                 strlcat(buf, " FHSS", bsize);
3762         if (IEEE80211_IS_CHAN_A(c))
3763                 strlcat(buf, " 11a", bsize);
3764         else if (IEEE80211_IS_CHAN_ANYG(c))
3765                 strlcat(buf, " 11g", bsize);
3766         else if (IEEE80211_IS_CHAN_B(c))
3767                 strlcat(buf, " 11b", bsize);
3768         if (IEEE80211_IS_CHAN_HALF(c))
3769                 strlcat(buf, "/10MHz", bsize);
3770         if (IEEE80211_IS_CHAN_QUARTER(c))
3771                 strlcat(buf, "/5MHz", bsize);
3772         if (IEEE80211_IS_CHAN_TURBO(c))
3773                 strlcat(buf, " Turbo", bsize);
3774         if (precise) {
3775                 /* XXX should make VHT80U, VHT80D */
3776                 if (IEEE80211_IS_CHAN_VHT80(c) &&
3777                     IEEE80211_IS_CHAN_HT40D(c))
3778                         strlcat(buf, " vht/80-", bsize);
3779                 else if (IEEE80211_IS_CHAN_VHT80(c) &&
3780                     IEEE80211_IS_CHAN_HT40U(c))
3781                         strlcat(buf, " vht/80+", bsize);
3782                 else if (IEEE80211_IS_CHAN_VHT80(c))
3783                         strlcat(buf, " vht/80", bsize);
3784                 else if (IEEE80211_IS_CHAN_VHT40D(c))
3785                         strlcat(buf, " vht/40-", bsize);
3786                 else if (IEEE80211_IS_CHAN_VHT40U(c))
3787                         strlcat(buf, " vht/40+", bsize);
3788                 else if (IEEE80211_IS_CHAN_VHT20(c))
3789                         strlcat(buf, " vht/20", bsize);
3790                 else if (IEEE80211_IS_CHAN_HT20(c))
3791                         strlcat(buf, " ht/20", bsize);
3792                 else if (IEEE80211_IS_CHAN_HT40D(c))
3793                         strlcat(buf, " ht/40-", bsize);
3794                 else if (IEEE80211_IS_CHAN_HT40U(c))
3795                         strlcat(buf, " ht/40+", bsize);
3796         } else {
3797                 if (IEEE80211_IS_CHAN_VHT(c))
3798                         strlcat(buf, " vht", bsize);
3799                 else if (IEEE80211_IS_CHAN_HT(c))
3800                         strlcat(buf, " ht", bsize);
3801         }
3802         return buf;
3803 }
3804
3805 static void
3806 print_chaninfo(const struct ieee80211_channel *c, int verb)
3807 {
3808         char buf[14];
3809
3810         if (verb)
3811                 printf("Channel %3u : %u%c%c%c%c%c MHz%-14.14s",
3812                     ieee80211_mhz2ieee(c->ic_freq, c->ic_flags), c->ic_freq,
3813                     IEEE80211_IS_CHAN_PASSIVE(c) ? '*' : ' ',
3814                     IEEE80211_IS_CHAN_DFS(c) ? 'D' : ' ',
3815                     IEEE80211_IS_CHAN_RADAR(c) ? 'R' : ' ',
3816                     IEEE80211_IS_CHAN_CWINT(c) ? 'I' : ' ',
3817                     IEEE80211_IS_CHAN_CACDONE(c) ? 'C' : ' ',
3818                     get_chaninfo(c, verb, buf, sizeof(buf)));
3819         else
3820         printf("Channel %3u : %u%c MHz%-14.14s",
3821             ieee80211_mhz2ieee(c->ic_freq, c->ic_flags), c->ic_freq,
3822             IEEE80211_IS_CHAN_PASSIVE(c) ? '*' : ' ',
3823             get_chaninfo(c, verb, buf, sizeof(buf)));
3824
3825 }
3826
3827 static int
3828 chanpref(const struct ieee80211_channel *c)
3829 {
3830         if (IEEE80211_IS_CHAN_VHT160(c))
3831                 return 80;
3832         if (IEEE80211_IS_CHAN_VHT80_80(c))
3833                 return 75;
3834         if (IEEE80211_IS_CHAN_VHT80(c))
3835                 return 70;
3836         if (IEEE80211_IS_CHAN_VHT40(c))
3837                 return 60;
3838         if (IEEE80211_IS_CHAN_VHT20(c))
3839                 return 50;
3840         if (IEEE80211_IS_CHAN_HT40(c))
3841                 return 40;
3842         if (IEEE80211_IS_CHAN_HT20(c))
3843                 return 30;
3844         if (IEEE80211_IS_CHAN_HALF(c))
3845                 return 10;
3846         if (IEEE80211_IS_CHAN_QUARTER(c))
3847                 return 5;
3848         if (IEEE80211_IS_CHAN_TURBO(c))
3849                 return 25;
3850         if (IEEE80211_IS_CHAN_A(c))
3851                 return 20;
3852         if (IEEE80211_IS_CHAN_G(c))
3853                 return 20;
3854         if (IEEE80211_IS_CHAN_B(c))
3855                 return 15;
3856         if (IEEE80211_IS_CHAN_PUREG(c))
3857                 return 15;
3858         return 0;
3859 }
3860
3861 static void
3862 print_channels(int s, const struct ieee80211req_chaninfo *chans,
3863         int allchans, int verb)
3864 {
3865         struct ieee80211req_chaninfo *achans;
3866         uint8_t reported[IEEE80211_CHAN_BYTES];
3867         const struct ieee80211_channel *c;
3868         int i, half;
3869
3870         achans = malloc(IEEE80211_CHANINFO_SPACE(chans));
3871         if (achans == NULL)
3872                 errx(1, "no space for active channel list");
3873         achans->ic_nchans = 0;
3874         memset(reported, 0, sizeof(reported));
3875         if (!allchans) {
3876                 struct ieee80211req_chanlist active;
3877
3878                 if (get80211(s, IEEE80211_IOC_CHANLIST, &active, sizeof(active)) < 0)
3879                         errx(1, "unable to get active channel list");
3880                 for (i = 0; i < chans->ic_nchans; i++) {
3881                         c = &chans->ic_chans[i];
3882                         if (!isset(active.ic_channels, c->ic_ieee))
3883                                 continue;
3884                         /*
3885                          * Suppress compatible duplicates unless
3886                          * verbose.  The kernel gives us it's
3887                          * complete channel list which has separate
3888                          * entries for 11g/11b and 11a/turbo.
3889                          */
3890                         if (isset(reported, c->ic_ieee) && !verb) {
3891                                 /* XXX we assume duplicates are adjacent */
3892                                 achans->ic_chans[achans->ic_nchans-1] = *c;
3893                         } else {
3894                                 achans->ic_chans[achans->ic_nchans++] = *c;
3895                                 setbit(reported, c->ic_ieee);
3896                         }
3897                 }
3898         } else {
3899                 for (i = 0; i < chans->ic_nchans; i++) {
3900                         c = &chans->ic_chans[i];
3901                         /* suppress duplicates as above */
3902                         if (isset(reported, c->ic_ieee) && !verb) {
3903                                 /* XXX we assume duplicates are adjacent */
3904                                 struct ieee80211_channel *a =
3905                                     &achans->ic_chans[achans->ic_nchans-1];
3906                                 if (chanpref(c) > chanpref(a))
3907                                         *a = *c;
3908                         } else {
3909                                 achans->ic_chans[achans->ic_nchans++] = *c;
3910                                 setbit(reported, c->ic_ieee);
3911                         }
3912                 }
3913         }
3914         half = achans->ic_nchans / 2;
3915         if (achans->ic_nchans % 2)
3916                 half++;
3917
3918         for (i = 0; i < achans->ic_nchans / 2; i++) {
3919                 print_chaninfo(&achans->ic_chans[i], verb);
3920                 print_chaninfo(&achans->ic_chans[half+i], verb);
3921                 printf("\n");
3922         }
3923         if (achans->ic_nchans % 2) {
3924                 print_chaninfo(&achans->ic_chans[i], verb);
3925                 printf("\n");
3926         }
3927         free(achans);
3928 }
3929
3930 static void
3931 list_channels(int s, int allchans)
3932 {
3933         getchaninfo(s);
3934         print_channels(s, chaninfo, allchans, verbose);
3935 }
3936
3937 static void
3938 print_txpow(const struct ieee80211_channel *c)
3939 {
3940         printf("Channel %3u : %u MHz %3.1f reg %2d  ",
3941             c->ic_ieee, c->ic_freq,
3942             c->ic_maxpower/2., c->ic_maxregpower);
3943 }
3944
3945 static void
3946 print_txpow_verbose(const struct ieee80211_channel *c)
3947 {
3948         print_chaninfo(c, 1);
3949         printf("min %4.1f dBm  max %3.1f dBm  reg %2d dBm",
3950             c->ic_minpower/2., c->ic_maxpower/2., c->ic_maxregpower);
3951         /* indicate where regulatory cap limits power use */
3952         if (c->ic_maxpower > 2*c->ic_maxregpower)
3953                 printf(" <");
3954 }
3955
3956 static void
3957 list_txpow(int s)
3958 {
3959         struct ieee80211req_chaninfo *achans;
3960         uint8_t reported[IEEE80211_CHAN_BYTES];
3961         struct ieee80211_channel *c, *prev;
3962         int i, half;
3963
3964         getchaninfo(s);
3965         achans = malloc(IEEE80211_CHANINFO_SPACE(chaninfo));
3966         if (achans == NULL)
3967                 errx(1, "no space for active channel list");
3968         achans->ic_nchans = 0;
3969         memset(reported, 0, sizeof(reported));
3970         for (i = 0; i < chaninfo->ic_nchans; i++) {
3971                 c = &chaninfo->ic_chans[i];
3972                 /* suppress duplicates as above */
3973                 if (isset(reported, c->ic_ieee) && !verbose) {
3974                         /* XXX we assume duplicates are adjacent */
3975                         assert(achans->ic_nchans > 0);
3976                         prev = &achans->ic_chans[achans->ic_nchans-1];
3977                         /* display highest power on channel */
3978                         if (c->ic_maxpower > prev->ic_maxpower)
3979                                 *prev = *c;
3980                 } else {
3981                         achans->ic_chans[achans->ic_nchans++] = *c;
3982                         setbit(reported, c->ic_ieee);
3983                 }
3984         }
3985         if (!verbose) {
3986                 half = achans->ic_nchans / 2;
3987                 if (achans->ic_nchans % 2)
3988                         half++;
3989
3990                 for (i = 0; i < achans->ic_nchans / 2; i++) {
3991                         print_txpow(&achans->ic_chans[i]);
3992                         print_txpow(&achans->ic_chans[half+i]);
3993                         printf("\n");
3994                 }
3995                 if (achans->ic_nchans % 2) {
3996                         print_txpow(&achans->ic_chans[i]);
3997                         printf("\n");
3998                 }
3999         } else {
4000                 for (i = 0; i < achans->ic_nchans; i++) {
4001                         print_txpow_verbose(&achans->ic_chans[i]);
4002                         printf("\n");
4003                 }
4004         }
4005         free(achans);
4006 }
4007
4008 static void
4009 list_keys(int s)
4010 {
4011 }
4012
4013 static void
4014 list_capabilities(int s)
4015 {
4016         struct ieee80211_devcaps_req *dc;
4017
4018         if (verbose)
4019                 dc = malloc(IEEE80211_DEVCAPS_SIZE(MAXCHAN));
4020         else
4021                 dc = malloc(IEEE80211_DEVCAPS_SIZE(1));
4022         if (dc == NULL)
4023                 errx(1, "no space for device capabilities");
4024         dc->dc_chaninfo.ic_nchans = verbose ? MAXCHAN : 1;
4025         getdevcaps(s, dc);
4026         printb("drivercaps", dc->dc_drivercaps, IEEE80211_C_BITS);
4027         if (dc->dc_cryptocaps != 0 || verbose) {
4028                 putchar('\n');
4029                 printb("cryptocaps", dc->dc_cryptocaps, IEEE80211_CRYPTO_BITS);
4030         }
4031         if (dc->dc_htcaps != 0 || verbose) {
4032                 putchar('\n');
4033                 printb("htcaps", dc->dc_htcaps, IEEE80211_HTCAP_BITS);
4034         }
4035         if (dc->dc_vhtcaps != 0 || verbose) {
4036                 putchar('\n');
4037                 printb("vhtcaps", dc->dc_vhtcaps, IEEE80211_VHTCAP_BITS);
4038         }
4039
4040         putchar('\n');
4041         if (verbose) {
4042                 chaninfo = &dc->dc_chaninfo;    /* XXX */
4043                 print_channels(s, &dc->dc_chaninfo, 1/*allchans*/, verbose);
4044         }
4045         free(dc);
4046 }
4047
4048 static int
4049 get80211wme(int s, int param, int ac, int *val)
4050 {
4051         struct ieee80211req ireq;
4052
4053         (void) memset(&ireq, 0, sizeof(ireq));
4054         (void) strlcpy(ireq.i_name, name, sizeof(ireq.i_name));
4055         ireq.i_type = param;
4056         ireq.i_len = ac;
4057         if (ioctl(s, SIOCG80211, &ireq) < 0) {
4058                 warn("cannot get WME parameter %d, ac %d%s",
4059                     param, ac & IEEE80211_WMEPARAM_VAL,
4060                     ac & IEEE80211_WMEPARAM_BSS ? " (BSS)" : "");
4061                 return -1;
4062         }
4063         *val = ireq.i_val;
4064         return 0;
4065 }
4066
4067 static void
4068 list_wme_aci(int s, const char *tag, int ac)
4069 {
4070         int val;
4071
4072         printf("\t%s", tag);
4073
4074         /* show WME BSS parameters */
4075         if (get80211wme(s, IEEE80211_IOC_WME_CWMIN, ac, &val) != -1)
4076                 printf(" cwmin %2u", val);
4077         if (get80211wme(s, IEEE80211_IOC_WME_CWMAX, ac, &val) != -1)
4078                 printf(" cwmax %2u", val);
4079         if (get80211wme(s, IEEE80211_IOC_WME_AIFS, ac, &val) != -1)
4080                 printf(" aifs %2u", val);
4081         if (get80211wme(s, IEEE80211_IOC_WME_TXOPLIMIT, ac, &val) != -1)
4082                 printf(" txopLimit %3u", val);
4083         if (get80211wme(s, IEEE80211_IOC_WME_ACM, ac, &val) != -1) {
4084                 if (val)
4085                         printf(" acm");
4086                 else if (verbose)
4087                         printf(" -acm");
4088         }
4089         /* !BSS only */
4090         if ((ac & IEEE80211_WMEPARAM_BSS) == 0) {
4091                 if (get80211wme(s, IEEE80211_IOC_WME_ACKPOLICY, ac, &val) != -1) {
4092                         if (!val)
4093                                 printf(" -ack");
4094                         else if (verbose)
4095                                 printf(" ack");
4096                 }
4097         }
4098         printf("\n");
4099 }
4100
4101 static void
4102 list_wme(int s)
4103 {
4104         static const char *acnames[] = { "AC_BE", "AC_BK", "AC_VI", "AC_VO" };
4105         int ac;
4106
4107         if (verbose) {
4108                 /* display both BSS and local settings */
4109                 for (ac = WME_AC_BE; ac <= WME_AC_VO; ac++) {
4110         again:
4111                         if (ac & IEEE80211_WMEPARAM_BSS)
4112                                 list_wme_aci(s, "     ", ac);
4113                         else
4114                                 list_wme_aci(s, acnames[ac], ac);
4115                         if ((ac & IEEE80211_WMEPARAM_BSS) == 0) {
4116                                 ac |= IEEE80211_WMEPARAM_BSS;
4117                                 goto again;
4118                         } else
4119                                 ac &= ~IEEE80211_WMEPARAM_BSS;
4120                 }
4121         } else {
4122                 /* display only channel settings */
4123                 for (ac = WME_AC_BE; ac <= WME_AC_VO; ac++)
4124                         list_wme_aci(s, acnames[ac], ac);
4125         }
4126 }
4127
4128 static void
4129 list_roam(int s)
4130 {
4131         const struct ieee80211_roamparam *rp;
4132         int mode;
4133
4134         getroam(s);
4135         for (mode = IEEE80211_MODE_11A; mode < IEEE80211_MODE_MAX; mode++) {
4136                 rp = &roamparams.params[mode];
4137                 if (rp->rssi == 0 && rp->rate == 0)
4138                         continue;
4139                 if (mode == IEEE80211_MODE_11NA || mode == IEEE80211_MODE_11NG) {
4140                         if (rp->rssi & 1)
4141                                 LINE_CHECK("roam:%-7.7s rssi %2u.5dBm  MCS %2u    ",
4142                                     modename[mode], rp->rssi/2,
4143                                     rp->rate &~ IEEE80211_RATE_MCS);
4144                         else
4145                                 LINE_CHECK("roam:%-7.7s rssi %4udBm  MCS %2u    ",
4146                                     modename[mode], rp->rssi/2,
4147                                     rp->rate &~ IEEE80211_RATE_MCS);
4148                 } else {
4149                         if (rp->rssi & 1)
4150                                 LINE_CHECK("roam:%-7.7s rssi %2u.5dBm rate %2u Mb/s",
4151                                     modename[mode], rp->rssi/2, rp->rate/2);
4152                         else
4153                                 LINE_CHECK("roam:%-7.7s rssi %4udBm rate %2u Mb/s",
4154                                     modename[mode], rp->rssi/2, rp->rate/2);
4155                 }
4156         }
4157 }
4158
4159 static void
4160 list_txparams(int s)
4161 {
4162         const struct ieee80211_txparam *tp;
4163         int mode;
4164
4165         gettxparams(s);
4166         for (mode = IEEE80211_MODE_11A; mode < IEEE80211_MODE_MAX; mode++) {
4167                 tp = &txparams.params[mode];
4168                 if (tp->mgmtrate == 0 && tp->mcastrate == 0)
4169                         continue;
4170                 if (mode == IEEE80211_MODE_11NA || mode == IEEE80211_MODE_11NG) {
4171                         if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE)
4172                                 LINE_CHECK("%-7.7s ucast NONE    mgmt %2u MCS  "
4173                                     "mcast %2u MCS  maxretry %u",
4174                                     modename[mode],
4175                                     tp->mgmtrate &~ IEEE80211_RATE_MCS,
4176                                     tp->mcastrate &~ IEEE80211_RATE_MCS,
4177                                     tp->maxretry);
4178                         else
4179                                 LINE_CHECK("%-7.7s ucast %2u MCS  mgmt %2u MCS  "
4180                                     "mcast %2u MCS  maxretry %u",
4181                                     modename[mode],
4182                                     tp->ucastrate &~ IEEE80211_RATE_MCS,
4183                                     tp->mgmtrate &~ IEEE80211_RATE_MCS,
4184                                     tp->mcastrate &~ IEEE80211_RATE_MCS,
4185                                     tp->maxretry);
4186                 } else {
4187                         if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE)
4188                                 LINE_CHECK("%-7.7s ucast NONE    mgmt %2u Mb/s "
4189                                     "mcast %2u Mb/s maxretry %u",
4190                                     modename[mode],
4191                                     tp->mgmtrate/2,
4192                                     tp->mcastrate/2, tp->maxretry);
4193                         else
4194                                 LINE_CHECK("%-7.7s ucast %2u Mb/s mgmt %2u Mb/s "
4195                                     "mcast %2u Mb/s maxretry %u",
4196                                     modename[mode],
4197                                     tp->ucastrate/2, tp->mgmtrate/2,
4198                                     tp->mcastrate/2, tp->maxretry);
4199                 }
4200         }
4201 }
4202
4203 static void
4204 printpolicy(int policy)
4205 {
4206         switch (policy) {
4207         case IEEE80211_MACCMD_POLICY_OPEN:
4208                 printf("policy: open\n");
4209                 break;
4210         case IEEE80211_MACCMD_POLICY_ALLOW:
4211                 printf("policy: allow\n");
4212                 break;
4213         case IEEE80211_MACCMD_POLICY_DENY:
4214                 printf("policy: deny\n");
4215                 break;
4216         case IEEE80211_MACCMD_POLICY_RADIUS:
4217                 printf("policy: radius\n");
4218                 break;
4219         default:
4220                 printf("policy: unknown (%u)\n", policy);
4221                 break;
4222         }
4223 }
4224
4225 static void
4226 list_mac(int s)
4227 {
4228         struct ieee80211req ireq;
4229         struct ieee80211req_maclist *acllist;
4230         int i, nacls, policy, len;
4231         uint8_t *data;
4232         char c;
4233
4234         (void) memset(&ireq, 0, sizeof(ireq));
4235         (void) strlcpy(ireq.i_name, name, sizeof(ireq.i_name)); /* XXX ?? */
4236         ireq.i_type = IEEE80211_IOC_MACCMD;
4237         ireq.i_val = IEEE80211_MACCMD_POLICY;
4238         if (ioctl(s, SIOCG80211, &ireq) < 0) {
4239                 if (errno == EINVAL) {
4240                         printf("No acl policy loaded\n");
4241                         return;
4242                 }
4243                 err(1, "unable to get mac policy");
4244         }
4245         policy = ireq.i_val;
4246         if (policy == IEEE80211_MACCMD_POLICY_OPEN) {
4247                 c = '*';
4248         } else if (policy == IEEE80211_MACCMD_POLICY_ALLOW) {
4249                 c = '+';
4250         } else if (policy == IEEE80211_MACCMD_POLICY_DENY) {
4251                 c = '-';
4252         } else if (policy == IEEE80211_MACCMD_POLICY_RADIUS) {
4253                 c = 'r';                /* NB: should never have entries */
4254         } else {
4255                 printf("policy: unknown (%u)\n", policy);
4256                 c = '?';
4257         }
4258         if (verbose || c == '?')
4259                 printpolicy(policy);
4260
4261         ireq.i_val = IEEE80211_MACCMD_LIST;
4262         ireq.i_len = 0;
4263         if (ioctl(s, SIOCG80211, &ireq) < 0)
4264                 err(1, "unable to get mac acl list size");
4265         if (ireq.i_len == 0) {          /* NB: no acls */
4266                 if (!(verbose || c == '?'))
4267                         printpolicy(policy);
4268                 return;
4269         }
4270         len = ireq.i_len;
4271
4272         data = malloc(len);
4273         if (data == NULL)
4274                 err(1, "out of memory for acl list");
4275
4276         ireq.i_data = data;
4277         if (ioctl(s, SIOCG80211, &ireq) < 0)
4278                 err(1, "unable to get mac acl list");
4279         nacls = len / sizeof(*acllist);
4280         acllist = (struct ieee80211req_maclist *) data;
4281         for (i = 0; i < nacls; i++)
4282                 printf("%c%s\n", c, ether_ntoa(
4283                         (const struct ether_addr *) acllist[i].ml_macaddr));
4284         free(data);
4285 }
4286
4287 static void
4288 print_regdomain(const struct ieee80211_regdomain *reg, int verb)
4289 {
4290         if ((reg->regdomain != 0 &&
4291             reg->regdomain != reg->country) || verb) {
4292                 const struct regdomain *rd =
4293                     lib80211_regdomain_findbysku(getregdata(), reg->regdomain);
4294                 if (rd == NULL)
4295                         LINE_CHECK("regdomain %d", reg->regdomain);
4296                 else
4297                         LINE_CHECK("regdomain %s", rd->name);
4298         }
4299         if (reg->country != 0 || verb) {
4300                 const struct country *cc =
4301                     lib80211_country_findbycc(getregdata(), reg->country);
4302                 if (cc == NULL)
4303                         LINE_CHECK("country %d", reg->country);
4304                 else
4305                         LINE_CHECK("country %s", cc->isoname);
4306         }
4307         if (reg->location == 'I')
4308                 LINE_CHECK("indoor");
4309         else if (reg->location == 'O')
4310                 LINE_CHECK("outdoor");
4311         else if (verb)
4312                 LINE_CHECK("anywhere");
4313         if (reg->ecm)
4314                 LINE_CHECK("ecm");
4315         else if (verb)
4316                 LINE_CHECK("-ecm");
4317 }
4318
4319 static void
4320 list_regdomain(int s, int channelsalso)
4321 {
4322         getregdomain(s);
4323         if (channelsalso) {
4324                 getchaninfo(s);
4325                 spacer = ':';
4326                 print_regdomain(&regdomain, 1);
4327                 LINE_BREAK();
4328                 print_channels(s, chaninfo, 1/*allchans*/, 1/*verbose*/);
4329         } else
4330                 print_regdomain(&regdomain, verbose);
4331 }
4332
4333 static void
4334 list_mesh(int s)
4335 {
4336         struct ieee80211req ireq;
4337         struct ieee80211req_mesh_route routes[128];
4338         struct ieee80211req_mesh_route *rt;
4339
4340         (void) memset(&ireq, 0, sizeof(ireq));
4341         (void) strlcpy(ireq.i_name, name, sizeof(ireq.i_name));
4342         ireq.i_type = IEEE80211_IOC_MESH_RTCMD;
4343         ireq.i_val = IEEE80211_MESH_RTCMD_LIST;
4344         ireq.i_data = &routes;
4345         ireq.i_len = sizeof(routes);
4346         if (ioctl(s, SIOCG80211, &ireq) < 0)
4347                 err(1, "unable to get the Mesh routing table");
4348
4349         printf("%-17.17s %-17.17s %4s %4s %4s %6s %s\n"
4350                 , "DEST"
4351                 , "NEXT HOP"
4352                 , "HOPS"
4353                 , "METRIC"
4354                 , "LIFETIME"
4355                 , "MSEQ"
4356                 , "FLAGS");
4357
4358         for (rt = &routes[0]; rt - &routes[0] < ireq.i_len / sizeof(*rt); rt++){
4359                 printf("%s ",
4360                     ether_ntoa((const struct ether_addr *)rt->imr_dest));
4361                 printf("%s %4u   %4u   %6u %6u    %c%c\n",
4362                         ether_ntoa((const struct ether_addr *)rt->imr_nexthop),
4363                         rt->imr_nhops, rt->imr_metric, rt->imr_lifetime,
4364                         rt->imr_lastmseq,
4365                         (rt->imr_flags & IEEE80211_MESHRT_FLAGS_DISCOVER) ?
4366                             'D' :
4367                         (rt->imr_flags & IEEE80211_MESHRT_FLAGS_VALID) ?
4368                             'V' : '!',
4369                         (rt->imr_flags & IEEE80211_MESHRT_FLAGS_PROXY) ?
4370                             'P' :
4371                         (rt->imr_flags & IEEE80211_MESHRT_FLAGS_GATE) ?
4372                             'G' :' ');
4373         }
4374 }
4375
4376 static
4377 DECL_CMD_FUNC(set80211list, arg, d)
4378 {
4379 #define iseq(a,b)       (strncasecmp(a,b,sizeof(b)-1) == 0)
4380
4381         LINE_INIT('\t');
4382
4383         if (iseq(arg, "sta"))
4384                 list_stations(s);
4385         else if (iseq(arg, "scan") || iseq(arg, "ap"))
4386                 list_scan(s);
4387         else if (iseq(arg, "chan") || iseq(arg, "freq"))
4388                 list_channels(s, 1);
4389         else if (iseq(arg, "active"))
4390                 list_channels(s, 0);
4391         else if (iseq(arg, "keys"))
4392                 list_keys(s);
4393         else if (iseq(arg, "caps"))
4394                 list_capabilities(s);
4395         else if (iseq(arg, "wme") || iseq(arg, "wmm"))
4396                 list_wme(s);
4397         else if (iseq(arg, "mac"))
4398                 list_mac(s);
4399         else if (iseq(arg, "txpow"))
4400                 list_txpow(s);
4401         else if (iseq(arg, "roam"))
4402                 list_roam(s);
4403         else if (iseq(arg, "txparam") || iseq(arg, "txparm"))
4404                 list_txparams(s);
4405         else if (iseq(arg, "regdomain"))
4406                 list_regdomain(s, 1);
4407         else if (iseq(arg, "countries"))
4408                 list_countries();
4409         else if (iseq(arg, "mesh"))
4410                 list_mesh(s);
4411         else
4412                 errx(1, "Don't know how to list %s for %s", arg, name);
4413         LINE_BREAK();
4414 #undef iseq
4415 }
4416
4417 static enum ieee80211_opmode
4418 get80211opmode(int s)
4419 {
4420         struct ifmediareq ifmr;
4421
4422         (void) memset(&ifmr, 0, sizeof(ifmr));
4423         (void) strlcpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));
4424
4425         if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) >= 0) {
4426                 if (ifmr.ifm_current & IFM_IEEE80211_ADHOC) {
4427                         if (ifmr.ifm_current & IFM_FLAG0)
4428                                 return IEEE80211_M_AHDEMO;
4429                         else
4430                                 return IEEE80211_M_IBSS;
4431                 }
4432                 if (ifmr.ifm_current & IFM_IEEE80211_HOSTAP)
4433                         return IEEE80211_M_HOSTAP;
4434                 if (ifmr.ifm_current & IFM_IEEE80211_IBSS)
4435                         return IEEE80211_M_IBSS;
4436                 if (ifmr.ifm_current & IFM_IEEE80211_MONITOR)
4437                         return IEEE80211_M_MONITOR;
4438                 if (ifmr.ifm_current & IFM_IEEE80211_MBSS)
4439                         return IEEE80211_M_MBSS;
4440         }
4441         return IEEE80211_M_STA;
4442 }
4443
4444 #if 0
4445 static void
4446 printcipher(int s, struct ieee80211req *ireq, int keylenop)
4447 {
4448         switch (ireq->i_val) {
4449         case IEEE80211_CIPHER_WEP:
4450                 ireq->i_type = keylenop;
4451                 if (ioctl(s, SIOCG80211, ireq) != -1)
4452                         printf("WEP-%s",
4453                             ireq->i_len <= 5 ? "40" :
4454                             ireq->i_len <= 13 ? "104" : "128");
4455                 else
4456                         printf("WEP");
4457                 break;
4458         case IEEE80211_CIPHER_TKIP:
4459                 printf("TKIP");
4460                 break;
4461         case IEEE80211_CIPHER_AES_OCB:
4462                 printf("AES-OCB");
4463                 break;
4464         case IEEE80211_CIPHER_AES_CCM:
4465                 printf("AES-CCM");
4466                 break;
4467         case IEEE80211_CIPHER_CKIP:
4468                 printf("CKIP");
4469                 break;
4470         case IEEE80211_CIPHER_NONE:
4471                 printf("NONE");
4472                 break;
4473         default:
4474                 printf("UNKNOWN (0x%x)", ireq->i_val);
4475                 break;
4476         }
4477 }
4478 #endif
4479
4480 static void
4481 printkey(const struct ieee80211req_key *ik)
4482 {
4483         static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
4484         u_int keylen = ik->ik_keylen;
4485         int printcontents;
4486
4487         printcontents = printkeys &&
4488                 (memcmp(ik->ik_keydata, zerodata, keylen) != 0 || verbose);
4489         if (printcontents)
4490                 LINE_BREAK();
4491         switch (ik->ik_type) {
4492         case IEEE80211_CIPHER_WEP:
4493                 /* compatibility */
4494                 LINE_CHECK("wepkey %u:%s", ik->ik_keyix+1,
4495                     keylen <= 5 ? "40-bit" :
4496                     keylen <= 13 ? "104-bit" : "128-bit");
4497                 break;
4498         case IEEE80211_CIPHER_TKIP:
4499                 if (keylen > 128/8)
4500                         keylen -= 128/8;        /* ignore MIC for now */
4501                 LINE_CHECK("TKIP %u:%u-bit", ik->ik_keyix+1, 8*keylen);
4502                 break;
4503         case IEEE80211_CIPHER_AES_OCB:
4504                 LINE_CHECK("AES-OCB %u:%u-bit", ik->ik_keyix+1, 8*keylen);
4505                 break;
4506         case IEEE80211_CIPHER_AES_CCM:
4507                 LINE_CHECK("AES-CCM %u:%u-bit", ik->ik_keyix+1, 8*keylen);
4508                 break;
4509         case IEEE80211_CIPHER_CKIP:
4510                 LINE_CHECK("CKIP %u:%u-bit", ik->ik_keyix+1, 8*keylen);
4511                 break;
4512         case IEEE80211_CIPHER_NONE:
4513                 LINE_CHECK("NULL %u:%u-bit", ik->ik_keyix+1, 8*keylen);
4514                 break;
4515         default:
4516                 LINE_CHECK("UNKNOWN (0x%x) %u:%u-bit",
4517                         ik->ik_type, ik->ik_keyix+1, 8*keylen);
4518                 break;
4519         }
4520         if (printcontents) {
4521                 u_int i;
4522
4523                 printf(" <");
4524                 for (i = 0; i < keylen; i++)
4525                         printf("%02x", ik->ik_keydata[i]);
4526                 printf(">");
4527                 if (ik->ik_type != IEEE80211_CIPHER_WEP &&
4528                     (ik->ik_keyrsc != 0 || verbose))
4529                         printf(" rsc %ju", (uintmax_t)ik->ik_keyrsc);
4530                 if (ik->ik_type != IEEE80211_CIPHER_WEP &&
4531                     (ik->ik_keytsc != 0 || verbose))
4532                         printf(" tsc %ju", (uintmax_t)ik->ik_keytsc);
4533                 if (ik->ik_flags != 0 && verbose) {
4534                         const char *sep = " ";
4535
4536                         if (ik->ik_flags & IEEE80211_KEY_XMIT)
4537                                 printf("%stx", sep), sep = "+";
4538                         if (ik->ik_flags & IEEE80211_KEY_RECV)
4539                                 printf("%srx", sep), sep = "+";
4540                         if (ik->ik_flags & IEEE80211_KEY_DEFAULT)
4541                                 printf("%sdef", sep), sep = "+";
4542                 }
4543                 LINE_BREAK();
4544         }
4545 }
4546
4547 static void
4548 printrate(const char *tag, int v, int defrate, int defmcs)
4549 {
4550         if ((v & IEEE80211_RATE_MCS) == 0) {
4551                 if (v != defrate) {
4552                         if (v & 1)
4553                                 LINE_CHECK("%s %d.5", tag, v/2);
4554                         else
4555                                 LINE_CHECK("%s %d", tag, v/2);
4556                 }
4557         } else {
4558                 if (v != defmcs)
4559                         LINE_CHECK("%s %d", tag, v &~ 0x80);
4560         }
4561 }
4562
4563 static int
4564 getid(int s, int ix, void *data, size_t len, int *plen, int mesh)
4565 {
4566         struct ieee80211req ireq;
4567
4568         (void) memset(&ireq, 0, sizeof(ireq));
4569         (void) strlcpy(ireq.i_name, name, sizeof(ireq.i_name));
4570         ireq.i_type = (!mesh) ? IEEE80211_IOC_SSID : IEEE80211_IOC_MESH_ID;
4571         ireq.i_val = ix;
4572         ireq.i_data = data;
4573         ireq.i_len = len;
4574         if (ioctl(s, SIOCG80211, &ireq) < 0)
4575                 return -1;
4576         *plen = ireq.i_len;
4577         return 0;
4578 }
4579
4580 static void
4581 ieee80211_status(int s)
4582 {
4583         static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
4584         enum ieee80211_opmode opmode = get80211opmode(s);
4585         int i, num, wpa, wme, bgscan, bgscaninterval, val, len, wepmode;
4586         uint8_t data[32];
4587         const struct ieee80211_channel *c;
4588         const struct ieee80211_roamparam *rp;
4589         const struct ieee80211_txparam *tp;
4590
4591         if (getid(s, -1, data, sizeof(data), &len, 0) < 0) {
4592                 /* If we can't get the SSID, this isn't an 802.11 device. */
4593                 return;
4594         }
4595
4596         /*
4597          * Invalidate cached state so printing status for multiple
4598          * if's doesn't reuse the first interfaces' cached state.
4599          */
4600         gotcurchan = 0;
4601         gotroam = 0;
4602         gottxparams = 0;
4603         gothtconf = 0;
4604         gotregdomain = 0;
4605
4606         printf("\t");
4607         if (opmode == IEEE80211_M_MBSS) {
4608                 printf("meshid ");
4609                 getid(s, 0, data, sizeof(data), &len, 1);
4610                 print_string(data, len);
4611         } else {
4612                 if (get80211val(s, IEEE80211_IOC_NUMSSIDS, &num) < 0)
4613                         num = 0;
4614                 printf("ssid ");
4615                 if (num > 1) {
4616                         for (i = 0; i < num; i++) {
4617                                 if (getid(s, i, data, sizeof(data), &len, 0) >= 0 && len > 0) {
4618                                         printf(" %d:", i + 1);
4619                                         print_string(data, len);
4620                                 }
4621                         }
4622                 } else
4623                         print_string(data, len);
4624         }
4625         c = getcurchan(s);
4626         if (c->ic_freq != IEEE80211_CHAN_ANY) {
4627                 char buf[14];
4628                 printf(" channel %d (%u MHz%s)", c->ic_ieee, c->ic_freq,
4629                         get_chaninfo(c, 1, buf, sizeof(buf)));
4630         } else if (verbose)
4631                 printf(" channel UNDEF");
4632
4633         if (get80211(s, IEEE80211_IOC_BSSID, data, IEEE80211_ADDR_LEN) >= 0 &&
4634             (memcmp(data, zerobssid, sizeof(zerobssid)) != 0 || verbose))
4635                 printf(" bssid %s", ether_ntoa((struct ether_addr *)data));
4636
4637         if (get80211len(s, IEEE80211_IOC_STATIONNAME, data, sizeof(data), &len) != -1) {
4638                 printf("\n\tstationname ");
4639                 print_string(data, len);
4640         }
4641
4642         spacer = ' ';           /* force first break */
4643         LINE_BREAK();
4644
4645         list_regdomain(s, 0);
4646
4647         wpa = 0;
4648         if (get80211val(s, IEEE80211_IOC_AUTHMODE, &val) != -1) {
4649                 switch (val) {
4650                 case IEEE80211_AUTH_NONE:
4651                         LINE_CHECK("authmode NONE");
4652                         break;
4653                 case IEEE80211_AUTH_OPEN:
4654                         LINE_CHECK("authmode OPEN");
4655                         break;
4656                 case IEEE80211_AUTH_SHARED:
4657                         LINE_CHECK("authmode SHARED");
4658                         break;
4659                 case IEEE80211_AUTH_8021X:
4660                         LINE_CHECK("authmode 802.1x");
4661                         break;
4662                 case IEEE80211_AUTH_WPA:
4663                         if (get80211val(s, IEEE80211_IOC_WPA, &wpa) < 0)
4664                                 wpa = 1;        /* default to WPA1 */
4665                         switch (wpa) {
4666                         case 2:
4667                                 LINE_CHECK("authmode WPA2/802.11i");
4668                                 break;
4669                         case 3:
4670                                 LINE_CHECK("authmode WPA1+WPA2/802.11i");
4671                                 break;
4672                         default:
4673                                 LINE_CHECK("authmode WPA");
4674                                 break;
4675                         }
4676                         break;
4677                 case IEEE80211_AUTH_AUTO:
4678                         LINE_CHECK("authmode AUTO");
4679                         break;
4680                 default:
4681                         LINE_CHECK("authmode UNKNOWN (0x%x)", val);
4682                         break;
4683                 }
4684         }
4685
4686         if (wpa || verbose) {
4687                 if (get80211val(s, IEEE80211_IOC_WPS, &val) != -1) {
4688                         if (val)
4689                                 LINE_CHECK("wps");
4690                         else if (verbose)
4691                                 LINE_CHECK("-wps");
4692                 }
4693                 if (get80211val(s, IEEE80211_IOC_TSN, &val) != -1) {
4694                         if (val)
4695                                 LINE_CHECK("tsn");
4696                         else if (verbose)
4697                                 LINE_CHECK("-tsn");
4698                 }
4699                 if (ioctl(s, IEEE80211_IOC_COUNTERMEASURES, &val) != -1) {
4700                         if (val)
4701                                 LINE_CHECK("countermeasures");
4702                         else if (verbose)
4703                                 LINE_CHECK("-countermeasures");
4704                 }
4705 #if 0
4706                 /* XXX not interesting with WPA done in user space */
4707                 ireq.i_type = IEEE80211_IOC_KEYMGTALGS;
4708                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
4709                 }
4710
4711                 ireq.i_type = IEEE80211_IOC_MCASTCIPHER;
4712                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
4713                         LINE_CHECK("mcastcipher ");
4714                         printcipher(s, &ireq, IEEE80211_IOC_MCASTKEYLEN);
4715                         spacer = ' ';
4716                 }
4717
4718                 ireq.i_type = IEEE80211_IOC_UCASTCIPHER;
4719                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
4720                         LINE_CHECK("ucastcipher ");
4721                         printcipher(s, &ireq, IEEE80211_IOC_UCASTKEYLEN);
4722                 }
4723
4724                 if (wpa & 2) {
4725                         ireq.i_type = IEEE80211_IOC_RSNCAPS;
4726                         if (ioctl(s, SIOCG80211, &ireq) != -1) {
4727                                 LINE_CHECK("RSN caps 0x%x", ireq.i_val);
4728                                 spacer = ' ';
4729                         }
4730                 }
4731
4732                 ireq.i_type = IEEE80211_IOC_UCASTCIPHERS;
4733                 if (ioctl(s, SIOCG80211, &ireq) != -1) {
4734                 }
4735 #endif
4736         }
4737
4738         if (get80211val(s, IEEE80211_IOC_WEP, &wepmode) != -1 &&
4739             wepmode != IEEE80211_WEP_NOSUP) {
4740
4741                 switch (wepmode) {
4742                 case IEEE80211_WEP_OFF:
4743                         LINE_CHECK("privacy OFF");
4744                         break;
4745                 case IEEE80211_WEP_ON:
4746                         LINE_CHECK("privacy ON");
4747                         break;
4748                 case IEEE80211_WEP_MIXED:
4749                         LINE_CHECK("privacy MIXED");
4750                         break;
4751                 default:
4752                         LINE_CHECK("privacy UNKNOWN (0x%x)", wepmode);
4753                         break;
4754                 }
4755
4756                 /*
4757                  * If we get here then we've got WEP support so we need
4758                  * to print WEP status.
4759                  */
4760
4761                 if (get80211val(s, IEEE80211_IOC_WEPTXKEY, &val) < 0) {
4762                         warn("WEP support, but no tx key!");
4763                         goto end;
4764                 }
4765                 if (val != -1)
4766                         LINE_CHECK("deftxkey %d", val+1);
4767                 else if (wepmode != IEEE80211_WEP_OFF || verbose)
4768                         LINE_CHECK("deftxkey UNDEF");
4769
4770                 if (get80211val(s, IEEE80211_IOC_NUMWEPKEYS, &num) < 0) {
4771                         warn("WEP support, but no NUMWEPKEYS support!");
4772                         goto end;
4773                 }
4774
4775                 for (i = 0; i < num; i++) {
4776                         struct ieee80211req_key ik;
4777
4778                         memset(&ik, 0, sizeof(ik));
4779                         ik.ik_keyix = i;
4780                         if (get80211(s, IEEE80211_IOC_WPAKEY, &ik, sizeof(ik)) < 0) {
4781                                 warn("WEP support, but can get keys!");
4782                                 goto end;
4783                         }
4784                         if (ik.ik_keylen != 0) {
4785                                 if (verbose)
4786                                         LINE_BREAK();
4787                                 printkey(&ik);
4788                         }
4789                 }
4790 end:
4791                 ;
4792         }
4793
4794         if (get80211val(s, IEEE80211_IOC_POWERSAVE, &val) != -1 &&
4795             val != IEEE80211_POWERSAVE_NOSUP ) {
4796                 if (val != IEEE80211_POWERSAVE_OFF || verbose) {
4797                         switch (val) {
4798                         case IEEE80211_POWERSAVE_OFF:
4799                                 LINE_CHECK("powersavemode OFF");
4800                                 break;
4801                         case IEEE80211_POWERSAVE_CAM:
4802                                 LINE_CHECK("powersavemode CAM");
4803                                 break;
4804                         case IEEE80211_POWERSAVE_PSP:
4805                                 LINE_CHECK("powersavemode PSP");
4806                                 break;
4807                         case IEEE80211_POWERSAVE_PSP_CAM:
4808                                 LINE_CHECK("powersavemode PSP-CAM");
4809                                 break;
4810                         }
4811                         if (get80211val(s, IEEE80211_IOC_POWERSAVESLEEP, &val) != -1)
4812                                 LINE_CHECK("powersavesleep %d", val);
4813                 }
4814         }
4815
4816         if (get80211val(s, IEEE80211_IOC_TXPOWER, &val) != -1) {
4817                 if (val & 1)
4818                         LINE_CHECK("txpower %d.5", val/2);
4819                 else
4820                         LINE_CHECK("txpower %d", val/2);
4821         }
4822         if (verbose) {
4823                 if (get80211val(s, IEEE80211_IOC_TXPOWMAX, &val) != -1)
4824                         LINE_CHECK("txpowmax %.1f", val/2.);
4825         }
4826
4827         if (get80211val(s, IEEE80211_IOC_DOTD, &val) != -1) {
4828                 if (val)
4829                         LINE_CHECK("dotd");
4830                 else if (verbose)
4831                         LINE_CHECK("-dotd");
4832         }
4833
4834         if (get80211val(s, IEEE80211_IOC_RTSTHRESHOLD, &val) != -1) {
4835                 if (val != IEEE80211_RTS_MAX || verbose)
4836                         LINE_CHECK("rtsthreshold %d", val);
4837         }
4838
4839         if (get80211val(s, IEEE80211_IOC_FRAGTHRESHOLD, &val) != -1) {
4840                 if (val != IEEE80211_FRAG_MAX || verbose)
4841                         LINE_CHECK("fragthreshold %d", val);
4842         }
4843         if (opmode == IEEE80211_M_STA || verbose) {
4844                 if (get80211val(s, IEEE80211_IOC_BMISSTHRESHOLD, &val) != -1) {
4845                         if (val != IEEE80211_HWBMISS_MAX || verbose)
4846                                 LINE_CHECK("bmiss %d", val);
4847                 }
4848         }
4849
4850         if (!verbose) {
4851                 gettxparams(s);
4852                 tp = &txparams.params[chan2mode(c)];
4853                 printrate("ucastrate", tp->ucastrate,
4854                     IEEE80211_FIXED_RATE_NONE, IEEE80211_FIXED_RATE_NONE);
4855                 printrate("mcastrate", tp->mcastrate, 2*1,
4856                     IEEE80211_RATE_MCS|0);
4857                 printrate("mgmtrate", tp->mgmtrate, 2*1,
4858                     IEEE80211_RATE_MCS|0);
4859                 if (tp->maxretry != 6)          /* XXX */
4860                         LINE_CHECK("maxretry %d", tp->maxretry);
4861         } else {
4862                 LINE_BREAK();
4863                 list_txparams(s);
4864         }
4865
4866         bgscaninterval = -1;
4867         (void) get80211val(s, IEEE80211_IOC_BGSCAN_INTERVAL, &bgscaninterval);
4868
4869         if (get80211val(s, IEEE80211_IOC_SCANVALID, &val) != -1) {
4870                 if (val != bgscaninterval || verbose)
4871                         LINE_CHECK("scanvalid %u", val);
4872         }
4873
4874         bgscan = 0;
4875         if (get80211val(s, IEEE80211_IOC_BGSCAN, &bgscan) != -1) {
4876                 if (bgscan)
4877                         LINE_CHECK("bgscan");
4878                 else if (verbose)
4879                         LINE_CHECK("-bgscan");
4880         }
4881         if (bgscan || verbose) {
4882                 if (bgscaninterval != -1)
4883                         LINE_CHECK("bgscanintvl %u", bgscaninterval);
4884                 if (get80211val(s, IEEE80211_IOC_BGSCAN_IDLE, &val) != -1)
4885                         LINE_CHECK("bgscanidle %u", val);
4886                 if (!verbose) {
4887                         getroam(s);
4888                         rp = &roamparams.params[chan2mode(c)];
4889                         if (rp->rssi & 1)
4890                                 LINE_CHECK("roam:rssi %u.5", rp->rssi/2);
4891                         else
4892                                 LINE_CHECK("roam:rssi %u", rp->rssi/2);
4893                         LINE_CHECK("roam:rate %u", rp->rate/2);
4894                 } else {
4895                         LINE_BREAK();
4896                         list_roam(s);
4897                         LINE_BREAK();
4898                 }
4899         }
4900
4901         if (IEEE80211_IS_CHAN_ANYG(c) || verbose) {
4902                 if (get80211val(s, IEEE80211_IOC_PUREG, &val) != -1) {
4903                         if (val)
4904                                 LINE_CHECK("pureg");
4905                         else if (verbose)
4906                                 LINE_CHECK("-pureg");
4907                 }
4908                 if (get80211val(s, IEEE80211_IOC_PROTMODE, &val) != -1) {
4909                         switch (val) {
4910                         case IEEE80211_PROTMODE_OFF:
4911                                 LINE_CHECK("protmode OFF");
4912                                 break;
4913                         case IEEE80211_PROTMODE_CTS:
4914                                 LINE_CHECK("protmode CTS");
4915                                 break;
4916                         case IEEE80211_PROTMODE_RTSCTS:
4917                                 LINE_CHECK("protmode RTSCTS");
4918                                 break;
4919                         default:
4920                                 LINE_CHECK("protmode UNKNOWN (0x%x)", val);
4921                                 break;
4922                         }
4923                 }
4924         }
4925
4926         if (IEEE80211_IS_CHAN_HT(c) || verbose) {
4927                 gethtconf(s);
4928                 switch (htconf & 3) {
4929                 case 0:
4930                 case 2:
4931                         LINE_CHECK("-ht");
4932                         break;
4933                 case 1:
4934                         LINE_CHECK("ht20");
4935                         break;
4936                 case 3:
4937                         if (verbose)
4938                                 LINE_CHECK("ht");
4939                         break;
4940                 }
4941                 if (get80211val(s, IEEE80211_IOC_HTCOMPAT, &val) != -1) {
4942                         if (!val)
4943                                 LINE_CHECK("-htcompat");
4944                         else if (verbose)
4945                                 LINE_CHECK("htcompat");
4946                 }
4947                 if (get80211val(s, IEEE80211_IOC_AMPDU, &val) != -1) {
4948                         switch (val) {
4949                         case 0:
4950                                 LINE_CHECK("-ampdu");
4951                                 break;
4952                         case 1:
4953                                 LINE_CHECK("ampdutx -ampdurx");
4954                                 break;
4955                         case 2:
4956                                 LINE_CHECK("-ampdutx ampdurx");
4957                                 break;
4958                         case 3:
4959                                 if (verbose)
4960                                         LINE_CHECK("ampdu");
4961                                 break;
4962                         }
4963                 }
4964                 /* XXX 11ac density/size is different */
4965                 if (get80211val(s, IEEE80211_IOC_AMPDU_LIMIT, &val) != -1) {
4966                         switch (val) {
4967                         case IEEE80211_HTCAP_MAXRXAMPDU_8K:
4968                                 LINE_CHECK("ampdulimit 8k");
4969                                 break;
4970                         case IEEE80211_HTCAP_MAXRXAMPDU_16K:
4971                                 LINE_CHECK("ampdulimit 16k");
4972                                 break;
4973                         case IEEE80211_HTCAP_MAXRXAMPDU_32K:
4974                                 LINE_CHECK("ampdulimit 32k");
4975                                 break;
4976                         case IEEE80211_HTCAP_MAXRXAMPDU_64K:
4977                                 LINE_CHECK("ampdulimit 64k");
4978                                 break;
4979                         }
4980                 }
4981                 /* XXX 11ac density/size is different */
4982                 if (get80211val(s, IEEE80211_IOC_AMPDU_DENSITY, &val) != -1) {
4983                         switch (val) {
4984                         case IEEE80211_HTCAP_MPDUDENSITY_NA:
4985                                 if (verbose)
4986                                         LINE_CHECK("ampdudensity NA");
4987                                 break;
4988                         case IEEE80211_HTCAP_MPDUDENSITY_025:
4989                                 LINE_CHECK("ampdudensity .25");
4990                                 break;
4991                         case IEEE80211_HTCAP_MPDUDENSITY_05:
4992                                 LINE_CHECK("ampdudensity .5");
4993                                 break;
4994                         case IEEE80211_HTCAP_MPDUDENSITY_1:
4995                                 LINE_CHECK("ampdudensity 1");
4996                                 break;
4997                         case IEEE80211_HTCAP_MPDUDENSITY_2:
4998                                 LINE_CHECK("ampdudensity 2");
4999                                 break;
5000                         case IEEE80211_HTCAP_MPDUDENSITY_4:
5001                                 LINE_CHECK("ampdudensity 4");
5002                                 break;
5003                         case IEEE80211_HTCAP_MPDUDENSITY_8:
5004                                 LINE_CHECK("ampdudensity 8");
5005                                 break;
5006                         case IEEE80211_HTCAP_MPDUDENSITY_16:
5007                                 LINE_CHECK("ampdudensity 16");
5008                                 break;
5009                         }
5010                 }
5011                 if (get80211val(s, IEEE80211_IOC_AMSDU, &val) != -1) {
5012                         switch (val) {
5013                         case 0:
5014                                 LINE_CHECK("-amsdu");
5015                                 break;
5016                         case 1:
5017                                 LINE_CHECK("amsdutx -amsdurx");
5018                                 break;
5019                         case 2:
5020                                 LINE_CHECK("-amsdutx amsdurx");
5021                                 break;
5022                         case 3:
5023                                 if (verbose)
5024                                         LINE_CHECK("amsdu");
5025                                 break;
5026                         }
5027                 }
5028                 /* XXX amsdu limit */
5029                 if (get80211val(s, IEEE80211_IOC_SHORTGI, &val) != -1) {
5030                         if (val)
5031                                 LINE_CHECK("shortgi");
5032                         else if (verbose)
5033                                 LINE_CHECK("-shortgi");
5034                 }
5035                 if (get80211val(s, IEEE80211_IOC_HTPROTMODE, &val) != -1) {
5036                         if (val == IEEE80211_PROTMODE_OFF)
5037                                 LINE_CHECK("htprotmode OFF");
5038                         else if (val != IEEE80211_PROTMODE_RTSCTS)
5039                                 LINE_CHECK("htprotmode UNKNOWN (0x%x)", val);
5040                         else if (verbose)
5041                                 LINE_CHECK("htprotmode RTSCTS");
5042                 }
5043                 if (get80211val(s, IEEE80211_IOC_PUREN, &val) != -1) {
5044                         if (val)
5045                                 LINE_CHECK("puren");
5046                         else if (verbose)
5047                                 LINE_CHECK("-puren");
5048                 }
5049                 if (get80211val(s, IEEE80211_IOC_SMPS, &val) != -1) {
5050                         if (val == IEEE80211_HTCAP_SMPS_DYNAMIC)
5051                                 LINE_CHECK("smpsdyn");
5052                         else if (val == IEEE80211_HTCAP_SMPS_ENA)
5053                                 LINE_CHECK("smps");
5054                         else if (verbose)
5055                                 LINE_CHECK("-smps");
5056                 }
5057                 if (get80211val(s, IEEE80211_IOC_RIFS, &val) != -1) {
5058                         if (val)
5059                                 LINE_CHECK("rifs");
5060                         else if (verbose)
5061                                 LINE_CHECK("-rifs");
5062                 }
5063
5064                 /* XXX VHT STBC? */
5065                 if (get80211val(s, IEEE80211_IOC_STBC, &val) != -1) {
5066                         switch (val) {
5067                         case 0:
5068                                 LINE_CHECK("-stbc");
5069                                 break;
5070                         case 1:
5071                                 LINE_CHECK("stbctx -stbcrx");
5072                                 break;
5073                         case 2:
5074                                 LINE_CHECK("-stbctx stbcrx");
5075                                 break;
5076                         case 3:
5077                                 if (verbose)
5078                                         LINE_CHECK("stbc");
5079                                 break;
5080                         }
5081                 }
5082                 if (get80211val(s, IEEE80211_IOC_LDPC, &val) != -1) {
5083                         switch (val) {
5084                         case 0:
5085                                 LINE_CHECK("-ldpc");
5086                                 break;
5087                         case 1:
5088                                 LINE_CHECK("ldpctx -ldpcrx");
5089                                 break;
5090                         case 2:
5091                                 LINE_CHECK("-ldpctx ldpcrx");
5092                                 break;
5093                         case 3:
5094                                 if (verbose)
5095                                         LINE_CHECK("ldpc");
5096                                 break;
5097                         }
5098                 }
5099         }
5100
5101         if (IEEE80211_IS_CHAN_VHT(c) || verbose) {
5102                 getvhtconf(s);
5103                 if (vhtconf & 0x1)
5104                         LINE_CHECK("vht");
5105                 else
5106                         LINE_CHECK("-vht");
5107                 if (vhtconf & 0x2)
5108                         LINE_CHECK("vht40");
5109                 else
5110                         LINE_CHECK("-vht40");
5111                 if (vhtconf & 0x4)
5112                         LINE_CHECK("vht80");
5113                 else
5114                         LINE_CHECK("-vht80");
5115                 if (vhtconf & 0x8)
5116                         LINE_CHECK("vht80p80");
5117                 else
5118                         LINE_CHECK("-vht80p80");
5119                 if (vhtconf & 0x10)
5120                         LINE_CHECK("vht160");
5121                 else
5122                         LINE_CHECK("-vht160");
5123         }
5124
5125         if (get80211val(s, IEEE80211_IOC_WME, &wme) != -1) {
5126                 if (wme)
5127                         LINE_CHECK("wme");
5128                 else if (verbose)
5129                         LINE_CHECK("-wme");
5130         } else
5131                 wme = 0;
5132
5133         if (get80211val(s, IEEE80211_IOC_BURST, &val) != -1) {
5134                 if (val)
5135                         LINE_CHECK("burst");
5136                 else if (verbose)
5137                         LINE_CHECK("-burst");
5138         }
5139
5140         if (get80211val(s, IEEE80211_IOC_FF, &val) != -1) {
5141                 if (val)
5142                         LINE_CHECK("ff");
5143                 else if (verbose)
5144                         LINE_CHECK("-ff");
5145         }
5146         if (get80211val(s, IEEE80211_IOC_TURBOP, &val) != -1) {
5147                 if (val)
5148                         LINE_CHECK("dturbo");
5149                 else if (verbose)
5150                         LINE_CHECK("-dturbo");
5151         }
5152         if (get80211val(s, IEEE80211_IOC_DWDS, &val) != -1) {
5153                 if (val)
5154                         LINE_CHECK("dwds");
5155                 else if (verbose)
5156                         LINE_CHECK("-dwds");
5157         }
5158
5159         if (opmode == IEEE80211_M_HOSTAP) {
5160                 if (get80211val(s, IEEE80211_IOC_HIDESSID, &val) != -1) {
5161                         if (val)
5162                                 LINE_CHECK("hidessid");
5163                         else if (verbose)
5164                                 LINE_CHECK("-hidessid");
5165                 }
5166                 if (get80211val(s, IEEE80211_IOC_APBRIDGE, &val) != -1) {
5167                         if (!val)
5168                                 LINE_CHECK("-apbridge");
5169                         else if (verbose)
5170                                 LINE_CHECK("apbridge");
5171                 }
5172                 if (get80211val(s, IEEE80211_IOC_DTIM_PERIOD, &val) != -1)
5173                         LINE_CHECK("dtimperiod %u", val);
5174
5175                 if (get80211val(s, IEEE80211_IOC_DOTH, &val) != -1) {
5176                         if (!val)
5177                                 LINE_CHECK("-doth");
5178                         else if (verbose)
5179                                 LINE_CHECK("doth");
5180                 }
5181                 if (get80211val(s, IEEE80211_IOC_DFS, &val) != -1) {
5182                         if (!val)
5183                                 LINE_CHECK("-dfs");
5184                         else if (verbose)
5185                                 LINE_CHECK("dfs");
5186                 }
5187                 if (get80211val(s, IEEE80211_IOC_INACTIVITY, &val) != -1) {
5188                         if (!val)
5189                                 LINE_CHECK("-inact");
5190                         else if (verbose)
5191                                 LINE_CHECK("inact");
5192                 }
5193         } else {
5194                 if (get80211val(s, IEEE80211_IOC_ROAMING, &val) != -1) {
5195                         if (val != IEEE80211_ROAMING_AUTO || verbose) {
5196                                 switch (val) {
5197                                 case IEEE80211_ROAMING_DEVICE:
5198                                         LINE_CHECK("roaming DEVICE");
5199                                         break;
5200                                 case IEEE80211_ROAMING_AUTO:
5201                                         LINE_CHECK("roaming AUTO");
5202                                         break;
5203                                 case IEEE80211_ROAMING_MANUAL:
5204                                         LINE_CHECK("roaming MANUAL");
5205                                         break;
5206                                 default:
5207                                         LINE_CHECK("roaming UNKNOWN (0x%x)",
5208                                                 val);
5209                                         break;
5210                                 }
5211                         }
5212                 }
5213         }
5214
5215         if (opmode == IEEE80211_M_AHDEMO) {
5216                 if (get80211val(s, IEEE80211_IOC_TDMA_SLOT, &val) != -1)
5217                         LINE_CHECK("tdmaslot %u", val);
5218                 if (get80211val(s, IEEE80211_IOC_TDMA_SLOTCNT, &val) != -1)
5219                         LINE_CHECK("tdmaslotcnt %u", val);
5220                 if (get80211val(s, IEEE80211_IOC_TDMA_SLOTLEN, &val) != -1)
5221                         LINE_CHECK("tdmaslotlen %u", val);
5222                 if (get80211val(s, IEEE80211_IOC_TDMA_BINTERVAL, &val) != -1)
5223                         LINE_CHECK("tdmabintval %u", val);
5224         } else if (get80211val(s, IEEE80211_IOC_BEACON_INTERVAL, &val) != -1) {
5225                 /* XXX default define not visible */
5226                 if (val != 100 || verbose)
5227                         LINE_CHECK("bintval %u", val);
5228         }
5229
5230         if (wme && verbose) {
5231                 LINE_BREAK();
5232                 list_wme(s);
5233         }
5234
5235         if (opmode == IEEE80211_M_MBSS) {
5236                 if (get80211val(s, IEEE80211_IOC_MESH_TTL, &val) != -1) {
5237                         LINE_CHECK("meshttl %u", val);
5238                 }
5239                 if (get80211val(s, IEEE80211_IOC_MESH_AP, &val) != -1) {
5240                         if (val)
5241                                 LINE_CHECK("meshpeering");
5242                         else
5243                                 LINE_CHECK("-meshpeering");
5244                 }
5245                 if (get80211val(s, IEEE80211_IOC_MESH_FWRD, &val) != -1) {
5246                         if (val)
5247                                 LINE_CHECK("meshforward");
5248                         else
5249                                 LINE_CHECK("-meshforward");
5250                 }
5251                 if (get80211val(s, IEEE80211_IOC_MESH_GATE, &val) != -1) {
5252                         if (val)
5253                                 LINE_CHECK("meshgate");
5254                         else
5255                                 LINE_CHECK("-meshgate");
5256                 }
5257                 if (get80211len(s, IEEE80211_IOC_MESH_PR_METRIC, data, 12,
5258                     &len) != -1) {
5259                         data[len] = '\0';
5260                         LINE_CHECK("meshmetric %s", data);
5261                 }
5262                 if (get80211len(s, IEEE80211_IOC_MESH_PR_PATH, data, 12,
5263                     &len) != -1) {
5264                         data[len] = '\0';
5265                         LINE_CHECK("meshpath %s", data);
5266                 }
5267                 if (get80211val(s, IEEE80211_IOC_HWMP_ROOTMODE, &val) != -1) {
5268                         switch (val) {
5269                         case IEEE80211_HWMP_ROOTMODE_DISABLED:
5270                                 LINE_CHECK("hwmprootmode DISABLED");
5271                                 break;
5272                         case IEEE80211_HWMP_ROOTMODE_NORMAL:
5273                                 LINE_CHECK("hwmprootmode NORMAL");
5274                                 break;
5275                         case IEEE80211_HWMP_ROOTMODE_PROACTIVE:
5276                                 LINE_CHECK("hwmprootmode PROACTIVE");
5277                                 break;
5278                         case IEEE80211_HWMP_ROOTMODE_RANN:
5279                                 LINE_CHECK("hwmprootmode RANN");
5280                                 break;
5281                         default:
5282                                 LINE_CHECK("hwmprootmode UNKNOWN(%d)", val);
5283                                 break;
5284                         }
5285                 }
5286                 if (get80211val(s, IEEE80211_IOC_HWMP_MAXHOPS, &val) != -1) {
5287                         LINE_CHECK("hwmpmaxhops %u", val);
5288                 }
5289         }
5290
5291         LINE_BREAK();
5292 }
5293
5294 static int
5295 get80211(int s, int type, void *data, int len)
5296 {
5297
5298         return (lib80211_get80211(s, name, type, data, len));
5299 }
5300
5301 static int
5302 get80211len(int s, int type, void *data, int len, int *plen)
5303 {
5304
5305         return (lib80211_get80211len(s, name, type, data, len, plen));
5306 }
5307
5308 static int
5309 get80211val(int s, int type, int *val)
5310 {
5311
5312         return (lib80211_get80211val(s, name, type, val));
5313 }
5314
5315 static void
5316 set80211(int s, int type, int val, int len, void *data)
5317 {
5318         int ret;
5319
5320         ret = lib80211_set80211(s, name, type, val, len, data);
5321         if (ret < 0)
5322                 err(1, "SIOCS80211");
5323 }
5324
5325 static const char *
5326 get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp)
5327 {
5328         int len;
5329         int hexstr;
5330         u_int8_t *p;
5331
5332         len = *lenp;
5333         p = buf;
5334         hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x');
5335         if (hexstr)
5336                 val += 2;
5337         for (;;) {
5338                 if (*val == '\0')
5339                         break;
5340                 if (sep != NULL && strchr(sep, *val) != NULL) {
5341                         val++;
5342                         break;
5343                 }
5344                 if (hexstr) {
5345                         if (!isxdigit((u_char)val[0])) {
5346                                 warnx("bad hexadecimal digits");
5347                                 return NULL;
5348                         }
5349                         if (!isxdigit((u_char)val[1])) {
5350                                 warnx("odd count hexadecimal digits");
5351                                 return NULL;
5352                         }
5353                 }
5354                 if (p >= buf + len) {
5355                         if (hexstr)
5356                                 warnx("hexadecimal digits too long");
5357                         else
5358                                 warnx("string too long");
5359                         return NULL;
5360                 }
5361                 if (hexstr) {
5362 #define tohex(x)        (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10)
5363                         *p++ = (tohex((u_char)val[0]) << 4) |
5364                             tohex((u_char)val[1]);
5365 #undef tohex
5366                         val += 2;
5367                 } else
5368                         *p++ = *val++;
5369         }
5370         len = p - buf;
5371         /* The string "-" is treated as the empty string. */
5372         if (!hexstr && len == 1 && buf[0] == '-') {
5373                 len = 0;
5374                 memset(buf, 0, *lenp);
5375         } else if (len < *lenp)
5376                 memset(p, 0, *lenp - len);
5377         *lenp = len;
5378         return val;
5379 }
5380
5381 static void
5382 print_string(const u_int8_t *buf, int len)
5383 {
5384         int i;
5385         int hasspc;
5386
5387         i = 0;
5388         hasspc = 0;
5389         for (; i < len; i++) {
5390                 if (!isprint(buf[i]) && buf[i] != '\0')
5391                         break;
5392                 if (isspace(buf[i]))
5393                         hasspc++;
5394         }
5395         if (i == len) {
5396                 if (hasspc || len == 0 || buf[0] == '\0')
5397                         printf("\"%.*s\"", len, buf);
5398                 else
5399                         printf("%.*s", len, buf);
5400         } else {
5401                 printf("0x");
5402                 for (i = 0; i < len; i++)
5403                         printf("%02x", buf[i]);
5404         }
5405 }
5406
5407 static void
5408 setdefregdomain(int s)
5409 {
5410         struct regdata *rdp = getregdata();
5411         const struct regdomain *rd;
5412
5413         /* Check if regdomain/country was already set by a previous call. */
5414         /* XXX is it possible? */
5415         if (regdomain.regdomain != 0 ||
5416             regdomain.country != CTRY_DEFAULT)
5417                 return;
5418
5419         getregdomain(s);
5420
5421         /* Check if it was already set by the driver. */
5422         if (regdomain.regdomain != 0 ||
5423             regdomain.country != CTRY_DEFAULT)
5424                 return;
5425
5426         /* Set FCC/US as default. */
5427         rd = lib80211_regdomain_findbysku(rdp, SKU_FCC);
5428         if (rd == NULL)
5429                 errx(1, "FCC regdomain was not found");
5430
5431         regdomain.regdomain = rd->sku;
5432         if (rd->cc != NULL)
5433                 defaultcountry(rd);
5434
5435         /* Send changes to net80211. */
5436         setregdomain_cb(s, &regdomain);
5437
5438         /* Cleanup (so it can be overriden by subsequent parameters). */
5439         regdomain.regdomain = 0;
5440         regdomain.country = CTRY_DEFAULT;
5441         regdomain.isocc[0] = 0;
5442         regdomain.isocc[1] = 0;
5443 }
5444
5445 /*
5446  * Virtual AP cloning support.
5447  */
5448 static struct ieee80211_clone_params params = {
5449         .icp_opmode     = IEEE80211_M_STA,      /* default to station mode */
5450 };
5451
5452 static void
5453 wlan_create(int s, struct ifreq *ifr)
5454 {
5455         static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
5456         char orig_name[IFNAMSIZ];
5457
5458         if (params.icp_parent[0] == '\0')
5459                 errx(1, "must specify a parent device (wlandev) when creating "
5460                     "a wlan device");
5461         if (params.icp_opmode == IEEE80211_M_WDS &&
5462             memcmp(params.icp_bssid, zerobssid, sizeof(zerobssid)) == 0)
5463                 errx(1, "no bssid specified for WDS (use wlanbssid)");
5464         ifr->ifr_data = (caddr_t) &params;
5465         if (ioctl(s, SIOCIFCREATE2, ifr) < 0)
5466                 err(1, "SIOCIFCREATE2");
5467
5468         /* XXX preserve original name for ifclonecreate(). */
5469         strlcpy(orig_name, name, sizeof(orig_name));
5470         strlcpy(name, ifr->ifr_name, sizeof(name));
5471
5472         setdefregdomain(s);
5473
5474         strlcpy(name, orig_name, sizeof(name));
5475 }
5476
5477 static
5478 DECL_CMD_FUNC(set80211clone_wlandev, arg, d)
5479 {
5480         strlcpy(params.icp_parent, arg, IFNAMSIZ);
5481 }
5482
5483 static
5484 DECL_CMD_FUNC(set80211clone_wlanbssid, arg, d)
5485 {
5486         const struct ether_addr *ea;
5487
5488         ea = ether_aton(arg);
5489         if (ea == NULL)
5490                 errx(1, "%s: cannot parse bssid", arg);
5491         memcpy(params.icp_bssid, ea->octet, IEEE80211_ADDR_LEN);
5492 }
5493
5494 static
5495 DECL_CMD_FUNC(set80211clone_wlanaddr, arg, d)
5496 {
5497         const struct ether_addr *ea;
5498
5499         ea = ether_aton(arg);
5500         if (ea == NULL)
5501                 errx(1, "%s: cannot parse address", arg);
5502         memcpy(params.icp_macaddr, ea->octet, IEEE80211_ADDR_LEN);
5503         params.icp_flags |= IEEE80211_CLONE_MACADDR;
5504 }
5505
5506 static
5507 DECL_CMD_FUNC(set80211clone_wlanmode, arg, d)
5508 {
5509 #define iseq(a,b)       (strncasecmp(a,b,sizeof(b)-1) == 0)
5510         if (iseq(arg, "sta"))
5511                 params.icp_opmode = IEEE80211_M_STA;
5512         else if (iseq(arg, "ahdemo") || iseq(arg, "adhoc-demo"))
5513                 params.icp_opmode = IEEE80211_M_AHDEMO;
5514         else if (iseq(arg, "ibss") || iseq(arg, "adhoc"))
5515                 params.icp_opmode = IEEE80211_M_IBSS;
5516         else if (iseq(arg, "ap") || iseq(arg, "host"))
5517                 params.icp_opmode = IEEE80211_M_HOSTAP;
5518         else if (iseq(arg, "wds"))
5519                 params.icp_opmode = IEEE80211_M_WDS;
5520         else if (iseq(arg, "monitor"))
5521                 params.icp_opmode = IEEE80211_M_MONITOR;
5522         else if (iseq(arg, "tdma")) {
5523                 params.icp_opmode = IEEE80211_M_AHDEMO;
5524                 params.icp_flags |= IEEE80211_CLONE_TDMA;
5525         } else if (iseq(arg, "mesh") || iseq(arg, "mp")) /* mesh point */
5526                 params.icp_opmode = IEEE80211_M_MBSS;
5527         else
5528                 errx(1, "Don't know to create %s for %s", arg, name);
5529 #undef iseq
5530 }
5531
5532 static void
5533 set80211clone_beacons(const char *val, int d, int s, const struct afswtch *rafp)
5534 {
5535         /* NB: inverted sense */
5536         if (d)
5537                 params.icp_flags &= ~IEEE80211_CLONE_NOBEACONS;
5538         else
5539                 params.icp_flags |= IEEE80211_CLONE_NOBEACONS;
5540 }
5541
5542 static void
5543 set80211clone_bssid(const char *val, int d, int s, const struct afswtch *rafp)
5544 {
5545         if (d)
5546                 params.icp_flags |= IEEE80211_CLONE_BSSID;
5547         else
5548                 params.icp_flags &= ~IEEE80211_CLONE_BSSID;
5549 }
5550
5551 static void
5552 set80211clone_wdslegacy(const char *val, int d, int s, const struct afswtch *rafp)
5553 {
5554         if (d)
5555                 params.icp_flags |= IEEE80211_CLONE_WDSLEGACY;
5556         else
5557                 params.icp_flags &= ~IEEE80211_CLONE_WDSLEGACY;
5558 }
5559
5560 static struct cmd ieee80211_cmds[] = {
5561         DEF_CMD_ARG("ssid",             set80211ssid),
5562         DEF_CMD_ARG("nwid",             set80211ssid),
5563         DEF_CMD_ARG("meshid",           set80211meshid),
5564         DEF_CMD_ARG("stationname",      set80211stationname),
5565         DEF_CMD_ARG("station",          set80211stationname),   /* BSD/OS */
5566         DEF_CMD_ARG("channel",          set80211channel),
5567         DEF_CMD_ARG("authmode",         set80211authmode),
5568         DEF_CMD_ARG("powersavemode",    set80211powersavemode),
5569         DEF_CMD("powersave",    1,      set80211powersave),
5570         DEF_CMD("-powersave",   0,      set80211powersave),
5571         DEF_CMD_ARG("powersavesleep",   set80211powersavesleep),
5572         DEF_CMD_ARG("wepmode",          set80211wepmode),
5573         DEF_CMD("wep",          1,      set80211wep),
5574         DEF_CMD("-wep",         0,      set80211wep),
5575         DEF_CMD_ARG("deftxkey",         set80211weptxkey),
5576         DEF_CMD_ARG("weptxkey",         set80211weptxkey),
5577         DEF_CMD_ARG("wepkey",           set80211wepkey),
5578         DEF_CMD_ARG("nwkey",            set80211nwkey),         /* NetBSD */
5579         DEF_CMD("-nwkey",       0,      set80211wep),           /* NetBSD */
5580         DEF_CMD_ARG("rtsthreshold",     set80211rtsthreshold),
5581         DEF_CMD_ARG("protmode",         set80211protmode),
5582         DEF_CMD_ARG("txpower",          set80211txpower),
5583         DEF_CMD_ARG("roaming",          set80211roaming),
5584         DEF_CMD("wme",          1,      set80211wme),
5585         DEF_CMD("-wme",         0,      set80211wme),
5586         DEF_CMD("wmm",          1,      set80211wme),
5587         DEF_CMD("-wmm",         0,      set80211wme),
5588         DEF_CMD("hidessid",     1,      set80211hidessid),
5589         DEF_CMD("-hidessid",    0,      set80211hidessid),
5590         DEF_CMD("apbridge",     1,      set80211apbridge),
5591         DEF_CMD("-apbridge",    0,      set80211apbridge),
5592         DEF_CMD_ARG("chanlist",         set80211chanlist),
5593         DEF_CMD_ARG("bssid",            set80211bssid),
5594         DEF_CMD_ARG("ap",               set80211bssid),
5595         DEF_CMD("scan", 0,              set80211scan),
5596         DEF_CMD_ARG("list",             set80211list),
5597         DEF_CMD_ARG2("cwmin",           set80211cwmin),
5598         DEF_CMD_ARG2("cwmax",           set80211cwmax),
5599         DEF_CMD_ARG2("aifs",            set80211aifs),
5600         DEF_CMD_ARG2("txoplimit",       set80211txoplimit),
5601         DEF_CMD_ARG("acm",              set80211acm),
5602         DEF_CMD_ARG("-acm",             set80211noacm),
5603         DEF_CMD_ARG("ack",              set80211ackpolicy),
5604         DEF_CMD_ARG("-ack",             set80211noackpolicy),
5605         DEF_CMD_ARG2("bss:cwmin",       set80211bsscwmin),
5606         DEF_CMD_ARG2("bss:cwmax",       set80211bsscwmax),
5607         DEF_CMD_ARG2("bss:aifs",        set80211bssaifs),
5608         DEF_CMD_ARG2("bss:txoplimit",   set80211bsstxoplimit),
5609         DEF_CMD_ARG("dtimperiod",       set80211dtimperiod),
5610         DEF_CMD_ARG("bintval",          set80211bintval),
5611         DEF_CMD("mac:open",     IEEE80211_MACCMD_POLICY_OPEN,   set80211maccmd),
5612         DEF_CMD("mac:allow",    IEEE80211_MACCMD_POLICY_ALLOW,  set80211maccmd),
5613         DEF_CMD("mac:deny",     IEEE80211_MACCMD_POLICY_DENY,   set80211maccmd),
5614         DEF_CMD("mac:radius",   IEEE80211_MACCMD_POLICY_RADIUS, set80211maccmd),
5615         DEF_CMD("mac:flush",    IEEE80211_MACCMD_FLUSH,         set80211maccmd),
5616         DEF_CMD("mac:detach",   IEEE80211_MACCMD_DETACH,        set80211maccmd),
5617         DEF_CMD_ARG("mac:add",          set80211addmac),
5618         DEF_CMD_ARG("mac:del",          set80211delmac),
5619         DEF_CMD_ARG("mac:kick",         set80211kickmac),
5620         DEF_CMD("pureg",        1,      set80211pureg),
5621         DEF_CMD("-pureg",       0,      set80211pureg),
5622         DEF_CMD("ff",           1,      set80211fastframes),
5623         DEF_CMD("-ff",          0,      set80211fastframes),
5624         DEF_CMD("dturbo",       1,      set80211dturbo),
5625         DEF_CMD("-dturbo",      0,      set80211dturbo),
5626         DEF_CMD("bgscan",       1,      set80211bgscan),
5627         DEF_CMD("-bgscan",      0,      set80211bgscan),
5628         DEF_CMD_ARG("bgscanidle",       set80211bgscanidle),
5629         DEF_CMD_ARG("bgscanintvl",      set80211bgscanintvl),
5630         DEF_CMD_ARG("scanvalid",        set80211scanvalid),
5631         DEF_CMD("quiet",        1,      set80211quiet),
5632         DEF_CMD("-quiet",       0,      set80211quiet),
5633         DEF_CMD_ARG("quiet_count",      set80211quietcount),
5634         DEF_CMD_ARG("quiet_period",     set80211quietperiod),
5635         DEF_CMD_ARG("quiet_duration",   set80211quietduration),
5636         DEF_CMD_ARG("quiet_offset",     set80211quietoffset),
5637         DEF_CMD_ARG("roam:rssi",        set80211roamrssi),
5638         DEF_CMD_ARG("roam:rate",        set80211roamrate),
5639         DEF_CMD_ARG("mcastrate",        set80211mcastrate),
5640         DEF_CMD_ARG("ucastrate",        set80211ucastrate),
5641         DEF_CMD_ARG("mgtrate",          set80211mgtrate),
5642         DEF_CMD_ARG("mgmtrate",         set80211mgtrate),
5643         DEF_CMD_ARG("maxretry",         set80211maxretry),
5644         DEF_CMD_ARG("fragthreshold",    set80211fragthreshold),
5645         DEF_CMD("burst",        1,      set80211burst),
5646         DEF_CMD("-burst",       0,      set80211burst),
5647         DEF_CMD_ARG("bmiss",            set80211bmissthreshold),
5648         DEF_CMD_ARG("bmissthreshold",   set80211bmissthreshold),
5649         DEF_CMD("shortgi",      1,      set80211shortgi),
5650         DEF_CMD("-shortgi",     0,      set80211shortgi),
5651         DEF_CMD("ampdurx",      2,      set80211ampdu),
5652         DEF_CMD("-ampdurx",     -2,     set80211ampdu),
5653         DEF_CMD("ampdutx",      1,      set80211ampdu),
5654         DEF_CMD("-ampdutx",     -1,     set80211ampdu),
5655         DEF_CMD("ampdu",        3,      set80211ampdu),         /* NB: tx+rx */
5656         DEF_CMD("-ampdu",       -3,     set80211ampdu),
5657         DEF_CMD_ARG("ampdulimit",       set80211ampdulimit),
5658         DEF_CMD_ARG("ampdudensity",     set80211ampdudensity),
5659         DEF_CMD("amsdurx",      2,      set80211amsdu),
5660         DEF_CMD("-amsdurx",     -2,     set80211amsdu),
5661         DEF_CMD("amsdutx",      1,      set80211amsdu),
5662         DEF_CMD("-amsdutx",     -1,     set80211amsdu),
5663         DEF_CMD("amsdu",        3,      set80211amsdu),         /* NB: tx+rx */
5664         DEF_CMD("-amsdu",       -3,     set80211amsdu),
5665         DEF_CMD_ARG("amsdulimit",       set80211amsdulimit),
5666         DEF_CMD("stbcrx",       2,      set80211stbc),
5667         DEF_CMD("-stbcrx",      -2,     set80211stbc),
5668         DEF_CMD("stbctx",       1,      set80211stbc),
5669         DEF_CMD("-stbctx",      -1,     set80211stbc),
5670         DEF_CMD("stbc",         3,      set80211stbc),          /* NB: tx+rx */
5671         DEF_CMD("-stbc",        -3,     set80211stbc),
5672         DEF_CMD("ldpcrx",       2,      set80211ldpc),
5673         DEF_CMD("-ldpcrx",      -2,     set80211ldpc),
5674         DEF_CMD("ldpctx",       1,      set80211ldpc),
5675         DEF_CMD("-ldpctx",      -1,     set80211ldpc),
5676         DEF_CMD("ldpc",         3,      set80211ldpc),          /* NB: tx+rx */
5677         DEF_CMD("-ldpc",        -3,     set80211ldpc),
5678         DEF_CMD("puren",        1,      set80211puren),
5679         DEF_CMD("-puren",       0,      set80211puren),
5680         DEF_CMD("doth",         1,      set80211doth),
5681         DEF_CMD("-doth",        0,      set80211doth),
5682         DEF_CMD("dfs",          1,      set80211dfs),
5683         DEF_CMD("-dfs",         0,      set80211dfs),
5684         DEF_CMD("htcompat",     1,      set80211htcompat),
5685         DEF_CMD("-htcompat",    0,      set80211htcompat),
5686         DEF_CMD("dwds",         1,      set80211dwds),
5687         DEF_CMD("-dwds",        0,      set80211dwds),
5688         DEF_CMD("inact",        1,      set80211inact),
5689         DEF_CMD("-inact",       0,      set80211inact),
5690         DEF_CMD("tsn",          1,      set80211tsn),
5691         DEF_CMD("-tsn",         0,      set80211tsn),
5692         DEF_CMD_ARG("regdomain",        set80211regdomain),
5693         DEF_CMD_ARG("country",          set80211country),
5694         DEF_CMD("indoor",       'I',    set80211location),
5695         DEF_CMD("-indoor",      'O',    set80211location),
5696         DEF_CMD("outdoor",      'O',    set80211location),
5697         DEF_CMD("-outdoor",     'I',    set80211location),
5698         DEF_CMD("anywhere",     ' ',    set80211location),
5699         DEF_CMD("ecm",          1,      set80211ecm),
5700         DEF_CMD("-ecm",         0,      set80211ecm),
5701         DEF_CMD("dotd",         1,      set80211dotd),
5702         DEF_CMD("-dotd",        0,      set80211dotd),
5703         DEF_CMD_ARG("htprotmode",       set80211htprotmode),
5704         DEF_CMD("ht20",         1,      set80211htconf),
5705         DEF_CMD("-ht20",        0,      set80211htconf),
5706         DEF_CMD("ht40",         3,      set80211htconf),        /* NB: 20+40 */
5707         DEF_CMD("-ht40",        0,      set80211htconf),
5708         DEF_CMD("ht",           3,      set80211htconf),        /* NB: 20+40 */
5709         DEF_CMD("-ht",          0,      set80211htconf),
5710         DEF_CMD("vht",          1,      set80211vhtconf),
5711         DEF_CMD("-vht",         0,      set80211vhtconf),
5712         DEF_CMD("vht40",                2,      set80211vhtconf),
5713         DEF_CMD("-vht40",               -2,     set80211vhtconf),
5714         DEF_CMD("vht80",                4,      set80211vhtconf),
5715         DEF_CMD("-vht80",               -4,     set80211vhtconf),
5716         DEF_CMD("vht80p80",             8,      set80211vhtconf),
5717         DEF_CMD("-vht80p80",            -8,     set80211vhtconf),
5718         DEF_CMD("vht160",               16,     set80211vhtconf),
5719         DEF_CMD("-vht160",              -16,    set80211vhtconf),
5720         DEF_CMD("rifs",         1,      set80211rifs),
5721         DEF_CMD("-rifs",        0,      set80211rifs),
5722         DEF_CMD("smps",         IEEE80211_HTCAP_SMPS_ENA,       set80211smps),
5723         DEF_CMD("smpsdyn",      IEEE80211_HTCAP_SMPS_DYNAMIC,   set80211smps),
5724         DEF_CMD("-smps",        IEEE80211_HTCAP_SMPS_OFF,       set80211smps),
5725         /* XXX for testing */
5726         DEF_CMD_ARG("chanswitch",       set80211chanswitch),
5727
5728         DEF_CMD_ARG("tdmaslot",         set80211tdmaslot),
5729         DEF_CMD_ARG("tdmaslotcnt",      set80211tdmaslotcnt),
5730         DEF_CMD_ARG("tdmaslotlen",      set80211tdmaslotlen),
5731         DEF_CMD_ARG("tdmabintval",      set80211tdmabintval),
5732
5733         DEF_CMD_ARG("meshttl",          set80211meshttl),
5734         DEF_CMD("meshforward",  1,      set80211meshforward),
5735         DEF_CMD("-meshforward", 0,      set80211meshforward),
5736         DEF_CMD("meshgate",     1,      set80211meshgate),
5737         DEF_CMD("-meshgate",    0,      set80211meshgate),
5738         DEF_CMD("meshpeering",  1,      set80211meshpeering),
5739         DEF_CMD("-meshpeering", 0,      set80211meshpeering),
5740         DEF_CMD_ARG("meshmetric",       set80211meshmetric),
5741         DEF_CMD_ARG("meshpath",         set80211meshpath),
5742         DEF_CMD("meshrt:flush", IEEE80211_MESH_RTCMD_FLUSH,     set80211meshrtcmd),
5743         DEF_CMD_ARG("meshrt:add",       set80211addmeshrt),
5744         DEF_CMD_ARG("meshrt:del",       set80211delmeshrt),
5745         DEF_CMD_ARG("hwmprootmode",     set80211hwmprootmode),
5746         DEF_CMD_ARG("hwmpmaxhops",      set80211hwmpmaxhops),
5747
5748         /* vap cloning support */
5749         DEF_CLONE_CMD_ARG("wlanaddr",   set80211clone_wlanaddr),
5750         DEF_CLONE_CMD_ARG("wlanbssid",  set80211clone_wlanbssid),
5751         DEF_CLONE_CMD_ARG("wlandev",    set80211clone_wlandev),
5752         DEF_CLONE_CMD_ARG("wlanmode",   set80211clone_wlanmode),
5753         DEF_CLONE_CMD("beacons", 1,     set80211clone_beacons),
5754         DEF_CLONE_CMD("-beacons", 0,    set80211clone_beacons),
5755         DEF_CLONE_CMD("bssid",  1,      set80211clone_bssid),
5756         DEF_CLONE_CMD("-bssid", 0,      set80211clone_bssid),
5757         DEF_CLONE_CMD("wdslegacy", 1,   set80211clone_wdslegacy),
5758         DEF_CLONE_CMD("-wdslegacy", 0,  set80211clone_wdslegacy),
5759 };
5760 static struct afswtch af_ieee80211 = {
5761         .af_name        = "af_ieee80211",
5762         .af_af          = AF_UNSPEC,
5763         .af_other_status = ieee80211_status,
5764 };
5765
5766 static __constructor void
5767 ieee80211_ctor(void)
5768 {
5769         int i;
5770
5771         for (i = 0; i < nitems(ieee80211_cmds);  i++)
5772                 cmd_register(&ieee80211_cmds[i]);
5773         af_register(&af_ieee80211);
5774         clone_setdefcallback("wlan", wlan_create);
5775 }