sys/net80211/ieee80211_ioctl.c

   1 /*-
   2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
   3  *
   4  * Copyright (c) 2001 Atsushi Onoe
   5  * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include <sys/cdefs.h>
  30 __FBSDID("$FreeBSD$");
  31
  32 /*
  33  * IEEE 802.11 ioctl support (FreeBSD-specific)
  34  */
  35
  36 #include "opt_inet.h"
  37 #include "opt_wlan.h"
  38
  39 #include <sys/endian.h>
  40 #include <sys/param.h>
  41 #include <sys/kernel.h>
  42 #include <sys/malloc.h>
  43 #include <sys/priv.h>
  44 #include <sys/socket.h>
  45 #include <sys/sockio.h>
  46 #include <sys/systm.h>
  47
  48 #include <net/if.h>
  49 #include <net/if_var.h>
  50 #include <net/if_dl.h>
  51 #include <net/if_media.h>
  52 #include <net/ethernet.h>
  53
  54 #ifdef INET
  55 #include <netinet/in.h>
  56 #include <netinet/if_ether.h>
  57 #endif
  58
  59 #include <net80211/ieee80211_var.h>
  60 #include <net80211/ieee80211_ioctl.h>
  61 #include <net80211/ieee80211_regdomain.h>
  62 #include <net80211/ieee80211_input.h>
  63
  64 #define IS_UP_AUTO(_vap) \
  65         (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \
  66          (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO)
  67
  68 static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
  69 static struct ieee80211_channel *findchannel(struct ieee80211com *,
  70                 int ieee, int mode);
  71 static int ieee80211_scanreq(struct ieee80211vap *,
  72                 struct ieee80211_scan_req *);
  73
  74 static int
  75 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
  76 {
  77         struct ieee80211com *ic = vap->iv_ic;
  78         struct ieee80211_node *ni;
  79         struct ieee80211req_key ik;
  80         struct ieee80211_key *wk;
  81         const struct ieee80211_cipher *cip;
  82         u_int kid;
  83         int error;
  84
  85         if (ireq->i_len != sizeof(ik))
  86                 return EINVAL;
  87         error = copyin(ireq->i_data, &ik, sizeof(ik));
  88         if (error)
  89                 return error;
  90         kid = ik.ik_keyix;
  91         if (kid == IEEE80211_KEYIX_NONE) {
  92                 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr);
  93                 if (ni == NULL)
  94                         return ENOENT;
  95                 wk = &ni->ni_ucastkey;
  96         } else {
  97                 if (kid >= IEEE80211_WEP_NKID)
  98                         return EINVAL;
  99                 wk = &vap->iv_nw_keys[kid];
 100                 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr);
 101                 ni = NULL;
 102         }
 103         cip = wk->wk_cipher;
 104         ik.ik_type = cip->ic_cipher;
 105         ik.ik_keylen = wk->wk_keylen;
 106         ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV);
 107         if (wk->wk_keyix == vap->iv_def_txkey)
 108                 ik.ik_flags |= IEEE80211_KEY_DEFAULT;
 109         /* XXX TODO: move priv check to ieee80211_freebsd.c */
 110         if (priv_check(curthread, PRIV_NET80211_VAP_GETKEY) == 0) {
 111                 /* NB: only root can read key data */
 112                 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID];
 113                 ik.ik_keytsc = wk->wk_keytsc;
 114                 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen);
 115                 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) {
 116                         memcpy(ik.ik_keydata+wk->wk_keylen,
 117                                 wk->wk_key + IEEE80211_KEYBUF_SIZE,
 118                                 IEEE80211_MICBUF_SIZE);
 119                         ik.ik_keylen += IEEE80211_MICBUF_SIZE;
 120                 }
 121         } else {
 122                 ik.ik_keyrsc = 0;
 123                 ik.ik_keytsc = 0;
 124                 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata));
 125         }
 126         if (ni != NULL)
 127                 ieee80211_free_node(ni);
 128         return copyout(&ik, ireq->i_data, sizeof(ik));
 129 }
 130
 131 static int
 132 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
 133 {
 134         struct ieee80211com *ic = vap->iv_ic;
 135
 136         if (sizeof(ic->ic_chan_active) < ireq->i_len)
 137                 ireq->i_len = sizeof(ic->ic_chan_active);
 138         return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len);
 139 }
 140
 141 static int
 142 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
 143 {
 144         struct ieee80211com *ic = vap->iv_ic;
 145         uint32_t space;
 146
 147         space = __offsetof(struct ieee80211req_chaninfo,
 148                         ic_chans[ic->ic_nchans]);
 149         if (space > ireq->i_len)
 150                 space = ireq->i_len;
 151         /* XXX assumes compatible layout */
 152         return copyout(&ic->ic_nchans, ireq->i_data, space);
 153 }
 154
 155 static int
 156 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap,
 157         struct ieee80211req *ireq, int req)
 158 {
 159         struct ieee80211_node *ni;
 160         struct ieee80211req_wpaie2 *wpaie;
 161         int error;
 162
 163         if (ireq->i_len < IEEE80211_ADDR_LEN)
 164                 return EINVAL;
 165         wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP,
 166             IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
 167         if (wpaie == NULL)
 168                 return ENOMEM;
 169         error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN);
 170         if (error != 0)
 171                 goto bad;
 172         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr);
 173         if (ni == NULL) {
 174                 error = ENOENT;
 175                 goto bad;
 176         }
 177         if (ni->ni_ies.wpa_ie != NULL) {
 178                 int ielen = ni->ni_ies.wpa_ie[1] + 2;
 179                 if (ielen > sizeof(wpaie->wpa_ie))
 180                         ielen = sizeof(wpaie->wpa_ie);
 181                 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen);
 182         }
 183         if (req == IEEE80211_IOC_WPAIE2) {
 184                 if (ni->ni_ies.rsn_ie != NULL) {
 185                         int ielen = ni->ni_ies.rsn_ie[1] + 2;
 186                         if (ielen > sizeof(wpaie->rsn_ie))
 187                                 ielen = sizeof(wpaie->rsn_ie);
 188                         memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen);
 189                 }
 190                 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2))
 191                         ireq->i_len = sizeof(struct ieee80211req_wpaie2);
 192         } else {
 193                 /* compatibility op, may overwrite wpa ie */
 194                 /* XXX check ic_flags? */
 195                 if (ni->ni_ies.rsn_ie != NULL) {
 196                         int ielen = ni->ni_ies.rsn_ie[1] + 2;
 197                         if (ielen > sizeof(wpaie->wpa_ie))
 198                                 ielen = sizeof(wpaie->wpa_ie);
 199                         memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen);
 200                 }
 201                 if (ireq->i_len > sizeof(struct ieee80211req_wpaie))
 202                         ireq->i_len = sizeof(struct ieee80211req_wpaie);
 203         }
 204         ieee80211_free_node(ni);
 205         error = copyout(wpaie, ireq->i_data, ireq->i_len);
 206 bad:
 207         IEEE80211_FREE(wpaie, M_TEMP);
 208         return error;
 209 }
 210
 211 static int
 212 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
 213 {
 214         struct ieee80211_node *ni;
 215         uint8_t macaddr[IEEE80211_ADDR_LEN];
 216         const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats);
 217         int error;
 218
 219         if (ireq->i_len < off)
 220                 return EINVAL;
 221         error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
 222         if (error != 0)
 223                 return error;
 224         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
 225         if (ni == NULL)
 226                 return ENOENT;
 227         if (ireq->i_len > sizeof(struct ieee80211req_sta_stats))
 228                 ireq->i_len = sizeof(struct ieee80211req_sta_stats);
 229         /* NB: copy out only the statistics */
 230         error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off,
 231                         ireq->i_len - off);
 232         ieee80211_free_node(ni);
 233         return error;
 234 }
 235
 236 struct scanreq {
 237         struct ieee80211req_scan_result *sr;
 238         size_t space;
 239 };
 240
 241 static size_t
 242 scan_space(const struct ieee80211_scan_entry *se, int *ielen)
 243 {
 244         size_t len;
 245
 246         *ielen = se->se_ies.len;
 247         /*
 248          * NB: ie's can be no more than 255 bytes and the max 802.11
 249          * packet is <3Kbytes so we are sure this doesn't overflow
 250          * 16-bits; if this is a concern we can drop the ie's.
 251          */
 252         len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] +
 253             se->se_meshid[1] + *ielen;
 254         return roundup(len, sizeof(uint32_t));
 255 }
 256
 257 static void
 258 get_scan_space(void *arg, const struct ieee80211_scan_entry *se)
 259 {
 260         struct scanreq *req = arg;
 261         int ielen;
 262
 263         req->space += scan_space(se, &ielen);
 264 }
 265
 266 static void
 267 get_scan_result(void *arg, const struct ieee80211_scan_entry *se)
 268 {
 269         struct scanreq *req = arg;
 270         struct ieee80211req_scan_result *sr;
 271         int ielen, len, nr, nxr;
 272         uint8_t *cp;
 273
 274         len = scan_space(se, &ielen);
 275         if (len > req->space)
 276                 return;
 277
 278         sr = req->sr;
 279         KASSERT(len <= 65535 && ielen <= 65535,
 280             ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen));
 281         sr->isr_len = len;
 282         sr->isr_ie_off = sizeof(struct ieee80211req_scan_result);
 283         sr->isr_ie_len = ielen;
 284         sr->isr_freq = se->se_chan->ic_freq;
 285         sr->isr_flags = se->se_chan->ic_flags;
 286         sr->isr_rssi = se->se_rssi;
 287         sr->isr_noise = se->se_noise;
 288         sr->isr_intval = se->se_intval;
 289         sr->isr_capinfo = se->se_capinfo;
 290         sr->isr_erp = se->se_erp;
 291         IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid);
 292         nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE);
 293         memcpy(sr->isr_rates, se->se_rates+2, nr);
 294         nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr);
 295         memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr);
 296         sr->isr_nrates = nr + nxr;
 297
 298         /* copy SSID */
 299         sr->isr_ssid_len = se->se_ssid[1];
 300         cp = ((uint8_t *)sr) + sr->isr_ie_off;
 301         memcpy(cp, se->se_ssid+2, sr->isr_ssid_len);
 302
 303         /* copy mesh id */
 304         cp += sr->isr_ssid_len;
 305         sr->isr_meshid_len = se->se_meshid[1];
 306         memcpy(cp, se->se_meshid+2, sr->isr_meshid_len);
 307         cp += sr->isr_meshid_len;
 308
 309         if (ielen)
 310                 memcpy(cp, se->se_ies.data, ielen);
 311
 312         req->space -= len;
 313         req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len);
 314 }
 315
 316 static int
 317 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap,
 318         struct ieee80211req *ireq)
 319 {
 320         struct scanreq req;
 321         int error;
 322
 323         if (ireq->i_len < sizeof(struct scanreq))
 324                 return EFAULT;
 325
 326         error = 0;
 327         req.space = 0;
 328         ieee80211_scan_iterate(vap, get_scan_space, &req);
 329         if (req.space > ireq->i_len)
 330                 req.space = ireq->i_len;
 331         if (req.space > 0) {
 332                 uint32_t space;
 333                 void *p;
 334
 335                 space = req.space;
 336                 /* XXX M_WAITOK after driver lock released */
 337                 p = IEEE80211_MALLOC(space, M_TEMP,
 338                     IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
 339                 if (p == NULL)
 340                         return ENOMEM;
 341                 req.sr = p;
 342                 ieee80211_scan_iterate(vap, get_scan_result, &req);
 343                 ireq->i_len = space - req.space;
 344                 error = copyout(p, ireq->i_data, ireq->i_len);
 345                 IEEE80211_FREE(p, M_TEMP);
 346         } else
 347                 ireq->i_len = 0;
 348
 349         return error;
 350 }
 351
 352 struct stainforeq {
 353         struct ieee80211req_sta_info *si;
 354         size_t  space;
 355 };
 356
 357 static size_t
 358 sta_space(const struct ieee80211_node *ni, size_t *ielen)
 359 {
 360         *ielen = ni->ni_ies.len;
 361         return roundup(sizeof(struct ieee80211req_sta_info) + *ielen,
 362                       sizeof(uint32_t));
 363 }
 364
 365 static void
 366 get_sta_space(void *arg, struct ieee80211_node *ni)
 367 {
 368         struct stainforeq *req = arg;
 369         size_t ielen;
 370
 371         if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP &&
 372             ni->ni_associd == 0)        /* only associated stations */
 373                 return;
 374         req->space += sta_space(ni, &ielen);
 375 }
 376
 377 static void
 378 get_sta_info(void *arg, struct ieee80211_node *ni)
 379 {
 380         struct stainforeq *req = arg;
 381         struct ieee80211vap *vap = ni->ni_vap;
 382         struct ieee80211req_sta_info *si;
 383         size_t ielen, len;
 384         uint8_t *cp;
 385
 386         if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
 387             ni->ni_associd == 0)        /* only associated stations */
 388                 return;
 389         if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */
 390                 return;
 391         len = sta_space(ni, &ielen);
 392         if (len > req->space)
 393                 return;
 394         si = req->si;
 395         si->isi_len = len;
 396         si->isi_ie_off = sizeof(struct ieee80211req_sta_info);
 397         si->isi_ie_len = ielen;
 398         si->isi_freq = ni->ni_chan->ic_freq;
 399         si->isi_flags = ni->ni_chan->ic_flags;
 400         si->isi_state = ni->ni_flags;
 401         si->isi_authmode = ni->ni_authmode;
 402         vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise);
 403         vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo);
 404         si->isi_capinfo = ni->ni_capinfo;
 405         si->isi_erp = ni->ni_erp;
 406         IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr);
 407         si->isi_nrates = ni->ni_rates.rs_nrates;
 408         if (si->isi_nrates > 15)
 409                 si->isi_nrates = 15;
 410         memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates);
 411         si->isi_txrate = ni->ni_txrate;
 412         if (si->isi_txrate & IEEE80211_RATE_MCS) {
 413                 const struct ieee80211_mcs_rates *mcs =
 414                     &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS];
 415                 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) {
 416                         if (ni->ni_flags & IEEE80211_NODE_SGI40)
 417                                 si->isi_txmbps = mcs->ht40_rate_800ns;
 418                         else
 419                                 si->isi_txmbps = mcs->ht40_rate_400ns;
 420                 } else {
 421                         if (ni->ni_flags & IEEE80211_NODE_SGI20)
 422                                 si->isi_txmbps = mcs->ht20_rate_800ns;
 423                         else
 424                                 si->isi_txmbps = mcs->ht20_rate_400ns;
 425                 }
 426         } else
 427                 si->isi_txmbps = si->isi_txrate;
 428         si->isi_associd = ni->ni_associd;
 429         si->isi_txpower = ni->ni_txpower;
 430         si->isi_vlan = ni->ni_vlan;
 431         if (ni->ni_flags & IEEE80211_NODE_QOS) {
 432                 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs));
 433                 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs));
 434         } else {
 435                 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID];
 436                 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID];
 437         }
 438         /* NB: leave all cases in case we relax ni_associd == 0 check */
 439         if (ieee80211_node_is_authorized(ni))
 440                 si->isi_inact = vap->iv_inact_run;
 441         else if (ni->ni_associd != 0 ||
 442             (vap->iv_opmode == IEEE80211_M_WDS &&
 443              (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY)))
 444                 si->isi_inact = vap->iv_inact_auth;
 445         else
 446                 si->isi_inact = vap->iv_inact_init;
 447         si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT;
 448         si->isi_localid = ni->ni_mllid;
 449         si->isi_peerid = ni->ni_mlpid;
 450         si->isi_peerstate = ni->ni_mlstate;
 451
 452         if (ielen) {
 453                 cp = ((uint8_t *)si) + si->isi_ie_off;
 454                 memcpy(cp, ni->ni_ies.data, ielen);
 455         }
 456
 457         req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len);
 458         req->space -= len;
 459 }
 460
 461 static int
 462 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq,
 463         struct ieee80211_node *ni, size_t off)
 464 {
 465         struct ieee80211com *ic = vap->iv_ic;
 466         struct stainforeq req;
 467         size_t space;
 468         void *p;
 469         int error;
 470
 471         error = 0;
 472         req.space = 0;
 473         if (ni == NULL) {
 474                 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_sta_space,
 475                     &req);
 476         } else
 477                 get_sta_space(&req, ni);
 478         if (req.space > ireq->i_len)
 479                 req.space = ireq->i_len;
 480         if (req.space > 0) {
 481                 space = req.space;
 482                 /* XXX M_WAITOK after driver lock released */
 483                 p = IEEE80211_MALLOC(space, M_TEMP,
 484                     IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
 485                 if (p == NULL) {
 486                         error = ENOMEM;
 487                         goto bad;
 488                 }
 489                 req.si = p;
 490                 if (ni == NULL) {
 491                         ieee80211_iterate_nodes_vap(&ic->ic_sta, vap,
 492                             get_sta_info, &req);
 493                 } else
 494                         get_sta_info(&req, ni);
 495                 ireq->i_len = space - req.space;
 496                 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len);
 497                 IEEE80211_FREE(p, M_TEMP);
 498         } else
 499                 ireq->i_len = 0;
 500 bad:
 501         if (ni != NULL)
 502                 ieee80211_free_node(ni);
 503         return error;
 504 }
 505
 506 static int
 507 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
 508 {
 509         uint8_t macaddr[IEEE80211_ADDR_LEN];
 510         const size_t off = __offsetof(struct ieee80211req_sta_req, info);
 511         struct ieee80211_node *ni;
 512         int error;
 513
 514         if (ireq->i_len < sizeof(struct ieee80211req_sta_req))
 515                 return EFAULT;
 516         error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
 517         if (error != 0)
 518                 return error;
 519         if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) {
 520                 ni = NULL;
 521         } else {
 522                 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
 523                 if (ni == NULL)
 524                         return ENOENT;
 525         }
 526         return getstainfo_common(vap, ireq, ni, off);
 527 }
 528
 529 static int
 530 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
 531 {
 532         struct ieee80211_node *ni;
 533         struct ieee80211req_sta_txpow txpow;
 534         int error;
 535
 536         if (ireq->i_len != sizeof(txpow))
 537                 return EINVAL;
 538         error = copyin(ireq->i_data, &txpow, sizeof(txpow));
 539         if (error != 0)
 540                 return error;
 541         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
 542         if (ni == NULL)
 543                 return ENOENT;
 544         txpow.it_txpow = ni->ni_txpower;
 545         error = copyout(&txpow, ireq->i_data, sizeof(txpow));
 546         ieee80211_free_node(ni);
 547         return error;
 548 }
 549
 550 static int
 551 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
 552 {
 553         struct ieee80211com *ic = vap->iv_ic;
 554         struct ieee80211_wme_state *wme = &ic->ic_wme;
 555         struct wmeParams *wmep;
 556         int ac;
 557
 558         if ((ic->ic_caps & IEEE80211_C_WME) == 0)
 559                 return EINVAL;
 560
 561         ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
 562         if (ac >= WME_NUM_AC)
 563                 ac = WME_AC_BE;
 564         if (ireq->i_len & IEEE80211_WMEPARAM_BSS)
 565                 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
 566         else
 567                 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
 568         switch (ireq->i_type) {
 569         case IEEE80211_IOC_WME_CWMIN:           /* WME: CWmin */
 570                 ireq->i_val = wmep->wmep_logcwmin;
 571                 break;
 572         case IEEE80211_IOC_WME_CWMAX:           /* WME: CWmax */
 573                 ireq->i_val = wmep->wmep_logcwmax;
 574                 break;
 575         case IEEE80211_IOC_WME_AIFS:            /* WME: AIFS */
 576                 ireq->i_val = wmep->wmep_aifsn;
 577                 break;
 578         case IEEE80211_IOC_WME_TXOPLIMIT:       /* WME: txops limit */
 579                 ireq->i_val = wmep->wmep_txopLimit;
 580                 break;
 581         case IEEE80211_IOC_WME_ACM:             /* WME: ACM (bss only) */
 582                 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
 583                 ireq->i_val = wmep->wmep_acm;
 584                 break;
 585         case IEEE80211_IOC_WME_ACKPOLICY:       /* WME: ACK policy (!bss only)*/
 586                 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
 587                 ireq->i_val = !wmep->wmep_noackPolicy;
 588                 break;
 589         }
 590         return 0;
 591 }
 592
 593 static int
 594 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
 595 {
 596         const struct ieee80211_aclator *acl = vap->iv_acl;
 597
 598         return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq));
 599 }
 600
 601 static int
 602 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq)
 603 {
 604         struct ieee80211com *ic = vap->iv_ic;
 605         struct ieee80211_channel *c;
 606
 607         if (ireq->i_len != sizeof(struct ieee80211_channel))
 608                 return EINVAL;
 609         /*
 610          * vap's may have different operating channels when HT is
 611          * in use.  When in RUN state report the vap-specific channel.
 612          * Otherwise return curchan.
 613          */
 614         if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)
 615                 c = vap->iv_bss->ni_chan;
 616         else
 617                 c = ic->ic_curchan;
 618         return copyout(c, ireq->i_data, sizeof(*c));
 619 }
 620
 621 static int
 622 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq)
 623 {
 624         if (aie == NULL)
 625                 return EINVAL;
 626         /* NB: truncate, caller can check length */
 627         if (ireq->i_len > aie->ie_len)
 628                 ireq->i_len = aie->ie_len;
 629         return copyout(aie->ie_data, ireq->i_data, ireq->i_len);
 630 }
 631
 632 static int
 633 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq)
 634 {
 635         uint8_t fc0;
 636
 637         fc0 = ireq->i_val & 0xff;
 638         if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
 639                 return EINVAL;
 640         /* NB: could check iv_opmode and reject but hardly worth the effort */
 641         switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
 642         case IEEE80211_FC0_SUBTYPE_BEACON:
 643                 return getappie(vap->iv_appie_beacon, ireq);
 644         case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
 645                 return getappie(vap->iv_appie_proberesp, ireq);
 646         case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
 647                 return getappie(vap->iv_appie_assocresp, ireq);
 648         case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
 649                 return getappie(vap->iv_appie_probereq, ireq);
 650         case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
 651                 return getappie(vap->iv_appie_assocreq, ireq);
 652         case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP:
 653                 return getappie(vap->iv_appie_wpa, ireq);
 654         }
 655         return EINVAL;
 656 }
 657
 658 static int
 659 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap,
 660         const struct ieee80211req *ireq)
 661 {
 662         struct ieee80211com *ic = vap->iv_ic;
 663
 664         if (ireq->i_len != sizeof(ic->ic_regdomain))
 665                 return EINVAL;
 666         return copyout(&ic->ic_regdomain, ireq->i_data,
 667             sizeof(ic->ic_regdomain));
 668 }
 669
 670 static int
 671 ieee80211_ioctl_getroam(struct ieee80211vap *vap,
 672         const struct ieee80211req *ireq)
 673 {
 674         size_t len = ireq->i_len;
 675         /* NB: accept short requests for backwards compat */
 676         if (len > sizeof(vap->iv_roamparms))
 677                 len = sizeof(vap->iv_roamparms);
 678         return copyout(vap->iv_roamparms, ireq->i_data, len);
 679 }
 680
 681 static int
 682 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap,
 683         const struct ieee80211req *ireq)
 684 {
 685         size_t len = ireq->i_len;
 686         /* NB: accept short requests for backwards compat */
 687         if (len > sizeof(vap->iv_txparms))
 688                 len = sizeof(vap->iv_txparms);
 689         return copyout(vap->iv_txparms, ireq->i_data, len);
 690 }
 691
 692 static int
 693 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic,
 694         const struct ieee80211req *ireq)
 695 {
 696         struct ieee80211_devcaps_req *dc;
 697         struct ieee80211req_chaninfo *ci;
 698         int maxchans, error;
 699
 700         maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) /
 701             sizeof(struct ieee80211_channel));
 702         /* NB: require 1 so we know ic_nchans is accessible */
 703         if (maxchans < 1)
 704                 return EINVAL;
 705         /* constrain max request size, 2K channels is ~24Kbytes */
 706         if (maxchans > 2048)
 707                 maxchans = 2048;
 708         dc = (struct ieee80211_devcaps_req *)
 709             IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP,
 710             IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
 711         if (dc == NULL)
 712                 return ENOMEM;
 713         dc->dc_drivercaps = ic->ic_caps;
 714         dc->dc_cryptocaps = ic->ic_cryptocaps;
 715         dc->dc_htcaps = ic->ic_htcaps;
 716         dc->dc_vhtcaps = ic->ic_vhtcaps;
 717         ci = &dc->dc_chaninfo;
 718         ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans);
 719         KASSERT(ci->ic_nchans <= maxchans,
 720             ("nchans %d maxchans %d", ci->ic_nchans, maxchans));
 721         ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans);
 722         error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc));
 723         IEEE80211_FREE(dc, M_TEMP);
 724         return error;
 725 }
 726
 727 static int
 728 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
 729 {
 730         struct ieee80211_node *ni;
 731         struct ieee80211req_sta_vlan vlan;
 732         int error;
 733
 734         if (ireq->i_len != sizeof(vlan))
 735                 return EINVAL;
 736         error = copyin(ireq->i_data, &vlan, sizeof(vlan));
 737         if (error != 0)
 738                 return error;
 739         if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
 740                 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
 741                     vlan.sv_macaddr);
 742                 if (ni == NULL)
 743                         return ENOENT;
 744         } else
 745                 ni = ieee80211_ref_node(vap->iv_bss);
 746         vlan.sv_vlan = ni->ni_vlan;
 747         error = copyout(&vlan, ireq->i_data, sizeof(vlan));
 748         ieee80211_free_node(ni);
 749         return error;
 750 }
 751
 752 /*
 753  * Dummy ioctl get handler so the linker set is defined.
 754  */
 755 static int
 756 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq)
 757 {
 758         return ENOSYS;
 759 }
 760 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get);
 761
 762 static int
 763 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
 764 {
 765         ieee80211_ioctl_getfunc * const *get;
 766         int error;
 767
 768         SET_FOREACH(get, ieee80211_ioctl_getset) {
 769                 error = (*get)(vap, ireq);
 770                 if (error != ENOSYS)
 771                         return error;
 772         }
 773         return EINVAL;
 774 }
 775
 776 static int
 777 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd,
 778     struct ieee80211req *ireq)
 779 {
 780         struct ieee80211com *ic = vap->iv_ic;
 781         u_int kid, len;
 782         uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
 783         char tmpssid[IEEE80211_NWID_LEN];
 784         int error = 0;
 785
 786         switch (ireq->i_type) {
 787         case IEEE80211_IOC_IC_NAME:
 788                 len = strlen(ic->ic_name) + 1;
 789                 if (len > ireq->i_len)
 790                         return (EINVAL);
 791                 ireq->i_len = len;
 792                 error = copyout(ic->ic_name, ireq->i_data, ireq->i_len);
 793                 break;
 794         case IEEE80211_IOC_SSID:
 795                 switch (vap->iv_state) {
 796                 case IEEE80211_S_INIT:
 797                 case IEEE80211_S_SCAN:
 798                         ireq->i_len = vap->iv_des_ssid[0].len;
 799                         memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len);
 800                         break;
 801                 default:
 802                         ireq->i_len = vap->iv_bss->ni_esslen;
 803                         memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len);
 804                         break;
 805                 }
 806                 error = copyout(tmpssid, ireq->i_data, ireq->i_len);
 807                 break;
 808         case IEEE80211_IOC_NUMSSIDS:
 809                 ireq->i_val = 1;
 810                 break;
 811         case IEEE80211_IOC_WEP:
 812                 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0)
 813                         ireq->i_val = IEEE80211_WEP_OFF;
 814                 else if (vap->iv_flags & IEEE80211_F_DROPUNENC)
 815                         ireq->i_val = IEEE80211_WEP_ON;
 816                 else
 817                         ireq->i_val = IEEE80211_WEP_MIXED;
 818                 break;
 819         case IEEE80211_IOC_WEPKEY:
 820                 kid = (u_int) ireq->i_val;
 821                 if (kid >= IEEE80211_WEP_NKID)
 822                         return EINVAL;
 823                 len = (u_int) vap->iv_nw_keys[kid].wk_keylen;
 824                 /* NB: only root can read WEP keys */
 825                 /* XXX TODO: move priv check to ieee80211_freebsd.c */
 826                 if (priv_check(curthread, PRIV_NET80211_VAP_GETKEY) == 0) {
 827                         bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len);
 828                 } else {
 829                         bzero(tmpkey, len);
 830                 }
 831                 ireq->i_len = len;
 832                 error = copyout(tmpkey, ireq->i_data, len);
 833                 break;
 834         case IEEE80211_IOC_NUMWEPKEYS:
 835                 ireq->i_val = IEEE80211_WEP_NKID;
 836                 break;
 837         case IEEE80211_IOC_WEPTXKEY:
 838                 ireq->i_val = vap->iv_def_txkey;
 839                 break;
 840         case IEEE80211_IOC_AUTHMODE:
 841                 if (vap->iv_flags & IEEE80211_F_WPA)
 842                         ireq->i_val = IEEE80211_AUTH_WPA;
 843                 else
 844                         ireq->i_val = vap->iv_bss->ni_authmode;
 845                 break;
 846         case IEEE80211_IOC_CHANNEL:
 847                 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan);
 848                 break;
 849         case IEEE80211_IOC_POWERSAVE:
 850                 if (vap->iv_flags & IEEE80211_F_PMGTON)
 851                         ireq->i_val = IEEE80211_POWERSAVE_ON;
 852                 else
 853                         ireq->i_val = IEEE80211_POWERSAVE_OFF;
 854                 break;
 855         case IEEE80211_IOC_POWERSAVESLEEP:
 856                 ireq->i_val = ic->ic_lintval;
 857                 break;
 858         case IEEE80211_IOC_RTSTHRESHOLD:
 859                 ireq->i_val = vap->iv_rtsthreshold;
 860                 break;
 861         case IEEE80211_IOC_PROTMODE:
 862                 ireq->i_val = vap->iv_protmode;
 863                 break;
 864         case IEEE80211_IOC_TXPOWER:
 865                 /*
 866                  * Tx power limit is the min of max regulatory
 867                  * power, any user-set limit, and the max the
 868                  * radio can do.
 869                  *
 870                  * TODO: methodize this
 871                  */
 872                 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower;
 873                 if (ireq->i_val > ic->ic_txpowlimit)
 874                         ireq->i_val = ic->ic_txpowlimit;
 875                 if (ireq->i_val > ic->ic_curchan->ic_maxpower)
 876                         ireq->i_val = ic->ic_curchan->ic_maxpower;
 877                 break;
 878         case IEEE80211_IOC_WPA:
 879                 switch (vap->iv_flags & IEEE80211_F_WPA) {
 880                 case IEEE80211_F_WPA1:
 881                         ireq->i_val = 1;
 882                         break;
 883                 case IEEE80211_F_WPA2:
 884                         ireq->i_val = 2;
 885                         break;
 886                 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2:
 887                         ireq->i_val = 3;
 888                         break;
 889                 default:
 890                         ireq->i_val = 0;
 891                         break;
 892                 }
 893                 break;
 894         case IEEE80211_IOC_CHANLIST:
 895                 error = ieee80211_ioctl_getchanlist(vap, ireq);
 896                 break;
 897         case IEEE80211_IOC_ROAMING:
 898                 ireq->i_val = vap->iv_roaming;
 899                 break;
 900         case IEEE80211_IOC_PRIVACY:
 901                 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0;
 902                 break;
 903         case IEEE80211_IOC_DROPUNENCRYPTED:
 904                 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0;
 905                 break;
 906         case IEEE80211_IOC_COUNTERMEASURES:
 907                 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0;
 908                 break;
 909         case IEEE80211_IOC_WME:
 910                 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0;
 911                 break;
 912         case IEEE80211_IOC_HIDESSID:
 913                 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0;
 914                 break;
 915         case IEEE80211_IOC_APBRIDGE:
 916                 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0;
 917                 break;
 918         case IEEE80211_IOC_WPAKEY:
 919                 error = ieee80211_ioctl_getkey(vap, ireq);
 920                 break;
 921         case IEEE80211_IOC_CHANINFO:
 922                 error = ieee80211_ioctl_getchaninfo(vap, ireq);
 923                 break;
 924         case IEEE80211_IOC_BSSID:
 925                 if (ireq->i_len != IEEE80211_ADDR_LEN)
 926                         return EINVAL;
 927                 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) {
 928                         error = copyout(vap->iv_opmode == IEEE80211_M_WDS ?
 929                             vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid,
 930                             ireq->i_data, ireq->i_len);
 931                 } else
 932                         error = copyout(vap->iv_des_bssid, ireq->i_data,
 933                             ireq->i_len);
 934                 break;
 935         case IEEE80211_IOC_WPAIE:
 936         case IEEE80211_IOC_WPAIE2:
 937                 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
 938                 break;
 939         case IEEE80211_IOC_SCAN_RESULTS:
 940                 error = ieee80211_ioctl_getscanresults(vap, ireq);
 941                 break;
 942         case IEEE80211_IOC_STA_STATS:
 943                 error = ieee80211_ioctl_getstastats(vap, ireq);
 944                 break;
 945         case IEEE80211_IOC_TXPOWMAX:
 946                 ireq->i_val = vap->iv_bss->ni_txpower;
 947                 break;
 948         case IEEE80211_IOC_STA_TXPOW:
 949                 error = ieee80211_ioctl_getstatxpow(vap, ireq);
 950                 break;
 951         case IEEE80211_IOC_STA_INFO:
 952                 error = ieee80211_ioctl_getstainfo(vap, ireq);
 953                 break;
 954         case IEEE80211_IOC_WME_CWMIN:           /* WME: CWmin */
 955         case IEEE80211_IOC_WME_CWMAX:           /* WME: CWmax */
 956         case IEEE80211_IOC_WME_AIFS:            /* WME: AIFS */
 957         case IEEE80211_IOC_WME_TXOPLIMIT:       /* WME: txops limit */
 958         case IEEE80211_IOC_WME_ACM:             /* WME: ACM (bss only) */
 959         case IEEE80211_IOC_WME_ACKPOLICY:       /* WME: ACK policy (!bss only) */
 960                 error = ieee80211_ioctl_getwmeparam(vap, ireq);
 961                 break;
 962         case IEEE80211_IOC_DTIM_PERIOD:
 963                 ireq->i_val = vap->iv_dtim_period;
 964                 break;
 965         case IEEE80211_IOC_BEACON_INTERVAL:
 966                 /* NB: get from ic_bss for station mode */
 967                 ireq->i_val = vap->iv_bss->ni_intval;
 968                 break;
 969         case IEEE80211_IOC_PUREG:
 970                 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0;
 971                 break;
 972         case IEEE80211_IOC_QUIET:
 973                 ireq->i_val = vap->iv_quiet;
 974                 break;
 975         case IEEE80211_IOC_QUIET_COUNT:
 976                 ireq->i_val = vap->iv_quiet_count;
 977                 break;
 978         case IEEE80211_IOC_QUIET_PERIOD:
 979                 ireq->i_val = vap->iv_quiet_period;
 980                 break;
 981         case IEEE80211_IOC_QUIET_DUR:
 982                 ireq->i_val = vap->iv_quiet_duration;
 983                 break;
 984         case IEEE80211_IOC_QUIET_OFFSET:
 985                 ireq->i_val = vap->iv_quiet_offset;
 986                 break;
 987         case IEEE80211_IOC_BGSCAN:
 988                 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0;
 989                 break;
 990         case IEEE80211_IOC_BGSCAN_IDLE:
 991                 ireq->i_val = vap->iv_bgscanidle*hz/1000;       /* ms */
 992                 break;
 993         case IEEE80211_IOC_BGSCAN_INTERVAL:
 994                 ireq->i_val = vap->iv_bgscanintvl/hz;           /* seconds */
 995                 break;
 996         case IEEE80211_IOC_SCANVALID:
 997                 ireq->i_val = vap->iv_scanvalid/hz;             /* seconds */
 998                 break;
 999         case IEEE80211_IOC_FRAGTHRESHOLD:
1000                 ireq->i_val = vap->iv_fragthreshold;
1001                 break;
1002         case IEEE80211_IOC_MACCMD:
1003                 error = ieee80211_ioctl_getmaccmd(vap, ireq);
1004                 break;
1005         case IEEE80211_IOC_BURST:
1006                 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0;
1007                 break;
1008         case IEEE80211_IOC_BMISSTHRESHOLD:
1009                 ireq->i_val = vap->iv_bmissthreshold;
1010                 break;
1011         case IEEE80211_IOC_CURCHAN:
1012                 error = ieee80211_ioctl_getcurchan(vap, ireq);
1013                 break;
1014         case IEEE80211_IOC_SHORTGI:
1015                 ireq->i_val = 0;
1016                 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20)
1017                         ireq->i_val |= IEEE80211_HTCAP_SHORTGI20;
1018                 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40)
1019                         ireq->i_val |= IEEE80211_HTCAP_SHORTGI40;
1020                 break;
1021         case IEEE80211_IOC_AMPDU:
1022                 ireq->i_val = 0;
1023                 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX)
1024                         ireq->i_val |= 1;
1025                 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX)
1026                         ireq->i_val |= 2;
1027                 break;
1028         case IEEE80211_IOC_AMPDU_LIMIT:
1029                 /* XXX TODO: make this a per-node thing; and leave this as global */
1030                 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
1031                         ireq->i_val = vap->iv_ampdu_rxmax;
1032                 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)
1033                         /*
1034                          * XXX TODO: this isn't completely correct, as we've
1035                          * negotiated the higher of the two.
1036                          */
1037                         ireq->i_val = _IEEE80211_MASKSHIFT( vap->iv_bss->ni_htparam,
1038                             IEEE80211_HTCAP_MAXRXAMPDU);
1039                 else
1040                         ireq->i_val = vap->iv_ampdu_limit;
1041                 break;
1042         case IEEE80211_IOC_AMPDU_DENSITY:
1043                 /* XXX TODO: make this a per-node thing; and leave this as global */
1044                 if (vap->iv_opmode == IEEE80211_M_STA &&
1045                     (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP))
1046                         /*
1047                          * XXX TODO: this isn't completely correct, as we've
1048                          * negotiated the higher of the two.
1049                          */
1050                         ireq->i_val = _IEEE80211_MASKSHIFT(vap->iv_bss->ni_htparam,
1051                             IEEE80211_HTCAP_MPDUDENSITY);
1052                 else
1053                         ireq->i_val = vap->iv_ampdu_density;
1054                 break;
1055         case IEEE80211_IOC_AMSDU:
1056                 ireq->i_val = 0;
1057                 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
1058                         ireq->i_val |= 1;
1059                 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX)
1060                         ireq->i_val |= 2;
1061                 break;
1062         case IEEE80211_IOC_AMSDU_LIMIT:
1063                 ireq->i_val = vap->iv_amsdu_limit;      /* XXX truncation? */
1064                 break;
1065         case IEEE80211_IOC_PUREN:
1066                 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0;
1067                 break;
1068         case IEEE80211_IOC_DOTH:
1069                 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0;
1070                 break;
1071         case IEEE80211_IOC_REGDOMAIN:
1072                 error = ieee80211_ioctl_getregdomain(vap, ireq);
1073                 break;
1074         case IEEE80211_IOC_ROAM:
1075                 error = ieee80211_ioctl_getroam(vap, ireq);
1076                 break;
1077         case IEEE80211_IOC_TXPARAMS:
1078                 error = ieee80211_ioctl_gettxparams(vap, ireq);
1079                 break;
1080         case IEEE80211_IOC_HTCOMPAT:
1081                 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0;
1082                 break;
1083         case IEEE80211_IOC_DWDS:
1084                 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0;
1085                 break;
1086         case IEEE80211_IOC_INACTIVITY:
1087                 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0;
1088                 break;
1089         case IEEE80211_IOC_APPIE:
1090                 error = ieee80211_ioctl_getappie(vap, ireq);
1091                 break;
1092         case IEEE80211_IOC_WPS:
1093                 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0;
1094                 break;
1095         case IEEE80211_IOC_TSN:
1096                 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0;
1097                 break;
1098         case IEEE80211_IOC_DFS:
1099                 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0;
1100                 break;
1101         case IEEE80211_IOC_DOTD:
1102                 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0;
1103                 break;
1104         case IEEE80211_IOC_DEVCAPS:
1105                 error = ieee80211_ioctl_getdevcaps(ic, ireq);
1106                 break;
1107         case IEEE80211_IOC_HTPROTMODE:
1108                 ireq->i_val = vap->iv_htprotmode;
1109                 break;
1110         case IEEE80211_IOC_HTCONF:
1111                 if (vap->iv_flags_ht & IEEE80211_FHT_HT) {
1112                         ireq->i_val = 1;
1113                         if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40)
1114                                 ireq->i_val |= 2;
1115                 } else
1116                         ireq->i_val = 0;
1117                 break;
1118         case IEEE80211_IOC_STA_VLAN:
1119                 error = ieee80211_ioctl_getstavlan(vap, ireq);
1120                 break;
1121         case IEEE80211_IOC_SMPS:
1122                 if (vap->iv_opmode == IEEE80211_M_STA &&
1123                     (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) {
1124                         if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS)
1125                                 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC;
1126                         else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS)
1127                                 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA;
1128                         else
1129                                 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF;
1130                 } else
1131                         ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS;
1132                 break;
1133         case IEEE80211_IOC_RIFS:
1134                 if (vap->iv_opmode == IEEE80211_M_STA &&
1135                     (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP))
1136                         ireq->i_val =
1137                             (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0;
1138                 else
1139                         ireq->i_val =
1140                             (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0;
1141                 break;
1142         case IEEE80211_IOC_STBC:
1143                 ireq->i_val = 0;
1144                 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX)
1145                         ireq->i_val |= 1;
1146                 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX)
1147                         ireq->i_val |= 2;
1148                 break;
1149         case IEEE80211_IOC_LDPC:
1150                 ireq->i_val = 0;
1151                 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_TX)
1152                         ireq->i_val |= 1;
1153                 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_RX)
1154                         ireq->i_val |= 2;
1155                 break;
1156         case IEEE80211_IOC_UAPSD:
1157                 ireq->i_val = 0;
1158                 if (vap->iv_flags_ext & IEEE80211_FEXT_UAPSD)
1159                         ireq->i_val = 1;
1160                 break;
1161         case IEEE80211_IOC_VHTCONF:
1162                 ireq->i_val = vap->iv_flags_vht & IEEE80211_FVHT_MASK;
1163                 break;
1164         default:
1165                 error = ieee80211_ioctl_getdefault(vap, ireq);
1166                 break;
1167         }
1168         return error;
1169 }
1170
1171 static int
1172 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1173 {
1174         struct ieee80211req_key ik;
1175         struct ieee80211_node *ni;
1176         struct ieee80211_key *wk;
1177         uint16_t kid;
1178         int error, i;
1179
1180         if (ireq->i_len != sizeof(ik))
1181                 return EINVAL;
1182         error = copyin(ireq->i_data, &ik, sizeof(ik));
1183         if (error)
1184                 return error;
1185         /* NB: cipher support is verified by ieee80211_crypt_newkey */
1186         /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */
1187         if (ik.ik_keylen > sizeof(ik.ik_keydata))
1188                 return E2BIG;
1189         kid = ik.ik_keyix;
1190         if (kid == IEEE80211_KEYIX_NONE) {
1191                 /* XXX unicast keys currently must be tx/rx */
1192                 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))
1193                         return EINVAL;
1194                 if (vap->iv_opmode == IEEE80211_M_STA) {
1195                         ni = ieee80211_ref_node(vap->iv_bss);
1196                         if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) {
1197                                 ieee80211_free_node(ni);
1198                                 return EADDRNOTAVAIL;
1199                         }
1200                 } else {
1201                         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1202                                 ik.ik_macaddr);
1203                         if (ni == NULL)
1204                                 return ENOENT;
1205                 }
1206                 wk = &ni->ni_ucastkey;
1207         } else {
1208                 if (kid >= IEEE80211_WEP_NKID)
1209                         return EINVAL;
1210                 wk = &vap->iv_nw_keys[kid];
1211                 /*
1212                  * Global slots start off w/o any assigned key index.
1213                  * Force one here for consistency with IEEE80211_IOC_WEPKEY.
1214                  */
1215                 if (wk->wk_keyix == IEEE80211_KEYIX_NONE)
1216                         wk->wk_keyix = kid;
1217                 ni = NULL;
1218         }
1219         error = 0;
1220         ieee80211_key_update_begin(vap);
1221         if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) {
1222                 wk->wk_keylen = ik.ik_keylen;
1223                 /* NB: MIC presence is implied by cipher type */
1224                 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE)
1225                         wk->wk_keylen = IEEE80211_KEYBUF_SIZE;
1226                 for (i = 0; i < IEEE80211_TID_SIZE; i++)
1227                         wk->wk_keyrsc[i] = ik.ik_keyrsc;
1228                 wk->wk_keytsc = 0;                      /* new key, reset */
1229                 memset(wk->wk_key, 0, sizeof(wk->wk_key));
1230                 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen);
1231                 IEEE80211_ADDR_COPY(wk->wk_macaddr,
1232                     ni != NULL ?  ni->ni_macaddr : ik.ik_macaddr);
1233                 if (!ieee80211_crypto_setkey(vap, wk))
1234                         error = EIO;
1235                 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT))
1236                         /*
1237                          * Inform the driver that this is the default
1238                          * transmit key.  Now, ideally we'd just set
1239                          * a flag in the key update that would
1240                          * say "yes, we're the default key", but
1241                          * that currently isn't the way the ioctl ->
1242                          * key interface works.
1243                          */
1244                         ieee80211_crypto_set_deftxkey(vap, kid);
1245         } else
1246                 error = ENXIO;
1247         ieee80211_key_update_end(vap);
1248         if (ni != NULL)
1249                 ieee80211_free_node(ni);
1250         return error;
1251 }
1252
1253 static int
1254 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1255 {
1256         struct ieee80211req_del_key dk;
1257         int kid, error;
1258
1259         if (ireq->i_len != sizeof(dk))
1260                 return EINVAL;
1261         error = copyin(ireq->i_data, &dk, sizeof(dk));
1262         if (error)
1263                 return error;
1264         kid = dk.idk_keyix;
1265         /* XXX uint8_t -> uint16_t */
1266         if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) {
1267                 struct ieee80211_node *ni;
1268
1269                 if (vap->iv_opmode == IEEE80211_M_STA) {
1270                         ni = ieee80211_ref_node(vap->iv_bss);
1271                         if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) {
1272                                 ieee80211_free_node(ni);
1273                                 return EADDRNOTAVAIL;
1274                         }
1275                 } else {
1276                         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1277                                 dk.idk_macaddr);
1278                         if (ni == NULL)
1279                                 return ENOENT;
1280                 }
1281                 /* XXX error return */
1282                 ieee80211_node_delucastkey(ni);
1283                 ieee80211_free_node(ni);
1284         } else {
1285                 if (kid >= IEEE80211_WEP_NKID)
1286                         return EINVAL;
1287                 /* XXX error return */
1288                 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]);
1289         }
1290         return 0;
1291 }
1292
1293 struct mlmeop {
1294         struct ieee80211vap *vap;
1295         int     op;
1296         int     reason;
1297 };
1298
1299 static void
1300 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1301         int op, int reason)
1302 {
1303 #ifdef IEEE80211_DEBUG
1304         static const struct {
1305                 int mask;
1306                 const char *opstr;
1307         } ops[] = {
1308                 { 0, "op#0" },
1309                 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1310                   IEEE80211_MSG_ASSOC, "assoc" },
1311                 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1312                   IEEE80211_MSG_ASSOC, "disassoc" },
1313                 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1314                   IEEE80211_MSG_AUTH, "deauth" },
1315                 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1316                   IEEE80211_MSG_AUTH, "authorize" },
1317                 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1318                   IEEE80211_MSG_AUTH, "unauthorize" },
1319         };
1320
1321         if (op == IEEE80211_MLME_AUTH) {
1322                 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL |
1323                     IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac,
1324                     "station authenticate %s via MLME (reason: %d (%s))",
1325                     reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT",
1326                     reason, ieee80211_reason_to_string(reason));
1327         } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) {
1328                 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac,
1329                     "unknown MLME request %d (reason: %d (%s))", op, reason,
1330                     ieee80211_reason_to_string(reason));
1331         } else if (reason == IEEE80211_STATUS_SUCCESS) {
1332                 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1333                     "station %s via MLME", ops[op].opstr);
1334         } else {
1335                 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1336                     "station %s via MLME (reason: %d (%s))", ops[op].opstr,
1337                     reason, ieee80211_reason_to_string(reason));
1338         }
1339 #endif /* IEEE80211_DEBUG */
1340 }
1341
1342 static void
1343 domlme(void *arg, struct ieee80211_node *ni)
1344 {
1345         struct mlmeop *mop = arg;
1346         struct ieee80211vap *vap = ni->ni_vap;
1347
1348         if (vap != mop->vap)
1349                 return;
1350         /*
1351          * NB: if ni_associd is zero then the node is already cleaned
1352          * up and we don't need to do this (we're safely holding a
1353          * reference but should otherwise not modify it's state).
1354          */
1355         if (ni->ni_associd == 0)
1356                 return;
1357         mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason);
1358         if (mop->op == IEEE80211_MLME_DEAUTH) {
1359                 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
1360                     mop->reason);
1361         } else {
1362                 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC,
1363                     mop->reason);
1364         }
1365         ieee80211_node_leave(ni);
1366 }
1367
1368 static int
1369 setmlme_dropsta(struct ieee80211vap *vap,
1370         const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop)
1371 {
1372         struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta;
1373         struct ieee80211_node *ni;
1374         int error = 0;
1375
1376         /* NB: the broadcast address means do 'em all */
1377         if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) {
1378                 IEEE80211_NODE_LOCK(nt);
1379                 ni = ieee80211_find_node_locked(nt, mac);
1380                 IEEE80211_NODE_UNLOCK(nt);
1381                 /*
1382                  * Don't do the node update inside the node
1383                  * table lock.  This unfortunately causes LORs
1384                  * with drivers and their TX paths.
1385                  */
1386                 if (ni != NULL) {
1387                         domlme(mlmeop, ni);
1388                         ieee80211_free_node(ni);
1389                 } else
1390                         error = ENOENT;
1391         } else {
1392                 ieee80211_iterate_nodes(nt, domlme, mlmeop);
1393         }
1394         return error;
1395 }
1396
1397 static int
1398 setmlme_common(struct ieee80211vap *vap, int op,
1399         const uint8_t mac[IEEE80211_ADDR_LEN], int reason)
1400 {
1401         struct ieee80211com *ic = vap->iv_ic;
1402         struct ieee80211_node_table *nt = &ic->ic_sta;
1403         struct ieee80211_node *ni;
1404         struct mlmeop mlmeop;
1405         int error;
1406
1407         error = 0;
1408         switch (op) {
1409         case IEEE80211_MLME_DISASSOC:
1410         case IEEE80211_MLME_DEAUTH:
1411                 switch (vap->iv_opmode) {
1412                 case IEEE80211_M_STA:
1413                         mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1414                         /* XXX not quite right */
1415                         ieee80211_new_state(vap, IEEE80211_S_INIT, reason);
1416                         break;
1417                 case IEEE80211_M_HOSTAP:
1418                         mlmeop.vap = vap;
1419                         mlmeop.op = op;
1420                         mlmeop.reason = reason;
1421                         error = setmlme_dropsta(vap, mac, &mlmeop);
1422                         break;
1423                 case IEEE80211_M_WDS:
1424                         /* XXX user app should send raw frame? */
1425                         if (op != IEEE80211_MLME_DEAUTH) {
1426                                 error = EINVAL;
1427                                 break;
1428                         }
1429 #if 0
1430                         /* XXX accept any address, simplifies user code */
1431                         if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) {
1432                                 error = EINVAL;
1433                                 break;
1434                         }
1435 #endif
1436                         mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1437                         ni = ieee80211_ref_node(vap->iv_bss);
1438                         IEEE80211_SEND_MGMT(ni,
1439                             IEEE80211_FC0_SUBTYPE_DEAUTH, reason);
1440                         ieee80211_free_node(ni);
1441                         break;
1442                 case IEEE80211_M_MBSS:
1443                         IEEE80211_NODE_LOCK(nt);
1444                         ni = ieee80211_find_node_locked(nt, mac);
1445                         /*
1446                          * Don't do the node update inside the node
1447                          * table lock.  This unfortunately causes LORs
1448                          * with drivers and their TX paths.
1449                          */
1450                         IEEE80211_NODE_UNLOCK(nt);
1451                         if (ni != NULL) {
1452                                 ieee80211_node_leave(ni);
1453                                 ieee80211_free_node(ni);
1454                         } else {
1455                                 error = ENOENT;
1456                         }
1457                         break;
1458                 default:
1459                         error = EINVAL;
1460                         break;
1461                 }
1462                 break;
1463         case IEEE80211_MLME_AUTHORIZE:
1464         case IEEE80211_MLME_UNAUTHORIZE:
1465                 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
1466                     vap->iv_opmode != IEEE80211_M_WDS) {
1467                         error = EINVAL;
1468                         break;
1469                 }
1470                 IEEE80211_NODE_LOCK(nt);
1471                 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1472                 /*
1473                  * Don't do the node update inside the node
1474                  * table lock.  This unfortunately causes LORs
1475                  * with drivers and their TX paths.
1476                  */
1477                 IEEE80211_NODE_UNLOCK(nt);
1478                 if (ni != NULL) {
1479                         mlmedebug(vap, mac, op, reason);
1480                         if (op == IEEE80211_MLME_AUTHORIZE)
1481                                 ieee80211_node_authorize(ni);
1482                         else
1483                                 ieee80211_node_unauthorize(ni);
1484                         ieee80211_free_node(ni);
1485                 } else
1486                         error = ENOENT;
1487                 break;
1488         case IEEE80211_MLME_AUTH:
1489                 if (vap->iv_opmode != IEEE80211_M_HOSTAP) {
1490                         error = EINVAL;
1491                         break;
1492                 }
1493                 IEEE80211_NODE_LOCK(nt);
1494                 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1495                 /*
1496                  * Don't do the node update inside the node
1497                  * table lock.  This unfortunately causes LORs
1498                  * with drivers and their TX paths.
1499                  */
1500                 IEEE80211_NODE_UNLOCK(nt);
1501                 if (ni != NULL) {
1502                         mlmedebug(vap, mac, op, reason);
1503                         if (reason == IEEE80211_STATUS_SUCCESS) {
1504                                 IEEE80211_SEND_MGMT(ni,
1505                                     IEEE80211_FC0_SUBTYPE_AUTH, 2);
1506                                 /*
1507                                  * For shared key auth, just continue the
1508                                  * exchange.  Otherwise when 802.1x is not in
1509                                  * use mark the port authorized at this point
1510                                  * so traffic can flow.
1511                                  */
1512                                 if (ni->ni_authmode != IEEE80211_AUTH_8021X &&
1513                                     ni->ni_challenge == NULL)
1514                                       ieee80211_node_authorize(ni);
1515                         } else {
1516                                 vap->iv_stats.is_rx_acl++;
1517                                 ieee80211_send_error(ni, ni->ni_macaddr,
1518                                     IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16));
1519                                 ieee80211_node_leave(ni);
1520                         }
1521                         ieee80211_free_node(ni);
1522                 } else
1523                         error = ENOENT;
1524                 break;
1525         default:
1526                 error = EINVAL;
1527                 break;
1528         }
1529         return error;
1530 }
1531
1532 struct scanlookup {
1533         const uint8_t *mac;
1534         int esslen;
1535         const uint8_t *essid;
1536         const struct ieee80211_scan_entry *se;
1537 };
1538
1539 /*
1540  * Match mac address and any ssid.
1541  */
1542 static void
1543 mlmelookup(void *arg, const struct ieee80211_scan_entry *se)
1544 {
1545         struct scanlookup *look = arg;
1546
1547         if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr))
1548                 return;
1549         if (look->esslen != 0) {
1550                 if (se->se_ssid[1] != look->esslen)
1551                         return;
1552                 if (memcmp(look->essid, se->se_ssid+2, look->esslen))
1553                         return;
1554         }
1555         look->se = se;
1556 }
1557
1558 static int
1559 setmlme_assoc_sta(struct ieee80211vap *vap,
1560         const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1561         const uint8_t ssid[IEEE80211_NWID_LEN])
1562 {
1563         struct scanlookup lookup;
1564
1565         KASSERT(vap->iv_opmode == IEEE80211_M_STA,
1566             ("expected opmode STA not %s",
1567             ieee80211_opmode_name[vap->iv_opmode]));
1568
1569         /* NB: this is racey if roaming is !manual */
1570         lookup.se = NULL;
1571         lookup.mac = mac;
1572         lookup.esslen = ssid_len;
1573         lookup.essid = ssid;
1574         ieee80211_scan_iterate(vap, mlmelookup, &lookup);
1575         if (lookup.se == NULL)
1576                 return ENOENT;
1577         mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0);
1578         if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se))
1579                 return EIO;             /* XXX unique but could be better */
1580         return 0;
1581 }
1582
1583 static int
1584 setmlme_assoc_adhoc(struct ieee80211vap *vap,
1585         const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1586         const uint8_t ssid[IEEE80211_NWID_LEN])
1587 {
1588         struct ieee80211_scan_req *sr;
1589         int error;
1590
1591         KASSERT(vap->iv_opmode == IEEE80211_M_IBSS ||
1592             vap->iv_opmode == IEEE80211_M_AHDEMO,
1593             ("expected opmode IBSS or AHDEMO not %s",
1594             ieee80211_opmode_name[vap->iv_opmode]));
1595
1596         if (ssid_len == 0)
1597                 return EINVAL;
1598
1599         sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP,
1600              IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
1601         if (sr == NULL)
1602                 return ENOMEM;
1603
1604         /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */
1605         memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
1606         vap->iv_des_ssid[0].len = ssid_len;
1607         memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len);
1608         vap->iv_des_nssid = 1;
1609
1610         sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE;
1611         sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER;
1612         memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len);
1613         sr->sr_ssid[0].len = ssid_len;
1614         sr->sr_nssid = 1;
1615
1616         error = ieee80211_scanreq(vap, sr);
1617
1618         IEEE80211_FREE(sr, M_TEMP);
1619         return error;
1620 }
1621
1622 static int
1623 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq)
1624 {
1625         struct ieee80211req_mlme mlme;
1626         int error;
1627
1628         if (ireq->i_len != sizeof(mlme))
1629                 return EINVAL;
1630         error = copyin(ireq->i_data, &mlme, sizeof(mlme));
1631         if (error)
1632                 return error;
1633         if  (vap->iv_opmode == IEEE80211_M_STA &&
1634             mlme.im_op == IEEE80211_MLME_ASSOC)
1635                 return setmlme_assoc_sta(vap, mlme.im_macaddr,
1636                     vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
1637         else if ((vap->iv_opmode == IEEE80211_M_IBSS ||
1638             vap->iv_opmode == IEEE80211_M_AHDEMO) &&
1639             mlme.im_op == IEEE80211_MLME_ASSOC)
1640                 return setmlme_assoc_adhoc(vap, mlme.im_macaddr,
1641                     mlme.im_ssid_len, mlme.im_ssid);
1642         else
1643                 return setmlme_common(vap, mlme.im_op,
1644                     mlme.im_macaddr, mlme.im_reason);
1645 }
1646
1647 static int
1648 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq)
1649 {
1650         uint8_t mac[IEEE80211_ADDR_LEN];
1651         const struct ieee80211_aclator *acl = vap->iv_acl;
1652         int error;
1653
1654         if (ireq->i_len != sizeof(mac))
1655                 return EINVAL;
1656         error = copyin(ireq->i_data, mac, ireq->i_len);
1657         if (error)
1658                 return error;
1659         if (acl == NULL) {
1660                 acl = ieee80211_aclator_get("mac");
1661                 if (acl == NULL || !acl->iac_attach(vap))
1662                         return EINVAL;
1663                 vap->iv_acl = acl;
1664         }
1665         if (ireq->i_type == IEEE80211_IOC_ADDMAC)
1666                 acl->iac_add(vap, mac);
1667         else
1668                 acl->iac_remove(vap, mac);
1669         return 0;
1670 }
1671
1672 static int
1673 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
1674 {
1675         const struct ieee80211_aclator *acl = vap->iv_acl;
1676
1677         switch (ireq->i_val) {
1678         case IEEE80211_MACCMD_POLICY_OPEN:
1679         case IEEE80211_MACCMD_POLICY_ALLOW:
1680         case IEEE80211_MACCMD_POLICY_DENY:
1681         case IEEE80211_MACCMD_POLICY_RADIUS:
1682                 if (acl == NULL) {
1683                         acl = ieee80211_aclator_get("mac");
1684                         if (acl == NULL || !acl->iac_attach(vap))
1685                                 return EINVAL;
1686                         vap->iv_acl = acl;
1687                 }
1688                 acl->iac_setpolicy(vap, ireq->i_val);
1689                 break;
1690         case IEEE80211_MACCMD_FLUSH:
1691                 if (acl != NULL)
1692                         acl->iac_flush(vap);
1693                 /* NB: silently ignore when not in use */
1694                 break;
1695         case IEEE80211_MACCMD_DETACH:
1696                 if (acl != NULL) {
1697                         vap->iv_acl = NULL;
1698                         acl->iac_detach(vap);
1699                 }
1700                 break;
1701         default:
1702                 if (acl == NULL)
1703                         return EINVAL;
1704                 else
1705                         return acl->iac_setioctl(vap, ireq);
1706         }
1707         return 0;
1708 }
1709
1710 static int
1711 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
1712 {
1713         struct ieee80211com *ic = vap->iv_ic;
1714         uint8_t *chanlist, *list;
1715         int i, nchan, maxchan, error;
1716
1717         if (ireq->i_len > sizeof(ic->ic_chan_active))
1718                 ireq->i_len = sizeof(ic->ic_chan_active);
1719         list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP,
1720             IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
1721         if (list == NULL)
1722                 return ENOMEM;
1723         error = copyin(ireq->i_data, list, ireq->i_len);
1724         if (error) {
1725                 IEEE80211_FREE(list, M_TEMP);
1726                 return error;
1727         }
1728         nchan = 0;
1729         chanlist = list + ireq->i_len;          /* NB: zero'd already */
1730         maxchan = ireq->i_len * NBBY;
1731         for (i = 0; i < ic->ic_nchans; i++) {
1732                 const struct ieee80211_channel *c = &ic->ic_channels[i];
1733                 /*
1734                  * Calculate the intersection of the user list and the
1735                  * available channels so users can do things like specify
1736                  * 1-255 to get all available channels.
1737                  */
1738                 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) {
1739                         setbit(chanlist, c->ic_ieee);
1740                         nchan++;
1741                 }
1742         }
1743         if (nchan == 0) {
1744                 IEEE80211_FREE(list, M_TEMP);
1745                 return EINVAL;
1746         }
1747         if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&    /* XXX */
1748             isclr(chanlist, ic->ic_bsschan->ic_ieee))
1749                 ic->ic_bsschan = IEEE80211_CHAN_ANYC;
1750         memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES);
1751         ieee80211_scan_flush(vap);
1752         IEEE80211_FREE(list, M_TEMP);
1753         return ENETRESET;
1754 }
1755
1756 static int
1757 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
1758 {
1759         struct ieee80211_node *ni;
1760         uint8_t macaddr[IEEE80211_ADDR_LEN];
1761         int error;
1762
1763         /*
1764          * NB: we could copyin ieee80211req_sta_stats so apps
1765          *     could make selective changes but that's overkill;
1766          *     just clear all stats for now.
1767          */
1768         if (ireq->i_len < IEEE80211_ADDR_LEN)
1769                 return EINVAL;
1770         error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
1771         if (error != 0)
1772                 return error;
1773         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
1774         if (ni == NULL)
1775                 return ENOENT;
1776         /* XXX require ni_vap == vap? */
1777         memset(&ni->ni_stats, 0, sizeof(ni->ni_stats));
1778         ieee80211_free_node(ni);
1779         return 0;
1780 }
1781
1782 static int
1783 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
1784 {
1785         struct ieee80211_node *ni;
1786         struct ieee80211req_sta_txpow txpow;
1787         int error;
1788
1789         if (ireq->i_len != sizeof(txpow))
1790                 return EINVAL;
1791         error = copyin(ireq->i_data, &txpow, sizeof(txpow));
1792         if (error != 0)
1793                 return error;
1794         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
1795         if (ni == NULL)
1796                 return ENOENT;
1797         ni->ni_txpower = txpow.it_txpow;
1798         ieee80211_free_node(ni);
1799         return error;
1800 }
1801
1802 static int
1803 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
1804 {
1805         struct ieee80211com *ic = vap->iv_ic;
1806         struct ieee80211_wme_state *wme = &ic->ic_wme;
1807         struct wmeParams *wmep, *chanp;
1808         int isbss, ac, aggrmode;
1809
1810         if ((ic->ic_caps & IEEE80211_C_WME) == 0)
1811                 return EOPNOTSUPP;
1812
1813         isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS);
1814         ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
1815         aggrmode = (wme->wme_flags & WME_F_AGGRMODE);
1816         if (ac >= WME_NUM_AC)
1817                 ac = WME_AC_BE;
1818         if (isbss) {
1819                 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac];
1820                 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1821         } else {
1822                 chanp = &wme->wme_chanParams.cap_wmeParams[ac];
1823                 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1824         }
1825         switch (ireq->i_type) {
1826         case IEEE80211_IOC_WME_CWMIN:           /* WME: CWmin */
1827                 wmep->wmep_logcwmin = ireq->i_val;
1828                 if (!isbss || !aggrmode)
1829                         chanp->wmep_logcwmin = ireq->i_val;
1830                 break;
1831         case IEEE80211_IOC_WME_CWMAX:           /* WME: CWmax */
1832                 wmep->wmep_logcwmax = ireq->i_val;
1833                 if (!isbss || !aggrmode)
1834                         chanp->wmep_logcwmax = ireq->i_val;
1835                 break;
1836         case IEEE80211_IOC_WME_AIFS:            /* WME: AIFS */
1837                 wmep->wmep_aifsn = ireq->i_val;
1838                 if (!isbss || !aggrmode)
1839                         chanp->wmep_aifsn = ireq->i_val;
1840                 break;
1841         case IEEE80211_IOC_WME_TXOPLIMIT:       /* WME: txops limit */
1842                 wmep->wmep_txopLimit = ireq->i_val;
1843                 if (!isbss || !aggrmode)
1844                         chanp->wmep_txopLimit = ireq->i_val;
1845                 break;
1846         case IEEE80211_IOC_WME_ACM:             /* WME: ACM (bss only) */
1847                 wmep->wmep_acm = ireq->i_val;
1848                 if (!aggrmode)
1849                         chanp->wmep_acm = ireq->i_val;
1850                 break;
1851         case IEEE80211_IOC_WME_ACKPOLICY:       /* WME: ACK policy (!bss only)*/
1852                 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy =
1853                         (ireq->i_val) == 0;
1854                 break;
1855         }
1856         ieee80211_wme_updateparams(vap);
1857         return 0;
1858 }
1859
1860 static int
1861 find11gchannel(struct ieee80211com *ic, int start, int freq)
1862 {
1863         const struct ieee80211_channel *c;
1864         int i;
1865
1866         for (i = start+1; i < ic->ic_nchans; i++) {
1867                 c = &ic->ic_channels[i];
1868                 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1869                         return 1;
1870         }
1871         /* NB: should not be needed but in case things are mis-sorted */
1872         for (i = 0; i < start; i++) {
1873                 c = &ic->ic_channels[i];
1874                 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1875                         return 1;
1876         }
1877         return 0;
1878 }
1879
1880 static struct ieee80211_channel *
1881 findchannel(struct ieee80211com *ic, int ieee, int mode)
1882 {
1883         static const u_int chanflags[IEEE80211_MODE_MAX] = {
1884             [IEEE80211_MODE_AUTO]       = 0,
1885             [IEEE80211_MODE_11A]        = IEEE80211_CHAN_A,
1886             [IEEE80211_MODE_11B]        = IEEE80211_CHAN_B,
1887             [IEEE80211_MODE_11G]        = IEEE80211_CHAN_G,
1888             [IEEE80211_MODE_FH]         = IEEE80211_CHAN_FHSS,
1889             [IEEE80211_MODE_TURBO_A]    = IEEE80211_CHAN_108A,
1890             [IEEE80211_MODE_TURBO_G]    = IEEE80211_CHAN_108G,
1891             [IEEE80211_MODE_STURBO_A]   = IEEE80211_CHAN_STURBO,
1892             [IEEE80211_MODE_HALF]       = IEEE80211_CHAN_HALF,
1893             [IEEE80211_MODE_QUARTER]    = IEEE80211_CHAN_QUARTER,
1894             /* NB: handled specially below */
1895             [IEEE80211_MODE_11NA]       = IEEE80211_CHAN_A,
1896             [IEEE80211_MODE_11NG]       = IEEE80211_CHAN_G,
1897             [IEEE80211_MODE_VHT_5GHZ]   = IEEE80211_CHAN_A,
1898             [IEEE80211_MODE_VHT_2GHZ]   = IEEE80211_CHAN_G,
1899         };
1900         u_int modeflags;
1901         int i;
1902
1903         modeflags = chanflags[mode];
1904         for (i = 0; i < ic->ic_nchans; i++) {
1905                 struct ieee80211_channel *c = &ic->ic_channels[i];
1906
1907                 if (c->ic_ieee != ieee)
1908                         continue;
1909                 if (mode == IEEE80211_MODE_AUTO) {
1910                         /* ignore turbo channels for autoselect */
1911                         if (IEEE80211_IS_CHAN_TURBO(c))
1912                                 continue;
1913                         /*
1914                          * XXX special-case 11b/g channels so we
1915                          *     always select the g channel if both
1916                          *     are present.
1917                          * XXX prefer HT to non-HT?
1918                          */
1919                         if (!IEEE80211_IS_CHAN_B(c) ||
1920                             !find11gchannel(ic, i, c->ic_freq))
1921                                 return c;
1922                 } else {
1923                         /* must check VHT specifically */
1924                         if ((mode == IEEE80211_MODE_VHT_5GHZ ||
1925                             mode == IEEE80211_MODE_VHT_2GHZ) &&
1926                             !IEEE80211_IS_CHAN_VHT(c))
1927                                 continue;
1928
1929                         /*
1930                          * Must check HT specially - only match on HT,
1931                          * not HT+VHT channels
1932                          */
1933                         if ((mode == IEEE80211_MODE_11NA ||
1934                             mode == IEEE80211_MODE_11NG) &&
1935                             !IEEE80211_IS_CHAN_HT(c))
1936                                 continue;
1937
1938                         if ((mode == IEEE80211_MODE_11NA ||
1939                             mode == IEEE80211_MODE_11NG) &&
1940                             IEEE80211_IS_CHAN_VHT(c))
1941                                 continue;
1942
1943                         /* Check that the modeflags above match */
1944                         if ((c->ic_flags & modeflags) == modeflags)
1945                                 return c;
1946                 }
1947         }
1948         return NULL;
1949 }
1950
1951 /*
1952  * Check the specified against any desired mode (aka netband).
1953  * This is only used (presently) when operating in hostap mode
1954  * to enforce consistency.
1955  */
1956 static int
1957 check_mode_consistency(const struct ieee80211_channel *c, int mode)
1958 {
1959         KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel"));
1960
1961         switch (mode) {
1962         case IEEE80211_MODE_11B:
1963                 return (IEEE80211_IS_CHAN_B(c));
1964         case IEEE80211_MODE_11G:
1965                 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c));
1966         case IEEE80211_MODE_11A:
1967                 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c));
1968         case IEEE80211_MODE_STURBO_A:
1969                 return (IEEE80211_IS_CHAN_STURBO(c));
1970         case IEEE80211_MODE_11NA:
1971                 return (IEEE80211_IS_CHAN_HTA(c));
1972         case IEEE80211_MODE_11NG:
1973                 return (IEEE80211_IS_CHAN_HTG(c));
1974         }
1975         return 1;
1976
1977 }
1978
1979 /*
1980  * Common code to set the current channel.  If the device
1981  * is up and running this may result in an immediate channel
1982  * change or a kick of the state machine.
1983  */
1984 static int
1985 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c)
1986 {
1987         struct ieee80211com *ic = vap->iv_ic;
1988         int error;
1989
1990         if (c != IEEE80211_CHAN_ANYC) {
1991                 if (IEEE80211_IS_CHAN_RADAR(c))
1992                         return EBUSY;   /* XXX better code? */
1993                 if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
1994                         if (IEEE80211_IS_CHAN_NOHOSTAP(c))
1995                                 return EINVAL;
1996                         if (!check_mode_consistency(c, vap->iv_des_mode))
1997                                 return EINVAL;
1998                 } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
1999                         if (IEEE80211_IS_CHAN_NOADHOC(c))
2000                                 return EINVAL;
2001                 }
2002                 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) &&
2003                     vap->iv_bss->ni_chan == c)
2004                         return 0;       /* NB: nothing to do */
2005         }
2006         vap->iv_des_chan = c;
2007
2008         error = 0;
2009         if (vap->iv_opmode == IEEE80211_M_MONITOR &&
2010             vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
2011                 /*
2012                  * Monitor mode can switch directly.
2013                  */
2014                 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) {
2015                         /* XXX need state machine for other vap's to follow */
2016                         ieee80211_setcurchan(ic, vap->iv_des_chan);
2017                         vap->iv_bss->ni_chan = ic->ic_curchan;
2018                 } else {
2019                         ic->ic_curchan = vap->iv_des_chan;
2020                         ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
2021                 }
2022         } else {
2023                 /*
2024                  * Need to go through the state machine in case we
2025                  * need to reassociate or the like.  The state machine
2026                  * will pickup the desired channel and avoid scanning.
2027                  */
2028                 if (IS_UP_AUTO(vap))
2029                         ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2030                 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
2031                         /*
2032                          * When not up+running and a real channel has
2033                          * been specified fix the current channel so
2034                          * there is immediate feedback; e.g. via ifconfig.
2035                          */
2036                         ic->ic_curchan = vap->iv_des_chan;
2037                         ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
2038                 }
2039         }
2040         return error;
2041 }
2042
2043 /*
2044  * Old api for setting the current channel; this is
2045  * deprecated because channel numbers are ambiguous.
2046  */
2047 static int
2048 ieee80211_ioctl_setchannel(struct ieee80211vap *vap,
2049         const struct ieee80211req *ireq)
2050 {
2051         struct ieee80211com *ic = vap->iv_ic;
2052         struct ieee80211_channel *c;
2053
2054         /* XXX 0xffff overflows 16-bit signed */
2055         if (ireq->i_val == 0 ||
2056             ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) {
2057                 c = IEEE80211_CHAN_ANYC;
2058         } else {
2059                 struct ieee80211_channel *c2;
2060
2061                 c = findchannel(ic, ireq->i_val, vap->iv_des_mode);
2062                 if (c == NULL) {
2063                         c = findchannel(ic, ireq->i_val,
2064                                 IEEE80211_MODE_AUTO);
2065                         if (c == NULL)
2066                                 return EINVAL;
2067                 }
2068
2069                 /*
2070                  * Fine tune channel selection based on desired mode:
2071                  *   if 11b is requested, find the 11b version of any
2072                  *      11g channel returned,
2073                  *   if static turbo, find the turbo version of any
2074                  *      11a channel return,
2075                  *   if 11na is requested, find the ht version of any
2076                  *      11a channel returned,
2077                  *   if 11ng is requested, find the ht version of any
2078                  *      11g channel returned,
2079                  *   if 11ac is requested, find the 11ac version
2080                  *      of any 11a/11na channel returned,
2081                  *   (TBD) 11acg (2GHz VHT)
2082                  *   otherwise we should be ok with what we've got.
2083                  */
2084                 switch (vap->iv_des_mode) {
2085                 case IEEE80211_MODE_11B:
2086                         if (IEEE80211_IS_CHAN_ANYG(c)) {
2087                                 c2 = findchannel(ic, ireq->i_val,
2088                                         IEEE80211_MODE_11B);
2089                                 /* NB: should not happen, =>'s 11g w/o 11b */
2090                                 if (c2 != NULL)
2091                                         c = c2;
2092                         }
2093                         break;
2094                 case IEEE80211_MODE_TURBO_A:
2095                         if (IEEE80211_IS_CHAN_A(c)) {
2096                                 c2 = findchannel(ic, ireq->i_val,
2097                                         IEEE80211_MODE_TURBO_A);
2098                                 if (c2 != NULL)
2099                                         c = c2;
2100                         }
2101                         break;
2102                 case IEEE80211_MODE_11NA:
2103                         if (IEEE80211_IS_CHAN_A(c)) {
2104                                 c2 = findchannel(ic, ireq->i_val,
2105                                         IEEE80211_MODE_11NA);
2106                                 if (c2 != NULL)
2107                                         c = c2;
2108                         }
2109                         break;
2110                 case IEEE80211_MODE_11NG:
2111                         if (IEEE80211_IS_CHAN_ANYG(c)) {
2112                                 c2 = findchannel(ic, ireq->i_val,
2113                                         IEEE80211_MODE_11NG);
2114                                 if (c2 != NULL)
2115                                         c = c2;
2116                         }
2117                         break;
2118                 case IEEE80211_MODE_VHT_2GHZ:
2119                         printf("%s: TBD\n", __func__);
2120                         break;
2121                 case IEEE80211_MODE_VHT_5GHZ:
2122                         if (IEEE80211_IS_CHAN_A(c)) {
2123                                 c2 = findchannel(ic, ireq->i_val,
2124                                         IEEE80211_MODE_VHT_5GHZ);
2125                                 if (c2 != NULL)
2126                                         c = c2;
2127                         }
2128                         break;
2129                 default:                /* NB: no static turboG */
2130                         break;
2131                 }
2132         }
2133         return setcurchan(vap, c);
2134 }
2135
2136 /*
2137  * New/current api for setting the current channel; a complete
2138  * channel description is provide so there is no ambiguity in
2139  * identifying the channel.
2140  */
2141 static int
2142 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap,
2143         const struct ieee80211req *ireq)
2144 {
2145         struct ieee80211com *ic = vap->iv_ic;
2146         struct ieee80211_channel chan, *c;
2147         int error;
2148
2149         if (ireq->i_len != sizeof(chan))
2150                 return EINVAL;
2151         error = copyin(ireq->i_data, &chan, sizeof(chan));
2152         if (error != 0)
2153                 return error;
2154
2155         /* XXX 0xffff overflows 16-bit signed */
2156         if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) {
2157                 c = IEEE80211_CHAN_ANYC;
2158         } else {
2159                 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags);
2160                 if (c == NULL)
2161                         return EINVAL;
2162         }
2163         return setcurchan(vap, c);
2164 }
2165
2166 static int
2167 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap,
2168         const struct ieee80211req *ireq)
2169 {
2170         struct ieee80211_regdomain_req *reg;
2171         int nchans, error;
2172
2173         nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) /
2174             sizeof(struct ieee80211_channel));
2175         if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) {
2176                 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2177                     "%s: bad # chans, i_len %d nchans %d\n", __func__,
2178                     ireq->i_len, nchans);
2179                 return EINVAL;
2180         }
2181         reg = (struct ieee80211_regdomain_req *)
2182             IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP,
2183               IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2184         if (reg == NULL) {
2185                 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2186                     "%s: no memory, nchans %d\n", __func__, nchans);
2187                 return ENOMEM;
2188         }
2189         error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans));
2190         if (error == 0) {
2191                 /* NB: validate inline channel count against storage size */
2192                 if (reg->chaninfo.ic_nchans != nchans) {
2193                         IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2194                             "%s: chan cnt mismatch, %d != %d\n", __func__,
2195                                 reg->chaninfo.ic_nchans, nchans);
2196                         error = EINVAL;
2197                 } else
2198                         error = ieee80211_setregdomain(vap, reg);
2199         }
2200         IEEE80211_FREE(reg, M_TEMP);
2201
2202         return (error == 0 ? ENETRESET : error);
2203 }
2204
2205 static int
2206 checkrate(const struct ieee80211_rateset *rs, int rate)
2207 {
2208         int i;
2209
2210         if (rate == IEEE80211_FIXED_RATE_NONE)
2211                 return 1;
2212         for (i = 0; i < rs->rs_nrates; i++)
2213                 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate)
2214                         return 1;
2215         return 0;
2216 }
2217
2218 static int
2219 checkmcs(const struct ieee80211_htrateset *rs, int mcs)
2220 {
2221         int rate_val = IEEE80211_RV(mcs);
2222         int i;
2223
2224         if (mcs == IEEE80211_FIXED_RATE_NONE)
2225                 return 1;
2226         if ((mcs & IEEE80211_RATE_MCS) == 0)    /* MCS always have 0x80 set */
2227                 return 0;
2228         for (i = 0; i < rs->rs_nrates; i++)
2229                 if (IEEE80211_RV(rs->rs_rates[i]) == rate_val)
2230                         return 1;
2231         return 0;
2232 }
2233
2234 static int
2235 ieee80211_ioctl_setroam(struct ieee80211vap *vap,
2236         const struct ieee80211req *ireq)
2237 {
2238         struct ieee80211com *ic = vap->iv_ic;
2239         struct ieee80211_roamparams_req *parms;
2240         struct ieee80211_roamparam *src, *dst;
2241         const struct ieee80211_htrateset *rs_ht;
2242         const struct ieee80211_rateset *rs;
2243         int changed, error, mode, is11n, nmodes;
2244
2245         if (ireq->i_len != sizeof(vap->iv_roamparms))
2246                 return EINVAL;
2247
2248         parms = IEEE80211_MALLOC(sizeof(*parms), M_TEMP,
2249             IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2250         if (parms == NULL)
2251                 return ENOMEM;
2252
2253         error = copyin(ireq->i_data, parms, ireq->i_len);
2254         if (error != 0)
2255                 goto fail;
2256
2257         changed = 0;
2258         nmodes = IEEE80211_MODE_MAX;
2259
2260         /* validate parameters and check if anything changed */
2261         for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2262                 if (isclr(ic->ic_modecaps, mode))
2263                         continue;
2264                 src = &parms->params[mode];
2265                 dst = &vap->iv_roamparms[mode];
2266                 rs = &ic->ic_sup_rates[mode];   /* NB: 11n maps to legacy */
2267                 rs_ht = &ic->ic_sup_htrates;
2268                 is11n = (mode == IEEE80211_MODE_11NA ||
2269                          mode == IEEE80211_MODE_11NG);
2270                 /* XXX TODO: 11ac */
2271                 if (src->rate != dst->rate) {
2272                         if (!checkrate(rs, src->rate) &&
2273                             (!is11n || !checkmcs(rs_ht, src->rate))) {
2274                                 error = EINVAL;
2275                                 goto fail;
2276                         }
2277                         changed++;
2278                 }
2279                 if (src->rssi != dst->rssi)
2280                         changed++;
2281         }
2282         if (changed) {
2283                 /*
2284                  * Copy new parameters in place and notify the
2285                  * driver so it can push state to the device.
2286                  */
2287                 /* XXX locking? */
2288                 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2289                         if (isset(ic->ic_modecaps, mode))
2290                                 vap->iv_roamparms[mode] = parms->params[mode];
2291                 }
2292
2293                 if (vap->iv_roaming == IEEE80211_ROAMING_DEVICE)
2294                         error = ERESTART;
2295         }
2296
2297 fail:   IEEE80211_FREE(parms, M_TEMP);
2298         return error;
2299 }
2300
2301 static int
2302 ieee80211_ioctl_settxparams(struct ieee80211vap *vap,
2303         const struct ieee80211req *ireq)
2304 {
2305         struct ieee80211com *ic = vap->iv_ic;
2306         struct ieee80211_txparams_req parms;    /* XXX stack use? */
2307         struct ieee80211_txparam *src, *dst;
2308         const struct ieee80211_htrateset *rs_ht;
2309         const struct ieee80211_rateset *rs;
2310         int error, mode, changed, is11n, nmodes;
2311
2312         /* NB: accept short requests for backwards compat */
2313         if (ireq->i_len > sizeof(parms))
2314                 return EINVAL;
2315         error = copyin(ireq->i_data, &parms, ireq->i_len);
2316         if (error != 0)
2317                 return error;
2318         nmodes = ireq->i_len / sizeof(struct ieee80211_txparam);
2319         changed = 0;
2320         /* validate parameters and check if anything changed */
2321         for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2322                 if (isclr(ic->ic_modecaps, mode))
2323                         continue;
2324                 src = &parms.params[mode];
2325                 dst = &vap->iv_txparms[mode];
2326                 rs = &ic->ic_sup_rates[mode];   /* NB: 11n maps to legacy */
2327                 rs_ht = &ic->ic_sup_htrates;
2328                 is11n = (mode == IEEE80211_MODE_11NA ||
2329                          mode == IEEE80211_MODE_11NG);
2330                 if (src->ucastrate != dst->ucastrate) {
2331                         if (!checkrate(rs, src->ucastrate) &&
2332                             (!is11n || !checkmcs(rs_ht, src->ucastrate)))
2333                                 return EINVAL;
2334                         changed++;
2335                 }
2336                 if (src->mcastrate != dst->mcastrate) {
2337                         if (!checkrate(rs, src->mcastrate) &&
2338                             (!is11n || !checkmcs(rs_ht, src->mcastrate)))
2339                                 return EINVAL;
2340                         changed++;
2341                 }
2342                 if (src->mgmtrate != dst->mgmtrate) {
2343                         if (!checkrate(rs, src->mgmtrate) &&
2344                             (!is11n || !checkmcs(rs_ht, src->mgmtrate)))
2345                                 return EINVAL;
2346                         changed++;
2347                 }
2348                 if (src->maxretry != dst->maxretry)     /* NB: no bounds */
2349                         changed++;
2350         }
2351         if (changed) {
2352                 /*
2353                  * Copy new parameters in place and notify the
2354                  * driver so it can push state to the device.
2355                  */
2356                 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2357                         if (isset(ic->ic_modecaps, mode))
2358                                 vap->iv_txparms[mode] = parms.params[mode];
2359                 }
2360                 /* XXX could be more intelligent,
2361                    e.g. don't reset if setting not being used */
2362                 return ENETRESET;
2363         }
2364         return 0;
2365 }
2366
2367 /*
2368  * Application Information Element support.
2369  */
2370 static int
2371 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq)
2372 {
2373         struct ieee80211_appie *app = *aie;
2374         struct ieee80211_appie *napp;
2375         int error;
2376
2377         if (ireq->i_len == 0) {         /* delete any existing ie */
2378                 if (app != NULL) {
2379                         *aie = NULL;    /* XXX racey */
2380                         IEEE80211_FREE(app, M_80211_NODE_IE);
2381                 }
2382                 return 0;
2383         }
2384         if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE))
2385                 return EINVAL;
2386         /*
2387          * Allocate a new appie structure and copy in the user data.
2388          * When done swap in the new structure.  Note that we do not
2389          * guard against users holding a ref to the old structure;
2390          * this must be handled outside this code.
2391          *
2392          * XXX bad bad bad
2393          */
2394         napp = (struct ieee80211_appie *) IEEE80211_MALLOC(
2395             sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE,
2396             IEEE80211_M_NOWAIT);
2397         if (napp == NULL)
2398                 return ENOMEM;
2399         /* XXX holding ic lock */
2400         error = copyin(ireq->i_data, napp->ie_data, ireq->i_len);
2401         if (error) {
2402                 IEEE80211_FREE(napp, M_80211_NODE_IE);
2403                 return error;
2404         }
2405         napp->ie_len = ireq->i_len;
2406         *aie = napp;
2407         if (app != NULL)
2408                 IEEE80211_FREE(app, M_80211_NODE_IE);
2409         return 0;
2410 }
2411
2412 static void
2413 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space)
2414 {
2415         /* validate data is present as best we can */
2416         if (space == 0 || 2+ie[1] > space)
2417                 return;
2418         if (ie[0] == IEEE80211_ELEMID_VENDOR)
2419                 vap->iv_wpa_ie = ie;
2420         else if (ie[0] == IEEE80211_ELEMID_RSN)
2421                 vap->iv_rsn_ie = ie;
2422 }
2423
2424 static int
2425 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap,
2426         const struct ieee80211req *ireq, int fc0)
2427 {
2428         int error;
2429
2430         IEEE80211_LOCK_ASSERT(vap->iv_ic);
2431
2432         switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
2433         case IEEE80211_FC0_SUBTYPE_BEACON:
2434                 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2435                     vap->iv_opmode != IEEE80211_M_IBSS) {
2436                         error = EINVAL;
2437                         break;
2438                 }
2439                 error = setappie(&vap->iv_appie_beacon, ireq);
2440                 if (error == 0)
2441                         ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE);
2442                 break;
2443         case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
2444                 error = setappie(&vap->iv_appie_proberesp, ireq);
2445                 break;
2446         case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
2447                 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2448                         error = setappie(&vap->iv_appie_assocresp, ireq);
2449                 else
2450                         error = EINVAL;
2451                 break;
2452         case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
2453                 error = setappie(&vap->iv_appie_probereq, ireq);
2454                 break;
2455         case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
2456                 if (vap->iv_opmode == IEEE80211_M_STA)
2457                         error = setappie(&vap->iv_appie_assocreq, ireq);
2458                 else
2459                         error = EINVAL;
2460                 break;
2461         case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK):
2462                 error = setappie(&vap->iv_appie_wpa, ireq);
2463                 if (error == 0) {
2464                         /*
2465                          * Must split single blob of data into separate
2466                          * WPA and RSN ie's because they go in different
2467                          * locations in the mgt frames.
2468                          * XXX use IEEE80211_IOC_WPA2 so user code does split
2469                          */
2470                         vap->iv_wpa_ie = NULL;
2471                         vap->iv_rsn_ie = NULL;
2472                         if (vap->iv_appie_wpa != NULL) {
2473                                 struct ieee80211_appie *appie =
2474                                     vap->iv_appie_wpa;
2475                                 uint8_t *data = appie->ie_data;
2476
2477                                 /* XXX ie length validate is painful, cheat */
2478                                 setwparsnie(vap, data, appie->ie_len);
2479                                 setwparsnie(vap, data + 2 + data[1],
2480                                     appie->ie_len - (2 + data[1]));
2481                         }
2482                         if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2483                             vap->iv_opmode == IEEE80211_M_IBSS) {
2484                                 /*
2485                                  * Must rebuild beacon frame as the update
2486                                  * mechanism doesn't handle WPA/RSN ie's.
2487                                  * Could extend it but it doesn't normally
2488                                  * change; this is just to deal with hostapd
2489                                  * plumbing the ie after the interface is up.
2490                                  */
2491                                 error = ENETRESET;
2492                         }
2493                 }
2494                 break;
2495         default:
2496                 error = EINVAL;
2497                 break;
2498         }
2499         return error;
2500 }
2501
2502 static int
2503 ieee80211_ioctl_setappie(struct ieee80211vap *vap,
2504         const struct ieee80211req *ireq)
2505 {
2506         struct ieee80211com *ic = vap->iv_ic;
2507         int error;
2508         uint8_t fc0;
2509
2510         fc0 = ireq->i_val & 0xff;
2511         if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
2512                 return EINVAL;
2513         /* NB: could check iv_opmode and reject but hardly worth the effort */
2514         IEEE80211_LOCK(ic);
2515         error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0);
2516         IEEE80211_UNLOCK(ic);
2517         return error;
2518 }
2519
2520 static int
2521 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq)
2522 {
2523         struct ieee80211com *ic = vap->iv_ic;
2524         struct ieee80211_chanswitch_req csr;
2525         struct ieee80211_channel *c;
2526         int error;
2527
2528         if (ireq->i_len != sizeof(csr))
2529                 return EINVAL;
2530         error = copyin(ireq->i_data, &csr, sizeof(csr));
2531         if (error != 0)
2532                 return error;
2533         /* XXX adhoc mode not supported */
2534         if (vap->iv_opmode != IEEE80211_M_HOSTAP ||
2535             (vap->iv_flags & IEEE80211_F_DOTH) == 0)
2536                 return EOPNOTSUPP;
2537         c = ieee80211_find_channel(ic,
2538             csr.csa_chan.ic_freq, csr.csa_chan.ic_flags);
2539         if (c == NULL)
2540                 return ENOENT;
2541         IEEE80211_LOCK(ic);
2542         if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0)
2543                 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count);
2544         else if (csr.csa_count == 0)
2545                 ieee80211_csa_cancelswitch(ic);
2546         else
2547                 error = EBUSY;
2548         IEEE80211_UNLOCK(ic);
2549         return error;
2550 }
2551
2552 static int
2553 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr)
2554 {
2555 #define IEEE80211_IOC_SCAN_FLAGS \
2556         (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \
2557          IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \
2558          IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \
2559          IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \
2560          IEEE80211_IOC_SCAN_CHECK)
2561         struct ieee80211com *ic = vap->iv_ic;
2562         int error, i;
2563
2564         /* convert duration */
2565         if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER)
2566                 sr->sr_duration = IEEE80211_SCAN_FOREVER;
2567         else {
2568                 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN ||
2569                     sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX)
2570                         return EINVAL;
2571                 sr->sr_duration = msecs_to_ticks(sr->sr_duration);
2572         }
2573         /* convert min/max channel dwell */
2574         if (sr->sr_mindwell != 0)
2575                 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell);
2576         if (sr->sr_maxdwell != 0)
2577                 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell);
2578         /* NB: silently reduce ssid count to what is supported */
2579         if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID)
2580                 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID;
2581         for (i = 0; i < sr->sr_nssid; i++)
2582                 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN)
2583                         return EINVAL;
2584         /* cleanse flags just in case, could reject if invalid flags */
2585         sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS;
2586         /*
2587          * Add an implicit NOPICK if the vap is not marked UP.  This
2588          * allows applications to scan without joining a bss (or picking
2589          * a channel and setting up a bss) and without forcing manual
2590          * roaming mode--you just need to mark the parent device UP.
2591          */
2592         if ((vap->iv_ifp->if_flags & IFF_UP) == 0)
2593                 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK;
2594
2595         IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2596             "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n",
2597             __func__, sr->sr_flags,
2598             (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "",
2599             sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid);
2600         /*
2601          * If we are in INIT state then the driver has never had a chance
2602          * to setup hardware state to do a scan; we must use the state
2603          * machine to get us up to the SCAN state but once we reach SCAN
2604          * state we then want to use the supplied params.  Stash the
2605          * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the
2606          * state machines will recognize this and use the stashed params
2607          * to issue the scan request.
2608          *
2609          * Otherwise just invoke the scan machinery directly.
2610          */
2611         IEEE80211_LOCK(ic);
2612         if (ic->ic_nrunning == 0) {
2613                 IEEE80211_UNLOCK(ic);
2614                 return ENXIO;
2615         }
2616
2617         if (vap->iv_state == IEEE80211_S_INIT) {
2618                 /* NB: clobbers previous settings */
2619                 vap->iv_scanreq_flags = sr->sr_flags;
2620                 vap->iv_scanreq_duration = sr->sr_duration;
2621                 vap->iv_scanreq_nssid = sr->sr_nssid;
2622                 for (i = 0; i < sr->sr_nssid; i++) {
2623                         vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len;
2624                         memcpy(vap->iv_scanreq_ssid[i].ssid,
2625                             sr->sr_ssid[i].ssid, sr->sr_ssid[i].len);
2626                 }
2627                 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ;
2628                 IEEE80211_UNLOCK(ic);
2629                 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2630         } else {
2631                 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ;
2632                 IEEE80211_UNLOCK(ic);
2633                 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) {
2634                         error = ieee80211_check_scan(vap, sr->sr_flags,
2635                             sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell,
2636                             sr->sr_nssid,
2637                             /* NB: cheat, we assume structures are compatible */
2638                             (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]);
2639                 } else {
2640                         error = ieee80211_start_scan(vap, sr->sr_flags,
2641                             sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell,
2642                             sr->sr_nssid,
2643                             /* NB: cheat, we assume structures are compatible */
2644                             (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]);
2645                 }
2646                 if (error == 0)
2647                         return EINPROGRESS;
2648         }
2649         return 0;
2650 #undef IEEE80211_IOC_SCAN_FLAGS
2651 }
2652
2653 static int
2654 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq)
2655 {
2656         struct ieee80211_scan_req *sr;
2657         int error;
2658
2659         if (ireq->i_len != sizeof(*sr))
2660                 return EINVAL;
2661         sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP,
2662              IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2663         if (sr == NULL)
2664                 return ENOMEM;
2665         error = copyin(ireq->i_data, sr, sizeof(*sr));
2666         if (error != 0)
2667                 goto bad;
2668         error = ieee80211_scanreq(vap, sr);
2669 bad:
2670         IEEE80211_FREE(sr, M_TEMP);
2671         return error;
2672 }
2673
2674 static int
2675 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
2676 {
2677         struct ieee80211_node *ni;
2678         struct ieee80211req_sta_vlan vlan;
2679         int error;
2680
2681         if (ireq->i_len != sizeof(vlan))
2682                 return EINVAL;
2683         error = copyin(ireq->i_data, &vlan, sizeof(vlan));
2684         if (error != 0)
2685                 return error;
2686         if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
2687                 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
2688                     vlan.sv_macaddr);
2689                 if (ni == NULL)
2690                         return ENOENT;
2691         } else
2692                 ni = ieee80211_ref_node(vap->iv_bss);
2693         ni->ni_vlan = vlan.sv_vlan;
2694         ieee80211_free_node(ni);
2695         return error;
2696 }
2697
2698 static int
2699 isvap11g(const struct ieee80211vap *vap)
2700 {
2701         const struct ieee80211_node *bss = vap->iv_bss;
2702         return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2703             IEEE80211_IS_CHAN_ANYG(bss->ni_chan);
2704 }
2705
2706 static int
2707 isvapht(const struct ieee80211vap *vap)
2708 {
2709         const struct ieee80211_node *bss = vap->iv_bss;
2710         return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2711             IEEE80211_IS_CHAN_HT(bss->ni_chan);
2712 }
2713
2714 /*
2715  * Dummy ioctl set handler so the linker set is defined.
2716  */
2717 static int
2718 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq)
2719 {
2720         return ENOSYS;
2721 }
2722 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set);
2723
2724 static int
2725 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
2726 {
2727         ieee80211_ioctl_setfunc * const *set;
2728         int error;
2729
2730         SET_FOREACH(set, ieee80211_ioctl_setset) {
2731                 error = (*set)(vap, ireq);
2732                 if (error != ENOSYS)
2733                         return error;
2734         }
2735         return EINVAL;
2736 }
2737
2738 static int
2739 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq)
2740 {
2741         struct ieee80211com *ic = vap->iv_ic;
2742         int error;
2743         const struct ieee80211_authenticator *auth;
2744         uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
2745         char tmpssid[IEEE80211_NWID_LEN];
2746         uint8_t tmpbssid[IEEE80211_ADDR_LEN];
2747         struct ieee80211_key *k;
2748         u_int kid;
2749         uint32_t flags;
2750
2751         error = 0;
2752         switch (ireq->i_type) {
2753         case IEEE80211_IOC_SSID:
2754                 if (ireq->i_val != 0 ||
2755                     ireq->i_len > IEEE80211_NWID_LEN)
2756                         return EINVAL;
2757                 error = copyin(ireq->i_data, tmpssid, ireq->i_len);
2758                 if (error)
2759                         break;
2760                 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
2761                 vap->iv_des_ssid[0].len = ireq->i_len;
2762                 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len);
2763                 vap->iv_des_nssid = (ireq->i_len > 0);
2764                 error = ENETRESET;
2765                 break;
2766         case IEEE80211_IOC_WEP:
2767                 switch (ireq->i_val) {
2768                 case IEEE80211_WEP_OFF:
2769                         vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2770                         vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2771                         break;
2772                 case IEEE80211_WEP_ON:
2773                         vap->iv_flags |= IEEE80211_F_PRIVACY;
2774                         vap->iv_flags |= IEEE80211_F_DROPUNENC;
2775                         break;
2776                 case IEEE80211_WEP_MIXED:
2777                         vap->iv_flags |= IEEE80211_F_PRIVACY;
2778                         vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2779                         break;
2780                 }
2781                 error = ENETRESET;
2782                 break;
2783         case IEEE80211_IOC_WEPKEY:
2784                 kid = (u_int) ireq->i_val;
2785                 if (kid >= IEEE80211_WEP_NKID)
2786                         return EINVAL;
2787                 k = &vap->iv_nw_keys[kid];
2788                 if (ireq->i_len == 0) {
2789                         /* zero-len =>'s delete any existing key */
2790                         (void) ieee80211_crypto_delkey(vap, k);
2791                         break;
2792                 }
2793                 if (ireq->i_len > sizeof(tmpkey))
2794                         return EINVAL;
2795                 memset(tmpkey, 0, sizeof(tmpkey));
2796                 error = copyin(ireq->i_data, tmpkey, ireq->i_len);
2797                 if (error)
2798                         break;
2799                 ieee80211_key_update_begin(vap);
2800                 k->wk_keyix = kid;      /* NB: force fixed key id */
2801                 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP,
2802                     IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) {
2803                         k->wk_keylen = ireq->i_len;
2804                         memcpy(k->wk_key, tmpkey, sizeof(tmpkey));
2805                         IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr);
2806                         if  (!ieee80211_crypto_setkey(vap, k))
2807                                 error = EINVAL;
2808                 } else
2809                         error = EINVAL;
2810                 ieee80211_key_update_end(vap);
2811                 break;
2812         case IEEE80211_IOC_WEPTXKEY:
2813                 kid = (u_int) ireq->i_val;
2814                 if (kid >= IEEE80211_WEP_NKID &&
2815                     (uint16_t) kid != IEEE80211_KEYIX_NONE)
2816                         return EINVAL;
2817                 /*
2818                  * Firmware devices may need to be told about an explicit
2819                  * key index here, versus just inferring it from the
2820                  * key set / change.  Since we may also need to pause
2821                  * things like transmit before the key is updated,
2822                  * give the driver a chance to flush things by tying
2823                  * into key update begin/end.
2824                  */
2825                 ieee80211_key_update_begin(vap);
2826                 ieee80211_crypto_set_deftxkey(vap, kid);
2827                 ieee80211_key_update_end(vap);
2828                 break;
2829         case IEEE80211_IOC_AUTHMODE:
2830                 switch (ireq->i_val) {
2831                 case IEEE80211_AUTH_WPA:
2832                 case IEEE80211_AUTH_8021X:      /* 802.1x */
2833                 case IEEE80211_AUTH_OPEN:       /* open */
2834                 case IEEE80211_AUTH_SHARED:     /* shared-key */
2835                 case IEEE80211_AUTH_AUTO:       /* auto */
2836                         auth = ieee80211_authenticator_get(ireq->i_val);
2837                         if (auth == NULL)
2838                                 return EINVAL;
2839                         break;
2840                 default:
2841                         return EINVAL;
2842                 }
2843                 switch (ireq->i_val) {
2844                 case IEEE80211_AUTH_WPA:        /* WPA w/ 802.1x */
2845                         vap->iv_flags |= IEEE80211_F_PRIVACY;
2846                         ireq->i_val = IEEE80211_AUTH_8021X;
2847                         break;
2848                 case IEEE80211_AUTH_OPEN:       /* open */
2849                         vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY);
2850                         break;
2851                 case IEEE80211_AUTH_SHARED:     /* shared-key */
2852                 case IEEE80211_AUTH_8021X:      /* 802.1x */
2853                         vap->iv_flags &= ~IEEE80211_F_WPA;
2854                         /* both require a key so mark the PRIVACY capability */
2855                         vap->iv_flags |= IEEE80211_F_PRIVACY;
2856                         break;
2857                 case IEEE80211_AUTH_AUTO:       /* auto */
2858                         vap->iv_flags &= ~IEEE80211_F_WPA;
2859                         /* XXX PRIVACY handling? */
2860                         /* XXX what's the right way to do this? */
2861                         break;
2862                 }
2863                 /* NB: authenticator attach/detach happens on state change */
2864                 vap->iv_bss->ni_authmode = ireq->i_val;
2865                 /* XXX mixed/mode/usage? */
2866                 vap->iv_auth = auth;
2867                 error = ENETRESET;
2868                 break;
2869         case IEEE80211_IOC_CHANNEL:
2870                 error = ieee80211_ioctl_setchannel(vap, ireq);
2871                 break;
2872         case IEEE80211_IOC_POWERSAVE:
2873                 switch (ireq->i_val) {
2874                 case IEEE80211_POWERSAVE_OFF:
2875                         if (vap->iv_flags & IEEE80211_F_PMGTON) {
2876                                 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON);
2877                                 error = ERESTART;
2878                         }
2879                         break;
2880                 case IEEE80211_POWERSAVE_ON:
2881                         if ((vap->iv_caps & IEEE80211_C_PMGT) == 0)
2882                                 error = EOPNOTSUPP;
2883                         else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) {
2884                                 ieee80211_syncflag(vap, IEEE80211_F_PMGTON);
2885                                 error = ERESTART;
2886                         }
2887                         break;
2888                 default:
2889                         error = EINVAL;
2890                         break;
2891                 }
2892                 break;
2893         case IEEE80211_IOC_POWERSAVESLEEP:
2894                 if (ireq->i_val < 0)
2895                         return EINVAL;
2896                 ic->ic_lintval = ireq->i_val;
2897                 error = ERESTART;
2898                 break;
2899         case IEEE80211_IOC_RTSTHRESHOLD:
2900                 if (!(IEEE80211_RTS_MIN <= ireq->i_val &&
2901                       ireq->i_val <= IEEE80211_RTS_MAX))
2902                         return EINVAL;
2903                 vap->iv_rtsthreshold = ireq->i_val;
2904                 error = ERESTART;
2905                 break;
2906         case IEEE80211_IOC_PROTMODE:
2907                 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
2908                         return EINVAL;
2909                 vap->iv_protmode = (enum ieee80211_protmode)ireq->i_val;
2910                 /* NB: if not operating in 11g this can wait */
2911                 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
2912                     IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
2913                         error = ERESTART;
2914                 /* driver callback for protection mode update */
2915                 ieee80211_vap_update_erp_protmode(vap);
2916                 break;
2917         case IEEE80211_IOC_TXPOWER:
2918                 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
2919                         return EOPNOTSUPP;
2920                 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val &&
2921                       ireq->i_val <= IEEE80211_TXPOWER_MAX))
2922                         return EINVAL;
2923                 ic->ic_txpowlimit = ireq->i_val;
2924                 error = ERESTART;
2925                 break;
2926         case IEEE80211_IOC_ROAMING:
2927                 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val &&
2928                     ireq->i_val <= IEEE80211_ROAMING_MANUAL))
2929                         return EINVAL;
2930                 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val;
2931                 /* XXXX reset? */
2932                 break;
2933         case IEEE80211_IOC_PRIVACY:
2934                 if (ireq->i_val) {
2935                         /* XXX check for key state? */
2936                         vap->iv_flags |= IEEE80211_F_PRIVACY;
2937                 } else
2938                         vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2939                 /* XXX ERESTART? */
2940                 break;
2941         case IEEE80211_IOC_DROPUNENCRYPTED:
2942                 if (ireq->i_val)
2943                         vap->iv_flags |= IEEE80211_F_DROPUNENC;
2944                 else
2945                         vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2946                 /* XXX ERESTART? */
2947                 break;
2948         case IEEE80211_IOC_WPAKEY:
2949                 error = ieee80211_ioctl_setkey(vap, ireq);
2950                 break;
2951         case IEEE80211_IOC_DELKEY:
2952                 error = ieee80211_ioctl_delkey(vap, ireq);
2953                 break;
2954         case IEEE80211_IOC_MLME:
2955                 error = ieee80211_ioctl_setmlme(vap, ireq);
2956                 break;
2957         case IEEE80211_IOC_COUNTERMEASURES:
2958                 if (ireq->i_val) {
2959                         if ((vap->iv_flags & IEEE80211_F_WPA) == 0)
2960                                 return EOPNOTSUPP;
2961                         vap->iv_flags |= IEEE80211_F_COUNTERM;
2962                 } else
2963                         vap->iv_flags &= ~IEEE80211_F_COUNTERM;
2964                 /* XXX ERESTART? */
2965                 break;
2966         case IEEE80211_IOC_WPA:
2967                 if (ireq->i_val > 3)
2968                         return EINVAL;
2969                 /* XXX verify ciphers available */
2970                 flags = vap->iv_flags & ~IEEE80211_F_WPA;
2971                 switch (ireq->i_val) {
2972                 case 0:
2973                         /* wpa_supplicant calls this to clear the WPA config */
2974                         break;
2975                 case 1:
2976                         if (!(vap->iv_caps & IEEE80211_C_WPA1))
2977                                 return EOPNOTSUPP;
2978                         flags |= IEEE80211_F_WPA1;
2979                         break;
2980                 case 2:
2981                         if (!(vap->iv_caps & IEEE80211_C_WPA2))
2982                                 return EOPNOTSUPP;
2983                         flags |= IEEE80211_F_WPA2;
2984                         break;
2985                 case 3:
2986                         if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA)
2987                                 return EOPNOTSUPP;
2988                         flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2;
2989                         break;
2990                 default:        /*  Can't set any -> error */
2991                         return EOPNOTSUPP;
2992                 }
2993                 vap->iv_flags = flags;
2994                 error = ERESTART;       /* NB: can change beacon frame */
2995                 break;
2996         case IEEE80211_IOC_WME:
2997                 if (ireq->i_val) {
2998                         if ((vap->iv_caps & IEEE80211_C_WME) == 0)
2999                                 return EOPNOTSUPP;
3000                         ieee80211_syncflag(vap, IEEE80211_F_WME);
3001                 } else
3002                         ieee80211_syncflag(vap, -IEEE80211_F_WME);
3003                 error = ERESTART;       /* NB: can change beacon frame */
3004                 break;
3005         case IEEE80211_IOC_HIDESSID:
3006                 if (ireq->i_val)
3007                         vap->iv_flags |= IEEE80211_F_HIDESSID;
3008                 else
3009                         vap->iv_flags &= ~IEEE80211_F_HIDESSID;
3010                 error = ERESTART;               /* XXX ENETRESET? */
3011                 break;
3012         case IEEE80211_IOC_APBRIDGE:
3013                 if (ireq->i_val == 0)
3014                         vap->iv_flags |= IEEE80211_F_NOBRIDGE;
3015                 else
3016                         vap->iv_flags &= ~IEEE80211_F_NOBRIDGE;
3017                 break;
3018         case IEEE80211_IOC_BSSID:
3019                 if (ireq->i_len != sizeof(tmpbssid))
3020                         return EINVAL;
3021                 error = copyin(ireq->i_data, tmpbssid, ireq->i_len);
3022                 if (error)
3023                         break;
3024                 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid);
3025                 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid))
3026                         vap->iv_flags &= ~IEEE80211_F_DESBSSID;
3027                 else
3028                         vap->iv_flags |= IEEE80211_F_DESBSSID;
3029                 error = ENETRESET;
3030                 break;
3031         case IEEE80211_IOC_CHANLIST:
3032                 error = ieee80211_ioctl_setchanlist(vap, ireq);
3033                 break;
3034 #define OLD_IEEE80211_IOC_SCAN_REQ      23
3035 #ifdef OLD_IEEE80211_IOC_SCAN_REQ
3036         case OLD_IEEE80211_IOC_SCAN_REQ:
3037                 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
3038                         "%s: active scan request\n", __func__);
3039                 /*
3040                  * If we are in INIT state then the driver has never
3041                  * had a chance to setup hardware state to do a scan;
3042                  * use the state machine to get us up the SCAN state.
3043                  * Otherwise just invoke the scan machinery to start
3044                  * a one-time scan.
3045                  */
3046                 if (vap->iv_state == IEEE80211_S_INIT)
3047                         ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
3048                 else
3049                         (void) ieee80211_start_scan(vap,
3050                                 IEEE80211_SCAN_ACTIVE |
3051                                 IEEE80211_SCAN_NOPICK |
3052                                 IEEE80211_SCAN_ONCE,
3053                                 IEEE80211_SCAN_FOREVER, 0, 0,
3054                                 /* XXX use ioctl params */
3055                                 vap->iv_des_nssid, vap->iv_des_ssid);
3056                 break;
3057 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */
3058         case IEEE80211_IOC_SCAN_REQ:
3059                 error = ieee80211_ioctl_scanreq(vap, ireq);
3060                 break;
3061         case IEEE80211_IOC_SCAN_CANCEL:
3062                 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
3063                     "%s: cancel scan\n", __func__);
3064                 ieee80211_cancel_scan(vap);
3065                 break;
3066         case IEEE80211_IOC_HTCONF:
3067                 if (ireq->i_val & 1)
3068                         ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT);
3069                 else
3070                         ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT);
3071                 if (ireq->i_val & 2)
3072                         ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40);
3073                 else
3074                         ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40);
3075                 error = ENETRESET;
3076                 break;
3077         case IEEE80211_IOC_ADDMAC:
3078         case IEEE80211_IOC_DELMAC:
3079                 error = ieee80211_ioctl_macmac(vap, ireq);
3080                 break;
3081         case IEEE80211_IOC_MACCMD:
3082                 error = ieee80211_ioctl_setmaccmd(vap, ireq);
3083                 break;
3084         case IEEE80211_IOC_STA_STATS:
3085                 error = ieee80211_ioctl_setstastats(vap, ireq);
3086                 break;
3087         case IEEE80211_IOC_STA_TXPOW:
3088                 error = ieee80211_ioctl_setstatxpow(vap, ireq);
3089                 break;
3090         case IEEE80211_IOC_WME_CWMIN:           /* WME: CWmin */
3091         case IEEE80211_IOC_WME_CWMAX:           /* WME: CWmax */
3092         case IEEE80211_IOC_WME_AIFS:            /* WME: AIFS */
3093         case IEEE80211_IOC_WME_TXOPLIMIT:       /* WME: txops limit */
3094         case IEEE80211_IOC_WME_ACM:             /* WME: ACM (bss only) */
3095         case IEEE80211_IOC_WME_ACKPOLICY:       /* WME: ACK policy (!bss only) */
3096                 error = ieee80211_ioctl_setwmeparam(vap, ireq);
3097                 break;
3098         case IEEE80211_IOC_DTIM_PERIOD:
3099                 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3100                     vap->iv_opmode != IEEE80211_M_MBSS &&
3101                     vap->iv_opmode != IEEE80211_M_IBSS)
3102                         return EINVAL;
3103                 if (IEEE80211_DTIM_MIN <= ireq->i_val &&
3104                     ireq->i_val <= IEEE80211_DTIM_MAX) {
3105                         vap->iv_dtim_period = ireq->i_val;
3106                         error = ENETRESET;              /* requires restart */
3107                 } else
3108                         error = EINVAL;
3109                 break;
3110         case IEEE80211_IOC_BEACON_INTERVAL:
3111                 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3112                     vap->iv_opmode != IEEE80211_M_MBSS &&
3113                     vap->iv_opmode != IEEE80211_M_IBSS)
3114                         return EINVAL;
3115                 if (IEEE80211_BINTVAL_MIN <= ireq->i_val &&
3116                     ireq->i_val <= IEEE80211_BINTVAL_MAX) {
3117                         ic->ic_bintval = ireq->i_val;
3118                         error = ENETRESET;              /* requires restart */
3119                 } else
3120                         error = EINVAL;
3121                 break;
3122         case IEEE80211_IOC_PUREG:
3123                 if (ireq->i_val)
3124                         vap->iv_flags |= IEEE80211_F_PUREG;
3125                 else
3126                         vap->iv_flags &= ~IEEE80211_F_PUREG;
3127                 /* NB: reset only if we're operating on an 11g channel */
3128                 if (isvap11g(vap))
3129                         error = ENETRESET;
3130                 break;
3131         case IEEE80211_IOC_QUIET:
3132                 vap->iv_quiet= ireq->i_val;
3133                 break;
3134         case IEEE80211_IOC_QUIET_COUNT:
3135                 vap->iv_quiet_count=ireq->i_val;
3136                 break;
3137         case IEEE80211_IOC_QUIET_PERIOD:
3138                 vap->iv_quiet_period=ireq->i_val;
3139                 break;
3140         case IEEE80211_IOC_QUIET_OFFSET:
3141                 vap->iv_quiet_offset=ireq->i_val;
3142                 break;
3143         case IEEE80211_IOC_QUIET_DUR:
3144                 if(ireq->i_val < vap->iv_bss->ni_intval)
3145                         vap->iv_quiet_duration = ireq->i_val;
3146                 else
3147                         error = EINVAL;
3148                 break;
3149         case IEEE80211_IOC_BGSCAN:
3150                 if (ireq->i_val) {
3151                         if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0)
3152                                 return EOPNOTSUPP;
3153                         vap->iv_flags |= IEEE80211_F_BGSCAN;
3154                 } else
3155                         vap->iv_flags &= ~IEEE80211_F_BGSCAN;
3156                 break;
3157         case IEEE80211_IOC_BGSCAN_IDLE:
3158                 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN)
3159                         vap->iv_bgscanidle = ireq->i_val*hz/1000;
3160                 else
3161                         error = EINVAL;
3162                 break;
3163         case IEEE80211_IOC_BGSCAN_INTERVAL:
3164                 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN)
3165                         vap->iv_bgscanintvl = ireq->i_val*hz;
3166                 else
3167                         error = EINVAL;
3168                 break;
3169         case IEEE80211_IOC_SCANVALID:
3170                 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN)
3171                         vap->iv_scanvalid = ireq->i_val*hz;
3172                 else
3173                         error = EINVAL;
3174                 break;
3175         case IEEE80211_IOC_FRAGTHRESHOLD:
3176                 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 &&
3177                     ireq->i_val != IEEE80211_FRAG_MAX)
3178                         return EOPNOTSUPP;
3179                 if (!(IEEE80211_FRAG_MIN <= ireq->i_val &&
3180                       ireq->i_val <= IEEE80211_FRAG_MAX))
3181                         return EINVAL;
3182                 vap->iv_fragthreshold = ireq->i_val;
3183                 error = ERESTART;
3184                 break;
3185         case IEEE80211_IOC_BURST:
3186                 if (ireq->i_val) {
3187                         if ((vap->iv_caps & IEEE80211_C_BURST) == 0)
3188                                 return EOPNOTSUPP;
3189                         ieee80211_syncflag(vap, IEEE80211_F_BURST);
3190                 } else
3191                         ieee80211_syncflag(vap, -IEEE80211_F_BURST);
3192                 error = ERESTART;
3193                 break;
3194         case IEEE80211_IOC_BMISSTHRESHOLD:
3195                 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val &&
3196                       ireq->i_val <= IEEE80211_HWBMISS_MAX))
3197                         return EINVAL;
3198                 vap->iv_bmissthreshold = ireq->i_val;
3199                 error = ERESTART;
3200                 break;
3201         case IEEE80211_IOC_CURCHAN:
3202                 error = ieee80211_ioctl_setcurchan(vap, ireq);
3203                 break;
3204         case IEEE80211_IOC_SHORTGI:
3205                 if (ireq->i_val) {
3206 #define IEEE80211_HTCAP_SHORTGI \
3207         (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40)
3208                         if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0)
3209                                 return EINVAL;
3210                         if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20)
3211                                 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20;
3212                         if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40)
3213                                 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40;
3214 #undef IEEE80211_HTCAP_SHORTGI
3215                 } else
3216                         vap->iv_flags_ht &=
3217                             ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40);
3218                 error = ERESTART;
3219                 break;
3220         case IEEE80211_IOC_AMPDU:
3221                 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0)
3222                         return EINVAL;
3223                 if (ireq->i_val & 1)
3224                         vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX;
3225                 else
3226                         vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX;
3227                 if (ireq->i_val & 2)
3228                         vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX;
3229                 else
3230                         vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX;
3231                 /* NB: reset only if we're operating on an 11n channel */
3232                 if (isvapht(vap))
3233                         error = ERESTART;
3234                 break;
3235         case IEEE80211_IOC_AMPDU_LIMIT:
3236                 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */
3237                 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val &&
3238                       ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K))
3239                         return EINVAL;
3240                 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3241                         vap->iv_ampdu_rxmax = ireq->i_val;
3242                 else
3243                         vap->iv_ampdu_limit = ireq->i_val;
3244                 error = ERESTART;
3245                 break;
3246         case IEEE80211_IOC_AMPDU_DENSITY:
3247                 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val &&
3248                       ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16))
3249                         return EINVAL;
3250                 vap->iv_ampdu_density = ireq->i_val;
3251                 error = ERESTART;
3252                 break;
3253         case IEEE80211_IOC_AMSDU:
3254                 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0)
3255                         return EINVAL;
3256                 if (ireq->i_val & 1)
3257                         vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX;
3258                 else
3259                         vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX;
3260                 if (ireq->i_val & 2)
3261                         vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX;
3262                 else
3263                         vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX;
3264                 /* NB: reset only if we're operating on an 11n channel */
3265                 if (isvapht(vap))
3266                         error = ERESTART;
3267                 break;
3268         case IEEE80211_IOC_AMSDU_LIMIT:
3269                 /* XXX validate */
3270                 vap->iv_amsdu_limit = ireq->i_val;      /* XXX truncation? */
3271                 break;
3272         case IEEE80211_IOC_PUREN:
3273                 if (ireq->i_val) {
3274                         if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3275                                 return EINVAL;
3276                         vap->iv_flags_ht |= IEEE80211_FHT_PUREN;
3277                 } else
3278                         vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN;
3279                 /* NB: reset only if we're operating on an 11n channel */
3280                 if (isvapht(vap))
3281                         error = ERESTART;
3282                 break;
3283         case IEEE80211_IOC_DOTH:
3284                 if (ireq->i_val) {
3285 #if 0
3286                         /* XXX no capability */
3287                         if ((vap->iv_caps & IEEE80211_C_DOTH) == 0)
3288                                 return EOPNOTSUPP;
3289 #endif
3290                         vap->iv_flags |= IEEE80211_F_DOTH;
3291                 } else
3292                         vap->iv_flags &= ~IEEE80211_F_DOTH;
3293                 error = ENETRESET;
3294                 break;
3295         case IEEE80211_IOC_REGDOMAIN:
3296                 error = ieee80211_ioctl_setregdomain(vap, ireq);
3297                 break;
3298         case IEEE80211_IOC_ROAM:
3299                 error = ieee80211_ioctl_setroam(vap, ireq);
3300                 break;
3301         case IEEE80211_IOC_TXPARAMS:
3302                 error = ieee80211_ioctl_settxparams(vap, ireq);
3303                 break;
3304         case IEEE80211_IOC_HTCOMPAT:
3305                 if (ireq->i_val) {
3306                         if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3307                                 return EOPNOTSUPP;
3308                         vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT;
3309                 } else
3310                         vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT;
3311                 /* NB: reset only if we're operating on an 11n channel */
3312                 if (isvapht(vap))
3313                         error = ERESTART;
3314                 break;
3315         case IEEE80211_IOC_DWDS:
3316                 if (ireq->i_val) {
3317                         /* NB: DWDS only makes sense for WDS-capable devices */
3318                         if ((ic->ic_caps & IEEE80211_C_WDS) == 0)
3319                                 return EOPNOTSUPP;
3320                         /* NB: DWDS is used only with ap+sta vaps */
3321                         if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3322                             vap->iv_opmode != IEEE80211_M_STA)
3323                                 return EINVAL;
3324                         vap->iv_flags |= IEEE80211_F_DWDS;
3325                         if (vap->iv_opmode == IEEE80211_M_STA)
3326                                 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR;
3327                 } else {
3328                         vap->iv_flags &= ~IEEE80211_F_DWDS;
3329                         if (vap->iv_opmode == IEEE80211_M_STA)
3330                                 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR;
3331                 }
3332                 break;
3333         case IEEE80211_IOC_INACTIVITY:
3334                 if (ireq->i_val)
3335                         vap->iv_flags_ext |= IEEE80211_FEXT_INACT;
3336                 else
3337                         vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT;
3338                 break;
3339         case IEEE80211_IOC_APPIE:
3340                 error = ieee80211_ioctl_setappie(vap, ireq);
3341                 break;
3342         case IEEE80211_IOC_WPS:
3343                 if (ireq->i_val) {
3344                         if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3345                                 return EOPNOTSUPP;
3346                         vap->iv_flags_ext |= IEEE80211_FEXT_WPS;
3347                 } else
3348                         vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS;
3349                 break;
3350         case IEEE80211_IOC_TSN:
3351                 if (ireq->i_val) {
3352                         if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3353                                 return EOPNOTSUPP;
3354                         vap->iv_flags_ext |= IEEE80211_FEXT_TSN;
3355                 } else
3356                         vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN;
3357                 break;
3358         case IEEE80211_IOC_CHANSWITCH:
3359                 error = ieee80211_ioctl_chanswitch(vap, ireq);
3360                 break;
3361         case IEEE80211_IOC_DFS:
3362                 if (ireq->i_val) {
3363                         if ((vap->iv_caps & IEEE80211_C_DFS) == 0)
3364                                 return EOPNOTSUPP;
3365                         /* NB: DFS requires 11h support */
3366                         if ((vap->iv_flags & IEEE80211_F_DOTH) == 0)
3367                                 return EINVAL;
3368                         vap->iv_flags_ext |= IEEE80211_FEXT_DFS;
3369                 } else
3370                         vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS;
3371                 break;
3372         case IEEE80211_IOC_DOTD:
3373                 if (ireq->i_val)
3374                         vap->iv_flags_ext |= IEEE80211_FEXT_DOTD;
3375                 else
3376                         vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD;
3377                 if (vap->iv_opmode == IEEE80211_M_STA)
3378                         error = ENETRESET;
3379                 break;
3380         case IEEE80211_IOC_HTPROTMODE:
3381                 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
3382                         return EINVAL;
3383                 vap->iv_htprotmode = ireq->i_val ?
3384                     IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE;
3385                 /* NB: if not operating in 11n this can wait */
3386                 if (isvapht(vap))
3387                         error = ERESTART;
3388                 /* Notify driver layer of HT protmode changes */
3389                 ieee80211_vap_update_ht_protmode(vap);
3390                 break;
3391         case IEEE80211_IOC_STA_VLAN:
3392                 error = ieee80211_ioctl_setstavlan(vap, ireq);
3393                 break;
3394         case IEEE80211_IOC_SMPS:
3395                 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 ||
3396                     ireq->i_val == 0x0008)      /* value of 2 is reserved */
3397                         return EINVAL;
3398                 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF &&
3399                     (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0)
3400                         return EOPNOTSUPP;
3401                 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) |
3402                         ireq->i_val;
3403                 /* NB: if not operating in 11n this can wait */
3404                 if (isvapht(vap))
3405                         error = ERESTART;
3406                 break;
3407         case IEEE80211_IOC_RIFS:
3408                 if (ireq->i_val != 0) {
3409                         if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0)
3410                                 return EOPNOTSUPP;
3411                         vap->iv_flags_ht |= IEEE80211_FHT_RIFS;
3412                 } else
3413                         vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS;
3414                 /* NB: if not operating in 11n this can wait */
3415                 if (isvapht(vap))
3416                         error = ERESTART;
3417                 break;
3418         case IEEE80211_IOC_STBC:
3419                 /* Check if we can do STBC TX/RX before changing the setting */
3420                 if ((ireq->i_val & 1) &&
3421                     ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0))
3422                         return EOPNOTSUPP;
3423                 if ((ireq->i_val & 2) &&
3424                     ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0))
3425                         return EOPNOTSUPP;
3426
3427                 /* TX */
3428                 if (ireq->i_val & 1)
3429                         vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX;
3430                 else
3431                         vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX;
3432
3433                 /* RX */
3434                 if (ireq->i_val & 2)
3435                         vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX;
3436                 else
3437                         vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX;
3438
3439                 /* NB: reset only if we're operating on an 11n channel */
3440                 if (isvapht(vap))
3441                         error = ERESTART;
3442                 break;
3443         case IEEE80211_IOC_LDPC:
3444                 /* Check if we can do LDPC TX/RX before changing the setting */
3445                 if ((ireq->i_val & 1) &&
3446                     (vap->iv_htcaps & IEEE80211_HTC_TXLDPC) == 0)
3447                         return EOPNOTSUPP;
3448                 if ((ireq->i_val & 2) &&
3449                     (vap->iv_htcaps & IEEE80211_HTCAP_LDPC) == 0)
3450                         return EOPNOTSUPP;
3451
3452                 /* TX */
3453                 if (ireq->i_val & 1)
3454                         vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX;
3455                 else
3456                         vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_TX;
3457
3458                 /* RX */
3459                 if (ireq->i_val & 2)
3460                         vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX;
3461                 else
3462                         vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_RX;
3463
3464                 /* NB: reset only if we're operating on an 11n channel */
3465                 if (isvapht(vap))
3466                         error = ERESTART;
3467                 break;
3468         case IEEE80211_IOC_UAPSD:
3469                 if ((vap->iv_caps & IEEE80211_C_UAPSD) == 0)
3470                         return EOPNOTSUPP;
3471                 if (ireq->i_val == 0)
3472                         vap->iv_flags_ext &= ~IEEE80211_FEXT_UAPSD;
3473                 else if (ireq->i_val == 1)
3474                         vap->iv_flags_ext |= IEEE80211_FEXT_UAPSD;
3475                 else
3476                         return EINVAL;
3477                 break;
3478
3479         /* VHT */
3480         case IEEE80211_IOC_VHTCONF:
3481                 if (ireq->i_val & IEEE80211_FVHT_VHT)
3482                         ieee80211_syncflag_vht(vap, IEEE80211_FVHT_VHT);
3483                 else
3484                         ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_VHT);
3485
3486                 if (ireq->i_val & IEEE80211_FVHT_USEVHT40)
3487                         ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT40);
3488                 else
3489                         ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT40);
3490
3491                 if (ireq->i_val & IEEE80211_FVHT_USEVHT80)
3492                         ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80);
3493                 else
3494                         ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80);
3495
3496                 if (ireq->i_val & IEEE80211_FVHT_USEVHT160)
3497                         ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT160);
3498                 else
3499                         ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT160);
3500
3501                 if (ireq->i_val & IEEE80211_FVHT_USEVHT80P80)
3502                         ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80P80);
3503                 else
3504                         ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80P80);
3505
3506                 error = ENETRESET;
3507                 break;
3508
3509         default:
3510                 error = ieee80211_ioctl_setdefault(vap, ireq);
3511                 break;
3512         }
3513         /*
3514          * The convention is that ENETRESET means an operation
3515          * requires a complete re-initialization of the device (e.g.
3516          * changing something that affects the association state).
3517          * ERESTART means the request may be handled with only a
3518          * reload of the hardware state.  We hand ERESTART requests
3519          * to the iv_reset callback so the driver can decide.  If
3520          * a device does not fillin iv_reset then it defaults to one
3521          * that returns ENETRESET.  Otherwise a driver may return
3522          * ENETRESET (in which case a full reset will be done) or
3523          * 0 to mean there's no need to do anything (e.g. when the
3524          * change has no effect on the driver/device).
3525          */
3526         if (error == ERESTART)
3527                 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ?
3528                     vap->iv_reset(vap, ireq->i_type) : 0;
3529         if (error == ENETRESET) {
3530                 /* XXX need to re-think AUTO handling */
3531                 if (IS_UP_AUTO(vap))
3532                         ieee80211_init(vap);
3533                 error = 0;
3534         }
3535         return error;
3536 }
3537
3538 int
3539 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
3540 {
3541         struct ieee80211vap *vap = ifp->if_softc;
3542         struct ieee80211com *ic = vap->iv_ic;
3543         int error = 0, wait = 0, ic_used;
3544         struct ifreq *ifr;
3545         struct ifaddr *ifa;                     /* XXX */
3546
3547         ic_used = (cmd != SIOCSIFMTU && cmd != SIOCG80211STATS);
3548         if (ic_used && (error = ieee80211_com_vincref(vap)) != 0)
3549                 return (error);
3550
3551         switch (cmd) {
3552         case SIOCSIFFLAGS:
3553                 IEEE80211_LOCK(ic);
3554                 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) {
3555                         /*
3556                          * Enable promiscuous mode when:
3557                          * 1. Interface is not a member of bridge, or
3558                          * 2. Requested by user, or
3559                          * 3. In monitor (or adhoc-demo) mode.
3560                          */
3561                         if (ifp->if_bridge == NULL ||
3562                             (ifp->if_flags & IFF_PPROMISC) != 0 ||
3563                             vap->iv_opmode == IEEE80211_M_MONITOR ||
3564                             (vap->iv_opmode == IEEE80211_M_AHDEMO &&
3565                             (vap->iv_caps & IEEE80211_C_TDMA) == 0)) {
3566                                 ieee80211_promisc(vap,
3567                                     ifp->if_flags & IFF_PROMISC);
3568                                 vap->iv_ifflags ^= IFF_PROMISC;
3569                         }
3570                 }
3571                 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) {
3572                         ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI);
3573                         vap->iv_ifflags ^= IFF_ALLMULTI;
3574                 }
3575                 if (ifp->if_flags & IFF_UP) {
3576                         /*
3577                          * Bring ourself up unless we're already operational.
3578                          * If we're the first vap and the parent is not up
3579                          * then it will automatically be brought up as a
3580                          * side-effect of bringing ourself up.
3581                          */
3582                         if (vap->iv_state == IEEE80211_S_INIT) {
3583                                 if (ic->ic_nrunning == 0)
3584                                         wait = 1;
3585                                 ieee80211_start_locked(vap);
3586                         }
3587                 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
3588                         /*
3589                          * Stop ourself.  If we are the last vap to be
3590                          * marked down the parent will also be taken down.
3591                          */
3592                         if (ic->ic_nrunning == 1)
3593                                 wait = 1;
3594                         ieee80211_stop_locked(vap);
3595                 }
3596                 IEEE80211_UNLOCK(ic);
3597                 /* Wait for parent ioctl handler if it was queued */
3598                 if (wait) {
3599                         struct epoch_tracker et;
3600
3601                         ieee80211_waitfor_parent(ic);
3602
3603                         /*
3604                          * Check if the MAC address was changed
3605                          * via SIOCSIFLLADDR ioctl.
3606                          *
3607                          * NB: device may be detached during initialization;
3608                          * use if_ioctl for existence check.
3609                          */
3610                         NET_EPOCH_ENTER(et);
3611                         if (ifp->if_ioctl == ieee80211_ioctl &&
3612                             (ifp->if_flags & IFF_UP) == 0 &&
3613                             !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp)))
3614                                 IEEE80211_ADDR_COPY(vap->iv_myaddr,
3615                                     IF_LLADDR(ifp));
3616                         NET_EPOCH_EXIT(et);
3617                 }
3618                 break;
3619         case SIOCADDMULTI:
3620         case SIOCDELMULTI:
3621                 ieee80211_runtask(ic, &ic->ic_mcast_task);
3622                 break;
3623         case SIOCSIFMEDIA:
3624         case SIOCGIFMEDIA:
3625                 ifr = (struct ifreq *)data;
3626                 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd);
3627                 break;
3628         case SIOCG80211:
3629                 error = ieee80211_ioctl_get80211(vap, cmd,
3630                                 (struct ieee80211req *) data);
3631                 break;
3632         case SIOCS80211:
3633                 /* XXX TODO: move priv check to ieee80211_freebsd.c */
3634                 error = priv_check(curthread, PRIV_NET80211_VAP_MANAGE);
3635                 if (error == 0)
3636                         error = ieee80211_ioctl_set80211(vap, cmd,
3637                                         (struct ieee80211req *) data);
3638                 break;
3639         case SIOCG80211STATS:
3640                 ifr = (struct ifreq *)data;
3641                 copyout(&vap->iv_stats, ifr_data_get_ptr(ifr),
3642                     sizeof (vap->iv_stats));
3643                 break;
3644         case SIOCSIFMTU:
3645                 ifr = (struct ifreq *)data;
3646                 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu &&
3647                     ifr->ifr_mtu <= IEEE80211_MTU_MAX))
3648                         error = EINVAL;
3649                 else
3650                         ifp->if_mtu = ifr->ifr_mtu;
3651                 break;
3652         case SIOCSIFADDR:
3653                 /*
3654                  * XXX Handle this directly so we can suppress if_init calls.
3655                  * XXX This should be done in ether_ioctl but for the moment
3656                  * XXX there are too many other parts of the system that
3657                  * XXX set IFF_UP and so suppress if_init being called when
3658                  * XXX it should be.
3659                  */
3660                 ifa = (struct ifaddr *) data;
3661                 switch (ifa->ifa_addr->sa_family) {
3662 #ifdef INET
3663                 case AF_INET:
3664                         if ((ifp->if_flags & IFF_UP) == 0) {
3665                                 ifp->if_flags |= IFF_UP;
3666                                 ifp->if_init(ifp->if_softc);
3667                         }
3668                         arp_ifinit(ifp, ifa);
3669                         break;
3670 #endif
3671                 default:
3672                         if ((ifp->if_flags & IFF_UP) == 0) {
3673                                 ifp->if_flags |= IFF_UP;
3674                                 ifp->if_init(ifp->if_softc);
3675                         }
3676                         break;
3677                 }
3678                 break;
3679         case SIOCSIFLLADDR:
3680                 /* XXX TODO: move priv check to ieee80211_freebsd.c */
3681                 error = priv_check(curthread, PRIV_NET80211_VAP_SETMAC);
3682                 if (error == 0)
3683                         break;
3684                 /* Fallthrough */
3685         default:
3686                 /*
3687                  * Pass unknown ioctls first to the driver, and if it
3688                  * returns ENOTTY, then to the generic Ethernet handler.
3689                  */
3690                 if (ic->ic_ioctl != NULL &&
3691                     (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY)
3692                         break;
3693                 error = ether_ioctl(ifp, cmd, data);
3694                 break;
3695         }
3696
3697         if (ic_used)
3698                 ieee80211_com_vdecref(vap);
3699
3700         return (error);
3701 }