sys/net80211/ieee80211_ioctl.c

   1 /*-
   2  * SPDX-License-Identifier: BSD-2-Clause
   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 /*
  31  * IEEE 802.11 ioctl support (FreeBSD-specific)
  32  */
  33
  34 #include "opt_inet.h"
  35 #include "opt_wlan.h"
  36
  37 #include <sys/endian.h>
  38 #include <sys/param.h>
  39 #include <sys/kernel.h>
  40 #include <sys/malloc.h>
  41 #include <sys/socket.h>
  42 #include <sys/sockio.h>
  43 #include <sys/systm.h>
  44
  45 #include <net/if.h>
  46 #include <net/if_var.h>
  47 #include <net/if_dl.h>
  48 #include <net/if_media.h>
  49 #include <net/if_private.h>
  50 #include <net/ethernet.h>
  51
  52 #ifdef INET
  53 #include <netinet/in.h>
  54 #include <netinet/if_ether.h>
  55 #endif
  56
  57 #include <net80211/ieee80211_var.h>
  58 #include <net80211/ieee80211_ioctl.h>
  59 #include <net80211/ieee80211_regdomain.h>
  60 #include <net80211/ieee80211_input.h>
  61
  62 #define IS_UP_AUTO(_vap) \
  63         (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \
  64          (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO)
  65
  66 static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
  67 static struct ieee80211_channel *findchannel(struct ieee80211com *,
  68                 int ieee, int mode);
  69 static int ieee80211_scanreq(struct ieee80211vap *,
  70                 struct ieee80211_scan_req *);
  71
  72 static int
  73 ieee80211_ioctl_getkey(u_long cmd, struct ieee80211vap *vap,
  74     struct ieee80211req *ireq)
  75 {
  76         struct ieee80211com *ic = vap->iv_ic;
  77         struct ieee80211_node *ni;
  78         struct ieee80211req_key ik;
  79         struct ieee80211_key *wk;
  80         const struct ieee80211_cipher *cip;
  81         u_int kid;
  82         int error;
  83
  84         if (ireq->i_len != sizeof(ik))
  85                 return EINVAL;
  86         error = copyin(ireq->i_data, &ik, sizeof(ik));
  87         if (error)
  88                 return error;
  89         kid = ik.ik_keyix;
  90         if (kid == IEEE80211_KEYIX_NONE) {
  91                 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr);
  92                 if (ni == NULL)
  93                         return ENOENT;
  94                 wk = &ni->ni_ucastkey;
  95         } else {
  96                 if (kid >= IEEE80211_WEP_NKID)
  97                         return EINVAL;
  98                 wk = &vap->iv_nw_keys[kid];
  99                 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr);
 100                 ni = NULL;
 101         }
 102         cip = wk->wk_cipher;
 103         ik.ik_type = cip->ic_cipher;
 104         ik.ik_keylen = wk->wk_keylen;
 105         ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV);
 106         if (wk->wk_keyix == vap->iv_def_txkey)
 107                 ik.ik_flags |= IEEE80211_KEY_DEFAULT;
 108         if (ieee80211_priv_check_vap_getkey(cmd, vap, NULL) == 0) {
 109                 /* NB: only root can read key data */
 110                 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID];
 111                 ik.ik_keytsc = wk->wk_keytsc;
 112                 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen);
 113                 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) {
 114                         memcpy(ik.ik_keydata+wk->wk_keylen,
 115                                 wk->wk_key + IEEE80211_KEYBUF_SIZE,
 116                                 IEEE80211_MICBUF_SIZE);
 117                         ik.ik_keylen += IEEE80211_MICBUF_SIZE;
 118                 }
 119         } else {
 120                 ik.ik_keyrsc = 0;
 121                 ik.ik_keytsc = 0;
 122                 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata));
 123         }
 124         if (ni != NULL)
 125                 ieee80211_free_node(ni);
 126         return copyout(&ik, ireq->i_data, sizeof(ik));
 127 }
 128
 129 static int
 130 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
 131 {
 132         struct ieee80211com *ic = vap->iv_ic;
 133
 134         if (sizeof(ic->ic_chan_active) < ireq->i_len)
 135                 ireq->i_len = sizeof(ic->ic_chan_active);
 136         return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len);
 137 }
 138
 139 static int
 140 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
 141 {
 142         struct ieee80211com *ic = vap->iv_ic;
 143         uint32_t space;
 144
 145         space = __offsetof(struct ieee80211req_chaninfo,
 146                         ic_chans[ic->ic_nchans]);
 147         if (space > ireq->i_len)
 148                 space = ireq->i_len;
 149         /* XXX assumes compatible layout */
 150         return copyout(&ic->ic_nchans, ireq->i_data, space);
 151 }
 152
 153 static int
 154 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap,
 155         struct ieee80211req *ireq, int req)
 156 {
 157         struct ieee80211_node *ni;
 158         struct ieee80211req_wpaie2 *wpaie;
 159         int error;
 160
 161         if (ireq->i_len < IEEE80211_ADDR_LEN)
 162                 return EINVAL;
 163         wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP,
 164             IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
 165         if (wpaie == NULL)
 166                 return ENOMEM;
 167         error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN);
 168         if (error != 0)
 169                 goto bad;
 170         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr);
 171         if (ni == NULL) {
 172                 error = ENOENT;
 173                 goto bad;
 174         }
 175         if (ni->ni_ies.wpa_ie != NULL) {
 176                 int ielen = ni->ni_ies.wpa_ie[1] + 2;
 177                 if (ielen > sizeof(wpaie->wpa_ie))
 178                         ielen = sizeof(wpaie->wpa_ie);
 179                 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen);
 180         }
 181         if (req == IEEE80211_IOC_WPAIE2) {
 182                 if (ni->ni_ies.rsn_ie != NULL) {
 183                         int ielen = ni->ni_ies.rsn_ie[1] + 2;
 184                         if (ielen > sizeof(wpaie->rsn_ie))
 185                                 ielen = sizeof(wpaie->rsn_ie);
 186                         memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen);
 187                 }
 188                 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2))
 189                         ireq->i_len = sizeof(struct ieee80211req_wpaie2);
 190         } else {
 191                 /* compatibility op, may overwrite wpa ie */
 192                 /* XXX check ic_flags? */
 193                 if (ni->ni_ies.rsn_ie != NULL) {
 194                         int ielen = ni->ni_ies.rsn_ie[1] + 2;
 195                         if (ielen > sizeof(wpaie->wpa_ie))
 196                                 ielen = sizeof(wpaie->wpa_ie);
 197                         memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen);
 198                 }
 199                 if (ireq->i_len > sizeof(struct ieee80211req_wpaie))
 200                         ireq->i_len = sizeof(struct ieee80211req_wpaie);
 201         }
 202         ieee80211_free_node(ni);
 203         error = copyout(wpaie, ireq->i_data, ireq->i_len);
 204 bad:
 205         IEEE80211_FREE(wpaie, M_TEMP);
 206         return error;
 207 }
 208
 209 static int
 210 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
 211 {
 212         struct ieee80211_node *ni;
 213         uint8_t macaddr[IEEE80211_ADDR_LEN];
 214         const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats);
 215         int error;
 216
 217         if (ireq->i_len < off)
 218                 return EINVAL;
 219         error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
 220         if (error != 0)
 221                 return error;
 222         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
 223         if (ni == NULL)
 224                 return ENOENT;
 225         if (ireq->i_len > sizeof(struct ieee80211req_sta_stats))
 226                 ireq->i_len = sizeof(struct ieee80211req_sta_stats);
 227         /* NB: copy out only the statistics */
 228         error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off,
 229                         ireq->i_len - off);
 230         ieee80211_free_node(ni);
 231         return error;
 232 }
 233
 234 struct scanreq {
 235         struct ieee80211req_scan_result *sr;
 236         size_t space;
 237 };
 238
 239 static size_t
 240 scan_space(const struct ieee80211_scan_entry *se, int *ielen)
 241 {
 242         size_t len;
 243
 244         *ielen = se->se_ies.len;
 245         /*
 246          * NB: ie's can be no more than 255 bytes and the max 802.11
 247          * packet is <3Kbytes so we are sure this doesn't overflow
 248          * 16-bits; if this is a concern we can drop the ie's.
 249          */
 250         len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] +
 251             se->se_meshid[1] + *ielen;
 252         return roundup(len, sizeof(uint32_t));
 253 }
 254
 255 static void
 256 get_scan_space(void *arg, const struct ieee80211_scan_entry *se)
 257 {
 258         struct scanreq *req = arg;
 259         int ielen;
 260
 261         req->space += scan_space(se, &ielen);
 262 }
 263
 264 static void
 265 get_scan_result(void *arg, const struct ieee80211_scan_entry *se)
 266 {
 267         struct scanreq *req = arg;
 268         struct ieee80211req_scan_result *sr;
 269         int ielen, len, nr, nxr;
 270         uint8_t *cp;
 271
 272         len = scan_space(se, &ielen);
 273         if (len > req->space)
 274                 return;
 275
 276         sr = req->sr;
 277         KASSERT(len <= 65535 && ielen <= 65535,
 278             ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen));
 279         sr->isr_len = len;
 280         sr->isr_ie_off = sizeof(struct ieee80211req_scan_result);
 281         sr->isr_ie_len = ielen;
 282         sr->isr_freq = se->se_chan->ic_freq;
 283         sr->isr_flags = se->se_chan->ic_flags;
 284         sr->isr_rssi = se->se_rssi;
 285         sr->isr_noise = se->se_noise;
 286         sr->isr_intval = se->se_intval;
 287         sr->isr_capinfo = se->se_capinfo;
 288         sr->isr_erp = se->se_erp;
 289         IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid);
 290         nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE);
 291         memcpy(sr->isr_rates, se->se_rates+2, nr);
 292         nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr);
 293         memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr);
 294         sr->isr_nrates = nr + nxr;
 295
 296         /* copy SSID */
 297         sr->isr_ssid_len = se->se_ssid[1];
 298         cp = ((uint8_t *)sr) + sr->isr_ie_off;
 299         memcpy(cp, se->se_ssid+2, sr->isr_ssid_len);
 300
 301         /* copy mesh id */
 302         cp += sr->isr_ssid_len;
 303         sr->isr_meshid_len = se->se_meshid[1];
 304         memcpy(cp, se->se_meshid+2, sr->isr_meshid_len);
 305         cp += sr->isr_meshid_len;
 306
 307         if (ielen)
 308                 memcpy(cp, se->se_ies.data, ielen);
 309
 310         req->space -= len;
 311         req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len);
 312 }
 313
 314 static int
 315 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap,
 316         struct ieee80211req *ireq)
 317 {
 318         struct scanreq req;
 319         int error;
 320
 321         if (ireq->i_len < sizeof(struct scanreq))
 322                 return EFAULT;
 323
 324         error = 0;
 325         req.space = 0;
 326         ieee80211_scan_iterate(vap, get_scan_space, &req);
 327         if (req.space > ireq->i_len)
 328                 req.space = ireq->i_len;
 329         if (req.space > 0) {
 330                 uint32_t space;
 331                 void *p;
 332
 333                 space = req.space;
 334                 /* XXX IEEE80211_M_WAITOK after driver lock released */
 335                 p = IEEE80211_MALLOC(space, M_TEMP,
 336                     IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
 337                 if (p == NULL)
 338                         return ENOMEM;
 339                 req.sr = p;
 340                 ieee80211_scan_iterate(vap, get_scan_result, &req);
 341                 ireq->i_len = space - req.space;
 342                 error = copyout(p, ireq->i_data, ireq->i_len);
 343                 IEEE80211_FREE(p, M_TEMP);
 344         } else
 345                 ireq->i_len = 0;
 346
 347         return error;
 348 }
 349
 350 struct stainforeq {
 351         struct ieee80211req_sta_info *si;
 352         size_t  space;
 353 };
 354
 355 static size_t
 356 sta_space(const struct ieee80211_node *ni, size_t *ielen)
 357 {
 358         *ielen = ni->ni_ies.len;
 359         return roundup(sizeof(struct ieee80211req_sta_info) + *ielen,
 360                       sizeof(uint32_t));
 361 }
 362
 363 static void
 364 get_sta_space(void *arg, struct ieee80211_node *ni)
 365 {
 366         struct stainforeq *req = arg;
 367         size_t ielen;
 368
 369         if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP &&
 370             ni->ni_associd == 0)        /* only associated stations */
 371                 return;
 372         req->space += sta_space(ni, &ielen);
 373 }
 374
 375 static void
 376 get_sta_info(void *arg, struct ieee80211_node *ni)
 377 {
 378         struct stainforeq *req = arg;
 379         struct ieee80211vap *vap = ni->ni_vap;
 380         struct ieee80211req_sta_info *si;
 381         size_t ielen, len;
 382         uint8_t *cp;
 383
 384         if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
 385             ni->ni_associd == 0)        /* only associated stations */
 386                 return;
 387         if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */
 388                 return;
 389         len = sta_space(ni, &ielen);
 390         if (len > req->space)
 391                 return;
 392         si = req->si;
 393         si->isi_len = len;
 394         si->isi_ie_off = sizeof(struct ieee80211req_sta_info);
 395         si->isi_ie_len = ielen;
 396         si->isi_freq = ni->ni_chan->ic_freq;
 397         si->isi_flags = ni->ni_chan->ic_flags;
 398         si->isi_state = ni->ni_flags;
 399         si->isi_authmode = ni->ni_authmode;
 400         vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise);
 401         vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo);
 402         si->isi_capinfo = ni->ni_capinfo;
 403         si->isi_erp = ni->ni_erp;
 404         IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr);
 405         si->isi_nrates = ni->ni_rates.rs_nrates;
 406         if (si->isi_nrates > 15)
 407                 si->isi_nrates = 15;
 408         memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates);
 409         si->isi_txrate = ni->ni_txrate;
 410         if (si->isi_txrate & IEEE80211_RATE_MCS) {
 411                 const struct ieee80211_mcs_rates *mcs =
 412                     &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS];
 413                 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) {
 414                         if (ni->ni_flags & IEEE80211_NODE_SGI40)
 415                                 si->isi_txmbps = mcs->ht40_rate_800ns;
 416                         else
 417                                 si->isi_txmbps = mcs->ht40_rate_400ns;
 418                 } else {
 419                         if (ni->ni_flags & IEEE80211_NODE_SGI20)
 420                                 si->isi_txmbps = mcs->ht20_rate_800ns;
 421                         else
 422                                 si->isi_txmbps = mcs->ht20_rate_400ns;
 423                 }
 424         } else
 425                 si->isi_txmbps = si->isi_txrate;
 426         si->isi_associd = ni->ni_associd;
 427         si->isi_txpower = ni->ni_txpower;
 428         si->isi_vlan = ni->ni_vlan;
 429         if (ni->ni_flags & IEEE80211_NODE_QOS) {
 430                 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs));
 431                 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs));
 432         } else {
 433                 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID];
 434                 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID];
 435         }
 436         /* NB: leave all cases in case we relax ni_associd == 0 check */
 437         if (ieee80211_node_is_authorized(ni))
 438                 si->isi_inact = vap->iv_inact_run;
 439         else if (ni->ni_associd != 0 ||
 440             (vap->iv_opmode == IEEE80211_M_WDS &&
 441              (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY)))
 442                 si->isi_inact = vap->iv_inact_auth;
 443         else
 444                 si->isi_inact = vap->iv_inact_init;
 445         si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT;
 446         si->isi_localid = ni->ni_mllid;
 447         si->isi_peerid = ni->ni_mlpid;
 448         si->isi_peerstate = ni->ni_mlstate;
 449
 450         if (ielen) {
 451                 cp = ((uint8_t *)si) + si->isi_ie_off;
 452                 memcpy(cp, ni->ni_ies.data, ielen);
 453         }
 454
 455         req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len);
 456         req->space -= len;
 457 }
 458
 459 static int
 460 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq,
 461         struct ieee80211_node *ni, size_t off)
 462 {
 463         struct ieee80211com *ic = vap->iv_ic;
 464         struct stainforeq req;
 465         size_t space;
 466         void *p;
 467         int error;
 468
 469         error = 0;
 470         req.space = 0;
 471         if (ni == NULL) {
 472                 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_sta_space,
 473                     &req);
 474         } else
 475                 get_sta_space(&req, ni);
 476         if (req.space > ireq->i_len)
 477                 req.space = ireq->i_len;
 478         if (req.space > 0) {
 479                 space = req.space;
 480                 /* XXX IEEE80211_M_WAITOK after driver lock released */
 481                 p = IEEE80211_MALLOC(space, M_TEMP,
 482                     IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
 483                 if (p == NULL) {
 484                         error = ENOMEM;
 485                         goto bad;
 486                 }
 487                 req.si = p;
 488                 if (ni == NULL) {
 489                         ieee80211_iterate_nodes_vap(&ic->ic_sta, vap,
 490                             get_sta_info, &req);
 491                 } else
 492                         get_sta_info(&req, ni);
 493                 ireq->i_len = space - req.space;
 494                 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len);
 495                 IEEE80211_FREE(p, M_TEMP);
 496         } else
 497                 ireq->i_len = 0;
 498 bad:
 499         if (ni != NULL)
 500                 ieee80211_free_node(ni);
 501         return error;
 502 }
 503
 504 static int
 505 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
 506 {
 507         uint8_t macaddr[IEEE80211_ADDR_LEN];
 508         const size_t off = __offsetof(struct ieee80211req_sta_req, info);
 509         struct ieee80211_node *ni;
 510         int error;
 511
 512         if (ireq->i_len < sizeof(struct ieee80211req_sta_req))
 513                 return EFAULT;
 514         error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
 515         if (error != 0)
 516                 return error;
 517         if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) {
 518                 ni = NULL;
 519         } else {
 520                 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
 521                 if (ni == NULL)
 522                         return ENOENT;
 523         }
 524         return getstainfo_common(vap, ireq, ni, off);
 525 }
 526
 527 static int
 528 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
 529 {
 530         struct ieee80211_node *ni;
 531         struct ieee80211req_sta_txpow txpow;
 532         int error;
 533
 534         if (ireq->i_len != sizeof(txpow))
 535                 return EINVAL;
 536         error = copyin(ireq->i_data, &txpow, sizeof(txpow));
 537         if (error != 0)
 538                 return error;
 539         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
 540         if (ni == NULL)
 541                 return ENOENT;
 542         txpow.it_txpow = ni->ni_txpower;
 543         error = copyout(&txpow, ireq->i_data, sizeof(txpow));
 544         ieee80211_free_node(ni);
 545         return error;
 546 }
 547
 548 static int
 549 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
 550 {
 551         struct ieee80211com *ic = vap->iv_ic;
 552         struct ieee80211_wme_state *wme = &ic->ic_wme;
 553         struct wmeParams *wmep;
 554         int ac;
 555
 556         if ((ic->ic_caps & IEEE80211_C_WME) == 0)
 557                 return EINVAL;
 558
 559         ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
 560         if (ac >= WME_NUM_AC)
 561                 ac = WME_AC_BE;
 562         if (ireq->i_len & IEEE80211_WMEPARAM_BSS)
 563                 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
 564         else
 565                 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
 566         switch (ireq->i_type) {
 567         case IEEE80211_IOC_WME_CWMIN:           /* WME: CWmin */
 568                 ireq->i_val = wmep->wmep_logcwmin;
 569                 break;
 570         case IEEE80211_IOC_WME_CWMAX:           /* WME: CWmax */
 571                 ireq->i_val = wmep->wmep_logcwmax;
 572                 break;
 573         case IEEE80211_IOC_WME_AIFS:            /* WME: AIFS */
 574                 ireq->i_val = wmep->wmep_aifsn;
 575                 break;
 576         case IEEE80211_IOC_WME_TXOPLIMIT:       /* WME: txops limit */
 577                 ireq->i_val = wmep->wmep_txopLimit;
 578                 break;
 579         case IEEE80211_IOC_WME_ACM:             /* WME: ACM (bss only) */
 580                 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
 581                 ireq->i_val = wmep->wmep_acm;
 582                 break;
 583         case IEEE80211_IOC_WME_ACKPOLICY:       /* WME: ACK policy (!bss only)*/
 584                 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
 585                 ireq->i_val = !wmep->wmep_noackPolicy;
 586                 break;
 587         }
 588         return 0;
 589 }
 590
 591 static int
 592 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
 593 {
 594         const struct ieee80211_aclator *acl = vap->iv_acl;
 595
 596         return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq));
 597 }
 598
 599 static int
 600 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq)
 601 {
 602         struct ieee80211com *ic = vap->iv_ic;
 603         struct ieee80211_channel *c;
 604
 605         if (ireq->i_len != sizeof(struct ieee80211_channel))
 606                 return EINVAL;
 607         /*
 608          * vap's may have different operating channels when HT is
 609          * in use.  When in RUN state report the vap-specific channel.
 610          * Otherwise return curchan.
 611          */
 612         if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)
 613                 c = vap->iv_bss->ni_chan;
 614         else
 615                 c = ic->ic_curchan;
 616         return copyout(c, ireq->i_data, sizeof(*c));
 617 }
 618
 619 static int
 620 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq)
 621 {
 622         if (aie == NULL)
 623                 return EINVAL;
 624         /* NB: truncate, caller can check length */
 625         if (ireq->i_len > aie->ie_len)
 626                 ireq->i_len = aie->ie_len;
 627         return copyout(aie->ie_data, ireq->i_data, ireq->i_len);
 628 }
 629
 630 static int
 631 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq)
 632 {
 633         uint8_t fc0;
 634
 635         fc0 = ireq->i_val & 0xff;
 636         if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
 637                 return EINVAL;
 638         /* NB: could check iv_opmode and reject but hardly worth the effort */
 639         switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
 640         case IEEE80211_FC0_SUBTYPE_BEACON:
 641                 return getappie(vap->iv_appie_beacon, ireq);
 642         case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
 643                 return getappie(vap->iv_appie_proberesp, ireq);
 644         case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
 645                 return getappie(vap->iv_appie_assocresp, ireq);
 646         case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
 647                 return getappie(vap->iv_appie_probereq, ireq);
 648         case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
 649                 return getappie(vap->iv_appie_assocreq, ireq);
 650         case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP:
 651                 return getappie(vap->iv_appie_wpa, ireq);
 652         }
 653         return EINVAL;
 654 }
 655
 656 static int
 657 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap,
 658         const struct ieee80211req *ireq)
 659 {
 660         struct ieee80211com *ic = vap->iv_ic;
 661
 662         if (ireq->i_len != sizeof(ic->ic_regdomain))
 663                 return EINVAL;
 664         return copyout(&ic->ic_regdomain, ireq->i_data,
 665             sizeof(ic->ic_regdomain));
 666 }
 667
 668 static int
 669 ieee80211_ioctl_getroam(struct ieee80211vap *vap,
 670         const struct ieee80211req *ireq)
 671 {
 672         size_t len = ireq->i_len;
 673         /* NB: accept short requests for backwards compat */
 674         if (len > sizeof(vap->iv_roamparms))
 675                 len = sizeof(vap->iv_roamparms);
 676         return copyout(vap->iv_roamparms, ireq->i_data, len);
 677 }
 678
 679 static int
 680 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap,
 681         const struct ieee80211req *ireq)
 682 {
 683         size_t len = ireq->i_len;
 684         /* NB: accept short requests for backwards compat */
 685         if (len > sizeof(vap->iv_txparms))
 686                 len = sizeof(vap->iv_txparms);
 687         return copyout(vap->iv_txparms, ireq->i_data, len);
 688 }
 689
 690 static int
 691 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic,
 692         const struct ieee80211req *ireq)
 693 {
 694         struct ieee80211_devcaps_req *dc;
 695         struct ieee80211req_chaninfo *ci;
 696         int maxchans, error;
 697
 698         maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) /
 699             sizeof(struct ieee80211_channel));
 700         /* NB: require 1 so we know ic_nchans is accessible */
 701         if (maxchans < 1)
 702                 return EINVAL;
 703         /* constrain max request size, 2K channels is ~24Kbytes */
 704         if (maxchans > 2048)
 705                 maxchans = 2048;
 706         dc = (struct ieee80211_devcaps_req *)
 707             IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP,
 708             IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
 709         if (dc == NULL)
 710                 return ENOMEM;
 711         dc->dc_drivercaps = ic->ic_caps;
 712         dc->dc_cryptocaps = ic->ic_cryptocaps;
 713         dc->dc_htcaps = ic->ic_htcaps;
 714         dc->dc_vhtcaps = ic->ic_vht_cap.vht_cap_info;
 715         ci = &dc->dc_chaninfo;
 716         ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans);
 717         KASSERT(ci->ic_nchans <= maxchans,
 718             ("nchans %d maxchans %d", ci->ic_nchans, maxchans));
 719         ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans);
 720         error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc));
 721         IEEE80211_FREE(dc, M_TEMP);
 722         return error;
 723 }
 724
 725 static int
 726 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
 727 {
 728         struct ieee80211_node *ni;
 729         struct ieee80211req_sta_vlan vlan;
 730         int error;
 731
 732         if (ireq->i_len != sizeof(vlan))
 733                 return EINVAL;
 734         error = copyin(ireq->i_data, &vlan, sizeof(vlan));
 735         if (error != 0)
 736                 return error;
 737         if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
 738                 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
 739                     vlan.sv_macaddr);
 740                 if (ni == NULL)
 741                         return ENOENT;
 742         } else
 743                 ni = ieee80211_ref_node(vap->iv_bss);
 744         vlan.sv_vlan = ni->ni_vlan;
 745         error = copyout(&vlan, ireq->i_data, sizeof(vlan));
 746         ieee80211_free_node(ni);
 747         return error;
 748 }
 749
 750 /*
 751  * Dummy ioctl get handler so the linker set is defined.
 752  */
 753 static int
 754 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq)
 755 {
 756         return ENOSYS;
 757 }
 758 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get);
 759
 760 static int
 761 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
 762 {
 763         ieee80211_ioctl_getfunc * const *get;
 764         int error;
 765
 766         SET_FOREACH(get, ieee80211_ioctl_getset) {
 767                 error = (*get)(vap, ireq);
 768                 if (error != ENOSYS)
 769                         return error;
 770         }
 771         return EINVAL;
 772 }
 773
 774 static int
 775 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd,
 776     struct ieee80211req *ireq)
 777 {
 778         struct ieee80211com *ic = vap->iv_ic;
 779         u_int kid, len;
 780         uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
 781         char tmpssid[IEEE80211_NWID_LEN];
 782         int error = 0;
 783
 784         switch (ireq->i_type) {
 785         case IEEE80211_IOC_IC_NAME:
 786                 len = strlen(ic->ic_name) + 1;
 787                 if (len > ireq->i_len)
 788                         return (EINVAL);
 789                 ireq->i_len = len;
 790                 error = copyout(ic->ic_name, ireq->i_data, ireq->i_len);
 791                 break;
 792         case IEEE80211_IOC_SSID:
 793                 switch (vap->iv_state) {
 794                 case IEEE80211_S_INIT:
 795                 case IEEE80211_S_SCAN:
 796                         ireq->i_len = vap->iv_des_ssid[0].len;
 797                         memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len);
 798                         break;
 799                 default:
 800                         ireq->i_len = vap->iv_bss->ni_esslen;
 801                         memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len);
 802                         break;
 803                 }
 804                 error = copyout(tmpssid, ireq->i_data, ireq->i_len);
 805                 break;
 806         case IEEE80211_IOC_NUMSSIDS:
 807                 ireq->i_val = 1;
 808                 break;
 809         case IEEE80211_IOC_WEP:
 810                 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0)
 811                         ireq->i_val = IEEE80211_WEP_OFF;
 812                 else if (vap->iv_flags & IEEE80211_F_DROPUNENC)
 813                         ireq->i_val = IEEE80211_WEP_ON;
 814                 else
 815                         ireq->i_val = IEEE80211_WEP_MIXED;
 816                 break;
 817         case IEEE80211_IOC_WEPKEY:
 818                 kid = (u_int) ireq->i_val;
 819                 if (kid >= IEEE80211_WEP_NKID)
 820                         return EINVAL;
 821                 len = (u_int) vap->iv_nw_keys[kid].wk_keylen;
 822                 /* NB: only root can read WEP keys */
 823                 if (ieee80211_priv_check_vap_getkey(cmd, vap, NULL) == 0) {
 824                         bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len);
 825                 } else {
 826                         bzero(tmpkey, len);
 827                 }
 828                 ireq->i_len = len;
 829                 error = copyout(tmpkey, ireq->i_data, len);
 830                 break;
 831         case IEEE80211_IOC_NUMWEPKEYS:
 832                 ireq->i_val = IEEE80211_WEP_NKID;
 833                 break;
 834         case IEEE80211_IOC_WEPTXKEY:
 835                 ireq->i_val = vap->iv_def_txkey;
 836                 break;
 837         case IEEE80211_IOC_AUTHMODE:
 838                 if (vap->iv_flags & IEEE80211_F_WPA)
 839                         ireq->i_val = IEEE80211_AUTH_WPA;
 840                 else
 841                         ireq->i_val = vap->iv_bss->ni_authmode;
 842                 break;
 843         case IEEE80211_IOC_CHANNEL:
 844                 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan);
 845                 break;
 846         case IEEE80211_IOC_POWERSAVE:
 847                 if (vap->iv_flags & IEEE80211_F_PMGTON)
 848                         ireq->i_val = IEEE80211_POWERSAVE_ON;
 849                 else
 850                         ireq->i_val = IEEE80211_POWERSAVE_OFF;
 851                 break;
 852         case IEEE80211_IOC_POWERSAVESLEEP:
 853                 ireq->i_val = ic->ic_lintval;
 854                 break;
 855         case IEEE80211_IOC_RTSTHRESHOLD:
 856                 ireq->i_val = vap->iv_rtsthreshold;
 857                 break;
 858         case IEEE80211_IOC_PROTMODE:
 859                 ireq->i_val = vap->iv_protmode;
 860                 break;
 861         case IEEE80211_IOC_TXPOWER:
 862                 /*
 863                  * Tx power limit is the min of max regulatory
 864                  * power, any user-set limit, and the max the
 865                  * radio can do.
 866                  *
 867                  * TODO: methodize this
 868                  */
 869                 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower;
 870                 if (ireq->i_val > ic->ic_txpowlimit)
 871                         ireq->i_val = ic->ic_txpowlimit;
 872                 if (ireq->i_val > ic->ic_curchan->ic_maxpower)
 873                         ireq->i_val = ic->ic_curchan->ic_maxpower;
 874                 break;
 875         case IEEE80211_IOC_WPA:
 876                 switch (vap->iv_flags & IEEE80211_F_WPA) {
 877                 case IEEE80211_F_WPA1:
 878                         ireq->i_val = 1;
 879                         break;
 880                 case IEEE80211_F_WPA2:
 881                         ireq->i_val = 2;
 882                         break;
 883                 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2:
 884                         ireq->i_val = 3;
 885                         break;
 886                 default:
 887                         ireq->i_val = 0;
 888                         break;
 889                 }
 890                 break;
 891         case IEEE80211_IOC_CHANLIST:
 892                 error = ieee80211_ioctl_getchanlist(vap, ireq);
 893                 break;
 894         case IEEE80211_IOC_ROAMING:
 895                 ireq->i_val = vap->iv_roaming;
 896                 break;
 897         case IEEE80211_IOC_PRIVACY:
 898                 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0;
 899                 break;
 900         case IEEE80211_IOC_DROPUNENCRYPTED:
 901                 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0;
 902                 break;
 903         case IEEE80211_IOC_COUNTERMEASURES:
 904                 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0;
 905                 break;
 906         case IEEE80211_IOC_WME:
 907                 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0;
 908                 break;
 909         case IEEE80211_IOC_HIDESSID:
 910                 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0;
 911                 break;
 912         case IEEE80211_IOC_APBRIDGE:
 913                 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0;
 914                 break;
 915         case IEEE80211_IOC_WPAKEY:
 916                 error = ieee80211_ioctl_getkey(cmd, vap, ireq);
 917                 break;
 918         case IEEE80211_IOC_CHANINFO:
 919                 error = ieee80211_ioctl_getchaninfo(vap, ireq);
 920                 break;
 921         case IEEE80211_IOC_BSSID:
 922                 if (ireq->i_len != IEEE80211_ADDR_LEN)
 923                         return EINVAL;
 924                 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) {
 925                         error = copyout(vap->iv_opmode == IEEE80211_M_WDS ?
 926                             vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid,
 927                             ireq->i_data, ireq->i_len);
 928                 } else
 929                         error = copyout(vap->iv_des_bssid, ireq->i_data,
 930                             ireq->i_len);
 931                 break;
 932         case IEEE80211_IOC_WPAIE:
 933         case IEEE80211_IOC_WPAIE2:
 934                 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
 935                 break;
 936         case IEEE80211_IOC_SCAN_RESULTS:
 937                 error = ieee80211_ioctl_getscanresults(vap, ireq);
 938                 break;
 939         case IEEE80211_IOC_STA_STATS:
 940                 error = ieee80211_ioctl_getstastats(vap, ireq);
 941                 break;
 942         case IEEE80211_IOC_TXPOWMAX:
 943                 ireq->i_val = vap->iv_bss->ni_txpower;
 944                 break;
 945         case IEEE80211_IOC_STA_TXPOW:
 946                 error = ieee80211_ioctl_getstatxpow(vap, ireq);
 947                 break;
 948         case IEEE80211_IOC_STA_INFO:
 949                 error = ieee80211_ioctl_getstainfo(vap, ireq);
 950                 break;
 951         case IEEE80211_IOC_WME_CWMIN:           /* WME: CWmin */
 952         case IEEE80211_IOC_WME_CWMAX:           /* WME: CWmax */
 953         case IEEE80211_IOC_WME_AIFS:            /* WME: AIFS */
 954         case IEEE80211_IOC_WME_TXOPLIMIT:       /* WME: txops limit */
 955         case IEEE80211_IOC_WME_ACM:             /* WME: ACM (bss only) */
 956         case IEEE80211_IOC_WME_ACKPOLICY:       /* WME: ACK policy (!bss only) */
 957                 error = ieee80211_ioctl_getwmeparam(vap, ireq);
 958                 break;
 959         case IEEE80211_IOC_DTIM_PERIOD:
 960                 ireq->i_val = vap->iv_dtim_period;
 961                 break;
 962         case IEEE80211_IOC_BEACON_INTERVAL:
 963                 /* NB: get from ic_bss for station mode */
 964                 ireq->i_val = vap->iv_bss->ni_intval;
 965                 break;
 966         case IEEE80211_IOC_PUREG:
 967                 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0;
 968                 break;
 969         case IEEE80211_IOC_QUIET:
 970                 ireq->i_val = vap->iv_quiet;
 971                 break;
 972         case IEEE80211_IOC_QUIET_COUNT:
 973                 ireq->i_val = vap->iv_quiet_count;
 974                 break;
 975         case IEEE80211_IOC_QUIET_PERIOD:
 976                 ireq->i_val = vap->iv_quiet_period;
 977                 break;
 978         case IEEE80211_IOC_QUIET_DUR:
 979                 ireq->i_val = vap->iv_quiet_duration;
 980                 break;
 981         case IEEE80211_IOC_QUIET_OFFSET:
 982                 ireq->i_val = vap->iv_quiet_offset;
 983                 break;
 984         case IEEE80211_IOC_BGSCAN:
 985                 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0;
 986                 break;
 987         case IEEE80211_IOC_BGSCAN_IDLE:
 988                 ireq->i_val = vap->iv_bgscanidle*hz/1000;       /* ms */
 989                 break;
 990         case IEEE80211_IOC_BGSCAN_INTERVAL:
 991                 ireq->i_val = vap->iv_bgscanintvl/hz;           /* seconds */
 992                 break;
 993         case IEEE80211_IOC_SCANVALID:
 994                 ireq->i_val = vap->iv_scanvalid/hz;             /* seconds */
 995                 break;
 996         case IEEE80211_IOC_FRAGTHRESHOLD:
 997                 ireq->i_val = vap->iv_fragthreshold;
 998                 break;
 999         case IEEE80211_IOC_MACCMD:
1000                 error = ieee80211_ioctl_getmaccmd(vap, ireq);
1001                 break;
1002         case IEEE80211_IOC_BURST:
1003                 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0;
1004                 break;
1005         case IEEE80211_IOC_BMISSTHRESHOLD:
1006                 ireq->i_val = vap->iv_bmissthreshold;
1007                 break;
1008         case IEEE80211_IOC_CURCHAN:
1009                 error = ieee80211_ioctl_getcurchan(vap, ireq);
1010                 break;
1011         case IEEE80211_IOC_SHORTGI:
1012                 ireq->i_val = 0;
1013                 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20)
1014                         ireq->i_val |= IEEE80211_HTCAP_SHORTGI20;
1015                 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40)
1016                         ireq->i_val |= IEEE80211_HTCAP_SHORTGI40;
1017                 break;
1018         case IEEE80211_IOC_AMPDU:
1019                 ireq->i_val = 0;
1020                 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX)
1021                         ireq->i_val |= 1;
1022                 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX)
1023                         ireq->i_val |= 2;
1024                 break;
1025         case IEEE80211_IOC_AMPDU_LIMIT:
1026                 /* XXX TODO: make this a per-node thing; and leave this as global */
1027                 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
1028                         ireq->i_val = vap->iv_ampdu_rxmax;
1029                 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)
1030                         /*
1031                          * XXX TODO: this isn't completely correct, as we've
1032                          * negotiated the higher of the two.
1033                          */
1034                         ireq->i_val = _IEEE80211_MASKSHIFT( vap->iv_bss->ni_htparam,
1035                             IEEE80211_HTCAP_MAXRXAMPDU);
1036                 else
1037                         ireq->i_val = vap->iv_ampdu_limit;
1038                 break;
1039         case IEEE80211_IOC_AMPDU_DENSITY:
1040                 /* XXX TODO: make this a per-node thing; and leave this as global */
1041                 if (vap->iv_opmode == IEEE80211_M_STA &&
1042                     (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP))
1043                         /*
1044                          * XXX TODO: this isn't completely correct, as we've
1045                          * negotiated the higher of the two.
1046                          */
1047                         ireq->i_val = _IEEE80211_MASKSHIFT(vap->iv_bss->ni_htparam,
1048                             IEEE80211_HTCAP_MPDUDENSITY);
1049                 else
1050                         ireq->i_val = vap->iv_ampdu_density;
1051                 break;
1052         case IEEE80211_IOC_AMSDU:
1053                 ireq->i_val = 0;
1054                 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
1055                         ireq->i_val |= 1;
1056                 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX)
1057                         ireq->i_val |= 2;
1058                 break;
1059         case IEEE80211_IOC_AMSDU_LIMIT:
1060                 ireq->i_val = vap->iv_amsdu_limit;      /* XXX truncation? */
1061                 break;
1062         case IEEE80211_IOC_PUREN:
1063                 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0;
1064                 break;
1065         case IEEE80211_IOC_DOTH:
1066                 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0;
1067                 break;
1068         case IEEE80211_IOC_REGDOMAIN:
1069                 error = ieee80211_ioctl_getregdomain(vap, ireq);
1070                 break;
1071         case IEEE80211_IOC_ROAM:
1072                 error = ieee80211_ioctl_getroam(vap, ireq);
1073                 break;
1074         case IEEE80211_IOC_TXPARAMS:
1075                 error = ieee80211_ioctl_gettxparams(vap, ireq);
1076                 break;
1077         case IEEE80211_IOC_HTCOMPAT:
1078                 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0;
1079                 break;
1080         case IEEE80211_IOC_DWDS:
1081                 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0;
1082                 break;
1083         case IEEE80211_IOC_INACTIVITY:
1084                 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0;
1085                 break;
1086         case IEEE80211_IOC_APPIE:
1087                 error = ieee80211_ioctl_getappie(vap, ireq);
1088                 break;
1089         case IEEE80211_IOC_WPS:
1090                 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0;
1091                 break;
1092         case IEEE80211_IOC_TSN:
1093                 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0;
1094                 break;
1095         case IEEE80211_IOC_DFS:
1096                 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0;
1097                 break;
1098         case IEEE80211_IOC_DOTD:
1099                 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0;
1100                 break;
1101         case IEEE80211_IOC_DEVCAPS:
1102                 error = ieee80211_ioctl_getdevcaps(ic, ireq);
1103                 break;
1104         case IEEE80211_IOC_HTPROTMODE:
1105                 ireq->i_val = vap->iv_htprotmode;
1106                 break;
1107         case IEEE80211_IOC_HTCONF:
1108                 if (vap->iv_flags_ht & IEEE80211_FHT_HT) {
1109                         ireq->i_val = 1;
1110                         if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40)
1111                                 ireq->i_val |= 2;
1112                 } else
1113                         ireq->i_val = 0;
1114                 break;
1115         case IEEE80211_IOC_STA_VLAN:
1116                 error = ieee80211_ioctl_getstavlan(vap, ireq);
1117                 break;
1118         case IEEE80211_IOC_SMPS:
1119                 if (vap->iv_opmode == IEEE80211_M_STA &&
1120                     (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) {
1121                         if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS)
1122                                 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC;
1123                         else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS)
1124                                 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA;
1125                         else
1126                                 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF;
1127                 } else
1128                         ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS;
1129                 break;
1130         case IEEE80211_IOC_RIFS:
1131                 if (vap->iv_opmode == IEEE80211_M_STA &&
1132                     (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP))
1133                         ireq->i_val =
1134                             (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0;
1135                 else
1136                         ireq->i_val =
1137                             (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0;
1138                 break;
1139         case IEEE80211_IOC_STBC:
1140                 ireq->i_val = 0;
1141                 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX)
1142                         ireq->i_val |= 1;
1143                 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX)
1144                         ireq->i_val |= 2;
1145                 break;
1146         case IEEE80211_IOC_LDPC:
1147                 ireq->i_val = 0;
1148                 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_TX)
1149                         ireq->i_val |= 1;
1150                 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_RX)
1151                         ireq->i_val |= 2;
1152                 break;
1153         case IEEE80211_IOC_UAPSD:
1154                 ireq->i_val = 0;
1155                 if (vap->iv_flags_ext & IEEE80211_FEXT_UAPSD)
1156                         ireq->i_val = 1;
1157                 break;
1158         case IEEE80211_IOC_VHTCONF:
1159                 ireq->i_val = vap->iv_vht_flags & IEEE80211_FVHT_MASK;
1160                 break;
1161         default:
1162                 error = ieee80211_ioctl_getdefault(vap, ireq);
1163                 break;
1164         }
1165         return error;
1166 }
1167
1168 static int
1169 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1170 {
1171         struct ieee80211req_key ik;
1172         struct ieee80211_node *ni;
1173         struct ieee80211_key *wk;
1174         uint16_t kid;
1175         int error, i;
1176
1177         if (ireq->i_len != sizeof(ik))
1178                 return EINVAL;
1179         error = copyin(ireq->i_data, &ik, sizeof(ik));
1180         if (error)
1181                 return error;
1182         /* NB: cipher support is verified by ieee80211_crypt_newkey */
1183         /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */
1184         if (ik.ik_keylen > sizeof(ik.ik_keydata))
1185                 return E2BIG;
1186         kid = ik.ik_keyix;
1187         if (kid == IEEE80211_KEYIX_NONE) {
1188                 /* XXX unicast keys currently must be tx/rx */
1189                 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))
1190                         return EINVAL;
1191                 if (vap->iv_opmode == IEEE80211_M_STA) {
1192                         ni = ieee80211_ref_node(vap->iv_bss);
1193                         if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) {
1194                                 ieee80211_free_node(ni);
1195                                 return EADDRNOTAVAIL;
1196                         }
1197                 } else {
1198                         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1199                                 ik.ik_macaddr);
1200                         if (ni == NULL)
1201                                 return ENOENT;
1202                 }
1203                 wk = &ni->ni_ucastkey;
1204         } else {
1205                 if (kid >= IEEE80211_WEP_NKID)
1206                         return EINVAL;
1207                 wk = &vap->iv_nw_keys[kid];
1208                 /*
1209                  * Global slots start off w/o any assigned key index.
1210                  * Force one here for consistency with IEEE80211_IOC_WEPKEY.
1211                  */
1212                 if (wk->wk_keyix == IEEE80211_KEYIX_NONE)
1213                         wk->wk_keyix = kid;
1214                 ni = NULL;
1215         }
1216         error = 0;
1217         ieee80211_key_update_begin(vap);
1218         if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) {
1219                 wk->wk_keylen = ik.ik_keylen;
1220                 /* NB: MIC presence is implied by cipher type */
1221                 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE)
1222                         wk->wk_keylen = IEEE80211_KEYBUF_SIZE;
1223                 for (i = 0; i < IEEE80211_TID_SIZE; i++)
1224                         wk->wk_keyrsc[i] = ik.ik_keyrsc;
1225                 wk->wk_keytsc = 0;                      /* new key, reset */
1226                 memset(wk->wk_key, 0, sizeof(wk->wk_key));
1227                 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen);
1228                 IEEE80211_ADDR_COPY(wk->wk_macaddr,
1229                     ni != NULL ?  ni->ni_macaddr : ik.ik_macaddr);
1230                 if (!ieee80211_crypto_setkey(vap, wk))
1231                         error = EIO;
1232                 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT))
1233                         /*
1234                          * Inform the driver that this is the default
1235                          * transmit key.  Now, ideally we'd just set
1236                          * a flag in the key update that would
1237                          * say "yes, we're the default key", but
1238                          * that currently isn't the way the ioctl ->
1239                          * key interface works.
1240                          */
1241                         ieee80211_crypto_set_deftxkey(vap, kid);
1242         } else
1243                 error = ENXIO;
1244         ieee80211_key_update_end(vap);
1245         if (ni != NULL)
1246                 ieee80211_free_node(ni);
1247         return error;
1248 }
1249
1250 static int
1251 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1252 {
1253         struct ieee80211req_del_key dk;
1254         int kid, error;
1255
1256         if (ireq->i_len != sizeof(dk))
1257                 return EINVAL;
1258         error = copyin(ireq->i_data, &dk, sizeof(dk));
1259         if (error)
1260                 return error;
1261         kid = dk.idk_keyix;
1262         /* XXX uint8_t -> uint16_t */
1263         if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) {
1264                 struct ieee80211_node *ni;
1265
1266                 if (vap->iv_opmode == IEEE80211_M_STA) {
1267                         ni = ieee80211_ref_node(vap->iv_bss);
1268                         if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) {
1269                                 ieee80211_free_node(ni);
1270                                 return EADDRNOTAVAIL;
1271                         }
1272                 } else {
1273                         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1274                                 dk.idk_macaddr);
1275                         if (ni == NULL)
1276                                 return ENOENT;
1277                 }
1278                 /* XXX error return */
1279                 ieee80211_node_delucastkey(ni);
1280                 ieee80211_free_node(ni);
1281         } else {
1282                 if (kid >= IEEE80211_WEP_NKID)
1283                         return EINVAL;
1284                 /* XXX error return */
1285                 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]);
1286         }
1287         return 0;
1288 }
1289
1290 struct mlmeop {
1291         struct ieee80211vap *vap;
1292         int     op;
1293         int     reason;
1294 };
1295
1296 static void
1297 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1298         int op, int reason)
1299 {
1300 #ifdef IEEE80211_DEBUG
1301         static const struct {
1302                 int mask;
1303                 const char *opstr;
1304         } ops[] = {
1305                 { 0, "op#0" },
1306                 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1307                   IEEE80211_MSG_ASSOC, "assoc" },
1308                 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1309                   IEEE80211_MSG_ASSOC, "disassoc" },
1310                 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1311                   IEEE80211_MSG_AUTH, "deauth" },
1312                 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1313                   IEEE80211_MSG_AUTH, "authorize" },
1314                 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1315                   IEEE80211_MSG_AUTH, "unauthorize" },
1316         };
1317
1318         if (op == IEEE80211_MLME_AUTH) {
1319                 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL |
1320                     IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac,
1321                     "station authenticate %s via MLME (reason: %d (%s))",
1322                     reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT",
1323                     reason, ieee80211_reason_to_string(reason));
1324         } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) {
1325                 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac,
1326                     "unknown MLME request %d (reason: %d (%s))", op, reason,
1327                     ieee80211_reason_to_string(reason));
1328         } else if (reason == IEEE80211_STATUS_SUCCESS) {
1329                 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1330                     "station %s via MLME", ops[op].opstr);
1331         } else {
1332                 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1333                     "station %s via MLME (reason: %d (%s))", ops[op].opstr,
1334                     reason, ieee80211_reason_to_string(reason));
1335         }
1336 #endif /* IEEE80211_DEBUG */
1337 }
1338
1339 static void
1340 domlme(void *arg, struct ieee80211_node *ni)
1341 {
1342         struct mlmeop *mop = arg;
1343         struct ieee80211vap *vap = ni->ni_vap;
1344
1345         if (vap != mop->vap)
1346                 return;
1347         /*
1348          * NB: if ni_associd is zero then the node is already cleaned
1349          * up and we don't need to do this (we're safely holding a
1350          * reference but should otherwise not modify it's state).
1351          */
1352         if (ni->ni_associd == 0)
1353                 return;
1354         mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason);
1355         if (mop->op == IEEE80211_MLME_DEAUTH) {
1356                 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
1357                     mop->reason);
1358         } else {
1359                 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC,
1360                     mop->reason);
1361         }
1362         ieee80211_node_leave(ni);
1363 }
1364
1365 static int
1366 setmlme_dropsta(struct ieee80211vap *vap,
1367         const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop)
1368 {
1369         struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta;
1370         struct ieee80211_node *ni;
1371         int error = 0;
1372
1373         /* NB: the broadcast address means do 'em all */
1374         if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) {
1375                 IEEE80211_NODE_LOCK(nt);
1376                 ni = ieee80211_find_node_locked(nt, mac);
1377                 IEEE80211_NODE_UNLOCK(nt);
1378                 /*
1379                  * Don't do the node update inside the node
1380                  * table lock.  This unfortunately causes LORs
1381                  * with drivers and their TX paths.
1382                  */
1383                 if (ni != NULL) {
1384                         domlme(mlmeop, ni);
1385                         ieee80211_free_node(ni);
1386                 } else
1387                         error = ENOENT;
1388         } else {
1389                 ieee80211_iterate_nodes(nt, domlme, mlmeop);
1390         }
1391         return error;
1392 }
1393
1394 static int
1395 setmlme_common(struct ieee80211vap *vap, int op,
1396         const uint8_t mac[IEEE80211_ADDR_LEN], int reason)
1397 {
1398         struct ieee80211com *ic = vap->iv_ic;
1399         struct ieee80211_node_table *nt = &ic->ic_sta;
1400         struct ieee80211_node *ni;
1401         struct mlmeop mlmeop;
1402         int error;
1403
1404         error = 0;
1405         switch (op) {
1406         case IEEE80211_MLME_DISASSOC:
1407         case IEEE80211_MLME_DEAUTH:
1408                 switch (vap->iv_opmode) {
1409                 case IEEE80211_M_STA:
1410                         mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1411                         /* XXX not quite right */
1412                         ieee80211_new_state(vap, IEEE80211_S_INIT, reason);
1413                         break;
1414                 case IEEE80211_M_HOSTAP:
1415                         mlmeop.vap = vap;
1416                         mlmeop.op = op;
1417                         mlmeop.reason = reason;
1418                         error = setmlme_dropsta(vap, mac, &mlmeop);
1419                         break;
1420                 case IEEE80211_M_WDS:
1421                         /* XXX user app should send raw frame? */
1422                         if (op != IEEE80211_MLME_DEAUTH) {
1423                                 error = EINVAL;
1424                                 break;
1425                         }
1426 #if 0
1427                         /* XXX accept any address, simplifies user code */
1428                         if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) {
1429                                 error = EINVAL;
1430                                 break;
1431                         }
1432 #endif
1433                         mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1434                         ni = ieee80211_ref_node(vap->iv_bss);
1435                         IEEE80211_SEND_MGMT(ni,
1436                             IEEE80211_FC0_SUBTYPE_DEAUTH, reason);
1437                         ieee80211_free_node(ni);
1438                         break;
1439                 case IEEE80211_M_MBSS:
1440                         IEEE80211_NODE_LOCK(nt);
1441                         ni = ieee80211_find_node_locked(nt, mac);
1442                         /*
1443                          * Don't do the node update inside the node
1444                          * table lock.  This unfortunately causes LORs
1445                          * with drivers and their TX paths.
1446                          */
1447                         IEEE80211_NODE_UNLOCK(nt);
1448                         if (ni != NULL) {
1449                                 ieee80211_node_leave(ni);
1450                                 ieee80211_free_node(ni);
1451                         } else {
1452                                 error = ENOENT;
1453                         }
1454                         break;
1455                 default:
1456                         error = EINVAL;
1457                         break;
1458                 }
1459                 break;
1460         case IEEE80211_MLME_AUTHORIZE:
1461         case IEEE80211_MLME_UNAUTHORIZE:
1462                 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
1463                     vap->iv_opmode != IEEE80211_M_WDS) {
1464                         error = EINVAL;
1465                         break;
1466                 }
1467                 IEEE80211_NODE_LOCK(nt);
1468                 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1469                 /*
1470                  * Don't do the node update inside the node
1471                  * table lock.  This unfortunately causes LORs
1472                  * with drivers and their TX paths.
1473                  */
1474                 IEEE80211_NODE_UNLOCK(nt);
1475                 if (ni != NULL) {
1476                         mlmedebug(vap, mac, op, reason);
1477                         if (op == IEEE80211_MLME_AUTHORIZE)
1478                                 ieee80211_node_authorize(ni);
1479                         else
1480                                 ieee80211_node_unauthorize(ni);
1481                         ieee80211_free_node(ni);
1482                 } else
1483                         error = ENOENT;
1484                 break;
1485         case IEEE80211_MLME_AUTH:
1486                 if (vap->iv_opmode != IEEE80211_M_HOSTAP) {
1487                         error = EINVAL;
1488                         break;
1489                 }
1490                 IEEE80211_NODE_LOCK(nt);
1491                 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1492                 /*
1493                  * Don't do the node update inside the node
1494                  * table lock.  This unfortunately causes LORs
1495                  * with drivers and their TX paths.
1496                  */
1497                 IEEE80211_NODE_UNLOCK(nt);
1498                 if (ni != NULL) {
1499                         mlmedebug(vap, mac, op, reason);
1500                         if (reason == IEEE80211_STATUS_SUCCESS) {
1501                                 IEEE80211_SEND_MGMT(ni,
1502                                     IEEE80211_FC0_SUBTYPE_AUTH, 2);
1503                                 /*
1504                                  * For shared key auth, just continue the
1505                                  * exchange.  Otherwise when 802.1x is not in
1506                                  * use mark the port authorized at this point
1507                                  * so traffic can flow.
1508                                  */
1509                                 if (ni->ni_authmode != IEEE80211_AUTH_8021X &&
1510                                     ni->ni_challenge == NULL)
1511                                       ieee80211_node_authorize(ni);
1512                         } else {
1513                                 vap->iv_stats.is_rx_acl++;
1514                                 ieee80211_send_error(ni, ni->ni_macaddr,
1515                                     IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16));
1516                                 ieee80211_node_leave(ni);
1517                         }
1518                         ieee80211_free_node(ni);
1519                 } else
1520                         error = ENOENT;
1521                 break;
1522         default:
1523                 error = EINVAL;
1524                 break;
1525         }
1526         return error;
1527 }
1528
1529 struct scanlookup {
1530         const uint8_t *mac;
1531         int esslen;
1532         const uint8_t *essid;
1533         const struct ieee80211_scan_entry *se;
1534 };
1535
1536 /*
1537  * Match mac address and any ssid.
1538  */
1539 static void
1540 mlmelookup(void *arg, const struct ieee80211_scan_entry *se)
1541 {
1542         struct scanlookup *look = arg;
1543
1544         if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr))
1545                 return;
1546         if (look->esslen != 0) {
1547                 if (se->se_ssid[1] != look->esslen)
1548                         return;
1549                 if (memcmp(look->essid, se->se_ssid+2, look->esslen))
1550                         return;
1551         }
1552         look->se = se;
1553 }
1554
1555 static int
1556 setmlme_assoc_sta(struct ieee80211vap *vap,
1557         const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1558         const uint8_t ssid[IEEE80211_NWID_LEN])
1559 {
1560         struct scanlookup lookup;
1561
1562         KASSERT(vap->iv_opmode == IEEE80211_M_STA,
1563             ("expected opmode STA not %s",
1564             ieee80211_opmode_name[vap->iv_opmode]));
1565
1566         /* NB: this is racey if roaming is !manual */
1567         lookup.se = NULL;
1568         lookup.mac = mac;
1569         lookup.esslen = ssid_len;
1570         lookup.essid = ssid;
1571         ieee80211_scan_iterate(vap, mlmelookup, &lookup);
1572         if (lookup.se == NULL)
1573                 return ENOENT;
1574         mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0);
1575         if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se))
1576                 return EIO;             /* XXX unique but could be better */
1577         return 0;
1578 }
1579
1580 static int
1581 setmlme_assoc_adhoc(struct ieee80211vap *vap,
1582         const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1583         const uint8_t ssid[IEEE80211_NWID_LEN])
1584 {
1585         struct ieee80211_scan_req *sr;
1586         int error;
1587
1588         KASSERT(vap->iv_opmode == IEEE80211_M_IBSS ||
1589             vap->iv_opmode == IEEE80211_M_AHDEMO,
1590             ("expected opmode IBSS or AHDEMO not %s",
1591             ieee80211_opmode_name[vap->iv_opmode]));
1592
1593         if (ssid_len == 0 || ssid_len > IEEE80211_NWID_LEN)
1594                 return EINVAL;
1595
1596         sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP,
1597              IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
1598         if (sr == NULL)
1599                 return ENOMEM;
1600
1601         /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */
1602         memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
1603         vap->iv_des_ssid[0].len = ssid_len;
1604         memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len);
1605         vap->iv_des_nssid = 1;
1606
1607         sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE;
1608         sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER;
1609         memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len);
1610         sr->sr_ssid[0].len = ssid_len;
1611         sr->sr_nssid = 1;
1612
1613         error = ieee80211_scanreq(vap, sr);
1614
1615         IEEE80211_FREE(sr, M_TEMP);
1616         return error;
1617 }
1618
1619 static int
1620 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq)
1621 {
1622         struct ieee80211req_mlme mlme;
1623         int error;
1624
1625         if (ireq->i_len != sizeof(mlme))
1626                 return EINVAL;
1627         error = copyin(ireq->i_data, &mlme, sizeof(mlme));
1628         if (error)
1629                 return error;
1630         if  (vap->iv_opmode == IEEE80211_M_STA &&
1631             mlme.im_op == IEEE80211_MLME_ASSOC)
1632                 return setmlme_assoc_sta(vap, mlme.im_macaddr,
1633                     vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
1634         else if ((vap->iv_opmode == IEEE80211_M_IBSS ||
1635             vap->iv_opmode == IEEE80211_M_AHDEMO) &&
1636             mlme.im_op == IEEE80211_MLME_ASSOC)
1637                 return setmlme_assoc_adhoc(vap, mlme.im_macaddr,
1638                     mlme.im_ssid_len, mlme.im_ssid);
1639         else
1640                 return setmlme_common(vap, mlme.im_op,
1641                     mlme.im_macaddr, mlme.im_reason);
1642 }
1643
1644 static int
1645 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq)
1646 {
1647         uint8_t mac[IEEE80211_ADDR_LEN];
1648         const struct ieee80211_aclator *acl = vap->iv_acl;
1649         int error;
1650
1651         if (ireq->i_len != sizeof(mac))
1652                 return EINVAL;
1653         error = copyin(ireq->i_data, mac, ireq->i_len);
1654         if (error)
1655                 return error;
1656         if (acl == NULL) {
1657                 acl = ieee80211_aclator_get("mac");
1658                 if (acl == NULL || !acl->iac_attach(vap))
1659                         return EINVAL;
1660                 vap->iv_acl = acl;
1661         }
1662         if (ireq->i_type == IEEE80211_IOC_ADDMAC)
1663                 acl->iac_add(vap, mac);
1664         else
1665                 acl->iac_remove(vap, mac);
1666         return 0;
1667 }
1668
1669 static int
1670 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
1671 {
1672         const struct ieee80211_aclator *acl = vap->iv_acl;
1673
1674         switch (ireq->i_val) {
1675         case IEEE80211_MACCMD_POLICY_OPEN:
1676         case IEEE80211_MACCMD_POLICY_ALLOW:
1677         case IEEE80211_MACCMD_POLICY_DENY:
1678         case IEEE80211_MACCMD_POLICY_RADIUS:
1679                 if (acl == NULL) {
1680                         acl = ieee80211_aclator_get("mac");
1681                         if (acl == NULL || !acl->iac_attach(vap))
1682                                 return EINVAL;
1683                         vap->iv_acl = acl;
1684                 }
1685                 acl->iac_setpolicy(vap, ireq->i_val);
1686                 break;
1687         case IEEE80211_MACCMD_FLUSH:
1688                 if (acl != NULL)
1689                         acl->iac_flush(vap);
1690                 /* NB: silently ignore when not in use */
1691                 break;
1692         case IEEE80211_MACCMD_DETACH:
1693                 if (acl != NULL) {
1694                         vap->iv_acl = NULL;
1695                         acl->iac_detach(vap);
1696                 }
1697                 break;
1698         default:
1699                 if (acl == NULL)
1700                         return EINVAL;
1701                 else
1702                         return acl->iac_setioctl(vap, ireq);
1703         }
1704         return 0;
1705 }
1706
1707 static int
1708 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
1709 {
1710         struct ieee80211com *ic = vap->iv_ic;
1711         uint8_t *chanlist, *list;
1712         int i, nchan, maxchan, error;
1713
1714         if (ireq->i_len > sizeof(ic->ic_chan_active))
1715                 ireq->i_len = sizeof(ic->ic_chan_active);
1716         list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP,
1717             IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
1718         if (list == NULL)
1719                 return ENOMEM;
1720         error = copyin(ireq->i_data, list, ireq->i_len);
1721         if (error) {
1722                 IEEE80211_FREE(list, M_TEMP);
1723                 return error;
1724         }
1725         nchan = 0;
1726         chanlist = list + ireq->i_len;          /* NB: zero'd already */
1727         maxchan = ireq->i_len * NBBY;
1728         for (i = 0; i < ic->ic_nchans; i++) {
1729                 const struct ieee80211_channel *c = &ic->ic_channels[i];
1730                 /*
1731                  * Calculate the intersection of the user list and the
1732                  * available channels so users can do things like specify
1733                  * 1-255 to get all available channels.
1734                  */
1735                 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) {
1736                         setbit(chanlist, c->ic_ieee);
1737                         nchan++;
1738                 }
1739         }
1740         if (nchan == 0) {
1741                 IEEE80211_FREE(list, M_TEMP);
1742                 return EINVAL;
1743         }
1744         if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&    /* XXX */
1745             isclr(chanlist, ic->ic_bsschan->ic_ieee))
1746                 ic->ic_bsschan = IEEE80211_CHAN_ANYC;
1747         memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES);
1748         ieee80211_scan_flush(vap);
1749         IEEE80211_FREE(list, M_TEMP);
1750         return ENETRESET;
1751 }
1752
1753 static int
1754 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
1755 {
1756         struct ieee80211_node *ni;
1757         uint8_t macaddr[IEEE80211_ADDR_LEN];
1758         int error;
1759
1760         /*
1761          * NB: we could copyin ieee80211req_sta_stats so apps
1762          *     could make selective changes but that's overkill;
1763          *     just clear all stats for now.
1764          */
1765         if (ireq->i_len < IEEE80211_ADDR_LEN)
1766                 return EINVAL;
1767         error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
1768         if (error != 0)
1769                 return error;
1770         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
1771         if (ni == NULL)
1772                 return ENOENT;
1773         /* XXX require ni_vap == vap? */
1774         memset(&ni->ni_stats, 0, sizeof(ni->ni_stats));
1775         ieee80211_free_node(ni);
1776         return 0;
1777 }
1778
1779 static int
1780 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
1781 {
1782         struct ieee80211_node *ni;
1783         struct ieee80211req_sta_txpow txpow;
1784         int error;
1785
1786         if (ireq->i_len != sizeof(txpow))
1787                 return EINVAL;
1788         error = copyin(ireq->i_data, &txpow, sizeof(txpow));
1789         if (error != 0)
1790                 return error;
1791         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
1792         if (ni == NULL)
1793                 return ENOENT;
1794         ni->ni_txpower = txpow.it_txpow;
1795         ieee80211_free_node(ni);
1796         return error;
1797 }
1798
1799 static int
1800 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
1801 {
1802         struct ieee80211com *ic = vap->iv_ic;
1803         struct ieee80211_wme_state *wme = &ic->ic_wme;
1804         struct wmeParams *wmep, *chanp;
1805         int isbss, ac, aggrmode;
1806
1807         if ((ic->ic_caps & IEEE80211_C_WME) == 0)
1808                 return EOPNOTSUPP;
1809
1810         isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS);
1811         ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
1812         aggrmode = (wme->wme_flags & WME_F_AGGRMODE);
1813         if (ac >= WME_NUM_AC)
1814                 ac = WME_AC_BE;
1815         if (isbss) {
1816                 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac];
1817                 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1818         } else {
1819                 chanp = &wme->wme_chanParams.cap_wmeParams[ac];
1820                 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1821         }
1822         switch (ireq->i_type) {
1823         case IEEE80211_IOC_WME_CWMIN:           /* WME: CWmin */
1824                 wmep->wmep_logcwmin = ireq->i_val;
1825                 if (!isbss || !aggrmode)
1826                         chanp->wmep_logcwmin = ireq->i_val;
1827                 break;
1828         case IEEE80211_IOC_WME_CWMAX:           /* WME: CWmax */
1829                 wmep->wmep_logcwmax = ireq->i_val;
1830                 if (!isbss || !aggrmode)
1831                         chanp->wmep_logcwmax = ireq->i_val;
1832                 break;
1833         case IEEE80211_IOC_WME_AIFS:            /* WME: AIFS */
1834                 wmep->wmep_aifsn = ireq->i_val;
1835                 if (!isbss || !aggrmode)
1836                         chanp->wmep_aifsn = ireq->i_val;
1837                 break;
1838         case IEEE80211_IOC_WME_TXOPLIMIT:       /* WME: txops limit */
1839                 wmep->wmep_txopLimit = ireq->i_val;
1840                 if (!isbss || !aggrmode)
1841                         chanp->wmep_txopLimit = ireq->i_val;
1842                 break;
1843         case IEEE80211_IOC_WME_ACM:             /* WME: ACM (bss only) */
1844                 wmep->wmep_acm = ireq->i_val;
1845                 if (!aggrmode)
1846                         chanp->wmep_acm = ireq->i_val;
1847                 break;
1848         case IEEE80211_IOC_WME_ACKPOLICY:       /* WME: ACK policy (!bss only)*/
1849                 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy =
1850                         (ireq->i_val) == 0;
1851                 break;
1852         }
1853         ieee80211_wme_updateparams(vap);
1854         return 0;
1855 }
1856
1857 static int
1858 find11gchannel(struct ieee80211com *ic, int start, int freq)
1859 {
1860         const struct ieee80211_channel *c;
1861         int i;
1862
1863         for (i = start+1; i < ic->ic_nchans; i++) {
1864                 c = &ic->ic_channels[i];
1865                 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1866                         return 1;
1867         }
1868         /* NB: should not be needed but in case things are mis-sorted */
1869         for (i = 0; i < start; i++) {
1870                 c = &ic->ic_channels[i];
1871                 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1872                         return 1;
1873         }
1874         return 0;
1875 }
1876
1877 static struct ieee80211_channel *
1878 findchannel(struct ieee80211com *ic, int ieee, int mode)
1879 {
1880         static const u_int chanflags[IEEE80211_MODE_MAX] = {
1881             [IEEE80211_MODE_AUTO]       = 0,
1882             [IEEE80211_MODE_11A]        = IEEE80211_CHAN_A,
1883             [IEEE80211_MODE_11B]        = IEEE80211_CHAN_B,
1884             [IEEE80211_MODE_11G]        = IEEE80211_CHAN_G,
1885             [IEEE80211_MODE_FH]         = IEEE80211_CHAN_FHSS,
1886             [IEEE80211_MODE_TURBO_A]    = IEEE80211_CHAN_108A,
1887             [IEEE80211_MODE_TURBO_G]    = IEEE80211_CHAN_108G,
1888             [IEEE80211_MODE_STURBO_A]   = IEEE80211_CHAN_STURBO,
1889             [IEEE80211_MODE_HALF]       = IEEE80211_CHAN_HALF,
1890             [IEEE80211_MODE_QUARTER]    = IEEE80211_CHAN_QUARTER,
1891             /* NB: handled specially below */
1892             [IEEE80211_MODE_11NA]       = IEEE80211_CHAN_A,
1893             [IEEE80211_MODE_11NG]       = IEEE80211_CHAN_G,
1894             [IEEE80211_MODE_VHT_5GHZ]   = IEEE80211_CHAN_A,
1895             [IEEE80211_MODE_VHT_2GHZ]   = IEEE80211_CHAN_G,
1896         };
1897         u_int modeflags;
1898         int i;
1899
1900         modeflags = chanflags[mode];
1901         for (i = 0; i < ic->ic_nchans; i++) {
1902                 struct ieee80211_channel *c = &ic->ic_channels[i];
1903
1904                 if (c->ic_ieee != ieee)
1905                         continue;
1906                 if (mode == IEEE80211_MODE_AUTO) {
1907                         /* ignore turbo channels for autoselect */
1908                         if (IEEE80211_IS_CHAN_TURBO(c))
1909                                 continue;
1910                         /*
1911                          * XXX special-case 11b/g channels so we
1912                          *     always select the g channel if both
1913                          *     are present.
1914                          * XXX prefer HT to non-HT?
1915                          */
1916                         if (!IEEE80211_IS_CHAN_B(c) ||
1917                             !find11gchannel(ic, i, c->ic_freq))
1918                                 return c;
1919                 } else {
1920                         /* must check VHT specifically */
1921                         if ((mode == IEEE80211_MODE_VHT_5GHZ ||
1922                             mode == IEEE80211_MODE_VHT_2GHZ) &&
1923                             !IEEE80211_IS_CHAN_VHT(c))
1924                                 continue;
1925
1926                         /*
1927                          * Must check HT specially - only match on HT,
1928                          * not HT+VHT channels
1929                          */
1930                         if ((mode == IEEE80211_MODE_11NA ||
1931                             mode == IEEE80211_MODE_11NG) &&
1932                             !IEEE80211_IS_CHAN_HT(c))
1933                                 continue;
1934
1935                         if ((mode == IEEE80211_MODE_11NA ||
1936                             mode == IEEE80211_MODE_11NG) &&
1937                             IEEE80211_IS_CHAN_VHT(c))
1938                                 continue;
1939
1940                         /* Check that the modeflags above match */
1941                         if ((c->ic_flags & modeflags) == modeflags)
1942                                 return c;
1943                 }
1944         }
1945         return NULL;
1946 }
1947
1948 /*
1949  * Check the specified against any desired mode (aka netband).
1950  * This is only used (presently) when operating in hostap mode
1951  * to enforce consistency.
1952  */
1953 static int
1954 check_mode_consistency(const struct ieee80211_channel *c, int mode)
1955 {
1956         KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel"));
1957
1958         switch (mode) {
1959         case IEEE80211_MODE_11B:
1960                 return (IEEE80211_IS_CHAN_B(c));
1961         case IEEE80211_MODE_11G:
1962                 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c));
1963         case IEEE80211_MODE_11A:
1964                 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c));
1965         case IEEE80211_MODE_STURBO_A:
1966                 return (IEEE80211_IS_CHAN_STURBO(c));
1967         case IEEE80211_MODE_11NA:
1968                 return (IEEE80211_IS_CHAN_HTA(c));
1969         case IEEE80211_MODE_11NG:
1970                 return (IEEE80211_IS_CHAN_HTG(c));
1971         }
1972         return 1;
1973
1974 }
1975
1976 /*
1977  * Common code to set the current channel.  If the device
1978  * is up and running this may result in an immediate channel
1979  * change or a kick of the state machine.
1980  */
1981 static int
1982 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c)
1983 {
1984         struct ieee80211com *ic = vap->iv_ic;
1985         int error;
1986
1987         if (c != IEEE80211_CHAN_ANYC) {
1988                 if (IEEE80211_IS_CHAN_RADAR(c))
1989                         return EBUSY;   /* XXX better code? */
1990                 if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
1991                         if (IEEE80211_IS_CHAN_NOHOSTAP(c))
1992                                 return EINVAL;
1993                         if (!check_mode_consistency(c, vap->iv_des_mode))
1994                                 return EINVAL;
1995                 } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
1996                         if (IEEE80211_IS_CHAN_NOADHOC(c))
1997                                 return EINVAL;
1998                 }
1999                 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) &&
2000                     vap->iv_bss->ni_chan == c)
2001                         return 0;       /* NB: nothing to do */
2002         }
2003         vap->iv_des_chan = c;
2004
2005         error = 0;
2006         if (vap->iv_opmode == IEEE80211_M_MONITOR &&
2007             vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
2008                 /*
2009                  * Monitor mode can switch directly.
2010                  */
2011                 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) {
2012                         /* XXX need state machine for other vap's to follow */
2013                         ieee80211_setcurchan(ic, vap->iv_des_chan);
2014                         vap->iv_bss->ni_chan = ic->ic_curchan;
2015                 } else {
2016                         ic->ic_curchan = vap->iv_des_chan;
2017                         ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
2018                 }
2019         } else {
2020                 /*
2021                  * Need to go through the state machine in case we
2022                  * need to reassociate or the like.  The state machine
2023                  * will pickup the desired channel and avoid scanning.
2024                  */
2025                 if (IS_UP_AUTO(vap))
2026                         ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2027                 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
2028                         /*
2029                          * When not up+running and a real channel has
2030                          * been specified fix the current channel so
2031                          * there is immediate feedback; e.g. via ifconfig.
2032                          */
2033                         ic->ic_curchan = vap->iv_des_chan;
2034                         ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
2035                 }
2036         }
2037         return error;
2038 }
2039
2040 /*
2041  * Old api for setting the current channel; this is
2042  * deprecated because channel numbers are ambiguous.
2043  */
2044 static int
2045 ieee80211_ioctl_setchannel(struct ieee80211vap *vap,
2046         const struct ieee80211req *ireq)
2047 {
2048         struct ieee80211com *ic = vap->iv_ic;
2049         struct ieee80211_channel *c;
2050
2051         /* XXX 0xffff overflows 16-bit signed */
2052         if (ireq->i_val == 0 ||
2053             ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) {
2054                 c = IEEE80211_CHAN_ANYC;
2055         } else {
2056                 struct ieee80211_channel *c2;
2057
2058                 c = findchannel(ic, ireq->i_val, vap->iv_des_mode);
2059                 if (c == NULL) {
2060                         c = findchannel(ic, ireq->i_val,
2061                                 IEEE80211_MODE_AUTO);
2062                         if (c == NULL)
2063                                 return EINVAL;
2064                 }
2065
2066                 /*
2067                  * Fine tune channel selection based on desired mode:
2068                  *   if 11b is requested, find the 11b version of any
2069                  *      11g channel returned,
2070                  *   if static turbo, find the turbo version of any
2071                  *      11a channel return,
2072                  *   if 11na is requested, find the ht version of any
2073                  *      11a channel returned,
2074                  *   if 11ng is requested, find the ht version of any
2075                  *      11g channel returned,
2076                  *   if 11ac is requested, find the 11ac version
2077                  *      of any 11a/11na channel returned,
2078                  *   (TBD) 11acg (2GHz VHT)
2079                  *   otherwise we should be ok with what we've got.
2080                  */
2081                 switch (vap->iv_des_mode) {
2082                 case IEEE80211_MODE_11B:
2083                         if (IEEE80211_IS_CHAN_ANYG(c)) {
2084                                 c2 = findchannel(ic, ireq->i_val,
2085                                         IEEE80211_MODE_11B);
2086                                 /* NB: should not happen, =>'s 11g w/o 11b */
2087                                 if (c2 != NULL)
2088                                         c = c2;
2089                         }
2090                         break;
2091                 case IEEE80211_MODE_TURBO_A:
2092                         if (IEEE80211_IS_CHAN_A(c)) {
2093                                 c2 = findchannel(ic, ireq->i_val,
2094                                         IEEE80211_MODE_TURBO_A);
2095                                 if (c2 != NULL)
2096                                         c = c2;
2097                         }
2098                         break;
2099                 case IEEE80211_MODE_11NA:
2100                         if (IEEE80211_IS_CHAN_A(c)) {
2101                                 c2 = findchannel(ic, ireq->i_val,
2102                                         IEEE80211_MODE_11NA);
2103                                 if (c2 != NULL)
2104                                         c = c2;
2105                         }
2106                         break;
2107                 case IEEE80211_MODE_11NG:
2108                         if (IEEE80211_IS_CHAN_ANYG(c)) {
2109                                 c2 = findchannel(ic, ireq->i_val,
2110                                         IEEE80211_MODE_11NG);
2111                                 if (c2 != NULL)
2112                                         c = c2;
2113                         }
2114                         break;
2115                 case IEEE80211_MODE_VHT_2GHZ:
2116                         printf("%s: TBD\n", __func__);
2117                         break;
2118                 case IEEE80211_MODE_VHT_5GHZ:
2119                         if (IEEE80211_IS_CHAN_A(c)) {
2120                                 c2 = findchannel(ic, ireq->i_val,
2121                                         IEEE80211_MODE_VHT_5GHZ);
2122                                 if (c2 != NULL)
2123                                         c = c2;
2124                         }
2125                         break;
2126                 default:                /* NB: no static turboG */
2127                         break;
2128                 }
2129         }
2130         return setcurchan(vap, c);
2131 }
2132
2133 /*
2134  * New/current api for setting the current channel; a complete
2135  * channel description is provide so there is no ambiguity in
2136  * identifying the channel.
2137  */
2138 static int
2139 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap,
2140         const struct ieee80211req *ireq)
2141 {
2142         struct ieee80211com *ic = vap->iv_ic;
2143         struct ieee80211_channel chan, *c;
2144         int error;
2145
2146         if (ireq->i_len != sizeof(chan))
2147                 return EINVAL;
2148         error = copyin(ireq->i_data, &chan, sizeof(chan));
2149         if (error != 0)
2150                 return error;
2151
2152         /* XXX 0xffff overflows 16-bit signed */
2153         if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) {
2154                 c = IEEE80211_CHAN_ANYC;
2155         } else {
2156                 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags);
2157                 if (c == NULL)
2158                         return EINVAL;
2159         }
2160         return setcurchan(vap, c);
2161 }
2162
2163 static int
2164 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap,
2165         const struct ieee80211req *ireq)
2166 {
2167         struct ieee80211_regdomain_req *reg;
2168         int nchans, error;
2169
2170         nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) /
2171             sizeof(struct ieee80211_channel));
2172         if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) {
2173                 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2174                     "%s: bad # chans, i_len %d nchans %d\n", __func__,
2175                     ireq->i_len, nchans);
2176                 return EINVAL;
2177         }
2178         reg = (struct ieee80211_regdomain_req *)
2179             IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP,
2180               IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2181         if (reg == NULL) {
2182                 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2183                     "%s: no memory, nchans %d\n", __func__, nchans);
2184                 return ENOMEM;
2185         }
2186         error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans));
2187         if (error == 0) {
2188                 /* NB: validate inline channel count against storage size */
2189                 if (reg->chaninfo.ic_nchans != nchans) {
2190                         IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2191                             "%s: chan cnt mismatch, %d != %d\n", __func__,
2192                                 reg->chaninfo.ic_nchans, nchans);
2193                         error = EINVAL;
2194                 } else
2195                         error = ieee80211_setregdomain(vap, reg);
2196         }
2197         IEEE80211_FREE(reg, M_TEMP);
2198
2199         return (error == 0 ? ENETRESET : error);
2200 }
2201
2202 static int
2203 checkrate(const struct ieee80211_rateset *rs, int rate)
2204 {
2205         int i;
2206
2207         if (rate == IEEE80211_FIXED_RATE_NONE)
2208                 return 1;
2209         for (i = 0; i < rs->rs_nrates; i++)
2210                 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate)
2211                         return 1;
2212         return 0;
2213 }
2214
2215 static int
2216 checkmcs(const struct ieee80211_htrateset *rs, int mcs)
2217 {
2218         int rate_val = IEEE80211_RV(mcs);
2219         int i;
2220
2221         if (mcs == IEEE80211_FIXED_RATE_NONE)
2222                 return 1;
2223         if ((mcs & IEEE80211_RATE_MCS) == 0)    /* MCS always have 0x80 set */
2224                 return 0;
2225         for (i = 0; i < rs->rs_nrates; i++)
2226                 if (IEEE80211_RV(rs->rs_rates[i]) == rate_val)
2227                         return 1;
2228         return 0;
2229 }
2230
2231 static int
2232 ieee80211_ioctl_setroam(struct ieee80211vap *vap,
2233         const struct ieee80211req *ireq)
2234 {
2235         struct ieee80211com *ic = vap->iv_ic;
2236         struct ieee80211_roamparams_req *parms;
2237         struct ieee80211_roamparam *src, *dst;
2238         const struct ieee80211_htrateset *rs_ht;
2239         const struct ieee80211_rateset *rs;
2240         int changed, error, mode, is11n, nmodes;
2241
2242         if (ireq->i_len != sizeof(vap->iv_roamparms))
2243                 return EINVAL;
2244
2245         parms = IEEE80211_MALLOC(sizeof(*parms), M_TEMP,
2246             IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2247         if (parms == NULL)
2248                 return ENOMEM;
2249
2250         error = copyin(ireq->i_data, parms, ireq->i_len);
2251         if (error != 0)
2252                 goto fail;
2253
2254         changed = 0;
2255         nmodes = IEEE80211_MODE_MAX;
2256
2257         /* validate parameters and check if anything changed */
2258         for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2259                 if (isclr(ic->ic_modecaps, mode))
2260                         continue;
2261                 src = &parms->params[mode];
2262                 dst = &vap->iv_roamparms[mode];
2263                 rs = &ic->ic_sup_rates[mode];   /* NB: 11n maps to legacy */
2264                 rs_ht = &ic->ic_sup_htrates;
2265                 is11n = (mode == IEEE80211_MODE_11NA ||
2266                          mode == IEEE80211_MODE_11NG);
2267                 /* XXX TODO: 11ac */
2268                 if (src->rate != dst->rate) {
2269                         if (!checkrate(rs, src->rate) &&
2270                             (!is11n || !checkmcs(rs_ht, src->rate))) {
2271                                 error = EINVAL;
2272                                 goto fail;
2273                         }
2274                         changed++;
2275                 }
2276                 if (src->rssi != dst->rssi)
2277                         changed++;
2278         }
2279         if (changed) {
2280                 /*
2281                  * Copy new parameters in place and notify the
2282                  * driver so it can push state to the device.
2283                  */
2284                 /* XXX locking? */
2285                 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2286                         if (isset(ic->ic_modecaps, mode))
2287                                 vap->iv_roamparms[mode] = parms->params[mode];
2288                 }
2289
2290                 if (vap->iv_roaming == IEEE80211_ROAMING_DEVICE)
2291                         error = ERESTART;
2292         }
2293
2294 fail:   IEEE80211_FREE(parms, M_TEMP);
2295         return error;
2296 }
2297
2298 static int
2299 ieee80211_ioctl_settxparams(struct ieee80211vap *vap,
2300         const struct ieee80211req *ireq)
2301 {
2302         struct ieee80211com *ic = vap->iv_ic;
2303         struct ieee80211_txparams_req parms;    /* XXX stack use? */
2304         struct ieee80211_txparam *src, *dst;
2305         const struct ieee80211_htrateset *rs_ht;
2306         const struct ieee80211_rateset *rs;
2307         int error, mode, changed, is11n, nmodes;
2308
2309         /* NB: accept short requests for backwards compat */
2310         if (ireq->i_len > sizeof(parms))
2311                 return EINVAL;
2312         error = copyin(ireq->i_data, &parms, ireq->i_len);
2313         if (error != 0)
2314                 return error;
2315         nmodes = ireq->i_len / sizeof(struct ieee80211_txparam);
2316         changed = 0;
2317         /* validate parameters and check if anything changed */
2318         for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2319                 if (isclr(ic->ic_modecaps, mode))
2320                         continue;
2321                 src = &parms.params[mode];
2322                 dst = &vap->iv_txparms[mode];
2323                 rs = &ic->ic_sup_rates[mode];   /* NB: 11n maps to legacy */
2324                 rs_ht = &ic->ic_sup_htrates;
2325                 is11n = (mode == IEEE80211_MODE_11NA ||
2326                          mode == IEEE80211_MODE_11NG);
2327                 if (src->ucastrate != dst->ucastrate) {
2328                         if (!checkrate(rs, src->ucastrate) &&
2329                             (!is11n || !checkmcs(rs_ht, src->ucastrate)))
2330                                 return EINVAL;
2331                         changed++;
2332                 }
2333                 if (src->mcastrate != dst->mcastrate) {
2334                         if (!checkrate(rs, src->mcastrate) &&
2335                             (!is11n || !checkmcs(rs_ht, src->mcastrate)))
2336                                 return EINVAL;
2337                         changed++;
2338                 }
2339                 if (src->mgmtrate != dst->mgmtrate) {
2340                         if (!checkrate(rs, src->mgmtrate) &&
2341                             (!is11n || !checkmcs(rs_ht, src->mgmtrate)))
2342                                 return EINVAL;
2343                         changed++;
2344                 }
2345                 if (src->maxretry != dst->maxretry)     /* NB: no bounds */
2346                         changed++;
2347         }
2348         if (changed) {
2349                 /*
2350                  * Copy new parameters in place and notify the
2351                  * driver so it can push state to the device.
2352                  */
2353                 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2354                         if (isset(ic->ic_modecaps, mode))
2355                                 vap->iv_txparms[mode] = parms.params[mode];
2356                 }
2357                 /* XXX could be more intelligent,
2358                    e.g. don't reset if setting not being used */
2359                 return ENETRESET;
2360         }
2361         return 0;
2362 }
2363
2364 /*
2365  * Application Information Element support.
2366  */
2367 static int
2368 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq)
2369 {
2370         struct ieee80211_appie *app = *aie;
2371         struct ieee80211_appie *napp;
2372         int error;
2373
2374         if (ireq->i_len == 0) {         /* delete any existing ie */
2375                 if (app != NULL) {
2376                         *aie = NULL;    /* XXX racey */
2377                         IEEE80211_FREE(app, M_80211_NODE_IE);
2378                 }
2379                 return 0;
2380         }
2381         if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE))
2382                 return EINVAL;
2383         /*
2384          * Allocate a new appie structure and copy in the user data.
2385          * When done swap in the new structure.  Note that we do not
2386          * guard against users holding a ref to the old structure;
2387          * this must be handled outside this code.
2388          *
2389          * XXX bad bad bad
2390          */
2391         napp = (struct ieee80211_appie *) IEEE80211_MALLOC(
2392             sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE,
2393             IEEE80211_M_NOWAIT);
2394         if (napp == NULL)
2395                 return ENOMEM;
2396         /* XXX holding ic lock */
2397         error = copyin(ireq->i_data, napp->ie_data, ireq->i_len);
2398         if (error) {
2399                 IEEE80211_FREE(napp, M_80211_NODE_IE);
2400                 return error;
2401         }
2402         napp->ie_len = ireq->i_len;
2403         *aie = napp;
2404         if (app != NULL)
2405                 IEEE80211_FREE(app, M_80211_NODE_IE);
2406         return 0;
2407 }
2408
2409 static void
2410 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space)
2411 {
2412         /* validate data is present as best we can */
2413         if (space == 0 || 2+ie[1] > space)
2414                 return;
2415         if (ie[0] == IEEE80211_ELEMID_VENDOR)
2416                 vap->iv_wpa_ie = ie;
2417         else if (ie[0] == IEEE80211_ELEMID_RSN)
2418                 vap->iv_rsn_ie = ie;
2419 }
2420
2421 static int
2422 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap,
2423         const struct ieee80211req *ireq, int fc0)
2424 {
2425         int error;
2426
2427         IEEE80211_LOCK_ASSERT(vap->iv_ic);
2428
2429         switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
2430         case IEEE80211_FC0_SUBTYPE_BEACON:
2431                 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2432                     vap->iv_opmode != IEEE80211_M_IBSS) {
2433                         error = EINVAL;
2434                         break;
2435                 }
2436                 error = setappie(&vap->iv_appie_beacon, ireq);
2437                 if (error == 0)
2438                         ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE);
2439                 break;
2440         case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
2441                 error = setappie(&vap->iv_appie_proberesp, ireq);
2442                 break;
2443         case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
2444                 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2445                         error = setappie(&vap->iv_appie_assocresp, ireq);
2446                 else
2447                         error = EINVAL;
2448                 break;
2449         case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
2450                 error = setappie(&vap->iv_appie_probereq, ireq);
2451                 break;
2452         case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
2453                 if (vap->iv_opmode == IEEE80211_M_STA)
2454                         error = setappie(&vap->iv_appie_assocreq, ireq);
2455                 else
2456                         error = EINVAL;
2457                 break;
2458         case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK):
2459                 error = setappie(&vap->iv_appie_wpa, ireq);
2460                 if (error == 0) {
2461                         /*
2462                          * Must split single blob of data into separate
2463                          * WPA and RSN ie's because they go in different
2464                          * locations in the mgt frames.
2465                          * XXX use IEEE80211_IOC_WPA2 so user code does split
2466                          */
2467                         vap->iv_wpa_ie = NULL;
2468                         vap->iv_rsn_ie = NULL;
2469                         if (vap->iv_appie_wpa != NULL) {
2470                                 struct ieee80211_appie *appie =
2471                                     vap->iv_appie_wpa;
2472                                 uint8_t *data = appie->ie_data;
2473
2474                                 /* XXX ie length validate is painful, cheat */
2475                                 setwparsnie(vap, data, appie->ie_len);
2476                                 setwparsnie(vap, data + 2 + data[1],
2477                                     appie->ie_len - (2 + data[1]));
2478                         }
2479                         if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2480                             vap->iv_opmode == IEEE80211_M_IBSS) {
2481                                 /*
2482                                  * Must rebuild beacon frame as the update
2483                                  * mechanism doesn't handle WPA/RSN ie's.
2484                                  * Could extend it but it doesn't normally
2485                                  * change; this is just to deal with hostapd
2486                                  * plumbing the ie after the interface is up.
2487                                  */
2488                                 error = ENETRESET;
2489                         }
2490                 }
2491                 break;
2492         default:
2493                 error = EINVAL;
2494                 break;
2495         }
2496         return error;
2497 }
2498
2499 static int
2500 ieee80211_ioctl_setappie(struct ieee80211vap *vap,
2501         const struct ieee80211req *ireq)
2502 {
2503         struct ieee80211com *ic = vap->iv_ic;
2504         int error;
2505         uint8_t fc0;
2506
2507         fc0 = ireq->i_val & 0xff;
2508         if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
2509                 return EINVAL;
2510         /* NB: could check iv_opmode and reject but hardly worth the effort */
2511         IEEE80211_LOCK(ic);
2512         error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0);
2513         IEEE80211_UNLOCK(ic);
2514         return error;
2515 }
2516
2517 static int
2518 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq)
2519 {
2520         struct ieee80211com *ic = vap->iv_ic;
2521         struct ieee80211_chanswitch_req csr;
2522         struct ieee80211_channel *c;
2523         int error;
2524
2525         if (ireq->i_len != sizeof(csr))
2526                 return EINVAL;
2527         error = copyin(ireq->i_data, &csr, sizeof(csr));
2528         if (error != 0)
2529                 return error;
2530         /* XXX adhoc mode not supported */
2531         if (vap->iv_opmode != IEEE80211_M_HOSTAP ||
2532             (vap->iv_flags & IEEE80211_F_DOTH) == 0)
2533                 return EOPNOTSUPP;
2534         c = ieee80211_find_channel(ic,
2535             csr.csa_chan.ic_freq, csr.csa_chan.ic_flags);
2536         if (c == NULL)
2537                 return ENOENT;
2538         IEEE80211_LOCK(ic);
2539         if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0)
2540                 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count);
2541         else if (csr.csa_count == 0)
2542                 ieee80211_csa_cancelswitch(ic);
2543         else
2544                 error = EBUSY;
2545         IEEE80211_UNLOCK(ic);
2546         return error;
2547 }
2548
2549 static int
2550 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr)
2551 {
2552 #define IEEE80211_IOC_SCAN_FLAGS \
2553         (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \
2554          IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \
2555          IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \
2556          IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \
2557          IEEE80211_IOC_SCAN_CHECK)
2558         struct ieee80211com *ic = vap->iv_ic;
2559         int error, i;
2560
2561         /* convert duration */
2562         if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER)
2563                 sr->sr_duration = IEEE80211_SCAN_FOREVER;
2564         else {
2565                 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN ||
2566                     sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX)
2567                         return EINVAL;
2568                 sr->sr_duration = msecs_to_ticks(sr->sr_duration);
2569         }
2570         /* convert min/max channel dwell */
2571         if (sr->sr_mindwell != 0)
2572                 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell);
2573         if (sr->sr_maxdwell != 0)
2574                 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell);
2575         /* NB: silently reduce ssid count to what is supported */
2576         if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID)
2577                 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID;
2578         for (i = 0; i < sr->sr_nssid; i++)
2579                 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN)
2580                         return EINVAL;
2581         /* cleanse flags just in case, could reject if invalid flags */
2582         sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS;
2583         /*
2584          * Add an implicit NOPICK if the vap is not marked UP.  This
2585          * allows applications to scan without joining a bss (or picking
2586          * a channel and setting up a bss) and without forcing manual
2587          * roaming mode--you just need to mark the parent device UP.
2588          */
2589         if ((vap->iv_ifp->if_flags & IFF_UP) == 0)
2590                 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK;
2591
2592         IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2593             "%s: vap %p iv_state %#x (%s) flags 0x%x%s "
2594             "duration 0x%x mindwell %u maxdwell %u nssid %d\n",
2595             __func__, vap, vap->iv_state, ieee80211_state_name[vap->iv_state],
2596             sr->sr_flags,
2597             (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "",
2598             sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid);
2599         /*
2600          * If we are in INIT state then the driver has never had a chance
2601          * to setup hardware state to do a scan; we must use the state
2602          * machine to get us up to the SCAN state but once we reach SCAN
2603          * state we then want to use the supplied params.  Stash the
2604          * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the
2605          * state machines will recognize this and use the stashed params
2606          * to issue the scan request.
2607          *
2608          * Otherwise just invoke the scan machinery directly.
2609          */
2610         IEEE80211_LOCK(ic);
2611         if (ic->ic_nrunning == 0) {
2612                 IEEE80211_UNLOCK(ic);
2613                 return ENXIO;
2614         }
2615
2616         if (vap->iv_state == IEEE80211_S_INIT) {
2617                 /* NB: clobbers previous settings */
2618                 vap->iv_scanreq_flags = sr->sr_flags;
2619                 vap->iv_scanreq_duration = sr->sr_duration;
2620                 vap->iv_scanreq_nssid = sr->sr_nssid;
2621                 for (i = 0; i < sr->sr_nssid; i++) {
2622                         vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len;
2623                         memcpy(vap->iv_scanreq_ssid[i].ssid,
2624                             sr->sr_ssid[i].ssid, sr->sr_ssid[i].len);
2625                 }
2626                 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ;
2627                 IEEE80211_UNLOCK(ic);
2628                 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2629         } else {
2630                 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ;
2631                 IEEE80211_UNLOCK(ic);
2632                 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) {
2633                         error = ieee80211_check_scan(vap, sr->sr_flags,
2634                             sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell,
2635                             sr->sr_nssid,
2636                             /* NB: cheat, we assume structures are compatible */
2637                             (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]);
2638                 } else {
2639                         error = ieee80211_start_scan(vap, sr->sr_flags,
2640                             sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell,
2641                             sr->sr_nssid,
2642                             /* NB: cheat, we assume structures are compatible */
2643                             (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]);
2644                 }
2645                 if (error == 0)
2646                         return EINPROGRESS;
2647         }
2648         return 0;
2649 #undef IEEE80211_IOC_SCAN_FLAGS
2650 }
2651
2652 static int
2653 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq)
2654 {
2655         struct ieee80211_scan_req *sr;
2656         int error;
2657
2658         if (ireq->i_len != sizeof(*sr))
2659                 return EINVAL;
2660         sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP,
2661              IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2662         if (sr == NULL)
2663                 return ENOMEM;
2664         error = copyin(ireq->i_data, sr, sizeof(*sr));
2665         if (error != 0)
2666                 goto bad;
2667         error = ieee80211_scanreq(vap, sr);
2668 bad:
2669         IEEE80211_FREE(sr, M_TEMP);
2670         return error;
2671 }
2672
2673 static int
2674 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
2675 {
2676         struct ieee80211_node *ni;
2677         struct ieee80211req_sta_vlan vlan;
2678         int error;
2679
2680         if (ireq->i_len != sizeof(vlan))
2681                 return EINVAL;
2682         error = copyin(ireq->i_data, &vlan, sizeof(vlan));
2683         if (error != 0)
2684                 return error;
2685         if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
2686                 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
2687                     vlan.sv_macaddr);
2688                 if (ni == NULL)
2689                         return ENOENT;
2690         } else
2691                 ni = ieee80211_ref_node(vap->iv_bss);
2692         ni->ni_vlan = vlan.sv_vlan;
2693         ieee80211_free_node(ni);
2694         return error;
2695 }
2696
2697 static int
2698 isvap11g(const struct ieee80211vap *vap)
2699 {
2700         const struct ieee80211_node *bss = vap->iv_bss;
2701         return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2702             IEEE80211_IS_CHAN_ANYG(bss->ni_chan);
2703 }
2704
2705 static int
2706 isvapht(const struct ieee80211vap *vap)
2707 {
2708         const struct ieee80211_node *bss = vap->iv_bss;
2709         return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2710             IEEE80211_IS_CHAN_HT(bss->ni_chan);
2711 }
2712
2713 /*
2714  * Dummy ioctl set handler so the linker set is defined.
2715  */
2716 static int
2717 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq)
2718 {
2719         return ENOSYS;
2720 }
2721 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set);
2722
2723 static int
2724 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
2725 {
2726         ieee80211_ioctl_setfunc * const *set;
2727         int error;
2728
2729         SET_FOREACH(set, ieee80211_ioctl_setset) {
2730                 error = (*set)(vap, ireq);
2731                 if (error != ENOSYS)
2732                         return error;
2733         }
2734         return EINVAL;
2735 }
2736
2737 static int
2738 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq)
2739 {
2740         struct ieee80211com *ic = vap->iv_ic;
2741         int error;
2742         const struct ieee80211_authenticator *auth;
2743         uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
2744         char tmpssid[IEEE80211_NWID_LEN];
2745         uint8_t tmpbssid[IEEE80211_ADDR_LEN];
2746         struct ieee80211_key *k;
2747         u_int kid;
2748         uint32_t flags;
2749
2750         error = 0;
2751         switch (ireq->i_type) {
2752         case IEEE80211_IOC_SSID:
2753                 if (ireq->i_val != 0 ||
2754                     ireq->i_len > IEEE80211_NWID_LEN)
2755                         return EINVAL;
2756                 error = copyin(ireq->i_data, tmpssid, ireq->i_len);
2757                 if (error)
2758                         break;
2759                 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
2760                 vap->iv_des_ssid[0].len = ireq->i_len;
2761                 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len);
2762                 vap->iv_des_nssid = (ireq->i_len > 0);
2763                 error = ENETRESET;
2764                 break;
2765         case IEEE80211_IOC_WEP:
2766                 switch (ireq->i_val) {
2767                 case IEEE80211_WEP_OFF:
2768                         vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2769                         vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2770                         break;
2771                 case IEEE80211_WEP_ON:
2772                         vap->iv_flags |= IEEE80211_F_PRIVACY;
2773                         vap->iv_flags |= IEEE80211_F_DROPUNENC;
2774                         break;
2775                 case IEEE80211_WEP_MIXED:
2776                         vap->iv_flags |= IEEE80211_F_PRIVACY;
2777                         vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2778                         break;
2779                 }
2780                 error = ENETRESET;
2781                 break;
2782         case IEEE80211_IOC_WEPKEY:
2783                 kid = (u_int) ireq->i_val;
2784                 if (kid >= IEEE80211_WEP_NKID)
2785                         return EINVAL;
2786                 k = &vap->iv_nw_keys[kid];
2787                 if (ireq->i_len == 0) {
2788                         /* zero-len =>'s delete any existing key */
2789                         (void) ieee80211_crypto_delkey(vap, k);
2790                         break;
2791                 }
2792                 if (ireq->i_len > sizeof(tmpkey))
2793                         return EINVAL;
2794                 memset(tmpkey, 0, sizeof(tmpkey));
2795                 error = copyin(ireq->i_data, tmpkey, ireq->i_len);
2796                 if (error)
2797                         break;
2798                 ieee80211_key_update_begin(vap);
2799                 k->wk_keyix = kid;      /* NB: force fixed key id */
2800                 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP,
2801                     IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) {
2802                         k->wk_keylen = ireq->i_len;
2803                         memcpy(k->wk_key, tmpkey, sizeof(tmpkey));
2804                         IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr);
2805                         if  (!ieee80211_crypto_setkey(vap, k))
2806                                 error = EINVAL;
2807                 } else
2808                         error = EINVAL;
2809                 ieee80211_key_update_end(vap);
2810                 break;
2811         case IEEE80211_IOC_WEPTXKEY:
2812                 kid = (u_int) ireq->i_val;
2813                 if (kid >= IEEE80211_WEP_NKID &&
2814                     (uint16_t) kid != IEEE80211_KEYIX_NONE)
2815                         return EINVAL;
2816                 /*
2817                  * Firmware devices may need to be told about an explicit
2818                  * key index here, versus just inferring it from the
2819                  * key set / change.  Since we may also need to pause
2820                  * things like transmit before the key is updated,
2821                  * give the driver a chance to flush things by tying
2822                  * into key update begin/end.
2823                  */
2824                 ieee80211_key_update_begin(vap);
2825                 ieee80211_crypto_set_deftxkey(vap, kid);
2826                 ieee80211_key_update_end(vap);
2827                 break;
2828         case IEEE80211_IOC_AUTHMODE:
2829                 switch (ireq->i_val) {
2830                 case IEEE80211_AUTH_WPA:
2831                 case IEEE80211_AUTH_8021X:      /* 802.1x */
2832                 case IEEE80211_AUTH_OPEN:       /* open */
2833                 case IEEE80211_AUTH_SHARED:     /* shared-key */
2834                 case IEEE80211_AUTH_AUTO:       /* auto */
2835                         auth = ieee80211_authenticator_get(ireq->i_val);
2836                         if (auth == NULL)
2837                                 return EINVAL;
2838                         break;
2839                 default:
2840                         return EINVAL;
2841                 }
2842                 switch (ireq->i_val) {
2843                 case IEEE80211_AUTH_WPA:        /* WPA w/ 802.1x */
2844                         vap->iv_flags |= IEEE80211_F_PRIVACY;
2845                         ireq->i_val = IEEE80211_AUTH_8021X;
2846                         break;
2847                 case IEEE80211_AUTH_OPEN:       /* open */
2848                         vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY);
2849                         break;
2850                 case IEEE80211_AUTH_SHARED:     /* shared-key */
2851                 case IEEE80211_AUTH_8021X:      /* 802.1x */
2852                         vap->iv_flags &= ~IEEE80211_F_WPA;
2853                         /* both require a key so mark the PRIVACY capability */
2854                         vap->iv_flags |= IEEE80211_F_PRIVACY;
2855                         break;
2856                 case IEEE80211_AUTH_AUTO:       /* auto */
2857                         vap->iv_flags &= ~IEEE80211_F_WPA;
2858                         /* XXX PRIVACY handling? */
2859                         /* XXX what's the right way to do this? */
2860                         break;
2861                 }
2862                 /* NB: authenticator attach/detach happens on state change */
2863                 vap->iv_bss->ni_authmode = ireq->i_val;
2864                 /* XXX mixed/mode/usage? */
2865                 vap->iv_auth = auth;
2866                 error = ENETRESET;
2867                 break;
2868         case IEEE80211_IOC_CHANNEL:
2869                 error = ieee80211_ioctl_setchannel(vap, ireq);
2870                 break;
2871         case IEEE80211_IOC_POWERSAVE:
2872                 switch (ireq->i_val) {
2873                 case IEEE80211_POWERSAVE_OFF:
2874                         if (vap->iv_flags & IEEE80211_F_PMGTON) {
2875                                 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON);
2876                                 error = ERESTART;
2877                         }
2878                         break;
2879                 case IEEE80211_POWERSAVE_ON:
2880                         if ((vap->iv_caps & IEEE80211_C_PMGT) == 0)
2881                                 error = EOPNOTSUPP;
2882                         else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) {
2883                                 ieee80211_syncflag(vap, IEEE80211_F_PMGTON);
2884                                 error = ERESTART;
2885                         }
2886                         break;
2887                 default:
2888                         error = EINVAL;
2889                         break;
2890                 }
2891                 break;
2892         case IEEE80211_IOC_POWERSAVESLEEP:
2893                 if (ireq->i_val < 0)
2894                         return EINVAL;
2895                 ic->ic_lintval = ireq->i_val;
2896                 error = ERESTART;
2897                 break;
2898         case IEEE80211_IOC_RTSTHRESHOLD:
2899                 if (!(IEEE80211_RTS_MIN <= ireq->i_val &&
2900                       ireq->i_val <= IEEE80211_RTS_MAX))
2901                         return EINVAL;
2902                 vap->iv_rtsthreshold = ireq->i_val;
2903                 error = ERESTART;
2904                 break;
2905         case IEEE80211_IOC_PROTMODE:
2906                 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
2907                         return EINVAL;
2908                 vap->iv_protmode = (enum ieee80211_protmode)ireq->i_val;
2909                 /* NB: if not operating in 11g this can wait */
2910                 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
2911                     IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
2912                         error = ERESTART;
2913                 /* driver callback for protection mode update */
2914                 ieee80211_vap_update_erp_protmode(vap);
2915                 break;
2916         case IEEE80211_IOC_TXPOWER:
2917                 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
2918                         return EOPNOTSUPP;
2919                 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val &&
2920                       ireq->i_val <= IEEE80211_TXPOWER_MAX))
2921                         return EINVAL;
2922                 ic->ic_txpowlimit = ireq->i_val;
2923                 error = ERESTART;
2924                 break;
2925         case IEEE80211_IOC_ROAMING:
2926                 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val &&
2927                     ireq->i_val <= IEEE80211_ROAMING_MANUAL))
2928                         return EINVAL;
2929                 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val;
2930                 /* XXXX reset? */
2931                 break;
2932         case IEEE80211_IOC_PRIVACY:
2933                 if (ireq->i_val) {
2934                         /* XXX check for key state? */
2935                         vap->iv_flags |= IEEE80211_F_PRIVACY;
2936                 } else
2937                         vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2938                 /* XXX ERESTART? */
2939                 break;
2940         case IEEE80211_IOC_DROPUNENCRYPTED:
2941                 if (ireq->i_val)
2942                         vap->iv_flags |= IEEE80211_F_DROPUNENC;
2943                 else
2944                         vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2945                 /* XXX ERESTART? */
2946                 break;
2947         case IEEE80211_IOC_WPAKEY:
2948                 error = ieee80211_ioctl_setkey(vap, ireq);
2949                 break;
2950         case IEEE80211_IOC_DELKEY:
2951                 error = ieee80211_ioctl_delkey(vap, ireq);
2952                 break;
2953         case IEEE80211_IOC_MLME:
2954                 error = ieee80211_ioctl_setmlme(vap, ireq);
2955                 break;
2956         case IEEE80211_IOC_COUNTERMEASURES:
2957                 if (ireq->i_val) {
2958                         if ((vap->iv_flags & IEEE80211_F_WPA) == 0)
2959                                 return EOPNOTSUPP;
2960                         vap->iv_flags |= IEEE80211_F_COUNTERM;
2961                 } else
2962                         vap->iv_flags &= ~IEEE80211_F_COUNTERM;
2963                 /* XXX ERESTART? */
2964                 break;
2965         case IEEE80211_IOC_WPA:
2966                 if (ireq->i_val > 3)
2967                         return EINVAL;
2968                 /* XXX verify ciphers available */
2969                 flags = vap->iv_flags & ~IEEE80211_F_WPA;
2970                 switch (ireq->i_val) {
2971                 case 0:
2972                         /* wpa_supplicant calls this to clear the WPA config */
2973                         break;
2974                 case 1:
2975                         if (!(vap->iv_caps & IEEE80211_C_WPA1))
2976                                 return EOPNOTSUPP;
2977                         flags |= IEEE80211_F_WPA1;
2978                         break;
2979                 case 2:
2980                         if (!(vap->iv_caps & IEEE80211_C_WPA2))
2981                                 return EOPNOTSUPP;
2982                         flags |= IEEE80211_F_WPA2;
2983                         break;
2984                 case 3:
2985                         if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA)
2986                                 return EOPNOTSUPP;
2987                         flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2;
2988                         break;
2989                 default:        /*  Can't set any -> error */
2990                         return EOPNOTSUPP;
2991                 }
2992                 vap->iv_flags = flags;
2993                 error = ERESTART;       /* NB: can change beacon frame */
2994                 break;
2995         case IEEE80211_IOC_WME:
2996                 if (ireq->i_val) {
2997                         if ((vap->iv_caps & IEEE80211_C_WME) == 0)
2998                                 return EOPNOTSUPP;
2999                         ieee80211_syncflag(vap, IEEE80211_F_WME);
3000                 } else
3001                         ieee80211_syncflag(vap, -IEEE80211_F_WME);
3002                 error = ERESTART;       /* NB: can change beacon frame */
3003                 break;
3004         case IEEE80211_IOC_HIDESSID:
3005                 if (ireq->i_val)
3006                         vap->iv_flags |= IEEE80211_F_HIDESSID;
3007                 else
3008                         vap->iv_flags &= ~IEEE80211_F_HIDESSID;
3009                 error = ERESTART;               /* XXX ENETRESET? */
3010                 break;
3011         case IEEE80211_IOC_APBRIDGE:
3012                 if (ireq->i_val == 0)
3013                         vap->iv_flags |= IEEE80211_F_NOBRIDGE;
3014                 else
3015                         vap->iv_flags &= ~IEEE80211_F_NOBRIDGE;
3016                 break;
3017         case IEEE80211_IOC_BSSID:
3018                 if (ireq->i_len != sizeof(tmpbssid))
3019                         return EINVAL;
3020                 error = copyin(ireq->i_data, tmpbssid, ireq->i_len);
3021                 if (error)
3022                         break;
3023                 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid);
3024                 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid))
3025                         vap->iv_flags &= ~IEEE80211_F_DESBSSID;
3026                 else
3027                         vap->iv_flags |= IEEE80211_F_DESBSSID;
3028                 error = ENETRESET;
3029                 break;
3030         case IEEE80211_IOC_CHANLIST:
3031                 error = ieee80211_ioctl_setchanlist(vap, ireq);
3032                 break;
3033 #define OLD_IEEE80211_IOC_SCAN_REQ      23
3034 #ifdef OLD_IEEE80211_IOC_SCAN_REQ
3035         case OLD_IEEE80211_IOC_SCAN_REQ:
3036                 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
3037                         "%s: active scan request\n", __func__);
3038                 /*
3039                  * If we are in INIT state then the driver has never
3040                  * had a chance to setup hardware state to do a scan;
3041                  * use the state machine to get us up the SCAN state.
3042                  * Otherwise just invoke the scan machinery to start
3043                  * a one-time scan.
3044                  */
3045                 if (vap->iv_state == IEEE80211_S_INIT)
3046                         ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
3047                 else
3048                         (void) ieee80211_start_scan(vap,
3049                                 IEEE80211_SCAN_ACTIVE |
3050                                 IEEE80211_SCAN_NOPICK |
3051                                 IEEE80211_SCAN_ONCE,
3052                                 IEEE80211_SCAN_FOREVER, 0, 0,
3053                                 /* XXX use ioctl params */
3054                                 vap->iv_des_nssid, vap->iv_des_ssid);
3055                 break;
3056 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */
3057         case IEEE80211_IOC_SCAN_REQ:
3058                 error = ieee80211_ioctl_scanreq(vap, ireq);
3059                 break;
3060         case IEEE80211_IOC_SCAN_CANCEL:
3061                 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
3062                     "%s: cancel scan\n", __func__);
3063                 ieee80211_cancel_scan(vap);
3064                 break;
3065         case IEEE80211_IOC_HTCONF:
3066                 if (ireq->i_val & 1)
3067                         ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT);
3068                 else
3069                         ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT);
3070                 if (ireq->i_val & 2)
3071                         ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40);
3072                 else
3073                         ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40);
3074                 error = ENETRESET;
3075                 break;
3076         case IEEE80211_IOC_ADDMAC:
3077         case IEEE80211_IOC_DELMAC:
3078                 error = ieee80211_ioctl_macmac(vap, ireq);
3079                 break;
3080         case IEEE80211_IOC_MACCMD:
3081                 error = ieee80211_ioctl_setmaccmd(vap, ireq);
3082                 break;
3083         case IEEE80211_IOC_STA_STATS:
3084                 error = ieee80211_ioctl_setstastats(vap, ireq);
3085                 break;
3086         case IEEE80211_IOC_STA_TXPOW:
3087                 error = ieee80211_ioctl_setstatxpow(vap, ireq);
3088                 break;
3089         case IEEE80211_IOC_WME_CWMIN:           /* WME: CWmin */
3090         case IEEE80211_IOC_WME_CWMAX:           /* WME: CWmax */
3091         case IEEE80211_IOC_WME_AIFS:            /* WME: AIFS */
3092         case IEEE80211_IOC_WME_TXOPLIMIT:       /* WME: txops limit */
3093         case IEEE80211_IOC_WME_ACM:             /* WME: ACM (bss only) */
3094         case IEEE80211_IOC_WME_ACKPOLICY:       /* WME: ACK policy (!bss only) */
3095                 error = ieee80211_ioctl_setwmeparam(vap, ireq);
3096                 break;
3097         case IEEE80211_IOC_DTIM_PERIOD:
3098                 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3099                     vap->iv_opmode != IEEE80211_M_MBSS &&
3100                     vap->iv_opmode != IEEE80211_M_IBSS)
3101                         return EINVAL;
3102                 if (IEEE80211_DTIM_MIN <= ireq->i_val &&
3103                     ireq->i_val <= IEEE80211_DTIM_MAX) {
3104                         vap->iv_dtim_period = ireq->i_val;
3105                         error = ENETRESET;              /* requires restart */
3106                 } else
3107                         error = EINVAL;
3108                 break;
3109         case IEEE80211_IOC_BEACON_INTERVAL:
3110                 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3111                     vap->iv_opmode != IEEE80211_M_MBSS &&
3112                     vap->iv_opmode != IEEE80211_M_IBSS)
3113                         return EINVAL;
3114                 if (IEEE80211_BINTVAL_MIN <= ireq->i_val &&
3115                     ireq->i_val <= IEEE80211_BINTVAL_MAX) {
3116                         ic->ic_bintval = ireq->i_val;
3117                         error = ENETRESET;              /* requires restart */
3118                 } else
3119                         error = EINVAL;
3120                 break;
3121         case IEEE80211_IOC_PUREG:
3122                 if (ireq->i_val)
3123                         vap->iv_flags |= IEEE80211_F_PUREG;
3124                 else
3125                         vap->iv_flags &= ~IEEE80211_F_PUREG;
3126                 /* NB: reset only if we're operating on an 11g channel */
3127                 if (isvap11g(vap))
3128                         error = ENETRESET;
3129                 break;
3130         case IEEE80211_IOC_QUIET:
3131                 vap->iv_quiet= ireq->i_val;
3132                 break;
3133         case IEEE80211_IOC_QUIET_COUNT:
3134                 vap->iv_quiet_count=ireq->i_val;
3135                 break;
3136         case IEEE80211_IOC_QUIET_PERIOD:
3137                 vap->iv_quiet_period=ireq->i_val;
3138                 break;
3139         case IEEE80211_IOC_QUIET_OFFSET:
3140                 vap->iv_quiet_offset=ireq->i_val;
3141                 break;
3142         case IEEE80211_IOC_QUIET_DUR:
3143                 if(ireq->i_val < vap->iv_bss->ni_intval)
3144                         vap->iv_quiet_duration = ireq->i_val;
3145                 else
3146                         error = EINVAL;
3147                 break;
3148         case IEEE80211_IOC_BGSCAN:
3149                 if (ireq->i_val) {
3150                         if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0)
3151                                 return EOPNOTSUPP;
3152                         vap->iv_flags |= IEEE80211_F_BGSCAN;
3153                 } else
3154                         vap->iv_flags &= ~IEEE80211_F_BGSCAN;
3155                 break;
3156         case IEEE80211_IOC_BGSCAN_IDLE:
3157                 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN)
3158                         vap->iv_bgscanidle = ireq->i_val*hz/1000;
3159                 else
3160                         error = EINVAL;
3161                 break;
3162         case IEEE80211_IOC_BGSCAN_INTERVAL:
3163                 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN)
3164                         vap->iv_bgscanintvl = ireq->i_val*hz;
3165                 else
3166                         error = EINVAL;
3167                 break;
3168         case IEEE80211_IOC_SCANVALID:
3169                 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN)
3170                         vap->iv_scanvalid = ireq->i_val*hz;
3171                 else
3172                         error = EINVAL;
3173                 break;
3174         case IEEE80211_IOC_FRAGTHRESHOLD:
3175                 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 &&
3176                     ireq->i_val != IEEE80211_FRAG_MAX)
3177                         return EOPNOTSUPP;
3178                 if (!(IEEE80211_FRAG_MIN <= ireq->i_val &&
3179                       ireq->i_val <= IEEE80211_FRAG_MAX))
3180                         return EINVAL;
3181                 vap->iv_fragthreshold = ireq->i_val;
3182                 error = ERESTART;
3183                 break;
3184         case IEEE80211_IOC_BURST:
3185                 if (ireq->i_val) {
3186                         if ((vap->iv_caps & IEEE80211_C_BURST) == 0)
3187                                 return EOPNOTSUPP;
3188                         ieee80211_syncflag(vap, IEEE80211_F_BURST);
3189                 } else
3190                         ieee80211_syncflag(vap, -IEEE80211_F_BURST);
3191                 error = ERESTART;
3192                 break;
3193         case IEEE80211_IOC_BMISSTHRESHOLD:
3194                 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val &&
3195                       ireq->i_val <= IEEE80211_HWBMISS_MAX))
3196                         return EINVAL;
3197                 vap->iv_bmissthreshold = ireq->i_val;
3198                 error = ERESTART;
3199                 break;
3200         case IEEE80211_IOC_CURCHAN:
3201                 error = ieee80211_ioctl_setcurchan(vap, ireq);
3202                 break;
3203         case IEEE80211_IOC_SHORTGI:
3204                 if (ireq->i_val) {
3205 #define IEEE80211_HTCAP_SHORTGI \
3206         (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40)
3207                         if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0)
3208                                 return EINVAL;
3209                         if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20)
3210                                 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20;
3211                         if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40)
3212                                 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40;
3213 #undef IEEE80211_HTCAP_SHORTGI
3214                 } else
3215                         vap->iv_flags_ht &=
3216                             ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40);
3217                 error = ERESTART;
3218                 break;
3219         case IEEE80211_IOC_AMPDU:
3220                 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0)
3221                         return EINVAL;
3222                 if (ireq->i_val & 1)
3223                         vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX;
3224                 else
3225                         vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX;
3226                 if (ireq->i_val & 2)
3227                         vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX;
3228                 else
3229                         vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX;
3230                 /* NB: reset only if we're operating on an 11n channel */
3231                 if (isvapht(vap))
3232                         error = ERESTART;
3233                 break;
3234         case IEEE80211_IOC_AMPDU_LIMIT:
3235                 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */
3236                 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val &&
3237                       ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K))
3238                         return EINVAL;
3239                 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3240                         vap->iv_ampdu_rxmax = ireq->i_val;
3241                 else
3242                         vap->iv_ampdu_limit = ireq->i_val;
3243                 error = ERESTART;
3244                 break;
3245         case IEEE80211_IOC_AMPDU_DENSITY:
3246                 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val &&
3247                       ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16))
3248                         return EINVAL;
3249                 vap->iv_ampdu_density = ireq->i_val;
3250                 error = ERESTART;
3251                 break;
3252         case IEEE80211_IOC_AMSDU:
3253                 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0)
3254                         return EINVAL;
3255                 if (ireq->i_val & 1)
3256                         vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX;
3257                 else
3258                         vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX;
3259                 if (ireq->i_val & 2)
3260                         vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX;
3261                 else
3262                         vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX;
3263                 /* NB: reset only if we're operating on an 11n channel */
3264                 if (isvapht(vap))
3265                         error = ERESTART;
3266                 break;
3267         case IEEE80211_IOC_AMSDU_LIMIT:
3268                 /* XXX validate */
3269                 vap->iv_amsdu_limit = ireq->i_val;      /* XXX truncation? */
3270                 break;
3271         case IEEE80211_IOC_PUREN:
3272                 if (ireq->i_val) {
3273                         if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3274                                 return EINVAL;
3275                         vap->iv_flags_ht |= IEEE80211_FHT_PUREN;
3276                 } else
3277                         vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN;
3278                 /* NB: reset only if we're operating on an 11n channel */
3279                 if (isvapht(vap))
3280                         error = ERESTART;
3281                 break;
3282         case IEEE80211_IOC_DOTH:
3283                 if (ireq->i_val) {
3284 #if 0
3285                         /* XXX no capability */
3286                         if ((vap->iv_caps & IEEE80211_C_DOTH) == 0)
3287                                 return EOPNOTSUPP;
3288 #endif
3289                         vap->iv_flags |= IEEE80211_F_DOTH;
3290                 } else
3291                         vap->iv_flags &= ~IEEE80211_F_DOTH;
3292                 error = ENETRESET;
3293                 break;
3294         case IEEE80211_IOC_REGDOMAIN:
3295                 error = ieee80211_ioctl_setregdomain(vap, ireq);
3296                 break;
3297         case IEEE80211_IOC_ROAM:
3298                 error = ieee80211_ioctl_setroam(vap, ireq);
3299                 break;
3300         case IEEE80211_IOC_TXPARAMS:
3301                 error = ieee80211_ioctl_settxparams(vap, ireq);
3302                 break;
3303         case IEEE80211_IOC_HTCOMPAT:
3304                 if (ireq->i_val) {
3305                         if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3306                                 return EOPNOTSUPP;
3307                         vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT;
3308                 } else
3309                         vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT;
3310                 /* NB: reset only if we're operating on an 11n channel */
3311                 if (isvapht(vap))
3312                         error = ERESTART;
3313                 break;
3314         case IEEE80211_IOC_DWDS:
3315                 if (ireq->i_val) {
3316                         /* NB: DWDS only makes sense for WDS-capable devices */
3317                         if ((ic->ic_caps & IEEE80211_C_WDS) == 0)
3318                                 return EOPNOTSUPP;
3319                         /* NB: DWDS is used only with ap+sta vaps */
3320                         if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3321                             vap->iv_opmode != IEEE80211_M_STA)
3322                                 return EINVAL;
3323                         vap->iv_flags |= IEEE80211_F_DWDS;
3324                         if (vap->iv_opmode == IEEE80211_M_STA)
3325                                 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR;
3326                 } else {
3327                         vap->iv_flags &= ~IEEE80211_F_DWDS;
3328                         if (vap->iv_opmode == IEEE80211_M_STA)
3329                                 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR;
3330                 }
3331                 break;
3332         case IEEE80211_IOC_INACTIVITY:
3333                 if (ireq->i_val)
3334                         vap->iv_flags_ext |= IEEE80211_FEXT_INACT;
3335                 else
3336                         vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT;
3337                 break;
3338         case IEEE80211_IOC_APPIE:
3339                 error = ieee80211_ioctl_setappie(vap, ireq);
3340                 break;
3341         case IEEE80211_IOC_WPS:
3342                 if (ireq->i_val) {
3343                         if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3344                                 return EOPNOTSUPP;
3345                         vap->iv_flags_ext |= IEEE80211_FEXT_WPS;
3346                 } else
3347                         vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS;
3348                 break;
3349         case IEEE80211_IOC_TSN:
3350                 if (ireq->i_val) {
3351                         if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3352                                 return EOPNOTSUPP;
3353                         vap->iv_flags_ext |= IEEE80211_FEXT_TSN;
3354                 } else
3355                         vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN;
3356                 break;
3357         case IEEE80211_IOC_CHANSWITCH:
3358                 error = ieee80211_ioctl_chanswitch(vap, ireq);
3359                 break;
3360         case IEEE80211_IOC_DFS:
3361                 if (ireq->i_val) {
3362                         if ((vap->iv_caps & IEEE80211_C_DFS) == 0)
3363                                 return EOPNOTSUPP;
3364                         /* NB: DFS requires 11h support */
3365                         if ((vap->iv_flags & IEEE80211_F_DOTH) == 0)
3366                                 return EINVAL;
3367                         vap->iv_flags_ext |= IEEE80211_FEXT_DFS;
3368                 } else
3369                         vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS;
3370                 break;
3371         case IEEE80211_IOC_DOTD:
3372                 if (ireq->i_val)
3373                         vap->iv_flags_ext |= IEEE80211_FEXT_DOTD;
3374                 else
3375                         vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD;
3376                 if (vap->iv_opmode == IEEE80211_M_STA)
3377                         error = ENETRESET;
3378                 break;
3379         case IEEE80211_IOC_HTPROTMODE:
3380                 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
3381                         return EINVAL;
3382                 vap->iv_htprotmode = ireq->i_val ?
3383                     IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE;
3384                 /* NB: if not operating in 11n this can wait */
3385                 if (isvapht(vap))
3386                         error = ERESTART;
3387                 /* Notify driver layer of HT protmode changes */
3388                 ieee80211_vap_update_ht_protmode(vap);
3389                 break;
3390         case IEEE80211_IOC_STA_VLAN:
3391                 error = ieee80211_ioctl_setstavlan(vap, ireq);
3392                 break;
3393         case IEEE80211_IOC_SMPS:
3394                 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 ||
3395                     ireq->i_val == 0x0008)      /* value of 2 is reserved */
3396                         return EINVAL;
3397                 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF &&
3398                     (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0)
3399                         return EOPNOTSUPP;
3400                 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) |
3401                         ireq->i_val;
3402                 /* NB: if not operating in 11n this can wait */
3403                 if (isvapht(vap))
3404                         error = ERESTART;
3405                 break;
3406         case IEEE80211_IOC_RIFS:
3407                 if (ireq->i_val != 0) {
3408                         if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0)
3409                                 return EOPNOTSUPP;
3410                         vap->iv_flags_ht |= IEEE80211_FHT_RIFS;
3411                 } else
3412                         vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS;
3413                 /* NB: if not operating in 11n this can wait */
3414                 if (isvapht(vap))
3415                         error = ERESTART;
3416                 break;
3417         case IEEE80211_IOC_STBC:
3418                 /* Check if we can do STBC TX/RX before changing the setting */
3419                 if ((ireq->i_val & 1) &&
3420                     ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0))
3421                         return EOPNOTSUPP;
3422                 if ((ireq->i_val & 2) &&
3423                     ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0))
3424                         return EOPNOTSUPP;
3425
3426                 /* TX */
3427                 if (ireq->i_val & 1)
3428                         vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX;
3429                 else
3430                         vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX;
3431
3432                 /* RX */
3433                 if (ireq->i_val & 2)
3434                         vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX;
3435                 else
3436                         vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX;
3437
3438                 /* NB: reset only if we're operating on an 11n channel */
3439                 if (isvapht(vap))
3440                         error = ERESTART;
3441                 break;
3442         case IEEE80211_IOC_LDPC:
3443                 /* Check if we can do LDPC TX/RX before changing the setting */
3444                 if ((ireq->i_val & 1) &&
3445                     (vap->iv_htcaps & IEEE80211_HTC_TXLDPC) == 0)
3446                         return EOPNOTSUPP;
3447                 if ((ireq->i_val & 2) &&
3448                     (vap->iv_htcaps & IEEE80211_HTCAP_LDPC) == 0)
3449                         return EOPNOTSUPP;
3450
3451                 /* TX */
3452                 if (ireq->i_val & 1)
3453                         vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX;
3454                 else
3455                         vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_TX;
3456
3457                 /* RX */
3458                 if (ireq->i_val & 2)
3459                         vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX;
3460                 else
3461                         vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_RX;
3462
3463                 /* NB: reset only if we're operating on an 11n channel */
3464                 if (isvapht(vap))
3465                         error = ERESTART;
3466                 break;
3467         case IEEE80211_IOC_UAPSD:
3468                 if ((vap->iv_caps & IEEE80211_C_UAPSD) == 0)
3469                         return EOPNOTSUPP;
3470                 if (ireq->i_val == 0)
3471                         vap->iv_flags_ext &= ~IEEE80211_FEXT_UAPSD;
3472                 else if (ireq->i_val == 1)
3473                         vap->iv_flags_ext |= IEEE80211_FEXT_UAPSD;
3474                 else
3475                         return EINVAL;
3476                 break;
3477
3478         /* VHT */
3479         case IEEE80211_IOC_VHTCONF:
3480                 if (ireq->i_val & IEEE80211_FVHT_VHT)
3481                         ieee80211_syncflag_vht(vap, IEEE80211_FVHT_VHT);
3482                 else
3483                         ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_VHT);
3484
3485                 if (ireq->i_val & IEEE80211_FVHT_USEVHT40)
3486                         ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT40);
3487                 else
3488                         ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT40);
3489
3490                 if (ireq->i_val & IEEE80211_FVHT_USEVHT80)
3491                         ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80);
3492                 else
3493                         ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80);
3494
3495                 if (ireq->i_val & IEEE80211_FVHT_USEVHT160)
3496                         ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT160);
3497                 else
3498                         ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT160);
3499
3500                 if (ireq->i_val & IEEE80211_FVHT_USEVHT80P80)
3501                         ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80P80);
3502                 else
3503                         ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80P80);
3504
3505                 error = ENETRESET;
3506                 break;
3507
3508         default:
3509                 error = ieee80211_ioctl_setdefault(vap, ireq);
3510                 break;
3511         }
3512         /*
3513          * The convention is that ENETRESET means an operation
3514          * requires a complete re-initialization of the device (e.g.
3515          * changing something that affects the association state).
3516          * ERESTART means the request may be handled with only a
3517          * reload of the hardware state.  We hand ERESTART requests
3518          * to the iv_reset callback so the driver can decide.  If
3519          * a device does not fillin iv_reset then it defaults to one
3520          * that returns ENETRESET.  Otherwise a driver may return
3521          * ENETRESET (in which case a full reset will be done) or
3522          * 0 to mean there's no need to do anything (e.g. when the
3523          * change has no effect on the driver/device).
3524          */
3525         if (error == ERESTART)
3526                 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ?
3527                     vap->iv_reset(vap, ireq->i_type) : 0;
3528         if (error == ENETRESET) {
3529                 /* XXX need to re-think AUTO handling */
3530                 if (IS_UP_AUTO(vap))
3531                         ieee80211_init(vap);
3532                 error = 0;
3533         }
3534         return error;
3535 }
3536
3537 int
3538 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
3539 {
3540         struct ieee80211vap *vap = ifp->if_softc;
3541         struct ieee80211com *ic = vap->iv_ic;
3542         int error = 0, wait = 0, ic_used;
3543         struct ifreq *ifr;
3544         struct ifaddr *ifa;                     /* XXX */
3545
3546         ic_used = (cmd != SIOCSIFMTU && cmd != SIOCG80211STATS);
3547         if (ic_used && (error = ieee80211_com_vincref(vap)) != 0)
3548                 return (error);
3549
3550         switch (cmd) {
3551         case SIOCSIFFLAGS:
3552                 IEEE80211_LOCK(ic);
3553                 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) {
3554                         /*
3555                          * Enable promiscuous mode when:
3556                          * 1. Interface is not a member of bridge, or
3557                          * 2. Requested by user, or
3558                          * 3. In monitor (or adhoc-demo) mode.
3559                          */
3560                         if (ifp->if_bridge == NULL ||
3561                             (ifp->if_flags & IFF_PPROMISC) != 0 ||
3562                             vap->iv_opmode == IEEE80211_M_MONITOR ||
3563                             (vap->iv_opmode == IEEE80211_M_AHDEMO &&
3564                             (vap->iv_caps & IEEE80211_C_TDMA) == 0)) {
3565                                 ieee80211_promisc(vap,
3566                                     ifp->if_flags & IFF_PROMISC);
3567                                 vap->iv_ifflags ^= IFF_PROMISC;
3568                         }
3569                 }
3570                 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) {
3571                         ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI);
3572                         vap->iv_ifflags ^= IFF_ALLMULTI;
3573                 }
3574                 if (ifp->if_flags & IFF_UP) {
3575                         /*
3576                          * Bring ourself up unless we're already operational.
3577                          * If we're the first vap and the parent is not up
3578                          * then it will automatically be brought up as a
3579                          * side-effect of bringing ourself up.
3580                          */
3581                         if (vap->iv_state == IEEE80211_S_INIT) {
3582                                 if (ic->ic_nrunning == 0)
3583                                         wait = 1;
3584                                 ieee80211_start_locked(vap);
3585                         }
3586                 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
3587                         /*
3588                          * Stop ourself.  If we are the last vap to be
3589                          * marked down the parent will also be taken down.
3590                          */
3591                         if (ic->ic_nrunning == 1)
3592                                 wait = 1;
3593                         ieee80211_stop_locked(vap);
3594                 }
3595                 IEEE80211_UNLOCK(ic);
3596                 /* Wait for parent ioctl handler if it was queued */
3597                 if (wait) {
3598                         struct epoch_tracker et;
3599
3600                         ieee80211_waitfor_parent(ic);
3601
3602                         /*
3603                          * Check if the MAC address was changed
3604                          * via SIOCSIFLLADDR ioctl.
3605                          *
3606                          * NB: device may be detached during initialization;
3607                          * use if_ioctl for existence check.
3608                          */
3609                         NET_EPOCH_ENTER(et);
3610                         if (ifp->if_ioctl == ieee80211_ioctl &&
3611                             (ifp->if_flags & IFF_UP) == 0 &&
3612                             !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp)))
3613                                 IEEE80211_ADDR_COPY(vap->iv_myaddr,
3614                                     IF_LLADDR(ifp));
3615                         NET_EPOCH_EXIT(et);
3616                 }
3617                 break;
3618         case SIOCADDMULTI:
3619         case SIOCDELMULTI:
3620                 ieee80211_runtask(ic, &ic->ic_mcast_task);
3621                 break;
3622         case SIOCSIFMEDIA:
3623         case SIOCGIFMEDIA:
3624                 ifr = (struct ifreq *)data;
3625                 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd);
3626                 break;
3627         case SIOCG80211:
3628                 error = ieee80211_ioctl_get80211(vap, cmd,
3629                                 (struct ieee80211req *) data);
3630                 break;
3631         case SIOCS80211:
3632                 error = ieee80211_priv_check_vap_manage(cmd, vap, ifp);
3633                 if (error == 0)
3634                         error = ieee80211_ioctl_set80211(vap, cmd,
3635                                         (struct ieee80211req *) data);
3636                 break;
3637         case SIOCG80211STATS:
3638                 ifr = (struct ifreq *)data;
3639                 error = copyout(&vap->iv_stats, ifr_data_get_ptr(ifr),
3640                     sizeof(vap->iv_stats));
3641                 break;
3642         case SIOCSIFMTU:
3643                 ifr = (struct ifreq *)data;
3644                 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu &&
3645                     ifr->ifr_mtu <= IEEE80211_MTU_MAX))
3646                         error = EINVAL;
3647                 else
3648                         ifp->if_mtu = ifr->ifr_mtu;
3649                 break;
3650         case SIOCSIFADDR:
3651                 /*
3652                  * XXX Handle this directly so we can suppress if_init calls.
3653                  * XXX This should be done in ether_ioctl but for the moment
3654                  * XXX there are too many other parts of the system that
3655                  * XXX set IFF_UP and so suppress if_init being called when
3656                  * XXX it should be.
3657                  */
3658                 ifa = (struct ifaddr *) data;
3659                 switch (ifa->ifa_addr->sa_family) {
3660 #ifdef INET
3661                 case AF_INET:
3662                         if ((ifp->if_flags & IFF_UP) == 0) {
3663                                 ifp->if_flags |= IFF_UP;
3664                                 ifp->if_init(ifp->if_softc);
3665                         }
3666                         arp_ifinit(ifp, ifa);
3667                         break;
3668 #endif
3669                 default:
3670                         if ((ifp->if_flags & IFF_UP) == 0) {
3671                                 ifp->if_flags |= IFF_UP;
3672                                 ifp->if_init(ifp->if_softc);
3673                         }
3674                         break;
3675                 }
3676                 break;
3677         case SIOCSIFLLADDR:
3678                 error = ieee80211_priv_check_vap_setmac(cmd, vap, ifp);
3679                 if (error == 0)
3680                         break;
3681                 /* Fallthrough */
3682         default:
3683                 /*
3684                  * Pass unknown ioctls first to the driver, and if it
3685                  * returns ENOTTY, then to the generic Ethernet handler.
3686                  */
3687                 if (ic->ic_ioctl != NULL &&
3688                     (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY)
3689                         break;
3690                 error = ether_ioctl(ifp, cmd, data);
3691                 break;
3692         }
3693
3694         if (ic_used)
3695                 ieee80211_com_vdecref(vap);
3696
3697         return (error);
3698 }