sys/netproto/802_11/wlan/ieee80211_ioctl.c

   1 /*-
   2  * Copyright (c) 2001 Atsushi Onoe
   3  * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #include <sys/cdefs.h>
  28 __FBSDID("$FreeBSD$");
  29
  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/priv.h>
  42 #include <sys/socket.h>
  43 #include <sys/sockio.h>
  44 #include <sys/systm.h>
  45
  46 #include <net/if.h>
  47 #include <net/if_var.h>
  48 #include <net/if_dl.h>
  49 #include <net/if_media.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 <netproto/802_11/ieee80211_var.h>
  58 #include <netproto/802_11/ieee80211_ioctl.h>
  59 #include <netproto/802_11/ieee80211_regdomain.h>
  60 #include <netproto/802_11/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(struct ieee80211vap *vap, struct ieee80211req *ireq)
  74 {
  75         struct ieee80211com *ic = vap->iv_ic;
  76         struct ieee80211_node *ni;
  77         struct ieee80211req_key ik;
  78         struct ieee80211_key *wk;
  79         const struct ieee80211_cipher *cip;
  80         u_int kid;
  81         int error;
  82
  83         if (ireq->i_len != sizeof(ik))
  84                 return EINVAL;
  85         error = copyin(ireq->i_data, &ik, sizeof(ik));
  86         if (error)
  87                 return error;
  88         kid = ik.ik_keyix;
  89         if (kid == IEEE80211_KEYIX_NONE) {
  90                 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr);
  91                 if (ni == NULL)
  92                         return ENOENT;
  93                 wk = &ni->ni_ucastkey;
  94         } else {
  95                 if (kid >= IEEE80211_WEP_NKID)
  96                         return EINVAL;
  97                 wk = &vap->iv_nw_keys[kid];
  98                 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr);
  99                 ni = NULL;
 100         }
 101         cip = wk->wk_cipher;
 102         ik.ik_type = cip->ic_cipher;
 103         ik.ik_keylen = wk->wk_keylen;
 104         ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV);
 105         if (wk->wk_keyix == vap->iv_def_txkey)
 106                 ik.ik_flags |= IEEE80211_KEY_DEFAULT;
 107         if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
 108                 /* NB: only root can read key data */
 109                 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID];
 110                 ik.ik_keytsc = wk->wk_keytsc;
 111                 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen);
 112                 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) {
 113                         memcpy(ik.ik_keydata+wk->wk_keylen,
 114                                 wk->wk_key + IEEE80211_KEYBUF_SIZE,
 115                                 IEEE80211_MICBUF_SIZE);
 116                         ik.ik_keylen += IEEE80211_MICBUF_SIZE;
 117                 }
 118         } else {
 119                 ik.ik_keyrsc = 0;
 120                 ik.ik_keytsc = 0;
 121                 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata));
 122         }
 123         if (ni != NULL)
 124                 ieee80211_free_node(ni);
 125         return copyout(&ik, ireq->i_data, sizeof(ik));
 126 }
 127
 128 static int
 129 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
 130 {
 131         struct ieee80211com *ic = vap->iv_ic;
 132
 133         if (sizeof(ic->ic_chan_active) < ireq->i_len)
 134                 ireq->i_len = sizeof(ic->ic_chan_active);
 135         return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len);
 136 }
 137
 138 static int
 139 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
 140 {
 141         struct ieee80211com *ic = vap->iv_ic;
 142         uint32_t space;
 143
 144         space = __offsetof(struct ieee80211req_chaninfo,
 145                         ic_chans[ic->ic_nchans]);
 146         if (space > ireq->i_len)
 147                 space = ireq->i_len;
 148         /* XXX assumes compatible layout */
 149         return copyout(&ic->ic_nchans, ireq->i_data, space);
 150 }
 151
 152 static int
 153 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap,
 154         struct ieee80211req *ireq, int req)
 155 {
 156         struct ieee80211_node *ni;
 157         struct ieee80211req_wpaie2 *wpaie;
 158         int error;
 159
 160         if (ireq->i_len < IEEE80211_ADDR_LEN)
 161                 return EINVAL;
 162 #if defined(__DragonFly__)
 163         wpaie = kmalloc(sizeof(*wpaie), M_TEMP, M_INTWAIT | M_ZERO);
 164 #else
 165         wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP,
 166             IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
 167 #endif
 168         if (wpaie == NULL)
 169                 return ENOMEM;
 170         error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN);
 171         if (error != 0)
 172                 goto bad;
 173         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr);
 174         if (ni == NULL) {
 175                 error = ENOENT;
 176                 goto bad;
 177         }
 178         if (ni->ni_ies.wpa_ie != NULL) {
 179                 int ielen = ni->ni_ies.wpa_ie[1] + 2;
 180                 if (ielen > sizeof(wpaie->wpa_ie))
 181                         ielen = sizeof(wpaie->wpa_ie);
 182                 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen);
 183         }
 184         if (req == IEEE80211_IOC_WPAIE2) {
 185                 if (ni->ni_ies.rsn_ie != NULL) {
 186                         int ielen = ni->ni_ies.rsn_ie[1] + 2;
 187                         if (ielen > sizeof(wpaie->rsn_ie))
 188                                 ielen = sizeof(wpaie->rsn_ie);
 189                         memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen);
 190                 }
 191                 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2))
 192                         ireq->i_len = sizeof(struct ieee80211req_wpaie2);
 193         } else {
 194                 /* compatibility op, may overwrite wpa ie */
 195                 /* XXX check ic_flags? */
 196                 if (ni->ni_ies.rsn_ie != NULL) {
 197                         int ielen = ni->ni_ies.rsn_ie[1] + 2;
 198                         if (ielen > sizeof(wpaie->wpa_ie))
 199                                 ielen = sizeof(wpaie->wpa_ie);
 200                         memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen);
 201                 }
 202                 if (ireq->i_len > sizeof(struct ieee80211req_wpaie))
 203                         ireq->i_len = sizeof(struct ieee80211req_wpaie);
 204         }
 205         ieee80211_free_node(ni);
 206         error = copyout(wpaie, ireq->i_data, ireq->i_len);
 207 bad:
 208         IEEE80211_FREE(wpaie, M_TEMP);
 209         return error;
 210 }
 211
 212 static int
 213 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
 214 {
 215         struct ieee80211_node *ni;
 216         uint8_t macaddr[IEEE80211_ADDR_LEN];
 217         const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats);
 218         int error;
 219
 220         if (ireq->i_len < off)
 221                 return EINVAL;
 222         error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
 223         if (error != 0)
 224                 return error;
 225         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
 226         if (ni == NULL)
 227                 return ENOENT;
 228         if (ireq->i_len > sizeof(struct ieee80211req_sta_stats))
 229                 ireq->i_len = sizeof(struct ieee80211req_sta_stats);
 230         /* NB: copy out only the statistics */
 231         error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off,
 232                         ireq->i_len - off);
 233         ieee80211_free_node(ni);
 234         return error;
 235 }
 236
 237 struct scanreq {
 238         struct ieee80211req_scan_result *sr;
 239         size_t space;
 240 };
 241
 242 static size_t
 243 scan_space(const struct ieee80211_scan_entry *se, int *ielen)
 244 {
 245         size_t len;
 246
 247         *ielen = se->se_ies.len;
 248         /*
 249          * NB: ie's can be no more than 255 bytes and the max 802.11
 250          * packet is <3Kbytes so we are sure this doesn't overflow
 251          * 16-bits; if this is a concern we can drop the ie's.
 252          */
 253         len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] +
 254             se->se_meshid[1] + *ielen;
 255         return roundup(len, sizeof(uint32_t));
 256 }
 257
 258 static void
 259 get_scan_space(void *arg, const struct ieee80211_scan_entry *se)
 260 {
 261         struct scanreq *req = arg;
 262         int ielen;
 263
 264         req->space += scan_space(se, &ielen);
 265 }
 266
 267 static void
 268 get_scan_result(void *arg, const struct ieee80211_scan_entry *se)
 269 {
 270         struct scanreq *req = arg;
 271         struct ieee80211req_scan_result *sr;
 272         int ielen, len, nr, nxr;
 273         uint8_t *cp;
 274
 275         len = scan_space(se, &ielen);
 276         if (len > req->space)
 277                 return;
 278
 279         sr = req->sr;
 280         KASSERT(len <= 65535 && ielen <= 65535,
 281             ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen));
 282         sr->isr_len = len;
 283         sr->isr_ie_off = sizeof(struct ieee80211req_scan_result);
 284         sr->isr_ie_len = ielen;
 285         sr->isr_freq = se->se_chan->ic_freq;
 286         sr->isr_flags = se->se_chan->ic_flags;
 287         sr->isr_rssi = se->se_rssi;
 288         sr->isr_noise = se->se_noise;
 289         sr->isr_intval = se->se_intval;
 290         sr->isr_capinfo = se->se_capinfo;
 291         sr->isr_erp = se->se_erp;
 292         IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid);
 293         nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE);
 294         memcpy(sr->isr_rates, se->se_rates+2, nr);
 295         nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr);
 296         memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr);
 297         sr->isr_nrates = nr + nxr;
 298
 299         /* copy SSID */
 300         sr->isr_ssid_len = se->se_ssid[1];
 301         cp = ((uint8_t *)sr) + sr->isr_ie_off;
 302         memcpy(cp, se->se_ssid+2, sr->isr_ssid_len);
 303
 304         /* copy mesh id */
 305         cp += sr->isr_ssid_len;
 306         sr->isr_meshid_len = se->se_meshid[1];
 307         memcpy(cp, se->se_meshid+2, sr->isr_meshid_len);
 308         cp += sr->isr_meshid_len;
 309
 310         if (ielen)
 311                 memcpy(cp, se->se_ies.data, ielen);
 312
 313         req->space -= len;
 314         req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len);
 315 }
 316
 317 static int
 318 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap,
 319         struct ieee80211req *ireq)
 320 {
 321         struct scanreq req;
 322         int error;
 323
 324         if (ireq->i_len < sizeof(struct scanreq))
 325                 return EFAULT;
 326
 327         error = 0;
 328         req.space = 0;
 329         ieee80211_scan_iterate(vap, get_scan_space, &req);
 330         if (req.space > ireq->i_len)
 331                 req.space = ireq->i_len;
 332         if (req.space > 0) {
 333                 uint32_t space;
 334                 void *p;
 335
 336                 space = req.space;
 337                 /* XXX M_WAITOK after driver lock released */
 338 #if defined(__DragonFly__)
 339                 p = kmalloc(space, M_TEMP, M_INTWAIT | M_ZERO);
 340 #else
 341                 p = IEEE80211_MALLOC(space, M_TEMP,
 342                         IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
 343 #endif
 344                 if (p == NULL)
 345                         return ENOMEM;
 346                 req.sr = p;
 347                 ieee80211_scan_iterate(vap, get_scan_result, &req);
 348                 ireq->i_len = space - req.space;
 349                 error = copyout(p, ireq->i_data, ireq->i_len);
 350                 IEEE80211_FREE(p, M_TEMP);
 351         } else
 352                 ireq->i_len = 0;
 353
 354         return error;
 355 }
 356
 357 struct stainforeq {
 358         struct ieee80211vap *vap;
 359         struct ieee80211req_sta_info *si;
 360         size_t  space;
 361 };
 362
 363 static size_t
 364 sta_space(const struct ieee80211_node *ni, size_t *ielen)
 365 {
 366         *ielen = ni->ni_ies.len;
 367         return roundup(sizeof(struct ieee80211req_sta_info) + *ielen,
 368                       sizeof(uint32_t));
 369 }
 370
 371 static void
 372 get_sta_space(void *arg, struct ieee80211_node *ni)
 373 {
 374         struct stainforeq *req = arg;
 375         size_t ielen;
 376
 377         if (req->vap != ni->ni_vap)
 378                 return;
 379         if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP &&
 380             ni->ni_associd == 0)        /* only associated stations */
 381                 return;
 382         req->space += sta_space(ni, &ielen);
 383 }
 384
 385 static void
 386 get_sta_info(void *arg, struct ieee80211_node *ni)
 387 {
 388         struct stainforeq *req = arg;
 389         struct ieee80211vap *vap = ni->ni_vap;
 390         struct ieee80211req_sta_info *si;
 391         size_t ielen, len;
 392         uint8_t *cp;
 393
 394         if (req->vap != ni->ni_vap)
 395                 return;
 396         if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
 397             ni->ni_associd == 0)        /* only associated stations */
 398                 return;
 399         if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */
 400                 return;
 401         len = sta_space(ni, &ielen);
 402         if (len > req->space)
 403                 return;
 404         si = req->si;
 405         si->isi_len = len;
 406         si->isi_ie_off = sizeof(struct ieee80211req_sta_info);
 407         si->isi_ie_len = ielen;
 408         si->isi_freq = ni->ni_chan->ic_freq;
 409         si->isi_flags = ni->ni_chan->ic_flags;
 410         si->isi_state = ni->ni_flags;
 411         si->isi_authmode = ni->ni_authmode;
 412         vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise);
 413         vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo);
 414         si->isi_capinfo = ni->ni_capinfo;
 415         si->isi_erp = ni->ni_erp;
 416         IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr);
 417         si->isi_nrates = ni->ni_rates.rs_nrates;
 418         if (si->isi_nrates > 15)
 419                 si->isi_nrates = 15;
 420         memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates);
 421         si->isi_txrate = ni->ni_txrate;
 422         if (si->isi_txrate & IEEE80211_RATE_MCS) {
 423                 const struct ieee80211_mcs_rates *mcs =
 424                     &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS];
 425                 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) {
 426                         if (ni->ni_flags & IEEE80211_NODE_SGI40)
 427                                 si->isi_txmbps = mcs->ht40_rate_800ns;
 428                         else
 429                                 si->isi_txmbps = mcs->ht40_rate_400ns;
 430                 } else {
 431                         if (ni->ni_flags & IEEE80211_NODE_SGI20)
 432                                 si->isi_txmbps = mcs->ht20_rate_800ns;
 433                         else
 434                                 si->isi_txmbps = mcs->ht20_rate_400ns;
 435                 }
 436         } else
 437                 si->isi_txmbps = si->isi_txrate;
 438         si->isi_associd = ni->ni_associd;
 439         si->isi_txpower = ni->ni_txpower;
 440         si->isi_vlan = ni->ni_vlan;
 441         if (ni->ni_flags & IEEE80211_NODE_QOS) {
 442                 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs));
 443                 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs));
 444         } else {
 445                 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID];
 446                 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID];
 447         }
 448         /* NB: leave all cases in case we relax ni_associd == 0 check */
 449         if (ieee80211_node_is_authorized(ni))
 450                 si->isi_inact = vap->iv_inact_run;
 451         else if (ni->ni_associd != 0 ||
 452             (vap->iv_opmode == IEEE80211_M_WDS &&
 453              (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY)))
 454                 si->isi_inact = vap->iv_inact_auth;
 455         else
 456                 si->isi_inact = vap->iv_inact_init;
 457         si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT;
 458         si->isi_localid = ni->ni_mllid;
 459         si->isi_peerid = ni->ni_mlpid;
 460         si->isi_peerstate = ni->ni_mlstate;
 461
 462         if (ielen) {
 463                 cp = ((uint8_t *)si) + si->isi_ie_off;
 464                 memcpy(cp, ni->ni_ies.data, ielen);
 465         }
 466
 467         req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len);
 468         req->space -= len;
 469 }
 470
 471 static int
 472 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq,
 473         struct ieee80211_node *ni, size_t off)
 474 {
 475         struct ieee80211com *ic = vap->iv_ic;
 476         struct stainforeq req;
 477         size_t space;
 478         void *p;
 479         int error;
 480
 481         error = 0;
 482         req.space = 0;
 483         req.vap = vap;
 484         if (ni == NULL)
 485                 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req);
 486         else
 487                 get_sta_space(&req, ni);
 488         if (req.space > ireq->i_len)
 489                 req.space = ireq->i_len;
 490         if (req.space > 0) {
 491                 space = req.space;
 492                 /* XXX M_WAITOK after driver lock released */
 493 #if defined(__DragonFly__)
 494                 p = kmalloc(space, M_TEMP, M_INTWAIT | M_ZERO);
 495 #else
 496                 p = IEEE80211_MALLOC(space, M_TEMP,
 497                         IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
 498 #endif
 499                 if (p == NULL) {
 500                         error = ENOMEM;
 501                         goto bad;
 502                 }
 503                 req.si = p;
 504                 if (ni == NULL)
 505                         ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req);
 506                 else
 507                         get_sta_info(&req, ni);
 508                 ireq->i_len = space - req.space;
 509                 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len);
 510                 IEEE80211_FREE(p, M_TEMP);
 511         } else
 512                 ireq->i_len = 0;
 513 bad:
 514         if (ni != NULL)
 515                 ieee80211_free_node(ni);
 516         return error;
 517 }
 518
 519 static int
 520 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
 521 {
 522         uint8_t macaddr[IEEE80211_ADDR_LEN];
 523         const size_t off = __offsetof(struct ieee80211req_sta_req, info);
 524         struct ieee80211_node *ni;
 525         int error;
 526
 527         if (ireq->i_len < sizeof(struct ieee80211req_sta_req))
 528                 return EFAULT;
 529         error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
 530         if (error != 0)
 531                 return error;
 532         if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) {
 533                 ni = NULL;
 534         } else {
 535                 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
 536                 if (ni == NULL)
 537                         return ENOENT;
 538         }
 539         return getstainfo_common(vap, ireq, ni, off);
 540 }
 541
 542 static int
 543 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
 544 {
 545         struct ieee80211_node *ni;
 546         struct ieee80211req_sta_txpow txpow;
 547         int error;
 548
 549         if (ireq->i_len != sizeof(txpow))
 550                 return EINVAL;
 551         error = copyin(ireq->i_data, &txpow, sizeof(txpow));
 552         if (error != 0)
 553                 return error;
 554         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
 555         if (ni == NULL)
 556                 return ENOENT;
 557         txpow.it_txpow = ni->ni_txpower;
 558         error = copyout(&txpow, ireq->i_data, sizeof(txpow));
 559         ieee80211_free_node(ni);
 560         return error;
 561 }
 562
 563 static int
 564 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
 565 {
 566         struct ieee80211com *ic = vap->iv_ic;
 567         struct ieee80211_wme_state *wme = &ic->ic_wme;
 568         struct wmeParams *wmep;
 569         int ac;
 570
 571         if ((ic->ic_caps & IEEE80211_C_WME) == 0)
 572                 return EINVAL;
 573
 574         ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
 575         if (ac >= WME_NUM_AC)
 576                 ac = WME_AC_BE;
 577         if (ireq->i_len & IEEE80211_WMEPARAM_BSS)
 578                 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
 579         else
 580                 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
 581         switch (ireq->i_type) {
 582         case IEEE80211_IOC_WME_CWMIN:           /* WME: CWmin */
 583                 ireq->i_val = wmep->wmep_logcwmin;
 584                 break;
 585         case IEEE80211_IOC_WME_CWMAX:           /* WME: CWmax */
 586                 ireq->i_val = wmep->wmep_logcwmax;
 587                 break;
 588         case IEEE80211_IOC_WME_AIFS:            /* WME: AIFS */
 589                 ireq->i_val = wmep->wmep_aifsn;
 590                 break;
 591         case IEEE80211_IOC_WME_TXOPLIMIT:       /* WME: txops limit */
 592                 ireq->i_val = wmep->wmep_txopLimit;
 593                 break;
 594         case IEEE80211_IOC_WME_ACM:             /* WME: ACM (bss only) */
 595                 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
 596                 ireq->i_val = wmep->wmep_acm;
 597                 break;
 598         case IEEE80211_IOC_WME_ACKPOLICY:       /* WME: ACK policy (!bss only)*/
 599                 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
 600                 ireq->i_val = !wmep->wmep_noackPolicy;
 601                 break;
 602         }
 603         return 0;
 604 }
 605
 606 static int
 607 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
 608 {
 609         const struct ieee80211_aclator *acl = vap->iv_acl;
 610
 611         return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq));
 612 }
 613
 614 static int
 615 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq)
 616 {
 617         struct ieee80211com *ic = vap->iv_ic;
 618         struct ieee80211_channel *c;
 619
 620         if (ireq->i_len != sizeof(struct ieee80211_channel))
 621                 return EINVAL;
 622         /*
 623          * vap's may have different operating channels when HT is
 624          * in use.  When in RUN state report the vap-specific channel.
 625          * Otherwise return curchan.
 626          */
 627         if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)
 628                 c = vap->iv_bss->ni_chan;
 629         else
 630                 c = ic->ic_curchan;
 631         return copyout(c, ireq->i_data, sizeof(*c));
 632 }
 633
 634 static int
 635 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq)
 636 {
 637         if (aie == NULL)
 638                 return EINVAL;
 639         /* NB: truncate, caller can check length */
 640         if (ireq->i_len > aie->ie_len)
 641                 ireq->i_len = aie->ie_len;
 642         return copyout(aie->ie_data, ireq->i_data, ireq->i_len);
 643 }
 644
 645 static int
 646 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq)
 647 {
 648         uint8_t fc0;
 649
 650         fc0 = ireq->i_val & 0xff;
 651         if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
 652                 return EINVAL;
 653         /* NB: could check iv_opmode and reject but hardly worth the effort */
 654         switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
 655         case IEEE80211_FC0_SUBTYPE_BEACON:
 656                 return getappie(vap->iv_appie_beacon, ireq);
 657         case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
 658                 return getappie(vap->iv_appie_proberesp, ireq);
 659         case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
 660                 return getappie(vap->iv_appie_assocresp, ireq);
 661         case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
 662                 return getappie(vap->iv_appie_probereq, ireq);
 663         case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
 664                 return getappie(vap->iv_appie_assocreq, ireq);
 665         case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP:
 666                 return getappie(vap->iv_appie_wpa, ireq);
 667         }
 668         return EINVAL;
 669 }
 670
 671 static int
 672 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap,
 673         const struct ieee80211req *ireq)
 674 {
 675         struct ieee80211com *ic = vap->iv_ic;
 676
 677         if (ireq->i_len != sizeof(ic->ic_regdomain))
 678                 return EINVAL;
 679         return copyout(&ic->ic_regdomain, ireq->i_data,
 680             sizeof(ic->ic_regdomain));
 681 }
 682
 683 static int
 684 ieee80211_ioctl_getroam(struct ieee80211vap *vap,
 685         const struct ieee80211req *ireq)
 686 {
 687         size_t len = ireq->i_len;
 688         /* NB: accept short requests for backwards compat */
 689         if (len > sizeof(vap->iv_roamparms))
 690                 len = sizeof(vap->iv_roamparms);
 691         return copyout(vap->iv_roamparms, ireq->i_data, len);
 692 }
 693
 694 static int
 695 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap,
 696         const struct ieee80211req *ireq)
 697 {
 698         size_t len = ireq->i_len;
 699         /* NB: accept short requests for backwards compat */
 700         if (len > sizeof(vap->iv_txparms))
 701                 len = sizeof(vap->iv_txparms);
 702         return copyout(vap->iv_txparms, ireq->i_data, len);
 703 }
 704
 705 static int
 706 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic,
 707         const struct ieee80211req *ireq)
 708 {
 709         struct ieee80211_devcaps_req *dc;
 710         struct ieee80211req_chaninfo *ci;
 711         int maxchans, error;
 712
 713         maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) /
 714             sizeof(struct ieee80211_channel));
 715         /* NB: require 1 so we know ic_nchans is accessible */
 716         if (maxchans < 1)
 717                 return EINVAL;
 718         /* constrain max request size, 2K channels is ~24Kbytes */
 719         if (maxchans > 2048)
 720                 maxchans = 2048;
 721 #if defined(__DragonFly__)
 722         dc = (struct ieee80211_devcaps_req *)
 723             kmalloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, M_INTWAIT | M_ZERO);
 724 #else
 725         dc = (struct ieee80211_devcaps_req *)
 726             IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP,
 727                 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
 728 #endif
 729         if (dc == NULL)
 730                 return ENOMEM;
 731         dc->dc_drivercaps = ic->ic_caps;
 732         dc->dc_cryptocaps = ic->ic_cryptocaps;
 733         dc->dc_htcaps = ic->ic_htcaps;
 734         ci = &dc->dc_chaninfo;
 735         ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans);
 736         KASSERT(ci->ic_nchans <= maxchans,
 737             ("nchans %d maxchans %d", ci->ic_nchans, maxchans));
 738         ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans);
 739         error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc));
 740         IEEE80211_FREE(dc, M_TEMP);
 741         return error;
 742 }
 743
 744 static int
 745 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
 746 {
 747         struct ieee80211_node *ni;
 748         struct ieee80211req_sta_vlan vlan;
 749         int error;
 750
 751         if (ireq->i_len != sizeof(vlan))
 752                 return EINVAL;
 753         error = copyin(ireq->i_data, &vlan, sizeof(vlan));
 754         if (error != 0)
 755                 return error;
 756         if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
 757                 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
 758                     vlan.sv_macaddr);
 759                 if (ni == NULL)
 760                         return ENOENT;
 761         } else
 762                 ni = ieee80211_ref_node(vap->iv_bss);
 763         vlan.sv_vlan = ni->ni_vlan;
 764         error = copyout(&vlan, ireq->i_data, sizeof(vlan));
 765         ieee80211_free_node(ni);
 766         return error;
 767 }
 768
 769 /*
 770  * Dummy ioctl get handler so the linker set is defined.
 771  */
 772 static int
 773 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq)
 774 {
 775         return ENOSYS;
 776 }
 777 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get);
 778
 779 static int
 780 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
 781 {
 782         ieee80211_ioctl_getfunc * const *get;
 783         int error;
 784
 785         SET_FOREACH(get, ieee80211_ioctl_getset) {
 786                 error = (*get)(vap, ireq);
 787                 if (error != ENOSYS)
 788                         return error;
 789         }
 790         return EINVAL;
 791 }
 792
 793 static int
 794 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd,
 795     struct ieee80211req *ireq)
 796 {
 797 #define MS(_v, _f)      (((_v) & _f) >> _f##_S)
 798         struct ieee80211com *ic = vap->iv_ic;
 799         u_int kid, len;
 800         uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
 801         char tmpssid[IEEE80211_NWID_LEN];
 802         int error = 0;
 803
 804         switch (ireq->i_type) {
 805         case IEEE80211_IOC_SSID:
 806                 switch (vap->iv_state) {
 807                 case IEEE80211_S_INIT:
 808                 case IEEE80211_S_SCAN:
 809                         ireq->i_len = vap->iv_des_ssid[0].len;
 810                         memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len);
 811                         break;
 812                 default:
 813                         ireq->i_len = vap->iv_bss->ni_esslen;
 814                         memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len);
 815                         break;
 816                 }
 817                 error = copyout(tmpssid, ireq->i_data, ireq->i_len);
 818                 break;
 819         case IEEE80211_IOC_NUMSSIDS:
 820                 ireq->i_val = 1;
 821                 break;
 822         case IEEE80211_IOC_WEP:
 823                 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0)
 824                         ireq->i_val = IEEE80211_WEP_OFF;
 825                 else if (vap->iv_flags & IEEE80211_F_DROPUNENC)
 826                         ireq->i_val = IEEE80211_WEP_ON;
 827                 else
 828                         ireq->i_val = IEEE80211_WEP_MIXED;
 829                 break;
 830         case IEEE80211_IOC_WEPKEY:
 831                 kid = (u_int) ireq->i_val;
 832                 if (kid >= IEEE80211_WEP_NKID)
 833                         return EINVAL;
 834                 len = (u_int) vap->iv_nw_keys[kid].wk_keylen;
 835                 /* NB: only root can read WEP keys */
 836                 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
 837                         bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len);
 838                 } else {
 839                         bzero(tmpkey, len);
 840                 }
 841                 ireq->i_len = len;
 842                 error = copyout(tmpkey, ireq->i_data, len);
 843                 break;
 844         case IEEE80211_IOC_NUMWEPKEYS:
 845                 ireq->i_val = IEEE80211_WEP_NKID;
 846                 break;
 847         case IEEE80211_IOC_WEPTXKEY:
 848                 ireq->i_val = vap->iv_def_txkey;
 849                 break;
 850         case IEEE80211_IOC_AUTHMODE:
 851                 if (vap->iv_flags & IEEE80211_F_WPA)
 852                         ireq->i_val = IEEE80211_AUTH_WPA;
 853                 else
 854                         ireq->i_val = vap->iv_bss->ni_authmode;
 855                 break;
 856         case IEEE80211_IOC_CHANNEL:
 857                 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan);
 858                 break;
 859         case IEEE80211_IOC_POWERSAVE:
 860                 if (vap->iv_flags & IEEE80211_F_PMGTON)
 861                         ireq->i_val = IEEE80211_POWERSAVE_ON;
 862                 else
 863                         ireq->i_val = IEEE80211_POWERSAVE_OFF;
 864                 break;
 865         case IEEE80211_IOC_POWERSAVESLEEP:
 866                 ireq->i_val = ic->ic_lintval;
 867                 break;
 868         case IEEE80211_IOC_RTSTHRESHOLD:
 869                 ireq->i_val = vap->iv_rtsthreshold;
 870                 break;
 871         case IEEE80211_IOC_PROTMODE:
 872                 ireq->i_val = ic->ic_protmode;
 873                 break;
 874         case IEEE80211_IOC_TXPOWER:
 875                 /*
 876                  * Tx power limit is the min of max regulatory
 877                  * power, any user-set limit, and the max the
 878                  * radio can do.
 879                  */
 880                 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower;
 881                 if (ireq->i_val > ic->ic_txpowlimit)
 882                         ireq->i_val = ic->ic_txpowlimit;
 883                 if (ireq->i_val > ic->ic_curchan->ic_maxpower)
 884                         ireq->i_val = ic->ic_curchan->ic_maxpower;
 885                 break;
 886         case IEEE80211_IOC_WPA:
 887                 switch (vap->iv_flags & IEEE80211_F_WPA) {
 888                 case IEEE80211_F_WPA1:
 889                         ireq->i_val = 1;
 890                         break;
 891                 case IEEE80211_F_WPA2:
 892                         ireq->i_val = 2;
 893                         break;
 894                 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2:
 895                         ireq->i_val = 3;
 896                         break;
 897                 default:
 898                         ireq->i_val = 0;
 899                         break;
 900                 }
 901                 break;
 902         case IEEE80211_IOC_CHANLIST:
 903                 error = ieee80211_ioctl_getchanlist(vap, ireq);
 904                 break;
 905         case IEEE80211_IOC_ROAMING:
 906                 ireq->i_val = vap->iv_roaming;
 907                 break;
 908         case IEEE80211_IOC_PRIVACY:
 909                 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0;
 910                 break;
 911         case IEEE80211_IOC_DROPUNENCRYPTED:
 912                 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0;
 913                 break;
 914         case IEEE80211_IOC_COUNTERMEASURES:
 915                 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0;
 916                 break;
 917         case IEEE80211_IOC_WME:
 918                 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0;
 919                 break;
 920         case IEEE80211_IOC_HIDESSID:
 921                 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0;
 922                 break;
 923         case IEEE80211_IOC_APBRIDGE:
 924                 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0;
 925                 break;
 926         case IEEE80211_IOC_WPAKEY:
 927                 error = ieee80211_ioctl_getkey(vap, ireq);
 928                 break;
 929         case IEEE80211_IOC_CHANINFO:
 930                 error = ieee80211_ioctl_getchaninfo(vap, ireq);
 931                 break;
 932         case IEEE80211_IOC_BSSID:
 933                 if (ireq->i_len != IEEE80211_ADDR_LEN)
 934                         return EINVAL;
 935                 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) {
 936                         error = copyout(vap->iv_opmode == IEEE80211_M_WDS ?
 937                             vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid,
 938                             ireq->i_data, ireq->i_len);
 939                 } else
 940                         error = copyout(vap->iv_des_bssid, ireq->i_data,
 941                             ireq->i_len);
 942                 break;
 943         case IEEE80211_IOC_WPAIE:
 944         case IEEE80211_IOC_WPAIE2:
 945                 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
 946                 break;
 947         case IEEE80211_IOC_SCAN_RESULTS:
 948                 error = ieee80211_ioctl_getscanresults(vap, ireq);
 949                 break;
 950         case IEEE80211_IOC_STA_STATS:
 951                 error = ieee80211_ioctl_getstastats(vap, ireq);
 952                 break;
 953         case IEEE80211_IOC_TXPOWMAX:
 954                 ireq->i_val = vap->iv_bss->ni_txpower;
 955                 break;
 956         case IEEE80211_IOC_STA_TXPOW:
 957                 error = ieee80211_ioctl_getstatxpow(vap, ireq);
 958                 break;
 959         case IEEE80211_IOC_STA_INFO:
 960                 error = ieee80211_ioctl_getstainfo(vap, ireq);
 961                 break;
 962         case IEEE80211_IOC_WME_CWMIN:           /* WME: CWmin */
 963         case IEEE80211_IOC_WME_CWMAX:           /* WME: CWmax */
 964         case IEEE80211_IOC_WME_AIFS:            /* WME: AIFS */
 965         case IEEE80211_IOC_WME_TXOPLIMIT:       /* WME: txops limit */
 966         case IEEE80211_IOC_WME_ACM:             /* WME: ACM (bss only) */
 967         case IEEE80211_IOC_WME_ACKPOLICY:       /* WME: ACK policy (!bss only) */
 968                 error = ieee80211_ioctl_getwmeparam(vap, ireq);
 969                 break;
 970         case IEEE80211_IOC_DTIM_PERIOD:
 971                 ireq->i_val = vap->iv_dtim_period;
 972                 break;
 973         case IEEE80211_IOC_BEACON_INTERVAL:
 974                 /* NB: get from ic_bss for station mode */
 975                 ireq->i_val = vap->iv_bss->ni_intval;
 976                 break;
 977         case IEEE80211_IOC_PUREG:
 978                 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0;
 979                 break;
 980         case IEEE80211_IOC_QUIET:
 981                 ireq->i_val = vap->iv_quiet;
 982                 break;
 983         case IEEE80211_IOC_QUIET_COUNT:
 984                 ireq->i_val = vap->iv_quiet_count;
 985                 break;
 986         case IEEE80211_IOC_QUIET_PERIOD:
 987                 ireq->i_val = vap->iv_quiet_period;
 988                 break;
 989         case IEEE80211_IOC_QUIET_DUR:
 990                 ireq->i_val = vap->iv_quiet_duration;
 991                 break;
 992         case IEEE80211_IOC_QUIET_OFFSET:
 993                 ireq->i_val = vap->iv_quiet_offset;
 994                 break;
 995         case IEEE80211_IOC_BGSCAN:
 996                 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0;
 997                 break;
 998         case IEEE80211_IOC_BGSCAN_IDLE:
 999                 ireq->i_val = vap->iv_bgscanidle*hz/1000;       /* ms */
1000                 break;
1001         case IEEE80211_IOC_BGSCAN_INTERVAL:
1002                 ireq->i_val = vap->iv_bgscanintvl/hz;           /* seconds */
1003                 break;
1004         case IEEE80211_IOC_SCANVALID:
1005                 ireq->i_val = vap->iv_scanvalid/hz;             /* seconds */
1006                 break;
1007         case IEEE80211_IOC_FRAGTHRESHOLD:
1008                 ireq->i_val = vap->iv_fragthreshold;
1009                 break;
1010         case IEEE80211_IOC_MACCMD:
1011                 error = ieee80211_ioctl_getmaccmd(vap, ireq);
1012                 break;
1013         case IEEE80211_IOC_BURST:
1014                 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0;
1015                 break;
1016         case IEEE80211_IOC_BMISSTHRESHOLD:
1017                 ireq->i_val = vap->iv_bmissthreshold;
1018                 break;
1019         case IEEE80211_IOC_CURCHAN:
1020                 error = ieee80211_ioctl_getcurchan(vap, ireq);
1021                 break;
1022         case IEEE80211_IOC_SHORTGI:
1023                 ireq->i_val = 0;
1024                 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20)
1025                         ireq->i_val |= IEEE80211_HTCAP_SHORTGI20;
1026                 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40)
1027                         ireq->i_val |= IEEE80211_HTCAP_SHORTGI40;
1028                 break;
1029         case IEEE80211_IOC_AMPDU:
1030                 ireq->i_val = 0;
1031                 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX)
1032                         ireq->i_val |= 1;
1033                 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX)
1034                         ireq->i_val |= 2;
1035                 break;
1036         case IEEE80211_IOC_AMPDU_LIMIT:
1037                 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
1038                         ireq->i_val = vap->iv_ampdu_rxmax;
1039                 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)
1040                         /*
1041                          * XXX TODO: this isn't completely correct, as we've
1042                          * negotiated the higher of the two.
1043                          */
1044                         ireq->i_val = MS(vap->iv_bss->ni_htparam,
1045                             IEEE80211_HTCAP_MAXRXAMPDU);
1046                 else
1047                         ireq->i_val = vap->iv_ampdu_limit;
1048                 break;
1049         case IEEE80211_IOC_AMPDU_DENSITY:
1050                 if (vap->iv_opmode == IEEE80211_M_STA &&
1051                     (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP))
1052                         /*
1053                          * XXX TODO: this isn't completely correct, as we've
1054                          * negotiated the higher of the two.
1055                          */
1056                         ireq->i_val = MS(vap->iv_bss->ni_htparam,
1057                             IEEE80211_HTCAP_MPDUDENSITY);
1058                 else
1059                         ireq->i_val = vap->iv_ampdu_density;
1060                 break;
1061         case IEEE80211_IOC_AMSDU:
1062                 ireq->i_val = 0;
1063                 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
1064                         ireq->i_val |= 1;
1065                 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX)
1066                         ireq->i_val |= 2;
1067                 break;
1068         case IEEE80211_IOC_AMSDU_LIMIT:
1069                 ireq->i_val = vap->iv_amsdu_limit;      /* XXX truncation? */
1070                 break;
1071         case IEEE80211_IOC_PUREN:
1072                 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0;
1073                 break;
1074         case IEEE80211_IOC_DOTH:
1075                 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0;
1076                 break;
1077         case IEEE80211_IOC_REGDOMAIN:
1078                 error = ieee80211_ioctl_getregdomain(vap, ireq);
1079                 break;
1080         case IEEE80211_IOC_ROAM:
1081                 error = ieee80211_ioctl_getroam(vap, ireq);
1082                 break;
1083         case IEEE80211_IOC_TXPARAMS:
1084                 error = ieee80211_ioctl_gettxparams(vap, ireq);
1085                 break;
1086         case IEEE80211_IOC_HTCOMPAT:
1087                 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0;
1088                 break;
1089         case IEEE80211_IOC_DWDS:
1090                 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0;
1091                 break;
1092         case IEEE80211_IOC_INACTIVITY:
1093                 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0;
1094                 break;
1095         case IEEE80211_IOC_APPIE:
1096                 error = ieee80211_ioctl_getappie(vap, ireq);
1097                 break;
1098         case IEEE80211_IOC_WPS:
1099                 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0;
1100                 break;
1101         case IEEE80211_IOC_TSN:
1102                 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0;
1103                 break;
1104         case IEEE80211_IOC_DFS:
1105                 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0;
1106                 break;
1107         case IEEE80211_IOC_DOTD:
1108                 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0;
1109                 break;
1110         case IEEE80211_IOC_DEVCAPS:
1111                 error = ieee80211_ioctl_getdevcaps(ic, ireq);
1112                 break;
1113         case IEEE80211_IOC_HTPROTMODE:
1114                 ireq->i_val = ic->ic_htprotmode;
1115                 break;
1116         case IEEE80211_IOC_HTCONF:
1117                 if (vap->iv_flags_ht & IEEE80211_FHT_HT) {
1118                         ireq->i_val = 1;
1119                         if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40)
1120                                 ireq->i_val |= 2;
1121                 } else
1122                         ireq->i_val = 0;
1123                 break;
1124         case IEEE80211_IOC_STA_VLAN:
1125                 error = ieee80211_ioctl_getstavlan(vap, ireq);
1126                 break;
1127         case IEEE80211_IOC_SMPS:
1128                 if (vap->iv_opmode == IEEE80211_M_STA &&
1129                     (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) {
1130                         if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS)
1131                                 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC;
1132                         else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS)
1133                                 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA;
1134                         else
1135                                 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF;
1136                 } else
1137                         ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS;
1138                 break;
1139         case IEEE80211_IOC_RIFS:
1140                 if (vap->iv_opmode == IEEE80211_M_STA &&
1141                     (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP))
1142                         ireq->i_val =
1143                             (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0;
1144                 else
1145                         ireq->i_val =
1146                             (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0;
1147                 break;
1148         case IEEE80211_IOC_STBC:
1149                 ireq->i_val = 0;
1150                 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX)
1151                         ireq->i_val |= 1;
1152                 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX)
1153                         ireq->i_val |= 2;
1154                 break;
1155         default:
1156                 error = ieee80211_ioctl_getdefault(vap, ireq);
1157                 break;
1158         }
1159         return error;
1160 #undef MS
1161 }
1162
1163 static int
1164 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1165 {
1166         struct ieee80211req_key ik;
1167         struct ieee80211_node *ni;
1168         struct ieee80211_key *wk;
1169         uint16_t kid;
1170         int error, i;
1171
1172         if (ireq->i_len != sizeof(ik))
1173                 return EINVAL;
1174         error = copyin(ireq->i_data, &ik, sizeof(ik));
1175         if (error)
1176                 return error;
1177         /* NB: cipher support is verified by ieee80211_crypt_newkey */
1178         /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */
1179         if (ik.ik_keylen > sizeof(ik.ik_keydata))
1180                 return E2BIG;
1181         kid = ik.ik_keyix;
1182         if (kid == IEEE80211_KEYIX_NONE) {
1183                 /* XXX unicast keys currently must be tx/rx */
1184                 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))
1185                         return EINVAL;
1186                 if (vap->iv_opmode == IEEE80211_M_STA) {
1187                         ni = ieee80211_ref_node(vap->iv_bss);
1188                         if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) {
1189                                 ieee80211_free_node(ni);
1190                                 return EADDRNOTAVAIL;
1191                         }
1192                 } else {
1193                         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1194                                 ik.ik_macaddr);
1195                         if (ni == NULL)
1196                                 return ENOENT;
1197                 }
1198                 wk = &ni->ni_ucastkey;
1199         } else {
1200                 if (kid >= IEEE80211_WEP_NKID)
1201                         return EINVAL;
1202                 wk = &vap->iv_nw_keys[kid];
1203                 /*
1204                  * Global slots start off w/o any assigned key index.
1205                  * Force one here for consistency with IEEE80211_IOC_WEPKEY.
1206                  */
1207                 if (wk->wk_keyix == IEEE80211_KEYIX_NONE)
1208                         wk->wk_keyix = kid;
1209                 ni = NULL;
1210         }
1211         error = 0;
1212         ieee80211_key_update_begin(vap);
1213         if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) {
1214                 wk->wk_keylen = ik.ik_keylen;
1215                 /* NB: MIC presence is implied by cipher type */
1216                 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE)
1217                         wk->wk_keylen = IEEE80211_KEYBUF_SIZE;
1218                 for (i = 0; i < IEEE80211_TID_SIZE; i++)
1219                         wk->wk_keyrsc[i] = ik.ik_keyrsc;
1220                 wk->wk_keytsc = 0;                      /* new key, reset */
1221                 memset(wk->wk_key, 0, sizeof(wk->wk_key));
1222                 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen);
1223                 IEEE80211_ADDR_COPY(wk->wk_macaddr,
1224                     ni != NULL ?  ni->ni_macaddr : ik.ik_macaddr);
1225                 if (!ieee80211_crypto_setkey(vap, wk))
1226                         error = EIO;
1227                 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT))
1228                         vap->iv_def_txkey = kid;
1229         } else
1230                 error = ENXIO;
1231         ieee80211_key_update_end(vap);
1232         if (ni != NULL)
1233                 ieee80211_free_node(ni);
1234         return error;
1235 }
1236
1237 static int
1238 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1239 {
1240         struct ieee80211req_del_key dk;
1241         int kid, error;
1242
1243         if (ireq->i_len != sizeof(dk))
1244                 return EINVAL;
1245         error = copyin(ireq->i_data, &dk, sizeof(dk));
1246         if (error)
1247                 return error;
1248         kid = dk.idk_keyix;
1249         /* XXX uint8_t -> uint16_t */
1250         if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) {
1251                 struct ieee80211_node *ni;
1252
1253                 if (vap->iv_opmode == IEEE80211_M_STA) {
1254                         ni = ieee80211_ref_node(vap->iv_bss);
1255                         if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) {
1256                                 ieee80211_free_node(ni);
1257                                 return EADDRNOTAVAIL;
1258                         }
1259                 } else {
1260                         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1261                                 dk.idk_macaddr);
1262                         if (ni == NULL)
1263                                 return ENOENT;
1264                 }
1265                 /* XXX error return */
1266                 ieee80211_node_delucastkey(ni);
1267                 ieee80211_free_node(ni);
1268         } else {
1269                 if (kid >= IEEE80211_WEP_NKID)
1270                         return EINVAL;
1271                 /* XXX error return */
1272                 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]);
1273         }
1274         return 0;
1275 }
1276
1277 struct mlmeop {
1278         struct ieee80211vap *vap;
1279         int     op;
1280         int     reason;
1281 };
1282
1283 static void
1284 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1285         int op, int reason)
1286 {
1287 #ifdef IEEE80211_DEBUG
1288         static const struct {
1289                 int mask;
1290                 const char *opstr;
1291         } ops[] = {
1292                 { 0, "op#0" },
1293                 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1294                   IEEE80211_MSG_ASSOC, "assoc" },
1295                 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1296                   IEEE80211_MSG_ASSOC, "disassoc" },
1297                 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1298                   IEEE80211_MSG_AUTH, "deauth" },
1299                 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1300                   IEEE80211_MSG_AUTH, "authorize" },
1301                 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1302                   IEEE80211_MSG_AUTH, "unauthorize" },
1303         };
1304
1305         if (op == IEEE80211_MLME_AUTH) {
1306                 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL |
1307                     IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac,
1308                     "station authenticate %s via MLME (reason: %d (%s))",
1309                     reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT",
1310                     reason, ieee80211_reason_to_string(reason));
1311         } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) {
1312                 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac,
1313                     "unknown MLME request %d (reason: %d (%s))", op, reason,
1314                     ieee80211_reason_to_string(reason));
1315         } else if (reason == IEEE80211_STATUS_SUCCESS) {
1316                 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1317                     "station %s via MLME", ops[op].opstr);
1318         } else {
1319                 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1320                     "station %s via MLME (reason: %d (%s))", ops[op].opstr,
1321                     reason, ieee80211_reason_to_string(reason));
1322         }
1323 #endif /* IEEE80211_DEBUG */
1324 }
1325
1326 static void
1327 domlme(void *arg, struct ieee80211_node *ni)
1328 {
1329         struct mlmeop *mop = arg;
1330         struct ieee80211vap *vap = ni->ni_vap;
1331
1332         if (vap != mop->vap)
1333                 return;
1334         /*
1335          * NB: if ni_associd is zero then the node is already cleaned
1336          * up and we don't need to do this (we're safely holding a
1337          * reference but should otherwise not modify it's state).
1338          */
1339         if (ni->ni_associd == 0)
1340                 return;
1341         mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason);
1342         if (mop->op == IEEE80211_MLME_DEAUTH) {
1343                 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
1344                     mop->reason);
1345         } else {
1346                 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC,
1347                     mop->reason);
1348         }
1349         ieee80211_node_leave(ni);
1350 }
1351
1352 static int
1353 setmlme_dropsta(struct ieee80211vap *vap,
1354         const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop)
1355 {
1356         struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta;
1357         struct ieee80211_node *ni;
1358         int error = 0;
1359
1360         /* NB: the broadcast address means do 'em all */
1361         if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) {
1362                 IEEE80211_NODE_LOCK(nt);
1363                 ni = ieee80211_find_node_locked(nt, mac);
1364                 IEEE80211_NODE_UNLOCK(nt);
1365                 /*
1366                  * Don't do the node update inside the node
1367                  * table lock.  This unfortunately causes LORs
1368                  * with drivers and their TX paths.
1369                  */
1370                 if (ni != NULL) {
1371                         domlme(mlmeop, ni);
1372                         ieee80211_free_node(ni);
1373                 } else
1374                         error = ENOENT;
1375         } else {
1376                 ieee80211_iterate_nodes(nt, domlme, mlmeop);
1377         }
1378         return error;
1379 }
1380
1381 static int
1382 setmlme_common(struct ieee80211vap *vap, int op,
1383         const uint8_t mac[IEEE80211_ADDR_LEN], int reason)
1384 {
1385         struct ieee80211com *ic = vap->iv_ic;
1386         struct ieee80211_node_table *nt = &ic->ic_sta;
1387         struct ieee80211_node *ni;
1388         struct mlmeop mlmeop;
1389         int error;
1390
1391         error = 0;
1392         switch (op) {
1393         case IEEE80211_MLME_DISASSOC:
1394         case IEEE80211_MLME_DEAUTH:
1395                 switch (vap->iv_opmode) {
1396                 case IEEE80211_M_STA:
1397                         mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1398                         /* XXX not quite right */
1399                         ieee80211_new_state(vap, IEEE80211_S_INIT, reason);
1400                         break;
1401                 case IEEE80211_M_HOSTAP:
1402                         mlmeop.vap = vap;
1403                         mlmeop.op = op;
1404                         mlmeop.reason = reason;
1405                         error = setmlme_dropsta(vap, mac, &mlmeop);
1406                         break;
1407                 case IEEE80211_M_WDS:
1408                         /* XXX user app should send raw frame? */
1409                         if (op != IEEE80211_MLME_DEAUTH) {
1410                                 error = EINVAL;
1411                                 break;
1412                         }
1413 #if 0
1414                         /* XXX accept any address, simplifies user code */
1415                         if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) {
1416                                 error = EINVAL;
1417                                 break;
1418                         }
1419 #endif
1420                         mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1421                         ni = ieee80211_ref_node(vap->iv_bss);
1422                         IEEE80211_SEND_MGMT(ni,
1423                             IEEE80211_FC0_SUBTYPE_DEAUTH, reason);
1424                         ieee80211_free_node(ni);
1425                         break;
1426                 case IEEE80211_M_MBSS:
1427                         IEEE80211_NODE_LOCK(nt);
1428                         ni = ieee80211_find_node_locked(nt, mac);
1429                         /*
1430                          * Don't do the node update inside the node
1431                          * table lock.  This unfortunately causes LORs
1432                          * with drivers and their TX paths.
1433                          */
1434                         IEEE80211_NODE_UNLOCK(nt);
1435                         if (ni != NULL) {
1436                                 ieee80211_node_leave(ni);
1437                                 ieee80211_free_node(ni);
1438                         } else {
1439                                 error = ENOENT;
1440                         }
1441                         break;
1442                 default:
1443                         error = EINVAL;
1444                         break;
1445                 }
1446                 break;
1447         case IEEE80211_MLME_AUTHORIZE:
1448         case IEEE80211_MLME_UNAUTHORIZE:
1449                 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
1450                     vap->iv_opmode != IEEE80211_M_WDS) {
1451                         error = EINVAL;
1452                         break;
1453                 }
1454                 IEEE80211_NODE_LOCK(nt);
1455                 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1456                 /*
1457                  * Don't do the node update inside the node
1458                  * table lock.  This unfortunately causes LORs
1459                  * with drivers and their TX paths.
1460                  */
1461                 IEEE80211_NODE_UNLOCK(nt);
1462                 if (ni != NULL) {
1463                         mlmedebug(vap, mac, op, reason);
1464                         if (op == IEEE80211_MLME_AUTHORIZE)
1465                                 ieee80211_node_authorize(ni);
1466                         else
1467                                 ieee80211_node_unauthorize(ni);
1468                         ieee80211_free_node(ni);
1469                 } else
1470                         error = ENOENT;
1471                 break;
1472         case IEEE80211_MLME_AUTH:
1473                 if (vap->iv_opmode != IEEE80211_M_HOSTAP) {
1474                         error = EINVAL;
1475                         break;
1476                 }
1477                 IEEE80211_NODE_LOCK(nt);
1478                 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1479                 /*
1480                  * Don't do the node update inside the node
1481                  * table lock.  This unfortunately causes LORs
1482                  * with drivers and their TX paths.
1483                  */
1484                 IEEE80211_NODE_UNLOCK(nt);
1485                 if (ni != NULL) {
1486                         mlmedebug(vap, mac, op, reason);
1487                         if (reason == IEEE80211_STATUS_SUCCESS) {
1488                                 IEEE80211_SEND_MGMT(ni,
1489                                     IEEE80211_FC0_SUBTYPE_AUTH, 2);
1490                                 /*
1491                                  * For shared key auth, just continue the
1492                                  * exchange.  Otherwise when 802.1x is not in
1493                                  * use mark the port authorized at this point
1494                                  * so traffic can flow.
1495                                  */
1496                                 if (ni->ni_authmode != IEEE80211_AUTH_8021X &&
1497                                     ni->ni_challenge == NULL)
1498                                       ieee80211_node_authorize(ni);
1499                         } else {
1500                                 vap->iv_stats.is_rx_acl++;
1501                                 ieee80211_send_error(ni, ni->ni_macaddr,
1502                                     IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16));
1503                                 ieee80211_node_leave(ni);
1504                         }
1505                         ieee80211_free_node(ni);
1506                 } else
1507                         error = ENOENT;
1508                 break;
1509         default:
1510                 error = EINVAL;
1511                 break;
1512         }
1513         return error;
1514 }
1515
1516 struct scanlookup {
1517         const uint8_t *mac;
1518         int esslen;
1519         const uint8_t *essid;
1520         const struct ieee80211_scan_entry *se;
1521 };
1522
1523 /*
1524  * Match mac address and any ssid.
1525  */
1526 static void
1527 mlmelookup(void *arg, const struct ieee80211_scan_entry *se)
1528 {
1529         struct scanlookup *look = arg;
1530
1531         if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr))
1532                 return;
1533         if (look->esslen != 0) {
1534                 if (se->se_ssid[1] != look->esslen)
1535                         return;
1536                 if (memcmp(look->essid, se->se_ssid+2, look->esslen))
1537                         return;
1538         }
1539         look->se = se;
1540 }
1541
1542 static int
1543 setmlme_assoc_sta(struct ieee80211vap *vap,
1544         const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1545         const uint8_t ssid[IEEE80211_NWID_LEN])
1546 {
1547         struct scanlookup lookup;
1548
1549         KASSERT(vap->iv_opmode == IEEE80211_M_STA,
1550             ("expected opmode STA not %s",
1551             ieee80211_opmode_name[vap->iv_opmode]));
1552
1553         /* NB: this is racey if roaming is !manual */
1554         lookup.se = NULL;
1555         lookup.mac = mac;
1556         lookup.esslen = ssid_len;
1557         lookup.essid = ssid;
1558         ieee80211_scan_iterate(vap, mlmelookup, &lookup);
1559         if (lookup.se == NULL)
1560                 return ENOENT;
1561         mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0);
1562         if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se))
1563                 return EIO;             /* XXX unique but could be better */
1564         return 0;
1565 }
1566
1567 static int
1568 setmlme_assoc_adhoc(struct ieee80211vap *vap,
1569         const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1570         const uint8_t ssid[IEEE80211_NWID_LEN])
1571 {
1572         struct ieee80211_scan_req *sr;
1573         int error;
1574
1575         KASSERT(vap->iv_opmode == IEEE80211_M_IBSS ||
1576             vap->iv_opmode == IEEE80211_M_AHDEMO,
1577             ("expected opmode IBSS or AHDEMO not %s",
1578             ieee80211_opmode_name[vap->iv_opmode]));
1579
1580         if (ssid_len == 0)
1581                 return EINVAL;
1582
1583 #if defined(__DragonFly__)
1584         sr = kmalloc(sizeof(*sr), M_TEMP, M_INTWAIT | M_ZERO);
1585 #else
1586         sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP,
1587              IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
1588 #endif
1589         if (sr == NULL)
1590                 return ENOMEM;
1591
1592         /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */
1593         memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
1594         vap->iv_des_ssid[0].len = ssid_len;
1595         memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len);
1596         vap->iv_des_nssid = 1;
1597
1598         sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE;
1599         sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER;
1600         memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len);
1601         sr->sr_ssid[0].len = ssid_len;
1602         sr->sr_nssid = 1;
1603
1604         error = ieee80211_scanreq(vap, sr);
1605
1606         IEEE80211_FREE(sr, M_TEMP);
1607         return error;
1608 }
1609
1610 static int
1611 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq)
1612 {
1613         struct ieee80211req_mlme mlme;
1614         int error;
1615
1616         if (ireq->i_len != sizeof(mlme))
1617                 return EINVAL;
1618         error = copyin(ireq->i_data, &mlme, sizeof(mlme));
1619         if (error)
1620                 return error;
1621         if  (vap->iv_opmode == IEEE80211_M_STA &&
1622             mlme.im_op == IEEE80211_MLME_ASSOC)
1623                 return setmlme_assoc_sta(vap, mlme.im_macaddr,
1624                     vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
1625         else if ((vap->iv_opmode == IEEE80211_M_IBSS ||
1626             vap->iv_opmode == IEEE80211_M_AHDEMO) &&
1627             mlme.im_op == IEEE80211_MLME_ASSOC)
1628                 return setmlme_assoc_adhoc(vap, mlme.im_macaddr,
1629                     mlme.im_ssid_len, mlme.im_ssid);
1630         else
1631                 return setmlme_common(vap, mlme.im_op,
1632                     mlme.im_macaddr, mlme.im_reason);
1633 }
1634
1635 static int
1636 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq)
1637 {
1638         uint8_t mac[IEEE80211_ADDR_LEN];
1639         const struct ieee80211_aclator *acl = vap->iv_acl;
1640         int error;
1641
1642         if (ireq->i_len != sizeof(mac))
1643                 return EINVAL;
1644         error = copyin(ireq->i_data, mac, ireq->i_len);
1645         if (error)
1646                 return error;
1647         if (acl == NULL) {
1648                 acl = ieee80211_aclator_get("mac");
1649                 if (acl == NULL || !acl->iac_attach(vap))
1650                         return EINVAL;
1651                 vap->iv_acl = acl;
1652         }
1653         if (ireq->i_type == IEEE80211_IOC_ADDMAC)
1654                 acl->iac_add(vap, mac);
1655         else
1656                 acl->iac_remove(vap, mac);
1657         return 0;
1658 }
1659
1660 static int
1661 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
1662 {
1663         const struct ieee80211_aclator *acl = vap->iv_acl;
1664
1665         switch (ireq->i_val) {
1666         case IEEE80211_MACCMD_POLICY_OPEN:
1667         case IEEE80211_MACCMD_POLICY_ALLOW:
1668         case IEEE80211_MACCMD_POLICY_DENY:
1669         case IEEE80211_MACCMD_POLICY_RADIUS:
1670                 if (acl == NULL) {
1671                         acl = ieee80211_aclator_get("mac");
1672                         if (acl == NULL || !acl->iac_attach(vap))
1673                                 return EINVAL;
1674                         vap->iv_acl = acl;
1675                 }
1676                 acl->iac_setpolicy(vap, ireq->i_val);
1677                 break;
1678         case IEEE80211_MACCMD_FLUSH:
1679                 if (acl != NULL)
1680                         acl->iac_flush(vap);
1681                 /* NB: silently ignore when not in use */
1682                 break;
1683         case IEEE80211_MACCMD_DETACH:
1684                 if (acl != NULL) {
1685                         vap->iv_acl = NULL;
1686                         acl->iac_detach(vap);
1687                 }
1688                 break;
1689         default:
1690                 if (acl == NULL)
1691                         return EINVAL;
1692                 else
1693                         return acl->iac_setioctl(vap, ireq);
1694         }
1695         return 0;
1696 }
1697
1698 static int
1699 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
1700 {
1701         struct ieee80211com *ic = vap->iv_ic;
1702         uint8_t *chanlist, *list;
1703         int i, nchan, maxchan, error;
1704
1705         if (ireq->i_len > sizeof(ic->ic_chan_active))
1706                 ireq->i_len = sizeof(ic->ic_chan_active);
1707 #if defined(__DragonFly__)
1708         list = kmalloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP,
1709             M_INTWAIT | M_ZERO);
1710 #else
1711         list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP,
1712             IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
1713 #endif
1714         if (list == NULL)
1715                 return ENOMEM;
1716         error = copyin(ireq->i_data, list, ireq->i_len);
1717         if (error) {
1718                 IEEE80211_FREE(list, M_TEMP);
1719                 return error;
1720         }
1721         nchan = 0;
1722         chanlist = list + ireq->i_len;          /* NB: zero'd already */
1723         maxchan = ireq->i_len * NBBY;
1724         for (i = 0; i < ic->ic_nchans; i++) {
1725                 const struct ieee80211_channel *c = &ic->ic_channels[i];
1726                 /*
1727                  * Calculate the intersection of the user list and the
1728                  * available channels so users can do things like specify
1729                  * 1-255 to get all available channels.
1730                  */
1731                 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) {
1732                         setbit(chanlist, c->ic_ieee);
1733                         nchan++;
1734                 }
1735         }
1736         if (nchan == 0) {
1737                 IEEE80211_FREE(list, M_TEMP);
1738                 return EINVAL;
1739         }
1740         if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&    /* XXX */
1741             isclr(chanlist, ic->ic_bsschan->ic_ieee))
1742                 ic->ic_bsschan = IEEE80211_CHAN_ANYC;
1743         memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES);
1744         ieee80211_scan_flush(vap);
1745         IEEE80211_FREE(list, M_TEMP);
1746         return ENETRESET;
1747 }
1748
1749 static int
1750 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
1751 {
1752         struct ieee80211_node *ni;
1753         uint8_t macaddr[IEEE80211_ADDR_LEN];
1754         int error;
1755
1756         /*
1757          * NB: we could copyin ieee80211req_sta_stats so apps
1758          *     could make selective changes but that's overkill;
1759          *     just clear all stats for now.
1760          */
1761         if (ireq->i_len < IEEE80211_ADDR_LEN)
1762                 return EINVAL;
1763         error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
1764         if (error != 0)
1765                 return error;
1766         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
1767         if (ni == NULL)
1768                 return ENOENT;
1769         /* XXX require ni_vap == vap? */
1770         memset(&ni->ni_stats, 0, sizeof(ni->ni_stats));
1771         ieee80211_free_node(ni);
1772         return 0;
1773 }
1774
1775 static int
1776 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
1777 {
1778         struct ieee80211_node *ni;
1779         struct ieee80211req_sta_txpow txpow;
1780         int error;
1781
1782         if (ireq->i_len != sizeof(txpow))
1783                 return EINVAL;
1784         error = copyin(ireq->i_data, &txpow, sizeof(txpow));
1785         if (error != 0)
1786                 return error;
1787         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
1788         if (ni == NULL)
1789                 return ENOENT;
1790         ni->ni_txpower = txpow.it_txpow;
1791         ieee80211_free_node(ni);
1792         return error;
1793 }
1794
1795 static int
1796 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
1797 {
1798         struct ieee80211com *ic = vap->iv_ic;
1799         struct ieee80211_wme_state *wme = &ic->ic_wme;
1800         struct wmeParams *wmep, *chanp;
1801         int isbss, ac, aggrmode;
1802
1803         if ((ic->ic_caps & IEEE80211_C_WME) == 0)
1804                 return EOPNOTSUPP;
1805
1806         isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS);
1807         ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
1808         aggrmode = (wme->wme_flags & WME_F_AGGRMODE);
1809         if (ac >= WME_NUM_AC)
1810                 ac = WME_AC_BE;
1811         if (isbss) {
1812                 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac];
1813                 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1814         } else {
1815                 chanp = &wme->wme_chanParams.cap_wmeParams[ac];
1816                 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1817         }
1818         switch (ireq->i_type) {
1819         case IEEE80211_IOC_WME_CWMIN:           /* WME: CWmin */
1820                 wmep->wmep_logcwmin = ireq->i_val;
1821                 if (!isbss || !aggrmode)
1822                         chanp->wmep_logcwmin = ireq->i_val;
1823                 break;
1824         case IEEE80211_IOC_WME_CWMAX:           /* WME: CWmax */
1825                 wmep->wmep_logcwmax = ireq->i_val;
1826                 if (!isbss || !aggrmode)
1827                         chanp->wmep_logcwmax = ireq->i_val;
1828                 break;
1829         case IEEE80211_IOC_WME_AIFS:            /* WME: AIFS */
1830                 wmep->wmep_aifsn = ireq->i_val;
1831                 if (!isbss || !aggrmode)
1832                         chanp->wmep_aifsn = ireq->i_val;
1833                 break;
1834         case IEEE80211_IOC_WME_TXOPLIMIT:       /* WME: txops limit */
1835                 wmep->wmep_txopLimit = ireq->i_val;
1836                 if (!isbss || !aggrmode)
1837                         chanp->wmep_txopLimit = ireq->i_val;
1838                 break;
1839         case IEEE80211_IOC_WME_ACM:             /* WME: ACM (bss only) */
1840                 wmep->wmep_acm = ireq->i_val;
1841                 if (!aggrmode)
1842                         chanp->wmep_acm = ireq->i_val;
1843                 break;
1844         case IEEE80211_IOC_WME_ACKPOLICY:       /* WME: ACK policy (!bss only)*/
1845                 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy =
1846                         (ireq->i_val) == 0;
1847                 break;
1848         }
1849         ieee80211_wme_updateparams(vap);
1850         return 0;
1851 }
1852
1853 static int
1854 find11gchannel(struct ieee80211com *ic, int start, int freq)
1855 {
1856         const struct ieee80211_channel *c;
1857         int i;
1858
1859         for (i = start+1; i < ic->ic_nchans; i++) {
1860                 c = &ic->ic_channels[i];
1861                 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1862                         return 1;
1863         }
1864         /* NB: should not be needed but in case things are mis-sorted */
1865         for (i = 0; i < start; i++) {
1866                 c = &ic->ic_channels[i];
1867                 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1868                         return 1;
1869         }
1870         return 0;
1871 }
1872
1873 static struct ieee80211_channel *
1874 findchannel(struct ieee80211com *ic, int ieee, int mode)
1875 {
1876         static const u_int chanflags[IEEE80211_MODE_MAX] = {
1877             [IEEE80211_MODE_AUTO]       = 0,
1878             [IEEE80211_MODE_11A]        = IEEE80211_CHAN_A,
1879             [IEEE80211_MODE_11B]        = IEEE80211_CHAN_B,
1880             [IEEE80211_MODE_11G]        = IEEE80211_CHAN_G,
1881             [IEEE80211_MODE_FH]         = IEEE80211_CHAN_FHSS,
1882             [IEEE80211_MODE_TURBO_A]    = IEEE80211_CHAN_108A,
1883             [IEEE80211_MODE_TURBO_G]    = IEEE80211_CHAN_108G,
1884             [IEEE80211_MODE_STURBO_A]   = IEEE80211_CHAN_STURBO,
1885             [IEEE80211_MODE_HALF]       = IEEE80211_CHAN_HALF,
1886             [IEEE80211_MODE_QUARTER]    = IEEE80211_CHAN_QUARTER,
1887             /* NB: handled specially below */
1888             [IEEE80211_MODE_11NA]       = IEEE80211_CHAN_A,
1889             [IEEE80211_MODE_11NG]       = IEEE80211_CHAN_G,
1890         };
1891         u_int modeflags;
1892         int i;
1893
1894         modeflags = chanflags[mode];
1895         for (i = 0; i < ic->ic_nchans; i++) {
1896                 struct ieee80211_channel *c = &ic->ic_channels[i];
1897
1898                 if (c->ic_ieee != ieee)
1899                         continue;
1900                 if (mode == IEEE80211_MODE_AUTO) {
1901                         /* ignore turbo channels for autoselect */
1902                         if (IEEE80211_IS_CHAN_TURBO(c))
1903                                 continue;
1904                         /*
1905                          * XXX special-case 11b/g channels so we
1906                          *     always select the g channel if both
1907                          *     are present.
1908                          * XXX prefer HT to non-HT?
1909                          */
1910                         if (!IEEE80211_IS_CHAN_B(c) ||
1911                             !find11gchannel(ic, i, c->ic_freq))
1912                                 return c;
1913                 } else {
1914                         /* must check HT specially */
1915                         if ((mode == IEEE80211_MODE_11NA ||
1916                             mode == IEEE80211_MODE_11NG) &&
1917                             !IEEE80211_IS_CHAN_HT(c))
1918                                 continue;
1919                         if ((c->ic_flags & modeflags) == modeflags)
1920                                 return c;
1921                 }
1922         }
1923         return NULL;
1924 }
1925
1926 /*
1927  * Check the specified against any desired mode (aka netband).
1928  * This is only used (presently) when operating in hostap mode
1929  * to enforce consistency.
1930  */
1931 static int
1932 check_mode_consistency(const struct ieee80211_channel *c, int mode)
1933 {
1934         KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel"));
1935
1936         switch (mode) {
1937         case IEEE80211_MODE_11B:
1938                 return (IEEE80211_IS_CHAN_B(c));
1939         case IEEE80211_MODE_11G:
1940                 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c));
1941         case IEEE80211_MODE_11A:
1942                 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c));
1943         case IEEE80211_MODE_STURBO_A:
1944                 return (IEEE80211_IS_CHAN_STURBO(c));
1945         case IEEE80211_MODE_11NA:
1946                 return (IEEE80211_IS_CHAN_HTA(c));
1947         case IEEE80211_MODE_11NG:
1948                 return (IEEE80211_IS_CHAN_HTG(c));
1949         }
1950         return 1;
1951
1952 }
1953
1954 /*
1955  * Common code to set the current channel.  If the device
1956  * is up and running this may result in an immediate channel
1957  * change or a kick of the state machine.
1958  */
1959 static int
1960 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c)
1961 {
1962         struct ieee80211com *ic = vap->iv_ic;
1963         int error;
1964
1965         if (c != IEEE80211_CHAN_ANYC) {
1966                 if (IEEE80211_IS_CHAN_RADAR(c))
1967                         return EBUSY;   /* XXX better code? */
1968                 if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
1969                         if (IEEE80211_IS_CHAN_NOHOSTAP(c))
1970                                 return EINVAL;
1971                         if (!check_mode_consistency(c, vap->iv_des_mode))
1972                                 return EINVAL;
1973                 } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
1974                         if (IEEE80211_IS_CHAN_NOADHOC(c))
1975                                 return EINVAL;
1976                 }
1977                 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) &&
1978                     vap->iv_bss->ni_chan == c)
1979                         return 0;       /* NB: nothing to do */
1980         }
1981         vap->iv_des_chan = c;
1982
1983         error = 0;
1984         if (vap->iv_opmode == IEEE80211_M_MONITOR &&
1985             vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1986                 /*
1987                  * Monitor mode can switch directly.
1988                  */
1989                 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) {
1990                         /* XXX need state machine for other vap's to follow */
1991                         ieee80211_setcurchan(ic, vap->iv_des_chan);
1992                         vap->iv_bss->ni_chan = ic->ic_curchan;
1993                 } else
1994                         ic->ic_curchan = vap->iv_des_chan;
1995                         ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
1996         } else {
1997                 /*
1998                  * Need to go through the state machine in case we
1999                  * need to reassociate or the like.  The state machine
2000                  * will pickup the desired channel and avoid scanning.
2001                  */
2002                 if (IS_UP_AUTO(vap))
2003                         ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2004                 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
2005                         /*
2006                          * When not up+running and a real channel has
2007                          * been specified fix the current channel so
2008                          * there is immediate feedback; e.g. via ifconfig.
2009                          */
2010                         ic->ic_curchan = vap->iv_des_chan;
2011                         ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
2012                 }
2013         }
2014         return error;
2015 }
2016
2017 /*
2018  * Old api for setting the current channel; this is
2019  * deprecated because channel numbers are ambiguous.
2020  */
2021 static int
2022 ieee80211_ioctl_setchannel(struct ieee80211vap *vap,
2023         const struct ieee80211req *ireq)
2024 {
2025         struct ieee80211com *ic = vap->iv_ic;
2026         struct ieee80211_channel *c;
2027
2028         /* XXX 0xffff overflows 16-bit signed */
2029         if (ireq->i_val == 0 ||
2030             ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) {
2031                 c = IEEE80211_CHAN_ANYC;
2032         } else {
2033                 struct ieee80211_channel *c2;
2034
2035                 c = findchannel(ic, ireq->i_val, vap->iv_des_mode);
2036                 if (c == NULL) {
2037                         c = findchannel(ic, ireq->i_val,
2038                                 IEEE80211_MODE_AUTO);
2039                         if (c == NULL)
2040                                 return EINVAL;
2041                 }
2042                 /*
2043                  * Fine tune channel selection based on desired mode:
2044                  *   if 11b is requested, find the 11b version of any
2045                  *      11g channel returned,
2046                  *   if static turbo, find the turbo version of any
2047                  *      11a channel return,
2048                  *   if 11na is requested, find the ht version of any
2049                  *      11a channel returned,
2050                  *   if 11ng is requested, find the ht version of any
2051                  *      11g channel returned,
2052                  *   otherwise we should be ok with what we've got.
2053                  */
2054                 switch (vap->iv_des_mode) {
2055                 case IEEE80211_MODE_11B:
2056                         if (IEEE80211_IS_CHAN_ANYG(c)) {
2057                                 c2 = findchannel(ic, ireq->i_val,
2058                                         IEEE80211_MODE_11B);
2059                                 /* NB: should not happen, =>'s 11g w/o 11b */
2060                                 if (c2 != NULL)
2061                                         c = c2;
2062                         }
2063                         break;
2064                 case IEEE80211_MODE_TURBO_A:
2065                         if (IEEE80211_IS_CHAN_A(c)) {
2066                                 c2 = findchannel(ic, ireq->i_val,
2067                                         IEEE80211_MODE_TURBO_A);
2068                                 if (c2 != NULL)
2069                                         c = c2;
2070                         }
2071                         break;
2072                 case IEEE80211_MODE_11NA:
2073                         if (IEEE80211_IS_CHAN_A(c)) {
2074                                 c2 = findchannel(ic, ireq->i_val,
2075                                         IEEE80211_MODE_11NA);
2076                                 if (c2 != NULL)
2077                                         c = c2;
2078                         }
2079                         break;
2080                 case IEEE80211_MODE_11NG:
2081                         if (IEEE80211_IS_CHAN_ANYG(c)) {
2082                                 c2 = findchannel(ic, ireq->i_val,
2083                                         IEEE80211_MODE_11NG);
2084                                 if (c2 != NULL)
2085                                         c = c2;
2086                         }
2087                         break;
2088                 default:                /* NB: no static turboG */
2089                         break;
2090                 }
2091         }
2092         return setcurchan(vap, c);
2093 }
2094
2095 /*
2096  * New/current api for setting the current channel; a complete
2097  * channel description is provide so there is no ambiguity in
2098  * identifying the channel.
2099  */
2100 static int
2101 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap,
2102         const struct ieee80211req *ireq)
2103 {
2104         struct ieee80211com *ic = vap->iv_ic;
2105         struct ieee80211_channel chan, *c;
2106         int error;
2107
2108         if (ireq->i_len != sizeof(chan))
2109                 return EINVAL;
2110         error = copyin(ireq->i_data, &chan, sizeof(chan));
2111         if (error != 0)
2112                 return error;
2113         /* XXX 0xffff overflows 16-bit signed */
2114         if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) {
2115                 c = IEEE80211_CHAN_ANYC;
2116         } else {
2117                 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags);
2118                 if (c == NULL)
2119                         return EINVAL;
2120         }
2121         return setcurchan(vap, c);
2122 }
2123
2124 static int
2125 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap,
2126         const struct ieee80211req *ireq)
2127 {
2128         struct ieee80211_regdomain_req *reg;
2129         int nchans, error;
2130
2131         nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) /
2132             sizeof(struct ieee80211_channel));
2133         if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) {
2134                 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2135                     "%s: bad # chans, i_len %d nchans %d\n", __func__,
2136                     ireq->i_len, nchans);
2137                 return EINVAL;
2138         }
2139 #if defined(__DragonFly__)
2140         reg = (struct ieee80211_regdomain_req *)
2141             kmalloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_INTWAIT);
2142 #else
2143         reg = (struct ieee80211_regdomain_req *)
2144             IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP,
2145                 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2146 #endif
2147         if (reg == NULL) {
2148                 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2149                     "%s: no memory, nchans %d\n", __func__, nchans);
2150                 return ENOMEM;
2151         }
2152         error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans));
2153         if (error == 0) {
2154                 /* NB: validate inline channel count against storage size */
2155                 if (reg->chaninfo.ic_nchans != nchans) {
2156                         IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2157                             "%s: chan cnt mismatch, %d != %d\n", __func__,
2158                                 reg->chaninfo.ic_nchans, nchans);
2159                         error = EINVAL;
2160                 } else
2161                         error = ieee80211_setregdomain(vap, reg);
2162         }
2163         IEEE80211_FREE(reg, M_TEMP);
2164
2165         return (error == 0 ? ENETRESET : error);
2166 }
2167
2168 static int
2169 ieee80211_ioctl_setroam(struct ieee80211vap *vap,
2170         const struct ieee80211req *ireq)
2171 {
2172         if (ireq->i_len != sizeof(vap->iv_roamparms))
2173                 return EINVAL;
2174         /* XXX validate params */
2175         /* XXX? ENETRESET to push to device? */
2176         return copyin(ireq->i_data, vap->iv_roamparms,
2177             sizeof(vap->iv_roamparms));
2178 }
2179
2180 static int
2181 checkrate(const struct ieee80211_rateset *rs, int rate)
2182 {
2183         int i;
2184
2185         if (rate == IEEE80211_FIXED_RATE_NONE)
2186                 return 1;
2187         for (i = 0; i < rs->rs_nrates; i++)
2188                 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate)
2189                         return 1;
2190         return 0;
2191 }
2192
2193 static int
2194 checkmcs(int mcs)
2195 {
2196         if (mcs == IEEE80211_FIXED_RATE_NONE)
2197                 return 1;
2198         if ((mcs & IEEE80211_RATE_MCS) == 0)    /* MCS always have 0x80 set */
2199                 return 0;
2200         return (mcs & 0x7f) <= 15;      /* XXX could search ht rate set */
2201 }
2202
2203 static int
2204 ieee80211_ioctl_settxparams(struct ieee80211vap *vap,
2205         const struct ieee80211req *ireq)
2206 {
2207         struct ieee80211com *ic = vap->iv_ic;
2208         struct ieee80211_txparams_req parms;    /* XXX stack use? */
2209         struct ieee80211_txparam *src, *dst;
2210         const struct ieee80211_rateset *rs;
2211         int error, mode, changed, is11n, nmodes;
2212
2213         /* NB: accept short requests for backwards compat */
2214         if (ireq->i_len > sizeof(parms))
2215                 return EINVAL;
2216         error = copyin(ireq->i_data, &parms, ireq->i_len);
2217         if (error != 0)
2218                 return error;
2219         nmodes = ireq->i_len / sizeof(struct ieee80211_txparam);
2220         changed = 0;
2221         /* validate parameters and check if anything changed */
2222         for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2223                 if (isclr(ic->ic_modecaps, mode))
2224                         continue;
2225                 src = &parms.params[mode];
2226                 dst = &vap->iv_txparms[mode];
2227                 rs = &ic->ic_sup_rates[mode];   /* NB: 11n maps to legacy */
2228                 is11n = (mode == IEEE80211_MODE_11NA ||
2229                          mode == IEEE80211_MODE_11NG);
2230                 if (src->ucastrate != dst->ucastrate) {
2231                         if (!checkrate(rs, src->ucastrate) &&
2232                             (!is11n || !checkmcs(src->ucastrate)))
2233                                 return EINVAL;
2234                         changed++;
2235                 }
2236                 if (src->mcastrate != dst->mcastrate) {
2237                         if (!checkrate(rs, src->mcastrate) &&
2238                             (!is11n || !checkmcs(src->mcastrate)))
2239                                 return EINVAL;
2240                         changed++;
2241                 }
2242                 if (src->mgmtrate != dst->mgmtrate) {
2243                         if (!checkrate(rs, src->mgmtrate) &&
2244                             (!is11n || !checkmcs(src->mgmtrate)))
2245                                 return EINVAL;
2246                         changed++;
2247                 }
2248                 if (src->maxretry != dst->maxretry)     /* NB: no bounds */
2249                         changed++;
2250         }
2251         if (changed) {
2252                 /*
2253                  * Copy new parameters in place and notify the
2254                  * driver so it can push state to the device.
2255                  */
2256                 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2257                         if (isset(ic->ic_modecaps, mode))
2258                                 vap->iv_txparms[mode] = parms.params[mode];
2259                 }
2260                 /* XXX could be more intelligent,
2261                    e.g. don't reset if setting not being used */
2262                 return ENETRESET;
2263         }
2264         return 0;
2265 }
2266
2267 /*
2268  * Application Information Element support.
2269  */
2270 static int
2271 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq)
2272 {
2273         struct ieee80211_appie *app = *aie;
2274         struct ieee80211_appie *napp;
2275         int error;
2276
2277         if (ireq->i_len == 0) {         /* delete any existing ie */
2278                 if (app != NULL) {
2279                         *aie = NULL;    /* XXX racey */
2280                         IEEE80211_FREE(app, M_80211_NODE_IE);
2281                 }
2282                 return 0;
2283         }
2284         if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE))
2285                 return EINVAL;
2286         /*
2287          * Allocate a new appie structure and copy in the user data.
2288          * When done swap in the new structure.  Note that we do not
2289          * guard against users holding a ref to the old structure;
2290          * this must be handled outside this code.
2291          *
2292          * XXX bad bad bad
2293          */
2294 #if defined(__DragonFly__)
2295         napp = (struct ieee80211_appie *) kmalloc(
2296             sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, M_INTWAIT);
2297 #else
2298         napp = (struct ieee80211_appie *) IEEE80211_MALLOC(
2299             sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE,
2300             IEEE80211_M_NOWAIT);
2301 #endif
2302         if (napp == NULL)
2303                 return ENOMEM;
2304         /* XXX holding ic lock */
2305         error = copyin(ireq->i_data, napp->ie_data, ireq->i_len);
2306         if (error) {
2307                 IEEE80211_FREE(napp, M_80211_NODE_IE);
2308                 return error;
2309         }
2310         napp->ie_len = ireq->i_len;
2311         *aie = napp;
2312         if (app != NULL)
2313                 IEEE80211_FREE(app, M_80211_NODE_IE);
2314         return 0;
2315 }
2316
2317 static void
2318 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space)
2319 {
2320         /* validate data is present as best we can */
2321         if (space == 0 || 2+ie[1] > space)
2322                 return;
2323         if (ie[0] == IEEE80211_ELEMID_VENDOR)
2324                 vap->iv_wpa_ie = ie;
2325         else if (ie[0] == IEEE80211_ELEMID_RSN)
2326                 vap->iv_rsn_ie = ie;
2327 }
2328
2329 static int
2330 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap,
2331         const struct ieee80211req *ireq, int fc0)
2332 {
2333         int error;
2334
2335         IEEE80211_LOCK_ASSERT(vap->iv_ic);
2336
2337         switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
2338         case IEEE80211_FC0_SUBTYPE_BEACON:
2339                 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2340                     vap->iv_opmode != IEEE80211_M_IBSS) {
2341                         error = EINVAL;
2342                         break;
2343                 }
2344                 error = setappie(&vap->iv_appie_beacon, ireq);
2345                 if (error == 0)
2346                         ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE);
2347                 break;
2348         case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
2349                 error = setappie(&vap->iv_appie_proberesp, ireq);
2350                 break;
2351         case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
2352                 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2353                         error = setappie(&vap->iv_appie_assocresp, ireq);
2354                 else
2355                         error = EINVAL;
2356                 break;
2357         case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
2358                 error = setappie(&vap->iv_appie_probereq, ireq);
2359                 break;
2360         case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
2361                 if (vap->iv_opmode == IEEE80211_M_STA)
2362                         error = setappie(&vap->iv_appie_assocreq, ireq);
2363                 else
2364                         error = EINVAL;
2365                 break;
2366         case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK):
2367                 error = setappie(&vap->iv_appie_wpa, ireq);
2368                 if (error == 0) {
2369                         /*
2370                          * Must split single blob of data into separate
2371                          * WPA and RSN ie's because they go in different
2372                          * locations in the mgt frames.
2373                          * XXX use IEEE80211_IOC_WPA2 so user code does split
2374                          */
2375                         vap->iv_wpa_ie = NULL;
2376                         vap->iv_rsn_ie = NULL;
2377                         if (vap->iv_appie_wpa != NULL) {
2378                                 struct ieee80211_appie *appie =
2379                                     vap->iv_appie_wpa;
2380                                 uint8_t *data = appie->ie_data;
2381
2382                                 /* XXX ie length validate is painful, cheat */
2383                                 setwparsnie(vap, data, appie->ie_len);
2384                                 setwparsnie(vap, data + 2 + data[1],
2385                                     appie->ie_len - (2 + data[1]));
2386                         }
2387                         if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2388                             vap->iv_opmode == IEEE80211_M_IBSS) {
2389                                 /*
2390                                  * Must rebuild beacon frame as the update
2391                                  * mechanism doesn't handle WPA/RSN ie's.
2392                                  * Could extend it but it doesn't normally
2393                                  * change; this is just to deal with hostapd
2394                                  * plumbing the ie after the interface is up.
2395                                  */
2396                                 error = ENETRESET;
2397                         }
2398                 }
2399                 break;
2400         default:
2401                 error = EINVAL;
2402                 break;
2403         }
2404         return error;
2405 }
2406
2407 static int
2408 ieee80211_ioctl_setappie(struct ieee80211vap *vap,
2409         const struct ieee80211req *ireq)
2410 {
2411         struct ieee80211com *ic = vap->iv_ic;
2412         int error;
2413         uint8_t fc0;
2414
2415         fc0 = ireq->i_val & 0xff;
2416         if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
2417                 return EINVAL;
2418         /* NB: could check iv_opmode and reject but hardly worth the effort */
2419         IEEE80211_LOCK(ic);
2420         error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0);
2421         IEEE80211_UNLOCK(ic);
2422         return error;
2423 }
2424
2425 static int
2426 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq)
2427 {
2428         struct ieee80211com *ic = vap->iv_ic;
2429         struct ieee80211_chanswitch_req csr;
2430         struct ieee80211_channel *c;
2431         int error;
2432
2433         if (ireq->i_len != sizeof(csr))
2434                 return EINVAL;
2435         error = copyin(ireq->i_data, &csr, sizeof(csr));
2436         if (error != 0)
2437                 return error;
2438         /* XXX adhoc mode not supported */
2439         if (vap->iv_opmode != IEEE80211_M_HOSTAP ||
2440             (vap->iv_flags & IEEE80211_F_DOTH) == 0)
2441                 return EOPNOTSUPP;
2442         c = ieee80211_find_channel(ic,
2443             csr.csa_chan.ic_freq, csr.csa_chan.ic_flags);
2444         if (c == NULL)
2445                 return ENOENT;
2446         IEEE80211_LOCK(ic);
2447         if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0)
2448                 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count);
2449         else if (csr.csa_count == 0)
2450                 ieee80211_csa_cancelswitch(ic);
2451         else
2452                 error = EBUSY;
2453         IEEE80211_UNLOCK(ic);
2454         return error;
2455 }
2456
2457 static int
2458 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr)
2459 {
2460 #define IEEE80211_IOC_SCAN_FLAGS \
2461         (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \
2462          IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \
2463          IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \
2464          IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \
2465          IEEE80211_IOC_SCAN_CHECK)
2466         struct ieee80211com *ic = vap->iv_ic;
2467         int error, i;
2468
2469         /* convert duration */
2470         if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER)
2471                 sr->sr_duration = IEEE80211_SCAN_FOREVER;
2472         else {
2473                 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN ||
2474                     sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX)
2475                         return EINVAL;
2476                 sr->sr_duration = msecs_to_ticks(sr->sr_duration);
2477                 if (sr->sr_duration < 1)
2478                         sr->sr_duration = 1;
2479         }
2480         /* convert min/max channel dwell */
2481         if (sr->sr_mindwell != 0) {
2482                 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell);
2483                 if (sr->sr_mindwell < 1)
2484                         sr->sr_mindwell = 1;
2485         }
2486         if (sr->sr_maxdwell != 0) {
2487                 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell);
2488                 if (sr->sr_maxdwell < 1)
2489                         sr->sr_maxdwell = 1;
2490         }
2491         /* NB: silently reduce ssid count to what is supported */
2492         if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID)
2493                 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID;
2494         for (i = 0; i < sr->sr_nssid; i++)
2495                 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN)
2496                         return EINVAL;
2497         /* cleanse flags just in case, could reject if invalid flags */
2498         sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS;
2499         /*
2500          * Add an implicit NOPICK if the vap is not marked UP.  This
2501          * allows applications to scan without joining a bss (or picking
2502          * a channel and setting up a bss) and without forcing manual
2503          * roaming mode--you just need to mark the parent device UP.
2504          */
2505         if ((vap->iv_ifp->if_flags & IFF_UP) == 0)
2506                 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK;
2507
2508         IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2509             "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n",
2510             __func__, sr->sr_flags,
2511             (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "",
2512             sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid);
2513         /*
2514          * If we are in INIT state then the driver has never had a chance
2515          * to setup hardware state to do a scan; we must use the state
2516          * machine to get us up to the SCAN state but once we reach SCAN
2517          * state we then want to use the supplied params.  Stash the
2518          * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the
2519          * state machines will recognize this and use the stashed params
2520          * to issue the scan request.
2521          *
2522          * Otherwise just invoke the scan machinery directly.
2523          */
2524         IEEE80211_LOCK(ic);
2525         if (vap->iv_state == IEEE80211_S_INIT) {
2526                 /* NB: clobbers previous settings */
2527                 vap->iv_scanreq_flags = sr->sr_flags;
2528                 vap->iv_scanreq_duration = sr->sr_duration;
2529                 vap->iv_scanreq_nssid = sr->sr_nssid;
2530                 for (i = 0; i < sr->sr_nssid; i++) {
2531                         vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len;
2532                         memcpy(vap->iv_scanreq_ssid[i].ssid,
2533                             sr->sr_ssid[i].ssid, sr->sr_ssid[i].len);
2534                 }
2535                 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ;
2536                 IEEE80211_UNLOCK(ic);
2537                 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2538         } else {
2539                 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ;
2540                 IEEE80211_UNLOCK(ic);
2541                 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) {
2542                         error = ieee80211_check_scan(vap, sr->sr_flags,
2543                             sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell,
2544                             sr->sr_nssid,
2545                             /* NB: cheat, we assume structures are compatible */
2546                             (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]);
2547                 } else {
2548                         error = ieee80211_start_scan(vap, sr->sr_flags,
2549                             sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell,
2550                             sr->sr_nssid,
2551                             /* NB: cheat, we assume structures are compatible */
2552                             (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]);
2553                 }
2554                 if (error == 0)
2555                         return EINPROGRESS;
2556         }
2557         return 0;
2558 #undef IEEE80211_IOC_SCAN_FLAGS
2559 }
2560
2561 static int
2562 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq)
2563 {
2564         struct ieee80211_scan_req *sr;
2565         int error;
2566
2567         if (ireq->i_len != sizeof(*sr))
2568                 return EINVAL;
2569 #if defined(__DragonFly__)
2570         sr = kmalloc(sizeof(*sr), M_TEMP, M_INTWAIT | M_ZERO);
2571 #else
2572         sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP,
2573              IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2574 #endif
2575         if (sr == NULL)
2576                 return ENOMEM;
2577         error = copyin(ireq->i_data, sr, sizeof(*sr));
2578         if (error != 0)
2579                 goto bad;
2580         error = ieee80211_scanreq(vap, sr);
2581 bad:
2582         IEEE80211_FREE(sr, M_TEMP);
2583         return error;
2584 }
2585
2586 static int
2587 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
2588 {
2589         struct ieee80211_node *ni;
2590         struct ieee80211req_sta_vlan vlan;
2591         int error;
2592
2593         if (ireq->i_len != sizeof(vlan))
2594                 return EINVAL;
2595         error = copyin(ireq->i_data, &vlan, sizeof(vlan));
2596         if (error != 0)
2597                 return error;
2598         if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
2599                 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
2600                     vlan.sv_macaddr);
2601                 if (ni == NULL)
2602                         return ENOENT;
2603         } else
2604                 ni = ieee80211_ref_node(vap->iv_bss);
2605         ni->ni_vlan = vlan.sv_vlan;
2606         ieee80211_free_node(ni);
2607         return error;
2608 }
2609
2610 static int
2611 isvap11g(const struct ieee80211vap *vap)
2612 {
2613         const struct ieee80211_node *bss = vap->iv_bss;
2614         return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2615             IEEE80211_IS_CHAN_ANYG(bss->ni_chan);
2616 }
2617
2618 static int
2619 isvapht(const struct ieee80211vap *vap)
2620 {
2621         const struct ieee80211_node *bss = vap->iv_bss;
2622         return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2623             IEEE80211_IS_CHAN_HT(bss->ni_chan);
2624 }
2625
2626 /*
2627  * Dummy ioctl set handler so the linker set is defined.
2628  */
2629 static int
2630 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq)
2631 {
2632         return ENOSYS;
2633 }
2634 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set);
2635
2636 static int
2637 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
2638 {
2639         ieee80211_ioctl_setfunc * const *set;
2640         int error;
2641
2642         SET_FOREACH(set, ieee80211_ioctl_setset) {
2643                 error = (*set)(vap, ireq);
2644                 if (error != ENOSYS)
2645                         return error;
2646         }
2647         return EINVAL;
2648 }
2649
2650 static int
2651 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq)
2652 {
2653         struct ieee80211com *ic = vap->iv_ic;
2654         int error;
2655         const struct ieee80211_authenticator *auth;
2656         uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
2657         char tmpssid[IEEE80211_NWID_LEN];
2658         uint8_t tmpbssid[IEEE80211_ADDR_LEN];
2659         struct ieee80211_key *k;
2660         u_int kid;
2661         uint32_t flags;
2662
2663         error = 0;
2664         switch (ireq->i_type) {
2665         case IEEE80211_IOC_SSID:
2666                 if (ireq->i_val != 0 ||
2667                     ireq->i_len > IEEE80211_NWID_LEN)
2668                         return EINVAL;
2669                 error = copyin(ireq->i_data, tmpssid, ireq->i_len);
2670                 if (error)
2671                         break;
2672                 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
2673                 vap->iv_des_ssid[0].len = ireq->i_len;
2674                 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len);
2675                 vap->iv_des_nssid = (ireq->i_len > 0);
2676                 error = ENETRESET;
2677                 break;
2678         case IEEE80211_IOC_WEP:
2679                 switch (ireq->i_val) {
2680                 case IEEE80211_WEP_OFF:
2681                         vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2682                         vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2683                         break;
2684                 case IEEE80211_WEP_ON:
2685                         vap->iv_flags |= IEEE80211_F_PRIVACY;
2686                         vap->iv_flags |= IEEE80211_F_DROPUNENC;
2687                         break;
2688                 case IEEE80211_WEP_MIXED:
2689                         vap->iv_flags |= IEEE80211_F_PRIVACY;
2690                         vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2691                         break;
2692                 }
2693                 error = ENETRESET;
2694                 break;
2695         case IEEE80211_IOC_WEPKEY:
2696                 kid = (u_int) ireq->i_val;
2697                 if (kid >= IEEE80211_WEP_NKID)
2698                         return EINVAL;
2699                 k = &vap->iv_nw_keys[kid];
2700                 if (ireq->i_len == 0) {
2701                         /* zero-len =>'s delete any existing key */
2702                         (void) ieee80211_crypto_delkey(vap, k);
2703                         break;
2704                 }
2705                 if (ireq->i_len > sizeof(tmpkey))
2706                         return EINVAL;
2707                 memset(tmpkey, 0, sizeof(tmpkey));
2708                 error = copyin(ireq->i_data, tmpkey, ireq->i_len);
2709                 if (error)
2710                         break;
2711                 ieee80211_key_update_begin(vap);
2712                 k->wk_keyix = kid;      /* NB: force fixed key id */
2713                 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP,
2714                     IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) {
2715                         k->wk_keylen = ireq->i_len;
2716                         memcpy(k->wk_key, tmpkey, sizeof(tmpkey));
2717                         IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr);
2718                         if  (!ieee80211_crypto_setkey(vap, k))
2719                                 error = EINVAL;
2720                 } else
2721                         error = EINVAL;
2722                 ieee80211_key_update_end(vap);
2723                 break;
2724         case IEEE80211_IOC_WEPTXKEY:
2725                 kid = (u_int) ireq->i_val;
2726                 if (kid >= IEEE80211_WEP_NKID &&
2727                     (uint16_t) kid != IEEE80211_KEYIX_NONE)
2728                         return EINVAL;
2729                 vap->iv_def_txkey = kid;
2730                 break;
2731         case IEEE80211_IOC_AUTHMODE:
2732                 switch (ireq->i_val) {
2733                 case IEEE80211_AUTH_WPA:
2734                 case IEEE80211_AUTH_8021X:      /* 802.1x */
2735                 case IEEE80211_AUTH_OPEN:       /* open */
2736                 case IEEE80211_AUTH_SHARED:     /* shared-key */
2737                 case IEEE80211_AUTH_AUTO:       /* auto */
2738                         auth = ieee80211_authenticator_get(ireq->i_val);
2739                         if (auth == NULL)
2740                                 return EINVAL;
2741                         break;
2742                 default:
2743                         return EINVAL;
2744                 }
2745                 switch (ireq->i_val) {
2746                 case IEEE80211_AUTH_WPA:        /* WPA w/ 802.1x */
2747                         vap->iv_flags |= IEEE80211_F_PRIVACY;
2748                         ireq->i_val = IEEE80211_AUTH_8021X;
2749                         break;
2750                 case IEEE80211_AUTH_OPEN:       /* open */
2751                         vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY);
2752                         break;
2753                 case IEEE80211_AUTH_SHARED:     /* shared-key */
2754                 case IEEE80211_AUTH_8021X:      /* 802.1x */
2755                         vap->iv_flags &= ~IEEE80211_F_WPA;
2756                         /* both require a key so mark the PRIVACY capability */
2757                         vap->iv_flags |= IEEE80211_F_PRIVACY;
2758                         break;
2759                 case IEEE80211_AUTH_AUTO:       /* auto */
2760                         vap->iv_flags &= ~IEEE80211_F_WPA;
2761                         /* XXX PRIVACY handling? */
2762                         /* XXX what's the right way to do this? */
2763                         break;
2764                 }
2765                 /* NB: authenticator attach/detach happens on state change */
2766                 vap->iv_bss->ni_authmode = ireq->i_val;
2767                 /* XXX mixed/mode/usage? */
2768                 vap->iv_auth = auth;
2769                 error = ENETRESET;
2770                 break;
2771         case IEEE80211_IOC_CHANNEL:
2772                 error = ieee80211_ioctl_setchannel(vap, ireq);
2773                 break;
2774         case IEEE80211_IOC_POWERSAVE:
2775                 switch (ireq->i_val) {
2776                 case IEEE80211_POWERSAVE_OFF:
2777                         if (vap->iv_flags & IEEE80211_F_PMGTON) {
2778                                 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON);
2779                                 error = ERESTART;
2780                         }
2781                         break;
2782                 case IEEE80211_POWERSAVE_ON:
2783                         if ((vap->iv_caps & IEEE80211_C_PMGT) == 0)
2784                                 error = EOPNOTSUPP;
2785                         else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) {
2786                                 ieee80211_syncflag(vap, IEEE80211_F_PMGTON);
2787                                 error = ERESTART;
2788                         }
2789                         break;
2790                 default:
2791                         error = EINVAL;
2792                         break;
2793                 }
2794                 break;
2795         case IEEE80211_IOC_POWERSAVESLEEP:
2796                 if (ireq->i_val < 0)
2797                         return EINVAL;
2798                 ic->ic_lintval = ireq->i_val;
2799                 error = ERESTART;
2800                 break;
2801         case IEEE80211_IOC_RTSTHRESHOLD:
2802                 if (!(IEEE80211_RTS_MIN <= ireq->i_val &&
2803                       ireq->i_val <= IEEE80211_RTS_MAX))
2804                         return EINVAL;
2805                 vap->iv_rtsthreshold = ireq->i_val;
2806                 error = ERESTART;
2807                 break;
2808         case IEEE80211_IOC_PROTMODE:
2809                 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
2810                         return EINVAL;
2811                 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val;
2812                 /* NB: if not operating in 11g this can wait */
2813                 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
2814                     IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
2815                         error = ERESTART;
2816                 break;
2817         case IEEE80211_IOC_TXPOWER:
2818                 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
2819                         return EOPNOTSUPP;
2820                 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val &&
2821                       ireq->i_val <= IEEE80211_TXPOWER_MAX))
2822                         return EINVAL;
2823                 ic->ic_txpowlimit = ireq->i_val;
2824                 error = ERESTART;
2825                 break;
2826         case IEEE80211_IOC_ROAMING:
2827                 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val &&
2828                     ireq->i_val <= IEEE80211_ROAMING_MANUAL))
2829                         return EINVAL;
2830                 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val;
2831                 /* XXXX reset? */
2832                 break;
2833         case IEEE80211_IOC_PRIVACY:
2834                 if (ireq->i_val) {
2835                         /* XXX check for key state? */
2836                         vap->iv_flags |= IEEE80211_F_PRIVACY;
2837                 } else
2838                         vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2839                 /* XXX ERESTART? */
2840                 break;
2841         case IEEE80211_IOC_DROPUNENCRYPTED:
2842                 if (ireq->i_val)
2843                         vap->iv_flags |= IEEE80211_F_DROPUNENC;
2844                 else
2845                         vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2846                 /* XXX ERESTART? */
2847                 break;
2848         case IEEE80211_IOC_WPAKEY:
2849                 error = ieee80211_ioctl_setkey(vap, ireq);
2850                 break;
2851         case IEEE80211_IOC_DELKEY:
2852                 error = ieee80211_ioctl_delkey(vap, ireq);
2853                 break;
2854         case IEEE80211_IOC_MLME:
2855                 error = ieee80211_ioctl_setmlme(vap, ireq);
2856                 break;
2857         case IEEE80211_IOC_COUNTERMEASURES:
2858                 if (ireq->i_val) {
2859                         if ((vap->iv_flags & IEEE80211_F_WPA) == 0)
2860                                 return EOPNOTSUPP;
2861                         vap->iv_flags |= IEEE80211_F_COUNTERM;
2862                 } else
2863                         vap->iv_flags &= ~IEEE80211_F_COUNTERM;
2864                 /* XXX ERESTART? */
2865                 break;
2866         case IEEE80211_IOC_WPA:
2867                 if (ireq->i_val > 3)
2868                         return EINVAL;
2869                 /* XXX verify ciphers available */
2870                 flags = vap->iv_flags & ~IEEE80211_F_WPA;
2871                 switch (ireq->i_val) {
2872                 case 0:
2873                         /* wpa_supplicant calls this to clear the WPA config */
2874                         break;
2875                 case 1:
2876                         if (!(vap->iv_caps & IEEE80211_C_WPA1))
2877                                 return EOPNOTSUPP;
2878                         flags |= IEEE80211_F_WPA1;
2879                         break;
2880                 case 2:
2881                         if (!(vap->iv_caps & IEEE80211_C_WPA2))
2882                                 return EOPNOTSUPP;
2883                         flags |= IEEE80211_F_WPA2;
2884                         break;
2885                 case 3:
2886                         if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA)
2887                                 return EOPNOTSUPP;
2888                         flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2;
2889                         break;
2890                 default:        /*  Can't set any -> error */
2891                         return EOPNOTSUPP;
2892                 }
2893                 vap->iv_flags = flags;
2894                 error = ERESTART;       /* NB: can change beacon frame */
2895                 break;
2896         case IEEE80211_IOC_WME:
2897                 if (ireq->i_val) {
2898                         if ((vap->iv_caps & IEEE80211_C_WME) == 0)
2899                                 return EOPNOTSUPP;
2900                         ieee80211_syncflag(vap, IEEE80211_F_WME);
2901                 } else
2902                         ieee80211_syncflag(vap, -IEEE80211_F_WME);
2903                 error = ERESTART;       /* NB: can change beacon frame */
2904                 break;
2905         case IEEE80211_IOC_HIDESSID:
2906                 if (ireq->i_val)
2907                         vap->iv_flags |= IEEE80211_F_HIDESSID;
2908                 else
2909                         vap->iv_flags &= ~IEEE80211_F_HIDESSID;
2910                 error = ERESTART;               /* XXX ENETRESET? */
2911                 break;
2912         case IEEE80211_IOC_APBRIDGE:
2913                 if (ireq->i_val == 0)
2914                         vap->iv_flags |= IEEE80211_F_NOBRIDGE;
2915                 else
2916                         vap->iv_flags &= ~IEEE80211_F_NOBRIDGE;
2917                 break;
2918         case IEEE80211_IOC_BSSID:
2919                 if (ireq->i_len != sizeof(tmpbssid))
2920                         return EINVAL;
2921                 error = copyin(ireq->i_data, tmpbssid, ireq->i_len);
2922                 if (error)
2923                         break;
2924                 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid);
2925                 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid))
2926                         vap->iv_flags &= ~IEEE80211_F_DESBSSID;
2927                 else
2928                         vap->iv_flags |= IEEE80211_F_DESBSSID;
2929                 error = ENETRESET;
2930                 break;
2931         case IEEE80211_IOC_CHANLIST:
2932                 error = ieee80211_ioctl_setchanlist(vap, ireq);
2933                 break;
2934 #define OLD_IEEE80211_IOC_SCAN_REQ      23
2935 #ifdef OLD_IEEE80211_IOC_SCAN_REQ
2936         case OLD_IEEE80211_IOC_SCAN_REQ:
2937                 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2938                         "%s: active scan request\n", __func__);
2939                 /*
2940                  * If we are in INIT state then the driver has never
2941                  * had a chance to setup hardware state to do a scan;
2942                  * use the state machine to get us up the SCAN state.
2943                  * Otherwise just invoke the scan machinery to start
2944                  * a one-time scan.
2945                  */
2946                 if (vap->iv_state == IEEE80211_S_INIT)
2947                         ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2948                 else
2949                         (void) ieee80211_start_scan(vap,
2950                                 IEEE80211_SCAN_ACTIVE |
2951                                 IEEE80211_SCAN_NOPICK |
2952                                 IEEE80211_SCAN_ONCE,
2953                                 IEEE80211_SCAN_FOREVER, 0, 0,
2954                                 /* XXX use ioctl params */
2955                                 vap->iv_des_nssid, vap->iv_des_ssid);
2956                 break;
2957 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */
2958         case IEEE80211_IOC_SCAN_REQ:
2959                 error = ieee80211_ioctl_scanreq(vap, ireq);
2960                 break;
2961         case IEEE80211_IOC_SCAN_CANCEL:
2962                 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2963                     "%s: cancel scan\n", __func__);
2964                 ieee80211_cancel_scan(vap);
2965                 break;
2966         case IEEE80211_IOC_HTCONF:
2967                 if (ireq->i_val & 1)
2968                         ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT);
2969                 else
2970                         ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT);
2971                 if (ireq->i_val & 2)
2972                         ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40);
2973                 else
2974                         ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40);
2975                 error = ENETRESET;
2976                 break;
2977         case IEEE80211_IOC_ADDMAC:
2978         case IEEE80211_IOC_DELMAC:
2979                 error = ieee80211_ioctl_macmac(vap, ireq);
2980                 break;
2981         case IEEE80211_IOC_MACCMD:
2982                 error = ieee80211_ioctl_setmaccmd(vap, ireq);
2983                 break;
2984         case IEEE80211_IOC_STA_STATS:
2985                 error = ieee80211_ioctl_setstastats(vap, ireq);
2986                 break;
2987         case IEEE80211_IOC_STA_TXPOW:
2988                 error = ieee80211_ioctl_setstatxpow(vap, ireq);
2989                 break;
2990         case IEEE80211_IOC_WME_CWMIN:           /* WME: CWmin */
2991         case IEEE80211_IOC_WME_CWMAX:           /* WME: CWmax */
2992         case IEEE80211_IOC_WME_AIFS:            /* WME: AIFS */
2993         case IEEE80211_IOC_WME_TXOPLIMIT:       /* WME: txops limit */
2994         case IEEE80211_IOC_WME_ACM:             /* WME: ACM (bss only) */
2995         case IEEE80211_IOC_WME_ACKPOLICY:       /* WME: ACK policy (!bss only) */
2996                 error = ieee80211_ioctl_setwmeparam(vap, ireq);
2997                 break;
2998         case IEEE80211_IOC_DTIM_PERIOD:
2999                 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3000                     vap->iv_opmode != IEEE80211_M_MBSS &&
3001                     vap->iv_opmode != IEEE80211_M_IBSS)
3002                         return EINVAL;
3003                 if (IEEE80211_DTIM_MIN <= ireq->i_val &&
3004                     ireq->i_val <= IEEE80211_DTIM_MAX) {
3005                         vap->iv_dtim_period = ireq->i_val;
3006                         error = ENETRESET;              /* requires restart */
3007                 } else
3008                         error = EINVAL;
3009                 break;
3010         case IEEE80211_IOC_BEACON_INTERVAL:
3011                 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3012                     vap->iv_opmode != IEEE80211_M_MBSS &&
3013                     vap->iv_opmode != IEEE80211_M_IBSS)
3014                         return EINVAL;
3015                 if (IEEE80211_BINTVAL_MIN <= ireq->i_val &&
3016                     ireq->i_val <= IEEE80211_BINTVAL_MAX) {
3017                         ic->ic_bintval = ireq->i_val;
3018                         error = ENETRESET;              /* requires restart */
3019                 } else
3020                         error = EINVAL;
3021                 break;
3022         case IEEE80211_IOC_PUREG:
3023                 if (ireq->i_val)
3024                         vap->iv_flags |= IEEE80211_F_PUREG;
3025                 else
3026                         vap->iv_flags &= ~IEEE80211_F_PUREG;
3027                 /* NB: reset only if we're operating on an 11g channel */
3028                 if (isvap11g(vap))
3029                         error = ENETRESET;
3030                 break;
3031         case IEEE80211_IOC_QUIET:
3032                 vap->iv_quiet= ireq->i_val;
3033                 break;
3034         case IEEE80211_IOC_QUIET_COUNT:
3035                 vap->iv_quiet_count=ireq->i_val;
3036                 break;
3037         case IEEE80211_IOC_QUIET_PERIOD:
3038                 vap->iv_quiet_period=ireq->i_val;
3039                 break;
3040         case IEEE80211_IOC_QUIET_OFFSET:
3041                 vap->iv_quiet_offset=ireq->i_val;
3042                 break;
3043         case IEEE80211_IOC_QUIET_DUR:
3044                 if(ireq->i_val < vap->iv_bss->ni_intval)
3045                         vap->iv_quiet_duration = ireq->i_val;
3046                 else
3047                         error = EINVAL;
3048                 break;
3049         case IEEE80211_IOC_BGSCAN:
3050                 if (ireq->i_val) {
3051                         if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0)
3052                                 return EOPNOTSUPP;
3053                         vap->iv_flags |= IEEE80211_F_BGSCAN;
3054                 } else
3055                         vap->iv_flags &= ~IEEE80211_F_BGSCAN;
3056                 break;
3057         case IEEE80211_IOC_BGSCAN_IDLE:
3058                 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN)
3059                         vap->iv_bgscanidle = ireq->i_val*hz/1000;
3060                 else
3061                         error = EINVAL;
3062                 break;
3063         case IEEE80211_IOC_BGSCAN_INTERVAL:
3064                 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN)
3065                         vap->iv_bgscanintvl = ireq->i_val*hz;
3066                 else
3067                         error = EINVAL;
3068                 break;
3069         case IEEE80211_IOC_SCANVALID:
3070                 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN)
3071                         vap->iv_scanvalid = ireq->i_val*hz;
3072                 else
3073                         error = EINVAL;
3074                 break;
3075         case IEEE80211_IOC_FRAGTHRESHOLD:
3076                 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 &&
3077                     ireq->i_val != IEEE80211_FRAG_MAX)
3078                         return EOPNOTSUPP;
3079                 if (!(IEEE80211_FRAG_MIN <= ireq->i_val &&
3080                       ireq->i_val <= IEEE80211_FRAG_MAX))
3081                         return EINVAL;
3082                 vap->iv_fragthreshold = ireq->i_val;
3083                 error = ERESTART;
3084                 break;
3085         case IEEE80211_IOC_BURST:
3086                 if (ireq->i_val) {
3087                         if ((vap->iv_caps & IEEE80211_C_BURST) == 0)
3088                                 return EOPNOTSUPP;
3089                         ieee80211_syncflag(vap, IEEE80211_F_BURST);
3090                 } else
3091                         ieee80211_syncflag(vap, -IEEE80211_F_BURST);
3092                 error = ERESTART;
3093                 break;
3094         case IEEE80211_IOC_BMISSTHRESHOLD:
3095                 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val &&
3096                       ireq->i_val <= IEEE80211_HWBMISS_MAX))
3097                         return EINVAL;
3098                 vap->iv_bmissthreshold = ireq->i_val;
3099                 error = ERESTART;
3100                 break;
3101         case IEEE80211_IOC_CURCHAN:
3102                 error = ieee80211_ioctl_setcurchan(vap, ireq);
3103                 break;
3104         case IEEE80211_IOC_SHORTGI:
3105                 if (ireq->i_val) {
3106 #define IEEE80211_HTCAP_SHORTGI \
3107         (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40)
3108                         if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0)
3109                                 return EINVAL;
3110                         if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20)
3111                                 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20;
3112                         if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40)
3113                                 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40;
3114 #undef IEEE80211_HTCAP_SHORTGI
3115                 } else
3116                         vap->iv_flags_ht &=
3117                             ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40);
3118                 error = ERESTART;
3119                 break;
3120         case IEEE80211_IOC_AMPDU:
3121                 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0)
3122                         return EINVAL;
3123                 if (ireq->i_val & 1)
3124                         vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX;
3125                 else
3126                         vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX;
3127                 if (ireq->i_val & 2)
3128                         vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX;
3129                 else
3130                         vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX;
3131                 /* NB: reset only if we're operating on an 11n channel */
3132                 if (isvapht(vap))
3133                         error = ERESTART;
3134                 break;
3135         case IEEE80211_IOC_AMPDU_LIMIT:
3136                 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val &&
3137                       ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K))
3138                         return EINVAL;
3139                 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3140                         vap->iv_ampdu_rxmax = ireq->i_val;
3141                 else
3142                         vap->iv_ampdu_limit = ireq->i_val;
3143                 error = ERESTART;
3144                 break;
3145         case IEEE80211_IOC_AMPDU_DENSITY:
3146                 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val &&
3147                       ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16))
3148                         return EINVAL;
3149                 vap->iv_ampdu_density = ireq->i_val;
3150                 error = ERESTART;
3151                 break;
3152         case IEEE80211_IOC_AMSDU:
3153                 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0)
3154                         return EINVAL;
3155                 if (ireq->i_val & 1)
3156                         vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX;
3157                 else
3158                         vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX;
3159                 if (ireq->i_val & 2)
3160                         vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX;
3161                 else
3162                         vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX;
3163                 /* NB: reset only if we're operating on an 11n channel */
3164                 if (isvapht(vap))
3165                         error = ERESTART;
3166                 break;
3167         case IEEE80211_IOC_AMSDU_LIMIT:
3168                 /* XXX validate */
3169                 vap->iv_amsdu_limit = ireq->i_val;      /* XXX truncation? */
3170                 break;
3171         case IEEE80211_IOC_PUREN:
3172                 if (ireq->i_val) {
3173                         if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3174                                 return EINVAL;
3175                         vap->iv_flags_ht |= IEEE80211_FHT_PUREN;
3176                 } else
3177                         vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN;
3178                 /* NB: reset only if we're operating on an 11n channel */
3179                 if (isvapht(vap))
3180                         error = ERESTART;
3181                 break;
3182         case IEEE80211_IOC_DOTH:
3183                 if (ireq->i_val) {
3184 #if 0
3185                         /* XXX no capability */
3186                         if ((vap->iv_caps & IEEE80211_C_DOTH) == 0)
3187                                 return EOPNOTSUPP;
3188 #endif
3189                         vap->iv_flags |= IEEE80211_F_DOTH;
3190                 } else
3191                         vap->iv_flags &= ~IEEE80211_F_DOTH;
3192                 error = ENETRESET;
3193                 break;
3194         case IEEE80211_IOC_REGDOMAIN:
3195                 error = ieee80211_ioctl_setregdomain(vap, ireq);
3196                 break;
3197         case IEEE80211_IOC_ROAM:
3198                 error = ieee80211_ioctl_setroam(vap, ireq);
3199                 break;
3200         case IEEE80211_IOC_TXPARAMS:
3201                 error = ieee80211_ioctl_settxparams(vap, ireq);
3202                 break;
3203         case IEEE80211_IOC_HTCOMPAT:
3204                 if (ireq->i_val) {
3205                         if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3206                                 return EOPNOTSUPP;
3207                         vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT;
3208                 } else
3209                         vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT;
3210                 /* NB: reset only if we're operating on an 11n channel */
3211                 if (isvapht(vap))
3212                         error = ERESTART;
3213                 break;
3214         case IEEE80211_IOC_DWDS:
3215                 if (ireq->i_val) {
3216                         /* NB: DWDS only makes sense for WDS-capable devices */
3217                         if ((ic->ic_caps & IEEE80211_C_WDS) == 0)
3218                                 return EOPNOTSUPP;
3219                         /* NB: DWDS is used only with ap+sta vaps */
3220                         if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3221                             vap->iv_opmode != IEEE80211_M_STA)
3222                                 return EINVAL;
3223                         vap->iv_flags |= IEEE80211_F_DWDS;
3224                         if (vap->iv_opmode == IEEE80211_M_STA)
3225                                 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR;
3226                 } else {
3227                         vap->iv_flags &= ~IEEE80211_F_DWDS;
3228                         if (vap->iv_opmode == IEEE80211_M_STA)
3229                                 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR;
3230                 }
3231                 break;
3232         case IEEE80211_IOC_INACTIVITY:
3233                 if (ireq->i_val)
3234                         vap->iv_flags_ext |= IEEE80211_FEXT_INACT;
3235                 else
3236                         vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT;
3237                 break;
3238         case IEEE80211_IOC_APPIE:
3239                 error = ieee80211_ioctl_setappie(vap, ireq);
3240                 break;
3241         case IEEE80211_IOC_WPS:
3242                 if (ireq->i_val) {
3243                         if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3244                                 return EOPNOTSUPP;
3245                         vap->iv_flags_ext |= IEEE80211_FEXT_WPS;
3246                 } else
3247                         vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS;
3248                 break;
3249         case IEEE80211_IOC_TSN:
3250                 if (ireq->i_val) {
3251                         if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3252                                 return EOPNOTSUPP;
3253                         vap->iv_flags_ext |= IEEE80211_FEXT_TSN;
3254                 } else
3255                         vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN;
3256                 break;
3257         case IEEE80211_IOC_CHANSWITCH:
3258                 error = ieee80211_ioctl_chanswitch(vap, ireq);
3259                 break;
3260         case IEEE80211_IOC_DFS:
3261                 if (ireq->i_val) {
3262                         if ((vap->iv_caps & IEEE80211_C_DFS) == 0)
3263                                 return EOPNOTSUPP;
3264                         /* NB: DFS requires 11h support */
3265                         if ((vap->iv_flags & IEEE80211_F_DOTH) == 0)
3266                                 return EINVAL;
3267                         vap->iv_flags_ext |= IEEE80211_FEXT_DFS;
3268                 } else
3269                         vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS;
3270                 break;
3271         case IEEE80211_IOC_DOTD:
3272                 if (ireq->i_val)
3273                         vap->iv_flags_ext |= IEEE80211_FEXT_DOTD;
3274                 else
3275                         vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD;
3276                 if (vap->iv_opmode == IEEE80211_M_STA)
3277                         error = ENETRESET;
3278                 break;
3279         case IEEE80211_IOC_HTPROTMODE:
3280                 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
3281                         return EINVAL;
3282                 ic->ic_htprotmode = ireq->i_val ?
3283                     IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE;
3284                 /* NB: if not operating in 11n this can wait */
3285                 if (isvapht(vap))
3286                         error = ERESTART;
3287                 break;
3288         case IEEE80211_IOC_STA_VLAN:
3289                 error = ieee80211_ioctl_setstavlan(vap, ireq);
3290                 break;
3291         case IEEE80211_IOC_SMPS:
3292                 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 ||
3293                     ireq->i_val == 0x0008)      /* value of 2 is reserved */
3294                         return EINVAL;
3295                 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF &&
3296                     (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0)
3297                         return EOPNOTSUPP;
3298                 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) |
3299                         ireq->i_val;
3300                 /* NB: if not operating in 11n this can wait */
3301                 if (isvapht(vap))
3302                         error = ERESTART;
3303                 break;
3304         case IEEE80211_IOC_RIFS:
3305                 if (ireq->i_val != 0) {
3306                         if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0)
3307                                 return EOPNOTSUPP;
3308                         vap->iv_flags_ht |= IEEE80211_FHT_RIFS;
3309                 } else
3310                         vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS;
3311                 /* NB: if not operating in 11n this can wait */
3312                 if (isvapht(vap))
3313                         error = ERESTART;
3314                 break;
3315         case IEEE80211_IOC_STBC:
3316                 /* Check if we can do STBC TX/RX before changing the setting */
3317                 if ((ireq->i_val & 1) &&
3318                     ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0))
3319                         return EOPNOTSUPP;
3320                 if ((ireq->i_val & 2) &&
3321                     ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0))
3322                         return EOPNOTSUPP;
3323
3324                 /* TX */
3325                 if (ireq->i_val & 1)
3326                         vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX;
3327                 else
3328                         vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX;
3329
3330                 /* RX */
3331                 if (ireq->i_val & 2)
3332                         vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX;
3333                 else
3334                         vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX;
3335
3336                 /* NB: reset only if we're operating on an 11n channel */
3337                 if (isvapht(vap))
3338                         error = ERESTART;
3339                 break;
3340         default:
3341                 error = ieee80211_ioctl_setdefault(vap, ireq);
3342                 break;
3343         }
3344         /*
3345          * The convention is that ENETRESET means an operation
3346          * requires a complete re-initialization of the device (e.g.
3347          * changing something that affects the association state).
3348          * ERESTART means the request may be handled with only a
3349          * reload of the hardware state.  We hand ERESTART requests
3350          * to the iv_reset callback so the driver can decide.  If
3351          * a device does not fillin iv_reset then it defaults to one
3352          * that returns ENETRESET.  Otherwise a driver may return
3353          * ENETRESET (in which case a full reset will be done) or
3354          * 0 to mean there's no need to do anything (e.g. when the
3355          * change has no effect on the driver/device).
3356          */
3357         if (error == ERESTART)
3358                 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ?
3359                     vap->iv_reset(vap, ireq->i_type) : 0;
3360         if (error == ENETRESET) {
3361                 /* XXX need to re-think AUTO handling */
3362                 if (IS_UP_AUTO(vap))
3363                         ieee80211_init(vap);
3364                 error = 0;
3365         }
3366         return error;
3367 }
3368
3369 #if defined(__DragonFly__)
3370 int
3371 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *ucred)
3372 #else
3373 int
3374 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
3375 #endif
3376 {
3377         struct ieee80211vap *vap = ifp->if_softc;
3378         struct ieee80211com *ic = vap->iv_ic;
3379         int error = 0, wait = 0;
3380         struct ifreq *ifr;
3381         struct ifaddr *ifa;                     /* XXX */
3382
3383         switch (cmd) {
3384         case SIOCSIFFLAGS:
3385                 IEEE80211_LOCK(ic);
3386                 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) {
3387                         /*
3388                          * Enable promiscuous mode when:
3389                          * 1. Interface is not a member of bridge, or
3390                          * 2. Requested by user, or
3391                          * 3. In monitor (or adhoc-demo) mode.
3392                          */
3393                         if (ifp->if_bridge == NULL ||
3394                             (ifp->if_flags & IFF_PPROMISC) != 0 ||
3395                             vap->iv_opmode == IEEE80211_M_MONITOR ||
3396                             (vap->iv_opmode == IEEE80211_M_AHDEMO &&
3397                             (vap->iv_caps & IEEE80211_C_TDMA) == 0)) {
3398                                 ieee80211_promisc(vap,
3399                                     ifp->if_flags & IFF_PROMISC);
3400                                 vap->iv_ifflags ^= IFF_PROMISC;
3401                         }
3402                 }
3403                 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) {
3404                         ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI);
3405                         vap->iv_ifflags ^= IFF_ALLMULTI;
3406                 }
3407                 if (ifp->if_flags & IFF_UP) {
3408                         /*
3409                          * Bring ourself up unless we're already operational.
3410                          * If we're the first vap and the parent is not up
3411                          * then it will automatically be brought up as a
3412                          * side-effect of bringing ourself up.
3413                          */
3414                         if (vap->iv_state == IEEE80211_S_INIT) {
3415                                 if (ic->ic_nrunning == 0)
3416                                         wait = 1;
3417                                 ieee80211_start_locked(vap);
3418                         }
3419                 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
3420                         /*
3421                          * Stop ourself.  If we are the last vap to be
3422                          * marked down the parent will also be taken down.
3423                          */
3424                         if (ic->ic_nrunning == 1)
3425                                 wait = 1;
3426                         ieee80211_stop_locked(vap);
3427                 }
3428                 IEEE80211_UNLOCK(ic);
3429                 /* Wait for parent ioctl handler if it was queued */
3430                 if (wait) {
3431 #if defined(__DragonFly__)
3432                         /* DragonFly: release serializer to avoid deadlock */
3433                         wlan_serialize_exit();
3434 #endif
3435                         ieee80211_waitfor_parent(ic);
3436
3437                         /*
3438                          * Check if the MAC address was changed
3439                          * via SIOCSIFLLADDR ioctl.
3440                          */
3441                         if ((ifp->if_flags & IFF_UP) == 0 &&
3442                             !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp)))
3443                                 IEEE80211_ADDR_COPY(vap->iv_myaddr,
3444                                     IF_LLADDR(ifp));
3445 #if defined(__DragonFly__)
3446                         wlan_serialize_enter();
3447 #endif
3448                 }
3449                 break;
3450         case SIOCADDMULTI:
3451         case SIOCDELMULTI:
3452                 /* DragonFly: serializer must be held */
3453                 ieee80211_runtask(ic, &ic->ic_mcast_task);
3454                 break;
3455         case SIOCSIFMEDIA:
3456         case SIOCGIFMEDIA:
3457                 /* DragonFly: serializer must be held */
3458                 ifr = (struct ifreq *)data;
3459                 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd);
3460                 break;
3461         case SIOCG80211:
3462                 error = ieee80211_ioctl_get80211(vap, cmd,
3463                                 (struct ieee80211req *) data);
3464                 break;
3465         case SIOCS80211:
3466                 error = priv_check(curthread, PRIV_NET80211_MANAGE);
3467                 if (error == 0)
3468                         error = ieee80211_ioctl_set80211(vap, cmd,
3469                                         (struct ieee80211req *) data);
3470                 break;
3471         case SIOCG80211STATS:
3472                 ifr = (struct ifreq *)data;
3473                 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats));
3474                 break;
3475         case SIOCSIFMTU:
3476                 ifr = (struct ifreq *)data;
3477                 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu &&
3478                     ifr->ifr_mtu <= IEEE80211_MTU_MAX))
3479                         error = EINVAL;
3480                 else
3481                         ifp->if_mtu = ifr->ifr_mtu;
3482                 break;
3483         case SIOCSIFADDR:
3484                 /*
3485                  * XXX Handle this directly so we can suppress if_init calls.
3486                  * XXX This should be done in ether_ioctl but for the moment
3487                  * XXX there are too many other parts of the system that
3488                  * XXX set IFF_UP and so suppress if_init being called when
3489                  * XXX it should be.
3490                  */
3491                 ifa = (struct ifaddr *) data;
3492                 switch (ifa->ifa_addr->sa_family) {
3493 #ifdef INET
3494                 case AF_INET:
3495                         if ((ifp->if_flags & IFF_UP) == 0) {
3496                                 ifp->if_flags |= IFF_UP;
3497                                 ifp->if_init(ifp->if_softc);
3498                         }
3499                         arp_ifinit(ifp, ifa);
3500                         break;
3501 #endif
3502                 default:
3503                         if ((ifp->if_flags & IFF_UP) == 0) {
3504                                 ifp->if_flags |= IFF_UP;
3505                                 ifp->if_init(ifp->if_softc);
3506                         }
3507                         break;
3508                 }
3509                 break;
3510         default:
3511                 /*
3512                  * Pass unknown ioctls first to the driver, and if it
3513                  * returns ENOTTY, then to the generic Ethernet handler.
3514                  */
3515                 if (ic->ic_ioctl != NULL &&
3516                     (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY)
3517                         break;
3518                 /* DragonFly: serializer must be held */
3519                 error = ether_ioctl(ifp, cmd, data);
3520                 break;
3521         }
3522         return (error);
3523 }