sys/net80211/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 <net80211/ieee80211_var.h>
  58 #include <net80211/ieee80211_ioctl.h>
  59 #include <net80211/ieee80211_regdomain.h>
  60 #include <net80211/ieee80211_input.h>
  61
  62 #define IS_UP_AUTO(_vap) \
  63         (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \
  64          (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO)
  65
  66 static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
  67 static struct ieee80211_channel *findchannel(struct ieee80211com *,
  68                 int ieee, int mode);
  69 static int ieee80211_scanreq(struct ieee80211vap *,
  70                 struct ieee80211_scan_req *);
  71
  72 static int
  73 ieee80211_ioctl_getkey(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         wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP,
 163             IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
 164         if (wpaie == NULL)
 165                 return ENOMEM;
 166         error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN);
 167         if (error != 0)
 168                 goto bad;
 169         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr);
 170         if (ni == NULL) {
 171                 error = ENOENT;
 172                 goto bad;
 173         }
 174         if (ni->ni_ies.wpa_ie != NULL) {
 175                 int ielen = ni->ni_ies.wpa_ie[1] + 2;
 176                 if (ielen > sizeof(wpaie->wpa_ie))
 177                         ielen = sizeof(wpaie->wpa_ie);
 178                 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen);
 179         }
 180         if (req == IEEE80211_IOC_WPAIE2) {
 181                 if (ni->ni_ies.rsn_ie != NULL) {
 182                         int ielen = ni->ni_ies.rsn_ie[1] + 2;
 183                         if (ielen > sizeof(wpaie->rsn_ie))
 184                                 ielen = sizeof(wpaie->rsn_ie);
 185                         memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen);
 186                 }
 187                 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2))
 188                         ireq->i_len = sizeof(struct ieee80211req_wpaie2);
 189         } else {
 190                 /* compatibility op, may overwrite wpa ie */
 191                 /* XXX check ic_flags? */
 192                 if (ni->ni_ies.rsn_ie != NULL) {
 193                         int ielen = ni->ni_ies.rsn_ie[1] + 2;
 194                         if (ielen > sizeof(wpaie->wpa_ie))
 195                                 ielen = sizeof(wpaie->wpa_ie);
 196                         memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen);
 197                 }
 198                 if (ireq->i_len > sizeof(struct ieee80211req_wpaie))
 199                         ireq->i_len = sizeof(struct ieee80211req_wpaie);
 200         }
 201         ieee80211_free_node(ni);
 202         error = copyout(wpaie, ireq->i_data, ireq->i_len);
 203 bad:
 204         IEEE80211_FREE(wpaie, M_TEMP);
 205         return error;
 206 }
 207
 208 static int
 209 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
 210 {
 211         struct ieee80211_node *ni;
 212         uint8_t macaddr[IEEE80211_ADDR_LEN];
 213         const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats);
 214         int error;
 215
 216         if (ireq->i_len < off)
 217                 return EINVAL;
 218         error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
 219         if (error != 0)
 220                 return error;
 221         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
 222         if (ni == NULL)
 223                 return ENOENT;
 224         if (ireq->i_len > sizeof(struct ieee80211req_sta_stats))
 225                 ireq->i_len = sizeof(struct ieee80211req_sta_stats);
 226         /* NB: copy out only the statistics */
 227         error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off,
 228                         ireq->i_len - off);
 229         ieee80211_free_node(ni);
 230         return error;
 231 }
 232
 233 struct scanreq {
 234         struct ieee80211req_scan_result *sr;
 235         size_t space;
 236 };
 237
 238 static size_t
 239 scan_space(const struct ieee80211_scan_entry *se, int *ielen)
 240 {
 241         size_t len;
 242
 243         *ielen = se->se_ies.len;
 244         /*
 245          * NB: ie's can be no more than 255 bytes and the max 802.11
 246          * packet is <3Kbytes so we are sure this doesn't overflow
 247          * 16-bits; if this is a concern we can drop the ie's.
 248          */
 249         len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] +
 250             se->se_meshid[1] + *ielen;
 251         return roundup(len, sizeof(uint32_t));
 252 }
 253
 254 static void
 255 get_scan_space(void *arg, const struct ieee80211_scan_entry *se)
 256 {
 257         struct scanreq *req = arg;
 258         int ielen;
 259
 260         req->space += scan_space(se, &ielen);
 261 }
 262
 263 static void
 264 get_scan_result(void *arg, const struct ieee80211_scan_entry *se)
 265 {
 266         struct scanreq *req = arg;
 267         struct ieee80211req_scan_result *sr;
 268         int ielen, len, nr, nxr;
 269         uint8_t *cp;
 270
 271         len = scan_space(se, &ielen);
 272         if (len > req->space)
 273                 return;
 274
 275         sr = req->sr;
 276         KASSERT(len <= 65535 && ielen <= 65535,
 277             ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen));
 278         sr->isr_len = len;
 279         sr->isr_ie_off = sizeof(struct ieee80211req_scan_result);
 280         sr->isr_ie_len = ielen;
 281         sr->isr_freq = se->se_chan->ic_freq;
 282         sr->isr_flags = se->se_chan->ic_flags;
 283         sr->isr_rssi = se->se_rssi;
 284         sr->isr_noise = se->se_noise;
 285         sr->isr_intval = se->se_intval;
 286         sr->isr_capinfo = se->se_capinfo;
 287         sr->isr_erp = se->se_erp;
 288         IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid);
 289         nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE);
 290         memcpy(sr->isr_rates, se->se_rates+2, nr);
 291         nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr);
 292         memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr);
 293         sr->isr_nrates = nr + nxr;
 294
 295         /* copy SSID */
 296         sr->isr_ssid_len = se->se_ssid[1];
 297         cp = ((uint8_t *)sr) + sr->isr_ie_off;
 298         memcpy(cp, se->se_ssid+2, sr->isr_ssid_len);
 299
 300         /* copy mesh id */
 301         cp += sr->isr_ssid_len;
 302         sr->isr_meshid_len = se->se_meshid[1];
 303         memcpy(cp, se->se_meshid+2, sr->isr_meshid_len);
 304         cp += sr->isr_meshid_len;
 305
 306         if (ielen)
 307                 memcpy(cp, se->se_ies.data, ielen);
 308
 309         req->space -= len;
 310         req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len);
 311 }
 312
 313 static int
 314 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap,
 315         struct ieee80211req *ireq)
 316 {
 317         struct scanreq req;
 318         int error;
 319
 320         if (ireq->i_len < sizeof(struct scanreq))
 321                 return EFAULT;
 322
 323         error = 0;
 324         req.space = 0;
 325         ieee80211_scan_iterate(vap, get_scan_space, &req);
 326         if (req.space > ireq->i_len)
 327                 req.space = ireq->i_len;
 328         if (req.space > 0) {
 329                 uint32_t space;
 330                 void *p;
 331
 332                 space = req.space;
 333                 /* XXX M_WAITOK after driver lock released */
 334                 p = IEEE80211_MALLOC(space, M_TEMP,
 335                     IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
 336                 if (p == NULL)
 337                         return ENOMEM;
 338                 req.sr = p;
 339                 ieee80211_scan_iterate(vap, get_scan_result, &req);
 340                 ireq->i_len = space - req.space;
 341                 error = copyout(p, ireq->i_data, ireq->i_len);
 342                 IEEE80211_FREE(p, M_TEMP);
 343         } else
 344                 ireq->i_len = 0;
 345
 346         return error;
 347 }
 348
 349 struct stainforeq {
 350         struct ieee80211req_sta_info *si;
 351         size_t  space;
 352 };
 353
 354 static size_t
 355 sta_space(const struct ieee80211_node *ni, size_t *ielen)
 356 {
 357         *ielen = ni->ni_ies.len;
 358         return roundup(sizeof(struct ieee80211req_sta_info) + *ielen,
 359                       sizeof(uint32_t));
 360 }
 361
 362 static void
 363 get_sta_space(void *arg, struct ieee80211_node *ni)
 364 {
 365         struct stainforeq *req = arg;
 366         size_t ielen;
 367
 368         if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP &&
 369             ni->ni_associd == 0)        /* only associated stations */
 370                 return;
 371         req->space += sta_space(ni, &ielen);
 372 }
 373
 374 static void
 375 get_sta_info(void *arg, struct ieee80211_node *ni)
 376 {
 377         struct stainforeq *req = arg;
 378         struct ieee80211vap *vap = ni->ni_vap;
 379         struct ieee80211req_sta_info *si;
 380         size_t ielen, len;
 381         uint8_t *cp;
 382
 383         if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
 384             ni->ni_associd == 0)        /* only associated stations */
 385                 return;
 386         if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */
 387                 return;
 388         len = sta_space(ni, &ielen);
 389         if (len > req->space)
 390                 return;
 391         si = req->si;
 392         si->isi_len = len;
 393         si->isi_ie_off = sizeof(struct ieee80211req_sta_info);
 394         si->isi_ie_len = ielen;
 395         si->isi_freq = ni->ni_chan->ic_freq;
 396         si->isi_flags = ni->ni_chan->ic_flags;
 397         si->isi_state = ni->ni_flags;
 398         si->isi_authmode = ni->ni_authmode;
 399         vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise);
 400         vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo);
 401         si->isi_capinfo = ni->ni_capinfo;
 402         si->isi_erp = ni->ni_erp;
 403         IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr);
 404         si->isi_nrates = ni->ni_rates.rs_nrates;
 405         if (si->isi_nrates > 15)
 406                 si->isi_nrates = 15;
 407         memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates);
 408         si->isi_txrate = ni->ni_txrate;
 409         if (si->isi_txrate & IEEE80211_RATE_MCS) {
 410                 const struct ieee80211_mcs_rates *mcs =
 411                     &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS];
 412                 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) {
 413                         if (ni->ni_flags & IEEE80211_NODE_SGI40)
 414                                 si->isi_txmbps = mcs->ht40_rate_800ns;
 415                         else
 416                                 si->isi_txmbps = mcs->ht40_rate_400ns;
 417                 } else {
 418                         if (ni->ni_flags & IEEE80211_NODE_SGI20)
 419                                 si->isi_txmbps = mcs->ht20_rate_800ns;
 420                         else
 421                                 si->isi_txmbps = mcs->ht20_rate_400ns;
 422                 }
 423         } else
 424                 si->isi_txmbps = si->isi_txrate;
 425         si->isi_associd = ni->ni_associd;
 426         si->isi_txpower = ni->ni_txpower;
 427         si->isi_vlan = ni->ni_vlan;
 428         if (ni->ni_flags & IEEE80211_NODE_QOS) {
 429                 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs));
 430                 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs));
 431         } else {
 432                 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID];
 433                 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID];
 434         }
 435         /* NB: leave all cases in case we relax ni_associd == 0 check */
 436         if (ieee80211_node_is_authorized(ni))
 437                 si->isi_inact = vap->iv_inact_run;
 438         else if (ni->ni_associd != 0 ||
 439             (vap->iv_opmode == IEEE80211_M_WDS &&
 440              (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY)))
 441                 si->isi_inact = vap->iv_inact_auth;
 442         else
 443                 si->isi_inact = vap->iv_inact_init;
 444         si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT;
 445         si->isi_localid = ni->ni_mllid;
 446         si->isi_peerid = ni->ni_mlpid;
 447         si->isi_peerstate = ni->ni_mlstate;
 448
 449         if (ielen) {
 450                 cp = ((uint8_t *)si) + si->isi_ie_off;
 451                 memcpy(cp, ni->ni_ies.data, ielen);
 452         }
 453
 454         req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len);
 455         req->space -= len;
 456 }
 457
 458 static int
 459 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq,
 460         struct ieee80211_node *ni, size_t off)
 461 {
 462         struct ieee80211com *ic = vap->iv_ic;
 463         struct stainforeq req;
 464         size_t space;
 465         void *p;
 466         int error;
 467
 468         error = 0;
 469         req.space = 0;
 470         if (ni == NULL) {
 471                 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_sta_space,
 472                     &req);
 473         } else
 474                 get_sta_space(&req, ni);
 475         if (req.space > ireq->i_len)
 476                 req.space = ireq->i_len;
 477         if (req.space > 0) {
 478                 space = req.space;
 479                 /* XXX M_WAITOK after driver lock released */
 480                 p = IEEE80211_MALLOC(space, M_TEMP,
 481                     IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
 482                 if (p == NULL) {
 483                         error = ENOMEM;
 484                         goto bad;
 485                 }
 486                 req.si = p;
 487                 if (ni == NULL) {
 488                         ieee80211_iterate_nodes_vap(&ic->ic_sta, vap,
 489                             get_sta_info, &req);
 490                 } else
 491                         get_sta_info(&req, ni);
 492                 ireq->i_len = space - req.space;
 493                 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len);
 494                 IEEE80211_FREE(p, M_TEMP);
 495         } else
 496                 ireq->i_len = 0;
 497 bad:
 498         if (ni != NULL)
 499                 ieee80211_free_node(ni);
 500         return error;
 501 }
 502
 503 static int
 504 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
 505 {
 506         uint8_t macaddr[IEEE80211_ADDR_LEN];
 507         const size_t off = __offsetof(struct ieee80211req_sta_req, info);
 508         struct ieee80211_node *ni;
 509         int error;
 510
 511         if (ireq->i_len < sizeof(struct ieee80211req_sta_req))
 512                 return EFAULT;
 513         error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
 514         if (error != 0)
 515                 return error;
 516         if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) {
 517                 ni = NULL;
 518         } else {
 519                 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
 520                 if (ni == NULL)
 521                         return ENOENT;
 522         }
 523         return getstainfo_common(vap, ireq, ni, off);
 524 }
 525
 526 static int
 527 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
 528 {
 529         struct ieee80211_node *ni;
 530         struct ieee80211req_sta_txpow txpow;
 531         int error;
 532
 533         if (ireq->i_len != sizeof(txpow))
 534                 return EINVAL;
 535         error = copyin(ireq->i_data, &txpow, sizeof(txpow));
 536         if (error != 0)
 537                 return error;
 538         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
 539         if (ni == NULL)
 540                 return ENOENT;
 541         txpow.it_txpow = ni->ni_txpower;
 542         error = copyout(&txpow, ireq->i_data, sizeof(txpow));
 543         ieee80211_free_node(ni);
 544         return error;
 545 }
 546
 547 static int
 548 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
 549 {
 550         struct ieee80211com *ic = vap->iv_ic;
 551         struct ieee80211_wme_state *wme = &ic->ic_wme;
 552         struct wmeParams *wmep;
 553         int ac;
 554
 555         if ((ic->ic_caps & IEEE80211_C_WME) == 0)
 556                 return EINVAL;
 557
 558         ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
 559         if (ac >= WME_NUM_AC)
 560                 ac = WME_AC_BE;
 561         if (ireq->i_len & IEEE80211_WMEPARAM_BSS)
 562                 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
 563         else
 564                 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
 565         switch (ireq->i_type) {
 566         case IEEE80211_IOC_WME_CWMIN:           /* WME: CWmin */
 567                 ireq->i_val = wmep->wmep_logcwmin;
 568                 break;
 569         case IEEE80211_IOC_WME_CWMAX:           /* WME: CWmax */
 570                 ireq->i_val = wmep->wmep_logcwmax;
 571                 break;
 572         case IEEE80211_IOC_WME_AIFS:            /* WME: AIFS */
 573                 ireq->i_val = wmep->wmep_aifsn;
 574                 break;
 575         case IEEE80211_IOC_WME_TXOPLIMIT:       /* WME: txops limit */
 576                 ireq->i_val = wmep->wmep_txopLimit;
 577                 break;
 578         case IEEE80211_IOC_WME_ACM:             /* WME: ACM (bss only) */
 579                 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
 580                 ireq->i_val = wmep->wmep_acm;
 581                 break;
 582         case IEEE80211_IOC_WME_ACKPOLICY:       /* WME: ACK policy (!bss only)*/
 583                 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
 584                 ireq->i_val = !wmep->wmep_noackPolicy;
 585                 break;
 586         }
 587         return 0;
 588 }
 589
 590 static int
 591 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
 592 {
 593         const struct ieee80211_aclator *acl = vap->iv_acl;
 594
 595         return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq));
 596 }
 597
 598 static int
 599 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq)
 600 {
 601         struct ieee80211com *ic = vap->iv_ic;
 602         struct ieee80211_channel *c;
 603
 604         if (ireq->i_len != sizeof(struct ieee80211_channel))
 605                 return EINVAL;
 606         /*
 607          * vap's may have different operating channels when HT is
 608          * in use.  When in RUN state report the vap-specific channel.
 609          * Otherwise return curchan.
 610          */
 611         if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)
 612                 c = vap->iv_bss->ni_chan;
 613         else
 614                 c = ic->ic_curchan;
 615         return copyout(c, ireq->i_data, sizeof(*c));
 616 }
 617
 618 static int
 619 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq)
 620 {
 621         if (aie == NULL)
 622                 return EINVAL;
 623         /* NB: truncate, caller can check length */
 624         if (ireq->i_len > aie->ie_len)
 625                 ireq->i_len = aie->ie_len;
 626         return copyout(aie->ie_data, ireq->i_data, ireq->i_len);
 627 }
 628
 629 static int
 630 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq)
 631 {
 632         uint8_t fc0;
 633
 634         fc0 = ireq->i_val & 0xff;
 635         if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
 636                 return EINVAL;
 637         /* NB: could check iv_opmode and reject but hardly worth the effort */
 638         switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
 639         case IEEE80211_FC0_SUBTYPE_BEACON:
 640                 return getappie(vap->iv_appie_beacon, ireq);
 641         case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
 642                 return getappie(vap->iv_appie_proberesp, ireq);
 643         case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
 644                 return getappie(vap->iv_appie_assocresp, ireq);
 645         case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
 646                 return getappie(vap->iv_appie_probereq, ireq);
 647         case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
 648                 return getappie(vap->iv_appie_assocreq, ireq);
 649         case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP:
 650                 return getappie(vap->iv_appie_wpa, ireq);
 651         }
 652         return EINVAL;
 653 }
 654
 655 static int
 656 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap,
 657         const struct ieee80211req *ireq)
 658 {
 659         struct ieee80211com *ic = vap->iv_ic;
 660
 661         if (ireq->i_len != sizeof(ic->ic_regdomain))
 662                 return EINVAL;
 663         return copyout(&ic->ic_regdomain, ireq->i_data,
 664             sizeof(ic->ic_regdomain));
 665 }
 666
 667 static int
 668 ieee80211_ioctl_getroam(struct ieee80211vap *vap,
 669         const struct ieee80211req *ireq)
 670 {
 671         size_t len = ireq->i_len;
 672         /* NB: accept short requests for backwards compat */
 673         if (len > sizeof(vap->iv_roamparms))
 674                 len = sizeof(vap->iv_roamparms);
 675         return copyout(vap->iv_roamparms, ireq->i_data, len);
 676 }
 677
 678 static int
 679 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap,
 680         const struct ieee80211req *ireq)
 681 {
 682         size_t len = ireq->i_len;
 683         /* NB: accept short requests for backwards compat */
 684         if (len > sizeof(vap->iv_txparms))
 685                 len = sizeof(vap->iv_txparms);
 686         return copyout(vap->iv_txparms, ireq->i_data, len);
 687 }
 688
 689 static int
 690 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic,
 691         const struct ieee80211req *ireq)
 692 {
 693         struct ieee80211_devcaps_req *dc;
 694         struct ieee80211req_chaninfo *ci;
 695         int maxchans, error;
 696
 697         maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) /
 698             sizeof(struct ieee80211_channel));
 699         /* NB: require 1 so we know ic_nchans is accessible */
 700         if (maxchans < 1)
 701                 return EINVAL;
 702         /* constrain max request size, 2K channels is ~24Kbytes */
 703         if (maxchans > 2048)
 704                 maxchans = 2048;
 705         dc = (struct ieee80211_devcaps_req *)
 706             IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP,
 707             IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
 708         if (dc == NULL)
 709                 return ENOMEM;
 710         dc->dc_drivercaps = ic->ic_caps;
 711         dc->dc_cryptocaps = ic->ic_cryptocaps;
 712         dc->dc_htcaps = ic->ic_htcaps;
 713         ci = &dc->dc_chaninfo;
 714         ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans);
 715         KASSERT(ci->ic_nchans <= maxchans,
 716             ("nchans %d maxchans %d", ci->ic_nchans, maxchans));
 717         ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans);
 718         error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc));
 719         IEEE80211_FREE(dc, M_TEMP);
 720         return error;
 721 }
 722
 723 static int
 724 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
 725 {
 726         struct ieee80211_node *ni;
 727         struct ieee80211req_sta_vlan vlan;
 728         int error;
 729
 730         if (ireq->i_len != sizeof(vlan))
 731                 return EINVAL;
 732         error = copyin(ireq->i_data, &vlan, sizeof(vlan));
 733         if (error != 0)
 734                 return error;
 735         if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
 736                 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
 737                     vlan.sv_macaddr);
 738                 if (ni == NULL)
 739                         return ENOENT;
 740         } else
 741                 ni = ieee80211_ref_node(vap->iv_bss);
 742         vlan.sv_vlan = ni->ni_vlan;
 743         error = copyout(&vlan, ireq->i_data, sizeof(vlan));
 744         ieee80211_free_node(ni);
 745         return error;
 746 }
 747
 748 /*
 749  * Dummy ioctl get handler so the linker set is defined.
 750  */
 751 static int
 752 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq)
 753 {
 754         return ENOSYS;
 755 }
 756 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get);
 757
 758 static int
 759 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
 760 {
 761         ieee80211_ioctl_getfunc * const *get;
 762         int error;
 763
 764         SET_FOREACH(get, ieee80211_ioctl_getset) {
 765                 error = (*get)(vap, ireq);
 766                 if (error != ENOSYS)
 767                         return error;
 768         }
 769         return EINVAL;
 770 }
 771
 772 static int
 773 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd,
 774     struct ieee80211req *ireq)
 775 {
 776 #define MS(_v, _f)      (((_v) & _f) >> _f##_S)
 777         struct ieee80211com *ic = vap->iv_ic;
 778         u_int kid, len;
 779         uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
 780         char tmpssid[IEEE80211_NWID_LEN];
 781         int error = 0;
 782
 783         switch (ireq->i_type) {
 784         case IEEE80211_IOC_SSID:
 785                 switch (vap->iv_state) {
 786                 case IEEE80211_S_INIT:
 787                 case IEEE80211_S_SCAN:
 788                         ireq->i_len = vap->iv_des_ssid[0].len;
 789                         memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len);
 790                         break;
 791                 default:
 792                         ireq->i_len = vap->iv_bss->ni_esslen;
 793                         memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len);
 794                         break;
 795                 }
 796                 error = copyout(tmpssid, ireq->i_data, ireq->i_len);
 797                 break;
 798         case IEEE80211_IOC_NUMSSIDS:
 799                 ireq->i_val = 1;
 800                 break;
 801         case IEEE80211_IOC_WEP:
 802                 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0)
 803                         ireq->i_val = IEEE80211_WEP_OFF;
 804                 else if (vap->iv_flags & IEEE80211_F_DROPUNENC)
 805                         ireq->i_val = IEEE80211_WEP_ON;
 806                 else
 807                         ireq->i_val = IEEE80211_WEP_MIXED;
 808                 break;
 809         case IEEE80211_IOC_WEPKEY:
 810                 kid = (u_int) ireq->i_val;
 811                 if (kid >= IEEE80211_WEP_NKID)
 812                         return EINVAL;
 813                 len = (u_int) vap->iv_nw_keys[kid].wk_keylen;
 814                 /* NB: only root can read WEP keys */
 815                 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
 816                         bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len);
 817                 } else {
 818                         bzero(tmpkey, len);
 819                 }
 820                 ireq->i_len = len;
 821                 error = copyout(tmpkey, ireq->i_data, len);
 822                 break;
 823         case IEEE80211_IOC_NUMWEPKEYS:
 824                 ireq->i_val = IEEE80211_WEP_NKID;
 825                 break;
 826         case IEEE80211_IOC_WEPTXKEY:
 827                 ireq->i_val = vap->iv_def_txkey;
 828                 break;
 829         case IEEE80211_IOC_AUTHMODE:
 830                 if (vap->iv_flags & IEEE80211_F_WPA)
 831                         ireq->i_val = IEEE80211_AUTH_WPA;
 832                 else
 833                         ireq->i_val = vap->iv_bss->ni_authmode;
 834                 break;
 835         case IEEE80211_IOC_CHANNEL:
 836                 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan);
 837                 break;
 838         case IEEE80211_IOC_POWERSAVE:
 839                 if (vap->iv_flags & IEEE80211_F_PMGTON)
 840                         ireq->i_val = IEEE80211_POWERSAVE_ON;
 841                 else
 842                         ireq->i_val = IEEE80211_POWERSAVE_OFF;
 843                 break;
 844         case IEEE80211_IOC_POWERSAVESLEEP:
 845                 ireq->i_val = ic->ic_lintval;
 846                 break;
 847         case IEEE80211_IOC_RTSTHRESHOLD:
 848                 ireq->i_val = vap->iv_rtsthreshold;
 849                 break;
 850         case IEEE80211_IOC_PROTMODE:
 851                 ireq->i_val = ic->ic_protmode;
 852                 break;
 853         case IEEE80211_IOC_TXPOWER:
 854                 /*
 855                  * Tx power limit is the min of max regulatory
 856                  * power, any user-set limit, and the max the
 857                  * radio can do.
 858                  *
 859                  * TODO: methodize this
 860                  */
 861                 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower;
 862                 if (ireq->i_val > ic->ic_txpowlimit)
 863                         ireq->i_val = ic->ic_txpowlimit;
 864                 if (ireq->i_val > ic->ic_curchan->ic_maxpower)
 865                         ireq->i_val = ic->ic_curchan->ic_maxpower;
 866                 break;
 867         case IEEE80211_IOC_WPA:
 868                 switch (vap->iv_flags & IEEE80211_F_WPA) {
 869                 case IEEE80211_F_WPA1:
 870                         ireq->i_val = 1;
 871                         break;
 872                 case IEEE80211_F_WPA2:
 873                         ireq->i_val = 2;
 874                         break;
 875                 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2:
 876                         ireq->i_val = 3;
 877                         break;
 878                 default:
 879                         ireq->i_val = 0;
 880                         break;
 881                 }
 882                 break;
 883         case IEEE80211_IOC_CHANLIST:
 884                 error = ieee80211_ioctl_getchanlist(vap, ireq);
 885                 break;
 886         case IEEE80211_IOC_ROAMING:
 887                 ireq->i_val = vap->iv_roaming;
 888                 break;
 889         case IEEE80211_IOC_PRIVACY:
 890                 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0;
 891                 break;
 892         case IEEE80211_IOC_DROPUNENCRYPTED:
 893                 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0;
 894                 break;
 895         case IEEE80211_IOC_COUNTERMEASURES:
 896                 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0;
 897                 break;
 898         case IEEE80211_IOC_WME:
 899                 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0;
 900                 break;
 901         case IEEE80211_IOC_HIDESSID:
 902                 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0;
 903                 break;
 904         case IEEE80211_IOC_APBRIDGE:
 905                 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0;
 906                 break;
 907         case IEEE80211_IOC_WPAKEY:
 908                 error = ieee80211_ioctl_getkey(vap, ireq);
 909                 break;
 910         case IEEE80211_IOC_CHANINFO:
 911                 error = ieee80211_ioctl_getchaninfo(vap, ireq);
 912                 break;
 913         case IEEE80211_IOC_BSSID:
 914                 if (ireq->i_len != IEEE80211_ADDR_LEN)
 915                         return EINVAL;
 916                 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) {
 917                         error = copyout(vap->iv_opmode == IEEE80211_M_WDS ?
 918                             vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid,
 919                             ireq->i_data, ireq->i_len);
 920                 } else
 921                         error = copyout(vap->iv_des_bssid, ireq->i_data,
 922                             ireq->i_len);
 923                 break;
 924         case IEEE80211_IOC_WPAIE:
 925         case IEEE80211_IOC_WPAIE2:
 926                 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
 927                 break;
 928         case IEEE80211_IOC_SCAN_RESULTS:
 929                 error = ieee80211_ioctl_getscanresults(vap, ireq);
 930                 break;
 931         case IEEE80211_IOC_STA_STATS:
 932                 error = ieee80211_ioctl_getstastats(vap, ireq);
 933                 break;
 934         case IEEE80211_IOC_TXPOWMAX:
 935                 ireq->i_val = vap->iv_bss->ni_txpower;
 936                 break;
 937         case IEEE80211_IOC_STA_TXPOW:
 938                 error = ieee80211_ioctl_getstatxpow(vap, ireq);
 939                 break;
 940         case IEEE80211_IOC_STA_INFO:
 941                 error = ieee80211_ioctl_getstainfo(vap, ireq);
 942                 break;
 943         case IEEE80211_IOC_WME_CWMIN:           /* WME: CWmin */
 944         case IEEE80211_IOC_WME_CWMAX:           /* WME: CWmax */
 945         case IEEE80211_IOC_WME_AIFS:            /* WME: AIFS */
 946         case IEEE80211_IOC_WME_TXOPLIMIT:       /* WME: txops limit */
 947         case IEEE80211_IOC_WME_ACM:             /* WME: ACM (bss only) */
 948         case IEEE80211_IOC_WME_ACKPOLICY:       /* WME: ACK policy (!bss only) */
 949                 error = ieee80211_ioctl_getwmeparam(vap, ireq);
 950                 break;
 951         case IEEE80211_IOC_DTIM_PERIOD:
 952                 ireq->i_val = vap->iv_dtim_period;
 953                 break;
 954         case IEEE80211_IOC_BEACON_INTERVAL:
 955                 /* NB: get from ic_bss for station mode */
 956                 ireq->i_val = vap->iv_bss->ni_intval;
 957                 break;
 958         case IEEE80211_IOC_PUREG:
 959                 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0;
 960                 break;
 961         case IEEE80211_IOC_QUIET:
 962                 ireq->i_val = vap->iv_quiet;
 963                 break;
 964         case IEEE80211_IOC_QUIET_COUNT:
 965                 ireq->i_val = vap->iv_quiet_count;
 966                 break;
 967         case IEEE80211_IOC_QUIET_PERIOD:
 968                 ireq->i_val = vap->iv_quiet_period;
 969                 break;
 970         case IEEE80211_IOC_QUIET_DUR:
 971                 ireq->i_val = vap->iv_quiet_duration;
 972                 break;
 973         case IEEE80211_IOC_QUIET_OFFSET:
 974                 ireq->i_val = vap->iv_quiet_offset;
 975                 break;
 976         case IEEE80211_IOC_BGSCAN:
 977                 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0;
 978                 break;
 979         case IEEE80211_IOC_BGSCAN_IDLE:
 980                 ireq->i_val = vap->iv_bgscanidle*hz/1000;       /* ms */
 981                 break;
 982         case IEEE80211_IOC_BGSCAN_INTERVAL:
 983                 ireq->i_val = vap->iv_bgscanintvl/hz;           /* seconds */
 984                 break;
 985         case IEEE80211_IOC_SCANVALID:
 986                 ireq->i_val = vap->iv_scanvalid/hz;             /* seconds */
 987                 break;
 988         case IEEE80211_IOC_FRAGTHRESHOLD:
 989                 ireq->i_val = vap->iv_fragthreshold;
 990                 break;
 991         case IEEE80211_IOC_MACCMD:
 992                 error = ieee80211_ioctl_getmaccmd(vap, ireq);
 993                 break;
 994         case IEEE80211_IOC_BURST:
 995                 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0;
 996                 break;
 997         case IEEE80211_IOC_BMISSTHRESHOLD:
 998                 ireq->i_val = vap->iv_bmissthreshold;
 999                 break;
1000         case IEEE80211_IOC_CURCHAN:
1001                 error = ieee80211_ioctl_getcurchan(vap, ireq);
1002                 break;
1003         case IEEE80211_IOC_SHORTGI:
1004                 ireq->i_val = 0;
1005                 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20)
1006                         ireq->i_val |= IEEE80211_HTCAP_SHORTGI20;
1007                 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40)
1008                         ireq->i_val |= IEEE80211_HTCAP_SHORTGI40;
1009                 break;
1010         case IEEE80211_IOC_AMPDU:
1011                 ireq->i_val = 0;
1012                 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX)
1013                         ireq->i_val |= 1;
1014                 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX)
1015                         ireq->i_val |= 2;
1016                 break;
1017         case IEEE80211_IOC_AMPDU_LIMIT:
1018                 /* XXX TODO: make this a per-node thing; and leave this as global */
1019                 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
1020                         ireq->i_val = vap->iv_ampdu_rxmax;
1021                 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)
1022                         /*
1023                          * XXX TODO: this isn't completely correct, as we've
1024                          * negotiated the higher of the two.
1025                          */
1026                         ireq->i_val = MS(vap->iv_bss->ni_htparam,
1027                             IEEE80211_HTCAP_MAXRXAMPDU);
1028                 else
1029                         ireq->i_val = vap->iv_ampdu_limit;
1030                 break;
1031         case IEEE80211_IOC_AMPDU_DENSITY:
1032                 /* XXX TODO: make this a per-node thing; and leave this as global */
1033                 if (vap->iv_opmode == IEEE80211_M_STA &&
1034                     (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP))
1035                         /*
1036                          * XXX TODO: this isn't completely correct, as we've
1037                          * negotiated the higher of the two.
1038                          */
1039                         ireq->i_val = MS(vap->iv_bss->ni_htparam,
1040                             IEEE80211_HTCAP_MPDUDENSITY);
1041                 else
1042                         ireq->i_val = vap->iv_ampdu_density;
1043                 break;
1044         case IEEE80211_IOC_AMSDU:
1045                 ireq->i_val = 0;
1046                 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
1047                         ireq->i_val |= 1;
1048                 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX)
1049                         ireq->i_val |= 2;
1050                 break;
1051         case IEEE80211_IOC_AMSDU_LIMIT:
1052                 ireq->i_val = vap->iv_amsdu_limit;      /* XXX truncation? */
1053                 break;
1054         case IEEE80211_IOC_PUREN:
1055                 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0;
1056                 break;
1057         case IEEE80211_IOC_DOTH:
1058                 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0;
1059                 break;
1060         case IEEE80211_IOC_REGDOMAIN:
1061                 error = ieee80211_ioctl_getregdomain(vap, ireq);
1062                 break;
1063         case IEEE80211_IOC_ROAM:
1064                 error = ieee80211_ioctl_getroam(vap, ireq);
1065                 break;
1066         case IEEE80211_IOC_TXPARAMS:
1067                 error = ieee80211_ioctl_gettxparams(vap, ireq);
1068                 break;
1069         case IEEE80211_IOC_HTCOMPAT:
1070                 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0;
1071                 break;
1072         case IEEE80211_IOC_DWDS:
1073                 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0;
1074                 break;
1075         case IEEE80211_IOC_INACTIVITY:
1076                 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0;
1077                 break;
1078         case IEEE80211_IOC_APPIE:
1079                 error = ieee80211_ioctl_getappie(vap, ireq);
1080                 break;
1081         case IEEE80211_IOC_WPS:
1082                 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0;
1083                 break;
1084         case IEEE80211_IOC_TSN:
1085                 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0;
1086                 break;
1087         case IEEE80211_IOC_DFS:
1088                 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0;
1089                 break;
1090         case IEEE80211_IOC_DOTD:
1091                 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0;
1092                 break;
1093         case IEEE80211_IOC_DEVCAPS:
1094                 error = ieee80211_ioctl_getdevcaps(ic, ireq);
1095                 break;
1096         case IEEE80211_IOC_HTPROTMODE:
1097                 ireq->i_val = ic->ic_htprotmode;
1098                 break;
1099         case IEEE80211_IOC_HTCONF:
1100                 if (vap->iv_flags_ht & IEEE80211_FHT_HT) {
1101                         ireq->i_val = 1;
1102                         if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40)
1103                                 ireq->i_val |= 2;
1104                 } else
1105                         ireq->i_val = 0;
1106                 break;
1107         case IEEE80211_IOC_STA_VLAN:
1108                 error = ieee80211_ioctl_getstavlan(vap, ireq);
1109                 break;
1110         case IEEE80211_IOC_SMPS:
1111                 if (vap->iv_opmode == IEEE80211_M_STA &&
1112                     (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) {
1113                         if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS)
1114                                 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC;
1115                         else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS)
1116                                 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA;
1117                         else
1118                                 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF;
1119                 } else
1120                         ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS;
1121                 break;
1122         case IEEE80211_IOC_RIFS:
1123                 if (vap->iv_opmode == IEEE80211_M_STA &&
1124                     (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP))
1125                         ireq->i_val =
1126                             (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0;
1127                 else
1128                         ireq->i_val =
1129                             (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0;
1130                 break;
1131         case IEEE80211_IOC_STBC:
1132                 ireq->i_val = 0;
1133                 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX)
1134                         ireq->i_val |= 1;
1135                 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX)
1136                         ireq->i_val |= 2;
1137                 break;
1138         default:
1139                 error = ieee80211_ioctl_getdefault(vap, ireq);
1140                 break;
1141         }
1142         return error;
1143 #undef MS
1144 }
1145
1146 static int
1147 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1148 {
1149         struct ieee80211req_key ik;
1150         struct ieee80211_node *ni;
1151         struct ieee80211_key *wk;
1152         uint16_t kid;
1153         int error, i;
1154
1155         if (ireq->i_len != sizeof(ik))
1156                 return EINVAL;
1157         error = copyin(ireq->i_data, &ik, sizeof(ik));
1158         if (error)
1159                 return error;
1160         /* NB: cipher support is verified by ieee80211_crypt_newkey */
1161         /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */
1162         if (ik.ik_keylen > sizeof(ik.ik_keydata))
1163                 return E2BIG;
1164         kid = ik.ik_keyix;
1165         if (kid == IEEE80211_KEYIX_NONE) {
1166                 /* XXX unicast keys currently must be tx/rx */
1167                 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))
1168                         return EINVAL;
1169                 if (vap->iv_opmode == IEEE80211_M_STA) {
1170                         ni = ieee80211_ref_node(vap->iv_bss);
1171                         if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) {
1172                                 ieee80211_free_node(ni);
1173                                 return EADDRNOTAVAIL;
1174                         }
1175                 } else {
1176                         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1177                                 ik.ik_macaddr);
1178                         if (ni == NULL)
1179                                 return ENOENT;
1180                 }
1181                 wk = &ni->ni_ucastkey;
1182         } else {
1183                 if (kid >= IEEE80211_WEP_NKID)
1184                         return EINVAL;
1185                 wk = &vap->iv_nw_keys[kid];
1186                 /*
1187                  * Global slots start off w/o any assigned key index.
1188                  * Force one here for consistency with IEEE80211_IOC_WEPKEY.
1189                  */
1190                 if (wk->wk_keyix == IEEE80211_KEYIX_NONE)
1191                         wk->wk_keyix = kid;
1192                 ni = NULL;
1193         }
1194         error = 0;
1195         ieee80211_key_update_begin(vap);
1196         if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) {
1197                 wk->wk_keylen = ik.ik_keylen;
1198                 /* NB: MIC presence is implied by cipher type */
1199                 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE)
1200                         wk->wk_keylen = IEEE80211_KEYBUF_SIZE;
1201                 for (i = 0; i < IEEE80211_TID_SIZE; i++)
1202                         wk->wk_keyrsc[i] = ik.ik_keyrsc;
1203                 wk->wk_keytsc = 0;                      /* new key, reset */
1204                 memset(wk->wk_key, 0, sizeof(wk->wk_key));
1205                 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen);
1206                 IEEE80211_ADDR_COPY(wk->wk_macaddr,
1207                     ni != NULL ?  ni->ni_macaddr : ik.ik_macaddr);
1208                 if (!ieee80211_crypto_setkey(vap, wk))
1209                         error = EIO;
1210                 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT))
1211                         /*
1212                          * Inform the driver that this is the default
1213                          * transmit key.  Now, ideally we'd just set
1214                          * a flag in the key update that would
1215                          * say "yes, we're the default key", but
1216                          * that currently isn't the way the ioctl ->
1217                          * key interface works.
1218                          */
1219                         ieee80211_crypto_set_deftxkey(vap, kid);
1220         } else
1221                 error = ENXIO;
1222         ieee80211_key_update_end(vap);
1223         if (ni != NULL)
1224                 ieee80211_free_node(ni);
1225         return error;
1226 }
1227
1228 static int
1229 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1230 {
1231         struct ieee80211req_del_key dk;
1232         int kid, error;
1233
1234         if (ireq->i_len != sizeof(dk))
1235                 return EINVAL;
1236         error = copyin(ireq->i_data, &dk, sizeof(dk));
1237         if (error)
1238                 return error;
1239         kid = dk.idk_keyix;
1240         /* XXX uint8_t -> uint16_t */
1241         if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) {
1242                 struct ieee80211_node *ni;
1243
1244                 if (vap->iv_opmode == IEEE80211_M_STA) {
1245                         ni = ieee80211_ref_node(vap->iv_bss);
1246                         if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) {
1247                                 ieee80211_free_node(ni);
1248                                 return EADDRNOTAVAIL;
1249                         }
1250                 } else {
1251                         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1252                                 dk.idk_macaddr);
1253                         if (ni == NULL)
1254                                 return ENOENT;
1255                 }
1256                 /* XXX error return */
1257                 ieee80211_node_delucastkey(ni);
1258                 ieee80211_free_node(ni);
1259         } else {
1260                 if (kid >= IEEE80211_WEP_NKID)
1261                         return EINVAL;
1262                 /* XXX error return */
1263                 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]);
1264         }
1265         return 0;
1266 }
1267
1268 struct mlmeop {
1269         struct ieee80211vap *vap;
1270         int     op;
1271         int     reason;
1272 };
1273
1274 static void
1275 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1276         int op, int reason)
1277 {
1278 #ifdef IEEE80211_DEBUG
1279         static const struct {
1280                 int mask;
1281                 const char *opstr;
1282         } ops[] = {
1283                 { 0, "op#0" },
1284                 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1285                   IEEE80211_MSG_ASSOC, "assoc" },
1286                 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1287                   IEEE80211_MSG_ASSOC, "disassoc" },
1288                 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1289                   IEEE80211_MSG_AUTH, "deauth" },
1290                 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1291                   IEEE80211_MSG_AUTH, "authorize" },
1292                 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1293                   IEEE80211_MSG_AUTH, "unauthorize" },
1294         };
1295
1296         if (op == IEEE80211_MLME_AUTH) {
1297                 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL |
1298                     IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac,
1299                     "station authenticate %s via MLME (reason: %d (%s))",
1300                     reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT",
1301                     reason, ieee80211_reason_to_string(reason));
1302         } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) {
1303                 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac,
1304                     "unknown MLME request %d (reason: %d (%s))", op, reason,
1305                     ieee80211_reason_to_string(reason));
1306         } else if (reason == IEEE80211_STATUS_SUCCESS) {
1307                 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1308                     "station %s via MLME", ops[op].opstr);
1309         } else {
1310                 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1311                     "station %s via MLME (reason: %d (%s))", ops[op].opstr,
1312                     reason, ieee80211_reason_to_string(reason));
1313         }
1314 #endif /* IEEE80211_DEBUG */
1315 }
1316
1317 static void
1318 domlme(void *arg, struct ieee80211_node *ni)
1319 {
1320         struct mlmeop *mop = arg;
1321         struct ieee80211vap *vap = ni->ni_vap;
1322
1323         if (vap != mop->vap)
1324                 return;
1325         /*
1326          * NB: if ni_associd is zero then the node is already cleaned
1327          * up and we don't need to do this (we're safely holding a
1328          * reference but should otherwise not modify it's state).
1329          */
1330         if (ni->ni_associd == 0)
1331                 return;
1332         mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason);
1333         if (mop->op == IEEE80211_MLME_DEAUTH) {
1334                 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
1335                     mop->reason);
1336         } else {
1337                 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC,
1338                     mop->reason);
1339         }
1340         ieee80211_node_leave(ni);
1341 }
1342
1343 static int
1344 setmlme_dropsta(struct ieee80211vap *vap,
1345         const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop)
1346 {
1347         struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta;
1348         struct ieee80211_node *ni;
1349         int error = 0;
1350
1351         /* NB: the broadcast address means do 'em all */
1352         if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) {
1353                 IEEE80211_NODE_LOCK(nt);
1354                 ni = ieee80211_find_node_locked(nt, mac);
1355                 IEEE80211_NODE_UNLOCK(nt);
1356                 /*
1357                  * Don't do the node update inside the node
1358                  * table lock.  This unfortunately causes LORs
1359                  * with drivers and their TX paths.
1360                  */
1361                 if (ni != NULL) {
1362                         domlme(mlmeop, ni);
1363                         ieee80211_free_node(ni);
1364                 } else
1365                         error = ENOENT;
1366         } else {
1367                 ieee80211_iterate_nodes(nt, domlme, mlmeop);
1368         }
1369         return error;
1370 }
1371
1372 static int
1373 setmlme_common(struct ieee80211vap *vap, int op,
1374         const uint8_t mac[IEEE80211_ADDR_LEN], int reason)
1375 {
1376         struct ieee80211com *ic = vap->iv_ic;
1377         struct ieee80211_node_table *nt = &ic->ic_sta;
1378         struct ieee80211_node *ni;
1379         struct mlmeop mlmeop;
1380         int error;
1381
1382         error = 0;
1383         switch (op) {
1384         case IEEE80211_MLME_DISASSOC:
1385         case IEEE80211_MLME_DEAUTH:
1386                 switch (vap->iv_opmode) {
1387                 case IEEE80211_M_STA:
1388                         mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1389                         /* XXX not quite right */
1390                         ieee80211_new_state(vap, IEEE80211_S_INIT, reason);
1391                         break;
1392                 case IEEE80211_M_HOSTAP:
1393                         mlmeop.vap = vap;
1394                         mlmeop.op = op;
1395                         mlmeop.reason = reason;
1396                         error = setmlme_dropsta(vap, mac, &mlmeop);
1397                         break;
1398                 case IEEE80211_M_WDS:
1399                         /* XXX user app should send raw frame? */
1400                         if (op != IEEE80211_MLME_DEAUTH) {
1401                                 error = EINVAL;
1402                                 break;
1403                         }
1404 #if 0
1405                         /* XXX accept any address, simplifies user code */
1406                         if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) {
1407                                 error = EINVAL;
1408                                 break;
1409                         }
1410 #endif
1411                         mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1412                         ni = ieee80211_ref_node(vap->iv_bss);
1413                         IEEE80211_SEND_MGMT(ni,
1414                             IEEE80211_FC0_SUBTYPE_DEAUTH, reason);
1415                         ieee80211_free_node(ni);
1416                         break;
1417                 case IEEE80211_M_MBSS:
1418                         IEEE80211_NODE_LOCK(nt);
1419                         ni = ieee80211_find_node_locked(nt, mac);
1420                         /*
1421                          * Don't do the node update inside the node
1422                          * table lock.  This unfortunately causes LORs
1423                          * with drivers and their TX paths.
1424                          */
1425                         IEEE80211_NODE_UNLOCK(nt);
1426                         if (ni != NULL) {
1427                                 ieee80211_node_leave(ni);
1428                                 ieee80211_free_node(ni);
1429                         } else {
1430                                 error = ENOENT;
1431                         }
1432                         break;
1433                 default:
1434                         error = EINVAL;
1435                         break;
1436                 }
1437                 break;
1438         case IEEE80211_MLME_AUTHORIZE:
1439         case IEEE80211_MLME_UNAUTHORIZE:
1440                 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
1441                     vap->iv_opmode != IEEE80211_M_WDS) {
1442                         error = EINVAL;
1443                         break;
1444                 }
1445                 IEEE80211_NODE_LOCK(nt);
1446                 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1447                 /*
1448                  * Don't do the node update inside the node
1449                  * table lock.  This unfortunately causes LORs
1450                  * with drivers and their TX paths.
1451                  */
1452                 IEEE80211_NODE_UNLOCK(nt);
1453                 if (ni != NULL) {
1454                         mlmedebug(vap, mac, op, reason);
1455                         if (op == IEEE80211_MLME_AUTHORIZE)
1456                                 ieee80211_node_authorize(ni);
1457                         else
1458                                 ieee80211_node_unauthorize(ni);
1459                         ieee80211_free_node(ni);
1460                 } else
1461                         error = ENOENT;
1462                 break;
1463         case IEEE80211_MLME_AUTH:
1464                 if (vap->iv_opmode != IEEE80211_M_HOSTAP) {
1465                         error = EINVAL;
1466                         break;
1467                 }
1468                 IEEE80211_NODE_LOCK(nt);
1469                 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1470                 /*
1471                  * Don't do the node update inside the node
1472                  * table lock.  This unfortunately causes LORs
1473                  * with drivers and their TX paths.
1474                  */
1475                 IEEE80211_NODE_UNLOCK(nt);
1476                 if (ni != NULL) {
1477                         mlmedebug(vap, mac, op, reason);
1478                         if (reason == IEEE80211_STATUS_SUCCESS) {
1479                                 IEEE80211_SEND_MGMT(ni,
1480                                     IEEE80211_FC0_SUBTYPE_AUTH, 2);
1481                                 /*
1482                                  * For shared key auth, just continue the
1483                                  * exchange.  Otherwise when 802.1x is not in
1484                                  * use mark the port authorized at this point
1485                                  * so traffic can flow.
1486                                  */
1487                                 if (ni->ni_authmode != IEEE80211_AUTH_8021X &&
1488                                     ni->ni_challenge == NULL)
1489                                       ieee80211_node_authorize(ni);
1490                         } else {
1491                                 vap->iv_stats.is_rx_acl++;
1492                                 ieee80211_send_error(ni, ni->ni_macaddr,
1493                                     IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16));
1494                                 ieee80211_node_leave(ni);
1495                         }
1496                         ieee80211_free_node(ni);
1497                 } else
1498                         error = ENOENT;
1499                 break;
1500         default:
1501                 error = EINVAL;
1502                 break;
1503         }
1504         return error;
1505 }
1506
1507 struct scanlookup {
1508         const uint8_t *mac;
1509         int esslen;
1510         const uint8_t *essid;
1511         const struct ieee80211_scan_entry *se;
1512 };
1513
1514 /*
1515  * Match mac address and any ssid.
1516  */
1517 static void
1518 mlmelookup(void *arg, const struct ieee80211_scan_entry *se)
1519 {
1520         struct scanlookup *look = arg;
1521
1522         if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr))
1523                 return;
1524         if (look->esslen != 0) {
1525                 if (se->se_ssid[1] != look->esslen)
1526                         return;
1527                 if (memcmp(look->essid, se->se_ssid+2, look->esslen))
1528                         return;
1529         }
1530         look->se = se;
1531 }
1532
1533 static int
1534 setmlme_assoc_sta(struct ieee80211vap *vap,
1535         const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1536         const uint8_t ssid[IEEE80211_NWID_LEN])
1537 {
1538         struct scanlookup lookup;
1539
1540         KASSERT(vap->iv_opmode == IEEE80211_M_STA,
1541             ("expected opmode STA not %s",
1542             ieee80211_opmode_name[vap->iv_opmode]));
1543
1544         /* NB: this is racey if roaming is !manual */
1545         lookup.se = NULL;
1546         lookup.mac = mac;
1547         lookup.esslen = ssid_len;
1548         lookup.essid = ssid;
1549         ieee80211_scan_iterate(vap, mlmelookup, &lookup);
1550         if (lookup.se == NULL)
1551                 return ENOENT;
1552         mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0);
1553         if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se))
1554                 return EIO;             /* XXX unique but could be better */
1555         return 0;
1556 }
1557
1558 static int
1559 setmlme_assoc_adhoc(struct ieee80211vap *vap,
1560         const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1561         const uint8_t ssid[IEEE80211_NWID_LEN])
1562 {
1563         struct ieee80211_scan_req *sr;
1564         int error;
1565
1566         KASSERT(vap->iv_opmode == IEEE80211_M_IBSS ||
1567             vap->iv_opmode == IEEE80211_M_AHDEMO,
1568             ("expected opmode IBSS or AHDEMO not %s",
1569             ieee80211_opmode_name[vap->iv_opmode]));
1570
1571         if (ssid_len == 0)
1572                 return EINVAL;
1573
1574         sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP,
1575              IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
1576         if (sr == NULL)
1577                 return ENOMEM;
1578
1579         /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */
1580         memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
1581         vap->iv_des_ssid[0].len = ssid_len;
1582         memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len);
1583         vap->iv_des_nssid = 1;
1584
1585         sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE;
1586         sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER;
1587         memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len);
1588         sr->sr_ssid[0].len = ssid_len;
1589         sr->sr_nssid = 1;
1590
1591         error = ieee80211_scanreq(vap, sr);
1592
1593         IEEE80211_FREE(sr, M_TEMP);
1594         return error;
1595 }
1596
1597 static int
1598 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq)
1599 {
1600         struct ieee80211req_mlme mlme;
1601         int error;
1602
1603         if (ireq->i_len != sizeof(mlme))
1604                 return EINVAL;
1605         error = copyin(ireq->i_data, &mlme, sizeof(mlme));
1606         if (error)
1607                 return error;
1608         if  (vap->iv_opmode == IEEE80211_M_STA &&
1609             mlme.im_op == IEEE80211_MLME_ASSOC)
1610                 return setmlme_assoc_sta(vap, mlme.im_macaddr,
1611                     vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
1612         else if ((vap->iv_opmode == IEEE80211_M_IBSS ||
1613             vap->iv_opmode == IEEE80211_M_AHDEMO) &&
1614             mlme.im_op == IEEE80211_MLME_ASSOC)
1615                 return setmlme_assoc_adhoc(vap, mlme.im_macaddr,
1616                     mlme.im_ssid_len, mlme.im_ssid);
1617         else
1618                 return setmlme_common(vap, mlme.im_op,
1619                     mlme.im_macaddr, mlme.im_reason);
1620 }
1621
1622 static int
1623 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq)
1624 {
1625         uint8_t mac[IEEE80211_ADDR_LEN];
1626         const struct ieee80211_aclator *acl = vap->iv_acl;
1627         int error;
1628
1629         if (ireq->i_len != sizeof(mac))
1630                 return EINVAL;
1631         error = copyin(ireq->i_data, mac, ireq->i_len);
1632         if (error)
1633                 return error;
1634         if (acl == NULL) {
1635                 acl = ieee80211_aclator_get("mac");
1636                 if (acl == NULL || !acl->iac_attach(vap))
1637                         return EINVAL;
1638                 vap->iv_acl = acl;
1639         }
1640         if (ireq->i_type == IEEE80211_IOC_ADDMAC)
1641                 acl->iac_add(vap, mac);
1642         else
1643                 acl->iac_remove(vap, mac);
1644         return 0;
1645 }
1646
1647 static int
1648 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
1649 {
1650         const struct ieee80211_aclator *acl = vap->iv_acl;
1651
1652         switch (ireq->i_val) {
1653         case IEEE80211_MACCMD_POLICY_OPEN:
1654         case IEEE80211_MACCMD_POLICY_ALLOW:
1655         case IEEE80211_MACCMD_POLICY_DENY:
1656         case IEEE80211_MACCMD_POLICY_RADIUS:
1657                 if (acl == NULL) {
1658                         acl = ieee80211_aclator_get("mac");
1659                         if (acl == NULL || !acl->iac_attach(vap))
1660                                 return EINVAL;
1661                         vap->iv_acl = acl;
1662                 }
1663                 acl->iac_setpolicy(vap, ireq->i_val);
1664                 break;
1665         case IEEE80211_MACCMD_FLUSH:
1666                 if (acl != NULL)
1667                         acl->iac_flush(vap);
1668                 /* NB: silently ignore when not in use */
1669                 break;
1670         case IEEE80211_MACCMD_DETACH:
1671                 if (acl != NULL) {
1672                         vap->iv_acl = NULL;
1673                         acl->iac_detach(vap);
1674                 }
1675                 break;
1676         default:
1677                 if (acl == NULL)
1678                         return EINVAL;
1679                 else
1680                         return acl->iac_setioctl(vap, ireq);
1681         }
1682         return 0;
1683 }
1684
1685 static int
1686 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
1687 {
1688         struct ieee80211com *ic = vap->iv_ic;
1689         uint8_t *chanlist, *list;
1690         int i, nchan, maxchan, error;
1691
1692         if (ireq->i_len > sizeof(ic->ic_chan_active))
1693                 ireq->i_len = sizeof(ic->ic_chan_active);
1694         list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP,
1695             IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
1696         if (list == NULL)
1697                 return ENOMEM;
1698         error = copyin(ireq->i_data, list, ireq->i_len);
1699         if (error) {
1700                 IEEE80211_FREE(list, M_TEMP);
1701                 return error;
1702         }
1703         nchan = 0;
1704         chanlist = list + ireq->i_len;          /* NB: zero'd already */
1705         maxchan = ireq->i_len * NBBY;
1706         for (i = 0; i < ic->ic_nchans; i++) {
1707                 const struct ieee80211_channel *c = &ic->ic_channels[i];
1708                 /*
1709                  * Calculate the intersection of the user list and the
1710                  * available channels so users can do things like specify
1711                  * 1-255 to get all available channels.
1712                  */
1713                 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) {
1714                         setbit(chanlist, c->ic_ieee);
1715                         nchan++;
1716                 }
1717         }
1718         if (nchan == 0) {
1719                 IEEE80211_FREE(list, M_TEMP);
1720                 return EINVAL;
1721         }
1722         if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&    /* XXX */
1723             isclr(chanlist, ic->ic_bsschan->ic_ieee))
1724                 ic->ic_bsschan = IEEE80211_CHAN_ANYC;
1725         memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES);
1726         ieee80211_scan_flush(vap);
1727         IEEE80211_FREE(list, M_TEMP);
1728         return ENETRESET;
1729 }
1730
1731 static int
1732 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
1733 {
1734         struct ieee80211_node *ni;
1735         uint8_t macaddr[IEEE80211_ADDR_LEN];
1736         int error;
1737
1738         /*
1739          * NB: we could copyin ieee80211req_sta_stats so apps
1740          *     could make selective changes but that's overkill;
1741          *     just clear all stats for now.
1742          */
1743         if (ireq->i_len < IEEE80211_ADDR_LEN)
1744                 return EINVAL;
1745         error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
1746         if (error != 0)
1747                 return error;
1748         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
1749         if (ni == NULL)
1750                 return ENOENT;
1751         /* XXX require ni_vap == vap? */
1752         memset(&ni->ni_stats, 0, sizeof(ni->ni_stats));
1753         ieee80211_free_node(ni);
1754         return 0;
1755 }
1756
1757 static int
1758 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
1759 {
1760         struct ieee80211_node *ni;
1761         struct ieee80211req_sta_txpow txpow;
1762         int error;
1763
1764         if (ireq->i_len != sizeof(txpow))
1765                 return EINVAL;
1766         error = copyin(ireq->i_data, &txpow, sizeof(txpow));
1767         if (error != 0)
1768                 return error;
1769         ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
1770         if (ni == NULL)
1771                 return ENOENT;
1772         ni->ni_txpower = txpow.it_txpow;
1773         ieee80211_free_node(ni);
1774         return error;
1775 }
1776
1777 static int
1778 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
1779 {
1780         struct ieee80211com *ic = vap->iv_ic;
1781         struct ieee80211_wme_state *wme = &ic->ic_wme;
1782         struct wmeParams *wmep, *chanp;
1783         int isbss, ac, aggrmode;
1784
1785         if ((ic->ic_caps & IEEE80211_C_WME) == 0)
1786                 return EOPNOTSUPP;
1787
1788         isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS);
1789         ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
1790         aggrmode = (wme->wme_flags & WME_F_AGGRMODE);
1791         if (ac >= WME_NUM_AC)
1792                 ac = WME_AC_BE;
1793         if (isbss) {
1794                 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac];
1795                 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1796         } else {
1797                 chanp = &wme->wme_chanParams.cap_wmeParams[ac];
1798                 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1799         }
1800         switch (ireq->i_type) {
1801         case IEEE80211_IOC_WME_CWMIN:           /* WME: CWmin */
1802                 wmep->wmep_logcwmin = ireq->i_val;
1803                 if (!isbss || !aggrmode)
1804                         chanp->wmep_logcwmin = ireq->i_val;
1805                 break;
1806         case IEEE80211_IOC_WME_CWMAX:           /* WME: CWmax */
1807                 wmep->wmep_logcwmax = ireq->i_val;
1808                 if (!isbss || !aggrmode)
1809                         chanp->wmep_logcwmax = ireq->i_val;
1810                 break;
1811         case IEEE80211_IOC_WME_AIFS:            /* WME: AIFS */
1812                 wmep->wmep_aifsn = ireq->i_val;
1813                 if (!isbss || !aggrmode)
1814                         chanp->wmep_aifsn = ireq->i_val;
1815                 break;
1816         case IEEE80211_IOC_WME_TXOPLIMIT:       /* WME: txops limit */
1817                 wmep->wmep_txopLimit = ireq->i_val;
1818                 if (!isbss || !aggrmode)
1819                         chanp->wmep_txopLimit = ireq->i_val;
1820                 break;
1821         case IEEE80211_IOC_WME_ACM:             /* WME: ACM (bss only) */
1822                 wmep->wmep_acm = ireq->i_val;
1823                 if (!aggrmode)
1824                         chanp->wmep_acm = ireq->i_val;
1825                 break;
1826         case IEEE80211_IOC_WME_ACKPOLICY:       /* WME: ACK policy (!bss only)*/
1827                 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy =
1828                         (ireq->i_val) == 0;
1829                 break;
1830         }
1831         ieee80211_wme_updateparams(vap);
1832         return 0;
1833 }
1834
1835 static int
1836 find11gchannel(struct ieee80211com *ic, int start, int freq)
1837 {
1838         const struct ieee80211_channel *c;
1839         int i;
1840
1841         for (i = start+1; i < ic->ic_nchans; i++) {
1842                 c = &ic->ic_channels[i];
1843                 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1844                         return 1;
1845         }
1846         /* NB: should not be needed but in case things are mis-sorted */
1847         for (i = 0; i < start; i++) {
1848                 c = &ic->ic_channels[i];
1849                 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1850                         return 1;
1851         }
1852         return 0;
1853 }
1854
1855 static struct ieee80211_channel *
1856 findchannel(struct ieee80211com *ic, int ieee, int mode)
1857 {
1858         static const u_int chanflags[IEEE80211_MODE_MAX] = {
1859             [IEEE80211_MODE_AUTO]       = 0,
1860             [IEEE80211_MODE_11A]        = IEEE80211_CHAN_A,
1861             [IEEE80211_MODE_11B]        = IEEE80211_CHAN_B,
1862             [IEEE80211_MODE_11G]        = IEEE80211_CHAN_G,
1863             [IEEE80211_MODE_FH]         = IEEE80211_CHAN_FHSS,
1864             [IEEE80211_MODE_TURBO_A]    = IEEE80211_CHAN_108A,
1865             [IEEE80211_MODE_TURBO_G]    = IEEE80211_CHAN_108G,
1866             [IEEE80211_MODE_STURBO_A]   = IEEE80211_CHAN_STURBO,
1867             [IEEE80211_MODE_HALF]       = IEEE80211_CHAN_HALF,
1868             [IEEE80211_MODE_QUARTER]    = IEEE80211_CHAN_QUARTER,
1869             /* NB: handled specially below */
1870             [IEEE80211_MODE_11NA]       = IEEE80211_CHAN_A,
1871             [IEEE80211_MODE_11NG]       = IEEE80211_CHAN_G,
1872         };
1873         u_int modeflags;
1874         int i;
1875
1876         modeflags = chanflags[mode];
1877         for (i = 0; i < ic->ic_nchans; i++) {
1878                 struct ieee80211_channel *c = &ic->ic_channels[i];
1879
1880                 if (c->ic_ieee != ieee)
1881                         continue;
1882                 if (mode == IEEE80211_MODE_AUTO) {
1883                         /* ignore turbo channels for autoselect */
1884                         if (IEEE80211_IS_CHAN_TURBO(c))
1885                                 continue;
1886                         /*
1887                          * XXX special-case 11b/g channels so we
1888                          *     always select the g channel if both
1889                          *     are present.
1890                          * XXX prefer HT to non-HT?
1891                          */
1892                         if (!IEEE80211_IS_CHAN_B(c) ||
1893                             !find11gchannel(ic, i, c->ic_freq))
1894                                 return c;
1895                 } else {
1896                         /* must check HT specially */
1897                         if ((mode == IEEE80211_MODE_11NA ||
1898                             mode == IEEE80211_MODE_11NG) &&
1899                             !IEEE80211_IS_CHAN_HT(c))
1900                                 continue;
1901                         if ((c->ic_flags & modeflags) == modeflags)
1902                                 return c;
1903                 }
1904         }
1905         return NULL;
1906 }
1907
1908 /*
1909  * Check the specified against any desired mode (aka netband).
1910  * This is only used (presently) when operating in hostap mode
1911  * to enforce consistency.
1912  */
1913 static int
1914 check_mode_consistency(const struct ieee80211_channel *c, int mode)
1915 {
1916         KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel"));
1917
1918         switch (mode) {
1919         case IEEE80211_MODE_11B:
1920                 return (IEEE80211_IS_CHAN_B(c));
1921         case IEEE80211_MODE_11G:
1922                 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c));
1923         case IEEE80211_MODE_11A:
1924                 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c));
1925         case IEEE80211_MODE_STURBO_A:
1926                 return (IEEE80211_IS_CHAN_STURBO(c));
1927         case IEEE80211_MODE_11NA:
1928                 return (IEEE80211_IS_CHAN_HTA(c));
1929         case IEEE80211_MODE_11NG:
1930                 return (IEEE80211_IS_CHAN_HTG(c));
1931         }
1932         return 1;
1933
1934 }
1935
1936 /*
1937  * Common code to set the current channel.  If the device
1938  * is up and running this may result in an immediate channel
1939  * change or a kick of the state machine.
1940  */
1941 static int
1942 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c)
1943 {
1944         struct ieee80211com *ic = vap->iv_ic;
1945         int error;
1946
1947         if (c != IEEE80211_CHAN_ANYC) {
1948                 if (IEEE80211_IS_CHAN_RADAR(c))
1949                         return EBUSY;   /* XXX better code? */
1950                 if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
1951                         if (IEEE80211_IS_CHAN_NOHOSTAP(c))
1952                                 return EINVAL;
1953                         if (!check_mode_consistency(c, vap->iv_des_mode))
1954                                 return EINVAL;
1955                 } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
1956                         if (IEEE80211_IS_CHAN_NOADHOC(c))
1957                                 return EINVAL;
1958                 }
1959                 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) &&
1960                     vap->iv_bss->ni_chan == c)
1961                         return 0;       /* NB: nothing to do */
1962         }
1963         vap->iv_des_chan = c;
1964
1965         error = 0;
1966         if (vap->iv_opmode == IEEE80211_M_MONITOR &&
1967             vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1968                 /*
1969                  * Monitor mode can switch directly.
1970                  */
1971                 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) {
1972                         /* XXX need state machine for other vap's to follow */
1973                         ieee80211_setcurchan(ic, vap->iv_des_chan);
1974                         vap->iv_bss->ni_chan = ic->ic_curchan;
1975                 } else
1976                         ic->ic_curchan = vap->iv_des_chan;
1977                         ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
1978         } else {
1979                 /*
1980                  * Need to go through the state machine in case we
1981                  * need to reassociate or the like.  The state machine
1982                  * will pickup the desired channel and avoid scanning.
1983                  */
1984                 if (IS_UP_AUTO(vap))
1985                         ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
1986                 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1987                         /*
1988                          * When not up+running and a real channel has
1989                          * been specified fix the current channel so
1990                          * there is immediate feedback; e.g. via ifconfig.
1991                          */
1992                         ic->ic_curchan = vap->iv_des_chan;
1993                         ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
1994                 }
1995         }
1996         return error;
1997 }
1998
1999 /*
2000  * Old api for setting the current channel; this is
2001  * deprecated because channel numbers are ambiguous.
2002  */
2003 static int
2004 ieee80211_ioctl_setchannel(struct ieee80211vap *vap,
2005         const struct ieee80211req *ireq)
2006 {
2007         struct ieee80211com *ic = vap->iv_ic;
2008         struct ieee80211_channel *c;
2009
2010         /* XXX 0xffff overflows 16-bit signed */
2011         if (ireq->i_val == 0 ||
2012             ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) {
2013                 c = IEEE80211_CHAN_ANYC;
2014         } else {
2015                 struct ieee80211_channel *c2;
2016
2017                 c = findchannel(ic, ireq->i_val, vap->iv_des_mode);
2018                 if (c == NULL) {
2019                         c = findchannel(ic, ireq->i_val,
2020                                 IEEE80211_MODE_AUTO);
2021                         if (c == NULL)
2022                                 return EINVAL;
2023                 }
2024                 /*
2025                  * Fine tune channel selection based on desired mode:
2026                  *   if 11b is requested, find the 11b version of any
2027                  *      11g channel returned,
2028                  *   if static turbo, find the turbo version of any
2029                  *      11a channel return,
2030                  *   if 11na is requested, find the ht version of any
2031                  *      11a channel returned,
2032                  *   if 11ng is requested, find the ht version of any
2033                  *      11g channel returned,
2034                  *   otherwise we should be ok with what we've got.
2035                  */
2036                 switch (vap->iv_des_mode) {
2037                 case IEEE80211_MODE_11B:
2038                         if (IEEE80211_IS_CHAN_ANYG(c)) {
2039                                 c2 = findchannel(ic, ireq->i_val,
2040                                         IEEE80211_MODE_11B);
2041                                 /* NB: should not happen, =>'s 11g w/o 11b */
2042                                 if (c2 != NULL)
2043                                         c = c2;
2044                         }
2045                         break;
2046                 case IEEE80211_MODE_TURBO_A:
2047                         if (IEEE80211_IS_CHAN_A(c)) {
2048                                 c2 = findchannel(ic, ireq->i_val,
2049                                         IEEE80211_MODE_TURBO_A);
2050                                 if (c2 != NULL)
2051                                         c = c2;
2052                         }
2053                         break;
2054                 case IEEE80211_MODE_11NA:
2055                         if (IEEE80211_IS_CHAN_A(c)) {
2056                                 c2 = findchannel(ic, ireq->i_val,
2057                                         IEEE80211_MODE_11NA);
2058                                 if (c2 != NULL)
2059                                         c = c2;
2060                         }
2061                         break;
2062                 case IEEE80211_MODE_11NG:
2063                         if (IEEE80211_IS_CHAN_ANYG(c)) {
2064                                 c2 = findchannel(ic, ireq->i_val,
2065                                         IEEE80211_MODE_11NG);
2066                                 if (c2 != NULL)
2067                                         c = c2;
2068                         }
2069                         break;
2070                 default:                /* NB: no static turboG */
2071                         break;
2072                 }
2073         }
2074         return setcurchan(vap, c);
2075 }
2076
2077 /*
2078  * New/current api for setting the current channel; a complete
2079  * channel description is provide so there is no ambiguity in
2080  * identifying the channel.
2081  */
2082 static int
2083 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap,
2084         const struct ieee80211req *ireq)
2085 {
2086         struct ieee80211com *ic = vap->iv_ic;
2087         struct ieee80211_channel chan, *c;
2088         int error;
2089
2090         if (ireq->i_len != sizeof(chan))
2091                 return EINVAL;
2092         error = copyin(ireq->i_data, &chan, sizeof(chan));
2093         if (error != 0)
2094                 return error;
2095         /* XXX 0xffff overflows 16-bit signed */
2096         if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) {
2097                 c = IEEE80211_CHAN_ANYC;
2098         } else {
2099                 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags);
2100                 if (c == NULL)
2101                         return EINVAL;
2102         }
2103         return setcurchan(vap, c);
2104 }
2105
2106 static int
2107 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap,
2108         const struct ieee80211req *ireq)
2109 {
2110         struct ieee80211_regdomain_req *reg;
2111         int nchans, error;
2112
2113         nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) /
2114             sizeof(struct ieee80211_channel));
2115         if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) {
2116                 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2117                     "%s: bad # chans, i_len %d nchans %d\n", __func__,
2118                     ireq->i_len, nchans);
2119                 return EINVAL;
2120         }
2121         reg = (struct ieee80211_regdomain_req *)
2122             IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP,
2123               IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2124         if (reg == NULL) {
2125                 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2126                     "%s: no memory, nchans %d\n", __func__, nchans);
2127                 return ENOMEM;
2128         }
2129         error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans));
2130         if (error == 0) {
2131                 /* NB: validate inline channel count against storage size */
2132                 if (reg->chaninfo.ic_nchans != nchans) {
2133                         IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2134                             "%s: chan cnt mismatch, %d != %d\n", __func__,
2135                                 reg->chaninfo.ic_nchans, nchans);
2136                         error = EINVAL;
2137                 } else
2138                         error = ieee80211_setregdomain(vap, reg);
2139         }
2140         IEEE80211_FREE(reg, M_TEMP);
2141
2142         return (error == 0 ? ENETRESET : error);
2143 }
2144
2145 static int
2146 ieee80211_ioctl_setroam(struct ieee80211vap *vap,
2147         const struct ieee80211req *ireq)
2148 {
2149         if (ireq->i_len != sizeof(vap->iv_roamparms))
2150                 return EINVAL;
2151         /* XXX validate params */
2152         /* XXX? ENETRESET to push to device? */
2153         return copyin(ireq->i_data, vap->iv_roamparms,
2154             sizeof(vap->iv_roamparms));
2155 }
2156
2157 static int
2158 checkrate(const struct ieee80211_rateset *rs, int rate)
2159 {
2160         int i;
2161
2162         if (rate == IEEE80211_FIXED_RATE_NONE)
2163                 return 1;
2164         for (i = 0; i < rs->rs_nrates; i++)
2165                 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate)
2166                         return 1;
2167         return 0;
2168 }
2169
2170 static int
2171 checkmcs(int mcs)
2172 {
2173         if (mcs == IEEE80211_FIXED_RATE_NONE)
2174                 return 1;
2175         if ((mcs & IEEE80211_RATE_MCS) == 0)    /* MCS always have 0x80 set */
2176                 return 0;
2177         return (mcs & 0x7f) <= 15;      /* XXX could search ht rate set */
2178 }
2179
2180 static int
2181 ieee80211_ioctl_settxparams(struct ieee80211vap *vap,
2182         const struct ieee80211req *ireq)
2183 {
2184         struct ieee80211com *ic = vap->iv_ic;
2185         struct ieee80211_txparams_req parms;    /* XXX stack use? */
2186         struct ieee80211_txparam *src, *dst;
2187         const struct ieee80211_rateset *rs;
2188         int error, mode, changed, is11n, nmodes;
2189
2190         /* NB: accept short requests for backwards compat */
2191         if (ireq->i_len > sizeof(parms))
2192                 return EINVAL;
2193         error = copyin(ireq->i_data, &parms, ireq->i_len);
2194         if (error != 0)
2195                 return error;
2196         nmodes = ireq->i_len / sizeof(struct ieee80211_txparam);
2197         changed = 0;
2198         /* validate parameters and check if anything changed */
2199         for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2200                 if (isclr(ic->ic_modecaps, mode))
2201                         continue;
2202                 src = &parms.params[mode];
2203                 dst = &vap->iv_txparms[mode];
2204                 rs = &ic->ic_sup_rates[mode];   /* NB: 11n maps to legacy */
2205                 is11n = (mode == IEEE80211_MODE_11NA ||
2206                          mode == IEEE80211_MODE_11NG);
2207                 if (src->ucastrate != dst->ucastrate) {
2208                         if (!checkrate(rs, src->ucastrate) &&
2209                             (!is11n || !checkmcs(src->ucastrate)))
2210                                 return EINVAL;
2211                         changed++;
2212                 }
2213                 if (src->mcastrate != dst->mcastrate) {
2214                         if (!checkrate(rs, src->mcastrate) &&
2215                             (!is11n || !checkmcs(src->mcastrate)))
2216                                 return EINVAL;
2217                         changed++;
2218                 }
2219                 if (src->mgmtrate != dst->mgmtrate) {
2220                         if (!checkrate(rs, src->mgmtrate) &&
2221                             (!is11n || !checkmcs(src->mgmtrate)))
2222                                 return EINVAL;
2223                         changed++;
2224                 }
2225                 if (src->maxretry != dst->maxretry)     /* NB: no bounds */
2226                         changed++;
2227         }
2228         if (changed) {
2229                 /*
2230                  * Copy new parameters in place and notify the
2231                  * driver so it can push state to the device.
2232                  */
2233                 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2234                         if (isset(ic->ic_modecaps, mode))
2235                                 vap->iv_txparms[mode] = parms.params[mode];
2236                 }
2237                 /* XXX could be more intelligent,
2238                    e.g. don't reset if setting not being used */
2239                 return ENETRESET;
2240         }
2241         return 0;
2242 }
2243
2244 /*
2245  * Application Information Element support.
2246  */
2247 static int
2248 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq)
2249 {
2250         struct ieee80211_appie *app = *aie;
2251         struct ieee80211_appie *napp;
2252         int error;
2253
2254         if (ireq->i_len == 0) {         /* delete any existing ie */
2255                 if (app != NULL) {
2256                         *aie = NULL;    /* XXX racey */
2257                         IEEE80211_FREE(app, M_80211_NODE_IE);
2258                 }
2259                 return 0;
2260         }
2261         if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE))
2262                 return EINVAL;
2263         /*
2264          * Allocate a new appie structure and copy in the user data.
2265          * When done swap in the new structure.  Note that we do not
2266          * guard against users holding a ref to the old structure;
2267          * this must be handled outside this code.
2268          *
2269          * XXX bad bad bad
2270          */
2271         napp = (struct ieee80211_appie *) IEEE80211_MALLOC(
2272             sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE,
2273             IEEE80211_M_NOWAIT);
2274         if (napp == NULL)
2275                 return ENOMEM;
2276         /* XXX holding ic lock */
2277         error = copyin(ireq->i_data, napp->ie_data, ireq->i_len);
2278         if (error) {
2279                 IEEE80211_FREE(napp, M_80211_NODE_IE);
2280                 return error;
2281         }
2282         napp->ie_len = ireq->i_len;
2283         *aie = napp;
2284         if (app != NULL)
2285                 IEEE80211_FREE(app, M_80211_NODE_IE);
2286         return 0;
2287 }
2288
2289 static void
2290 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space)
2291 {
2292         /* validate data is present as best we can */
2293         if (space == 0 || 2+ie[1] > space)
2294                 return;
2295         if (ie[0] == IEEE80211_ELEMID_VENDOR)
2296                 vap->iv_wpa_ie = ie;
2297         else if (ie[0] == IEEE80211_ELEMID_RSN)
2298                 vap->iv_rsn_ie = ie;
2299 }
2300
2301 static int
2302 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap,
2303         const struct ieee80211req *ireq, int fc0)
2304 {
2305         int error;
2306
2307         IEEE80211_LOCK_ASSERT(vap->iv_ic);
2308
2309         switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
2310         case IEEE80211_FC0_SUBTYPE_BEACON:
2311                 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2312                     vap->iv_opmode != IEEE80211_M_IBSS) {
2313                         error = EINVAL;
2314                         break;
2315                 }
2316                 error = setappie(&vap->iv_appie_beacon, ireq);
2317                 if (error == 0)
2318                         ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE);
2319                 break;
2320         case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
2321                 error = setappie(&vap->iv_appie_proberesp, ireq);
2322                 break;
2323         case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
2324                 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2325                         error = setappie(&vap->iv_appie_assocresp, ireq);
2326                 else
2327                         error = EINVAL;
2328                 break;
2329         case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
2330                 error = setappie(&vap->iv_appie_probereq, ireq);
2331                 break;
2332         case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
2333                 if (vap->iv_opmode == IEEE80211_M_STA)
2334                         error = setappie(&vap->iv_appie_assocreq, ireq);
2335                 else
2336                         error = EINVAL;
2337                 break;
2338         case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK):
2339                 error = setappie(&vap->iv_appie_wpa, ireq);
2340                 if (error == 0) {
2341                         /*
2342                          * Must split single blob of data into separate
2343                          * WPA and RSN ie's because they go in different
2344                          * locations in the mgt frames.
2345                          * XXX use IEEE80211_IOC_WPA2 so user code does split
2346                          */
2347                         vap->iv_wpa_ie = NULL;
2348                         vap->iv_rsn_ie = NULL;
2349                         if (vap->iv_appie_wpa != NULL) {
2350                                 struct ieee80211_appie *appie =
2351                                     vap->iv_appie_wpa;
2352                                 uint8_t *data = appie->ie_data;
2353
2354                                 /* XXX ie length validate is painful, cheat */
2355                                 setwparsnie(vap, data, appie->ie_len);
2356                                 setwparsnie(vap, data + 2 + data[1],
2357                                     appie->ie_len - (2 + data[1]));
2358                         }
2359                         if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2360                             vap->iv_opmode == IEEE80211_M_IBSS) {
2361                                 /*
2362                                  * Must rebuild beacon frame as the update
2363                                  * mechanism doesn't handle WPA/RSN ie's.
2364                                  * Could extend it but it doesn't normally
2365                                  * change; this is just to deal with hostapd
2366                                  * plumbing the ie after the interface is up.
2367                                  */
2368                                 error = ENETRESET;
2369                         }
2370                 }
2371                 break;
2372         default:
2373                 error = EINVAL;
2374                 break;
2375         }
2376         return error;
2377 }
2378
2379 static int
2380 ieee80211_ioctl_setappie(struct ieee80211vap *vap,
2381         const struct ieee80211req *ireq)
2382 {
2383         struct ieee80211com *ic = vap->iv_ic;
2384         int error;
2385         uint8_t fc0;
2386
2387         fc0 = ireq->i_val & 0xff;
2388         if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
2389                 return EINVAL;
2390         /* NB: could check iv_opmode and reject but hardly worth the effort */
2391         IEEE80211_LOCK(ic);
2392         error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0);
2393         IEEE80211_UNLOCK(ic);
2394         return error;
2395 }
2396
2397 static int
2398 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq)
2399 {
2400         struct ieee80211com *ic = vap->iv_ic;
2401         struct ieee80211_chanswitch_req csr;
2402         struct ieee80211_channel *c;
2403         int error;
2404
2405         if (ireq->i_len != sizeof(csr))
2406                 return EINVAL;
2407         error = copyin(ireq->i_data, &csr, sizeof(csr));
2408         if (error != 0)
2409                 return error;
2410         /* XXX adhoc mode not supported */
2411         if (vap->iv_opmode != IEEE80211_M_HOSTAP ||
2412             (vap->iv_flags & IEEE80211_F_DOTH) == 0)
2413                 return EOPNOTSUPP;
2414         c = ieee80211_find_channel(ic,
2415             csr.csa_chan.ic_freq, csr.csa_chan.ic_flags);
2416         if (c == NULL)
2417                 return ENOENT;
2418         IEEE80211_LOCK(ic);
2419         if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0)
2420                 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count);
2421         else if (csr.csa_count == 0)
2422                 ieee80211_csa_cancelswitch(ic);
2423         else
2424                 error = EBUSY;
2425         IEEE80211_UNLOCK(ic);
2426         return error;
2427 }
2428
2429 static int
2430 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr)
2431 {
2432 #define IEEE80211_IOC_SCAN_FLAGS \
2433         (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \
2434          IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \
2435          IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \
2436          IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \
2437          IEEE80211_IOC_SCAN_CHECK)
2438         struct ieee80211com *ic = vap->iv_ic;
2439         int error, i;
2440
2441         /* convert duration */
2442         if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER)
2443                 sr->sr_duration = IEEE80211_SCAN_FOREVER;
2444         else {
2445                 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN ||
2446                     sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX)
2447                         return EINVAL;
2448                 sr->sr_duration = msecs_to_ticks(sr->sr_duration);
2449                 if (sr->sr_duration < 1)
2450                         sr->sr_duration = 1;
2451         }
2452         /* convert min/max channel dwell */
2453         if (sr->sr_mindwell != 0) {
2454                 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell);
2455                 if (sr->sr_mindwell < 1)
2456                         sr->sr_mindwell = 1;
2457         }
2458         if (sr->sr_maxdwell != 0) {
2459                 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell);
2460                 if (sr->sr_maxdwell < 1)
2461                         sr->sr_maxdwell = 1;
2462         }
2463         /* NB: silently reduce ssid count to what is supported */
2464         if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID)
2465                 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID;
2466         for (i = 0; i < sr->sr_nssid; i++)
2467                 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN)
2468                         return EINVAL;
2469         /* cleanse flags just in case, could reject if invalid flags */
2470         sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS;
2471         /*
2472          * Add an implicit NOPICK if the vap is not marked UP.  This
2473          * allows applications to scan without joining a bss (or picking
2474          * a channel and setting up a bss) and without forcing manual
2475          * roaming mode--you just need to mark the parent device UP.
2476          */
2477         if ((vap->iv_ifp->if_flags & IFF_UP) == 0)
2478                 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK;
2479
2480         IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2481             "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n",
2482             __func__, sr->sr_flags,
2483             (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "",
2484             sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid);
2485         /*
2486          * If we are in INIT state then the driver has never had a chance
2487          * to setup hardware state to do a scan; we must use the state
2488          * machine to get us up to the SCAN state but once we reach SCAN
2489          * state we then want to use the supplied params.  Stash the
2490          * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the
2491          * state machines will recognize this and use the stashed params
2492          * to issue the scan request.
2493          *
2494          * Otherwise just invoke the scan machinery directly.
2495          */
2496         IEEE80211_LOCK(ic);
2497         if (ic->ic_nrunning == 0) {
2498                 IEEE80211_UNLOCK(ic);
2499                 return ENXIO;
2500         }
2501
2502         if (vap->iv_state == IEEE80211_S_INIT) {
2503                 /* NB: clobbers previous settings */
2504                 vap->iv_scanreq_flags = sr->sr_flags;
2505                 vap->iv_scanreq_duration = sr->sr_duration;
2506                 vap->iv_scanreq_nssid = sr->sr_nssid;
2507                 for (i = 0; i < sr->sr_nssid; i++) {
2508                         vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len;
2509                         memcpy(vap->iv_scanreq_ssid[i].ssid,
2510                             sr->sr_ssid[i].ssid, sr->sr_ssid[i].len);
2511                 }
2512                 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ;
2513                 IEEE80211_UNLOCK(ic);
2514                 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2515         } else {
2516                 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ;
2517                 IEEE80211_UNLOCK(ic);
2518                 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) {
2519                         error = ieee80211_check_scan(vap, sr->sr_flags,
2520                             sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell,
2521                             sr->sr_nssid,
2522                             /* NB: cheat, we assume structures are compatible */
2523                             (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]);
2524                 } else {
2525                         error = ieee80211_start_scan(vap, sr->sr_flags,
2526                             sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell,
2527                             sr->sr_nssid,
2528                             /* NB: cheat, we assume structures are compatible */
2529                             (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]);
2530                 }
2531                 if (error == 0)
2532                         return EINPROGRESS;
2533         }
2534         return 0;
2535 #undef IEEE80211_IOC_SCAN_FLAGS
2536 }
2537
2538 static int
2539 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq)
2540 {
2541         struct ieee80211_scan_req *sr;
2542         int error;
2543
2544         if (ireq->i_len != sizeof(*sr))
2545                 return EINVAL;
2546         sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP,
2547              IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2548         if (sr == NULL)
2549                 return ENOMEM;
2550         error = copyin(ireq->i_data, sr, sizeof(*sr));
2551         if (error != 0)
2552                 goto bad;
2553         error = ieee80211_scanreq(vap, sr);
2554 bad:
2555         IEEE80211_FREE(sr, M_TEMP);
2556         return error;
2557 }
2558
2559 static int
2560 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
2561 {
2562         struct ieee80211_node *ni;
2563         struct ieee80211req_sta_vlan vlan;
2564         int error;
2565
2566         if (ireq->i_len != sizeof(vlan))
2567                 return EINVAL;
2568         error = copyin(ireq->i_data, &vlan, sizeof(vlan));
2569         if (error != 0)
2570                 return error;
2571         if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
2572                 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
2573                     vlan.sv_macaddr);
2574                 if (ni == NULL)
2575                         return ENOENT;
2576         } else
2577                 ni = ieee80211_ref_node(vap->iv_bss);
2578         ni->ni_vlan = vlan.sv_vlan;
2579         ieee80211_free_node(ni);
2580         return error;
2581 }
2582
2583 static int
2584 isvap11g(const struct ieee80211vap *vap)
2585 {
2586         const struct ieee80211_node *bss = vap->iv_bss;
2587         return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2588             IEEE80211_IS_CHAN_ANYG(bss->ni_chan);
2589 }
2590
2591 static int
2592 isvapht(const struct ieee80211vap *vap)
2593 {
2594         const struct ieee80211_node *bss = vap->iv_bss;
2595         return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2596             IEEE80211_IS_CHAN_HT(bss->ni_chan);
2597 }
2598
2599 /*
2600  * Dummy ioctl set handler so the linker set is defined.
2601  */
2602 static int
2603 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq)
2604 {
2605         return ENOSYS;
2606 }
2607 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set);
2608
2609 static int
2610 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
2611 {
2612         ieee80211_ioctl_setfunc * const *set;
2613         int error;
2614
2615         SET_FOREACH(set, ieee80211_ioctl_setset) {
2616                 error = (*set)(vap, ireq);
2617                 if (error != ENOSYS)
2618                         return error;
2619         }
2620         return EINVAL;
2621 }
2622
2623 static int
2624 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq)
2625 {
2626         struct ieee80211com *ic = vap->iv_ic;
2627         int error;
2628         const struct ieee80211_authenticator *auth;
2629         uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
2630         char tmpssid[IEEE80211_NWID_LEN];
2631         uint8_t tmpbssid[IEEE80211_ADDR_LEN];
2632         struct ieee80211_key *k;
2633         u_int kid;
2634         uint32_t flags;
2635
2636         error = 0;
2637         switch (ireq->i_type) {
2638         case IEEE80211_IOC_SSID:
2639                 if (ireq->i_val != 0 ||
2640                     ireq->i_len > IEEE80211_NWID_LEN)
2641                         return EINVAL;
2642                 error = copyin(ireq->i_data, tmpssid, ireq->i_len);
2643                 if (error)
2644                         break;
2645                 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
2646                 vap->iv_des_ssid[0].len = ireq->i_len;
2647                 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len);
2648                 vap->iv_des_nssid = (ireq->i_len > 0);
2649                 error = ENETRESET;
2650                 break;
2651         case IEEE80211_IOC_WEP:
2652                 switch (ireq->i_val) {
2653                 case IEEE80211_WEP_OFF:
2654                         vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2655                         vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2656                         break;
2657                 case IEEE80211_WEP_ON:
2658                         vap->iv_flags |= IEEE80211_F_PRIVACY;
2659                         vap->iv_flags |= IEEE80211_F_DROPUNENC;
2660                         break;
2661                 case IEEE80211_WEP_MIXED:
2662                         vap->iv_flags |= IEEE80211_F_PRIVACY;
2663                         vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2664                         break;
2665                 }
2666                 error = ENETRESET;
2667                 break;
2668         case IEEE80211_IOC_WEPKEY:
2669                 kid = (u_int) ireq->i_val;
2670                 if (kid >= IEEE80211_WEP_NKID)
2671                         return EINVAL;
2672                 k = &vap->iv_nw_keys[kid];
2673                 if (ireq->i_len == 0) {
2674                         /* zero-len =>'s delete any existing key */
2675                         (void) ieee80211_crypto_delkey(vap, k);
2676                         break;
2677                 }
2678                 if (ireq->i_len > sizeof(tmpkey))
2679                         return EINVAL;
2680                 memset(tmpkey, 0, sizeof(tmpkey));
2681                 error = copyin(ireq->i_data, tmpkey, ireq->i_len);
2682                 if (error)
2683                         break;
2684                 ieee80211_key_update_begin(vap);
2685                 k->wk_keyix = kid;      /* NB: force fixed key id */
2686                 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP,
2687                     IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) {
2688                         k->wk_keylen = ireq->i_len;
2689                         memcpy(k->wk_key, tmpkey, sizeof(tmpkey));
2690                         IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr);
2691                         if  (!ieee80211_crypto_setkey(vap, k))
2692                                 error = EINVAL;
2693                 } else
2694                         error = EINVAL;
2695                 ieee80211_key_update_end(vap);
2696                 break;
2697         case IEEE80211_IOC_WEPTXKEY:
2698                 kid = (u_int) ireq->i_val;
2699                 if (kid >= IEEE80211_WEP_NKID &&
2700                     (uint16_t) kid != IEEE80211_KEYIX_NONE)
2701                         return EINVAL;
2702                 /*
2703                  * Firmware devices may need to be told about an explicit
2704                  * key index here, versus just inferring it from the
2705                  * key set / change.  Since we may also need to pause
2706                  * things like transmit before the key is updated,
2707                  * give the driver a chance to flush things by tying
2708                  * into key update begin/end.
2709                  */
2710                 ieee80211_key_update_begin(vap);
2711                 ieee80211_crypto_set_deftxkey(vap, kid);
2712                 ieee80211_key_update_end(vap);
2713                 break;
2714         case IEEE80211_IOC_AUTHMODE:
2715                 switch (ireq->i_val) {
2716                 case IEEE80211_AUTH_WPA:
2717                 case IEEE80211_AUTH_8021X:      /* 802.1x */
2718                 case IEEE80211_AUTH_OPEN:       /* open */
2719                 case IEEE80211_AUTH_SHARED:     /* shared-key */
2720                 case IEEE80211_AUTH_AUTO:       /* auto */
2721                         auth = ieee80211_authenticator_get(ireq->i_val);
2722                         if (auth == NULL)
2723                                 return EINVAL;
2724                         break;
2725                 default:
2726                         return EINVAL;
2727                 }
2728                 switch (ireq->i_val) {
2729                 case IEEE80211_AUTH_WPA:        /* WPA w/ 802.1x */
2730                         vap->iv_flags |= IEEE80211_F_PRIVACY;
2731                         ireq->i_val = IEEE80211_AUTH_8021X;
2732                         break;
2733                 case IEEE80211_AUTH_OPEN:       /* open */
2734                         vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY);
2735                         break;
2736                 case IEEE80211_AUTH_SHARED:     /* shared-key */
2737                 case IEEE80211_AUTH_8021X:      /* 802.1x */
2738                         vap->iv_flags &= ~IEEE80211_F_WPA;
2739                         /* both require a key so mark the PRIVACY capability */
2740                         vap->iv_flags |= IEEE80211_F_PRIVACY;
2741                         break;
2742                 case IEEE80211_AUTH_AUTO:       /* auto */
2743                         vap->iv_flags &= ~IEEE80211_F_WPA;
2744                         /* XXX PRIVACY handling? */
2745                         /* XXX what's the right way to do this? */
2746                         break;
2747                 }
2748                 /* NB: authenticator attach/detach happens on state change */
2749                 vap->iv_bss->ni_authmode = ireq->i_val;
2750                 /* XXX mixed/mode/usage? */
2751                 vap->iv_auth = auth;
2752                 error = ENETRESET;
2753                 break;
2754         case IEEE80211_IOC_CHANNEL:
2755                 error = ieee80211_ioctl_setchannel(vap, ireq);
2756                 break;
2757         case IEEE80211_IOC_POWERSAVE:
2758                 switch (ireq->i_val) {
2759                 case IEEE80211_POWERSAVE_OFF:
2760                         if (vap->iv_flags & IEEE80211_F_PMGTON) {
2761                                 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON);
2762                                 error = ERESTART;
2763                         }
2764                         break;
2765                 case IEEE80211_POWERSAVE_ON:
2766                         if ((vap->iv_caps & IEEE80211_C_PMGT) == 0)
2767                                 error = EOPNOTSUPP;
2768                         else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) {
2769                                 ieee80211_syncflag(vap, IEEE80211_F_PMGTON);
2770                                 error = ERESTART;
2771                         }
2772                         break;
2773                 default:
2774                         error = EINVAL;
2775                         break;
2776                 }
2777                 break;
2778         case IEEE80211_IOC_POWERSAVESLEEP:
2779                 if (ireq->i_val < 0)
2780                         return EINVAL;
2781                 ic->ic_lintval = ireq->i_val;
2782                 error = ERESTART;
2783                 break;
2784         case IEEE80211_IOC_RTSTHRESHOLD:
2785                 if (!(IEEE80211_RTS_MIN <= ireq->i_val &&
2786                       ireq->i_val <= IEEE80211_RTS_MAX))
2787                         return EINVAL;
2788                 vap->iv_rtsthreshold = ireq->i_val;
2789                 error = ERESTART;
2790                 break;
2791         case IEEE80211_IOC_PROTMODE:
2792                 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
2793                         return EINVAL;
2794                 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val;
2795                 /* NB: if not operating in 11g this can wait */
2796                 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
2797                     IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
2798                         error = ERESTART;
2799                 break;
2800         case IEEE80211_IOC_TXPOWER:
2801                 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
2802                         return EOPNOTSUPP;
2803                 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val &&
2804                       ireq->i_val <= IEEE80211_TXPOWER_MAX))
2805                         return EINVAL;
2806                 ic->ic_txpowlimit = ireq->i_val;
2807                 error = ERESTART;
2808                 break;
2809         case IEEE80211_IOC_ROAMING:
2810                 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val &&
2811                     ireq->i_val <= IEEE80211_ROAMING_MANUAL))
2812                         return EINVAL;
2813                 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val;
2814                 /* XXXX reset? */
2815                 break;
2816         case IEEE80211_IOC_PRIVACY:
2817                 if (ireq->i_val) {
2818                         /* XXX check for key state? */
2819                         vap->iv_flags |= IEEE80211_F_PRIVACY;
2820                 } else
2821                         vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2822                 /* XXX ERESTART? */
2823                 break;
2824         case IEEE80211_IOC_DROPUNENCRYPTED:
2825                 if (ireq->i_val)
2826                         vap->iv_flags |= IEEE80211_F_DROPUNENC;
2827                 else
2828                         vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2829                 /* XXX ERESTART? */
2830                 break;
2831         case IEEE80211_IOC_WPAKEY:
2832                 error = ieee80211_ioctl_setkey(vap, ireq);
2833                 break;
2834         case IEEE80211_IOC_DELKEY:
2835                 error = ieee80211_ioctl_delkey(vap, ireq);
2836                 break;
2837         case IEEE80211_IOC_MLME:
2838                 error = ieee80211_ioctl_setmlme(vap, ireq);
2839                 break;
2840         case IEEE80211_IOC_COUNTERMEASURES:
2841                 if (ireq->i_val) {
2842                         if ((vap->iv_flags & IEEE80211_F_WPA) == 0)
2843                                 return EOPNOTSUPP;
2844                         vap->iv_flags |= IEEE80211_F_COUNTERM;
2845                 } else
2846                         vap->iv_flags &= ~IEEE80211_F_COUNTERM;
2847                 /* XXX ERESTART? */
2848                 break;
2849         case IEEE80211_IOC_WPA:
2850                 if (ireq->i_val > 3)
2851                         return EINVAL;
2852                 /* XXX verify ciphers available */
2853                 flags = vap->iv_flags & ~IEEE80211_F_WPA;
2854                 switch (ireq->i_val) {
2855                 case 0:
2856                         /* wpa_supplicant calls this to clear the WPA config */
2857                         break;
2858                 case 1:
2859                         if (!(vap->iv_caps & IEEE80211_C_WPA1))
2860                                 return EOPNOTSUPP;
2861                         flags |= IEEE80211_F_WPA1;
2862                         break;
2863                 case 2:
2864                         if (!(vap->iv_caps & IEEE80211_C_WPA2))
2865                                 return EOPNOTSUPP;
2866                         flags |= IEEE80211_F_WPA2;
2867                         break;
2868                 case 3:
2869                         if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA)
2870                                 return EOPNOTSUPP;
2871                         flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2;
2872                         break;
2873                 default:        /*  Can't set any -> error */
2874                         return EOPNOTSUPP;
2875                 }
2876                 vap->iv_flags = flags;
2877                 error = ERESTART;       /* NB: can change beacon frame */
2878                 break;
2879         case IEEE80211_IOC_WME:
2880                 if (ireq->i_val) {
2881                         if ((vap->iv_caps & IEEE80211_C_WME) == 0)
2882                                 return EOPNOTSUPP;
2883                         ieee80211_syncflag(vap, IEEE80211_F_WME);
2884                 } else
2885                         ieee80211_syncflag(vap, -IEEE80211_F_WME);
2886                 error = ERESTART;       /* NB: can change beacon frame */
2887                 break;
2888         case IEEE80211_IOC_HIDESSID:
2889                 if (ireq->i_val)
2890                         vap->iv_flags |= IEEE80211_F_HIDESSID;
2891                 else
2892                         vap->iv_flags &= ~IEEE80211_F_HIDESSID;
2893                 error = ERESTART;               /* XXX ENETRESET? */
2894                 break;
2895         case IEEE80211_IOC_APBRIDGE:
2896                 if (ireq->i_val == 0)
2897                         vap->iv_flags |= IEEE80211_F_NOBRIDGE;
2898                 else
2899                         vap->iv_flags &= ~IEEE80211_F_NOBRIDGE;
2900                 break;
2901         case IEEE80211_IOC_BSSID:
2902                 if (ireq->i_len != sizeof(tmpbssid))
2903                         return EINVAL;
2904                 error = copyin(ireq->i_data, tmpbssid, ireq->i_len);
2905                 if (error)
2906                         break;
2907                 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid);
2908                 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid))
2909                         vap->iv_flags &= ~IEEE80211_F_DESBSSID;
2910                 else
2911                         vap->iv_flags |= IEEE80211_F_DESBSSID;
2912                 error = ENETRESET;
2913                 break;
2914         case IEEE80211_IOC_CHANLIST:
2915                 error = ieee80211_ioctl_setchanlist(vap, ireq);
2916                 break;
2917 #define OLD_IEEE80211_IOC_SCAN_REQ      23
2918 #ifdef OLD_IEEE80211_IOC_SCAN_REQ
2919         case OLD_IEEE80211_IOC_SCAN_REQ:
2920                 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2921                         "%s: active scan request\n", __func__);
2922                 /*
2923                  * If we are in INIT state then the driver has never
2924                  * had a chance to setup hardware state to do a scan;
2925                  * use the state machine to get us up the SCAN state.
2926                  * Otherwise just invoke the scan machinery to start
2927                  * a one-time scan.
2928                  */
2929                 if (vap->iv_state == IEEE80211_S_INIT)
2930                         ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2931                 else
2932                         (void) ieee80211_start_scan(vap,
2933                                 IEEE80211_SCAN_ACTIVE |
2934                                 IEEE80211_SCAN_NOPICK |
2935                                 IEEE80211_SCAN_ONCE,
2936                                 IEEE80211_SCAN_FOREVER, 0, 0,
2937                                 /* XXX use ioctl params */
2938                                 vap->iv_des_nssid, vap->iv_des_ssid);
2939                 break;
2940 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */
2941         case IEEE80211_IOC_SCAN_REQ:
2942                 error = ieee80211_ioctl_scanreq(vap, ireq);
2943                 break;
2944         case IEEE80211_IOC_SCAN_CANCEL:
2945                 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2946                     "%s: cancel scan\n", __func__);
2947                 ieee80211_cancel_scan(vap);
2948                 break;
2949         case IEEE80211_IOC_HTCONF:
2950                 if (ireq->i_val & 1)
2951                         ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT);
2952                 else
2953                         ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT);
2954                 if (ireq->i_val & 2)
2955                         ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40);
2956                 else
2957                         ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40);
2958                 error = ENETRESET;
2959                 break;
2960         case IEEE80211_IOC_ADDMAC:
2961         case IEEE80211_IOC_DELMAC:
2962                 error = ieee80211_ioctl_macmac(vap, ireq);
2963                 break;
2964         case IEEE80211_IOC_MACCMD:
2965                 error = ieee80211_ioctl_setmaccmd(vap, ireq);
2966                 break;
2967         case IEEE80211_IOC_STA_STATS:
2968                 error = ieee80211_ioctl_setstastats(vap, ireq);
2969                 break;
2970         case IEEE80211_IOC_STA_TXPOW:
2971                 error = ieee80211_ioctl_setstatxpow(vap, ireq);
2972                 break;
2973         case IEEE80211_IOC_WME_CWMIN:           /* WME: CWmin */
2974         case IEEE80211_IOC_WME_CWMAX:           /* WME: CWmax */
2975         case IEEE80211_IOC_WME_AIFS:            /* WME: AIFS */
2976         case IEEE80211_IOC_WME_TXOPLIMIT:       /* WME: txops limit */
2977         case IEEE80211_IOC_WME_ACM:             /* WME: ACM (bss only) */
2978         case IEEE80211_IOC_WME_ACKPOLICY:       /* WME: ACK policy (!bss only) */
2979                 error = ieee80211_ioctl_setwmeparam(vap, ireq);
2980                 break;
2981         case IEEE80211_IOC_DTIM_PERIOD:
2982                 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2983                     vap->iv_opmode != IEEE80211_M_MBSS &&
2984                     vap->iv_opmode != IEEE80211_M_IBSS)
2985                         return EINVAL;
2986                 if (IEEE80211_DTIM_MIN <= ireq->i_val &&
2987                     ireq->i_val <= IEEE80211_DTIM_MAX) {
2988                         vap->iv_dtim_period = ireq->i_val;
2989                         error = ENETRESET;              /* requires restart */
2990                 } else
2991                         error = EINVAL;
2992                 break;
2993         case IEEE80211_IOC_BEACON_INTERVAL:
2994                 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2995                     vap->iv_opmode != IEEE80211_M_MBSS &&
2996                     vap->iv_opmode != IEEE80211_M_IBSS)
2997                         return EINVAL;
2998                 if (IEEE80211_BINTVAL_MIN <= ireq->i_val &&
2999                     ireq->i_val <= IEEE80211_BINTVAL_MAX) {
3000                         ic->ic_bintval = ireq->i_val;
3001                         error = ENETRESET;              /* requires restart */
3002                 } else
3003                         error = EINVAL;
3004                 break;
3005         case IEEE80211_IOC_PUREG:
3006                 if (ireq->i_val)
3007                         vap->iv_flags |= IEEE80211_F_PUREG;
3008                 else
3009                         vap->iv_flags &= ~IEEE80211_F_PUREG;
3010                 /* NB: reset only if we're operating on an 11g channel */
3011                 if (isvap11g(vap))
3012                         error = ENETRESET;
3013                 break;
3014         case IEEE80211_IOC_QUIET:
3015                 vap->iv_quiet= ireq->i_val;
3016                 break;
3017         case IEEE80211_IOC_QUIET_COUNT:
3018                 vap->iv_quiet_count=ireq->i_val;
3019                 break;
3020         case IEEE80211_IOC_QUIET_PERIOD:
3021                 vap->iv_quiet_period=ireq->i_val;
3022                 break;
3023         case IEEE80211_IOC_QUIET_OFFSET:
3024                 vap->iv_quiet_offset=ireq->i_val;
3025                 break;
3026         case IEEE80211_IOC_QUIET_DUR:
3027                 if(ireq->i_val < vap->iv_bss->ni_intval)
3028                         vap->iv_quiet_duration = ireq->i_val;
3029                 else
3030                         error = EINVAL;
3031                 break;
3032         case IEEE80211_IOC_BGSCAN:
3033                 if (ireq->i_val) {
3034                         if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0)
3035                                 return EOPNOTSUPP;
3036                         vap->iv_flags |= IEEE80211_F_BGSCAN;
3037                 } else
3038                         vap->iv_flags &= ~IEEE80211_F_BGSCAN;
3039                 break;
3040         case IEEE80211_IOC_BGSCAN_IDLE:
3041                 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN)
3042                         vap->iv_bgscanidle = ireq->i_val*hz/1000;
3043                 else
3044                         error = EINVAL;
3045                 break;
3046         case IEEE80211_IOC_BGSCAN_INTERVAL:
3047                 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN)
3048                         vap->iv_bgscanintvl = ireq->i_val*hz;
3049                 else
3050                         error = EINVAL;
3051                 break;
3052         case IEEE80211_IOC_SCANVALID:
3053                 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN)
3054                         vap->iv_scanvalid = ireq->i_val*hz;
3055                 else
3056                         error = EINVAL;
3057                 break;
3058         case IEEE80211_IOC_FRAGTHRESHOLD:
3059                 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 &&
3060                     ireq->i_val != IEEE80211_FRAG_MAX)
3061                         return EOPNOTSUPP;
3062                 if (!(IEEE80211_FRAG_MIN <= ireq->i_val &&
3063                       ireq->i_val <= IEEE80211_FRAG_MAX))
3064                         return EINVAL;
3065                 vap->iv_fragthreshold = ireq->i_val;
3066                 error = ERESTART;
3067                 break;
3068         case IEEE80211_IOC_BURST:
3069                 if (ireq->i_val) {
3070                         if ((vap->iv_caps & IEEE80211_C_BURST) == 0)
3071                                 return EOPNOTSUPP;
3072                         ieee80211_syncflag(vap, IEEE80211_F_BURST);
3073                 } else
3074                         ieee80211_syncflag(vap, -IEEE80211_F_BURST);
3075                 error = ERESTART;
3076                 break;
3077         case IEEE80211_IOC_BMISSTHRESHOLD:
3078                 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val &&
3079                       ireq->i_val <= IEEE80211_HWBMISS_MAX))
3080                         return EINVAL;
3081                 vap->iv_bmissthreshold = ireq->i_val;
3082                 error = ERESTART;
3083                 break;
3084         case IEEE80211_IOC_CURCHAN:
3085                 error = ieee80211_ioctl_setcurchan(vap, ireq);
3086                 break;
3087         case IEEE80211_IOC_SHORTGI:
3088                 if (ireq->i_val) {
3089 #define IEEE80211_HTCAP_SHORTGI \
3090         (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40)
3091                         if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0)
3092                                 return EINVAL;
3093                         if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20)
3094                                 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20;
3095                         if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40)
3096                                 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40;
3097 #undef IEEE80211_HTCAP_SHORTGI
3098                 } else
3099                         vap->iv_flags_ht &=
3100                             ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40);
3101                 error = ERESTART;
3102                 break;
3103         case IEEE80211_IOC_AMPDU:
3104                 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0)
3105                         return EINVAL;
3106                 if (ireq->i_val & 1)
3107                         vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX;
3108                 else
3109                         vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX;
3110                 if (ireq->i_val & 2)
3111                         vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX;
3112                 else
3113                         vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX;
3114                 /* NB: reset only if we're operating on an 11n channel */
3115                 if (isvapht(vap))
3116                         error = ERESTART;
3117                 break;
3118         case IEEE80211_IOC_AMPDU_LIMIT:
3119                 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */
3120                 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val &&
3121                       ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K))
3122                         return EINVAL;
3123                 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3124                         vap->iv_ampdu_rxmax = ireq->i_val;
3125                 else
3126                         vap->iv_ampdu_limit = ireq->i_val;
3127                 error = ERESTART;
3128                 break;
3129         case IEEE80211_IOC_AMPDU_DENSITY:
3130                 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val &&
3131                       ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16))
3132                         return EINVAL;
3133                 vap->iv_ampdu_density = ireq->i_val;
3134                 error = ERESTART;
3135                 break;
3136         case IEEE80211_IOC_AMSDU:
3137                 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0)
3138                         return EINVAL;
3139                 if (ireq->i_val & 1)
3140                         vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX;
3141                 else
3142                         vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX;
3143                 if (ireq->i_val & 2)
3144                         vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX;
3145                 else
3146                         vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX;
3147                 /* NB: reset only if we're operating on an 11n channel */
3148                 if (isvapht(vap))
3149                         error = ERESTART;
3150                 break;
3151         case IEEE80211_IOC_AMSDU_LIMIT:
3152                 /* XXX validate */
3153                 vap->iv_amsdu_limit = ireq->i_val;      /* XXX truncation? */
3154                 break;
3155         case IEEE80211_IOC_PUREN:
3156                 if (ireq->i_val) {
3157                         if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3158                                 return EINVAL;
3159                         vap->iv_flags_ht |= IEEE80211_FHT_PUREN;
3160                 } else
3161                         vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN;
3162                 /* NB: reset only if we're operating on an 11n channel */
3163                 if (isvapht(vap))
3164                         error = ERESTART;
3165                 break;
3166         case IEEE80211_IOC_DOTH:
3167                 if (ireq->i_val) {
3168 #if 0
3169                         /* XXX no capability */
3170                         if ((vap->iv_caps & IEEE80211_C_DOTH) == 0)
3171                                 return EOPNOTSUPP;
3172 #endif
3173                         vap->iv_flags |= IEEE80211_F_DOTH;
3174                 } else
3175                         vap->iv_flags &= ~IEEE80211_F_DOTH;
3176                 error = ENETRESET;
3177                 break;
3178         case IEEE80211_IOC_REGDOMAIN:
3179                 error = ieee80211_ioctl_setregdomain(vap, ireq);
3180                 break;
3181         case IEEE80211_IOC_ROAM:
3182                 error = ieee80211_ioctl_setroam(vap, ireq);
3183                 break;
3184         case IEEE80211_IOC_TXPARAMS:
3185                 error = ieee80211_ioctl_settxparams(vap, ireq);
3186                 break;
3187         case IEEE80211_IOC_HTCOMPAT:
3188                 if (ireq->i_val) {
3189                         if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3190                                 return EOPNOTSUPP;
3191                         vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT;
3192                 } else
3193                         vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT;
3194                 /* NB: reset only if we're operating on an 11n channel */
3195                 if (isvapht(vap))
3196                         error = ERESTART;
3197                 break;
3198         case IEEE80211_IOC_DWDS:
3199                 if (ireq->i_val) {
3200                         /* NB: DWDS only makes sense for WDS-capable devices */
3201                         if ((ic->ic_caps & IEEE80211_C_WDS) == 0)
3202                                 return EOPNOTSUPP;
3203                         /* NB: DWDS is used only with ap+sta vaps */
3204                         if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3205                             vap->iv_opmode != IEEE80211_M_STA)
3206                                 return EINVAL;
3207                         vap->iv_flags |= IEEE80211_F_DWDS;
3208                         if (vap->iv_opmode == IEEE80211_M_STA)
3209                                 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR;
3210                 } else {
3211                         vap->iv_flags &= ~IEEE80211_F_DWDS;
3212                         if (vap->iv_opmode == IEEE80211_M_STA)
3213                                 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR;
3214                 }
3215                 break;
3216         case IEEE80211_IOC_INACTIVITY:
3217                 if (ireq->i_val)
3218                         vap->iv_flags_ext |= IEEE80211_FEXT_INACT;
3219                 else
3220                         vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT;
3221                 break;
3222         case IEEE80211_IOC_APPIE:
3223                 error = ieee80211_ioctl_setappie(vap, ireq);
3224                 break;
3225         case IEEE80211_IOC_WPS:
3226                 if (ireq->i_val) {
3227                         if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3228                                 return EOPNOTSUPP;
3229                         vap->iv_flags_ext |= IEEE80211_FEXT_WPS;
3230                 } else
3231                         vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS;
3232                 break;
3233         case IEEE80211_IOC_TSN:
3234                 if (ireq->i_val) {
3235                         if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3236                                 return EOPNOTSUPP;
3237                         vap->iv_flags_ext |= IEEE80211_FEXT_TSN;
3238                 } else
3239                         vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN;
3240                 break;
3241         case IEEE80211_IOC_CHANSWITCH:
3242                 error = ieee80211_ioctl_chanswitch(vap, ireq);
3243                 break;
3244         case IEEE80211_IOC_DFS:
3245                 if (ireq->i_val) {
3246                         if ((vap->iv_caps & IEEE80211_C_DFS) == 0)
3247                                 return EOPNOTSUPP;
3248                         /* NB: DFS requires 11h support */
3249                         if ((vap->iv_flags & IEEE80211_F_DOTH) == 0)
3250                                 return EINVAL;
3251                         vap->iv_flags_ext |= IEEE80211_FEXT_DFS;
3252                 } else
3253                         vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS;
3254                 break;
3255         case IEEE80211_IOC_DOTD:
3256                 if (ireq->i_val)
3257                         vap->iv_flags_ext |= IEEE80211_FEXT_DOTD;
3258                 else
3259                         vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD;
3260                 if (vap->iv_opmode == IEEE80211_M_STA)
3261                         error = ENETRESET;
3262                 break;
3263         case IEEE80211_IOC_HTPROTMODE:
3264                 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
3265                         return EINVAL;
3266                 ic->ic_htprotmode = ireq->i_val ?
3267                     IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE;
3268                 /* NB: if not operating in 11n this can wait */
3269                 if (isvapht(vap))
3270                         error = ERESTART;
3271                 break;
3272         case IEEE80211_IOC_STA_VLAN:
3273                 error = ieee80211_ioctl_setstavlan(vap, ireq);
3274                 break;
3275         case IEEE80211_IOC_SMPS:
3276                 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 ||
3277                     ireq->i_val == 0x0008)      /* value of 2 is reserved */
3278                         return EINVAL;
3279                 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF &&
3280                     (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0)
3281                         return EOPNOTSUPP;
3282                 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) |
3283                         ireq->i_val;
3284                 /* NB: if not operating in 11n this can wait */
3285                 if (isvapht(vap))
3286                         error = ERESTART;
3287                 break;
3288         case IEEE80211_IOC_RIFS:
3289                 if (ireq->i_val != 0) {
3290                         if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0)
3291                                 return EOPNOTSUPP;
3292                         vap->iv_flags_ht |= IEEE80211_FHT_RIFS;
3293                 } else
3294                         vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS;
3295                 /* NB: if not operating in 11n this can wait */
3296                 if (isvapht(vap))
3297                         error = ERESTART;
3298                 break;
3299         case IEEE80211_IOC_STBC:
3300                 /* Check if we can do STBC TX/RX before changing the setting */
3301                 if ((ireq->i_val & 1) &&
3302                     ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0))
3303                         return EOPNOTSUPP;
3304                 if ((ireq->i_val & 2) &&
3305                     ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0))
3306                         return EOPNOTSUPP;
3307
3308                 /* TX */
3309                 if (ireq->i_val & 1)
3310                         vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX;
3311                 else
3312                         vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX;
3313
3314                 /* RX */
3315                 if (ireq->i_val & 2)
3316                         vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX;
3317                 else
3318                         vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX;
3319
3320                 /* NB: reset only if we're operating on an 11n channel */
3321                 if (isvapht(vap))
3322                         error = ERESTART;
3323                 break;
3324         default:
3325                 error = ieee80211_ioctl_setdefault(vap, ireq);
3326                 break;
3327         }
3328         /*
3329          * The convention is that ENETRESET means an operation
3330          * requires a complete re-initialization of the device (e.g.
3331          * changing something that affects the association state).
3332          * ERESTART means the request may be handled with only a
3333          * reload of the hardware state.  We hand ERESTART requests
3334          * to the iv_reset callback so the driver can decide.  If
3335          * a device does not fillin iv_reset then it defaults to one
3336          * that returns ENETRESET.  Otherwise a driver may return
3337          * ENETRESET (in which case a full reset will be done) or
3338          * 0 to mean there's no need to do anything (e.g. when the
3339          * change has no effect on the driver/device).
3340          */
3341         if (error == ERESTART)
3342                 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ?
3343                     vap->iv_reset(vap, ireq->i_type) : 0;
3344         if (error == ENETRESET) {
3345                 /* XXX need to re-think AUTO handling */
3346                 if (IS_UP_AUTO(vap))
3347                         ieee80211_init(vap);
3348                 error = 0;
3349         }
3350         return error;
3351 }
3352
3353 int
3354 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
3355 {
3356         struct ieee80211vap *vap = ifp->if_softc;
3357         struct ieee80211com *ic = vap->iv_ic;
3358         int error = 0, wait = 0;
3359         struct ifreq *ifr;
3360         struct ifaddr *ifa;                     /* XXX */
3361
3362         switch (cmd) {
3363         case SIOCSIFFLAGS:
3364                 IEEE80211_LOCK(ic);
3365                 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) {
3366                         /*
3367                          * Enable promiscuous mode when:
3368                          * 1. Interface is not a member of bridge, or
3369                          * 2. Requested by user, or
3370                          * 3. In monitor (or adhoc-demo) mode.
3371                          */
3372                         if (ifp->if_bridge == NULL ||
3373                             (ifp->if_flags & IFF_PPROMISC) != 0 ||
3374                             vap->iv_opmode == IEEE80211_M_MONITOR ||
3375                             (vap->iv_opmode == IEEE80211_M_AHDEMO &&
3376                             (vap->iv_caps & IEEE80211_C_TDMA) == 0)) {
3377                                 ieee80211_promisc(vap,
3378                                     ifp->if_flags & IFF_PROMISC);
3379                                 vap->iv_ifflags ^= IFF_PROMISC;
3380                         }
3381                 }
3382                 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) {
3383                         ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI);
3384                         vap->iv_ifflags ^= IFF_ALLMULTI;
3385                 }
3386                 if (ifp->if_flags & IFF_UP) {
3387                         /*
3388                          * Bring ourself up unless we're already operational.
3389                          * If we're the first vap and the parent is not up
3390                          * then it will automatically be brought up as a
3391                          * side-effect of bringing ourself up.
3392                          */
3393                         if (vap->iv_state == IEEE80211_S_INIT) {
3394                                 if (ic->ic_nrunning == 0)
3395                                         wait = 1;
3396                                 ieee80211_start_locked(vap);
3397                         }
3398                 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
3399                         /*
3400                          * Stop ourself.  If we are the last vap to be
3401                          * marked down the parent will also be taken down.
3402                          */
3403                         if (ic->ic_nrunning == 1)
3404                                 wait = 1;
3405                         ieee80211_stop_locked(vap);
3406                 }
3407                 IEEE80211_UNLOCK(ic);
3408                 /* Wait for parent ioctl handler if it was queued */
3409                 if (wait) {
3410                         ieee80211_waitfor_parent(ic);
3411
3412                         /*
3413                          * Check if the MAC address was changed
3414                          * via SIOCSIFLLADDR ioctl.
3415                          */
3416                         if_addr_rlock(ifp);
3417                         if ((ifp->if_flags & IFF_UP) == 0 &&
3418                             !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp)))
3419                                 IEEE80211_ADDR_COPY(vap->iv_myaddr,
3420                                     IF_LLADDR(ifp));
3421                         if_addr_runlock(ifp);
3422                 }
3423                 break;
3424         case SIOCADDMULTI:
3425         case SIOCDELMULTI:
3426                 ieee80211_runtask(ic, &ic->ic_mcast_task);
3427                 break;
3428         case SIOCSIFMEDIA:
3429         case SIOCGIFMEDIA:
3430                 ifr = (struct ifreq *)data;
3431                 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd);
3432                 break;
3433         case SIOCG80211:
3434                 error = ieee80211_ioctl_get80211(vap, cmd,
3435                                 (struct ieee80211req *) data);
3436                 break;
3437         case SIOCS80211:
3438                 error = priv_check(curthread, PRIV_NET80211_MANAGE);
3439                 if (error == 0)
3440                         error = ieee80211_ioctl_set80211(vap, cmd,
3441                                         (struct ieee80211req *) data);
3442                 break;
3443         case SIOCG80211STATS:
3444                 ifr = (struct ifreq *)data;
3445                 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats));
3446                 break;
3447         case SIOCSIFMTU:
3448                 ifr = (struct ifreq *)data;
3449                 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu &&
3450                     ifr->ifr_mtu <= IEEE80211_MTU_MAX))
3451                         error = EINVAL;
3452                 else
3453                         ifp->if_mtu = ifr->ifr_mtu;
3454                 break;
3455         case SIOCSIFADDR:
3456                 /*
3457                  * XXX Handle this directly so we can suppress if_init calls.
3458                  * XXX This should be done in ether_ioctl but for the moment
3459                  * XXX there are too many other parts of the system that
3460                  * XXX set IFF_UP and so suppress if_init being called when
3461                  * XXX it should be.
3462                  */
3463                 ifa = (struct ifaddr *) data;
3464                 switch (ifa->ifa_addr->sa_family) {
3465 #ifdef INET
3466                 case AF_INET:
3467                         if ((ifp->if_flags & IFF_UP) == 0) {
3468                                 ifp->if_flags |= IFF_UP;
3469                                 ifp->if_init(ifp->if_softc);
3470                         }
3471                         arp_ifinit(ifp, ifa);
3472                         break;
3473 #endif
3474                 default:
3475                         if ((ifp->if_flags & IFF_UP) == 0) {
3476                                 ifp->if_flags |= IFF_UP;
3477                                 ifp->if_init(ifp->if_softc);
3478                         }
3479                         break;
3480                 }
3481                 break;
3482         default:
3483                 /*
3484                  * Pass unknown ioctls first to the driver, and if it
3485                  * returns ENOTTY, then to the generic Ethernet handler.
3486                  */
3487                 if (ic->ic_ioctl != NULL &&
3488                     (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY)
3489                         break;
3490                 error = ether_ioctl(ifp, cmd, data);
3491                 break;
3492         }
3493         return (error);
3494 }