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 * $FreeBSD: head/sys/net80211/ieee80211_ioctl.c 202935 2010-01-24 16:17:58Z syrinx $ 27 */ 28 29 /* 30 * IEEE 802.11 ioctl support (DragonFlyBSD-specific) 31 */ 32 33 #include "opt_inet.h" 34 #include "opt_wlan.h" 35 36 #include <sys/endian.h> 37 #include <sys/param.h> 38 #include <sys/kernel.h> 39 #include <sys/priv.h> 40 #include <sys/socket.h> 41 #include <sys/sockio.h> 42 #include <sys/systm.h> 43 44 #include <net/if.h> 45 #include <net/if_var.h> 46 #include <net/if_dl.h> 47 #include <net/if_media.h> 48 #include <net/ethernet.h> 49 #include <net/route.h> 50 51 #ifdef INET 52 #include <netinet/in.h> 53 #include <netinet/if_ether.h> 54 #endif 55 56 #include <netproto/802_11/ieee80211_var.h> 57 #include <netproto/802_11/ieee80211_ioctl.h> 58 #include <netproto/802_11/ieee80211_regdomain.h> 59 #include <netproto/802_11/ieee80211_input.h> 60 61 #define IS_UP_AUTO(_vap) \ 62 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 63 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 64 65 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 66 static struct ieee80211_channel *findchannel(struct ieee80211com *, 67 int ieee, int mode); 68 69 static __noinline int 70 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 71 { 72 struct ieee80211com *ic = vap->iv_ic; 73 struct ieee80211_node *ni; 74 struct ieee80211req_key ik; 75 struct ieee80211_key *wk; 76 const struct ieee80211_cipher *cip; 77 u_int kid; 78 int error; 79 80 if (ireq->i_len != sizeof(ik)) 81 return EINVAL; 82 error = copyin(ireq->i_data, &ik, sizeof(ik)); 83 if (error) 84 return error; 85 kid = ik.ik_keyix; 86 if (kid == IEEE80211_KEYIX_NONE) { 87 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 88 if (ni == NULL) 89 return ENOENT; 90 wk = &ni->ni_ucastkey; 91 } else { 92 if (kid >= IEEE80211_WEP_NKID) 93 return EINVAL; 94 wk = &vap->iv_nw_keys[kid]; 95 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 96 ni = NULL; 97 } 98 cip = wk->wk_cipher; 99 ik.ik_type = cip->ic_cipher; 100 ik.ik_keylen = wk->wk_keylen; 101 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 102 if (wk->wk_keyix == vap->iv_def_txkey) 103 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 104 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 105 /* NB: only root can read key data */ 106 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 107 ik.ik_keytsc = wk->wk_keytsc; 108 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 109 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 110 memcpy(ik.ik_keydata+wk->wk_keylen, 111 wk->wk_key + IEEE80211_KEYBUF_SIZE, 112 IEEE80211_MICBUF_SIZE); 113 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 114 } 115 } else { 116 ik.ik_keyrsc = 0; 117 ik.ik_keytsc = 0; 118 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 119 } 120 if (ni != NULL) 121 ieee80211_free_node(ni); 122 return copyout(&ik, ireq->i_data, sizeof(ik)); 123 } 124 125 static __noinline int 126 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 127 { 128 struct ieee80211com *ic = vap->iv_ic; 129 130 if (sizeof(ic->ic_chan_active) < ireq->i_len) 131 ireq->i_len = sizeof(ic->ic_chan_active); 132 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 133 } 134 135 static __noinline int 136 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 137 { 138 struct ieee80211com *ic = vap->iv_ic; 139 int space; 140 141 space = __offsetof(struct ieee80211req_chaninfo, 142 ic_chans[ic->ic_nchans]); 143 if (space > ireq->i_len) 144 space = ireq->i_len; 145 /* XXX assumes compatible layout */ 146 return copyout(&ic->ic_nchans, ireq->i_data, space); 147 } 148 149 static __noinline int 150 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 151 struct ieee80211req *ireq, int req) 152 { 153 struct ieee80211_node *ni; 154 struct ieee80211req_wpaie2 wpaie; 155 int error; 156 157 if (ireq->i_len < IEEE80211_ADDR_LEN) 158 return EINVAL; 159 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 160 if (error != 0) 161 return error; 162 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr); 163 if (ni == NULL) 164 return ENOENT; 165 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 166 if (ni->ni_ies.wpa_ie != NULL) { 167 int ielen = ni->ni_ies.wpa_ie[1] + 2; 168 if (ielen > sizeof(wpaie.wpa_ie)) 169 ielen = sizeof(wpaie.wpa_ie); 170 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen); 171 } 172 if (req == IEEE80211_IOC_WPAIE2) { 173 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie)); 174 if (ni->ni_ies.rsn_ie != NULL) { 175 int ielen = ni->ni_ies.rsn_ie[1] + 2; 176 if (ielen > sizeof(wpaie.rsn_ie)) 177 ielen = sizeof(wpaie.rsn_ie); 178 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen); 179 } 180 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 181 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 182 } else { 183 /* compatibility op, may overwrite wpa ie */ 184 /* XXX check ic_flags? */ 185 if (ni->ni_ies.rsn_ie != NULL) { 186 int ielen = ni->ni_ies.rsn_ie[1] + 2; 187 if (ielen > sizeof(wpaie.wpa_ie)) 188 ielen = sizeof(wpaie.wpa_ie); 189 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen); 190 } 191 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 192 ireq->i_len = sizeof(struct ieee80211req_wpaie); 193 } 194 ieee80211_free_node(ni); 195 return copyout(&wpaie, ireq->i_data, ireq->i_len); 196 } 197 198 static __noinline int 199 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 200 { 201 struct ieee80211_node *ni; 202 uint8_t macaddr[IEEE80211_ADDR_LEN]; 203 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats); 204 int error; 205 206 if (ireq->i_len < off) 207 return EINVAL; 208 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 209 if (error != 0) 210 return error; 211 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 212 if (ni == NULL) 213 return ENOENT; 214 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 215 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 216 /* NB: copy out only the statistics */ 217 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 218 ireq->i_len - off); 219 ieee80211_free_node(ni); 220 return error; 221 } 222 223 struct scanreq { 224 struct ieee80211req_scan_result *sr; 225 size_t space; 226 }; 227 228 static size_t 229 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 230 { 231 size_t len; 232 233 *ielen = se->se_ies.len; 234 /* 235 * NB: ie's can be no more than 255 bytes and the max 802.11 236 * packet is <3Kbytes so we are sure this doesn't overflow 237 * 16-bits; if this is a concern we can drop the ie's. 238 */ 239 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 240 se->se_meshid[1] + *ielen; 241 return roundup(len, sizeof(uint32_t)); 242 } 243 244 static void 245 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 246 { 247 struct scanreq *req = arg; 248 int ielen; 249 250 req->space += scan_space(se, &ielen); 251 } 252 253 static __noinline void 254 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 255 { 256 struct scanreq *req = arg; 257 struct ieee80211req_scan_result *sr; 258 int ielen, len, nr, nxr; 259 uint8_t *cp; 260 261 len = scan_space(se, &ielen); 262 if (len > req->space) 263 return; 264 265 sr = req->sr; 266 KASSERT(len <= 65535 && ielen <= 65535, 267 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 268 sr->isr_len = len; 269 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 270 sr->isr_ie_len = ielen; 271 sr->isr_freq = se->se_chan->ic_freq; 272 sr->isr_flags = se->se_chan->ic_flags; 273 sr->isr_rssi = se->se_rssi; 274 sr->isr_noise = se->se_noise; 275 sr->isr_intval = se->se_intval; 276 sr->isr_capinfo = se->se_capinfo; 277 sr->isr_erp = se->se_erp; 278 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 279 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 280 memcpy(sr->isr_rates, se->se_rates+2, nr); 281 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 282 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 283 sr->isr_nrates = nr + nxr; 284 285 /* copy SSID */ 286 sr->isr_ssid_len = se->se_ssid[1]; 287 cp = ((uint8_t *)sr) + sr->isr_ie_off; 288 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 289 290 /* copy mesh id */ 291 cp += sr->isr_ssid_len; 292 sr->isr_meshid_len = se->se_meshid[1]; 293 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 294 cp += sr->isr_meshid_len; 295 296 if (ielen) 297 memcpy(cp, se->se_ies.data, ielen); 298 299 req->space -= len; 300 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 301 } 302 303 static __noinline int 304 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 305 struct ieee80211req *ireq) 306 { 307 struct scanreq req; 308 int error; 309 310 if (ireq->i_len < sizeof(struct scanreq)) 311 return EFAULT; 312 313 error = 0; 314 req.space = 0; 315 ieee80211_scan_iterate(vap, get_scan_space, &req); 316 if (req.space > ireq->i_len) 317 req.space = ireq->i_len; 318 if (req.space > 0) { 319 size_t space; 320 void *p; 321 322 space = req.space; 323 /* XXX M_WAITOK after driver lock released */ 324 p = kmalloc(space, M_TEMP, M_INTWAIT | M_ZERO); 325 if (p == NULL) 326 return ENOMEM; 327 req.sr = p; 328 ieee80211_scan_iterate(vap, get_scan_result, &req); 329 ireq->i_len = space - req.space; 330 error = copyout(p, ireq->i_data, ireq->i_len); 331 kfree(p, M_TEMP); 332 } else 333 ireq->i_len = 0; 334 335 return error; 336 } 337 338 struct stainforeq { 339 struct ieee80211vap *vap; 340 struct ieee80211req_sta_info *si; 341 size_t space; 342 }; 343 344 static size_t 345 sta_space(const struct ieee80211_node *ni, size_t *ielen) 346 { 347 *ielen = ni->ni_ies.len; 348 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 349 sizeof(uint32_t)); 350 } 351 352 static void 353 get_sta_space(void *arg, struct ieee80211_node *ni) 354 { 355 struct stainforeq *req = arg; 356 size_t ielen; 357 358 if (req->vap != ni->ni_vap) 359 return; 360 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 361 ni->ni_associd == 0) /* only associated stations */ 362 return; 363 req->space += sta_space(ni, &ielen); 364 } 365 366 static __noinline void 367 get_sta_info(void *arg, struct ieee80211_node *ni) 368 { 369 struct stainforeq *req = arg; 370 struct ieee80211vap *vap = ni->ni_vap; 371 struct ieee80211req_sta_info *si; 372 size_t ielen, len; 373 uint8_t *cp; 374 375 if (req->vap != ni->ni_vap) 376 return; 377 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 378 ni->ni_associd == 0) /* only associated stations */ 379 return; 380 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 381 return; 382 len = sta_space(ni, &ielen); 383 if (len > req->space) 384 return; 385 si = req->si; 386 si->isi_len = len; 387 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 388 si->isi_ie_len = ielen; 389 si->isi_freq = ni->ni_chan->ic_freq; 390 si->isi_flags = ni->ni_chan->ic_flags; 391 si->isi_state = ni->ni_flags; 392 si->isi_authmode = ni->ni_authmode; 393 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 394 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 395 si->isi_capinfo = ni->ni_capinfo; 396 si->isi_erp = ni->ni_erp; 397 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 398 si->isi_nrates = ni->ni_rates.rs_nrates; 399 if (si->isi_nrates > 15) 400 si->isi_nrates = 15; 401 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 402 si->isi_txrate = ni->ni_txrate; 403 if (si->isi_txrate & IEEE80211_RATE_MCS) { 404 const struct ieee80211_mcs_rates *mcs = 405 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 406 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 407 if (ni->ni_flags & IEEE80211_NODE_SGI40) 408 si->isi_txmbps = mcs->ht40_rate_800ns; 409 else 410 si->isi_txmbps = mcs->ht40_rate_400ns; 411 } else { 412 if (ni->ni_flags & IEEE80211_NODE_SGI20) 413 si->isi_txmbps = mcs->ht20_rate_800ns; 414 else 415 si->isi_txmbps = mcs->ht20_rate_400ns; 416 } 417 } else 418 si->isi_txmbps = si->isi_txrate; 419 si->isi_associd = ni->ni_associd; 420 si->isi_txpower = ni->ni_txpower; 421 si->isi_vlan = ni->ni_vlan; 422 if (ni->ni_flags & IEEE80211_NODE_QOS) { 423 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 424 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 425 } else { 426 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 427 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 428 } 429 /* NB: leave all cases in case we relax ni_associd == 0 check */ 430 if (ieee80211_node_is_authorized(ni)) 431 si->isi_inact = vap->iv_inact_run; 432 else if (ni->ni_associd != 0 || 433 (vap->iv_opmode == IEEE80211_M_WDS && 434 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 435 si->isi_inact = vap->iv_inact_auth; 436 else 437 si->isi_inact = vap->iv_inact_init; 438 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 439 si->isi_localid = ni->ni_mllid; 440 si->isi_peerid = ni->ni_mlpid; 441 si->isi_peerstate = ni->ni_mlstate; 442 443 if (ielen) { 444 cp = ((uint8_t *)si) + si->isi_ie_off; 445 memcpy(cp, ni->ni_ies.data, ielen); 446 } 447 448 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 449 req->space -= len; 450 } 451 452 static __noinline int 453 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 454 struct ieee80211_node *ni, int off) 455 { 456 struct ieee80211com *ic = vap->iv_ic; 457 struct stainforeq req; 458 size_t space; 459 void *p; 460 int error; 461 462 error = 0; 463 req.space = 0; 464 req.vap = vap; 465 if (ni == NULL) 466 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 467 else 468 get_sta_space(&req, ni); 469 if (req.space > ireq->i_len) 470 req.space = ireq->i_len; 471 if (req.space > 0) { 472 space = req.space; 473 /* XXX M_WAITOK after driver lock released */ 474 p = kmalloc(space, M_TEMP, M_INTWAIT | M_ZERO); 475 if (p == NULL) { 476 error = ENOMEM; 477 goto bad; 478 } 479 req.si = p; 480 if (ni == NULL) 481 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 482 else 483 get_sta_info(&req, ni); 484 ireq->i_len = space - req.space; 485 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 486 kfree(p, M_TEMP); 487 } else 488 ireq->i_len = 0; 489 bad: 490 if (ni != NULL) 491 ieee80211_free_node(ni); 492 return error; 493 } 494 495 static __noinline int 496 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 497 { 498 uint8_t macaddr[IEEE80211_ADDR_LEN]; 499 const int off = __offsetof(struct ieee80211req_sta_req, info); 500 struct ieee80211_node *ni; 501 int error; 502 503 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 504 return EFAULT; 505 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 506 if (error != 0) 507 return error; 508 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 509 ni = NULL; 510 } else { 511 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 512 if (ni == NULL) 513 return ENOENT; 514 } 515 return getstainfo_common(vap, ireq, ni, off); 516 } 517 518 static __noinline int 519 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 520 { 521 struct ieee80211_node *ni; 522 struct ieee80211req_sta_txpow txpow; 523 int error; 524 525 if (ireq->i_len != sizeof(txpow)) 526 return EINVAL; 527 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 528 if (error != 0) 529 return error; 530 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 531 if (ni == NULL) 532 return ENOENT; 533 txpow.it_txpow = ni->ni_txpower; 534 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 535 ieee80211_free_node(ni); 536 return error; 537 } 538 539 static __noinline int 540 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 541 { 542 struct ieee80211com *ic = vap->iv_ic; 543 struct ieee80211_wme_state *wme = &ic->ic_wme; 544 struct wmeParams *wmep; 545 int ac; 546 547 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 548 return EINVAL; 549 550 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 551 if (ac >= WME_NUM_AC) 552 ac = WME_AC_BE; 553 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 554 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 555 else 556 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 557 switch (ireq->i_type) { 558 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 559 ireq->i_val = wmep->wmep_logcwmin; 560 break; 561 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 562 ireq->i_val = wmep->wmep_logcwmax; 563 break; 564 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 565 ireq->i_val = wmep->wmep_aifsn; 566 break; 567 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 568 ireq->i_val = wmep->wmep_txopLimit; 569 break; 570 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 571 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 572 ireq->i_val = wmep->wmep_acm; 573 break; 574 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 575 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 576 ireq->i_val = !wmep->wmep_noackPolicy; 577 break; 578 } 579 return 0; 580 } 581 582 static __noinline int 583 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 584 { 585 const struct ieee80211_aclator *acl = vap->iv_acl; 586 587 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 588 } 589 590 static __noinline int 591 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 592 { 593 struct ieee80211com *ic = vap->iv_ic; 594 struct ieee80211_channel *c; 595 596 if (ireq->i_len != sizeof(struct ieee80211_channel)) 597 return EINVAL; 598 /* 599 * vap's may have different operating channels when HT is 600 * in use. When in RUN state report the vap-specific channel. 601 * Otherwise return curchan. 602 */ 603 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 604 c = vap->iv_bss->ni_chan; 605 else 606 c = ic->ic_curchan; 607 return copyout(c, ireq->i_data, sizeof(*c)); 608 } 609 610 static int 611 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 612 { 613 if (aie == NULL) 614 return EINVAL; 615 /* NB: truncate, caller can check length */ 616 if (ireq->i_len > aie->ie_len) 617 ireq->i_len = aie->ie_len; 618 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 619 } 620 621 static int 622 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 623 { 624 uint8_t fc0; 625 626 fc0 = ireq->i_val & 0xff; 627 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 628 return EINVAL; 629 /* NB: could check iv_opmode and reject but hardly worth the effort */ 630 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 631 case IEEE80211_FC0_SUBTYPE_BEACON: 632 return getappie(vap->iv_appie_beacon, ireq); 633 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 634 return getappie(vap->iv_appie_proberesp, ireq); 635 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 636 return getappie(vap->iv_appie_assocresp, ireq); 637 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 638 return getappie(vap->iv_appie_probereq, ireq); 639 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 640 return getappie(vap->iv_appie_assocreq, ireq); 641 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 642 return getappie(vap->iv_appie_wpa, ireq); 643 } 644 return EINVAL; 645 } 646 647 static __noinline int 648 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 649 const struct ieee80211req *ireq) 650 { 651 struct ieee80211com *ic = vap->iv_ic; 652 653 if (ireq->i_len != sizeof(ic->ic_regdomain)) 654 return EINVAL; 655 return copyout(&ic->ic_regdomain, ireq->i_data, 656 sizeof(ic->ic_regdomain)); 657 } 658 659 static __noinline int 660 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 661 const struct ieee80211req *ireq) 662 { 663 size_t len = ireq->i_len; 664 /* NB: accept short requests for backwards compat */ 665 if (len > sizeof(vap->iv_roamparms)) 666 len = sizeof(vap->iv_roamparms); 667 return copyout(vap->iv_roamparms, ireq->i_data, len); 668 } 669 670 static __noinline int 671 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 672 const struct ieee80211req *ireq) 673 { 674 size_t len = ireq->i_len; 675 /* NB: accept short requests for backwards compat */ 676 if (len > sizeof(vap->iv_txparms)) 677 len = sizeof(vap->iv_txparms); 678 return copyout(vap->iv_txparms, ireq->i_data, len); 679 } 680 681 static __noinline int 682 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 683 const struct ieee80211req *ireq) 684 { 685 struct ieee80211_devcaps_req *dc; 686 struct ieee80211req_chaninfo *ci; 687 int maxchans, error; 688 689 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 690 sizeof(struct ieee80211_channel)); 691 /* NB: require 1 so we know ic_nchans is accessible */ 692 if (maxchans < 1) 693 return EINVAL; 694 /* constrain max request size, 2K channels is ~24Kbytes */ 695 if (maxchans > 2048) 696 maxchans = 2048; 697 dc = (struct ieee80211_devcaps_req *) 698 kmalloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, 699 M_INTWAIT | M_ZERO); 700 if (dc == NULL) 701 return ENOMEM; 702 dc->dc_drivercaps = ic->ic_caps; 703 dc->dc_cryptocaps = ic->ic_cryptocaps; 704 dc->dc_htcaps = ic->ic_htcaps; 705 ci = &dc->dc_chaninfo; 706 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 707 KASSERT(ci->ic_nchans <= maxchans, 708 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 709 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 710 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 711 kfree(dc, M_TEMP); 712 return error; 713 } 714 715 static __noinline int 716 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 717 { 718 struct ieee80211_node *ni; 719 struct ieee80211req_sta_vlan vlan; 720 int error; 721 722 if (ireq->i_len != sizeof(vlan)) 723 return EINVAL; 724 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 725 if (error != 0) 726 return error; 727 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 728 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 729 vlan.sv_macaddr); 730 if (ni == NULL) 731 return ENOENT; 732 } else 733 ni = ieee80211_ref_node(vap->iv_bss); 734 vlan.sv_vlan = ni->ni_vlan; 735 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 736 ieee80211_free_node(ni); 737 return error; 738 } 739 740 /* 741 * Dummy ioctl get handler so the linker set is defined. 742 */ 743 static int 744 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 745 { 746 return ENOSYS; 747 } 748 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 749 750 static int 751 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 752 { 753 ieee80211_ioctl_getfunc * const *get; 754 int error; 755 756 SET_FOREACH(get, ieee80211_ioctl_getset) { 757 error = (*get)(vap, ireq); 758 if (error != ENOSYS) 759 return error; 760 } 761 return EINVAL; 762 } 763 764 /* 765 * When building the kernel with -O2 on the i386 architecture, gcc 766 * seems to want to inline this function into ieee80211_ioctl() 767 * (which is the only routine that calls it). When this happens, 768 * ieee80211_ioctl() ends up consuming an additional 2K of stack 769 * space. (Exactly why it needs so much is unclear.) The problem 770 * is that it's possible for ieee80211_ioctl() to invoke other 771 * routines (including driver init functions) which could then find 772 * themselves perilously close to exhausting the stack. 773 * 774 * To avoid this, we deliberately prevent gcc from inlining this 775 * routine. Another way to avoid this is to use less agressive 776 * optimization when compiling this file (i.e. -O instead of -O2) 777 * but special-casing the compilation of this one module in the 778 * build system would be awkward. 779 */ 780 static __noinline int 781 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 782 struct ieee80211req *ireq) 783 { 784 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 785 struct ieee80211com *ic = vap->iv_ic; 786 u_int kid, len; 787 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 788 char tmpssid[IEEE80211_NWID_LEN]; 789 int error = 0; 790 791 switch (ireq->i_type) { 792 case IEEE80211_IOC_SSID: 793 switch (vap->iv_state) { 794 case IEEE80211_S_INIT: 795 case IEEE80211_S_SCAN: 796 ireq->i_len = vap->iv_des_ssid[0].len; 797 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 798 break; 799 default: 800 ireq->i_len = vap->iv_bss->ni_esslen; 801 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 802 break; 803 } 804 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 805 break; 806 case IEEE80211_IOC_NUMSSIDS: 807 ireq->i_val = 1; 808 break; 809 case IEEE80211_IOC_WEP: 810 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 811 ireq->i_val = IEEE80211_WEP_OFF; 812 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 813 ireq->i_val = IEEE80211_WEP_ON; 814 else 815 ireq->i_val = IEEE80211_WEP_MIXED; 816 break; 817 case IEEE80211_IOC_WEPKEY: 818 kid = (u_int) ireq->i_val; 819 if (kid >= IEEE80211_WEP_NKID) 820 return EINVAL; 821 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 822 /* NB: only root can read WEP keys */ 823 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 824 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 825 } else { 826 bzero(tmpkey, len); 827 } 828 ireq->i_len = len; 829 error = copyout(tmpkey, ireq->i_data, len); 830 break; 831 case IEEE80211_IOC_NUMWEPKEYS: 832 ireq->i_val = IEEE80211_WEP_NKID; 833 break; 834 case IEEE80211_IOC_WEPTXKEY: 835 ireq->i_val = vap->iv_def_txkey; 836 break; 837 case IEEE80211_IOC_AUTHMODE: 838 if (vap->iv_flags & IEEE80211_F_WPA) 839 ireq->i_val = IEEE80211_AUTH_WPA; 840 else 841 ireq->i_val = vap->iv_bss->ni_authmode; 842 break; 843 case IEEE80211_IOC_CHANNEL: 844 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 845 break; 846 case IEEE80211_IOC_POWERSAVE: 847 if (vap->iv_flags & IEEE80211_F_PMGTON) 848 ireq->i_val = IEEE80211_POWERSAVE_ON; 849 else 850 ireq->i_val = IEEE80211_POWERSAVE_OFF; 851 break; 852 case IEEE80211_IOC_POWERSAVESLEEP: 853 ireq->i_val = ic->ic_lintval; 854 break; 855 case IEEE80211_IOC_RTSTHRESHOLD: 856 ireq->i_val = vap->iv_rtsthreshold; 857 break; 858 case IEEE80211_IOC_PROTMODE: 859 ireq->i_val = ic->ic_protmode; 860 break; 861 case IEEE80211_IOC_TXPOWER: 862 /* 863 * Tx power limit is the min of max regulatory 864 * power, any user-set limit, and the max the 865 * radio can do. 866 */ 867 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 868 if (ireq->i_val > ic->ic_txpowlimit) 869 ireq->i_val = ic->ic_txpowlimit; 870 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 871 ireq->i_val = ic->ic_curchan->ic_maxpower; 872 break; 873 case IEEE80211_IOC_WPA: 874 switch (vap->iv_flags & IEEE80211_F_WPA) { 875 case IEEE80211_F_WPA1: 876 ireq->i_val = 1; 877 break; 878 case IEEE80211_F_WPA2: 879 ireq->i_val = 2; 880 break; 881 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 882 ireq->i_val = 3; 883 break; 884 default: 885 ireq->i_val = 0; 886 break; 887 } 888 break; 889 case IEEE80211_IOC_CHANLIST: 890 error = ieee80211_ioctl_getchanlist(vap, ireq); 891 break; 892 case IEEE80211_IOC_ROAMING: 893 ireq->i_val = vap->iv_roaming; 894 break; 895 case IEEE80211_IOC_PRIVACY: 896 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 897 break; 898 case IEEE80211_IOC_DROPUNENCRYPTED: 899 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 900 break; 901 case IEEE80211_IOC_COUNTERMEASURES: 902 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 903 break; 904 case IEEE80211_IOC_WME: 905 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 906 break; 907 case IEEE80211_IOC_HIDESSID: 908 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 909 break; 910 case IEEE80211_IOC_APBRIDGE: 911 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 912 break; 913 case IEEE80211_IOC_WPAKEY: 914 error = ieee80211_ioctl_getkey(vap, ireq); 915 break; 916 case IEEE80211_IOC_CHANINFO: 917 error = ieee80211_ioctl_getchaninfo(vap, ireq); 918 break; 919 case IEEE80211_IOC_BSSID: 920 if (ireq->i_len != IEEE80211_ADDR_LEN) 921 return EINVAL; 922 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 923 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 924 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 925 ireq->i_data, ireq->i_len); 926 } else 927 error = copyout(vap->iv_des_bssid, ireq->i_data, 928 ireq->i_len); 929 break; 930 case IEEE80211_IOC_WPAIE: 931 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 932 break; 933 case IEEE80211_IOC_WPAIE2: 934 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 935 break; 936 case IEEE80211_IOC_SCAN_RESULTS: 937 error = ieee80211_ioctl_getscanresults(vap, ireq); 938 break; 939 case IEEE80211_IOC_STA_STATS: 940 error = ieee80211_ioctl_getstastats(vap, ireq); 941 break; 942 case IEEE80211_IOC_TXPOWMAX: 943 ireq->i_val = vap->iv_bss->ni_txpower; 944 break; 945 case IEEE80211_IOC_STA_TXPOW: 946 error = ieee80211_ioctl_getstatxpow(vap, ireq); 947 break; 948 case IEEE80211_IOC_STA_INFO: 949 error = ieee80211_ioctl_getstainfo(vap, ireq); 950 break; 951 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 952 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 953 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 954 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 955 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 956 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 957 error = ieee80211_ioctl_getwmeparam(vap, ireq); 958 break; 959 case IEEE80211_IOC_DTIM_PERIOD: 960 ireq->i_val = vap->iv_dtim_period; 961 break; 962 case IEEE80211_IOC_BEACON_INTERVAL: 963 /* NB: get from ic_bss for station mode */ 964 ireq->i_val = vap->iv_bss->ni_intval; 965 break; 966 case IEEE80211_IOC_PUREG: 967 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 968 break; 969 case IEEE80211_IOC_BGSCAN: 970 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 971 break; 972 case IEEE80211_IOC_BGSCAN_IDLE: 973 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 974 break; 975 case IEEE80211_IOC_BGSCAN_INTERVAL: 976 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 977 break; 978 case IEEE80211_IOC_SCANVALID: 979 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 980 break; 981 case IEEE80211_IOC_FRAGTHRESHOLD: 982 ireq->i_val = vap->iv_fragthreshold; 983 break; 984 case IEEE80211_IOC_MACCMD: 985 error = ieee80211_ioctl_getmaccmd(vap, ireq); 986 break; 987 case IEEE80211_IOC_BURST: 988 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 989 break; 990 case IEEE80211_IOC_BMISSTHRESHOLD: 991 ireq->i_val = vap->iv_bmissthreshold; 992 break; 993 case IEEE80211_IOC_CURCHAN: 994 error = ieee80211_ioctl_getcurchan(vap, ireq); 995 break; 996 case IEEE80211_IOC_SHORTGI: 997 ireq->i_val = 0; 998 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 999 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1000 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1001 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1002 break; 1003 case IEEE80211_IOC_AMPDU: 1004 ireq->i_val = 0; 1005 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1006 ireq->i_val |= 1; 1007 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1008 ireq->i_val |= 2; 1009 break; 1010 case IEEE80211_IOC_AMPDU_LIMIT: 1011 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1012 ireq->i_val = vap->iv_ampdu_rxmax; 1013 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1014 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1015 IEEE80211_HTCAP_MAXRXAMPDU); 1016 else 1017 ireq->i_val = vap->iv_ampdu_limit; 1018 break; 1019 case IEEE80211_IOC_AMPDU_DENSITY: 1020 if (vap->iv_opmode == IEEE80211_M_STA && 1021 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1022 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1023 IEEE80211_HTCAP_MPDUDENSITY); 1024 else 1025 ireq->i_val = vap->iv_ampdu_density; 1026 break; 1027 case IEEE80211_IOC_AMSDU: 1028 ireq->i_val = 0; 1029 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1030 ireq->i_val |= 1; 1031 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1032 ireq->i_val |= 2; 1033 break; 1034 case IEEE80211_IOC_AMSDU_LIMIT: 1035 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1036 break; 1037 case IEEE80211_IOC_PUREN: 1038 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1039 break; 1040 case IEEE80211_IOC_DOTH: 1041 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1042 break; 1043 case IEEE80211_IOC_REGDOMAIN: 1044 error = ieee80211_ioctl_getregdomain(vap, ireq); 1045 break; 1046 case IEEE80211_IOC_ROAM: 1047 error = ieee80211_ioctl_getroam(vap, ireq); 1048 break; 1049 case IEEE80211_IOC_TXPARAMS: 1050 error = ieee80211_ioctl_gettxparams(vap, ireq); 1051 break; 1052 case IEEE80211_IOC_HTCOMPAT: 1053 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1054 break; 1055 case IEEE80211_IOC_DWDS: 1056 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1057 break; 1058 case IEEE80211_IOC_INACTIVITY: 1059 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1060 break; 1061 case IEEE80211_IOC_APPIE: 1062 error = ieee80211_ioctl_getappie(vap, ireq); 1063 break; 1064 case IEEE80211_IOC_WPS: 1065 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1066 break; 1067 case IEEE80211_IOC_TSN: 1068 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1069 break; 1070 case IEEE80211_IOC_DFS: 1071 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1072 break; 1073 case IEEE80211_IOC_DOTD: 1074 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1075 break; 1076 case IEEE80211_IOC_DEVCAPS: 1077 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1078 break; 1079 case IEEE80211_IOC_HTPROTMODE: 1080 ireq->i_val = ic->ic_htprotmode; 1081 break; 1082 case IEEE80211_IOC_HTCONF: 1083 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1084 ireq->i_val = 1; 1085 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1086 ireq->i_val |= 2; 1087 } else 1088 ireq->i_val = 0; 1089 break; 1090 case IEEE80211_IOC_STA_VLAN: 1091 error = ieee80211_ioctl_getstavlan(vap, ireq); 1092 break; 1093 case IEEE80211_IOC_SMPS: 1094 if (vap->iv_opmode == IEEE80211_M_STA && 1095 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1096 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1097 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1098 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1099 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1100 else 1101 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1102 } else 1103 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1104 break; 1105 case IEEE80211_IOC_RIFS: 1106 if (vap->iv_opmode == IEEE80211_M_STA && 1107 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1108 ireq->i_val = 1109 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1110 else 1111 ireq->i_val = 1112 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1113 break; 1114 default: 1115 error = ieee80211_ioctl_getdefault(vap, ireq); 1116 break; 1117 } 1118 return error; 1119 #undef MS 1120 } 1121 1122 static __noinline int 1123 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1124 { 1125 struct ieee80211req_key ik; 1126 struct ieee80211_node *ni; 1127 struct ieee80211_key *wk; 1128 uint16_t kid; 1129 int error, i; 1130 1131 if (ireq->i_len != sizeof(ik)) 1132 return EINVAL; 1133 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1134 if (error) 1135 return error; 1136 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1137 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1138 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1139 return E2BIG; 1140 kid = ik.ik_keyix; 1141 if (kid == IEEE80211_KEYIX_NONE) { 1142 /* XXX unicast keys currently must be tx/rx */ 1143 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1144 return EINVAL; 1145 if (vap->iv_opmode == IEEE80211_M_STA) { 1146 ni = ieee80211_ref_node(vap->iv_bss); 1147 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1148 ieee80211_free_node(ni); 1149 return EADDRNOTAVAIL; 1150 } 1151 } else { 1152 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1153 ik.ik_macaddr); 1154 if (ni == NULL) 1155 return ENOENT; 1156 } 1157 wk = &ni->ni_ucastkey; 1158 } else { 1159 if (kid >= IEEE80211_WEP_NKID) 1160 return EINVAL; 1161 wk = &vap->iv_nw_keys[kid]; 1162 /* 1163 * Global slots start off w/o any assigned key index. 1164 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1165 */ 1166 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1167 wk->wk_keyix = kid; 1168 ni = NULL; 1169 } 1170 error = 0; 1171 ieee80211_key_update_begin(vap); 1172 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1173 wk->wk_keylen = ik.ik_keylen; 1174 /* NB: MIC presence is implied by cipher type */ 1175 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1176 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1177 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1178 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1179 wk->wk_keytsc = 0; /* new key, reset */ 1180 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1181 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1182 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1183 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1184 if (!ieee80211_crypto_setkey(vap, wk)) 1185 error = EIO; 1186 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1187 vap->iv_def_txkey = kid; 1188 } else 1189 error = ENXIO; 1190 ieee80211_key_update_end(vap); 1191 if (ni != NULL) 1192 ieee80211_free_node(ni); 1193 return error; 1194 } 1195 1196 static __noinline int 1197 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1198 { 1199 struct ieee80211req_del_key dk; 1200 int kid, error; 1201 1202 if (ireq->i_len != sizeof(dk)) 1203 return EINVAL; 1204 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1205 if (error) 1206 return error; 1207 kid = dk.idk_keyix; 1208 /* XXX uint8_t -> uint16_t */ 1209 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1210 struct ieee80211_node *ni; 1211 1212 if (vap->iv_opmode == IEEE80211_M_STA) { 1213 ni = ieee80211_ref_node(vap->iv_bss); 1214 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1215 ieee80211_free_node(ni); 1216 return EADDRNOTAVAIL; 1217 } 1218 } else { 1219 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1220 dk.idk_macaddr); 1221 if (ni == NULL) 1222 return ENOENT; 1223 } 1224 /* XXX error return */ 1225 ieee80211_node_delucastkey(ni); 1226 ieee80211_free_node(ni); 1227 } else { 1228 if (kid >= IEEE80211_WEP_NKID) 1229 return EINVAL; 1230 /* XXX error return */ 1231 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1232 } 1233 return 0; 1234 } 1235 1236 struct mlmeop { 1237 struct ieee80211vap *vap; 1238 int op; 1239 int reason; 1240 }; 1241 1242 static void 1243 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1244 int op, int reason) 1245 { 1246 #ifdef IEEE80211_DEBUG 1247 static const struct { 1248 int mask; 1249 const char *opstr; 1250 } ops[] = { 1251 { 0, "op#0" }, 1252 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1253 IEEE80211_MSG_ASSOC, "assoc" }, 1254 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1255 IEEE80211_MSG_ASSOC, "disassoc" }, 1256 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1257 IEEE80211_MSG_AUTH, "deauth" }, 1258 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1259 IEEE80211_MSG_AUTH, "authorize" }, 1260 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1261 IEEE80211_MSG_AUTH, "unauthorize" }, 1262 }; 1263 1264 if (op == IEEE80211_MLME_AUTH) { 1265 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1266 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1267 "station authenticate %s via MLME (reason %d)", 1268 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1269 reason); 1270 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1271 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1272 "unknown MLME request %d (reason %d)", op, reason); 1273 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1274 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1275 "station %s via MLME", ops[op].opstr); 1276 } else { 1277 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1278 "station %s via MLME (reason %d)", ops[op].opstr, reason); 1279 } 1280 #endif /* IEEE80211_DEBUG */ 1281 } 1282 1283 static void 1284 domlme(void *arg, struct ieee80211_node *ni) 1285 { 1286 struct mlmeop *mop = arg; 1287 struct ieee80211vap *vap = ni->ni_vap; 1288 1289 if (vap != mop->vap) 1290 return; 1291 /* 1292 * NB: if ni_associd is zero then the node is already cleaned 1293 * up and we don't need to do this (we're safely holding a 1294 * reference but should otherwise not modify it's state). 1295 */ 1296 if (ni->ni_associd == 0) 1297 return; 1298 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1299 if (mop->op == IEEE80211_MLME_DEAUTH) { 1300 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1301 mop->reason); 1302 } else { 1303 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1304 mop->reason); 1305 } 1306 ieee80211_node_leave(ni); 1307 } 1308 1309 static int 1310 setmlme_dropsta(struct ieee80211vap *vap, 1311 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1312 { 1313 struct ieee80211com *ic = vap->iv_ic; 1314 struct ieee80211_node_table *nt = &ic->ic_sta; 1315 struct ieee80211_node *ni; 1316 int error = 0; 1317 1318 /* NB: the broadcast address means do 'em all */ 1319 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) { 1320 ni = ieee80211_find_node_locked(nt, mac); 1321 if (ni != NULL) { 1322 domlme(mlmeop, ni); 1323 ieee80211_free_node(ni); 1324 } else 1325 error = ENOENT; 1326 } else { 1327 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1328 } 1329 return error; 1330 } 1331 1332 static __noinline int 1333 setmlme_common(struct ieee80211vap *vap, int op, 1334 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1335 { 1336 struct ieee80211com *ic = vap->iv_ic; 1337 struct ieee80211_node_table *nt = &ic->ic_sta; 1338 struct ieee80211_node *ni; 1339 struct mlmeop mlmeop; 1340 int error; 1341 1342 error = 0; 1343 switch (op) { 1344 case IEEE80211_MLME_DISASSOC: 1345 case IEEE80211_MLME_DEAUTH: 1346 switch (vap->iv_opmode) { 1347 case IEEE80211_M_STA: 1348 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1349 /* XXX not quite right */ 1350 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1351 break; 1352 case IEEE80211_M_HOSTAP: 1353 mlmeop.vap = vap; 1354 mlmeop.op = op; 1355 mlmeop.reason = reason; 1356 error = setmlme_dropsta(vap, mac, &mlmeop); 1357 break; 1358 case IEEE80211_M_WDS: 1359 /* XXX user app should send raw frame? */ 1360 if (op != IEEE80211_MLME_DEAUTH) { 1361 error = EINVAL; 1362 break; 1363 } 1364 #if 0 1365 /* XXX accept any address, simplifies user code */ 1366 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1367 error = EINVAL; 1368 break; 1369 } 1370 #endif 1371 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1372 ni = ieee80211_ref_node(vap->iv_bss); 1373 IEEE80211_SEND_MGMT(ni, 1374 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1375 ieee80211_free_node(ni); 1376 break; 1377 default: 1378 error = EINVAL; 1379 break; 1380 } 1381 break; 1382 case IEEE80211_MLME_AUTHORIZE: 1383 case IEEE80211_MLME_UNAUTHORIZE: 1384 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1385 vap->iv_opmode != IEEE80211_M_WDS) { 1386 error = EINVAL; 1387 break; 1388 } 1389 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1390 if (ni != NULL) { 1391 mlmedebug(vap, mac, op, reason); 1392 if (op == IEEE80211_MLME_AUTHORIZE) 1393 ieee80211_node_authorize(ni); 1394 else 1395 ieee80211_node_unauthorize(ni); 1396 ieee80211_free_node(ni); 1397 } else 1398 error = ENOENT; 1399 break; 1400 case IEEE80211_MLME_AUTH: 1401 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1402 error = EINVAL; 1403 break; 1404 } 1405 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1406 if (ni != NULL) { 1407 mlmedebug(vap, mac, op, reason); 1408 if (reason == IEEE80211_STATUS_SUCCESS) { 1409 IEEE80211_SEND_MGMT(ni, 1410 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1411 /* 1412 * For shared key auth, just continue the 1413 * exchange. Otherwise when 802.1x is not in 1414 * use mark the port authorized at this point 1415 * so traffic can flow. 1416 */ 1417 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1418 ni->ni_challenge == NULL) 1419 ieee80211_node_authorize(ni); 1420 } else { 1421 vap->iv_stats.is_rx_acl++; 1422 ieee80211_send_error(ni, ni->ni_macaddr, 1423 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1424 ieee80211_node_leave(ni); 1425 } 1426 ieee80211_free_node(ni); 1427 } else 1428 error = ENOENT; 1429 break; 1430 default: 1431 error = EINVAL; 1432 break; 1433 } 1434 return error; 1435 } 1436 1437 struct scanlookup { 1438 const uint8_t *mac; 1439 int esslen; 1440 const uint8_t *essid; 1441 const struct ieee80211_scan_entry *se; 1442 }; 1443 1444 /* 1445 * Match mac address and any ssid. 1446 */ 1447 static void 1448 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1449 { 1450 struct scanlookup *look = arg; 1451 1452 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1453 return; 1454 if (look->esslen != 0) { 1455 if (se->se_ssid[1] != look->esslen) 1456 return; 1457 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1458 return; 1459 } 1460 look->se = se; 1461 } 1462 1463 static __noinline int 1464 setmlme_assoc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1465 int ssid_len, const uint8_t ssid[IEEE80211_NWID_LEN]) 1466 { 1467 struct scanlookup lookup; 1468 1469 /* XXX ibss/ahdemo */ 1470 if (vap->iv_opmode != IEEE80211_M_STA) 1471 return EINVAL; 1472 1473 /* NB: this is racey if roaming is !manual */ 1474 lookup.se = NULL; 1475 lookup.mac = mac; 1476 lookup.esslen = ssid_len; 1477 lookup.essid = ssid; 1478 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1479 if (lookup.se == NULL) 1480 return ENOENT; 1481 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1482 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1483 return EIO; /* XXX unique but could be better */ 1484 return 0; 1485 } 1486 1487 static __noinline int 1488 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1489 { 1490 struct ieee80211req_mlme mlme; 1491 int error; 1492 1493 if (ireq->i_len != sizeof(mlme)) 1494 return EINVAL; 1495 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1496 if (error) 1497 return error; 1498 if (mlme.im_op == IEEE80211_MLME_ASSOC) 1499 return setmlme_assoc(vap, mlme.im_macaddr, 1500 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1501 else 1502 return setmlme_common(vap, mlme.im_op, 1503 mlme.im_macaddr, mlme.im_reason); 1504 } 1505 1506 static __noinline int 1507 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1508 { 1509 uint8_t mac[IEEE80211_ADDR_LEN]; 1510 const struct ieee80211_aclator *acl = vap->iv_acl; 1511 int error; 1512 1513 if (ireq->i_len != sizeof(mac)) 1514 return EINVAL; 1515 error = copyin(ireq->i_data, mac, ireq->i_len); 1516 if (error) 1517 return error; 1518 if (acl == NULL) { 1519 acl = ieee80211_aclator_get("mac"); 1520 if (acl == NULL || !acl->iac_attach(vap)) 1521 return EINVAL; 1522 vap->iv_acl = acl; 1523 } 1524 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1525 acl->iac_add(vap, mac); 1526 else 1527 acl->iac_remove(vap, mac); 1528 return 0; 1529 } 1530 1531 static __noinline int 1532 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1533 { 1534 const struct ieee80211_aclator *acl = vap->iv_acl; 1535 1536 switch (ireq->i_val) { 1537 case IEEE80211_MACCMD_POLICY_OPEN: 1538 case IEEE80211_MACCMD_POLICY_ALLOW: 1539 case IEEE80211_MACCMD_POLICY_DENY: 1540 case IEEE80211_MACCMD_POLICY_RADIUS: 1541 if (acl == NULL) { 1542 acl = ieee80211_aclator_get("mac"); 1543 if (acl == NULL || !acl->iac_attach(vap)) 1544 return EINVAL; 1545 vap->iv_acl = acl; 1546 } 1547 acl->iac_setpolicy(vap, ireq->i_val); 1548 break; 1549 case IEEE80211_MACCMD_FLUSH: 1550 if (acl != NULL) 1551 acl->iac_flush(vap); 1552 /* NB: silently ignore when not in use */ 1553 break; 1554 case IEEE80211_MACCMD_DETACH: 1555 if (acl != NULL) { 1556 vap->iv_acl = NULL; 1557 acl->iac_detach(vap); 1558 } 1559 break; 1560 default: 1561 if (acl == NULL) 1562 return EINVAL; 1563 else 1564 return acl->iac_setioctl(vap, ireq); 1565 } 1566 return 0; 1567 } 1568 1569 static __noinline int 1570 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1571 { 1572 struct ieee80211com *ic = vap->iv_ic; 1573 uint8_t *chanlist, *list; 1574 int i, nchan, maxchan, error; 1575 1576 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1577 ireq->i_len = sizeof(ic->ic_chan_active); 1578 list = kmalloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1579 M_INTWAIT | M_ZERO); 1580 if (list == NULL) 1581 return ENOMEM; 1582 error = copyin(ireq->i_data, list, ireq->i_len); 1583 if (error) { 1584 kfree(list, M_TEMP); 1585 return error; 1586 } 1587 nchan = 0; 1588 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1589 maxchan = ireq->i_len * NBBY; 1590 for (i = 0; i < ic->ic_nchans; i++) { 1591 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1592 /* 1593 * Calculate the intersection of the user list and the 1594 * available channels so users can do things like specify 1595 * 1-255 to get all available channels. 1596 */ 1597 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1598 setbit(chanlist, c->ic_ieee); 1599 nchan++; 1600 } 1601 } 1602 if (nchan == 0) { 1603 kfree(list, M_TEMP); 1604 return EINVAL; 1605 } 1606 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1607 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1608 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1609 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1610 ieee80211_scan_flush(vap); 1611 kfree(list, M_TEMP); 1612 return ENETRESET; 1613 } 1614 1615 static __noinline int 1616 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1617 { 1618 struct ieee80211_node *ni; 1619 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1620 int error; 1621 1622 /* 1623 * NB: we could copyin ieee80211req_sta_stats so apps 1624 * could make selective changes but that's overkill; 1625 * just clear all stats for now. 1626 */ 1627 if (ireq->i_len < IEEE80211_ADDR_LEN) 1628 return EINVAL; 1629 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1630 if (error != 0) 1631 return error; 1632 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1633 if (ni == NULL) 1634 return ENOENT; 1635 /* XXX require ni_vap == vap? */ 1636 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1637 ieee80211_free_node(ni); 1638 return 0; 1639 } 1640 1641 static __noinline int 1642 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1643 { 1644 struct ieee80211_node *ni; 1645 struct ieee80211req_sta_txpow txpow; 1646 int error; 1647 1648 if (ireq->i_len != sizeof(txpow)) 1649 return EINVAL; 1650 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1651 if (error != 0) 1652 return error; 1653 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1654 if (ni == NULL) 1655 return ENOENT; 1656 ni->ni_txpower = txpow.it_txpow; 1657 ieee80211_free_node(ni); 1658 return error; 1659 } 1660 1661 static __noinline int 1662 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1663 { 1664 struct ieee80211com *ic = vap->iv_ic; 1665 struct ieee80211_wme_state *wme = &ic->ic_wme; 1666 struct wmeParams *wmep, *chanp; 1667 int isbss, ac; 1668 1669 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1670 return EOPNOTSUPP; 1671 1672 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1673 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1674 if (ac >= WME_NUM_AC) 1675 ac = WME_AC_BE; 1676 if (isbss) { 1677 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1678 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1679 } else { 1680 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1681 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1682 } 1683 switch (ireq->i_type) { 1684 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1685 if (isbss) { 1686 wmep->wmep_logcwmin = ireq->i_val; 1687 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1688 chanp->wmep_logcwmin = ireq->i_val; 1689 } else { 1690 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1691 ireq->i_val; 1692 } 1693 break; 1694 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1695 if (isbss) { 1696 wmep->wmep_logcwmax = ireq->i_val; 1697 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1698 chanp->wmep_logcwmax = ireq->i_val; 1699 } else { 1700 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1701 ireq->i_val; 1702 } 1703 break; 1704 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1705 if (isbss) { 1706 wmep->wmep_aifsn = ireq->i_val; 1707 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1708 chanp->wmep_aifsn = ireq->i_val; 1709 } else { 1710 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1711 } 1712 break; 1713 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1714 if (isbss) { 1715 wmep->wmep_txopLimit = ireq->i_val; 1716 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1717 chanp->wmep_txopLimit = ireq->i_val; 1718 } else { 1719 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1720 ireq->i_val; 1721 } 1722 break; 1723 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1724 wmep->wmep_acm = ireq->i_val; 1725 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1726 chanp->wmep_acm = ireq->i_val; 1727 break; 1728 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1729 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1730 (ireq->i_val) == 0; 1731 break; 1732 } 1733 ieee80211_wme_updateparams(vap); 1734 return 0; 1735 } 1736 1737 static int 1738 find11gchannel(struct ieee80211com *ic, int start, int freq) 1739 { 1740 const struct ieee80211_channel *c; 1741 int i; 1742 1743 for (i = start+1; i < ic->ic_nchans; i++) { 1744 c = &ic->ic_channels[i]; 1745 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1746 return 1; 1747 } 1748 /* NB: should not be needed but in case things are mis-sorted */ 1749 for (i = 0; i < start; i++) { 1750 c = &ic->ic_channels[i]; 1751 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1752 return 1; 1753 } 1754 return 0; 1755 } 1756 1757 static struct ieee80211_channel * 1758 findchannel(struct ieee80211com *ic, int ieee, int mode) 1759 { 1760 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1761 [IEEE80211_MODE_AUTO] = 0, 1762 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1763 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1764 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1765 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1766 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1767 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1768 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1769 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1770 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1771 /* NB: handled specially below */ 1772 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1773 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1774 }; 1775 u_int modeflags; 1776 int i; 1777 1778 modeflags = chanflags[mode]; 1779 for (i = 0; i < ic->ic_nchans; i++) { 1780 struct ieee80211_channel *c = &ic->ic_channels[i]; 1781 1782 if (c->ic_ieee != ieee) 1783 continue; 1784 if (mode == IEEE80211_MODE_AUTO) { 1785 /* ignore turbo channels for autoselect */ 1786 if (IEEE80211_IS_CHAN_TURBO(c)) 1787 continue; 1788 /* 1789 * XXX special-case 11b/g channels so we 1790 * always select the g channel if both 1791 * are present. 1792 * XXX prefer HT to non-HT? 1793 */ 1794 if (!IEEE80211_IS_CHAN_B(c) || 1795 !find11gchannel(ic, i, c->ic_freq)) 1796 return c; 1797 } else { 1798 /* must check HT specially */ 1799 if ((mode == IEEE80211_MODE_11NA || 1800 mode == IEEE80211_MODE_11NG) && 1801 !IEEE80211_IS_CHAN_HT(c)) 1802 continue; 1803 if ((c->ic_flags & modeflags) == modeflags) 1804 return c; 1805 } 1806 } 1807 return NULL; 1808 } 1809 1810 /* 1811 * Check the specified against any desired mode (aka netband). 1812 * This is only used (presently) when operating in hostap mode 1813 * to enforce consistency. 1814 */ 1815 static int 1816 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1817 { 1818 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1819 1820 switch (mode) { 1821 case IEEE80211_MODE_11B: 1822 return (IEEE80211_IS_CHAN_B(c)); 1823 case IEEE80211_MODE_11G: 1824 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1825 case IEEE80211_MODE_11A: 1826 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1827 case IEEE80211_MODE_STURBO_A: 1828 return (IEEE80211_IS_CHAN_STURBO(c)); 1829 case IEEE80211_MODE_11NA: 1830 return (IEEE80211_IS_CHAN_HTA(c)); 1831 case IEEE80211_MODE_11NG: 1832 return (IEEE80211_IS_CHAN_HTG(c)); 1833 } 1834 return 1; 1835 1836 } 1837 1838 /* 1839 * Common code to set the current channel. If the device 1840 * is up and running this may result in an immediate channel 1841 * change or a kick of the state machine. 1842 */ 1843 static int 1844 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1845 { 1846 struct ieee80211com *ic = vap->iv_ic; 1847 int error; 1848 1849 if (c != IEEE80211_CHAN_ANYC) { 1850 if (IEEE80211_IS_CHAN_RADAR(c)) 1851 return EBUSY; /* XXX better code? */ 1852 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1853 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1854 return EINVAL; 1855 if (!check_mode_consistency(c, vap->iv_des_mode)) 1856 return EINVAL; 1857 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1858 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1859 return EINVAL; 1860 } 1861 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 1862 vap->iv_bss->ni_chan == c) 1863 return 0; /* NB: nothing to do */ 1864 } 1865 vap->iv_des_chan = c; 1866 1867 error = 0; 1868 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1869 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1870 /* 1871 * Monitor mode can switch directly. 1872 */ 1873 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1874 /* XXX need state machine for other vap's to follow */ 1875 ieee80211_setcurchan(ic, vap->iv_des_chan); 1876 vap->iv_bss->ni_chan = ic->ic_curchan; 1877 } else 1878 ic->ic_curchan = vap->iv_des_chan; 1879 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1880 } else { 1881 /* 1882 * Need to go through the state machine in case we 1883 * need to reassociate or the like. The state machine 1884 * will pickup the desired channel and avoid scanning. 1885 */ 1886 if (IS_UP_AUTO(vap)) 1887 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1888 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1889 /* 1890 * When not up+running and a real channel has 1891 * been specified fix the current channel so 1892 * there is immediate feedback; e.g. via ifconfig. 1893 */ 1894 ic->ic_curchan = vap->iv_des_chan; 1895 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1896 } 1897 } 1898 return error; 1899 } 1900 1901 /* 1902 * Old api for setting the current channel; this is 1903 * deprecated because channel numbers are ambiguous. 1904 */ 1905 static __noinline int 1906 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 1907 const struct ieee80211req *ireq) 1908 { 1909 struct ieee80211com *ic = vap->iv_ic; 1910 struct ieee80211_channel *c; 1911 1912 /* XXX 0xffff overflows 16-bit signed */ 1913 if (ireq->i_val == 0 || 1914 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 1915 c = IEEE80211_CHAN_ANYC; 1916 } else { 1917 struct ieee80211_channel *c2; 1918 1919 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 1920 if (c == NULL) { 1921 c = findchannel(ic, ireq->i_val, 1922 IEEE80211_MODE_AUTO); 1923 if (c == NULL) 1924 return EINVAL; 1925 } 1926 /* 1927 * Fine tune channel selection based on desired mode: 1928 * if 11b is requested, find the 11b version of any 1929 * 11g channel returned, 1930 * if static turbo, find the turbo version of any 1931 * 11a channel return, 1932 * if 11na is requested, find the ht version of any 1933 * 11a channel returned, 1934 * if 11ng is requested, find the ht version of any 1935 * 11g channel returned, 1936 * otherwise we should be ok with what we've got. 1937 */ 1938 switch (vap->iv_des_mode) { 1939 case IEEE80211_MODE_11B: 1940 if (IEEE80211_IS_CHAN_ANYG(c)) { 1941 c2 = findchannel(ic, ireq->i_val, 1942 IEEE80211_MODE_11B); 1943 /* NB: should not happen, =>'s 11g w/o 11b */ 1944 if (c2 != NULL) 1945 c = c2; 1946 } 1947 break; 1948 case IEEE80211_MODE_TURBO_A: 1949 if (IEEE80211_IS_CHAN_A(c)) { 1950 c2 = findchannel(ic, ireq->i_val, 1951 IEEE80211_MODE_TURBO_A); 1952 if (c2 != NULL) 1953 c = c2; 1954 } 1955 break; 1956 case IEEE80211_MODE_11NA: 1957 if (IEEE80211_IS_CHAN_A(c)) { 1958 c2 = findchannel(ic, ireq->i_val, 1959 IEEE80211_MODE_11NA); 1960 if (c2 != NULL) 1961 c = c2; 1962 } 1963 break; 1964 case IEEE80211_MODE_11NG: 1965 if (IEEE80211_IS_CHAN_ANYG(c)) { 1966 c2 = findchannel(ic, ireq->i_val, 1967 IEEE80211_MODE_11NG); 1968 if (c2 != NULL) 1969 c = c2; 1970 } 1971 break; 1972 default: /* NB: no static turboG */ 1973 break; 1974 } 1975 } 1976 return setcurchan(vap, c); 1977 } 1978 1979 /* 1980 * New/current api for setting the current channel; a complete 1981 * channel description is provide so there is no ambiguity in 1982 * identifying the channel. 1983 */ 1984 static __noinline int 1985 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 1986 const struct ieee80211req *ireq) 1987 { 1988 struct ieee80211com *ic = vap->iv_ic; 1989 struct ieee80211_channel chan, *c; 1990 int error; 1991 1992 if (ireq->i_len != sizeof(chan)) 1993 return EINVAL; 1994 error = copyin(ireq->i_data, &chan, sizeof(chan)); 1995 if (error != 0) 1996 return error; 1997 /* XXX 0xffff overflows 16-bit signed */ 1998 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 1999 c = IEEE80211_CHAN_ANYC; 2000 } else { 2001 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2002 if (c == NULL) 2003 return EINVAL; 2004 } 2005 return setcurchan(vap, c); 2006 } 2007 2008 static __noinline int 2009 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2010 const struct ieee80211req *ireq) 2011 { 2012 struct ieee80211_regdomain_req *reg; 2013 int nchans, error; 2014 2015 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2016 sizeof(struct ieee80211_channel)); 2017 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2018 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2019 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2020 ireq->i_len, nchans); 2021 return EINVAL; 2022 } 2023 reg = (struct ieee80211_regdomain_req *) 2024 kmalloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_INTWAIT); 2025 if (reg == NULL) { 2026 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2027 "%s: no memory, nchans %d\n", __func__, nchans); 2028 return ENOMEM; 2029 } 2030 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2031 if (error == 0) { 2032 /* NB: validate inline channel count against storage size */ 2033 if (reg->chaninfo.ic_nchans != nchans) { 2034 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2035 "%s: chan cnt mismatch, %d != %d\n", __func__, 2036 reg->chaninfo.ic_nchans, nchans); 2037 error = EINVAL; 2038 } else 2039 error = ieee80211_setregdomain(vap, reg); 2040 } 2041 kfree(reg, M_TEMP); 2042 2043 return (error == 0 ? ENETRESET : error); 2044 } 2045 2046 static int 2047 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2048 const struct ieee80211req *ireq) 2049 { 2050 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2051 return EINVAL; 2052 /* XXX validate params */ 2053 /* XXX? ENETRESET to push to device? */ 2054 return copyin(ireq->i_data, vap->iv_roamparms, 2055 sizeof(vap->iv_roamparms)); 2056 } 2057 2058 static int 2059 checkrate(const struct ieee80211_rateset *rs, int rate) 2060 { 2061 int i; 2062 2063 if (rate == IEEE80211_FIXED_RATE_NONE) 2064 return 1; 2065 for (i = 0; i < rs->rs_nrates; i++) 2066 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2067 return 1; 2068 return 0; 2069 } 2070 2071 static int 2072 checkmcs(int mcs) 2073 { 2074 if (mcs == IEEE80211_FIXED_RATE_NONE) 2075 return 1; 2076 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2077 return 0; 2078 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2079 } 2080 2081 static __noinline int 2082 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2083 const struct ieee80211req *ireq) 2084 { 2085 struct ieee80211com *ic = vap->iv_ic; 2086 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2087 struct ieee80211_txparam *src, *dst; 2088 const struct ieee80211_rateset *rs; 2089 int error, mode, changed, is11n, nmodes; 2090 2091 /* NB: accept short requests for backwards compat */ 2092 if (ireq->i_len > sizeof(parms)) 2093 return EINVAL; 2094 error = copyin(ireq->i_data, &parms, ireq->i_len); 2095 if (error != 0) 2096 return error; 2097 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2098 changed = 0; 2099 /* validate parameters and check if anything changed */ 2100 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2101 if (isclr(ic->ic_modecaps, mode)) 2102 continue; 2103 src = &parms.params[mode]; 2104 dst = &vap->iv_txparms[mode]; 2105 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2106 is11n = (mode == IEEE80211_MODE_11NA || 2107 mode == IEEE80211_MODE_11NG); 2108 if (src->ucastrate != dst->ucastrate) { 2109 if (!checkrate(rs, src->ucastrate) && 2110 (!is11n || !checkmcs(src->ucastrate))) 2111 return EINVAL; 2112 changed++; 2113 } 2114 if (src->mcastrate != dst->mcastrate) { 2115 if (!checkrate(rs, src->mcastrate) && 2116 (!is11n || !checkmcs(src->mcastrate))) 2117 return EINVAL; 2118 changed++; 2119 } 2120 if (src->mgmtrate != dst->mgmtrate) { 2121 if (!checkrate(rs, src->mgmtrate) && 2122 (!is11n || !checkmcs(src->mgmtrate))) 2123 return EINVAL; 2124 changed++; 2125 } 2126 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2127 changed++; 2128 } 2129 if (changed) { 2130 /* 2131 * Copy new parameters in place and notify the 2132 * driver so it can push state to the device. 2133 */ 2134 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2135 if (isset(ic->ic_modecaps, mode)) 2136 vap->iv_txparms[mode] = parms.params[mode]; 2137 } 2138 /* XXX could be more intelligent, 2139 e.g. don't reset if setting not being used */ 2140 return ENETRESET; 2141 } 2142 return 0; 2143 } 2144 2145 /* 2146 * Application Information Element support. 2147 */ 2148 static int 2149 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2150 { 2151 struct ieee80211_appie *app = *aie; 2152 struct ieee80211_appie *napp; 2153 int error; 2154 2155 if (ireq->i_len == 0) { /* delete any existing ie */ 2156 if (app != NULL) { 2157 *aie = NULL; /* XXX racey */ 2158 kfree(app, M_80211_NODE_IE); 2159 } 2160 return 0; 2161 } 2162 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2163 return EINVAL; 2164 /* 2165 * Allocate a new appie structure and copy in the user data. 2166 * When done swap in the new structure. Note that we do not 2167 * guard against users holding a ref to the old structure; 2168 * this must be handled outside this code. 2169 * 2170 * XXX bad bad bad 2171 */ 2172 napp = (struct ieee80211_appie *) kmalloc( 2173 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2174 M_INTWAIT); 2175 if (napp == NULL) 2176 return ENOMEM; 2177 /* XXX holding ic lock */ 2178 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2179 if (error) { 2180 kfree(napp, M_80211_NODE_IE); 2181 return error; 2182 } 2183 napp->ie_len = ireq->i_len; 2184 *aie = napp; 2185 if (app != NULL) 2186 kfree(app, M_80211_NODE_IE); 2187 return 0; 2188 } 2189 2190 static void 2191 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2192 { 2193 /* validate data is present as best we can */ 2194 if (space == 0 || 2+ie[1] > space) 2195 return; 2196 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2197 vap->iv_wpa_ie = ie; 2198 else if (ie[0] == IEEE80211_ELEMID_RSN) 2199 vap->iv_rsn_ie = ie; 2200 } 2201 2202 static __noinline int 2203 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2204 const struct ieee80211req *ireq, int fc0) 2205 { 2206 int error; 2207 2208 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2209 case IEEE80211_FC0_SUBTYPE_BEACON: 2210 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2211 vap->iv_opmode != IEEE80211_M_IBSS) { 2212 error = EINVAL; 2213 break; 2214 } 2215 error = setappie(&vap->iv_appie_beacon, ireq); 2216 if (error == 0) 2217 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2218 break; 2219 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2220 error = setappie(&vap->iv_appie_proberesp, ireq); 2221 break; 2222 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2223 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2224 error = setappie(&vap->iv_appie_assocresp, ireq); 2225 else 2226 error = EINVAL; 2227 break; 2228 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2229 error = setappie(&vap->iv_appie_probereq, ireq); 2230 break; 2231 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2232 if (vap->iv_opmode == IEEE80211_M_STA) 2233 error = setappie(&vap->iv_appie_assocreq, ireq); 2234 else 2235 error = EINVAL; 2236 break; 2237 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2238 error = setappie(&vap->iv_appie_wpa, ireq); 2239 if (error == 0) { 2240 /* 2241 * Must split single blob of data into separate 2242 * WPA and RSN ie's because they go in different 2243 * locations in the mgt frames. 2244 * XXX use IEEE80211_IOC_WPA2 so user code does split 2245 */ 2246 vap->iv_wpa_ie = NULL; 2247 vap->iv_rsn_ie = NULL; 2248 if (vap->iv_appie_wpa != NULL) { 2249 struct ieee80211_appie *appie = 2250 vap->iv_appie_wpa; 2251 uint8_t *data = appie->ie_data; 2252 2253 /* XXX ie length validate is painful, cheat */ 2254 setwparsnie(vap, data, appie->ie_len); 2255 setwparsnie(vap, data + 2 + data[1], 2256 appie->ie_len - (2 + data[1])); 2257 } 2258 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2259 vap->iv_opmode == IEEE80211_M_IBSS) { 2260 /* 2261 * Must rebuild beacon frame as the update 2262 * mechanism doesn't handle WPA/RSN ie's. 2263 * Could extend it but it doesn't normally 2264 * change; this is just to deal with hostapd 2265 * plumbing the ie after the interface is up. 2266 */ 2267 error = ENETRESET; 2268 } 2269 } 2270 break; 2271 default: 2272 error = EINVAL; 2273 break; 2274 } 2275 return error; 2276 } 2277 2278 static __noinline int 2279 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2280 const struct ieee80211req *ireq) 2281 { 2282 int error; 2283 uint8_t fc0; 2284 2285 fc0 = ireq->i_val & 0xff; 2286 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2287 return EINVAL; 2288 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2289 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2290 return error; 2291 } 2292 2293 static __noinline int 2294 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2295 { 2296 struct ieee80211com *ic = vap->iv_ic; 2297 struct ieee80211_chanswitch_req csr; 2298 struct ieee80211_channel *c; 2299 int error; 2300 2301 if (ireq->i_len != sizeof(csr)) 2302 return EINVAL; 2303 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2304 if (error != 0) 2305 return error; 2306 /* XXX adhoc mode not supported */ 2307 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2308 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2309 return EOPNOTSUPP; 2310 c = ieee80211_find_channel(ic, 2311 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2312 if (c == NULL) 2313 return ENOENT; 2314 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2315 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2316 else if (csr.csa_count == 0) 2317 ieee80211_csa_cancelswitch(ic); 2318 else 2319 error = EBUSY; 2320 return error; 2321 } 2322 2323 static __noinline int 2324 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2325 { 2326 #define IEEE80211_IOC_SCAN_FLAGS \ 2327 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2328 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2329 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2330 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2331 IEEE80211_IOC_SCAN_CHECK) 2332 struct ieee80211com *ic = vap->iv_ic; 2333 struct ieee80211_scan_req sr; /* XXX off stack? */ 2334 int error, i; 2335 2336 /* NB: parent must be running */ 2337 if ((ic->ic_ifp->if_flags & IFF_RUNNING) == 0) 2338 return ENXIO; 2339 2340 if (ireq->i_len != sizeof(sr)) 2341 return EINVAL; 2342 error = copyin(ireq->i_data, &sr, sizeof(sr)); 2343 if (error != 0) 2344 return error; 2345 /* convert duration */ 2346 if (sr.sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2347 sr.sr_duration = IEEE80211_SCAN_FOREVER; 2348 else { 2349 if (sr.sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2350 sr.sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2351 return EINVAL; 2352 sr.sr_duration = msecs_to_ticks(sr.sr_duration); 2353 if (sr.sr_duration < 1) 2354 sr.sr_duration = 1; 2355 } 2356 /* convert min/max channel dwell */ 2357 if (sr.sr_mindwell != 0) { 2358 sr.sr_mindwell = msecs_to_ticks(sr.sr_mindwell); 2359 if (sr.sr_mindwell < 1) 2360 sr.sr_mindwell = 1; 2361 } 2362 if (sr.sr_maxdwell != 0) { 2363 sr.sr_maxdwell = msecs_to_ticks(sr.sr_maxdwell); 2364 if (sr.sr_maxdwell < 1) 2365 sr.sr_maxdwell = 1; 2366 } 2367 /* NB: silently reduce ssid count to what is supported */ 2368 if (sr.sr_nssid > IEEE80211_SCAN_MAX_SSID) 2369 sr.sr_nssid = IEEE80211_SCAN_MAX_SSID; 2370 for (i = 0; i < sr.sr_nssid; i++) 2371 if (sr.sr_ssid[i].len > IEEE80211_NWID_LEN) 2372 return EINVAL; 2373 /* cleanse flags just in case, could reject if invalid flags */ 2374 sr.sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2375 /* 2376 * Add an implicit NOPICK if the vap is not marked UP. This 2377 * allows applications to scan without joining a bss (or picking 2378 * a channel and setting up a bss) and without forcing manual 2379 * roaming mode--you just need to mark the parent device UP. 2380 */ 2381 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2382 sr.sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2383 2384 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2385 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2386 __func__, sr.sr_flags, 2387 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2388 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, sr.sr_nssid); 2389 /* 2390 * If we are in INIT state then the driver has never had a chance 2391 * to setup hardware state to do a scan; we must use the state 2392 * machine to get us up to the SCAN state but once we reach SCAN 2393 * state we then want to use the supplied params. Stash the 2394 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2395 * state machines will recognize this and use the stashed params 2396 * to issue the scan request. 2397 * 2398 * Otherwise just invoke the scan machinery directly. 2399 */ 2400 if (vap->iv_state == IEEE80211_S_INIT) { 2401 /* NB: clobbers previous settings */ 2402 vap->iv_scanreq_flags = sr.sr_flags; 2403 vap->iv_scanreq_duration = sr.sr_duration; 2404 vap->iv_scanreq_nssid = sr.sr_nssid; 2405 for (i = 0; i < sr.sr_nssid; i++) { 2406 vap->iv_scanreq_ssid[i].len = sr.sr_ssid[i].len; 2407 memcpy(vap->iv_scanreq_ssid[i].ssid, sr.sr_ssid[i].ssid, 2408 sr.sr_ssid[i].len); 2409 } 2410 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2411 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2412 } else { 2413 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2414 /* XXX neeed error return codes */ 2415 if (sr.sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2416 (void) ieee80211_check_scan(vap, sr.sr_flags, 2417 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, 2418 sr.sr_nssid, 2419 /* NB: cheat, we assume structures are compatible */ 2420 (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]); 2421 } else { 2422 (void) ieee80211_start_scan(vap, sr.sr_flags, 2423 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, 2424 sr.sr_nssid, 2425 /* NB: cheat, we assume structures are compatible */ 2426 (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]); 2427 } 2428 } 2429 return error; 2430 #undef IEEE80211_IOC_SCAN_FLAGS 2431 } 2432 2433 static __noinline int 2434 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2435 { 2436 struct ieee80211_node *ni; 2437 struct ieee80211req_sta_vlan vlan; 2438 int error; 2439 2440 if (ireq->i_len != sizeof(vlan)) 2441 return EINVAL; 2442 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2443 if (error != 0) 2444 return error; 2445 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2446 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2447 vlan.sv_macaddr); 2448 if (ni == NULL) 2449 return ENOENT; 2450 } else 2451 ni = ieee80211_ref_node(vap->iv_bss); 2452 ni->ni_vlan = vlan.sv_vlan; 2453 ieee80211_free_node(ni); 2454 return error; 2455 } 2456 2457 static int 2458 isvap11g(const struct ieee80211vap *vap) 2459 { 2460 const struct ieee80211_node *bss = vap->iv_bss; 2461 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2462 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2463 } 2464 2465 static int 2466 isvapht(const struct ieee80211vap *vap) 2467 { 2468 const struct ieee80211_node *bss = vap->iv_bss; 2469 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2470 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2471 } 2472 2473 /* 2474 * Dummy ioctl set handler so the linker set is defined. 2475 */ 2476 static int 2477 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2478 { 2479 return ENOSYS; 2480 } 2481 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2482 2483 static int 2484 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2485 { 2486 ieee80211_ioctl_setfunc * const *set; 2487 int error; 2488 2489 SET_FOREACH(set, ieee80211_ioctl_setset) { 2490 error = (*set)(vap, ireq); 2491 if (error != ENOSYS) 2492 return error; 2493 } 2494 return EINVAL; 2495 } 2496 2497 static __noinline int 2498 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2499 { 2500 struct ieee80211com *ic = vap->iv_ic; 2501 int error; 2502 const struct ieee80211_authenticator *auth; 2503 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2504 char tmpssid[IEEE80211_NWID_LEN]; 2505 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2506 struct ieee80211_key *k; 2507 u_int kid; 2508 uint32_t flags; 2509 2510 error = 0; 2511 switch (ireq->i_type) { 2512 case IEEE80211_IOC_SSID: 2513 if (ireq->i_val != 0 || 2514 ireq->i_len > IEEE80211_NWID_LEN) 2515 return EINVAL; 2516 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2517 if (error) 2518 break; 2519 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2520 vap->iv_des_ssid[0].len = ireq->i_len; 2521 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2522 vap->iv_des_nssid = (ireq->i_len > 0); 2523 error = ENETRESET; 2524 break; 2525 case IEEE80211_IOC_WEP: 2526 switch (ireq->i_val) { 2527 case IEEE80211_WEP_OFF: 2528 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2529 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2530 break; 2531 case IEEE80211_WEP_ON: 2532 vap->iv_flags |= IEEE80211_F_PRIVACY; 2533 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2534 break; 2535 case IEEE80211_WEP_MIXED: 2536 vap->iv_flags |= IEEE80211_F_PRIVACY; 2537 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2538 break; 2539 } 2540 error = ENETRESET; 2541 break; 2542 case IEEE80211_IOC_WEPKEY: 2543 kid = (u_int) ireq->i_val; 2544 if (kid >= IEEE80211_WEP_NKID) 2545 return EINVAL; 2546 k = &vap->iv_nw_keys[kid]; 2547 if (ireq->i_len == 0) { 2548 /* zero-len =>'s delete any existing key */ 2549 (void) ieee80211_crypto_delkey(vap, k); 2550 break; 2551 } 2552 if (ireq->i_len > sizeof(tmpkey)) 2553 return EINVAL; 2554 memset(tmpkey, 0, sizeof(tmpkey)); 2555 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2556 if (error) 2557 break; 2558 ieee80211_key_update_begin(vap); 2559 k->wk_keyix = kid; /* NB: force fixed key id */ 2560 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2561 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2562 k->wk_keylen = ireq->i_len; 2563 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2564 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2565 if (!ieee80211_crypto_setkey(vap, k)) 2566 error = EINVAL; 2567 } else 2568 error = EINVAL; 2569 ieee80211_key_update_end(vap); 2570 break; 2571 case IEEE80211_IOC_WEPTXKEY: 2572 kid = (u_int) ireq->i_val; 2573 if (kid >= IEEE80211_WEP_NKID && 2574 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2575 return EINVAL; 2576 vap->iv_def_txkey = kid; 2577 break; 2578 case IEEE80211_IOC_AUTHMODE: 2579 switch (ireq->i_val) { 2580 case IEEE80211_AUTH_WPA: 2581 case IEEE80211_AUTH_8021X: /* 802.1x */ 2582 case IEEE80211_AUTH_OPEN: /* open */ 2583 case IEEE80211_AUTH_SHARED: /* shared-key */ 2584 case IEEE80211_AUTH_AUTO: /* auto */ 2585 auth = ieee80211_authenticator_get(ireq->i_val); 2586 if (auth == NULL) 2587 return EINVAL; 2588 break; 2589 default: 2590 return EINVAL; 2591 } 2592 switch (ireq->i_val) { 2593 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2594 vap->iv_flags |= IEEE80211_F_PRIVACY; 2595 ireq->i_val = IEEE80211_AUTH_8021X; 2596 break; 2597 case IEEE80211_AUTH_OPEN: /* open */ 2598 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2599 break; 2600 case IEEE80211_AUTH_SHARED: /* shared-key */ 2601 case IEEE80211_AUTH_8021X: /* 802.1x */ 2602 vap->iv_flags &= ~IEEE80211_F_WPA; 2603 /* both require a key so mark the PRIVACY capability */ 2604 vap->iv_flags |= IEEE80211_F_PRIVACY; 2605 break; 2606 case IEEE80211_AUTH_AUTO: /* auto */ 2607 vap->iv_flags &= ~IEEE80211_F_WPA; 2608 /* XXX PRIVACY handling? */ 2609 /* XXX what's the right way to do this? */ 2610 break; 2611 } 2612 /* NB: authenticator attach/detach happens on state change */ 2613 vap->iv_bss->ni_authmode = ireq->i_val; 2614 /* XXX mixed/mode/usage? */ 2615 vap->iv_auth = auth; 2616 error = ENETRESET; 2617 break; 2618 case IEEE80211_IOC_CHANNEL: 2619 error = ieee80211_ioctl_setchannel(vap, ireq); 2620 break; 2621 case IEEE80211_IOC_POWERSAVE: 2622 switch (ireq->i_val) { 2623 case IEEE80211_POWERSAVE_OFF: 2624 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2625 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2626 error = ERESTART; 2627 } 2628 break; 2629 case IEEE80211_POWERSAVE_ON: 2630 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2631 error = EOPNOTSUPP; 2632 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2633 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2634 error = ERESTART; 2635 } 2636 break; 2637 default: 2638 error = EINVAL; 2639 break; 2640 } 2641 break; 2642 case IEEE80211_IOC_POWERSAVESLEEP: 2643 if (ireq->i_val < 0) 2644 return EINVAL; 2645 ic->ic_lintval = ireq->i_val; 2646 error = ERESTART; 2647 break; 2648 case IEEE80211_IOC_RTSTHRESHOLD: 2649 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2650 ireq->i_val <= IEEE80211_RTS_MAX)) 2651 return EINVAL; 2652 vap->iv_rtsthreshold = ireq->i_val; 2653 error = ERESTART; 2654 break; 2655 case IEEE80211_IOC_PROTMODE: 2656 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2657 return EINVAL; 2658 ic->ic_protmode = ireq->i_val; 2659 /* NB: if not operating in 11g this can wait */ 2660 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2661 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2662 error = ERESTART; 2663 break; 2664 case IEEE80211_IOC_TXPOWER: 2665 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2666 return EOPNOTSUPP; 2667 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2668 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2669 return EINVAL; 2670 ic->ic_txpowlimit = ireq->i_val; 2671 error = ERESTART; 2672 break; 2673 case IEEE80211_IOC_ROAMING: 2674 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2675 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2676 return EINVAL; 2677 vap->iv_roaming = ireq->i_val; 2678 /* XXXX reset? */ 2679 break; 2680 case IEEE80211_IOC_PRIVACY: 2681 if (ireq->i_val) { 2682 /* XXX check for key state? */ 2683 vap->iv_flags |= IEEE80211_F_PRIVACY; 2684 } else 2685 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2686 /* XXX ERESTART? */ 2687 break; 2688 case IEEE80211_IOC_DROPUNENCRYPTED: 2689 if (ireq->i_val) 2690 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2691 else 2692 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2693 /* XXX ERESTART? */ 2694 break; 2695 case IEEE80211_IOC_WPAKEY: 2696 error = ieee80211_ioctl_setkey(vap, ireq); 2697 break; 2698 case IEEE80211_IOC_DELKEY: 2699 error = ieee80211_ioctl_delkey(vap, ireq); 2700 break; 2701 case IEEE80211_IOC_MLME: 2702 error = ieee80211_ioctl_setmlme(vap, ireq); 2703 break; 2704 case IEEE80211_IOC_COUNTERMEASURES: 2705 if (ireq->i_val) { 2706 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2707 return EOPNOTSUPP; 2708 vap->iv_flags |= IEEE80211_F_COUNTERM; 2709 } else 2710 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2711 /* XXX ERESTART? */ 2712 break; 2713 case IEEE80211_IOC_WPA: 2714 if (ireq->i_val > 3) 2715 return EINVAL; 2716 /* XXX verify ciphers available */ 2717 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2718 switch (ireq->i_val) { 2719 case 1: 2720 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2721 return EOPNOTSUPP; 2722 flags |= IEEE80211_F_WPA1; 2723 break; 2724 case 2: 2725 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2726 return EOPNOTSUPP; 2727 flags |= IEEE80211_F_WPA2; 2728 break; 2729 case 3: 2730 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2731 return EOPNOTSUPP; 2732 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2733 break; 2734 default: /* Can't set any -> error */ 2735 return EOPNOTSUPP; 2736 } 2737 vap->iv_flags = flags; 2738 error = ERESTART; /* NB: can change beacon frame */ 2739 break; 2740 case IEEE80211_IOC_WME: 2741 if (ireq->i_val) { 2742 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2743 return EOPNOTSUPP; 2744 ieee80211_syncflag(vap, IEEE80211_F_WME); 2745 } else 2746 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2747 error = ERESTART; /* NB: can change beacon frame */ 2748 break; 2749 case IEEE80211_IOC_HIDESSID: 2750 if (ireq->i_val) 2751 vap->iv_flags |= IEEE80211_F_HIDESSID; 2752 else 2753 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2754 error = ERESTART; /* XXX ENETRESET? */ 2755 break; 2756 case IEEE80211_IOC_APBRIDGE: 2757 if (ireq->i_val == 0) 2758 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2759 else 2760 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2761 break; 2762 case IEEE80211_IOC_BSSID: 2763 if (ireq->i_len != sizeof(tmpbssid)) 2764 return EINVAL; 2765 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2766 if (error) 2767 break; 2768 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2769 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2770 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2771 else 2772 vap->iv_flags |= IEEE80211_F_DESBSSID; 2773 error = ENETRESET; 2774 break; 2775 case IEEE80211_IOC_CHANLIST: 2776 error = ieee80211_ioctl_setchanlist(vap, ireq); 2777 break; 2778 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2779 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2780 case OLD_IEEE80211_IOC_SCAN_REQ: 2781 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2782 "%s: active scan request\n", __func__); 2783 /* 2784 * If we are in INIT state then the driver has never 2785 * had a chance to setup hardware state to do a scan; 2786 * use the state machine to get us up the SCAN state. 2787 * Otherwise just invoke the scan machinery to start 2788 * a one-time scan. 2789 */ 2790 if (vap->iv_state == IEEE80211_S_INIT) 2791 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2792 else 2793 (void) ieee80211_start_scan(vap, 2794 IEEE80211_SCAN_ACTIVE | 2795 IEEE80211_SCAN_NOPICK | 2796 IEEE80211_SCAN_ONCE, 2797 IEEE80211_SCAN_FOREVER, 0, 0, 2798 /* XXX use ioctl params */ 2799 vap->iv_des_nssid, vap->iv_des_ssid); 2800 break; 2801 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2802 case IEEE80211_IOC_SCAN_REQ: 2803 error = ieee80211_ioctl_scanreq(vap, ireq); 2804 break; 2805 case IEEE80211_IOC_SCAN_CANCEL: 2806 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2807 "%s: cancel scan\n", __func__); 2808 ieee80211_cancel_scan(vap); 2809 break; 2810 case IEEE80211_IOC_HTCONF: 2811 if (ireq->i_val & 1) 2812 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 2813 else 2814 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 2815 if (ireq->i_val & 2) 2816 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 2817 else 2818 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 2819 error = ENETRESET; 2820 break; 2821 case IEEE80211_IOC_ADDMAC: 2822 case IEEE80211_IOC_DELMAC: 2823 error = ieee80211_ioctl_macmac(vap, ireq); 2824 break; 2825 case IEEE80211_IOC_MACCMD: 2826 error = ieee80211_ioctl_setmaccmd(vap, ireq); 2827 break; 2828 case IEEE80211_IOC_STA_STATS: 2829 error = ieee80211_ioctl_setstastats(vap, ireq); 2830 break; 2831 case IEEE80211_IOC_STA_TXPOW: 2832 error = ieee80211_ioctl_setstatxpow(vap, ireq); 2833 break; 2834 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2835 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2836 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2837 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2838 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2839 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2840 error = ieee80211_ioctl_setwmeparam(vap, ireq); 2841 break; 2842 case IEEE80211_IOC_DTIM_PERIOD: 2843 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2844 vap->iv_opmode != IEEE80211_M_MBSS && 2845 vap->iv_opmode != IEEE80211_M_IBSS) 2846 return EINVAL; 2847 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2848 ireq->i_val <= IEEE80211_DTIM_MAX) { 2849 vap->iv_dtim_period = ireq->i_val; 2850 error = ENETRESET; /* requires restart */ 2851 } else 2852 error = EINVAL; 2853 break; 2854 case IEEE80211_IOC_BEACON_INTERVAL: 2855 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2856 vap->iv_opmode != IEEE80211_M_MBSS && 2857 vap->iv_opmode != IEEE80211_M_IBSS) 2858 return EINVAL; 2859 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2860 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2861 ic->ic_bintval = ireq->i_val; 2862 error = ENETRESET; /* requires restart */ 2863 } else 2864 error = EINVAL; 2865 break; 2866 case IEEE80211_IOC_PUREG: 2867 if (ireq->i_val) 2868 vap->iv_flags |= IEEE80211_F_PUREG; 2869 else 2870 vap->iv_flags &= ~IEEE80211_F_PUREG; 2871 /* NB: reset only if we're operating on an 11g channel */ 2872 if (isvap11g(vap)) 2873 error = ENETRESET; 2874 break; 2875 case IEEE80211_IOC_BGSCAN: 2876 if (ireq->i_val) { 2877 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 2878 return EOPNOTSUPP; 2879 vap->iv_flags |= IEEE80211_F_BGSCAN; 2880 } else 2881 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 2882 break; 2883 case IEEE80211_IOC_BGSCAN_IDLE: 2884 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 2885 vap->iv_bgscanidle = ireq->i_val*hz/1000; 2886 else 2887 error = EINVAL; 2888 break; 2889 case IEEE80211_IOC_BGSCAN_INTERVAL: 2890 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 2891 vap->iv_bgscanintvl = ireq->i_val*hz; 2892 else 2893 error = EINVAL; 2894 break; 2895 case IEEE80211_IOC_SCANVALID: 2896 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 2897 vap->iv_scanvalid = ireq->i_val*hz; 2898 else 2899 error = EINVAL; 2900 break; 2901 case IEEE80211_IOC_FRAGTHRESHOLD: 2902 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 2903 ireq->i_val != IEEE80211_FRAG_MAX) 2904 return EOPNOTSUPP; 2905 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 2906 ireq->i_val <= IEEE80211_FRAG_MAX)) 2907 return EINVAL; 2908 vap->iv_fragthreshold = ireq->i_val; 2909 error = ERESTART; 2910 break; 2911 case IEEE80211_IOC_BURST: 2912 if (ireq->i_val) { 2913 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 2914 return EOPNOTSUPP; 2915 ieee80211_syncflag(vap, IEEE80211_F_BURST); 2916 } else 2917 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 2918 error = ERESTART; 2919 break; 2920 case IEEE80211_IOC_BMISSTHRESHOLD: 2921 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 2922 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 2923 return EINVAL; 2924 vap->iv_bmissthreshold = ireq->i_val; 2925 error = ERESTART; 2926 break; 2927 case IEEE80211_IOC_CURCHAN: 2928 error = ieee80211_ioctl_setcurchan(vap, ireq); 2929 break; 2930 case IEEE80211_IOC_SHORTGI: 2931 if (ireq->i_val) { 2932 #define IEEE80211_HTCAP_SHORTGI \ 2933 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 2934 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 2935 return EINVAL; 2936 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 2937 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 2938 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 2939 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 2940 #undef IEEE80211_HTCAP_SHORTGI 2941 } else 2942 vap->iv_flags_ht &= 2943 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 2944 error = ERESTART; 2945 break; 2946 case IEEE80211_IOC_AMPDU: 2947 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 2948 return EINVAL; 2949 if (ireq->i_val & 1) 2950 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 2951 else 2952 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 2953 if (ireq->i_val & 2) 2954 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 2955 else 2956 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 2957 /* NB: reset only if we're operating on an 11n channel */ 2958 if (isvapht(vap)) 2959 error = ERESTART; 2960 break; 2961 case IEEE80211_IOC_AMPDU_LIMIT: 2962 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 2963 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 2964 return EINVAL; 2965 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2966 vap->iv_ampdu_rxmax = ireq->i_val; 2967 else 2968 vap->iv_ampdu_limit = ireq->i_val; 2969 error = ERESTART; 2970 break; 2971 case IEEE80211_IOC_AMPDU_DENSITY: 2972 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 2973 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 2974 return EINVAL; 2975 vap->iv_ampdu_density = ireq->i_val; 2976 error = ERESTART; 2977 break; 2978 case IEEE80211_IOC_AMSDU: 2979 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 2980 return EINVAL; 2981 if (ireq->i_val & 1) 2982 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 2983 else 2984 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 2985 if (ireq->i_val & 2) 2986 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 2987 else 2988 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 2989 /* NB: reset only if we're operating on an 11n channel */ 2990 if (isvapht(vap)) 2991 error = ERESTART; 2992 break; 2993 case IEEE80211_IOC_AMSDU_LIMIT: 2994 /* XXX validate */ 2995 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 2996 break; 2997 case IEEE80211_IOC_PUREN: 2998 if (ireq->i_val) { 2999 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3000 return EINVAL; 3001 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3002 } else 3003 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3004 /* NB: reset only if we're operating on an 11n channel */ 3005 if (isvapht(vap)) 3006 error = ERESTART; 3007 break; 3008 case IEEE80211_IOC_DOTH: 3009 if (ireq->i_val) { 3010 #if 0 3011 /* XXX no capability */ 3012 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3013 return EOPNOTSUPP; 3014 #endif 3015 vap->iv_flags |= IEEE80211_F_DOTH; 3016 } else 3017 vap->iv_flags &= ~IEEE80211_F_DOTH; 3018 error = ENETRESET; 3019 break; 3020 case IEEE80211_IOC_REGDOMAIN: 3021 error = ieee80211_ioctl_setregdomain(vap, ireq); 3022 break; 3023 case IEEE80211_IOC_ROAM: 3024 error = ieee80211_ioctl_setroam(vap, ireq); 3025 break; 3026 case IEEE80211_IOC_TXPARAMS: 3027 error = ieee80211_ioctl_settxparams(vap, ireq); 3028 break; 3029 case IEEE80211_IOC_HTCOMPAT: 3030 if (ireq->i_val) { 3031 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3032 return EOPNOTSUPP; 3033 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3034 } else 3035 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3036 /* NB: reset only if we're operating on an 11n channel */ 3037 if (isvapht(vap)) 3038 error = ERESTART; 3039 break; 3040 case IEEE80211_IOC_DWDS: 3041 if (ireq->i_val) { 3042 /* NB: DWDS only makes sense for WDS-capable devices */ 3043 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3044 return EOPNOTSUPP; 3045 /* NB: DWDS is used only with ap+sta vaps */ 3046 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3047 vap->iv_opmode != IEEE80211_M_STA) 3048 return EINVAL; 3049 vap->iv_flags |= IEEE80211_F_DWDS; 3050 if (vap->iv_opmode == IEEE80211_M_STA) 3051 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3052 } else { 3053 vap->iv_flags &= ~IEEE80211_F_DWDS; 3054 if (vap->iv_opmode == IEEE80211_M_STA) 3055 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3056 } 3057 break; 3058 case IEEE80211_IOC_INACTIVITY: 3059 if (ireq->i_val) 3060 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3061 else 3062 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3063 break; 3064 case IEEE80211_IOC_APPIE: 3065 error = ieee80211_ioctl_setappie(vap, ireq); 3066 break; 3067 case IEEE80211_IOC_WPS: 3068 if (ireq->i_val) { 3069 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3070 return EOPNOTSUPP; 3071 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3072 } else 3073 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3074 break; 3075 case IEEE80211_IOC_TSN: 3076 if (ireq->i_val) { 3077 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3078 return EOPNOTSUPP; 3079 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3080 } else 3081 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3082 break; 3083 case IEEE80211_IOC_CHANSWITCH: 3084 error = ieee80211_ioctl_chanswitch(vap, ireq); 3085 break; 3086 case IEEE80211_IOC_DFS: 3087 if (ireq->i_val) { 3088 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3089 return EOPNOTSUPP; 3090 /* NB: DFS requires 11h support */ 3091 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3092 return EINVAL; 3093 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3094 } else 3095 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3096 break; 3097 case IEEE80211_IOC_DOTD: 3098 if (ireq->i_val) 3099 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3100 else 3101 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3102 if (vap->iv_opmode == IEEE80211_M_STA) 3103 error = ENETRESET; 3104 break; 3105 case IEEE80211_IOC_HTPROTMODE: 3106 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3107 return EINVAL; 3108 ic->ic_htprotmode = ireq->i_val ? 3109 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3110 /* NB: if not operating in 11n this can wait */ 3111 if (isvapht(vap)) 3112 error = ERESTART; 3113 break; 3114 case IEEE80211_IOC_STA_VLAN: 3115 error = ieee80211_ioctl_setstavlan(vap, ireq); 3116 break; 3117 case IEEE80211_IOC_SMPS: 3118 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3119 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3120 return EINVAL; 3121 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3122 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3123 return EOPNOTSUPP; 3124 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3125 ireq->i_val; 3126 /* NB: if not operating in 11n this can wait */ 3127 if (isvapht(vap)) 3128 error = ERESTART; 3129 break; 3130 case IEEE80211_IOC_RIFS: 3131 if (ireq->i_val != 0) { 3132 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3133 return EOPNOTSUPP; 3134 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3135 } else 3136 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3137 /* NB: if not operating in 11n this can wait */ 3138 if (isvapht(vap)) 3139 error = ERESTART; 3140 break; 3141 default: 3142 error = ieee80211_ioctl_setdefault(vap, ireq); 3143 break; 3144 } 3145 /* 3146 * The convention is that ENETRESET means an operation 3147 * requires a complete re-initialization of the device (e.g. 3148 * changing something that affects the association state). 3149 * ERESTART means the request may be handled with only a 3150 * reload of the hardware state. We hand ERESTART requests 3151 * to the iv_reset callback so the driver can decide. If 3152 * a device does not fillin iv_reset then it defaults to one 3153 * that returns ENETRESET. Otherwise a driver may return 3154 * ENETRESET (in which case a full reset will be done) or 3155 * 0 to mean there's no need to do anything (e.g. when the 3156 * change has no effect on the driver/device). 3157 */ 3158 if (error == ERESTART) 3159 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3160 vap->iv_reset(vap, ireq->i_type) : 0; 3161 if (error == ENETRESET) { 3162 /* XXX need to re-think AUTO handling */ 3163 if (IS_UP_AUTO(vap)) 3164 ieee80211_init(vap); 3165 error = 0; 3166 } 3167 return error; 3168 } 3169 3170 /* 3171 * Rebuild the parent's multicast address list after an add/del 3172 * of a multicast address for a vap. We have no way to tell 3173 * what happened above to optimize the work so we purge the entire 3174 * list and rebuild from scratch. This is way expensive. 3175 * Note also the half-baked workaround for if_addmulti calling 3176 * back to the parent device; there's no way to insert mcast 3177 * entries quietly and/or cheaply. 3178 */ 3179 static void 3180 ieee80211_ioctl_updatemulti(struct ieee80211com *ic) 3181 { 3182 struct ifnet *parent = ic->ic_ifp; 3183 struct ieee80211vap *vap; 3184 3185 if_delallmulti_serialized(parent); 3186 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 3187 struct ifnet *ifp = vap->iv_ifp; 3188 struct ifmultiaddr *ifma; 3189 3190 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3191 if (ifma->ifma_addr->sa_family != AF_LINK) 3192 continue; 3193 if_addmulti_serialized(parent, ifma->ifma_addr, NULL); 3194 } 3195 } 3196 ieee80211_runtask(ic, &ic->ic_mcast_task); 3197 } 3198 3199 int 3200 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *ucred) 3201 { 3202 struct ieee80211vap *vap = ifp->if_softc; 3203 struct ieee80211com *ic = vap->iv_ic; 3204 int error = 0; 3205 struct ifreq *ifr; 3206 3207 wlan_assert_serialized(); 3208 3209 switch (cmd) { 3210 case SIOCSIFFLAGS: 3211 ieee80211_syncifflag_locked(ic, IFF_PROMISC); 3212 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI); 3213 if (ifp->if_flags & IFF_UP) { 3214 /* 3215 * Bring ourself up unless we're already operational. 3216 * If we're the first vap and the parent is not up 3217 * then it will automatically be brought up as a 3218 * side-effect of bringing ourself up. 3219 */ 3220 if (vap->iv_state == IEEE80211_S_INIT) 3221 ieee80211_start_locked(vap); 3222 } else if (ifp->if_flags & IFF_RUNNING) { 3223 /* 3224 * Stop ourself. If we are the last vap to be 3225 * marked down the parent will also be taken down. 3226 */ 3227 ieee80211_stop_locked(vap); 3228 } 3229 /* Wait for parent ioctl handler if it was queued */ 3230 ieee80211_waitfor_parent(ic); 3231 break; 3232 case SIOCADDMULTI: 3233 case SIOCDELMULTI: 3234 ieee80211_ioctl_updatemulti(ic); 3235 break; 3236 case SIOCSIFMEDIA: 3237 case SIOCGIFMEDIA: 3238 ifr = (struct ifreq *)data; 3239 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3240 break; 3241 case SIOCG80211: 3242 error = ieee80211_ioctl_get80211(vap, cmd, 3243 (struct ieee80211req *) data); 3244 break; 3245 case SIOCS80211: 3246 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3247 if (error == 0) 3248 error = ieee80211_ioctl_set80211(vap, cmd, 3249 (struct ieee80211req *) data); 3250 break; 3251 case SIOCG80211STATS: 3252 ifr = (struct ifreq *)data; 3253 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3254 break; 3255 case SIOCSIFMTU: 3256 ifr = (struct ifreq *)data; 3257 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3258 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3259 error = EINVAL; 3260 else 3261 ifp->if_mtu = ifr->ifr_mtu; 3262 break; 3263 /* Pass NDIS ioctls up to the driver */ 3264 case SIOCGDRVSPEC: 3265 case SIOCSDRVSPEC: 3266 case SIOCGPRIVATE_0: { 3267 struct ifnet *parent = vap->iv_ic->ic_ifp; 3268 error = parent->if_ioctl(parent, cmd, data, ucred); 3269 break; 3270 } 3271 default: 3272 error = ether_ioctl(ifp, cmd, data); 3273 break; 3274 } 3275 return error; 3276 } 3277