1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2001 Atsushi Onoe 5 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 /* 33 * IEEE 802.11 ioctl support (FreeBSD-specific) 34 */ 35 36 #include "opt_inet.h" 37 #include "opt_wlan.h" 38 39 #include <sys/endian.h> 40 #include <sys/param.h> 41 #include <sys/kernel.h> 42 #include <sys/malloc.h> 43 #include <sys/priv.h> 44 #include <sys/socket.h> 45 #include <sys/sockio.h> 46 #include <sys/systm.h> 47 48 #include <net/if.h> 49 #include <net/if_var.h> 50 #include <net/if_dl.h> 51 #include <net/if_media.h> 52 #include <net/ethernet.h> 53 54 #ifdef INET 55 #include <netinet/in.h> 56 #include <netinet/if_ether.h> 57 #endif 58 59 #include <net80211/ieee80211_var.h> 60 #include <net80211/ieee80211_ioctl.h> 61 #include <net80211/ieee80211_regdomain.h> 62 #include <net80211/ieee80211_input.h> 63 64 #define IS_UP_AUTO(_vap) \ 65 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 66 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 67 68 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 69 static struct ieee80211_channel *findchannel(struct ieee80211com *, 70 int ieee, int mode); 71 static int ieee80211_scanreq(struct ieee80211vap *, 72 struct ieee80211_scan_req *); 73 74 static int 75 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 76 { 77 struct ieee80211com *ic = vap->iv_ic; 78 struct ieee80211_node *ni; 79 struct ieee80211req_key ik; 80 struct ieee80211_key *wk; 81 const struct ieee80211_cipher *cip; 82 u_int kid; 83 int error; 84 85 if (ireq->i_len != sizeof(ik)) 86 return EINVAL; 87 error = copyin(ireq->i_data, &ik, sizeof(ik)); 88 if (error) 89 return error; 90 kid = ik.ik_keyix; 91 if (kid == IEEE80211_KEYIX_NONE) { 92 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 93 if (ni == NULL) 94 return ENOENT; 95 wk = &ni->ni_ucastkey; 96 } else { 97 if (kid >= IEEE80211_WEP_NKID) 98 return EINVAL; 99 wk = &vap->iv_nw_keys[kid]; 100 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 101 ni = NULL; 102 } 103 cip = wk->wk_cipher; 104 ik.ik_type = cip->ic_cipher; 105 ik.ik_keylen = wk->wk_keylen; 106 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 107 if (wk->wk_keyix == vap->iv_def_txkey) 108 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 109 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 110 /* NB: only root can read key data */ 111 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 112 ik.ik_keytsc = wk->wk_keytsc; 113 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 114 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 115 memcpy(ik.ik_keydata+wk->wk_keylen, 116 wk->wk_key + IEEE80211_KEYBUF_SIZE, 117 IEEE80211_MICBUF_SIZE); 118 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 119 } 120 } else { 121 ik.ik_keyrsc = 0; 122 ik.ik_keytsc = 0; 123 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 124 } 125 if (ni != NULL) 126 ieee80211_free_node(ni); 127 return copyout(&ik, ireq->i_data, sizeof(ik)); 128 } 129 130 static int 131 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 132 { 133 struct ieee80211com *ic = vap->iv_ic; 134 135 if (sizeof(ic->ic_chan_active) < ireq->i_len) 136 ireq->i_len = sizeof(ic->ic_chan_active); 137 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 138 } 139 140 static int 141 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 142 { 143 struct ieee80211com *ic = vap->iv_ic; 144 uint32_t space; 145 146 space = __offsetof(struct ieee80211req_chaninfo, 147 ic_chans[ic->ic_nchans]); 148 if (space > ireq->i_len) 149 space = ireq->i_len; 150 /* XXX assumes compatible layout */ 151 return copyout(&ic->ic_nchans, ireq->i_data, space); 152 } 153 154 static int 155 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 156 struct ieee80211req *ireq, int req) 157 { 158 struct ieee80211_node *ni; 159 struct ieee80211req_wpaie2 *wpaie; 160 int error; 161 162 if (ireq->i_len < IEEE80211_ADDR_LEN) 163 return EINVAL; 164 wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP, 165 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 166 if (wpaie == NULL) 167 return ENOMEM; 168 error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN); 169 if (error != 0) 170 goto bad; 171 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr); 172 if (ni == NULL) { 173 error = ENOENT; 174 goto bad; 175 } 176 if (ni->ni_ies.wpa_ie != NULL) { 177 int ielen = ni->ni_ies.wpa_ie[1] + 2; 178 if (ielen > sizeof(wpaie->wpa_ie)) 179 ielen = sizeof(wpaie->wpa_ie); 180 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen); 181 } 182 if (req == IEEE80211_IOC_WPAIE2) { 183 if (ni->ni_ies.rsn_ie != NULL) { 184 int ielen = ni->ni_ies.rsn_ie[1] + 2; 185 if (ielen > sizeof(wpaie->rsn_ie)) 186 ielen = sizeof(wpaie->rsn_ie); 187 memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen); 188 } 189 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 190 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 191 } else { 192 /* compatibility op, may overwrite wpa ie */ 193 /* XXX check ic_flags? */ 194 if (ni->ni_ies.rsn_ie != NULL) { 195 int ielen = ni->ni_ies.rsn_ie[1] + 2; 196 if (ielen > sizeof(wpaie->wpa_ie)) 197 ielen = sizeof(wpaie->wpa_ie); 198 memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen); 199 } 200 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 201 ireq->i_len = sizeof(struct ieee80211req_wpaie); 202 } 203 ieee80211_free_node(ni); 204 error = copyout(wpaie, ireq->i_data, ireq->i_len); 205 bad: 206 IEEE80211_FREE(wpaie, M_TEMP); 207 return error; 208 } 209 210 static int 211 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 212 { 213 struct ieee80211_node *ni; 214 uint8_t macaddr[IEEE80211_ADDR_LEN]; 215 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats); 216 int error; 217 218 if (ireq->i_len < off) 219 return EINVAL; 220 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 221 if (error != 0) 222 return error; 223 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 224 if (ni == NULL) 225 return ENOENT; 226 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 227 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 228 /* NB: copy out only the statistics */ 229 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 230 ireq->i_len - off); 231 ieee80211_free_node(ni); 232 return error; 233 } 234 235 struct scanreq { 236 struct ieee80211req_scan_result *sr; 237 size_t space; 238 }; 239 240 static size_t 241 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 242 { 243 size_t len; 244 245 *ielen = se->se_ies.len; 246 /* 247 * NB: ie's can be no more than 255 bytes and the max 802.11 248 * packet is <3Kbytes so we are sure this doesn't overflow 249 * 16-bits; if this is a concern we can drop the ie's. 250 */ 251 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 252 se->se_meshid[1] + *ielen; 253 return roundup(len, sizeof(uint32_t)); 254 } 255 256 static void 257 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 258 { 259 struct scanreq *req = arg; 260 int ielen; 261 262 req->space += scan_space(se, &ielen); 263 } 264 265 static void 266 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 267 { 268 struct scanreq *req = arg; 269 struct ieee80211req_scan_result *sr; 270 int ielen, len, nr, nxr; 271 uint8_t *cp; 272 273 len = scan_space(se, &ielen); 274 if (len > req->space) 275 return; 276 277 sr = req->sr; 278 KASSERT(len <= 65535 && ielen <= 65535, 279 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 280 sr->isr_len = len; 281 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 282 sr->isr_ie_len = ielen; 283 sr->isr_freq = se->se_chan->ic_freq; 284 sr->isr_flags = se->se_chan->ic_flags; 285 sr->isr_rssi = se->se_rssi; 286 sr->isr_noise = se->se_noise; 287 sr->isr_intval = se->se_intval; 288 sr->isr_capinfo = se->se_capinfo; 289 sr->isr_erp = se->se_erp; 290 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 291 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 292 memcpy(sr->isr_rates, se->se_rates+2, nr); 293 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 294 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 295 sr->isr_nrates = nr + nxr; 296 297 /* copy SSID */ 298 sr->isr_ssid_len = se->se_ssid[1]; 299 cp = ((uint8_t *)sr) + sr->isr_ie_off; 300 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 301 302 /* copy mesh id */ 303 cp += sr->isr_ssid_len; 304 sr->isr_meshid_len = se->se_meshid[1]; 305 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 306 cp += sr->isr_meshid_len; 307 308 if (ielen) 309 memcpy(cp, se->se_ies.data, ielen); 310 311 req->space -= len; 312 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 313 } 314 315 static int 316 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 317 struct ieee80211req *ireq) 318 { 319 struct scanreq req; 320 int error; 321 322 if (ireq->i_len < sizeof(struct scanreq)) 323 return EFAULT; 324 325 error = 0; 326 req.space = 0; 327 ieee80211_scan_iterate(vap, get_scan_space, &req); 328 if (req.space > ireq->i_len) 329 req.space = ireq->i_len; 330 if (req.space > 0) { 331 uint32_t space; 332 void *p; 333 334 space = req.space; 335 /* XXX M_WAITOK after driver lock released */ 336 p = IEEE80211_MALLOC(space, M_TEMP, 337 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 338 if (p == NULL) 339 return ENOMEM; 340 req.sr = p; 341 ieee80211_scan_iterate(vap, get_scan_result, &req); 342 ireq->i_len = space - req.space; 343 error = copyout(p, ireq->i_data, ireq->i_len); 344 IEEE80211_FREE(p, M_TEMP); 345 } else 346 ireq->i_len = 0; 347 348 return error; 349 } 350 351 struct stainforeq { 352 struct ieee80211req_sta_info *si; 353 size_t space; 354 }; 355 356 static size_t 357 sta_space(const struct ieee80211_node *ni, size_t *ielen) 358 { 359 *ielen = ni->ni_ies.len; 360 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 361 sizeof(uint32_t)); 362 } 363 364 static void 365 get_sta_space(void *arg, struct ieee80211_node *ni) 366 { 367 struct stainforeq *req = arg; 368 size_t ielen; 369 370 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 371 ni->ni_associd == 0) /* only associated stations */ 372 return; 373 req->space += sta_space(ni, &ielen); 374 } 375 376 static void 377 get_sta_info(void *arg, struct ieee80211_node *ni) 378 { 379 struct stainforeq *req = arg; 380 struct ieee80211vap *vap = ni->ni_vap; 381 struct ieee80211req_sta_info *si; 382 size_t ielen, len; 383 uint8_t *cp; 384 385 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 386 ni->ni_associd == 0) /* only associated stations */ 387 return; 388 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 389 return; 390 len = sta_space(ni, &ielen); 391 if (len > req->space) 392 return; 393 si = req->si; 394 si->isi_len = len; 395 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 396 si->isi_ie_len = ielen; 397 si->isi_freq = ni->ni_chan->ic_freq; 398 si->isi_flags = ni->ni_chan->ic_flags; 399 si->isi_state = ni->ni_flags; 400 si->isi_authmode = ni->ni_authmode; 401 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 402 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 403 si->isi_capinfo = ni->ni_capinfo; 404 si->isi_erp = ni->ni_erp; 405 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 406 si->isi_nrates = ni->ni_rates.rs_nrates; 407 if (si->isi_nrates > 15) 408 si->isi_nrates = 15; 409 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 410 si->isi_txrate = ni->ni_txrate; 411 if (si->isi_txrate & IEEE80211_RATE_MCS) { 412 const struct ieee80211_mcs_rates *mcs = 413 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 414 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 415 if (ni->ni_flags & IEEE80211_NODE_SGI40) 416 si->isi_txmbps = mcs->ht40_rate_800ns; 417 else 418 si->isi_txmbps = mcs->ht40_rate_400ns; 419 } else { 420 if (ni->ni_flags & IEEE80211_NODE_SGI20) 421 si->isi_txmbps = mcs->ht20_rate_800ns; 422 else 423 si->isi_txmbps = mcs->ht20_rate_400ns; 424 } 425 } else 426 si->isi_txmbps = si->isi_txrate; 427 si->isi_associd = ni->ni_associd; 428 si->isi_txpower = ni->ni_txpower; 429 si->isi_vlan = ni->ni_vlan; 430 if (ni->ni_flags & IEEE80211_NODE_QOS) { 431 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 432 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 433 } else { 434 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 435 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 436 } 437 /* NB: leave all cases in case we relax ni_associd == 0 check */ 438 if (ieee80211_node_is_authorized(ni)) 439 si->isi_inact = vap->iv_inact_run; 440 else if (ni->ni_associd != 0 || 441 (vap->iv_opmode == IEEE80211_M_WDS && 442 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 443 si->isi_inact = vap->iv_inact_auth; 444 else 445 si->isi_inact = vap->iv_inact_init; 446 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 447 si->isi_localid = ni->ni_mllid; 448 si->isi_peerid = ni->ni_mlpid; 449 si->isi_peerstate = ni->ni_mlstate; 450 451 if (ielen) { 452 cp = ((uint8_t *)si) + si->isi_ie_off; 453 memcpy(cp, ni->ni_ies.data, ielen); 454 } 455 456 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 457 req->space -= len; 458 } 459 460 static int 461 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 462 struct ieee80211_node *ni, size_t off) 463 { 464 struct ieee80211com *ic = vap->iv_ic; 465 struct stainforeq req; 466 size_t space; 467 void *p; 468 int error; 469 470 error = 0; 471 req.space = 0; 472 if (ni == NULL) { 473 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_sta_space, 474 &req); 475 } else 476 get_sta_space(&req, ni); 477 if (req.space > ireq->i_len) 478 req.space = ireq->i_len; 479 if (req.space > 0) { 480 space = req.space; 481 /* XXX M_WAITOK after driver lock released */ 482 p = IEEE80211_MALLOC(space, M_TEMP, 483 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 484 if (p == NULL) { 485 error = ENOMEM; 486 goto bad; 487 } 488 req.si = p; 489 if (ni == NULL) { 490 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, 491 get_sta_info, &req); 492 } else 493 get_sta_info(&req, ni); 494 ireq->i_len = space - req.space; 495 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 496 IEEE80211_FREE(p, M_TEMP); 497 } else 498 ireq->i_len = 0; 499 bad: 500 if (ni != NULL) 501 ieee80211_free_node(ni); 502 return error; 503 } 504 505 static int 506 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 507 { 508 uint8_t macaddr[IEEE80211_ADDR_LEN]; 509 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 510 struct ieee80211_node *ni; 511 int error; 512 513 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 514 return EFAULT; 515 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 516 if (error != 0) 517 return error; 518 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 519 ni = NULL; 520 } else { 521 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 522 if (ni == NULL) 523 return ENOENT; 524 } 525 return getstainfo_common(vap, ireq, ni, off); 526 } 527 528 static int 529 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 530 { 531 struct ieee80211_node *ni; 532 struct ieee80211req_sta_txpow txpow; 533 int error; 534 535 if (ireq->i_len != sizeof(txpow)) 536 return EINVAL; 537 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 538 if (error != 0) 539 return error; 540 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 541 if (ni == NULL) 542 return ENOENT; 543 txpow.it_txpow = ni->ni_txpower; 544 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 545 ieee80211_free_node(ni); 546 return error; 547 } 548 549 static int 550 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 551 { 552 struct ieee80211com *ic = vap->iv_ic; 553 struct ieee80211_wme_state *wme = &ic->ic_wme; 554 struct wmeParams *wmep; 555 int ac; 556 557 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 558 return EINVAL; 559 560 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 561 if (ac >= WME_NUM_AC) 562 ac = WME_AC_BE; 563 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 564 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 565 else 566 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 567 switch (ireq->i_type) { 568 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 569 ireq->i_val = wmep->wmep_logcwmin; 570 break; 571 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 572 ireq->i_val = wmep->wmep_logcwmax; 573 break; 574 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 575 ireq->i_val = wmep->wmep_aifsn; 576 break; 577 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 578 ireq->i_val = wmep->wmep_txopLimit; 579 break; 580 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 581 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 582 ireq->i_val = wmep->wmep_acm; 583 break; 584 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 585 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 586 ireq->i_val = !wmep->wmep_noackPolicy; 587 break; 588 } 589 return 0; 590 } 591 592 static int 593 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 594 { 595 const struct ieee80211_aclator *acl = vap->iv_acl; 596 597 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 598 } 599 600 static int 601 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 602 { 603 struct ieee80211com *ic = vap->iv_ic; 604 struct ieee80211_channel *c; 605 606 if (ireq->i_len != sizeof(struct ieee80211_channel)) 607 return EINVAL; 608 /* 609 * vap's may have different operating channels when HT is 610 * in use. When in RUN state report the vap-specific channel. 611 * Otherwise return curchan. 612 */ 613 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 614 c = vap->iv_bss->ni_chan; 615 else 616 c = ic->ic_curchan; 617 return copyout(c, ireq->i_data, sizeof(*c)); 618 } 619 620 static int 621 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 622 { 623 if (aie == NULL) 624 return EINVAL; 625 /* NB: truncate, caller can check length */ 626 if (ireq->i_len > aie->ie_len) 627 ireq->i_len = aie->ie_len; 628 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 629 } 630 631 static int 632 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 633 { 634 uint8_t fc0; 635 636 fc0 = ireq->i_val & 0xff; 637 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 638 return EINVAL; 639 /* NB: could check iv_opmode and reject but hardly worth the effort */ 640 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 641 case IEEE80211_FC0_SUBTYPE_BEACON: 642 return getappie(vap->iv_appie_beacon, ireq); 643 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 644 return getappie(vap->iv_appie_proberesp, ireq); 645 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 646 return getappie(vap->iv_appie_assocresp, ireq); 647 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 648 return getappie(vap->iv_appie_probereq, ireq); 649 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 650 return getappie(vap->iv_appie_assocreq, ireq); 651 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 652 return getappie(vap->iv_appie_wpa, ireq); 653 } 654 return EINVAL; 655 } 656 657 static int 658 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 659 const struct ieee80211req *ireq) 660 { 661 struct ieee80211com *ic = vap->iv_ic; 662 663 if (ireq->i_len != sizeof(ic->ic_regdomain)) 664 return EINVAL; 665 return copyout(&ic->ic_regdomain, ireq->i_data, 666 sizeof(ic->ic_regdomain)); 667 } 668 669 static int 670 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 671 const struct ieee80211req *ireq) 672 { 673 size_t len = ireq->i_len; 674 /* NB: accept short requests for backwards compat */ 675 if (len > sizeof(vap->iv_roamparms)) 676 len = sizeof(vap->iv_roamparms); 677 return copyout(vap->iv_roamparms, ireq->i_data, len); 678 } 679 680 static int 681 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 682 const struct ieee80211req *ireq) 683 { 684 size_t len = ireq->i_len; 685 /* NB: accept short requests for backwards compat */ 686 if (len > sizeof(vap->iv_txparms)) 687 len = sizeof(vap->iv_txparms); 688 return copyout(vap->iv_txparms, ireq->i_data, len); 689 } 690 691 static int 692 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 693 const struct ieee80211req *ireq) 694 { 695 struct ieee80211_devcaps_req *dc; 696 struct ieee80211req_chaninfo *ci; 697 int maxchans, error; 698 699 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 700 sizeof(struct ieee80211_channel)); 701 /* NB: require 1 so we know ic_nchans is accessible */ 702 if (maxchans < 1) 703 return EINVAL; 704 /* constrain max request size, 2K channels is ~24Kbytes */ 705 if (maxchans > 2048) 706 maxchans = 2048; 707 dc = (struct ieee80211_devcaps_req *) 708 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, 709 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 710 if (dc == NULL) 711 return ENOMEM; 712 dc->dc_drivercaps = ic->ic_caps; 713 dc->dc_cryptocaps = ic->ic_cryptocaps; 714 dc->dc_htcaps = ic->ic_htcaps; 715 dc->dc_vhtcaps = ic->ic_vhtcaps; 716 ci = &dc->dc_chaninfo; 717 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 718 KASSERT(ci->ic_nchans <= maxchans, 719 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 720 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 721 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 722 IEEE80211_FREE(dc, M_TEMP); 723 return error; 724 } 725 726 static int 727 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 728 { 729 struct ieee80211_node *ni; 730 struct ieee80211req_sta_vlan vlan; 731 int error; 732 733 if (ireq->i_len != sizeof(vlan)) 734 return EINVAL; 735 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 736 if (error != 0) 737 return error; 738 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 739 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 740 vlan.sv_macaddr); 741 if (ni == NULL) 742 return ENOENT; 743 } else 744 ni = ieee80211_ref_node(vap->iv_bss); 745 vlan.sv_vlan = ni->ni_vlan; 746 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 747 ieee80211_free_node(ni); 748 return error; 749 } 750 751 /* 752 * Dummy ioctl get handler so the linker set is defined. 753 */ 754 static int 755 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 756 { 757 return ENOSYS; 758 } 759 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 760 761 static int 762 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 763 { 764 ieee80211_ioctl_getfunc * const *get; 765 int error; 766 767 SET_FOREACH(get, ieee80211_ioctl_getset) { 768 error = (*get)(vap, ireq); 769 if (error != ENOSYS) 770 return error; 771 } 772 return EINVAL; 773 } 774 775 static int 776 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 777 struct ieee80211req *ireq) 778 { 779 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 780 struct ieee80211com *ic = vap->iv_ic; 781 u_int kid, len; 782 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 783 char tmpssid[IEEE80211_NWID_LEN]; 784 int error = 0; 785 786 switch (ireq->i_type) { 787 case IEEE80211_IOC_SSID: 788 switch (vap->iv_state) { 789 case IEEE80211_S_INIT: 790 case IEEE80211_S_SCAN: 791 ireq->i_len = vap->iv_des_ssid[0].len; 792 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 793 break; 794 default: 795 ireq->i_len = vap->iv_bss->ni_esslen; 796 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 797 break; 798 } 799 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 800 break; 801 case IEEE80211_IOC_NUMSSIDS: 802 ireq->i_val = 1; 803 break; 804 case IEEE80211_IOC_WEP: 805 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 806 ireq->i_val = IEEE80211_WEP_OFF; 807 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 808 ireq->i_val = IEEE80211_WEP_ON; 809 else 810 ireq->i_val = IEEE80211_WEP_MIXED; 811 break; 812 case IEEE80211_IOC_WEPKEY: 813 kid = (u_int) ireq->i_val; 814 if (kid >= IEEE80211_WEP_NKID) 815 return EINVAL; 816 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 817 /* NB: only root can read WEP keys */ 818 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 819 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 820 } else { 821 bzero(tmpkey, len); 822 } 823 ireq->i_len = len; 824 error = copyout(tmpkey, ireq->i_data, len); 825 break; 826 case IEEE80211_IOC_NUMWEPKEYS: 827 ireq->i_val = IEEE80211_WEP_NKID; 828 break; 829 case IEEE80211_IOC_WEPTXKEY: 830 ireq->i_val = vap->iv_def_txkey; 831 break; 832 case IEEE80211_IOC_AUTHMODE: 833 if (vap->iv_flags & IEEE80211_F_WPA) 834 ireq->i_val = IEEE80211_AUTH_WPA; 835 else 836 ireq->i_val = vap->iv_bss->ni_authmode; 837 break; 838 case IEEE80211_IOC_CHANNEL: 839 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 840 break; 841 case IEEE80211_IOC_POWERSAVE: 842 if (vap->iv_flags & IEEE80211_F_PMGTON) 843 ireq->i_val = IEEE80211_POWERSAVE_ON; 844 else 845 ireq->i_val = IEEE80211_POWERSAVE_OFF; 846 break; 847 case IEEE80211_IOC_POWERSAVESLEEP: 848 ireq->i_val = ic->ic_lintval; 849 break; 850 case IEEE80211_IOC_RTSTHRESHOLD: 851 ireq->i_val = vap->iv_rtsthreshold; 852 break; 853 case IEEE80211_IOC_PROTMODE: 854 ireq->i_val = vap->iv_protmode; 855 break; 856 case IEEE80211_IOC_TXPOWER: 857 /* 858 * Tx power limit is the min of max regulatory 859 * power, any user-set limit, and the max the 860 * radio can do. 861 * 862 * TODO: methodize this 863 */ 864 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 865 if (ireq->i_val > ic->ic_txpowlimit) 866 ireq->i_val = ic->ic_txpowlimit; 867 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 868 ireq->i_val = ic->ic_curchan->ic_maxpower; 869 break; 870 case IEEE80211_IOC_WPA: 871 switch (vap->iv_flags & IEEE80211_F_WPA) { 872 case IEEE80211_F_WPA1: 873 ireq->i_val = 1; 874 break; 875 case IEEE80211_F_WPA2: 876 ireq->i_val = 2; 877 break; 878 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 879 ireq->i_val = 3; 880 break; 881 default: 882 ireq->i_val = 0; 883 break; 884 } 885 break; 886 case IEEE80211_IOC_CHANLIST: 887 error = ieee80211_ioctl_getchanlist(vap, ireq); 888 break; 889 case IEEE80211_IOC_ROAMING: 890 ireq->i_val = vap->iv_roaming; 891 break; 892 case IEEE80211_IOC_PRIVACY: 893 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 894 break; 895 case IEEE80211_IOC_DROPUNENCRYPTED: 896 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 897 break; 898 case IEEE80211_IOC_COUNTERMEASURES: 899 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 900 break; 901 case IEEE80211_IOC_WME: 902 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 903 break; 904 case IEEE80211_IOC_HIDESSID: 905 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 906 break; 907 case IEEE80211_IOC_APBRIDGE: 908 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 909 break; 910 case IEEE80211_IOC_WPAKEY: 911 error = ieee80211_ioctl_getkey(vap, ireq); 912 break; 913 case IEEE80211_IOC_CHANINFO: 914 error = ieee80211_ioctl_getchaninfo(vap, ireq); 915 break; 916 case IEEE80211_IOC_BSSID: 917 if (ireq->i_len != IEEE80211_ADDR_LEN) 918 return EINVAL; 919 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 920 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 921 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 922 ireq->i_data, ireq->i_len); 923 } else 924 error = copyout(vap->iv_des_bssid, ireq->i_data, 925 ireq->i_len); 926 break; 927 case IEEE80211_IOC_WPAIE: 928 case IEEE80211_IOC_WPAIE2: 929 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 930 break; 931 case IEEE80211_IOC_SCAN_RESULTS: 932 error = ieee80211_ioctl_getscanresults(vap, ireq); 933 break; 934 case IEEE80211_IOC_STA_STATS: 935 error = ieee80211_ioctl_getstastats(vap, ireq); 936 break; 937 case IEEE80211_IOC_TXPOWMAX: 938 ireq->i_val = vap->iv_bss->ni_txpower; 939 break; 940 case IEEE80211_IOC_STA_TXPOW: 941 error = ieee80211_ioctl_getstatxpow(vap, ireq); 942 break; 943 case IEEE80211_IOC_STA_INFO: 944 error = ieee80211_ioctl_getstainfo(vap, ireq); 945 break; 946 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 947 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 948 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 949 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 950 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 951 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 952 error = ieee80211_ioctl_getwmeparam(vap, ireq); 953 break; 954 case IEEE80211_IOC_DTIM_PERIOD: 955 ireq->i_val = vap->iv_dtim_period; 956 break; 957 case IEEE80211_IOC_BEACON_INTERVAL: 958 /* NB: get from ic_bss for station mode */ 959 ireq->i_val = vap->iv_bss->ni_intval; 960 break; 961 case IEEE80211_IOC_PUREG: 962 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 963 break; 964 case IEEE80211_IOC_QUIET: 965 ireq->i_val = vap->iv_quiet; 966 break; 967 case IEEE80211_IOC_QUIET_COUNT: 968 ireq->i_val = vap->iv_quiet_count; 969 break; 970 case IEEE80211_IOC_QUIET_PERIOD: 971 ireq->i_val = vap->iv_quiet_period; 972 break; 973 case IEEE80211_IOC_QUIET_DUR: 974 ireq->i_val = vap->iv_quiet_duration; 975 break; 976 case IEEE80211_IOC_QUIET_OFFSET: 977 ireq->i_val = vap->iv_quiet_offset; 978 break; 979 case IEEE80211_IOC_BGSCAN: 980 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 981 break; 982 case IEEE80211_IOC_BGSCAN_IDLE: 983 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 984 break; 985 case IEEE80211_IOC_BGSCAN_INTERVAL: 986 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 987 break; 988 case IEEE80211_IOC_SCANVALID: 989 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 990 break; 991 case IEEE80211_IOC_FRAGTHRESHOLD: 992 ireq->i_val = vap->iv_fragthreshold; 993 break; 994 case IEEE80211_IOC_MACCMD: 995 error = ieee80211_ioctl_getmaccmd(vap, ireq); 996 break; 997 case IEEE80211_IOC_BURST: 998 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 999 break; 1000 case IEEE80211_IOC_BMISSTHRESHOLD: 1001 ireq->i_val = vap->iv_bmissthreshold; 1002 break; 1003 case IEEE80211_IOC_CURCHAN: 1004 error = ieee80211_ioctl_getcurchan(vap, ireq); 1005 break; 1006 case IEEE80211_IOC_SHORTGI: 1007 ireq->i_val = 0; 1008 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1009 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1010 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1011 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1012 break; 1013 case IEEE80211_IOC_AMPDU: 1014 ireq->i_val = 0; 1015 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1016 ireq->i_val |= 1; 1017 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1018 ireq->i_val |= 2; 1019 break; 1020 case IEEE80211_IOC_AMPDU_LIMIT: 1021 /* XXX TODO: make this a per-node thing; and leave this as global */ 1022 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1023 ireq->i_val = vap->iv_ampdu_rxmax; 1024 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1025 /* 1026 * XXX TODO: this isn't completely correct, as we've 1027 * negotiated the higher of the two. 1028 */ 1029 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1030 IEEE80211_HTCAP_MAXRXAMPDU); 1031 else 1032 ireq->i_val = vap->iv_ampdu_limit; 1033 break; 1034 case IEEE80211_IOC_AMPDU_DENSITY: 1035 /* XXX TODO: make this a per-node thing; and leave this as global */ 1036 if (vap->iv_opmode == IEEE80211_M_STA && 1037 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1038 /* 1039 * XXX TODO: this isn't completely correct, as we've 1040 * negotiated the higher of the two. 1041 */ 1042 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1043 IEEE80211_HTCAP_MPDUDENSITY); 1044 else 1045 ireq->i_val = vap->iv_ampdu_density; 1046 break; 1047 case IEEE80211_IOC_AMSDU: 1048 ireq->i_val = 0; 1049 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1050 ireq->i_val |= 1; 1051 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1052 ireq->i_val |= 2; 1053 break; 1054 case IEEE80211_IOC_AMSDU_LIMIT: 1055 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1056 break; 1057 case IEEE80211_IOC_PUREN: 1058 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1059 break; 1060 case IEEE80211_IOC_DOTH: 1061 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1062 break; 1063 case IEEE80211_IOC_REGDOMAIN: 1064 error = ieee80211_ioctl_getregdomain(vap, ireq); 1065 break; 1066 case IEEE80211_IOC_ROAM: 1067 error = ieee80211_ioctl_getroam(vap, ireq); 1068 break; 1069 case IEEE80211_IOC_TXPARAMS: 1070 error = ieee80211_ioctl_gettxparams(vap, ireq); 1071 break; 1072 case IEEE80211_IOC_HTCOMPAT: 1073 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1074 break; 1075 case IEEE80211_IOC_DWDS: 1076 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1077 break; 1078 case IEEE80211_IOC_INACTIVITY: 1079 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1080 break; 1081 case IEEE80211_IOC_APPIE: 1082 error = ieee80211_ioctl_getappie(vap, ireq); 1083 break; 1084 case IEEE80211_IOC_WPS: 1085 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1086 break; 1087 case IEEE80211_IOC_TSN: 1088 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1089 break; 1090 case IEEE80211_IOC_DFS: 1091 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1092 break; 1093 case IEEE80211_IOC_DOTD: 1094 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1095 break; 1096 case IEEE80211_IOC_DEVCAPS: 1097 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1098 break; 1099 case IEEE80211_IOC_HTPROTMODE: 1100 ireq->i_val = vap->iv_htprotmode; 1101 break; 1102 case IEEE80211_IOC_HTCONF: 1103 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1104 ireq->i_val = 1; 1105 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1106 ireq->i_val |= 2; 1107 } else 1108 ireq->i_val = 0; 1109 break; 1110 case IEEE80211_IOC_STA_VLAN: 1111 error = ieee80211_ioctl_getstavlan(vap, ireq); 1112 break; 1113 case IEEE80211_IOC_SMPS: 1114 if (vap->iv_opmode == IEEE80211_M_STA && 1115 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1116 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1117 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1118 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1119 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1120 else 1121 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1122 } else 1123 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1124 break; 1125 case IEEE80211_IOC_RIFS: 1126 if (vap->iv_opmode == IEEE80211_M_STA && 1127 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1128 ireq->i_val = 1129 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1130 else 1131 ireq->i_val = 1132 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1133 break; 1134 case IEEE80211_IOC_STBC: 1135 ireq->i_val = 0; 1136 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX) 1137 ireq->i_val |= 1; 1138 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) 1139 ireq->i_val |= 2; 1140 break; 1141 case IEEE80211_IOC_LDPC: 1142 ireq->i_val = 0; 1143 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_TX) 1144 ireq->i_val |= 1; 1145 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_RX) 1146 ireq->i_val |= 2; 1147 break; 1148 case IEEE80211_IOC_UAPSD: 1149 ireq->i_val = 0; 1150 if (vap->iv_flags_ext & IEEE80211_FEXT_UAPSD) 1151 ireq->i_val = 1; 1152 break; 1153 1154 /* VHT */ 1155 case IEEE80211_IOC_VHTCONF: 1156 ireq->i_val = 0; 1157 if (vap->iv_flags_vht & IEEE80211_FVHT_VHT) 1158 ireq->i_val |= 1; 1159 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT40) 1160 ireq->i_val |= 2; 1161 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80) 1162 ireq->i_val |= 4; 1163 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80P80) 1164 ireq->i_val |= 8; 1165 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT160) 1166 ireq->i_val |= 16; 1167 break; 1168 1169 default: 1170 error = ieee80211_ioctl_getdefault(vap, ireq); 1171 break; 1172 } 1173 return error; 1174 #undef MS 1175 } 1176 1177 static int 1178 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1179 { 1180 struct ieee80211req_key ik; 1181 struct ieee80211_node *ni; 1182 struct ieee80211_key *wk; 1183 uint16_t kid; 1184 int error, i; 1185 1186 if (ireq->i_len != sizeof(ik)) 1187 return EINVAL; 1188 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1189 if (error) 1190 return error; 1191 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1192 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1193 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1194 return E2BIG; 1195 kid = ik.ik_keyix; 1196 if (kid == IEEE80211_KEYIX_NONE) { 1197 /* XXX unicast keys currently must be tx/rx */ 1198 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1199 return EINVAL; 1200 if (vap->iv_opmode == IEEE80211_M_STA) { 1201 ni = ieee80211_ref_node(vap->iv_bss); 1202 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1203 ieee80211_free_node(ni); 1204 return EADDRNOTAVAIL; 1205 } 1206 } else { 1207 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1208 ik.ik_macaddr); 1209 if (ni == NULL) 1210 return ENOENT; 1211 } 1212 wk = &ni->ni_ucastkey; 1213 } else { 1214 if (kid >= IEEE80211_WEP_NKID) 1215 return EINVAL; 1216 wk = &vap->iv_nw_keys[kid]; 1217 /* 1218 * Global slots start off w/o any assigned key index. 1219 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1220 */ 1221 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1222 wk->wk_keyix = kid; 1223 ni = NULL; 1224 } 1225 error = 0; 1226 ieee80211_key_update_begin(vap); 1227 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1228 wk->wk_keylen = ik.ik_keylen; 1229 /* NB: MIC presence is implied by cipher type */ 1230 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1231 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1232 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1233 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1234 wk->wk_keytsc = 0; /* new key, reset */ 1235 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1236 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1237 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1238 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1239 if (!ieee80211_crypto_setkey(vap, wk)) 1240 error = EIO; 1241 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1242 /* 1243 * Inform the driver that this is the default 1244 * transmit key. Now, ideally we'd just set 1245 * a flag in the key update that would 1246 * say "yes, we're the default key", but 1247 * that currently isn't the way the ioctl -> 1248 * key interface works. 1249 */ 1250 ieee80211_crypto_set_deftxkey(vap, kid); 1251 } else 1252 error = ENXIO; 1253 ieee80211_key_update_end(vap); 1254 if (ni != NULL) 1255 ieee80211_free_node(ni); 1256 return error; 1257 } 1258 1259 static int 1260 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1261 { 1262 struct ieee80211req_del_key dk; 1263 int kid, error; 1264 1265 if (ireq->i_len != sizeof(dk)) 1266 return EINVAL; 1267 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1268 if (error) 1269 return error; 1270 kid = dk.idk_keyix; 1271 /* XXX uint8_t -> uint16_t */ 1272 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1273 struct ieee80211_node *ni; 1274 1275 if (vap->iv_opmode == IEEE80211_M_STA) { 1276 ni = ieee80211_ref_node(vap->iv_bss); 1277 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1278 ieee80211_free_node(ni); 1279 return EADDRNOTAVAIL; 1280 } 1281 } else { 1282 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1283 dk.idk_macaddr); 1284 if (ni == NULL) 1285 return ENOENT; 1286 } 1287 /* XXX error return */ 1288 ieee80211_node_delucastkey(ni); 1289 ieee80211_free_node(ni); 1290 } else { 1291 if (kid >= IEEE80211_WEP_NKID) 1292 return EINVAL; 1293 /* XXX error return */ 1294 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1295 } 1296 return 0; 1297 } 1298 1299 struct mlmeop { 1300 struct ieee80211vap *vap; 1301 int op; 1302 int reason; 1303 }; 1304 1305 static void 1306 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1307 int op, int reason) 1308 { 1309 #ifdef IEEE80211_DEBUG 1310 static const struct { 1311 int mask; 1312 const char *opstr; 1313 } ops[] = { 1314 { 0, "op#0" }, 1315 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1316 IEEE80211_MSG_ASSOC, "assoc" }, 1317 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1318 IEEE80211_MSG_ASSOC, "disassoc" }, 1319 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1320 IEEE80211_MSG_AUTH, "deauth" }, 1321 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1322 IEEE80211_MSG_AUTH, "authorize" }, 1323 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1324 IEEE80211_MSG_AUTH, "unauthorize" }, 1325 }; 1326 1327 if (op == IEEE80211_MLME_AUTH) { 1328 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1329 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1330 "station authenticate %s via MLME (reason: %d (%s))", 1331 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1332 reason, ieee80211_reason_to_string(reason)); 1333 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1334 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1335 "unknown MLME request %d (reason: %d (%s))", op, reason, 1336 ieee80211_reason_to_string(reason)); 1337 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1338 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1339 "station %s via MLME", ops[op].opstr); 1340 } else { 1341 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1342 "station %s via MLME (reason: %d (%s))", ops[op].opstr, 1343 reason, ieee80211_reason_to_string(reason)); 1344 } 1345 #endif /* IEEE80211_DEBUG */ 1346 } 1347 1348 static void 1349 domlme(void *arg, struct ieee80211_node *ni) 1350 { 1351 struct mlmeop *mop = arg; 1352 struct ieee80211vap *vap = ni->ni_vap; 1353 1354 if (vap != mop->vap) 1355 return; 1356 /* 1357 * NB: if ni_associd is zero then the node is already cleaned 1358 * up and we don't need to do this (we're safely holding a 1359 * reference but should otherwise not modify it's state). 1360 */ 1361 if (ni->ni_associd == 0) 1362 return; 1363 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1364 if (mop->op == IEEE80211_MLME_DEAUTH) { 1365 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1366 mop->reason); 1367 } else { 1368 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1369 mop->reason); 1370 } 1371 ieee80211_node_leave(ni); 1372 } 1373 1374 static int 1375 setmlme_dropsta(struct ieee80211vap *vap, 1376 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1377 { 1378 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1379 struct ieee80211_node *ni; 1380 int error = 0; 1381 1382 /* NB: the broadcast address means do 'em all */ 1383 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1384 IEEE80211_NODE_LOCK(nt); 1385 ni = ieee80211_find_node_locked(nt, mac); 1386 IEEE80211_NODE_UNLOCK(nt); 1387 /* 1388 * Don't do the node update inside the node 1389 * table lock. This unfortunately causes LORs 1390 * with drivers and their TX paths. 1391 */ 1392 if (ni != NULL) { 1393 domlme(mlmeop, ni); 1394 ieee80211_free_node(ni); 1395 } else 1396 error = ENOENT; 1397 } else { 1398 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1399 } 1400 return error; 1401 } 1402 1403 static int 1404 setmlme_common(struct ieee80211vap *vap, int op, 1405 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1406 { 1407 struct ieee80211com *ic = vap->iv_ic; 1408 struct ieee80211_node_table *nt = &ic->ic_sta; 1409 struct ieee80211_node *ni; 1410 struct mlmeop mlmeop; 1411 int error; 1412 1413 error = 0; 1414 switch (op) { 1415 case IEEE80211_MLME_DISASSOC: 1416 case IEEE80211_MLME_DEAUTH: 1417 switch (vap->iv_opmode) { 1418 case IEEE80211_M_STA: 1419 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1420 /* XXX not quite right */ 1421 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1422 break; 1423 case IEEE80211_M_HOSTAP: 1424 mlmeop.vap = vap; 1425 mlmeop.op = op; 1426 mlmeop.reason = reason; 1427 error = setmlme_dropsta(vap, mac, &mlmeop); 1428 break; 1429 case IEEE80211_M_WDS: 1430 /* XXX user app should send raw frame? */ 1431 if (op != IEEE80211_MLME_DEAUTH) { 1432 error = EINVAL; 1433 break; 1434 } 1435 #if 0 1436 /* XXX accept any address, simplifies user code */ 1437 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1438 error = EINVAL; 1439 break; 1440 } 1441 #endif 1442 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1443 ni = ieee80211_ref_node(vap->iv_bss); 1444 IEEE80211_SEND_MGMT(ni, 1445 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1446 ieee80211_free_node(ni); 1447 break; 1448 case IEEE80211_M_MBSS: 1449 IEEE80211_NODE_LOCK(nt); 1450 ni = ieee80211_find_node_locked(nt, mac); 1451 /* 1452 * Don't do the node update inside the node 1453 * table lock. This unfortunately causes LORs 1454 * with drivers and their TX paths. 1455 */ 1456 IEEE80211_NODE_UNLOCK(nt); 1457 if (ni != NULL) { 1458 ieee80211_node_leave(ni); 1459 ieee80211_free_node(ni); 1460 } else { 1461 error = ENOENT; 1462 } 1463 break; 1464 default: 1465 error = EINVAL; 1466 break; 1467 } 1468 break; 1469 case IEEE80211_MLME_AUTHORIZE: 1470 case IEEE80211_MLME_UNAUTHORIZE: 1471 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1472 vap->iv_opmode != IEEE80211_M_WDS) { 1473 error = EINVAL; 1474 break; 1475 } 1476 IEEE80211_NODE_LOCK(nt); 1477 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1478 /* 1479 * Don't do the node update inside the node 1480 * table lock. This unfortunately causes LORs 1481 * with drivers and their TX paths. 1482 */ 1483 IEEE80211_NODE_UNLOCK(nt); 1484 if (ni != NULL) { 1485 mlmedebug(vap, mac, op, reason); 1486 if (op == IEEE80211_MLME_AUTHORIZE) 1487 ieee80211_node_authorize(ni); 1488 else 1489 ieee80211_node_unauthorize(ni); 1490 ieee80211_free_node(ni); 1491 } else 1492 error = ENOENT; 1493 break; 1494 case IEEE80211_MLME_AUTH: 1495 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1496 error = EINVAL; 1497 break; 1498 } 1499 IEEE80211_NODE_LOCK(nt); 1500 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1501 /* 1502 * Don't do the node update inside the node 1503 * table lock. This unfortunately causes LORs 1504 * with drivers and their TX paths. 1505 */ 1506 IEEE80211_NODE_UNLOCK(nt); 1507 if (ni != NULL) { 1508 mlmedebug(vap, mac, op, reason); 1509 if (reason == IEEE80211_STATUS_SUCCESS) { 1510 IEEE80211_SEND_MGMT(ni, 1511 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1512 /* 1513 * For shared key auth, just continue the 1514 * exchange. Otherwise when 802.1x is not in 1515 * use mark the port authorized at this point 1516 * so traffic can flow. 1517 */ 1518 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1519 ni->ni_challenge == NULL) 1520 ieee80211_node_authorize(ni); 1521 } else { 1522 vap->iv_stats.is_rx_acl++; 1523 ieee80211_send_error(ni, ni->ni_macaddr, 1524 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1525 ieee80211_node_leave(ni); 1526 } 1527 ieee80211_free_node(ni); 1528 } else 1529 error = ENOENT; 1530 break; 1531 default: 1532 error = EINVAL; 1533 break; 1534 } 1535 return error; 1536 } 1537 1538 struct scanlookup { 1539 const uint8_t *mac; 1540 int esslen; 1541 const uint8_t *essid; 1542 const struct ieee80211_scan_entry *se; 1543 }; 1544 1545 /* 1546 * Match mac address and any ssid. 1547 */ 1548 static void 1549 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1550 { 1551 struct scanlookup *look = arg; 1552 1553 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1554 return; 1555 if (look->esslen != 0) { 1556 if (se->se_ssid[1] != look->esslen) 1557 return; 1558 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1559 return; 1560 } 1561 look->se = se; 1562 } 1563 1564 static int 1565 setmlme_assoc_sta(struct ieee80211vap *vap, 1566 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1567 const uint8_t ssid[IEEE80211_NWID_LEN]) 1568 { 1569 struct scanlookup lookup; 1570 1571 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1572 ("expected opmode STA not %s", 1573 ieee80211_opmode_name[vap->iv_opmode])); 1574 1575 /* NB: this is racey if roaming is !manual */ 1576 lookup.se = NULL; 1577 lookup.mac = mac; 1578 lookup.esslen = ssid_len; 1579 lookup.essid = ssid; 1580 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1581 if (lookup.se == NULL) 1582 return ENOENT; 1583 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1584 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1585 return EIO; /* XXX unique but could be better */ 1586 return 0; 1587 } 1588 1589 static int 1590 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1591 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1592 const uint8_t ssid[IEEE80211_NWID_LEN]) 1593 { 1594 struct ieee80211_scan_req *sr; 1595 int error; 1596 1597 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1598 vap->iv_opmode == IEEE80211_M_AHDEMO, 1599 ("expected opmode IBSS or AHDEMO not %s", 1600 ieee80211_opmode_name[vap->iv_opmode])); 1601 1602 if (ssid_len == 0) 1603 return EINVAL; 1604 1605 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1606 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1607 if (sr == NULL) 1608 return ENOMEM; 1609 1610 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1611 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1612 vap->iv_des_ssid[0].len = ssid_len; 1613 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1614 vap->iv_des_nssid = 1; 1615 1616 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1617 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1618 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1619 sr->sr_ssid[0].len = ssid_len; 1620 sr->sr_nssid = 1; 1621 1622 error = ieee80211_scanreq(vap, sr); 1623 1624 IEEE80211_FREE(sr, M_TEMP); 1625 return error; 1626 } 1627 1628 static int 1629 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1630 { 1631 struct ieee80211req_mlme mlme; 1632 int error; 1633 1634 if (ireq->i_len != sizeof(mlme)) 1635 return EINVAL; 1636 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1637 if (error) 1638 return error; 1639 if (vap->iv_opmode == IEEE80211_M_STA && 1640 mlme.im_op == IEEE80211_MLME_ASSOC) 1641 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1642 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1643 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1644 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1645 mlme.im_op == IEEE80211_MLME_ASSOC) 1646 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1647 mlme.im_ssid_len, mlme.im_ssid); 1648 else 1649 return setmlme_common(vap, mlme.im_op, 1650 mlme.im_macaddr, mlme.im_reason); 1651 } 1652 1653 static int 1654 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1655 { 1656 uint8_t mac[IEEE80211_ADDR_LEN]; 1657 const struct ieee80211_aclator *acl = vap->iv_acl; 1658 int error; 1659 1660 if (ireq->i_len != sizeof(mac)) 1661 return EINVAL; 1662 error = copyin(ireq->i_data, mac, ireq->i_len); 1663 if (error) 1664 return error; 1665 if (acl == NULL) { 1666 acl = ieee80211_aclator_get("mac"); 1667 if (acl == NULL || !acl->iac_attach(vap)) 1668 return EINVAL; 1669 vap->iv_acl = acl; 1670 } 1671 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1672 acl->iac_add(vap, mac); 1673 else 1674 acl->iac_remove(vap, mac); 1675 return 0; 1676 } 1677 1678 static int 1679 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1680 { 1681 const struct ieee80211_aclator *acl = vap->iv_acl; 1682 1683 switch (ireq->i_val) { 1684 case IEEE80211_MACCMD_POLICY_OPEN: 1685 case IEEE80211_MACCMD_POLICY_ALLOW: 1686 case IEEE80211_MACCMD_POLICY_DENY: 1687 case IEEE80211_MACCMD_POLICY_RADIUS: 1688 if (acl == NULL) { 1689 acl = ieee80211_aclator_get("mac"); 1690 if (acl == NULL || !acl->iac_attach(vap)) 1691 return EINVAL; 1692 vap->iv_acl = acl; 1693 } 1694 acl->iac_setpolicy(vap, ireq->i_val); 1695 break; 1696 case IEEE80211_MACCMD_FLUSH: 1697 if (acl != NULL) 1698 acl->iac_flush(vap); 1699 /* NB: silently ignore when not in use */ 1700 break; 1701 case IEEE80211_MACCMD_DETACH: 1702 if (acl != NULL) { 1703 vap->iv_acl = NULL; 1704 acl->iac_detach(vap); 1705 } 1706 break; 1707 default: 1708 if (acl == NULL) 1709 return EINVAL; 1710 else 1711 return acl->iac_setioctl(vap, ireq); 1712 } 1713 return 0; 1714 } 1715 1716 static int 1717 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1718 { 1719 struct ieee80211com *ic = vap->iv_ic; 1720 uint8_t *chanlist, *list; 1721 int i, nchan, maxchan, error; 1722 1723 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1724 ireq->i_len = sizeof(ic->ic_chan_active); 1725 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1726 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1727 if (list == NULL) 1728 return ENOMEM; 1729 error = copyin(ireq->i_data, list, ireq->i_len); 1730 if (error) { 1731 IEEE80211_FREE(list, M_TEMP); 1732 return error; 1733 } 1734 nchan = 0; 1735 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1736 maxchan = ireq->i_len * NBBY; 1737 for (i = 0; i < ic->ic_nchans; i++) { 1738 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1739 /* 1740 * Calculate the intersection of the user list and the 1741 * available channels so users can do things like specify 1742 * 1-255 to get all available channels. 1743 */ 1744 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1745 setbit(chanlist, c->ic_ieee); 1746 nchan++; 1747 } 1748 } 1749 if (nchan == 0) { 1750 IEEE80211_FREE(list, M_TEMP); 1751 return EINVAL; 1752 } 1753 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1754 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1755 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1756 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1757 ieee80211_scan_flush(vap); 1758 IEEE80211_FREE(list, M_TEMP); 1759 return ENETRESET; 1760 } 1761 1762 static int 1763 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1764 { 1765 struct ieee80211_node *ni; 1766 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1767 int error; 1768 1769 /* 1770 * NB: we could copyin ieee80211req_sta_stats so apps 1771 * could make selective changes but that's overkill; 1772 * just clear all stats for now. 1773 */ 1774 if (ireq->i_len < IEEE80211_ADDR_LEN) 1775 return EINVAL; 1776 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1777 if (error != 0) 1778 return error; 1779 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1780 if (ni == NULL) 1781 return ENOENT; 1782 /* XXX require ni_vap == vap? */ 1783 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1784 ieee80211_free_node(ni); 1785 return 0; 1786 } 1787 1788 static int 1789 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1790 { 1791 struct ieee80211_node *ni; 1792 struct ieee80211req_sta_txpow txpow; 1793 int error; 1794 1795 if (ireq->i_len != sizeof(txpow)) 1796 return EINVAL; 1797 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1798 if (error != 0) 1799 return error; 1800 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1801 if (ni == NULL) 1802 return ENOENT; 1803 ni->ni_txpower = txpow.it_txpow; 1804 ieee80211_free_node(ni); 1805 return error; 1806 } 1807 1808 static int 1809 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1810 { 1811 struct ieee80211com *ic = vap->iv_ic; 1812 struct ieee80211_wme_state *wme = &ic->ic_wme; 1813 struct wmeParams *wmep, *chanp; 1814 int isbss, ac, aggrmode; 1815 1816 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1817 return EOPNOTSUPP; 1818 1819 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1820 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1821 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1822 if (ac >= WME_NUM_AC) 1823 ac = WME_AC_BE; 1824 if (isbss) { 1825 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1826 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1827 } else { 1828 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1829 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1830 } 1831 switch (ireq->i_type) { 1832 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1833 wmep->wmep_logcwmin = ireq->i_val; 1834 if (!isbss || !aggrmode) 1835 chanp->wmep_logcwmin = ireq->i_val; 1836 break; 1837 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1838 wmep->wmep_logcwmax = ireq->i_val; 1839 if (!isbss || !aggrmode) 1840 chanp->wmep_logcwmax = ireq->i_val; 1841 break; 1842 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1843 wmep->wmep_aifsn = ireq->i_val; 1844 if (!isbss || !aggrmode) 1845 chanp->wmep_aifsn = ireq->i_val; 1846 break; 1847 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1848 wmep->wmep_txopLimit = ireq->i_val; 1849 if (!isbss || !aggrmode) 1850 chanp->wmep_txopLimit = ireq->i_val; 1851 break; 1852 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1853 wmep->wmep_acm = ireq->i_val; 1854 if (!aggrmode) 1855 chanp->wmep_acm = ireq->i_val; 1856 break; 1857 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1858 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1859 (ireq->i_val) == 0; 1860 break; 1861 } 1862 ieee80211_wme_updateparams(vap); 1863 return 0; 1864 } 1865 1866 static int 1867 find11gchannel(struct ieee80211com *ic, int start, int freq) 1868 { 1869 const struct ieee80211_channel *c; 1870 int i; 1871 1872 for (i = start+1; i < ic->ic_nchans; i++) { 1873 c = &ic->ic_channels[i]; 1874 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1875 return 1; 1876 } 1877 /* NB: should not be needed but in case things are mis-sorted */ 1878 for (i = 0; i < start; i++) { 1879 c = &ic->ic_channels[i]; 1880 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1881 return 1; 1882 } 1883 return 0; 1884 } 1885 1886 static struct ieee80211_channel * 1887 findchannel(struct ieee80211com *ic, int ieee, int mode) 1888 { 1889 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1890 [IEEE80211_MODE_AUTO] = 0, 1891 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1892 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1893 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1894 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1895 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1896 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1897 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1898 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1899 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1900 /* NB: handled specially below */ 1901 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1902 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1903 [IEEE80211_MODE_VHT_5GHZ] = IEEE80211_CHAN_A, 1904 [IEEE80211_MODE_VHT_2GHZ] = IEEE80211_CHAN_G, 1905 }; 1906 u_int modeflags; 1907 int i; 1908 1909 modeflags = chanflags[mode]; 1910 for (i = 0; i < ic->ic_nchans; i++) { 1911 struct ieee80211_channel *c = &ic->ic_channels[i]; 1912 1913 if (c->ic_ieee != ieee) 1914 continue; 1915 if (mode == IEEE80211_MODE_AUTO) { 1916 /* ignore turbo channels for autoselect */ 1917 if (IEEE80211_IS_CHAN_TURBO(c)) 1918 continue; 1919 /* 1920 * XXX special-case 11b/g channels so we 1921 * always select the g channel if both 1922 * are present. 1923 * XXX prefer HT to non-HT? 1924 */ 1925 if (!IEEE80211_IS_CHAN_B(c) || 1926 !find11gchannel(ic, i, c->ic_freq)) 1927 return c; 1928 } else { 1929 /* must check VHT specifically */ 1930 if ((mode == IEEE80211_MODE_VHT_5GHZ || 1931 mode == IEEE80211_MODE_VHT_2GHZ) && 1932 !IEEE80211_IS_CHAN_VHT(c)) 1933 continue; 1934 1935 /* 1936 * Must check HT specially - only match on HT, 1937 * not HT+VHT channels 1938 */ 1939 if ((mode == IEEE80211_MODE_11NA || 1940 mode == IEEE80211_MODE_11NG) && 1941 !IEEE80211_IS_CHAN_HT(c)) 1942 continue; 1943 1944 if ((mode == IEEE80211_MODE_11NA || 1945 mode == IEEE80211_MODE_11NG) && 1946 IEEE80211_IS_CHAN_VHT(c)) 1947 continue; 1948 1949 /* Check that the modeflags above match */ 1950 if ((c->ic_flags & modeflags) == modeflags) 1951 return c; 1952 } 1953 } 1954 return NULL; 1955 } 1956 1957 /* 1958 * Check the specified against any desired mode (aka netband). 1959 * This is only used (presently) when operating in hostap mode 1960 * to enforce consistency. 1961 */ 1962 static int 1963 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1964 { 1965 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1966 1967 switch (mode) { 1968 case IEEE80211_MODE_11B: 1969 return (IEEE80211_IS_CHAN_B(c)); 1970 case IEEE80211_MODE_11G: 1971 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1972 case IEEE80211_MODE_11A: 1973 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1974 case IEEE80211_MODE_STURBO_A: 1975 return (IEEE80211_IS_CHAN_STURBO(c)); 1976 case IEEE80211_MODE_11NA: 1977 return (IEEE80211_IS_CHAN_HTA(c)); 1978 case IEEE80211_MODE_11NG: 1979 return (IEEE80211_IS_CHAN_HTG(c)); 1980 } 1981 return 1; 1982 1983 } 1984 1985 /* 1986 * Common code to set the current channel. If the device 1987 * is up and running this may result in an immediate channel 1988 * change or a kick of the state machine. 1989 */ 1990 static int 1991 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1992 { 1993 struct ieee80211com *ic = vap->iv_ic; 1994 int error; 1995 1996 if (c != IEEE80211_CHAN_ANYC) { 1997 if (IEEE80211_IS_CHAN_RADAR(c)) 1998 return EBUSY; /* XXX better code? */ 1999 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 2000 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 2001 return EINVAL; 2002 if (!check_mode_consistency(c, vap->iv_des_mode)) 2003 return EINVAL; 2004 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 2005 if (IEEE80211_IS_CHAN_NOADHOC(c)) 2006 return EINVAL; 2007 } 2008 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 2009 vap->iv_bss->ni_chan == c) 2010 return 0; /* NB: nothing to do */ 2011 } 2012 vap->iv_des_chan = c; 2013 2014 error = 0; 2015 if (vap->iv_opmode == IEEE80211_M_MONITOR && 2016 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2017 /* 2018 * Monitor mode can switch directly. 2019 */ 2020 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 2021 /* XXX need state machine for other vap's to follow */ 2022 ieee80211_setcurchan(ic, vap->iv_des_chan); 2023 vap->iv_bss->ni_chan = ic->ic_curchan; 2024 } else { 2025 ic->ic_curchan = vap->iv_des_chan; 2026 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2027 } 2028 } else { 2029 /* 2030 * Need to go through the state machine in case we 2031 * need to reassociate or the like. The state machine 2032 * will pickup the desired channel and avoid scanning. 2033 */ 2034 if (IS_UP_AUTO(vap)) 2035 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2036 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2037 /* 2038 * When not up+running and a real channel has 2039 * been specified fix the current channel so 2040 * there is immediate feedback; e.g. via ifconfig. 2041 */ 2042 ic->ic_curchan = vap->iv_des_chan; 2043 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2044 } 2045 } 2046 return error; 2047 } 2048 2049 /* 2050 * Old api for setting the current channel; this is 2051 * deprecated because channel numbers are ambiguous. 2052 */ 2053 static int 2054 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2055 const struct ieee80211req *ireq) 2056 { 2057 struct ieee80211com *ic = vap->iv_ic; 2058 struct ieee80211_channel *c; 2059 2060 /* XXX 0xffff overflows 16-bit signed */ 2061 if (ireq->i_val == 0 || 2062 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2063 c = IEEE80211_CHAN_ANYC; 2064 } else { 2065 struct ieee80211_channel *c2; 2066 2067 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2068 if (c == NULL) { 2069 c = findchannel(ic, ireq->i_val, 2070 IEEE80211_MODE_AUTO); 2071 if (c == NULL) 2072 return EINVAL; 2073 } 2074 2075 /* 2076 * Fine tune channel selection based on desired mode: 2077 * if 11b is requested, find the 11b version of any 2078 * 11g channel returned, 2079 * if static turbo, find the turbo version of any 2080 * 11a channel return, 2081 * if 11na is requested, find the ht version of any 2082 * 11a channel returned, 2083 * if 11ng is requested, find the ht version of any 2084 * 11g channel returned, 2085 * if 11ac is requested, find the 11ac version 2086 * of any 11a/11na channel returned, 2087 * (TBD) 11acg (2GHz VHT) 2088 * otherwise we should be ok with what we've got. 2089 */ 2090 switch (vap->iv_des_mode) { 2091 case IEEE80211_MODE_11B: 2092 if (IEEE80211_IS_CHAN_ANYG(c)) { 2093 c2 = findchannel(ic, ireq->i_val, 2094 IEEE80211_MODE_11B); 2095 /* NB: should not happen, =>'s 11g w/o 11b */ 2096 if (c2 != NULL) 2097 c = c2; 2098 } 2099 break; 2100 case IEEE80211_MODE_TURBO_A: 2101 if (IEEE80211_IS_CHAN_A(c)) { 2102 c2 = findchannel(ic, ireq->i_val, 2103 IEEE80211_MODE_TURBO_A); 2104 if (c2 != NULL) 2105 c = c2; 2106 } 2107 break; 2108 case IEEE80211_MODE_11NA: 2109 if (IEEE80211_IS_CHAN_A(c)) { 2110 c2 = findchannel(ic, ireq->i_val, 2111 IEEE80211_MODE_11NA); 2112 if (c2 != NULL) 2113 c = c2; 2114 } 2115 break; 2116 case IEEE80211_MODE_11NG: 2117 if (IEEE80211_IS_CHAN_ANYG(c)) { 2118 c2 = findchannel(ic, ireq->i_val, 2119 IEEE80211_MODE_11NG); 2120 if (c2 != NULL) 2121 c = c2; 2122 } 2123 break; 2124 case IEEE80211_MODE_VHT_2GHZ: 2125 printf("%s: TBD\n", __func__); 2126 break; 2127 case IEEE80211_MODE_VHT_5GHZ: 2128 if (IEEE80211_IS_CHAN_A(c)) { 2129 c2 = findchannel(ic, ireq->i_val, 2130 IEEE80211_MODE_VHT_5GHZ); 2131 if (c2 != NULL) 2132 c = c2; 2133 } 2134 break; 2135 default: /* NB: no static turboG */ 2136 break; 2137 } 2138 } 2139 return setcurchan(vap, c); 2140 } 2141 2142 /* 2143 * New/current api for setting the current channel; a complete 2144 * channel description is provide so there is no ambiguity in 2145 * identifying the channel. 2146 */ 2147 static int 2148 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2149 const struct ieee80211req *ireq) 2150 { 2151 struct ieee80211com *ic = vap->iv_ic; 2152 struct ieee80211_channel chan, *c; 2153 int error; 2154 2155 if (ireq->i_len != sizeof(chan)) 2156 return EINVAL; 2157 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2158 if (error != 0) 2159 return error; 2160 2161 /* XXX 0xffff overflows 16-bit signed */ 2162 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2163 c = IEEE80211_CHAN_ANYC; 2164 } else { 2165 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2166 if (c == NULL) 2167 return EINVAL; 2168 } 2169 return setcurchan(vap, c); 2170 } 2171 2172 static int 2173 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2174 const struct ieee80211req *ireq) 2175 { 2176 struct ieee80211_regdomain_req *reg; 2177 int nchans, error; 2178 2179 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2180 sizeof(struct ieee80211_channel)); 2181 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2182 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2183 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2184 ireq->i_len, nchans); 2185 return EINVAL; 2186 } 2187 reg = (struct ieee80211_regdomain_req *) 2188 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2189 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2190 if (reg == NULL) { 2191 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2192 "%s: no memory, nchans %d\n", __func__, nchans); 2193 return ENOMEM; 2194 } 2195 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2196 if (error == 0) { 2197 /* NB: validate inline channel count against storage size */ 2198 if (reg->chaninfo.ic_nchans != nchans) { 2199 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2200 "%s: chan cnt mismatch, %d != %d\n", __func__, 2201 reg->chaninfo.ic_nchans, nchans); 2202 error = EINVAL; 2203 } else 2204 error = ieee80211_setregdomain(vap, reg); 2205 } 2206 IEEE80211_FREE(reg, M_TEMP); 2207 2208 return (error == 0 ? ENETRESET : error); 2209 } 2210 2211 static int 2212 checkrate(const struct ieee80211_rateset *rs, int rate) 2213 { 2214 int i; 2215 2216 if (rate == IEEE80211_FIXED_RATE_NONE) 2217 return 1; 2218 for (i = 0; i < rs->rs_nrates; i++) 2219 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2220 return 1; 2221 return 0; 2222 } 2223 2224 static int 2225 checkmcs(const struct ieee80211_htrateset *rs, int mcs) 2226 { 2227 int rate_val = IEEE80211_RV(mcs); 2228 int i; 2229 2230 if (mcs == IEEE80211_FIXED_RATE_NONE) 2231 return 1; 2232 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2233 return 0; 2234 for (i = 0; i < rs->rs_nrates; i++) 2235 if (IEEE80211_RV(rs->rs_rates[i]) == rate_val) 2236 return 1; 2237 return 0; 2238 } 2239 2240 static int 2241 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2242 const struct ieee80211req *ireq) 2243 { 2244 struct ieee80211com *ic = vap->iv_ic; 2245 struct ieee80211_roamparams_req *parms; 2246 struct ieee80211_roamparam *src, *dst; 2247 const struct ieee80211_htrateset *rs_ht; 2248 const struct ieee80211_rateset *rs; 2249 int changed, error, mode, is11n, nmodes; 2250 2251 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2252 return EINVAL; 2253 2254 parms = IEEE80211_MALLOC(sizeof(*parms), M_TEMP, 2255 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2256 if (parms == NULL) 2257 return ENOMEM; 2258 2259 error = copyin(ireq->i_data, parms, ireq->i_len); 2260 if (error != 0) 2261 goto fail; 2262 2263 changed = 0; 2264 nmodes = IEEE80211_MODE_MAX; 2265 2266 /* validate parameters and check if anything changed */ 2267 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2268 if (isclr(ic->ic_modecaps, mode)) 2269 continue; 2270 src = &parms->params[mode]; 2271 dst = &vap->iv_roamparms[mode]; 2272 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2273 rs_ht = &ic->ic_sup_htrates; 2274 is11n = (mode == IEEE80211_MODE_11NA || 2275 mode == IEEE80211_MODE_11NG); 2276 /* XXX TODO: 11ac */ 2277 if (src->rate != dst->rate) { 2278 if (!checkrate(rs, src->rate) && 2279 (!is11n || !checkmcs(rs_ht, src->rate))) { 2280 error = EINVAL; 2281 goto fail; 2282 } 2283 changed++; 2284 } 2285 if (src->rssi != dst->rssi) 2286 changed++; 2287 } 2288 if (changed) { 2289 /* 2290 * Copy new parameters in place and notify the 2291 * driver so it can push state to the device. 2292 */ 2293 /* XXX locking? */ 2294 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2295 if (isset(ic->ic_modecaps, mode)) 2296 vap->iv_roamparms[mode] = parms->params[mode]; 2297 } 2298 2299 if (vap->iv_roaming == IEEE80211_ROAMING_DEVICE) 2300 error = ERESTART; 2301 } 2302 2303 fail: IEEE80211_FREE(parms, M_TEMP); 2304 return error; 2305 } 2306 2307 static int 2308 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2309 const struct ieee80211req *ireq) 2310 { 2311 struct ieee80211com *ic = vap->iv_ic; 2312 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2313 struct ieee80211_txparam *src, *dst; 2314 const struct ieee80211_htrateset *rs_ht; 2315 const struct ieee80211_rateset *rs; 2316 int error, mode, changed, is11n, nmodes; 2317 2318 /* NB: accept short requests for backwards compat */ 2319 if (ireq->i_len > sizeof(parms)) 2320 return EINVAL; 2321 error = copyin(ireq->i_data, &parms, ireq->i_len); 2322 if (error != 0) 2323 return error; 2324 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2325 changed = 0; 2326 /* validate parameters and check if anything changed */ 2327 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2328 if (isclr(ic->ic_modecaps, mode)) 2329 continue; 2330 src = &parms.params[mode]; 2331 dst = &vap->iv_txparms[mode]; 2332 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2333 rs_ht = &ic->ic_sup_htrates; 2334 is11n = (mode == IEEE80211_MODE_11NA || 2335 mode == IEEE80211_MODE_11NG); 2336 if (src->ucastrate != dst->ucastrate) { 2337 if (!checkrate(rs, src->ucastrate) && 2338 (!is11n || !checkmcs(rs_ht, src->ucastrate))) 2339 return EINVAL; 2340 changed++; 2341 } 2342 if (src->mcastrate != dst->mcastrate) { 2343 if (!checkrate(rs, src->mcastrate) && 2344 (!is11n || !checkmcs(rs_ht, src->mcastrate))) 2345 return EINVAL; 2346 changed++; 2347 } 2348 if (src->mgmtrate != dst->mgmtrate) { 2349 if (!checkrate(rs, src->mgmtrate) && 2350 (!is11n || !checkmcs(rs_ht, src->mgmtrate))) 2351 return EINVAL; 2352 changed++; 2353 } 2354 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2355 changed++; 2356 } 2357 if (changed) { 2358 /* 2359 * Copy new parameters in place and notify the 2360 * driver so it can push state to the device. 2361 */ 2362 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2363 if (isset(ic->ic_modecaps, mode)) 2364 vap->iv_txparms[mode] = parms.params[mode]; 2365 } 2366 /* XXX could be more intelligent, 2367 e.g. don't reset if setting not being used */ 2368 return ENETRESET; 2369 } 2370 return 0; 2371 } 2372 2373 /* 2374 * Application Information Element support. 2375 */ 2376 static int 2377 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2378 { 2379 struct ieee80211_appie *app = *aie; 2380 struct ieee80211_appie *napp; 2381 int error; 2382 2383 if (ireq->i_len == 0) { /* delete any existing ie */ 2384 if (app != NULL) { 2385 *aie = NULL; /* XXX racey */ 2386 IEEE80211_FREE(app, M_80211_NODE_IE); 2387 } 2388 return 0; 2389 } 2390 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2391 return EINVAL; 2392 /* 2393 * Allocate a new appie structure and copy in the user data. 2394 * When done swap in the new structure. Note that we do not 2395 * guard against users holding a ref to the old structure; 2396 * this must be handled outside this code. 2397 * 2398 * XXX bad bad bad 2399 */ 2400 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2401 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2402 IEEE80211_M_NOWAIT); 2403 if (napp == NULL) 2404 return ENOMEM; 2405 /* XXX holding ic lock */ 2406 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2407 if (error) { 2408 IEEE80211_FREE(napp, M_80211_NODE_IE); 2409 return error; 2410 } 2411 napp->ie_len = ireq->i_len; 2412 *aie = napp; 2413 if (app != NULL) 2414 IEEE80211_FREE(app, M_80211_NODE_IE); 2415 return 0; 2416 } 2417 2418 static void 2419 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2420 { 2421 /* validate data is present as best we can */ 2422 if (space == 0 || 2+ie[1] > space) 2423 return; 2424 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2425 vap->iv_wpa_ie = ie; 2426 else if (ie[0] == IEEE80211_ELEMID_RSN) 2427 vap->iv_rsn_ie = ie; 2428 } 2429 2430 static int 2431 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2432 const struct ieee80211req *ireq, int fc0) 2433 { 2434 int error; 2435 2436 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2437 2438 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2439 case IEEE80211_FC0_SUBTYPE_BEACON: 2440 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2441 vap->iv_opmode != IEEE80211_M_IBSS) { 2442 error = EINVAL; 2443 break; 2444 } 2445 error = setappie(&vap->iv_appie_beacon, ireq); 2446 if (error == 0) 2447 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2448 break; 2449 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2450 error = setappie(&vap->iv_appie_proberesp, ireq); 2451 break; 2452 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2453 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2454 error = setappie(&vap->iv_appie_assocresp, ireq); 2455 else 2456 error = EINVAL; 2457 break; 2458 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2459 error = setappie(&vap->iv_appie_probereq, ireq); 2460 break; 2461 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2462 if (vap->iv_opmode == IEEE80211_M_STA) 2463 error = setappie(&vap->iv_appie_assocreq, ireq); 2464 else 2465 error = EINVAL; 2466 break; 2467 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2468 error = setappie(&vap->iv_appie_wpa, ireq); 2469 if (error == 0) { 2470 /* 2471 * Must split single blob of data into separate 2472 * WPA and RSN ie's because they go in different 2473 * locations in the mgt frames. 2474 * XXX use IEEE80211_IOC_WPA2 so user code does split 2475 */ 2476 vap->iv_wpa_ie = NULL; 2477 vap->iv_rsn_ie = NULL; 2478 if (vap->iv_appie_wpa != NULL) { 2479 struct ieee80211_appie *appie = 2480 vap->iv_appie_wpa; 2481 uint8_t *data = appie->ie_data; 2482 2483 /* XXX ie length validate is painful, cheat */ 2484 setwparsnie(vap, data, appie->ie_len); 2485 setwparsnie(vap, data + 2 + data[1], 2486 appie->ie_len - (2 + data[1])); 2487 } 2488 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2489 vap->iv_opmode == IEEE80211_M_IBSS) { 2490 /* 2491 * Must rebuild beacon frame as the update 2492 * mechanism doesn't handle WPA/RSN ie's. 2493 * Could extend it but it doesn't normally 2494 * change; this is just to deal with hostapd 2495 * plumbing the ie after the interface is up. 2496 */ 2497 error = ENETRESET; 2498 } 2499 } 2500 break; 2501 default: 2502 error = EINVAL; 2503 break; 2504 } 2505 return error; 2506 } 2507 2508 static int 2509 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2510 const struct ieee80211req *ireq) 2511 { 2512 struct ieee80211com *ic = vap->iv_ic; 2513 int error; 2514 uint8_t fc0; 2515 2516 fc0 = ireq->i_val & 0xff; 2517 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2518 return EINVAL; 2519 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2520 IEEE80211_LOCK(ic); 2521 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2522 IEEE80211_UNLOCK(ic); 2523 return error; 2524 } 2525 2526 static int 2527 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2528 { 2529 struct ieee80211com *ic = vap->iv_ic; 2530 struct ieee80211_chanswitch_req csr; 2531 struct ieee80211_channel *c; 2532 int error; 2533 2534 if (ireq->i_len != sizeof(csr)) 2535 return EINVAL; 2536 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2537 if (error != 0) 2538 return error; 2539 /* XXX adhoc mode not supported */ 2540 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2541 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2542 return EOPNOTSUPP; 2543 c = ieee80211_find_channel(ic, 2544 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2545 if (c == NULL) 2546 return ENOENT; 2547 IEEE80211_LOCK(ic); 2548 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2549 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2550 else if (csr.csa_count == 0) 2551 ieee80211_csa_cancelswitch(ic); 2552 else 2553 error = EBUSY; 2554 IEEE80211_UNLOCK(ic); 2555 return error; 2556 } 2557 2558 static int 2559 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2560 { 2561 #define IEEE80211_IOC_SCAN_FLAGS \ 2562 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2563 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2564 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2565 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2566 IEEE80211_IOC_SCAN_CHECK) 2567 struct ieee80211com *ic = vap->iv_ic; 2568 int error, i; 2569 2570 /* convert duration */ 2571 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2572 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2573 else { 2574 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2575 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2576 return EINVAL; 2577 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2578 } 2579 /* convert min/max channel dwell */ 2580 if (sr->sr_mindwell != 0) 2581 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2582 if (sr->sr_maxdwell != 0) 2583 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2584 /* NB: silently reduce ssid count to what is supported */ 2585 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2586 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2587 for (i = 0; i < sr->sr_nssid; i++) 2588 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2589 return EINVAL; 2590 /* cleanse flags just in case, could reject if invalid flags */ 2591 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2592 /* 2593 * Add an implicit NOPICK if the vap is not marked UP. This 2594 * allows applications to scan without joining a bss (or picking 2595 * a channel and setting up a bss) and without forcing manual 2596 * roaming mode--you just need to mark the parent device UP. 2597 */ 2598 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2599 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2600 2601 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2602 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2603 __func__, sr->sr_flags, 2604 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2605 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2606 /* 2607 * If we are in INIT state then the driver has never had a chance 2608 * to setup hardware state to do a scan; we must use the state 2609 * machine to get us up to the SCAN state but once we reach SCAN 2610 * state we then want to use the supplied params. Stash the 2611 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2612 * state machines will recognize this and use the stashed params 2613 * to issue the scan request. 2614 * 2615 * Otherwise just invoke the scan machinery directly. 2616 */ 2617 IEEE80211_LOCK(ic); 2618 if (ic->ic_nrunning == 0) { 2619 IEEE80211_UNLOCK(ic); 2620 return ENXIO; 2621 } 2622 2623 if (vap->iv_state == IEEE80211_S_INIT) { 2624 /* NB: clobbers previous settings */ 2625 vap->iv_scanreq_flags = sr->sr_flags; 2626 vap->iv_scanreq_duration = sr->sr_duration; 2627 vap->iv_scanreq_nssid = sr->sr_nssid; 2628 for (i = 0; i < sr->sr_nssid; i++) { 2629 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2630 memcpy(vap->iv_scanreq_ssid[i].ssid, 2631 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2632 } 2633 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2634 IEEE80211_UNLOCK(ic); 2635 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2636 } else { 2637 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2638 IEEE80211_UNLOCK(ic); 2639 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2640 error = ieee80211_check_scan(vap, sr->sr_flags, 2641 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2642 sr->sr_nssid, 2643 /* NB: cheat, we assume structures are compatible */ 2644 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2645 } else { 2646 error = ieee80211_start_scan(vap, sr->sr_flags, 2647 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2648 sr->sr_nssid, 2649 /* NB: cheat, we assume structures are compatible */ 2650 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2651 } 2652 if (error == 0) 2653 return EINPROGRESS; 2654 } 2655 return 0; 2656 #undef IEEE80211_IOC_SCAN_FLAGS 2657 } 2658 2659 static int 2660 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2661 { 2662 struct ieee80211_scan_req *sr; 2663 int error; 2664 2665 if (ireq->i_len != sizeof(*sr)) 2666 return EINVAL; 2667 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2668 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2669 if (sr == NULL) 2670 return ENOMEM; 2671 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2672 if (error != 0) 2673 goto bad; 2674 error = ieee80211_scanreq(vap, sr); 2675 bad: 2676 IEEE80211_FREE(sr, M_TEMP); 2677 return error; 2678 } 2679 2680 static int 2681 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2682 { 2683 struct ieee80211_node *ni; 2684 struct ieee80211req_sta_vlan vlan; 2685 int error; 2686 2687 if (ireq->i_len != sizeof(vlan)) 2688 return EINVAL; 2689 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2690 if (error != 0) 2691 return error; 2692 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2693 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2694 vlan.sv_macaddr); 2695 if (ni == NULL) 2696 return ENOENT; 2697 } else 2698 ni = ieee80211_ref_node(vap->iv_bss); 2699 ni->ni_vlan = vlan.sv_vlan; 2700 ieee80211_free_node(ni); 2701 return error; 2702 } 2703 2704 static int 2705 isvap11g(const struct ieee80211vap *vap) 2706 { 2707 const struct ieee80211_node *bss = vap->iv_bss; 2708 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2709 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2710 } 2711 2712 static int 2713 isvapht(const struct ieee80211vap *vap) 2714 { 2715 const struct ieee80211_node *bss = vap->iv_bss; 2716 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2717 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2718 } 2719 2720 /* 2721 * Dummy ioctl set handler so the linker set is defined. 2722 */ 2723 static int 2724 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2725 { 2726 return ENOSYS; 2727 } 2728 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2729 2730 static int 2731 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2732 { 2733 ieee80211_ioctl_setfunc * const *set; 2734 int error; 2735 2736 SET_FOREACH(set, ieee80211_ioctl_setset) { 2737 error = (*set)(vap, ireq); 2738 if (error != ENOSYS) 2739 return error; 2740 } 2741 return EINVAL; 2742 } 2743 2744 static int 2745 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2746 { 2747 struct ieee80211com *ic = vap->iv_ic; 2748 int error; 2749 const struct ieee80211_authenticator *auth; 2750 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2751 char tmpssid[IEEE80211_NWID_LEN]; 2752 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2753 struct ieee80211_key *k; 2754 u_int kid; 2755 uint32_t flags; 2756 2757 error = 0; 2758 switch (ireq->i_type) { 2759 case IEEE80211_IOC_SSID: 2760 if (ireq->i_val != 0 || 2761 ireq->i_len > IEEE80211_NWID_LEN) 2762 return EINVAL; 2763 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2764 if (error) 2765 break; 2766 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2767 vap->iv_des_ssid[0].len = ireq->i_len; 2768 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2769 vap->iv_des_nssid = (ireq->i_len > 0); 2770 error = ENETRESET; 2771 break; 2772 case IEEE80211_IOC_WEP: 2773 switch (ireq->i_val) { 2774 case IEEE80211_WEP_OFF: 2775 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2776 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2777 break; 2778 case IEEE80211_WEP_ON: 2779 vap->iv_flags |= IEEE80211_F_PRIVACY; 2780 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2781 break; 2782 case IEEE80211_WEP_MIXED: 2783 vap->iv_flags |= IEEE80211_F_PRIVACY; 2784 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2785 break; 2786 } 2787 error = ENETRESET; 2788 break; 2789 case IEEE80211_IOC_WEPKEY: 2790 kid = (u_int) ireq->i_val; 2791 if (kid >= IEEE80211_WEP_NKID) 2792 return EINVAL; 2793 k = &vap->iv_nw_keys[kid]; 2794 if (ireq->i_len == 0) { 2795 /* zero-len =>'s delete any existing key */ 2796 (void) ieee80211_crypto_delkey(vap, k); 2797 break; 2798 } 2799 if (ireq->i_len > sizeof(tmpkey)) 2800 return EINVAL; 2801 memset(tmpkey, 0, sizeof(tmpkey)); 2802 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2803 if (error) 2804 break; 2805 ieee80211_key_update_begin(vap); 2806 k->wk_keyix = kid; /* NB: force fixed key id */ 2807 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2808 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2809 k->wk_keylen = ireq->i_len; 2810 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2811 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2812 if (!ieee80211_crypto_setkey(vap, k)) 2813 error = EINVAL; 2814 } else 2815 error = EINVAL; 2816 ieee80211_key_update_end(vap); 2817 break; 2818 case IEEE80211_IOC_WEPTXKEY: 2819 kid = (u_int) ireq->i_val; 2820 if (kid >= IEEE80211_WEP_NKID && 2821 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2822 return EINVAL; 2823 /* 2824 * Firmware devices may need to be told about an explicit 2825 * key index here, versus just inferring it from the 2826 * key set / change. Since we may also need to pause 2827 * things like transmit before the key is updated, 2828 * give the driver a chance to flush things by tying 2829 * into key update begin/end. 2830 */ 2831 ieee80211_key_update_begin(vap); 2832 ieee80211_crypto_set_deftxkey(vap, kid); 2833 ieee80211_key_update_end(vap); 2834 break; 2835 case IEEE80211_IOC_AUTHMODE: 2836 switch (ireq->i_val) { 2837 case IEEE80211_AUTH_WPA: 2838 case IEEE80211_AUTH_8021X: /* 802.1x */ 2839 case IEEE80211_AUTH_OPEN: /* open */ 2840 case IEEE80211_AUTH_SHARED: /* shared-key */ 2841 case IEEE80211_AUTH_AUTO: /* auto */ 2842 auth = ieee80211_authenticator_get(ireq->i_val); 2843 if (auth == NULL) 2844 return EINVAL; 2845 break; 2846 default: 2847 return EINVAL; 2848 } 2849 switch (ireq->i_val) { 2850 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2851 vap->iv_flags |= IEEE80211_F_PRIVACY; 2852 ireq->i_val = IEEE80211_AUTH_8021X; 2853 break; 2854 case IEEE80211_AUTH_OPEN: /* open */ 2855 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2856 break; 2857 case IEEE80211_AUTH_SHARED: /* shared-key */ 2858 case IEEE80211_AUTH_8021X: /* 802.1x */ 2859 vap->iv_flags &= ~IEEE80211_F_WPA; 2860 /* both require a key so mark the PRIVACY capability */ 2861 vap->iv_flags |= IEEE80211_F_PRIVACY; 2862 break; 2863 case IEEE80211_AUTH_AUTO: /* auto */ 2864 vap->iv_flags &= ~IEEE80211_F_WPA; 2865 /* XXX PRIVACY handling? */ 2866 /* XXX what's the right way to do this? */ 2867 break; 2868 } 2869 /* NB: authenticator attach/detach happens on state change */ 2870 vap->iv_bss->ni_authmode = ireq->i_val; 2871 /* XXX mixed/mode/usage? */ 2872 vap->iv_auth = auth; 2873 error = ENETRESET; 2874 break; 2875 case IEEE80211_IOC_CHANNEL: 2876 error = ieee80211_ioctl_setchannel(vap, ireq); 2877 break; 2878 case IEEE80211_IOC_POWERSAVE: 2879 switch (ireq->i_val) { 2880 case IEEE80211_POWERSAVE_OFF: 2881 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2882 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2883 error = ERESTART; 2884 } 2885 break; 2886 case IEEE80211_POWERSAVE_ON: 2887 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2888 error = EOPNOTSUPP; 2889 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2890 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2891 error = ERESTART; 2892 } 2893 break; 2894 default: 2895 error = EINVAL; 2896 break; 2897 } 2898 break; 2899 case IEEE80211_IOC_POWERSAVESLEEP: 2900 if (ireq->i_val < 0) 2901 return EINVAL; 2902 ic->ic_lintval = ireq->i_val; 2903 error = ERESTART; 2904 break; 2905 case IEEE80211_IOC_RTSTHRESHOLD: 2906 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2907 ireq->i_val <= IEEE80211_RTS_MAX)) 2908 return EINVAL; 2909 vap->iv_rtsthreshold = ireq->i_val; 2910 error = ERESTART; 2911 break; 2912 case IEEE80211_IOC_PROTMODE: 2913 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2914 return EINVAL; 2915 vap->iv_protmode = (enum ieee80211_protmode)ireq->i_val; 2916 /* NB: if not operating in 11g this can wait */ 2917 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2918 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2919 error = ERESTART; 2920 /* driver callback for protection mode update */ 2921 ieee80211_vap_update_erp_protmode(vap); 2922 break; 2923 case IEEE80211_IOC_TXPOWER: 2924 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2925 return EOPNOTSUPP; 2926 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2927 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2928 return EINVAL; 2929 ic->ic_txpowlimit = ireq->i_val; 2930 error = ERESTART; 2931 break; 2932 case IEEE80211_IOC_ROAMING: 2933 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2934 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2935 return EINVAL; 2936 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2937 /* XXXX reset? */ 2938 break; 2939 case IEEE80211_IOC_PRIVACY: 2940 if (ireq->i_val) { 2941 /* XXX check for key state? */ 2942 vap->iv_flags |= IEEE80211_F_PRIVACY; 2943 } else 2944 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2945 /* XXX ERESTART? */ 2946 break; 2947 case IEEE80211_IOC_DROPUNENCRYPTED: 2948 if (ireq->i_val) 2949 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2950 else 2951 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2952 /* XXX ERESTART? */ 2953 break; 2954 case IEEE80211_IOC_WPAKEY: 2955 error = ieee80211_ioctl_setkey(vap, ireq); 2956 break; 2957 case IEEE80211_IOC_DELKEY: 2958 error = ieee80211_ioctl_delkey(vap, ireq); 2959 break; 2960 case IEEE80211_IOC_MLME: 2961 error = ieee80211_ioctl_setmlme(vap, ireq); 2962 break; 2963 case IEEE80211_IOC_COUNTERMEASURES: 2964 if (ireq->i_val) { 2965 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2966 return EOPNOTSUPP; 2967 vap->iv_flags |= IEEE80211_F_COUNTERM; 2968 } else 2969 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2970 /* XXX ERESTART? */ 2971 break; 2972 case IEEE80211_IOC_WPA: 2973 if (ireq->i_val > 3) 2974 return EINVAL; 2975 /* XXX verify ciphers available */ 2976 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2977 switch (ireq->i_val) { 2978 case 0: 2979 /* wpa_supplicant calls this to clear the WPA config */ 2980 break; 2981 case 1: 2982 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2983 return EOPNOTSUPP; 2984 flags |= IEEE80211_F_WPA1; 2985 break; 2986 case 2: 2987 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2988 return EOPNOTSUPP; 2989 flags |= IEEE80211_F_WPA2; 2990 break; 2991 case 3: 2992 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2993 return EOPNOTSUPP; 2994 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2995 break; 2996 default: /* Can't set any -> error */ 2997 return EOPNOTSUPP; 2998 } 2999 vap->iv_flags = flags; 3000 error = ERESTART; /* NB: can change beacon frame */ 3001 break; 3002 case IEEE80211_IOC_WME: 3003 if (ireq->i_val) { 3004 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 3005 return EOPNOTSUPP; 3006 ieee80211_syncflag(vap, IEEE80211_F_WME); 3007 } else 3008 ieee80211_syncflag(vap, -IEEE80211_F_WME); 3009 error = ERESTART; /* NB: can change beacon frame */ 3010 break; 3011 case IEEE80211_IOC_HIDESSID: 3012 if (ireq->i_val) 3013 vap->iv_flags |= IEEE80211_F_HIDESSID; 3014 else 3015 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 3016 error = ERESTART; /* XXX ENETRESET? */ 3017 break; 3018 case IEEE80211_IOC_APBRIDGE: 3019 if (ireq->i_val == 0) 3020 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 3021 else 3022 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 3023 break; 3024 case IEEE80211_IOC_BSSID: 3025 if (ireq->i_len != sizeof(tmpbssid)) 3026 return EINVAL; 3027 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 3028 if (error) 3029 break; 3030 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 3031 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 3032 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 3033 else 3034 vap->iv_flags |= IEEE80211_F_DESBSSID; 3035 error = ENETRESET; 3036 break; 3037 case IEEE80211_IOC_CHANLIST: 3038 error = ieee80211_ioctl_setchanlist(vap, ireq); 3039 break; 3040 #define OLD_IEEE80211_IOC_SCAN_REQ 23 3041 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 3042 case OLD_IEEE80211_IOC_SCAN_REQ: 3043 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3044 "%s: active scan request\n", __func__); 3045 /* 3046 * If we are in INIT state then the driver has never 3047 * had a chance to setup hardware state to do a scan; 3048 * use the state machine to get us up the SCAN state. 3049 * Otherwise just invoke the scan machinery to start 3050 * a one-time scan. 3051 */ 3052 if (vap->iv_state == IEEE80211_S_INIT) 3053 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 3054 else 3055 (void) ieee80211_start_scan(vap, 3056 IEEE80211_SCAN_ACTIVE | 3057 IEEE80211_SCAN_NOPICK | 3058 IEEE80211_SCAN_ONCE, 3059 IEEE80211_SCAN_FOREVER, 0, 0, 3060 /* XXX use ioctl params */ 3061 vap->iv_des_nssid, vap->iv_des_ssid); 3062 break; 3063 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 3064 case IEEE80211_IOC_SCAN_REQ: 3065 error = ieee80211_ioctl_scanreq(vap, ireq); 3066 break; 3067 case IEEE80211_IOC_SCAN_CANCEL: 3068 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3069 "%s: cancel scan\n", __func__); 3070 ieee80211_cancel_scan(vap); 3071 break; 3072 case IEEE80211_IOC_HTCONF: 3073 if (ireq->i_val & 1) 3074 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 3075 else 3076 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 3077 if (ireq->i_val & 2) 3078 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 3079 else 3080 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 3081 error = ENETRESET; 3082 break; 3083 case IEEE80211_IOC_ADDMAC: 3084 case IEEE80211_IOC_DELMAC: 3085 error = ieee80211_ioctl_macmac(vap, ireq); 3086 break; 3087 case IEEE80211_IOC_MACCMD: 3088 error = ieee80211_ioctl_setmaccmd(vap, ireq); 3089 break; 3090 case IEEE80211_IOC_STA_STATS: 3091 error = ieee80211_ioctl_setstastats(vap, ireq); 3092 break; 3093 case IEEE80211_IOC_STA_TXPOW: 3094 error = ieee80211_ioctl_setstatxpow(vap, ireq); 3095 break; 3096 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 3097 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 3098 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 3099 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 3100 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 3101 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 3102 error = ieee80211_ioctl_setwmeparam(vap, ireq); 3103 break; 3104 case IEEE80211_IOC_DTIM_PERIOD: 3105 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3106 vap->iv_opmode != IEEE80211_M_MBSS && 3107 vap->iv_opmode != IEEE80211_M_IBSS) 3108 return EINVAL; 3109 if (IEEE80211_DTIM_MIN <= ireq->i_val && 3110 ireq->i_val <= IEEE80211_DTIM_MAX) { 3111 vap->iv_dtim_period = ireq->i_val; 3112 error = ENETRESET; /* requires restart */ 3113 } else 3114 error = EINVAL; 3115 break; 3116 case IEEE80211_IOC_BEACON_INTERVAL: 3117 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3118 vap->iv_opmode != IEEE80211_M_MBSS && 3119 vap->iv_opmode != IEEE80211_M_IBSS) 3120 return EINVAL; 3121 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 3122 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 3123 ic->ic_bintval = ireq->i_val; 3124 error = ENETRESET; /* requires restart */ 3125 } else 3126 error = EINVAL; 3127 break; 3128 case IEEE80211_IOC_PUREG: 3129 if (ireq->i_val) 3130 vap->iv_flags |= IEEE80211_F_PUREG; 3131 else 3132 vap->iv_flags &= ~IEEE80211_F_PUREG; 3133 /* NB: reset only if we're operating on an 11g channel */ 3134 if (isvap11g(vap)) 3135 error = ENETRESET; 3136 break; 3137 case IEEE80211_IOC_QUIET: 3138 vap->iv_quiet= ireq->i_val; 3139 break; 3140 case IEEE80211_IOC_QUIET_COUNT: 3141 vap->iv_quiet_count=ireq->i_val; 3142 break; 3143 case IEEE80211_IOC_QUIET_PERIOD: 3144 vap->iv_quiet_period=ireq->i_val; 3145 break; 3146 case IEEE80211_IOC_QUIET_OFFSET: 3147 vap->iv_quiet_offset=ireq->i_val; 3148 break; 3149 case IEEE80211_IOC_QUIET_DUR: 3150 if(ireq->i_val < vap->iv_bss->ni_intval) 3151 vap->iv_quiet_duration = ireq->i_val; 3152 else 3153 error = EINVAL; 3154 break; 3155 case IEEE80211_IOC_BGSCAN: 3156 if (ireq->i_val) { 3157 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3158 return EOPNOTSUPP; 3159 vap->iv_flags |= IEEE80211_F_BGSCAN; 3160 } else 3161 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3162 break; 3163 case IEEE80211_IOC_BGSCAN_IDLE: 3164 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3165 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3166 else 3167 error = EINVAL; 3168 break; 3169 case IEEE80211_IOC_BGSCAN_INTERVAL: 3170 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3171 vap->iv_bgscanintvl = ireq->i_val*hz; 3172 else 3173 error = EINVAL; 3174 break; 3175 case IEEE80211_IOC_SCANVALID: 3176 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3177 vap->iv_scanvalid = ireq->i_val*hz; 3178 else 3179 error = EINVAL; 3180 break; 3181 case IEEE80211_IOC_FRAGTHRESHOLD: 3182 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3183 ireq->i_val != IEEE80211_FRAG_MAX) 3184 return EOPNOTSUPP; 3185 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3186 ireq->i_val <= IEEE80211_FRAG_MAX)) 3187 return EINVAL; 3188 vap->iv_fragthreshold = ireq->i_val; 3189 error = ERESTART; 3190 break; 3191 case IEEE80211_IOC_BURST: 3192 if (ireq->i_val) { 3193 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3194 return EOPNOTSUPP; 3195 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3196 } else 3197 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3198 error = ERESTART; 3199 break; 3200 case IEEE80211_IOC_BMISSTHRESHOLD: 3201 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3202 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3203 return EINVAL; 3204 vap->iv_bmissthreshold = ireq->i_val; 3205 error = ERESTART; 3206 break; 3207 case IEEE80211_IOC_CURCHAN: 3208 error = ieee80211_ioctl_setcurchan(vap, ireq); 3209 break; 3210 case IEEE80211_IOC_SHORTGI: 3211 if (ireq->i_val) { 3212 #define IEEE80211_HTCAP_SHORTGI \ 3213 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3214 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3215 return EINVAL; 3216 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3217 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3218 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3219 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3220 #undef IEEE80211_HTCAP_SHORTGI 3221 } else 3222 vap->iv_flags_ht &= 3223 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3224 error = ERESTART; 3225 break; 3226 case IEEE80211_IOC_AMPDU: 3227 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3228 return EINVAL; 3229 if (ireq->i_val & 1) 3230 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3231 else 3232 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3233 if (ireq->i_val & 2) 3234 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3235 else 3236 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3237 /* NB: reset only if we're operating on an 11n channel */ 3238 if (isvapht(vap)) 3239 error = ERESTART; 3240 break; 3241 case IEEE80211_IOC_AMPDU_LIMIT: 3242 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */ 3243 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3244 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3245 return EINVAL; 3246 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3247 vap->iv_ampdu_rxmax = ireq->i_val; 3248 else 3249 vap->iv_ampdu_limit = ireq->i_val; 3250 error = ERESTART; 3251 break; 3252 case IEEE80211_IOC_AMPDU_DENSITY: 3253 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3254 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3255 return EINVAL; 3256 vap->iv_ampdu_density = ireq->i_val; 3257 error = ERESTART; 3258 break; 3259 case IEEE80211_IOC_AMSDU: 3260 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3261 return EINVAL; 3262 if (ireq->i_val & 1) 3263 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3264 else 3265 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3266 if (ireq->i_val & 2) 3267 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3268 else 3269 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3270 /* NB: reset only if we're operating on an 11n channel */ 3271 if (isvapht(vap)) 3272 error = ERESTART; 3273 break; 3274 case IEEE80211_IOC_AMSDU_LIMIT: 3275 /* XXX validate */ 3276 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3277 break; 3278 case IEEE80211_IOC_PUREN: 3279 if (ireq->i_val) { 3280 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3281 return EINVAL; 3282 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3283 } else 3284 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3285 /* NB: reset only if we're operating on an 11n channel */ 3286 if (isvapht(vap)) 3287 error = ERESTART; 3288 break; 3289 case IEEE80211_IOC_DOTH: 3290 if (ireq->i_val) { 3291 #if 0 3292 /* XXX no capability */ 3293 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3294 return EOPNOTSUPP; 3295 #endif 3296 vap->iv_flags |= IEEE80211_F_DOTH; 3297 } else 3298 vap->iv_flags &= ~IEEE80211_F_DOTH; 3299 error = ENETRESET; 3300 break; 3301 case IEEE80211_IOC_REGDOMAIN: 3302 error = ieee80211_ioctl_setregdomain(vap, ireq); 3303 break; 3304 case IEEE80211_IOC_ROAM: 3305 error = ieee80211_ioctl_setroam(vap, ireq); 3306 break; 3307 case IEEE80211_IOC_TXPARAMS: 3308 error = ieee80211_ioctl_settxparams(vap, ireq); 3309 break; 3310 case IEEE80211_IOC_HTCOMPAT: 3311 if (ireq->i_val) { 3312 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3313 return EOPNOTSUPP; 3314 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3315 } else 3316 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3317 /* NB: reset only if we're operating on an 11n channel */ 3318 if (isvapht(vap)) 3319 error = ERESTART; 3320 break; 3321 case IEEE80211_IOC_DWDS: 3322 if (ireq->i_val) { 3323 /* NB: DWDS only makes sense for WDS-capable devices */ 3324 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3325 return EOPNOTSUPP; 3326 /* NB: DWDS is used only with ap+sta vaps */ 3327 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3328 vap->iv_opmode != IEEE80211_M_STA) 3329 return EINVAL; 3330 vap->iv_flags |= IEEE80211_F_DWDS; 3331 if (vap->iv_opmode == IEEE80211_M_STA) 3332 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3333 } else { 3334 vap->iv_flags &= ~IEEE80211_F_DWDS; 3335 if (vap->iv_opmode == IEEE80211_M_STA) 3336 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3337 } 3338 break; 3339 case IEEE80211_IOC_INACTIVITY: 3340 if (ireq->i_val) 3341 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3342 else 3343 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3344 break; 3345 case IEEE80211_IOC_APPIE: 3346 error = ieee80211_ioctl_setappie(vap, ireq); 3347 break; 3348 case IEEE80211_IOC_WPS: 3349 if (ireq->i_val) { 3350 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3351 return EOPNOTSUPP; 3352 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3353 } else 3354 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3355 break; 3356 case IEEE80211_IOC_TSN: 3357 if (ireq->i_val) { 3358 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3359 return EOPNOTSUPP; 3360 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3361 } else 3362 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3363 break; 3364 case IEEE80211_IOC_CHANSWITCH: 3365 error = ieee80211_ioctl_chanswitch(vap, ireq); 3366 break; 3367 case IEEE80211_IOC_DFS: 3368 if (ireq->i_val) { 3369 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3370 return EOPNOTSUPP; 3371 /* NB: DFS requires 11h support */ 3372 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3373 return EINVAL; 3374 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3375 } else 3376 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3377 break; 3378 case IEEE80211_IOC_DOTD: 3379 if (ireq->i_val) 3380 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3381 else 3382 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3383 if (vap->iv_opmode == IEEE80211_M_STA) 3384 error = ENETRESET; 3385 break; 3386 case IEEE80211_IOC_HTPROTMODE: 3387 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3388 return EINVAL; 3389 vap->iv_htprotmode = ireq->i_val ? 3390 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3391 /* NB: if not operating in 11n this can wait */ 3392 if (isvapht(vap)) 3393 error = ERESTART; 3394 /* Notify driver layer of HT protmode changes */ 3395 ieee80211_vap_update_ht_protmode(vap); 3396 break; 3397 case IEEE80211_IOC_STA_VLAN: 3398 error = ieee80211_ioctl_setstavlan(vap, ireq); 3399 break; 3400 case IEEE80211_IOC_SMPS: 3401 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3402 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3403 return EINVAL; 3404 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3405 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3406 return EOPNOTSUPP; 3407 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3408 ireq->i_val; 3409 /* NB: if not operating in 11n this can wait */ 3410 if (isvapht(vap)) 3411 error = ERESTART; 3412 break; 3413 case IEEE80211_IOC_RIFS: 3414 if (ireq->i_val != 0) { 3415 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3416 return EOPNOTSUPP; 3417 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3418 } else 3419 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3420 /* NB: if not operating in 11n this can wait */ 3421 if (isvapht(vap)) 3422 error = ERESTART; 3423 break; 3424 case IEEE80211_IOC_STBC: 3425 /* Check if we can do STBC TX/RX before changing the setting */ 3426 if ((ireq->i_val & 1) && 3427 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0)) 3428 return EOPNOTSUPP; 3429 if ((ireq->i_val & 2) && 3430 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0)) 3431 return EOPNOTSUPP; 3432 3433 /* TX */ 3434 if (ireq->i_val & 1) 3435 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX; 3436 else 3437 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX; 3438 3439 /* RX */ 3440 if (ireq->i_val & 2) 3441 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX; 3442 else 3443 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX; 3444 3445 /* NB: reset only if we're operating on an 11n channel */ 3446 if (isvapht(vap)) 3447 error = ERESTART; 3448 break; 3449 case IEEE80211_IOC_LDPC: 3450 /* Check if we can do LDPC TX/RX before changing the setting */ 3451 if ((ireq->i_val & 1) && 3452 (vap->iv_htcaps & IEEE80211_HTC_TXLDPC) == 0) 3453 return EOPNOTSUPP; 3454 if ((ireq->i_val & 2) && 3455 (vap->iv_htcaps & IEEE80211_HTCAP_LDPC) == 0) 3456 return EOPNOTSUPP; 3457 3458 /* TX */ 3459 if (ireq->i_val & 1) 3460 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX; 3461 else 3462 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_TX; 3463 3464 /* RX */ 3465 if (ireq->i_val & 2) 3466 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX; 3467 else 3468 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_RX; 3469 3470 /* NB: reset only if we're operating on an 11n channel */ 3471 if (isvapht(vap)) 3472 error = ERESTART; 3473 break; 3474 case IEEE80211_IOC_UAPSD: 3475 if ((vap->iv_caps & IEEE80211_C_UAPSD) == 0) 3476 return EOPNOTSUPP; 3477 if (ireq->i_val == 0) 3478 vap->iv_flags_ext &= ~IEEE80211_FEXT_UAPSD; 3479 else if (ireq->i_val == 1) 3480 vap->iv_flags_ext |= IEEE80211_FEXT_UAPSD; 3481 else 3482 return EINVAL; 3483 break; 3484 3485 /* VHT */ 3486 case IEEE80211_IOC_VHTCONF: 3487 if (ireq->i_val & 1) 3488 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_VHT); 3489 else 3490 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_VHT); 3491 3492 if (ireq->i_val & 2) 3493 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT40); 3494 else 3495 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT40); 3496 3497 if (ireq->i_val & 4) 3498 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80); 3499 else 3500 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80); 3501 3502 if (ireq->i_val & 8) 3503 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80P80); 3504 else 3505 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80P80); 3506 3507 if (ireq->i_val & 16) 3508 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT160); 3509 else 3510 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT160); 3511 3512 error = ENETRESET; 3513 break; 3514 3515 default: 3516 error = ieee80211_ioctl_setdefault(vap, ireq); 3517 break; 3518 } 3519 /* 3520 * The convention is that ENETRESET means an operation 3521 * requires a complete re-initialization of the device (e.g. 3522 * changing something that affects the association state). 3523 * ERESTART means the request may be handled with only a 3524 * reload of the hardware state. We hand ERESTART requests 3525 * to the iv_reset callback so the driver can decide. If 3526 * a device does not fillin iv_reset then it defaults to one 3527 * that returns ENETRESET. Otherwise a driver may return 3528 * ENETRESET (in which case a full reset will be done) or 3529 * 0 to mean there's no need to do anything (e.g. when the 3530 * change has no effect on the driver/device). 3531 */ 3532 if (error == ERESTART) 3533 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3534 vap->iv_reset(vap, ireq->i_type) : 0; 3535 if (error == ENETRESET) { 3536 /* XXX need to re-think AUTO handling */ 3537 if (IS_UP_AUTO(vap)) 3538 ieee80211_init(vap); 3539 error = 0; 3540 } 3541 return error; 3542 } 3543 3544 int 3545 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3546 { 3547 struct ieee80211vap *vap = ifp->if_softc; 3548 struct ieee80211com *ic = vap->iv_ic; 3549 int error = 0, wait = 0, ic_used; 3550 struct ifreq *ifr; 3551 struct ifaddr *ifa; /* XXX */ 3552 3553 ic_used = (cmd != SIOCSIFMTU && cmd != SIOCG80211STATS); 3554 if (ic_used && (error = ieee80211_com_vincref(vap)) != 0) 3555 return (error); 3556 3557 switch (cmd) { 3558 case SIOCSIFFLAGS: 3559 IEEE80211_LOCK(ic); 3560 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) { 3561 /* 3562 * Enable promiscuous mode when: 3563 * 1. Interface is not a member of bridge, or 3564 * 2. Requested by user, or 3565 * 3. In monitor (or adhoc-demo) mode. 3566 */ 3567 if (ifp->if_bridge == NULL || 3568 (ifp->if_flags & IFF_PPROMISC) != 0 || 3569 vap->iv_opmode == IEEE80211_M_MONITOR || 3570 (vap->iv_opmode == IEEE80211_M_AHDEMO && 3571 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) { 3572 ieee80211_promisc(vap, 3573 ifp->if_flags & IFF_PROMISC); 3574 vap->iv_ifflags ^= IFF_PROMISC; 3575 } 3576 } 3577 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) { 3578 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3579 vap->iv_ifflags ^= IFF_ALLMULTI; 3580 } 3581 if (ifp->if_flags & IFF_UP) { 3582 /* 3583 * Bring ourself up unless we're already operational. 3584 * If we're the first vap and the parent is not up 3585 * then it will automatically be brought up as a 3586 * side-effect of bringing ourself up. 3587 */ 3588 if (vap->iv_state == IEEE80211_S_INIT) { 3589 if (ic->ic_nrunning == 0) 3590 wait = 1; 3591 ieee80211_start_locked(vap); 3592 } 3593 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3594 /* 3595 * Stop ourself. If we are the last vap to be 3596 * marked down the parent will also be taken down. 3597 */ 3598 if (ic->ic_nrunning == 1) 3599 wait = 1; 3600 ieee80211_stop_locked(vap); 3601 } 3602 IEEE80211_UNLOCK(ic); 3603 /* Wait for parent ioctl handler if it was queued */ 3604 if (wait) { 3605 struct epoch_tracker et; 3606 3607 ieee80211_waitfor_parent(ic); 3608 3609 /* 3610 * Check if the MAC address was changed 3611 * via SIOCSIFLLADDR ioctl. 3612 * 3613 * NB: device may be detached during initialization; 3614 * use if_ioctl for existence check. 3615 */ 3616 NET_EPOCH_ENTER(et); 3617 if (ifp->if_ioctl == ieee80211_ioctl && 3618 (ifp->if_flags & IFF_UP) == 0 && 3619 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp))) 3620 IEEE80211_ADDR_COPY(vap->iv_myaddr, 3621 IF_LLADDR(ifp)); 3622 NET_EPOCH_EXIT(et); 3623 } 3624 break; 3625 case SIOCADDMULTI: 3626 case SIOCDELMULTI: 3627 ieee80211_runtask(ic, &ic->ic_mcast_task); 3628 break; 3629 case SIOCSIFMEDIA: 3630 case SIOCGIFMEDIA: 3631 ifr = (struct ifreq *)data; 3632 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3633 break; 3634 case SIOCG80211: 3635 error = ieee80211_ioctl_get80211(vap, cmd, 3636 (struct ieee80211req *) data); 3637 break; 3638 case SIOCS80211: 3639 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3640 if (error == 0) 3641 error = ieee80211_ioctl_set80211(vap, cmd, 3642 (struct ieee80211req *) data); 3643 break; 3644 case SIOCG80211STATS: 3645 ifr = (struct ifreq *)data; 3646 copyout(&vap->iv_stats, ifr_data_get_ptr(ifr), 3647 sizeof (vap->iv_stats)); 3648 break; 3649 case SIOCSIFMTU: 3650 ifr = (struct ifreq *)data; 3651 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3652 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3653 error = EINVAL; 3654 else 3655 ifp->if_mtu = ifr->ifr_mtu; 3656 break; 3657 case SIOCSIFADDR: 3658 /* 3659 * XXX Handle this directly so we can suppress if_init calls. 3660 * XXX This should be done in ether_ioctl but for the moment 3661 * XXX there are too many other parts of the system that 3662 * XXX set IFF_UP and so suppress if_init being called when 3663 * XXX it should be. 3664 */ 3665 ifa = (struct ifaddr *) data; 3666 switch (ifa->ifa_addr->sa_family) { 3667 #ifdef INET 3668 case AF_INET: 3669 if ((ifp->if_flags & IFF_UP) == 0) { 3670 ifp->if_flags |= IFF_UP; 3671 ifp->if_init(ifp->if_softc); 3672 } 3673 arp_ifinit(ifp, ifa); 3674 break; 3675 #endif 3676 default: 3677 if ((ifp->if_flags & IFF_UP) == 0) { 3678 ifp->if_flags |= IFF_UP; 3679 ifp->if_init(ifp->if_softc); 3680 } 3681 break; 3682 } 3683 break; 3684 default: 3685 /* 3686 * Pass unknown ioctls first to the driver, and if it 3687 * returns ENOTTY, then to the generic Ethernet handler. 3688 */ 3689 if (ic->ic_ioctl != NULL && 3690 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3691 break; 3692 error = ether_ioctl(ifp, cmd, data); 3693 break; 3694 } 3695 3696 if (ic_used) 3697 ieee80211_com_vdecref(vap); 3698 3699 return (error); 3700 } 3701