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/socket.h> 44 #include <sys/sockio.h> 45 #include <sys/systm.h> 46 47 #include <net/if.h> 48 #include <net/if_var.h> 49 #include <net/if_dl.h> 50 #include <net/if_media.h> 51 #include <net/ethernet.h> 52 53 #ifdef INET 54 #include <netinet/in.h> 55 #include <netinet/if_ether.h> 56 #endif 57 58 #include <net80211/ieee80211_var.h> 59 #include <net80211/ieee80211_ioctl.h> 60 #include <net80211/ieee80211_regdomain.h> 61 #include <net80211/ieee80211_input.h> 62 63 #define IS_UP_AUTO(_vap) \ 64 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 65 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 66 67 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 68 static struct ieee80211_channel *findchannel(struct ieee80211com *, 69 int ieee, int mode); 70 static int ieee80211_scanreq(struct ieee80211vap *, 71 struct ieee80211_scan_req *); 72 73 static int 74 ieee80211_ioctl_getkey(u_long cmd, struct ieee80211vap *vap, 75 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 (ieee80211_priv_check_vap_getkey(cmd, vap, NULL) == 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 IEEE80211_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 IEEE80211_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 struct ieee80211com *ic = vap->iv_ic; 780 u_int kid, len; 781 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 782 char tmpssid[IEEE80211_NWID_LEN]; 783 int error = 0; 784 785 switch (ireq->i_type) { 786 case IEEE80211_IOC_IC_NAME: 787 len = strlen(ic->ic_name) + 1; 788 if (len > ireq->i_len) 789 return (EINVAL); 790 ireq->i_len = len; 791 error = copyout(ic->ic_name, ireq->i_data, ireq->i_len); 792 break; 793 case IEEE80211_IOC_SSID: 794 switch (vap->iv_state) { 795 case IEEE80211_S_INIT: 796 case IEEE80211_S_SCAN: 797 ireq->i_len = vap->iv_des_ssid[0].len; 798 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 799 break; 800 default: 801 ireq->i_len = vap->iv_bss->ni_esslen; 802 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 803 break; 804 } 805 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 806 break; 807 case IEEE80211_IOC_NUMSSIDS: 808 ireq->i_val = 1; 809 break; 810 case IEEE80211_IOC_WEP: 811 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 812 ireq->i_val = IEEE80211_WEP_OFF; 813 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 814 ireq->i_val = IEEE80211_WEP_ON; 815 else 816 ireq->i_val = IEEE80211_WEP_MIXED; 817 break; 818 case IEEE80211_IOC_WEPKEY: 819 kid = (u_int) ireq->i_val; 820 if (kid >= IEEE80211_WEP_NKID) 821 return EINVAL; 822 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 823 /* NB: only root can read WEP keys */ 824 if (ieee80211_priv_check_vap_getkey(cmd, vap, NULL) == 0) { 825 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 826 } else { 827 bzero(tmpkey, len); 828 } 829 ireq->i_len = len; 830 error = copyout(tmpkey, ireq->i_data, len); 831 break; 832 case IEEE80211_IOC_NUMWEPKEYS: 833 ireq->i_val = IEEE80211_WEP_NKID; 834 break; 835 case IEEE80211_IOC_WEPTXKEY: 836 ireq->i_val = vap->iv_def_txkey; 837 break; 838 case IEEE80211_IOC_AUTHMODE: 839 if (vap->iv_flags & IEEE80211_F_WPA) 840 ireq->i_val = IEEE80211_AUTH_WPA; 841 else 842 ireq->i_val = vap->iv_bss->ni_authmode; 843 break; 844 case IEEE80211_IOC_CHANNEL: 845 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 846 break; 847 case IEEE80211_IOC_POWERSAVE: 848 if (vap->iv_flags & IEEE80211_F_PMGTON) 849 ireq->i_val = IEEE80211_POWERSAVE_ON; 850 else 851 ireq->i_val = IEEE80211_POWERSAVE_OFF; 852 break; 853 case IEEE80211_IOC_POWERSAVESLEEP: 854 ireq->i_val = ic->ic_lintval; 855 break; 856 case IEEE80211_IOC_RTSTHRESHOLD: 857 ireq->i_val = vap->iv_rtsthreshold; 858 break; 859 case IEEE80211_IOC_PROTMODE: 860 ireq->i_val = vap->iv_protmode; 861 break; 862 case IEEE80211_IOC_TXPOWER: 863 /* 864 * Tx power limit is the min of max regulatory 865 * power, any user-set limit, and the max the 866 * radio can do. 867 * 868 * TODO: methodize this 869 */ 870 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 871 if (ireq->i_val > ic->ic_txpowlimit) 872 ireq->i_val = ic->ic_txpowlimit; 873 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 874 ireq->i_val = ic->ic_curchan->ic_maxpower; 875 break; 876 case IEEE80211_IOC_WPA: 877 switch (vap->iv_flags & IEEE80211_F_WPA) { 878 case IEEE80211_F_WPA1: 879 ireq->i_val = 1; 880 break; 881 case IEEE80211_F_WPA2: 882 ireq->i_val = 2; 883 break; 884 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 885 ireq->i_val = 3; 886 break; 887 default: 888 ireq->i_val = 0; 889 break; 890 } 891 break; 892 case IEEE80211_IOC_CHANLIST: 893 error = ieee80211_ioctl_getchanlist(vap, ireq); 894 break; 895 case IEEE80211_IOC_ROAMING: 896 ireq->i_val = vap->iv_roaming; 897 break; 898 case IEEE80211_IOC_PRIVACY: 899 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 900 break; 901 case IEEE80211_IOC_DROPUNENCRYPTED: 902 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 903 break; 904 case IEEE80211_IOC_COUNTERMEASURES: 905 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 906 break; 907 case IEEE80211_IOC_WME: 908 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 909 break; 910 case IEEE80211_IOC_HIDESSID: 911 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 912 break; 913 case IEEE80211_IOC_APBRIDGE: 914 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 915 break; 916 case IEEE80211_IOC_WPAKEY: 917 error = ieee80211_ioctl_getkey(cmd, vap, ireq); 918 break; 919 case IEEE80211_IOC_CHANINFO: 920 error = ieee80211_ioctl_getchaninfo(vap, ireq); 921 break; 922 case IEEE80211_IOC_BSSID: 923 if (ireq->i_len != IEEE80211_ADDR_LEN) 924 return EINVAL; 925 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 926 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 927 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 928 ireq->i_data, ireq->i_len); 929 } else 930 error = copyout(vap->iv_des_bssid, ireq->i_data, 931 ireq->i_len); 932 break; 933 case IEEE80211_IOC_WPAIE: 934 case IEEE80211_IOC_WPAIE2: 935 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 936 break; 937 case IEEE80211_IOC_SCAN_RESULTS: 938 error = ieee80211_ioctl_getscanresults(vap, ireq); 939 break; 940 case IEEE80211_IOC_STA_STATS: 941 error = ieee80211_ioctl_getstastats(vap, ireq); 942 break; 943 case IEEE80211_IOC_TXPOWMAX: 944 ireq->i_val = vap->iv_bss->ni_txpower; 945 break; 946 case IEEE80211_IOC_STA_TXPOW: 947 error = ieee80211_ioctl_getstatxpow(vap, ireq); 948 break; 949 case IEEE80211_IOC_STA_INFO: 950 error = ieee80211_ioctl_getstainfo(vap, ireq); 951 break; 952 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 953 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 954 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 955 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 956 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 957 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 958 error = ieee80211_ioctl_getwmeparam(vap, ireq); 959 break; 960 case IEEE80211_IOC_DTIM_PERIOD: 961 ireq->i_val = vap->iv_dtim_period; 962 break; 963 case IEEE80211_IOC_BEACON_INTERVAL: 964 /* NB: get from ic_bss for station mode */ 965 ireq->i_val = vap->iv_bss->ni_intval; 966 break; 967 case IEEE80211_IOC_PUREG: 968 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 969 break; 970 case IEEE80211_IOC_QUIET: 971 ireq->i_val = vap->iv_quiet; 972 break; 973 case IEEE80211_IOC_QUIET_COUNT: 974 ireq->i_val = vap->iv_quiet_count; 975 break; 976 case IEEE80211_IOC_QUIET_PERIOD: 977 ireq->i_val = vap->iv_quiet_period; 978 break; 979 case IEEE80211_IOC_QUIET_DUR: 980 ireq->i_val = vap->iv_quiet_duration; 981 break; 982 case IEEE80211_IOC_QUIET_OFFSET: 983 ireq->i_val = vap->iv_quiet_offset; 984 break; 985 case IEEE80211_IOC_BGSCAN: 986 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 987 break; 988 case IEEE80211_IOC_BGSCAN_IDLE: 989 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 990 break; 991 case IEEE80211_IOC_BGSCAN_INTERVAL: 992 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 993 break; 994 case IEEE80211_IOC_SCANVALID: 995 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 996 break; 997 case IEEE80211_IOC_FRAGTHRESHOLD: 998 ireq->i_val = vap->iv_fragthreshold; 999 break; 1000 case IEEE80211_IOC_MACCMD: 1001 error = ieee80211_ioctl_getmaccmd(vap, ireq); 1002 break; 1003 case IEEE80211_IOC_BURST: 1004 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 1005 break; 1006 case IEEE80211_IOC_BMISSTHRESHOLD: 1007 ireq->i_val = vap->iv_bmissthreshold; 1008 break; 1009 case IEEE80211_IOC_CURCHAN: 1010 error = ieee80211_ioctl_getcurchan(vap, ireq); 1011 break; 1012 case IEEE80211_IOC_SHORTGI: 1013 ireq->i_val = 0; 1014 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1015 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1016 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1017 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1018 break; 1019 case IEEE80211_IOC_AMPDU: 1020 ireq->i_val = 0; 1021 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1022 ireq->i_val |= 1; 1023 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1024 ireq->i_val |= 2; 1025 break; 1026 case IEEE80211_IOC_AMPDU_LIMIT: 1027 /* XXX TODO: make this a per-node thing; and leave this as global */ 1028 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1029 ireq->i_val = vap->iv_ampdu_rxmax; 1030 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1031 /* 1032 * XXX TODO: this isn't completely correct, as we've 1033 * negotiated the higher of the two. 1034 */ 1035 ireq->i_val = _IEEE80211_MASKSHIFT( vap->iv_bss->ni_htparam, 1036 IEEE80211_HTCAP_MAXRXAMPDU); 1037 else 1038 ireq->i_val = vap->iv_ampdu_limit; 1039 break; 1040 case IEEE80211_IOC_AMPDU_DENSITY: 1041 /* XXX TODO: make this a per-node thing; and leave this as global */ 1042 if (vap->iv_opmode == IEEE80211_M_STA && 1043 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1044 /* 1045 * XXX TODO: this isn't completely correct, as we've 1046 * negotiated the higher of the two. 1047 */ 1048 ireq->i_val = _IEEE80211_MASKSHIFT(vap->iv_bss->ni_htparam, 1049 IEEE80211_HTCAP_MPDUDENSITY); 1050 else 1051 ireq->i_val = vap->iv_ampdu_density; 1052 break; 1053 case IEEE80211_IOC_AMSDU: 1054 ireq->i_val = 0; 1055 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1056 ireq->i_val |= 1; 1057 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1058 ireq->i_val |= 2; 1059 break; 1060 case IEEE80211_IOC_AMSDU_LIMIT: 1061 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1062 break; 1063 case IEEE80211_IOC_PUREN: 1064 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1065 break; 1066 case IEEE80211_IOC_DOTH: 1067 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1068 break; 1069 case IEEE80211_IOC_REGDOMAIN: 1070 error = ieee80211_ioctl_getregdomain(vap, ireq); 1071 break; 1072 case IEEE80211_IOC_ROAM: 1073 error = ieee80211_ioctl_getroam(vap, ireq); 1074 break; 1075 case IEEE80211_IOC_TXPARAMS: 1076 error = ieee80211_ioctl_gettxparams(vap, ireq); 1077 break; 1078 case IEEE80211_IOC_HTCOMPAT: 1079 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1080 break; 1081 case IEEE80211_IOC_DWDS: 1082 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1083 break; 1084 case IEEE80211_IOC_INACTIVITY: 1085 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1086 break; 1087 case IEEE80211_IOC_APPIE: 1088 error = ieee80211_ioctl_getappie(vap, ireq); 1089 break; 1090 case IEEE80211_IOC_WPS: 1091 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1092 break; 1093 case IEEE80211_IOC_TSN: 1094 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1095 break; 1096 case IEEE80211_IOC_DFS: 1097 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1098 break; 1099 case IEEE80211_IOC_DOTD: 1100 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1101 break; 1102 case IEEE80211_IOC_DEVCAPS: 1103 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1104 break; 1105 case IEEE80211_IOC_HTPROTMODE: 1106 ireq->i_val = vap->iv_htprotmode; 1107 break; 1108 case IEEE80211_IOC_HTCONF: 1109 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1110 ireq->i_val = 1; 1111 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1112 ireq->i_val |= 2; 1113 } else 1114 ireq->i_val = 0; 1115 break; 1116 case IEEE80211_IOC_STA_VLAN: 1117 error = ieee80211_ioctl_getstavlan(vap, ireq); 1118 break; 1119 case IEEE80211_IOC_SMPS: 1120 if (vap->iv_opmode == IEEE80211_M_STA && 1121 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1122 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1123 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1124 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1125 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1126 else 1127 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1128 } else 1129 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1130 break; 1131 case IEEE80211_IOC_RIFS: 1132 if (vap->iv_opmode == IEEE80211_M_STA && 1133 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1134 ireq->i_val = 1135 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1136 else 1137 ireq->i_val = 1138 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1139 break; 1140 case IEEE80211_IOC_STBC: 1141 ireq->i_val = 0; 1142 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX) 1143 ireq->i_val |= 1; 1144 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) 1145 ireq->i_val |= 2; 1146 break; 1147 case IEEE80211_IOC_LDPC: 1148 ireq->i_val = 0; 1149 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_TX) 1150 ireq->i_val |= 1; 1151 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_RX) 1152 ireq->i_val |= 2; 1153 break; 1154 case IEEE80211_IOC_UAPSD: 1155 ireq->i_val = 0; 1156 if (vap->iv_flags_ext & IEEE80211_FEXT_UAPSD) 1157 ireq->i_val = 1; 1158 break; 1159 case IEEE80211_IOC_VHTCONF: 1160 ireq->i_val = vap->iv_flags_vht & IEEE80211_FVHT_MASK; 1161 break; 1162 default: 1163 error = ieee80211_ioctl_getdefault(vap, ireq); 1164 break; 1165 } 1166 return error; 1167 } 1168 1169 static int 1170 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1171 { 1172 struct ieee80211req_key ik; 1173 struct ieee80211_node *ni; 1174 struct ieee80211_key *wk; 1175 uint16_t kid; 1176 int error, i; 1177 1178 if (ireq->i_len != sizeof(ik)) 1179 return EINVAL; 1180 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1181 if (error) 1182 return error; 1183 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1184 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1185 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1186 return E2BIG; 1187 kid = ik.ik_keyix; 1188 if (kid == IEEE80211_KEYIX_NONE) { 1189 /* XXX unicast keys currently must be tx/rx */ 1190 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1191 return EINVAL; 1192 if (vap->iv_opmode == IEEE80211_M_STA) { 1193 ni = ieee80211_ref_node(vap->iv_bss); 1194 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1195 ieee80211_free_node(ni); 1196 return EADDRNOTAVAIL; 1197 } 1198 } else { 1199 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1200 ik.ik_macaddr); 1201 if (ni == NULL) 1202 return ENOENT; 1203 } 1204 wk = &ni->ni_ucastkey; 1205 } else { 1206 if (kid >= IEEE80211_WEP_NKID) 1207 return EINVAL; 1208 wk = &vap->iv_nw_keys[kid]; 1209 /* 1210 * Global slots start off w/o any assigned key index. 1211 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1212 */ 1213 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1214 wk->wk_keyix = kid; 1215 ni = NULL; 1216 } 1217 error = 0; 1218 ieee80211_key_update_begin(vap); 1219 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1220 wk->wk_keylen = ik.ik_keylen; 1221 /* NB: MIC presence is implied by cipher type */ 1222 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1223 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1224 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1225 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1226 wk->wk_keytsc = 0; /* new key, reset */ 1227 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1228 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1229 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1230 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1231 if (!ieee80211_crypto_setkey(vap, wk)) 1232 error = EIO; 1233 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1234 /* 1235 * Inform the driver that this is the default 1236 * transmit key. Now, ideally we'd just set 1237 * a flag in the key update that would 1238 * say "yes, we're the default key", but 1239 * that currently isn't the way the ioctl -> 1240 * key interface works. 1241 */ 1242 ieee80211_crypto_set_deftxkey(vap, kid); 1243 } else 1244 error = ENXIO; 1245 ieee80211_key_update_end(vap); 1246 if (ni != NULL) 1247 ieee80211_free_node(ni); 1248 return error; 1249 } 1250 1251 static int 1252 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1253 { 1254 struct ieee80211req_del_key dk; 1255 int kid, error; 1256 1257 if (ireq->i_len != sizeof(dk)) 1258 return EINVAL; 1259 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1260 if (error) 1261 return error; 1262 kid = dk.idk_keyix; 1263 /* XXX uint8_t -> uint16_t */ 1264 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1265 struct ieee80211_node *ni; 1266 1267 if (vap->iv_opmode == IEEE80211_M_STA) { 1268 ni = ieee80211_ref_node(vap->iv_bss); 1269 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1270 ieee80211_free_node(ni); 1271 return EADDRNOTAVAIL; 1272 } 1273 } else { 1274 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1275 dk.idk_macaddr); 1276 if (ni == NULL) 1277 return ENOENT; 1278 } 1279 /* XXX error return */ 1280 ieee80211_node_delucastkey(ni); 1281 ieee80211_free_node(ni); 1282 } else { 1283 if (kid >= IEEE80211_WEP_NKID) 1284 return EINVAL; 1285 /* XXX error return */ 1286 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1287 } 1288 return 0; 1289 } 1290 1291 struct mlmeop { 1292 struct ieee80211vap *vap; 1293 int op; 1294 int reason; 1295 }; 1296 1297 static void 1298 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1299 int op, int reason) 1300 { 1301 #ifdef IEEE80211_DEBUG 1302 static const struct { 1303 int mask; 1304 const char *opstr; 1305 } ops[] = { 1306 { 0, "op#0" }, 1307 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1308 IEEE80211_MSG_ASSOC, "assoc" }, 1309 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1310 IEEE80211_MSG_ASSOC, "disassoc" }, 1311 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1312 IEEE80211_MSG_AUTH, "deauth" }, 1313 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1314 IEEE80211_MSG_AUTH, "authorize" }, 1315 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1316 IEEE80211_MSG_AUTH, "unauthorize" }, 1317 }; 1318 1319 if (op == IEEE80211_MLME_AUTH) { 1320 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1321 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1322 "station authenticate %s via MLME (reason: %d (%s))", 1323 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1324 reason, ieee80211_reason_to_string(reason)); 1325 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1326 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1327 "unknown MLME request %d (reason: %d (%s))", op, reason, 1328 ieee80211_reason_to_string(reason)); 1329 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1330 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1331 "station %s via MLME", ops[op].opstr); 1332 } else { 1333 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1334 "station %s via MLME (reason: %d (%s))", ops[op].opstr, 1335 reason, ieee80211_reason_to_string(reason)); 1336 } 1337 #endif /* IEEE80211_DEBUG */ 1338 } 1339 1340 static void 1341 domlme(void *arg, struct ieee80211_node *ni) 1342 { 1343 struct mlmeop *mop = arg; 1344 struct ieee80211vap *vap = ni->ni_vap; 1345 1346 if (vap != mop->vap) 1347 return; 1348 /* 1349 * NB: if ni_associd is zero then the node is already cleaned 1350 * up and we don't need to do this (we're safely holding a 1351 * reference but should otherwise not modify it's state). 1352 */ 1353 if (ni->ni_associd == 0) 1354 return; 1355 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1356 if (mop->op == IEEE80211_MLME_DEAUTH) { 1357 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1358 mop->reason); 1359 } else { 1360 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1361 mop->reason); 1362 } 1363 ieee80211_node_leave(ni); 1364 } 1365 1366 static int 1367 setmlme_dropsta(struct ieee80211vap *vap, 1368 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1369 { 1370 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1371 struct ieee80211_node *ni; 1372 int error = 0; 1373 1374 /* NB: the broadcast address means do 'em all */ 1375 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1376 IEEE80211_NODE_LOCK(nt); 1377 ni = ieee80211_find_node_locked(nt, mac); 1378 IEEE80211_NODE_UNLOCK(nt); 1379 /* 1380 * Don't do the node update inside the node 1381 * table lock. This unfortunately causes LORs 1382 * with drivers and their TX paths. 1383 */ 1384 if (ni != NULL) { 1385 domlme(mlmeop, ni); 1386 ieee80211_free_node(ni); 1387 } else 1388 error = ENOENT; 1389 } else { 1390 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1391 } 1392 return error; 1393 } 1394 1395 static int 1396 setmlme_common(struct ieee80211vap *vap, int op, 1397 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1398 { 1399 struct ieee80211com *ic = vap->iv_ic; 1400 struct ieee80211_node_table *nt = &ic->ic_sta; 1401 struct ieee80211_node *ni; 1402 struct mlmeop mlmeop; 1403 int error; 1404 1405 error = 0; 1406 switch (op) { 1407 case IEEE80211_MLME_DISASSOC: 1408 case IEEE80211_MLME_DEAUTH: 1409 switch (vap->iv_opmode) { 1410 case IEEE80211_M_STA: 1411 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1412 /* XXX not quite right */ 1413 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1414 break; 1415 case IEEE80211_M_HOSTAP: 1416 mlmeop.vap = vap; 1417 mlmeop.op = op; 1418 mlmeop.reason = reason; 1419 error = setmlme_dropsta(vap, mac, &mlmeop); 1420 break; 1421 case IEEE80211_M_WDS: 1422 /* XXX user app should send raw frame? */ 1423 if (op != IEEE80211_MLME_DEAUTH) { 1424 error = EINVAL; 1425 break; 1426 } 1427 #if 0 1428 /* XXX accept any address, simplifies user code */ 1429 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1430 error = EINVAL; 1431 break; 1432 } 1433 #endif 1434 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1435 ni = ieee80211_ref_node(vap->iv_bss); 1436 IEEE80211_SEND_MGMT(ni, 1437 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1438 ieee80211_free_node(ni); 1439 break; 1440 case IEEE80211_M_MBSS: 1441 IEEE80211_NODE_LOCK(nt); 1442 ni = ieee80211_find_node_locked(nt, mac); 1443 /* 1444 * Don't do the node update inside the node 1445 * table lock. This unfortunately causes LORs 1446 * with drivers and their TX paths. 1447 */ 1448 IEEE80211_NODE_UNLOCK(nt); 1449 if (ni != NULL) { 1450 ieee80211_node_leave(ni); 1451 ieee80211_free_node(ni); 1452 } else { 1453 error = ENOENT; 1454 } 1455 break; 1456 default: 1457 error = EINVAL; 1458 break; 1459 } 1460 break; 1461 case IEEE80211_MLME_AUTHORIZE: 1462 case IEEE80211_MLME_UNAUTHORIZE: 1463 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1464 vap->iv_opmode != IEEE80211_M_WDS) { 1465 error = EINVAL; 1466 break; 1467 } 1468 IEEE80211_NODE_LOCK(nt); 1469 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1470 /* 1471 * Don't do the node update inside the node 1472 * table lock. This unfortunately causes LORs 1473 * with drivers and their TX paths. 1474 */ 1475 IEEE80211_NODE_UNLOCK(nt); 1476 if (ni != NULL) { 1477 mlmedebug(vap, mac, op, reason); 1478 if (op == IEEE80211_MLME_AUTHORIZE) 1479 ieee80211_node_authorize(ni); 1480 else 1481 ieee80211_node_unauthorize(ni); 1482 ieee80211_free_node(ni); 1483 } else 1484 error = ENOENT; 1485 break; 1486 case IEEE80211_MLME_AUTH: 1487 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1488 error = EINVAL; 1489 break; 1490 } 1491 IEEE80211_NODE_LOCK(nt); 1492 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1493 /* 1494 * Don't do the node update inside the node 1495 * table lock. This unfortunately causes LORs 1496 * with drivers and their TX paths. 1497 */ 1498 IEEE80211_NODE_UNLOCK(nt); 1499 if (ni != NULL) { 1500 mlmedebug(vap, mac, op, reason); 1501 if (reason == IEEE80211_STATUS_SUCCESS) { 1502 IEEE80211_SEND_MGMT(ni, 1503 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1504 /* 1505 * For shared key auth, just continue the 1506 * exchange. Otherwise when 802.1x is not in 1507 * use mark the port authorized at this point 1508 * so traffic can flow. 1509 */ 1510 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1511 ni->ni_challenge == NULL) 1512 ieee80211_node_authorize(ni); 1513 } else { 1514 vap->iv_stats.is_rx_acl++; 1515 ieee80211_send_error(ni, ni->ni_macaddr, 1516 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1517 ieee80211_node_leave(ni); 1518 } 1519 ieee80211_free_node(ni); 1520 } else 1521 error = ENOENT; 1522 break; 1523 default: 1524 error = EINVAL; 1525 break; 1526 } 1527 return error; 1528 } 1529 1530 struct scanlookup { 1531 const uint8_t *mac; 1532 int esslen; 1533 const uint8_t *essid; 1534 const struct ieee80211_scan_entry *se; 1535 }; 1536 1537 /* 1538 * Match mac address and any ssid. 1539 */ 1540 static void 1541 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1542 { 1543 struct scanlookup *look = arg; 1544 1545 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1546 return; 1547 if (look->esslen != 0) { 1548 if (se->se_ssid[1] != look->esslen) 1549 return; 1550 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1551 return; 1552 } 1553 look->se = se; 1554 } 1555 1556 static int 1557 setmlme_assoc_sta(struct ieee80211vap *vap, 1558 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1559 const uint8_t ssid[IEEE80211_NWID_LEN]) 1560 { 1561 struct scanlookup lookup; 1562 1563 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1564 ("expected opmode STA not %s", 1565 ieee80211_opmode_name[vap->iv_opmode])); 1566 1567 /* NB: this is racey if roaming is !manual */ 1568 lookup.se = NULL; 1569 lookup.mac = mac; 1570 lookup.esslen = ssid_len; 1571 lookup.essid = ssid; 1572 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1573 if (lookup.se == NULL) 1574 return ENOENT; 1575 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1576 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1577 return EIO; /* XXX unique but could be better */ 1578 return 0; 1579 } 1580 1581 static int 1582 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1583 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1584 const uint8_t ssid[IEEE80211_NWID_LEN]) 1585 { 1586 struct ieee80211_scan_req *sr; 1587 int error; 1588 1589 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1590 vap->iv_opmode == IEEE80211_M_AHDEMO, 1591 ("expected opmode IBSS or AHDEMO not %s", 1592 ieee80211_opmode_name[vap->iv_opmode])); 1593 1594 if (ssid_len == 0 || ssid_len > IEEE80211_NWID_LEN) 1595 return EINVAL; 1596 1597 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1598 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1599 if (sr == NULL) 1600 return ENOMEM; 1601 1602 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1603 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1604 vap->iv_des_ssid[0].len = ssid_len; 1605 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1606 vap->iv_des_nssid = 1; 1607 1608 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1609 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1610 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1611 sr->sr_ssid[0].len = ssid_len; 1612 sr->sr_nssid = 1; 1613 1614 error = ieee80211_scanreq(vap, sr); 1615 1616 IEEE80211_FREE(sr, M_TEMP); 1617 return error; 1618 } 1619 1620 static int 1621 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1622 { 1623 struct ieee80211req_mlme mlme; 1624 int error; 1625 1626 if (ireq->i_len != sizeof(mlme)) 1627 return EINVAL; 1628 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1629 if (error) 1630 return error; 1631 if (vap->iv_opmode == IEEE80211_M_STA && 1632 mlme.im_op == IEEE80211_MLME_ASSOC) 1633 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1634 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1635 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1636 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1637 mlme.im_op == IEEE80211_MLME_ASSOC) 1638 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1639 mlme.im_ssid_len, mlme.im_ssid); 1640 else 1641 return setmlme_common(vap, mlme.im_op, 1642 mlme.im_macaddr, mlme.im_reason); 1643 } 1644 1645 static int 1646 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1647 { 1648 uint8_t mac[IEEE80211_ADDR_LEN]; 1649 const struct ieee80211_aclator *acl = vap->iv_acl; 1650 int error; 1651 1652 if (ireq->i_len != sizeof(mac)) 1653 return EINVAL; 1654 error = copyin(ireq->i_data, mac, ireq->i_len); 1655 if (error) 1656 return error; 1657 if (acl == NULL) { 1658 acl = ieee80211_aclator_get("mac"); 1659 if (acl == NULL || !acl->iac_attach(vap)) 1660 return EINVAL; 1661 vap->iv_acl = acl; 1662 } 1663 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1664 acl->iac_add(vap, mac); 1665 else 1666 acl->iac_remove(vap, mac); 1667 return 0; 1668 } 1669 1670 static int 1671 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1672 { 1673 const struct ieee80211_aclator *acl = vap->iv_acl; 1674 1675 switch (ireq->i_val) { 1676 case IEEE80211_MACCMD_POLICY_OPEN: 1677 case IEEE80211_MACCMD_POLICY_ALLOW: 1678 case IEEE80211_MACCMD_POLICY_DENY: 1679 case IEEE80211_MACCMD_POLICY_RADIUS: 1680 if (acl == NULL) { 1681 acl = ieee80211_aclator_get("mac"); 1682 if (acl == NULL || !acl->iac_attach(vap)) 1683 return EINVAL; 1684 vap->iv_acl = acl; 1685 } 1686 acl->iac_setpolicy(vap, ireq->i_val); 1687 break; 1688 case IEEE80211_MACCMD_FLUSH: 1689 if (acl != NULL) 1690 acl->iac_flush(vap); 1691 /* NB: silently ignore when not in use */ 1692 break; 1693 case IEEE80211_MACCMD_DETACH: 1694 if (acl != NULL) { 1695 vap->iv_acl = NULL; 1696 acl->iac_detach(vap); 1697 } 1698 break; 1699 default: 1700 if (acl == NULL) 1701 return EINVAL; 1702 else 1703 return acl->iac_setioctl(vap, ireq); 1704 } 1705 return 0; 1706 } 1707 1708 static int 1709 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1710 { 1711 struct ieee80211com *ic = vap->iv_ic; 1712 uint8_t *chanlist, *list; 1713 int i, nchan, maxchan, error; 1714 1715 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1716 ireq->i_len = sizeof(ic->ic_chan_active); 1717 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1718 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1719 if (list == NULL) 1720 return ENOMEM; 1721 error = copyin(ireq->i_data, list, ireq->i_len); 1722 if (error) { 1723 IEEE80211_FREE(list, M_TEMP); 1724 return error; 1725 } 1726 nchan = 0; 1727 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1728 maxchan = ireq->i_len * NBBY; 1729 for (i = 0; i < ic->ic_nchans; i++) { 1730 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1731 /* 1732 * Calculate the intersection of the user list and the 1733 * available channels so users can do things like specify 1734 * 1-255 to get all available channels. 1735 */ 1736 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1737 setbit(chanlist, c->ic_ieee); 1738 nchan++; 1739 } 1740 } 1741 if (nchan == 0) { 1742 IEEE80211_FREE(list, M_TEMP); 1743 return EINVAL; 1744 } 1745 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1746 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1747 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1748 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1749 ieee80211_scan_flush(vap); 1750 IEEE80211_FREE(list, M_TEMP); 1751 return ENETRESET; 1752 } 1753 1754 static int 1755 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1756 { 1757 struct ieee80211_node *ni; 1758 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1759 int error; 1760 1761 /* 1762 * NB: we could copyin ieee80211req_sta_stats so apps 1763 * could make selective changes but that's overkill; 1764 * just clear all stats for now. 1765 */ 1766 if (ireq->i_len < IEEE80211_ADDR_LEN) 1767 return EINVAL; 1768 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1769 if (error != 0) 1770 return error; 1771 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1772 if (ni == NULL) 1773 return ENOENT; 1774 /* XXX require ni_vap == vap? */ 1775 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1776 ieee80211_free_node(ni); 1777 return 0; 1778 } 1779 1780 static int 1781 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1782 { 1783 struct ieee80211_node *ni; 1784 struct ieee80211req_sta_txpow txpow; 1785 int error; 1786 1787 if (ireq->i_len != sizeof(txpow)) 1788 return EINVAL; 1789 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1790 if (error != 0) 1791 return error; 1792 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1793 if (ni == NULL) 1794 return ENOENT; 1795 ni->ni_txpower = txpow.it_txpow; 1796 ieee80211_free_node(ni); 1797 return error; 1798 } 1799 1800 static int 1801 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1802 { 1803 struct ieee80211com *ic = vap->iv_ic; 1804 struct ieee80211_wme_state *wme = &ic->ic_wme; 1805 struct wmeParams *wmep, *chanp; 1806 int isbss, ac, aggrmode; 1807 1808 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1809 return EOPNOTSUPP; 1810 1811 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1812 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1813 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1814 if (ac >= WME_NUM_AC) 1815 ac = WME_AC_BE; 1816 if (isbss) { 1817 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1818 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1819 } else { 1820 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1821 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1822 } 1823 switch (ireq->i_type) { 1824 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1825 wmep->wmep_logcwmin = ireq->i_val; 1826 if (!isbss || !aggrmode) 1827 chanp->wmep_logcwmin = ireq->i_val; 1828 break; 1829 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1830 wmep->wmep_logcwmax = ireq->i_val; 1831 if (!isbss || !aggrmode) 1832 chanp->wmep_logcwmax = ireq->i_val; 1833 break; 1834 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1835 wmep->wmep_aifsn = ireq->i_val; 1836 if (!isbss || !aggrmode) 1837 chanp->wmep_aifsn = ireq->i_val; 1838 break; 1839 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1840 wmep->wmep_txopLimit = ireq->i_val; 1841 if (!isbss || !aggrmode) 1842 chanp->wmep_txopLimit = ireq->i_val; 1843 break; 1844 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1845 wmep->wmep_acm = ireq->i_val; 1846 if (!aggrmode) 1847 chanp->wmep_acm = ireq->i_val; 1848 break; 1849 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1850 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1851 (ireq->i_val) == 0; 1852 break; 1853 } 1854 ieee80211_wme_updateparams(vap); 1855 return 0; 1856 } 1857 1858 static int 1859 find11gchannel(struct ieee80211com *ic, int start, int freq) 1860 { 1861 const struct ieee80211_channel *c; 1862 int i; 1863 1864 for (i = start+1; i < ic->ic_nchans; i++) { 1865 c = &ic->ic_channels[i]; 1866 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1867 return 1; 1868 } 1869 /* NB: should not be needed but in case things are mis-sorted */ 1870 for (i = 0; i < start; i++) { 1871 c = &ic->ic_channels[i]; 1872 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1873 return 1; 1874 } 1875 return 0; 1876 } 1877 1878 static struct ieee80211_channel * 1879 findchannel(struct ieee80211com *ic, int ieee, int mode) 1880 { 1881 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1882 [IEEE80211_MODE_AUTO] = 0, 1883 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1884 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1885 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1886 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1887 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1888 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1889 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1890 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1891 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1892 /* NB: handled specially below */ 1893 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1894 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1895 [IEEE80211_MODE_VHT_5GHZ] = IEEE80211_CHAN_A, 1896 [IEEE80211_MODE_VHT_2GHZ] = IEEE80211_CHAN_G, 1897 }; 1898 u_int modeflags; 1899 int i; 1900 1901 modeflags = chanflags[mode]; 1902 for (i = 0; i < ic->ic_nchans; i++) { 1903 struct ieee80211_channel *c = &ic->ic_channels[i]; 1904 1905 if (c->ic_ieee != ieee) 1906 continue; 1907 if (mode == IEEE80211_MODE_AUTO) { 1908 /* ignore turbo channels for autoselect */ 1909 if (IEEE80211_IS_CHAN_TURBO(c)) 1910 continue; 1911 /* 1912 * XXX special-case 11b/g channels so we 1913 * always select the g channel if both 1914 * are present. 1915 * XXX prefer HT to non-HT? 1916 */ 1917 if (!IEEE80211_IS_CHAN_B(c) || 1918 !find11gchannel(ic, i, c->ic_freq)) 1919 return c; 1920 } else { 1921 /* must check VHT specifically */ 1922 if ((mode == IEEE80211_MODE_VHT_5GHZ || 1923 mode == IEEE80211_MODE_VHT_2GHZ) && 1924 !IEEE80211_IS_CHAN_VHT(c)) 1925 continue; 1926 1927 /* 1928 * Must check HT specially - only match on HT, 1929 * not HT+VHT channels 1930 */ 1931 if ((mode == IEEE80211_MODE_11NA || 1932 mode == IEEE80211_MODE_11NG) && 1933 !IEEE80211_IS_CHAN_HT(c)) 1934 continue; 1935 1936 if ((mode == IEEE80211_MODE_11NA || 1937 mode == IEEE80211_MODE_11NG) && 1938 IEEE80211_IS_CHAN_VHT(c)) 1939 continue; 1940 1941 /* Check that the modeflags above match */ 1942 if ((c->ic_flags & modeflags) == modeflags) 1943 return c; 1944 } 1945 } 1946 return NULL; 1947 } 1948 1949 /* 1950 * Check the specified against any desired mode (aka netband). 1951 * This is only used (presently) when operating in hostap mode 1952 * to enforce consistency. 1953 */ 1954 static int 1955 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1956 { 1957 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1958 1959 switch (mode) { 1960 case IEEE80211_MODE_11B: 1961 return (IEEE80211_IS_CHAN_B(c)); 1962 case IEEE80211_MODE_11G: 1963 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1964 case IEEE80211_MODE_11A: 1965 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1966 case IEEE80211_MODE_STURBO_A: 1967 return (IEEE80211_IS_CHAN_STURBO(c)); 1968 case IEEE80211_MODE_11NA: 1969 return (IEEE80211_IS_CHAN_HTA(c)); 1970 case IEEE80211_MODE_11NG: 1971 return (IEEE80211_IS_CHAN_HTG(c)); 1972 } 1973 return 1; 1974 1975 } 1976 1977 /* 1978 * Common code to set the current channel. If the device 1979 * is up and running this may result in an immediate channel 1980 * change or a kick of the state machine. 1981 */ 1982 static int 1983 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1984 { 1985 struct ieee80211com *ic = vap->iv_ic; 1986 int error; 1987 1988 if (c != IEEE80211_CHAN_ANYC) { 1989 if (IEEE80211_IS_CHAN_RADAR(c)) 1990 return EBUSY; /* XXX better code? */ 1991 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1992 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1993 return EINVAL; 1994 if (!check_mode_consistency(c, vap->iv_des_mode)) 1995 return EINVAL; 1996 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1997 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1998 return EINVAL; 1999 } 2000 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 2001 vap->iv_bss->ni_chan == c) 2002 return 0; /* NB: nothing to do */ 2003 } 2004 vap->iv_des_chan = c; 2005 2006 error = 0; 2007 if (vap->iv_opmode == IEEE80211_M_MONITOR && 2008 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2009 /* 2010 * Monitor mode can switch directly. 2011 */ 2012 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 2013 /* XXX need state machine for other vap's to follow */ 2014 ieee80211_setcurchan(ic, vap->iv_des_chan); 2015 vap->iv_bss->ni_chan = ic->ic_curchan; 2016 } else { 2017 ic->ic_curchan = vap->iv_des_chan; 2018 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2019 } 2020 } else { 2021 /* 2022 * Need to go through the state machine in case we 2023 * need to reassociate or the like. The state machine 2024 * will pickup the desired channel and avoid scanning. 2025 */ 2026 if (IS_UP_AUTO(vap)) 2027 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2028 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2029 /* 2030 * When not up+running and a real channel has 2031 * been specified fix the current channel so 2032 * there is immediate feedback; e.g. via ifconfig. 2033 */ 2034 ic->ic_curchan = vap->iv_des_chan; 2035 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2036 } 2037 } 2038 return error; 2039 } 2040 2041 /* 2042 * Old api for setting the current channel; this is 2043 * deprecated because channel numbers are ambiguous. 2044 */ 2045 static int 2046 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2047 const struct ieee80211req *ireq) 2048 { 2049 struct ieee80211com *ic = vap->iv_ic; 2050 struct ieee80211_channel *c; 2051 2052 /* XXX 0xffff overflows 16-bit signed */ 2053 if (ireq->i_val == 0 || 2054 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2055 c = IEEE80211_CHAN_ANYC; 2056 } else { 2057 struct ieee80211_channel *c2; 2058 2059 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2060 if (c == NULL) { 2061 c = findchannel(ic, ireq->i_val, 2062 IEEE80211_MODE_AUTO); 2063 if (c == NULL) 2064 return EINVAL; 2065 } 2066 2067 /* 2068 * Fine tune channel selection based on desired mode: 2069 * if 11b is requested, find the 11b version of any 2070 * 11g channel returned, 2071 * if static turbo, find the turbo version of any 2072 * 11a channel return, 2073 * if 11na is requested, find the ht version of any 2074 * 11a channel returned, 2075 * if 11ng is requested, find the ht version of any 2076 * 11g channel returned, 2077 * if 11ac is requested, find the 11ac version 2078 * of any 11a/11na channel returned, 2079 * (TBD) 11acg (2GHz VHT) 2080 * otherwise we should be ok with what we've got. 2081 */ 2082 switch (vap->iv_des_mode) { 2083 case IEEE80211_MODE_11B: 2084 if (IEEE80211_IS_CHAN_ANYG(c)) { 2085 c2 = findchannel(ic, ireq->i_val, 2086 IEEE80211_MODE_11B); 2087 /* NB: should not happen, =>'s 11g w/o 11b */ 2088 if (c2 != NULL) 2089 c = c2; 2090 } 2091 break; 2092 case IEEE80211_MODE_TURBO_A: 2093 if (IEEE80211_IS_CHAN_A(c)) { 2094 c2 = findchannel(ic, ireq->i_val, 2095 IEEE80211_MODE_TURBO_A); 2096 if (c2 != NULL) 2097 c = c2; 2098 } 2099 break; 2100 case IEEE80211_MODE_11NA: 2101 if (IEEE80211_IS_CHAN_A(c)) { 2102 c2 = findchannel(ic, ireq->i_val, 2103 IEEE80211_MODE_11NA); 2104 if (c2 != NULL) 2105 c = c2; 2106 } 2107 break; 2108 case IEEE80211_MODE_11NG: 2109 if (IEEE80211_IS_CHAN_ANYG(c)) { 2110 c2 = findchannel(ic, ireq->i_val, 2111 IEEE80211_MODE_11NG); 2112 if (c2 != NULL) 2113 c = c2; 2114 } 2115 break; 2116 case IEEE80211_MODE_VHT_2GHZ: 2117 printf("%s: TBD\n", __func__); 2118 break; 2119 case IEEE80211_MODE_VHT_5GHZ: 2120 if (IEEE80211_IS_CHAN_A(c)) { 2121 c2 = findchannel(ic, ireq->i_val, 2122 IEEE80211_MODE_VHT_5GHZ); 2123 if (c2 != NULL) 2124 c = c2; 2125 } 2126 break; 2127 default: /* NB: no static turboG */ 2128 break; 2129 } 2130 } 2131 return setcurchan(vap, c); 2132 } 2133 2134 /* 2135 * New/current api for setting the current channel; a complete 2136 * channel description is provide so there is no ambiguity in 2137 * identifying the channel. 2138 */ 2139 static int 2140 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2141 const struct ieee80211req *ireq) 2142 { 2143 struct ieee80211com *ic = vap->iv_ic; 2144 struct ieee80211_channel chan, *c; 2145 int error; 2146 2147 if (ireq->i_len != sizeof(chan)) 2148 return EINVAL; 2149 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2150 if (error != 0) 2151 return error; 2152 2153 /* XXX 0xffff overflows 16-bit signed */ 2154 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2155 c = IEEE80211_CHAN_ANYC; 2156 } else { 2157 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2158 if (c == NULL) 2159 return EINVAL; 2160 } 2161 return setcurchan(vap, c); 2162 } 2163 2164 static int 2165 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2166 const struct ieee80211req *ireq) 2167 { 2168 struct ieee80211_regdomain_req *reg; 2169 int nchans, error; 2170 2171 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2172 sizeof(struct ieee80211_channel)); 2173 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2174 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2175 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2176 ireq->i_len, nchans); 2177 return EINVAL; 2178 } 2179 reg = (struct ieee80211_regdomain_req *) 2180 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2181 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2182 if (reg == NULL) { 2183 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2184 "%s: no memory, nchans %d\n", __func__, nchans); 2185 return ENOMEM; 2186 } 2187 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2188 if (error == 0) { 2189 /* NB: validate inline channel count against storage size */ 2190 if (reg->chaninfo.ic_nchans != nchans) { 2191 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2192 "%s: chan cnt mismatch, %d != %d\n", __func__, 2193 reg->chaninfo.ic_nchans, nchans); 2194 error = EINVAL; 2195 } else 2196 error = ieee80211_setregdomain(vap, reg); 2197 } 2198 IEEE80211_FREE(reg, M_TEMP); 2199 2200 return (error == 0 ? ENETRESET : error); 2201 } 2202 2203 static int 2204 checkrate(const struct ieee80211_rateset *rs, int rate) 2205 { 2206 int i; 2207 2208 if (rate == IEEE80211_FIXED_RATE_NONE) 2209 return 1; 2210 for (i = 0; i < rs->rs_nrates; i++) 2211 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2212 return 1; 2213 return 0; 2214 } 2215 2216 static int 2217 checkmcs(const struct ieee80211_htrateset *rs, int mcs) 2218 { 2219 int rate_val = IEEE80211_RV(mcs); 2220 int i; 2221 2222 if (mcs == IEEE80211_FIXED_RATE_NONE) 2223 return 1; 2224 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2225 return 0; 2226 for (i = 0; i < rs->rs_nrates; i++) 2227 if (IEEE80211_RV(rs->rs_rates[i]) == rate_val) 2228 return 1; 2229 return 0; 2230 } 2231 2232 static int 2233 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2234 const struct ieee80211req *ireq) 2235 { 2236 struct ieee80211com *ic = vap->iv_ic; 2237 struct ieee80211_roamparams_req *parms; 2238 struct ieee80211_roamparam *src, *dst; 2239 const struct ieee80211_htrateset *rs_ht; 2240 const struct ieee80211_rateset *rs; 2241 int changed, error, mode, is11n, nmodes; 2242 2243 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2244 return EINVAL; 2245 2246 parms = IEEE80211_MALLOC(sizeof(*parms), M_TEMP, 2247 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2248 if (parms == NULL) 2249 return ENOMEM; 2250 2251 error = copyin(ireq->i_data, parms, ireq->i_len); 2252 if (error != 0) 2253 goto fail; 2254 2255 changed = 0; 2256 nmodes = IEEE80211_MODE_MAX; 2257 2258 /* validate parameters and check if anything changed */ 2259 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2260 if (isclr(ic->ic_modecaps, mode)) 2261 continue; 2262 src = &parms->params[mode]; 2263 dst = &vap->iv_roamparms[mode]; 2264 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2265 rs_ht = &ic->ic_sup_htrates; 2266 is11n = (mode == IEEE80211_MODE_11NA || 2267 mode == IEEE80211_MODE_11NG); 2268 /* XXX TODO: 11ac */ 2269 if (src->rate != dst->rate) { 2270 if (!checkrate(rs, src->rate) && 2271 (!is11n || !checkmcs(rs_ht, src->rate))) { 2272 error = EINVAL; 2273 goto fail; 2274 } 2275 changed++; 2276 } 2277 if (src->rssi != dst->rssi) 2278 changed++; 2279 } 2280 if (changed) { 2281 /* 2282 * Copy new parameters in place and notify the 2283 * driver so it can push state to the device. 2284 */ 2285 /* XXX locking? */ 2286 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2287 if (isset(ic->ic_modecaps, mode)) 2288 vap->iv_roamparms[mode] = parms->params[mode]; 2289 } 2290 2291 if (vap->iv_roaming == IEEE80211_ROAMING_DEVICE) 2292 error = ERESTART; 2293 } 2294 2295 fail: IEEE80211_FREE(parms, M_TEMP); 2296 return error; 2297 } 2298 2299 static int 2300 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2301 const struct ieee80211req *ireq) 2302 { 2303 struct ieee80211com *ic = vap->iv_ic; 2304 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2305 struct ieee80211_txparam *src, *dst; 2306 const struct ieee80211_htrateset *rs_ht; 2307 const struct ieee80211_rateset *rs; 2308 int error, mode, changed, is11n, nmodes; 2309 2310 /* NB: accept short requests for backwards compat */ 2311 if (ireq->i_len > sizeof(parms)) 2312 return EINVAL; 2313 error = copyin(ireq->i_data, &parms, ireq->i_len); 2314 if (error != 0) 2315 return error; 2316 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2317 changed = 0; 2318 /* validate parameters and check if anything changed */ 2319 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2320 if (isclr(ic->ic_modecaps, mode)) 2321 continue; 2322 src = &parms.params[mode]; 2323 dst = &vap->iv_txparms[mode]; 2324 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2325 rs_ht = &ic->ic_sup_htrates; 2326 is11n = (mode == IEEE80211_MODE_11NA || 2327 mode == IEEE80211_MODE_11NG); 2328 if (src->ucastrate != dst->ucastrate) { 2329 if (!checkrate(rs, src->ucastrate) && 2330 (!is11n || !checkmcs(rs_ht, src->ucastrate))) 2331 return EINVAL; 2332 changed++; 2333 } 2334 if (src->mcastrate != dst->mcastrate) { 2335 if (!checkrate(rs, src->mcastrate) && 2336 (!is11n || !checkmcs(rs_ht, src->mcastrate))) 2337 return EINVAL; 2338 changed++; 2339 } 2340 if (src->mgmtrate != dst->mgmtrate) { 2341 if (!checkrate(rs, src->mgmtrate) && 2342 (!is11n || !checkmcs(rs_ht, src->mgmtrate))) 2343 return EINVAL; 2344 changed++; 2345 } 2346 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2347 changed++; 2348 } 2349 if (changed) { 2350 /* 2351 * Copy new parameters in place and notify the 2352 * driver so it can push state to the device. 2353 */ 2354 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2355 if (isset(ic->ic_modecaps, mode)) 2356 vap->iv_txparms[mode] = parms.params[mode]; 2357 } 2358 /* XXX could be more intelligent, 2359 e.g. don't reset if setting not being used */ 2360 return ENETRESET; 2361 } 2362 return 0; 2363 } 2364 2365 /* 2366 * Application Information Element support. 2367 */ 2368 static int 2369 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2370 { 2371 struct ieee80211_appie *app = *aie; 2372 struct ieee80211_appie *napp; 2373 int error; 2374 2375 if (ireq->i_len == 0) { /* delete any existing ie */ 2376 if (app != NULL) { 2377 *aie = NULL; /* XXX racey */ 2378 IEEE80211_FREE(app, M_80211_NODE_IE); 2379 } 2380 return 0; 2381 } 2382 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2383 return EINVAL; 2384 /* 2385 * Allocate a new appie structure and copy in the user data. 2386 * When done swap in the new structure. Note that we do not 2387 * guard against users holding a ref to the old structure; 2388 * this must be handled outside this code. 2389 * 2390 * XXX bad bad bad 2391 */ 2392 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2393 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2394 IEEE80211_M_NOWAIT); 2395 if (napp == NULL) 2396 return ENOMEM; 2397 /* XXX holding ic lock */ 2398 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2399 if (error) { 2400 IEEE80211_FREE(napp, M_80211_NODE_IE); 2401 return error; 2402 } 2403 napp->ie_len = ireq->i_len; 2404 *aie = napp; 2405 if (app != NULL) 2406 IEEE80211_FREE(app, M_80211_NODE_IE); 2407 return 0; 2408 } 2409 2410 static void 2411 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2412 { 2413 /* validate data is present as best we can */ 2414 if (space == 0 || 2+ie[1] > space) 2415 return; 2416 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2417 vap->iv_wpa_ie = ie; 2418 else if (ie[0] == IEEE80211_ELEMID_RSN) 2419 vap->iv_rsn_ie = ie; 2420 } 2421 2422 static int 2423 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2424 const struct ieee80211req *ireq, int fc0) 2425 { 2426 int error; 2427 2428 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2429 2430 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2431 case IEEE80211_FC0_SUBTYPE_BEACON: 2432 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2433 vap->iv_opmode != IEEE80211_M_IBSS) { 2434 error = EINVAL; 2435 break; 2436 } 2437 error = setappie(&vap->iv_appie_beacon, ireq); 2438 if (error == 0) 2439 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2440 break; 2441 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2442 error = setappie(&vap->iv_appie_proberesp, ireq); 2443 break; 2444 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2445 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2446 error = setappie(&vap->iv_appie_assocresp, ireq); 2447 else 2448 error = EINVAL; 2449 break; 2450 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2451 error = setappie(&vap->iv_appie_probereq, ireq); 2452 break; 2453 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2454 if (vap->iv_opmode == IEEE80211_M_STA) 2455 error = setappie(&vap->iv_appie_assocreq, ireq); 2456 else 2457 error = EINVAL; 2458 break; 2459 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2460 error = setappie(&vap->iv_appie_wpa, ireq); 2461 if (error == 0) { 2462 /* 2463 * Must split single blob of data into separate 2464 * WPA and RSN ie's because they go in different 2465 * locations in the mgt frames. 2466 * XXX use IEEE80211_IOC_WPA2 so user code does split 2467 */ 2468 vap->iv_wpa_ie = NULL; 2469 vap->iv_rsn_ie = NULL; 2470 if (vap->iv_appie_wpa != NULL) { 2471 struct ieee80211_appie *appie = 2472 vap->iv_appie_wpa; 2473 uint8_t *data = appie->ie_data; 2474 2475 /* XXX ie length validate is painful, cheat */ 2476 setwparsnie(vap, data, appie->ie_len); 2477 setwparsnie(vap, data + 2 + data[1], 2478 appie->ie_len - (2 + data[1])); 2479 } 2480 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2481 vap->iv_opmode == IEEE80211_M_IBSS) { 2482 /* 2483 * Must rebuild beacon frame as the update 2484 * mechanism doesn't handle WPA/RSN ie's. 2485 * Could extend it but it doesn't normally 2486 * change; this is just to deal with hostapd 2487 * plumbing the ie after the interface is up. 2488 */ 2489 error = ENETRESET; 2490 } 2491 } 2492 break; 2493 default: 2494 error = EINVAL; 2495 break; 2496 } 2497 return error; 2498 } 2499 2500 static int 2501 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2502 const struct ieee80211req *ireq) 2503 { 2504 struct ieee80211com *ic = vap->iv_ic; 2505 int error; 2506 uint8_t fc0; 2507 2508 fc0 = ireq->i_val & 0xff; 2509 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2510 return EINVAL; 2511 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2512 IEEE80211_LOCK(ic); 2513 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2514 IEEE80211_UNLOCK(ic); 2515 return error; 2516 } 2517 2518 static int 2519 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2520 { 2521 struct ieee80211com *ic = vap->iv_ic; 2522 struct ieee80211_chanswitch_req csr; 2523 struct ieee80211_channel *c; 2524 int error; 2525 2526 if (ireq->i_len != sizeof(csr)) 2527 return EINVAL; 2528 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2529 if (error != 0) 2530 return error; 2531 /* XXX adhoc mode not supported */ 2532 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2533 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2534 return EOPNOTSUPP; 2535 c = ieee80211_find_channel(ic, 2536 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2537 if (c == NULL) 2538 return ENOENT; 2539 IEEE80211_LOCK(ic); 2540 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2541 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2542 else if (csr.csa_count == 0) 2543 ieee80211_csa_cancelswitch(ic); 2544 else 2545 error = EBUSY; 2546 IEEE80211_UNLOCK(ic); 2547 return error; 2548 } 2549 2550 static int 2551 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2552 { 2553 #define IEEE80211_IOC_SCAN_FLAGS \ 2554 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2555 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2556 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2557 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2558 IEEE80211_IOC_SCAN_CHECK) 2559 struct ieee80211com *ic = vap->iv_ic; 2560 int error, i; 2561 2562 /* convert duration */ 2563 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2564 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2565 else { 2566 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2567 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2568 return EINVAL; 2569 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2570 } 2571 /* convert min/max channel dwell */ 2572 if (sr->sr_mindwell != 0) 2573 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2574 if (sr->sr_maxdwell != 0) 2575 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2576 /* NB: silently reduce ssid count to what is supported */ 2577 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2578 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2579 for (i = 0; i < sr->sr_nssid; i++) 2580 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2581 return EINVAL; 2582 /* cleanse flags just in case, could reject if invalid flags */ 2583 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2584 /* 2585 * Add an implicit NOPICK if the vap is not marked UP. This 2586 * allows applications to scan without joining a bss (or picking 2587 * a channel and setting up a bss) and without forcing manual 2588 * roaming mode--you just need to mark the parent device UP. 2589 */ 2590 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2591 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2592 2593 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2594 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2595 __func__, sr->sr_flags, 2596 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2597 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2598 /* 2599 * If we are in INIT state then the driver has never had a chance 2600 * to setup hardware state to do a scan; we must use the state 2601 * machine to get us up to the SCAN state but once we reach SCAN 2602 * state we then want to use the supplied params. Stash the 2603 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2604 * state machines will recognize this and use the stashed params 2605 * to issue the scan request. 2606 * 2607 * Otherwise just invoke the scan machinery directly. 2608 */ 2609 IEEE80211_LOCK(ic); 2610 if (ic->ic_nrunning == 0) { 2611 IEEE80211_UNLOCK(ic); 2612 return ENXIO; 2613 } 2614 2615 if (vap->iv_state == IEEE80211_S_INIT) { 2616 /* NB: clobbers previous settings */ 2617 vap->iv_scanreq_flags = sr->sr_flags; 2618 vap->iv_scanreq_duration = sr->sr_duration; 2619 vap->iv_scanreq_nssid = sr->sr_nssid; 2620 for (i = 0; i < sr->sr_nssid; i++) { 2621 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2622 memcpy(vap->iv_scanreq_ssid[i].ssid, 2623 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2624 } 2625 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2626 IEEE80211_UNLOCK(ic); 2627 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2628 } else { 2629 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2630 IEEE80211_UNLOCK(ic); 2631 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2632 error = ieee80211_check_scan(vap, sr->sr_flags, 2633 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2634 sr->sr_nssid, 2635 /* NB: cheat, we assume structures are compatible */ 2636 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2637 } else { 2638 error = ieee80211_start_scan(vap, sr->sr_flags, 2639 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2640 sr->sr_nssid, 2641 /* NB: cheat, we assume structures are compatible */ 2642 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2643 } 2644 if (error == 0) 2645 return EINPROGRESS; 2646 } 2647 return 0; 2648 #undef IEEE80211_IOC_SCAN_FLAGS 2649 } 2650 2651 static int 2652 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2653 { 2654 struct ieee80211_scan_req *sr; 2655 int error; 2656 2657 if (ireq->i_len != sizeof(*sr)) 2658 return EINVAL; 2659 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2660 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2661 if (sr == NULL) 2662 return ENOMEM; 2663 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2664 if (error != 0) 2665 goto bad; 2666 error = ieee80211_scanreq(vap, sr); 2667 bad: 2668 IEEE80211_FREE(sr, M_TEMP); 2669 return error; 2670 } 2671 2672 static int 2673 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2674 { 2675 struct ieee80211_node *ni; 2676 struct ieee80211req_sta_vlan vlan; 2677 int error; 2678 2679 if (ireq->i_len != sizeof(vlan)) 2680 return EINVAL; 2681 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2682 if (error != 0) 2683 return error; 2684 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2685 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2686 vlan.sv_macaddr); 2687 if (ni == NULL) 2688 return ENOENT; 2689 } else 2690 ni = ieee80211_ref_node(vap->iv_bss); 2691 ni->ni_vlan = vlan.sv_vlan; 2692 ieee80211_free_node(ni); 2693 return error; 2694 } 2695 2696 static int 2697 isvap11g(const struct ieee80211vap *vap) 2698 { 2699 const struct ieee80211_node *bss = vap->iv_bss; 2700 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2701 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2702 } 2703 2704 static int 2705 isvapht(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_HT(bss->ni_chan); 2710 } 2711 2712 /* 2713 * Dummy ioctl set handler so the linker set is defined. 2714 */ 2715 static int 2716 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2717 { 2718 return ENOSYS; 2719 } 2720 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2721 2722 static int 2723 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2724 { 2725 ieee80211_ioctl_setfunc * const *set; 2726 int error; 2727 2728 SET_FOREACH(set, ieee80211_ioctl_setset) { 2729 error = (*set)(vap, ireq); 2730 if (error != ENOSYS) 2731 return error; 2732 } 2733 return EINVAL; 2734 } 2735 2736 static int 2737 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2738 { 2739 struct ieee80211com *ic = vap->iv_ic; 2740 int error; 2741 const struct ieee80211_authenticator *auth; 2742 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2743 char tmpssid[IEEE80211_NWID_LEN]; 2744 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2745 struct ieee80211_key *k; 2746 u_int kid; 2747 uint32_t flags; 2748 2749 error = 0; 2750 switch (ireq->i_type) { 2751 case IEEE80211_IOC_SSID: 2752 if (ireq->i_val != 0 || 2753 ireq->i_len > IEEE80211_NWID_LEN) 2754 return EINVAL; 2755 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2756 if (error) 2757 break; 2758 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2759 vap->iv_des_ssid[0].len = ireq->i_len; 2760 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2761 vap->iv_des_nssid = (ireq->i_len > 0); 2762 error = ENETRESET; 2763 break; 2764 case IEEE80211_IOC_WEP: 2765 switch (ireq->i_val) { 2766 case IEEE80211_WEP_OFF: 2767 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2768 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2769 break; 2770 case IEEE80211_WEP_ON: 2771 vap->iv_flags |= IEEE80211_F_PRIVACY; 2772 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2773 break; 2774 case IEEE80211_WEP_MIXED: 2775 vap->iv_flags |= IEEE80211_F_PRIVACY; 2776 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2777 break; 2778 } 2779 error = ENETRESET; 2780 break; 2781 case IEEE80211_IOC_WEPKEY: 2782 kid = (u_int) ireq->i_val; 2783 if (kid >= IEEE80211_WEP_NKID) 2784 return EINVAL; 2785 k = &vap->iv_nw_keys[kid]; 2786 if (ireq->i_len == 0) { 2787 /* zero-len =>'s delete any existing key */ 2788 (void) ieee80211_crypto_delkey(vap, k); 2789 break; 2790 } 2791 if (ireq->i_len > sizeof(tmpkey)) 2792 return EINVAL; 2793 memset(tmpkey, 0, sizeof(tmpkey)); 2794 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2795 if (error) 2796 break; 2797 ieee80211_key_update_begin(vap); 2798 k->wk_keyix = kid; /* NB: force fixed key id */ 2799 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2800 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2801 k->wk_keylen = ireq->i_len; 2802 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2803 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2804 if (!ieee80211_crypto_setkey(vap, k)) 2805 error = EINVAL; 2806 } else 2807 error = EINVAL; 2808 ieee80211_key_update_end(vap); 2809 break; 2810 case IEEE80211_IOC_WEPTXKEY: 2811 kid = (u_int) ireq->i_val; 2812 if (kid >= IEEE80211_WEP_NKID && 2813 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2814 return EINVAL; 2815 /* 2816 * Firmware devices may need to be told about an explicit 2817 * key index here, versus just inferring it from the 2818 * key set / change. Since we may also need to pause 2819 * things like transmit before the key is updated, 2820 * give the driver a chance to flush things by tying 2821 * into key update begin/end. 2822 */ 2823 ieee80211_key_update_begin(vap); 2824 ieee80211_crypto_set_deftxkey(vap, kid); 2825 ieee80211_key_update_end(vap); 2826 break; 2827 case IEEE80211_IOC_AUTHMODE: 2828 switch (ireq->i_val) { 2829 case IEEE80211_AUTH_WPA: 2830 case IEEE80211_AUTH_8021X: /* 802.1x */ 2831 case IEEE80211_AUTH_OPEN: /* open */ 2832 case IEEE80211_AUTH_SHARED: /* shared-key */ 2833 case IEEE80211_AUTH_AUTO: /* auto */ 2834 auth = ieee80211_authenticator_get(ireq->i_val); 2835 if (auth == NULL) 2836 return EINVAL; 2837 break; 2838 default: 2839 return EINVAL; 2840 } 2841 switch (ireq->i_val) { 2842 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2843 vap->iv_flags |= IEEE80211_F_PRIVACY; 2844 ireq->i_val = IEEE80211_AUTH_8021X; 2845 break; 2846 case IEEE80211_AUTH_OPEN: /* open */ 2847 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2848 break; 2849 case IEEE80211_AUTH_SHARED: /* shared-key */ 2850 case IEEE80211_AUTH_8021X: /* 802.1x */ 2851 vap->iv_flags &= ~IEEE80211_F_WPA; 2852 /* both require a key so mark the PRIVACY capability */ 2853 vap->iv_flags |= IEEE80211_F_PRIVACY; 2854 break; 2855 case IEEE80211_AUTH_AUTO: /* auto */ 2856 vap->iv_flags &= ~IEEE80211_F_WPA; 2857 /* XXX PRIVACY handling? */ 2858 /* XXX what's the right way to do this? */ 2859 break; 2860 } 2861 /* NB: authenticator attach/detach happens on state change */ 2862 vap->iv_bss->ni_authmode = ireq->i_val; 2863 /* XXX mixed/mode/usage? */ 2864 vap->iv_auth = auth; 2865 error = ENETRESET; 2866 break; 2867 case IEEE80211_IOC_CHANNEL: 2868 error = ieee80211_ioctl_setchannel(vap, ireq); 2869 break; 2870 case IEEE80211_IOC_POWERSAVE: 2871 switch (ireq->i_val) { 2872 case IEEE80211_POWERSAVE_OFF: 2873 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2874 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2875 error = ERESTART; 2876 } 2877 break; 2878 case IEEE80211_POWERSAVE_ON: 2879 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2880 error = EOPNOTSUPP; 2881 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2882 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2883 error = ERESTART; 2884 } 2885 break; 2886 default: 2887 error = EINVAL; 2888 break; 2889 } 2890 break; 2891 case IEEE80211_IOC_POWERSAVESLEEP: 2892 if (ireq->i_val < 0) 2893 return EINVAL; 2894 ic->ic_lintval = ireq->i_val; 2895 error = ERESTART; 2896 break; 2897 case IEEE80211_IOC_RTSTHRESHOLD: 2898 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2899 ireq->i_val <= IEEE80211_RTS_MAX)) 2900 return EINVAL; 2901 vap->iv_rtsthreshold = ireq->i_val; 2902 error = ERESTART; 2903 break; 2904 case IEEE80211_IOC_PROTMODE: 2905 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2906 return EINVAL; 2907 vap->iv_protmode = (enum ieee80211_protmode)ireq->i_val; 2908 /* NB: if not operating in 11g this can wait */ 2909 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2910 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2911 error = ERESTART; 2912 /* driver callback for protection mode update */ 2913 ieee80211_vap_update_erp_protmode(vap); 2914 break; 2915 case IEEE80211_IOC_TXPOWER: 2916 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2917 return EOPNOTSUPP; 2918 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2919 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2920 return EINVAL; 2921 ic->ic_txpowlimit = ireq->i_val; 2922 error = ERESTART; 2923 break; 2924 case IEEE80211_IOC_ROAMING: 2925 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2926 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2927 return EINVAL; 2928 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2929 /* XXXX reset? */ 2930 break; 2931 case IEEE80211_IOC_PRIVACY: 2932 if (ireq->i_val) { 2933 /* XXX check for key state? */ 2934 vap->iv_flags |= IEEE80211_F_PRIVACY; 2935 } else 2936 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2937 /* XXX ERESTART? */ 2938 break; 2939 case IEEE80211_IOC_DROPUNENCRYPTED: 2940 if (ireq->i_val) 2941 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2942 else 2943 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2944 /* XXX ERESTART? */ 2945 break; 2946 case IEEE80211_IOC_WPAKEY: 2947 error = ieee80211_ioctl_setkey(vap, ireq); 2948 break; 2949 case IEEE80211_IOC_DELKEY: 2950 error = ieee80211_ioctl_delkey(vap, ireq); 2951 break; 2952 case IEEE80211_IOC_MLME: 2953 error = ieee80211_ioctl_setmlme(vap, ireq); 2954 break; 2955 case IEEE80211_IOC_COUNTERMEASURES: 2956 if (ireq->i_val) { 2957 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2958 return EOPNOTSUPP; 2959 vap->iv_flags |= IEEE80211_F_COUNTERM; 2960 } else 2961 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2962 /* XXX ERESTART? */ 2963 break; 2964 case IEEE80211_IOC_WPA: 2965 if (ireq->i_val > 3) 2966 return EINVAL; 2967 /* XXX verify ciphers available */ 2968 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2969 switch (ireq->i_val) { 2970 case 0: 2971 /* wpa_supplicant calls this to clear the WPA config */ 2972 break; 2973 case 1: 2974 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2975 return EOPNOTSUPP; 2976 flags |= IEEE80211_F_WPA1; 2977 break; 2978 case 2: 2979 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2980 return EOPNOTSUPP; 2981 flags |= IEEE80211_F_WPA2; 2982 break; 2983 case 3: 2984 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2985 return EOPNOTSUPP; 2986 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2987 break; 2988 default: /* Can't set any -> error */ 2989 return EOPNOTSUPP; 2990 } 2991 vap->iv_flags = flags; 2992 error = ERESTART; /* NB: can change beacon frame */ 2993 break; 2994 case IEEE80211_IOC_WME: 2995 if (ireq->i_val) { 2996 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2997 return EOPNOTSUPP; 2998 ieee80211_syncflag(vap, IEEE80211_F_WME); 2999 } else 3000 ieee80211_syncflag(vap, -IEEE80211_F_WME); 3001 error = ERESTART; /* NB: can change beacon frame */ 3002 break; 3003 case IEEE80211_IOC_HIDESSID: 3004 if (ireq->i_val) 3005 vap->iv_flags |= IEEE80211_F_HIDESSID; 3006 else 3007 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 3008 error = ERESTART; /* XXX ENETRESET? */ 3009 break; 3010 case IEEE80211_IOC_APBRIDGE: 3011 if (ireq->i_val == 0) 3012 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 3013 else 3014 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 3015 break; 3016 case IEEE80211_IOC_BSSID: 3017 if (ireq->i_len != sizeof(tmpbssid)) 3018 return EINVAL; 3019 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 3020 if (error) 3021 break; 3022 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 3023 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 3024 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 3025 else 3026 vap->iv_flags |= IEEE80211_F_DESBSSID; 3027 error = ENETRESET; 3028 break; 3029 case IEEE80211_IOC_CHANLIST: 3030 error = ieee80211_ioctl_setchanlist(vap, ireq); 3031 break; 3032 #define OLD_IEEE80211_IOC_SCAN_REQ 23 3033 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 3034 case OLD_IEEE80211_IOC_SCAN_REQ: 3035 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3036 "%s: active scan request\n", __func__); 3037 /* 3038 * If we are in INIT state then the driver has never 3039 * had a chance to setup hardware state to do a scan; 3040 * use the state machine to get us up the SCAN state. 3041 * Otherwise just invoke the scan machinery to start 3042 * a one-time scan. 3043 */ 3044 if (vap->iv_state == IEEE80211_S_INIT) 3045 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 3046 else 3047 (void) ieee80211_start_scan(vap, 3048 IEEE80211_SCAN_ACTIVE | 3049 IEEE80211_SCAN_NOPICK | 3050 IEEE80211_SCAN_ONCE, 3051 IEEE80211_SCAN_FOREVER, 0, 0, 3052 /* XXX use ioctl params */ 3053 vap->iv_des_nssid, vap->iv_des_ssid); 3054 break; 3055 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 3056 case IEEE80211_IOC_SCAN_REQ: 3057 error = ieee80211_ioctl_scanreq(vap, ireq); 3058 break; 3059 case IEEE80211_IOC_SCAN_CANCEL: 3060 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3061 "%s: cancel scan\n", __func__); 3062 ieee80211_cancel_scan(vap); 3063 break; 3064 case IEEE80211_IOC_HTCONF: 3065 if (ireq->i_val & 1) 3066 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 3067 else 3068 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 3069 if (ireq->i_val & 2) 3070 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 3071 else 3072 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 3073 error = ENETRESET; 3074 break; 3075 case IEEE80211_IOC_ADDMAC: 3076 case IEEE80211_IOC_DELMAC: 3077 error = ieee80211_ioctl_macmac(vap, ireq); 3078 break; 3079 case IEEE80211_IOC_MACCMD: 3080 error = ieee80211_ioctl_setmaccmd(vap, ireq); 3081 break; 3082 case IEEE80211_IOC_STA_STATS: 3083 error = ieee80211_ioctl_setstastats(vap, ireq); 3084 break; 3085 case IEEE80211_IOC_STA_TXPOW: 3086 error = ieee80211_ioctl_setstatxpow(vap, ireq); 3087 break; 3088 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 3089 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 3090 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 3091 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 3092 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 3093 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 3094 error = ieee80211_ioctl_setwmeparam(vap, ireq); 3095 break; 3096 case IEEE80211_IOC_DTIM_PERIOD: 3097 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3098 vap->iv_opmode != IEEE80211_M_MBSS && 3099 vap->iv_opmode != IEEE80211_M_IBSS) 3100 return EINVAL; 3101 if (IEEE80211_DTIM_MIN <= ireq->i_val && 3102 ireq->i_val <= IEEE80211_DTIM_MAX) { 3103 vap->iv_dtim_period = ireq->i_val; 3104 error = ENETRESET; /* requires restart */ 3105 } else 3106 error = EINVAL; 3107 break; 3108 case IEEE80211_IOC_BEACON_INTERVAL: 3109 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3110 vap->iv_opmode != IEEE80211_M_MBSS && 3111 vap->iv_opmode != IEEE80211_M_IBSS) 3112 return EINVAL; 3113 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 3114 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 3115 ic->ic_bintval = ireq->i_val; 3116 error = ENETRESET; /* requires restart */ 3117 } else 3118 error = EINVAL; 3119 break; 3120 case IEEE80211_IOC_PUREG: 3121 if (ireq->i_val) 3122 vap->iv_flags |= IEEE80211_F_PUREG; 3123 else 3124 vap->iv_flags &= ~IEEE80211_F_PUREG; 3125 /* NB: reset only if we're operating on an 11g channel */ 3126 if (isvap11g(vap)) 3127 error = ENETRESET; 3128 break; 3129 case IEEE80211_IOC_QUIET: 3130 vap->iv_quiet= ireq->i_val; 3131 break; 3132 case IEEE80211_IOC_QUIET_COUNT: 3133 vap->iv_quiet_count=ireq->i_val; 3134 break; 3135 case IEEE80211_IOC_QUIET_PERIOD: 3136 vap->iv_quiet_period=ireq->i_val; 3137 break; 3138 case IEEE80211_IOC_QUIET_OFFSET: 3139 vap->iv_quiet_offset=ireq->i_val; 3140 break; 3141 case IEEE80211_IOC_QUIET_DUR: 3142 if(ireq->i_val < vap->iv_bss->ni_intval) 3143 vap->iv_quiet_duration = ireq->i_val; 3144 else 3145 error = EINVAL; 3146 break; 3147 case IEEE80211_IOC_BGSCAN: 3148 if (ireq->i_val) { 3149 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3150 return EOPNOTSUPP; 3151 vap->iv_flags |= IEEE80211_F_BGSCAN; 3152 } else 3153 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3154 break; 3155 case IEEE80211_IOC_BGSCAN_IDLE: 3156 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3157 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3158 else 3159 error = EINVAL; 3160 break; 3161 case IEEE80211_IOC_BGSCAN_INTERVAL: 3162 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3163 vap->iv_bgscanintvl = ireq->i_val*hz; 3164 else 3165 error = EINVAL; 3166 break; 3167 case IEEE80211_IOC_SCANVALID: 3168 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3169 vap->iv_scanvalid = ireq->i_val*hz; 3170 else 3171 error = EINVAL; 3172 break; 3173 case IEEE80211_IOC_FRAGTHRESHOLD: 3174 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3175 ireq->i_val != IEEE80211_FRAG_MAX) 3176 return EOPNOTSUPP; 3177 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3178 ireq->i_val <= IEEE80211_FRAG_MAX)) 3179 return EINVAL; 3180 vap->iv_fragthreshold = ireq->i_val; 3181 error = ERESTART; 3182 break; 3183 case IEEE80211_IOC_BURST: 3184 if (ireq->i_val) { 3185 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3186 return EOPNOTSUPP; 3187 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3188 } else 3189 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3190 error = ERESTART; 3191 break; 3192 case IEEE80211_IOC_BMISSTHRESHOLD: 3193 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3194 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3195 return EINVAL; 3196 vap->iv_bmissthreshold = ireq->i_val; 3197 error = ERESTART; 3198 break; 3199 case IEEE80211_IOC_CURCHAN: 3200 error = ieee80211_ioctl_setcurchan(vap, ireq); 3201 break; 3202 case IEEE80211_IOC_SHORTGI: 3203 if (ireq->i_val) { 3204 #define IEEE80211_HTCAP_SHORTGI \ 3205 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3206 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3207 return EINVAL; 3208 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3209 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3210 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3211 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3212 #undef IEEE80211_HTCAP_SHORTGI 3213 } else 3214 vap->iv_flags_ht &= 3215 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3216 error = ERESTART; 3217 break; 3218 case IEEE80211_IOC_AMPDU: 3219 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3220 return EINVAL; 3221 if (ireq->i_val & 1) 3222 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3223 else 3224 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3225 if (ireq->i_val & 2) 3226 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3227 else 3228 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3229 /* NB: reset only if we're operating on an 11n channel */ 3230 if (isvapht(vap)) 3231 error = ERESTART; 3232 break; 3233 case IEEE80211_IOC_AMPDU_LIMIT: 3234 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */ 3235 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3236 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3237 return EINVAL; 3238 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3239 vap->iv_ampdu_rxmax = ireq->i_val; 3240 else 3241 vap->iv_ampdu_limit = ireq->i_val; 3242 error = ERESTART; 3243 break; 3244 case IEEE80211_IOC_AMPDU_DENSITY: 3245 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3246 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3247 return EINVAL; 3248 vap->iv_ampdu_density = ireq->i_val; 3249 error = ERESTART; 3250 break; 3251 case IEEE80211_IOC_AMSDU: 3252 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3253 return EINVAL; 3254 if (ireq->i_val & 1) 3255 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3256 else 3257 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3258 if (ireq->i_val & 2) 3259 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3260 else 3261 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3262 /* NB: reset only if we're operating on an 11n channel */ 3263 if (isvapht(vap)) 3264 error = ERESTART; 3265 break; 3266 case IEEE80211_IOC_AMSDU_LIMIT: 3267 /* XXX validate */ 3268 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3269 break; 3270 case IEEE80211_IOC_PUREN: 3271 if (ireq->i_val) { 3272 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3273 return EINVAL; 3274 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3275 } else 3276 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3277 /* NB: reset only if we're operating on an 11n channel */ 3278 if (isvapht(vap)) 3279 error = ERESTART; 3280 break; 3281 case IEEE80211_IOC_DOTH: 3282 if (ireq->i_val) { 3283 #if 0 3284 /* XXX no capability */ 3285 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3286 return EOPNOTSUPP; 3287 #endif 3288 vap->iv_flags |= IEEE80211_F_DOTH; 3289 } else 3290 vap->iv_flags &= ~IEEE80211_F_DOTH; 3291 error = ENETRESET; 3292 break; 3293 case IEEE80211_IOC_REGDOMAIN: 3294 error = ieee80211_ioctl_setregdomain(vap, ireq); 3295 break; 3296 case IEEE80211_IOC_ROAM: 3297 error = ieee80211_ioctl_setroam(vap, ireq); 3298 break; 3299 case IEEE80211_IOC_TXPARAMS: 3300 error = ieee80211_ioctl_settxparams(vap, ireq); 3301 break; 3302 case IEEE80211_IOC_HTCOMPAT: 3303 if (ireq->i_val) { 3304 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3305 return EOPNOTSUPP; 3306 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3307 } else 3308 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3309 /* NB: reset only if we're operating on an 11n channel */ 3310 if (isvapht(vap)) 3311 error = ERESTART; 3312 break; 3313 case IEEE80211_IOC_DWDS: 3314 if (ireq->i_val) { 3315 /* NB: DWDS only makes sense for WDS-capable devices */ 3316 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3317 return EOPNOTSUPP; 3318 /* NB: DWDS is used only with ap+sta vaps */ 3319 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3320 vap->iv_opmode != IEEE80211_M_STA) 3321 return EINVAL; 3322 vap->iv_flags |= IEEE80211_F_DWDS; 3323 if (vap->iv_opmode == IEEE80211_M_STA) 3324 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3325 } else { 3326 vap->iv_flags &= ~IEEE80211_F_DWDS; 3327 if (vap->iv_opmode == IEEE80211_M_STA) 3328 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3329 } 3330 break; 3331 case IEEE80211_IOC_INACTIVITY: 3332 if (ireq->i_val) 3333 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3334 else 3335 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3336 break; 3337 case IEEE80211_IOC_APPIE: 3338 error = ieee80211_ioctl_setappie(vap, ireq); 3339 break; 3340 case IEEE80211_IOC_WPS: 3341 if (ireq->i_val) { 3342 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3343 return EOPNOTSUPP; 3344 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3345 } else 3346 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3347 break; 3348 case IEEE80211_IOC_TSN: 3349 if (ireq->i_val) { 3350 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3351 return EOPNOTSUPP; 3352 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3353 } else 3354 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3355 break; 3356 case IEEE80211_IOC_CHANSWITCH: 3357 error = ieee80211_ioctl_chanswitch(vap, ireq); 3358 break; 3359 case IEEE80211_IOC_DFS: 3360 if (ireq->i_val) { 3361 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3362 return EOPNOTSUPP; 3363 /* NB: DFS requires 11h support */ 3364 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3365 return EINVAL; 3366 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3367 } else 3368 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3369 break; 3370 case IEEE80211_IOC_DOTD: 3371 if (ireq->i_val) 3372 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3373 else 3374 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3375 if (vap->iv_opmode == IEEE80211_M_STA) 3376 error = ENETRESET; 3377 break; 3378 case IEEE80211_IOC_HTPROTMODE: 3379 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3380 return EINVAL; 3381 vap->iv_htprotmode = ireq->i_val ? 3382 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3383 /* NB: if not operating in 11n this can wait */ 3384 if (isvapht(vap)) 3385 error = ERESTART; 3386 /* Notify driver layer of HT protmode changes */ 3387 ieee80211_vap_update_ht_protmode(vap); 3388 break; 3389 case IEEE80211_IOC_STA_VLAN: 3390 error = ieee80211_ioctl_setstavlan(vap, ireq); 3391 break; 3392 case IEEE80211_IOC_SMPS: 3393 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3394 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3395 return EINVAL; 3396 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3397 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3398 return EOPNOTSUPP; 3399 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3400 ireq->i_val; 3401 /* NB: if not operating in 11n this can wait */ 3402 if (isvapht(vap)) 3403 error = ERESTART; 3404 break; 3405 case IEEE80211_IOC_RIFS: 3406 if (ireq->i_val != 0) { 3407 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3408 return EOPNOTSUPP; 3409 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3410 } else 3411 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3412 /* NB: if not operating in 11n this can wait */ 3413 if (isvapht(vap)) 3414 error = ERESTART; 3415 break; 3416 case IEEE80211_IOC_STBC: 3417 /* Check if we can do STBC TX/RX before changing the setting */ 3418 if ((ireq->i_val & 1) && 3419 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0)) 3420 return EOPNOTSUPP; 3421 if ((ireq->i_val & 2) && 3422 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0)) 3423 return EOPNOTSUPP; 3424 3425 /* TX */ 3426 if (ireq->i_val & 1) 3427 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX; 3428 else 3429 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX; 3430 3431 /* RX */ 3432 if (ireq->i_val & 2) 3433 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX; 3434 else 3435 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX; 3436 3437 /* NB: reset only if we're operating on an 11n channel */ 3438 if (isvapht(vap)) 3439 error = ERESTART; 3440 break; 3441 case IEEE80211_IOC_LDPC: 3442 /* Check if we can do LDPC TX/RX before changing the setting */ 3443 if ((ireq->i_val & 1) && 3444 (vap->iv_htcaps & IEEE80211_HTC_TXLDPC) == 0) 3445 return EOPNOTSUPP; 3446 if ((ireq->i_val & 2) && 3447 (vap->iv_htcaps & IEEE80211_HTCAP_LDPC) == 0) 3448 return EOPNOTSUPP; 3449 3450 /* TX */ 3451 if (ireq->i_val & 1) 3452 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX; 3453 else 3454 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_TX; 3455 3456 /* RX */ 3457 if (ireq->i_val & 2) 3458 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX; 3459 else 3460 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_RX; 3461 3462 /* NB: reset only if we're operating on an 11n channel */ 3463 if (isvapht(vap)) 3464 error = ERESTART; 3465 break; 3466 case IEEE80211_IOC_UAPSD: 3467 if ((vap->iv_caps & IEEE80211_C_UAPSD) == 0) 3468 return EOPNOTSUPP; 3469 if (ireq->i_val == 0) 3470 vap->iv_flags_ext &= ~IEEE80211_FEXT_UAPSD; 3471 else if (ireq->i_val == 1) 3472 vap->iv_flags_ext |= IEEE80211_FEXT_UAPSD; 3473 else 3474 return EINVAL; 3475 break; 3476 3477 /* VHT */ 3478 case IEEE80211_IOC_VHTCONF: 3479 if (ireq->i_val & IEEE80211_FVHT_VHT) 3480 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_VHT); 3481 else 3482 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_VHT); 3483 3484 if (ireq->i_val & IEEE80211_FVHT_USEVHT40) 3485 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT40); 3486 else 3487 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT40); 3488 3489 if (ireq->i_val & IEEE80211_FVHT_USEVHT80) 3490 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80); 3491 else 3492 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80); 3493 3494 if (ireq->i_val & IEEE80211_FVHT_USEVHT160) 3495 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT160); 3496 else 3497 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT160); 3498 3499 if (ireq->i_val & IEEE80211_FVHT_USEVHT80P80) 3500 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80P80); 3501 else 3502 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80P80); 3503 3504 error = ENETRESET; 3505 break; 3506 3507 default: 3508 error = ieee80211_ioctl_setdefault(vap, ireq); 3509 break; 3510 } 3511 /* 3512 * The convention is that ENETRESET means an operation 3513 * requires a complete re-initialization of the device (e.g. 3514 * changing something that affects the association state). 3515 * ERESTART means the request may be handled with only a 3516 * reload of the hardware state. We hand ERESTART requests 3517 * to the iv_reset callback so the driver can decide. If 3518 * a device does not fillin iv_reset then it defaults to one 3519 * that returns ENETRESET. Otherwise a driver may return 3520 * ENETRESET (in which case a full reset will be done) or 3521 * 0 to mean there's no need to do anything (e.g. when the 3522 * change has no effect on the driver/device). 3523 */ 3524 if (error == ERESTART) 3525 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3526 vap->iv_reset(vap, ireq->i_type) : 0; 3527 if (error == ENETRESET) { 3528 /* XXX need to re-think AUTO handling */ 3529 if (IS_UP_AUTO(vap)) 3530 ieee80211_init(vap); 3531 error = 0; 3532 } 3533 return error; 3534 } 3535 3536 int 3537 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3538 { 3539 struct ieee80211vap *vap = ifp->if_softc; 3540 struct ieee80211com *ic = vap->iv_ic; 3541 int error = 0, wait = 0, ic_used; 3542 struct ifreq *ifr; 3543 struct ifaddr *ifa; /* XXX */ 3544 3545 ic_used = (cmd != SIOCSIFMTU && cmd != SIOCG80211STATS); 3546 if (ic_used && (error = ieee80211_com_vincref(vap)) != 0) 3547 return (error); 3548 3549 switch (cmd) { 3550 case SIOCSIFFLAGS: 3551 IEEE80211_LOCK(ic); 3552 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) { 3553 /* 3554 * Enable promiscuous mode when: 3555 * 1. Interface is not a member of bridge, or 3556 * 2. Requested by user, or 3557 * 3. In monitor (or adhoc-demo) mode. 3558 */ 3559 if (ifp->if_bridge == NULL || 3560 (ifp->if_flags & IFF_PPROMISC) != 0 || 3561 vap->iv_opmode == IEEE80211_M_MONITOR || 3562 (vap->iv_opmode == IEEE80211_M_AHDEMO && 3563 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) { 3564 ieee80211_promisc(vap, 3565 ifp->if_flags & IFF_PROMISC); 3566 vap->iv_ifflags ^= IFF_PROMISC; 3567 } 3568 } 3569 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) { 3570 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3571 vap->iv_ifflags ^= IFF_ALLMULTI; 3572 } 3573 if (ifp->if_flags & IFF_UP) { 3574 /* 3575 * Bring ourself up unless we're already operational. 3576 * If we're the first vap and the parent is not up 3577 * then it will automatically be brought up as a 3578 * side-effect of bringing ourself up. 3579 */ 3580 if (vap->iv_state == IEEE80211_S_INIT) { 3581 if (ic->ic_nrunning == 0) 3582 wait = 1; 3583 ieee80211_start_locked(vap); 3584 } 3585 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3586 /* 3587 * Stop ourself. If we are the last vap to be 3588 * marked down the parent will also be taken down. 3589 */ 3590 if (ic->ic_nrunning == 1) 3591 wait = 1; 3592 ieee80211_stop_locked(vap); 3593 } 3594 IEEE80211_UNLOCK(ic); 3595 /* Wait for parent ioctl handler if it was queued */ 3596 if (wait) { 3597 struct epoch_tracker et; 3598 3599 ieee80211_waitfor_parent(ic); 3600 3601 /* 3602 * Check if the MAC address was changed 3603 * via SIOCSIFLLADDR ioctl. 3604 * 3605 * NB: device may be detached during initialization; 3606 * use if_ioctl for existence check. 3607 */ 3608 NET_EPOCH_ENTER(et); 3609 if (ifp->if_ioctl == ieee80211_ioctl && 3610 (ifp->if_flags & IFF_UP) == 0 && 3611 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp))) 3612 IEEE80211_ADDR_COPY(vap->iv_myaddr, 3613 IF_LLADDR(ifp)); 3614 NET_EPOCH_EXIT(et); 3615 } 3616 break; 3617 case SIOCADDMULTI: 3618 case SIOCDELMULTI: 3619 ieee80211_runtask(ic, &ic->ic_mcast_task); 3620 break; 3621 case SIOCSIFMEDIA: 3622 case SIOCGIFMEDIA: 3623 ifr = (struct ifreq *)data; 3624 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3625 break; 3626 case SIOCG80211: 3627 error = ieee80211_ioctl_get80211(vap, cmd, 3628 (struct ieee80211req *) data); 3629 break; 3630 case SIOCS80211: 3631 error = ieee80211_priv_check_vap_manage(cmd, vap, ifp); 3632 if (error == 0) 3633 error = ieee80211_ioctl_set80211(vap, cmd, 3634 (struct ieee80211req *) data); 3635 break; 3636 case SIOCG80211STATS: 3637 ifr = (struct ifreq *)data; 3638 copyout(&vap->iv_stats, ifr_data_get_ptr(ifr), 3639 sizeof (vap->iv_stats)); 3640 break; 3641 case SIOCSIFMTU: 3642 ifr = (struct ifreq *)data; 3643 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3644 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3645 error = EINVAL; 3646 else 3647 ifp->if_mtu = ifr->ifr_mtu; 3648 break; 3649 case SIOCSIFADDR: 3650 /* 3651 * XXX Handle this directly so we can suppress if_init calls. 3652 * XXX This should be done in ether_ioctl but for the moment 3653 * XXX there are too many other parts of the system that 3654 * XXX set IFF_UP and so suppress if_init being called when 3655 * XXX it should be. 3656 */ 3657 ifa = (struct ifaddr *) data; 3658 switch (ifa->ifa_addr->sa_family) { 3659 #ifdef INET 3660 case AF_INET: 3661 if ((ifp->if_flags & IFF_UP) == 0) { 3662 ifp->if_flags |= IFF_UP; 3663 ifp->if_init(ifp->if_softc); 3664 } 3665 arp_ifinit(ifp, ifa); 3666 break; 3667 #endif 3668 default: 3669 if ((ifp->if_flags & IFF_UP) == 0) { 3670 ifp->if_flags |= IFF_UP; 3671 ifp->if_init(ifp->if_softc); 3672 } 3673 break; 3674 } 3675 break; 3676 case SIOCSIFLLADDR: 3677 error = ieee80211_priv_check_vap_setmac(cmd, vap, ifp); 3678 if (error == 0) 3679 break; 3680 /* Fallthrough */ 3681 default: 3682 /* 3683 * Pass unknown ioctls first to the driver, and if it 3684 * returns ENOTTY, then to the generic Ethernet handler. 3685 */ 3686 if (ic->ic_ioctl != NULL && 3687 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3688 break; 3689 error = ether_ioctl(ifp, cmd, data); 3690 break; 3691 } 3692 3693 if (ic_used) 3694 ieee80211_com_vdecref(vap); 3695 3696 return (error); 3697 } 3698