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