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 /* XXX TODO: move priv check to ieee80211_freebsd.c */ 110 if (priv_check(curthread, PRIV_NET80211_VAP_GETKEY) == 0) { 111 /* NB: only root can read key data */ 112 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 113 ik.ik_keytsc = wk->wk_keytsc; 114 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 115 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 116 memcpy(ik.ik_keydata+wk->wk_keylen, 117 wk->wk_key + IEEE80211_KEYBUF_SIZE, 118 IEEE80211_MICBUF_SIZE); 119 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 120 } 121 } else { 122 ik.ik_keyrsc = 0; 123 ik.ik_keytsc = 0; 124 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 125 } 126 if (ni != NULL) 127 ieee80211_free_node(ni); 128 return copyout(&ik, ireq->i_data, sizeof(ik)); 129 } 130 131 static int 132 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 133 { 134 struct ieee80211com *ic = vap->iv_ic; 135 136 if (sizeof(ic->ic_chan_active) < ireq->i_len) 137 ireq->i_len = sizeof(ic->ic_chan_active); 138 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 139 } 140 141 static int 142 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 143 { 144 struct ieee80211com *ic = vap->iv_ic; 145 uint32_t space; 146 147 space = __offsetof(struct ieee80211req_chaninfo, 148 ic_chans[ic->ic_nchans]); 149 if (space > ireq->i_len) 150 space = ireq->i_len; 151 /* XXX assumes compatible layout */ 152 return copyout(&ic->ic_nchans, ireq->i_data, space); 153 } 154 155 static int 156 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 157 struct ieee80211req *ireq, int req) 158 { 159 struct ieee80211_node *ni; 160 struct ieee80211req_wpaie2 *wpaie; 161 int error; 162 163 if (ireq->i_len < IEEE80211_ADDR_LEN) 164 return EINVAL; 165 wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP, 166 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 167 if (wpaie == NULL) 168 return ENOMEM; 169 error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN); 170 if (error != 0) 171 goto bad; 172 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr); 173 if (ni == NULL) { 174 error = ENOENT; 175 goto bad; 176 } 177 if (ni->ni_ies.wpa_ie != NULL) { 178 int ielen = ni->ni_ies.wpa_ie[1] + 2; 179 if (ielen > sizeof(wpaie->wpa_ie)) 180 ielen = sizeof(wpaie->wpa_ie); 181 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen); 182 } 183 if (req == IEEE80211_IOC_WPAIE2) { 184 if (ni->ni_ies.rsn_ie != NULL) { 185 int ielen = ni->ni_ies.rsn_ie[1] + 2; 186 if (ielen > sizeof(wpaie->rsn_ie)) 187 ielen = sizeof(wpaie->rsn_ie); 188 memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen); 189 } 190 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 191 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 192 } else { 193 /* compatibility op, may overwrite wpa ie */ 194 /* XXX check ic_flags? */ 195 if (ni->ni_ies.rsn_ie != NULL) { 196 int ielen = ni->ni_ies.rsn_ie[1] + 2; 197 if (ielen > sizeof(wpaie->wpa_ie)) 198 ielen = sizeof(wpaie->wpa_ie); 199 memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen); 200 } 201 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 202 ireq->i_len = sizeof(struct ieee80211req_wpaie); 203 } 204 ieee80211_free_node(ni); 205 error = copyout(wpaie, ireq->i_data, ireq->i_len); 206 bad: 207 IEEE80211_FREE(wpaie, M_TEMP); 208 return error; 209 } 210 211 static int 212 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 213 { 214 struct ieee80211_node *ni; 215 uint8_t macaddr[IEEE80211_ADDR_LEN]; 216 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats); 217 int error; 218 219 if (ireq->i_len < off) 220 return EINVAL; 221 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 222 if (error != 0) 223 return error; 224 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 225 if (ni == NULL) 226 return ENOENT; 227 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 228 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 229 /* NB: copy out only the statistics */ 230 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 231 ireq->i_len - off); 232 ieee80211_free_node(ni); 233 return error; 234 } 235 236 struct scanreq { 237 struct ieee80211req_scan_result *sr; 238 size_t space; 239 }; 240 241 static size_t 242 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 243 { 244 size_t len; 245 246 *ielen = se->se_ies.len; 247 /* 248 * NB: ie's can be no more than 255 bytes and the max 802.11 249 * packet is <3Kbytes so we are sure this doesn't overflow 250 * 16-bits; if this is a concern we can drop the ie's. 251 */ 252 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 253 se->se_meshid[1] + *ielen; 254 return roundup(len, sizeof(uint32_t)); 255 } 256 257 static void 258 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 259 { 260 struct scanreq *req = arg; 261 int ielen; 262 263 req->space += scan_space(se, &ielen); 264 } 265 266 static void 267 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 268 { 269 struct scanreq *req = arg; 270 struct ieee80211req_scan_result *sr; 271 int ielen, len, nr, nxr; 272 uint8_t *cp; 273 274 len = scan_space(se, &ielen); 275 if (len > req->space) 276 return; 277 278 sr = req->sr; 279 KASSERT(len <= 65535 && ielen <= 65535, 280 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 281 sr->isr_len = len; 282 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 283 sr->isr_ie_len = ielen; 284 sr->isr_freq = se->se_chan->ic_freq; 285 sr->isr_flags = se->se_chan->ic_flags; 286 sr->isr_rssi = se->se_rssi; 287 sr->isr_noise = se->se_noise; 288 sr->isr_intval = se->se_intval; 289 sr->isr_capinfo = se->se_capinfo; 290 sr->isr_erp = se->se_erp; 291 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 292 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 293 memcpy(sr->isr_rates, se->se_rates+2, nr); 294 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 295 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 296 sr->isr_nrates = nr + nxr; 297 298 /* copy SSID */ 299 sr->isr_ssid_len = se->se_ssid[1]; 300 cp = ((uint8_t *)sr) + sr->isr_ie_off; 301 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 302 303 /* copy mesh id */ 304 cp += sr->isr_ssid_len; 305 sr->isr_meshid_len = se->se_meshid[1]; 306 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 307 cp += sr->isr_meshid_len; 308 309 if (ielen) 310 memcpy(cp, se->se_ies.data, ielen); 311 312 req->space -= len; 313 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 314 } 315 316 static int 317 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 318 struct ieee80211req *ireq) 319 { 320 struct scanreq req; 321 int error; 322 323 if (ireq->i_len < sizeof(struct scanreq)) 324 return EFAULT; 325 326 error = 0; 327 req.space = 0; 328 ieee80211_scan_iterate(vap, get_scan_space, &req); 329 if (req.space > ireq->i_len) 330 req.space = ireq->i_len; 331 if (req.space > 0) { 332 uint32_t space; 333 void *p; 334 335 space = req.space; 336 /* XXX M_WAITOK after driver lock released */ 337 p = IEEE80211_MALLOC(space, M_TEMP, 338 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 339 if (p == NULL) 340 return ENOMEM; 341 req.sr = p; 342 ieee80211_scan_iterate(vap, get_scan_result, &req); 343 ireq->i_len = space - req.space; 344 error = copyout(p, ireq->i_data, ireq->i_len); 345 IEEE80211_FREE(p, M_TEMP); 346 } else 347 ireq->i_len = 0; 348 349 return error; 350 } 351 352 struct stainforeq { 353 struct ieee80211req_sta_info *si; 354 size_t space; 355 }; 356 357 static size_t 358 sta_space(const struct ieee80211_node *ni, size_t *ielen) 359 { 360 *ielen = ni->ni_ies.len; 361 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 362 sizeof(uint32_t)); 363 } 364 365 static void 366 get_sta_space(void *arg, struct ieee80211_node *ni) 367 { 368 struct stainforeq *req = arg; 369 size_t ielen; 370 371 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 372 ni->ni_associd == 0) /* only associated stations */ 373 return; 374 req->space += sta_space(ni, &ielen); 375 } 376 377 static void 378 get_sta_info(void *arg, struct ieee80211_node *ni) 379 { 380 struct stainforeq *req = arg; 381 struct ieee80211vap *vap = ni->ni_vap; 382 struct ieee80211req_sta_info *si; 383 size_t ielen, len; 384 uint8_t *cp; 385 386 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 387 ni->ni_associd == 0) /* only associated stations */ 388 return; 389 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 390 return; 391 len = sta_space(ni, &ielen); 392 if (len > req->space) 393 return; 394 si = req->si; 395 si->isi_len = len; 396 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 397 si->isi_ie_len = ielen; 398 si->isi_freq = ni->ni_chan->ic_freq; 399 si->isi_flags = ni->ni_chan->ic_flags; 400 si->isi_state = ni->ni_flags; 401 si->isi_authmode = ni->ni_authmode; 402 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 403 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 404 si->isi_capinfo = ni->ni_capinfo; 405 si->isi_erp = ni->ni_erp; 406 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 407 si->isi_nrates = ni->ni_rates.rs_nrates; 408 if (si->isi_nrates > 15) 409 si->isi_nrates = 15; 410 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 411 si->isi_txrate = ni->ni_txrate; 412 if (si->isi_txrate & IEEE80211_RATE_MCS) { 413 const struct ieee80211_mcs_rates *mcs = 414 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 415 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 416 if (ni->ni_flags & IEEE80211_NODE_SGI40) 417 si->isi_txmbps = mcs->ht40_rate_800ns; 418 else 419 si->isi_txmbps = mcs->ht40_rate_400ns; 420 } else { 421 if (ni->ni_flags & IEEE80211_NODE_SGI20) 422 si->isi_txmbps = mcs->ht20_rate_800ns; 423 else 424 si->isi_txmbps = mcs->ht20_rate_400ns; 425 } 426 } else 427 si->isi_txmbps = si->isi_txrate; 428 si->isi_associd = ni->ni_associd; 429 si->isi_txpower = ni->ni_txpower; 430 si->isi_vlan = ni->ni_vlan; 431 if (ni->ni_flags & IEEE80211_NODE_QOS) { 432 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 433 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 434 } else { 435 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 436 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 437 } 438 /* NB: leave all cases in case we relax ni_associd == 0 check */ 439 if (ieee80211_node_is_authorized(ni)) 440 si->isi_inact = vap->iv_inact_run; 441 else if (ni->ni_associd != 0 || 442 (vap->iv_opmode == IEEE80211_M_WDS && 443 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 444 si->isi_inact = vap->iv_inact_auth; 445 else 446 si->isi_inact = vap->iv_inact_init; 447 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 448 si->isi_localid = ni->ni_mllid; 449 si->isi_peerid = ni->ni_mlpid; 450 si->isi_peerstate = ni->ni_mlstate; 451 452 if (ielen) { 453 cp = ((uint8_t *)si) + si->isi_ie_off; 454 memcpy(cp, ni->ni_ies.data, ielen); 455 } 456 457 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 458 req->space -= len; 459 } 460 461 static int 462 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 463 struct ieee80211_node *ni, size_t off) 464 { 465 struct ieee80211com *ic = vap->iv_ic; 466 struct stainforeq req; 467 size_t space; 468 void *p; 469 int error; 470 471 error = 0; 472 req.space = 0; 473 if (ni == NULL) { 474 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_sta_space, 475 &req); 476 } else 477 get_sta_space(&req, ni); 478 if (req.space > ireq->i_len) 479 req.space = ireq->i_len; 480 if (req.space > 0) { 481 space = req.space; 482 /* XXX M_WAITOK after driver lock released */ 483 p = IEEE80211_MALLOC(space, M_TEMP, 484 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 485 if (p == NULL) { 486 error = ENOMEM; 487 goto bad; 488 } 489 req.si = p; 490 if (ni == NULL) { 491 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, 492 get_sta_info, &req); 493 } else 494 get_sta_info(&req, ni); 495 ireq->i_len = space - req.space; 496 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 497 IEEE80211_FREE(p, M_TEMP); 498 } else 499 ireq->i_len = 0; 500 bad: 501 if (ni != NULL) 502 ieee80211_free_node(ni); 503 return error; 504 } 505 506 static int 507 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 508 { 509 uint8_t macaddr[IEEE80211_ADDR_LEN]; 510 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 511 struct ieee80211_node *ni; 512 int error; 513 514 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 515 return EFAULT; 516 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 517 if (error != 0) 518 return error; 519 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 520 ni = NULL; 521 } else { 522 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 523 if (ni == NULL) 524 return ENOENT; 525 } 526 return getstainfo_common(vap, ireq, ni, off); 527 } 528 529 static int 530 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 531 { 532 struct ieee80211_node *ni; 533 struct ieee80211req_sta_txpow txpow; 534 int error; 535 536 if (ireq->i_len != sizeof(txpow)) 537 return EINVAL; 538 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 539 if (error != 0) 540 return error; 541 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 542 if (ni == NULL) 543 return ENOENT; 544 txpow.it_txpow = ni->ni_txpower; 545 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 546 ieee80211_free_node(ni); 547 return error; 548 } 549 550 static int 551 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 552 { 553 struct ieee80211com *ic = vap->iv_ic; 554 struct ieee80211_wme_state *wme = &ic->ic_wme; 555 struct wmeParams *wmep; 556 int ac; 557 558 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 559 return EINVAL; 560 561 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 562 if (ac >= WME_NUM_AC) 563 ac = WME_AC_BE; 564 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 565 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 566 else 567 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 568 switch (ireq->i_type) { 569 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 570 ireq->i_val = wmep->wmep_logcwmin; 571 break; 572 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 573 ireq->i_val = wmep->wmep_logcwmax; 574 break; 575 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 576 ireq->i_val = wmep->wmep_aifsn; 577 break; 578 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 579 ireq->i_val = wmep->wmep_txopLimit; 580 break; 581 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 582 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 583 ireq->i_val = wmep->wmep_acm; 584 break; 585 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 586 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 587 ireq->i_val = !wmep->wmep_noackPolicy; 588 break; 589 } 590 return 0; 591 } 592 593 static int 594 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 595 { 596 const struct ieee80211_aclator *acl = vap->iv_acl; 597 598 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 599 } 600 601 static int 602 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 603 { 604 struct ieee80211com *ic = vap->iv_ic; 605 struct ieee80211_channel *c; 606 607 if (ireq->i_len != sizeof(struct ieee80211_channel)) 608 return EINVAL; 609 /* 610 * vap's may have different operating channels when HT is 611 * in use. When in RUN state report the vap-specific channel. 612 * Otherwise return curchan. 613 */ 614 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 615 c = vap->iv_bss->ni_chan; 616 else 617 c = ic->ic_curchan; 618 return copyout(c, ireq->i_data, sizeof(*c)); 619 } 620 621 static int 622 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 623 { 624 if (aie == NULL) 625 return EINVAL; 626 /* NB: truncate, caller can check length */ 627 if (ireq->i_len > aie->ie_len) 628 ireq->i_len = aie->ie_len; 629 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 630 } 631 632 static int 633 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 634 { 635 uint8_t fc0; 636 637 fc0 = ireq->i_val & 0xff; 638 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 639 return EINVAL; 640 /* NB: could check iv_opmode and reject but hardly worth the effort */ 641 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 642 case IEEE80211_FC0_SUBTYPE_BEACON: 643 return getappie(vap->iv_appie_beacon, ireq); 644 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 645 return getappie(vap->iv_appie_proberesp, ireq); 646 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 647 return getappie(vap->iv_appie_assocresp, ireq); 648 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 649 return getappie(vap->iv_appie_probereq, ireq); 650 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 651 return getappie(vap->iv_appie_assocreq, ireq); 652 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 653 return getappie(vap->iv_appie_wpa, ireq); 654 } 655 return EINVAL; 656 } 657 658 static int 659 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 660 const struct ieee80211req *ireq) 661 { 662 struct ieee80211com *ic = vap->iv_ic; 663 664 if (ireq->i_len != sizeof(ic->ic_regdomain)) 665 return EINVAL; 666 return copyout(&ic->ic_regdomain, ireq->i_data, 667 sizeof(ic->ic_regdomain)); 668 } 669 670 static int 671 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 672 const struct ieee80211req *ireq) 673 { 674 size_t len = ireq->i_len; 675 /* NB: accept short requests for backwards compat */ 676 if (len > sizeof(vap->iv_roamparms)) 677 len = sizeof(vap->iv_roamparms); 678 return copyout(vap->iv_roamparms, ireq->i_data, len); 679 } 680 681 static int 682 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 683 const struct ieee80211req *ireq) 684 { 685 size_t len = ireq->i_len; 686 /* NB: accept short requests for backwards compat */ 687 if (len > sizeof(vap->iv_txparms)) 688 len = sizeof(vap->iv_txparms); 689 return copyout(vap->iv_txparms, ireq->i_data, len); 690 } 691 692 static int 693 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 694 const struct ieee80211req *ireq) 695 { 696 struct ieee80211_devcaps_req *dc; 697 struct ieee80211req_chaninfo *ci; 698 int maxchans, error; 699 700 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 701 sizeof(struct ieee80211_channel)); 702 /* NB: require 1 so we know ic_nchans is accessible */ 703 if (maxchans < 1) 704 return EINVAL; 705 /* constrain max request size, 2K channels is ~24Kbytes */ 706 if (maxchans > 2048) 707 maxchans = 2048; 708 dc = (struct ieee80211_devcaps_req *) 709 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, 710 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 711 if (dc == NULL) 712 return ENOMEM; 713 dc->dc_drivercaps = ic->ic_caps; 714 dc->dc_cryptocaps = ic->ic_cryptocaps; 715 dc->dc_htcaps = ic->ic_htcaps; 716 dc->dc_vhtcaps = ic->ic_vhtcaps; 717 ci = &dc->dc_chaninfo; 718 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 719 KASSERT(ci->ic_nchans <= maxchans, 720 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 721 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 722 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 723 IEEE80211_FREE(dc, M_TEMP); 724 return error; 725 } 726 727 static int 728 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 729 { 730 struct ieee80211_node *ni; 731 struct ieee80211req_sta_vlan vlan; 732 int error; 733 734 if (ireq->i_len != sizeof(vlan)) 735 return EINVAL; 736 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 737 if (error != 0) 738 return error; 739 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 740 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 741 vlan.sv_macaddr); 742 if (ni == NULL) 743 return ENOENT; 744 } else 745 ni = ieee80211_ref_node(vap->iv_bss); 746 vlan.sv_vlan = ni->ni_vlan; 747 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 748 ieee80211_free_node(ni); 749 return error; 750 } 751 752 /* 753 * Dummy ioctl get handler so the linker set is defined. 754 */ 755 static int 756 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 757 { 758 return ENOSYS; 759 } 760 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 761 762 static int 763 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 764 { 765 ieee80211_ioctl_getfunc * const *get; 766 int error; 767 768 SET_FOREACH(get, ieee80211_ioctl_getset) { 769 error = (*get)(vap, ireq); 770 if (error != ENOSYS) 771 return error; 772 } 773 return EINVAL; 774 } 775 776 static int 777 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 778 struct ieee80211req *ireq) 779 { 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_IC_NAME: 788 len = strlen(ic->ic_name) + 1; 789 if (len > ireq->i_len) 790 return (EINVAL); 791 ireq->i_len = len; 792 error = copyout(ic->ic_name, ireq->i_data, ireq->i_len); 793 break; 794 case IEEE80211_IOC_SSID: 795 switch (vap->iv_state) { 796 case IEEE80211_S_INIT: 797 case IEEE80211_S_SCAN: 798 ireq->i_len = vap->iv_des_ssid[0].len; 799 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 800 break; 801 default: 802 ireq->i_len = vap->iv_bss->ni_esslen; 803 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 804 break; 805 } 806 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 807 break; 808 case IEEE80211_IOC_NUMSSIDS: 809 ireq->i_val = 1; 810 break; 811 case IEEE80211_IOC_WEP: 812 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 813 ireq->i_val = IEEE80211_WEP_OFF; 814 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 815 ireq->i_val = IEEE80211_WEP_ON; 816 else 817 ireq->i_val = IEEE80211_WEP_MIXED; 818 break; 819 case IEEE80211_IOC_WEPKEY: 820 kid = (u_int) ireq->i_val; 821 if (kid >= IEEE80211_WEP_NKID) 822 return EINVAL; 823 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 824 /* NB: only root can read WEP keys */ 825 /* XXX TODO: move priv check to ieee80211_freebsd.c */ 826 if (priv_check(curthread, PRIV_NET80211_VAP_GETKEY) == 0) { 827 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 828 } else { 829 bzero(tmpkey, len); 830 } 831 ireq->i_len = len; 832 error = copyout(tmpkey, ireq->i_data, len); 833 break; 834 case IEEE80211_IOC_NUMWEPKEYS: 835 ireq->i_val = IEEE80211_WEP_NKID; 836 break; 837 case IEEE80211_IOC_WEPTXKEY: 838 ireq->i_val = vap->iv_def_txkey; 839 break; 840 case IEEE80211_IOC_AUTHMODE: 841 if (vap->iv_flags & IEEE80211_F_WPA) 842 ireq->i_val = IEEE80211_AUTH_WPA; 843 else 844 ireq->i_val = vap->iv_bss->ni_authmode; 845 break; 846 case IEEE80211_IOC_CHANNEL: 847 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 848 break; 849 case IEEE80211_IOC_POWERSAVE: 850 if (vap->iv_flags & IEEE80211_F_PMGTON) 851 ireq->i_val = IEEE80211_POWERSAVE_ON; 852 else 853 ireq->i_val = IEEE80211_POWERSAVE_OFF; 854 break; 855 case IEEE80211_IOC_POWERSAVESLEEP: 856 ireq->i_val = ic->ic_lintval; 857 break; 858 case IEEE80211_IOC_RTSTHRESHOLD: 859 ireq->i_val = vap->iv_rtsthreshold; 860 break; 861 case IEEE80211_IOC_PROTMODE: 862 ireq->i_val = vap->iv_protmode; 863 break; 864 case IEEE80211_IOC_TXPOWER: 865 /* 866 * Tx power limit is the min of max regulatory 867 * power, any user-set limit, and the max the 868 * radio can do. 869 * 870 * TODO: methodize this 871 */ 872 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 873 if (ireq->i_val > ic->ic_txpowlimit) 874 ireq->i_val = ic->ic_txpowlimit; 875 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 876 ireq->i_val = ic->ic_curchan->ic_maxpower; 877 break; 878 case IEEE80211_IOC_WPA: 879 switch (vap->iv_flags & IEEE80211_F_WPA) { 880 case IEEE80211_F_WPA1: 881 ireq->i_val = 1; 882 break; 883 case IEEE80211_F_WPA2: 884 ireq->i_val = 2; 885 break; 886 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 887 ireq->i_val = 3; 888 break; 889 default: 890 ireq->i_val = 0; 891 break; 892 } 893 break; 894 case IEEE80211_IOC_CHANLIST: 895 error = ieee80211_ioctl_getchanlist(vap, ireq); 896 break; 897 case IEEE80211_IOC_ROAMING: 898 ireq->i_val = vap->iv_roaming; 899 break; 900 case IEEE80211_IOC_PRIVACY: 901 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 902 break; 903 case IEEE80211_IOC_DROPUNENCRYPTED: 904 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 905 break; 906 case IEEE80211_IOC_COUNTERMEASURES: 907 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 908 break; 909 case IEEE80211_IOC_WME: 910 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 911 break; 912 case IEEE80211_IOC_HIDESSID: 913 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 914 break; 915 case IEEE80211_IOC_APBRIDGE: 916 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 917 break; 918 case IEEE80211_IOC_WPAKEY: 919 error = ieee80211_ioctl_getkey(vap, ireq); 920 break; 921 case IEEE80211_IOC_CHANINFO: 922 error = ieee80211_ioctl_getchaninfo(vap, ireq); 923 break; 924 case IEEE80211_IOC_BSSID: 925 if (ireq->i_len != IEEE80211_ADDR_LEN) 926 return EINVAL; 927 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 928 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 929 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 930 ireq->i_data, ireq->i_len); 931 } else 932 error = copyout(vap->iv_des_bssid, ireq->i_data, 933 ireq->i_len); 934 break; 935 case IEEE80211_IOC_WPAIE: 936 case IEEE80211_IOC_WPAIE2: 937 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 938 break; 939 case IEEE80211_IOC_SCAN_RESULTS: 940 error = ieee80211_ioctl_getscanresults(vap, ireq); 941 break; 942 case IEEE80211_IOC_STA_STATS: 943 error = ieee80211_ioctl_getstastats(vap, ireq); 944 break; 945 case IEEE80211_IOC_TXPOWMAX: 946 ireq->i_val = vap->iv_bss->ni_txpower; 947 break; 948 case IEEE80211_IOC_STA_TXPOW: 949 error = ieee80211_ioctl_getstatxpow(vap, ireq); 950 break; 951 case IEEE80211_IOC_STA_INFO: 952 error = ieee80211_ioctl_getstainfo(vap, ireq); 953 break; 954 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 955 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 956 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 957 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 958 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 959 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 960 error = ieee80211_ioctl_getwmeparam(vap, ireq); 961 break; 962 case IEEE80211_IOC_DTIM_PERIOD: 963 ireq->i_val = vap->iv_dtim_period; 964 break; 965 case IEEE80211_IOC_BEACON_INTERVAL: 966 /* NB: get from ic_bss for station mode */ 967 ireq->i_val = vap->iv_bss->ni_intval; 968 break; 969 case IEEE80211_IOC_PUREG: 970 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 971 break; 972 case IEEE80211_IOC_QUIET: 973 ireq->i_val = vap->iv_quiet; 974 break; 975 case IEEE80211_IOC_QUIET_COUNT: 976 ireq->i_val = vap->iv_quiet_count; 977 break; 978 case IEEE80211_IOC_QUIET_PERIOD: 979 ireq->i_val = vap->iv_quiet_period; 980 break; 981 case IEEE80211_IOC_QUIET_DUR: 982 ireq->i_val = vap->iv_quiet_duration; 983 break; 984 case IEEE80211_IOC_QUIET_OFFSET: 985 ireq->i_val = vap->iv_quiet_offset; 986 break; 987 case IEEE80211_IOC_BGSCAN: 988 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 989 break; 990 case IEEE80211_IOC_BGSCAN_IDLE: 991 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 992 break; 993 case IEEE80211_IOC_BGSCAN_INTERVAL: 994 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 995 break; 996 case IEEE80211_IOC_SCANVALID: 997 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 998 break; 999 case IEEE80211_IOC_FRAGTHRESHOLD: 1000 ireq->i_val = vap->iv_fragthreshold; 1001 break; 1002 case IEEE80211_IOC_MACCMD: 1003 error = ieee80211_ioctl_getmaccmd(vap, ireq); 1004 break; 1005 case IEEE80211_IOC_BURST: 1006 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 1007 break; 1008 case IEEE80211_IOC_BMISSTHRESHOLD: 1009 ireq->i_val = vap->iv_bmissthreshold; 1010 break; 1011 case IEEE80211_IOC_CURCHAN: 1012 error = ieee80211_ioctl_getcurchan(vap, ireq); 1013 break; 1014 case IEEE80211_IOC_SHORTGI: 1015 ireq->i_val = 0; 1016 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1017 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1018 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1019 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1020 break; 1021 case IEEE80211_IOC_AMPDU: 1022 ireq->i_val = 0; 1023 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1024 ireq->i_val |= 1; 1025 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1026 ireq->i_val |= 2; 1027 break; 1028 case IEEE80211_IOC_AMPDU_LIMIT: 1029 /* XXX TODO: make this a per-node thing; and leave this as global */ 1030 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1031 ireq->i_val = vap->iv_ampdu_rxmax; 1032 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1033 /* 1034 * XXX TODO: this isn't completely correct, as we've 1035 * negotiated the higher of the two. 1036 */ 1037 ireq->i_val = _IEEE80211_MASKSHIFT( vap->iv_bss->ni_htparam, 1038 IEEE80211_HTCAP_MAXRXAMPDU); 1039 else 1040 ireq->i_val = vap->iv_ampdu_limit; 1041 break; 1042 case IEEE80211_IOC_AMPDU_DENSITY: 1043 /* XXX TODO: make this a per-node thing; and leave this as global */ 1044 if (vap->iv_opmode == IEEE80211_M_STA && 1045 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1046 /* 1047 * XXX TODO: this isn't completely correct, as we've 1048 * negotiated the higher of the two. 1049 */ 1050 ireq->i_val = _IEEE80211_MASKSHIFT(vap->iv_bss->ni_htparam, 1051 IEEE80211_HTCAP_MPDUDENSITY); 1052 else 1053 ireq->i_val = vap->iv_ampdu_density; 1054 break; 1055 case IEEE80211_IOC_AMSDU: 1056 ireq->i_val = 0; 1057 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1058 ireq->i_val |= 1; 1059 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1060 ireq->i_val |= 2; 1061 break; 1062 case IEEE80211_IOC_AMSDU_LIMIT: 1063 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1064 break; 1065 case IEEE80211_IOC_PUREN: 1066 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1067 break; 1068 case IEEE80211_IOC_DOTH: 1069 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1070 break; 1071 case IEEE80211_IOC_REGDOMAIN: 1072 error = ieee80211_ioctl_getregdomain(vap, ireq); 1073 break; 1074 case IEEE80211_IOC_ROAM: 1075 error = ieee80211_ioctl_getroam(vap, ireq); 1076 break; 1077 case IEEE80211_IOC_TXPARAMS: 1078 error = ieee80211_ioctl_gettxparams(vap, ireq); 1079 break; 1080 case IEEE80211_IOC_HTCOMPAT: 1081 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1082 break; 1083 case IEEE80211_IOC_DWDS: 1084 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1085 break; 1086 case IEEE80211_IOC_INACTIVITY: 1087 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1088 break; 1089 case IEEE80211_IOC_APPIE: 1090 error = ieee80211_ioctl_getappie(vap, ireq); 1091 break; 1092 case IEEE80211_IOC_WPS: 1093 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1094 break; 1095 case IEEE80211_IOC_TSN: 1096 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1097 break; 1098 case IEEE80211_IOC_DFS: 1099 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1100 break; 1101 case IEEE80211_IOC_DOTD: 1102 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1103 break; 1104 case IEEE80211_IOC_DEVCAPS: 1105 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1106 break; 1107 case IEEE80211_IOC_HTPROTMODE: 1108 ireq->i_val = vap->iv_htprotmode; 1109 break; 1110 case IEEE80211_IOC_HTCONF: 1111 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1112 ireq->i_val = 1; 1113 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1114 ireq->i_val |= 2; 1115 } else 1116 ireq->i_val = 0; 1117 break; 1118 case IEEE80211_IOC_STA_VLAN: 1119 error = ieee80211_ioctl_getstavlan(vap, ireq); 1120 break; 1121 case IEEE80211_IOC_SMPS: 1122 if (vap->iv_opmode == IEEE80211_M_STA && 1123 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1124 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1125 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1126 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1127 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1128 else 1129 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1130 } else 1131 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1132 break; 1133 case IEEE80211_IOC_RIFS: 1134 if (vap->iv_opmode == IEEE80211_M_STA && 1135 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1136 ireq->i_val = 1137 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1138 else 1139 ireq->i_val = 1140 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1141 break; 1142 case IEEE80211_IOC_STBC: 1143 ireq->i_val = 0; 1144 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX) 1145 ireq->i_val |= 1; 1146 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) 1147 ireq->i_val |= 2; 1148 break; 1149 case IEEE80211_IOC_LDPC: 1150 ireq->i_val = 0; 1151 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_TX) 1152 ireq->i_val |= 1; 1153 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_RX) 1154 ireq->i_val |= 2; 1155 break; 1156 case IEEE80211_IOC_UAPSD: 1157 ireq->i_val = 0; 1158 if (vap->iv_flags_ext & IEEE80211_FEXT_UAPSD) 1159 ireq->i_val = 1; 1160 break; 1161 case IEEE80211_IOC_VHTCONF: 1162 ireq->i_val = vap->iv_flags_vht & IEEE80211_FVHT_MASK; 1163 break; 1164 default: 1165 error = ieee80211_ioctl_getdefault(vap, ireq); 1166 break; 1167 } 1168 return error; 1169 } 1170 1171 static int 1172 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1173 { 1174 struct ieee80211req_key ik; 1175 struct ieee80211_node *ni; 1176 struct ieee80211_key *wk; 1177 uint16_t kid; 1178 int error, i; 1179 1180 if (ireq->i_len != sizeof(ik)) 1181 return EINVAL; 1182 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1183 if (error) 1184 return error; 1185 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1186 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1187 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1188 return E2BIG; 1189 kid = ik.ik_keyix; 1190 if (kid == IEEE80211_KEYIX_NONE) { 1191 /* XXX unicast keys currently must be tx/rx */ 1192 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1193 return EINVAL; 1194 if (vap->iv_opmode == IEEE80211_M_STA) { 1195 ni = ieee80211_ref_node(vap->iv_bss); 1196 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1197 ieee80211_free_node(ni); 1198 return EADDRNOTAVAIL; 1199 } 1200 } else { 1201 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1202 ik.ik_macaddr); 1203 if (ni == NULL) 1204 return ENOENT; 1205 } 1206 wk = &ni->ni_ucastkey; 1207 } else { 1208 if (kid >= IEEE80211_WEP_NKID) 1209 return EINVAL; 1210 wk = &vap->iv_nw_keys[kid]; 1211 /* 1212 * Global slots start off w/o any assigned key index. 1213 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1214 */ 1215 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1216 wk->wk_keyix = kid; 1217 ni = NULL; 1218 } 1219 error = 0; 1220 ieee80211_key_update_begin(vap); 1221 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1222 wk->wk_keylen = ik.ik_keylen; 1223 /* NB: MIC presence is implied by cipher type */ 1224 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1225 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1226 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1227 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1228 wk->wk_keytsc = 0; /* new key, reset */ 1229 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1230 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1231 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1232 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1233 if (!ieee80211_crypto_setkey(vap, wk)) 1234 error = EIO; 1235 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1236 /* 1237 * Inform the driver that this is the default 1238 * transmit key. Now, ideally we'd just set 1239 * a flag in the key update that would 1240 * say "yes, we're the default key", but 1241 * that currently isn't the way the ioctl -> 1242 * key interface works. 1243 */ 1244 ieee80211_crypto_set_deftxkey(vap, kid); 1245 } else 1246 error = ENXIO; 1247 ieee80211_key_update_end(vap); 1248 if (ni != NULL) 1249 ieee80211_free_node(ni); 1250 return error; 1251 } 1252 1253 static int 1254 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1255 { 1256 struct ieee80211req_del_key dk; 1257 int kid, error; 1258 1259 if (ireq->i_len != sizeof(dk)) 1260 return EINVAL; 1261 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1262 if (error) 1263 return error; 1264 kid = dk.idk_keyix; 1265 /* XXX uint8_t -> uint16_t */ 1266 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1267 struct ieee80211_node *ni; 1268 1269 if (vap->iv_opmode == IEEE80211_M_STA) { 1270 ni = ieee80211_ref_node(vap->iv_bss); 1271 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1272 ieee80211_free_node(ni); 1273 return EADDRNOTAVAIL; 1274 } 1275 } else { 1276 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1277 dk.idk_macaddr); 1278 if (ni == NULL) 1279 return ENOENT; 1280 } 1281 /* XXX error return */ 1282 ieee80211_node_delucastkey(ni); 1283 ieee80211_free_node(ni); 1284 } else { 1285 if (kid >= IEEE80211_WEP_NKID) 1286 return EINVAL; 1287 /* XXX error return */ 1288 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1289 } 1290 return 0; 1291 } 1292 1293 struct mlmeop { 1294 struct ieee80211vap *vap; 1295 int op; 1296 int reason; 1297 }; 1298 1299 static void 1300 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1301 int op, int reason) 1302 { 1303 #ifdef IEEE80211_DEBUG 1304 static const struct { 1305 int mask; 1306 const char *opstr; 1307 } ops[] = { 1308 { 0, "op#0" }, 1309 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1310 IEEE80211_MSG_ASSOC, "assoc" }, 1311 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1312 IEEE80211_MSG_ASSOC, "disassoc" }, 1313 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1314 IEEE80211_MSG_AUTH, "deauth" }, 1315 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1316 IEEE80211_MSG_AUTH, "authorize" }, 1317 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1318 IEEE80211_MSG_AUTH, "unauthorize" }, 1319 }; 1320 1321 if (op == IEEE80211_MLME_AUTH) { 1322 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1323 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1324 "station authenticate %s via MLME (reason: %d (%s))", 1325 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1326 reason, ieee80211_reason_to_string(reason)); 1327 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1328 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1329 "unknown MLME request %d (reason: %d (%s))", op, reason, 1330 ieee80211_reason_to_string(reason)); 1331 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1332 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1333 "station %s via MLME", ops[op].opstr); 1334 } else { 1335 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1336 "station %s via MLME (reason: %d (%s))", ops[op].opstr, 1337 reason, ieee80211_reason_to_string(reason)); 1338 } 1339 #endif /* IEEE80211_DEBUG */ 1340 } 1341 1342 static void 1343 domlme(void *arg, struct ieee80211_node *ni) 1344 { 1345 struct mlmeop *mop = arg; 1346 struct ieee80211vap *vap = ni->ni_vap; 1347 1348 if (vap != mop->vap) 1349 return; 1350 /* 1351 * NB: if ni_associd is zero then the node is already cleaned 1352 * up and we don't need to do this (we're safely holding a 1353 * reference but should otherwise not modify it's state). 1354 */ 1355 if (ni->ni_associd == 0) 1356 return; 1357 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1358 if (mop->op == IEEE80211_MLME_DEAUTH) { 1359 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1360 mop->reason); 1361 } else { 1362 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1363 mop->reason); 1364 } 1365 ieee80211_node_leave(ni); 1366 } 1367 1368 static int 1369 setmlme_dropsta(struct ieee80211vap *vap, 1370 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1371 { 1372 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1373 struct ieee80211_node *ni; 1374 int error = 0; 1375 1376 /* NB: the broadcast address means do 'em all */ 1377 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1378 IEEE80211_NODE_LOCK(nt); 1379 ni = ieee80211_find_node_locked(nt, mac); 1380 IEEE80211_NODE_UNLOCK(nt); 1381 /* 1382 * Don't do the node update inside the node 1383 * table lock. This unfortunately causes LORs 1384 * with drivers and their TX paths. 1385 */ 1386 if (ni != NULL) { 1387 domlme(mlmeop, ni); 1388 ieee80211_free_node(ni); 1389 } else 1390 error = ENOENT; 1391 } else { 1392 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1393 } 1394 return error; 1395 } 1396 1397 static int 1398 setmlme_common(struct ieee80211vap *vap, int op, 1399 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1400 { 1401 struct ieee80211com *ic = vap->iv_ic; 1402 struct ieee80211_node_table *nt = &ic->ic_sta; 1403 struct ieee80211_node *ni; 1404 struct mlmeop mlmeop; 1405 int error; 1406 1407 error = 0; 1408 switch (op) { 1409 case IEEE80211_MLME_DISASSOC: 1410 case IEEE80211_MLME_DEAUTH: 1411 switch (vap->iv_opmode) { 1412 case IEEE80211_M_STA: 1413 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1414 /* XXX not quite right */ 1415 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1416 break; 1417 case IEEE80211_M_HOSTAP: 1418 mlmeop.vap = vap; 1419 mlmeop.op = op; 1420 mlmeop.reason = reason; 1421 error = setmlme_dropsta(vap, mac, &mlmeop); 1422 break; 1423 case IEEE80211_M_WDS: 1424 /* XXX user app should send raw frame? */ 1425 if (op != IEEE80211_MLME_DEAUTH) { 1426 error = EINVAL; 1427 break; 1428 } 1429 #if 0 1430 /* XXX accept any address, simplifies user code */ 1431 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1432 error = EINVAL; 1433 break; 1434 } 1435 #endif 1436 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1437 ni = ieee80211_ref_node(vap->iv_bss); 1438 IEEE80211_SEND_MGMT(ni, 1439 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1440 ieee80211_free_node(ni); 1441 break; 1442 case IEEE80211_M_MBSS: 1443 IEEE80211_NODE_LOCK(nt); 1444 ni = ieee80211_find_node_locked(nt, mac); 1445 /* 1446 * Don't do the node update inside the node 1447 * table lock. This unfortunately causes LORs 1448 * with drivers and their TX paths. 1449 */ 1450 IEEE80211_NODE_UNLOCK(nt); 1451 if (ni != NULL) { 1452 ieee80211_node_leave(ni); 1453 ieee80211_free_node(ni); 1454 } else { 1455 error = ENOENT; 1456 } 1457 break; 1458 default: 1459 error = EINVAL; 1460 break; 1461 } 1462 break; 1463 case IEEE80211_MLME_AUTHORIZE: 1464 case IEEE80211_MLME_UNAUTHORIZE: 1465 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1466 vap->iv_opmode != IEEE80211_M_WDS) { 1467 error = EINVAL; 1468 break; 1469 } 1470 IEEE80211_NODE_LOCK(nt); 1471 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1472 /* 1473 * Don't do the node update inside the node 1474 * table lock. This unfortunately causes LORs 1475 * with drivers and their TX paths. 1476 */ 1477 IEEE80211_NODE_UNLOCK(nt); 1478 if (ni != NULL) { 1479 mlmedebug(vap, mac, op, reason); 1480 if (op == IEEE80211_MLME_AUTHORIZE) 1481 ieee80211_node_authorize(ni); 1482 else 1483 ieee80211_node_unauthorize(ni); 1484 ieee80211_free_node(ni); 1485 } else 1486 error = ENOENT; 1487 break; 1488 case IEEE80211_MLME_AUTH: 1489 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1490 error = EINVAL; 1491 break; 1492 } 1493 IEEE80211_NODE_LOCK(nt); 1494 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1495 /* 1496 * Don't do the node update inside the node 1497 * table lock. This unfortunately causes LORs 1498 * with drivers and their TX paths. 1499 */ 1500 IEEE80211_NODE_UNLOCK(nt); 1501 if (ni != NULL) { 1502 mlmedebug(vap, mac, op, reason); 1503 if (reason == IEEE80211_STATUS_SUCCESS) { 1504 IEEE80211_SEND_MGMT(ni, 1505 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1506 /* 1507 * For shared key auth, just continue the 1508 * exchange. Otherwise when 802.1x is not in 1509 * use mark the port authorized at this point 1510 * so traffic can flow. 1511 */ 1512 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1513 ni->ni_challenge == NULL) 1514 ieee80211_node_authorize(ni); 1515 } else { 1516 vap->iv_stats.is_rx_acl++; 1517 ieee80211_send_error(ni, ni->ni_macaddr, 1518 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1519 ieee80211_node_leave(ni); 1520 } 1521 ieee80211_free_node(ni); 1522 } else 1523 error = ENOENT; 1524 break; 1525 default: 1526 error = EINVAL; 1527 break; 1528 } 1529 return error; 1530 } 1531 1532 struct scanlookup { 1533 const uint8_t *mac; 1534 int esslen; 1535 const uint8_t *essid; 1536 const struct ieee80211_scan_entry *se; 1537 }; 1538 1539 /* 1540 * Match mac address and any ssid. 1541 */ 1542 static void 1543 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1544 { 1545 struct scanlookup *look = arg; 1546 1547 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1548 return; 1549 if (look->esslen != 0) { 1550 if (se->se_ssid[1] != look->esslen) 1551 return; 1552 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1553 return; 1554 } 1555 look->se = se; 1556 } 1557 1558 static int 1559 setmlme_assoc_sta(struct ieee80211vap *vap, 1560 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1561 const uint8_t ssid[IEEE80211_NWID_LEN]) 1562 { 1563 struct scanlookup lookup; 1564 1565 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1566 ("expected opmode STA not %s", 1567 ieee80211_opmode_name[vap->iv_opmode])); 1568 1569 /* NB: this is racey if roaming is !manual */ 1570 lookup.se = NULL; 1571 lookup.mac = mac; 1572 lookup.esslen = ssid_len; 1573 lookup.essid = ssid; 1574 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1575 if (lookup.se == NULL) 1576 return ENOENT; 1577 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1578 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1579 return EIO; /* XXX unique but could be better */ 1580 return 0; 1581 } 1582 1583 static int 1584 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1585 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1586 const uint8_t ssid[IEEE80211_NWID_LEN]) 1587 { 1588 struct ieee80211_scan_req *sr; 1589 int error; 1590 1591 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1592 vap->iv_opmode == IEEE80211_M_AHDEMO, 1593 ("expected opmode IBSS or AHDEMO not %s", 1594 ieee80211_opmode_name[vap->iv_opmode])); 1595 1596 if (ssid_len == 0) 1597 return EINVAL; 1598 1599 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1600 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1601 if (sr == NULL) 1602 return ENOMEM; 1603 1604 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1605 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1606 vap->iv_des_ssid[0].len = ssid_len; 1607 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1608 vap->iv_des_nssid = 1; 1609 1610 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1611 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1612 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1613 sr->sr_ssid[0].len = ssid_len; 1614 sr->sr_nssid = 1; 1615 1616 error = ieee80211_scanreq(vap, sr); 1617 1618 IEEE80211_FREE(sr, M_TEMP); 1619 return error; 1620 } 1621 1622 static int 1623 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1624 { 1625 struct ieee80211req_mlme mlme; 1626 int error; 1627 1628 if (ireq->i_len != sizeof(mlme)) 1629 return EINVAL; 1630 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1631 if (error) 1632 return error; 1633 if (vap->iv_opmode == IEEE80211_M_STA && 1634 mlme.im_op == IEEE80211_MLME_ASSOC) 1635 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1636 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1637 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1638 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1639 mlme.im_op == IEEE80211_MLME_ASSOC) 1640 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1641 mlme.im_ssid_len, mlme.im_ssid); 1642 else 1643 return setmlme_common(vap, mlme.im_op, 1644 mlme.im_macaddr, mlme.im_reason); 1645 } 1646 1647 static int 1648 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1649 { 1650 uint8_t mac[IEEE80211_ADDR_LEN]; 1651 const struct ieee80211_aclator *acl = vap->iv_acl; 1652 int error; 1653 1654 if (ireq->i_len != sizeof(mac)) 1655 return EINVAL; 1656 error = copyin(ireq->i_data, mac, ireq->i_len); 1657 if (error) 1658 return error; 1659 if (acl == NULL) { 1660 acl = ieee80211_aclator_get("mac"); 1661 if (acl == NULL || !acl->iac_attach(vap)) 1662 return EINVAL; 1663 vap->iv_acl = acl; 1664 } 1665 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1666 acl->iac_add(vap, mac); 1667 else 1668 acl->iac_remove(vap, mac); 1669 return 0; 1670 } 1671 1672 static int 1673 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1674 { 1675 const struct ieee80211_aclator *acl = vap->iv_acl; 1676 1677 switch (ireq->i_val) { 1678 case IEEE80211_MACCMD_POLICY_OPEN: 1679 case IEEE80211_MACCMD_POLICY_ALLOW: 1680 case IEEE80211_MACCMD_POLICY_DENY: 1681 case IEEE80211_MACCMD_POLICY_RADIUS: 1682 if (acl == NULL) { 1683 acl = ieee80211_aclator_get("mac"); 1684 if (acl == NULL || !acl->iac_attach(vap)) 1685 return EINVAL; 1686 vap->iv_acl = acl; 1687 } 1688 acl->iac_setpolicy(vap, ireq->i_val); 1689 break; 1690 case IEEE80211_MACCMD_FLUSH: 1691 if (acl != NULL) 1692 acl->iac_flush(vap); 1693 /* NB: silently ignore when not in use */ 1694 break; 1695 case IEEE80211_MACCMD_DETACH: 1696 if (acl != NULL) { 1697 vap->iv_acl = NULL; 1698 acl->iac_detach(vap); 1699 } 1700 break; 1701 default: 1702 if (acl == NULL) 1703 return EINVAL; 1704 else 1705 return acl->iac_setioctl(vap, ireq); 1706 } 1707 return 0; 1708 } 1709 1710 static int 1711 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1712 { 1713 struct ieee80211com *ic = vap->iv_ic; 1714 uint8_t *chanlist, *list; 1715 int i, nchan, maxchan, error; 1716 1717 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1718 ireq->i_len = sizeof(ic->ic_chan_active); 1719 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1720 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1721 if (list == NULL) 1722 return ENOMEM; 1723 error = copyin(ireq->i_data, list, ireq->i_len); 1724 if (error) { 1725 IEEE80211_FREE(list, M_TEMP); 1726 return error; 1727 } 1728 nchan = 0; 1729 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1730 maxchan = ireq->i_len * NBBY; 1731 for (i = 0; i < ic->ic_nchans; i++) { 1732 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1733 /* 1734 * Calculate the intersection of the user list and the 1735 * available channels so users can do things like specify 1736 * 1-255 to get all available channels. 1737 */ 1738 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1739 setbit(chanlist, c->ic_ieee); 1740 nchan++; 1741 } 1742 } 1743 if (nchan == 0) { 1744 IEEE80211_FREE(list, M_TEMP); 1745 return EINVAL; 1746 } 1747 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1748 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1749 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1750 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1751 ieee80211_scan_flush(vap); 1752 IEEE80211_FREE(list, M_TEMP); 1753 return ENETRESET; 1754 } 1755 1756 static int 1757 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1758 { 1759 struct ieee80211_node *ni; 1760 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1761 int error; 1762 1763 /* 1764 * NB: we could copyin ieee80211req_sta_stats so apps 1765 * could make selective changes but that's overkill; 1766 * just clear all stats for now. 1767 */ 1768 if (ireq->i_len < IEEE80211_ADDR_LEN) 1769 return EINVAL; 1770 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1771 if (error != 0) 1772 return error; 1773 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1774 if (ni == NULL) 1775 return ENOENT; 1776 /* XXX require ni_vap == vap? */ 1777 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1778 ieee80211_free_node(ni); 1779 return 0; 1780 } 1781 1782 static int 1783 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1784 { 1785 struct ieee80211_node *ni; 1786 struct ieee80211req_sta_txpow txpow; 1787 int error; 1788 1789 if (ireq->i_len != sizeof(txpow)) 1790 return EINVAL; 1791 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1792 if (error != 0) 1793 return error; 1794 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1795 if (ni == NULL) 1796 return ENOENT; 1797 ni->ni_txpower = txpow.it_txpow; 1798 ieee80211_free_node(ni); 1799 return error; 1800 } 1801 1802 static int 1803 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1804 { 1805 struct ieee80211com *ic = vap->iv_ic; 1806 struct ieee80211_wme_state *wme = &ic->ic_wme; 1807 struct wmeParams *wmep, *chanp; 1808 int isbss, ac, aggrmode; 1809 1810 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1811 return EOPNOTSUPP; 1812 1813 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1814 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1815 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1816 if (ac >= WME_NUM_AC) 1817 ac = WME_AC_BE; 1818 if (isbss) { 1819 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1820 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1821 } else { 1822 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1823 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1824 } 1825 switch (ireq->i_type) { 1826 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1827 wmep->wmep_logcwmin = ireq->i_val; 1828 if (!isbss || !aggrmode) 1829 chanp->wmep_logcwmin = ireq->i_val; 1830 break; 1831 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1832 wmep->wmep_logcwmax = ireq->i_val; 1833 if (!isbss || !aggrmode) 1834 chanp->wmep_logcwmax = ireq->i_val; 1835 break; 1836 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1837 wmep->wmep_aifsn = ireq->i_val; 1838 if (!isbss || !aggrmode) 1839 chanp->wmep_aifsn = ireq->i_val; 1840 break; 1841 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1842 wmep->wmep_txopLimit = ireq->i_val; 1843 if (!isbss || !aggrmode) 1844 chanp->wmep_txopLimit = ireq->i_val; 1845 break; 1846 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1847 wmep->wmep_acm = ireq->i_val; 1848 if (!aggrmode) 1849 chanp->wmep_acm = ireq->i_val; 1850 break; 1851 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1852 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1853 (ireq->i_val) == 0; 1854 break; 1855 } 1856 ieee80211_wme_updateparams(vap); 1857 return 0; 1858 } 1859 1860 static int 1861 find11gchannel(struct ieee80211com *ic, int start, int freq) 1862 { 1863 const struct ieee80211_channel *c; 1864 int i; 1865 1866 for (i = start+1; i < ic->ic_nchans; i++) { 1867 c = &ic->ic_channels[i]; 1868 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1869 return 1; 1870 } 1871 /* NB: should not be needed but in case things are mis-sorted */ 1872 for (i = 0; i < start; i++) { 1873 c = &ic->ic_channels[i]; 1874 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1875 return 1; 1876 } 1877 return 0; 1878 } 1879 1880 static struct ieee80211_channel * 1881 findchannel(struct ieee80211com *ic, int ieee, int mode) 1882 { 1883 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1884 [IEEE80211_MODE_AUTO] = 0, 1885 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1886 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1887 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1888 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1889 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1890 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1891 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1892 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1893 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1894 /* NB: handled specially below */ 1895 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1896 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1897 [IEEE80211_MODE_VHT_5GHZ] = IEEE80211_CHAN_A, 1898 [IEEE80211_MODE_VHT_2GHZ] = IEEE80211_CHAN_G, 1899 }; 1900 u_int modeflags; 1901 int i; 1902 1903 modeflags = chanflags[mode]; 1904 for (i = 0; i < ic->ic_nchans; i++) { 1905 struct ieee80211_channel *c = &ic->ic_channels[i]; 1906 1907 if (c->ic_ieee != ieee) 1908 continue; 1909 if (mode == IEEE80211_MODE_AUTO) { 1910 /* ignore turbo channels for autoselect */ 1911 if (IEEE80211_IS_CHAN_TURBO(c)) 1912 continue; 1913 /* 1914 * XXX special-case 11b/g channels so we 1915 * always select the g channel if both 1916 * are present. 1917 * XXX prefer HT to non-HT? 1918 */ 1919 if (!IEEE80211_IS_CHAN_B(c) || 1920 !find11gchannel(ic, i, c->ic_freq)) 1921 return c; 1922 } else { 1923 /* must check VHT specifically */ 1924 if ((mode == IEEE80211_MODE_VHT_5GHZ || 1925 mode == IEEE80211_MODE_VHT_2GHZ) && 1926 !IEEE80211_IS_CHAN_VHT(c)) 1927 continue; 1928 1929 /* 1930 * Must check HT specially - only match on HT, 1931 * not HT+VHT channels 1932 */ 1933 if ((mode == IEEE80211_MODE_11NA || 1934 mode == IEEE80211_MODE_11NG) && 1935 !IEEE80211_IS_CHAN_HT(c)) 1936 continue; 1937 1938 if ((mode == IEEE80211_MODE_11NA || 1939 mode == IEEE80211_MODE_11NG) && 1940 IEEE80211_IS_CHAN_VHT(c)) 1941 continue; 1942 1943 /* Check that the modeflags above match */ 1944 if ((c->ic_flags & modeflags) == modeflags) 1945 return c; 1946 } 1947 } 1948 return NULL; 1949 } 1950 1951 /* 1952 * Check the specified against any desired mode (aka netband). 1953 * This is only used (presently) when operating in hostap mode 1954 * to enforce consistency. 1955 */ 1956 static int 1957 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1958 { 1959 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1960 1961 switch (mode) { 1962 case IEEE80211_MODE_11B: 1963 return (IEEE80211_IS_CHAN_B(c)); 1964 case IEEE80211_MODE_11G: 1965 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1966 case IEEE80211_MODE_11A: 1967 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1968 case IEEE80211_MODE_STURBO_A: 1969 return (IEEE80211_IS_CHAN_STURBO(c)); 1970 case IEEE80211_MODE_11NA: 1971 return (IEEE80211_IS_CHAN_HTA(c)); 1972 case IEEE80211_MODE_11NG: 1973 return (IEEE80211_IS_CHAN_HTG(c)); 1974 } 1975 return 1; 1976 1977 } 1978 1979 /* 1980 * Common code to set the current channel. If the device 1981 * is up and running this may result in an immediate channel 1982 * change or a kick of the state machine. 1983 */ 1984 static int 1985 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1986 { 1987 struct ieee80211com *ic = vap->iv_ic; 1988 int error; 1989 1990 if (c != IEEE80211_CHAN_ANYC) { 1991 if (IEEE80211_IS_CHAN_RADAR(c)) 1992 return EBUSY; /* XXX better code? */ 1993 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1994 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1995 return EINVAL; 1996 if (!check_mode_consistency(c, vap->iv_des_mode)) 1997 return EINVAL; 1998 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1999 if (IEEE80211_IS_CHAN_NOADHOC(c)) 2000 return EINVAL; 2001 } 2002 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 2003 vap->iv_bss->ni_chan == c) 2004 return 0; /* NB: nothing to do */ 2005 } 2006 vap->iv_des_chan = c; 2007 2008 error = 0; 2009 if (vap->iv_opmode == IEEE80211_M_MONITOR && 2010 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2011 /* 2012 * Monitor mode can switch directly. 2013 */ 2014 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 2015 /* XXX need state machine for other vap's to follow */ 2016 ieee80211_setcurchan(ic, vap->iv_des_chan); 2017 vap->iv_bss->ni_chan = ic->ic_curchan; 2018 } else { 2019 ic->ic_curchan = vap->iv_des_chan; 2020 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2021 } 2022 } else { 2023 /* 2024 * Need to go through the state machine in case we 2025 * need to reassociate or the like. The state machine 2026 * will pickup the desired channel and avoid scanning. 2027 */ 2028 if (IS_UP_AUTO(vap)) 2029 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2030 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2031 /* 2032 * When not up+running and a real channel has 2033 * been specified fix the current channel so 2034 * there is immediate feedback; e.g. via ifconfig. 2035 */ 2036 ic->ic_curchan = vap->iv_des_chan; 2037 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2038 } 2039 } 2040 return error; 2041 } 2042 2043 /* 2044 * Old api for setting the current channel; this is 2045 * deprecated because channel numbers are ambiguous. 2046 */ 2047 static int 2048 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2049 const struct ieee80211req *ireq) 2050 { 2051 struct ieee80211com *ic = vap->iv_ic; 2052 struct ieee80211_channel *c; 2053 2054 /* XXX 0xffff overflows 16-bit signed */ 2055 if (ireq->i_val == 0 || 2056 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2057 c = IEEE80211_CHAN_ANYC; 2058 } else { 2059 struct ieee80211_channel *c2; 2060 2061 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2062 if (c == NULL) { 2063 c = findchannel(ic, ireq->i_val, 2064 IEEE80211_MODE_AUTO); 2065 if (c == NULL) 2066 return EINVAL; 2067 } 2068 2069 /* 2070 * Fine tune channel selection based on desired mode: 2071 * if 11b is requested, find the 11b version of any 2072 * 11g channel returned, 2073 * if static turbo, find the turbo version of any 2074 * 11a channel return, 2075 * if 11na is requested, find the ht version of any 2076 * 11a channel returned, 2077 * if 11ng is requested, find the ht version of any 2078 * 11g channel returned, 2079 * if 11ac is requested, find the 11ac version 2080 * of any 11a/11na channel returned, 2081 * (TBD) 11acg (2GHz VHT) 2082 * otherwise we should be ok with what we've got. 2083 */ 2084 switch (vap->iv_des_mode) { 2085 case IEEE80211_MODE_11B: 2086 if (IEEE80211_IS_CHAN_ANYG(c)) { 2087 c2 = findchannel(ic, ireq->i_val, 2088 IEEE80211_MODE_11B); 2089 /* NB: should not happen, =>'s 11g w/o 11b */ 2090 if (c2 != NULL) 2091 c = c2; 2092 } 2093 break; 2094 case IEEE80211_MODE_TURBO_A: 2095 if (IEEE80211_IS_CHAN_A(c)) { 2096 c2 = findchannel(ic, ireq->i_val, 2097 IEEE80211_MODE_TURBO_A); 2098 if (c2 != NULL) 2099 c = c2; 2100 } 2101 break; 2102 case IEEE80211_MODE_11NA: 2103 if (IEEE80211_IS_CHAN_A(c)) { 2104 c2 = findchannel(ic, ireq->i_val, 2105 IEEE80211_MODE_11NA); 2106 if (c2 != NULL) 2107 c = c2; 2108 } 2109 break; 2110 case IEEE80211_MODE_11NG: 2111 if (IEEE80211_IS_CHAN_ANYG(c)) { 2112 c2 = findchannel(ic, ireq->i_val, 2113 IEEE80211_MODE_11NG); 2114 if (c2 != NULL) 2115 c = c2; 2116 } 2117 break; 2118 case IEEE80211_MODE_VHT_2GHZ: 2119 printf("%s: TBD\n", __func__); 2120 break; 2121 case IEEE80211_MODE_VHT_5GHZ: 2122 if (IEEE80211_IS_CHAN_A(c)) { 2123 c2 = findchannel(ic, ireq->i_val, 2124 IEEE80211_MODE_VHT_5GHZ); 2125 if (c2 != NULL) 2126 c = c2; 2127 } 2128 break; 2129 default: /* NB: no static turboG */ 2130 break; 2131 } 2132 } 2133 return setcurchan(vap, c); 2134 } 2135 2136 /* 2137 * New/current api for setting the current channel; a complete 2138 * channel description is provide so there is no ambiguity in 2139 * identifying the channel. 2140 */ 2141 static int 2142 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2143 const struct ieee80211req *ireq) 2144 { 2145 struct ieee80211com *ic = vap->iv_ic; 2146 struct ieee80211_channel chan, *c; 2147 int error; 2148 2149 if (ireq->i_len != sizeof(chan)) 2150 return EINVAL; 2151 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2152 if (error != 0) 2153 return error; 2154 2155 /* XXX 0xffff overflows 16-bit signed */ 2156 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2157 c = IEEE80211_CHAN_ANYC; 2158 } else { 2159 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2160 if (c == NULL) 2161 return EINVAL; 2162 } 2163 return setcurchan(vap, c); 2164 } 2165 2166 static int 2167 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2168 const struct ieee80211req *ireq) 2169 { 2170 struct ieee80211_regdomain_req *reg; 2171 int nchans, error; 2172 2173 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2174 sizeof(struct ieee80211_channel)); 2175 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2176 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2177 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2178 ireq->i_len, nchans); 2179 return EINVAL; 2180 } 2181 reg = (struct ieee80211_regdomain_req *) 2182 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2183 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2184 if (reg == NULL) { 2185 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2186 "%s: no memory, nchans %d\n", __func__, nchans); 2187 return ENOMEM; 2188 } 2189 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2190 if (error == 0) { 2191 /* NB: validate inline channel count against storage size */ 2192 if (reg->chaninfo.ic_nchans != nchans) { 2193 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2194 "%s: chan cnt mismatch, %d != %d\n", __func__, 2195 reg->chaninfo.ic_nchans, nchans); 2196 error = EINVAL; 2197 } else 2198 error = ieee80211_setregdomain(vap, reg); 2199 } 2200 IEEE80211_FREE(reg, M_TEMP); 2201 2202 return (error == 0 ? ENETRESET : error); 2203 } 2204 2205 static int 2206 checkrate(const struct ieee80211_rateset *rs, int rate) 2207 { 2208 int i; 2209 2210 if (rate == IEEE80211_FIXED_RATE_NONE) 2211 return 1; 2212 for (i = 0; i < rs->rs_nrates; i++) 2213 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2214 return 1; 2215 return 0; 2216 } 2217 2218 static int 2219 checkmcs(const struct ieee80211_htrateset *rs, int mcs) 2220 { 2221 int rate_val = IEEE80211_RV(mcs); 2222 int i; 2223 2224 if (mcs == IEEE80211_FIXED_RATE_NONE) 2225 return 1; 2226 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2227 return 0; 2228 for (i = 0; i < rs->rs_nrates; i++) 2229 if (IEEE80211_RV(rs->rs_rates[i]) == rate_val) 2230 return 1; 2231 return 0; 2232 } 2233 2234 static int 2235 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2236 const struct ieee80211req *ireq) 2237 { 2238 struct ieee80211com *ic = vap->iv_ic; 2239 struct ieee80211_roamparams_req *parms; 2240 struct ieee80211_roamparam *src, *dst; 2241 const struct ieee80211_htrateset *rs_ht; 2242 const struct ieee80211_rateset *rs; 2243 int changed, error, mode, is11n, nmodes; 2244 2245 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2246 return EINVAL; 2247 2248 parms = IEEE80211_MALLOC(sizeof(*parms), M_TEMP, 2249 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2250 if (parms == NULL) 2251 return ENOMEM; 2252 2253 error = copyin(ireq->i_data, parms, ireq->i_len); 2254 if (error != 0) 2255 goto fail; 2256 2257 changed = 0; 2258 nmodes = IEEE80211_MODE_MAX; 2259 2260 /* validate parameters and check if anything changed */ 2261 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2262 if (isclr(ic->ic_modecaps, mode)) 2263 continue; 2264 src = &parms->params[mode]; 2265 dst = &vap->iv_roamparms[mode]; 2266 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2267 rs_ht = &ic->ic_sup_htrates; 2268 is11n = (mode == IEEE80211_MODE_11NA || 2269 mode == IEEE80211_MODE_11NG); 2270 /* XXX TODO: 11ac */ 2271 if (src->rate != dst->rate) { 2272 if (!checkrate(rs, src->rate) && 2273 (!is11n || !checkmcs(rs_ht, src->rate))) { 2274 error = EINVAL; 2275 goto fail; 2276 } 2277 changed++; 2278 } 2279 if (src->rssi != dst->rssi) 2280 changed++; 2281 } 2282 if (changed) { 2283 /* 2284 * Copy new parameters in place and notify the 2285 * driver so it can push state to the device. 2286 */ 2287 /* XXX locking? */ 2288 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2289 if (isset(ic->ic_modecaps, mode)) 2290 vap->iv_roamparms[mode] = parms->params[mode]; 2291 } 2292 2293 if (vap->iv_roaming == IEEE80211_ROAMING_DEVICE) 2294 error = ERESTART; 2295 } 2296 2297 fail: IEEE80211_FREE(parms, M_TEMP); 2298 return error; 2299 } 2300 2301 static int 2302 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2303 const struct ieee80211req *ireq) 2304 { 2305 struct ieee80211com *ic = vap->iv_ic; 2306 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2307 struct ieee80211_txparam *src, *dst; 2308 const struct ieee80211_htrateset *rs_ht; 2309 const struct ieee80211_rateset *rs; 2310 int error, mode, changed, is11n, nmodes; 2311 2312 /* NB: accept short requests for backwards compat */ 2313 if (ireq->i_len > sizeof(parms)) 2314 return EINVAL; 2315 error = copyin(ireq->i_data, &parms, ireq->i_len); 2316 if (error != 0) 2317 return error; 2318 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2319 changed = 0; 2320 /* validate parameters and check if anything changed */ 2321 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2322 if (isclr(ic->ic_modecaps, mode)) 2323 continue; 2324 src = &parms.params[mode]; 2325 dst = &vap->iv_txparms[mode]; 2326 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2327 rs_ht = &ic->ic_sup_htrates; 2328 is11n = (mode == IEEE80211_MODE_11NA || 2329 mode == IEEE80211_MODE_11NG); 2330 if (src->ucastrate != dst->ucastrate) { 2331 if (!checkrate(rs, src->ucastrate) && 2332 (!is11n || !checkmcs(rs_ht, src->ucastrate))) 2333 return EINVAL; 2334 changed++; 2335 } 2336 if (src->mcastrate != dst->mcastrate) { 2337 if (!checkrate(rs, src->mcastrate) && 2338 (!is11n || !checkmcs(rs_ht, src->mcastrate))) 2339 return EINVAL; 2340 changed++; 2341 } 2342 if (src->mgmtrate != dst->mgmtrate) { 2343 if (!checkrate(rs, src->mgmtrate) && 2344 (!is11n || !checkmcs(rs_ht, src->mgmtrate))) 2345 return EINVAL; 2346 changed++; 2347 } 2348 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2349 changed++; 2350 } 2351 if (changed) { 2352 /* 2353 * Copy new parameters in place and notify the 2354 * driver so it can push state to the device. 2355 */ 2356 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2357 if (isset(ic->ic_modecaps, mode)) 2358 vap->iv_txparms[mode] = parms.params[mode]; 2359 } 2360 /* XXX could be more intelligent, 2361 e.g. don't reset if setting not being used */ 2362 return ENETRESET; 2363 } 2364 return 0; 2365 } 2366 2367 /* 2368 * Application Information Element support. 2369 */ 2370 static int 2371 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2372 { 2373 struct ieee80211_appie *app = *aie; 2374 struct ieee80211_appie *napp; 2375 int error; 2376 2377 if (ireq->i_len == 0) { /* delete any existing ie */ 2378 if (app != NULL) { 2379 *aie = NULL; /* XXX racey */ 2380 IEEE80211_FREE(app, M_80211_NODE_IE); 2381 } 2382 return 0; 2383 } 2384 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2385 return EINVAL; 2386 /* 2387 * Allocate a new appie structure and copy in the user data. 2388 * When done swap in the new structure. Note that we do not 2389 * guard against users holding a ref to the old structure; 2390 * this must be handled outside this code. 2391 * 2392 * XXX bad bad bad 2393 */ 2394 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2395 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2396 IEEE80211_M_NOWAIT); 2397 if (napp == NULL) 2398 return ENOMEM; 2399 /* XXX holding ic lock */ 2400 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2401 if (error) { 2402 IEEE80211_FREE(napp, M_80211_NODE_IE); 2403 return error; 2404 } 2405 napp->ie_len = ireq->i_len; 2406 *aie = napp; 2407 if (app != NULL) 2408 IEEE80211_FREE(app, M_80211_NODE_IE); 2409 return 0; 2410 } 2411 2412 static void 2413 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2414 { 2415 /* validate data is present as best we can */ 2416 if (space == 0 || 2+ie[1] > space) 2417 return; 2418 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2419 vap->iv_wpa_ie = ie; 2420 else if (ie[0] == IEEE80211_ELEMID_RSN) 2421 vap->iv_rsn_ie = ie; 2422 } 2423 2424 static int 2425 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2426 const struct ieee80211req *ireq, int fc0) 2427 { 2428 int error; 2429 2430 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2431 2432 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2433 case IEEE80211_FC0_SUBTYPE_BEACON: 2434 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2435 vap->iv_opmode != IEEE80211_M_IBSS) { 2436 error = EINVAL; 2437 break; 2438 } 2439 error = setappie(&vap->iv_appie_beacon, ireq); 2440 if (error == 0) 2441 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2442 break; 2443 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2444 error = setappie(&vap->iv_appie_proberesp, ireq); 2445 break; 2446 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2447 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2448 error = setappie(&vap->iv_appie_assocresp, ireq); 2449 else 2450 error = EINVAL; 2451 break; 2452 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2453 error = setappie(&vap->iv_appie_probereq, ireq); 2454 break; 2455 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2456 if (vap->iv_opmode == IEEE80211_M_STA) 2457 error = setappie(&vap->iv_appie_assocreq, ireq); 2458 else 2459 error = EINVAL; 2460 break; 2461 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2462 error = setappie(&vap->iv_appie_wpa, ireq); 2463 if (error == 0) { 2464 /* 2465 * Must split single blob of data into separate 2466 * WPA and RSN ie's because they go in different 2467 * locations in the mgt frames. 2468 * XXX use IEEE80211_IOC_WPA2 so user code does split 2469 */ 2470 vap->iv_wpa_ie = NULL; 2471 vap->iv_rsn_ie = NULL; 2472 if (vap->iv_appie_wpa != NULL) { 2473 struct ieee80211_appie *appie = 2474 vap->iv_appie_wpa; 2475 uint8_t *data = appie->ie_data; 2476 2477 /* XXX ie length validate is painful, cheat */ 2478 setwparsnie(vap, data, appie->ie_len); 2479 setwparsnie(vap, data + 2 + data[1], 2480 appie->ie_len - (2 + data[1])); 2481 } 2482 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2483 vap->iv_opmode == IEEE80211_M_IBSS) { 2484 /* 2485 * Must rebuild beacon frame as the update 2486 * mechanism doesn't handle WPA/RSN ie's. 2487 * Could extend it but it doesn't normally 2488 * change; this is just to deal with hostapd 2489 * plumbing the ie after the interface is up. 2490 */ 2491 error = ENETRESET; 2492 } 2493 } 2494 break; 2495 default: 2496 error = EINVAL; 2497 break; 2498 } 2499 return error; 2500 } 2501 2502 static int 2503 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2504 const struct ieee80211req *ireq) 2505 { 2506 struct ieee80211com *ic = vap->iv_ic; 2507 int error; 2508 uint8_t fc0; 2509 2510 fc0 = ireq->i_val & 0xff; 2511 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2512 return EINVAL; 2513 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2514 IEEE80211_LOCK(ic); 2515 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2516 IEEE80211_UNLOCK(ic); 2517 return error; 2518 } 2519 2520 static int 2521 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2522 { 2523 struct ieee80211com *ic = vap->iv_ic; 2524 struct ieee80211_chanswitch_req csr; 2525 struct ieee80211_channel *c; 2526 int error; 2527 2528 if (ireq->i_len != sizeof(csr)) 2529 return EINVAL; 2530 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2531 if (error != 0) 2532 return error; 2533 /* XXX adhoc mode not supported */ 2534 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2535 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2536 return EOPNOTSUPP; 2537 c = ieee80211_find_channel(ic, 2538 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2539 if (c == NULL) 2540 return ENOENT; 2541 IEEE80211_LOCK(ic); 2542 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2543 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2544 else if (csr.csa_count == 0) 2545 ieee80211_csa_cancelswitch(ic); 2546 else 2547 error = EBUSY; 2548 IEEE80211_UNLOCK(ic); 2549 return error; 2550 } 2551 2552 static int 2553 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2554 { 2555 #define IEEE80211_IOC_SCAN_FLAGS \ 2556 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2557 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2558 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2559 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2560 IEEE80211_IOC_SCAN_CHECK) 2561 struct ieee80211com *ic = vap->iv_ic; 2562 int error, i; 2563 2564 /* convert duration */ 2565 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2566 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2567 else { 2568 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2569 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2570 return EINVAL; 2571 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2572 } 2573 /* convert min/max channel dwell */ 2574 if (sr->sr_mindwell != 0) 2575 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2576 if (sr->sr_maxdwell != 0) 2577 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2578 /* NB: silently reduce ssid count to what is supported */ 2579 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2580 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2581 for (i = 0; i < sr->sr_nssid; i++) 2582 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2583 return EINVAL; 2584 /* cleanse flags just in case, could reject if invalid flags */ 2585 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2586 /* 2587 * Add an implicit NOPICK if the vap is not marked UP. This 2588 * allows applications to scan without joining a bss (or picking 2589 * a channel and setting up a bss) and without forcing manual 2590 * roaming mode--you just need to mark the parent device UP. 2591 */ 2592 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2593 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2594 2595 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2596 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2597 __func__, sr->sr_flags, 2598 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2599 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2600 /* 2601 * If we are in INIT state then the driver has never had a chance 2602 * to setup hardware state to do a scan; we must use the state 2603 * machine to get us up to the SCAN state but once we reach SCAN 2604 * state we then want to use the supplied params. Stash the 2605 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2606 * state machines will recognize this and use the stashed params 2607 * to issue the scan request. 2608 * 2609 * Otherwise just invoke the scan machinery directly. 2610 */ 2611 IEEE80211_LOCK(ic); 2612 if (ic->ic_nrunning == 0) { 2613 IEEE80211_UNLOCK(ic); 2614 return ENXIO; 2615 } 2616 2617 if (vap->iv_state == IEEE80211_S_INIT) { 2618 /* NB: clobbers previous settings */ 2619 vap->iv_scanreq_flags = sr->sr_flags; 2620 vap->iv_scanreq_duration = sr->sr_duration; 2621 vap->iv_scanreq_nssid = sr->sr_nssid; 2622 for (i = 0; i < sr->sr_nssid; i++) { 2623 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2624 memcpy(vap->iv_scanreq_ssid[i].ssid, 2625 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2626 } 2627 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2628 IEEE80211_UNLOCK(ic); 2629 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2630 } else { 2631 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2632 IEEE80211_UNLOCK(ic); 2633 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2634 error = ieee80211_check_scan(vap, sr->sr_flags, 2635 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2636 sr->sr_nssid, 2637 /* NB: cheat, we assume structures are compatible */ 2638 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2639 } else { 2640 error = ieee80211_start_scan(vap, sr->sr_flags, 2641 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2642 sr->sr_nssid, 2643 /* NB: cheat, we assume structures are compatible */ 2644 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2645 } 2646 if (error == 0) 2647 return EINPROGRESS; 2648 } 2649 return 0; 2650 #undef IEEE80211_IOC_SCAN_FLAGS 2651 } 2652 2653 static int 2654 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2655 { 2656 struct ieee80211_scan_req *sr; 2657 int error; 2658 2659 if (ireq->i_len != sizeof(*sr)) 2660 return EINVAL; 2661 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2662 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2663 if (sr == NULL) 2664 return ENOMEM; 2665 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2666 if (error != 0) 2667 goto bad; 2668 error = ieee80211_scanreq(vap, sr); 2669 bad: 2670 IEEE80211_FREE(sr, M_TEMP); 2671 return error; 2672 } 2673 2674 static int 2675 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2676 { 2677 struct ieee80211_node *ni; 2678 struct ieee80211req_sta_vlan vlan; 2679 int error; 2680 2681 if (ireq->i_len != sizeof(vlan)) 2682 return EINVAL; 2683 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2684 if (error != 0) 2685 return error; 2686 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2687 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2688 vlan.sv_macaddr); 2689 if (ni == NULL) 2690 return ENOENT; 2691 } else 2692 ni = ieee80211_ref_node(vap->iv_bss); 2693 ni->ni_vlan = vlan.sv_vlan; 2694 ieee80211_free_node(ni); 2695 return error; 2696 } 2697 2698 static int 2699 isvap11g(const struct ieee80211vap *vap) 2700 { 2701 const struct ieee80211_node *bss = vap->iv_bss; 2702 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2703 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2704 } 2705 2706 static int 2707 isvapht(const struct ieee80211vap *vap) 2708 { 2709 const struct ieee80211_node *bss = vap->iv_bss; 2710 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2711 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2712 } 2713 2714 /* 2715 * Dummy ioctl set handler so the linker set is defined. 2716 */ 2717 static int 2718 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2719 { 2720 return ENOSYS; 2721 } 2722 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2723 2724 static int 2725 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2726 { 2727 ieee80211_ioctl_setfunc * const *set; 2728 int error; 2729 2730 SET_FOREACH(set, ieee80211_ioctl_setset) { 2731 error = (*set)(vap, ireq); 2732 if (error != ENOSYS) 2733 return error; 2734 } 2735 return EINVAL; 2736 } 2737 2738 static int 2739 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2740 { 2741 struct ieee80211com *ic = vap->iv_ic; 2742 int error; 2743 const struct ieee80211_authenticator *auth; 2744 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2745 char tmpssid[IEEE80211_NWID_LEN]; 2746 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2747 struct ieee80211_key *k; 2748 u_int kid; 2749 uint32_t flags; 2750 2751 error = 0; 2752 switch (ireq->i_type) { 2753 case IEEE80211_IOC_SSID: 2754 if (ireq->i_val != 0 || 2755 ireq->i_len > IEEE80211_NWID_LEN) 2756 return EINVAL; 2757 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2758 if (error) 2759 break; 2760 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2761 vap->iv_des_ssid[0].len = ireq->i_len; 2762 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2763 vap->iv_des_nssid = (ireq->i_len > 0); 2764 error = ENETRESET; 2765 break; 2766 case IEEE80211_IOC_WEP: 2767 switch (ireq->i_val) { 2768 case IEEE80211_WEP_OFF: 2769 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2770 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2771 break; 2772 case IEEE80211_WEP_ON: 2773 vap->iv_flags |= IEEE80211_F_PRIVACY; 2774 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2775 break; 2776 case IEEE80211_WEP_MIXED: 2777 vap->iv_flags |= IEEE80211_F_PRIVACY; 2778 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2779 break; 2780 } 2781 error = ENETRESET; 2782 break; 2783 case IEEE80211_IOC_WEPKEY: 2784 kid = (u_int) ireq->i_val; 2785 if (kid >= IEEE80211_WEP_NKID) 2786 return EINVAL; 2787 k = &vap->iv_nw_keys[kid]; 2788 if (ireq->i_len == 0) { 2789 /* zero-len =>'s delete any existing key */ 2790 (void) ieee80211_crypto_delkey(vap, k); 2791 break; 2792 } 2793 if (ireq->i_len > sizeof(tmpkey)) 2794 return EINVAL; 2795 memset(tmpkey, 0, sizeof(tmpkey)); 2796 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2797 if (error) 2798 break; 2799 ieee80211_key_update_begin(vap); 2800 k->wk_keyix = kid; /* NB: force fixed key id */ 2801 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2802 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2803 k->wk_keylen = ireq->i_len; 2804 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2805 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2806 if (!ieee80211_crypto_setkey(vap, k)) 2807 error = EINVAL; 2808 } else 2809 error = EINVAL; 2810 ieee80211_key_update_end(vap); 2811 break; 2812 case IEEE80211_IOC_WEPTXKEY: 2813 kid = (u_int) ireq->i_val; 2814 if (kid >= IEEE80211_WEP_NKID && 2815 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2816 return EINVAL; 2817 /* 2818 * Firmware devices may need to be told about an explicit 2819 * key index here, versus just inferring it from the 2820 * key set / change. Since we may also need to pause 2821 * things like transmit before the key is updated, 2822 * give the driver a chance to flush things by tying 2823 * into key update begin/end. 2824 */ 2825 ieee80211_key_update_begin(vap); 2826 ieee80211_crypto_set_deftxkey(vap, kid); 2827 ieee80211_key_update_end(vap); 2828 break; 2829 case IEEE80211_IOC_AUTHMODE: 2830 switch (ireq->i_val) { 2831 case IEEE80211_AUTH_WPA: 2832 case IEEE80211_AUTH_8021X: /* 802.1x */ 2833 case IEEE80211_AUTH_OPEN: /* open */ 2834 case IEEE80211_AUTH_SHARED: /* shared-key */ 2835 case IEEE80211_AUTH_AUTO: /* auto */ 2836 auth = ieee80211_authenticator_get(ireq->i_val); 2837 if (auth == NULL) 2838 return EINVAL; 2839 break; 2840 default: 2841 return EINVAL; 2842 } 2843 switch (ireq->i_val) { 2844 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2845 vap->iv_flags |= IEEE80211_F_PRIVACY; 2846 ireq->i_val = IEEE80211_AUTH_8021X; 2847 break; 2848 case IEEE80211_AUTH_OPEN: /* open */ 2849 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2850 break; 2851 case IEEE80211_AUTH_SHARED: /* shared-key */ 2852 case IEEE80211_AUTH_8021X: /* 802.1x */ 2853 vap->iv_flags &= ~IEEE80211_F_WPA; 2854 /* both require a key so mark the PRIVACY capability */ 2855 vap->iv_flags |= IEEE80211_F_PRIVACY; 2856 break; 2857 case IEEE80211_AUTH_AUTO: /* auto */ 2858 vap->iv_flags &= ~IEEE80211_F_WPA; 2859 /* XXX PRIVACY handling? */ 2860 /* XXX what's the right way to do this? */ 2861 break; 2862 } 2863 /* NB: authenticator attach/detach happens on state change */ 2864 vap->iv_bss->ni_authmode = ireq->i_val; 2865 /* XXX mixed/mode/usage? */ 2866 vap->iv_auth = auth; 2867 error = ENETRESET; 2868 break; 2869 case IEEE80211_IOC_CHANNEL: 2870 error = ieee80211_ioctl_setchannel(vap, ireq); 2871 break; 2872 case IEEE80211_IOC_POWERSAVE: 2873 switch (ireq->i_val) { 2874 case IEEE80211_POWERSAVE_OFF: 2875 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2876 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2877 error = ERESTART; 2878 } 2879 break; 2880 case IEEE80211_POWERSAVE_ON: 2881 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2882 error = EOPNOTSUPP; 2883 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2884 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2885 error = ERESTART; 2886 } 2887 break; 2888 default: 2889 error = EINVAL; 2890 break; 2891 } 2892 break; 2893 case IEEE80211_IOC_POWERSAVESLEEP: 2894 if (ireq->i_val < 0) 2895 return EINVAL; 2896 ic->ic_lintval = ireq->i_val; 2897 error = ERESTART; 2898 break; 2899 case IEEE80211_IOC_RTSTHRESHOLD: 2900 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2901 ireq->i_val <= IEEE80211_RTS_MAX)) 2902 return EINVAL; 2903 vap->iv_rtsthreshold = ireq->i_val; 2904 error = ERESTART; 2905 break; 2906 case IEEE80211_IOC_PROTMODE: 2907 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2908 return EINVAL; 2909 vap->iv_protmode = (enum ieee80211_protmode)ireq->i_val; 2910 /* NB: if not operating in 11g this can wait */ 2911 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2912 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2913 error = ERESTART; 2914 /* driver callback for protection mode update */ 2915 ieee80211_vap_update_erp_protmode(vap); 2916 break; 2917 case IEEE80211_IOC_TXPOWER: 2918 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2919 return EOPNOTSUPP; 2920 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2921 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2922 return EINVAL; 2923 ic->ic_txpowlimit = ireq->i_val; 2924 error = ERESTART; 2925 break; 2926 case IEEE80211_IOC_ROAMING: 2927 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2928 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2929 return EINVAL; 2930 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2931 /* XXXX reset? */ 2932 break; 2933 case IEEE80211_IOC_PRIVACY: 2934 if (ireq->i_val) { 2935 /* XXX check for key state? */ 2936 vap->iv_flags |= IEEE80211_F_PRIVACY; 2937 } else 2938 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2939 /* XXX ERESTART? */ 2940 break; 2941 case IEEE80211_IOC_DROPUNENCRYPTED: 2942 if (ireq->i_val) 2943 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2944 else 2945 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2946 /* XXX ERESTART? */ 2947 break; 2948 case IEEE80211_IOC_WPAKEY: 2949 error = ieee80211_ioctl_setkey(vap, ireq); 2950 break; 2951 case IEEE80211_IOC_DELKEY: 2952 error = ieee80211_ioctl_delkey(vap, ireq); 2953 break; 2954 case IEEE80211_IOC_MLME: 2955 error = ieee80211_ioctl_setmlme(vap, ireq); 2956 break; 2957 case IEEE80211_IOC_COUNTERMEASURES: 2958 if (ireq->i_val) { 2959 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2960 return EOPNOTSUPP; 2961 vap->iv_flags |= IEEE80211_F_COUNTERM; 2962 } else 2963 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2964 /* XXX ERESTART? */ 2965 break; 2966 case IEEE80211_IOC_WPA: 2967 if (ireq->i_val > 3) 2968 return EINVAL; 2969 /* XXX verify ciphers available */ 2970 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2971 switch (ireq->i_val) { 2972 case 0: 2973 /* wpa_supplicant calls this to clear the WPA config */ 2974 break; 2975 case 1: 2976 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2977 return EOPNOTSUPP; 2978 flags |= IEEE80211_F_WPA1; 2979 break; 2980 case 2: 2981 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2982 return EOPNOTSUPP; 2983 flags |= IEEE80211_F_WPA2; 2984 break; 2985 case 3: 2986 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2987 return EOPNOTSUPP; 2988 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2989 break; 2990 default: /* Can't set any -> error */ 2991 return EOPNOTSUPP; 2992 } 2993 vap->iv_flags = flags; 2994 error = ERESTART; /* NB: can change beacon frame */ 2995 break; 2996 case IEEE80211_IOC_WME: 2997 if (ireq->i_val) { 2998 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2999 return EOPNOTSUPP; 3000 ieee80211_syncflag(vap, IEEE80211_F_WME); 3001 } else 3002 ieee80211_syncflag(vap, -IEEE80211_F_WME); 3003 error = ERESTART; /* NB: can change beacon frame */ 3004 break; 3005 case IEEE80211_IOC_HIDESSID: 3006 if (ireq->i_val) 3007 vap->iv_flags |= IEEE80211_F_HIDESSID; 3008 else 3009 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 3010 error = ERESTART; /* XXX ENETRESET? */ 3011 break; 3012 case IEEE80211_IOC_APBRIDGE: 3013 if (ireq->i_val == 0) 3014 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 3015 else 3016 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 3017 break; 3018 case IEEE80211_IOC_BSSID: 3019 if (ireq->i_len != sizeof(tmpbssid)) 3020 return EINVAL; 3021 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 3022 if (error) 3023 break; 3024 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 3025 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 3026 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 3027 else 3028 vap->iv_flags |= IEEE80211_F_DESBSSID; 3029 error = ENETRESET; 3030 break; 3031 case IEEE80211_IOC_CHANLIST: 3032 error = ieee80211_ioctl_setchanlist(vap, ireq); 3033 break; 3034 #define OLD_IEEE80211_IOC_SCAN_REQ 23 3035 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 3036 case OLD_IEEE80211_IOC_SCAN_REQ: 3037 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3038 "%s: active scan request\n", __func__); 3039 /* 3040 * If we are in INIT state then the driver has never 3041 * had a chance to setup hardware state to do a scan; 3042 * use the state machine to get us up the SCAN state. 3043 * Otherwise just invoke the scan machinery to start 3044 * a one-time scan. 3045 */ 3046 if (vap->iv_state == IEEE80211_S_INIT) 3047 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 3048 else 3049 (void) ieee80211_start_scan(vap, 3050 IEEE80211_SCAN_ACTIVE | 3051 IEEE80211_SCAN_NOPICK | 3052 IEEE80211_SCAN_ONCE, 3053 IEEE80211_SCAN_FOREVER, 0, 0, 3054 /* XXX use ioctl params */ 3055 vap->iv_des_nssid, vap->iv_des_ssid); 3056 break; 3057 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 3058 case IEEE80211_IOC_SCAN_REQ: 3059 error = ieee80211_ioctl_scanreq(vap, ireq); 3060 break; 3061 case IEEE80211_IOC_SCAN_CANCEL: 3062 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3063 "%s: cancel scan\n", __func__); 3064 ieee80211_cancel_scan(vap); 3065 break; 3066 case IEEE80211_IOC_HTCONF: 3067 if (ireq->i_val & 1) 3068 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 3069 else 3070 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 3071 if (ireq->i_val & 2) 3072 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 3073 else 3074 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 3075 error = ENETRESET; 3076 break; 3077 case IEEE80211_IOC_ADDMAC: 3078 case IEEE80211_IOC_DELMAC: 3079 error = ieee80211_ioctl_macmac(vap, ireq); 3080 break; 3081 case IEEE80211_IOC_MACCMD: 3082 error = ieee80211_ioctl_setmaccmd(vap, ireq); 3083 break; 3084 case IEEE80211_IOC_STA_STATS: 3085 error = ieee80211_ioctl_setstastats(vap, ireq); 3086 break; 3087 case IEEE80211_IOC_STA_TXPOW: 3088 error = ieee80211_ioctl_setstatxpow(vap, ireq); 3089 break; 3090 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 3091 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 3092 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 3093 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 3094 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 3095 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 3096 error = ieee80211_ioctl_setwmeparam(vap, ireq); 3097 break; 3098 case IEEE80211_IOC_DTIM_PERIOD: 3099 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3100 vap->iv_opmode != IEEE80211_M_MBSS && 3101 vap->iv_opmode != IEEE80211_M_IBSS) 3102 return EINVAL; 3103 if (IEEE80211_DTIM_MIN <= ireq->i_val && 3104 ireq->i_val <= IEEE80211_DTIM_MAX) { 3105 vap->iv_dtim_period = ireq->i_val; 3106 error = ENETRESET; /* requires restart */ 3107 } else 3108 error = EINVAL; 3109 break; 3110 case IEEE80211_IOC_BEACON_INTERVAL: 3111 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3112 vap->iv_opmode != IEEE80211_M_MBSS && 3113 vap->iv_opmode != IEEE80211_M_IBSS) 3114 return EINVAL; 3115 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 3116 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 3117 ic->ic_bintval = ireq->i_val; 3118 error = ENETRESET; /* requires restart */ 3119 } else 3120 error = EINVAL; 3121 break; 3122 case IEEE80211_IOC_PUREG: 3123 if (ireq->i_val) 3124 vap->iv_flags |= IEEE80211_F_PUREG; 3125 else 3126 vap->iv_flags &= ~IEEE80211_F_PUREG; 3127 /* NB: reset only if we're operating on an 11g channel */ 3128 if (isvap11g(vap)) 3129 error = ENETRESET; 3130 break; 3131 case IEEE80211_IOC_QUIET: 3132 vap->iv_quiet= ireq->i_val; 3133 break; 3134 case IEEE80211_IOC_QUIET_COUNT: 3135 vap->iv_quiet_count=ireq->i_val; 3136 break; 3137 case IEEE80211_IOC_QUIET_PERIOD: 3138 vap->iv_quiet_period=ireq->i_val; 3139 break; 3140 case IEEE80211_IOC_QUIET_OFFSET: 3141 vap->iv_quiet_offset=ireq->i_val; 3142 break; 3143 case IEEE80211_IOC_QUIET_DUR: 3144 if(ireq->i_val < vap->iv_bss->ni_intval) 3145 vap->iv_quiet_duration = ireq->i_val; 3146 else 3147 error = EINVAL; 3148 break; 3149 case IEEE80211_IOC_BGSCAN: 3150 if (ireq->i_val) { 3151 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3152 return EOPNOTSUPP; 3153 vap->iv_flags |= IEEE80211_F_BGSCAN; 3154 } else 3155 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3156 break; 3157 case IEEE80211_IOC_BGSCAN_IDLE: 3158 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3159 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3160 else 3161 error = EINVAL; 3162 break; 3163 case IEEE80211_IOC_BGSCAN_INTERVAL: 3164 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3165 vap->iv_bgscanintvl = ireq->i_val*hz; 3166 else 3167 error = EINVAL; 3168 break; 3169 case IEEE80211_IOC_SCANVALID: 3170 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3171 vap->iv_scanvalid = ireq->i_val*hz; 3172 else 3173 error = EINVAL; 3174 break; 3175 case IEEE80211_IOC_FRAGTHRESHOLD: 3176 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3177 ireq->i_val != IEEE80211_FRAG_MAX) 3178 return EOPNOTSUPP; 3179 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3180 ireq->i_val <= IEEE80211_FRAG_MAX)) 3181 return EINVAL; 3182 vap->iv_fragthreshold = ireq->i_val; 3183 error = ERESTART; 3184 break; 3185 case IEEE80211_IOC_BURST: 3186 if (ireq->i_val) { 3187 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3188 return EOPNOTSUPP; 3189 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3190 } else 3191 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3192 error = ERESTART; 3193 break; 3194 case IEEE80211_IOC_BMISSTHRESHOLD: 3195 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3196 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3197 return EINVAL; 3198 vap->iv_bmissthreshold = ireq->i_val; 3199 error = ERESTART; 3200 break; 3201 case IEEE80211_IOC_CURCHAN: 3202 error = ieee80211_ioctl_setcurchan(vap, ireq); 3203 break; 3204 case IEEE80211_IOC_SHORTGI: 3205 if (ireq->i_val) { 3206 #define IEEE80211_HTCAP_SHORTGI \ 3207 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3208 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3209 return EINVAL; 3210 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3211 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3212 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3213 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3214 #undef IEEE80211_HTCAP_SHORTGI 3215 } else 3216 vap->iv_flags_ht &= 3217 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3218 error = ERESTART; 3219 break; 3220 case IEEE80211_IOC_AMPDU: 3221 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3222 return EINVAL; 3223 if (ireq->i_val & 1) 3224 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3225 else 3226 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3227 if (ireq->i_val & 2) 3228 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3229 else 3230 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3231 /* NB: reset only if we're operating on an 11n channel */ 3232 if (isvapht(vap)) 3233 error = ERESTART; 3234 break; 3235 case IEEE80211_IOC_AMPDU_LIMIT: 3236 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */ 3237 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3238 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3239 return EINVAL; 3240 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3241 vap->iv_ampdu_rxmax = ireq->i_val; 3242 else 3243 vap->iv_ampdu_limit = ireq->i_val; 3244 error = ERESTART; 3245 break; 3246 case IEEE80211_IOC_AMPDU_DENSITY: 3247 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3248 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3249 return EINVAL; 3250 vap->iv_ampdu_density = ireq->i_val; 3251 error = ERESTART; 3252 break; 3253 case IEEE80211_IOC_AMSDU: 3254 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3255 return EINVAL; 3256 if (ireq->i_val & 1) 3257 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3258 else 3259 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3260 if (ireq->i_val & 2) 3261 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3262 else 3263 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3264 /* NB: reset only if we're operating on an 11n channel */ 3265 if (isvapht(vap)) 3266 error = ERESTART; 3267 break; 3268 case IEEE80211_IOC_AMSDU_LIMIT: 3269 /* XXX validate */ 3270 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3271 break; 3272 case IEEE80211_IOC_PUREN: 3273 if (ireq->i_val) { 3274 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3275 return EINVAL; 3276 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3277 } else 3278 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3279 /* NB: reset only if we're operating on an 11n channel */ 3280 if (isvapht(vap)) 3281 error = ERESTART; 3282 break; 3283 case IEEE80211_IOC_DOTH: 3284 if (ireq->i_val) { 3285 #if 0 3286 /* XXX no capability */ 3287 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3288 return EOPNOTSUPP; 3289 #endif 3290 vap->iv_flags |= IEEE80211_F_DOTH; 3291 } else 3292 vap->iv_flags &= ~IEEE80211_F_DOTH; 3293 error = ENETRESET; 3294 break; 3295 case IEEE80211_IOC_REGDOMAIN: 3296 error = ieee80211_ioctl_setregdomain(vap, ireq); 3297 break; 3298 case IEEE80211_IOC_ROAM: 3299 error = ieee80211_ioctl_setroam(vap, ireq); 3300 break; 3301 case IEEE80211_IOC_TXPARAMS: 3302 error = ieee80211_ioctl_settxparams(vap, ireq); 3303 break; 3304 case IEEE80211_IOC_HTCOMPAT: 3305 if (ireq->i_val) { 3306 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3307 return EOPNOTSUPP; 3308 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3309 } else 3310 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3311 /* NB: reset only if we're operating on an 11n channel */ 3312 if (isvapht(vap)) 3313 error = ERESTART; 3314 break; 3315 case IEEE80211_IOC_DWDS: 3316 if (ireq->i_val) { 3317 /* NB: DWDS only makes sense for WDS-capable devices */ 3318 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3319 return EOPNOTSUPP; 3320 /* NB: DWDS is used only with ap+sta vaps */ 3321 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3322 vap->iv_opmode != IEEE80211_M_STA) 3323 return EINVAL; 3324 vap->iv_flags |= IEEE80211_F_DWDS; 3325 if (vap->iv_opmode == IEEE80211_M_STA) 3326 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3327 } else { 3328 vap->iv_flags &= ~IEEE80211_F_DWDS; 3329 if (vap->iv_opmode == IEEE80211_M_STA) 3330 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3331 } 3332 break; 3333 case IEEE80211_IOC_INACTIVITY: 3334 if (ireq->i_val) 3335 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3336 else 3337 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3338 break; 3339 case IEEE80211_IOC_APPIE: 3340 error = ieee80211_ioctl_setappie(vap, ireq); 3341 break; 3342 case IEEE80211_IOC_WPS: 3343 if (ireq->i_val) { 3344 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3345 return EOPNOTSUPP; 3346 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3347 } else 3348 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3349 break; 3350 case IEEE80211_IOC_TSN: 3351 if (ireq->i_val) { 3352 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3353 return EOPNOTSUPP; 3354 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3355 } else 3356 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3357 break; 3358 case IEEE80211_IOC_CHANSWITCH: 3359 error = ieee80211_ioctl_chanswitch(vap, ireq); 3360 break; 3361 case IEEE80211_IOC_DFS: 3362 if (ireq->i_val) { 3363 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3364 return EOPNOTSUPP; 3365 /* NB: DFS requires 11h support */ 3366 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3367 return EINVAL; 3368 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3369 } else 3370 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3371 break; 3372 case IEEE80211_IOC_DOTD: 3373 if (ireq->i_val) 3374 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3375 else 3376 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3377 if (vap->iv_opmode == IEEE80211_M_STA) 3378 error = ENETRESET; 3379 break; 3380 case IEEE80211_IOC_HTPROTMODE: 3381 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3382 return EINVAL; 3383 vap->iv_htprotmode = ireq->i_val ? 3384 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3385 /* NB: if not operating in 11n this can wait */ 3386 if (isvapht(vap)) 3387 error = ERESTART; 3388 /* Notify driver layer of HT protmode changes */ 3389 ieee80211_vap_update_ht_protmode(vap); 3390 break; 3391 case IEEE80211_IOC_STA_VLAN: 3392 error = ieee80211_ioctl_setstavlan(vap, ireq); 3393 break; 3394 case IEEE80211_IOC_SMPS: 3395 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3396 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3397 return EINVAL; 3398 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3399 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3400 return EOPNOTSUPP; 3401 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3402 ireq->i_val; 3403 /* NB: if not operating in 11n this can wait */ 3404 if (isvapht(vap)) 3405 error = ERESTART; 3406 break; 3407 case IEEE80211_IOC_RIFS: 3408 if (ireq->i_val != 0) { 3409 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3410 return EOPNOTSUPP; 3411 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3412 } else 3413 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3414 /* NB: if not operating in 11n this can wait */ 3415 if (isvapht(vap)) 3416 error = ERESTART; 3417 break; 3418 case IEEE80211_IOC_STBC: 3419 /* Check if we can do STBC TX/RX before changing the setting */ 3420 if ((ireq->i_val & 1) && 3421 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0)) 3422 return EOPNOTSUPP; 3423 if ((ireq->i_val & 2) && 3424 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0)) 3425 return EOPNOTSUPP; 3426 3427 /* TX */ 3428 if (ireq->i_val & 1) 3429 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX; 3430 else 3431 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX; 3432 3433 /* RX */ 3434 if (ireq->i_val & 2) 3435 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX; 3436 else 3437 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX; 3438 3439 /* NB: reset only if we're operating on an 11n channel */ 3440 if (isvapht(vap)) 3441 error = ERESTART; 3442 break; 3443 case IEEE80211_IOC_LDPC: 3444 /* Check if we can do LDPC TX/RX before changing the setting */ 3445 if ((ireq->i_val & 1) && 3446 (vap->iv_htcaps & IEEE80211_HTC_TXLDPC) == 0) 3447 return EOPNOTSUPP; 3448 if ((ireq->i_val & 2) && 3449 (vap->iv_htcaps & IEEE80211_HTCAP_LDPC) == 0) 3450 return EOPNOTSUPP; 3451 3452 /* TX */ 3453 if (ireq->i_val & 1) 3454 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX; 3455 else 3456 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_TX; 3457 3458 /* RX */ 3459 if (ireq->i_val & 2) 3460 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX; 3461 else 3462 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_RX; 3463 3464 /* NB: reset only if we're operating on an 11n channel */ 3465 if (isvapht(vap)) 3466 error = ERESTART; 3467 break; 3468 case IEEE80211_IOC_UAPSD: 3469 if ((vap->iv_caps & IEEE80211_C_UAPSD) == 0) 3470 return EOPNOTSUPP; 3471 if (ireq->i_val == 0) 3472 vap->iv_flags_ext &= ~IEEE80211_FEXT_UAPSD; 3473 else if (ireq->i_val == 1) 3474 vap->iv_flags_ext |= IEEE80211_FEXT_UAPSD; 3475 else 3476 return EINVAL; 3477 break; 3478 3479 /* VHT */ 3480 case IEEE80211_IOC_VHTCONF: 3481 if (ireq->i_val & IEEE80211_FVHT_VHT) 3482 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_VHT); 3483 else 3484 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_VHT); 3485 3486 if (ireq->i_val & IEEE80211_FVHT_USEVHT40) 3487 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT40); 3488 else 3489 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT40); 3490 3491 if (ireq->i_val & IEEE80211_FVHT_USEVHT80) 3492 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80); 3493 else 3494 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80); 3495 3496 if (ireq->i_val & IEEE80211_FVHT_USEVHT160) 3497 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT160); 3498 else 3499 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT160); 3500 3501 if (ireq->i_val & IEEE80211_FVHT_USEVHT80P80) 3502 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80P80); 3503 else 3504 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80P80); 3505 3506 error = ENETRESET; 3507 break; 3508 3509 default: 3510 error = ieee80211_ioctl_setdefault(vap, ireq); 3511 break; 3512 } 3513 /* 3514 * The convention is that ENETRESET means an operation 3515 * requires a complete re-initialization of the device (e.g. 3516 * changing something that affects the association state). 3517 * ERESTART means the request may be handled with only a 3518 * reload of the hardware state. We hand ERESTART requests 3519 * to the iv_reset callback so the driver can decide. If 3520 * a device does not fillin iv_reset then it defaults to one 3521 * that returns ENETRESET. Otherwise a driver may return 3522 * ENETRESET (in which case a full reset will be done) or 3523 * 0 to mean there's no need to do anything (e.g. when the 3524 * change has no effect on the driver/device). 3525 */ 3526 if (error == ERESTART) 3527 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3528 vap->iv_reset(vap, ireq->i_type) : 0; 3529 if (error == ENETRESET) { 3530 /* XXX need to re-think AUTO handling */ 3531 if (IS_UP_AUTO(vap)) 3532 ieee80211_init(vap); 3533 error = 0; 3534 } 3535 return error; 3536 } 3537 3538 int 3539 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3540 { 3541 struct ieee80211vap *vap = ifp->if_softc; 3542 struct ieee80211com *ic = vap->iv_ic; 3543 int error = 0, wait = 0, ic_used; 3544 struct ifreq *ifr; 3545 struct ifaddr *ifa; /* XXX */ 3546 3547 ic_used = (cmd != SIOCSIFMTU && cmd != SIOCG80211STATS); 3548 if (ic_used && (error = ieee80211_com_vincref(vap)) != 0) 3549 return (error); 3550 3551 switch (cmd) { 3552 case SIOCSIFFLAGS: 3553 IEEE80211_LOCK(ic); 3554 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) { 3555 /* 3556 * Enable promiscuous mode when: 3557 * 1. Interface is not a member of bridge, or 3558 * 2. Requested by user, or 3559 * 3. In monitor (or adhoc-demo) mode. 3560 */ 3561 if (ifp->if_bridge == NULL || 3562 (ifp->if_flags & IFF_PPROMISC) != 0 || 3563 vap->iv_opmode == IEEE80211_M_MONITOR || 3564 (vap->iv_opmode == IEEE80211_M_AHDEMO && 3565 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) { 3566 ieee80211_promisc(vap, 3567 ifp->if_flags & IFF_PROMISC); 3568 vap->iv_ifflags ^= IFF_PROMISC; 3569 } 3570 } 3571 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) { 3572 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3573 vap->iv_ifflags ^= IFF_ALLMULTI; 3574 } 3575 if (ifp->if_flags & IFF_UP) { 3576 /* 3577 * Bring ourself up unless we're already operational. 3578 * If we're the first vap and the parent is not up 3579 * then it will automatically be brought up as a 3580 * side-effect of bringing ourself up. 3581 */ 3582 if (vap->iv_state == IEEE80211_S_INIT) { 3583 if (ic->ic_nrunning == 0) 3584 wait = 1; 3585 ieee80211_start_locked(vap); 3586 } 3587 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3588 /* 3589 * Stop ourself. If we are the last vap to be 3590 * marked down the parent will also be taken down. 3591 */ 3592 if (ic->ic_nrunning == 1) 3593 wait = 1; 3594 ieee80211_stop_locked(vap); 3595 } 3596 IEEE80211_UNLOCK(ic); 3597 /* Wait for parent ioctl handler if it was queued */ 3598 if (wait) { 3599 struct epoch_tracker et; 3600 3601 ieee80211_waitfor_parent(ic); 3602 3603 /* 3604 * Check if the MAC address was changed 3605 * via SIOCSIFLLADDR ioctl. 3606 * 3607 * NB: device may be detached during initialization; 3608 * use if_ioctl for existence check. 3609 */ 3610 NET_EPOCH_ENTER(et); 3611 if (ifp->if_ioctl == ieee80211_ioctl && 3612 (ifp->if_flags & IFF_UP) == 0 && 3613 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp))) 3614 IEEE80211_ADDR_COPY(vap->iv_myaddr, 3615 IF_LLADDR(ifp)); 3616 NET_EPOCH_EXIT(et); 3617 } 3618 break; 3619 case SIOCADDMULTI: 3620 case SIOCDELMULTI: 3621 ieee80211_runtask(ic, &ic->ic_mcast_task); 3622 break; 3623 case SIOCSIFMEDIA: 3624 case SIOCGIFMEDIA: 3625 ifr = (struct ifreq *)data; 3626 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3627 break; 3628 case SIOCG80211: 3629 error = ieee80211_ioctl_get80211(vap, cmd, 3630 (struct ieee80211req *) data); 3631 break; 3632 case SIOCS80211: 3633 /* XXX TODO: move priv check to ieee80211_freebsd.c */ 3634 error = priv_check(curthread, PRIV_NET80211_VAP_MANAGE); 3635 if (error == 0) 3636 error = ieee80211_ioctl_set80211(vap, cmd, 3637 (struct ieee80211req *) data); 3638 break; 3639 case SIOCG80211STATS: 3640 ifr = (struct ifreq *)data; 3641 copyout(&vap->iv_stats, ifr_data_get_ptr(ifr), 3642 sizeof (vap->iv_stats)); 3643 break; 3644 case SIOCSIFMTU: 3645 ifr = (struct ifreq *)data; 3646 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3647 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3648 error = EINVAL; 3649 else 3650 ifp->if_mtu = ifr->ifr_mtu; 3651 break; 3652 case SIOCSIFADDR: 3653 /* 3654 * XXX Handle this directly so we can suppress if_init calls. 3655 * XXX This should be done in ether_ioctl but for the moment 3656 * XXX there are too many other parts of the system that 3657 * XXX set IFF_UP and so suppress if_init being called when 3658 * XXX it should be. 3659 */ 3660 ifa = (struct ifaddr *) data; 3661 switch (ifa->ifa_addr->sa_family) { 3662 #ifdef INET 3663 case AF_INET: 3664 if ((ifp->if_flags & IFF_UP) == 0) { 3665 ifp->if_flags |= IFF_UP; 3666 ifp->if_init(ifp->if_softc); 3667 } 3668 arp_ifinit(ifp, ifa); 3669 break; 3670 #endif 3671 default: 3672 if ((ifp->if_flags & IFF_UP) == 0) { 3673 ifp->if_flags |= IFF_UP; 3674 ifp->if_init(ifp->if_softc); 3675 } 3676 break; 3677 } 3678 break; 3679 case SIOCSIFLLADDR: 3680 /* XXX TODO: move priv check to ieee80211_freebsd.c */ 3681 error = priv_check(curthread, PRIV_NET80211_VAP_SETMAC); 3682 if (error == 0) 3683 break; 3684 /* Fallthrough */ 3685 default: 3686 /* 3687 * Pass unknown ioctls first to the driver, and if it 3688 * returns ENOTTY, then to the generic Ethernet handler. 3689 */ 3690 if (ic->ic_ioctl != NULL && 3691 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3692 break; 3693 error = ether_ioctl(ifp, cmd, data); 3694 break; 3695 } 3696 3697 if (ic_used) 3698 ieee80211_com_vdecref(vap); 3699 3700 return (error); 3701 } 3702