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 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 781 struct ieee80211com *ic = vap->iv_ic; 782 u_int kid, len; 783 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 784 char tmpssid[IEEE80211_NWID_LEN]; 785 int error = 0; 786 787 switch (ireq->i_type) { 788 case IEEE80211_IOC_IC_NAME: 789 len = strlen(ic->ic_name) + 1; 790 if (len > ireq->i_len) 791 return (EINVAL); 792 ireq->i_len = len; 793 error = copyout(ic->ic_name, ireq->i_data, ireq->i_len); 794 break; 795 case IEEE80211_IOC_SSID: 796 switch (vap->iv_state) { 797 case IEEE80211_S_INIT: 798 case IEEE80211_S_SCAN: 799 ireq->i_len = vap->iv_des_ssid[0].len; 800 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 801 break; 802 default: 803 ireq->i_len = vap->iv_bss->ni_esslen; 804 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 805 break; 806 } 807 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 808 break; 809 case IEEE80211_IOC_NUMSSIDS: 810 ireq->i_val = 1; 811 break; 812 case IEEE80211_IOC_WEP: 813 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 814 ireq->i_val = IEEE80211_WEP_OFF; 815 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 816 ireq->i_val = IEEE80211_WEP_ON; 817 else 818 ireq->i_val = IEEE80211_WEP_MIXED; 819 break; 820 case IEEE80211_IOC_WEPKEY: 821 kid = (u_int) ireq->i_val; 822 if (kid >= IEEE80211_WEP_NKID) 823 return EINVAL; 824 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 825 /* NB: only root can read WEP keys */ 826 /* XXX TODO: move priv check to ieee80211_freebsd.c */ 827 if (priv_check(curthread, PRIV_NET80211_VAP_GETKEY) == 0) { 828 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 829 } else { 830 bzero(tmpkey, len); 831 } 832 ireq->i_len = len; 833 error = copyout(tmpkey, ireq->i_data, len); 834 break; 835 case IEEE80211_IOC_NUMWEPKEYS: 836 ireq->i_val = IEEE80211_WEP_NKID; 837 break; 838 case IEEE80211_IOC_WEPTXKEY: 839 ireq->i_val = vap->iv_def_txkey; 840 break; 841 case IEEE80211_IOC_AUTHMODE: 842 if (vap->iv_flags & IEEE80211_F_WPA) 843 ireq->i_val = IEEE80211_AUTH_WPA; 844 else 845 ireq->i_val = vap->iv_bss->ni_authmode; 846 break; 847 case IEEE80211_IOC_CHANNEL: 848 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 849 break; 850 case IEEE80211_IOC_POWERSAVE: 851 if (vap->iv_flags & IEEE80211_F_PMGTON) 852 ireq->i_val = IEEE80211_POWERSAVE_ON; 853 else 854 ireq->i_val = IEEE80211_POWERSAVE_OFF; 855 break; 856 case IEEE80211_IOC_POWERSAVESLEEP: 857 ireq->i_val = ic->ic_lintval; 858 break; 859 case IEEE80211_IOC_RTSTHRESHOLD: 860 ireq->i_val = vap->iv_rtsthreshold; 861 break; 862 case IEEE80211_IOC_PROTMODE: 863 ireq->i_val = vap->iv_protmode; 864 break; 865 case IEEE80211_IOC_TXPOWER: 866 /* 867 * Tx power limit is the min of max regulatory 868 * power, any user-set limit, and the max the 869 * radio can do. 870 * 871 * TODO: methodize this 872 */ 873 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 874 if (ireq->i_val > ic->ic_txpowlimit) 875 ireq->i_val = ic->ic_txpowlimit; 876 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 877 ireq->i_val = ic->ic_curchan->ic_maxpower; 878 break; 879 case IEEE80211_IOC_WPA: 880 switch (vap->iv_flags & IEEE80211_F_WPA) { 881 case IEEE80211_F_WPA1: 882 ireq->i_val = 1; 883 break; 884 case IEEE80211_F_WPA2: 885 ireq->i_val = 2; 886 break; 887 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 888 ireq->i_val = 3; 889 break; 890 default: 891 ireq->i_val = 0; 892 break; 893 } 894 break; 895 case IEEE80211_IOC_CHANLIST: 896 error = ieee80211_ioctl_getchanlist(vap, ireq); 897 break; 898 case IEEE80211_IOC_ROAMING: 899 ireq->i_val = vap->iv_roaming; 900 break; 901 case IEEE80211_IOC_PRIVACY: 902 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 903 break; 904 case IEEE80211_IOC_DROPUNENCRYPTED: 905 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 906 break; 907 case IEEE80211_IOC_COUNTERMEASURES: 908 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 909 break; 910 case IEEE80211_IOC_WME: 911 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 912 break; 913 case IEEE80211_IOC_HIDESSID: 914 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 915 break; 916 case IEEE80211_IOC_APBRIDGE: 917 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 918 break; 919 case IEEE80211_IOC_WPAKEY: 920 error = ieee80211_ioctl_getkey(vap, ireq); 921 break; 922 case IEEE80211_IOC_CHANINFO: 923 error = ieee80211_ioctl_getchaninfo(vap, ireq); 924 break; 925 case IEEE80211_IOC_BSSID: 926 if (ireq->i_len != IEEE80211_ADDR_LEN) 927 return EINVAL; 928 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 929 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 930 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 931 ireq->i_data, ireq->i_len); 932 } else 933 error = copyout(vap->iv_des_bssid, ireq->i_data, 934 ireq->i_len); 935 break; 936 case IEEE80211_IOC_WPAIE: 937 case IEEE80211_IOC_WPAIE2: 938 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 939 break; 940 case IEEE80211_IOC_SCAN_RESULTS: 941 error = ieee80211_ioctl_getscanresults(vap, ireq); 942 break; 943 case IEEE80211_IOC_STA_STATS: 944 error = ieee80211_ioctl_getstastats(vap, ireq); 945 break; 946 case IEEE80211_IOC_TXPOWMAX: 947 ireq->i_val = vap->iv_bss->ni_txpower; 948 break; 949 case IEEE80211_IOC_STA_TXPOW: 950 error = ieee80211_ioctl_getstatxpow(vap, ireq); 951 break; 952 case IEEE80211_IOC_STA_INFO: 953 error = ieee80211_ioctl_getstainfo(vap, ireq); 954 break; 955 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 956 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 957 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 958 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 959 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 960 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 961 error = ieee80211_ioctl_getwmeparam(vap, ireq); 962 break; 963 case IEEE80211_IOC_DTIM_PERIOD: 964 ireq->i_val = vap->iv_dtim_period; 965 break; 966 case IEEE80211_IOC_BEACON_INTERVAL: 967 /* NB: get from ic_bss for station mode */ 968 ireq->i_val = vap->iv_bss->ni_intval; 969 break; 970 case IEEE80211_IOC_PUREG: 971 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 972 break; 973 case IEEE80211_IOC_QUIET: 974 ireq->i_val = vap->iv_quiet; 975 break; 976 case IEEE80211_IOC_QUIET_COUNT: 977 ireq->i_val = vap->iv_quiet_count; 978 break; 979 case IEEE80211_IOC_QUIET_PERIOD: 980 ireq->i_val = vap->iv_quiet_period; 981 break; 982 case IEEE80211_IOC_QUIET_DUR: 983 ireq->i_val = vap->iv_quiet_duration; 984 break; 985 case IEEE80211_IOC_QUIET_OFFSET: 986 ireq->i_val = vap->iv_quiet_offset; 987 break; 988 case IEEE80211_IOC_BGSCAN: 989 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 990 break; 991 case IEEE80211_IOC_BGSCAN_IDLE: 992 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 993 break; 994 case IEEE80211_IOC_BGSCAN_INTERVAL: 995 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 996 break; 997 case IEEE80211_IOC_SCANVALID: 998 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 999 break; 1000 case IEEE80211_IOC_FRAGTHRESHOLD: 1001 ireq->i_val = vap->iv_fragthreshold; 1002 break; 1003 case IEEE80211_IOC_MACCMD: 1004 error = ieee80211_ioctl_getmaccmd(vap, ireq); 1005 break; 1006 case IEEE80211_IOC_BURST: 1007 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 1008 break; 1009 case IEEE80211_IOC_BMISSTHRESHOLD: 1010 ireq->i_val = vap->iv_bmissthreshold; 1011 break; 1012 case IEEE80211_IOC_CURCHAN: 1013 error = ieee80211_ioctl_getcurchan(vap, ireq); 1014 break; 1015 case IEEE80211_IOC_SHORTGI: 1016 ireq->i_val = 0; 1017 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1018 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1019 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1020 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1021 break; 1022 case IEEE80211_IOC_AMPDU: 1023 ireq->i_val = 0; 1024 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1025 ireq->i_val |= 1; 1026 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1027 ireq->i_val |= 2; 1028 break; 1029 case IEEE80211_IOC_AMPDU_LIMIT: 1030 /* XXX TODO: make this a per-node thing; and leave this as global */ 1031 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1032 ireq->i_val = vap->iv_ampdu_rxmax; 1033 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1034 /* 1035 * XXX TODO: this isn't completely correct, as we've 1036 * negotiated the higher of the two. 1037 */ 1038 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1039 IEEE80211_HTCAP_MAXRXAMPDU); 1040 else 1041 ireq->i_val = vap->iv_ampdu_limit; 1042 break; 1043 case IEEE80211_IOC_AMPDU_DENSITY: 1044 /* XXX TODO: make this a per-node thing; and leave this as global */ 1045 if (vap->iv_opmode == IEEE80211_M_STA && 1046 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1047 /* 1048 * XXX TODO: this isn't completely correct, as we've 1049 * negotiated the higher of the two. 1050 */ 1051 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1052 IEEE80211_HTCAP_MPDUDENSITY); 1053 else 1054 ireq->i_val = vap->iv_ampdu_density; 1055 break; 1056 case IEEE80211_IOC_AMSDU: 1057 ireq->i_val = 0; 1058 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1059 ireq->i_val |= 1; 1060 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1061 ireq->i_val |= 2; 1062 break; 1063 case IEEE80211_IOC_AMSDU_LIMIT: 1064 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1065 break; 1066 case IEEE80211_IOC_PUREN: 1067 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1068 break; 1069 case IEEE80211_IOC_DOTH: 1070 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1071 break; 1072 case IEEE80211_IOC_REGDOMAIN: 1073 error = ieee80211_ioctl_getregdomain(vap, ireq); 1074 break; 1075 case IEEE80211_IOC_ROAM: 1076 error = ieee80211_ioctl_getroam(vap, ireq); 1077 break; 1078 case IEEE80211_IOC_TXPARAMS: 1079 error = ieee80211_ioctl_gettxparams(vap, ireq); 1080 break; 1081 case IEEE80211_IOC_HTCOMPAT: 1082 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1083 break; 1084 case IEEE80211_IOC_DWDS: 1085 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1086 break; 1087 case IEEE80211_IOC_INACTIVITY: 1088 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1089 break; 1090 case IEEE80211_IOC_APPIE: 1091 error = ieee80211_ioctl_getappie(vap, ireq); 1092 break; 1093 case IEEE80211_IOC_WPS: 1094 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1095 break; 1096 case IEEE80211_IOC_TSN: 1097 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1098 break; 1099 case IEEE80211_IOC_DFS: 1100 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1101 break; 1102 case IEEE80211_IOC_DOTD: 1103 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1104 break; 1105 case IEEE80211_IOC_DEVCAPS: 1106 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1107 break; 1108 case IEEE80211_IOC_HTPROTMODE: 1109 ireq->i_val = vap->iv_htprotmode; 1110 break; 1111 case IEEE80211_IOC_HTCONF: 1112 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1113 ireq->i_val = 1; 1114 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1115 ireq->i_val |= 2; 1116 } else 1117 ireq->i_val = 0; 1118 break; 1119 case IEEE80211_IOC_STA_VLAN: 1120 error = ieee80211_ioctl_getstavlan(vap, ireq); 1121 break; 1122 case IEEE80211_IOC_SMPS: 1123 if (vap->iv_opmode == IEEE80211_M_STA && 1124 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1125 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1126 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1127 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1128 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1129 else 1130 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1131 } else 1132 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1133 break; 1134 case IEEE80211_IOC_RIFS: 1135 if (vap->iv_opmode == IEEE80211_M_STA && 1136 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1137 ireq->i_val = 1138 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1139 else 1140 ireq->i_val = 1141 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1142 break; 1143 case IEEE80211_IOC_STBC: 1144 ireq->i_val = 0; 1145 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX) 1146 ireq->i_val |= 1; 1147 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) 1148 ireq->i_val |= 2; 1149 break; 1150 case IEEE80211_IOC_LDPC: 1151 ireq->i_val = 0; 1152 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_TX) 1153 ireq->i_val |= 1; 1154 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_RX) 1155 ireq->i_val |= 2; 1156 break; 1157 case IEEE80211_IOC_UAPSD: 1158 ireq->i_val = 0; 1159 if (vap->iv_flags_ext & IEEE80211_FEXT_UAPSD) 1160 ireq->i_val = 1; 1161 break; 1162 1163 /* VHT */ 1164 case IEEE80211_IOC_VHTCONF: 1165 ireq->i_val = 0; 1166 if (vap->iv_flags_vht & IEEE80211_FVHT_VHT) 1167 ireq->i_val |= 1; 1168 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT40) 1169 ireq->i_val |= 2; 1170 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80) 1171 ireq->i_val |= 4; 1172 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80P80) 1173 ireq->i_val |= 8; 1174 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT160) 1175 ireq->i_val |= 16; 1176 break; 1177 1178 default: 1179 error = ieee80211_ioctl_getdefault(vap, ireq); 1180 break; 1181 } 1182 return error; 1183 #undef MS 1184 } 1185 1186 static int 1187 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1188 { 1189 struct ieee80211req_key ik; 1190 struct ieee80211_node *ni; 1191 struct ieee80211_key *wk; 1192 uint16_t kid; 1193 int error, i; 1194 1195 if (ireq->i_len != sizeof(ik)) 1196 return EINVAL; 1197 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1198 if (error) 1199 return error; 1200 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1201 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1202 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1203 return E2BIG; 1204 kid = ik.ik_keyix; 1205 if (kid == IEEE80211_KEYIX_NONE) { 1206 /* XXX unicast keys currently must be tx/rx */ 1207 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1208 return EINVAL; 1209 if (vap->iv_opmode == IEEE80211_M_STA) { 1210 ni = ieee80211_ref_node(vap->iv_bss); 1211 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1212 ieee80211_free_node(ni); 1213 return EADDRNOTAVAIL; 1214 } 1215 } else { 1216 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1217 ik.ik_macaddr); 1218 if (ni == NULL) 1219 return ENOENT; 1220 } 1221 wk = &ni->ni_ucastkey; 1222 } else { 1223 if (kid >= IEEE80211_WEP_NKID) 1224 return EINVAL; 1225 wk = &vap->iv_nw_keys[kid]; 1226 /* 1227 * Global slots start off w/o any assigned key index. 1228 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1229 */ 1230 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1231 wk->wk_keyix = kid; 1232 ni = NULL; 1233 } 1234 error = 0; 1235 ieee80211_key_update_begin(vap); 1236 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1237 wk->wk_keylen = ik.ik_keylen; 1238 /* NB: MIC presence is implied by cipher type */ 1239 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1240 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1241 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1242 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1243 wk->wk_keytsc = 0; /* new key, reset */ 1244 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1245 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1246 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1247 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1248 if (!ieee80211_crypto_setkey(vap, wk)) 1249 error = EIO; 1250 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1251 /* 1252 * Inform the driver that this is the default 1253 * transmit key. Now, ideally we'd just set 1254 * a flag in the key update that would 1255 * say "yes, we're the default key", but 1256 * that currently isn't the way the ioctl -> 1257 * key interface works. 1258 */ 1259 ieee80211_crypto_set_deftxkey(vap, kid); 1260 } else 1261 error = ENXIO; 1262 ieee80211_key_update_end(vap); 1263 if (ni != NULL) 1264 ieee80211_free_node(ni); 1265 return error; 1266 } 1267 1268 static int 1269 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1270 { 1271 struct ieee80211req_del_key dk; 1272 int kid, error; 1273 1274 if (ireq->i_len != sizeof(dk)) 1275 return EINVAL; 1276 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1277 if (error) 1278 return error; 1279 kid = dk.idk_keyix; 1280 /* XXX uint8_t -> uint16_t */ 1281 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1282 struct ieee80211_node *ni; 1283 1284 if (vap->iv_opmode == IEEE80211_M_STA) { 1285 ni = ieee80211_ref_node(vap->iv_bss); 1286 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1287 ieee80211_free_node(ni); 1288 return EADDRNOTAVAIL; 1289 } 1290 } else { 1291 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1292 dk.idk_macaddr); 1293 if (ni == NULL) 1294 return ENOENT; 1295 } 1296 /* XXX error return */ 1297 ieee80211_node_delucastkey(ni); 1298 ieee80211_free_node(ni); 1299 } else { 1300 if (kid >= IEEE80211_WEP_NKID) 1301 return EINVAL; 1302 /* XXX error return */ 1303 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1304 } 1305 return 0; 1306 } 1307 1308 struct mlmeop { 1309 struct ieee80211vap *vap; 1310 int op; 1311 int reason; 1312 }; 1313 1314 static void 1315 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1316 int op, int reason) 1317 { 1318 #ifdef IEEE80211_DEBUG 1319 static const struct { 1320 int mask; 1321 const char *opstr; 1322 } ops[] = { 1323 { 0, "op#0" }, 1324 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1325 IEEE80211_MSG_ASSOC, "assoc" }, 1326 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1327 IEEE80211_MSG_ASSOC, "disassoc" }, 1328 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1329 IEEE80211_MSG_AUTH, "deauth" }, 1330 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1331 IEEE80211_MSG_AUTH, "authorize" }, 1332 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1333 IEEE80211_MSG_AUTH, "unauthorize" }, 1334 }; 1335 1336 if (op == IEEE80211_MLME_AUTH) { 1337 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1338 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1339 "station authenticate %s via MLME (reason: %d (%s))", 1340 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1341 reason, ieee80211_reason_to_string(reason)); 1342 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1343 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1344 "unknown MLME request %d (reason: %d (%s))", op, reason, 1345 ieee80211_reason_to_string(reason)); 1346 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1347 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1348 "station %s via MLME", ops[op].opstr); 1349 } else { 1350 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1351 "station %s via MLME (reason: %d (%s))", ops[op].opstr, 1352 reason, ieee80211_reason_to_string(reason)); 1353 } 1354 #endif /* IEEE80211_DEBUG */ 1355 } 1356 1357 static void 1358 domlme(void *arg, struct ieee80211_node *ni) 1359 { 1360 struct mlmeop *mop = arg; 1361 struct ieee80211vap *vap = ni->ni_vap; 1362 1363 if (vap != mop->vap) 1364 return; 1365 /* 1366 * NB: if ni_associd is zero then the node is already cleaned 1367 * up and we don't need to do this (we're safely holding a 1368 * reference but should otherwise not modify it's state). 1369 */ 1370 if (ni->ni_associd == 0) 1371 return; 1372 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1373 if (mop->op == IEEE80211_MLME_DEAUTH) { 1374 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1375 mop->reason); 1376 } else { 1377 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1378 mop->reason); 1379 } 1380 ieee80211_node_leave(ni); 1381 } 1382 1383 static int 1384 setmlme_dropsta(struct ieee80211vap *vap, 1385 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1386 { 1387 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1388 struct ieee80211_node *ni; 1389 int error = 0; 1390 1391 /* NB: the broadcast address means do 'em all */ 1392 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1393 IEEE80211_NODE_LOCK(nt); 1394 ni = ieee80211_find_node_locked(nt, mac); 1395 IEEE80211_NODE_UNLOCK(nt); 1396 /* 1397 * Don't do the node update inside the node 1398 * table lock. This unfortunately causes LORs 1399 * with drivers and their TX paths. 1400 */ 1401 if (ni != NULL) { 1402 domlme(mlmeop, ni); 1403 ieee80211_free_node(ni); 1404 } else 1405 error = ENOENT; 1406 } else { 1407 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1408 } 1409 return error; 1410 } 1411 1412 static int 1413 setmlme_common(struct ieee80211vap *vap, int op, 1414 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1415 { 1416 struct ieee80211com *ic = vap->iv_ic; 1417 struct ieee80211_node_table *nt = &ic->ic_sta; 1418 struct ieee80211_node *ni; 1419 struct mlmeop mlmeop; 1420 int error; 1421 1422 error = 0; 1423 switch (op) { 1424 case IEEE80211_MLME_DISASSOC: 1425 case IEEE80211_MLME_DEAUTH: 1426 switch (vap->iv_opmode) { 1427 case IEEE80211_M_STA: 1428 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1429 /* XXX not quite right */ 1430 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1431 break; 1432 case IEEE80211_M_HOSTAP: 1433 mlmeop.vap = vap; 1434 mlmeop.op = op; 1435 mlmeop.reason = reason; 1436 error = setmlme_dropsta(vap, mac, &mlmeop); 1437 break; 1438 case IEEE80211_M_WDS: 1439 /* XXX user app should send raw frame? */ 1440 if (op != IEEE80211_MLME_DEAUTH) { 1441 error = EINVAL; 1442 break; 1443 } 1444 #if 0 1445 /* XXX accept any address, simplifies user code */ 1446 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1447 error = EINVAL; 1448 break; 1449 } 1450 #endif 1451 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1452 ni = ieee80211_ref_node(vap->iv_bss); 1453 IEEE80211_SEND_MGMT(ni, 1454 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1455 ieee80211_free_node(ni); 1456 break; 1457 case IEEE80211_M_MBSS: 1458 IEEE80211_NODE_LOCK(nt); 1459 ni = ieee80211_find_node_locked(nt, mac); 1460 /* 1461 * Don't do the node update inside the node 1462 * table lock. This unfortunately causes LORs 1463 * with drivers and their TX paths. 1464 */ 1465 IEEE80211_NODE_UNLOCK(nt); 1466 if (ni != NULL) { 1467 ieee80211_node_leave(ni); 1468 ieee80211_free_node(ni); 1469 } else { 1470 error = ENOENT; 1471 } 1472 break; 1473 default: 1474 error = EINVAL; 1475 break; 1476 } 1477 break; 1478 case IEEE80211_MLME_AUTHORIZE: 1479 case IEEE80211_MLME_UNAUTHORIZE: 1480 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1481 vap->iv_opmode != IEEE80211_M_WDS) { 1482 error = EINVAL; 1483 break; 1484 } 1485 IEEE80211_NODE_LOCK(nt); 1486 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1487 /* 1488 * Don't do the node update inside the node 1489 * table lock. This unfortunately causes LORs 1490 * with drivers and their TX paths. 1491 */ 1492 IEEE80211_NODE_UNLOCK(nt); 1493 if (ni != NULL) { 1494 mlmedebug(vap, mac, op, reason); 1495 if (op == IEEE80211_MLME_AUTHORIZE) 1496 ieee80211_node_authorize(ni); 1497 else 1498 ieee80211_node_unauthorize(ni); 1499 ieee80211_free_node(ni); 1500 } else 1501 error = ENOENT; 1502 break; 1503 case IEEE80211_MLME_AUTH: 1504 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1505 error = EINVAL; 1506 break; 1507 } 1508 IEEE80211_NODE_LOCK(nt); 1509 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1510 /* 1511 * Don't do the node update inside the node 1512 * table lock. This unfortunately causes LORs 1513 * with drivers and their TX paths. 1514 */ 1515 IEEE80211_NODE_UNLOCK(nt); 1516 if (ni != NULL) { 1517 mlmedebug(vap, mac, op, reason); 1518 if (reason == IEEE80211_STATUS_SUCCESS) { 1519 IEEE80211_SEND_MGMT(ni, 1520 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1521 /* 1522 * For shared key auth, just continue the 1523 * exchange. Otherwise when 802.1x is not in 1524 * use mark the port authorized at this point 1525 * so traffic can flow. 1526 */ 1527 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1528 ni->ni_challenge == NULL) 1529 ieee80211_node_authorize(ni); 1530 } else { 1531 vap->iv_stats.is_rx_acl++; 1532 ieee80211_send_error(ni, ni->ni_macaddr, 1533 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1534 ieee80211_node_leave(ni); 1535 } 1536 ieee80211_free_node(ni); 1537 } else 1538 error = ENOENT; 1539 break; 1540 default: 1541 error = EINVAL; 1542 break; 1543 } 1544 return error; 1545 } 1546 1547 struct scanlookup { 1548 const uint8_t *mac; 1549 int esslen; 1550 const uint8_t *essid; 1551 const struct ieee80211_scan_entry *se; 1552 }; 1553 1554 /* 1555 * Match mac address and any ssid. 1556 */ 1557 static void 1558 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1559 { 1560 struct scanlookup *look = arg; 1561 1562 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1563 return; 1564 if (look->esslen != 0) { 1565 if (se->se_ssid[1] != look->esslen) 1566 return; 1567 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1568 return; 1569 } 1570 look->se = se; 1571 } 1572 1573 static int 1574 setmlme_assoc_sta(struct ieee80211vap *vap, 1575 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1576 const uint8_t ssid[IEEE80211_NWID_LEN]) 1577 { 1578 struct scanlookup lookup; 1579 1580 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1581 ("expected opmode STA not %s", 1582 ieee80211_opmode_name[vap->iv_opmode])); 1583 1584 /* NB: this is racey if roaming is !manual */ 1585 lookup.se = NULL; 1586 lookup.mac = mac; 1587 lookup.esslen = ssid_len; 1588 lookup.essid = ssid; 1589 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1590 if (lookup.se == NULL) 1591 return ENOENT; 1592 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1593 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1594 return EIO; /* XXX unique but could be better */ 1595 return 0; 1596 } 1597 1598 static int 1599 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1600 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1601 const uint8_t ssid[IEEE80211_NWID_LEN]) 1602 { 1603 struct ieee80211_scan_req *sr; 1604 int error; 1605 1606 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1607 vap->iv_opmode == IEEE80211_M_AHDEMO, 1608 ("expected opmode IBSS or AHDEMO not %s", 1609 ieee80211_opmode_name[vap->iv_opmode])); 1610 1611 if (ssid_len == 0) 1612 return EINVAL; 1613 1614 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1615 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1616 if (sr == NULL) 1617 return ENOMEM; 1618 1619 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1620 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1621 vap->iv_des_ssid[0].len = ssid_len; 1622 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1623 vap->iv_des_nssid = 1; 1624 1625 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1626 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1627 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1628 sr->sr_ssid[0].len = ssid_len; 1629 sr->sr_nssid = 1; 1630 1631 error = ieee80211_scanreq(vap, sr); 1632 1633 IEEE80211_FREE(sr, M_TEMP); 1634 return error; 1635 } 1636 1637 static int 1638 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1639 { 1640 struct ieee80211req_mlme mlme; 1641 int error; 1642 1643 if (ireq->i_len != sizeof(mlme)) 1644 return EINVAL; 1645 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1646 if (error) 1647 return error; 1648 if (vap->iv_opmode == IEEE80211_M_STA && 1649 mlme.im_op == IEEE80211_MLME_ASSOC) 1650 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1651 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1652 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1653 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1654 mlme.im_op == IEEE80211_MLME_ASSOC) 1655 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1656 mlme.im_ssid_len, mlme.im_ssid); 1657 else 1658 return setmlme_common(vap, mlme.im_op, 1659 mlme.im_macaddr, mlme.im_reason); 1660 } 1661 1662 static int 1663 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1664 { 1665 uint8_t mac[IEEE80211_ADDR_LEN]; 1666 const struct ieee80211_aclator *acl = vap->iv_acl; 1667 int error; 1668 1669 if (ireq->i_len != sizeof(mac)) 1670 return EINVAL; 1671 error = copyin(ireq->i_data, mac, ireq->i_len); 1672 if (error) 1673 return error; 1674 if (acl == NULL) { 1675 acl = ieee80211_aclator_get("mac"); 1676 if (acl == NULL || !acl->iac_attach(vap)) 1677 return EINVAL; 1678 vap->iv_acl = acl; 1679 } 1680 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1681 acl->iac_add(vap, mac); 1682 else 1683 acl->iac_remove(vap, mac); 1684 return 0; 1685 } 1686 1687 static int 1688 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1689 { 1690 const struct ieee80211_aclator *acl = vap->iv_acl; 1691 1692 switch (ireq->i_val) { 1693 case IEEE80211_MACCMD_POLICY_OPEN: 1694 case IEEE80211_MACCMD_POLICY_ALLOW: 1695 case IEEE80211_MACCMD_POLICY_DENY: 1696 case IEEE80211_MACCMD_POLICY_RADIUS: 1697 if (acl == NULL) { 1698 acl = ieee80211_aclator_get("mac"); 1699 if (acl == NULL || !acl->iac_attach(vap)) 1700 return EINVAL; 1701 vap->iv_acl = acl; 1702 } 1703 acl->iac_setpolicy(vap, ireq->i_val); 1704 break; 1705 case IEEE80211_MACCMD_FLUSH: 1706 if (acl != NULL) 1707 acl->iac_flush(vap); 1708 /* NB: silently ignore when not in use */ 1709 break; 1710 case IEEE80211_MACCMD_DETACH: 1711 if (acl != NULL) { 1712 vap->iv_acl = NULL; 1713 acl->iac_detach(vap); 1714 } 1715 break; 1716 default: 1717 if (acl == NULL) 1718 return EINVAL; 1719 else 1720 return acl->iac_setioctl(vap, ireq); 1721 } 1722 return 0; 1723 } 1724 1725 static int 1726 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1727 { 1728 struct ieee80211com *ic = vap->iv_ic; 1729 uint8_t *chanlist, *list; 1730 int i, nchan, maxchan, error; 1731 1732 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1733 ireq->i_len = sizeof(ic->ic_chan_active); 1734 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1735 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1736 if (list == NULL) 1737 return ENOMEM; 1738 error = copyin(ireq->i_data, list, ireq->i_len); 1739 if (error) { 1740 IEEE80211_FREE(list, M_TEMP); 1741 return error; 1742 } 1743 nchan = 0; 1744 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1745 maxchan = ireq->i_len * NBBY; 1746 for (i = 0; i < ic->ic_nchans; i++) { 1747 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1748 /* 1749 * Calculate the intersection of the user list and the 1750 * available channels so users can do things like specify 1751 * 1-255 to get all available channels. 1752 */ 1753 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1754 setbit(chanlist, c->ic_ieee); 1755 nchan++; 1756 } 1757 } 1758 if (nchan == 0) { 1759 IEEE80211_FREE(list, M_TEMP); 1760 return EINVAL; 1761 } 1762 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1763 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1764 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1765 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1766 ieee80211_scan_flush(vap); 1767 IEEE80211_FREE(list, M_TEMP); 1768 return ENETRESET; 1769 } 1770 1771 static int 1772 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1773 { 1774 struct ieee80211_node *ni; 1775 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1776 int error; 1777 1778 /* 1779 * NB: we could copyin ieee80211req_sta_stats so apps 1780 * could make selective changes but that's overkill; 1781 * just clear all stats for now. 1782 */ 1783 if (ireq->i_len < IEEE80211_ADDR_LEN) 1784 return EINVAL; 1785 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1786 if (error != 0) 1787 return error; 1788 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1789 if (ni == NULL) 1790 return ENOENT; 1791 /* XXX require ni_vap == vap? */ 1792 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1793 ieee80211_free_node(ni); 1794 return 0; 1795 } 1796 1797 static int 1798 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1799 { 1800 struct ieee80211_node *ni; 1801 struct ieee80211req_sta_txpow txpow; 1802 int error; 1803 1804 if (ireq->i_len != sizeof(txpow)) 1805 return EINVAL; 1806 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1807 if (error != 0) 1808 return error; 1809 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1810 if (ni == NULL) 1811 return ENOENT; 1812 ni->ni_txpower = txpow.it_txpow; 1813 ieee80211_free_node(ni); 1814 return error; 1815 } 1816 1817 static int 1818 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1819 { 1820 struct ieee80211com *ic = vap->iv_ic; 1821 struct ieee80211_wme_state *wme = &ic->ic_wme; 1822 struct wmeParams *wmep, *chanp; 1823 int isbss, ac, aggrmode; 1824 1825 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1826 return EOPNOTSUPP; 1827 1828 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1829 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1830 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1831 if (ac >= WME_NUM_AC) 1832 ac = WME_AC_BE; 1833 if (isbss) { 1834 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1835 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1836 } else { 1837 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1838 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1839 } 1840 switch (ireq->i_type) { 1841 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1842 wmep->wmep_logcwmin = ireq->i_val; 1843 if (!isbss || !aggrmode) 1844 chanp->wmep_logcwmin = ireq->i_val; 1845 break; 1846 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1847 wmep->wmep_logcwmax = ireq->i_val; 1848 if (!isbss || !aggrmode) 1849 chanp->wmep_logcwmax = ireq->i_val; 1850 break; 1851 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1852 wmep->wmep_aifsn = ireq->i_val; 1853 if (!isbss || !aggrmode) 1854 chanp->wmep_aifsn = ireq->i_val; 1855 break; 1856 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1857 wmep->wmep_txopLimit = ireq->i_val; 1858 if (!isbss || !aggrmode) 1859 chanp->wmep_txopLimit = ireq->i_val; 1860 break; 1861 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1862 wmep->wmep_acm = ireq->i_val; 1863 if (!aggrmode) 1864 chanp->wmep_acm = ireq->i_val; 1865 break; 1866 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1867 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1868 (ireq->i_val) == 0; 1869 break; 1870 } 1871 ieee80211_wme_updateparams(vap); 1872 return 0; 1873 } 1874 1875 static int 1876 find11gchannel(struct ieee80211com *ic, int start, int freq) 1877 { 1878 const struct ieee80211_channel *c; 1879 int i; 1880 1881 for (i = start+1; i < ic->ic_nchans; i++) { 1882 c = &ic->ic_channels[i]; 1883 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1884 return 1; 1885 } 1886 /* NB: should not be needed but in case things are mis-sorted */ 1887 for (i = 0; i < start; i++) { 1888 c = &ic->ic_channels[i]; 1889 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1890 return 1; 1891 } 1892 return 0; 1893 } 1894 1895 static struct ieee80211_channel * 1896 findchannel(struct ieee80211com *ic, int ieee, int mode) 1897 { 1898 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1899 [IEEE80211_MODE_AUTO] = 0, 1900 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1901 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1902 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1903 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1904 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1905 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1906 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1907 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1908 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1909 /* NB: handled specially below */ 1910 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1911 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1912 [IEEE80211_MODE_VHT_5GHZ] = IEEE80211_CHAN_A, 1913 [IEEE80211_MODE_VHT_2GHZ] = IEEE80211_CHAN_G, 1914 }; 1915 u_int modeflags; 1916 int i; 1917 1918 modeflags = chanflags[mode]; 1919 for (i = 0; i < ic->ic_nchans; i++) { 1920 struct ieee80211_channel *c = &ic->ic_channels[i]; 1921 1922 if (c->ic_ieee != ieee) 1923 continue; 1924 if (mode == IEEE80211_MODE_AUTO) { 1925 /* ignore turbo channels for autoselect */ 1926 if (IEEE80211_IS_CHAN_TURBO(c)) 1927 continue; 1928 /* 1929 * XXX special-case 11b/g channels so we 1930 * always select the g channel if both 1931 * are present. 1932 * XXX prefer HT to non-HT? 1933 */ 1934 if (!IEEE80211_IS_CHAN_B(c) || 1935 !find11gchannel(ic, i, c->ic_freq)) 1936 return c; 1937 } else { 1938 /* must check VHT specifically */ 1939 if ((mode == IEEE80211_MODE_VHT_5GHZ || 1940 mode == IEEE80211_MODE_VHT_2GHZ) && 1941 !IEEE80211_IS_CHAN_VHT(c)) 1942 continue; 1943 1944 /* 1945 * Must check HT specially - only match on HT, 1946 * not HT+VHT channels 1947 */ 1948 if ((mode == IEEE80211_MODE_11NA || 1949 mode == IEEE80211_MODE_11NG) && 1950 !IEEE80211_IS_CHAN_HT(c)) 1951 continue; 1952 1953 if ((mode == IEEE80211_MODE_11NA || 1954 mode == IEEE80211_MODE_11NG) && 1955 IEEE80211_IS_CHAN_VHT(c)) 1956 continue; 1957 1958 /* Check that the modeflags above match */ 1959 if ((c->ic_flags & modeflags) == modeflags) 1960 return c; 1961 } 1962 } 1963 return NULL; 1964 } 1965 1966 /* 1967 * Check the specified against any desired mode (aka netband). 1968 * This is only used (presently) when operating in hostap mode 1969 * to enforce consistency. 1970 */ 1971 static int 1972 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1973 { 1974 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1975 1976 switch (mode) { 1977 case IEEE80211_MODE_11B: 1978 return (IEEE80211_IS_CHAN_B(c)); 1979 case IEEE80211_MODE_11G: 1980 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1981 case IEEE80211_MODE_11A: 1982 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1983 case IEEE80211_MODE_STURBO_A: 1984 return (IEEE80211_IS_CHAN_STURBO(c)); 1985 case IEEE80211_MODE_11NA: 1986 return (IEEE80211_IS_CHAN_HTA(c)); 1987 case IEEE80211_MODE_11NG: 1988 return (IEEE80211_IS_CHAN_HTG(c)); 1989 } 1990 return 1; 1991 1992 } 1993 1994 /* 1995 * Common code to set the current channel. If the device 1996 * is up and running this may result in an immediate channel 1997 * change or a kick of the state machine. 1998 */ 1999 static int 2000 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 2001 { 2002 struct ieee80211com *ic = vap->iv_ic; 2003 int error; 2004 2005 if (c != IEEE80211_CHAN_ANYC) { 2006 if (IEEE80211_IS_CHAN_RADAR(c)) 2007 return EBUSY; /* XXX better code? */ 2008 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 2009 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 2010 return EINVAL; 2011 if (!check_mode_consistency(c, vap->iv_des_mode)) 2012 return EINVAL; 2013 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 2014 if (IEEE80211_IS_CHAN_NOADHOC(c)) 2015 return EINVAL; 2016 } 2017 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 2018 vap->iv_bss->ni_chan == c) 2019 return 0; /* NB: nothing to do */ 2020 } 2021 vap->iv_des_chan = c; 2022 2023 error = 0; 2024 if (vap->iv_opmode == IEEE80211_M_MONITOR && 2025 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2026 /* 2027 * Monitor mode can switch directly. 2028 */ 2029 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 2030 /* XXX need state machine for other vap's to follow */ 2031 ieee80211_setcurchan(ic, vap->iv_des_chan); 2032 vap->iv_bss->ni_chan = ic->ic_curchan; 2033 } else { 2034 ic->ic_curchan = vap->iv_des_chan; 2035 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2036 } 2037 } else { 2038 /* 2039 * Need to go through the state machine in case we 2040 * need to reassociate or the like. The state machine 2041 * will pickup the desired channel and avoid scanning. 2042 */ 2043 if (IS_UP_AUTO(vap)) 2044 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2045 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2046 /* 2047 * When not up+running and a real channel has 2048 * been specified fix the current channel so 2049 * there is immediate feedback; e.g. via ifconfig. 2050 */ 2051 ic->ic_curchan = vap->iv_des_chan; 2052 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2053 } 2054 } 2055 return error; 2056 } 2057 2058 /* 2059 * Old api for setting the current channel; this is 2060 * deprecated because channel numbers are ambiguous. 2061 */ 2062 static int 2063 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2064 const struct ieee80211req *ireq) 2065 { 2066 struct ieee80211com *ic = vap->iv_ic; 2067 struct ieee80211_channel *c; 2068 2069 /* XXX 0xffff overflows 16-bit signed */ 2070 if (ireq->i_val == 0 || 2071 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2072 c = IEEE80211_CHAN_ANYC; 2073 } else { 2074 struct ieee80211_channel *c2; 2075 2076 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2077 if (c == NULL) { 2078 c = findchannel(ic, ireq->i_val, 2079 IEEE80211_MODE_AUTO); 2080 if (c == NULL) 2081 return EINVAL; 2082 } 2083 2084 /* 2085 * Fine tune channel selection based on desired mode: 2086 * if 11b is requested, find the 11b version of any 2087 * 11g channel returned, 2088 * if static turbo, find the turbo version of any 2089 * 11a channel return, 2090 * if 11na is requested, find the ht version of any 2091 * 11a channel returned, 2092 * if 11ng is requested, find the ht version of any 2093 * 11g channel returned, 2094 * if 11ac is requested, find the 11ac version 2095 * of any 11a/11na channel returned, 2096 * (TBD) 11acg (2GHz VHT) 2097 * otherwise we should be ok with what we've got. 2098 */ 2099 switch (vap->iv_des_mode) { 2100 case IEEE80211_MODE_11B: 2101 if (IEEE80211_IS_CHAN_ANYG(c)) { 2102 c2 = findchannel(ic, ireq->i_val, 2103 IEEE80211_MODE_11B); 2104 /* NB: should not happen, =>'s 11g w/o 11b */ 2105 if (c2 != NULL) 2106 c = c2; 2107 } 2108 break; 2109 case IEEE80211_MODE_TURBO_A: 2110 if (IEEE80211_IS_CHAN_A(c)) { 2111 c2 = findchannel(ic, ireq->i_val, 2112 IEEE80211_MODE_TURBO_A); 2113 if (c2 != NULL) 2114 c = c2; 2115 } 2116 break; 2117 case IEEE80211_MODE_11NA: 2118 if (IEEE80211_IS_CHAN_A(c)) { 2119 c2 = findchannel(ic, ireq->i_val, 2120 IEEE80211_MODE_11NA); 2121 if (c2 != NULL) 2122 c = c2; 2123 } 2124 break; 2125 case IEEE80211_MODE_11NG: 2126 if (IEEE80211_IS_CHAN_ANYG(c)) { 2127 c2 = findchannel(ic, ireq->i_val, 2128 IEEE80211_MODE_11NG); 2129 if (c2 != NULL) 2130 c = c2; 2131 } 2132 break; 2133 case IEEE80211_MODE_VHT_2GHZ: 2134 printf("%s: TBD\n", __func__); 2135 break; 2136 case IEEE80211_MODE_VHT_5GHZ: 2137 if (IEEE80211_IS_CHAN_A(c)) { 2138 c2 = findchannel(ic, ireq->i_val, 2139 IEEE80211_MODE_VHT_5GHZ); 2140 if (c2 != NULL) 2141 c = c2; 2142 } 2143 break; 2144 default: /* NB: no static turboG */ 2145 break; 2146 } 2147 } 2148 return setcurchan(vap, c); 2149 } 2150 2151 /* 2152 * New/current api for setting the current channel; a complete 2153 * channel description is provide so there is no ambiguity in 2154 * identifying the channel. 2155 */ 2156 static int 2157 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2158 const struct ieee80211req *ireq) 2159 { 2160 struct ieee80211com *ic = vap->iv_ic; 2161 struct ieee80211_channel chan, *c; 2162 int error; 2163 2164 if (ireq->i_len != sizeof(chan)) 2165 return EINVAL; 2166 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2167 if (error != 0) 2168 return error; 2169 2170 /* XXX 0xffff overflows 16-bit signed */ 2171 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2172 c = IEEE80211_CHAN_ANYC; 2173 } else { 2174 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2175 if (c == NULL) 2176 return EINVAL; 2177 } 2178 return setcurchan(vap, c); 2179 } 2180 2181 static int 2182 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2183 const struct ieee80211req *ireq) 2184 { 2185 struct ieee80211_regdomain_req *reg; 2186 int nchans, error; 2187 2188 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2189 sizeof(struct ieee80211_channel)); 2190 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2191 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2192 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2193 ireq->i_len, nchans); 2194 return EINVAL; 2195 } 2196 reg = (struct ieee80211_regdomain_req *) 2197 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2198 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2199 if (reg == NULL) { 2200 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2201 "%s: no memory, nchans %d\n", __func__, nchans); 2202 return ENOMEM; 2203 } 2204 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2205 if (error == 0) { 2206 /* NB: validate inline channel count against storage size */ 2207 if (reg->chaninfo.ic_nchans != nchans) { 2208 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2209 "%s: chan cnt mismatch, %d != %d\n", __func__, 2210 reg->chaninfo.ic_nchans, nchans); 2211 error = EINVAL; 2212 } else 2213 error = ieee80211_setregdomain(vap, reg); 2214 } 2215 IEEE80211_FREE(reg, M_TEMP); 2216 2217 return (error == 0 ? ENETRESET : error); 2218 } 2219 2220 static int 2221 checkrate(const struct ieee80211_rateset *rs, int rate) 2222 { 2223 int i; 2224 2225 if (rate == IEEE80211_FIXED_RATE_NONE) 2226 return 1; 2227 for (i = 0; i < rs->rs_nrates; i++) 2228 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2229 return 1; 2230 return 0; 2231 } 2232 2233 static int 2234 checkmcs(const struct ieee80211_htrateset *rs, int mcs) 2235 { 2236 int rate_val = IEEE80211_RV(mcs); 2237 int i; 2238 2239 if (mcs == IEEE80211_FIXED_RATE_NONE) 2240 return 1; 2241 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2242 return 0; 2243 for (i = 0; i < rs->rs_nrates; i++) 2244 if (IEEE80211_RV(rs->rs_rates[i]) == rate_val) 2245 return 1; 2246 return 0; 2247 } 2248 2249 static int 2250 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2251 const struct ieee80211req *ireq) 2252 { 2253 struct ieee80211com *ic = vap->iv_ic; 2254 struct ieee80211_roamparams_req *parms; 2255 struct ieee80211_roamparam *src, *dst; 2256 const struct ieee80211_htrateset *rs_ht; 2257 const struct ieee80211_rateset *rs; 2258 int changed, error, mode, is11n, nmodes; 2259 2260 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2261 return EINVAL; 2262 2263 parms = IEEE80211_MALLOC(sizeof(*parms), M_TEMP, 2264 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2265 if (parms == NULL) 2266 return ENOMEM; 2267 2268 error = copyin(ireq->i_data, parms, ireq->i_len); 2269 if (error != 0) 2270 goto fail; 2271 2272 changed = 0; 2273 nmodes = IEEE80211_MODE_MAX; 2274 2275 /* validate parameters and check if anything changed */ 2276 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2277 if (isclr(ic->ic_modecaps, mode)) 2278 continue; 2279 src = &parms->params[mode]; 2280 dst = &vap->iv_roamparms[mode]; 2281 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2282 rs_ht = &ic->ic_sup_htrates; 2283 is11n = (mode == IEEE80211_MODE_11NA || 2284 mode == IEEE80211_MODE_11NG); 2285 /* XXX TODO: 11ac */ 2286 if (src->rate != dst->rate) { 2287 if (!checkrate(rs, src->rate) && 2288 (!is11n || !checkmcs(rs_ht, src->rate))) { 2289 error = EINVAL; 2290 goto fail; 2291 } 2292 changed++; 2293 } 2294 if (src->rssi != dst->rssi) 2295 changed++; 2296 } 2297 if (changed) { 2298 /* 2299 * Copy new parameters in place and notify the 2300 * driver so it can push state to the device. 2301 */ 2302 /* XXX locking? */ 2303 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2304 if (isset(ic->ic_modecaps, mode)) 2305 vap->iv_roamparms[mode] = parms->params[mode]; 2306 } 2307 2308 if (vap->iv_roaming == IEEE80211_ROAMING_DEVICE) 2309 error = ERESTART; 2310 } 2311 2312 fail: IEEE80211_FREE(parms, M_TEMP); 2313 return error; 2314 } 2315 2316 static int 2317 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2318 const struct ieee80211req *ireq) 2319 { 2320 struct ieee80211com *ic = vap->iv_ic; 2321 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2322 struct ieee80211_txparam *src, *dst; 2323 const struct ieee80211_htrateset *rs_ht; 2324 const struct ieee80211_rateset *rs; 2325 int error, mode, changed, is11n, nmodes; 2326 2327 /* NB: accept short requests for backwards compat */ 2328 if (ireq->i_len > sizeof(parms)) 2329 return EINVAL; 2330 error = copyin(ireq->i_data, &parms, ireq->i_len); 2331 if (error != 0) 2332 return error; 2333 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2334 changed = 0; 2335 /* validate parameters and check if anything changed */ 2336 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2337 if (isclr(ic->ic_modecaps, mode)) 2338 continue; 2339 src = &parms.params[mode]; 2340 dst = &vap->iv_txparms[mode]; 2341 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2342 rs_ht = &ic->ic_sup_htrates; 2343 is11n = (mode == IEEE80211_MODE_11NA || 2344 mode == IEEE80211_MODE_11NG); 2345 if (src->ucastrate != dst->ucastrate) { 2346 if (!checkrate(rs, src->ucastrate) && 2347 (!is11n || !checkmcs(rs_ht, src->ucastrate))) 2348 return EINVAL; 2349 changed++; 2350 } 2351 if (src->mcastrate != dst->mcastrate) { 2352 if (!checkrate(rs, src->mcastrate) && 2353 (!is11n || !checkmcs(rs_ht, src->mcastrate))) 2354 return EINVAL; 2355 changed++; 2356 } 2357 if (src->mgmtrate != dst->mgmtrate) { 2358 if (!checkrate(rs, src->mgmtrate) && 2359 (!is11n || !checkmcs(rs_ht, src->mgmtrate))) 2360 return EINVAL; 2361 changed++; 2362 } 2363 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2364 changed++; 2365 } 2366 if (changed) { 2367 /* 2368 * Copy new parameters in place and notify the 2369 * driver so it can push state to the device. 2370 */ 2371 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2372 if (isset(ic->ic_modecaps, mode)) 2373 vap->iv_txparms[mode] = parms.params[mode]; 2374 } 2375 /* XXX could be more intelligent, 2376 e.g. don't reset if setting not being used */ 2377 return ENETRESET; 2378 } 2379 return 0; 2380 } 2381 2382 /* 2383 * Application Information Element support. 2384 */ 2385 static int 2386 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2387 { 2388 struct ieee80211_appie *app = *aie; 2389 struct ieee80211_appie *napp; 2390 int error; 2391 2392 if (ireq->i_len == 0) { /* delete any existing ie */ 2393 if (app != NULL) { 2394 *aie = NULL; /* XXX racey */ 2395 IEEE80211_FREE(app, M_80211_NODE_IE); 2396 } 2397 return 0; 2398 } 2399 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2400 return EINVAL; 2401 /* 2402 * Allocate a new appie structure and copy in the user data. 2403 * When done swap in the new structure. Note that we do not 2404 * guard against users holding a ref to the old structure; 2405 * this must be handled outside this code. 2406 * 2407 * XXX bad bad bad 2408 */ 2409 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2410 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2411 IEEE80211_M_NOWAIT); 2412 if (napp == NULL) 2413 return ENOMEM; 2414 /* XXX holding ic lock */ 2415 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2416 if (error) { 2417 IEEE80211_FREE(napp, M_80211_NODE_IE); 2418 return error; 2419 } 2420 napp->ie_len = ireq->i_len; 2421 *aie = napp; 2422 if (app != NULL) 2423 IEEE80211_FREE(app, M_80211_NODE_IE); 2424 return 0; 2425 } 2426 2427 static void 2428 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2429 { 2430 /* validate data is present as best we can */ 2431 if (space == 0 || 2+ie[1] > space) 2432 return; 2433 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2434 vap->iv_wpa_ie = ie; 2435 else if (ie[0] == IEEE80211_ELEMID_RSN) 2436 vap->iv_rsn_ie = ie; 2437 } 2438 2439 static int 2440 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2441 const struct ieee80211req *ireq, int fc0) 2442 { 2443 int error; 2444 2445 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2446 2447 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2448 case IEEE80211_FC0_SUBTYPE_BEACON: 2449 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2450 vap->iv_opmode != IEEE80211_M_IBSS) { 2451 error = EINVAL; 2452 break; 2453 } 2454 error = setappie(&vap->iv_appie_beacon, ireq); 2455 if (error == 0) 2456 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2457 break; 2458 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2459 error = setappie(&vap->iv_appie_proberesp, ireq); 2460 break; 2461 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2462 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2463 error = setappie(&vap->iv_appie_assocresp, ireq); 2464 else 2465 error = EINVAL; 2466 break; 2467 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2468 error = setappie(&vap->iv_appie_probereq, ireq); 2469 break; 2470 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2471 if (vap->iv_opmode == IEEE80211_M_STA) 2472 error = setappie(&vap->iv_appie_assocreq, ireq); 2473 else 2474 error = EINVAL; 2475 break; 2476 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2477 error = setappie(&vap->iv_appie_wpa, ireq); 2478 if (error == 0) { 2479 /* 2480 * Must split single blob of data into separate 2481 * WPA and RSN ie's because they go in different 2482 * locations in the mgt frames. 2483 * XXX use IEEE80211_IOC_WPA2 so user code does split 2484 */ 2485 vap->iv_wpa_ie = NULL; 2486 vap->iv_rsn_ie = NULL; 2487 if (vap->iv_appie_wpa != NULL) { 2488 struct ieee80211_appie *appie = 2489 vap->iv_appie_wpa; 2490 uint8_t *data = appie->ie_data; 2491 2492 /* XXX ie length validate is painful, cheat */ 2493 setwparsnie(vap, data, appie->ie_len); 2494 setwparsnie(vap, data + 2 + data[1], 2495 appie->ie_len - (2 + data[1])); 2496 } 2497 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2498 vap->iv_opmode == IEEE80211_M_IBSS) { 2499 /* 2500 * Must rebuild beacon frame as the update 2501 * mechanism doesn't handle WPA/RSN ie's. 2502 * Could extend it but it doesn't normally 2503 * change; this is just to deal with hostapd 2504 * plumbing the ie after the interface is up. 2505 */ 2506 error = ENETRESET; 2507 } 2508 } 2509 break; 2510 default: 2511 error = EINVAL; 2512 break; 2513 } 2514 return error; 2515 } 2516 2517 static int 2518 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2519 const struct ieee80211req *ireq) 2520 { 2521 struct ieee80211com *ic = vap->iv_ic; 2522 int error; 2523 uint8_t fc0; 2524 2525 fc0 = ireq->i_val & 0xff; 2526 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2527 return EINVAL; 2528 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2529 IEEE80211_LOCK(ic); 2530 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2531 IEEE80211_UNLOCK(ic); 2532 return error; 2533 } 2534 2535 static int 2536 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2537 { 2538 struct ieee80211com *ic = vap->iv_ic; 2539 struct ieee80211_chanswitch_req csr; 2540 struct ieee80211_channel *c; 2541 int error; 2542 2543 if (ireq->i_len != sizeof(csr)) 2544 return EINVAL; 2545 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2546 if (error != 0) 2547 return error; 2548 /* XXX adhoc mode not supported */ 2549 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2550 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2551 return EOPNOTSUPP; 2552 c = ieee80211_find_channel(ic, 2553 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2554 if (c == NULL) 2555 return ENOENT; 2556 IEEE80211_LOCK(ic); 2557 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2558 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2559 else if (csr.csa_count == 0) 2560 ieee80211_csa_cancelswitch(ic); 2561 else 2562 error = EBUSY; 2563 IEEE80211_UNLOCK(ic); 2564 return error; 2565 } 2566 2567 static int 2568 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2569 { 2570 #define IEEE80211_IOC_SCAN_FLAGS \ 2571 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2572 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2573 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2574 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2575 IEEE80211_IOC_SCAN_CHECK) 2576 struct ieee80211com *ic = vap->iv_ic; 2577 int error, i; 2578 2579 /* convert duration */ 2580 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2581 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2582 else { 2583 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2584 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2585 return EINVAL; 2586 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2587 } 2588 /* convert min/max channel dwell */ 2589 if (sr->sr_mindwell != 0) 2590 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2591 if (sr->sr_maxdwell != 0) 2592 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2593 /* NB: silently reduce ssid count to what is supported */ 2594 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2595 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2596 for (i = 0; i < sr->sr_nssid; i++) 2597 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2598 return EINVAL; 2599 /* cleanse flags just in case, could reject if invalid flags */ 2600 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2601 /* 2602 * Add an implicit NOPICK if the vap is not marked UP. This 2603 * allows applications to scan without joining a bss (or picking 2604 * a channel and setting up a bss) and without forcing manual 2605 * roaming mode--you just need to mark the parent device UP. 2606 */ 2607 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2608 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2609 2610 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2611 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2612 __func__, sr->sr_flags, 2613 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2614 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2615 /* 2616 * If we are in INIT state then the driver has never had a chance 2617 * to setup hardware state to do a scan; we must use the state 2618 * machine to get us up to the SCAN state but once we reach SCAN 2619 * state we then want to use the supplied params. Stash the 2620 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2621 * state machines will recognize this and use the stashed params 2622 * to issue the scan request. 2623 * 2624 * Otherwise just invoke the scan machinery directly. 2625 */ 2626 IEEE80211_LOCK(ic); 2627 if (ic->ic_nrunning == 0) { 2628 IEEE80211_UNLOCK(ic); 2629 return ENXIO; 2630 } 2631 2632 if (vap->iv_state == IEEE80211_S_INIT) { 2633 /* NB: clobbers previous settings */ 2634 vap->iv_scanreq_flags = sr->sr_flags; 2635 vap->iv_scanreq_duration = sr->sr_duration; 2636 vap->iv_scanreq_nssid = sr->sr_nssid; 2637 for (i = 0; i < sr->sr_nssid; i++) { 2638 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2639 memcpy(vap->iv_scanreq_ssid[i].ssid, 2640 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2641 } 2642 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2643 IEEE80211_UNLOCK(ic); 2644 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2645 } else { 2646 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2647 IEEE80211_UNLOCK(ic); 2648 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2649 error = ieee80211_check_scan(vap, sr->sr_flags, 2650 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2651 sr->sr_nssid, 2652 /* NB: cheat, we assume structures are compatible */ 2653 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2654 } else { 2655 error = ieee80211_start_scan(vap, sr->sr_flags, 2656 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2657 sr->sr_nssid, 2658 /* NB: cheat, we assume structures are compatible */ 2659 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2660 } 2661 if (error == 0) 2662 return EINPROGRESS; 2663 } 2664 return 0; 2665 #undef IEEE80211_IOC_SCAN_FLAGS 2666 } 2667 2668 static int 2669 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2670 { 2671 struct ieee80211_scan_req *sr; 2672 int error; 2673 2674 if (ireq->i_len != sizeof(*sr)) 2675 return EINVAL; 2676 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2677 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2678 if (sr == NULL) 2679 return ENOMEM; 2680 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2681 if (error != 0) 2682 goto bad; 2683 error = ieee80211_scanreq(vap, sr); 2684 bad: 2685 IEEE80211_FREE(sr, M_TEMP); 2686 return error; 2687 } 2688 2689 static int 2690 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2691 { 2692 struct ieee80211_node *ni; 2693 struct ieee80211req_sta_vlan vlan; 2694 int error; 2695 2696 if (ireq->i_len != sizeof(vlan)) 2697 return EINVAL; 2698 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2699 if (error != 0) 2700 return error; 2701 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2702 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2703 vlan.sv_macaddr); 2704 if (ni == NULL) 2705 return ENOENT; 2706 } else 2707 ni = ieee80211_ref_node(vap->iv_bss); 2708 ni->ni_vlan = vlan.sv_vlan; 2709 ieee80211_free_node(ni); 2710 return error; 2711 } 2712 2713 static int 2714 isvap11g(const struct ieee80211vap *vap) 2715 { 2716 const struct ieee80211_node *bss = vap->iv_bss; 2717 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2718 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2719 } 2720 2721 static int 2722 isvapht(const struct ieee80211vap *vap) 2723 { 2724 const struct ieee80211_node *bss = vap->iv_bss; 2725 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2726 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2727 } 2728 2729 /* 2730 * Dummy ioctl set handler so the linker set is defined. 2731 */ 2732 static int 2733 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2734 { 2735 return ENOSYS; 2736 } 2737 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2738 2739 static int 2740 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2741 { 2742 ieee80211_ioctl_setfunc * const *set; 2743 int error; 2744 2745 SET_FOREACH(set, ieee80211_ioctl_setset) { 2746 error = (*set)(vap, ireq); 2747 if (error != ENOSYS) 2748 return error; 2749 } 2750 return EINVAL; 2751 } 2752 2753 static int 2754 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2755 { 2756 struct ieee80211com *ic = vap->iv_ic; 2757 int error; 2758 const struct ieee80211_authenticator *auth; 2759 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2760 char tmpssid[IEEE80211_NWID_LEN]; 2761 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2762 struct ieee80211_key *k; 2763 u_int kid; 2764 uint32_t flags; 2765 2766 error = 0; 2767 switch (ireq->i_type) { 2768 case IEEE80211_IOC_SSID: 2769 if (ireq->i_val != 0 || 2770 ireq->i_len > IEEE80211_NWID_LEN) 2771 return EINVAL; 2772 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2773 if (error) 2774 break; 2775 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2776 vap->iv_des_ssid[0].len = ireq->i_len; 2777 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2778 vap->iv_des_nssid = (ireq->i_len > 0); 2779 error = ENETRESET; 2780 break; 2781 case IEEE80211_IOC_WEP: 2782 switch (ireq->i_val) { 2783 case IEEE80211_WEP_OFF: 2784 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2785 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2786 break; 2787 case IEEE80211_WEP_ON: 2788 vap->iv_flags |= IEEE80211_F_PRIVACY; 2789 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2790 break; 2791 case IEEE80211_WEP_MIXED: 2792 vap->iv_flags |= IEEE80211_F_PRIVACY; 2793 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2794 break; 2795 } 2796 error = ENETRESET; 2797 break; 2798 case IEEE80211_IOC_WEPKEY: 2799 kid = (u_int) ireq->i_val; 2800 if (kid >= IEEE80211_WEP_NKID) 2801 return EINVAL; 2802 k = &vap->iv_nw_keys[kid]; 2803 if (ireq->i_len == 0) { 2804 /* zero-len =>'s delete any existing key */ 2805 (void) ieee80211_crypto_delkey(vap, k); 2806 break; 2807 } 2808 if (ireq->i_len > sizeof(tmpkey)) 2809 return EINVAL; 2810 memset(tmpkey, 0, sizeof(tmpkey)); 2811 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2812 if (error) 2813 break; 2814 ieee80211_key_update_begin(vap); 2815 k->wk_keyix = kid; /* NB: force fixed key id */ 2816 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2817 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2818 k->wk_keylen = ireq->i_len; 2819 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2820 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2821 if (!ieee80211_crypto_setkey(vap, k)) 2822 error = EINVAL; 2823 } else 2824 error = EINVAL; 2825 ieee80211_key_update_end(vap); 2826 break; 2827 case IEEE80211_IOC_WEPTXKEY: 2828 kid = (u_int) ireq->i_val; 2829 if (kid >= IEEE80211_WEP_NKID && 2830 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2831 return EINVAL; 2832 /* 2833 * Firmware devices may need to be told about an explicit 2834 * key index here, versus just inferring it from the 2835 * key set / change. Since we may also need to pause 2836 * things like transmit before the key is updated, 2837 * give the driver a chance to flush things by tying 2838 * into key update begin/end. 2839 */ 2840 ieee80211_key_update_begin(vap); 2841 ieee80211_crypto_set_deftxkey(vap, kid); 2842 ieee80211_key_update_end(vap); 2843 break; 2844 case IEEE80211_IOC_AUTHMODE: 2845 switch (ireq->i_val) { 2846 case IEEE80211_AUTH_WPA: 2847 case IEEE80211_AUTH_8021X: /* 802.1x */ 2848 case IEEE80211_AUTH_OPEN: /* open */ 2849 case IEEE80211_AUTH_SHARED: /* shared-key */ 2850 case IEEE80211_AUTH_AUTO: /* auto */ 2851 auth = ieee80211_authenticator_get(ireq->i_val); 2852 if (auth == NULL) 2853 return EINVAL; 2854 break; 2855 default: 2856 return EINVAL; 2857 } 2858 switch (ireq->i_val) { 2859 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2860 vap->iv_flags |= IEEE80211_F_PRIVACY; 2861 ireq->i_val = IEEE80211_AUTH_8021X; 2862 break; 2863 case IEEE80211_AUTH_OPEN: /* open */ 2864 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2865 break; 2866 case IEEE80211_AUTH_SHARED: /* shared-key */ 2867 case IEEE80211_AUTH_8021X: /* 802.1x */ 2868 vap->iv_flags &= ~IEEE80211_F_WPA; 2869 /* both require a key so mark the PRIVACY capability */ 2870 vap->iv_flags |= IEEE80211_F_PRIVACY; 2871 break; 2872 case IEEE80211_AUTH_AUTO: /* auto */ 2873 vap->iv_flags &= ~IEEE80211_F_WPA; 2874 /* XXX PRIVACY handling? */ 2875 /* XXX what's the right way to do this? */ 2876 break; 2877 } 2878 /* NB: authenticator attach/detach happens on state change */ 2879 vap->iv_bss->ni_authmode = ireq->i_val; 2880 /* XXX mixed/mode/usage? */ 2881 vap->iv_auth = auth; 2882 error = ENETRESET; 2883 break; 2884 case IEEE80211_IOC_CHANNEL: 2885 error = ieee80211_ioctl_setchannel(vap, ireq); 2886 break; 2887 case IEEE80211_IOC_POWERSAVE: 2888 switch (ireq->i_val) { 2889 case IEEE80211_POWERSAVE_OFF: 2890 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2891 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2892 error = ERESTART; 2893 } 2894 break; 2895 case IEEE80211_POWERSAVE_ON: 2896 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2897 error = EOPNOTSUPP; 2898 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2899 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2900 error = ERESTART; 2901 } 2902 break; 2903 default: 2904 error = EINVAL; 2905 break; 2906 } 2907 break; 2908 case IEEE80211_IOC_POWERSAVESLEEP: 2909 if (ireq->i_val < 0) 2910 return EINVAL; 2911 ic->ic_lintval = ireq->i_val; 2912 error = ERESTART; 2913 break; 2914 case IEEE80211_IOC_RTSTHRESHOLD: 2915 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2916 ireq->i_val <= IEEE80211_RTS_MAX)) 2917 return EINVAL; 2918 vap->iv_rtsthreshold = ireq->i_val; 2919 error = ERESTART; 2920 break; 2921 case IEEE80211_IOC_PROTMODE: 2922 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2923 return EINVAL; 2924 vap->iv_protmode = (enum ieee80211_protmode)ireq->i_val; 2925 /* NB: if not operating in 11g this can wait */ 2926 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2927 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2928 error = ERESTART; 2929 /* driver callback for protection mode update */ 2930 ieee80211_vap_update_erp_protmode(vap); 2931 break; 2932 case IEEE80211_IOC_TXPOWER: 2933 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2934 return EOPNOTSUPP; 2935 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2936 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2937 return EINVAL; 2938 ic->ic_txpowlimit = ireq->i_val; 2939 error = ERESTART; 2940 break; 2941 case IEEE80211_IOC_ROAMING: 2942 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2943 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2944 return EINVAL; 2945 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2946 /* XXXX reset? */ 2947 break; 2948 case IEEE80211_IOC_PRIVACY: 2949 if (ireq->i_val) { 2950 /* XXX check for key state? */ 2951 vap->iv_flags |= IEEE80211_F_PRIVACY; 2952 } else 2953 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2954 /* XXX ERESTART? */ 2955 break; 2956 case IEEE80211_IOC_DROPUNENCRYPTED: 2957 if (ireq->i_val) 2958 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2959 else 2960 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2961 /* XXX ERESTART? */ 2962 break; 2963 case IEEE80211_IOC_WPAKEY: 2964 error = ieee80211_ioctl_setkey(vap, ireq); 2965 break; 2966 case IEEE80211_IOC_DELKEY: 2967 error = ieee80211_ioctl_delkey(vap, ireq); 2968 break; 2969 case IEEE80211_IOC_MLME: 2970 error = ieee80211_ioctl_setmlme(vap, ireq); 2971 break; 2972 case IEEE80211_IOC_COUNTERMEASURES: 2973 if (ireq->i_val) { 2974 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2975 return EOPNOTSUPP; 2976 vap->iv_flags |= IEEE80211_F_COUNTERM; 2977 } else 2978 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2979 /* XXX ERESTART? */ 2980 break; 2981 case IEEE80211_IOC_WPA: 2982 if (ireq->i_val > 3) 2983 return EINVAL; 2984 /* XXX verify ciphers available */ 2985 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2986 switch (ireq->i_val) { 2987 case 0: 2988 /* wpa_supplicant calls this to clear the WPA config */ 2989 break; 2990 case 1: 2991 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2992 return EOPNOTSUPP; 2993 flags |= IEEE80211_F_WPA1; 2994 break; 2995 case 2: 2996 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2997 return EOPNOTSUPP; 2998 flags |= IEEE80211_F_WPA2; 2999 break; 3000 case 3: 3001 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 3002 return EOPNOTSUPP; 3003 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 3004 break; 3005 default: /* Can't set any -> error */ 3006 return EOPNOTSUPP; 3007 } 3008 vap->iv_flags = flags; 3009 error = ERESTART; /* NB: can change beacon frame */ 3010 break; 3011 case IEEE80211_IOC_WME: 3012 if (ireq->i_val) { 3013 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 3014 return EOPNOTSUPP; 3015 ieee80211_syncflag(vap, IEEE80211_F_WME); 3016 } else 3017 ieee80211_syncflag(vap, -IEEE80211_F_WME); 3018 error = ERESTART; /* NB: can change beacon frame */ 3019 break; 3020 case IEEE80211_IOC_HIDESSID: 3021 if (ireq->i_val) 3022 vap->iv_flags |= IEEE80211_F_HIDESSID; 3023 else 3024 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 3025 error = ERESTART; /* XXX ENETRESET? */ 3026 break; 3027 case IEEE80211_IOC_APBRIDGE: 3028 if (ireq->i_val == 0) 3029 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 3030 else 3031 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 3032 break; 3033 case IEEE80211_IOC_BSSID: 3034 if (ireq->i_len != sizeof(tmpbssid)) 3035 return EINVAL; 3036 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 3037 if (error) 3038 break; 3039 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 3040 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 3041 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 3042 else 3043 vap->iv_flags |= IEEE80211_F_DESBSSID; 3044 error = ENETRESET; 3045 break; 3046 case IEEE80211_IOC_CHANLIST: 3047 error = ieee80211_ioctl_setchanlist(vap, ireq); 3048 break; 3049 #define OLD_IEEE80211_IOC_SCAN_REQ 23 3050 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 3051 case OLD_IEEE80211_IOC_SCAN_REQ: 3052 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3053 "%s: active scan request\n", __func__); 3054 /* 3055 * If we are in INIT state then the driver has never 3056 * had a chance to setup hardware state to do a scan; 3057 * use the state machine to get us up the SCAN state. 3058 * Otherwise just invoke the scan machinery to start 3059 * a one-time scan. 3060 */ 3061 if (vap->iv_state == IEEE80211_S_INIT) 3062 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 3063 else 3064 (void) ieee80211_start_scan(vap, 3065 IEEE80211_SCAN_ACTIVE | 3066 IEEE80211_SCAN_NOPICK | 3067 IEEE80211_SCAN_ONCE, 3068 IEEE80211_SCAN_FOREVER, 0, 0, 3069 /* XXX use ioctl params */ 3070 vap->iv_des_nssid, vap->iv_des_ssid); 3071 break; 3072 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 3073 case IEEE80211_IOC_SCAN_REQ: 3074 error = ieee80211_ioctl_scanreq(vap, ireq); 3075 break; 3076 case IEEE80211_IOC_SCAN_CANCEL: 3077 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3078 "%s: cancel scan\n", __func__); 3079 ieee80211_cancel_scan(vap); 3080 break; 3081 case IEEE80211_IOC_HTCONF: 3082 if (ireq->i_val & 1) 3083 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 3084 else 3085 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 3086 if (ireq->i_val & 2) 3087 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 3088 else 3089 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 3090 error = ENETRESET; 3091 break; 3092 case IEEE80211_IOC_ADDMAC: 3093 case IEEE80211_IOC_DELMAC: 3094 error = ieee80211_ioctl_macmac(vap, ireq); 3095 break; 3096 case IEEE80211_IOC_MACCMD: 3097 error = ieee80211_ioctl_setmaccmd(vap, ireq); 3098 break; 3099 case IEEE80211_IOC_STA_STATS: 3100 error = ieee80211_ioctl_setstastats(vap, ireq); 3101 break; 3102 case IEEE80211_IOC_STA_TXPOW: 3103 error = ieee80211_ioctl_setstatxpow(vap, ireq); 3104 break; 3105 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 3106 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 3107 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 3108 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 3109 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 3110 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 3111 error = ieee80211_ioctl_setwmeparam(vap, ireq); 3112 break; 3113 case IEEE80211_IOC_DTIM_PERIOD: 3114 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3115 vap->iv_opmode != IEEE80211_M_MBSS && 3116 vap->iv_opmode != IEEE80211_M_IBSS) 3117 return EINVAL; 3118 if (IEEE80211_DTIM_MIN <= ireq->i_val && 3119 ireq->i_val <= IEEE80211_DTIM_MAX) { 3120 vap->iv_dtim_period = ireq->i_val; 3121 error = ENETRESET; /* requires restart */ 3122 } else 3123 error = EINVAL; 3124 break; 3125 case IEEE80211_IOC_BEACON_INTERVAL: 3126 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3127 vap->iv_opmode != IEEE80211_M_MBSS && 3128 vap->iv_opmode != IEEE80211_M_IBSS) 3129 return EINVAL; 3130 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 3131 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 3132 ic->ic_bintval = ireq->i_val; 3133 error = ENETRESET; /* requires restart */ 3134 } else 3135 error = EINVAL; 3136 break; 3137 case IEEE80211_IOC_PUREG: 3138 if (ireq->i_val) 3139 vap->iv_flags |= IEEE80211_F_PUREG; 3140 else 3141 vap->iv_flags &= ~IEEE80211_F_PUREG; 3142 /* NB: reset only if we're operating on an 11g channel */ 3143 if (isvap11g(vap)) 3144 error = ENETRESET; 3145 break; 3146 case IEEE80211_IOC_QUIET: 3147 vap->iv_quiet= ireq->i_val; 3148 break; 3149 case IEEE80211_IOC_QUIET_COUNT: 3150 vap->iv_quiet_count=ireq->i_val; 3151 break; 3152 case IEEE80211_IOC_QUIET_PERIOD: 3153 vap->iv_quiet_period=ireq->i_val; 3154 break; 3155 case IEEE80211_IOC_QUIET_OFFSET: 3156 vap->iv_quiet_offset=ireq->i_val; 3157 break; 3158 case IEEE80211_IOC_QUIET_DUR: 3159 if(ireq->i_val < vap->iv_bss->ni_intval) 3160 vap->iv_quiet_duration = ireq->i_val; 3161 else 3162 error = EINVAL; 3163 break; 3164 case IEEE80211_IOC_BGSCAN: 3165 if (ireq->i_val) { 3166 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3167 return EOPNOTSUPP; 3168 vap->iv_flags |= IEEE80211_F_BGSCAN; 3169 } else 3170 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3171 break; 3172 case IEEE80211_IOC_BGSCAN_IDLE: 3173 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3174 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3175 else 3176 error = EINVAL; 3177 break; 3178 case IEEE80211_IOC_BGSCAN_INTERVAL: 3179 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3180 vap->iv_bgscanintvl = ireq->i_val*hz; 3181 else 3182 error = EINVAL; 3183 break; 3184 case IEEE80211_IOC_SCANVALID: 3185 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3186 vap->iv_scanvalid = ireq->i_val*hz; 3187 else 3188 error = EINVAL; 3189 break; 3190 case IEEE80211_IOC_FRAGTHRESHOLD: 3191 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3192 ireq->i_val != IEEE80211_FRAG_MAX) 3193 return EOPNOTSUPP; 3194 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3195 ireq->i_val <= IEEE80211_FRAG_MAX)) 3196 return EINVAL; 3197 vap->iv_fragthreshold = ireq->i_val; 3198 error = ERESTART; 3199 break; 3200 case IEEE80211_IOC_BURST: 3201 if (ireq->i_val) { 3202 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3203 return EOPNOTSUPP; 3204 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3205 } else 3206 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3207 error = ERESTART; 3208 break; 3209 case IEEE80211_IOC_BMISSTHRESHOLD: 3210 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3211 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3212 return EINVAL; 3213 vap->iv_bmissthreshold = ireq->i_val; 3214 error = ERESTART; 3215 break; 3216 case IEEE80211_IOC_CURCHAN: 3217 error = ieee80211_ioctl_setcurchan(vap, ireq); 3218 break; 3219 case IEEE80211_IOC_SHORTGI: 3220 if (ireq->i_val) { 3221 #define IEEE80211_HTCAP_SHORTGI \ 3222 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3223 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3224 return EINVAL; 3225 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3226 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3227 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3228 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3229 #undef IEEE80211_HTCAP_SHORTGI 3230 } else 3231 vap->iv_flags_ht &= 3232 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3233 error = ERESTART; 3234 break; 3235 case IEEE80211_IOC_AMPDU: 3236 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3237 return EINVAL; 3238 if (ireq->i_val & 1) 3239 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3240 else 3241 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3242 if (ireq->i_val & 2) 3243 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3244 else 3245 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3246 /* NB: reset only if we're operating on an 11n channel */ 3247 if (isvapht(vap)) 3248 error = ERESTART; 3249 break; 3250 case IEEE80211_IOC_AMPDU_LIMIT: 3251 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */ 3252 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3253 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3254 return EINVAL; 3255 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3256 vap->iv_ampdu_rxmax = ireq->i_val; 3257 else 3258 vap->iv_ampdu_limit = ireq->i_val; 3259 error = ERESTART; 3260 break; 3261 case IEEE80211_IOC_AMPDU_DENSITY: 3262 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3263 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3264 return EINVAL; 3265 vap->iv_ampdu_density = ireq->i_val; 3266 error = ERESTART; 3267 break; 3268 case IEEE80211_IOC_AMSDU: 3269 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3270 return EINVAL; 3271 if (ireq->i_val & 1) 3272 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3273 else 3274 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3275 if (ireq->i_val & 2) 3276 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3277 else 3278 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 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_AMSDU_LIMIT: 3284 /* XXX validate */ 3285 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3286 break; 3287 case IEEE80211_IOC_PUREN: 3288 if (ireq->i_val) { 3289 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3290 return EINVAL; 3291 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3292 } else 3293 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3294 /* NB: reset only if we're operating on an 11n channel */ 3295 if (isvapht(vap)) 3296 error = ERESTART; 3297 break; 3298 case IEEE80211_IOC_DOTH: 3299 if (ireq->i_val) { 3300 #if 0 3301 /* XXX no capability */ 3302 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3303 return EOPNOTSUPP; 3304 #endif 3305 vap->iv_flags |= IEEE80211_F_DOTH; 3306 } else 3307 vap->iv_flags &= ~IEEE80211_F_DOTH; 3308 error = ENETRESET; 3309 break; 3310 case IEEE80211_IOC_REGDOMAIN: 3311 error = ieee80211_ioctl_setregdomain(vap, ireq); 3312 break; 3313 case IEEE80211_IOC_ROAM: 3314 error = ieee80211_ioctl_setroam(vap, ireq); 3315 break; 3316 case IEEE80211_IOC_TXPARAMS: 3317 error = ieee80211_ioctl_settxparams(vap, ireq); 3318 break; 3319 case IEEE80211_IOC_HTCOMPAT: 3320 if (ireq->i_val) { 3321 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3322 return EOPNOTSUPP; 3323 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3324 } else 3325 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3326 /* NB: reset only if we're operating on an 11n channel */ 3327 if (isvapht(vap)) 3328 error = ERESTART; 3329 break; 3330 case IEEE80211_IOC_DWDS: 3331 if (ireq->i_val) { 3332 /* NB: DWDS only makes sense for WDS-capable devices */ 3333 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3334 return EOPNOTSUPP; 3335 /* NB: DWDS is used only with ap+sta vaps */ 3336 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3337 vap->iv_opmode != IEEE80211_M_STA) 3338 return EINVAL; 3339 vap->iv_flags |= IEEE80211_F_DWDS; 3340 if (vap->iv_opmode == IEEE80211_M_STA) 3341 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3342 } else { 3343 vap->iv_flags &= ~IEEE80211_F_DWDS; 3344 if (vap->iv_opmode == IEEE80211_M_STA) 3345 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3346 } 3347 break; 3348 case IEEE80211_IOC_INACTIVITY: 3349 if (ireq->i_val) 3350 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3351 else 3352 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3353 break; 3354 case IEEE80211_IOC_APPIE: 3355 error = ieee80211_ioctl_setappie(vap, ireq); 3356 break; 3357 case IEEE80211_IOC_WPS: 3358 if (ireq->i_val) { 3359 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3360 return EOPNOTSUPP; 3361 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3362 } else 3363 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3364 break; 3365 case IEEE80211_IOC_TSN: 3366 if (ireq->i_val) { 3367 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3368 return EOPNOTSUPP; 3369 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3370 } else 3371 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3372 break; 3373 case IEEE80211_IOC_CHANSWITCH: 3374 error = ieee80211_ioctl_chanswitch(vap, ireq); 3375 break; 3376 case IEEE80211_IOC_DFS: 3377 if (ireq->i_val) { 3378 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3379 return EOPNOTSUPP; 3380 /* NB: DFS requires 11h support */ 3381 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3382 return EINVAL; 3383 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3384 } else 3385 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3386 break; 3387 case IEEE80211_IOC_DOTD: 3388 if (ireq->i_val) 3389 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3390 else 3391 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3392 if (vap->iv_opmode == IEEE80211_M_STA) 3393 error = ENETRESET; 3394 break; 3395 case IEEE80211_IOC_HTPROTMODE: 3396 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3397 return EINVAL; 3398 vap->iv_htprotmode = ireq->i_val ? 3399 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3400 /* NB: if not operating in 11n this can wait */ 3401 if (isvapht(vap)) 3402 error = ERESTART; 3403 /* Notify driver layer of HT protmode changes */ 3404 ieee80211_vap_update_ht_protmode(vap); 3405 break; 3406 case IEEE80211_IOC_STA_VLAN: 3407 error = ieee80211_ioctl_setstavlan(vap, ireq); 3408 break; 3409 case IEEE80211_IOC_SMPS: 3410 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3411 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3412 return EINVAL; 3413 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3414 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3415 return EOPNOTSUPP; 3416 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3417 ireq->i_val; 3418 /* NB: if not operating in 11n this can wait */ 3419 if (isvapht(vap)) 3420 error = ERESTART; 3421 break; 3422 case IEEE80211_IOC_RIFS: 3423 if (ireq->i_val != 0) { 3424 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3425 return EOPNOTSUPP; 3426 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3427 } else 3428 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3429 /* NB: if not operating in 11n this can wait */ 3430 if (isvapht(vap)) 3431 error = ERESTART; 3432 break; 3433 case IEEE80211_IOC_STBC: 3434 /* Check if we can do STBC TX/RX before changing the setting */ 3435 if ((ireq->i_val & 1) && 3436 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0)) 3437 return EOPNOTSUPP; 3438 if ((ireq->i_val & 2) && 3439 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0)) 3440 return EOPNOTSUPP; 3441 3442 /* TX */ 3443 if (ireq->i_val & 1) 3444 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX; 3445 else 3446 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX; 3447 3448 /* RX */ 3449 if (ireq->i_val & 2) 3450 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX; 3451 else 3452 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX; 3453 3454 /* NB: reset only if we're operating on an 11n channel */ 3455 if (isvapht(vap)) 3456 error = ERESTART; 3457 break; 3458 case IEEE80211_IOC_LDPC: 3459 /* Check if we can do LDPC TX/RX before changing the setting */ 3460 if ((ireq->i_val & 1) && 3461 (vap->iv_htcaps & IEEE80211_HTC_TXLDPC) == 0) 3462 return EOPNOTSUPP; 3463 if ((ireq->i_val & 2) && 3464 (vap->iv_htcaps & IEEE80211_HTCAP_LDPC) == 0) 3465 return EOPNOTSUPP; 3466 3467 /* TX */ 3468 if (ireq->i_val & 1) 3469 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX; 3470 else 3471 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_TX; 3472 3473 /* RX */ 3474 if (ireq->i_val & 2) 3475 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX; 3476 else 3477 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_RX; 3478 3479 /* NB: reset only if we're operating on an 11n channel */ 3480 if (isvapht(vap)) 3481 error = ERESTART; 3482 break; 3483 case IEEE80211_IOC_UAPSD: 3484 if ((vap->iv_caps & IEEE80211_C_UAPSD) == 0) 3485 return EOPNOTSUPP; 3486 if (ireq->i_val == 0) 3487 vap->iv_flags_ext &= ~IEEE80211_FEXT_UAPSD; 3488 else if (ireq->i_val == 1) 3489 vap->iv_flags_ext |= IEEE80211_FEXT_UAPSD; 3490 else 3491 return EINVAL; 3492 break; 3493 3494 /* VHT */ 3495 case IEEE80211_IOC_VHTCONF: 3496 if (ireq->i_val & 1) 3497 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_VHT); 3498 else 3499 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_VHT); 3500 3501 if (ireq->i_val & 2) 3502 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT40); 3503 else 3504 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT40); 3505 3506 if (ireq->i_val & 4) 3507 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80); 3508 else 3509 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80); 3510 3511 if (ireq->i_val & 8) 3512 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80P80); 3513 else 3514 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80P80); 3515 3516 if (ireq->i_val & 16) 3517 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT160); 3518 else 3519 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT160); 3520 3521 error = ENETRESET; 3522 break; 3523 3524 default: 3525 error = ieee80211_ioctl_setdefault(vap, ireq); 3526 break; 3527 } 3528 /* 3529 * The convention is that ENETRESET means an operation 3530 * requires a complete re-initialization of the device (e.g. 3531 * changing something that affects the association state). 3532 * ERESTART means the request may be handled with only a 3533 * reload of the hardware state. We hand ERESTART requests 3534 * to the iv_reset callback so the driver can decide. If 3535 * a device does not fillin iv_reset then it defaults to one 3536 * that returns ENETRESET. Otherwise a driver may return 3537 * ENETRESET (in which case a full reset will be done) or 3538 * 0 to mean there's no need to do anything (e.g. when the 3539 * change has no effect on the driver/device). 3540 */ 3541 if (error == ERESTART) 3542 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3543 vap->iv_reset(vap, ireq->i_type) : 0; 3544 if (error == ENETRESET) { 3545 /* XXX need to re-think AUTO handling */ 3546 if (IS_UP_AUTO(vap)) 3547 ieee80211_init(vap); 3548 error = 0; 3549 } 3550 return error; 3551 } 3552 3553 int 3554 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3555 { 3556 struct ieee80211vap *vap = ifp->if_softc; 3557 struct ieee80211com *ic = vap->iv_ic; 3558 int error = 0, wait = 0, ic_used; 3559 struct ifreq *ifr; 3560 struct ifaddr *ifa; /* XXX */ 3561 3562 ic_used = (cmd != SIOCSIFMTU && cmd != SIOCG80211STATS); 3563 if (ic_used && (error = ieee80211_com_vincref(vap)) != 0) 3564 return (error); 3565 3566 switch (cmd) { 3567 case SIOCSIFFLAGS: 3568 IEEE80211_LOCK(ic); 3569 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) { 3570 /* 3571 * Enable promiscuous mode when: 3572 * 1. Interface is not a member of bridge, or 3573 * 2. Requested by user, or 3574 * 3. In monitor (or adhoc-demo) mode. 3575 */ 3576 if (ifp->if_bridge == NULL || 3577 (ifp->if_flags & IFF_PPROMISC) != 0 || 3578 vap->iv_opmode == IEEE80211_M_MONITOR || 3579 (vap->iv_opmode == IEEE80211_M_AHDEMO && 3580 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) { 3581 ieee80211_promisc(vap, 3582 ifp->if_flags & IFF_PROMISC); 3583 vap->iv_ifflags ^= IFF_PROMISC; 3584 } 3585 } 3586 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) { 3587 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3588 vap->iv_ifflags ^= IFF_ALLMULTI; 3589 } 3590 if (ifp->if_flags & IFF_UP) { 3591 /* 3592 * Bring ourself up unless we're already operational. 3593 * If we're the first vap and the parent is not up 3594 * then it will automatically be brought up as a 3595 * side-effect of bringing ourself up. 3596 */ 3597 if (vap->iv_state == IEEE80211_S_INIT) { 3598 if (ic->ic_nrunning == 0) 3599 wait = 1; 3600 ieee80211_start_locked(vap); 3601 } 3602 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3603 /* 3604 * Stop ourself. If we are the last vap to be 3605 * marked down the parent will also be taken down. 3606 */ 3607 if (ic->ic_nrunning == 1) 3608 wait = 1; 3609 ieee80211_stop_locked(vap); 3610 } 3611 IEEE80211_UNLOCK(ic); 3612 /* Wait for parent ioctl handler if it was queued */ 3613 if (wait) { 3614 struct epoch_tracker et; 3615 3616 ieee80211_waitfor_parent(ic); 3617 3618 /* 3619 * Check if the MAC address was changed 3620 * via SIOCSIFLLADDR ioctl. 3621 * 3622 * NB: device may be detached during initialization; 3623 * use if_ioctl for existence check. 3624 */ 3625 NET_EPOCH_ENTER(et); 3626 if (ifp->if_ioctl == ieee80211_ioctl && 3627 (ifp->if_flags & IFF_UP) == 0 && 3628 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp))) 3629 IEEE80211_ADDR_COPY(vap->iv_myaddr, 3630 IF_LLADDR(ifp)); 3631 NET_EPOCH_EXIT(et); 3632 } 3633 break; 3634 case SIOCADDMULTI: 3635 case SIOCDELMULTI: 3636 ieee80211_runtask(ic, &ic->ic_mcast_task); 3637 break; 3638 case SIOCSIFMEDIA: 3639 case SIOCGIFMEDIA: 3640 ifr = (struct ifreq *)data; 3641 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3642 break; 3643 case SIOCG80211: 3644 error = ieee80211_ioctl_get80211(vap, cmd, 3645 (struct ieee80211req *) data); 3646 break; 3647 case SIOCS80211: 3648 /* XXX TODO: move priv check to ieee80211_freebsd.c */ 3649 error = priv_check(curthread, PRIV_NET80211_VAP_MANAGE); 3650 if (error == 0) 3651 error = ieee80211_ioctl_set80211(vap, cmd, 3652 (struct ieee80211req *) data); 3653 break; 3654 case SIOCG80211STATS: 3655 ifr = (struct ifreq *)data; 3656 copyout(&vap->iv_stats, ifr_data_get_ptr(ifr), 3657 sizeof (vap->iv_stats)); 3658 break; 3659 case SIOCSIFMTU: 3660 ifr = (struct ifreq *)data; 3661 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3662 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3663 error = EINVAL; 3664 else 3665 ifp->if_mtu = ifr->ifr_mtu; 3666 break; 3667 case SIOCSIFADDR: 3668 /* 3669 * XXX Handle this directly so we can suppress if_init calls. 3670 * XXX This should be done in ether_ioctl but for the moment 3671 * XXX there are too many other parts of the system that 3672 * XXX set IFF_UP and so suppress if_init being called when 3673 * XXX it should be. 3674 */ 3675 ifa = (struct ifaddr *) data; 3676 switch (ifa->ifa_addr->sa_family) { 3677 #ifdef INET 3678 case AF_INET: 3679 if ((ifp->if_flags & IFF_UP) == 0) { 3680 ifp->if_flags |= IFF_UP; 3681 ifp->if_init(ifp->if_softc); 3682 } 3683 arp_ifinit(ifp, ifa); 3684 break; 3685 #endif 3686 default: 3687 if ((ifp->if_flags & IFF_UP) == 0) { 3688 ifp->if_flags |= IFF_UP; 3689 ifp->if_init(ifp->if_softc); 3690 } 3691 break; 3692 } 3693 break; 3694 case SIOCSIFLLADDR: 3695 /* XXX TODO: move priv check to ieee80211_freebsd.c */ 3696 error = priv_check(curthread, PRIV_NET80211_VAP_SETMAC); 3697 if (error == 0) 3698 break; 3699 /* Fallthrough */ 3700 default: 3701 /* 3702 * Pass unknown ioctls first to the driver, and if it 3703 * returns ENOTTY, then to the generic Ethernet handler. 3704 */ 3705 if (ic->ic_ioctl != NULL && 3706 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3707 break; 3708 error = ether_ioctl(ifp, cmd, data); 3709 break; 3710 } 3711 3712 if (ic_used) 3713 ieee80211_com_vdecref(vap); 3714 3715 return (error); 3716 } 3717