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 case IEEE80211_IOC_VHTCONF: 1163 ireq->i_val = vap->iv_flags_vht & IEEE80211_FVHT_MASK; 1164 break; 1165 default: 1166 error = ieee80211_ioctl_getdefault(vap, ireq); 1167 break; 1168 } 1169 return error; 1170 #undef MS 1171 } 1172 1173 static int 1174 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1175 { 1176 struct ieee80211req_key ik; 1177 struct ieee80211_node *ni; 1178 struct ieee80211_key *wk; 1179 uint16_t kid; 1180 int error, i; 1181 1182 if (ireq->i_len != sizeof(ik)) 1183 return EINVAL; 1184 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1185 if (error) 1186 return error; 1187 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1188 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1189 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1190 return E2BIG; 1191 kid = ik.ik_keyix; 1192 if (kid == IEEE80211_KEYIX_NONE) { 1193 /* XXX unicast keys currently must be tx/rx */ 1194 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1195 return EINVAL; 1196 if (vap->iv_opmode == IEEE80211_M_STA) { 1197 ni = ieee80211_ref_node(vap->iv_bss); 1198 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1199 ieee80211_free_node(ni); 1200 return EADDRNOTAVAIL; 1201 } 1202 } else { 1203 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1204 ik.ik_macaddr); 1205 if (ni == NULL) 1206 return ENOENT; 1207 } 1208 wk = &ni->ni_ucastkey; 1209 } else { 1210 if (kid >= IEEE80211_WEP_NKID) 1211 return EINVAL; 1212 wk = &vap->iv_nw_keys[kid]; 1213 /* 1214 * Global slots start off w/o any assigned key index. 1215 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1216 */ 1217 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1218 wk->wk_keyix = kid; 1219 ni = NULL; 1220 } 1221 error = 0; 1222 ieee80211_key_update_begin(vap); 1223 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1224 wk->wk_keylen = ik.ik_keylen; 1225 /* NB: MIC presence is implied by cipher type */ 1226 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1227 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1228 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1229 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1230 wk->wk_keytsc = 0; /* new key, reset */ 1231 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1232 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1233 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1234 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1235 if (!ieee80211_crypto_setkey(vap, wk)) 1236 error = EIO; 1237 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1238 /* 1239 * Inform the driver that this is the default 1240 * transmit key. Now, ideally we'd just set 1241 * a flag in the key update that would 1242 * say "yes, we're the default key", but 1243 * that currently isn't the way the ioctl -> 1244 * key interface works. 1245 */ 1246 ieee80211_crypto_set_deftxkey(vap, kid); 1247 } else 1248 error = ENXIO; 1249 ieee80211_key_update_end(vap); 1250 if (ni != NULL) 1251 ieee80211_free_node(ni); 1252 return error; 1253 } 1254 1255 static int 1256 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1257 { 1258 struct ieee80211req_del_key dk; 1259 int kid, error; 1260 1261 if (ireq->i_len != sizeof(dk)) 1262 return EINVAL; 1263 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1264 if (error) 1265 return error; 1266 kid = dk.idk_keyix; 1267 /* XXX uint8_t -> uint16_t */ 1268 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1269 struct ieee80211_node *ni; 1270 1271 if (vap->iv_opmode == IEEE80211_M_STA) { 1272 ni = ieee80211_ref_node(vap->iv_bss); 1273 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1274 ieee80211_free_node(ni); 1275 return EADDRNOTAVAIL; 1276 } 1277 } else { 1278 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1279 dk.idk_macaddr); 1280 if (ni == NULL) 1281 return ENOENT; 1282 } 1283 /* XXX error return */ 1284 ieee80211_node_delucastkey(ni); 1285 ieee80211_free_node(ni); 1286 } else { 1287 if (kid >= IEEE80211_WEP_NKID) 1288 return EINVAL; 1289 /* XXX error return */ 1290 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1291 } 1292 return 0; 1293 } 1294 1295 struct mlmeop { 1296 struct ieee80211vap *vap; 1297 int op; 1298 int reason; 1299 }; 1300 1301 static void 1302 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1303 int op, int reason) 1304 { 1305 #ifdef IEEE80211_DEBUG 1306 static const struct { 1307 int mask; 1308 const char *opstr; 1309 } ops[] = { 1310 { 0, "op#0" }, 1311 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1312 IEEE80211_MSG_ASSOC, "assoc" }, 1313 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1314 IEEE80211_MSG_ASSOC, "disassoc" }, 1315 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1316 IEEE80211_MSG_AUTH, "deauth" }, 1317 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1318 IEEE80211_MSG_AUTH, "authorize" }, 1319 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1320 IEEE80211_MSG_AUTH, "unauthorize" }, 1321 }; 1322 1323 if (op == IEEE80211_MLME_AUTH) { 1324 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1325 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1326 "station authenticate %s via MLME (reason: %d (%s))", 1327 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1328 reason, ieee80211_reason_to_string(reason)); 1329 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1330 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1331 "unknown MLME request %d (reason: %d (%s))", op, reason, 1332 ieee80211_reason_to_string(reason)); 1333 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1334 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1335 "station %s via MLME", ops[op].opstr); 1336 } else { 1337 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1338 "station %s via MLME (reason: %d (%s))", ops[op].opstr, 1339 reason, ieee80211_reason_to_string(reason)); 1340 } 1341 #endif /* IEEE80211_DEBUG */ 1342 } 1343 1344 static void 1345 domlme(void *arg, struct ieee80211_node *ni) 1346 { 1347 struct mlmeop *mop = arg; 1348 struct ieee80211vap *vap = ni->ni_vap; 1349 1350 if (vap != mop->vap) 1351 return; 1352 /* 1353 * NB: if ni_associd is zero then the node is already cleaned 1354 * up and we don't need to do this (we're safely holding a 1355 * reference but should otherwise not modify it's state). 1356 */ 1357 if (ni->ni_associd == 0) 1358 return; 1359 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1360 if (mop->op == IEEE80211_MLME_DEAUTH) { 1361 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1362 mop->reason); 1363 } else { 1364 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1365 mop->reason); 1366 } 1367 ieee80211_node_leave(ni); 1368 } 1369 1370 static int 1371 setmlme_dropsta(struct ieee80211vap *vap, 1372 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1373 { 1374 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1375 struct ieee80211_node *ni; 1376 int error = 0; 1377 1378 /* NB: the broadcast address means do 'em all */ 1379 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1380 IEEE80211_NODE_LOCK(nt); 1381 ni = ieee80211_find_node_locked(nt, mac); 1382 IEEE80211_NODE_UNLOCK(nt); 1383 /* 1384 * Don't do the node update inside the node 1385 * table lock. This unfortunately causes LORs 1386 * with drivers and their TX paths. 1387 */ 1388 if (ni != NULL) { 1389 domlme(mlmeop, ni); 1390 ieee80211_free_node(ni); 1391 } else 1392 error = ENOENT; 1393 } else { 1394 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1395 } 1396 return error; 1397 } 1398 1399 static int 1400 setmlme_common(struct ieee80211vap *vap, int op, 1401 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1402 { 1403 struct ieee80211com *ic = vap->iv_ic; 1404 struct ieee80211_node_table *nt = &ic->ic_sta; 1405 struct ieee80211_node *ni; 1406 struct mlmeop mlmeop; 1407 int error; 1408 1409 error = 0; 1410 switch (op) { 1411 case IEEE80211_MLME_DISASSOC: 1412 case IEEE80211_MLME_DEAUTH: 1413 switch (vap->iv_opmode) { 1414 case IEEE80211_M_STA: 1415 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1416 /* XXX not quite right */ 1417 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1418 break; 1419 case IEEE80211_M_HOSTAP: 1420 mlmeop.vap = vap; 1421 mlmeop.op = op; 1422 mlmeop.reason = reason; 1423 error = setmlme_dropsta(vap, mac, &mlmeop); 1424 break; 1425 case IEEE80211_M_WDS: 1426 /* XXX user app should send raw frame? */ 1427 if (op != IEEE80211_MLME_DEAUTH) { 1428 error = EINVAL; 1429 break; 1430 } 1431 #if 0 1432 /* XXX accept any address, simplifies user code */ 1433 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1434 error = EINVAL; 1435 break; 1436 } 1437 #endif 1438 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1439 ni = ieee80211_ref_node(vap->iv_bss); 1440 IEEE80211_SEND_MGMT(ni, 1441 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1442 ieee80211_free_node(ni); 1443 break; 1444 case IEEE80211_M_MBSS: 1445 IEEE80211_NODE_LOCK(nt); 1446 ni = ieee80211_find_node_locked(nt, mac); 1447 /* 1448 * Don't do the node update inside the node 1449 * table lock. This unfortunately causes LORs 1450 * with drivers and their TX paths. 1451 */ 1452 IEEE80211_NODE_UNLOCK(nt); 1453 if (ni != NULL) { 1454 ieee80211_node_leave(ni); 1455 ieee80211_free_node(ni); 1456 } else { 1457 error = ENOENT; 1458 } 1459 break; 1460 default: 1461 error = EINVAL; 1462 break; 1463 } 1464 break; 1465 case IEEE80211_MLME_AUTHORIZE: 1466 case IEEE80211_MLME_UNAUTHORIZE: 1467 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1468 vap->iv_opmode != IEEE80211_M_WDS) { 1469 error = EINVAL; 1470 break; 1471 } 1472 IEEE80211_NODE_LOCK(nt); 1473 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1474 /* 1475 * Don't do the node update inside the node 1476 * table lock. This unfortunately causes LORs 1477 * with drivers and their TX paths. 1478 */ 1479 IEEE80211_NODE_UNLOCK(nt); 1480 if (ni != NULL) { 1481 mlmedebug(vap, mac, op, reason); 1482 if (op == IEEE80211_MLME_AUTHORIZE) 1483 ieee80211_node_authorize(ni); 1484 else 1485 ieee80211_node_unauthorize(ni); 1486 ieee80211_free_node(ni); 1487 } else 1488 error = ENOENT; 1489 break; 1490 case IEEE80211_MLME_AUTH: 1491 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1492 error = EINVAL; 1493 break; 1494 } 1495 IEEE80211_NODE_LOCK(nt); 1496 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1497 /* 1498 * Don't do the node update inside the node 1499 * table lock. This unfortunately causes LORs 1500 * with drivers and their TX paths. 1501 */ 1502 IEEE80211_NODE_UNLOCK(nt); 1503 if (ni != NULL) { 1504 mlmedebug(vap, mac, op, reason); 1505 if (reason == IEEE80211_STATUS_SUCCESS) { 1506 IEEE80211_SEND_MGMT(ni, 1507 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1508 /* 1509 * For shared key auth, just continue the 1510 * exchange. Otherwise when 802.1x is not in 1511 * use mark the port authorized at this point 1512 * so traffic can flow. 1513 */ 1514 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1515 ni->ni_challenge == NULL) 1516 ieee80211_node_authorize(ni); 1517 } else { 1518 vap->iv_stats.is_rx_acl++; 1519 ieee80211_send_error(ni, ni->ni_macaddr, 1520 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1521 ieee80211_node_leave(ni); 1522 } 1523 ieee80211_free_node(ni); 1524 } else 1525 error = ENOENT; 1526 break; 1527 default: 1528 error = EINVAL; 1529 break; 1530 } 1531 return error; 1532 } 1533 1534 struct scanlookup { 1535 const uint8_t *mac; 1536 int esslen; 1537 const uint8_t *essid; 1538 const struct ieee80211_scan_entry *se; 1539 }; 1540 1541 /* 1542 * Match mac address and any ssid. 1543 */ 1544 static void 1545 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1546 { 1547 struct scanlookup *look = arg; 1548 1549 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1550 return; 1551 if (look->esslen != 0) { 1552 if (se->se_ssid[1] != look->esslen) 1553 return; 1554 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1555 return; 1556 } 1557 look->se = se; 1558 } 1559 1560 static int 1561 setmlme_assoc_sta(struct ieee80211vap *vap, 1562 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1563 const uint8_t ssid[IEEE80211_NWID_LEN]) 1564 { 1565 struct scanlookup lookup; 1566 1567 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1568 ("expected opmode STA not %s", 1569 ieee80211_opmode_name[vap->iv_opmode])); 1570 1571 /* NB: this is racey if roaming is !manual */ 1572 lookup.se = NULL; 1573 lookup.mac = mac; 1574 lookup.esslen = ssid_len; 1575 lookup.essid = ssid; 1576 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1577 if (lookup.se == NULL) 1578 return ENOENT; 1579 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1580 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1581 return EIO; /* XXX unique but could be better */ 1582 return 0; 1583 } 1584 1585 static int 1586 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1587 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1588 const uint8_t ssid[IEEE80211_NWID_LEN]) 1589 { 1590 struct ieee80211_scan_req *sr; 1591 int error; 1592 1593 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1594 vap->iv_opmode == IEEE80211_M_AHDEMO, 1595 ("expected opmode IBSS or AHDEMO not %s", 1596 ieee80211_opmode_name[vap->iv_opmode])); 1597 1598 if (ssid_len == 0) 1599 return EINVAL; 1600 1601 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1602 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1603 if (sr == NULL) 1604 return ENOMEM; 1605 1606 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1607 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1608 vap->iv_des_ssid[0].len = ssid_len; 1609 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1610 vap->iv_des_nssid = 1; 1611 1612 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1613 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1614 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1615 sr->sr_ssid[0].len = ssid_len; 1616 sr->sr_nssid = 1; 1617 1618 error = ieee80211_scanreq(vap, sr); 1619 1620 IEEE80211_FREE(sr, M_TEMP); 1621 return error; 1622 } 1623 1624 static int 1625 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1626 { 1627 struct ieee80211req_mlme mlme; 1628 int error; 1629 1630 if (ireq->i_len != sizeof(mlme)) 1631 return EINVAL; 1632 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1633 if (error) 1634 return error; 1635 if (vap->iv_opmode == IEEE80211_M_STA && 1636 mlme.im_op == IEEE80211_MLME_ASSOC) 1637 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1638 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1639 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1640 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1641 mlme.im_op == IEEE80211_MLME_ASSOC) 1642 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1643 mlme.im_ssid_len, mlme.im_ssid); 1644 else 1645 return setmlme_common(vap, mlme.im_op, 1646 mlme.im_macaddr, mlme.im_reason); 1647 } 1648 1649 static int 1650 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1651 { 1652 uint8_t mac[IEEE80211_ADDR_LEN]; 1653 const struct ieee80211_aclator *acl = vap->iv_acl; 1654 int error; 1655 1656 if (ireq->i_len != sizeof(mac)) 1657 return EINVAL; 1658 error = copyin(ireq->i_data, mac, ireq->i_len); 1659 if (error) 1660 return error; 1661 if (acl == NULL) { 1662 acl = ieee80211_aclator_get("mac"); 1663 if (acl == NULL || !acl->iac_attach(vap)) 1664 return EINVAL; 1665 vap->iv_acl = acl; 1666 } 1667 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1668 acl->iac_add(vap, mac); 1669 else 1670 acl->iac_remove(vap, mac); 1671 return 0; 1672 } 1673 1674 static int 1675 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1676 { 1677 const struct ieee80211_aclator *acl = vap->iv_acl; 1678 1679 switch (ireq->i_val) { 1680 case IEEE80211_MACCMD_POLICY_OPEN: 1681 case IEEE80211_MACCMD_POLICY_ALLOW: 1682 case IEEE80211_MACCMD_POLICY_DENY: 1683 case IEEE80211_MACCMD_POLICY_RADIUS: 1684 if (acl == NULL) { 1685 acl = ieee80211_aclator_get("mac"); 1686 if (acl == NULL || !acl->iac_attach(vap)) 1687 return EINVAL; 1688 vap->iv_acl = acl; 1689 } 1690 acl->iac_setpolicy(vap, ireq->i_val); 1691 break; 1692 case IEEE80211_MACCMD_FLUSH: 1693 if (acl != NULL) 1694 acl->iac_flush(vap); 1695 /* NB: silently ignore when not in use */ 1696 break; 1697 case IEEE80211_MACCMD_DETACH: 1698 if (acl != NULL) { 1699 vap->iv_acl = NULL; 1700 acl->iac_detach(vap); 1701 } 1702 break; 1703 default: 1704 if (acl == NULL) 1705 return EINVAL; 1706 else 1707 return acl->iac_setioctl(vap, ireq); 1708 } 1709 return 0; 1710 } 1711 1712 static int 1713 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1714 { 1715 struct ieee80211com *ic = vap->iv_ic; 1716 uint8_t *chanlist, *list; 1717 int i, nchan, maxchan, error; 1718 1719 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1720 ireq->i_len = sizeof(ic->ic_chan_active); 1721 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1722 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1723 if (list == NULL) 1724 return ENOMEM; 1725 error = copyin(ireq->i_data, list, ireq->i_len); 1726 if (error) { 1727 IEEE80211_FREE(list, M_TEMP); 1728 return error; 1729 } 1730 nchan = 0; 1731 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1732 maxchan = ireq->i_len * NBBY; 1733 for (i = 0; i < ic->ic_nchans; i++) { 1734 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1735 /* 1736 * Calculate the intersection of the user list and the 1737 * available channels so users can do things like specify 1738 * 1-255 to get all available channels. 1739 */ 1740 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1741 setbit(chanlist, c->ic_ieee); 1742 nchan++; 1743 } 1744 } 1745 if (nchan == 0) { 1746 IEEE80211_FREE(list, M_TEMP); 1747 return EINVAL; 1748 } 1749 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1750 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1751 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1752 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1753 ieee80211_scan_flush(vap); 1754 IEEE80211_FREE(list, M_TEMP); 1755 return ENETRESET; 1756 } 1757 1758 static int 1759 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1760 { 1761 struct ieee80211_node *ni; 1762 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1763 int error; 1764 1765 /* 1766 * NB: we could copyin ieee80211req_sta_stats so apps 1767 * could make selective changes but that's overkill; 1768 * just clear all stats for now. 1769 */ 1770 if (ireq->i_len < IEEE80211_ADDR_LEN) 1771 return EINVAL; 1772 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1773 if (error != 0) 1774 return error; 1775 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1776 if (ni == NULL) 1777 return ENOENT; 1778 /* XXX require ni_vap == vap? */ 1779 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1780 ieee80211_free_node(ni); 1781 return 0; 1782 } 1783 1784 static int 1785 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1786 { 1787 struct ieee80211_node *ni; 1788 struct ieee80211req_sta_txpow txpow; 1789 int error; 1790 1791 if (ireq->i_len != sizeof(txpow)) 1792 return EINVAL; 1793 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1794 if (error != 0) 1795 return error; 1796 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1797 if (ni == NULL) 1798 return ENOENT; 1799 ni->ni_txpower = txpow.it_txpow; 1800 ieee80211_free_node(ni); 1801 return error; 1802 } 1803 1804 static int 1805 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1806 { 1807 struct ieee80211com *ic = vap->iv_ic; 1808 struct ieee80211_wme_state *wme = &ic->ic_wme; 1809 struct wmeParams *wmep, *chanp; 1810 int isbss, ac, aggrmode; 1811 1812 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1813 return EOPNOTSUPP; 1814 1815 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1816 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1817 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1818 if (ac >= WME_NUM_AC) 1819 ac = WME_AC_BE; 1820 if (isbss) { 1821 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1822 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1823 } else { 1824 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1825 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1826 } 1827 switch (ireq->i_type) { 1828 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1829 wmep->wmep_logcwmin = ireq->i_val; 1830 if (!isbss || !aggrmode) 1831 chanp->wmep_logcwmin = ireq->i_val; 1832 break; 1833 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1834 wmep->wmep_logcwmax = ireq->i_val; 1835 if (!isbss || !aggrmode) 1836 chanp->wmep_logcwmax = ireq->i_val; 1837 break; 1838 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1839 wmep->wmep_aifsn = ireq->i_val; 1840 if (!isbss || !aggrmode) 1841 chanp->wmep_aifsn = ireq->i_val; 1842 break; 1843 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1844 wmep->wmep_txopLimit = ireq->i_val; 1845 if (!isbss || !aggrmode) 1846 chanp->wmep_txopLimit = ireq->i_val; 1847 break; 1848 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1849 wmep->wmep_acm = ireq->i_val; 1850 if (!aggrmode) 1851 chanp->wmep_acm = ireq->i_val; 1852 break; 1853 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1854 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1855 (ireq->i_val) == 0; 1856 break; 1857 } 1858 ieee80211_wme_updateparams(vap); 1859 return 0; 1860 } 1861 1862 static int 1863 find11gchannel(struct ieee80211com *ic, int start, int freq) 1864 { 1865 const struct ieee80211_channel *c; 1866 int i; 1867 1868 for (i = start+1; i < ic->ic_nchans; i++) { 1869 c = &ic->ic_channels[i]; 1870 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1871 return 1; 1872 } 1873 /* NB: should not be needed but in case things are mis-sorted */ 1874 for (i = 0; i < start; i++) { 1875 c = &ic->ic_channels[i]; 1876 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1877 return 1; 1878 } 1879 return 0; 1880 } 1881 1882 static struct ieee80211_channel * 1883 findchannel(struct ieee80211com *ic, int ieee, int mode) 1884 { 1885 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1886 [IEEE80211_MODE_AUTO] = 0, 1887 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1888 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1889 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1890 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1891 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1892 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1893 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1894 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1895 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1896 /* NB: handled specially below */ 1897 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1898 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1899 [IEEE80211_MODE_VHT_5GHZ] = IEEE80211_CHAN_A, 1900 [IEEE80211_MODE_VHT_2GHZ] = IEEE80211_CHAN_G, 1901 }; 1902 u_int modeflags; 1903 int i; 1904 1905 modeflags = chanflags[mode]; 1906 for (i = 0; i < ic->ic_nchans; i++) { 1907 struct ieee80211_channel *c = &ic->ic_channels[i]; 1908 1909 if (c->ic_ieee != ieee) 1910 continue; 1911 if (mode == IEEE80211_MODE_AUTO) { 1912 /* ignore turbo channels for autoselect */ 1913 if (IEEE80211_IS_CHAN_TURBO(c)) 1914 continue; 1915 /* 1916 * XXX special-case 11b/g channels so we 1917 * always select the g channel if both 1918 * are present. 1919 * XXX prefer HT to non-HT? 1920 */ 1921 if (!IEEE80211_IS_CHAN_B(c) || 1922 !find11gchannel(ic, i, c->ic_freq)) 1923 return c; 1924 } else { 1925 /* must check VHT specifically */ 1926 if ((mode == IEEE80211_MODE_VHT_5GHZ || 1927 mode == IEEE80211_MODE_VHT_2GHZ) && 1928 !IEEE80211_IS_CHAN_VHT(c)) 1929 continue; 1930 1931 /* 1932 * Must check HT specially - only match on HT, 1933 * not HT+VHT channels 1934 */ 1935 if ((mode == IEEE80211_MODE_11NA || 1936 mode == IEEE80211_MODE_11NG) && 1937 !IEEE80211_IS_CHAN_HT(c)) 1938 continue; 1939 1940 if ((mode == IEEE80211_MODE_11NA || 1941 mode == IEEE80211_MODE_11NG) && 1942 IEEE80211_IS_CHAN_VHT(c)) 1943 continue; 1944 1945 /* Check that the modeflags above match */ 1946 if ((c->ic_flags & modeflags) == modeflags) 1947 return c; 1948 } 1949 } 1950 return NULL; 1951 } 1952 1953 /* 1954 * Check the specified against any desired mode (aka netband). 1955 * This is only used (presently) when operating in hostap mode 1956 * to enforce consistency. 1957 */ 1958 static int 1959 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1960 { 1961 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1962 1963 switch (mode) { 1964 case IEEE80211_MODE_11B: 1965 return (IEEE80211_IS_CHAN_B(c)); 1966 case IEEE80211_MODE_11G: 1967 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1968 case IEEE80211_MODE_11A: 1969 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1970 case IEEE80211_MODE_STURBO_A: 1971 return (IEEE80211_IS_CHAN_STURBO(c)); 1972 case IEEE80211_MODE_11NA: 1973 return (IEEE80211_IS_CHAN_HTA(c)); 1974 case IEEE80211_MODE_11NG: 1975 return (IEEE80211_IS_CHAN_HTG(c)); 1976 } 1977 return 1; 1978 1979 } 1980 1981 /* 1982 * Common code to set the current channel. If the device 1983 * is up and running this may result in an immediate channel 1984 * change or a kick of the state machine. 1985 */ 1986 static int 1987 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1988 { 1989 struct ieee80211com *ic = vap->iv_ic; 1990 int error; 1991 1992 if (c != IEEE80211_CHAN_ANYC) { 1993 if (IEEE80211_IS_CHAN_RADAR(c)) 1994 return EBUSY; /* XXX better code? */ 1995 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1996 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1997 return EINVAL; 1998 if (!check_mode_consistency(c, vap->iv_des_mode)) 1999 return EINVAL; 2000 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 2001 if (IEEE80211_IS_CHAN_NOADHOC(c)) 2002 return EINVAL; 2003 } 2004 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 2005 vap->iv_bss->ni_chan == c) 2006 return 0; /* NB: nothing to do */ 2007 } 2008 vap->iv_des_chan = c; 2009 2010 error = 0; 2011 if (vap->iv_opmode == IEEE80211_M_MONITOR && 2012 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2013 /* 2014 * Monitor mode can switch directly. 2015 */ 2016 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 2017 /* XXX need state machine for other vap's to follow */ 2018 ieee80211_setcurchan(ic, vap->iv_des_chan); 2019 vap->iv_bss->ni_chan = ic->ic_curchan; 2020 } else { 2021 ic->ic_curchan = vap->iv_des_chan; 2022 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2023 } 2024 } else { 2025 /* 2026 * Need to go through the state machine in case we 2027 * need to reassociate or the like. The state machine 2028 * will pickup the desired channel and avoid scanning. 2029 */ 2030 if (IS_UP_AUTO(vap)) 2031 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2032 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2033 /* 2034 * When not up+running and a real channel has 2035 * been specified fix the current channel so 2036 * there is immediate feedback; e.g. via ifconfig. 2037 */ 2038 ic->ic_curchan = vap->iv_des_chan; 2039 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2040 } 2041 } 2042 return error; 2043 } 2044 2045 /* 2046 * Old api for setting the current channel; this is 2047 * deprecated because channel numbers are ambiguous. 2048 */ 2049 static int 2050 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2051 const struct ieee80211req *ireq) 2052 { 2053 struct ieee80211com *ic = vap->iv_ic; 2054 struct ieee80211_channel *c; 2055 2056 /* XXX 0xffff overflows 16-bit signed */ 2057 if (ireq->i_val == 0 || 2058 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2059 c = IEEE80211_CHAN_ANYC; 2060 } else { 2061 struct ieee80211_channel *c2; 2062 2063 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2064 if (c == NULL) { 2065 c = findchannel(ic, ireq->i_val, 2066 IEEE80211_MODE_AUTO); 2067 if (c == NULL) 2068 return EINVAL; 2069 } 2070 2071 /* 2072 * Fine tune channel selection based on desired mode: 2073 * if 11b is requested, find the 11b version of any 2074 * 11g channel returned, 2075 * if static turbo, find the turbo version of any 2076 * 11a channel return, 2077 * if 11na is requested, find the ht version of any 2078 * 11a channel returned, 2079 * if 11ng is requested, find the ht version of any 2080 * 11g channel returned, 2081 * if 11ac is requested, find the 11ac version 2082 * of any 11a/11na channel returned, 2083 * (TBD) 11acg (2GHz VHT) 2084 * otherwise we should be ok with what we've got. 2085 */ 2086 switch (vap->iv_des_mode) { 2087 case IEEE80211_MODE_11B: 2088 if (IEEE80211_IS_CHAN_ANYG(c)) { 2089 c2 = findchannel(ic, ireq->i_val, 2090 IEEE80211_MODE_11B); 2091 /* NB: should not happen, =>'s 11g w/o 11b */ 2092 if (c2 != NULL) 2093 c = c2; 2094 } 2095 break; 2096 case IEEE80211_MODE_TURBO_A: 2097 if (IEEE80211_IS_CHAN_A(c)) { 2098 c2 = findchannel(ic, ireq->i_val, 2099 IEEE80211_MODE_TURBO_A); 2100 if (c2 != NULL) 2101 c = c2; 2102 } 2103 break; 2104 case IEEE80211_MODE_11NA: 2105 if (IEEE80211_IS_CHAN_A(c)) { 2106 c2 = findchannel(ic, ireq->i_val, 2107 IEEE80211_MODE_11NA); 2108 if (c2 != NULL) 2109 c = c2; 2110 } 2111 break; 2112 case IEEE80211_MODE_11NG: 2113 if (IEEE80211_IS_CHAN_ANYG(c)) { 2114 c2 = findchannel(ic, ireq->i_val, 2115 IEEE80211_MODE_11NG); 2116 if (c2 != NULL) 2117 c = c2; 2118 } 2119 break; 2120 case IEEE80211_MODE_VHT_2GHZ: 2121 printf("%s: TBD\n", __func__); 2122 break; 2123 case IEEE80211_MODE_VHT_5GHZ: 2124 if (IEEE80211_IS_CHAN_A(c)) { 2125 c2 = findchannel(ic, ireq->i_val, 2126 IEEE80211_MODE_VHT_5GHZ); 2127 if (c2 != NULL) 2128 c = c2; 2129 } 2130 break; 2131 default: /* NB: no static turboG */ 2132 break; 2133 } 2134 } 2135 return setcurchan(vap, c); 2136 } 2137 2138 /* 2139 * New/current api for setting the current channel; a complete 2140 * channel description is provide so there is no ambiguity in 2141 * identifying the channel. 2142 */ 2143 static int 2144 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2145 const struct ieee80211req *ireq) 2146 { 2147 struct ieee80211com *ic = vap->iv_ic; 2148 struct ieee80211_channel chan, *c; 2149 int error; 2150 2151 if (ireq->i_len != sizeof(chan)) 2152 return EINVAL; 2153 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2154 if (error != 0) 2155 return error; 2156 2157 /* XXX 0xffff overflows 16-bit signed */ 2158 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2159 c = IEEE80211_CHAN_ANYC; 2160 } else { 2161 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2162 if (c == NULL) 2163 return EINVAL; 2164 } 2165 return setcurchan(vap, c); 2166 } 2167 2168 static int 2169 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2170 const struct ieee80211req *ireq) 2171 { 2172 struct ieee80211_regdomain_req *reg; 2173 int nchans, error; 2174 2175 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2176 sizeof(struct ieee80211_channel)); 2177 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2178 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2179 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2180 ireq->i_len, nchans); 2181 return EINVAL; 2182 } 2183 reg = (struct ieee80211_regdomain_req *) 2184 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2185 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2186 if (reg == NULL) { 2187 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2188 "%s: no memory, nchans %d\n", __func__, nchans); 2189 return ENOMEM; 2190 } 2191 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2192 if (error == 0) { 2193 /* NB: validate inline channel count against storage size */ 2194 if (reg->chaninfo.ic_nchans != nchans) { 2195 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2196 "%s: chan cnt mismatch, %d != %d\n", __func__, 2197 reg->chaninfo.ic_nchans, nchans); 2198 error = EINVAL; 2199 } else 2200 error = ieee80211_setregdomain(vap, reg); 2201 } 2202 IEEE80211_FREE(reg, M_TEMP); 2203 2204 return (error == 0 ? ENETRESET : error); 2205 } 2206 2207 static int 2208 checkrate(const struct ieee80211_rateset *rs, int rate) 2209 { 2210 int i; 2211 2212 if (rate == IEEE80211_FIXED_RATE_NONE) 2213 return 1; 2214 for (i = 0; i < rs->rs_nrates; i++) 2215 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2216 return 1; 2217 return 0; 2218 } 2219 2220 static int 2221 checkmcs(const struct ieee80211_htrateset *rs, int mcs) 2222 { 2223 int rate_val = IEEE80211_RV(mcs); 2224 int i; 2225 2226 if (mcs == IEEE80211_FIXED_RATE_NONE) 2227 return 1; 2228 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2229 return 0; 2230 for (i = 0; i < rs->rs_nrates; i++) 2231 if (IEEE80211_RV(rs->rs_rates[i]) == rate_val) 2232 return 1; 2233 return 0; 2234 } 2235 2236 static int 2237 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2238 const struct ieee80211req *ireq) 2239 { 2240 struct ieee80211com *ic = vap->iv_ic; 2241 struct ieee80211_roamparams_req *parms; 2242 struct ieee80211_roamparam *src, *dst; 2243 const struct ieee80211_htrateset *rs_ht; 2244 const struct ieee80211_rateset *rs; 2245 int changed, error, mode, is11n, nmodes; 2246 2247 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2248 return EINVAL; 2249 2250 parms = IEEE80211_MALLOC(sizeof(*parms), M_TEMP, 2251 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2252 if (parms == NULL) 2253 return ENOMEM; 2254 2255 error = copyin(ireq->i_data, parms, ireq->i_len); 2256 if (error != 0) 2257 goto fail; 2258 2259 changed = 0; 2260 nmodes = IEEE80211_MODE_MAX; 2261 2262 /* validate parameters and check if anything changed */ 2263 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2264 if (isclr(ic->ic_modecaps, mode)) 2265 continue; 2266 src = &parms->params[mode]; 2267 dst = &vap->iv_roamparms[mode]; 2268 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2269 rs_ht = &ic->ic_sup_htrates; 2270 is11n = (mode == IEEE80211_MODE_11NA || 2271 mode == IEEE80211_MODE_11NG); 2272 /* XXX TODO: 11ac */ 2273 if (src->rate != dst->rate) { 2274 if (!checkrate(rs, src->rate) && 2275 (!is11n || !checkmcs(rs_ht, src->rate))) { 2276 error = EINVAL; 2277 goto fail; 2278 } 2279 changed++; 2280 } 2281 if (src->rssi != dst->rssi) 2282 changed++; 2283 } 2284 if (changed) { 2285 /* 2286 * Copy new parameters in place and notify the 2287 * driver so it can push state to the device. 2288 */ 2289 /* XXX locking? */ 2290 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2291 if (isset(ic->ic_modecaps, mode)) 2292 vap->iv_roamparms[mode] = parms->params[mode]; 2293 } 2294 2295 if (vap->iv_roaming == IEEE80211_ROAMING_DEVICE) 2296 error = ERESTART; 2297 } 2298 2299 fail: IEEE80211_FREE(parms, M_TEMP); 2300 return error; 2301 } 2302 2303 static int 2304 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2305 const struct ieee80211req *ireq) 2306 { 2307 struct ieee80211com *ic = vap->iv_ic; 2308 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2309 struct ieee80211_txparam *src, *dst; 2310 const struct ieee80211_htrateset *rs_ht; 2311 const struct ieee80211_rateset *rs; 2312 int error, mode, changed, is11n, nmodes; 2313 2314 /* NB: accept short requests for backwards compat */ 2315 if (ireq->i_len > sizeof(parms)) 2316 return EINVAL; 2317 error = copyin(ireq->i_data, &parms, ireq->i_len); 2318 if (error != 0) 2319 return error; 2320 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2321 changed = 0; 2322 /* validate parameters and check if anything changed */ 2323 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2324 if (isclr(ic->ic_modecaps, mode)) 2325 continue; 2326 src = &parms.params[mode]; 2327 dst = &vap->iv_txparms[mode]; 2328 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2329 rs_ht = &ic->ic_sup_htrates; 2330 is11n = (mode == IEEE80211_MODE_11NA || 2331 mode == IEEE80211_MODE_11NG); 2332 if (src->ucastrate != dst->ucastrate) { 2333 if (!checkrate(rs, src->ucastrate) && 2334 (!is11n || !checkmcs(rs_ht, src->ucastrate))) 2335 return EINVAL; 2336 changed++; 2337 } 2338 if (src->mcastrate != dst->mcastrate) { 2339 if (!checkrate(rs, src->mcastrate) && 2340 (!is11n || !checkmcs(rs_ht, src->mcastrate))) 2341 return EINVAL; 2342 changed++; 2343 } 2344 if (src->mgmtrate != dst->mgmtrate) { 2345 if (!checkrate(rs, src->mgmtrate) && 2346 (!is11n || !checkmcs(rs_ht, src->mgmtrate))) 2347 return EINVAL; 2348 changed++; 2349 } 2350 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2351 changed++; 2352 } 2353 if (changed) { 2354 /* 2355 * Copy new parameters in place and notify the 2356 * driver so it can push state to the device. 2357 */ 2358 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2359 if (isset(ic->ic_modecaps, mode)) 2360 vap->iv_txparms[mode] = parms.params[mode]; 2361 } 2362 /* XXX could be more intelligent, 2363 e.g. don't reset if setting not being used */ 2364 return ENETRESET; 2365 } 2366 return 0; 2367 } 2368 2369 /* 2370 * Application Information Element support. 2371 */ 2372 static int 2373 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2374 { 2375 struct ieee80211_appie *app = *aie; 2376 struct ieee80211_appie *napp; 2377 int error; 2378 2379 if (ireq->i_len == 0) { /* delete any existing ie */ 2380 if (app != NULL) { 2381 *aie = NULL; /* XXX racey */ 2382 IEEE80211_FREE(app, M_80211_NODE_IE); 2383 } 2384 return 0; 2385 } 2386 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2387 return EINVAL; 2388 /* 2389 * Allocate a new appie structure and copy in the user data. 2390 * When done swap in the new structure. Note that we do not 2391 * guard against users holding a ref to the old structure; 2392 * this must be handled outside this code. 2393 * 2394 * XXX bad bad bad 2395 */ 2396 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2397 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2398 IEEE80211_M_NOWAIT); 2399 if (napp == NULL) 2400 return ENOMEM; 2401 /* XXX holding ic lock */ 2402 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2403 if (error) { 2404 IEEE80211_FREE(napp, M_80211_NODE_IE); 2405 return error; 2406 } 2407 napp->ie_len = ireq->i_len; 2408 *aie = napp; 2409 if (app != NULL) 2410 IEEE80211_FREE(app, M_80211_NODE_IE); 2411 return 0; 2412 } 2413 2414 static void 2415 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2416 { 2417 /* validate data is present as best we can */ 2418 if (space == 0 || 2+ie[1] > space) 2419 return; 2420 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2421 vap->iv_wpa_ie = ie; 2422 else if (ie[0] == IEEE80211_ELEMID_RSN) 2423 vap->iv_rsn_ie = ie; 2424 } 2425 2426 static int 2427 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2428 const struct ieee80211req *ireq, int fc0) 2429 { 2430 int error; 2431 2432 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2433 2434 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2435 case IEEE80211_FC0_SUBTYPE_BEACON: 2436 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2437 vap->iv_opmode != IEEE80211_M_IBSS) { 2438 error = EINVAL; 2439 break; 2440 } 2441 error = setappie(&vap->iv_appie_beacon, ireq); 2442 if (error == 0) 2443 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2444 break; 2445 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2446 error = setappie(&vap->iv_appie_proberesp, ireq); 2447 break; 2448 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2449 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2450 error = setappie(&vap->iv_appie_assocresp, ireq); 2451 else 2452 error = EINVAL; 2453 break; 2454 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2455 error = setappie(&vap->iv_appie_probereq, ireq); 2456 break; 2457 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2458 if (vap->iv_opmode == IEEE80211_M_STA) 2459 error = setappie(&vap->iv_appie_assocreq, ireq); 2460 else 2461 error = EINVAL; 2462 break; 2463 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2464 error = setappie(&vap->iv_appie_wpa, ireq); 2465 if (error == 0) { 2466 /* 2467 * Must split single blob of data into separate 2468 * WPA and RSN ie's because they go in different 2469 * locations in the mgt frames. 2470 * XXX use IEEE80211_IOC_WPA2 so user code does split 2471 */ 2472 vap->iv_wpa_ie = NULL; 2473 vap->iv_rsn_ie = NULL; 2474 if (vap->iv_appie_wpa != NULL) { 2475 struct ieee80211_appie *appie = 2476 vap->iv_appie_wpa; 2477 uint8_t *data = appie->ie_data; 2478 2479 /* XXX ie length validate is painful, cheat */ 2480 setwparsnie(vap, data, appie->ie_len); 2481 setwparsnie(vap, data + 2 + data[1], 2482 appie->ie_len - (2 + data[1])); 2483 } 2484 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2485 vap->iv_opmode == IEEE80211_M_IBSS) { 2486 /* 2487 * Must rebuild beacon frame as the update 2488 * mechanism doesn't handle WPA/RSN ie's. 2489 * Could extend it but it doesn't normally 2490 * change; this is just to deal with hostapd 2491 * plumbing the ie after the interface is up. 2492 */ 2493 error = ENETRESET; 2494 } 2495 } 2496 break; 2497 default: 2498 error = EINVAL; 2499 break; 2500 } 2501 return error; 2502 } 2503 2504 static int 2505 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2506 const struct ieee80211req *ireq) 2507 { 2508 struct ieee80211com *ic = vap->iv_ic; 2509 int error; 2510 uint8_t fc0; 2511 2512 fc0 = ireq->i_val & 0xff; 2513 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2514 return EINVAL; 2515 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2516 IEEE80211_LOCK(ic); 2517 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2518 IEEE80211_UNLOCK(ic); 2519 return error; 2520 } 2521 2522 static int 2523 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2524 { 2525 struct ieee80211com *ic = vap->iv_ic; 2526 struct ieee80211_chanswitch_req csr; 2527 struct ieee80211_channel *c; 2528 int error; 2529 2530 if (ireq->i_len != sizeof(csr)) 2531 return EINVAL; 2532 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2533 if (error != 0) 2534 return error; 2535 /* XXX adhoc mode not supported */ 2536 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2537 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2538 return EOPNOTSUPP; 2539 c = ieee80211_find_channel(ic, 2540 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2541 if (c == NULL) 2542 return ENOENT; 2543 IEEE80211_LOCK(ic); 2544 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2545 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2546 else if (csr.csa_count == 0) 2547 ieee80211_csa_cancelswitch(ic); 2548 else 2549 error = EBUSY; 2550 IEEE80211_UNLOCK(ic); 2551 return error; 2552 } 2553 2554 static int 2555 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2556 { 2557 #define IEEE80211_IOC_SCAN_FLAGS \ 2558 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2559 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2560 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2561 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2562 IEEE80211_IOC_SCAN_CHECK) 2563 struct ieee80211com *ic = vap->iv_ic; 2564 int error, i; 2565 2566 /* convert duration */ 2567 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2568 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2569 else { 2570 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2571 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2572 return EINVAL; 2573 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2574 } 2575 /* convert min/max channel dwell */ 2576 if (sr->sr_mindwell != 0) 2577 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2578 if (sr->sr_maxdwell != 0) 2579 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2580 /* NB: silently reduce ssid count to what is supported */ 2581 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2582 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2583 for (i = 0; i < sr->sr_nssid; i++) 2584 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2585 return EINVAL; 2586 /* cleanse flags just in case, could reject if invalid flags */ 2587 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2588 /* 2589 * Add an implicit NOPICK if the vap is not marked UP. This 2590 * allows applications to scan without joining a bss (or picking 2591 * a channel and setting up a bss) and without forcing manual 2592 * roaming mode--you just need to mark the parent device UP. 2593 */ 2594 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2595 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2596 2597 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2598 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2599 __func__, sr->sr_flags, 2600 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2601 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2602 /* 2603 * If we are in INIT state then the driver has never had a chance 2604 * to setup hardware state to do a scan; we must use the state 2605 * machine to get us up to the SCAN state but once we reach SCAN 2606 * state we then want to use the supplied params. Stash the 2607 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2608 * state machines will recognize this and use the stashed params 2609 * to issue the scan request. 2610 * 2611 * Otherwise just invoke the scan machinery directly. 2612 */ 2613 IEEE80211_LOCK(ic); 2614 if (ic->ic_nrunning == 0) { 2615 IEEE80211_UNLOCK(ic); 2616 return ENXIO; 2617 } 2618 2619 if (vap->iv_state == IEEE80211_S_INIT) { 2620 /* NB: clobbers previous settings */ 2621 vap->iv_scanreq_flags = sr->sr_flags; 2622 vap->iv_scanreq_duration = sr->sr_duration; 2623 vap->iv_scanreq_nssid = sr->sr_nssid; 2624 for (i = 0; i < sr->sr_nssid; i++) { 2625 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2626 memcpy(vap->iv_scanreq_ssid[i].ssid, 2627 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2628 } 2629 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2630 IEEE80211_UNLOCK(ic); 2631 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2632 } else { 2633 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2634 IEEE80211_UNLOCK(ic); 2635 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2636 error = ieee80211_check_scan(vap, sr->sr_flags, 2637 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2638 sr->sr_nssid, 2639 /* NB: cheat, we assume structures are compatible */ 2640 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2641 } else { 2642 error = ieee80211_start_scan(vap, sr->sr_flags, 2643 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2644 sr->sr_nssid, 2645 /* NB: cheat, we assume structures are compatible */ 2646 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2647 } 2648 if (error == 0) 2649 return EINPROGRESS; 2650 } 2651 return 0; 2652 #undef IEEE80211_IOC_SCAN_FLAGS 2653 } 2654 2655 static int 2656 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2657 { 2658 struct ieee80211_scan_req *sr; 2659 int error; 2660 2661 if (ireq->i_len != sizeof(*sr)) 2662 return EINVAL; 2663 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2664 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2665 if (sr == NULL) 2666 return ENOMEM; 2667 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2668 if (error != 0) 2669 goto bad; 2670 error = ieee80211_scanreq(vap, sr); 2671 bad: 2672 IEEE80211_FREE(sr, M_TEMP); 2673 return error; 2674 } 2675 2676 static int 2677 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2678 { 2679 struct ieee80211_node *ni; 2680 struct ieee80211req_sta_vlan vlan; 2681 int error; 2682 2683 if (ireq->i_len != sizeof(vlan)) 2684 return EINVAL; 2685 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2686 if (error != 0) 2687 return error; 2688 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2689 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2690 vlan.sv_macaddr); 2691 if (ni == NULL) 2692 return ENOENT; 2693 } else 2694 ni = ieee80211_ref_node(vap->iv_bss); 2695 ni->ni_vlan = vlan.sv_vlan; 2696 ieee80211_free_node(ni); 2697 return error; 2698 } 2699 2700 static int 2701 isvap11g(const struct ieee80211vap *vap) 2702 { 2703 const struct ieee80211_node *bss = vap->iv_bss; 2704 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2705 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2706 } 2707 2708 static int 2709 isvapht(const struct ieee80211vap *vap) 2710 { 2711 const struct ieee80211_node *bss = vap->iv_bss; 2712 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2713 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2714 } 2715 2716 /* 2717 * Dummy ioctl set handler so the linker set is defined. 2718 */ 2719 static int 2720 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2721 { 2722 return ENOSYS; 2723 } 2724 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2725 2726 static int 2727 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2728 { 2729 ieee80211_ioctl_setfunc * const *set; 2730 int error; 2731 2732 SET_FOREACH(set, ieee80211_ioctl_setset) { 2733 error = (*set)(vap, ireq); 2734 if (error != ENOSYS) 2735 return error; 2736 } 2737 return EINVAL; 2738 } 2739 2740 static int 2741 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2742 { 2743 struct ieee80211com *ic = vap->iv_ic; 2744 int error; 2745 const struct ieee80211_authenticator *auth; 2746 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2747 char tmpssid[IEEE80211_NWID_LEN]; 2748 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2749 struct ieee80211_key *k; 2750 u_int kid; 2751 uint32_t flags; 2752 2753 error = 0; 2754 switch (ireq->i_type) { 2755 case IEEE80211_IOC_SSID: 2756 if (ireq->i_val != 0 || 2757 ireq->i_len > IEEE80211_NWID_LEN) 2758 return EINVAL; 2759 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2760 if (error) 2761 break; 2762 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2763 vap->iv_des_ssid[0].len = ireq->i_len; 2764 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2765 vap->iv_des_nssid = (ireq->i_len > 0); 2766 error = ENETRESET; 2767 break; 2768 case IEEE80211_IOC_WEP: 2769 switch (ireq->i_val) { 2770 case IEEE80211_WEP_OFF: 2771 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2772 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2773 break; 2774 case IEEE80211_WEP_ON: 2775 vap->iv_flags |= IEEE80211_F_PRIVACY; 2776 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2777 break; 2778 case IEEE80211_WEP_MIXED: 2779 vap->iv_flags |= IEEE80211_F_PRIVACY; 2780 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2781 break; 2782 } 2783 error = ENETRESET; 2784 break; 2785 case IEEE80211_IOC_WEPKEY: 2786 kid = (u_int) ireq->i_val; 2787 if (kid >= IEEE80211_WEP_NKID) 2788 return EINVAL; 2789 k = &vap->iv_nw_keys[kid]; 2790 if (ireq->i_len == 0) { 2791 /* zero-len =>'s delete any existing key */ 2792 (void) ieee80211_crypto_delkey(vap, k); 2793 break; 2794 } 2795 if (ireq->i_len > sizeof(tmpkey)) 2796 return EINVAL; 2797 memset(tmpkey, 0, sizeof(tmpkey)); 2798 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2799 if (error) 2800 break; 2801 ieee80211_key_update_begin(vap); 2802 k->wk_keyix = kid; /* NB: force fixed key id */ 2803 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2804 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2805 k->wk_keylen = ireq->i_len; 2806 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2807 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2808 if (!ieee80211_crypto_setkey(vap, k)) 2809 error = EINVAL; 2810 } else 2811 error = EINVAL; 2812 ieee80211_key_update_end(vap); 2813 break; 2814 case IEEE80211_IOC_WEPTXKEY: 2815 kid = (u_int) ireq->i_val; 2816 if (kid >= IEEE80211_WEP_NKID && 2817 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2818 return EINVAL; 2819 /* 2820 * Firmware devices may need to be told about an explicit 2821 * key index here, versus just inferring it from the 2822 * key set / change. Since we may also need to pause 2823 * things like transmit before the key is updated, 2824 * give the driver a chance to flush things by tying 2825 * into key update begin/end. 2826 */ 2827 ieee80211_key_update_begin(vap); 2828 ieee80211_crypto_set_deftxkey(vap, kid); 2829 ieee80211_key_update_end(vap); 2830 break; 2831 case IEEE80211_IOC_AUTHMODE: 2832 switch (ireq->i_val) { 2833 case IEEE80211_AUTH_WPA: 2834 case IEEE80211_AUTH_8021X: /* 802.1x */ 2835 case IEEE80211_AUTH_OPEN: /* open */ 2836 case IEEE80211_AUTH_SHARED: /* shared-key */ 2837 case IEEE80211_AUTH_AUTO: /* auto */ 2838 auth = ieee80211_authenticator_get(ireq->i_val); 2839 if (auth == NULL) 2840 return EINVAL; 2841 break; 2842 default: 2843 return EINVAL; 2844 } 2845 switch (ireq->i_val) { 2846 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2847 vap->iv_flags |= IEEE80211_F_PRIVACY; 2848 ireq->i_val = IEEE80211_AUTH_8021X; 2849 break; 2850 case IEEE80211_AUTH_OPEN: /* open */ 2851 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2852 break; 2853 case IEEE80211_AUTH_SHARED: /* shared-key */ 2854 case IEEE80211_AUTH_8021X: /* 802.1x */ 2855 vap->iv_flags &= ~IEEE80211_F_WPA; 2856 /* both require a key so mark the PRIVACY capability */ 2857 vap->iv_flags |= IEEE80211_F_PRIVACY; 2858 break; 2859 case IEEE80211_AUTH_AUTO: /* auto */ 2860 vap->iv_flags &= ~IEEE80211_F_WPA; 2861 /* XXX PRIVACY handling? */ 2862 /* XXX what's the right way to do this? */ 2863 break; 2864 } 2865 /* NB: authenticator attach/detach happens on state change */ 2866 vap->iv_bss->ni_authmode = ireq->i_val; 2867 /* XXX mixed/mode/usage? */ 2868 vap->iv_auth = auth; 2869 error = ENETRESET; 2870 break; 2871 case IEEE80211_IOC_CHANNEL: 2872 error = ieee80211_ioctl_setchannel(vap, ireq); 2873 break; 2874 case IEEE80211_IOC_POWERSAVE: 2875 switch (ireq->i_val) { 2876 case IEEE80211_POWERSAVE_OFF: 2877 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2878 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2879 error = ERESTART; 2880 } 2881 break; 2882 case IEEE80211_POWERSAVE_ON: 2883 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2884 error = EOPNOTSUPP; 2885 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2886 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2887 error = ERESTART; 2888 } 2889 break; 2890 default: 2891 error = EINVAL; 2892 break; 2893 } 2894 break; 2895 case IEEE80211_IOC_POWERSAVESLEEP: 2896 if (ireq->i_val < 0) 2897 return EINVAL; 2898 ic->ic_lintval = ireq->i_val; 2899 error = ERESTART; 2900 break; 2901 case IEEE80211_IOC_RTSTHRESHOLD: 2902 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2903 ireq->i_val <= IEEE80211_RTS_MAX)) 2904 return EINVAL; 2905 vap->iv_rtsthreshold = ireq->i_val; 2906 error = ERESTART; 2907 break; 2908 case IEEE80211_IOC_PROTMODE: 2909 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2910 return EINVAL; 2911 vap->iv_protmode = (enum ieee80211_protmode)ireq->i_val; 2912 /* NB: if not operating in 11g this can wait */ 2913 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2914 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2915 error = ERESTART; 2916 /* driver callback for protection mode update */ 2917 ieee80211_vap_update_erp_protmode(vap); 2918 break; 2919 case IEEE80211_IOC_TXPOWER: 2920 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2921 return EOPNOTSUPP; 2922 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2923 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2924 return EINVAL; 2925 ic->ic_txpowlimit = ireq->i_val; 2926 error = ERESTART; 2927 break; 2928 case IEEE80211_IOC_ROAMING: 2929 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2930 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2931 return EINVAL; 2932 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2933 /* XXXX reset? */ 2934 break; 2935 case IEEE80211_IOC_PRIVACY: 2936 if (ireq->i_val) { 2937 /* XXX check for key state? */ 2938 vap->iv_flags |= IEEE80211_F_PRIVACY; 2939 } else 2940 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2941 /* XXX ERESTART? */ 2942 break; 2943 case IEEE80211_IOC_DROPUNENCRYPTED: 2944 if (ireq->i_val) 2945 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2946 else 2947 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2948 /* XXX ERESTART? */ 2949 break; 2950 case IEEE80211_IOC_WPAKEY: 2951 error = ieee80211_ioctl_setkey(vap, ireq); 2952 break; 2953 case IEEE80211_IOC_DELKEY: 2954 error = ieee80211_ioctl_delkey(vap, ireq); 2955 break; 2956 case IEEE80211_IOC_MLME: 2957 error = ieee80211_ioctl_setmlme(vap, ireq); 2958 break; 2959 case IEEE80211_IOC_COUNTERMEASURES: 2960 if (ireq->i_val) { 2961 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2962 return EOPNOTSUPP; 2963 vap->iv_flags |= IEEE80211_F_COUNTERM; 2964 } else 2965 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2966 /* XXX ERESTART? */ 2967 break; 2968 case IEEE80211_IOC_WPA: 2969 if (ireq->i_val > 3) 2970 return EINVAL; 2971 /* XXX verify ciphers available */ 2972 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2973 switch (ireq->i_val) { 2974 case 0: 2975 /* wpa_supplicant calls this to clear the WPA config */ 2976 break; 2977 case 1: 2978 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2979 return EOPNOTSUPP; 2980 flags |= IEEE80211_F_WPA1; 2981 break; 2982 case 2: 2983 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2984 return EOPNOTSUPP; 2985 flags |= IEEE80211_F_WPA2; 2986 break; 2987 case 3: 2988 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2989 return EOPNOTSUPP; 2990 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2991 break; 2992 default: /* Can't set any -> error */ 2993 return EOPNOTSUPP; 2994 } 2995 vap->iv_flags = flags; 2996 error = ERESTART; /* NB: can change beacon frame */ 2997 break; 2998 case IEEE80211_IOC_WME: 2999 if (ireq->i_val) { 3000 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 3001 return EOPNOTSUPP; 3002 ieee80211_syncflag(vap, IEEE80211_F_WME); 3003 } else 3004 ieee80211_syncflag(vap, -IEEE80211_F_WME); 3005 error = ERESTART; /* NB: can change beacon frame */ 3006 break; 3007 case IEEE80211_IOC_HIDESSID: 3008 if (ireq->i_val) 3009 vap->iv_flags |= IEEE80211_F_HIDESSID; 3010 else 3011 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 3012 error = ERESTART; /* XXX ENETRESET? */ 3013 break; 3014 case IEEE80211_IOC_APBRIDGE: 3015 if (ireq->i_val == 0) 3016 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 3017 else 3018 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 3019 break; 3020 case IEEE80211_IOC_BSSID: 3021 if (ireq->i_len != sizeof(tmpbssid)) 3022 return EINVAL; 3023 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 3024 if (error) 3025 break; 3026 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 3027 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 3028 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 3029 else 3030 vap->iv_flags |= IEEE80211_F_DESBSSID; 3031 error = ENETRESET; 3032 break; 3033 case IEEE80211_IOC_CHANLIST: 3034 error = ieee80211_ioctl_setchanlist(vap, ireq); 3035 break; 3036 #define OLD_IEEE80211_IOC_SCAN_REQ 23 3037 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 3038 case OLD_IEEE80211_IOC_SCAN_REQ: 3039 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3040 "%s: active scan request\n", __func__); 3041 /* 3042 * If we are in INIT state then the driver has never 3043 * had a chance to setup hardware state to do a scan; 3044 * use the state machine to get us up the SCAN state. 3045 * Otherwise just invoke the scan machinery to start 3046 * a one-time scan. 3047 */ 3048 if (vap->iv_state == IEEE80211_S_INIT) 3049 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 3050 else 3051 (void) ieee80211_start_scan(vap, 3052 IEEE80211_SCAN_ACTIVE | 3053 IEEE80211_SCAN_NOPICK | 3054 IEEE80211_SCAN_ONCE, 3055 IEEE80211_SCAN_FOREVER, 0, 0, 3056 /* XXX use ioctl params */ 3057 vap->iv_des_nssid, vap->iv_des_ssid); 3058 break; 3059 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 3060 case IEEE80211_IOC_SCAN_REQ: 3061 error = ieee80211_ioctl_scanreq(vap, ireq); 3062 break; 3063 case IEEE80211_IOC_SCAN_CANCEL: 3064 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3065 "%s: cancel scan\n", __func__); 3066 ieee80211_cancel_scan(vap); 3067 break; 3068 case IEEE80211_IOC_HTCONF: 3069 if (ireq->i_val & 1) 3070 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 3071 else 3072 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 3073 if (ireq->i_val & 2) 3074 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 3075 else 3076 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 3077 error = ENETRESET; 3078 break; 3079 case IEEE80211_IOC_ADDMAC: 3080 case IEEE80211_IOC_DELMAC: 3081 error = ieee80211_ioctl_macmac(vap, ireq); 3082 break; 3083 case IEEE80211_IOC_MACCMD: 3084 error = ieee80211_ioctl_setmaccmd(vap, ireq); 3085 break; 3086 case IEEE80211_IOC_STA_STATS: 3087 error = ieee80211_ioctl_setstastats(vap, ireq); 3088 break; 3089 case IEEE80211_IOC_STA_TXPOW: 3090 error = ieee80211_ioctl_setstatxpow(vap, ireq); 3091 break; 3092 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 3093 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 3094 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 3095 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 3096 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 3097 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 3098 error = ieee80211_ioctl_setwmeparam(vap, ireq); 3099 break; 3100 case IEEE80211_IOC_DTIM_PERIOD: 3101 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3102 vap->iv_opmode != IEEE80211_M_MBSS && 3103 vap->iv_opmode != IEEE80211_M_IBSS) 3104 return EINVAL; 3105 if (IEEE80211_DTIM_MIN <= ireq->i_val && 3106 ireq->i_val <= IEEE80211_DTIM_MAX) { 3107 vap->iv_dtim_period = ireq->i_val; 3108 error = ENETRESET; /* requires restart */ 3109 } else 3110 error = EINVAL; 3111 break; 3112 case IEEE80211_IOC_BEACON_INTERVAL: 3113 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3114 vap->iv_opmode != IEEE80211_M_MBSS && 3115 vap->iv_opmode != IEEE80211_M_IBSS) 3116 return EINVAL; 3117 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 3118 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 3119 ic->ic_bintval = ireq->i_val; 3120 error = ENETRESET; /* requires restart */ 3121 } else 3122 error = EINVAL; 3123 break; 3124 case IEEE80211_IOC_PUREG: 3125 if (ireq->i_val) 3126 vap->iv_flags |= IEEE80211_F_PUREG; 3127 else 3128 vap->iv_flags &= ~IEEE80211_F_PUREG; 3129 /* NB: reset only if we're operating on an 11g channel */ 3130 if (isvap11g(vap)) 3131 error = ENETRESET; 3132 break; 3133 case IEEE80211_IOC_QUIET: 3134 vap->iv_quiet= ireq->i_val; 3135 break; 3136 case IEEE80211_IOC_QUIET_COUNT: 3137 vap->iv_quiet_count=ireq->i_val; 3138 break; 3139 case IEEE80211_IOC_QUIET_PERIOD: 3140 vap->iv_quiet_period=ireq->i_val; 3141 break; 3142 case IEEE80211_IOC_QUIET_OFFSET: 3143 vap->iv_quiet_offset=ireq->i_val; 3144 break; 3145 case IEEE80211_IOC_QUIET_DUR: 3146 if(ireq->i_val < vap->iv_bss->ni_intval) 3147 vap->iv_quiet_duration = ireq->i_val; 3148 else 3149 error = EINVAL; 3150 break; 3151 case IEEE80211_IOC_BGSCAN: 3152 if (ireq->i_val) { 3153 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3154 return EOPNOTSUPP; 3155 vap->iv_flags |= IEEE80211_F_BGSCAN; 3156 } else 3157 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3158 break; 3159 case IEEE80211_IOC_BGSCAN_IDLE: 3160 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3161 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3162 else 3163 error = EINVAL; 3164 break; 3165 case IEEE80211_IOC_BGSCAN_INTERVAL: 3166 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3167 vap->iv_bgscanintvl = ireq->i_val*hz; 3168 else 3169 error = EINVAL; 3170 break; 3171 case IEEE80211_IOC_SCANVALID: 3172 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3173 vap->iv_scanvalid = ireq->i_val*hz; 3174 else 3175 error = EINVAL; 3176 break; 3177 case IEEE80211_IOC_FRAGTHRESHOLD: 3178 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3179 ireq->i_val != IEEE80211_FRAG_MAX) 3180 return EOPNOTSUPP; 3181 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3182 ireq->i_val <= IEEE80211_FRAG_MAX)) 3183 return EINVAL; 3184 vap->iv_fragthreshold = ireq->i_val; 3185 error = ERESTART; 3186 break; 3187 case IEEE80211_IOC_BURST: 3188 if (ireq->i_val) { 3189 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3190 return EOPNOTSUPP; 3191 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3192 } else 3193 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3194 error = ERESTART; 3195 break; 3196 case IEEE80211_IOC_BMISSTHRESHOLD: 3197 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3198 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3199 return EINVAL; 3200 vap->iv_bmissthreshold = ireq->i_val; 3201 error = ERESTART; 3202 break; 3203 case IEEE80211_IOC_CURCHAN: 3204 error = ieee80211_ioctl_setcurchan(vap, ireq); 3205 break; 3206 case IEEE80211_IOC_SHORTGI: 3207 if (ireq->i_val) { 3208 #define IEEE80211_HTCAP_SHORTGI \ 3209 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3210 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3211 return EINVAL; 3212 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3213 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3214 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3215 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3216 #undef IEEE80211_HTCAP_SHORTGI 3217 } else 3218 vap->iv_flags_ht &= 3219 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3220 error = ERESTART; 3221 break; 3222 case IEEE80211_IOC_AMPDU: 3223 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3224 return EINVAL; 3225 if (ireq->i_val & 1) 3226 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3227 else 3228 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3229 if (ireq->i_val & 2) 3230 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3231 else 3232 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3233 /* NB: reset only if we're operating on an 11n channel */ 3234 if (isvapht(vap)) 3235 error = ERESTART; 3236 break; 3237 case IEEE80211_IOC_AMPDU_LIMIT: 3238 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */ 3239 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3240 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3241 return EINVAL; 3242 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3243 vap->iv_ampdu_rxmax = ireq->i_val; 3244 else 3245 vap->iv_ampdu_limit = ireq->i_val; 3246 error = ERESTART; 3247 break; 3248 case IEEE80211_IOC_AMPDU_DENSITY: 3249 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3250 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3251 return EINVAL; 3252 vap->iv_ampdu_density = ireq->i_val; 3253 error = ERESTART; 3254 break; 3255 case IEEE80211_IOC_AMSDU: 3256 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3257 return EINVAL; 3258 if (ireq->i_val & 1) 3259 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3260 else 3261 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3262 if (ireq->i_val & 2) 3263 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3264 else 3265 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3266 /* NB: reset only if we're operating on an 11n channel */ 3267 if (isvapht(vap)) 3268 error = ERESTART; 3269 break; 3270 case IEEE80211_IOC_AMSDU_LIMIT: 3271 /* XXX validate */ 3272 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3273 break; 3274 case IEEE80211_IOC_PUREN: 3275 if (ireq->i_val) { 3276 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3277 return EINVAL; 3278 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3279 } else 3280 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3281 /* NB: reset only if we're operating on an 11n channel */ 3282 if (isvapht(vap)) 3283 error = ERESTART; 3284 break; 3285 case IEEE80211_IOC_DOTH: 3286 if (ireq->i_val) { 3287 #if 0 3288 /* XXX no capability */ 3289 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3290 return EOPNOTSUPP; 3291 #endif 3292 vap->iv_flags |= IEEE80211_F_DOTH; 3293 } else 3294 vap->iv_flags &= ~IEEE80211_F_DOTH; 3295 error = ENETRESET; 3296 break; 3297 case IEEE80211_IOC_REGDOMAIN: 3298 error = ieee80211_ioctl_setregdomain(vap, ireq); 3299 break; 3300 case IEEE80211_IOC_ROAM: 3301 error = ieee80211_ioctl_setroam(vap, ireq); 3302 break; 3303 case IEEE80211_IOC_TXPARAMS: 3304 error = ieee80211_ioctl_settxparams(vap, ireq); 3305 break; 3306 case IEEE80211_IOC_HTCOMPAT: 3307 if (ireq->i_val) { 3308 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3309 return EOPNOTSUPP; 3310 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3311 } else 3312 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3313 /* NB: reset only if we're operating on an 11n channel */ 3314 if (isvapht(vap)) 3315 error = ERESTART; 3316 break; 3317 case IEEE80211_IOC_DWDS: 3318 if (ireq->i_val) { 3319 /* NB: DWDS only makes sense for WDS-capable devices */ 3320 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3321 return EOPNOTSUPP; 3322 /* NB: DWDS is used only with ap+sta vaps */ 3323 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3324 vap->iv_opmode != IEEE80211_M_STA) 3325 return EINVAL; 3326 vap->iv_flags |= IEEE80211_F_DWDS; 3327 if (vap->iv_opmode == IEEE80211_M_STA) 3328 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3329 } else { 3330 vap->iv_flags &= ~IEEE80211_F_DWDS; 3331 if (vap->iv_opmode == IEEE80211_M_STA) 3332 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3333 } 3334 break; 3335 case IEEE80211_IOC_INACTIVITY: 3336 if (ireq->i_val) 3337 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3338 else 3339 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3340 break; 3341 case IEEE80211_IOC_APPIE: 3342 error = ieee80211_ioctl_setappie(vap, ireq); 3343 break; 3344 case IEEE80211_IOC_WPS: 3345 if (ireq->i_val) { 3346 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3347 return EOPNOTSUPP; 3348 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3349 } else 3350 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3351 break; 3352 case IEEE80211_IOC_TSN: 3353 if (ireq->i_val) { 3354 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3355 return EOPNOTSUPP; 3356 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3357 } else 3358 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3359 break; 3360 case IEEE80211_IOC_CHANSWITCH: 3361 error = ieee80211_ioctl_chanswitch(vap, ireq); 3362 break; 3363 case IEEE80211_IOC_DFS: 3364 if (ireq->i_val) { 3365 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3366 return EOPNOTSUPP; 3367 /* NB: DFS requires 11h support */ 3368 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3369 return EINVAL; 3370 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3371 } else 3372 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3373 break; 3374 case IEEE80211_IOC_DOTD: 3375 if (ireq->i_val) 3376 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3377 else 3378 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3379 if (vap->iv_opmode == IEEE80211_M_STA) 3380 error = ENETRESET; 3381 break; 3382 case IEEE80211_IOC_HTPROTMODE: 3383 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3384 return EINVAL; 3385 vap->iv_htprotmode = ireq->i_val ? 3386 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3387 /* NB: if not operating in 11n this can wait */ 3388 if (isvapht(vap)) 3389 error = ERESTART; 3390 /* Notify driver layer of HT protmode changes */ 3391 ieee80211_vap_update_ht_protmode(vap); 3392 break; 3393 case IEEE80211_IOC_STA_VLAN: 3394 error = ieee80211_ioctl_setstavlan(vap, ireq); 3395 break; 3396 case IEEE80211_IOC_SMPS: 3397 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3398 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3399 return EINVAL; 3400 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3401 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3402 return EOPNOTSUPP; 3403 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3404 ireq->i_val; 3405 /* NB: if not operating in 11n this can wait */ 3406 if (isvapht(vap)) 3407 error = ERESTART; 3408 break; 3409 case IEEE80211_IOC_RIFS: 3410 if (ireq->i_val != 0) { 3411 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3412 return EOPNOTSUPP; 3413 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3414 } else 3415 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3416 /* NB: if not operating in 11n this can wait */ 3417 if (isvapht(vap)) 3418 error = ERESTART; 3419 break; 3420 case IEEE80211_IOC_STBC: 3421 /* Check if we can do STBC TX/RX before changing the setting */ 3422 if ((ireq->i_val & 1) && 3423 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0)) 3424 return EOPNOTSUPP; 3425 if ((ireq->i_val & 2) && 3426 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0)) 3427 return EOPNOTSUPP; 3428 3429 /* TX */ 3430 if (ireq->i_val & 1) 3431 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX; 3432 else 3433 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX; 3434 3435 /* RX */ 3436 if (ireq->i_val & 2) 3437 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX; 3438 else 3439 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX; 3440 3441 /* NB: reset only if we're operating on an 11n channel */ 3442 if (isvapht(vap)) 3443 error = ERESTART; 3444 break; 3445 case IEEE80211_IOC_LDPC: 3446 /* Check if we can do LDPC TX/RX before changing the setting */ 3447 if ((ireq->i_val & 1) && 3448 (vap->iv_htcaps & IEEE80211_HTC_TXLDPC) == 0) 3449 return EOPNOTSUPP; 3450 if ((ireq->i_val & 2) && 3451 (vap->iv_htcaps & IEEE80211_HTCAP_LDPC) == 0) 3452 return EOPNOTSUPP; 3453 3454 /* TX */ 3455 if (ireq->i_val & 1) 3456 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX; 3457 else 3458 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_TX; 3459 3460 /* RX */ 3461 if (ireq->i_val & 2) 3462 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX; 3463 else 3464 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_RX; 3465 3466 /* NB: reset only if we're operating on an 11n channel */ 3467 if (isvapht(vap)) 3468 error = ERESTART; 3469 break; 3470 case IEEE80211_IOC_UAPSD: 3471 if ((vap->iv_caps & IEEE80211_C_UAPSD) == 0) 3472 return EOPNOTSUPP; 3473 if (ireq->i_val == 0) 3474 vap->iv_flags_ext &= ~IEEE80211_FEXT_UAPSD; 3475 else if (ireq->i_val == 1) 3476 vap->iv_flags_ext |= IEEE80211_FEXT_UAPSD; 3477 else 3478 return EINVAL; 3479 break; 3480 3481 /* VHT */ 3482 case IEEE80211_IOC_VHTCONF: 3483 if (ireq->i_val & IEEE80211_FVHT_VHT) 3484 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_VHT); 3485 else 3486 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_VHT); 3487 3488 if (ireq->i_val & IEEE80211_FVHT_USEVHT40) 3489 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT40); 3490 else 3491 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT40); 3492 3493 if (ireq->i_val & IEEE80211_FVHT_USEVHT80) 3494 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80); 3495 else 3496 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80); 3497 3498 if (ireq->i_val & IEEE80211_FVHT_USEVHT160) 3499 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT160); 3500 else 3501 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT160); 3502 3503 if (ireq->i_val & IEEE80211_FVHT_USEVHT80P80) 3504 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80P80); 3505 else 3506 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80P80); 3507 3508 error = ENETRESET; 3509 break; 3510 3511 default: 3512 error = ieee80211_ioctl_setdefault(vap, ireq); 3513 break; 3514 } 3515 /* 3516 * The convention is that ENETRESET means an operation 3517 * requires a complete re-initialization of the device (e.g. 3518 * changing something that affects the association state). 3519 * ERESTART means the request may be handled with only a 3520 * reload of the hardware state. We hand ERESTART requests 3521 * to the iv_reset callback so the driver can decide. If 3522 * a device does not fillin iv_reset then it defaults to one 3523 * that returns ENETRESET. Otherwise a driver may return 3524 * ENETRESET (in which case a full reset will be done) or 3525 * 0 to mean there's no need to do anything (e.g. when the 3526 * change has no effect on the driver/device). 3527 */ 3528 if (error == ERESTART) 3529 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3530 vap->iv_reset(vap, ireq->i_type) : 0; 3531 if (error == ENETRESET) { 3532 /* XXX need to re-think AUTO handling */ 3533 if (IS_UP_AUTO(vap)) 3534 ieee80211_init(vap); 3535 error = 0; 3536 } 3537 return error; 3538 } 3539 3540 int 3541 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3542 { 3543 struct ieee80211vap *vap = ifp->if_softc; 3544 struct ieee80211com *ic = vap->iv_ic; 3545 int error = 0, wait = 0, ic_used; 3546 struct ifreq *ifr; 3547 struct ifaddr *ifa; /* XXX */ 3548 3549 ic_used = (cmd != SIOCSIFMTU && cmd != SIOCG80211STATS); 3550 if (ic_used && (error = ieee80211_com_vincref(vap)) != 0) 3551 return (error); 3552 3553 switch (cmd) { 3554 case SIOCSIFFLAGS: 3555 IEEE80211_LOCK(ic); 3556 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) { 3557 /* 3558 * Enable promiscuous mode when: 3559 * 1. Interface is not a member of bridge, or 3560 * 2. Requested by user, or 3561 * 3. In monitor (or adhoc-demo) mode. 3562 */ 3563 if (ifp->if_bridge == NULL || 3564 (ifp->if_flags & IFF_PPROMISC) != 0 || 3565 vap->iv_opmode == IEEE80211_M_MONITOR || 3566 (vap->iv_opmode == IEEE80211_M_AHDEMO && 3567 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) { 3568 ieee80211_promisc(vap, 3569 ifp->if_flags & IFF_PROMISC); 3570 vap->iv_ifflags ^= IFF_PROMISC; 3571 } 3572 } 3573 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) { 3574 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3575 vap->iv_ifflags ^= IFF_ALLMULTI; 3576 } 3577 if (ifp->if_flags & IFF_UP) { 3578 /* 3579 * Bring ourself up unless we're already operational. 3580 * If we're the first vap and the parent is not up 3581 * then it will automatically be brought up as a 3582 * side-effect of bringing ourself up. 3583 */ 3584 if (vap->iv_state == IEEE80211_S_INIT) { 3585 if (ic->ic_nrunning == 0) 3586 wait = 1; 3587 ieee80211_start_locked(vap); 3588 } 3589 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3590 /* 3591 * Stop ourself. If we are the last vap to be 3592 * marked down the parent will also be taken down. 3593 */ 3594 if (ic->ic_nrunning == 1) 3595 wait = 1; 3596 ieee80211_stop_locked(vap); 3597 } 3598 IEEE80211_UNLOCK(ic); 3599 /* Wait for parent ioctl handler if it was queued */ 3600 if (wait) { 3601 struct epoch_tracker et; 3602 3603 ieee80211_waitfor_parent(ic); 3604 3605 /* 3606 * Check if the MAC address was changed 3607 * via SIOCSIFLLADDR ioctl. 3608 * 3609 * NB: device may be detached during initialization; 3610 * use if_ioctl for existence check. 3611 */ 3612 NET_EPOCH_ENTER(et); 3613 if (ifp->if_ioctl == ieee80211_ioctl && 3614 (ifp->if_flags & IFF_UP) == 0 && 3615 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp))) 3616 IEEE80211_ADDR_COPY(vap->iv_myaddr, 3617 IF_LLADDR(ifp)); 3618 NET_EPOCH_EXIT(et); 3619 } 3620 break; 3621 case SIOCADDMULTI: 3622 case SIOCDELMULTI: 3623 ieee80211_runtask(ic, &ic->ic_mcast_task); 3624 break; 3625 case SIOCSIFMEDIA: 3626 case SIOCGIFMEDIA: 3627 ifr = (struct ifreq *)data; 3628 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3629 break; 3630 case SIOCG80211: 3631 error = ieee80211_ioctl_get80211(vap, cmd, 3632 (struct ieee80211req *) data); 3633 break; 3634 case SIOCS80211: 3635 /* XXX TODO: move priv check to ieee80211_freebsd.c */ 3636 error = priv_check(curthread, PRIV_NET80211_VAP_MANAGE); 3637 if (error == 0) 3638 error = ieee80211_ioctl_set80211(vap, cmd, 3639 (struct ieee80211req *) data); 3640 break; 3641 case SIOCG80211STATS: 3642 ifr = (struct ifreq *)data; 3643 copyout(&vap->iv_stats, ifr_data_get_ptr(ifr), 3644 sizeof (vap->iv_stats)); 3645 break; 3646 case SIOCSIFMTU: 3647 ifr = (struct ifreq *)data; 3648 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3649 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3650 error = EINVAL; 3651 else 3652 ifp->if_mtu = ifr->ifr_mtu; 3653 break; 3654 case SIOCSIFADDR: 3655 /* 3656 * XXX Handle this directly so we can suppress if_init calls. 3657 * XXX This should be done in ether_ioctl but for the moment 3658 * XXX there are too many other parts of the system that 3659 * XXX set IFF_UP and so suppress if_init being called when 3660 * XXX it should be. 3661 */ 3662 ifa = (struct ifaddr *) data; 3663 switch (ifa->ifa_addr->sa_family) { 3664 #ifdef INET 3665 case AF_INET: 3666 if ((ifp->if_flags & IFF_UP) == 0) { 3667 ifp->if_flags |= IFF_UP; 3668 ifp->if_init(ifp->if_softc); 3669 } 3670 arp_ifinit(ifp, ifa); 3671 break; 3672 #endif 3673 default: 3674 if ((ifp->if_flags & IFF_UP) == 0) { 3675 ifp->if_flags |= IFF_UP; 3676 ifp->if_init(ifp->if_softc); 3677 } 3678 break; 3679 } 3680 break; 3681 case SIOCSIFLLADDR: 3682 /* XXX TODO: move priv check to ieee80211_freebsd.c */ 3683 error = priv_check(curthread, PRIV_NET80211_VAP_SETMAC); 3684 if (error == 0) 3685 break; 3686 /* Fallthrough */ 3687 default: 3688 /* 3689 * Pass unknown ioctls first to the driver, and if it 3690 * returns ENOTTY, then to the generic Ethernet handler. 3691 */ 3692 if (ic->ic_ioctl != NULL && 3693 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3694 break; 3695 error = ether_ioctl(ifp, cmd, data); 3696 break; 3697 } 3698 3699 if (ic_used) 3700 ieee80211_com_vdecref(vap); 3701 3702 return (error); 3703 } 3704