ieee80211_ioctl.c revision 1.60.18.2
1 /* $NetBSD: ieee80211_ioctl.c,v 1.60.18.2 2018/07/12 16:35:34 phil Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 5 * 6 * Copyright (c) 2001 Atsushi Onoe 7 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 #if __FreeBSD__ 33 __FBSDID("$FreeBSD$"); 34 #endif 35 36 /* 37 * IEEE 802.11 ioctl support (FreeBSD-specific) 38 */ 39 40 #include "opt_inet.h" 41 #include "opt_wlan.h" 42 43 #include <sys/endian.h> 44 #include <sys/param.h> 45 #include <sys/kernel.h> 46 #include <sys/malloc.h> 47 #if __FreeBSD__ 48 #include <sys/priv.h> 49 #endif 50 #include <sys/socket.h> 51 #include <sys/sockio.h> 52 #include <sys/systm.h> 53 54 #include <net/if.h> 55 #if __FreeBSD__ 56 #include <net/if_var.h> 57 #endif 58 #include <net/if_dl.h> 59 #include <net/if_media.h> 60 #if __FreeBSD__ 61 #include <net/ethernet.h> 62 #endif 63 #if __NetBSD__ 64 #include <net/if_ether.h> 65 #endif 66 67 #ifdef INET 68 #include <netinet/in.h> 69 #if __FreeBSD__ 70 #include <netinet/if_ether.h> 71 #endif 72 #if __NetBSD__ 73 #include <netinet/if_inarp.h> 74 #endif 75 #endif 76 77 #include <net80211/ieee80211_var.h> 78 #include <net80211/ieee80211_ioctl.h> 79 #include <net80211/ieee80211_regdomain.h> 80 #include <net80211/ieee80211_input.h> 81 82 #ifdef __NetBSD__ 83 #undef KASSERT 84 #define KASSERT(__cond, __complaint) FBSDKASSERT(__cond, __complaint) 85 #endif 86 87 #define IS_UP_AUTO(_vap) \ 88 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 89 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 90 91 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 92 static struct ieee80211_channel *findchannel(struct ieee80211com *, 93 int ieee, int mode); 94 static int ieee80211_scanreq(struct ieee80211vap *, 95 struct ieee80211_scan_req *); 96 97 static int 98 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 99 { 100 struct ieee80211com *ic = vap->iv_ic; 101 struct ieee80211_node *ni; 102 struct ieee80211req_key ik; 103 struct ieee80211_key *wk; 104 const struct ieee80211_cipher *cip; 105 u_int kid; 106 int error; 107 108 if (ireq->i_len != sizeof(ik)) 109 return EINVAL; 110 error = copyin(ireq->i_data, &ik, sizeof(ik)); 111 if (error) 112 return error; 113 kid = ik.ik_keyix; 114 if (kid == IEEE80211_KEYIX_NONE) { 115 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 116 if (ni == NULL) 117 return ENOENT; 118 wk = &ni->ni_ucastkey; 119 } else { 120 if (kid >= IEEE80211_WEP_NKID) 121 return EINVAL; 122 wk = &vap->iv_nw_keys[kid]; 123 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 124 ni = NULL; 125 } 126 cip = wk->wk_cipher; 127 ik.ik_type = cip->ic_cipher; 128 ik.ik_keylen = wk->wk_keylen; 129 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 130 if (wk->wk_keyix == vap->iv_def_txkey) 131 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 132 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 133 /* NB: only root can read key data */ 134 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 135 ik.ik_keytsc = wk->wk_keytsc; 136 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 137 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 138 memcpy(ik.ik_keydata+wk->wk_keylen, 139 wk->wk_key + IEEE80211_KEYBUF_SIZE, 140 IEEE80211_MICBUF_SIZE); 141 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 142 } 143 } else { 144 ik.ik_keyrsc = 0; 145 ik.ik_keytsc = 0; 146 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 147 } 148 if (ni != NULL) 149 ieee80211_free_node(ni); 150 return copyout(&ik, ireq->i_data, sizeof(ik)); 151 } 152 153 static int 154 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 155 { 156 struct ieee80211com *ic = vap->iv_ic; 157 158 if (sizeof(ic->ic_chan_active) < ireq->i_len) 159 ireq->i_len = sizeof(ic->ic_chan_active); 160 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 161 } 162 163 static int 164 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 165 { 166 struct ieee80211com *ic = vap->iv_ic; 167 uint32_t space; 168 169 space = __offsetof(struct ieee80211req_chaninfo, 170 ic_chans[ic->ic_nchans]); 171 if (space > ireq->i_len) 172 space = ireq->i_len; 173 /* XXX assumes compatible layout */ 174 return copyout(&ic->ic_nchans, ireq->i_data, space); 175 } 176 177 static int 178 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 179 struct ieee80211req *ireq, int req) 180 { 181 struct ieee80211_node *ni; 182 struct ieee80211req_wpaie2 *wpaie; 183 int error; 184 185 if (ireq->i_len < IEEE80211_ADDR_LEN) 186 return EINVAL; 187 wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP, 188 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 189 if (wpaie == NULL) 190 return ENOMEM; 191 error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN); 192 if (error != 0) 193 goto bad; 194 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr); 195 if (ni == NULL) { 196 error = ENOENT; 197 goto bad; 198 } 199 if (ni->ni_ies.wpa_ie != NULL) { 200 int ielen = ni->ni_ies.wpa_ie[1] + 2; 201 if (ielen > sizeof(wpaie->wpa_ie)) 202 ielen = sizeof(wpaie->wpa_ie); 203 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen); 204 } 205 if (req == IEEE80211_IOC_WPAIE2) { 206 if (ni->ni_ies.rsn_ie != NULL) { 207 int ielen = ni->ni_ies.rsn_ie[1] + 2; 208 if (ielen > sizeof(wpaie->rsn_ie)) 209 ielen = sizeof(wpaie->rsn_ie); 210 memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen); 211 } 212 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 213 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 214 } else { 215 /* compatibility op, may overwrite wpa ie */ 216 /* XXX check ic_flags? */ 217 if (ni->ni_ies.rsn_ie != NULL) { 218 int ielen = ni->ni_ies.rsn_ie[1] + 2; 219 if (ielen > sizeof(wpaie->wpa_ie)) 220 ielen = sizeof(wpaie->wpa_ie); 221 memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen); 222 } 223 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 224 ireq->i_len = sizeof(struct ieee80211req_wpaie); 225 } 226 ieee80211_free_node(ni); 227 error = copyout(wpaie, ireq->i_data, ireq->i_len); 228 bad: 229 IEEE80211_FREE(wpaie, M_TEMP); 230 return error; 231 } 232 233 static int 234 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 235 { 236 struct ieee80211_node *ni; 237 uint8_t macaddr[IEEE80211_ADDR_LEN]; 238 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats); 239 int error; 240 241 if (ireq->i_len < off) 242 return EINVAL; 243 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 244 if (error != 0) 245 return error; 246 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 247 if (ni == NULL) 248 return ENOENT; 249 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 250 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 251 /* NB: copy out only the statistics */ 252 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 253 ireq->i_len - off); 254 ieee80211_free_node(ni); 255 return error; 256 } 257 258 struct scanreq { 259 struct ieee80211req_scan_result *sr; 260 size_t space; 261 }; 262 263 static size_t 264 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 265 { 266 size_t len; 267 268 *ielen = se->se_ies.len; 269 /* 270 * NB: ie's can be no more than 255 bytes and the max 802.11 271 * packet is <3Kbytes so we are sure this doesn't overflow 272 * 16-bits; if this is a concern we can drop the ie's. 273 */ 274 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 275 se->se_meshid[1] + *ielen; 276 return roundup(len, sizeof(uint32_t)); 277 } 278 279 static void 280 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 281 { 282 struct scanreq *req = arg; 283 int ielen; 284 285 req->space += scan_space(se, &ielen); 286 } 287 288 static void 289 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 290 { 291 struct scanreq *req = arg; 292 struct ieee80211req_scan_result *sr; 293 int ielen, len, nr, nxr; 294 uint8_t *cp; 295 296 len = scan_space(se, &ielen); 297 if (len > req->space) 298 return; 299 300 sr = req->sr; 301 KASSERT(len <= 65535 && ielen <= 65535, 302 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 303 sr->isr_len = len; 304 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 305 sr->isr_ie_len = ielen; 306 sr->isr_freq = se->se_chan->ic_freq; 307 sr->isr_flags = se->se_chan->ic_flags; 308 sr->isr_rssi = se->se_rssi; 309 sr->isr_noise = se->se_noise; 310 sr->isr_intval = se->se_intval; 311 sr->isr_capinfo = se->se_capinfo; 312 sr->isr_erp = se->se_erp; 313 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 314 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 315 memcpy(sr->isr_rates, se->se_rates+2, nr); 316 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 317 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 318 sr->isr_nrates = nr + nxr; 319 320 /* copy SSID */ 321 sr->isr_ssid_len = se->se_ssid[1]; 322 cp = ((uint8_t *)sr) + sr->isr_ie_off; 323 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 324 325 /* copy mesh id */ 326 cp += sr->isr_ssid_len; 327 sr->isr_meshid_len = se->se_meshid[1]; 328 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 329 cp += sr->isr_meshid_len; 330 331 if (ielen) 332 memcpy(cp, se->se_ies.data, ielen); 333 334 req->space -= len; 335 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 336 } 337 338 static int 339 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 340 struct ieee80211req *ireq) 341 { 342 struct scanreq req; 343 int error; 344 345 if (ireq->i_len < sizeof(struct scanreq)) 346 return EFAULT; 347 348 error = 0; 349 req.space = 0; 350 ieee80211_scan_iterate(vap, get_scan_space, &req); 351 if (req.space > ireq->i_len) 352 req.space = ireq->i_len; 353 if (req.space > 0) { 354 uint32_t space; 355 void *p; 356 357 space = req.space; 358 /* XXX M_WAITOK after driver lock released */ 359 p = IEEE80211_MALLOC(space, M_TEMP, 360 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 361 if (p == NULL) 362 return ENOMEM; 363 req.sr = p; 364 ieee80211_scan_iterate(vap, get_scan_result, &req); 365 ireq->i_len = space - req.space; 366 error = copyout(p, ireq->i_data, ireq->i_len); 367 IEEE80211_FREE(p, M_TEMP); 368 } else 369 ireq->i_len = 0; 370 371 return error; 372 } 373 374 struct stainforeq { 375 struct ieee80211req_sta_info *si; 376 size_t space; 377 }; 378 379 static size_t 380 sta_space(const struct ieee80211_node *ni, size_t *ielen) 381 { 382 *ielen = ni->ni_ies.len; 383 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 384 sizeof(uint32_t)); 385 } 386 387 static void 388 get_sta_space(void *arg, struct ieee80211_node *ni) 389 { 390 struct stainforeq *req = arg; 391 size_t ielen; 392 393 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 394 ni->ni_associd == 0) /* only associated stations */ 395 return; 396 req->space += sta_space(ni, &ielen); 397 } 398 399 static void 400 get_sta_info(void *arg, struct ieee80211_node *ni) 401 { 402 struct stainforeq *req = arg; 403 struct ieee80211vap *vap = ni->ni_vap; 404 struct ieee80211req_sta_info *si; 405 size_t ielen, len; 406 uint8_t *cp; 407 408 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 409 ni->ni_associd == 0) /* only associated stations */ 410 return; 411 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 412 return; 413 len = sta_space(ni, &ielen); 414 if (len > req->space) 415 return; 416 si = req->si; 417 si->isi_len = len; 418 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 419 si->isi_ie_len = ielen; 420 si->isi_freq = ni->ni_chan->ic_freq; 421 si->isi_flags = ni->ni_chan->ic_flags; 422 si->isi_state = ni->ni_flags; 423 si->isi_authmode = ni->ni_authmode; 424 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 425 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 426 si->isi_capinfo = ni->ni_capinfo; 427 si->isi_erp = ni->ni_erp; 428 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 429 si->isi_nrates = ni->ni_rates.rs_nrates; 430 if (si->isi_nrates > 15) 431 si->isi_nrates = 15; 432 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 433 si->isi_txrate = ni->ni_txrate; 434 if (si->isi_txrate & IEEE80211_RATE_MCS) { 435 const struct ieee80211_mcs_rates *mcs = 436 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 437 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 438 if (ni->ni_flags & IEEE80211_NODE_SGI40) 439 si->isi_txmbps = mcs->ht40_rate_800ns; 440 else 441 si->isi_txmbps = mcs->ht40_rate_400ns; 442 } else { 443 if (ni->ni_flags & IEEE80211_NODE_SGI20) 444 si->isi_txmbps = mcs->ht20_rate_800ns; 445 else 446 si->isi_txmbps = mcs->ht20_rate_400ns; 447 } 448 } else 449 si->isi_txmbps = si->isi_txrate; 450 si->isi_associd = ni->ni_associd; 451 si->isi_txpower = ni->ni_txpower; 452 si->isi_vlan = ni->ni_vlan; 453 if (ni->ni_flags & IEEE80211_NODE_QOS) { 454 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 455 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 456 } else { 457 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 458 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 459 } 460 /* NB: leave all cases in case we relax ni_associd == 0 check */ 461 if (ieee80211_node_is_authorized(ni)) 462 si->isi_inact = vap->iv_inact_run; 463 else if (ni->ni_associd != 0 || 464 (vap->iv_opmode == IEEE80211_M_WDS && 465 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 466 si->isi_inact = vap->iv_inact_auth; 467 else 468 si->isi_inact = vap->iv_inact_init; 469 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 470 si->isi_localid = ni->ni_mllid; 471 si->isi_peerid = ni->ni_mlpid; 472 si->isi_peerstate = ni->ni_mlstate; 473 474 if (ielen) { 475 cp = ((uint8_t *)si) + si->isi_ie_off; 476 memcpy(cp, ni->ni_ies.data, ielen); 477 } 478 479 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 480 req->space -= len; 481 } 482 483 static int 484 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 485 struct ieee80211_node *ni, size_t off) 486 { 487 struct ieee80211com *ic = vap->iv_ic; 488 struct stainforeq req; 489 size_t space; 490 void *p; 491 int error; 492 493 error = 0; 494 req.space = 0; 495 if (ni == NULL) { 496 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_sta_space, 497 &req); 498 } else 499 get_sta_space(&req, ni); 500 if (req.space > ireq->i_len) 501 req.space = ireq->i_len; 502 if (req.space > 0) { 503 space = req.space; 504 /* XXX M_WAITOK after driver lock released */ 505 p = IEEE80211_MALLOC(space, M_TEMP, 506 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 507 if (p == NULL) { 508 error = ENOMEM; 509 goto bad; 510 } 511 req.si = p; 512 if (ni == NULL) { 513 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, 514 get_sta_info, &req); 515 } else 516 get_sta_info(&req, ni); 517 ireq->i_len = space - req.space; 518 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 519 IEEE80211_FREE(p, M_TEMP); 520 } else 521 ireq->i_len = 0; 522 bad: 523 if (ni != NULL) 524 ieee80211_free_node(ni); 525 return error; 526 } 527 528 static int 529 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 530 { 531 uint8_t macaddr[IEEE80211_ADDR_LEN]; 532 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 533 struct ieee80211_node *ni; 534 int error; 535 536 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 537 return EFAULT; 538 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 539 if (error != 0) 540 return error; 541 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 542 ni = NULL; 543 } else { 544 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 545 if (ni == NULL) 546 return ENOENT; 547 } 548 return getstainfo_common(vap, ireq, ni, off); 549 } 550 551 static int 552 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 553 { 554 struct ieee80211_node *ni; 555 struct ieee80211req_sta_txpow txpow; 556 int error; 557 558 if (ireq->i_len != sizeof(txpow)) 559 return EINVAL; 560 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 561 if (error != 0) 562 return error; 563 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 564 if (ni == NULL) 565 return ENOENT; 566 txpow.it_txpow = ni->ni_txpower; 567 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 568 ieee80211_free_node(ni); 569 return error; 570 } 571 572 static int 573 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 574 { 575 struct ieee80211com *ic = vap->iv_ic; 576 struct ieee80211_wme_state *wme = &ic->ic_wme; 577 struct wmeParams *wmep; 578 int ac; 579 580 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 581 return EINVAL; 582 583 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 584 if (ac >= WME_NUM_AC) 585 ac = WME_AC_BE; 586 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 587 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 588 else 589 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 590 switch (ireq->i_type) { 591 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 592 ireq->i_val = wmep->wmep_logcwmin; 593 break; 594 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 595 ireq->i_val = wmep->wmep_logcwmax; 596 break; 597 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 598 ireq->i_val = wmep->wmep_aifsn; 599 break; 600 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 601 ireq->i_val = wmep->wmep_txopLimit; 602 break; 603 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 604 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 605 ireq->i_val = wmep->wmep_acm; 606 break; 607 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 608 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 609 ireq->i_val = !wmep->wmep_noackPolicy; 610 break; 611 } 612 return 0; 613 } 614 615 static int 616 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 617 { 618 const struct ieee80211_aclator *acl = vap->iv_acl; 619 620 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 621 } 622 623 static int 624 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 625 { 626 struct ieee80211com *ic = vap->iv_ic; 627 struct ieee80211_channel *c; 628 629 if (ireq->i_len != sizeof(struct ieee80211_channel)) 630 return EINVAL; 631 /* 632 * vap's may have different operating channels when HT is 633 * in use. When in RUN state report the vap-specific channel. 634 * Otherwise return curchan. 635 */ 636 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 637 c = vap->iv_bss->ni_chan; 638 else 639 c = ic->ic_curchan; 640 return copyout(c, ireq->i_data, sizeof(*c)); 641 } 642 643 static int 644 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 645 { 646 if (aie == NULL) 647 return EINVAL; 648 /* NB: truncate, caller can check length */ 649 if (ireq->i_len > aie->ie_len) 650 ireq->i_len = aie->ie_len; 651 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 652 } 653 654 static int 655 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 656 { 657 uint8_t fc0; 658 659 fc0 = ireq->i_val & 0xff; 660 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 661 return EINVAL; 662 /* NB: could check iv_opmode and reject but hardly worth the effort */ 663 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 664 case IEEE80211_FC0_SUBTYPE_BEACON: 665 return getappie(vap->iv_appie_beacon, ireq); 666 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 667 return getappie(vap->iv_appie_proberesp, ireq); 668 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 669 return getappie(vap->iv_appie_assocresp, ireq); 670 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 671 return getappie(vap->iv_appie_probereq, ireq); 672 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 673 return getappie(vap->iv_appie_assocreq, ireq); 674 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 675 return getappie(vap->iv_appie_wpa, ireq); 676 } 677 return EINVAL; 678 } 679 680 static int 681 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 682 const struct ieee80211req *ireq) 683 { 684 struct ieee80211com *ic = vap->iv_ic; 685 686 if (ireq->i_len != sizeof(ic->ic_regdomain)) 687 return EINVAL; 688 return copyout(&ic->ic_regdomain, ireq->i_data, 689 sizeof(ic->ic_regdomain)); 690 } 691 692 static int 693 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 694 const struct ieee80211req *ireq) 695 { 696 size_t len = ireq->i_len; 697 /* NB: accept short requests for backwards compat */ 698 if (len > sizeof(vap->iv_roamparms)) 699 len = sizeof(vap->iv_roamparms); 700 return copyout(vap->iv_roamparms, ireq->i_data, len); 701 } 702 703 static int 704 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 705 const struct ieee80211req *ireq) 706 { 707 size_t len = ireq->i_len; 708 /* NB: accept short requests for backwards compat */ 709 if (len > sizeof(vap->iv_txparms)) 710 len = sizeof(vap->iv_txparms); 711 return copyout(vap->iv_txparms, ireq->i_data, len); 712 } 713 714 static int 715 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 716 const struct ieee80211req *ireq) 717 { 718 struct ieee80211_devcaps_req *dc; 719 struct ieee80211req_chaninfo *ci; 720 int maxchans, error; 721 722 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 723 sizeof(struct ieee80211_channel)); 724 /* NB: require 1 so we know ic_nchans is accessible */ 725 if (maxchans < 1) 726 return EINVAL; 727 /* constrain max request size, 2K channels is ~24Kbytes */ 728 if (maxchans > 2048) 729 maxchans = 2048; 730 dc = (struct ieee80211_devcaps_req *) 731 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, 732 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 733 if (dc == NULL) 734 return ENOMEM; 735 dc->dc_drivercaps = ic->ic_caps; 736 dc->dc_cryptocaps = ic->ic_cryptocaps; 737 dc->dc_htcaps = ic->ic_htcaps; 738 dc->dc_vhtcaps = ic->ic_vhtcaps; 739 ci = &dc->dc_chaninfo; 740 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 741 KASSERT(ci->ic_nchans <= maxchans, 742 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 743 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 744 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 745 IEEE80211_FREE(dc, M_TEMP); 746 return error; 747 } 748 749 static int 750 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 751 { 752 struct ieee80211_node *ni; 753 struct ieee80211req_sta_vlan vlan; 754 int error; 755 756 if (ireq->i_len != sizeof(vlan)) 757 return EINVAL; 758 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 759 if (error != 0) 760 return error; 761 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 762 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 763 vlan.sv_macaddr); 764 if (ni == NULL) 765 return ENOENT; 766 } else 767 ni = ieee80211_ref_node(vap->iv_bss); 768 vlan.sv_vlan = ni->ni_vlan; 769 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 770 ieee80211_free_node(ni); 771 return error; 772 } 773 774 /* 775 * Dummy ioctl get handler so the linker set is defined. 776 */ 777 static __unused int 778 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 779 { 780 return ENOSYS; 781 } 782 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 783 784 static int 785 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 786 { 787 #ifdef notyet 788 ieee80211_ioctl_getfunc * const *get; 789 int error; 790 791 SET_FOREACH(get, ieee80211_ioctl_getset) { 792 error = (*get)(vap, ireq); 793 if (error != ENOSYS) 794 return error; 795 } 796 #endif 797 return EINVAL; 798 } 799 800 static int 801 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 802 struct ieee80211req *ireq) 803 { 804 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 805 struct ieee80211com *ic = vap->iv_ic; 806 u_int kid, len; 807 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 808 char tmpssid[IEEE80211_NWID_LEN]; 809 int error = 0; 810 811 switch (ireq->i_type) { 812 case IEEE80211_IOC_SSID: 813 switch (vap->iv_state) { 814 case IEEE80211_S_INIT: 815 case IEEE80211_S_SCAN: 816 ireq->i_len = vap->iv_des_ssid[0].len; 817 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 818 break; 819 default: 820 ireq->i_len = vap->iv_bss->ni_esslen; 821 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 822 break; 823 } 824 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 825 break; 826 case IEEE80211_IOC_NUMSSIDS: 827 ireq->i_val = 1; 828 break; 829 case IEEE80211_IOC_WEP: 830 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 831 ireq->i_val = IEEE80211_WEP_OFF; 832 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 833 ireq->i_val = IEEE80211_WEP_ON; 834 else 835 ireq->i_val = IEEE80211_WEP_MIXED; 836 break; 837 case IEEE80211_IOC_WEPKEY: 838 kid = (u_int) ireq->i_val; 839 if (kid >= IEEE80211_WEP_NKID) 840 return EINVAL; 841 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 842 /* NB: only root can read WEP keys */ 843 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 844 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 845 } else { 846 bzero(tmpkey, len); 847 } 848 ireq->i_len = len; 849 error = copyout(tmpkey, ireq->i_data, len); 850 break; 851 case IEEE80211_IOC_NUMWEPKEYS: 852 ireq->i_val = IEEE80211_WEP_NKID; 853 break; 854 case IEEE80211_IOC_WEPTXKEY: 855 ireq->i_val = vap->iv_def_txkey; 856 break; 857 case IEEE80211_IOC_AUTHMODE: 858 if (vap->iv_flags & IEEE80211_F_WPA) 859 ireq->i_val = IEEE80211_AUTH_WPA; 860 else 861 ireq->i_val = vap->iv_bss->ni_authmode; 862 break; 863 case IEEE80211_IOC_CHANNEL: 864 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 865 break; 866 case IEEE80211_IOC_POWERSAVE: 867 if (vap->iv_flags & IEEE80211_F_PMGTON) 868 ireq->i_val = IEEE80211_POWERSAVE_ON; 869 else 870 ireq->i_val = IEEE80211_POWERSAVE_OFF; 871 break; 872 case IEEE80211_IOC_POWERSAVESLEEP: 873 ireq->i_val = ic->ic_lintval; 874 break; 875 case IEEE80211_IOC_RTSTHRESHOLD: 876 ireq->i_val = vap->iv_rtsthreshold; 877 break; 878 case IEEE80211_IOC_PROTMODE: 879 ireq->i_val = ic->ic_protmode; 880 break; 881 case IEEE80211_IOC_TXPOWER: 882 /* 883 * Tx power limit is the min of max regulatory 884 * power, any user-set limit, and the max the 885 * radio can do. 886 * 887 * TODO: methodize this 888 */ 889 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 890 if (ireq->i_val > ic->ic_txpowlimit) 891 ireq->i_val = ic->ic_txpowlimit; 892 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 893 ireq->i_val = ic->ic_curchan->ic_maxpower; 894 break; 895 case IEEE80211_IOC_WPA: 896 switch (vap->iv_flags & IEEE80211_F_WPA) { 897 case IEEE80211_F_WPA1: 898 ireq->i_val = 1; 899 break; 900 case IEEE80211_F_WPA2: 901 ireq->i_val = 2; 902 break; 903 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 904 ireq->i_val = 3; 905 break; 906 default: 907 ireq->i_val = 0; 908 break; 909 } 910 break; 911 case IEEE80211_IOC_CHANLIST: 912 error = ieee80211_ioctl_getchanlist(vap, ireq); 913 break; 914 case IEEE80211_IOC_ROAMING: 915 ireq->i_val = vap->iv_roaming; 916 break; 917 case IEEE80211_IOC_PRIVACY: 918 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 919 break; 920 case IEEE80211_IOC_DROPUNENCRYPTED: 921 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 922 break; 923 case IEEE80211_IOC_COUNTERMEASURES: 924 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 925 break; 926 case IEEE80211_IOC_WME: 927 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 928 break; 929 case IEEE80211_IOC_HIDESSID: 930 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 931 break; 932 case IEEE80211_IOC_APBRIDGE: 933 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 934 break; 935 case IEEE80211_IOC_WPAKEY: 936 error = ieee80211_ioctl_getkey(vap, ireq); 937 break; 938 case IEEE80211_IOC_CHANINFO: 939 error = ieee80211_ioctl_getchaninfo(vap, ireq); 940 break; 941 case IEEE80211_IOC_BSSID: 942 if (ireq->i_len != IEEE80211_ADDR_LEN) 943 return EINVAL; 944 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 945 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 946 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 947 ireq->i_data, ireq->i_len); 948 } else 949 error = copyout(vap->iv_des_bssid, ireq->i_data, 950 ireq->i_len); 951 break; 952 case IEEE80211_IOC_WPAIE: 953 case IEEE80211_IOC_WPAIE2: 954 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 955 break; 956 case IEEE80211_IOC_SCAN_RESULTS: 957 error = ieee80211_ioctl_getscanresults(vap, ireq); 958 break; 959 case IEEE80211_IOC_STA_STATS: 960 error = ieee80211_ioctl_getstastats(vap, ireq); 961 break; 962 case IEEE80211_IOC_TXPOWMAX: 963 ireq->i_val = vap->iv_bss->ni_txpower; 964 break; 965 case IEEE80211_IOC_STA_TXPOW: 966 error = ieee80211_ioctl_getstatxpow(vap, ireq); 967 break; 968 case IEEE80211_IOC_STA_INFO: 969 error = ieee80211_ioctl_getstainfo(vap, ireq); 970 break; 971 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 972 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 973 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 974 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 975 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 976 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 977 error = ieee80211_ioctl_getwmeparam(vap, ireq); 978 break; 979 case IEEE80211_IOC_DTIM_PERIOD: 980 ireq->i_val = vap->iv_dtim_period; 981 break; 982 case IEEE80211_IOC_BEACON_INTERVAL: 983 /* NB: get from ic_bss for station mode */ 984 ireq->i_val = vap->iv_bss->ni_intval; 985 break; 986 case IEEE80211_IOC_PUREG: 987 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 988 break; 989 case IEEE80211_IOC_QUIET: 990 ireq->i_val = vap->iv_quiet; 991 break; 992 case IEEE80211_IOC_QUIET_COUNT: 993 ireq->i_val = vap->iv_quiet_count; 994 break; 995 case IEEE80211_IOC_QUIET_PERIOD: 996 ireq->i_val = vap->iv_quiet_period; 997 break; 998 case IEEE80211_IOC_QUIET_DUR: 999 ireq->i_val = vap->iv_quiet_duration; 1000 break; 1001 case IEEE80211_IOC_QUIET_OFFSET: 1002 ireq->i_val = vap->iv_quiet_offset; 1003 break; 1004 case IEEE80211_IOC_BGSCAN: 1005 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 1006 break; 1007 case IEEE80211_IOC_BGSCAN_IDLE: 1008 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 1009 break; 1010 case IEEE80211_IOC_BGSCAN_INTERVAL: 1011 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 1012 break; 1013 case IEEE80211_IOC_SCANVALID: 1014 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 1015 break; 1016 case IEEE80211_IOC_FRAGTHRESHOLD: 1017 ireq->i_val = vap->iv_fragthreshold; 1018 break; 1019 case IEEE80211_IOC_MACCMD: 1020 error = ieee80211_ioctl_getmaccmd(vap, ireq); 1021 break; 1022 case IEEE80211_IOC_BURST: 1023 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 1024 break; 1025 case IEEE80211_IOC_BMISSTHRESHOLD: 1026 ireq->i_val = vap->iv_bmissthreshold; 1027 break; 1028 case IEEE80211_IOC_CURCHAN: 1029 error = ieee80211_ioctl_getcurchan(vap, ireq); 1030 break; 1031 case IEEE80211_IOC_SHORTGI: 1032 ireq->i_val = 0; 1033 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1034 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1035 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1036 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1037 break; 1038 case IEEE80211_IOC_AMPDU: 1039 ireq->i_val = 0; 1040 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1041 ireq->i_val |= 1; 1042 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1043 ireq->i_val |= 2; 1044 break; 1045 case IEEE80211_IOC_AMPDU_LIMIT: 1046 /* XXX TODO: make this a per-node thing; and leave this as global */ 1047 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1048 ireq->i_val = vap->iv_ampdu_rxmax; 1049 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1050 /* 1051 * XXX TODO: this isn't completely correct, as we've 1052 * negotiated the higher of the two. 1053 */ 1054 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1055 IEEE80211_HTCAP_MAXRXAMPDU); 1056 else 1057 ireq->i_val = vap->iv_ampdu_limit; 1058 break; 1059 case IEEE80211_IOC_AMPDU_DENSITY: 1060 /* XXX TODO: make this a per-node thing; and leave this as global */ 1061 if (vap->iv_opmode == IEEE80211_M_STA && 1062 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1063 /* 1064 * XXX TODO: this isn't completely correct, as we've 1065 * negotiated the higher of the two. 1066 */ 1067 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1068 IEEE80211_HTCAP_MPDUDENSITY); 1069 else 1070 ireq->i_val = vap->iv_ampdu_density; 1071 break; 1072 case IEEE80211_IOC_AMSDU: 1073 ireq->i_val = 0; 1074 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1075 ireq->i_val |= 1; 1076 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1077 ireq->i_val |= 2; 1078 break; 1079 case IEEE80211_IOC_AMSDU_LIMIT: 1080 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1081 break; 1082 case IEEE80211_IOC_PUREN: 1083 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1084 break; 1085 case IEEE80211_IOC_DOTH: 1086 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1087 break; 1088 case IEEE80211_IOC_REGDOMAIN: 1089 error = ieee80211_ioctl_getregdomain(vap, ireq); 1090 break; 1091 case IEEE80211_IOC_ROAM: 1092 error = ieee80211_ioctl_getroam(vap, ireq); 1093 break; 1094 case IEEE80211_IOC_TXPARAMS: 1095 error = ieee80211_ioctl_gettxparams(vap, ireq); 1096 break; 1097 case IEEE80211_IOC_HTCOMPAT: 1098 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1099 break; 1100 case IEEE80211_IOC_DWDS: 1101 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1102 break; 1103 case IEEE80211_IOC_INACTIVITY: 1104 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1105 break; 1106 case IEEE80211_IOC_APPIE: 1107 error = ieee80211_ioctl_getappie(vap, ireq); 1108 break; 1109 case IEEE80211_IOC_WPS: 1110 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1111 break; 1112 case IEEE80211_IOC_TSN: 1113 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1114 break; 1115 case IEEE80211_IOC_DFS: 1116 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1117 break; 1118 case IEEE80211_IOC_DOTD: 1119 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1120 break; 1121 case IEEE80211_IOC_DEVCAPS: 1122 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1123 break; 1124 case IEEE80211_IOC_HTPROTMODE: 1125 ireq->i_val = ic->ic_htprotmode; 1126 break; 1127 case IEEE80211_IOC_HTCONF: 1128 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1129 ireq->i_val = 1; 1130 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1131 ireq->i_val |= 2; 1132 } else 1133 ireq->i_val = 0; 1134 break; 1135 case IEEE80211_IOC_STA_VLAN: 1136 error = ieee80211_ioctl_getstavlan(vap, ireq); 1137 break; 1138 case IEEE80211_IOC_SMPS: 1139 if (vap->iv_opmode == IEEE80211_M_STA && 1140 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1141 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1142 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1143 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1144 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1145 else 1146 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1147 } else 1148 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1149 break; 1150 case IEEE80211_IOC_RIFS: 1151 if (vap->iv_opmode == IEEE80211_M_STA && 1152 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1153 ireq->i_val = 1154 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1155 else 1156 ireq->i_val = 1157 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1158 break; 1159 case IEEE80211_IOC_STBC: 1160 ireq->i_val = 0; 1161 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX) 1162 ireq->i_val |= 1; 1163 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) 1164 ireq->i_val |= 2; 1165 break; 1166 case IEEE80211_IOC_LDPC: 1167 ireq->i_val = 0; 1168 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_TX) 1169 ireq->i_val |= 1; 1170 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_RX) 1171 ireq->i_val |= 2; 1172 break; 1173 1174 /* VHT */ 1175 case IEEE80211_IOC_VHTCONF: 1176 ireq->i_val = 0; 1177 if (vap->iv_flags_vht & IEEE80211_FVHT_VHT) 1178 ireq->i_val |= 1; 1179 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT40) 1180 ireq->i_val |= 2; 1181 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80) 1182 ireq->i_val |= 4; 1183 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80P80) 1184 ireq->i_val |= 8; 1185 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT160) 1186 ireq->i_val |= 16; 1187 break; 1188 1189 default: 1190 error = ieee80211_ioctl_getdefault(vap, ireq); 1191 break; 1192 } 1193 return error; 1194 #undef MS 1195 } 1196 1197 static int 1198 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1199 { 1200 struct ieee80211req_key ik; 1201 struct ieee80211_node *ni; 1202 struct ieee80211_key *wk; 1203 uint16_t kid; 1204 int error, i; 1205 1206 if (ireq->i_len != sizeof(ik)) 1207 return EINVAL; 1208 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1209 if (error) 1210 return error; 1211 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1212 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1213 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1214 return E2BIG; 1215 kid = ik.ik_keyix; 1216 if (kid == IEEE80211_KEYIX_NONE) { 1217 /* XXX unicast keys currently must be tx/rx */ 1218 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1219 return EINVAL; 1220 if (vap->iv_opmode == IEEE80211_M_STA) { 1221 ni = ieee80211_ref_node(vap->iv_bss); 1222 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1223 ieee80211_free_node(ni); 1224 return EADDRNOTAVAIL; 1225 } 1226 } else { 1227 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1228 ik.ik_macaddr); 1229 if (ni == NULL) 1230 return ENOENT; 1231 } 1232 wk = &ni->ni_ucastkey; 1233 } else { 1234 if (kid >= IEEE80211_WEP_NKID) 1235 return EINVAL; 1236 wk = &vap->iv_nw_keys[kid]; 1237 /* 1238 * Global slots start off w/o any assigned key index. 1239 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1240 */ 1241 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1242 wk->wk_keyix = kid; 1243 ni = NULL; 1244 } 1245 error = 0; 1246 ieee80211_key_update_begin(vap); 1247 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1248 wk->wk_keylen = ik.ik_keylen; 1249 /* NB: MIC presence is implied by cipher type */ 1250 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1251 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1252 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1253 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1254 wk->wk_keytsc = 0; /* new key, reset */ 1255 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1256 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1257 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1258 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1259 if (!ieee80211_crypto_setkey(vap, wk)) 1260 error = EIO; 1261 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1262 /* 1263 * Inform the driver that this is the default 1264 * transmit key. Now, ideally we'd just set 1265 * a flag in the key update that would 1266 * say "yes, we're the default key", but 1267 * that currently isn't the way the ioctl -> 1268 * key interface works. 1269 */ 1270 ieee80211_crypto_set_deftxkey(vap, kid); 1271 } else 1272 error = ENXIO; 1273 ieee80211_key_update_end(vap); 1274 if (ni != NULL) 1275 ieee80211_free_node(ni); 1276 return error; 1277 } 1278 1279 static int 1280 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1281 { 1282 struct ieee80211req_del_key dk; 1283 int kid, error; 1284 1285 if (ireq->i_len != sizeof(dk)) 1286 return EINVAL; 1287 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1288 if (error) 1289 return error; 1290 kid = dk.idk_keyix; 1291 /* XXX uint8_t -> uint16_t */ 1292 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1293 struct ieee80211_node *ni; 1294 1295 if (vap->iv_opmode == IEEE80211_M_STA) { 1296 ni = ieee80211_ref_node(vap->iv_bss); 1297 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1298 ieee80211_free_node(ni); 1299 return EADDRNOTAVAIL; 1300 } 1301 } else { 1302 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1303 dk.idk_macaddr); 1304 if (ni == NULL) 1305 return ENOENT; 1306 } 1307 /* XXX error return */ 1308 ieee80211_node_delucastkey(ni); 1309 ieee80211_free_node(ni); 1310 } else { 1311 if (kid >= IEEE80211_WEP_NKID) 1312 return EINVAL; 1313 /* XXX error return */ 1314 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1315 } 1316 return 0; 1317 } 1318 1319 struct mlmeop { 1320 struct ieee80211vap *vap; 1321 int op; 1322 int reason; 1323 }; 1324 1325 static void 1326 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1327 int op, int reason) 1328 { 1329 #ifdef IEEE80211_DEBUG 1330 static const struct { 1331 int mask; 1332 const char *opstr; 1333 } ops[] = { 1334 { 0, "op#0" }, 1335 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1336 IEEE80211_MSG_ASSOC, "assoc" }, 1337 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1338 IEEE80211_MSG_ASSOC, "disassoc" }, 1339 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1340 IEEE80211_MSG_AUTH, "deauth" }, 1341 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1342 IEEE80211_MSG_AUTH, "authorize" }, 1343 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1344 IEEE80211_MSG_AUTH, "unauthorize" }, 1345 }; 1346 1347 if (op == IEEE80211_MLME_AUTH) { 1348 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1349 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1350 "station authenticate %s via MLME (reason: %d (%s))", 1351 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1352 reason, ieee80211_reason_to_string(reason)); 1353 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1354 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1355 "unknown MLME request %d (reason: %d (%s))", op, reason, 1356 ieee80211_reason_to_string(reason)); 1357 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1358 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1359 "station %s via MLME", ops[op].opstr); 1360 } else { 1361 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1362 "station %s via MLME (reason: %d (%s))", ops[op].opstr, 1363 reason, ieee80211_reason_to_string(reason)); 1364 } 1365 #endif /* IEEE80211_DEBUG */ 1366 } 1367 1368 static void 1369 domlme(void *arg, struct ieee80211_node *ni) 1370 { 1371 struct mlmeop *mop = arg; 1372 struct ieee80211vap *vap = ni->ni_vap; 1373 1374 if (vap != mop->vap) 1375 return; 1376 /* 1377 * NB: if ni_associd is zero then the node is already cleaned 1378 * up and we don't need to do this (we're safely holding a 1379 * reference but should otherwise not modify it's state). 1380 */ 1381 if (ni->ni_associd == 0) 1382 return; 1383 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1384 if (mop->op == IEEE80211_MLME_DEAUTH) { 1385 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1386 mop->reason); 1387 } else { 1388 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1389 mop->reason); 1390 } 1391 ieee80211_node_leave(ni); 1392 } 1393 1394 static int 1395 setmlme_dropsta(struct ieee80211vap *vap, 1396 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1397 { 1398 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1399 struct ieee80211_node *ni; 1400 int error = 0; 1401 1402 /* NB: the broadcast address means do 'em all */ 1403 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1404 IEEE80211_NODE_LOCK(nt); 1405 ni = ieee80211_find_node_locked(nt, mac); 1406 IEEE80211_NODE_UNLOCK(nt); 1407 /* 1408 * Don't do the node update inside the node 1409 * table lock. This unfortunately causes LORs 1410 * with drivers and their TX paths. 1411 */ 1412 if (ni != NULL) { 1413 domlme(mlmeop, ni); 1414 ieee80211_free_node(ni); 1415 } else 1416 error = ENOENT; 1417 } else { 1418 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1419 } 1420 return error; 1421 } 1422 1423 static int 1424 setmlme_common(struct ieee80211vap *vap, int op, 1425 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1426 { 1427 struct ieee80211com *ic = vap->iv_ic; 1428 struct ieee80211_node_table *nt = &ic->ic_sta; 1429 struct ieee80211_node *ni; 1430 struct mlmeop mlmeop; 1431 int error; 1432 1433 error = 0; 1434 switch (op) { 1435 case IEEE80211_MLME_DISASSOC: 1436 case IEEE80211_MLME_DEAUTH: 1437 switch (vap->iv_opmode) { 1438 case IEEE80211_M_STA: 1439 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1440 /* XXX not quite right */ 1441 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1442 break; 1443 case IEEE80211_M_HOSTAP: 1444 mlmeop.vap = vap; 1445 mlmeop.op = op; 1446 mlmeop.reason = reason; 1447 error = setmlme_dropsta(vap, mac, &mlmeop); 1448 break; 1449 case IEEE80211_M_WDS: 1450 /* XXX user app should send raw frame? */ 1451 if (op != IEEE80211_MLME_DEAUTH) { 1452 error = EINVAL; 1453 break; 1454 } 1455 #if 0 1456 /* XXX accept any address, simplifies user code */ 1457 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1458 error = EINVAL; 1459 break; 1460 } 1461 #endif 1462 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1463 ni = ieee80211_ref_node(vap->iv_bss); 1464 IEEE80211_SEND_MGMT(ni, 1465 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1466 ieee80211_free_node(ni); 1467 break; 1468 case IEEE80211_M_MBSS: 1469 IEEE80211_NODE_LOCK(nt); 1470 ni = ieee80211_find_node_locked(nt, mac); 1471 /* 1472 * Don't do the node update inside the node 1473 * table lock. This unfortunately causes LORs 1474 * with drivers and their TX paths. 1475 */ 1476 IEEE80211_NODE_UNLOCK(nt); 1477 if (ni != NULL) { 1478 ieee80211_node_leave(ni); 1479 ieee80211_free_node(ni); 1480 } else { 1481 error = ENOENT; 1482 } 1483 break; 1484 default: 1485 error = EINVAL; 1486 break; 1487 } 1488 break; 1489 case IEEE80211_MLME_AUTHORIZE: 1490 case IEEE80211_MLME_UNAUTHORIZE: 1491 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1492 vap->iv_opmode != IEEE80211_M_WDS) { 1493 error = EINVAL; 1494 break; 1495 } 1496 IEEE80211_NODE_LOCK(nt); 1497 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1498 /* 1499 * Don't do the node update inside the node 1500 * table lock. This unfortunately causes LORs 1501 * with drivers and their TX paths. 1502 */ 1503 IEEE80211_NODE_UNLOCK(nt); 1504 if (ni != NULL) { 1505 mlmedebug(vap, mac, op, reason); 1506 if (op == IEEE80211_MLME_AUTHORIZE) 1507 ieee80211_node_authorize(ni); 1508 else 1509 ieee80211_node_unauthorize(ni); 1510 ieee80211_free_node(ni); 1511 } else 1512 error = ENOENT; 1513 break; 1514 case IEEE80211_MLME_AUTH: 1515 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1516 error = EINVAL; 1517 break; 1518 } 1519 IEEE80211_NODE_LOCK(nt); 1520 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1521 /* 1522 * Don't do the node update inside the node 1523 * table lock. This unfortunately causes LORs 1524 * with drivers and their TX paths. 1525 */ 1526 IEEE80211_NODE_UNLOCK(nt); 1527 if (ni != NULL) { 1528 mlmedebug(vap, mac, op, reason); 1529 if (reason == IEEE80211_STATUS_SUCCESS) { 1530 IEEE80211_SEND_MGMT(ni, 1531 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1532 /* 1533 * For shared key auth, just continue the 1534 * exchange. Otherwise when 802.1x is not in 1535 * use mark the port authorized at this point 1536 * so traffic can flow. 1537 */ 1538 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1539 ni->ni_challenge == NULL) 1540 ieee80211_node_authorize(ni); 1541 } else { 1542 vap->iv_stats.is_rx_acl++; 1543 ieee80211_send_error(ni, ni->ni_macaddr, 1544 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1545 ieee80211_node_leave(ni); 1546 } 1547 ieee80211_free_node(ni); 1548 } else 1549 error = ENOENT; 1550 break; 1551 default: 1552 error = EINVAL; 1553 break; 1554 } 1555 return error; 1556 } 1557 1558 struct scanlookup { 1559 const uint8_t *mac; 1560 int esslen; 1561 const uint8_t *essid; 1562 const struct ieee80211_scan_entry *se; 1563 }; 1564 1565 /* 1566 * Match mac address and any ssid. 1567 */ 1568 static void 1569 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1570 { 1571 struct scanlookup *look = arg; 1572 1573 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1574 return; 1575 if (look->esslen != 0) { 1576 if (se->se_ssid[1] != look->esslen) 1577 return; 1578 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1579 return; 1580 } 1581 look->se = se; 1582 } 1583 1584 static int 1585 setmlme_assoc_sta(struct ieee80211vap *vap, 1586 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1587 const uint8_t ssid[IEEE80211_NWID_LEN]) 1588 { 1589 struct scanlookup lookup; 1590 1591 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1592 ("expected opmode STA not %s", 1593 ieee80211_opmode_name[vap->iv_opmode])); 1594 1595 /* NB: this is racey if roaming is !manual */ 1596 lookup.se = NULL; 1597 lookup.mac = mac; 1598 lookup.esslen = ssid_len; 1599 lookup.essid = ssid; 1600 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1601 if (lookup.se == NULL) 1602 return ENOENT; 1603 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1604 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1605 return EIO; /* XXX unique but could be better */ 1606 return 0; 1607 } 1608 1609 static int 1610 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1611 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1612 const uint8_t ssid[IEEE80211_NWID_LEN]) 1613 { 1614 struct ieee80211_scan_req *sr; 1615 int error; 1616 1617 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1618 vap->iv_opmode == IEEE80211_M_AHDEMO, 1619 ("expected opmode IBSS or AHDEMO not %s", 1620 ieee80211_opmode_name[vap->iv_opmode])); 1621 1622 if (ssid_len == 0) 1623 return EINVAL; 1624 1625 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1626 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1627 if (sr == NULL) 1628 return ENOMEM; 1629 1630 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1631 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1632 vap->iv_des_ssid[0].len = ssid_len; 1633 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1634 vap->iv_des_nssid = 1; 1635 1636 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1637 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1638 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1639 sr->sr_ssid[0].len = ssid_len; 1640 sr->sr_nssid = 1; 1641 1642 error = ieee80211_scanreq(vap, sr); 1643 1644 IEEE80211_FREE(sr, M_TEMP); 1645 return error; 1646 } 1647 1648 static int 1649 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1650 { 1651 struct ieee80211req_mlme mlme; 1652 int error; 1653 1654 if (ireq->i_len != sizeof(mlme)) 1655 return EINVAL; 1656 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1657 if (error) 1658 return error; 1659 if (vap->iv_opmode == IEEE80211_M_STA && 1660 mlme.im_op == IEEE80211_MLME_ASSOC) 1661 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1662 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1663 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1664 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1665 mlme.im_op == IEEE80211_MLME_ASSOC) 1666 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1667 mlme.im_ssid_len, mlme.im_ssid); 1668 else 1669 return setmlme_common(vap, mlme.im_op, 1670 mlme.im_macaddr, mlme.im_reason); 1671 } 1672 1673 static int 1674 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1675 { 1676 uint8_t mac[IEEE80211_ADDR_LEN]; 1677 const struct ieee80211_aclator *acl = vap->iv_acl; 1678 int error; 1679 1680 if (ireq->i_len != sizeof(mac)) 1681 return EINVAL; 1682 error = copyin(ireq->i_data, mac, ireq->i_len); 1683 if (error) 1684 return error; 1685 if (acl == NULL) { 1686 acl = ieee80211_aclator_get("mac"); 1687 if (acl == NULL || !acl->iac_attach(vap)) 1688 return EINVAL; 1689 vap->iv_acl = acl; 1690 } 1691 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1692 acl->iac_add(vap, mac); 1693 else 1694 acl->iac_remove(vap, mac); 1695 return 0; 1696 } 1697 1698 static int 1699 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1700 { 1701 const struct ieee80211_aclator *acl = vap->iv_acl; 1702 1703 switch (ireq->i_val) { 1704 case IEEE80211_MACCMD_POLICY_OPEN: 1705 case IEEE80211_MACCMD_POLICY_ALLOW: 1706 case IEEE80211_MACCMD_POLICY_DENY: 1707 case IEEE80211_MACCMD_POLICY_RADIUS: 1708 if (acl == NULL) { 1709 acl = ieee80211_aclator_get("mac"); 1710 if (acl == NULL || !acl->iac_attach(vap)) 1711 return EINVAL; 1712 vap->iv_acl = acl; 1713 } 1714 acl->iac_setpolicy(vap, ireq->i_val); 1715 break; 1716 case IEEE80211_MACCMD_FLUSH: 1717 if (acl != NULL) 1718 acl->iac_flush(vap); 1719 /* NB: silently ignore when not in use */ 1720 break; 1721 case IEEE80211_MACCMD_DETACH: 1722 if (acl != NULL) { 1723 vap->iv_acl = NULL; 1724 acl->iac_detach(vap); 1725 } 1726 break; 1727 default: 1728 if (acl == NULL) 1729 return EINVAL; 1730 else 1731 return acl->iac_setioctl(vap, ireq); 1732 } 1733 return 0; 1734 } 1735 1736 static int 1737 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1738 { 1739 struct ieee80211com *ic = vap->iv_ic; 1740 uint8_t *chanlist, *list; 1741 int i, nchan, maxchan, error; 1742 1743 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1744 ireq->i_len = sizeof(ic->ic_chan_active); 1745 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1746 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1747 if (list == NULL) 1748 return ENOMEM; 1749 error = copyin(ireq->i_data, list, ireq->i_len); 1750 if (error) { 1751 IEEE80211_FREE(list, M_TEMP); 1752 return error; 1753 } 1754 nchan = 0; 1755 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1756 maxchan = ireq->i_len * NBBY; 1757 for (i = 0; i < ic->ic_nchans; i++) { 1758 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1759 /* 1760 * Calculate the intersection of the user list and the 1761 * available channels so users can do things like specify 1762 * 1-255 to get all available channels. 1763 */ 1764 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1765 setbit(chanlist, c->ic_ieee); 1766 nchan++; 1767 } 1768 } 1769 if (nchan == 0) { 1770 IEEE80211_FREE(list, M_TEMP); 1771 return EINVAL; 1772 } 1773 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1774 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1775 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1776 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1777 ieee80211_scan_flush(vap); 1778 IEEE80211_FREE(list, M_TEMP); 1779 return ENETRESET; 1780 } 1781 1782 static int 1783 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1784 { 1785 struct ieee80211_node *ni; 1786 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1787 int error; 1788 1789 /* 1790 * NB: we could copyin ieee80211req_sta_stats so apps 1791 * could make selective changes but that's overkill; 1792 * just clear all stats for now. 1793 */ 1794 if (ireq->i_len < IEEE80211_ADDR_LEN) 1795 return EINVAL; 1796 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1797 if (error != 0) 1798 return error; 1799 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1800 if (ni == NULL) 1801 return ENOENT; 1802 /* XXX require ni_vap == vap? */ 1803 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1804 ieee80211_free_node(ni); 1805 return 0; 1806 } 1807 1808 static int 1809 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1810 { 1811 struct ieee80211_node *ni; 1812 struct ieee80211req_sta_txpow txpow; 1813 int error; 1814 1815 if (ireq->i_len != sizeof(txpow)) 1816 return EINVAL; 1817 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1818 if (error != 0) 1819 return error; 1820 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1821 if (ni == NULL) 1822 return ENOENT; 1823 ni->ni_txpower = txpow.it_txpow; 1824 ieee80211_free_node(ni); 1825 return error; 1826 } 1827 1828 static int 1829 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1830 { 1831 struct ieee80211com *ic = vap->iv_ic; 1832 struct ieee80211_wme_state *wme = &ic->ic_wme; 1833 struct wmeParams *wmep, *chanp; 1834 int isbss, ac, aggrmode; 1835 1836 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1837 return EOPNOTSUPP; 1838 1839 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1840 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1841 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1842 if (ac >= WME_NUM_AC) 1843 ac = WME_AC_BE; 1844 if (isbss) { 1845 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1846 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1847 } else { 1848 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1849 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1850 } 1851 switch (ireq->i_type) { 1852 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1853 wmep->wmep_logcwmin = ireq->i_val; 1854 if (!isbss || !aggrmode) 1855 chanp->wmep_logcwmin = ireq->i_val; 1856 break; 1857 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1858 wmep->wmep_logcwmax = ireq->i_val; 1859 if (!isbss || !aggrmode) 1860 chanp->wmep_logcwmax = ireq->i_val; 1861 break; 1862 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1863 wmep->wmep_aifsn = ireq->i_val; 1864 if (!isbss || !aggrmode) 1865 chanp->wmep_aifsn = ireq->i_val; 1866 break; 1867 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1868 wmep->wmep_txopLimit = ireq->i_val; 1869 if (!isbss || !aggrmode) 1870 chanp->wmep_txopLimit = ireq->i_val; 1871 break; 1872 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1873 wmep->wmep_acm = ireq->i_val; 1874 if (!aggrmode) 1875 chanp->wmep_acm = ireq->i_val; 1876 break; 1877 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1878 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1879 (ireq->i_val) == 0; 1880 break; 1881 } 1882 ieee80211_wme_updateparams(vap); 1883 return 0; 1884 } 1885 1886 static int 1887 find11gchannel(struct ieee80211com *ic, int start, int freq) 1888 { 1889 const struct ieee80211_channel *c; 1890 int i; 1891 1892 for (i = start+1; i < ic->ic_nchans; i++) { 1893 c = &ic->ic_channels[i]; 1894 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1895 return 1; 1896 } 1897 /* NB: should not be needed but in case things are mis-sorted */ 1898 for (i = 0; i < start; i++) { 1899 c = &ic->ic_channels[i]; 1900 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1901 return 1; 1902 } 1903 return 0; 1904 } 1905 1906 static struct ieee80211_channel * 1907 findchannel(struct ieee80211com *ic, int ieee, int mode) 1908 { 1909 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1910 [IEEE80211_MODE_AUTO] = 0, 1911 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1912 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1913 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1914 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1915 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1916 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1917 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1918 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1919 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1920 /* NB: handled specially below */ 1921 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1922 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1923 [IEEE80211_MODE_VHT_5GHZ] = IEEE80211_CHAN_A, 1924 [IEEE80211_MODE_VHT_2GHZ] = IEEE80211_CHAN_G, 1925 }; 1926 u_int modeflags; 1927 int i; 1928 1929 modeflags = chanflags[mode]; 1930 for (i = 0; i < ic->ic_nchans; i++) { 1931 struct ieee80211_channel *c = &ic->ic_channels[i]; 1932 1933 if (c->ic_ieee != ieee) 1934 continue; 1935 if (mode == IEEE80211_MODE_AUTO) { 1936 /* ignore turbo channels for autoselect */ 1937 if (IEEE80211_IS_CHAN_TURBO(c)) 1938 continue; 1939 /* 1940 * XXX special-case 11b/g channels so we 1941 * always select the g channel if both 1942 * are present. 1943 * XXX prefer HT to non-HT? 1944 */ 1945 if (!IEEE80211_IS_CHAN_B(c) || 1946 !find11gchannel(ic, i, c->ic_freq)) 1947 return c; 1948 } else { 1949 /* must check VHT specifically */ 1950 if ((mode == IEEE80211_MODE_VHT_5GHZ || 1951 mode == IEEE80211_MODE_VHT_2GHZ) && 1952 !IEEE80211_IS_CHAN_VHT(c)) 1953 continue; 1954 1955 /* 1956 * Must check HT specially - only match on HT, 1957 * not HT+VHT channels 1958 */ 1959 if ((mode == IEEE80211_MODE_11NA || 1960 mode == IEEE80211_MODE_11NG) && 1961 !IEEE80211_IS_CHAN_HT(c)) 1962 continue; 1963 1964 if ((mode == IEEE80211_MODE_11NA || 1965 mode == IEEE80211_MODE_11NG) && 1966 IEEE80211_IS_CHAN_VHT(c)) 1967 continue; 1968 1969 /* Check that the modeflags above match */ 1970 if ((c->ic_flags & modeflags) == modeflags) 1971 return c; 1972 } 1973 } 1974 return NULL; 1975 } 1976 1977 /* 1978 * Check the specified against any desired mode (aka netband). 1979 * This is only used (presently) when operating in hostap mode 1980 * to enforce consistency. 1981 */ 1982 static int 1983 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1984 { 1985 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1986 1987 switch (mode) { 1988 case IEEE80211_MODE_11B: 1989 return (IEEE80211_IS_CHAN_B(c)); 1990 case IEEE80211_MODE_11G: 1991 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1992 case IEEE80211_MODE_11A: 1993 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1994 case IEEE80211_MODE_STURBO_A: 1995 return (IEEE80211_IS_CHAN_STURBO(c)); 1996 case IEEE80211_MODE_11NA: 1997 return (IEEE80211_IS_CHAN_HTA(c)); 1998 case IEEE80211_MODE_11NG: 1999 return (IEEE80211_IS_CHAN_HTG(c)); 2000 } 2001 return 1; 2002 2003 } 2004 2005 /* 2006 * Common code to set the current channel. If the device 2007 * is up and running this may result in an immediate channel 2008 * change or a kick of the state machine. 2009 */ 2010 static int 2011 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 2012 { 2013 struct ieee80211com *ic = vap->iv_ic; 2014 int error; 2015 2016 if (c != IEEE80211_CHAN_ANYC) { 2017 if (IEEE80211_IS_CHAN_RADAR(c)) 2018 return EBUSY; /* XXX better code? */ 2019 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 2020 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 2021 return EINVAL; 2022 if (!check_mode_consistency(c, vap->iv_des_mode)) 2023 return EINVAL; 2024 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 2025 if (IEEE80211_IS_CHAN_NOADHOC(c)) 2026 return EINVAL; 2027 } 2028 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 2029 vap->iv_bss->ni_chan == c) 2030 return 0; /* NB: nothing to do */ 2031 } 2032 vap->iv_des_chan = c; 2033 2034 error = 0; 2035 if (vap->iv_opmode == IEEE80211_M_MONITOR && 2036 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2037 /* 2038 * Monitor mode can switch directly. 2039 */ 2040 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 2041 /* XXX need state machine for other vap's to follow */ 2042 ieee80211_setcurchan(ic, vap->iv_des_chan); 2043 vap->iv_bss->ni_chan = ic->ic_curchan; 2044 } else { 2045 ic->ic_curchan = vap->iv_des_chan; 2046 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2047 } 2048 } else { 2049 /* 2050 * Need to go through the state machine in case we 2051 * need to reassociate or the like. The state machine 2052 * will pickup the desired channel and avoid scanning. 2053 */ 2054 if (IS_UP_AUTO(vap)) 2055 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2056 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2057 /* 2058 * When not up+running and a real channel has 2059 * been specified fix the current channel so 2060 * there is immediate feedback; e.g. via ifconfig. 2061 */ 2062 ic->ic_curchan = vap->iv_des_chan; 2063 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2064 } 2065 } 2066 return error; 2067 } 2068 2069 /* 2070 * Old api for setting the current channel; this is 2071 * deprecated because channel numbers are ambiguous. 2072 */ 2073 static int 2074 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2075 const struct ieee80211req *ireq) 2076 { 2077 struct ieee80211com *ic = vap->iv_ic; 2078 struct ieee80211_channel *c; 2079 2080 /* XXX 0xffff overflows 16-bit signed */ 2081 if (ireq->i_val == 0 || 2082 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2083 c = IEEE80211_CHAN_ANYC; 2084 } else { 2085 struct ieee80211_channel *c2; 2086 2087 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2088 if (c == NULL) { 2089 c = findchannel(ic, ireq->i_val, 2090 IEEE80211_MODE_AUTO); 2091 if (c == NULL) 2092 return EINVAL; 2093 } 2094 2095 /* 2096 * Fine tune channel selection based on desired mode: 2097 * if 11b is requested, find the 11b version of any 2098 * 11g channel returned, 2099 * if static turbo, find the turbo version of any 2100 * 11a channel return, 2101 * if 11na is requested, find the ht version of any 2102 * 11a channel returned, 2103 * if 11ng is requested, find the ht version of any 2104 * 11g channel returned, 2105 * if 11ac is requested, find the 11ac version 2106 * of any 11a/11na channel returned, 2107 * (TBD) 11acg (2GHz VHT) 2108 * otherwise we should be ok with what we've got. 2109 */ 2110 switch (vap->iv_des_mode) { 2111 case IEEE80211_MODE_11B: 2112 if (IEEE80211_IS_CHAN_ANYG(c)) { 2113 c2 = findchannel(ic, ireq->i_val, 2114 IEEE80211_MODE_11B); 2115 /* NB: should not happen, =>'s 11g w/o 11b */ 2116 if (c2 != NULL) 2117 c = c2; 2118 } 2119 break; 2120 case IEEE80211_MODE_TURBO_A: 2121 if (IEEE80211_IS_CHAN_A(c)) { 2122 c2 = findchannel(ic, ireq->i_val, 2123 IEEE80211_MODE_TURBO_A); 2124 if (c2 != NULL) 2125 c = c2; 2126 } 2127 break; 2128 case IEEE80211_MODE_11NA: 2129 if (IEEE80211_IS_CHAN_A(c)) { 2130 c2 = findchannel(ic, ireq->i_val, 2131 IEEE80211_MODE_11NA); 2132 if (c2 != NULL) 2133 c = c2; 2134 } 2135 break; 2136 case IEEE80211_MODE_11NG: 2137 if (IEEE80211_IS_CHAN_ANYG(c)) { 2138 c2 = findchannel(ic, ireq->i_val, 2139 IEEE80211_MODE_11NG); 2140 if (c2 != NULL) 2141 c = c2; 2142 } 2143 break; 2144 case IEEE80211_MODE_VHT_2GHZ: 2145 printf("%s: TBD\n", __func__); 2146 break; 2147 case IEEE80211_MODE_VHT_5GHZ: 2148 if (IEEE80211_IS_CHAN_A(c)) { 2149 c2 = findchannel(ic, ireq->i_val, 2150 IEEE80211_MODE_VHT_5GHZ); 2151 if (c2 != NULL) 2152 c = c2; 2153 } 2154 break; 2155 default: /* NB: no static turboG */ 2156 break; 2157 } 2158 } 2159 return setcurchan(vap, c); 2160 } 2161 2162 /* 2163 * New/current api for setting the current channel; a complete 2164 * channel description is provide so there is no ambiguity in 2165 * identifying the channel. 2166 */ 2167 static int 2168 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2169 const struct ieee80211req *ireq) 2170 { 2171 struct ieee80211com *ic = vap->iv_ic; 2172 struct ieee80211_channel chan, *c; 2173 int error; 2174 2175 if (ireq->i_len != sizeof(chan)) 2176 return EINVAL; 2177 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2178 if (error != 0) 2179 return error; 2180 2181 /* XXX 0xffff overflows 16-bit signed */ 2182 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2183 c = IEEE80211_CHAN_ANYC; 2184 } else { 2185 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2186 if (c == NULL) 2187 return EINVAL; 2188 } 2189 return setcurchan(vap, c); 2190 } 2191 2192 static int 2193 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2194 const struct ieee80211req *ireq) 2195 { 2196 struct ieee80211_regdomain_req *reg; 2197 int nchans, error; 2198 2199 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2200 sizeof(struct ieee80211_channel)); 2201 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2202 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2203 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2204 ireq->i_len, nchans); 2205 return EINVAL; 2206 } 2207 reg = (struct ieee80211_regdomain_req *) 2208 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2209 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2210 if (reg == NULL) { 2211 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2212 "%s: no memory, nchans %d\n", __func__, nchans); 2213 return ENOMEM; 2214 } 2215 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2216 if (error == 0) { 2217 /* NB: validate inline channel count against storage size */ 2218 if (reg->chaninfo.ic_nchans != nchans) { 2219 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2220 "%s: chan cnt mismatch, %d != %d\n", __func__, 2221 reg->chaninfo.ic_nchans, nchans); 2222 error = EINVAL; 2223 } else 2224 error = ieee80211_setregdomain(vap, reg); 2225 } 2226 IEEE80211_FREE(reg, M_TEMP); 2227 2228 return (error == 0 ? ENETRESET : error); 2229 } 2230 2231 static int 2232 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2233 const struct ieee80211req *ireq) 2234 { 2235 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2236 return EINVAL; 2237 /* XXX validate params */ 2238 /* XXX? ENETRESET to push to device? */ 2239 return copyin(ireq->i_data, vap->iv_roamparms, 2240 sizeof(vap->iv_roamparms)); 2241 } 2242 2243 static int 2244 checkrate(const struct ieee80211_rateset *rs, int rate) 2245 { 2246 int i; 2247 2248 if (rate == IEEE80211_FIXED_RATE_NONE) 2249 return 1; 2250 for (i = 0; i < rs->rs_nrates; i++) 2251 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2252 return 1; 2253 return 0; 2254 } 2255 2256 static int 2257 checkmcs(const struct ieee80211_htrateset *rs, int mcs) 2258 { 2259 int rate_val = IEEE80211_RV(mcs); 2260 int i; 2261 2262 if (mcs == IEEE80211_FIXED_RATE_NONE) 2263 return 1; 2264 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2265 return 0; 2266 for (i = 0; i < rs->rs_nrates; i++) 2267 if (IEEE80211_RV(rs->rs_rates[i]) == rate_val) 2268 return 1; 2269 return 0; 2270 } 2271 2272 static int 2273 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2274 const struct ieee80211req *ireq) 2275 { 2276 struct ieee80211com *ic = vap->iv_ic; 2277 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2278 struct ieee80211_txparam *src, *dst; 2279 const struct ieee80211_htrateset *rs_ht; 2280 const struct ieee80211_rateset *rs; 2281 int error, mode, changed, is11n, nmodes; 2282 2283 /* NB: accept short requests for backwards compat */ 2284 if (ireq->i_len > sizeof(parms)) 2285 return EINVAL; 2286 error = copyin(ireq->i_data, &parms, ireq->i_len); 2287 if (error != 0) 2288 return error; 2289 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2290 changed = 0; 2291 /* validate parameters and check if anything changed */ 2292 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2293 if (isclr(ic->ic_modecaps, mode)) 2294 continue; 2295 src = &parms.params[mode]; 2296 dst = &vap->iv_txparms[mode]; 2297 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2298 rs_ht = &ic->ic_sup_htrates; 2299 is11n = (mode == IEEE80211_MODE_11NA || 2300 mode == IEEE80211_MODE_11NG); 2301 if (src->ucastrate != dst->ucastrate) { 2302 if (!checkrate(rs, src->ucastrate) && 2303 (!is11n || !checkmcs(rs_ht, src->ucastrate))) 2304 return EINVAL; 2305 changed++; 2306 } 2307 if (src->mcastrate != dst->mcastrate) { 2308 if (!checkrate(rs, src->mcastrate) && 2309 (!is11n || !checkmcs(rs_ht, src->mcastrate))) 2310 return EINVAL; 2311 changed++; 2312 } 2313 if (src->mgmtrate != dst->mgmtrate) { 2314 if (!checkrate(rs, src->mgmtrate) && 2315 (!is11n || !checkmcs(rs_ht, src->mgmtrate))) 2316 return EINVAL; 2317 changed++; 2318 } 2319 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2320 changed++; 2321 } 2322 if (changed) { 2323 /* 2324 * Copy new parameters in place and notify the 2325 * driver so it can push state to the device. 2326 */ 2327 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2328 if (isset(ic->ic_modecaps, mode)) 2329 vap->iv_txparms[mode] = parms.params[mode]; 2330 } 2331 /* XXX could be more intelligent, 2332 e.g. don't reset if setting not being used */ 2333 return ENETRESET; 2334 } 2335 return 0; 2336 } 2337 2338 /* 2339 * Application Information Element support. 2340 */ 2341 static int 2342 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2343 { 2344 struct ieee80211_appie *app = *aie; 2345 struct ieee80211_appie *napp; 2346 int error; 2347 2348 if (ireq->i_len == 0) { /* delete any existing ie */ 2349 if (app != NULL) { 2350 *aie = NULL; /* XXX racey */ 2351 IEEE80211_FREE(app, M_80211_NODE_IE); 2352 } 2353 return 0; 2354 } 2355 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2356 return EINVAL; 2357 /* 2358 * Allocate a new appie structure and copy in the user data. 2359 * When done swap in the new structure. Note that we do not 2360 * guard against users holding a ref to the old structure; 2361 * this must be handled outside this code. 2362 * 2363 * XXX bad bad bad 2364 */ 2365 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2366 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2367 IEEE80211_M_NOWAIT); 2368 if (napp == NULL) 2369 return ENOMEM; 2370 /* XXX holding ic lock */ 2371 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2372 if (error) { 2373 IEEE80211_FREE(napp, M_80211_NODE_IE); 2374 return error; 2375 } 2376 napp->ie_len = ireq->i_len; 2377 *aie = napp; 2378 if (app != NULL) 2379 IEEE80211_FREE(app, M_80211_NODE_IE); 2380 return 0; 2381 } 2382 2383 static void 2384 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2385 { 2386 /* validate data is present as best we can */ 2387 if (space == 0 || 2+ie[1] > space) 2388 return; 2389 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2390 vap->iv_wpa_ie = ie; 2391 else if (ie[0] == IEEE80211_ELEMID_RSN) 2392 vap->iv_rsn_ie = ie; 2393 } 2394 2395 static int 2396 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2397 const struct ieee80211req *ireq, int fc0) 2398 { 2399 int error; 2400 2401 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2402 2403 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2404 case IEEE80211_FC0_SUBTYPE_BEACON: 2405 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2406 vap->iv_opmode != IEEE80211_M_IBSS) { 2407 error = EINVAL; 2408 break; 2409 } 2410 error = setappie(&vap->iv_appie_beacon, ireq); 2411 if (error == 0) 2412 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2413 break; 2414 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2415 error = setappie(&vap->iv_appie_proberesp, ireq); 2416 break; 2417 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2418 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2419 error = setappie(&vap->iv_appie_assocresp, ireq); 2420 else 2421 error = EINVAL; 2422 break; 2423 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2424 error = setappie(&vap->iv_appie_probereq, ireq); 2425 break; 2426 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2427 if (vap->iv_opmode == IEEE80211_M_STA) 2428 error = setappie(&vap->iv_appie_assocreq, ireq); 2429 else 2430 error = EINVAL; 2431 break; 2432 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2433 error = setappie(&vap->iv_appie_wpa, ireq); 2434 if (error == 0) { 2435 /* 2436 * Must split single blob of data into separate 2437 * WPA and RSN ie's because they go in different 2438 * locations in the mgt frames. 2439 * XXX use IEEE80211_IOC_WPA2 so user code does split 2440 */ 2441 vap->iv_wpa_ie = NULL; 2442 vap->iv_rsn_ie = NULL; 2443 if (vap->iv_appie_wpa != NULL) { 2444 struct ieee80211_appie *appie = 2445 vap->iv_appie_wpa; 2446 uint8_t *data = appie->ie_data; 2447 2448 /* XXX ie length validate is painful, cheat */ 2449 setwparsnie(vap, data, appie->ie_len); 2450 setwparsnie(vap, data + 2 + data[1], 2451 appie->ie_len - (2 + data[1])); 2452 } 2453 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2454 vap->iv_opmode == IEEE80211_M_IBSS) { 2455 /* 2456 * Must rebuild beacon frame as the update 2457 * mechanism doesn't handle WPA/RSN ie's. 2458 * Could extend it but it doesn't normally 2459 * change; this is just to deal with hostapd 2460 * plumbing the ie after the interface is up. 2461 */ 2462 error = ENETRESET; 2463 } 2464 } 2465 break; 2466 default: 2467 error = EINVAL; 2468 break; 2469 } 2470 return error; 2471 } 2472 2473 static int 2474 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2475 const struct ieee80211req *ireq) 2476 { 2477 struct ieee80211com *ic = vap->iv_ic; 2478 int error; 2479 uint8_t fc0; 2480 2481 fc0 = ireq->i_val & 0xff; 2482 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2483 return EINVAL; 2484 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2485 IEEE80211_LOCK(ic); 2486 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2487 IEEE80211_UNLOCK(ic); 2488 return error; 2489 } 2490 2491 static int 2492 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2493 { 2494 struct ieee80211com *ic = vap->iv_ic; 2495 struct ieee80211_chanswitch_req csr; 2496 struct ieee80211_channel *c; 2497 int error; 2498 2499 if (ireq->i_len != sizeof(csr)) 2500 return EINVAL; 2501 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2502 if (error != 0) 2503 return error; 2504 /* XXX adhoc mode not supported */ 2505 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2506 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2507 return EOPNOTSUPP; 2508 c = ieee80211_find_channel(ic, 2509 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2510 if (c == NULL) 2511 return ENOENT; 2512 IEEE80211_LOCK(ic); 2513 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2514 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2515 else if (csr.csa_count == 0) 2516 ieee80211_csa_cancelswitch(ic); 2517 else 2518 error = EBUSY; 2519 IEEE80211_UNLOCK(ic); 2520 return error; 2521 } 2522 2523 static int 2524 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2525 { 2526 #define IEEE80211_IOC_SCAN_FLAGS \ 2527 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2528 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2529 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2530 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2531 IEEE80211_IOC_SCAN_CHECK) 2532 struct ieee80211com *ic = vap->iv_ic; 2533 int error, i; 2534 2535 /* convert duration */ 2536 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2537 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2538 else { 2539 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2540 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2541 return EINVAL; 2542 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2543 if (sr->sr_duration < 1) 2544 sr->sr_duration = 1; 2545 } 2546 /* convert min/max channel dwell */ 2547 if (sr->sr_mindwell != 0) { 2548 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2549 if (sr->sr_mindwell < 1) 2550 sr->sr_mindwell = 1; 2551 } 2552 if (sr->sr_maxdwell != 0) { 2553 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2554 if (sr->sr_maxdwell < 1) 2555 sr->sr_maxdwell = 1; 2556 } 2557 /* NB: silently reduce ssid count to what is supported */ 2558 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2559 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2560 for (i = 0; i < sr->sr_nssid; i++) 2561 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2562 return EINVAL; 2563 /* cleanse flags just in case, could reject if invalid flags */ 2564 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2565 /* 2566 * Add an implicit NOPICK if the vap is not marked UP. This 2567 * allows applications to scan without joining a bss (or picking 2568 * a channel and setting up a bss) and without forcing manual 2569 * roaming mode--you just need to mark the parent device UP. 2570 */ 2571 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2572 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2573 2574 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2575 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2576 __func__, sr->sr_flags, 2577 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2578 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2579 /* 2580 * If we are in INIT state then the driver has never had a chance 2581 * to setup hardware state to do a scan; we must use the state 2582 * machine to get us up to the SCAN state but once we reach SCAN 2583 * state we then want to use the supplied params. Stash the 2584 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2585 * state machines will recognize this and use the stashed params 2586 * to issue the scan request. 2587 * 2588 * Otherwise just invoke the scan machinery directly. 2589 */ 2590 IEEE80211_LOCK(ic); 2591 if (ic->ic_nrunning == 0) { 2592 IEEE80211_UNLOCK(ic); 2593 return ENXIO; 2594 } 2595 2596 if (vap->iv_state == IEEE80211_S_INIT) { 2597 /* NB: clobbers previous settings */ 2598 vap->iv_scanreq_flags = sr->sr_flags; 2599 vap->iv_scanreq_duration = sr->sr_duration; 2600 vap->iv_scanreq_nssid = sr->sr_nssid; 2601 for (i = 0; i < sr->sr_nssid; i++) { 2602 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2603 memcpy(vap->iv_scanreq_ssid[i].ssid, 2604 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2605 } 2606 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2607 IEEE80211_UNLOCK(ic); 2608 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2609 } else { 2610 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2611 IEEE80211_UNLOCK(ic); 2612 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2613 error = ieee80211_check_scan(vap, sr->sr_flags, 2614 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2615 sr->sr_nssid, 2616 /* NB: cheat, we assume structures are compatible */ 2617 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2618 } else { 2619 error = ieee80211_start_scan(vap, sr->sr_flags, 2620 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2621 sr->sr_nssid, 2622 /* NB: cheat, we assume structures are compatible */ 2623 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2624 } 2625 if (error == 0) 2626 return EINPROGRESS; 2627 } 2628 return 0; 2629 #undef IEEE80211_IOC_SCAN_FLAGS 2630 } 2631 2632 static int 2633 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2634 { 2635 struct ieee80211_scan_req *sr; 2636 int error; 2637 2638 if (ireq->i_len != sizeof(*sr)) 2639 return EINVAL; 2640 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2641 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2642 if (sr == NULL) 2643 return ENOMEM; 2644 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2645 if (error != 0) 2646 goto bad; 2647 error = ieee80211_scanreq(vap, sr); 2648 bad: 2649 IEEE80211_FREE(sr, M_TEMP); 2650 return error; 2651 } 2652 2653 static int 2654 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2655 { 2656 struct ieee80211_node *ni; 2657 struct ieee80211req_sta_vlan vlan; 2658 int error; 2659 2660 if (ireq->i_len != sizeof(vlan)) 2661 return EINVAL; 2662 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2663 if (error != 0) 2664 return error; 2665 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2666 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2667 vlan.sv_macaddr); 2668 if (ni == NULL) 2669 return ENOENT; 2670 } else 2671 ni = ieee80211_ref_node(vap->iv_bss); 2672 ni->ni_vlan = vlan.sv_vlan; 2673 ieee80211_free_node(ni); 2674 return error; 2675 } 2676 2677 static int 2678 isvap11g(const struct ieee80211vap *vap) 2679 { 2680 const struct ieee80211_node *bss = vap->iv_bss; 2681 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2682 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2683 } 2684 2685 static int 2686 isvapht(const struct ieee80211vap *vap) 2687 { 2688 const struct ieee80211_node *bss = vap->iv_bss; 2689 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2690 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2691 } 2692 2693 /* 2694 * Dummy ioctl set handler so the linker set is defined. 2695 */ 2696 static __unused int 2697 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2698 { 2699 return ENOSYS; 2700 } 2701 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2702 2703 static int 2704 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2705 { 2706 #ifdef notyet 2707 ieee80211_ioctl_setfunc * const *set; 2708 int error; 2709 2710 SET_FOREACH(set, ieee80211_ioctl_setset) { 2711 error = (*set)(vap, ireq); 2712 if (error != ENOSYS) 2713 return error; 2714 } 2715 #endif 2716 return EINVAL; 2717 } 2718 2719 static int 2720 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2721 { 2722 struct ieee80211com *ic = vap->iv_ic; 2723 int error; 2724 const struct ieee80211_authenticator *auth; 2725 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2726 char tmpssid[IEEE80211_NWID_LEN]; 2727 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2728 struct ieee80211_key *k; 2729 u_int kid; 2730 uint32_t flags; 2731 2732 error = 0; 2733 switch (ireq->i_type) { 2734 case IEEE80211_IOC_SSID: 2735 if (ireq->i_val != 0 || 2736 ireq->i_len > IEEE80211_NWID_LEN) 2737 return EINVAL; 2738 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2739 if (error) 2740 break; 2741 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2742 vap->iv_des_ssid[0].len = ireq->i_len; 2743 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2744 vap->iv_des_nssid = (ireq->i_len > 0); 2745 error = ENETRESET; 2746 break; 2747 case IEEE80211_IOC_WEP: 2748 switch (ireq->i_val) { 2749 case IEEE80211_WEP_OFF: 2750 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2751 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2752 break; 2753 case IEEE80211_WEP_ON: 2754 vap->iv_flags |= IEEE80211_F_PRIVACY; 2755 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2756 break; 2757 case IEEE80211_WEP_MIXED: 2758 vap->iv_flags |= IEEE80211_F_PRIVACY; 2759 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2760 break; 2761 } 2762 error = ENETRESET; 2763 break; 2764 case IEEE80211_IOC_WEPKEY: 2765 kid = (u_int) ireq->i_val; 2766 if (kid >= IEEE80211_WEP_NKID) 2767 return EINVAL; 2768 k = &vap->iv_nw_keys[kid]; 2769 if (ireq->i_len == 0) { 2770 /* zero-len =>'s delete any existing key */ 2771 (void) ieee80211_crypto_delkey(vap, k); 2772 break; 2773 } 2774 if (ireq->i_len > sizeof(tmpkey)) 2775 return EINVAL; 2776 memset(tmpkey, 0, sizeof(tmpkey)); 2777 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2778 if (error) 2779 break; 2780 ieee80211_key_update_begin(vap); 2781 k->wk_keyix = kid; /* NB: force fixed key id */ 2782 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2783 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2784 k->wk_keylen = ireq->i_len; 2785 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2786 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2787 if (!ieee80211_crypto_setkey(vap, k)) 2788 error = EINVAL; 2789 } else 2790 error = EINVAL; 2791 ieee80211_key_update_end(vap); 2792 break; 2793 case IEEE80211_IOC_WEPTXKEY: 2794 kid = (u_int) ireq->i_val; 2795 if (kid >= IEEE80211_WEP_NKID && 2796 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2797 return EINVAL; 2798 /* 2799 * Firmware devices may need to be told about an explicit 2800 * key index here, versus just inferring it from the 2801 * key set / change. Since we may also need to pause 2802 * things like transmit before the key is updated, 2803 * give the driver a chance to flush things by tying 2804 * into key update begin/end. 2805 */ 2806 ieee80211_key_update_begin(vap); 2807 ieee80211_crypto_set_deftxkey(vap, kid); 2808 ieee80211_key_update_end(vap); 2809 break; 2810 case IEEE80211_IOC_AUTHMODE: 2811 switch (ireq->i_val) { 2812 case IEEE80211_AUTH_WPA: 2813 case IEEE80211_AUTH_8021X: /* 802.1x */ 2814 case IEEE80211_AUTH_OPEN: /* open */ 2815 case IEEE80211_AUTH_SHARED: /* shared-key */ 2816 case IEEE80211_AUTH_AUTO: /* auto */ 2817 auth = ieee80211_authenticator_get(ireq->i_val); 2818 if (auth == NULL) 2819 return EINVAL; 2820 break; 2821 default: 2822 return EINVAL; 2823 } 2824 switch (ireq->i_val) { 2825 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2826 vap->iv_flags |= IEEE80211_F_PRIVACY; 2827 ireq->i_val = IEEE80211_AUTH_8021X; 2828 break; 2829 case IEEE80211_AUTH_OPEN: /* open */ 2830 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2831 break; 2832 case IEEE80211_AUTH_SHARED: /* shared-key */ 2833 case IEEE80211_AUTH_8021X: /* 802.1x */ 2834 vap->iv_flags &= ~IEEE80211_F_WPA; 2835 /* both require a key so mark the PRIVACY capability */ 2836 vap->iv_flags |= IEEE80211_F_PRIVACY; 2837 break; 2838 case IEEE80211_AUTH_AUTO: /* auto */ 2839 vap->iv_flags &= ~IEEE80211_F_WPA; 2840 /* XXX PRIVACY handling? */ 2841 /* XXX what's the right way to do this? */ 2842 break; 2843 } 2844 /* NB: authenticator attach/detach happens on state change */ 2845 vap->iv_bss->ni_authmode = ireq->i_val; 2846 /* XXX mixed/mode/usage? */ 2847 vap->iv_auth = auth; 2848 error = ENETRESET; 2849 break; 2850 case IEEE80211_IOC_CHANNEL: 2851 error = ieee80211_ioctl_setchannel(vap, ireq); 2852 break; 2853 case IEEE80211_IOC_POWERSAVE: 2854 switch (ireq->i_val) { 2855 case IEEE80211_POWERSAVE_OFF: 2856 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2857 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2858 error = ERESTART; 2859 } 2860 break; 2861 case IEEE80211_POWERSAVE_ON: 2862 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2863 error = EOPNOTSUPP; 2864 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2865 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2866 error = ERESTART; 2867 } 2868 break; 2869 default: 2870 error = EINVAL; 2871 break; 2872 } 2873 break; 2874 case IEEE80211_IOC_POWERSAVESLEEP: 2875 if (ireq->i_val < 0) 2876 return EINVAL; 2877 ic->ic_lintval = ireq->i_val; 2878 error = ERESTART; 2879 break; 2880 case IEEE80211_IOC_RTSTHRESHOLD: 2881 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2882 ireq->i_val <= IEEE80211_RTS_MAX)) 2883 return EINVAL; 2884 vap->iv_rtsthreshold = ireq->i_val; 2885 error = ERESTART; 2886 break; 2887 case IEEE80211_IOC_PROTMODE: 2888 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2889 return EINVAL; 2890 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val; 2891 /* NB: if not operating in 11g this can wait */ 2892 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2893 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2894 error = ERESTART; 2895 break; 2896 case IEEE80211_IOC_TXPOWER: 2897 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2898 return EOPNOTSUPP; 2899 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2900 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2901 return EINVAL; 2902 ic->ic_txpowlimit = ireq->i_val; 2903 error = ERESTART; 2904 break; 2905 case IEEE80211_IOC_ROAMING: 2906 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2907 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2908 return EINVAL; 2909 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2910 /* XXXX reset? */ 2911 break; 2912 case IEEE80211_IOC_PRIVACY: 2913 if (ireq->i_val) { 2914 /* XXX check for key state? */ 2915 vap->iv_flags |= IEEE80211_F_PRIVACY; 2916 } else 2917 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2918 /* XXX ERESTART? */ 2919 break; 2920 case IEEE80211_IOC_DROPUNENCRYPTED: 2921 if (ireq->i_val) 2922 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2923 else 2924 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2925 /* XXX ERESTART? */ 2926 break; 2927 case IEEE80211_IOC_WPAKEY: 2928 error = ieee80211_ioctl_setkey(vap, ireq); 2929 break; 2930 case IEEE80211_IOC_DELKEY: 2931 error = ieee80211_ioctl_delkey(vap, ireq); 2932 break; 2933 case IEEE80211_IOC_MLME: 2934 error = ieee80211_ioctl_setmlme(vap, ireq); 2935 break; 2936 case IEEE80211_IOC_COUNTERMEASURES: 2937 if (ireq->i_val) { 2938 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2939 return EOPNOTSUPP; 2940 vap->iv_flags |= IEEE80211_F_COUNTERM; 2941 } else 2942 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2943 /* XXX ERESTART? */ 2944 break; 2945 case IEEE80211_IOC_WPA: 2946 if (ireq->i_val > 3) 2947 return EINVAL; 2948 /* XXX verify ciphers available */ 2949 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2950 switch (ireq->i_val) { 2951 case 0: 2952 /* wpa_supplicant calls this to clear the WPA config */ 2953 break; 2954 case 1: 2955 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2956 return EOPNOTSUPP; 2957 flags |= IEEE80211_F_WPA1; 2958 break; 2959 case 2: 2960 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2961 return EOPNOTSUPP; 2962 flags |= IEEE80211_F_WPA2; 2963 break; 2964 case 3: 2965 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2966 return EOPNOTSUPP; 2967 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2968 break; 2969 default: /* Can't set any -> error */ 2970 return EOPNOTSUPP; 2971 } 2972 vap->iv_flags = flags; 2973 error = ERESTART; /* NB: can change beacon frame */ 2974 break; 2975 case IEEE80211_IOC_WME: 2976 if (ireq->i_val) { 2977 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2978 return EOPNOTSUPP; 2979 ieee80211_syncflag(vap, IEEE80211_F_WME); 2980 } else 2981 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2982 error = ERESTART; /* NB: can change beacon frame */ 2983 break; 2984 case IEEE80211_IOC_HIDESSID: 2985 if (ireq->i_val) 2986 vap->iv_flags |= IEEE80211_F_HIDESSID; 2987 else 2988 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2989 error = ERESTART; /* XXX ENETRESET? */ 2990 break; 2991 case IEEE80211_IOC_APBRIDGE: 2992 if (ireq->i_val == 0) 2993 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2994 else 2995 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2996 break; 2997 case IEEE80211_IOC_BSSID: 2998 if (ireq->i_len != sizeof(tmpbssid)) 2999 return EINVAL; 3000 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 3001 if (error) 3002 break; 3003 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 3004 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 3005 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 3006 else 3007 vap->iv_flags |= IEEE80211_F_DESBSSID; 3008 error = ENETRESET; 3009 break; 3010 case IEEE80211_IOC_CHANLIST: 3011 error = ieee80211_ioctl_setchanlist(vap, ireq); 3012 break; 3013 #define OLD_IEEE80211_IOC_SCAN_REQ 23 3014 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 3015 case OLD_IEEE80211_IOC_SCAN_REQ: 3016 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3017 "%s: active scan request\n", __func__); 3018 /* 3019 * If we are in INIT state then the driver has never 3020 * had a chance to setup hardware state to do a scan; 3021 * use the state machine to get us up the SCAN state. 3022 * Otherwise just invoke the scan machinery to start 3023 * a one-time scan. 3024 */ 3025 if (vap->iv_state == IEEE80211_S_INIT) 3026 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 3027 else 3028 (void) ieee80211_start_scan(vap, 3029 IEEE80211_SCAN_ACTIVE | 3030 IEEE80211_SCAN_NOPICK | 3031 IEEE80211_SCAN_ONCE, 3032 IEEE80211_SCAN_FOREVER, 0, 0, 3033 /* XXX use ioctl params */ 3034 vap->iv_des_nssid, vap->iv_des_ssid); 3035 break; 3036 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 3037 case IEEE80211_IOC_SCAN_REQ: 3038 error = ieee80211_ioctl_scanreq(vap, ireq); 3039 break; 3040 case IEEE80211_IOC_SCAN_CANCEL: 3041 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3042 "%s: cancel scan\n", __func__); 3043 ieee80211_cancel_scan(vap); 3044 break; 3045 case IEEE80211_IOC_HTCONF: 3046 if (ireq->i_val & 1) 3047 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 3048 else 3049 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 3050 if (ireq->i_val & 2) 3051 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 3052 else 3053 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 3054 error = ENETRESET; 3055 break; 3056 case IEEE80211_IOC_ADDMAC: 3057 case IEEE80211_IOC_DELMAC: 3058 error = ieee80211_ioctl_macmac(vap, ireq); 3059 break; 3060 case IEEE80211_IOC_MACCMD: 3061 error = ieee80211_ioctl_setmaccmd(vap, ireq); 3062 break; 3063 case IEEE80211_IOC_STA_STATS: 3064 error = ieee80211_ioctl_setstastats(vap, ireq); 3065 break; 3066 case IEEE80211_IOC_STA_TXPOW: 3067 error = ieee80211_ioctl_setstatxpow(vap, ireq); 3068 break; 3069 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 3070 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 3071 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 3072 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 3073 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 3074 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 3075 error = ieee80211_ioctl_setwmeparam(vap, ireq); 3076 break; 3077 case IEEE80211_IOC_DTIM_PERIOD: 3078 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3079 vap->iv_opmode != IEEE80211_M_MBSS && 3080 vap->iv_opmode != IEEE80211_M_IBSS) 3081 return EINVAL; 3082 if (IEEE80211_DTIM_MIN <= ireq->i_val && 3083 ireq->i_val <= IEEE80211_DTIM_MAX) { 3084 vap->iv_dtim_period = ireq->i_val; 3085 error = ENETRESET; /* requires restart */ 3086 } else 3087 error = EINVAL; 3088 break; 3089 case IEEE80211_IOC_BEACON_INTERVAL: 3090 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3091 vap->iv_opmode != IEEE80211_M_MBSS && 3092 vap->iv_opmode != IEEE80211_M_IBSS) 3093 return EINVAL; 3094 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 3095 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 3096 ic->ic_bintval = ireq->i_val; 3097 error = ENETRESET; /* requires restart */ 3098 } else 3099 error = EINVAL; 3100 break; 3101 case IEEE80211_IOC_PUREG: 3102 if (ireq->i_val) 3103 vap->iv_flags |= IEEE80211_F_PUREG; 3104 else 3105 vap->iv_flags &= ~IEEE80211_F_PUREG; 3106 /* NB: reset only if we're operating on an 11g channel */ 3107 if (isvap11g(vap)) 3108 error = ENETRESET; 3109 break; 3110 case IEEE80211_IOC_QUIET: 3111 vap->iv_quiet= ireq->i_val; 3112 break; 3113 case IEEE80211_IOC_QUIET_COUNT: 3114 vap->iv_quiet_count=ireq->i_val; 3115 break; 3116 case IEEE80211_IOC_QUIET_PERIOD: 3117 vap->iv_quiet_period=ireq->i_val; 3118 break; 3119 case IEEE80211_IOC_QUIET_OFFSET: 3120 vap->iv_quiet_offset=ireq->i_val; 3121 break; 3122 case IEEE80211_IOC_QUIET_DUR: 3123 if(ireq->i_val < vap->iv_bss->ni_intval) 3124 vap->iv_quiet_duration = ireq->i_val; 3125 else 3126 error = EINVAL; 3127 break; 3128 case IEEE80211_IOC_BGSCAN: 3129 if (ireq->i_val) { 3130 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3131 return EOPNOTSUPP; 3132 vap->iv_flags |= IEEE80211_F_BGSCAN; 3133 } else 3134 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3135 break; 3136 case IEEE80211_IOC_BGSCAN_IDLE: 3137 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3138 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3139 else 3140 error = EINVAL; 3141 break; 3142 case IEEE80211_IOC_BGSCAN_INTERVAL: 3143 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3144 vap->iv_bgscanintvl = ireq->i_val*hz; 3145 else 3146 error = EINVAL; 3147 break; 3148 case IEEE80211_IOC_SCANVALID: 3149 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3150 vap->iv_scanvalid = ireq->i_val*hz; 3151 else 3152 error = EINVAL; 3153 break; 3154 case IEEE80211_IOC_FRAGTHRESHOLD: 3155 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3156 ireq->i_val != IEEE80211_FRAG_MAX) 3157 return EOPNOTSUPP; 3158 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3159 ireq->i_val <= IEEE80211_FRAG_MAX)) 3160 return EINVAL; 3161 vap->iv_fragthreshold = ireq->i_val; 3162 error = ERESTART; 3163 break; 3164 case IEEE80211_IOC_BURST: 3165 if (ireq->i_val) { 3166 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3167 return EOPNOTSUPP; 3168 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3169 } else 3170 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3171 error = ERESTART; 3172 break; 3173 case IEEE80211_IOC_BMISSTHRESHOLD: 3174 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3175 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3176 return EINVAL; 3177 vap->iv_bmissthreshold = ireq->i_val; 3178 error = ERESTART; 3179 break; 3180 case IEEE80211_IOC_CURCHAN: 3181 error = ieee80211_ioctl_setcurchan(vap, ireq); 3182 break; 3183 case IEEE80211_IOC_SHORTGI: 3184 if (ireq->i_val) { 3185 #define IEEE80211_HTCAP_SHORTGI \ 3186 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3187 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3188 return EINVAL; 3189 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3190 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3191 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3192 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3193 #undef IEEE80211_HTCAP_SHORTGI 3194 } else 3195 vap->iv_flags_ht &= 3196 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3197 error = ERESTART; 3198 break; 3199 case IEEE80211_IOC_AMPDU: 3200 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3201 return EINVAL; 3202 if (ireq->i_val & 1) 3203 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3204 else 3205 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3206 if (ireq->i_val & 2) 3207 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3208 else 3209 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3210 /* NB: reset only if we're operating on an 11n channel */ 3211 if (isvapht(vap)) 3212 error = ERESTART; 3213 break; 3214 case IEEE80211_IOC_AMPDU_LIMIT: 3215 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */ 3216 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3217 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3218 return EINVAL; 3219 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3220 vap->iv_ampdu_rxmax = ireq->i_val; 3221 else 3222 vap->iv_ampdu_limit = ireq->i_val; 3223 error = ERESTART; 3224 break; 3225 case IEEE80211_IOC_AMPDU_DENSITY: 3226 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3227 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3228 return EINVAL; 3229 vap->iv_ampdu_density = ireq->i_val; 3230 error = ERESTART; 3231 break; 3232 case IEEE80211_IOC_AMSDU: 3233 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3234 return EINVAL; 3235 if (ireq->i_val & 1) 3236 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3237 else 3238 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3239 if (ireq->i_val & 2) 3240 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3241 else 3242 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3243 /* NB: reset only if we're operating on an 11n channel */ 3244 if (isvapht(vap)) 3245 error = ERESTART; 3246 break; 3247 case IEEE80211_IOC_AMSDU_LIMIT: 3248 /* XXX validate */ 3249 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3250 break; 3251 case IEEE80211_IOC_PUREN: 3252 if (ireq->i_val) { 3253 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3254 return EINVAL; 3255 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3256 } else 3257 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3258 /* NB: reset only if we're operating on an 11n channel */ 3259 if (isvapht(vap)) 3260 error = ERESTART; 3261 break; 3262 case IEEE80211_IOC_DOTH: 3263 if (ireq->i_val) { 3264 #if 0 3265 /* XXX no capability */ 3266 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3267 return EOPNOTSUPP; 3268 #endif 3269 vap->iv_flags |= IEEE80211_F_DOTH; 3270 } else 3271 vap->iv_flags &= ~IEEE80211_F_DOTH; 3272 error = ENETRESET; 3273 break; 3274 case IEEE80211_IOC_REGDOMAIN: 3275 error = ieee80211_ioctl_setregdomain(vap, ireq); 3276 break; 3277 case IEEE80211_IOC_ROAM: 3278 error = ieee80211_ioctl_setroam(vap, ireq); 3279 break; 3280 case IEEE80211_IOC_TXPARAMS: 3281 error = ieee80211_ioctl_settxparams(vap, ireq); 3282 break; 3283 case IEEE80211_IOC_HTCOMPAT: 3284 if (ireq->i_val) { 3285 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3286 return EOPNOTSUPP; 3287 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3288 } else 3289 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3290 /* NB: reset only if we're operating on an 11n channel */ 3291 if (isvapht(vap)) 3292 error = ERESTART; 3293 break; 3294 case IEEE80211_IOC_DWDS: 3295 if (ireq->i_val) { 3296 /* NB: DWDS only makes sense for WDS-capable devices */ 3297 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3298 return EOPNOTSUPP; 3299 /* NB: DWDS is used only with ap+sta vaps */ 3300 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3301 vap->iv_opmode != IEEE80211_M_STA) 3302 return EINVAL; 3303 vap->iv_flags |= IEEE80211_F_DWDS; 3304 if (vap->iv_opmode == IEEE80211_M_STA) 3305 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3306 } else { 3307 vap->iv_flags &= ~IEEE80211_F_DWDS; 3308 if (vap->iv_opmode == IEEE80211_M_STA) 3309 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3310 } 3311 break; 3312 case IEEE80211_IOC_INACTIVITY: 3313 if (ireq->i_val) 3314 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3315 else 3316 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3317 break; 3318 case IEEE80211_IOC_APPIE: 3319 error = ieee80211_ioctl_setappie(vap, ireq); 3320 break; 3321 case IEEE80211_IOC_WPS: 3322 if (ireq->i_val) { 3323 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3324 return EOPNOTSUPP; 3325 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3326 } else 3327 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3328 break; 3329 case IEEE80211_IOC_TSN: 3330 if (ireq->i_val) { 3331 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3332 return EOPNOTSUPP; 3333 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3334 } else 3335 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3336 break; 3337 case IEEE80211_IOC_CHANSWITCH: 3338 error = ieee80211_ioctl_chanswitch(vap, ireq); 3339 break; 3340 case IEEE80211_IOC_DFS: 3341 if (ireq->i_val) { 3342 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3343 return EOPNOTSUPP; 3344 /* NB: DFS requires 11h support */ 3345 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3346 return EINVAL; 3347 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3348 } else 3349 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3350 break; 3351 case IEEE80211_IOC_DOTD: 3352 if (ireq->i_val) 3353 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3354 else 3355 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3356 if (vap->iv_opmode == IEEE80211_M_STA) 3357 error = ENETRESET; 3358 break; 3359 case IEEE80211_IOC_HTPROTMODE: 3360 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3361 return EINVAL; 3362 ic->ic_htprotmode = ireq->i_val ? 3363 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3364 /* NB: if not operating in 11n this can wait */ 3365 if (isvapht(vap)) 3366 error = ERESTART; 3367 break; 3368 case IEEE80211_IOC_STA_VLAN: 3369 error = ieee80211_ioctl_setstavlan(vap, ireq); 3370 break; 3371 case IEEE80211_IOC_SMPS: 3372 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3373 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3374 return EINVAL; 3375 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3376 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3377 return EOPNOTSUPP; 3378 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3379 ireq->i_val; 3380 /* NB: if not operating in 11n this can wait */ 3381 if (isvapht(vap)) 3382 error = ERESTART; 3383 break; 3384 case IEEE80211_IOC_RIFS: 3385 if (ireq->i_val != 0) { 3386 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3387 return EOPNOTSUPP; 3388 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3389 } else 3390 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3391 /* NB: if not operating in 11n this can wait */ 3392 if (isvapht(vap)) 3393 error = ERESTART; 3394 break; 3395 case IEEE80211_IOC_STBC: 3396 /* Check if we can do STBC TX/RX before changing the setting */ 3397 if ((ireq->i_val & 1) && 3398 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0)) 3399 return EOPNOTSUPP; 3400 if ((ireq->i_val & 2) && 3401 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0)) 3402 return EOPNOTSUPP; 3403 3404 /* TX */ 3405 if (ireq->i_val & 1) 3406 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX; 3407 else 3408 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX; 3409 3410 /* RX */ 3411 if (ireq->i_val & 2) 3412 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX; 3413 else 3414 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX; 3415 3416 /* NB: reset only if we're operating on an 11n channel */ 3417 if (isvapht(vap)) 3418 error = ERESTART; 3419 break; 3420 case IEEE80211_IOC_LDPC: 3421 /* Check if we can do LDPC TX/RX before changing the setting */ 3422 if ((ireq->i_val & 1) && 3423 (vap->iv_htcaps & IEEE80211_HTC_TXLDPC) == 0) 3424 return EOPNOTSUPP; 3425 if ((ireq->i_val & 2) && 3426 (vap->iv_htcaps & IEEE80211_HTCAP_LDPC) == 0) 3427 return EOPNOTSUPP; 3428 3429 /* TX */ 3430 if (ireq->i_val & 1) 3431 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX; 3432 else 3433 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_TX; 3434 3435 /* RX */ 3436 if (ireq->i_val & 2) 3437 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX; 3438 else 3439 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_RX; 3440 3441 /* NB: reset only if we're operating on an 11n channel */ 3442 if (isvapht(vap)) 3443 error = ERESTART; 3444 break; 3445 3446 /* VHT */ 3447 case IEEE80211_IOC_VHTCONF: 3448 if (ireq->i_val & 1) 3449 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_VHT); 3450 else 3451 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_VHT); 3452 3453 if (ireq->i_val & 2) 3454 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT40); 3455 else 3456 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT40); 3457 3458 if (ireq->i_val & 4) 3459 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80); 3460 else 3461 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80); 3462 3463 if (ireq->i_val & 8) 3464 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80P80); 3465 else 3466 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80P80); 3467 3468 if (ireq->i_val & 16) 3469 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT160); 3470 else 3471 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT160); 3472 3473 error = ENETRESET; 3474 break; 3475 3476 default: 3477 error = ieee80211_ioctl_setdefault(vap, ireq); 3478 break; 3479 } 3480 /* 3481 * The convention is that ENETRESET means an operation 3482 * requires a complete re-initialization of the device (e.g. 3483 * changing something that affects the association state). 3484 * ERESTART means the request may be handled with only a 3485 * reload of the hardware state. We hand ERESTART requests 3486 * to the iv_reset callback so the driver can decide. If 3487 * a device does not fillin iv_reset then it defaults to one 3488 * that returns ENETRESET. Otherwise a driver may return 3489 * ENETRESET (in which case a full reset will be done) or 3490 * 0 to mean there's no need to do anything (e.g. when the 3491 * change has no effect on the driver/device). 3492 */ 3493 if (error == ERESTART) 3494 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3495 vap->iv_reset(vap, ireq->i_type) : 0; 3496 if (error == ENETRESET) { 3497 /* XXX need to re-think AUTO handling */ 3498 if (IS_UP_AUTO(vap)) 3499 ieee80211_init(vap); 3500 error = 0; 3501 } 3502 return error; 3503 } 3504 3505 int 3506 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3507 { 3508 struct ieee80211vap *vap = ifp->if_softc; 3509 struct ieee80211com *ic = vap->iv_ic; 3510 int error = 0, wait = 0; 3511 struct ifreq *ifr; 3512 struct ifaddr *ifa; /* XXX */ 3513 3514 switch (cmd) { 3515 case SIOCSIFFLAGS: 3516 IEEE80211_LOCK(ic); 3517 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) { 3518 /* 3519 * Enable promiscuous mode when: 3520 * 1. Interface is not a member of bridge, or 3521 * 2. Requested by user, or 3522 * 3. In monitor (or adhoc-demo) mode. 3523 */ 3524 if (ifp->if_bridge == NULL || 3525 (ifp->if_flags & IFF_PPROMISC) != 0 || 3526 vap->iv_opmode == IEEE80211_M_MONITOR || 3527 (vap->iv_opmode == IEEE80211_M_AHDEMO && 3528 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) { 3529 ieee80211_promisc(vap, 3530 ifp->if_flags & IFF_PROMISC); 3531 vap->iv_ifflags ^= IFF_PROMISC; 3532 } 3533 } 3534 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) { 3535 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3536 vap->iv_ifflags ^= IFF_ALLMULTI; 3537 } 3538 if (ifp->if_flags & IFF_UP) { 3539 /* 3540 * Bring ourself up unless we're already operational. 3541 * If we're the first vap and the parent is not up 3542 * then it will automatically be brought up as a 3543 * side-effect of bringing ourself up. 3544 */ 3545 if (vap->iv_state == IEEE80211_S_INIT) { 3546 if (ic->ic_nrunning == 0) 3547 wait = 1; 3548 ieee80211_start_locked(vap); 3549 } 3550 #if __FreeBSD__ 3551 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3552 #elif __NetBSD__ 3553 } else if (ifp->if_flags & IFF_RUNNING) { 3554 #endif 3555 /* 3556 * Stop ourself. If we are the last vap to be 3557 * marked down the parent will also be taken down. 3558 */ 3559 if (ic->ic_nrunning == 1) 3560 wait = 1; 3561 ieee80211_stop_locked(vap); 3562 } 3563 IEEE80211_UNLOCK(ic); 3564 /* Wait for parent ioctl handler if it was queued */ 3565 if (wait) { 3566 ieee80211_waitfor_parent(ic); 3567 3568 /* 3569 * Check if the MAC address was changed 3570 * via SIOCSIFLLADDR ioctl. 3571 */ 3572 if_addr_rlock(ifp); 3573 if ((ifp->if_flags & IFF_UP) == 0 && 3574 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp))) 3575 IEEE80211_ADDR_COPY(vap->iv_myaddr, 3576 IF_LLADDR(ifp)); 3577 if_addr_runlock(ifp); 3578 } 3579 break; 3580 case SIOCADDMULTI: 3581 case SIOCDELMULTI: 3582 ieee80211_runtask(ic, &ic->ic_mcast_task); 3583 break; 3584 case SIOCSIFMEDIA: 3585 case SIOCGIFMEDIA: 3586 ifr = (struct ifreq *)data; 3587 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3588 break; 3589 case SIOCG80211: 3590 error = ieee80211_ioctl_get80211(vap, cmd, 3591 (struct ieee80211req *) data); 3592 break; 3593 case SIOCS80211: 3594 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3595 if (error == 0) 3596 error = ieee80211_ioctl_set80211(vap, cmd, 3597 (struct ieee80211req *) data); 3598 break; 3599 case SIOCG80211STATS: 3600 ifr = (struct ifreq *)data; 3601 #if __FreeBSD__ 3602 copyout(&vap->iv_stats, ifr_data_get_ptr(ifr), 3603 sizeof (vap->iv_stats)); 3604 #elif__NetBSD__ 3605 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3606 #endif 3607 break; 3608 case SIOCSIFMTU: 3609 ifr = (struct ifreq *)data; 3610 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3611 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3612 error = EINVAL; 3613 else 3614 ifp->if_mtu = ifr->ifr_mtu; 3615 break; 3616 case SIOCSIFADDR: 3617 /* 3618 * XXX Handle this directly so we can suppress if_init calls. 3619 * XXX This should be done in ether_ioctl but for the moment 3620 * XXX there are too many other parts of the system that 3621 * XXX set IFF_UP and so suppress if_init being called when 3622 * XXX it should be. 3623 */ 3624 ifa = (struct ifaddr *) data; 3625 switch (ifa->ifa_addr->sa_family) { 3626 #ifdef INET 3627 case AF_INET: 3628 if ((ifp->if_flags & IFF_UP) == 0) { 3629 ifp->if_flags |= IFF_UP; 3630 ifp->if_init(ifp->if_softc); 3631 } 3632 arp_ifinit(ifp, ifa); 3633 break; 3634 #endif 3635 default: 3636 if ((ifp->if_flags & IFF_UP) == 0) { 3637 ifp->if_flags |= IFF_UP; 3638 ifp->if_init(ifp->if_softc); 3639 } 3640 break; 3641 } 3642 break; 3643 default: 3644 /* 3645 * Pass unknown ioctls first to the driver, and if it 3646 * returns ENOTTY, then to the generic Ethernet handler. 3647 */ 3648 if (ic->ic_ioctl != NULL && 3649 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3650 break; 3651 error = ether_ioctl(ifp, cmd, data); 3652 break; 3653 } 3654 return (error); 3655 } 3656
Indexes created Tue Sep 30 06:09:59 GMT 2025