ieee80211_ioctl.c revision 1.60.18.3
1 /* $NetBSD: ieee80211_ioctl.c,v 1.60.18.3 2018/07/16 20:11:11 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 #if 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 #else 797 printf ("i33380211_ioctl_getdefault called\n"); 798 #endif 799 return EINVAL; 800 } 801 802 static int 803 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 804 struct ieee80211req *ireq) 805 { 806 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 807 struct ieee80211com *ic = vap->iv_ic; 808 u_int kid, len; 809 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 810 char tmpssid[IEEE80211_NWID_LEN]; 811 int error = 0; 812 813 switch (ireq->i_type) { 814 case IEEE80211_IOC_SSID: 815 switch (vap->iv_state) { 816 case IEEE80211_S_INIT: 817 case IEEE80211_S_SCAN: 818 ireq->i_len = vap->iv_des_ssid[0].len; 819 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 820 break; 821 default: 822 ireq->i_len = vap->iv_bss->ni_esslen; 823 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 824 break; 825 } 826 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 827 break; 828 case IEEE80211_IOC_NUMSSIDS: 829 ireq->i_val = 1; 830 break; 831 case IEEE80211_IOC_WEP: 832 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 833 ireq->i_val = IEEE80211_WEP_OFF; 834 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 835 ireq->i_val = IEEE80211_WEP_ON; 836 else 837 ireq->i_val = IEEE80211_WEP_MIXED; 838 break; 839 case IEEE80211_IOC_WEPKEY: 840 kid = (u_int) ireq->i_val; 841 if (kid >= IEEE80211_WEP_NKID) 842 return EINVAL; 843 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 844 /* NB: only root can read WEP keys */ 845 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 846 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 847 } else { 848 bzero(tmpkey, len); 849 } 850 ireq->i_len = len; 851 error = copyout(tmpkey, ireq->i_data, len); 852 break; 853 case IEEE80211_IOC_NUMWEPKEYS: 854 ireq->i_val = IEEE80211_WEP_NKID; 855 break; 856 case IEEE80211_IOC_WEPTXKEY: 857 ireq->i_val = vap->iv_def_txkey; 858 break; 859 case IEEE80211_IOC_AUTHMODE: 860 if (vap->iv_flags & IEEE80211_F_WPA) 861 ireq->i_val = IEEE80211_AUTH_WPA; 862 else 863 ireq->i_val = vap->iv_bss->ni_authmode; 864 break; 865 case IEEE80211_IOC_CHANNEL: 866 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 867 break; 868 case IEEE80211_IOC_POWERSAVE: 869 if (vap->iv_flags & IEEE80211_F_PMGTON) 870 ireq->i_val = IEEE80211_POWERSAVE_ON; 871 else 872 ireq->i_val = IEEE80211_POWERSAVE_OFF; 873 break; 874 case IEEE80211_IOC_POWERSAVESLEEP: 875 ireq->i_val = ic->ic_lintval; 876 break; 877 case IEEE80211_IOC_RTSTHRESHOLD: 878 ireq->i_val = vap->iv_rtsthreshold; 879 break; 880 case IEEE80211_IOC_PROTMODE: 881 ireq->i_val = ic->ic_protmode; 882 break; 883 case IEEE80211_IOC_TXPOWER: 884 /* 885 * Tx power limit is the min of max regulatory 886 * power, any user-set limit, and the max the 887 * radio can do. 888 * 889 * TODO: methodize this 890 */ 891 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 892 if (ireq->i_val > ic->ic_txpowlimit) 893 ireq->i_val = ic->ic_txpowlimit; 894 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 895 ireq->i_val = ic->ic_curchan->ic_maxpower; 896 break; 897 case IEEE80211_IOC_WPA: 898 switch (vap->iv_flags & IEEE80211_F_WPA) { 899 case IEEE80211_F_WPA1: 900 ireq->i_val = 1; 901 break; 902 case IEEE80211_F_WPA2: 903 ireq->i_val = 2; 904 break; 905 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 906 ireq->i_val = 3; 907 break; 908 default: 909 ireq->i_val = 0; 910 break; 911 } 912 break; 913 case IEEE80211_IOC_CHANLIST: 914 error = ieee80211_ioctl_getchanlist(vap, ireq); 915 break; 916 case IEEE80211_IOC_ROAMING: 917 ireq->i_val = vap->iv_roaming; 918 break; 919 case IEEE80211_IOC_PRIVACY: 920 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 921 break; 922 case IEEE80211_IOC_DROPUNENCRYPTED: 923 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 924 break; 925 case IEEE80211_IOC_COUNTERMEASURES: 926 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 927 break; 928 case IEEE80211_IOC_WME: 929 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 930 break; 931 case IEEE80211_IOC_HIDESSID: 932 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 933 break; 934 case IEEE80211_IOC_APBRIDGE: 935 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 936 break; 937 case IEEE80211_IOC_WPAKEY: 938 error = ieee80211_ioctl_getkey(vap, ireq); 939 break; 940 case IEEE80211_IOC_CHANINFO: 941 error = ieee80211_ioctl_getchaninfo(vap, ireq); 942 break; 943 case IEEE80211_IOC_BSSID: 944 if (ireq->i_len != IEEE80211_ADDR_LEN) 945 return EINVAL; 946 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 947 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 948 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 949 ireq->i_data, ireq->i_len); 950 } else 951 error = copyout(vap->iv_des_bssid, ireq->i_data, 952 ireq->i_len); 953 break; 954 case IEEE80211_IOC_WPAIE: 955 case IEEE80211_IOC_WPAIE2: 956 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 957 break; 958 case IEEE80211_IOC_SCAN_RESULTS: 959 error = ieee80211_ioctl_getscanresults(vap, ireq); 960 break; 961 case IEEE80211_IOC_STA_STATS: 962 error = ieee80211_ioctl_getstastats(vap, ireq); 963 break; 964 case IEEE80211_IOC_TXPOWMAX: 965 ireq->i_val = vap->iv_bss->ni_txpower; 966 break; 967 case IEEE80211_IOC_STA_TXPOW: 968 error = ieee80211_ioctl_getstatxpow(vap, ireq); 969 break; 970 case IEEE80211_IOC_STA_INFO: 971 error = ieee80211_ioctl_getstainfo(vap, ireq); 972 break; 973 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 974 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 975 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 976 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 977 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 978 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 979 error = ieee80211_ioctl_getwmeparam(vap, ireq); 980 break; 981 case IEEE80211_IOC_DTIM_PERIOD: 982 ireq->i_val = vap->iv_dtim_period; 983 break; 984 case IEEE80211_IOC_BEACON_INTERVAL: 985 /* NB: get from ic_bss for station mode */ 986 ireq->i_val = vap->iv_bss->ni_intval; 987 break; 988 case IEEE80211_IOC_PUREG: 989 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 990 break; 991 case IEEE80211_IOC_QUIET: 992 ireq->i_val = vap->iv_quiet; 993 break; 994 case IEEE80211_IOC_QUIET_COUNT: 995 ireq->i_val = vap->iv_quiet_count; 996 break; 997 case IEEE80211_IOC_QUIET_PERIOD: 998 ireq->i_val = vap->iv_quiet_period; 999 break; 1000 case IEEE80211_IOC_QUIET_DUR: 1001 ireq->i_val = vap->iv_quiet_duration; 1002 break; 1003 case IEEE80211_IOC_QUIET_OFFSET: 1004 ireq->i_val = vap->iv_quiet_offset; 1005 break; 1006 case IEEE80211_IOC_BGSCAN: 1007 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 1008 break; 1009 case IEEE80211_IOC_BGSCAN_IDLE: 1010 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 1011 break; 1012 case IEEE80211_IOC_BGSCAN_INTERVAL: 1013 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 1014 break; 1015 case IEEE80211_IOC_SCANVALID: 1016 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 1017 break; 1018 case IEEE80211_IOC_FRAGTHRESHOLD: 1019 ireq->i_val = vap->iv_fragthreshold; 1020 break; 1021 case IEEE80211_IOC_MACCMD: 1022 error = ieee80211_ioctl_getmaccmd(vap, ireq); 1023 break; 1024 case IEEE80211_IOC_BURST: 1025 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 1026 break; 1027 case IEEE80211_IOC_BMISSTHRESHOLD: 1028 ireq->i_val = vap->iv_bmissthreshold; 1029 break; 1030 case IEEE80211_IOC_CURCHAN: 1031 error = ieee80211_ioctl_getcurchan(vap, ireq); 1032 break; 1033 case IEEE80211_IOC_SHORTGI: 1034 ireq->i_val = 0; 1035 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1036 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1037 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1038 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1039 break; 1040 case IEEE80211_IOC_AMPDU: 1041 ireq->i_val = 0; 1042 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1043 ireq->i_val |= 1; 1044 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1045 ireq->i_val |= 2; 1046 break; 1047 case IEEE80211_IOC_AMPDU_LIMIT: 1048 /* XXX TODO: make this a per-node thing; and leave this as global */ 1049 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1050 ireq->i_val = vap->iv_ampdu_rxmax; 1051 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1052 /* 1053 * XXX TODO: this isn't completely correct, as we've 1054 * negotiated the higher of the two. 1055 */ 1056 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1057 IEEE80211_HTCAP_MAXRXAMPDU); 1058 else 1059 ireq->i_val = vap->iv_ampdu_limit; 1060 break; 1061 case IEEE80211_IOC_AMPDU_DENSITY: 1062 /* XXX TODO: make this a per-node thing; and leave this as global */ 1063 if (vap->iv_opmode == IEEE80211_M_STA && 1064 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1065 /* 1066 * XXX TODO: this isn't completely correct, as we've 1067 * negotiated the higher of the two. 1068 */ 1069 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1070 IEEE80211_HTCAP_MPDUDENSITY); 1071 else 1072 ireq->i_val = vap->iv_ampdu_density; 1073 break; 1074 case IEEE80211_IOC_AMSDU: 1075 ireq->i_val = 0; 1076 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1077 ireq->i_val |= 1; 1078 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1079 ireq->i_val |= 2; 1080 break; 1081 case IEEE80211_IOC_AMSDU_LIMIT: 1082 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1083 break; 1084 case IEEE80211_IOC_PUREN: 1085 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1086 break; 1087 case IEEE80211_IOC_DOTH: 1088 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1089 break; 1090 case IEEE80211_IOC_REGDOMAIN: 1091 error = ieee80211_ioctl_getregdomain(vap, ireq); 1092 break; 1093 case IEEE80211_IOC_ROAM: 1094 error = ieee80211_ioctl_getroam(vap, ireq); 1095 break; 1096 case IEEE80211_IOC_TXPARAMS: 1097 error = ieee80211_ioctl_gettxparams(vap, ireq); 1098 break; 1099 case IEEE80211_IOC_HTCOMPAT: 1100 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1101 break; 1102 case IEEE80211_IOC_DWDS: 1103 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1104 break; 1105 case IEEE80211_IOC_INACTIVITY: 1106 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1107 break; 1108 case IEEE80211_IOC_APPIE: 1109 error = ieee80211_ioctl_getappie(vap, ireq); 1110 break; 1111 case IEEE80211_IOC_WPS: 1112 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1113 break; 1114 case IEEE80211_IOC_TSN: 1115 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1116 break; 1117 case IEEE80211_IOC_DFS: 1118 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1119 break; 1120 case IEEE80211_IOC_DOTD: 1121 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1122 break; 1123 case IEEE80211_IOC_DEVCAPS: 1124 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1125 break; 1126 case IEEE80211_IOC_HTPROTMODE: 1127 ireq->i_val = ic->ic_htprotmode; 1128 break; 1129 case IEEE80211_IOC_HTCONF: 1130 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1131 ireq->i_val = 1; 1132 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1133 ireq->i_val |= 2; 1134 } else 1135 ireq->i_val = 0; 1136 break; 1137 case IEEE80211_IOC_STA_VLAN: 1138 error = ieee80211_ioctl_getstavlan(vap, ireq); 1139 break; 1140 case IEEE80211_IOC_SMPS: 1141 if (vap->iv_opmode == IEEE80211_M_STA && 1142 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1143 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1144 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1145 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1146 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1147 else 1148 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1149 } else 1150 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1151 break; 1152 case IEEE80211_IOC_RIFS: 1153 if (vap->iv_opmode == IEEE80211_M_STA && 1154 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1155 ireq->i_val = 1156 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1157 else 1158 ireq->i_val = 1159 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1160 break; 1161 case IEEE80211_IOC_STBC: 1162 ireq->i_val = 0; 1163 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX) 1164 ireq->i_val |= 1; 1165 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) 1166 ireq->i_val |= 2; 1167 break; 1168 case IEEE80211_IOC_LDPC: 1169 ireq->i_val = 0; 1170 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_TX) 1171 ireq->i_val |= 1; 1172 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_RX) 1173 ireq->i_val |= 2; 1174 break; 1175 1176 /* VHT */ 1177 case IEEE80211_IOC_VHTCONF: 1178 ireq->i_val = 0; 1179 if (vap->iv_flags_vht & IEEE80211_FVHT_VHT) 1180 ireq->i_val |= 1; 1181 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT40) 1182 ireq->i_val |= 2; 1183 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80) 1184 ireq->i_val |= 4; 1185 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80P80) 1186 ireq->i_val |= 8; 1187 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT160) 1188 ireq->i_val |= 16; 1189 break; 1190 1191 default: 1192 error = ieee80211_ioctl_getdefault(vap, ireq); 1193 break; 1194 } 1195 return error; 1196 #undef MS 1197 } 1198 1199 static int 1200 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1201 { 1202 struct ieee80211req_key ik; 1203 struct ieee80211_node *ni; 1204 struct ieee80211_key *wk; 1205 uint16_t kid; 1206 int error, i; 1207 1208 if (ireq->i_len != sizeof(ik)) 1209 return EINVAL; 1210 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1211 if (error) 1212 return error; 1213 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1214 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1215 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1216 return E2BIG; 1217 kid = ik.ik_keyix; 1218 if (kid == IEEE80211_KEYIX_NONE) { 1219 /* XXX unicast keys currently must be tx/rx */ 1220 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1221 return EINVAL; 1222 if (vap->iv_opmode == IEEE80211_M_STA) { 1223 ni = ieee80211_ref_node(vap->iv_bss); 1224 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1225 ieee80211_free_node(ni); 1226 return EADDRNOTAVAIL; 1227 } 1228 } else { 1229 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1230 ik.ik_macaddr); 1231 if (ni == NULL) 1232 return ENOENT; 1233 } 1234 wk = &ni->ni_ucastkey; 1235 } else { 1236 if (kid >= IEEE80211_WEP_NKID) 1237 return EINVAL; 1238 wk = &vap->iv_nw_keys[kid]; 1239 /* 1240 * Global slots start off w/o any assigned key index. 1241 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1242 */ 1243 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1244 wk->wk_keyix = kid; 1245 ni = NULL; 1246 } 1247 error = 0; 1248 ieee80211_key_update_begin(vap); 1249 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1250 wk->wk_keylen = ik.ik_keylen; 1251 /* NB: MIC presence is implied by cipher type */ 1252 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1253 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1254 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1255 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1256 wk->wk_keytsc = 0; /* new key, reset */ 1257 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1258 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1259 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1260 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1261 if (!ieee80211_crypto_setkey(vap, wk)) 1262 error = EIO; 1263 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1264 /* 1265 * Inform the driver that this is the default 1266 * transmit key. Now, ideally we'd just set 1267 * a flag in the key update that would 1268 * say "yes, we're the default key", but 1269 * that currently isn't the way the ioctl -> 1270 * key interface works. 1271 */ 1272 ieee80211_crypto_set_deftxkey(vap, kid); 1273 } else 1274 error = ENXIO; 1275 ieee80211_key_update_end(vap); 1276 if (ni != NULL) 1277 ieee80211_free_node(ni); 1278 return error; 1279 } 1280 1281 static int 1282 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1283 { 1284 struct ieee80211req_del_key dk; 1285 int kid, error; 1286 1287 if (ireq->i_len != sizeof(dk)) 1288 return EINVAL; 1289 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1290 if (error) 1291 return error; 1292 kid = dk.idk_keyix; 1293 /* XXX uint8_t -> uint16_t */ 1294 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1295 struct ieee80211_node *ni; 1296 1297 if (vap->iv_opmode == IEEE80211_M_STA) { 1298 ni = ieee80211_ref_node(vap->iv_bss); 1299 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1300 ieee80211_free_node(ni); 1301 return EADDRNOTAVAIL; 1302 } 1303 } else { 1304 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1305 dk.idk_macaddr); 1306 if (ni == NULL) 1307 return ENOENT; 1308 } 1309 /* XXX error return */ 1310 ieee80211_node_delucastkey(ni); 1311 ieee80211_free_node(ni); 1312 } else { 1313 if (kid >= IEEE80211_WEP_NKID) 1314 return EINVAL; 1315 /* XXX error return */ 1316 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1317 } 1318 return 0; 1319 } 1320 1321 struct mlmeop { 1322 struct ieee80211vap *vap; 1323 int op; 1324 int reason; 1325 }; 1326 1327 static void 1328 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1329 int op, int reason) 1330 { 1331 #ifdef IEEE80211_DEBUG 1332 static const struct { 1333 int mask; 1334 const char *opstr; 1335 } ops[] = { 1336 { 0, "op#0" }, 1337 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1338 IEEE80211_MSG_ASSOC, "assoc" }, 1339 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1340 IEEE80211_MSG_ASSOC, "disassoc" }, 1341 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1342 IEEE80211_MSG_AUTH, "deauth" }, 1343 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1344 IEEE80211_MSG_AUTH, "authorize" }, 1345 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1346 IEEE80211_MSG_AUTH, "unauthorize" }, 1347 }; 1348 1349 if (op == IEEE80211_MLME_AUTH) { 1350 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1351 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1352 "station authenticate %s via MLME (reason: %d (%s))", 1353 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1354 reason, ieee80211_reason_to_string(reason)); 1355 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1356 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1357 "unknown MLME request %d (reason: %d (%s))", op, reason, 1358 ieee80211_reason_to_string(reason)); 1359 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1360 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1361 "station %s via MLME", ops[op].opstr); 1362 } else { 1363 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1364 "station %s via MLME (reason: %d (%s))", ops[op].opstr, 1365 reason, ieee80211_reason_to_string(reason)); 1366 } 1367 #endif /* IEEE80211_DEBUG */ 1368 } 1369 1370 static void 1371 domlme(void *arg, struct ieee80211_node *ni) 1372 { 1373 struct mlmeop *mop = arg; 1374 struct ieee80211vap *vap = ni->ni_vap; 1375 1376 if (vap != mop->vap) 1377 return; 1378 /* 1379 * NB: if ni_associd is zero then the node is already cleaned 1380 * up and we don't need to do this (we're safely holding a 1381 * reference but should otherwise not modify it's state). 1382 */ 1383 if (ni->ni_associd == 0) 1384 return; 1385 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1386 if (mop->op == IEEE80211_MLME_DEAUTH) { 1387 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1388 mop->reason); 1389 } else { 1390 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1391 mop->reason); 1392 } 1393 ieee80211_node_leave(ni); 1394 } 1395 1396 static int 1397 setmlme_dropsta(struct ieee80211vap *vap, 1398 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1399 { 1400 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1401 struct ieee80211_node *ni; 1402 int error = 0; 1403 1404 /* NB: the broadcast address means do 'em all */ 1405 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1406 IEEE80211_NODE_LOCK(nt); 1407 ni = ieee80211_find_node_locked(nt, mac); 1408 IEEE80211_NODE_UNLOCK(nt); 1409 /* 1410 * Don't do the node update inside the node 1411 * table lock. This unfortunately causes LORs 1412 * with drivers and their TX paths. 1413 */ 1414 if (ni != NULL) { 1415 domlme(mlmeop, ni); 1416 ieee80211_free_node(ni); 1417 } else 1418 error = ENOENT; 1419 } else { 1420 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1421 } 1422 return error; 1423 } 1424 1425 static int 1426 setmlme_common(struct ieee80211vap *vap, int op, 1427 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1428 { 1429 struct ieee80211com *ic = vap->iv_ic; 1430 struct ieee80211_node_table *nt = &ic->ic_sta; 1431 struct ieee80211_node *ni; 1432 struct mlmeop mlmeop; 1433 int error; 1434 1435 error = 0; 1436 switch (op) { 1437 case IEEE80211_MLME_DISASSOC: 1438 case IEEE80211_MLME_DEAUTH: 1439 switch (vap->iv_opmode) { 1440 case IEEE80211_M_STA: 1441 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1442 /* XXX not quite right */ 1443 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1444 break; 1445 case IEEE80211_M_HOSTAP: 1446 mlmeop.vap = vap; 1447 mlmeop.op = op; 1448 mlmeop.reason = reason; 1449 error = setmlme_dropsta(vap, mac, &mlmeop); 1450 break; 1451 case IEEE80211_M_WDS: 1452 /* XXX user app should send raw frame? */ 1453 if (op != IEEE80211_MLME_DEAUTH) { 1454 error = EINVAL; 1455 break; 1456 } 1457 #if 0 1458 /* XXX accept any address, simplifies user code */ 1459 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1460 error = EINVAL; 1461 break; 1462 } 1463 #endif 1464 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1465 ni = ieee80211_ref_node(vap->iv_bss); 1466 IEEE80211_SEND_MGMT(ni, 1467 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1468 ieee80211_free_node(ni); 1469 break; 1470 case IEEE80211_M_MBSS: 1471 IEEE80211_NODE_LOCK(nt); 1472 ni = ieee80211_find_node_locked(nt, mac); 1473 /* 1474 * Don't do the node update inside the node 1475 * table lock. This unfortunately causes LORs 1476 * with drivers and their TX paths. 1477 */ 1478 IEEE80211_NODE_UNLOCK(nt); 1479 if (ni != NULL) { 1480 ieee80211_node_leave(ni); 1481 ieee80211_free_node(ni); 1482 } else { 1483 error = ENOENT; 1484 } 1485 break; 1486 default: 1487 error = EINVAL; 1488 break; 1489 } 1490 break; 1491 case IEEE80211_MLME_AUTHORIZE: 1492 case IEEE80211_MLME_UNAUTHORIZE: 1493 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1494 vap->iv_opmode != IEEE80211_M_WDS) { 1495 error = EINVAL; 1496 break; 1497 } 1498 IEEE80211_NODE_LOCK(nt); 1499 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1500 /* 1501 * Don't do the node update inside the node 1502 * table lock. This unfortunately causes LORs 1503 * with drivers and their TX paths. 1504 */ 1505 IEEE80211_NODE_UNLOCK(nt); 1506 if (ni != NULL) { 1507 mlmedebug(vap, mac, op, reason); 1508 if (op == IEEE80211_MLME_AUTHORIZE) 1509 ieee80211_node_authorize(ni); 1510 else 1511 ieee80211_node_unauthorize(ni); 1512 ieee80211_free_node(ni); 1513 } else 1514 error = ENOENT; 1515 break; 1516 case IEEE80211_MLME_AUTH: 1517 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1518 error = EINVAL; 1519 break; 1520 } 1521 IEEE80211_NODE_LOCK(nt); 1522 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1523 /* 1524 * Don't do the node update inside the node 1525 * table lock. This unfortunately causes LORs 1526 * with drivers and their TX paths. 1527 */ 1528 IEEE80211_NODE_UNLOCK(nt); 1529 if (ni != NULL) { 1530 mlmedebug(vap, mac, op, reason); 1531 if (reason == IEEE80211_STATUS_SUCCESS) { 1532 IEEE80211_SEND_MGMT(ni, 1533 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1534 /* 1535 * For shared key auth, just continue the 1536 * exchange. Otherwise when 802.1x is not in 1537 * use mark the port authorized at this point 1538 * so traffic can flow. 1539 */ 1540 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1541 ni->ni_challenge == NULL) 1542 ieee80211_node_authorize(ni); 1543 } else { 1544 vap->iv_stats.is_rx_acl++; 1545 ieee80211_send_error(ni, ni->ni_macaddr, 1546 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1547 ieee80211_node_leave(ni); 1548 } 1549 ieee80211_free_node(ni); 1550 } else 1551 error = ENOENT; 1552 break; 1553 default: 1554 error = EINVAL; 1555 break; 1556 } 1557 return error; 1558 } 1559 1560 struct scanlookup { 1561 const uint8_t *mac; 1562 int esslen; 1563 const uint8_t *essid; 1564 const struct ieee80211_scan_entry *se; 1565 }; 1566 1567 /* 1568 * Match mac address and any ssid. 1569 */ 1570 static void 1571 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1572 { 1573 struct scanlookup *look = arg; 1574 1575 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1576 return; 1577 if (look->esslen != 0) { 1578 if (se->se_ssid[1] != look->esslen) 1579 return; 1580 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1581 return; 1582 } 1583 look->se = se; 1584 } 1585 1586 static int 1587 setmlme_assoc_sta(struct ieee80211vap *vap, 1588 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1589 const uint8_t ssid[IEEE80211_NWID_LEN]) 1590 { 1591 struct scanlookup lookup; 1592 1593 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1594 ("expected opmode STA not %s", 1595 ieee80211_opmode_name[vap->iv_opmode])); 1596 1597 /* NB: this is racey if roaming is !manual */ 1598 lookup.se = NULL; 1599 lookup.mac = mac; 1600 lookup.esslen = ssid_len; 1601 lookup.essid = ssid; 1602 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1603 if (lookup.se == NULL) 1604 return ENOENT; 1605 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1606 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1607 return EIO; /* XXX unique but could be better */ 1608 return 0; 1609 } 1610 1611 static int 1612 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1613 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1614 const uint8_t ssid[IEEE80211_NWID_LEN]) 1615 { 1616 struct ieee80211_scan_req *sr; 1617 int error; 1618 1619 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1620 vap->iv_opmode == IEEE80211_M_AHDEMO, 1621 ("expected opmode IBSS or AHDEMO not %s", 1622 ieee80211_opmode_name[vap->iv_opmode])); 1623 1624 if (ssid_len == 0) 1625 return EINVAL; 1626 1627 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1628 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1629 if (sr == NULL) 1630 return ENOMEM; 1631 1632 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1633 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1634 vap->iv_des_ssid[0].len = ssid_len; 1635 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1636 vap->iv_des_nssid = 1; 1637 1638 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1639 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1640 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1641 sr->sr_ssid[0].len = ssid_len; 1642 sr->sr_nssid = 1; 1643 1644 error = ieee80211_scanreq(vap, sr); 1645 1646 IEEE80211_FREE(sr, M_TEMP); 1647 return error; 1648 } 1649 1650 static int 1651 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1652 { 1653 struct ieee80211req_mlme mlme; 1654 int error; 1655 1656 if (ireq->i_len != sizeof(mlme)) 1657 return EINVAL; 1658 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1659 if (error) 1660 return error; 1661 if (vap->iv_opmode == IEEE80211_M_STA && 1662 mlme.im_op == IEEE80211_MLME_ASSOC) 1663 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1664 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1665 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1666 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1667 mlme.im_op == IEEE80211_MLME_ASSOC) 1668 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1669 mlme.im_ssid_len, mlme.im_ssid); 1670 else 1671 return setmlme_common(vap, mlme.im_op, 1672 mlme.im_macaddr, mlme.im_reason); 1673 } 1674 1675 static int 1676 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1677 { 1678 uint8_t mac[IEEE80211_ADDR_LEN]; 1679 const struct ieee80211_aclator *acl = vap->iv_acl; 1680 int error; 1681 1682 if (ireq->i_len != sizeof(mac)) 1683 return EINVAL; 1684 error = copyin(ireq->i_data, mac, ireq->i_len); 1685 if (error) 1686 return error; 1687 if (acl == NULL) { 1688 acl = ieee80211_aclator_get("mac"); 1689 if (acl == NULL || !acl->iac_attach(vap)) 1690 return EINVAL; 1691 vap->iv_acl = acl; 1692 } 1693 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1694 acl->iac_add(vap, mac); 1695 else 1696 acl->iac_remove(vap, mac); 1697 return 0; 1698 } 1699 1700 static int 1701 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1702 { 1703 const struct ieee80211_aclator *acl = vap->iv_acl; 1704 1705 switch (ireq->i_val) { 1706 case IEEE80211_MACCMD_POLICY_OPEN: 1707 case IEEE80211_MACCMD_POLICY_ALLOW: 1708 case IEEE80211_MACCMD_POLICY_DENY: 1709 case IEEE80211_MACCMD_POLICY_RADIUS: 1710 if (acl == NULL) { 1711 acl = ieee80211_aclator_get("mac"); 1712 if (acl == NULL || !acl->iac_attach(vap)) 1713 return EINVAL; 1714 vap->iv_acl = acl; 1715 } 1716 acl->iac_setpolicy(vap, ireq->i_val); 1717 break; 1718 case IEEE80211_MACCMD_FLUSH: 1719 if (acl != NULL) 1720 acl->iac_flush(vap); 1721 /* NB: silently ignore when not in use */ 1722 break; 1723 case IEEE80211_MACCMD_DETACH: 1724 if (acl != NULL) { 1725 vap->iv_acl = NULL; 1726 acl->iac_detach(vap); 1727 } 1728 break; 1729 default: 1730 if (acl == NULL) 1731 return EINVAL; 1732 else 1733 return acl->iac_setioctl(vap, ireq); 1734 } 1735 return 0; 1736 } 1737 1738 static int 1739 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1740 { 1741 struct ieee80211com *ic = vap->iv_ic; 1742 uint8_t *chanlist, *list; 1743 int i, nchan, maxchan, error; 1744 1745 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1746 ireq->i_len = sizeof(ic->ic_chan_active); 1747 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1748 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1749 if (list == NULL) 1750 return ENOMEM; 1751 error = copyin(ireq->i_data, list, ireq->i_len); 1752 if (error) { 1753 IEEE80211_FREE(list, M_TEMP); 1754 return error; 1755 } 1756 nchan = 0; 1757 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1758 maxchan = ireq->i_len * NBBY; 1759 for (i = 0; i < ic->ic_nchans; i++) { 1760 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1761 /* 1762 * Calculate the intersection of the user list and the 1763 * available channels so users can do things like specify 1764 * 1-255 to get all available channels. 1765 */ 1766 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1767 setbit(chanlist, c->ic_ieee); 1768 nchan++; 1769 } 1770 } 1771 if (nchan == 0) { 1772 IEEE80211_FREE(list, M_TEMP); 1773 return EINVAL; 1774 } 1775 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1776 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1777 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1778 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1779 ieee80211_scan_flush(vap); 1780 IEEE80211_FREE(list, M_TEMP); 1781 return ENETRESET; 1782 } 1783 1784 static int 1785 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1786 { 1787 struct ieee80211_node *ni; 1788 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1789 int error; 1790 1791 /* 1792 * NB: we could copyin ieee80211req_sta_stats so apps 1793 * could make selective changes but that's overkill; 1794 * just clear all stats for now. 1795 */ 1796 if (ireq->i_len < IEEE80211_ADDR_LEN) 1797 return EINVAL; 1798 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1799 if (error != 0) 1800 return error; 1801 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1802 if (ni == NULL) 1803 return ENOENT; 1804 /* XXX require ni_vap == vap? */ 1805 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1806 ieee80211_free_node(ni); 1807 return 0; 1808 } 1809 1810 static int 1811 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1812 { 1813 struct ieee80211_node *ni; 1814 struct ieee80211req_sta_txpow txpow; 1815 int error; 1816 1817 if (ireq->i_len != sizeof(txpow)) 1818 return EINVAL; 1819 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1820 if (error != 0) 1821 return error; 1822 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1823 if (ni == NULL) 1824 return ENOENT; 1825 ni->ni_txpower = txpow.it_txpow; 1826 ieee80211_free_node(ni); 1827 return error; 1828 } 1829 1830 static int 1831 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1832 { 1833 struct ieee80211com *ic = vap->iv_ic; 1834 struct ieee80211_wme_state *wme = &ic->ic_wme; 1835 struct wmeParams *wmep, *chanp; 1836 int isbss, ac, aggrmode; 1837 1838 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1839 return EOPNOTSUPP; 1840 1841 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1842 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1843 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1844 if (ac >= WME_NUM_AC) 1845 ac = WME_AC_BE; 1846 if (isbss) { 1847 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1848 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1849 } else { 1850 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1851 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1852 } 1853 switch (ireq->i_type) { 1854 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1855 wmep->wmep_logcwmin = ireq->i_val; 1856 if (!isbss || !aggrmode) 1857 chanp->wmep_logcwmin = ireq->i_val; 1858 break; 1859 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1860 wmep->wmep_logcwmax = ireq->i_val; 1861 if (!isbss || !aggrmode) 1862 chanp->wmep_logcwmax = ireq->i_val; 1863 break; 1864 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1865 wmep->wmep_aifsn = ireq->i_val; 1866 if (!isbss || !aggrmode) 1867 chanp->wmep_aifsn = ireq->i_val; 1868 break; 1869 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1870 wmep->wmep_txopLimit = ireq->i_val; 1871 if (!isbss || !aggrmode) 1872 chanp->wmep_txopLimit = ireq->i_val; 1873 break; 1874 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1875 wmep->wmep_acm = ireq->i_val; 1876 if (!aggrmode) 1877 chanp->wmep_acm = ireq->i_val; 1878 break; 1879 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1880 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1881 (ireq->i_val) == 0; 1882 break; 1883 } 1884 ieee80211_wme_updateparams(vap); 1885 return 0; 1886 } 1887 1888 static int 1889 find11gchannel(struct ieee80211com *ic, int start, int freq) 1890 { 1891 const struct ieee80211_channel *c; 1892 int i; 1893 1894 for (i = start+1; i < ic->ic_nchans; i++) { 1895 c = &ic->ic_channels[i]; 1896 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1897 return 1; 1898 } 1899 /* NB: should not be needed but in case things are mis-sorted */ 1900 for (i = 0; i < start; i++) { 1901 c = &ic->ic_channels[i]; 1902 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1903 return 1; 1904 } 1905 return 0; 1906 } 1907 1908 static struct ieee80211_channel * 1909 findchannel(struct ieee80211com *ic, int ieee, int mode) 1910 { 1911 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1912 [IEEE80211_MODE_AUTO] = 0, 1913 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1914 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1915 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1916 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1917 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1918 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1919 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1920 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1921 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1922 /* NB: handled specially below */ 1923 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1924 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1925 [IEEE80211_MODE_VHT_5GHZ] = IEEE80211_CHAN_A, 1926 [IEEE80211_MODE_VHT_2GHZ] = IEEE80211_CHAN_G, 1927 }; 1928 u_int modeflags; 1929 int i; 1930 1931 modeflags = chanflags[mode]; 1932 for (i = 0; i < ic->ic_nchans; i++) { 1933 struct ieee80211_channel *c = &ic->ic_channels[i]; 1934 1935 if (c->ic_ieee != ieee) 1936 continue; 1937 if (mode == IEEE80211_MODE_AUTO) { 1938 /* ignore turbo channels for autoselect */ 1939 if (IEEE80211_IS_CHAN_TURBO(c)) 1940 continue; 1941 /* 1942 * XXX special-case 11b/g channels so we 1943 * always select the g channel if both 1944 * are present. 1945 * XXX prefer HT to non-HT? 1946 */ 1947 if (!IEEE80211_IS_CHAN_B(c) || 1948 !find11gchannel(ic, i, c->ic_freq)) 1949 return c; 1950 } else { 1951 /* must check VHT specifically */ 1952 if ((mode == IEEE80211_MODE_VHT_5GHZ || 1953 mode == IEEE80211_MODE_VHT_2GHZ) && 1954 !IEEE80211_IS_CHAN_VHT(c)) 1955 continue; 1956 1957 /* 1958 * Must check HT specially - only match on HT, 1959 * not HT+VHT channels 1960 */ 1961 if ((mode == IEEE80211_MODE_11NA || 1962 mode == IEEE80211_MODE_11NG) && 1963 !IEEE80211_IS_CHAN_HT(c)) 1964 continue; 1965 1966 if ((mode == IEEE80211_MODE_11NA || 1967 mode == IEEE80211_MODE_11NG) && 1968 IEEE80211_IS_CHAN_VHT(c)) 1969 continue; 1970 1971 /* Check that the modeflags above match */ 1972 if ((c->ic_flags & modeflags) == modeflags) 1973 return c; 1974 } 1975 } 1976 return NULL; 1977 } 1978 1979 /* 1980 * Check the specified against any desired mode (aka netband). 1981 * This is only used (presently) when operating in hostap mode 1982 * to enforce consistency. 1983 */ 1984 static int 1985 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1986 { 1987 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1988 1989 switch (mode) { 1990 case IEEE80211_MODE_11B: 1991 return (IEEE80211_IS_CHAN_B(c)); 1992 case IEEE80211_MODE_11G: 1993 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1994 case IEEE80211_MODE_11A: 1995 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1996 case IEEE80211_MODE_STURBO_A: 1997 return (IEEE80211_IS_CHAN_STURBO(c)); 1998 case IEEE80211_MODE_11NA: 1999 return (IEEE80211_IS_CHAN_HTA(c)); 2000 case IEEE80211_MODE_11NG: 2001 return (IEEE80211_IS_CHAN_HTG(c)); 2002 } 2003 return 1; 2004 2005 } 2006 2007 /* 2008 * Common code to set the current channel. If the device 2009 * is up and running this may result in an immediate channel 2010 * change or a kick of the state machine. 2011 */ 2012 static int 2013 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 2014 { 2015 struct ieee80211com *ic = vap->iv_ic; 2016 int error; 2017 2018 if (c != IEEE80211_CHAN_ANYC) { 2019 if (IEEE80211_IS_CHAN_RADAR(c)) 2020 return EBUSY; /* XXX better code? */ 2021 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 2022 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 2023 return EINVAL; 2024 if (!check_mode_consistency(c, vap->iv_des_mode)) 2025 return EINVAL; 2026 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 2027 if (IEEE80211_IS_CHAN_NOADHOC(c)) 2028 return EINVAL; 2029 } 2030 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 2031 vap->iv_bss->ni_chan == c) 2032 return 0; /* NB: nothing to do */ 2033 } 2034 vap->iv_des_chan = c; 2035 2036 error = 0; 2037 if (vap->iv_opmode == IEEE80211_M_MONITOR && 2038 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2039 /* 2040 * Monitor mode can switch directly. 2041 */ 2042 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 2043 /* XXX need state machine for other vap's to follow */ 2044 ieee80211_setcurchan(ic, vap->iv_des_chan); 2045 vap->iv_bss->ni_chan = ic->ic_curchan; 2046 } else { 2047 ic->ic_curchan = vap->iv_des_chan; 2048 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2049 } 2050 } else { 2051 /* 2052 * Need to go through the state machine in case we 2053 * need to reassociate or the like. The state machine 2054 * will pickup the desired channel and avoid scanning. 2055 */ 2056 if (IS_UP_AUTO(vap)) 2057 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2058 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2059 /* 2060 * When not up+running and a real channel has 2061 * been specified fix the current channel so 2062 * there is immediate feedback; e.g. via ifconfig. 2063 */ 2064 ic->ic_curchan = vap->iv_des_chan; 2065 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2066 } 2067 } 2068 return error; 2069 } 2070 2071 /* 2072 * Old api for setting the current channel; this is 2073 * deprecated because channel numbers are ambiguous. 2074 */ 2075 static int 2076 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2077 const struct ieee80211req *ireq) 2078 { 2079 struct ieee80211com *ic = vap->iv_ic; 2080 struct ieee80211_channel *c; 2081 2082 /* XXX 0xffff overflows 16-bit signed */ 2083 if (ireq->i_val == 0 || 2084 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2085 c = IEEE80211_CHAN_ANYC; 2086 } else { 2087 struct ieee80211_channel *c2; 2088 2089 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2090 if (c == NULL) { 2091 c = findchannel(ic, ireq->i_val, 2092 IEEE80211_MODE_AUTO); 2093 if (c == NULL) 2094 return EINVAL; 2095 } 2096 2097 /* 2098 * Fine tune channel selection based on desired mode: 2099 * if 11b is requested, find the 11b version of any 2100 * 11g channel returned, 2101 * if static turbo, find the turbo version of any 2102 * 11a channel return, 2103 * if 11na is requested, find the ht version of any 2104 * 11a channel returned, 2105 * if 11ng is requested, find the ht version of any 2106 * 11g channel returned, 2107 * if 11ac is requested, find the 11ac version 2108 * of any 11a/11na channel returned, 2109 * (TBD) 11acg (2GHz VHT) 2110 * otherwise we should be ok with what we've got. 2111 */ 2112 switch (vap->iv_des_mode) { 2113 case IEEE80211_MODE_11B: 2114 if (IEEE80211_IS_CHAN_ANYG(c)) { 2115 c2 = findchannel(ic, ireq->i_val, 2116 IEEE80211_MODE_11B); 2117 /* NB: should not happen, =>'s 11g w/o 11b */ 2118 if (c2 != NULL) 2119 c = c2; 2120 } 2121 break; 2122 case IEEE80211_MODE_TURBO_A: 2123 if (IEEE80211_IS_CHAN_A(c)) { 2124 c2 = findchannel(ic, ireq->i_val, 2125 IEEE80211_MODE_TURBO_A); 2126 if (c2 != NULL) 2127 c = c2; 2128 } 2129 break; 2130 case IEEE80211_MODE_11NA: 2131 if (IEEE80211_IS_CHAN_A(c)) { 2132 c2 = findchannel(ic, ireq->i_val, 2133 IEEE80211_MODE_11NA); 2134 if (c2 != NULL) 2135 c = c2; 2136 } 2137 break; 2138 case IEEE80211_MODE_11NG: 2139 if (IEEE80211_IS_CHAN_ANYG(c)) { 2140 c2 = findchannel(ic, ireq->i_val, 2141 IEEE80211_MODE_11NG); 2142 if (c2 != NULL) 2143 c = c2; 2144 } 2145 break; 2146 case IEEE80211_MODE_VHT_2GHZ: 2147 printf("%s: TBD\n", __func__); 2148 break; 2149 case IEEE80211_MODE_VHT_5GHZ: 2150 if (IEEE80211_IS_CHAN_A(c)) { 2151 c2 = findchannel(ic, ireq->i_val, 2152 IEEE80211_MODE_VHT_5GHZ); 2153 if (c2 != NULL) 2154 c = c2; 2155 } 2156 break; 2157 default: /* NB: no static turboG */ 2158 break; 2159 } 2160 } 2161 return setcurchan(vap, c); 2162 } 2163 2164 /* 2165 * New/current api for setting the current channel; a complete 2166 * channel description is provide so there is no ambiguity in 2167 * identifying the channel. 2168 */ 2169 static int 2170 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2171 const struct ieee80211req *ireq) 2172 { 2173 struct ieee80211com *ic = vap->iv_ic; 2174 struct ieee80211_channel chan, *c; 2175 int error; 2176 2177 if (ireq->i_len != sizeof(chan)) 2178 return EINVAL; 2179 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2180 if (error != 0) 2181 return error; 2182 2183 /* XXX 0xffff overflows 16-bit signed */ 2184 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2185 c = IEEE80211_CHAN_ANYC; 2186 } else { 2187 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2188 if (c == NULL) 2189 return EINVAL; 2190 } 2191 return setcurchan(vap, c); 2192 } 2193 2194 static int 2195 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2196 const struct ieee80211req *ireq) 2197 { 2198 struct ieee80211_regdomain_req *reg; 2199 int nchans, error; 2200 2201 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2202 sizeof(struct ieee80211_channel)); 2203 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2204 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2205 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2206 ireq->i_len, nchans); 2207 return EINVAL; 2208 } 2209 reg = (struct ieee80211_regdomain_req *) 2210 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2211 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2212 if (reg == NULL) { 2213 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2214 "%s: no memory, nchans %d\n", __func__, nchans); 2215 return ENOMEM; 2216 } 2217 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2218 if (error == 0) { 2219 /* NB: validate inline channel count against storage size */ 2220 if (reg->chaninfo.ic_nchans != nchans) { 2221 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2222 "%s: chan cnt mismatch, %d != %d\n", __func__, 2223 reg->chaninfo.ic_nchans, nchans); 2224 error = EINVAL; 2225 } else 2226 error = ieee80211_setregdomain(vap, reg); 2227 } 2228 IEEE80211_FREE(reg, M_TEMP); 2229 2230 return (error == 0 ? ENETRESET : error); 2231 } 2232 2233 static int 2234 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2235 const struct ieee80211req *ireq) 2236 { 2237 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2238 return EINVAL; 2239 /* XXX validate params */ 2240 /* XXX? ENETRESET to push to device? */ 2241 return copyin(ireq->i_data, vap->iv_roamparms, 2242 sizeof(vap->iv_roamparms)); 2243 } 2244 2245 static int 2246 checkrate(const struct ieee80211_rateset *rs, int rate) 2247 { 2248 int i; 2249 2250 if (rate == IEEE80211_FIXED_RATE_NONE) 2251 return 1; 2252 for (i = 0; i < rs->rs_nrates; i++) 2253 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2254 return 1; 2255 return 0; 2256 } 2257 2258 static int 2259 checkmcs(const struct ieee80211_htrateset *rs, int mcs) 2260 { 2261 int rate_val = IEEE80211_RV(mcs); 2262 int i; 2263 2264 if (mcs == IEEE80211_FIXED_RATE_NONE) 2265 return 1; 2266 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2267 return 0; 2268 for (i = 0; i < rs->rs_nrates; i++) 2269 if (IEEE80211_RV(rs->rs_rates[i]) == rate_val) 2270 return 1; 2271 return 0; 2272 } 2273 2274 static int 2275 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2276 const struct ieee80211req *ireq) 2277 { 2278 struct ieee80211com *ic = vap->iv_ic; 2279 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2280 struct ieee80211_txparam *src, *dst; 2281 const struct ieee80211_htrateset *rs_ht; 2282 const struct ieee80211_rateset *rs; 2283 int error, mode, changed, is11n, nmodes; 2284 2285 /* NB: accept short requests for backwards compat */ 2286 if (ireq->i_len > sizeof(parms)) 2287 return EINVAL; 2288 error = copyin(ireq->i_data, &parms, ireq->i_len); 2289 if (error != 0) 2290 return error; 2291 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2292 changed = 0; 2293 /* validate parameters and check if anything changed */ 2294 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2295 if (isclr(ic->ic_modecaps, mode)) 2296 continue; 2297 src = &parms.params[mode]; 2298 dst = &vap->iv_txparms[mode]; 2299 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2300 rs_ht = &ic->ic_sup_htrates; 2301 is11n = (mode == IEEE80211_MODE_11NA || 2302 mode == IEEE80211_MODE_11NG); 2303 if (src->ucastrate != dst->ucastrate) { 2304 if (!checkrate(rs, src->ucastrate) && 2305 (!is11n || !checkmcs(rs_ht, src->ucastrate))) 2306 return EINVAL; 2307 changed++; 2308 } 2309 if (src->mcastrate != dst->mcastrate) { 2310 if (!checkrate(rs, src->mcastrate) && 2311 (!is11n || !checkmcs(rs_ht, src->mcastrate))) 2312 return EINVAL; 2313 changed++; 2314 } 2315 if (src->mgmtrate != dst->mgmtrate) { 2316 if (!checkrate(rs, src->mgmtrate) && 2317 (!is11n || !checkmcs(rs_ht, src->mgmtrate))) 2318 return EINVAL; 2319 changed++; 2320 } 2321 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2322 changed++; 2323 } 2324 if (changed) { 2325 /* 2326 * Copy new parameters in place and notify the 2327 * driver so it can push state to the device. 2328 */ 2329 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2330 if (isset(ic->ic_modecaps, mode)) 2331 vap->iv_txparms[mode] = parms.params[mode]; 2332 } 2333 /* XXX could be more intelligent, 2334 e.g. don't reset if setting not being used */ 2335 return ENETRESET; 2336 } 2337 return 0; 2338 } 2339 2340 /* 2341 * Application Information Element support. 2342 */ 2343 static int 2344 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2345 { 2346 struct ieee80211_appie *app = *aie; 2347 struct ieee80211_appie *napp; 2348 int error; 2349 2350 if (ireq->i_len == 0) { /* delete any existing ie */ 2351 if (app != NULL) { 2352 *aie = NULL; /* XXX racey */ 2353 IEEE80211_FREE(app, M_80211_NODE_IE); 2354 } 2355 return 0; 2356 } 2357 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2358 return EINVAL; 2359 /* 2360 * Allocate a new appie structure and copy in the user data. 2361 * When done swap in the new structure. Note that we do not 2362 * guard against users holding a ref to the old structure; 2363 * this must be handled outside this code. 2364 * 2365 * XXX bad bad bad 2366 */ 2367 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2368 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2369 IEEE80211_M_NOWAIT); 2370 if (napp == NULL) 2371 return ENOMEM; 2372 /* XXX holding ic lock */ 2373 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2374 if (error) { 2375 IEEE80211_FREE(napp, M_80211_NODE_IE); 2376 return error; 2377 } 2378 napp->ie_len = ireq->i_len; 2379 *aie = napp; 2380 if (app != NULL) 2381 IEEE80211_FREE(app, M_80211_NODE_IE); 2382 return 0; 2383 } 2384 2385 static void 2386 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2387 { 2388 /* validate data is present as best we can */ 2389 if (space == 0 || 2+ie[1] > space) 2390 return; 2391 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2392 vap->iv_wpa_ie = ie; 2393 else if (ie[0] == IEEE80211_ELEMID_RSN) 2394 vap->iv_rsn_ie = ie; 2395 } 2396 2397 static int 2398 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2399 const struct ieee80211req *ireq, int fc0) 2400 { 2401 int error; 2402 2403 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2404 2405 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2406 case IEEE80211_FC0_SUBTYPE_BEACON: 2407 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2408 vap->iv_opmode != IEEE80211_M_IBSS) { 2409 error = EINVAL; 2410 break; 2411 } 2412 error = setappie(&vap->iv_appie_beacon, ireq); 2413 if (error == 0) 2414 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2415 break; 2416 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2417 error = setappie(&vap->iv_appie_proberesp, ireq); 2418 break; 2419 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2420 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2421 error = setappie(&vap->iv_appie_assocresp, ireq); 2422 else 2423 error = EINVAL; 2424 break; 2425 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2426 error = setappie(&vap->iv_appie_probereq, ireq); 2427 break; 2428 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2429 if (vap->iv_opmode == IEEE80211_M_STA) 2430 error = setappie(&vap->iv_appie_assocreq, ireq); 2431 else 2432 error = EINVAL; 2433 break; 2434 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2435 error = setappie(&vap->iv_appie_wpa, ireq); 2436 if (error == 0) { 2437 /* 2438 * Must split single blob of data into separate 2439 * WPA and RSN ie's because they go in different 2440 * locations in the mgt frames. 2441 * XXX use IEEE80211_IOC_WPA2 so user code does split 2442 */ 2443 vap->iv_wpa_ie = NULL; 2444 vap->iv_rsn_ie = NULL; 2445 if (vap->iv_appie_wpa != NULL) { 2446 struct ieee80211_appie *appie = 2447 vap->iv_appie_wpa; 2448 uint8_t *data = appie->ie_data; 2449 2450 /* XXX ie length validate is painful, cheat */ 2451 setwparsnie(vap, data, appie->ie_len); 2452 setwparsnie(vap, data + 2 + data[1], 2453 appie->ie_len - (2 + data[1])); 2454 } 2455 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2456 vap->iv_opmode == IEEE80211_M_IBSS) { 2457 /* 2458 * Must rebuild beacon frame as the update 2459 * mechanism doesn't handle WPA/RSN ie's. 2460 * Could extend it but it doesn't normally 2461 * change; this is just to deal with hostapd 2462 * plumbing the ie after the interface is up. 2463 */ 2464 error = ENETRESET; 2465 } 2466 } 2467 break; 2468 default: 2469 error = EINVAL; 2470 break; 2471 } 2472 return error; 2473 } 2474 2475 static int 2476 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2477 const struct ieee80211req *ireq) 2478 { 2479 struct ieee80211com *ic = vap->iv_ic; 2480 int error; 2481 uint8_t fc0; 2482 2483 fc0 = ireq->i_val & 0xff; 2484 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2485 return EINVAL; 2486 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2487 IEEE80211_LOCK(ic); 2488 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2489 IEEE80211_UNLOCK(ic); 2490 return error; 2491 } 2492 2493 static int 2494 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2495 { 2496 struct ieee80211com *ic = vap->iv_ic; 2497 struct ieee80211_chanswitch_req csr; 2498 struct ieee80211_channel *c; 2499 int error; 2500 2501 if (ireq->i_len != sizeof(csr)) 2502 return EINVAL; 2503 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2504 if (error != 0) 2505 return error; 2506 /* XXX adhoc mode not supported */ 2507 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2508 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2509 return EOPNOTSUPP; 2510 c = ieee80211_find_channel(ic, 2511 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2512 if (c == NULL) 2513 return ENOENT; 2514 IEEE80211_LOCK(ic); 2515 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2516 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2517 else if (csr.csa_count == 0) 2518 ieee80211_csa_cancelswitch(ic); 2519 else 2520 error = EBUSY; 2521 IEEE80211_UNLOCK(ic); 2522 return error; 2523 } 2524 2525 static int 2526 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2527 { 2528 #define IEEE80211_IOC_SCAN_FLAGS \ 2529 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2530 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2531 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2532 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2533 IEEE80211_IOC_SCAN_CHECK) 2534 struct ieee80211com *ic = vap->iv_ic; 2535 int error, i; 2536 2537 /* convert duration */ 2538 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2539 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2540 else { 2541 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2542 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2543 return EINVAL; 2544 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2545 if (sr->sr_duration < 1) 2546 sr->sr_duration = 1; 2547 } 2548 /* convert min/max channel dwell */ 2549 if (sr->sr_mindwell != 0) { 2550 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2551 if (sr->sr_mindwell < 1) 2552 sr->sr_mindwell = 1; 2553 } 2554 if (sr->sr_maxdwell != 0) { 2555 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2556 if (sr->sr_maxdwell < 1) 2557 sr->sr_maxdwell = 1; 2558 } 2559 /* NB: silently reduce ssid count to what is supported */ 2560 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2561 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2562 for (i = 0; i < sr->sr_nssid; i++) 2563 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2564 return EINVAL; 2565 /* cleanse flags just in case, could reject if invalid flags */ 2566 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2567 /* 2568 * Add an implicit NOPICK if the vap is not marked UP. This 2569 * allows applications to scan without joining a bss (or picking 2570 * a channel and setting up a bss) and without forcing manual 2571 * roaming mode--you just need to mark the parent device UP. 2572 */ 2573 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2574 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2575 2576 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2577 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2578 __func__, sr->sr_flags, 2579 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2580 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2581 /* 2582 * If we are in INIT state then the driver has never had a chance 2583 * to setup hardware state to do a scan; we must use the state 2584 * machine to get us up to the SCAN state but once we reach SCAN 2585 * state we then want to use the supplied params. Stash the 2586 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2587 * state machines will recognize this and use the stashed params 2588 * to issue the scan request. 2589 * 2590 * Otherwise just invoke the scan machinery directly. 2591 */ 2592 IEEE80211_LOCK(ic); 2593 if (ic->ic_nrunning == 0) { 2594 IEEE80211_UNLOCK(ic); 2595 return ENXIO; 2596 } 2597 2598 if (vap->iv_state == IEEE80211_S_INIT) { 2599 /* NB: clobbers previous settings */ 2600 vap->iv_scanreq_flags = sr->sr_flags; 2601 vap->iv_scanreq_duration = sr->sr_duration; 2602 vap->iv_scanreq_nssid = sr->sr_nssid; 2603 for (i = 0; i < sr->sr_nssid; i++) { 2604 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2605 memcpy(vap->iv_scanreq_ssid[i].ssid, 2606 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2607 } 2608 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2609 IEEE80211_UNLOCK(ic); 2610 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2611 } else { 2612 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2613 IEEE80211_UNLOCK(ic); 2614 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2615 error = ieee80211_check_scan(vap, sr->sr_flags, 2616 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2617 sr->sr_nssid, 2618 /* NB: cheat, we assume structures are compatible */ 2619 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2620 } else { 2621 error = ieee80211_start_scan(vap, sr->sr_flags, 2622 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2623 sr->sr_nssid, 2624 /* NB: cheat, we assume structures are compatible */ 2625 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2626 } 2627 if (error == 0) 2628 return EINPROGRESS; 2629 } 2630 return 0; 2631 #undef IEEE80211_IOC_SCAN_FLAGS 2632 } 2633 2634 static int 2635 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2636 { 2637 struct ieee80211_scan_req *sr; 2638 int error; 2639 2640 if (ireq->i_len != sizeof(*sr)) 2641 return EINVAL; 2642 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2643 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2644 if (sr == NULL) 2645 return ENOMEM; 2646 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2647 if (error != 0) 2648 goto bad; 2649 error = ieee80211_scanreq(vap, sr); 2650 bad: 2651 IEEE80211_FREE(sr, M_TEMP); 2652 return error; 2653 } 2654 2655 static int 2656 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2657 { 2658 struct ieee80211_node *ni; 2659 struct ieee80211req_sta_vlan vlan; 2660 int error; 2661 2662 if (ireq->i_len != sizeof(vlan)) 2663 return EINVAL; 2664 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2665 if (error != 0) 2666 return error; 2667 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2668 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2669 vlan.sv_macaddr); 2670 if (ni == NULL) 2671 return ENOENT; 2672 } else 2673 ni = ieee80211_ref_node(vap->iv_bss); 2674 ni->ni_vlan = vlan.sv_vlan; 2675 ieee80211_free_node(ni); 2676 return error; 2677 } 2678 2679 static int 2680 isvap11g(const struct ieee80211vap *vap) 2681 { 2682 const struct ieee80211_node *bss = vap->iv_bss; 2683 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2684 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2685 } 2686 2687 static int 2688 isvapht(const struct ieee80211vap *vap) 2689 { 2690 const struct ieee80211_node *bss = vap->iv_bss; 2691 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2692 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2693 } 2694 2695 /* 2696 * Dummy ioctl set handler so the linker set is defined. 2697 */ 2698 static __unused int 2699 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2700 { 2701 return ENOSYS; 2702 } 2703 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2704 2705 static int 2706 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2707 { 2708 #ifdef notyet 2709 ieee80211_ioctl_setfunc * const *set; 2710 int error; 2711 2712 SET_FOREACH(set, ieee80211_ioctl_setset) { 2713 error = (*set)(vap, ireq); 2714 if (error != ENOSYS) 2715 return error; 2716 } 2717 #else 2718 printf ("ieee80211_ioctl_setdefault called\n"); 2719 #endif 2720 return EINVAL; 2721 } 2722 2723 static int 2724 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2725 { 2726 struct ieee80211com *ic = vap->iv_ic; 2727 int error; 2728 const struct ieee80211_authenticator *auth; 2729 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2730 char tmpssid[IEEE80211_NWID_LEN]; 2731 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2732 struct ieee80211_key *k; 2733 u_int kid; 2734 uint32_t flags; 2735 2736 error = 0; 2737 switch (ireq->i_type) { 2738 case IEEE80211_IOC_SSID: 2739 if (ireq->i_val != 0 || 2740 ireq->i_len > IEEE80211_NWID_LEN) 2741 return EINVAL; 2742 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2743 if (error) 2744 break; 2745 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2746 vap->iv_des_ssid[0].len = ireq->i_len; 2747 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2748 vap->iv_des_nssid = (ireq->i_len > 0); 2749 error = ENETRESET; 2750 break; 2751 case IEEE80211_IOC_WEP: 2752 switch (ireq->i_val) { 2753 case IEEE80211_WEP_OFF: 2754 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2755 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2756 break; 2757 case IEEE80211_WEP_ON: 2758 vap->iv_flags |= IEEE80211_F_PRIVACY; 2759 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2760 break; 2761 case IEEE80211_WEP_MIXED: 2762 vap->iv_flags |= IEEE80211_F_PRIVACY; 2763 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2764 break; 2765 } 2766 error = ENETRESET; 2767 break; 2768 case IEEE80211_IOC_WEPKEY: 2769 kid = (u_int) ireq->i_val; 2770 if (kid >= IEEE80211_WEP_NKID) 2771 return EINVAL; 2772 k = &vap->iv_nw_keys[kid]; 2773 if (ireq->i_len == 0) { 2774 /* zero-len =>'s delete any existing key */ 2775 (void) ieee80211_crypto_delkey(vap, k); 2776 break; 2777 } 2778 if (ireq->i_len > sizeof(tmpkey)) 2779 return EINVAL; 2780 memset(tmpkey, 0, sizeof(tmpkey)); 2781 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2782 if (error) 2783 break; 2784 ieee80211_key_update_begin(vap); 2785 k->wk_keyix = kid; /* NB: force fixed key id */ 2786 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2787 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2788 k->wk_keylen = ireq->i_len; 2789 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2790 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2791 if (!ieee80211_crypto_setkey(vap, k)) 2792 error = EINVAL; 2793 } else 2794 error = EINVAL; 2795 ieee80211_key_update_end(vap); 2796 break; 2797 case IEEE80211_IOC_WEPTXKEY: 2798 kid = (u_int) ireq->i_val; 2799 if (kid >= IEEE80211_WEP_NKID && 2800 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2801 return EINVAL; 2802 /* 2803 * Firmware devices may need to be told about an explicit 2804 * key index here, versus just inferring it from the 2805 * key set / change. Since we may also need to pause 2806 * things like transmit before the key is updated, 2807 * give the driver a chance to flush things by tying 2808 * into key update begin/end. 2809 */ 2810 ieee80211_key_update_begin(vap); 2811 ieee80211_crypto_set_deftxkey(vap, kid); 2812 ieee80211_key_update_end(vap); 2813 break; 2814 case IEEE80211_IOC_AUTHMODE: 2815 switch (ireq->i_val) { 2816 case IEEE80211_AUTH_WPA: 2817 case IEEE80211_AUTH_8021X: /* 802.1x */ 2818 case IEEE80211_AUTH_OPEN: /* open */ 2819 case IEEE80211_AUTH_SHARED: /* shared-key */ 2820 case IEEE80211_AUTH_AUTO: /* auto */ 2821 auth = ieee80211_authenticator_get(ireq->i_val); 2822 if (auth == NULL) 2823 return EINVAL; 2824 break; 2825 default: 2826 return EINVAL; 2827 } 2828 switch (ireq->i_val) { 2829 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2830 vap->iv_flags |= IEEE80211_F_PRIVACY; 2831 ireq->i_val = IEEE80211_AUTH_8021X; 2832 break; 2833 case IEEE80211_AUTH_OPEN: /* open */ 2834 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2835 break; 2836 case IEEE80211_AUTH_SHARED: /* shared-key */ 2837 case IEEE80211_AUTH_8021X: /* 802.1x */ 2838 vap->iv_flags &= ~IEEE80211_F_WPA; 2839 /* both require a key so mark the PRIVACY capability */ 2840 vap->iv_flags |= IEEE80211_F_PRIVACY; 2841 break; 2842 case IEEE80211_AUTH_AUTO: /* auto */ 2843 vap->iv_flags &= ~IEEE80211_F_WPA; 2844 /* XXX PRIVACY handling? */ 2845 /* XXX what's the right way to do this? */ 2846 break; 2847 } 2848 /* NB: authenticator attach/detach happens on state change */ 2849 vap->iv_bss->ni_authmode = ireq->i_val; 2850 /* XXX mixed/mode/usage? */ 2851 vap->iv_auth = auth; 2852 error = ENETRESET; 2853 break; 2854 case IEEE80211_IOC_CHANNEL: 2855 error = ieee80211_ioctl_setchannel(vap, ireq); 2856 break; 2857 case IEEE80211_IOC_POWERSAVE: 2858 switch (ireq->i_val) { 2859 case IEEE80211_POWERSAVE_OFF: 2860 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2861 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2862 error = ERESTART; 2863 } 2864 break; 2865 case IEEE80211_POWERSAVE_ON: 2866 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2867 error = EOPNOTSUPP; 2868 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2869 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2870 error = ERESTART; 2871 } 2872 break; 2873 default: 2874 error = EINVAL; 2875 break; 2876 } 2877 break; 2878 case IEEE80211_IOC_POWERSAVESLEEP: 2879 if (ireq->i_val < 0) 2880 return EINVAL; 2881 ic->ic_lintval = ireq->i_val; 2882 error = ERESTART; 2883 break; 2884 case IEEE80211_IOC_RTSTHRESHOLD: 2885 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2886 ireq->i_val <= IEEE80211_RTS_MAX)) 2887 return EINVAL; 2888 vap->iv_rtsthreshold = ireq->i_val; 2889 error = ERESTART; 2890 break; 2891 case IEEE80211_IOC_PROTMODE: 2892 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2893 return EINVAL; 2894 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val; 2895 /* NB: if not operating in 11g this can wait */ 2896 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2897 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2898 error = ERESTART; 2899 break; 2900 case IEEE80211_IOC_TXPOWER: 2901 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2902 return EOPNOTSUPP; 2903 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2904 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2905 return EINVAL; 2906 ic->ic_txpowlimit = ireq->i_val; 2907 error = ERESTART; 2908 break; 2909 case IEEE80211_IOC_ROAMING: 2910 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2911 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2912 return EINVAL; 2913 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2914 /* XXXX reset? */ 2915 break; 2916 case IEEE80211_IOC_PRIVACY: 2917 if (ireq->i_val) { 2918 /* XXX check for key state? */ 2919 vap->iv_flags |= IEEE80211_F_PRIVACY; 2920 } else 2921 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2922 /* XXX ERESTART? */ 2923 break; 2924 case IEEE80211_IOC_DROPUNENCRYPTED: 2925 if (ireq->i_val) 2926 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2927 else 2928 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2929 /* XXX ERESTART? */ 2930 break; 2931 case IEEE80211_IOC_WPAKEY: 2932 error = ieee80211_ioctl_setkey(vap, ireq); 2933 break; 2934 case IEEE80211_IOC_DELKEY: 2935 error = ieee80211_ioctl_delkey(vap, ireq); 2936 break; 2937 case IEEE80211_IOC_MLME: 2938 error = ieee80211_ioctl_setmlme(vap, ireq); 2939 break; 2940 case IEEE80211_IOC_COUNTERMEASURES: 2941 if (ireq->i_val) { 2942 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2943 return EOPNOTSUPP; 2944 vap->iv_flags |= IEEE80211_F_COUNTERM; 2945 } else 2946 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2947 /* XXX ERESTART? */ 2948 break; 2949 case IEEE80211_IOC_WPA: 2950 if (ireq->i_val > 3) 2951 return EINVAL; 2952 /* XXX verify ciphers available */ 2953 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2954 switch (ireq->i_val) { 2955 case 0: 2956 /* wpa_supplicant calls this to clear the WPA config */ 2957 break; 2958 case 1: 2959 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2960 return EOPNOTSUPP; 2961 flags |= IEEE80211_F_WPA1; 2962 break; 2963 case 2: 2964 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2965 return EOPNOTSUPP; 2966 flags |= IEEE80211_F_WPA2; 2967 break; 2968 case 3: 2969 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2970 return EOPNOTSUPP; 2971 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2972 break; 2973 default: /* Can't set any -> error */ 2974 return EOPNOTSUPP; 2975 } 2976 vap->iv_flags = flags; 2977 error = ERESTART; /* NB: can change beacon frame */ 2978 break; 2979 case IEEE80211_IOC_WME: 2980 if (ireq->i_val) { 2981 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2982 return EOPNOTSUPP; 2983 ieee80211_syncflag(vap, IEEE80211_F_WME); 2984 } else 2985 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2986 error = ERESTART; /* NB: can change beacon frame */ 2987 break; 2988 case IEEE80211_IOC_HIDESSID: 2989 if (ireq->i_val) 2990 vap->iv_flags |= IEEE80211_F_HIDESSID; 2991 else 2992 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2993 error = ERESTART; /* XXX ENETRESET? */ 2994 break; 2995 case IEEE80211_IOC_APBRIDGE: 2996 if (ireq->i_val == 0) 2997 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2998 else 2999 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 3000 break; 3001 case IEEE80211_IOC_BSSID: 3002 if (ireq->i_len != sizeof(tmpbssid)) 3003 return EINVAL; 3004 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 3005 if (error) 3006 break; 3007 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 3008 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 3009 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 3010 else 3011 vap->iv_flags |= IEEE80211_F_DESBSSID; 3012 error = ENETRESET; 3013 break; 3014 case IEEE80211_IOC_CHANLIST: 3015 error = ieee80211_ioctl_setchanlist(vap, ireq); 3016 break; 3017 #define OLD_IEEE80211_IOC_SCAN_REQ 23 3018 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 3019 case OLD_IEEE80211_IOC_SCAN_REQ: 3020 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3021 "%s: active scan request\n", __func__); 3022 /* 3023 * If we are in INIT state then the driver has never 3024 * had a chance to setup hardware state to do a scan; 3025 * use the state machine to get us up the SCAN state. 3026 * Otherwise just invoke the scan machinery to start 3027 * a one-time scan. 3028 */ 3029 if (vap->iv_state == IEEE80211_S_INIT) 3030 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 3031 else 3032 (void) ieee80211_start_scan(vap, 3033 IEEE80211_SCAN_ACTIVE | 3034 IEEE80211_SCAN_NOPICK | 3035 IEEE80211_SCAN_ONCE, 3036 IEEE80211_SCAN_FOREVER, 0, 0, 3037 /* XXX use ioctl params */ 3038 vap->iv_des_nssid, vap->iv_des_ssid); 3039 break; 3040 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 3041 case IEEE80211_IOC_SCAN_REQ: 3042 error = ieee80211_ioctl_scanreq(vap, ireq); 3043 break; 3044 case IEEE80211_IOC_SCAN_CANCEL: 3045 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3046 "%s: cancel scan\n", __func__); 3047 ieee80211_cancel_scan(vap); 3048 break; 3049 case IEEE80211_IOC_HTCONF: 3050 if (ireq->i_val & 1) 3051 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 3052 else 3053 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 3054 if (ireq->i_val & 2) 3055 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 3056 else 3057 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 3058 error = ENETRESET; 3059 break; 3060 case IEEE80211_IOC_ADDMAC: 3061 case IEEE80211_IOC_DELMAC: 3062 error = ieee80211_ioctl_macmac(vap, ireq); 3063 break; 3064 case IEEE80211_IOC_MACCMD: 3065 error = ieee80211_ioctl_setmaccmd(vap, ireq); 3066 break; 3067 case IEEE80211_IOC_STA_STATS: 3068 error = ieee80211_ioctl_setstastats(vap, ireq); 3069 break; 3070 case IEEE80211_IOC_STA_TXPOW: 3071 error = ieee80211_ioctl_setstatxpow(vap, ireq); 3072 break; 3073 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 3074 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 3075 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 3076 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 3077 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 3078 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 3079 error = ieee80211_ioctl_setwmeparam(vap, ireq); 3080 break; 3081 case IEEE80211_IOC_DTIM_PERIOD: 3082 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3083 vap->iv_opmode != IEEE80211_M_MBSS && 3084 vap->iv_opmode != IEEE80211_M_IBSS) 3085 return EINVAL; 3086 if (IEEE80211_DTIM_MIN <= ireq->i_val && 3087 ireq->i_val <= IEEE80211_DTIM_MAX) { 3088 vap->iv_dtim_period = ireq->i_val; 3089 error = ENETRESET; /* requires restart */ 3090 } else 3091 error = EINVAL; 3092 break; 3093 case IEEE80211_IOC_BEACON_INTERVAL: 3094 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3095 vap->iv_opmode != IEEE80211_M_MBSS && 3096 vap->iv_opmode != IEEE80211_M_IBSS) 3097 return EINVAL; 3098 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 3099 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 3100 ic->ic_bintval = ireq->i_val; 3101 error = ENETRESET; /* requires restart */ 3102 } else 3103 error = EINVAL; 3104 break; 3105 case IEEE80211_IOC_PUREG: 3106 if (ireq->i_val) 3107 vap->iv_flags |= IEEE80211_F_PUREG; 3108 else 3109 vap->iv_flags &= ~IEEE80211_F_PUREG; 3110 /* NB: reset only if we're operating on an 11g channel */ 3111 if (isvap11g(vap)) 3112 error = ENETRESET; 3113 break; 3114 case IEEE80211_IOC_QUIET: 3115 vap->iv_quiet= ireq->i_val; 3116 break; 3117 case IEEE80211_IOC_QUIET_COUNT: 3118 vap->iv_quiet_count=ireq->i_val; 3119 break; 3120 case IEEE80211_IOC_QUIET_PERIOD: 3121 vap->iv_quiet_period=ireq->i_val; 3122 break; 3123 case IEEE80211_IOC_QUIET_OFFSET: 3124 vap->iv_quiet_offset=ireq->i_val; 3125 break; 3126 case IEEE80211_IOC_QUIET_DUR: 3127 if(ireq->i_val < vap->iv_bss->ni_intval) 3128 vap->iv_quiet_duration = ireq->i_val; 3129 else 3130 error = EINVAL; 3131 break; 3132 case IEEE80211_IOC_BGSCAN: 3133 if (ireq->i_val) { 3134 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3135 return EOPNOTSUPP; 3136 vap->iv_flags |= IEEE80211_F_BGSCAN; 3137 } else 3138 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3139 break; 3140 case IEEE80211_IOC_BGSCAN_IDLE: 3141 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3142 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3143 else 3144 error = EINVAL; 3145 break; 3146 case IEEE80211_IOC_BGSCAN_INTERVAL: 3147 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3148 vap->iv_bgscanintvl = ireq->i_val*hz; 3149 else 3150 error = EINVAL; 3151 break; 3152 case IEEE80211_IOC_SCANVALID: 3153 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3154 vap->iv_scanvalid = ireq->i_val*hz; 3155 else 3156 error = EINVAL; 3157 break; 3158 case IEEE80211_IOC_FRAGTHRESHOLD: 3159 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3160 ireq->i_val != IEEE80211_FRAG_MAX) 3161 return EOPNOTSUPP; 3162 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3163 ireq->i_val <= IEEE80211_FRAG_MAX)) 3164 return EINVAL; 3165 vap->iv_fragthreshold = ireq->i_val; 3166 error = ERESTART; 3167 break; 3168 case IEEE80211_IOC_BURST: 3169 if (ireq->i_val) { 3170 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3171 return EOPNOTSUPP; 3172 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3173 } else 3174 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3175 error = ERESTART; 3176 break; 3177 case IEEE80211_IOC_BMISSTHRESHOLD: 3178 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3179 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3180 return EINVAL; 3181 vap->iv_bmissthreshold = ireq->i_val; 3182 error = ERESTART; 3183 break; 3184 case IEEE80211_IOC_CURCHAN: 3185 error = ieee80211_ioctl_setcurchan(vap, ireq); 3186 break; 3187 case IEEE80211_IOC_SHORTGI: 3188 if (ireq->i_val) { 3189 #define IEEE80211_HTCAP_SHORTGI \ 3190 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3191 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3192 return EINVAL; 3193 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3194 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3195 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3196 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3197 #undef IEEE80211_HTCAP_SHORTGI 3198 } else 3199 vap->iv_flags_ht &= 3200 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3201 error = ERESTART; 3202 break; 3203 case IEEE80211_IOC_AMPDU: 3204 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3205 return EINVAL; 3206 if (ireq->i_val & 1) 3207 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3208 else 3209 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3210 if (ireq->i_val & 2) 3211 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3212 else 3213 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3214 /* NB: reset only if we're operating on an 11n channel */ 3215 if (isvapht(vap)) 3216 error = ERESTART; 3217 break; 3218 case IEEE80211_IOC_AMPDU_LIMIT: 3219 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */ 3220 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3221 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3222 return EINVAL; 3223 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3224 vap->iv_ampdu_rxmax = ireq->i_val; 3225 else 3226 vap->iv_ampdu_limit = ireq->i_val; 3227 error = ERESTART; 3228 break; 3229 case IEEE80211_IOC_AMPDU_DENSITY: 3230 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3231 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3232 return EINVAL; 3233 vap->iv_ampdu_density = ireq->i_val; 3234 error = ERESTART; 3235 break; 3236 case IEEE80211_IOC_AMSDU: 3237 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3238 return EINVAL; 3239 if (ireq->i_val & 1) 3240 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3241 else 3242 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3243 if (ireq->i_val & 2) 3244 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3245 else 3246 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3247 /* NB: reset only if we're operating on an 11n channel */ 3248 if (isvapht(vap)) 3249 error = ERESTART; 3250 break; 3251 case IEEE80211_IOC_AMSDU_LIMIT: 3252 /* XXX validate */ 3253 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3254 break; 3255 case IEEE80211_IOC_PUREN: 3256 if (ireq->i_val) { 3257 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3258 return EINVAL; 3259 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3260 } else 3261 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3262 /* NB: reset only if we're operating on an 11n channel */ 3263 if (isvapht(vap)) 3264 error = ERESTART; 3265 break; 3266 case IEEE80211_IOC_DOTH: 3267 if (ireq->i_val) { 3268 #if 0 3269 /* XXX no capability */ 3270 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3271 return EOPNOTSUPP; 3272 #endif 3273 vap->iv_flags |= IEEE80211_F_DOTH; 3274 } else 3275 vap->iv_flags &= ~IEEE80211_F_DOTH; 3276 error = ENETRESET; 3277 break; 3278 case IEEE80211_IOC_REGDOMAIN: 3279 error = ieee80211_ioctl_setregdomain(vap, ireq); 3280 break; 3281 case IEEE80211_IOC_ROAM: 3282 error = ieee80211_ioctl_setroam(vap, ireq); 3283 break; 3284 case IEEE80211_IOC_TXPARAMS: 3285 error = ieee80211_ioctl_settxparams(vap, ireq); 3286 break; 3287 case IEEE80211_IOC_HTCOMPAT: 3288 if (ireq->i_val) { 3289 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3290 return EOPNOTSUPP; 3291 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3292 } else 3293 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3294 /* NB: reset only if we're operating on an 11n channel */ 3295 if (isvapht(vap)) 3296 error = ERESTART; 3297 break; 3298 case IEEE80211_IOC_DWDS: 3299 if (ireq->i_val) { 3300 /* NB: DWDS only makes sense for WDS-capable devices */ 3301 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3302 return EOPNOTSUPP; 3303 /* NB: DWDS is used only with ap+sta vaps */ 3304 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3305 vap->iv_opmode != IEEE80211_M_STA) 3306 return EINVAL; 3307 vap->iv_flags |= IEEE80211_F_DWDS; 3308 if (vap->iv_opmode == IEEE80211_M_STA) 3309 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3310 } else { 3311 vap->iv_flags &= ~IEEE80211_F_DWDS; 3312 if (vap->iv_opmode == IEEE80211_M_STA) 3313 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3314 } 3315 break; 3316 case IEEE80211_IOC_INACTIVITY: 3317 if (ireq->i_val) 3318 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3319 else 3320 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3321 break; 3322 case IEEE80211_IOC_APPIE: 3323 error = ieee80211_ioctl_setappie(vap, ireq); 3324 break; 3325 case IEEE80211_IOC_WPS: 3326 if (ireq->i_val) { 3327 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3328 return EOPNOTSUPP; 3329 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3330 } else 3331 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3332 break; 3333 case IEEE80211_IOC_TSN: 3334 if (ireq->i_val) { 3335 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3336 return EOPNOTSUPP; 3337 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3338 } else 3339 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3340 break; 3341 case IEEE80211_IOC_CHANSWITCH: 3342 error = ieee80211_ioctl_chanswitch(vap, ireq); 3343 break; 3344 case IEEE80211_IOC_DFS: 3345 if (ireq->i_val) { 3346 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3347 return EOPNOTSUPP; 3348 /* NB: DFS requires 11h support */ 3349 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3350 return EINVAL; 3351 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3352 } else 3353 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3354 break; 3355 case IEEE80211_IOC_DOTD: 3356 if (ireq->i_val) 3357 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3358 else 3359 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3360 if (vap->iv_opmode == IEEE80211_M_STA) 3361 error = ENETRESET; 3362 break; 3363 case IEEE80211_IOC_HTPROTMODE: 3364 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3365 return EINVAL; 3366 ic->ic_htprotmode = ireq->i_val ? 3367 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3368 /* NB: if not operating in 11n this can wait */ 3369 if (isvapht(vap)) 3370 error = ERESTART; 3371 break; 3372 case IEEE80211_IOC_STA_VLAN: 3373 error = ieee80211_ioctl_setstavlan(vap, ireq); 3374 break; 3375 case IEEE80211_IOC_SMPS: 3376 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3377 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3378 return EINVAL; 3379 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3380 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3381 return EOPNOTSUPP; 3382 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3383 ireq->i_val; 3384 /* NB: if not operating in 11n this can wait */ 3385 if (isvapht(vap)) 3386 error = ERESTART; 3387 break; 3388 case IEEE80211_IOC_RIFS: 3389 if (ireq->i_val != 0) { 3390 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3391 return EOPNOTSUPP; 3392 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3393 } else 3394 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3395 /* NB: if not operating in 11n this can wait */ 3396 if (isvapht(vap)) 3397 error = ERESTART; 3398 break; 3399 case IEEE80211_IOC_STBC: 3400 /* Check if we can do STBC TX/RX before changing the setting */ 3401 if ((ireq->i_val & 1) && 3402 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0)) 3403 return EOPNOTSUPP; 3404 if ((ireq->i_val & 2) && 3405 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0)) 3406 return EOPNOTSUPP; 3407 3408 /* TX */ 3409 if (ireq->i_val & 1) 3410 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX; 3411 else 3412 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX; 3413 3414 /* RX */ 3415 if (ireq->i_val & 2) 3416 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX; 3417 else 3418 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX; 3419 3420 /* NB: reset only if we're operating on an 11n channel */ 3421 if (isvapht(vap)) 3422 error = ERESTART; 3423 break; 3424 case IEEE80211_IOC_LDPC: 3425 /* Check if we can do LDPC TX/RX before changing the setting */ 3426 if ((ireq->i_val & 1) && 3427 (vap->iv_htcaps & IEEE80211_HTC_TXLDPC) == 0) 3428 return EOPNOTSUPP; 3429 if ((ireq->i_val & 2) && 3430 (vap->iv_htcaps & IEEE80211_HTCAP_LDPC) == 0) 3431 return EOPNOTSUPP; 3432 3433 /* TX */ 3434 if (ireq->i_val & 1) 3435 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX; 3436 else 3437 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_TX; 3438 3439 /* RX */ 3440 if (ireq->i_val & 2) 3441 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX; 3442 else 3443 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_RX; 3444 3445 /* NB: reset only if we're operating on an 11n channel */ 3446 if (isvapht(vap)) 3447 error = ERESTART; 3448 break; 3449 3450 /* VHT */ 3451 case IEEE80211_IOC_VHTCONF: 3452 if (ireq->i_val & 1) 3453 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_VHT); 3454 else 3455 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_VHT); 3456 3457 if (ireq->i_val & 2) 3458 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT40); 3459 else 3460 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT40); 3461 3462 if (ireq->i_val & 4) 3463 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80); 3464 else 3465 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80); 3466 3467 if (ireq->i_val & 8) 3468 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80P80); 3469 else 3470 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80P80); 3471 3472 if (ireq->i_val & 16) 3473 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT160); 3474 else 3475 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT160); 3476 3477 error = ENETRESET; 3478 break; 3479 3480 default: 3481 error = ieee80211_ioctl_setdefault(vap, ireq); 3482 break; 3483 } 3484 /* 3485 * The convention is that ENETRESET means an operation 3486 * requires a complete re-initialization of the device (e.g. 3487 * changing something that affects the association state). 3488 * ERESTART means the request may be handled with only a 3489 * reload of the hardware state. We hand ERESTART requests 3490 * to the iv_reset callback so the driver can decide. If 3491 * a device does not fillin iv_reset then it defaults to one 3492 * that returns ENETRESET. Otherwise a driver may return 3493 * ENETRESET (in which case a full reset will be done) or 3494 * 0 to mean there's no need to do anything (e.g. when the 3495 * change has no effect on the driver/device). 3496 */ 3497 if (error == ERESTART) 3498 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3499 vap->iv_reset(vap, ireq->i_type) : 0; 3500 if (error == ENETRESET) { 3501 /* XXX need to re-think AUTO handling */ 3502 if (IS_UP_AUTO(vap)) 3503 #if __FreeBSD__ 3504 ieee80211_init(vap); 3505 #elif __NetBSD__ 3506 /* arg is a vap in 802.11 code */ 3507 ieee80211_init((struct ifnet *)vap); 3508 #endif 3509 error = 0; 3510 } 3511 return error; 3512 } 3513 3514 int 3515 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3516 { 3517 struct ieee80211vap *vap = ifp->if_softc; 3518 struct ieee80211com *ic = vap->iv_ic; 3519 int error = 0, wait = 0; 3520 struct ifreq *ifr; 3521 struct ifaddr *ifa; /* XXX */ 3522 3523 switch (cmd) { 3524 case SIOCSIFFLAGS: 3525 IEEE80211_LOCK(ic); 3526 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) { 3527 /* 3528 * Enable promiscuous mode when: 3529 * 1. Interface is not a member of bridge, or 3530 * 2. Requested by user, or 3531 * 3. In monitor (or adhoc-demo) mode. 3532 */ 3533 if (ifp->if_bridge == NULL || 3534 (ifp->if_flags & IFF_PPROMISC) != 0 || 3535 vap->iv_opmode == IEEE80211_M_MONITOR || 3536 (vap->iv_opmode == IEEE80211_M_AHDEMO && 3537 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) { 3538 ieee80211_promisc(vap, 3539 ifp->if_flags & IFF_PROMISC); 3540 vap->iv_ifflags ^= IFF_PROMISC; 3541 } 3542 } 3543 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) { 3544 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3545 vap->iv_ifflags ^= IFF_ALLMULTI; 3546 } 3547 if (ifp->if_flags & IFF_UP) { 3548 /* 3549 * Bring ourself up unless we're already operational. 3550 * If we're the first vap and the parent is not up 3551 * then it will automatically be brought up as a 3552 * side-effect of bringing ourself up. 3553 */ 3554 if (vap->iv_state == IEEE80211_S_INIT) { 3555 if (ic->ic_nrunning == 0) 3556 wait = 1; 3557 ieee80211_start_locked(vap); 3558 } 3559 #if __FreeBSD__ 3560 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3561 #elif __NetBSD__ 3562 } else if (ifp->if_flags & IFF_RUNNING) { 3563 #endif 3564 /* 3565 * Stop ourself. If we are the last vap to be 3566 * marked down the parent will also be taken down. 3567 */ 3568 if (ic->ic_nrunning == 1) 3569 wait = 1; 3570 ieee80211_stop_locked(vap); 3571 } 3572 IEEE80211_UNLOCK(ic); 3573 /* Wait for parent ioctl handler if it was queued */ 3574 if (wait) { 3575 ieee80211_waitfor_parent(ic); 3576 3577 /* 3578 * Check if the MAC address was changed 3579 * via SIOCSIFLLADDR ioctl. 3580 */ 3581 if_addr_rlock(ifp); 3582 if ((ifp->if_flags & IFF_UP) == 0 && 3583 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp))) 3584 IEEE80211_ADDR_COPY(vap->iv_myaddr, 3585 IF_LLADDR(ifp)); 3586 if_addr_runlock(ifp); 3587 } 3588 break; 3589 case SIOCADDMULTI: 3590 case SIOCDELMULTI: 3591 ieee80211_runtask(ic, &ic->ic_mcast_task); 3592 break; 3593 case SIOCSIFMEDIA: 3594 case SIOCGIFMEDIA: 3595 ifr = (struct ifreq *)data; 3596 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3597 break; 3598 case SIOCG80211: 3599 error = ieee80211_ioctl_get80211(vap, cmd, 3600 (struct ieee80211req *) data); 3601 break; 3602 case SIOCS80211: 3603 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3604 if (error == 0) 3605 error = ieee80211_ioctl_set80211(vap, cmd, 3606 (struct ieee80211req *) data); 3607 break; 3608 case SIOCG80211STATS: 3609 ifr = (struct ifreq *)data; 3610 #if __FreeBSD__ 3611 copyout(&vap->iv_stats, ifr_data_get_ptr(ifr), 3612 sizeof (vap->iv_stats)); 3613 #elif__NetBSD__ 3614 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3615 #endif 3616 break; 3617 case SIOCSIFMTU: 3618 ifr = (struct ifreq *)data; 3619 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3620 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3621 error = EINVAL; 3622 else 3623 ifp->if_mtu = ifr->ifr_mtu; 3624 break; 3625 case SIOCSIFADDR: 3626 /* 3627 * XXX Handle this directly so we can suppress if_init calls. 3628 * XXX This should be done in ether_ioctl but for the moment 3629 * XXX there are too many other parts of the system that 3630 * XXX set IFF_UP and so suppress if_init being called when 3631 * XXX it should be. 3632 */ 3633 ifa = (struct ifaddr *) data; 3634 switch (ifa->ifa_addr->sa_family) { 3635 #ifdef INET 3636 case AF_INET: 3637 if ((ifp->if_flags & IFF_UP) == 0) { 3638 ifp->if_flags |= IFF_UP; 3639 ifp->if_init(ifp->if_softc); 3640 } 3641 arp_ifinit(ifp, ifa); 3642 break; 3643 #endif 3644 default: 3645 if ((ifp->if_flags & IFF_UP) == 0) { 3646 ifp->if_flags |= IFF_UP; 3647 ifp->if_init(ifp->if_softc); 3648 } 3649 break; 3650 } 3651 break; 3652 default: 3653 /* 3654 * Pass unknown ioctls first to the driver, and if it 3655 * returns ENOTTY, then to the generic Ethernet handler. 3656 */ 3657 if (ic->ic_ioctl != NULL && 3658 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3659 break; 3660 error = ether_ioctl(ifp, cmd, data); 3661 break; 3662 } 3663 return (error); 3664 } 3665
Indexes created Tue Sep 30 07:10:03 GMT 2025