ieee80211_ioctl.c revision 1.60.18.4
1 /* $NetBSD: ieee80211_ioctl.c,v 1.60.18.4 2018/07/20 20:33:05 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 int error; 788 #if notyet 789 ieee80211_ioctl_getfunc * const *get; 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 ("ieee80211_ioctl_getdefault called\n"); 798 error = dummy_ioctl_get(vap, ireq); 799 #endif 800 return error; 801 } 802 803 static int 804 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 805 struct ieee80211req *ireq) 806 { 807 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 808 struct ieee80211com *ic = vap->iv_ic; 809 u_int kid, len; 810 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 811 char tmpssid[IEEE80211_NWID_LEN]; 812 int error = 0; 813 814 switch (ireq->i_type) { 815 case IEEE80211_IOC_SSID: 816 switch (vap->iv_state) { 817 case IEEE80211_S_INIT: 818 case IEEE80211_S_SCAN: 819 ireq->i_len = vap->iv_des_ssid[0].len; 820 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 821 break; 822 default: 823 ireq->i_len = vap->iv_bss->ni_esslen; 824 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 825 break; 826 } 827 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 828 break; 829 case IEEE80211_IOC_NUMSSIDS: 830 ireq->i_val = 1; 831 break; 832 case IEEE80211_IOC_WEP: 833 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 834 ireq->i_val = IEEE80211_WEP_OFF; 835 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 836 ireq->i_val = IEEE80211_WEP_ON; 837 else 838 ireq->i_val = IEEE80211_WEP_MIXED; 839 break; 840 case IEEE80211_IOC_WEPKEY: 841 kid = (u_int) ireq->i_val; 842 if (kid >= IEEE80211_WEP_NKID) 843 return EINVAL; 844 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 845 /* NB: only root can read WEP keys */ 846 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 847 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 848 } else { 849 bzero(tmpkey, len); 850 } 851 ireq->i_len = len; 852 error = copyout(tmpkey, ireq->i_data, len); 853 break; 854 case IEEE80211_IOC_NUMWEPKEYS: 855 ireq->i_val = IEEE80211_WEP_NKID; 856 break; 857 case IEEE80211_IOC_WEPTXKEY: 858 ireq->i_val = vap->iv_def_txkey; 859 break; 860 case IEEE80211_IOC_AUTHMODE: 861 if (vap->iv_flags & IEEE80211_F_WPA) 862 ireq->i_val = IEEE80211_AUTH_WPA; 863 else 864 ireq->i_val = vap->iv_bss->ni_authmode; 865 break; 866 case IEEE80211_IOC_CHANNEL: 867 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 868 break; 869 case IEEE80211_IOC_POWERSAVE: 870 if (vap->iv_flags & IEEE80211_F_PMGTON) 871 ireq->i_val = IEEE80211_POWERSAVE_ON; 872 else 873 ireq->i_val = IEEE80211_POWERSAVE_OFF; 874 break; 875 case IEEE80211_IOC_POWERSAVESLEEP: 876 ireq->i_val = ic->ic_lintval; 877 break; 878 case IEEE80211_IOC_RTSTHRESHOLD: 879 ireq->i_val = vap->iv_rtsthreshold; 880 break; 881 case IEEE80211_IOC_PROTMODE: 882 ireq->i_val = ic->ic_protmode; 883 break; 884 case IEEE80211_IOC_TXPOWER: 885 /* 886 * Tx power limit is the min of max regulatory 887 * power, any user-set limit, and the max the 888 * radio can do. 889 * 890 * TODO: methodize this 891 */ 892 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 893 if (ireq->i_val > ic->ic_txpowlimit) 894 ireq->i_val = ic->ic_txpowlimit; 895 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 896 ireq->i_val = ic->ic_curchan->ic_maxpower; 897 break; 898 case IEEE80211_IOC_WPA: 899 switch (vap->iv_flags & IEEE80211_F_WPA) { 900 case IEEE80211_F_WPA1: 901 ireq->i_val = 1; 902 break; 903 case IEEE80211_F_WPA2: 904 ireq->i_val = 2; 905 break; 906 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 907 ireq->i_val = 3; 908 break; 909 default: 910 ireq->i_val = 0; 911 break; 912 } 913 break; 914 case IEEE80211_IOC_CHANLIST: 915 error = ieee80211_ioctl_getchanlist(vap, ireq); 916 break; 917 case IEEE80211_IOC_ROAMING: 918 ireq->i_val = vap->iv_roaming; 919 break; 920 case IEEE80211_IOC_PRIVACY: 921 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 922 break; 923 case IEEE80211_IOC_DROPUNENCRYPTED: 924 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 925 break; 926 case IEEE80211_IOC_COUNTERMEASURES: 927 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 928 break; 929 case IEEE80211_IOC_WME: 930 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 931 break; 932 case IEEE80211_IOC_HIDESSID: 933 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 934 break; 935 case IEEE80211_IOC_APBRIDGE: 936 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 937 break; 938 case IEEE80211_IOC_WPAKEY: 939 error = ieee80211_ioctl_getkey(vap, ireq); 940 break; 941 case IEEE80211_IOC_CHANINFO: 942 error = ieee80211_ioctl_getchaninfo(vap, ireq); 943 break; 944 case IEEE80211_IOC_BSSID: 945 if (ireq->i_len != IEEE80211_ADDR_LEN) 946 return EINVAL; 947 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 948 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 949 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 950 ireq->i_data, ireq->i_len); 951 } else 952 error = copyout(vap->iv_des_bssid, ireq->i_data, 953 ireq->i_len); 954 break; 955 case IEEE80211_IOC_WPAIE: 956 case IEEE80211_IOC_WPAIE2: 957 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 958 break; 959 case IEEE80211_IOC_SCAN_RESULTS: 960 error = ieee80211_ioctl_getscanresults(vap, ireq); 961 break; 962 case IEEE80211_IOC_STA_STATS: 963 error = ieee80211_ioctl_getstastats(vap, ireq); 964 break; 965 case IEEE80211_IOC_TXPOWMAX: 966 ireq->i_val = vap->iv_bss->ni_txpower; 967 break; 968 case IEEE80211_IOC_STA_TXPOW: 969 error = ieee80211_ioctl_getstatxpow(vap, ireq); 970 break; 971 case IEEE80211_IOC_STA_INFO: 972 error = ieee80211_ioctl_getstainfo(vap, ireq); 973 break; 974 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 975 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 976 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 977 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 978 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 979 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 980 error = ieee80211_ioctl_getwmeparam(vap, ireq); 981 break; 982 case IEEE80211_IOC_DTIM_PERIOD: 983 ireq->i_val = vap->iv_dtim_period; 984 break; 985 case IEEE80211_IOC_BEACON_INTERVAL: 986 /* NB: get from ic_bss for station mode */ 987 ireq->i_val = vap->iv_bss->ni_intval; 988 break; 989 case IEEE80211_IOC_PUREG: 990 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 991 break; 992 case IEEE80211_IOC_QUIET: 993 ireq->i_val = vap->iv_quiet; 994 break; 995 case IEEE80211_IOC_QUIET_COUNT: 996 ireq->i_val = vap->iv_quiet_count; 997 break; 998 case IEEE80211_IOC_QUIET_PERIOD: 999 ireq->i_val = vap->iv_quiet_period; 1000 break; 1001 case IEEE80211_IOC_QUIET_DUR: 1002 ireq->i_val = vap->iv_quiet_duration; 1003 break; 1004 case IEEE80211_IOC_QUIET_OFFSET: 1005 ireq->i_val = vap->iv_quiet_offset; 1006 break; 1007 case IEEE80211_IOC_BGSCAN: 1008 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 1009 break; 1010 case IEEE80211_IOC_BGSCAN_IDLE: 1011 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 1012 break; 1013 case IEEE80211_IOC_BGSCAN_INTERVAL: 1014 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 1015 break; 1016 case IEEE80211_IOC_SCANVALID: 1017 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 1018 break; 1019 case IEEE80211_IOC_FRAGTHRESHOLD: 1020 ireq->i_val = vap->iv_fragthreshold; 1021 break; 1022 case IEEE80211_IOC_MACCMD: 1023 error = ieee80211_ioctl_getmaccmd(vap, ireq); 1024 break; 1025 case IEEE80211_IOC_BURST: 1026 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 1027 break; 1028 case IEEE80211_IOC_BMISSTHRESHOLD: 1029 ireq->i_val = vap->iv_bmissthreshold; 1030 break; 1031 case IEEE80211_IOC_CURCHAN: 1032 error = ieee80211_ioctl_getcurchan(vap, ireq); 1033 break; 1034 case IEEE80211_IOC_SHORTGI: 1035 ireq->i_val = 0; 1036 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1037 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1038 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1039 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1040 break; 1041 case IEEE80211_IOC_AMPDU: 1042 ireq->i_val = 0; 1043 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1044 ireq->i_val |= 1; 1045 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1046 ireq->i_val |= 2; 1047 break; 1048 case IEEE80211_IOC_AMPDU_LIMIT: 1049 /* XXX TODO: make this a per-node thing; and leave this as global */ 1050 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1051 ireq->i_val = vap->iv_ampdu_rxmax; 1052 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1053 /* 1054 * XXX TODO: this isn't completely correct, as we've 1055 * negotiated the higher of the two. 1056 */ 1057 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1058 IEEE80211_HTCAP_MAXRXAMPDU); 1059 else 1060 ireq->i_val = vap->iv_ampdu_limit; 1061 break; 1062 case IEEE80211_IOC_AMPDU_DENSITY: 1063 /* XXX TODO: make this a per-node thing; and leave this as global */ 1064 if (vap->iv_opmode == IEEE80211_M_STA && 1065 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1066 /* 1067 * XXX TODO: this isn't completely correct, as we've 1068 * negotiated the higher of the two. 1069 */ 1070 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1071 IEEE80211_HTCAP_MPDUDENSITY); 1072 else 1073 ireq->i_val = vap->iv_ampdu_density; 1074 break; 1075 case IEEE80211_IOC_AMSDU: 1076 ireq->i_val = 0; 1077 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1078 ireq->i_val |= 1; 1079 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1080 ireq->i_val |= 2; 1081 break; 1082 case IEEE80211_IOC_AMSDU_LIMIT: 1083 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1084 break; 1085 case IEEE80211_IOC_PUREN: 1086 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1087 break; 1088 case IEEE80211_IOC_DOTH: 1089 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1090 break; 1091 case IEEE80211_IOC_REGDOMAIN: 1092 error = ieee80211_ioctl_getregdomain(vap, ireq); 1093 break; 1094 case IEEE80211_IOC_ROAM: 1095 error = ieee80211_ioctl_getroam(vap, ireq); 1096 break; 1097 case IEEE80211_IOC_TXPARAMS: 1098 error = ieee80211_ioctl_gettxparams(vap, ireq); 1099 break; 1100 case IEEE80211_IOC_HTCOMPAT: 1101 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1102 break; 1103 case IEEE80211_IOC_DWDS: 1104 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1105 break; 1106 case IEEE80211_IOC_INACTIVITY: 1107 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1108 break; 1109 case IEEE80211_IOC_APPIE: 1110 error = ieee80211_ioctl_getappie(vap, ireq); 1111 break; 1112 case IEEE80211_IOC_WPS: 1113 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1114 break; 1115 case IEEE80211_IOC_TSN: 1116 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1117 break; 1118 case IEEE80211_IOC_DFS: 1119 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1120 break; 1121 case IEEE80211_IOC_DOTD: 1122 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1123 break; 1124 case IEEE80211_IOC_DEVCAPS: 1125 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1126 break; 1127 case IEEE80211_IOC_HTPROTMODE: 1128 ireq->i_val = ic->ic_htprotmode; 1129 break; 1130 case IEEE80211_IOC_HTCONF: 1131 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1132 ireq->i_val = 1; 1133 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1134 ireq->i_val |= 2; 1135 } else 1136 ireq->i_val = 0; 1137 break; 1138 case IEEE80211_IOC_STA_VLAN: 1139 error = ieee80211_ioctl_getstavlan(vap, ireq); 1140 break; 1141 case IEEE80211_IOC_SMPS: 1142 if (vap->iv_opmode == IEEE80211_M_STA && 1143 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1144 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1145 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1146 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1147 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1148 else 1149 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1150 } else 1151 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1152 break; 1153 case IEEE80211_IOC_RIFS: 1154 if (vap->iv_opmode == IEEE80211_M_STA && 1155 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1156 ireq->i_val = 1157 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1158 else 1159 ireq->i_val = 1160 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1161 break; 1162 case IEEE80211_IOC_STBC: 1163 ireq->i_val = 0; 1164 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX) 1165 ireq->i_val |= 1; 1166 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) 1167 ireq->i_val |= 2; 1168 break; 1169 case IEEE80211_IOC_LDPC: 1170 ireq->i_val = 0; 1171 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_TX) 1172 ireq->i_val |= 1; 1173 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_RX) 1174 ireq->i_val |= 2; 1175 break; 1176 1177 /* VHT */ 1178 case IEEE80211_IOC_VHTCONF: 1179 ireq->i_val = 0; 1180 if (vap->iv_flags_vht & IEEE80211_FVHT_VHT) 1181 ireq->i_val |= 1; 1182 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT40) 1183 ireq->i_val |= 2; 1184 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80) 1185 ireq->i_val |= 4; 1186 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80P80) 1187 ireq->i_val |= 8; 1188 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT160) 1189 ireq->i_val |= 16; 1190 break; 1191 1192 default: 1193 error = ieee80211_ioctl_getdefault(vap, ireq); 1194 break; 1195 } 1196 return error; 1197 #undef MS 1198 } 1199 1200 static int 1201 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1202 { 1203 struct ieee80211req_key ik; 1204 struct ieee80211_node *ni; 1205 struct ieee80211_key *wk; 1206 uint16_t kid; 1207 int error, i; 1208 1209 if (ireq->i_len != sizeof(ik)) 1210 return EINVAL; 1211 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1212 if (error) 1213 return error; 1214 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1215 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1216 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1217 return E2BIG; 1218 kid = ik.ik_keyix; 1219 if (kid == IEEE80211_KEYIX_NONE) { 1220 /* XXX unicast keys currently must be tx/rx */ 1221 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1222 return EINVAL; 1223 if (vap->iv_opmode == IEEE80211_M_STA) { 1224 ni = ieee80211_ref_node(vap->iv_bss); 1225 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1226 ieee80211_free_node(ni); 1227 return EADDRNOTAVAIL; 1228 } 1229 } else { 1230 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1231 ik.ik_macaddr); 1232 if (ni == NULL) 1233 return ENOENT; 1234 } 1235 wk = &ni->ni_ucastkey; 1236 } else { 1237 if (kid >= IEEE80211_WEP_NKID) 1238 return EINVAL; 1239 wk = &vap->iv_nw_keys[kid]; 1240 /* 1241 * Global slots start off w/o any assigned key index. 1242 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1243 */ 1244 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1245 wk->wk_keyix = kid; 1246 ni = NULL; 1247 } 1248 error = 0; 1249 ieee80211_key_update_begin(vap); 1250 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1251 wk->wk_keylen = ik.ik_keylen; 1252 /* NB: MIC presence is implied by cipher type */ 1253 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1254 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1255 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1256 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1257 wk->wk_keytsc = 0; /* new key, reset */ 1258 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1259 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1260 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1261 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1262 if (!ieee80211_crypto_setkey(vap, wk)) 1263 error = EIO; 1264 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1265 /* 1266 * Inform the driver that this is the default 1267 * transmit key. Now, ideally we'd just set 1268 * a flag in the key update that would 1269 * say "yes, we're the default key", but 1270 * that currently isn't the way the ioctl -> 1271 * key interface works. 1272 */ 1273 ieee80211_crypto_set_deftxkey(vap, kid); 1274 } else 1275 error = ENXIO; 1276 ieee80211_key_update_end(vap); 1277 if (ni != NULL) 1278 ieee80211_free_node(ni); 1279 return error; 1280 } 1281 1282 static int 1283 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1284 { 1285 struct ieee80211req_del_key dk; 1286 int kid, error; 1287 1288 if (ireq->i_len != sizeof(dk)) 1289 return EINVAL; 1290 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1291 if (error) 1292 return error; 1293 kid = dk.idk_keyix; 1294 /* XXX uint8_t -> uint16_t */ 1295 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1296 struct ieee80211_node *ni; 1297 1298 if (vap->iv_opmode == IEEE80211_M_STA) { 1299 ni = ieee80211_ref_node(vap->iv_bss); 1300 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1301 ieee80211_free_node(ni); 1302 return EADDRNOTAVAIL; 1303 } 1304 } else { 1305 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1306 dk.idk_macaddr); 1307 if (ni == NULL) 1308 return ENOENT; 1309 } 1310 /* XXX error return */ 1311 ieee80211_node_delucastkey(ni); 1312 ieee80211_free_node(ni); 1313 } else { 1314 if (kid >= IEEE80211_WEP_NKID) 1315 return EINVAL; 1316 /* XXX error return */ 1317 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1318 } 1319 return 0; 1320 } 1321 1322 struct mlmeop { 1323 struct ieee80211vap *vap; 1324 int op; 1325 int reason; 1326 }; 1327 1328 static void 1329 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1330 int op, int reason) 1331 { 1332 #ifdef IEEE80211_DEBUG 1333 static const struct { 1334 int mask; 1335 const char *opstr; 1336 } ops[] = { 1337 { 0, "op#0" }, 1338 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1339 IEEE80211_MSG_ASSOC, "assoc" }, 1340 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1341 IEEE80211_MSG_ASSOC, "disassoc" }, 1342 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1343 IEEE80211_MSG_AUTH, "deauth" }, 1344 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1345 IEEE80211_MSG_AUTH, "authorize" }, 1346 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1347 IEEE80211_MSG_AUTH, "unauthorize" }, 1348 }; 1349 1350 if (op == IEEE80211_MLME_AUTH) { 1351 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1352 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1353 "station authenticate %s via MLME (reason: %d (%s))", 1354 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1355 reason, ieee80211_reason_to_string(reason)); 1356 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1357 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1358 "unknown MLME request %d (reason: %d (%s))", op, reason, 1359 ieee80211_reason_to_string(reason)); 1360 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1361 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1362 "station %s via MLME", ops[op].opstr); 1363 } else { 1364 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1365 "station %s via MLME (reason: %d (%s))", ops[op].opstr, 1366 reason, ieee80211_reason_to_string(reason)); 1367 } 1368 #endif /* IEEE80211_DEBUG */ 1369 } 1370 1371 static void 1372 domlme(void *arg, struct ieee80211_node *ni) 1373 { 1374 struct mlmeop *mop = arg; 1375 struct ieee80211vap *vap = ni->ni_vap; 1376 1377 if (vap != mop->vap) 1378 return; 1379 /* 1380 * NB: if ni_associd is zero then the node is already cleaned 1381 * up and we don't need to do this (we're safely holding a 1382 * reference but should otherwise not modify it's state). 1383 */ 1384 if (ni->ni_associd == 0) 1385 return; 1386 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1387 if (mop->op == IEEE80211_MLME_DEAUTH) { 1388 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1389 mop->reason); 1390 } else { 1391 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1392 mop->reason); 1393 } 1394 ieee80211_node_leave(ni); 1395 } 1396 1397 static int 1398 setmlme_dropsta(struct ieee80211vap *vap, 1399 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1400 { 1401 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1402 struct ieee80211_node *ni; 1403 int error = 0; 1404 1405 /* NB: the broadcast address means do 'em all */ 1406 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1407 IEEE80211_NODE_LOCK(nt); 1408 ni = ieee80211_find_node_locked(nt, mac); 1409 IEEE80211_NODE_UNLOCK(nt); 1410 /* 1411 * Don't do the node update inside the node 1412 * table lock. This unfortunately causes LORs 1413 * with drivers and their TX paths. 1414 */ 1415 if (ni != NULL) { 1416 domlme(mlmeop, ni); 1417 ieee80211_free_node(ni); 1418 } else 1419 error = ENOENT; 1420 } else { 1421 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1422 } 1423 return error; 1424 } 1425 1426 static int 1427 setmlme_common(struct ieee80211vap *vap, int op, 1428 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1429 { 1430 struct ieee80211com *ic = vap->iv_ic; 1431 struct ieee80211_node_table *nt = &ic->ic_sta; 1432 struct ieee80211_node *ni; 1433 struct mlmeop mlmeop; 1434 int error; 1435 1436 error = 0; 1437 switch (op) { 1438 case IEEE80211_MLME_DISASSOC: 1439 case IEEE80211_MLME_DEAUTH: 1440 switch (vap->iv_opmode) { 1441 case IEEE80211_M_STA: 1442 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1443 /* XXX not quite right */ 1444 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1445 break; 1446 case IEEE80211_M_HOSTAP: 1447 mlmeop.vap = vap; 1448 mlmeop.op = op; 1449 mlmeop.reason = reason; 1450 error = setmlme_dropsta(vap, mac, &mlmeop); 1451 break; 1452 case IEEE80211_M_WDS: 1453 /* XXX user app should send raw frame? */ 1454 if (op != IEEE80211_MLME_DEAUTH) { 1455 error = EINVAL; 1456 break; 1457 } 1458 #if 0 1459 /* XXX accept any address, simplifies user code */ 1460 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1461 error = EINVAL; 1462 break; 1463 } 1464 #endif 1465 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1466 ni = ieee80211_ref_node(vap->iv_bss); 1467 IEEE80211_SEND_MGMT(ni, 1468 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1469 ieee80211_free_node(ni); 1470 break; 1471 case IEEE80211_M_MBSS: 1472 IEEE80211_NODE_LOCK(nt); 1473 ni = ieee80211_find_node_locked(nt, mac); 1474 /* 1475 * Don't do the node update inside the node 1476 * table lock. This unfortunately causes LORs 1477 * with drivers and their TX paths. 1478 */ 1479 IEEE80211_NODE_UNLOCK(nt); 1480 if (ni != NULL) { 1481 ieee80211_node_leave(ni); 1482 ieee80211_free_node(ni); 1483 } else { 1484 error = ENOENT; 1485 } 1486 break; 1487 default: 1488 error = EINVAL; 1489 break; 1490 } 1491 break; 1492 case IEEE80211_MLME_AUTHORIZE: 1493 case IEEE80211_MLME_UNAUTHORIZE: 1494 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1495 vap->iv_opmode != IEEE80211_M_WDS) { 1496 error = EINVAL; 1497 break; 1498 } 1499 IEEE80211_NODE_LOCK(nt); 1500 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1501 /* 1502 * Don't do the node update inside the node 1503 * table lock. This unfortunately causes LORs 1504 * with drivers and their TX paths. 1505 */ 1506 IEEE80211_NODE_UNLOCK(nt); 1507 if (ni != NULL) { 1508 mlmedebug(vap, mac, op, reason); 1509 if (op == IEEE80211_MLME_AUTHORIZE) 1510 ieee80211_node_authorize(ni); 1511 else 1512 ieee80211_node_unauthorize(ni); 1513 ieee80211_free_node(ni); 1514 } else 1515 error = ENOENT; 1516 break; 1517 case IEEE80211_MLME_AUTH: 1518 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1519 error = EINVAL; 1520 break; 1521 } 1522 IEEE80211_NODE_LOCK(nt); 1523 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1524 /* 1525 * Don't do the node update inside the node 1526 * table lock. This unfortunately causes LORs 1527 * with drivers and their TX paths. 1528 */ 1529 IEEE80211_NODE_UNLOCK(nt); 1530 if (ni != NULL) { 1531 mlmedebug(vap, mac, op, reason); 1532 if (reason == IEEE80211_STATUS_SUCCESS) { 1533 IEEE80211_SEND_MGMT(ni, 1534 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1535 /* 1536 * For shared key auth, just continue the 1537 * exchange. Otherwise when 802.1x is not in 1538 * use mark the port authorized at this point 1539 * so traffic can flow. 1540 */ 1541 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1542 ni->ni_challenge == NULL) 1543 ieee80211_node_authorize(ni); 1544 } else { 1545 vap->iv_stats.is_rx_acl++; 1546 ieee80211_send_error(ni, ni->ni_macaddr, 1547 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1548 ieee80211_node_leave(ni); 1549 } 1550 ieee80211_free_node(ni); 1551 } else 1552 error = ENOENT; 1553 break; 1554 default: 1555 error = EINVAL; 1556 break; 1557 } 1558 return error; 1559 } 1560 1561 struct scanlookup { 1562 const uint8_t *mac; 1563 int esslen; 1564 const uint8_t *essid; 1565 const struct ieee80211_scan_entry *se; 1566 }; 1567 1568 /* 1569 * Match mac address and any ssid. 1570 */ 1571 static void 1572 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1573 { 1574 struct scanlookup *look = arg; 1575 1576 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1577 return; 1578 if (look->esslen != 0) { 1579 if (se->se_ssid[1] != look->esslen) 1580 return; 1581 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1582 return; 1583 } 1584 look->se = se; 1585 } 1586 1587 static int 1588 setmlme_assoc_sta(struct ieee80211vap *vap, 1589 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1590 const uint8_t ssid[IEEE80211_NWID_LEN]) 1591 { 1592 struct scanlookup lookup; 1593 1594 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1595 ("expected opmode STA not %s", 1596 ieee80211_opmode_name[vap->iv_opmode])); 1597 1598 /* NB: this is racey if roaming is !manual */ 1599 lookup.se = NULL; 1600 lookup.mac = mac; 1601 lookup.esslen = ssid_len; 1602 lookup.essid = ssid; 1603 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1604 if (lookup.se == NULL) 1605 return ENOENT; 1606 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1607 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1608 return EIO; /* XXX unique but could be better */ 1609 return 0; 1610 } 1611 1612 static int 1613 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1614 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1615 const uint8_t ssid[IEEE80211_NWID_LEN]) 1616 { 1617 struct ieee80211_scan_req *sr; 1618 int error; 1619 1620 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1621 vap->iv_opmode == IEEE80211_M_AHDEMO, 1622 ("expected opmode IBSS or AHDEMO not %s", 1623 ieee80211_opmode_name[vap->iv_opmode])); 1624 1625 if (ssid_len == 0) 1626 return EINVAL; 1627 1628 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1629 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1630 if (sr == NULL) 1631 return ENOMEM; 1632 1633 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1634 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1635 vap->iv_des_ssid[0].len = ssid_len; 1636 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1637 vap->iv_des_nssid = 1; 1638 1639 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1640 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1641 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1642 sr->sr_ssid[0].len = ssid_len; 1643 sr->sr_nssid = 1; 1644 1645 error = ieee80211_scanreq(vap, sr); 1646 1647 IEEE80211_FREE(sr, M_TEMP); 1648 return error; 1649 } 1650 1651 static int 1652 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1653 { 1654 struct ieee80211req_mlme mlme; 1655 int error; 1656 1657 if (ireq->i_len != sizeof(mlme)) 1658 return EINVAL; 1659 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1660 if (error) 1661 return error; 1662 if (vap->iv_opmode == IEEE80211_M_STA && 1663 mlme.im_op == IEEE80211_MLME_ASSOC) 1664 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1665 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1666 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1667 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1668 mlme.im_op == IEEE80211_MLME_ASSOC) 1669 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1670 mlme.im_ssid_len, mlme.im_ssid); 1671 else 1672 return setmlme_common(vap, mlme.im_op, 1673 mlme.im_macaddr, mlme.im_reason); 1674 } 1675 1676 static int 1677 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1678 { 1679 uint8_t mac[IEEE80211_ADDR_LEN]; 1680 const struct ieee80211_aclator *acl = vap->iv_acl; 1681 int error; 1682 1683 if (ireq->i_len != sizeof(mac)) 1684 return EINVAL; 1685 error = copyin(ireq->i_data, mac, ireq->i_len); 1686 if (error) 1687 return error; 1688 if (acl == NULL) { 1689 acl = ieee80211_aclator_get("mac"); 1690 if (acl == NULL || !acl->iac_attach(vap)) 1691 return EINVAL; 1692 vap->iv_acl = acl; 1693 } 1694 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1695 acl->iac_add(vap, mac); 1696 else 1697 acl->iac_remove(vap, mac); 1698 return 0; 1699 } 1700 1701 static int 1702 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1703 { 1704 const struct ieee80211_aclator *acl = vap->iv_acl; 1705 1706 switch (ireq->i_val) { 1707 case IEEE80211_MACCMD_POLICY_OPEN: 1708 case IEEE80211_MACCMD_POLICY_ALLOW: 1709 case IEEE80211_MACCMD_POLICY_DENY: 1710 case IEEE80211_MACCMD_POLICY_RADIUS: 1711 if (acl == NULL) { 1712 acl = ieee80211_aclator_get("mac"); 1713 if (acl == NULL || !acl->iac_attach(vap)) 1714 return EINVAL; 1715 vap->iv_acl = acl; 1716 } 1717 acl->iac_setpolicy(vap, ireq->i_val); 1718 break; 1719 case IEEE80211_MACCMD_FLUSH: 1720 if (acl != NULL) 1721 acl->iac_flush(vap); 1722 /* NB: silently ignore when not in use */ 1723 break; 1724 case IEEE80211_MACCMD_DETACH: 1725 if (acl != NULL) { 1726 vap->iv_acl = NULL; 1727 acl->iac_detach(vap); 1728 } 1729 break; 1730 default: 1731 if (acl == NULL) 1732 return EINVAL; 1733 else 1734 return acl->iac_setioctl(vap, ireq); 1735 } 1736 return 0; 1737 } 1738 1739 static int 1740 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1741 { 1742 struct ieee80211com *ic = vap->iv_ic; 1743 uint8_t *chanlist, *list; 1744 int i, nchan, maxchan, error; 1745 1746 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1747 ireq->i_len = sizeof(ic->ic_chan_active); 1748 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1749 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1750 if (list == NULL) 1751 return ENOMEM; 1752 error = copyin(ireq->i_data, list, ireq->i_len); 1753 if (error) { 1754 IEEE80211_FREE(list, M_TEMP); 1755 return error; 1756 } 1757 nchan = 0; 1758 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1759 maxchan = ireq->i_len * NBBY; 1760 for (i = 0; i < ic->ic_nchans; i++) { 1761 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1762 /* 1763 * Calculate the intersection of the user list and the 1764 * available channels so users can do things like specify 1765 * 1-255 to get all available channels. 1766 */ 1767 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1768 setbit(chanlist, c->ic_ieee); 1769 nchan++; 1770 } 1771 } 1772 if (nchan == 0) { 1773 IEEE80211_FREE(list, M_TEMP); 1774 return EINVAL; 1775 } 1776 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1777 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1778 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1779 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1780 ieee80211_scan_flush(vap); 1781 IEEE80211_FREE(list, M_TEMP); 1782 return ENETRESET; 1783 } 1784 1785 static int 1786 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1787 { 1788 struct ieee80211_node *ni; 1789 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1790 int error; 1791 1792 /* 1793 * NB: we could copyin ieee80211req_sta_stats so apps 1794 * could make selective changes but that's overkill; 1795 * just clear all stats for now. 1796 */ 1797 if (ireq->i_len < IEEE80211_ADDR_LEN) 1798 return EINVAL; 1799 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1800 if (error != 0) 1801 return error; 1802 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1803 if (ni == NULL) 1804 return ENOENT; 1805 /* XXX require ni_vap == vap? */ 1806 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1807 ieee80211_free_node(ni); 1808 return 0; 1809 } 1810 1811 static int 1812 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1813 { 1814 struct ieee80211_node *ni; 1815 struct ieee80211req_sta_txpow txpow; 1816 int error; 1817 1818 if (ireq->i_len != sizeof(txpow)) 1819 return EINVAL; 1820 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1821 if (error != 0) 1822 return error; 1823 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1824 if (ni == NULL) 1825 return ENOENT; 1826 ni->ni_txpower = txpow.it_txpow; 1827 ieee80211_free_node(ni); 1828 return error; 1829 } 1830 1831 static int 1832 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1833 { 1834 struct ieee80211com *ic = vap->iv_ic; 1835 struct ieee80211_wme_state *wme = &ic->ic_wme; 1836 struct wmeParams *wmep, *chanp; 1837 int isbss, ac, aggrmode; 1838 1839 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1840 return EOPNOTSUPP; 1841 1842 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1843 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1844 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1845 if (ac >= WME_NUM_AC) 1846 ac = WME_AC_BE; 1847 if (isbss) { 1848 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1849 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1850 } else { 1851 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1852 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1853 } 1854 switch (ireq->i_type) { 1855 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1856 wmep->wmep_logcwmin = ireq->i_val; 1857 if (!isbss || !aggrmode) 1858 chanp->wmep_logcwmin = ireq->i_val; 1859 break; 1860 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1861 wmep->wmep_logcwmax = ireq->i_val; 1862 if (!isbss || !aggrmode) 1863 chanp->wmep_logcwmax = ireq->i_val; 1864 break; 1865 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1866 wmep->wmep_aifsn = ireq->i_val; 1867 if (!isbss || !aggrmode) 1868 chanp->wmep_aifsn = ireq->i_val; 1869 break; 1870 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1871 wmep->wmep_txopLimit = ireq->i_val; 1872 if (!isbss || !aggrmode) 1873 chanp->wmep_txopLimit = ireq->i_val; 1874 break; 1875 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1876 wmep->wmep_acm = ireq->i_val; 1877 if (!aggrmode) 1878 chanp->wmep_acm = ireq->i_val; 1879 break; 1880 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1881 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1882 (ireq->i_val) == 0; 1883 break; 1884 } 1885 ieee80211_wme_updateparams(vap); 1886 return 0; 1887 } 1888 1889 static int 1890 find11gchannel(struct ieee80211com *ic, int start, int freq) 1891 { 1892 const struct ieee80211_channel *c; 1893 int i; 1894 1895 for (i = start+1; i < ic->ic_nchans; i++) { 1896 c = &ic->ic_channels[i]; 1897 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1898 return 1; 1899 } 1900 /* NB: should not be needed but in case things are mis-sorted */ 1901 for (i = 0; i < start; i++) { 1902 c = &ic->ic_channels[i]; 1903 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1904 return 1; 1905 } 1906 return 0; 1907 } 1908 1909 static struct ieee80211_channel * 1910 findchannel(struct ieee80211com *ic, int ieee, int mode) 1911 { 1912 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1913 [IEEE80211_MODE_AUTO] = 0, 1914 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1915 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1916 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1917 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1918 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1919 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1920 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1921 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1922 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1923 /* NB: handled specially below */ 1924 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1925 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1926 [IEEE80211_MODE_VHT_5GHZ] = IEEE80211_CHAN_A, 1927 [IEEE80211_MODE_VHT_2GHZ] = IEEE80211_CHAN_G, 1928 }; 1929 u_int modeflags; 1930 int i; 1931 1932 modeflags = chanflags[mode]; 1933 for (i = 0; i < ic->ic_nchans; i++) { 1934 struct ieee80211_channel *c = &ic->ic_channels[i]; 1935 1936 if (c->ic_ieee != ieee) 1937 continue; 1938 if (mode == IEEE80211_MODE_AUTO) { 1939 /* ignore turbo channels for autoselect */ 1940 if (IEEE80211_IS_CHAN_TURBO(c)) 1941 continue; 1942 /* 1943 * XXX special-case 11b/g channels so we 1944 * always select the g channel if both 1945 * are present. 1946 * XXX prefer HT to non-HT? 1947 */ 1948 if (!IEEE80211_IS_CHAN_B(c) || 1949 !find11gchannel(ic, i, c->ic_freq)) 1950 return c; 1951 } else { 1952 /* must check VHT specifically */ 1953 if ((mode == IEEE80211_MODE_VHT_5GHZ || 1954 mode == IEEE80211_MODE_VHT_2GHZ) && 1955 !IEEE80211_IS_CHAN_VHT(c)) 1956 continue; 1957 1958 /* 1959 * Must check HT specially - only match on HT, 1960 * not HT+VHT channels 1961 */ 1962 if ((mode == IEEE80211_MODE_11NA || 1963 mode == IEEE80211_MODE_11NG) && 1964 !IEEE80211_IS_CHAN_HT(c)) 1965 continue; 1966 1967 if ((mode == IEEE80211_MODE_11NA || 1968 mode == IEEE80211_MODE_11NG) && 1969 IEEE80211_IS_CHAN_VHT(c)) 1970 continue; 1971 1972 /* Check that the modeflags above match */ 1973 if ((c->ic_flags & modeflags) == modeflags) 1974 return c; 1975 } 1976 } 1977 return NULL; 1978 } 1979 1980 /* 1981 * Check the specified against any desired mode (aka netband). 1982 * This is only used (presently) when operating in hostap mode 1983 * to enforce consistency. 1984 */ 1985 static int 1986 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1987 { 1988 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1989 1990 switch (mode) { 1991 case IEEE80211_MODE_11B: 1992 return (IEEE80211_IS_CHAN_B(c)); 1993 case IEEE80211_MODE_11G: 1994 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1995 case IEEE80211_MODE_11A: 1996 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1997 case IEEE80211_MODE_STURBO_A: 1998 return (IEEE80211_IS_CHAN_STURBO(c)); 1999 case IEEE80211_MODE_11NA: 2000 return (IEEE80211_IS_CHAN_HTA(c)); 2001 case IEEE80211_MODE_11NG: 2002 return (IEEE80211_IS_CHAN_HTG(c)); 2003 } 2004 return 1; 2005 2006 } 2007 2008 /* 2009 * Common code to set the current channel. If the device 2010 * is up and running this may result in an immediate channel 2011 * change or a kick of the state machine. 2012 */ 2013 static int 2014 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 2015 { 2016 struct ieee80211com *ic = vap->iv_ic; 2017 int error; 2018 2019 if (c != IEEE80211_CHAN_ANYC) { 2020 if (IEEE80211_IS_CHAN_RADAR(c)) 2021 return EBUSY; /* XXX better code? */ 2022 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 2023 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 2024 return EINVAL; 2025 if (!check_mode_consistency(c, vap->iv_des_mode)) 2026 return EINVAL; 2027 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 2028 if (IEEE80211_IS_CHAN_NOADHOC(c)) 2029 return EINVAL; 2030 } 2031 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 2032 vap->iv_bss->ni_chan == c) 2033 return 0; /* NB: nothing to do */ 2034 } 2035 vap->iv_des_chan = c; 2036 2037 error = 0; 2038 if (vap->iv_opmode == IEEE80211_M_MONITOR && 2039 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2040 /* 2041 * Monitor mode can switch directly. 2042 */ 2043 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 2044 /* XXX need state machine for other vap's to follow */ 2045 ieee80211_setcurchan(ic, vap->iv_des_chan); 2046 vap->iv_bss->ni_chan = ic->ic_curchan; 2047 } else { 2048 ic->ic_curchan = vap->iv_des_chan; 2049 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2050 } 2051 } else { 2052 /* 2053 * Need to go through the state machine in case we 2054 * need to reassociate or the like. The state machine 2055 * will pickup the desired channel and avoid scanning. 2056 */ 2057 if (IS_UP_AUTO(vap)) 2058 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2059 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2060 /* 2061 * When not up+running and a real channel has 2062 * been specified fix the current channel so 2063 * there is immediate feedback; e.g. via ifconfig. 2064 */ 2065 ic->ic_curchan = vap->iv_des_chan; 2066 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2067 } 2068 } 2069 return error; 2070 } 2071 2072 /* 2073 * Old api for setting the current channel; this is 2074 * deprecated because channel numbers are ambiguous. 2075 */ 2076 static int 2077 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2078 const struct ieee80211req *ireq) 2079 { 2080 struct ieee80211com *ic = vap->iv_ic; 2081 struct ieee80211_channel *c; 2082 2083 /* XXX 0xffff overflows 16-bit signed */ 2084 if (ireq->i_val == 0 || 2085 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2086 c = IEEE80211_CHAN_ANYC; 2087 } else { 2088 struct ieee80211_channel *c2; 2089 2090 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2091 if (c == NULL) { 2092 c = findchannel(ic, ireq->i_val, 2093 IEEE80211_MODE_AUTO); 2094 if (c == NULL) 2095 return EINVAL; 2096 } 2097 2098 /* 2099 * Fine tune channel selection based on desired mode: 2100 * if 11b is requested, find the 11b version of any 2101 * 11g channel returned, 2102 * if static turbo, find the turbo version of any 2103 * 11a channel return, 2104 * if 11na is requested, find the ht version of any 2105 * 11a channel returned, 2106 * if 11ng is requested, find the ht version of any 2107 * 11g channel returned, 2108 * if 11ac is requested, find the 11ac version 2109 * of any 11a/11na channel returned, 2110 * (TBD) 11acg (2GHz VHT) 2111 * otherwise we should be ok with what we've got. 2112 */ 2113 switch (vap->iv_des_mode) { 2114 case IEEE80211_MODE_11B: 2115 if (IEEE80211_IS_CHAN_ANYG(c)) { 2116 c2 = findchannel(ic, ireq->i_val, 2117 IEEE80211_MODE_11B); 2118 /* NB: should not happen, =>'s 11g w/o 11b */ 2119 if (c2 != NULL) 2120 c = c2; 2121 } 2122 break; 2123 case IEEE80211_MODE_TURBO_A: 2124 if (IEEE80211_IS_CHAN_A(c)) { 2125 c2 = findchannel(ic, ireq->i_val, 2126 IEEE80211_MODE_TURBO_A); 2127 if (c2 != NULL) 2128 c = c2; 2129 } 2130 break; 2131 case IEEE80211_MODE_11NA: 2132 if (IEEE80211_IS_CHAN_A(c)) { 2133 c2 = findchannel(ic, ireq->i_val, 2134 IEEE80211_MODE_11NA); 2135 if (c2 != NULL) 2136 c = c2; 2137 } 2138 break; 2139 case IEEE80211_MODE_11NG: 2140 if (IEEE80211_IS_CHAN_ANYG(c)) { 2141 c2 = findchannel(ic, ireq->i_val, 2142 IEEE80211_MODE_11NG); 2143 if (c2 != NULL) 2144 c = c2; 2145 } 2146 break; 2147 case IEEE80211_MODE_VHT_2GHZ: 2148 printf("%s: TBD\n", __func__); 2149 break; 2150 case IEEE80211_MODE_VHT_5GHZ: 2151 if (IEEE80211_IS_CHAN_A(c)) { 2152 c2 = findchannel(ic, ireq->i_val, 2153 IEEE80211_MODE_VHT_5GHZ); 2154 if (c2 != NULL) 2155 c = c2; 2156 } 2157 break; 2158 default: /* NB: no static turboG */ 2159 break; 2160 } 2161 } 2162 return setcurchan(vap, c); 2163 } 2164 2165 /* 2166 * New/current api for setting the current channel; a complete 2167 * channel description is provide so there is no ambiguity in 2168 * identifying the channel. 2169 */ 2170 static int 2171 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2172 const struct ieee80211req *ireq) 2173 { 2174 struct ieee80211com *ic = vap->iv_ic; 2175 struct ieee80211_channel chan, *c; 2176 int error; 2177 2178 if (ireq->i_len != sizeof(chan)) 2179 return EINVAL; 2180 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2181 if (error != 0) 2182 return error; 2183 2184 /* XXX 0xffff overflows 16-bit signed */ 2185 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2186 c = IEEE80211_CHAN_ANYC; 2187 } else { 2188 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2189 if (c == NULL) 2190 return EINVAL; 2191 } 2192 return setcurchan(vap, c); 2193 } 2194 2195 static int 2196 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2197 const struct ieee80211req *ireq) 2198 { 2199 struct ieee80211_regdomain_req *reg; 2200 int nchans, error; 2201 2202 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2203 sizeof(struct ieee80211_channel)); 2204 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2205 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2206 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2207 ireq->i_len, nchans); 2208 return EINVAL; 2209 } 2210 reg = (struct ieee80211_regdomain_req *) 2211 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2212 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2213 if (reg == NULL) { 2214 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2215 "%s: no memory, nchans %d\n", __func__, nchans); 2216 return ENOMEM; 2217 } 2218 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2219 if (error == 0) { 2220 /* NB: validate inline channel count against storage size */ 2221 if (reg->chaninfo.ic_nchans != nchans) { 2222 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2223 "%s: chan cnt mismatch, %d != %d\n", __func__, 2224 reg->chaninfo.ic_nchans, nchans); 2225 error = EINVAL; 2226 } else 2227 error = ieee80211_setregdomain(vap, reg); 2228 } 2229 IEEE80211_FREE(reg, M_TEMP); 2230 2231 return (error == 0 ? ENETRESET : error); 2232 } 2233 2234 static int 2235 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2236 const struct ieee80211req *ireq) 2237 { 2238 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2239 return EINVAL; 2240 /* XXX validate params */ 2241 /* XXX? ENETRESET to push to device? */ 2242 return copyin(ireq->i_data, vap->iv_roamparms, 2243 sizeof(vap->iv_roamparms)); 2244 } 2245 2246 static int 2247 checkrate(const struct ieee80211_rateset *rs, int rate) 2248 { 2249 int i; 2250 2251 if (rate == IEEE80211_FIXED_RATE_NONE) 2252 return 1; 2253 for (i = 0; i < rs->rs_nrates; i++) 2254 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2255 return 1; 2256 return 0; 2257 } 2258 2259 static int 2260 checkmcs(const struct ieee80211_htrateset *rs, int mcs) 2261 { 2262 int rate_val = IEEE80211_RV(mcs); 2263 int i; 2264 2265 if (mcs == IEEE80211_FIXED_RATE_NONE) 2266 return 1; 2267 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2268 return 0; 2269 for (i = 0; i < rs->rs_nrates; i++) 2270 if (IEEE80211_RV(rs->rs_rates[i]) == rate_val) 2271 return 1; 2272 return 0; 2273 } 2274 2275 static int 2276 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2277 const struct ieee80211req *ireq) 2278 { 2279 struct ieee80211com *ic = vap->iv_ic; 2280 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2281 struct ieee80211_txparam *src, *dst; 2282 const struct ieee80211_htrateset *rs_ht; 2283 const struct ieee80211_rateset *rs; 2284 int error, mode, changed, is11n, nmodes; 2285 2286 /* NB: accept short requests for backwards compat */ 2287 if (ireq->i_len > sizeof(parms)) 2288 return EINVAL; 2289 error = copyin(ireq->i_data, &parms, ireq->i_len); 2290 if (error != 0) 2291 return error; 2292 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2293 changed = 0; 2294 /* validate parameters and check if anything changed */ 2295 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2296 if (isclr(ic->ic_modecaps, mode)) 2297 continue; 2298 src = &parms.params[mode]; 2299 dst = &vap->iv_txparms[mode]; 2300 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2301 rs_ht = &ic->ic_sup_htrates; 2302 is11n = (mode == IEEE80211_MODE_11NA || 2303 mode == IEEE80211_MODE_11NG); 2304 if (src->ucastrate != dst->ucastrate) { 2305 if (!checkrate(rs, src->ucastrate) && 2306 (!is11n || !checkmcs(rs_ht, src->ucastrate))) 2307 return EINVAL; 2308 changed++; 2309 } 2310 if (src->mcastrate != dst->mcastrate) { 2311 if (!checkrate(rs, src->mcastrate) && 2312 (!is11n || !checkmcs(rs_ht, src->mcastrate))) 2313 return EINVAL; 2314 changed++; 2315 } 2316 if (src->mgmtrate != dst->mgmtrate) { 2317 if (!checkrate(rs, src->mgmtrate) && 2318 (!is11n || !checkmcs(rs_ht, src->mgmtrate))) 2319 return EINVAL; 2320 changed++; 2321 } 2322 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2323 changed++; 2324 } 2325 if (changed) { 2326 /* 2327 * Copy new parameters in place and notify the 2328 * driver so it can push state to the device. 2329 */ 2330 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2331 if (isset(ic->ic_modecaps, mode)) 2332 vap->iv_txparms[mode] = parms.params[mode]; 2333 } 2334 /* XXX could be more intelligent, 2335 e.g. don't reset if setting not being used */ 2336 return ENETRESET; 2337 } 2338 return 0; 2339 } 2340 2341 /* 2342 * Application Information Element support. 2343 */ 2344 static int 2345 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2346 { 2347 struct ieee80211_appie *app = *aie; 2348 struct ieee80211_appie *napp; 2349 int error; 2350 2351 if (ireq->i_len == 0) { /* delete any existing ie */ 2352 if (app != NULL) { 2353 *aie = NULL; /* XXX racey */ 2354 IEEE80211_FREE(app, M_80211_NODE_IE); 2355 } 2356 return 0; 2357 } 2358 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2359 return EINVAL; 2360 /* 2361 * Allocate a new appie structure and copy in the user data. 2362 * When done swap in the new structure. Note that we do not 2363 * guard against users holding a ref to the old structure; 2364 * this must be handled outside this code. 2365 * 2366 * XXX bad bad bad 2367 */ 2368 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2369 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2370 IEEE80211_M_NOWAIT); 2371 if (napp == NULL) 2372 return ENOMEM; 2373 /* XXX holding ic lock */ 2374 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2375 if (error) { 2376 IEEE80211_FREE(napp, M_80211_NODE_IE); 2377 return error; 2378 } 2379 napp->ie_len = ireq->i_len; 2380 *aie = napp; 2381 if (app != NULL) 2382 IEEE80211_FREE(app, M_80211_NODE_IE); 2383 return 0; 2384 } 2385 2386 static void 2387 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2388 { 2389 /* validate data is present as best we can */ 2390 if (space == 0 || 2+ie[1] > space) 2391 return; 2392 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2393 vap->iv_wpa_ie = ie; 2394 else if (ie[0] == IEEE80211_ELEMID_RSN) 2395 vap->iv_rsn_ie = ie; 2396 } 2397 2398 static int 2399 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2400 const struct ieee80211req *ireq, int fc0) 2401 { 2402 int error; 2403 2404 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2405 2406 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2407 case IEEE80211_FC0_SUBTYPE_BEACON: 2408 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2409 vap->iv_opmode != IEEE80211_M_IBSS) { 2410 error = EINVAL; 2411 break; 2412 } 2413 error = setappie(&vap->iv_appie_beacon, ireq); 2414 if (error == 0) 2415 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2416 break; 2417 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2418 error = setappie(&vap->iv_appie_proberesp, ireq); 2419 break; 2420 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2421 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2422 error = setappie(&vap->iv_appie_assocresp, ireq); 2423 else 2424 error = EINVAL; 2425 break; 2426 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2427 error = setappie(&vap->iv_appie_probereq, ireq); 2428 break; 2429 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2430 if (vap->iv_opmode == IEEE80211_M_STA) 2431 error = setappie(&vap->iv_appie_assocreq, ireq); 2432 else 2433 error = EINVAL; 2434 break; 2435 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2436 error = setappie(&vap->iv_appie_wpa, ireq); 2437 if (error == 0) { 2438 /* 2439 * Must split single blob of data into separate 2440 * WPA and RSN ie's because they go in different 2441 * locations in the mgt frames. 2442 * XXX use IEEE80211_IOC_WPA2 so user code does split 2443 */ 2444 vap->iv_wpa_ie = NULL; 2445 vap->iv_rsn_ie = NULL; 2446 if (vap->iv_appie_wpa != NULL) { 2447 struct ieee80211_appie *appie = 2448 vap->iv_appie_wpa; 2449 uint8_t *data = appie->ie_data; 2450 2451 /* XXX ie length validate is painful, cheat */ 2452 setwparsnie(vap, data, appie->ie_len); 2453 setwparsnie(vap, data + 2 + data[1], 2454 appie->ie_len - (2 + data[1])); 2455 } 2456 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2457 vap->iv_opmode == IEEE80211_M_IBSS) { 2458 /* 2459 * Must rebuild beacon frame as the update 2460 * mechanism doesn't handle WPA/RSN ie's. 2461 * Could extend it but it doesn't normally 2462 * change; this is just to deal with hostapd 2463 * plumbing the ie after the interface is up. 2464 */ 2465 error = ENETRESET; 2466 } 2467 } 2468 break; 2469 default: 2470 error = EINVAL; 2471 break; 2472 } 2473 return error; 2474 } 2475 2476 static int 2477 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2478 const struct ieee80211req *ireq) 2479 { 2480 struct ieee80211com *ic = vap->iv_ic; 2481 int error; 2482 uint8_t fc0; 2483 2484 fc0 = ireq->i_val & 0xff; 2485 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2486 return EINVAL; 2487 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2488 IEEE80211_LOCK(ic); 2489 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2490 IEEE80211_UNLOCK(ic); 2491 return error; 2492 } 2493 2494 static int 2495 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2496 { 2497 struct ieee80211com *ic = vap->iv_ic; 2498 struct ieee80211_chanswitch_req csr; 2499 struct ieee80211_channel *c; 2500 int error; 2501 2502 if (ireq->i_len != sizeof(csr)) 2503 return EINVAL; 2504 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2505 if (error != 0) 2506 return error; 2507 /* XXX adhoc mode not supported */ 2508 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2509 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2510 return EOPNOTSUPP; 2511 c = ieee80211_find_channel(ic, 2512 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2513 if (c == NULL) 2514 return ENOENT; 2515 IEEE80211_LOCK(ic); 2516 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2517 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2518 else if (csr.csa_count == 0) 2519 ieee80211_csa_cancelswitch(ic); 2520 else 2521 error = EBUSY; 2522 IEEE80211_UNLOCK(ic); 2523 return error; 2524 } 2525 2526 static int 2527 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2528 { 2529 #define IEEE80211_IOC_SCAN_FLAGS \ 2530 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2531 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2532 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2533 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2534 IEEE80211_IOC_SCAN_CHECK) 2535 struct ieee80211com *ic = vap->iv_ic; 2536 int error, i; 2537 2538 /* convert duration */ 2539 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2540 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2541 else { 2542 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2543 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2544 return EINVAL; 2545 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2546 if (sr->sr_duration < 1) 2547 sr->sr_duration = 1; 2548 } 2549 /* convert min/max channel dwell */ 2550 if (sr->sr_mindwell != 0) { 2551 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2552 if (sr->sr_mindwell < 1) 2553 sr->sr_mindwell = 1; 2554 } 2555 if (sr->sr_maxdwell != 0) { 2556 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2557 if (sr->sr_maxdwell < 1) 2558 sr->sr_maxdwell = 1; 2559 } 2560 /* NB: silently reduce ssid count to what is supported */ 2561 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2562 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2563 for (i = 0; i < sr->sr_nssid; i++) 2564 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2565 return EINVAL; 2566 /* cleanse flags just in case, could reject if invalid flags */ 2567 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2568 /* 2569 * Add an implicit NOPICK if the vap is not marked UP. This 2570 * allows applications to scan without joining a bss (or picking 2571 * a channel and setting up a bss) and without forcing manual 2572 * roaming mode--you just need to mark the parent device UP. 2573 */ 2574 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2575 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2576 2577 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2578 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2579 __func__, sr->sr_flags, 2580 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2581 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2582 /* 2583 * If we are in INIT state then the driver has never had a chance 2584 * to setup hardware state to do a scan; we must use the state 2585 * machine to get us up to the SCAN state but once we reach SCAN 2586 * state we then want to use the supplied params. Stash the 2587 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2588 * state machines will recognize this and use the stashed params 2589 * to issue the scan request. 2590 * 2591 * Otherwise just invoke the scan machinery directly. 2592 */ 2593 IEEE80211_LOCK(ic); 2594 if (ic->ic_nrunning == 0) { 2595 IEEE80211_UNLOCK(ic); 2596 return ENXIO; 2597 } 2598 2599 if (vap->iv_state == IEEE80211_S_INIT) { 2600 /* NB: clobbers previous settings */ 2601 vap->iv_scanreq_flags = sr->sr_flags; 2602 vap->iv_scanreq_duration = sr->sr_duration; 2603 vap->iv_scanreq_nssid = sr->sr_nssid; 2604 for (i = 0; i < sr->sr_nssid; i++) { 2605 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2606 memcpy(vap->iv_scanreq_ssid[i].ssid, 2607 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2608 } 2609 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2610 IEEE80211_UNLOCK(ic); 2611 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2612 } else { 2613 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2614 IEEE80211_UNLOCK(ic); 2615 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2616 error = ieee80211_check_scan(vap, sr->sr_flags, 2617 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2618 sr->sr_nssid, 2619 /* NB: cheat, we assume structures are compatible */ 2620 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2621 } else { 2622 error = ieee80211_start_scan(vap, sr->sr_flags, 2623 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2624 sr->sr_nssid, 2625 /* NB: cheat, we assume structures are compatible */ 2626 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2627 } 2628 if (error == 0) 2629 return EINPROGRESS; 2630 } 2631 return 0; 2632 #undef IEEE80211_IOC_SCAN_FLAGS 2633 } 2634 2635 static int 2636 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2637 { 2638 struct ieee80211_scan_req *sr; 2639 int error; 2640 2641 if (ireq->i_len != sizeof(*sr)) 2642 return EINVAL; 2643 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2644 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2645 if (sr == NULL) 2646 return ENOMEM; 2647 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2648 if (error != 0) 2649 goto bad; 2650 error = ieee80211_scanreq(vap, sr); 2651 bad: 2652 IEEE80211_FREE(sr, M_TEMP); 2653 return error; 2654 } 2655 2656 static int 2657 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2658 { 2659 struct ieee80211_node *ni; 2660 struct ieee80211req_sta_vlan vlan; 2661 int error; 2662 2663 if (ireq->i_len != sizeof(vlan)) 2664 return EINVAL; 2665 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2666 if (error != 0) 2667 return error; 2668 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2669 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2670 vlan.sv_macaddr); 2671 if (ni == NULL) 2672 return ENOENT; 2673 } else 2674 ni = ieee80211_ref_node(vap->iv_bss); 2675 ni->ni_vlan = vlan.sv_vlan; 2676 ieee80211_free_node(ni); 2677 return error; 2678 } 2679 2680 static int 2681 isvap11g(const struct ieee80211vap *vap) 2682 { 2683 const struct ieee80211_node *bss = vap->iv_bss; 2684 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2685 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2686 } 2687 2688 static int 2689 isvapht(const struct ieee80211vap *vap) 2690 { 2691 const struct ieee80211_node *bss = vap->iv_bss; 2692 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2693 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2694 } 2695 2696 /* 2697 * Dummy ioctl set handler so the linker set is defined. 2698 */ 2699 static __unused int 2700 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2701 { 2702 return ENOSYS; 2703 } 2704 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2705 2706 static int 2707 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2708 { 2709 #ifdef notyet 2710 ieee80211_ioctl_setfunc * const *set; 2711 int error; 2712 2713 SET_FOREACH(set, ieee80211_ioctl_setset) { 2714 error = (*set)(vap, ireq); 2715 if (error != ENOSYS) 2716 return error; 2717 } 2718 #else 2719 printf ("ieee80211_ioctl_setdefault called\n"); 2720 #endif 2721 return EINVAL; 2722 } 2723 2724 static int 2725 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2726 { 2727 struct ieee80211com *ic = vap->iv_ic; 2728 int error; 2729 const struct ieee80211_authenticator *auth; 2730 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2731 char tmpssid[IEEE80211_NWID_LEN]; 2732 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2733 struct ieee80211_key *k; 2734 u_int kid; 2735 uint32_t flags; 2736 2737 error = 0; 2738 switch (ireq->i_type) { 2739 case IEEE80211_IOC_SSID: 2740 if (ireq->i_val != 0 || 2741 ireq->i_len > IEEE80211_NWID_LEN) 2742 return EINVAL; 2743 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2744 if (error) 2745 break; 2746 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2747 vap->iv_des_ssid[0].len = ireq->i_len; 2748 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2749 vap->iv_des_nssid = (ireq->i_len > 0); 2750 error = ENETRESET; 2751 break; 2752 case IEEE80211_IOC_WEP: 2753 switch (ireq->i_val) { 2754 case IEEE80211_WEP_OFF: 2755 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2756 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2757 break; 2758 case IEEE80211_WEP_ON: 2759 vap->iv_flags |= IEEE80211_F_PRIVACY; 2760 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2761 break; 2762 case IEEE80211_WEP_MIXED: 2763 vap->iv_flags |= IEEE80211_F_PRIVACY; 2764 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2765 break; 2766 } 2767 error = ENETRESET; 2768 break; 2769 case IEEE80211_IOC_WEPKEY: 2770 kid = (u_int) ireq->i_val; 2771 if (kid >= IEEE80211_WEP_NKID) 2772 return EINVAL; 2773 k = &vap->iv_nw_keys[kid]; 2774 if (ireq->i_len == 0) { 2775 /* zero-len =>'s delete any existing key */ 2776 (void) ieee80211_crypto_delkey(vap, k); 2777 break; 2778 } 2779 if (ireq->i_len > sizeof(tmpkey)) 2780 return EINVAL; 2781 memset(tmpkey, 0, sizeof(tmpkey)); 2782 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2783 if (error) 2784 break; 2785 ieee80211_key_update_begin(vap); 2786 k->wk_keyix = kid; /* NB: force fixed key id */ 2787 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2788 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2789 k->wk_keylen = ireq->i_len; 2790 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2791 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2792 if (!ieee80211_crypto_setkey(vap, k)) 2793 error = EINVAL; 2794 } else 2795 error = EINVAL; 2796 ieee80211_key_update_end(vap); 2797 break; 2798 case IEEE80211_IOC_WEPTXKEY: 2799 kid = (u_int) ireq->i_val; 2800 if (kid >= IEEE80211_WEP_NKID && 2801 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2802 return EINVAL; 2803 /* 2804 * Firmware devices may need to be told about an explicit 2805 * key index here, versus just inferring it from the 2806 * key set / change. Since we may also need to pause 2807 * things like transmit before the key is updated, 2808 * give the driver a chance to flush things by tying 2809 * into key update begin/end. 2810 */ 2811 ieee80211_key_update_begin(vap); 2812 ieee80211_crypto_set_deftxkey(vap, kid); 2813 ieee80211_key_update_end(vap); 2814 break; 2815 case IEEE80211_IOC_AUTHMODE: 2816 switch (ireq->i_val) { 2817 case IEEE80211_AUTH_WPA: 2818 case IEEE80211_AUTH_8021X: /* 802.1x */ 2819 case IEEE80211_AUTH_OPEN: /* open */ 2820 case IEEE80211_AUTH_SHARED: /* shared-key */ 2821 case IEEE80211_AUTH_AUTO: /* auto */ 2822 auth = ieee80211_authenticator_get(ireq->i_val); 2823 if (auth == NULL) 2824 return EINVAL; 2825 break; 2826 default: 2827 return EINVAL; 2828 } 2829 switch (ireq->i_val) { 2830 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2831 vap->iv_flags |= IEEE80211_F_PRIVACY; 2832 ireq->i_val = IEEE80211_AUTH_8021X; 2833 break; 2834 case IEEE80211_AUTH_OPEN: /* open */ 2835 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2836 break; 2837 case IEEE80211_AUTH_SHARED: /* shared-key */ 2838 case IEEE80211_AUTH_8021X: /* 802.1x */ 2839 vap->iv_flags &= ~IEEE80211_F_WPA; 2840 /* both require a key so mark the PRIVACY capability */ 2841 vap->iv_flags |= IEEE80211_F_PRIVACY; 2842 break; 2843 case IEEE80211_AUTH_AUTO: /* auto */ 2844 vap->iv_flags &= ~IEEE80211_F_WPA; 2845 /* XXX PRIVACY handling? */ 2846 /* XXX what's the right way to do this? */ 2847 break; 2848 } 2849 /* NB: authenticator attach/detach happens on state change */ 2850 vap->iv_bss->ni_authmode = ireq->i_val; 2851 /* XXX mixed/mode/usage? */ 2852 vap->iv_auth = auth; 2853 error = ENETRESET; 2854 break; 2855 case IEEE80211_IOC_CHANNEL: 2856 error = ieee80211_ioctl_setchannel(vap, ireq); 2857 break; 2858 case IEEE80211_IOC_POWERSAVE: 2859 switch (ireq->i_val) { 2860 case IEEE80211_POWERSAVE_OFF: 2861 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2862 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2863 error = ERESTART; 2864 } 2865 break; 2866 case IEEE80211_POWERSAVE_ON: 2867 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2868 error = EOPNOTSUPP; 2869 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2870 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2871 error = ERESTART; 2872 } 2873 break; 2874 default: 2875 error = EINVAL; 2876 break; 2877 } 2878 break; 2879 case IEEE80211_IOC_POWERSAVESLEEP: 2880 if (ireq->i_val < 0) 2881 return EINVAL; 2882 ic->ic_lintval = ireq->i_val; 2883 error = ERESTART; 2884 break; 2885 case IEEE80211_IOC_RTSTHRESHOLD: 2886 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2887 ireq->i_val <= IEEE80211_RTS_MAX)) 2888 return EINVAL; 2889 vap->iv_rtsthreshold = ireq->i_val; 2890 error = ERESTART; 2891 break; 2892 case IEEE80211_IOC_PROTMODE: 2893 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2894 return EINVAL; 2895 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val; 2896 /* NB: if not operating in 11g this can wait */ 2897 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2898 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2899 error = ERESTART; 2900 break; 2901 case IEEE80211_IOC_TXPOWER: 2902 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2903 return EOPNOTSUPP; 2904 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2905 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2906 return EINVAL; 2907 ic->ic_txpowlimit = ireq->i_val; 2908 error = ERESTART; 2909 break; 2910 case IEEE80211_IOC_ROAMING: 2911 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2912 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2913 return EINVAL; 2914 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2915 /* XXXX reset? */ 2916 break; 2917 case IEEE80211_IOC_PRIVACY: 2918 if (ireq->i_val) { 2919 /* XXX check for key state? */ 2920 vap->iv_flags |= IEEE80211_F_PRIVACY; 2921 } else 2922 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2923 /* XXX ERESTART? */ 2924 break; 2925 case IEEE80211_IOC_DROPUNENCRYPTED: 2926 if (ireq->i_val) 2927 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2928 else 2929 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2930 /* XXX ERESTART? */ 2931 break; 2932 case IEEE80211_IOC_WPAKEY: 2933 error = ieee80211_ioctl_setkey(vap, ireq); 2934 break; 2935 case IEEE80211_IOC_DELKEY: 2936 error = ieee80211_ioctl_delkey(vap, ireq); 2937 break; 2938 case IEEE80211_IOC_MLME: 2939 error = ieee80211_ioctl_setmlme(vap, ireq); 2940 break; 2941 case IEEE80211_IOC_COUNTERMEASURES: 2942 if (ireq->i_val) { 2943 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2944 return EOPNOTSUPP; 2945 vap->iv_flags |= IEEE80211_F_COUNTERM; 2946 } else 2947 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2948 /* XXX ERESTART? */ 2949 break; 2950 case IEEE80211_IOC_WPA: 2951 if (ireq->i_val > 3) 2952 return EINVAL; 2953 /* XXX verify ciphers available */ 2954 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2955 switch (ireq->i_val) { 2956 case 0: 2957 /* wpa_supplicant calls this to clear the WPA config */ 2958 break; 2959 case 1: 2960 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2961 return EOPNOTSUPP; 2962 flags |= IEEE80211_F_WPA1; 2963 break; 2964 case 2: 2965 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2966 return EOPNOTSUPP; 2967 flags |= IEEE80211_F_WPA2; 2968 break; 2969 case 3: 2970 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2971 return EOPNOTSUPP; 2972 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2973 break; 2974 default: /* Can't set any -> error */ 2975 return EOPNOTSUPP; 2976 } 2977 vap->iv_flags = flags; 2978 error = ERESTART; /* NB: can change beacon frame */ 2979 break; 2980 case IEEE80211_IOC_WME: 2981 if (ireq->i_val) { 2982 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2983 return EOPNOTSUPP; 2984 ieee80211_syncflag(vap, IEEE80211_F_WME); 2985 } else 2986 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2987 error = ERESTART; /* NB: can change beacon frame */ 2988 break; 2989 case IEEE80211_IOC_HIDESSID: 2990 if (ireq->i_val) 2991 vap->iv_flags |= IEEE80211_F_HIDESSID; 2992 else 2993 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2994 error = ERESTART; /* XXX ENETRESET? */ 2995 break; 2996 case IEEE80211_IOC_APBRIDGE: 2997 if (ireq->i_val == 0) 2998 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2999 else 3000 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 3001 break; 3002 case IEEE80211_IOC_BSSID: 3003 if (ireq->i_len != sizeof(tmpbssid)) 3004 return EINVAL; 3005 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 3006 if (error) 3007 break; 3008 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 3009 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 3010 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 3011 else 3012 vap->iv_flags |= IEEE80211_F_DESBSSID; 3013 error = ENETRESET; 3014 break; 3015 case IEEE80211_IOC_CHANLIST: 3016 error = ieee80211_ioctl_setchanlist(vap, ireq); 3017 break; 3018 #define OLD_IEEE80211_IOC_SCAN_REQ 23 3019 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 3020 case OLD_IEEE80211_IOC_SCAN_REQ: 3021 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3022 "%s: active scan request\n", __func__); 3023 /* 3024 * If we are in INIT state then the driver has never 3025 * had a chance to setup hardware state to do a scan; 3026 * use the state machine to get us up the SCAN state. 3027 * Otherwise just invoke the scan machinery to start 3028 * a one-time scan. 3029 */ 3030 if (vap->iv_state == IEEE80211_S_INIT) 3031 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 3032 else 3033 (void) ieee80211_start_scan(vap, 3034 IEEE80211_SCAN_ACTIVE | 3035 IEEE80211_SCAN_NOPICK | 3036 IEEE80211_SCAN_ONCE, 3037 IEEE80211_SCAN_FOREVER, 0, 0, 3038 /* XXX use ioctl params */ 3039 vap->iv_des_nssid, vap->iv_des_ssid); 3040 break; 3041 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 3042 case IEEE80211_IOC_SCAN_REQ: 3043 error = ieee80211_ioctl_scanreq(vap, ireq); 3044 break; 3045 case IEEE80211_IOC_SCAN_CANCEL: 3046 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3047 "%s: cancel scan\n", __func__); 3048 #if __NetBSD__ 3049 /* Bug in FreeBSD? */ 3050 IEEE80211_LOCK(ic); 3051 #endif 3052 ieee80211_cancel_scan(vap); 3053 #if __NetBSD__ 3054 IEEE80211_UNLOCK(ic); 3055 #endif 3056 break; 3057 case IEEE80211_IOC_HTCONF: 3058 if (ireq->i_val & 1) 3059 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 3060 else 3061 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 3062 if (ireq->i_val & 2) 3063 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 3064 else 3065 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 3066 error = ENETRESET; 3067 break; 3068 case IEEE80211_IOC_ADDMAC: 3069 case IEEE80211_IOC_DELMAC: 3070 error = ieee80211_ioctl_macmac(vap, ireq); 3071 break; 3072 case IEEE80211_IOC_MACCMD: 3073 error = ieee80211_ioctl_setmaccmd(vap, ireq); 3074 break; 3075 case IEEE80211_IOC_STA_STATS: 3076 error = ieee80211_ioctl_setstastats(vap, ireq); 3077 break; 3078 case IEEE80211_IOC_STA_TXPOW: 3079 error = ieee80211_ioctl_setstatxpow(vap, ireq); 3080 break; 3081 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 3082 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 3083 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 3084 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 3085 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 3086 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 3087 error = ieee80211_ioctl_setwmeparam(vap, ireq); 3088 break; 3089 case IEEE80211_IOC_DTIM_PERIOD: 3090 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3091 vap->iv_opmode != IEEE80211_M_MBSS && 3092 vap->iv_opmode != IEEE80211_M_IBSS) 3093 return EINVAL; 3094 if (IEEE80211_DTIM_MIN <= ireq->i_val && 3095 ireq->i_val <= IEEE80211_DTIM_MAX) { 3096 vap->iv_dtim_period = ireq->i_val; 3097 error = ENETRESET; /* requires restart */ 3098 } else 3099 error = EINVAL; 3100 break; 3101 case IEEE80211_IOC_BEACON_INTERVAL: 3102 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3103 vap->iv_opmode != IEEE80211_M_MBSS && 3104 vap->iv_opmode != IEEE80211_M_IBSS) 3105 return EINVAL; 3106 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 3107 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 3108 ic->ic_bintval = ireq->i_val; 3109 error = ENETRESET; /* requires restart */ 3110 } else 3111 error = EINVAL; 3112 break; 3113 case IEEE80211_IOC_PUREG: 3114 if (ireq->i_val) 3115 vap->iv_flags |= IEEE80211_F_PUREG; 3116 else 3117 vap->iv_flags &= ~IEEE80211_F_PUREG; 3118 /* NB: reset only if we're operating on an 11g channel */ 3119 if (isvap11g(vap)) 3120 error = ENETRESET; 3121 break; 3122 case IEEE80211_IOC_QUIET: 3123 vap->iv_quiet= ireq->i_val; 3124 break; 3125 case IEEE80211_IOC_QUIET_COUNT: 3126 vap->iv_quiet_count=ireq->i_val; 3127 break; 3128 case IEEE80211_IOC_QUIET_PERIOD: 3129 vap->iv_quiet_period=ireq->i_val; 3130 break; 3131 case IEEE80211_IOC_QUIET_OFFSET: 3132 vap->iv_quiet_offset=ireq->i_val; 3133 break; 3134 case IEEE80211_IOC_QUIET_DUR: 3135 if(ireq->i_val < vap->iv_bss->ni_intval) 3136 vap->iv_quiet_duration = ireq->i_val; 3137 else 3138 error = EINVAL; 3139 break; 3140 case IEEE80211_IOC_BGSCAN: 3141 if (ireq->i_val) { 3142 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3143 return EOPNOTSUPP; 3144 vap->iv_flags |= IEEE80211_F_BGSCAN; 3145 } else 3146 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3147 break; 3148 case IEEE80211_IOC_BGSCAN_IDLE: 3149 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3150 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3151 else 3152 error = EINVAL; 3153 break; 3154 case IEEE80211_IOC_BGSCAN_INTERVAL: 3155 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3156 vap->iv_bgscanintvl = ireq->i_val*hz; 3157 else 3158 error = EINVAL; 3159 break; 3160 case IEEE80211_IOC_SCANVALID: 3161 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3162 vap->iv_scanvalid = ireq->i_val*hz; 3163 else 3164 error = EINVAL; 3165 break; 3166 case IEEE80211_IOC_FRAGTHRESHOLD: 3167 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3168 ireq->i_val != IEEE80211_FRAG_MAX) 3169 return EOPNOTSUPP; 3170 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3171 ireq->i_val <= IEEE80211_FRAG_MAX)) 3172 return EINVAL; 3173 vap->iv_fragthreshold = ireq->i_val; 3174 error = ERESTART; 3175 break; 3176 case IEEE80211_IOC_BURST: 3177 if (ireq->i_val) { 3178 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3179 return EOPNOTSUPP; 3180 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3181 } else 3182 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3183 error = ERESTART; 3184 break; 3185 case IEEE80211_IOC_BMISSTHRESHOLD: 3186 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3187 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3188 return EINVAL; 3189 vap->iv_bmissthreshold = ireq->i_val; 3190 error = ERESTART; 3191 break; 3192 case IEEE80211_IOC_CURCHAN: 3193 error = ieee80211_ioctl_setcurchan(vap, ireq); 3194 break; 3195 case IEEE80211_IOC_SHORTGI: 3196 if (ireq->i_val) { 3197 #define IEEE80211_HTCAP_SHORTGI \ 3198 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3199 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3200 return EINVAL; 3201 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3202 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3203 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3204 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3205 #undef IEEE80211_HTCAP_SHORTGI 3206 } else 3207 vap->iv_flags_ht &= 3208 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3209 error = ERESTART; 3210 break; 3211 case IEEE80211_IOC_AMPDU: 3212 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3213 return EINVAL; 3214 if (ireq->i_val & 1) 3215 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3216 else 3217 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3218 if (ireq->i_val & 2) 3219 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3220 else 3221 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3222 /* NB: reset only if we're operating on an 11n channel */ 3223 if (isvapht(vap)) 3224 error = ERESTART; 3225 break; 3226 case IEEE80211_IOC_AMPDU_LIMIT: 3227 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */ 3228 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3229 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3230 return EINVAL; 3231 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3232 vap->iv_ampdu_rxmax = ireq->i_val; 3233 else 3234 vap->iv_ampdu_limit = ireq->i_val; 3235 error = ERESTART; 3236 break; 3237 case IEEE80211_IOC_AMPDU_DENSITY: 3238 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3239 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3240 return EINVAL; 3241 vap->iv_ampdu_density = ireq->i_val; 3242 error = ERESTART; 3243 break; 3244 case IEEE80211_IOC_AMSDU: 3245 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3246 return EINVAL; 3247 if (ireq->i_val & 1) 3248 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3249 else 3250 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3251 if (ireq->i_val & 2) 3252 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3253 else 3254 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3255 /* NB: reset only if we're operating on an 11n channel */ 3256 if (isvapht(vap)) 3257 error = ERESTART; 3258 break; 3259 case IEEE80211_IOC_AMSDU_LIMIT: 3260 /* XXX validate */ 3261 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3262 break; 3263 case IEEE80211_IOC_PUREN: 3264 if (ireq->i_val) { 3265 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3266 return EINVAL; 3267 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3268 } else 3269 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3270 /* NB: reset only if we're operating on an 11n channel */ 3271 if (isvapht(vap)) 3272 error = ERESTART; 3273 break; 3274 case IEEE80211_IOC_DOTH: 3275 if (ireq->i_val) { 3276 #if 0 3277 /* XXX no capability */ 3278 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3279 return EOPNOTSUPP; 3280 #endif 3281 vap->iv_flags |= IEEE80211_F_DOTH; 3282 } else 3283 vap->iv_flags &= ~IEEE80211_F_DOTH; 3284 error = ENETRESET; 3285 break; 3286 case IEEE80211_IOC_REGDOMAIN: 3287 error = ieee80211_ioctl_setregdomain(vap, ireq); 3288 break; 3289 case IEEE80211_IOC_ROAM: 3290 error = ieee80211_ioctl_setroam(vap, ireq); 3291 break; 3292 case IEEE80211_IOC_TXPARAMS: 3293 error = ieee80211_ioctl_settxparams(vap, ireq); 3294 break; 3295 case IEEE80211_IOC_HTCOMPAT: 3296 if (ireq->i_val) { 3297 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3298 return EOPNOTSUPP; 3299 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3300 } else 3301 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3302 /* NB: reset only if we're operating on an 11n channel */ 3303 if (isvapht(vap)) 3304 error = ERESTART; 3305 break; 3306 case IEEE80211_IOC_DWDS: 3307 if (ireq->i_val) { 3308 /* NB: DWDS only makes sense for WDS-capable devices */ 3309 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3310 return EOPNOTSUPP; 3311 /* NB: DWDS is used only with ap+sta vaps */ 3312 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3313 vap->iv_opmode != IEEE80211_M_STA) 3314 return EINVAL; 3315 vap->iv_flags |= IEEE80211_F_DWDS; 3316 if (vap->iv_opmode == IEEE80211_M_STA) 3317 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3318 } else { 3319 vap->iv_flags &= ~IEEE80211_F_DWDS; 3320 if (vap->iv_opmode == IEEE80211_M_STA) 3321 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3322 } 3323 break; 3324 case IEEE80211_IOC_INACTIVITY: 3325 if (ireq->i_val) 3326 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3327 else 3328 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3329 break; 3330 case IEEE80211_IOC_APPIE: 3331 error = ieee80211_ioctl_setappie(vap, ireq); 3332 break; 3333 case IEEE80211_IOC_WPS: 3334 if (ireq->i_val) { 3335 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3336 return EOPNOTSUPP; 3337 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3338 } else 3339 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3340 break; 3341 case IEEE80211_IOC_TSN: 3342 if (ireq->i_val) { 3343 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3344 return EOPNOTSUPP; 3345 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3346 } else 3347 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3348 break; 3349 case IEEE80211_IOC_CHANSWITCH: 3350 error = ieee80211_ioctl_chanswitch(vap, ireq); 3351 break; 3352 case IEEE80211_IOC_DFS: 3353 if (ireq->i_val) { 3354 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3355 return EOPNOTSUPP; 3356 /* NB: DFS requires 11h support */ 3357 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3358 return EINVAL; 3359 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3360 } else 3361 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3362 break; 3363 case IEEE80211_IOC_DOTD: 3364 if (ireq->i_val) 3365 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3366 else 3367 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3368 if (vap->iv_opmode == IEEE80211_M_STA) 3369 error = ENETRESET; 3370 break; 3371 case IEEE80211_IOC_HTPROTMODE: 3372 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3373 return EINVAL; 3374 ic->ic_htprotmode = ireq->i_val ? 3375 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3376 /* NB: if not operating in 11n this can wait */ 3377 if (isvapht(vap)) 3378 error = ERESTART; 3379 break; 3380 case IEEE80211_IOC_STA_VLAN: 3381 error = ieee80211_ioctl_setstavlan(vap, ireq); 3382 break; 3383 case IEEE80211_IOC_SMPS: 3384 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3385 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3386 return EINVAL; 3387 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3388 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3389 return EOPNOTSUPP; 3390 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3391 ireq->i_val; 3392 /* NB: if not operating in 11n this can wait */ 3393 if (isvapht(vap)) 3394 error = ERESTART; 3395 break; 3396 case IEEE80211_IOC_RIFS: 3397 if (ireq->i_val != 0) { 3398 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3399 return EOPNOTSUPP; 3400 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3401 } else 3402 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3403 /* NB: if not operating in 11n this can wait */ 3404 if (isvapht(vap)) 3405 error = ERESTART; 3406 break; 3407 case IEEE80211_IOC_STBC: 3408 /* Check if we can do STBC TX/RX before changing the setting */ 3409 if ((ireq->i_val & 1) && 3410 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0)) 3411 return EOPNOTSUPP; 3412 if ((ireq->i_val & 2) && 3413 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0)) 3414 return EOPNOTSUPP; 3415 3416 /* TX */ 3417 if (ireq->i_val & 1) 3418 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX; 3419 else 3420 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX; 3421 3422 /* RX */ 3423 if (ireq->i_val & 2) 3424 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX; 3425 else 3426 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX; 3427 3428 /* NB: reset only if we're operating on an 11n channel */ 3429 if (isvapht(vap)) 3430 error = ERESTART; 3431 break; 3432 case IEEE80211_IOC_LDPC: 3433 /* Check if we can do LDPC TX/RX before changing the setting */ 3434 if ((ireq->i_val & 1) && 3435 (vap->iv_htcaps & IEEE80211_HTC_TXLDPC) == 0) 3436 return EOPNOTSUPP; 3437 if ((ireq->i_val & 2) && 3438 (vap->iv_htcaps & IEEE80211_HTCAP_LDPC) == 0) 3439 return EOPNOTSUPP; 3440 3441 /* TX */ 3442 if (ireq->i_val & 1) 3443 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX; 3444 else 3445 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_TX; 3446 3447 /* RX */ 3448 if (ireq->i_val & 2) 3449 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX; 3450 else 3451 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_RX; 3452 3453 /* NB: reset only if we're operating on an 11n channel */ 3454 if (isvapht(vap)) 3455 error = ERESTART; 3456 break; 3457 3458 /* VHT */ 3459 case IEEE80211_IOC_VHTCONF: 3460 if (ireq->i_val & 1) 3461 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_VHT); 3462 else 3463 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_VHT); 3464 3465 if (ireq->i_val & 2) 3466 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT40); 3467 else 3468 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT40); 3469 3470 if (ireq->i_val & 4) 3471 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80); 3472 else 3473 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80); 3474 3475 if (ireq->i_val & 8) 3476 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80P80); 3477 else 3478 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80P80); 3479 3480 if (ireq->i_val & 16) 3481 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT160); 3482 else 3483 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT160); 3484 3485 error = ENETRESET; 3486 break; 3487 3488 default: 3489 error = ieee80211_ioctl_setdefault(vap, ireq); 3490 break; 3491 } 3492 /* 3493 * The convention is that ENETRESET means an operation 3494 * requires a complete re-initialization of the device (e.g. 3495 * changing something that affects the association state). 3496 * ERESTART means the request may be handled with only a 3497 * reload of the hardware state. We hand ERESTART requests 3498 * to the iv_reset callback so the driver can decide. If 3499 * a device does not fillin iv_reset then it defaults to one 3500 * that returns ENETRESET. Otherwise a driver may return 3501 * ENETRESET (in which case a full reset will be done) or 3502 * 0 to mean there's no need to do anything (e.g. when the 3503 * change has no effect on the driver/device). 3504 */ 3505 if (error == ERESTART) 3506 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3507 vap->iv_reset(vap, ireq->i_type) : 0; 3508 if (error == ENETRESET) { 3509 /* XXX need to re-think AUTO handling */ 3510 if (IS_UP_AUTO(vap)) 3511 #if __FreeBSD__ 3512 ieee80211_init(vap); 3513 #elif __NetBSD__ 3514 /* arg is a vap in 802.11 code */ 3515 ieee80211_init((struct ifnet *)vap); 3516 #endif 3517 error = 0; 3518 } 3519 return error; 3520 } 3521 3522 int 3523 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3524 { 3525 struct ieee80211vap *vap = ifp->if_softc; 3526 struct ieee80211com *ic = vap->iv_ic; 3527 int error = 0, wait = 0; 3528 struct ifreq *ifr; 3529 struct ifaddr *ifa; /* XXX */ 3530 #if __NetBSD__ 3531 struct ieee80211_nwid nwid; 3532 // struct ieee80211_nwkey *nwkey; 3533 // struct ieee80211_power *power; 3534 // struct ieee80211chanreq *chanreq; 3535 3536 ifr = (struct ifreq *)data; 3537 #endif 3538 3539 printf ("ieee80211_ioctl: cmd is 0x%lx. ('%c', %ld)\n", cmd, 3540 (char) ((cmd>>8) & 0xff), cmd & 0xff ); 3541 3542 switch (cmd) { 3543 case SIOCSIFFLAGS: 3544 IEEE80211_LOCK(ic); 3545 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) { 3546 printf (" promisc mode\n"); 3547 /* 3548 * Enable promiscuous mode when: 3549 * 1. Interface is not a member of bridge, or 3550 * 2. Requested by user, or 3551 * 3. In monitor (or adhoc-demo) mode. 3552 */ 3553 if (ifp->if_bridge == NULL || 3554 (ifp->if_flags & IFF_PPROMISC) != 0 || 3555 vap->iv_opmode == IEEE80211_M_MONITOR || 3556 (vap->iv_opmode == IEEE80211_M_AHDEMO && 3557 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) { 3558 ieee80211_promisc(vap, 3559 ifp->if_flags & IFF_PROMISC); 3560 vap->iv_ifflags ^= IFF_PROMISC; 3561 } 3562 } 3563 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) { 3564 printf (" allmulti\n"); 3565 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3566 vap->iv_ifflags ^= IFF_ALLMULTI; 3567 } 3568 if (ifp->if_flags & IFF_UP) { 3569 printf (" up flag\n"); 3570 /* 3571 * Bring ourself up unless we're already operational. 3572 * If we're the first vap and the parent is not up 3573 * then it will automatically be brought up as a 3574 * side-effect of bringing ourself up. 3575 */ 3576 if (vap->iv_state == IEEE80211_S_INIT) { 3577 if (ic->ic_nrunning == 0) 3578 wait = 1; 3579 printf ("Should call start_locked ...\n"); 3580 wait = 0; 3581 // ieee80211_start_locked(vap); 3582 } 3583 #if __FreeBSD__ 3584 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3585 #elif __NetBSD__ 3586 } else if (ifp->if_flags & IFF_RUNNING) { 3587 #endif 3588 /* 3589 * Stop ourself. If we are the last vap to be 3590 * marked down the parent will also be taken down. 3591 */ 3592 if (ic->ic_nrunning == 1) 3593 wait = 1; 3594 ieee80211_stop_locked(vap); 3595 } 3596 IEEE80211_UNLOCK(ic); 3597 /* Wait for parent ioctl handler if it was queued */ 3598 if (wait) { 3599 ieee80211_waitfor_parent(ic); 3600 3601 /* 3602 * Check if the MAC address was changed 3603 * via SIOCSIFLLADDR ioctl. 3604 */ 3605 if_addr_rlock(ifp); 3606 if ((ifp->if_flags & IFF_UP) == 0 && 3607 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp))) 3608 IEEE80211_ADDR_COPY(vap->iv_myaddr, 3609 IF_LLADDR(ifp)); 3610 if_addr_runlock(ifp); 3611 } 3612 break; 3613 case SIOCADDMULTI: 3614 case SIOCDELMULTI: 3615 ieee80211_runtask(ic, &ic->ic_mcast_task); 3616 break; 3617 case SIOCSIFMEDIA: 3618 case SIOCGIFMEDIA: 3619 ifr = (struct ifreq *)data; 3620 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3621 break; 3622 case SIOCG80211: 3623 error = ieee80211_ioctl_get80211(vap, cmd, 3624 (struct ieee80211req *) data); 3625 break; 3626 case SIOCS80211: 3627 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3628 if (error == 0) 3629 error = ieee80211_ioctl_set80211(vap, cmd, 3630 (struct ieee80211req *) data); 3631 break; 3632 case SIOCG80211STATS: 3633 ifr = (struct ifreq *)data; 3634 #if __FreeBSD__ 3635 copyout(&vap->iv_stats, ifr_data_get_ptr(ifr), 3636 sizeof (vap->iv_stats)); 3637 #elif__NetBSD__ 3638 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3639 #endif 3640 break; 3641 case SIOCSIFMTU: 3642 ifr = (struct ifreq *)data; 3643 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3644 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3645 error = EINVAL; 3646 else 3647 ifp->if_mtu = ifr->ifr_mtu; 3648 break; 3649 case SIOCSIFADDR: 3650 /* 3651 * XXX Handle this directly so we can suppress if_init calls. 3652 * XXX This should be done in ether_ioctl but for the moment 3653 * XXX there are too many other parts of the system that 3654 * XXX set IFF_UP and so suppress if_init being called when 3655 * XXX it should be. 3656 */ 3657 ifa = (struct ifaddr *) data; 3658 switch (ifa->ifa_addr->sa_family) { 3659 #ifdef INET 3660 case AF_INET: 3661 if ((ifp->if_flags & IFF_UP) == 0) { 3662 ifp->if_flags |= IFF_UP; 3663 ifp->if_init(ifp->if_softc); 3664 } 3665 arp_ifinit(ifp, ifa); 3666 break; 3667 #endif 3668 default: 3669 if ((ifp->if_flags & IFF_UP) == 0) { 3670 ifp->if_flags |= IFF_UP; 3671 ifp->if_init(ifp->if_softc); 3672 } 3673 break; 3674 } 3675 break; 3676 #if __NetBSD__ 3677 case SIOCS80211NWID: 3678 if ((error = copyin(ifr->ifr_data, &nwid, sizeof(nwid))) != 0) 3679 break; 3680 if (nwid.i_len > IEEE80211_NWID_LEN) { 3681 error = EINVAL; 3682 break; 3683 } 3684 memset(vap->iv_des_ssid, 0, IEEE80211_NWID_LEN); 3685 vap->iv_des_ssid[0].len = nwid.i_len; 3686 memcpy(vap->iv_des_ssid[0].ssid, nwid.i_nwid, nwid.i_len); 3687 error = ENETRESET; 3688 break; 3689 case SIOCG80211NWID: 3690 memset(&nwid, 0, sizeof(nwid)); 3691 switch (vap->iv_state) { 3692 case IEEE80211_S_INIT: 3693 case IEEE80211_S_SCAN: 3694 nwid.i_len = vap->iv_des_ssid[0].len; 3695 memcpy(nwid.i_nwid, vap->iv_des_ssid[0].ssid, 3696 nwid.i_len); 3697 break; 3698 default: 3699 nwid.i_len = vap->iv_bss->ni_esslen; 3700 memcpy(nwid.i_nwid, vap->iv_bss->ni_essid, nwid.i_len); 3701 break; 3702 } 3703 error = copyout(&nwid, ifr->ifr_data, sizeof(nwid)); 3704 break; 3705 case SIOCS80211NWKEY: 3706 case SIOCG80211NWKEY: 3707 printf ("NetBSD NWKEY ioctl\n"); 3708 error = ENOTTY; 3709 break; 3710 case SIOCS80211POWER: 3711 printf ("NEtBSD POWER ioctl\n"); 3712 error = ENOTTY; 3713 break; 3714 #endif 3715 default: 3716 /* 3717 * Pass unknown ioctls first to the driver, and if it 3718 * returns ENOTTY, then to the generic Ethernet handler. 3719 */ 3720 if (ic->ic_ioctl != NULL && 3721 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3722 break; 3723 error = ether_ioctl(ifp, cmd, data); 3724 if (error == ENOTTY) 3725 printf ("Unknown 802.11 IOCTL.\n"); /* NNN */ 3726 break; 3727 } 3728 return (error); 3729 } 3730
Indexes created Tue Sep 30 07:10:03 GMT 2025