1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2001 Atsushi Onoe 5 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 /* 33 * IEEE 802.11 ioctl support (FreeBSD-specific) 34 */ 35 36 #include "opt_inet.h" 37 #include "opt_wlan.h" 38 39 #include <sys/endian.h> 40 #include <sys/param.h> 41 #include <sys/kernel.h> 42 #include <sys/malloc.h> 43 #include <sys/socket.h> 44 #include <sys/sockio.h> 45 #include <sys/systm.h> 46 47 #include <net/if.h> 48 #include <net/if_var.h> 49 #include <net/if_dl.h> 50 #include <net/if_media.h> 51 #include <net/if_private.h> 52 #include <net/ethernet.h> 53 54 #ifdef INET 55 #include <netinet/in.h> 56 #include <netinet/if_ether.h> 57 #endif 58 59 #include <net80211/ieee80211_var.h> 60 #include <net80211/ieee80211_ioctl.h> 61 #include <net80211/ieee80211_regdomain.h> 62 #include <net80211/ieee80211_input.h> 63 64 #define IS_UP_AUTO(_vap) \ 65 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 66 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 67 68 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 69 static struct ieee80211_channel *findchannel(struct ieee80211com *, 70 int ieee, int mode); 71 static int ieee80211_scanreq(struct ieee80211vap *, 72 struct ieee80211_scan_req *); 73 74 static int 75 ieee80211_ioctl_getkey(u_long cmd, struct ieee80211vap *vap, 76 struct ieee80211req *ireq) 77 { 78 struct ieee80211com *ic = vap->iv_ic; 79 struct ieee80211_node *ni; 80 struct ieee80211req_key ik; 81 struct ieee80211_key *wk; 82 const struct ieee80211_cipher *cip; 83 u_int kid; 84 int error; 85 86 if (ireq->i_len != sizeof(ik)) 87 return EINVAL; 88 error = copyin(ireq->i_data, &ik, sizeof(ik)); 89 if (error) 90 return error; 91 kid = ik.ik_keyix; 92 if (kid == IEEE80211_KEYIX_NONE) { 93 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 94 if (ni == NULL) 95 return ENOENT; 96 wk = &ni->ni_ucastkey; 97 } else { 98 if (kid >= IEEE80211_WEP_NKID) 99 return EINVAL; 100 wk = &vap->iv_nw_keys[kid]; 101 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 102 ni = NULL; 103 } 104 cip = wk->wk_cipher; 105 ik.ik_type = cip->ic_cipher; 106 ik.ik_keylen = wk->wk_keylen; 107 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 108 if (wk->wk_keyix == vap->iv_def_txkey) 109 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 110 if (ieee80211_priv_check_vap_getkey(cmd, vap, NULL) == 0) { 111 /* NB: only root can read key data */ 112 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 113 ik.ik_keytsc = wk->wk_keytsc; 114 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 115 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 116 memcpy(ik.ik_keydata+wk->wk_keylen, 117 wk->wk_key + IEEE80211_KEYBUF_SIZE, 118 IEEE80211_MICBUF_SIZE); 119 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 120 } 121 } else { 122 ik.ik_keyrsc = 0; 123 ik.ik_keytsc = 0; 124 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 125 } 126 if (ni != NULL) 127 ieee80211_free_node(ni); 128 return copyout(&ik, ireq->i_data, sizeof(ik)); 129 } 130 131 static int 132 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 133 { 134 struct ieee80211com *ic = vap->iv_ic; 135 136 if (sizeof(ic->ic_chan_active) < ireq->i_len) 137 ireq->i_len = sizeof(ic->ic_chan_active); 138 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 139 } 140 141 static int 142 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 143 { 144 struct ieee80211com *ic = vap->iv_ic; 145 uint32_t space; 146 147 space = __offsetof(struct ieee80211req_chaninfo, 148 ic_chans[ic->ic_nchans]); 149 if (space > ireq->i_len) 150 space = ireq->i_len; 151 /* XXX assumes compatible layout */ 152 return copyout(&ic->ic_nchans, ireq->i_data, space); 153 } 154 155 static int 156 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 157 struct ieee80211req *ireq, int req) 158 { 159 struct ieee80211_node *ni; 160 struct ieee80211req_wpaie2 *wpaie; 161 int error; 162 163 if (ireq->i_len < IEEE80211_ADDR_LEN) 164 return EINVAL; 165 wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP, 166 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 167 if (wpaie == NULL) 168 return ENOMEM; 169 error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN); 170 if (error != 0) 171 goto bad; 172 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr); 173 if (ni == NULL) { 174 error = ENOENT; 175 goto bad; 176 } 177 if (ni->ni_ies.wpa_ie != NULL) { 178 int ielen = ni->ni_ies.wpa_ie[1] + 2; 179 if (ielen > sizeof(wpaie->wpa_ie)) 180 ielen = sizeof(wpaie->wpa_ie); 181 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen); 182 } 183 if (req == IEEE80211_IOC_WPAIE2) { 184 if (ni->ni_ies.rsn_ie != NULL) { 185 int ielen = ni->ni_ies.rsn_ie[1] + 2; 186 if (ielen > sizeof(wpaie->rsn_ie)) 187 ielen = sizeof(wpaie->rsn_ie); 188 memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen); 189 } 190 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 191 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 192 } else { 193 /* compatibility op, may overwrite wpa ie */ 194 /* XXX check ic_flags? */ 195 if (ni->ni_ies.rsn_ie != NULL) { 196 int ielen = ni->ni_ies.rsn_ie[1] + 2; 197 if (ielen > sizeof(wpaie->wpa_ie)) 198 ielen = sizeof(wpaie->wpa_ie); 199 memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen); 200 } 201 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 202 ireq->i_len = sizeof(struct ieee80211req_wpaie); 203 } 204 ieee80211_free_node(ni); 205 error = copyout(wpaie, ireq->i_data, ireq->i_len); 206 bad: 207 IEEE80211_FREE(wpaie, M_TEMP); 208 return error; 209 } 210 211 static int 212 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 213 { 214 struct ieee80211_node *ni; 215 uint8_t macaddr[IEEE80211_ADDR_LEN]; 216 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats); 217 int error; 218 219 if (ireq->i_len < off) 220 return EINVAL; 221 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 222 if (error != 0) 223 return error; 224 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 225 if (ni == NULL) 226 return ENOENT; 227 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 228 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 229 /* NB: copy out only the statistics */ 230 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 231 ireq->i_len - off); 232 ieee80211_free_node(ni); 233 return error; 234 } 235 236 struct scanreq { 237 struct ieee80211req_scan_result *sr; 238 size_t space; 239 }; 240 241 static size_t 242 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 243 { 244 size_t len; 245 246 *ielen = se->se_ies.len; 247 /* 248 * NB: ie's can be no more than 255 bytes and the max 802.11 249 * packet is <3Kbytes so we are sure this doesn't overflow 250 * 16-bits; if this is a concern we can drop the ie's. 251 */ 252 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 253 se->se_meshid[1] + *ielen; 254 return roundup(len, sizeof(uint32_t)); 255 } 256 257 static void 258 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 259 { 260 struct scanreq *req = arg; 261 int ielen; 262 263 req->space += scan_space(se, &ielen); 264 } 265 266 static void 267 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 268 { 269 struct scanreq *req = arg; 270 struct ieee80211req_scan_result *sr; 271 int ielen, len, nr, nxr; 272 uint8_t *cp; 273 274 len = scan_space(se, &ielen); 275 if (len > req->space) 276 return; 277 278 sr = req->sr; 279 KASSERT(len <= 65535 && ielen <= 65535, 280 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 281 sr->isr_len = len; 282 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 283 sr->isr_ie_len = ielen; 284 sr->isr_freq = se->se_chan->ic_freq; 285 sr->isr_flags = se->se_chan->ic_flags; 286 sr->isr_rssi = se->se_rssi; 287 sr->isr_noise = se->se_noise; 288 sr->isr_intval = se->se_intval; 289 sr->isr_capinfo = se->se_capinfo; 290 sr->isr_erp = se->se_erp; 291 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 292 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 293 memcpy(sr->isr_rates, se->se_rates+2, nr); 294 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 295 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 296 sr->isr_nrates = nr + nxr; 297 298 /* copy SSID */ 299 sr->isr_ssid_len = se->se_ssid[1]; 300 cp = ((uint8_t *)sr) + sr->isr_ie_off; 301 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 302 303 /* copy mesh id */ 304 cp += sr->isr_ssid_len; 305 sr->isr_meshid_len = se->se_meshid[1]; 306 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 307 cp += sr->isr_meshid_len; 308 309 if (ielen) 310 memcpy(cp, se->se_ies.data, ielen); 311 312 req->space -= len; 313 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 314 } 315 316 static int 317 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 318 struct ieee80211req *ireq) 319 { 320 struct scanreq req; 321 int error; 322 323 if (ireq->i_len < sizeof(struct scanreq)) 324 return EFAULT; 325 326 error = 0; 327 req.space = 0; 328 ieee80211_scan_iterate(vap, get_scan_space, &req); 329 if (req.space > ireq->i_len) 330 req.space = ireq->i_len; 331 if (req.space > 0) { 332 uint32_t space; 333 void *p; 334 335 space = req.space; 336 /* XXX IEEE80211_M_WAITOK after driver lock released */ 337 p = IEEE80211_MALLOC(space, M_TEMP, 338 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 339 if (p == NULL) 340 return ENOMEM; 341 req.sr = p; 342 ieee80211_scan_iterate(vap, get_scan_result, &req); 343 ireq->i_len = space - req.space; 344 error = copyout(p, ireq->i_data, ireq->i_len); 345 IEEE80211_FREE(p, M_TEMP); 346 } else 347 ireq->i_len = 0; 348 349 return error; 350 } 351 352 struct stainforeq { 353 struct ieee80211req_sta_info *si; 354 size_t space; 355 }; 356 357 static size_t 358 sta_space(const struct ieee80211_node *ni, size_t *ielen) 359 { 360 *ielen = ni->ni_ies.len; 361 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 362 sizeof(uint32_t)); 363 } 364 365 static void 366 get_sta_space(void *arg, struct ieee80211_node *ni) 367 { 368 struct stainforeq *req = arg; 369 size_t ielen; 370 371 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 372 ni->ni_associd == 0) /* only associated stations */ 373 return; 374 req->space += sta_space(ni, &ielen); 375 } 376 377 static void 378 get_sta_info(void *arg, struct ieee80211_node *ni) 379 { 380 struct stainforeq *req = arg; 381 struct ieee80211vap *vap = ni->ni_vap; 382 struct ieee80211req_sta_info *si; 383 size_t ielen, len; 384 uint8_t *cp; 385 386 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 387 ni->ni_associd == 0) /* only associated stations */ 388 return; 389 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 390 return; 391 len = sta_space(ni, &ielen); 392 if (len > req->space) 393 return; 394 si = req->si; 395 si->isi_len = len; 396 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 397 si->isi_ie_len = ielen; 398 si->isi_freq = ni->ni_chan->ic_freq; 399 si->isi_flags = ni->ni_chan->ic_flags; 400 si->isi_state = ni->ni_flags; 401 si->isi_authmode = ni->ni_authmode; 402 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 403 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 404 si->isi_capinfo = ni->ni_capinfo; 405 si->isi_erp = ni->ni_erp; 406 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 407 si->isi_nrates = ni->ni_rates.rs_nrates; 408 if (si->isi_nrates > 15) 409 si->isi_nrates = 15; 410 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 411 si->isi_txrate = ni->ni_txrate; 412 if (si->isi_txrate & IEEE80211_RATE_MCS) { 413 const struct ieee80211_mcs_rates *mcs = 414 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 415 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 416 if (ni->ni_flags & IEEE80211_NODE_SGI40) 417 si->isi_txmbps = mcs->ht40_rate_800ns; 418 else 419 si->isi_txmbps = mcs->ht40_rate_400ns; 420 } else { 421 if (ni->ni_flags & IEEE80211_NODE_SGI20) 422 si->isi_txmbps = mcs->ht20_rate_800ns; 423 else 424 si->isi_txmbps = mcs->ht20_rate_400ns; 425 } 426 } else 427 si->isi_txmbps = si->isi_txrate; 428 si->isi_associd = ni->ni_associd; 429 si->isi_txpower = ni->ni_txpower; 430 si->isi_vlan = ni->ni_vlan; 431 if (ni->ni_flags & IEEE80211_NODE_QOS) { 432 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 433 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 434 } else { 435 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 436 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 437 } 438 /* NB: leave all cases in case we relax ni_associd == 0 check */ 439 if (ieee80211_node_is_authorized(ni)) 440 si->isi_inact = vap->iv_inact_run; 441 else if (ni->ni_associd != 0 || 442 (vap->iv_opmode == IEEE80211_M_WDS && 443 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 444 si->isi_inact = vap->iv_inact_auth; 445 else 446 si->isi_inact = vap->iv_inact_init; 447 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 448 si->isi_localid = ni->ni_mllid; 449 si->isi_peerid = ni->ni_mlpid; 450 si->isi_peerstate = ni->ni_mlstate; 451 452 if (ielen) { 453 cp = ((uint8_t *)si) + si->isi_ie_off; 454 memcpy(cp, ni->ni_ies.data, ielen); 455 } 456 457 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 458 req->space -= len; 459 } 460 461 static int 462 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 463 struct ieee80211_node *ni, size_t off) 464 { 465 struct ieee80211com *ic = vap->iv_ic; 466 struct stainforeq req; 467 size_t space; 468 void *p; 469 int error; 470 471 error = 0; 472 req.space = 0; 473 if (ni == NULL) { 474 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_sta_space, 475 &req); 476 } else 477 get_sta_space(&req, ni); 478 if (req.space > ireq->i_len) 479 req.space = ireq->i_len; 480 if (req.space > 0) { 481 space = req.space; 482 /* XXX IEEE80211_M_WAITOK after driver lock released */ 483 p = IEEE80211_MALLOC(space, M_TEMP, 484 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 485 if (p == NULL) { 486 error = ENOMEM; 487 goto bad; 488 } 489 req.si = p; 490 if (ni == NULL) { 491 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, 492 get_sta_info, &req); 493 } else 494 get_sta_info(&req, ni); 495 ireq->i_len = space - req.space; 496 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 497 IEEE80211_FREE(p, M_TEMP); 498 } else 499 ireq->i_len = 0; 500 bad: 501 if (ni != NULL) 502 ieee80211_free_node(ni); 503 return error; 504 } 505 506 static int 507 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 508 { 509 uint8_t macaddr[IEEE80211_ADDR_LEN]; 510 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 511 struct ieee80211_node *ni; 512 int error; 513 514 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 515 return EFAULT; 516 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 517 if (error != 0) 518 return error; 519 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 520 ni = NULL; 521 } else { 522 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 523 if (ni == NULL) 524 return ENOENT; 525 } 526 return getstainfo_common(vap, ireq, ni, off); 527 } 528 529 static int 530 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 531 { 532 struct ieee80211_node *ni; 533 struct ieee80211req_sta_txpow txpow; 534 int error; 535 536 if (ireq->i_len != sizeof(txpow)) 537 return EINVAL; 538 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 539 if (error != 0) 540 return error; 541 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 542 if (ni == NULL) 543 return ENOENT; 544 txpow.it_txpow = ni->ni_txpower; 545 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 546 ieee80211_free_node(ni); 547 return error; 548 } 549 550 static int 551 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 552 { 553 struct ieee80211com *ic = vap->iv_ic; 554 struct ieee80211_wme_state *wme = &ic->ic_wme; 555 struct wmeParams *wmep; 556 int ac; 557 558 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 559 return EINVAL; 560 561 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 562 if (ac >= WME_NUM_AC) 563 ac = WME_AC_BE; 564 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 565 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 566 else 567 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 568 switch (ireq->i_type) { 569 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 570 ireq->i_val = wmep->wmep_logcwmin; 571 break; 572 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 573 ireq->i_val = wmep->wmep_logcwmax; 574 break; 575 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 576 ireq->i_val = wmep->wmep_aifsn; 577 break; 578 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 579 ireq->i_val = wmep->wmep_txopLimit; 580 break; 581 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 582 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 583 ireq->i_val = wmep->wmep_acm; 584 break; 585 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 586 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 587 ireq->i_val = !wmep->wmep_noackPolicy; 588 break; 589 } 590 return 0; 591 } 592 593 static int 594 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 595 { 596 const struct ieee80211_aclator *acl = vap->iv_acl; 597 598 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 599 } 600 601 static int 602 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 603 { 604 struct ieee80211com *ic = vap->iv_ic; 605 struct ieee80211_channel *c; 606 607 if (ireq->i_len != sizeof(struct ieee80211_channel)) 608 return EINVAL; 609 /* 610 * vap's may have different operating channels when HT is 611 * in use. When in RUN state report the vap-specific channel. 612 * Otherwise return curchan. 613 */ 614 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 615 c = vap->iv_bss->ni_chan; 616 else 617 c = ic->ic_curchan; 618 return copyout(c, ireq->i_data, sizeof(*c)); 619 } 620 621 static int 622 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 623 { 624 if (aie == NULL) 625 return EINVAL; 626 /* NB: truncate, caller can check length */ 627 if (ireq->i_len > aie->ie_len) 628 ireq->i_len = aie->ie_len; 629 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 630 } 631 632 static int 633 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 634 { 635 uint8_t fc0; 636 637 fc0 = ireq->i_val & 0xff; 638 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 639 return EINVAL; 640 /* NB: could check iv_opmode and reject but hardly worth the effort */ 641 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 642 case IEEE80211_FC0_SUBTYPE_BEACON: 643 return getappie(vap->iv_appie_beacon, ireq); 644 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 645 return getappie(vap->iv_appie_proberesp, ireq); 646 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 647 return getappie(vap->iv_appie_assocresp, ireq); 648 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 649 return getappie(vap->iv_appie_probereq, ireq); 650 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 651 return getappie(vap->iv_appie_assocreq, ireq); 652 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 653 return getappie(vap->iv_appie_wpa, ireq); 654 } 655 return EINVAL; 656 } 657 658 static int 659 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 660 const struct ieee80211req *ireq) 661 { 662 struct ieee80211com *ic = vap->iv_ic; 663 664 if (ireq->i_len != sizeof(ic->ic_regdomain)) 665 return EINVAL; 666 return copyout(&ic->ic_regdomain, ireq->i_data, 667 sizeof(ic->ic_regdomain)); 668 } 669 670 static int 671 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 672 const struct ieee80211req *ireq) 673 { 674 size_t len = ireq->i_len; 675 /* NB: accept short requests for backwards compat */ 676 if (len > sizeof(vap->iv_roamparms)) 677 len = sizeof(vap->iv_roamparms); 678 return copyout(vap->iv_roamparms, ireq->i_data, len); 679 } 680 681 static int 682 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 683 const struct ieee80211req *ireq) 684 { 685 size_t len = ireq->i_len; 686 /* NB: accept short requests for backwards compat */ 687 if (len > sizeof(vap->iv_txparms)) 688 len = sizeof(vap->iv_txparms); 689 return copyout(vap->iv_txparms, ireq->i_data, len); 690 } 691 692 static int 693 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 694 const struct ieee80211req *ireq) 695 { 696 struct ieee80211_devcaps_req *dc; 697 struct ieee80211req_chaninfo *ci; 698 int maxchans, error; 699 700 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 701 sizeof(struct ieee80211_channel)); 702 /* NB: require 1 so we know ic_nchans is accessible */ 703 if (maxchans < 1) 704 return EINVAL; 705 /* constrain max request size, 2K channels is ~24Kbytes */ 706 if (maxchans > 2048) 707 maxchans = 2048; 708 dc = (struct ieee80211_devcaps_req *) 709 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, 710 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 711 if (dc == NULL) 712 return ENOMEM; 713 dc->dc_drivercaps = ic->ic_caps; 714 dc->dc_cryptocaps = ic->ic_cryptocaps; 715 dc->dc_htcaps = ic->ic_htcaps; 716 dc->dc_vhtcaps = ic->ic_vhtcaps; 717 ci = &dc->dc_chaninfo; 718 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 719 KASSERT(ci->ic_nchans <= maxchans, 720 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 721 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 722 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 723 IEEE80211_FREE(dc, M_TEMP); 724 return error; 725 } 726 727 static int 728 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 729 { 730 struct ieee80211_node *ni; 731 struct ieee80211req_sta_vlan vlan; 732 int error; 733 734 if (ireq->i_len != sizeof(vlan)) 735 return EINVAL; 736 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 737 if (error != 0) 738 return error; 739 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 740 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 741 vlan.sv_macaddr); 742 if (ni == NULL) 743 return ENOENT; 744 } else 745 ni = ieee80211_ref_node(vap->iv_bss); 746 vlan.sv_vlan = ni->ni_vlan; 747 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 748 ieee80211_free_node(ni); 749 return error; 750 } 751 752 /* 753 * Dummy ioctl get handler so the linker set is defined. 754 */ 755 static int 756 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 757 { 758 return ENOSYS; 759 } 760 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 761 762 static int 763 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 764 { 765 ieee80211_ioctl_getfunc * const *get; 766 int error; 767 768 SET_FOREACH(get, ieee80211_ioctl_getset) { 769 error = (*get)(vap, ireq); 770 if (error != ENOSYS) 771 return error; 772 } 773 return EINVAL; 774 } 775 776 static int 777 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 778 struct ieee80211req *ireq) 779 { 780 struct ieee80211com *ic = vap->iv_ic; 781 u_int kid, len; 782 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 783 char tmpssid[IEEE80211_NWID_LEN]; 784 int error = 0; 785 786 switch (ireq->i_type) { 787 case IEEE80211_IOC_IC_NAME: 788 len = strlen(ic->ic_name) + 1; 789 if (len > ireq->i_len) 790 return (EINVAL); 791 ireq->i_len = len; 792 error = copyout(ic->ic_name, ireq->i_data, ireq->i_len); 793 break; 794 case IEEE80211_IOC_SSID: 795 switch (vap->iv_state) { 796 case IEEE80211_S_INIT: 797 case IEEE80211_S_SCAN: 798 ireq->i_len = vap->iv_des_ssid[0].len; 799 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 800 break; 801 default: 802 ireq->i_len = vap->iv_bss->ni_esslen; 803 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 804 break; 805 } 806 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 807 break; 808 case IEEE80211_IOC_NUMSSIDS: 809 ireq->i_val = 1; 810 break; 811 case IEEE80211_IOC_WEP: 812 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 813 ireq->i_val = IEEE80211_WEP_OFF; 814 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 815 ireq->i_val = IEEE80211_WEP_ON; 816 else 817 ireq->i_val = IEEE80211_WEP_MIXED; 818 break; 819 case IEEE80211_IOC_WEPKEY: 820 kid = (u_int) ireq->i_val; 821 if (kid >= IEEE80211_WEP_NKID) 822 return EINVAL; 823 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 824 /* NB: only root can read WEP keys */ 825 if (ieee80211_priv_check_vap_getkey(cmd, vap, NULL) == 0) { 826 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 827 } else { 828 bzero(tmpkey, len); 829 } 830 ireq->i_len = len; 831 error = copyout(tmpkey, ireq->i_data, len); 832 break; 833 case IEEE80211_IOC_NUMWEPKEYS: 834 ireq->i_val = IEEE80211_WEP_NKID; 835 break; 836 case IEEE80211_IOC_WEPTXKEY: 837 ireq->i_val = vap->iv_def_txkey; 838 break; 839 case IEEE80211_IOC_AUTHMODE: 840 if (vap->iv_flags & IEEE80211_F_WPA) 841 ireq->i_val = IEEE80211_AUTH_WPA; 842 else 843 ireq->i_val = vap->iv_bss->ni_authmode; 844 break; 845 case IEEE80211_IOC_CHANNEL: 846 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 847 break; 848 case IEEE80211_IOC_POWERSAVE: 849 if (vap->iv_flags & IEEE80211_F_PMGTON) 850 ireq->i_val = IEEE80211_POWERSAVE_ON; 851 else 852 ireq->i_val = IEEE80211_POWERSAVE_OFF; 853 break; 854 case IEEE80211_IOC_POWERSAVESLEEP: 855 ireq->i_val = ic->ic_lintval; 856 break; 857 case IEEE80211_IOC_RTSTHRESHOLD: 858 ireq->i_val = vap->iv_rtsthreshold; 859 break; 860 case IEEE80211_IOC_PROTMODE: 861 ireq->i_val = vap->iv_protmode; 862 break; 863 case IEEE80211_IOC_TXPOWER: 864 /* 865 * Tx power limit is the min of max regulatory 866 * power, any user-set limit, and the max the 867 * radio can do. 868 * 869 * TODO: methodize this 870 */ 871 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 872 if (ireq->i_val > ic->ic_txpowlimit) 873 ireq->i_val = ic->ic_txpowlimit; 874 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 875 ireq->i_val = ic->ic_curchan->ic_maxpower; 876 break; 877 case IEEE80211_IOC_WPA: 878 switch (vap->iv_flags & IEEE80211_F_WPA) { 879 case IEEE80211_F_WPA1: 880 ireq->i_val = 1; 881 break; 882 case IEEE80211_F_WPA2: 883 ireq->i_val = 2; 884 break; 885 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 886 ireq->i_val = 3; 887 break; 888 default: 889 ireq->i_val = 0; 890 break; 891 } 892 break; 893 case IEEE80211_IOC_CHANLIST: 894 error = ieee80211_ioctl_getchanlist(vap, ireq); 895 break; 896 case IEEE80211_IOC_ROAMING: 897 ireq->i_val = vap->iv_roaming; 898 break; 899 case IEEE80211_IOC_PRIVACY: 900 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 901 break; 902 case IEEE80211_IOC_DROPUNENCRYPTED: 903 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 904 break; 905 case IEEE80211_IOC_COUNTERMEASURES: 906 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 907 break; 908 case IEEE80211_IOC_WME: 909 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 910 break; 911 case IEEE80211_IOC_HIDESSID: 912 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 913 break; 914 case IEEE80211_IOC_APBRIDGE: 915 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 916 break; 917 case IEEE80211_IOC_WPAKEY: 918 error = ieee80211_ioctl_getkey(cmd, vap, ireq); 919 break; 920 case IEEE80211_IOC_CHANINFO: 921 error = ieee80211_ioctl_getchaninfo(vap, ireq); 922 break; 923 case IEEE80211_IOC_BSSID: 924 if (ireq->i_len != IEEE80211_ADDR_LEN) 925 return EINVAL; 926 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 927 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 928 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 929 ireq->i_data, ireq->i_len); 930 } else 931 error = copyout(vap->iv_des_bssid, ireq->i_data, 932 ireq->i_len); 933 break; 934 case IEEE80211_IOC_WPAIE: 935 case IEEE80211_IOC_WPAIE2: 936 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 937 break; 938 case IEEE80211_IOC_SCAN_RESULTS: 939 error = ieee80211_ioctl_getscanresults(vap, ireq); 940 break; 941 case IEEE80211_IOC_STA_STATS: 942 error = ieee80211_ioctl_getstastats(vap, ireq); 943 break; 944 case IEEE80211_IOC_TXPOWMAX: 945 ireq->i_val = vap->iv_bss->ni_txpower; 946 break; 947 case IEEE80211_IOC_STA_TXPOW: 948 error = ieee80211_ioctl_getstatxpow(vap, ireq); 949 break; 950 case IEEE80211_IOC_STA_INFO: 951 error = ieee80211_ioctl_getstainfo(vap, ireq); 952 break; 953 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 954 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 955 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 956 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 957 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 958 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 959 error = ieee80211_ioctl_getwmeparam(vap, ireq); 960 break; 961 case IEEE80211_IOC_DTIM_PERIOD: 962 ireq->i_val = vap->iv_dtim_period; 963 break; 964 case IEEE80211_IOC_BEACON_INTERVAL: 965 /* NB: get from ic_bss for station mode */ 966 ireq->i_val = vap->iv_bss->ni_intval; 967 break; 968 case IEEE80211_IOC_PUREG: 969 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 970 break; 971 case IEEE80211_IOC_QUIET: 972 ireq->i_val = vap->iv_quiet; 973 break; 974 case IEEE80211_IOC_QUIET_COUNT: 975 ireq->i_val = vap->iv_quiet_count; 976 break; 977 case IEEE80211_IOC_QUIET_PERIOD: 978 ireq->i_val = vap->iv_quiet_period; 979 break; 980 case IEEE80211_IOC_QUIET_DUR: 981 ireq->i_val = vap->iv_quiet_duration; 982 break; 983 case IEEE80211_IOC_QUIET_OFFSET: 984 ireq->i_val = vap->iv_quiet_offset; 985 break; 986 case IEEE80211_IOC_BGSCAN: 987 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 988 break; 989 case IEEE80211_IOC_BGSCAN_IDLE: 990 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 991 break; 992 case IEEE80211_IOC_BGSCAN_INTERVAL: 993 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 994 break; 995 case IEEE80211_IOC_SCANVALID: 996 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 997 break; 998 case IEEE80211_IOC_FRAGTHRESHOLD: 999 ireq->i_val = vap->iv_fragthreshold; 1000 break; 1001 case IEEE80211_IOC_MACCMD: 1002 error = ieee80211_ioctl_getmaccmd(vap, ireq); 1003 break; 1004 case IEEE80211_IOC_BURST: 1005 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 1006 break; 1007 case IEEE80211_IOC_BMISSTHRESHOLD: 1008 ireq->i_val = vap->iv_bmissthreshold; 1009 break; 1010 case IEEE80211_IOC_CURCHAN: 1011 error = ieee80211_ioctl_getcurchan(vap, ireq); 1012 break; 1013 case IEEE80211_IOC_SHORTGI: 1014 ireq->i_val = 0; 1015 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1016 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1017 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1018 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1019 break; 1020 case IEEE80211_IOC_AMPDU: 1021 ireq->i_val = 0; 1022 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1023 ireq->i_val |= 1; 1024 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1025 ireq->i_val |= 2; 1026 break; 1027 case IEEE80211_IOC_AMPDU_LIMIT: 1028 /* XXX TODO: make this a per-node thing; and leave this as global */ 1029 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1030 ireq->i_val = vap->iv_ampdu_rxmax; 1031 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1032 /* 1033 * XXX TODO: this isn't completely correct, as we've 1034 * negotiated the higher of the two. 1035 */ 1036 ireq->i_val = _IEEE80211_MASKSHIFT( vap->iv_bss->ni_htparam, 1037 IEEE80211_HTCAP_MAXRXAMPDU); 1038 else 1039 ireq->i_val = vap->iv_ampdu_limit; 1040 break; 1041 case IEEE80211_IOC_AMPDU_DENSITY: 1042 /* XXX TODO: make this a per-node thing; and leave this as global */ 1043 if (vap->iv_opmode == IEEE80211_M_STA && 1044 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1045 /* 1046 * XXX TODO: this isn't completely correct, as we've 1047 * negotiated the higher of the two. 1048 */ 1049 ireq->i_val = _IEEE80211_MASKSHIFT(vap->iv_bss->ni_htparam, 1050 IEEE80211_HTCAP_MPDUDENSITY); 1051 else 1052 ireq->i_val = vap->iv_ampdu_density; 1053 break; 1054 case IEEE80211_IOC_AMSDU: 1055 ireq->i_val = 0; 1056 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1057 ireq->i_val |= 1; 1058 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1059 ireq->i_val |= 2; 1060 break; 1061 case IEEE80211_IOC_AMSDU_LIMIT: 1062 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1063 break; 1064 case IEEE80211_IOC_PUREN: 1065 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1066 break; 1067 case IEEE80211_IOC_DOTH: 1068 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1069 break; 1070 case IEEE80211_IOC_REGDOMAIN: 1071 error = ieee80211_ioctl_getregdomain(vap, ireq); 1072 break; 1073 case IEEE80211_IOC_ROAM: 1074 error = ieee80211_ioctl_getroam(vap, ireq); 1075 break; 1076 case IEEE80211_IOC_TXPARAMS: 1077 error = ieee80211_ioctl_gettxparams(vap, ireq); 1078 break; 1079 case IEEE80211_IOC_HTCOMPAT: 1080 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1081 break; 1082 case IEEE80211_IOC_DWDS: 1083 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1084 break; 1085 case IEEE80211_IOC_INACTIVITY: 1086 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1087 break; 1088 case IEEE80211_IOC_APPIE: 1089 error = ieee80211_ioctl_getappie(vap, ireq); 1090 break; 1091 case IEEE80211_IOC_WPS: 1092 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1093 break; 1094 case IEEE80211_IOC_TSN: 1095 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1096 break; 1097 case IEEE80211_IOC_DFS: 1098 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1099 break; 1100 case IEEE80211_IOC_DOTD: 1101 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1102 break; 1103 case IEEE80211_IOC_DEVCAPS: 1104 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1105 break; 1106 case IEEE80211_IOC_HTPROTMODE: 1107 ireq->i_val = vap->iv_htprotmode; 1108 break; 1109 case IEEE80211_IOC_HTCONF: 1110 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1111 ireq->i_val = 1; 1112 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1113 ireq->i_val |= 2; 1114 } else 1115 ireq->i_val = 0; 1116 break; 1117 case IEEE80211_IOC_STA_VLAN: 1118 error = ieee80211_ioctl_getstavlan(vap, ireq); 1119 break; 1120 case IEEE80211_IOC_SMPS: 1121 if (vap->iv_opmode == IEEE80211_M_STA && 1122 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1123 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1124 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1125 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1126 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1127 else 1128 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1129 } else 1130 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1131 break; 1132 case IEEE80211_IOC_RIFS: 1133 if (vap->iv_opmode == IEEE80211_M_STA && 1134 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1135 ireq->i_val = 1136 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1137 else 1138 ireq->i_val = 1139 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1140 break; 1141 case IEEE80211_IOC_STBC: 1142 ireq->i_val = 0; 1143 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX) 1144 ireq->i_val |= 1; 1145 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) 1146 ireq->i_val |= 2; 1147 break; 1148 case IEEE80211_IOC_LDPC: 1149 ireq->i_val = 0; 1150 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_TX) 1151 ireq->i_val |= 1; 1152 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_RX) 1153 ireq->i_val |= 2; 1154 break; 1155 case IEEE80211_IOC_UAPSD: 1156 ireq->i_val = 0; 1157 if (vap->iv_flags_ext & IEEE80211_FEXT_UAPSD) 1158 ireq->i_val = 1; 1159 break; 1160 case IEEE80211_IOC_VHTCONF: 1161 ireq->i_val = vap->iv_flags_vht & IEEE80211_FVHT_MASK; 1162 break; 1163 default: 1164 error = ieee80211_ioctl_getdefault(vap, ireq); 1165 break; 1166 } 1167 return error; 1168 } 1169 1170 static int 1171 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1172 { 1173 struct ieee80211req_key ik; 1174 struct ieee80211_node *ni; 1175 struct ieee80211_key *wk; 1176 uint16_t kid; 1177 int error, i; 1178 1179 if (ireq->i_len != sizeof(ik)) 1180 return EINVAL; 1181 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1182 if (error) 1183 return error; 1184 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1185 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1186 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1187 return E2BIG; 1188 kid = ik.ik_keyix; 1189 if (kid == IEEE80211_KEYIX_NONE) { 1190 /* XXX unicast keys currently must be tx/rx */ 1191 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1192 return EINVAL; 1193 if (vap->iv_opmode == IEEE80211_M_STA) { 1194 ni = ieee80211_ref_node(vap->iv_bss); 1195 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1196 ieee80211_free_node(ni); 1197 return EADDRNOTAVAIL; 1198 } 1199 } else { 1200 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1201 ik.ik_macaddr); 1202 if (ni == NULL) 1203 return ENOENT; 1204 } 1205 wk = &ni->ni_ucastkey; 1206 } else { 1207 if (kid >= IEEE80211_WEP_NKID) 1208 return EINVAL; 1209 wk = &vap->iv_nw_keys[kid]; 1210 /* 1211 * Global slots start off w/o any assigned key index. 1212 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1213 */ 1214 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1215 wk->wk_keyix = kid; 1216 ni = NULL; 1217 } 1218 error = 0; 1219 ieee80211_key_update_begin(vap); 1220 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1221 wk->wk_keylen = ik.ik_keylen; 1222 /* NB: MIC presence is implied by cipher type */ 1223 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1224 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1225 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1226 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1227 wk->wk_keytsc = 0; /* new key, reset */ 1228 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1229 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1230 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1231 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1232 if (!ieee80211_crypto_setkey(vap, wk)) 1233 error = EIO; 1234 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1235 /* 1236 * Inform the driver that this is the default 1237 * transmit key. Now, ideally we'd just set 1238 * a flag in the key update that would 1239 * say "yes, we're the default key", but 1240 * that currently isn't the way the ioctl -> 1241 * key interface works. 1242 */ 1243 ieee80211_crypto_set_deftxkey(vap, kid); 1244 } else 1245 error = ENXIO; 1246 ieee80211_key_update_end(vap); 1247 if (ni != NULL) 1248 ieee80211_free_node(ni); 1249 return error; 1250 } 1251 1252 static int 1253 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1254 { 1255 struct ieee80211req_del_key dk; 1256 int kid, error; 1257 1258 if (ireq->i_len != sizeof(dk)) 1259 return EINVAL; 1260 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1261 if (error) 1262 return error; 1263 kid = dk.idk_keyix; 1264 /* XXX uint8_t -> uint16_t */ 1265 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1266 struct ieee80211_node *ni; 1267 1268 if (vap->iv_opmode == IEEE80211_M_STA) { 1269 ni = ieee80211_ref_node(vap->iv_bss); 1270 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1271 ieee80211_free_node(ni); 1272 return EADDRNOTAVAIL; 1273 } 1274 } else { 1275 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1276 dk.idk_macaddr); 1277 if (ni == NULL) 1278 return ENOENT; 1279 } 1280 /* XXX error return */ 1281 ieee80211_node_delucastkey(ni); 1282 ieee80211_free_node(ni); 1283 } else { 1284 if (kid >= IEEE80211_WEP_NKID) 1285 return EINVAL; 1286 /* XXX error return */ 1287 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1288 } 1289 return 0; 1290 } 1291 1292 struct mlmeop { 1293 struct ieee80211vap *vap; 1294 int op; 1295 int reason; 1296 }; 1297 1298 static void 1299 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1300 int op, int reason) 1301 { 1302 #ifdef IEEE80211_DEBUG 1303 static const struct { 1304 int mask; 1305 const char *opstr; 1306 } ops[] = { 1307 { 0, "op#0" }, 1308 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1309 IEEE80211_MSG_ASSOC, "assoc" }, 1310 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1311 IEEE80211_MSG_ASSOC, "disassoc" }, 1312 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1313 IEEE80211_MSG_AUTH, "deauth" }, 1314 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1315 IEEE80211_MSG_AUTH, "authorize" }, 1316 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1317 IEEE80211_MSG_AUTH, "unauthorize" }, 1318 }; 1319 1320 if (op == IEEE80211_MLME_AUTH) { 1321 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1322 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1323 "station authenticate %s via MLME (reason: %d (%s))", 1324 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1325 reason, ieee80211_reason_to_string(reason)); 1326 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1327 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1328 "unknown MLME request %d (reason: %d (%s))", op, reason, 1329 ieee80211_reason_to_string(reason)); 1330 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1331 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1332 "station %s via MLME", ops[op].opstr); 1333 } else { 1334 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1335 "station %s via MLME (reason: %d (%s))", ops[op].opstr, 1336 reason, ieee80211_reason_to_string(reason)); 1337 } 1338 #endif /* IEEE80211_DEBUG */ 1339 } 1340 1341 static void 1342 domlme(void *arg, struct ieee80211_node *ni) 1343 { 1344 struct mlmeop *mop = arg; 1345 struct ieee80211vap *vap = ni->ni_vap; 1346 1347 if (vap != mop->vap) 1348 return; 1349 /* 1350 * NB: if ni_associd is zero then the node is already cleaned 1351 * up and we don't need to do this (we're safely holding a 1352 * reference but should otherwise not modify it's state). 1353 */ 1354 if (ni->ni_associd == 0) 1355 return; 1356 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1357 if (mop->op == IEEE80211_MLME_DEAUTH) { 1358 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1359 mop->reason); 1360 } else { 1361 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1362 mop->reason); 1363 } 1364 ieee80211_node_leave(ni); 1365 } 1366 1367 static int 1368 setmlme_dropsta(struct ieee80211vap *vap, 1369 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1370 { 1371 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1372 struct ieee80211_node *ni; 1373 int error = 0; 1374 1375 /* NB: the broadcast address means do 'em all */ 1376 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1377 IEEE80211_NODE_LOCK(nt); 1378 ni = ieee80211_find_node_locked(nt, mac); 1379 IEEE80211_NODE_UNLOCK(nt); 1380 /* 1381 * Don't do the node update inside the node 1382 * table lock. This unfortunately causes LORs 1383 * with drivers and their TX paths. 1384 */ 1385 if (ni != NULL) { 1386 domlme(mlmeop, ni); 1387 ieee80211_free_node(ni); 1388 } else 1389 error = ENOENT; 1390 } else { 1391 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1392 } 1393 return error; 1394 } 1395 1396 static int 1397 setmlme_common(struct ieee80211vap *vap, int op, 1398 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1399 { 1400 struct ieee80211com *ic = vap->iv_ic; 1401 struct ieee80211_node_table *nt = &ic->ic_sta; 1402 struct ieee80211_node *ni; 1403 struct mlmeop mlmeop; 1404 int error; 1405 1406 error = 0; 1407 switch (op) { 1408 case IEEE80211_MLME_DISASSOC: 1409 case IEEE80211_MLME_DEAUTH: 1410 switch (vap->iv_opmode) { 1411 case IEEE80211_M_STA: 1412 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1413 /* XXX not quite right */ 1414 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1415 break; 1416 case IEEE80211_M_HOSTAP: 1417 mlmeop.vap = vap; 1418 mlmeop.op = op; 1419 mlmeop.reason = reason; 1420 error = setmlme_dropsta(vap, mac, &mlmeop); 1421 break; 1422 case IEEE80211_M_WDS: 1423 /* XXX user app should send raw frame? */ 1424 if (op != IEEE80211_MLME_DEAUTH) { 1425 error = EINVAL; 1426 break; 1427 } 1428 #if 0 1429 /* XXX accept any address, simplifies user code */ 1430 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1431 error = EINVAL; 1432 break; 1433 } 1434 #endif 1435 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1436 ni = ieee80211_ref_node(vap->iv_bss); 1437 IEEE80211_SEND_MGMT(ni, 1438 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1439 ieee80211_free_node(ni); 1440 break; 1441 case IEEE80211_M_MBSS: 1442 IEEE80211_NODE_LOCK(nt); 1443 ni = ieee80211_find_node_locked(nt, mac); 1444 /* 1445 * Don't do the node update inside the node 1446 * table lock. This unfortunately causes LORs 1447 * with drivers and their TX paths. 1448 */ 1449 IEEE80211_NODE_UNLOCK(nt); 1450 if (ni != NULL) { 1451 ieee80211_node_leave(ni); 1452 ieee80211_free_node(ni); 1453 } else { 1454 error = ENOENT; 1455 } 1456 break; 1457 default: 1458 error = EINVAL; 1459 break; 1460 } 1461 break; 1462 case IEEE80211_MLME_AUTHORIZE: 1463 case IEEE80211_MLME_UNAUTHORIZE: 1464 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1465 vap->iv_opmode != IEEE80211_M_WDS) { 1466 error = EINVAL; 1467 break; 1468 } 1469 IEEE80211_NODE_LOCK(nt); 1470 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1471 /* 1472 * Don't do the node update inside the node 1473 * table lock. This unfortunately causes LORs 1474 * with drivers and their TX paths. 1475 */ 1476 IEEE80211_NODE_UNLOCK(nt); 1477 if (ni != NULL) { 1478 mlmedebug(vap, mac, op, reason); 1479 if (op == IEEE80211_MLME_AUTHORIZE) 1480 ieee80211_node_authorize(ni); 1481 else 1482 ieee80211_node_unauthorize(ni); 1483 ieee80211_free_node(ni); 1484 } else 1485 error = ENOENT; 1486 break; 1487 case IEEE80211_MLME_AUTH: 1488 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1489 error = EINVAL; 1490 break; 1491 } 1492 IEEE80211_NODE_LOCK(nt); 1493 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1494 /* 1495 * Don't do the node update inside the node 1496 * table lock. This unfortunately causes LORs 1497 * with drivers and their TX paths. 1498 */ 1499 IEEE80211_NODE_UNLOCK(nt); 1500 if (ni != NULL) { 1501 mlmedebug(vap, mac, op, reason); 1502 if (reason == IEEE80211_STATUS_SUCCESS) { 1503 IEEE80211_SEND_MGMT(ni, 1504 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1505 /* 1506 * For shared key auth, just continue the 1507 * exchange. Otherwise when 802.1x is not in 1508 * use mark the port authorized at this point 1509 * so traffic can flow. 1510 */ 1511 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1512 ni->ni_challenge == NULL) 1513 ieee80211_node_authorize(ni); 1514 } else { 1515 vap->iv_stats.is_rx_acl++; 1516 ieee80211_send_error(ni, ni->ni_macaddr, 1517 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1518 ieee80211_node_leave(ni); 1519 } 1520 ieee80211_free_node(ni); 1521 } else 1522 error = ENOENT; 1523 break; 1524 default: 1525 error = EINVAL; 1526 break; 1527 } 1528 return error; 1529 } 1530 1531 struct scanlookup { 1532 const uint8_t *mac; 1533 int esslen; 1534 const uint8_t *essid; 1535 const struct ieee80211_scan_entry *se; 1536 }; 1537 1538 /* 1539 * Match mac address and any ssid. 1540 */ 1541 static void 1542 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1543 { 1544 struct scanlookup *look = arg; 1545 1546 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1547 return; 1548 if (look->esslen != 0) { 1549 if (se->se_ssid[1] != look->esslen) 1550 return; 1551 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1552 return; 1553 } 1554 look->se = se; 1555 } 1556 1557 static int 1558 setmlme_assoc_sta(struct ieee80211vap *vap, 1559 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1560 const uint8_t ssid[IEEE80211_NWID_LEN]) 1561 { 1562 struct scanlookup lookup; 1563 1564 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1565 ("expected opmode STA not %s", 1566 ieee80211_opmode_name[vap->iv_opmode])); 1567 1568 /* NB: this is racey if roaming is !manual */ 1569 lookup.se = NULL; 1570 lookup.mac = mac; 1571 lookup.esslen = ssid_len; 1572 lookup.essid = ssid; 1573 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1574 if (lookup.se == NULL) 1575 return ENOENT; 1576 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1577 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1578 return EIO; /* XXX unique but could be better */ 1579 return 0; 1580 } 1581 1582 static int 1583 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1584 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1585 const uint8_t ssid[IEEE80211_NWID_LEN]) 1586 { 1587 struct ieee80211_scan_req *sr; 1588 int error; 1589 1590 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1591 vap->iv_opmode == IEEE80211_M_AHDEMO, 1592 ("expected opmode IBSS or AHDEMO not %s", 1593 ieee80211_opmode_name[vap->iv_opmode])); 1594 1595 if (ssid_len == 0 || ssid_len > IEEE80211_NWID_LEN) 1596 return EINVAL; 1597 1598 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1599 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1600 if (sr == NULL) 1601 return ENOMEM; 1602 1603 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1604 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1605 vap->iv_des_ssid[0].len = ssid_len; 1606 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1607 vap->iv_des_nssid = 1; 1608 1609 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1610 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1611 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1612 sr->sr_ssid[0].len = ssid_len; 1613 sr->sr_nssid = 1; 1614 1615 error = ieee80211_scanreq(vap, sr); 1616 1617 IEEE80211_FREE(sr, M_TEMP); 1618 return error; 1619 } 1620 1621 static int 1622 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1623 { 1624 struct ieee80211req_mlme mlme; 1625 int error; 1626 1627 if (ireq->i_len != sizeof(mlme)) 1628 return EINVAL; 1629 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1630 if (error) 1631 return error; 1632 if (vap->iv_opmode == IEEE80211_M_STA && 1633 mlme.im_op == IEEE80211_MLME_ASSOC) 1634 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1635 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1636 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1637 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1638 mlme.im_op == IEEE80211_MLME_ASSOC) 1639 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1640 mlme.im_ssid_len, mlme.im_ssid); 1641 else 1642 return setmlme_common(vap, mlme.im_op, 1643 mlme.im_macaddr, mlme.im_reason); 1644 } 1645 1646 static int 1647 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1648 { 1649 uint8_t mac[IEEE80211_ADDR_LEN]; 1650 const struct ieee80211_aclator *acl = vap->iv_acl; 1651 int error; 1652 1653 if (ireq->i_len != sizeof(mac)) 1654 return EINVAL; 1655 error = copyin(ireq->i_data, mac, ireq->i_len); 1656 if (error) 1657 return error; 1658 if (acl == NULL) { 1659 acl = ieee80211_aclator_get("mac"); 1660 if (acl == NULL || !acl->iac_attach(vap)) 1661 return EINVAL; 1662 vap->iv_acl = acl; 1663 } 1664 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1665 acl->iac_add(vap, mac); 1666 else 1667 acl->iac_remove(vap, mac); 1668 return 0; 1669 } 1670 1671 static int 1672 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1673 { 1674 const struct ieee80211_aclator *acl = vap->iv_acl; 1675 1676 switch (ireq->i_val) { 1677 case IEEE80211_MACCMD_POLICY_OPEN: 1678 case IEEE80211_MACCMD_POLICY_ALLOW: 1679 case IEEE80211_MACCMD_POLICY_DENY: 1680 case IEEE80211_MACCMD_POLICY_RADIUS: 1681 if (acl == NULL) { 1682 acl = ieee80211_aclator_get("mac"); 1683 if (acl == NULL || !acl->iac_attach(vap)) 1684 return EINVAL; 1685 vap->iv_acl = acl; 1686 } 1687 acl->iac_setpolicy(vap, ireq->i_val); 1688 break; 1689 case IEEE80211_MACCMD_FLUSH: 1690 if (acl != NULL) 1691 acl->iac_flush(vap); 1692 /* NB: silently ignore when not in use */ 1693 break; 1694 case IEEE80211_MACCMD_DETACH: 1695 if (acl != NULL) { 1696 vap->iv_acl = NULL; 1697 acl->iac_detach(vap); 1698 } 1699 break; 1700 default: 1701 if (acl == NULL) 1702 return EINVAL; 1703 else 1704 return acl->iac_setioctl(vap, ireq); 1705 } 1706 return 0; 1707 } 1708 1709 static int 1710 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1711 { 1712 struct ieee80211com *ic = vap->iv_ic; 1713 uint8_t *chanlist, *list; 1714 int i, nchan, maxchan, error; 1715 1716 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1717 ireq->i_len = sizeof(ic->ic_chan_active); 1718 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1719 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1720 if (list == NULL) 1721 return ENOMEM; 1722 error = copyin(ireq->i_data, list, ireq->i_len); 1723 if (error) { 1724 IEEE80211_FREE(list, M_TEMP); 1725 return error; 1726 } 1727 nchan = 0; 1728 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1729 maxchan = ireq->i_len * NBBY; 1730 for (i = 0; i < ic->ic_nchans; i++) { 1731 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1732 /* 1733 * Calculate the intersection of the user list and the 1734 * available channels so users can do things like specify 1735 * 1-255 to get all available channels. 1736 */ 1737 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1738 setbit(chanlist, c->ic_ieee); 1739 nchan++; 1740 } 1741 } 1742 if (nchan == 0) { 1743 IEEE80211_FREE(list, M_TEMP); 1744 return EINVAL; 1745 } 1746 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1747 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1748 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1749 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1750 ieee80211_scan_flush(vap); 1751 IEEE80211_FREE(list, M_TEMP); 1752 return ENETRESET; 1753 } 1754 1755 static int 1756 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1757 { 1758 struct ieee80211_node *ni; 1759 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1760 int error; 1761 1762 /* 1763 * NB: we could copyin ieee80211req_sta_stats so apps 1764 * could make selective changes but that's overkill; 1765 * just clear all stats for now. 1766 */ 1767 if (ireq->i_len < IEEE80211_ADDR_LEN) 1768 return EINVAL; 1769 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1770 if (error != 0) 1771 return error; 1772 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1773 if (ni == NULL) 1774 return ENOENT; 1775 /* XXX require ni_vap == vap? */ 1776 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1777 ieee80211_free_node(ni); 1778 return 0; 1779 } 1780 1781 static int 1782 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1783 { 1784 struct ieee80211_node *ni; 1785 struct ieee80211req_sta_txpow txpow; 1786 int error; 1787 1788 if (ireq->i_len != sizeof(txpow)) 1789 return EINVAL; 1790 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1791 if (error != 0) 1792 return error; 1793 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1794 if (ni == NULL) 1795 return ENOENT; 1796 ni->ni_txpower = txpow.it_txpow; 1797 ieee80211_free_node(ni); 1798 return error; 1799 } 1800 1801 static int 1802 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1803 { 1804 struct ieee80211com *ic = vap->iv_ic; 1805 struct ieee80211_wme_state *wme = &ic->ic_wme; 1806 struct wmeParams *wmep, *chanp; 1807 int isbss, ac, aggrmode; 1808 1809 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1810 return EOPNOTSUPP; 1811 1812 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1813 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1814 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1815 if (ac >= WME_NUM_AC) 1816 ac = WME_AC_BE; 1817 if (isbss) { 1818 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1819 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1820 } else { 1821 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1822 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1823 } 1824 switch (ireq->i_type) { 1825 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1826 wmep->wmep_logcwmin = ireq->i_val; 1827 if (!isbss || !aggrmode) 1828 chanp->wmep_logcwmin = ireq->i_val; 1829 break; 1830 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1831 wmep->wmep_logcwmax = ireq->i_val; 1832 if (!isbss || !aggrmode) 1833 chanp->wmep_logcwmax = ireq->i_val; 1834 break; 1835 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1836 wmep->wmep_aifsn = ireq->i_val; 1837 if (!isbss || !aggrmode) 1838 chanp->wmep_aifsn = ireq->i_val; 1839 break; 1840 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1841 wmep->wmep_txopLimit = ireq->i_val; 1842 if (!isbss || !aggrmode) 1843 chanp->wmep_txopLimit = ireq->i_val; 1844 break; 1845 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1846 wmep->wmep_acm = ireq->i_val; 1847 if (!aggrmode) 1848 chanp->wmep_acm = ireq->i_val; 1849 break; 1850 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1851 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1852 (ireq->i_val) == 0; 1853 break; 1854 } 1855 ieee80211_wme_updateparams(vap); 1856 return 0; 1857 } 1858 1859 static int 1860 find11gchannel(struct ieee80211com *ic, int start, int freq) 1861 { 1862 const struct ieee80211_channel *c; 1863 int i; 1864 1865 for (i = start+1; i < ic->ic_nchans; i++) { 1866 c = &ic->ic_channels[i]; 1867 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1868 return 1; 1869 } 1870 /* NB: should not be needed but in case things are mis-sorted */ 1871 for (i = 0; i < start; i++) { 1872 c = &ic->ic_channels[i]; 1873 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1874 return 1; 1875 } 1876 return 0; 1877 } 1878 1879 static struct ieee80211_channel * 1880 findchannel(struct ieee80211com *ic, int ieee, int mode) 1881 { 1882 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1883 [IEEE80211_MODE_AUTO] = 0, 1884 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1885 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1886 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1887 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1888 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1889 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1890 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1891 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1892 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1893 /* NB: handled specially below */ 1894 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1895 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1896 [IEEE80211_MODE_VHT_5GHZ] = IEEE80211_CHAN_A, 1897 [IEEE80211_MODE_VHT_2GHZ] = IEEE80211_CHAN_G, 1898 }; 1899 u_int modeflags; 1900 int i; 1901 1902 modeflags = chanflags[mode]; 1903 for (i = 0; i < ic->ic_nchans; i++) { 1904 struct ieee80211_channel *c = &ic->ic_channels[i]; 1905 1906 if (c->ic_ieee != ieee) 1907 continue; 1908 if (mode == IEEE80211_MODE_AUTO) { 1909 /* ignore turbo channels for autoselect */ 1910 if (IEEE80211_IS_CHAN_TURBO(c)) 1911 continue; 1912 /* 1913 * XXX special-case 11b/g channels so we 1914 * always select the g channel if both 1915 * are present. 1916 * XXX prefer HT to non-HT? 1917 */ 1918 if (!IEEE80211_IS_CHAN_B(c) || 1919 !find11gchannel(ic, i, c->ic_freq)) 1920 return c; 1921 } else { 1922 /* must check VHT specifically */ 1923 if ((mode == IEEE80211_MODE_VHT_5GHZ || 1924 mode == IEEE80211_MODE_VHT_2GHZ) && 1925 !IEEE80211_IS_CHAN_VHT(c)) 1926 continue; 1927 1928 /* 1929 * Must check HT specially - only match on HT, 1930 * not HT+VHT channels 1931 */ 1932 if ((mode == IEEE80211_MODE_11NA || 1933 mode == IEEE80211_MODE_11NG) && 1934 !IEEE80211_IS_CHAN_HT(c)) 1935 continue; 1936 1937 if ((mode == IEEE80211_MODE_11NA || 1938 mode == IEEE80211_MODE_11NG) && 1939 IEEE80211_IS_CHAN_VHT(c)) 1940 continue; 1941 1942 /* Check that the modeflags above match */ 1943 if ((c->ic_flags & modeflags) == modeflags) 1944 return c; 1945 } 1946 } 1947 return NULL; 1948 } 1949 1950 /* 1951 * Check the specified against any desired mode (aka netband). 1952 * This is only used (presently) when operating in hostap mode 1953 * to enforce consistency. 1954 */ 1955 static int 1956 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1957 { 1958 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1959 1960 switch (mode) { 1961 case IEEE80211_MODE_11B: 1962 return (IEEE80211_IS_CHAN_B(c)); 1963 case IEEE80211_MODE_11G: 1964 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1965 case IEEE80211_MODE_11A: 1966 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1967 case IEEE80211_MODE_STURBO_A: 1968 return (IEEE80211_IS_CHAN_STURBO(c)); 1969 case IEEE80211_MODE_11NA: 1970 return (IEEE80211_IS_CHAN_HTA(c)); 1971 case IEEE80211_MODE_11NG: 1972 return (IEEE80211_IS_CHAN_HTG(c)); 1973 } 1974 return 1; 1975 1976 } 1977 1978 /* 1979 * Common code to set the current channel. If the device 1980 * is up and running this may result in an immediate channel 1981 * change or a kick of the state machine. 1982 */ 1983 static int 1984 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1985 { 1986 struct ieee80211com *ic = vap->iv_ic; 1987 int error; 1988 1989 if (c != IEEE80211_CHAN_ANYC) { 1990 if (IEEE80211_IS_CHAN_RADAR(c)) 1991 return EBUSY; /* XXX better code? */ 1992 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1993 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1994 return EINVAL; 1995 if (!check_mode_consistency(c, vap->iv_des_mode)) 1996 return EINVAL; 1997 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1998 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1999 return EINVAL; 2000 } 2001 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 2002 vap->iv_bss->ni_chan == c) 2003 return 0; /* NB: nothing to do */ 2004 } 2005 vap->iv_des_chan = c; 2006 2007 error = 0; 2008 if (vap->iv_opmode == IEEE80211_M_MONITOR && 2009 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2010 /* 2011 * Monitor mode can switch directly. 2012 */ 2013 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 2014 /* XXX need state machine for other vap's to follow */ 2015 ieee80211_setcurchan(ic, vap->iv_des_chan); 2016 vap->iv_bss->ni_chan = ic->ic_curchan; 2017 } else { 2018 ic->ic_curchan = vap->iv_des_chan; 2019 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2020 } 2021 } else { 2022 /* 2023 * Need to go through the state machine in case we 2024 * need to reassociate or the like. The state machine 2025 * will pickup the desired channel and avoid scanning. 2026 */ 2027 if (IS_UP_AUTO(vap)) 2028 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2029 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2030 /* 2031 * When not up+running and a real channel has 2032 * been specified fix the current channel so 2033 * there is immediate feedback; e.g. via ifconfig. 2034 */ 2035 ic->ic_curchan = vap->iv_des_chan; 2036 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2037 } 2038 } 2039 return error; 2040 } 2041 2042 /* 2043 * Old api for setting the current channel; this is 2044 * deprecated because channel numbers are ambiguous. 2045 */ 2046 static int 2047 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2048 const struct ieee80211req *ireq) 2049 { 2050 struct ieee80211com *ic = vap->iv_ic; 2051 struct ieee80211_channel *c; 2052 2053 /* XXX 0xffff overflows 16-bit signed */ 2054 if (ireq->i_val == 0 || 2055 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2056 c = IEEE80211_CHAN_ANYC; 2057 } else { 2058 struct ieee80211_channel *c2; 2059 2060 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2061 if (c == NULL) { 2062 c = findchannel(ic, ireq->i_val, 2063 IEEE80211_MODE_AUTO); 2064 if (c == NULL) 2065 return EINVAL; 2066 } 2067 2068 /* 2069 * Fine tune channel selection based on desired mode: 2070 * if 11b is requested, find the 11b version of any 2071 * 11g channel returned, 2072 * if static turbo, find the turbo version of any 2073 * 11a channel return, 2074 * if 11na is requested, find the ht version of any 2075 * 11a channel returned, 2076 * if 11ng is requested, find the ht version of any 2077 * 11g channel returned, 2078 * if 11ac is requested, find the 11ac version 2079 * of any 11a/11na channel returned, 2080 * (TBD) 11acg (2GHz VHT) 2081 * otherwise we should be ok with what we've got. 2082 */ 2083 switch (vap->iv_des_mode) { 2084 case IEEE80211_MODE_11B: 2085 if (IEEE80211_IS_CHAN_ANYG(c)) { 2086 c2 = findchannel(ic, ireq->i_val, 2087 IEEE80211_MODE_11B); 2088 /* NB: should not happen, =>'s 11g w/o 11b */ 2089 if (c2 != NULL) 2090 c = c2; 2091 } 2092 break; 2093 case IEEE80211_MODE_TURBO_A: 2094 if (IEEE80211_IS_CHAN_A(c)) { 2095 c2 = findchannel(ic, ireq->i_val, 2096 IEEE80211_MODE_TURBO_A); 2097 if (c2 != NULL) 2098 c = c2; 2099 } 2100 break; 2101 case IEEE80211_MODE_11NA: 2102 if (IEEE80211_IS_CHAN_A(c)) { 2103 c2 = findchannel(ic, ireq->i_val, 2104 IEEE80211_MODE_11NA); 2105 if (c2 != NULL) 2106 c = c2; 2107 } 2108 break; 2109 case IEEE80211_MODE_11NG: 2110 if (IEEE80211_IS_CHAN_ANYG(c)) { 2111 c2 = findchannel(ic, ireq->i_val, 2112 IEEE80211_MODE_11NG); 2113 if (c2 != NULL) 2114 c = c2; 2115 } 2116 break; 2117 case IEEE80211_MODE_VHT_2GHZ: 2118 printf("%s: TBD\n", __func__); 2119 break; 2120 case IEEE80211_MODE_VHT_5GHZ: 2121 if (IEEE80211_IS_CHAN_A(c)) { 2122 c2 = findchannel(ic, ireq->i_val, 2123 IEEE80211_MODE_VHT_5GHZ); 2124 if (c2 != NULL) 2125 c = c2; 2126 } 2127 break; 2128 default: /* NB: no static turboG */ 2129 break; 2130 } 2131 } 2132 return setcurchan(vap, c); 2133 } 2134 2135 /* 2136 * New/current api for setting the current channel; a complete 2137 * channel description is provide so there is no ambiguity in 2138 * identifying the channel. 2139 */ 2140 static int 2141 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2142 const struct ieee80211req *ireq) 2143 { 2144 struct ieee80211com *ic = vap->iv_ic; 2145 struct ieee80211_channel chan, *c; 2146 int error; 2147 2148 if (ireq->i_len != sizeof(chan)) 2149 return EINVAL; 2150 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2151 if (error != 0) 2152 return error; 2153 2154 /* XXX 0xffff overflows 16-bit signed */ 2155 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2156 c = IEEE80211_CHAN_ANYC; 2157 } else { 2158 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2159 if (c == NULL) 2160 return EINVAL; 2161 } 2162 return setcurchan(vap, c); 2163 } 2164 2165 static int 2166 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2167 const struct ieee80211req *ireq) 2168 { 2169 struct ieee80211_regdomain_req *reg; 2170 int nchans, error; 2171 2172 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2173 sizeof(struct ieee80211_channel)); 2174 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2175 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2176 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2177 ireq->i_len, nchans); 2178 return EINVAL; 2179 } 2180 reg = (struct ieee80211_regdomain_req *) 2181 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2182 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2183 if (reg == NULL) { 2184 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2185 "%s: no memory, nchans %d\n", __func__, nchans); 2186 return ENOMEM; 2187 } 2188 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2189 if (error == 0) { 2190 /* NB: validate inline channel count against storage size */ 2191 if (reg->chaninfo.ic_nchans != nchans) { 2192 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2193 "%s: chan cnt mismatch, %d != %d\n", __func__, 2194 reg->chaninfo.ic_nchans, nchans); 2195 error = EINVAL; 2196 } else 2197 error = ieee80211_setregdomain(vap, reg); 2198 } 2199 IEEE80211_FREE(reg, M_TEMP); 2200 2201 return (error == 0 ? ENETRESET : error); 2202 } 2203 2204 static int 2205 checkrate(const struct ieee80211_rateset *rs, int rate) 2206 { 2207 int i; 2208 2209 if (rate == IEEE80211_FIXED_RATE_NONE) 2210 return 1; 2211 for (i = 0; i < rs->rs_nrates; i++) 2212 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2213 return 1; 2214 return 0; 2215 } 2216 2217 static int 2218 checkmcs(const struct ieee80211_htrateset *rs, int mcs) 2219 { 2220 int rate_val = IEEE80211_RV(mcs); 2221 int i; 2222 2223 if (mcs == IEEE80211_FIXED_RATE_NONE) 2224 return 1; 2225 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2226 return 0; 2227 for (i = 0; i < rs->rs_nrates; i++) 2228 if (IEEE80211_RV(rs->rs_rates[i]) == rate_val) 2229 return 1; 2230 return 0; 2231 } 2232 2233 static int 2234 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2235 const struct ieee80211req *ireq) 2236 { 2237 struct ieee80211com *ic = vap->iv_ic; 2238 struct ieee80211_roamparams_req *parms; 2239 struct ieee80211_roamparam *src, *dst; 2240 const struct ieee80211_htrateset *rs_ht; 2241 const struct ieee80211_rateset *rs; 2242 int changed, error, mode, is11n, nmodes; 2243 2244 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2245 return EINVAL; 2246 2247 parms = IEEE80211_MALLOC(sizeof(*parms), M_TEMP, 2248 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2249 if (parms == NULL) 2250 return ENOMEM; 2251 2252 error = copyin(ireq->i_data, parms, ireq->i_len); 2253 if (error != 0) 2254 goto fail; 2255 2256 changed = 0; 2257 nmodes = IEEE80211_MODE_MAX; 2258 2259 /* validate parameters and check if anything changed */ 2260 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2261 if (isclr(ic->ic_modecaps, mode)) 2262 continue; 2263 src = &parms->params[mode]; 2264 dst = &vap->iv_roamparms[mode]; 2265 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2266 rs_ht = &ic->ic_sup_htrates; 2267 is11n = (mode == IEEE80211_MODE_11NA || 2268 mode == IEEE80211_MODE_11NG); 2269 /* XXX TODO: 11ac */ 2270 if (src->rate != dst->rate) { 2271 if (!checkrate(rs, src->rate) && 2272 (!is11n || !checkmcs(rs_ht, src->rate))) { 2273 error = EINVAL; 2274 goto fail; 2275 } 2276 changed++; 2277 } 2278 if (src->rssi != dst->rssi) 2279 changed++; 2280 } 2281 if (changed) { 2282 /* 2283 * Copy new parameters in place and notify the 2284 * driver so it can push state to the device. 2285 */ 2286 /* XXX locking? */ 2287 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2288 if (isset(ic->ic_modecaps, mode)) 2289 vap->iv_roamparms[mode] = parms->params[mode]; 2290 } 2291 2292 if (vap->iv_roaming == IEEE80211_ROAMING_DEVICE) 2293 error = ERESTART; 2294 } 2295 2296 fail: IEEE80211_FREE(parms, M_TEMP); 2297 return error; 2298 } 2299 2300 static int 2301 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2302 const struct ieee80211req *ireq) 2303 { 2304 struct ieee80211com *ic = vap->iv_ic; 2305 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2306 struct ieee80211_txparam *src, *dst; 2307 const struct ieee80211_htrateset *rs_ht; 2308 const struct ieee80211_rateset *rs; 2309 int error, mode, changed, is11n, nmodes; 2310 2311 /* NB: accept short requests for backwards compat */ 2312 if (ireq->i_len > sizeof(parms)) 2313 return EINVAL; 2314 error = copyin(ireq->i_data, &parms, ireq->i_len); 2315 if (error != 0) 2316 return error; 2317 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2318 changed = 0; 2319 /* validate parameters and check if anything changed */ 2320 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2321 if (isclr(ic->ic_modecaps, mode)) 2322 continue; 2323 src = &parms.params[mode]; 2324 dst = &vap->iv_txparms[mode]; 2325 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2326 rs_ht = &ic->ic_sup_htrates; 2327 is11n = (mode == IEEE80211_MODE_11NA || 2328 mode == IEEE80211_MODE_11NG); 2329 if (src->ucastrate != dst->ucastrate) { 2330 if (!checkrate(rs, src->ucastrate) && 2331 (!is11n || !checkmcs(rs_ht, src->ucastrate))) 2332 return EINVAL; 2333 changed++; 2334 } 2335 if (src->mcastrate != dst->mcastrate) { 2336 if (!checkrate(rs, src->mcastrate) && 2337 (!is11n || !checkmcs(rs_ht, src->mcastrate))) 2338 return EINVAL; 2339 changed++; 2340 } 2341 if (src->mgmtrate != dst->mgmtrate) { 2342 if (!checkrate(rs, src->mgmtrate) && 2343 (!is11n || !checkmcs(rs_ht, src->mgmtrate))) 2344 return EINVAL; 2345 changed++; 2346 } 2347 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2348 changed++; 2349 } 2350 if (changed) { 2351 /* 2352 * Copy new parameters in place and notify the 2353 * driver so it can push state to the device. 2354 */ 2355 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2356 if (isset(ic->ic_modecaps, mode)) 2357 vap->iv_txparms[mode] = parms.params[mode]; 2358 } 2359 /* XXX could be more intelligent, 2360 e.g. don't reset if setting not being used */ 2361 return ENETRESET; 2362 } 2363 return 0; 2364 } 2365 2366 /* 2367 * Application Information Element support. 2368 */ 2369 static int 2370 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2371 { 2372 struct ieee80211_appie *app = *aie; 2373 struct ieee80211_appie *napp; 2374 int error; 2375 2376 if (ireq->i_len == 0) { /* delete any existing ie */ 2377 if (app != NULL) { 2378 *aie = NULL; /* XXX racey */ 2379 IEEE80211_FREE(app, M_80211_NODE_IE); 2380 } 2381 return 0; 2382 } 2383 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2384 return EINVAL; 2385 /* 2386 * Allocate a new appie structure and copy in the user data. 2387 * When done swap in the new structure. Note that we do not 2388 * guard against users holding a ref to the old structure; 2389 * this must be handled outside this code. 2390 * 2391 * XXX bad bad bad 2392 */ 2393 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2394 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2395 IEEE80211_M_NOWAIT); 2396 if (napp == NULL) 2397 return ENOMEM; 2398 /* XXX holding ic lock */ 2399 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2400 if (error) { 2401 IEEE80211_FREE(napp, M_80211_NODE_IE); 2402 return error; 2403 } 2404 napp->ie_len = ireq->i_len; 2405 *aie = napp; 2406 if (app != NULL) 2407 IEEE80211_FREE(app, M_80211_NODE_IE); 2408 return 0; 2409 } 2410 2411 static void 2412 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2413 { 2414 /* validate data is present as best we can */ 2415 if (space == 0 || 2+ie[1] > space) 2416 return; 2417 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2418 vap->iv_wpa_ie = ie; 2419 else if (ie[0] == IEEE80211_ELEMID_RSN) 2420 vap->iv_rsn_ie = ie; 2421 } 2422 2423 static int 2424 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2425 const struct ieee80211req *ireq, int fc0) 2426 { 2427 int error; 2428 2429 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2430 2431 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2432 case IEEE80211_FC0_SUBTYPE_BEACON: 2433 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2434 vap->iv_opmode != IEEE80211_M_IBSS) { 2435 error = EINVAL; 2436 break; 2437 } 2438 error = setappie(&vap->iv_appie_beacon, ireq); 2439 if (error == 0) 2440 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2441 break; 2442 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2443 error = setappie(&vap->iv_appie_proberesp, ireq); 2444 break; 2445 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2446 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2447 error = setappie(&vap->iv_appie_assocresp, ireq); 2448 else 2449 error = EINVAL; 2450 break; 2451 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2452 error = setappie(&vap->iv_appie_probereq, ireq); 2453 break; 2454 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2455 if (vap->iv_opmode == IEEE80211_M_STA) 2456 error = setappie(&vap->iv_appie_assocreq, ireq); 2457 else 2458 error = EINVAL; 2459 break; 2460 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2461 error = setappie(&vap->iv_appie_wpa, ireq); 2462 if (error == 0) { 2463 /* 2464 * Must split single blob of data into separate 2465 * WPA and RSN ie's because they go in different 2466 * locations in the mgt frames. 2467 * XXX use IEEE80211_IOC_WPA2 so user code does split 2468 */ 2469 vap->iv_wpa_ie = NULL; 2470 vap->iv_rsn_ie = NULL; 2471 if (vap->iv_appie_wpa != NULL) { 2472 struct ieee80211_appie *appie = 2473 vap->iv_appie_wpa; 2474 uint8_t *data = appie->ie_data; 2475 2476 /* XXX ie length validate is painful, cheat */ 2477 setwparsnie(vap, data, appie->ie_len); 2478 setwparsnie(vap, data + 2 + data[1], 2479 appie->ie_len - (2 + data[1])); 2480 } 2481 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2482 vap->iv_opmode == IEEE80211_M_IBSS) { 2483 /* 2484 * Must rebuild beacon frame as the update 2485 * mechanism doesn't handle WPA/RSN ie's. 2486 * Could extend it but it doesn't normally 2487 * change; this is just to deal with hostapd 2488 * plumbing the ie after the interface is up. 2489 */ 2490 error = ENETRESET; 2491 } 2492 } 2493 break; 2494 default: 2495 error = EINVAL; 2496 break; 2497 } 2498 return error; 2499 } 2500 2501 static int 2502 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2503 const struct ieee80211req *ireq) 2504 { 2505 struct ieee80211com *ic = vap->iv_ic; 2506 int error; 2507 uint8_t fc0; 2508 2509 fc0 = ireq->i_val & 0xff; 2510 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2511 return EINVAL; 2512 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2513 IEEE80211_LOCK(ic); 2514 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2515 IEEE80211_UNLOCK(ic); 2516 return error; 2517 } 2518 2519 static int 2520 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2521 { 2522 struct ieee80211com *ic = vap->iv_ic; 2523 struct ieee80211_chanswitch_req csr; 2524 struct ieee80211_channel *c; 2525 int error; 2526 2527 if (ireq->i_len != sizeof(csr)) 2528 return EINVAL; 2529 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2530 if (error != 0) 2531 return error; 2532 /* XXX adhoc mode not supported */ 2533 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2534 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2535 return EOPNOTSUPP; 2536 c = ieee80211_find_channel(ic, 2537 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2538 if (c == NULL) 2539 return ENOENT; 2540 IEEE80211_LOCK(ic); 2541 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2542 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2543 else if (csr.csa_count == 0) 2544 ieee80211_csa_cancelswitch(ic); 2545 else 2546 error = EBUSY; 2547 IEEE80211_UNLOCK(ic); 2548 return error; 2549 } 2550 2551 static int 2552 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2553 { 2554 #define IEEE80211_IOC_SCAN_FLAGS \ 2555 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2556 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2557 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2558 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2559 IEEE80211_IOC_SCAN_CHECK) 2560 struct ieee80211com *ic = vap->iv_ic; 2561 int error, i; 2562 2563 /* convert duration */ 2564 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2565 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2566 else { 2567 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2568 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2569 return EINVAL; 2570 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2571 } 2572 /* convert min/max channel dwell */ 2573 if (sr->sr_mindwell != 0) 2574 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2575 if (sr->sr_maxdwell != 0) 2576 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2577 /* NB: silently reduce ssid count to what is supported */ 2578 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2579 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2580 for (i = 0; i < sr->sr_nssid; i++) 2581 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2582 return EINVAL; 2583 /* cleanse flags just in case, could reject if invalid flags */ 2584 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2585 /* 2586 * Add an implicit NOPICK if the vap is not marked UP. This 2587 * allows applications to scan without joining a bss (or picking 2588 * a channel and setting up a bss) and without forcing manual 2589 * roaming mode--you just need to mark the parent device UP. 2590 */ 2591 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2592 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2593 2594 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2595 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2596 __func__, sr->sr_flags, 2597 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2598 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2599 /* 2600 * If we are in INIT state then the driver has never had a chance 2601 * to setup hardware state to do a scan; we must use the state 2602 * machine to get us up to the SCAN state but once we reach SCAN 2603 * state we then want to use the supplied params. Stash the 2604 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2605 * state machines will recognize this and use the stashed params 2606 * to issue the scan request. 2607 * 2608 * Otherwise just invoke the scan machinery directly. 2609 */ 2610 IEEE80211_LOCK(ic); 2611 if (ic->ic_nrunning == 0) { 2612 IEEE80211_UNLOCK(ic); 2613 return ENXIO; 2614 } 2615 2616 if (vap->iv_state == IEEE80211_S_INIT) { 2617 /* NB: clobbers previous settings */ 2618 vap->iv_scanreq_flags = sr->sr_flags; 2619 vap->iv_scanreq_duration = sr->sr_duration; 2620 vap->iv_scanreq_nssid = sr->sr_nssid; 2621 for (i = 0; i < sr->sr_nssid; i++) { 2622 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2623 memcpy(vap->iv_scanreq_ssid[i].ssid, 2624 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2625 } 2626 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2627 IEEE80211_UNLOCK(ic); 2628 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2629 } else { 2630 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2631 IEEE80211_UNLOCK(ic); 2632 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2633 error = ieee80211_check_scan(vap, sr->sr_flags, 2634 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2635 sr->sr_nssid, 2636 /* NB: cheat, we assume structures are compatible */ 2637 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2638 } else { 2639 error = ieee80211_start_scan(vap, sr->sr_flags, 2640 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2641 sr->sr_nssid, 2642 /* NB: cheat, we assume structures are compatible */ 2643 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2644 } 2645 if (error == 0) 2646 return EINPROGRESS; 2647 } 2648 return 0; 2649 #undef IEEE80211_IOC_SCAN_FLAGS 2650 } 2651 2652 static int 2653 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2654 { 2655 struct ieee80211_scan_req *sr; 2656 int error; 2657 2658 if (ireq->i_len != sizeof(*sr)) 2659 return EINVAL; 2660 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2661 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2662 if (sr == NULL) 2663 return ENOMEM; 2664 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2665 if (error != 0) 2666 goto bad; 2667 error = ieee80211_scanreq(vap, sr); 2668 bad: 2669 IEEE80211_FREE(sr, M_TEMP); 2670 return error; 2671 } 2672 2673 static int 2674 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2675 { 2676 struct ieee80211_node *ni; 2677 struct ieee80211req_sta_vlan vlan; 2678 int error; 2679 2680 if (ireq->i_len != sizeof(vlan)) 2681 return EINVAL; 2682 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2683 if (error != 0) 2684 return error; 2685 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2686 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2687 vlan.sv_macaddr); 2688 if (ni == NULL) 2689 return ENOENT; 2690 } else 2691 ni = ieee80211_ref_node(vap->iv_bss); 2692 ni->ni_vlan = vlan.sv_vlan; 2693 ieee80211_free_node(ni); 2694 return error; 2695 } 2696 2697 static int 2698 isvap11g(const struct ieee80211vap *vap) 2699 { 2700 const struct ieee80211_node *bss = vap->iv_bss; 2701 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2702 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2703 } 2704 2705 static int 2706 isvapht(const struct ieee80211vap *vap) 2707 { 2708 const struct ieee80211_node *bss = vap->iv_bss; 2709 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2710 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2711 } 2712 2713 /* 2714 * Dummy ioctl set handler so the linker set is defined. 2715 */ 2716 static int 2717 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2718 { 2719 return ENOSYS; 2720 } 2721 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2722 2723 static int 2724 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2725 { 2726 ieee80211_ioctl_setfunc * const *set; 2727 int error; 2728 2729 SET_FOREACH(set, ieee80211_ioctl_setset) { 2730 error = (*set)(vap, ireq); 2731 if (error != ENOSYS) 2732 return error; 2733 } 2734 return EINVAL; 2735 } 2736 2737 static int 2738 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2739 { 2740 struct ieee80211com *ic = vap->iv_ic; 2741 int error; 2742 const struct ieee80211_authenticator *auth; 2743 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2744 char tmpssid[IEEE80211_NWID_LEN]; 2745 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2746 struct ieee80211_key *k; 2747 u_int kid; 2748 uint32_t flags; 2749 2750 error = 0; 2751 switch (ireq->i_type) { 2752 case IEEE80211_IOC_SSID: 2753 if (ireq->i_val != 0 || 2754 ireq->i_len > IEEE80211_NWID_LEN) 2755 return EINVAL; 2756 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2757 if (error) 2758 break; 2759 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2760 vap->iv_des_ssid[0].len = ireq->i_len; 2761 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2762 vap->iv_des_nssid = (ireq->i_len > 0); 2763 error = ENETRESET; 2764 break; 2765 case IEEE80211_IOC_WEP: 2766 switch (ireq->i_val) { 2767 case IEEE80211_WEP_OFF: 2768 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2769 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2770 break; 2771 case IEEE80211_WEP_ON: 2772 vap->iv_flags |= IEEE80211_F_PRIVACY; 2773 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2774 break; 2775 case IEEE80211_WEP_MIXED: 2776 vap->iv_flags |= IEEE80211_F_PRIVACY; 2777 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2778 break; 2779 } 2780 error = ENETRESET; 2781 break; 2782 case IEEE80211_IOC_WEPKEY: 2783 kid = (u_int) ireq->i_val; 2784 if (kid >= IEEE80211_WEP_NKID) 2785 return EINVAL; 2786 k = &vap->iv_nw_keys[kid]; 2787 if (ireq->i_len == 0) { 2788 /* zero-len =>'s delete any existing key */ 2789 (void) ieee80211_crypto_delkey(vap, k); 2790 break; 2791 } 2792 if (ireq->i_len > sizeof(tmpkey)) 2793 return EINVAL; 2794 memset(tmpkey, 0, sizeof(tmpkey)); 2795 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2796 if (error) 2797 break; 2798 ieee80211_key_update_begin(vap); 2799 k->wk_keyix = kid; /* NB: force fixed key id */ 2800 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2801 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2802 k->wk_keylen = ireq->i_len; 2803 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2804 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2805 if (!ieee80211_crypto_setkey(vap, k)) 2806 error = EINVAL; 2807 } else 2808 error = EINVAL; 2809 ieee80211_key_update_end(vap); 2810 break; 2811 case IEEE80211_IOC_WEPTXKEY: 2812 kid = (u_int) ireq->i_val; 2813 if (kid >= IEEE80211_WEP_NKID && 2814 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2815 return EINVAL; 2816 /* 2817 * Firmware devices may need to be told about an explicit 2818 * key index here, versus just inferring it from the 2819 * key set / change. Since we may also need to pause 2820 * things like transmit before the key is updated, 2821 * give the driver a chance to flush things by tying 2822 * into key update begin/end. 2823 */ 2824 ieee80211_key_update_begin(vap); 2825 ieee80211_crypto_set_deftxkey(vap, kid); 2826 ieee80211_key_update_end(vap); 2827 break; 2828 case IEEE80211_IOC_AUTHMODE: 2829 switch (ireq->i_val) { 2830 case IEEE80211_AUTH_WPA: 2831 case IEEE80211_AUTH_8021X: /* 802.1x */ 2832 case IEEE80211_AUTH_OPEN: /* open */ 2833 case IEEE80211_AUTH_SHARED: /* shared-key */ 2834 case IEEE80211_AUTH_AUTO: /* auto */ 2835 auth = ieee80211_authenticator_get(ireq->i_val); 2836 if (auth == NULL) 2837 return EINVAL; 2838 break; 2839 default: 2840 return EINVAL; 2841 } 2842 switch (ireq->i_val) { 2843 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2844 vap->iv_flags |= IEEE80211_F_PRIVACY; 2845 ireq->i_val = IEEE80211_AUTH_8021X; 2846 break; 2847 case IEEE80211_AUTH_OPEN: /* open */ 2848 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2849 break; 2850 case IEEE80211_AUTH_SHARED: /* shared-key */ 2851 case IEEE80211_AUTH_8021X: /* 802.1x */ 2852 vap->iv_flags &= ~IEEE80211_F_WPA; 2853 /* both require a key so mark the PRIVACY capability */ 2854 vap->iv_flags |= IEEE80211_F_PRIVACY; 2855 break; 2856 case IEEE80211_AUTH_AUTO: /* auto */ 2857 vap->iv_flags &= ~IEEE80211_F_WPA; 2858 /* XXX PRIVACY handling? */ 2859 /* XXX what's the right way to do this? */ 2860 break; 2861 } 2862 /* NB: authenticator attach/detach happens on state change */ 2863 vap->iv_bss->ni_authmode = ireq->i_val; 2864 /* XXX mixed/mode/usage? */ 2865 vap->iv_auth = auth; 2866 error = ENETRESET; 2867 break; 2868 case IEEE80211_IOC_CHANNEL: 2869 error = ieee80211_ioctl_setchannel(vap, ireq); 2870 break; 2871 case IEEE80211_IOC_POWERSAVE: 2872 switch (ireq->i_val) { 2873 case IEEE80211_POWERSAVE_OFF: 2874 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2875 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2876 error = ERESTART; 2877 } 2878 break; 2879 case IEEE80211_POWERSAVE_ON: 2880 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2881 error = EOPNOTSUPP; 2882 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2883 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2884 error = ERESTART; 2885 } 2886 break; 2887 default: 2888 error = EINVAL; 2889 break; 2890 } 2891 break; 2892 case IEEE80211_IOC_POWERSAVESLEEP: 2893 if (ireq->i_val < 0) 2894 return EINVAL; 2895 ic->ic_lintval = ireq->i_val; 2896 error = ERESTART; 2897 break; 2898 case IEEE80211_IOC_RTSTHRESHOLD: 2899 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2900 ireq->i_val <= IEEE80211_RTS_MAX)) 2901 return EINVAL; 2902 vap->iv_rtsthreshold = ireq->i_val; 2903 error = ERESTART; 2904 break; 2905 case IEEE80211_IOC_PROTMODE: 2906 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2907 return EINVAL; 2908 vap->iv_protmode = (enum ieee80211_protmode)ireq->i_val; 2909 /* NB: if not operating in 11g this can wait */ 2910 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2911 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2912 error = ERESTART; 2913 /* driver callback for protection mode update */ 2914 ieee80211_vap_update_erp_protmode(vap); 2915 break; 2916 case IEEE80211_IOC_TXPOWER: 2917 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2918 return EOPNOTSUPP; 2919 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2920 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2921 return EINVAL; 2922 ic->ic_txpowlimit = ireq->i_val; 2923 error = ERESTART; 2924 break; 2925 case IEEE80211_IOC_ROAMING: 2926 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2927 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2928 return EINVAL; 2929 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2930 /* XXXX reset? */ 2931 break; 2932 case IEEE80211_IOC_PRIVACY: 2933 if (ireq->i_val) { 2934 /* XXX check for key state? */ 2935 vap->iv_flags |= IEEE80211_F_PRIVACY; 2936 } else 2937 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2938 /* XXX ERESTART? */ 2939 break; 2940 case IEEE80211_IOC_DROPUNENCRYPTED: 2941 if (ireq->i_val) 2942 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2943 else 2944 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2945 /* XXX ERESTART? */ 2946 break; 2947 case IEEE80211_IOC_WPAKEY: 2948 error = ieee80211_ioctl_setkey(vap, ireq); 2949 break; 2950 case IEEE80211_IOC_DELKEY: 2951 error = ieee80211_ioctl_delkey(vap, ireq); 2952 break; 2953 case IEEE80211_IOC_MLME: 2954 error = ieee80211_ioctl_setmlme(vap, ireq); 2955 break; 2956 case IEEE80211_IOC_COUNTERMEASURES: 2957 if (ireq->i_val) { 2958 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2959 return EOPNOTSUPP; 2960 vap->iv_flags |= IEEE80211_F_COUNTERM; 2961 } else 2962 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2963 /* XXX ERESTART? */ 2964 break; 2965 case IEEE80211_IOC_WPA: 2966 if (ireq->i_val > 3) 2967 return EINVAL; 2968 /* XXX verify ciphers available */ 2969 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2970 switch (ireq->i_val) { 2971 case 0: 2972 /* wpa_supplicant calls this to clear the WPA config */ 2973 break; 2974 case 1: 2975 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2976 return EOPNOTSUPP; 2977 flags |= IEEE80211_F_WPA1; 2978 break; 2979 case 2: 2980 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2981 return EOPNOTSUPP; 2982 flags |= IEEE80211_F_WPA2; 2983 break; 2984 case 3: 2985 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2986 return EOPNOTSUPP; 2987 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2988 break; 2989 default: /* Can't set any -> error */ 2990 return EOPNOTSUPP; 2991 } 2992 vap->iv_flags = flags; 2993 error = ERESTART; /* NB: can change beacon frame */ 2994 break; 2995 case IEEE80211_IOC_WME: 2996 if (ireq->i_val) { 2997 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2998 return EOPNOTSUPP; 2999 ieee80211_syncflag(vap, IEEE80211_F_WME); 3000 } else 3001 ieee80211_syncflag(vap, -IEEE80211_F_WME); 3002 error = ERESTART; /* NB: can change beacon frame */ 3003 break; 3004 case IEEE80211_IOC_HIDESSID: 3005 if (ireq->i_val) 3006 vap->iv_flags |= IEEE80211_F_HIDESSID; 3007 else 3008 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 3009 error = ERESTART; /* XXX ENETRESET? */ 3010 break; 3011 case IEEE80211_IOC_APBRIDGE: 3012 if (ireq->i_val == 0) 3013 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 3014 else 3015 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 3016 break; 3017 case IEEE80211_IOC_BSSID: 3018 if (ireq->i_len != sizeof(tmpbssid)) 3019 return EINVAL; 3020 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 3021 if (error) 3022 break; 3023 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 3024 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 3025 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 3026 else 3027 vap->iv_flags |= IEEE80211_F_DESBSSID; 3028 error = ENETRESET; 3029 break; 3030 case IEEE80211_IOC_CHANLIST: 3031 error = ieee80211_ioctl_setchanlist(vap, ireq); 3032 break; 3033 #define OLD_IEEE80211_IOC_SCAN_REQ 23 3034 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 3035 case OLD_IEEE80211_IOC_SCAN_REQ: 3036 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3037 "%s: active scan request\n", __func__); 3038 /* 3039 * If we are in INIT state then the driver has never 3040 * had a chance to setup hardware state to do a scan; 3041 * use the state machine to get us up the SCAN state. 3042 * Otherwise just invoke the scan machinery to start 3043 * a one-time scan. 3044 */ 3045 if (vap->iv_state == IEEE80211_S_INIT) 3046 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 3047 else 3048 (void) ieee80211_start_scan(vap, 3049 IEEE80211_SCAN_ACTIVE | 3050 IEEE80211_SCAN_NOPICK | 3051 IEEE80211_SCAN_ONCE, 3052 IEEE80211_SCAN_FOREVER, 0, 0, 3053 /* XXX use ioctl params */ 3054 vap->iv_des_nssid, vap->iv_des_ssid); 3055 break; 3056 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 3057 case IEEE80211_IOC_SCAN_REQ: 3058 error = ieee80211_ioctl_scanreq(vap, ireq); 3059 break; 3060 case IEEE80211_IOC_SCAN_CANCEL: 3061 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3062 "%s: cancel scan\n", __func__); 3063 ieee80211_cancel_scan(vap); 3064 break; 3065 case IEEE80211_IOC_HTCONF: 3066 if (ireq->i_val & 1) 3067 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 3068 else 3069 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 3070 if (ireq->i_val & 2) 3071 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 3072 else 3073 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 3074 error = ENETRESET; 3075 break; 3076 case IEEE80211_IOC_ADDMAC: 3077 case IEEE80211_IOC_DELMAC: 3078 error = ieee80211_ioctl_macmac(vap, ireq); 3079 break; 3080 case IEEE80211_IOC_MACCMD: 3081 error = ieee80211_ioctl_setmaccmd(vap, ireq); 3082 break; 3083 case IEEE80211_IOC_STA_STATS: 3084 error = ieee80211_ioctl_setstastats(vap, ireq); 3085 break; 3086 case IEEE80211_IOC_STA_TXPOW: 3087 error = ieee80211_ioctl_setstatxpow(vap, ireq); 3088 break; 3089 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 3090 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 3091 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 3092 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 3093 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 3094 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 3095 error = ieee80211_ioctl_setwmeparam(vap, ireq); 3096 break; 3097 case IEEE80211_IOC_DTIM_PERIOD: 3098 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3099 vap->iv_opmode != IEEE80211_M_MBSS && 3100 vap->iv_opmode != IEEE80211_M_IBSS) 3101 return EINVAL; 3102 if (IEEE80211_DTIM_MIN <= ireq->i_val && 3103 ireq->i_val <= IEEE80211_DTIM_MAX) { 3104 vap->iv_dtim_period = ireq->i_val; 3105 error = ENETRESET; /* requires restart */ 3106 } else 3107 error = EINVAL; 3108 break; 3109 case IEEE80211_IOC_BEACON_INTERVAL: 3110 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3111 vap->iv_opmode != IEEE80211_M_MBSS && 3112 vap->iv_opmode != IEEE80211_M_IBSS) 3113 return EINVAL; 3114 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 3115 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 3116 ic->ic_bintval = ireq->i_val; 3117 error = ENETRESET; /* requires restart */ 3118 } else 3119 error = EINVAL; 3120 break; 3121 case IEEE80211_IOC_PUREG: 3122 if (ireq->i_val) 3123 vap->iv_flags |= IEEE80211_F_PUREG; 3124 else 3125 vap->iv_flags &= ~IEEE80211_F_PUREG; 3126 /* NB: reset only if we're operating on an 11g channel */ 3127 if (isvap11g(vap)) 3128 error = ENETRESET; 3129 break; 3130 case IEEE80211_IOC_QUIET: 3131 vap->iv_quiet= ireq->i_val; 3132 break; 3133 case IEEE80211_IOC_QUIET_COUNT: 3134 vap->iv_quiet_count=ireq->i_val; 3135 break; 3136 case IEEE80211_IOC_QUIET_PERIOD: 3137 vap->iv_quiet_period=ireq->i_val; 3138 break; 3139 case IEEE80211_IOC_QUIET_OFFSET: 3140 vap->iv_quiet_offset=ireq->i_val; 3141 break; 3142 case IEEE80211_IOC_QUIET_DUR: 3143 if(ireq->i_val < vap->iv_bss->ni_intval) 3144 vap->iv_quiet_duration = ireq->i_val; 3145 else 3146 error = EINVAL; 3147 break; 3148 case IEEE80211_IOC_BGSCAN: 3149 if (ireq->i_val) { 3150 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3151 return EOPNOTSUPP; 3152 vap->iv_flags |= IEEE80211_F_BGSCAN; 3153 } else 3154 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3155 break; 3156 case IEEE80211_IOC_BGSCAN_IDLE: 3157 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3158 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3159 else 3160 error = EINVAL; 3161 break; 3162 case IEEE80211_IOC_BGSCAN_INTERVAL: 3163 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3164 vap->iv_bgscanintvl = ireq->i_val*hz; 3165 else 3166 error = EINVAL; 3167 break; 3168 case IEEE80211_IOC_SCANVALID: 3169 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3170 vap->iv_scanvalid = ireq->i_val*hz; 3171 else 3172 error = EINVAL; 3173 break; 3174 case IEEE80211_IOC_FRAGTHRESHOLD: 3175 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3176 ireq->i_val != IEEE80211_FRAG_MAX) 3177 return EOPNOTSUPP; 3178 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3179 ireq->i_val <= IEEE80211_FRAG_MAX)) 3180 return EINVAL; 3181 vap->iv_fragthreshold = ireq->i_val; 3182 error = ERESTART; 3183 break; 3184 case IEEE80211_IOC_BURST: 3185 if (ireq->i_val) { 3186 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3187 return EOPNOTSUPP; 3188 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3189 } else 3190 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3191 error = ERESTART; 3192 break; 3193 case IEEE80211_IOC_BMISSTHRESHOLD: 3194 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3195 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3196 return EINVAL; 3197 vap->iv_bmissthreshold = ireq->i_val; 3198 error = ERESTART; 3199 break; 3200 case IEEE80211_IOC_CURCHAN: 3201 error = ieee80211_ioctl_setcurchan(vap, ireq); 3202 break; 3203 case IEEE80211_IOC_SHORTGI: 3204 if (ireq->i_val) { 3205 #define IEEE80211_HTCAP_SHORTGI \ 3206 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3207 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3208 return EINVAL; 3209 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3210 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3211 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3212 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3213 #undef IEEE80211_HTCAP_SHORTGI 3214 } else 3215 vap->iv_flags_ht &= 3216 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3217 error = ERESTART; 3218 break; 3219 case IEEE80211_IOC_AMPDU: 3220 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3221 return EINVAL; 3222 if (ireq->i_val & 1) 3223 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3224 else 3225 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3226 if (ireq->i_val & 2) 3227 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3228 else 3229 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3230 /* NB: reset only if we're operating on an 11n channel */ 3231 if (isvapht(vap)) 3232 error = ERESTART; 3233 break; 3234 case IEEE80211_IOC_AMPDU_LIMIT: 3235 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */ 3236 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3237 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3238 return EINVAL; 3239 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3240 vap->iv_ampdu_rxmax = ireq->i_val; 3241 else 3242 vap->iv_ampdu_limit = ireq->i_val; 3243 error = ERESTART; 3244 break; 3245 case IEEE80211_IOC_AMPDU_DENSITY: 3246 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3247 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3248 return EINVAL; 3249 vap->iv_ampdu_density = ireq->i_val; 3250 error = ERESTART; 3251 break; 3252 case IEEE80211_IOC_AMSDU: 3253 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3254 return EINVAL; 3255 if (ireq->i_val & 1) 3256 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3257 else 3258 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3259 if (ireq->i_val & 2) 3260 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3261 else 3262 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3263 /* NB: reset only if we're operating on an 11n channel */ 3264 if (isvapht(vap)) 3265 error = ERESTART; 3266 break; 3267 case IEEE80211_IOC_AMSDU_LIMIT: 3268 /* XXX validate */ 3269 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3270 break; 3271 case IEEE80211_IOC_PUREN: 3272 if (ireq->i_val) { 3273 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3274 return EINVAL; 3275 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3276 } else 3277 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3278 /* NB: reset only if we're operating on an 11n channel */ 3279 if (isvapht(vap)) 3280 error = ERESTART; 3281 break; 3282 case IEEE80211_IOC_DOTH: 3283 if (ireq->i_val) { 3284 #if 0 3285 /* XXX no capability */ 3286 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3287 return EOPNOTSUPP; 3288 #endif 3289 vap->iv_flags |= IEEE80211_F_DOTH; 3290 } else 3291 vap->iv_flags &= ~IEEE80211_F_DOTH; 3292 error = ENETRESET; 3293 break; 3294 case IEEE80211_IOC_REGDOMAIN: 3295 error = ieee80211_ioctl_setregdomain(vap, ireq); 3296 break; 3297 case IEEE80211_IOC_ROAM: 3298 error = ieee80211_ioctl_setroam(vap, ireq); 3299 break; 3300 case IEEE80211_IOC_TXPARAMS: 3301 error = ieee80211_ioctl_settxparams(vap, ireq); 3302 break; 3303 case IEEE80211_IOC_HTCOMPAT: 3304 if (ireq->i_val) { 3305 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3306 return EOPNOTSUPP; 3307 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3308 } else 3309 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3310 /* NB: reset only if we're operating on an 11n channel */ 3311 if (isvapht(vap)) 3312 error = ERESTART; 3313 break; 3314 case IEEE80211_IOC_DWDS: 3315 if (ireq->i_val) { 3316 /* NB: DWDS only makes sense for WDS-capable devices */ 3317 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3318 return EOPNOTSUPP; 3319 /* NB: DWDS is used only with ap+sta vaps */ 3320 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3321 vap->iv_opmode != IEEE80211_M_STA) 3322 return EINVAL; 3323 vap->iv_flags |= IEEE80211_F_DWDS; 3324 if (vap->iv_opmode == IEEE80211_M_STA) 3325 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3326 } else { 3327 vap->iv_flags &= ~IEEE80211_F_DWDS; 3328 if (vap->iv_opmode == IEEE80211_M_STA) 3329 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3330 } 3331 break; 3332 case IEEE80211_IOC_INACTIVITY: 3333 if (ireq->i_val) 3334 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3335 else 3336 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3337 break; 3338 case IEEE80211_IOC_APPIE: 3339 error = ieee80211_ioctl_setappie(vap, ireq); 3340 break; 3341 case IEEE80211_IOC_WPS: 3342 if (ireq->i_val) { 3343 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3344 return EOPNOTSUPP; 3345 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3346 } else 3347 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3348 break; 3349 case IEEE80211_IOC_TSN: 3350 if (ireq->i_val) { 3351 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3352 return EOPNOTSUPP; 3353 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3354 } else 3355 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3356 break; 3357 case IEEE80211_IOC_CHANSWITCH: 3358 error = ieee80211_ioctl_chanswitch(vap, ireq); 3359 break; 3360 case IEEE80211_IOC_DFS: 3361 if (ireq->i_val) { 3362 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3363 return EOPNOTSUPP; 3364 /* NB: DFS requires 11h support */ 3365 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3366 return EINVAL; 3367 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3368 } else 3369 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3370 break; 3371 case IEEE80211_IOC_DOTD: 3372 if (ireq->i_val) 3373 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3374 else 3375 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3376 if (vap->iv_opmode == IEEE80211_M_STA) 3377 error = ENETRESET; 3378 break; 3379 case IEEE80211_IOC_HTPROTMODE: 3380 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3381 return EINVAL; 3382 vap->iv_htprotmode = ireq->i_val ? 3383 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3384 /* NB: if not operating in 11n this can wait */ 3385 if (isvapht(vap)) 3386 error = ERESTART; 3387 /* Notify driver layer of HT protmode changes */ 3388 ieee80211_vap_update_ht_protmode(vap); 3389 break; 3390 case IEEE80211_IOC_STA_VLAN: 3391 error = ieee80211_ioctl_setstavlan(vap, ireq); 3392 break; 3393 case IEEE80211_IOC_SMPS: 3394 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3395 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3396 return EINVAL; 3397 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3398 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3399 return EOPNOTSUPP; 3400 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3401 ireq->i_val; 3402 /* NB: if not operating in 11n this can wait */ 3403 if (isvapht(vap)) 3404 error = ERESTART; 3405 break; 3406 case IEEE80211_IOC_RIFS: 3407 if (ireq->i_val != 0) { 3408 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3409 return EOPNOTSUPP; 3410 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3411 } else 3412 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3413 /* NB: if not operating in 11n this can wait */ 3414 if (isvapht(vap)) 3415 error = ERESTART; 3416 break; 3417 case IEEE80211_IOC_STBC: 3418 /* Check if we can do STBC TX/RX before changing the setting */ 3419 if ((ireq->i_val & 1) && 3420 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0)) 3421 return EOPNOTSUPP; 3422 if ((ireq->i_val & 2) && 3423 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0)) 3424 return EOPNOTSUPP; 3425 3426 /* TX */ 3427 if (ireq->i_val & 1) 3428 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX; 3429 else 3430 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX; 3431 3432 /* RX */ 3433 if (ireq->i_val & 2) 3434 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX; 3435 else 3436 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX; 3437 3438 /* NB: reset only if we're operating on an 11n channel */ 3439 if (isvapht(vap)) 3440 error = ERESTART; 3441 break; 3442 case IEEE80211_IOC_LDPC: 3443 /* Check if we can do LDPC TX/RX before changing the setting */ 3444 if ((ireq->i_val & 1) && 3445 (vap->iv_htcaps & IEEE80211_HTC_TXLDPC) == 0) 3446 return EOPNOTSUPP; 3447 if ((ireq->i_val & 2) && 3448 (vap->iv_htcaps & IEEE80211_HTCAP_LDPC) == 0) 3449 return EOPNOTSUPP; 3450 3451 /* TX */ 3452 if (ireq->i_val & 1) 3453 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX; 3454 else 3455 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_TX; 3456 3457 /* RX */ 3458 if (ireq->i_val & 2) 3459 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX; 3460 else 3461 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_RX; 3462 3463 /* NB: reset only if we're operating on an 11n channel */ 3464 if (isvapht(vap)) 3465 error = ERESTART; 3466 break; 3467 case IEEE80211_IOC_UAPSD: 3468 if ((vap->iv_caps & IEEE80211_C_UAPSD) == 0) 3469 return EOPNOTSUPP; 3470 if (ireq->i_val == 0) 3471 vap->iv_flags_ext &= ~IEEE80211_FEXT_UAPSD; 3472 else if (ireq->i_val == 1) 3473 vap->iv_flags_ext |= IEEE80211_FEXT_UAPSD; 3474 else 3475 return EINVAL; 3476 break; 3477 3478 /* VHT */ 3479 case IEEE80211_IOC_VHTCONF: 3480 if (ireq->i_val & IEEE80211_FVHT_VHT) 3481 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_VHT); 3482 else 3483 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_VHT); 3484 3485 if (ireq->i_val & IEEE80211_FVHT_USEVHT40) 3486 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT40); 3487 else 3488 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT40); 3489 3490 if (ireq->i_val & IEEE80211_FVHT_USEVHT80) 3491 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80); 3492 else 3493 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80); 3494 3495 if (ireq->i_val & IEEE80211_FVHT_USEVHT160) 3496 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT160); 3497 else 3498 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT160); 3499 3500 if (ireq->i_val & IEEE80211_FVHT_USEVHT80P80) 3501 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80P80); 3502 else 3503 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80P80); 3504 3505 error = ENETRESET; 3506 break; 3507 3508 default: 3509 error = ieee80211_ioctl_setdefault(vap, ireq); 3510 break; 3511 } 3512 /* 3513 * The convention is that ENETRESET means an operation 3514 * requires a complete re-initialization of the device (e.g. 3515 * changing something that affects the association state). 3516 * ERESTART means the request may be handled with only a 3517 * reload of the hardware state. We hand ERESTART requests 3518 * to the iv_reset callback so the driver can decide. If 3519 * a device does not fillin iv_reset then it defaults to one 3520 * that returns ENETRESET. Otherwise a driver may return 3521 * ENETRESET (in which case a full reset will be done) or 3522 * 0 to mean there's no need to do anything (e.g. when the 3523 * change has no effect on the driver/device). 3524 */ 3525 if (error == ERESTART) 3526 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3527 vap->iv_reset(vap, ireq->i_type) : 0; 3528 if (error == ENETRESET) { 3529 /* XXX need to re-think AUTO handling */ 3530 if (IS_UP_AUTO(vap)) 3531 ieee80211_init(vap); 3532 error = 0; 3533 } 3534 return error; 3535 } 3536 3537 int 3538 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3539 { 3540 struct ieee80211vap *vap = ifp->if_softc; 3541 struct ieee80211com *ic = vap->iv_ic; 3542 int error = 0, wait = 0, ic_used; 3543 struct ifreq *ifr; 3544 struct ifaddr *ifa; /* XXX */ 3545 3546 ic_used = (cmd != SIOCSIFMTU && cmd != SIOCG80211STATS); 3547 if (ic_used && (error = ieee80211_com_vincref(vap)) != 0) 3548 return (error); 3549 3550 switch (cmd) { 3551 case SIOCSIFFLAGS: 3552 IEEE80211_LOCK(ic); 3553 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) { 3554 /* 3555 * Enable promiscuous mode when: 3556 * 1. Interface is not a member of bridge, or 3557 * 2. Requested by user, or 3558 * 3. In monitor (or adhoc-demo) mode. 3559 */ 3560 if (ifp->if_bridge == NULL || 3561 (ifp->if_flags & IFF_PPROMISC) != 0 || 3562 vap->iv_opmode == IEEE80211_M_MONITOR || 3563 (vap->iv_opmode == IEEE80211_M_AHDEMO && 3564 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) { 3565 ieee80211_promisc(vap, 3566 ifp->if_flags & IFF_PROMISC); 3567 vap->iv_ifflags ^= IFF_PROMISC; 3568 } 3569 } 3570 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) { 3571 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3572 vap->iv_ifflags ^= IFF_ALLMULTI; 3573 } 3574 if (ifp->if_flags & IFF_UP) { 3575 /* 3576 * Bring ourself up unless we're already operational. 3577 * If we're the first vap and the parent is not up 3578 * then it will automatically be brought up as a 3579 * side-effect of bringing ourself up. 3580 */ 3581 if (vap->iv_state == IEEE80211_S_INIT) { 3582 if (ic->ic_nrunning == 0) 3583 wait = 1; 3584 ieee80211_start_locked(vap); 3585 } 3586 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3587 /* 3588 * Stop ourself. If we are the last vap to be 3589 * marked down the parent will also be taken down. 3590 */ 3591 if (ic->ic_nrunning == 1) 3592 wait = 1; 3593 ieee80211_stop_locked(vap); 3594 } 3595 IEEE80211_UNLOCK(ic); 3596 /* Wait for parent ioctl handler if it was queued */ 3597 if (wait) { 3598 struct epoch_tracker et; 3599 3600 ieee80211_waitfor_parent(ic); 3601 3602 /* 3603 * Check if the MAC address was changed 3604 * via SIOCSIFLLADDR ioctl. 3605 * 3606 * NB: device may be detached during initialization; 3607 * use if_ioctl for existence check. 3608 */ 3609 NET_EPOCH_ENTER(et); 3610 if (ifp->if_ioctl == ieee80211_ioctl && 3611 (ifp->if_flags & IFF_UP) == 0 && 3612 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp))) 3613 IEEE80211_ADDR_COPY(vap->iv_myaddr, 3614 IF_LLADDR(ifp)); 3615 NET_EPOCH_EXIT(et); 3616 } 3617 break; 3618 case SIOCADDMULTI: 3619 case SIOCDELMULTI: 3620 ieee80211_runtask(ic, &ic->ic_mcast_task); 3621 break; 3622 case SIOCSIFMEDIA: 3623 case SIOCGIFMEDIA: 3624 ifr = (struct ifreq *)data; 3625 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3626 break; 3627 case SIOCG80211: 3628 error = ieee80211_ioctl_get80211(vap, cmd, 3629 (struct ieee80211req *) data); 3630 break; 3631 case SIOCS80211: 3632 error = ieee80211_priv_check_vap_manage(cmd, vap, ifp); 3633 if (error == 0) 3634 error = ieee80211_ioctl_set80211(vap, cmd, 3635 (struct ieee80211req *) data); 3636 break; 3637 case SIOCG80211STATS: 3638 ifr = (struct ifreq *)data; 3639 copyout(&vap->iv_stats, ifr_data_get_ptr(ifr), 3640 sizeof (vap->iv_stats)); 3641 break; 3642 case SIOCSIFMTU: 3643 ifr = (struct ifreq *)data; 3644 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3645 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3646 error = EINVAL; 3647 else 3648 ifp->if_mtu = ifr->ifr_mtu; 3649 break; 3650 case SIOCSIFADDR: 3651 /* 3652 * XXX Handle this directly so we can suppress if_init calls. 3653 * XXX This should be done in ether_ioctl but for the moment 3654 * XXX there are too many other parts of the system that 3655 * XXX set IFF_UP and so suppress if_init being called when 3656 * XXX it should be. 3657 */ 3658 ifa = (struct ifaddr *) data; 3659 switch (ifa->ifa_addr->sa_family) { 3660 #ifdef INET 3661 case AF_INET: 3662 if ((ifp->if_flags & IFF_UP) == 0) { 3663 ifp->if_flags |= IFF_UP; 3664 ifp->if_init(ifp->if_softc); 3665 } 3666 arp_ifinit(ifp, ifa); 3667 break; 3668 #endif 3669 default: 3670 if ((ifp->if_flags & IFF_UP) == 0) { 3671 ifp->if_flags |= IFF_UP; 3672 ifp->if_init(ifp->if_softc); 3673 } 3674 break; 3675 } 3676 break; 3677 case SIOCSIFLLADDR: 3678 error = ieee80211_priv_check_vap_setmac(cmd, vap, ifp); 3679 if (error == 0) 3680 break; 3681 /* Fallthrough */ 3682 default: 3683 /* 3684 * Pass unknown ioctls first to the driver, and if it 3685 * returns ENOTTY, then to the generic Ethernet handler. 3686 */ 3687 if (ic->ic_ioctl != NULL && 3688 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3689 break; 3690 error = ether_ioctl(ifp, cmd, data); 3691 break; 3692 } 3693 3694 if (ic_used) 3695 ieee80211_com_vdecref(vap); 3696 3697 return (error); 3698 } 3699