Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/net80211/ieee80211_ioctl.c
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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: releng/12.0/sys/net80211/ieee80211_ioctl.c 331797 2018-03-30 18:50:13Z brooks $"); 31 32 /* 33 * IEEE 802.11 ioctl support (FreeBSD-specific) 34 */ 35 36 #include "opt_inet.h" 37 #include "opt_wlan.h" 38 39 #include <sys/endian.h> 40 #include <sys/param.h> 41 #include <sys/kernel.h> 42 #include <sys/malloc.h> 43 #include <sys/priv.h> 44 #include <sys/socket.h> 45 #include <sys/sockio.h> 46 #include <sys/systm.h> 47 48 #include <net/if.h> 49 #include <net/if_var.h> 50 #include <net/if_dl.h> 51 #include <net/if_media.h> 52 #include <net/ethernet.h> 53 54 #ifdef INET 55 #include <netinet/in.h> 56 #include <netinet/if_ether.h> 57 #endif 58 59 #include <net80211/ieee80211_var.h> 60 #include <net80211/ieee80211_ioctl.h> 61 #include <net80211/ieee80211_regdomain.h> 62 #include <net80211/ieee80211_input.h> 63 64 #define IS_UP_AUTO(_vap) \ 65 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 66 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 67 68 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 69 static struct ieee80211_channel *findchannel(struct ieee80211com *, 70 int ieee, int mode); 71 static int ieee80211_scanreq(struct ieee80211vap *, 72 struct ieee80211_scan_req *); 73 74 static int 75 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 76 { 77 struct ieee80211com *ic = vap->iv_ic; 78 struct ieee80211_node *ni; 79 struct ieee80211req_key ik; 80 struct ieee80211_key *wk; 81 const struct ieee80211_cipher *cip; 82 u_int kid; 83 int error; 84 85 if (ireq->i_len != sizeof(ik)) 86 return EINVAL; 87 error = copyin(ireq->i_data, &ik, sizeof(ik)); 88 if (error) 89 return error; 90 kid = ik.ik_keyix; 91 if (kid == IEEE80211_KEYIX_NONE) { 92 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 93 if (ni == NULL) 94 return ENOENT; 95 wk = &ni->ni_ucastkey; 96 } else { 97 if (kid >= IEEE80211_WEP_NKID) 98 return EINVAL; 99 wk = &vap->iv_nw_keys[kid]; 100 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 101 ni = NULL; 102 } 103 cip = wk->wk_cipher; 104 ik.ik_type = cip->ic_cipher; 105 ik.ik_keylen = wk->wk_keylen; 106 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 107 if (wk->wk_keyix == vap->iv_def_txkey) 108 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 109 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 110 /* NB: only root can read key data */ 111 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 112 ik.ik_keytsc = wk->wk_keytsc; 113 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 114 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 115 memcpy(ik.ik_keydata+wk->wk_keylen, 116 wk->wk_key + IEEE80211_KEYBUF_SIZE, 117 IEEE80211_MICBUF_SIZE); 118 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 119 } 120 } else { 121 ik.ik_keyrsc = 0; 122 ik.ik_keytsc = 0; 123 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 124 } 125 if (ni != NULL) 126 ieee80211_free_node(ni); 127 return copyout(&ik, ireq->i_data, sizeof(ik)); 128 } 129 130 static int 131 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 132 { 133 struct ieee80211com *ic = vap->iv_ic; 134 135 if (sizeof(ic->ic_chan_active) < ireq->i_len) 136 ireq->i_len = sizeof(ic->ic_chan_active); 137 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 138 } 139 140 static int 141 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 142 { 143 struct ieee80211com *ic = vap->iv_ic; 144 uint32_t space; 145 146 space = __offsetof(struct ieee80211req_chaninfo, 147 ic_chans[ic->ic_nchans]); 148 if (space > ireq->i_len) 149 space = ireq->i_len; 150 /* XXX assumes compatible layout */ 151 return copyout(&ic->ic_nchans, ireq->i_data, space); 152 } 153 154 static int 155 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 156 struct ieee80211req *ireq, int req) 157 { 158 struct ieee80211_node *ni; 159 struct ieee80211req_wpaie2 *wpaie; 160 int error; 161 162 if (ireq->i_len < IEEE80211_ADDR_LEN) 163 return EINVAL; 164 wpaie = IEEE80211_MALLOC(sizeof(*wpaie), M_TEMP, 165 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 166 if (wpaie == NULL) 167 return ENOMEM; 168 error = copyin(ireq->i_data, wpaie->wpa_macaddr, IEEE80211_ADDR_LEN); 169 if (error != 0) 170 goto bad; 171 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie->wpa_macaddr); 172 if (ni == NULL) { 173 error = ENOENT; 174 goto bad; 175 } 176 if (ni->ni_ies.wpa_ie != NULL) { 177 int ielen = ni->ni_ies.wpa_ie[1] + 2; 178 if (ielen > sizeof(wpaie->wpa_ie)) 179 ielen = sizeof(wpaie->wpa_ie); 180 memcpy(wpaie->wpa_ie, ni->ni_ies.wpa_ie, ielen); 181 } 182 if (req == IEEE80211_IOC_WPAIE2) { 183 if (ni->ni_ies.rsn_ie != NULL) { 184 int ielen = ni->ni_ies.rsn_ie[1] + 2; 185 if (ielen > sizeof(wpaie->rsn_ie)) 186 ielen = sizeof(wpaie->rsn_ie); 187 memcpy(wpaie->rsn_ie, ni->ni_ies.rsn_ie, ielen); 188 } 189 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 190 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 191 } else { 192 /* compatibility op, may overwrite wpa ie */ 193 /* XXX check ic_flags? */ 194 if (ni->ni_ies.rsn_ie != NULL) { 195 int ielen = ni->ni_ies.rsn_ie[1] + 2; 196 if (ielen > sizeof(wpaie->wpa_ie)) 197 ielen = sizeof(wpaie->wpa_ie); 198 memcpy(wpaie->wpa_ie, ni->ni_ies.rsn_ie, ielen); 199 } 200 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 201 ireq->i_len = sizeof(struct ieee80211req_wpaie); 202 } 203 ieee80211_free_node(ni); 204 error = copyout(wpaie, ireq->i_data, ireq->i_len); 205 bad: 206 IEEE80211_FREE(wpaie, M_TEMP); 207 return error; 208 } 209 210 static int 211 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 212 { 213 struct ieee80211_node *ni; 214 uint8_t macaddr[IEEE80211_ADDR_LEN]; 215 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats); 216 int error; 217 218 if (ireq->i_len < off) 219 return EINVAL; 220 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 221 if (error != 0) 222 return error; 223 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 224 if (ni == NULL) 225 return ENOENT; 226 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 227 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 228 /* NB: copy out only the statistics */ 229 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 230 ireq->i_len - off); 231 ieee80211_free_node(ni); 232 return error; 233 } 234 235 struct scanreq { 236 struct ieee80211req_scan_result *sr; 237 size_t space; 238 }; 239 240 static size_t 241 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 242 { 243 size_t len; 244 245 *ielen = se->se_ies.len; 246 /* 247 * NB: ie's can be no more than 255 bytes and the max 802.11 248 * packet is <3Kbytes so we are sure this doesn't overflow 249 * 16-bits; if this is a concern we can drop the ie's. 250 */ 251 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 252 se->se_meshid[1] + *ielen; 253 return roundup(len, sizeof(uint32_t)); 254 } 255 256 static void 257 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 258 { 259 struct scanreq *req = arg; 260 int ielen; 261 262 req->space += scan_space(se, &ielen); 263 } 264 265 static void 266 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 267 { 268 struct scanreq *req = arg; 269 struct ieee80211req_scan_result *sr; 270 int ielen, len, nr, nxr; 271 uint8_t *cp; 272 273 len = scan_space(se, &ielen); 274 if (len > req->space) 275 return; 276 277 sr = req->sr; 278 KASSERT(len <= 65535 && ielen <= 65535, 279 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 280 sr->isr_len = len; 281 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 282 sr->isr_ie_len = ielen; 283 sr->isr_freq = se->se_chan->ic_freq; 284 sr->isr_flags = se->se_chan->ic_flags; 285 sr->isr_rssi = se->se_rssi; 286 sr->isr_noise = se->se_noise; 287 sr->isr_intval = se->se_intval; 288 sr->isr_capinfo = se->se_capinfo; 289 sr->isr_erp = se->se_erp; 290 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 291 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 292 memcpy(sr->isr_rates, se->se_rates+2, nr); 293 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 294 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 295 sr->isr_nrates = nr + nxr; 296 297 /* copy SSID */ 298 sr->isr_ssid_len = se->se_ssid[1]; 299 cp = ((uint8_t *)sr) + sr->isr_ie_off; 300 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 301 302 /* copy mesh id */ 303 cp += sr->isr_ssid_len; 304 sr->isr_meshid_len = se->se_meshid[1]; 305 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 306 cp += sr->isr_meshid_len; 307 308 if (ielen) 309 memcpy(cp, se->se_ies.data, ielen); 310 311 req->space -= len; 312 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 313 } 314 315 static int 316 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 317 struct ieee80211req *ireq) 318 { 319 struct scanreq req; 320 int error; 321 322 if (ireq->i_len < sizeof(struct scanreq)) 323 return EFAULT; 324 325 error = 0; 326 req.space = 0; 327 ieee80211_scan_iterate(vap, get_scan_space, &req); 328 if (req.space > ireq->i_len) 329 req.space = ireq->i_len; 330 if (req.space > 0) { 331 uint32_t space; 332 void *p; 333 334 space = req.space; 335 /* XXX M_WAITOK after driver lock released */ 336 p = IEEE80211_MALLOC(space, M_TEMP, 337 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 338 if (p == NULL) 339 return ENOMEM; 340 req.sr = p; 341 ieee80211_scan_iterate(vap, get_scan_result, &req); 342 ireq->i_len = space - req.space; 343 error = copyout(p, ireq->i_data, ireq->i_len); 344 IEEE80211_FREE(p, M_TEMP); 345 } else 346 ireq->i_len = 0; 347 348 return error; 349 } 350 351 struct stainforeq { 352 struct ieee80211req_sta_info *si; 353 size_t space; 354 }; 355 356 static size_t 357 sta_space(const struct ieee80211_node *ni, size_t *ielen) 358 { 359 *ielen = ni->ni_ies.len; 360 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 361 sizeof(uint32_t)); 362 } 363 364 static void 365 get_sta_space(void *arg, struct ieee80211_node *ni) 366 { 367 struct stainforeq *req = arg; 368 size_t ielen; 369 370 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 371 ni->ni_associd == 0) /* only associated stations */ 372 return; 373 req->space += sta_space(ni, &ielen); 374 } 375 376 static void 377 get_sta_info(void *arg, struct ieee80211_node *ni) 378 { 379 struct stainforeq *req = arg; 380 struct ieee80211vap *vap = ni->ni_vap; 381 struct ieee80211req_sta_info *si; 382 size_t ielen, len; 383 uint8_t *cp; 384 385 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 386 ni->ni_associd == 0) /* only associated stations */ 387 return; 388 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 389 return; 390 len = sta_space(ni, &ielen); 391 if (len > req->space) 392 return; 393 si = req->si; 394 si->isi_len = len; 395 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 396 si->isi_ie_len = ielen; 397 si->isi_freq = ni->ni_chan->ic_freq; 398 si->isi_flags = ni->ni_chan->ic_flags; 399 si->isi_state = ni->ni_flags; 400 si->isi_authmode = ni->ni_authmode; 401 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 402 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 403 si->isi_capinfo = ni->ni_capinfo; 404 si->isi_erp = ni->ni_erp; 405 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 406 si->isi_nrates = ni->ni_rates.rs_nrates; 407 if (si->isi_nrates > 15) 408 si->isi_nrates = 15; 409 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 410 si->isi_txrate = ni->ni_txrate; 411 if (si->isi_txrate & IEEE80211_RATE_MCS) { 412 const struct ieee80211_mcs_rates *mcs = 413 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 414 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 415 if (ni->ni_flags & IEEE80211_NODE_SGI40) 416 si->isi_txmbps = mcs->ht40_rate_800ns; 417 else 418 si->isi_txmbps = mcs->ht40_rate_400ns; 419 } else { 420 if (ni->ni_flags & IEEE80211_NODE_SGI20) 421 si->isi_txmbps = mcs->ht20_rate_800ns; 422 else 423 si->isi_txmbps = mcs->ht20_rate_400ns; 424 } 425 } else 426 si->isi_txmbps = si->isi_txrate; 427 si->isi_associd = ni->ni_associd; 428 si->isi_txpower = ni->ni_txpower; 429 si->isi_vlan = ni->ni_vlan; 430 if (ni->ni_flags & IEEE80211_NODE_QOS) { 431 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 432 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 433 } else { 434 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 435 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 436 } 437 /* NB: leave all cases in case we relax ni_associd == 0 check */ 438 if (ieee80211_node_is_authorized(ni)) 439 si->isi_inact = vap->iv_inact_run; 440 else if (ni->ni_associd != 0 || 441 (vap->iv_opmode == IEEE80211_M_WDS && 442 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 443 si->isi_inact = vap->iv_inact_auth; 444 else 445 si->isi_inact = vap->iv_inact_init; 446 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 447 si->isi_localid = ni->ni_mllid; 448 si->isi_peerid = ni->ni_mlpid; 449 si->isi_peerstate = ni->ni_mlstate; 450 451 if (ielen) { 452 cp = ((uint8_t *)si) + si->isi_ie_off; 453 memcpy(cp, ni->ni_ies.data, ielen); 454 } 455 456 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 457 req->space -= len; 458 } 459 460 static int 461 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 462 struct ieee80211_node *ni, size_t off) 463 { 464 struct ieee80211com *ic = vap->iv_ic; 465 struct stainforeq req; 466 size_t space; 467 void *p; 468 int error; 469 470 error = 0; 471 req.space = 0; 472 if (ni == NULL) { 473 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, get_sta_space, 474 &req); 475 } else 476 get_sta_space(&req, ni); 477 if (req.space > ireq->i_len) 478 req.space = ireq->i_len; 479 if (req.space > 0) { 480 space = req.space; 481 /* XXX M_WAITOK after driver lock released */ 482 p = IEEE80211_MALLOC(space, M_TEMP, 483 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 484 if (p == NULL) { 485 error = ENOMEM; 486 goto bad; 487 } 488 req.si = p; 489 if (ni == NULL) { 490 ieee80211_iterate_nodes_vap(&ic->ic_sta, vap, 491 get_sta_info, &req); 492 } else 493 get_sta_info(&req, ni); 494 ireq->i_len = space - req.space; 495 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 496 IEEE80211_FREE(p, M_TEMP); 497 } else 498 ireq->i_len = 0; 499 bad: 500 if (ni != NULL) 501 ieee80211_free_node(ni); 502 return error; 503 } 504 505 static int 506 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 507 { 508 uint8_t macaddr[IEEE80211_ADDR_LEN]; 509 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 510 struct ieee80211_node *ni; 511 int error; 512 513 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 514 return EFAULT; 515 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 516 if (error != 0) 517 return error; 518 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 519 ni = NULL; 520 } else { 521 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 522 if (ni == NULL) 523 return ENOENT; 524 } 525 return getstainfo_common(vap, ireq, ni, off); 526 } 527 528 static int 529 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 530 { 531 struct ieee80211_node *ni; 532 struct ieee80211req_sta_txpow txpow; 533 int error; 534 535 if (ireq->i_len != sizeof(txpow)) 536 return EINVAL; 537 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 538 if (error != 0) 539 return error; 540 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 541 if (ni == NULL) 542 return ENOENT; 543 txpow.it_txpow = ni->ni_txpower; 544 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 545 ieee80211_free_node(ni); 546 return error; 547 } 548 549 static int 550 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 551 { 552 struct ieee80211com *ic = vap->iv_ic; 553 struct ieee80211_wme_state *wme = &ic->ic_wme; 554 struct wmeParams *wmep; 555 int ac; 556 557 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 558 return EINVAL; 559 560 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 561 if (ac >= WME_NUM_AC) 562 ac = WME_AC_BE; 563 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 564 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 565 else 566 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 567 switch (ireq->i_type) { 568 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 569 ireq->i_val = wmep->wmep_logcwmin; 570 break; 571 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 572 ireq->i_val = wmep->wmep_logcwmax; 573 break; 574 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 575 ireq->i_val = wmep->wmep_aifsn; 576 break; 577 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 578 ireq->i_val = wmep->wmep_txopLimit; 579 break; 580 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 581 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 582 ireq->i_val = wmep->wmep_acm; 583 break; 584 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 585 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 586 ireq->i_val = !wmep->wmep_noackPolicy; 587 break; 588 } 589 return 0; 590 } 591 592 static int 593 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 594 { 595 const struct ieee80211_aclator *acl = vap->iv_acl; 596 597 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 598 } 599 600 static int 601 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 602 { 603 struct ieee80211com *ic = vap->iv_ic; 604 struct ieee80211_channel *c; 605 606 if (ireq->i_len != sizeof(struct ieee80211_channel)) 607 return EINVAL; 608 /* 609 * vap's may have different operating channels when HT is 610 * in use. When in RUN state report the vap-specific channel. 611 * Otherwise return curchan. 612 */ 613 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 614 c = vap->iv_bss->ni_chan; 615 else 616 c = ic->ic_curchan; 617 return copyout(c, ireq->i_data, sizeof(*c)); 618 } 619 620 static int 621 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 622 { 623 if (aie == NULL) 624 return EINVAL; 625 /* NB: truncate, caller can check length */ 626 if (ireq->i_len > aie->ie_len) 627 ireq->i_len = aie->ie_len; 628 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 629 } 630 631 static int 632 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 633 { 634 uint8_t fc0; 635 636 fc0 = ireq->i_val & 0xff; 637 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 638 return EINVAL; 639 /* NB: could check iv_opmode and reject but hardly worth the effort */ 640 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 641 case IEEE80211_FC0_SUBTYPE_BEACON: 642 return getappie(vap->iv_appie_beacon, ireq); 643 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 644 return getappie(vap->iv_appie_proberesp, ireq); 645 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 646 return getappie(vap->iv_appie_assocresp, ireq); 647 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 648 return getappie(vap->iv_appie_probereq, ireq); 649 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 650 return getappie(vap->iv_appie_assocreq, ireq); 651 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 652 return getappie(vap->iv_appie_wpa, ireq); 653 } 654 return EINVAL; 655 } 656 657 static int 658 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 659 const struct ieee80211req *ireq) 660 { 661 struct ieee80211com *ic = vap->iv_ic; 662 663 if (ireq->i_len != sizeof(ic->ic_regdomain)) 664 return EINVAL; 665 return copyout(&ic->ic_regdomain, ireq->i_data, 666 sizeof(ic->ic_regdomain)); 667 } 668 669 static int 670 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 671 const struct ieee80211req *ireq) 672 { 673 size_t len = ireq->i_len; 674 /* NB: accept short requests for backwards compat */ 675 if (len > sizeof(vap->iv_roamparms)) 676 len = sizeof(vap->iv_roamparms); 677 return copyout(vap->iv_roamparms, ireq->i_data, len); 678 } 679 680 static int 681 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 682 const struct ieee80211req *ireq) 683 { 684 size_t len = ireq->i_len; 685 /* NB: accept short requests for backwards compat */ 686 if (len > sizeof(vap->iv_txparms)) 687 len = sizeof(vap->iv_txparms); 688 return copyout(vap->iv_txparms, ireq->i_data, len); 689 } 690 691 static int 692 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 693 const struct ieee80211req *ireq) 694 { 695 struct ieee80211_devcaps_req *dc; 696 struct ieee80211req_chaninfo *ci; 697 int maxchans, error; 698 699 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 700 sizeof(struct ieee80211_channel)); 701 /* NB: require 1 so we know ic_nchans is accessible */ 702 if (maxchans < 1) 703 return EINVAL; 704 /* constrain max request size, 2K channels is ~24Kbytes */ 705 if (maxchans > 2048) 706 maxchans = 2048; 707 dc = (struct ieee80211_devcaps_req *) 708 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, 709 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 710 if (dc == NULL) 711 return ENOMEM; 712 dc->dc_drivercaps = ic->ic_caps; 713 dc->dc_cryptocaps = ic->ic_cryptocaps; 714 dc->dc_htcaps = ic->ic_htcaps; 715 dc->dc_vhtcaps = ic->ic_vhtcaps; 716 ci = &dc->dc_chaninfo; 717 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 718 KASSERT(ci->ic_nchans <= maxchans, 719 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 720 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 721 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 722 IEEE80211_FREE(dc, M_TEMP); 723 return error; 724 } 725 726 static int 727 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 728 { 729 struct ieee80211_node *ni; 730 struct ieee80211req_sta_vlan vlan; 731 int error; 732 733 if (ireq->i_len != sizeof(vlan)) 734 return EINVAL; 735 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 736 if (error != 0) 737 return error; 738 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 739 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 740 vlan.sv_macaddr); 741 if (ni == NULL) 742 return ENOENT; 743 } else 744 ni = ieee80211_ref_node(vap->iv_bss); 745 vlan.sv_vlan = ni->ni_vlan; 746 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 747 ieee80211_free_node(ni); 748 return error; 749 } 750 751 /* 752 * Dummy ioctl get handler so the linker set is defined. 753 */ 754 static int 755 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 756 { 757 return ENOSYS; 758 } 759 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 760 761 static int 762 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 763 { 764 ieee80211_ioctl_getfunc * const *get; 765 int error; 766 767 SET_FOREACH(get, ieee80211_ioctl_getset) { 768 error = (*get)(vap, ireq); 769 if (error != ENOSYS) 770 return error; 771 } 772 return EINVAL; 773 } 774 775 static int 776 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 777 struct ieee80211req *ireq) 778 { 779 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 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_SSID: 788 switch (vap->iv_state) { 789 case IEEE80211_S_INIT: 790 case IEEE80211_S_SCAN: 791 ireq->i_len = vap->iv_des_ssid[0].len; 792 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 793 break; 794 default: 795 ireq->i_len = vap->iv_bss->ni_esslen; 796 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 797 break; 798 } 799 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 800 break; 801 case IEEE80211_IOC_NUMSSIDS: 802 ireq->i_val = 1; 803 break; 804 case IEEE80211_IOC_WEP: 805 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 806 ireq->i_val = IEEE80211_WEP_OFF; 807 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 808 ireq->i_val = IEEE80211_WEP_ON; 809 else 810 ireq->i_val = IEEE80211_WEP_MIXED; 811 break; 812 case IEEE80211_IOC_WEPKEY: 813 kid = (u_int) ireq->i_val; 814 if (kid >= IEEE80211_WEP_NKID) 815 return EINVAL; 816 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 817 /* NB: only root can read WEP keys */ 818 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 819 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 820 } else { 821 bzero(tmpkey, len); 822 } 823 ireq->i_len = len; 824 error = copyout(tmpkey, ireq->i_data, len); 825 break; 826 case IEEE80211_IOC_NUMWEPKEYS: 827 ireq->i_val = IEEE80211_WEP_NKID; 828 break; 829 case IEEE80211_IOC_WEPTXKEY: 830 ireq->i_val = vap->iv_def_txkey; 831 break; 832 case IEEE80211_IOC_AUTHMODE: 833 if (vap->iv_flags & IEEE80211_F_WPA) 834 ireq->i_val = IEEE80211_AUTH_WPA; 835 else 836 ireq->i_val = vap->iv_bss->ni_authmode; 837 break; 838 case IEEE80211_IOC_CHANNEL: 839 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 840 break; 841 case IEEE80211_IOC_POWERSAVE: 842 if (vap->iv_flags & IEEE80211_F_PMGTON) 843 ireq->i_val = IEEE80211_POWERSAVE_ON; 844 else 845 ireq->i_val = IEEE80211_POWERSAVE_OFF; 846 break; 847 case IEEE80211_IOC_POWERSAVESLEEP: 848 ireq->i_val = ic->ic_lintval; 849 break; 850 case IEEE80211_IOC_RTSTHRESHOLD: 851 ireq->i_val = vap->iv_rtsthreshold; 852 break; 853 case IEEE80211_IOC_PROTMODE: 854 ireq->i_val = ic->ic_protmode; 855 break; 856 case IEEE80211_IOC_TXPOWER: 857 /* 858 * Tx power limit is the min of max regulatory 859 * power, any user-set limit, and the max the 860 * radio can do. 861 * 862 * TODO: methodize this 863 */ 864 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 865 if (ireq->i_val > ic->ic_txpowlimit) 866 ireq->i_val = ic->ic_txpowlimit; 867 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 868 ireq->i_val = ic->ic_curchan->ic_maxpower; 869 break; 870 case IEEE80211_IOC_WPA: 871 switch (vap->iv_flags & IEEE80211_F_WPA) { 872 case IEEE80211_F_WPA1: 873 ireq->i_val = 1; 874 break; 875 case IEEE80211_F_WPA2: 876 ireq->i_val = 2; 877 break; 878 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 879 ireq->i_val = 3; 880 break; 881 default: 882 ireq->i_val = 0; 883 break; 884 } 885 break; 886 case IEEE80211_IOC_CHANLIST: 887 error = ieee80211_ioctl_getchanlist(vap, ireq); 888 break; 889 case IEEE80211_IOC_ROAMING: 890 ireq->i_val = vap->iv_roaming; 891 break; 892 case IEEE80211_IOC_PRIVACY: 893 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 894 break; 895 case IEEE80211_IOC_DROPUNENCRYPTED: 896 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 897 break; 898 case IEEE80211_IOC_COUNTERMEASURES: 899 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 900 break; 901 case IEEE80211_IOC_WME: 902 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 903 break; 904 case IEEE80211_IOC_HIDESSID: 905 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 906 break; 907 case IEEE80211_IOC_APBRIDGE: 908 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 909 break; 910 case IEEE80211_IOC_WPAKEY: 911 error = ieee80211_ioctl_getkey(vap, ireq); 912 break; 913 case IEEE80211_IOC_CHANINFO: 914 error = ieee80211_ioctl_getchaninfo(vap, ireq); 915 break; 916 case IEEE80211_IOC_BSSID: 917 if (ireq->i_len != IEEE80211_ADDR_LEN) 918 return EINVAL; 919 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 920 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 921 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 922 ireq->i_data, ireq->i_len); 923 } else 924 error = copyout(vap->iv_des_bssid, ireq->i_data, 925 ireq->i_len); 926 break; 927 case IEEE80211_IOC_WPAIE: 928 case IEEE80211_IOC_WPAIE2: 929 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 930 break; 931 case IEEE80211_IOC_SCAN_RESULTS: 932 error = ieee80211_ioctl_getscanresults(vap, ireq); 933 break; 934 case IEEE80211_IOC_STA_STATS: 935 error = ieee80211_ioctl_getstastats(vap, ireq); 936 break; 937 case IEEE80211_IOC_TXPOWMAX: 938 ireq->i_val = vap->iv_bss->ni_txpower; 939 break; 940 case IEEE80211_IOC_STA_TXPOW: 941 error = ieee80211_ioctl_getstatxpow(vap, ireq); 942 break; 943 case IEEE80211_IOC_STA_INFO: 944 error = ieee80211_ioctl_getstainfo(vap, ireq); 945 break; 946 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 947 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 948 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 949 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 950 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 951 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 952 error = ieee80211_ioctl_getwmeparam(vap, ireq); 953 break; 954 case IEEE80211_IOC_DTIM_PERIOD: 955 ireq->i_val = vap->iv_dtim_period; 956 break; 957 case IEEE80211_IOC_BEACON_INTERVAL: 958 /* NB: get from ic_bss for station mode */ 959 ireq->i_val = vap->iv_bss->ni_intval; 960 break; 961 case IEEE80211_IOC_PUREG: 962 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 963 break; 964 case IEEE80211_IOC_QUIET: 965 ireq->i_val = vap->iv_quiet; 966 break; 967 case IEEE80211_IOC_QUIET_COUNT: 968 ireq->i_val = vap->iv_quiet_count; 969 break; 970 case IEEE80211_IOC_QUIET_PERIOD: 971 ireq->i_val = vap->iv_quiet_period; 972 break; 973 case IEEE80211_IOC_QUIET_DUR: 974 ireq->i_val = vap->iv_quiet_duration; 975 break; 976 case IEEE80211_IOC_QUIET_OFFSET: 977 ireq->i_val = vap->iv_quiet_offset; 978 break; 979 case IEEE80211_IOC_BGSCAN: 980 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 981 break; 982 case IEEE80211_IOC_BGSCAN_IDLE: 983 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 984 break; 985 case IEEE80211_IOC_BGSCAN_INTERVAL: 986 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 987 break; 988 case IEEE80211_IOC_SCANVALID: 989 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 990 break; 991 case IEEE80211_IOC_FRAGTHRESHOLD: 992 ireq->i_val = vap->iv_fragthreshold; 993 break; 994 case IEEE80211_IOC_MACCMD: 995 error = ieee80211_ioctl_getmaccmd(vap, ireq); 996 break; 997 case IEEE80211_IOC_BURST: 998 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 999 break; 1000 case IEEE80211_IOC_BMISSTHRESHOLD: 1001 ireq->i_val = vap->iv_bmissthreshold; 1002 break; 1003 case IEEE80211_IOC_CURCHAN: 1004 error = ieee80211_ioctl_getcurchan(vap, ireq); 1005 break; 1006 case IEEE80211_IOC_SHORTGI: 1007 ireq->i_val = 0; 1008 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1009 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1010 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1011 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1012 break; 1013 case IEEE80211_IOC_AMPDU: 1014 ireq->i_val = 0; 1015 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1016 ireq->i_val |= 1; 1017 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1018 ireq->i_val |= 2; 1019 break; 1020 case IEEE80211_IOC_AMPDU_LIMIT: 1021 /* XXX TODO: make this a per-node thing; and leave this as global */ 1022 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1023 ireq->i_val = vap->iv_ampdu_rxmax; 1024 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1025 /* 1026 * XXX TODO: this isn't completely correct, as we've 1027 * negotiated the higher of the two. 1028 */ 1029 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1030 IEEE80211_HTCAP_MAXRXAMPDU); 1031 else 1032 ireq->i_val = vap->iv_ampdu_limit; 1033 break; 1034 case IEEE80211_IOC_AMPDU_DENSITY: 1035 /* XXX TODO: make this a per-node thing; and leave this as global */ 1036 if (vap->iv_opmode == IEEE80211_M_STA && 1037 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1038 /* 1039 * XXX TODO: this isn't completely correct, as we've 1040 * negotiated the higher of the two. 1041 */ 1042 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1043 IEEE80211_HTCAP_MPDUDENSITY); 1044 else 1045 ireq->i_val = vap->iv_ampdu_density; 1046 break; 1047 case IEEE80211_IOC_AMSDU: 1048 ireq->i_val = 0; 1049 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1050 ireq->i_val |= 1; 1051 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1052 ireq->i_val |= 2; 1053 break; 1054 case IEEE80211_IOC_AMSDU_LIMIT: 1055 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1056 break; 1057 case IEEE80211_IOC_PUREN: 1058 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1059 break; 1060 case IEEE80211_IOC_DOTH: 1061 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1062 break; 1063 case IEEE80211_IOC_REGDOMAIN: 1064 error = ieee80211_ioctl_getregdomain(vap, ireq); 1065 break; 1066 case IEEE80211_IOC_ROAM: 1067 error = ieee80211_ioctl_getroam(vap, ireq); 1068 break; 1069 case IEEE80211_IOC_TXPARAMS: 1070 error = ieee80211_ioctl_gettxparams(vap, ireq); 1071 break; 1072 case IEEE80211_IOC_HTCOMPAT: 1073 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1074 break; 1075 case IEEE80211_IOC_DWDS: 1076 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1077 break; 1078 case IEEE80211_IOC_INACTIVITY: 1079 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1080 break; 1081 case IEEE80211_IOC_APPIE: 1082 error = ieee80211_ioctl_getappie(vap, ireq); 1083 break; 1084 case IEEE80211_IOC_WPS: 1085 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1086 break; 1087 case IEEE80211_IOC_TSN: 1088 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1089 break; 1090 case IEEE80211_IOC_DFS: 1091 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1092 break; 1093 case IEEE80211_IOC_DOTD: 1094 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1095 break; 1096 case IEEE80211_IOC_DEVCAPS: 1097 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1098 break; 1099 case IEEE80211_IOC_HTPROTMODE: 1100 ireq->i_val = ic->ic_htprotmode; 1101 break; 1102 case IEEE80211_IOC_HTCONF: 1103 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1104 ireq->i_val = 1; 1105 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1106 ireq->i_val |= 2; 1107 } else 1108 ireq->i_val = 0; 1109 break; 1110 case IEEE80211_IOC_STA_VLAN: 1111 error = ieee80211_ioctl_getstavlan(vap, ireq); 1112 break; 1113 case IEEE80211_IOC_SMPS: 1114 if (vap->iv_opmode == IEEE80211_M_STA && 1115 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1116 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1117 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1118 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1119 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1120 else 1121 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1122 } else 1123 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1124 break; 1125 case IEEE80211_IOC_RIFS: 1126 if (vap->iv_opmode == IEEE80211_M_STA && 1127 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1128 ireq->i_val = 1129 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1130 else 1131 ireq->i_val = 1132 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1133 break; 1134 case IEEE80211_IOC_STBC: 1135 ireq->i_val = 0; 1136 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_TX) 1137 ireq->i_val |= 1; 1138 if (vap->iv_flags_ht & IEEE80211_FHT_STBC_RX) 1139 ireq->i_val |= 2; 1140 break; 1141 case IEEE80211_IOC_LDPC: 1142 ireq->i_val = 0; 1143 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_TX) 1144 ireq->i_val |= 1; 1145 if (vap->iv_flags_ht & IEEE80211_FHT_LDPC_RX) 1146 ireq->i_val |= 2; 1147 break; 1148 1149 /* VHT */ 1150 case IEEE80211_IOC_VHTCONF: 1151 ireq->i_val = 0; 1152 if (vap->iv_flags_vht & IEEE80211_FVHT_VHT) 1153 ireq->i_val |= 1; 1154 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT40) 1155 ireq->i_val |= 2; 1156 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80) 1157 ireq->i_val |= 4; 1158 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT80P80) 1159 ireq->i_val |= 8; 1160 if (vap->iv_flags_vht & IEEE80211_FVHT_USEVHT160) 1161 ireq->i_val |= 16; 1162 break; 1163 1164 default: 1165 error = ieee80211_ioctl_getdefault(vap, ireq); 1166 break; 1167 } 1168 return error; 1169 #undef MS 1170 } 1171 1172 static int 1173 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1174 { 1175 struct ieee80211req_key ik; 1176 struct ieee80211_node *ni; 1177 struct ieee80211_key *wk; 1178 uint16_t kid; 1179 int error, i; 1180 1181 if (ireq->i_len != sizeof(ik)) 1182 return EINVAL; 1183 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1184 if (error) 1185 return error; 1186 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1187 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1188 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1189 return E2BIG; 1190 kid = ik.ik_keyix; 1191 if (kid == IEEE80211_KEYIX_NONE) { 1192 /* XXX unicast keys currently must be tx/rx */ 1193 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1194 return EINVAL; 1195 if (vap->iv_opmode == IEEE80211_M_STA) { 1196 ni = ieee80211_ref_node(vap->iv_bss); 1197 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1198 ieee80211_free_node(ni); 1199 return EADDRNOTAVAIL; 1200 } 1201 } else { 1202 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1203 ik.ik_macaddr); 1204 if (ni == NULL) 1205 return ENOENT; 1206 } 1207 wk = &ni->ni_ucastkey; 1208 } else { 1209 if (kid >= IEEE80211_WEP_NKID) 1210 return EINVAL; 1211 wk = &vap->iv_nw_keys[kid]; 1212 /* 1213 * Global slots start off w/o any assigned key index. 1214 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1215 */ 1216 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1217 wk->wk_keyix = kid; 1218 ni = NULL; 1219 } 1220 error = 0; 1221 ieee80211_key_update_begin(vap); 1222 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1223 wk->wk_keylen = ik.ik_keylen; 1224 /* NB: MIC presence is implied by cipher type */ 1225 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1226 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1227 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1228 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1229 wk->wk_keytsc = 0; /* new key, reset */ 1230 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1231 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1232 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1233 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1234 if (!ieee80211_crypto_setkey(vap, wk)) 1235 error = EIO; 1236 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1237 /* 1238 * Inform the driver that this is the default 1239 * transmit key. Now, ideally we'd just set 1240 * a flag in the key update that would 1241 * say "yes, we're the default key", but 1242 * that currently isn't the way the ioctl -> 1243 * key interface works. 1244 */ 1245 ieee80211_crypto_set_deftxkey(vap, kid); 1246 } else 1247 error = ENXIO; 1248 ieee80211_key_update_end(vap); 1249 if (ni != NULL) 1250 ieee80211_free_node(ni); 1251 return error; 1252 } 1253 1254 static int 1255 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1256 { 1257 struct ieee80211req_del_key dk; 1258 int kid, error; 1259 1260 if (ireq->i_len != sizeof(dk)) 1261 return EINVAL; 1262 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1263 if (error) 1264 return error; 1265 kid = dk.idk_keyix; 1266 /* XXX uint8_t -> uint16_t */ 1267 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1268 struct ieee80211_node *ni; 1269 1270 if (vap->iv_opmode == IEEE80211_M_STA) { 1271 ni = ieee80211_ref_node(vap->iv_bss); 1272 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1273 ieee80211_free_node(ni); 1274 return EADDRNOTAVAIL; 1275 } 1276 } else { 1277 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1278 dk.idk_macaddr); 1279 if (ni == NULL) 1280 return ENOENT; 1281 } 1282 /* XXX error return */ 1283 ieee80211_node_delucastkey(ni); 1284 ieee80211_free_node(ni); 1285 } else { 1286 if (kid >= IEEE80211_WEP_NKID) 1287 return EINVAL; 1288 /* XXX error return */ 1289 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1290 } 1291 return 0; 1292 } 1293 1294 struct mlmeop { 1295 struct ieee80211vap *vap; 1296 int op; 1297 int reason; 1298 }; 1299 1300 static void 1301 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1302 int op, int reason) 1303 { 1304 #ifdef IEEE80211_DEBUG 1305 static const struct { 1306 int mask; 1307 const char *opstr; 1308 } ops[] = { 1309 { 0, "op#0" }, 1310 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1311 IEEE80211_MSG_ASSOC, "assoc" }, 1312 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1313 IEEE80211_MSG_ASSOC, "disassoc" }, 1314 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1315 IEEE80211_MSG_AUTH, "deauth" }, 1316 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1317 IEEE80211_MSG_AUTH, "authorize" }, 1318 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1319 IEEE80211_MSG_AUTH, "unauthorize" }, 1320 }; 1321 1322 if (op == IEEE80211_MLME_AUTH) { 1323 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1324 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1325 "station authenticate %s via MLME (reason: %d (%s))", 1326 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1327 reason, ieee80211_reason_to_string(reason)); 1328 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1329 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1330 "unknown MLME request %d (reason: %d (%s))", op, reason, 1331 ieee80211_reason_to_string(reason)); 1332 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1333 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1334 "station %s via MLME", ops[op].opstr); 1335 } else { 1336 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1337 "station %s via MLME (reason: %d (%s))", ops[op].opstr, 1338 reason, ieee80211_reason_to_string(reason)); 1339 } 1340 #endif /* IEEE80211_DEBUG */ 1341 } 1342 1343 static void 1344 domlme(void *arg, struct ieee80211_node *ni) 1345 { 1346 struct mlmeop *mop = arg; 1347 struct ieee80211vap *vap = ni->ni_vap; 1348 1349 if (vap != mop->vap) 1350 return; 1351 /* 1352 * NB: if ni_associd is zero then the node is already cleaned 1353 * up and we don't need to do this (we're safely holding a 1354 * reference but should otherwise not modify it's state). 1355 */ 1356 if (ni->ni_associd == 0) 1357 return; 1358 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1359 if (mop->op == IEEE80211_MLME_DEAUTH) { 1360 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1361 mop->reason); 1362 } else { 1363 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1364 mop->reason); 1365 } 1366 ieee80211_node_leave(ni); 1367 } 1368 1369 static int 1370 setmlme_dropsta(struct ieee80211vap *vap, 1371 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1372 { 1373 struct ieee80211_node_table *nt = &vap->iv_ic->ic_sta; 1374 struct ieee80211_node *ni; 1375 int error = 0; 1376 1377 /* NB: the broadcast address means do 'em all */ 1378 if (!IEEE80211_ADDR_EQ(mac, vap->iv_ifp->if_broadcastaddr)) { 1379 IEEE80211_NODE_LOCK(nt); 1380 ni = ieee80211_find_node_locked(nt, mac); 1381 IEEE80211_NODE_UNLOCK(nt); 1382 /* 1383 * Don't do the node update inside the node 1384 * table lock. This unfortunately causes LORs 1385 * with drivers and their TX paths. 1386 */ 1387 if (ni != NULL) { 1388 domlme(mlmeop, ni); 1389 ieee80211_free_node(ni); 1390 } else 1391 error = ENOENT; 1392 } else { 1393 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1394 } 1395 return error; 1396 } 1397 1398 static int 1399 setmlme_common(struct ieee80211vap *vap, int op, 1400 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1401 { 1402 struct ieee80211com *ic = vap->iv_ic; 1403 struct ieee80211_node_table *nt = &ic->ic_sta; 1404 struct ieee80211_node *ni; 1405 struct mlmeop mlmeop; 1406 int error; 1407 1408 error = 0; 1409 switch (op) { 1410 case IEEE80211_MLME_DISASSOC: 1411 case IEEE80211_MLME_DEAUTH: 1412 switch (vap->iv_opmode) { 1413 case IEEE80211_M_STA: 1414 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1415 /* XXX not quite right */ 1416 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1417 break; 1418 case IEEE80211_M_HOSTAP: 1419 mlmeop.vap = vap; 1420 mlmeop.op = op; 1421 mlmeop.reason = reason; 1422 error = setmlme_dropsta(vap, mac, &mlmeop); 1423 break; 1424 case IEEE80211_M_WDS: 1425 /* XXX user app should send raw frame? */ 1426 if (op != IEEE80211_MLME_DEAUTH) { 1427 error = EINVAL; 1428 break; 1429 } 1430 #if 0 1431 /* XXX accept any address, simplifies user code */ 1432 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1433 error = EINVAL; 1434 break; 1435 } 1436 #endif 1437 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1438 ni = ieee80211_ref_node(vap->iv_bss); 1439 IEEE80211_SEND_MGMT(ni, 1440 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1441 ieee80211_free_node(ni); 1442 break; 1443 case IEEE80211_M_MBSS: 1444 IEEE80211_NODE_LOCK(nt); 1445 ni = ieee80211_find_node_locked(nt, mac); 1446 /* 1447 * Don't do the node update inside the node 1448 * table lock. This unfortunately causes LORs 1449 * with drivers and their TX paths. 1450 */ 1451 IEEE80211_NODE_UNLOCK(nt); 1452 if (ni != NULL) { 1453 ieee80211_node_leave(ni); 1454 ieee80211_free_node(ni); 1455 } else { 1456 error = ENOENT; 1457 } 1458 break; 1459 default: 1460 error = EINVAL; 1461 break; 1462 } 1463 break; 1464 case IEEE80211_MLME_AUTHORIZE: 1465 case IEEE80211_MLME_UNAUTHORIZE: 1466 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1467 vap->iv_opmode != IEEE80211_M_WDS) { 1468 error = EINVAL; 1469 break; 1470 } 1471 IEEE80211_NODE_LOCK(nt); 1472 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1473 /* 1474 * Don't do the node update inside the node 1475 * table lock. This unfortunately causes LORs 1476 * with drivers and their TX paths. 1477 */ 1478 IEEE80211_NODE_UNLOCK(nt); 1479 if (ni != NULL) { 1480 mlmedebug(vap, mac, op, reason); 1481 if (op == IEEE80211_MLME_AUTHORIZE) 1482 ieee80211_node_authorize(ni); 1483 else 1484 ieee80211_node_unauthorize(ni); 1485 ieee80211_free_node(ni); 1486 } else 1487 error = ENOENT; 1488 break; 1489 case IEEE80211_MLME_AUTH: 1490 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1491 error = EINVAL; 1492 break; 1493 } 1494 IEEE80211_NODE_LOCK(nt); 1495 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1496 /* 1497 * Don't do the node update inside the node 1498 * table lock. This unfortunately causes LORs 1499 * with drivers and their TX paths. 1500 */ 1501 IEEE80211_NODE_UNLOCK(nt); 1502 if (ni != NULL) { 1503 mlmedebug(vap, mac, op, reason); 1504 if (reason == IEEE80211_STATUS_SUCCESS) { 1505 IEEE80211_SEND_MGMT(ni, 1506 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1507 /* 1508 * For shared key auth, just continue the 1509 * exchange. Otherwise when 802.1x is not in 1510 * use mark the port authorized at this point 1511 * so traffic can flow. 1512 */ 1513 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1514 ni->ni_challenge == NULL) 1515 ieee80211_node_authorize(ni); 1516 } else { 1517 vap->iv_stats.is_rx_acl++; 1518 ieee80211_send_error(ni, ni->ni_macaddr, 1519 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1520 ieee80211_node_leave(ni); 1521 } 1522 ieee80211_free_node(ni); 1523 } else 1524 error = ENOENT; 1525 break; 1526 default: 1527 error = EINVAL; 1528 break; 1529 } 1530 return error; 1531 } 1532 1533 struct scanlookup { 1534 const uint8_t *mac; 1535 int esslen; 1536 const uint8_t *essid; 1537 const struct ieee80211_scan_entry *se; 1538 }; 1539 1540 /* 1541 * Match mac address and any ssid. 1542 */ 1543 static void 1544 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1545 { 1546 struct scanlookup *look = arg; 1547 1548 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1549 return; 1550 if (look->esslen != 0) { 1551 if (se->se_ssid[1] != look->esslen) 1552 return; 1553 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1554 return; 1555 } 1556 look->se = se; 1557 } 1558 1559 static int 1560 setmlme_assoc_sta(struct ieee80211vap *vap, 1561 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1562 const uint8_t ssid[IEEE80211_NWID_LEN]) 1563 { 1564 struct scanlookup lookup; 1565 1566 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1567 ("expected opmode STA not %s", 1568 ieee80211_opmode_name[vap->iv_opmode])); 1569 1570 /* NB: this is racey if roaming is !manual */ 1571 lookup.se = NULL; 1572 lookup.mac = mac; 1573 lookup.esslen = ssid_len; 1574 lookup.essid = ssid; 1575 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1576 if (lookup.se == NULL) 1577 return ENOENT; 1578 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1579 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1580 return EIO; /* XXX unique but could be better */ 1581 return 0; 1582 } 1583 1584 static int 1585 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1586 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1587 const uint8_t ssid[IEEE80211_NWID_LEN]) 1588 { 1589 struct ieee80211_scan_req *sr; 1590 int error; 1591 1592 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1593 vap->iv_opmode == IEEE80211_M_AHDEMO, 1594 ("expected opmode IBSS or AHDEMO not %s", 1595 ieee80211_opmode_name[vap->iv_opmode])); 1596 1597 if (ssid_len == 0) 1598 return EINVAL; 1599 1600 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 1601 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1602 if (sr == NULL) 1603 return ENOMEM; 1604 1605 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1606 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1607 vap->iv_des_ssid[0].len = ssid_len; 1608 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1609 vap->iv_des_nssid = 1; 1610 1611 sr->sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1612 sr->sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1613 memcpy(sr->sr_ssid[0].ssid, ssid, ssid_len); 1614 sr->sr_ssid[0].len = ssid_len; 1615 sr->sr_nssid = 1; 1616 1617 error = ieee80211_scanreq(vap, sr); 1618 1619 IEEE80211_FREE(sr, M_TEMP); 1620 return error; 1621 } 1622 1623 static int 1624 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1625 { 1626 struct ieee80211req_mlme mlme; 1627 int error; 1628 1629 if (ireq->i_len != sizeof(mlme)) 1630 return EINVAL; 1631 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1632 if (error) 1633 return error; 1634 if (vap->iv_opmode == IEEE80211_M_STA && 1635 mlme.im_op == IEEE80211_MLME_ASSOC) 1636 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1637 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1638 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1639 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1640 mlme.im_op == IEEE80211_MLME_ASSOC) 1641 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1642 mlme.im_ssid_len, mlme.im_ssid); 1643 else 1644 return setmlme_common(vap, mlme.im_op, 1645 mlme.im_macaddr, mlme.im_reason); 1646 } 1647 1648 static int 1649 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1650 { 1651 uint8_t mac[IEEE80211_ADDR_LEN]; 1652 const struct ieee80211_aclator *acl = vap->iv_acl; 1653 int error; 1654 1655 if (ireq->i_len != sizeof(mac)) 1656 return EINVAL; 1657 error = copyin(ireq->i_data, mac, ireq->i_len); 1658 if (error) 1659 return error; 1660 if (acl == NULL) { 1661 acl = ieee80211_aclator_get("mac"); 1662 if (acl == NULL || !acl->iac_attach(vap)) 1663 return EINVAL; 1664 vap->iv_acl = acl; 1665 } 1666 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1667 acl->iac_add(vap, mac); 1668 else 1669 acl->iac_remove(vap, mac); 1670 return 0; 1671 } 1672 1673 static int 1674 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1675 { 1676 const struct ieee80211_aclator *acl = vap->iv_acl; 1677 1678 switch (ireq->i_val) { 1679 case IEEE80211_MACCMD_POLICY_OPEN: 1680 case IEEE80211_MACCMD_POLICY_ALLOW: 1681 case IEEE80211_MACCMD_POLICY_DENY: 1682 case IEEE80211_MACCMD_POLICY_RADIUS: 1683 if (acl == NULL) { 1684 acl = ieee80211_aclator_get("mac"); 1685 if (acl == NULL || !acl->iac_attach(vap)) 1686 return EINVAL; 1687 vap->iv_acl = acl; 1688 } 1689 acl->iac_setpolicy(vap, ireq->i_val); 1690 break; 1691 case IEEE80211_MACCMD_FLUSH: 1692 if (acl != NULL) 1693 acl->iac_flush(vap); 1694 /* NB: silently ignore when not in use */ 1695 break; 1696 case IEEE80211_MACCMD_DETACH: 1697 if (acl != NULL) { 1698 vap->iv_acl = NULL; 1699 acl->iac_detach(vap); 1700 } 1701 break; 1702 default: 1703 if (acl == NULL) 1704 return EINVAL; 1705 else 1706 return acl->iac_setioctl(vap, ireq); 1707 } 1708 return 0; 1709 } 1710 1711 static int 1712 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1713 { 1714 struct ieee80211com *ic = vap->iv_ic; 1715 uint8_t *chanlist, *list; 1716 int i, nchan, maxchan, error; 1717 1718 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1719 ireq->i_len = sizeof(ic->ic_chan_active); 1720 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1721 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 1722 if (list == NULL) 1723 return ENOMEM; 1724 error = copyin(ireq->i_data, list, ireq->i_len); 1725 if (error) { 1726 IEEE80211_FREE(list, M_TEMP); 1727 return error; 1728 } 1729 nchan = 0; 1730 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1731 maxchan = ireq->i_len * NBBY; 1732 for (i = 0; i < ic->ic_nchans; i++) { 1733 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1734 /* 1735 * Calculate the intersection of the user list and the 1736 * available channels so users can do things like specify 1737 * 1-255 to get all available channels. 1738 */ 1739 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1740 setbit(chanlist, c->ic_ieee); 1741 nchan++; 1742 } 1743 } 1744 if (nchan == 0) { 1745 IEEE80211_FREE(list, M_TEMP); 1746 return EINVAL; 1747 } 1748 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1749 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1750 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1751 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1752 ieee80211_scan_flush(vap); 1753 IEEE80211_FREE(list, M_TEMP); 1754 return ENETRESET; 1755 } 1756 1757 static int 1758 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1759 { 1760 struct ieee80211_node *ni; 1761 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1762 int error; 1763 1764 /* 1765 * NB: we could copyin ieee80211req_sta_stats so apps 1766 * could make selective changes but that's overkill; 1767 * just clear all stats for now. 1768 */ 1769 if (ireq->i_len < IEEE80211_ADDR_LEN) 1770 return EINVAL; 1771 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1772 if (error != 0) 1773 return error; 1774 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1775 if (ni == NULL) 1776 return ENOENT; 1777 /* XXX require ni_vap == vap? */ 1778 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1779 ieee80211_free_node(ni); 1780 return 0; 1781 } 1782 1783 static int 1784 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1785 { 1786 struct ieee80211_node *ni; 1787 struct ieee80211req_sta_txpow txpow; 1788 int error; 1789 1790 if (ireq->i_len != sizeof(txpow)) 1791 return EINVAL; 1792 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1793 if (error != 0) 1794 return error; 1795 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1796 if (ni == NULL) 1797 return ENOENT; 1798 ni->ni_txpower = txpow.it_txpow; 1799 ieee80211_free_node(ni); 1800 return error; 1801 } 1802 1803 static int 1804 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1805 { 1806 struct ieee80211com *ic = vap->iv_ic; 1807 struct ieee80211_wme_state *wme = &ic->ic_wme; 1808 struct wmeParams *wmep, *chanp; 1809 int isbss, ac, aggrmode; 1810 1811 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1812 return EOPNOTSUPP; 1813 1814 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1815 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1816 aggrmode = (wme->wme_flags & WME_F_AGGRMODE); 1817 if (ac >= WME_NUM_AC) 1818 ac = WME_AC_BE; 1819 if (isbss) { 1820 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1821 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1822 } else { 1823 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1824 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1825 } 1826 switch (ireq->i_type) { 1827 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1828 wmep->wmep_logcwmin = ireq->i_val; 1829 if (!isbss || !aggrmode) 1830 chanp->wmep_logcwmin = ireq->i_val; 1831 break; 1832 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1833 wmep->wmep_logcwmax = ireq->i_val; 1834 if (!isbss || !aggrmode) 1835 chanp->wmep_logcwmax = ireq->i_val; 1836 break; 1837 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1838 wmep->wmep_aifsn = ireq->i_val; 1839 if (!isbss || !aggrmode) 1840 chanp->wmep_aifsn = ireq->i_val; 1841 break; 1842 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1843 wmep->wmep_txopLimit = ireq->i_val; 1844 if (!isbss || !aggrmode) 1845 chanp->wmep_txopLimit = ireq->i_val; 1846 break; 1847 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1848 wmep->wmep_acm = ireq->i_val; 1849 if (!aggrmode) 1850 chanp->wmep_acm = ireq->i_val; 1851 break; 1852 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1853 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1854 (ireq->i_val) == 0; 1855 break; 1856 } 1857 ieee80211_wme_updateparams(vap); 1858 return 0; 1859 } 1860 1861 static int 1862 find11gchannel(struct ieee80211com *ic, int start, int freq) 1863 { 1864 const struct ieee80211_channel *c; 1865 int i; 1866 1867 for (i = start+1; i < ic->ic_nchans; i++) { 1868 c = &ic->ic_channels[i]; 1869 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1870 return 1; 1871 } 1872 /* NB: should not be needed but in case things are mis-sorted */ 1873 for (i = 0; i < start; i++) { 1874 c = &ic->ic_channels[i]; 1875 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1876 return 1; 1877 } 1878 return 0; 1879 } 1880 1881 static struct ieee80211_channel * 1882 findchannel(struct ieee80211com *ic, int ieee, int mode) 1883 { 1884 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1885 [IEEE80211_MODE_AUTO] = 0, 1886 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1887 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1888 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1889 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1890 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1891 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1892 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1893 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1894 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1895 /* NB: handled specially below */ 1896 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1897 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1898 [IEEE80211_MODE_VHT_5GHZ] = IEEE80211_CHAN_A, 1899 [IEEE80211_MODE_VHT_2GHZ] = IEEE80211_CHAN_G, 1900 }; 1901 u_int modeflags; 1902 int i; 1903 1904 modeflags = chanflags[mode]; 1905 for (i = 0; i < ic->ic_nchans; i++) { 1906 struct ieee80211_channel *c = &ic->ic_channels[i]; 1907 1908 if (c->ic_ieee != ieee) 1909 continue; 1910 if (mode == IEEE80211_MODE_AUTO) { 1911 /* ignore turbo channels for autoselect */ 1912 if (IEEE80211_IS_CHAN_TURBO(c)) 1913 continue; 1914 /* 1915 * XXX special-case 11b/g channels so we 1916 * always select the g channel if both 1917 * are present. 1918 * XXX prefer HT to non-HT? 1919 */ 1920 if (!IEEE80211_IS_CHAN_B(c) || 1921 !find11gchannel(ic, i, c->ic_freq)) 1922 return c; 1923 } else { 1924 /* must check VHT specifically */ 1925 if ((mode == IEEE80211_MODE_VHT_5GHZ || 1926 mode == IEEE80211_MODE_VHT_2GHZ) && 1927 !IEEE80211_IS_CHAN_VHT(c)) 1928 continue; 1929 1930 /* 1931 * Must check HT specially - only match on HT, 1932 * not HT+VHT channels 1933 */ 1934 if ((mode == IEEE80211_MODE_11NA || 1935 mode == IEEE80211_MODE_11NG) && 1936 !IEEE80211_IS_CHAN_HT(c)) 1937 continue; 1938 1939 if ((mode == IEEE80211_MODE_11NA || 1940 mode == IEEE80211_MODE_11NG) && 1941 IEEE80211_IS_CHAN_VHT(c)) 1942 continue; 1943 1944 /* Check that the modeflags above match */ 1945 if ((c->ic_flags & modeflags) == modeflags) 1946 return c; 1947 } 1948 } 1949 return NULL; 1950 } 1951 1952 /* 1953 * Check the specified against any desired mode (aka netband). 1954 * This is only used (presently) when operating in hostap mode 1955 * to enforce consistency. 1956 */ 1957 static int 1958 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1959 { 1960 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1961 1962 switch (mode) { 1963 case IEEE80211_MODE_11B: 1964 return (IEEE80211_IS_CHAN_B(c)); 1965 case IEEE80211_MODE_11G: 1966 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1967 case IEEE80211_MODE_11A: 1968 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1969 case IEEE80211_MODE_STURBO_A: 1970 return (IEEE80211_IS_CHAN_STURBO(c)); 1971 case IEEE80211_MODE_11NA: 1972 return (IEEE80211_IS_CHAN_HTA(c)); 1973 case IEEE80211_MODE_11NG: 1974 return (IEEE80211_IS_CHAN_HTG(c)); 1975 } 1976 return 1; 1977 1978 } 1979 1980 /* 1981 * Common code to set the current channel. If the device 1982 * is up and running this may result in an immediate channel 1983 * change or a kick of the state machine. 1984 */ 1985 static int 1986 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1987 { 1988 struct ieee80211com *ic = vap->iv_ic; 1989 int error; 1990 1991 if (c != IEEE80211_CHAN_ANYC) { 1992 if (IEEE80211_IS_CHAN_RADAR(c)) 1993 return EBUSY; /* XXX better code? */ 1994 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1995 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1996 return EINVAL; 1997 if (!check_mode_consistency(c, vap->iv_des_mode)) 1998 return EINVAL; 1999 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 2000 if (IEEE80211_IS_CHAN_NOADHOC(c)) 2001 return EINVAL; 2002 } 2003 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 2004 vap->iv_bss->ni_chan == c) 2005 return 0; /* NB: nothing to do */ 2006 } 2007 vap->iv_des_chan = c; 2008 2009 error = 0; 2010 if (vap->iv_opmode == IEEE80211_M_MONITOR && 2011 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2012 /* 2013 * Monitor mode can switch directly. 2014 */ 2015 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 2016 /* XXX need state machine for other vap's to follow */ 2017 ieee80211_setcurchan(ic, vap->iv_des_chan); 2018 vap->iv_bss->ni_chan = ic->ic_curchan; 2019 } else { 2020 ic->ic_curchan = vap->iv_des_chan; 2021 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2022 } 2023 } else { 2024 /* 2025 * Need to go through the state machine in case we 2026 * need to reassociate or the like. The state machine 2027 * will pickup the desired channel and avoid scanning. 2028 */ 2029 if (IS_UP_AUTO(vap)) 2030 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2031 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 2032 /* 2033 * When not up+running and a real channel has 2034 * been specified fix the current channel so 2035 * there is immediate feedback; e.g. via ifconfig. 2036 */ 2037 ic->ic_curchan = vap->iv_des_chan; 2038 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 2039 } 2040 } 2041 return error; 2042 } 2043 2044 /* 2045 * Old api for setting the current channel; this is 2046 * deprecated because channel numbers are ambiguous. 2047 */ 2048 static int 2049 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2050 const struct ieee80211req *ireq) 2051 { 2052 struct ieee80211com *ic = vap->iv_ic; 2053 struct ieee80211_channel *c; 2054 2055 /* XXX 0xffff overflows 16-bit signed */ 2056 if (ireq->i_val == 0 || 2057 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2058 c = IEEE80211_CHAN_ANYC; 2059 } else { 2060 struct ieee80211_channel *c2; 2061 2062 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2063 if (c == NULL) { 2064 c = findchannel(ic, ireq->i_val, 2065 IEEE80211_MODE_AUTO); 2066 if (c == NULL) 2067 return EINVAL; 2068 } 2069 2070 /* 2071 * Fine tune channel selection based on desired mode: 2072 * if 11b is requested, find the 11b version of any 2073 * 11g channel returned, 2074 * if static turbo, find the turbo version of any 2075 * 11a channel return, 2076 * if 11na is requested, find the ht version of any 2077 * 11a channel returned, 2078 * if 11ng is requested, find the ht version of any 2079 * 11g channel returned, 2080 * if 11ac is requested, find the 11ac version 2081 * of any 11a/11na channel returned, 2082 * (TBD) 11acg (2GHz VHT) 2083 * otherwise we should be ok with what we've got. 2084 */ 2085 switch (vap->iv_des_mode) { 2086 case IEEE80211_MODE_11B: 2087 if (IEEE80211_IS_CHAN_ANYG(c)) { 2088 c2 = findchannel(ic, ireq->i_val, 2089 IEEE80211_MODE_11B); 2090 /* NB: should not happen, =>'s 11g w/o 11b */ 2091 if (c2 != NULL) 2092 c = c2; 2093 } 2094 break; 2095 case IEEE80211_MODE_TURBO_A: 2096 if (IEEE80211_IS_CHAN_A(c)) { 2097 c2 = findchannel(ic, ireq->i_val, 2098 IEEE80211_MODE_TURBO_A); 2099 if (c2 != NULL) 2100 c = c2; 2101 } 2102 break; 2103 case IEEE80211_MODE_11NA: 2104 if (IEEE80211_IS_CHAN_A(c)) { 2105 c2 = findchannel(ic, ireq->i_val, 2106 IEEE80211_MODE_11NA); 2107 if (c2 != NULL) 2108 c = c2; 2109 } 2110 break; 2111 case IEEE80211_MODE_11NG: 2112 if (IEEE80211_IS_CHAN_ANYG(c)) { 2113 c2 = findchannel(ic, ireq->i_val, 2114 IEEE80211_MODE_11NG); 2115 if (c2 != NULL) 2116 c = c2; 2117 } 2118 break; 2119 case IEEE80211_MODE_VHT_2GHZ: 2120 printf("%s: TBD\n", __func__); 2121 break; 2122 case IEEE80211_MODE_VHT_5GHZ: 2123 if (IEEE80211_IS_CHAN_A(c)) { 2124 c2 = findchannel(ic, ireq->i_val, 2125 IEEE80211_MODE_VHT_5GHZ); 2126 if (c2 != NULL) 2127 c = c2; 2128 } 2129 break; 2130 default: /* NB: no static turboG */ 2131 break; 2132 } 2133 } 2134 return setcurchan(vap, c); 2135 } 2136 2137 /* 2138 * New/current api for setting the current channel; a complete 2139 * channel description is provide so there is no ambiguity in 2140 * identifying the channel. 2141 */ 2142 static int 2143 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2144 const struct ieee80211req *ireq) 2145 { 2146 struct ieee80211com *ic = vap->iv_ic; 2147 struct ieee80211_channel chan, *c; 2148 int error; 2149 2150 if (ireq->i_len != sizeof(chan)) 2151 return EINVAL; 2152 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2153 if (error != 0) 2154 return error; 2155 2156 /* XXX 0xffff overflows 16-bit signed */ 2157 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2158 c = IEEE80211_CHAN_ANYC; 2159 } else { 2160 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2161 if (c == NULL) 2162 return EINVAL; 2163 } 2164 return setcurchan(vap, c); 2165 } 2166 2167 static int 2168 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2169 const struct ieee80211req *ireq) 2170 { 2171 struct ieee80211_regdomain_req *reg; 2172 int nchans, error; 2173 2174 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2175 sizeof(struct ieee80211_channel)); 2176 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2177 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2178 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2179 ireq->i_len, nchans); 2180 return EINVAL; 2181 } 2182 reg = (struct ieee80211_regdomain_req *) 2183 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, 2184 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2185 if (reg == NULL) { 2186 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2187 "%s: no memory, nchans %d\n", __func__, nchans); 2188 return ENOMEM; 2189 } 2190 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2191 if (error == 0) { 2192 /* NB: validate inline channel count against storage size */ 2193 if (reg->chaninfo.ic_nchans != nchans) { 2194 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2195 "%s: chan cnt mismatch, %d != %d\n", __func__, 2196 reg->chaninfo.ic_nchans, nchans); 2197 error = EINVAL; 2198 } else 2199 error = ieee80211_setregdomain(vap, reg); 2200 } 2201 IEEE80211_FREE(reg, M_TEMP); 2202 2203 return (error == 0 ? ENETRESET : error); 2204 } 2205 2206 static int 2207 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2208 const struct ieee80211req *ireq) 2209 { 2210 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2211 return EINVAL; 2212 /* XXX validate params */ 2213 /* XXX? ENETRESET to push to device? */ 2214 return copyin(ireq->i_data, vap->iv_roamparms, 2215 sizeof(vap->iv_roamparms)); 2216 } 2217 2218 static int 2219 checkrate(const struct ieee80211_rateset *rs, int rate) 2220 { 2221 int i; 2222 2223 if (rate == IEEE80211_FIXED_RATE_NONE) 2224 return 1; 2225 for (i = 0; i < rs->rs_nrates; i++) 2226 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2227 return 1; 2228 return 0; 2229 } 2230 2231 static int 2232 checkmcs(const struct ieee80211_htrateset *rs, int mcs) 2233 { 2234 int rate_val = IEEE80211_RV(mcs); 2235 int i; 2236 2237 if (mcs == IEEE80211_FIXED_RATE_NONE) 2238 return 1; 2239 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2240 return 0; 2241 for (i = 0; i < rs->rs_nrates; i++) 2242 if (IEEE80211_RV(rs->rs_rates[i]) == rate_val) 2243 return 1; 2244 return 0; 2245 } 2246 2247 static int 2248 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2249 const struct ieee80211req *ireq) 2250 { 2251 struct ieee80211com *ic = vap->iv_ic; 2252 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2253 struct ieee80211_txparam *src, *dst; 2254 const struct ieee80211_htrateset *rs_ht; 2255 const struct ieee80211_rateset *rs; 2256 int error, mode, changed, is11n, nmodes; 2257 2258 /* NB: accept short requests for backwards compat */ 2259 if (ireq->i_len > sizeof(parms)) 2260 return EINVAL; 2261 error = copyin(ireq->i_data, &parms, ireq->i_len); 2262 if (error != 0) 2263 return error; 2264 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2265 changed = 0; 2266 /* validate parameters and check if anything changed */ 2267 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2268 if (isclr(ic->ic_modecaps, mode)) 2269 continue; 2270 src = &parms.params[mode]; 2271 dst = &vap->iv_txparms[mode]; 2272 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2273 rs_ht = &ic->ic_sup_htrates; 2274 is11n = (mode == IEEE80211_MODE_11NA || 2275 mode == IEEE80211_MODE_11NG); 2276 if (src->ucastrate != dst->ucastrate) { 2277 if (!checkrate(rs, src->ucastrate) && 2278 (!is11n || !checkmcs(rs_ht, src->ucastrate))) 2279 return EINVAL; 2280 changed++; 2281 } 2282 if (src->mcastrate != dst->mcastrate) { 2283 if (!checkrate(rs, src->mcastrate) && 2284 (!is11n || !checkmcs(rs_ht, src->mcastrate))) 2285 return EINVAL; 2286 changed++; 2287 } 2288 if (src->mgmtrate != dst->mgmtrate) { 2289 if (!checkrate(rs, src->mgmtrate) && 2290 (!is11n || !checkmcs(rs_ht, src->mgmtrate))) 2291 return EINVAL; 2292 changed++; 2293 } 2294 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2295 changed++; 2296 } 2297 if (changed) { 2298 /* 2299 * Copy new parameters in place and notify the 2300 * driver so it can push state to the device. 2301 */ 2302 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2303 if (isset(ic->ic_modecaps, mode)) 2304 vap->iv_txparms[mode] = parms.params[mode]; 2305 } 2306 /* XXX could be more intelligent, 2307 e.g. don't reset if setting not being used */ 2308 return ENETRESET; 2309 } 2310 return 0; 2311 } 2312 2313 /* 2314 * Application Information Element support. 2315 */ 2316 static int 2317 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2318 { 2319 struct ieee80211_appie *app = *aie; 2320 struct ieee80211_appie *napp; 2321 int error; 2322 2323 if (ireq->i_len == 0) { /* delete any existing ie */ 2324 if (app != NULL) { 2325 *aie = NULL; /* XXX racey */ 2326 IEEE80211_FREE(app, M_80211_NODE_IE); 2327 } 2328 return 0; 2329 } 2330 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2331 return EINVAL; 2332 /* 2333 * Allocate a new appie structure and copy in the user data. 2334 * When done swap in the new structure. Note that we do not 2335 * guard against users holding a ref to the old structure; 2336 * this must be handled outside this code. 2337 * 2338 * XXX bad bad bad 2339 */ 2340 napp = (struct ieee80211_appie *) IEEE80211_MALLOC( 2341 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2342 IEEE80211_M_NOWAIT); 2343 if (napp == NULL) 2344 return ENOMEM; 2345 /* XXX holding ic lock */ 2346 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2347 if (error) { 2348 IEEE80211_FREE(napp, M_80211_NODE_IE); 2349 return error; 2350 } 2351 napp->ie_len = ireq->i_len; 2352 *aie = napp; 2353 if (app != NULL) 2354 IEEE80211_FREE(app, M_80211_NODE_IE); 2355 return 0; 2356 } 2357 2358 static void 2359 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2360 { 2361 /* validate data is present as best we can */ 2362 if (space == 0 || 2+ie[1] > space) 2363 return; 2364 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2365 vap->iv_wpa_ie = ie; 2366 else if (ie[0] == IEEE80211_ELEMID_RSN) 2367 vap->iv_rsn_ie = ie; 2368 } 2369 2370 static int 2371 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2372 const struct ieee80211req *ireq, int fc0) 2373 { 2374 int error; 2375 2376 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2377 2378 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2379 case IEEE80211_FC0_SUBTYPE_BEACON: 2380 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2381 vap->iv_opmode != IEEE80211_M_IBSS) { 2382 error = EINVAL; 2383 break; 2384 } 2385 error = setappie(&vap->iv_appie_beacon, ireq); 2386 if (error == 0) 2387 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2388 break; 2389 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2390 error = setappie(&vap->iv_appie_proberesp, ireq); 2391 break; 2392 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2393 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2394 error = setappie(&vap->iv_appie_assocresp, ireq); 2395 else 2396 error = EINVAL; 2397 break; 2398 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2399 error = setappie(&vap->iv_appie_probereq, ireq); 2400 break; 2401 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2402 if (vap->iv_opmode == IEEE80211_M_STA) 2403 error = setappie(&vap->iv_appie_assocreq, ireq); 2404 else 2405 error = EINVAL; 2406 break; 2407 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2408 error = setappie(&vap->iv_appie_wpa, ireq); 2409 if (error == 0) { 2410 /* 2411 * Must split single blob of data into separate 2412 * WPA and RSN ie's because they go in different 2413 * locations in the mgt frames. 2414 * XXX use IEEE80211_IOC_WPA2 so user code does split 2415 */ 2416 vap->iv_wpa_ie = NULL; 2417 vap->iv_rsn_ie = NULL; 2418 if (vap->iv_appie_wpa != NULL) { 2419 struct ieee80211_appie *appie = 2420 vap->iv_appie_wpa; 2421 uint8_t *data = appie->ie_data; 2422 2423 /* XXX ie length validate is painful, cheat */ 2424 setwparsnie(vap, data, appie->ie_len); 2425 setwparsnie(vap, data + 2 + data[1], 2426 appie->ie_len - (2 + data[1])); 2427 } 2428 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2429 vap->iv_opmode == IEEE80211_M_IBSS) { 2430 /* 2431 * Must rebuild beacon frame as the update 2432 * mechanism doesn't handle WPA/RSN ie's. 2433 * Could extend it but it doesn't normally 2434 * change; this is just to deal with hostapd 2435 * plumbing the ie after the interface is up. 2436 */ 2437 error = ENETRESET; 2438 } 2439 } 2440 break; 2441 default: 2442 error = EINVAL; 2443 break; 2444 } 2445 return error; 2446 } 2447 2448 static int 2449 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2450 const struct ieee80211req *ireq) 2451 { 2452 struct ieee80211com *ic = vap->iv_ic; 2453 int error; 2454 uint8_t fc0; 2455 2456 fc0 = ireq->i_val & 0xff; 2457 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2458 return EINVAL; 2459 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2460 IEEE80211_LOCK(ic); 2461 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2462 IEEE80211_UNLOCK(ic); 2463 return error; 2464 } 2465 2466 static int 2467 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2468 { 2469 struct ieee80211com *ic = vap->iv_ic; 2470 struct ieee80211_chanswitch_req csr; 2471 struct ieee80211_channel *c; 2472 int error; 2473 2474 if (ireq->i_len != sizeof(csr)) 2475 return EINVAL; 2476 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2477 if (error != 0) 2478 return error; 2479 /* XXX adhoc mode not supported */ 2480 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2481 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2482 return EOPNOTSUPP; 2483 c = ieee80211_find_channel(ic, 2484 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2485 if (c == NULL) 2486 return ENOENT; 2487 IEEE80211_LOCK(ic); 2488 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2489 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2490 else if (csr.csa_count == 0) 2491 ieee80211_csa_cancelswitch(ic); 2492 else 2493 error = EBUSY; 2494 IEEE80211_UNLOCK(ic); 2495 return error; 2496 } 2497 2498 static int 2499 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2500 { 2501 #define IEEE80211_IOC_SCAN_FLAGS \ 2502 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2503 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2504 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2505 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2506 IEEE80211_IOC_SCAN_CHECK) 2507 struct ieee80211com *ic = vap->iv_ic; 2508 int error, i; 2509 2510 /* convert duration */ 2511 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2512 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2513 else { 2514 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2515 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2516 return EINVAL; 2517 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2518 if (sr->sr_duration < 1) 2519 sr->sr_duration = 1; 2520 } 2521 /* convert min/max channel dwell */ 2522 if (sr->sr_mindwell != 0) { 2523 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2524 if (sr->sr_mindwell < 1) 2525 sr->sr_mindwell = 1; 2526 } 2527 if (sr->sr_maxdwell != 0) { 2528 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2529 if (sr->sr_maxdwell < 1) 2530 sr->sr_maxdwell = 1; 2531 } 2532 /* NB: silently reduce ssid count to what is supported */ 2533 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2534 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2535 for (i = 0; i < sr->sr_nssid; i++) 2536 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2537 return EINVAL; 2538 /* cleanse flags just in case, could reject if invalid flags */ 2539 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2540 /* 2541 * Add an implicit NOPICK if the vap is not marked UP. This 2542 * allows applications to scan without joining a bss (or picking 2543 * a channel and setting up a bss) and without forcing manual 2544 * roaming mode--you just need to mark the parent device UP. 2545 */ 2546 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2547 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2548 2549 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2550 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2551 __func__, sr->sr_flags, 2552 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2553 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2554 /* 2555 * If we are in INIT state then the driver has never had a chance 2556 * to setup hardware state to do a scan; we must use the state 2557 * machine to get us up to the SCAN state but once we reach SCAN 2558 * state we then want to use the supplied params. Stash the 2559 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2560 * state machines will recognize this and use the stashed params 2561 * to issue the scan request. 2562 * 2563 * Otherwise just invoke the scan machinery directly. 2564 */ 2565 IEEE80211_LOCK(ic); 2566 if (ic->ic_nrunning == 0) { 2567 IEEE80211_UNLOCK(ic); 2568 return ENXIO; 2569 } 2570 2571 if (vap->iv_state == IEEE80211_S_INIT) { 2572 /* NB: clobbers previous settings */ 2573 vap->iv_scanreq_flags = sr->sr_flags; 2574 vap->iv_scanreq_duration = sr->sr_duration; 2575 vap->iv_scanreq_nssid = sr->sr_nssid; 2576 for (i = 0; i < sr->sr_nssid; i++) { 2577 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2578 memcpy(vap->iv_scanreq_ssid[i].ssid, 2579 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2580 } 2581 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2582 IEEE80211_UNLOCK(ic); 2583 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2584 } else { 2585 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2586 IEEE80211_UNLOCK(ic); 2587 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2588 error = ieee80211_check_scan(vap, sr->sr_flags, 2589 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2590 sr->sr_nssid, 2591 /* NB: cheat, we assume structures are compatible */ 2592 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2593 } else { 2594 error = ieee80211_start_scan(vap, sr->sr_flags, 2595 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2596 sr->sr_nssid, 2597 /* NB: cheat, we assume structures are compatible */ 2598 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2599 } 2600 if (error == 0) 2601 return EINPROGRESS; 2602 } 2603 return 0; 2604 #undef IEEE80211_IOC_SCAN_FLAGS 2605 } 2606 2607 static int 2608 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2609 { 2610 struct ieee80211_scan_req *sr; 2611 int error; 2612 2613 if (ireq->i_len != sizeof(*sr)) 2614 return EINVAL; 2615 sr = IEEE80211_MALLOC(sizeof(*sr), M_TEMP, 2616 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); 2617 if (sr == NULL) 2618 return ENOMEM; 2619 error = copyin(ireq->i_data, sr, sizeof(*sr)); 2620 if (error != 0) 2621 goto bad; 2622 error = ieee80211_scanreq(vap, sr); 2623 bad: 2624 IEEE80211_FREE(sr, M_TEMP); 2625 return error; 2626 } 2627 2628 static int 2629 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2630 { 2631 struct ieee80211_node *ni; 2632 struct ieee80211req_sta_vlan vlan; 2633 int error; 2634 2635 if (ireq->i_len != sizeof(vlan)) 2636 return EINVAL; 2637 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2638 if (error != 0) 2639 return error; 2640 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2641 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2642 vlan.sv_macaddr); 2643 if (ni == NULL) 2644 return ENOENT; 2645 } else 2646 ni = ieee80211_ref_node(vap->iv_bss); 2647 ni->ni_vlan = vlan.sv_vlan; 2648 ieee80211_free_node(ni); 2649 return error; 2650 } 2651 2652 static int 2653 isvap11g(const struct ieee80211vap *vap) 2654 { 2655 const struct ieee80211_node *bss = vap->iv_bss; 2656 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2657 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2658 } 2659 2660 static int 2661 isvapht(const struct ieee80211vap *vap) 2662 { 2663 const struct ieee80211_node *bss = vap->iv_bss; 2664 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2665 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2666 } 2667 2668 /* 2669 * Dummy ioctl set handler so the linker set is defined. 2670 */ 2671 static int 2672 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2673 { 2674 return ENOSYS; 2675 } 2676 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2677 2678 static int 2679 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2680 { 2681 ieee80211_ioctl_setfunc * const *set; 2682 int error; 2683 2684 SET_FOREACH(set, ieee80211_ioctl_setset) { 2685 error = (*set)(vap, ireq); 2686 if (error != ENOSYS) 2687 return error; 2688 } 2689 return EINVAL; 2690 } 2691 2692 static int 2693 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2694 { 2695 struct ieee80211com *ic = vap->iv_ic; 2696 int error; 2697 const struct ieee80211_authenticator *auth; 2698 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2699 char tmpssid[IEEE80211_NWID_LEN]; 2700 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2701 struct ieee80211_key *k; 2702 u_int kid; 2703 uint32_t flags; 2704 2705 error = 0; 2706 switch (ireq->i_type) { 2707 case IEEE80211_IOC_SSID: 2708 if (ireq->i_val != 0 || 2709 ireq->i_len > IEEE80211_NWID_LEN) 2710 return EINVAL; 2711 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2712 if (error) 2713 break; 2714 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2715 vap->iv_des_ssid[0].len = ireq->i_len; 2716 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2717 vap->iv_des_nssid = (ireq->i_len > 0); 2718 error = ENETRESET; 2719 break; 2720 case IEEE80211_IOC_WEP: 2721 switch (ireq->i_val) { 2722 case IEEE80211_WEP_OFF: 2723 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2724 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2725 break; 2726 case IEEE80211_WEP_ON: 2727 vap->iv_flags |= IEEE80211_F_PRIVACY; 2728 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2729 break; 2730 case IEEE80211_WEP_MIXED: 2731 vap->iv_flags |= IEEE80211_F_PRIVACY; 2732 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2733 break; 2734 } 2735 error = ENETRESET; 2736 break; 2737 case IEEE80211_IOC_WEPKEY: 2738 kid = (u_int) ireq->i_val; 2739 if (kid >= IEEE80211_WEP_NKID) 2740 return EINVAL; 2741 k = &vap->iv_nw_keys[kid]; 2742 if (ireq->i_len == 0) { 2743 /* zero-len =>'s delete any existing key */ 2744 (void) ieee80211_crypto_delkey(vap, k); 2745 break; 2746 } 2747 if (ireq->i_len > sizeof(tmpkey)) 2748 return EINVAL; 2749 memset(tmpkey, 0, sizeof(tmpkey)); 2750 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2751 if (error) 2752 break; 2753 ieee80211_key_update_begin(vap); 2754 k->wk_keyix = kid; /* NB: force fixed key id */ 2755 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2756 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2757 k->wk_keylen = ireq->i_len; 2758 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2759 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2760 if (!ieee80211_crypto_setkey(vap, k)) 2761 error = EINVAL; 2762 } else 2763 error = EINVAL; 2764 ieee80211_key_update_end(vap); 2765 break; 2766 case IEEE80211_IOC_WEPTXKEY: 2767 kid = (u_int) ireq->i_val; 2768 if (kid >= IEEE80211_WEP_NKID && 2769 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2770 return EINVAL; 2771 /* 2772 * Firmware devices may need to be told about an explicit 2773 * key index here, versus just inferring it from the 2774 * key set / change. Since we may also need to pause 2775 * things like transmit before the key is updated, 2776 * give the driver a chance to flush things by tying 2777 * into key update begin/end. 2778 */ 2779 ieee80211_key_update_begin(vap); 2780 ieee80211_crypto_set_deftxkey(vap, kid); 2781 ieee80211_key_update_end(vap); 2782 break; 2783 case IEEE80211_IOC_AUTHMODE: 2784 switch (ireq->i_val) { 2785 case IEEE80211_AUTH_WPA: 2786 case IEEE80211_AUTH_8021X: /* 802.1x */ 2787 case IEEE80211_AUTH_OPEN: /* open */ 2788 case IEEE80211_AUTH_SHARED: /* shared-key */ 2789 case IEEE80211_AUTH_AUTO: /* auto */ 2790 auth = ieee80211_authenticator_get(ireq->i_val); 2791 if (auth == NULL) 2792 return EINVAL; 2793 break; 2794 default: 2795 return EINVAL; 2796 } 2797 switch (ireq->i_val) { 2798 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2799 vap->iv_flags |= IEEE80211_F_PRIVACY; 2800 ireq->i_val = IEEE80211_AUTH_8021X; 2801 break; 2802 case IEEE80211_AUTH_OPEN: /* open */ 2803 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2804 break; 2805 case IEEE80211_AUTH_SHARED: /* shared-key */ 2806 case IEEE80211_AUTH_8021X: /* 802.1x */ 2807 vap->iv_flags &= ~IEEE80211_F_WPA; 2808 /* both require a key so mark the PRIVACY capability */ 2809 vap->iv_flags |= IEEE80211_F_PRIVACY; 2810 break; 2811 case IEEE80211_AUTH_AUTO: /* auto */ 2812 vap->iv_flags &= ~IEEE80211_F_WPA; 2813 /* XXX PRIVACY handling? */ 2814 /* XXX what's the right way to do this? */ 2815 break; 2816 } 2817 /* NB: authenticator attach/detach happens on state change */ 2818 vap->iv_bss->ni_authmode = ireq->i_val; 2819 /* XXX mixed/mode/usage? */ 2820 vap->iv_auth = auth; 2821 error = ENETRESET; 2822 break; 2823 case IEEE80211_IOC_CHANNEL: 2824 error = ieee80211_ioctl_setchannel(vap, ireq); 2825 break; 2826 case IEEE80211_IOC_POWERSAVE: 2827 switch (ireq->i_val) { 2828 case IEEE80211_POWERSAVE_OFF: 2829 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2830 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2831 error = ERESTART; 2832 } 2833 break; 2834 case IEEE80211_POWERSAVE_ON: 2835 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2836 error = EOPNOTSUPP; 2837 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2838 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2839 error = ERESTART; 2840 } 2841 break; 2842 default: 2843 error = EINVAL; 2844 break; 2845 } 2846 break; 2847 case IEEE80211_IOC_POWERSAVESLEEP: 2848 if (ireq->i_val < 0) 2849 return EINVAL; 2850 ic->ic_lintval = ireq->i_val; 2851 error = ERESTART; 2852 break; 2853 case IEEE80211_IOC_RTSTHRESHOLD: 2854 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2855 ireq->i_val <= IEEE80211_RTS_MAX)) 2856 return EINVAL; 2857 vap->iv_rtsthreshold = ireq->i_val; 2858 error = ERESTART; 2859 break; 2860 case IEEE80211_IOC_PROTMODE: 2861 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2862 return EINVAL; 2863 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val; 2864 /* NB: if not operating in 11g this can wait */ 2865 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2866 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2867 error = ERESTART; 2868 break; 2869 case IEEE80211_IOC_TXPOWER: 2870 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2871 return EOPNOTSUPP; 2872 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2873 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2874 return EINVAL; 2875 ic->ic_txpowlimit = ireq->i_val; 2876 error = ERESTART; 2877 break; 2878 case IEEE80211_IOC_ROAMING: 2879 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2880 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2881 return EINVAL; 2882 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2883 /* XXXX reset? */ 2884 break; 2885 case IEEE80211_IOC_PRIVACY: 2886 if (ireq->i_val) { 2887 /* XXX check for key state? */ 2888 vap->iv_flags |= IEEE80211_F_PRIVACY; 2889 } else 2890 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2891 /* XXX ERESTART? */ 2892 break; 2893 case IEEE80211_IOC_DROPUNENCRYPTED: 2894 if (ireq->i_val) 2895 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2896 else 2897 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2898 /* XXX ERESTART? */ 2899 break; 2900 case IEEE80211_IOC_WPAKEY: 2901 error = ieee80211_ioctl_setkey(vap, ireq); 2902 break; 2903 case IEEE80211_IOC_DELKEY: 2904 error = ieee80211_ioctl_delkey(vap, ireq); 2905 break; 2906 case IEEE80211_IOC_MLME: 2907 error = ieee80211_ioctl_setmlme(vap, ireq); 2908 break; 2909 case IEEE80211_IOC_COUNTERMEASURES: 2910 if (ireq->i_val) { 2911 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2912 return EOPNOTSUPP; 2913 vap->iv_flags |= IEEE80211_F_COUNTERM; 2914 } else 2915 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2916 /* XXX ERESTART? */ 2917 break; 2918 case IEEE80211_IOC_WPA: 2919 if (ireq->i_val > 3) 2920 return EINVAL; 2921 /* XXX verify ciphers available */ 2922 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2923 switch (ireq->i_val) { 2924 case 0: 2925 /* wpa_supplicant calls this to clear the WPA config */ 2926 break; 2927 case 1: 2928 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2929 return EOPNOTSUPP; 2930 flags |= IEEE80211_F_WPA1; 2931 break; 2932 case 2: 2933 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2934 return EOPNOTSUPP; 2935 flags |= IEEE80211_F_WPA2; 2936 break; 2937 case 3: 2938 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2939 return EOPNOTSUPP; 2940 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2941 break; 2942 default: /* Can't set any -> error */ 2943 return EOPNOTSUPP; 2944 } 2945 vap->iv_flags = flags; 2946 error = ERESTART; /* NB: can change beacon frame */ 2947 break; 2948 case IEEE80211_IOC_WME: 2949 if (ireq->i_val) { 2950 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2951 return EOPNOTSUPP; 2952 ieee80211_syncflag(vap, IEEE80211_F_WME); 2953 } else 2954 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2955 error = ERESTART; /* NB: can change beacon frame */ 2956 break; 2957 case IEEE80211_IOC_HIDESSID: 2958 if (ireq->i_val) 2959 vap->iv_flags |= IEEE80211_F_HIDESSID; 2960 else 2961 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2962 error = ERESTART; /* XXX ENETRESET? */ 2963 break; 2964 case IEEE80211_IOC_APBRIDGE: 2965 if (ireq->i_val == 0) 2966 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2967 else 2968 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2969 break; 2970 case IEEE80211_IOC_BSSID: 2971 if (ireq->i_len != sizeof(tmpbssid)) 2972 return EINVAL; 2973 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2974 if (error) 2975 break; 2976 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2977 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2978 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2979 else 2980 vap->iv_flags |= IEEE80211_F_DESBSSID; 2981 error = ENETRESET; 2982 break; 2983 case IEEE80211_IOC_CHANLIST: 2984 error = ieee80211_ioctl_setchanlist(vap, ireq); 2985 break; 2986 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2987 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2988 case OLD_IEEE80211_IOC_SCAN_REQ: 2989 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2990 "%s: active scan request\n", __func__); 2991 /* 2992 * If we are in INIT state then the driver has never 2993 * had a chance to setup hardware state to do a scan; 2994 * use the state machine to get us up the SCAN state. 2995 * Otherwise just invoke the scan machinery to start 2996 * a one-time scan. 2997 */ 2998 if (vap->iv_state == IEEE80211_S_INIT) 2999 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 3000 else 3001 (void) ieee80211_start_scan(vap, 3002 IEEE80211_SCAN_ACTIVE | 3003 IEEE80211_SCAN_NOPICK | 3004 IEEE80211_SCAN_ONCE, 3005 IEEE80211_SCAN_FOREVER, 0, 0, 3006 /* XXX use ioctl params */ 3007 vap->iv_des_nssid, vap->iv_des_ssid); 3008 break; 3009 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 3010 case IEEE80211_IOC_SCAN_REQ: 3011 error = ieee80211_ioctl_scanreq(vap, ireq); 3012 break; 3013 case IEEE80211_IOC_SCAN_CANCEL: 3014 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 3015 "%s: cancel scan\n", __func__); 3016 ieee80211_cancel_scan(vap); 3017 break; 3018 case IEEE80211_IOC_HTCONF: 3019 if (ireq->i_val & 1) 3020 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 3021 else 3022 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 3023 if (ireq->i_val & 2) 3024 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 3025 else 3026 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 3027 error = ENETRESET; 3028 break; 3029 case IEEE80211_IOC_ADDMAC: 3030 case IEEE80211_IOC_DELMAC: 3031 error = ieee80211_ioctl_macmac(vap, ireq); 3032 break; 3033 case IEEE80211_IOC_MACCMD: 3034 error = ieee80211_ioctl_setmaccmd(vap, ireq); 3035 break; 3036 case IEEE80211_IOC_STA_STATS: 3037 error = ieee80211_ioctl_setstastats(vap, ireq); 3038 break; 3039 case IEEE80211_IOC_STA_TXPOW: 3040 error = ieee80211_ioctl_setstatxpow(vap, ireq); 3041 break; 3042 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 3043 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 3044 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 3045 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 3046 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 3047 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only) */ 3048 error = ieee80211_ioctl_setwmeparam(vap, ireq); 3049 break; 3050 case IEEE80211_IOC_DTIM_PERIOD: 3051 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3052 vap->iv_opmode != IEEE80211_M_MBSS && 3053 vap->iv_opmode != IEEE80211_M_IBSS) 3054 return EINVAL; 3055 if (IEEE80211_DTIM_MIN <= ireq->i_val && 3056 ireq->i_val <= IEEE80211_DTIM_MAX) { 3057 vap->iv_dtim_period = ireq->i_val; 3058 error = ENETRESET; /* requires restart */ 3059 } else 3060 error = EINVAL; 3061 break; 3062 case IEEE80211_IOC_BEACON_INTERVAL: 3063 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3064 vap->iv_opmode != IEEE80211_M_MBSS && 3065 vap->iv_opmode != IEEE80211_M_IBSS) 3066 return EINVAL; 3067 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 3068 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 3069 ic->ic_bintval = ireq->i_val; 3070 error = ENETRESET; /* requires restart */ 3071 } else 3072 error = EINVAL; 3073 break; 3074 case IEEE80211_IOC_PUREG: 3075 if (ireq->i_val) 3076 vap->iv_flags |= IEEE80211_F_PUREG; 3077 else 3078 vap->iv_flags &= ~IEEE80211_F_PUREG; 3079 /* NB: reset only if we're operating on an 11g channel */ 3080 if (isvap11g(vap)) 3081 error = ENETRESET; 3082 break; 3083 case IEEE80211_IOC_QUIET: 3084 vap->iv_quiet= ireq->i_val; 3085 break; 3086 case IEEE80211_IOC_QUIET_COUNT: 3087 vap->iv_quiet_count=ireq->i_val; 3088 break; 3089 case IEEE80211_IOC_QUIET_PERIOD: 3090 vap->iv_quiet_period=ireq->i_val; 3091 break; 3092 case IEEE80211_IOC_QUIET_OFFSET: 3093 vap->iv_quiet_offset=ireq->i_val; 3094 break; 3095 case IEEE80211_IOC_QUIET_DUR: 3096 if(ireq->i_val < vap->iv_bss->ni_intval) 3097 vap->iv_quiet_duration = ireq->i_val; 3098 else 3099 error = EINVAL; 3100 break; 3101 case IEEE80211_IOC_BGSCAN: 3102 if (ireq->i_val) { 3103 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3104 return EOPNOTSUPP; 3105 vap->iv_flags |= IEEE80211_F_BGSCAN; 3106 } else 3107 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3108 break; 3109 case IEEE80211_IOC_BGSCAN_IDLE: 3110 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3111 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3112 else 3113 error = EINVAL; 3114 break; 3115 case IEEE80211_IOC_BGSCAN_INTERVAL: 3116 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3117 vap->iv_bgscanintvl = ireq->i_val*hz; 3118 else 3119 error = EINVAL; 3120 break; 3121 case IEEE80211_IOC_SCANVALID: 3122 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3123 vap->iv_scanvalid = ireq->i_val*hz; 3124 else 3125 error = EINVAL; 3126 break; 3127 case IEEE80211_IOC_FRAGTHRESHOLD: 3128 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3129 ireq->i_val != IEEE80211_FRAG_MAX) 3130 return EOPNOTSUPP; 3131 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3132 ireq->i_val <= IEEE80211_FRAG_MAX)) 3133 return EINVAL; 3134 vap->iv_fragthreshold = ireq->i_val; 3135 error = ERESTART; 3136 break; 3137 case IEEE80211_IOC_BURST: 3138 if (ireq->i_val) { 3139 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3140 return EOPNOTSUPP; 3141 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3142 } else 3143 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3144 error = ERESTART; 3145 break; 3146 case IEEE80211_IOC_BMISSTHRESHOLD: 3147 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3148 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3149 return EINVAL; 3150 vap->iv_bmissthreshold = ireq->i_val; 3151 error = ERESTART; 3152 break; 3153 case IEEE80211_IOC_CURCHAN: 3154 error = ieee80211_ioctl_setcurchan(vap, ireq); 3155 break; 3156 case IEEE80211_IOC_SHORTGI: 3157 if (ireq->i_val) { 3158 #define IEEE80211_HTCAP_SHORTGI \ 3159 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3160 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3161 return EINVAL; 3162 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3163 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3164 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3165 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3166 #undef IEEE80211_HTCAP_SHORTGI 3167 } else 3168 vap->iv_flags_ht &= 3169 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3170 error = ERESTART; 3171 break; 3172 case IEEE80211_IOC_AMPDU: 3173 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3174 return EINVAL; 3175 if (ireq->i_val & 1) 3176 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3177 else 3178 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3179 if (ireq->i_val & 2) 3180 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3181 else 3182 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3183 /* NB: reset only if we're operating on an 11n channel */ 3184 if (isvapht(vap)) 3185 error = ERESTART; 3186 break; 3187 case IEEE80211_IOC_AMPDU_LIMIT: 3188 /* XXX TODO: figure out ampdu_limit versus ampdu_rxmax */ 3189 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3190 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3191 return EINVAL; 3192 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3193 vap->iv_ampdu_rxmax = ireq->i_val; 3194 else 3195 vap->iv_ampdu_limit = ireq->i_val; 3196 error = ERESTART; 3197 break; 3198 case IEEE80211_IOC_AMPDU_DENSITY: 3199 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3200 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3201 return EINVAL; 3202 vap->iv_ampdu_density = ireq->i_val; 3203 error = ERESTART; 3204 break; 3205 case IEEE80211_IOC_AMSDU: 3206 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3207 return EINVAL; 3208 if (ireq->i_val & 1) 3209 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3210 else 3211 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3212 if (ireq->i_val & 2) 3213 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3214 else 3215 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3216 /* NB: reset only if we're operating on an 11n channel */ 3217 if (isvapht(vap)) 3218 error = ERESTART; 3219 break; 3220 case IEEE80211_IOC_AMSDU_LIMIT: 3221 /* XXX validate */ 3222 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3223 break; 3224 case IEEE80211_IOC_PUREN: 3225 if (ireq->i_val) { 3226 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3227 return EINVAL; 3228 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3229 } else 3230 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3231 /* NB: reset only if we're operating on an 11n channel */ 3232 if (isvapht(vap)) 3233 error = ERESTART; 3234 break; 3235 case IEEE80211_IOC_DOTH: 3236 if (ireq->i_val) { 3237 #if 0 3238 /* XXX no capability */ 3239 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3240 return EOPNOTSUPP; 3241 #endif 3242 vap->iv_flags |= IEEE80211_F_DOTH; 3243 } else 3244 vap->iv_flags &= ~IEEE80211_F_DOTH; 3245 error = ENETRESET; 3246 break; 3247 case IEEE80211_IOC_REGDOMAIN: 3248 error = ieee80211_ioctl_setregdomain(vap, ireq); 3249 break; 3250 case IEEE80211_IOC_ROAM: 3251 error = ieee80211_ioctl_setroam(vap, ireq); 3252 break; 3253 case IEEE80211_IOC_TXPARAMS: 3254 error = ieee80211_ioctl_settxparams(vap, ireq); 3255 break; 3256 case IEEE80211_IOC_HTCOMPAT: 3257 if (ireq->i_val) { 3258 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3259 return EOPNOTSUPP; 3260 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3261 } else 3262 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 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_DWDS: 3268 if (ireq->i_val) { 3269 /* NB: DWDS only makes sense for WDS-capable devices */ 3270 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3271 return EOPNOTSUPP; 3272 /* NB: DWDS is used only with ap+sta vaps */ 3273 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3274 vap->iv_opmode != IEEE80211_M_STA) 3275 return EINVAL; 3276 vap->iv_flags |= IEEE80211_F_DWDS; 3277 if (vap->iv_opmode == IEEE80211_M_STA) 3278 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3279 } else { 3280 vap->iv_flags &= ~IEEE80211_F_DWDS; 3281 if (vap->iv_opmode == IEEE80211_M_STA) 3282 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3283 } 3284 break; 3285 case IEEE80211_IOC_INACTIVITY: 3286 if (ireq->i_val) 3287 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3288 else 3289 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3290 break; 3291 case IEEE80211_IOC_APPIE: 3292 error = ieee80211_ioctl_setappie(vap, ireq); 3293 break; 3294 case IEEE80211_IOC_WPS: 3295 if (ireq->i_val) { 3296 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3297 return EOPNOTSUPP; 3298 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3299 } else 3300 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3301 break; 3302 case IEEE80211_IOC_TSN: 3303 if (ireq->i_val) { 3304 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3305 return EOPNOTSUPP; 3306 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3307 } else 3308 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3309 break; 3310 case IEEE80211_IOC_CHANSWITCH: 3311 error = ieee80211_ioctl_chanswitch(vap, ireq); 3312 break; 3313 case IEEE80211_IOC_DFS: 3314 if (ireq->i_val) { 3315 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3316 return EOPNOTSUPP; 3317 /* NB: DFS requires 11h support */ 3318 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3319 return EINVAL; 3320 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3321 } else 3322 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3323 break; 3324 case IEEE80211_IOC_DOTD: 3325 if (ireq->i_val) 3326 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3327 else 3328 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3329 if (vap->iv_opmode == IEEE80211_M_STA) 3330 error = ENETRESET; 3331 break; 3332 case IEEE80211_IOC_HTPROTMODE: 3333 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3334 return EINVAL; 3335 ic->ic_htprotmode = ireq->i_val ? 3336 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3337 /* NB: if not operating in 11n this can wait */ 3338 if (isvapht(vap)) 3339 error = ERESTART; 3340 break; 3341 case IEEE80211_IOC_STA_VLAN: 3342 error = ieee80211_ioctl_setstavlan(vap, ireq); 3343 break; 3344 case IEEE80211_IOC_SMPS: 3345 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3346 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3347 return EINVAL; 3348 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3349 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3350 return EOPNOTSUPP; 3351 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3352 ireq->i_val; 3353 /* NB: if not operating in 11n this can wait */ 3354 if (isvapht(vap)) 3355 error = ERESTART; 3356 break; 3357 case IEEE80211_IOC_RIFS: 3358 if (ireq->i_val != 0) { 3359 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3360 return EOPNOTSUPP; 3361 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3362 } else 3363 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3364 /* NB: if not operating in 11n this can wait */ 3365 if (isvapht(vap)) 3366 error = ERESTART; 3367 break; 3368 case IEEE80211_IOC_STBC: 3369 /* Check if we can do STBC TX/RX before changing the setting */ 3370 if ((ireq->i_val & 1) && 3371 ((vap->iv_htcaps & IEEE80211_HTCAP_TXSTBC) == 0)) 3372 return EOPNOTSUPP; 3373 if ((ireq->i_val & 2) && 3374 ((vap->iv_htcaps & IEEE80211_HTCAP_RXSTBC) == 0)) 3375 return EOPNOTSUPP; 3376 3377 /* TX */ 3378 if (ireq->i_val & 1) 3379 vap->iv_flags_ht |= IEEE80211_FHT_STBC_TX; 3380 else 3381 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_TX; 3382 3383 /* RX */ 3384 if (ireq->i_val & 2) 3385 vap->iv_flags_ht |= IEEE80211_FHT_STBC_RX; 3386 else 3387 vap->iv_flags_ht &= ~IEEE80211_FHT_STBC_RX; 3388 3389 /* NB: reset only if we're operating on an 11n channel */ 3390 if (isvapht(vap)) 3391 error = ERESTART; 3392 break; 3393 case IEEE80211_IOC_LDPC: 3394 /* Check if we can do LDPC TX/RX before changing the setting */ 3395 if ((ireq->i_val & 1) && 3396 (vap->iv_htcaps & IEEE80211_HTC_TXLDPC) == 0) 3397 return EOPNOTSUPP; 3398 if ((ireq->i_val & 2) && 3399 (vap->iv_htcaps & IEEE80211_HTCAP_LDPC) == 0) 3400 return EOPNOTSUPP; 3401 3402 /* TX */ 3403 if (ireq->i_val & 1) 3404 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_TX; 3405 else 3406 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_TX; 3407 3408 /* RX */ 3409 if (ireq->i_val & 2) 3410 vap->iv_flags_ht |= IEEE80211_FHT_LDPC_RX; 3411 else 3412 vap->iv_flags_ht &= ~IEEE80211_FHT_LDPC_RX; 3413 3414 /* NB: reset only if we're operating on an 11n channel */ 3415 if (isvapht(vap)) 3416 error = ERESTART; 3417 break; 3418 3419 /* VHT */ 3420 case IEEE80211_IOC_VHTCONF: 3421 if (ireq->i_val & 1) 3422 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_VHT); 3423 else 3424 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_VHT); 3425 3426 if (ireq->i_val & 2) 3427 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT40); 3428 else 3429 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT40); 3430 3431 if (ireq->i_val & 4) 3432 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80); 3433 else 3434 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80); 3435 3436 if (ireq->i_val & 8) 3437 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT80P80); 3438 else 3439 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT80P80); 3440 3441 if (ireq->i_val & 16) 3442 ieee80211_syncflag_vht(vap, IEEE80211_FVHT_USEVHT160); 3443 else 3444 ieee80211_syncflag_vht(vap, -IEEE80211_FVHT_USEVHT160); 3445 3446 error = ENETRESET; 3447 break; 3448 3449 default: 3450 error = ieee80211_ioctl_setdefault(vap, ireq); 3451 break; 3452 } 3453 /* 3454 * The convention is that ENETRESET means an operation 3455 * requires a complete re-initialization of the device (e.g. 3456 * changing something that affects the association state). 3457 * ERESTART means the request may be handled with only a 3458 * reload of the hardware state. We hand ERESTART requests 3459 * to the iv_reset callback so the driver can decide. If 3460 * a device does not fillin iv_reset then it defaults to one 3461 * that returns ENETRESET. Otherwise a driver may return 3462 * ENETRESET (in which case a full reset will be done) or 3463 * 0 to mean there's no need to do anything (e.g. when the 3464 * change has no effect on the driver/device). 3465 */ 3466 if (error == ERESTART) 3467 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3468 vap->iv_reset(vap, ireq->i_type) : 0; 3469 if (error == ENETRESET) { 3470 /* XXX need to re-think AUTO handling */ 3471 if (IS_UP_AUTO(vap)) 3472 ieee80211_init(vap); 3473 error = 0; 3474 } 3475 return error; 3476 } 3477 3478 int 3479 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3480 { 3481 struct ieee80211vap *vap = ifp->if_softc; 3482 struct ieee80211com *ic = vap->iv_ic; 3483 int error = 0, wait = 0; 3484 struct ifreq *ifr; 3485 struct ifaddr *ifa; /* XXX */ 3486 3487 switch (cmd) { 3488 case SIOCSIFFLAGS: 3489 IEEE80211_LOCK(ic); 3490 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_PROMISC) { 3491 /* 3492 * Enable promiscuous mode when: 3493 * 1. Interface is not a member of bridge, or 3494 * 2. Requested by user, or 3495 * 3. In monitor (or adhoc-demo) mode. 3496 */ 3497 if (ifp->if_bridge == NULL || 3498 (ifp->if_flags & IFF_PPROMISC) != 0 || 3499 vap->iv_opmode == IEEE80211_M_MONITOR || 3500 (vap->iv_opmode == IEEE80211_M_AHDEMO && 3501 (vap->iv_caps & IEEE80211_C_TDMA) == 0)) { 3502 ieee80211_promisc(vap, 3503 ifp->if_flags & IFF_PROMISC); 3504 vap->iv_ifflags ^= IFF_PROMISC; 3505 } 3506 } 3507 if ((ifp->if_flags ^ vap->iv_ifflags) & IFF_ALLMULTI) { 3508 ieee80211_allmulti(vap, ifp->if_flags & IFF_ALLMULTI); 3509 vap->iv_ifflags ^= IFF_ALLMULTI; 3510 } 3511 if (ifp->if_flags & IFF_UP) { 3512 /* 3513 * Bring ourself up unless we're already operational. 3514 * If we're the first vap and the parent is not up 3515 * then it will automatically be brought up as a 3516 * side-effect of bringing ourself up. 3517 */ 3518 if (vap->iv_state == IEEE80211_S_INIT) { 3519 if (ic->ic_nrunning == 0) 3520 wait = 1; 3521 ieee80211_start_locked(vap); 3522 } 3523 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3524 /* 3525 * Stop ourself. If we are the last vap to be 3526 * marked down the parent will also be taken down. 3527 */ 3528 if (ic->ic_nrunning == 1) 3529 wait = 1; 3530 ieee80211_stop_locked(vap); 3531 } 3532 IEEE80211_UNLOCK(ic); 3533 /* Wait for parent ioctl handler if it was queued */ 3534 if (wait) { 3535 ieee80211_waitfor_parent(ic); 3536 3537 /* 3538 * Check if the MAC address was changed 3539 * via SIOCSIFLLADDR ioctl. 3540 */ 3541 if_addr_rlock(ifp); 3542 if ((ifp->if_flags & IFF_UP) == 0 && 3543 !IEEE80211_ADDR_EQ(vap->iv_myaddr, IF_LLADDR(ifp))) 3544 IEEE80211_ADDR_COPY(vap->iv_myaddr, 3545 IF_LLADDR(ifp)); 3546 if_addr_runlock(ifp); 3547 } 3548 break; 3549 case SIOCADDMULTI: 3550 case SIOCDELMULTI: 3551 ieee80211_runtask(ic, &ic->ic_mcast_task); 3552 break; 3553 case SIOCSIFMEDIA: 3554 case SIOCGIFMEDIA: 3555 ifr = (struct ifreq *)data; 3556 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3557 break; 3558 case SIOCG80211: 3559 error = ieee80211_ioctl_get80211(vap, cmd, 3560 (struct ieee80211req *) data); 3561 break; 3562 case SIOCS80211: 3563 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3564 if (error == 0) 3565 error = ieee80211_ioctl_set80211(vap, cmd, 3566 (struct ieee80211req *) data); 3567 break; 3568 case SIOCG80211STATS: 3569 ifr = (struct ifreq *)data; 3570 copyout(&vap->iv_stats, ifr_data_get_ptr(ifr), 3571 sizeof (vap->iv_stats)); 3572 break; 3573 case SIOCSIFMTU: 3574 ifr = (struct ifreq *)data; 3575 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3576 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3577 error = EINVAL; 3578 else 3579 ifp->if_mtu = ifr->ifr_mtu; 3580 break; 3581 case SIOCSIFADDR: 3582 /* 3583 * XXX Handle this directly so we can suppress if_init calls. 3584 * XXX This should be done in ether_ioctl but for the moment 3585 * XXX there are too many other parts of the system that 3586 * XXX set IFF_UP and so suppress if_init being called when 3587 * XXX it should be. 3588 */ 3589 ifa = (struct ifaddr *) data; 3590 switch (ifa->ifa_addr->sa_family) { 3591 #ifdef INET 3592 case AF_INET: 3593 if ((ifp->if_flags & IFF_UP) == 0) { 3594 ifp->if_flags |= IFF_UP; 3595 ifp->if_init(ifp->if_softc); 3596 } 3597 arp_ifinit(ifp, ifa); 3598 break; 3599 #endif 3600 default: 3601 if ((ifp->if_flags & IFF_UP) == 0) { 3602 ifp->if_flags |= IFF_UP; 3603 ifp->if_init(ifp->if_softc); 3604 } 3605 break; 3606 } 3607 break; 3608 default: 3609 /* 3610 * Pass unknown ioctls first to the driver, and if it 3611 * returns ENOTTY, then to the generic Ethernet handler. 3612 */ 3613 if (ic->ic_ioctl != NULL && 3614 (error = ic->ic_ioctl(ic, cmd, data)) != ENOTTY) 3615 break; 3616 error = ether_ioctl(ifp, cmd, data); 3617 break; 3618 } 3619 return (error); 3620 }
Cache object: 387e9e8f754d9f20b2b34a01aeb81b20
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